1 /* cgit.c: cgi for the git scm
3 * Copyright (C) 2006 Lars Hjemli
4 * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
6 * Licensed under GNU General Public License v2
7 * (see COPYING for full license text)
13 #include "configfile.h"
15 #include "ui-shared.h"
17 #include "scan-tree.h"
19 const char *cgit_version = CGIT_VERSION;
21 void add_mimetype(const char *name, const char *value)
23 struct string_list_item *item;
25 item = string_list_insert(&ctx.cfg.mimetypes, xstrdup(name));
26 item->util = xstrdup(value);
29 struct cgit_filter *new_filter(const char *cmd, int extra_args)
31 struct cgit_filter *f;
36 f = xmalloc(sizeof(struct cgit_filter));
37 f->cmd = xstrdup(cmd);
38 f->argv = xmalloc((2 + extra_args) * sizeof(char *));
44 static void process_cached_repolist(const char *path);
46 void repo_config(struct cgit_repo *repo, const char *name, const char *value)
48 if (!strcmp(name, "name"))
49 repo->name = xstrdup(value);
50 else if (!strcmp(name, "clone-url"))
51 repo->clone_url = xstrdup(value);
52 else if (!strcmp(name, "desc"))
53 repo->desc = xstrdup(value);
54 else if (!strcmp(name, "owner"))
55 repo->owner = xstrdup(value);
56 else if (!strcmp(name, "defbranch"))
57 repo->defbranch = xstrdup(value);
58 else if (!strcmp(name, "snapshots"))
59 repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
60 else if (!strcmp(name, "enable-commit-graph"))
61 repo->enable_commit_graph = ctx.cfg.enable_commit_graph * atoi(value);
62 else if (!strcmp(name, "enable-log-filecount"))
63 repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
64 else if (!strcmp(name, "enable-log-linecount"))
65 repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
66 else if (!strcmp(name, "enable-remote-branches"))
67 repo->enable_remote_branches = atoi(value);
68 else if (!strcmp(name, "enable-subject-links"))
69 repo->enable_subject_links = atoi(value);
70 else if (!strcmp(name, "max-stats"))
71 repo->max_stats = cgit_find_stats_period(value, NULL);
72 else if (!strcmp(name, "module-link"))
73 repo->module_link= xstrdup(value);
74 else if (!strcmp(name, "section"))
75 repo->section = xstrdup(value);
76 else if (!strcmp(name, "readme") && value != NULL) {
77 repo->readme = xstrdup(value);
78 } else if (ctx.cfg.enable_filter_overrides) {
79 if (!strcmp(name, "about-filter"))
80 repo->about_filter = new_filter(value, 0);
81 else if (!strcmp(name, "commit-filter"))
82 repo->commit_filter = new_filter(value, 0);
83 else if (!strcmp(name, "source-filter"))
84 repo->source_filter = new_filter(value, 1);
88 void config_cb(const char *name, const char *value)
90 if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
91 ctx.cfg.section = xstrdup(value);
92 else if (!strcmp(name, "repo.url"))
93 ctx.repo = cgit_add_repo(value);
94 else if (ctx.repo && !strcmp(name, "repo.path"))
95 ctx.repo->path = trim_end(value, '/');
96 else if (ctx.repo && !prefixcmp(name, "repo."))
