1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  * Copyright (c) 2014, 2015, 2017 Kristaps Dzonsons <kristaps@bsd.lv>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/queue.h>
20 #include <sys/stat.h>
21 #include <sys/types.h>
22 
23 #include <dirent.h>
24 #include <err.h>
25 #include <regex.h>
26 #include <stdarg.h>
27 #include <stdbool.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
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 #include <got_opentemp.h>
45 
46 #include <kcgi.h>
47 #include <kcgihtml.h>
48 
49 #include "buf.h"
50 #include "gotweb.h"
51 #include "gotweb_ui.h"
52 
53 #ifndef nitems
54 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
55 #endif
56 
57 struct trans {
58 	TAILQ_HEAD(dirs, gw_dir) gw_dirs;
59 	struct gw_dir		*gw_dir;
60 	struct gotweb_conf	*gw_conf;
61 	struct ktemplate	*gw_tmpl;
62 	struct khtmlreq		*gw_html_req;
63 	struct kreq		*gw_req;
64 	char			*repo_name;
65 	char			*repo_path;
66 	char			*commit;
67 	char			*repo_file;
68 	char			*action_name;
69 	char			*headref;
70 	unsigned int		 action;
71 	unsigned int		 page;
72 	unsigned int		 repos_total;
73 	enum kmime		 mime;
74 };
75 
76 enum gw_key {
77 	KEY_PATH,
78 	KEY_ACTION,
79 	KEY_COMMIT_ID,
80 	KEY_FILE,
81 	KEY_PAGE,
82 	KEY_HEADREF,
83 	KEY__MAX
84 };
85 
86 struct gw_dir {
87 	TAILQ_ENTRY(gw_dir)	 entry;
88 	char			*name;
89 	char			*owner;
90 	char			*description;
91 	char			*url;
92 	char			*age;
93 	char			*path;
94 };
95 
96 enum tmpl {
97 	TEMPL_HEAD,
98 	TEMPL_HEADER,
99 	TEMPL_SITEPATH,
100 	TEMPL_SITEOWNER,
101 	TEMPL_TITLE,
102 	TEMPL_SEARCH,
103 	TEMPL_CONTENT,
104 	TEMPL__MAX
105 };
106 
107 enum ref_tm {
108 	TM_DIFF,
109 	TM_LONG,
110 };
111 
112 enum logs {
113 	LOGBRIEF,
114 	LOGCOMMIT,
115 	LOGFULL,
116 	LOGTREE,
117 	LOGDIFF,
118 	LOGBLAME,
119 	LOGTAG,
120 };
121 
122 enum tags {
123 	TAGBRIEF,
124 	TAGFULL,
125 };
126 
127 struct buf {
128 	u_char	*cb_buf;
129 	size_t	 cb_size;
130 	size_t	 cb_len;
131 };
132 
133 static const char *const templs[TEMPL__MAX] = {
134 	"head",
135 	"header",
136 	"sitepath",
137 	"siteowner",
138 	"title",
139 	"search",
140 	"content",
141 };
142 
143 static const struct kvalid gw_keys[KEY__MAX] = {
144 	{ kvalid_stringne,	"path" },
145 	{ kvalid_stringne,	"action" },
146 	{ kvalid_stringne,	"commit" },
147 	{ kvalid_stringne,	"file" },
148 	{ kvalid_int,		"page" },
149 	{ kvalid_stringne,	"headref" },
150 };
151 
152 int				 gw_get_repo_log_count(struct trans *, char *);
153 
154 static struct gw_dir		*gw_init_gw_dir(char *);
155 
156 static char			*gw_get_repo_description(struct trans *,
157 				    char *);
158 static char			*gw_get_repo_owner(struct trans *,
159 				    char *);
160 static char			*gw_get_time_str(time_t, int);
161 static char			*gw_get_repo_age(struct trans *,
162 				    char *, char *, int);
163 static char			*gw_get_repo_log(struct trans *, const char *,
164 				    char *, int, int);
165 static char			*gw_get_repo_tags(struct trans *, int, int);
166 static char			*gw_get_repo_heads(struct trans *);
167 static char			*gw_get_clone_url(struct trans *, char *);
168 static char			*gw_get_got_link(struct trans *);
169 static char			*gw_get_site_link(struct trans *);
170 static char			*gw_html_escape(const char *);
171 
172 static void			 gw_display_open(struct trans *, enum khttp,
173 				    enum kmime);
174 static void			 gw_display_index(struct trans *,
175 				    const struct got_error *);
176 
177 static int			 gw_template(size_t, void *);
178 
179 static const struct got_error*	 apply_unveil(const char *, const char *);
180 static const struct got_error*	 cmp_tags(void *, int *,
181 				    struct got_reference *,
182 				    struct got_reference *);
183 static const struct got_error*	 gw_load_got_paths(struct trans *);
184 static const struct got_error*	 gw_load_got_path(struct trans *,
185 				    struct gw_dir *);
186 static const struct got_error*	 gw_parse_querystring(struct trans *);
187 static const struct got_error*	 match_logmsg(int *, struct got_object_id *,
188 				    struct got_commit_object *, regex_t *);
189 
190 static const struct got_error*	 gw_blame(struct trans *);
191 static const struct got_error*	 gw_blob(struct trans *);
192 static const struct got_error*	 gw_blobdiff(struct trans *);
193 static const struct got_error*	 gw_commit(struct trans *);
194 static const struct got_error*	 gw_commitdiff(struct trans *);
195 static const struct got_error*	 gw_history(struct trans *);
196 static const struct got_error*	 gw_index(struct trans *);
197 static const struct got_error*	 gw_log(struct trans *);
198 static const struct got_error*	 gw_raw(struct trans *);
199 static const struct got_error*	 gw_logbriefs(struct trans *);
200 static const struct got_error*	 gw_snapshot(struct trans *);
201 static const struct got_error*	 gw_summary(struct trans *);
202 static const struct got_error*	 gw_tag(struct trans *);
203 static const struct got_error*	 gw_tree(struct trans *);
204 
205 struct gw_query_action {
206 	unsigned int		 func_id;
207 	const char		*func_name;
208 	const struct got_error	*(*func_main)(struct trans *);
209 	char			*template;
210 };
211 
212 enum gw_query_actions {
213 	GW_BLAME,
214 	GW_BLOB,
215 	GW_BLOBDIFF,
216 	GW_COMMIT,
217 	GW_COMMITDIFF,
218 	GW_ERR,
219 	GW_HISTORY,
220 	GW_INDEX,
221 	GW_LOG,
222 	GW_RAW,
223 	GW_LOGBRIEFS,
224 	GW_SNAPSHOT,
225 	GW_SUMMARY,
226 	GW_TAG,
227 	GW_TREE,
228 };
229 
230 static struct gw_query_action gw_query_funcs[] = {
231 	{ GW_BLAME,	 "blame",	gw_blame,	"gw_tmpl/index.tmpl" },
232 	{ GW_BLOB,	 "blob",	gw_blob,	"gw_tmpl/index.tmpl" },
233 	{ GW_BLOBDIFF,	 "blobdiff",	gw_blobdiff,	"gw_tmpl/index.tmpl" },
234 	{ GW_COMMIT,	 "commit",	gw_commit,	"gw_tmpl/index.tmpl" },
235 	{ GW_COMMITDIFF, "commitdiff",	gw_commitdiff,	"gw_tmpl/index.tmpl" },
236 	{ GW_ERR,	 NULL,		NULL,		"gw_tmpl/index.tmpl" },
237 	{ GW_HISTORY,	 "history",	gw_history,	"gw_tmpl/index.tmpl" },
238 	{ GW_INDEX,	 "index",	gw_index,	"gw_tmpl/index.tmpl" },
239 	{ GW_LOG,	 "log",		gw_log,		"gw_tmpl/index.tmpl" },
240 	{ GW_RAW,	 "raw",		gw_raw,		"gw_tmpl/index.tmpl" },
241 	{ GW_LOGBRIEFS,	 "logbriefs",	gw_logbriefs,	"gw_tmpl/index.tmpl" },
242 	{ GW_SNAPSHOT,	 "snapshot",	gw_snapshot,	"gw_tmpl/index.tmpl" },
243 	{ GW_SUMMARY,	 "summary",	gw_summary,	"gw_tmpl/index.tmpl" },
244 	{ GW_TAG,	 "tag",		gw_tag,		"gw_tmpl/index.tmpl" },
245 	{ GW_TREE,	 "tree",	gw_tree,	"gw_tmpl/index.tmpl" },
246 };
247 
248 static const struct got_error *
249 apply_unveil(const char *repo_path, const char *repo_file)
250 {
251 	const struct got_error *err;
252 
253 	if (repo_path && repo_file) {
254 		char *full_path;
255 		if ((asprintf(&full_path, "%s/%s", repo_path, repo_file)) == -1)
256 			return got_error_from_errno("asprintf unveil");
257 		if (unveil(full_path, "r") != 0)
258 			return got_error_from_errno2("unveil", full_path);
259 	}
260 
261 	if (repo_path && unveil(repo_path, "r") != 0)
262 		return got_error_from_errno2("unveil", repo_path);
263 
264 	if (unveil("/tmp", "rwc") != 0)
265 		return got_error_from_errno2("unveil", "/tmp");
266 
267 	err = got_privsep_unveil_exec_helpers();
268 	if (err != NULL)
269 		return err;
270 
271 	if (unveil(NULL, NULL) != 0)
272 		return got_error_from_errno("unveil");
273 
274 	return NULL;
275 }
276 
277 static const struct got_error *
278 cmp_tags(void *arg, int *cmp, struct got_reference *ref1,
279     struct got_reference *ref2)
280 {
281 	const struct got_error *err = NULL;
282 	struct got_repository *repo = arg;
283 	struct got_object_id *id1, *id2 = NULL;
284 	struct got_tag_object *tag1 = NULL, *tag2 = NULL;
285 	time_t time1, time2;
286 
287 	*cmp = 0;
288 
289 	err = got_ref_resolve(&id1, repo, ref1);
290 	if (err)
291 		return err;
292 	err = got_object_open_as_tag(&tag1, repo, id1);
293 	if (err)
294 		goto done;
295 
296 	err = got_ref_resolve(&id2, repo, ref2);
297 	if (err)
298 		goto done;
299 	err = got_object_open_as_tag(&tag2, repo, id2);
300 	if (err)
301 		goto done;
302 
303 	time1 = got_object_tag_get_tagger_time(tag1);
304 	time2 = got_object_tag_get_tagger_time(tag2);
305 
306 	/* Put latest tags first. */
307 	if (time1 < time2)
308 		*cmp = 1;
309 	else if (time1 > time2)
310 		*cmp = -1;
