#!/bin/sh test_description='test dumb fetching over http via static file' . ./test-lib.sh . "$TEST_DIRECTORY"/lib-httpd.sh start_httpd test_expect_success 'setup repository' ' git config push.default matching && echo content1 >file && git add file && git commit -m one && echo content2 >file && git add file && git commit -m two ' test_expect_success 'create http-accessible bare repository with loose objects' ' cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && (cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && git config core.bare true && mkdir -p hooks && write_script "hooks/post-update" <<-\EOF && exec git update-server-info EOF hooks/post-update ) && git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && git push public master:master ' test_expect_success 'clone http repository' ' git clone $HTTPD_URL/dumb/repo.git clone-tmpl && cp -R clone-tmpl clone && test_cmp file clone/file ' test_expect_success 'list refs from outside any repository' ' cat >expect <<-EOF && $(git rev-parse master) HEAD $(git rev-parse master) refs/heads/master EOF nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual && test_cmp expect actual ' test_expect_success 'create password-protected repository' ' mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" && cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \ "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" ' setup_askpass_helper test_expect_success 'cloning password-protected repository can fail' ' set_askpass wrong && test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail && expect_askpass both wrong ' test_expect_success 'http auth can use user/pass in URL' ' set_askpass wrong && git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none && expect_askpass none ' test_expect_success 'http auth can use just user in URL' ' set_askpass wrong pass@host && git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass && expect_askpass pass user@host ' test_expect_success 'http auth can request both user and pass' ' set_askpass user@host pass@host && git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both && expect_askpass both user@host ' test_expect_success 'http auth respects credential helper config' ' test_config_global credential.helper "!f() { cat >/dev/null echo username=user@host echo password=pass@host }; f" && set_askpass wrong && git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper && expect_askpass none ' test_expect_success 'http auth can get username from config' ' test_config_global "credential.$HTTPD_URL.username" user@host && set_askpass wrong pass@host && git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user && expect_askpass pass user@host ' test_expect_success 'configured username does not override URL' ' test_config_global "credential.$HTTPD_URL.username" wrong && set_askpass wrong pass@host && git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 && expect_askpass pass user@host ' test_expect_success 'set up repo with http submodules' ' git init super && set_askpass user@host pass@host && ( cd super && git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub && git commit -m "add submodule" ) ' test_expect_success 'cmdline credential config passes to submodule via clone' ' set_askpass wrong pass@host && test_must_fail git clone --recursive super super-clone && rm -rf super-clone && set_askpass wrong pass@host && git -c "credential.$HTTPD_URL.username=user@host" \ clone --recursive super super-clone && expect_askpass pass user@host ' test_expect_success 'cmdline credential config passes submodule via fetch' ' set_askpass wrong pass@host && test_must_fail git -C super-clone fetch --recurse-submodules && set_askpass wrong pass@host && git -C super-clone \ -c "credential.$HTTPD_URL.username=user@host" \ fetch --recurse-submodules && expect_askpass pass user@host ' test_expect_success 'cmdline credential config passes submodule update' ' # advance the submodule HEAD so that a fetch is required git commit --allow-empty -m foo && git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD && sha1=$(git rev-parse HEAD) && git -C super-clone update-index --cacheinfo 160000,$sha1,sub && set_askpass wrong pass@host && test_must_fail git -C super-clone submodule update && set_askpass wrong pass@host && git -C super-clone \ -c "credential.$HTTPD_URL.username=user@host" \ submodule update && expect_askpass pass user@host ' test_expect_success 'fetch changes via http' ' echo content >>file && git commit -a -m two && git push public && (cd clone && git pull) && test_cmp file clone/file ' test_expect_success 'fetch changes via manual http-fetch' ' cp -R clone-tmpl clone2 && HEAD=$(git rev-parse --verify HEAD) && (cd clone2 && git http-fetch -a -w heads/master-new $HEAD $(git config remote.origin.url) && git checkout master-new && test $HEAD = $(git rev-parse --verify HEAD)) && test_cmp file clone2/file ' test_expect_success 'manual http-fetch without -a works just as well' ' cp -R clone-tmpl clone3 && HEAD=$(git rev-parse --verify HEAD) && (cd clone3 && git http-fetch -w heads/master-new $HEAD $(git config remote.origin.url) && git checkout master-new && test $HEAD = $(git rev-parse --verify HEAD)) && test_cmp file clone3/file ' test_expect_success 'http remote detects correct HEAD' ' git push public master:other && (cd clone && git remote set-head origin -d && git remote set-head origin -a && git symbolic-ref refs/remotes/origin/HEAD > output && echo refs/remotes/origin/master > expect && test_cmp expect output ) ' test_expect_success 'fetch packed objects' ' cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && git --bare repack -a -d ) && git clone $HTTPD_URL/dumb/repo_pack.git ' test_expect_success 'fetch notices corrupt pack' ' cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && p=$(ls objects/pack/pack-*.pack) && chmod u+w $p && printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc ) && mkdir repo_bad1.git && (cd repo_bad1.git && git --bare init && test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git && test 0 = $(ls objects/pack/pack-*.pack | wc -l) ) ' test_expect_success 'fetch notices corrupt idx' ' cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git && (cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git && p=$(ls objects/pack/pack-*.idx) && chmod u+w $p && printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc ) && mkdir repo_bad2.git && (cd repo_bad2.git && git --bare init && test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git && test 0 = $(ls objects/pack | wc -l) ) ' test_expect_success 'fetch can handle previously-fetched .idx files' ' git checkout --orphan branch1 && echo base >file && git add file && git commit -m base && git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git && git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 && git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d && git checkout -b branch2 branch1 && echo b2 >>file && git commit -a -m b2 && git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 && git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d && git --bare init clone_packed_branches.git && git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 && git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2 ' test_expect_success 'did not use upload-pack service' ' ! