[thirdparty/git.git] / t / t5550-http-fetch-dumb.sh

#!/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-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
'

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 '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
Commit	Line	Data
119c8eee JK	1	#!/bin/sh
119c8eee JK	2
7da4e228	3	test_description='test dumb fetching over http via static file'
028cb644	4	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7 JS	5	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
334afbc7 JS	6
119c8eee	7	. ./test-lib.sh
7b6853a8 HWN	8
	9	if test_have_prereq !REFFILES
	10	then
	11	skip_all='skipping test; dumb HTTP protocol not supported with reftable.'
	12	test_done
	13	fi
	14
55bc3dc4	15	. "$TEST_DIRECTORY"/lib-httpd.sh
119c8eee JK	16	start_httpd
	17
	18	test_expect_success 'setup repository' '
c9704aa7	19	git config push.default matching &&
5a9681f4	20	echo content1 >file &&
119c8eee	21	git add file &&
99094a7a	22	git commit -m one &&
5a9681f4 CB	23	echo content2 >file &&
	24	git add file &&
	25	git commit -m two
119c8eee JK	26	'
119c8eee JK	27
f6db603c ÆAB	28	setup_post_update_server_info_hook () {
	29	test_hook --setup -C "$1" post-update <<-\EOF &&
	30	exec git update-server-info
	31	EOF
	32	git -C "$1" update-server-info
	33	}
	34
5a9681f4	35	test_expect_success 'create http-accessible bare repository with loose objects' '
d4a7ffaa	36	cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
f6db603c ÆAB	37	git -C "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" config core.bare true &&
f6db603c ÆAB	38	setup_post_update_server_info_hook "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
119c8eee	39	git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
028cb644	40	git push public main:main
119c8eee JK	41	'
	42
	43	test_expect_success 'clone http repository' '
6cfc0286 TRC	44	git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
6cfc0286 TRC	45	cp -R clone-tmpl clone &&
119c8eee JK	46	test_cmp file clone/file
	47	'
	48
4b0c3c77 JN	49	test_expect_success 'list refs from outside any repository' '
4b0c3c77 JN	50	cat >expect <<-EOF &&
028cb644 JS	51	$(git rev-parse main) HEAD
028cb644 JS	52	$(git rev-parse main) refs/heads/main
4b0c3c77 JN	53	EOF
	54	nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
	55	test_cmp expect actual
	56	'
	57
5232586c	58	test_expect_success 'create password-protected repository' '
726800a8	59	mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
5232586c	60	cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
726800a8	61	"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
5232586c JK	62	'
5232586c JK	63
ac093d07	64	test_expect_success 'create empty remote repository' '
ac093d07	65	git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
f6db603c	66	setup_post_update_server_info_hook "$HTTPD_DOCUMENT_ROOT_PATH/empty.git"
ac093d07	67	'
ac093d07	68
18c9cb75	69	test_expect_success 'empty dumb HTTP repository falls back to SHA1' '
ac093d07	70	test_when_finished "rm -fr clone-empty" &&
	71	git clone $HTTPD_URL/dumb/empty.git clone-empty &&
	72	git -C clone-empty rev-parse --show-object-format >empty-format &&
18c9cb75	73	test "$(cat empty-format)" = sha1
ac093d07	74	'
ac093d07	75
e837936c	76	setup_askpass_helper
148bb6a7	77
5232586c	78	test_expect_success 'cloning password-protected repository can fail' '
e837936c	79	set_askpass wrong &&
726800a8	80	test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
148bb6a7	81	expect_askpass both wrong
5232586c JK	82	'
	83
	84	test_expect_success 'http auth can use user/pass in URL' '
e837936c	85	set_askpass wrong &&
726800a8	86	git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
148bb6a7	87	expect_askpass none
5232586c JK	88	'
5232586c JK	89
dfa1725a	90	test_expect_success 'http auth can use just user in URL' '
afbf5ca5	91	set_askpass wrong pass@host &&
726800a8	92	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
148bb6a7	93	expect_askpass pass user@host
5232586c JK	94	'
5232586c JK	95
dfa1725a	96	test_expect_success 'http auth can request both user and pass' '
afbf5ca5	97	set_askpass user@host pass@host &&
726800a8	98	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
