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 		log_warnx("%s: %s", __func__, error->msg);
149 		goto err;
150 	}
151 
152 	/*
153 	 * certain actions require a commit id in the querystring. this stops
154 	 * bad actors from exploiting this by manually manipulating the
155 	 * querystring.
156 	 */
157 
158 	if (qs->commit == NULL && (qs->action == BLAME || qs->action == BLOB ||
159 	    qs->action == DIFF)) {
160 		error2 = got_error(GOT_ERR_QUERYSTRING);
161 		goto render;
162 	}
163 
164 	if (qs->action != INDEX) {
165 		error = gotweb_init_repo_dir(&repo_dir, qs->path);
166 		if (error)
167 			goto done;
168 		error = gotweb_load_got_path(c, repo_dir);
169 		c->t->repo_dir = repo_dir;
170 		if (error && error->code != GOT_ERR_LONELY_PACKIDX)
171 			goto err;
172 	}
173 
174 	/* render top of page */
175 	if (qs != NULL && qs->action == BLOB) {
176 		error = got_get_repo_commits(c, 1);
177 		if (error)
178 			goto done;
179 		error = got_output_file_blob(c);
180 		if (error) {
181 			log_warnx("%s: %s", __func__, error->msg);
182 			goto err;
183 		}
184 		goto done;
185 	} else {
186 render:
187 		error = gotweb_render_content_type(c, "text/html");
188 		if (error) {
189 			log_warnx("%s: %s", __func__, error->msg);
190 			goto err;
191 		}
192 		html = 1;
193 	}
194 
195 	error = gotweb_render_header(c);
196 	if (error) {
197 		log_warnx("%s: %s", __func__, error->msg);
198 		goto err;
199 	}
200 
201 	if (error2) {
202 		error = error2;
203 		goto err;
204 	}
205 
206 	switch(qs->action) {
207 	case BLAME:
208 		error = gotweb_render_blame(c);
209 		if (error) {
210 			log_warnx("%s: %s", __func__, error->msg);
211 			goto err;
212 		}
213 		break;
214 	case BRIEFS:
215 		error = gotweb_render_briefs(c);
216 		if (error) {
217 			log_warnx("%s: %s", __func__, error->msg);
218 			goto err;
219 		}
220 		break;
221 	case COMMITS:
222 		error = gotweb_render_commits(c);
223 		if (error) {
224 			log_warnx("%s: %s", __func__, error->msg);
225 			goto err;
226 		}
227 		break;
228 	case DIFF:
229 		error = gotweb_render_diff(c);
230 		if (error) {
231 			log_warnx("%s: %s", __func__, error->msg);
232 			goto err;
233 		}
234 		break;
235 	case INDEX:
236 		error = gotweb_render_index(c);
237 		if (error) {
238 			log_warnx("%s: %s", __func__, error->msg);
239 			goto err;
240 		}
241 		break;
242 	case SUMMARY:
243 		error = gotweb_render_summary(c);
244 		if (error) {
245 			log_warnx("%s: %s", __func__, error->msg);
246 			goto err;
247 		}
248 		break;
249 	case TAG:
250 		error = gotweb_render_tag(c);
251 		if (error) {
252 			log_warnx("%s: %s", __func__, error->msg);
253 			goto err;
254 		}
255 		break;
256 	case TAGS:
257 		error = gotweb_render_tags(c);
258 		if (error) {
259 			log_warnx("%s: %s", __func__, error->msg);
260 			goto err;
261 		}
262 		break;
263 	case TREE:
264 		error = gotweb_render_tree(c);
265 		if (error) {
266 			log_warnx("%s: %s", __func__, error->msg);
267 			goto err;
268 		}
269 		break;
270 	case ERR:
271 	default:
272 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
273 			goto err;
274 		if (fcgi_gen_response(c, "Error: Bad Querystring\n") == -1)
275 			goto err;
276 		if (fcgi_gen_response(c, "</div>\n") == -1)
277 			goto err;
278 		break;
279 	}
280 
281 	goto done;
282 err:
283 	if (html && fcgi_gen_response(c, "<div id='err_content'>") == -1)
284 		return;
285 	if (fcgi_gen_response(c, err) == -1)
286 		return;
287 	if (error) {
288 		if (fcgi_gen_response(c, (uint8_t *)error->msg) == -1)
289 			return;
290 	} else {
291 		if (fcgi_gen_response(c, "see daemon logs for details") == -1)
292 			return;
293 	}
294 	if (html && fcgi_gen_response(c, "</div>\n") == -1)
295 		return;
296 done:
297 	if (c->t->repo != NULL && qs->action != INDEX)
298 		got_repo_close(c->t->repo);
299 	if (html && srv != NULL)
300 		gotweb_render_footer(c);
301 }
302 
303 struct server *
304 gotweb_get_server(uint8_t *server_name, uint8_t *document_root,
305     uint8_t *subdomain)
306 {
307 	struct server *srv = NULL;
308 
309 	/* check against document_root first */
310 	if (strlen(server_name) > 0)
311 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
312 			if (strcmp(srv->name, server_name) == 0)
313 				goto done;
314 
315 	/* check against document_root second */
316 	if (strlen(document_root) > 0)
317 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
318 			if (strcmp(srv->name, document_root) == 0)
319 				goto done;
320 
321 	/* check against subdomain third */
322 	if (strlen(subdomain) > 0)
323 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
324 			if (strcmp(srv->name, subdomain) == 0)
325 				goto done;
326 
327 	/* if those fail, send first server */
328 	TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
329 		if (srv != NULL)
330 			break;
331 done:
332 	return srv;
333 };
334 
335 const struct got_error *
336 gotweb_init_transport(struct transport **t)
337 {
338 	const struct got_error *error = NULL;
339 
340 	*t = calloc(1, sizeof(**t));
341 	if (*t == NULL)
342 		return got_error_from_errno2("%s: calloc", __func__);
343 
344 	TAILQ_INIT(&(*t)->repo_commits);
345 	TAILQ_INIT(&(*t)->repo_tags);
346 
347 	(*t)->repo = NULL;
348 	(*t)->repo_dir = NULL;
349 	(*t)->qs = NULL;
350 	(*t)->next_id = NULL;
351 	(*t)->prev_id = NULL;
352 	(*t)->next_disp = 0;
353 	(*t)->prev_disp = 0;
354 
355 	return error;
356 }
357 
358 static const struct got_error *
359 gotweb_init_querystring(struct querystring **qs)
360 {
361 	const struct got_error *error = NULL;
362 
363 	*qs = calloc(1, sizeof(**qs));
364 	if (*qs == NULL)
365 		return got_error_from_errno2("%s: calloc", __func__);
366 
367 	(*qs)->action = INDEX;
368 	(*qs)->commit = NULL;
369 	(*qs)->file = NULL;
370 	(*qs)->folder = NULL;
371 	(*qs)->headref = strdup("HEAD");
372 	if ((*qs)->headref == NULL) {
373 		return got_error_from_errno2("%s: strdup", __func__);
374 	}
375 	(*qs)->index_page = 0;
376 	(*qs)->index_page_str = NULL;
377 	(*qs)->path = NULL;
378 
379 	return error;
380 }
381 
382 static const struct got_error *
383 gotweb_parse_querystring(struct querystring **qs, char *qst)
384 {
385 	const struct got_error *error = NULL;
386 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
387 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
388 
389 	if (qst == NULL)
390 		return error;
391 
392 	tok1 = strdup(qst);
393 	if (tok1 == NULL)
394 		return got_error_from_errno2("%s: strdup", __func__);
395 
396 	tok1_pair = tok1;
397 	tok1_end = tok1;
398 
399 	while (tok1_pair != NULL) {
400 		strsep(&tok1_end, "&");
401 
402 		tok2 = strdup(tok1_pair);
403 		if (tok2 == NULL) {
404 			free(tok1);
405 			return got_error_from_errno2("%s: strdup", __func__);
406 		}
407 
408 		tok2_pair = tok2;
409 		tok2_end = tok2;
410 
411 		while (tok2_pair != NULL) {
412 			strsep(&tok2_end, "=");
413 			if (tok2_end) {
414 				error = gotweb_assign_querystring(qs, tok2_pair,
415 				    tok2_end);
416 				if (error)
417 					goto err;
418 			}
419 			tok2_pair = tok2_end;
420 		}
421 		free(tok2);
422 		tok1_pair = tok1_end;
423 	}
424 	free(tok1);
425 	return error;
426 err:
427 	free(tok2);
428 	free(tok1);
429 	return error;
430 }
431 
432 static const struct got_error *
433 gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
434 {
435 	const struct got_error *error = NULL;
436 	const char *errstr;
437 	int a_cnt, el_cnt;
438 
439 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
440 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
441 			continue;
442 
443 		switch (querystring_keys[el_cnt].element) {
444 		case ACTION:
445 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
446 				if (strcmp(value, action_keys[a_cnt].name) != 0)
447 					continue;
448 				else if (strcmp(value,
449 				    action_keys[a_cnt].name) == 0){
450 					(*qs)->action =
451 					    action_keys[a_cnt].action;
452 					goto qa_found;
453 				}
454 			}
455 			(*qs)->action = ERR;
456 qa_found:
457 			break;
458 		case COMMIT:
459 			(*qs)->commit = strdup(value);
460 			if ((*qs)->commit == NULL) {
461 				error = got_error_from_errno2("%s: strdup",
462 				    __func__);
463 				goto done;
464 			}
465 			break;
466 		case RFILE:
467 			(*qs)->file = strdup(value);
468 			if ((*qs)->file == NULL) {
469 				error = got_error_from_errno2("%s: strdup",
470 				    __func__);
471 				goto done;
472 			}
473 			break;
474 		case FOLDER:
475 			(*qs)->folder = strdup(value);
476 			if ((*qs)->folder == NULL) {
477 				error = got_error_from_errno2("%s: strdup",
478 				    __func__);
479 				goto done;
480 			}
481 			break;
482 		case HEADREF:
483 			(*qs)->headref = strdup(value);
484 			if ((*qs)->headref == NULL) {
485 				error = got_error_from_errno2("%s: strdup",
486 				    __func__);
487 				goto done;
488 			}
489 			break;
490 		case INDEX_PAGE:
491 			if (strlen(value) == 0)
492 				break;
493 			(*qs)->index_page_str = strdup(value);
494 			if ((*qs)->index_page_str == NULL) {
495 				error = got_error_from_errno2("%s: strdup",
496 				    __func__);
497 				goto done;
498 			}
499 			(*qs)->index_page = strtonum(value, INT64_MIN,
500 			    INT64_MAX, &errstr);
501 			if (errstr) {
502 				error = got_error_from_errno3("%s: strtonum %s",
503 				    __func__, errstr);
504 				goto done;
505 			}
506 			if ((*qs)->index_page < 0) {
507 				(*qs)->index_page = 0;
508 				sprintf((*qs)->index_page_str, "%d", 0);
509 			}
510 			break;
511 		case PATH:
512 			(*qs)->path = strdup(value);
513 			if ((*qs)->path == NULL) {
514 				error = got_error_from_errno2("%s: strdup",
515 				    __func__);
516 				goto done;
517 			}
518 			break;
519 		case PAGE:
520 			if (strlen(value) == 0)
521 				break;
522 			(*qs)->page_str = strdup(value);
523 			if ((*qs)->page_str == NULL) {
524 				error = got_error_from_errno2("%s: strdup",
525 				    __func__);
526 				goto done;
527 			}
528 			(*qs)->page = strtonum(value, INT64_MIN,
529 			    INT64_MAX, &errstr);
530 			if (errstr) {
