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/stat.h>
23 #include <sys/types.h>
24 
25 #include <dirent.h>
26 #include <errno.h>
27 #include <event.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <unistd.h>
32 
33 #include "got_error.h"
34 #include "got_object.h"
35 #include "got_reference.h"
36 #include "got_repository.h"
37 #include "got_path.h"
38 #include "got_cancel.h"
39 #include "got_worktree.h"
40 #include "got_diff.h"
41 #include "got_commit_graph.h"
42 #include "got_blame.h"
43 #include "got_privsep.h"
44 
45 #include "proc.h"
46 #include "gotwebd.h"
47 
48 #include "got_compat.h"
49 
50 enum gotweb_ref_tm {
51 	TM_DIFF,
52 	TM_LONG,
53 };
54 
55 static const struct querystring_keys querystring_keys[] = {
56 	{ "action",		ACTION },
57 	{ "commit",		COMMIT },
58 	{ "file",		RFILE },
59 	{ "folder",		FOLDER },
60 	{ "headref",		HEADREF },
61 	{ "index_page",		INDEX_PAGE },
62 	{ "path",		PATH },
63 	{ "page",		PAGE },
64 };
65 
66 static const struct action_keys action_keys[] = {
67 	{ "blame",	BLAME },
68 	{ "blob",	BLOB },
69 	{ "briefs",	BRIEFS },
70 	{ "commits",	COMMITS },
71 	{ "diff",	DIFF },
72 	{ "error",	ERR },
73 	{ "index",	INDEX },
74 	{ "summary",	SUMMARY },
75 	{ "tag",	TAG },
76 	{ "tags",	TAGS },
77 	{ "tree",	TREE },
78 };
79 
80 static const struct got_error *gotweb_init_querystring(struct querystring **);
81 static const struct got_error *gotweb_parse_querystring(struct querystring **,
82     char *);
83 static const struct got_error *gotweb_assign_querystring(struct querystring **,
84     char *, char *);
85 static const struct got_error *gotweb_render_header(struct request *);
86 static const struct got_error *gotweb_render_footer(struct request *);
87 static const struct got_error *gotweb_render_index(struct request *);
88 static const struct got_error *gotweb_init_repo_dir(struct repo_dir **,
89     const char *);
90 static const struct got_error *gotweb_load_got_path(struct request *c,
91     struct repo_dir *);
92 static const struct got_error *gotweb_get_repo_description(char **,
93     struct server *, char *);
94 static const struct got_error *gotweb_get_clone_url(char **, struct server *,
95     char *);
96 static const struct got_error *gotweb_render_navs(struct request *);
97 static const struct got_error *gotweb_render_blame(struct request *);
98 static const struct got_error *gotweb_render_briefs(struct request *);
99 static const struct got_error *gotweb_render_commits(struct request *);
100 static const struct got_error *gotweb_render_diff(struct request *);
101 static const struct got_error *gotweb_render_summary(struct request *);
102 static const struct got_error *gotweb_render_tag(struct request *);
103 static const struct got_error *gotweb_render_tags(struct request *);
104 static const struct got_error *gotweb_render_tree(struct request *);
105 static const struct got_error *gotweb_render_branches(struct request *);
106 
107 static void gotweb_free_querystring(struct querystring *);
108 static void gotweb_free_repo_dir(struct repo_dir *);
109 
110 struct server *gotweb_get_server(uint8_t *, uint8_t *, uint8_t *);
111 
112 void
113 gotweb_process_request(struct request *c)
114 {
115 	const struct got_error *error = NULL, *error2 = NULL;
116 	struct server *srv = NULL;
117 	struct querystring *qs = NULL;
118 	struct repo_dir *repo_dir = NULL;
119 	uint8_t err[] = "gotwebd experienced an error: ";
120 	int html = 0;
121 
122 	/* init the transport */
123 	error = gotweb_init_transport(&c->t);
124 	if (error) {
125 		log_warnx("%s: %s", __func__, error->msg);
126 		goto err;
127 	}
128 	/* don't process any further if client disconnected */
129 	if (c->sock->client_status == CLIENT_DISCONNECT)
130 		return;
131 	/* get the gotwebd server */
132 	srv = gotweb_get_server(c->server_name, c->document_root, c->http_host);
133 	if (srv == NULL) {
134 		log_warnx("%s: error server is NULL", __func__);
135 		goto err;
136 	}
137 	c->srv = srv;
138 	/* parse our querystring */
139 	error = gotweb_init_querystring(&qs);
140 	if (error) {
141 		log_warnx("%s: %s", __func__, error->msg);
142 		goto err;
143 	}
144 	c->t->qs = qs;
145 	error = gotweb_parse_querystring(&qs, c->querystring);
146 	if (error) {
147 		gotweb_free_querystring(qs);
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 = gotweb_render_content_type(c, "text/plain");
180 		if (error) {
181 			log_warnx("%s: %s", __func__, error->msg);
182 			goto err;
183 		}
184 		error = got_output_file_blob(c);
185 		if (error) {
186 			log_warnx("%s: %s", __func__, error->msg);
187 			goto err;
188 		}
189 		goto done;
190 	} else {
191 render:
192 		error = gotweb_render_content_type(c, "text/html");
193 		if (error) {
194 			log_warnx("%s: %s", __func__, error->msg);
195 			goto err;
196 		}
197 		html = 1;
198 	}
199 
200 	error = gotweb_render_header(c);
201 	if (error) {
202 		log_warnx("%s: %s", __func__, error->msg);
203 		goto err;
204 	}
205 
206 	if (error2) {
207 		error = error2;
208 		goto err;
209 	}
210 
211 	switch(qs->action) {
212 	case BLAME:
213 		error = gotweb_render_blame(c);
214 		if (error) {
215 			log_warnx("%s: %s", __func__, error->msg);
216 			goto err;
217 		}
218 		break;
219 	case BRIEFS:
220 		error = gotweb_render_briefs(c);
221 		if (error) {
222 			log_warnx("%s: %s", __func__, error->msg);
223 			goto err;
224 		}
225 		break;
226 	case COMMITS:
227 		error = gotweb_render_commits(c);
228 		if (error) {
229 			log_warnx("%s: %s", __func__, error->msg);
230 			goto err;
231 		}
232 		break;
233 	case DIFF:
234 		error = gotweb_render_diff(c);
235 		if (error) {
236 			log_warnx("%s: %s", __func__, error->msg);
237 			goto err;
238 		}
239 		break;
240 	case INDEX:
241 		error = gotweb_render_index(c);
242 		if (error) {
243 			log_warnx("%s: %s", __func__, error->msg);
244 			goto err;
245 		}
246 		break;
247 	case SUMMARY:
248 		error = gotweb_render_summary(c);
249 		if (error) {
250 			log_warnx("%s: %s", __func__, error->msg);
251 			goto err;
252 		}
253 		break;
254 	case TAG:
255 		error = gotweb_render_tag(c);
256 		if (error) {
257 			log_warnx("%s: %s", __func__, error->msg);
258 			goto err;
259 		}
260 		break;
261 	case TAGS:
262 		error = gotweb_render_tags(c);
263 		if (error) {
264 			log_warnx("%s: %s", __func__, error->msg);
265 			goto err;
266 		}
267 		break;
268 	case TREE:
269 		error = gotweb_render_tree(c);
270 		if (error) {
271 			log_warnx("%s: %s", __func__, error->msg);
272 			goto err;
273 		}
274 		break;
275 	case ERR:
276 	default:
277 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
278 			goto err;
279 		if (fcgi_gen_response(c, "Error: Bad Querystring\n") == -1)
280 			goto err;
281 		if (fcgi_gen_response(c, "</div>\n") == -1)
282 			goto err;
283 		break;
284 	}
285 
286 	goto done;
287 err:
288 	if (html && fcgi_gen_response(c, "<div id='err_content'>") == -1)
289 		return;
290 	if (fcgi_gen_response(c, err) == -1)
291 		return;
292 	if (error) {
293 		if (fcgi_gen_response(c, (uint8_t *)error->msg) == -1)
294 			return;
295 	} else {
296 		if (fcgi_gen_response(c, "see daemon logs for details") == -1)
297 			return;
298 	}
299 	if (html && fcgi_gen_response(c, "</div>\n") == -1)
300 		return;
301 done:
302 	if (c->t->repo != NULL && qs->action != INDEX)
303 		got_repo_close(c->t->repo);
304 	if (html && srv != NULL)
305 		gotweb_render_footer(c);
306 }
307 
308 struct server *
309 gotweb_get_server(uint8_t *server_name, uint8_t *document_root,
310     uint8_t *subdomain)
311 {
312 	struct server *srv = NULL;
313 
314 	/* check against document_root first */
315 	if (strlen(server_name) > 0)
316 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
317 			if (strcmp(srv->name, server_name) == 0)
318 				goto done;
319 
320 	/* check against document_root second */
321 	if (strlen(document_root) > 0)
322 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
323 			if (strcmp(srv->name, document_root) == 0)
324 				goto done;
325 
326 	/* check against subdomain third */
327 	if (strlen(subdomain) > 0)
328 		TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
329 			if (strcmp(srv->name, subdomain) == 0)
330 				goto done;
331 
332 	/* if those fail, send first server */
333 	TAILQ_FOREACH(srv, gotwebd_env->servers, entry)
334 		if (srv != NULL)
335 			break;
336 done:
337 	return srv;
338 };
339 
340 const struct got_error *
341 gotweb_init_transport(struct transport **t)
342 {
343 	const struct got_error *error = NULL;
344 
345 	*t = calloc(1, sizeof(**t));
346 	if (*t == NULL)
347 		return got_error_from_errno2("%s: calloc", __func__);
348 
349 	TAILQ_INIT(&(*t)->repo_commits);
350 	TAILQ_INIT(&(*t)->repo_tags);
351 
352 	(*t)->repo = NULL;
353 	(*t)->repo_dir = NULL;
354 	(*t)->qs = NULL;
355 	(*t)->next_id = NULL;
356 	(*t)->prev_id = NULL;
357 	(*t)->next_disp = 0;
358 	(*t)->prev_disp = 0;
359 
360 	return error;
361 }
362 
363 static const struct got_error *
364 gotweb_init_querystring(struct querystring **qs)
365 {
366 	const struct got_error *error = NULL;
367 
368 	*qs = calloc(1, sizeof(**qs));
369 	if (*qs == NULL)
370 		return got_error_from_errno2("%s: calloc", __func__);
371 
372 	(*qs)->action = INDEX;
373 	(*qs)->commit = NULL;
374 	(*qs)->file = NULL;
375 	(*qs)->folder = NULL;
376 	(*qs)->headref = strdup("HEAD");
377 	if ((*qs)->headref == NULL) {
378 		return got_error_from_errno2("%s: strdup", __func__);
379 	}
380 	(*qs)->index_page = 0;
381 	(*qs)->index_page_str = NULL;
382 	(*qs)->path = NULL;
383 
384 	return error;
385 }
386 
387 static const struct got_error *
388 gotweb_parse_querystring(struct querystring **qs, char *qst)
389 {
390 	const struct got_error *error = NULL;
391 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
392 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
393 
394 	if (qst == NULL)
395 		return error;
396 
397 	tok1 = strdup(qst);
398 	if (tok1 == NULL)
399 		return got_error_from_errno2("%s: strdup", __func__);
400 
401 	tok1_pair = tok1;
402 	tok1_end = tok1;
403 
404 	while (tok1_pair != NULL) {
405 		strsep(&tok1_end, "&");
406 
407 		tok2 = strdup(tok1_pair);
408 		if (tok2 == NULL) {
409 			free(tok1);
410 			return got_error_from_errno2("%s: strdup", __func__);
411 		}
412 
413 		tok2_pair = tok2;
414 		tok2_end = tok2;
415 
416 		while (tok2_pair != NULL) {
417 			strsep(&tok2_end, "=");
418 			if (tok2_end) {
