1 /*
2  * Copyright (c) 2016, 2019, 2020-2022 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
4  * Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
5  * Copyright (c) 2013 Florian Obser <florian@openbsd.org>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <net/if.h>
21 #include <netinet/in.h>
22 #include <sys/queue.h>
23 #include <sys/stat.h>
24 #include <sys/types.h>
25 
26 #include <dirent.h>
27 #include <errno.h>
28 #include <event.h>
29 #include <imsg.h>
30 #include <sha1.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <unistd.h>
35 
36 #include "got_error.h"
37 #include "got_object.h"
38 #include "got_reference.h"
39 #include "got_repository.h"
40 #include "got_path.h"
41 #include "got_cancel.h"
42 #include "got_worktree.h"
43 #include "got_diff.h"
44 #include "got_commit_graph.h"
45 #include "got_blame.h"
46 #include "got_privsep.h"
47 
48 #include "proc.h"
49 #include "gotwebd.h"
50 
51 enum gotweb_ref_tm {
52 	TM_DIFF,
53 	TM_LONG,
54 };
55 
56 static const struct querystring_keys querystring_keys[] = {
57 	{ "action",		ACTION },
58 	{ "commit",		COMMIT },
59 	{ "file",		RFILE },
60 	{ "folder",		FOLDER },
61 	{ "headref",		HEADREF },
62 	{ "index_page",		INDEX_PAGE },
63 	{ "path",		PATH },
64 	{ "page",		PAGE },
65 };
66 
67 static const struct action_keys action_keys[] = {
68 	{ "blame",	BLAME },
69 	{ "blob",	BLOB },
70 	{ "briefs",	BRIEFS },
71 	{ "commits",	COMMITS },
72 	{ "diff",	DIFF },
73 	{ "error",	ERR },
74 	{ "index",	INDEX },
75 	{ "summary",	SUMMARY },
76 	{ "tag",	TAG },
77 	{ "tags",	TAGS },
78 	{ "tree",	TREE },
79 };
80 
81 static const struct got_error *gotweb_init_querystring(struct querystring **);
82 static const struct got_error *gotweb_parse_querystring(struct querystring **,
83     char *);
84 static const struct got_error *gotweb_assign_querystring(struct querystring **,
85     char *, char *);
86 static const struct got_error *gotweb_render_header(struct request *);
87 static const struct got_error *gotweb_render_footer(struct request *);
88 static const struct got_error *gotweb_render_index(struct request *);
89 static const struct got_error *gotweb_init_repo_dir(struct repo_dir **,
90     const char *);
91 static const struct got_error *gotweb_load_got_path(struct request *c,
92     struct repo_dir *);
93 static const struct got_error *gotweb_get_repo_description(char **,
94     struct server *, char *);
95 static const struct got_error *gotweb_get_clone_url(char **, struct server *,
96     char *);
97 static const struct got_error *gotweb_render_navs(struct request *);
98 static const struct got_error *gotweb_render_blame(struct request *);
99 static const struct got_error *gotweb_render_briefs(struct request *);
100 static const struct got_error *gotweb_render_commits(struct request *);
101 static const struct got_error *gotweb_render_diff(struct request *);
102 static const struct got_error *gotweb_render_summary(struct request *);
103 static const struct got_error *gotweb_render_tag(struct request *);
104 static const struct got_error *gotweb_render_tags(struct request *);
105 static const struct got_error *gotweb_render_tree(struct request *);
106 static const struct got_error *gotweb_render_branches(struct request *);
107 
108 static void gotweb_free_querystring(struct querystring *);
109 static void gotweb_free_repo_dir(struct repo_dir *);
110 
111 struct server *gotweb_get_server(uint8_t *, uint8_t *);
112 
113 void
114 gotweb_process_request(struct request *c)
115 {
116 	const struct got_error *error = NULL, *error2 = NULL;
117 	struct server *srv = NULL;
118 	struct querystring *qs = NULL;
119 	struct repo_dir *repo_dir = NULL;
120 	uint8_t err[] = "gotwebd experienced an error: ";
121 	int r, html = 0;
122 
123 	/* init the transport */
124 	error = gotweb_init_transport(&c->t);
125 	if (error) {
126 		log_warnx("%s: %s", __func__, error->msg);
127 		return;
128 	}
129 	/* don't process any further if client disconnected */
130 	if (c->sock->client_status == CLIENT_DISCONNECT)
131 		return;
132 	/* get the gotwebd server */
133 	srv = gotweb_get_server(c->server_name, c->http_host);
134 	if (srv == NULL) {
135 		log_warnx("%s: error server is NULL", __func__);
136 		goto err;
137 	}
138 	c->srv = srv;
139 	/* parse our querystring */
140 	error = gotweb_init_querystring(&qs);
141 	if (error) {
142 		log_warnx("%s: %s", __func__, error->msg);
143 		goto err;
144 	}
145 	c->t->qs = qs;
146 	error = gotweb_parse_querystring(&qs, c->querystring);
147 	if (error) {
148 		log_warnx("%s: %s", __func__, error->msg);
149 		goto err;
150 	}
151 
152 	/*
153 	 * certain actions require a commit id in the querystring. this stops
154 	 * bad actors from exploiting this by manually manipulating the
155 	 * querystring.
156 	 */
157 
158 	if (qs->commit == NULL && (qs->action == BLAME || qs->action == BLOB ||
159 	    qs->action == DIFF)) {
160 		error2 = got_error(GOT_ERR_QUERYSTRING);
161 		goto render;
162 	}
163 
164 	if (qs->action != INDEX) {
165 		error = gotweb_init_repo_dir(&repo_dir, qs->path);
166 		if (error)
167 			goto done;
168 		error = gotweb_load_got_path(c, repo_dir);
169 		c->t->repo_dir = repo_dir;
170 		if (error && error->code != GOT_ERR_LONELY_PACKIDX)
171 			goto err;
172 	}
173 
174 	/* render top of page */
175 	if (qs != NULL && qs->action == BLOB) {
176 		error = got_get_repo_commits(c, 1);
177 		if (error)
178 			goto done;
179 		error = got_output_file_blob(c);
180 		if (error) {
181 			log_warnx("%s: %s", __func__, error->msg);
182 			goto err;
183 		}
184 		goto done;
185 	} else {
186 render:
187 		error = gotweb_render_content_type(c, "text/html");
188 		if (error) {
189 			log_warnx("%s: %s", __func__, error->msg);
190 			goto err;
191 		}
192 		html = 1;
193 	}
194 
195 	error = gotweb_render_header(c);
196 	if (error) {
197 		log_warnx("%s: %s", __func__, error->msg);
198 		goto err;
199 	}
200 
201 	if (error2) {
202 		error = error2;
203 		goto err;
204 	}
205 
206 	switch(qs->action) {
207 	case BLAME:
208 		error = gotweb_render_blame(c);
209 		if (error) {
210 			log_warnx("%s: %s", __func__, error->msg);
211 			goto err;
212 		}
213 		break;
214 	case BRIEFS:
215 		error = gotweb_render_briefs(c);
216 		if (error) {
217 			log_warnx("%s: %s", __func__, error->msg);
218 			goto err;
219 		}
220 		break;
221 	case COMMITS:
222 		error = gotweb_render_commits(c);
223 		if (error) {
224 			log_warnx("%s: %s", __func__, error->msg);
225 			goto err;
226 		}
227 		break;
228 	case DIFF:
229 		error = gotweb_render_diff(c);
230 		if (error) {
231 			log_warnx("%s: %s", __func__, error->msg);
232 			goto err;
233 		}
234 		break;
235 	case INDEX:
236 		error = gotweb_render_index(c);
237 		if (error) {
238 			log_warnx("%s: %s", __func__, error->msg);
239 			goto err;
240 		}
241 		break;
242 	case SUMMARY:
243 		error = gotweb_render_summary(c);
244 		if (error) {
245 			log_warnx("%s: %s", __func__, error->msg);
246 			goto err;
247 		}
248 		break;
249 	case TAG:
250 		error = gotweb_render_tag(c);
251 		if (error) {
252 			log_warnx("%s: %s", __func__, error->msg);
253 			goto err;
254 		}
255 		break;
256 	case TAGS:
257 		error = gotweb_render_tags(c);
258 		if (error) {
259 			log_warnx("%s: %s", __func__, error->msg);
260 			goto err;
261 		}
262 		break;
263 	case TREE:
264 		error = gotweb_render_tree(c);
265 		if (error) {
266 			log_warnx("%s: %s", __func__, error->msg);
267 			goto err;
268 		}
269 		break;
270 	case ERR:
271 	default:
272 		r = fcgi_printf(c, "<div id='err_content'>%s</div>\n",
273 		    "Erorr: Bad Querystring");
274 		if (r == -1)
275 			goto err;
276 		break;
277 	}
278 
279 	goto done;
280 err:
281 	if (html && fcgi_printf(c, "<div id='err_content'>") == -1)
282 		return;
283 	if (fcgi_printf(c, "%s", err) == -1)
284 		return;
285 	if (error) {
286 		if (fcgi_printf(c, "%s", error->msg) == -1)
287 			return;
288 	} else {
289 		if (fcgi_printf(c, "see daemon logs for details") == -1)
290 			return;
291 	}
292 	if (html && fcgi_printf(c, "</div>\n") == -1)
293 		return;
294 done:
295 	if (html && srv != NULL)
296 		gotweb_render_footer(c);