531 				error = got_error_from_errno3("%s: strtonum %s",
532 				    __func__, errstr);
533 				goto done;
534 			}
535 			if ((*qs)->page < 0) {
536 				(*qs)->page = 0;
537 				sprintf((*qs)->page_str, "%d", 0);
538 			}
539 			break;
540 		default:
541 			break;
542 		}
543 	}
544 done:
545 	return error;
546 }
547 
548 void
549 gotweb_free_repo_tag(struct repo_tag *rt)
550 {
551 	if (rt != NULL) {
552 		free(rt->commit_msg);
553 		free(rt->commit_id);
554 		free(rt->tagger);
555 	}
556 	free(rt);
557 }
558 
559 void
560 gotweb_free_repo_commit(struct repo_commit *rc)
561 {
562 	if (rc != NULL) {
563 		free(rc->path);
564 		free(rc->refs_str);
565 		free(rc->commit_id);
566 		free(rc->parent_id);
567 		free(rc->tree_id);
568 		free(rc->author);
569 		free(rc->committer);
570 		free(rc->commit_msg);
571 	}
572 	free(rc);
573 }
574 
575 static void
576 gotweb_free_querystring(struct querystring *qs)
577 {
578 	if (qs != NULL) {
579 		free(qs->commit);
580 		free(qs->file);
581 		free(qs->folder);
582 		free(qs->headref);
583 		free(qs->index_page_str);
584 		free(qs->path);
585 		free(qs->page_str);
586 	}
587 	free(qs);
588 }
589 
590 static void
591 gotweb_free_repo_dir(struct repo_dir *repo_dir)
592 {
593 	if (repo_dir != NULL) {
594 		free(repo_dir->name);
595 		free(repo_dir->owner);
596 		free(repo_dir->description);
597 		free(repo_dir->url);
598 		free(repo_dir->age);
599 		free(repo_dir->path);
600 	}
601 	free(repo_dir);
602 }
603 
604 void
605 gotweb_free_transport(struct transport *t)
606 {
607 	struct repo_commit *rc = NULL, *trc = NULL;
608 	struct repo_tag *rt = NULL, *trt = NULL;
609 
610 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
611 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
612 		gotweb_free_repo_commit(rc);
613 	}
614 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
615 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
616 		gotweb_free_repo_tag(rt);
617 	}
618 	gotweb_free_repo_dir(t->repo_dir);
619 	gotweb_free_querystring(t->qs);
620 	if (t != NULL) {
621 		free(t->next_id);
622 		free(t->prev_id);
623 	}
624 	free(t);
625 }
626 
627 const struct got_error *
628 gotweb_render_content_type(struct request *c, const uint8_t *type)
629 {
630 	const struct got_error *error = NULL;
631 	char *h = NULL;
632 
633 	if (asprintf(&h, "Content-type: %s\r\n\r\n", type) == -1) {
634 		error = got_error_from_errno2("%s: asprintf", __func__);
635 		goto done;
636 	}
637 
638 	fcgi_gen_response(c, h);
639 done:
640 	free(h);
641 
642 	return error;
643 }
644 
645 const struct got_error *
646 gotweb_render_content_type_file(struct request *c, const uint8_t *type,
647     char *file)
648 {
649 	const struct got_error *error = NULL;
650 	char *h = NULL;
651 
652 	if (asprintf(&h, "Content-type: %s\r\n"
653 	    "Content-disposition: attachment; filename=%s\r\n\r\n",
654 	    type, file) == -1) {
655 		error = got_error_from_errno2("%s: asprintf", __func__);
656 		goto done;
657 	}
658 
659 	fcgi_gen_response(c, h);
660 done:
661 	free(h);
662 
663 	return error;
664 }
665 
666 static const struct got_error *
667 gotweb_render_header(struct request *c)
668 {
669 	const struct got_error *error = NULL;
670 	struct server *srv = c->srv;
671 	struct querystring *qs = c->t->qs;
672 	char *title = NULL, *droot = NULL, *css = NULL, *gotlink = NULL;
673 	char *gotimg = NULL, *sitelink = NULL, *summlink = NULL;
674 
675 	if (strlen(c->document_root) > 0) {
676 		if (asprintf(&droot, "/%s/", c->document_root) == -1) {
677 			error = got_error_from_errno2("%s: asprintf", __func__);
678 			goto done;
679 		}
680 	} else {
681 		if (asprintf(&droot, "/") == -1) {
682 			error = got_error_from_errno2("%s: asprintf", __func__);
683 			goto done;
684 		}
685 	}
686 
687 	if (asprintf(&title, "<title>%s</title>\n", srv->site_name) == -1) {
688 		error = got_error_from_errno2("%s: asprintf", __func__);
689 		goto done;
690 	}
691 	if (asprintf(&css,
692 	    "<link rel='stylesheet' type='text/css' href='%s%s'/>\n",
693 	    droot, srv->custom_css) == -1) {
694 		error = got_error_from_errno2("%s: asprintf", __func__);
695 		goto done;
696 	}
697 	if (asprintf(&gotlink, "<a href='%s' target='_sotd'>",
698 	    srv->logo_url) == -1) {
699 		error = got_error_from_errno2("%s: asprintf", __func__);
700 		goto done;
701 	}
702 	if (asprintf(&gotimg, "<img src='%s%s' alt='logo' id='logo'/></a>",
703 	    droot, srv->logo) == -1) {
704 		error = got_error_from_errno2("%s: asprintf", __func__);
705 		goto done;
706 	}
707 	if (asprintf(&sitelink, "<a href='/%s?index_page=%d' "
708 	    "alt='sitelink'>%s</a>", c->document_root, qs->index_page,
709 	    srv->site_link) == -1) {
710 		error = got_error_from_errno2("%s: asprintf", __func__);
711 		goto done;
712 	}
713 	if (asprintf(&summlink, "<a href='/%s?index_page=%d&path=%s"
714 	    "&action=summary' alt='summlink'>%s</a>", c->document_root,
715 	    qs->index_page, qs->path, qs->path) == -1) {
716 		error = got_error_from_errno2("%s: asprintf", __func__);
717 		goto done;
718 	}
719 
720 	if (fcgi_gen_response(c, "<!DOCTYPE html>\n<head>\n") == -1)
721 		goto done;
722 	if (fcgi_gen_response(c, title) == -1)
723 		goto done;
724 	if (fcgi_gen_response(c, "<meta name='viewport' "
725 	    "content='initial-scale=.75, user-scalable=yes'/>\n") == -1)
726 		goto done;
727 	if (fcgi_gen_response(c, "<meta charset='utf-8'/>\n") == -1)
728 		goto done;
729 	if (fcgi_gen_response(c, "<meta name='msapplication-TileColor' "
730 	    "content='#da532c'/>\n") == -1)
731 		goto done;
732 	if (fcgi_gen_response(c,
733 	    "<meta name='theme-color' content='#ffffff'/>\n") == -1)
734 		goto done;
735 	if (fcgi_gen_response(c, "<link rel='apple-touch-icon' sizes='180x180' "
736 	    "href='/apple-touch-icon.png'/>\n") == -1)
737 		goto done;
738 	if (fcgi_gen_response(c,
739 	    "<link rel='icon' type='image/png' sizes='32x32' "
740 	    "href='/favicon-32x32.png'/>\n") == -1)
741 		goto done;
742 	if (fcgi_gen_response(c, "<link rel='icon' type='image/png' "
743 	    "sizes='16x16' href='/favicon-16x16.png'/>\n") == -1)
744 		goto done;
745 	if (fcgi_gen_response(c, "<link rel='manifest' "
746 	    "href='/site.webmanifest'/>\n") == -1)
747 		goto done;
748 	if (fcgi_gen_response(c, "<link rel='mask-icon' "
749 	    "href='/safari-pinned-tab.svg'/>\n") == -1)
750 		goto done;
751 	if (fcgi_gen_response(c, css) == -1)
752 		goto done;
753 	if (fcgi_gen_response(c, "</head>\n<body>\n<div id='gw_body'>\n") == -1)
754 		goto done;
755 	if (fcgi_gen_response(c,
756 	    "<div id='header'>\n<div id='got_link'>") == -1)
757 		goto done;
758 	if (fcgi_gen_response(c, gotlink) == -1)
759 		goto done;
760 	if (fcgi_gen_response(c, gotimg) == -1)
761 		goto done;
762 	if (fcgi_gen_response(c, "</div>\n</div>\n") == -1)
763 		goto done;
764 	if (fcgi_gen_response(c,
765 	    "<div id='site_path'>\n<div id='site_link'>") == -1)
766 		goto done;
767 	if (fcgi_gen_response(c, sitelink) == -1)
768 		goto done;
769 	if (qs != NULL) {
770 		if (qs->path != NULL) {
771 			if (fcgi_gen_response(c, " / ") == -1)
772 				goto done;
773 			if (fcgi_gen_response(c, summlink) == -1)
774 				goto done;
775 		}
776 		if (qs->action != INDEX) {
777 			if (fcgi_gen_response(c, " / ") == -1)
778 				goto done;
779 			switch(qs->action) {
780 			case(BLAME):
781 				if (fcgi_gen_response(c, "blame") == -1)
782 					goto done;
783 				break;
784 			case(BRIEFS):
785 				if (fcgi_gen_response(c, "briefs") == -1)
786 					goto done;
787 				break;
788 			case(COMMITS):
789 				if (fcgi_gen_response(c, "commits") == -1)
790 					goto done;
791 				break;
792 			case(DIFF):
793 				if (fcgi_gen_response(c, "diff") == -1)
794 					goto done;
795 				break;
796 			case(SUMMARY):
797 				if (fcgi_gen_response(c, "summary") == -1)
798 					goto done;
799 				break;
800 			case(TAG):
801 				if (fcgi_gen_response(c, "tag") == -1)
802 					goto done;
803 				break;
804 			case(TAGS):
805 				if (fcgi_gen_response(c, "tags") == -1)
806 					goto done;
807 				break;
808 			case(TREE):
809 				if (fcgi_gen_response(c, "tree") == -1)
810 					goto done;
811 				break;
812 			default:
813 				break;
814 			}
815 		}
816 
817 	}
818 	fcgi_gen_response(c, "</div>\n</div>\n<div id='content'>\n");
819 done:
820 	free(title);
821 	free(droot);
822 	free(css);
823 	free(gotlink);
824 	free(gotimg);
825 	free(sitelink);
826 	free(summlink);
827 
828 	return error;
829 }
830 
831 static const struct got_error *
832 gotweb_render_footer(struct request *c)
833 {
834 	const struct got_error *error = NULL;
835 	struct server *srv = c->srv;
836 	char *siteowner = NULL;
837 
838 	if (fcgi_gen_response(c, "<div id='site_owner_wrapper'>\n") == -1)
839 		goto done;
840 	if (fcgi_gen_response(c, "<div id='site_owner'>") == -1)
841 		goto done;
842 	if (srv->show_site_owner) {
843 		error = gotweb_escape_html(&siteowner, srv->site_owner);
844 		if (error)
845 			goto done;
846 		if (fcgi_gen_response(c, siteowner) == -1)
847 			goto done;
848 	} else
849 		if (fcgi_gen_response(c, "&nbsp;") == -1)
850 			goto done;
851 	fcgi_gen_response(c, "</div>\n</div>\n</div>\n</body>\n</html>");
852 done:
853 	free(siteowner);
854 
855 	return error;
856 }
857 
858 static const struct got_error *
859 gotweb_render_navs(struct request *c)
860 {
861 	const struct got_error *error = NULL;
862 	struct transport *t = c->t;
863 	struct querystring *qs = t->qs;
864 	struct server *srv = c->srv;
865 	char *nhref = NULL, *phref = NULL;
866 	int disp = 0;
867 
868 	if (fcgi_gen_response(c, "<div id='np_wrapper'>\n") == -1)
869 		goto done;
870 	if (fcgi_gen_response(c, "<div id='nav_prev'>") == -1)
871 		goto done;
872 
873 	switch(qs->action) {
874 	case INDEX:
875 		if (qs->index_page > 0) {
876 			if (asprintf(&phref, "index_page=%d",
877 			    qs->index_page - 1) == -1) {
878 				error = got_error_from_errno2("%s: asprintf",
879 				    __func__);
880 				goto done;
881 			}
882 			disp = 1;