97 repo_config(ctx.repo, name + 5, value);
98 else if (!strcmp(name, "readme"))
99 ctx.cfg.readme = xstrdup(value);
100 else if (!strcmp(name, "root-title"))
101 ctx.cfg.root_title = xstrdup(value);
102 else if (!strcmp(name, "root-desc"))
103 ctx.cfg.root_desc = xstrdup(value);
104 else if (!strcmp(name, "root-readme"))
105 ctx.cfg.root_readme = xstrdup(value);
106 else if (!strcmp(name, "css"))
107 ctx.cfg.css = xstrdup(value);
108 else if (!strcmp(name, "favicon"))
109 ctx.cfg.favicon = xstrdup(value);
110 else if (!strcmp(name, "footer"))
111 ctx.cfg.footer = xstrdup(value);
112 else if (!strcmp(name, "head-include"))
113 ctx.cfg.head_include = xstrdup(value);
114 else if (!strcmp(name, "header"))
115 ctx.cfg.header = xstrdup(value);
116 else if (!strcmp(name, "logo"))
117 ctx.cfg.logo = xstrdup(value);
118 else if (!strcmp(name, "index-header"))
119 ctx.cfg.index_header = xstrdup(value);
120 else if (!strcmp(name, "index-info"))
121 ctx.cfg.index_info = xstrdup(value);
122 else if (!strcmp(name, "logo-link"))
123 ctx.cfg.logo_link = xstrdup(value);
124 else if (!strcmp(name, "module-link"))
125 ctx.cfg.module_link = xstrdup(value);
126 else if (!strcmp(name, "strict-export"))
127 ctx.cfg.strict_export = xstrdup(value);
128 else if (!strcmp(name, "virtual-root")) {
129 ctx.cfg.virtual_root = trim_end(value, '/');
130 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
131 ctx.cfg.virtual_root = "";
132 } else if (!strcmp(name, "nocache"))
133 ctx.cfg.nocache = atoi(value);
134 else if (!strcmp(name, "noplainemail"))
135 ctx.cfg.noplainemail = atoi(value);
136 else if (!strcmp(name, "noheader"))
137 ctx.cfg.noheader = atoi(value);
138 else if (!strcmp(name, "snapshots"))
139 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
140 else if (!strcmp(name, "enable-filter-overrides"))
141 ctx.cfg.enable_filter_overrides = atoi(value);
142 else if (!strcmp(name, "enable-gitweb-owner"))
143 ctx.cfg.enable_gitweb_owner = atoi(value);
144 else if (!strcmp(name, "enable-index-links"))
145 ctx.cfg.enable_index_links = atoi(value);
146 else if (!strcmp(name, "enable-commit-graph"))
147 ctx.cfg.enable_commit_graph = atoi(value);
148 else if (!strcmp(name, "enable-log-filecount"))
149 ctx.cfg.enable_log_filecount = atoi(value);
150 else if (!strcmp(name, "enable-log-linecount"))
151 ctx.cfg.enable_log_linecount = atoi(value);
152 else if (!strcmp(name, "enable-remote-branches"))
153 ctx.cfg.enable_remote_branches = atoi(value);
154 else if (!strcmp(name, "enable-subject-links"))
155 ctx.cfg.enable_subject_links = atoi(value);
156 else if (!strcmp(name, "enable-tree-linenumbers"))
157 ctx.cfg.enable_tree_linenumbers = atoi(value);
158 else if (!strcmp(name, "max-stats"))
159 ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
160 else if (!strcmp(name, "cache-size"))
161 ctx.cfg.cache_size = atoi(value);
162 else if (!strcmp(name, "cache-root"))
163 ctx.cfg.cache_root = xstrdup(expand_macros(value));
164 else if (!strcmp(name, "cache-root-ttl"))
165 ctx.cfg.cache_root_ttl = atoi(value);
166 else if (!strcmp(name, "cache-repo-ttl"))
167 ctx.cfg.cache_repo_ttl = atoi(value);
168 else if (!strcmp(name, "cache-scanrc-ttl"))
169 ctx.cfg.cache_scanrc_ttl = atoi(value);
170 else if (!strcmp(name, "cache-static-ttl"))
171 ctx.cfg.cache_static_ttl = atoi(value);
172 else if (!strcmp(name, "cache-dynamic-ttl"))
