[Merge] lp:~phablet-team/media-hub/oxide-support into lp:media-hub
Jim Hodapp
jim.hodapp at canonical.com
Wed Oct 22 20:59:36 UTC 2014
Review: Needs Fixing code
Looks good - four inline comments to look at.
Diff comments:
> === modified file 'CMakeLists.txt'
> --- CMakeLists.txt 2014-10-14 16:21:47 +0000
> +++ CMakeLists.txt 2014-10-21 20:16:18 +0000
> @@ -26,6 +26,7 @@
> pkg_check_modules(DBUS_CPP dbus-cpp REQUIRED)
> pkg_check_modules(PROCESS_CPP process-cpp REQUIRED)
> pkg_check_modules(PROPERTIES_CPP properties-cpp REQUIRED)
> +pkg_check_modules(PROCESS_CPP process-cpp REQUIRED)
> pkg_check_modules(GIO gio-2.0 REQUIRED)
> pkg_check_modules(HYBRIS_MEDIA libmedia REQUIRED)
>
>
> === modified file 'include/core/media/player.h'
> --- include/core/media/player.h 2014-09-08 10:16:38 +0000
> +++ include/core/media/player.h 2014-10-21 20:16:18 +0000
> @@ -42,6 +42,7 @@
> typedef double Volume;
> typedef uint32_t PlayerKey;
> typedef void* GLConsumerWrapperHybris;
> + typedef std::map<std::string, std::string> HeadersType;
>
> /** Used to set a callback function to be called when a frame is ready to be rendered **/
> typedef void (*FrameAvailableCbHybris)(GLConsumerWrapperHybris wrapper, void *context);
> @@ -86,6 +87,12 @@
> phone
> };
>
> + enum Lifetime
> + {
> + normal,
> + resumable,
> + };
> +
> Player(const Player&) = delete;
> virtual ~Player();
>
> @@ -96,6 +103,7 @@
> virtual PlayerKey key() const = 0;
>
> virtual bool open_uri(const Track::UriType& uri) = 0;
> + virtual bool open_uri(const Track::UriType& uri, const HeadersType&) = 0;
> virtual void create_video_sink(uint32_t texture_id) = 0;
> virtual GLConsumerWrapperHybris gl_consumer() const = 0;
> virtual void next() = 0;
> @@ -127,12 +135,14 @@
> virtual const core::Property<int64_t>& position() const = 0;
> virtual const core::Property<int64_t>& duration() const = 0;
> virtual const core::Property<AudioStreamRole>& audio_stream_role() const = 0;
> + virtual const core::Property<Lifetime>& lifetime() const = 0;
>
> virtual core::Property<LoopStatus>& loop_status() = 0;
> virtual core::Property<PlaybackRate>& playback_rate() = 0;
> virtual core::Property<bool>& is_shuffle() = 0;
> virtual core::Property<Volume>& volume() = 0;
> virtual core::Property<AudioStreamRole>& audio_stream_role() = 0;
> + virtual core::Property<Lifetime>& lifetime() = 0;
>
> virtual const core::Signal<int64_t>& seeked_to() const = 0;
> virtual const core::Signal<void>& end_of_stream() const = 0;
>
> === modified file 'include/core/media/service.h'
> --- include/core/media/service.h 2014-04-23 19:00:55 +0000
> +++ include/core/media/service.h 2014-10-21 20:16:18 +0000
> @@ -43,6 +43,8 @@
> bool operator==(const Service&) const = delete;
>
> virtual std::shared_ptr<Player> create_session(const Player::Configuration&) = 0;
> + virtual std::shared_ptr<Player> create_fixed_session(const std::string& name, const Player::Configuration&) = 0;
> + virtual std::shared_ptr<Player> resume_session(Player::PlayerKey) = 0;
> virtual void pause_other_sessions(Player::PlayerKey) = 0;
>
> protected:
>
> === modified file 'src/core/media/codec.h'
> --- src/core/media/codec.h 2014-08-29 14:03:42 +0000
> +++ src/core/media/codec.h 2014-10-21 20:16:18 +0000
> @@ -190,6 +190,46 @@
> }
> };
>
> +namespace helper
> +{
> +template<>
> +struct TypeMapper<core::ubuntu::media::Player::Lifetime>
> +{
> + constexpr static ArgumentType type_value()
> + {
> + return core::dbus::ArgumentType::int16;
> + }
> + constexpr static bool is_basic_type()
> + {
> + return false;
> + }
> + constexpr static bool requires_signature()
> + {
> + return false;
> + }
> +
> + static std::string signature()
> + {
> + static const std::string s = TypeMapper<std::int16_t>::signature();
> + return s;
> + }
> +};
> +}
> +
> +template<>
> +struct Codec<core::ubuntu::media::Player::Lifetime>
> +{
> + static void encode_argument(core::dbus::Message::Writer& out, const core::ubuntu::media::Player::Lifetime& in)
> + {
> + out.push_int16(static_cast<std::int16_t>(in));
> + }
> +
> + static void decode_argument(core::dbus::Message::Reader& out, core::ubuntu::media::Player::Lifetime& in)
> + {
> + in = static_cast<core::ubuntu::media::Player::Lifetime>(out.pop_int16());
> + }
> +};
> +
> }
> }
>
>
> === modified file 'src/core/media/engine.h'
> --- src/core/media/engine.h 2014-09-08 10:16:38 +0000
> +++ src/core/media/engine.h 2014-10-21 20:16:18 +0000
> @@ -76,6 +76,7 @@
> virtual const core::Property<State>& state() const = 0;
>
> virtual bool open_resource_for_uri(const Track::UriType& uri) = 0;
> + virtual bool open_resource_for_uri(const core::ubuntu::media::Track::UriType& uri, const Player::HeadersType&) = 0;
> virtual void create_video_sink(uint32_t texture_id) = 0;
>
> virtual bool play() = 0;
> @@ -95,6 +96,9 @@
> virtual const core::Property<core::ubuntu::media::Player::AudioStreamRole>& audio_stream_role() const = 0;
> virtual core::Property<core::ubuntu::media::Player::AudioStreamRole>& audio_stream_role() = 0;
>
> + virtual const core::Property<core::ubuntu::media::Player::Lifetime>& lifetime() const = 0;
> + virtual core::Property<core::ubuntu::media::Player::Lifetime>& lifetime() = 0;
> +
> virtual const core::Property<std::tuple<Track::UriType, Track::MetaData>>& track_meta_data() const = 0;
>
> virtual const core::Signal<void>& about_to_finish_signal() const = 0;
>
> === modified file 'src/core/media/gstreamer/engine.cpp'
> --- src/core/media/gstreamer/engine.cpp 2014-10-08 00:09:21 +0000
> +++ src/core/media/gstreamer/engine.cpp 2014-10-21 20:16:18 +0000
> @@ -72,6 +72,11 @@
> playbin.set_audio_stream_role(new_audio_role);
> }
>
> + void on_lifetime_changed(const media::Player::Lifetime& lifetime)
> + {
> + playbin.set_lifetime(lifetime);
> + }
> +
> void on_about_to_finish()
> {
> state = Engine::State::ready;
> @@ -127,6 +132,12 @@
> &Private::on_audio_stream_role_changed,
> this,
> std::placeholders::_1))),
> + on_lifetime_changed_connection(
> + lifetime.changed().connect(
> + std::bind(
> + &Private::on_lifetime_changed,
> + this,
> + std::placeholders::_1))),
> on_seeked_to_connection(
> playbin.signals.on_seeked_to.connect(
> std::bind(
> @@ -157,6 +168,7 @@
> core::Property<uint64_t> duration;
> core::Property<media::Engine::Volume> volume;
> core::Property<media::Player::AudioStreamRole> audio_role;
> + core::Property<media::Player::Lifetime> lifetime;
> core::Property<bool> is_video_source;
> core::Property<bool> is_audio_source;
>
> @@ -165,6 +177,7 @@
> core::ScopedConnection on_tag_available_connection;
> core::ScopedConnection on_volume_changed_connection;
> core::ScopedConnection on_audio_stream_role_changed_connection;
> + core::ScopedConnection on_lifetime_changed_connection;
> core::ScopedConnection on_seeked_to_connection;
> core::ScopedConnection client_disconnected_connection;
> core::ScopedConnection on_end_of_stream_connection;
> @@ -203,6 +216,12 @@
> return true;
> }
>
> +bool gstreamer::Engine::open_resource_for_uri(const media::Track::UriType& uri, const core::ubuntu::media::Player::HeadersType& headers)
> +{
> + d->playbin.set_uri(uri, headers);
> + return true;
> +}
> +
> void gstreamer::Engine::create_video_sink(uint32_t texture_id)
> {
> d->playbin.create_video_sink(texture_id);
> @@ -308,11 +327,21 @@
> return d->audio_role;
> }
>
> +const core::Property<core::ubuntu::media::Player::Lifetime>& gstreamer::Engine::lifetime() const
> +{
> + return d->lifetime;
> +}
> +
> core::Property<core::ubuntu::media::Player::AudioStreamRole>& gstreamer::Engine::audio_stream_role()
> {
> return d->audio_role;
> }
>
> +core::Property<core::ubuntu::media::Player::Lifetime>& gstreamer::Engine::lifetime()
> +{
> + return d->lifetime;
> +}
> +
> const core::Property<std::tuple<media::Track::UriType, media::Track::MetaData>>&
> gstreamer::Engine::track_meta_data() const
> {
>
> === modified file 'src/core/media/gstreamer/engine.h'
> --- src/core/media/gstreamer/engine.h 2014-08-29 14:03:42 +0000
> +++ src/core/media/gstreamer/engine.h 2014-10-21 20:16:18 +0000
> @@ -34,6 +34,7 @@
> const core::Property<State>& state() const;
>
> bool open_resource_for_uri(const core::ubuntu::media::Track::UriType& uri);
> + bool open_resource_for_uri(const core::ubuntu::media::Track::UriType& uri, const core::ubuntu::media::Player::HeadersType& headers);
> void create_video_sink(uint32_t texture_id);
>
> bool play();
> @@ -53,6 +54,9 @@
> const core::Property<core::ubuntu::media::Player::AudioStreamRole>& audio_stream_role() const;
> core::Property<core::ubuntu::media::Player::AudioStreamRole>& audio_stream_role();
>
> + const core::Property<core::ubuntu::media::Player::Lifetime>& lifetime() const;
> + core::Property<core::ubuntu::media::Player::Lifetime>& lifetime();
> +
> const core::Property<std::tuple<core::ubuntu::media::Track::UriType, core::ubuntu::media::Track::MetaData>>& track_meta_data() const;
>
> const core::Signal<void>& about_to_finish_signal() const;
>
> === modified file 'src/core/media/gstreamer/playbin.h'
> --- src/core/media/gstreamer/playbin.h 2014-10-10 16:03:24 +0000
> +++ src/core/media/gstreamer/playbin.h 2014-10-21 20:16:18 +0000
> @@ -64,6 +64,13 @@
> thiz->signals.about_to_finish();
> }
>
> + static void source_setup(GstElement*,
> + GstElement *source,
> + gpointer user_data)
> + {
> + static_cast<Playbin*>(user_data)->setup_source(source);
I'd like to see a check to make sure that user_data is not a nullptr before using it.
> + }
> +
> Playbin()
> : pipeline(gst_element_factory_make("playbin", pipeline_name().c_str())),
> bus{gst_element_get_bus(pipeline)},
Initialize player_lifetime with the Playbin class constructor.
> @@ -90,6 +97,13 @@
> this
> );
>
> + g_signal_connect(
> + pipeline,
> + "source-setup",
> + G_CALLBACK(source_setup),
> + this
> + );
> +
> // When a client of media-hub dies, call on_client_died
> decoding_service_set_client_death_cb(&Playbin::on_client_died_cb, static_cast<void*>(this));
> }
> @@ -115,7 +129,12 @@
> // When the client dies, tear down the current pipeline and get it
> // in a state that is ready for the next client that connects to the
> // service
> - reset_pipeline();
> +
> + // Don't reset the pipeline if we want to resume
> + if (player_lifetime != media::Player::Lifetime::resumable) {
> + reset_pipeline();
> + }
> +
> // Signal to the Player class that the client side has disconnected
> signals.client_disconnected();
> }
> @@ -287,6 +306,11 @@
> gst_structure_free (props);
> }
>
> + void set_lifetime(media::Player::Lifetime lifetime)
> + {
> + player_lifetime = lifetime;
> + }
> +
> uint64_t position() const
> {
> int64_t pos = 0;
> @@ -305,13 +329,40 @@
> return static_cast<uint64_t>(dur);
> }
>
> - void set_uri(const std::string& uri)
> + void set_uri(const std::string& uri,
> + const core::ubuntu::media::Player::HeadersType& headers = core::ubuntu::media::Player::HeadersType())
> {
> + reset_pipeline();
> +
> g_object_set(pipeline, "uri", uri.c_str(), NULL);
> if (is_video_file(uri))
> file_type = MEDIA_FILE_TYPE_VIDEO;
> else if (is_audio_file(uri))
> file_type = MEDIA_FILE_TYPE_AUDIO;
> +
> + request_headers = headers;
> + }
> +
> + void setup_source(GstElement *source)
> + {
> + if (source == NULL || request_headers.empty())
> + return;
> +
> + if (request_headers.find("Cookie") != request_headers.end()) {
> + if (g_object_class_find_property(G_OBJECT_GET_CLASS(source),
> + "cookies") != NULL) {
> + gchar ** cookies = g_strsplit(request_headers["Cookie"].c_str(), ";", 0);
> + g_object_set(source, "cookies", cookies, NULL);
> + g_strfreev(cookies);
> + }
> + }
> +
> + if (request_headers.find("User-Agent") != request_headers.end()) {
> + if (g_object_class_find_property(G_OBJECT_GET_CLASS(source),
> + "user-agent") != NULL) {
> + g_object_set(source, "user-agent", request_headers["User-Agent"].c_str(), NULL);
> + }
> + }
> }
>
> std::string uri() const
> @@ -447,6 +498,8 @@
> SurfaceTextureClientHybris stc_hybris;
> core::Connection on_new_message_connection;
> bool is_seeking;
> + core::ubuntu::media::Player::HeadersType request_headers;
> + media::Player::Lifetime player_lifetime;
> struct
> {
> core::Signal<void> about_to_finish;
>
> === modified file 'src/core/media/mpris/player.h'
> --- src/core/media/mpris/player.h 2014-09-10 21:05:34 +0000
> +++ src/core/media/mpris/player.h 2014-10-21 20:16:18 +0000
> @@ -116,6 +116,7 @@
> DBUS_CPP_METHOD_DEF(CreateVideoSink, Player)
> DBUS_CPP_METHOD_DEF(Key, Player)
> DBUS_CPP_METHOD_DEF(OpenUri, Player)
> + DBUS_CPP_METHOD_DEF(OpenUriExtended, Player)
>
> struct Signals
> {
> @@ -132,6 +133,7 @@
> DBUS_CPP_WRITABLE_PROPERTY_DEF(LoopStatus, Player, std::string)
> DBUS_CPP_WRITABLE_PROPERTY_DEF(TypedLoopStatus, Player, core::ubuntu::media::Player::LoopStatus)
> DBUS_CPP_WRITABLE_PROPERTY_DEF(AudioStreamRole, Player, core::ubuntu::media::Player::AudioStreamRole)
> + DBUS_CPP_WRITABLE_PROPERTY_DEF(Lifetime, Player, core::ubuntu::media::Player::Lifetime)
> DBUS_CPP_WRITABLE_PROPERTY_DEF(PlaybackRate, Player, double)
> DBUS_CPP_WRITABLE_PROPERTY_DEF(Rate, Player, double)
> DBUS_CPP_WRITABLE_PROPERTY_DEF(Shuffle, Player, bool)
> @@ -211,6 +213,7 @@
> configuration.object->template get_property<Properties::LoopStatus>(),
> configuration.object->template get_property<Properties::TypedLoopStatus>(),
> configuration.object->template get_property<Properties::AudioStreamRole>(),
> + configuration.object->template get_property<Properties::Lifetime>(),
> configuration.object->template get_property<Properties::PlaybackRate>(),
> configuration.object->template get_property<Properties::Shuffle>(),
> configuration.object->template get_property<Properties::TypedMetaData>(),
> @@ -241,6 +244,7 @@
> properties.loop_status->set(configuration.defaults.loop_status);
> properties.typed_loop_status->set(configuration.defaults.typed_loop_status);
> properties.audio_stream_role->set(core::ubuntu::media::Player::AudioStreamRole::multimedia);
> + properties.lifetime->set(core::ubuntu::media::Player::Lifetime::normal);
> properties.playback_rate->set(configuration.defaults.playback_rate);
> properties.is_shuffle->set(configuration.defaults.shuffle);
> properties.position->set(configuration.defaults.position);
> @@ -294,6 +298,7 @@
> dict[Properties::LoopStatus::name()] = dbus::types::Variant::encode(properties.loop_status->get());
> dict[Properties::TypedLoopStatus::name()] = dbus::types::Variant::encode(properties.typed_loop_status->get());
> dict[Properties::AudioStreamRole::name()] = dbus::types::Variant::encode(properties.audio_stream_role->get());
> + dict[Properties::Lifetime::name()] = dbus::types::Variant::encode(properties.lifetime->get());
> dict[Properties::PlaybackRate::name()] = dbus::types::Variant::encode(properties.playback_rate->get());
> dict[Properties::Shuffle::name()] = dbus::types::Variant::encode(properties.is_shuffle->get());
> dict[Properties::Duration::name()] = dbus::types::Variant::encode(properties.duration->get());
> @@ -323,6 +328,7 @@
> std::shared_ptr<core::dbus::Property<Properties::LoopStatus>> loop_status;
> std::shared_ptr<core::dbus::Property<Properties::TypedLoopStatus>> typed_loop_status;
> std::shared_ptr<core::dbus::Property<Properties::AudioStreamRole>> audio_stream_role;
> + std::shared_ptr<core::dbus::Property<Properties::Lifetime>> lifetime;
> std::shared_ptr<core::dbus::Property<Properties::PlaybackRate>> playback_rate;
> std::shared_ptr<core::dbus::Property<Properties::Shuffle>> is_shuffle;
> std::shared_ptr<core::dbus::Property<Properties::TypedMetaData>> typed_meta_data_for_current_track;
>
> === modified file 'src/core/media/mpris/service.h'
> --- src/core/media/mpris/service.h 2014-08-25 10:18:32 +0000
> +++ src/core/media/mpris/service.h 2014-10-21 20:16:18 +0000
> @@ -47,9 +47,35 @@
> return s;
> }
> };
> +
> + struct CreatingFixedSession
> + {
> + static const std::string& name()
> + {
> + static const std::string s
> + {
> + "core.ubuntu.media.Service.Error.CreatingFixedSession"
> + };
> + return s;
> + }
> + };
> +
> + struct ResumingSession
> + {
> + static const std::string& name()
> + {
> + static const std::string s
> + {
> + "core.ubuntu.media.Service.Error.ResumingSession"
> + };
> + return s;
> + }
> + };
> };
>
> DBUS_CPP_METHOD_WITH_TIMEOUT_DEF(CreateSession, Service, 1000)
> + DBUS_CPP_METHOD_WITH_TIMEOUT_DEF(CreateFixedSession, Service, 1000)
> + DBUS_CPP_METHOD_WITH_TIMEOUT_DEF(ResumeSession, Service, 1000)
> DBUS_CPP_METHOD_WITH_TIMEOUT_DEF(PauseOtherSessions, Service, 1000)
> };
> }
>
> === modified file 'src/core/media/player_implementation.cpp'
> --- src/core/media/player_implementation.cpp 2014-10-08 03:06:14 +0000
> +++ src/core/media/player_implementation.cpp 2014-10-21 20:16:18 +0000
> @@ -313,6 +313,8 @@
> duration().set(0);
> audio_stream_role().set(Player::AudioStreamRole::multimedia);
> d->engine->audio_stream_role().set(Player::AudioStreamRole::multimedia);
> + lifetime().set(Player::Lifetime::normal);
> + d->engine->lifetime().set(Player::Lifetime::normal);
>
> // Make sure that the Position property gets updated from the Engine
> // every time the client requests position
> @@ -349,6 +351,11 @@
> d->engine->audio_stream_role().set(new_role);
> });
>
> + lifetime().changed().connect([this](media::Player::Lifetime lifetime)
> + {
> + d->engine->lifetime().set(lifetime);
> + });
> +
> d->engine->about_to_finish_signal().connect([this]()
> {
> if (d->track_list->has_next())
> @@ -430,6 +437,11 @@
> return d->engine->open_resource_for_uri(uri);
> }
>
> +bool media::PlayerImplementation::open_uri(const Track::UriType& uri, const Player::HeadersType& headers)
> +{
> + return d->engine->open_resource_for_uri(uri, headers);
> +}
> +
> void media::PlayerImplementation::create_video_sink(uint32_t texture_id)
> {
> d->engine->create_video_sink(texture_id);
>
> === modified file 'src/core/media/player_implementation.h'
> --- src/core/media/player_implementation.h 2014-09-25 04:35:46 +0000
> +++ src/core/media/player_implementation.h 2014-10-21 20:16:18 +0000
> @@ -47,6 +47,7 @@
> virtual PlayerKey key() const;
>
> virtual bool open_uri(const Track::UriType& uri);
> + virtual bool open_uri(const Track::UriType& uri, const Player::HeadersType& headers);
> virtual void create_video_sink(uint32_t texture_id);
> virtual GLConsumerWrapperHybris gl_consumer() const;
> virtual void next();
>
> === modified file 'src/core/media/player_skeleton.cpp'
> --- src/core/media/player_skeleton.cpp 2014-10-08 00:31:41 +0000
> +++ src/core/media/player_skeleton.cpp 2014-10-21 20:16:18 +0000
> @@ -239,6 +239,23 @@
> });
> }
>
> + void handle_open_uri_extended(const core::dbus::Message::Ptr& in)
> + {
> + dbus_stub.get_connection_app_armor_security_async(in->sender(), [this, in](const std::string& profile)
> + {
> + Track::UriType uri;
> + Player::HeadersType headers;
> +
> + in->reader() >> uri >> headers;
> +
> + bool have_access = does_client_have_access(profile, uri);
> + auto reply = dbus::Message::make_method_return(in);
> + reply->writer() << (have_access ? impl->open_uri(uri, headers) : false);
> +
> + bus->send(reply);
> + });
> + }
> +
> template<typename Property>
> void on_property_value_changed(
> const typename Property::ValueType& value,
> @@ -260,6 +277,7 @@
> the_empty_list_of_invalidated_properties));
> }
>
> +
> media::PlayerSkeleton* impl;
> std::string identity;
> dbus::Bus::Ptr bus;
> @@ -344,6 +362,11 @@
> std::bind(&Private::handle_key,
> d,
> std::placeholders::_1));
> +
> + d->object->install_method_handler<mpris::Player::OpenUriExtended>(
> + std::bind(&Private::handle_open_uri_extended,
> + d,
> + std::placeholders::_1));
> }
>
> media::PlayerSkeleton::~PlayerSkeleton()
> @@ -443,6 +466,11 @@
> return *d->skeleton.properties.audio_stream_role;
> }
>
> +const core::Property<media::Player::Lifetime>& media::PlayerSkeleton::lifetime() const
> +{
> + return *d->skeleton.properties.lifetime;
> +}
> +
> const core::Property<media::Player::PlaybackRate>& media::PlayerSkeleton::minimum_playback_rate() const
> {
> return *d->skeleton.properties.minimum_playback_rate;
> @@ -488,6 +516,11 @@
> return *d->skeleton.properties.audio_stream_role;
> }
>
> +core::Property<media::Player::Lifetime>& media::PlayerSkeleton::lifetime()
> +{
> + return *d->skeleton.properties.lifetime;
> +}
> +
> core::Property<media::Player::PlaybackStatus>& media::PlayerSkeleton::playback_status()
> {
> return *d->skeleton.properties.typed_playback_status;
>
> === modified file 'src/core/media/player_skeleton.h'
> --- src/core/media/player_skeleton.h 2014-09-09 14:02:52 +0000
> +++ src/core/media/player_skeleton.h 2014-10-21 20:16:18 +0000
> @@ -62,12 +62,14 @@
> virtual const core::Property<int64_t>& position() const;
> virtual const core::Property<int64_t>& duration() const;
> virtual const core::Property<AudioStreamRole>& audio_stream_role() const;
> + virtual const core::Property<Lifetime>& lifetime() const;
>
> virtual core::Property<LoopStatus>& loop_status();
> virtual core::Property<PlaybackRate>& playback_rate();
> virtual core::Property<bool>& is_shuffle();
> virtual core::Property<Volume>& volume();
> virtual core::Property<AudioStreamRole>& audio_stream_role();
> + virtual core::Property<Lifetime>& lifetime();
>
> virtual const core::Signal<int64_t>& seeked_to() const;
> virtual const core::Signal<void>& end_of_stream() const;
>
> === modified file 'src/core/media/player_stub.cpp'
> --- src/core/media/player_stub.cpp 2014-10-16 15:30:44 +0000
> +++ src/core/media/player_stub.cpp 2014-10-21 20:16:18 +0000
> @@ -74,6 +74,7 @@
> object->get_property<mpris::Player::Properties::Position>(),
> object->get_property<mpris::Player::Properties::Duration>(),
> object->get_property<mpris::Player::Properties::AudioStreamRole>(),
> + object->get_property<mpris::Player::Properties::Lifetime>(),
> object->get_property<mpris::Player::Properties::MinimumRate>(),
> object->get_property<mpris::Player::Properties::MaximumRate>()
> },
> @@ -160,6 +161,7 @@
> std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Position>> position;
> std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Duration>> duration;
> std::shared_ptr<core::dbus::Property<mpris::Player::Properties::AudioStreamRole>> audio_role;
> + std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Lifetime>> lifetime;
> std::shared_ptr<core::dbus::Property<mpris::Player::Properties::MinimumRate>> minimum_playback_rate;
> std::shared_ptr<core::dbus::Property<mpris::Player::Properties::MaximumRate>> maximum_playback_rate;
> } properties;
> @@ -263,6 +265,13 @@
> return op.value();
> }
>
> +bool media::PlayerStub::open_uri(const Track::UriType& uri, const Player::HeadersType& headers)
> +{
> + auto op = d->object->invoke_method_synchronously<mpris::Player::OpenUriExtended, bool>(uri, headers);
> +
> + return op.value();
> +}
> +
> void media::PlayerStub::create_video_sink(uint32_t texture_id)
> {
> auto op = d->object->invoke_method_synchronously<mpris::Player::CreateVideoSink, void>(texture_id);
> @@ -416,6 +425,11 @@
> return *d->properties.audio_role;
> }
>
> +const core::Property<media::Player::Lifetime>& media::PlayerStub::lifetime() const
> +{
> + return *d->properties.lifetime;
> +}
> +
> const core::Property<media::Player::PlaybackRate>& media::PlayerStub::minimum_playback_rate() const
> {
> return *d->properties.minimum_playback_rate;
> @@ -451,6 +465,11 @@
> return *d->properties.audio_role;
> }
>
> +core::Property<media::Player::Lifetime>& media::PlayerStub::lifetime()
> +{
> + return *d->properties.lifetime;
> +}
> +
> const core::Signal<int64_t>& media::PlayerStub::seeked_to() const
> {
> return d->signals.seeked_to;
>
> === modified file 'src/core/media/player_stub.h'
> --- src/core/media/player_stub.h 2014-10-16 15:30:44 +0000
> +++ src/core/media/player_stub.h 2014-10-21 20:16:18 +0000
> @@ -46,6 +46,7 @@
> virtual PlayerKey key() const;
>
> virtual bool open_uri(const Track::UriType& uri);
> + virtual bool open_uri(const Track::UriType& uri, const Player::HeadersType& headers);
> virtual void create_video_sink(uint32_t texture_id);
> virtual GLConsumerWrapperHybris gl_consumer() const;
> virtual void next();
> @@ -76,12 +77,14 @@
> virtual const core::Property<int64_t>& position() const;
> virtual const core::Property<int64_t>& duration() const;
> virtual const core::Property<AudioStreamRole>& audio_stream_role() const;
> + virtual const core::Property<Lifetime>& lifetime() const;
>
> virtual core::Property<LoopStatus>& loop_status();
> virtual core::Property<PlaybackRate>& playback_rate();
> virtual core::Property<bool>& is_shuffle();
> virtual core::Property<Volume>& volume();
> virtual core::Property<AudioStreamRole>& audio_stream_role();
> + virtual core::Property<Lifetime>& lifetime();
>
> virtual const core::Signal<int64_t>& seeked_to() const;
> virtual const core::Signal<void>& end_of_stream() const;
>
> === modified file 'src/core/media/service_implementation.cpp'
> --- src/core/media/service_implementation.cpp 2014-10-15 14:20:03 +0000
> +++ src/core/media/service_implementation.cpp 2014-10-21 20:16:18 +0000
> @@ -170,13 +170,29 @@
> // until all dispatches are done
> d->io_service.post([this, key]()
> {
> - remove_player_for_key(key);
> + if (!has_player_for_key(key))
> + return;
> +
> + if (player_for_key(key)->lifetime() == Player::Lifetime::normal)
> + remove_player_for_key(key);
> });
> });
>
> return player;
> }
>
> +std::shared_ptr<media::Player> media::ServiceImplementation::create_fixed_session(const std::string&, const media::Player::Configuration&)
> +{
> + // no impl
> + return std::shared_ptr<media::Player>();
> +}
> +
> +std::shared_ptr<media::Player> media::ServiceImplementation::resume_session(media::Player::PlayerKey)
> +{
> + // no impl
> + return std::shared_ptr<media::Player>();
> +}
> +
> void media::ServiceImplementation::pause_other_sessions(media::Player::PlayerKey key)
> {
> if (not has_player_for_key(key))
>
> === modified file 'src/core/media/service_implementation.h'
> --- src/core/media/service_implementation.h 2014-09-09 14:48:51 +0000
> +++ src/core/media/service_implementation.h 2014-10-21 20:16:18 +0000
> @@ -37,7 +37,8 @@
> ~ServiceImplementation ();
>
> std::shared_ptr<Player> create_session(const Player::Configuration&);
> -
> + std::shared_ptr<Player> create_fixed_session(const std::string& name, const Player::Configuration&);
> + std::shared_ptr<Player> resume_session(Player::PlayerKey key);
> void pause_other_sessions(Player::PlayerKey key);
>
> private:
>
> === modified file 'src/core/media/service_skeleton.cpp'
> --- src/core/media/service_skeleton.cpp 2014-10-14 16:21:47 +0000
> +++ src/core/media/service_skeleton.cpp 2014-10-21 20:16:18 +0000
> @@ -62,6 +62,16 @@
> &Private::handle_create_session,
> this,
> std::placeholders::_1));
> + object->install_method_handler<mpris::Service::CreateFixedSession>(
> + std::bind(
> + &Private::handle_create_fixed_session,
> + this,
> + std::placeholders::_1));
> + object->install_method_handler<mpris::Service::ResumeSession>(
> + std::bind(
> + &Private::handle_resume_session,
> + this,
> + std::placeholders::_1));
> object->install_method_handler<mpris::Service::PauseOtherSessions>(
> std::bind(
> &Private::handle_pause_other_sessions,
> @@ -69,15 +79,24 @@
> std::placeholders::_1));
> }
>
> - void handle_create_session(const core::dbus::Message::Ptr& msg)
> + std::pair<std::string, media::Player::PlayerKey> create_session_info()
> {
> static unsigned int session_counter = 0;
>
> + unsigned int current_session = session_counter++;
> +
> std::stringstream ss;
> - ss << "/core/ubuntu/media/Service/sessions/" << session_counter++;
> -
> - dbus::types::ObjectPath op{ss.str()};
> - media::Player::PlayerKey key{session_counter};
> + ss << "/core/ubuntu/media/Service/sessions/" << current_session;
> +
> + return std::make_pair(ss.str(), media::Player::PlayerKey(current_session));
> + }
> +
> + void handle_create_session(const core::dbus::Message::Ptr& msg)
> + {
> + auto session_info = create_session_info();
> +
> + dbus::types::ObjectPath op{session_info.first};
> + media::Player::PlayerKey key{session_info.second};
>
> dbus_stub.get_connection_app_armor_security_async(msg->sender(), [this, msg, op, key](const std::string& profile)
> {
> @@ -100,6 +119,116 @@
> if (!inserted)
> throw std::runtime_error("Problem persisting session in session store.");
>
> +
> + auto reply = dbus::Message::make_method_return(msg);
> + reply->writer() << op;
> +
> + impl->access_bus()->send(reply);
> + } catch(const std::runtime_error& e)
> + {
> + auto reply = dbus::Message::make_error(
> + msg,
> + mpris::Service::Errors::CreatingSession::name(),
> + e.what());
> + impl->access_bus()->send(reply);
> + }
> + });
> + }
> +
> + void handle_create_fixed_session(const core::dbus::Message::Ptr& msg)
> + {
> + dbus_stub.get_connection_app_armor_security_async(msg->sender(), [this, msg](const std::string& profile)
> + {
> + try
> + {
> + std::string name;
> + msg->reader() >> name;
> +
> + if (fixed_session_store.count(name) == 0) {
> + // Create new session
> + auto session_info = create_session_info();
> +
> + dbus::types::ObjectPath op{session_info.first};
> + media::Player::PlayerKey key{session_info.second};
> +
> + media::Player::Configuration config
> + {
> + profile,
> + key,
> + impl->access_bus(),
> + impl->access_service()->add_object_for_path(op)
> + };
> +
> + auto session = impl->create_session(config);
> +
> + bool inserted = false;
> + std::tie(std::ignore, inserted)
> + = session_store.insert(std::make_pair(key, session));
> +
> + if (!inserted)
> + throw std::runtime_error("Problem persisting session in session store.");
> +
> + fixed_session_store.insert(std::make_pair(name, key));
> +
> + auto reply = dbus::Message::make_method_return(msg);
> + reply->writer() << op;
> +
> + impl->access_bus()->send(reply);
> + }
> + else {
> + // Resume previous session
> + auto key = fixed_session_store[name];
> + if (session_store.count(key) == 0) {
> + auto reply = dbus::Message::make_error(
> + msg,
> + mpris::Service::Errors::CreatingFixedSession::name(),
> + "Unable to locate player session");
> + impl->access_bus()->send(reply);
> + return;
> + }
> +
> + std::stringstream ss;
> + ss << "/core/ubuntu/media/Service/sessions/" << key;
> + dbus::types::ObjectPath op{ss.str()};
> +
> + auto reply = dbus::Message::make_method_return(msg);
> + reply->writer() << op;
> +
> + impl->access_bus()->send(reply);
> + }
> + } catch(const std::runtime_error& e)
> + {
> + auto reply = dbus::Message::make_error(
> + msg,
> + mpris::Service::Errors::CreatingSession::name(),
> + e.what());
> + impl->access_bus()->send(reply);
> + }
> + });
> + }
> +
> + void handle_resume_session(const core::dbus::Message::Ptr& msg)
> + {
> + dbus_stub.get_connection_app_armor_security_async(msg->sender(), [this, msg](const std::string&)
> + {
> + try
> + {
> + Player::PlayerKey key;
> + msg->reader() >> key;
> +
> + if (session_store.count(key) == 0) {
> + auto reply = dbus::Message::make_error(
> + msg,
> + mpris::Service::Errors::ResumingSession::name(),
> + "Unable to locate player session");
> + impl->access_bus()->send(reply);
> + return;
> + }
> +
> + std::stringstream ss;
> + ss << "/core/ubuntu/media/Service/sessions/" << key;
> + dbus::types::ObjectPath op{ss.str()};
> +
> auto reply = dbus::Message::make_method_return(msg);
> reply->writer() << op;
>
> @@ -133,6 +262,7 @@
> org::freedesktop::dbus::DBus::Stub dbus_stub;
> // We track all running player instances.