883 		}
884 		break;
885 	case BRIEFS:
886 		if (t->prev_id && qs->commit != NULL &&
887 		    strcmp(qs->commit, t->prev_id) != 0) {
888 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
889 			    "&action=briefs&commit=%s&headref=%s",
890 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
891 			    qs->headref) == -1) {
892 				error = got_error_from_errno2("%s: asprintf",
893 				    __func__);
894 				goto done;
895 			}
896 			disp = 1;
897 		}
898 		break;
899 	case COMMITS:
900 		if (t->prev_id && qs->commit != NULL &&
901 		    strcmp(qs->commit, t->prev_id) != 0) {
902 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
903 			    "&action=commits&commit=%s&headref=%s&folder=%s"
904 			    "&file=%s",
905 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
906 			    qs->headref, qs->folder ? qs->folder : "",
907 			    qs->file ? qs->file : "") == -1) {
908 				error = got_error_from_errno2("%s: asprintf",
909 				    __func__);
910 				goto done;
911 			}
912 			disp = 1;
913 		}
914 		break;
915 	case TAGS:
916 		if (t->prev_id && qs->commit != NULL &&
917 		    strcmp(qs->commit, t->prev_id) != 0) {
918 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
919 			    "&action=tags&commit=%s&headref=%s",
920 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
921 			    qs->headref) == -1) {
922 				error = got_error_from_errno2("%s: asprintf",
923 				    __func__);
924 				goto done;
925 			}
926 			disp = 1;
927 		}
928 		break;
929 	default:
930 		disp = 0;
931 		break;
932 	}
933 
934 	if (disp) {
935 		if (fcgi_gen_response(c, "<a href='?") == -1)
936 			goto  done;
937 		if (fcgi_gen_response(c, phref) == -1)
938 			goto done;
939 		if (fcgi_gen_response(c, "'>Previous</a>") == -1)
940 			goto done;
941 	}
942 	if (fcgi_gen_response(c, "</div>\n") == -1)
943 		goto done;
944 	if (fcgi_gen_response(c, "<div id='nav_next'>") == -1)
945 		goto done;
946 
947 	disp = 0;
948 
949 	switch(qs->action) {
950 	case INDEX:
951 		if (t->next_disp == srv->max_repos_display &&
952 		    t->repos_total != (qs->index_page + 1) *
953 		    srv->max_repos_display) {
954 			if (asprintf(&nhref, "index_page=%d",
955 			    qs->index_page + 1) == -1) {
956 				error = got_error_from_errno2("%s: asprintf",
957 				    __func__);
958 				goto done;
959 			}
960 			disp = 1;
961 		}
962 		break;
963 	case BRIEFS:
964 		if (t->next_id) {
965 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
966 			    "&action=briefs&commit=%s&headref=%s",
967 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
968 			    qs->headref) == -1) {
969 				error = got_error_from_errno2("%s: asprintf",
970 				    __func__);
971 				goto done;
972 			}
973 			disp = 1;
974 		}
975 		break;
976 	case COMMITS:
977 		if (t->next_id) {
978 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
979 			    "&action=commits&commit=%s&headref=%s&folder=%s"
980 			    "&file=%s",
981 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
982 			    qs->headref, qs->folder ? qs->folder : "",
983 			    qs->file ? qs->file : "") == -1) {
984 				error = got_error_from_errno2("%s: asprintf",
985 				    __func__);
986 				goto done;
987 			}
988 			disp = 1;
989 		}
990 		break;
991 	case TAGS:
992 		if (t->next_id) {
993 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
994 			    "&action=tags&commit=%s&headref=%s",
995 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
996 			    qs->headref) == -1) {
997 				error = got_error_from_errno2("%s: asprintf",
998 				    __func__);
999 				goto done;
1000 			}
1001 			disp = 1;
1002 		}
1003 		break;
1004 	default:
1005 		disp = 0;
1006 		break;
1007 	}
1008 	if (disp) {
1009 		if (fcgi_gen_response(c, "<a href='?") == -1)
1010 			goto done;
1011 		if (fcgi_gen_response(c, nhref) == -1)
1012 			goto done;
1013 		if (fcgi_gen_response(c, "'>Next</a>") == -1)
1014 			goto done;
1015 	}
1016 	fcgi_gen_response(c, "</div>\n");
1017 done:
1018 	free(t->next_id);
1019 	t->next_id = NULL;
1020 	free(t->prev_id);
1021 	t->prev_id = NULL;
1022 	free(phref);
1023 	free(nhref);
1024 	return error;
1025 }
1026 
1027 static const struct got_error *
1028 gotweb_render_index(struct request *c)
1029 {
1030 	const struct got_error *error = NULL;
1031 	struct server *srv = c->srv;
1032 	struct transport *t = c->t;
1033 	struct querystring *qs = t->qs;
1034 	struct repo_dir *repo_dir = NULL;
1035 	DIR *d;
1036 	struct dirent **sd_dent;
1037 	char *c_path = NULL;
1038 	struct stat st;
1039 	unsigned int d_cnt, d_i, d_disp = 0;
1040 
1041 	d = opendir(srv->repos_path);
1042 	if (d == NULL) {
1043 		error = got_error_from_errno2("opendir", srv->repos_path);
1044 		return error;
1045 	}
1046 
1047 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
1048 	if (d_cnt == -1) {
1049 		error = got_error_from_errno2("scandir", srv->repos_path);
1050 		goto done;
1051 	}
1052 
1053 	/* get total count of repos */
1054 	for (d_i = 0; d_i < d_cnt; d_i++) {
1055 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1056 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1057 			continue;
1058 
1059 		if (asprintf(&c_path, "%s/%s", srv->repos_path,
1060 		    sd_dent[d_i]->d_name) == -1) {
1061 			error = got_error_from_errno("asprintf");
1062 			return error;
1063 		}
1064 
1065 		if (lstat(c_path, &st) == 0 && S_ISDIR(st.st_mode) &&
1066 		    !got_path_dir_is_empty(c_path))
1067 		t->repos_total++;
1068 		free(c_path);
1069 		c_path = NULL;
1070 	}
1071 
1072 	if (fcgi_gen_response(c, "<div id='index_header'>\n") == -1)
1073 		goto done;
1074 	if (fcgi_gen_response(c,
1075 	    "<div id='index_header_project'>Project</div>\n") == -1)
1076 		goto done;
1077 	if (srv->show_repo_description)
1078 		if (fcgi_gen_response(c, "<div id='index_header_description'>"
1079 		    "Description</div>\n") == -1)
1080 			goto done;
1081 	if (srv->show_repo_owner)
1082 		if (fcgi_gen_response(c, "<div id='index_header_owner'>"
1083 		    "Owner</div>\n") == -1)
1084 			goto done;
1085 	if (srv->show_repo_age)
1086 		if (fcgi_gen_response(c, "<div id='index_header_age'>"
1087 		    "Last Change</div>\n") == -1)
1088 			goto done;
1089 	if (fcgi_gen_response(c, "</div>\n") == -1)
1090 		goto done;
1091 
1092 	for (d_i = 0; d_i < d_cnt; d_i++) {
1093 		if (srv->max_repos > 0 && (d_i - 2) == srv->max_repos)
1094 			break; /* account for parent and self */
1095 
1096 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1097 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1098 			continue;
1099 
1100 		if (qs->index_page > 0 && (qs->index_page *
1101 		    srv->max_repos_display) > t->prev_disp) {
1102 			t->prev_disp++;
1103 			continue;
1104 		}
1105 
1106 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
1107 		if (error)
1108 			goto done;
1109 
1110 		error = gotweb_load_got_path(c, repo_dir);
1111 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1112 			error = NULL;
1113 			continue;
1114 		}
1115 		else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
1116 			goto done;
1117 
1118 		if (lstat(repo_dir->path, &st) == 0 &&
1119 		    S_ISDIR(st.st_mode) &&
1120 		    !got_path_dir_is_empty(repo_dir->path))
1121 			goto render;
1122 		else {
1123 			gotweb_free_repo_dir(repo_dir);
1124 			repo_dir = NULL;
1125 			continue;
1126 		}
1127 render:
1128 		d_disp++;
1129 		t->prev_disp++;
1130 		if (fcgi_gen_response(c, "<div class='index_wrapper'>\n") == -1)
1131 			goto done;
1132 		if (fcgi_gen_response(c, "<div class='index_project'>") == -1)
1133 			goto done;
1134 
1135 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1136 			goto done;
1137 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1138 			goto done;
1139 		if (fcgi_gen_response(c, "&path=") == -1)
1140 			goto done;
1141 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1142 			goto done;
1143 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1144 			goto done;
1145 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1146 			goto done;
1147 		if (fcgi_gen_response(c, "</a>") == -1)
1148 			goto done;
1149 
1150 		if (fcgi_gen_response(c, "</div>\n") == -1)
1151 			goto done;
1152 
1153 		if (srv->show_repo_description) {
1154 			if (fcgi_gen_response(c,
1155 			    "<div class='index_project_description'>\n") == -1)
1156 				goto done;
1157 			if (fcgi_gen_response(c, repo_dir->description) == -1)
1158 				goto done;
1159 			if (fcgi_gen_response(c, "</div>\n") == -1)
1160 				goto done;
1161 		}
1162 
1163 		if (srv->show_repo_owner) {
1164 			if (fcgi_gen_response(c,
1165 			    "<div class='index_project_owner'>") == -1)
1166 				goto done;
1167 			if (fcgi_gen_response(c, repo_dir->owner) == -1)
1168 				goto done;
1169 			if (fcgi_gen_response(c, "</div>\n") == -1)
1170 				goto done;
1171 		}
1172 
1173 		if (srv->show_repo_age) {
1174 			if (fcgi_gen_response(c,
1175 			    "<div class='index_project_age'>") == -1)
1176 				goto done;
1177 			if (fcgi_gen_response(c, repo_dir->age) == -1)
1178 				goto done;
1179 			if (fcgi_gen_response(c, "</div>\n") == -1)
1180 				goto done;
1181 		}
1182 
1183 		if (fcgi_gen_response(c, "<div class='navs_wrapper'>") == -1)
1184 			goto done;
1185 		if (fcgi_gen_response(c, "<div class='navs'>") == -1)
1186 			goto done;;
1187 
1188 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1189 			goto done;
1190 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1191 			goto done;
1192 		if (fcgi_gen_response(c, "&path=") == -1)
1193 			goto done;
1194 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1195 			goto done;
1196 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1197 			goto done;
1198 		if (fcgi_gen_response(c, "summary") == -1)
1199 			goto done;
1200 		if (fcgi_gen_response(c, "</a> | ") == -1)
1201 			goto done;
1202 
1203 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1204 			goto done;
1205 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1206 			goto done;
1207 		if (fcgi_gen_response(c, "&path=") == -1)