173 ctx.cfg.cache_dynamic_ttl = atoi(value);
174 else if (!strcmp(name, "about-filter"))
175 ctx.cfg.about_filter = new_filter(value, 0);
176 else if (!strcmp(name, "commit-filter"))
177 ctx.cfg.commit_filter = new_filter(value, 0);
178 else if (!strcmp(name, "embedded"))
179 ctx.cfg.embedded = atoi(value);
180 else if (!strcmp(name, "max-atom-items"))
181 ctx.cfg.max_atom_items = atoi(value);
182 else if (!strcmp(name, "max-message-length"))
183 ctx.cfg.max_msg_len = atoi(value);
184 else if (!strcmp(name, "max-repodesc-length"))
185 ctx.cfg.max_repodesc_len = atoi(value);
186 else if (!strcmp(name, "max-blob-size"))
187 ctx.cfg.max_blob_size = atoi(value);
188 else if (!strcmp(name, "max-repo-count"))
189 ctx.cfg.max_repo_count = atoi(value);
190 else if (!strcmp(name, "max-commit-count"))
191 ctx.cfg.max_commit_count = atoi(value);
192 else if (!strcmp(name, "project-list"))
193 ctx.cfg.project_list = xstrdup(expand_macros(value));
194 else if (!strcmp(name, "scan-path"))
195 if (!ctx.cfg.nocache && ctx.cfg.cache_size)
196 process_cached_repolist(expand_macros(value));
197 else if (ctx.cfg.project_list)
198 scan_projects(expand_macros(value),
199 ctx.cfg.project_list, repo_config);
201 scan_tree(expand_macros(value), repo_config);
202 else if (!strcmp(name, "scan-hidden-path"))
203 ctx.cfg.scan_hidden_path = atoi(value);
204 else if (!strcmp(name, "section-from-path"))
205 ctx.cfg.section_from_path = atoi(value);
206 else if (!strcmp(name, "source-filter"))
207 ctx.cfg.source_filter = new_filter(value, 1);
208 else if (!strcmp(name, "summary-log"))
209 ctx.cfg.summary_log = atoi(value);
210 else if (!strcmp(name, "summary-branches"))
211 ctx.cfg.summary_branches = atoi(value);
212 else if (!strcmp(name, "summary-tags"))
213 ctx.cfg.summary_tags = atoi(value);
214 else if (!strcmp(name, "side-by-side-diffs"))
215 ctx.cfg.ssdiff = atoi(value);
216 else if (!strcmp(name, "agefile"))
217 ctx.cfg.agefile = xstrdup(value);
218 else if (!strcmp(name, "renamelimit"))
219 ctx.cfg.renamelimit = atoi(value);
220 else if (!strcmp(name, "remove-suffix"))
221 ctx.cfg.remove_suffix = atoi(value);
222 else if (!strcmp(name, "robots"))
223 ctx.cfg.robots = xstrdup(value);
224 else if (!strcmp(name, "clone-prefix"))
225 ctx.cfg.clone_prefix = xstrdup(value);
226 else if (!strcmp(name, "local-time"))
227 ctx.cfg.local_time = atoi(value);
228 else if (!prefixcmp(name, "mimetype."))
229 add_mimetype(name + 9, value);
230 else if (!strcmp(name, "include"))
231 parse_configfile(expand_macros(value), config_cb);
234 static void querystring_cb(const char *name, const char *value)
239 if (!strcmp(name,"r")) {
240 ctx.qry.repo = xstrdup(value);
241 ctx.repo = cgit_get_repoinfo(value);
242 } else if (!strcmp(name, "p")) {
243 ctx.qry.page = xstrdup(value);
244 } else if (!strcmp(name, "url")) {
247 ctx.qry.url = xstrdup(value);
248 cgit_parse_url(value);
249 } else if (!strcmp(name, "qt")) {
250 ctx.qry.grep = xstrdup(value);
251 } else if (!strcmp(name, "q")) {
252 ctx.qry.search = xstrdup(value);
253 } else if (!strcmp(name, "h")) {
254 ctx.qry.head = xstrdup(value);
255 ctx.qry.has_symref = 1;
256 } else if (!strcmp(name, "id")) {
257 ctx.qry.sha1 = xstrdup(value);
258 ctx.qry.has_sha1 = 1;
259 } else if (!strcmp(name, "id2")) {
260 ctx.qry.sha2 = xstrdup(value);
261 ctx.qry.has_sha1 = 1;