297 }
298 
299 struct server *
300 gotweb_get_server(uint8_t *server_name, uint8_t *subdomain)
301 {
302 	struct server *srv = NULL;
303 
304 	/* check against the server name first */
305 	if (strlen(server_name) > 0)
306 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
307 			if (strcmp(srv->name, server_name) == 0)
308 				goto done;
309 
310 	/* check against subdomain second */
311 	if (strlen(subdomain) > 0)
312 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
313 			if (strcmp(srv->name, subdomain) == 0)
314 				goto done;
315 
316 	/* if those fail, send first server */
317 	TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
318 		if (srv != NULL)
319 			break;
320 done:
321 	return srv;
322 };
323 
324 const struct got_error *
325 gotweb_init_transport(struct transport **t)
326 {
327 	const struct got_error *error = NULL;
328 
329 	*t = calloc(1, sizeof(**t));
330 	if (*t == NULL)
331 		return got_error_from_errno2("%s: calloc", __func__);
332 
333 	TAILQ_INIT(&(*t)->repo_commits);
334 	TAILQ_INIT(&(*t)->repo_tags);
335 
336 	(*t)->repo = NULL;
337 	(*t)->repo_dir = NULL;
338 	(*t)->qs = NULL;
339 	(*t)->next_id = NULL;
340 	(*t)->prev_id = NULL;
341 	(*t)->next_disp = 0;
342 	(*t)->prev_disp = 0;
343 
344 	return error;
345 }
346 
347 static const struct got_error *
348 gotweb_init_querystring(struct querystring **qs)
349 {
350 	const struct got_error *error = NULL;
351 
352 	*qs = calloc(1, sizeof(**qs));
353 	if (*qs == NULL)
354 		return got_error_from_errno2("%s: calloc", __func__);
355 
356 	(*qs)->headref = strdup("HEAD");
357 	if ((*qs)->headref == NULL) {
358 		free(*qs);
359 		*qs = NULL;
360 		return got_error_from_errno2("%s: strdup", __func__);
361 	}
362 
363 	(*qs)->action = INDEX;
364 	(*qs)->commit = NULL;
365 	(*qs)->file = NULL;
366 	(*qs)->folder = NULL;
367 	(*qs)->index_page = 0;
368 	(*qs)->index_page_str = NULL;
369 	(*qs)->path = NULL;
370 
371 	return error;
372 }
373 
374 static const struct got_error *
375 gotweb_parse_querystring(struct querystring **qs, char *qst)
376 {
377 	const struct got_error *error = NULL;
378 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
379 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
380 
381 	if (qst == NULL)
382 		return error;
383 
384 	tok1 = strdup(qst);
385 	if (tok1 == NULL)
386 		return got_error_from_errno2("%s: strdup", __func__);
387 
388 	tok1_pair = tok1;
389 	tok1_end = tok1;
390 
391 	while (tok1_pair != NULL) {
392 		strsep(&tok1_end, "&");
393 
394 		tok2 = strdup(tok1_pair);
395 		if (tok2 == NULL) {
396 			free(tok1);
397 			return got_error_from_errno2("%s: strdup", __func__);
398 		}
399 
400 		tok2_pair = tok2;
401 		tok2_end = tok2;
402 
403 		while (tok2_pair != NULL) {
404 			strsep(&tok2_end, "=");
405 			if (tok2_end) {
406 				error = gotweb_assign_querystring(qs, tok2_pair,
407 				    tok2_end);
408 				if (error)
409 					goto err;
410 			}
411 			tok2_pair = tok2_end;
412 		}
413 		free(tok2);
414 		tok1_pair = tok1_end;
415 	}
416 	free(tok1);
417 	return error;
418 err:
419 	free(tok2);
420 	free(tok1);
421 	return error;
422 }
423 
424 static const struct got_error *
425 gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
426 {
427 	const struct got_error *error = NULL;
428 	const char *errstr;
429 	int a_cnt, el_cnt;
430 
431 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
432 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
433 			continue;
434 
435 		switch (querystring_keys[el_cnt].element) {
436 		case ACTION:
437 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
438 				if (strcmp(value, action_keys[a_cnt].name) != 0)
439 					continue;
440 				else if (strcmp(value,
441 				    action_keys[a_cnt].name) == 0){
442 					(*qs)->action =
443 					    action_keys[a_cnt].action;
444 					goto qa_found;
445 				}
446 			}
447 			(*qs)->action = ERR;
448 qa_found:
449 			break;
450 		case COMMIT:
451 			(*qs)->commit = strdup(value);
452 			if ((*qs)->commit == NULL) {
453 				error = got_error_from_errno2("%s: strdup",
454 				    __func__);
455 				goto done;
456 			}
457 			break;
458 		case RFILE:
459 			(*qs)->file = strdup(value);
460 			if ((*qs)->file == NULL) {
461 				error = got_error_from_errno2("%s: strdup",
462 				    __func__);
463 				goto done;
464 			}
465 			break;
466 		case FOLDER:
467 			(*qs)->folder = strdup(value);
468 			if ((*qs)->folder == NULL) {
469 				error = got_error_from_errno2("%s: strdup",
470 				    __func__);
471 				goto done;
472 			}
473 			break;
474 		case HEADREF:
475 			(*qs)->headref = strdup(value);
476 			if ((*qs)->headref == NULL) {
477 				error = got_error_from_errno2("%s: strdup",
478 				    __func__);
479 				goto done;
480 			}
481 			break;
482 		case INDEX_PAGE:
483 			if (strlen(value) == 0)
484 				break;
485 			(*qs)->index_page_str = strdup(value);
486 			if ((*qs)->index_page_str == NULL) {
487 				error = got_error_from_errno2("%s: strdup",
488 				    __func__);
489 				goto done;
490 			}
491 			(*qs)->index_page = strtonum(value, INT64_MIN,
492 			    INT64_MAX, &errstr);
493 			if (errstr) {
494 				error = got_error_from_errno3("%s: strtonum %s",
495 				    __func__, errstr);
496 				goto done;
497 			}
498 			if ((*qs)->index_page < 0) {
499 				(*qs)->index_page = 0;
500 				sprintf((*qs)->index_page_str, "%d", 0);
501 			}
502 			break;
503 		case PATH:
504 			(*qs)->path = strdup(value);
505 			if ((*qs)->path == NULL) {
506 				error = got_error_from_errno2("%s: strdup",
507 				    __func__);
508 				goto done;
509 			}
510 			break;
511 		case PAGE:
512 			if (strlen(value) == 0)
513 				break;
514 			(*qs)->page_str = strdup(value);
515 			if ((*qs)->page_str == NULL) {
516 				error = got_error_from_errno2("%s: strdup",
517 				    __func__);
518 				goto done;
519 			}
520 			(*qs)->page = strtonum(value, INT64_MIN,
521 			    INT64_MAX, &errstr);
522 			if (errstr) {
523 				error = got_error_from_errno3("%s: strtonum %s",
524 				    __func__, errstr);
525 				goto done;
526 			}
527 			if ((*qs)->page < 0) {
528 				(*qs)->page = 0;
529 				sprintf((*qs)->page_str, "%d", 0);
530 			}
531 			break;
532 		default:
533 			break;
534 		}
535 	}
536 done:
537 	return error;
538 }
539 
540 void
541 gotweb_free_repo_tag(struct repo_tag *rt)
542 {
543 	if (rt != NULL) {
544 		free(rt->commit_id);
545 		free(rt->tag_name);
546 		free(rt->tag_commit);
547 		free(rt->commit_msg);
548 		free(rt->tagger);
549 	}
550 	free(rt);
551 }
552 
553 void
554 gotweb_free_repo_commit(struct repo_commit *rc)
555 {
556 	if (rc != NULL) {
557 		free(rc->path);
558 		free(rc->refs_str);
559 		free(rc->commit_id);
560 		free(rc->parent_id);
561 		free(rc->tree_id);
562 		free(rc->author);
563 		free(rc->committer);
564 		free(rc->commit_msg);
565 	}
566 	free(rc);
567 }
568 
569 static void
570 gotweb_free_querystring(struct querystring *qs)
571 {
572 	if (qs != NULL) {
573 		free(qs->commit);
574 		free(qs->file);
575 		free(qs->folder);
576 		free(qs->headref);
577 		free(qs->index_page_str);
578 		free(qs->path);
579 		free(qs->page_str);
580 	}
581 	free(qs);
582 }
583 
584 static void
585 gotweb_free_repo_dir(struct repo_dir *repo_dir)
586 {
587 	if (repo_dir != NULL) {
588 		free(repo_dir->name);
589 		free(repo_dir->owner);
590 		free(repo_dir->description);
591 		free(repo_dir->url);
592 		free(repo_dir->age);
593 		free(repo_dir->path);
594 	}
595 	free(repo_dir);
596 }
597 
598 void
599 gotweb_free_transport(struct transport *t)
600 {
601 	struct repo_commit *rc = NULL, *trc = NULL;
602 	struct repo_tag *rt = NULL, *trt = NULL;
603 
604 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
605 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
606 		gotweb_free_repo_commit(rc);
607 	}
608 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
609 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
610 		gotweb_free_repo_tag(rt);
611 	}
612 	gotweb_free_repo_dir(t->repo_dir);
613 	gotweb_free_querystring(t->qs);
614 	free(t->next_id);
615 	free(t->prev_id);
616 	free(t);
617 }
618 
619 const struct got_error *
