test/integration/test-cve-2013-1051-InRelease-parsing

   1 #!/bin/sh
   2 set -e
   3
   4 TESTDIR=$(readlink -f $(dirname $0))
   5 . $TESTDIR/framework
   6
   7 setupenvironment
   8 configarchitecture 'i386'
   9
  10 insertpackage 'stable' 'good-pkg' 'all' '1.0'
  11
  12 setupaptarchive
  13
  14 changetowebserver
  15 ARCHIVE='http://localhost/'
  16 msgtest 'Initial apt-get update should work with' 'InRelease'
  17 aptget update -qq && msgpass || msgfail
  18
  19 # check that the setup is correct
  20 testequal "good-pkg:
  21   Installed: (none)
  22   Candidate: 1.0
  23   Version table:
  24      1.0 0
  25         500 ${ARCHIVE} stable/main i386 Packages" aptcache policy good-pkg
  26
  27 # now exchange to the Packages file, note that this could be
  28 # done via MITM too
  29 insertpackage 'stable' 'bad-mitm' 'all' '1.0'
  30
  31 # this builds compressed files and a new (unsigned) Release
  32 buildaptarchivefromfiles '+1hour'
  33
  34 # add a space into the BEGIN PGP SIGNATURE PART/END PGP SIGNATURE part
  35 # to trick apt - this is still legal to gpg(v)
  36 sed -i '/^-----BEGIN PGP SIGNATURE-----/,/^-----END PGP SIGNATURE-----/ s/^$/  /g'  aptarchive/dists/stable/InRelease
  37
  38 # we append the (evil unsigned) Release file to the (good signed) InRelease
  39 cat aptarchive/dists/stable/Release >> aptarchive/dists/stable/InRelease
  40
  41
  42 # ensure the update fails
  43 # useful for debugging to add "-o Debug::pkgAcquire::auth=true"
  44 msgtest 'apt-get update for should fail with the modified' 'InRelease'
  45 aptget update 2>&1 | grep -q 'Hash Sum mismatch' > /dev/null && msgpass || msgfail
  46
  47 # ensure there is no package
  48 testequal 'Reading package lists...
  49 Building dependency tree...
  50 E: Unable to locate package bad-mitm' aptget install bad-mitm -s
  51
  52 # and verify that its not picked up
  53 testequal 'N: Unable to locate package bad-mitm' aptcache policy bad-mitm -q=0
  54
  55 # and that the right one is used
  56 testequal "good-pkg:
  57   Installed: (none)
  58   Candidate: 1.0
  59   Version table:
  60      1.0 0
  61         500 ${ARCHIVE} stable/main i386 Packages" aptcache policy good-pkg