1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/queue.h>
19 #include <sys/stat.h>
20 #include <sys/types.h>
21 
22 #include <ctype.h>
23 #include <dirent.h>
24 #include <err.h>
25 #include <errno.h>
26 #include <regex.h>
27 #include <stdarg.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 "gotweb.h"
50 
51 #ifndef nitems
52 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
53 #endif
54 
55 struct gw_trans {
56 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
57 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
58 	struct got_repository	*repo;
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 	const struct got_error	*error;
65 	const char		*repo_name;
66 	char			*repo_path;
67 	char			*commit_id;
68 	char			*next_id;
69 	char			*next_prev_id;
70 	char			*prev_id;
71 	char			*prev_prev_id;
72 	const char		*repo_file;
73 	char			*repo_folder;
74 	const char		*headref;
75 	unsigned int		 action;
76 	unsigned int		 page;
77 	unsigned int		 repos_total;
78 	enum kmime		 mime;
79 };
80 
81 struct gw_header {
82 	TAILQ_ENTRY(gw_header)		 entry;
83 	struct got_reflist_head		 refs;
84 	char				*path;
85 
86 	char			*refs_str;
87 	char			*commit_id; /* id_str1 */
88 	char			*parent_id; /* id_str2 */
89 	char			*tree_id;
90 	char			*author;
91 	char			*committer;
92 	char			*commit_msg;
93 	time_t			 committer_time;
94 };
95 
96 struct gw_dir {
97 	TAILQ_ENTRY(gw_dir)	 entry;
98 	char			*name;
99 	char			*owner;
100 	char			*description;
101 	char			*url;
102 	char			*age;
103 	char			*path;
104 };
105 
106 enum gw_key {
107 	KEY_ACTION,
108 	KEY_COMMIT_ID,
109 	KEY_FILE,
110 	KEY_FOLDER,
111 	KEY_HEADREF,
112 	KEY_PAGE,
113 	KEY_PATH,
114 	KEY_PREV_ID,
115 	KEY_PREV_PREV_ID,
116 	KEY__ZMAX
117 };
118 
119 enum gw_tmpl {
120 	TEMPL_CONTENT,
121 	TEMPL_HEAD,
122 	TEMPL_HEADER,
123 	TEMPL_SEARCH,
124 	TEMPL_SITEPATH,
125 	TEMPL_SITEOWNER,
126 	TEMPL_TITLE,
127 	TEMPL__MAX
128 };
129 
130 enum gw_ref_tm {
131 	TM_DIFF,
132 	TM_LONG,
133 };
134 
135 enum gw_tags_type {
136 	TAGBRIEF,
137 	TAGFULL,
138 };
139 
140 static const char *const gw_templs[TEMPL__MAX] = {
141 	"content",
142 	"head",
143 	"header",
144 	"search",
145 	"sitepath",
146 	"siteowner",
147 	"title",
148 };
149 
150 static const struct kvalid gw_keys[KEY__ZMAX] = {
151 	{ kvalid_stringne,	"action" },
152 	{ kvalid_stringne,	"commit" },
153 	{ kvalid_stringne,	"file" },
154 	{ kvalid_stringne,	"folder" },
155 	{ kvalid_stringne,	"headref" },
156 	{ kvalid_int,		"page" },
157 	{ kvalid_stringne,	"path" },
158 	{ kvalid_stringne,	"prev" },
159 	{ kvalid_stringne,	"prev_prev" },
160 };
161 
162 static struct gw_header		*gw_init_header(void);
163 
164 static void			 gw_free_header(struct gw_header *);
165 
166 static int			 gw_template(size_t, void *);
167 
168 static const struct got_error	*gw_error(struct gw_trans *);
169 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
170 static const struct got_error	*gw_get_repo_description(char **,
171 				    struct gw_trans *, char *);
172 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
173 				    char *);
174 static const struct got_error	*gw_get_time_str(char **, time_t, int);
175 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
176 				    char *, const char *, int);
177 static const struct got_error	*gw_output_file_blame(struct gw_trans *);
178 static const struct got_error	*gw_output_blob_buf(struct gw_trans *);
179 static const struct got_error	*gw_output_repo_tree(struct gw_trans *);
180 static const struct got_error	*gw_output_diff(struct gw_trans *,
181 				    struct gw_header *);
182 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
183 				    struct gw_header *, int, int);
184 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
185 static const struct got_error	*gw_output_site_link(struct gw_trans *);
186 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
187 				    char *);
188 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
189 
190 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
191 				    char*);
192 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
193 				    char*);
194 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
195 				    const char *);
196 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
197 				    const char *);
198 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
199 				    const char *);
200 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
201 				    char *);
202 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
203 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
204 				    enum kmime);
