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 <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include "got_error.h"
35 #include "got_object.h"
36 #include "got_reference.h"
37 #include "got_repository.h"
38 #include "got_path.h"
39 #include "got_cancel.h"
40 #include "got_worktree.h"
41 #include "got_diff.h"
42 #include "got_commit_graph.h"
43 #include "got_blame.h"
44 #include "got_privsep.h"
45 
46 #include "proc.h"
47 #include "gotwebd.h"
48 
49 #include "got_compat.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 = gotweb_render_content_type(c, "text/plain");
181 		if (error) {
182 			log_warnx("%s: %s", __func__, error->msg);
183 			goto err;
184 		}
185 		error = got_output_file_blob(c);
186 		if (error) {
187 			log_warnx("%s: %s", __func__, error->msg);
188 			goto err;
189 		}
190 		goto done;
191 	} else {
192 render:
193 		error = gotweb_render_content_type(c, "text/html");
194 		if (error) {
195 			log_warnx("%s: %s", __func__, error->msg);
196 			goto err;
197 		}
198 		html = 1;
199 	}
200 
201 	error = gotweb_render_header(c);
202 	if (error) {
203 		log_warnx("%s: %s", __func__, error->msg);
204 		goto err;
205 	}
206 
207 	if (error2) {
208 		error = error2;
209 		goto err;
210 	}
211 
212 	switch(qs->action) {
213 	case BLAME:
214 		error = gotweb_render_blame(c);
215 		if (error) {
216 			log_warnx("%s: %s", __func__, error->msg);
217 			goto err;
218 		}
219 		break;
220 	case BRIEFS:
221 		error = gotweb_render_briefs(c);
222 		if (error) {
223 			log_warnx("%s: %s", __func__, error->msg);
224 			goto err;
225 		}
226 		break;
227 	case COMMITS:
228 		error = gotweb_render_commits(c);
229 		if (error) {
230 			log_warnx("%s: %s", __func__, error->msg);
231 			goto err;
232 		}
233 		break;
234 	case DIFF:
235 		error = gotweb_render_diff(c);
236 		if (error) {
237 			log_warnx("%s: %s", __func__, error->msg);
238 			goto err;
239 		}
240 		break;
241 	case INDEX:
242 		error = gotweb_render_index(c);
243 		if (error) {
244 			log_warnx("%s: %s", __func__, error->msg);
245 			goto err;
246 		}
247 		break;
248 	case SUMMARY:
249 		error = gotweb_render_summary(c);
250 		if (error) {
251 			log_warnx("%s: %s", __func__, error->msg);
252 			goto err;
253 		}
254 		break;
255 	case TAG:
256 		error = gotweb_render_tag(c);
257 		if (error) {
258 			log_warnx("%s: %s", __func__, error->msg);
259 			goto err;
260 		}
261 		break;
262 	case TAGS:
263 		error = gotweb_render_tags(c);
264 		if (error) {
265 			log_warnx("%s: %s", __func__, error->msg);
266 			goto err;
267 		}
268 		break;
269 	case TREE:
270 		error = gotweb_render_tree(c);
271 		if (error) {
272 			log_warnx("%s: %s", __func__, error->msg);
273 			goto err;
274 		}
275 		break;
276 	case ERR:
277 	default:
278 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
279 			goto err;
280 		if (fcgi_gen_response(c, "Error: Bad Querystring\n") == -1)
281 			goto err;
282 		if (fcgi_gen_response(c, "</div>\n") == -1)
283 			goto err;
284 		break;
285 	}
286 
287 	goto done;
288 err:
289 	if (html && fcgi_gen_response(c, "<div id='err_content'>") == -1)
290 		return;
291 	if (fcgi_gen_response(c, err) == -1)
292 		return;
293 	if (error) {
294 		if (fcgi_gen_response(c, (uint8_t *)error->msg) == -1)
295 			return;
296 	} else {
297 		if (fcgi_gen_response(c, "see daemon logs for details") == -1)
298 			return;
299 	}
300 	if (html && fcgi_gen_response(c, "</div>\n") == -1)
301 		return;
302 done:
303 	if (c->t->repo != NULL && qs->action != INDEX)
304 		got_repo_close(c->t->repo);
305 	if (html && srv != NULL)
306 		gotweb_render_footer(c);
307 }
308 
309 struct server *
310 gotweb_get_server(uint8_t *server_name, uint8_t *document_root,
311     uint8_t *subdomain)
312 {
313 	struct server *srv = NULL;
314 
315 	/* check against document_root first */
316 	if (strlen(server_name) > 0)
317 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
318 			if (strcmp(srv->name, server_name) == 0)
319 				goto done;
320 
321 	/* check against document_root second */
322 	if (strlen(document_root) > 0)
323 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
324 			if (strcmp(srv->name, document_root) == 0)
325 				goto done;
326 
327 	/* check against subdomain third */
328 	if (strlen(subdomain) > 0)
329 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
330 			if (strcmp(srv->name, subdomain) == 0)
331 				goto done;
332 
333 	/* if those fail, send first server */
334 	TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
335 		if (srv != NULL)
336 			break;
337 done:
338 	return srv;
339 };
340 
341 const struct got_error *
342 gotweb_init_transport(struct transport **t)
343 {
344 	const struct got_error *error = NULL;
345 
346 	*t = calloc(1, sizeof(**t));
347 	if (*t == NULL)
348 		return got_error_from_errno2("%s: calloc", __func__);
349 
350 	TAILQ_INIT(&(*t)->repo_commits);
351 	TAILQ_INIT(&(*t)->repo_tags);
352 
353 	(*t)->repo = NULL;
354 	(*t)->repo_dir = NULL;
355 	(*t)->qs = NULL;
356 	(*t)->next_id = NULL;
357 	(*t)->prev_id = NULL;
358 	(*t)->next_disp = 0;
359 	(*t)->prev_disp = 0;
360 
361 	return error;
362 }
363 
364 static const struct got_error *
365 gotweb_init_querystring(struct querystring **qs)
366 {
367 	const struct got_error *error = NULL;
368 
369 	*qs = calloc(1, sizeof(**qs));
370 	if (*qs == NULL)
371 		return got_error_from_errno2("%s: calloc", __func__);
372 
373 	(*qs)->action = INDEX;
374 	(*qs)->commit = NULL;
375 	(*qs)->file = NULL;
376 	(*qs)->folder = NULL;
377 	(*qs)->headref = strdup("HEAD");
378 	if ((*qs)->headref == NULL) {
379 		return got_error_from_errno2("%s: strdup", __func__);
380 	}
381 	(*qs)->index_page = 0;
382 	(*qs)->index_page_str = NULL;
383 	(*qs)->path = NULL;
384 
385 	return error;
386 }
387 
388 static const struct got_error *
389 gotweb_parse_querystring(struct querystring **qs, char *qst)
390 {
391 	const struct got_error *error = NULL;
392 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
393 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
394 
395 	if (qst == NULL)
396 		return error;
397 
398 	tok1 = strdup(qst);
399 	if (tok1 == NULL)
400 		return got_error_from_errno2("%s: strdup", __func__);
401 
402 	tok1_pair = tok1;
403 	tok1_end = tok1;
404 
405 	while (tok1_pair != NULL) {
406 		strsep(&tok1_end, "&");
407 
408 		tok2 = strdup(tok1_pair);
409 		if (tok2 == NULL) {
410 			free(tok1);
411 			return got_error_from_errno2("%s: strdup", __func__);
412 		}
413 
414 		tok2_pair = tok2;
415 		tok2_end = tok2;
416 
417 		while (tok2_pair != NULL) {
418 			strsep(&tok2_end, "=");
419 			if (tok2_end) {
420 				error = gotweb_assign_querystring(qs, tok2_pair,
421 				    tok2_end);
422 				if (error)
423 					goto err;
424 			}
425 			tok2_pair = tok2_end;
426 		}
427 		free(tok2);
428 		tok1_pair = tok1_end;
429 	}
430 	free(tok1);
431 	return error;
432 err:
433 	free(tok2);
434 	free(tok1);
435 	return error;
436 }
437 
438 static const struct got_error *
439 gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
440 {
441 	const struct got_error *error = NULL;
442 	const char *errstr;
443 	int a_cnt, el_cnt;
444 
445 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
446 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
447 			continue;
448 
449 		switch (querystring_keys[el_cnt].element) {
450 		case ACTION:
451 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
452 				if (strcmp(value, action_keys[a_cnt].name) != 0)
453 					continue;
454 				else if (strcmp(value,
455 				    action_keys[a_cnt].name) == 0){
456 					(*qs)->action =
457 					    action_keys[a_cnt].action;
458 					goto qa_found;
459 				}
460 			}
461 			(*qs)->action = ERR;
462 qa_found:
463 			break;
464 		case COMMIT:
465 			(*qs)->commit = strdup(value);
466 			if ((*qs)->commit == NULL) {
467 				error = got_error_from_errno2("%s: strdup",
468 				    __func__);
469 				goto done;
470 			}
471 			break;
472 		case RFILE:
473 			(*qs)->file = strdup(value);
474 			if ((*qs)->file == NULL) {
475 				error = got_error_from_errno2("%s: strdup",
476 				    __func__);
477 				goto done;
478 			}
479 			break;
480 		case FOLDER:
481 			(*qs)->folder = strdup(value);
482 			if ((*qs)->folder == NULL) {
483 				error = got_error_from_errno2("%s: strdup",
484 				    __func__);
485 				goto done;
486 			}
487 			break;
488 		case HEADREF:
489 			(*qs)->headref = strdup(value);
490 			if ((*qs)->headref == NULL) {
491 				error = got_error_from_errno2("%s: strdup",
492 				    __func__);
493 				goto done;
494 			}
495 			break;
496 		case INDEX_PAGE:
497 			if (strlen(value) == 0)
498 				break;
499 			(*qs)->index_page_str = strdup(value);
500 			if ((*qs)->index_page_str == NULL) {
501 				error = got_error_from_errno2("%s: strdup",
502 				    __func__);
503 				goto done;
504 			}
505 			(*qs)->index_page = strtonum(value, INT64_MIN,
506 			    INT64_MAX, &errstr);
507 			if (errstr) {
508 				error = got_error_from_errno3("%s: strtonum %s",
509 				    __func__, errstr);
510 				goto done;
511 			}
512 			if ((*qs)->index_page < 0) {
513 				(*qs)->index_page = 0;
514 				sprintf((*qs)->index_page_str, "%d", 0);
515 			}
516 			break;
517 		case PATH:
518 			(*qs)->path = strdup(value);
519 			if ((*qs)->path == NULL) {
520 				error = got_error_from_errno2("%s: strdup",
521 				    __func__);
522 				goto done;
523 			}
524 			break;
525 		case PAGE:
526 			if (strlen(value) == 0)
527 				break;
528 			(*qs)->page_str = strdup(value);
529 			if ((*qs)->page_str == NULL) {
530 				error = got_error_from_errno2("%s: strdup",
531 				    __func__);
532 				goto done;
533 			}
534 			(*qs)->page = strtonum(value, INT64_MIN,
535 			    INT64_MAX, &errstr);
536 			if (errstr) {
537 				error = got_error_from_errno3("%s: strtonum %s",
538 				    __func__, errstr);
539 				goto done;
540 			}
541 			if ((*qs)->page < 0) {
542 				(*qs)->page = 0;
