blob: 609bd2a30670e5eab7974593fd98c6d9e95c24bc [file] [log] [blame]
Lars Hjemlia1a79992006-12-16 01:14:01 +01001/* shared.c: global vars + some callback functions
2 *
Lukas Fleischerf7f26f82014-01-08 15:10:49 +01003 * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
Lars Hjemlia1a79992006-12-16 01:14:01 +01004 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
Lars Hjemli44923f82006-12-11 17:25:41 +01009#include "cgit.h"
10
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +010011struct cgit_repolist cgit_repolist;
Lars Hjemlid14d77f2008-02-16 11:53:40 +010012struct cgit_context ctx;
Lars Hjemlice1c7332007-02-03 15:02:55 +010013
Lars Hjemliab2ab952007-02-08 13:53:13 +010014int chk_zero(int result, char *msg)
15{
16 if (result != 0)
John Keeping1e9f1ee2013-05-18 16:21:36 +010017 die_errno("%s", msg);
Lars Hjemliab2ab952007-02-08 13:53:13 +010018 return result;
19}
20
21int chk_positive(int result, char *msg)
22{
23 if (result <= 0)
John Keeping1e9f1ee2013-05-18 16:21:36 +010024 die_errno("%s", msg);
Lars Hjemliab2ab952007-02-08 13:53:13 +010025 return result;
26}
27
Michael Krelin127f43d2007-07-20 20:56:43 +020028int chk_non_negative(int result, char *msg)
29{
Lukas Fleischer53bc7472013-03-03 16:04:29 +010030 if (result < 0)
John Keeping1e9f1ee2013-05-18 16:21:36 +010031 die_errno("%s", msg);
Michael Krelin127f43d2007-07-20 20:56:43 +020032 return result;
33}
34
Jason A. Donenfeld521e10c2012-10-09 06:56:14 -040035char *cgit_default_repo_desc = "[no description]";
Lars Hjemli163037e2008-03-24 17:26:08 +010036struct cgit_repo *cgit_add_repo(const char *url)
Lars Hjemlice1c7332007-02-03 15:02:55 +010037{
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +010038 struct cgit_repo *ret;
Lars Hjemlice1c7332007-02-03 15:02:55 +010039
40 if (++cgit_repolist.count > cgit_repolist.length) {
41 if (cgit_repolist.length == 0)
42 cgit_repolist.length = 8;
43 else
44 cgit_repolist.length *= 2;
Lars Hjemli1b49de32007-05-13 11:24:23 +020045 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
46 cgit_repolist.length *
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +010047 sizeof(struct cgit_repo));
Lars Hjemlice1c7332007-02-03 15:02:55 +010048 }
49
50 ret = &cgit_repolist.repos[cgit_repolist.count-1];
Lars Hjemli42e7a162009-08-24 10:14:02 +020051 memset(ret, 0, sizeof(struct cgit_repo));
Lars Hjemli4e40d852007-09-20 00:56:53 +020052 ret->url = trim_end(url, '/');
Lars Hjemlice1c7332007-02-03 15:02:55 +010053 ret->name = ret->url;
54 ret->path = NULL;
Jason A. Donenfeld521e10c2012-10-09 06:56:14 -040055 ret->desc = cgit_default_repo_desc;
Jason A. Donenfeldb522a302018-02-12 23:10:06 +010056 ret->extra_head_content = NULL;
Lars Hjemlice1c7332007-02-03 15:02:55 +010057 ret->owner = NULL;
Jason A. Donenfeld5f2664f2016-02-22 16:04:15 +010058 ret->homepage = NULL;
Lars Hjemlie7af0022009-08-23 22:58:39 +020059 ret->section = ctx.cfg.section;
Lars Hjemlib228d4f2008-02-16 13:07:13 +010060 ret->snapshots = ctx.cfg.snapshots;
Johan Herland9a8d39c2010-11-15 18:39:50 +010061 ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
Lars Hjemlib228d4f2008-02-16 13:07:13 +010062 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
63 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
Lars Hjemli41934a32009-11-07 19:10:58 +010064 ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
Lars Hjemli581a0c22010-02-27 13:12:55 +010065 ret->enable_subject_links = ctx.cfg.enable_subject_links;
Jason A. Donenfeldc326f3e2016-01-14 14:53:28 +010066 ret->enable_html_serving = ctx.cfg.enable_html_serving;