148bb6a7	99	expect_askpass both user@host
3cf8fe1d GC	100	'
3cf8fe1d GC	101
dfa1725a	102	test_expect_success 'http auth respects credential helper config' '
11825072 JK	103	test_config_global credential.helper "!f() {
	104	cat >/dev/null
	105	echo username=user@host
afbf5ca5	106	echo password=pass@host
11825072	107	}; f" &&
e837936c	108	set_askpass wrong &&
726800a8	109	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
11825072 JK	110	expect_askpass none
	111	'
	112
dfa1725a	113	test_expect_success 'http auth can get username from config' '
d5742425	114	test_config_global "credential.$HTTPD_URL.username" user@host &&
afbf5ca5	115	set_askpass wrong pass@host &&
726800a8	116	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
d5742425 JK	117	expect_askpass pass user@host
	118	'
	119
dfa1725a	120	test_expect_success 'configured username does not override URL' '
d5742425	121	test_config_global "credential.$HTTPD_URL.username" wrong &&
afbf5ca5	122	set_askpass wrong pass@host &&
726800a8	123	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
d5742425 JK	124	expect_askpass pass user@host
	125	'
	126
455d22c1	127	test_expect_success 'set up repo with http submodules' '
14111fc4 JK	128	git init super &&
	129	set_askpass user@host pass@host &&
	130	(
	131	cd super &&
	132	git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
	133	git commit -m "add submodule"
455d22c1 JK	134	)
	135	'
	136
	137	test_expect_success 'cmdline credential config passes to submodule via clone' '
14111fc4 JK	138	set_askpass wrong pass@host &&
	139	test_must_fail git clone --recursive super super-clone &&
	140	rm -rf super-clone &&
455d22c1	141
14111fc4	142	set_askpass wrong pass@host &&
1149ee21	143	git -c "credential.$HTTPD_URL.username=user@host" \
14111fc4	144	clone --recursive super super-clone &&
c12e8656 JK	145	expect_askpass pass user@host
	146	'
	147
	148	test_expect_success 'cmdline credential config passes submodule via fetch' '
	149	set_askpass wrong pass@host &&
	150	test_must_fail git -C super-clone fetch --recurse-submodules &&
	151
	152	set_askpass wrong pass@host &&
	153	git -C super-clone \
	154	-c "credential.$HTTPD_URL.username=user@host" \
	155	fetch --recurse-submodules &&
14111fc4 JK	156	expect_askpass pass user@host
	157	'
	158
860cba61 JK	159	test_expect_success 'cmdline credential config passes submodule update' '
	160	# advance the submodule HEAD so that a fetch is required
	161	git commit --allow-empty -m foo &&
	162	git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
	163	sha1=$(git rev-parse HEAD) &&
	164	git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
	165
	166	set_askpass wrong pass@host &&
	167	test_must_fail git -C super-clone submodule update &&
	168
	169	set_askpass wrong pass@host &&
	170	git -C super-clone \
	171	-c "credential.$HTTPD_URL.username=user@host" \
	172	submodule update &&
	173	expect_askpass pass user@host
	174	'
	175
119c8eee JK	176	test_expect_success 'fetch changes via http' '
	177	echo content >>file &&
	178	git commit -a -m two &&
2bcd9ec5	179	git push public &&
119c8eee JK	180	(cd clone && git pull) &&
	181	test_cmp file clone/file
	182	'
	183
6cfc0286 TRC	184	test_expect_success 'fetch changes via manual http-fetch' '
	185	cp -R clone-tmpl clone2 &&
	186
	187	HEAD=$(git rev-parse --verify HEAD) &&
	188	(cd clone2 &&
028cb644 JS	189	git http-fetch -a -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	190	git checkout main-new &&
6cfc0286 TRC	191	test $HEAD = $(git rev-parse --verify HEAD)) &&
	192	test_cmp file clone2/file
	193	'
	194
2e85a0c8 MÅ	195	test_expect_success 'manual http-fetch without -a works just as well' '
	196	cp -R clone-tmpl clone3 &&
	197
	198	HEAD=$(git rev-parse --verify HEAD) &&
	199	(cd clone3 &&
028cb644 JS	200	git http-fetch -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	201	git checkout main-new &&
2e85a0c8 MÅ	202	test $HEAD = $(git rev-parse --verify HEAD)) &&
	203	test_cmp file clone3/file
	204	'
	205
fbb074c2	206	test_expect_success 'http remote detects correct HEAD' '
028cb644	207	git push public main:other &&
fbb074c2 JK	208	(cd clone &&
	209	git remote set-head origin -d &&
	210	git remote set-head origin -a &&
	211	git symbolic-ref refs/remotes/origin/HEAD > output &&
