blob: 2c3ad73e064b556a23629194b9ca0a0a696186ee [file] [log] [blame]
Lars Hjemli7640d902006-12-10 22:41:14 +01001/* cgit.c: cgi for the git scm
2 *
3 * Copyright (C) 2006 Lars Hjemli
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
Lars Hjemli0d169ad2006-12-09 15:18:17 +01009#include "cgit.h"
Lars Hjemliee4056b2008-03-27 09:22:13 +010010#include "cache.h"
Lars Hjemlif3c1a182008-03-24 00:51:19 +010011#include "cmd.h"
Lars Hjemli20a33542008-03-28 00:09:11 +010012#include "configfile.h"
Lars Hjemlie87e8962008-04-08 21:11:36 +020013#include "html.h"
Lars Hjemlia4d1ca12008-03-24 16:50:57 +010014#include "ui-shared.h"
Lars Hjemlifb2f3f62008-12-07 13:17:21 +010015#include "ui-stats.h"
Lars Hjemli93397a72008-09-15 00:07:12 +020016#include "scan-tree.h"
Lars Hjemli0d169ad2006-12-09 15:18:17 +010017
Lars Hjemli92908af2008-03-24 23:10:59 +010018const char *cgit_version = CGIT_VERSION;
19
Lars Hjemlic4d46c72009-02-13 20:43:30 +010020void add_mimetype(const char *name, const char *value)
21{
22 struct string_list_item *item;
23
24 item = string_list_insert(xstrdup(name), &ctx.cfg.mimetypes);
25 item->util = xstrdup(value);
26}
27
Lars Hjemlid6f60722009-07-31 17:38:38 +020028struct cgit_filter *new_filter(const char *cmd, int extra_args)
29{
30 struct cgit_filter *f;
31
Lars Hjemli97b3d252009-08-09 13:39:44 +020032 if (!cmd || !cmd[0])
Lars Hjemlid6f60722009-07-31 17:38:38 +020033 return NULL;
34
35 f = xmalloc(sizeof(struct cgit_filter));
36 f->cmd = xstrdup(cmd);
37 f->argv = xmalloc((2 + extra_args) * sizeof(char *));
38 f->argv[0] = f->cmd;
39 f->argv[1] = NULL;
40 return f;
41}
42
Lars Hjemlid7468272009-08-20 17:41:54 +020043static void process_cached_repolist(const char *path);
44
Lars Hjemlia1b39382009-08-23 23:23:20 +020045void repo_config(struct cgit_repo *repo, const char *name, const char *value)
46{
47 if (!strcmp(name, "name"))
48 repo->name = xstrdup(value);
49 else if (!strcmp(name, "clone-url"))
50 repo->clone_url = xstrdup(value);
51 else if (!strcmp(name, "desc"))
52 repo->desc = xstrdup(value);
53 else if (!strcmp(name, "owner"))
54 repo->owner = xstrdup(value);
55 else if (!strcmp(name, "defbranch"))
56 repo->defbranch = xstrdup(value);
57 else if (!strcmp(name, "snapshots"))
58 repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
59 else if (!strcmp(name, "enable-log-filecount"))
60 repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
61 else if (!strcmp(name, "enable-log-linecount"))
62 repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
Lars Hjemli41934a32009-11-07 19:10:58 +010063 else if (!strcmp(name, "enable-remote-branches"))
64 repo->enable_remote_branches = atoi(value);
Lars Hjemlia1b39382009-08-23 23:23:20 +020065 else if (!strcmp(name, "max-stats"))
66 repo->max_stats = cgit_find_stats_period(value, NULL);
67 else if (!strcmp(name, "module-link"))
68 repo->module_link= xstrdup(value);
69 else if (!strcmp(name, "section"))
70 repo->section = xstrdup(value);
Lars Hjemlia1b39382009-08-23 23:23:20 +020071 else if (!strcmp(name, "readme") && value != NULL) {
72 if (*value == '/')
Sami Kyöstiläf2bf0a02009-12-08 18:18:10 +010073 repo->readme = xstrdup(value);
Lars Hjemlia1b39382009-08-23 23:23:20 +020074 else
Sami Kyöstiläf2bf0a02009-12-08 18:18:10 +010075 repo->readme = xstrdup(fmt("%s/%s", repo->path, value));
Lars Hjemli2273c2c2009-08-24 08:53:21 +020076 } else if (ctx.cfg.enable_filter_overrides) {
77 if (!strcmp(name, "about-filter"))
78 repo->about_filter = new_filter(value, 0);
79 else if (!strcmp(name, "commit-filter"))
80 repo->commit_filter = new_filter(value, 0);
81 else if (!strcmp(name, "source-filter"))
82 repo->source_filter = new_filter(value, 1);
Lars Hjemlia1b39382009-08-23 23:23:20 +020083 }
84}
85
Lars Hjemli163037e2008-03-24 17:26:08 +010086void config_cb(const char *name, const char *value)
87{
Lars Hjemlia1b39382009-08-23 23:23:20 +020088 if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
89 ctx.cfg.section = xstrdup(value);
90 else if (!strcmp(name, "repo.url"))
91 ctx.repo = cgit_add_repo(value);
92 else if (ctx.repo && !strcmp(name, "repo.path"))
93 ctx.repo->path = trim_end(value, '/');
94 else if (ctx.repo && !prefixcmp(name, "repo."))