543 				sprintf((*qs)->page_str, "%d", 0);
544 			}
545 			break;
546 		default:
547 			break;
548 		}
549 	}
550 done:
551 	return error;
552 }
553 
554 void
555 gotweb_free_repo_tag(struct repo_tag *rt)
556 {
557 	if (rt != NULL) {
558 		free(rt->commit_msg);
559 		free(rt->commit_id);
560 		free(rt->tagger);
561 	}
562 	free(rt);
563 }
564 
565 void
566 gotweb_free_repo_commit(struct repo_commit *rc)
567 {
568 	if (rc != NULL) {
569 		free(rc->path);
570 		free(rc->refs_str);
571 		free(rc->commit_id);
572 		free(rc->parent_id);
573 		free(rc->tree_id);
574 		free(rc->author);
575 		free(rc->committer);
576 		free(rc->commit_msg);
577 	}
578 	free(rc);
579 }
580 
581 static void
582 gotweb_free_querystring(struct querystring *qs)
583 {
584 	if (qs != NULL) {
585 		free(qs->commit);
586 		free(qs->file);
587 		free(qs->folder);
588 		free(qs->headref);
589 		free(qs->index_page_str);
590 		free(qs->path);
591 		free(qs->page_str);
592 	}
593 	free(qs);
594 }
595 
596 static void
597 gotweb_free_repo_dir(struct repo_dir *repo_dir)
598 {
599 	if (repo_dir != NULL) {
600 		free(repo_dir->name);
601 		free(repo_dir->owner);
602 		free(repo_dir->description);
603 		free(repo_dir->url);
604 		free(repo_dir->age);
605 		free(repo_dir->path);
606 	}
607 	free(repo_dir);
608 }
609 
610 void
611 gotweb_free_transport(struct transport *t)
612 {
613 	struct repo_commit *rc = NULL, *trc = NULL;
614 	struct repo_tag *rt = NULL, *trt = NULL;
615 
616 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
617 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
618 		gotweb_free_repo_commit(rc);
619 	}
620 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
621 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
622 		gotweb_free_repo_tag(rt);
623 	}
624 	gotweb_free_repo_dir(t->repo_dir);
625 	gotweb_free_querystring(t->qs);
626 	if (t != NULL) {
627 		free(t->next_id);
628 		free(t->prev_id);
629 	}
630 	free(t);
631 }
632 
633 const struct got_error *
634 gotweb_render_content_type(struct request *c, const uint8_t *type)
635 {
636 	const struct got_error *error = NULL;
637 	char *h = NULL;
638 
639 	if (asprintf(&h, "Content-type: %s\r\n\r\n", type) == -1) {
640 		error = got_error_from_errno2("%s: asprintf", __func__);
641 		goto done;
642 	}
643 
644 	fcgi_gen_response(c, h);
645 done:
646 	free(h);
647 
648 	return error;
649 }
650 
651 const struct got_error *
652 gotweb_render_content_type_file(struct request *c, const uint8_t *type,
653     char *file)
654 {
655 	const struct got_error *error = NULL;
656 	char *h = NULL;
657 
658 	if (asprintf(&h, "Content-type: %s\r\n"
659 	    "Content-disposition: attachment; filename=%s\r\n\r\n",
660 	    type, file) == -1) {
661 		error = got_error_from_errno2("%s: asprintf", __func__);
662 		goto done;
663 	}
664 
665 	fcgi_gen_response(c, h);
666 done:
667 	free(h);
668 
669 	return error;
670 }
671 
672 static const struct got_error *
673 gotweb_render_header(struct request *c)
674 {
675 	const struct got_error *error = NULL;
676 	struct server *srv = c->srv;
677 	struct querystring *qs = c->t->qs;
678 	char *title = NULL, *droot = NULL, *css = NULL, *gotlink = NULL;
679 	char *gotimg = NULL, *sitelink = NULL, *summlink = NULL;
680 
681 	if (strlen(c->document_root) > 0) {
682 		if (asprintf(&droot, "/%s/", c->document_root) == -1) {
683 			error = got_error_from_errno2("%s: asprintf", __func__);
684 			goto done;
685 		}
686 	} else {
687 		if (asprintf(&droot, "/") == -1) {
688 			error = got_error_from_errno2("%s: asprintf", __func__);
689 			goto done;
690 		}
691 	}
692 
693 	if (asprintf(&title, "<title>%s</title>\n", srv->site_name) == -1) {
694 		error = got_error_from_errno2("%s: asprintf", __func__);
695 		goto done;
696 	}
697 	if (asprintf(&css,
698 	    "<link rel='stylesheet' type='text/css' href='%s%s'/>\n",
699 	    droot, srv->custom_css) == -1) {
700 		error = got_error_from_errno2("%s: asprintf", __func__);
701 		goto done;
702 	}
703 	if (asprintf(&gotlink, "<a href='%s' target='_sotd'>",
704 	    srv->logo_url) == -1) {
705 		error = got_error_from_errno2("%s: asprintf", __func__);
706 		goto done;
707 	}
708 	if (asprintf(&gotimg, "<img src='%s%s' alt='logo' id='logo'/></a>",
709 	    droot, srv->logo) == -1) {
710 		error = got_error_from_errno2("%s: asprintf", __func__);
711 		goto done;
712 	}
713 	if (asprintf(&sitelink, "<a href='/%s?index_page=%d' "
714 	    "alt='sitelink'>%s</a>", c->document_root, qs->index_page,
715 	    srv->site_link) == -1) {
716 		error = got_error_from_errno2("%s: asprintf", __func__);
717 		goto done;
718 	}
719 	if (asprintf(&summlink, "<a href='/%s?index_page=%d&path=%s"
720 	    "&action=summary' alt='summlink'>%s</a>", c->document_root,
721 	    qs->index_page, qs->path, qs->path) == -1) {
722 		error = got_error_from_errno2("%s: asprintf", __func__);
723 		goto done;
724 	}
725 
726 	if (fcgi_gen_response(c, "<!DOCTYPE html>\n<head>\n") == -1)
727 		goto done;
728 	if (fcgi_gen_response(c, title) == -1)
729 		goto done;
730 	if (fcgi_gen_response(c, "<meta name='viewport' "
731 	    "content='initial-scale=.75, user-scalable=yes'/>\n") == -1)
732 		goto done;
733 	if (fcgi_gen_response(c, "<meta charset='utf-8'/>\n") == -1)
734 		goto done;
735 	if (fcgi_gen_response(c, "<meta name='msapplication-TileColor' "
736 	    "content='#da532c'/>\n") == -1)
737 		goto done;
738 	if (fcgi_gen_response(c,
739 	    "<meta name='theme-color' content='#ffffff'/>\n") == -1)
740 		goto done;
741 	if (fcgi_gen_response(c, "<link rel='apple-touch-icon' sizes='180x180' "
742 	    "href='/apple-touch-icon.png'/>\n") == -1)
743 		goto done;
744 	if (fcgi_gen_response(c,
745 	    "<link rel='icon' type='image/png' sizes='32x32' "
746 	    "href='/favicon-32x32.png'/>\n") == -1)
747 		goto done;
748 	if (fcgi_gen_response(c, "<link rel='icon' type='image/png' "
749 	    "sizes='16x16' href='/favicon-16x16.png'/>\n") == -1)
750 		goto done;
751 	if (fcgi_gen_response(c, "<link rel='manifest' "
752 	    "href='/site.webmanifest'/>\n") == -1)
753 		goto done;
754 	if (fcgi_gen_response(c, "<link rel='mask-icon' "
755 	    "href='/safari-pinned-tab.svg'/>\n") == -1)
756 		goto done;
757 	if (fcgi_gen_response(c, css) == -1)
758 		goto done;
759 	if (fcgi_gen_response(c, "</head>\n<body>\n<div id='gw_body'>\n") == -1)
760 		goto done;
761 	if (fcgi_gen_response(c,
762 	    "<div id='header'>\n<div id='got_link'>") == -1)
763 		goto done;
764 	if (fcgi_gen_response(c, gotlink) == -1)
765 		goto done;
766 	if (fcgi_gen_response(c, gotimg) == -1)
767 		goto done;
768 	if (fcgi_gen_response(c, "</div>\n</div>\n") == -1)
769 		goto done;
770 	if (fcgi_gen_response(c,
771 	    "<div id='site_path'>\n<div id='site_link'>") == -1)
772 		goto done;
773 	if (fcgi_gen_response(c, sitelink) == -1)
774 		goto done;
775 	if (qs != NULL) {
776 		if (qs->path != NULL) {
777 			if (fcgi_gen_response(c, " / ") == -1)
778 				goto done;
779 			if (fcgi_gen_response(c, summlink) == -1)
780 				goto done;
781 		}
782 		if (qs->action != INDEX) {
783 			if (fcgi_gen_response(c, " / ") == -1)
784 				goto done;
785 			switch(qs->action) {
786 			case(BLAME):
787 				if (fcgi_gen_response(c, "blame") == -1)
788 					goto done;
789 				break;
790 			case(BRIEFS):
791 				if (fcgi_gen_response(c, "briefs") == -1)
792 					goto done;
793 				break;
794 			case(COMMITS):
795 				if (fcgi_gen_response(c, "commits") == -1)
796 					goto done;
797 				break;
798 			case(DIFF):
799 				if (fcgi_gen_response(c, "diff") == -1)
800 					goto done;
801 				break;
802 			case(SUMMARY):
803 				if (fcgi_gen_response(c, "summary") == -1)
804 					goto done;
805 				break;
806 			case(TAG):
807 				if (fcgi_gen_response(c, "tag") == -1)
808 					goto done;
809 				break;
810 			case(TAGS):
811 				if (fcgi_gen_response(c, "tags") == -1)
812 					goto done;
813 				break;
814 			case(TREE):
815 				if (fcgi_gen_response(c, "tree") == -1)
816 					goto done;
817 				break;
818 			default:
819 				break;
820 			}
821 		}
822 
823 	}
824 	fcgi_gen_response(c, "</div>\n</div>\n<div id='content'>\n");
825 done:
826 	free(title);
827 	free(droot);
828 	free(css);
829 	free(gotlink);
830 	free(gotimg);
831 	free(sitelink);
832 	free(summlink);
833 
834 	return error;
835 }
836 
837 static const struct got_error *
838 gotweb_render_footer(struct request *c)
839 {
840 	const struct got_error *error = NULL;
841 	struct server *srv = c->srv;
842 	char *siteowner = NULL;
843 
844 	if (fcgi_gen_response(c, "<div id='site_owner_wrapper'>\n") == -1)
845 		goto done;
846 	if (fcgi_gen_response(c, "<div id='site_owner'>") == -1)
847 		goto done;
848 	if (srv->show_site_owner) {
849 		error = gotweb_escape_html(&siteowner, srv->site_owner);
850 		if (error)
851 			goto done;
852 		if (fcgi_gen_response(c, siteowner) == -1)
853 			goto done;
854 	} else
855 		if (fcgi_gen_response(c, "&nbsp;") == -1)
856 			goto done;
857 	fcgi_gen_response(c, "</div>\n</div>\n</div>\n</body>\n</html>");
858 done:
859 	free(siteowner);
860 
861 	return error;
862 }
863 
864 static const struct got_error *
865 gotweb_render_navs(struct request *c)
866 {
867 	const struct got_error *error = NULL;
868 	struct transport *t = c->t;
869 	struct querystring *qs = t->qs;
870 	struct server *srv = c->srv;
871 	char *nhref = NULL, *phref = NULL;
872 	int disp = 0;
873 
874 	if (fcgi_gen_response(c, "<div id='np_wrapper'>\n") == -1)
875 		goto done;
876 	if (fcgi_gen_response(c, "<div id='nav_prev'>") == -1)
877 		goto done;
878 
879 	switch(qs->action) {
880 	case INDEX:
881 		if (qs->index_page > 0) {
882 			if (asprintf(&phref, "index_page=%d",
883 			    qs->index_page - 1) == -1) {
884 				error = got_error_from_errno2("%s: asprintf",
885 				    __func__);
886 				goto done;
887 			}
888 			disp = 1;
889 		}
890 		break;
891 	case BRIEFS:
892 		if (t->prev_id && qs->commit != NULL &&
