1# Shell library to run an HTTP server for use in tests.
2# Ends the test early if httpd tests should not be run,
3# for example because the user has not enabled them.
4#
5# Usage:
6#
7#	. ./test-lib.sh
8#	. "$TEST_DIRECTORY"/lib-httpd.sh
9#	start_httpd
10#
11#	test_expect_success '...' '
12#		...
13#	'
14#
15#	test_expect_success ...
16#
17#	test_done
18#
19# Can be configured using the following variables.
20#
21#    GIT_TEST_HTTPD              enable HTTPD tests
22#    LIB_HTTPD_PATH              web server path
23#    LIB_HTTPD_MODULE_PATH       web server modules path
24#    LIB_HTTPD_PORT              listening port
25#    LIB_HTTPD_DAV               enable DAV
26#    LIB_HTTPD_SVN               enable SVN at given location (e.g. "svn")
27#    LIB_HTTPD_SSL               enable SSL
28#
29# Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
30#
31
32if test -n "$NO_CURL"
33then
34	skip_all='skipping test, git built without http support'
35	test_done
36fi
37
38if test -n "$NO_EXPAT" && test -n "$LIB_HTTPD_DAV"
39then
40	skip_all='skipping test, git built without expat support'
41	test_done
42fi
43
44if ! test_bool_env GIT_TEST_HTTPD true
45then
46	skip_all="Network testing disabled (unset GIT_TEST_HTTPD to enable)"
47	test_done
48fi
49
50if ! test_have_prereq NOT_ROOT; then
51	test_skip_or_die GIT_TEST_HTTPD \
52		"Cannot run httpd tests as root"
53fi
54
55HTTPD_PARA=""
56
57for DEFAULT_HTTPD_PATH in '/usr/sbin/httpd' '/usr/sbin/apache2'
58do
59	if test -x "$DEFAULT_HTTPD_PATH"
60	then
61		break
62	fi
63done
64
65for DEFAULT_HTTPD_MODULE_PATH in '/usr/libexec/apache2' \
66				 '/usr/lib/apache2/modules' \
67				 '/usr/lib64/httpd/modules' \
68				 '/usr/lib/httpd/modules'
69do
70	if test -d "$DEFAULT_HTTPD_MODULE_PATH"
71	then
72		break
73	fi
74done
75
76case $(uname) in
77	Darwin)
78		HTTPD_PARA="$HTTPD_PARA -DDarwin"
79	;;
80esac
81
82LIB_HTTPD_PATH=${LIB_HTTPD_PATH-"$DEFAULT_HTTPD_PATH"}
83test_set_port LIB_HTTPD_PORT
84
85TEST_PATH="$TEST_DIRECTORY"/lib-httpd
86HTTPD_ROOT_PATH="$PWD"/httpd
87HTTPD_DOCUMENT_ROOT_PATH=$HTTPD_ROOT_PATH/www
88
89# hack to suppress apache PassEnv warnings
90GIT_VALGRIND=$GIT_VALGRIND; export GIT_VALGRIND
91GIT_VALGRIND_OPTIONS=$GIT_VALGRIND_OPTIONS; export GIT_VALGRIND_OPTIONS
92GIT_TEST_SIDEBAND_ALL=$GIT_TEST_SIDEBAND_ALL; export GIT_TEST_SIDEBAND_ALL
93GIT_TRACE=$GIT_TRACE; export GIT_TRACE
94
95if ! test -x "$LIB_HTTPD_PATH"
96then
97	test_skip_or_die GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
98fi
99
100HTTPD_VERSION=$($LIB_HTTPD_PATH -v | \
101	sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q')
102
103if test -n "$HTTPD_VERSION"
104then
105	if test -z "$LIB_HTTPD_MODULE_PATH"
106	then
107		if ! test $HTTPD_VERSION -ge 2
108		then
