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 *, 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 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 		goto err;
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->document_root, 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 		gotweb_free_querystring(qs);
149 		log_warnx("%s: %s", __func__, error->msg);
150 		goto err;
151 	}
152 
153 	/*
154 	 * certain actions require a commit id in the querystring. this stops
155 	 * bad actors from exploiting this by manually manipulating the
156 	 * querystring.
157 	 */
158 
159 	if (qs->commit == NULL && (qs->action == BLAME || qs->action == BLOB ||
160 	    qs->action == DIFF)) {
161 		error2 = got_error(GOT_ERR_QUERYSTRING);
162 		goto render;
163 	}
164 
165 	if (qs->action != INDEX) {
166 		error = gotweb_init_repo_dir(&repo_dir, qs->path);
167 		if (error)
168 			goto done;
169 		error = gotweb_load_got_path(c, repo_dir);
170 		c->t->repo_dir = repo_dir;
171 		if (error && error->code != GOT_ERR_LONELY_PACKIDX)
172 			goto err;
173 	}
174 
175 	/* render top of page */
176 	if (qs != NULL && qs->action == BLOB) {
177 		error = got_get_repo_commits(c, 1);
178 		if (error)
179 			goto done;
180 		error = got_output_file_blob(c);
181 		if (error) {
182 			log_warnx("%s: %s", __func__, error->msg);
183 			goto err;
184 		}
185 		goto done;
186 	} else {
187 render:
188 		error = gotweb_render_content_type(c, "text/html");
189 		if (error) {
190 			log_warnx("%s: %s", __func__, error->msg);
191 			goto err;
192 		}
193 		html = 1;
194 	}
195 
196 	error = gotweb_render_header(c);
197 	if (error) {
198 		log_warnx("%s: %s", __func__, error->msg);
199 		goto err;
200 	}
201 
202 	if (error2) {
203 		error = error2;
204 		goto err;
205 	}
206 
207 	switch(qs->action) {
208 	case BLAME:
209 		error = gotweb_render_blame(c);
210 		if (error) {
211 			log_warnx("%s: %s", __func__, error->msg);
212 			goto err;
213 		}
214 		break;
215 	case BRIEFS:
216 		error = gotweb_render_briefs(c);
217 		if (error) {
218 			log_warnx("%s: %s", __func__, error->msg);
219 			goto err;
220 		}
221 		break;
222 	case COMMITS:
223 		error = gotweb_render_commits(c);
224 		if (error) {
225 			log_warnx("%s: %s", __func__, error->msg);
226 			goto err;
227 		}
228 		break;
229 	case DIFF:
230 		error = gotweb_render_diff(c);
231 		if (error) {
232 			log_warnx("%s: %s", __func__, error->msg);
233 			goto err;
234 		}
235 		break;
236 	case INDEX:
237 		error = gotweb_render_index(c);
238 		if (error) {
239 			log_warnx("%s: %s", __func__, error->msg);
240 			goto err;
241 		}
242 		break;
243 	case SUMMARY:
244 		error = gotweb_render_summary(c);
245 		if (error) {
246 			log_warnx("%s: %s", __func__, error->msg);
247 			goto err;
248 		}
249 		break;
250 	case TAG:
251 		error = gotweb_render_tag(c);
252 		if (error) {
253 			log_warnx("%s: %s", __func__, error->msg);
254 			goto err;
255 		}
256 		break;
257 	case TAGS:
258 		error = gotweb_render_tags(c);
259 		if (error) {
260 			log_warnx("%s: %s", __func__, error->msg);
261 			goto err;
262 		}
263 		break;
264 	case TREE:
265 		error = gotweb_render_tree(c);
266 		if (error) {
267 			log_warnx("%s: %s", __func__, error->msg);
268 			goto err;
269 		}
270 		break;
271 	case ERR:
272 	default:
273 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
274 			goto err;
275 		if (fcgi_gen_response(c, "Error: Bad Querystring\n") == -1)
276 			goto err;
277 		if (fcgi_gen_response(c, "</div>\n") == -1)
278 			goto err;
279 		break;
280 	}
281 
282 	goto done;
283 err:
284 	if (html && fcgi_gen_response(c, "<div id='err_content'>") == -1)
285 		return;
286 	if (fcgi_gen_response(c, err) == -1)
287 		return;
288 	if (error) {
289 		if (fcgi_gen_response(c, (uint8_t *)error->msg) == -1)
290 			return;
291 	} else {
292 		if (fcgi_gen_response(c, "see daemon logs for details") == -1)
293 			return;
294 	}
295 	if (html && fcgi_gen_response(c, "</div>\n") == -1)
296 		return;
297 done:
298 	if (c->t->repo != NULL && qs->action != INDEX)
299 		got_repo_close(c->t->repo);
300 	if (html && srv != NULL)
301 		gotweb_render_footer(c);
302 }
303 
304 struct server *
305 gotweb_get_server(uint8_t *server_name, uint8_t *document_root,
306     uint8_t *subdomain)
307 {
308 	struct server *srv = NULL;
309 
310 	/* check against document_root first */
311 	if (strlen(server_name) > 0)
312 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
313 			if (strcmp(srv->name, server_name) == 0)
314 				goto done;
315 
316 	/* check against document_root second */
317 	if (strlen(document_root) > 0)
318 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
319 			if (strcmp(srv->name, document_root) == 0)
320 				goto done;
321 
322 	/* check against subdomain third */
323 	if (strlen(subdomain) > 0)
324 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
325 			if (strcmp(srv->name, subdomain) == 0)
326 				goto done;
327 
328 	/* if those fail, send first server */
329 	TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
330 		if (srv != NULL)
331 			break;
332 done:
333 	return srv;
334 };
335 
336 const struct got_error *
337 gotweb_init_transport(struct transport **t)
338 {
339 	const struct got_error *error = NULL;
340 
341 	*t = calloc(1, sizeof(**t));
342 	if (*t == NULL)
343 		return got_error_from_errno2("%s: calloc", __func__);
344 
345 	TAILQ_INIT(&(*t)->repo_commits);
346 	TAILQ_INIT(&(*t)->repo_tags);
347 
348 	(*t)->repo = NULL;
349 	(*t)->repo_dir = NULL;
350 	(*t)->qs = NULL;
351 	(*t)->next_id = NULL;
352 	(*t)->prev_id = NULL;
353 	(*t)->next_disp = 0;
354 	(*t)->prev_disp = 0;
355 
356 	return error;
357 }
358 
359 static const struct got_error *
360 gotweb_init_querystring(struct querystring **qs)
361 {
362 	const struct got_error *error = NULL;
363 
364 	*qs = calloc(1, sizeof(**qs));
365 	if (*qs == NULL)
366 		return got_error_from_errno2("%s: calloc", __func__);
367 
368 	(*qs)->action = INDEX;
369 	(*qs)->commit = NULL;
370 	(*qs)->file = NULL;
371 	(*qs)->folder = NULL;
372 	(*qs)->headref = strdup("HEAD");
373 	if ((*qs)->headref == NULL) {
374 		return got_error_from_errno2("%s: strdup", __func__);
375 	}
376 	(*qs)->index_page = 0;
377 	(*qs)->index_page_str = NULL;
378 	(*qs)->path = NULL;
379 
380 	return error;
381 }
382 
383 static const struct got_error *
384 gotweb_parse_querystring(struct querystring **qs, char *qst)
385 {
386 	const struct got_error *error = NULL;
387 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
388 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
389 
390 	if (qst == NULL)
391 		return error;
392 
393 	tok1 = strdup(qst);
394 	if (tok1 == NULL)
395 		return got_error_from_errno2("%s: strdup", __func__);
396 
397 	tok1_pair = tok1;
398 	tok1_end = tok1;
399 
400 	while (tok1_pair != NULL) {
401 		strsep(&tok1_end, "&");
402 
403 		tok2 = strdup(tok1_pair);
404 		if (tok2 == NULL) {
405 			free(tok1);
406 			return got_error_from_errno2("%s: strdup", __func__);
407 		}
408 
409 		tok2_pair = tok2;
410 		tok2_end = tok2;
411 
412 		while (tok2_pair != NULL) {
413 			strsep(&tok2_end, "=");
414 			if (tok2_end) {
415 				error = gotweb_assign_querystring(qs, tok2_pair,
416 				    tok2_end);
417 				if (error)
418 					goto err;
419 			}
420 			tok2_pair = tok2_end;
421 		}
422 		free(tok2);
423 		tok1_pair = tok1_end;
424 	}
425 	free(tok1);
426 	return error;
427 err:
428 	free(tok2);
429 	free(tok1);
430 	return error;
431 }
432 
433 static const struct got_error *
434 gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
435 {
436 	const struct got_error *error = NULL;
437 	const char *errstr;
438 	int a_cnt, el_cnt;
439 
440 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
441 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
442 			continue;
443 
444 		switch (querystring_keys[el_cnt].element) {
445 		case ACTION:
446 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
447 				if (strcmp(value, action_keys[a_cnt].name) != 0)
448 					continue;
449 				else if (strcmp(value,
450 				    action_keys[a_cnt].name) == 0){
451 					(*qs)->action =
452 					    action_keys[a_cnt].action;
453 					goto qa_found;
454 				}
455 			}
456 			(*qs)->action = ERR;
457 qa_found:
458 			break;
459 		case COMMIT:
460 			(*qs)->commit = strdup(value);
461 			if ((*qs)->commit == NULL) {
462 				error = got_error_from_errno2("%s: strdup",
463 				    __func__);
464 				goto done;
465 			}
466 			break;
467 		case RFILE:
468 			(*qs)->file = strdup(value);
469 			if ((*qs)->file == NULL) {
470 				error = got_error_from_errno2("%s: strdup",
471 				    __func__);
472 				goto done;
473 			}
474 			break;
475 		case FOLDER:
476 			(*qs)->folder = strdup(value);
477 			if ((*qs)->folder == NULL) {
478 				error = got_error_from_errno2("%s: strdup",
479 				    __func__);
480 				goto done;
481 			}
482 			break;
483 		case HEADREF:
484 			(*qs)->headref = strdup(value);
485 			if ((*qs)->headref == NULL) {
486 				error = got_error_from_errno2("%s: strdup",
487 				    __func__);
488 				goto done;
489 			}
490 			break;
491 		case INDEX_PAGE:
492 			if (strlen(value) == 0)
493 				break;
494 			(*qs)->index_page_str = strdup(value);
495 			if ((*qs)->index_page_str == NULL) {
496 				error = got_error_from_errno2("%s: strdup",
497 				    __func__);
498 				goto done;
499 			}
500 			(*qs)->index_page = strtonum(value, INT64_MIN,
501 			    INT64_MAX, &errstr);
502 			if (errstr) {
503 				error = got_error_from_errno3("%s: strtonum %s",
504 				    __func__, errstr);
505 				goto done;
506 			}
507 			if ((*qs)->index_page < 0) {
508 				(*qs)->index_page = 0;
509 				sprintf((*qs)->index_page_str, "%d", 0);
510 			}
511 			break;
512 		case PATH:
513 			(*qs)->path = strdup(value);
514 			if ((*qs)->path == NULL) {
515 				error = got_error_from_errno2("%s: strdup",
516 				    __func__);
517 				goto done;
518 			}
519 			break;
520 		case PAGE:
521 			if (strlen(value) == 0)