893 		    strcmp(qs->commit, t->prev_id) != 0) {
894 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
895 			    "&action=briefs&commit=%s&headref=%s",
896 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
897 			    qs->headref) == -1) {
898 				error = got_error_from_errno2("%s: asprintf",
899 				    __func__);
900 				goto done;
901 			}
902 			disp = 1;
903 		}
904 		break;
905 	case COMMITS:
906 		if (t->prev_id && qs->commit != NULL &&
907 		    strcmp(qs->commit, t->prev_id) != 0) {
908 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
909 			    "&action=commits&commit=%s&headref=%s&folder=%s"
910 			    "&file=%s",
911 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
912 			    qs->headref, qs->folder ? qs->folder : "",
913 			    qs->file ? qs->file : "") == -1) {
914 				error = got_error_from_errno2("%s: asprintf",
915 				    __func__);
916 				goto done;
917 			}
918 			disp = 1;
919 		}
920 		break;
921 	case TAGS:
922 		if (t->prev_id && qs->commit != NULL &&
923 		    strcmp(qs->commit, t->prev_id) != 0) {
924 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
925 			    "&action=tags&commit=%s&headref=%s",
926 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
927 			    qs->headref) == -1) {
928 				error = got_error_from_errno2("%s: asprintf",
929 				    __func__);
930 				goto done;
931 			}
932 			disp = 1;
933 		}
934 		break;
935 	default:
936 		disp = 0;
937 		break;
938 	}
939 
940 	if (disp) {
941 		if (fcgi_gen_response(c, "<a href='?") == -1)
942 			goto  done;
943 		if (fcgi_gen_response(c, phref) == -1)
944 			goto done;
945 		if (fcgi_gen_response(c, "'>Previous</a>") == -1)
946 			goto done;
947 	}
948 	if (fcgi_gen_response(c, "</div>\n") == -1)
949 		goto done;
950 	if (fcgi_gen_response(c, "<div id='nav_next'>") == -1)
951 		goto done;
952 
953 	disp = 0;
954 
955 	switch(qs->action) {
956 	case INDEX:
957 		if (t->next_disp == srv->max_repos_display &&
958 		    t->repos_total != (qs->index_page + 1) *
959 		    srv->max_repos_display) {
960 			if (asprintf(&nhref, "index_page=%d",
961 			    qs->index_page + 1) == -1) {
962 				error = got_error_from_errno2("%s: asprintf",
963 				    __func__);
964 				goto done;
965 			}
966 			disp = 1;
967 		}
968 		break;
969 	case BRIEFS:
970 		if (t->next_id) {
971 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
972 			    "&action=briefs&commit=%s&headref=%s",
973 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
974 			    qs->headref) == -1) {
975 				error = got_error_from_errno2("%s: asprintf",
976 				    __func__);
977 				goto done;
978 			}
979 			disp = 1;
980 		}
981 		break;
982 	case COMMITS:
983 		if (t->next_id) {
984 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
985 			    "&action=commits&commit=%s&headref=%s&folder=%s"
986 			    "&file=%s",
987 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
988 			    qs->headref, qs->folder ? qs->folder : "",
989 			    qs->file ? qs->file : "") == -1) {
990 				error = got_error_from_errno2("%s: asprintf",
991 				    __func__);
992 				goto done;
993 			}
994 			disp = 1;
995 		}
996 		break;
997 	case TAGS:
998 		if (t->next_id) {
999 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
1000 			    "&action=tags&commit=%s&headref=%s",
1001 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
1002 			    qs->headref) == -1) {
1003 				error = got_error_from_errno2("%s: asprintf",
1004 				    __func__);
1005 				goto done;
1006 			}
1007 			disp = 1;
1008 		}
1009 		break;
1010 	default:
1011 		disp = 0;
1012 		break;
1013 	}
1014 	if (disp) {
1015 		if (fcgi_gen_response(c, "<a href='?") == -1)
1016 			goto done;
1017 		if (fcgi_gen_response(c, nhref) == -1)
1018 			goto done;
1019 		if (fcgi_gen_response(c, "'>Next</a>") == -1)
1020 			goto done;
1021 	}
1022 	fcgi_gen_response(c, "</div>\n");
1023 done:
1024 	free(t->next_id);
1025 	t->next_id = NULL;
1026 	free(t->prev_id);
1027 	t->prev_id = NULL;
1028 	free(phref);
1029 	free(nhref);
1030 	return error;
1031 }
1032 
1033 static const struct got_error *
1034 gotweb_render_index(struct request *c)
1035 {
1036 	const struct got_error *error = NULL;
1037 	struct server *srv = c->srv;
1038 	struct transport *t = c->t;
1039 	struct querystring *qs = t->qs;
1040 	struct repo_dir *repo_dir = NULL;
1041 	DIR *d;
1042 	struct dirent **sd_dent;
1043 	char *c_path = NULL;
1044 	struct stat st;
1045 	unsigned int d_cnt, d_i, d_disp = 0;
1046 
1047 	d = opendir(srv->repos_path);
1048 	if (d == NULL) {
1049 		error = got_error_from_errno2("opendir", srv->repos_path);
1050 		return error;
1051 	}
1052 
1053 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
1054 	if (d_cnt == -1) {
1055 		error = got_error_from_errno2("scandir", srv->repos_path);
1056 		goto done;
1057 	}
1058 
1059 	/* get total count of repos */
1060 	for (d_i = 0; d_i < d_cnt; d_i++) {
1061 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1062 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1063 			continue;
1064 
1065 		if (asprintf(&c_path, "%s/%s", srv->repos_path,
1066 		    sd_dent[d_i]->d_name) == -1) {
1067 			error = got_error_from_errno("asprintf");
1068 			return error;
1069 		}
1070 
1071 		if (lstat(c_path, &st) == 0 && S_ISDIR(st.st_mode) &&
1072 		    !got_path_dir_is_empty(c_path))
1073 		t->repos_total++;
1074 		free(c_path);
1075 		c_path = NULL;
1076 	}
1077 
1078 	if (fcgi_gen_response(c, "<div id='index_header'>\n") == -1)
1079 		goto done;
1080 	if (fcgi_gen_response(c,
1081 	    "<div id='index_header_project'>Project</div>\n") == -1)
1082 		goto done;
1083 	if (srv->show_repo_description)
1084 		if (fcgi_gen_response(c, "<div id='index_header_description'>"
1085 		    "Description</div>\n") == -1)
1086 			goto done;
1087 	if (srv->show_repo_owner)
1088 		if (fcgi_gen_response(c, "<div id='index_header_owner'>"
1089 		    "Owner</div>\n") == -1)
1090 			goto done;
1091 	if (srv->show_repo_age)
1092 		if (fcgi_gen_response(c, "<div id='index_header_age'>"
1093 		    "Last Change</div>\n") == -1)
1094 			goto done;
1095 	if (fcgi_gen_response(c, "</div>\n") == -1)
1096 		goto done;
1097 
1098 	for (d_i = 0; d_i < d_cnt; d_i++) {
1099 		if (srv->max_repos > 0 && (d_i - 2) == srv->max_repos)
1100 			break; /* account for parent and self */
1101 
1102 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1103 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1104 			continue;
1105 
1106 		if (qs->index_page > 0 && (qs->index_page *
1107 		    srv->max_repos_display) > t->prev_disp) {
1108 			t->prev_disp++;
1109 			continue;
1110 		}
1111 
1112 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
1113 		if (error)
1114 			goto done;
1115 
1116 		error = gotweb_load_got_path(c, repo_dir);
1117 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1118 			error = NULL;
1119 			continue;
1120 		}
1121 		else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
1122 			goto done;
1123 
1124 		if (lstat(repo_dir->path, &st) == 0 &&
1125 		    S_ISDIR(st.st_mode) &&
1126 		    !got_path_dir_is_empty(repo_dir->path))
1127 			goto render;
1128 		else {
1129 			gotweb_free_repo_dir(repo_dir);
1130 			repo_dir = NULL;
1131 			continue;
1132 		}
1133 render:
1134 		d_disp++;
1135 		t->prev_disp++;
1136 		if (fcgi_gen_response(c, "<div id='index_wrapper'>\n") == -1)
1137 			goto done;
1138 		if (fcgi_gen_response(c, "<div id='index_project'>") == -1)
1139 			goto done;
1140 
1141 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1142 			goto done;
1143 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1144 			goto done;
1145 		if (fcgi_gen_response(c, "&path=") == -1)
1146 			goto done;
1147 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1148 			goto done;
1149 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1150 			goto done;
1151 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1152 			goto done;
1153 		if (fcgi_gen_response(c, "</a>") == -1)
1154 			goto done;
1155 
1156 		if (fcgi_gen_response(c, "</div>\n") == -1)
1157 			goto done;
1158 
1159 		if (srv->show_repo_description) {
1160 			if (fcgi_gen_response(c,
1161 			    "<div id='index_project_description'>\n") == -1)
1162 				goto done;
1163 			if (fcgi_gen_response(c, repo_dir->description) == -1)
1164 				goto done;
1165 			if (fcgi_gen_response(c, "</div>\n") == -1)
1166 				goto done;
1167 		}
1168 
1169 		if (srv->show_repo_owner) {
1170 			if (fcgi_gen_response(c,
1171 			    "<div id='index_project_owner'>") == -1)
1172 				goto done;
1173 			if (fcgi_gen_response(c, repo_dir->owner) == -1)
1174 				goto done;
1175 			if (fcgi_gen_response(c, "</div>\n") == -1)
1176 				goto done;
1177 		}
1178 
1179 		if (srv->show_repo_age) {
1180 			if (fcgi_gen_response(c,
1181 			    "<div id='index_project_age'>") == -1)
1182 				goto done;
1183 			if (fcgi_gen_response(c, repo_dir->age) == -1)
1184 				goto done;
1185 			if (fcgi_gen_response(c, "</div>\n") == -1)
1186 				goto done;
1187 		}
1188 
1189 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>") == -1)
1190 			goto done;
1191 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1192 			goto done;;
1193 
1194 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1195 			goto done;
1196 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1197 			goto done;
1198 		if (fcgi_gen_response(c, "&path=") == -1)
1199 			goto done;
1200 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1201 			goto done;
1202 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1203 			goto done;
1204 		if (fcgi_gen_response(c, "summary") == -1)
1205 			goto done;
1206 		if (fcgi_gen_response(c, "</a> | ") == -1)
1207 			goto done;
1208 
1209 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1210 			goto done;
1211 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1212 			goto done;
1213 		if (fcgi_gen_response(c, "&path=") == -1)
1214 			goto done;