109			test_skip_or_die GIT_TEST_HTTPD \
110				"at least Apache version 2 is required"
111		fi
112		if ! test -d "$DEFAULT_HTTPD_MODULE_PATH"
113		then
114			test_skip_or_die GIT_TEST_HTTPD \
115				"Apache module directory not found"
116		fi
117
118		LIB_HTTPD_MODULE_PATH="$DEFAULT_HTTPD_MODULE_PATH"
119	fi
120else
121	test_skip_or_die GIT_TEST_HTTPD \
122		"Could not identify web server at '$LIB_HTTPD_PATH'"
123fi
124
125install_script () {
126	write_script "$HTTPD_ROOT_PATH/$1" <"$TEST_PATH/$1"
127}
128
129prepare_httpd() {
130	mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH"
131	cp "$TEST_PATH"/passwd "$HTTPD_ROOT_PATH"
132	install_script incomplete-length-upload-pack-v2-http.sh
133	install_script incomplete-body-upload-pack-v2-http.sh
134	install_script error-no-report.sh
135	install_script broken-smart-http.sh
136	install_script error-smart-http.sh
137	install_script error.sh
138	install_script apply-one-time-perl.sh
139
140	ln -s "$LIB_HTTPD_MODULE_PATH" "$HTTPD_ROOT_PATH/modules"
141
142	if test -n "$LIB_HTTPD_SSL"
143	then
144		HTTPD_PROTO=https
145
146		RANDFILE_PATH="$HTTPD_ROOT_PATH"/.rnd openssl req \
147			-config "$TEST_PATH/ssl.cnf" \
148			-new -x509 -nodes \
149			-out "$HTTPD_ROOT_PATH/httpd.pem" \
150			-keyout "$HTTPD_ROOT_PATH/httpd.pem"
151		GIT_SSL_NO_VERIFY=t
152		export GIT_SSL_NO_VERIFY
153		HTTPD_PARA="$HTTPD_PARA -DSSL"
154	else
155		HTTPD_PROTO=http
156	fi
157	HTTPD_DEST=127.0.0.1:$LIB_HTTPD_PORT
158	HTTPD_URL=$HTTPD_PROTO://$HTTPD_DEST
159	HTTPD_URL_USER=$HTTPD_PROTO://user%40host@$HTTPD_DEST
160	HTTPD_URL_USER_PASS=$HTTPD_PROTO://user%40host:pass%40host@$HTTPD_DEST
161
162	if test -n "$LIB_HTTPD_DAV" || test -n "$LIB_HTTPD_SVN"
163	then
164		HTTPD_PARA="$HTTPD_PARA -DDAV"
165
166		if test -n "$LIB_HTTPD_SVN"
167		then
168			HTTPD_PARA="$HTTPD_PARA -DSVN"
169			LIB_HTTPD_SVNPATH="$rawsvnrepo"
170			svnrepo="http://127.0.0.1:$LIB_HTTPD_PORT/"
171			svnrepo="$svnrepo$LIB_HTTPD_SVN"
172			export LIB_HTTPD_SVN LIB_HTTPD_SVNPATH
173		fi
174	fi
175}
176
177start_httpd() {
178	prepare_httpd >&3 2>&4
179
180	test_atexit stop_httpd
181
182	"$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
183		-f "$TEST_PATH/apache.conf" $HTTPD_PARA \
184		-c "Listen 127.0.0.1:$LIB_HTTPD_PORT" -k start \
185		>&3 2>&4
186	if test $? -ne 0
187	then
188		cat "$HTTPD_ROOT_PATH"/error.log >&4 2>/dev/null
189		test_skip_or_die GIT_TEST_HTTPD "web server setup failed"
190	fi
191}
192
193stop_httpd() {
194	"$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
195		-f "$TEST_PATH/apache.conf" $HTTPD_PARA -k stop
196}
197
198test_http_push_nonff () {
199	REMOTE_REPO=$1
200	LOCAL_REPO=$2
201	BRANCH=$3
202	EXPECT_CAS_RESULT=${4-failure}
203
204	test_expect_success 'non-fast-forward push fails' '
205		cd "$REMOTE_REPO" &&