522 				break;
523 			(*qs)->page_str = strdup(value);
524 			if ((*qs)->page_str == NULL) {
525 				error = got_error_from_errno2("%s: strdup",
526 				    __func__);
527 				goto done;
528 			}
529 			(*qs)->page = strtonum(value, INT64_MIN,
530 			    INT64_MAX, &errstr);
531 			if (errstr) {
532 				error = got_error_from_errno3("%s: strtonum %s",
533 				    __func__, errstr);
534 				goto done;
535 			}
536 			if ((*qs)->page < 0) {
537 				(*qs)->page = 0;
538 				sprintf((*qs)->page_str, "%d", 0);
539 			}
540 			break;
541 		default:
542 			break;
543 		}
544 	}
545 done:
546 	return error;
547 }
548 
549 void
550 gotweb_free_repo_tag(struct repo_tag *rt)
551 {
552 	if (rt != NULL) {
553 		free(rt->commit_msg);
554 		free(rt->commit_id);
555 		free(rt->tagger);
556 	}
557 	free(rt);
558 }
559 
560 void
561 gotweb_free_repo_commit(struct repo_commit *rc)
562 {
563 	if (rc != NULL) {
564 		free(rc->path);
565 		free(rc->refs_str);
566 		free(rc->commit_id);
567 		free(rc->parent_id);
568 		free(rc->tree_id);
569 		free(rc->author);
570 		free(rc->committer);
571 		free(rc->commit_msg);
572 	}
573 	free(rc);
574 }
575 
576 static void
577 gotweb_free_querystring(struct querystring *qs)
578 {
579 	if (qs != NULL) {
580 		free(qs->commit);
581 		free(qs->file);
582 		free(qs->folder);
583 		free(qs->headref);
584 		free(qs->index_page_str);
585 		free(qs->path);
586 		free(qs->page_str);
587 	}
588 	free(qs);
589 }
590 
591 static void
592 gotweb_free_repo_dir(struct repo_dir *repo_dir)
593 {
594 	if (repo_dir != NULL) {
595 		free(repo_dir->name);
596 		free(repo_dir->owner);
597 		free(repo_dir->description);
598 		free(repo_dir->url);
599 		free(repo_dir->age);
600 		free(repo_dir->path);
601 	}
602 	free(repo_dir);
603 }
604 
605 void
606 gotweb_free_transport(struct transport *t)
607 {
608 	struct repo_commit *rc = NULL, *trc = NULL;
609 	struct repo_tag *rt = NULL, *trt = NULL;
610 
611 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
612 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
613 		gotweb_free_repo_commit(rc);
614 	}
615 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
616 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
617 		gotweb_free_repo_tag(rt);
618 	}
619 	gotweb_free_repo_dir(t->repo_dir);
620 	gotweb_free_querystring(t->qs);
621 	if (t != NULL) {
622 		free(t->next_id);
623 		free(t->prev_id);
624 	}
625 	free(t);
626 }
627 
628 const struct got_error *
629 gotweb_render_content_type(struct request *c, const uint8_t *type)
630 {
631 	const struct got_error *error = NULL;
632 	char *h = NULL;
633 
634 	if (asprintf(&h, "Content-type: %s\r\n\r\n", type) == -1) {
635 		error = got_error_from_errno2("%s: asprintf", __func__);
636 		goto done;
637 	}
638 
639 	fcgi_gen_response(c, h);
640 done:
641 	free(h);
642 
643 	return error;
644 }
645 
646 const struct got_error *
647 gotweb_render_content_type_file(struct request *c, const uint8_t *type,
648     char *file)
649 {
650 	const struct got_error *error = NULL;
651 	char *h = NULL;
652 
653 	if (asprintf(&h, "Content-type: %s\r\n"
654 	    "Content-disposition: attachment; filename=%s\r\n\r\n",
655 	    type, file) == -1) {
656 		error = got_error_from_errno2("%s: asprintf", __func__);
657 		goto done;
658 	}
659 
660 	fcgi_gen_response(c, h);
661 done:
662 	free(h);
663 
664 	return error;
665 }
666 
667 static const struct got_error *
668 gotweb_render_header(struct request *c)
669 {
670 	const struct got_error *error = NULL;
671 	struct server *srv = c->srv;
672 	struct querystring *qs = c->t->qs;
673 	char *title = NULL, *droot = NULL, *css = NULL, *gotlink = NULL;
674 	char *gotimg = NULL, *sitelink = NULL, *summlink = NULL;
675 
676 	if (strlen(c->document_root) > 0) {
677 		if (asprintf(&droot, "/%s/", c->document_root) == -1) {
678 			error = got_error_from_errno2("%s: asprintf", __func__);
679 			goto done;
680 		}
681 	} else {
682 		if (asprintf(&droot, "/") == -1) {
683 			error = got_error_from_errno2("%s: asprintf", __func__);
684 			goto done;
685 		}
686 	}
687 
688 	if (asprintf(&title, "<title>%s</title>\n", srv->site_name) == -1) {
689 		error = got_error_from_errno2("%s: asprintf", __func__);
690 		goto done;
691 	}
692 	if (asprintf(&css,
693 	    "<link rel='stylesheet' type='text/css' href='%s%s'/>\n",
694 	    droot, srv->custom_css) == -1) {
695 		error = got_error_from_errno2("%s: asprintf", __func__);
696 		goto done;
697 	}
698 	if (asprintf(&gotlink, "<a href='%s' target='_sotd'>",
699 	    srv->logo_url) == -1) {
700 		error = got_error_from_errno2("%s: asprintf", __func__);
701 		goto done;
702 	}
703 	if (asprintf(&gotimg, "<img src='%s%s' alt='logo' id='logo'/></a>",
704 	    droot, srv->logo) == -1) {
705 		error = got_error_from_errno2("%s: asprintf", __func__);
706 		goto done;
707 	}
708 	if (asprintf(&sitelink, "<a href='/%s?index_page=%d' "
709 	    "alt='sitelink'>%s</a>", c->document_root, qs->index_page,
710 	    srv->site_link) == -1) {
711 		error = got_error_from_errno2("%s: asprintf", __func__);
712 		goto done;
713 	}
714 	if (asprintf(&summlink, "<a href='/%s?index_page=%d&path=%s"
715 	    "&action=summary' alt='summlink'>%s</a>", c->document_root,
716 	    qs->index_page, qs->path, qs->path) == -1) {
717 		error = got_error_from_errno2("%s: asprintf", __func__);
718 		goto done;
719 	}
720 
721 	if (fcgi_gen_response(c, "<!DOCTYPE html>\n<head>\n") == -1)
722 		goto done;
723 	if (fcgi_gen_response(c, title) == -1)
724 		goto done;
725 	if (fcgi_gen_response(c, "<meta name='viewport' "
726 	    "content='initial-scale=.75, user-scalable=yes'/>\n") == -1)
727 		goto done;
728 	if (fcgi_gen_response(c, "<meta charset='utf-8'/>\n") == -1)
729 		goto done;
730 	if (fcgi_gen_response(c, "<meta name='msapplication-TileColor' "
731 	    "content='#da532c'/>\n") == -1)
732 		goto done;
733 	if (fcgi_gen_response(c,
734 	    "<meta name='theme-color' content='#ffffff'/>\n") == -1)
735 		goto done;
736 	if (fcgi_gen_response(c, "<link rel='apple-touch-icon' sizes='180x180' "
737 	    "href='/apple-touch-icon.png'/>\n") == -1)
738 		goto done;
739 	if (fcgi_gen_response(c,
740 	    "<link rel='icon' type='image/png' sizes='32x32' "
741 	    "href='/favicon-32x32.png'/>\n") == -1)
742 		goto done;
743 	if (fcgi_gen_response(c, "<link rel='icon' type='image/png' "
744 	    "sizes='16x16' href='/favicon-16x16.png'/>\n") == -1)
745 		goto done;
746 	if (fcgi_gen_response(c, "<link rel='manifest' "
747 	    "href='/site.webmanifest'/>\n") == -1)
748 		goto done;
749 	if (fcgi_gen_response(c, "<link rel='mask-icon' "
750 	    "href='/safari-pinned-tab.svg'/>\n") == -1)
751 		goto done;
752 	if (fcgi_gen_response(c, css) == -1)
753 		goto done;
754 	if (fcgi_gen_response(c, "</head>\n<body>\n<div id='gw_body'>\n") == -1)
755 		goto done;
756 	if (fcgi_gen_response(c,
757 	    "<div id='header'>\n<div id='got_link'>") == -1)
758 		goto done;
759 	if (fcgi_gen_response(c, gotlink) == -1)
760 		goto done;
761 	if (fcgi_gen_response(c, gotimg) == -1)
762 		goto done;
763 	if (fcgi_gen_response(c, "</div>\n</div>\n") == -1)
764 		goto done;
765 	if (fcgi_gen_response(c,
766 	    "<div id='site_path'>\n<div id='site_link'>") == -1)
767 		goto done;
768 	if (fcgi_gen_response(c, sitelink) == -1)
769 		goto done;
770 	if (qs != NULL) {
771 		if (qs->path != NULL) {
772 			if (fcgi_gen_response(c, " / ") == -1)
773 				goto done;
774 			if (fcgi_gen_response(c, summlink) == -1)
775 				goto done;
776 		}
777 		if (qs->action != INDEX) {
778 			if (fcgi_gen_response(c, " / ") == -1)
779 				goto done;
780 			switch(qs->action) {
781 			case(BLAME):
782 				if (fcgi_gen_response(c, "blame") == -1)
783 					goto done;
784 				break;
785 			case(BRIEFS):
786 				if (fcgi_gen_response(c, "briefs") == -1)
787 					goto done;
788 				break;
789 			case(COMMITS):
790 				if (fcgi_gen_response(c, "commits") == -1)
791 					goto done;
792 				break;
793 			case(DIFF):
794 				if (fcgi_gen_response(c, "diff") == -1)
795 					goto done;
796 				break;
797 			case(SUMMARY):
798 				if (fcgi_gen_response(c, "summary") == -1)
799 					goto done;
800 				break;
801 			case(TAG):
802 				if (fcgi_gen_response(c, "tag") == -1)
803 					goto done;
804 				break;
805 			case(TAGS):
806 				if (fcgi_gen_response(c, "tags") == -1)
807 					goto done;
808 				break;
809 			case(TREE):
810 				if (fcgi_gen_response(c, "tree") == -1)
811 					goto done;
812 				break;
813 			default:
814 				break;
815 			}
816 		}
817 
818 	}
819 	fcgi_gen_response(c, "</div>\n</div>\n<div id='content'>\n");
820 done:
821 	free(title);
822 	free(droot);
823 	free(css);
824 	free(gotlink);
825 	free(gotimg);
826 	free(sitelink);
827 	free(summlink);
828 
829 	return error;
830 }
831 
832 static const struct got_error *
833 gotweb_render_footer(struct request *c)
834 {
835 	const struct got_error *error = NULL;
836 	struct server *srv = c->srv;
837 	char *siteowner = NULL;
838 
839 	if (fcgi_gen_response(c, "<div id='site_owner_wrapper'>\n") == -1)
840 		goto done;
841 	if (fcgi_gen_response(c, "<div id='site_owner'>") == -1)
842 		goto done;
843 	if (srv->show_site_owner) {
844 		error = gotweb_escape_html(&siteowner, srv->site_owner);
845 		if (error)
846 			goto done;
847 		if (fcgi_gen_response(c, siteowner) == -1)
848 			goto done;
849 	} else
850 		if (fcgi_gen_response(c, "&nbsp;") == -1)
851 			goto done;
852 	fcgi_gen_response(c, "</div>\n</div>\n</div>\n</body>\n</html>");
853 done:
854 	free(siteowner);
855 
856 	return error;
857 }
858 
859 static const struct got_error *
860 gotweb_render_navs(struct request *c)
861 {
862 	const struct got_error *error = NULL;
863 	struct transport *t = c->t;
864 	struct querystring *qs = t->qs;
865 	struct server *srv = c->srv;
866 	char *nhref = NULL, *phref = NULL;
867 	int disp = 0;
868 
869 	if (fcgi_gen_response(c, "<div id='np_wrapper'>\n") == -1)
870 		goto done;
871 	if (fcgi_gen_response(c, "<div id='nav_prev'>") == -1)
