t/t5550-http-fetch-dumb.sh

   1 #!/bin/sh
   2
   3 test_description='test dumb fetching over http via static file'
   4 . ./test-lib.sh
   5 . "$TEST_DIRECTORY"/lib-httpd.sh
   6 start_httpd
   7
   8 test_expect_success 'setup repository' '
   9         git config push.default matching &&
  10         echo content1 >file &&
  11         git add file &&
  12         git commit -m one &&
  13         echo content2 >file &&
  14         git add file &&
  15         git commit -m two
  16 '
  17
  18 test_expect_success 'create http-accessible bare repository with loose objects' '
  19         cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
  20         (cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
  21          git config core.bare true &&
  22          mkdir -p hooks &&
  23          echo "exec git update-server-info" >hooks/post-update &&
  24          chmod +x hooks/post-update &&
  25          hooks/post-update
  26         ) &&
  27         git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
  28         git push public master:master
  29 '
  30
  31 test_expect_success 'clone http repository' '
  32         git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
  33         cp -R clone-tmpl clone &&
  34         test_cmp file clone/file
  35 '
  36
  37 test_expect_success 'create password-protected repository' '
  38         mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
  39         cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
  40                "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
  41 '
  42
  43 setup_askpass_helper
  44
  45 test_expect_success 'cloning password-protected repository can fail' '
  46         set_askpass wrong &&
  47         test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
  48         expect_askpass both wrong
  49 '
  50
  51 test_expect_success 'http auth can use user/pass in URL' '
  52         set_askpass wrong &&
  53         git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
  54         expect_askpass none
  55 '
  56
  57 test_expect_success 'http auth can use just user in URL' '
  58         set_askpass wrong pass@host &&
  59         git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
  60         expect_askpass pass user@host
  61 '
  62
  63 test_expect_success 'http auth can request both user and pass' '
  64         set_askpass user@host pass@host &&
  65         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
  66         expect_askpass both user@host
  67 '
  68
  69 test_expect_success 'http auth respects credential helper config' '
  70         test_config_global credential.helper "!f() {
  71                 cat >/dev/null
  72                 echo username=user@host
  73                 echo password=pass@host
  74         }; f" &&
  75         set_askpass wrong &&
  76         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
  77         expect_askpass none
  78 '
  79
  80 test_expect_success 'http auth can get username from config' '
  81         test_config_global "credential.$HTTPD_URL.username" user@host &&
  82         set_askpass wrong pass@host &&
  83         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
  84         expect_askpass pass user@host
  85 '
  86
  87 test_expect_success 'configured username does not override URL' '
  88         test_config_global "credential.$HTTPD_URL.username" wrong &&
  89         set_askpass wrong pass@host &&
  90         git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
  91         expect_askpass pass user@host
  92 '
  93
  94 test_expect_success 'set up repo with http submodules' '
  95         git init super &&
  96         set_askpass user@host pass@host &&
  97         (
  98                 cd super &&
  99                 git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
 100                 git commit -m "add submodule"
 101         )
 102 '
 103
 104 test_expect_success 'cmdline credential config passes to submodule via clone' '
 105         set_askpass wrong pass@host &&
 106         test_must_fail git clone --recursive super super-clone &&
 107         rm -rf super-clone &&
 108
 109         set_askpass wrong pass@host &&
 110         git -c "credential.$HTTPD_URL.username=user@host" \
 111                 clone --recursive super super-clone &&
 112         expect_askpass pass user@host
 113 '
 114
 115 test_expect_success 'cmdline credential config passes submodule via fetch' '
 116         set_askpass wrong pass@host &&
 117         test_must_fail git -C super-clone fetch --recurse-submodules &&
 118
 119         set_askpass wrong pass@host &&
 120         git -C super-clone \
 121             -c "credential.$HTTPD_URL.username=user@host" \
 122             fetch --recurse-submodules &&
 123         expect_askpass pass user@host
 124 '
 125
 126 test_expect_success 'cmdline credential config passes submodule update' '
 127         # advance the submodule HEAD so that a fetch is required
 128         git commit --allow-empty -m foo &&
 129         git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
 130         sha1=$(git rev-parse HEAD) &&
 131         git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
 132
 133         set_askpass wrong pass@host &&
 134         test_must_fail git -C super-clone submodule update &&
 135
 136         set_askpass wrong pass@host &&
 137         git -C super-clone \
 138             -c "credential.$HTTPD_URL.username=user@host" \
 139             submodule update &&
 140         expect_askpass pass user@host
 141 '
 142
 143 test_expect_success 'fetch changes via http' '
 144         echo content >>file &&
 145         git commit -a -m two &&
 146         git push public &&
 147         (cd clone && git pull) &&
 148         test_cmp file clone/file
 149 '
 150
 151 test_expect_success 'fetch changes via manual http-fetch' '
 152         cp -R clone-tmpl clone2 &&
 153
 154         HEAD=$(git rev-parse --verify HEAD) &&
 155         (cd clone2 &&
 156          git http-fetch -a -w heads/master-new $HEAD $(git config remote.origin.url) &&
 157          git checkout master-new &&
 158          test $HEAD = $(git rev-parse --verify HEAD)) &&
 159         test_cmp file clone2/file
 160 '
 161
