1 #!/bin/sh
2 #
3 # Copyright (c) 2022 Mikhail Pchelin <misha@freebsd.org>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 
17 . ../cmdline/common.sh
18 . ./common.sh
19 
20 dummy_commit="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
21 
22 # Non-existent commit
23 test_request_bad_commit() {
24 	local testroot=`test_init request_bad_commit`
25 
26 	echo "0054want $dummy_commit multi_ack side-band-64k ofs-delta" \
27 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
28 		> $testroot/stdout 2>$testroot/stderr
29 
30 	# Replace embedded NUL from Git protocol with \n and then strip
31 	# off the initial capabilities advertisement header.
32 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
33 
34 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
35 		> $testroot/stdout.expected
36 	echo -n "0041ERR object $dummy_commit not found" \
37 		>> $testroot/stdout.expected
38 
39 	echo "gotsh: object $dummy_commit not found" \
40 		> $testroot/stderr.expected
41 
42 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
43 	ret=$?
44 	if [ $ret -ne 0 ]; then
45 		echo "unexpected stdout" >&2
46 		test_done "$testroot" "1"
47 		return 1
48 	fi
49 
50 	cmp -s $testroot/stderr.expected $testroot/stderr
51 	ret=$?
52 	if [ $ret -ne 0 ]; then
53 		echo "unexpected stderr" >&2
54 		diff -u $testroot/stderr.expected $testroot/stderr
55 		test_done "$testroot" "1"
56 		return 1
57 	fi
58 	test_done "$testroot" "$ret"
59 }
60 
61 # Zero pkt-len (as flush packet with payload)
62 test_request_bad_length_zero() {
63 	local testroot=`test_init request_bad_length_zero`
64 
65 	echo "0000want $dummy_commit multi_ack side-band-64k ofs-delta" \
66 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
67 		> $testroot/stdout 2>$testroot/stderr
68 
69 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
70 
71 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
72 		> $testroot/stdout.expected
73 	echo -n "0028ERR unexpected flush packet received" \
74 		>> $testroot/stdout.expected
75 
76 	echo "gotsh: unexpected flush packet received" \
77 		> $testroot/stderr.expected
78 
79 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
80 	ret=$?
81 	if [ $ret -ne 0 ]; then
82 		echo "unexpected stdout" >&2
83 		test_done "$testroot" "1"
84 		return 1
85 	fi
86 
87 	cmp -s $testroot/stderr $testroot/stderr.expected
88 	ret=$?
89 	if [ $ret -ne 0 ]; then
90 		echo "unexpected stderr" >&2
91 		diff -u $testroot/stderr.expected $testroot/stderr
92 		test_done "$testroot" "1"
93 		return 1
94 	fi
95 	test_done "$testroot" "$ret"
96 }
97 
98 # 0004 (empty)
99 test_request_bad_length_empty() {
100 	local testroot=`test_init request_bad_length_empty`
101 
102 	echo "0004want $dummy_commit multi_ack side-band-64k ofs-delta" \
103 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
104 		> $testroot/stdout 2>$testroot/stderr
105 
106 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
107 
108 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
109 		> $testroot/stdout.expected
110 	echo -n '0018ERR packet too short' >> $testroot/stdout.expected
111 
112 	echo "gotsh: packet too short" > $testroot/stderr.expected
113 
114 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
115 	ret=$?
116 	if [ $ret -ne 0 ]; then
117 		echo "unexpected stdout" >&2
118 		test_done "$testroot" "1"
119 		return 1
120 	fi
121 
122 	cmp -s $testroot/stderr.expected $testroot/stderr
123 	ret=$?