872 		goto done;
873 
874 	switch(qs->action) {
875 	case INDEX:
876 		if (qs->index_page > 0) {
877 			if (asprintf(&phref, "index_page=%d",
878 			    qs->index_page - 1) == -1) {
879 				error = got_error_from_errno2("%s: asprintf",
880 				    __func__);
881 				goto done;
882 			}
883 			disp = 1;
884 		}
885 		break;
886 	case BRIEFS:
887 		if (t->prev_id && qs->commit != NULL &&
888 		    strcmp(qs->commit, t->prev_id) != 0) {
889 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
890 			    "&action=briefs&commit=%s&headref=%s",
891 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
892 			    qs->headref) == -1) {
893 				error = got_error_from_errno2("%s: asprintf",
894 				    __func__);
895 				goto done;
896 			}
897 			disp = 1;
898 		}
899 		break;
900 	case COMMITS:
901 		if (t->prev_id && qs->commit != NULL &&
902 		    strcmp(qs->commit, t->prev_id) != 0) {
903 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
904 			    "&action=commits&commit=%s&headref=%s&folder=%s"
905 			    "&file=%s",
906 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
907 			    qs->headref, qs->folder ? qs->folder : "",
908 			    qs->file ? qs->file : "") == -1) {
909 				error = got_error_from_errno2("%s: asprintf",
910 				    __func__);
911 				goto done;
912 			}
913 			disp = 1;
914 		}
915 		break;
916 	case TAGS:
917 		if (t->prev_id && qs->commit != NULL &&
918 		    strcmp(qs->commit, t->prev_id) != 0) {
919 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
920 			    "&action=tags&commit=%s&headref=%s",
921 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
922 			    qs->headref) == -1) {
923 				error = got_error_from_errno2("%s: asprintf",
924 				    __func__);
925 				goto done;
926 			}
927 			disp = 1;
928 		}
929 		break;
930 	default:
931 		disp = 0;
932 		break;
933 	}
934 
935 	if (disp) {
936 		if (fcgi_gen_response(c, "<a href='?") == -1)
937 			goto  done;
938 		if (fcgi_gen_response(c, phref) == -1)
939 			goto done;
940 		if (fcgi_gen_response(c, "'>Previous</a>") == -1)
941 			goto done;
942 	}
943 	if (fcgi_gen_response(c, "</div>\n") == -1)
944 		goto done;
945 	if (fcgi_gen_response(c, "<div id='nav_next'>") == -1)
946 		goto done;
947 
948 	disp = 0;
949 
950 	switch(qs->action) {
951 	case INDEX:
952 		if (t->next_disp == srv->max_repos_display &&
953 		    t->repos_total != (qs->index_page + 1) *
954 		    srv->max_repos_display) {
955 			if (asprintf(&nhref, "index_page=%d",
956 			    qs->index_page + 1) == -1) {
957 				error = got_error_from_errno2("%s: asprintf",
958 				    __func__);
959 				goto done;
960 			}
961 			disp = 1;
962 		}
963 		break;
964 	case BRIEFS:
965 		if (t->next_id) {
966 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
967 			    "&action=briefs&commit=%s&headref=%s",
968 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
969 			    qs->headref) == -1) {
970 				error = got_error_from_errno2("%s: asprintf",
971 				    __func__);
972 				goto done;
973 			}
974 			disp = 1;
975 		}
976 		break;
977 	case COMMITS:
978 		if (t->next_id) {
979 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
980 			    "&action=commits&commit=%s&headref=%s&folder=%s"
981 			    "&file=%s",
982 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
983 			    qs->headref, qs->folder ? qs->folder : "",
984 			    qs->file ? qs->file : "") == -1) {
985 				error = got_error_from_errno2("%s: asprintf",
986 				    __func__);
987 				goto done;
988 			}
989 			disp = 1;
990 		}
991 		break;
992 	case TAGS:
993 		if (t->next_id) {
994 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
995 			    "&action=tags&commit=%s&headref=%s",
996 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
997 			    qs->headref) == -1) {
998 				error = got_error_from_errno2("%s: asprintf",
999 				    __func__);
1000 				goto done;
1001 			}
1002 			disp = 1;
1003 		}
1004 		break;
1005 	default:
1006 		disp = 0;
1007 		break;
1008 	}
1009 	if (disp) {
1010 		if (fcgi_gen_response(c, "<a href='?") == -1)
1011 			goto done;
1012 		if (fcgi_gen_response(c, nhref) == -1)
1013 			goto done;
1014 		if (fcgi_gen_response(c, "'>Next</a>") == -1)
1015 			goto done;
1016 	}
1017 	fcgi_gen_response(c, "</div>\n");
1018 done:
1019 	free(t->next_id);
1020 	t->next_id = NULL;
1021 	free(t->prev_id);
1022 	t->prev_id = NULL;
1023 	free(phref);
1024 	free(nhref);
1025 	return error;
1026 }
1027 
1028 static const struct got_error *
1029 gotweb_render_index(struct request *c)
1030 {
1031 	const struct got_error *error = NULL;
1032 	struct server *srv = c->srv;
1033 	struct transport *t = c->t;
1034 	struct querystring *qs = t->qs;
1035 	struct repo_dir *repo_dir = NULL;
1036 	DIR *d;
1037 	struct dirent **sd_dent;
1038 	char *c_path = NULL;
1039 	struct stat st;
1040 	unsigned int d_cnt, d_i, d_disp = 0;
1041 
1042 	d = opendir(srv->repos_path);
1043 	if (d == NULL) {
1044 		error = got_error_from_errno2("opendir", srv->repos_path);
1045 		return error;
1046 	}
1047 
1048 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
1049 	if (d_cnt == -1) {
1050 		error = got_error_from_errno2("scandir", srv->repos_path);
1051 		goto done;
1052 	}
1053 
1054 	/* get total count of repos */
1055 	for (d_i = 0; d_i < d_cnt; d_i++) {
1056 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1057 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1058 			continue;
1059 
1060 		if (asprintf(&c_path, "%s/%s", srv->repos_path,
1061 		    sd_dent[d_i]->d_name) == -1) {
1062 			error = got_error_from_errno("asprintf");
1063 			return error;
1064 		}
1065 
1066 		if (lstat(c_path, &st) == 0 && S_ISDIR(st.st_mode) &&
1067 		    !got_path_dir_is_empty(c_path))
1068 		t->repos_total++;
1069 		free(c_path);
1070 		c_path = NULL;
1071 	}
1072 
1073 	if (fcgi_gen_response(c, "<div id='index_header'>\n") == -1)
1074 		goto done;
1075 	if (fcgi_gen_response(c,
1076 	    "<div id='index_header_project'>Project</div>\n") == -1)
1077 		goto done;
1078 	if (srv->show_repo_description)
1079 		if (fcgi_gen_response(c, "<div id='index_header_description'>"
1080 		    "Description</div>\n") == -1)
1081 			goto done;
1082 	if (srv->show_repo_owner)
1083 		if (fcgi_gen_response(c, "<div id='index_header_owner'>"
1084 		    "Owner</div>\n") == -1)
1085 			goto done;
1086 	if (srv->show_repo_age)
1087 		if (fcgi_gen_response(c, "<div id='index_header_age'>"
1088 		    "Last Change</div>\n") == -1)
1089 			goto done;
1090 	if (fcgi_gen_response(c, "</div>\n") == -1)
1091 		goto done;
1092 
1093 	for (d_i = 0; d_i < d_cnt; d_i++) {
1094 		if (srv->max_repos > 0 && (d_i - 2) == srv->max_repos)
1095 			break; /* account for parent and self */
1096 
1097 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1098 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1099 			continue;
1100 
1101 		if (qs->index_page > 0 && (qs->index_page *
1102 		    srv->max_repos_display) > t->prev_disp) {
1103 			t->prev_disp++;
1104 			continue;
1105 		}
1106 
1107 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
1108 		if (error)
1109 			goto done;
1110 
1111 		error = gotweb_load_got_path(c, repo_dir);
1112 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1113 			error = NULL;
1114 			continue;
1115 		}
1116 		else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
1117 			goto done;
1118 
1119 		if (lstat(repo_dir->path, &st) == 0 &&
1120 		    S_ISDIR(st.st_mode) &&
1121 		    !got_path_dir_is_empty(repo_dir->path))
1122 			goto render;
1123 		else {
1124 			gotweb_free_repo_dir(repo_dir);
1125 			repo_dir = NULL;
1126 			continue;
1127 		}
1128 render:
1129 		d_disp++;
1130 		t->prev_disp++;
1131 		if (fcgi_gen_response(c, "<div id='index_wrapper'>\n") == -1)
1132 			goto done;
1133 		if (fcgi_gen_response(c, "<div id='index_project'>") == -1)
1134 			goto done;
1135 
1136 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1137 			goto done;
1138 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1139 			goto done;
1140 		if (fcgi_gen_response(c, "&path=") == -1)
1141 			goto done;
1142 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1143 			goto done;
1144 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1145 			goto done;
1146 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1147 			goto done;
1148 		if (fcgi_gen_response(c, "</a>") == -1)
1149 			goto done;
1150 
1151 		if (fcgi_gen_response(c, "</div>\n") == -1)
1152 			goto done;
1153 
1154 		if (srv->show_repo_description) {
1155 			if (fcgi_gen_response(c,
1156 			    "<div id='index_project_description'>\n") == -1)
1157 				goto done;
1158 			if (fcgi_gen_response(c, repo_dir->description) == -1)
1159 				goto done;
1160 			if (fcgi_gen_response(c, "</div>\n") == -1)
1161 				goto done;
1162 		}
1163 
1164 		if (srv->show_repo_owner) {
1165 			if (fcgi_gen_response(c,
1166 			    "<div id='index_project_owner'>") == -1)
1167 				goto done;
1168 			if (fcgi_gen_response(c, repo_dir->owner) == -1)
1169 				goto done;
1170 			if (fcgi_gen_response(c, "</div>\n") == -1)
1171 				goto done;
1172 		}
1173 
1174 		if (srv->show_repo_age) {
1175 			if (fcgi_gen_response(c,
1176 			    "<div id='index_project_age'>") == -1)
1177 				goto done;
1178 			if (fcgi_gen_response(c, repo_dir->age) == -1)
1179 				goto done;
1180 			if (fcgi_gen_response(c, "</div>\n") == -1)
1181 				goto done;
1182 		}
1183 
1184 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>") == -1)
1185 			goto done;
1186 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1187 			goto done;;
1188 
1189 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1190 			goto done;
1191 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1192 			goto done;
1193 		if (fcgi_gen_response(c, "&path=") == -1)
1194 			goto done;
1195 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1196 			goto done;
1197 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1198 			goto done;
1199 		if (fcgi_gen_response(c, "summary") == -1)
