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diff --git a/cgit.c b/cgit.c index b282a67..9b4815d 100644 --- a/ cgit.c+++ b/ cgit.c |
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@@ -1,247 +1,247 @@ |
1 | /* cgit.c: cgi for the git scm |
1 | /* cgit.c: cgi for the git scm |
2 | * |
2 | * |
3 | * Copyright (C) 2006 Lars Hjemli |
3 | * Copyright (C) 2006 Lars Hjemli |
4 | * |
4 | * |
5 | * Licensed under GNU General Public License v2 |
5 | * Licensed under GNU General Public License v2 |
6 | * (see COPYING for full license text) |
6 | * (see COPYING for full license text) |
7 | */ |
7 | */ |
8 | |
8 | |
9 | #include "cgit.h" |
9 | #include "cgit.h" |
10 | |
10 | |
11 | const char cgit_version[] = CGIT_VERSION; |
11 | const char cgit_version[] = CGIT_VERSION; |
12 | |
12 | |
13 | |
13 | |
14 | static struct repoinfo *cgit_get_repoinfo(char *url) |
14 | static struct repoinfo *cgit_get_repoinfo(char *url) |
15 | { |
15 | { |
16 | int i; |
16 | int i; |
17 | struct repoinfo *repo; |
17 | struct repoinfo *repo; |
18 | |
18 | |
19 | for (i=0; i<cgit_repolist.count; i++) { |
19 | for (i=0; i<cgit_repolist.count; i++) { |
20 | repo = &cgit_repolist.repos[i]; |
20 | repo = &cgit_repolist.repos[i]; |
21 | if (!strcmp(repo->url, url)) |
21 | if (!strcmp(repo->url, url)) |
22 | return repo; |
22 | return repo; |
23 | } |
23 | } |
24 | return NULL; |
24 | return NULL; |
25 | } |
25 | } |
26 | |
26 | |
27 | |
27 | |
28 | static int cgit_prepare_cache(struct cacheitem *item) |
28 | static int cgit_prepare_cache(struct cacheitem *item) |
29 | { |
29 | { |
30 | if (!cgit_query_repo) { |
30 | if (!cgit_query_repo) { |
31 | item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); |
31 | item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); |
32 | item->ttl = cgit_cache_root_ttl; |
32 | item->ttl = cgit_cache_root_ttl; |
33 | return 1; |
33 | return 1; |
34 | } |
34 | } |
35 | cgit_repo = cgit_get_repoinfo(cgit_query_repo); |
35 | cgit_repo = cgit_get_repoinfo(cgit_query_repo); |
36 | if (!cgit_repo) { |
36 | if (!cgit_repo) { |
37 | char *title = fmt("%s - %s", cgit_root_title, "Bad request"); |
37 | char *title = fmt("%s - %s", cgit_root_title, "Bad request"); |
38 | cgit_print_docstart(title, item); |
38 | cgit_print_docstart(title, item); |
39 | cgit_print_pageheader(title, 0); |
39 | cgit_print_pageheader(title, 0); |
40 | cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); |
40 | cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); |
41 | cgit_print_docend(); |
41 | cgit_print_docend(); |
42 | return 0; |
42 | return 0; |
43 | } |
43 | } |
44 | |
44 | |
45 | if (!cgit_query_page) { |
45 | if (!cgit_query_page) { |
46 | item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, |
46 | item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, |
47 | cgit_repo->url)); |
47 | cgit_repo->url)); |
48 | item->ttl = cgit_cache_repo_ttl; |
48 | item->ttl = cgit_cache_repo_ttl; |
49 | } else { |
49 | } else { |
50 | item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, |
50 | item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, |
51 | cgit_repo->url, cgit_query_page, |
51 | cgit_repo->url, cgit_query_page, |
52 | cache_safe_filename(cgit_querystring))); |
52 | cache_safe_filename(cgit_querystring))); |
53 | if (cgit_query_has_symref) |
53 | if (cgit_query_has_symref) |
54 | item->ttl = cgit_cache_dynamic_ttl; |
54 | item->ttl = cgit_cache_dynamic_ttl; |
55 | else if (cgit_query_has_sha1) |
55 | else if (cgit_query_has_sha1) |
56 | item->ttl = cgit_cache_static_ttl; |
56 | item->ttl = cgit_cache_static_ttl; |
57 | else |
57 | else |
58 | item->ttl = cgit_cache_repo_ttl; |
58 | item->ttl = cgit_cache_repo_ttl; |
59 | } |
59 | } |
60 | return 1; |
60 | return 1; |