> std::map<media::Player::PlayerKey, std::shared_ptr<media::Player>> session_store;
> + std::map<std::string, media::Player::PlayerKey> fixed_session_store;
> // We expose the entire service as an MPRIS player.
> struct Exported
> {
> @@ -444,6 +574,13 @@
>
> d->session_store.erase(key);
> d->exported.unset_if_current(player);
> + // All non-durable fixed sessions are also removed
> + for (auto it: d->fixed_session_store) {
> + if (it.second == key) {
> + d->fixed_session_store.erase(it.first);
> + break;
> + }
> + }
> }
>
> void media::ServiceSkeleton::run()
>
> === modified file 'src/core/media/service_stub.cpp'
> --- src/core/media/service_stub.cpp 2014-10-16 15:30:44 +0000
> +++ src/core/media/service_stub.cpp 2014-10-21 20:16:18 +0000
> @@ -70,6 +70,36 @@
> });
> }
>
> +std::shared_ptr<media::Player> media::ServiceStub::create_fixed_session(const std::string& name, const media::Player::Configuration&)
> +{
> + auto op = d->object->invoke_method_synchronously<mpris::Service::CreateFixedSession,
> + dbus::types::ObjectPath>(name);
> +
> + if (op.is_error())
> + throw std::runtime_error("Problem creating session: " + op.error());
> +
> + return std::shared_ptr<media::Player>(new media::PlayerStub
> + {
> + shared_from_this(),
> + access_service()->object_for_path(op.value())
> + });
> +}
> +
> +std::shared_ptr<media::Player> media::ServiceStub::resume_session(media::Player::PlayerKey key)
> +{
> + auto op = d->object->invoke_method_synchronously<mpris::Service::ResumeSession,
> + dbus::types::ObjectPath>(key);
> +
> + if (op.is_error())
> + throw std::runtime_error("Problem resuming session: " + op.error());
> +
> + return std::shared_ptr<media::Player>(new media::PlayerStub
> + {
> + shared_from_this(),
> + access_service()->object_for_path(op.value())
> + });
> +}
> +
> void media::ServiceStub::pause_other_sessions(media::Player::PlayerKey key)
> {
> std::cout << __PRETTY_FUNCTION__ << std::endl;
>
> === modified file 'src/core/media/service_stub.h'
> --- src/core/media/service_stub.h 2014-10-16 15:30:44 +0000
> +++ src/core/media/service_stub.h 2014-10-21 20:16:18 +0000
> @@ -40,6 +40,8 @@
> ~ServiceStub();
>
> std::shared_ptr<Player> create_session(const Player::Configuration&);
> + std::shared_ptr<Player> create_fixed_session(const std::string& name, const Player::Configuration&);
> + std::shared_ptr<Player> resume_session(Player::PlayerKey key);
> void pause_other_sessions(Player::PlayerKey key);
>
> private:
>
> === modified file 'tests/acceptance-tests/service.cpp'
> --- tests/acceptance-tests/service.cpp 2014-04-04 14:31:43 +0000
> +++ tests/acceptance-tests/service.cpp 2014-10-21 20:16:18 +0000
> @@ -107,6 +107,84 @@
> core::testing::fork_and_run(service, client));
> }
>
> +TEST(MusicService, DISABLED_accessing_and_creating_a_fixed_session_works)
Any specific reason why this test is disabled?
> +{
> + core::testing::CrossProcessSync sync_service_start;
> +
> + auto service = [this, &sync_service_start]()
> + {
> + SigTermCatcher sc;
> +
> + auto service = std::make_shared<media::ServiceImplementation>();
> + std::thread t([&service](){service->run();});
> +
> + sync_service_start.try_signal_ready_for(std::chrono::milliseconds{500});
> +
> + sc.wait_for_signal(); service->stop();
> +
> + if (t.joinable())
> + t.join();
> +
> + return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
> + };
> +
> + auto client = [this, &sync_service_start]()
> + {
> + sync_service_start.wait_for_signal_ready_for(std::chrono::milliseconds{500});
> +
> + auto service = media::Service::Client::instance();
> + auto session = service->create_fixed_session("com.ubuntu.test-session", media::Player::Client::default_configuration());
> +
> + EXPECT_TRUE(session != nullptr);
> +
> + return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
> + };
> +
> + EXPECT_EQ(core::testing::ForkAndRunResult::empty,
> + core::testing::fork_and_run(service, client));
> +}
> +
> +TEST(MusicService, DISABLED_resuming_a_session_works)
Same as previous comment
> +{
> + core::testing::CrossProcessSync sync_service_start;
> +
> + auto service = [this, &sync_service_start]()
> + {
> + SigTermCatcher sc;
> +
> + auto service = std::make_shared<media::ServiceImplementation>();
> + std::thread t([&service](){service->run();});
> +
> + sync_service_start.try_signal_ready_for(std::chrono::milliseconds{500});
> +
> + sc.wait_for_signal(); service->stop();
> +
> + if (t.joinable())
> + t.join();
> +
> + return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
> + };
> +
> + auto client = [this, &sync_service_start]()
> + {
> + sync_service_start.wait_for_signal_ready_for(std::chrono::milliseconds{500});
> +
> + auto service = media::Service::Client::instance();
> + auto session = service->create_session(media::Player::Client::default_configuration());
> +
> + EXPECT_TRUE(session != nullptr);
> +
> + auto resumed_session = service->resume_session(session->key());
> +
> + EXPECT_TRUE(resumed_session != nullptr);
> +
> + return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
> + };
> +
> + EXPECT_EQ(core::testing::ForkAndRunResult::empty,
> + core::testing::fork_and_run(service, client));
> +}
> +
> TEST(MusicService, DISABLED_remotely_querying_track_meta_data_works)
> {
> const std::string test_file{"/tmp/test.ogg"};
>
> === modified file 'tests/unit-tests/CMakeLists.txt'
> --- tests/unit-tests/CMakeLists.txt 2014-10-14 16:21:47 +0000
> +++ tests/unit-tests/CMakeLists.txt 2014-10-21 20:16:18 +0000
> @@ -4,6 +4,11 @@
> ${PC_GSTREAMER_1_0_INCLUDE_DIRS}
> )
>
> +add_library(mongoose mongoose.c)
> +set_target_properties(
> + mongoose
> + PROPERTIES COMPILE_FLAGS "-std=c99")
> +
> add_executable(
> test-gstreamer-engine
>
> @@ -35,10 +40,13 @@
> ${PC_GSTREAMER_1_0_LIBRARIES}
> ${PROCESS_CPP_LDFLAGS}
> ${GIO_LIBRARIES}
> + ${PROCESS_CPP_LIBRARIES}
>
> gmock
> gmock_main
> gtest
> +
> + mongoose
> )
>
> add_test(test-gstreamer-engine ${CMAKE_CURRENT_BINARY_DIR}/test-gstreamer-engine)
>
> === added file 'tests/unit-tests/mongoose.c'
> --- tests/unit-tests/mongoose.c 1970-01-01 00:00:00 +0000
> +++ tests/unit-tests/mongoose.c 2014-10-21 20:16:18 +0000
> @@ -0,0 +1,5253 @@
> +// Copyright (c) 2004-2013 Sergey Lyubka <valenok at gmail.com>
> +// Copyright (c) 2013-2014 Cesanta Software Limited
> +// All rights reserved
> +//
> +// This library is dual-licensed: you can redistribute it and/or modify
> +// it under the terms of the GNU General Public License version 2 as
> +// published by the Free Software Foundation. For the terms of this
> +// license, see <http://www.gnu.org/licenses/>.
> +//
> +// You are free to use this library under the terms of the GNU General
> +// Public License, but WITHOUT ANY WARRANTY; without even the implied
> +// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> +// See the GNU General Public License for more details.
> +//
> +// Alternatively, you can license this library under a commercial
> +// license, as set out in <http://cesanta.com/>.
> +//
> +// $Date: 2014-09-16 06:47:40 UTC $
> +
> +#ifdef NOEMBED_NET_SKELETON
> +#include "net_skeleton.h"
> +#else
> +// net_skeleton start
> +// Copyright (c) 2014 Cesanta Software Limited
> +// All rights reserved
> +//
> +// This software is dual-licensed: you can redistribute it and/or modify
> +// it under the terms of the GNU General Public License version 2 as
> +// published by the Free Software Foundation. For the terms of this
> +// license, see <http://www.gnu.org/licenses/>.
> +//
> +// You are free to use this software under the terms of the GNU General
> +// Public License, but WITHOUT ANY WARRANTY; without even the implied
> +// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> +// See the GNU General Public License for more details.
> +//
> +// Alternatively, you can license this software under a commercial
> +// license, as set out in <http://cesanta.com/>.
> +//
> +// $Date: 2014-09-28 05:04:41 UTC $
> +
> +#ifndef NS_SKELETON_HEADER_INCLUDED
> +#define NS_SKELETON_HEADER_INCLUDED
> +
> +#define NS_SKELETON_VERSION "2.1.0"
> +
> +#undef UNICODE // Use ANSI WinAPI functions
> +#undef _UNICODE // Use multibyte encoding on Windows
> +#define _MBCS // Use multibyte encoding on Windows
> +#define _INTEGRAL_MAX_BITS 64 // Enable _stati64() on Windows
> +#define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005+
> +#undef WIN32_LEAN_AND_MEAN // Let windows.h always include winsock2.h
> +#define _XOPEN_SOURCE 600 // For flockfile() on Linux
> +#define __STDC_FORMAT_MACROS // <inttypes.h> wants this for C++
> +#define __STDC_LIMIT_MACROS // C++ wants that for INT64_MAX
> +#ifndef _LARGEFILE_SOURCE
> +#define _LARGEFILE_SOURCE // Enable fseeko() and ftello() functions
> +#endif
> +#define _FILE_OFFSET_BITS 64 // Enable 64-bit file offsets
> +
> +#ifdef _MSC_VER
> +#pragma warning (disable : 4127) // FD_SET() emits warning, disable it
> +#pragma warning (disable : 4204) // missing c99 support
> +#endif
> +
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <assert.h>
> +#include <ctype.h>
> +#include <errno.h>
> +#include <fcntl.h>
> +#include <stdarg.h>
> +#include <stddef.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <string.h>
> +#include <time.h>
> +#include <signal.h>
> +
> +#ifdef _WIN32
> +#ifdef _MSC_VER
> +#pragma comment(lib, "ws2_32.lib") // Linking with winsock library
> +#endif
> +#include <windows.h>
> +#include <process.h>
> +#ifndef EINPROGRESS
> +#define EINPROGRESS WSAEINPROGRESS
> +#endif
> +#ifndef EWOULDBLOCK
> +#define EWOULDBLOCK WSAEWOULDBLOCK
> +#endif
> +#ifndef __func__
> +#define STRX(x) #x
> +#define STR(x) STRX(x)
> +#define __func__ __FILE__ ":" STR(__LINE__)
> +#endif
> +#ifndef va_copy
> +#define va_copy(x,y) x = y
> +#endif // MINGW #defines va_copy
> +#define snprintf _snprintf
> +#define vsnprintf _vsnprintf
> +#define sleep(x) Sleep((x) * 1000)
> +#define to64(x) _atoi64(x)
> +typedef int socklen_t;
> +typedef unsigned char uint8_t;
> +typedef unsigned int uint32_t;
> +typedef unsigned short uint16_t;
> +typedef unsigned __int64 uint64_t;
> +typedef __int64 int64_t;
> +typedef SOCKET sock_t;
> +typedef struct _stati64 ns_stat_t;
> +#ifndef S_ISDIR
> +#define S_ISDIR(x) ((x) & _S_IFDIR)
> +#endif
> +#else
> +#include <errno.h>
> +#include <fcntl.h>
> +#include <netdb.h>
> +#include <pthread.h>
> +#include <stdarg.h>
> +#include <unistd.h>
> +#include <arpa/inet.h> // For inet_pton() when NS_ENABLE_IPV6 is defined
> +#include <netinet/in.h>
> +#include <sys/socket.h>
> +#include <sys/select.h>
> +#define closesocket(x) close(x)
> +#define __cdecl
> +#define INVALID_SOCKET (-1)
> +#define to64(x) strtoll(x, NULL, 10)
> +typedef int sock_t;
> +typedef struct stat ns_stat_t;
> +#endif
> +
> +#ifdef NS_ENABLE_DEBUG
> +#define DBG(x) do { printf("%-20s ", __func__); printf x; putchar('\n'); \
> + fflush(stdout); } while(0)
> +#else
> +#define DBG(x)
> +#endif
> +
> +#ifndef ARRAY_SIZE
> +#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
> +#endif
> +
> +#ifdef NS_ENABLE_SSL
> +#ifdef __APPLE__
> +#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
> +#endif
> +#include <openssl/ssl.h>
> +#else
> +typedef void *SSL;
> +typedef void *SSL_CTX;
> +#endif
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif // __cplusplus
> +
> +union socket_address {
> + struct sockaddr sa;
> + struct sockaddr_in sin;
> +#ifdef NS_ENABLE_IPV6
> + struct sockaddr_in6 sin6;
> +#else
> + struct sockaddr sin6;
> +#endif
> +};
> +
> +// Describes chunk of memory
> +struct ns_str {
> + const char *p;
> + size_t len;
> +};
> +
> +// IO buffers interface
> +struct iobuf {
> + char *buf;
> + size_t len;
> + size_t size;
> +};
> +
> +void iobuf_init(struct iobuf *, size_t initial_size);
> +void iobuf_free(struct iobuf *);
> +size_t iobuf_append(struct iobuf *, const void *data, size_t data_size);
> +void iobuf_remove(struct iobuf *, size_t data_size);
> +void iobuf_resize(struct iobuf *, size_t new_size);
> +
> +// Callback function (event handler) prototype, must be defined by user.
> +// Net skeleton will call event handler, passing events defined above.
> +struct ns_connection;
> +typedef void (*ns_callback_t)(struct ns_connection *, int event_num, void *evp);
> +
> +// Events. Meaning of event parameter (evp) is given in the comment.
> +#define NS_POLL 0 // Sent to each connection on each call to ns_mgr_poll()
> +#define NS_ACCEPT 1 // New connection accept()-ed. union socket_address *addr
> +#define NS_CONNECT 2 // connect() succeeded or failed. int *success_status
> +#define NS_RECV 3 // Data has benn received. int *num_bytes
> +#define NS_SEND 4 // Data has been written to a socket. int *num_bytes
> +#define NS_CLOSE 5 // Connection is closed. NULL
> +
> +
> +struct ns_mgr {
> + struct ns_connection *active_connections;
> + const char *hexdump_file; // Debug hexdump file path
> + sock_t ctl[2]; // Socketpair for mg_wakeup()
> + void *user_data; // User data
> +};
> +
> +
> +struct ns_connection {
> + struct ns_connection *next, *prev; // ns_mgr::active_connections linkage
> + struct ns_connection *listener; // Set only for accept()-ed connections
> + struct ns_mgr *mgr;
> +
> + sock_t sock; // Socket
> + union socket_address sa; // Peer address
> + struct iobuf recv_iobuf; // Received data
> + struct iobuf send_iobuf; // Data scheduled for sending
> + SSL *ssl;
> + SSL_CTX *ssl_ctx;
> + void *user_data; // User-specific data
> + void *proto_data; // Application protocol-specific data
> + time_t last_io_time; // Timestamp of the last socket IO
> + ns_callback_t callback; // Event handler function
> +
> + unsigned int flags;
> +#define NSF_FINISHED_SENDING_DATA (1 << 0)
> +#define NSF_BUFFER_BUT_DONT_SEND (1 << 1)
> +#define NSF_SSL_HANDSHAKE_DONE (1 << 2)
> +#define NSF_CONNECTING (1 << 3)
> +#define NSF_CLOSE_IMMEDIATELY (1 << 4)
> +#define NSF_WANT_READ (1 << 5)
> +#define NSF_WANT_WRITE (1 << 6)
> +#define NSF_LISTENING (1 << 7)
> +#define NSF_UDP (1 << 8)
> +
> +#define NSF_USER_1 (1 << 20)
> +#define NSF_USER_2 (1 << 21)
> +#define NSF_USER_3 (1 << 22)
> +#define NSF_USER_4 (1 << 23)
> +#define NSF_USER_5 (1 << 24)
> +#define NSF_USER_6 (1 << 25)
> +};
> +
> +void ns_mgr_init(struct ns_mgr *, void *user_data);
> +void ns_mgr_free(struct ns_mgr *);
> +time_t ns_mgr_poll(struct ns_mgr *, int milli);
> +void ns_broadcast(struct ns_mgr *, ns_callback_t, void *, size_t);
> +
> +struct ns_connection *ns_next(struct ns_mgr *, struct ns_connection *);
> +struct ns_connection *ns_add_sock(struct ns_mgr *, sock_t,
> + ns_callback_t, void *);
> +struct ns_connection *ns_bind(struct ns_mgr *, const char *,
> + ns_callback_t, void *);
> +struct ns_connection *ns_connect(struct ns_mgr *, const char *,
> + ns_callback_t, void *);
> +
> +int ns_send(struct ns_connection *, const void *buf, int len);
> +int ns_printf(struct ns_connection *, const char *fmt, ...);
> +int ns_vprintf(struct ns_connection *, const char *fmt, va_list ap);
> +
> +// Utility functions
> +void *ns_start_thread(void *(*f)(void *), void *p);
> +int ns_socketpair(sock_t [2]);
> +int ns_socketpair2(sock_t [2], int sock_type); // SOCK_STREAM or SOCK_DGRAM
> +void ns_set_close_on_exec(sock_t);
> +void ns_sock_to_str(sock_t sock, char *buf, size_t len, int flags);
> +int ns_hexdump(const void *buf, int len, char *dst, int dst_len);
> +int ns_avprintf(char **buf, size_t size, const char *fmt, va_list ap);
> +int ns_resolve(const char *domain_name, char *ip_addr_buf, size_t buf_len);
> +
> +#ifdef __cplusplus
> +}
> +#endif // __cplusplus
> +
> +#endif // NS_SKELETON_HEADER_INCLUDED
> +// Copyright (c) 2014 Cesanta Software Limited
> +// All rights reserved
> +//
> +// This software is dual-licensed: you can redistribute it and/or modify
> +// it under the terms of the GNU General Public License version 2 as
> +// published by the Free Software Foundation. For the terms of this
> +// license, see <http://www.gnu.org/licenses/>.
> +//
> +// You are free to use this software under the terms of the GNU General
> +// Public License, but WITHOUT ANY WARRANTY; without even the implied
> +// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> +// See the GNU General Public License for more details.
> +//
> +// Alternatively, you can license this software under a commercial
> +// license, as set out in <http://cesanta.com/>.
> +//
> +// $Date: 2014-09-28 05:04:41 UTC $
> +
> +
> +#ifndef NS_MALLOC
> +#define NS_MALLOC malloc
> +#endif
> +
> +#ifndef NS_REALLOC
> +#define NS_REALLOC realloc
> +#endif
> +
> +#ifndef NS_FREE
> +#define NS_FREE free
> +#endif
> +
> +#define NS_UDP_RECEIVE_BUFFER_SIZE 2000
> +#define NS_VPRINTF_BUFFER_SIZE 500
> +
> +struct ctl_msg {
> + ns_callback_t callback;
> + char message[1024 * 8];
> +};
> +
> +void iobuf_resize(struct iobuf *io, size_t new_size) {
> + char *p;
> + if ((new_size > io->size || (new_size < io->size && new_size >= io->len)) &&
> + (p = (char *) NS_REALLOC(io->buf, new_size)) != NULL) {
> + io->size = new_size;
> + io->buf = p;
> + }
> +}
> +
> +void iobuf_init(struct iobuf *iobuf, size_t initial_size) {
> + iobuf->len = iobuf->size = 0;
> + iobuf->buf = NULL;
> + iobuf_resize(iobuf, initial_size);
> +}
> +
> +void iobuf_free(struct iobuf *iobuf) {
> + if (iobuf != NULL) {
> + if (iobuf->buf != NULL) NS_FREE(iobuf->buf);
> + iobuf_init(iobuf, 0);
> + }
> +}
> +
> +size_t iobuf_append(struct iobuf *io, const void *buf, size_t len) {
> + char *p = NULL;
> +
> + assert(io != NULL);
> + assert(io->len <= io->size);
> +
> + if (len <= 0) {
> + } else if (io->len + len <= io->size) {
> + memcpy(io->buf + io->len, buf, len);
> + io->len += len;
> + } else if ((p = (char *) NS_REALLOC(io->buf, io->len + len)) != NULL) {
> + io->buf = p;
> + memcpy(io->buf + io->len, buf, len);
> + io->len += len;
> + io->size = io->len;
> + } else {
> + len = 0;
> + }
> +
> + return len;
> +}
> +
> +void iobuf_remove(struct iobuf *io, size_t n) {
> + if (n > 0 && n <= io->len) {
> + memmove(io->buf, io->buf + n, io->len - n);
> + io->len -= n;
> + }
> +}
> +
> +static size_t ns_out(struct ns_connection *nc, const void *buf, size_t len) {
> + if (nc->flags & NSF_UDP) {
> + long n = sendto(nc->sock, buf, len, 0, &nc->sa.sa, sizeof(nc->sa.sin));
> + DBG(("%p %d send %ld (%d %s)", nc, nc->sock, n, errno, strerror(errno)));
> + return n < 0 ? 0 : n;
> + } else {
> + return iobuf_append(&nc->send_iobuf, buf, len);
> + }
> +}
> +
> +#ifndef NS_DISABLE_THREADS
> +void *ns_start_thread(void *(*f)(void *), void *p) {
> +#ifdef _WIN32
> + return (void *) _beginthread((void (__cdecl *)(void *)) f, 0, p);
> +#else
> + pthread_t thread_id = (pthread_t) 0;
> + pthread_attr_t attr;
> +
> + (void) pthread_attr_init(&attr);
> + (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
> +
> +#if defined(NS_STACK_SIZE) && NS_STACK_SIZE > 1
> + (void) pthread_attr_setstacksize(&attr, NS_STACK_SIZE);
> +#endif
> +
> + pthread_create(&thread_id, &attr, f, p);
> + pthread_attr_destroy(&attr);
> +
> + return (void *) thread_id;
> +#endif
> +}
> +#endif // NS_DISABLE_THREADS
> +
> +static void ns_add_conn(struct ns_mgr *mgr, struct ns_connection *c) {
> + c->next = mgr->active_connections;
> + mgr->active_connections = c;
> + c->prev = NULL;
> + if (c->next != NULL) c->next->prev = c;
> +}
> +
> +static void ns_remove_conn(struct ns_connection *conn) {
> + if (conn->prev == NULL) conn->mgr->active_connections = conn->next;
> + if (conn->prev) conn->prev->next = conn->next;
> + if (conn->next) conn->next->prev = conn->prev;
> +}
> +
> +// Print message to buffer. If buffer is large enough to hold the message,
> +// return buffer. If buffer is to small, allocate large enough buffer on heap,
> +// and return allocated buffer.
> +int ns_avprintf(char **buf, size_t size, const char *fmt, va_list ap) {
> + va_list ap_copy;
> + int len;
> +
> + va_copy(ap_copy, ap);
> + len = vsnprintf(*buf, size, fmt, ap_copy);
> + va_end(ap_copy);
> +
> + if (len < 0) {
> + // eCos and Windows are not standard-compliant and return -1 when
> + // the buffer is too small. Keep allocating larger buffers until we
> + // succeed or out of memory.
> + *buf = NULL;
> + while (len < 0) {
> + if (*buf) free(*buf);
> + size *= 2;
> + if ((*buf = (char *) NS_MALLOC(size)) == NULL) break;
> + va_copy(ap_copy, ap);
> + len = vsnprintf(*buf, size, fmt, ap_copy);
> + va_end(ap_copy);
> + }
> + } else if (len > (int) size) {
> + // Standard-compliant code path. Allocate a buffer that is large enough.
> + if ((*buf = (char *) NS_MALLOC(len + 1)) == NULL) {
> + len = -1;
> + } else {
> + va_copy(ap_copy, ap);
> + len = vsnprintf(*buf, len + 1, fmt, ap_copy);
> + va_end(ap_copy);
> + }
> + }
> +
> + return len;
> +}
> +
> +int ns_vprintf(struct ns_connection *nc, const char *fmt, va_list ap) {
> + char mem[NS_VPRINTF_BUFFER_SIZE], *buf = mem;
> + int len;
> +
> + if ((len = ns_avprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
> + ns_out(nc, buf, len);
> + }
> + if (buf != mem && buf != NULL) {
> + free(buf);
> + }
> +
> + return len;
> +}
> +
> +int ns_printf(struct ns_connection *conn, const char *fmt, ...) {
> + int len;
> + va_list ap;
> + va_start(ap, fmt);
> + len = ns_vprintf(conn, fmt, ap);
> + va_end(ap);
> + return len;
> +}
> +
> +static void hexdump(struct ns_connection *nc, const char *path,
> + int num_bytes, int ev) {
> + const struct iobuf *io = ev == NS_SEND ? &nc->send_iobuf : &nc->recv_iobuf;
> + FILE *fp;
> + char *buf, src[60], dst[60];
> + int buf_size = num_bytes * 5 + 100;
> +
> + if ((fp = fopen(path, "a")) != NULL) {
> + ns_sock_to_str(nc->sock, src, sizeof(src), 3);
> + ns_sock_to_str(nc->sock, dst, sizeof(dst), 7);
> + fprintf(fp, "%lu %p %s %s %s %d\n", (unsigned long) time(NULL),
> + nc->user_data, src,
> + ev == NS_RECV ? "<-" : ev == NS_SEND ? "->" :
> + ev == NS_ACCEPT ? "<A" : ev == NS_CONNECT ? "C>" : "XX",
> + dst, num_bytes);
> + if (num_bytes > 0 && (buf = (char *) NS_MALLOC(buf_size)) != NULL) {
> + ns_hexdump(io->buf + (ev == NS_SEND ? 0 : io->len) -
> + (ev == NS_SEND ? 0 : num_bytes), num_bytes, buf, buf_size);
> + fprintf(fp, "%s", buf);
> + free(buf);
> + }
> + fclose(fp);
> + }
> +}
> +
> +static void ns_call(struct ns_connection *nc, int ev, void *p) {
> + if (nc->mgr->hexdump_file != NULL && ev != NS_POLL) {
> + int len = (ev == NS_RECV || ev == NS_SEND) ? * (int *) p : 0;
> + hexdump(nc, nc->mgr->hexdump_file, len, ev);
> + }
> +
> + nc->callback(nc, ev, p);
> +}
> +
> +static void ns_destroy_conn(struct ns_connection *conn) {
> + closesocket(conn->sock);
> + iobuf_free(&conn->recv_iobuf);
> + iobuf_free(&conn->send_iobuf);
> +#ifdef NS_ENABLE_SSL
> + if (conn->ssl != NULL) {
> + SSL_free(conn->ssl);
> + }
> + if (conn->ssl_ctx != NULL) {
> + SSL_CTX_free(conn->ssl_ctx);
> + }
> +#endif
> + NS_FREE(conn);
> +}
> +
> +static void ns_close_conn(struct ns_connection *conn) {
> + DBG(("%p %d", conn, conn->flags));
> + ns_call(conn, NS_CLOSE, NULL);
> + ns_remove_conn(conn);
> + ns_destroy_conn(conn);
> +}
> +
> +void ns_set_close_on_exec(sock_t sock) {
> +#ifdef _WIN32
> + (void) SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
> +#else
> + fcntl(sock, F_SETFD, FD_CLOEXEC);
> +#endif
> +}
> +
> +static void ns_set_non_blocking_mode(sock_t sock) {
> +#ifdef _WIN32
> + unsigned long on = 1;
> + ioctlsocket(sock, FIONBIO, &on);
> +#else
> + int flags = fcntl(sock, F_GETFL, 0);
> + fcntl(sock, F_SETFL, flags | O_NONBLOCK);
> +#endif
> +}
> +
> +#ifndef NS_DISABLE_SOCKETPAIR
> +int ns_socketpair2(sock_t sp[2], int sock_type) {
> + union socket_address sa;
> + sock_t sock;
> + socklen_t len = sizeof(sa.sin);
> + int ret = 0;
> +
> + sp[0] = sp[1] = INVALID_SOCKET;
> +
> + (void) memset(&sa, 0, sizeof(sa));
> + sa.sin.sin_family = AF_INET;
> + sa.sin.sin_port = htons(0);
> + sa.sin.sin_addr.s_addr = htonl(0x7f000001);
> +
> + if ((sock = socket(AF_INET, sock_type, 0)) != INVALID_SOCKET &&
> + !bind(sock, &sa.sa, len) &&
> + (sock_type == SOCK_DGRAM || !listen(sock, 1)) &&
> + !getsockname(sock, &sa.sa, &len) &&
> + (sp[0] = socket(AF_INET, sock_type, 0)) != INVALID_SOCKET &&
> + !connect(sp[0], &sa.sa, len) &&
> + (sock_type == SOCK_STREAM ||
> + (!getsockname(sp[0], &sa.sa, &len) && !connect(sock, &sa.sa, len))) &&
> + (sp[1] = (sock_type == SOCK_DGRAM ? sock :
> + accept(sock, &sa.sa, &len))) != INVALID_SOCKET) {
> + ns_set_close_on_exec(sp[0]);
> + ns_set_close_on_exec(sp[1]);
> + ret = 1;
> + } else {
> + if (sp[0] != INVALID_SOCKET) closesocket(sp[0]);
> + if (sp[1] != INVALID_SOCKET) closesocket(sp[1]);
> + sp[0] = sp[1] = INVALID_SOCKET;
> + }
> + if (sock_type != SOCK_DGRAM) closesocket(sock);
> +
> + return ret;
> +}
> +
> +int ns_socketpair(sock_t sp[2]) {
> + return ns_socketpair2(sp, SOCK_STREAM);
> +}
> +#endif // NS_DISABLE_SOCKETPAIR
> +
> +// TODO(lsm): use non-blocking resolver
> +static int ns_resolve2(const char *host, struct in_addr *ina) {
> + struct hostent *he;
> + if ((he = gethostbyname(host)) == NULL) {
> + DBG(("gethostbyname(%s) failed: %s", host, strerror(errno)));
> + } else {
> + memcpy(ina, he->h_addr_list[0], sizeof(*ina));
> + return 1;
> + }
> + return 0;
> +}
> +
> +// Resolve FDQN "host", store IP address in the "ip".