1208 			goto done;
1209 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1210 			goto done;
1211 		if (fcgi_gen_response(c, "&action=briefs'>") == -1)
1212 			goto done;
1213 		if (fcgi_gen_response(c, "commit briefs") == -1)
1214 			goto done;
1215 		if (fcgi_gen_response(c, "</a> | ") == -1)
1216 			goto done;
1217 
1218 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1219 			goto done;
1220 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1221 			goto done;
1222 		if (fcgi_gen_response(c, "&path=") == -1)
1223 			goto done;
1224 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1225 			goto done;
1226 		if (fcgi_gen_response(c, "&action=commits'>") == -1)
1227 			goto done;
1228 		if (fcgi_gen_response(c, "commits") == -1)
1229 			goto done;
1230 		if (fcgi_gen_response(c, "</a> | ") == -1)
1231 			goto done;
1232 
1233 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1234 			goto done;
1235 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1236 			goto done;
1237 		if (fcgi_gen_response(c, "&path=") == -1)
1238 			goto done;
1239 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1240 			goto done;
1241 		if (fcgi_gen_response(c, "&action=tags'>") == -1)
1242 			goto done;
1243 		if (fcgi_gen_response(c, "tags") == -1)
1244 			goto done;
1245 		if (fcgi_gen_response(c, "</a> | ") == -1)
1246 			goto done;
1247 
1248 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1249 			goto done;
1250 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1251 			goto done;
1252 		if (fcgi_gen_response(c, "&path=") == -1)
1253 			goto done;
1254 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1255 			goto done;
1256 		if (fcgi_gen_response(c, "&action=tree'>") == -1)
1257 			goto done;
1258 		if (fcgi_gen_response(c, "tree") == -1)
1259 			goto done;
1260 		if (fcgi_gen_response(c, "</a>") == -1)
1261 			goto done;
1262 
1263 		if (fcgi_gen_response(c, "</div>") == -1)
1264 			goto done;
1265 		if (fcgi_gen_response(c,
1266 		    "<div class='dotted_line'></div>\n") == -1)
1267 			goto done;
1268 		if (fcgi_gen_response(c, "</div>\n") == -1)
1269 			goto done;
1270 		if (fcgi_gen_response(c, "</div>\n") == -1)
1271 			goto done;
1272 
1273 		gotweb_free_repo_dir(repo_dir);
1274 		repo_dir = NULL;
1275 		error = got_repo_close(t->repo);
1276 		if (error)
1277 			goto done;
1278 		t->next_disp++;
1279 		if (d_disp == srv->max_repos_display)
1280 			break;
1281 	}
1282 	if (srv->max_repos_display == 0)
1283 		goto div;
1284 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
1285 		goto div;
1286 	if (t->repos_total <= srv->max_repos ||
1287 	    t->repos_total <= srv->max_repos_display)
1288 		goto div;
1289 
1290 	error = gotweb_render_navs(c);
1291 	if (error)
1292 		goto done;
1293 div:
1294 	fcgi_gen_response(c, "</div>\n");
1295 done:
1296 	if (d != NULL && closedir(d) == EOF && error == NULL)
1297 		error = got_error_from_errno("closedir");
1298 	return error;
1299 }
1300 
1301 static const struct got_error *
1302 gotweb_render_blame(struct request *c)
1303 {
1304 	const struct got_error *error = NULL;
1305 	struct transport *t = c->t;
1306 	struct repo_commit *rc = NULL;
1307 	char *age = NULL;
1308 
1309 	error = got_get_repo_commits(c, 1);
1310 	if (error)
1311 		return error;
1312 
1313 	rc = TAILQ_FIRST(&t->repo_commits);
1314 
1315 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1316 	if (error)
1317 		goto done;
1318 
1319 	if (fcgi_gen_response(c, "<div id='blame_title_wrapper'>\n") == -1)
1320 		goto done;
1321 	if (fcgi_gen_response(c, "<div id='blame_title'>Blame</div>\n") == -1)
1322 		goto done;
1323 	if (fcgi_gen_response(c, "</div>\n") == -1)
1324 		goto done;
1325 
1326 	if (fcgi_gen_response(c, "<div id='blame_content'>\n") == -1)
1327 		goto done;
1328 
1329 	if (fcgi_gen_response(c, "<div id='blame_header_wrapper'>\n") == -1)
1330 		goto done;
1331 	if (fcgi_gen_response(c, "<div id='blame_header'>\n") == -1)
1332 		goto done;
1333 
1334 	if (fcgi_gen_response(c, "<div class='header_age_title'>Date:"
1335 	    "</div>\n") == -1)
1336 		goto done;
1337 	if (fcgi_gen_response(c, "<div class='header_age'>") == -1)
1338 		goto done;
1339 	if (fcgi_gen_response(c, age ? age : "") == -1)
1340 		goto done;
1341 	if (fcgi_gen_response(c, "</div>\n") == -1)
1342 		goto done;
1343 
1344 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1345 	    "</div>\n") == -1)
1346 		goto done;
1347 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1348 		goto done;
1349 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1350 		goto done;
1351 	if (fcgi_gen_response(c, "</div>\n") == -1)
1352 		goto done;
1353 
1354 	if (fcgi_gen_response(c, "</div>\n") == -1)
1355 		goto done;
1356 	if (fcgi_gen_response(c, "</div>\n") == -1)
1357 		goto done;
1358 
1359 	if (fcgi_gen_response(c, "<div class='dotted_line'></div>\n") == -1)
1360 		goto done;
1361 	if (fcgi_gen_response(c, "<div id='blame'>\n") == -1)
1362 		goto done;
1363 
1364 	error = got_output_file_blame(c);
1365 	if (error)
1366 		goto done;
1367 
1368 	fcgi_gen_response(c, "</div>\n");
1369 done:
1370 	fcgi_gen_response(c, "</div>\n");
1371 	return error;
1372 }
1373 
1374 static const struct got_error *
1375 gotweb_render_briefs(struct request *c)
1376 {
1377 	const struct got_error *error = NULL;
1378 	struct repo_commit *rc = NULL;
1379 	struct server *srv = c->srv;
1380 	struct transport *t = c->t;
1381 	struct querystring *qs = t->qs;
1382 	struct repo_dir *repo_dir = t->repo_dir;
1383 	char *smallerthan, *newline;
1384 	char *age = NULL;
1385 
1386 	if (fcgi_gen_response(c, "<div id='briefs_title_wrapper'>\n") == -1)
1387 		goto done;
1388 	if (fcgi_gen_response(c,
1389 	    "<div id='briefs_title'>Commit Briefs</div>\n") == -1)
1390 		goto done;
1391 	if (fcgi_gen_response(c, "</div>\n") == -1)
1392 		goto done;
1393 
1394 	if (fcgi_gen_response(c, "<div id='briefs_content'>\n") == -1)
1395 		goto done;
1396 
1397 	if (qs->action == SUMMARY) {
1398 		qs->action = BRIEFS;
1399 		error = got_get_repo_commits(c, D_MAXSLCOMMDISP);
1400 	} else
1401 		error = got_get_repo_commits(c, srv->max_commits_display);
1402 	if (error)
1403 		goto done;
1404 
1405 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1406 		error = gotweb_get_time_str(&age, rc->committer_time, TM_DIFF);
1407 		if (error)
1408 			goto done;
1409 		if (fcgi_gen_response(c, "<div class='briefs_age'>") == -1)
1410 			goto done;
1411 		if (fcgi_gen_response(c, age ? age : "") == -1)
1412 			goto done;
1413 		if (fcgi_gen_response(c, "</div>\n") == -1)
1414 			goto done;
1415 
1416 		if (fcgi_gen_response(c, "<div class='briefs_author'>") == -1)
1417 			goto done;
1418 		smallerthan = strchr(rc->author, '<');
1419 		if (smallerthan)
1420 			*smallerthan = '\0';
1421 		if (fcgi_gen_response(c, rc->author) == -1)
1422 			goto done;
1423 		if (fcgi_gen_response(c, "</div>\n") == -1)
1424 			goto done;
1425 
1426 		if (fcgi_gen_response(c, "<div class='briefs_log'>") == -1)
1427 			goto done;
1428 		newline = strchr(rc->commit_msg, '\n');
1429 		if (newline)
1430 			*newline = '\0';
1431 
1432 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1433 			goto done;
1434 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1435 			goto done;
1436 		if (fcgi_gen_response(c, "&path=") == -1)
1437 			goto done;
1438 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1439 			goto done;
1440 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1441 			goto done;
1442 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1443 			goto done;
1444 		if (fcgi_gen_response(c, "&headref=") == -1)
1445 			goto done;
1446 		if (fcgi_gen_response(c, qs->headref) == -1)
1447 			goto done;
1448 		if (fcgi_gen_response(c, "'>") == -1)
1449 			goto done;
1450 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1451 			goto done;
1452 		if (fcgi_gen_response(c, "</a>") == -1)
1453 			goto done;
1454 		if (rc->refs_str) {
1455 			if (fcgi_gen_response(c,
1456 			    " <span class='refs_str'>(") == -1)
1457 				goto done;
1458 			if (fcgi_gen_response(c, rc->refs_str) == -1)
1459 				goto done;
1460 			if (fcgi_gen_response(c, ")</span>") == -1)
1461 				goto done;
1462 		}
1463 		if (fcgi_gen_response(c, "</div>\n") == -1)
1464 			goto done;
1465 
1466 		if (fcgi_gen_response(c, "<div class='navs_wrapper'>\n") == -1)
1467 			goto done;
1468 		if (fcgi_gen_response(c, "<div class='navs'>") == -1)
1469 			goto done;
1470 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1471 			goto done;
1472 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1473 			goto done;
1474 		if (fcgi_gen_response(c, "&path=") == -1)
1475 			goto done;
1476 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1477 			goto done;
1478 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1479 			goto done;
1480 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1481 			goto done;
1482 		if (fcgi_gen_response(c, "&headref=") == -1)
1483 			goto done;
1484 		if (fcgi_gen_response(c, qs->headref) == -1)
1485 			goto done;
1486 		if (fcgi_gen_response(c, "'>") == -1)
1487 			goto done;
1488 		if (fcgi_gen_response(c, "diff") == -1)
1489 			goto done;
1490 		if (fcgi_gen_response(c, "</a>") == -1)
1491 			goto done;
1492 
1493 		if (fcgi_gen_response(c, " | ") == -1)
1494 			goto done;
1495 
1496 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1497 			goto done;
1498 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1499 			goto done;
1500 		if (fcgi_gen_response(c, "&path=") == -1)
1501 			goto done;
1502 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1503 			goto done;
1504 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1505 			goto done;
1506 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1507 			goto done;
1508 		if (fcgi_gen_response(c, "&headref=") == -1)
1509 			goto done;
1510 		if (fcgi_gen_response(c, qs->headref) == -1)
1511 			goto done;
1512 		if (fcgi_gen_response(c, "'>") == -1)
1513 			goto done;
1514 		if (fcgi_gen_response(c, "tree") == -1)
