[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
. "$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 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 "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	(cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	 mkdir -p hooks &&
	 write_script "hooks/post-update" <<-\EOF &&
	 exec git update-server-info
	EOF
	 hooks/post-update
	)
'

test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
	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)" = "$(test_oid algo)"
'

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 "^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 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" $sha1 refs/heads/main >"$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_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
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
55bc3dc4	8	. "$TEST_DIRECTORY"/lib-httpd.sh
119c8eee JK	9	start_httpd
	10
	11	test_expect_success 'setup repository' '
c9704aa7	12	git config push.default matching &&
5a9681f4	13	echo content1 >file &&
119c8eee	14	git add file &&
99094a7a	15	git commit -m one &&
5a9681f4 CB	16	echo content2 >file &&
	17	git add file &&
	18	git commit -m two
119c8eee JK	19	'
119c8eee JK	20
5a9681f4	21	test_expect_success 'create http-accessible bare repository with loose objects' '
d4a7ffaa	22	cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
119c8eee	23	(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
5a9681f4 CB	24	git config core.bare true &&
5a9681f4 CB	25	mkdir -p hooks &&
1fd1a919 BW	26	write_script "hooks/post-update" <<-\EOF &&
	27	exec git update-server-info
	28	EOF
5a9681f4	29	hooks/post-update
119c8eee JK	30	) &&
119c8eee JK	31	git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
028cb644	32	git push public main:main
119c8eee JK	33	'
	34
	35	test_expect_success 'clone http repository' '
6cfc0286 TRC	36	git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
6cfc0286 TRC	37	cp -R clone-tmpl clone &&
119c8eee JK	38	test_cmp file clone/file
	39	'
	40
4b0c3c77 JN	41	test_expect_success 'list refs from outside any repository' '
4b0c3c77 JN	42	cat >expect <<-EOF &&
028cb644 JS	43	$(git rev-parse main) HEAD
028cb644 JS	44	$(git rev-parse main) refs/heads/main
4b0c3c77 JN	45	EOF
	46	nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
	47	test_cmp expect actual
	48	'
	49
5232586c	50	test_expect_success 'create password-protected repository' '
726800a8	51	mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
5232586c	52	cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
726800a8	53	"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
5232586c JK	54	'
5232586c JK	55
ac093d07	56	test_expect_success 'create empty remote repository' '
	57	git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	58	(cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	59	mkdir -p hooks &&
	60	write_script "hooks/post-update" <<-\EOF &&
	61	exec git update-server-info
	62	EOF
	63	hooks/post-update
	64	)
	65	'
	66
	67	test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
	68	test_when_finished "rm -fr clone-empty" &&
	69	git clone $HTTPD_URL/dumb/empty.git clone-empty &&
	70	git -C clone-empty rev-parse --show-object-format >empty-format &&
	71	test "$(cat empty-format)" = "$(test_oid algo)"
	72	'
	73
e837936c	74	setup_askpass_helper
148bb6a7	75
5232586c	76	test_expect_success 'cloning password-protected repository can fail' '
e837936c	77	set_askpass wrong &&
726800a8	78	test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
148bb6a7	79	expect_askpass both wrong
5232586c JK	80	'
	81
	82	test_expect_success 'http auth can use user/pass in URL' '
e837936c	83	set_askpass wrong &&
726800a8	84	git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
148bb6a7	85	expect_askpass none
5232586c JK	86	'
5232586c JK	87
dfa1725a	88	test_expect_success 'http auth can use just user in URL' '
afbf5ca5	89	set_askpass wrong pass@host &&
726800a8	90	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
148bb6a7	91	expect_askpass pass user@host
5232586c JK	92	'
5232586c JK	93
dfa1725a	94	test_expect_success 'http auth can request both user and pass' '
afbf5ca5	95	set_askpass user@host pass@host &&
726800a8	96	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
148bb6a7	97	expect_askpass both user@host
3cf8fe1d GC	98	'
3cf8fe1d GC	99
dfa1725a	100	test_expect_success 'http auth respects credential helper config' '
11825072 JK	101	test_config_global credential.helper "!f() {
	102	cat >/dev/null
	103	echo username=user@host