205 static const struct got_error	*gw_display_index(struct gw_trans *);
206 static const struct got_error	*gw_get_header(struct gw_trans *,
207 				    struct gw_header *, int);
208 static const struct got_error	*gw_get_commits(struct gw_trans *,
209 				    struct gw_header *, int,
210 				    struct got_object_id *);
211 static const struct got_error	*gw_get_commit(struct gw_trans *,
212 				    struct gw_header *,
213 				    struct got_commit_object *,
214 				    struct got_object_id *);
215 static const struct got_error	*gw_apply_unveil(const char *);
216 static const struct got_error	*gw_blame_cb(void *, int, int,
217 				    struct got_object_id *);
218 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
219 static const struct got_error	*gw_load_got_path(struct gw_trans *,
220 				    struct gw_dir *);
221 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
222 static const struct got_error	*gw_blame(struct gw_trans *);
223 static const struct got_error	*gw_blob(struct gw_trans *);
224 static const struct got_error	*gw_diff(struct gw_trans *);
225 static const struct got_error	*gw_index(struct gw_trans *);
226 static const struct got_error	*gw_commits(struct gw_trans *);
227 static const struct got_error	*gw_briefs(struct gw_trans *);
228 static const struct got_error	*gw_summary(struct gw_trans *);
229 static const struct got_error	*gw_tree(struct gw_trans *);
230 static const struct got_error	*gw_tag(struct gw_trans *);
231 static const struct got_error	*gw_tags(struct gw_trans *);
232 
233 struct gw_query_action {
234 	unsigned int		 func_id;
235 	const char		*func_name;
236 	const struct got_error	*(*func_main)(struct gw_trans *);
237 	char			*template;
238 };
239 
240 enum gw_query_actions {
241 	GW_BLAME,
242 	GW_BLOB,
243 	GW_BRIEFS,
244 	GW_COMMITS,
245 	GW_DIFF,
246 	GW_ERR,
247 	GW_INDEX,
248 	GW_SUMMARY,
249 	GW_TAG,
250 	GW_TAGS,
251 	GW_TREE,
252 };
253 
254 static struct gw_query_action gw_query_funcs[] = {
255 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
256 	{ GW_BLOB,	"blob",		NULL,		NULL },
257 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
258 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
259 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
260 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
261 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
262 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
263 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
264 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
265 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
266 };
267 
268 static const char * 
269 gw_get_action_name(struct gw_trans *gw_trans)
270 {
271 	return gw_query_funcs[gw_trans->action].func_name;
272 }
273 
274 static const struct got_error *
275 gw_kcgi_error(enum kcgi_err kerr)
276 {
277 	if (kerr == KCGI_OK)
278 		return NULL;
279 
280 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
281 		return got_error(GOT_ERR_CANCELLED);
282 
283 	if (kerr == KCGI_ENOMEM)
284 		return got_error_set_errno(ENOMEM,
285 		    kcgi_strerror(kerr));
286 
287 	if (kerr == KCGI_ENFILE)
288 		return got_error_set_errno(ENFILE,
289 		    kcgi_strerror(kerr));
290 
291 	if (kerr == KCGI_EAGAIN)
292 		return got_error_set_errno(EAGAIN,
293 		    kcgi_strerror(kerr));
294 
295 	if (kerr == KCGI_FORM)
296 		return got_error_msg(GOT_ERR_IO,
297 		    kcgi_strerror(kerr));
298 
299 	return got_error_from_errno(kcgi_strerror(kerr));
300 }
301 
302 static const struct got_error *
303 gw_apply_unveil(const char *repo_path)
304 {
305 	const struct got_error *err;
306 
307 	if (repo_path && unveil(repo_path, "r") != 0)
308 		return got_error_from_errno2("unveil", repo_path);
309 
310 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
311 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
312 
313 	err = got_privsep_unveil_exec_helpers();
314 	if (err != NULL)
315 		return err;
316 
317 	if (unveil(NULL, NULL) != 0)
318 		return got_error_from_errno("unveil");
319 
320 	return NULL;
321 }
322 
323 static int
324 isbinary(const uint8_t *buf, size_t n)
325 {
326 	size_t i;
327 
328 	for (i = 0; i < n; i++)
329 		if (buf[i] == 0)
330 			return 1;
331 	return 0;
332 }
333 
334 static const struct got_error *
335 gw_blame(struct gw_trans *gw_trans)
336 {
337 	const struct got_error *error = NULL;
338 	struct gw_header *header = NULL;
339 	char *age = NULL;
340 	enum kcgi_err kerr = KCGI_OK;
341 
342 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
343 	    NULL) == -1)
344 		return got_error_from_errno("pledge");
345 
346 	if ((header = gw_init_header()) == NULL)