1215 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1216 			goto done;
1217 		if (fcgi_gen_response(c, "&action=briefs'>") == -1)
1218 			goto done;
1219 		if (fcgi_gen_response(c, "commit briefs") == -1)
1220 			goto done;
1221 		if (fcgi_gen_response(c, "</a> | ") == -1)
1222 			goto done;
1223 
1224 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1225 			goto done;
1226 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1227 			goto done;
1228 		if (fcgi_gen_response(c, "&path=") == -1)
1229 			goto done;
1230 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1231 			goto done;
1232 		if (fcgi_gen_response(c, "&action=commits'>") == -1)
1233 			goto done;
1234 		if (fcgi_gen_response(c, "commits") == -1)
1235 			goto done;
1236 		if (fcgi_gen_response(c, "</a> | ") == -1)
1237 			goto done;
1238 
1239 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1240 			goto done;
1241 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1242 			goto done;
1243 		if (fcgi_gen_response(c, "&path=") == -1)
1244 			goto done;
1245 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1246 			goto done;
1247 		if (fcgi_gen_response(c, "&action=tags'>") == -1)
1248 			goto done;
1249 		if (fcgi_gen_response(c, "tags") == -1)
1250 			goto done;
1251 		if (fcgi_gen_response(c, "</a> | ") == -1)
1252 			goto done;
1253 
1254 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1255 			goto done;
1256 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1257 			goto done;
1258 		if (fcgi_gen_response(c, "&path=") == -1)
1259 			goto done;
1260 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1261 			goto done;
1262 		if (fcgi_gen_response(c, "&action=tree'>") == -1)
1263 			goto done;
1264 		if (fcgi_gen_response(c, "tree") == -1)
1265 			goto done;
1266 		if (fcgi_gen_response(c, "</a>") == -1)
1267 			goto done;
1268 
1269 		if (fcgi_gen_response(c, "</div>") == -1)
1270 			goto done;
1271 		if (fcgi_gen_response(c,
1272 		    "<div id='dotted_line'></div>\n") == -1)
1273 			goto done;
1274 		if (fcgi_gen_response(c, "</div>\n") == -1)
1275 			goto done;
1276 		if (fcgi_gen_response(c, "</div>\n") == -1)
1277 			goto done;
1278 
1279 		gotweb_free_repo_dir(repo_dir);
1280 		repo_dir = NULL;
1281 		error = got_repo_close(t->repo);
1282 		if (error)
1283 			goto done;
1284 		t->next_disp++;
1285 		if (d_disp == srv->max_repos_display)
1286 			break;
1287 	}
1288 	if (srv->max_repos_display == 0)
1289 		goto div;
1290 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
1291 		goto div;
1292 	if (t->repos_total <= srv->max_repos ||
1293 	    t->repos_total <= srv->max_repos_display)
1294 		goto div;
1295 
1296 	error = gotweb_render_navs(c);
1297 	if (error)
1298 		goto done;
1299 div:
1300 	fcgi_gen_response(c, "</div>\n");
1301 done:
1302 	if (d != NULL && closedir(d) == EOF && error == NULL)
1303 		error = got_error_from_errno("closedir");
1304 	return error;
1305 }
1306 
1307 static const struct got_error *
1308 gotweb_render_blame(struct request *c)
1309 {
1310 	const struct got_error *error = NULL;
1311 	struct transport *t = c->t;
1312 	struct repo_commit *rc = NULL;
1313 	char *age = NULL;
1314 
1315 	error = got_get_repo_commits(c, 1);
1316 	if (error)
1317 		return error;
1318 
1319 	rc = TAILQ_FIRST(&t->repo_commits);
1320 
1321 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1322 	if (error)
1323 		goto done;
1324 
1325 	if (fcgi_gen_response(c, "<div id='blame_title_wrapper'>\n") == -1)
1326 		goto done;
1327 	if (fcgi_gen_response(c, "<div id='blame_title'>Blame</div>\n") == -1)
1328 		goto done;
1329 	if (fcgi_gen_response(c, "</div>\n") == -1)
1330 		goto done;
1331 
1332 	if (fcgi_gen_response(c, "<div id='blame_content'>\n") == -1)
1333 		goto done;
1334 
1335 	if (fcgi_gen_response(c, "<div id='blame_header_wrapper'>\n") == -1)
1336 		goto done;
1337 	if (fcgi_gen_response(c, "<div id='blame_header'>\n") == -1)
1338 		goto done;
1339 
1340 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1341 	    "</div>\n") == -1)
1342 		goto done;
1343 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1344 		goto done;
1345 	if (fcgi_gen_response(c, age ? age : "") == -1)
1346 		goto done;
1347 	if (fcgi_gen_response(c, "</div>\n") == -1)
1348 		goto done;
1349 
1350 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1351 	    "</div>\n") == -1)
1352 		goto done;
1353 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1354 		goto done;
1355 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1356 		goto done;
1357 	if (fcgi_gen_response(c, "</div>\n") == -1)
1358 		goto done;
1359 
1360 	if (fcgi_gen_response(c, "</div>\n") == -1)
1361 		goto done;
1362 	if (fcgi_gen_response(c, "</div>\n") == -1)
1363 		goto done;
1364 
1365 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1366 		goto done;
1367 	if (fcgi_gen_response(c, "<div id='blame'>\n") == -1)
1368 		goto done;
1369 
1370 	error = got_output_file_blame(c);
1371 	if (error)
1372 		goto done;
1373 
1374 	fcgi_gen_response(c, "</div>\n");
1375 done:
1376 	fcgi_gen_response(c, "</div>\n");
1377 	return error;
1378 }
1379 
1380 static const struct got_error *
1381 gotweb_render_briefs(struct request *c)
1382 {
1383 	const struct got_error *error = NULL;
1384 	struct repo_commit *rc = NULL;
1385 	struct server *srv = c->srv;
1386 	struct transport *t = c->t;
1387 	struct querystring *qs = t->qs;
1388 	struct repo_dir *repo_dir = t->repo_dir;
1389 	char *smallerthan, *newline;
1390 	char *age = NULL;
1391 
1392 	if (fcgi_gen_response(c, "<div id='briefs_title_wrapper'>\n") == -1)
1393 		goto done;
1394 	if (fcgi_gen_response(c,
1395 	    "<div id='briefs_title'>Commit Briefs</div>\n") == -1)
1396 		goto done;
1397 	if (fcgi_gen_response(c, "</div>\n") == -1)
1398 		goto done;
1399 
1400 	if (fcgi_gen_response(c, "<div id='briefs_content'>\n") == -1)
1401 		goto done;
1402 
1403 	if (qs->action == SUMMARY) {
1404 		qs->action = BRIEFS;
1405 		error = got_get_repo_commits(c, D_MAXSLCOMMDISP);
1406 	} else
1407 		error = got_get_repo_commits(c, srv->max_commits_display);
1408 	if (error)
1409 		goto done;
1410 
1411 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1412 		error = gotweb_get_time_str(&age, rc->committer_time, TM_DIFF);
1413 		if (error)
1414 			goto done;
1415 		if (fcgi_gen_response(c, "<div id='briefs_age'>") == -1)
1416 			goto done;
1417 		if (fcgi_gen_response(c, age ? age : "") == -1)
1418 			goto done;
1419 		if (fcgi_gen_response(c, "</div>\n") == -1)
1420 			goto done;
1421 
1422 		if (fcgi_gen_response(c, "<div id='briefs_author'>") == -1)
1423 			goto done;
1424 		smallerthan = strchr(rc->author, '<');
1425 		if (smallerthan)
1426 			*smallerthan = '\0';
1427 		if (fcgi_gen_response(c, rc->author) == -1)
1428 			goto done;
1429 		if (fcgi_gen_response(c, "</div>\n") == -1)
1430 			goto done;
1431 
1432 		if (fcgi_gen_response(c, "<div id='briefs_log'>") == -1)
1433 			goto done;
1434 		newline = strchr(rc->commit_msg, '\n');
1435 		if (newline)
1436 			*newline = '\0';
1437 
1438 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1439 			goto done;
1440 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1441 			goto done;
1442 		if (fcgi_gen_response(c, "&path=") == -1)
1443 			goto done;
1444 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1445 			goto done;
1446 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1447 			goto done;
1448 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1449 			goto done;
1450 		if (fcgi_gen_response(c, "&headref=") == -1)
1451 			goto done;
1452 		if (fcgi_gen_response(c, qs->headref) == -1)
1453 			goto done;
1454 		if (fcgi_gen_response(c, "'>") == -1)
1455 			goto done;
1456 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1457 			goto done;
1458 		if (fcgi_gen_response(c, "</a>") == -1)
1459 			goto done;
1460 		if (rc->refs_str) {
1461 			if (fcgi_gen_response(c,
1462 			    " <span id='refs_str'>(") == -1)
1463 				goto done;
1464 			if (fcgi_gen_response(c, rc->refs_str) == -1)
1465 				goto done;
1466 			if (fcgi_gen_response(c, ")</span>") == -1)
1467 				goto done;
1468 		}
1469 		if (fcgi_gen_response(c, "</div>\n") == -1)
1470 			goto done;
1471 
1472 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1473 			goto done;
1474 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1475 			goto done;
1476 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1477 			goto done;
1478 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1479 			goto done;
1480 		if (fcgi_gen_response(c, "&path=") == -1)
1481 			goto done;
1482 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1483 			goto done;
1484 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1485 			goto done;
1486 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1487 			goto done;
1488 		if (fcgi_gen_response(c, "&headref=") == -1)
1489 			goto done;
1490 		if (fcgi_gen_response(c, qs->headref) == -1)
1491 			goto done;
1492 		if (fcgi_gen_response(c, "'>") == -1)
1493 			goto done;
1494 		if (fcgi_gen_response(c, "diff") == -1)
1495 			goto done;
1496 		if (fcgi_gen_response(c, "</a>") == -1)
1497 			goto done;
1498 
1499 		if (fcgi_gen_response(c, " | ") == -1)
1500 			goto done;
1501 
1502 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1503 			goto done;
1504 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1505 			goto done;
1506 		if (fcgi_gen_response(c, "&path=") == -1)
1507 			goto done;
1508 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1509 			goto done;
1510 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1511 			goto done;
1512 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1513 			goto done;
1514 		if (fcgi_gen_response(c, "&headref=") == -1)
1515 			goto done;
1516 		if (fcgi_gen_response(c, qs->headref) == -1)
1517 			goto done;
1518 		if (fcgi_gen_response(c, "'>") == -1)
1519 			goto done;
1520 		if (fcgi_gen_response(c, "tree") == -1)