95 repo_config(ctx.repo, name + 5, value);
96 else if (!strcmp(name, "root-title"))
Lars Hjemli163037e2008-03-24 17:26:08 +010097 ctx.cfg.root_title = xstrdup(value);
Lars Hjemli4c991602008-04-29 00:55:34 +020098 else if (!strcmp(name, "root-desc"))
99 ctx.cfg.root_desc = xstrdup(value);
Lars Hjemlic6431a72008-04-29 01:06:30 +0200100 else if (!strcmp(name, "root-readme"))
101 ctx.cfg.root_readme = xstrdup(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100102 else if (!strcmp(name, "css"))
103 ctx.cfg.css = xstrdup(value);
Lars Hjemli502865a2008-07-19 20:40:30 +0200104 else if (!strcmp(name, "favicon"))
105 ctx.cfg.favicon = xstrdup(value);
Lars Hjemlide5e9282008-06-26 13:53:30 +0200106 else if (!strcmp(name, "footer"))
107 ctx.cfg.footer = xstrdup(value);
Mark Lodatob5a3a202009-03-15 00:11:54 -0400108 else if (!strcmp(name, "head-include"))
109 ctx.cfg.head_include = xstrdup(value);
Lars Hjemlib1159552009-01-29 21:27:39 +0100110 else if (!strcmp(name, "header"))
111 ctx.cfg.header = xstrdup(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100112 else if (!strcmp(name, "logo"))
113 ctx.cfg.logo = xstrdup(value);
114 else if (!strcmp(name, "index-header"))
115 ctx.cfg.index_header = xstrdup(value);
116 else if (!strcmp(name, "index-info"))
117 ctx.cfg.index_info = xstrdup(value);
118 else if (!strcmp(name, "logo-link"))
119 ctx.cfg.logo_link = xstrdup(value);
120 else if (!strcmp(name, "module-link"))
121 ctx.cfg.module_link = xstrdup(value);
122 else if (!strcmp(name, "virtual-root")) {
123 ctx.cfg.virtual_root = trim_end(value, '/');
124 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
125 ctx.cfg.virtual_root = "";
126 } else if (!strcmp(name, "nocache"))
127 ctx.cfg.nocache = atoi(value);
Martin Szulecki2f56e392009-08-07 14:05:17 +0200128 else if (!strcmp(name, "noplainemail"))
129 ctx.cfg.noplainemail = atoi(value);
Lars Hjemlief0c6aa2009-07-25 12:19:31 +0200130 else if (!strcmp(name, "noheader"))
131 ctx.cfg.noheader = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100132 else if (!strcmp(name, "snapshots"))
133 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
Lars Hjemli2273c2c2009-08-24 08:53:21 +0200134 else if (!strcmp(name, "enable-filter-overrides"))
135 ctx.cfg.enable_filter_overrides = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100136 else if (!strcmp(name, "enable-index-links"))
137 ctx.cfg.enable_index_links = atoi(value);
138 else if (!strcmp(name, "enable-log-filecount"))
139 ctx.cfg.enable_log_filecount = atoi(value);
140 else if (!strcmp(name, "enable-log-linecount"))
141 ctx.cfg.enable_log_linecount = atoi(value);
Lars Hjemli41934a32009-11-07 19:10:58 +0100142 else if (!strcmp(name, "enable-remote-branches"))
143 ctx.cfg.enable_remote_branches = atoi(value);
Lars Hjemlib0f946b2009-08-21 14:26:52 +0200144 else if (!strcmp(name, "enable-tree-linenumbers"))
145 ctx.cfg.enable_tree_linenumbers = atoi(value);
Lars Hjemlifb2f3f62008-12-07 13:17:21 +0100146 else if (!strcmp(name, "max-stats"))
147 ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
Lars Hjemli939d32f2008-04-28 11:32:42 +0200148 else if (!strcmp(name, "cache-size"))
149 ctx.cfg.cache_size = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100150 else if (!strcmp(name, "cache-root"))
151 ctx.cfg.cache_root = xstrdup(value);
152 else if (!strcmp(name, "cache-root-ttl"))
153 ctx.cfg.cache_root_ttl = atoi(value);
154 else if (!strcmp(name, "cache-repo-ttl"))
155 ctx.cfg.cache_repo_ttl = atoi(value);
Lars Hjemlid7468272009-08-20 17:41:54 +0200156 else if (!strcmp(name, "cache-scanrc-ttl"))
157 ctx.cfg.cache_scanrc_ttl = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100158 else if (!strcmp(name, "cache-static-ttl"))
159 ctx.cfg.cache_static_ttl = atoi(value);
160 else if (!strcmp(name, "cache-dynamic-ttl"))
161 ctx.cfg.cache_dynamic_ttl = atoi(value);
Lars Hjemli537c05f2009-08-09 13:27:21 +0200162 else if (!strcmp(name, "about-filter"))
163 ctx.cfg.about_filter = new_filter(value, 0);
Lars Hjemlif35db1c2009-07-31 17:42:57 +0200164 else if (!strcmp(name, "commit-filter"))
165 ctx.cfg.commit_filter = new_filter(value, 0);
Lars Hjemli0cbb5082009-01-22 23:33:56 +0100166 else if (!strcmp(name, "embedded"))
167 ctx.cfg.embedded = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100168 else if (!strcmp(name, "max-message-length"))