afbf5ca5	104	echo password=pass@host
11825072	105	}; f" &&
e837936c	106	set_askpass wrong &&
726800a8	107	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
11825072 JK	108	expect_askpass none
	109	'
	110
dfa1725a	111	test_expect_success 'http auth can get username from config' '
d5742425	112	test_config_global "credential.$HTTPD_URL.username" user@host &&
afbf5ca5	113	set_askpass wrong pass@host &&
726800a8	114	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
d5742425 JK	115	expect_askpass pass user@host
	116	'
	117
dfa1725a	118	test_expect_success 'configured username does not override URL' '
d5742425	119	test_config_global "credential.$HTTPD_URL.username" wrong &&
afbf5ca5	120	set_askpass wrong pass@host &&
726800a8	121	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
d5742425 JK	122	expect_askpass pass user@host
	123	'
	124
455d22c1	125	test_expect_success 'set up repo with http submodules' '
14111fc4 JK	126	git init super &&
	127	set_askpass user@host pass@host &&
	128	(
	129	cd super &&
	130	git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
	131	git commit -m "add submodule"
455d22c1 JK	132	)
	133	'
	134
	135	test_expect_success 'cmdline credential config passes to submodule via clone' '
14111fc4 JK	136	set_askpass wrong pass@host &&
	137	test_must_fail git clone --recursive super super-clone &&
	138	rm -rf super-clone &&
455d22c1	139
14111fc4	140	set_askpass wrong pass@host &&
1149ee21	141	git -c "credential.$HTTPD_URL.username=user@host" \
14111fc4	142	clone --recursive super super-clone &&
c12e8656 JK	143	expect_askpass pass user@host
	144	'
	145
	146	test_expect_success 'cmdline credential config passes submodule via fetch' '
	147	set_askpass wrong pass@host &&
	148	test_must_fail git -C super-clone fetch --recurse-submodules &&
	149
	150	set_askpass wrong pass@host &&
	151	git -C super-clone \
	152	-c "credential.$HTTPD_URL.username=user@host" \
	153	fetch --recurse-submodules &&
14111fc4 JK	154	expect_askpass pass user@host
	155	'
	156
860cba61 JK	157	test_expect_success 'cmdline credential config passes submodule update' '
	158	# advance the submodule HEAD so that a fetch is required
	159	git commit --allow-empty -m foo &&
	160	git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
	161	sha1=$(git rev-parse HEAD) &&
	162	git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
	163
	164	set_askpass wrong pass@host &&
	165	test_must_fail git -C super-clone submodule update &&
	166
	167	set_askpass wrong pass@host &&
	168	git -C super-clone \
	169	-c "credential.$HTTPD_URL.username=user@host" \
	170	submodule update &&
	171	expect_askpass pass user@host
	172	'
	173
119c8eee JK	174	test_expect_success 'fetch changes via http' '
	175	echo content >>file &&
	176	git commit -a -m two &&
2bcd9ec5	177	git push public &&
119c8eee JK	178	(cd clone && git pull) &&
	179	test_cmp file clone/file
	180	'
	181
6cfc0286 TRC	182	test_expect_success 'fetch changes via manual http-fetch' '
	183	cp -R clone-tmpl clone2 &&
	184
	185	HEAD=$(git rev-parse --verify HEAD) &&
	186	(cd clone2 &&
028cb644 JS	187	git http-fetch -a -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	188	git checkout main-new &&
6cfc0286 TRC	189	test $HEAD = $(git rev-parse --verify HEAD)) &&
	190	test_cmp file clone2/file
	191	'
	192
2e85a0c8 MÅ	193	test_expect_success 'manual http-fetch without -a works just as well' '
	194	cp -R clone-tmpl clone3 &&
	195
	196	HEAD=$(git rev-parse --verify HEAD) &&
	197	(cd clone3 &&
028cb644 JS	198	git http-fetch -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	199	git checkout main-new &&
2e85a0c8 MÅ	200	test $HEAD = $(git rev-parse --verify HEAD)) &&
	201	test_cmp file clone3/file
	202	'
	203
fbb074c2	204	test_expect_success 'http remote detects correct HEAD' '
028cb644	205	git push public main:other &&
fbb074c2 JK	206	(cd clone &&
	207	git remote set-head origin -d &&
	208	git remote set-head origin -a &&
	209	git symbolic-ref refs/remotes/origin/HEAD > output &&
028cb644	210	echo refs/remotes/origin/main > expect &&
fbb074c2 JK	211	test_cmp expect output
	212	)
	213	'
	214
96a4f187 TRC	215	test_expect_success 'fetch packed objects' '
96a4f187 TRC	216	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
d761b2ac	217	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
1327d839	218	git --bare repack -a -d
d761b2ac	219	) &&
024bb125	220	git clone $HTTPD_URL/dumb/repo_pack.git
96a4f187 TRC	221	'
96a4f187 TRC	222
8d5d2a34 JT	223	test_expect_success 'http-fetch --packfile' '
	224	# Arbitrary hash. Use rev-parse so that we get one of the correct
	225	# length.