311 	else
312 		err = got_ref_cmp_by_name(NULL, cmp, ref2, ref1);
313 done:
314 	free(id1);
315 	free(id2);
316 	if (tag1)
317 		got_object_tag_close(tag1);
318 	if (tag2)
319 		got_object_tag_close(tag2);
320 	return err;
321 }
322 
323 int
324 gw_get_repo_log_count(struct trans *gw_trans, char *start_commit)
325 {
326 	const struct got_error *error;
327 	struct got_repository *repo = NULL;
328 	struct got_reflist_head refs;
329 	struct got_commit_object *commit = NULL;
330 	struct got_object_id *id = NULL;
331 	struct got_commit_graph *graph = NULL;
332 	char *in_repo_path = NULL, *path = NULL;
333 	int log_count = 0;
334 
335 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
336 	if (error != NULL)
337 		return 0;
338 
339 	SIMPLEQ_INIT(&refs);
340 
341 	if (start_commit == NULL) {
342 		struct got_reference *head_ref;
343 		error = got_ref_open(&head_ref, repo, gw_trans->headref, 0);
344 		if (error != NULL)
345 			goto done;
346 
347 		error = got_ref_resolve(&id, repo, head_ref);
348 		got_ref_close(head_ref);
349 		if (error != NULL)
350 			goto done;
351 
352 		error = got_object_open_as_commit(&commit, repo, id);
353 	} else {
354 		struct got_reference *ref;
355 		error = got_ref_open(&ref, repo, start_commit, 0);
356 		if (error == NULL) {
357 			int obj_type;
358 			error = got_ref_resolve(&id, repo, ref);
359 			got_ref_close(ref);
360 			if (error != NULL)
361 				goto done;
362 			error = got_object_get_type(&obj_type, repo, id);
363 			if (error != NULL)
364 				goto done;
365 			if (obj_type == GOT_OBJ_TYPE_TAG) {
366 				struct got_tag_object *tag;
367 				error = got_object_open_as_tag(&tag, repo, id);
368 				if (error != NULL)
369 					goto done;
370 				if (got_object_tag_get_object_type(tag) !=
371 				    GOT_OBJ_TYPE_COMMIT) {
372 					got_object_tag_close(tag);
373 					error = got_error(GOT_ERR_OBJ_TYPE);
374 					goto done;
375 				}
376 				free(id);
377 				id = got_object_id_dup(
378 				    got_object_tag_get_object_id(tag));
379 				if (id == NULL)
380 					error = got_error_from_errno(
381 					    "got_object_id_dup");
382 				got_object_tag_close(tag);
383 				if (error)
384 					goto done;
385 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
386 				error = got_error(GOT_ERR_OBJ_TYPE);
387 				goto done;
388 			}
389 			error = got_object_open_as_commit(&commit, repo, id);
390 			if (error != NULL)
391 				goto done;
392 		}
393 		if (commit == NULL) {
394 			error = got_repo_match_object_id_prefix(&id,
395 			    start_commit, GOT_OBJ_TYPE_COMMIT, repo);
396 			if (error != NULL)
397 				goto done;
398 		}
399 		error = got_repo_match_object_id_prefix(&id,
400 			    start_commit, GOT_OBJ_TYPE_COMMIT, repo);
401 			if (error != NULL)
402 				goto done;
403 	}
404 
405 	error = got_object_open_as_commit(&commit, repo, id);
406 	if (error != NULL)
407 		goto done;
408 
409 	error = got_repo_map_path(&in_repo_path, repo, gw_trans->repo_path, 1);
410 	if (error != NULL)
411 		goto done;
412 
413 	if (in_repo_path) {
414 		free(path);
415 		path = in_repo_path;
416 	}
417 
418 	error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
419 	if (error)
420 		goto done;
421 
422 	error = got_commit_graph_open(&graph, path, 0);
423 	if (error)
424 		goto done;
425 
426 	error = got_commit_graph_iter_start(graph, id, repo, NULL, NULL);
427 	if (error)
428 		goto done;
429 
430 	for (;;) {
431 		error = got_commit_graph_iter_next(&id, graph, repo, NULL,
432 		    NULL);
433 		if (error) {
434 			if (error->code == GOT_ERR_ITER_COMPLETED)
435 				error = NULL;
436 			break;
437 		}
438 		if (id == NULL)
439 			break;
440 
441 		if (error)
442 			break;
443 		log_count++;
444 	}
445 done:
446 	if (graph)
447 		got_commit_graph_close(graph);
448 	if (repo) {
449 		error = got_repo_close(repo);
450 		if (error != NULL)
451 			return 0;
452 	}
453 	if (error) {
454 		khttp_puts(gw_trans->gw_req, "Error: ");
455 		khttp_puts(gw_trans->gw_req, error->msg);
456 		return 0;
457 	} else
458 		return log_count;
459 }
460 
461 static const struct got_error *
462 gw_blame(struct trans *gw_trans)
463 {
464 	const struct got_error *error = NULL;
465 
466 	return error;
467 }
468 
469 static const struct got_error *
470 gw_blob(struct trans *gw_trans)
471 {
472 	const struct got_error *error = NULL;
473 
474 	return error;
475 }
476 
477 static const struct got_error *
478 gw_blobdiff(struct trans *gw_trans)
479 {
480 	const struct got_error *error = NULL;
481 
482 	return error;
483 }
484 
485 static const struct got_error *
486 gw_commit(struct trans *gw_trans)
487 {
488 	const struct got_error *error = NULL;
489 	char *log, *log_html;
490 
491 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
492 	if (error)
493 		return error;
494 
495 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit, 1, LOGCOMMIT);
496 
497 	if (log != NULL && strcmp(log, "") != 0) {
498 		if ((asprintf(&log_html, log_commit, log)) == -1)
499 			return got_error_from_errno("asprintf");
500 		khttp_puts(gw_trans->gw_req, log_html);
501 		free(log_html);
502 		free(log);
503 	}
504 	return error;
505 }
506 
507 static const struct got_error *
508 gw_commitdiff(struct trans *gw_trans)
509 {
510 	const struct got_error *error = NULL;
511 	char *log, *log_html;
512 
513 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
514 	if (error)
515 		return error;
516 
517 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit, 1, LOGDIFF);
518 
519 	if (log != NULL && strcmp(log, "") != 0) {
520 		if ((asprintf(&log_html, log_diff, log)) == -1)
521 			return got_error_from_errno("asprintf");
522 		khttp_puts(gw_trans->gw_req, log_html);
523 		free(log_html);
524 		free(log);
525 	}
526 	return error;
527 }
528 
529 static const struct got_error *
530 gw_history(struct trans *gw_trans)
531 {
532 	const struct got_error *error = NULL;
533 
534 	return error;
535 }
536 
537 static const struct got_error *
538 gw_index(struct trans *gw_trans)
539 {
540 	const struct got_error *error = NULL;
541 	struct gw_dir *gw_dir = NULL;
542 	char *html, *navs, *next, *prev;
543 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
544 
545 	error = apply_unveil(gw_trans->gw_conf->got_repos_path, NULL);
546 	if (error)
547 		return error;
548 
549 	error = gw_load_got_paths(gw_trans);
550 	if (error)
551 		return error;
552 
553 	khttp_puts(gw_trans->gw_req, index_projects_header);
554 
555 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
556 		dir_c++;
557 
558 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
559 		if (gw_trans->page > 0 && (gw_trans->page *
560 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
561 			prev_disp++;
562 			continue;
563 		}
564 
565 		prev_disp++;
566 		if((asprintf(&navs, index_navs, gw_dir->name, gw_dir->name,
567 		    gw_dir->name, gw_dir->name)) == -1)
568 			return got_error_from_errno("asprintf");
569 
570 		if ((asprintf(&html, index_projects, gw_dir->name, gw_dir->name,
571 		    gw_dir->description, gw_dir->owner, gw_dir->age,
572 		    navs)) == -1)
573 			return got_error_from_errno("asprintf");
574 
575 		khttp_puts(gw_trans->gw_req, html);
576 
577 		free(navs);
578 		free(html);
579 
580 		if (gw_trans->gw_conf->got_max_repos_display == 0)
581 			continue;
582 
583 		if (next_disp == gw_trans->gw_conf->got_max_repos_display)
584 			khttp_puts(gw_trans->gw_req, np_wrapper_start);
585 		else if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
586 		    (gw_trans->page > 0) &&
587 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
588 		    prev_disp == gw_trans->repos_total))
589 			khttp_puts(gw_trans->gw_req, np_wrapper_start);
590 
591 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
592 		    (gw_trans->page > 0) &&
593 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
594 		    prev_disp == gw_trans->repos_total)) {
595 			if ((asprintf(&prev, nav_prev,
596 			    gw_trans->page - 1)) == -1)
597 				return got_error_from_errno("asprintf");
598 			khttp_puts(gw_trans->gw_req, prev);
599 			free(prev);
600 		}
601 
602 		khttp_puts(gw_trans->gw_req, div_end);
603 
604 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
605 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
606 		    dir_c != (gw_trans->page + 1) *
