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 "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
  21          git config core.bare true &&
  22          mkdir -p hooks &&
  23          write_script "hooks/post-update" <<-\EOF &&
  24          exec git update-server-info
  25         EOF
  26          hooks/post-update
  27         ) &&
  28         git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
  29         git push public master:master
  30 '
  31
  32 test_expect_success 'clone http repository' '
  33         git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
  34         cp -R clone-tmpl clone &&
  35         test_cmp file clone/file
  36 '
  37
  38 test_expect_success 'list refs from outside any repository' '
  39         cat >expect <<-EOF &&
  40         $(git rev-parse master) HEAD
  41         $(git rev-parse master) refs/heads/master
  42         EOF
  43         nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
  44         test_cmp expect actual
  45 '
  46
  47 test_expect_success 'create password-protected repository' '
  48         mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
  49         cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
  50                "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
  51 '
  52
  53 test_expect_success 'create empty remote repository' '
  54         git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
  55         (cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
  56          mkdir -p hooks &&
  57          write_script "hooks/post-update" <<-\EOF &&
  58          exec git update-server-info
  59         EOF
  60          hooks/post-update
  61         )
  62 '
  63
  64 test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
  65         test_when_finished "rm -fr clone-empty" &&
  66         git clone $HTTPD_URL/dumb/empty.git clone-empty &&
  67         git -C clone-empty rev-parse --show-object-format >empty-format &&
  68         test "$(cat empty-format)" = "$(test_oid algo)"
  69 '
  70
  71 setup_askpass_helper
  72
  73 test_expect_success 'cloning password-protected repository can fail' '
  74         set_askpass wrong &&
  75         test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
  76         expect_askpass both wrong
  77 '
  78
  79 test_expect_success 'http auth can use user/pass in URL' '
  80         set_askpass wrong &&
  81         git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
  82         expect_askpass none
  83 '
  84
  85 test_expect_success 'http auth can use just user in URL' '
  86         set_askpass wrong pass@host &&
  87         git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
  88         expect_askpass pass user@host
  89 '
  90
  91 test_expect_success 'http auth can request both user and pass' '
  92         set_askpass user@host pass@host &&
  93         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
  94         expect_askpass both user@host
  95 '
  96
  97 test_expect_success 'http auth respects credential helper config' '
  98         test_config_global credential.helper "!f() {
  99                 cat >/dev/null
 100                 echo username=user@host
 101                 echo password=pass@host
 102         }; f" &&
 103         set_askpass wrong &&
 104         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
 105         expect_askpass none
 106 '
 107
 108 test_expect_success 'http auth can get username from config' '
 109         test_config_global "credential.$HTTPD_URL.username" user@host &&
 110         set_askpass wrong pass@host &&
 111         git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
 112         expect_askpass pass user@host
 113 '
 114
 115 test_expect_success 'configured username does not override URL' '
 116         test_config_global "credential.$HTTPD_URL.username" wrong &&
 117         set_askpass wrong pass@host &&
 118         git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
 119         expect_askpass pass user@host
 120 '
 121
 122 test_expect_success 'set up repo with http submodules' '
 123         git init super &&
 124         set_askpass user@host pass@host &&
 125         (
 126                 cd super &&
 127                 git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
 128                 git commit -m "add submodule"
 129         )
 130 '
 131
 132 test_expect_success 'cmdline credential config passes to submodule via clone' '
 133         set_askpass wrong pass@host &&
 134         test_must_fail git clone --recursive super super-clone &&
 135         rm -rf super-clone &&
 136
 137         set_askpass wrong pass@host &&
 138         git -c "credential.$HTTPD_URL.username=user@host" \
 139                 clone --recursive super super-clone &&
 140         expect_askpass pass user@host
 141 '
 142
 143 test_expect_success 'cmdline credential config passes submodule via fetch' '
 144         set_askpass wrong pass@host &&
 145         test_must_fail git -C super-clone fetch --recurse-submodules &&
 146
 147         set_askpass wrong pass@host &&
 148         git -C super-clone \
 149             -c "credential.$HTTPD_URL.username=user@host" \
 150             fetch --recurse-submodules &&
 151         expect_askpass pass user@host
 152 '
 153
 154 test_expect_success 'cmdline credential config passes submodule update' '
 155         # advance the submodule HEAD so that a fetch is required
 156         git commit --allow-empty -m foo &&
 157         git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
 158         sha1=$(git rev-parse HEAD) &&
 159         git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
 160
 161         set_askpass wrong pass@host &&
 162         test_must_fail git -C super-clone submodule update &&
 163
 164         set_askpass wrong pass@host &&
 165         git -C super-clone \
 166             -c "credential.$HTTPD_URL.username=user@host" \
 167             submodule update &&
 168         expect_askpass pass user@host
 169 '
 170
 171 test_expect_success 'fetch changes via http' '
 172         echo content >>file &&
 173         git commit -a -m two &&
 174         git push public &&
 175         (cd clone && git pull) &&
 176         test_cmp file clone/file
 177 '
 178
 179 test_expect_success 'fetch changes via manual http-fetch' '
 180         cp -R clone-tmpl clone2 &&
 181
 182         HEAD=$(git rev-parse --verify HEAD) &&
 183         (cd clone2 &&
 184          git http-fetch -a -w heads/master-new $HEAD $(git config remote.origin.url) &&
 185          git checkout master-new &&
 186          test $HEAD = $(git rev-parse --verify HEAD)) &&
 187         test_cmp file clone2/file
 188 '
 189
 190 test_expect_success 'manual http-fetch without -a works just as well' '
 191         cp -R clone-tmpl clone3 &&
 192
 193         HEAD=$(git rev-parse --verify HEAD) &&
 194         (cd clone3 &&
 195          git http-fetch -w heads/master-new $HEAD $(git config remote.origin.url) &&
 196          git checkout master-new &&
 197          test $HEAD = $(git rev-parse --verify HEAD)) &&
 198         test_cmp file clone3/file
 199 '
 200
 201 test_expect_success 'http remote detects correct HEAD' '
 202         git push public master:other &&
 203         (cd clone &&
 204          git remote set-head origin -d &&
 205          git remote set-head origin -a &&