1515 			goto done;
1516 		if (fcgi_gen_response(c, "</a>") == -1)
1517 			goto done;
1518 		if (fcgi_gen_response(c, "</div>\n") == -1)
1519 			goto done;
1520 		if (fcgi_gen_response(c, "</div>\n") == -1)
1521 			goto done;
1522 		if (fcgi_gen_response(c,
1523 		    "<div class='dotted_line'></div>\n") == -1)
1524 			goto done;
1525 
1526 		free(age);
1527 		age = NULL;
1528 	}
1529 
1530 	if (t->next_id || t->prev_id) {
1531 		error = gotweb_render_navs(c);
1532 		if (error)
1533 			goto done;
1534 	}
1535 	fcgi_gen_response(c, "</div>\n");
1536 done:
1537 	free(age);
1538 	return error;
1539 }
1540 
1541 static const struct got_error *
1542 gotweb_render_commits(struct request *c)
1543 {
1544 	const struct got_error *error = NULL;
1545 	struct repo_commit *rc = NULL;
1546 	struct server *srv = c->srv;
1547 	struct transport *t = c->t;
1548 	struct querystring *qs = t->qs;
1549 	struct repo_dir *repo_dir = t->repo_dir;
1550 	char *age = NULL, *author = NULL;
1551 	/* int commit_found = 0; */
1552 
1553 	if (fcgi_gen_response(c, "<div class='commits_title_wrapper'>\n") == -1)
1554 		goto done;
1555 	if (fcgi_gen_response(c,
1556 	    "<div class='commits_title'>Commits</div>\n") == -1)
1557 		goto done;
1558 	if (fcgi_gen_response(c, "</div>\n") == -1)
1559 		goto done;
1560 
1561 	if (fcgi_gen_response(c, "<div class='commits_content'>\n") == -1)
1562 		goto done;
1563 
1564 	error = got_get_repo_commits(c, srv->max_commits_display);
1565 	if (error)
1566 		goto done;
1567 
1568 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1569 		error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1570 		if (error)
1571 			goto done;
1572 		error = gotweb_escape_html(&author, rc->author);
1573 		if (error)
1574 			goto done;
1575 
1576 		if (fcgi_gen_response(c,
1577 		    "<div class='commits_header_wrapper'>\n") == -1)
1578 			goto done;
1579 		if (fcgi_gen_response(c, "<div class='commits_header'>\n") == -1)
1580 			goto done;
1581 
1582 
1583 		if (fcgi_gen_response(c, "<div class='header_commit_title'>Commit:"
1584 		    "</div>\n") == -1)
1585 			goto done;
1586 		if (fcgi_gen_response(c, "<div class='header_commit'>") == -1)
1587 			goto done;
1588 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1589 			goto done;
1590 		if (fcgi_gen_response(c, "</div>\n") == -1)
1591 			goto done;
1592 
1593 		if (fcgi_gen_response(c, "<div class='header_author_title'>Author:"
1594 		    "</div>\n") == -1)
1595 			goto done;
1596 		if (fcgi_gen_response(c, "<div class='header_author'>") == -1)
1597 			goto done;
1598 		if (fcgi_gen_response(c, author ? author : "") == -1)
1599 			goto done;
1600 		if (fcgi_gen_response(c, "</div>\n") == -1)
1601 			goto done;
1602 
1603 		if (fcgi_gen_response(c, "<div class='header_age_title'>Date:"
1604 		    "</div>\n") == -1)
1605 			goto done;
1606 		if (fcgi_gen_response(c, "<div class='header_age'>") == -1)
1607 			goto done;
1608 		if (fcgi_gen_response(c, age ? age : "") == -1)
1609 			goto done;
1610 		if (fcgi_gen_response(c, "</div>\n") == -1)
1611 			goto done;
1612 
1613 		if (fcgi_gen_response(c, "</div>\n") == -1)
1614 			goto done;
1615 		if (fcgi_gen_response(c, "</div>\n") == -1)
1616 			goto done;
1617 
1618 		if (fcgi_gen_response(c,
1619 		    "<div class='dotted_line'></div>\n") == -1)
1620 			goto done;
1621 		if (fcgi_gen_response(c, "<div class='commit'>\n") == -1)
1622 			goto done;
1623 
1624 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1625 			goto done;
1626 
1627 		if (fcgi_gen_response(c, "</div>\n") == -1)
1628 			goto done;
1629 		if (fcgi_gen_response(c, "</div>\n") == -1)
1630 			goto done;
1631 
1632 		if (fcgi_gen_response(c, "<div class='navs_wrapper'>\n") == -1)
1633 			goto done;
1634 		if (fcgi_gen_response(c, "<div class='navs'>") == -1)
1635 			goto done;
1636 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1637 			goto done;
1638 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1639 			goto done;
1640 		if (fcgi_gen_response(c, "&path=") == -1)
1641 			goto done;
1642 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1643 			goto done;
1644 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1645 			goto done;
1646 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1647 			goto done;
1648 		if (fcgi_gen_response(c, "'>") == -1)
1649 			goto done;
1650 		if (fcgi_gen_response(c, "diff") == -1)
1651 			goto done;
1652 		if (fcgi_gen_response(c, "</a>") == -1)
1653 			goto done;
1654 
1655 		if (fcgi_gen_response(c, " | ") == -1)
1656 			goto done;
1657 
1658 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1659 			goto done;
1660 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1661 			goto done;
1662 		if (fcgi_gen_response(c, "&path=") == -1)
1663 			goto done;
1664 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1665 			goto done;
1666 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1667 			goto done;
1668 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1669 			goto done;
1670 		if (fcgi_gen_response(c, "'>") == -1)
1671 			goto done;
1672 		if (fcgi_gen_response(c, "tree") == -1)
1673 			goto done;
1674 		if (fcgi_gen_response(c, "</a>") == -1)
1675 			goto done;
1676 		if (fcgi_gen_response(c, "</div>\n") == -1)
1677 			goto done;
1678 		if (fcgi_gen_response(c, "</div>\n") == -1)
1679 			goto done;
1680 		if (fcgi_gen_response(c,
1681 		    "<div class='dotted_line'></div>\n") == -1)
1682 			goto done;
1683 		free(age);
1684 		age = NULL;
1685 		free(author);
1686 		author = NULL;
1687 	}
1688 
1689 	if (t->next_id || t->prev_id) {
1690 		error = gotweb_render_navs(c);
1691 		if (error)
1692 			goto done;
1693 	}
1694 	if (fcgi_gen_response(c, "</div>\n") == -1)
1695 		goto done;
1696 done:
1697 	free(age);
1698 	return error;
1699 }
1700 
1701 static const struct got_error *
1702 gotweb_render_branches(struct request *c)
1703 {
1704 	const struct got_error *error = NULL;
1705 	struct got_reflist_head refs;
1706 	struct got_reflist_entry *re;
1707 	struct transport *t = c->t;
1708 	struct querystring *qs = t->qs;
1709 	struct got_repository *repo = t->repo;
1710 	char *age = NULL;
1711 
1712 	TAILQ_INIT(&refs);
1713 
1714 	error = got_ref_list(&refs, repo, "refs/heads",
1715 	    got_ref_cmp_by_name, NULL);
1716 	if (error)
1717 		goto done;
1718 
1719 	if (fcgi_gen_response(c, "<div id='branches_title_wrapper'>\n") == -1)
1720 		goto done;
1721 	if (fcgi_gen_response(c,
1722 	    "<div id='branches_title'>Branches</div>\n") == -1)
1723 		goto done;
1724 	if (fcgi_gen_response(c, "</div>\n") == -1)
1725 		goto done;
1726 
1727 	if (fcgi_gen_response(c, "<div id='branches_content'>\n") == -1)
1728 		goto done;
1729 
1730 	TAILQ_FOREACH(re, &refs, entry) {
1731 		char *refname = NULL;
1732 
1733 		if (got_ref_is_symbolic(re->ref))
1734 			continue;
1735 
1736 		refname = strdup(got_ref_get_name(re->ref));
1737 		if (refname == NULL) {
1738 			error = got_error_from_errno("strdup");
1739 			goto done;
1740 		}
1741 		if (strncmp(refname, "refs/heads/", 11) != 0)
1742 			continue;
1743 
1744 		error = got_get_repo_age(&age, c, qs->path, refname,
1745 		    TM_DIFF);
1746 		if (error)
1747 			goto done;
1748 
1749 		if (strncmp(refname, "refs/heads/", 11) == 0)
1750 			refname += 11;
1751 
1752 		if (fcgi_gen_response(c, "<div class='branches_wrapper'>") == -1)
1753 			goto done;
1754 
1755 		if (fcgi_gen_response(c, "<div class='branches_age'>") == -1)
1756 			goto done;
1757 		if (fcgi_gen_response(c, age ? age : "") == -1)
1758 			goto done;
1759 		if (fcgi_gen_response(c, "</div>\n") == -1)
1760 			goto done;
1761 
1762 		if (fcgi_gen_response(c, "<div class='branches_space'>") == -1)
1763 			goto done;
1764 		if (fcgi_gen_response(c, "&nbsp;") == -1)
1765 			goto done;
1766 		if (fcgi_gen_response(c, "</div>\n") == -1)
1767 			goto done;
1768 
1769 		if (fcgi_gen_response(c, "<div class='branch'>") == -1)
1770 			goto done;
1771 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1772 			goto done;
1773 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1774 			goto done;
1775 		if (fcgi_gen_response(c, "&path=") == -1)
1776 			goto done;
1777 		if (fcgi_gen_response(c, qs->path) == -1)
1778 			goto done;
1779 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1780 			goto done;
1781 		if (fcgi_gen_response(c, refname) == -1)
1782 			goto done;
1783 		if (fcgi_gen_response(c, "'>") == -1)
1784 			goto done;
1785 		if (fcgi_gen_response(c, refname) == -1)
1786 			goto done;
1787 		if (fcgi_gen_response(c, "</a>") == -1)
1788 			goto done;
1789 		if (fcgi_gen_response(c, "</div>\n") == -1)
1790 			goto done;
1791 
1792 		if (fcgi_gen_response(c, "<div class='navs_wrapper'>\n") == -1)
1793 			goto done;
1794 		if (fcgi_gen_response(c, "<div class='navs'>") == -1)
1795 			goto done;
1796 
1797 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1798 			goto done;
1799 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1800 			goto done;
1801 		if (fcgi_gen_response(c, "&path=") == -1)
1802 			goto done;
1803 		if (fcgi_gen_response(c, qs->path) == -1)
1804 			goto done;
1805 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1806 			goto done;
1807 		if (fcgi_gen_response(c, refname) == -1)
1808 			goto done;
1809 		if (fcgi_gen_response(c, "'>") == -1)
1810 			goto done;
1811 		if (fcgi_gen_response(c, "summary") == -1)
1812 			goto done;
1813 		if (fcgi_gen_response(c, "</a>") == -1)
1814 			goto done;
1815 
1816 		if (fcgi_gen_response(c, " | ") == -1)
1817 			goto done;
1818 
1819 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1820 			goto done;
1821 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1822 			goto done;
1823 		if (fcgi_gen_response(c, "&path=") == -1)
1824 			goto done;
1825 		if (fcgi_gen_response(c, qs->path) == -1)
1826 			goto done;
1827 		if (fcgi_gen_response(c, "&action=briefs&headref=") == -1)
1828 			goto done;
1829 		if (fcgi_gen_response(c, refname) == -1)
1830 			goto done;