61 | } |
61 | } |
62 | |
62 | |
63 | static void cgit_print_repo_page(struct cacheitem *item) |
63 | static void cgit_print_repo_page(struct cacheitem *item) |
64 | { |
64 | { |
65 | char *title; |
65 | char *title; |
66 | int show_search; |
66 | int show_search; |
67 | |
67 | |
68 | if (!cgit_query_head) |
68 | if (!cgit_query_head) |
69 | cgit_query_head = cgit_repo->defbranch; |
69 | cgit_query_head = cgit_repo->defbranch; |
70 | |
70 | |
71 | if (chdir(cgit_repo->path)) { |
71 | if (chdir(cgit_repo->path)) { |
72 | title = fmt("%s - %s", cgit_root_title, "Bad request"); |
72 | title = fmt("%s - %s", cgit_root_title, "Bad request"); |
73 | cgit_print_docstart(title, item); |
73 | cgit_print_docstart(title, item); |
74 | cgit_print_pageheader(title, 0); |
74 | cgit_print_pageheader(title, 0); |
75 | cgit_print_error(fmt("Unable to scan repository: %s", |
75 | cgit_print_error(fmt("Unable to scan repository: %s", |
76 | strerror(errno))); |
76 | strerror(errno))); |
77 | cgit_print_docend(); |
77 | cgit_print_docend(); |
78 | return; |
78 | return; |
79 | } |
79 | } |
80 | |
80 | |
81 | title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); |
81 | title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); |
82 | show_search = 0; |
82 | show_search = 0; |
83 | setenv("GIT_DIR", cgit_repo->path, 1); |
83 | setenv("GIT_DIR", cgit_repo->path, 1); |
84 | |
84 | |
85 | if (cgit_query_page) { |
85 | if (cgit_query_page) { |
86 | if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { |
86 | if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { |
87 | cgit_print_snapshot(item, cgit_query_sha1, "zip", |
87 | cgit_print_snapshot(item, cgit_query_sha1, "zip", |
88 | cgit_repo->url, cgit_query_name); |
88 | cgit_repo->url, cgit_query_name); |
89 | return; |
89 | return; |
90 | } |
90 | } |
91 | if (!strcmp(cgit_query_page, "blob")) { |
91 | if (!strcmp(cgit_query_page, "blob")) { |
92 | cgit_print_blob(item, cgit_query_sha1, cgit_query_path); |
92 | cgit_print_blob(item, cgit_query_sha1, cgit_query_path); |
93 | return; |
93 | return; |
94 | } |
94 | } |
95 | } |
95 | } |
96 | |
96 | |
97 | if (cgit_query_page && !strcmp(cgit_query_page, "log")) |
97 | if (cgit_query_page && !strcmp(cgit_query_page, "log")) |
98 | show_search = 1; |
98 | show_search = 1; |
99 | |
99 | |
100 | cgit_print_docstart(title, item); |
100 | cgit_print_docstart(title, item); |
101 | |
101 | |
102 | |
102 | |
103 | if (!cgit_query_page) { |
103 | if (!cgit_query_page) { |
104 | cgit_print_pageheader("summary", show_search); |
104 | cgit_print_pageheader("summary", show_search); |
105 | cgit_print_summary(); |
105 | cgit_print_summary(); |
106 | cgit_print_docend(); |
106 | cgit_print_docend(); |
107 | return; |
107 | return; |
108 | } |
108 | } |
109 | |
109 | |
110 | cgit_print_pageheader(cgit_query_page, show_search); |
110 | cgit_print_pageheader(cgit_query_page, show_search); |
111 | |
111 | |
112 | if (!strcmp(cgit_query_page, "log")) { |
112 | if (!strcmp(cgit_query_page, "log")) { |
113 | cgit_print_log(cgit_query_head, cgit_query_ofs, |
113 | cgit_print_log(cgit_query_head, cgit_query_ofs, |
114 | cgit_max_commit_count, cgit_query_search, |
114 | cgit_max_commit_count, cgit_query_search, |
115 | cgit_query_path); |
115 | cgit_query_path); |
116 | } else if (!strcmp(cgit_query_page, "tree")) { |
116 | } else if (!strcmp(cgit_query_page, "tree")) { |
117 | cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); |
117 | cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); |
118 | } else if (!strcmp(cgit_query_page, "commit")) { |
118 | } else if (!strcmp(cgit_query_page, "commit")) { |
119 | cgit_print_commit(cgit_query_sha1); |
119 | cgit_print_commit(cgit_query_head); |