 206          git symbolic-ref refs/remotes/origin/HEAD > output &&
 207          echo refs/remotes/origin/master > expect &&
 208          test_cmp expect output
 209         )
 210 '
 211
 212 test_expect_success 'fetch packed objects' '
 213         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
 214         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
 215          git --bare repack -a -d
 216         ) &&
 217         git clone $HTTPD_URL/dumb/repo_pack.git
 218 '
 219
 220 test_expect_success 'http-fetch --packfile' '
 221         # Arbitrary hash. Use rev-parse so that we get one of the correct
 222         # length.
 223         ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
 224
 225         git init packfileclient &&
 226         p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
 227         git -C packfileclient http-fetch --packfile=$ARBITRARY "$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
 228
 229         grep "^keep.[0-9a-f]\{16,\}$" out &&
 230         cut -c6- out >packhash &&
 231
 232         # Ensure that the expected files are generated
 233         test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
 234         test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
 235         test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
 236
 237         # Ensure that it has the HEAD of repo_pack, at least
 238         HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
 239         git -C packfileclient cat-file -e "$HASH"
 240 '
 241
 242 test_expect_success 'fetch notices corrupt pack' '
 243         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
 244         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
 245          p=$(ls objects/pack/pack-*.pack) &&
 246          chmod u+w $p &&
 247          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
 248         ) &&
 249         mkdir repo_bad1.git &&
 250         (cd repo_bad1.git &&
 251          git --bare init &&
 252          test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
 253          test 0 = $(ls objects/pack/pack-*.pack | wc -l)
 254         )
 255 '
 256
 257 test_expect_success 'http-fetch --packfile with corrupt pack' '
 258         rm -rf packfileclient &&
 259         git init packfileclient &&
 260         p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
 261         test_must_fail git -C packfileclient http-fetch --packfile \
 262                 "$HTTPD_URL"/dumb/repo_bad1.git/$p
 263 '
 264
 265 test_expect_success 'fetch notices corrupt idx' '
 266         cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
 267         (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
 268          p=$(ls objects/pack/pack-*.idx) &&
 269          chmod u+w $p &&
 270          printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
 271         ) &&
 272         mkdir repo_bad2.git &&
 273         (cd repo_bad2.git &&
 274          git --bare init &&
 275          test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
 276          test 0 = $(ls objects/pack | wc -l)
 277         )
 278 '
 279
 280 test_expect_success 'fetch can handle previously-fetched .idx files' '
 281         git checkout --orphan branch1 &&
 282         echo base >file &&
 283         git add file &&
 284         git commit -m base &&
 285         git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
 286         git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
 287         git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
 288         git checkout -b branch2 branch1 &&
 289         echo b2 >>file &&
 290         git commit -a -m b2 &&
 291         git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
 292         git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
 293         git --bare init clone_packed_branches.git &&
 294         git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
 295         git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
 296 '
 297
 298 test_expect_success 'did not use upload-pack service' '
 299         ! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
 300 '
 301
 302 test_expect_success 'git client shows text/plain errors' '
 303         test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
 304         grep "this is the error message" stderr
 305 '
 306
 307 test_expect_success 'git client does not show html errors' '
 308         test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
 309         ! grep "this is the error message" stderr
 310 '
 311
 312 test_expect_success 'git client shows text/plain with a charset' '
 313         test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
 314         grep "this is the error message" stderr
 315 '
 316
 317 test_expect_success 'http error messages are reencoded' '
 318         test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
 319         grep "this is the error message" stderr
 320 '
 321
 322 test_expect_success 'reencoding is robust to whitespace oddities' '
 323         test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
 324         grep "this is the error message" stderr
 325 '
 326
 327 check_language () {
 328         case "$2" in
 329         '')
 330                 >expect
 331                 ;;
 332         ?*)
 333                 echo "=> Send header: Accept-Language: $1" >expect
 334                 ;;
 335         esac &&
 336         GIT_TRACE_CURL=true \
 337         LANGUAGE=$2 \
 338         git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
 339         tr -d '\015' <output |
 340         sort -u |
 341         sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
 342         test_cmp expect actual
 343 }
 344
 345 test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
 346         check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
 347
 348 test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
 349         check_language "ko-KR, *;q=0.9" "ko_KR:" &&
 350         check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
 351         check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
 352         check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
 353         check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
 354
 355 test_expect_success 'git client sends Accept-Language with many preferred languages' '
 356         check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
 357 ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
 358                 ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
 359         check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
 360 ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
 361                 ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
 362 '
 363
 364 test_expect_success 'git client does not send an empty Accept-Language' '
 365         GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
 366         ! grep "^=> Send header: Accept-Language:" stderr
 367 '
 368
 369 test_expect_success 'remote-http complains cleanly about malformed urls' '
 370         test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
 371         test_i18ngrep "url has no scheme" stderr
 372 '
 373
 374 # NEEDSWORK: Writing commands to git-remote-curl can race against the latter
 375 # erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
 376 # learned to handle early remote helper failures more cleanly.