1831 		if (fcgi_gen_response(c, "'>") == -1)
1832 			goto done;
1833 		if (fcgi_gen_response(c, "commit briefs") == -1)
1834 			goto done;
1835 		if (fcgi_gen_response(c, "</a>") == -1)
1836 			goto done;
1837 
1838 		if (fcgi_gen_response(c, " | ") == -1)
1839 			goto done;
1840 
1841 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1842 			goto done;
1843 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1844 			goto done;
1845 		if (fcgi_gen_response(c, "&path=") == -1)
1846 			goto done;
1847 		if (fcgi_gen_response(c, qs->path) == -1)
1848 			goto done;
1849 		if (fcgi_gen_response(c, "&action=commits&headref=") == -1)
1850 			goto done;
1851 		if (fcgi_gen_response(c, refname) == -1)
1852 			goto done;
1853 		if (fcgi_gen_response(c, "'>") == -1)
1854 			goto done;
1855 		if (fcgi_gen_response(c, "commits") == -1)
1856 			goto done;
1857 		if (fcgi_gen_response(c, "</a>") == -1)
1858 			goto done;
1859 
1860 		if (fcgi_gen_response(c, "</div>\n") == -1)
1861 			goto done;
1862 		if (fcgi_gen_response(c, "</div>\n") == -1)
1863 			goto done;
1864 
1865 		if (fcgi_gen_response(c,
1866 		    "<div class='dotted_line'></div>\n") == -1)
1867 			goto done;
1868 
1869 		/* branches_wrapper */
1870 		if (fcgi_gen_response(c, "</div>\n") == -1)
1871 			goto done;
1872 
1873 		free(age);
1874 		age = NULL;
1875 
1876 	}
1877 	fcgi_gen_response(c, "</div>\n");
1878 done:
1879 	return error;
1880 }
1881 
1882 static const struct got_error *
1883 gotweb_render_tree(struct request *c)
1884 {
1885 	const struct got_error *error = NULL;
1886 	struct transport *t = c->t;
1887 	struct repo_commit *rc = NULL;
1888 	char *age = NULL;
1889 
1890 	error = got_get_repo_commits(c, 1);
1891 	if (error)
1892 		return error;
1893 
1894 	rc = TAILQ_FIRST(&t->repo_commits);
1895 
1896 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1897 	if (error)
1898 		goto done;
1899 
1900 	if (fcgi_gen_response(c, "<div id='tree_title_wrapper'>\n") == -1)
1901 		goto done;
1902 	if (fcgi_gen_response(c, "<div id='tree_title'>Tree</div>\n") == -1)
1903 		goto done;
1904 	if (fcgi_gen_response(c, "</div>\n") == -1)
1905 		goto done;
1906 
1907 	if (fcgi_gen_response(c, "<div id='tree_content'>\n") == -1)
1908 		goto done;
1909 
1910 	if (fcgi_gen_response(c, "<div id='tree_header_wrapper'>\n") == -1)
1911 		goto done;
1912 	if (fcgi_gen_response(c, "<div id='tree_header'>\n") == -1)
1913 		goto done;
1914 
1915 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
1916 	    "</div>\n") == -1)
1917 		goto done;
1918 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
1919 		goto done;
1920 	if (fcgi_gen_response(c, rc->tree_id) == -1)
1921 		goto done;
1922 	if (fcgi_gen_response(c, "</div>\n") == -1)
1923 		goto done;
1924 
1925 	if (fcgi_gen_response(c, "<div class='header_age_title'>Date:"
1926 	    "</div>\n") == -1)
1927 		goto done;
1928 	if (fcgi_gen_response(c, "<div class='header_age'>") == -1)
1929 		goto done;
1930 	if (fcgi_gen_response(c, age ? age : "") == -1)
1931 		goto done;
1932 	if (fcgi_gen_response(c, "</div>\n") == -1)
1933 		goto done;
1934 
1935 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1936 	    "</div>\n") == -1)
1937 		goto done;
1938 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1939 		goto done;
1940 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1941 		goto done;
1942 	if (fcgi_gen_response(c, "</div>\n") == -1)
1943 		goto done;
1944 
1945 	if (fcgi_gen_response(c, "</div>\n") == -1)
1946 		goto done;
1947 	if (fcgi_gen_response(c, "</div>\n") == -1)
1948 		goto done;
1949 
1950 	if (fcgi_gen_response(c, "<div class='dotted_line'></div>\n") == -1)
1951 		goto done;
1952 	if (fcgi_gen_response(c, "<div id='tree'>\n") == -1)
1953 		goto done;
1954 
1955 	error = got_output_repo_tree(c);
1956 	if (error)
1957 		goto done;
1958 
1959 	fcgi_gen_response(c, "</div>\n");
1960 	fcgi_gen_response(c, "</div>\n");
1961 done:
1962 	return error;
1963 }
1964 
1965 static const struct got_error *
1966 gotweb_render_diff(struct request *c)
1967 {
1968 	const struct got_error *error = NULL;
1969 	struct transport *t = c->t;
1970 	struct repo_commit *rc = NULL;
1971 	char *age = NULL, *author = NULL;
1972 
1973 	error = got_get_repo_commits(c, 1);
1974 	if (error)
1975 		return error;
1976 
1977 	rc = TAILQ_FIRST(&t->repo_commits);
1978 
1979 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1980 	if (error)
1981 		goto done;
1982 	error = gotweb_escape_html(&author, rc->author);
1983 	if (error)
1984 		goto done;
1985 
1986 	if (fcgi_gen_response(c, "<div id='diff_title_wrapper'>\n") == -1)
1987 		goto done;
1988 	if (fcgi_gen_response(c,
1989 	    "<div id='diff_title'>Commit Diff</div>\n") == -1)
1990 		goto done;
1991 	if (fcgi_gen_response(c, "</div>\n") == -1)
1992 		goto done;
1993 
1994 	if (fcgi_gen_response(c, "<div id='diff_content'>\n") == -1)
1995 		goto done;
1996 	if (fcgi_gen_response(c, "<div id='diff_header_wrapper'>\n") == -1)
1997 		goto done;
1998 	if (fcgi_gen_response(c, "<div id='diff_header'>\n") == -1)
1999 		goto done;
2000 
2001 	if (fcgi_gen_response(c, "<div id='header_diff_title'>Diff:"
2002 	    "</div>\n") == -1)
2003 		goto done;
2004 	if (fcgi_gen_response(c, "<div id='header_diff'>") == -1)
2005 		goto done;
2006 	if (fcgi_gen_response(c, rc->parent_id) == -1)
2007 		goto done;
2008 	if (fcgi_gen_response(c, "<br />") == -1)
2009 		goto done;
2010 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2011 		goto done;
2012 	if (fcgi_gen_response(c, "</div>\n") == -1)
2013 		goto done;
2014 
2015 	if (fcgi_gen_response(c, "<div class='header_commit_title'>Commit:"
2016 	    "</div>\n") == -1)
2017 		goto done;
2018 	if (fcgi_gen_response(c, "<div class='header_commit'>") == -1)
2019 		goto done;
2020 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2021 		goto done;
2022 	if (fcgi_gen_response(c, "</div>\n") == -1)
2023 		goto done;
2024 
2025 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
2026 	    "</div>\n") == -1)
2027 		goto done;
2028 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
2029 		goto done;
2030 	if (fcgi_gen_response(c, rc->tree_id) == -1)
2031 		goto done;
2032 	if (fcgi_gen_response(c, "</div>\n") == -1)
2033 		goto done;
2034 
2035 	if (fcgi_gen_response(c, "<div class='header_author_title'>Author:"
2036 	    "</div>\n") == -1)
2037 		goto done;
2038 	if (fcgi_gen_response(c, "<div class='header_author'>") == -1)
2039 		goto done;
2040 	if (fcgi_gen_response(c, author ? author : "") == -1)
2041 		goto done;
2042 	if (fcgi_gen_response(c, "</div>\n") == -1)
2043 		goto done;
2044 
2045 	if (fcgi_gen_response(c, "<div class='header_age_title'>Date:"
2046 	    "</div>\n") == -1)
2047 		goto done;
2048 	if (fcgi_gen_response(c, "<div class='header_age'>") == -1)
2049 		goto done;
2050 	if (fcgi_gen_response(c, age ? age : "") == -1)
2051 		goto done;
2052 	if (fcgi_gen_response(c, "</div>\n") == -1)
2053 		goto done;
2054 
2055 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2056 	    "</div>\n") == -1)
2057 		goto done;
2058 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2059 		goto done;
2060 	if (fcgi_gen_response(c, rc->commit_msg) == -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 	if (fcgi_gen_response(c, "</div>\n") == -1)
2067 		goto done;
2068 
2069 	if (fcgi_gen_response(c, "<div class='dotted_line'></div>\n") == -1)
2070 		goto done;
2071 	if (fcgi_gen_response(c, "<div id='diff'>\n") == -1)
2072 		goto done;
2073 
2074 	error = got_output_repo_diff(c);
2075 	if (error)
2076 		goto done;
2077 
2078 	fcgi_gen_response(c, "</div>\n");
2079 done:
2080 	fcgi_gen_response(c, "</div>\n");
2081 	free(age);
2082 	free(author);
2083 	return error;
2084 }
2085 
2086 static const struct got_error *
2087 gotweb_render_summary(struct request *c)
2088 {
2089 	const struct got_error *error = NULL;
2090 	struct transport *t = c->t;
2091 	struct server *srv = c->srv;
2092 
2093 	if (fcgi_gen_response(c, "<div id='summary_wrapper'>\n") == -1)
2094 		goto done;
2095 
2096 	if (!srv->show_repo_description)
2097 		goto owner;
2098 
2099 	if (fcgi_gen_response(c, "<div id='description_title'>"
2100 	    "Description:</div>\n") == -1)
2101 		goto done;
2102 	if (fcgi_gen_response(c, "<div id='description'>") == -1)
2103 		goto done;
2104 	if (fcgi_gen_response(c, t->repo_dir->description) == -1)
2105 		goto done;
2106 	if (fcgi_gen_response(c, "</div>\n") == -1)
2107 		goto done;
2108 owner:
2109 	if (!srv->show_repo_owner)
2110 		goto last_change;
2111 
2112 	if (fcgi_gen_response(c, "<div id='repo_owner_title'>"
2113 	    "Owner:</div>\n") == -1)
2114 		goto done;
2115 	if (fcgi_gen_response(c, "<div id='repo_owner'>") == -1)
2116 		goto done;
2117 	if (fcgi_gen_response(c, t->repo_dir->owner) == -1)
2118 		goto done;
2119 	if (fcgi_gen_response(c, "</div>\n") == -1)
2120 		goto done;
2121 last_change:
2122 	if (!srv->show_repo_age)
2123 		goto clone_url;
2124 
2125 	if (fcgi_gen_response(c, "<div id='last_change_title'>"
2126 	    "Last Change:</div>\n") == -1)
2127 		goto done;
2128 	if (fcgi_gen_response(c, "<div id='last_change'>") == -1)
2129 		goto done;
2130 	if (fcgi_gen_response(c, t->repo_dir->age) == -1)
2131 		goto done;
2132 	if (fcgi_gen_response(c, "</div>\n") == -1)
2133 		goto done;
2134 clone_url:
2135 	if (!srv->show_repo_cloneurl)
2136 		goto content;
2137 
2138 	if (fcgi_gen_response(c, "<div id='cloneurl_title'>"
2139 	    "Clone URL:</div>\n") == -1)
2140 		goto done;
2141 	if (fcgi_gen_response(c, "<div id='cloneurl'>") == -1)
2142 		goto done;
2143 	if (fcgi_gen_response(c, t->repo_dir->url) == -1)
2144 		goto done;
2145 	if (fcgi_gen_response(c, "</div>\n") == -1)
2146 		goto done;
2147 content:
2148 	if (fcgi_gen_response(c, "</div>\n") == -1)
2149 		goto done;
2150 	if (fcgi_gen_response(c, "</div>\n") == -1)
2151 		goto done;
2152 
2153 	error = gotweb_render_briefs(c);
2154 	if (error) {
2155 		log_warnx("%s: %s", __func__, error->msg);
2156 		goto done;
