[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
'

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
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	. "$TEST_DIRECTORY"/lib-httpd.sh
119c8eee JK	16	start_httpd
	17
	18	test_expect_success 'setup repository' '
c9704aa7	19	git config push.default matching &&
5a9681f4	20	echo content1 >file &&
119c8eee	21	git add file &&
99094a7a	22	git commit -m one &&
5a9681f4 CB	23	echo content2 >file &&
	24	git add file &&
	25	git commit -m two
119c8eee JK	26	'
119c8eee JK	27
5a9681f4	28	test_expect_success 'create http-accessible bare repository with loose objects' '
d4a7ffaa	29	cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
119c8eee	30	(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
5a9681f4 CB	31	git config core.bare true &&
5a9681f4 CB	32	mkdir -p hooks &&
1fd1a919 BW	33	write_script "hooks/post-update" <<-\EOF &&
	34	exec git update-server-info
	35	EOF
5a9681f4	36	hooks/post-update
119c8eee JK	37	) &&
119c8eee JK	38	git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
028cb644	39	git push public main:main
119c8eee JK	40	'
	41
	42	test_expect_success 'clone http repository' '
6cfc0286 TRC	43	git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
6cfc0286 TRC	44	cp -R clone-tmpl clone &&
119c8eee JK	45	test_cmp file clone/file
	46	'
	47
4b0c3c77 JN	48	test_expect_success 'list refs from outside any repository' '
4b0c3c77 JN	49	cat >expect <<-EOF &&
028cb644 JS	50	$(git rev-parse main) HEAD
028cb644 JS	51	$(git rev-parse main) refs/heads/main
4b0c3c77 JN	52	EOF
	53	nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
	54	test_cmp expect actual
	55	'
	56
5232586c	57	test_expect_success 'create password-protected repository' '
726800a8	58	mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
5232586c	59	cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
726800a8	60	"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
5232586c JK	61	'
5232586c JK	62
ac093d07	63	test_expect_success 'create empty remote repository' '
	64	git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	65	(cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
	66	mkdir -p hooks &&
	67	write_script "hooks/post-update" <<-\EOF &&
	68	exec git update-server-info
	69	EOF
	70	hooks/post-update
	71	)
	72	'
	73
	74	test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
	75	test_when_finished "rm -fr clone-empty" &&
	76	git clone $HTTPD_URL/dumb/empty.git clone-empty &&
	77	git -C clone-empty rev-parse --show-object-format >empty-format &&
	78	test "$(cat empty-format)" = "$(test_oid algo)"
	79	'
	80
e837936c	81	setup_askpass_helper
148bb6a7	82
5232586c	83	test_expect_success 'cloning password-protected repository can fail' '
e837936c	84	set_askpass wrong &&
726800a8	85	test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
148bb6a7	86	expect_askpass both wrong
5232586c JK	87	'
	88
	89	test_expect_success 'http auth can use user/pass in URL' '
e837936c	90	set_askpass wrong &&
726800a8	91	git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
148bb6a7	92	expect_askpass none
5232586c JK	93	'
5232586c JK	94
dfa1725a	95	test_expect_success 'http auth can use just user in URL' '
afbf5ca5	96	set_askpass wrong pass@host &&
726800a8	97	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
148bb6a7	98	expect_askpass pass user@host
5232586c JK	99	'
5232586c JK	100
dfa1725a	101	test_expect_success 'http auth can request both user and pass' '
afbf5ca5	102	set_askpass user@host pass@host &&
726800a8	103	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
148bb6a7	104	expect_askpass both user@host
3cf8fe1d GC	105	'
3cf8fe1d GC	106
dfa1725a	107	test_expect_success 'http auth respects credential helper config' '
11825072 JK	108	test_config_global credential.helper "!f() {
	109	cat >/dev/null
	110	echo username=user@host
afbf5ca5	111	echo password=pass@host
11825072	112	}; f" &&
e837936c	113	set_askpass wrong &&
726800a8	114	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
11825072 JK	115	expect_askpass none
	116	'
	117
dfa1725a	118	test_expect_success 'http auth can get username from config' '
d5742425	119	test_config_global "credential.$HTTPD_URL.username" user@host &&