347 		return got_error_from_errno("malloc");
348 
349 	error = gw_apply_unveil(gw_trans->gw_dir->path);
350 	if (error)
351 		goto done;
352 
353 	/* check querystring */
354 	if (gw_trans->repo_file == NULL) {
355 		error = got_error_msg(GOT_ERR_QUERYSTRING,
356 		    "file required in querystring");
357 		goto done;
358 	}
359 	if (gw_trans->commit_id == NULL) {
360 		error = got_error_msg(GOT_ERR_QUERYSTRING,
361 		    "commit required in querystring");
362 		goto done;
363 	}
364 
365 	error = gw_get_header(gw_trans, header, 1);
366 	if (error)
367 		goto done;
368 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
369 	    "blame_header_wrapper", KATTR__MAX);
370 	if (kerr != KCGI_OK)
371 		goto done;
372 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
373 	    "blame_header", KATTR__MAX);
374 	if (kerr != KCGI_OK)
375 		goto done;
376 	error = gw_get_time_str(&age, header->committer_time,
377 	    TM_LONG);
378 	if (error)
379 		goto done;
380 	error = gw_gen_age_header(gw_trans, age ?age : "");
381 	if (error)
382 		goto done;
383 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
384 	if (error)
385 		goto done;
386 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
387 	if (kerr != KCGI_OK)
388 		goto done;
389 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
390 	    "dotted_line", KATTR__MAX);
391 	if (kerr != KCGI_OK)
392 		goto done;
393 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
394 	if (kerr != KCGI_OK)
395 		goto done;
396 
397 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
398 	    "blame", KATTR__MAX);
399 	if (kerr != KCGI_OK)
400 		goto done;
401 	error = gw_output_file_blame(gw_trans);
402 	if (error)
403 		goto done;
404 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
405 done:
406 	gw_free_header(header);
407 	if (error == NULL && kerr != KCGI_OK)
408 		error = gw_kcgi_error(kerr);
409 	return error;
410 }
411 
412 static const struct got_error *
413 gw_blob(struct gw_trans *gw_trans)
414 {
415 	const struct got_error *error = NULL, *err = NULL;
416 	struct gw_header *header = NULL;
417 	enum kcgi_err kerr = KCGI_OK;
418 
419 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
420 	    NULL) == -1)
421 		return got_error_from_errno("pledge");
422 
423 	if ((header = gw_init_header()) == NULL)
424 		return got_error_from_errno("malloc");
425 
426 	error = gw_apply_unveil(gw_trans->gw_dir->path);
427 	if (error)
428 		goto done;
429 
430 	/* check querystring */
431 	if (gw_trans->repo_file == NULL) {
432 		error = got_error_msg(GOT_ERR_QUERYSTRING,
433 		    "file required in querystring");
434 		goto done;
435 	}
436 	if (gw_trans->commit_id == NULL) {
437 		error = got_error_msg(GOT_ERR_QUERYSTRING,
438 		    "commit required in querystring");
439 		goto done;
440 	}
441 	error = gw_get_header(gw_trans, header, 1);
442 	if (error)
443 		goto done;
444 
445 	error = gw_output_blob_buf(gw_trans);
446 done:
447 
448 	if (error) {
449 		gw_trans->mime = KMIME_TEXT_PLAIN;
450 		err = gw_display_index(gw_trans);
451 		if (err) {
452 			error = err;
453 			goto errored;
454 		}
455 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
456 	}
457 errored:
458 	gw_free_header(header);
459 	if (error == NULL && kerr != KCGI_OK)
460 		error = gw_kcgi_error(kerr);
461 	return error;
462 }
463 
464 static const struct got_error *
465 gw_diff(struct gw_trans *gw_trans)
466 {
467 	const struct got_error *error = NULL;
468 	struct gw_header *header = NULL;
469 	char *age = NULL;
470 	enum kcgi_err kerr = KCGI_OK;
471 
472 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
473 	    NULL) == -1)
474 		return got_error_from_errno("pledge");
475 
476 	if ((header = gw_init_header()) == NULL)
477 		return got_error_from_errno("malloc");
478 
479 	error = gw_apply_unveil(gw_trans->gw_dir->path);
480 	if (error)
481 		goto done;
482 
483 	error = gw_get_header(gw_trans, header, 1);
484 	if (error)
485 		goto done;
486 
487 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
488 	    "diff_header_wrapper", KATTR__MAX);
489 	if (kerr != KCGI_OK)
490 		goto done;
491 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
492 	    "diff_header", KATTR__MAX);
493 	if (kerr != KCGI_OK)
494 		goto done;
495 	error = gw_gen_diff_header(gw_trans, header->parent_id,
496 	    header->commit_id);
497 	if (error)
498 		goto done;
499 	error = gw_gen_commit_header(gw_trans, header->commit_id,
500 	    header->refs_str);
501 	if (error)
502 		goto done;
503 	error = gw_gen_tree_header(gw_trans, header->tree_id);
504 	if (error)
505 		goto done;
506 	error = gw_gen_author_header(gw_trans, header->author);