169 ctx.cfg.max_msg_len = atoi(value);
170 else if (!strcmp(name, "max-repodesc-length"))
171 ctx.cfg.max_repodesc_len = atoi(value);
Georg Lukasef07ccc2009-11-28 03:44:33 +0100172 else if (!strcmp(name, "max-blob-size"))
173 ctx.cfg.max_blob_size = atoi(value);
Lars Hjemlic6078b82008-05-03 10:54:39 +0200174 else if (!strcmp(name, "max-repo-count"))
175 ctx.cfg.max_repo_count = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100176 else if (!strcmp(name, "max-commit-count"))
177 ctx.cfg.max_commit_count = atoi(value);
Lars Hjemli00466372009-08-23 19:35:56 +0200178 else if (!strcmp(name, "scan-path"))
179 if (!ctx.cfg.nocache && ctx.cfg.cache_size)
180 process_cached_repolist(value);
181 else
Lars Hjemli74061ed2009-08-24 00:04:58 +0200182 scan_tree(value, repo_config);
Lars Hjemli46b7abe2009-07-31 16:55:27 +0200183 else if (!strcmp(name, "source-filter"))
184 ctx.cfg.source_filter = new_filter(value, 1);
Lars Hjemli163037e2008-03-24 17:26:08 +0100185 else if (!strcmp(name, "summary-log"))
186 ctx.cfg.summary_log = atoi(value);
187 else if (!strcmp(name, "summary-branches"))
188 ctx.cfg.summary_branches = atoi(value);
189 else if (!strcmp(name, "summary-tags"))
190 ctx.cfg.summary_tags = atoi(value);
Ragnar Ouchterlonyc358aa32009-09-14 20:19:02 +0200191 else if (!strcmp(name, "side-by-side-diffs"))
192 ctx.cfg.ssdiff = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100193 else if (!strcmp(name, "agefile"))
194 ctx.cfg.agefile = xstrdup(value);
195 else if (!strcmp(name, "renamelimit"))
196 ctx.cfg.renamelimit = atoi(value);
197 else if (!strcmp(name, "robots"))
198 ctx.cfg.robots = xstrdup(value);
199 else if (!strcmp(name, "clone-prefix"))
200 ctx.cfg.clone_prefix = xstrdup(value);
Stefan Naewe0f0ab142008-08-01 14:54:38 +0200201 else if (!strcmp(name, "local-time"))
202 ctx.cfg.local_time = atoi(value);
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100203 else if (!prefixcmp(name, "mimetype."))
204 add_mimetype(name + 9, value);
Lars Hjemlia1b39382009-08-23 23:23:20 +0200205 else if (!strcmp(name, "include"))
Lars Hjemli20a33542008-03-28 00:09:11 +0100206 parse_configfile(value, config_cb);
Lars Hjemli163037e2008-03-24 17:26:08 +0100207}
208
209static void querystring_cb(const char *name, const char *value)
210{
Lars Hjemli435a1da2009-08-17 09:05:13 +0200211 if (!value)
212 value = "";
213
Lars Hjemli163037e2008-03-24 17:26:08 +0100214 if (!strcmp(name,"r")) {
215 ctx.qry.repo = xstrdup(value);
216 ctx.repo = cgit_get_repoinfo(value);
217 } else if (!strcmp(name, "p")) {
218 ctx.qry.page = xstrdup(value);
219 } else if (!strcmp(name, "url")) {
Stefan Bühler121898e2009-09-14 21:37:13 +0000220 if (*value == '/')
221 value++;
Lars Hjemlie154edd2008-08-09 21:11:41 +0200222 ctx.qry.url = xstrdup(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100223 cgit_parse_url(value);
224 } else if (!strcmp(name, "qt")) {
225 ctx.qry.grep = xstrdup(value);
226 } else if (!strcmp(name, "q")) {
227 ctx.qry.search = xstrdup(value);
228 } else if (!strcmp(name, "h")) {
229 ctx.qry.head = xstrdup(value);
230 ctx.qry.has_symref = 1;
231 } else if (!strcmp(name, "id")) {
232 ctx.qry.sha1 = xstrdup(value);
233 ctx.qry.has_sha1 = 1;
234 } else if (!strcmp(name, "id2")) {
235 ctx.qry.sha2 = xstrdup(value);
236 ctx.qry.has_sha1 = 1;
237 } else if (!strcmp(name, "ofs")) {
238 ctx.qry.ofs = atoi(value);
239 } else if (!strcmp(name, "path")) {
240 ctx.qry.path = trim_end(value, '/');
241 } else if (!strcmp(name, "name")) {
242 ctx.qry.name = xstrdup(value);
Michael Krelin42effc92008-06-24 23:42:32 +0200243 } else if (!strcmp(name, "mimetype")) {
244 ctx.qry.mimetype = xstrdup(value);
Benjamin Closed71c0c72008-11-25 06:25:35 -0800245 } else if (!strcmp(name, "s")){
246 ctx.qry.sort = xstrdup(value);
Lars Hjemli0274b572008-11-29 18:39:41 +0100247 } else if (!strcmp(name, "showmsg")) {
248 ctx.qry.showmsg = atoi(value);
Lars Hjemlif86a23f2008-12-06 17:38:19 +0100249 } else if (!strcmp(name, "period")) {
250 ctx.qry.period = xstrdup(value);
Ragnar Ouchterlonyc358aa32009-09-14 20:19:02 +0200251 } else if (!strcmp(name, "ss")) {
252 ctx.qry.ssdiff = atoi(value);
Lars Hjemli163037e2008-03-24 17:26:08 +0100253 }
254}
255
Lars Hjemli60a26272009-08-10 08:21:09 +0200256char *xstrdupn(const char *str)
257{
258 return (str ? xstrdup(str) : NULL);
259}
260