1200 			goto done;
1201 		if (fcgi_gen_response(c, "</a> | ") == -1)
1202 			goto done;
1203 
1204 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1205 			goto done;
1206 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1207 			goto done;
1208 		if (fcgi_gen_response(c, "&path=") == -1)
1209 			goto done;
1210 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1211 			goto done;
1212 		if (fcgi_gen_response(c, "&action=briefs'>") == -1)
1213 			goto done;
1214 		if (fcgi_gen_response(c, "commit briefs") == -1)
1215 			goto done;
1216 		if (fcgi_gen_response(c, "</a> | ") == -1)
1217 			goto done;
1218 
1219 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1220 			goto done;
1221 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1222 			goto done;
1223 		if (fcgi_gen_response(c, "&path=") == -1)
1224 			goto done;
1225 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1226 			goto done;
1227 		if (fcgi_gen_response(c, "&action=commits'>") == -1)
1228 			goto done;
1229 		if (fcgi_gen_response(c, "commits") == -1)
1230 			goto done;
1231 		if (fcgi_gen_response(c, "</a> | ") == -1)
1232 			goto done;
1233 
1234 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1235 			goto done;
1236 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1237 			goto done;
1238 		if (fcgi_gen_response(c, "&path=") == -1)
1239 			goto done;
1240 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1241 			goto done;
1242 		if (fcgi_gen_response(c, "&action=tags'>") == -1)
1243 			goto done;
1244 		if (fcgi_gen_response(c, "tags") == -1)
1245 			goto done;
1246 		if (fcgi_gen_response(c, "</a> | ") == -1)
1247 			goto done;
1248 
1249 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1250 			goto done;
1251 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1252 			goto done;
1253 		if (fcgi_gen_response(c, "&path=") == -1)
1254 			goto done;
1255 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1256 			goto done;
1257 		if (fcgi_gen_response(c, "&action=tree'>") == -1)
1258 			goto done;
1259 		if (fcgi_gen_response(c, "tree") == -1)
1260 			goto done;
1261 		if (fcgi_gen_response(c, "</a>") == -1)
1262 			goto done;
1263 
1264 		if (fcgi_gen_response(c, "</div>") == -1)
1265 			goto done;
1266 		if (fcgi_gen_response(c,
1267 		    "<div id='dotted_line'></div>\n") == -1)
1268 			goto done;
1269 		if (fcgi_gen_response(c, "</div>\n") == -1)
1270 			goto done;
1271 		if (fcgi_gen_response(c, "</div>\n") == -1)
1272 			goto done;
1273 
1274 		gotweb_free_repo_dir(repo_dir);
1275 		repo_dir = NULL;
1276 		error = got_repo_close(t->repo);
1277 		if (error)
1278 			goto done;
1279 		t->next_disp++;
1280 		if (d_disp == srv->max_repos_display)
1281 			break;
1282 	}
1283 	if (srv->max_repos_display == 0)
1284 		goto div;
1285 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
1286 		goto div;
1287 	if (t->repos_total <= srv->max_repos ||
1288 	    t->repos_total <= srv->max_repos_display)
1289 		goto div;
1290 
1291 	error = gotweb_render_navs(c);
1292 	if (error)
1293 		goto done;
1294 div:
1295 	fcgi_gen_response(c, "</div>\n");
1296 done:
1297 	if (d != NULL && closedir(d) == EOF && error == NULL)
1298 		error = got_error_from_errno("closedir");
1299 	return error;
1300 }
1301 
1302 static const struct got_error *
1303 gotweb_render_blame(struct request *c)
1304 {
1305 	const struct got_error *error = NULL;
1306 	struct transport *t = c->t;
1307 	struct repo_commit *rc = NULL;
1308 	char *age = NULL;
1309 
1310 	error = got_get_repo_commits(c, 1);
1311 	if (error)
1312 		return error;
1313 
1314 	rc = TAILQ_FIRST(&t->repo_commits);
1315 
1316 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1317 	if (error)
1318 		goto done;
1319 
1320 	if (fcgi_gen_response(c, "<div id='blame_title_wrapper'>\n") == -1)
1321 		goto done;
1322 	if (fcgi_gen_response(c, "<div id='blame_title'>Blame</div>\n") == -1)
1323 		goto done;
1324 	if (fcgi_gen_response(c, "</div>\n") == -1)
1325 		goto done;
1326 
1327 	if (fcgi_gen_response(c, "<div id='blame_content'>\n") == -1)
1328 		goto done;
1329 
1330 	if (fcgi_gen_response(c, "<div id='blame_header_wrapper'>\n") == -1)
1331 		goto done;
1332 	if (fcgi_gen_response(c, "<div id='blame_header'>\n") == -1)
1333 		goto done;
1334 
1335 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1336 	    "</div>\n") == -1)
1337 		goto done;
1338 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1339 		goto done;
1340 	if (fcgi_gen_response(c, age ? age : "") == -1)
1341 		goto done;
1342 	if (fcgi_gen_response(c, "</div>\n") == -1)
1343 		goto done;
1344 
1345 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1346 	    "</div>\n") == -1)
1347 		goto done;
1348 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1349 		goto done;
1350 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1351 		goto done;
1352 	if (fcgi_gen_response(c, "</div>\n") == -1)
1353 		goto done;
1354 
1355 	if (fcgi_gen_response(c, "</div>\n") == -1)
1356 		goto done;
1357 	if (fcgi_gen_response(c, "</div>\n") == -1)
1358 		goto done;
1359 
1360 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1361 		goto done;
1362 	if (fcgi_gen_response(c, "<div id='blame'>\n") == -1)
1363 		goto done;
1364 
1365 	error = got_output_file_blame(c);
1366 	if (error)
1367 		goto done;
1368 
1369 	fcgi_gen_response(c, "</div>\n");
1370 done:
1371 	fcgi_gen_response(c, "</div>\n");
1372 	return error;
1373 }
1374 
1375 static const struct got_error *
1376 gotweb_render_briefs(struct request *c)
1377 {
1378 	const struct got_error *error = NULL;
1379 	struct repo_commit *rc = NULL;
1380 	struct server *srv = c->srv;
1381 	struct transport *t = c->t;
1382 	struct querystring *qs = t->qs;
1383 	struct repo_dir *repo_dir = t->repo_dir;
1384 	char *smallerthan, *newline;
1385 	char *age = NULL;
1386 
1387 	if (fcgi_gen_response(c, "<div id='briefs_title_wrapper'>\n") == -1)
1388 		goto done;
1389 	if (fcgi_gen_response(c,
1390 	    "<div id='briefs_title'>Commit Briefs</div>\n") == -1)
1391 		goto done;
1392 	if (fcgi_gen_response(c, "</div>\n") == -1)
1393 		goto done;
1394 
1395 	if (fcgi_gen_response(c, "<div id='briefs_content'>\n") == -1)
1396 		goto done;
1397 
1398 	if (qs->action == SUMMARY) {
1399 		qs->action = BRIEFS;
1400 		error = got_get_repo_commits(c, D_MAXSLCOMMDISP);
1401 	} else
1402 		error = got_get_repo_commits(c, srv->max_commits_display);
1403 	if (error)
1404 		goto done;
1405 
1406 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1407 		error = gotweb_get_time_str(&age, rc->committer_time, TM_DIFF);
1408 		if (error)
1409 			goto done;
1410 		if (fcgi_gen_response(c, "<div id='briefs_age'>") == -1)
1411 			goto done;
1412 		if (fcgi_gen_response(c, age ? age : "") == -1)
1413 			goto done;
1414 		if (fcgi_gen_response(c, "</div>\n") == -1)
1415 			goto done;
1416 
1417 		if (fcgi_gen_response(c, "<div id='briefs_author'>") == -1)
1418 			goto done;
1419 		smallerthan = strchr(rc->author, '<');
1420 		if (smallerthan)
1421 			*smallerthan = '\0';
1422 		if (fcgi_gen_response(c, rc->author) == -1)
1423 			goto done;
1424 		if (fcgi_gen_response(c, "</div>\n") == -1)
1425 			goto done;
1426 
1427 		if (fcgi_gen_response(c, "<div id='briefs_log'>") == -1)
1428 			goto done;
1429 		newline = strchr(rc->commit_msg, '\n');
1430 		if (newline)
1431 			*newline = '\0';
1432 
1433 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1434 			goto done;
1435 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1436 			goto done;
1437 		if (fcgi_gen_response(c, "&path=") == -1)
1438 			goto done;
1439 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1440 			goto done;
1441 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1442 			goto done;
1443 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1444 			goto done;
1445 		if (fcgi_gen_response(c, "&headref=") == -1)
1446 			goto done;
1447 		if (fcgi_gen_response(c, qs->headref) == -1)
1448 			goto done;
1449 		if (fcgi_gen_response(c, "'>") == -1)
1450 			goto done;
1451 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1452 			goto done;
1453 		if (fcgi_gen_response(c, "</a>") == -1)
1454 			goto done;
1455 		if (rc->refs_str) {
1456 			if (fcgi_gen_response(c,
1457 			    " <span id='refs_str'>(") == -1)
1458 				goto done;
1459 			if (fcgi_gen_response(c, rc->refs_str) == -1)
1460 				goto done;
1461 			if (fcgi_gen_response(c, ")</span>") == -1)
1462 				goto done;
1463 		}
1464 		if (fcgi_gen_response(c, "</div>\n") == -1)
1465 			goto done;
1466 
1467 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1468 			goto done;
1469 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1470 			goto done;
1471 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1472 			goto done;
1473 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1474 			goto done;
1475 		if (fcgi_gen_response(c, "&path=") == -1)
1476 			goto done;
1477 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1478 			goto done;
1479 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1480 			goto done;
1481 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1482 			goto done;
1483 		if (fcgi_gen_response(c, "&headref=") == -1)
1484 			goto done;
1485 		if (fcgi_gen_response(c, qs->headref) == -1)
1486 			goto done;
1487 		if (fcgi_gen_response(c, "'>") == -1)
1488 			goto done;
1489 		if (fcgi_gen_response(c, "diff") == -1)
1490 			goto done;
1491 		if (fcgi_gen_response(c, "</a>") == -1)
1492 			goto done;
1493 
1494 		if (fcgi_gen_response(c, " | ") == -1)
1495 			goto done;
1496 
1497 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1498 			goto done;
1499 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1500 			goto done;
1501 		if (fcgi_gen_response(c, "&path=") == -1)
1502 			goto done;
1503 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1504 			goto done;
1505 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1506 			goto done;
1507 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1508 			goto done;