> +// Return > 0 (IP address length) on success.
> +int ns_resolve(const char *host, char *buf, size_t n) {
> + struct in_addr ad;
> + return ns_resolve2(host, &ad) ? snprintf(buf, n, "%s", inet_ntoa(ad)) : 0;
> +}
> +
> +// Address format: [PROTO://][IP_ADDRESS:]PORT[:CERT][:CA_CERT]
> +static int ns_parse_address(const char *str, union socket_address *sa,
> + int *proto, int *use_ssl, char *cert, char *ca) {
> + unsigned int a, b, c, d, port;
> + int n = 0, len = 0;
> + char host[200];
> +#ifdef NS_ENABLE_IPV6
> + char buf[100];
> +#endif
> +
> + // MacOS needs that. If we do not zero it, subsequent bind() will fail.
> + // Also, all-zeroes in the socket address means binding to all addresses
> + // for both IPv4 and IPv6 (INADDR_ANY and IN6ADDR_ANY_INIT).
> + memset(sa, 0, sizeof(*sa));
> + sa->sin.sin_family = AF_INET;
> +
> + *proto = SOCK_STREAM;
> + *use_ssl = 0;
> + cert[0] = ca[0] = '\0';
> +
> + if (memcmp(str, "ssl://", 6) == 0) {
> + str += 6;
> + *use_ssl = 1;
> + } else if (memcmp(str, "udp://", 6) == 0) {
> + str += 6;
> + *proto = SOCK_DGRAM;
> + } else if (memcmp(str, "tcp://", 6) == 0) {
> + str += 6;
> + }
> +
> + if (sscanf(str, "%u.%u.%u.%u:%u%n", &a, &b, &c, &d, &port, &len) == 5) {
> + // Bind to a specific IPv4 address, e.g. 192.168.1.5:8080
> + sa->sin.sin_addr.s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
> + sa->sin.sin_port = htons((uint16_t) port);
> +#ifdef NS_ENABLE_IPV6
> + } else if (sscanf(str, "[%99[^]]]:%u%n", buf, &port, &len) == 2 &&
> + inet_pton(AF_INET6, buf, &sa->sin6.sin6_addr)) {
> + // IPv6 address, e.g. [3ffe:2a00:100:7031::1]:8080
> + sa->sin6.sin6_family = AF_INET6;
> + sa->sin6.sin6_port = htons((uint16_t) port);
> +#endif
> + } else if (sscanf(str, "%199[^ :]:%u%n", host, &port, &len) == 2) {
> + sa->sin.sin_port = htons((uint16_t) port);
> + ns_resolve2(host, &sa->sin.sin_addr);
> + } else if (sscanf(str, "%u%n", &port, &len) == 1) {
> + // If only port is specified, bind to IPv4, INADDR_ANY
> + sa->sin.sin_port = htons((uint16_t) port);
> + }
> +
> + if (*use_ssl && (sscanf(str + len, ":%99[^:]:%99[^:]%n", cert, ca, &n) == 2 ||
> + sscanf(str + len, ":%99[^:]%n", cert, &n) == 1)) {
> + len += n;
> + }
> +
> + return port < 0xffff && str[len] == '\0' ? len : 0;
> +}
> +
> +// 'sa' must be an initialized address to bind to
> +static sock_t ns_open_listening_socket(union socket_address *sa, int proto) {
> + socklen_t sa_len = (sa->sa.sa_family == AF_INET) ?
> + sizeof(sa->sin) : sizeof(sa->sin6);
> + sock_t sock = INVALID_SOCKET;
> +#ifndef _WIN32
> + int on = 1;
> +#endif
> +
> + if ((sock = socket(sa->sa.sa_family, proto, 0)) != INVALID_SOCKET &&
> +#ifndef _WIN32
> + // SO_RESUSEADDR is not enabled on Windows because the semantics of
> + // SO_REUSEADDR on UNIX and Windows is different. On Windows,
> + // SO_REUSEADDR allows to bind a socket to a port without error even if
> + // the port is already open by another program. This is not the behavior
> + // SO_REUSEADDR was designed for, and leads to hard-to-track failure
> + // scenarios. Therefore, SO_REUSEADDR was disabled on Windows.
> + !setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &on, sizeof(on)) &&
> +#endif
> + !bind(sock, &sa->sa, sa_len) &&
> + (proto == SOCK_DGRAM || listen(sock, SOMAXCONN) == 0)) {
> + ns_set_non_blocking_mode(sock);
> + // In case port was set to 0, get the real port number
> + (void) getsockname(sock, &sa->sa, &sa_len);
> + } else if (sock != INVALID_SOCKET) {
> + closesocket(sock);
> + sock = INVALID_SOCKET;
> + }
> +
> + return sock;
> +}
> +
> +#ifdef NS_ENABLE_SSL
> +// Certificate generation script is at
> +// https://github.com/cesanta/net_skeleton/blob/master/scripts/gen_certs.sh
> +
> +static int ns_use_ca_cert(SSL_CTX *ctx, const char *cert) {
> + if (ctx == NULL) {
> + return -1;
> + } else if (cert == NULL || cert[0] == '\0') {
> + return 0;
> + }
> + SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
> + return SSL_CTX_load_verify_locations(ctx, cert, NULL) == 1 ? 0 : -2;
> +}
> +
> +static int ns_use_cert(SSL_CTX *ctx, const char *pem_file) {
> + if (ctx == NULL) {
> + return -1;
> + } else if (pem_file == NULL || pem_file[0] == '\0') {
> + return 0;
> + } else if (SSL_CTX_use_certificate_file(ctx, pem_file, 1) == 0 ||
> + SSL_CTX_use_PrivateKey_file(ctx, pem_file, 1) == 0) {
> + return -2;
> + } else {
> + SSL_CTX_set_mode(ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
> + SSL_CTX_use_certificate_chain_file(ctx, pem_file);
> + return 0;
> + }
> +}
> +#endif // NS_ENABLE_SSL
> +
> +struct ns_connection *ns_bind(struct ns_mgr *srv, const char *str,
> + ns_callback_t callback, void *user_data) {
> + union socket_address sa;
> + struct ns_connection *nc = NULL;
> + int use_ssl, proto;
> + char cert[100], ca_cert[100];
> + sock_t sock;
> +
> + ns_parse_address(str, &sa, &proto, &use_ssl, cert, ca_cert);
> + if (use_ssl && cert[0] == '\0') return NULL;
> +
> + if ((sock = ns_open_listening_socket(&sa, proto)) == INVALID_SOCKET) {
> + } else if ((nc = ns_add_sock(srv, sock, callback, NULL)) == NULL) {
> + closesocket(sock);
> + } else {
> + nc->sa = sa;
> + nc->flags |= NSF_LISTENING;
> + nc->user_data = user_data;
> + nc->callback = callback;
> +
> + if (proto == SOCK_DGRAM) {
> + nc->flags |= NSF_UDP;
> + }
> +
> +#ifdef NS_ENABLE_SSL
> + if (use_ssl) {
> + nc->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
> + if (ns_use_cert(nc->ssl_ctx, cert) != 0 ||
> + ns_use_ca_cert(nc->ssl_ctx, ca_cert) != 0) {
> + ns_close_conn(nc);
> + nc = NULL;
> + }
> + }
> +#endif
> +
> + DBG(("%p sock %d/%d ssl %p %p", nc, sock, proto, nc->ssl_ctx, nc->ssl));
> + }
> +
> + return nc;
> +}
> +
> +static struct ns_connection *accept_conn(struct ns_connection *ls) {
> + struct ns_connection *c = NULL;
> + union socket_address sa;
> + socklen_t len = sizeof(sa);
> + sock_t sock = INVALID_SOCKET;
> +
> + // NOTE(lsm): on Windows, sock is always > FD_SETSIZE
> + if ((sock = accept(ls->sock, &sa.sa, &len)) == INVALID_SOCKET) {
> + } else if ((c = ns_add_sock(ls->mgr, sock, ls->callback,
> + ls->user_data)) == NULL) {
> + closesocket(sock);
> +#ifdef NS_ENABLE_SSL
> + } else if (ls->ssl_ctx != NULL &&
> + ((c->ssl = SSL_new(ls->ssl_ctx)) == NULL ||
> + SSL_set_fd(c->ssl, sock) != 1)) {
> + DBG(("SSL error"));
> + ns_close_conn(c);
> + c = NULL;
> +#endif
> + } else {
> + c->listener = ls;
> + c->proto_data = ls->proto_data;
> + ns_call(c, NS_ACCEPT, &sa);
> + DBG(("%p %d %p %p", c, c->sock, c->ssl_ctx, c->ssl));
> + }
> +
> + return c;
> +}
> +
> +static int ns_is_error(int n) {
> + return n == 0 ||
> + (n < 0 && errno != EINTR && errno != EINPROGRESS &&
> + errno != EAGAIN && errno != EWOULDBLOCK
> +#ifdef _WIN32
> + && WSAGetLastError() != WSAEINTR && WSAGetLastError() != WSAEWOULDBLOCK
> +#endif
> + );
> +}
> +
> +void ns_sock_to_str(sock_t sock, char *buf, size_t len, int flags) {
> + union socket_address sa;
> + socklen_t slen = sizeof(sa);
> +
> + if (buf != NULL && len > 0) {
> + buf[0] = '\0';
> + memset(&sa, 0, sizeof(sa));
> + if (flags & 4) {
> + getpeername(sock, &sa.sa, &slen);
> + } else {
> + getsockname(sock, &sa.sa, &slen);
> + }
> + if (flags & 1) {
> +#if defined(NS_ENABLE_IPV6)
> + inet_ntop(sa.sa.sa_family, sa.sa.sa_family == AF_INET ?
> + (void *) &sa.sin.sin_addr :
> + (void *) &sa.sin6.sin6_addr, buf, len);
> +#elif defined(_WIN32)
> + // Only Windoze Vista (and newer) have inet_ntop()
> + strncpy(buf, inet_ntoa(sa.sin.sin_addr), len);
> +#else
> + inet_ntop(sa.sa.sa_family, (void *) &sa.sin.sin_addr, buf,(socklen_t)len);
> +#endif
> + }
> + if (flags & 2) {
> + snprintf(buf + strlen(buf), len - (strlen(buf) + 1), "%s%d",
> + flags & 1 ? ":" : "", (int) ntohs(sa.sin.sin_port));
> + }
> + }
> +}
> +
> +int ns_hexdump(const void *buf, int len, char *dst, int dst_len) {
> + const unsigned char *p = (const unsigned char *) buf;
> + char ascii[17] = "";
> + int i, idx, n = 0;
> +
> + for (i = 0; i < len; i++) {
> + idx = i % 16;
> + if (idx == 0) {
> + if (i > 0) n += snprintf(dst + n, dst_len - n, " %s\n", ascii);
> + n += snprintf(dst + n, dst_len - n, "%04x ", i);
> + }
> + n += snprintf(dst + n, dst_len - n, " %02x", p[i]);
> + ascii[idx] = p[i] < 0x20 || p[i] > 0x7e ? '.' : p[i];
> + ascii[idx + 1] = '\0';
> + }
> +
> + while (i++ % 16) n += snprintf(dst + n, dst_len - n, "%s", " ");
> + n += snprintf(dst + n, dst_len - n, " %s\n\n", ascii);
> +
> + return n;
> +}
> +
> +#ifdef NS_ENABLE_SSL
> +static int ns_ssl_err(struct ns_connection *conn, int res) {
> + int ssl_err = SSL_get_error(conn->ssl, res);
> + if (ssl_err == SSL_ERROR_WANT_READ) conn->flags |= NSF_WANT_READ;
> + if (ssl_err == SSL_ERROR_WANT_WRITE) conn->flags |= NSF_WANT_WRITE;
> + return ssl_err;
> +}
> +#endif
> +
> +static void ns_read_from_socket(struct ns_connection *conn) {
> + char buf[2048];
> + int n = 0;
> +
> + if (conn->flags & NSF_CONNECTING) {
> + int ok = 1, ret;
> + socklen_t len = sizeof(ok);
> +
> + ret = getsockopt(conn->sock, SOL_SOCKET, SO_ERROR, (char *) &ok, &len);
> + (void) ret;
> +#ifdef NS_ENABLE_SSL
> + if (ret == 0 && ok == 0 && conn->ssl != NULL) {
> + int res = SSL_connect(conn->ssl);
> + int ssl_err = ns_ssl_err(conn, res);
> + if (res == 1) {
> + conn->flags |= NSF_SSL_HANDSHAKE_DONE;
> + } else if (ssl_err == SSL_ERROR_WANT_READ ||
> + ssl_err == SSL_ERROR_WANT_WRITE) {
> + return; // Call us again
> + } else {
> + ok = 1;
> + }
> + }
> +#endif
> + conn->flags &= ~NSF_CONNECTING;
> + DBG(("%p ok=%d", conn, ok));
> + if (ok != 0) {
> + conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + ns_call(conn, NS_CONNECT, &ok);
> + return;
> + }
> +
> +#ifdef NS_ENABLE_SSL
> + if (conn->ssl != NULL) {
> + if (conn->flags & NSF_SSL_HANDSHAKE_DONE) {
> + // SSL library may have more bytes ready to read then we ask to read.
> + // Therefore, read in a loop until we read everything. Without the loop,
> + // we skip to the next select() cycle which can just timeout.
> + while ((n = SSL_read(conn->ssl, buf, sizeof(buf))) > 0) {
> + DBG(("%p %d <- %d bytes (SSL)", conn, conn->flags, n));
> + iobuf_append(&conn->recv_iobuf, buf, n);
> + ns_call(conn, NS_RECV, &n);
> + }
> + ns_ssl_err(conn, n);
> + } else {
> + int res = SSL_accept(conn->ssl);
> + int ssl_err = ns_ssl_err(conn, res);
> + if (res == 1) {
> + conn->flags |= NSF_SSL_HANDSHAKE_DONE;
> + } else if (ssl_err == SSL_ERROR_WANT_READ ||
> + ssl_err == SSL_ERROR_WANT_WRITE) {
> + return; // Call us again
> + } else {
> + conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + return;
> + }
> + } else
> +#endif
> + {
> + while ((n = (int) recv(conn->sock, buf, sizeof(buf), 0)) > 0) {
> + DBG(("%p %d <- %d bytes (PLAIN)", conn, conn->flags, n));
> + iobuf_append(&conn->recv_iobuf, buf, n);
> + ns_call(conn, NS_RECV, &n);
> + }
> + }
> +
> + if (ns_is_error(n)) {
> + conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> +}
> +
> +static void ns_write_to_socket(struct ns_connection *conn) {
> + struct iobuf *io = &conn->send_iobuf;
> + int n = 0;
> +
> +#ifdef NS_ENABLE_SSL
> + if (conn->ssl != NULL) {
> + n = SSL_write(conn->ssl, io->buf, io->len);
> + if (n <= 0) {
> + int ssl_err = ns_ssl_err(conn, n);
> + if (ssl_err == SSL_ERROR_WANT_READ || ssl_err == SSL_ERROR_WANT_WRITE) {
> + return; // Call us again
> + } else {
> + conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + }
> + } else
> +#endif
> + { n = (int) send(conn->sock, io->buf, io->len, 0); }
> +
> + DBG(("%p %d -> %d bytes", conn, conn->flags, n));
> +
> + ns_call(conn, NS_SEND, &n);
> + if (ns_is_error(n)) {
> + conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + } else if (n > 0) {
> + iobuf_remove(io, n);
> + }
> +}
> +
> +int ns_send(struct ns_connection *conn, const void *buf, int len) {
> + return (int) ns_out(conn, buf, len);
> +}
> +
> +static void ns_handle_udp(struct ns_connection *ls) {
> + struct ns_connection nc;
> + char buf[NS_UDP_RECEIVE_BUFFER_SIZE];
> + int n;
> + socklen_t s_len = sizeof(nc.sa);
> +
> + memset(&nc, 0, sizeof(nc));
> + n = recvfrom(ls->sock, buf, sizeof(buf), 0, &nc.sa.sa, &s_len);
> + if (n <= 0) {
> + DBG(("%p recvfrom: %s", ls, strerror(errno)));
> + } else {
> + nc.mgr = ls->mgr;
> + nc.recv_iobuf.buf = buf;
> + nc.recv_iobuf.len = nc.recv_iobuf.size = n;
> + nc.sock = ls->sock;
> + nc.callback = ls->callback;
> + nc.user_data = ls->user_data;
> + nc.proto_data = ls->proto_data;
> + nc.mgr = ls->mgr;
> + nc.listener = ls;
> + nc.flags = NSF_UDP;
> + DBG(("%p %d bytes received", ls, n));
> + ns_call(&nc, NS_RECV, &n);
> + }
> +}
> +
> +static void ns_add_to_set(sock_t sock, fd_set *set, sock_t *max_fd) {
> + if (sock != INVALID_SOCKET) {
> + FD_SET(sock, set);
> + if (*max_fd == INVALID_SOCKET || sock > *max_fd) {
> + *max_fd = sock;
> + }
> + }
> +}
> +
> +time_t ns_mgr_poll(struct ns_mgr *mgr, int milli) {
> + struct ns_connection *conn, *tmp_conn;
> + struct timeval tv;
> + fd_set read_set, write_set;
> + sock_t max_fd = INVALID_SOCKET;
> + time_t current_time = time(NULL);
> +
> + FD_ZERO(&read_set);
> + FD_ZERO(&write_set);
> + ns_add_to_set(mgr->ctl[1], &read_set, &max_fd);
> +
> + for (conn = mgr->active_connections; conn != NULL; conn = tmp_conn) {
> + tmp_conn = conn->next;
> + if (!(conn->flags & (NSF_LISTENING | NSF_CONNECTING))) {
> + ns_call(conn, NS_POLL, ¤t_time);
> + }
> + if (!(conn->flags & NSF_WANT_WRITE)) {
> + //DBG(("%p read_set", conn));
> + ns_add_to_set(conn->sock, &read_set, &max_fd);
> + }
> + if (((conn->flags & NSF_CONNECTING) && !(conn->flags & NSF_WANT_READ)) ||
> + (conn->send_iobuf.len > 0 && !(conn->flags & NSF_CONNECTING) &&
> + !(conn->flags & NSF_BUFFER_BUT_DONT_SEND))) {
> + //DBG(("%p write_set", conn));
> + ns_add_to_set(conn->sock, &write_set, &max_fd);
> + }
> + if (conn->flags & NSF_CLOSE_IMMEDIATELY) {
> + ns_close_conn(conn);
> + }
> + }
> +
> + tv.tv_sec = milli / 1000;
> + tv.tv_usec = (milli % 1000) * 1000;
> +
> + if (select((int) max_fd + 1, &read_set, &write_set, NULL, &tv) > 0) {
> + // select() might have been waiting for a long time, reset current_time
> + // now to prevent last_io_time being set to the past.
> + current_time = time(NULL);
> +
> + // Read wakeup messages
> + if (mgr->ctl[1] != INVALID_SOCKET &&
> + FD_ISSET(mgr->ctl[1], &read_set)) {
> + struct ctl_msg ctl_msg;
> + int len = (int) recv(mgr->ctl[1], (char *) &ctl_msg, sizeof(ctl_msg), 0);
> + send(mgr->ctl[1], ctl_msg.message, 1, 0);
> + if (len >= (int) sizeof(ctl_msg.callback) && ctl_msg.callback != NULL) {
> + struct ns_connection *c;
> + for (c = ns_next(mgr, NULL); c != NULL; c = ns_next(mgr, c)) {
> + ctl_msg.callback(c, NS_POLL, ctl_msg.message);
> + }
> + }
> + }
> +
> + for (conn = mgr->active_connections; conn != NULL; conn = tmp_conn) {
> + tmp_conn = conn->next;
> + if (FD_ISSET(conn->sock, &read_set)) {
> + if (conn->flags & NSF_LISTENING) {
> + if (conn->flags & NSF_UDP) {
> + ns_handle_udp(conn);
> + } else {
> + // We're not looping here, and accepting just one connection at
> + // a time. The reason is that eCos does not respect non-blocking
> + // flag on a listening socket and hangs in a loop.
> + accept_conn(conn);
> + }
> + } else {
> + conn->last_io_time = current_time;
> + ns_read_from_socket(conn);
> + }
> + }
> +
> + if (FD_ISSET(conn->sock, &write_set)) {
> + if (conn->flags & NSF_CONNECTING) {
> + ns_read_from_socket(conn);
> + } else if (!(conn->flags & NSF_BUFFER_BUT_DONT_SEND)) {
> + conn->last_io_time = current_time;
> + ns_write_to_socket(conn);
> + }
> + }
> + }
> + }
> +
> + for (conn = mgr->active_connections; conn != NULL; conn = tmp_conn) {
> + tmp_conn = conn->next;
> + if ((conn->flags & NSF_CLOSE_IMMEDIATELY) ||
> + (conn->send_iobuf.len == 0 &&
> + (conn->flags & NSF_FINISHED_SENDING_DATA))) {
> + ns_close_conn(conn);
> + }
> + }
> +
> + return current_time;
> +}
> +
> +struct ns_connection *ns_connect(struct ns_mgr *mgr, const char *address,
> + ns_callback_t callback, void *user_data) {
> + sock_t sock = INVALID_SOCKET;
> + struct ns_connection *nc = NULL;
> + union socket_address sa;
> + char cert[100], ca_cert[100];
> + int rc, use_ssl, proto;
> +
> + ns_parse_address(address, &sa, &proto, &use_ssl, cert, ca_cert);
> + if ((sock = socket(AF_INET, proto, 0)) == INVALID_SOCKET) {
> + return NULL;
> + }
> + ns_set_non_blocking_mode(sock);
> + rc = (proto == SOCK_DGRAM) ? 0 : connect(sock, &sa.sa, sizeof(sa.sin));
> +
> + if (rc != 0 && ns_is_error(rc)) {
> + closesocket(sock);
> + return NULL;
> + } else if ((nc = ns_add_sock(mgr, sock, callback, user_data)) == NULL) {
> + closesocket(sock);
> + return NULL;
> + }
> +
> + nc->sa = sa; // Important, cause UDP conns will use sendto()
> + nc->flags = (proto == SOCK_DGRAM) ? NSF_UDP : NSF_CONNECTING;
> +
> +#ifdef NS_ENABLE_SSL
> + if (use_ssl) {
> + if ((nc->ssl_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL ||
> + ns_use_cert(nc->ssl_ctx, cert) != 0 ||
> + ns_use_ca_cert(nc->ssl_ctx, ca_cert) != 0 ||
> + (nc->ssl = SSL_new(nc->ssl_ctx)) == NULL) {
> + ns_close_conn(nc);
> + return NULL;
> + } else {
> + SSL_set_fd(nc->ssl, sock);
> + }
> + }
> +#endif
> +
> + return nc;
> +}
> +
> +struct ns_connection *ns_add_sock(struct ns_mgr *s, sock_t sock,
> + ns_callback_t callback, void *user_data) {
> + struct ns_connection *conn;
> + if ((conn = (struct ns_connection *) NS_MALLOC(sizeof(*conn))) != NULL) {
> + memset(conn, 0, sizeof(*conn));
> + ns_set_non_blocking_mode(sock);
> + ns_set_close_on_exec(sock);
> + conn->sock = sock;
> + conn->user_data = user_data;
> + conn->callback = callback;
> + conn->mgr = s;
> + conn->last_io_time = time(NULL);
> + ns_add_conn(s, conn);
> + DBG(("%p %d", conn, sock));
> + }
> + return conn;
> +}
> +
> +struct ns_connection *ns_next(struct ns_mgr *s, struct ns_connection *conn) {
> + return conn == NULL ? s->active_connections : conn->next;
> +}
> +
> +void ns_broadcast(struct ns_mgr *mgr, ns_callback_t cb,void *data, size_t len) {
> + struct ctl_msg ctl_msg;
> + if (mgr->ctl[0] != INVALID_SOCKET && data != NULL &&
> + len < sizeof(ctl_msg.message)) {
> + ctl_msg.callback = cb;
> + memcpy(ctl_msg.message, data, len);
> + send(mgr->ctl[0], (char *) &ctl_msg,
> + offsetof(struct ctl_msg, message) + len, 0);
> + recv(mgr->ctl[0], (char *) &len, 1, 0);
> + }
> +}
> +
> +void ns_mgr_init(struct ns_mgr *s, void *user_data) {
> + memset(s, 0, sizeof(*s));
> + s->ctl[0] = s->ctl[1] = INVALID_SOCKET;
> + s->user_data = user_data;
> +
> +#ifdef _WIN32
> + { WSADATA data; WSAStartup(MAKEWORD(2, 2), &data); }
> +#else
> + // Ignore SIGPIPE signal, so if client cancels the request, it
> + // won't kill the whole process.
> + signal(SIGPIPE, SIG_IGN);
> +#endif
> +
> +#ifndef NS_DISABLE_SOCKETPAIR
> + do {
> + ns_socketpair2(s->ctl, SOCK_DGRAM);
> + } while (s->ctl[0] == INVALID_SOCKET);
> +#endif
> +
> +#ifdef NS_ENABLE_SSL
> + {static int init_done; if (!init_done) { SSL_library_init(); init_done++; }}
> +#endif
> +}
> +
> +void ns_mgr_free(struct ns_mgr *s) {
> + struct ns_connection *conn, *tmp_conn;
> +
> + DBG(("%p", s));
> + if (s == NULL) return;
> + // Do one last poll, see https://github.com/cesanta/mongoose/issues/286
> + ns_mgr_poll(s, 0);
> +
> + if (s->ctl[0] != INVALID_SOCKET) closesocket(s->ctl[0]);
> + if (s->ctl[1] != INVALID_SOCKET) closesocket(s->ctl[1]);
> + s->ctl[0] = s->ctl[1] = INVALID_SOCKET;
> +
> + for (conn = s->active_connections; conn != NULL; conn = tmp_conn) {
> + tmp_conn = conn->next;
> + ns_close_conn(conn);
> + }
> +}
> +// net_skeleton end
> +#endif // NOEMBED_NET_SKELETON
> +
> +#include <ctype.h>
> +
> +#ifdef _WIN32 //////////////// Windows specific defines and includes
> +#include <io.h> // For _lseeki64
> +#include <direct.h> // For _mkdir
> +#ifndef S_ISDIR
> +#define S_ISDIR(x) ((x) & _S_IFDIR)
> +#endif
> +#ifdef stat
> +#undef stat
> +#endif
> +#ifdef lseek
> +#undef lseek
> +#endif
> +#ifdef popen
> +#undef popen
> +#endif
> +#ifdef pclose
> +#undef pclose
> +#endif
> +#define stat(x, y) mg_stat((x), (y))
> +#define fopen(x, y) mg_fopen((x), (y))
> +#define open(x, y, z) mg_open((x), (y), (z))
> +#define close(x) _close(x)
> +#define lseek(x, y, z) _lseeki64((x), (y), (z))
> +#define popen(x, y) _popen((x), (y))
> +#define pclose(x) _pclose(x)
> +#define mkdir(x, y) _mkdir(x)
> +#ifndef __func__
> +#define STRX(x) #x
> +#define STR(x) STRX(x)
> +#define __func__ __FILE__ ":" STR(__LINE__)
> +#endif
> +/* MINGW has adopted the MSVC formatting for 64-bit ints as of gcc 4.4 till 4.8*/
> +#if (defined(__MINGW32__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4 && __GNUC_MINOR__ < 8))) || defined(_MSC_VER)
> +#define INT64_FMT "I64d"
> +#else
> +#define INT64_FMT "lld"
> +#endif
> +#define flockfile(x) ((void) (x))
> +#define funlockfile(x) ((void) (x))
> +typedef struct _stati64 file_stat_t;
> +typedef HANDLE process_id_t;
> +
> +#else ////////////// UNIX specific defines and includes
> +
> +#include <dirent.h>
> +#include <dlfcn.h>
> +#include <inttypes.h>
> +#include <pwd.h>
> +#define O_BINARY 0
> +#define INT64_FMT PRId64
> +typedef struct stat file_stat_t;
> +typedef pid_t process_id_t;
> +#endif //////// End of platform-specific defines and includes
> +
> +#include "mongoose.h"
> +
> +#define MAX_REQUEST_SIZE 16384
> +#define IOBUF_SIZE 8192
> +#define MAX_PATH_SIZE 8192
> +#define DEFAULT_CGI_PATTERN "**.cgi$|**.pl$|**.php$"
> +#define CGI_ENVIRONMENT_SIZE 8192
> +#define MAX_CGI_ENVIR_VARS 64
> +#define ENV_EXPORT_TO_CGI "MONGOOSE_CGI"
> +#define PASSWORDS_FILE_NAME ".htpasswd"
> +
> +#ifndef MONGOOSE_USE_WEBSOCKET_PING_INTERVAL
> +#define MONGOOSE_USE_WEBSOCKET_PING_INTERVAL 5
> +#endif
> +
> +// Extra HTTP headers to send in every static file reply
> +#if !defined(MONGOOSE_USE_EXTRA_HTTP_HEADERS)
> +#define MONGOOSE_USE_EXTRA_HTTP_HEADERS ""
> +#endif
> +
> +#ifndef MONGOOSE_POST_SIZE_LIMIT
> +#define MONGOOSE_POST_SIZE_LIMIT 0
> +#endif
> +
> +#ifndef MONGOOSE_IDLE_TIMEOUT_SECONDS
> +#define MONGOOSE_IDLE_TIMEOUT_SECONDS 300
> +#endif
> +
> +#ifdef NS_DISABLE_SOCKETPAIR
> +#define MONGOOSE_NO_CGI
> +#endif
> +
> +#ifdef MONGOOSE_NO_FILESYSTEM
> +#define MONGOOSE_NO_AUTH
> +#define MONGOOSE_NO_CGI
> +#define MONGOOSE_NO_DAV
> +#define MONGOOSE_NO_DIRECTORY_LISTING
> +#define MONGOOSE_NO_LOGGING
> +#define MONGOOSE_NO_SSI
> +#define MONGOOSE_NO_DL
> +#endif
> +
> +struct vec {
> + const char *ptr;
> + int len;
> +};
> +
> +// For directory listing and WevDAV support
> +struct dir_entry {
> + struct connection *conn;
> + char *file_name;
> + file_stat_t st;
> +};
> +
> +// NOTE(lsm): this enum shoulds be in sync with the config_options.