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log" ' test_expect_success 'git client shows text/plain errors' ' test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr && grep "this is the error message" stderr ' test_expect_success 'git client does not show html errors' ' test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr && ! grep "this is the error message" stderr ' test_expect_success 'git client shows text/plain with a charset' ' test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr && grep "this is the error message" stderr ' test_expect_success 'http error messages are reencoded' ' test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr && grep "this is the error message" stderr ' test_expect_success 'reencoding is robust to whitespace oddities' ' test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr && grep "this is the error message" stderr ' check_language () { case "$2" in '') >expect ;; ?*) echo "=> Send header: Accept-Language: $1" >expect ;; esac && GIT_TRACE_CURL=true \ LANGUAGE=$2 \ git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 && tr -d '\015' <output | sort -u | sed -ne '/^=> Send header: Accept-Language:/ p' >actual && test_cmp expect actual } test_expect_success 'git client sends Accept-Language based on LANGUAGE' ' check_language "ko-KR, *;q=0.9" ko_KR.UTF-8' test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' ' check_language "ko-KR, *;q=0.9" "ko_KR:" && check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" && check_language "ko-KR, *;q=0.9" ":::ko_KR" && check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" && check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"' test_expect_success 'git client sends Accept-Language with many preferred languages' ' check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \ ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \ ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt && check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \ ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \ ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb ' test_expect_success 'git client does not send an empty Accept-Language' ' GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr && ! grep "^=> Send header: Accept-Language:" stderr ' test_expect_success 'remote-http complains cleanly about malformed urls' ' test_must_fail git remote-http http::/example.com/repo.git 2>stderr && test_i18ngrep "url has no scheme" stderr ' # NEEDSWORK: Writing commands to git-remote-curl can race against the latter # erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has # learned to handle early remote helper failures more cleanly. test_expect_success 'remote-http complains cleanly about empty scheme' ' test_must_fail ok=sigpipe git ls-remote \ http::${HTTPD_URL#http}/dumb/repo.git 2>stderr && test_i18ngrep "url has no scheme" stderr ' test_expect_success 'redirects can be forbidden/allowed' ' test_must_fail git -c http.followRedirects=false \ clone $HTTPD_URL/dumb-redir/repo.git dumb-redir && git -c http.followRedirects=true \ clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr ' test_expect_success 'redirects are reported to stderr' ' # just look for a snippet of the redirected-to URL test_i18ngrep /dumb/ stderr ' test_expect_success 'non-initial redirects can be forbidden' ' test_must_fail git -c http.followRedirects=initial \ clone $HTTPD_URL/redir-objects/repo.git redir-objects && git -c http.followRedirects=true \ clone $HTTPD_URL/redir-objects/repo.git redir-objects ' test_expect_success 'http.followRedirects defaults to "initial"' ' test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default ' # The goal is for a clone of the "evil" repository, which has no objects # itself, to cause the client to fetch objects from the "victim" repository. test_expect_success 'set up evil alternates scheme' ' victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git && git init --bare "$victim" && git -C "$victim" --work-tree=. commit --allow-empty -m secret && git -C "$victim" repack -ad && git -C "$victim" update-server-info && sha1=$(git -C "$victim" rev-parse HEAD) && evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git && git init --bare "$evil" && # do this by hand to avoid object existence check printf "%s\\t%s\\n" $sha1 refs/heads/master >"$evil/info/refs" ' # Here we'll just redirect via HTTP. In a real-world attack these would be on # different servers, but we should reject it either way. test_expect_success 'http-alternates is a non-initial redirect' ' echo "$HTTPD_URL/dumb/victim.git/objects" \ >"$evil/objects/info/http-alternates" && test_must_fail git -c http.followRedirects=initial \ clone $HTTPD_URL/dumb/evil.git evil-initial && git -c http.followRedirects=true \ clone $HTTPD_URL/dumb/evil.git evil-initial ' # Curl supports a lot of protocols that we'd prefer not to allow # http-alternates to use, but it's hard to test whether curl has # accessed, say, the SMTP protocol, because we are not running an SMTP server. # But we can check that it does not allow access to file://, which would # otherwise allow this clone to complete. test_expect_success 'http-alternates cannot point at funny protocols' ' echo "file://$victim/objects" >"$evil/objects/info/http-alternates" && test_must_fail git -c http.followRedirects=true \ clone "$HTTPD_URL/dumb/evil.git" evil-file ' test_expect_success 'http-alternates triggers not-from-user protocol check' ' echo "$HTTPD_URL/dumb/victim.git/objects" \ >"$evil/objects/info/http-alternates" && test_config_global http.followRedirects true && test_must_fail git -c protocol.http.allow=user \ clone $HTTPD_URL/dumb/evil.git evil-user && git -c protocol.http.allow=always \ clone $HTTPD_URL/dumb/evil.git evil-user ' test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' ' git clone "$HTTPD_URL/redir-to/dumb/repo.git" ' test_expect_success 'print HTTP error when any intermediate redirect throws error' ' test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr && test_i18ngrep "unable to access.*/redir-to/502" stderr ' test_expect_success 'fetching via http alternates works' ' parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git && git init --bare "$parent" && git -C "$parent" --work-tree=. commit --allow-empty -m foo && git -C "$parent" update-server-info && commit=$(git -C "$parent" rev-parse HEAD) && child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git && git init --bare "$child" && echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" && git -C "$child" update-ref HEAD $commit && git -C "$child" update-server-info && git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git" ' test_done