afbf5ca5	120	set_askpass wrong pass@host &&
726800a8	121	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
d5742425 JK	122	expect_askpass pass user@host
	123	'
	124
dfa1725a	125	test_expect_success 'configured username does not override URL' '
d5742425	126	test_config_global "credential.$HTTPD_URL.username" wrong &&
afbf5ca5	127	set_askpass wrong pass@host &&
726800a8	128	git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
d5742425 JK	129	expect_askpass pass user@host
	130	'
	131
455d22c1	132	test_expect_success 'set up repo with http submodules' '
14111fc4 JK	133	git init super &&
	134	set_askpass user@host pass@host &&
	135	(
	136	cd super &&
	137	git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
	138	git commit -m "add submodule"
455d22c1 JK	139	)
	140	'
	141
	142	test_expect_success 'cmdline credential config passes to submodule via clone' '
14111fc4 JK	143	set_askpass wrong pass@host &&
	144	test_must_fail git clone --recursive super super-clone &&
	145	rm -rf super-clone &&
455d22c1	146
14111fc4	147	set_askpass wrong pass@host &&
1149ee21	148	git -c "credential.$HTTPD_URL.username=user@host" \
14111fc4	149	clone --recursive super super-clone &&
c12e8656 JK	150	expect_askpass pass user@host
	151	'
	152
	153	test_expect_success 'cmdline credential config passes submodule via fetch' '
	154	set_askpass wrong pass@host &&
	155	test_must_fail git -C super-clone fetch --recurse-submodules &&
	156
	157	set_askpass wrong pass@host &&
	158	git -C super-clone \
	159	-c "credential.$HTTPD_URL.username=user@host" \
	160	fetch --recurse-submodules &&
14111fc4 JK	161	expect_askpass pass user@host
	162	'
	163
860cba61 JK	164	test_expect_success 'cmdline credential config passes submodule update' '
	165	# advance the submodule HEAD so that a fetch is required
	166	git commit --allow-empty -m foo &&
	167	git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
	168	sha1=$(git rev-parse HEAD) &&
	169	git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
	170
	171	set_askpass wrong pass@host &&
	172	test_must_fail git -C super-clone submodule update &&
	173
	174	set_askpass wrong pass@host &&
	175	git -C super-clone \
	176	-c "credential.$HTTPD_URL.username=user@host" \
	177	submodule update &&
	178	expect_askpass pass user@host
	179	'
	180
119c8eee JK	181	test_expect_success 'fetch changes via http' '
	182	echo content >>file &&
	183	git commit -a -m two &&
2bcd9ec5	184	git push public &&
119c8eee JK	185	(cd clone && git pull) &&
	186	test_cmp file clone/file
	187	'
	188
6cfc0286 TRC	189	test_expect_success 'fetch changes via manual http-fetch' '
	190	cp -R clone-tmpl clone2 &&
	191
	192	HEAD=$(git rev-parse --verify HEAD) &&
	193	(cd clone2 &&
028cb644 JS	194	git http-fetch -a -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	195	git checkout main-new &&
6cfc0286 TRC	196	test $HEAD = $(git rev-parse --verify HEAD)) &&
	197	test_cmp file clone2/file
	198	'
	199
2e85a0c8 MÅ	200	test_expect_success 'manual http-fetch without -a works just as well' '
	201	cp -R clone-tmpl clone3 &&
	202
	203	HEAD=$(git rev-parse --verify HEAD) &&
	204	(cd clone3 &&
028cb644 JS	205	git http-fetch -w heads/main-new $HEAD $(git config remote.origin.url) &&
028cb644 JS	206	git checkout main-new &&
2e85a0c8 MÅ	207	test $HEAD = $(git rev-parse --verify HEAD)) &&
	208	test_cmp file clone3/file
	209	'
	210
fbb074c2	211	test_expect_success 'http remote detects correct HEAD' '
028cb644	212	git push public main:other &&
fbb074c2 JK	213	(cd clone &&
	214	git remote set-head origin -d &&
	215	git remote set-head origin -a &&
	216	git symbolic-ref refs/remotes/origin/HEAD > output &&
028cb644	217	echo refs/remotes/origin/main > expect &&
fbb074c2 JK	218	test_cmp expect output
	219	)
	220	'
	221
96a4f187 TRC	222	test_expect_success 'fetch packed objects' '
96a4f187 TRC	223	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
d761b2ac	224	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
1327d839	225	git --bare repack -a -d
d761b2ac	226	) &&
024bb125	227	git clone $HTTPD_URL/dumb/repo_pack.git
96a4f187 TRC	228	'
96a4f187 TRC	229
8d5d2a34 JT	230	test_expect_success 'http-fetch --packfile' '
	231	# Arbitrary hash. Use rev-parse so that we get one of the correct
	232	# length.