1509 		if (fcgi_gen_response(c, "&headref=") == -1)
1510 			goto done;
1511 		if (fcgi_gen_response(c, qs->headref) == -1)
1512 			goto done;
1513 		if (fcgi_gen_response(c, "'>") == -1)
1514 			goto done;
1515 		if (fcgi_gen_response(c, "tree") == -1)
1516 			goto done;
1517 		if (fcgi_gen_response(c, "</a>") == -1)
1518 			goto done;
1519 		if (fcgi_gen_response(c, "</div>\n") == -1)
1520 			goto done;
1521 		if (fcgi_gen_response(c, "</div>\n") == -1)
1522 			goto done;
1523 		if (fcgi_gen_response(c,
1524 		    "<div id='dotted_line'></div>\n") == -1)
1525 			goto done;
1526 
1527 		free(age);
1528 		age = NULL;
1529 	}
1530 
1531 	if (t->next_id || t->prev_id) {
1532 		error = gotweb_render_navs(c);
1533 		if (error)
1534 			goto done;
1535 	}
1536 	fcgi_gen_response(c, "</div>\n");
1537 done:
1538 	free(age);
1539 	return error;
1540 }
1541 
1542 static const struct got_error *
1543 gotweb_render_commits(struct request *c)
1544 {
1545 	const struct got_error *error = NULL;
1546 	struct repo_commit *rc = NULL;
1547 	struct server *srv = c->srv;
1548 	struct transport *t = c->t;
1549 	struct querystring *qs = t->qs;
1550 	struct repo_dir *repo_dir = t->repo_dir;
1551 	char *age = NULL, *author = NULL;
1552 	/* int commit_found = 0; */
1553 
1554 	if (fcgi_gen_response(c, "<div id='commits_title_wrapper'>\n") == -1)
1555 		goto done;
1556 	if (fcgi_gen_response(c,
1557 	    "<div id='commits_title'>Commits</div>\n") == -1)
1558 		goto done;
1559 	if (fcgi_gen_response(c, "</div>\n") == -1)
1560 		goto done;
1561 
1562 	if (fcgi_gen_response(c, "<div id='commits_content'>\n") == -1)
1563 		goto done;
1564 
1565 	error = got_get_repo_commits(c, srv->max_commits_display);
1566 	if (error)
1567 		goto done;
1568 
1569 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1570 		error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1571 		if (error)
1572 			goto done;
1573 		error = gotweb_escape_html(&author, rc->author);
1574 		if (error)
1575 			goto done;
1576 
1577 		if (fcgi_gen_response(c,
1578 		    "<div id='commits_header_wrapper'>\n") == -1)
1579 			goto done;
1580 		if (fcgi_gen_response(c, "<div id='commits_header'>\n") == -1)
1581 			goto done;
1582 
1583 
1584 		if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
1585 		    "</div>\n") == -1)
1586 			goto done;
1587 		if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
1588 			goto done;
1589 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1590 			goto done;
1591 		if (fcgi_gen_response(c, "</div>\n") == -1)
1592 			goto done;
1593 
1594 		if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
1595 		    "</div>\n") == -1)
1596 			goto done;
1597 		if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
1598 			goto done;
1599 		if (fcgi_gen_response(c, author ? author : "") == -1)
1600 			goto done;
1601 		if (fcgi_gen_response(c, "</div>\n") == -1)
1602 			goto done;
1603 
1604 		if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1605 		    "</div>\n") == -1)
1606 			goto done;
1607 		if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1608 			goto done;
1609 		if (fcgi_gen_response(c, age ? age : "") == -1)
1610 			goto done;
1611 		if (fcgi_gen_response(c, "</div>\n") == -1)
1612 			goto done;
1613 
1614 		if (fcgi_gen_response(c, "</div>\n") == -1)
1615 			goto done;
1616 		if (fcgi_gen_response(c, "</div>\n") == -1)
1617 			goto done;
1618 
1619 		if (fcgi_gen_response(c,
1620 		    "<div id='dotted_line'></div>\n") == -1)
1621 			goto done;
1622 		if (fcgi_gen_response(c, "<div id='commit'>\n") == -1)
1623 			goto done;
1624 
1625 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1626 			goto done;
1627 
1628 		if (fcgi_gen_response(c, "</div>\n") == -1)
1629 			goto done;
1630 		if (fcgi_gen_response(c, "</div>\n") == -1)
1631 			goto done;
1632 
1633 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1634 			goto done;
1635 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1636 			goto done;
1637 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1638 			goto done;
1639 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1640 			goto done;
1641 		if (fcgi_gen_response(c, "&path=") == -1)
1642 			goto done;
1643 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1644 			goto done;
1645 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1646 			goto done;
1647 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1648 			goto done;
1649 		if (fcgi_gen_response(c, "'>") == -1)
1650 			goto done;
1651 		if (fcgi_gen_response(c, "diff") == -1)
1652 			goto done;
1653 		if (fcgi_gen_response(c, "</a>") == -1)
1654 			goto done;
1655 
1656 		if (fcgi_gen_response(c, " | ") == -1)
1657 			goto done;
1658 
1659 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1660 			goto done;
1661 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1662 			goto done;
1663 		if (fcgi_gen_response(c, "&path=") == -1)
1664 			goto done;
1665 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1666 			goto done;
1667 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1668 			goto done;
1669 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1670 			goto done;
1671 		if (fcgi_gen_response(c, "'>") == -1)
1672 			goto done;
1673 		if (fcgi_gen_response(c, "tree") == -1)
1674 			goto done;
1675 		if (fcgi_gen_response(c, "</a>") == -1)
1676 			goto done;
1677 		if (fcgi_gen_response(c, "</div>\n") == -1)
1678 			goto done;
1679 		if (fcgi_gen_response(c, "</div>\n") == -1)
1680 			goto done;
1681 		if (fcgi_gen_response(c,
1682 		    "<div id='dotted_line'></div>\n") == -1)
1683 			goto done;
1684 		free(age);
1685 		age = NULL;
1686 		free(author);
1687 		author = NULL;
1688 	}
1689 
1690 	if (t->next_id || t->prev_id) {
1691 		error = gotweb_render_navs(c);
1692 		if (error)
1693 			goto done;
1694 	}
1695 	if (fcgi_gen_response(c, "</div>\n") == -1)
1696 		goto done;
1697 	fcgi_gen_response(c, "</div>\n");
1698 done:
1699 	free(age);
1700 	return error;
1701 }
1702 
1703 static const struct got_error *
1704 gotweb_render_branches(struct request *c)
1705 {
1706 	const struct got_error *error = NULL;
1707 	struct got_reflist_head refs;
1708 	struct got_reflist_entry *re;
1709 	struct transport *t = c->t;
1710 	struct querystring *qs = t->qs;
1711 	struct got_repository *repo = t->repo;
1712 	char *age = NULL;
1713 
1714 	TAILQ_INIT(&refs);
1715 
1716 	error = got_ref_list(&refs, repo, "refs/heads",
1717 	    got_ref_cmp_by_name, NULL);
1718 	if (error)
1719 		goto done;
1720 
1721 	if (fcgi_gen_response(c, "<div id='branches_title_wrapper'>\n") == -1)
1722 		goto done;
1723 	if (fcgi_gen_response(c,
1724 	    "<div id='branches_title'>Branches</div>\n") == -1)
1725 		goto done;
1726 	if (fcgi_gen_response(c, "</div>\n") == -1)
1727 		goto done;
1728 
1729 	if (fcgi_gen_response(c, "<div id='branches_content'>\n") == -1)
1730 		goto done;
1731 
1732 	TAILQ_FOREACH(re, &refs, entry) {
1733 		char *refname = NULL;
1734 
1735 		if (got_ref_is_symbolic(re->ref))
1736 			continue;
1737 
1738 		refname = strdup(got_ref_get_name(re->ref));
1739 		if (refname == NULL) {
1740 			error = got_error_from_errno("strdup");
1741 			goto done;
1742 		}
1743 		if (strncmp(refname, "refs/heads/", 11) != 0)
1744 			continue;
1745 
1746 		error = got_get_repo_age(&age, c, qs->path, refname,
1747 		    TM_DIFF);
1748 		if (error)
1749 			goto done;
1750 
1751 		if (strncmp(refname, "refs/heads/", 11) == 0)
1752 			refname += 11;
1753 
1754 		if (fcgi_gen_response(c, "<div id='branches_wrapper'>") == -1)
1755 			goto done;
1756 
1757 		if (fcgi_gen_response(c, "<div id='branches_age'>") == -1)
1758 			goto done;
1759 		if (fcgi_gen_response(c, age ? age : "") == -1)
1760 			goto done;
1761 		if (fcgi_gen_response(c, "</div>\n") == -1)
1762 			goto done;
1763 
1764 		if (fcgi_gen_response(c, "<div id='branches_space'>") == -1)
1765 			goto done;
1766 		if (fcgi_gen_response(c, "&nbsp;") == -1)
1767 			goto done;
1768 		if (fcgi_gen_response(c, "</div>\n") == -1)
1769 			goto done;
1770 
1771 		if (fcgi_gen_response(c, "<div id='branch'>") == -1)
1772 			goto done;
1773 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1774 			goto done;
1775 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1776 			goto done;
1777 		if (fcgi_gen_response(c, "&path=") == -1)
1778 			goto done;
1779 		if (fcgi_gen_response(c, qs->path) == -1)
1780 			goto done;
1781 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1782 			goto done;
1783 		if (fcgi_gen_response(c, refname) == -1)
1784 			goto done;
1785 		if (fcgi_gen_response(c, "'>") == -1)
1786 			goto done;
1787 		if (fcgi_gen_response(c, refname) == -1)
1788 			goto done;
1789 		if (fcgi_gen_response(c, "</a>") == -1)
1790 			goto done;
1791 		if (fcgi_gen_response(c, "</div>\n") == -1)
1792 			goto done;
1793 
1794 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1795 			goto done;
1796 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1797 			goto done;
1798 
1799 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1800 			goto done;
1801 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1802 			goto done;
1803 		if (fcgi_gen_response(c, "&path=") == -1)
1804 			goto done;
1805 		if (fcgi_gen_response(c, qs->path) == -1)
1806 			goto done;
1807 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1808 			goto done;
1809 		if (fcgi_gen_response(c, refname) == -1)
1810 			goto done;
1811 		if (fcgi_gen_response(c, "'>") == -1)
1812 			goto done;
1813 		if (fcgi_gen_response(c, "summary") == -1)
1814 			goto done;
1815 		if (fcgi_gen_response(c, "</a>") == -1)
1816 			goto done;
1817 
1818 		if (fcgi_gen_response(c, " | ") == -1)
1819 			goto done;
1820 
1821 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1822 			goto done;
1823 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1824 			goto done;
1825 		if (fcgi_gen_response(c, "&path=") == -1)
1826 			goto done;
1827 		if (fcgi_gen_response(c, qs->path) == -1)