	226	ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	227
	228	git init packfileclient &&
	229	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
27e35ba6 JT	230	git -C packfileclient http-fetch --packfile=$ARBITRARY \
	231	--index-pack-arg=index-pack --index-pack-arg=--stdin \
	232	--index-pack-arg=--keep \
	233	"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
8d5d2a34 JT	234
	235	grep "^keep.[0-9a-f]\{16,\}$" out &&
	236	cut -c6- out >packhash &&
	237
	238	# Ensure that the expected files are generated
	239	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
	240	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
	241	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
	242
	243	# Ensure that it has the HEAD of repo_pack, at least
	244	HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	245	git -C packfileclient cat-file -e "$HASH"
	246	'
	247
fe72d420 SP	248	test_expect_success 'fetch notices corrupt pack' '
	249	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
	250	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
bacb1c01	251	p=$(ls objects/pack/pack-*.pack) &&
fe72d420 SP	252	chmod u+w $p &&
	253	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	254	) &&
	255	mkdir repo_bad1.git &&
	256	(cd repo_bad1.git &&
	257	git --bare init &&
	258	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
bacb1c01	259	test 0 = $(ls objects/pack/pack-*.pack \| wc -l)
fe72d420 SP	260	)
	261	'
	262
8d5d2a34 JT	263	test_expect_success 'http-fetch --packfile with corrupt pack' '
	264	rm -rf packfileclient &&
	265	git init packfileclient &&
	266	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
	267	test_must_fail git -C packfileclient http-fetch --packfile \
	268	"$HTTPD_URL"/dumb/repo_bad1.git/$p
	269	'
	270
750ef425 SP	271	test_expect_success 'fetch notices corrupt idx' '
	272	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
	273	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
bacb1c01	274	p=$(ls objects/pack/pack-*.idx) &&
750ef425 SP	275	chmod u+w $p &&
	276	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	277	) &&
	278	mkdir repo_bad2.git &&
	279	(cd repo_bad2.git &&
	280	git --bare init &&
	281	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
bacb1c01	282	test 0 = $(ls objects/pack \| wc -l)
750ef425 SP	283	)
	284	'
	285
8b9c2dd4 JK	286	test_expect_success 'fetch can handle previously-fetched .idx files' '
	287	git checkout --orphan branch1 &&
	288	echo base >file &&
	289	git add file &&
	290	git commit -m base &&
	291	git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
	292	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
	293	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	294	git checkout -b branch2 branch1 &&
	295	echo b2 >>file &&
	296	git commit -a -m b2 &&
	297	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
	298	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	299	git --bare init clone_packed_branches.git &&
	300	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
	301	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
	302	'
	303
7da4e228	304	test_expect_success 'did not use upload-pack service' '
5a828bcf	305	! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
7da4e228 SP	306	'
7da4e228 SP	307
dbcf2bd3 JK	308	test_expect_success 'git client shows text/plain errors' '
	309	test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
	310	grep "this is the error message" stderr
	311	'
	312
	313	test_expect_success 'git client does not show html errors' '
	314	test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
	315	! grep "this is the error message" stderr
	316	'
	317
bf197fd7 JK	318	test_expect_success 'git client shows text/plain with a charset' '
	319	test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
	320	grep "this is the error message" stderr
	321	'
	322
fc1b774c JK	323	test_expect_success 'http error messages are reencoded' '
	324	test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
	325	grep "this is the error message" stderr
	326	'
	327
f34a655d YE	328	test_expect_success 'reencoding is robust to whitespace oddities' '
	329	test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
	330	grep "this is the error message" stderr
	331	'
	332
f18604bb YE	333	check_language () {
	334	case "$2" in
	335	'')
	336	>expect
	337	;;
	338	?*)
81590bf7	339	echo "=> Send header: Accept-Language: $1" >expect
f18604bb YE	340	;;
f18604bb YE	341	esac &&
81590bf7	342	GIT_TRACE_CURL=true \
f18604bb YE	343	LANGUAGE=$2 \
	344	git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
	345	tr -d '\015' <output \|
	346	sort -u \|
81590bf7	347	sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
f18604bb YE	348	test_cmp expect actual
	349	}
	350
	351	test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
	352	check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
	353
	354	test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
	355	check_language "ko-KR, *;q=0.9" "ko_KR:" &&
	356	check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
	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, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
	360
	361	test_expect_success 'git client sends Accept-Language with many preferred languages' '
	362	check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
	363	ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
	364	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
	365	check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
	366	ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
	367	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
	368	'
	369
	370	test_expect_success 'git client does not send an empty Accept-Language' '
81590bf7 EP	371	GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
81590bf7 EP	372	! grep "^=> Send header: Accept-Language:" stderr
f18604bb YE	373	'
f18604bb YE	374
d63ed6ef	375	test_expect_success 'remote-http complains cleanly about malformed urls' '
c44088ec JN	376	test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
c44088ec JN	377	test_i18ngrep "url has no scheme" stderr
d63ed6ef JK	378	'
d63ed6ef JK	379
e7fab62b JN	380	# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
	381	# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
	382	# learned to handle early remote helper failures more cleanly.