419 				error = gotweb_assign_querystring(qs, tok2_pair,
420 				    tok2_end);
421 				if (error)
422 					goto err;
423 			}
424 			tok2_pair = tok2_end;
425 		}
426 		free(tok2);
427 		tok1_pair = tok1_end;
428 	}
429 	free(tok1);
430 	return error;
431 err:
432 	free(tok2);
433 	free(tok1);
434 	return error;
435 }
436 
437 static const struct got_error *
438 gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
439 {
440 	const struct got_error *error = NULL;
441 	const char *errstr;
442 	int a_cnt, el_cnt;
443 
444 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
445 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
446 			continue;
447 
448 		switch (querystring_keys[el_cnt].element) {
449 		case ACTION:
450 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
451 				if (strcmp(value, action_keys[a_cnt].name) != 0)
452 					continue;
453 				else if (strcmp(value,
454 				    action_keys[a_cnt].name) == 0){
455 					(*qs)->action =
456 					    action_keys[a_cnt].action;
457 					goto qa_found;
458 				}
459 			}
460 			(*qs)->action = ERR;
461 qa_found:
462 			break;
463 		case COMMIT:
464 			(*qs)->commit = strdup(value);
465 			if ((*qs)->commit == NULL) {
466 				error = got_error_from_errno2("%s: strdup",
467 				    __func__);
468 				goto done;
469 			}
470 			break;
471 		case RFILE:
472 			(*qs)->file = strdup(value);
473 			if ((*qs)->file == NULL) {
474 				error = got_error_from_errno2("%s: strdup",
475 				    __func__);
476 				goto done;
477 			}
478 			break;
479 		case FOLDER:
480 			(*qs)->folder = strdup(value);
481 			if ((*qs)->folder == NULL) {
482 				error = got_error_from_errno2("%s: strdup",
483 				    __func__);
484 				goto done;
485 			}
486 			break;
487 		case HEADREF:
488 			(*qs)->headref = strdup(value);
489 			if ((*qs)->headref == NULL) {
490 				error = got_error_from_errno2("%s: strdup",
491 				    __func__);
492 				goto done;
493 			}
494 			break;
495 		case INDEX_PAGE:
496 			if (strlen(value) == 0)
497 				break;
498 			(*qs)->index_page_str = strdup(value);
499 			if ((*qs)->index_page_str == NULL) {
500 				error = got_error_from_errno2("%s: strdup",
501 				    __func__);
502 				goto done;
503 			}
504 			(*qs)->index_page = strtonum(value, INT64_MIN,
505 			    INT64_MAX, &errstr);
506 			if (errstr) {
507 				error = got_error_from_errno3("%s: strtonum %s",
508 				    __func__, errstr);
509 				goto done;
510 			}
511 			if ((*qs)->index_page < 0) {
512 				(*qs)->index_page = 0;
513 				sprintf((*qs)->index_page_str, "%d", 0);
514 			}
515 			break;
516 		case PATH:
517 			(*qs)->path = strdup(value);
518 			if ((*qs)->path == NULL) {
519 				error = got_error_from_errno2("%s: strdup",
520 				    __func__);
521 				goto done;
522 			}
523 			break;
524 		case PAGE:
525 			if (strlen(value) == 0)
526 				break;
527 			(*qs)->page_str = strdup(value);
528 			if ((*qs)->page_str == NULL) {
529 				error = got_error_from_errno2("%s: strdup",
530 				    __func__);
531 				goto done;
532 			}
533 			(*qs)->page = strtonum(value, INT64_MIN,
534 			    INT64_MAX, &errstr);
535 			if (errstr) {
536 				error = got_error_from_errno3("%s: strtonum %s",
537 				    __func__, errstr);
538 				goto done;
539 			}
540 			if ((*qs)->page < 0) {
541 				(*qs)->page = 0;
542 				sprintf((*qs)->page_str, "%d", 0);
543 			}
544 			break;
545 		default:
546 			break;
547 		}
548 	}
549 done:
550 	return error;
551 }
552 
553 void
554 gotweb_free_repo_tag(struct repo_tag *rt)
555 {
556 	if (rt != NULL) {
557 		free(rt->commit_msg);
558 		free(rt->commit_id);
559 		free(rt->tagger);
560 	}
561 	free(rt);
562 }
563 
564 void
565 gotweb_free_repo_commit(struct repo_commit *rc)
566 {
567 	if (rc != NULL) {
568 		free(rc->path);
569 		free(rc->refs_str);
570 		free(rc->commit_id);
571 		free(rc->parent_id);
572 		free(rc->tree_id);
573 		free(rc->author);
574 		free(rc->committer);
575 		free(rc->commit_msg);
576 	}
577 	free(rc);
578 }
579 
580 static void
581 gotweb_free_querystring(struct querystring *qs)
582 {
583 	if (qs != NULL) {
584 		free(qs->commit);
585 		free(qs->file);
586 		free(qs->folder);
587 		free(qs->headref);
588 		free(qs->index_page_str);
589 		free(qs->path);
590 		free(qs->page_str);
591 	}
592 	free(qs);
593 }
594 
595 static void
596 gotweb_free_repo_dir(struct repo_dir *repo_dir)
597 {
598 	if (repo_dir != NULL) {
599 		free(repo_dir->name);
600 		free(repo_dir->owner);
601 		free(repo_dir->description);
602 		free(repo_dir->url);
603 		free(repo_dir->age);
604 		free(repo_dir->path);
605 	}
606 	free(repo_dir);
607 }
608 
609 void
610 gotweb_free_transport(struct transport *t)
611 {
612 	struct repo_commit *rc = NULL, *trc = NULL;
613 	struct repo_tag *rt = NULL, *trt = NULL;
614 
615 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
616 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
617 		gotweb_free_repo_commit(rc);
618 	}
619 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
620 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
621 		gotweb_free_repo_tag(rt);
622 	}
623 	gotweb_free_repo_dir(t->repo_dir);
624 	gotweb_free_querystring(t->qs);
625 	if (t != NULL) {
626 		free(t->next_id);
627 		free(t->prev_id);
628 	}
629 	free(t);
630 }
631 
632 const struct got_error *
633 gotweb_render_content_type(struct request *c, const uint8_t *type)
634 {
635 	const struct got_error *error = NULL;
636 	char *h = NULL;
637 
638 	if (asprintf(&h, "Content-type: %s\r\n\r\n", type) == -1) {
639 		error = got_error_from_errno2("%s: asprintf", __func__);
640 		goto done;
641 	}
642 
643 	fcgi_gen_response(c, h);
644 done:
645 	free(h);
646 
647 	return error;
648 }
649 
650 const struct got_error *
651 gotweb_render_content_type_file(struct request *c, const uint8_t *type,
652     char *file)
653 {
654 	const struct got_error *error = NULL;
655 	char *h = NULL;
656 
657 	if (asprintf(&h, "Content-type: %s\r\n"
658 	    "Content-disposition: attachment; filename=%s\r\n\r\n",
659 	    type, file) == -1) {
660 		error = got_error_from_errno2("%s: asprintf", __func__);
661 		goto done;
662 	}
663 
664 	fcgi_gen_response(c, h);
665 done:
666 	free(h);
667 
668 	return error;
669 }
670 
671 static const struct got_error *
672 gotweb_render_header(struct request *c)
673 {
674 	const struct got_error *error = NULL;
675 	struct server *srv = c->srv;
676 	struct querystring *qs = c->t->qs;
677 	char *title = NULL, *droot = NULL, *css = NULL, *gotlink = NULL;
678 	char *gotimg = NULL, *sitelink = NULL, *summlink = NULL;
679 
680 	if (strlen(c->document_root) > 0) {
681 		if (asprintf(&droot, "/%s/", c->document_root) == -1) {
682 			error = got_error_from_errno2("%s: asprintf", __func__);
683 			goto done;
684 		}
685 	} else {
686 		if (asprintf(&droot, "/") == -1) {
687 			error = got_error_from_errno2("%s: asprintf", __func__);
688 			goto done;
689 		}
690 	}
691 
692 	if (asprintf(&title, "<title>%s</title>\n", srv->site_name) == -1) {
693 		error = got_error_from_errno2("%s: asprintf", __func__);
694 		goto done;
695 	}
696 	if (asprintf(&css,
697 	    "<link rel='stylesheet' type='text/css' href='%s%s'/>\n",
698 	    droot, srv->custom_css) == -1) {
699 		error = got_error_from_errno2("%s: asprintf", __func__);
700 		goto done;
701 	}
702 	if (asprintf(&gotlink, "<a href='%s' target='_sotd'>",
703 	    srv->logo_url) == -1) {
704 		error = got_error_from_errno2("%s: asprintf", __func__);
705 		goto done;
706 	}
707 	if (asprintf(&gotimg, "<img src='%s%s' alt='logo' id='logo'/></a>",
708 	    droot, srv->logo) == -1) {
709 		error = got_error_from_errno2("%s: asprintf", __func__);
710 		goto done;
711 	}
712 	if (asprintf(&sitelink, "<a href='/%s?index_page=%d' "
713 	    "alt='sitelink'>%s</a>", c->document_root, qs->index_page,
714 	    srv->site_link) == -1) {
715 		error = got_error_from_errno2("%s: asprintf", __func__);
716 		goto done;
717 	}
718 	if (asprintf(&summlink, "<a href='/%s?index_page=%d&path=%s"
719 	    "&action=summary' alt='summlink'>%s</a>", c->document_root,
720 	    qs->index_page, qs->path, qs->path) == -1) {
721 		error = got_error_from_errno2("%s: asprintf", __func__);
722 		goto done;
723 	}
724 
725 	if (fcgi_gen_response(c, "<!DOCTYPE html>\n<head>\n") == -1)
726 		goto done;
727 	if (fcgi_gen_response(c, title) == -1)
728 		goto done;
729 	if (fcgi_gen_response(c, "<meta name='viewport' "
730 	    "content='initial-scale=.75, user-scalable=yes'/>\n") == -1)
731 		goto done;
732 	if (fcgi_gen_response(c, "<meta charset='utf-8'/>\n") == -1)
733 		goto done;
734 	if (fcgi_gen_response(c, "<meta name='msapplication-TileColor' "
735 	    "content='#da532c'/>\n") == -1)
736 		goto done;
737 	if (fcgi_gen_response(c,
738 	    "<meta name='theme-color' content='#ffffff'/>\n") == -1)
739 		goto done;
740 	if (fcgi_gen_response(c, "<link rel='apple-touch-icon' sizes='180x180' "
741 	    "href='/apple-touch-icon.png'/>\n") == -1)
742 		goto done;
743 	if (fcgi_gen_response(c,
744 	    "<link rel='icon' type='image/png' sizes='32x32' "
745 	    "href='/favicon-32x32.png'/>\n") == -1)
746 		goto done;
747 	if (fcgi_gen_response(c, "<link rel='icon' type='image/png' "
748 	    "sizes='16x16' href='/favicon-16x16.png'/>\n") == -1)
749 		goto done;
750 	if (fcgi_gen_response(c, "<link rel='manifest' "
751 	    "href='/site.webmanifest'/>\n") == -1)
752 		goto done;
753 	if (fcgi_gen_response(c, "<link rel='mask-icon' "
754 	    "href='/safari-pinned-tab.svg'/>\n") == -1)
755 		goto done;
756 	if (fcgi_gen_response(c, css) == -1)
757 		goto done;
758 	if (fcgi_gen_response(c, "</head>\n<body>\n<div id='gw_body'>\n") == -1)
759 		goto done;
760 	if (fcgi_gen_response(c,
761 	    "<div id='header'>\n<div id='got_link'>") == -1)
762 		goto done;
763 	if (fcgi_gen_response(c, gotlink) == -1)
764 		goto done;
765 	if (fcgi_gen_response(c, gotimg) == -1)
766 		goto done;
767 	if (fcgi_gen_response(c, "</div>\n</div>\n") == -1)
768 		goto done;
769 	if (fcgi_gen_response(c,
770 	    "<div id='site_path'>\n<div id='site_link'>") == -1)
771 		goto done;
772 	if (fcgi_gen_response(c, sitelink) == -1)
773 		goto done;
774 	if (qs != NULL) {
775 		if (qs->path != NULL) {
776 			if (fcgi_gen_response(c, " / ") == -1)
777 				goto done;
778 			if (fcgi_gen_response(c, summlink) == -1)
779 				goto done;
780 		}
781 		if (qs->action != INDEX) {
782 			if (fcgi_gen_response(c, " / ") == -1)
