Andrew's git - gitweb.git/blob - t/t5550-http-fetch-dumb.sh

   1#!/bin/sh
   2
   3test_description='test dumb fetching over http via static file'
   4. ./test-lib.sh
   5. "$TEST_DIRECTORY"/lib-httpd.sh
   6start_httpd
   7
   8test_expect_success 'setup repository' '
   9        git config push.default matching &&
  10        echo content1 >file &&
  11        git add file &&
  12        git commit -m one &&
  13        echo content2 >file &&
  14        git add file &&
  15        git commit -m two
  16'
  17
  18test_expect_success 'create http-accessible bare repository with loose objects' '
  19        cp -R .git "$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
  31test_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
  37test_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
  46test_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               "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
  50'
  51
  52setup_askpass_helper
  53
  54test_expect_success 'cloning password-protected repository can fail' '
  55        set_askpass wrong &&
  56        test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
  57        expect_askpass both wrong
  58'
  59
  60test_expect_success 'http auth can use user/pass in URL' '
  61        set_askpass wrong &&
  62        git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
  63        expect_askpass none
  64'
  65
  66test_expect_success 'http auth can use just user in URL' '
  67        set_askpass wrong pass@host &&
  68        git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
  69        expect_askpass pass user@host
  70'
  71
  72test_expect_success 'http auth can request both user and pass' '
  73        set_askpass user@host pass@host &&
  74        git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
  75        expect_askpass both user@host
  76'
  77
  78test_expect_success 'http auth respects credential helper config' '
  79        test_config_global credential.helper "!f() {
  80                cat >/dev/null
  81                echo username=user@host
  82                echo password=pass@host
  83        }; f" &&
  84        set_askpass wrong &&
  85        git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
  86        expect_askpass none
  87'
  88
  89test_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
  96test_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
 103test_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 "$HTTPD_URL/auth/dumb/repo.git" sub &&
 109                git commit -m "add submodule"
 110        )
 111'
 112
 113test_expect_success 'cmdline credential config passes to submodule via clone' '
 114        set_askpass wrong pass@host &&
 115        test_must_fail git clone --recursive super super-clone &&
 116        rm -rf super-clone &&
 117
 118        set_askpass wrong pass@host &&
 119        git -c "credential.$HTTPD_URL.username=user@host" \
 120                clone --recursive super super-clone &&
 121        expect_askpass pass user@host
 122'
 123
 124test_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.$HTTPD_URL.username=user@host" \
 131            fetch --recurse-submodules &&
 132        expect_askpass pass user@host
 133'
 134
 135test_expect_success 'cmdline credential config passes submodule update' '
 136        # advance the submodule HEAD so that a fetch is required
 137        git commit --allow-empty -m foo &&
 138        git push "$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.$HTTPD_URL.username=user@host" \
 148            submodule update &&
 149        expect_askpass pass user@host
 150'
 151
 152test_expect_success 'fetch changes via http' '
 153        echo content >>file &&
 154        git commit -a -m two &&
 155        git push public &&
 156        (cd clone && git pull) &&
 157        test_cmp file clone/file
 158'
 159
 160test_expect_success 'fetch changes via manual http-fetch' '
 161        cp -R clone-tmpl clone2 &&
 162
 163        HEAD=$(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 = $(git rev-parse --verify HEAD)) &&
 168        test_cmp file clone2/file
 169'
 170
 171test_expect_success 'http remote detects correct HEAD' '
 172        git push public master:other &&
 173        (cd clone &&
 174         git remote set-head origin -d &&
 175         git remote set-head origin -a &&
 176         git symbolic-ref refs/remotes/origin/HEAD > output &&
 177         echo refs/remotes/origin/master > expect &&
 178         test_cmp expect output
 179        )
 180'
 181
 182test_expect_success 'fetch packed objects' '
 183        cp -R "$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 $HTTPD_URL/dumb/repo_pack.git
 188'
 189
 190test_expect_success 'fetch notices corrupt pack' '
 191        cp -R "$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 = $(ls objects/pack/pack-*.pack | wc -l)
 202        )
 203'
 204
 205test_expect_success 'fetch notices corrupt idx' '
 206        cp -R "$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 = $(ls objects/pack | wc -l)
 217        )
 218'
 219
 220test_expect_success 'fetch can handle previously-fetched .idx files' '
 221        git checkout --orphan branch1 &&
 222        echo base >file &&
 223        git add file &&
 224        git commit -m base &&
 225        git --bare init "$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
 238test_expect_success 'did not use upload-pack service' '
 239        test_might_fail grep '/git-upload-pack' <"$HTTPD_ROOT_PATH"/access.log >act &&
 240        : >exp &&
 241        test_cmp exp act
 242'
 243
 244test_expect_success 'git client shows text/plain errors' '
 245        test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
 246        grep "this is the error message" stderr
 247'
 248
 249test_expect_success 'git client does not show html errors' '
 250        test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
 251        ! grep "this is the error message" stderr
 252'
 253
 254test_expect_success 'git client shows text/plain with a charset' '
 255        test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
 256        grep "this is the error message" stderr
 257'
 258
 259test_expect_success 'http error messages are reencoded' '
 260        test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
 261        grep "this is the error message" stderr
 262'
 263
 264test_expect_success 'reencoding is robust to whitespace oddities' '
 265        test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
 266        grep "this is the error message" stderr
 267'
 268
 269check_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
 287test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
 288        check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
 289
 290test_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
 297test_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, \
 299ja;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, \
 302ja;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
 306test_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
 311test_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
 319test_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
 326test_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
 331test_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
 338test_expect_success 'http.followRedirects defaults to "initial"' '
 339        test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
 340'
 341
 342# The goal is for a clone of the "evil" repository, which has no objects
 343# itself, to cause the client to fetch objects from the "victim" repository.
 344test_expect_success 'set up evil alternates scheme' '
 345        victim=$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.
 360test_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 $HTTPD_URL/dumb/evil.git evil-initial
 367'
 368
 369# Curl supports a lot of protocols that we'd prefer not to allow
 370# http-alternates to use, but it's hard to test whether curl has
 371# accessed, say, the SMTP protocol, because we are not running an SMTP server.
 372# But we can check that it does not allow access to file://, which would
 373# otherwise allow this clone to complete.
 374test_expect_success 'http-alternates cannot point at funny protocols' '
 375        echo "file://$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
 380test_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 $HTTPD_URL/dumb/evil.git evil-user
 388'
 389
 390test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
 391        git clone "$HTTPD_URL/redir-to/dumb/repo.git"
 392'
 393
 394test_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
 399stop_httpd
 400test_done