1828 			goto done;
1829 		if (fcgi_gen_response(c, "&action=briefs&headref=") == -1)
1830 			goto done;
1831 		if (fcgi_gen_response(c, refname) == -1)
1832 			goto done;
1833 		if (fcgi_gen_response(c, "'>") == -1)
1834 			goto done;
1835 		if (fcgi_gen_response(c, "commit briefs") == -1)
1836 			goto done;
1837 		if (fcgi_gen_response(c, "</a>") == -1)
1838 			goto done;
1839 
1840 		if (fcgi_gen_response(c, " | ") == -1)
1841 			goto done;
1842 
1843 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1844 			goto done;
1845 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1846 			goto done;
1847 		if (fcgi_gen_response(c, "&path=") == -1)
1848 			goto done;
1849 		if (fcgi_gen_response(c, qs->path) == -1)
1850 			goto done;
1851 		if (fcgi_gen_response(c, "&action=commits&headref=") == -1)
1852 			goto done;
1853 		if (fcgi_gen_response(c, refname) == -1)
1854 			goto done;
1855 		if (fcgi_gen_response(c, "'>") == -1)
1856 			goto done;
1857 		if (fcgi_gen_response(c, "commits") == -1)
1858 			goto done;
1859 		if (fcgi_gen_response(c, "</a>") == -1)
1860 			goto done;
1861 
1862 		if (fcgi_gen_response(c, "</div>\n") == -1)
1863 			goto done;
1864 		if (fcgi_gen_response(c, "</div>\n") == -1)
1865 			goto done;
1866 
1867 		if (fcgi_gen_response(c,
1868 		    "<div id='dotted_line'></div>\n") == -1)
1869 			goto done;
1870 
1871 		free(age);
1872 		age = NULL;
1873 
1874 	}
1875 	fcgi_gen_response(c, "</div>\n");
1876 done:
1877 	return error;
1878 }
1879 
1880 static const struct got_error *
1881 gotweb_render_tree(struct request *c)
1882 {
1883 	const struct got_error *error = NULL;
1884 	struct transport *t = c->t;
1885 	struct repo_commit *rc = NULL;
1886 	char *age = NULL;
1887 
1888 	error = got_get_repo_commits(c, 1);
1889 	if (error)
1890 		return error;
1891 
1892 	rc = TAILQ_FIRST(&t->repo_commits);
1893 
1894 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1895 	if (error)
1896 		goto done;
1897 
1898 	if (fcgi_gen_response(c, "<div id='tree_title_wrapper'>\n") == -1)
1899 		goto done;
1900 	if (fcgi_gen_response(c, "<div id='tree_title'>Tree</div>\n") == -1)
1901 		goto done;
1902 	if (fcgi_gen_response(c, "</div>\n") == -1)
1903 		goto done;
1904 
1905 	if (fcgi_gen_response(c, "<div id='tree_content'>\n") == -1)
1906 		goto done;
1907 
1908 	if (fcgi_gen_response(c, "<div id='tree_header_wrapper'>\n") == -1)
1909 		goto done;
1910 	if (fcgi_gen_response(c, "<div id='tree_header'>\n") == -1)
1911 		goto done;
1912 
1913 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
1914 	    "</div>\n") == -1)
1915 		goto done;
1916 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
1917 		goto done;
1918 	if (fcgi_gen_response(c, rc->tree_id) == -1)
1919 		goto done;
1920 	if (fcgi_gen_response(c, "</div>\n") == -1)
1921 		goto done;
1922 
1923 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1924 	    "</div>\n") == -1)
1925 		goto done;
1926 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1927 		goto done;
1928 	if (fcgi_gen_response(c, age ? age : "") == -1)
1929 		goto done;
1930 	if (fcgi_gen_response(c, "</div>\n") == -1)
1931 		goto done;
1932 
1933 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1934 	    "</div>\n") == -1)
1935 		goto done;
1936 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1937 		goto done;
1938 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1939 		goto done;
1940 	if (fcgi_gen_response(c, "</div>\n") == -1)
1941 		goto done;
1942 
1943 	if (fcgi_gen_response(c, "</div>\n") == -1)
1944 		goto done;
1945 	if (fcgi_gen_response(c, "</div>\n") == -1)
1946 		goto done;
1947 
1948 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1949 		goto done;
1950 	if (fcgi_gen_response(c, "<div id='tree'>\n") == -1)
1951 		goto done;
1952 
1953 	error = got_output_repo_tree(c);
1954 	if (error)
1955 		goto done;
1956 
1957 	fcgi_gen_response(c, "</div>\n");
1958 	fcgi_gen_response(c, "</div>\n");
1959 done:
1960 	return error;
1961 }
1962 
1963 static const struct got_error *
1964 gotweb_render_diff(struct request *c)
1965 {
1966 	const struct got_error *error = NULL;
1967 	struct transport *t = c->t;
1968 	struct repo_commit *rc = NULL;
1969 	char *age = NULL, *author = NULL;
1970 
1971 	error = got_get_repo_commits(c, 1);
1972 	if (error)
1973 		return error;
1974 
1975 	rc = TAILQ_FIRST(&t->repo_commits);
1976 
1977 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1978 	if (error)
1979 		goto done;
1980 	error = gotweb_escape_html(&author, rc->author);
1981 	if (error)
1982 		goto done;
1983 
1984 	if (fcgi_gen_response(c, "<div id='diff_title_wrapper'>\n") == -1)
1985 		goto done;
1986 	if (fcgi_gen_response(c,
1987 	    "<div id='diff_title'>Commit Diff</div>\n") == -1)
1988 		goto done;
1989 	if (fcgi_gen_response(c, "</div>\n") == -1)
1990 		goto done;
1991 
1992 	if (fcgi_gen_response(c, "<div id='diff_content'>\n") == -1)
1993 		goto done;
1994 	if (fcgi_gen_response(c, "<div id='diff_header_wrapper'>\n") == -1)
1995 		goto done;
1996 	if (fcgi_gen_response(c, "<div id='diff_header'>\n") == -1)
1997 		goto done;
1998 
1999 	if (fcgi_gen_response(c, "<div id='header_diff_title'>Diff:"
2000 	    "</div>\n") == -1)
2001 		goto done;
2002 	if (fcgi_gen_response(c, "<div id='header_diff'>") == -1)
2003 		goto done;
2004 	if (fcgi_gen_response(c, rc->parent_id) == -1)
2005 		goto done;
2006 	if (fcgi_gen_response(c, "<br />") == -1)
2007 		goto done;
2008 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2009 		goto done;
2010 	if (fcgi_gen_response(c, "</div>\n") == -1)
2011 		goto done;
2012 
2013 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2014 	    "</div>\n") == -1)
2015 		goto done;
2016 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2017 		goto done;
2018 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2019 		goto done;
2020 	if (fcgi_gen_response(c, "</div>\n") == -1)
2021 		goto done;
2022 
2023 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
2024 	    "</div>\n") == -1)
2025 		goto done;
2026 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
2027 		goto done;
2028 	if (fcgi_gen_response(c, rc->tree_id) == -1)
2029 		goto done;
2030 	if (fcgi_gen_response(c, "</div>\n") == -1)
2031 		goto done;
2032 
2033 	if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
2034 	    "</div>\n") == -1)
2035 		goto done;
2036 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2037 		goto done;
2038 	if (fcgi_gen_response(c, author ? author : "") == -1)
2039 		goto done;
2040 	if (fcgi_gen_response(c, "</div>\n") == -1)
2041 		goto done;
2042 
2043 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2044 	    "</div>\n") == -1)
2045 		goto done;
2046 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2047 		goto done;
2048 	if (fcgi_gen_response(c, age ? age : "") == -1)
2049 		goto done;
2050 	if (fcgi_gen_response(c, "</div>\n") == -1)
2051 		goto done;
2052 
2053 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2054 	    "</div>\n") == -1)
2055 		goto done;
2056 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2057 		goto done;
2058 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
2059 		goto done;
2060 	if (fcgi_gen_response(c, "</div>\n") == -1)
2061 		goto done;
2062 	if (fcgi_gen_response(c, "</div>\n") == -1)
2063 		goto done;
2064 	if (fcgi_gen_response(c, "</div>\n") == -1)
2065 		goto done;
2066 
2067 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2068 		goto done;
2069 	if (fcgi_gen_response(c, "<div id='diff'>\n") == -1)
2070 		goto done;
2071 
2072 	error = got_output_repo_diff(c);
2073 	if (error)
2074 		goto done;
2075 
2076 	fcgi_gen_response(c, "</div>\n");
2077 done:
2078 	fcgi_gen_response(c, "</div>\n");
2079 	free(age);
2080 	free(author);
2081 	return error;
2082 }
2083 
2084 static const struct got_error *
2085 gotweb_render_summary(struct request *c)
2086 {
2087 	const struct got_error *error = NULL;
2088 	struct transport *t = c->t;
2089 	struct server *srv = c->srv;
2090 
2091 	if (fcgi_gen_response(c, "<div id='summary_wrapper'>\n") == -1)
2092 		goto done;
2093 
2094 	if (!srv->show_repo_description)
2095 		goto owner;
2096 
2097 	if (fcgi_gen_response(c, "<div id='description_title'>"
2098 	    "Description:</div>\n") == -1)
2099 		goto done;
2100 	if (fcgi_gen_response(c, "<div id='description'>") == -1)
2101 		goto done;
2102 	if (fcgi_gen_response(c, t->repo_dir->description) == -1)
2103 		goto done;
2104 	if (fcgi_gen_response(c, "</div>\n") == -1)
2105 		goto done;
2106 owner:
2107 	if (!srv->show_repo_owner)
2108 		goto last_change;
2109 
2110 	if (fcgi_gen_response(c, "<div id='repo_owner_title'>"
2111 	    "Owner:</div>\n") == -1)
2112 		goto done;
2113 	if (fcgi_gen_response(c, "<div id='repo_owner'>") == -1)
2114 		goto done;
2115 	if (fcgi_gen_response(c, t->repo_dir->owner) == -1)
2116 		goto done;
2117 	if (fcgi_gen_response(c, "</div>\n") == -1)
2118 		goto done;
2119 last_change:
2120 	if (!srv->show_repo_age)
2121 		goto clone_url;
2122 
2123 	if (fcgi_gen_response(c, "<div id='last_change_title'>"
2124 	    "Last Change:</div>\n") == -1)
2125 		goto done;
2126 	if (fcgi_gen_response(c, "<div id='last_change'>") == -1)
2127 		goto done;
2128 	if (fcgi_gen_response(c, t->repo_dir->age) == -1)
2129 		goto done;
2130 	if (fcgi_gen_response(c, "</div>\n") == -1)
2131 		goto done;
2132 clone_url:
2133 	if (!srv->show_repo_cloneurl)
2134 		goto content;
2135 
2136 	if (fcgi_gen_response(c, "<div id='cloneurl_title'>"
2137 	    "Clone URL:</div>\n") == -1)
2138 		goto done;
2139 	if (fcgi_gen_response(c, "<div id='cloneurl'>") == -1)
2140 		goto done;
2141 	if (fcgi_gen_response(c, t->repo_dir->url) == -1)
2142 		goto done;
2143 	if (fcgi_gen_response(c, "</div>\n") == -1)
2144 		goto done;
2145 content:
2146 	if (fcgi_gen_response(c, "</div>\n") == -1)
2147 		goto done;
2148 	if (fcgi_gen_response(c, "</div>\n") == -1)
2149 		goto done;
2150 
2151 	error = gotweb_render_briefs(c);