783 				goto done;
784 			switch(qs->action) {
785 			case(BLAME):
786 				if (fcgi_gen_response(c, "blame") == -1)
787 					goto done;
788 				break;
789 			case(BRIEFS):
790 				if (fcgi_gen_response(c, "briefs") == -1)
791 					goto done;
792 				break;
793 			case(COMMITS):
794 				if (fcgi_gen_response(c, "commits") == -1)
795 					goto done;
796 				break;
797 			case(DIFF):
798 				if (fcgi_gen_response(c, "diff") == -1)
799 					goto done;
800 				break;
801 			case(SUMMARY):
802 				if (fcgi_gen_response(c, "summary") == -1)
803 					goto done;
804 				break;
805 			case(TAG):
806 				if (fcgi_gen_response(c, "tag") == -1)
807 					goto done;
808 				break;
809 			case(TAGS):
810 				if (fcgi_gen_response(c, "tags") == -1)
811 					goto done;
812 				break;
813 			case(TREE):
814 				if (fcgi_gen_response(c, "tree") == -1)
815 					goto done;
816 				break;
817 			default:
818 				break;
819 			}
820 		}
821 
822 	}
823 	fcgi_gen_response(c, "</div>\n</div>\n<div id='content'>\n");
824 done:
825 	free(title);
826 	free(droot);
827 	free(css);
828 	free(gotlink);
829 	free(gotimg);
830 	free(sitelink);
831 	free(summlink);
832 
833 	return error;
834 }
835 
836 static const struct got_error *
837 gotweb_render_footer(struct request *c)
838 {
839 	const struct got_error *error = NULL;
840 	struct server *srv = c->srv;
841 	char *siteowner = NULL;
842 
843 	if (fcgi_gen_response(c, "<div id='site_owner_wrapper'>\n") == -1)
844 		goto done;
845 	if (fcgi_gen_response(c, "<div id='site_owner'>") == -1)
846 		goto done;
847 	if (srv->show_site_owner) {
848 		error = gotweb_escape_html(&siteowner, srv->site_owner);
849 		if (error)
850 			goto done;
851 		if (fcgi_gen_response(c, siteowner) == -1)
852 			goto done;
853 	} else
854 		if (fcgi_gen_response(c, "&nbsp;") == -1)
855 			goto done;
856 	fcgi_gen_response(c, "</div>\n</div>\n</div>\n</body>\n</html>");
857 done:
858 	free(siteowner);
859 
860 	return error;
861 }
862 
863 static const struct got_error *
864 gotweb_render_navs(struct request *c)
865 {
866 	const struct got_error *error = NULL;
867 	struct transport *t = c->t;
868 	struct querystring *qs = t->qs;
869 	struct server *srv = c->srv;
870 	char *nhref = NULL, *phref = NULL;
871 	int disp = 0;
872 
873 	if (fcgi_gen_response(c, "<div id='np_wrapper'>\n") == -1)
874 		goto done;
875 	if (fcgi_gen_response(c, "<div id='nav_prev'>") == -1)
876 		goto done;
877 
878 	switch(qs->action) {
879 	case INDEX:
880 		if (qs->index_page > 0) {
881 			if (asprintf(&phref, "index_page=%d",
882 			    qs->index_page - 1) == -1) {
883 				error = got_error_from_errno2("%s: asprintf",
884 				    __func__);
885 				goto done;
886 			}
887 			disp = 1;
888 		}
889 		break;
890 	case BRIEFS:
891 		if (t->prev_id && qs->commit != NULL &&
892 		    strcmp(qs->commit, t->prev_id) != 0) {
893 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
894 			    "&action=briefs&commit=%s&headref=%s",
895 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
896 			    qs->headref) == -1) {
897 				error = got_error_from_errno2("%s: asprintf",
898 				    __func__);
899 				goto done;
900 			}
901 			disp = 1;
902 		}
903 		break;
904 	case COMMITS:
905 		if (t->prev_id && qs->commit != NULL &&
906 		    strcmp(qs->commit, t->prev_id) != 0) {
907 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
908 			    "&action=commits&commit=%s&headref=%s&folder=%s"
909 			    "&file=%s",
910 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
911 			    qs->headref, qs->folder ? qs->folder : "",
912 			    qs->file ? qs->file : "") == -1) {
913 				error = got_error_from_errno2("%s: asprintf",
914 				    __func__);
915 				goto done;
916 			}
917 			disp = 1;
918 		}
919 		break;
920 	case TAGS:
921 		if (t->prev_id && qs->commit != NULL &&
922 		    strcmp(qs->commit, t->prev_id) != 0) {
923 			if (asprintf(&phref, "index_page=%d&path=%s&page=%d"
924 			    "&action=tags&commit=%s&headref=%s",
925 			    qs->index_page, qs->path, qs->page - 1, t->prev_id,
926 			    qs->headref) == -1) {
927 				error = got_error_from_errno2("%s: asprintf",
928 				    __func__);
929 				goto done;
930 			}
931 			disp = 1;
932 		}
933 		break;
934 	default:
935 		disp = 0;
936 		break;
937 	}
938 
939 	if (disp) {
940 		if (fcgi_gen_response(c, "<a href='?") == -1)
941 			goto  done;
942 		if (fcgi_gen_response(c, phref) == -1)
943 			goto done;
944 		if (fcgi_gen_response(c, "'>Previous</a>") == -1)
945 			goto done;
946 	}
947 	if (fcgi_gen_response(c, "</div>\n") == -1)
948 		goto done;
949 	if (fcgi_gen_response(c, "<div id='nav_next'>") == -1)
950 		goto done;
951 
952 	disp = 0;
953 
954 	switch(qs->action) {
955 	case INDEX:
956 		if (t->next_disp == srv->max_repos_display &&
957 		    t->repos_total != (qs->index_page + 1) *
958 		    srv->max_repos_display) {
959 			if (asprintf(&nhref, "index_page=%d",
960 			    qs->index_page + 1) == -1) {
961 				error = got_error_from_errno2("%s: asprintf",
962 				    __func__);
963 				goto done;
964 			}
965 			disp = 1;
966 		}
967 		break;
968 	case BRIEFS:
969 		if (t->next_id) {
970 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
971 			    "&action=briefs&commit=%s&headref=%s",
972 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
973 			    qs->headref) == -1) {
974 				error = got_error_from_errno2("%s: asprintf",
975 				    __func__);
976 				goto done;
977 			}
978 			disp = 1;
979 		}
980 		break;
981 	case COMMITS:
982 		if (t->next_id) {
983 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
984 			    "&action=commits&commit=%s&headref=%s&folder=%s"
985 			    "&file=%s",
986 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
987 			    qs->headref, qs->folder ? qs->folder : "",
988 			    qs->file ? qs->file : "") == -1) {
989 				error = got_error_from_errno2("%s: asprintf",
990 				    __func__);
991 				goto done;
992 			}
993 			disp = 1;
994 		}
995 		break;
996 	case TAGS:
997 		if (t->next_id) {
998 			if (asprintf(&nhref, "index_page=%d&path=%s&page=%d"
999 			    "&action=tags&commit=%s&headref=%s",
1000 			    qs->index_page, qs->path, qs->page + 1, t->next_id,
1001 			    qs->headref) == -1) {
1002 				error = got_error_from_errno2("%s: asprintf",
1003 				    __func__);
1004 				goto done;
1005 			}
1006 			disp = 1;
1007 		}
1008 		break;
1009 	default:
1010 		disp = 0;
1011 		break;
1012 	}
1013 	if (disp) {
1014 		if (fcgi_gen_response(c, "<a href='?") == -1)
1015 			goto done;
1016 		if (fcgi_gen_response(c, nhref) == -1)
1017 			goto done;
1018 		if (fcgi_gen_response(c, "'>Next</a>") == -1)
1019 			goto done;
1020 	}
1021 	fcgi_gen_response(c, "</div>\n");
1022 done:
1023 	free(t->next_id);
1024 	t->next_id = NULL;
1025 	free(t->prev_id);
1026 	t->prev_id = NULL;
1027 	free(phref);
1028 	free(nhref);
1029 	return error;
1030 }
1031 
1032 static const struct got_error *
1033 gotweb_render_index(struct request *c)
1034 {
1035 	const struct got_error *error = NULL;
1036 	struct server *srv = c->srv;
1037 	struct transport *t = c->t;
1038 	struct querystring *qs = t->qs;
1039 	struct repo_dir *repo_dir = NULL;
1040 	DIR *d;
1041 	struct dirent **sd_dent;
1042 	char *c_path = NULL;
1043 	struct stat st;
1044 	unsigned int d_cnt, d_i, d_disp = 0;
1045 
1046 	d = opendir(srv->repos_path);
1047 	if (d == NULL) {
1048 		error = got_error_from_errno2("opendir", srv->repos_path);
1049 		return error;
1050 	}
1051 
1052 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
1053 	if (d_cnt == -1) {
1054 		error = got_error_from_errno2("scandir", srv->repos_path);
1055 		goto done;
1056 	}
1057 
1058 	/* get total count of repos */
1059 	for (d_i = 0; d_i < d_cnt; d_i++) {
1060 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1061 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1062 			continue;
1063 
1064 		if (asprintf(&c_path, "%s/%s", srv->repos_path,
1065 		    sd_dent[d_i]->d_name) == -1) {
1066 			error = got_error_from_errno("asprintf");
1067 			return error;
1068 		}
1069 
1070 		if (lstat(c_path, &st) == 0 && S_ISDIR(st.st_mode) &&
1071 		    !got_path_dir_is_empty(c_path))
1072 		t->repos_total++;
1073 		free(c_path);
1074 		c_path = NULL;
1075 	}
1076 
1077 	if (fcgi_gen_response(c, "<div id='index_header'>\n") == -1)
1078 		goto done;
1079 	if (fcgi_gen_response(c,
1080 	    "<div id='index_header_project'>Project</div>\n") == -1)
1081 		goto done;
1082 	if (srv->show_repo_description)
1083 		if (fcgi_gen_response(c, "<div id='index_header_description'>"
1084 		    "Description</div>\n") == -1)
1085 			goto done;
1086 	if (srv->show_repo_owner)
1087 		if (fcgi_gen_response(c, "<div id='index_header_owner'>"
1088 		    "Owner</div>\n") == -1)
1089 			goto done;
1090 	if (srv->show_repo_age)
1091 		if (fcgi_gen_response(c, "<div id='index_header_age'>"
1092 		    "Last Change</div>\n") == -1)
1093 			goto done;
1094 	if (fcgi_gen_response(c, "</div>\n") == -1)
1095 		goto done;
1096 
1097 	for (d_i = 0; d_i < d_cnt; d_i++) {
1098 		if (srv->max_repos > 0 && (d_i - 2) == srv->max_repos)
1099 			break; /* account for parent and self */
1100 
1101 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1102 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1103 			continue;
1104 
1105 		if (qs->index_page > 0 && (qs->index_page *
1106 		    srv->max_repos_display) > t->prev_disp) {
1107 			t->prev_disp++;
1108 			continue;
1109 		}
1110 
1111 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
1112 		if (error)
1113 			goto done;
1114 
1115 		error = gotweb_load_got_path(c, repo_dir);
1116 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1117 			error = NULL;
1118 			continue;
1119 		}
1120 		else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
1121 			goto done;
1122 
1123 		if (lstat(repo_dir->path, &st) == 0 &&
1124 		    S_ISDIR(st.st_mode) &&
1125 		    !got_path_dir_is_empty(repo_dir->path))
1126 			goto render;
1127 		else {
1128 			gotweb_free_repo_dir(repo_dir);
1129 			repo_dir = NULL;
1130 			continue;
1131 		}
1132 render:
1133 		d_disp++;
1134 		t->prev_disp++;
1135 		if (fcgi_gen_response(c, "<div id='index_wrapper'>\n") == -1)
1136 			goto done;
1137 		if (fcgi_gen_response(c, "<div id='index_project'>") == -1)
1138 			goto done;
1139 
1140 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1141 			goto done;