620 gotweb_render_content_type(struct request *c, const uint8_t *type)
621 {
622 	const char *csp = "default-src 'self'; script-src 'none'; "
623 		"object-src 'none';";
624 
625 	fcgi_printf(c,
626 	    "Content-Security-Policy: %s\r\n"
627 	    "Content-Type: %s\r\n\r\n",
628 	    csp, type);
629 	return NULL;
630 }
631 
632 const struct got_error *
633 gotweb_render_content_type_file(struct request *c, const uint8_t *type,
634     char *file)
635 {
636 	fcgi_printf(c, "Content-type: %s\r\n"
637 	    "Content-disposition: attachment; filename=%s\r\n\r\n",
638 	    type, file);
639 	return NULL;
640 }
641 
642 static const struct got_error *
643 gotweb_render_header(struct request *c)
644 {
645 	struct server *srv = c->srv;
646 	struct querystring *qs = c->t->qs;
647 	int r;
648 
649 	r = fcgi_printf(c, "<!doctype html>\n"
650 	    "<html>\n"
651 	    "<head>\n"
652 	    "<title>%s</title>\n"
653 	    "<meta charset='utf-8' />\n"
654 	    "<meta name='viewport' content='initial-scale=.75' />\n"
655 	    "<meta name='msapplication-TileColor' content='#da532c' />\n"
656 	    "<meta name='theme-color' content='#ffffff'/>\n"
657 	    "<link rel='apple-touch-icon' sizes='180x180'"
658 	    " href='%sapple-touch-icon.png' />\n"
659 	    "<link rel='icon' type='image/png' sizes='32x32'"
660 	    " href='%sfavicon-32x32.png' />\n"
661 	    "<link rel='icon' type='image/png' sizes='16x16'"
662 	    " href='%sfavicon-16x16.png' />\n"
663 	    "<link rel='manifest' href='%ssite.webmanifest'/>\n"
664 	    "<link rel='mask-icon' href='%ssafari-pinned-tab.svg' />\n"
665 	    "<link rel='stylesheet' type='text/css' href='%s%s' />\n"
666 	    "</head>\n"
667 	    "<body>\n"
668 	    "<div id='gw_body'>\n"
669 	    "<div id='header'>\n"
670 	    "<div id='got_link'>"
671 	    "<a href='%s' target='_blank'>"
672 	    "<img src='%s%s' alt='logo' id='logo' />"
673 	    "</a>\n"
674 	    "</div>\n"		/* #got_link */
675 	    "</div>\n"		/* #header */
676 	    "<div id='site_path'>\n"
677 	    "<div id='site_link'>\n"
678 	    "<a href='?index_page=%d'>%s</a>",
679 	    c->script_name,
680 	    c->script_name,
681 	    c->script_name,
682 	    c->script_name,
683 	    c->script_name,
684 	    srv->site_name,
685 	    c->script_name, srv->custom_css,
686 	    srv->logo_url,
687 	    c->script_name, srv->logo,
688 	    qs->index_page, srv->site_link);
689 	if (r == -1)
690 		goto done;
691 
692 	if (qs != NULL) {
693 		if (qs->path != NULL) {
694 			r = fcgi_printf(c, " / "
695 			    "<a href='?index_page=%d&path=%s&action=summary'>"
696 			    "%s</a>",
697 			    qs->index_page, qs->path, qs->path);
698 			if (r == -1)
699 				goto done;
700 		}
701 		if (qs->action != INDEX) {
702 			const char *action = "";
703 
704 			switch (qs->action) {
705 			case BLAME:
706 				action = "blame";
707 				break;
708 			case BRIEFS:
709 				action = "briefs";
710 				break;
711 			case COMMITS:
712 				action = "commits";
713 				break;
714 			case DIFF:
715 				action = "diff";
716 				break;
717 			case SUMMARY:
718 				action = "summary";
719 				break;
720 			case TAG:
721 				action = "tag";
722 				break;
723 			case TAGS:
724 				action = "tags";
725 				break;
726 			case TREE:
727 				action = "tree";
728 				break;
729 			}
730 
731 			if (fcgi_printf(c, " / %s", action) == -1)
732 				goto done;
733 		}
734 	}
735 
736 	fcgi_printf(c, "</div>\n"	/* #site_path */
737 	    "</div>\n"			/* #site_link */
738 	    "<div id='content'>\n");
739 
740 done:
741 	return NULL;
742 }
743 
744 static const struct got_error *
745 gotweb_render_footer(struct request *c)
746 {
747 	const struct got_error *error = NULL;
748 	struct server *srv = c->srv;
749 	const char *siteowner = "&nbsp;";
750 	char *escaped_owner = NULL;
751 
752 	if (srv->show_site_owner) {
753 		error = gotweb_escape_html(&escaped_owner, srv->site_owner);
754 		if (error)
755 			return error;
756 		siteowner = escaped_owner;
757 	}
758 
759 	fcgi_printf(c, "<div id='site_owner_wrapper'>\n"
760 	    "<div id='site_owner'>%s</div>\n"
761 	    "</div>\n"		/* #site_owner_wrapper */
762 	    "</div>\n"		/* #content */
763 	    "</div>\n"		/* #gw_body */
764 	    "</body>\n</html>\n", siteowner);
765 
766 	free(escaped_owner);
767 	return NULL;
768 }
769 
770 static const struct got_error *
771 gotweb_render_navs(struct request *c)
772 {
773 	const struct got_error *error = NULL;
774 	struct transport *t = c->t;
775 	struct querystring *qs = t->qs;
776 	struct server *srv = c->srv;
777 	char *nhref = NULL, *phref = NULL;
778 	int r, disp = 0;
779 
780 	r = fcgi_printf(c, "<div id='np_wrapper'>\n<div id='nav_prev'>\n");
781 	if (r == -1)
782 		goto done;
783 
784 	switch(qs->action) {
785 	case INDEX:
786 		if (qs->index_page > 0) {
787 			if (asprintf(&phref, "index_page=%d",
788 			    qs->index_page - 1) == -1) {
789 				error = got_error_from_errno2("%s: asprintf",
790 				    __func__);
791 				goto done;
792 			}
793 			disp = 1;
794 		}
795 		break;
796 	case BRIEFS:
797 		if (t->prev_id && qs->commit != NULL &&
798 		    strcmp(qs->commit, t->prev_id) != 0) {
799 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
800 			    "&action=briefs&commit=%s&headref=%s",
801 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
802 			    qs->headref) == -1) {
803 				error = got_error_from_errno2("%s: asprintf",
804 				    __func__);
805 				goto done;
806 			}
807 			disp = 1;
808 		}
809 		break;
810 	case COMMITS:
811 		if (t->prev_id && qs->commit != NULL &&
812 		    strcmp(qs->commit, t->prev_id) != 0) {
813 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
814 			    "&action=commits&commit=%s&headref=%s&folder=%s"
815 			    "&file=%s",
816 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
817 			    qs->headref, qs->folder ? qs->folder : "",
818 			    qs->file ? qs->file : "") == -1) {
819 				error = got_error_from_errno2("%s: asprintf",
820 				    __func__);
821 				goto done;
822 			}
823 			disp = 1;
824 		}
825 		break;
826 	case TAGS:
827 		if (t->prev_id && qs->commit != NULL &&
828 		    strcmp(qs->commit, t->prev_id) != 0) {
829 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
830 			    "&action=tags&commit=%s&headref=%s",
831 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
832 			    qs->headref) == -1) {
833 				error = got_error_from_errno2("%s: asprintf",
834 				    __func__);
835 				goto done;
836 			}
837 			disp = 1;
838 		}
839 		break;
840 	default:
841 		disp = 0;
842 		break;
843 	}
844 
845 	if (disp) {
846 		r = fcgi_printf(c, "<a href='?%s'>Previous</a>", phref);
847 		if (r == -1)
848 			goto done;
849 	}
850 
851 	r = fcgi_printf(c, "</div>\n"	/* #nav_prev */
852 	    "<div id='nav_next'>");
853 	if (r == -1)
854 		goto done;
855 
856 	disp = 0;
857 	switch(qs->action) {
858 	case INDEX:
859 		if (t->next_disp == srv->max_repos_display &&
860 		    t->repos_total != (qs->index_page + 1) *
861 		    srv->max_repos_display) {
862 			if (asprintf(&nhref, "index_page=%d",
863 			    qs->index_page + 1) == -1) {
864 				error = got_error_from_errno2("%s: asprintf",
865 				    __func__);
866 				goto done;
867 			}
868 			disp = 1;
869 		}
870 		break;
871 	case BRIEFS:
872 		if (t->next_id) {
873 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
874 			    "&action=briefs&commit=%s&headref=%s",
875 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
876 			    qs->headref) == -1) {
877 				error = got_error_from_errno2("%s: asprintf",
878 				    __func__);
879 				goto done;
880 			}
881 			disp = 1;
882 		}
883 		break;
884 	case COMMITS:
885 		if (t->next_id) {
886 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
887 			    "&action=commits&commit=%s&headref=%s&folder=%s"
888 			    "&file=%s",
889 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
890 			    qs->headref, qs->folder ? qs->folder : "",
891 			    qs->file ? qs->file : "") == -1) {
892 				error = got_error_from_errno2("%s: asprintf",
893 				    __func__);
894 				goto done;
895 			}
896 			disp = 1;
897 		}
898 		break;
899 	case TAGS:
900 		if (t->next_id) {
901 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
