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