607 		    gw_trans->gw_conf->got_max_repos_display) {
608 			if ((asprintf(&next, nav_next,
609 			    gw_trans->page + 1)) == -1)
610 				return got_error_from_errno("calloc");
611 			khttp_puts(gw_trans->gw_req, next);
612 			khttp_puts(gw_trans->gw_req, div_end);
613 			free(next);
614 			next_disp = 0;
615 			break;
616 		}
617 
618 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
619 		    (gw_trans->page > 0) &&
620 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
621 		    prev_disp == gw_trans->repos_total))
622 			khttp_puts(gw_trans->gw_req, div_end);
623 
624 		next_disp++;
625 	}
626 	return error;
627 }
628 
629 static const struct got_error *
630 gw_log(struct trans *gw_trans)
631 {
632 	const struct got_error *error = NULL;
633 	char *log, *log_html;
634 
635 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
636 	if (error)
637 		return error;
638 
639 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit,
640 	    gw_trans->gw_conf->got_max_commits_display, LOGFULL);
641 
642 	if (log != NULL && strcmp(log, "") != 0) {
643 		if ((asprintf(&log_html, logs, log)) == -1)
644 			return got_error_from_errno("asprintf");
645 		khttp_puts(gw_trans->gw_req, log_html);
646 		free(log_html);
647 		free(log);
648 	}
649 	return error;
650 }
651 
652 static const struct got_error *
653 gw_raw(struct trans *gw_trans)
654 {
655 	const struct got_error *error = NULL;
656 
657 	return error;
658 }
659 
660 static const struct got_error *
661 gw_logbriefs(struct trans *gw_trans)
662 {
663 	const struct got_error *error = NULL;
664 	char *log, *log_html;
665 
666 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
667 	if (error)
668 		return error;
669 
670 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit,
671 	    gw_trans->gw_conf->got_max_commits_display, LOGBRIEF);
672 
673 	if (log != NULL && strcmp(log, "") != 0) {
674 		if ((asprintf(&log_html, summary_logbriefs,
675 		    log)) == -1)
676 			return got_error_from_errno("asprintf");
677 		khttp_puts(gw_trans->gw_req, log_html);
678 		free(log_html);
679 		free(log);
680 	}
681 	return error;
682 }
683 
684 static const struct got_error *
685 gw_snapshot(struct trans *gw_trans)
686 {
687 	const struct got_error *error = NULL;
688 
689 	return error;
690 }
691 
692 static const struct got_error *
693 gw_summary(struct trans *gw_trans)
694 {
695 	const struct got_error *error = NULL;
696 	char *description_html, *repo_owner_html, *repo_age_html,
697 	     *cloneurl_html, *log, *log_html, *tags, *heads, *tags_html,
698 	     *heads_html, *age;
699 
700 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
701 	if (error)
702 		return error;
703 
704 	khttp_puts(gw_trans->gw_req, summary_wrapper);
705 	if (gw_trans->gw_conf->got_show_repo_description) {
706 		if (gw_trans->gw_dir->description != NULL &&
707 		    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
708 			if ((asprintf(&description_html, description,
709 			    gw_trans->gw_dir->description)) == -1)
710 				return got_error_from_errno("asprintf");
711 
712 			khttp_puts(gw_trans->gw_req, description_html);
713 			free(description_html);
714 		}
715 	}
716 
717 	if (gw_trans->gw_conf->got_show_repo_owner) {
718 		if (gw_trans->gw_dir->owner != NULL &&
719 		    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
720 			if ((asprintf(&repo_owner_html, repo_owner,
721 			    gw_trans->gw_dir->owner)) == -1)
722 				return got_error_from_errno("asprintf");
723 
724 			khttp_puts(gw_trans->gw_req, repo_owner_html);
725 			free(repo_owner_html);
726 		}
727 	}
728 
729 	if (gw_trans->gw_conf->got_show_repo_age) {
730 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path,
731 		    "refs/heads", TM_LONG);
732 		if (age != NULL && (strcmp(age, "") != 0)) {
733 			if ((asprintf(&repo_age_html, last_change, age)) == -1)
734 				return got_error_from_errno("asprintf");
735 
736 			khttp_puts(gw_trans->gw_req, repo_age_html);
737 			free(repo_age_html);
738 			free(age);
739 		}
740 	}
741 
742 	if (gw_trans->gw_conf->got_show_repo_cloneurl) {
743 		if (gw_trans->gw_dir->url != NULL &&
744 		    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
745 			if ((asprintf(&cloneurl_html, cloneurl,
746 			    gw_trans->gw_dir->url)) == -1)
747 				return got_error_from_errno("asprintf");
748 
749 			khttp_puts(gw_trans->gw_req, cloneurl_html);
750 			free(cloneurl_html);
751 		}
752 	}
753 	khttp_puts(gw_trans->gw_req, div_end);
754 
755 	log = gw_get_repo_log(gw_trans, NULL, NULL, D_MAXSLCOMMDISP, 0);
756 	tags = gw_get_repo_tags(gw_trans, D_MAXSLCOMMDISP, TAGBRIEF);
757 	heads = gw_get_repo_heads(gw_trans);
758 
759 	if (log != NULL && strcmp(log, "") != 0) {
760 		if ((asprintf(&log_html, summary_logbriefs,
761 		    log)) == -1)
762 			return got_error_from_errno("asprintf");
763 		khttp_puts(gw_trans->gw_req, log_html);
764 		free(log_html);
765 		free(log);
766 	}
767 
768 	if (tags != NULL && strcmp(tags, "") != 0) {
769 		if ((asprintf(&tags_html, summary_tags,
770 		    tags)) == -1)
771 			return got_error_from_errno("asprintf");
772 		khttp_puts(gw_trans->gw_req, tags_html);
773 		free(tags_html);
774 		free(tags);
775 	}
776 
777 	if (heads != NULL && strcmp(heads, "") != 0) {
778 		if ((asprintf(&heads_html, summary_heads,
779 		    heads)) == -1)
780 			return got_error_from_errno("asprintf");
781 		khttp_puts(gw_trans->gw_req, heads_html);
782 		free(heads_html);
783 		free(heads);
784 	}
785 	return error;
786 }
787 
788 static const struct got_error *
789 gw_tag(struct trans *gw_trans)
790 {
791 	const struct got_error *error = NULL;
792 	char *log, *log_html;
793 
794 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
795 	if (error)
796 		return error;
797 
798 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit, 1, LOGTAG);
799 
800 	if (log != NULL && strcmp(log, "") != 0) {
801 		if ((asprintf(&log_html, log_tag, log)) == -1)
802 			return got_error_from_errno("asprintf");
803 		khttp_puts(gw_trans->gw_req, log_html);
804 		free(log_html);
805 		free(log);
806 	}
807 	return error;
808 }
809 
810 static const struct got_error *
811 gw_tree(struct trans *gw_trans)
812 {
813 	const struct got_error *error = NULL;
814 	char *log, *log_html;
815 
816 	error = apply_unveil(gw_trans->gw_dir->path, NULL);
817 	if (error)
818 		return error;
819 
820 	log = gw_get_repo_log(gw_trans, NULL, gw_trans->commit, 1, LOGTREE);
821 
822 	if (log != NULL && strcmp(log, "") != 0) {
823 		if ((asprintf(&log_html, log_tree, log)) == -1)
824 			return got_error_from_errno("asprintf");
825 		khttp_puts(gw_trans->gw_req, log_html);
826 		free(log_html);
827 		free(log);
828 	}
829 	return error;
830 }
831 
832 static const struct got_error *
833 gw_load_got_path(struct trans *gw_trans, struct gw_dir *gw_dir)
834 {
835 	const struct got_error *error = NULL;
836 	DIR *dt;
837 	char *dir_test;
838 	int opened = 0;
839 
840 	if ((asprintf(&dir_test, "%s/%s/%s",
841 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
842 	    GOTWEB_GIT_DIR)) == -1)
843 		return got_error_from_errno("asprintf");
844 
845 	dt = opendir(dir_test);
846 	if (dt == NULL) {
847 		free(dir_test);
848 	} else {
849 		gw_dir->path = strdup(dir_test);
850 		opened = 1;
851 		goto done;
852 	}
853 
854 	if ((asprintf(&dir_test, "%s/%s/%s",
855 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
856 	    GOTWEB_GOT_DIR)) == -1)
857 		return got_error_from_errno("asprintf");
858 
859 	dt = opendir(dir_test);
860 	if (dt == NULL)
861 		free(dir_test);
862 	else {
863 		opened = 1;
864 		error = got_error(GOT_ERR_NOT_GIT_REPO);
865 		goto errored;
866 	}
867 
868 	if ((asprintf(&dir_test, "%s/%s",
869 	    gw_trans->gw_conf->got_repos_path, gw_dir->name)) == -1)
870 		return got_error_from_errno("asprintf");
871 
872 	gw_dir->path = strdup(dir_test);
873 
874 done:
875 	gw_dir->description = gw_get_repo_description(gw_trans,
876 	    gw_dir->path);
877 	gw_dir->owner = gw_get_repo_owner(gw_trans, gw_dir->path);
878 	gw_dir->age = gw_get_repo_age(gw_trans, gw_dir->path, "refs/heads",
879 	    TM_DIFF);
880 	gw_dir->url = gw_get_clone_url(gw_trans, gw_dir->path);
881 
882 errored:
883 	free(dir_test);
884 	if (opened)
885 		closedir(dt);
886 	return error;
887 }
