author | Lars Hjemli <hjemli@gmail.com> | 2007-05-17 22:47:47 (UTC) |
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committer | Lars Hjemli <hjemli@gmail.com> | 2007-05-18 20:51:01 (UTC) |
commit | 305414df1246531baf0f2c959c2c61df4e93c526 (patch) (unidiff) | |
tree | 18f071e269f01b875fd0045723faab30345d93ae /cgit.c | |
parent | 08cc2e5f0e24773dad81d38bd6b689e36afe9dda (diff) | |
download | cgit-305414df1246531baf0f2c959c2c61df4e93c526.zip cgit-305414df1246531baf0f2c959c2c61df4e93c526.tar.gz cgit-305414df1246531baf0f2c959c2c61df4e93c526.tar.bz2 |
Move cgit_get_repoinfo into shared.c
This function will be usefull when parsing url arguments.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
-rw-r--r-- | cgit.c | 14 |
1 files changed, 0 insertions, 14 deletions
@@ -1,266 +1,252 @@ | |||
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) | ||
15 | { | ||
16 | int i; | ||
17 | struct repoinfo *repo; | ||
18 | |||
19 | for (i=0; i<cgit_repolist.count; i++) { | ||
20 | repo = &cgit_repolist.repos[i]; | ||
21 | if (!strcmp(repo->url, url)) | ||
22 | return repo; | ||
23 | } | ||
24 | return NULL; | ||
25 | } | ||
26 | |||
27 | |||
28 | static int cgit_prepare_cache(struct cacheitem *item) | 14 | static int cgit_prepare_cache(struct cacheitem *item) |
29 | { | 15 | { |
30 | if (!cgit_query_repo) { | 16 | if (!cgit_query_repo) { |
31 | item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); | 17 | item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); |
32 | item->ttl = cgit_cache_root_ttl; | 18 | item->ttl = cgit_cache_root_ttl; |
33 | return 1; | 19 | return 1; |
34 | } | 20 | } |
35 | cgit_repo = cgit_get_repoinfo(cgit_query_repo); | 21 | cgit_repo = cgit_get_repoinfo(cgit_query_repo); |
36 | if (!cgit_repo) { | 22 | if (!cgit_repo) { |
37 | char *title = fmt("%s - %s", cgit_root_title, "Bad request"); | 23 | char *title = fmt("%s - %s", cgit_root_title, "Bad request"); |
38 | cgit_print_docstart(title, item); | 24 | cgit_print_docstart(title, item); |
39 | cgit_print_pageheader(title, 0); | 25 | cgit_print_pageheader(title, 0); |
40 | cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); | 26 | cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); |
41 | cgit_print_docend(); | 27 | cgit_print_docend(); |
42 | return 0; | 28 | return 0; |
43 | } | 29 | } |
44 | 30 | ||
45 | if (!cgit_query_page) { | 31 | if (!cgit_query_page) { |
46 | item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, | 32 | item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, |
47 | cgit_repo->url)); | 33 | cgit_repo->url)); |
48 | item->ttl = cgit_cache_repo_ttl; | 34 | item->ttl = cgit_cache_repo_ttl; |
49 | } else { | 35 | } else { |
50 | item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, | 36 | item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, |
51 | cgit_repo->url, cgit_query_page, | 37 | cgit_repo->url, cgit_query_page, |
52 | cache_safe_filename(cgit_querystring))); | 38 | cache_safe_filename(cgit_querystring))); |
53 | if (cgit_query_has_symref) | 39 | if (cgit_query_has_symref) |
54 | item->ttl = cgit_cache_dynamic_ttl; | 40 | item->ttl = cgit_cache_dynamic_ttl; |