	233	ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	234
	235	git init packfileclient &&
	236	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
27e35ba6 JT	237	git -C packfileclient http-fetch --packfile=$ARBITRARY \
	238	--index-pack-arg=index-pack --index-pack-arg=--stdin \
	239	--index-pack-arg=--keep \
	240	"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
8d5d2a34 JT	241
	242	grep "^keep.[0-9a-f]\{16,\}$" out &&
	243	cut -c6- out >packhash &&
	244
	245	# Ensure that the expected files are generated
	246	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
	247	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
	248	test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
	249
	250	# Ensure that it has the HEAD of repo_pack, at least
	251	HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
	252	git -C packfileclient cat-file -e "$HASH"
	253	'
	254
fe72d420 SP	255	test_expect_success 'fetch notices corrupt pack' '
	256	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
	257	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
bacb1c01	258	p=$(ls objects/pack/pack-*.pack) &&
fe72d420 SP	259	chmod u+w $p &&
	260	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	261	) &&
	262	mkdir repo_bad1.git &&
	263	(cd repo_bad1.git &&
	264	git --bare init &&
	265	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
bacb1c01	266	test 0 = $(ls objects/pack/pack-*.pack \| wc -l)
fe72d420 SP	267	)
	268	'
	269
8d5d2a34 JT	270	test_expect_success 'http-fetch --packfile with corrupt pack' '
	271	rm -rf packfileclient &&
	272	git init packfileclient &&
	273	p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
	274	test_must_fail git -C packfileclient http-fetch --packfile \
	275	"$HTTPD_URL"/dumb/repo_bad1.git/$p
	276	'
	277
750ef425 SP	278	test_expect_success 'fetch notices corrupt idx' '
	279	cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
	280	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
bacb1c01	281	p=$(ls objects/pack/pack-*.idx) &&
750ef425 SP	282	chmod u+w $p &&
	283	printf %0256d 0 \| dd of=$p bs=256 count=1 seek=1 conv=notrunc
	284	) &&
	285	mkdir repo_bad2.git &&
	286	(cd repo_bad2.git &&
	287	git --bare init &&
	288	test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
bacb1c01	289	test 0 = $(ls objects/pack \| wc -l)
750ef425 SP	290	)
	291	'
	292
8b9c2dd4 JK	293	test_expect_success 'fetch can handle previously-fetched .idx files' '
	294	git checkout --orphan branch1 &&
	295	echo base >file &&
	296	git add file &&
	297	git commit -m base &&
	298	git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
	299	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
	300	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	301	git checkout -b branch2 branch1 &&
	302	echo b2 >>file &&
	303	git commit -a -m b2 &&
	304	git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
	305	git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
	306	git --bare init clone_packed_branches.git &&
	307	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
	308	git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
	309	'
	310
7da4e228	311	test_expect_success 'did not use upload-pack service' '
5a828bcf	312	! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
7da4e228 SP	313	'
7da4e228 SP	314
dbcf2bd3 JK	315	test_expect_success 'git client shows text/plain errors' '
	316	test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
	317	grep "this is the error message" stderr
	318	'
	319
	320	test_expect_success 'git client does not show html errors' '
	321	test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
	322	! grep "this is the error message" stderr
	323	'
	324
bf197fd7 JK	325	test_expect_success 'git client shows text/plain with a charset' '
	326	test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
	327	grep "this is the error message" stderr
	328	'
	329
fc1b774c JK	330	test_expect_success 'http error messages are reencoded' '
	331	test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
	332	grep "this is the error message" stderr
	333	'
	334
f34a655d YE	335	test_expect_success 'reencoding is robust to whitespace oddities' '
	336	test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
	337	grep "this is the error message" stderr
	338	'
	339
f18604bb YE	340	check_language () {
	341	case "$2" in
	342	'')
	343	>expect
	344	;;
	345	?*)
81590bf7	346	echo "=> Send header: Accept-Language: $1" >expect
f18604bb YE	347	;;
f18604bb YE	348	esac &&
81590bf7	349	GIT_TRACE_CURL=true \
f18604bb YE	350	LANGUAGE=$2 \
	351	git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
	352	tr -d '\015' <output \|
	353	sort -u \|
81590bf7	354	sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
f18604bb YE	355	test_cmp expect actual
	356	}
	357
	358	test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
	359	check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
	360
	361	test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
	362	check_language "ko-KR, *;q=0.9" "ko_KR:" &&
	363	check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
	364	check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
	365	check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
	366	check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
	367
	368	test_expect_success 'git client sends Accept-Language with many preferred languages' '
	369	check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
	370	ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
	371	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
	372	check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
	373	ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
	374	ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
	375	'
	376
	377	test_expect_success 'git client does not send an empty Accept-Language' '
81590bf7 EP	378	GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
81590bf7 EP	379	! grep "^=> Send header: Accept-Language:" stderr
f18604bb YE	380	'
f18604bb YE	381
d63ed6ef	382	test_expect_success 'remote-http complains cleanly about malformed urls' '
c44088ec JN	383	test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
c44088ec JN	384	test_i18ngrep "url has no scheme" stderr
d63ed6ef JK	385	'
d63ed6ef JK	386
e7fab62b JN	387	# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
	388	# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
	389	# learned to handle early remote helper failures more cleanly.