888 
889 static const struct got_error *
890 gw_load_got_paths(struct trans *gw_trans)
891 {
892 	const struct got_error *error = NULL;
893 	DIR *d;
894 	struct dirent **sd_dent;
895 	struct gw_dir *gw_dir;
896 	struct stat st;
897 	unsigned int d_cnt, d_i;
898 
899 	d = opendir(gw_trans->gw_conf->got_repos_path);
900 	if (d == NULL) {
901 		error = got_error_from_errno2("opendir",
902 		    gw_trans->gw_conf->got_repos_path);
903 		return error;
904 	}
905 
906 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
907 	    alphasort);
908 	if (d_cnt == -1) {
909 		error = got_error_from_errno2("scandir",
910 		    gw_trans->gw_conf->got_repos_path);
911 		return error;
912 	}
913 
914 	for (d_i = 0; d_i < d_cnt; d_i++) {
915 		if (gw_trans->gw_conf->got_max_repos > 0 &&
916 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
917 			break; /* account for parent and self */
918 
919 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
920 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
921 			continue;
922 
923 		if ((gw_dir = gw_init_gw_dir(sd_dent[d_i]->d_name)) == NULL)
924 			return got_error_from_errno("gw_dir malloc");
925 
926 		error = gw_load_got_path(gw_trans, gw_dir);
927 		if (error && error->code == GOT_ERR_NOT_GIT_REPO)
928 			continue;
929 		else if (error)
930 			return error;
931 
932 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
933 		    !got_path_dir_is_empty(gw_dir->path)) {
934 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
935 			    entry);
936 			gw_trans->repos_total++;
937 		}
938 	}
939 
940 	closedir(d);
941 	return error;
942 }
943 
944 static const struct got_error *
945 gw_parse_querystring(struct trans *gw_trans)
946 {
947 	const struct got_error *error = NULL;
948 	struct kpair *p;
949 	struct gw_query_action *action = NULL;
950 	unsigned int i;
951 
952 	if (gw_trans->gw_req->fieldnmap[0]) {
953 		error = got_error_from_errno("bad parse");
954 		return error;
955 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
956 		/* define gw_trans->repo_path */
957 		if ((asprintf(&gw_trans->repo_name, "%s", p->parsed.s)) == -1)
958 			return got_error_from_errno("asprintf");
959 
960 		if ((asprintf(&gw_trans->repo_path, "%s/%s",
961 		    gw_trans->gw_conf->got_repos_path, p->parsed.s)) == -1)
962 			return got_error_from_errno("asprintf");
963 
964  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID]))
965 			if ((asprintf(&gw_trans->commit, "%s",
966 			    p->parsed.s)) == -1)
967 				return got_error_from_errno("asprintf");
968 
969 		/* get action and set function */
970 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION]))
971 			for (i = 0; i < nitems(gw_query_funcs); i++) {
972 				action = &gw_query_funcs[i];
973 				if (action->func_name == NULL)
974 					continue;
975 
976 				if (strcmp(action->func_name,
977 				    p->parsed.s) == 0) {
978 					gw_trans->action = i;
979 					if ((asprintf(&gw_trans->action_name,
980 					    "%s", action->func_name)) == -1)
981 						return
982 						    got_error_from_errno(
983 						    "asprintf");
984 
985 					break;
986 				}
987 
988 				action = NULL;
989 			}
990 
991 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
992 			if ((asprintf(&gw_trans->repo_file, "%s",
993 			    p->parsed.s)) == -1)
994 				return got_error_from_errno("asprintf");
995 
996 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
997 			if ((asprintf(&gw_trans->headref, "%s",
998 			    p->parsed.s)) == -1)
999 				return got_error_from_errno("asprintf");
1000 
1001 		if (action == NULL) {
1002 			error = got_error_from_errno("invalid action");
1003 			return error;
1004 		}
1005 		if ((gw_trans->gw_dir =
1006 		    gw_init_gw_dir(gw_trans->repo_name)) == NULL)
1007 			return got_error_from_errno("gw_dir malloc");
1008 
1009 		error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
1010 		if (error)
1011 			return error;
1012 	} else
1013 		gw_trans->action = GW_INDEX;
1014 
1015 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
1016 		gw_trans->page = p->parsed.i;
1017 
1018 	if (gw_trans->action == GW_RAW)
1019 		gw_trans->mime = KMIME_TEXT_PLAIN;
1020 
1021 	return error;
1022 }
1023 
1024 static struct gw_dir *
1025 gw_init_gw_dir(char *dir)
1026 {
1027 	struct gw_dir *gw_dir;
1028 
1029 	if ((gw_dir = malloc(sizeof(*gw_dir))) == NULL)
1030 		return NULL;
1031 
1032 	if ((asprintf(&gw_dir->name, "%s", dir)) == -1)
1033 		return NULL;
1034 
1035 	return gw_dir;
1036 }
1037 
1038 static const struct got_error*
1039 match_logmsg(int *have_match, struct got_object_id *id,
1040     struct got_commit_object *commit, regex_t *regex)
1041 {
1042 	const struct got_error *err = NULL;
1043 	regmatch_t regmatch;
1044 	char *id_str = NULL, *logmsg = NULL;
1045 
1046 	*have_match = 0;
1047 
1048 	err = got_object_id_str(&id_str, id);
1049 	if (err)
1050 		return err;
1051 
1052 	err = got_object_commit_get_logmsg(&logmsg, commit);
1053 	if (err)
1054 		goto done;
1055 
1056 	if (regexec(regex, logmsg, 1, &regmatch, 0) == 0)
1057 		*have_match = 1;
1058 done:
1059 	free(id_str);
1060 	free(logmsg);
1061 	return err;
1062 }
1063 
1064 static void
1065 gw_display_open(struct trans *gw_trans, enum khttp code, enum kmime mime)
1066 {
1067 	khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
1068 	khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
1069 	    khttps[code]);
1070 	khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
1071 	    kmimetypes[mime]);
1072 	khttp_head(gw_trans->gw_req, "X-Content-Type-Options", "nosniff");
1073 	khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
1074 	khttp_head(gw_trans->gw_req, "X-XSS-Protection", "1; mode=block");
1075 	khttp_body(gw_trans->gw_req);
1076 }
1077 
1078 static void
1079 gw_display_index(struct trans *gw_trans, const struct got_error *err)
1080 {
1081 	gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
1082 	khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
1083 
1084 	if (err)
1085 		khttp_puts(gw_trans->gw_req, err->msg);
1086 	else
1087 		khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
1088 		    gw_query_funcs[gw_trans->action].template);
1089 
1090 	khtml_close(gw_trans->gw_html_req);
1091 }
1092 
1093 static int
1094 gw_template(size_t key, void *arg)
1095 {
1096 	const struct got_error *error = NULL;
1097 	struct trans *gw_trans = arg;
1098 	char *gw_got_link, *gw_site_link;
1099 	char *site_owner_name, *site_owner_name_h;
1100 
1101 	switch (key) {
1102 	case (TEMPL_HEAD):
1103 		khttp_puts(gw_trans->gw_req, head);
1104 		break;
1105 	case(TEMPL_HEADER):
1106 		gw_got_link = gw_get_got_link(gw_trans);
1107 		if (gw_got_link != NULL)
1108 			khttp_puts(gw_trans->gw_req, gw_got_link);
1109 
1110 		free(gw_got_link);
1111 		break;
1112 	case (TEMPL_SITEPATH):
1113 		gw_site_link = gw_get_site_link(gw_trans);
1114 		if (gw_site_link != NULL)
1115 			khttp_puts(gw_trans->gw_req, gw_site_link);
1116 
1117 		free(gw_site_link);
1118 		break;
1119 	case(TEMPL_TITLE):
1120 		if (gw_trans->gw_conf->got_site_name != NULL)
1121 			khtml_puts(gw_trans->gw_html_req,
1122 			    gw_trans->gw_conf->got_site_name);
1123 
1124 		break;
1125 	case (TEMPL_SEARCH):
1126 		khttp_puts(gw_trans->gw_req, search);
1127 		break;
1128 	case(TEMPL_SITEOWNER):
1129 		if (gw_trans->gw_conf->got_site_owner != NULL &&
1130 		    gw_trans->gw_conf->got_show_site_owner) {
1131 			site_owner_name =
1132 			    gw_html_escape(gw_trans->gw_conf->got_site_owner);
1133 			if ((asprintf(&site_owner_name_h, site_owner,
1134 			    site_owner_name))
1135 			    == -1)
1136 				return 0;
1137 
1138 			khttp_puts(gw_trans->gw_req, site_owner_name_h);
1139 			free(site_owner_name);
1140 			free(site_owner_name_h);
1141 		}
1142 		break;
1143 	case(TEMPL_CONTENT):
1144 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
1145 		if (error)
1146 			khttp_puts(gw_trans->gw_req, error->msg);
1147 
1148 		break;
1149 	default:
1150 		return 0;
1151 		break;
1152 	}
1153 	return 1;
1154 }
1155 
1156 static char *
1157 gw_get_repo_description(struct trans *gw_trans, char *dir)
1158 {
1159 	FILE *f;
1160 	char *description = NULL, *d_file = NULL;
1161 	unsigned int len;
1162 
1163 	if (gw_trans->gw_conf->got_show_repo_description == false)