55 | else if (cgit_query_has_sha1) | 41 | else if (cgit_query_has_sha1) |
56 | item->ttl = cgit_cache_static_ttl; | 42 | item->ttl = cgit_cache_static_ttl; |
57 | else | 43 | else |
58 | item->ttl = cgit_cache_repo_ttl; | 44 | item->ttl = cgit_cache_repo_ttl; |
59 | } | 45 | } |
60 | return 1; | 46 | return 1; |
61 | } | 47 | } |
62 | 48 | ||
63 | static void cgit_print_repo_page(struct cacheitem *item) | 49 | static void cgit_print_repo_page(struct cacheitem *item) |
64 | { | 50 | { |
65 | char *title; | 51 | char *title; |
66 | int show_search; | 52 | int show_search; |
67 | 53 | ||
68 | if (!cgit_query_head) | 54 | if (!cgit_query_head) |
69 | cgit_query_head = cgit_repo->defbranch; | 55 | cgit_query_head = cgit_repo->defbranch; |
70 | 56 | ||
71 | if (chdir(cgit_repo->path)) { | 57 | if (chdir(cgit_repo->path)) { |
72 | title = fmt("%s - %s", cgit_root_title, "Bad request"); | 58 | title = fmt("%s - %s", cgit_root_title, "Bad request"); |
73 | cgit_print_docstart(title, item); | 59 | cgit_print_docstart(title, item); |
74 | cgit_print_pageheader(title, 0); | 60 | cgit_print_pageheader(title, 0); |
75 | cgit_print_error(fmt("Unable to scan repository: %s", | 61 | cgit_print_error(fmt("Unable to scan repository: %s", |
76 | strerror(errno))); | 62 | strerror(errno))); |
77 | cgit_print_docend(); | 63 | cgit_print_docend(); |
78 | return; | 64 | return; |
79 | } | 65 | } |
80 | 66 | ||
81 | title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); | 67 | title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); |
82 | show_search = 0; | 68 | show_search = 0; |
83 | setenv("GIT_DIR", cgit_repo->path, 1); | 69 | setenv("GIT_DIR", cgit_repo->path, 1); |
84 | 70 | ||
85 | if (cgit_query_page) { | 71 | if (cgit_query_page) { |
86 | if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { | 72 | if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { |
87 | cgit_print_snapshot(item, cgit_query_sha1, "zip", | 73 | cgit_print_snapshot(item, cgit_query_sha1, "zip", |
88 | cgit_repo->url, cgit_query_name); | 74 | cgit_repo->url, cgit_query_name); |
89 | return; | 75 | return; |
90 | } | 76 | } |
91 | if (!strcmp(cgit_query_page, "blob")) { | 77 | if (!strcmp(cgit_query_page, "blob")) { |
92 | cgit_print_blob(item, cgit_query_sha1, cgit_query_path); | 78 | cgit_print_blob(item, cgit_query_sha1, cgit_query_path); |
93 | return; | 79 | return; |
94 | } | 80 | } |
95 | } | 81 | } |
96 | 82 | ||
97 | if (cgit_query_page && !strcmp(cgit_query_page, "log")) | 83 | if (cgit_query_page && !strcmp(cgit_query_page, "log")) |
98 | show_search = 1; | 84 | show_search = 1; |
99 | 85 | ||
100 | cgit_print_docstart(title, item); | 86 | cgit_print_docstart(title, item); |
101 | 87 | ||
102 | 88 | ||
103 | if (!cgit_query_page) { | 89 | if (!cgit_query_page) { |
104 | cgit_print_pageheader("summary", show_search); | 90 | cgit_print_pageheader("summary", show_search); |
105 | cgit_print_summary(); | 91 | cgit_print_summary(); |
106 | cgit_print_docend(); | 92 | cgit_print_docend(); |
107 | return; | 93 | return; |
108 | } | 94 | } |
109 | 95 | ||
110 | cgit_print_pageheader(cgit_query_page, show_search); | 96 | cgit_print_pageheader(cgit_query_page, show_search); |
