t/t5570-git-daemon.sh

   1 #!/bin/sh
   2
   3 test_description='test fetching over git protocol'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8
   9 . "$TEST_DIRECTORY"/lib-git-daemon.sh
  10 start_git_daemon
  11
  12 check_verbose_connect () {
  13         test_grep -F "Looking up 127.0.0.1 ..." stderr &&
  14         test_grep -F "Connecting to 127.0.0.1 (port " stderr &&
  15         test_grep -F "done." stderr
  16 }
  17
  18 test_expect_success 'setup repository' '
  19         git config push.default matching &&
  20         echo content >file &&
  21         git add file &&
  22         git commit -m one
  23 '
  24
  25 test_expect_success 'create git-accessible bare repository' '
  26         mkdir "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
  27         (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
  28          git --bare init &&
  29          : >git-daemon-export-ok
  30         ) &&
  31         git remote add public "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
  32         git push public main:main
  33 '
  34
  35 test_expect_success 'clone git repository' '
  36         git clone -v "$GIT_DAEMON_URL/repo.git" clone 2>stderr &&
  37         check_verbose_connect &&
  38         test_cmp file clone/file
  39 '
  40
  41 test_expect_success 'fetch changes via git protocol' '
  42         echo content >>file &&
  43         git commit -a -m two &&
  44         git push public &&
  45         (cd clone && git pull -v) 2>stderr &&
  46         check_verbose_connect &&
  47         test_cmp file clone/file
  48 '
  49
  50 test_expect_success 'no-op fetch -v stderr is as expected' '
  51         (cd clone && git fetch -v) 2>stderr &&
  52         check_verbose_connect
  53 '
  54
  55 test_expect_success 'no-op fetch without "-v" is quiet' '
  56         (cd clone && git fetch 2>../stderr) &&
  57         test_must_be_empty stderr
  58 '
  59
  60 test_expect_success 'remote detects correct HEAD' '
  61         git push public main:other &&
  62         (cd clone &&
  63          git remote set-head -d origin &&
  64          git remote set-head -a origin &&
  65          git symbolic-ref refs/remotes/origin/HEAD > output &&
  66          echo refs/remotes/origin/main > expect &&
  67          test_cmp expect output
  68         )
  69 '
  70
  71 test_expect_success 'prepare pack objects' '
  72         cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&
  73         (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&
  74          git --bare repack -a -d
  75         )
  76 '
  77
  78 test_expect_success 'fetch notices corrupt pack' '
  79         cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
  80         (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
  81          p=$(ls objects/pack/pack-*.pack) &&
  82          chmod u+w $p &&
  83          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
  84         ) &&
  85         mkdir repo_bad1.git &&
  86         (cd repo_bad1.git &&
  87          git --bare init &&
  88          test_must_fail git --bare fetch "$GIT_DAEMON_URL/repo_bad1.git" &&
  89          test 0 = $(ls objects/pack/pack-*.pack | wc -l)
  90         )
  91 '
  92
  93 test_expect_success 'fetch notices corrupt idx' '
  94         cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
  95         (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
  96          rm -f objects/pack/multi-pack-index &&
  97          p=$(ls objects/pack/pack-*.idx) &&
  98          chmod u+w $p &&
  99          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
 100         ) &&
 101         mkdir repo_bad2.git &&
 102         (cd repo_bad2.git &&
 103          git --bare init &&
 104          test_must_fail git --bare fetch "$GIT_DAEMON_URL/repo_bad2.git" &&
 105          test 0 = $(ls objects/pack | wc -l)
 106         )
 107 '
 108
 109 test_expect_success 'client refuses to ask for repo with newline' '
 110         test_must_fail git clone "$GIT_DAEMON_URL/repo$LF.git" dst 2>stderr &&
 111         test_grep newline.is.forbidden stderr
 112 '
 113
 114 test_remote_error()
 115 {
 116         do_export=YesPlease
 117         while test $# -gt 0
 118         do
 119                 case $1 in
 120                 -x)
 121                         shift
 122                         chmod -x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git"
 123                         ;;
 124                 -n)
 125                         shift
 126                         do_export=
 127                         ;;
 128                 *)
 129                         break
 130                 esac
 131         done
 132
 133         msg=$1
 134         shift
 135         cmd=$1
 136         shift
 137         repo=$1
 138         shift || error "invalid number of arguments"
 139
 140         if test -x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo"
 141         then
 142                 if test -n "$do_export"
 143                 then
 144                         : >"$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo/git-daemon-export-ok"
 145                 else
 146                         rm -f "$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo/git-daemon-export-ok"
 147                 fi
 148         fi
 149
 150         test_must_fail git "$cmd" "$GIT_DAEMON_URL/$repo" "$@" 2>output &&
 151         test_grep "fatal: remote error: $msg: /$repo" output &&
 152         ret=$?