 377 test_expect_success 'remote-http complains cleanly about empty scheme' '
 378         test_must_fail ok=sigpipe git ls-remote \
 379                 http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
 380         test_i18ngrep "url has no scheme" stderr
 381 '
 382
 383 test_expect_success 'redirects can be forbidden/allowed' '
 384         test_must_fail git -c http.followRedirects=false \
 385                 clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
 386         git -c http.followRedirects=true \
 387                 clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
 388 '
 389
 390 test_expect_success 'redirects are reported to stderr' '
 391         # just look for a snippet of the redirected-to URL
 392         test_i18ngrep /dumb/ stderr
 393 '
 394
 395 test_expect_success 'non-initial redirects can be forbidden' '
 396         test_must_fail git -c http.followRedirects=initial \
 397                 clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
 398         git -c http.followRedirects=true \
 399                 clone $HTTPD_URL/redir-objects/repo.git redir-objects
 400 '
 401
 402 test_expect_success 'http.followRedirects defaults to "initial"' '
 403         test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
 404 '
 405
 406 # The goal is for a clone of the "evil" repository, which has no objects
 407 # itself, to cause the client to fetch objects from the "victim" repository.
 408 test_expect_success 'set up evil alternates scheme' '
 409         victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
 410         git init --bare "$victim" &&
 411         git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
 412         git -C "$victim" repack -ad &&
 413         git -C "$victim" update-server-info &&
 414         sha1=$(git -C "$victim" rev-parse HEAD) &&
 415
 416         evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
 417         git init --bare "$evil" &&
 418         # do this by hand to avoid object existence check
 419         printf "%s\\t%s\\n" $sha1 refs/heads/master >"$evil/info/refs"
 420 '
 421
 422 # Here we'll just redirect via HTTP. In a real-world attack these would be on
 423 # different servers, but we should reject it either way.
 424 test_expect_success 'http-alternates is a non-initial redirect' '
 425         echo "$HTTPD_URL/dumb/victim.git/objects" \
 426                 >"$evil/objects/info/http-alternates" &&
 427         test_must_fail git -c http.followRedirects=initial \
 428                 clone $HTTPD_URL/dumb/evil.git evil-initial &&
 429         git -c http.followRedirects=true \
 430                 clone $HTTPD_URL/dumb/evil.git evil-initial
 431 '
 432
 433 # Curl supports a lot of protocols that we'd prefer not to allow
 434 # http-alternates to use, but it's hard to test whether curl has
 435 # accessed, say, the SMTP protocol, because we are not running an SMTP server.
 436 # But we can check that it does not allow access to file://, which would
 437 # otherwise allow this clone to complete.
 438 test_expect_success 'http-alternates cannot point at funny protocols' '
 439         echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
 440         test_must_fail git -c http.followRedirects=true \
 441                 clone "$HTTPD_URL/dumb/evil.git" evil-file
 442 '
 443
 444 test_expect_success 'http-alternates triggers not-from-user protocol check' '
 445         echo "$HTTPD_URL/dumb/victim.git/objects" \
 446                 >"$evil/objects/info/http-alternates" &&
 447         test_config_global http.followRedirects true &&
 448         test_must_fail git -c protocol.http.allow=user \
 449                 clone $HTTPD_URL/dumb/evil.git evil-user &&
 450         git -c protocol.http.allow=always \
 451                 clone $HTTPD_URL/dumb/evil.git evil-user
 452 '
 453
 454 test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
 455         git clone "$HTTPD_URL/redir-to/dumb/repo.git"
 456 '
 457
 458 test_expect_success 'print HTTP error when any intermediate redirect throws error' '
 459         test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
 460         test_i18ngrep "unable to access.*/redir-to/502" stderr
 461 '
 462
 463 test_expect_success 'fetching via http alternates works' '
 464         parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
 465         git init --bare "$parent" &&
 466         git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
 467         git -C "$parent" update-server-info &&
 468         commit=$(git -C "$parent" rev-parse HEAD) &&
 469
 470         child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
 471         git init --bare "$child" &&
 472         echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
 473         git -C "$child" update-ref HEAD $commit &&
 474         git -C "$child" update-server-info &&
 475
 476         git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
 477 '
 478
 479 test_done