Lars Hjemli163037e2008-03-24 17:26:08 +0100261static void prepare_context(struct cgit_context *ctx)
262{
Daniel Milde9bd3a7b2010-02-21 14:38:59 +0100263 memset(ctx, 0, sizeof(*ctx));
Lars Hjemli163037e2008-03-24 17:26:08 +0100264 ctx->cfg.agefile = "info/web/last-modified";
Lars Hjemli939d32f2008-04-28 11:32:42 +0200265 ctx->cfg.nocache = 0;
266 ctx->cfg.cache_size = 0;
Lars Hjemli163037e2008-03-24 17:26:08 +0100267 ctx->cfg.cache_dynamic_ttl = 5;
268 ctx->cfg.cache_max_create_time = 5;
269 ctx->cfg.cache_repo_ttl = 5;
270 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
271 ctx->cfg.cache_root_ttl = 5;
Lars Hjemlid7468272009-08-20 17:41:54 +0200272 ctx->cfg.cache_scanrc_ttl = 15;
Lars Hjemli163037e2008-03-24 17:26:08 +0100273 ctx->cfg.cache_static_ttl = -1;
274 ctx->cfg.css = "/cgit.css";
Lars Hjemli92f9b532009-08-10 18:14:12 +0200275 ctx->cfg.logo = "/cgit.png";
Stefan Naewe0f0ab142008-08-01 14:54:38 +0200276 ctx->cfg.local_time = 0;
Lars Hjemlib0f946b2009-08-21 14:26:52 +0200277 ctx->cfg.enable_tree_linenumbers = 1;
Lars Hjemlic6078b82008-05-03 10:54:39 +0200278 ctx->cfg.max_repo_count = 50;
Lars Hjemli163037e2008-03-24 17:26:08 +0100279 ctx->cfg.max_commit_count = 50;
280 ctx->cfg.max_lock_attempts = 5;
Lars Hjemli952f4ec2008-07-27 12:58:37 +0200281 ctx->cfg.max_msg_len = 80;
282 ctx->cfg.max_repodesc_len = 80;
Georg Lukasef07ccc2009-11-28 03:44:33 +0100283 ctx->cfg.max_blob_size = 0;
Lars Hjemlifb2f3f62008-12-07 13:17:21 +0100284 ctx->cfg.max_stats = 0;
Lars Hjemli163037e2008-03-24 17:26:08 +0100285 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
286 ctx->cfg.renamelimit = -1;
287 ctx->cfg.robots = "index, nofollow";
288 ctx->cfg.root_title = "Git repository browser";
Lars Hjemli4c991602008-04-29 00:55:34 +0200289 ctx->cfg.root_desc = "a fast webinterface for the git dscm";
Lars Hjemli163037e2008-03-24 17:26:08 +0100290 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
Lars Hjemlie01229c2009-08-24 07:42:03 +0200291 ctx->cfg.section = "";
Lars Hjemli952f4ec2008-07-27 12:58:37 +0200292 ctx->cfg.summary_branches = 10;
293 ctx->cfg.summary_log = 10;
294 ctx->cfg.summary_tags = 10;
Ragnar Ouchterlonyc358aa32009-09-14 20:19:02 +0200295 ctx->cfg.ssdiff = 0;
Lars Hjemli60a26272009-08-10 08:21:09 +0200296 ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
297 ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
298 ctx->env.https = xstrdupn(getenv("HTTPS"));
Lars Hjemli8b2252b2009-08-10 09:20:17 +0200299 ctx->env.no_http = xstrdupn(getenv("NO_HTTP"));
Lars Hjemli60a26272009-08-10 08:21:09 +0200300 ctx->env.path_info = xstrdupn(getenv("PATH_INFO"));
301 ctx->env.query_string = xstrdupn(getenv("QUERY_STRING"));
302 ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD"));
303 ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME"));
304 ctx->env.server_name = xstrdupn(getenv("SERVER_NAME"));
305 ctx->env.server_port = xstrdupn(getenv("SERVER_PORT"));
Lars Hjemli163037e2008-03-24 17:26:08 +0100306 ctx->page.mimetype = "text/html";
307 ctx->page.charset = PAGE_ENCODING;
308 ctx->page.filename = NULL;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200309 ctx->page.size = 0;
Lars Hjemli939d32f2008-04-28 11:32:42 +0200310 ctx->page.modified = time(NULL);
311 ctx->page.expires = ctx->page.modified;
Lars Hjemli488a2142009-02-19 22:38:36 +0100312 ctx->page.etag = NULL;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100313 memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
Lars Hjemli60a26272009-08-10 08:21:09 +0200314 if (ctx->env.script_name)
315 ctx->cfg.script_name = ctx->env.script_name;
316 if (ctx->env.query_string)
317 ctx->qry.raw = ctx->env.query_string;
318 if (!ctx->env.cgit_config)
319 ctx->env.cgit_config = CGIT_CONFIG;
Lars Hjemli83a5f352007-01-12 00:00:15 +0100320}
321
Lars Hjemlif80ff372008-01-04 13:43:40 +0100322struct refmatch {
323 char *req_ref;
324 char *first_ref;
325 int match;
326};
327
328int find_current_ref(const char *refname, const unsigned char *sha1,
329 int flags, void *cb_data)
330{
331 struct refmatch *info;
332
333 info = (struct refmatch *)cb_data;
334 if (!strcmp(refname, info->req_ref))
335 info->match = 1;
336 if (!info->first_ref)
337 info->first_ref = xstrdup(refname);
338 return info->match;
339}
340
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +0100341char *find_default_branch(struct cgit_repo *repo)