262 } else if (!strcmp(name, "ofs")) {
263 ctx.qry.ofs = atoi(value);
264 } else if (!strcmp(name, "path")) {
265 ctx.qry.path = trim_end(value, '/');
266 } else if (!strcmp(name, "name")) {
267 ctx.qry.name = xstrdup(value);
268 } else if (!strcmp(name, "mimetype")) {
269 ctx.qry.mimetype = xstrdup(value);
270 } else if (!strcmp(name, "s")){
271 ctx.qry.sort = xstrdup(value);
272 } else if (!strcmp(name, "showmsg")) {
273 ctx.qry.showmsg = atoi(value);
274 } else if (!strcmp(name, "period")) {
275 ctx.qry.period = xstrdup(value);
276 } else if (!strcmp(name, "ss")) {
277 ctx.qry.ssdiff = atoi(value);
278 } else if (!strcmp(name, "all")) {
279 ctx.qry.show_all = atoi(value);
280 } else if (!strcmp(name, "context")) {
281 ctx.qry.context = atoi(value);
282 } else if (!strcmp(name, "ignorews")) {
283 ctx.qry.ignorews = atoi(value);
287 char *xstrdupn(const char *str)
289 return (str ? xstrdup(str) : NULL);
292 static void prepare_context(struct cgit_context *ctx)
294 memset(ctx, 0, sizeof(*ctx));
295 ctx->cfg.agefile = "info/web/last-modified";
296 ctx->cfg.nocache = 0;
297 ctx->cfg.cache_size = 0;
298 ctx->cfg.cache_dynamic_ttl = 5;
299 ctx->cfg.cache_max_create_time = 5;
300 ctx->cfg.cache_repo_ttl = 5;
301 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
302 ctx->cfg.cache_root_ttl = 5;
303 ctx->cfg.cache_scanrc_ttl = 15;
304 ctx->cfg.cache_static_ttl = -1;
305 ctx->cfg.css = "/cgit.css";
306 ctx->cfg.logo = "/cgit.png";
307 ctx->cfg.local_time = 0;
308 ctx->cfg.enable_gitweb_owner = 1;
309 ctx->cfg.enable_tree_linenumbers = 1;
310 ctx->cfg.max_repo_count = 50;
311 ctx->cfg.max_commit_count = 50;
312 ctx->cfg.max_lock_attempts = 5;
313 ctx->cfg.max_msg_len = 80;
314 ctx->cfg.max_repodesc_len = 80;
315 ctx->cfg.max_blob_size = 0;
316 ctx->cfg.max_stats = 0;
317 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
318 ctx->cfg.project_list = NULL;
319 ctx->cfg.renamelimit = -1;
320 ctx->cfg.remove_suffix = 0;
321 ctx->cfg.robots = "index, nofollow";
322 ctx->cfg.root_title = "Git repository browser";
323 ctx->cfg.root_desc = "a fast webinterface for the git dscm";
324 ctx->cfg.scan_hidden_path = 0;
325 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
326 ctx->cfg.section = "";
327 ctx->cfg.summary_branches = 10;
328 ctx->cfg.summary_log = 10;
329 ctx->cfg.summary_tags = 10;
330 ctx->cfg.max_atom_items = 10;
332 ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
333 ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
334 ctx->env.https = xstrdupn(getenv("HTTPS"));
335 ctx->env.no_http = xstrdupn(getenv("NO_HTTP"));
336 ctx->env.path_info = xstrdupn(getenv("PATH_INFO"));
337 ctx->env.query_string = xstrdupn(getenv("QUERY_STRING"));
338 ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD"));
339 ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME"));
340 ctx->env.server_name = xstrdupn(getenv("SERVER_NAME"));
341 ctx->env.server_port = xstrdupn(getenv("SERVER_PORT"));
342 ctx->page.mimetype = "text/html";
343 ctx->page.charset = PAGE_ENCODING;
344 ctx->page.filename = NULL;
346 ctx->page.modified = time(NULL);
347 ctx->page.expires = ctx->page.modified;
348 ctx->page.etag = NULL;
349 memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
350 if (ctx->env.script_name)
351 ctx->cfg.script_name = ctx->env.script_name;
352 if (ctx->env.query_string)
