[Bug 1861721] Re: curl imap returns error 78 File not found instead of the email

[Paul White]

** Package changed: ubuntu => curl (Ubuntu)

** Tags added: bionic

** Bug watch added: github.com/curl/curl/issues #4479
   https://github.com/curl/curl/issues/4479

** Also affects: curl via
   https://github.com/curl/curl/issues/4479
   Importance: Unknown
       Status: Unknown

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Title:
  curl imap returns error 78 File not found instead of the email

Status in Curl:
  Unknown
Status in curl package in Ubuntu:
  New

Bug description:
  The version of curl included in Ubuntu 18.04 LTS has a bug that causes
  the imap sub-command/scheme to return Error 78 File not found when it
  should return the contents of the email.

  This is documented in the Bug Report on GitHub as:
  https://github.com/curl/curl/issues/4479

  The version supplied in Ubuntu 19.10, and future 20.04 LTS will be the
  fixed version.

  Ubuntu 18.04
  Version:
  $ curl -V
  curl 7.58.0 (x86_64-pc-linux-gnu) libcurl/7.58.0 OpenSSL/1.1.1 zlib/1.2.11 libidn2/2.0.4 libpsl/0.19.1 (+libidn2/2.0.4) nghttp2/1.30.0 librtmp/2.3
  Release-Date: 2018-01-24
  Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp smb smbs smtp smtps telnet tftp 
  Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets HTTPS-proxy PSL 

  Command:
  $ curl --insecure --url "imaps://email.example.co.nz/Spam;UID=33" -n
  curl: (78) Remote file not found

  Ubuntu 19.10
  Version:
  $ curl -V
  curl 7.65.3 (x86_64-pc-linux-gnu) libcurl/7.65.3 OpenSSL/1.1.1c zlib/1.2.11 libidn2/2.2.0 libpsl/0.20.2 (+libidn2/2.0.5) libssh/0.9.0/openssl/zlib nghttp2/1.39.2 librtmp/2.3
  Release-Date: 2019-07-19
  Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp 
  Features: AsynchDNS GSS-API HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM NTLM_WB PSL SPNEGO SSL TLS-SRP UnixSockets

  Command:
  $ curl --insecure --url "imaps://email.example.co.nz/Spam;UID=33" -n
  Return-Path: <bounce_jmldcnc_o-xxx.xxx=email.co.nz at emsend.com>
  Received: from email.example.co.nz ([unix socket])
  	 by email (Cyrus x.xx.xx. with LMTPA;
  	 Tue, 28 Jan 2020 22:05:56 +1300
  X-Sieve: CMU Sieve x.x
  8x ---- Snip ---- x8

  Also the version supplied with OSX works correctly.

  % curl -V
  curl 7.64.1 (x86_64-apple-darwin19.0) libcurl/7.64.1 (SecureTransport) LibreSSL/2.8.3 zlib/1.2.11 nghttp2/1.39.2
  Release-Date: 2019-03-27
  Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp smb smbs smtp smtps telnet tftp 
  Features: AsynchDNS GSS-API HTTP2 HTTPS-proxy IPv6 Kerberos Largefile libz MultiSSL NTLM NTLM_WB SPNEGO SSL UnixSockets

  
  Running curl with -v returns this for a failed download (after authentication and other house keeping):

  > A003 SELECT Spam
  < * 8 EXISTS
  < * 0 RECENT
  < * FLAGS (\Answered \Flagged \Draft \Deleted \Seen)
  < * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen \*)] Ok
  < * OK [UIDVALIDITY 1573031905] Ok
  < * OK [UIDNEXT 41] Ok
  < * OK [HIGHESTMODSEQ 89] Ok
  < * OK [URLMECH INTERNAL] Ok
  < * OK [ANNOTATIONS 65536] Ok
  < A003 OK [READ-WRITE] Completed
  > A004 FETCH 33 BODY[]
  < A004 NO No matching messages (0.000 sec)
  > A005 LOGOUT
  < * BYE LOGOUT received
  < A005 OK Completed
  * Closing connection 0
  curl: (78) Remote file not found

  
  Cheers
  Jim

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