Lars Hjemlifb2f3f62008-12-07 13:17:21 +010067 ret->max_stats = ctx.cfg.max_stats;
Jason A. Donenfeld389cc172013-04-08 16:57:12 +020068 ret->branch_sort = ctx.cfg.branch_sort;
Tobias Bieniek792f8132012-10-13 16:10:30 +020069 ret->commit_sort = ctx.cfg.commit_sort;
Lars Hjemlib228d4f2008-02-16 13:07:13 +010070 ret->module_link = ctx.cfg.module_link;
Lars Hjemli515edb02010-08-21 15:08:01 +020071 ret->readme = ctx.cfg.readme;
Lars Hjemli88131702008-11-29 16:46:37 +010072 ret->mtime = -1;
Lars Hjemli537c05f2009-08-09 13:27:21 +020073 ret->about_filter = ctx.cfg.about_filter;
Lars Hjemlie976df22009-08-09 13:22:00 +020074 ret->commit_filter = ctx.cfg.commit_filter;
75 ret->source_filter = ctx.cfg.source_filter;
Jason A. Donenfelda5e15532014-01-13 04:04:52 +010076 ret->email_filter = ctx.cfg.email_filter;
Chris Burroughs96ceb9a2014-08-04 09:23:08 -040077 ret->owner_filter = ctx.cfg.owner_filter;
Lars Hjemlia1429db2011-06-06 20:49:13 +000078 ret->clone_url = ctx.cfg.clone_url;
Lars Hjemli6857bec2011-06-15 10:04:13 +020079 ret->submodules.strdup_strings = 1;
Lukas Fleischerc58cec92015-01-29 12:52:49 +010080 ret->hide = ret->ignore = 0;
Lars Hjemlice1c7332007-02-03 15:02:55 +010081 return ret;
82}
83
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +010084struct cgit_repo *cgit_get_repoinfo(const char *url)
Lars Hjemli305414d2007-05-18 00:47:47 +020085{
86 int i;
Lars Hjemlid1f3bbe2008-02-16 13:56:09 +010087 struct cgit_repo *repo;
Lars Hjemli305414d2007-05-18 00:47:47 +020088
Lukas Fleischer53bc7472013-03-03 16:04:29 +010089 for (i = 0; i < cgit_repolist.count; i++) {
Lars Hjemli305414d2007-05-18 00:47:47 +020090 repo = &cgit_repolist.repos[i];
Lukas Fleischerc58cec92015-01-29 12:52:49 +010091 if (repo->ignore)
92 continue;
Lars Hjemli305414d2007-05-18 00:47:47 +020093 if (!strcmp(repo->url, url))
94 return repo;
95 }
96 return NULL;
97}
98
John Keepingd9dff372016-08-13 11:51:58 +010099void cgit_free_commitinfo(struct commitinfo *info)
Lars Hjemliaaa24bd2006-12-16 14:58:20 +0100100{
101 free(info->author);
102 free(info->author_email);
103 free(info->committer);
104 free(info->committer_email);
105 free(info->subject);
Jonathan Bastien-Filiatrault3845e172007-10-26 18:09:06 -0400106 free(info->msg);
107 free(info->msg_encoding);
Lars Hjemliaaa24bd2006-12-16 14:58:20 +0100108 free(info);
Lars Hjemliaaa24bd2006-12-16 14:58:20 +0100109}
Lars Hjemli52e605c2007-01-04 16:53:03 +0100110
Lars Hjemli382805e2007-06-26 18:04:31 +0200111char *trim_end(const char *str, char c)
112{
113 int len;
Lars Hjemli382805e2007-06-26 18:04:31 +0200114
115 if (str == NULL)
116 return NULL;
Lars Hjemlidc1a8ea2011-05-22 12:45:32 +0200117 len = strlen(str);
Jason A. Donenfeldbdae1d82013-03-03 23:21:33 -0500118 while (len > 0 && str[len - 1] == c)
Lars Hjemli382805e2007-06-26 18:04:31 +0200119 len--;
Lars Hjemli382805e2007-06-26 18:04:31 +0200120 if (len == 0)
121 return NULL;
Lars Hjemlidc1a8ea2011-05-22 12:45:32 +0200122 return xstrndup(str, len);
Lars Hjemli382805e2007-06-26 18:04:31 +0200123}
124
John Keepingb1f17f12013-04-01 19:03:34 +0100125char *ensure_end(const char *str, char c)
126{
127 size_t len = strlen(str);
128 char *result;
129
130 if (len && str[len - 1] == c)
131 return xstrndup(str, len);
132
133 result = xmalloc(len + 2);
134 memcpy(result, str, len);
135 result[len] = '/';
136 result[len + 1] = '\0';
137 return result;
138}
139
John Keepingd2e20e32013-04-07 14:03:47 +0100140void strbuf_ensure_end(struct strbuf *sb, char c)