507 	if (error)
508 		goto done;
509 	error = gw_gen_committer_header(gw_trans, header->author);
510 	if (error)
511 		goto done;
512 	error = gw_get_time_str(&age, header->committer_time,
513 	    TM_LONG);
514 	if (error)
515 		goto done;
516 	error = gw_gen_age_header(gw_trans, age ?age : "");
517 	if (error)
518 		goto done;
519 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
520 	if (error)
521 		goto done;
522 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
523 	if (kerr != KCGI_OK)
524 		goto done;
525 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
526 	    "dotted_line", KATTR__MAX);
527 	if (kerr != KCGI_OK)
528 		goto done;
529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
530 	if (kerr != KCGI_OK)
531 		goto done;
532 
533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
534 	    "diff", KATTR__MAX);
535 	if (kerr != KCGI_OK)
536 		goto done;
537 	error = gw_output_diff(gw_trans, header);
538 	if (error)
539 		goto done;
540 
541 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
542 done:
543 	gw_free_header(header);
544 	free(age);
545 	if (error == NULL && kerr != KCGI_OK)
546 		error = gw_kcgi_error(kerr);
547 	return error;
548 }
549 
550 static const struct got_error *
551 gw_index(struct gw_trans *gw_trans)
552 {
553 	const struct got_error *error = NULL;
554 	struct gw_dir *gw_dir = NULL;
555 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
556 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
557 	char *href_tags = NULL;
558 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
559 	enum kcgi_err kerr = KCGI_OK;
560 
561 	if (pledge("stdio rpath proc exec sendfd unveil",
562 	    NULL) == -1) {
563 		error = got_error_from_errno("pledge");
564 		return error;
565 	}
566 
567 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
568 	if (error)
569 		return error;
570 
571 	error = gw_load_got_paths(gw_trans);
572 	if (error)
573 		return error;
574 
575 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
576 	    "index_header", KATTR__MAX);
577 	if (kerr != KCGI_OK)
578 		return gw_kcgi_error(kerr);
579 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
580 	    "index_header_project", KATTR__MAX);
581 	if (kerr != KCGI_OK)
582 		return gw_kcgi_error(kerr);
583 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
584 	if (kerr != KCGI_OK)
585 		return gw_kcgi_error(kerr);
586 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
587 	if (kerr != KCGI_OK)
588 		return gw_kcgi_error(kerr);
589 
590 	if (gw_trans->gw_conf->got_show_repo_description) {
591 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
592 		    "index_header_description", KATTR__MAX);
593 		if (kerr != KCGI_OK)
594 			return gw_kcgi_error(kerr);
595 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
596 		if (kerr != KCGI_OK)
597 			return gw_kcgi_error(kerr);
598 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
599 		if (kerr != KCGI_OK)
600 			return gw_kcgi_error(kerr);
601 	}
602 
603 	if (gw_trans->gw_conf->got_show_repo_owner) {
604 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
605 		    "index_header_owner", KATTR__MAX);
606 		if (kerr != KCGI_OK)
607 			return gw_kcgi_error(kerr);
608 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
609 		if (kerr != KCGI_OK)
610 			return gw_kcgi_error(kerr);
611 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
612 		if (kerr != KCGI_OK)
613 			return gw_kcgi_error(kerr);
614 	}
615 
616 	if (gw_trans->gw_conf->got_show_repo_age) {
617 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
618 		    "index_header_age", KATTR__MAX);
619 		if (kerr != KCGI_OK)
620 			return gw_kcgi_error(kerr);
621 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
622 		if (kerr != KCGI_OK)
623 			return gw_kcgi_error(kerr);
624 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
625 		if (kerr != KCGI_OK)
626 			return gw_kcgi_error(kerr);
627 	}
628 
629 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
630 	if (kerr != KCGI_OK)
631 		return gw_kcgi_error(kerr);
632 
633 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
634 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
635 		    "index_wrapper", KATTR__MAX);
636 		if (kerr != KCGI_OK)
637 			return gw_kcgi_error(kerr);
638 		kerr = khtml_printf(gw_trans->gw_html_req,
639 		    "No repositories found in %s",
640 		    gw_trans->gw_conf->got_repos_path);
641 		if (kerr != KCGI_OK)
642 			return gw_kcgi_error(kerr);
643 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
644 		if (kerr != KCGI_OK)
645 			return gw_kcgi_error(kerr);
646 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