028cb644	212	echo refs/remotes/origin/main > expect &&
fbb074c2 JK	213	test_cmp expect output
	214	)
	215	'
	216
96a4f187 TRC	217	test_expect_success 'fetch packed objects' '
96a4f187 TRC	218	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
d761b2ac	219	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
1327d839	220	git --bare repack -a -d
d761b2ac	221	) &&
024bb125	222	git clone $HTTPD_URL/dumb/repo_pack.git
96a4f187 TRC	223	'
96a4f187 TRC	224
8d5d2a34 JT	225	test_expect_success 'http-fetch --packfile' '
	226	# Arbitrary hash. Use rev-parse so that we get one of the correct
	227	# length.
	228	ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	229
	230	git init packfileclient &&
	231	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
27e35ba6 JT	232	git -C packfileclient http-fetch --packfile=$ARBITRARY \
	233	--index-pack-arg=index-pack --index-pack-arg=--stdin \
	234	--index-pack-arg=--keep \
	235	"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
8d5d2a34	236
a764c37b	237	grep -E "^keep.[0-9a-f]{16,}$" out &&
8d5d2a34 JT	238	cut -c6- out >packhash &&
	239
	240	# Ensure that the expected files are generated
	241	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
	242	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
	243	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
	244
	245	# Ensure that it has the HEAD of repo_pack, at least
	246	HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	247	git -C packfileclient cat-file -e "$HASH"
	248	'
	249
fe72d420 SP	250	test_expect_success 'fetch notices corrupt pack' '
	251	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
	252	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
bacb1c01	253	p=$(ls objects/pack/pack-*.pack) &&
fe72d420 SP	254	chmod u+w $p &&
	255	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	256	) &&
	257	mkdir repo_bad1.git &&
	258	(cd repo_bad1.git &&
	259	git --bare init &&
	260	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
bacb1c01	261	test 0 = $(ls objects/pack/pack-*.pack \| wc -l)
fe72d420 SP	262	)
	263	'
	264
8d5d2a34 JT	265	test_expect_success 'http-fetch --packfile with corrupt pack' '
	266	rm -rf packfileclient &&
	267	git init packfileclient &&
	268	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
	269	test_must_fail git -C packfileclient http-fetch --packfile \
	270	"$HTTPD_URL"/dumb/repo_bad1.git/$p
	271	'
	272
750ef425 SP	273	test_expect_success 'fetch notices corrupt idx' '
	274	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
	275	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
bacb1c01	276	p=$(ls objects/pack/pack-*.idx) &&
750ef425 SP	277	chmod u+w $p &&
	278	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	279	) &&
	280	mkdir repo_bad2.git &&
	281	(cd repo_bad2.git &&
	282	git --bare init &&
	283	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
bacb1c01	284	test 0 = $(ls objects/pack \| wc -l)
750ef425 SP	285	)
	286	'
	287
8b9c2dd4 JK	288	test_expect_success 'fetch can handle previously-fetched .idx files' '
	289	git checkout --orphan branch1 &&
	290	echo base >file &&
	291	git add file &&
	292	git commit -m base &&
	293	git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
	294	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
	295	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	296	git checkout -b branch2 branch1 &&
	297	echo b2 >>file &&
	298	git commit -a -m b2 &&
	299	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
	300	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	301	git --bare init clone_packed_branches.git &&
	302	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
	303	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
	304	'
	305
7da4e228	306	test_expect_success 'did not use upload-pack service' '
5a828bcf	307	! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
7da4e228 SP	308	'
7da4e228 SP	309
dbcf2bd3 JK	310	test_expect_success 'git client shows text/plain errors' '
	311	test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
	312	grep "this is the error message" stderr
	313	'
	314
	315	test_expect_success 'git client does not show html errors' '
	316	test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
