#!/bin/sh
test_description='test dumb fetching over http via static file'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
if test_have_prereq !REFFILES
then
skip_all='skipping test; dumb HTTP protocol not supported with reftable.'
test_done
fi
. "$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 'packfile without repository does not crash' '
echo "fatal: not a git repository" >expect &&
test_must_fail nongit git http-fetch --packfile=abc 2>err &&
test_cmp expect err
'
setup_post_update_server_info_hook () {
test_hook --setup -C "$1" post-update <<-\EOF &&
exec git update-server-info
EOF
git -C "$1" update-server-info
}
test_expect_success 'create http-accessible bare repository with loose objects' '
cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" config core.bare true &&
setup_post_update_server_info_hook "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
git push public main:main
'
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 main) HEAD
$(git rev-parse main) refs/heads/main
EOF
nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
test_cmp expect actual
'
test_expect_success 'list detached HEAD from outside any repository' '
git clone --mirror "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
"$HTTPD_DOCUMENT_ROOT_PATH/repo-detached.git" &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/repo-detached.git" \
update-ref --no-deref HEAD refs/heads/main &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/repo-detached.git" update-server-info &&
cat >expect <<-EOF &&
$(git rev-parse main) HEAD
$(git rev-parse main) refs/heads/main
EOF
nongit git ls-remote "$HTTPD_URL/dumb/repo-detached.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" \
"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
'
test_expect_success 'create empty remote repository' '
git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
setup_post_update_server_info_hook "$HTTPD_DOCUMENT_ROOT_PATH/empty.git"
'
test_expect_success 'empty dumb HTTP repository falls back to SHA1' '
test_when_finished "rm -fr clone-empty" &&
git clone $HTTPD_URL/dumb/empty.git clone-empty &&
git -C clone-empty rev-parse --show-object-format >empty-format &&
test "$(cat empty-format)" = sha1
'
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/main-new $HEAD $(git config remote.origin.url) &&
git checkout main-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/main-new $HEAD $(git config remote.origin.url) &&
git checkout main-new &&
test $HEAD = $(git rev-parse --verify HEAD)) &&
test_cmp file clone3/file
'
test_expect_success 'http remote detects correct HEAD' '
git push public main:other &&
(cd clone &&
git remote set-head origin -d &&
git remote set-head origin -a &&
git symbolic-ref refs/remotes/origin/HEAD > output &&
echo refs/remotes/origin/main > expect &&
test_cmp expect output
)
'
test_expect_success 'fetch packed objects' '
cp -R "$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 $HTTPD_URL/dumb/repo_pack.git
'
test_expect_success 'http-fetch --packfile' '
# Arbitrary hash. Use rev-parse so that we get one of the correct
# length.
ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
git init packfileclient &&
p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
git -C packfileclient http-fetch --packfile=$ARBITRARY \
--index-pack-arg=index-pack --index-pack-arg=--stdin \
--index-pack-arg=--keep \
"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
grep -E "^keep.[0-9a-f]{16,}$" out &&
cut -c6- out >packhash &&
# Ensure that the expected files are generated
test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
# Ensure that it has the HEAD of repo_pack, at least
HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
git -C packfileclient cat-file -e "$HASH"
'
test_expect_success 'fetch notices corrupt pack' '
cp -R "$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 = $(ls objects/pack/pack-*.pack | wc -l)
)
'
test_expect_success 'http-fetch --packfile with corrupt pack' '
rm -rf packfileclient &&
git init packfileclient &&
p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
test_must_fail git -C packfileclient http-fetch --packfile \
"$HTTPD_URL"/dumb/repo_bad1.git/$p
'
test_expect_success 'fetch notices corrupt idx' '
cp -R "$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 send an empty Accept-Language' '
GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
! grep "^=> Send header: Accept-Language:" stderr
'
test_expect_success 'remote-http complains cleanly about malformed urls' '
test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
test_grep "url has no scheme" stderr
'
# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
# learned to handle early remote helper failures more cleanly.
test_expect_success 'remote-http complains cleanly about empty scheme' '
test_must_fail ok=sigpipe git ls-remote \
http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
test_grep "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_grep /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=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
git init --template= --bare "$evil" &&
mkdir "$evil/info" &&
# do this by hand to avoid object existence check
printf "%s\\t%s\\n" $sha1 refs/heads/main >"$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 "$HTTPD_URL/redir-to/502" 2> stderr &&
test_grep "unable to access.*/redir-to/502" stderr
'
test_expect_success 'fetching via http alternates works' '
parent=$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
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