141{
142 if (!sb->len || sb->buf[sb->len - 1] != c)
143 strbuf_addch(sb, c);
144}
145
Lars Hjemlie397ff72007-10-25 09:30:06 +0200146void cgit_add_ref(struct reflist *list, struct refinfo *ref)
147{
148 size_t size;
149
150 if (list->count >= list->alloc) {
151 list->alloc += (list->alloc ? list->alloc : 4);
152 size = list->alloc * sizeof(struct refinfo *);
153 list->refs = xrealloc(list->refs, size);
154 }
155 list->refs[list->count++] = ref;
156}
157
Christian Hessede83de22015-07-28 10:42:01 +0200158static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid)
Lars Hjemlie397ff72007-10-25 09:30:06 +0200159{
160 struct refinfo *ref;
161
162 ref = xmalloc(sizeof (struct refinfo));
163 ref->refname = xstrdup(refname);
Jeff Smith86a6d352017-08-09 19:02:56 -0500164 ref->object = parse_object(oid);
Lars Hjemlie397ff72007-10-25 09:30:06 +0200165 switch (ref->object->type) {
166 case OBJ_TAG:
167 ref->tag = cgit_parse_tag((struct tag *)ref->object);
168 break;
169 case OBJ_COMMIT:
170 ref->commit = cgit_parse_commit((struct commit *)ref->object);
171 break;
172 }
173 return ref;
174}
175
John Keepingb19d8892016-08-13 11:52:51 +0100176void cgit_free_taginfo(struct taginfo *tag)
Lukas Fleischer1268afe2013-03-04 13:25:33 +0100177{
178 if (tag->tagger)
179 free(tag->tagger);
180 if (tag->tagger_email)
181 free(tag->tagger_email);
182 if (tag->msg)
183 free(tag->msg);
184 free(tag);
185}
186
187static void cgit_free_refinfo(struct refinfo *ref)
188{
189 if (ref->refname)
190 free((char *)ref->refname);
191 switch (ref->object->type) {
192 case OBJ_TAG:
193 cgit_free_taginfo(ref->tag);
194 break;
195 case OBJ_COMMIT:
196 cgit_free_commitinfo(ref->commit);
197 break;
198 }
199 free(ref);
200}
201
202void cgit_free_reflist_inner(struct reflist *list)
203{
204 int i;
205
206 for (i = 0; i < list->count; i++) {
207 cgit_free_refinfo(list->refs[i]);
208 }
209 free(list->refs);
210}
211
Christian Hessede83de22015-07-28 10:42:01 +0200212int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags,
Lars Hjemlie397ff72007-10-25 09:30:06 +0200213 void *cb_data)
214{
215 struct reflist *list = (struct reflist *)cb_data;
Christian Hessede83de22015-07-28 10:42:01 +0200216 struct refinfo *info = cgit_mk_refinfo(refname, oid);
Lars Hjemlie397ff72007-10-25 09:30:06 +0200217
218 if (info)
219 cgit_add_ref(list, info);
220 return 0;
221}
222
John Keeping044e2d22015-08-12 15:34:48 +0100223void cgit_diff_tree_cb(struct diff_queue_struct *q,
224 struct diff_options *options, void *data)
Lars Hjemli1b49de32007-05-13 11:24:23 +0200225{
226 int i;
227
228 for (i = 0; i < q->nr; i++) {
229 if (q->queue[i]->status == 'U')
230 continue;
231 ((filepair_fn)data)(q->queue[i]);
232 }
233}
234
Christian Hesse11695a52016-09-04 12:38:18 +0200235static int load_mmfile(mmfile_t *file, const struct object_id *oid)
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200236{
237 enum object_type type;
238
Christian Hesse11695a52016-09-04 12:38:18 +0200239 if (is_null_oid(oid)) {
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200240 file->ptr = (char *)"";
241 file->size = 0;
242 } else {
Christian Hesse255b78f2018-06-04 18:49:28 +0200243 file->ptr = read_object_file(oid, &type,
Lars Hjemli0835ffe2007-09-20 00:21:47 +0200244 (unsigned long *)&file->size);
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200245 }
246 return 1;
247}
248
249/*
250 * Receive diff-buffers from xdiff and concatenate them as
251 * needed across multiple callbacks.