1521 			goto done;
1522 		if (fcgi_gen_response(c, "</a>") == -1)
1523 			goto done;
1524 		if (fcgi_gen_response(c, "</div>\n") == -1)
1525 			goto done;
1526 		if (fcgi_gen_response(c, "</div>\n") == -1)
1527 			goto done;
1528 		if (fcgi_gen_response(c,
1529 		    "<div id='dotted_line'></div>\n") == -1)
1530 			goto done;
1531 
1532 		free(age);
1533 		age = NULL;
1534 	}
1535 
1536 	if (t->next_id || t->prev_id) {
1537 		error = gotweb_render_navs(c);
1538 		if (error)
1539 			goto done;
1540 	}
1541 	fcgi_gen_response(c, "</div>\n");
1542 done:
1543 	free(age);
1544 	return error;
1545 }
1546 
1547 static const struct got_error *
1548 gotweb_render_commits(struct request *c)
1549 {
1550 	const struct got_error *error = NULL;
1551 	struct repo_commit *rc = NULL;
1552 	struct server *srv = c->srv;
1553 	struct transport *t = c->t;
1554 	struct querystring *qs = t->qs;
1555 	struct repo_dir *repo_dir = t->repo_dir;
1556 	char *age = NULL, *author = NULL;
1557 	/* int commit_found = 0; */
1558 
1559 	if (fcgi_gen_response(c, "<div id='commits_title_wrapper'>\n") == -1)
1560 		goto done;
1561 	if (fcgi_gen_response(c,
1562 	    "<div id='commits_title'>Commits</div>\n") == -1)
1563 		goto done;
1564 	if (fcgi_gen_response(c, "</div>\n") == -1)
1565 		goto done;
1566 
1567 	if (fcgi_gen_response(c, "<div id='commits_content'>\n") == -1)
1568 		goto done;
1569 
1570 	error = got_get_repo_commits(c, srv->max_commits_display);
1571 	if (error)
1572 		goto done;
1573 
1574 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1575 		error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1576 		if (error)
1577 			goto done;
1578 		error = gotweb_escape_html(&author, rc->author);
1579 		if (error)
1580 			goto done;
1581 
1582 		if (fcgi_gen_response(c,
1583 		    "<div id='commits_header_wrapper'>\n") == -1)
1584 			goto done;
1585 		if (fcgi_gen_response(c, "<div id='commits_header'>\n") == -1)
1586 			goto done;
1587 
1588 
1589 		if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
1590 		    "</div>\n") == -1)
1591 			goto done;
1592 		if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
1593 			goto done;
1594 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1595 			goto done;
1596 		if (fcgi_gen_response(c, "</div>\n") == -1)
1597 			goto done;
1598 
1599 		if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
1600 		    "</div>\n") == -1)
1601 			goto done;
1602 		if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
1603 			goto done;
1604 		if (fcgi_gen_response(c, author ? author : "") == -1)
1605 			goto done;
1606 		if (fcgi_gen_response(c, "</div>\n") == -1)
1607 			goto done;
1608 
1609 		if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1610 		    "</div>\n") == -1)
1611 			goto done;
1612 		if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1613 			goto done;
1614 		if (fcgi_gen_response(c, age ? age : "") == -1)
1615 			goto done;
1616 		if (fcgi_gen_response(c, "</div>\n") == -1)
1617 			goto done;
1618 
1619 		if (fcgi_gen_response(c, "</div>\n") == -1)
1620 			goto done;
1621 		if (fcgi_gen_response(c, "</div>\n") == -1)
1622 			goto done;
1623 
1624 		if (fcgi_gen_response(c,
1625 		    "<div id='dotted_line'></div>\n") == -1)
1626 			goto done;
1627 		if (fcgi_gen_response(c, "<div id='commit'>\n") == -1)
1628 			goto done;
1629 
1630 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1631 			goto done;
1632 
1633 		if (fcgi_gen_response(c, "</div>\n") == -1)
1634 			goto done;
1635 		if (fcgi_gen_response(c, "</div>\n") == -1)
1636 			goto done;
1637 
1638 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1639 			goto done;
1640 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1641 			goto done;
1642 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1643 			goto done;
1644 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1645 			goto done;
1646 		if (fcgi_gen_response(c, "&path=") == -1)
1647 			goto done;
1648 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1649 			goto done;
1650 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1651 			goto done;
1652 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1653 			goto done;
1654 		if (fcgi_gen_response(c, "'>") == -1)
1655 			goto done;
1656 		if (fcgi_gen_response(c, "diff") == -1)
1657 			goto done;
1658 		if (fcgi_gen_response(c, "</a>") == -1)
1659 			goto done;
1660 
1661 		if (fcgi_gen_response(c, " | ") == -1)
1662 			goto done;
1663 
1664 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1665 			goto done;
1666 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1667 			goto done;
1668 		if (fcgi_gen_response(c, "&path=") == -1)
1669 			goto done;
1670 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1671 			goto done;
1672 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1673 			goto done;
1674 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1675 			goto done;
1676 		if (fcgi_gen_response(c, "'>") == -1)
1677 			goto done;
1678 		if (fcgi_gen_response(c, "tree") == -1)
1679 			goto done;
1680 		if (fcgi_gen_response(c, "</a>") == -1)
1681 			goto done;
1682 		if (fcgi_gen_response(c, "</div>\n") == -1)
1683 			goto done;
1684 		if (fcgi_gen_response(c, "</div>\n") == -1)
1685 			goto done;
1686 		if (fcgi_gen_response(c,
1687 		    "<div id='dotted_line'></div>\n") == -1)
1688 			goto done;
1689 		free(age);
1690 		age = NULL;
1691 		free(author);
1692 		author = NULL;
1693 	}
1694 
1695 	if (t->next_id || t->prev_id) {
1696 		error = gotweb_render_navs(c);
1697 		if (error)
1698 			goto done;
1699 	}
1700 	if (fcgi_gen_response(c, "</div>\n") == -1)
1701 		goto done;
1702 	fcgi_gen_response(c, "</div>\n");
1703 done:
1704 	free(age);
1705 	return error;
1706 }
1707 
1708 static const struct got_error *
1709 gotweb_render_branches(struct request *c)
1710 {
1711 	const struct got_error *error = NULL;
1712 	struct got_reflist_head refs;
1713 	struct got_reflist_entry *re;
1714 	struct transport *t = c->t;
1715 	struct querystring *qs = t->qs;
1716 	struct got_repository *repo = t->repo;
1717 	char *age = NULL;
1718 
1719 	TAILQ_INIT(&refs);
1720 
1721 	error = got_ref_list(&refs, repo, "refs/heads",
1722 	    got_ref_cmp_by_name, NULL);
1723 	if (error)
1724 		goto done;
1725 
1726 	if (fcgi_gen_response(c, "<div id='branches_title_wrapper'>\n") == -1)
1727 		goto done;
1728 	if (fcgi_gen_response(c,
1729 	    "<div id='branches_title'>Branches</div>\n") == -1)
1730 		goto done;
1731 	if (fcgi_gen_response(c, "</div>\n") == -1)
1732 		goto done;
1733 
1734 	if (fcgi_gen_response(c, "<div id='branches_content'>\n") == -1)
1735 		goto done;
1736 
1737 	TAILQ_FOREACH(re, &refs, entry) {
1738 		char *refname = NULL;
1739 
1740 		if (got_ref_is_symbolic(re->ref))
1741 			continue;
1742 
1743 		refname = strdup(got_ref_get_name(re->ref));
1744 		if (refname == NULL) {
1745 			error = got_error_from_errno("strdup");
1746 			goto done;
1747 		}
1748 		if (strncmp(refname, "refs/heads/", 11) != 0)
1749 			continue;
1750 
1751 		error = got_get_repo_age(&age, c, qs->path, refname,
1752 		    TM_DIFF);
1753 		if (error)
1754 			goto done;
1755 
1756 		if (strncmp(refname, "refs/heads/", 11) == 0)
1757 			refname += 11;
1758 
1759 		if (fcgi_gen_response(c, "<div id='branches_wrapper'>") == -1)
1760 			goto done;
1761 
1762 		if (fcgi_gen_response(c, "<div id='branches_age'>") == -1)
1763 			goto done;
1764 		if (fcgi_gen_response(c, age ? age : "") == -1)
1765 			goto done;
1766 		if (fcgi_gen_response(c, "</div>\n") == -1)
1767 			goto done;
1768 
1769 		if (fcgi_gen_response(c, "<div id='branches_space'>") == -1)
1770 			goto done;
1771 		if (fcgi_gen_response(c, "&nbsp;") == -1)
1772 			goto done;
1773 		if (fcgi_gen_response(c, "</div>\n") == -1)
1774 			goto done;
1775 
1776 		if (fcgi_gen_response(c, "<div id='branch'>") == -1)
1777 			goto done;
1778 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1779 			goto done;
1780 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1781 			goto done;
1782 		if (fcgi_gen_response(c, "&path=") == -1)
1783 			goto done;
1784 		if (fcgi_gen_response(c, qs->path) == -1)
1785 			goto done;
1786 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1787 			goto done;
1788 		if (fcgi_gen_response(c, refname) == -1)
1789 			goto done;
1790 		if (fcgi_gen_response(c, "'>") == -1)
1791 			goto done;
1792 		if (fcgi_gen_response(c, refname) == -1)
1793 			goto done;
1794 		if (fcgi_gen_response(c, "</a>") == -1)
1795 			goto done;
1796 		if (fcgi_gen_response(c, "</div>\n") == -1)
1797 			goto done;
1798 
1799 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1800 			goto done;
1801 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1802 			goto done;
1803 
1804 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1805 			goto done;
1806 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1807 			goto done;
1808 		if (fcgi_gen_response(c, "&path=") == -1)
1809 			goto done;
1810 		if (fcgi_gen_response(c, qs->path) == -1)
1811 			goto done;
1812 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1813 			goto done;
1814 		if (fcgi_gen_response(c, refname) == -1)
1815 			goto done;
1816 		if (fcgi_gen_response(c, "'>") == -1)
1817 			goto done;
1818 		if (fcgi_gen_response(c, "summary") == -1)
1819 			goto done;
1820 		if (fcgi_gen_response(c, "</a>") == -1)
1821 			goto done;
1822 
1823 		if (fcgi_gen_response(c, " | ") == -1)
1824 			goto done;
1825 
1826 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1827 			goto done;
1828 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1829 			goto done;
1830 		if (fcgi_gen_response(c, "&path=") == -1)
1831 			goto done;
1832 		if (fcgi_gen_response(c, qs->path) == -1)
1833 			goto done;
1834 		if (fcgi_gen_response(c, "&action=briefs&headref=") == -1)
1835 			goto done;
1836 		if (fcgi_gen_response(c, refname) == -1)
1837 			goto done;
1838 		if (fcgi_gen_response(c, "'>") == -1)