902 			    "&action=tags&commit=%s&headref=%s",
903 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
904 			    qs->headref) == -1) {
905 				error = got_error_from_errno2("%s: asprintf",
906 				    __func__);
907 				goto done;
908 			}
909 			disp = 1;
910 		}
911 		break;
912 	default:
913 		disp = 0;
914 		break;
915 	}
916 	if (disp) {
917 		r = fcgi_printf(c, "<a href='?%s'>Next</a>", nhref);
918 		if (r == -1)
919 			goto done;
920 	}
921 	fcgi_printf(c, "</div>\n"); /* #nav_next */
922 	fcgi_printf(c, "</div>\n"); /* #np_wrapper */
923 done:
924 	free(t->next_id);
925 	t->next_id = NULL;
926 	free(t->prev_id);
927 	t->prev_id = NULL;
928 	free(phref);
929 	free(nhref);
930 	return error;
931 }
932 
933 static const struct got_error *
934 gotweb_render_index(struct request *c)
935 {
936 	const struct got_error *error = NULL;
937 	struct server *srv = c->srv;
938 	struct transport *t = c->t;
939 	struct querystring *qs = t->qs;
940 	struct repo_dir *repo_dir = NULL;
941 	DIR *d;
942 	struct dirent **sd_dent;
943 	const char *index_page_str;
944 	char *c_path = NULL;
945 	struct stat st;
946 	unsigned int d_cnt, d_i, d_disp = 0;
947 	int r;
948 
949 	index_page_str = qs->index_page_str ? qs->index_page_str : "";
950 
951 	d = opendir(srv->repos_path);
952 	if (d == NULL) {
953 		error = got_error_from_errno2("opendir", srv->repos_path);
954 		return error;
955 	}
956 
957 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
958 	if (d_cnt == -1) {
959 		error = got_error_from_errno2("scandir", srv->repos_path);
960 		goto done;
961 	}
962 
963 	/* get total count of repos */
964 	for (d_i = 0; d_i < d_cnt; d_i++) {
965 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
966 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
967 			continue;
968 
969 		if (asprintf(&c_path, "%s/%s", srv->repos_path,
970 		    sd_dent[d_i]->d_name) == -1) {
971 			error = got_error_from_errno("asprintf");
972 			return error;
973 		}
974 
975 		if (lstat(c_path, &st) == 0 && S_ISDIR(st.st_mode) &&
976 		    !got_path_dir_is_empty(c_path))
977 			t->repos_total++;
978 		free(c_path);
979 		c_path = NULL;
980 	}
981 
982 	r = fcgi_printf(c, "<div id='index_header'>\n"
983 	    "<div id='index_header_project'>Project</div>\n");
984 	if (r == -1)
985 		goto done;
986 
987 	if (srv->show_repo_description)
988 		if (fcgi_printf(c, "<div id='index_header_description'>"
989 		    "Description</div>\n") == -1)
990 			goto done;
991 	if (srv->show_repo_owner)
992 		if (fcgi_printf(c, "<div id='index_header_owner'>"
993 		    "Owner</div>\n") == -1)
994 			goto done;
995 	if (srv->show_repo_age)
996 		if (fcgi_printf(c, "<div id='index_header_age'>"
997 		    "Last Change</div>\n") == -1)
998 			goto done;
999 	if (fcgi_printf(c, "</div>\n") == -1) /* #index_header */
1000 		goto done;
1001 
1002 	for (d_i = 0; d_i < d_cnt; d_i++) {
1003 		if (srv->max_repos > 0 && (d_i - 2) == srv->max_repos)
1004 			break; /* account for parent and self */
1005 
1006 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1007 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1008 			continue;
1009 
1010 		if (qs->index_page > 0 && (qs->index_page *
1011 		    srv->max_repos_display) > t->prev_disp) {
1012 			t->prev_disp++;
1013 			continue;
1014 		}
1015 
1016 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
1017 		if (error)
1018 			goto done;
1019 
1020 		error = gotweb_load_got_path(c, repo_dir);
1021 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1022 			error = NULL;
1023 			continue;
1024 		}
1025 		else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
1026 			goto done;
1027 
1028 		if (lstat(repo_dir->path, &st) == 0 &&
1029 		    S_ISDIR(st.st_mode) &&
1030 		    !got_path_dir_is_empty(repo_dir->path))
1031 			goto render;
1032 		else {
1033 			gotweb_free_repo_dir(repo_dir);
1034 			repo_dir = NULL;
1035 			continue;
1036 		}
1037 render:
1038 		d_disp++;
1039 		t->prev_disp++;
1040 
1041 		r = fcgi_printf(c, "<div class='index_wrapper'>\n"
1042 		    "<div class='index_project'>"
1043 		    "<a href='?index_page=%s&path=%s&action=summary'>"
1044 		    " %s "
1045 		    "</a>"
1046 		    "</div>",	/* .index_project */
1047 		    index_page_str, repo_dir->name,
1048 		    repo_dir->name);
1049 		if (r == -1)
1050 			goto done;
1051 
1052 		if (srv->show_repo_description) {
1053 			r = fcgi_printf(c,
1054 			    "<div class='index_project_description'>\n"
1055 			    "%s</div>\n", repo_dir->description);
1056 			if (r == -1)
1057 				goto done;
1058 		}
1059 
1060 		if (srv->show_repo_owner) {
1061 			r = fcgi_printf(c, "<div class='index_project_owner'>"
1062 			    "%s</div>\n", repo_dir->owner);
1063 			if (r == -1)
1064 				goto done;
1065 		}
1066 
1067 		if (srv->show_repo_age) {
1068 			r = fcgi_printf(c, "<div class='index_project_age'>"
1069 			    "%s</div>\n", repo_dir->age);
1070 			if (r == -1)
1071 				goto done;
1072 		}
1073 
1074 		r = fcgi_printf(c, "<div class='navs_wrapper'>"
1075 		    "<div class='navs'>"
1076 		    "<a href='?index_page=%s&path=%s&action=summary'>"
1077 		    "summary"
1078 		    "</a> | "
1079 		    "<a href='?index_page=%s&path=%s&action=briefs'>"
1080 		    "commit briefs"
1081 		    "</a> | "
1082 		    "<a href='?index_page=%s&path=%s&action=commits'>"
1083 		    "commits"
1084 		    "</a> | "
1085 		    "<a href='?index_page=%s&path=%s&action=tags'>"
1086 		    "tags"
1087 		    "</a> | "
1088 		    "<a href='?index_page=%s&path=%s&action=tree'>"
1089 		    "tree"
1090 		    "</a>"
1091 		    "</div>"	/* .navs */
1092 		    "<div class='dotted_line'></div>\n"
1093 		    "</div>\n"	/* .navs_wrapper */
1094 		    "</div>\n",	/* .index_wrapper */
1095 		    index_page_str, repo_dir->name,
1096 		    index_page_str, repo_dir->name,
1097 		    index_page_str, repo_dir->name,
1098 		    index_page_str, repo_dir->name,
1099 		    index_page_str, repo_dir->name);
1100 		if (r == -1)
1101 			goto done;
1102 
1103 		gotweb_free_repo_dir(repo_dir);
1104 		repo_dir = NULL;
1105 		t->next_disp++;
1106 		if (d_disp == srv->max_repos_display)
1107 			break;
1108 	}
1109 	if (srv->max_repos_display == 0)
1110 		goto done;
1111 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
1112 		goto done;
1113 	if (t->repos_total <= srv->max_repos ||
1114 	    t->repos_total <= srv->max_repos_display)
1115 		goto done;
1116 
1117 	error = gotweb_render_navs(c);
1118 	if (error)
1119 		goto done;
1120 done:
1121 	if (d != NULL && closedir(d) == EOF && error == NULL)
1122 		error = got_error_from_errno("closedir");
1123 	return error;
1124 }
1125 
1126 static const struct got_error *
1127 gotweb_render_blame(struct request *c)
1128 {
1129 	const struct got_error *error = NULL;
1130 	struct transport *t = c->t;
1131 	struct repo_commit *rc = NULL;
1132 	char *age = NULL, *msg = NULL;
1133 	int r;
1134 
1135 	error = got_get_repo_commits(c, 1);
1136 	if (error)
1137 		return error;
1138 
1139 	rc = TAILQ_FIRST(&t->repo_commits);
1140 
1141 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1142 	if (error)
1143 		goto done;
1144 	error = gotweb_escape_html(&msg, rc->commit_msg);
1145 	if (error)
1146 		goto done;
1147 
1148 	r = fcgi_printf(c, "<div id='blame_title_wrapper'>\n"
1149 	    "<div id='blame_title'>Blame</div>\n"
1150 	    "</div>\n"		/* #blame_title_wrapper */
1151 	    "<div id='blame_content'>\n"
1152 	    "<div id='blame_header_wrapper'>\n"
1153 	    "<div id='blame_header'>\n"
1154 	    "<div class='header_age_title'>Date:</div>\n"
1155 	    "<div class='header_age'>%s</div>\n"
1156 	    "<div id='header_commit_msg_title'>Message:</div>\n"
1157 	    "<div id='header_commit_msg'>%s</div>\n"
1158 	    "</div>\n"		/* #blame_header */
1159 	    "</div>\n"		/* #blame_header_wrapper */
1160 	    "<div class='dotted_line'></div>\n"
1161 	    "<div id='blame'>\n",
1162 	    age,
1163 	    msg);
1164 	if (r == -1)
1165 		goto done;
1166 
1167 	error = got_output_file_blame(c);
1168 	if (error)
1169 		goto done;
1170 
1171 	fcgi_printf(c, "</div>\n"	/* #blame */
1172 	    "</div>\n");		/* #blame_content */
1173 done:
1174 	free(age);
1175 	free(msg);