120 | } else if (!strcmp(cgit_query_page, "view")) { |
120 | } else if (!strcmp(cgit_query_page, "view")) { |
121 | cgit_print_view(cgit_query_sha1, cgit_query_path); |
121 | cgit_print_view(cgit_query_sha1, cgit_query_path); |
122 | } else if (!strcmp(cgit_query_page, "diff")) { |
122 | } else if (!strcmp(cgit_query_page, "diff")) { |
123 | cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path); |
123 | cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path); |
124 | } else { |
124 | } else { |
125 | cgit_print_error("Invalid request"); |
125 | cgit_print_error("Invalid request"); |
126 | } |
126 | } |
127 | cgit_print_docend(); |
127 | cgit_print_docend(); |
128 | } |
128 | } |
129 | |
129 | |
130 | static void cgit_fill_cache(struct cacheitem *item, int use_cache) |
130 | static void cgit_fill_cache(struct cacheitem *item, int use_cache) |
131 | { |
131 | { |
132 | static char buf[PATH_MAX]; |
132 | static char buf[PATH_MAX]; |
133 | int stdout2; |
133 | int stdout2; |
134 | |
134 | |
135 | getcwd(buf, sizeof(buf)); |
135 | getcwd(buf, sizeof(buf)); |
136 | item->st.st_mtime = time(NULL); |
136 | item->st.st_mtime = time(NULL); |
137 | |
137 | |
138 | if (use_cache) { |
138 | if (use_cache) { |
139 | stdout2 = chk_positive(dup(STDOUT_FILENO), |
139 | stdout2 = chk_positive(dup(STDOUT_FILENO), |
140 | "Preserving STDOUT"); |
140 | "Preserving STDOUT"); |
141 | chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); |
141 | chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); |
142 | chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); |
142 | chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); |
143 | } |
143 | } |
144 | |
144 | |
145 | if (cgit_query_repo) |
145 | if (cgit_query_repo) |
146 | cgit_print_repo_page(item); |
146 | cgit_print_repo_page(item); |
147 | else |
147 | else |
148 | cgit_print_repolist(item); |
148 | cgit_print_repolist(item); |
149 | |
149 | |
150 | if (use_cache) { |
150 | if (use_cache) { |
151 | chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); |
151 | chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); |
152 | chk_positive(dup2(stdout2, STDOUT_FILENO), |
152 | chk_positive(dup2(stdout2, STDOUT_FILENO), |
153 | "Restoring original STDOUT"); |
153 | "Restoring original STDOUT"); |
154 | chk_zero(close(stdout2), "Closing temporary STDOUT"); |
154 | chk_zero(close(stdout2), "Closing temporary STDOUT"); |
155 | } |
155 | } |
156 | |
156 | |
157 | chdir(buf); |
157 | chdir(buf); |
158 | } |
158 | } |
159 | |
159 | |
160 | static void cgit_check_cache(struct cacheitem *item) |
160 | static void cgit_check_cache(struct cacheitem *item) |
161 | { |
161 | { |
162 | int i = 0; |
162 | int i = 0; |
163 | |
163 | |
164 | top: |
164 | top: |
165 | if (++i > cgit_max_lock_attempts) { |
165 | if (++i > cgit_max_lock_attempts) { |
166 | die("cgit_refresh_cache: unable to lock %s: %s", |
166 | die("cgit_refresh_cache: unable to lock %s: %s", |
167 | item->name, strerror(errno)); |
167 | item->name, strerror(errno)); |
168 | } |
168 | } |
169 | if (!cache_exist(item)) { |
169 | if (!cache_exist(item)) { |
170 | if (!cache_lock(item)) { |
170 | if (!cache_lock(item)) { |
171 | sleep(1); |
171 | sleep(1); |
172 | goto top; |
172 | goto top; |
173 | } |
173 | } |
174 | if (!cache_exist(item)) { |
174 | if (!cache_exist(item)) { |
175 | cgit_fill_cache(item, 1); |
175 | cgit_fill_cache(item, 1); |
176 | cache_unlock(item); |
176 | cache_unlock(item); |
177 | } else { |
177 | } else { |
178 | cache_cancel_lock(item); |
178 | cache_cancel_lock(item); |
179 | } |
179 | } |
180 | } else if (cache_expired(item) && cache_lock(item)) { |
180 | } else if (cache_expired(item) && cache_lock(item)) { |
181 | if (cache_expired(item)) { |
181 | if (cache_expired(item)) { |