Lars Hjemlif80ff372008-01-04 13:43:40 +0100342{
343 struct refmatch info;
Lars Hjemli25c84322008-07-27 12:32:08 +0200344 char *ref;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100345
346 info.req_ref = repo->defbranch;
347 info.first_ref = NULL;
348 info.match = 0;
349 for_each_branch_ref(find_current_ref, &info);
350 if (info.match)
Lars Hjemli25c84322008-07-27 12:32:08 +0200351 ref = info.req_ref;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100352 else
Lars Hjemli25c84322008-07-27 12:32:08 +0200353 ref = info.first_ref;
354 if (ref)
355 ref = xstrdup(ref);
356 return ref;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100357}
358
Lars Hjemlie0e44782008-03-24 01:09:39 +0100359static int prepare_repo_cmd(struct cgit_context *ctx)
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100360{
Lars Hjemlif3c1a182008-03-24 00:51:19 +0100361 char *tmp;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100362 unsigned char sha1[20];
Lars Hjemlib88fb012008-02-16 21:16:53 +0100363 int nongit = 0;
Lars Hjemlib28b1052007-05-16 00:14:51 +0200364
Lars Hjemlie0e44782008-03-24 01:09:39 +0100365 setenv("GIT_DIR", ctx->repo->path, 1);
Lars Hjemlib88fb012008-02-16 21:16:53 +0100366 setup_git_directory_gently(&nongit);
367 if (nongit) {
Lars Hjemlie0e44782008-03-24 01:09:39 +0100368 ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
369 "config error");
370 tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
371 ctx->repo = NULL;
372 cgit_print_http_headers(ctx);
373 cgit_print_docstart(ctx);
374 cgit_print_pageheader(ctx);
Lars Hjemlib88fb012008-02-16 21:16:53 +0100375 cgit_print_error(tmp);
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100376 cgit_print_docend();
Lars Hjemlie0e44782008-03-24 01:09:39 +0100377 return 1;
378 }
379 ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
380
381 if (!ctx->qry.head) {
Lars Hjemli5632ba32008-10-11 19:05:50 +0200382 ctx->qry.nohead = 1;
Lars Hjemli25c84322008-07-27 12:32:08 +0200383 ctx->qry.head = find_default_branch(ctx->repo);
Lars Hjemlie0e44782008-03-24 01:09:39 +0100384 ctx->repo->defbranch = ctx->qry.head;
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100385 }
Lars Hjemlice1c7332007-02-03 15:02:55 +0100386
Lars Hjemlie0e44782008-03-24 01:09:39 +0100387 if (!ctx->qry.head) {
388 cgit_print_http_headers(ctx);
389 cgit_print_docstart(ctx);
390 cgit_print_pageheader(ctx);
Lars Hjemlif80ff372008-01-04 13:43:40 +0100391 cgit_print_error("Repository seems to be empty");
392 cgit_print_docend();
Lars Hjemlie0e44782008-03-24 01:09:39 +0100393 return 1;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100394 }
395
Lars Hjemlie0e44782008-03-24 01:09:39 +0100396 if (get_sha1(ctx->qry.head, sha1)) {
397 tmp = xstrdup(ctx->qry.head);
398 ctx->qry.head = ctx->repo->defbranch;
Lars Hjemlie429fb02009-06-07 20:43:08 +0200399 ctx->page.status = 404;
400 ctx->page.statusmsg = "not found";
Lars Hjemlie0e44782008-03-24 01:09:39 +0100401 cgit_print_http_headers(ctx);
402 cgit_print_docstart(ctx);
403 cgit_print_pageheader(ctx);
Lars Hjemlif80ff372008-01-04 13:43:40 +0100404 cgit_print_error(fmt("Invalid branch: %s", tmp));
405 cgit_print_docend();
Lars Hjemlie0e44782008-03-24 01:09:39 +0100406 return 1;
Lars Hjemlif80ff372008-01-04 13:43:40 +0100407 }
Lars Hjemlie0e44782008-03-24 01:09:39 +0100408 return 0;
409}
Lars Hjemlif80ff372008-01-04 13:43:40 +0100410
Lars Hjemli939d32f2008-04-28 11:32:42 +0200411static void process_request(void *cbdata)
Lars Hjemlie0e44782008-03-24 01:09:39 +0100412{
Lars Hjemli939d32f2008-04-28 11:32:42 +0200413 struct cgit_context *ctx = cbdata;
Lars Hjemlie0e44782008-03-24 01:09:39 +0100414 struct cgit_cmd *cmd;
Lars Hjemliab2ab952007-02-08 13:53:13 +0100415
Lars Hjemlie0e44782008-03-24 01:09:39 +0100416 cmd = cgit_get_cmd(ctx);
417 if (!cmd) {
418 ctx->page.title = "cgit error";
Lars Hjemlie0e44782008-03-24 01:09:39 +0100419 cgit_print_http_headers(ctx);
420 cgit_print_docstart(ctx);
421 cgit_print_pageheader(ctx);
422 cgit_print_error("Invalid request");
Lars Hjemli66cacd02007-02-17 13:46:18 +0100423 cgit_print_docend();
424 return;
425 }
426
Johan Herland0ff143d2010-06-10 01:09:26 +0200427 /* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual"
428 * in-project path limit to be made available at ctx->qry.vpath.