	390	test_expect_success 'remote-http complains cleanly about empty scheme' '
	391	test_must_fail ok=sigpipe git ls-remote \
	392	http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
	393	test_i18ngrep "url has no scheme" stderr
d63ed6ef JK	394	'
d63ed6ef JK	395
50d34137 JK	396	test_expect_success 'redirects can be forbidden/allowed' '
	397	test_must_fail git -c http.followRedirects=false \
	398	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
	399	git -c http.followRedirects=true \
	400	clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
	401	'
	402
	403	test_expect_success 'redirects are reported to stderr' '
	404	# just look for a snippet of the redirected-to URL
	405	test_i18ngrep /dumb/ stderr
	406	'
	407
	408	test_expect_success 'non-initial redirects can be forbidden' '
	409	test_must_fail git -c http.followRedirects=initial \
	410	clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
	411	git -c http.followRedirects=true \
	412	clone $HTTPD_URL/redir-objects/repo.git redir-objects
	413	'
	414
	415	test_expect_success 'http.followRedirects defaults to "initial"' '
	416	test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
	417	'
	418
cb4d2d35 JK	419	# The goal is for a clone of the "evil" repository, which has no objects
	420	# itself, to cause the client to fetch objects from the "victim" repository.
	421	test_expect_success 'set up evil alternates scheme' '
	422	victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
	423	git init --bare "$victim" &&
	424	git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
	425	git -C "$victim" repack -ad &&
	426	git -C "$victim" update-server-info &&
	427	sha1=$(git -C "$victim" rev-parse HEAD) &&
	428
	429	evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
	430	git init --bare "$evil" &&
	431	# do this by hand to avoid object existence check
028cb644	432	printf "%s\\t%s\\n" $sha1 refs/heads/main >"$evil/info/refs"
cb4d2d35 JK	433	'
	434
	435	# Here we'll just redirect via HTTP. In a real-world attack these would be on
	436	# different servers, but we should reject it either way.
	437	test_expect_success 'http-alternates is a non-initial redirect' '
	438	echo "$HTTPD_URL/dumb/victim.git/objects" \
	439	>"$evil/objects/info/http-alternates" &&
	440	test_must_fail git -c http.followRedirects=initial \
	441	clone $HTTPD_URL/dumb/evil.git evil-initial &&
	442	git -c http.followRedirects=true \
	443	clone $HTTPD_URL/dumb/evil.git evil-initial
	444	'
	445
	446	# Curl supports a lot of protocols that we'd prefer not to allow
	447	# http-alternates to use, but it's hard to test whether curl has
	448	# accessed, say, the SMTP protocol, because we are not running an SMTP server.
	449	# But we can check that it does not allow access to file://, which would
	450	# otherwise allow this clone to complete.
	451	test_expect_success 'http-alternates cannot point at funny protocols' '
	452	echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
	453	test_must_fail git -c http.followRedirects=true \
	454	clone "$HTTPD_URL/dumb/evil.git" evil-file
	455	'
	456
abcbdc03 JK	457	test_expect_success 'http-alternates triggers not-from-user protocol check' '
	458	echo "$HTTPD_URL/dumb/victim.git/objects" \
	459	>"$evil/objects/info/http-alternates" &&
	460	test_config_global http.followRedirects true &&
	461	test_must_fail git -c protocol.http.allow=user \
	462	clone $HTTPD_URL/dumb/evil.git evil-user &&
	463	git -c protocol.http.allow=always \
	464	clone $HTTPD_URL/dumb/evil.git evil-user
	465	'
	466
8e27391a JT	467	test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
	468	git clone "$HTTPD_URL/redir-to/dumb/repo.git"
	469	'
	470
	471	test_expect_success 'print HTTP error when any intermediate redirect throws error' '
	472	test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
	473	test_i18ngrep "unable to access.*/redir-to/502" stderr
	474	'
	475
ccbbd8bf JK	476	test_expect_success 'fetching via http alternates works' '
	477	parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
	478	git init --bare "$parent" &&
	479	git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
	480	git -C "$parent" update-server-info &&
	481	commit=$(git -C "$parent" rev-parse HEAD) &&
	482
	483	child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
	484	git init --bare "$child" &&
	485	echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
	486	git -C "$child" update-ref HEAD $commit &&
	487	git -C "$child" update-server-info &&
	488
	489	git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
	490	'
	491
119c8eee	492	test_done