 153         chmod +x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git"
 154         (exit $ret)
 155 }
 156
 157 msg="access denied or repository not exported"
 158 test_expect_success 'clone non-existent' "test_remote_error    '$msg' clone nowhere.git"
 159 test_expect_success 'push disabled'      "test_remote_error    '$msg' push  repo.git main"
 160 test_expect_success 'read access denied' "test_remote_error -x '$msg' fetch repo.git"
 161 test_expect_success 'not exported'       "test_remote_error -n '$msg' fetch repo.git"
 162
 163 stop_git_daemon
 164 start_git_daemon --informative-errors
 165
 166 test_expect_success 'clone non-existent' "test_remote_error    'no such repository'      clone nowhere.git"
 167 test_expect_success 'push disabled'      "test_remote_error    'service not enabled'     push  repo.git main"
 168 test_expect_success 'read access denied' "test_remote_error -x 'no such repository'      fetch repo.git"
 169 test_expect_success 'not exported'       "test_remote_error -n 'repository not exported' fetch repo.git"
 170
 171 stop_git_daemon
 172 start_git_daemon --interpolated-path="$GIT_DAEMON_DOCUMENT_ROOT_PATH/%H%D"
 173
 174 test_expect_success 'access repo via interpolated hostname' '
 175         repo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/localhost/interp.git" &&
 176         git init --bare "$repo" &&
 177         git push "$repo" HEAD &&
 178         >"$repo"/git-daemon-export-ok &&
 179         GIT_OVERRIDE_VIRTUAL_HOST=localhost \
 180                 git ls-remote "$GIT_DAEMON_URL/interp.git" &&
 181         GIT_OVERRIDE_VIRTUAL_HOST=LOCALHOST \
 182                 git ls-remote "$GIT_DAEMON_URL/interp.git"
 183 '
 184
 185 test_expect_success 'hostname cannot break out of directory' '
 186         repo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/../escape.git" &&
 187         git init --bare "$repo" &&
 188         git push "$repo" HEAD &&
 189         >"$repo"/git-daemon-export-ok &&
 190         test_must_fail \
 191                 env GIT_OVERRIDE_VIRTUAL_HOST=.. \
 192                 git ls-remote "$GIT_DAEMON_URL/escape.git"
 193 '
 194
 195 test_expect_success FAKENC 'hostname interpolation works after LF-stripping' '
 196         {
 197                 printf "git-upload-pack /interp.git\n\0host=localhost" | packetize_raw &&
 198                 printf "0000"
 199         } >input &&
 200         fake_nc "$GIT_DAEMON_HOST_PORT" <input >output &&
 201         depacketize <output >output.raw &&
 202
 203         # just pick out the value of main, which avoids any protocol
 204         # particulars
 205         perl -lne "print \$1 if m{^(\\S+) refs/heads/main}" <output.raw >actual &&
 206         git -C "$repo" rev-parse main >expect &&
 207         test_cmp expect actual
 208 '
 209
 210 test_done