182 | cgit_fill_cache(item, 1); |
182 | cgit_fill_cache(item, 1); |
183 | cache_unlock(item); |
183 | cache_unlock(item); |
184 | } else { |
184 | } else { |
185 | cache_cancel_lock(item); |
185 | cache_cancel_lock(item); |
186 | } |
186 | } |
187 | } |
187 | } |
188 | } |
188 | } |
189 | |
189 | |
190 | static void cgit_print_cache(struct cacheitem *item) |
190 | static void cgit_print_cache(struct cacheitem *item) |
191 | { |
191 | { |
192 | static char buf[4096]; |
192 | static char buf[4096]; |
193 | ssize_t i; |
193 | ssize_t i; |
194 | |
194 | |
195 | int fd = open(item->name, O_RDONLY); |
195 | int fd = open(item->name, O_RDONLY); |
196 | if (fd<0) |
196 | if (fd<0) |
197 | die("Unable to open cached file %s", item->name); |
197 | die("Unable to open cached file %s", item->name); |
198 | |
198 | |
199 | while((i=read(fd, buf, sizeof(buf))) > 0) |
199 | while((i=read(fd, buf, sizeof(buf))) > 0) |
200 | write(STDOUT_FILENO, buf, i); |
200 | write(STDOUT_FILENO, buf, i); |
201 | |
201 | |
202 | close(fd); |
202 | close(fd); |
203 | } |
203 | } |
204 | |
204 | |
205 | static void cgit_parse_args(int argc, const char **argv) |
205 | static void cgit_parse_args(int argc, const char **argv) |
206 | { |
206 | { |
207 | int i; |
207 | int i; |
208 | |
208 | |
209 | for (i = 1; i < argc; i++) { |
209 | for (i = 1; i < argc; i++) { |
210 | if (!strncmp(argv[i], "--cache=", 8)) { |
210 | if (!strncmp(argv[i], "--cache=", 8)) { |
211 | cgit_cache_root = xstrdup(argv[i]+8); |
211 | cgit_cache_root = xstrdup(argv[i]+8); |
212 | } |
212 | } |
213 | if (!strcmp(argv[i], "--nocache")) { |
213 | if (!strcmp(argv[i], "--nocache")) { |
214 | cgit_nocache = 1; |
214 | cgit_nocache = 1; |
215 | } |
215 | } |
216 | if (!strncmp(argv[i], "--query=", 8)) { |
216 | if (!strncmp(argv[i], "--query=", 8)) { |
217 | cgit_querystring = xstrdup(argv[i]+8); |
217 | cgit_querystring = xstrdup(argv[i]+8); |
218 | } |
218 | } |
219 | if (!strncmp(argv[i], "--repo=", 7)) { |
219 | if (!strncmp(argv[i], "--repo=", 7)) { |
220 | cgit_query_repo = xstrdup(argv[i]+7); |
220 | cgit_query_repo = xstrdup(argv[i]+7); |
221 | } |
221 | } |
222 | if (!strncmp(argv[i], "--page=", 7)) { |
222 | if (!strncmp(argv[i], "--page=", 7)) { |
223 | cgit_query_page = xstrdup(argv[i]+7); |
223 | cgit_query_page = xstrdup(argv[i]+7); |
224 | } |
224 | } |
225 | if (!strncmp(argv[i], "--head=", 7)) { |
225 | if (!strncmp(argv[i], "--head=", 7)) { |
226 | cgit_query_head = xstrdup(argv[i]+7); |
226 | cgit_query_head = xstrdup(argv[i]+7); |
227 | cgit_query_has_symref = 1; |
227 | cgit_query_has_symref = 1; |
228 | } |
228 | } |
229 | if (!strncmp(argv[i], "--sha1=", 7)) { |
229 | if (!strncmp(argv[i], "--sha1=", 7)) { |
230 | cgit_query_sha1 = xstrdup(argv[i]+7); |
230 | cgit_query_sha1 = xstrdup(argv[i]+7); |
231 | cgit_query_has_sha1 = 1; |
231 | cgit_query_has_sha1 = 1; |
232 | } |
232 | } |
233 | if (!strncmp(argv[i], "--ofs=", 6)) { |
233 | if (!strncmp(argv[i], "--ofs=", 6)) { |
234 | cgit_query_ofs = atoi(argv[i]+6); |
234 | cgit_query_ofs = atoi(argv[i]+6); |
235 | } |
235 | } |
236 | } |
236 | } |
237 | } |
237 | } |
238 | |
238 | |
239 | int main(int argc, const char **argv) |
239 | int main(int argc, const char **argv) |
240 | { |
240 | { |
241 | struct cacheitem item; |
241 | struct cacheitem item; |
242 | |
242 | |
243 | htmlfd = STDOUT_FILENO; |
243 | htmlfd = STDOUT_FILENO; |
244 | item.st.st_mtime = time(NULL); |
244 | item.st.st_mtime = time(NULL); |
245 | cgit_repolist.length = 0; |
245 | cgit_repolist.length = 0; |
246 | cgit_repolist.count = 0; |
246 | cgit_repolist.count = 0; |
247 | cgit_repolist.repos = NULL; |
247 | cgit_repolist.repos = NULL; |
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