206		HEAD=$(git rev-parse --verify HEAD) &&
207
208		cd "$LOCAL_REPO" &&
209		git checkout $BRANCH &&
210		echo "changed" > path2 &&
211		git commit -a -m path2 --amend &&
212
213		test_must_fail git push -v origin >output 2>&1 &&
214		(cd "$REMOTE_REPO" &&
215		 test $HEAD = $(git rev-parse --verify HEAD))
216	'
217
218	test_expect_success 'non-fast-forward push show ref status' '
219		grep "^ ! \[rejected\][ ]*$BRANCH -> $BRANCH (non-fast-forward)$" output
220	'
221
222	test_expect_success 'non-fast-forward push shows help message' '
223		test_i18ngrep "Updates were rejected because" output
224	'
225
226	test_expect_${EXPECT_CAS_RESULT} 'force with lease aka cas' '
227		HEAD=$(	cd "$REMOTE_REPO" && git rev-parse --verify HEAD ) &&
228		test_when_finished '\''
229			(cd "$REMOTE_REPO" && git update-ref HEAD "$HEAD")
230		'\'' &&
231		(
232			cd "$LOCAL_REPO" &&
233			git push -v --force-with-lease=$BRANCH:$HEAD origin
234		) &&
235		git rev-parse --verify "$BRANCH" >expect &&
236		(
237			cd "$REMOTE_REPO" && git rev-parse --verify HEAD
238		) >actual &&
239		test_cmp expect actual
240	'
241}
242
243setup_askpass_helper() {
244	test_expect_success 'setup askpass helper' '
245		write_script "$TRASH_DIRECTORY/askpass" <<-\EOF &&
246		echo >>"$TRASH_DIRECTORY/askpass-query" "askpass: $*" &&
247		case "$*" in
248		*Username*)
249			what=user
250			;;
251		*Password*)
252			what=pass
253			;;
254		esac &&
255		cat "$TRASH_DIRECTORY/askpass-$what"
256		EOF
257		GIT_ASKPASS="$TRASH_DIRECTORY/askpass" &&
258		export GIT_ASKPASS &&
259		export TRASH_DIRECTORY
260	'
261}
262
263set_askpass() {
264	>"$TRASH_DIRECTORY/askpass-query" &&
265	echo "$1" >"$TRASH_DIRECTORY/askpass-user" &&
266	echo "$2" >"$TRASH_DIRECTORY/askpass-pass"
267}
268
269expect_askpass() {
270	dest=$HTTPD_DEST${3+/$3}
271
272	{
273		case "$1" in
274		none)
275			;;
276		pass)
277			echo "askpass: Password for 'http://$2@$dest': "
278			;;
279		both)
280			echo "askpass: Username for 'http://$dest': "
281			echo "askpass: Password for 'http://$2@$dest': "
282			;;
283		*)
284			false
285			;;
286		esac
287	} >"$TRASH_DIRECTORY/askpass-expect" &&
288	test_cmp "$TRASH_DIRECTORY/askpass-expect" \
289		 "$TRASH_DIRECTORY/askpass-query"
290}
291
292strip_access_log() {
293	sed -e "
294		s/^.* \"//
295		s/\"//
296		s/ [1-9][0-9]*\$//
297		s/^GET /GET  /
298	" "$HTTPD_ROOT_PATH"/access.log
299}
300
301# Requires one argument: the name of a file containing the expected stripped
302# access log entries.
303check_access_log() {
304	sort "$1" >"$1".sorted &&
305	strip_access_log >access.log.stripped &&
306	sort access.log.stripped >access.log.sorted &&
307	if ! test_cmp "$1".sorted access.log.sorted
308	then
309		test_cmp "$1" access.log.stripped
310	fi
311}
312