1142 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1143 			goto done;
1144 		if (fcgi_gen_response(c, "&path=") == -1)
1145 			goto done;
1146 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1147 			goto done;
1148 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1149 			goto done;
1150 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1151 			goto done;
1152 		if (fcgi_gen_response(c, "</a>") == -1)
1153 			goto done;
1154 
1155 		if (fcgi_gen_response(c, "</div>\n") == -1)
1156 			goto done;
1157 
1158 		if (srv->show_repo_description) {
1159 			if (fcgi_gen_response(c,
1160 			    "<div id='index_project_description'>\n") == -1)
1161 				goto done;
1162 			if (fcgi_gen_response(c, repo_dir->description) == -1)
1163 				goto done;
1164 			if (fcgi_gen_response(c, "</div>\n") == -1)
1165 				goto done;
1166 		}
1167 
1168 		if (srv->show_repo_owner) {
1169 			if (fcgi_gen_response(c,
1170 			    "<div id='index_project_owner'>") == -1)
1171 				goto done;
1172 			if (fcgi_gen_response(c, repo_dir->owner) == -1)
1173 				goto done;
1174 			if (fcgi_gen_response(c, "</div>\n") == -1)
1175 				goto done;
1176 		}
1177 
1178 		if (srv->show_repo_age) {
1179 			if (fcgi_gen_response(c,
1180 			    "<div id='index_project_age'>") == -1)
1181 				goto done;
1182 			if (fcgi_gen_response(c, repo_dir->age) == -1)
1183 				goto done;
1184 			if (fcgi_gen_response(c, "</div>\n") == -1)
1185 				goto done;
1186 		}
1187 
1188 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>") == -1)
1189 			goto done;
1190 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1191 			goto done;;
1192 
1193 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1194 			goto done;
1195 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1196 			goto done;
1197 		if (fcgi_gen_response(c, "&path=") == -1)
1198 			goto done;
1199 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1200 			goto done;
1201 		if (fcgi_gen_response(c, "&action=summary'>") == -1)
1202 			goto done;
1203 		if (fcgi_gen_response(c, "summary") == -1)
1204 			goto done;
1205 		if (fcgi_gen_response(c, "</a> | ") == -1)
1206 			goto done;
1207 
1208 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1209 			goto done;
1210 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1211 			goto done;
1212 		if (fcgi_gen_response(c, "&path=") == -1)
1213 			goto done;
1214 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1215 			goto done;
1216 		if (fcgi_gen_response(c, "&action=briefs'>") == -1)
1217 			goto done;
1218 		if (fcgi_gen_response(c, "commit briefs") == -1)
1219 			goto done;
1220 		if (fcgi_gen_response(c, "</a> | ") == -1)
1221 			goto done;
1222 
1223 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1224 			goto done;
1225 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1226 			goto done;
1227 		if (fcgi_gen_response(c, "&path=") == -1)
1228 			goto done;
1229 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1230 			goto done;
1231 		if (fcgi_gen_response(c, "&action=commits'>") == -1)
1232 			goto done;
1233 		if (fcgi_gen_response(c, "commits") == -1)
1234 			goto done;
1235 		if (fcgi_gen_response(c, "</a> | ") == -1)
1236 			goto done;
1237 
1238 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1239 			goto done;
1240 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1241 			goto done;
1242 		if (fcgi_gen_response(c, "&path=") == -1)
1243 			goto done;
1244 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1245 			goto done;
1246 		if (fcgi_gen_response(c, "&action=tags'>") == -1)
1247 			goto done;
1248 		if (fcgi_gen_response(c, "tags") == -1)
1249 			goto done;
1250 		if (fcgi_gen_response(c, "</a> | ") == -1)
1251 			goto done;
1252 
1253 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1254 			goto done;
1255 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1256 			goto done;
1257 		if (fcgi_gen_response(c, "&path=") == -1)
1258 			goto done;
1259 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1260 			goto done;
1261 		if (fcgi_gen_response(c, "&action=tree'>") == -1)
1262 			goto done;
1263 		if (fcgi_gen_response(c, "tree") == -1)
1264 			goto done;
1265 		if (fcgi_gen_response(c, "</a>") == -1)
1266 			goto done;
1267 
1268 		if (fcgi_gen_response(c, "</div>") == -1)
1269 			goto done;
1270 		if (fcgi_gen_response(c,
1271 		    "<div id='dotted_line'></div>\n") == -1)
1272 			goto done;
1273 		if (fcgi_gen_response(c, "</div>\n") == -1)
1274 			goto done;
1275 		if (fcgi_gen_response(c, "</div>\n") == -1)
1276 			goto done;
1277 
1278 		gotweb_free_repo_dir(repo_dir);
1279 		repo_dir = NULL;
1280 		error = got_repo_close(t->repo);
1281 		if (error)
1282 			goto done;
1283 		t->next_disp++;
1284 		if (d_disp == srv->max_repos_display)
1285 			break;
1286 	}
1287 	if (srv->max_repos_display == 0)
1288 		goto div;
1289 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
1290 		goto div;
1291 	if (t->repos_total <= srv->max_repos ||
1292 	    t->repos_total <= srv->max_repos_display)
1293 		goto div;
1294 
1295 	error = gotweb_render_navs(c);
1296 	if (error)
1297 		goto done;
1298 div:
1299 	fcgi_gen_response(c, "</div>\n");
1300 done:
1301 	if (d != NULL && closedir(d) == EOF && error == NULL)
1302 		error = got_error_from_errno("closedir");
1303 	return error;
1304 }
1305 
1306 static const struct got_error *
1307 gotweb_render_blame(struct request *c)
1308 {
1309 	const struct got_error *error = NULL;
1310 	struct transport *t = c->t;
1311 	struct repo_commit *rc = NULL;
1312 	char *age = NULL;
1313 
1314 	error = got_get_repo_commits(c, 1);
1315 	if (error)
1316 		return error;
1317 
1318 	rc = TAILQ_FIRST(&t->repo_commits);
1319 
1320 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1321 	if (error)
1322 		goto done;
1323 
1324 	if (fcgi_gen_response(c, "<div id='blame_title_wrapper'>\n") == -1)
1325 		goto done;
1326 	if (fcgi_gen_response(c, "<div id='blame_title'>Blame</div>\n") == -1)
1327 		goto done;
1328 	if (fcgi_gen_response(c, "</div>\n") == -1)
1329 		goto done;
1330 
1331 	if (fcgi_gen_response(c, "<div id='blame_content'>\n") == -1)
1332 		goto done;
1333 
1334 	if (fcgi_gen_response(c, "<div id='blame_header_wrapper'>\n") == -1)
1335 		goto done;
1336 	if (fcgi_gen_response(c, "<div id='blame_header'>\n") == -1)
1337 		goto done;
1338 
1339 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1340 	    "</div>\n") == -1)
1341 		goto done;
1342 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1343 		goto done;
1344 	if (fcgi_gen_response(c, age ? age : "") == -1)
1345 		goto done;
1346 	if (fcgi_gen_response(c, "</div>\n") == -1)
1347 		goto done;
1348 
1349 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1350 	    "</div>\n") == -1)
1351 		goto done;
1352 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1353 		goto done;
1354 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1355 		goto done;
1356 	if (fcgi_gen_response(c, "</div>\n") == -1)
1357 		goto done;
1358 
1359 	if (fcgi_gen_response(c, "</div>\n") == -1)
1360 		goto done;
1361 	if (fcgi_gen_response(c, "</div>\n") == -1)
1362 		goto done;
1363 
1364 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1365 		goto done;
1366 	if (fcgi_gen_response(c, "<div id='blame'>\n") == -1)
1367 		goto done;
1368 
1369 	error = got_output_file_blame(c);
1370 	if (error)
1371 		goto done;
1372 
1373 	fcgi_gen_response(c, "</div>\n");
1374 done:
1375 	fcgi_gen_response(c, "</div>\n");
1376 	return error;
1377 }
1378 
1379 static const struct got_error *
1380 gotweb_render_briefs(struct request *c)
1381 {
1382 	const struct got_error *error = NULL;
1383 	struct repo_commit *rc = NULL;
1384 	struct server *srv = c->srv;
1385 	struct transport *t = c->t;
1386 	struct querystring *qs = t->qs;
1387 	struct repo_dir *repo_dir = t->repo_dir;
1388 	char *smallerthan, *newline;
1389 	char *age = NULL;
1390 
1391 	if (fcgi_gen_response(c, "<div id='briefs_title_wrapper'>\n") == -1)
1392 		goto done;
1393 	if (fcgi_gen_response(c,
1394 	    "<div id='briefs_title'>Commit Briefs</div>\n") == -1)
1395 		goto done;
1396 	if (fcgi_gen_response(c, "</div>\n") == -1)
1397 		goto done;
1398 
1399 	if (fcgi_gen_response(c, "<div id='briefs_content'>\n") == -1)
1400 		goto done;
1401 
1402 	if (qs->action == SUMMARY) {
1403 		qs->action = BRIEFS;
1404 		error = got_get_repo_commits(c, D_MAXSLCOMMDISP);
1405 	} else
1406 		error = got_get_repo_commits(c, srv->max_commits_display);
1407 	if (error)
1408 		goto done;
1409 
1410 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1411 		error = gotweb_get_time_str(&age, rc->committer_time, TM_DIFF);
1412 		if (error)
1413 			goto done;
1414 		if (fcgi_gen_response(c, "<div id='briefs_age'>") == -1)
1415 			goto done;
1416 		if (fcgi_gen_response(c, age ? age : "") == -1)
1417 			goto done;
1418 		if (fcgi_gen_response(c, "</div>\n") == -1)
1419 			goto done;
1420 
1421 		if (fcgi_gen_response(c, "<div id='briefs_author'>") == -1)
1422 			goto done;
1423 		smallerthan = strchr(rc->author, '<');
1424 		if (smallerthan)
1425 			*smallerthan = '\0';
1426 		if (fcgi_gen_response(c, rc->author) == -1)
1427 			goto done;
1428 		if (fcgi_gen_response(c, "</div>\n") == -1)
1429 			goto done;
1430 
1431 		if (fcgi_gen_response(c, "<div id='briefs_log'>") == -1)
1432 			goto done;
1433 		newline = strchr(rc->commit_msg, '\n');
1434 		if (newline)
1435 			*newline = '\0';
1436 
1437 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1438 			goto done;
1439 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1440 			goto done;
1441 		if (fcgi_gen_response(c, "&path=") == -1)
1442 			goto done;
1443 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1444 			goto done;
1445 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1446 			goto done;
1447 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1448 			goto done;
1449 		if (fcgi_gen_response(c, "&headref=") == -1)
1450 			goto done;
1451 		if (fcgi_gen_response(c, qs->headref) == -1)
1452 			goto done;
1453 		if (fcgi_gen_response(c, "'>") == -1)
1454 			goto done;
1455 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1456 			goto done;
1457 		if (fcgi_gen_response(c, "</a>") == -1)
1458 			goto done;
1459 		if (rc->refs_str) {
1460 			if (fcgi_gen_response(c,
1461 			    " <span id='refs_str'>(") == -1)
1462 				goto done;
1463 			if (fcgi_gen_response(c, rc->refs_str) == -1)
1464 				goto done;