1176 	return error;
1177 }
1178 
1179 static const struct got_error *
1180 gotweb_render_briefs(struct request *c)
1181 {
1182 	const struct got_error *error = NULL;
1183 	struct repo_commit *rc = NULL;
1184 	struct server *srv = c->srv;
1185 	struct transport *t = c->t;
1186 	struct querystring *qs = t->qs;
1187 	struct repo_dir *repo_dir = t->repo_dir;
1188 	const char *index_page_str;
1189 	char *smallerthan, *newline;
1190 	char *age = NULL, *author = NULL, *msg = NULL;
1191 	int r;
1192 
1193 	index_page_str = qs->index_page_str ? qs->index_page_str : "";
1194 
1195 	r = fcgi_printf(c, "<div id='briefs_title_wrapper'>\n"
1196 	    "<div id='briefs_title'>Commit Briefs</div>\n"
1197 	    "</div>\n"	/* #briefs_title_wrapper */
1198 	    "<div id='briefs_content'>\n");
1199 	if (r == -1)
1200 		goto done;
1201 
1202 	if (qs->action == SUMMARY) {
1203 		qs->action = BRIEFS;
1204 		error = got_get_repo_commits(c, D_MAXSLCOMMDISP);
1205 	} else
1206 		error = got_get_repo_commits(c, srv->max_commits_display);
1207 	if (error)
1208 		goto done;
1209 
1210 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1211 		error = gotweb_get_time_str(&age, rc->committer_time, TM_DIFF);
1212 		if (error)
1213 			goto done;
1214 
1215 		smallerthan = strchr(rc->author, '<');
1216 		if (smallerthan)
1217 			*smallerthan = '\0';
1218 
1219 		newline = strchr(rc->commit_msg, '\n');
1220 		if (newline)
1221 			*newline = '\0';
1222 
1223 		error = gotweb_escape_html(&author, rc->author);
1224 		if (error)
1225 			goto done;
1226 		error = gotweb_escape_html(&msg, rc->commit_msg);
1227 		if (error)
1228 			goto done;
1229 
1230 		r = fcgi_printf(c, "<div class='briefs_age'>%s</div>\n"
1231 		    "<div class='briefs_author'>%s</div>\n"
1232 		    "<div class='briefs_log'>"
1233 		    "<a href='?index_page=%s&path=%s&action=diff&commit=%s"
1234 		    "&headref=%s'>%s</a>",
1235 		    age,
1236 		    author,
1237 		    index_page_str, repo_dir->name, rc->commit_id, qs->headref,
1238 		    msg);
1239 		if (r == -1)
1240 			goto done;
1241 
1242 		if (rc->refs_str) {
1243 			char *refs;
1244 
1245 			error = gotweb_escape_html(&refs, rc->refs_str);
1246 			if (error)
1247 				goto done;
1248 			r = fcgi_printf(c,
1249 			    " <span class='refs_str'>(%s)</span>", refs);
1250 			free(refs);
1251 			if (r == -1)
1252 				goto done;
1253 		}
1254 		if (fcgi_printf(c, "</div>\n") == -1) /* .briefs_log */
1255 			goto done;
1256 
1257 		r = fcgi_printf(c, "<div class='navs_wrapper'>\n"
1258 		    "<div class='navs'>"
1259 		    "<a href='?index_page=%s&path=%s&action=diff&commit=%s"
1260 		    "&headref=%s'>diff</a>"
1261 		    " | "
1262 		    "<a href='?index_page=%s&path=%s&action=tree&commit=%s"
1263 		    "&headref=%s'>tree</a>"
1264 		    "</div>\n"	/* .navs */
1265 		    "</div>\n"	/* .navs_wrapper */
1266 		    "<div class='dotted_line'></div>\n",
1267 		    index_page_str, repo_dir->name, rc->commit_id, qs->headref,
1268 		    index_page_str, repo_dir->name, rc->commit_id, qs->headref);
1269 		if (r == -1)
1270 			goto done;
1271 
1272 		free(age);
1273 		age = NULL;
1274 		free(author);
1275 		author = NULL;
1276 		free(msg);
1277 		msg = NULL;
1278 	}
1279 
1280 	if (t->next_id || t->prev_id) {
1281 		error = gotweb_render_navs(c);
1282 		if (error)
1283 			goto done;
1284 	}
1285 	fcgi_printf(c, "</div>\n"); /* #briefs_content */
1286 done:
1287 	free(age);
1288 	free(author);
1289 	free(msg);
1290 	return error;
1291 }
1292 
1293 static const struct got_error *
1294 gotweb_render_commits(struct request *c)
1295 {
1296 	const struct got_error *error = NULL;
1297 	struct repo_commit *rc = NULL;
1298 	struct server *srv = c->srv;
1299 	struct transport *t = c->t;
1300 	struct querystring *qs = t->qs;
1301 	struct repo_dir *repo_dir = t->repo_dir;
1302 	const char *index_page_str;
1303 	char *age = NULL, *author = NULL, *msg = NULL;
1304 	int r;
1305 
1306 	index_page_str = qs->index_page_str ? qs->index_page_str : "";
1307 
1308 	r = fcgi_printf(c, "<div class='commits_title_wrapper'>\n"
1309 	    "<div class='commits_title'>Commits</div>\n"
1310 	    "</div>\n"		/* .commits_title_wrapper */
1311 	    "<div class='commits_content'>\n");
1312 	if (r == -1)
1313 		goto done;
1314 
1315 	error = got_get_repo_commits(c, srv->max_commits_display);
1316 	if (error)
1317 		goto done;
1318 
1319 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1320 		error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1321 		if (error)
1322 			goto done;
1323 		error = gotweb_escape_html(&author, rc->author);
1324 		if (error)
1325 			goto done;
1326 		error = gotweb_escape_html(&msg, rc->commit_msg);
1327 		if (error)
1328 			goto done;
1329 
1330 		r = fcgi_printf(c, "<div class='commits_header_wrapper'>\n"
1331 		    "<div class='commits_header'>\n"
1332 		    "<div class='header_commit_title'>Commit:</div>\n"
1333 		    "<div class='header_commit'>%s</div>\n"
1334 		    "<div class='header_author_title'>Author:</div>\n"
1335 		    "<div class='header_author'>%s</div>\n"
1336 		    "<div class='header_age_title'>Date:</div>\n"
1337 		    "<div class='header_age'>%s</div>\n"
1338 		    "</div>\n"	/* .commits_header */
1339 		    "</div>\n"	/* .commits_header_wrapper */
1340 		    "<div class='dotted_line'></div>\n"
1341 		    "<div class='commit'>\n%s</div>\n",
1342 		    rc->commit_id,
1343 		    author,
1344 		    age,
1345 		    msg);
1346 		if (r == -1)
1347 			goto done;
1348 
1349 		r = fcgi_printf(c, "<div class='navs_wrapper'>\n"
1350 		    "<div class='navs'>"
1351 		    "<a href='?index_page=%s&path=%s&action=diff&commit=%s'>"
1352 		    "diff</a>"
1353 		    " | "
1354 		    "<a href='?index_page=%s&path=%s&action=tree&commit=%s'>"
1355 		    "tree</a>"
1356 		    "</div>\n"	/* .navs */
1357 		    "</div>\n"	/* .navs_wrapper */
1358 		    "<div class='dotted_line'></div>\n",
1359 		    index_page_str, repo_dir->name, rc->commit_id,
1360 		    index_page_str, repo_dir->name, rc->commit_id);
1361 		if (r == -1)
1362 			goto done;
1363 
1364 		free(age);
1365 		age = NULL;
1366 		free(author);
1367 		author = NULL;
1368 		free(msg);
1369 		msg = NULL;
1370 	}
1371 
1372 	if (t->next_id || t->prev_id) {
1373 		error = gotweb_render_navs(c);
1374 		if (error)
1375 			goto done;
1376 	}
1377 	fcgi_printf(c, "</div>\n"); /* .commits_content */
1378 done:
1379 	free(age);
1380 	free(author);
1381 	free(msg);
1382 	return error;
1383 }
1384 
1385 static const struct got_error *
1386 gotweb_render_branches(struct request *c)
1387 {
1388 	const struct got_error *error = NULL;
1389 	struct got_reflist_head refs;
1390 	struct got_reflist_entry *re;
1391 	struct transport *t = c->t;
1392 	struct querystring *qs = t->qs;
1393 	struct got_repository *repo = t->repo;
1394 	const char *index_page_str;
1395 	char *age = NULL;
1396 	int r;
1397 
1398 	index_page_str = qs->index_page_str ? qs->index_page_str : "";
1399 
1400 	TAILQ_INIT(&refs);
1401 
1402 	error = got_ref_list(&refs, repo, "refs/heads",
1403 	    got_ref_cmp_by_name, NULL);
1404 	if (error)
1405 		goto done;
1406 
1407 	r = fcgi_printf(c, "<div id='branches_title_wrapper'>\n"
1408 	    "<div id='branches_title'>Branches</div>\n"
1409 	    "</div>\n"	/* #branches_title_wrapper */
1410 	    "<div id='branches_content'>\n");
1411 	if (r == -1)
1412 		goto done;
1413 
1414 	TAILQ_FOREACH(re, &refs, entry) {
1415 		const char *refname = NULL;
1416 		char *escaped_refname = NULL;
1417 
1418 		if (got_ref_is_symbolic(re->ref))
1419 			continue;
1420 
1421 		refname = got_ref_get_name(re->ref);
1422 		if (refname == NULL) {
1423 			error = got_error_from_errno("strdup");
1424 			goto done;
1425 		}
1426 		if (strncmp(refname, "refs/heads/", 11) != 0)
1427 			continue;
1428 
1429 		error = got_get_repo_age(&age, c, qs->path, refname,
1430 		    TM_DIFF);
1431 		if (error)
1432 			goto done;
1433 
1434 		if (strncmp(refname, "refs/heads/", 11) == 0)
1435 			refname += 11;
1436 		error = gotweb_escape_html(&escaped_refname, refname);
1437 		if (error)
1438 			goto done;
1439 
1440 		r = fcgi_printf(c, "<div class='branches_wrapper'>\n"
