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