111 | 97 | ||
112 | if (!strcmp(cgit_query_page, "log")) { | 98 | if (!strcmp(cgit_query_page, "log")) { |
113 | cgit_print_log(cgit_query_head, cgit_query_ofs, | 99 | cgit_print_log(cgit_query_head, cgit_query_ofs, |
114 | cgit_max_commit_count, cgit_query_search, | 100 | cgit_max_commit_count, cgit_query_search, |
115 | cgit_query_path); | 101 | cgit_query_path); |
116 | } else if (!strcmp(cgit_query_page, "tree")) { | 102 | } else if (!strcmp(cgit_query_page, "tree")) { |
117 | cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); | 103 | cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); |
118 | } else if (!strcmp(cgit_query_page, "commit")) { | 104 | } else if (!strcmp(cgit_query_page, "commit")) { |
119 | cgit_print_commit(cgit_query_head); | 105 | cgit_print_commit(cgit_query_head); |
120 | } else if (!strcmp(cgit_query_page, "view")) { | 106 | } else if (!strcmp(cgit_query_page, "view")) { |
121 | cgit_print_view(cgit_query_sha1, cgit_query_path); | 107 | cgit_print_view(cgit_query_sha1, cgit_query_path); |
122 | } else if (!strcmp(cgit_query_page, "diff")) { | 108 | } else if (!strcmp(cgit_query_page, "diff")) { |
123 | cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, | 109 | cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, |
124 | cgit_query_path); | 110 | cgit_query_path); |
125 | } else { | 111 | } else { |
126 | cgit_print_error("Invalid request"); | 112 | cgit_print_error("Invalid request"); |
127 | } | 113 | } |
128 | cgit_print_docend(); | 114 | cgit_print_docend(); |
129 | } | 115 | } |
130 | 116 | ||
131 | static void cgit_fill_cache(struct cacheitem *item, int use_cache) | 117 | static void cgit_fill_cache(struct cacheitem *item, int use_cache) |
132 | { | 118 | { |
133 | static char buf[PATH_MAX]; | 119 | static char buf[PATH_MAX]; |
134 | int stdout2; | 120 | int stdout2; |
135 | 121 | ||
136 | getcwd(buf, sizeof(buf)); | 122 | getcwd(buf, sizeof(buf)); |
137 | item->st.st_mtime = time(NULL); | 123 | item->st.st_mtime = time(NULL); |
138 | 124 | ||
139 | if (use_cache) { | 125 | if (use_cache) { |
140 | stdout2 = chk_positive(dup(STDOUT_FILENO), | 126 | stdout2 = chk_positive(dup(STDOUT_FILENO), |
141 | "Preserving STDOUT"); | 127 | "Preserving STDOUT"); |
142 | chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); | 128 | chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); |
143 | chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); | 129 | chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); |
144 | } | 130 | } |
145 | 131 | ||
146 | if (cgit_query_repo) | 132 | if (cgit_query_repo) |
147 | cgit_print_repo_page(item); | 133 | cgit_print_repo_page(item); |
148 | else | 134 | else |
149 | cgit_print_repolist(item); | 135 | cgit_print_repolist(item); |
150 | 136 | ||
151 | if (use_cache) { | 137 | if (use_cache) { |
152 | chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); | 138 | chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); |
153 | chk_positive(dup2(stdout2, STDOUT_FILENO), | 139 | chk_positive(dup2(stdout2, STDOUT_FILENO), |
154 | "Restoring original STDOUT"); | 140 | "Restoring original STDOUT"); |