1164 		goto err;
1165 
1166 	if ((asprintf(&d_file, "%s/description", dir)) == -1)
1167 		goto err;
1168 
1169 	if ((f = fopen(d_file, "r")) == NULL)
1170 		goto err;
1171 
1172 	fseek(f, 0, SEEK_END);
1173 	len = ftell(f) + 1;
1174 	fseek(f, 0, SEEK_SET);
1175 	if ((description = calloc(len, sizeof(char *))) == NULL)
1176 		goto err;
1177 
1178 	fread(description, 1, len, f);
1179 	fclose(f);
1180 	free(d_file);
1181 	return description;
1182 err:
1183 	if ((asprintf(&description, "%s", "")) == -1)
1184 		return NULL;
1185 
1186 	return description;
1187 }
1188 
1189 static char *
1190 gw_get_time_str(time_t committer_time, int ref_tm)
1191 {
1192 	struct tm tm;
1193 	time_t diff_time;
1194 	char *years = "years ago", *months = "months ago";
1195 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
1196 	char *minutes = "minutes ago", *seconds = "seconds ago";
1197 	char *now = "right now";
1198 	char *repo_age, *s;
1199 	char datebuf[29];
1200 
1201 	switch (ref_tm) {
1202 	case TM_DIFF:
1203 		diff_time = time(NULL) - committer_time;
1204 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
1205 			if ((asprintf(&repo_age, "%lld %s",
1206 			    (diff_time / 60 / 60 / 24 / 365), years)) == -1)
1207 				return NULL;
1208 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
1209 			if ((asprintf(&repo_age, "%lld %s",
1210 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
1211 			    months)) == -1)
1212 				return NULL;
1213 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
1214 			if ((asprintf(&repo_age, "%lld %s",
1215 			    (diff_time / 60 / 60 / 24 / 7), weeks)) == -1)
1216 				return NULL;
1217 		} else if (diff_time > 60 * 60 * 24 * 2) {
1218 			if ((asprintf(&repo_age, "%lld %s",
1219 			    (diff_time / 60 / 60 / 24), days)) == -1)
1220 				return NULL;
1221 		} else if (diff_time > 60 * 60 * 2) {
1222 			if ((asprintf(&repo_age, "%lld %s",
1223 			    (diff_time / 60 / 60), hours)) == -1)
1224 				return NULL;
1225 		} else if (diff_time > 60 * 2) {
1226 			if ((asprintf(&repo_age, "%lld %s", (diff_time / 60),
1227 			    minutes)) == -1)
1228 				return NULL;
1229 		} else if (diff_time > 2) {
1230 			if ((asprintf(&repo_age, "%lld %s", diff_time,
1231 			    seconds)) == -1)
1232 				return NULL;
1233 		} else {
1234 			if ((asprintf(&repo_age, "%s", now)) == -1)
1235 				return NULL;
1236 		}
1237 		break;
1238 	case TM_LONG:
1239 		if (gmtime_r(&committer_time, &tm) == NULL)
1240 			return NULL;
1241 
1242 		s = asctime_r(&tm, datebuf);
1243 		if (s == NULL)
1244 			return NULL;
1245 
1246 		if ((asprintf(&repo_age, "%s UTC", datebuf)) == -1)
1247 			return NULL;
1248 		break;
1249 	}
1250 	return repo_age;
1251 }
1252 
1253 static char *
1254 gw_get_repo_age(struct trans *gw_trans, char *dir, char *repo_ref, int ref_tm)
1255 {
1256 	const struct got_error *error = NULL;
1257 	struct got_object_id *id = NULL;
1258 	struct got_repository *repo = NULL;
1259 	struct got_commit_object *commit = NULL;
1260 	struct got_reflist_head refs;
1261 	struct got_reflist_entry *re;
1262 	struct got_reference *head_ref;
1263 	int is_head = 0;
1264 	time_t committer_time = 0, cmp_time = 0;
1265 	const char *refname;
1266 	char *repo_age = NULL;
1267 
1268 	if (repo_ref == NULL)
1269 		return NULL;
1270 
1271 	if (strncmp(repo_ref, "refs/heads/", 11) == 0)
1272 		is_head = 1;
1273 
1274 	SIMPLEQ_INIT(&refs);
1275 	if (gw_trans->gw_conf->got_show_repo_age == false) {
1276 		if ((asprintf(&repo_age, "")) == -1)
1277 			return NULL;
1278 		return repo_age;
1279 	}
1280 
1281 	error = got_repo_open(&repo, dir, NULL);
1282 	if (error != NULL)
1283 		goto err;
1284 
1285 	if (is_head)
1286 		error = got_ref_list(&refs, repo, "refs/heads",
1287 		    got_ref_cmp_by_name, NULL);
1288 	else
1289 		error = got_ref_list(&refs, repo, repo_ref,
1290 		    got_ref_cmp_by_name, NULL);
1291 	if (error != NULL)
1292 		goto err;
1293 
1294 	SIMPLEQ_FOREACH(re, &refs, entry) {
1295 		if (is_head)
1296 			refname = strdup(repo_ref);
1297 		else
1298 			refname = got_ref_get_name(re->ref);
1299 		error = got_ref_open(&head_ref, repo, refname, 0);
1300 		if (error != NULL)
1301 			goto err;
1302 
1303 		error = got_ref_resolve(&id, repo, head_ref);
1304 		got_ref_close(head_ref);
1305 		if (error != NULL)
1306 			goto err;
1307 
1308 		error = got_object_open_as_commit(&commit, repo, id);
1309 		if (error != NULL)
1310 			goto err;
1311 
1312 		committer_time =
1313 		    got_object_commit_get_committer_time(commit);
1314 
1315 		if (cmp_time < committer_time)
1316 			cmp_time = committer_time;
1317 	}
1318 
1319 	if (cmp_time != 0) {
1320 		committer_time = cmp_time;
1321 		repo_age = gw_get_time_str(committer_time, ref_tm);
1322 	} else
1323 		if ((asprintf(&repo_age, "")) == -1)
1324 			return NULL;
1325 	got_ref_list_free(&refs);
1326 	free(id);
1327 	return repo_age;
1328 err:
1329 	if ((asprintf(&repo_age, "%s", error->msg)) == -1)
1330 		return NULL;
1331 
1332 	return repo_age;
1333 }
1334 
1335 static char *
1336 gw_get_repo_owner(struct trans *gw_trans, char *dir)
1337 {
1338 	FILE *f;
1339 	char *owner = NULL, *d_file = NULL;
1340 	char *gotweb = "[gotweb]", *gitweb = "[gitweb]", *gw_owner = "owner";
1341 	char *comp, *pos, *buf;
1342 	unsigned int i;
1343 
1344 	if (gw_trans->gw_conf->got_show_repo_owner == false)
1345 		goto err;
1346 
1347 	if ((asprintf(&d_file, "%s/config", dir)) == -1)
1348 		goto err;
1349 
1350 	if ((f = fopen(d_file, "r")) == NULL)
1351 		goto err;
1352 
1353 	if ((buf = calloc(128, sizeof(char *))) == NULL)
1354 		goto err;
1355 
1356 	while ((fgets(buf, 128, f)) != NULL) {
1357 		if ((pos = strstr(buf, gotweb)) != NULL)
1358 			break;
1359 
1360 		if ((pos = strstr(buf, gitweb)) != NULL)
1361 			break;
1362 	}
1363 
1364 	if (pos == NULL)
1365 		goto err;
1366 
1367 	do {
1368 		fgets(buf, 128, f);
1369 	} while ((comp = strcasestr(buf, gw_owner)) == NULL);
1370 
1371 	if (comp == NULL)
1372 		goto err;
1373 
1374 	if (strncmp(gw_owner, comp, strlen(gw_owner)) != 0)
1375 		goto err;
1376 
1377 	for (i = 0; i < 2; i++) {
1378 		owner = strsep(&buf, "\"");
1379 	}
1380 
1381 	if (owner == NULL)
1382 		goto err;
1383 
1384 	fclose(f);
1385 	free(d_file);
1386 	return owner;
1387 err:
1388 	if ((asprintf(&owner, "%s", "")) == -1)
1389 		return NULL;
1390 
1391 	return owner;
1392 }
1393 
1394 static char *
1395 gw_get_clone_url(struct trans *gw_trans, char *dir)
1396 {
1397 	FILE *f;
1398 	char *url = NULL, *d_file = NULL;
1399 	unsigned int len;
1400 
1401 	if ((asprintf(&d_file, "%s/cloneurl", dir)) == -1)
1402 		return NULL;
1403 
1404 	if ((f = fopen(d_file, "r")) == NULL)
1405 		return NULL;
1406 
1407 	fseek(f, 0, SEEK_END);
1408 	len = ftell(f) + 1;
1409 	fseek(f, 0, SEEK_SET);
1410 
1411 	if ((url = calloc(len, sizeof(char *))) == NULL)
1412 		return NULL;
1413 
1414 	fread(url, 1, len, f);
1415 	fclose(f);
1416 	free(d_file);
1417 	return url;
1418 }
1419 
1420 static char *
1421 gw_get_repo_log(struct trans *gw_trans, const char *search_pattern,
1422     char *start_commit, int limit, int log_type)
1423 {
1424 	const struct got_error *error;
1425 	struct got_repository *repo = NULL;
1426 	struct got_reflist_head refs;
1427 	struct got_reflist_entry *re;
1428 	struct got_commit_object *commit = NULL;
1429 	struct got_object_id *id1 = NULL, *id2 = NULL;
1430 	struct got_object_qid *parent_id;
1431 	struct got_commit_graph *graph = NULL;
1432 	char *logs = NULL, *id_str1 = NULL, *id_str2 = NULL, *path = NULL,
1433 	     *in_repo_path = NULL, *refs_str = NULL, *refs_str_disp = NULL,
1434 	     *treeid = NULL, *commit_row = NULL, *commit_commit = NULL,
1435 	     *commit_commit_disp = NULL, *commit_age_diff = NULL,
1436 	     *commit_age_diff_disp = NULL, *commit_age_long = NULL,
1437 	     *commit_age_long_disp = NULL, *commit_author = NULL,
1438 	     *commit_author_disp = NULL, *commit_committer = NULL,
1439 	     *commit_committer_disp = NULL, *commit_log = NULL,
1440 	     *commit_log_disp = NULL, *commit_parent = NULL,
1441 	     *commit_diff_disp = NULL, *logbriefs_navs_html = NULL,
1442 	     *log_tree_html = NULL, *log_commit_html = NULL,
1443 	     *log_diff_html = NULL, *commit_tree = NULL,
1444 	     *commit_tree_disp = NULL, *log_tag_html = NULL;