2152 	if (error) {
2153 		log_warnx("%s: %s", __func__, error->msg);
2154 		goto done;
2155 	}
2156 
2157 	error = gotweb_render_tags(c);
2158 	if (error) {
2159 		log_warnx("%s: %s", __func__, error->msg);
2160 		goto done;
2161 	}
2162 
2163 	error = gotweb_render_branches(c);
2164 	if (error)
2165 		log_warnx("%s: %s", __func__, error->msg);
2166 done:
2167 	return error;
2168 }
2169 
2170 static const struct got_error *
2171 gotweb_render_tag(struct request *c)
2172 {
2173 	const struct got_error *error = NULL;
2174 	struct repo_tag *rt = NULL;
2175 	struct transport *t = c->t;
2176 	char *age = NULL, *author = NULL;
2177 
2178 	error = got_get_repo_tags(c, 1);
2179 	if (error)
2180 		goto done;
2181 
2182 	if (t->tag_count == 0) {
2183 		error = got_error_set_errno(GOT_ERR_BAD_OBJ_ID,
2184 		    "bad commit id");
2185 		goto done;
2186 	}
2187 
2188 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
2189 
2190 	error = gotweb_get_time_str(&age, rt->tagger_time, TM_LONG);
2191 	if (error)
2192 		goto done;
2193 	error = gotweb_escape_html(&author, rt->tagger);
2194 	if (error)
2195 		goto done;
2196 
2197 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2198 		goto done;
2199 	if (fcgi_gen_response(c, "<div id='tags_title'>Tag</div>\n") == -1)
2200 		goto done;
2201 	if (fcgi_gen_response(c, "</div>\n") == -1)
2202 		goto done;
2203 
2204 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2205 		goto done;
2206 	if (fcgi_gen_response(c, "<div id='tag_header_wrapper'>\n") == -1)
2207 		goto done;
2208 	if (fcgi_gen_response(c, "<div id='tag_header'>\n") == -1)
2209 		goto done;
2210 
2211 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2212 	    "</div>\n") == -1)
2213 		goto done;
2214 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2215 		goto done;
2216 	if (fcgi_gen_response(c, rt->commit_id) == -1)
2217 		goto done;
2218 
2219 	if (strncmp(rt->tag_name, "refs/", 5) == 0)
2220 		rt->tag_name += 5;
2221 
2222 	if (fcgi_gen_response(c, " <span id='refs_str'>(") == -1)
2223 		goto done;
2224 	if (fcgi_gen_response(c, rt->tag_name) == -1)
2225 		goto done;
2226 	if (fcgi_gen_response(c, ")</span>") == -1)
2227 		goto done;
2228 
2229 	if (fcgi_gen_response(c, "</div>\n") == -1)
2230 		goto done;
2231 
2232 	if (fcgi_gen_response(c, "<div id='header_author_title'>Tagger:"
2233 	    "</div>\n") == -1)
2234 		goto done;
2235 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2236 		goto done;
2237 	if (fcgi_gen_response(c, author ? author : "") == -1)
2238 		goto done;
2239 	if (fcgi_gen_response(c, "</div>\n") == -1)
2240 		goto done;
2241 
2242 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2243 	    "</div>\n") == -1)
2244 		goto done;
2245 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2246 		goto done;
2247 	if (fcgi_gen_response(c, age ? age : "") == -1)
2248 		goto done;
2249 	if (fcgi_gen_response(c, "</div>\n") == -1)
2250 		goto done;
2251 
2252 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2253 	    "</div>\n") == -1)
2254 		goto done;
2255 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2256 		goto done;
2257 	if (fcgi_gen_response(c, rt->commit_msg) == -1)
2258 		goto done;
2259 	if (fcgi_gen_response(c, "</div>\n") == -1)
2260 		goto done;
2261 	if (fcgi_gen_response(c, "</div>\n") == -1)
2262 		goto done;
2263 
2264 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2265 		goto done;
2266 	if (fcgi_gen_response(c, "<div id='tag_commit'>\n") == -1)
2267 		goto done;
2268 
2269 	if (fcgi_gen_response(c, rt->tag_commit) == -1)
2270 		goto done;
2271 
2272 	if (fcgi_gen_response(c, "</div>\n") == -1)
2273 		goto done;
2274 	fcgi_gen_response(c, "</div>\n");
2275 done:
2276 	free(age);
2277 	free(author);
2278 	return error;
2279 }
2280 
2281 static const struct got_error *
2282 gotweb_render_tags(struct request *c)
2283 {
2284 	const struct got_error *error = NULL;
2285 	struct repo_tag *rt = NULL;
2286 	struct server *srv = c->srv;
2287 	struct transport *t = c->t;
2288 	struct querystring *qs = t->qs;
2289 	struct repo_dir *repo_dir = t->repo_dir;
2290 	char *newline;
2291 	char *age = NULL;
2292 	int commit_found = 0;
2293 
2294 	if (qs->action == BRIEFS) {
2295 		qs->action = TAGS;
2296 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
2297 	} else
2298 		error = got_get_repo_tags(c, srv->max_commits_display);
2299 	if (error)
2300 		goto done;
2301 
2302 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2303 		goto done;
2304 	if (fcgi_gen_response(c,
2305 	    "<div id='tags_title'>Tags</div>\n") == -1)
2306 		goto done;
2307 	if (fcgi_gen_response(c, "</div>\n") == -1)
2308 		goto done;
2309 
2310 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2311 		goto done;
2312 
2313 	if (t->tag_count == 0) {
2314 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
2315 			goto done;
2316 		if (fcgi_gen_response(c,
2317 		    "This repository contains no tags\n") == -1)
2318 			goto done;
2319 		if (fcgi_gen_response(c, "</div>\n") == -1)
2320 			goto done;
2321 		if (fcgi_gen_response(c, "</div>\n") == -1)
2322 			goto done;
2323 	}
2324 
2325 	TAILQ_FOREACH(rt, &t->repo_tags, entry) {
2326 		if (commit_found == 0 && qs->commit != NULL) {
2327 			if (strcmp(qs->commit, rt->commit_id) != 0)
2328 				continue;
2329 			else
2330 				commit_found = 1;
2331 		}
2332 		error = gotweb_get_time_str(&age, rt->tagger_time, TM_DIFF);
2333 		if (error)
2334 			goto done;
2335 		if (fcgi_gen_response(c, "<div id='tag_age'>") == -1)
2336 			goto done;
2337 		if (fcgi_gen_response(c, age ? age : "") == -1)
2338 			goto done;
2339 		if (fcgi_gen_response(c, "</div>\n") == -1)
2340 			goto done;
2341 
2342 		if (fcgi_gen_response(c, "<div id='tag'>") == -1)
2343 			goto done;
2344 		if (strncmp(rt->tag_name, "refs/tags/", 10) == 0)
2345 			rt->tag_name += 10;
2346 		if (fcgi_gen_response(c, rt->tag_name) == -1)
2347 			goto done;
2348 		if (fcgi_gen_response(c, "</div>\n") == -1)
2349 			goto done;
2350 
2351 		if (fcgi_gen_response(c, "<div id='tags_log'>") == -1)
2352 			goto done;
2353 		if (rt->tag_commit != NULL) {
2354 			newline = strchr(rt->tag_commit, '\n');
2355 			if (newline)
2356 				*newline = '\0';
2357 		}
2358 
2359 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2360 			goto done;
2361 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2362 			goto done;
2363 		if (fcgi_gen_response(c, "&path=") == -1)
2364 			goto done;
2365 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2366 			goto done;
2367 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2368 			goto done;
2369 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2370 			goto done;
2371 		if (fcgi_gen_response(c, "'>") == -1)
2372 			goto done;
2373 		if (rt->tag_commit != NULL &&
2374 		    fcgi_gen_response(c, rt->tag_commit) == -1)
2375 			goto done;
2376 		if (fcgi_gen_response(c, "</a>") == -1)
2377 			goto done;
2378 		if (fcgi_gen_response(c, "</div>\n") == -1)
2379 			goto done;
2380 
2381 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
2382 			goto done;
2383 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
2384 			goto done;
2385 
2386 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2387 			goto done;
2388 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2389 			goto done;
2390 		if (fcgi_gen_response(c, "&path=") == -1)
2391 			goto done;
2392 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2393 			goto done;
2394 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2395 			goto done;
2396 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2397 			goto done;
2398 		if (fcgi_gen_response(c, "'>") == -1)
2399 			goto done;
2400 		if (fcgi_gen_response(c, "tag") == -1)
2401 			goto done;
2402 		if (fcgi_gen_response(c, "</a>") == -1)
2403 			goto done;
2404 
2405 		if (fcgi_gen_response(c, " | ") == -1)
2406 			goto done;
2407 
2408 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2409 			goto done;
2410 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2411 			goto done;
2412 		if (fcgi_gen_response(c, "&path=") == -1)
2413 			goto done;
2414 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2415 			goto done;
2416 		if (fcgi_gen_response(c, "&action=briefs&commit=") == -1)
2417 			goto done;
2418 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2419 			goto done;
2420 		if (fcgi_gen_response(c, "'>") == -1)
2421 			goto done;
2422 		if (fcgi_gen_response(c, "commit briefs") == -1)
2423 			goto done;
2424 		if (fcgi_gen_response(c, "</a>") == -1)
2425 			goto done;
2426 
2427 		if (fcgi_gen_response(c, " | ") == -1)
2428 			goto done;
2429 
2430 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2431 			goto done;
2432 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2433 			goto done;
2434 		if (fcgi_gen_response(c, "&path=") == -1)
2435 			goto done;
2436 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2437 			goto done;
2438 		if (fcgi_gen_response(c, "&action=commits&commit=") == -1)
2439 			goto done;
2440 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2441 			goto done;
2442 		if (fcgi_gen_response(c, "'>") == -1)
2443 			goto done;
2444 		if (fcgi_gen_response(c, "commits") == -1)
2445 			goto done;
2446 		if (fcgi_gen_response(c, "</a>") == -1)
2447 			goto done;
2448 
2449 		if (fcgi_gen_response(c, "</div>\n") == -1)
2450 			goto done;
2451 		if (fcgi_gen_response(c, "</div>\n") == -1)
2452 			goto done;
2453 		if (fcgi_gen_response(c,
2454 		    "<div id='dotted_line'></div>\n") == -1)
2455 			goto done;
2456 
2457 		free(age);
2458 		age = NULL;
2459 	}
2460 	if (t->next_id || t->prev_id) {
2461 		error = gotweb_render_navs(c);
2462 		if (error)
2463 			goto done;
2464 	}
2465 	fcgi_gen_response(c, "</div>\n");
2466 done:
2467 	free(age);
2468 	return error;
2469 }
2470 
2471 const struct got_error *
2472 gotweb_escape_html(char **escaped_html, const char *orig_html)
2473 {
2474 	const struct got_error *error = NULL;
2475 	struct escape_pair {