1465 			if (fcgi_gen_response(c, ")</span>") == -1)
1466 				goto done;
1467 		}
1468 		if (fcgi_gen_response(c, "</div>\n") == -1)
1469 			goto done;
1470 
1471 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1472 			goto done;
1473 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1474 			goto done;
1475 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1476 			goto done;
1477 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1478 			goto done;
1479 		if (fcgi_gen_response(c, "&path=") == -1)
1480 			goto done;
1481 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1482 			goto done;
1483 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1484 			goto done;
1485 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1486 			goto done;
1487 		if (fcgi_gen_response(c, "&headref=") == -1)
1488 			goto done;
1489 		if (fcgi_gen_response(c, qs->headref) == -1)
1490 			goto done;
1491 		if (fcgi_gen_response(c, "'>") == -1)
1492 			goto done;
1493 		if (fcgi_gen_response(c, "diff") == -1)
1494 			goto done;
1495 		if (fcgi_gen_response(c, "</a>") == -1)
1496 			goto done;
1497 
1498 		if (fcgi_gen_response(c, " | ") == -1)
1499 			goto done;
1500 
1501 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1502 			goto done;
1503 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1504 			goto done;
1505 		if (fcgi_gen_response(c, "&path=") == -1)
1506 			goto done;
1507 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1508 			goto done;
1509 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1510 			goto done;
1511 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1512 			goto done;
1513 		if (fcgi_gen_response(c, "&headref=") == -1)
1514 			goto done;
1515 		if (fcgi_gen_response(c, qs->headref) == -1)
1516 			goto done;
1517 		if (fcgi_gen_response(c, "'>") == -1)
1518 			goto done;
1519 		if (fcgi_gen_response(c, "tree") == -1)
1520 			goto done;
1521 		if (fcgi_gen_response(c, "</a>") == -1)
1522 			goto done;
1523 		if (fcgi_gen_response(c, "</div>\n") == -1)
1524 			goto done;
1525 		if (fcgi_gen_response(c, "</div>\n") == -1)
1526 			goto done;
1527 		if (fcgi_gen_response(c,
1528 		    "<div id='dotted_line'></div>\n") == -1)
1529 			goto done;
1530 
1531 		free(age);
1532 		age = NULL;
1533 	}
1534 
1535 	if (t->next_id || t->prev_id) {
1536 		error = gotweb_render_navs(c);
1537 		if (error)
1538 			goto done;
1539 	}
1540 	fcgi_gen_response(c, "</div>\n");
1541 done:
1542 	free(age);
1543 	return error;
1544 }
1545 
1546 static const struct got_error *
1547 gotweb_render_commits(struct request *c)
1548 {
1549 	const struct got_error *error = NULL;
1550 	struct repo_commit *rc = NULL;
1551 	struct server *srv = c->srv;
1552 	struct transport *t = c->t;
1553 	struct querystring *qs = t->qs;
1554 	struct repo_dir *repo_dir = t->repo_dir;
1555 	char *age = NULL, *author = NULL;
1556 	/* int commit_found = 0; */
1557 
1558 	if (fcgi_gen_response(c, "<div id='commits_title_wrapper'>\n") == -1)
1559 		goto done;
1560 	if (fcgi_gen_response(c,
1561 	    "<div id='commits_title'>Commits</div>\n") == -1)
1562 		goto done;
1563 	if (fcgi_gen_response(c, "</div>\n") == -1)
1564 		goto done;
1565 
1566 	if (fcgi_gen_response(c, "<div id='commits_content'>\n") == -1)
1567 		goto done;
1568 
1569 	error = got_get_repo_commits(c, srv->max_commits_display);
1570 	if (error)
1571 		goto done;
1572 
1573 	TAILQ_FOREACH(rc, &t->repo_commits, entry) {
1574 		error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1575 		if (error)
1576 			goto done;
1577 		error = gotweb_escape_html(&author, rc->author);
1578 		if (error)
1579 			goto done;
1580 
1581 		if (fcgi_gen_response(c,
1582 		    "<div id='commits_header_wrapper'>\n") == -1)
1583 			goto done;
1584 		if (fcgi_gen_response(c, "<div id='commits_header'>\n") == -1)
1585 			goto done;
1586 
1587 
1588 		if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
1589 		    "</div>\n") == -1)
1590 			goto done;
1591 		if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
1592 			goto done;
1593 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1594 			goto done;
1595 		if (fcgi_gen_response(c, "</div>\n") == -1)
1596 			goto done;
1597 
1598 		if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
1599 		    "</div>\n") == -1)
1600 			goto done;
1601 		if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
1602 			goto done;
1603 		if (fcgi_gen_response(c, author ? author : "") == -1)
1604 			goto done;
1605 		if (fcgi_gen_response(c, "</div>\n") == -1)
1606 			goto done;
1607 
1608 		if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1609 		    "</div>\n") == -1)
1610 			goto done;
1611 		if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1612 			goto done;
1613 		if (fcgi_gen_response(c, age ? age : "") == -1)
1614 			goto done;
1615 		if (fcgi_gen_response(c, "</div>\n") == -1)
1616 			goto done;
1617 
1618 		if (fcgi_gen_response(c, "</div>\n") == -1)
1619 			goto done;
1620 		if (fcgi_gen_response(c, "</div>\n") == -1)
1621 			goto done;
1622 
1623 		if (fcgi_gen_response(c,
1624 		    "<div id='dotted_line'></div>\n") == -1)
1625 			goto done;
1626 		if (fcgi_gen_response(c, "<div id='commit'>\n") == -1)
1627 			goto done;
1628 
1629 		if (fcgi_gen_response(c, rc->commit_msg) == -1)
1630 			goto done;
1631 
1632 		if (fcgi_gen_response(c, "</div>\n") == -1)
1633 			goto done;
1634 		if (fcgi_gen_response(c, "</div>\n") == -1)
1635 			goto done;
1636 
1637 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1638 			goto done;
1639 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1640 			goto done;
1641 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1642 			goto done;
1643 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1644 			goto done;
1645 		if (fcgi_gen_response(c, "&path=") == -1)
1646 			goto done;
1647 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1648 			goto done;
1649 		if (fcgi_gen_response(c, "&action=diff&commit=") == -1)
1650 			goto done;
1651 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1652 			goto done;
1653 		if (fcgi_gen_response(c, "'>") == -1)
1654 			goto done;
1655 		if (fcgi_gen_response(c, "diff") == -1)
1656 			goto done;
1657 		if (fcgi_gen_response(c, "</a>") == -1)
1658 			goto done;
1659 
1660 		if (fcgi_gen_response(c, " | ") == -1)
1661 			goto done;
1662 
1663 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1664 			goto done;
1665 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1666 			goto done;
1667 		if (fcgi_gen_response(c, "&path=") == -1)
1668 			goto done;
1669 		if (fcgi_gen_response(c, repo_dir->name) == -1)
1670 			goto done;
1671 		if (fcgi_gen_response(c, "&action=tree&commit=") == -1)
1672 			goto done;
1673 		if (fcgi_gen_response(c, rc->commit_id) == -1)
1674 			goto done;
1675 		if (fcgi_gen_response(c, "'>") == -1)
1676 			goto done;
1677 		if (fcgi_gen_response(c, "tree") == -1)
1678 			goto done;
1679 		if (fcgi_gen_response(c, "</a>") == -1)
1680 			goto done;
1681 		if (fcgi_gen_response(c, "</div>\n") == -1)
1682 			goto done;
1683 		if (fcgi_gen_response(c, "</div>\n") == -1)
1684 			goto done;
1685 		if (fcgi_gen_response(c,
1686 		    "<div id='dotted_line'></div>\n") == -1)
1687 			goto done;
1688 		free(age);
1689 		age = NULL;
1690 		free(author);
1691 		author = NULL;
1692 	}
1693 
1694 	if (t->next_id || t->prev_id) {
1695 		error = gotweb_render_navs(c);
1696 		if (error)
1697 			goto done;
1698 	}
1699 	if (fcgi_gen_response(c, "</div>\n") == -1)
1700 		goto done;
1701 	fcgi_gen_response(c, "</div>\n");
1702 done:
1703 	free(age);
1704 	return error;
1705 }
1706 
1707 static const struct got_error *
1708 gotweb_render_branches(struct request *c)
1709 {
1710 	const struct got_error *error = NULL;
1711 	struct got_reflist_head refs;
1712 	struct got_reflist_entry *re;
1713 	struct transport *t = c->t;
1714 	struct querystring *qs = t->qs;
1715 	struct got_repository *repo = t->repo;
1716 	char *age = NULL;
1717 
1718 	TAILQ_INIT(&refs);
1719 
1720 	error = got_ref_list(&refs, repo, "refs/heads",
1721 	    got_ref_cmp_by_name, NULL);
1722 	if (error)
1723 		goto done;
1724 
1725 	if (fcgi_gen_response(c, "<div id='branches_title_wrapper'>\n") == -1)
1726 		goto done;
1727 	if (fcgi_gen_response(c,
1728 	    "<div id='branches_title'>Branches</div>\n") == -1)
1729 		goto done;
1730 	if (fcgi_gen_response(c, "</div>\n") == -1)
1731 		goto done;
1732 
1733 	if (fcgi_gen_response(c, "<div id='branches_content'>\n") == -1)
1734 		goto done;
1735 
1736 	TAILQ_FOREACH(re, &refs, entry) {
1737 		char *refname = NULL;
1738 
1739 		if (got_ref_is_symbolic(re->ref))
1740 			continue;
1741 
1742 		refname = strdup(got_ref_get_name(re->ref));
1743 		if (refname == NULL) {
1744 			error = got_error_from_errno("strdup");
1745 			goto done;
1746 		}
1747 		if (strncmp(refname, "refs/heads/", 11) != 0)
1748 			continue;
1749 
1750 		error = got_get_repo_age(&age, c, qs->path, refname,
1751 		    TM_DIFF);
1752 		if (error)
1753 			goto done;
1754 
1755 		if (strncmp(refname, "refs/heads/", 11) == 0)
1756 			refname += 11;
1757 
1758 		if (fcgi_gen_response(c, "<div id='branches_wrapper'>") == -1)
1759 			goto done;
1760 
1761 		if (fcgi_gen_response(c, "<div id='branches_age'>") == -1)
1762 			goto done;
1763 		if (fcgi_gen_response(c, age ? age : "") == -1)
1764 			goto done;
1765 		if (fcgi_gen_response(c, "</div>\n") == -1)
1766 			goto done;
1767 
1768 		if (fcgi_gen_response(c, "<div id='branches_space'>") == -1)
1769 			goto done;
1770 		if (fcgi_gen_response(c, "&nbsp;") == -1)
1771 			goto done;
1772 		if (fcgi_gen_response(c, "</div>\n") == -1)
1773 			goto done;
1774 
1775 		if (fcgi_gen_response(c, "<div id='branch'>") == -1)
1776 			goto done;
1777 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1778 			goto done;
1779 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1780 			goto done;
1781 		if (fcgi_gen_response(c, "&path=") == -1)
1782 			goto done;
1783 		if (fcgi_gen_response(c, qs->path) == -1)
1784 			goto done;
1785 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1786 			goto done;
1787 		if (fcgi_gen_response(c, refname) == -1)
1788 			goto done;
1789 		if (fcgi_gen_response(c, "'>") == -1)
1790 			goto done;
1791 		if (fcgi_gen_response(c, refname) == -1)
1792 			goto done;
1793 		if (fcgi_gen_response(c, "</a>") == -1)
1794 			goto done;
1795 		if (fcgi_gen_response(c, "</div>\n") == -1)