353 ctx->qry.raw = ctx->env.query_string;
354 if (!ctx->env.cgit_config)
355 ctx->env.cgit_config = CGIT_CONFIG;
364 int find_current_ref(const char *refname, const unsigned char *sha1,
365 int flags, void *cb_data)
367 struct refmatch *info;
369 info = (struct refmatch *)cb_data;
370 if (!strcmp(refname, info->req_ref))
372 if (!info->first_ref)
373 info->first_ref = xstrdup(refname);
377 char *find_default_branch(struct cgit_repo *repo)
379 struct refmatch info;
382 info.req_ref = repo->defbranch;
383 info.first_ref = NULL;
385 for_each_branch_ref(find_current_ref, &info);
389 ref = info.first_ref;
395 static int prepare_repo_cmd(struct cgit_context *ctx)
398 unsigned char sha1[20];
401 setenv("GIT_DIR", ctx->repo->path, 1);
402 setup_git_directory_gently(&nongit);
404 ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
406 tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
408 cgit_print_http_headers(ctx);
409 cgit_print_docstart(ctx);
410 cgit_print_pageheader(ctx);
411 cgit_print_error(tmp);
415 ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
417 if (!ctx->qry.head) {
419 ctx->qry.head = find_default_branch(ctx->repo);
420 ctx->repo->defbranch = ctx->qry.head;
423 if (!ctx->qry.head) {
424 cgit_print_http_headers(ctx);
425 cgit_print_docstart(ctx);
426 cgit_print_pageheader(ctx);
427 cgit_print_error("Repository seems to be empty");
432 if (get_sha1(ctx->qry.head, sha1)) {
433 tmp = xstrdup(ctx->qry.head);
434 ctx->qry.head = ctx->repo->defbranch;
435 ctx->page.status = 404;
436 ctx->page.statusmsg = "not found";
437 cgit_print_http_headers(ctx);
438 cgit_print_docstart(ctx);
439 cgit_print_pageheader(ctx);
440 cgit_print_error(fmt("Invalid branch: %s", tmp));
447 static void process_request(void *cbdata)
449 struct cgit_context *ctx = cbdata;
450 struct cgit_cmd *cmd;
452 cmd = cgit_get_cmd(ctx);
454 ctx->page.title = "cgit error";
455 cgit_print_http_headers(ctx);
456 cgit_print_docstart(ctx);
457 cgit_print_pageheader(ctx);
458 cgit_print_error("Invalid request");
463 /* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual"
464 * in-project path limit to be made available at ctx->qry.vpath.
465 * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL).
467 ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL;
469 if (cmd->want_repo && !ctx->repo) {
470 cgit_print_http_headers(ctx);
471 cgit_print_docstart(ctx);
472 cgit_print_pageheader(ctx);
473 cgit_print_error(fmt("No repository selected"));
478 if (ctx->repo && prepare_repo_cmd(ctx))
481 if (cmd->want_layout) {
482 cgit_print_http_headers(ctx);
483 cgit_print_docstart(ctx);
484 cgit_print_pageheader(ctx);
489 if (cmd->want_layout)
493 int cmp_repos(const void *a, const void *b)
495 const struct cgit_repo *ra = a, *rb = b;
496 return strcmp(ra->url, rb->url);
499 char *build_snapshot_setting(int bitmap)
501 const struct cgit_snapshot_format *f;
502 char *result = xstrdup("");
506 for (f = cgit_snapshot_formats; f->suffix; f++) {
507 if (f->bit & bitmap) {
509 result = xstrdup(fmt("%s%s ", tmp, f->suffix));
513 len = strlen(result);
515 result[len - 1] = '\0';
519 char *get_first_line(char *txt)
521 char *t = xstrdup(txt);
522 char *p = strchr(t, '\n');
528 void print_repo(FILE *f, struct cgit_repo *repo)
530 fprintf(f, "repo.url=%s\n", repo->url);
531 fprintf(f, "repo.name=%s\n", repo->name);