> +enum {
> + ACCESS_CONTROL_LIST,
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + ACCESS_LOG_FILE,
> +#ifndef MONGOOSE_NO_AUTH
> + AUTH_DOMAIN,
> +#endif
> +#ifndef MONGOOSE_NO_CGI
> + CGI_INTERPRETER,
> + CGI_PATTERN,
> +#endif
> + DAV_AUTH_FILE,
> + DOCUMENT_ROOT,
> +#ifndef MONGOOSE_NO_DIRECTORY_LISTING
> + ENABLE_DIRECTORY_LISTING,
> +#endif
> +#endif
> + ENABLE_PROXY,
> + EXTRA_MIME_TYPES,
> +#if !defined(MONGOOSE_NO_FILESYSTEM) && !defined(MONGOOSE_NO_AUTH)
> + GLOBAL_AUTH_FILE,
> +#endif
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + HIDE_FILES_PATTERN,
> + HEXDUMP_FILE,
> + INDEX_FILES,
> +#endif
> + LISTENING_PORT,
> +#ifndef _WIN32
> + RUN_AS_USER,
> +#endif
> +#ifndef MONGOOSE_NO_SSI
> + SSI_PATTERN,
> +#endif
> + URL_REWRITES,
> + NUM_OPTIONS
> +};
> +
> +static const char *static_config_options[] = {
> + "access_control_list", NULL,
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + "access_log_file", NULL,
> +#ifndef MONGOOSE_NO_AUTH
> + "auth_domain", "mydomain.com",
> +#endif
> +#ifndef MONGOOSE_NO_CGI
> + "cgi_interpreter", NULL,
> + "cgi_pattern", DEFAULT_CGI_PATTERN,
> +#endif
> + "dav_auth_file", NULL,
> + "document_root", NULL,
> +#ifndef MONGOOSE_NO_DIRECTORY_LISTING
> + "enable_directory_listing", "yes",
> +#endif
> +#endif
> + "enable_proxy", NULL,
> + "extra_mime_types", NULL,
> +#if !defined(MONGOOSE_NO_FILESYSTEM) && !defined(MONGOOSE_NO_AUTH)
> + "global_auth_file", NULL,
> +#endif
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + "hide_files_patterns", NULL,
> + "hexdump_file", NULL,
> + "index_files","index.html,index.htm,index.shtml,index.cgi,index.php",
> +#endif
> + "listening_port", NULL,
> +#ifndef _WIN32
> + "run_as_user", NULL,
> +#endif
> +#ifndef MONGOOSE_NO_SSI
> + "ssi_pattern", "**.shtml$|**.shtm$",
> +#endif
> + "url_rewrites", NULL,
> + NULL
> +};
> +
> +struct mg_server {
> + struct ns_mgr ns_mgr;
> + union socket_address lsa; // Listening socket address
> + mg_handler_t event_handler;
> + char *config_options[NUM_OPTIONS];
> +};
> +
> +// Local endpoint representation
> +union endpoint {
> + int fd; // Opened regular local file
> + struct ns_connection *nc; // CGI or proxy->target connection
> +};
> +
> +enum endpoint_type {
> + EP_NONE, EP_FILE, EP_CGI, EP_USER, EP_PUT, EP_CLIENT, EP_PROXY
> +};
> +
> +#define MG_HEADERS_SENT NSF_USER_1
> +#define MG_LONG_RUNNING NSF_USER_2
> +#define MG_CGI_CONN NSF_USER_3
> +#define MG_PROXY_CONN NSF_USER_4
> +#define MG_PROXY_DONT_PARSE NSF_USER_5
> +
> +struct connection {
> + struct ns_connection *ns_conn; // NOTE(lsm): main.c depends on this order
> + struct mg_connection mg_conn;
> + struct mg_server *server;
> + union endpoint endpoint;
> + enum endpoint_type endpoint_type;
> + char *path_info;
> + char *request;
> + int64_t num_bytes_recv; // Total number of bytes received
> + int64_t cl; // Reply content length, for Range support
> + int request_len; // Request length, including last \r\n after last header
> +};
> +
> +#define MG_CONN_2_CONN(c) ((struct connection *) ((char *) (c) - \
> + offsetof(struct connection, mg_conn)))
> +
> +static void open_local_endpoint(struct connection *conn, int skip_user);
> +static void close_local_endpoint(struct connection *conn);
> +static void mg_ev_handler(struct ns_connection *nc, int ev, void *p);
> +
> +static const struct {
> + const char *extension;
> + size_t ext_len;
> + const char *mime_type;
> +} static_builtin_mime_types[] = {
> + {".html", 5, "text/html"},
> + {".htm", 4, "text/html"},
> + {".shtm", 5, "text/html"},
> + {".shtml", 6, "text/html"},
> + {".css", 4, "text/css"},
> + {".js", 3, "application/x-javascript"},
> + {".ico", 4, "image/x-icon"},
> + {".gif", 4, "image/gif"},
> + {".jpg", 4, "image/jpeg"},
> + {".jpeg", 5, "image/jpeg"},
> + {".png", 4, "image/png"},
> + {".svg", 4, "image/svg+xml"},
> + {".txt", 4, "text/plain"},
> + {".torrent", 8, "application/x-bittorrent"},
> + {".wav", 4, "audio/x-wav"},
> + {".mp3", 4, "audio/x-mp3"},
> + {".mid", 4, "audio/mid"},
> + {".m3u", 4, "audio/x-mpegurl"},
> + {".ogg", 4, "application/ogg"},
> + {".ram", 4, "audio/x-pn-realaudio"},
> + {".xml", 4, "text/xml"},
> + {".json", 5, "application/json"},
> + {".xslt", 5, "application/xml"},
> + {".xsl", 4, "application/xml"},
> + {".ra", 3, "audio/x-pn-realaudio"},
> + {".doc", 4, "application/msword"},
> + {".exe", 4, "application/octet-stream"},
> + {".zip", 4, "application/x-zip-compressed"},
> + {".xls", 4, "application/excel"},
> + {".tgz", 4, "application/x-tar-gz"},
> + {".tar", 4, "application/x-tar"},
> + {".gz", 3, "application/x-gunzip"},
> + {".arj", 4, "application/x-arj-compressed"},
> + {".rar", 4, "application/x-rar-compressed"},
> + {".rtf", 4, "application/rtf"},
> + {".pdf", 4, "application/pdf"},
> + {".swf", 4, "application/x-shockwave-flash"},
> + {".mpg", 4, "video/mpeg"},
> + {".webm", 5, "video/webm"},
> + {".mpeg", 5, "video/mpeg"},
> + {".mov", 4, "video/quicktime"},
> + {".mp4", 4, "video/mp4"},
> + {".m4v", 4, "video/x-m4v"},
> + {".asf", 4, "video/x-ms-asf"},
> + {".avi", 4, "video/x-msvideo"},
> + {".bmp", 4, "image/bmp"},
> + {".ttf", 4, "application/x-font-ttf"},
> + {NULL, 0, NULL}
> +};
> +
> +#ifndef MONGOOSE_NO_THREADS
> +void *mg_start_thread(void *(*f)(void *), void *p) {
> + return ns_start_thread(f, p);
> +}
> +#endif // MONGOOSE_NO_THREADS
> +
> +#ifndef MONGOOSE_NO_MMAP
> +#ifdef _WIN32
> +static void *mmap(void *addr, int64_t len, int prot, int flags, int fd,
> + int offset) {
> + HANDLE fh = (HANDLE) _get_osfhandle(fd);
> + HANDLE mh = CreateFileMapping(fh, 0, PAGE_READONLY, 0, 0, 0);
> + void *p = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, (size_t) len);
> + CloseHandle(mh);
> + return p;
> +}
> +#define munmap(x, y) UnmapViewOfFile(x)
> +#define MAP_FAILED NULL
> +#define MAP_PRIVATE 0
> +#define PROT_READ 0
> +#else
> +#include <sys/mman.h>
> +#endif
> +
> +void *mg_mmap(FILE *fp, size_t size) {
> + void *p = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
> + return p == MAP_FAILED ? NULL : p;
> +}
> +
> +void mg_munmap(void *p, size_t size) {
> + munmap(p, size);
> +}
> +#endif // MONGOOSE_NO_MMAP
> +
> +#if defined(_WIN32) && !defined(MONGOOSE_NO_FILESYSTEM)
> +// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
> +// wbuf and wbuf_len is a target buffer and its length.
> +static void to_wchar(const char *path, wchar_t *wbuf, size_t wbuf_len) {
> + char buf[MAX_PATH_SIZE * 2], buf2[MAX_PATH_SIZE * 2], *p;
> +
> + strncpy(buf, path, sizeof(buf));
> + buf[sizeof(buf) - 1] = '\0';
> +
> + // Trim trailing slashes. Leave backslash for paths like "X:\"
> + p = buf + strlen(buf) - 1;
> + while (p > buf && p[-1] != ':' && (p[0] == '\\' || p[0] == '/')) *p-- = '\0';
> +
> + // Convert to Unicode and back. If doubly-converted string does not
> + // match the original, something is fishy, reject.
> + memset(wbuf, 0, wbuf_len * sizeof(wchar_t));
> + MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
> + WideCharToMultiByte(CP_UTF8, 0, wbuf, (int) wbuf_len, buf2, sizeof(buf2),
> + NULL, NULL);
> + if (strcmp(buf, buf2) != 0) {
> + wbuf[0] = L'\0';
> + }
> +}
> +
> +static int mg_stat(const char *path, file_stat_t *st) {
> + wchar_t wpath[MAX_PATH_SIZE];
> + to_wchar(path, wpath, ARRAY_SIZE(wpath));
> + DBG(("[%ls] -> %d", wpath, _wstati64(wpath, st)));
> + return _wstati64(wpath, st);
> +}
> +
> +static FILE *mg_fopen(const char *path, const char *mode) {
> + wchar_t wpath[MAX_PATH_SIZE], wmode[10];
> + to_wchar(path, wpath, ARRAY_SIZE(wpath));
> + to_wchar(mode, wmode, ARRAY_SIZE(wmode));
> + return _wfopen(wpath, wmode);
> +}
> +
> +static int mg_open(const char *path, int flag, int mode) {
> + wchar_t wpath[MAX_PATH_SIZE];
> + to_wchar(path, wpath, ARRAY_SIZE(wpath));
> + return _wopen(wpath, flag, mode);
> +}
> +#endif // _WIN32 && !MONGOOSE_NO_FILESYSTEM
> +
> +// A helper function for traversing a comma separated list of values.
> +// It returns a list pointer shifted to the next value, or NULL if the end
> +// of the list found.
> +// Value is stored in val vector. If value has form "x=y", then eq_val
> +// vector is initialized to point to the "y" part, and val vector length
> +// is adjusted to point only to "x".
> +static const char *next_option(const char *list, struct vec *val,
> + struct vec *eq_val) {
> + if (list == NULL || *list == '\0') {
> + // End of the list
> + list = NULL;
> + } else {
> + val->ptr = list;
> + if ((list = strchr(val->ptr, ',')) != NULL) {
> + // Comma found. Store length and shift the list ptr
> + val->len = list - val->ptr;
> + list++;
> + } else {
> + // This value is the last one
> + list = val->ptr + strlen(val->ptr);
> + val->len = list - val->ptr;
> + }
> +
> + if (eq_val != NULL) {
> + // Value has form "x=y", adjust pointers and lengths
> + // so that val points to "x", and eq_val points to "y".
> + eq_val->len = 0;
> + eq_val->ptr = (const char *) memchr(val->ptr, '=', val->len);
> + if (eq_val->ptr != NULL) {
> + eq_val->ptr++; // Skip over '=' character
> + eq_val->len = val->ptr + val->len - eq_val->ptr;
> + val->len = (eq_val->ptr - val->ptr) - 1;
> + }
> + }
> + }
> +
> + return list;
> +}
> +
> +// Like snprintf(), but never returns negative value, or a value
> +// that is larger than a supplied buffer.
> +static int mg_vsnprintf(char *buf, size_t buflen, const char *fmt, va_list ap) {
> + int n;
> + if (buflen < 1) return 0;
> + n = vsnprintf(buf, buflen, fmt, ap);
> + if (n < 0) {
> + n = 0;
> + } else if (n >= (int) buflen) {
> + n = (int) buflen - 1;
> + }
> + buf[n] = '\0';
> + return n;
> +}
> +
> +static int mg_snprintf(char *buf, size_t buflen, const char *fmt, ...) {
> + va_list ap;
> + int n;
> + va_start(ap, fmt);
> + n = mg_vsnprintf(buf, buflen, fmt, ap);
> + va_end(ap);
> + return n;
> +}
> +
> +// Check whether full request is buffered. Return:
> +// -1 if request is malformed
> +// 0 if request is not yet fully buffered
> +// >0 actual request length, including last \r\n\r\n
> +static int get_request_len(const char *s, int buf_len) {
> + const unsigned char *buf = (unsigned char *) s;
> + int i;
> +
> + for (i = 0; i < buf_len; i++) {
> + // Control characters are not allowed but >=128 are.
> + // Abort scan as soon as one malformed character is found.
> + if (!isprint(buf[i]) && buf[i] != '\r' && buf[i] != '\n' && buf[i] < 128) {
> + return -1;
> + } else if (buf[i] == '\n' && i + 1 < buf_len && buf[i + 1] == '\n') {
> + return i + 2;
> + } else if (buf[i] == '\n' && i + 2 < buf_len && buf[i + 1] == '\r' &&
> + buf[i + 2] == '\n') {
> + return i + 3;
> + }
> + }
> +
> + return 0;
> +}
> +
> +// Skip the characters until one of the delimiters characters found.
> +// 0-terminate resulting word. Skip the rest of the delimiters if any.
> +// Advance pointer to buffer to the next word. Return found 0-terminated word.
> +static char *skip(char **buf, const char *delimiters) {
> + char *p, *begin_word, *end_word, *end_delimiters;
> +
> + begin_word = *buf;
> + end_word = begin_word + strcspn(begin_word, delimiters);
> + end_delimiters = end_word + strspn(end_word, delimiters);
> +
> + for (p = end_word; p < end_delimiters; p++) {
> + *p = '\0';
> + }
> +
> + *buf = end_delimiters;
> +
> + return begin_word;
> +}
> +
> +// Parse HTTP headers from the given buffer, advance buffer to the point
> +// where parsing stopped.
> +static void parse_http_headers(char **buf, struct mg_connection *ri) {
> + size_t i;
> +
> + for (i = 0; i < ARRAY_SIZE(ri->http_headers); i++) {
> + ri->http_headers[i].name = skip(buf, ": ");
> + ri->http_headers[i].value = skip(buf, "\r\n");
> + if (ri->http_headers[i].name[0] == '\0')
> + break;
> + ri->num_headers = i + 1;
> + }
> +}
> +
> +static const char *status_code_to_str(int status_code) {
> + switch (status_code) {
> +
> + case 100: return "Continue";
> + case 101: return "Switching Protocols";
> + case 102: return "Processing";
> +
> + case 200: return "OK";
> + case 201: return "Created";
> + case 202: return "Accepted";
> + case 203: return "Non-Authoritative Information";
> + case 204: return "No Content";
> + case 205: return "Reset Content";
> + case 206: return "Partial Content";
> + case 207: return "Multi-Status";
> + case 208: return "Already Reported";
> + case 226: return "IM Used";
> +
> + case 300: return "Multiple Choices";
> + case 301: return "Moved Permanently";
> + case 302: return "Found";
> + case 303: return "See Other";
> + case 304: return "Not Modified";
> + case 305: return "Use Proxy";
> + case 306: return "Switch Proxy";
> + case 307: return "Temporary Redirect";
> + case 308: return "Permanent Redirect";
> +
> + case 400: return "Bad Request";
> + case 401: return "Unauthorized";
> + case 402: return "Payment Required";
> + case 403: return "Forbidden";
> + case 404: return "Not Found";
> + case 405: return "Method Not Allowed";
> + case 406: return "Not Acceptable";
> + case 407: return "Proxy Authentication Required";
> + case 408: return "Request Timeout";
> + case 409: return "Conflict";
> + case 410: return "Gone";
> + case 411: return "Length Required";
> + case 412: return "Precondition Failed";
> + case 413: return "Payload Too Large";
> + case 414: return "URI Too Long";
> + case 415: return "Unsupported Media Type";
> + case 416: return "Requested Range Not Satisfiable";
> + case 417: return "Expectation Failed";
> + case 418: return "I\'m a teapot";
> + case 422: return "Unprocessable Entity";
> + case 423: return "Locked";
> + case 424: return "Failed Dependency";
> + case 426: return "Upgrade Required";
> + case 428: return "Precondition Required";
> + case 429: return "Too Many Requests";
> + case 431: return "Request Header Fields Too Large";
> + case 451: return "Unavailable For Legal Reasons";
> +
> + case 500: return "Internal Server Error";
> + case 501: return "Not Implemented";
> + case 502: return "Bad Gateway";
> + case 503: return "Service Unavailable";
> + case 504: return "Gateway Timeout";
> + case 505: return "HTTP Version Not Supported";
> + case 506: return "Variant Also Negotiates";
> + case 507: return "Insufficient Storage";
> + case 508: return "Loop Detected";
> + case 510: return "Not Extended";
> + case 511: return "Network Authentication Required";
> +
> + default: return "Server Error";
> + }
> +}
> +
> +static int call_user(struct connection *conn, enum mg_event ev) {
> + return conn != NULL && conn->server != NULL &&
> + conn->server->event_handler != NULL ?
> + conn->server->event_handler(&conn->mg_conn, ev) : MG_FALSE;
> +}
> +
> +static void send_http_error(struct connection *conn, int code,
> + const char *fmt, ...) {
> + const char *message = status_code_to_str(code);
> + const char *rewrites = conn->server->config_options[URL_REWRITES];
> + char headers[200], body[200];
> + struct vec a, b;
> + va_list ap;
> + int body_len, headers_len, match_code;
> +
> + conn->mg_conn.status_code = code;
> +
> + // Invoke error handler if it is set
> + if (call_user(conn, MG_HTTP_ERROR) == MG_TRUE) {
> + close_local_endpoint(conn);
> + return;
> + }
> +
> + // Handle error code rewrites
> + while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
> + if ((match_code = atoi(a.ptr)) > 0 && match_code == code) {
> + struct mg_connection *c = &conn->mg_conn;
> + c->status_code = 302;
> + mg_printf(c, "HTTP/1.1 %d Moved\r\n"
> + "Location: %.*s?code=%d&orig_uri=%s&query_string=%s\r\n\r\n",
> + c->status_code, b.len, b.ptr, code, c->uri,
> + c->query_string == NULL ? "" : c->query_string);
> + close_local_endpoint(conn);
> + return;
> + }
> + }
> +
> + body_len = mg_snprintf(body, sizeof(body), "%d %s\n", code, message);
> + if (fmt != NULL) {
> + va_start(ap, fmt);
> + body_len += mg_vsnprintf(body + body_len, sizeof(body) - body_len, fmt, ap);
> + va_end(ap);
> + }
> + if ((code >= 300 && code <= 399) || code == 204) {
> + // 3xx errors do not have body
> + body_len = 0;
> + }
> + headers_len = mg_snprintf(headers, sizeof(headers),
> + "HTTP/1.1 %d %s\r\nContent-Length: %d\r\n"
> + "Content-Type: text/plain\r\n\r\n",
> + code, message, body_len);
> + ns_send(conn->ns_conn, headers, headers_len);
> + ns_send(conn->ns_conn, body, body_len);
> + close_local_endpoint(conn); // This will write to the log file
> +}
> +
> +static void write_chunk(struct connection *conn, const char *buf, int len) {
> + char chunk_size[50];
> + int n = mg_snprintf(chunk_size, sizeof(chunk_size), "%X\r\n", len);
> + ns_send(conn->ns_conn, chunk_size, n);
> + ns_send(conn->ns_conn, buf, len);
> + ns_send(conn->ns_conn, "\r\n", 2);
> +}
> +
> +size_t mg_printf(struct mg_connection *conn, const char *fmt, ...) {
> + struct connection *c = MG_CONN_2_CONN(conn);
> + va_list ap;
> +
> + va_start(ap, fmt);
> + ns_vprintf(c->ns_conn, fmt, ap);
> + va_end(ap);
> +
> + return c->ns_conn->send_iobuf.len;
> +}
> +
> +static void ns_forward(struct ns_connection *from, struct ns_connection *to) {
> + DBG(("%p -> %p %lu bytes", from, to, (unsigned long)from->recv_iobuf.len));
> + ns_send(to, from->recv_iobuf.buf, from->recv_iobuf.len);
> + iobuf_remove(&from->recv_iobuf, from->recv_iobuf.len);
> +}
> +
> +#ifndef MONGOOSE_NO_CGI
> +#ifdef _WIN32
> +struct threadparam {
> + sock_t s;
> + HANDLE hPipe;
> +};
> +
> +static int wait_until_ready(sock_t sock, int for_read) {
> + fd_set set;
> + FD_ZERO(&set);
> + FD_SET(sock, &set);
> + select(sock + 1, for_read ? &set : 0, for_read ? 0 : &set, 0, 0);
> + return 1;
> +}
> +
> +static void *push_to_stdin(void *arg) {
> + struct threadparam *tp = (struct threadparam *)arg;
> + int n, sent, stop = 0;
> + DWORD k;
> + char buf[IOBUF_SIZE];
> +
> + while (!stop && wait_until_ready(tp->s, 1) &&
> + (n = recv(tp->s, buf, sizeof(buf), 0)) > 0) {
> + if (n == -1 && GetLastError() == WSAEWOULDBLOCK) continue;
> + for (sent = 0; !stop && sent < n; sent += k) {
> + if (!WriteFile(tp->hPipe, buf + sent, n - sent, &k, 0)) stop = 1;
> + }
> + }
> + DBG(("%s", "FORWARED EVERYTHING TO CGI"));
> + CloseHandle(tp->hPipe);
> + free(tp);
> + _endthread();
> + return NULL;
> +}
> +
> +static void *pull_from_stdout(void *arg) {
> + struct threadparam *tp = (struct threadparam *)arg;
> + int k = 0, stop = 0;
> + DWORD n, sent;
> + char buf[IOBUF_SIZE];
> +
> + while (!stop && ReadFile(tp->hPipe, buf, sizeof(buf), &n, NULL)) {
> + for (sent = 0; !stop && sent < n; sent += k) {
> + if (wait_until_ready(tp->s, 0) &&
> + (k = send(tp->s, buf + sent, n - sent, 0)) <= 0) stop = 1;
> + }
> + }
> + DBG(("%s", "EOF FROM CGI"));
> + CloseHandle(tp->hPipe);
> + shutdown(tp->s, 2); // Without this, IO thread may get truncated data
> + closesocket(tp->s);
> + free(tp);
> + _endthread();
> + return NULL;
> +}
> +
> +static void spawn_stdio_thread(sock_t sock, HANDLE hPipe,
> + void *(*func)(void *)) {
> + struct threadparam *tp = (struct threadparam *)malloc(sizeof(*tp));
> + if (tp != NULL) {
> + tp->s = sock;
> + tp->hPipe = hPipe;
> + mg_start_thread(func, tp);
> + }
> +}
> +
> +static void abs_path(const char *utf8_path, char *abs_path, size_t len) {
> + wchar_t buf[MAX_PATH_SIZE], buf2[MAX_PATH_SIZE];
> + to_wchar(utf8_path, buf, ARRAY_SIZE(buf));
> + GetFullPathNameW(buf, ARRAY_SIZE(buf2), buf2, NULL);
> + WideCharToMultiByte(CP_UTF8, 0, buf2, wcslen(buf2) + 1, abs_path, len, 0, 0);
> +}
> +
> +static process_id_t start_process(char *interp, const char *cmd,
> + const char *env, const char *envp[],
> + const char *dir, sock_t sock) {
> + STARTUPINFOW si;
> + PROCESS_INFORMATION pi;
> + HANDLE a[2], b[2], me = GetCurrentProcess();
> + wchar_t wcmd[MAX_PATH_SIZE], full_dir[MAX_PATH_SIZE];
> + char buf[MAX_PATH_SIZE], buf4[MAX_PATH_SIZE], buf5[MAX_PATH_SIZE],
> + cmdline[MAX_PATH_SIZE], *p;
> + DWORD flags = DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS;
> + FILE *fp;
> +
> + memset(&si, 0, sizeof(si));
> + memset(&pi, 0, sizeof(pi));
> +
> + si.cb = sizeof(si);
> + si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
> + si.wShowWindow = SW_HIDE;
> + si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
> +
> + CreatePipe(&a[0], &a[1], NULL, 0);
> + CreatePipe(&b[0], &b[1], NULL, 0);
> + DuplicateHandle(me, a[0], me, &si.hStdInput, 0, TRUE, flags);
> + DuplicateHandle(me, b[1], me, &si.hStdOutput, 0, TRUE, flags);
> +
> + if (interp == NULL && (fp = fopen(cmd, "r")) != NULL) {
> + buf[0] = buf[1] = '\0';
> + fgets(buf, sizeof(buf), fp);
> + buf[sizeof(buf) - 1] = '\0';
> + if (buf[0] == '#' && buf[1] == '!') {
> + interp = buf + 2;
> + for (p = interp + strlen(interp) - 1;
> + isspace(* (uint8_t *) p) && p > interp; p--) *p = '\0';
> + }
> + fclose(fp);
> + }
> +
> + if (interp != NULL) {
> + abs_path(interp, buf4, ARRAY_SIZE(buf4));
> + interp = buf4;
> + }
> + abs_path(dir, buf5, ARRAY_SIZE(buf5));
> + to_wchar(dir, full_dir, ARRAY_SIZE(full_dir));
> + mg_snprintf(cmdline, sizeof(cmdline), "%s%s\"%s\"",
> + interp ? interp : "", interp ? " " : "", cmd);
> + to_wchar(cmdline, wcmd, ARRAY_SIZE(wcmd));
> +
> + if (CreateProcessW(NULL, wcmd, NULL, NULL, TRUE, CREATE_NEW_PROCESS_GROUP,
> + (void *) env, full_dir, &si, &pi) != 0) {
> + spawn_stdio_thread(sock, a[1], push_to_stdin);
> + spawn_stdio_thread(sock, b[0], pull_from_stdout);
> + } else {
> + CloseHandle(a[1]);
> + CloseHandle(b[0]);
> + closesocket(sock);
> + }
> + DBG(("CGI command: [%ls] -> %p", wcmd, pi.hProcess));
> +
> + // Not closing a[0] and b[1] because we've used DUPLICATE_CLOSE_SOURCE
> + CloseHandle(si.hStdOutput);
> + CloseHandle(si.hStdInput);
> + //CloseHandle(pi.hThread);
> + //CloseHandle(pi.hProcess);
> +
> + return pi.hProcess;
> +}
> +#else
> +static process_id_t start_process(const char *interp, const char *cmd,
> + const char *env, const char *envp[],
> + const char *dir, sock_t sock) {
> + char buf[500];
> + process_id_t pid = fork();
> + (void) env;
> +
> + if (pid == 0) {
> + if (chdir(dir) == -1)
> + exit(EXIT_FAILURE);
> + (void) dup2(sock, 0);
> + (void) dup2(sock, 1);
> + closesocket(sock);
> +
> + // After exec, all signal handlers are restored to their default values,
> + // with one exception of SIGCHLD. According to POSIX.1-2001 and Linux's
> + // implementation, SIGCHLD's handler will leave unchanged after exec
> + // if it was set to be ignored. Restore it to default action.
> + signal(SIGCHLD, SIG_DFL);
> +
> + if (interp == NULL) {
> + execle(cmd, cmd, (char *) 0, envp); // Using (char *) 0 to avoid warning
> + } else {
> + execle(interp, interp, cmd, (char *) 0, envp);
> + }
> + snprintf(buf, sizeof(buf), "Status: 500\r\n\r\n"
> + "500 Server Error: %s%s%s: %s", interp == NULL ? "" : interp,
> + interp == NULL ? "" : " ", cmd, strerror(errno));
> + send(1, buf, strlen(buf), 0);
> + exit(EXIT_FAILURE); // exec call failed
> + }
> +
> + return pid;
> +}
> +#endif // _WIN32
> +
> +// This structure helps to create an environment for the spawned CGI program.
> +// Environment is an array of "VARIABLE=VALUE\0" ASCIIZ strings,
> +// last element must be NULL.
> +// However, on Windows there is a requirement that all these VARIABLE=VALUE\0
> +// strings must reside in a contiguous buffer. The end of the buffer is
> +// marked by two '\0' characters.
> +// We satisfy both worlds: we create an envp array (which is vars), all
> +// entries are actually pointers inside buf.
> +struct cgi_env_block {
> + struct mg_connection *conn;
> + char buf[CGI_ENVIRONMENT_SIZE]; // Environment buffer
> + const char *vars[MAX_CGI_ENVIR_VARS]; // char *envp[]
> + int len; // Space taken
> + int nvars; // Number of variables in envp[]
> +};
> +
> +// Append VARIABLE=VALUE\0 string to the buffer, and add a respective
> +// pointer into the vars array.
> +static char *addenv(struct cgi_env_block *block, const char *fmt, ...) {
> + int n, space;
> + char *added;
> + va_list ap;
> +
> + // Calculate how much space is left in the buffer
> + space = sizeof(block->buf) - block->len - 2;
> + assert(space >= 0);
> +
> + // Make a pointer to the free space int the buffer
> + added = block->buf + block->len;
> +
> + // Copy VARIABLE=VALUE\0 string into the free space
> + va_start(ap, fmt);
> + n = mg_vsnprintf(added, (size_t) space, fmt, ap);
> + va_end(ap);
> +
> + // Make sure we do not overflow buffer and the envp array
> + if (n > 0 && n + 1 < space &&
> + block->nvars < (int) ARRAY_SIZE(block->vars) - 2) {
> + // Append a pointer to the added string into the envp array
> + block->vars[block->nvars++] = added;
> + // Bump up used length counter. Include \0 terminator
> + block->len += n + 1;
> + }
> +
> + return added;
> +}
> +
> +static void addenv2(struct cgi_env_block *blk, const char *name) {
> + const char *s;
> + if ((s = getenv(name)) != NULL) addenv(blk, "%s=%s", name, s);
> +}
> +
> +static void prepare_cgi_environment(struct connection *conn,
> + const char *prog,
> + struct cgi_env_block *blk) {
> + struct mg_connection *ri = &conn->mg_conn;
> + const char *s, *slash;
> + char *p, **opts = conn->server->config_options;
> + int i;
> +
> + blk->len = blk->nvars = 0;
> + blk->conn = ri;
> +
> + if ((s = getenv("SERVER_NAME")) != NULL) {
> + addenv(blk, "SERVER_NAME=%s", s);
> + } else {
> + addenv(blk, "SERVER_NAME=%s", ri->local_ip);
> + }
> + addenv(blk, "SERVER_ROOT=%s", opts[DOCUMENT_ROOT]);
> + addenv(blk, "DOCUMENT_ROOT=%s", opts[DOCUMENT_ROOT]);
> + addenv(blk, "SERVER_SOFTWARE=%s/%s", "Mongoose", MONGOOSE_VERSION);
> +
> + // Prepare the environment block
> + addenv(blk, "%s", "GATEWAY_INTERFACE=CGI/1.1");
> + addenv(blk, "%s", "SERVER_PROTOCOL=HTTP/1.1");
> + addenv(blk, "%s", "REDIRECT_STATUS=200"); // For PHP
> +
> + // TODO(lsm): fix this for IPv6 case
> + //addenv(blk, "SERVER_PORT=%d", ri->remote_port);
> +
> + addenv(blk, "REQUEST_METHOD=%s", ri->request_method);
> + addenv(blk, "REMOTE_ADDR=%s", ri->remote_ip);
> + addenv(blk, "REMOTE_PORT=%d", ri->remote_port);
> + addenv(blk, "REQUEST_URI=%s%s%s", ri->uri,
> + ri->query_string == NULL ? "" : "?",
> + ri->query_string == NULL ? "" : ri->query_string);
> +
> + // SCRIPT_NAME
> + if (conn->path_info != NULL) {
> + addenv(blk, "SCRIPT_NAME=%.*s",
> + (int) (strlen(ri->uri) - strlen(conn->path_info)), ri->uri);
> + addenv(blk, "PATH_INFO=%s", conn->path_info);
> + } else {
> + s = strrchr(prog, '/');
> + slash = strrchr(ri->uri, '/');
> + addenv(blk, "SCRIPT_NAME=%.*s%s",
> + slash == NULL ? 0 : (int) (slash - ri->uri), ri->uri,
> + s == NULL ? prog : s);
> + }
> +
> + addenv(blk, "SCRIPT_FILENAME=%s", prog);
> + addenv(blk, "PATH_TRANSLATED=%s", prog);
> + addenv(blk, "HTTPS=%s", conn->ns_conn->ssl != NULL ? "on" : "off");
> +
> + if ((s = mg_get_header(ri, "Content-Type")) != NULL)
> + addenv(blk, "CONTENT_TYPE=%s", s);
> +
> + if (ri->query_string != NULL)
> + addenv(blk, "QUERY_STRING=%s", ri->query_string);
> +
> + if ((s = mg_get_header(ri, "Content-Length")) != NULL)
> + addenv(blk, "CONTENT_LENGTH=%s", s);
> +
> + addenv2(blk, "PATH");
> + addenv2(blk, "TMP");
> + addenv2(blk, "TEMP");
> + addenv2(blk, "TMPDIR");
> + addenv2(blk, "PERLLIB");
> + addenv2(blk, ENV_EXPORT_TO_CGI);
> +
> +#if defined(_WIN32)
> + addenv2(blk, "COMSPEC");
> + addenv2(blk, "SYSTEMROOT");
> + addenv2(blk, "SystemDrive");
> + addenv2(blk, "ProgramFiles");
> + addenv2(blk, "ProgramFiles(x86)");
> + addenv2(blk, "CommonProgramFiles(x86)");
> +#else
> + addenv2(blk, "LD_LIBRARY_PATH");
> +#endif // _WIN32
> +
> + // Add all headers as HTTP_* variables
> + for (i = 0; i < ri->num_headers; i++) {
> + p = addenv(blk, "HTTP_%s=%s",
> + ri->http_headers[i].name, ri->http_headers[i].value);
> +
> + // Convert variable name into uppercase, and change - to _
> + for (; *p != '=' && *p != '\0'; p++) {
> + if (*p == '-')
> + *p = '_';
> + *p = (char) toupper(* (unsigned char *) p);
> + }
> + }
> +
> + blk->vars[blk->nvars++] = NULL;
> + blk->buf[blk->len++] = '\0';
> +
> + assert(blk->nvars < (int) ARRAY_SIZE(blk->vars));
> + assert(blk->len > 0);
> + assert(blk->len < (int) sizeof(blk->buf));
> +}
> +
> +static const char cgi_status[] = "HTTP/1.1 200 OK\r\n";
> +
> +static void open_cgi_endpoint(struct connection *conn, const char *prog) {
> + struct cgi_env_block blk;
> + char dir[MAX_PATH_SIZE];
> + const char *p;
> + sock_t fds[2];
> +
> + prepare_cgi_environment(conn, prog, &blk);
> + // CGI must be executed in its own directory. 'dir' must point to the
> + // directory containing executable program, 'p' must point to the
> + // executable program name relative to 'dir'.