2157 	}
2158 
2159 	error = gotweb_render_tags(c);
2160 	if (error) {
2161 		log_warnx("%s: %s", __func__, error->msg);
2162 		goto done;
2163 	}
2164 
2165 	error = gotweb_render_branches(c);
2166 	if (error)
2167 		log_warnx("%s: %s", __func__, error->msg);
2168 done:
2169 	return error;
2170 }
2171 
2172 static const struct got_error *
2173 gotweb_render_tag(struct request *c)
2174 {
2175 	const struct got_error *error = NULL;
2176 	struct repo_tag *rt = NULL;
2177 	struct transport *t = c->t;
2178 	char *age = NULL, *author = NULL;
2179 
2180 	error = got_get_repo_tags(c, 1);
2181 	if (error)
2182 		goto done;
2183 
2184 	if (t->tag_count == 0) {
2185 		error = got_error_set_errno(GOT_ERR_BAD_OBJ_ID,
2186 		    "bad commit id");
2187 		goto done;
2188 	}
2189 
2190 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
2191 
2192 	error = gotweb_get_time_str(&age, rt->tagger_time, TM_LONG);
2193 	if (error)
2194 		goto done;
2195 	error = gotweb_escape_html(&author, rt->tagger);
2196 	if (error)
2197 		goto done;
2198 
2199 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2200 		goto done;
2201 	if (fcgi_gen_response(c, "<div id='tags_title'>Tag</div>\n") == -1)
2202 		goto done;
2203 	if (fcgi_gen_response(c, "</div>\n") == -1)
2204 		goto done;
2205 
2206 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2207 		goto done;
2208 	if (fcgi_gen_response(c, "<div id='tag_header_wrapper'>\n") == -1)
2209 		goto done;
2210 	if (fcgi_gen_response(c, "<div id='tag_header'>\n") == -1)
2211 		goto done;
2212 
2213 	if (fcgi_gen_response(c, "<div class='header_commit_title'>Commit:"
2214 	    "</div>\n") == -1)
2215 		goto done;
2216 	if (fcgi_gen_response(c, "<div class='header_commit'>") == -1)
2217 		goto done;
2218 	if (fcgi_gen_response(c, rt->commit_id) == -1)
2219 		goto done;
2220 
2221 	if (strncmp(rt->tag_name, "refs/", 5) == 0)
2222 		rt->tag_name += 5;
2223 
2224 	if (fcgi_gen_response(c, " <span class='refs_str'>(") == -1)
2225 		goto done;
2226 	if (fcgi_gen_response(c, rt->tag_name) == -1)
2227 		goto done;
2228 	if (fcgi_gen_response(c, ")</span>") == -1)
2229 		goto done;
2230 
2231 	if (fcgi_gen_response(c, "</div>\n") == -1)
2232 		goto done;
2233 
2234 	if (fcgi_gen_response(c, "<div class='header_author_title'>Tagger:"
2235 	    "</div>\n") == -1)
2236 		goto done;
2237 	if (fcgi_gen_response(c, "<div class='header_author'>") == -1)
2238 		goto done;
2239 	if (fcgi_gen_response(c, author ? author : "") == -1)
2240 		goto done;
2241 	if (fcgi_gen_response(c, "</div>\n") == -1)
2242 		goto done;
2243 
2244 	if (fcgi_gen_response(c, "<div class='header_age_title'>Date:"
2245 	    "</div>\n") == -1)
2246 		goto done;
2247 	if (fcgi_gen_response(c, "<div class='header_age'>") == -1)
2248 		goto done;
2249 	if (fcgi_gen_response(c, age ? age : "") == -1)
2250 		goto done;
2251 	if (fcgi_gen_response(c, "</div>\n") == -1)
2252 		goto done;
2253 
2254 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2255 	    "</div>\n") == -1)
2256 		goto done;
2257 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2258 		goto done;
2259 	if (fcgi_gen_response(c, rt->commit_msg) == -1)
2260 		goto done;
2261 	if (fcgi_gen_response(c, "</div>\n") == -1)
2262 		goto done;
2263 	if (fcgi_gen_response(c, "</div>\n") == -1)
2264 		goto done;
2265 
2266 	if (fcgi_gen_response(c, "<div class='dotted_line'></div>\n") == -1)
2267 		goto done;
2268 	if (fcgi_gen_response(c, "<div id='tag_commit'>\n") == -1)
2269 		goto done;
2270 
2271 	if (fcgi_gen_response(c, rt->tag_commit) == -1)
2272 		goto done;
2273 
2274 	if (fcgi_gen_response(c, "</div>\n") == -1)
2275 		goto done;
2276 	fcgi_gen_response(c, "</div>\n");
2277 done:
2278 	free(age);
2279 	free(author);
2280 	return error;
2281 }
2282 
2283 static const struct got_error *
2284 gotweb_render_tags(struct request *c)
2285 {
2286 	const struct got_error *error = NULL;
2287 	struct repo_tag *rt = NULL;
2288 	struct server *srv = c->srv;
2289 	struct transport *t = c->t;
2290 	struct querystring *qs = t->qs;
2291 	struct repo_dir *repo_dir = t->repo_dir;
2292 	char *newline;
2293 	char *age = NULL;
2294 	int commit_found = 0;
2295 
2296 	if (qs->action == BRIEFS) {
2297 		qs->action = TAGS;
2298 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
2299 	} else
2300 		error = got_get_repo_tags(c, srv->max_commits_display);
2301 	if (error)
2302 		goto done;
2303 
2304 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2305 		goto done;
2306 	if (fcgi_gen_response(c,
2307 	    "<div id='tags_title'>Tags</div>\n") == -1)
2308 		goto done;
2309 	if (fcgi_gen_response(c, "</div>\n") == -1)
2310 		goto done;
2311 
2312 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2313 		goto done;
2314 
2315 	if (t->tag_count == 0) {
2316 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
2317 			goto done;
2318 		if (fcgi_gen_response(c,
2319 		    "This repository contains no tags\n") == -1)
2320 			goto done;
2321 		if (fcgi_gen_response(c, "</div>\n") == -1)
2322 			goto done;
2323 		if (fcgi_gen_response(c, "</div>\n") == -1)
2324 			goto done;
2325 	}
2326 
2327 	TAILQ_FOREACH(rt, &t->repo_tags, entry) {
2328 		if (commit_found == 0 && qs->commit != NULL) {
2329 			if (strcmp(qs->commit, rt->commit_id) != 0)
2330 				continue;
2331 			else
2332 				commit_found = 1;
2333 		}
2334 		error = gotweb_get_time_str(&age, rt->tagger_time, TM_DIFF);
2335 		if (error)
2336 			goto done;
2337 		if (fcgi_gen_response(c, "<div class='tag_age'>") == -1)
2338 			goto done;
2339 		if (fcgi_gen_response(c, age ? age : "") == -1)
2340 			goto done;
2341 		if (fcgi_gen_response(c, "</div>\n") == -1)
2342 			goto done;
2343 
2344 		if (fcgi_gen_response(c, "<div class='tag'>") == -1)
2345 			goto done;
2346 		if (strncmp(rt->tag_name, "refs/tags/", 10) == 0)
2347 			rt->tag_name += 10;
2348 		if (fcgi_gen_response(c, rt->tag_name) == -1)
2349 			goto done;
2350 		if (fcgi_gen_response(c, "</div>\n") == -1)
2351 			goto done;
2352 
2353 		if (fcgi_gen_response(c, "<div class='tag_log'>") == -1)
2354 			goto done;
2355 		if (rt->tag_commit != NULL) {
2356 			newline = strchr(rt->tag_commit, '\n');
2357 			if (newline)
2358 				*newline = '\0';
2359 		}
2360 
2361 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2362 			goto done;
2363 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2364 			goto done;
2365 		if (fcgi_gen_response(c, "&path=") == -1)
2366 			goto done;
2367 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2368 			goto done;
2369 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2370 			goto done;
2371 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2372 			goto done;
2373 		if (fcgi_gen_response(c, "'>") == -1)
2374 			goto done;
2375 		if (rt->tag_commit != NULL &&
2376 		    fcgi_gen_response(c, rt->tag_commit) == -1)
2377 			goto done;
2378 		if (fcgi_gen_response(c, "</a>") == -1)
2379 			goto done;
2380 		if (fcgi_gen_response(c, "</div>\n") == -1)
2381 			goto done;
2382 
2383 		if (fcgi_gen_response(c, "<div class='navs_wrapper'>\n") == -1)
2384 			goto done;
2385 		if (fcgi_gen_response(c, "<div class='navs'>") == -1)
2386 			goto done;
2387 
2388 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2389 			goto done;
2390 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2391 			goto done;
2392 		if (fcgi_gen_response(c, "&path=") == -1)
2393 			goto done;
2394 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2395 			goto done;
2396 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2397 			goto done;
2398 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2399 			goto done;
2400 		if (fcgi_gen_response(c, "'>") == -1)
2401 			goto done;
2402 		if (fcgi_gen_response(c, "tag") == -1)
2403 			goto done;
2404 		if (fcgi_gen_response(c, "</a>") == -1)
2405 			goto done;
2406 
2407 		if (fcgi_gen_response(c, " | ") == -1)
2408 			goto done;
2409 
2410 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2411 			goto done;
2412 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2413 			goto done;
2414 		if (fcgi_gen_response(c, "&path=") == -1)
2415 			goto done;
2416 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2417 			goto done;
2418 		if (fcgi_gen_response(c, "&action=briefs&commit=") == -1)
2419 			goto done;
2420 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2421 			goto done;
2422 		if (fcgi_gen_response(c, "'>") == -1)
2423 			goto done;
2424 		if (fcgi_gen_response(c, "commit briefs") == -1)
2425 			goto done;
2426 		if (fcgi_gen_response(c, "</a>") == -1)
2427 			goto done;
2428 
2429 		if (fcgi_gen_response(c, " | ") == -1)
2430 			goto done;
2431 
2432 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2433 			goto done;
2434 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2435 			goto done;
2436 		if (fcgi_gen_response(c, "&path=") == -1)
2437 			goto done;
2438 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2439 			goto done;
2440 		if (fcgi_gen_response(c, "&action=commits&commit=") == -1)
2441 			goto done;
2442 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2443 			goto done;
2444 		if (fcgi_gen_response(c, "'>") == -1)
2445 			goto done;
2446 		if (fcgi_gen_response(c, "commits") == -1)
2447 			goto done;
2448 		if (fcgi_gen_response(c, "</a>") == -1)
2449 			goto done;
2450 
2451 		if (fcgi_gen_response(c, "</div>\n") == -1)
2452 			goto done;
2453 		if (fcgi_gen_response(c, "</div>\n") == -1)
2454 			goto done;
2455 		if (fcgi_gen_response(c,
2456 		    "<div class='dotted_line'></div>\n") == -1)
2457 			goto done;
2458 
2459 		free(age);
2460 		age = NULL;
2461 	}
2462 	if (t->next_id || t->prev_id) {
2463 		error = gotweb_render_navs(c);
2464 		if (error)
2465 			goto done;
2466 	}
2467 	fcgi_gen_response(c, "</div>\n");
2468 done:
2469 	free(age);
2470 	return error;
2471 }
2472 
2473 const struct got_error *
2474 gotweb_escape_html(char **escaped_html, const char *orig_html)
2475 {
2476 	const struct got_error *error = NULL;
2477 	struct escape_pair {
