[Bug 1172101] Re: wget-udeb should install to /usr/bin/wget instead of /usr/bin/wget.gnu

Adam Conrad adconrad at 0c3.net
Tue Jul 16 15:36:00 UTC 2013


It gets more interesting than the above analysis, because we're calling
wget with -q.  In busybox, this still prints errors, in GNU wget, this
shuts it up completely.   The equivalent mode in GNU wget would be --no-
verbose, but busybox doesn't provide that switch.

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Title:
  wget-udeb should install to /usr/bin/wget instead of /usr/bin/wget.gnu

Status in “wget” package in Ubuntu:
  Triaged

Bug description:
  In the Ubuntu raring (13.04) version of wget, there is a wget-udeb
  which installs its binary executable to /usr/bin/wget.gnu.

  This is presumably done in order to not break any setups that depend
  on busybox's wget implementation.

  However, since the primary reason wget-udeb exists in Ubuntu (wget-
  udeb is not built in Debian afaik) is because of the lack of SSL
  support in d-i and busybox-wget, it seems logical (to me) that it
  should overwrite the busybox wget symlink.  You're choosing to opt-in
  to GNU wget, so you're already rebuilding d-i/debian-cd and therefore
  know you're somewhat on your own.

  Unless there is a common use case I'm not considering where you want
  SSL support for something else, but somehow depend on the busybox
  implementation of wget for the debootstrap portion of the install.

  What I expect to happen:
  1) modify d-i source to include wget-udeb
  2) rebuild d-i and point my sources to HTTPS repositories
  3) install Ubuntu without fear of the traffic being snooped in transit

  What happens instead:
  1) modify d-i source to include wget-udeb
  2) rebuild d-i and point sources to HTTPS repositories
  3) install fails because d-i calls /usr/bin/wget which points to busybox (which has no SSL support)

  Thanks for your time!

  Please note: this suggestion is not intended to securely authenticate
  the repository; that's absolutely another issue.  This is simply to
  address potential snooping of traffic in transit.

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