	317	! grep "this is the error message" stderr
	318	'
	319
bf197fd7 JK	320	test_expect_success 'git client shows text/plain with a charset' '
	321	test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
	322	grep "this is the error message" stderr
	323	'
	324
fc1b774c JK	325	test_expect_success 'http error messages are reencoded' '
	326	test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
	327	grep "this is the error message" stderr
	328	'
	329
f34a655d YE	330	test_expect_success 'reencoding is robust to whitespace oddities' '
	331	test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
	332	grep "this is the error message" stderr
	333	'
	334
f18604bb YE	335	check_language () {
	336	case "$2" in
	337	'')
	338	>expect
	339	;;
	340	?*)
81590bf7	341	echo "=> Send header: Accept-Language: $1" >expect
f18604bb YE	342	;;
f18604bb YE	343	esac &&
81590bf7	344	GIT_TRACE_CURL=true \
f18604bb YE	345	LANGUAGE=$2 \
	346	git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
	347	tr -d '\015' <output \|
	348	sort -u \|
81590bf7	349	sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
f18604bb YE	350	test_cmp expect actual
	351	}
	352
	353	test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
	354	check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
	355
	356	test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
	357	check_language "ko-KR, *;q=0.9" "ko_KR:" &&
	358	check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
	359	check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
	360	check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
	361	check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
	362
	363	test_expect_success 'git client sends Accept-Language with many preferred languages' '
	364	check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
	365	ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
	366	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
	367	check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
	368	ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
	369	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
	370	'
	371
b0c4adcd	372	test_expect_success 'git client send an empty Accept-Language' '
81590bf7 EP	373	GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
81590bf7 EP	374	! grep "^=> Send header: Accept-Language:" stderr
f18604bb YE	375	'
f18604bb YE	376
d63ed6ef	377	test_expect_success 'remote-http complains cleanly about malformed urls' '
c44088ec	378	test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
6789275d	379	test_grep "url has no scheme" stderr
d63ed6ef JK	380	'
d63ed6ef JK	381
e7fab62b JN	382	# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
	383	# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
	384	# learned to handle early remote helper failures more cleanly.
	385	test_expect_success 'remote-http complains cleanly about empty scheme' '
	386	test_must_fail ok=sigpipe git ls-remote \
	387	http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
6789275d	388	test_grep "url has no scheme" stderr
d63ed6ef JK	389	'
d63ed6ef JK	390
50d34137 JK	391	test_expect_success 'redirects can be forbidden/allowed' '
	392	test_must_fail git -c http.followRedirects=false \
	393	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
	394	git -c http.followRedirects=true \
	395	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
	396	'
	397
	398	test_expect_success 'redirects are reported to stderr' '
	399	# just look for a snippet of the redirected-to URL
6789275d	400	test_grep /dumb/ stderr
50d34137 JK	401	'
	402
	403	test_expect_success 'non-initial redirects can be forbidden' '
	404	test_must_fail git -c http.followRedirects=initial \
	405	clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
	406	git -c http.followRedirects=true \
	407	clone $HTTPD_URL/redir-objects/repo.git redir-objects
	408	'
	409
	410	test_expect_success 'http.followRedirects defaults to "initial"' '
	411	test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
	412	'
	413
cb4d2d35 JK	414	# The goal is for a clone of the "evil" repository, which has no objects
	415	# itself, to cause the client to fetch objects from the "victim" repository.