647 		    "dotted_line", KATTR__MAX);
648 		if (kerr != KCGI_OK)
649 			return gw_kcgi_error(kerr);
650 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
651 		if (kerr != KCGI_OK)
652 			return gw_kcgi_error(kerr);
653 		return error;
654 	}
655 
656 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
657 		dir_c++;
658 
659 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
660 		if (gw_trans->page > 0 && (gw_trans->page *
661 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
662 			prev_disp++;
663 			continue;
664 		}
665 
666 		prev_disp++;
667 
668 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
669 		    "index_wrapper", KATTR__MAX);
670 		if (kerr != KCGI_OK)
671 			goto done;
672 
673 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
674 		    gw_dir->name, "action", "summary", NULL);
675 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
676 		    "index_project", KATTR__MAX);
677 		if (kerr != KCGI_OK)
678 			goto done;
679 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
680 		    href_summary, KATTR__MAX);
681 		if (kerr != KCGI_OK)
682 			goto done;
683 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
684 		if (kerr != KCGI_OK)
685 			goto done;
686 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
687 		if (kerr != KCGI_OK)
688 			goto done;
689 		if (gw_trans->gw_conf->got_show_repo_description) {
690 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
691 			    KATTR_ID, "index_project_description", KATTR__MAX);
692 			if (kerr != KCGI_OK)
693 				goto done;
694 			kerr = khtml_puts(gw_trans->gw_html_req,
695 			    gw_dir->description ? gw_dir->description : "");
696 			if (kerr != KCGI_OK)
697 				goto done;
698 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
699 			if (kerr != KCGI_OK)
700 				goto done;
701 		}
702 		if (gw_trans->gw_conf->got_show_repo_owner) {
703 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
704 			    KATTR_ID, "index_project_owner", KATTR__MAX);
705 			if (kerr != KCGI_OK)
706 				goto done;
707 			kerr = khtml_puts(gw_trans->gw_html_req,
708 			    gw_dir->owner ? gw_dir->owner : "");
709 			if (kerr != KCGI_OK)
710 				goto done;
711 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
712 			if (kerr != KCGI_OK)
713 				goto done;
714 		}
715 		if (gw_trans->gw_conf->got_show_repo_age) {
716 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
717 			    KATTR_ID, "index_project_age", KATTR__MAX);
718 			if (kerr != KCGI_OK)
719 				goto done;
720 			kerr = khtml_puts(gw_trans->gw_html_req,
721 			    gw_dir->age ? gw_dir->age : "");
722 			if (kerr != KCGI_OK)
723 				goto done;
724 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
725 			if (kerr != KCGI_OK)
726 				goto done;
727 		}
728 
729 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
730 		    "navs_wrapper", KATTR__MAX);
731 		if (kerr != KCGI_OK)
732 			goto done;
733 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
734 		    "navs", KATTR__MAX);
735 		if (kerr != KCGI_OK)
736 			goto done;
737 
738 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
739 		    href_summary, KATTR__MAX);
740 		if (kerr != KCGI_OK)
741 			goto done;
742 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
743 		if (kerr != KCGI_OK)
744 			goto done;
745 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
746 		if (kerr != KCGI_OK)
747 			goto done;
748 
749 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
750 		if (kerr != KCGI_OK)
751 			goto done;
752 
753 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
754 		    gw_dir->name, "action", "briefs", NULL);
755 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
756 		    href_briefs, KATTR__MAX);
757 		if (kerr != KCGI_OK)
758 			goto done;
759 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
760 		if (kerr != KCGI_OK)
761 			goto done;
762 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
763 		if (kerr != KCGI_OK)
764 			error = gw_kcgi_error(kerr);
765 
766 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
767 		if (kerr != KCGI_OK)
768 			goto done;
769 
770 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
771 		    gw_dir->name, "action", "commits", NULL);
772 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
773 		    href_commits, KATTR__MAX);
774 		if (kerr != KCGI_OK)
775 			goto done;
776 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
777 		if (kerr != KCGI_OK)
778 			goto done;
779 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
780 		if (kerr != KCGI_OK)
781 			goto done;
782 
783 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