> + if ((p = strrchr(prog, '/')) == NULL) {
> + mg_snprintf(dir, sizeof(dir), "%s", ".");
> + } else {
> + mg_snprintf(dir, sizeof(dir), "%.*s", (int) (p - prog), prog);
> + }
> +
> + // Try to create socketpair in a loop until success. ns_socketpair()
> + // can be interrupted by a signal and fail.
> + // TODO(lsm): use sigaction to restart interrupted syscall
> + do {
> + ns_socketpair(fds);
> + } while (fds[0] == INVALID_SOCKET);
> +
> + if (start_process(conn->server->config_options[CGI_INTERPRETER],
> + prog, blk.buf, blk.vars, dir, fds[1]) != 0) {
> + conn->endpoint_type = EP_CGI;
> + conn->endpoint.nc = ns_add_sock(&conn->server->ns_mgr, fds[0],
> + mg_ev_handler, conn);
> + conn->endpoint.nc->flags |= MG_CGI_CONN;
> + ns_send(conn->ns_conn, cgi_status, sizeof(cgi_status) - 1);
> + conn->mg_conn.status_code = 200;
> + conn->ns_conn->flags |= NSF_BUFFER_BUT_DONT_SEND;
> + // Pass POST data to the CGI process
> + conn->endpoint.nc->send_iobuf = conn->ns_conn->recv_iobuf;
> + iobuf_init(&conn->ns_conn->recv_iobuf, 0);
> + } else {
> + closesocket(fds[0]);
> + send_http_error(conn, 500, "start_process(%s) failed", prog);
> + }
> +
> +#ifndef _WIN32
> + closesocket(fds[1]); // On Windows, CGI stdio thread closes that socket
> +#endif
> +}
> +
> +static void on_cgi_data(struct ns_connection *nc) {
> + struct connection *conn = (struct connection *) nc->user_data;
> + const char *status = "500";
> + struct mg_connection c;
> +
> + if (!conn) return;
> +
> + // Copy CGI data from CGI socket to the client send buffer
> + ns_forward(nc, conn->ns_conn);
> +
> + // If reply has not been parsed yet, parse it
> + if (conn->ns_conn->flags & NSF_BUFFER_BUT_DONT_SEND) {
> + struct iobuf *io = &conn->ns_conn->send_iobuf;
> + int s_len = sizeof(cgi_status) - 1;
> + int len = get_request_len(io->buf + s_len, io->len - s_len);
> + char buf[MAX_REQUEST_SIZE], *s = buf;
> +
> + if (len == 0) return;
> +
> + if (len < 0 || len > (int) sizeof(buf)) {
> + len = io->len;
> + iobuf_remove(io, io->len);
> + send_http_error(conn, 500, "CGI program sent malformed headers: [%.*s]",
> + len, io->buf);
> + } else {
> + memset(&c, 0, sizeof(c));
> + memcpy(buf, io->buf + s_len, len);
> + buf[len - 1] = '\0';
> + parse_http_headers(&s, &c);
> + if (mg_get_header(&c, "Location") != NULL) {
> + status = "302";
> + } else if ((status = (char *) mg_get_header(&c, "Status")) == NULL) {
> + status = "200";
> + }
> + memcpy(io->buf + 9, status, 3);
> + conn->mg_conn.status_code = atoi(status);
> + }
> + conn->ns_conn->flags &= ~NSF_BUFFER_BUT_DONT_SEND;
> + }
> +}
> +#endif // !MONGOOSE_NO_CGI
> +
> +static char *mg_strdup(const char *str) {
> + char *copy = (char *) malloc(strlen(str) + 1);
> + if (copy != NULL) {
> + strcpy(copy, str);
> + }
> + return copy;
> +}
> +
> +static int isbyte(int n) {
> + return n >= 0 && n <= 255;
> +}
> +
> +static int parse_net(const char *spec, uint32_t *net, uint32_t *mask) {
> + int n, a, b, c, d, slash = 32, len = 0;
> +
> + if ((sscanf(spec, "%d.%d.%d.%d/%d%n", &a, &b, &c, &d, &slash, &n) == 5 ||
> + sscanf(spec, "%d.%d.%d.%d%n", &a, &b, &c, &d, &n) == 4) &&
> + isbyte(a) && isbyte(b) && isbyte(c) && isbyte(d) &&
> + slash >= 0 && slash < 33) {
> + len = n;
> + *net = ((uint32_t)a << 24) | ((uint32_t)b << 16) | ((uint32_t)c << 8) | d;
> + *mask = slash ? 0xffffffffU << (32 - slash) : 0;
> + }
> +
> + return len;
> +}
> +
> +// Verify given socket address against the ACL.
> +// Return -1 if ACL is malformed, 0 if address is disallowed, 1 if allowed.
> +static int check_acl(const char *acl, uint32_t remote_ip) {
> + int allowed, flag;
> + uint32_t net, mask;
> + struct vec vec;
> +
> + // If any ACL is set, deny by default
> + allowed = acl == NULL ? '+' : '-';
> +
> + while ((acl = next_option(acl, &vec, NULL)) != NULL) {
> + flag = vec.ptr[0];
> + if ((flag != '+' && flag != '-') ||
> + parse_net(&vec.ptr[1], &net, &mask) == 0) {
> + return -1;
> + }
> +
> + if (net == (remote_ip & mask)) {
> + allowed = flag;
> + }
> + }
> +
> + return allowed == '+';
> +}
> +
> +// Protect against directory disclosure attack by removing '..',
> +// excessive '/' and '\' characters
> +static void remove_double_dots_and_double_slashes(char *s) {
> + char *p = s;
> +
> + while (*s != '\0') {
> + *p++ = *s++;
> + if (s[-1] == '/' || s[-1] == '\\') {
> + // Skip all following slashes, backslashes and double-dots
> + while (s[0] != '\0') {
> + if (s[0] == '/' || s[0] == '\\') { s++; }
> + else if (s[0] == '.' && s[1] == '.') { s += 2; }
> + else { break; }
> + }
> + }
> + }
> + *p = '\0';
> +}
> +
> +int mg_url_decode(const char *src, int src_len, char *dst,
> + int dst_len, int is_form_url_encoded) {
> + int i, j, a, b;
> +#define HEXTOI(x) (isdigit(x) ? x - '0' : x - 'W')
> +
> + for (i = j = 0; i < src_len && j < dst_len - 1; i++, j++) {
> + if (src[i] == '%' && i < src_len - 2 &&
> + isxdigit(* (const unsigned char *) (src + i + 1)) &&
> + isxdigit(* (const unsigned char *) (src + i + 2))) {
> + a = tolower(* (const unsigned char *) (src + i + 1));
> + b = tolower(* (const unsigned char *) (src + i + 2));
> + dst[j] = (char) ((HEXTOI(a) << 4) | HEXTOI(b));
> + i += 2;
> + } else if (is_form_url_encoded && src[i] == '+') {
> + dst[j] = ' ';
> + } else {
> + dst[j] = src[i];
> + }
> + }
> +
> + dst[j] = '\0'; // Null-terminate the destination
> +
> + return i >= src_len ? j : -1;
> +}
> +
> +static int is_valid_http_method(const char *s) {
> + return !strcmp(s, "GET") || !strcmp(s, "POST") || !strcmp(s, "HEAD") ||
> + !strcmp(s, "CONNECT") || !strcmp(s, "PUT") || !strcmp(s, "DELETE") ||
> + !strcmp(s, "OPTIONS") || !strcmp(s, "PROPFIND") || !strcmp(s, "MKCOL");
> +}
> +
> +// Parse HTTP request, fill in mg_request structure.
> +// This function modifies the buffer by NUL-terminating
> +// HTTP request components, header names and header values.
> +// Note that len must point to the last \n of HTTP headers.
> +static int parse_http_message(char *buf, int len, struct mg_connection *ri) {
> + int is_request, n;
> +
> + // Reset the connection. Make sure that we don't touch fields that are
> + // set elsewhere: remote_ip, remote_port, server_param
> + ri->request_method = ri->uri = ri->http_version = ri->query_string = NULL;
> + ri->num_headers = ri->status_code = ri->is_websocket = ri->content_len = 0;
> +
> + buf[len - 1] = '\0';
> +
> + // RFC says that all initial whitespaces should be ingored
> + while (*buf != '\0' && isspace(* (unsigned char *) buf)) {
> + buf++;
> + }
> + ri->request_method = skip(&buf, " ");
> + ri->uri = skip(&buf, " ");
> + ri->http_version = skip(&buf, "\r\n");
> +
> + // HTTP message could be either HTTP request or HTTP response, e.g.
> + // "GET / HTTP/1.0 ...." or "HTTP/1.0 200 OK ..."
> + is_request = is_valid_http_method(ri->request_method);
> + if ((is_request && memcmp(ri->http_version, "HTTP/", 5) != 0) ||
> + (!is_request && memcmp(ri->request_method, "HTTP/", 5) != 0)) {
> + len = -1;
> + } else {
> + if (is_request) {
> + ri->http_version += 5;
> + } else {
> + ri->status_code = atoi(ri->uri);
> + }
> + parse_http_headers(&buf, ri);
> +
> + if ((ri->query_string = strchr(ri->uri, '?')) != NULL) {
> + *(char *) ri->query_string++ = '\0';
> + }
> + n = (int) strlen(ri->uri);
> + mg_url_decode(ri->uri, n, (char *) ri->uri, n + 1, 0);
> + if (*ri->uri == '/' || *ri->uri == '.') {
> + remove_double_dots_and_double_slashes((char *) ri->uri);
> + }
> + }
> +
> + return len;
> +}
> +
> +static int lowercase(const char *s) {
> + return tolower(* (const unsigned char *) s);
> +}
> +
> +static int mg_strcasecmp(const char *s1, const char *s2) {
> + int diff;
> +
> + do {
> + diff = lowercase(s1++) - lowercase(s2++);
> + } while (diff == 0 && s1[-1] != '\0');
> +
> + return diff;
> +}
> +
> +static int mg_strncasecmp(const char *s1, const char *s2, size_t len) {
> + int diff = 0;
> +
> + if (len > 0)
> + do {
> + diff = lowercase(s1++) - lowercase(s2++);
> + } while (diff == 0 && s1[-1] != '\0' && --len > 0);
> +
> + return diff;
> +}
> +
> +// Return HTTP header value, or NULL if not found.
> +const char *mg_get_header(const struct mg_connection *ri, const char *s) {
> + int i;
> +
> + for (i = 0; i < ri->num_headers; i++)
> + if (!mg_strcasecmp(s, ri->http_headers[i].name))
> + return ri->http_headers[i].value;
> +
> + return NULL;
> +}
> +
> +// Perform case-insensitive match of string against pattern
> +int mg_match_prefix(const char *pattern, int pattern_len, const char *str) {
> + const char *or_str;
> + int len, res, i = 0, j = 0;
> +
> + if ((or_str = (const char *) memchr(pattern, '|', pattern_len)) != NULL) {
> + res = mg_match_prefix(pattern, or_str - pattern, str);
> + return res > 0 ? res : mg_match_prefix(or_str + 1,
> + (pattern + pattern_len) - (or_str + 1), str);
> + }
> +
> + for (; i < pattern_len; i++, j++) {
> + if (pattern[i] == '?' && str[j] != '\0') {
> + continue;
> + } else if (pattern[i] == '$') {
> + return str[j] == '\0' ? j : -1;
> + } else if (pattern[i] == '*') {
> + i++;
> + if (pattern[i] == '*') {
> + i++;
> + len = (int) strlen(str + j);
> + } else {
> + len = (int) strcspn(str + j, "/");
> + }
> + if (i == pattern_len) {
> + return j + len;
> + }
> + do {
> + res = mg_match_prefix(pattern + i, pattern_len - i, str + j + len);
> + } while (res == -1 && len-- > 0);
> + return res == -1 ? -1 : j + res + len;
> + } else if (lowercase(&pattern[i]) != lowercase(&str[j])) {
> + return -1;
> + }
> + }
> + return j;
> +}
> +
> +// This function prints HTML pages, and expands "{{something}}" blocks
> +// inside HTML by calling appropriate callback functions.
> +// Note that {{@path/to/file}} construct outputs embedded file's contents,
> +// which provides SSI-like functionality.
> +void mg_template(struct mg_connection *conn, const char *s,
> + struct mg_expansion *expansions) {
> + int i, j, pos = 0, inside_marker = 0;
> +
> + for (i = 0; s[i] != '\0'; i++) {
> + if (inside_marker == 0 && !memcmp(&s[i], "{{", 2)) {
> + if (i > pos) {
> + mg_send_data(conn, &s[pos], i - pos);
> + }
> + pos = i;
> + inside_marker = 1;
> + }
> + if (inside_marker == 1 && !memcmp(&s[i], "}}", 2)) {
> + for (j = 0; expansions[j].keyword != NULL; j++) {
> + const char *kw = expansions[j].keyword;
> + if ((int) strlen(kw) == i - (pos + 2) &&
> + memcmp(kw, &s[pos + 2], i - (pos + 2)) == 0) {
> + expansions[j].handler(conn);
> + pos = i + 2;
> + break;
> + }
> + }
> + inside_marker = 0;
> + }
> + }
> + if (i > pos) {
> + mg_send_data(conn, &s[pos], i - pos);
> + }
> +}
> +
> +#ifndef MONGOOSE_NO_FILESYSTEM
> +static int must_hide_file(struct connection *conn, const char *path) {
> + const char *pw_pattern = "**" PASSWORDS_FILE_NAME "$";
> + const char *pattern = conn->server->config_options[HIDE_FILES_PATTERN];
> + return mg_match_prefix(pw_pattern, strlen(pw_pattern), path) > 0 ||
> + (pattern != NULL && mg_match_prefix(pattern, strlen(pattern), path) > 0);
> +}
> +
> +// Return 1 if real file has been found, 0 otherwise
> +static int convert_uri_to_file_name(struct connection *conn, char *buf,
> + size_t buf_len, file_stat_t *st) {
> + struct vec a, b;
> + const char *rewrites = conn->server->config_options[URL_REWRITES];
> + const char *root = conn->server->config_options[DOCUMENT_ROOT];
> +#ifndef MONGOOSE_NO_CGI
> + const char *cgi_pat = conn->server->config_options[CGI_PATTERN];
> + char *p;
> +#endif
> + const char *uri = conn->mg_conn.uri;
> + const char *domain = mg_get_header(&conn->mg_conn, "Host");
> + int match_len, root_len = root == NULL ? 0 : strlen(root);
> +
> + // Perform virtual hosting rewrites
> + if (rewrites != NULL && domain != NULL) {
> + const char *colon = strchr(domain, ':');
> + int domain_len = colon == NULL ? (int) strlen(domain) : colon - domain;
> +
> + while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
> + if (a.len > 1 && a.ptr[0] == '@' && a.len == domain_len + 1 &&
> + mg_strncasecmp(a.ptr + 1, domain, domain_len) == 0) {
> + root = b.ptr;
> + root_len = b.len;
> + break;
> + }
> + }
> + }
> +
> + // No filesystem access
> + if (root == NULL || root_len == 0) return 0;
> +
> + // Handle URL rewrites
> + mg_snprintf(buf, buf_len, "%.*s%s", root_len, root, uri);
> + rewrites = conn->server->config_options[URL_REWRITES]; // Re-initialize!
> + while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
> + if ((match_len = mg_match_prefix(a.ptr, a.len, uri)) > 0) {
> + mg_snprintf(buf, buf_len, "%.*s%s", (int) b.len, b.ptr, uri + match_len);
> + break;
> + }
> + }
> +
> + if (stat(buf, st) == 0) return 1;
> +
> +#ifndef MONGOOSE_NO_CGI
> + // Support PATH_INFO for CGI scripts.
> + for (p = buf + strlen(root) + 2; *p != '\0'; p++) {
> + if (*p == '/') {
> + *p = '\0';
> + if (mg_match_prefix(cgi_pat, strlen(cgi_pat), buf) > 0 &&
> + !stat(buf, st)) {
> + DBG(("!!!! [%s]", buf));
> + *p = '/';
> + conn->path_info = mg_strdup(p);
> + *p = '\0';
> + return 1;
> + }
> + *p = '/';
> + }
> + }
> +#endif
> +
> + return 0;
> +}
> +#endif // MONGOOSE_NO_FILESYSTEM
> +
> +static int should_keep_alive(const struct mg_connection *conn) {
> + struct connection *c = MG_CONN_2_CONN(conn);
> + const char *method = conn->request_method;
> + const char *http_version = conn->http_version;
> + const char *header = mg_get_header(conn, "Connection");
> + return method != NULL &&
> + (!strcmp(method, "GET") || c->endpoint_type == EP_USER) &&
> + ((header != NULL && !mg_strcasecmp(header, "keep-alive")) ||
> + (header == NULL && http_version && !strcmp(http_version, "1.1")));
> +}
> +
> +size_t mg_write(struct mg_connection *c, const void *buf, int len) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + ns_send(conn->ns_conn, buf, len);
> + return conn->ns_conn->send_iobuf.len;
> +}
> +
> +void mg_send_status(struct mg_connection *c, int status) {
> + if (c->status_code == 0) {
> + c->status_code = status;
> + mg_printf(c, "HTTP/1.1 %d %s\r\n", status, status_code_to_str(status));
> + }
> +}
> +
> +void mg_send_header(struct mg_connection *c, const char *name, const char *v) {
> + if (c->status_code == 0) {
> + c->status_code = 200;
> + mg_printf(c, "HTTP/1.1 %d %s\r\n", 200, status_code_to_str(200));
> + }
> + mg_printf(c, "%s: %s\r\n", name, v);
> +}
> +
> +static void terminate_headers(struct mg_connection *c) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + if (!(conn->ns_conn->flags & MG_HEADERS_SENT)) {
> + mg_send_header(c, "Transfer-Encoding", "chunked");
> + mg_write(c, "\r\n", 2);
> + conn->ns_conn->flags |= MG_HEADERS_SENT;
> + }
> +}
> +
> +size_t mg_send_data(struct mg_connection *c, const void *data, int data_len) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + terminate_headers(c);
> + write_chunk(MG_CONN_2_CONN(c), (const char *) data, data_len);
> + return conn->ns_conn->send_iobuf.len;
> +}
> +
> +size_t mg_printf_data(struct mg_connection *c, const char *fmt, ...) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + va_list ap;
> + int len;
> + char mem[IOBUF_SIZE], *buf = mem;
> +
> + terminate_headers(c);
> +
> + va_start(ap, fmt);
> + len = ns_avprintf(&buf, sizeof(mem), fmt, ap);
> + va_end(ap);
> +
> + if (len >= 0) {
> + write_chunk((struct connection *) conn, buf, len);
> + }
> + if (buf != mem && buf != NULL) {
> + free(buf);
> + }
> + return conn->ns_conn->send_iobuf.len;
> +}
> +
> +#if !defined(MONGOOSE_NO_WEBSOCKET) || !defined(MONGOOSE_NO_AUTH)
> +static int is_big_endian(void) {
> + static const int n = 1;
> + return ((char *) &n)[0] == 0;
> +}
> +#endif
> +
> +#ifndef MONGOOSE_NO_WEBSOCKET
> +// START OF SHA-1 code
> +// Copyright(c) By Steve Reid <steve at edmweb.com>
> +#define SHA1HANDSOFF
> +#if defined(__sun)
> +#include "solarisfixes.h"
> +#endif
> +
> +union char64long16 { unsigned char c[64]; uint32_t l[16]; };
> +
> +#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
> +
> +static uint32_t blk0(union char64long16 *block, int i) {
> + // Forrest: SHA expect BIG_ENDIAN, swap if LITTLE_ENDIAN
> + if (!is_big_endian()) {
> + block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) |
> + (rol(block->l[i], 8) & 0x00FF00FF);
> + }
> + return block->l[i];
> +}
> +
> +/* Avoid redefine warning (ARM /usr/include/sys/ucontext.h define R0~R4) */
> +#undef blk
> +#undef R0
> +#undef R1
> +#undef R2
> +#undef R3
> +#undef R4
> +
> +#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
> + ^block->l[(i+2)&15]^block->l[i&15],1))
> +#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(block, i)+0x5A827999+rol(v,5);w=rol(w,30);
> +#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
> +#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
> +#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
> +#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
> +
> +typedef struct {
> + uint32_t state[5];
> + uint32_t count[2];
> + unsigned char buffer[64];
> +} SHA1_CTX;
> +
> +static void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]) {
> + uint32_t a, b, c, d, e;
> + union char64long16 block[1];
> +
> + memcpy(block, buffer, 64);
> + a = state[0];
> + b = state[1];
> + c = state[2];
> + d = state[3];
> + e = state[4];
> + R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
> + R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
> + R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
> + R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
> + R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
> + R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
> + R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
> + R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
> + R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
> + R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
> + R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
> + R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
> + R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
> + R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
> + R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
> + R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
> + R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
> + R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
> + R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
> + R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
> + state[0] += a;
> + state[1] += b;
> + state[2] += c;
> + state[3] += d;
> + state[4] += e;
> + // Erase working structures. The order of operations is important,
> + // used to ensure that compiler doesn't optimize those out.
> + memset(block, 0, sizeof(block));
> + a = b = c = d = e = 0;
> + (void) a; (void) b; (void) c; (void) d; (void) e;
> +}
> +
> +static void SHA1Init(SHA1_CTX *context) {
> + context->state[0] = 0x67452301;
> + context->state[1] = 0xEFCDAB89;
> + context->state[2] = 0x98BADCFE;
> + context->state[3] = 0x10325476;
> + context->state[4] = 0xC3D2E1F0;
> + context->count[0] = context->count[1] = 0;
> +}
> +
> +static void SHA1Update(SHA1_CTX *context, const unsigned char *data,
> + uint32_t len) {
> + uint32_t i, j;
> +
> + j = context->count[0];
> + if ((context->count[0] += len << 3) < j)
> + context->count[1]++;
> + context->count[1] += (len>>29);
> + j = (j >> 3) & 63;
> + if ((j + len) > 63) {
> + memcpy(&context->buffer[j], data, (i = 64-j));
> + SHA1Transform(context->state, context->buffer);
> + for ( ; i + 63 < len; i += 64) {
> + SHA1Transform(context->state, &data[i]);
> + }
> + j = 0;
> + }
> + else i = 0;
> + memcpy(&context->buffer[j], &data[i], len - i);
> +}
> +
> +static void SHA1Final(unsigned char digest[20], SHA1_CTX *context) {
> + unsigned i;
> + unsigned char finalcount[8], c;
> +
> + for (i = 0; i < 8; i++) {
> + finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
> + >> ((3-(i & 3)) * 8) ) & 255);
> + }
> + c = 0200;
> + SHA1Update(context, &c, 1);
> + while ((context->count[0] & 504) != 448) {
> + c = 0000;
> + SHA1Update(context, &c, 1);
> + }
> + SHA1Update(context, finalcount, 8);
> + for (i = 0; i < 20; i++) {
> + digest[i] = (unsigned char)
> + ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
> + }
> + memset(context, '\0', sizeof(*context));
> + memset(&finalcount, '\0', sizeof(finalcount));
> +}
> +// END OF SHA1 CODE
> +
> +static void base64_encode(const unsigned char *src, int src_len, char *dst) {
> + static const char *b64 =
> + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
> + int i, j, a, b, c;
> +
> + for (i = j = 0; i < src_len; i += 3) {
> + a = src[i];
> + b = i + 1 >= src_len ? 0 : src[i + 1];
> + c = i + 2 >= src_len ? 0 : src[i + 2];
> +
> + dst[j++] = b64[a >> 2];
> + dst[j++] = b64[((a & 3) << 4) | (b >> 4)];
> + if (i + 1 < src_len) {
> + dst[j++] = b64[(b & 15) << 2 | (c >> 6)];
> + }
> + if (i + 2 < src_len) {
> + dst[j++] = b64[c & 63];
> + }
> + }
> + while (j % 4 != 0) {
> + dst[j++] = '=';
> + }
> + dst[j++] = '\0';
> +}
> +
> +static void send_websocket_handshake(struct mg_connection *conn,
> + const char *key) {
> + static const char *magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
> + char buf[500], sha[20], b64_sha[sizeof(sha) * 2];
> + SHA1_CTX sha_ctx;
> +
> + mg_snprintf(buf, sizeof(buf), "%s%s", key, magic);
> + SHA1Init(&sha_ctx);
> + SHA1Update(&sha_ctx, (unsigned char *) buf, strlen(buf));
> + SHA1Final((unsigned char *) sha, &sha_ctx);
> + base64_encode((unsigned char *) sha, sizeof(sha), b64_sha);
> + mg_snprintf(buf, sizeof(buf), "%s%s%s",
> + "HTTP/1.1 101 Switching Protocols\r\n"
> + "Upgrade: websocket\r\n"
> + "Connection: Upgrade\r\n"
> + "Sec-WebSocket-Accept: ", b64_sha, "\r\n\r\n");
> +
> + mg_write(conn, buf, strlen(buf));
> +}
> +
> +static int deliver_websocket_frame(struct connection *conn) {
> + // Having buf unsigned char * is important, as it is used below in arithmetic
> + unsigned char *buf = (unsigned char *) conn->ns_conn->recv_iobuf.buf;
> + int i, len, buf_len = conn->ns_conn->recv_iobuf.len, frame_len = 0,
> + mask_len = 0, header_len = 0, data_len = 0, buffered = 0;
> +
> + if (buf_len >= 2) {
> + len = buf[1] & 127;
> + mask_len = buf[1] & 128 ? 4 : 0;
> + if (len < 126 && buf_len >= mask_len) {
> + data_len = len;
> + header_len = 2 + mask_len;
> + } else if (len == 126 && buf_len >= 4 + mask_len) {
> + header_len = 4 + mask_len;
> + data_len = ((((int) buf[2]) << 8) + buf[3]);
> + } else if (buf_len >= 10 + mask_len) {
> + header_len = 10 + mask_len;
> + data_len = (int) (((uint64_t) htonl(* (uint32_t *) &buf[2])) << 32) +
> + htonl(* (uint32_t *) &buf[6]);
> + }
> + }
> +
> + frame_len = header_len + data_len;
> + buffered = frame_len > 0 && frame_len <= buf_len;
> +
> + if (buffered) {
> + conn->mg_conn.content_len = data_len;
> + conn->mg_conn.content = (char *) buf + header_len;
> + conn->mg_conn.wsbits = buf[0];
> +
> + // Apply mask if necessary
> + if (mask_len > 0) {
> + for (i = 0; i < data_len; i++) {
> + buf[i + header_len] ^= (buf + header_len - mask_len)[i % 4];
> + }
> + }
> +
> + // Call the handler and remove frame from the iobuf
> + if (call_user(conn, MG_REQUEST) == MG_FALSE) {
> + conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
> + }
> + iobuf_remove(&conn->ns_conn->recv_iobuf, frame_len);
> + }
> +
> + return buffered;
> +}
> +
> +size_t mg_websocket_write(struct mg_connection *conn, int opcode,
> + const char *data, size_t data_len) {
> + unsigned char mem[4192], *copy = mem;
> + size_t copy_len = 0;
> +
> + if (data_len + 10 > sizeof(mem) &&
> + (copy = (unsigned char *) malloc(data_len + 10)) == NULL) {
> + return 0;
> + }
> +
> + copy[0] = 0x80 + (opcode & 0x0f);
> +
> + // Frame format: http://tools.ietf.org/html/rfc6455#section-5.2
> + if (data_len < 126) {
> + // Inline 7-bit length field
> + copy[1] = data_len;
> + memcpy(copy + 2, data, data_len);
> + copy_len = 2 + data_len;
> + } else if (data_len <= 0xFFFF) {
> + // 16-bit length field
> + copy[1] = 126;
> + * (uint16_t *) (copy + 2) = (uint16_t) htons((uint16_t) data_len);
> + memcpy(copy + 4, data, data_len);
> + copy_len = 4 + data_len;
> + } else {
> + // 64-bit length field
> + copy[1] = 127;
> + * (uint32_t *) (copy + 2) = (uint32_t)
> + htonl((uint32_t) ((uint64_t) data_len >> 32));
> + * (uint32_t *) (copy + 6) = (uint32_t) htonl(data_len & 0xffffffff);
> + memcpy(copy + 10, data, data_len);
> + copy_len = 10 + data_len;
> + }
> +
> + if (copy_len > 0) {
> + mg_write(conn, copy, copy_len);
> + }
> + if (copy != mem) {
> + free(copy);
> + }
> +
> + // If we send closing frame, schedule a connection to be closed after
> + // data is drained to the client.
> + if (opcode == WEBSOCKET_OPCODE_CONNECTION_CLOSE) {
> + MG_CONN_2_CONN(conn)->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
> + }
> +
> + return MG_CONN_2_CONN(conn)->ns_conn->send_iobuf.len;
> +}
> +
> +size_t mg_websocket_printf(struct mg_connection *conn, int opcode,
> + const char *fmt, ...) {
> + char mem[4192], *buf = mem;
> + va_list ap;
> + int len;
> +
> + va_start(ap, fmt);
> + if ((len = ns_avprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
> + mg_websocket_write(conn, opcode, buf, len);
> + }
> + va_end(ap);
> +
> + if (buf != mem && buf != NULL) {
> + free(buf);
> + }
> +
> + return MG_CONN_2_CONN(conn)->ns_conn->send_iobuf.len;
> +}
> +
> +static void send_websocket_handshake_if_requested(struct mg_connection *conn) {
> + const char *ver = mg_get_header(conn, "Sec-WebSocket-Version"),
> + *key = mg_get_header(conn, "Sec-WebSocket-Key");
> + if (ver != NULL && key != NULL) {
> + conn->is_websocket = 1;
> + if (call_user(MG_CONN_2_CONN(conn), MG_WS_HANDSHAKE) == MG_FALSE) {
> + send_websocket_handshake(conn, key);
> + }
> + call_user(MG_CONN_2_CONN(conn), MG_WS_CONNECT);
> + }
> +}
> +
> +static void ping_idle_websocket_connection(struct connection *conn, time_t t) {
> + if (t - conn->ns_conn->last_io_time > MONGOOSE_USE_WEBSOCKET_PING_INTERVAL) {
> + mg_websocket_write(&conn->mg_conn, WEBSOCKET_OPCODE_PING, "", 0);
> + }
> +}
> +#else
> +#define ping_idle_websocket_connection(conn, t)
> +#endif // !MONGOOSE_NO_WEBSOCKET
> +
> +static void write_terminating_chunk(struct connection *conn) {
> + mg_write(&conn->mg_conn, "0\r\n\r\n", 5);
> +}
> +
> +static int call_request_handler(struct connection *conn) {
> + int result;
> + conn->mg_conn.content = conn->ns_conn->recv_iobuf.buf;
> + if ((result = call_user(conn, MG_REQUEST)) == MG_TRUE) {
> + if (conn->ns_conn->flags & MG_HEADERS_SENT) {
> + write_terminating_chunk(conn);
> + }
> + close_local_endpoint(conn);
> + }
> + return result;
> +}
> +
> +const char *mg_get_mime_type(const char *path, const char *default_mime_type) {
> + const char *ext;
> + size_t i, path_len;
> +
> + path_len = strlen(path);
> +
> + for (i = 0; static_builtin_mime_types[i].extension != NULL; i++) {
> + ext = path + (path_len - static_builtin_mime_types[i].ext_len);
> + if (path_len > static_builtin_mime_types[i].ext_len &&
> + mg_strcasecmp(ext, static_builtin_mime_types[i].extension) == 0) {
> + return static_builtin_mime_types[i].mime_type;
> + }
> + }
> +
> + return default_mime_type;
> +}
> +
> +#ifndef MONGOOSE_NO_FILESYSTEM
> +// Convert month to the month number. Return -1 on error, or month number
> +static int get_month_index(const char *s) {
> + static const char *month_names[] = {
> + "Jan", "Feb", "Mar", "Apr", "May", "Jun",
> + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
> + };
> + int i;
> +
> + for (i = 0; i < (int) ARRAY_SIZE(month_names); i++)
> + if (!strcmp(s, month_names[i]))
> + return i;
> +
> + return -1;
> +}
> +
> +static int num_leap_years(int year) {
> + return year / 4 - year / 100 + year / 400;
> +}
> +
> +// Parse UTC date-time string, and return the corresponding time_t value.
> +static time_t parse_date_string(const char *datetime) {
> + static const unsigned short days_before_month[] = {
> + 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
> + };
> + char month_str[32];
> + int second, minute, hour, day, month, year, leap_days, days;
> + time_t result = (time_t) 0;
> +
> + if (((sscanf(datetime, "%d/%3s/%d %d:%d:%d",
> + &day, month_str, &year, &hour, &minute, &second) == 6) ||
> + (sscanf(datetime, "%d %3s %d %d:%d:%d",
> + &day, month_str, &year, &hour, &minute, &second) == 6) ||
> + (sscanf(datetime, "%*3s, %d %3s %d %d:%d:%d",
> + &day, month_str, &year, &hour, &minute, &second) == 6) ||
> + (sscanf(datetime, "%d-%3s-%d %d:%d:%d",
> + &day, month_str, &year, &hour, &minute, &second) == 6)) &&
> + year > 1970 &&
> + (month = get_month_index(month_str)) != -1) {
> + leap_days = num_leap_years(year) - num_leap_years(1970);
> + year -= 1970;
> + days = year * 365 + days_before_month[month] + (day - 1) + leap_days;
> + result = days * 24 * 3600 + hour * 3600 + minute * 60 + second;
> + }
> +
> + return result;
> +}
> +
> +// Look at the "path" extension and figure what mime type it has.