2476 		char c;
2477 		const char *s;
2478 	} esc[] = {
2479 		{ '>', "&gt;" },
2480 		{ '<', "&lt;" },
2481 		{ '&', "&amp;" },
2482 		{ '"', "&quot;" },
2483 		{ '\'', "&apos;" },
2484 		{ '\n', "<br />" },
2485 	};
2486 	size_t orig_len, len;
2487 	int i, j, x;
2488 
2489 	orig_len = strlen(orig_html);
2490 	len = orig_len;
2491 	for (i = 0; i < orig_len; i++) {
2492 		for (j = 0; j < nitems(esc); j++) {
2493 			if (orig_html[i] != esc[j].c)
2494 				continue;
2495 			len += strlen(esc[j].s) - 1 /* escaped char */;
2496 		}
2497 	}
2498 
2499 	*escaped_html = calloc(len + 1 /* NUL */, sizeof(**escaped_html));
2500 	if (*escaped_html == NULL)
2501 		return got_error_from_errno("calloc");
2502 
2503 	x = 0;
2504 	for (i = 0; i < orig_len; i++) {
2505 		int escaped = 0;
2506 		for (j = 0; j < nitems(esc); j++) {
2507 			if (orig_html[i] != esc[j].c)
2508 				continue;
2509 
2510 			if (strlcat(*escaped_html, esc[j].s, len + 1)
2511 			    >= len + 1) {
2512 				error = got_error(GOT_ERR_NO_SPACE);
2513 				goto done;
2514 			}
2515 			x += strlen(esc[j].s);
2516 			escaped = 1;
2517 			break;
2518 		}
2519 		if (!escaped) {
2520 			(*escaped_html)[x] = orig_html[i];
2521 			x++;
2522 		}
2523 	}
2524 done:
2525 	if (error) {
2526 		free(*escaped_html);
2527 		*escaped_html = NULL;
2528 	} else {
2529 		(*escaped_html)[x] = '\0';
2530 	}
2531 
2532 	return error;
2533 }
2534 
2535 static const struct got_error *
2536 gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
2537 {
2538 	const struct got_error *error = NULL;
2539 	struct socket *sock = c->sock;
2540 	struct server *srv = c->srv;
2541 	struct transport *t = c->t;
2542 	DIR *dt;
2543 	char *dir_test;
2544 	int opened = 0;
2545 
2546 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2547 	    GOTWEB_GIT_DIR) == -1)
2548 		return got_error_from_errno("asprintf");
2549 
2550 	dt = opendir(dir_test);
2551 	if (dt == NULL) {
2552 		free(dir_test);
2553 	} else {
2554 		repo_dir->path = strdup(dir_test);
2555 		if (repo_dir->path == NULL) {
2556 			opened = 1;
2557 			error = got_error_from_errno("strdup");
2558 			goto err;
2559 		}
2560 		opened = 1;
2561 		goto done;
2562 	}
2563 
2564 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2565 	    GOTWEB_GOT_DIR) == -1) {
2566 		dir_test = NULL;
2567 		error = got_error_from_errno("asprintf");
2568 		goto err;
2569 	}
2570 
2571 	dt = opendir(dir_test);
2572 	if (dt == NULL)
2573 		free(dir_test);
2574 	else {
2575 		opened = 1;
2576 		error = got_error(GOT_ERR_NOT_GIT_REPO);
2577 		goto err;
2578 	}
2579 
2580 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
2581 	    repo_dir->name) == -1) {
2582 		error = got_error_from_errno("asprintf");
2583 		dir_test = NULL;
2584 		goto err;
2585 	}
2586 
2587 	repo_dir->path = strdup(dir_test);
2588 	if (repo_dir->path == NULL) {
2589 		opened = 1;
2590 		error = got_error_from_errno("strdup");
2591 		goto err;
2592 	}
2593 
2594 	dt = opendir(dir_test);
2595 	if (dt == NULL) {
2596 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
2597 		goto err;
2598 	} else
2599 		opened = 1;
2600 done:
2601 	error = got_repo_open(&t->repo, repo_dir->path, NULL, sock->pack_fds);
2602 	if (error)
2603 		goto err;
2604 	error = gotweb_get_repo_description(&repo_dir->description, srv,
2605 	    repo_dir->path);
2606 	if (error)
2607 		goto err;
2608 	error = got_get_repo_owner(&repo_dir->owner, c, repo_dir->path);
2609 	if (error)
2610 		goto err;
2611 	error = got_get_repo_age(&repo_dir->age, c, repo_dir->path,
2612 	    NULL, TM_DIFF);
2613 	if (error)
2614 		goto err;
2615 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path);
2616 err:
2617 	free(dir_test);
2618 	if (opened)
2619 		if (dt != NULL && closedir(dt) == EOF && error == NULL)
2620 			error = got_error_from_errno("closedir");
2621 	return error;
2622 }
2623 
2624 static const struct got_error *
2625 gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
2626 {
2627 	const struct got_error *error;
2628 
2629 	*repo_dir = calloc(1, sizeof(**repo_dir));
2630 	if (*repo_dir == NULL)
2631 		return got_error_from_errno("calloc");
2632 
2633 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
2634 		error = got_error_from_errno("asprintf");
2635 		free(*repo_dir);
2636 		*repo_dir = NULL;
2637 		return error;
2638 	}
2639 	(*repo_dir)->owner = NULL;
2640 	(*repo_dir)->description = NULL;
2641 	(*repo_dir)->url = NULL;
2642 	(*repo_dir)->age = NULL;
2643 	(*repo_dir)->path = NULL;
2644 
2645 	return NULL;
2646 }
2647 
2648 static const struct got_error *
2649 gotweb_get_repo_description(char **description, struct server *srv, char *dir)
2650 {
2651 	const struct got_error *error = NULL;
2652 	FILE *f = NULL;
2653 	char *d_file = NULL;
2654 	unsigned int len;
2655 	size_t n;
2656 
2657 	*description = NULL;
2658 	if (srv->show_repo_description == 0)
2659 		return NULL;
2660 
2661 	if (asprintf(&d_file, "%s/description", dir) == -1)
2662 		return got_error_from_errno("asprintf");
2663 
2664 	f = fopen(d_file, "r");
2665 	if (f == NULL) {
2666 		if (errno == ENOENT || errno == EACCES)
2667 			return NULL;
2668 		error = got_error_from_errno2("fopen", d_file);
2669 		goto done;
2670 	}
2671 
2672 	if (fseek(f, 0, SEEK_END) == -1) {
2673 		error = got_ferror(f, GOT_ERR_IO);
2674 		goto done;
2675 	}
2676 	len = ftell(f);
2677 	if (len == -1) {
2678 		error = got_ferror(f, GOT_ERR_IO);
2679 		goto done;
2680 	}
2681 
2682 	if (len == 0)
2683 		goto done;
2684 
2685 	if (fseek(f, 0, SEEK_SET) == -1) {
2686 		error = got_ferror(f, GOT_ERR_IO);
2687 		goto done;
2688 	}
2689 	*description = calloc(len + 1, sizeof(**description));
2690 	if (*description == NULL) {
2691 		error = got_error_from_errno("calloc");
2692 		goto done;
2693 	}
2694 
2695 	n = fread(*description, 1, len, f);
2696 	if (n == 0 && ferror(f))
2697 		error = got_ferror(f, GOT_ERR_IO);
2698 done:
2699 	if (f != NULL && fclose(f) == EOF && error == NULL)
2700 		error = got_error_from_errno("fclose");
2701 	free(d_file);
2702 	return error;
2703 }
2704 
2705 static const struct got_error *
2706 gotweb_get_clone_url(char **url, struct server *srv, char *dir)
2707 {
2708 	const struct got_error *error = NULL;
2709 	FILE *f;
2710 	char *d_file = NULL;
2711 	unsigned int len;
2712 	size_t n;
2713 
2714 	*url = NULL;
2715 
2716 	if (srv->show_repo_cloneurl == 0)
2717 		return NULL;
2718 
2719 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2720 		return got_error_from_errno("asprintf");
2721 
2722 	f = fopen(d_file, "r");
2723 	if (f == NULL) {
2724 		if (errno != ENOENT && errno != EACCES)
2725 			error = got_error_from_errno2("fopen", d_file);
2726 		goto done;
2727 	}
2728 
2729 	if (fseek(f, 0, SEEK_END) == -1) {
2730 		error = got_ferror(f, GOT_ERR_IO);
2731 		goto done;
2732 	}
2733 	len = ftell(f);
2734 	if (len == -1) {
2735 		error = got_ferror(f, GOT_ERR_IO);
2736 		goto done;
2737 	}
2738 	if (len == 0)
2739 		goto done;
2740 
2741 	if (fseek(f, 0, SEEK_SET) == -1) {
2742 		error = got_ferror(f, GOT_ERR_IO);
2743 		goto done;
2744 	}
2745 
2746 	*url = calloc(len + 1, sizeof(**url));
2747 	if (*url == NULL) {
2748 		error = got_error_from_errno("calloc");
2749 		goto done;
2750 	}
2751 
2752 	n = fread(*url, 1, len, f);
2753 	if (n == 0 && ferror(f))
2754 		error = got_ferror(f, GOT_ERR_IO);
2755 done:
2756 	if (f != NULL && fclose(f) == EOF && error == NULL)
2757 		error = got_error_from_errno("fclose");
2758 	free(d_file);
2759 	return error;
2760 }
2761 
2762 const struct got_error *
2763 gotweb_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2764 {
2765 	struct tm tm;
2766 	long long diff_time;
2767 	const char *years = "years ago", *months = "months ago";
2768 	const char *weeks = "weeks ago", *days = "days ago";
2769 	const char *hours = "hours ago",  *minutes = "minutes ago";
2770 	const char *seconds = "seconds ago", *now = "right now";
2771 	char *s;
2772 	char datebuf[29];
2773 
2774 	*repo_age = NULL;
2775 
2776 	switch (ref_tm) {
2777 	case TM_DIFF:
2778 		diff_time = time(NULL) - committer_time;
2779 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2780 			if (asprintf(repo_age, "%lld %s",
2781 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2782 				return got_error_from_errno("asprintf");
2783 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2784 			if (asprintf(repo_age, "%lld %s",
2785 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2786 			    months) == -1)
2787 				return got_error_from_errno("asprintf");
2788 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2789 			if (asprintf(repo_age, "%lld %s",
2790 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2791 				return got_error_from_errno("asprintf");
2792 		} else if (diff_time > 60 * 60 * 24 * 2) {
2793 			if (asprintf(repo_age, "%lld %s",
2794 			    (diff_time / 60 / 60 / 24), days) == -1)
2795 				return got_error_from_errno("asprintf");
2796 		} else if (diff_time > 60 * 60 * 2) {
2797 			if (asprintf(repo_age, "%lld %s",
2798 			    (diff_time / 60 / 60), hours) == -1)
2799 				return got_error_from_errno("asprintf");
2800 		} else if (diff_time > 60 * 2) {
2801 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2802 			    minutes) == -1)
2803 				return got_error_from_errno("asprintf");
2804 		} else if (diff_time > 2) {
2805 			if (asprintf(repo_age, "%lld %s", diff_time,
2806 			    seconds) == -1)
2807 				return got_error_from_errno("asprintf");
2808 		} else {
2809 			if (asprintf(repo_age, "%s", now) == -1)
2810 				return got_error_from_errno("asprintf");
2811 		}
2812 		break;
2813 	case TM_LONG:
2814 		if (gmtime_r(&committer_time, &tm) == NULL)
2815 			return got_error_from_errno("gmtime_r");
2816 
2817 		s = asctime_r(&tm, datebuf);
2818 		if (s == NULL)
2819 			return got_error_from_errno("asctime_r");
2820 
2821 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2822 			return got_error_from_errno("asprintf");
2823 		break;
2824 	}
2825 	return NULL;
2826 }