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-rwxr-xr-xt/t5570-git-daemon.sh210
1 files changed, 210 insertions, 0 deletions
diff --git a/t/t5570-git-daemon.sh b/t/t5570-git-daemon.sh
new file mode 100755
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+++ b/t/t5570-git-daemon.sh
@@ -0,0 +1,210 @@
+#!/bin/sh
+
+test_description='test fetching over git protocol'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+. "$TEST_DIRECTORY"/lib-git-daemon.sh
+start_git_daemon
+
+check_verbose_connect () {
+ test_grep -F "Looking up 127.0.0.1 ..." stderr &&
+ test_grep -F "Connecting to 127.0.0.1 (port " stderr &&
+ test_grep -F "done." stderr
+}
+
+test_expect_success 'setup repository' '
+ git config push.default matching &&
+ echo content >file &&
+ git add file &&
+ git commit -m one
+'
+
+test_expect_success 'create git-accessible bare repository' '
+ mkdir "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
+ (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
+ git --bare init &&
+ : >git-daemon-export-ok
+ ) &&
+ git remote add public "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
+ git push public main:main
+'
+
+test_expect_success 'clone git repository' '
+ git clone -v "$GIT_DAEMON_URL/repo.git" clone 2>stderr &&
+ check_verbose_connect &&
+ test_cmp file clone/file
+'
+
+test_expect_success 'fetch changes via git protocol' '
+ echo content >>file &&
+ git commit -a -m two &&
+ git push public &&
+ (cd clone && git pull -v) 2>stderr &&
+ check_verbose_connect &&
+ test_cmp file clone/file
+'
+
+test_expect_success 'no-op fetch -v stderr is as expected' '
+ (cd clone && git fetch -v) 2>stderr &&
+ check_verbose_connect
+'
+
+test_expect_success 'no-op fetch without "-v" is quiet' '
+ (cd clone && git fetch 2>../stderr) &&
+ test_must_be_empty stderr
+'
+
+test_expect_success 'remote detects correct HEAD' '
+ git push public main:other &&
+ (cd clone &&
+ git remote set-head -d origin &&
+ git remote set-head -a origin &&
+ git symbolic-ref refs/remotes/origin/HEAD > output &&
+ echo refs/remotes/origin/main > expect &&
+ test_cmp expect output
+ )
+'
+
+test_expect_success 'prepare pack objects' '
+ cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&
+ (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&
+ git --bare repack -a -d
+ )
+'
+
+test_expect_success 'fetch notices corrupt pack' '
+ cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
+ (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
+ p=$(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 "$GIT_DAEMON_URL/repo_bad1.git" &&
+ test 0 = $(ls objects/pack/pack-*.pack | wc -l)
+ )
+'
+
+test_expect_success 'fetch notices corrupt idx' '
+ cp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
+ (cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
+ rm -f objects/pack/multi-pack-index &&
+ 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 "$GIT_DAEMON_URL/repo_bad2.git" &&
+ test 0 = $(ls objects/pack | wc -l)
+ )
+'
+
+test_expect_success 'client refuses to ask for repo with newline' '
+ test_must_fail git clone "$GIT_DAEMON_URL/repo$LF.git" dst 2>stderr &&
+ test_grep newline.is.forbidden stderr
+'
+
+test_remote_error()
+{
+ do_export=YesPlease
+ while test $# -gt 0
+ do
+ case $1 in
+ -x)
+ shift
+ chmod -x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git"
+ ;;
+ -n)
+ shift
+ do_export=
+ ;;
+ *)
+ break
+ esac
+ done
+
+ msg=$1
+ shift
+ cmd=$1
+ shift
+ repo=$1
+ shift || error "invalid number of arguments"
+
+ if test -x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo"
+ then
+ if test -n "$do_export"
+ then
+ : >"$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo/git-daemon-export-ok"
+ else
+ rm -f "$GIT_DAEMON_DOCUMENT_ROOT_PATH/$repo/git-daemon-export-ok"
+ fi
+ fi
+
+ test_must_fail git "$cmd" "$GIT_DAEMON_URL/$repo" "$@" 2>output &&
+ test_grep "fatal: remote error: $msg: /$repo" output &&
+ ret=$?
+ chmod +x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git"
+ (exit $ret)
+}
+
+msg="access denied or repository not exported"
+test_expect_success 'clone non-existent' "test_remote_error '$msg' clone nowhere.git"
+test_expect_success 'push disabled' "test_remote_error '$msg' push repo.git main"
+test_expect_success 'read access denied' "test_remote_error -x '$msg' fetch repo.git"
+test_expect_success 'not exported' "test_remote_error -n '$msg' fetch repo.git"
+
+stop_git_daemon
+start_git_daemon --informative-errors
+
+test_expect_success 'clone non-existent' "test_remote_error 'no such repository' clone nowhere.git"
+test_expect_success 'push disabled' "test_remote_error 'service not enabled' push repo.git main"
+test_expect_success 'read access denied' "test_remote_error -x 'no such repository' fetch repo.git"
+test_expect_success 'not exported' "test_remote_error -n 'repository not exported' fetch repo.git"
+
+stop_git_daemon
+start_git_daemon --interpolated-path="$GIT_DAEMON_DOCUMENT_ROOT_PATH/%H%D"
+
+test_expect_success 'access repo via interpolated hostname' '
+ repo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/localhost/interp.git" &&
+ git init --bare "$repo" &&
+ git push "$repo" HEAD &&
+ >"$repo"/git-daemon-export-ok &&
+ GIT_OVERRIDE_VIRTUAL_HOST=localhost \
+ git ls-remote "$GIT_DAEMON_URL/interp.git" &&
+ GIT_OVERRIDE_VIRTUAL_HOST=LOCALHOST \
+ git ls-remote "$GIT_DAEMON_URL/interp.git"
+'
+
+test_expect_success 'hostname cannot break out of directory' '
+ repo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/../escape.git" &&
+ git init --bare "$repo" &&
+ git push "$repo" HEAD &&
+ >"$repo"/git-daemon-export-ok &&
+ test_must_fail \
+ env GIT_OVERRIDE_VIRTUAL_HOST=.. \
+ git ls-remote "$GIT_DAEMON_URL/escape.git"
+'
+
+test_expect_success FAKENC 'hostname interpolation works after LF-stripping' '
+ {
+ printf "git-upload-pack /interp.git\n\0host=localhost" | packetize_raw &&
+ printf "0000"
+ } >input &&
+ fake_nc "$GIT_DAEMON_HOST_PORT" <input >output &&
+ depacketize <output >output.raw &&
+
+ # just pick out the value of main, which avoids any protocol
+ # particulars
+ perl -lne "print \$1 if m{^(\\S+) refs/heads/main}" <output.raw >actual &&
+ git -C "$repo" rev-parse main >expect &&
+ test_cmp expect actual
+'
+
+test_done