 162 test_expect_success 'http remote detects correct HEAD' '
 163         git push public master:other &&
 164         (cd clone &&
 165          git remote set-head origin -d &&
 166          git remote set-head origin -a &&
 167          git symbolic-ref refs/remotes/origin/HEAD > output &&
 168          echo refs/remotes/origin/master > expect &&
 169          test_cmp expect output
 170         )
 171 '
 172
 173 test_expect_success 'fetch packed objects' '
 174         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
 175         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
 176          git --bare repack -a -d
 177         ) &&
 178         git clone $HTTPD_URL/dumb/repo_pack.git
 179 '
 180
 181 test_expect_success 'fetch notices corrupt pack' '
 182         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
 183         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
 184          p=$(ls objects/pack/pack-*.pack) &&
 185          chmod u+w $p &&
 186          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
 187         ) &&
 188         mkdir repo_bad1.git &&
 189         (cd repo_bad1.git &&
 190          git --bare init &&
 191          test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
 192          test 0 = $(ls objects/pack/pack-*.pack | wc -l)
 193         )
 194 '
 195
 196 test_expect_success 'fetch notices corrupt idx' '
 197         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
 198         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
 199          p=$(ls objects/pack/pack-*.idx) &&
 200          chmod u+w $p &&
 201          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
 202         ) &&
 203         mkdir repo_bad2.git &&
 204         (cd repo_bad2.git &&
 205          git --bare init &&
 206          test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
 207          test 0 = $(ls objects/pack | wc -l)
 208         )
 209 '
 210
 211 test_expect_success 'fetch can handle previously-fetched .idx files' '
 212         git checkout --orphan branch1 &&
 213         echo base >file &&
 214         git add file &&
 215         git commit -m base &&
 216         git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
 217         git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
 218         git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
 219         git checkout -b branch2 branch1 &&
 220         echo b2 >>file &&
 221         git commit -a -m b2 &&
 222         git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
 223         git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
 224         git --bare init clone_packed_branches.git &&
 225         git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
 226         git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
 227 '
 228
 229 test_expect_success 'did not use upload-pack service' '
 230         test_might_fail grep '/git-upload-pack' <"$HTTPD_ROOT_PATH"/access.log >act &&
 231         : >exp &&
 232         test_cmp exp act
 233 '
 234
 235 test_expect_success 'git client shows text/plain errors' '
 236         test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
 237         grep "this is the error message" stderr
 238 '
 239
 240 test_expect_success 'git client does not show html errors' '
 241         test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
 242         ! grep "this is the error message" stderr
 243 '
 244
 245 test_expect_success 'git client shows text/plain with a charset' '
 246         test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
 247         grep "this is the error message" stderr
 248 '
 249
 250 test_expect_success 'http error messages are reencoded' '
 251         test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
 252         grep "this is the error message" stderr
 253 '
 254
 255 test_expect_success 'reencoding is robust to whitespace oddities' '
 256         test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
 257         grep "this is the error message" stderr
 258 '
 259
 260 check_language () {
 261         case "$2" in
 262         '')
 263                 >expect
 264                 ;;
 265         ?*)
 266                 echo "=> Send header: Accept-Language: $1" >expect
 267                 ;;
 268         esac &&
 269         GIT_TRACE_CURL=true \
 270         LANGUAGE=$2 \
 271         git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
 272         tr -d '\015' <output |
 273         sort -u |
 274         sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
 275         test_cmp expect actual
 276 }
 277
 278 test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
 279         check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
 280
 281 test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
 282         check_language "ko-KR, *;q=0.9" "ko_KR:" &&
 283         check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
 284         check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
 285         check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
 286         check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
 287
 288 test_expect_success 'git client sends Accept-Language with many preferred languages' '
 289         check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
 290 ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
 291                 ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
 292         check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
 293 ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
 294                 ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
 295 '
 296
 297 test_expect_success 'git client does not send an empty Accept-Language' '
 298         GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
 299         ! grep "^=> Send header: Accept-Language:" stderr
 300 '
 301
 302 test_expect_success 'remote-http complains cleanly about malformed urls' '
 303         # do not actually issue "list" or other commands, as we do not
 304         # want to rely on what curl would actually do with such a broken
 305         # URL. This is just about making sure we do not segfault during
 306         # initialization.