429 * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL).
430 */
431 ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL;
432
Lars Hjemli651ef792008-04-29 01:01:30 +0200433 if (cmd->want_repo && !ctx->repo) {
434 cgit_print_http_headers(ctx);
435 cgit_print_docstart(ctx);
436 cgit_print_pageheader(ctx);
437 cgit_print_error(fmt("No repository selected"));
438 cgit_print_docend();
439 return;
440 }
441
442 if (ctx->repo && prepare_repo_cmd(ctx))
Lars Hjemlie0e44782008-03-24 01:09:39 +0100443 return;
Lars Hjemli66cacd02007-02-17 13:46:18 +0100444
Lars Hjemlie0e44782008-03-24 01:09:39 +0100445 if (cmd->want_layout) {
446 cgit_print_http_headers(ctx);
447 cgit_print_docstart(ctx);
448 cgit_print_pageheader(ctx);
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100449 }
Lars Hjemlie0e44782008-03-24 01:09:39 +0100450
451 cmd->fn(ctx);
452
453 if (cmd->want_layout)
454 cgit_print_docend();
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100455}
456
Lars Hjemli93397a72008-09-15 00:07:12 +0200457int cmp_repos(const void *a, const void *b)
458{
459 const struct cgit_repo *ra = a, *rb = b;
460 return strcmp(ra->url, rb->url);
461}
462
Lars Hjemli5ca8df02009-08-24 10:55:01 +0200463char *build_snapshot_setting(int bitmap)
Lars Hjemli93397a72008-09-15 00:07:12 +0200464{
Lars Hjemli5ca8df02009-08-24 10:55:01 +0200465 const struct cgit_snapshot_format *f;
466 char *result = xstrdup("");
467 char *tmp;
468 int len;
469
470 for (f = cgit_snapshot_formats; f->suffix; f++) {
471 if (f->bit & bitmap) {
472 tmp = result;
473 result = xstrdup(fmt("%s%s ", tmp, f->suffix));
474 free(tmp);
475 }
476 }
477 len = strlen(result);
478 if (len)
479 result[len - 1] = '\0';
480 return result;
Lars Hjemli93397a72008-09-15 00:07:12 +0200481}
482
Lars Hjemli588fb8e2009-08-24 13:27:15 +0200483char *get_first_line(char *txt)
484{
485 char *t = xstrdup(txt);
486 char *p = strchr(t, '\n');
487 if (p)
488 *p = '\0';
489 return t;
490}
491
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200492void print_repo(FILE *f, struct cgit_repo *repo)
Lars Hjemli93397a72008-09-15 00:07:12 +0200493{
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200494 fprintf(f, "repo.url=%s\n", repo->url);
495 fprintf(f, "repo.name=%s\n", repo->name);
496 fprintf(f, "repo.path=%s\n", repo->path);
Lars Hjemli93397a72008-09-15 00:07:12 +0200497 if (repo->owner)
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200498 fprintf(f, "repo.owner=%s\n", repo->owner);
Lars Hjemli588fb8e2009-08-24 13:27:15 +0200499 if (repo->desc) {
500 char *tmp = get_first_line(repo->desc);
501 fprintf(f, "repo.desc=%s\n", tmp);
502 free(tmp);
503 }
Lars Hjemli93397a72008-09-15 00:07:12 +0200504 if (repo->readme)
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200505 fprintf(f, "repo.readme=%s\n", repo->readme);
Lars Hjemli35483202009-08-24 10:22:21 +0200506 if (repo->defbranch)
507 fprintf(f, "repo.defbranch=%s\n", repo->defbranch);
508 if (repo->module_link)
509 fprintf(f, "repo.module-link=%s\n", repo->module_link);
510 if (repo->section)
511 fprintf(f, "repo.section=%s\n", repo->section);
512 if (repo->clone_url)
513 fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
514 fprintf(f, "repo.enable-log-filecount=%d\n",
515 repo->enable_log_filecount);
516 fprintf(f, "repo.enable-log-linecount=%d\n",
517 repo->enable_log_linecount);
518 if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter)
519 fprintf(f, "repo.about-filter=%s\n", repo->about_filter->cmd);
520 if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter)
521 fprintf(f, "repo.commit-filter=%s\n", repo->commit_filter->cmd);
522 if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter)
523 fprintf(f, "repo.source-filter=%s\n", repo->source_filter->cmd);
Lars Hjemli5ca8df02009-08-24 10:55:01 +0200524 if (repo->snapshots != ctx.cfg.snapshots) {
525 char *tmp = build_snapshot_setting(repo->snapshots);
526 fprintf(f, "repo.snapshots=%s\n", tmp);
527 free(tmp);
528 }
Lars Hjemlib47b7bd2009-08-24 11:02:48 +0200529 if (repo->max_stats != ctx.cfg.max_stats)
530 fprintf(f, "repo.max-stats=%s\n",
531 cgit_find_stats_periodname(repo->max_stats));
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200532 fprintf(f, "\n");
Lars Hjemli93397a72008-09-15 00:07:12 +0200533}
534
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200535void print_repolist(FILE *f, struct cgit_repolist *list, int start)
Lars Hjemli93397a72008-09-15 00:07:12 +0200536{
537 int i;
538
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200539 for(i = start; i < list->count; i++)
540 print_repo(f, &list->repos[i]);
Lars Hjemli93397a72008-09-15 00:07:12 +0200541}
542
Lars Hjemlid7468272009-08-20 17:41:54 +0200543/* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc'
544 * and return 0 on success.