252 *
253 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
254 * ripped from git and modified to use globals instead of
255 * a special callback-struct.
256 */
John Keepingeefd5e02015-03-08 16:32:19 +0000257static char *diffbuf = NULL;
258static int buflen = 0;
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200259
Lukas Fleischerbafab422013-03-04 08:52:33 +0100260static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200261{
262 int i;
263
264 for (i = 0; i < nbuf; i++) {
265 if (mb[i].ptr[mb[i].size-1] != '\n') {
266 /* Incomplete line */
267 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
268 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
269 buflen += mb[i].size;
270 continue;
271 }
272
273 /* we have a complete line */
274 if (!diffbuf) {
275 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
276 continue;
277 }
278 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
279 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
280 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
281 free(diffbuf);
282 diffbuf = NULL;
283 buflen = 0;
284 }
285 if (diffbuf) {
286 ((linediff_fn)priv)(diffbuf, buflen);
287 free(diffbuf);
288 diffbuf = NULL;
289 buflen = 0;
290 }
291 return 0;
292}
293
Christian Hesse11695a52016-09-04 12:38:18 +0200294int cgit_diff_files(const struct object_id *old_oid,
295 const struct object_id *new_oid, unsigned long *old_size,
Johan Herland6180e612010-06-10 20:15:27 +0200296 unsigned long *new_size, int *binary, int context,
Johan Herland2cc8b992010-06-24 17:52:57 +0200297 int ignorews, linediff_fn fn)
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200298{
299 mmfile_t file1, file2;
300 xpparam_t diff_params;
301 xdemitconf_t emit_params;
302 xdemitcb_t emit_cb;
303
Christian Hesse11695a52016-09-04 12:38:18 +0200304 if (!load_mmfile(&file1, old_oid) || !load_mmfile(&file2, new_oid))
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200305 return 1;
306
Lars Hjemlic495cf02009-01-31 10:40:40 +0100307 *old_size = file1.size;
308 *new_size = file2.size;
309
Lars Hjemli481ce5e2009-02-01 19:29:24 +0100310 if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
311 (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
Lars Hjemlic495cf02009-01-31 10:40:40 +0100312 *binary = 1;
Lars Hjemlice761fd2010-04-08 00:48:36 +0200313 if (file1.size)
314 free(file1.ptr);
315 if (file2.size)
316 free(file2.ptr);
Lars Hjemlic495cf02009-01-31 10:40:40 +0100317 return 0;
318 }
319
Lars Hjemli0edf7602008-12-26 11:02:02 +0100320 memset(&diff_params, 0, sizeof(diff_params));
321 memset(&emit_params, 0, sizeof(emit_params));
322 memset(&emit_cb, 0, sizeof(emit_cb));
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200323 diff_params.flags = XDF_NEED_MINIMAL;
Johan Herland2cc8b992010-06-24 17:52:57 +0200324 if (ignorews)
325 diff_params.flags |= XDF_IGNORE_WHITESPACE;
Johan Herland6180e612010-06-10 20:15:27 +0200326 emit_params.ctxlen = context > 0 ? context : 3;
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200327 emit_params.flags = XDL_EMIT_FUNCNAMES;
328 emit_cb.outf = filediff_cb;
329 emit_cb.priv = fn;
330 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
Lars Hjemlice761fd2010-04-08 00:48:36 +0200331 if (file1.size)
332 free(file1.ptr);
333 if (file2.size)
334 free(file2.ptr);
Lars Hjemlic4ef6672007-05-13 14:21:19 +0200335 return 0;
336}
337
Christian Hesse11695a52016-09-04 12:38:18 +0200338void cgit_diff_tree(const struct object_id *old_oid,
339 const struct object_id *new_oid,