1445 	char *commit_log0, *newline;
1446 	regex_t regex;
1447 	int have_match, log_count = 0;
1448 	size_t newsize;
1449 	struct buf *diffbuf = NULL;
1450 	time_t committer_time;
1451 
1452 	if (gw_trans->action == GW_LOG || gw_trans->action == GW_LOGBRIEFS)
1453 		log_count = gw_get_repo_log_count(gw_trans, start_commit);
1454 
1455 	error = buf_alloc(&diffbuf, 0);
1456 	if (error != NULL)
1457 		return NULL;
1458 
1459 	if (search_pattern &&
1460 	    regcomp(&regex, search_pattern, REG_EXTENDED | REG_NOSUB |
1461 	    REG_NEWLINE))
1462 		return NULL;
1463 
1464 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
1465 	if (error != NULL)
1466 		return NULL;
1467 
1468 	SIMPLEQ_INIT(&refs);
1469 
1470 	if (start_commit == NULL) {
1471 		struct got_reference *head_ref;
1472 		error = got_ref_open(&head_ref, repo, gw_trans->headref, 0);
1473 		if (error != NULL)
1474 			goto done;
1475 
1476 		error = got_ref_resolve(&id1, repo, head_ref);
1477 		got_ref_close(head_ref);
1478 		if (error != NULL)
1479 			goto done;
1480 
1481 		error = got_object_open_as_commit(&commit, repo, id1);
1482 	} else {
1483 		struct got_reference *ref;
1484 		error = got_ref_open(&ref, repo, start_commit, 0);
1485 		if (error == NULL) {
1486 			int obj_type;
1487 			error = got_ref_resolve(&id1, repo, ref);
1488 			got_ref_close(ref);
1489 			if (error != NULL)
1490 				goto done;
1491 			error = got_object_get_type(&obj_type, repo, id1);
1492 			if (error != NULL)
1493 				goto done;
1494 			if (obj_type == GOT_OBJ_TYPE_TAG) {
1495 				struct got_tag_object *tag;
1496 				error = got_object_open_as_tag(&tag, repo, id1);
1497 				if (error != NULL)
1498 					goto done;
1499 				if (got_object_tag_get_object_type(tag) !=
1500 				    GOT_OBJ_TYPE_COMMIT) {
1501 					got_object_tag_close(tag);
1502 					error = got_error(GOT_ERR_OBJ_TYPE);
1503 					goto done;
1504 				}
1505 				free(id1);
1506 				id1 = got_object_id_dup(
1507 				    got_object_tag_get_object_id(tag));
1508 				if (id1 == NULL)
1509 					error = got_error_from_errno(
1510 					    "got_object_id_dup");
1511 				got_object_tag_close(tag);
1512 				if (error)
1513 					goto done;
1514 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
1515 				error = got_error(GOT_ERR_OBJ_TYPE);
1516 				goto done;
1517 			}
1518 			error = got_object_open_as_commit(&commit, repo, id1);
1519 			if (error != NULL)
1520 				goto done;
1521 		}
1522 		if (commit == NULL) {
1523 			error = got_repo_match_object_id_prefix(&id1,
1524 			    start_commit, GOT_OBJ_TYPE_COMMIT, repo);
1525 			if (error != NULL)
1526 				goto done;
1527 		}
1528 		error = got_repo_match_object_id_prefix(&id1,
1529 			    start_commit, GOT_OBJ_TYPE_COMMIT, repo);
1530 	}
1531 
1532 	if (error != NULL)
1533 		goto done;
1534 
1535 	error = got_repo_map_path(&in_repo_path, repo, gw_trans->repo_path, 1);
1536 	if (error != NULL)
1537 		goto done;
1538 
1539 	if (in_repo_path) {
1540 		free(path);
1541 		path = in_repo_path;
1542 	}
1543 
1544 	error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
1545 	if (error)
1546 		goto done;
1547 
1548 	error = got_commit_graph_open(&graph, path, 0);
1549 	if (error)
1550 		goto done;
1551 
1552 	error = got_commit_graph_iter_start(graph, id1, repo, NULL, NULL);
1553 	if (error)
1554 		goto done;
1555 
1556 	for (;;) {
1557 		error = got_commit_graph_iter_next(&id1, graph, repo, NULL,
1558 		    NULL);
1559 		if (error) {
1560 			if (error->code == GOT_ERR_ITER_COMPLETED)
1561 				error = NULL;
1562 			break;
1563 		}
1564 		if (id1 == NULL)
1565 			break;
1566 
1567 		error = got_object_open_as_commit(&commit, repo, id1);
1568 		if (error)
1569 			break;
1570 
1571 		if (search_pattern) {
1572 			error = match_logmsg(&have_match, id1, commit,
1573 			    &regex);
1574 			if (error) {
1575 				got_object_commit_close(commit);
1576 				break;
1577 			}
1578 			if (have_match == 0) {
1579 				got_object_commit_close(commit);
1580 				continue;
1581 			}
1582 		}
1583 
1584 		SIMPLEQ_FOREACH(re, &refs, entry) {
1585 			char *s;
1586 			const char *name;
1587 			struct got_tag_object *tag = NULL;
1588 			int cmp;
1589 
1590 			name = got_ref_get_name(re->ref);
1591 			if (strcmp(name, GOT_REF_HEAD) == 0)
1592 				continue;
1593 			if (strncmp(name, "refs/", 5) == 0)
1594 				name += 5;
1595 			if (strncmp(name, "got/", 4) == 0)
1596 				continue;
1597 			if (strncmp(name, "heads/", 6) == 0)
1598 				name += 6;
1599 			if (strncmp(name, "remotes/", 8) == 0)
1600 				name += 8;
1601 			if (strncmp(name, "tags/", 5) == 0) {
1602 				error = got_object_open_as_tag(&tag, repo,
1603 				    re->id);
1604 				if (error) {
1605 					if (error->code != GOT_ERR_OBJ_TYPE)
1606 						continue;
1607 					/*
1608 					 * Ref points at something other
1609 					 * than a tag.
1610 					 */
1611 					error = NULL;
1612 					tag = NULL;
1613 				}
1614 			}
1615 			cmp = got_object_id_cmp(tag ?
1616 			    got_object_tag_get_object_id(tag) : re->id, id1);
1617 			if (tag)
1618 				got_object_tag_close(tag);
1619 			if (cmp != 0)
1620 				continue;
1621 			s = refs_str;
1622 			if ((asprintf(&refs_str, "%s%s%s", s ? s : "",
1623 			    s ? ", " : "", name)) == -1) {
1624 				error = got_error_from_errno("asprintf");
1625 				free(s);
1626 				goto done;
1627 			}
1628 			free(s);
1629 		}
1630 
1631 		if (refs_str == NULL)
1632 			refs_str_disp = strdup("");
1633 		else {
1634 			if ((asprintf(&refs_str_disp, "(%s)",
1635 			    refs_str)) == -1) {
1636 				error = got_error_from_errno("asprintf");
1637 				free(refs_str);
1638 				goto done;
1639 			}
1640 		}
1641 
1642 		error = got_object_id_str(&id_str1, id1);
1643 		if (error)
1644 			goto done;
1645 
1646 		error = got_object_id_str(&treeid,
1647 		    got_object_commit_get_tree_id(commit));
1648 		if (error)
1649 			goto done;
1650 
1651 		if (gw_trans->action == GW_COMMIT ||
1652 		    gw_trans->action == GW_COMMITDIFF) {
1653 			parent_id =
1654 			    SIMPLEQ_FIRST(
1655 			    got_object_commit_get_parent_ids(commit));
1656 			if (parent_id != NULL) {
1657 				id2 = got_object_id_dup(parent_id->id);
1658 				free (parent_id);
1659 				error = got_object_id_str(&id_str2, id2);
1660 				if (error)
1661 					goto done;
1662 				free(id2);
1663 			} else
1664 				id_str2 = strdup("/dev/null");
1665 		}
1666 
1667 		committer_time =
1668 		    got_object_commit_get_committer_time(commit);
1669 
1670 		if ((asprintf(&commit_parent, "%s", id_str2)) == -1) {
1671 			error = got_error_from_errno("asprintf");
1672 			goto done;
1673 		}
1674 
1675 		if ((asprintf(&commit_tree, "%s", treeid)) == -1) {
1676 			error = got_error_from_errno("asprintf");
1677 			goto done;
1678 		}
1679 
1680 		if ((asprintf(&commit_tree_disp, commit_tree_html,
1681 		    treeid)) == -1) {
1682 			error = got_error_from_errno("asprintf");
1683 			goto done;
1684 		}
1685 
1686 		if ((asprintf(&commit_diff_disp, commit_diff_html, id_str2,
1687 			id_str1)) == -1) {
1688 			error = got_error_from_errno("asprintf");
1689 			goto done;
1690 		}
1691 
1692 		if ((asprintf(&commit_commit, "%s", id_str1)) == -1) {
1693 			error = got_error_from_errno("asprintf");
1694 			goto done;
1695 		}
1696 
1697 		if ((asprintf(&commit_commit_disp, commit_commit_html,
1698 		    commit_commit, refs_str_disp)) == -1) {
1699 			error = got_error_from_errno("asprintf");
1700 			goto done;
1701 		}
1702 
1703 		if ((asprintf(&commit_age_long, "%s",
1704 		    gw_get_time_str(committer_time, TM_LONG))) == -1) {
1705 			error = got_error_from_errno("asprintf");
1706 			goto done;
1707 		}
1708 
1709 		if ((asprintf(&commit_age_long_disp, commit_age_html,
1710 		    commit_age_long)) == -1) {
1711 			error = got_error_from_errno("asprintf");
1712 			goto done;
1713 		}
1714 
1715 		if ((asprintf(&commit_age_diff, "%s",
1716 		    gw_get_time_str(committer_time, TM_DIFF))) == -1) {
1717 			error = got_error_from_errno("asprintf");
1718 			goto done;
1719 		}
1720 
1721 		if ((asprintf(&commit_age_diff_disp, commit_age_html,
1722 		    commit_age_diff)) == -1) {
1723 			error = got_error_from_errno("asprintf");
1724 			goto done;
1725 		}
1726 
1727 		if ((asprintf(&commit_author, "%s",
1728 		    got_object_commit_get_author(commit))) == -1) {