1839 			goto done;
1840 		if (fcgi_gen_response(c, "commit briefs") == -1)
1841 			goto done;
1842 		if (fcgi_gen_response(c, "</a>") == -1)
1843 			goto done;
1844 
1845 		if (fcgi_gen_response(c, " | ") == -1)
1846 			goto done;
1847 
1848 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1849 			goto done;
1850 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1851 			goto done;
1852 		if (fcgi_gen_response(c, "&path=") == -1)
1853 			goto done;
1854 		if (fcgi_gen_response(c, qs->path) == -1)
1855 			goto done;
1856 		if (fcgi_gen_response(c, "&action=commits&headref=") == -1)
1857 			goto done;
1858 		if (fcgi_gen_response(c, refname) == -1)
1859 			goto done;
1860 		if (fcgi_gen_response(c, "'>") == -1)
1861 			goto done;
1862 		if (fcgi_gen_response(c, "commits") == -1)
1863 			goto done;
1864 		if (fcgi_gen_response(c, "</a>") == -1)
1865 			goto done;
1866 
1867 		if (fcgi_gen_response(c, "</div>\n") == -1)
1868 			goto done;
1869 		if (fcgi_gen_response(c, "</div>\n") == -1)
1870 			goto done;
1871 
1872 		if (fcgi_gen_response(c,
1873 		    "<div id='dotted_line'></div>\n") == -1)
1874 			goto done;
1875 
1876 		free(age);
1877 		age = NULL;
1878 
1879 	}
1880 	fcgi_gen_response(c, "</div>\n");
1881 done:
1882 	return error;
1883 }
1884 
1885 static const struct got_error *
1886 gotweb_render_tree(struct request *c)
1887 {
1888 	const struct got_error *error = NULL;
1889 	struct transport *t = c->t;
1890 	struct repo_commit *rc = NULL;
1891 	char *age = NULL;
1892 
1893 	error = got_get_repo_commits(c, 1);
1894 	if (error)
1895 		return error;
1896 
1897 	rc = TAILQ_FIRST(&t->repo_commits);
1898 
1899 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1900 	if (error)
1901 		goto done;
1902 
1903 	if (fcgi_gen_response(c, "<div id='tree_title_wrapper'>\n") == -1)
1904 		goto done;
1905 	if (fcgi_gen_response(c, "<div id='tree_title'>Tree</div>\n") == -1)
1906 		goto done;
1907 	if (fcgi_gen_response(c, "</div>\n") == -1)
1908 		goto done;
1909 
1910 	if (fcgi_gen_response(c, "<div id='tree_content'>\n") == -1)
1911 		goto done;
1912 
1913 	if (fcgi_gen_response(c, "<div id='tree_header_wrapper'>\n") == -1)
1914 		goto done;
1915 	if (fcgi_gen_response(c, "<div id='tree_header'>\n") == -1)
1916 		goto done;
1917 
1918 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
1919 	    "</div>\n") == -1)
1920 		goto done;
1921 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
1922 		goto done;
1923 	if (fcgi_gen_response(c, rc->tree_id) == -1)
1924 		goto done;
1925 	if (fcgi_gen_response(c, "</div>\n") == -1)
1926 		goto done;
1927 
1928 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1929 	    "</div>\n") == -1)
1930 		goto done;
1931 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1932 		goto done;
1933 	if (fcgi_gen_response(c, age ? age : "") == -1)
1934 		goto done;
1935 	if (fcgi_gen_response(c, "</div>\n") == -1)
1936 		goto done;
1937 
1938 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1939 	    "</div>\n") == -1)
1940 		goto done;
1941 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1942 		goto done;
1943 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1944 		goto done;
1945 	if (fcgi_gen_response(c, "</div>\n") == -1)
1946 		goto done;
1947 
1948 	if (fcgi_gen_response(c, "</div>\n") == -1)
1949 		goto done;
1950 	if (fcgi_gen_response(c, "</div>\n") == -1)
1951 		goto done;
1952 
1953 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1954 		goto done;
1955 	if (fcgi_gen_response(c, "<div id='tree'>\n") == -1)
1956 		goto done;
1957 
1958 	error = got_output_repo_tree(c);
1959 	if (error)
1960 		goto done;
1961 
1962 	fcgi_gen_response(c, "</div>\n");
1963 	fcgi_gen_response(c, "</div>\n");
1964 done:
1965 	return error;
1966 }
1967 
1968 static const struct got_error *
1969 gotweb_render_diff(struct request *c)
1970 {
1971 	const struct got_error *error = NULL;
1972 	struct transport *t = c->t;
1973 	struct repo_commit *rc = NULL;
1974 	char *age = NULL, *author = NULL;
1975 
1976 	error = got_get_repo_commits(c, 1);
1977 	if (error)
1978 		return error;
1979 
1980 	rc = TAILQ_FIRST(&t->repo_commits);
1981 
1982 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1983 	if (error)
1984 		goto done;
1985 	error = gotweb_escape_html(&author, rc->author);
1986 	if (error)
1987 		goto done;
1988 
1989 	if (fcgi_gen_response(c, "<div id='diff_title_wrapper'>\n") == -1)
1990 		goto done;
1991 	if (fcgi_gen_response(c,
1992 	    "<div id='diff_title'>Commit Diff</div>\n") == -1)
1993 		goto done;
1994 	if (fcgi_gen_response(c, "</div>\n") == -1)
1995 		goto done;
1996 
1997 	if (fcgi_gen_response(c, "<div id='diff_content'>\n") == -1)
1998 		goto done;
1999 	if (fcgi_gen_response(c, "<div id='diff_header_wrapper'>\n") == -1)
2000 		goto done;
2001 	if (fcgi_gen_response(c, "<div id='diff_header'>\n") == -1)
2002 		goto done;
2003 
2004 	if (fcgi_gen_response(c, "<div id='header_diff_title'>Diff:"
2005 	    "</div>\n") == -1)
2006 		goto done;
2007 	if (fcgi_gen_response(c, "<div id='header_diff'>") == -1)
2008 		goto done;
2009 	if (fcgi_gen_response(c, rc->parent_id) == -1)
2010 		goto done;
2011 	if (fcgi_gen_response(c, "<br />") == -1)
2012 		goto done;
2013 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2014 		goto done;
2015 	if (fcgi_gen_response(c, "</div>\n") == -1)
2016 		goto done;
2017 
2018 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2019 	    "</div>\n") == -1)
2020 		goto done;
2021 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2022 		goto done;
2023 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2024 		goto done;
2025 	if (fcgi_gen_response(c, "</div>\n") == -1)
2026 		goto done;
2027 
2028 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
2029 	    "</div>\n") == -1)
2030 		goto done;
2031 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
2032 		goto done;
2033 	if (fcgi_gen_response(c, rc->tree_id) == -1)
2034 		goto done;
2035 	if (fcgi_gen_response(c, "</div>\n") == -1)
2036 		goto done;
2037 
2038 	if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
2039 	    "</div>\n") == -1)
2040 		goto done;
2041 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2042 		goto done;
2043 	if (fcgi_gen_response(c, author ? author : "") == -1)
2044 		goto done;
2045 	if (fcgi_gen_response(c, "</div>\n") == -1)
2046 		goto done;
2047 
2048 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2049 	    "</div>\n") == -1)
2050 		goto done;
2051 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2052 		goto done;
2053 	if (fcgi_gen_response(c, age ? age : "") == -1)
2054 		goto done;
2055 	if (fcgi_gen_response(c, "</div>\n") == -1)
2056 		goto done;
2057 
2058 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2059 	    "</div>\n") == -1)
2060 		goto done;
2061 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2062 		goto done;
2063 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
2064 		goto done;
2065 	if (fcgi_gen_response(c, "</div>\n") == -1)
2066 		goto done;
2067 	if (fcgi_gen_response(c, "</div>\n") == -1)
2068 		goto done;
2069 	if (fcgi_gen_response(c, "</div>\n") == -1)
2070 		goto done;
2071 
2072 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2073 		goto done;
2074 	if (fcgi_gen_response(c, "<div id='diff'>\n") == -1)
2075 		goto done;
2076 
2077 	error = got_output_repo_diff(c);
2078 	if (error)
2079 		goto done;
2080 
2081 	fcgi_gen_response(c, "</div>\n");
2082 done:
2083 	fcgi_gen_response(c, "</div>\n");
2084 	free(age);
2085 	free(author);
2086 	return error;
2087 }
2088 
2089 static const struct got_error *
2090 gotweb_render_summary(struct request *c)
2091 {
2092 	const struct got_error *error = NULL;
2093 	struct transport *t = c->t;
2094 	struct server *srv = c->srv;
2095 
2096 	if (fcgi_gen_response(c, "<div id='summary_wrapper'>\n") == -1)
2097 		goto done;
2098 
2099 	if (!srv->show_repo_description)
2100 		goto owner;
2101 
2102 	if (fcgi_gen_response(c, "<div id='description_title'>"
2103 	    "Description:</div>\n") == -1)
2104 		goto done;
2105 	if (fcgi_gen_response(c, "<div id='description'>") == -1)
2106 		goto done;
2107 	if (fcgi_gen_response(c, t->repo_dir->description) == -1)
2108 		goto done;
2109 	if (fcgi_gen_response(c, "</div>\n") == -1)
2110 		goto done;
2111 owner:
2112 	if (!srv->show_repo_owner)
2113 		goto last_change;
2114 
2115 	if (fcgi_gen_response(c, "<div id='repo_owner_title'>"
2116 	    "Owner:</div>\n") == -1)
2117 		goto done;
2118 	if (fcgi_gen_response(c, "<div id='repo_owner'>") == -1)
2119 		goto done;
2120 	if (fcgi_gen_response(c, t->repo_dir->owner) == -1)
2121 		goto done;
2122 	if (fcgi_gen_response(c, "</div>\n") == -1)
2123 		goto done;
2124 last_change:
2125 	if (!srv->show_repo_age)
2126 		goto clone_url;
2127 
2128 	if (fcgi_gen_response(c, "<div id='last_change_title'>"
2129 	    "Last Change:</div>\n") == -1)
2130 		goto done;
2131 	if (fcgi_gen_response(c, "<div id='last_change'>") == -1)
2132 		goto done;
2133 	if (fcgi_gen_response(c, t->repo_dir->age) == -1)
2134 		goto done;
2135 	if (fcgi_gen_response(c, "</div>\n") == -1)
2136 		goto done;
2137 clone_url:
2138 	if (!srv->show_repo_cloneurl)
2139 		goto content;
2140 
2141 	if (fcgi_gen_response(c, "<div id='cloneurl_title'>"
2142 	    "Clone URL:</div>\n") == -1)
2143 		goto done;
2144 	if (fcgi_gen_response(c, "<div id='cloneurl'>") == -1)
2145 		goto done;
2146 	if (fcgi_gen_response(c, t->repo_dir->url) == -1)
2147 		goto done;
2148 	if (fcgi_gen_response(c, "</div>\n") == -1)
2149 		goto done;
2150 content:
2151 	if (fcgi_gen_response(c, "</div>\n") == -1)
2152 		goto done;
2153 	if (fcgi_gen_response(c, "</div>\n") == -1)
2154 		goto done;
2155 
2156 	error = gotweb_render_briefs(c);
2157 	if (error) {
2158 		log_warnx("%s: %s", __func__, error->msg);
2159 		goto done;
2160 	}
2161 
2162 	error = gotweb_render_tags(c);