545 */
546static int generate_cached_repolist(const char *path, const char *cached_rc)
547{
548 char *locked_rc;
549 int idx;
550 FILE *f;
551
552 locked_rc = xstrdup(fmt("%s.lock", cached_rc));
553 f = fopen(locked_rc, "wx");
554 if (!f) {
555 /* Inform about the error unless the lockfile already existed,
556 * since that only means we've got concurrent requests.
557 */
558 if (errno != EEXIST)
559 fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n",
560 locked_rc, strerror(errno), errno);
561 return errno;
562 }
563 idx = cgit_repolist.count;
Lars Hjemli74061ed2009-08-24 00:04:58 +0200564 scan_tree(path, repo_config);
Lars Hjemlid7468272009-08-20 17:41:54 +0200565 print_repolist(f, &cgit_repolist, idx);
566 if (rename(locked_rc, cached_rc))
567 fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
568 locked_rc, cached_rc, strerror(errno), errno);
569 fclose(f);
570 return 0;
571}
572
573static void process_cached_repolist(const char *path)
574{
575 struct stat st;
576 char *cached_rc;
577 time_t age;
578
579 cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root,
580 hash_str(path)));
581
582 if (stat(cached_rc, &st)) {
583 /* Nothing is cached, we need to scan without forking. And
584 * if we fail to generate a cached repolist, we need to
585 * invoke scan_tree manually.
586 */
587 if (generate_cached_repolist(path, cached_rc))
Lars Hjemli74061ed2009-08-24 00:04:58 +0200588 scan_tree(path, repo_config);
Lars Hjemlid7468272009-08-20 17:41:54 +0200589 return;
590 }
591
592 parse_configfile(cached_rc, config_cb);
593
594 /* If the cached configfile hasn't expired, lets exit now */
595 age = time(NULL) - st.st_mtime;
596 if (age <= (ctx.cfg.cache_scanrc_ttl * 60))
597 return;
598
599 /* The cached repolist has been parsed, but it was old. So lets
600 * rescan the specified path and generate a new cached repolist
601 * in a child-process to avoid latency for the current request.
602 */
603 if (fork())
604 return;
605
606 exit(generate_cached_repolist(path, cached_rc));
607}
Lars Hjemli93397a72008-09-15 00:07:12 +0200608
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100609static void cgit_parse_args(int argc, const char **argv)
610{
611 int i;
Lars Hjemli93397a72008-09-15 00:07:12 +0200612 int scan = 0;
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100613
614 for (i = 1; i < argc; i++) {
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100615 if (!strncmp(argv[i], "--cache=", 8)) {
Lars Hjemlib228d4f2008-02-16 13:07:13 +0100616 ctx.cfg.cache_root = xstrdup(argv[i]+8);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100617 }
618 if (!strcmp(argv[i], "--nocache")) {
Lars Hjemlib228d4f2008-02-16 13:07:13 +0100619 ctx.cfg.nocache = 1;
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100620 }
Lars Hjemli8b2252b2009-08-10 09:20:17 +0200621 if (!strcmp(argv[i], "--nohttp")) {
622 ctx.env.no_http = "1";
623 }
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100624 if (!strncmp(argv[i], "--query=", 8)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100625 ctx.qry.raw = xstrdup(argv[i]+8);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100626 }
627 if (!strncmp(argv[i], "--repo=", 7)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100628 ctx.qry.repo = xstrdup(argv[i]+7);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100629 }
630 if (!strncmp(argv[i], "--page=", 7)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100631 ctx.qry.page = xstrdup(argv[i]+7);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100632 }
633 if (!strncmp(argv[i], "--head=", 7)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100634 ctx.qry.head = xstrdup(argv[i]+7);
635 ctx.qry.has_symref = 1;
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100636 }
637 if (!strncmp(argv[i], "--sha1=", 7)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100638 ctx.qry.sha1 = xstrdup(argv[i]+7);
639 ctx.qry.has_sha1 = 1;
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100640 }
641 if (!strncmp(argv[i], "--ofs=", 6)) {
Lars Hjemlid14d77f2008-02-16 11:53:40 +0100642 ctx.qry.ofs = atoi(argv[i]+6);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100643 }
Lars Hjemli50d5af32009-08-23 19:36:45 +0200644 if (!strncmp(argv[i], "--scan-tree=", 12) ||
645 !strncmp(argv[i], "--scan-path=", 12)) {
Lars Hjemliee554842009-08-24 13:31:49 +0200646 /* HACK: the global snapshot bitmask defines the
647 * set of allowed snapshot formats, but the config
648 * file hasn't been parsed yet so the mask is
649 * currently 0. By setting all bits high before
650 * scanning we make sure that any in-repo cgitrc
651 * snapshot setting is respected by scan_tree().