124 	if [ $ret -ne 0 ]; then
125 		echo "unexpected stderr" >&2
126 		diff -u $testroot/stderr.expected $testroot/stderr
127 		test_done "$testroot" "1"
128 		return 1
129 	fi
130 	test_done "$testroot" "$ret"
131 }
132 
133 # Pkt-len too small
134 test_request_bad_length_small() {
135 	local testroot=`test_init request_bad_length_small`
136 
137 	echo "0002want $dummy_commit multi_ack side-band-64k ofs-delta" \
138 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
139 		> $testroot/stdout 2>$testroot/stderr
140 
141 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
142 
143 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
144 		> $testroot/stdout.expected
145 	echo -n '0018ERR packet too short' >> $testroot/stdout.expected
146 
147 	echo "gotsh: packet too short" > $testroot/stderr.expected
148 
149 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
150 	ret=$?
151 	if [ $ret -ne 0 ]; then
152 		echo "unexpected stdout" >&2
153 		test_done "$testroot" "1"
154 		return 1
155 	fi
156 
157 	cmp -s $testroot/stderr.expected $testroot/stderr
158 	ret=$?
159 	if [ $ret -ne 0 ]; then
160 		echo "unexpected stderr" >&2
161 		diff -u $testroot/stderr.expected $testroot/stderr
162 		test_done "$testroot" "1"
163 		return 1
164 	fi
165 	test_done "$testroot" "$ret"
166 }
167 
168 # Pkt-len too large
169 test_request_bad_length_large() {
170 	local testroot=`test_init request_bad_length_large`
171 
172 	echo "ffffwant $dummy_commit multi_ack side-band-64k ofs-delta" \
173 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
174 		> $testroot/stdout 2>$testroot/stderr
175 
176 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
177 
178 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
179 		> $testroot/stdout.expected
180 	echo -n '001eERR unexpected end of file' \
181 		>> $testroot/stdout.expected
182 
183 	echo "gotsh: unexpected end of file" > $testroot/stderr.expected
184 
185 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
186 	ret=$?
187 	if [ $ret -ne 0 ]; then
188 		echo "unexpected stdout" >&2
189 		test_done "$testroot" "1"
190 		return 1
191 	fi
192 
193 	cmp -s $testroot/stderr.expected $testroot/stderr
194 	ret=$?
195 	if [ $ret -ne 0 ]; then
196 		echo "unexpected stderr" >&2
197 		diff -u $testroot/stderr.expected $testroot/stderr
198 		test_done "$testroot" "1"
199 		return 1
200 	fi
201 	test_done "$testroot" "$ret"
202 }
203 
204 # Unknown feature
205 test_request_bad_capabilities() {
206 	local testroot=`test_init request_bad_capabilities`
207 
208 	echo "0054want $dummy_commit aaaaaaaaa bbbbbbbbbbbbb ccccccccc" \
209 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/test-repo' \
210 		> $testroot/stdout 2>$testroot/stderr
211 
212 	tr '\0' '\n' < $testroot/stdout | tail -n 1 > $testroot/stdout.filtered
213 
214 	echo -n " agent=got/${GOT_VERSION_STR} ofs-delta side-band-64k0000" \
215 		> $testroot/stdout.expected
216 	echo -n "0025ERR unexpected want-line received" \
217 		>> $testroot/stdout.expected
218 
219 	echo "gotsh: unexpected want-line received" > $testroot/stderr.expected
220 
221 	cmp -s $testroot/stdout.expected $testroot/stdout.filtered
222 	ret=$?
223 	if [ $ret -ne 0 ]; then
224 		echo "unexpected stdout" >&2
225 		test_done "$testroot" "1"
226 		return 1
227 	fi
228 
229 	cmp -s $testroot/stderr.expected $testroot/stderr
230 	ret=$?