1729 			error = got_error_from_errno("asprintf");
1730 			goto done;
1731 		}
1732 
1733 		if ((asprintf(&commit_author_disp, commit_author_html,
1734 		    gw_html_escape(commit_author))) == -1) {
1735 			error = got_error_from_errno("asprintf");
1736 			goto done;
1737 		}
1738 
1739 		if ((asprintf(&commit_committer, "%s",
1740 		    got_object_commit_get_committer(commit))) == -1) {
1741 			error = got_error_from_errno("asprintf");
1742 			goto done;
1743 		}
1744 
1745 		if ((asprintf(&commit_committer_disp, commit_committer_html,
1746 		    gw_html_escape(commit_committer))) == -1) {
1747 			error = got_error_from_errno("asprintf");
1748 			goto done;
1749 		}
1750 
1751 		if (strcmp(commit_author, commit_committer) == 0) {
1752 			free(commit_committer_disp);
1753 			commit_committer_disp = strdup("");
1754 		}
1755 
1756 		error = got_object_commit_get_logmsg(&commit_log0, commit);
1757 		if (error)
1758 			goto done;
1759 
1760 		commit_log = commit_log0;
1761 		while (*commit_log == '\n')
1762 			commit_log++;
1763 
1764 		switch(log_type) {
1765 		case (LOGBRIEF):
1766 			newline = strchr(commit_log, '\n');
1767 			if (newline)
1768 				*newline = '\0';
1769 
1770 			if ((asprintf(&logbriefs_navs_html, logbriefs_navs,
1771 			    gw_trans->repo_name, id_str1, gw_trans->repo_name,
1772 			    id_str1, gw_trans->repo_name, id_str1,
1773 			    gw_trans->repo_name, id_str1)) == -1) {
1774 				error = got_error_from_errno("asprintf");
1775 				goto done;
1776 			}
1777 
1778 			if ((asprintf(&commit_row, logbriefs_row,
1779 			    commit_age_diff, commit_author, commit_log,
1780 			    logbriefs_navs_html)) == -1) {
1781 				error = got_error_from_errno("asprintf");
1782 				goto done;
1783 			}
1784 
1785 			free(logbriefs_navs_html);
1786 			logbriefs_navs_html = NULL;
1787 			break;
1788 		case (LOGFULL):
1789 			if ((asprintf(&logbriefs_navs_html, logbriefs_navs,
1790 			    gw_trans->repo_name, id_str1, gw_trans->repo_name,
1791 			    id_str1, gw_trans->repo_name, id_str1,
1792 			    gw_trans->repo_name, id_str1)) == -1) {
1793 				error = got_error_from_errno("asprintf");
1794 				goto done;
1795 			}
1796 
1797 			if ((asprintf(&commit_row, logs_row, commit_commit_disp,
1798 			    commit_author_disp, commit_committer_disp,
1799 			    commit_age_long_disp, gw_html_escape(commit_log),
1800 			    logbriefs_navs_html)) == -1) {
1801 				error = got_error_from_errno("asprintf");
1802 				goto done;
1803 			}
1804 
1805 			free(logbriefs_navs_html);
1806 			logbriefs_navs_html = NULL;
1807 			break;
1808 		case (LOGTAG):
1809 			log_tag_html = strdup("tag log here");
1810 
1811 			if ((asprintf(&commit_row, log_tag_row,
1812 			    gw_html_escape(commit_log), log_tag_html)) == -1) {
1813 				error = got_error_from_errno("asprintf");
1814 				goto done;
1815 			}
1816 
1817 			free(log_tag_html);
1818 			break;
1819 		case (LOGTREE):
1820 			log_tree_html = strdup("log tree here");
1821 
1822 			if ((asprintf(&commit_row, log_tree_row,
1823 			    gw_html_escape(commit_log), log_tree_html)) == -1) {
1824 				error = got_error_from_errno("asprintf");
1825 				goto done;
1826 			}
1827 
1828 			free(log_tree_html);
1829 			break;
1830 		case (LOGCOMMIT):
1831 			if ((asprintf(&commit_log_disp, commit_log_html,
1832 			    gw_html_escape(commit_log))) == -1) {
1833 				error = got_error_from_errno("asprintf");
1834 				goto done;
1835 			}
1836 
1837 			log_commit_html = strdup("commit here");
1838 
1839 			if ((asprintf(&commit_row, log_commit_row,
1840 			    commit_diff_disp, commit_commit_disp,
1841 			    commit_tree_disp, commit_author_disp,
1842 			    commit_committer_disp, commit_age_long_disp,
1843 			    commit_log_disp, log_commit_html)) == -1) {
1844 				error = got_error_from_errno("asprintf");
1845 				goto done;
1846 			}
1847 			free(commit_log_disp);
1848 			free(log_commit_html);
1849 
1850 			break;
1851 		case (LOGDIFF):
1852 			if ((asprintf(&commit_log_disp, commit_log_html,
1853 			    gw_html_escape(commit_log))) == -1) {
1854 				error = got_error_from_errno("asprintf");
1855 				goto done;
1856 			}
1857 
1858 			log_diff_html = strdup("diff here");
1859 
1860 			if ((asprintf(&commit_row, log_diff_row,
1861 			    commit_diff_disp, commit_commit_disp,
1862 			    commit_tree_disp, commit_author_disp,
1863 			    commit_committer_disp, commit_age_long_disp,
1864 			    commit_log_disp, log_diff_html)) == -1) {
1865 				error = got_error_from_errno("asprintf");
1866 				goto done;
1867 			}
1868 			free(commit_log_disp);
1869 			free(log_diff_html);
1870 
1871 			break;
1872 		default:
1873 			return NULL;
1874 		}
1875 
1876 		error = buf_puts(&newsize, diffbuf, commit_row);
1877 
1878 		free(commit_parent);
1879 		free(commit_diff_disp);
1880 		free(commit_tree_disp);
1881 		free(commit_age_diff);
1882 		free(commit_age_diff_disp);
1883 		free(commit_age_long);
1884 		free(commit_age_long_disp);
1885 		free(commit_author);
1886 		free(commit_author_disp);
1887 		free(commit_committer);
1888 		free(commit_committer_disp);
1889 		free(commit_log0);
1890 		free(commit_row);
1891 		free(refs_str_disp);
1892 		free(refs_str);
1893 		refs_str = NULL;
1894 		free(id_str1);
1895 		id_str1 = NULL;
1896 		free(id_str2);
1897 		id_str2 = NULL;
1898 
1899 		if (error || (limit && --limit == 0))
1900 			break;
1901 	}
1902 
1903 	if (error)
1904 		goto done;
1905 
1906 	if (buf_len(diffbuf) > 0) {
1907 		error = buf_putc(diffbuf, '\0');
1908 		logs = strdup(buf_get(diffbuf));
1909 	}
1910 done:
1911 	buf_free(diffbuf);
1912 	if (commit != NULL)
1913 		got_object_commit_close(commit);
1914 	if (search_pattern)
1915 		regfree(&regex);
1916 	if (graph)
1917 		got_commit_graph_close(graph);
1918 	if (repo) {
1919 		error = got_repo_close(repo);
1920 		if (error != NULL)
1921 			return NULL;
1922 	}
1923 	if (error) {
1924 		khttp_puts(gw_trans->gw_req, "Error: ");
1925 		khttp_puts(gw_trans->gw_req, error->msg);
1926 		return NULL;
1927 	} else
1928 		return logs;
1929 }
1930 
1931 static char *
1932 gw_get_repo_tags(struct trans *gw_trans, int limit, int tag_type)
1933 {
1934 	const struct got_error *error = NULL;
1935 	struct got_repository *repo = NULL;
1936 	struct got_reflist_head refs;
1937 	struct got_reflist_entry *re;
1938 	char *tags = NULL, *tag_row = NULL, *tags_navs_disp = NULL,
1939 	     *age = NULL;
1940 	char *newline;
1941 	struct buf *diffbuf = NULL;
1942 	size_t newsize;
1943 
1944 	error = buf_alloc(&diffbuf, 0);
1945 	if (error != NULL)
1946 		return NULL;
1947 	SIMPLEQ_INIT(&refs);
1948 
1949 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
1950 	if (error != NULL)
1951 		goto done;
1952 
1953 	error = got_ref_list(&refs, repo, "refs/tags", cmp_tags, repo);
1954 	if (error)
1955 		goto done;
1956 
1957 	SIMPLEQ_FOREACH(re, &refs, entry) {
1958 		const char *refname;
1959 		char *refstr, *tag_log0, *tag_log, *id_str;
1960 		time_t tagger_time;
1961 		struct got_object_id *id;
1962 		struct got_tag_object *tag;
1963 
1964 		refname = got_ref_get_name(re->ref);
1965 		if (strncmp(refname, "refs/tags/", 10) != 0)
1966 			continue;
1967 		refname += 10;
1968 		refstr = got_ref_to_str(re->ref);
1969 		if (refstr == NULL) {
1970 			error = got_error_from_errno("got_ref_to_str");
1971 			goto done;
1972 		}
1973 
1974 		error = got_ref_resolve(&id, repo, re->ref);
1975 		if (error)
1976 			goto done;
1977 		error = got_object_open_as_tag(&tag, repo, id);
1978 		free(id);
1979 		if (error)
1980 			goto done;
1981 
1982 		tagger_time = got_object_tag_get_tagger_time(tag);
1983 
1984 		error = got_object_id_str(&id_str,
1985 		    got_object_tag_get_object_id(tag));
1986 		if (error)
1987 			goto done;
1988 
1989 		tag_log0 = strdup(got_object_tag_get_message(tag));
1990 
1991 		if (tag_log0 == NULL) {
1992 			error = got_error_from_errno("strdup");
1993 			goto done;
1994 		}
1995 
1996 		tag_log = tag_log0;
1997 		while (*tag_log == '\n')
1998 			tag_log++;
1999 
2000 		switch (tag_type) {
2001 		case TAGBRIEF:
2002 			newline = strchr(tag_log, '\n');
2003 			if (newline)
2004 				*newline = '\0';
2005 
2006 			if ((asprintf(&age, "%s", gw_get_time_str(tagger_time,
2007 			    TM_DIFF))) == -1) {
2008 				error = got_error_from_errno("asprintf");