	416	test_expect_success 'set up evil alternates scheme' '
	417	victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
	418	git init --bare "$victim" &&
	419	git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
	420	git -C "$victim" repack -ad &&
	421	git -C "$victim" update-server-info &&
	422	sha1=$(git -C "$victim" rev-parse HEAD) &&
	423
	424	evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
ce5369e3 ÆAB	425	git init --template= --bare "$evil" &&
ce5369e3 ÆAB	426	mkdir "$evil/info" &&
cb4d2d35	427	# do this by hand to avoid object existence check
028cb644	428	printf "%s\\t%s\\n" $sha1 refs/heads/main >"$evil/info/refs"
cb4d2d35 JK	429	'
	430
	431	# Here we'll just redirect via HTTP. In a real-world attack these would be on
	432	# different servers, but we should reject it either way.
	433	test_expect_success 'http-alternates is a non-initial redirect' '
	434	echo "$HTTPD_URL/dumb/victim.git/objects" \
	435	>"$evil/objects/info/http-alternates" &&
	436	test_must_fail git -c http.followRedirects=initial \
	437	clone $HTTPD_URL/dumb/evil.git evil-initial &&
	438	git -c http.followRedirects=true \
	439	clone $HTTPD_URL/dumb/evil.git evil-initial
	440	'
	441
	442	# Curl supports a lot of protocols that we'd prefer not to allow
	443	# http-alternates to use, but it's hard to test whether curl has
	444	# accessed, say, the SMTP protocol, because we are not running an SMTP server.
	445	# But we can check that it does not allow access to file://, which would
	446	# otherwise allow this clone to complete.
	447	test_expect_success 'http-alternates cannot point at funny protocols' '
	448	echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
	449	test_must_fail git -c http.followRedirects=true \
	450	clone "$HTTPD_URL/dumb/evil.git" evil-file
	451	'
	452
abcbdc03 JK	453	test_expect_success 'http-alternates triggers not-from-user protocol check' '
	454	echo "$HTTPD_URL/dumb/victim.git/objects" \
	455	>"$evil/objects/info/http-alternates" &&
	456	test_config_global http.followRedirects true &&
	457	test_must_fail git -c protocol.http.allow=user \
	458	clone $HTTPD_URL/dumb/evil.git evil-user &&
	459	git -c protocol.http.allow=always \
	460	clone $HTTPD_URL/dumb/evil.git evil-user
	461	'
	462
8e27391a JT	463	test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
	464	git clone "$HTTPD_URL/redir-to/dumb/repo.git"
	465	'
	466
	467	test_expect_success 'print HTTP error when any intermediate redirect throws error' '
	468	test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
6789275d	469	test_grep "unable to access.*/redir-to/502" stderr
8e27391a JT	470	'
8e27391a JT	471
ccbbd8bf JK	472	test_expect_success 'fetching via http alternates works' '
	473	parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
	474	git init --bare "$parent" &&
	475	git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
	476	git -C "$parent" update-server-info &&
	477	commit=$(git -C "$parent" rev-parse HEAD) &&
	478
	479	child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
	480	git init --bare "$child" &&
	481	echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
	482	git -C "$child" update-ref HEAD $commit &&
	483	git -C "$child" update-server-info &&
	484
	485	git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
	486	'
	487
119c8eee	488	test_done