	383	test_expect_success 'remote-http complains cleanly about empty scheme' '
	384	test_must_fail ok=sigpipe git ls-remote \
	385	http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
	386	test_i18ngrep "url has no scheme" stderr
d63ed6ef JK	387	'
d63ed6ef JK	388
50d34137 JK	389	test_expect_success 'redirects can be forbidden/allowed' '
	390	test_must_fail git -c http.followRedirects=false \
	391	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
	392	git -c http.followRedirects=true \
	393	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
	394	'
	395
	396	test_expect_success 'redirects are reported to stderr' '
	397	# just look for a snippet of the redirected-to URL
	398	test_i18ngrep /dumb/ stderr
	399	'
	400
	401	test_expect_success 'non-initial redirects can be forbidden' '
	402	test_must_fail git -c http.followRedirects=initial \
	403	clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
	404	git -c http.followRedirects=true \
	405	clone $HTTPD_URL/redir-objects/repo.git redir-objects
	406	'
	407
	408	test_expect_success 'http.followRedirects defaults to "initial"' '
	409	test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
	410	'
	411
cb4d2d35 JK	412	# The goal is for a clone of the "evil" repository, which has no objects
	413	# itself, to cause the client to fetch objects from the "victim" repository.
	414	test_expect_success 'set up evil alternates scheme' '
	415	victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
	416	git init --bare "$victim" &&
	417	git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
	418	git -C "$victim" repack -ad &&
	419	git -C "$victim" update-server-info &&
	420	sha1=$(git -C "$victim" rev-parse HEAD) &&
	421
	422	evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
	423	git init --bare "$evil" &&
	424	# do this by hand to avoid object existence check
028cb644	425	printf "%s\\t%s\\n" $sha1 refs/heads/main >"$evil/info/refs"
cb4d2d35 JK	426	'
	427
	428	# Here we'll just redirect via HTTP. In a real-world attack these would be on
	429	# different servers, but we should reject it either way.
	430	test_expect_success 'http-alternates is a non-initial redirect' '
	431	echo "$HTTPD_URL/dumb/victim.git/objects" \
	432	>"$evil/objects/info/http-alternates" &&
	433	test_must_fail git -c http.followRedirects=initial \
	434	clone $HTTPD_URL/dumb/evil.git evil-initial &&
	435	git -c http.followRedirects=true \
	436	clone $HTTPD_URL/dumb/evil.git evil-initial
	437	'
	438
	439	# Curl supports a lot of protocols that we'd prefer not to allow
	440	# http-alternates to use, but it's hard to test whether curl has
	441	# accessed, say, the SMTP protocol, because we are not running an SMTP server.
	442	# But we can check that it does not allow access to file://, which would
	443	# otherwise allow this clone to complete.
	444	test_expect_success 'http-alternates cannot point at funny protocols' '
	445	echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
	446	test_must_fail git -c http.followRedirects=true \
	447	clone "$HTTPD_URL/dumb/evil.git" evil-file
	448	'
	449
abcbdc03 JK	450	test_expect_success 'http-alternates triggers not-from-user protocol check' '
	451	echo "$HTTPD_URL/dumb/victim.git/objects" \
	452	>"$evil/objects/info/http-alternates" &&
	453	test_config_global http.followRedirects true &&
	454	test_must_fail git -c protocol.http.allow=user \
	455	clone $HTTPD_URL/dumb/evil.git evil-user &&
	456	git -c protocol.http.allow=always \
	457	clone $HTTPD_URL/dumb/evil.git evil-user
	458	'
	459
8e27391a JT	460	test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
	461	git clone "$HTTPD_URL/redir-to/dumb/repo.git"
	462	'
	463
	464	test_expect_success 'print HTTP error when any intermediate redirect throws error' '
	465	test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
	466	test_i18ngrep "unable to access.*/redir-to/502" stderr
	467	'
	468
ccbbd8bf JK	469	test_expect_success 'fetching via http alternates works' '
	470	parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
	471	git init --bare "$parent" &&
	472	git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
	473	git -C "$parent" update-server-info &&
	474	commit=$(git -C "$parent" rev-parse HEAD) &&
	475
	476	child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
	477	git init --bare "$child" &&
	478	echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
	479	git -C "$child" update-ref HEAD $commit &&
	480	git -C "$child" update-server-info &&
	481
	482	git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
	483	'
	484
119c8eee	485	test_done