1796 			goto done;
1797 
1798 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
1799 			goto done;
1800 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
1801 			goto done;
1802 
1803 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1804 			goto done;
1805 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1806 			goto done;
1807 		if (fcgi_gen_response(c, "&path=") == -1)
1808 			goto done;
1809 		if (fcgi_gen_response(c, qs->path) == -1)
1810 			goto done;
1811 		if (fcgi_gen_response(c, "&action=summary&headref=") == -1)
1812 			goto done;
1813 		if (fcgi_gen_response(c, refname) == -1)
1814 			goto done;
1815 		if (fcgi_gen_response(c, "'>") == -1)
1816 			goto done;
1817 		if (fcgi_gen_response(c, "summary") == -1)
1818 			goto done;
1819 		if (fcgi_gen_response(c, "</a>") == -1)
1820 			goto done;
1821 
1822 		if (fcgi_gen_response(c, " | ") == -1)
1823 			goto done;
1824 
1825 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1826 			goto done;
1827 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1828 			goto done;
1829 		if (fcgi_gen_response(c, "&path=") == -1)
1830 			goto done;
1831 		if (fcgi_gen_response(c, qs->path) == -1)
1832 			goto done;
1833 		if (fcgi_gen_response(c, "&action=briefs&headref=") == -1)
1834 			goto done;
1835 		if (fcgi_gen_response(c, refname) == -1)
1836 			goto done;
1837 		if (fcgi_gen_response(c, "'>") == -1)
1838 			goto done;
1839 		if (fcgi_gen_response(c, "commit briefs") == -1)
1840 			goto done;
1841 		if (fcgi_gen_response(c, "</a>") == -1)
1842 			goto done;
1843 
1844 		if (fcgi_gen_response(c, " | ") == -1)
1845 			goto done;
1846 
1847 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
1848 			goto done;
1849 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
1850 			goto done;
1851 		if (fcgi_gen_response(c, "&path=") == -1)
1852 			goto done;
1853 		if (fcgi_gen_response(c, qs->path) == -1)
1854 			goto done;
1855 		if (fcgi_gen_response(c, "&action=commits&headref=") == -1)
1856 			goto done;
1857 		if (fcgi_gen_response(c, refname) == -1)
1858 			goto done;
1859 		if (fcgi_gen_response(c, "'>") == -1)
1860 			goto done;
1861 		if (fcgi_gen_response(c, "commits") == -1)
1862 			goto done;
1863 		if (fcgi_gen_response(c, "</a>") == -1)
1864 			goto done;
1865 
1866 		if (fcgi_gen_response(c, "</div>\n") == -1)
1867 			goto done;
1868 		if (fcgi_gen_response(c, "</div>\n") == -1)
1869 			goto done;
1870 
1871 		if (fcgi_gen_response(c,
1872 		    "<div id='dotted_line'></div>\n") == -1)
1873 			goto done;
1874 
1875 		free(age);
1876 		age = NULL;
1877 
1878 	}
1879 	fcgi_gen_response(c, "</div>\n");
1880 done:
1881 	return error;
1882 }
1883 
1884 static const struct got_error *
1885 gotweb_render_tree(struct request *c)
1886 {
1887 	const struct got_error *error = NULL;
1888 	struct transport *t = c->t;
1889 	struct repo_commit *rc = NULL;
1890 	char *age = NULL;
1891 
1892 	error = got_get_repo_commits(c, 1);
1893 	if (error)
1894 		return error;
1895 
1896 	rc = TAILQ_FIRST(&t->repo_commits);
1897 
1898 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1899 	if (error)
1900 		goto done;
1901 
1902 	if (fcgi_gen_response(c, "<div id='tree_title_wrapper'>\n") == -1)
1903 		goto done;
1904 	if (fcgi_gen_response(c, "<div id='tree_title'>Tree</div>\n") == -1)
1905 		goto done;
1906 	if (fcgi_gen_response(c, "</div>\n") == -1)
1907 		goto done;
1908 
1909 	if (fcgi_gen_response(c, "<div id='tree_content'>\n") == -1)
1910 		goto done;
1911 
1912 	if (fcgi_gen_response(c, "<div id='tree_header_wrapper'>\n") == -1)
1913 		goto done;
1914 	if (fcgi_gen_response(c, "<div id='tree_header'>\n") == -1)
1915 		goto done;
1916 
1917 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
1918 	    "</div>\n") == -1)
1919 		goto done;
1920 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
1921 		goto done;
1922 	if (fcgi_gen_response(c, rc->tree_id) == -1)
1923 		goto done;
1924 	if (fcgi_gen_response(c, "</div>\n") == -1)
1925 		goto done;
1926 
1927 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
1928 	    "</div>\n") == -1)
1929 		goto done;
1930 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
1931 		goto done;
1932 	if (fcgi_gen_response(c, age ? age : "") == -1)
1933 		goto done;
1934 	if (fcgi_gen_response(c, "</div>\n") == -1)
1935 		goto done;
1936 
1937 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
1938 	    "</div>\n") == -1)
1939 		goto done;
1940 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
1941 		goto done;
1942 	if (fcgi_gen_response(c, rc->commit_msg) == -1)
1943 		goto done;
1944 	if (fcgi_gen_response(c, "</div>\n") == -1)
1945 		goto done;
1946 
1947 	if (fcgi_gen_response(c, "</div>\n") == -1)
1948 		goto done;
1949 	if (fcgi_gen_response(c, "</div>\n") == -1)
1950 		goto done;
1951 
1952 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
1953 		goto done;
1954 	if (fcgi_gen_response(c, "<div id='tree'>\n") == -1)
1955 		goto done;
1956 
1957 	error = got_output_repo_tree(c);
1958 	if (error)
1959 		goto done;
1960 
1961 	fcgi_gen_response(c, "</div>\n");
1962 	fcgi_gen_response(c, "</div>\n");
1963 done:
1964 	return error;
1965 }
1966 
1967 static const struct got_error *
1968 gotweb_render_diff(struct request *c)
1969 {
1970 	const struct got_error *error = NULL;
1971 	struct transport *t = c->t;
1972 	struct repo_commit *rc = NULL;
1973 	char *age = NULL, *author = NULL;
1974 
1975 	error = got_get_repo_commits(c, 1);
1976 	if (error)
1977 		return error;
1978 
1979 	rc = TAILQ_FIRST(&t->repo_commits);
1980 
1981 	error = gotweb_get_time_str(&age, rc->committer_time, TM_LONG);
1982 	if (error)
1983 		goto done;
1984 	error = gotweb_escape_html(&author, rc->author);
1985 	if (error)
1986 		goto done;
1987 
1988 	if (fcgi_gen_response(c, "<div id='diff_title_wrapper'>\n") == -1)
1989 		goto done;
1990 	if (fcgi_gen_response(c,
1991 	    "<div id='diff_title'>Commit Diff</div>\n") == -1)
1992 		goto done;
1993 	if (fcgi_gen_response(c, "</div>\n") == -1)
1994 		goto done;
1995 
1996 	if (fcgi_gen_response(c, "<div id='diff_content'>\n") == -1)
1997 		goto done;
1998 	if (fcgi_gen_response(c, "<div id='diff_header_wrapper'>\n") == -1)
1999 		goto done;
2000 	if (fcgi_gen_response(c, "<div id='diff_header'>\n") == -1)
2001 		goto done;
2002 
2003 	if (fcgi_gen_response(c, "<div id='header_diff_title'>Diff:"
2004 	    "</div>\n") == -1)
2005 		goto done;
2006 	if (fcgi_gen_response(c, "<div id='header_diff'>") == -1)
2007 		goto done;
2008 	if (fcgi_gen_response(c, rc->parent_id) == -1)
2009 		goto done;
2010 	if (fcgi_gen_response(c, "<br />") == -1)
2011 		goto done;
2012 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2013 		goto done;
2014 	if (fcgi_gen_response(c, "</div>\n") == -1)
2015 		goto done;
2016 
2017 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2018 	    "</div>\n") == -1)
2019 		goto done;
2020 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2021 		goto done;
2022 	if (fcgi_gen_response(c, rc->commit_id) == -1)
2023 		goto done;
2024 	if (fcgi_gen_response(c, "</div>\n") == -1)
2025 		goto done;
2026 
2027 	if (fcgi_gen_response(c, "<div id='header_tree_title'>Tree:"
2028 	    "</div>\n") == -1)
2029 		goto done;
2030 	if (fcgi_gen_response(c, "<div id='header_tree'>") == -1)
2031 		goto done;
2032 	if (fcgi_gen_response(c, rc->tree_id) == -1)
2033 		goto done;
2034 	if (fcgi_gen_response(c, "</div>\n") == -1)
2035 		goto done;
2036 
2037 	if (fcgi_gen_response(c, "<div id='header_author_title'>Author:"
2038 	    "</div>\n") == -1)
2039 		goto done;
2040 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2041 		goto done;
2042 	if (fcgi_gen_response(c, author ? author : "") == -1)
2043 		goto done;
2044 	if (fcgi_gen_response(c, "</div>\n") == -1)
2045 		goto done;
2046 
2047 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2048 	    "</div>\n") == -1)
2049 		goto done;
2050 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2051 		goto done;
2052 	if (fcgi_gen_response(c, age ? age : "") == -1)
2053 		goto done;
2054 	if (fcgi_gen_response(c, "</div>\n") == -1)
2055 		goto done;
2056 
2057 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2058 	    "</div>\n") == -1)
2059 		goto done;
2060 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2061 		goto done;
2062 	if (fcgi_gen_response(c, rc->commit_msg) == -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 	if (fcgi_gen_response(c, "</div>\n") == -1)
2069 		goto done;
2070 
2071 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2072 		goto done;
2073 	if (fcgi_gen_response(c, "<div id='diff'>\n") == -1)
2074 		goto done;
2075 
2076 	error = got_output_repo_diff(c);
2077 	if (error)
2078 		goto done;
2079 
2080 	fcgi_gen_response(c, "</div>\n");
2081 done:
2082 	fcgi_gen_response(c, "</div>\n");
2083 	free(age);
2084 	free(author);
2085 	return error;
2086 }
2087 
2088 static const struct got_error *
2089 gotweb_render_summary(struct request *c)
2090 {
2091 	const struct got_error *error = NULL;
2092 	struct transport *t = c->t;
2093 	struct server *srv = c->srv;
2094 
2095 	if (fcgi_gen_response(c, "<div id='summary_wrapper'>\n") == -1)
2096 		goto done;
2097 
2098 	if (!srv->show_repo_description)
2099 		goto owner;
2100 
2101 	if (fcgi_gen_response(c, "<div id='description_title'>"
2102 	    "Description:</div>\n") == -1)
2103 		goto done;
2104 	if (fcgi_gen_response(c, "<div id='description'>") == -1)
2105 		goto done;
2106 	if (fcgi_gen_response(c, t->repo_dir->description) == -1)
2107 		goto done;
2108 	if (fcgi_gen_response(c, "</div>\n") == -1)
2109 		goto done;
2110 owner:
2111 	if (!srv->show_repo_owner)
2112 		goto last_change;
2113 
2114 	if (fcgi_gen_response(c, "<div id='repo_owner_title'>"
2115 	    "Owner:</div>\n") == -1)
2116 		goto done;
2117 	if (fcgi_gen_response(c, "<div id='repo_owner'>") == -1)
2118 		goto done;
2119 	if (fcgi_gen_response(c, t->repo_dir->owner) == -1)
2120 		goto done;
2121 	if (fcgi_gen_response(c, "</div>\n") == -1)
2122 		goto done;
2123 last_change:
2124 	if (!srv->show_repo_age)
2125 		goto clone_url;
2126 
2127 	if (fcgi_gen_response(c, "<div id='last_change_title'>"
2128 	    "Last Change:</div>\n") == -1)
2129 		goto done;
2130 	if (fcgi_gen_response(c, "<div id='last_change'>") == -1)
2131 		goto done;
2132 	if (fcgi_gen_response(c, t->repo_dir->age) == -1)