Johan Herland2cc8b992010-06-24 17:52:57 +0200340 filepair_fn fn, const char *prefix, int ignorews)
Lars Hjemli1b49de32007-05-13 11:24:23 +0200341{
342 struct diff_options opt;
John Keepingbfc14d02013-03-02 12:32:10 +0000343 struct pathspec_item item;
Lars Hjemli1b49de32007-05-13 11:24:23 +0200344
Jason A. Donenfeld7e1c0ed2014-02-20 19:48:24 +0100345 memset(&item, 0, sizeof(item));
Lars Hjemli1b49de32007-05-13 11:24:23 +0200346 diff_setup(&opt);
347 opt.output_format = DIFF_FORMAT_CALLBACK;
348 opt.detect_rename = 1;
Lars Hjemlib228d4f2008-02-16 13:07:13 +0100349 opt.rename_limit = ctx.cfg.renamelimit;
Christian Hesse1dd53e32018-01-18 09:19:31 +0100350 opt.flags.recursive = 1;
Johan Herland2cc8b992010-06-24 17:52:57 +0200351 if (ignorews)
352 DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
Lars Hjemli1b49de32007-05-13 11:24:23 +0200353 opt.format_callback = cgit_diff_tree_cb;
354 opt.format_callback_data = fn;
Lars Hjemlif527a572007-10-01 11:42:19 +0200355 if (prefix) {
Christian Hesse3d33b462017-07-24 17:22:52 +0200356 item.match = xstrdup(prefix);
John Keepingbfc14d02013-03-02 12:32:10 +0000357 item.len = strlen(prefix);
358 opt.pathspec.nr = 1;
359 opt.pathspec.items = &item;
Lars Hjemlif527a572007-10-01 11:42:19 +0200360 }
Lars Hjemli1b49de32007-05-13 11:24:23 +0200361 diff_setup_done(&opt);
362
Christian Hesse11695a52016-09-04 12:38:18 +0200363 if (old_oid && !is_null_oid(old_oid))
Jeff Smith86a6d352017-08-09 19:02:56 -0500364 diff_tree_oid(old_oid, new_oid, "", &opt);
Lars Hjemli1b49de32007-05-13 11:24:23 +0200365 else
Jeff Smith86a6d352017-08-09 19:02:56 -0500366 diff_root_tree_oid(new_oid, "", &opt);
Lars Hjemli1b49de32007-05-13 11:24:23 +0200367 diffcore_std(&opt);
368 diff_flush(&opt);
Christian Hesse3d33b462017-07-24 17:22:52 +0200369
370 free(item.match);
Lars Hjemli1b49de32007-05-13 11:24:23 +0200371}
372
Johan Herland1415f3f2010-09-30 20:15:14 +0200373void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
Lars Hjemli1b49de32007-05-13 11:24:23 +0200374{
Christian Hesse11695a52016-09-04 12:38:18 +0200375 const struct object_id *old_oid = NULL;
Lars Hjemli1b49de32007-05-13 11:24:23 +0200376
377 if (commit->parents)
Christian Hesse11695a52016-09-04 12:38:18 +0200378 old_oid = &commit->parents->item->object.oid;
379 cgit_diff_tree(old_oid, &commit->object.oid, fn, prefix,
Johan Herland2cc8b992010-06-24 17:52:57 +0200380 ctx.qry.ignorews);
Lars Hjemli1b49de32007-05-13 11:24:23 +0200381}
Lars Hjemlif34478c2008-03-24 16:00:27 +0100382
383int cgit_parse_snapshots_mask(const char *str)
384{
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100385 struct string_list tokens = STRING_LIST_INIT_DUP;
386 struct string_list_item *item;
Lars Hjemlif34478c2008-03-24 16:00:27 +0100387 const struct cgit_snapshot_format *f;
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100388 int rv = 0;
Lars Hjemlif34478c2008-03-24 16:00:27 +0100389
390 /* favor legacy setting */
Jason A. Donenfeldbdae1d82013-03-03 23:21:33 -0500391 if (atoi(str))
Lars Hjemlif34478c2008-03-24 16:00:27 +0100392 return 1;
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100393
Christian Hesse30a378b2018-06-07 22:01:50 +0200394 if (strcmp(str, "all") == 0)
395 return INT_MAX;
396
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100397 string_list_split(&tokens, str, ' ', -1);
398 string_list_remove_empty_items(&tokens, 0);
399
400 for_each_string_list_item(item, &tokens) {
Lars Hjemlif34478c2008-03-24 16:00:27 +0100401 for (f = cgit_snapshot_formats; f->suffix; f++) {