> +// Store mime type in the vector.
> +static void get_mime_type(const struct mg_server *server, const char *path,
> + struct vec *vec) {
> + struct vec ext_vec, mime_vec;
> + const char *list, *ext;
> + size_t path_len;
> +
> + path_len = strlen(path);
> +
> + // Scan user-defined mime types first, in case user wants to
> + // override default mime types.
> + list = server->config_options[EXTRA_MIME_TYPES];
> + while ((list = next_option(list, &ext_vec, &mime_vec)) != NULL) {
> + // ext now points to the path suffix
> + ext = path + path_len - ext_vec.len;
> + if (mg_strncasecmp(ext, ext_vec.ptr, ext_vec.len) == 0) {
> + *vec = mime_vec;
> + return;
> + }
> + }
> +
> + vec->ptr = mg_get_mime_type(path, "text/plain");
> + vec->len = strlen(vec->ptr);
> +}
> +
> +static const char *suggest_connection_header(const struct mg_connection *conn) {
> + return should_keep_alive(conn) ? "keep-alive" : "close";
> +}
> +
> +static void construct_etag(char *buf, size_t buf_len, const file_stat_t *st) {
> + mg_snprintf(buf, buf_len, "\"%lx.%" INT64_FMT "\"",
> + (unsigned long) st->st_mtime, (int64_t) st->st_size);
> +}
> +
> +// Return True if we should reply 304 Not Modified.
> +static int is_not_modified(const struct connection *conn,
> + const file_stat_t *stp) {
> + char etag[64];
> + const char *ims = mg_get_header(&conn->mg_conn, "If-Modified-Since");
> + const char *inm = mg_get_header(&conn->mg_conn, "If-None-Match");
> + construct_etag(etag, sizeof(etag), stp);
> + return (inm != NULL && !mg_strcasecmp(etag, inm)) ||
> + (ims != NULL && stp->st_mtime <= parse_date_string(ims));
> +}
> +
> +// For given directory path, substitute it to valid index file.
> +// Return 0 if index file has been found, -1 if not found.
> +// If the file is found, it's stats is returned in stp.
> +static int find_index_file(struct connection *conn, char *path,
> + size_t path_len, file_stat_t *stp) {
> + const char *list = conn->server->config_options[INDEX_FILES];
> + file_stat_t st;
> + struct vec filename_vec;
> + size_t n = strlen(path), found = 0;
> +
> + // The 'path' given to us points to the directory. Remove all trailing
> + // directory separator characters from the end of the path, and
> + // then append single directory separator character.
> + while (n > 0 && path[n - 1] == '/') {
> + n--;
> + }
> + path[n] = '/';
> +
> + // Traverse index files list. For each entry, append it to the given
> + // path and see if the file exists. If it exists, break the loop
> + while ((list = next_option(list, &filename_vec, NULL)) != NULL) {
> +
> + // Ignore too long entries that may overflow path buffer
> + if (filename_vec.len > (int) (path_len - (n + 2)))
> + continue;
> +
> + // Prepare full path to the index file
> + strncpy(path + n + 1, filename_vec.ptr, filename_vec.len);
> + path[n + 1 + filename_vec.len] = '\0';
> +
> + //DBG(("[%s]", path));
> +
> + // Does it exist?
> + if (!stat(path, &st)) {
> + // Yes it does, break the loop
> + *stp = st;
> + found = 1;
> + break;
> + }
> + }
> +
> + // If no index file exists, restore directory path
> + if (!found) {
> + path[n] = '\0';
> + }
> +
> + return found;
> +}
> +
> +static int parse_range_header(const char *header, int64_t *a, int64_t *b) {
> + return sscanf(header, "bytes=%" INT64_FMT "-%" INT64_FMT, a, b);
> +}
> +
> +static void gmt_time_string(char *buf, size_t buf_len, time_t *t) {
> + strftime(buf, buf_len, "%a, %d %b %Y %H:%M:%S GMT", gmtime(t));
> +}
> +
> +static void open_file_endpoint(struct connection *conn, const char *path,
> + file_stat_t *st, const char *extra_headers) {
> + char date[64], lm[64], etag[64], range[64], headers[1000];
> + const char *msg = "OK", *hdr;
> + time_t curtime = time(NULL);
> + int64_t r1, r2;
> + struct vec mime_vec;
> + int n;
> +
> + conn->endpoint_type = EP_FILE;
> + ns_set_close_on_exec(conn->endpoint.fd);
> + conn->mg_conn.status_code = 200;
> +
> + get_mime_type(conn->server, path, &mime_vec);
> + conn->cl = st->st_size;
> + range[0] = '\0';
> +
> + // If Range: header specified, act accordingly
> + r1 = r2 = 0;
> + hdr = mg_get_header(&conn->mg_conn, "Range");
> + if (hdr != NULL && (n = parse_range_header(hdr, &r1, &r2)) > 0 &&
> + r1 >= 0 && r2 >= 0) {
> + conn->mg_conn.status_code = 206;
> + conn->cl = n == 2 ? (r2 > conn->cl ? conn->cl : r2) - r1 + 1: conn->cl - r1;
> + mg_snprintf(range, sizeof(range), "Content-Range: bytes "
> + "%" INT64_FMT "-%" INT64_FMT "/%" INT64_FMT "\r\n",
> + r1, r1 + conn->cl - 1, (int64_t) st->st_size);
> + msg = "Partial Content";
> + lseek(conn->endpoint.fd, r1, SEEK_SET);
> + }
> +
> + // Prepare Etag, Date, Last-Modified headers. Must be in UTC, according to
> + // http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3
> + gmt_time_string(date, sizeof(date), &curtime);
> + gmt_time_string(lm, sizeof(lm), &st->st_mtime);
> + construct_etag(etag, sizeof(etag), st);
> +
> + n = mg_snprintf(headers, sizeof(headers),
> + "HTTP/1.1 %d %s\r\n"
> + "Date: %s\r\n"
> + "Last-Modified: %s\r\n"
> + "Etag: %s\r\n"
> + "Content-Type: %.*s\r\n"
> + "Content-Length: %" INT64_FMT "\r\n"
> + "Connection: %s\r\n"
> + "Accept-Ranges: bytes\r\n"
> + "%s%s%s\r\n",
> + conn->mg_conn.status_code, msg, date, lm, etag,
> + (int) mime_vec.len, mime_vec.ptr, conn->cl,
> + suggest_connection_header(&conn->mg_conn),
> + range, extra_headers == NULL ? "" : extra_headers,
> + MONGOOSE_USE_EXTRA_HTTP_HEADERS);
> + ns_send(conn->ns_conn, headers, n);
> +
> + if (!strcmp(conn->mg_conn.request_method, "HEAD")) {
> + conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
> + close(conn->endpoint.fd);
> + conn->endpoint_type = EP_NONE;
> + }
> +}
> +
> +void mg_send_file_data(struct mg_connection *c, int fd) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + conn->endpoint_type = EP_FILE;
> + conn->endpoint.fd = fd;
> + ns_set_close_on_exec(conn->endpoint.fd);
> +}
> +#endif // MONGOOSE_NO_FILESYSTEM
> +
> +static void call_request_handler_if_data_is_buffered(struct connection *conn) {
> +#ifndef MONGOOSE_NO_WEBSOCKET
> + if (conn->mg_conn.is_websocket) {
> + do { } while (deliver_websocket_frame(conn));
> + } else
> +#endif
> + if (conn->num_bytes_recv >= (conn->cl + conn->request_len) &&
> + call_request_handler(conn) == MG_FALSE) {
> + open_local_endpoint(conn, 1);
> + }
> +}
> +
> +#if !defined(MONGOOSE_NO_DIRECTORY_LISTING) || !defined(MONGOOSE_NO_DAV)
> +
> +#ifdef _WIN32
> +struct dirent {
> + char d_name[MAX_PATH_SIZE];
> +};
> +
> +typedef struct DIR {
> + HANDLE handle;
> + WIN32_FIND_DATAW info;
> + struct dirent result;
> +} DIR;
> +
> +// Implementation of POSIX opendir/closedir/readdir for Windows.
> +static DIR *opendir(const char *name) {
> + DIR *dir = NULL;
> + wchar_t wpath[MAX_PATH_SIZE];
> + DWORD attrs;
> +
> + if (name == NULL) {
> + SetLastError(ERROR_BAD_ARGUMENTS);
> + } else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
> + SetLastError(ERROR_NOT_ENOUGH_MEMORY);
> + } else {
> + to_wchar(name, wpath, ARRAY_SIZE(wpath));
> + attrs = GetFileAttributesW(wpath);
> + if (attrs != 0xFFFFFFFF &&
> + ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
> + (void) wcscat(wpath, L"\\*");
> + dir->handle = FindFirstFileW(wpath, &dir->info);
> + dir->result.d_name[0] = '\0';
> + } else {
> + free(dir);
> + dir = NULL;
> + }
> + }
> +
> + return dir;
> +}
> +
> +static int closedir(DIR *dir) {
> + int result = 0;
> +
> + if (dir != NULL) {
> + if (dir->handle != INVALID_HANDLE_VALUE)
> + result = FindClose(dir->handle) ? 0 : -1;
> +
> + free(dir);
> + } else {
> + result = -1;
> + SetLastError(ERROR_BAD_ARGUMENTS);
> + }
> +
> + return result;
> +}
> +
> +static struct dirent *readdir(DIR *dir) {
> + struct dirent *result = 0;
> +
> + if (dir) {
> + if (dir->handle != INVALID_HANDLE_VALUE) {
> + result = &dir->result;
> + (void) WideCharToMultiByte(CP_UTF8, 0,
> + dir->info.cFileName, -1, result->d_name,
> + sizeof(result->d_name), NULL, NULL);
> +
> + if (!FindNextFileW(dir->handle, &dir->info)) {
> + (void) FindClose(dir->handle);
> + dir->handle = INVALID_HANDLE_VALUE;
> + }
> +
> + } else {
> + SetLastError(ERROR_FILE_NOT_FOUND);
> + }
> + } else {
> + SetLastError(ERROR_BAD_ARGUMENTS);
> + }
> +
> + return result;
> +}
> +#endif // _WIN32 POSIX opendir/closedir/readdir implementation
> +
> +static int scan_directory(struct connection *conn, const char *dir,
> + struct dir_entry **arr) {
> + char path[MAX_PATH_SIZE];
> + struct dir_entry *p;
> + struct dirent *dp;
> + int arr_size = 0, arr_ind = 0, inc = 100;
> + DIR *dirp;
> +
> + *arr = NULL;
> + if ((dirp = (opendir(dir))) == NULL) return 0;
> +
> + while ((dp = readdir(dirp)) != NULL) {
> + // Do not show current dir and hidden files
> + if (!strcmp(dp->d_name, ".") ||
> + !strcmp(dp->d_name, "..") ||
> + must_hide_file(conn, dp->d_name)) {
> + continue;
> + }
> + mg_snprintf(path, sizeof(path), "%s%c%s", dir, '/', dp->d_name);
> +
> + // Resize the array if nesessary
> + if (arr_ind >= arr_size) {
> + if ((p = (struct dir_entry *)
> + realloc(*arr, (inc + arr_size) * sizeof(**arr))) != NULL) {
> + // Memset new chunk to zero, otherwize st_mtime will have garbage which
> + // can make strftime() segfault, see
> + // http://code.google.com/p/mongoose/issues/detail?id=79
> + memset(p + arr_size, 0, sizeof(**arr) * inc);
> +
> + *arr = p;
> + arr_size += inc;
> + }
> + }
> +
> + if (arr_ind < arr_size) {
> + (*arr)[arr_ind].conn = conn;
> + (*arr)[arr_ind].file_name = strdup(dp->d_name);
> + stat(path, &(*arr)[arr_ind].st);
> + arr_ind++;
> + }
> + }
> + closedir(dirp);
> +
> + return arr_ind;
> +}
> +
> +int mg_url_encode(const char *src, size_t s_len, char *dst, size_t dst_len) {
> + static const char *dont_escape = "._-$,;~()";
> + static const char *hex = "0123456789abcdef";
> + size_t i = 0, j = 0;
> +
> + for (i = j = 0; dst_len > 0 && i < s_len && j + 2 < dst_len - 1; i++, j++) {
> + if (isalnum(* (const unsigned char *) (src + i)) ||
> + strchr(dont_escape, * (const unsigned char *) (src + i)) != NULL) {
> + dst[j] = src[i];
> + } else if (j + 3 < dst_len) {
> + dst[j] = '%';
> + dst[j + 1] = hex[(* (const unsigned char *) (src + i)) >> 4];
> + dst[j + 2] = hex[(* (const unsigned char *) (src + i)) & 0xf];
> + j += 2;
> + }
> + }
> +
> + dst[j] = '\0';
> + return j;
> +}
> +#endif // !NO_DIRECTORY_LISTING || !MONGOOSE_NO_DAV
> +
> +#ifndef MONGOOSE_NO_DIRECTORY_LISTING
> +
> +static void print_dir_entry(const struct dir_entry *de) {
> + char size[64], mod[64], href[MAX_PATH_SIZE * 3];
> + int64_t fsize = de->st.st_size;
> + int is_dir = S_ISDIR(de->st.st_mode);
> + const char *slash = is_dir ? "/" : "";
> +
> + if (is_dir) {
> + mg_snprintf(size, sizeof(size), "%s", "[DIRECTORY]");
> + } else {
> + // We use (signed) cast below because MSVC 6 compiler cannot
> + // convert unsigned __int64 to double.
> + if (fsize < 1024) {
> + mg_snprintf(size, sizeof(size), "%d", (int) fsize);
> + } else if (fsize < 0x100000) {
> + mg_snprintf(size, sizeof(size), "%.1fk", (double) fsize / 1024.0);
> + } else if (fsize < 0x40000000) {
> + mg_snprintf(size, sizeof(size), "%.1fM", (double) fsize / 1048576);
> + } else {
> + mg_snprintf(size, sizeof(size), "%.1fG", (double) fsize / 1073741824);
> + }
> + }
> + strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M", localtime(&de->st.st_mtime));
> + mg_url_encode(de->file_name, strlen(de->file_name), href, sizeof(href));
> + mg_printf_data(&de->conn->mg_conn,
> + "<tr><td><a href=\"%s%s\">%s%s</a></td>"
> + "<td> %s</td><td> %s</td></tr>\n",
> + href, slash, de->file_name, slash, mod, size);
> +}
> +
> +// Sort directory entries by size, or name, or modification time.
> +// On windows, __cdecl specification is needed in case if project is built
> +// with __stdcall convention. qsort always requires __cdels callback.
> +static int __cdecl compare_dir_entries(const void *p1, const void *p2) {
> + const struct dir_entry *a = (const struct dir_entry *) p1,
> + *b = (const struct dir_entry *) p2;
> + const char *qs = a->conn->mg_conn.query_string ?
> + a->conn->mg_conn.query_string : "na";
> + int cmp_result = 0;
> +
> + if (S_ISDIR(a->st.st_mode) && !S_ISDIR(b->st.st_mode)) {
> + return -1; // Always put directories on top
> + } else if (!S_ISDIR(a->st.st_mode) && S_ISDIR(b->st.st_mode)) {
> + return 1; // Always put directories on top
> + } else if (*qs == 'n') {
> + cmp_result = strcmp(a->file_name, b->file_name);
> + } else if (*qs == 's') {
> + cmp_result = a->st.st_size == b->st.st_size ? 0 :
> + a->st.st_size > b->st.st_size ? 1 : -1;
> + } else if (*qs == 'd') {
> + cmp_result = a->st.st_mtime == b->st.st_mtime ? 0 :
> + a->st.st_mtime > b->st.st_mtime ? 1 : -1;
> + }
> +
> + return qs[1] == 'd' ? -cmp_result : cmp_result;
> +}
> +
> +static void send_directory_listing(struct connection *conn, const char *dir) {
> + struct dir_entry *arr = NULL;
> + int i, num_entries, sort_direction = conn->mg_conn.query_string != NULL &&
> + conn->mg_conn.query_string[1] == 'd' ? 'a' : 'd';
> +
> + mg_send_header(&conn->mg_conn, "Transfer-Encoding", "chunked");
> + mg_send_header(&conn->mg_conn, "Content-Type", "text/html; charset=utf-8");
> +
> + mg_printf_data(&conn->mg_conn,
> + "<html><head><title>Index of %s</title>"
> + "<style>th {text-align: left;}</style></head>"
> + "<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
> + "<tr><th><a href=\"?n%c\">Name</a></th>"
> + "<th><a href=\"?d%c\">Modified</a></th>"
> + "<th><a href=\"?s%c\">Size</a></th></tr>"
> + "<tr><td colspan=\"3\"><hr></td></tr>",
> + conn->mg_conn.uri, conn->mg_conn.uri,
> + sort_direction, sort_direction, sort_direction);
> +
> + num_entries = scan_directory(conn, dir, &arr);
> + qsort(arr, num_entries, sizeof(arr[0]), compare_dir_entries);
> + for (i = 0; i < num_entries; i++) {
> + print_dir_entry(&arr[i]);
> + free(arr[i].file_name);
> + }
> + free(arr);
> +
> + write_terminating_chunk(conn);
> + close_local_endpoint(conn);
> +}
> +#endif // MONGOOSE_NO_DIRECTORY_LISTING
> +
> +#ifndef MONGOOSE_NO_DAV
> +static void print_props(struct connection *conn, const char *uri,
> + file_stat_t *stp) {
> + char mtime[64];
> +
> + gmt_time_string(mtime, sizeof(mtime), &stp->st_mtime);
> + mg_printf(&conn->mg_conn,
> + "<d:response>"
> + "<d:href>%s</d:href>"
> + "<d:propstat>"
> + "<d:prop>"
> + "<d:resourcetype>%s</d:resourcetype>"
> + "<d:getcontentlength>%" INT64_FMT "</d:getcontentlength>"
> + "<d:getlastmodified>%s</d:getlastmodified>"
> + "</d:prop>"
> + "<d:status>HTTP/1.1 200 OK</d:status>"
> + "</d:propstat>"
> + "</d:response>\n",
> + uri, S_ISDIR(stp->st_mode) ? "<d:collection/>" : "",
> + (int64_t) stp->st_size, mtime);
> +}
> +
> +static void handle_propfind(struct connection *conn, const char *path,
> + file_stat_t *stp, int exists) {
> + static const char header[] = "HTTP/1.1 207 Multi-Status\r\n"
> + "Connection: close\r\n"
> + "Content-Type: text/xml; charset=utf-8\r\n\r\n"
> + "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
> + "<d:multistatus xmlns:d='DAV:'>\n";
> + static const char footer[] = "</d:multistatus>";
> + const char *depth = mg_get_header(&conn->mg_conn, "Depth");
> +#ifdef MONGOOSE_NO_DIRECTORY_LISTING
> + const char *list_dir = "no";
> +#else
> + const char *list_dir = conn->server->config_options[ENABLE_DIRECTORY_LISTING];
> +#endif
> +
> + conn->mg_conn.status_code = 207;
> +
> + // Print properties for the requested resource itself
> + if (!exists) {
> + conn->mg_conn.status_code = 404;
> + mg_printf(&conn->mg_conn, "%s", "HTTP/1.1 404 Not Found\r\n\r\n");
> + } else if (S_ISDIR(stp->st_mode) && mg_strcasecmp(list_dir, "yes") != 0) {
> + conn->mg_conn.status_code = 403;
> + mg_printf(&conn->mg_conn, "%s",
> + "HTTP/1.1 403 Directory Listing Denied\r\n\r\n");
> + } else {
> + ns_send(conn->ns_conn, header, sizeof(header) - 1);
> + print_props(conn, conn->mg_conn.uri, stp);
> +
> + if (S_ISDIR(stp->st_mode) &&
> + (depth == NULL || strcmp(depth, "0") != 0)) {
> + struct dir_entry *arr = NULL;
> + int i, num_entries = scan_directory(conn, path, &arr);
> +
> + for (i = 0; i < num_entries; i++) {
> + char buf[MAX_PATH_SIZE * 3];
> + struct dir_entry *de = &arr[i];
> + mg_url_encode(de->file_name, strlen(de->file_name), buf, sizeof(buf));
> + print_props(conn, buf, &de->st);
> + free(de->file_name);
> + }
> + free(arr);
> + }
> + ns_send(conn->ns_conn, footer, sizeof(footer) - 1);
> + }
> +
> + close_local_endpoint(conn);
> +}
> +
> +static void handle_mkcol(struct connection *conn, const char *path) {
> + int status_code = 500;
> +
> + if (conn->mg_conn.content_len > 0) {
> + status_code = 415;
> + } else if (!mkdir(path, 0755)) {
> + status_code = 201;
> + } else if (errno == EEXIST) {
> + status_code = 405;
> + } else if (errno == EACCES) {
> + status_code = 403;
> + } else if (errno == ENOENT) {
> + status_code = 409;
> + }
> + send_http_error(conn, status_code, NULL);
> +}
> +
> +static int remove_directory(const char *dir) {
> + char path[MAX_PATH_SIZE];
> + struct dirent *dp;
> + file_stat_t st;
> + DIR *dirp;
> +
> + if ((dirp = opendir(dir)) == NULL) return 0;
> +
> + while ((dp = readdir(dirp)) != NULL) {
> + if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) continue;
> + mg_snprintf(path, sizeof(path), "%s%c%s", dir, '/', dp->d_name);
> + stat(path, &st);
> + if (S_ISDIR(st.st_mode)) {
> + remove_directory(path);
> + } else {
> + remove(path);
> + }
> + }
> + closedir(dirp);
> + rmdir(dir);
> +
> + return 1;
> +}
> +
> +static void handle_delete(struct connection *conn, const char *path) {
> + file_stat_t st;
> +
> + if (stat(path, &st) != 0) {
> + send_http_error(conn, 404, NULL);
> + } else if (S_ISDIR(st.st_mode)) {
> + remove_directory(path);
> + send_http_error(conn, 204, NULL);
> + } else if (remove(path) == 0) {
> + send_http_error(conn, 204, NULL);
> + } else {
> + send_http_error(conn, 423, NULL);
> + }
> +}
> +
> +// For a given PUT path, create all intermediate subdirectories
> +// for given path. Return 0 if the path itself is a directory,
> +// or -1 on error, 1 if OK.
> +static int put_dir(const char *path) {
> + char buf[MAX_PATH_SIZE];
> + const char *s, *p;
> + file_stat_t st;
> +
> + // Create intermediate directories if they do not exist
> + for (s = p = path + 1; (p = strchr(s, '/')) != NULL; s = ++p) {
> + if (p - path >= (int) sizeof(buf)) return -1; // Buffer overflow
> + memcpy(buf, path, p - path);
> + buf[p - path] = '\0';
> + if (stat(buf, &st) != 0 && mkdir(buf, 0755) != 0) return -1;
> + if (p[1] == '\0') return 0; // Path is a directory itself
> + }
> +
> + return 1;
> +}
> +
> +static void handle_put(struct connection *conn, const char *path) {
> + file_stat_t st;
> + const char *range, *cl_hdr = mg_get_header(&conn->mg_conn, "Content-Length");
> + int64_t r1, r2;
> + int rc;
> +
> + conn->mg_conn.status_code = !stat(path, &st) ? 200 : 201;
> + if ((rc = put_dir(path)) == 0) {
> + mg_printf(&conn->mg_conn, "HTTP/1.1 %d OK\r\n\r\n",
> + conn->mg_conn.status_code);
> + close_local_endpoint(conn);
> + } else if (rc == -1) {
> + send_http_error(conn, 500, "put_dir: %s", strerror(errno));
> + } else if (cl_hdr == NULL) {
> + send_http_error(conn, 411, NULL);
> + } else if ((conn->endpoint.fd =
> + open(path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0644)) < 0) {
> + send_http_error(conn, 500, "open(%s): %s", path, strerror(errno));
> + } else {
> + DBG(("PUT [%s] %lu", path, (unsigned long) conn->ns_conn->recv_iobuf.len));
> + conn->endpoint_type = EP_PUT;
> + ns_set_close_on_exec(conn->endpoint.fd);
> + range = mg_get_header(&conn->mg_conn, "Content-Range");
> + conn->cl = to64(cl_hdr);
> + r1 = r2 = 0;
> + if (range != NULL && parse_range_header(range, &r1, &r2) > 0) {
> + conn->mg_conn.status_code = 206;
> + lseek(conn->endpoint.fd, r1, SEEK_SET);
> + conn->cl = r2 > r1 ? r2 - r1 + 1: conn->cl - r1;
> + }
> + mg_printf(&conn->mg_conn, "HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n",
> + conn->mg_conn.status_code);
> + }
> +}
> +
> +static void forward_put_data(struct connection *conn) {
> + struct iobuf *io = &conn->ns_conn->recv_iobuf;
> + size_t k = conn->cl < (int64_t) io->len ? conn->cl : (int64_t) io->len; // To write
> + int n = write(conn->endpoint.fd, io->buf, k); // Write them!
> + if (n > 0) {
> + iobuf_remove(io, n);
> + conn->cl -= n;
> + }
> + if (conn->cl <= 0) {
> + close_local_endpoint(conn);
> + }
> +}
> +#endif // MONGOOSE_NO_DAV
> +
> +static void send_options(struct connection *conn) {
> + conn->mg_conn.status_code = 200;
> + mg_printf(&conn->mg_conn, "%s",
> + "HTTP/1.1 200 OK\r\nAllow: GET, POST, HEAD, CONNECT, PUT, "
> + "DELETE, OPTIONS, PROPFIND, MKCOL\r\nDAV: 1\r\n\r\n");
> + close_local_endpoint(conn);
> +}
> +
> +#ifndef MONGOOSE_NO_AUTH
> +void mg_send_digest_auth_request(struct mg_connection *c) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + c->status_code = 401;
> + mg_printf(c,
> + "HTTP/1.1 401 Unauthorized\r\n"
> + "WWW-Authenticate: Digest qop=\"auth\", "
> + "realm=\"%s\", nonce=\"%lu\"\r\n\r\n",
> + conn->server->config_options[AUTH_DOMAIN],
> + (unsigned long) time(NULL));
> + close_local_endpoint(conn);
> +}
> +
> +// Use the global passwords file, if specified by auth_gpass option,
> +// or search for .htpasswd in the requested directory.
> +static FILE *open_auth_file(struct connection *conn, const char *path,
> + int is_directory) {
> + char name[MAX_PATH_SIZE];
> + const char *p, *gpass = conn->server->config_options[GLOBAL_AUTH_FILE];
> + FILE *fp = NULL;
> +
> + if (gpass != NULL) {
> + // Use global passwords file
> + fp = fopen(gpass, "r");
> + } else if (is_directory) {
> + mg_snprintf(name, sizeof(name), "%s%c%s", path, '/', PASSWORDS_FILE_NAME);
> + fp = fopen(name, "r");
> + } else {
> + // Try to find .htpasswd in requested directory.
> + if ((p = strrchr(path, '/')) == NULL) p = path;
> + mg_snprintf(name, sizeof(name), "%.*s%c%s",
> + (int) (p - path), path, '/', PASSWORDS_FILE_NAME);
> + fp = fopen(name, "r");
> + }
> +
> + return fp;
> +}
> +
> +#if !defined(HAVE_MD5) && !defined(MONGOOSE_NO_AUTH)
> +typedef struct MD5Context {
> + uint32_t buf[4];
> + uint32_t bits[2];
> + unsigned char in[64];
> +} MD5_CTX;
> +
> +static void byteReverse(unsigned char *buf, unsigned longs) {
> + uint32_t t;
> +
> + // Forrest: MD5 expect LITTLE_ENDIAN, swap if BIG_ENDIAN
> + if (is_big_endian()) {
> + do {
> + t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
> + ((unsigned) buf[1] << 8 | buf[0]);
> + * (uint32_t *) buf = t;
> + buf += 4;
> + } while (--longs);
> + }
> +}
> +
> +#define F1(x, y, z) (z ^ (x & (y ^ z)))
> +#define F2(x, y, z) F1(z, x, y)
> +#define F3(x, y, z) (x ^ y ^ z)
> +#define F4(x, y, z) (y ^ (x | ~z))
> +
> +#define MD5STEP(f, w, x, y, z, data, s) \
> + ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
> +
> +// Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
> +// initialization constants.
> +static void MD5Init(MD5_CTX *ctx) {
> + ctx->buf[0] = 0x67452301;
> + ctx->buf[1] = 0xefcdab89;
> + ctx->buf[2] = 0x98badcfe;
> + ctx->buf[3] = 0x10325476;
> +
> + ctx->bits[0] = 0;
> + ctx->bits[1] = 0;
> +}
> +
> +static void MD5Transform(uint32_t buf[4], uint32_t const in[16]) {
> + register uint32_t a, b, c, d;
> +
> + a = buf[0];
> + b = buf[1];
> + c = buf[2];
> + d = buf[3];
> +
> + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
> + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
> + MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
> + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
> + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
> + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
> + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
> + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
> + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
> + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
> + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
> + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
> + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
> + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
> + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
> + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
> +
> + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
> + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
> + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
> + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
> + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
> + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
> + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
> + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
> + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
> + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
> + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
> + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
> + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
> + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
> + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
> + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
> +
> + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
> + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
> + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
> + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
> + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
> + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
> + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
> + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
> + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
> + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
> + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
> + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
> + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
> + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
> + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
> + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
> +
> + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
> + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
> + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
> + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
> + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
> + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
> + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
> + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
> + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
> + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
> + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
> + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
> + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
> + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
> + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
> + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
> +
> + buf[0] += a;
> + buf[1] += b;
> + buf[2] += c;
> + buf[3] += d;
> +}
> +
> +static void MD5Update(MD5_CTX *ctx, unsigned char const *buf, unsigned len) {
> + uint32_t t;
> +
> + t = ctx->bits[0];
> + if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
> + ctx->bits[1]++;
> + ctx->bits[1] += len >> 29;
> +
> + t = (t >> 3) & 0x3f;
> +
> + if (t) {
> + unsigned char *p = (unsigned char *) ctx->in + t;
> +
> + t = 64 - t;
> + if (len < t) {
> + memcpy(p, buf, len);
> + return;
> + }
> + memcpy(p, buf, t);
> + byteReverse(ctx->in, 16);
> + MD5Transform(ctx->buf, (uint32_t *) ctx->in);
> + buf += t;
> + len -= t;
> + }
> +
> + while (len >= 64) {
> + memcpy(ctx->in, buf, 64);
> + byteReverse(ctx->in, 16);
> + MD5Transform(ctx->buf, (uint32_t *) ctx->in);
> + buf += 64;
> + len -= 64;
> + }
> +
> + memcpy(ctx->in, buf, len);
> +}
> +
> +static void MD5Final(unsigned char digest[16], MD5_CTX *ctx) {
> + unsigned count;
> + unsigned char *p;
> + uint32_t *a;
> +
> + count = (ctx->bits[0] >> 3) & 0x3F;
> +
> + p = ctx->in + count;
> + *p++ = 0x80;
> + count = 64 - 1 - count;
> + if (count < 8) {
> + memset(p, 0, count);
> + byteReverse(ctx->in, 16);
> + MD5Transform(ctx->buf, (uint32_t *) ctx->in);
> + memset(ctx->in, 0, 56);
> + } else {
> + memset(p, 0, count - 8);
> + }
> + byteReverse(ctx->in, 14);
> +
> + a = (uint32_t *)ctx->in;
> + a[14] = ctx->bits[0];
> + a[15] = ctx->bits[1];
> +
> + MD5Transform(ctx->buf, (uint32_t *) ctx->in);
> + byteReverse((unsigned char *) ctx->buf, 4);
> + memcpy(digest, ctx->buf, 16);
> + memset((char *) ctx, 0, sizeof(*ctx));
> +}
> +#endif // !HAVE_MD5
> +
> +
> +
> +// Stringify binary data. Output buffer must be twice as big as input,
> +// because each byte takes 2 bytes in string representation
> +static void bin2str(char *to, const unsigned char *p, size_t len) {
> + static const char *hex = "0123456789abcdef";
> +
> + for (; len--; p++) {
> + *to++ = hex[p[0] >> 4];
> + *to++ = hex[p[0] & 0x0f];
> + }
> + *to = '\0';
> +}
> +
> +// Return stringified MD5 hash for list of strings. Buffer must be 33 bytes.