652 * BTW: we assume that there'll never be more than
653 * 255 different snapshot formats supported by cgit...
654 */
655 ctx.cfg.snapshots = 0xFF;
Lars Hjemli93397a72008-09-15 00:07:12 +0200656 scan++;
Lars Hjemli74061ed2009-08-24 00:04:58 +0200657 scan_tree(argv[i] + 12, repo_config);
Lars Hjemli93397a72008-09-15 00:07:12 +0200658 }
659 }
660 if (scan) {
661 qsort(cgit_repolist.repos, cgit_repolist.count,
662 sizeof(struct cgit_repo), cmp_repos);
Lars Hjemli302a3ef2009-08-19 17:47:24 +0200663 print_repolist(stdout, &cgit_repolist, 0);
Lars Hjemli93397a72008-09-15 00:07:12 +0200664 exit(0);
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100665 }
666}
667
Lars Hjemli939d32f2008-04-28 11:32:42 +0200668static int calc_ttl()
669{
670 if (!ctx.repo)
671 return ctx.cfg.cache_root_ttl;
672
673 if (!ctx.qry.page)
674 return ctx.cfg.cache_repo_ttl;
675
676 if (ctx.qry.has_symref)
677 return ctx.cfg.cache_dynamic_ttl;
678
679 if (ctx.qry.has_sha1)
680 return ctx.cfg.cache_static_ttl;
681
682 return ctx.cfg.cache_repo_ttl;
683}
684
Lars Hjemli25105d72006-12-10 22:31:36 +0100685int main(int argc, const char **argv)
686{
Lars Hjemlie154edd2008-08-09 21:11:41 +0200687 const char *path;
688 char *qry;
Lars Hjemli939d32f2008-04-28 11:32:42 +0200689 int err, ttl;
Lars Hjemli44923f82006-12-11 17:25:41 +0100690
Lars Hjemli163037e2008-03-24 17:26:08 +0100691 prepare_context(&ctx);
Lars Hjemlice1c7332007-02-03 15:02:55 +0100692 cgit_repolist.length = 0;
693 cgit_repolist.count = 0;
694 cgit_repolist.repos = NULL;
695
Lars Hjemli521dc7a2006-12-16 13:33:32 +0100696 cgit_parse_args(argc, argv);
Lars Hjemli60a26272009-08-10 08:21:09 +0200697 parse_configfile(ctx.env.cgit_config, config_cb);
Lars Hjemli93397a72008-09-15 00:07:12 +0200698 ctx.repo = NULL;
Lars Hjemlie87e8962008-04-08 21:11:36 +0200699 http_parse_querystring(ctx.qry.raw, querystring_cb);
Lars Hjemli939d32f2008-04-28 11:32:42 +0200700
Lars Hjemli377a1c82008-12-26 10:33:01 +0100701 /* If virtual-root isn't specified in cgitrc, lets pretend
702 * that virtual-root equals SCRIPT_NAME.
Lars Hjemlie154edd2008-08-09 21:11:41 +0200703 */
Lars Hjemli377a1c82008-12-26 10:33:01 +0100704 if (!ctx.cfg.virtual_root)
Lars Hjemlie154edd2008-08-09 21:11:41 +0200705 ctx.cfg.virtual_root = ctx.cfg.script_name;
Lars Hjemli377a1c82008-12-26 10:33:01 +0100706
707 /* If no url parameter is specified on the querystring, lets
708 * use PATH_INFO as url. This allows cgit to work with virtual
709 * urls without the need for rewriterules in the webserver (as
710 * long as PATH_INFO is included in the cache lookup key).
711 */
Lars Hjemli60a26272009-08-10 08:21:09 +0200712 path = ctx.env.path_info;
Lars Hjemli377a1c82008-12-26 10:33:01 +0100713 if (!ctx.qry.url && path) {
714 if (path[0] == '/')
715 path++;
716 ctx.qry.url = xstrdup(path);
717 if (ctx.qry.raw) {
718 qry = ctx.qry.raw;
719 ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
720 free(qry);
721 } else
Lars Hjemli0374a762009-08-20 10:07:51 +0200722 ctx.qry.raw = xstrdup(ctx.qry.url);
Lars Hjemli377a1c82008-12-26 10:33:01 +0100723 cgit_parse_url(ctx.qry.url);
Lars Hjemlie154edd2008-08-09 21:11:41 +0200724 }
725
Lars Hjemli939d32f2008-04-28 11:32:42 +0200726 ttl = calc_ttl();
727 ctx.page.expires += ttl*60;
Lars Hjemli60a26272009-08-10 08:21:09 +0200728 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
Lars Hjemli3ff58dd2009-02-19 23:24:15 +0100729 ctx.cfg.nocache = 1;
Lars Hjemli939d32f2008-04-28 11:32:42 +0200730 if (ctx.cfg.nocache)
731 ctx.cfg.cache_size = 0;
732 err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
733 ctx.qry.raw, ttl, process_request, &ctx);
734 if (err)
Lars Hjemliaf2e7562008-05-18 23:59:11 +0200735 cgit_print_error(fmt("Error processing page: %s (%d)",
736 strerror(err), err));
Lars Hjemli939d32f2008-04-28 11:32:42 +0200737 return err;
Lars Hjemli0d169ad2006-12-09 15:18:17 +0100738}