2133 		goto done;
2134 	if (fcgi_gen_response(c, "</div>\n") == -1)
2135 		goto done;
2136 clone_url:
2137 	if (!srv->show_repo_cloneurl)
2138 		goto content;
2139 
2140 	if (fcgi_gen_response(c, "<div id='cloneurl_title'>"
2141 	    "Clone URL:</div>\n") == -1)
2142 		goto done;
2143 	if (fcgi_gen_response(c, "<div id='cloneurl'>") == -1)
2144 		goto done;
2145 	if (fcgi_gen_response(c, t->repo_dir->url) == -1)
2146 		goto done;
2147 	if (fcgi_gen_response(c, "</div>\n") == -1)
2148 		goto done;
2149 content:
2150 	if (fcgi_gen_response(c, "</div>\n") == -1)
2151 		goto done;
2152 	if (fcgi_gen_response(c, "</div>\n") == -1)
2153 		goto done;
2154 
2155 	error = gotweb_render_briefs(c);
2156 	if (error) {
2157 		log_warnx("%s: %s", __func__, error->msg);
2158 		goto done;
2159 	}
2160 
2161 	error = gotweb_render_tags(c);
2162 	if (error) {
2163 		log_warnx("%s: %s", __func__, error->msg);
2164 		goto done;
2165 	}
2166 
2167 	error = gotweb_render_branches(c);
2168 	if (error)
2169 		log_warnx("%s: %s", __func__, error->msg);
2170 done:
2171 	return error;
2172 }
2173 
2174 static const struct got_error *
2175 gotweb_render_tag(struct request *c)
2176 {
2177 	const struct got_error *error = NULL;
2178 	struct repo_tag *rt = NULL;
2179 	struct transport *t = c->t;
2180 	char *age = NULL, *author = NULL;
2181 
2182 	error = got_get_repo_tags(c, 1);
2183 	if (error)
2184 		goto done;
2185 
2186 	if (t->tag_count == 0) {
2187 		error = got_error_set_errno(GOT_ERR_BAD_OBJ_ID,
2188 		    "bad commit id");
2189 		goto done;
2190 	}
2191 
2192 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
2193 
2194 	error = gotweb_get_time_str(&age, rt->tagger_time, TM_LONG);
2195 	if (error)
2196 		goto done;
2197 	error = gotweb_escape_html(&author, rt->tagger);
2198 	if (error)
2199 		goto done;
2200 
2201 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2202 		goto done;
2203 	if (fcgi_gen_response(c, "<div id='tags_title'>Tag</div>\n") == -1)
2204 		goto done;
2205 	if (fcgi_gen_response(c, "</div>\n") == -1)
2206 		goto done;
2207 
2208 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2209 		goto done;
2210 	if (fcgi_gen_response(c, "<div id='tag_header_wrapper'>\n") == -1)
2211 		goto done;
2212 	if (fcgi_gen_response(c, "<div id='tag_header'>\n") == -1)
2213 		goto done;
2214 
2215 	if (fcgi_gen_response(c, "<div id='header_commit_title'>Commit:"
2216 	    "</div>\n") == -1)
2217 		goto done;
2218 	if (fcgi_gen_response(c, "<div id='header_commit'>") == -1)
2219 		goto done;
2220 	if (fcgi_gen_response(c, rt->commit_id) == -1)
2221 		goto done;
2222 
2223 	if (strncmp(rt->tag_name, "refs/", 5) == 0)
2224 		rt->tag_name += 5;
2225 
2226 	if (fcgi_gen_response(c, " <span id='refs_str'>(") == -1)
2227 		goto done;
2228 	if (fcgi_gen_response(c, rt->tag_name) == -1)
2229 		goto done;
2230 	if (fcgi_gen_response(c, ")</span>") == -1)
2231 		goto done;
2232 
2233 	if (fcgi_gen_response(c, "</div>\n") == -1)
2234 		goto done;
2235 
2236 	if (fcgi_gen_response(c, "<div id='header_author_title'>Tagger:"
2237 	    "</div>\n") == -1)
2238 		goto done;
2239 	if (fcgi_gen_response(c, "<div id='header_author'>") == -1)
2240 		goto done;
2241 	if (fcgi_gen_response(c, author ? author : "") == -1)
2242 		goto done;
2243 	if (fcgi_gen_response(c, "</div>\n") == -1)
2244 		goto done;
2245 
2246 	if (fcgi_gen_response(c, "<div id='header_age_title'>Date:"
2247 	    "</div>\n") == -1)
2248 		goto done;
2249 	if (fcgi_gen_response(c, "<div id='header_age'>") == -1)
2250 		goto done;
2251 	if (fcgi_gen_response(c, age ? age : "") == -1)
2252 		goto done;
2253 	if (fcgi_gen_response(c, "</div>\n") == -1)
2254 		goto done;
2255 
2256 	if (fcgi_gen_response(c, "<div id='header_commit_msg_title'>Message:"
2257 	    "</div>\n") == -1)
2258 		goto done;
2259 	if (fcgi_gen_response(c, "<div id='header_commit_msg'>") == -1)
2260 		goto done;
2261 	if (fcgi_gen_response(c, rt->commit_msg) == -1)
2262 		goto done;
2263 	if (fcgi_gen_response(c, "</div>\n") == -1)
2264 		goto done;
2265 	if (fcgi_gen_response(c, "</div>\n") == -1)
2266 		goto done;
2267 
2268 	if (fcgi_gen_response(c, "<div id='dotted_line'></div>\n") == -1)
2269 		goto done;
2270 	if (fcgi_gen_response(c, "<div id='tag_commit'>\n") == -1)
2271 		goto done;
2272 
2273 	if (fcgi_gen_response(c, rt->tag_commit) == -1)
2274 		goto done;
2275 
2276 	if (fcgi_gen_response(c, "</div>\n") == -1)
2277 		goto done;
2278 	fcgi_gen_response(c, "</div>\n");
2279 done:
2280 	free(age);
2281 	free(author);
2282 	return error;
2283 }
2284 
2285 static const struct got_error *
2286 gotweb_render_tags(struct request *c)
2287 {
2288 	const struct got_error *error = NULL;
2289 	struct repo_tag *rt = NULL;
2290 	struct server *srv = c->srv;
2291 	struct transport *t = c->t;
2292 	struct querystring *qs = t->qs;
2293 	struct repo_dir *repo_dir = t->repo_dir;
2294 	char *newline;
2295 	char *age = NULL;
2296 	int commit_found = 0;
2297 
2298 	if (qs->action == BRIEFS) {
2299 		qs->action = TAGS;
2300 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
2301 	} else
2302 		error = got_get_repo_tags(c, srv->max_commits_display);
2303 	if (error)
2304 		goto done;
2305 
2306 	if (fcgi_gen_response(c, "<div id='tags_title_wrapper'>\n") == -1)
2307 		goto done;
2308 	if (fcgi_gen_response(c,
2309 	    "<div id='tags_title'>Tags</div>\n") == -1)
2310 		goto done;
2311 	if (fcgi_gen_response(c, "</div>\n") == -1)
2312 		goto done;
2313 
2314 	if (fcgi_gen_response(c, "<div id='tags_content'>\n") == -1)
2315 		goto done;
2316 
2317 	if (t->tag_count == 0) {
2318 		if (fcgi_gen_response(c, "<div id='err_content'>") == -1)
2319 			goto done;
2320 		if (fcgi_gen_response(c,
2321 		    "This repository contains no tags\n") == -1)
2322 			goto done;
2323 		if (fcgi_gen_response(c, "</div>\n") == -1)
2324 			goto done;
2325 		if (fcgi_gen_response(c, "</div>\n") == -1)
2326 			goto done;
2327 	}
2328 
2329 	TAILQ_FOREACH(rt, &t->repo_tags, entry) {
2330 		if (commit_found == 0 && qs->commit != NULL) {
2331 			if (strcmp(qs->commit, rt->commit_id) != 0)
2332 				continue;
2333 			else
2334 				commit_found = 1;
2335 		}
2336 		error = gotweb_get_time_str(&age, rt->tagger_time, TM_DIFF);
2337 		if (error)
2338 			goto done;
2339 		if (fcgi_gen_response(c, "<div id='tag_age'>") == -1)
2340 			goto done;
2341 		if (fcgi_gen_response(c, age ? age : "") == -1)
2342 			goto done;
2343 		if (fcgi_gen_response(c, "</div>\n") == -1)
2344 			goto done;
2345 
2346 		if (fcgi_gen_response(c, "<div id='tag'>") == -1)
2347 			goto done;
2348 		if (strncmp(rt->tag_name, "refs/tags/", 10) == 0)
2349 			rt->tag_name += 10;
2350 		if (fcgi_gen_response(c, rt->tag_name) == -1)
2351 			goto done;
2352 		if (fcgi_gen_response(c, "</div>\n") == -1)
2353 			goto done;
2354 
2355 		if (fcgi_gen_response(c, "<div id='tags_log'>") == -1)
2356 			goto done;
2357 		if (rt->tag_commit != NULL) {
2358 			newline = strchr(rt->tag_commit, '\n');
2359 			if (newline)
2360 				*newline = '\0';
2361 		}
2362 
2363 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2364 			goto done;
2365 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2366 			goto done;
2367 		if (fcgi_gen_response(c, "&path=") == -1)
2368 			goto done;
2369 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2370 			goto done;
2371 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2372 			goto done;
2373 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2374 			goto done;
2375 		if (fcgi_gen_response(c, "'>") == -1)
2376 			goto done;
2377 		if (rt->tag_commit != NULL &&
2378 		    fcgi_gen_response(c, rt->tag_commit) == -1)
2379 			goto done;
2380 		if (fcgi_gen_response(c, "</a>") == -1)
2381 			goto done;
2382 		if (fcgi_gen_response(c, "</div>\n") == -1)
2383 			goto done;
2384 
2385 		if (fcgi_gen_response(c, "<div id='navs_wrapper'>\n") == -1)
2386 			goto done;
2387 		if (fcgi_gen_response(c, "<div id='navs'>") == -1)
2388 			goto done;
2389 
2390 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2391 			goto done;
2392 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2393 			goto done;
2394 		if (fcgi_gen_response(c, "&path=") == -1)
2395 			goto done;
2396 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2397 			goto done;
2398 		if (fcgi_gen_response(c, "&action=tag&commit=") == -1)
2399 			goto done;
2400 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2401 			goto done;
2402 		if (fcgi_gen_response(c, "'>") == -1)
2403 			goto done;
2404 		if (fcgi_gen_response(c, "tag") == -1)
2405 			goto done;
2406 		if (fcgi_gen_response(c, "</a>") == -1)
2407 			goto done;
2408 
2409 		if (fcgi_gen_response(c, " | ") == -1)
2410 			goto done;
2411 
2412 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2413 			goto done;
2414 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2415 			goto done;
2416 		if (fcgi_gen_response(c, "&path=") == -1)
2417 			goto done;
2418 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2419 			goto done;
2420 		if (fcgi_gen_response(c, "&action=briefs&commit=") == -1)
2421 			goto done;
2422 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2423 			goto done;
2424 		if (fcgi_gen_response(c, "'>") == -1)
2425 			goto done;
2426 		if (fcgi_gen_response(c, "commit briefs") == -1)
2427 			goto done;
2428 		if (fcgi_gen_response(c, "</a>") == -1)
2429 			goto done;
2430 
2431 		if (fcgi_gen_response(c, " | ") == -1)
2432 			goto done;
2433 
2434 		if (fcgi_gen_response(c, "<a href='?index_page=") == -1)
2435 			goto done;
2436 		if (fcgi_gen_response(c, qs->index_page_str) == -1)
2437 			goto done;
2438 		if (fcgi_gen_response(c, "&path=") == -1)
2439 			goto done;
2440 		if (fcgi_gen_response(c, repo_dir->name) == -1)
2441 			goto done;
2442 		if (fcgi_gen_response(c, "&action=commits&commit=") == -1)
2443 			goto done;
2444 		if (fcgi_gen_response(c, rt->commit_id) == -1)
2445 			goto done;
2446 		if (fcgi_gen_response(c, "'>") == -1)
2447 			goto done;
2448 		if (fcgi_gen_response(c, "commits") == -1)
2449 			goto done;
2450 		if (fcgi_gen_response(c, "</a>") == -1)
2451 			goto done;
2452 
2453 		if (fcgi_gen_response(c, "</div>\n") == -1)
2454 			goto done;
2455 		if (fcgi_gen_response(c, "</div>\n") == -1)
2456 			goto done;
2457 		if (fcgi_gen_response(c,
2458 		    "<div id='dotted_line'></div>\n") == -1)
2459 			goto done;
2460 
2461 		free(age);
2462 		age = NULL;