1441 		    "<div class='branches_age'>%s</div>\n"
1442 		    "<div class='branches_space'>&nbsp;</div>\n"
1443 		    "<div class='branch'>"
1444 		    "<a href='?index_page=%s&path=%s&action=summary&headref=%s'>"
1445 		    "%s</a>"
1446 		    "</div>\n"	/* .branch */
1447 		    "<div class='navs_wrapper'>\n"
1448 		    "<div class='navs'>"
1449 		    "<a href='?index_page=%s&path=%s&action=summary&headref=%s'>"
1450 		    "summary</a>"
1451 		    " | "
1452 		    "<a href='?index_page=%s&path=%s&action=briefs&headref=%s'>"
1453 		    "commit briefs</a>"
1454 		    " | "
1455 		    "<a href='?index_page=%s&path=%s&action=commits&headref=%s'>"
1456 		    "commits</a>"
1457 		    "</div>\n"	/* .navs */
1458 		    "</div>\n"	/* .navs_wrapper */
1459 		    "<div class='dotted_line'></div>\n"
1460 		    "</div>\n",	/* .branches_wrapper */
1461 		    age ? age : "",
1462 		    index_page_str, qs->path, refname,
1463 		    escaped_refname,
1464 		    index_page_str, qs->path, refname,
1465 		    index_page_str, qs->path, refname,
1466 		    index_page_str, qs->path, refname);
1467 		free(escaped_refname);
1468 		if (r == -1)
1469 			goto done;
1470 
1471 		free(age);
1472 		age = NULL;
1473 
1474 	}
1475 	fcgi_printf(c, "</div>\n"); /* #branches_content */
1476 done:
1477 	return error;
1478 }
1479 
1480 static const struct got_error *
1481 gotweb_render_tree(struct request *c)
1482 {
1483 	const struct got_error *error = NULL;
1484 	struct transport *t = c->t;
1485 	struct repo_commit *rc = NULL;
1486 	char *age = NULL, *msg = NULL;
1487 	int r;
1488 
1489 	error = got_get_repo_commits(c, 1);
1490 	if (error)
1491 		return error;
1492 
1493 	rc = TAILQ_FIRST(&t->repo_commits);
1494 
1495 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1496 	if (error)
1497 		goto done;
1498 
1499 	error = gotweb_escape_html(&msg, rc->commit_msg);
1500 	if (error)
1501 		goto done;
1502 
1503 	r = fcgi_printf(c, "<div id='tree_title_wrapper'>\n"
1504 	    "<div id='tree_title'>Tree</div>\n"
1505 	    "</div>\n"		/* #tree_title_wrapper */
1506 	    "<div id='tree_content'>\n"
1507 	    "<div id='tree_header_wrapper'>\n"
1508 	    "<div id='tree_header'>\n"
1509 	    "<div id='header_tree_title'>Tree:</div>\n"
1510 	    "<div id='header_tree'>%s</div>\n"
1511 	    "<div class='header_age_title'>Date:</div>\n"
1512 	    "<div class='header_age'>%s</div>\n"
1513 	    "<div id='header_commit_msg_title'>Message:</div>\n"
1514 	    "<div id='header_commit_msg'>%s</div>\n"
1515 	    "</div>\n"		/* #tree_header */
1516 	    "</div>\n"		/* #tree_header_wrapper */
1517 	    "<div class='dotted_line'></div>\n"
1518 	    "<div id='tree'>\n",
1519 	    rc->tree_id,
1520 	    age,
1521 	    msg);
1522 	if (r == -1)
1523 		goto done;
1524 
1525 	error = got_output_repo_tree(c);
1526 	if (error)
1527 		goto done;
1528 
1529 	fcgi_printf(c, "</div>\n"); /* #tree */
1530 	fcgi_printf(c, "</div>\n"); /* #tree_content */
1531 done:
1532 	free(age);
1533 	free(msg);
1534 	return error;
1535 }
1536 
1537 static const struct got_error *
1538 gotweb_render_diff(struct request *c)
1539 {
1540 	const struct got_error *error = NULL;
1541 	struct transport *t = c->t;
1542 	struct repo_commit *rc = NULL;
1543 	char *age = NULL, *author = NULL, *msg = NULL;
1544 	int r;
1545 
1546 	error = got_get_repo_commits(c, 1);
1547 	if (error)
1548 		return error;
1549 
1550 	rc = TAILQ_FIRST(&t->repo_commits);
1551 
1552 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1553 	if (error)
1554 		goto done;
1555 	error = gotweb_escape_html(&author, rc->author);
1556 	if (error)
1557 		goto done;
1558 	error = gotweb_escape_html(&msg, rc->commit_msg);
1559 	if (error)
1560 		goto done;
1561 
1562 	r = fcgi_printf(c, "<div id='diff_title_wrapper'>\n"
1563 	    "<div id='diff_title'>Commit Diff</div>\n"
1564 	    "</div>\n"		/* #diff_title_wrapper */
1565 	    "<div id='diff_content'>\n"
1566 	    "<div id='diff_header_wrapper'>\n"
1567 	    "<div id='diff_header'>\n"
1568 	    "<div id='header_diff_title'>Diff:</div>\n"
1569 	    "<div id='header_diff'>%s<br />%s</div>\n"
1570 	    "<div class='header_commit_title'>Commit:</div>\n"
1571 	    "<div class='header_commit'>%s</div>\n"
1572 	    "<div id='header_tree_title'>Tree:</div>\n"
1573 	    "<div id='header_tree'>%s</div>\n"
1574 	    "<div class='header_author_title'>Author:</div>\n"
1575 	    "<div class='header_author'>%s</div>\n"
1576 	    "<div class='header_age_title'>Date:</div>\n"
1577 	    "<div class='header_age'>%s</div>\n"
1578 	    "<div id='header_commit_msg_title'>Message:</div>\n"
1579 	    "<div id='header_commit_msg'>%s</div>\n"
1580 	    "</div>\n"		/* #diff_header */
1581 	    "</div>\n"		/* #diff_header_wrapper */
1582 	    "<div class='dotted_line'></div>\n"
1583 	    "<div id='diff'>\n",
1584 	    rc->parent_id, rc->commit_id,
1585 	    rc->commit_id,
1586 	    rc->tree_id,
1587 	    author,
1588 	    age,
1589 	    msg);
1590 	if (r == -1)
1591 		goto done;
1592 
1593 	error = got_output_repo_diff(c);
1594 	if (error)
1595 		goto done;
1596 
1597 	fcgi_printf(c, "</div>\n"); /* #diff */
1598 	fcgi_printf(c, "</div>\n"); /* #diff_content */
1599 done:
1600 	free(age);
1601 	free(author);
1602 	free(msg);
1603 	return error;
1604 }
1605 
1606 static const struct got_error *
1607 gotweb_render_summary(struct request *c)
1608 {
1609 	const struct got_error *error = NULL;
1610 	struct transport *t = c->t;
1611 	struct server *srv = c->srv;
1612 	int r;
1613 
1614 	if (fcgi_printf(c, "<div id='summary_wrapper'>\n") == -1)
1615 		goto done;
1616 
1617 	if (srv->show_repo_description) {
1618 		r = fcgi_printf(c,
1619 		    "<div id='description_title'>Description:</div>\n"
1620 		    "<div id='description'>%s</div>\n",
1621 		    t->repo_dir->description ? t->repo_dir->description : "");
1622 		if (r == -1)
1623 			goto done;
1624 	}
1625 
1626 	if (srv->show_repo_owner) {
1627 		r = fcgi_printf(c,
1628 		    "<div id='repo_owner_title'>Owner:</div>\n"
1629 		    "<div id='repo_owner'>%s</div>\n",
1630 		    t->repo_dir->owner ? t->repo_dir->owner : "");
1631 		if (r == -1)
1632 			goto done;
1633 	}
1634 
1635 	if (srv->show_repo_age) {
1636 		r = fcgi_printf(c,
1637 		    "<div id='last_change_title'>Last Change:</div>\n"
1638 		    "<div id='last_change'>%s</div>\n",
1639 		    t->repo_dir->age);
1640 		if (r == -1)
1641 			goto done;
1642 	}
1643 
1644 	if (srv->show_repo_cloneurl) {
1645 		r = fcgi_printf(c,
1646 		    "<div id='cloneurl_title'>Clone URL:</div>\n"
1647 		    "<div id='cloneurl'>%s</div>\n",
1648 		    t->repo_dir->url ? t->repo_dir->url : "");
1649 		if (r == -1)
1650 			goto done;
1651 	}
1652 
1653 	r = fcgi_printf(c, "</div>\n"); /* #summary_wrapper */
1654 	if (r == -1)
1655 		goto done;
1656 
1657 	error = gotweb_render_briefs(c);
1658 	if (error) {
1659 		log_warnx("%s: %s", __func__, error->msg);
1660 		goto done;
1661 	}
1662 
1663 	error = gotweb_render_tags(c);
1664 	if (error) {
1665 		log_warnx("%s: %s", __func__, error->msg);
1666 		goto done;
1667 	}
1668 
1669 	error = gotweb_render_branches(c);
1670 	if (error)
1671 		log_warnx("%s: %s", __func__, error->msg);
1672 done:
1673 	return error;
1674 }
1675 
1676 static const struct got_error *
1677 gotweb_render_tag(struct request *c)
1678 {
1679 	const struct got_error *error = NULL;
1680 	struct repo_tag *rt = NULL;
1681 	struct transport *t = c->t;
1682 	char *tagname = NULL, *age = NULL, *author = NULL, *msg = NULL;
1683 
1684 	error = got_get_repo_tags(c, 1);
1685 	if (error)
1686 		goto done;
1687 
1688 	if (t->tag_count == 0) {
1689 		error = got_error_set_errno(GOT_ERR_BAD_OBJ_ID,
1690 		    "bad commit id");
1691 		goto done;
1692 	}
1693 
1694 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
1695 
1696 	error = gotweb_get_time_str(&age, rt->tagger_time, TM_LONG);
1697 	if (error)
1698 		goto done;
1699 	error = gotweb_escape_html(&author, rt->tagger);
1700 	if (error)
1701 		goto done;
1702 	error = gotweb_escape_html(&msg, rt->commit_msg);
1703 	if (error)
1704 		goto done;
1705 
1706 	tagname = rt->tag_name;
1707 	if (strncmp(tagname, "refs/", 5) == 0)