532 fprintf(f, "repo.path=%s\n", repo->path);
534 fprintf(f, "repo.owner=%s\n", repo->owner);
536 char *tmp = get_first_line(repo->desc);
537 fprintf(f, "repo.desc=%s\n", tmp);
541 fprintf(f, "repo.readme=%s\n", repo->readme);
543 fprintf(f, "repo.defbranch=%s\n", repo->defbranch);
544 if (repo->module_link)
545 fprintf(f, "repo.module-link=%s\n", repo->module_link);
547 fprintf(f, "repo.section=%s\n", repo->section);
549 fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
550 fprintf(f, "repo.enable-commit-graph=%d\n",
551 repo->enable_commit_graph);
552 fprintf(f, "repo.enable-log-filecount=%d\n",
553 repo->enable_log_filecount);
554 fprintf(f, "repo.enable-log-linecount=%d\n",
555 repo->enable_log_linecount);
556 if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter)
557 fprintf(f, "repo.about-filter=%s\n", repo->about_filter->cmd);
558 if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter)
559 fprintf(f, "repo.commit-filter=%s\n", repo->commit_filter->cmd);
560 if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter)
561 fprintf(f, "repo.source-filter=%s\n", repo->source_filter->cmd);
562 if (repo->snapshots != ctx.cfg.snapshots) {
563 char *tmp = build_snapshot_setting(repo->snapshots);
564 fprintf(f, "repo.snapshots=%s\n", tmp);
567 if (repo->max_stats != ctx.cfg.max_stats)
568 fprintf(f, "repo.max-stats=%s\n",
569 cgit_find_stats_periodname(repo->max_stats));
573 void print_repolist(FILE *f, struct cgit_repolist *list, int start)
577 for(i = start; i < list->count; i++)
578 print_repo(f, &list->repos[i]);
581 /* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc'
582 * and return 0 on success.
584 static int generate_cached_repolist(const char *path, const char *cached_rc)
590 locked_rc = xstrdup(fmt("%s.lock", cached_rc));
591 f = fopen(locked_rc, "wx");
593 /* Inform about the error unless the lockfile already existed,
594 * since that only means we've got concurrent requests.
597 fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n",
598 locked_rc, strerror(errno), errno);
601 idx = cgit_repolist.count;
602 if (ctx.cfg.project_list)
603 scan_projects(path, ctx.cfg.project_list, repo_config);
605 scan_tree(path, repo_config);
606 print_repolist(f, &cgit_repolist, idx);
607 if (rename(locked_rc, cached_rc))
608 fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
609 locked_rc, cached_rc, strerror(errno), errno);
614 static void process_cached_repolist(const char *path)
621 hash = hash_str(path);
622 if (ctx.cfg.project_list)
623 hash += hash_str(ctx.cfg.project_list);
624 cached_rc = xstrdup(fmt("%s/rc-%8lx", ctx.cfg.cache_root, hash));
626 if (stat(cached_rc, &st)) {
627 /* Nothing is cached, we need to scan without forking. And
628 * if we fail to generate a cached repolist, we need to
629 * invoke scan_tree manually.
631 if (generate_cached_repolist(path, cached_rc)) {
632 if (ctx.cfg.project_list)
633 scan_projects(path, ctx.cfg.project_list,
636 scan_tree(path, repo_config);
641 parse_configfile(cached_rc, config_cb);
643 /* If the cached configfile hasn't expired, lets exit now */
644 age = time(NULL) - st.st_mtime;
645 if (age <= (ctx.cfg.cache_scanrc_ttl * 60))
648 /* The cached repolist has been parsed, but it was old. So lets
649 * rescan the specified path and generate a new cached repolist
650 * in a child-process to avoid latency for the current request.