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100402 if (!strcmp(item->string, f->suffix) ||
403 !strcmp(item->string, f->suffix + 1)) {
Christian Hesse2f8648f2018-06-11 08:26:59 +0200404 rv |= cgit_snapshot_format_bit(f);
Lars Hjemlif34478c2008-03-24 16:00:27 +0100405 break;
406 }
407 }
Lars Hjemlif34478c2008-03-24 16:00:27 +0100408 }
Lukas Fleischerf04b8d52014-01-10 12:44:37 +0100409
410 string_list_clear(&tokens, 0);
Lars Hjemlif34478c2008-03-24 16:00:27 +0100411 return rv;
412}
Lars Hjemlid6f60722009-07-31 17:38:38 +0200413
Ferry Huberts14f28922011-03-23 11:57:43 +0100414typedef struct {
415 char * name;
416 char * value;
417} cgit_env_var;
418
Lars Hjemli3ec6b302011-06-06 19:29:58 +0000419void cgit_prepare_repo_env(struct cgit_repo * repo)
420{
Ferry Huberts14f28922011-03-23 11:57:43 +0100421 cgit_env_var env_vars[] = {
422 { .name = "CGIT_REPO_URL", .value = repo->url },
423 { .name = "CGIT_REPO_NAME", .value = repo->name },
424 { .name = "CGIT_REPO_PATH", .value = repo->path },
425 { .name = "CGIT_REPO_OWNER", .value = repo->owner },
426 { .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch },
427 { .name = "CGIT_REPO_SECTION", .value = repo->section },
428 { .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url }
429 };
430 int env_var_count = ARRAY_SIZE(env_vars);
Lars Hjemlic2b58ed2011-03-26 11:22:35 +0100431 cgit_env_var *p, *q;
432 static char *warn = "cgit warning: failed to set env: %s=%s\n";
Ferry Huberts14f28922011-03-23 11:57:43 +0100433
Lars Hjemlic2b58ed2011-03-26 11:22:35 +0100434 p = env_vars;
435 q = p + env_var_count;
436 for (; p < q; p++)
Lukas Fleischerd96d2c92011-09-14 11:52:43 +0200437 if (p->value && setenv(p->name, p->value, 1))
Lars Hjemlic2b58ed2011-03-26 11:22:35 +0100438 fprintf(stderr, warn, p->name, p->value);
Ferry Huberts14f28922011-03-23 11:57:43 +0100439}
440
Lars Hjemlie16f1782009-08-18 17:17:41 +0200441/* Read the content of the specified file into a newly allocated buffer,
442 * zeroterminate the buffer and return 0 on success, errno otherwise.
443 */
444int readfile(const char *path, char **buf, size_t *size)
445{
Lars Hjemli21f67e72009-11-07 18:08:30 +0100446 int fd, e;
Lars Hjemlie16f1782009-08-18 17:17:41 +0200447 struct stat st;
448
449 fd = open(path, O_RDONLY);
450 if (fd == -1)
451 return errno;
Rys Sommefeldt8cfe4892009-11-07 15:24:45 +0100452 if (fstat(fd, &st)) {
Lars Hjemli21f67e72009-11-07 18:08:30 +0100453 e = errno;
Rys Sommefeldt8cfe4892009-11-07 15:24:45 +0100454 close(fd);
Lars Hjemli21f67e72009-11-07 18:08:30 +0100455 return e;
Rys Sommefeldt8cfe4892009-11-07 15:24:45 +0100456 }
457 if (!S_ISREG(st.st_mode)) {
458 close(fd);
Lars Hjemlie16f1782009-08-18 17:17:41 +0200459 return EISDIR;
Rys Sommefeldt8cfe4892009-11-07 15:24:45 +0100460 }
Lars Hjemlie16f1782009-08-18 17:17:41 +0200461 *buf = xmalloc(st.st_size + 1);
462 *size = read_in_full(fd, *buf, st.st_size);
Lars Hjemli21f67e72009-11-07 18:08:30 +0100463 e = errno;
Lars Hjemlie16f1782009-08-18 17:17:41 +0200464 (*buf)[*size] = '\0';
Rys Sommefeldt8cfe4892009-11-07 15:24:45 +0100465 close(fd);
Lars Hjemli21f67e72009-11-07 18:08:30 +0100466 return (*size == st.st_size ? 0 : e);
Lars Hjemlie16f1782009-08-18 17:17:41 +0200467}
Lars Hjemliba56a372010-03-22 00:09:43 +0100468
Lukas Fleischerbafab422013-03-04 08:52:33 +0100469static int is_token_char(char c)
Lars Hjemliba56a372010-03-22 00:09:43 +0100470{
471 return isalnum(c) || c == '_';
472}
473
474/* Replace name with getenv(name), return pointer to zero-terminating char