2163 	if (error) {
2164 		log_warnx("%s: %s", __func__, error->msg);
2165 		goto done;
2166 	}
2167 
2168 	error = gotweb_render_branches(c);
2169 	if (error)
2170 		log_warnx("%s: %s", __func__, error->msg);
2171 done:
2172 	return error;
2173 }
2174 
2175 static const struct got_error *
2176 gotweb_render_tag(struct request *c)
2177 {
2178 	const struct got_error *error = NULL;
2179 	struct repo_tag *rt = NULL;
2180 	struct transport *t = c->t;
2181 	char *age = NULL, *author = NULL;
2182 
2183 	error = got_get_repo_tags(c, 1);
2184 	if (error)
2185 		goto done;
2186 
2187 	if (t->tag_count == 0) {
2188 		error = got_error_set_errno(GOT_ERR_BAD_OBJ_ID,
2189 		    "bad commit id");
2190 		goto done;
2191 	}
2192 
2193 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
2194 
2195 	error = gotweb_get_time_str(&age, rt->tagger_time, TM_LONG);
2196 	if (error)
2197 		goto done;
2198 	error = gotweb_escape_html(&author, rt->tagger);
2199 	if (error)
2200 		goto done;
2201 
2202 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2203 		goto done;
2204 	if (fcgi_gen_response(c, "<div id='tags_title'>Tag</div>\n") == -1)
2205 		goto done;
2206 	if (fcgi_gen_response(c, "</div>\n") == -1)
2207 		goto done;
2208 
2209 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2210 		goto done;
2211 	if (fcgi_gen_response(c, "<div id='tag_header_wrapper'>\n") == -1)
2212 		goto done;
2213 	if (fcgi_gen_response(c, "<div id='tag_header'>\n") == -1)
2214 		goto done;
2215 
2216 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2217 	    "</div>\n") == -1)
2218 		goto done;
2219 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2220 		goto done;
2221 	if (fcgi_gen_response(c, rt->commit_id) == -1)
2222 		goto done;
2223 
2224 	if (strncmp(rt->tag_name, "refs/", 5) == 0)
2225 		rt->tag_name += 5;
2226 
2227 	if (fcgi_gen_response(c, " <span id='refs_str'>(") == -1)
2228 		goto done;
2229 	if (fcgi_gen_response(c, rt->tag_name) == -1)
2230 		goto done;
2231 	if (fcgi_gen_response(c, ")</span>") == -1)
2232 		goto done;
2233 
2234 	if (fcgi_gen_response(c, "</div>\n") == -1)
2235 		goto done;
2236 
2237 	if (fcgi_gen_response(c, "<div id='header_author_title'>Tagger:"
2238 	    "</div>\n") == -1)
2239 		goto done;
2240 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2241 		goto done;
2242 	if (fcgi_gen_response(c, author ? author : "") == -1)
2243 		goto done;
2244 	if (fcgi_gen_response(c, "</div>\n") == -1)
2245 		goto done;
2246 
2247 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2248 	    "</div>\n") == -1)
2249 		goto done;
2250 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2251 		goto done;
2252 	if (fcgi_gen_response(c, age ? age : "") == -1)
2253 		goto done;
2254 	if (fcgi_gen_response(c, "</div>\n") == -1)
2255 		goto done;
2256 
2257 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2258 	    "</div>\n") == -1)
2259 		goto done;
2260 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2261 		goto done;
2262 	if (fcgi_gen_response(c, rt->commit_msg) == -1)
2263 		goto done;
2264 	if (fcgi_gen_response(c, "</div>\n") == -1)
2265 		goto done;
2266 	if (fcgi_gen_response(c, "</div>\n") == -1)
2267 		goto done;
2268 
2269 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2270 		goto done;
2271 	if (fcgi_gen_response(c, "<div id='tag_commit'>\n") == -1)
2272 		goto done;
2273 
2274 	if (fcgi_gen_response(c, rt->tag_commit) == -1)
2275 		goto done;
2276 
2277 	if (fcgi_gen_response(c, "</div>\n") == -1)
2278 		goto done;
2279 	fcgi_gen_response(c, "</div>\n");
2280 done:
2281 	free(age);
2282 	free(author);
2283 	return error;
2284 }
2285 
2286 static const struct got_error *
2287 gotweb_render_tags(struct request *c)
2288 {
2289 	const struct got_error *error = NULL;
2290 	struct repo_tag *rt = NULL;
2291 	struct server *srv = c->srv;
2292 	struct transport *t = c->t;
2293 	struct querystring *qs = t->qs;
2294 	struct repo_dir *repo_dir = t->repo_dir;
2295 	char *newline;
2296 	char *age = NULL;
2297 	int commit_found = 0;
2298 
2299 	if (qs->action == BRIEFS) {
2300 		qs->action = TAGS;
2301 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
2302 	} else
2303 		error = got_get_repo_tags(c, srv->max_commits_display);
2304 	if (error)
2305 		goto done;
2306 
2307 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2308 		goto done;
2309 	if (fcgi_gen_response(c,
2310 	    "<div id='tags_title'>Tags</div>\n") == -1)
2311 		goto done;
2312 	if (fcgi_gen_response(c, "</div>\n") == -1)
2313 		goto done;
2314 
2315 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2316 		goto done;
2317 
2318 	if (t->tag_count == 0) {
2319 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
2320 			goto done;
2321 		if (fcgi_gen_response(c,
2322 		    "This repository contains no tags\n") == -1)
2323 			goto done;
2324 		if (fcgi_gen_response(c, "</div>\n") == -1)
2325 			goto done;
2326 		if (fcgi_gen_response(c, "</div>\n") == -1)
2327 			goto done;
2328 	}
2329 
2330 	TAILQ_FOREACH(rt, &t->repo_tags, entry) {
2331 		if (commit_found == 0 && qs->commit != NULL) {
2332 			if (strcmp(qs->commit, rt->commit_id) != 0)
2333 				continue;
2334 			else
2335 				commit_found = 1;
2336 		}
2337 		error = gotweb_get_time_str(&age, rt->tagger_time, TM_DIFF);
2338 		if (error)
2339 			goto done;
2340 		if (fcgi_gen_response(c, "<div id='tag_age'>") == -1)
2341 			goto done;
2342 		if (fcgi_gen_response(c, age ? age : "") == -1)
2343 			goto done;
2344 		if (fcgi_gen_response(c, "</div>\n") == -1)
2345 			goto done;
2346 
2347 		if (fcgi_gen_response(c, "<div id='tag'>") == -1)
2348 			goto done;
2349 		if (strncmp(rt->tag_name, "refs/tags/", 10) == 0)
2350 			rt->tag_name += 10;
2351 		if (fcgi_gen_response(c, rt->tag_name) == -1)
2352 			goto done;
2353 		if (fcgi_gen_response(c, "</div>\n") == -1)
2354 			goto done;
2355 
2356 		if (fcgi_gen_response(c, "<div id='tags_log'>") == -1)
2357 			goto done;
2358 		if (rt->tag_commit != NULL) {
2359 			newline = strchr(rt->tag_commit, '\n');
2360 			if (newline)
2361 				*newline = '\0';
2362 		}
2363 
2364 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2365 			goto done;
2366 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2367 			goto done;
2368 		if (fcgi_gen_response(c, "&path=") == -1)
2369 			goto done;
2370 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2371 			goto done;
2372 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2373 			goto done;
2374 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2375 			goto done;
2376 		if (fcgi_gen_response(c, "'>") == -1)
2377 			goto done;
2378 		if (rt->tag_commit != NULL &&
2379 		    fcgi_gen_response(c, rt->tag_commit) == -1)
2380 			goto done;
2381 		if (fcgi_gen_response(c, "</a>") == -1)
2382 			goto done;
2383 		if (fcgi_gen_response(c, "</div>\n") == -1)
2384 			goto done;
2385 
2386 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
2387 			goto done;
2388 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
2389 			goto done;
2390 
2391 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2392 			goto done;
2393 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2394 			goto done;
2395 		if (fcgi_gen_response(c, "&path=") == -1)
2396 			goto done;
2397 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2398 			goto done;
2399 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2400 			goto done;
2401 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2402 			goto done;
2403 		if (fcgi_gen_response(c, "'>") == -1)
2404 			goto done;
2405 		if (fcgi_gen_response(c, "tag") == -1)
2406 			goto done;
2407 		if (fcgi_gen_response(c, "</a>") == -1)
2408 			goto done;
2409 
2410 		if (fcgi_gen_response(c, " | ") == -1)
2411 			goto done;
2412 
2413 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2414 			goto done;
2415 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2416 			goto done;
2417 		if (fcgi_gen_response(c, "&path=") == -1)
2418 			goto done;
2419 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2420 			goto done;
2421 		if (fcgi_gen_response(c, "&action=briefs&commit=") == -1)
2422 			goto done;
2423 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2424 			goto done;
2425 		if (fcgi_gen_response(c, "'>") == -1)
2426 			goto done;
2427 		if (fcgi_gen_response(c, "commit briefs") == -1)
2428 			goto done;
2429 		if (fcgi_gen_response(c, "</a>") == -1)
2430 			goto done;
2431 
2432 		if (fcgi_gen_response(c, " | ") == -1)
2433 			goto done;
2434 
2435 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2436 			goto done;
2437 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2438 			goto done;
2439 		if (fcgi_gen_response(c, "&path=") == -1)
2440 			goto done;
2441 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2442 			goto done;
2443 		if (fcgi_gen_response(c, "&action=commits&commit=") == -1)
2444 			goto done;
2445 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2446 			goto done;
2447 		if (fcgi_gen_response(c, "'>") == -1)
2448 			goto done;
2449 		if (fcgi_gen_response(c, "commits") == -1)
2450 			goto done;
2451 		if (fcgi_gen_response(c, "</a>") == -1)
2452 			goto done;
2453 
2454 		if (fcgi_gen_response(c, "</div>\n") == -1)
2455 			goto done;
2456 		if (fcgi_gen_response(c, "</div>\n") == -1)
2457 			goto done;
2458 		if (fcgi_gen_response(c,
2459 		    "<div id='dotted_line'></div>\n") == -1)
2460 			goto done;
2461 
2462 		free(age);
2463 		age = NULL;
2464 	}
2465 	if (t->next_id || t->prev_id) {
2466 		error = gotweb_render_navs(c);
2467 		if (error)
2468 			goto done;
2469 	}
2470 	fcgi_gen_response(c, "</div>\n");
2471 done:
2472 	free(age);
2473 	return error;
2474 }
2475 
2476 const struct got_error *
2477 gotweb_escape_html(char **escaped_html, const char *orig_html)
2478 {
2479 	const struct got_error *error = NULL;
2480 	struct escape_pair {
2481 		char c;
2482 		const char *s;
2483 	} esc[] = {
2484 		{ '>', "&gt;" },