655 exit(generate_cached_repolist(path, cached_rc));
658 static void cgit_parse_args(int argc, const char **argv)
663 for (i = 1; i < argc; i++) {
664 if (!strncmp(argv[i], "--cache=", 8)) {
665 ctx.cfg.cache_root = xstrdup(argv[i]+8);
667 if (!strcmp(argv[i], "--nocache")) {
670 if (!strcmp(argv[i], "--nohttp")) {
671 ctx.env.no_http = "1";
673 if (!strncmp(argv[i], "--query=", 8)) {
674 ctx.qry.raw = xstrdup(argv[i]+8);
676 if (!strncmp(argv[i], "--repo=", 7)) {
677 ctx.qry.repo = xstrdup(argv[i]+7);
679 if (!strncmp(argv[i], "--page=", 7)) {
680 ctx.qry.page = xstrdup(argv[i]+7);
682 if (!strncmp(argv[i], "--head=", 7)) {
683 ctx.qry.head = xstrdup(argv[i]+7);
684 ctx.qry.has_symref = 1;
686 if (!strncmp(argv[i], "--sha1=", 7)) {
687 ctx.qry.sha1 = xstrdup(argv[i]+7);
688 ctx.qry.has_sha1 = 1;
690 if (!strncmp(argv[i], "--ofs=", 6)) {
691 ctx.qry.ofs = atoi(argv[i]+6);
693 if (!strncmp(argv[i], "--scan-tree=", 12) ||
694 !strncmp(argv[i], "--scan-path=", 12)) {
695 /* HACK: the global snapshot bitmask defines the
696 * set of allowed snapshot formats, but the config
697 * file hasn't been parsed yet so the mask is
698 * currently 0. By setting all bits high before
699 * scanning we make sure that any in-repo cgitrc
700 * snapshot setting is respected by scan_tree().
701 * BTW: we assume that there'll never be more than
702 * 255 different snapshot formats supported by cgit...
704 ctx.cfg.snapshots = 0xFF;
706 scan_tree(argv[i] + 12, repo_config);
710 qsort(cgit_repolist.repos, cgit_repolist.count,
711 sizeof(struct cgit_repo), cmp_repos);
712 print_repolist(stdout, &cgit_repolist, 0);
717 static int calc_ttl()
720 return ctx.cfg.cache_root_ttl;
723 return ctx.cfg.cache_repo_ttl;
725 if (ctx.qry.has_symref)
726 return ctx.cfg.cache_dynamic_ttl;
728 if (ctx.qry.has_sha1)
729 return ctx.cfg.cache_static_ttl;
731 return ctx.cfg.cache_repo_ttl;
734 int main(int argc, const char **argv)
740 prepare_context(&ctx);
741 cgit_repolist.length = 0;
742 cgit_repolist.count = 0;
743 cgit_repolist.repos = NULL;
745 cgit_parse_args(argc, argv);
746 parse_configfile(expand_macros(ctx.env.cgit_config), config_cb);
748 http_parse_querystring(ctx.qry.raw, querystring_cb);
750 /* If virtual-root isn't specified in cgitrc, lets pretend
751 * that virtual-root equals SCRIPT_NAME.
753 if (!ctx.cfg.virtual_root)
754 ctx.cfg.virtual_root = ctx.cfg.script_name;
756 /* If no url parameter is specified on the querystring, lets
757 * use PATH_INFO as url. This allows cgit to work with virtual
758 * urls without the need for rewriterules in the webserver (as
759 * long as PATH_INFO is included in the cache lookup key).
761 path = ctx.env.path_info;
762 if (!ctx.qry.url && path) {
765 ctx.qry.url = xstrdup(path);
768 ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
771 ctx.qry.raw = xstrdup(ctx.qry.url);
772 cgit_parse_url(ctx.qry.url);
776 ctx.page.expires += ttl*60;
777 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
780 ctx.cfg.cache_size = 0;
781 err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
782 ctx.qry.raw, ttl, process_request, &ctx);
784 cgit_print_error(fmt("Error processing page: %s (%d)",
785 strerror(err), err));