2463 	}
2464 	if (t->next_id || t->prev_id) {
2465 		error = gotweb_render_navs(c);
2466 		if (error)
2467 			goto done;
2468 	}
2469 	fcgi_gen_response(c, "</div>\n");
2470 done:
2471 	free(age);
2472 	return error;
2473 }
2474 
2475 const struct got_error *
2476 gotweb_escape_html(char **escaped_html, const char *orig_html)
2477 {
2478 	const struct got_error *error = NULL;
2479 	struct escape_pair {
2480 		char c;
2481 		const char *s;
2482 	} esc[] = {
2483 		{ '>', "&gt;" },
2484 		{ '<', "&lt;" },
2485 		{ '&', "&amp;" },
2486 		{ '"', "&quot;" },
2487 		{ '\'', "&apos;" },
2488 		{ '\n', "<br />" },
2489 	};
2490 	size_t orig_len, len;
2491 	int i, j, x;
2492 
2493 	orig_len = strlen(orig_html);
2494 	len = orig_len;
2495 	for (i = 0; i < orig_len; i++) {
2496 		for (j = 0; j < nitems(esc); j++) {
2497 			if (orig_html[i] != esc[j].c)
2498 				continue;
2499 			len += strlen(esc[j].s) - 1 /* escaped char */;
2500 		}
2501 	}
2502 
2503 	*escaped_html = calloc(len + 1 /* NUL */, sizeof(**escaped_html));
2504 	if (*escaped_html == NULL)
2505 		return got_error_from_errno("calloc");
2506 
2507 	x = 0;
2508 	for (i = 0; i < orig_len; i++) {
2509 		int escaped = 0;
2510 		for (j = 0; j < nitems(esc); j++) {
2511 			if (orig_html[i] != esc[j].c)
2512 				continue;
2513 
2514 			if (strlcat(*escaped_html, esc[j].s, len + 1)
2515 			    >= len + 1) {
2516 				error = got_error(GOT_ERR_NO_SPACE);
2517 				goto done;
2518 			}
2519 			x += strlen(esc[j].s);
2520 			escaped = 1;
2521 			break;
2522 		}
2523 		if (!escaped) {
2524 			(*escaped_html)[x] = orig_html[i];
2525 			x++;
2526 		}
2527 	}
2528 done:
2529 	if (error) {
2530 		free(*escaped_html);
2531 		*escaped_html = NULL;
2532 	} else {
2533 		(*escaped_html)[x] = '\0';
2534 	}
2535 
2536 	return error;
2537 }
2538 
2539 static const struct got_error *
2540 gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
2541 {
2542 	const struct got_error *error = NULL;
2543 	struct socket *sock = c->sock;
2544 	struct server *srv = c->srv;
2545 	struct transport *t = c->t;
2546 	DIR *dt;
2547 	char *dir_test;
2548 	int opened = 0;
2549 
2550 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2551 	    GOTWEB_GIT_DIR) == -1)
2552 		return got_error_from_errno("asprintf");
2553 
2554 	dt = opendir(dir_test);
2555 	if (dt == NULL) {
2556 		free(dir_test);
2557 	} else {
2558 		repo_dir->path = strdup(dir_test);
2559 		if (repo_dir->path == NULL) {
2560 			opened = 1;
2561 			error = got_error_from_errno("strdup");
2562 			goto err;
2563 		}
2564 		opened = 1;
2565 		goto done;
2566 	}
2567 
2568 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
2569 	    GOTWEB_GOT_DIR) == -1) {
2570 		dir_test = NULL;
2571 		error = got_error_from_errno("asprintf");
2572 		goto err;
2573 	}
2574 
2575 	dt = opendir(dir_test);
2576 	if (dt == NULL)
2577 		free(dir_test);
2578 	else {
2579 		opened = 1;
2580 		error = got_error(GOT_ERR_NOT_GIT_REPO);
2581 		goto err;
2582 	}
2583 
2584 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
2585 	    repo_dir->name) == -1) {
2586 		error = got_error_from_errno("asprintf");
2587 		dir_test = NULL;
2588 		goto err;
2589 	}
2590 
2591 	repo_dir->path = strdup(dir_test);
2592 	if (repo_dir->path == NULL) {
2593 		opened = 1;
2594 		error = got_error_from_errno("strdup");
2595 		goto err;
2596 	}
2597 
2598 	dt = opendir(dir_test);
2599 	if (dt == NULL) {
2600 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
2601 		goto err;
2602 	} else
2603 		opened = 1;
2604 done:
2605 	error = got_repo_open(&t->repo, repo_dir->path, NULL, sock->pack_fds);
2606 	if (error)
2607 		goto err;
2608 	error = gotweb_get_repo_description(&repo_dir->description, srv,
2609 	    repo_dir->path);
2610 	if (error)
2611 		goto err;
2612 	error = got_get_repo_owner(&repo_dir->owner, c, repo_dir->path);
2613 	if (error)
2614 		goto err;
2615 	error = got_get_repo_age(&repo_dir->age, c, repo_dir->path,
2616 	    NULL, TM_DIFF);
2617 	if (error)
2618 		goto err;
2619 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path);
2620 err:
2621 	free(dir_test);
2622 	if (opened)
2623 		if (dt != NULL && closedir(dt) == EOF && error == NULL)
2624 			error = got_error_from_errno("closedir");
2625 	return error;
2626 }
2627 
2628 static const struct got_error *
2629 gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
2630 {
2631 	const struct got_error *error;
2632 
2633 	*repo_dir = calloc(1, sizeof(**repo_dir));
2634 	if (*repo_dir == NULL)
2635 		return got_error_from_errno("calloc");
2636 
2637 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
2638 		error = got_error_from_errno("asprintf");
2639 		free(*repo_dir);
2640 		*repo_dir = NULL;
2641 		return error;
2642 	}
2643 	(*repo_dir)->owner = NULL;
2644 	(*repo_dir)->description = NULL;
2645 	(*repo_dir)->url = NULL;
2646 	(*repo_dir)->age = NULL;
2647 	(*repo_dir)->path = NULL;
2648 
2649 	return NULL;
2650 }
2651 
2652 static const struct got_error *
2653 gotweb_get_repo_description(char **description, struct server *srv, char *dir)
2654 {
2655 	const struct got_error *error = NULL;
2656 	FILE *f = NULL;
2657 	char *d_file = NULL;
2658 	unsigned int len;
2659 	size_t n;
2660 
2661 	*description = NULL;
2662 	if (srv->show_repo_description == 0)
2663 		return NULL;
2664 
2665 	if (asprintf(&d_file, "%s/description", dir) == -1)
2666 		return got_error_from_errno("asprintf");
2667 
2668 	f = fopen(d_file, "r");
2669 	if (f == NULL) {
2670 		if (errno == ENOENT || errno == EACCES)
2671 			return NULL;
2672 		error = got_error_from_errno2("fopen", d_file);
2673 		goto done;
2674 	}
2675 
2676 	if (fseek(f, 0, SEEK_END) == -1) {
2677 		error = got_ferror(f, GOT_ERR_IO);
2678 		goto done;
2679 	}
2680 	len = ftell(f);
2681 	if (len == -1) {
2682 		error = got_ferror(f, GOT_ERR_IO);
2683 		goto done;
2684 	}
2685 
2686 	if (len == 0)
2687 		goto done;
2688 
2689 	if (fseek(f, 0, SEEK_SET) == -1) {
2690 		error = got_ferror(f, GOT_ERR_IO);
2691 		goto done;
2692 	}
2693 	*description = calloc(len + 1, sizeof(**description));
2694 	if (*description == NULL) {
2695 		error = got_error_from_errno("calloc");
2696 		goto done;
2697 	}
2698 
2699 	n = fread(*description, 1, len, f);
2700 	if (n == 0 && ferror(f))
2701 		error = got_ferror(f, GOT_ERR_IO);
2702 done:
2703 	if (f != NULL && fclose(f) == EOF && error == NULL)
2704 		error = got_error_from_errno("fclose");
2705 	free(d_file);
2706 	return error;
2707 }
2708 
2709 static const struct got_error *
2710 gotweb_get_clone_url(char **url, struct server *srv, char *dir)
2711 {
2712 	const struct got_error *error = NULL;
2713 	FILE *f;
2714 	char *d_file = NULL;
2715 	unsigned int len;
2716 	size_t n;
2717 
2718 	*url = NULL;
2719 
2720 	if (srv->show_repo_cloneurl == 0)
2721 		return NULL;
2722 
2723 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2724 		return got_error_from_errno("asprintf");
2725 
2726 	f = fopen(d_file, "r");
2727 	if (f == NULL) {
2728 		if (errno != ENOENT && errno != EACCES)
2729 			error = got_error_from_errno2("fopen", d_file);
2730 		goto done;
2731 	}
2732 
2733 	if (fseek(f, 0, SEEK_END) == -1) {
2734 		error = got_ferror(f, GOT_ERR_IO);
2735 		goto done;
2736 	}
2737 	len = ftell(f);
2738 	if (len == -1) {
2739 		error = got_ferror(f, GOT_ERR_IO);
2740 		goto done;
2741 	}
2742 	if (len == 0)
2743 		goto done;
2744 
2745 	if (fseek(f, 0, SEEK_SET) == -1) {
2746 		error = got_ferror(f, GOT_ERR_IO);
2747 		goto done;
2748 	}
2749 
2750 	*url = calloc(len + 1, sizeof(**url));
2751 	if (*url == NULL) {
2752 		error = got_error_from_errno("calloc");
2753 		goto done;
2754 	}
2755 
2756 	n = fread(*url, 1, len, f);
2757 	if (n == 0 && ferror(f))
2758 		error = got_ferror(f, GOT_ERR_IO);
2759 done:
2760 	if (f != NULL && fclose(f) == EOF && error == NULL)
2761 		error = got_error_from_errno("fclose");
2762 	free(d_file);
2763 	return error;
2764 }
2765 
2766 const struct got_error *
2767 gotweb_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2768 {
2769 	struct tm tm;
2770 	time_t diff_time;
2771 	const char *years = "years ago", *months = "months ago";
2772 	const char *weeks = "weeks ago", *days = "days ago";
2773 	const char *hours = "hours ago",  *minutes = "minutes ago";
2774 	const char *seconds = "seconds ago", *now = "right now";
2775 	char *s;
2776 	char datebuf[29];
2777 
2778 	*repo_age = NULL;
2779 
2780 	switch (ref_tm) {
2781 	case TM_DIFF:
2782 		diff_time = time(NULL) - committer_time;
2783 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2784 			if (asprintf(repo_age, "%lld %s",
2785 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2786 				return got_error_from_errno("asprintf");
2787 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2788 			if (asprintf(repo_age, "%lld %s",
2789 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2790 			    months) == -1)
2791 				return got_error_from_errno("asprintf");
2792 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2793 			if (asprintf(repo_age, "%lld %s",
2794 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2795 				return got_error_from_errno("asprintf");
2796 		} else if (diff_time > 60 * 60 * 24 * 2) {
2797 			if (asprintf(repo_age, "%lld %s",
2798 			    (diff_time / 60 / 60 / 24), days) == -1)
2799 				return got_error_from_errno("asprintf");
2800 		} else if (diff_time > 60 * 60 * 2) {
2801 			if (asprintf(repo_age, "%lld %s",
2802 			    (diff_time / 60 / 60), hours) == -1)
2803 				return got_error_from_errno("asprintf");
2804 		} else if (diff_time > 60 * 2) {
2805 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2806 			    minutes) == -1)
2807 				return got_error_from_errno("asprintf");
2808 		} else if (diff_time > 2) {
2809 			if (asprintf(repo_age, "%lld %s", diff_time,
2810 			    seconds) == -1)
2811 				return got_error_from_errno("asprintf");
2812 		} else {
2813 			if (asprintf(repo_age, "%s", now) == -1)
2814 				return got_error_from_errno("asprintf");
2815 		}
2816 		break;
2817 	case TM_LONG:
2818 		if (gmtime_r(&committer_time, &tm) == NULL)
2819 			return got_error_from_errno("gmtime_r");
2820 
2821 		s = asctime_r(&tm, datebuf);
2822 		if (s == NULL)
2823 			return got_error_from_errno("asctime_r");
2824 
2825 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2826 			return got_error_from_errno("asprintf");
2827 		break;
2828 	}
2829 	return NULL;
2830 }