2485 		{ '<', "&lt;" },
2486 		{ '&', "&amp;" },
2487 		{ '"', "&quot;" },
2488 		{ '\'', "&apos;" },
2489 		{ '\n', "<br />" },
2490 	};
2491 	size_t orig_len, len;
2492 	int i, j, x;
2493 
2494 	orig_len = strlen(orig_html);
2495 	len = orig_len;
2496 	for (i = 0; i < orig_len; i++) {
2497 		for (j = 0; j < nitems(esc); j++) {
2498 			if (orig_html[i] != esc[j].c)
2499 				continue;
2500 			len += strlen(esc[j].s) - 1 /* escaped char */;
2501 		}
2502 	}
2503 
2504 	*escaped_html = calloc(len + 1 /* NUL */, sizeof(**escaped_html));
2505 	if (*escaped_html == NULL)
2506 		return got_error_from_errno("calloc");
2507 
2508 	x = 0;
2509 	for (i = 0; i < orig_len; i++) {
2510 		int escaped = 0;
2511 		for (j = 0; j < nitems(esc); j++) {
2512 			if (orig_html[i] != esc[j].c)
2513 				continue;
2514 
2515 			if (strlcat(*escaped_html, esc[j].s, len + 1)
2516 			    >= len + 1) {
2517 				error = got_error(GOT_ERR_NO_SPACE);
2518 				goto done;
2519 			}
2520 			x += strlen(esc[j].s);
2521 			escaped = 1;
2522 			break;
2523 		}
2524 		if (!escaped) {
2525 			(*escaped_html)[x] = orig_html[i];
2526 			x++;
2527 		}
2528 	}
2529 done:
2530 	if (error) {
2531 		free(*escaped_html);
2532 		*escaped_html = NULL;
2533 	} else {
2534 		(*escaped_html)[x] = '\0';
2535 	}
2536 
2537 	return error;
2538 }
2539 
2540 static const struct got_error *
2541 gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
2542 {
2543 	const struct got_error *error = NULL;
2544 	struct socket *sock = c->sock;
2545 	struct server *srv = c->srv;
2546 	struct transport *t = c->t;
2547 	DIR *dt;
2548 	char *dir_test;
2549 	int opened = 0;
2550 
2551 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2552 	    GOTWEB_GIT_DIR) == -1)
2553 		return got_error_from_errno("asprintf");
2554 
2555 	dt = opendir(dir_test);
2556 	if (dt == NULL) {
2557 		free(dir_test);
2558 	} else {
2559 		repo_dir->path = strdup(dir_test);
2560 		if (repo_dir->path == NULL) {
2561 			opened = 1;
2562 			error = got_error_from_errno("strdup");
2563 			goto err;
2564 		}
2565 		opened = 1;
2566 		goto done;
2567 	}
2568 
2569 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2570 	    GOTWEB_GOT_DIR) == -1) {
2571 		dir_test = NULL;
2572 		error = got_error_from_errno("asprintf");
2573 		goto err;
2574 	}
2575 
2576 	dt = opendir(dir_test);
2577 	if (dt == NULL)
2578 		free(dir_test);
2579 	else {
2580 		opened = 1;
2581 		error = got_error(GOT_ERR_NOT_GIT_REPO);
2582 		goto err;
2583 	}
2584 
2585 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
2586 	    repo_dir->name) == -1) {
2587 		error = got_error_from_errno("asprintf");
2588 		dir_test = NULL;
2589 		goto err;
2590 	}
2591 
2592 	repo_dir->path = strdup(dir_test);
2593 	if (repo_dir->path == NULL) {
2594 		opened = 1;
2595 		error = got_error_from_errno("strdup");
2596 		goto err;
2597 	}
2598 
2599 	dt = opendir(dir_test);
2600 	if (dt == NULL) {
2601 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
2602 		goto err;
2603 	} else
2604 		opened = 1;
2605 done:
2606 	error = got_repo_open(&t->repo, repo_dir->path, NULL, sock->pack_fds);
2607 	if (error)
2608 		goto err;
2609 	error = gotweb_get_repo_description(&repo_dir->description, srv,
2610 	    repo_dir->path);
2611 	if (error)
2612 		goto err;
2613 	error = got_get_repo_owner(&repo_dir->owner, c, repo_dir->path);
2614 	if (error)
2615 		goto err;
2616 	error = got_get_repo_age(&repo_dir->age, c, repo_dir->path,
2617 	    NULL, TM_DIFF);
2618 	if (error)
2619 		goto err;
2620 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path);
2621 err:
2622 	free(dir_test);
2623 	if (opened)
2624 		if (dt != NULL && closedir(dt) == EOF && error == NULL)
2625 			error = got_error_from_errno("closedir");
2626 	return error;
2627 }
2628 
2629 static const struct got_error *
2630 gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
2631 {
2632 	const struct got_error *error;
2633 
2634 	*repo_dir = calloc(1, sizeof(**repo_dir));
2635 	if (*repo_dir == NULL)
2636 		return got_error_from_errno("calloc");
2637 
2638 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
2639 		error = got_error_from_errno("asprintf");
2640 		free(*repo_dir);
2641 		*repo_dir = NULL;
2642 		return error;
2643 	}
2644 	(*repo_dir)->owner = NULL;
2645 	(*repo_dir)->description = NULL;
2646 	(*repo_dir)->url = NULL;
2647 	(*repo_dir)->age = NULL;
2648 	(*repo_dir)->path = NULL;
2649 
2650 	return NULL;
2651 }
2652 
2653 static const struct got_error *
2654 gotweb_get_repo_description(char **description, struct server *srv, char *dir)
2655 {
2656 	const struct got_error *error = NULL;
2657 	FILE *f = NULL;
2658 	char *d_file = NULL;
2659 	unsigned int len;
2660 	size_t n;
2661 
2662 	*description = NULL;
2663 	if (srv->show_repo_description == 0)
2664 		return NULL;
2665 
2666 	if (asprintf(&d_file, "%s/description", dir) == -1)
2667 		return got_error_from_errno("asprintf");
2668 
2669 	f = fopen(d_file, "r");
2670 	if (f == NULL) {
2671 		if (errno == ENOENT || errno == EACCES)
2672 			return NULL;
2673 		error = got_error_from_errno2("fopen", d_file);
2674 		goto done;
2675 	}
2676 
2677 	if (fseek(f, 0, SEEK_END) == -1) {
2678 		error = got_ferror(f, GOT_ERR_IO);
2679 		goto done;
2680 	}
2681 	len = ftell(f);
2682 	if (len == -1) {
2683 		error = got_ferror(f, GOT_ERR_IO);
2684 		goto done;
2685 	}
2686 
2687 	if (len == 0)
2688 		goto done;
2689 
2690 	if (fseek(f, 0, SEEK_SET) == -1) {
2691 		error = got_ferror(f, GOT_ERR_IO);
2692 		goto done;
2693 	}
2694 	*description = calloc(len + 1, sizeof(**description));
2695 	if (*description == NULL) {
2696 		error = got_error_from_errno("calloc");
2697 		goto done;
2698 	}
2699 
2700 	n = fread(*description, 1, len, f);
2701 	if (n == 0 && ferror(f))
2702 		error = got_ferror(f, GOT_ERR_IO);
2703 done:
2704 	if (f != NULL && fclose(f) == EOF && error == NULL)
2705 		error = got_error_from_errno("fclose");
2706 	free(d_file);
2707 	return error;
2708 }
2709 
2710 static const struct got_error *
2711 gotweb_get_clone_url(char **url, struct server *srv, char *dir)
2712 {
2713 	const struct got_error *error = NULL;
2714 	FILE *f;
2715 	char *d_file = NULL;
2716 	unsigned int len;
2717 	size_t n;
2718 
2719 	*url = NULL;
2720 
2721 	if (srv->show_repo_cloneurl == 0)
2722 		return NULL;
2723 
2724 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2725 		return got_error_from_errno("asprintf");
2726 
2727 	f = fopen(d_file, "r");
2728 	if (f == NULL) {
2729 		if (errno != ENOENT && errno != EACCES)
2730 			error = got_error_from_errno2("fopen", d_file);
2731 		goto done;
2732 	}
2733 
2734 	if (fseek(f, 0, SEEK_END) == -1) {
2735 		error = got_ferror(f, GOT_ERR_IO);
2736 		goto done;
2737 	}
2738 	len = ftell(f);
2739 	if (len == -1) {
2740 		error = got_ferror(f, GOT_ERR_IO);
2741 		goto done;
2742 	}
2743 	if (len == 0)
2744 		goto done;
2745 
2746 	if (fseek(f, 0, SEEK_SET) == -1) {
2747 		error = got_ferror(f, GOT_ERR_IO);
2748 		goto done;
2749 	}
2750 
2751 	*url = calloc(len + 1, sizeof(**url));
2752 	if (*url == NULL) {
2753 		error = got_error_from_errno("calloc");
2754 		goto done;
2755 	}
2756 
2757 	n = fread(*url, 1, len, f);
2758 	if (n == 0 && ferror(f))
2759 		error = got_ferror(f, GOT_ERR_IO);
2760 done:
2761 	if (f != NULL && fclose(f) == EOF && error == NULL)
2762 		error = got_error_from_errno("fclose");
2763 	free(d_file);
2764 	return error;
2765 }
2766 
2767 const struct got_error *
2768 gotweb_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2769 {
2770 	struct tm tm;
2771 	long long diff_time;
2772 	const char *years = "years ago", *months = "months ago";
2773 	const char *weeks = "weeks ago", *days = "days ago";
2774 	const char *hours = "hours ago",  *minutes = "minutes ago";
2775 	const char *seconds = "seconds ago", *now = "right now";
2776 	char *s;
2777 	char datebuf[29];
2778 
2779 	*repo_age = NULL;
2780 
2781 	switch (ref_tm) {
2782 	case TM_DIFF:
2783 		diff_time = time(NULL) - committer_time;
2784 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2785 			if (asprintf(repo_age, "%lld %s",
2786 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2787 				return got_error_from_errno("asprintf");
2788 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2789 			if (asprintf(repo_age, "%lld %s",
2790 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2791 			    months) == -1)
2792 				return got_error_from_errno("asprintf");
2793 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2794 			if (asprintf(repo_age, "%lld %s",
2795 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2796 				return got_error_from_errno("asprintf");
2797 		} else if (diff_time > 60 * 60 * 24 * 2) {
2798 			if (asprintf(repo_age, "%lld %s",
2799 			    (diff_time / 60 / 60 / 24), days) == -1)
2800 				return got_error_from_errno("asprintf");
2801 		} else if (diff_time > 60 * 60 * 2) {
2802 			if (asprintf(repo_age, "%lld %s",
2803 			    (diff_time / 60 / 60), hours) == -1)
2804 				return got_error_from_errno("asprintf");
2805 		} else if (diff_time > 60 * 2) {
2806 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2807 			    minutes) == -1)
2808 				return got_error_from_errno("asprintf");
2809 		} else if (diff_time > 2) {
2810 			if (asprintf(repo_age, "%lld %s", diff_time,
2811 			    seconds) == -1)
2812 				return got_error_from_errno("asprintf");
2813 		} else {
2814 			if (asprintf(repo_age, "%s", now) == -1)
2815 				return got_error_from_errno("asprintf");
2816 		}
2817 		break;
2818 	case TM_LONG:
2819 		if (gmtime_r(&committer_time, &tm) == NULL)
2820 			return got_error_from_errno("gmtime_r");
2821 
2822 		s = asctime_r(&tm, datebuf);
2823 		if (s == NULL)
2824 			return got_error_from_errno("asctime_r");
2825 
2826 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2827 			return got_error_from_errno("asprintf");
2828 		break;
2829 	}
2830 	return NULL;
2831 }