155 | chk_zero(close(stdout2), "Closing temporary STDOUT"); | 141 | chk_zero(close(stdout2), "Closing temporary STDOUT"); |
156 | } | 142 | } |
157 | 143 | ||
158 | chdir(buf); | 144 | chdir(buf); |
159 | } | 145 | } |
160 | 146 | ||
161 | static void cgit_check_cache(struct cacheitem *item) | 147 | static void cgit_check_cache(struct cacheitem *item) |
162 | { | 148 | { |
163 | int i = 0; | 149 | int i = 0; |
164 | 150 | ||
165 | top: | 151 | top: |
166 | if (++i > cgit_max_lock_attempts) { | 152 | if (++i > cgit_max_lock_attempts) { |
167 | die("cgit_refresh_cache: unable to lock %s: %s", | 153 | die("cgit_refresh_cache: unable to lock %s: %s", |
168 | item->name, strerror(errno)); | 154 | item->name, strerror(errno)); |
169 | } | 155 | } |
170 | if (!cache_exist(item)) { | 156 | if (!cache_exist(item)) { |
171 | if (!cache_lock(item)) { | 157 | if (!cache_lock(item)) { |
172 | sleep(1); | 158 | sleep(1); |
173 | goto top; | 159 | goto top; |
174 | } | 160 | } |
175 | if (!cache_exist(item)) { | 161 | if (!cache_exist(item)) { |
176 | cgit_fill_cache(item, 1); | 162 | cgit_fill_cache(item, 1); |
177 | cache_unlock(item); | 163 | cache_unlock(item); |
178 | } else { | 164 | } else { |
179 | cache_cancel_lock(item); | 165 | cache_cancel_lock(item); |
180 | } | 166 | } |
181 | } else if (cache_expired(item) && cache_lock(item)) { | 167 | } else if (cache_expired(item) && cache_lock(item)) { |
182 | if (cache_expired(item)) { | 168 | if (cache_expired(item)) { |
183 | cgit_fill_cache(item, 1); | 169 | cgit_fill_cache(item, 1); |
184 | cache_unlock(item); | 170 | cache_unlock(item); |
185 | } else { | 171 | } else { |
186 | cache_cancel_lock(item); | 172 | cache_cancel_lock(item); |
187 | } | 173 | } |
188 | } | 174 | } |
189 | } | 175 | } |
190 | 176 | ||
191 | static void cgit_print_cache(struct cacheitem *item) | 177 | static void cgit_print_cache(struct cacheitem *item) |
192 | { | 178 | { |
193 | static char buf[4096]; | 179 | static char buf[4096]; |
194 | ssize_t i; | 180 | ssize_t i; |
195 | 181 | ||
196 | int fd = open(item->name, O_RDONLY); | 182 | int fd = open(item->name, O_RDONLY); |
197 | if (fd<0) | 183 | if (fd<0) |
198 | die("Unable to open cached file %s", item->name); | 184 | die("Unable to open cached file %s", item->name); |
199 | 185 | ||
200 | while((i=read(fd, buf, sizeof(buf))) > 0) | 186 | while((i=read(fd, buf, sizeof(buf))) > 0) |
201 | write(STDOUT_FILENO, buf, i); | 187 | write(STDOUT_FILENO, buf, i); |
202 | 188 | ||
203 | close(fd); | 189 | close(fd); |
204 | } | 190 | } |
205 | 191 | ||
206 | static void cgit_parse_args(int argc, const char **argv) | 192 | static void cgit_parse_args(int argc, const char **argv) |
207 | { | 193 | { |
208 | int i; | 194 | int i; |
209 | 195 | ||
210 | for (i = 1; i < argc; i++) { | 196 | for (i = 1; i < argc; i++) { |
211 | if (!strncmp(argv[i], "--cache=", 8)) { | 197 | if (!strncmp(argv[i], "--cache=", 8)) { |
212 | cgit_cache_root = xstrdup(argv[i]+8); | 198 | cgit_cache_root = xstrdup(argv[i]+8); |
213 | } | 199 | } |
214 | if (!strcmp(argv[i], "--nocache")) { | 200 | if (!strcmp(argv[i], "--nocache")) { |
215 | cgit_nocache = 1; | 201 | cgit_nocache = 1; |
216 | } | 202 | } |