2478 		char c;
2479 		const char *s;
2480 	} esc[] = {
2481 		{ '>', "&gt;" },
2482 		{ '<', "&lt;" },
2483 		{ '&', "&amp;" },
2484 		{ '"', "&quot;" },
2485 		{ '\'', "&apos;" },
2486 		{ '\n', "<br />" },
2487 	};
2488 	size_t orig_len, len;
2489 	int i, j, x;
2490 
2491 	orig_len = strlen(orig_html);
2492 	len = orig_len;
2493 	for (i = 0; i < orig_len; i++) {
2494 		for (j = 0; j < nitems(esc); j++) {
2495 			if (orig_html[i] != esc[j].c)
2496 				continue;
2497 			len += strlen(esc[j].s) - 1 /* escaped char */;
2498 		}
2499 	}
2500 
2501 	*escaped_html = calloc(len + 1 /* NUL */, sizeof(**escaped_html));
2502 	if (*escaped_html == NULL)
2503 		return got_error_from_errno("calloc");
2504 
2505 	x = 0;
2506 	for (i = 0; i < orig_len; i++) {
2507 		int escaped = 0;
2508 		for (j = 0; j < nitems(esc); j++) {
2509 			if (orig_html[i] != esc[j].c)
2510 				continue;
2511 
2512 			if (strlcat(*escaped_html, esc[j].s, len + 1)
2513 			    >= len + 1) {
2514 				error = got_error(GOT_ERR_NO_SPACE);
2515 				goto done;
2516 			}
2517 			x += strlen(esc[j].s);
2518 			escaped = 1;
2519 			break;
2520 		}
2521 		if (!escaped) {
2522 			(*escaped_html)[x] = orig_html[i];
2523 			x++;
2524 		}
2525 	}
2526 done:
2527 	if (error) {
2528 		free(*escaped_html);
2529 		*escaped_html = NULL;
2530 	} else {
2531 		(*escaped_html)[x] = '\0';
2532 	}
2533 
2534 	return error;
2535 }
2536 
2537 static const struct got_error *
2538 gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
2539 {
2540 	const struct got_error *error = NULL;
2541 	struct socket *sock = c->sock;
2542 	struct server *srv = c->srv;
2543 	struct transport *t = c->t;
2544 	DIR *dt;
2545 	char *dir_test;
2546 	int opened = 0;
2547 
2548 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2549 	    GOTWEB_GIT_DIR) == -1)
2550 		return got_error_from_errno("asprintf");
2551 
2552 	dt = opendir(dir_test);
2553 	if (dt == NULL) {
2554 		free(dir_test);
2555 	} else {
2556 		repo_dir->path = strdup(dir_test);
2557 		if (repo_dir->path == NULL) {
2558 			opened = 1;
2559 			error = got_error_from_errno("strdup");
2560 			goto err;
2561 		}
2562 		opened = 1;
2563 		goto done;
2564 	}
2565 
2566 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2567 	    GOTWEB_GOT_DIR) == -1) {
2568 		dir_test = NULL;
2569 		error = got_error_from_errno("asprintf");
2570 		goto err;
2571 	}
2572 
2573 	dt = opendir(dir_test);
2574 	if (dt == NULL)
2575 		free(dir_test);
2576 	else {
2577 		opened = 1;
2578 		error = got_error(GOT_ERR_NOT_GIT_REPO);
2579 		goto err;
2580 	}
2581 
2582 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
2583 	    repo_dir->name) == -1) {
2584 		error = got_error_from_errno("asprintf");
2585 		dir_test = NULL;
2586 		goto err;
2587 	}
2588 
2589 	repo_dir->path = strdup(dir_test);
2590 	if (repo_dir->path == NULL) {
2591 		opened = 1;
2592 		error = got_error_from_errno("strdup");
2593 		goto err;
2594 	}
2595 
2596 	dt = opendir(dir_test);
2597 	if (dt == NULL) {
2598 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
2599 		goto err;
2600 	} else
2601 		opened = 1;
2602 done:
2603 	error = got_repo_open(&t->repo, repo_dir->path, NULL, sock->pack_fds);
2604 	if (error)
2605 		goto err;
2606 	error = gotweb_get_repo_description(&repo_dir->description, srv,
2607 	    repo_dir->path);
2608 	if (error)
2609 		goto err;
2610 	error = got_get_repo_owner(&repo_dir->owner, c, repo_dir->path);
2611 	if (error)
2612 		goto err;
2613 	error = got_get_repo_age(&repo_dir->age, c, repo_dir->path,
2614 	    NULL, TM_DIFF);
2615 	if (error)
2616 		goto err;
2617 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path);
2618 err:
2619 	free(dir_test);
2620 	if (opened)
2621 		if (dt != NULL && closedir(dt) == EOF && error == NULL)
2622 			error = got_error_from_errno("closedir");
2623 	return error;
2624 }
2625 
2626 static const struct got_error *
2627 gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
2628 {
2629 	const struct got_error *error;
2630 
2631 	*repo_dir = calloc(1, sizeof(**repo_dir));
2632 	if (*repo_dir == NULL)
2633 		return got_error_from_errno("calloc");
2634 
2635 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
2636 		error = got_error_from_errno("asprintf");
2637 		free(*repo_dir);
2638 		*repo_dir = NULL;
2639 		return error;
2640 	}
2641 	(*repo_dir)->owner = NULL;
2642 	(*repo_dir)->description = NULL;
2643 	(*repo_dir)->url = NULL;
2644 	(*repo_dir)->age = NULL;
2645 	(*repo_dir)->path = NULL;
2646 
2647 	return NULL;
2648 }
2649 
2650 static const struct got_error *
2651 gotweb_get_repo_description(char **description, struct server *srv, char *dir)
2652 {
2653 	const struct got_error *error = NULL;
2654 	FILE *f = NULL;
2655 	char *d_file = NULL;
2656 	unsigned int len;
2657 	size_t n;
2658 
2659 	*description = NULL;
2660 	if (srv->show_repo_description == 0)
2661 		return NULL;
2662 
2663 	if (asprintf(&d_file, "%s/description", dir) == -1)
2664 		return got_error_from_errno("asprintf");
2665 
2666 	f = fopen(d_file, "r");
2667 	if (f == NULL) {
2668 		if (errno == ENOENT || errno == EACCES)
2669 			return NULL;
2670 		error = got_error_from_errno2("fopen", d_file);
2671 		goto done;
2672 	}
2673 
2674 	if (fseek(f, 0, SEEK_END) == -1) {
2675 		error = got_ferror(f, GOT_ERR_IO);
2676 		goto done;
2677 	}
2678 	len = ftell(f);
2679 	if (len == -1) {
2680 		error = got_ferror(f, GOT_ERR_IO);
2681 		goto done;
2682 	}
2683 
2684 	if (len == 0)
2685 		goto done;
2686 
2687 	if (fseek(f, 0, SEEK_SET) == -1) {
2688 		error = got_ferror(f, GOT_ERR_IO);
2689 		goto done;
2690 	}
2691 	*description = calloc(len + 1, sizeof(**description));
2692 	if (*description == NULL) {
2693 		error = got_error_from_errno("calloc");
2694 		goto done;
2695 	}
2696 
2697 	n = fread(*description, 1, len, f);
2698 	if (n == 0 && ferror(f))
2699 		error = got_ferror(f, GOT_ERR_IO);
2700 done:
2701 	if (f != NULL && fclose(f) == EOF && error == NULL)
2702 		error = got_error_from_errno("fclose");
2703 	free(d_file);
2704 	return error;
2705 }
2706 
2707 static const struct got_error *
2708 gotweb_get_clone_url(char **url, struct server *srv, char *dir)
2709 {
2710 	const struct got_error *error = NULL;
2711 	FILE *f;
2712 	char *d_file = NULL;
2713 	unsigned int len;
2714 	size_t n;
2715 
2716 	*url = NULL;
2717 
2718 	if (srv->show_repo_cloneurl == 0)
2719 		return NULL;
2720 
2721 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2722 		return got_error_from_errno("asprintf");
2723 
2724 	f = fopen(d_file, "r");
2725 	if (f == NULL) {
2726 		if (errno != ENOENT && errno != EACCES)
2727 			error = got_error_from_errno2("fopen", d_file);
2728 		goto done;
2729 	}
2730 
2731 	if (fseek(f, 0, SEEK_END) == -1) {
2732 		error = got_ferror(f, GOT_ERR_IO);
2733 		goto done;
2734 	}
2735 	len = ftell(f);
2736 	if (len == -1) {
2737 		error = got_ferror(f, GOT_ERR_IO);
2738 		goto done;
2739 	}
2740 	if (len == 0)
2741 		goto done;
2742 
2743 	if (fseek(f, 0, SEEK_SET) == -1) {
2744 		error = got_ferror(f, GOT_ERR_IO);
2745 		goto done;
2746 	}
2747 
2748 	*url = calloc(len + 1, sizeof(**url));
2749 	if (*url == NULL) {
2750 		error = got_error_from_errno("calloc");
2751 		goto done;
2752 	}
2753 
2754 	n = fread(*url, 1, len, f);
2755 	if (n == 0 && ferror(f))
2756 		error = got_ferror(f, GOT_ERR_IO);
2757 done:
2758 	if (f != NULL && fclose(f) == EOF && error == NULL)
2759 		error = got_error_from_errno("fclose");
2760 	free(d_file);
2761 	return error;
2762 }
2763 
2764 const struct got_error *
2765 gotweb_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2766 {
2767 	struct tm tm;
2768 	long long diff_time;
2769 	const char *years = "years ago", *months = "months ago";
2770 	const char *weeks = "weeks ago", *days = "days ago";
2771 	const char *hours = "hours ago",  *minutes = "minutes ago";
2772 	const char *seconds = "seconds ago", *now = "right now";
2773 	char *s;
2774 	char datebuf[29];
2775 
2776 	*repo_age = NULL;
2777 
2778 	switch (ref_tm) {
2779 	case TM_DIFF:
2780 		diff_time = time(NULL) - committer_time;
2781 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2782 			if (asprintf(repo_age, "%lld %s",
2783 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2784 				return got_error_from_errno("asprintf");
2785 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2786 			if (asprintf(repo_age, "%lld %s",
2787 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2788 			    months) == -1)
2789 				return got_error_from_errno("asprintf");
2790 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2791 			if (asprintf(repo_age, "%lld %s",
2792 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2793 				return got_error_from_errno("asprintf");
2794 		} else if (diff_time > 60 * 60 * 24 * 2) {
2795 			if (asprintf(repo_age, "%lld %s",
2796 			    (diff_time / 60 / 60 / 24), days) == -1)
2797 				return got_error_from_errno("asprintf");
2798 		} else if (diff_time > 60 * 60 * 2) {
2799 			if (asprintf(repo_age, "%lld %s",
2800 			    (diff_time / 60 / 60), hours) == -1)
2801 				return got_error_from_errno("asprintf");
2802 		} else if (diff_time > 60 * 2) {
2803 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2804 			    minutes) == -1)
2805 				return got_error_from_errno("asprintf");
2806 		} else if (diff_time > 2) {
2807 			if (asprintf(repo_age, "%lld %s", diff_time,
2808 			    seconds) == -1)
2809 				return got_error_from_errno("asprintf");
2810 		} else {
2811 			if (asprintf(repo_age, "%s", now) == -1)
2812 				return got_error_from_errno("asprintf");
2813 		}
2814 		break;
2815 	case TM_LONG:
2816 		if (gmtime_r(&committer_time, &tm) == NULL)
2817 			return got_error_from_errno("gmtime_r");
2818 
2819 		s = asctime_r(&tm, datebuf);
2820 		if (s == NULL)
2821 			return got_error_from_errno("asctime_r");
2822 
2823 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2824 			return got_error_from_errno("asprintf");
2825 		break;
2826 	}
2827 	return NULL;
2828 }