1708 		tagname += 5;
1709 	error = gotweb_escape_html(&tagname, tagname);
1710 	if (error)
1711 		goto done;
1712 
1713 	fcgi_printf(c, "<div id='tags_title_wrapper'>\n"
1714 	    "<div id='tags_title'>Tag</div>\n"
1715 	    "</div>\n"		/* #tags_title_wrapper */
1716 	    "<div id='tags_content'>\n"
1717 	    "<div id='tag_header_wrapper'>\n"
1718 	    "<div id='tag_header'>\n"
1719 	    "<div class='header_commit_title'>Commit:</div>\n"
1720 	    "<div class='header_commit'>%s"
1721 	    " <span class='refs_str'>(%s)</span></div>\n"
1722 	    "<div class='header_author_title'>Tagger:</div>\n"
1723 	    "<div class='header_author'>%s</div>\n"
1724 	    "<div class='header_age_title'>Date:</div>\n"
1725 	    "<div class='header_age'>%s</div>\n"
1726 	    "<div id='header_commit_msg_title'>Message:</div>\n"
1727 	    "<div id='header_commit_msg'>%s</div>\n"
1728 	    "</div>\n"		/* #tag_header */
1729 	    "<div class='dotted_line'></div>\n"
1730 	    "<div id='tag_commit'>\n%s</div>"
1731 	    "</div>",		/* tag_header_wrapper */
1732 	    rt->commit_id,
1733 	    tagname,
1734 	    author,
1735 	    age,
1736 	    msg,
1737 	    rt->tag_commit);
1738 
1739 done:
1740 	free(age);
1741 	free(author);
1742 	free(msg);
1743 	return error;
1744 }
1745 
1746 static const struct got_error *
1747 gotweb_render_tags(struct request *c)
1748 {
1749 	const struct got_error *error = NULL;
1750 	struct repo_tag *rt = NULL;
1751 	struct server *srv = c->srv;
1752 	struct transport *t = c->t;
1753 	struct querystring *qs = t->qs;
1754 	struct repo_dir *repo_dir = t->repo_dir;
1755 	const char *index_page_str;
1756 	char *age = NULL, *tagname = NULL, *msg = NULL, *newline;
1757 	int r, commit_found = 0;
1758 
1759 	index_page_str = qs->index_page_str ? qs->index_page_str : "";
1760 
1761 	if (qs->action == BRIEFS) {
1762 		qs->action = TAGS;
1763 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
1764 	} else
1765 		error = got_get_repo_tags(c, srv->max_commits_display);
1766 	if (error)
1767 		goto done;
1768 
1769 	r = fcgi_printf(c, "<div id='tags_title_wrapper'>\n"
1770 	    "<div id='tags_title'>Tags</div>\n"
1771 	    "</div>\n"		/* #tags_title_wrapper */
1772 	    "<div id='tags_content'>\n");
1773 	if (r == -1)
1774 		goto done;
1775 
1776 	if (t->tag_count == 0) {
1777 		r = fcgi_printf(c, "<div id='err_content'>%s\n</div>\n",
1778 		    "This repository contains no tags");
1779 		if (r == -1)
1780 			goto done;
1781 	}
1782 
1783 	TAILQ_FOREACH(rt, &t->repo_tags, entry) {
1784 		if (commit_found == 0 && qs->commit != NULL) {
1785 			if (strcmp(qs->commit, rt->commit_id) != 0)
1786 				continue;
1787 			else
1788 				commit_found = 1;
1789 		}
1790 		error = gotweb_get_time_str(&age, rt->tagger_time, TM_DIFF);
1791 		if (error)
1792 			goto done;
1793 
1794 		tagname = rt->tag_name;
1795 		if (strncmp(tagname, "refs/tags/", 10) == 0)
1796 			tagname += 10;
1797 		error = gotweb_escape_html(&tagname, tagname);
1798 		if (error)
1799 			goto done;
1800 
1801 		if (rt->tag_commit != NULL) {
1802 			newline = strchr(rt->tag_commit, '\n');
1803 			if (newline)
1804 				*newline = '\0';
1805 			error = gotweb_escape_html(&msg, rt->tag_commit);
1806 			if (error)
1807 				goto done;
1808 		}
1809 
1810 		r = fcgi_printf(c, "<div class='tag_age'>%s</div>\n"
1811 		    "<div class='tag'>%s</div>\n"
1812 		    "<div class='tag_log'>"
1813 		    "<a href='?index_page=%s&path=%s&action=tag&commit=%s'>"
1814 		    "%s</a>"
1815 		    "</div>\n"	/* .tag_log */
1816 		    "<div class='navs_wrapper'>\n"
1817 		    "<div class='navs'>"
1818 		    "<a href='?index_page=%s&path=%s&action=tag&commit=%s'>"
1819 		    "tag</a>"
1820 		    " | "
1821 		    "<a href='?index_page=%s&path=%s&action=briefs&commit=%s'>"
1822 		    "commit briefs</a>"
1823 		    " | "
1824 		    "<a href='?index_page=%s&path=%s&action=commits&commit=%s'>"
1825 		    "commits</a>"
1826 		    "</div>\n"	/* .navs */
1827 		    "</div>\n"	/* .navs_wrapper */
1828 		    "<div class='dotted_line'></div>\n",
1829 		    age,
1830 		    tagname,
1831 		    index_page_str, repo_dir->name, rt->commit_id,
1832 		    msg ? msg : "",
1833 		    index_page_str, repo_dir->name, rt->commit_id,
1834 		    index_page_str, repo_dir->name, rt->commit_id,
1835 		    index_page_str, repo_dir->name, rt->commit_id);
1836 		if (r == -1)
1837 			goto done;
1838 
1839 		free(age);
1840 		age = NULL;
1841 		free(tagname);
1842 		tagname = NULL;
1843 		free(msg);
1844 		msg = NULL;
1845 	}
1846 	if (t->next_id || t->prev_id) {
1847 		error = gotweb_render_navs(c);
1848 		if (error)
1849 			goto done;
1850 	}
1851 	fcgi_printf(c, "</div>\n"); /* #tags_content */
1852 done:
1853 	free(age);
1854 	free(tagname);
1855 	free(msg);
1856 	return error;
1857 }
1858 
1859 const struct got_error *
1860 gotweb_escape_html(char **escaped_html, const char *orig_html)
1861 {
1862 	const struct got_error *error = NULL;
1863 	struct escape_pair {
1864 		char c;
1865 		const char *s;
1866 	} esc[] = {
1867 		{ '>', "&gt;" },
1868 		{ '<', "&lt;" },
1869 		{ '&', "&amp;" },
1870 		{ '"', "&quot;" },
1871 		{ '\'', "&apos;" },
1872 		{ '\n', "<br />" },
1873 	};
1874 	size_t orig_len, len;
1875 	int i, j, x;
1876 
1877 	orig_len = strlen(orig_html);
1878 	len = orig_len;
1879 	for (i = 0; i < orig_len; i++) {
1880 		for (j = 0; j < nitems(esc); j++) {
1881 			if (orig_html[i] != esc[j].c)
1882 				continue;
1883 			len += strlen(esc[j].s) - 1 /* escaped char */;
1884 		}
1885 	}
1886 
1887 	*escaped_html = calloc(len + 1 /* NUL */, sizeof(**escaped_html));
1888 	if (*escaped_html == NULL)
1889 		return got_error_from_errno("calloc");
1890 
1891 	x = 0;
1892 	for (i = 0; i < orig_len; i++) {
1893 		int escaped = 0;
1894 		for (j = 0; j < nitems(esc); j++) {
1895 			if (orig_html[i] != esc[j].c)
1896 				continue;
1897 
1898 			if (strlcat(*escaped_html, esc[j].s, len + 1)
1899 			    >= len + 1) {
1900 				error = got_error(GOT_ERR_NO_SPACE);
1901 				goto done;
1902 			}
1903 			x += strlen(esc[j].s);
1904 			escaped = 1;
1905 			break;
1906 		}
1907 		if (!escaped) {
1908 			(*escaped_html)[x] = orig_html[i];
1909 			x++;
1910 		}
1911 	}
1912 done:
1913 	if (error) {
1914 		free(*escaped_html);
1915 		*escaped_html = NULL;
1916 	} else {
1917 		(*escaped_html)[x] = '\0';
1918 	}
1919 
1920 	return error;
1921 }
1922 
1923 static struct got_repository *
1924 find_cached_repo(struct server *srv, const char *path)
1925 {
1926 	int i;
1927 
1928 	for (i = 0; i < srv->ncached_repos; i++) {
1929 		if (strcmp(srv->cached_repos[i].path, path) == 0)
1930 			return srv->cached_repos[i].repo;
1931 	}
1932 
1933 	return NULL;
1934 }
1935 
1936 static const struct got_error *
1937 cache_repo(struct got_repository **new, struct server *srv,
1938     struct repo_dir *repo_dir, struct socket *sock)
1939 {
1940 	const struct got_error *error = NULL;
1941 	struct got_repository *repo;
1942 	struct cached_repo *cr;
1943 	int evicted = 0;
1944 
1945 	if (srv->ncached_repos >= nitems(srv->cached_repos)) {
1946 		cr = &srv->cached_repos[srv->ncached_repos - 1];
1947 		error = got_repo_close(cr->repo);
1948 		memset(cr, 0, sizeof(*cr));
1949 		srv->ncached_repos--;
1950 		if (error)
1951 			return error;
1952 		memmove(&srv->cached_repos[1], &srv->cached_repos[0],
1953 		    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1954 		cr = &srv->cached_repos[0];
1955 		evicted = 1;
1956 	} else {
1957 		cr = &srv->cached_repos[srv->ncached_repos];
1958 	}
1959 
1960 	error = got_repo_open(&repo, repo_dir->path, NULL, sock->pack_fds);
1961 	if (error) {
1962 		if (evicted) {
1963 			memmove(&srv->cached_repos[0], &srv->cached_repos[1],
1964 			    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1965 		}
1966 		return error;
1967 	}
1968 
1969 	if (strlcpy(cr->path, repo_dir->path, sizeof(cr->path))
1970 	    >= sizeof(cr->path)) {
1971 		if (evicted) {
1972 			memmove(&srv->cached_repos[0], &srv->cached_repos[1],
1973 			    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1974 		}
1975 		return got_error(GOT_ERR_NO_SPACE);
1976 	}
1977 
1978 	cr->repo = repo;
1979 	srv->ncached_repos++;
