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