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authorLars Hjemli <hjemli@gmail.com>2007-05-17 22:47:47 (UTC)
committer Lars Hjemli <hjemli@gmail.com>2007-05-18 20:51:01 (UTC)
commit305414df1246531baf0f2c959c2c61df4e93c526 (patch) (unidiff)
tree18f071e269f01b875fd0045723faab30345d93ae /cgit.c
parent08cc2e5f0e24773dad81d38bd6b689e36afe9dda (diff)
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Move cgit_get_repoinfo into shared.c
This function will be usefull when parsing url arguments. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to 'cgit.c') (more/less context) (ignore whitespace changes)
-rw-r--r--cgit.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/cgit.c b/cgit.c
index 3e7e595..431e8fb 100644
--- a/cgit.c
+++ b/cgit.c
@@ -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
11const char cgit_version[] = CGIT_VERSION; 11const char cgit_version[] = CGIT_VERSION;
12 12
13 13
14static 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
28static int cgit_prepare_cache(struct cacheitem *item) 14static 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
63static void cgit_print_repo_page(struct cacheitem *item) 49static 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
131static void cgit_fill_cache(struct cacheitem *item, int use_cache) 117static 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
161static void cgit_check_cache(struct cacheitem *item) 147static 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
191static void cgit_print_cache(struct cacheitem *item) 177static 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
206static void cgit_parse_args(int argc, const char **argv) 192static 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
240int main(int argc, const char **argv) 226int 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}