 307         test_must_fail git remote-http http::/example.com/repo.git
 308 '
 309
 310 test_expect_success 'redirects can be forbidden/allowed' '
 311         test_must_fail git -c http.followRedirects=false \
 312                 clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
 313         git -c http.followRedirects=true \
 314                 clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
 315 '
 316
 317 test_expect_success 'redirects are reported to stderr' '
 318         # just look for a snippet of the redirected-to URL
 319         test_i18ngrep /dumb/ stderr
 320 '
 321
 322 test_expect_success 'non-initial redirects can be forbidden' '
 323         test_must_fail git -c http.followRedirects=initial \
 324                 clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
 325         git -c http.followRedirects=true \
 326                 clone $HTTPD_URL/redir-objects/repo.git redir-objects
 327 '
 328
 329 test_expect_success 'http.followRedirects defaults to "initial"' '
 330         test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
 331 '
 332
 333 # The goal is for a clone of the "evil" repository, which has no objects
 334 # itself, to cause the client to fetch objects from the "victim" repository.
 335 test_expect_success 'set up evil alternates scheme' '
 336         victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
 337         git init --bare "$victim" &&
 338         git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
 339         git -C "$victim" repack -ad &&
 340         git -C "$victim" update-server-info &&
 341         sha1=$(git -C "$victim" rev-parse HEAD) &&
 342
 343         evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
 344         git init --bare "$evil" &&
 345         # do this by hand to avoid object existence check
 346         printf "%s\\t%s\\n" $sha1 refs/heads/master >"$evil/info/refs"
 347 '
 348
 349 # Here we'll just redirect via HTTP. In a real-world attack these would be on
 350 # different servers, but we should reject it either way.
 351 test_expect_success 'http-alternates is a non-initial redirect' '
 352         echo "$HTTPD_URL/dumb/victim.git/objects" \
 353                 >"$evil/objects/info/http-alternates" &&
 354         test_must_fail git -c http.followRedirects=initial \
 355                 clone $HTTPD_URL/dumb/evil.git evil-initial &&
 356         git -c http.followRedirects=true \
 357                 clone $HTTPD_URL/dumb/evil.git evil-initial
 358 '
 359
 360 # Curl supports a lot of protocols that we'd prefer not to allow
 361 # http-alternates to use, but it's hard to test whether curl has
 362 # accessed, say, the SMTP protocol, because we are not running an SMTP server.
 363 # But we can check that it does not allow access to file://, which would
 364 # otherwise allow this clone to complete.
 365 test_expect_success 'http-alternates cannot point at funny protocols' '
 366         echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
 367         test_must_fail git -c http.followRedirects=true \
 368                 clone "$HTTPD_URL/dumb/evil.git" evil-file
 369 '
 370
 371 test_expect_success 'http-alternates triggers not-from-user protocol check' '
 372         echo "$HTTPD_URL/dumb/victim.git/objects" \
 373                 >"$evil/objects/info/http-alternates" &&
 374         test_config_global http.followRedirects true &&
 375         test_must_fail git -c protocol.http.allow=user \
 376                 clone $HTTPD_URL/dumb/evil.git evil-user &&
 377         git -c protocol.http.allow=always \
 378                 clone $HTTPD_URL/dumb/evil.git evil-user
 379 '
 380
 381 stop_httpd
 382 test_done