1980 	*new = repo;
1981 	return NULL;
1982 }
1983 
1984 static const struct got_error *
1985 gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
1986 {
1987 	const struct got_error *error = NULL;
1988 	struct socket *sock = c->sock;
1989 	struct server *srv = c->srv;
1990 	struct transport *t = c->t;
1991 	struct got_repository *repo = NULL;
1992 	DIR *dt;
1993 	char *dir_test;
1994 
1995 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
1996 	    GOTWEB_GIT_DIR) == -1)
1997 		return got_error_from_errno("asprintf");
1998 
1999 	dt = opendir(dir_test);
2000 	if (dt == NULL) {
2001 		free(dir_test);
2002 	} else {
2003 		repo_dir->path = dir_test;
2004 		dir_test = NULL;
2005 		goto done;
2006 	}
2007 
2008 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
2009 	    repo_dir->name) == -1)
2010 		return got_error_from_errno("asprintf");
2011 
2012 	dt = opendir(dir_test);
2013 	if (dt == NULL) {
2014 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
2015 		goto err;
2016 	} else {
2017 		repo_dir->path = dir_test;
2018 		dir_test = NULL;
2019 	}
2020 
2021 done:
2022 	repo = find_cached_repo(srv, repo_dir->path);
2023 	if (repo == NULL) {
2024 		error = cache_repo(&repo, srv, repo_dir, sock);
2025 		if (error)
2026 			goto err;
2027 	}
2028 	t->repo = repo;
2029 	error = gotweb_get_repo_description(&repo_dir->description, srv,
2030 	    repo_dir->path);
2031 	if (error)
2032 		goto err;
2033 	error = got_get_repo_owner(&repo_dir->owner, c, repo_dir->path);
2034 	if (error)
2035 		goto err;
2036 	error = got_get_repo_age(&repo_dir->age, c, repo_dir->path,
2037 	    NULL, TM_DIFF);
2038 	if (error)
2039 		goto err;
2040 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path);
2041 err:
2042 	free(dir_test);
2043 	if (dt != NULL && closedir(dt) == EOF && error == NULL)
2044 		error = got_error_from_errno("closedir");
2045 	return error;
2046 }
2047 
2048 static const struct got_error *
2049 gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
2050 {
2051 	const struct got_error *error;
2052 
2053 	*repo_dir = calloc(1, sizeof(**repo_dir));
2054 	if (*repo_dir == NULL)
2055 		return got_error_from_errno("calloc");
2056 
2057 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
2058 		error = got_error_from_errno("asprintf");
2059 		free(*repo_dir);
2060 		*repo_dir = NULL;
2061 		return error;
2062 	}
2063 	(*repo_dir)->owner = NULL;
2064 	(*repo_dir)->description = NULL;
2065 	(*repo_dir)->url = NULL;
2066 	(*repo_dir)->age = NULL;
2067 	(*repo_dir)->path = NULL;
2068 
2069 	return NULL;
2070 }
2071 
2072 static const struct got_error *
2073 gotweb_get_repo_description(char **description, struct server *srv, char *dir)
2074 {
2075 	const struct got_error *error = NULL;
2076 	FILE *f = NULL;
2077 	char *d_file = NULL;
2078 	unsigned int len;
2079 	size_t n;
2080 
2081 	*description = NULL;
2082 	if (srv->show_repo_description == 0)
2083 		return NULL;
2084 
2085 	if (asprintf(&d_file, "%s/description", dir) == -1)
2086 		return got_error_from_errno("asprintf");
2087 
2088 	f = fopen(d_file, "r");
2089 	if (f == NULL) {
2090 		if (errno != ENOENT && errno != EACCES)
2091 			error = got_error_from_errno2("fopen", d_file);
2092 		goto done;
2093 	}
2094 
2095 	if (fseek(f, 0, SEEK_END) == -1) {
2096 		error = got_ferror(f, GOT_ERR_IO);
2097 		goto done;
2098 	}
2099 	len = ftell(f);
2100 	if (len == -1) {
2101 		error = got_ferror(f, GOT_ERR_IO);
2102 		goto done;
2103 	}
2104 
2105 	if (len == 0) {
2106 		*description = strdup("");
2107 		if (*description == NULL)
2108 			error = got_error_from_errno("strdup");
2109 		goto done;
2110 	}
2111 
2112 	if (fseek(f, 0, SEEK_SET) == -1) {
2113 		error = got_ferror(f, GOT_ERR_IO);
2114 		goto done;
2115 	}
2116 	*description = calloc(len + 1, sizeof(**description));
2117 	if (*description == NULL) {
2118 		error = got_error_from_errno("calloc");
2119 		goto done;
2120 	}
2121 
2122 	n = fread(*description, 1, len, f);
2123 	if (n == 0 && ferror(f))
2124 		error = got_ferror(f, GOT_ERR_IO);
2125 done:
2126 	if (f != NULL && fclose(f) == EOF && error == NULL)
2127 		error = got_error_from_errno("fclose");
2128 	free(d_file);
2129 	return error;
2130 }
2131 
2132 static const struct got_error *
2133 gotweb_get_clone_url(char **url, struct server *srv, char *dir)
2134 {
2135 	const struct got_error *error = NULL;
2136 	FILE *f;
2137 	char *d_file = NULL;
2138 	unsigned int len;
2139 	size_t n;
2140 
2141 	*url = NULL;
2142 
2143 	if (srv->show_repo_cloneurl == 0)
2144 		return NULL;
2145 
2146 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2147 		return got_error_from_errno("asprintf");
2148 
2149 	f = fopen(d_file, "r");
2150 	if (f == NULL) {
2151 		if (errno != ENOENT && errno != EACCES)
2152 			error = got_error_from_errno2("fopen", d_file);
2153 		goto done;
2154 	}
2155 
2156 	if (fseek(f, 0, SEEK_END) == -1) {
2157 		error = got_ferror(f, GOT_ERR_IO);
2158 		goto done;
2159 	}
2160 	len = ftell(f);
2161 	if (len == -1) {
2162 		error = got_ferror(f, GOT_ERR_IO);
2163 		goto done;
2164 	}
2165 	if (len == 0)
2166 		goto done;
2167 
2168 	if (fseek(f, 0, SEEK_SET) == -1) {
2169 		error = got_ferror(f, GOT_ERR_IO);
2170 		goto done;
2171 	}
2172 
2173 	*url = calloc(len + 1, sizeof(**url));
2174 	if (*url == NULL) {
2175 		error = got_error_from_errno("calloc");
2176 		goto done;
2177 	}
2178 
2179 	n = fread(*url, 1, len, f);
2180 	if (n == 0 && ferror(f))
2181 		error = got_ferror(f, GOT_ERR_IO);
2182 done:
2183 	if (f != NULL && fclose(f) == EOF && error == NULL)
2184 		error = got_error_from_errno("fclose");
2185 	free(d_file);
2186 	return error;
2187 }
2188 
2189 const struct got_error *
2190 gotweb_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2191 {
2192 	struct tm tm;
2193 	long long diff_time;
2194 	const char *years = "years ago", *months = "months ago";
2195 	const char *weeks = "weeks ago", *days = "days ago";
2196 	const char *hours = "hours ago",  *minutes = "minutes ago";
2197 	const char *seconds = "seconds ago", *now = "right now";
2198 	char *s;
2199 	char datebuf[29];
2200 
2201 	*repo_age = NULL;
2202 
2203 	switch (ref_tm) {
2204 	case TM_DIFF:
2205 		diff_time = time(NULL) - committer_time;
2206 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2207 			if (asprintf(repo_age, "%lld %s",
2208 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2209 				return got_error_from_errno("asprintf");
2210 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2211 			if (asprintf(repo_age, "%lld %s",
2212 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2213 			    months) == -1)
2214 				return got_error_from_errno("asprintf");
2215 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2216 			if (asprintf(repo_age, "%lld %s",
2217 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2218 				return got_error_from_errno("asprintf");
2219 		} else if (diff_time > 60 * 60 * 24 * 2) {
2220 			if (asprintf(repo_age, "%lld %s",
2221 			    (diff_time / 60 / 60 / 24), days) == -1)
2222 				return got_error_from_errno("asprintf");
2223 		} else if (diff_time > 60 * 60 * 2) {
2224 			if (asprintf(repo_age, "%lld %s",
2225 			    (diff_time / 60 / 60), hours) == -1)
2226 				return got_error_from_errno("asprintf");
2227 		} else if (diff_time > 60 * 2) {
2228 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2229 			    minutes) == -1)
2230 				return got_error_from_errno("asprintf");
2231 		} else if (diff_time > 2) {
2232 			if (asprintf(repo_age, "%lld %s", diff_time,
2233 			    seconds) == -1)
2234 				return got_error_from_errno("asprintf");
2235 		} else {
2236 			if (asprintf(repo_age, "%s", now) == -1)
2237 				return got_error_from_errno("asprintf");
2238 		}
2239 		break;
2240 	case TM_LONG:
2241 		if (gmtime_r(&committer_time, &tm) == NULL)
2242 			return got_error_from_errno("gmtime_r");
2243 
2244 		s = asctime_r(&tm, datebuf);
2245 		if (s == NULL)
2246 			return got_error_from_errno("asctime_r");
2247 
2248 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2249 			return got_error_from_errno("asprintf");
2250 		break;
2251 	}
2252 	return NULL;
2253 }