217 | if (!strncmp(argv[i], "--query=", 8)) { | 203 | if (!strncmp(argv[i], "--query=", 8)) { |
218 | cgit_querystring = xstrdup(argv[i]+8); | 204 | cgit_querystring = xstrdup(argv[i]+8); |
219 | } | 205 | } |
220 | if (!strncmp(argv[i], "--repo=", 7)) { | 206 | if (!strncmp(argv[i], "--repo=", 7)) { |
221 | cgit_query_repo = xstrdup(argv[i]+7); | 207 | cgit_query_repo = xstrdup(argv[i]+7); |
222 | } | 208 | } |
223 | if (!strncmp(argv[i], "--page=", 7)) { | 209 | if (!strncmp(argv[i], "--page=", 7)) { |
224 | cgit_query_page = xstrdup(argv[i]+7); | 210 | cgit_query_page = xstrdup(argv[i]+7); |
225 | } | 211 | } |
226 | if (!strncmp(argv[i], "--head=", 7)) { | 212 | if (!strncmp(argv[i], "--head=", 7)) { |
227 | cgit_query_head = xstrdup(argv[i]+7); | 213 | cgit_query_head = xstrdup(argv[i]+7); |
228 | cgit_query_has_symref = 1; | 214 | cgit_query_has_symref = 1; |
229 | } | 215 | } |
230 | if (!strncmp(argv[i], "--sha1=", 7)) { | 216 | if (!strncmp(argv[i], "--sha1=", 7)) { |
231 | cgit_query_sha1 = xstrdup(argv[i]+7); | 217 | cgit_query_sha1 = xstrdup(argv[i]+7); |
232 | cgit_query_has_sha1 = 1; | 218 | cgit_query_has_sha1 = 1; |
233 | } | 219 | } |
234 | if (!strncmp(argv[i], "--ofs=", 6)) { | 220 | if (!strncmp(argv[i], "--ofs=", 6)) { |
235 | cgit_query_ofs = atoi(argv[i]+6); | 221 | cgit_query_ofs = atoi(argv[i]+6); |
236 | } | 222 | } |
237 | } | 223 | } |
238 | } | 224 | } |
239 | 225 | ||
240 | int main(int argc, const char **argv) | 226 | int main(int argc, const char **argv) |
241 | { | 227 | { |
242 | struct cacheitem item; | 228 | struct cacheitem item; |
243 | 229 | ||
244 | htmlfd = STDOUT_FILENO; | 230 | htmlfd = STDOUT_FILENO; |
245 | item.st.st_mtime = time(NULL); | 231 | item.st.st_mtime = time(NULL); |
246 | cgit_repolist.length = 0; | 232 | cgit_repolist.length = 0; |
247 | cgit_repolist.count = 0; | 233 | cgit_repolist.count = 0; |
248 | cgit_repolist.repos = NULL; | 234 | cgit_repolist.repos = NULL; |
249 | 235 | ||
250 | cgit_read_config(CGIT_CONFIG, cgit_global_config_cb); | 236 | cgit_read_config(CGIT_CONFIG, cgit_global_config_cb); |
251 | if (getenv("SCRIPT_NAME")) | 237 | if (getenv("SCRIPT_NAME")) |
252 | cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); | 238 | cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); |
253 | if (getenv("QUERY_STRING")) | 239 | if (getenv("QUERY_STRING")) |
254 | cgit_querystring = xstrdup(getenv("QUERY_STRING")); | 240 | cgit_querystring = xstrdup(getenv("QUERY_STRING")); |
255 | cgit_parse_args(argc, argv); | 241 | cgit_parse_args(argc, argv); |
256 | cgit_parse_query(cgit_querystring, cgit_querystring_cb); | 242 | cgit_parse_query(cgit_querystring, cgit_querystring_cb); |
257 | if (!cgit_prepare_cache(&item)) | 243 | if (!cgit_prepare_cache(&item)) |
258 | return 0; | 244 | return 0; |
259 | if (cgit_nocache) { | 245 | if (cgit_nocache) { |
260 | cgit_fill_cache(&item, 0); | 246 | cgit_fill_cache(&item, 0); |
261 | } else { | 247 | } else { |
262 | cgit_check_cache(&item); | 248 | cgit_check_cache(&item); |
263 | cgit_print_cache(&item); | 249 | cgit_print_cache(&item); |
264 | } | 250 | } |
265 | return 0; | 251 | return 0; |
266 | } | 252 | } |