> +char *mg_md5(char buf[33], ...) {
> + unsigned char hash[16];
> + const char *p;
> + va_list ap;
> + MD5_CTX ctx;
> +
> + MD5Init(&ctx);
> +
> + va_start(ap, buf);
> + while ((p = va_arg(ap, const char *)) != NULL) {
> + MD5Update(&ctx, (const unsigned char *) p, (unsigned) strlen(p));
> + }
> + va_end(ap);
> +
> + MD5Final(hash, &ctx);
> + bin2str(buf, hash, sizeof(hash));
> + return buf;
> +}
> +
> +// Check the user's password, return 1 if OK
> +static int check_password(const char *method, const char *ha1, const char *uri,
> + const char *nonce, const char *nc, const char *cnonce,
> + const char *qop, const char *response) {
> + char ha2[32 + 1], expected_response[32 + 1];
> +
> +#if 0
> + // Check for authentication timeout
> + if ((unsigned long) time(NULL) - (unsigned long) to64(nonce) > 3600 * 2) {
> + return 0;
> + }
> +#endif
> +
> + mg_md5(ha2, method, ":", uri, NULL);
> + mg_md5(expected_response, ha1, ":", nonce, ":", nc,
> + ":", cnonce, ":", qop, ":", ha2, NULL);
> +
> + return mg_strcasecmp(response, expected_response) == 0 ? MG_TRUE : MG_FALSE;
> +}
> +
> +
> +// Authorize against the opened passwords file. Return 1 if authorized.
> +int mg_authorize_digest(struct mg_connection *c, FILE *fp) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + const char *hdr;
> + char line[256], f_user[256], ha1[256], f_domain[256], user[100], nonce[100],
> + uri[MAX_REQUEST_SIZE], cnonce[100], resp[100], qop[100], nc[100];
> +
> + if (c == NULL || fp == NULL) return 0;
> + if ((hdr = mg_get_header(c, "Authorization")) == NULL ||
> + mg_strncasecmp(hdr, "Digest ", 7) != 0) return 0;
> + if (!mg_parse_header(hdr, "username", user, sizeof(user))) return 0;
> + if (!mg_parse_header(hdr, "cnonce", cnonce, sizeof(cnonce))) return 0;
> + if (!mg_parse_header(hdr, "response", resp, sizeof(resp))) return 0;
> + if (!mg_parse_header(hdr, "uri", uri, sizeof(uri))) return 0;
> + if (!mg_parse_header(hdr, "qop", qop, sizeof(qop))) return 0;
> + if (!mg_parse_header(hdr, "nc", nc, sizeof(nc))) return 0;
> + if (!mg_parse_header(hdr, "nonce", nonce, sizeof(nonce))) return 0;
> +
> + while (fgets(line, sizeof(line), fp) != NULL) {
> + if (sscanf(line, "%[^:]:%[^:]:%s", f_user, f_domain, ha1) == 3 &&
> + !strcmp(user, f_user) &&
> + // NOTE(lsm): due to a bug in MSIE, we do not compare URIs
> + !strcmp(conn->server->config_options[AUTH_DOMAIN], f_domain))
> + return check_password(c->request_method, ha1, uri,
> + nonce, nc, cnonce, qop, resp);
> + }
> + return MG_FALSE;
> +}
> +
> +
> +// Return 1 if request is authorised, 0 otherwise.
> +static int is_authorized(struct connection *conn, const char *path,
> + int is_directory) {
> + FILE *fp;
> + int authorized = MG_TRUE;
> +
> + if ((fp = open_auth_file(conn, path, is_directory)) != NULL) {
> + authorized = mg_authorize_digest(&conn->mg_conn, fp);
> + fclose(fp);
> + }
> +
> + return authorized;
> +}
> +
> +static int is_authorized_for_dav(struct connection *conn) {
> + const char *auth_file = conn->server->config_options[DAV_AUTH_FILE];
> + const char *method = conn->mg_conn.request_method;
> + FILE *fp;
> + int authorized = MG_FALSE;
> +
> + // If dav_auth_file is not set, allow non-authorized PROPFIND
> + if (method != NULL && !strcmp(method, "PROPFIND") && auth_file == NULL) {
> + authorized = MG_TRUE;
> + } else if (auth_file != NULL && (fp = fopen(auth_file, "r")) != NULL) {
> + authorized = mg_authorize_digest(&conn->mg_conn, fp);
> + fclose(fp);
> + }
> +
> + return authorized;
> +}
> +
> +static int is_dav_request(const struct connection *conn) {
> + const char *s = conn->mg_conn.request_method;
> + return !strcmp(s, "PUT") || !strcmp(s, "DELETE") ||
> + !strcmp(s, "MKCOL") || !strcmp(s, "PROPFIND");
> +}
> +#endif // MONGOOSE_NO_AUTH
> +
> +static int parse_header(const char *str, int str_len, const char *var_name,
> + char *buf, size_t buf_size) {
> + int ch = ' ', len = 0, n = strlen(var_name);
> + const char *p, *end = str + str_len, *s = NULL;
> +
> + if (buf != NULL && buf_size > 0) buf[0] = '\0';
> +
> + // Find where variable starts
> + for (s = str; s != NULL && s + n < end; s++) {
> + if ((s == str || s[-1] == ' ' || s[-1] == ',') && s[n] == '=' &&
> + !memcmp(s, var_name, n)) break;
> + }
> +
> + if (s != NULL && &s[n + 1] < end) {
> + s += n + 1;
> + if (*s == '"' || *s == '\'') ch = *s++;
> + p = s;
> + while (p < end && p[0] != ch && p[0] != ',' && len < (int) buf_size) {
> + if (p[0] == '\\' && p[1] == ch) p++;
> + buf[len++] = *p++;
> + }
> + if (len >= (int) buf_size || (ch != ' ' && *p != ch)) {
> + len = 0;
> + } else {
> + if (len > 0 && s[len - 1] == ',') len--;
> + if (len > 0 && s[len - 1] == ';') len--;
> + buf[len] = '\0';
> + }
> + }
> +
> + return len;
> +}
> +
> +int mg_parse_header(const char *s, const char *var_name, char *buf,
> + size_t buf_size) {
> + return parse_header(s, s == NULL ? 0 : strlen(s), var_name, buf, buf_size);
> +}
> +
> +#ifndef MONGOOSE_NO_SSI
> +static void send_ssi_file(struct mg_connection *, const char *, FILE *, int);
> +
> +static void send_file_data(struct mg_connection *conn, FILE *fp) {
> + char buf[IOBUF_SIZE];
> + int n;
> + while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
> + mg_write(conn, buf, n);
> + }
> +}
> +
> +static void do_ssi_include(struct mg_connection *conn, const char *ssi,
> + char *tag, int include_level) {
> + char file_name[IOBUF_SIZE], path[MAX_PATH_SIZE], *p;
> + char **opts = (MG_CONN_2_CONN(conn))->server->config_options;
> + FILE *fp;
> +
> + // sscanf() is safe here, since send_ssi_file() also uses buffer
> + // of size MG_BUF_LEN to get the tag. So strlen(tag) is always < MG_BUF_LEN.
> + if (sscanf(tag, " virtual=\"%[^\"]\"", file_name) == 1) {
> + // File name is relative to the webserver root
> + mg_snprintf(path, sizeof(path), "%s%c%s",
> + opts[DOCUMENT_ROOT], '/', file_name);
> + } else if (sscanf(tag, " abspath=\"%[^\"]\"", file_name) == 1) {
> + // File name is relative to the webserver working directory
> + // or it is absolute system path
> + mg_snprintf(path, sizeof(path), "%s", file_name);
> + } else if (sscanf(tag, " file=\"%[^\"]\"", file_name) == 1 ||
> + sscanf(tag, " \"%[^\"]\"", file_name) == 1) {
> + // File name is relative to the currect document
> + mg_snprintf(path, sizeof(path), "%s", ssi);
> + if ((p = strrchr(path, '/')) != NULL) {
> + p[1] = '\0';
> + }
> + mg_snprintf(path + strlen(path), sizeof(path) - strlen(path), "%s",
> + file_name);
> + } else {
> + mg_printf(conn, "Bad SSI #include: [%s]", tag);
> + return;
> + }
> +
> + if ((fp = fopen(path, "rb")) == NULL) {
> + mg_printf(conn, "Cannot open SSI #include: [%s]: fopen(%s): %s",
> + tag, path, strerror(errno));
> + } else {
> + ns_set_close_on_exec(fileno(fp));
> + if (mg_match_prefix(opts[SSI_PATTERN], strlen(opts[SSI_PATTERN]),
> + path) > 0) {
> + send_ssi_file(conn, path, fp, include_level + 1);
> + } else {
> + send_file_data(conn, fp);
> + }
> + fclose(fp);
> + }
> +}
> +
> +#ifndef MONGOOSE_NO_POPEN
> +static void do_ssi_exec(struct mg_connection *conn, char *tag) {
> + char cmd[IOBUF_SIZE];
> + FILE *fp;
> +
> + if (sscanf(tag, " \"%[^\"]\"", cmd) != 1) {
> + mg_printf(conn, "Bad SSI #exec: [%s]", tag);
> + } else if ((fp = popen(cmd, "r")) == NULL) {
> + mg_printf(conn, "Cannot SSI #exec: [%s]: %s", cmd, strerror(errno));
> + } else {
> + send_file_data(conn, fp);
> + pclose(fp);
> + }
> +}
> +#endif // !MONGOOSE_NO_POPEN
> +
> +static void send_ssi_file(struct mg_connection *conn, const char *path,
> + FILE *fp, int include_level) {
> + char buf[IOBUF_SIZE];
> + int ch, offset, len, in_ssi_tag;
> +
> + if (include_level > 10) {
> + mg_printf(conn, "SSI #include level is too deep (%s)", path);
> + return;
> + }
> +
> + in_ssi_tag = len = offset = 0;
> + while ((ch = fgetc(fp)) != EOF) {
> + if (in_ssi_tag && ch == '>') {
> + in_ssi_tag = 0;
> + buf[len++] = (char) ch;
> + buf[len] = '\0';
> + assert(len <= (int) sizeof(buf));
> + if (len < 6 || memcmp(buf, "<!--#", 5) != 0) {
> + // Not an SSI tag, pass it
> + (void) mg_write(conn, buf, (size_t) len);
> + } else {
> + if (!memcmp(buf + 5, "include", 7)) {
> + do_ssi_include(conn, path, buf + 12, include_level);
> +#if !defined(MONGOOSE_NO_POPEN)
> + } else if (!memcmp(buf + 5, "exec", 4)) {
> + do_ssi_exec(conn, buf + 9);
> +#endif // !NO_POPEN
> + } else {
> + mg_printf(conn, "%s: unknown SSI " "command: \"%s\"", path, buf);
> + }
> + }
> + len = 0;
> + } else if (in_ssi_tag) {
> + if (len == 5 && memcmp(buf, "<!--#", 5) != 0) {
> + // Not an SSI tag
> + in_ssi_tag = 0;
> + } else if (len == (int) sizeof(buf) - 2) {
> + mg_printf(conn, "%s: SSI tag is too large", path);
> + len = 0;
> + }
> + buf[len++] = ch & 0xff;
> + } else if (ch == '<') {
> + in_ssi_tag = 1;
> + if (len > 0) {
> + mg_write(conn, buf, (size_t) len);
> + }
> + len = 0;
> + buf[len++] = ch & 0xff;
> + } else {
> + buf[len++] = ch & 0xff;
> + if (len == (int) sizeof(buf)) {
> + mg_write(conn, buf, (size_t) len);
> + len = 0;
> + }
> + }
> + }
> +
> + // Send the rest of buffered data
> + if (len > 0) {
> + mg_write(conn, buf, (size_t) len);
> + }
> +}
> +
> +static void handle_ssi_request(struct connection *conn, const char *path) {
> + FILE *fp;
> + struct vec mime_vec;
> +
> + if ((fp = fopen(path, "rb")) == NULL) {
> + send_http_error(conn, 500, "fopen(%s): %s", path, strerror(errno));
> + } else {
> + ns_set_close_on_exec(fileno(fp));
> + get_mime_type(conn->server, path, &mime_vec);
> + conn->mg_conn.status_code = 200;
> + mg_printf(&conn->mg_conn,
> + "HTTP/1.1 %d OK\r\n"
> + "Content-Type: %.*s\r\n"
> + "Connection: close\r\n\r\n",
> + conn->mg_conn.status_code, (int) mime_vec.len, mime_vec.ptr);
> + send_ssi_file(&conn->mg_conn, path, fp, 0);
> + fclose(fp);
> + close_local_endpoint(conn);
> + }
> +}
> +#endif
> +
> +static void proxy_request(struct ns_connection *pc, struct mg_connection *c) {
> + int i, sent_close_header = 0;
> +
> + ns_printf(pc, "%s %s HTTP/%s\r\n", c->request_method, c->uri,
> + c->http_version);
> + for (i = 0; i < c->num_headers; i++) {
> + if (mg_strcasecmp(c->http_headers[i].name, "Connection") == 0) {
> + // Force connection close, cause we don't parse proxy replies
> + // therefore we don't know message boundaries
> + ns_printf(pc, "%s: %s\r\n", "Connection", "close");
> + sent_close_header = 1;
> + } else {
> + ns_printf(pc, "%s: %s\r\n", c->http_headers[i].name,
> + c->http_headers[i].value);
> + }
> + }
> + if (!sent_close_header) {
> + ns_printf(pc, "%s: %s\r\n", "Connection", "close");
> + }
> + ns_printf(pc, "%s", "\r\n");
> + ns_send(pc, c->content, c->content_len);
> +
> +}
> +
> +#ifdef NS_ENABLE_SSL
> +int mg_terminate_ssl(struct mg_connection *c, const char *cert) {
> + static const char ok[] = "HTTP/1.0 200 OK\r\n\r\n";
> + struct connection *conn = MG_CONN_2_CONN(c);
> + SSL_CTX *ctx;
> +
> + DBG(("%p MITM", conn));
> + if ((ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) return 0;
> +
> + SSL_CTX_use_certificate_file(ctx, cert, 1);
> + SSL_CTX_use_PrivateKey_file(ctx, cert, 1);
> + SSL_CTX_use_certificate_chain_file(ctx, cert);
> +
> + // When clear-text reply is pushed to client, switch to SSL mode.
> + // TODO(lsm): check for send() failure
> + send(conn->ns_conn->sock, ok, sizeof(ok) - 1, 0);
> + //DBG(("%p %lu %d SEND", c, (unsigned long) sizeof(ok) - 1, n));
> + conn->ns_conn->send_iobuf.len = 0;
> + conn->endpoint_type = EP_USER; // To keep-alive in close_local_endpoint()
> + close_local_endpoint(conn); // Clean up current CONNECT request
> + if ((conn->ns_conn->ssl = SSL_new(ctx)) != NULL) {
> + SSL_set_fd(conn->ns_conn->ssl, conn->ns_conn->sock);
> + }
> + SSL_CTX_free(ctx);
> + return 1;
> +}
> +#endif
> +
> +int mg_forward(struct mg_connection *c, const char *addr) {
> + static const char ok[] = "HTTP/1.1 200 OK\r\n\r\n";
> + struct connection *conn = MG_CONN_2_CONN(c);
> + struct ns_connection *pc;
> +
> + if ((pc = ns_connect(&conn->server->ns_mgr, addr,
> + mg_ev_handler, conn)) == NULL) {
> + conn->ns_conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + return 0;
> + }
> +
> + // Interlink two connections
> + pc->flags |= MG_PROXY_CONN;
> + conn->endpoint_type = EP_PROXY;
> + conn->endpoint.nc = pc;
> + DBG(("%p [%s] [%s] -> %p %p", conn, c->uri, addr, pc, conn->ns_conn->ssl));
> +
> + if (strcmp(c->request_method, "CONNECT") == 0) {
> + // For CONNECT request, reply with 200 OK. Tunnel is established.
> + // TODO(lsm): check for send() failure
> + (void) send(conn->ns_conn->sock, ok, sizeof(ok) - 1, 0);
> + } else {
> + // Strip "http://host:port" part from the URI
> + if (memcmp(c->uri, "http://", 7) == 0) c->uri += 7;
> + while (*c->uri != '\0' && *c->uri != '/') c->uri++;
> + proxy_request(pc, c);
> + }
> + return 1;
> +}
> +
> +static void proxify_connection(struct connection *conn) {
> + char proto[10], host[500], cert[500], addr[1000];
> + unsigned short port = 80;
> + struct mg_connection *c = &conn->mg_conn;
> + int n = 0;
> + const char *url = c->uri;
> +
> + proto[0] = host[0] = cert[0] = '\0';
> + if (sscanf(url, "%499[^: ]:%hu%n", host, &port, &n) != 2 &&
> + sscanf(url, "%9[a-z]://%499[^: ]:%hu%n", proto, host, &port, &n) != 3 &&
> + sscanf(url, "%9[a-z]://%499[^/ ]%n", proto, host, &n) != 2) {
> + n = 0;
> + }
> +
> + snprintf(addr, sizeof(addr), "%s://%s:%hu",
> + conn->ns_conn->ssl != NULL ? "ssl" : "tcp", host, port);
> + if (n <= 0 || !mg_forward(c, addr)) {
> + conn->ns_conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> +}
> +
> +#ifndef MONGOOSE_NO_FILESYSTEM
> +void mg_send_file_internal(struct mg_connection *c, const char *file_name,
> + file_stat_t *st, int exists,
> + const char *extra_headers) {
> + struct connection *conn = MG_CONN_2_CONN(c);
> + char path[MAX_PATH_SIZE];
> + const int is_directory = S_ISDIR(st->st_mode);
> +#ifndef MONGOOSE_NO_CGI
> + const char *cgi_pat = conn->server->config_options[CGI_PATTERN];
> +#else
> + const char *cgi_pat = DEFAULT_CGI_PATTERN;
> +#endif
> +#ifndef MONGOOSE_NO_DIRECTORY_LISTING
> + const char *dir_lst = conn->server->config_options[ENABLE_DIRECTORY_LISTING];
> +#else
> + const char *dir_lst = "yes";
> +#endif
> +
> + mg_snprintf(path, sizeof(path), "%s", file_name);
> +
> + if (!exists || must_hide_file(conn, path)) {
> + send_http_error(conn, 404, NULL);
> + } else if (is_directory &&
> + conn->mg_conn.uri[strlen(conn->mg_conn.uri) - 1] != '/') {
> + conn->mg_conn.status_code = 301;
> + mg_printf(&conn->mg_conn, "HTTP/1.1 301 Moved Permanently\r\n"
> + "Location: %s/\r\n\r\n", conn->mg_conn.uri);
> + close_local_endpoint(conn);
> + } else if (is_directory && !find_index_file(conn, path, sizeof(path), st)) {
> + if (!mg_strcasecmp(dir_lst, "yes")) {
> +#ifndef MONGOOSE_NO_DIRECTORY_LISTING
> + send_directory_listing(conn, path);
> +#else
> + send_http_error(conn, 501, NULL);
> +#endif
> + } else {
> + send_http_error(conn, 403, NULL);
> + }
> + } else if (mg_match_prefix(cgi_pat, strlen(cgi_pat), path) > 0) {
> +#if !defined(MONGOOSE_NO_CGI)
> + open_cgi_endpoint(conn, path);
> +#else
> + send_http_error(conn, 501, NULL);
> +#endif // !MONGOOSE_NO_CGI
> +#ifndef MONGOOSE_NO_SSI
> + } else if (mg_match_prefix(conn->server->config_options[SSI_PATTERN],
> + strlen(conn->server->config_options[SSI_PATTERN]),
> + path) > 0) {
> + handle_ssi_request(conn, path);
> +#endif
> + } else if (is_not_modified(conn, st)) {
> + send_http_error(conn, 304, NULL);
> + } else if ((conn->endpoint.fd = open(path, O_RDONLY | O_BINARY, 0)) != -1) {
> + // O_BINARY is required for Windows, otherwise in default text mode
> + // two bytes \r\n will be read as one.
> + open_file_endpoint(conn, path, st, extra_headers);
> + } else {
> + send_http_error(conn, 404, NULL);
> + }
> +}
> +void mg_send_file(struct mg_connection *c, const char *file_name,
> + const char *extra_headers) {
> + file_stat_t st;
> + const int exists = stat(file_name, &st) == 0;
> + mg_send_file_internal(c, file_name, &st, exists, extra_headers);
> +}
> +#endif // !MONGOOSE_NO_FILESYSTEM
> +
> +static void open_local_endpoint(struct connection *conn, int skip_user) {
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + char path[MAX_PATH_SIZE];
> + file_stat_t st;
> + int exists = 0;
> +#endif
> +
> + // If EP_USER was set in a prev call, reset it
> + conn->endpoint_type = EP_NONE;
> +
> +#ifndef MONGOOSE_NO_AUTH
> + if (conn->server->event_handler && call_user(conn, MG_AUTH) == MG_FALSE) {
> + mg_send_digest_auth_request(&conn->mg_conn);
> + return;
> + }
> +#endif
> +
> + // Call URI handler if one is registered for this URI
> + if (skip_user == 0 && conn->server->event_handler != NULL) {
> + conn->endpoint_type = EP_USER;
> +#if MONGOOSE_POST_SIZE_LIMIT > 1
> + {
> + const char *cl = mg_get_header(&conn->mg_conn, "Content-Length");
> + if ((strcmp(conn->mg_conn.request_method, "POST") == 0 ||
> + strcmp(conn->mg_conn.request_method, "PUT") == 0) &&
> + (cl == NULL || to64(cl) > MONGOOSE_POST_SIZE_LIMIT)) {
> + send_http_error(conn, 500, "POST size > %lu",
> + (unsigned long) MONGOOSE_POST_SIZE_LIMIT);
> + }
> + }
> +#endif
> + return;
> + }
> +
> + if (strcmp(conn->mg_conn.request_method, "CONNECT") == 0 ||
> + mg_strncasecmp(conn->mg_conn.uri, "http", 4) == 0) {
> + const char *enp = conn->server->config_options[ENABLE_PROXY];
> + if (enp == NULL || strcmp(enp, "yes") != 0) {
> + send_http_error(conn, 405, NULL);
> + } else {
> + proxify_connection(conn);
> + }
> + return;
> + }
> +
> + if (!strcmp(conn->mg_conn.request_method, "OPTIONS")) {
> + send_options(conn);
> + return;
> + }
> +
> +#ifdef MONGOOSE_NO_FILESYSTEM
> + send_http_error(conn, 404, NULL);
> +#else
> + exists = convert_uri_to_file_name(conn, path, sizeof(path), &st);
> +
> + if (!strcmp(conn->mg_conn.request_method, "OPTIONS")) {
> + send_options(conn);
> + } else if (conn->server->config_options[DOCUMENT_ROOT] == NULL) {
> + send_http_error(conn, 404, NULL);
> +#ifndef MONGOOSE_NO_AUTH
> + } else if ((!is_dav_request(conn) && !is_authorized(conn, path,
> + exists && S_ISDIR(st.st_mode))) ||
> + (is_dav_request(conn) && !is_authorized_for_dav(conn))) {
> + mg_send_digest_auth_request(&conn->mg_conn);
> + close_local_endpoint(conn);
> +#endif
> +#ifndef MONGOOSE_NO_DAV
> + } else if (must_hide_file(conn, path)) {
> + send_http_error(conn, 404, NULL);
> + } else if (!strcmp(conn->mg_conn.request_method, "PROPFIND")) {
> + handle_propfind(conn, path, &st, exists);
> + } else if (!strcmp(conn->mg_conn.request_method, "MKCOL")) {
> + handle_mkcol(conn, path);
> + } else if (!strcmp(conn->mg_conn.request_method, "DELETE")) {
> + handle_delete(conn, path);
> + } else if (!strcmp(conn->mg_conn.request_method, "PUT")) {
> + handle_put(conn, path);
> +#endif
> + } else {
> + mg_send_file_internal(&conn->mg_conn, path, &st, exists, NULL);
> + }
> +#endif // MONGOOSE_NO_FILESYSTEM
> +}
> +
> +static void send_continue_if_expected(struct connection *conn) {
> + static const char expect_response[] = "HTTP/1.1 100 Continue\r\n\r\n";
> + const char *expect_hdr = mg_get_header(&conn->mg_conn, "Expect");
> +
> + if (expect_hdr != NULL && !mg_strcasecmp(expect_hdr, "100-continue")) {
> + ns_send(conn->ns_conn, expect_response, sizeof(expect_response) - 1);
> + }
> +}
> +
> +// Conform to http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.2
> +static int is_valid_uri(const char *uri) {
> + unsigned short n;
> + return uri[0] == '/' ||
> + strcmp(uri, "*") == 0 || // OPTIONS method can use asterisk URI
> + mg_strncasecmp(uri, "http", 4) == 0 || // Naive check for the absolute URI
> + sscanf(uri, "%*[^ :]:%hu", &n) > 0; // CONNECT method can use host:port
> +}
> +
> +static void try_parse(struct connection *conn) {
> + struct iobuf *io = &conn->ns_conn->recv_iobuf;
> +
> + if (conn->request_len == 0 &&
> + (conn->request_len = get_request_len(io->buf, io->len)) > 0) {
> + // If request is buffered in, remove it from the iobuf. This is because
> + // iobuf could be reallocated, and pointers in parsed request could
> + // become invalid.
> + conn->request = (char *) malloc(conn->request_len);
> + memcpy(conn->request, io->buf, conn->request_len);
> + //DBG(("%p [%.*s]", conn, conn->request_len, conn->request));
> + iobuf_remove(io, conn->request_len);
> + conn->request_len = parse_http_message(conn->request, conn->request_len,
> + &conn->mg_conn);
> + if (conn->request_len > 0) {
> + const char *cl_hdr = mg_get_header(&conn->mg_conn, "Content-Length");
> + conn->cl = cl_hdr == NULL ? 0 : to64(cl_hdr);
> + conn->mg_conn.content_len = (size_t) conn->cl;
> + }
> + }
> +}
> +
> +static void do_proxy(struct connection *conn) {
> + if (0 && conn->request_len == 0) {
> + try_parse(conn);
> + DBG(("%p parsing -> %d", conn, conn->request_len));
> + if (conn->request_len > 0 && call_user(conn, MG_REQUEST) == MG_FALSE) {
> + proxy_request(conn->endpoint.nc, &conn->mg_conn);
> + } else if (conn->request_len < 0) {
> + ns_forward(conn->ns_conn, conn->endpoint.nc);
> + }
> + } else {
> + DBG(("%p forwarding", conn));
> + ns_forward(conn->ns_conn, conn->endpoint.nc);
> + }
> +}
> +
> +static void on_recv_data(struct connection *conn) {
> + struct iobuf *io = &conn->ns_conn->recv_iobuf;
> + int n;
> +
> + if (conn->endpoint_type == EP_PROXY) {
> + if (conn->endpoint.nc != NULL) do_proxy(conn);
> + return;
> + }
> +
> + try_parse(conn);
> + DBG(("%p %d %lu %d", conn, conn->request_len, (unsigned long)io->len,
> + conn->ns_conn->flags));
> + if (conn->request_len < 0 ||
> + (conn->request_len > 0 && !is_valid_uri(conn->mg_conn.uri))) {
> + send_http_error(conn, 400, NULL);
> + } else if (conn->request_len == 0 && io->len > MAX_REQUEST_SIZE) {
> + send_http_error(conn, 413, NULL);
> + } else if (conn->request_len > 0 &&
> + strcmp(conn->mg_conn.http_version, "1.0") != 0 &&
> + strcmp(conn->mg_conn.http_version, "1.1") != 0) {
> + send_http_error(conn, 505, NULL);
> + } else if (conn->request_len > 0 && conn->endpoint_type == EP_NONE) {
> +#ifndef MONGOOSE_NO_WEBSOCKET
> + send_websocket_handshake_if_requested(&conn->mg_conn);
> +#endif
> + send_continue_if_expected(conn);
> + open_local_endpoint(conn, 0);
> + }
> +
> +#ifndef MONGOOSE_NO_CGI
> + if (conn->endpoint_type == EP_CGI && conn->endpoint.nc != NULL) {
> + ns_forward(conn->ns_conn, conn->endpoint.nc);
> + }
> +#endif
> + if (conn->endpoint_type == EP_USER) {
> + conn->mg_conn.content = io->buf;
> + conn->mg_conn.content_len = io->len;
> + n = call_user(conn, MG_RECV);
> + if (n < 0) {
> + conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
> + } else if ((size_t) n <= io->len) {
> + iobuf_remove(io, n);
> + }
> + call_request_handler_if_data_is_buffered(conn);
> + }
> +#ifndef MONGOOSE_NO_DAV
> + if (conn->endpoint_type == EP_PUT && io->len > 0) {
> + forward_put_data(conn);
> + }
> +#endif
> +}
> +
> +static void call_http_client_handler(struct connection *conn) {
> + //conn->mg_conn.status_code = code;
> + // For responses without Content-Lengh, use the whole buffer
> + if (conn->cl == 0) {
> + conn->mg_conn.content_len = conn->ns_conn->recv_iobuf.len;
> + }
> + conn->mg_conn.content = conn->ns_conn->recv_iobuf.buf;
> + if (call_user(conn, MG_REPLY) == MG_FALSE) {
> + conn->ns_conn->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + iobuf_remove(&conn->ns_conn->recv_iobuf, conn->mg_conn.content_len);
> + conn->mg_conn.status_code = 0;
> + conn->cl = conn->num_bytes_recv = conn->request_len = 0;
> + free(conn->request);
> + conn->request = NULL;
> +}
> +
> +static void process_response(struct connection *conn) {
> + struct iobuf *io = &conn->ns_conn->recv_iobuf;
> +
> + try_parse(conn);
> + DBG(("%p %d %lu", conn, conn->request_len, (unsigned long)io->len));
> + if (conn->request_len < 0 ||
> + (conn->request_len == 0 && io->len > MAX_REQUEST_SIZE)) {
> + call_http_client_handler(conn);
> + } else if ((int64_t) io->len >= conn->cl) {
> + call_http_client_handler(conn);
> + }
> +}
> +
> +struct mg_connection *mg_connect(struct mg_server *server, const char *addr) {
> + struct ns_connection *nsconn;
> + struct connection *conn;
> +
> + nsconn = ns_connect(&server->ns_mgr, addr, mg_ev_handler, NULL);
> + if (nsconn == NULL) return 0;
> +
> + if ((conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
> + nsconn->flags |= NSF_CLOSE_IMMEDIATELY;
> + return 0;
> + }
> +
> + // Interlink two structs
> + conn->ns_conn = nsconn;
> + nsconn->user_data = conn;
> +
> + conn->server = server;
> + conn->endpoint_type = EP_CLIENT;
> + //conn->handler = handler;
> + conn->mg_conn.server_param = server->ns_mgr.user_data;
> + conn->ns_conn->flags = NSF_CONNECTING;
> +
> + return &conn->mg_conn;
> +}
> +
> +#ifndef MONGOOSE_NO_LOGGING
> +static void log_header(const struct mg_connection *conn, const char *header,
> + FILE *fp) {
> + const char *header_value;
> +
> + if ((header_value = mg_get_header(conn, header)) == NULL) {
> + (void) fprintf(fp, "%s", " -");
> + } else {
> + (void) fprintf(fp, " \"%s\"", header_value);
> + }
> +}
> +
> +static void log_access(const struct connection *conn, const char *path) {
> + const struct mg_connection *c = &conn->mg_conn;
> + FILE *fp = (path == NULL) ? NULL : fopen(path, "a+");
> + char date[64], user[100];
> + time_t now;
> +
> + if (fp == NULL) return;
> + now = time(NULL);
> + strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z", localtime(&now));
> +
> + flockfile(fp);
> + mg_parse_header(mg_get_header(&conn->mg_conn, "Authorization"), "username",
> + user, sizeof(user));
> + fprintf(fp, "%s - %s [%s] \"%s %s%s%s HTTP/%s\" %d 0",
> + c->remote_ip, user[0] == '\0' ? "-" : user, date,
> + c->request_method ? c->request_method : "-",
> + c->uri ? c->uri : "-", c->query_string ? "?" : "",
> + c->query_string ? c->query_string : "",
> + c->http_version, c->status_code);
> + log_header(c, "Referer", fp);
> + log_header(c, "User-Agent", fp);
> + fputc('\n', fp);
> + fflush(fp);
> +
> + funlockfile(fp);
> + fclose(fp);
> +}
> +#endif
> +
> +static void close_local_endpoint(struct connection *conn) {
> + struct mg_connection *c = &conn->mg_conn;
> + // Must be done before free()
> + int keep_alive = should_keep_alive(&conn->mg_conn) &&
> + (conn->endpoint_type == EP_FILE || conn->endpoint_type == EP_USER);
> + DBG(("%p %d %d %d", conn, conn->endpoint_type, keep_alive,
> + conn->ns_conn->flags));
> +
> + switch (conn->endpoint_type) {
> + case EP_PUT:
> + case EP_FILE:
> + close(conn->endpoint.fd);
> + break;
> + case EP_CGI:
> + case EP_PROXY:
> + if (conn->endpoint.nc != NULL) {
> + DBG(("%p %p %p :-)", conn, conn->ns_conn, conn->endpoint.nc));
> + conn->endpoint.nc->flags |= NSF_CLOSE_IMMEDIATELY;
> + conn->endpoint.nc->user_data = NULL;
> + }
> + break;
> + default: break;
> + }
> +
> +#ifndef MONGOOSE_NO_LOGGING
> + if (c->status_code > 0 && conn->endpoint_type != EP_CLIENT &&
> + c->status_code != 400) {
> + log_access(conn, conn->server->config_options[ACCESS_LOG_FILE]);
> + }
> +#endif
> +
> + // Gobble possible POST data sent to the URI handler
> + iobuf_free(&conn->ns_conn->recv_iobuf);
> + free(conn->request);
> + free(conn->path_info);
> + conn->endpoint.nc = NULL;
> + conn->request = conn->path_info = NULL;
> +
> + conn->endpoint_type = EP_NONE;
> + conn->cl = conn->num_bytes_recv = conn->request_len = 0;
> + conn->ns_conn->flags &= ~(NSF_FINISHED_SENDING_DATA |
> + NSF_BUFFER_BUT_DONT_SEND | NSF_CLOSE_IMMEDIATELY |
> + MG_HEADERS_SENT | MG_LONG_RUNNING);
> +
> + // Do not memset() the whole structure, as some of the fields
> + // (IP addresses & ports, server_param) must survive. Nullify the rest.