475 */
Lukas Fleischerbafab422013-03-04 08:52:33 +0100476static char *expand_macro(char *name, int maxlength)
Lars Hjemliba56a372010-03-22 00:09:43 +0100477{
478 char *value;
Jason A. Donenfeld08a2b1b2018-07-04 03:13:31 +0200479 size_t len;
Lars Hjemliba56a372010-03-22 00:09:43 +0100480
481 len = 0;
482 value = getenv(name);
483 if (value) {
Jason A. Donenfeld08a2b1b2018-07-04 03:13:31 +0200484 len = strlen(value) + 1;
Lars Hjemliba56a372010-03-22 00:09:43 +0100485 if (len > maxlength)
486 len = maxlength;
Jason A. Donenfeld08a2b1b2018-07-04 03:13:31 +0200487 strlcpy(name, value, len);
488 --len;
Lars Hjemliba56a372010-03-22 00:09:43 +0100489 }
490 return name + len;
491}
492
493#define EXPBUFSIZE (1024 * 8)
494
495/* Replace all tokens prefixed by '$' in the specified text with the
496 * value of the named environment variable.
497 * NB: the return value is a static buffer, i.e. it must be strdup'd
498 * by the caller.
499 */
500char *expand_macros(const char *txt)
501{
502 static char result[EXPBUFSIZE];
503 char *p, *start;
504 int len;
505
506 p = result;
507 start = NULL;
508 while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
509 *p = *txt;
510 if (start) {
511 if (!is_token_char(*txt)) {
512 if (p - start > 0) {
513 *p = '\0';
514 len = result + EXPBUFSIZE - start - 1;
515 p = expand_macro(start, len) - 1;
516 }
517 start = NULL;
518 txt--;
519 }
520 p++;
521 txt++;
522 continue;
523 }
524 if (*txt == '$') {
525 start = p;
526 txt++;
527 continue;
528 }
529 p++;
530 txt++;
531 }
532 *p = '\0';
533 if (start && p - start > 0) {
534 len = result + EXPBUFSIZE - start - 1;
535 p = expand_macro(start, len);
536 *p = '\0';
537 }
538 return result;
539}
Christian Hessef5c83d72015-08-14 16:50:56 +0200540
Christian Hesseaa943bc2015-08-16 14:53:52 +0200541char *get_mimetype_for_filename(const char *filename)
Christian Hessef5c83d72015-08-14 16:50:56 +0200542{
Jason A. Donenfeldad006912015-10-09 11:01:04 +0200543 char *ext, *mimetype, *token, line[1024], *saveptr;
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200544 FILE *file;
Christian Hesseaa943bc2015-08-16 14:53:52 +0200545 struct string_list_item *mime;
Christian Hessef5c83d72015-08-14 16:50:56 +0200546
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200547 if (!filename)
Christian Hessef5c83d72015-08-14 16:50:56 +0200548 return NULL;
549
Christian Hesseaa943bc2015-08-16 14:53:52 +0200550 ext = strrchr(filename, '.');
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200551 if (!ext)
552 return NULL;
553 ++ext;
554 if (!ext[0])
555 return NULL;
556 mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
557 if (mime)
558 return xstrdup(mime->util);
Christian Hessef5c83d72015-08-14 16:50:56 +0200559
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200560 if (!ctx.cfg.mimetype_file)
561 return NULL;
562 file = fopen(ctx.cfg.mimetype_file, "r");
563 if (!file)
564 return NULL;
565 while (fgets(line, sizeof(line), file)) {
566 if (!line[0] || line[0] == '#')
567 continue;
Jason A. Donenfeldad006912015-10-09 11:01:04 +0200568 mimetype = strtok_r(line, " \t\r\n", &saveptr);
569 while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) {
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200570 if (!strcasecmp(ext, token)) {
571 fclose(file);
572 return xstrdup(mimetype);
Christian Hessef5c83d72015-08-14 16:50:56 +0200573 }
574 }
575 }
Jason A. Donenfeld73f199b2015-08-17 14:35:20 +0200576 fclose(file);
577 return NULL;
Christian Hessef5c83d72015-08-14 16:50:56 +0200578}