231 	if [ $ret -ne 0 ]; then
232 		echo "unexpected stderr" >&2
233 		diff -u $testroot/stderr.expected $testroot/stderr
234 		test_done "$testroot" "1"
235 		return 1
236 	fi
237 	test_done "$testroot" "$ret"
238 }
239 
240 # Unknown repository
241 test_request_bad_repository() {
242 	local testroot=`test_init request_bad_repository`
243 
244 	echo "0054want $dummy_commit aaaaaaaaa bbbbbbbbbbbbb ccccccccc" \
245 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack '/XXXX-XXXX' \
246 		> $testroot/stdout 2>$testroot/stderr
247 
248 	echo -n "001fERR no git repository found" > $testroot/stdout.expected
249 
250 	echo "gotsh: no git repository found" > $testroot/stderr.expected
251 
252 	cmp -s $testroot/stdout.expected $testroot/stdout
253 	ret=$?
254 	if [ $ret -ne 0 ]; then
255 		echo "unexpected stdout" >&2
256 		test_done "$testroot" "1"
257 		return 1
258 	fi
259 
260 	cmp -s $testroot/stderr.expected $testroot/stderr
261 	ret=$?
262 	if [ $ret -ne 0 ]; then
263 		echo "unexpected stderr" >&2
264 		diff -u $testroot/stderr.expected $testroot/stderr
265 		test_done "$testroot" "1"
266 		return 1
267 	fi
268 	test_done "$testroot" "$ret"
269 
270 }
271 
272 # Repository with name of 255 symbols
273 test_request_bad_large_repo_name() {
274 	local testroot=`test_init request_bad_large_repo_name`
275 
276 	# build a string of 255 "A": 63 "A" four times plus tree more "A"
277 	local a=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
278 	local repo_name="AAA$a$a$a$a"
279 
280 	echo "0054want $dummy_commit aaaaaaaaa bbbbbbbbbbbbb ccccccccc" \
281 		| ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack "/$repo_name" \
282 		> $testroot/stdout 2>$testroot/stderr
283 
284 	echo -n "0018ERR buffer too small" > $testroot/stdout.expected
285 
286 	echo "gotsh: buffer too small" > $testroot/stderr.expected
287 
288 	cmp -s $testroot/stdout.expected $testroot/stdout
289 	ret=$?
290 	if [ $ret -ne 0 ]; then
291 		echo "unexpected stdout" >&2
292 		test_done "$testroot" "1"
293 		return 1
294 	fi
295 
296 	cmp -s $testroot/stderr.expected $testroot/stderr
297 	ret=$?
298 	if [ $ret -ne 0 ]; then
299 		echo "unexpected stderr" >&2
300 		diff -u $testroot/stderr.expected $testroot/stderr
301 		test_done "$testroot" "1"
302 		return 1
303 	fi
304 	test_done "$testroot" "$ret"
305 }
306 
307 test_request_bad_no_repo() {
308 	local testroot=`test_init request_bad_no_repo`
309 
310 	for i in `seq 10`; do
311 		ssh ${GOTD_DEVUSER}@127.0.0.1 git-upload-pack \
312 			>/dev/null 2>/dev/null </dev/null
313 	done
314 
315 	# should still be able to clone; the repo is empty however
316 	got clone -q ${GOTD_TEST_REPO_URL} $testroot/repo-clone \
317 		2> $testroot/stderr
318 	cat <<EOF > $testroot/stderr.expected
319 got-fetch-pack: could not find any branches to fetch
320 got: could not find any branches to fetch
321 EOF
322 
323 	if ! cmp -s "$testroot/stderr.expected" "$testroot/stderr"; then
324 		echo "got clone failed for unexpected reason" >&2
325 		diff -u "$testroot/stderr.expected" "$testroot/stderr"
326 		test_done "$testroot" 1
327 		return
328 	fi
329 
330 	test_done "$testroot" 0
331 }
332 
333 test_parseargs "$@"
334 run_test test_request_bad_commit
335 run_test test_request_bad_length_zero
336 run_test test_request_bad_length_empty
337 run_test test_request_bad_length_small
338 run_test test_request_bad_length_large
339 run_test test_request_bad_capabilities
340 run_test test_request_bad_repository
341 run_test test_request_bad_large_repo_name
342 run_test test_request_bad_no_repo