> + c->request_method = c->uri = c->http_version = c->query_string = NULL;
> + c->num_headers = c->status_code = c->is_websocket = c->content_len = 0;
> + c->connection_param = c->callback_param = NULL;
> +
> + if (keep_alive) {
> + on_recv_data(conn); // Can call us recursively if pipelining is used
> + } else {
> + conn->ns_conn->flags |= conn->ns_conn->send_iobuf.len == 0 ?
> + NSF_CLOSE_IMMEDIATELY : NSF_FINISHED_SENDING_DATA;
> + }
> +}
> +
> +static void transfer_file_data(struct connection *conn) {
> + char buf[IOBUF_SIZE];
> + int n;
> +
> + // If output buffer is too big, don't send anything. Wait until
> + // mongoose drains already buffered data to the client.
> + if (conn->ns_conn->send_iobuf.len > sizeof(buf) * 2) return;
> +
> + // Do not send anyt
> + n = read(conn->endpoint.fd, buf, conn->cl < (int64_t) sizeof(buf) ?
> + (int) conn->cl : (int) sizeof(buf));
> +
> + if (n <= 0) {
> + close_local_endpoint(conn);
> + } else if (n > 0) {
> + conn->cl -= n;
> + ns_send(conn->ns_conn, buf, n);
> + if (conn->cl <= 0) {
> + close_local_endpoint(conn);
> + }
> + }
> +}
> +
> +int mg_poll_server(struct mg_server *server, int milliseconds) {
> + return ns_mgr_poll(&server->ns_mgr, milliseconds);
> +}
> +
> +void mg_destroy_server(struct mg_server **server) {
> + if (server != NULL && *server != NULL) {
> + struct mg_server *s = *server;
> + int i;
> +
> + ns_mgr_free(&s->ns_mgr);
> + for (i = 0; i < (int) ARRAY_SIZE(s->config_options); i++) {
> + free(s->config_options[i]); // It is OK to free(NULL)
> + }
> + free(s);
> + *server = NULL;
> + }
> +}
> +
> +struct mg_connection *mg_next(struct mg_server *s, struct mg_connection *c) {
> + struct ns_connection *nc = ns_next(&s->ns_mgr, c == NULL ? NULL :
> + MG_CONN_2_CONN(c)->ns_conn);
> + if (nc != NULL && nc->user_data != NULL) {
> + return & ((struct connection *) nc->user_data)->mg_conn;
> + } else {
> + return NULL;
> + }
> +}
> +
> +static int get_var(const char *data, size_t data_len, const char *name,
> + char *dst, size_t dst_len) {
> + const char *p, *e, *s;
> + size_t name_len;
> + int len;
> +
> + if (dst == NULL || dst_len == 0) {
> + len = -2;
> + } else if (data == NULL || name == NULL || data_len == 0) {
> + len = -1;
> + dst[0] = '\0';
> + } else {
> + name_len = strlen(name);
> + e = data + data_len;
> + len = -1;
> + dst[0] = '\0';
> +
> + // data is "var1=val1&var2=val2...". Find variable first
> + for (p = data; p + name_len < e; p++) {
> + if ((p == data || p[-1] == '&') && p[name_len] == '=' &&
> + !mg_strncasecmp(name, p, name_len)) {
> +
> + // Point p to variable value
> + p += name_len + 1;
> +
> + // Point s to the end of the value
> + s = (const char *) memchr(p, '&', (size_t)(e - p));
> + if (s == NULL) {
> + s = e;
> + }
> + assert(s >= p);
> +
> + // Decode variable into destination buffer
> + len = mg_url_decode(p, (size_t)(s - p), dst, dst_len, 1);
> +
> + // Redirect error code from -1 to -2 (destination buffer too small).
> + if (len == -1) {
> + len = -2;
> + }
> + break;
> + }
> + }
> + }
> +
> + return len;
> +}
> +
> +int mg_get_var(const struct mg_connection *conn, const char *name,
> + char *dst, size_t dst_len) {
> + int len = get_var(conn->query_string, conn->query_string == NULL ? 0 :
> + strlen(conn->query_string), name, dst, dst_len);
> + if (len < 0) {
> + len = get_var(conn->content, conn->content_len, name, dst, dst_len);
> + }
> + return len;
> +}
> +
> +static int get_line_len(const char *buf, int buf_len) {
> + int len = 0;
> + while (len < buf_len && buf[len] != '\n') len++;
> + return buf[len] == '\n' ? len + 1: -1;
> +}
> +
> +int mg_parse_multipart(const char *buf, int buf_len,
> + char *var_name, int var_name_len,
> + char *file_name, int file_name_len,
> + const char **data, int *data_len) {
> + static const char cd[] = "Content-Disposition: ";
> + //struct mg_connection c;
> + int hl, bl, n, ll, pos, cdl = sizeof(cd) - 1;
> + //char *p;
> +
> + if (buf == NULL || buf_len <= 0) return 0;
> + if ((hl = get_request_len(buf, buf_len)) <= 0) return 0;
> + if (buf[0] != '-' || buf[1] != '-' || buf[2] == '\n') return 0;
> +
> + // Get boundary length
> + bl = get_line_len(buf, buf_len);
> +
> + // Loop through headers, fetch variable name and file name
> + var_name[0] = file_name[0] = '\0';
> + for (n = bl; (ll = get_line_len(buf + n, hl - n)) > 0; n += ll) {
> + if (mg_strncasecmp(cd, buf + n, cdl) == 0) {
> + parse_header(buf + n + cdl, ll - (cdl + 2), "name",
> + var_name, var_name_len);
> + parse_header(buf + n + cdl, ll - (cdl + 2), "filename",
> + file_name, file_name_len);
> + }
> + }
> +
> + // Scan body, search for terminating boundary
> + for (pos = hl; pos + (bl - 2) < buf_len; pos++) {
> + if (buf[pos] == '-' && !memcmp(buf, &buf[pos], bl - 2)) {
> + if (data_len != NULL) *data_len = (pos - 2) - hl;
> + if (data != NULL) *data = buf + hl;
> + return pos;
> + }
> + }
> +
> + return 0;
> +}
> +
> +const char **mg_get_valid_option_names(void) {
> + return static_config_options;
> +}
> +
> +void mg_copy_listeners(struct mg_server *s, struct mg_server *to) {
> + struct ns_connection *c;
> + for (c = ns_next(&s->ns_mgr, NULL); c != NULL; c = ns_next(&s->ns_mgr, c)) {
> + struct ns_connection *tmp;
> + if ((c->flags & NSF_LISTENING) &&
> + (tmp = (struct ns_connection *) malloc(sizeof(*tmp))) != NULL) {
> + memcpy(tmp, c, sizeof(*tmp));
> + tmp->mgr = &to->ns_mgr;
> + ns_add_conn(tmp->mgr, tmp);
> + }
> + }
> +}
> +
> +static int get_option_index(const char *name) {
> + int i;
> +
> + for (i = 0; static_config_options[i * 2] != NULL; i++) {
> + if (strcmp(static_config_options[i * 2], name) == 0) {
> + return i;
> + }
> + }
> + return -1;
> +}
> +
> +static void set_default_option_values(char **opts) {
> + const char *value, **all_opts = mg_get_valid_option_names();
> + int i;
> +
> + for (i = 0; all_opts[i * 2] != NULL; i++) {
> + value = all_opts[i * 2 + 1];
> + if (opts[i] == NULL && value != NULL) {
> + opts[i] = mg_strdup(value);
> + }
> + }
> +}
> +
> +const char *mg_set_option(struct mg_server *server, const char *name,
> + const char *value) {
> + int ind = get_option_index(name);
> + const char *error_msg = NULL;
> + char **v = NULL;
> +
> + if (ind < 0) return "No such option";
> + v = &server->config_options[ind];
> +
> + // Return success immediately if setting to the same value
> + if ((*v == NULL && value == NULL) ||
> + (value != NULL && *v != NULL && !strcmp(value, *v))) {
> + return NULL;
> + }
> +
> + if (*v != NULL) {
> + free(*v);
> + *v = NULL;
> + }
> +
> + if (value == NULL || value[0] == '\0') return NULL;
> +
> + *v = mg_strdup(value);
> + DBG(("%s [%s]", name, *v));
> +
> + if (ind == LISTENING_PORT) {
> + struct vec vec;
> + while ((value = next_option(value, &vec, NULL)) != NULL) {
> + struct ns_connection *c = ns_bind(&server->ns_mgr, vec.ptr,
> + mg_ev_handler, NULL);
> + if (c== NULL) {
> + error_msg = "Cannot bind to port";
> + break;
> + } else {
> + char buf[100];
> + ns_sock_to_str(c->sock, buf, sizeof(buf), 2);
> + free(*v);
> + *v = mg_strdup(buf);
> + }
> + }
> +#ifndef MONGOOSE_NO_FILESYSTEM
> + } else if (ind == HEXDUMP_FILE) {
> + server->ns_mgr.hexdump_file = *v;
> +#endif
> +#ifndef _WIN32
> + } else if (ind == RUN_AS_USER) {
> + struct passwd *pw;
> + if ((pw = getpwnam(value)) == NULL) {
> + error_msg = "Unknown user";
> + } else if (setgid(pw->pw_gid) != 0) {
> + error_msg = "setgid() failed";
> + } else if (setuid(pw->pw_uid) != 0) {
> + error_msg = "setuid() failed";
> + }
> +#endif
> + }
> +
> + return error_msg;
> +}
> +
> +static void set_ips(struct ns_connection *nc, int is_rem) {
> + struct connection *conn = (struct connection *) nc->user_data;
> + struct mg_connection *c = &conn->mg_conn;
> + char buf[100];
> +
> + ns_sock_to_str(nc->sock, buf, sizeof(buf), is_rem ? 7 : 3);
> + sscanf(buf, "%47[^:]:%hu",
> + is_rem ? c->remote_ip : c->local_ip,
> + is_rem ? &c->remote_port : &c->local_port);
> + //DBG(("%p %s %s", conn, is_rem ? "rem" : "loc", buf));
> +}
> +
> +static void on_accept(struct ns_connection *nc, union socket_address *sa) {
> + struct mg_server *server = (struct mg_server *) nc->mgr;
> + struct connection *conn;
> +
> + if (!check_acl(server->config_options[ACCESS_CONTROL_LIST],
> + ntohl(* (uint32_t *) &sa->sin.sin_addr)) ||
> + (conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
> + nc->flags |= NSF_CLOSE_IMMEDIATELY;
> + } else {
> + // Circularly link two connection structures
> + nc->user_data = conn;
> + conn->ns_conn = nc;
> +
> + // Initialize the rest of connection attributes
> + conn->server = server;
> + conn->mg_conn.server_param = nc->mgr->user_data;
> + set_ips(nc, 1);
> + set_ips(nc, 0);
> + }
> +}
> +
> +static void process_udp(struct ns_connection *nc) {
> + struct iobuf *io = &nc->recv_iobuf;
> + struct connection conn;
> +
> + memset(&conn, 0, sizeof(conn));
> + conn.ns_conn = nc;
> + conn.server = (struct mg_server *) nc->mgr;
> + conn.request_len = parse_http_message(io->buf, io->len, &conn.mg_conn);
> + on_recv_data(&conn);
> + //ns_printf(nc, "%s", "HTTP/1.0 200 OK\r\n\r\n");
> +}
> +
> +static void mg_ev_handler(struct ns_connection *nc, int ev, void *p) {
> + struct connection *conn = (struct connection *) nc->user_data;
> +
> + // Send NS event to the handler. Note that call_user won't send an event
> + // if conn == NULL. Therefore, repeat this for NS_ACCEPT event as well.
> +#ifdef MONGOOSE_SEND_NS_EVENTS
> + {
> + struct connection *conn = (struct connection *) nc->user_data;
> + void *param[2] = { nc, p };
> + if (conn != NULL) conn->mg_conn.callback_param = param;
> + call_user(conn, (enum mg_event) ev);
> + }
> +#endif
> +
> + switch (ev) {
> + case NS_ACCEPT:
> + on_accept(nc, (union socket_address *) p);
> +#ifdef MONGOOSE_SEND_NS_EVENTS
> + {
> + struct connection *conn = (struct connection *) nc->user_data;
> + void *param[2] = { nc, p };
> + if (conn != NULL) conn->mg_conn.callback_param = param;
> + call_user(conn, (enum mg_event) ev);
> + }
> +#endif
> + break;
> +
> + case NS_CONNECT:
> + if (nc->user_data != NULL) {
> + set_ips(nc, 1);
> + set_ips(nc, 0);
> + }
> + conn->mg_conn.status_code = * (int *) p;
> + if (conn->mg_conn.status_code != 0 ||
> + (!(nc->flags & MG_PROXY_CONN) &&
> + call_user(conn, MG_CONNECT) == MG_FALSE)) {
> + nc->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + break;
> +
> + case NS_RECV:
> + if (conn != NULL) {
> + conn->num_bytes_recv += * (int *) p;
> + }
> +
> + if (nc->flags & NSF_UDP) {
> + process_udp(nc);
> + } else if (nc->listener != NULL) {
> + on_recv_data(conn);
> +#ifndef MONGOOSE_NO_CGI
> + } else if (nc->flags & MG_CGI_CONN) {
> + on_cgi_data(nc);
> +#endif
> + } else if (nc->flags & MG_PROXY_CONN) {
> + if (conn != NULL) {
> + ns_forward(nc, conn->ns_conn);
> + }
> + } else {
> + process_response(conn);
> + }
> + break;
> +
> + case NS_SEND:
> + break;
> +
> + case NS_CLOSE:
> + nc->user_data = NULL;
> + if (nc->flags & (MG_CGI_CONN | MG_PROXY_CONN)) {
> + DBG(("%p %p closing cgi/proxy conn", conn, nc));
> + if (conn && conn->ns_conn) {
> + conn->ns_conn->flags &= ~NSF_BUFFER_BUT_DONT_SEND;
> + conn->ns_conn->flags |= conn->ns_conn->send_iobuf.len > 0 ?
> + NSF_FINISHED_SENDING_DATA : NSF_CLOSE_IMMEDIATELY;
> + conn->endpoint.nc = NULL;
> + }
> + } else if (conn != NULL) {
> + DBG(("%p %p %d closing", conn, nc, conn->endpoint_type));
> +
> + if (conn->endpoint_type == EP_CLIENT && nc->recv_iobuf.len > 0) {
> + call_http_client_handler(conn);
> + }
> +
> + call_user(conn, MG_CLOSE);
> + close_local_endpoint(conn);
> + conn->ns_conn = NULL;
> + free(conn);
> + }
> + break;
> +
> + case NS_POLL:
> + if (conn != NULL) {
> + if (call_user(conn, MG_POLL) == MG_TRUE) {
> + if (conn->ns_conn->flags & MG_HEADERS_SENT) {
> + write_terminating_chunk(conn);
> + }
> + close_local_endpoint(conn);
> + }
> +
> + if (conn->endpoint_type == EP_FILE) {
> + transfer_file_data(conn);
> + }
> + }
> +
> + // Expire idle connections
> + {
> + time_t current_time = * (time_t *) p;
> +
> + if (conn != NULL && conn->mg_conn.is_websocket) {
> + ping_idle_websocket_connection(conn, current_time);
> + }
> +
> + if (nc->listener != NULL &&
> + nc->last_io_time + MONGOOSE_IDLE_TIMEOUT_SECONDS < current_time) {
> + mg_ev_handler(nc, NS_CLOSE, NULL);
> + nc->flags |= NSF_CLOSE_IMMEDIATELY;
> + }
> + }
> + break;
> +
> + default:
> + break;
> + }
> +}
> +
> +/*
> + Broken, but not needed.
> +
> +static void iter2(struct ns_connection *nc, int ev, void *param) {
> + mg_handler_t func = NULL;
> + struct connection *conn = (struct connection *) nc->user_data;
> + const char *msg = (const char *) param;
> + int n;
> + (void) ev;
> +
> + //DBG(("%p [%s]", conn, msg));
> + if (sscanf(msg, "%p %n", &func, &n) && func != NULL) {
> + conn->mg_conn.callback_param = (void *) (msg + n);
> + func(&conn->mg_conn, MG_POLL);
> + }
> +}
> +
> +void mg_wakeup_server_ex(struct mg_server *server, mg_handler_t cb,
> + const char *fmt, ...) {
> + va_list ap;
> + char buf[8 * 1024];
> + int len;
> +
> + // Encode callback (cb) into a buffer
> + len = snprintf(buf, sizeof(buf), "%p ", cb);
> + va_start(ap, fmt);
> + len += vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
> + va_end(ap);
> +
> + // "len + 1" is to include terminating \0 in the message
> + ns_broadcast(&server->ns_mgr, iter2, buf, len + 1);
> +}
> +*/
> +
> +void mg_wakeup_server(struct mg_server *server) {
> + ns_broadcast(&server->ns_mgr, NULL, (void *) "", 0);
> +}
> +
> +const char *mg_get_option(const struct mg_server *server, const char *name) {
> + const char **opts = (const char **) server->config_options;
> + int i = get_option_index(name);
> + return i == -1 ? NULL : opts[i] == NULL ? "" : opts[i];
> +}
> +
> +struct mg_server *mg_create_server(void *server_data, mg_handler_t handler) {
> + struct mg_server *server = (struct mg_server *) calloc(1, sizeof(*server));
> + ns_mgr_init(&server->ns_mgr, server_data);
> + set_default_option_values(server->config_options);
> + server->event_handler = handler;
> + return server;
> +}
>
> === added file 'tests/unit-tests/mongoose.h'
> --- tests/unit-tests/mongoose.h 1970-01-01 00:00:00 +0000
> +++ tests/unit-tests/mongoose.h 2014-10-21 20:16:18 +0000
> @@ -0,0 +1,153 @@
> +// Copyright (c) 2004-2013 Sergey Lyubka <valenok at gmail.com>
> +// Copyright (c) 2013-2014 Cesanta Software Limited
> +// All rights reserved
> +//
> +// This library is dual-licensed: you can redistribute it and/or modify
> +// it under the terms of the GNU General Public License version 2 as
> +// published by the Free Software Foundation. For the terms of this
> +// license, see <http://www.gnu.org/licenses/>.
> +//
> +// You are free to use this library under the terms of the GNU General
> +// Public License, but WITHOUT ANY WARRANTY; without even the implied
> +// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> +// See the GNU General Public License for more details.
> +//
> +// Alternatively, you can license this library under a commercial
> +// license, as set out in <http://cesanta.com/>.
> +//
> +// $Date: 2014-09-09 17:07:55 UTC $
> +
> +#ifndef MONGOOSE_HEADER_INCLUDED
> +#define MONGOOSE_HEADER_INCLUDED
> +
> +#define MONGOOSE_VERSION "5.4"
> +
> +#include <stdio.h> // required for FILE
> +#include <stddef.h> // required for size_t
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif // __cplusplus
> +
> +// This structure contains information about HTTP request.
> +struct mg_connection {
> + const char *request_method; // "GET", "POST", etc
> + const char *uri; // URL-decoded URI
> + const char *http_version; // E.g. "1.0", "1.1"
> + const char *query_string; // URL part after '?', not including '?', or NULL
> +
> + char remote_ip[48]; // Max IPv6 string length is 45 characters
> + char local_ip[48]; // Local IP address
> + unsigned short remote_port; // Client's port
> + unsigned short local_port; // Local port number
> +
> + int num_headers; // Number of HTTP headers
> + struct mg_header {
> + const char *name; // HTTP header name
> + const char *value; // HTTP header value
> + } http_headers[30];
> +
> + char *content; // POST (or websocket message) data, or NULL
> + size_t content_len; // Data length
> +
> + int is_websocket; // Connection is a websocket connection
> + int status_code; // HTTP status code for HTTP error handler
> + int wsbits; // First byte of the websocket frame
> + void *server_param; // Parameter passed to mg_add_uri_handler()
> + void *connection_param; // Placeholder for connection-specific data
> + void *callback_param;
> +};
> +
> +struct mg_server; // Opaque structure describing server instance
> +enum mg_result { MG_FALSE, MG_TRUE, MG_MORE };
> +enum mg_event {
> + MG_POLL = 100, // Callback return value is ignored
> + MG_CONNECT, // If callback returns MG_FALSE, connect fails
> + MG_AUTH, // If callback returns MG_FALSE, authentication fails
> + MG_REQUEST, // If callback returns MG_FALSE, Mongoose continues with req
> + MG_REPLY, // If callback returns MG_FALSE, Mongoose closes connection
> + MG_RECV, // Mongoose has received POST data chunk.
> + // Callback should return a number of bytes to discard from
> + // the receive buffer, or -1 to close the connection.
> + MG_CLOSE, // Connection is closed, callback return value is ignored
> + MG_WS_HANDSHAKE, // New websocket connection, handshake request
> + MG_WS_CONNECT, // New websocket connection established
> + MG_HTTP_ERROR // If callback returns MG_FALSE, Mongoose continues with err
> +};
> +typedef int (*mg_handler_t)(struct mg_connection *, enum mg_event);
> +
> +// Websocket opcodes, from http://tools.ietf.org/html/rfc6455
> +enum {
> + WEBSOCKET_OPCODE_CONTINUATION = 0x0,
> + WEBSOCKET_OPCODE_TEXT = 0x1,
> + WEBSOCKET_OPCODE_BINARY = 0x2,
> + WEBSOCKET_OPCODE_CONNECTION_CLOSE = 0x8,
> + WEBSOCKET_OPCODE_PING = 0x9,
> + WEBSOCKET_OPCODE_PONG = 0xa
> +};
> +
> +// Server management functions
> +struct mg_server *mg_create_server(void *server_param, mg_handler_t handler);
> +void mg_destroy_server(struct mg_server **);
> +const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
> +int mg_poll_server(struct mg_server *, int milliseconds);
> +const char **mg_get_valid_option_names(void);
> +const char *mg_get_option(const struct mg_server *server, const char *name);
> +void mg_copy_listeners(struct mg_server *from, struct mg_server *to);
> +struct mg_connection *mg_next(struct mg_server *, struct mg_connection *);
> +void mg_wakeup_server(struct mg_server *);
> +void mg_wakeup_server_ex(struct mg_server *, mg_handler_t, const char *, ...);
> +struct mg_connection *mg_connect(struct mg_server *, const char *);
> +
> +// Connection management functions
> +void mg_send_status(struct mg_connection *, int status_code);
> +void mg_send_header(struct mg_connection *, const char *name, const char *val);
> +size_t mg_send_data(struct mg_connection *, const void *data, int data_len);
> +size_t mg_printf_data(struct mg_connection *, const char *format, ...);
> +size_t mg_write(struct mg_connection *, const void *buf, int len);
> +size_t mg_printf(struct mg_connection *conn, const char *fmt, ...);
> +
> +size_t mg_websocket_write(struct mg_connection *, int opcode,
> + const char *data, size_t data_len);
> +size_t mg_websocket_printf(struct mg_connection* conn, int opcode,
> + const char *fmt, ...);
> +
> +void mg_send_file(struct mg_connection *, const char *path, const char *);
> +void mg_send_file_data(struct mg_connection *, int fd);
> +
> +const char *mg_get_header(const struct mg_connection *, const char *name);
> +const char *mg_get_mime_type(const char *name, const char *default_mime_type);
> +int mg_get_var(const struct mg_connection *conn, const char *var_name,
> + char *buf, size_t buf_len);
> +int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
> +int mg_parse_multipart(const char *buf, int buf_len,
> + char *var_name, int var_name_len,
> + char *file_name, int file_name_len,
> + const char **data, int *data_len);
> +
> +
> +// Utility functions
> +void *mg_start_thread(void *(*func)(void *), void *param);
> +char *mg_md5(char buf[33], ...);
> +int mg_authorize_digest(struct mg_connection *c, FILE *fp);
> +int mg_url_encode(const char *src, size_t s_len, char *dst, size_t dst_len);
> +int mg_url_decode(const char *src, int src_len, char *dst, int dst_len, int);
> +int mg_terminate_ssl(struct mg_connection *c, const char *cert);
> +int mg_forward(struct mg_connection *c, const char *addr);
> +void *mg_mmap(FILE *fp, size_t size);
> +void mg_munmap(void *p, size_t size);
> +
> +
> +// Templates support
> +struct mg_expansion {
> + const char *keyword;
> + void (*handler)(struct mg_connection *);
> +};
> +void mg_template(struct mg_connection *, const char *text,
> + struct mg_expansion *expansions);
> +
> +#ifdef __cplusplus
> +}
> +#endif // __cplusplus
> +
> +#endif // MONGOOSE_HEADER_INCLUDED
>
> === modified file 'tests/unit-tests/test-gstreamer-engine.cpp'
> --- tests/unit-tests/test-gstreamer-engine.cpp 2014-08-26 20:34:30 +0000
> +++ tests/unit-tests/test-gstreamer-engine.cpp 2014-10-21 20:16:18 +0000
> @@ -20,11 +20,14 @@
> #include <core/media/player.h>
> #include <core/media/track_list.h>
>
> +#include <core/posix/fork.h>
> +
> #include "core/media/xesam.h"
> #include "core/media/gstreamer/engine.h"
>
> #include "../test_data.h"
> #include "../waitable_state_transition.h"
> +#include "web_server.h"
>
> #include <gtest/gtest.h>
>
> @@ -152,6 +155,67 @@
> std::chrono::seconds{10}));
> }
>
> +TEST(GStreamerEngine, setting_uri_and_audio_playback_with_http_headers_works)
> +{
> + const std::string test_file{"/tmp/test.mp3"};
> + std::remove(test_file.c_str());
> + ASSERT_TRUE(test::copy_test_mp3_file_to(test_file));
> +
> + const std::string test_audio_uri{"http://localhost:5000"};
> + const core::ubuntu::media::Player::HeadersType headers{{ "User-Agent", "MediaHub" }, { "Cookie", "A=B;X=Y" }};
> +
> + // test server
> + core::testing::CrossProcessSync cps; // server - ready -> client
> +
> + testing::web::server::Configuration configuration
> + {
> + 5000,
> + [test_file](mg_connection* conn)
> + {
> + std::map<std::string, std::set<std::string>> headers;
> + for (int i = 0; i < conn->num_headers; ++i) {
> + headers[conn->http_headers[i].name].insert(conn->http_headers[i].value);
> + }
> +
> + EXPECT_TRUE(headers.at("User-Agent").count("MediaHub") == 1);
> + EXPECT_TRUE(headers.at("Cookie").count("A=B") == 1);
> + EXPECT_TRUE(headers.at("Cookie").count("X=Y") == 1);
> +
> + mg_send_file(conn, test_file.c_str(), 0);
> + return MG_MORE;
> + }
> + };
> +
> + auto server = core::posix::fork(
> + std::bind(testing::a_web_server(configuration), cps),
> + core::posix::StandardStream::empty);
> + cps.wait_for_signal_ready_for(std::chrono::seconds{2});
> + std::this_thread::sleep_for(std::chrono::milliseconds{500});
> +
> + // test
> + core::testing::WaitableStateTransition<core::ubuntu::media::Engine::State> wst(
> + core::ubuntu::media::Engine::State::ready);
> +
> + gstreamer::Engine engine;
> +
> + engine.state().changed().connect(
> + std::bind(
> + &core::testing::WaitableStateTransition<core::ubuntu::media::Engine::State>::trigger,
> + std::ref(wst),
> + std::placeholders::_1));
> +
> + EXPECT_TRUE(engine.open_resource_for_uri(test_audio_uri, headers));
> + EXPECT_TRUE(engine.play());
> + EXPECT_TRUE(wst.wait_for_state_for(
> + core::ubuntu::media::Engine::State::playing,
> + std::chrono::seconds{10}));
> +
> + EXPECT_TRUE(engine.stop());
> + EXPECT_TRUE(wst.wait_for_state_for(
> + core::ubuntu::media::Engine::State::stopped,
> + std::chrono::seconds{10}));
> +}
> +
> TEST(GStreamerEngine, stop_pause_play_seek_audio_only_works)
> {
> const std::string test_file{"/tmp/test.ogg"};
>
> === added file 'tests/unit-tests/web_server.h'
> --- tests/unit-tests/web_server.h 1970-01-01 00:00:00 +0000
> +++ tests/unit-tests/web_server.h 2014-10-21 20:16:18 +0000
> @@ -0,0 +1,127 @@
> +/*
> + * This program is free software: you can redistribute it and/or modify it
> + * under the terms of the GNU Lesser General Public License version 3,
> + * as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public License
> + * along with this program. If not, see <http://www.gnu.org/licenses/>.
> + *
> + * Authored by: Thomas Voß <thomas.voss at canonical.com>
> + */
> +#ifndef TESTING_WEB_SERVER_H_
> +#define TESTING_WEB_SERVER_H_
> +
> +#include <core/posix/exit.h>
> +#include <core/posix/signal.h>
> +
> +#include <core/testing/cross_process_sync.h>
> +#include <gtest/gtest.h>
> +
> +#include <cstdint>
> +
> +#include <functional>
> +#include <thread>
> +
> +#include "mongoose.h"
> +
> +namespace testing
> +{
> +namespace web
> +{
> +namespace server
> +{
> +// Configuration options for creating a testing web server.
> +struct Configuration
> +{
> + // The port to expose the web-server on.
> + std::uint16_t port;
> + // Function that is invoked for individual client requests.
> + std::function<int(mg_connection*)> request_handler;
> +};
> +}
> +}
> +// Returns an executable web-server for the given configuration.
> +inline std::function<core::posix::exit::Status(core::testing::CrossProcessSync& cps)> a_web_server(const web::server::Configuration& configuration)
> +{
> + return [configuration](core::testing::CrossProcessSync& cps)
> + {
> + bool terminated = false;
> +
> + // Register for SIG_TERM
> + auto trap = core::posix::trap_signals_for_all_subsequent_threads({core::posix::Signal::sig_term});
> + // On SIG_TERM, we set terminated to false and request a clean shutdown
> + // of the polling loop.
> + trap->signal_raised().connect([trap, &terminated](core::posix::Signal)
> + {
> + trap->stop();
> + terminated = true;
> + });
> +
> + struct Context
> + {
> + static int on_request(mg_connection* conn, mg_event ev)
> + {
> + auto thiz = static_cast<Context*>(conn->server_param);
> +
> + switch (ev)
> + {
> + case MG_REQUEST:
> + return thiz->handle_request(conn);
> + case MG_AUTH:
> + return MG_TRUE;
> + default:
> + return MG_FALSE;
> + }
> +
> + return MG_FALSE;
> + }
> +
> + int handle_request(mg_connection* conn)
> + {
> + return configuration.request_handler(conn);
> + }
> +
> + const testing::web::server::Configuration& configuration;
> + } context{configuration};
> +
> + std::thread trap_worker
> + {
> + [trap]()
> + {
> + trap->run();
> + }
> + };
> +
> + auto server = mg_create_server(&context, Context::on_request);
> + // Setup the port on which the server should be exposed.
> + mg_set_option(server, "listening_port", std::to_string(configuration.port).c_str());
> + // Notify framework that we are good to go
> + cps.try_signal_ready_for(std::chrono::milliseconds{500});
> + // Start the polling loop
> + for (;;)
> + {
> + mg_poll_server(server, 200);
> +
> + if (terminated)
> + break;
> + }
> +
> + // Cleanup, and free server instance
> + mg_destroy_server(&server);
> +
> + if (trap_worker.joinable())
> + trap_worker.join();
> +
> + return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
> + };
> +}
> +}
> +
> +#endif // TESTING_WEB_SERVER_H_
> +
> +
>
--
https://code.launchpad.net/~phablet-team/media-hub/oxide-support/+merge/236994
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