2009 				goto done;
2010 			}
2011 
2012 			if ((asprintf(&tags_navs_disp, tags_navs,
2013 			    gw_trans->repo_name, id_str, gw_trans->repo_name,
2014 			    id_str, gw_trans->repo_name, id_str,
2015 			    gw_trans->repo_name, id_str)) == -1) {
2016 				error = got_error_from_errno("asprintf");
2017 				goto done;
2018 			}
2019 
2020 			if ((asprintf(&tag_row, tags_row, age, refname, tag_log,
2021 			    tags_navs_disp)) == -1) {
2022 				error = got_error_from_errno("asprintf");
2023 				goto done;
2024 			}
2025 
2026 			free(tags_navs_disp);
2027 			break;
2028 		case TAGFULL:
2029 			break;
2030 		default:
2031 			break;
2032 		}
2033 
2034 		got_object_tag_close(tag);
2035 
2036 		error = buf_puts(&newsize, diffbuf, tag_row);
2037 
2038 		free(id_str);
2039 		free(refstr);
2040 		free(age);
2041 		free(tag_log0);
2042 		free(tag_row);
2043 
2044 		if (error || (limit && --limit == 0))
2045 			break;
2046 	}
2047 
2048 	if (buf_len(diffbuf) > 0) {
2049 		error = buf_putc(diffbuf, '\0');
2050 		tags = strdup(buf_get(diffbuf));
2051 	}
2052 done:
2053 	buf_free(diffbuf);
2054 	got_ref_list_free(&refs);
2055 	if (repo)
2056 		got_repo_close(repo);
2057 	if (error)
2058 		return NULL;
2059 	else
2060 		return tags;
2061 }
2062 
2063 static char *
2064 gw_get_repo_heads(struct trans *gw_trans)
2065 {
2066 	const struct got_error *error = NULL;
2067 	struct got_repository *repo = NULL;
2068 	struct got_reflist_head refs;
2069 	struct got_reflist_entry *re;
2070 	char *heads, *head_row = NULL, *head_navs_disp = NULL, *age = NULL;
2071 	struct buf *diffbuf = NULL;
2072 	size_t newsize;
2073 
2074 	error = buf_alloc(&diffbuf, 0);
2075 	if (error != NULL)
2076 		return NULL;
2077 
2078 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2079 	if (error != NULL)
2080 		goto done;
2081 
2082 	SIMPLEQ_INIT(&refs);
2083 	error = got_ref_list(&refs, repo, "refs/heads", got_ref_cmp_by_name,
2084 	    NULL);
2085 	if (error)
2086 		goto done;
2087 
2088 	SIMPLEQ_FOREACH(re, &refs, entry) {
2089 		char *refname;
2090 
2091 		refname = strdup(got_ref_get_name(re->ref));
2092 		if (refname == NULL) {
2093 			error = got_error_from_errno("got_ref_to_str");
2094 			goto done;
2095 		}
2096 
2097 		if (strncmp(refname, "refs/heads/", 11) != 0) {
2098 			free(refname);
2099 			continue;
2100 		}
2101 
2102 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path, refname,
2103 		    TM_DIFF);
2104 
2105 		if ((asprintf(&head_navs_disp, heads_navs, gw_trans->repo_name,
2106 		    refname, gw_trans->repo_name, refname,
2107 		    gw_trans->repo_name, refname, gw_trans->repo_name,
2108 		    refname)) == -1) {
2109 			error = got_error_from_errno("asprintf");
2110 			goto done;
2111 		}
2112 
2113 		if (strncmp(refname, "refs/heads/", 11) == 0)
2114 			refname += 11;
2115 
2116 		if ((asprintf(&head_row, heads_row, age, refname,
2117 		    head_navs_disp)) == -1) {
2118 			error = got_error_from_errno("asprintf");
2119 			goto done;
2120 		}
2121 
2122 		error = buf_puts(&newsize, diffbuf, head_row);
2123 
2124 		free(head_navs_disp);
2125 		free(head_row);
2126 	}
2127 
2128 	if (buf_len(diffbuf) > 0) {
2129 		error = buf_putc(diffbuf, '\0');
2130 		heads = strdup(buf_get(diffbuf));
2131 	}
2132 done:
2133 	buf_free(diffbuf);
2134 	got_ref_list_free(&refs);
2135 	if (repo)
2136 		got_repo_close(repo);
2137 	if (error)
2138 		return NULL;
2139 	else
2140 		return heads;
2141 }
2142 
2143 static char *
2144 gw_get_got_link(struct trans *gw_trans)
2145 {
2146 	char *link;
2147 
2148 	if ((asprintf(&link, got_link, gw_trans->gw_conf->got_logo_url,
2149 	    gw_trans->gw_conf->got_logo)) == -1)
2150 		return NULL;
2151 
2152 	return link;
2153 }
2154 
2155 static char *
2156 gw_get_site_link(struct trans *gw_trans)
2157 {
2158 	char *link, *repo = "", *action = "";
2159 
2160 	if (gw_trans->repo_name != NULL)
2161 		if ((asprintf(&repo, " / <a href='?path=%s&action=summary'>%s" \
2162 		    "</a>", gw_trans->repo_name, gw_trans->repo_name)) == -1)
2163 			return NULL;
2164 
2165 	if (gw_trans->action_name != NULL)
2166 		if ((asprintf(&action, " / %s", gw_trans->action_name)) == -1)
2167 			return NULL;
2168 
2169 	if ((asprintf(&link, site_link, GOTWEB,
2170 	    gw_trans->gw_conf->got_site_link, repo, action)) == -1)
2171 		return NULL;
2172 
2173 	return link;
2174 }
2175 
2176 static char *
2177 gw_html_escape(const char *html)
2178 {
2179 	char *escaped_str = NULL, *buf;
2180 	char c[1];
2181 	size_t sz, i, buff_sz = 2048;
2182 
2183 	if ((buf = calloc(buff_sz, sizeof(char *))) == NULL)
2184 		return NULL;
2185 
2186 	if (html == NULL)
2187 		return NULL;
2188 	else
2189 		if ((sz = strlen(html)) == 0)
2190 			return NULL;
2191 
2192 	/* only work with buff_sz */
2193 	if (buff_sz < sz)
2194 		sz = buff_sz;
2195 
2196 	for (i = 0; i < sz; i++) {
2197 		c[0] = html[i];
2198 		switch (c[0]) {
2199 		case ('>'):
2200 			strcat(buf, "&gt;");
2201 			break;
2202 		case ('&'):
2203 			strcat(buf, "&amp;");
2204 			break;
2205 		case ('<'):
2206 			strcat(buf, "&lt;");
2207 			break;
2208 		case ('"'):
2209 			strcat(buf, "&quot;");
2210 			break;
2211 		case ('\''):
2212 			strcat(buf, "&apos;");
2213 			break;
2214 		case ('\n'):
2215 			strcat(buf, "<br />");
2216 		case ('|'):
2217 			strcat(buf, " ");
2218 		default:
2219 			strcat(buf, &c[0]);
2220 			break;
2221 		}
2222 	}
2223 	asprintf(&escaped_str, "%s", buf);
2224 	free(buf);
2225 	return escaped_str;
2226 }
2227 
2228 int
2229 main()
2230 {
2231 	const struct got_error *error = NULL;
2232 	struct trans *gw_trans;
2233 	struct gw_dir *dir = NULL, *tdir;
2234 	const char *page = "index";
2235 	int gw_malloc = 1;
2236 
2237 	if ((gw_trans = malloc(sizeof(struct trans))) == NULL)
2238 		errx(1, "malloc");
2239 
2240 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
2241 		errx(1, "malloc");
2242 
2243 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
2244 		errx(1, "malloc");
2245 
2246 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
2247 		errx(1, "malloc");
2248 
2249 	if (KCGI_OK != khttp_parse(gw_trans->gw_req, gw_keys, KEY__MAX,
2250 	    &page, 1, 0))
2251 		errx(1, "khttp_parse");
2252 
2253 	if ((gw_trans->gw_conf =
2254 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
2255 		gw_malloc = 0;
2256 		error = got_error_from_errno("malloc");
2257 		goto err;
2258 	}
2259 
2260 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1) {
2261 		error = got_error_from_errno("pledge");
2262 		goto err;
2263 	}
2264 
2265 	TAILQ_INIT(&gw_trans->gw_dirs);
2266 
2267 	gw_trans->page = 0;
2268 	gw_trans->repos_total = 0;
2269 	gw_trans->repo_path = NULL;
2270 	gw_trans->commit = NULL;
2271 	gw_trans->headref = strdup(GOT_REF_HEAD);
2272 	gw_trans->mime = KMIME_TEXT_HTML;
2273 	gw_trans->gw_tmpl->key = templs;
2274 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
2275 	gw_trans->gw_tmpl->arg = gw_trans;
2276 	gw_trans->gw_tmpl->cb = gw_template;
2277 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
2278 
2279 err:
2280 	if (error) {
2281 		gw_trans->mime = KMIME_TEXT_PLAIN;
2282 		gw_trans->action = GW_ERR;
2283 		gw_display_index(gw_trans, error);
2284 		goto done;
2285 	}
2286 
2287 	error = gw_parse_querystring(gw_trans);
2288 	if (error)
2289 		goto err;
2290 
2291 	gw_display_index(gw_trans, error);
2292 
2293 done:
2294 	if (gw_malloc) {
2295 		free(gw_trans->gw_conf->got_repos_path);
2296 		free(gw_trans->gw_conf->got_www_path);
2297 		free(gw_trans->gw_conf->got_site_name);
2298 		free(gw_trans->gw_conf->got_site_owner);
2299 		free(gw_trans->gw_conf->got_site_link);
2300 		free(gw_trans->gw_conf->got_logo);
2301 		free(gw_trans->gw_conf->got_logo_url);
2302 		free(gw_trans->gw_conf);
2303 		free(gw_trans->commit);
2304 		free(gw_trans->repo_path);
2305 		free(gw_trans->repo_name);
2306 		free(gw_trans->repo_file);
2307 		free(gw_trans->action_name);
2308 		free(gw_trans->headref);
2309 
2310 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
2311 			free(dir->name);
2312 			free(dir->description);
2313 			free(dir->age);
2314 			free(dir->url);
2315 			free(dir->path);
2316 			free(dir);
2317 		}
2318 
2319 	}
2320 
2321 	khttp_free(gw_trans->gw_req);
2322 	return EXIT_SUCCESS;
2323 }