784 		if (kerr != KCGI_OK)
785 			goto done;
786 
787 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
788 		    gw_dir->name, "action", "tags", NULL);
789 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
790 		    href_tags, KATTR__MAX);
791 		if (kerr != KCGI_OK)
792 			goto done;
793 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
794 		if (kerr != KCGI_OK)
795 			goto done;
796 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
797 		if (kerr != KCGI_OK)
798 			goto done;
799 
800 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
801 		if (kerr != KCGI_OK)
802 			goto done;
803 
804 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
805 		    gw_dir->name, "action", "tree", NULL);
806 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
807 		    href_tree, KATTR__MAX);
808 		if (kerr != KCGI_OK)
809 			goto done;
810 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
811 		if (kerr != KCGI_OK)
812 			goto done;
813 
814 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
815 		if (kerr != KCGI_OK)
816 			goto done;
817 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
818 		    "dotted_line", KATTR__MAX);
819 		if (kerr != KCGI_OK)
820 			goto done;
821 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
822 		if (kerr != KCGI_OK)
823 			goto done;
824 
825 		free(href_summary);
826 		href_summary = NULL;
827 		free(href_briefs);
828 		href_briefs = NULL;
829 		free(href_commits);
830 		href_commits = NULL;
831 		free(href_tags);
832 		href_tags = NULL;
833 		free(href_tree);
834 		href_tree = NULL;
835 
836 		if (gw_trans->gw_conf->got_max_repos_display == 0)
837 			continue;
838 
839 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
840 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
841 		    (gw_trans->page > 0) &&
842 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
843 		    prev_disp == gw_trans->repos_total))) {
844 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
845 			    KATTR_ID, "np_wrapper", KATTR__MAX);
846 			if (kerr != KCGI_OK)
847 				goto done;
848 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
849 			    KATTR_ID, "nav_prev", KATTR__MAX);
850 			if (kerr != KCGI_OK)
851 				goto done;
852 		}
853 
854 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
855 		    (gw_trans->page > 0) &&
856 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
857 		    prev_disp == gw_trans->repos_total)) {
858 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
859 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
860 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
861 			    KATTR_HREF, href_prev, KATTR__MAX);
862 			if (kerr != KCGI_OK)
863 				goto done;
864 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
865 			if (kerr != KCGI_OK)
866 				goto done;
867 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
868 			if (kerr != KCGI_OK)
869 				goto done;
870 		}
871 
872 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
873 		if (kerr != KCGI_OK)
874 			return gw_kcgi_error(kerr);
875 
876 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
877 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
878 		    dir_c != (gw_trans->page + 1) *
879 		    gw_trans->gw_conf->got_max_repos_display) {
880 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
881 			    KATTR_ID, "nav_next", KATTR__MAX);
882 			if (kerr != KCGI_OK)
883 				goto done;
884 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
885 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
886 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
887 			    KATTR_HREF, href_next, KATTR__MAX);
888 			if (kerr != KCGI_OK)
889 				goto done;
890 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
891 			if (kerr != KCGI_OK)
892 				goto done;
893 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
894 			if (kerr != KCGI_OK)
895 				goto done;
896 			next_disp = 0;
897 			break;
898 		}
899 
900 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
901 		    (gw_trans->page > 0) &&
902 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
903 		    prev_disp == gw_trans->repos_total)) {
904 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
905 			if (kerr != KCGI_OK)
906 				goto done;
907 		}
908 		next_disp++;
909 	}
910 done:
911 	free(href_prev);
912 	free(href_next);
913 	free(href_summary);
914 	free(href_briefs);
915 	free(href_commits);
916 	free(href_tags);
917 	free(href_tree);
918 	if (error == NULL && kerr != KCGI_OK)
919 		error = gw_kcgi_error(kerr);
920 	return error;
921 }
922 
923 static const struct got_error *
924 gw_commits(struct gw_trans *gw_trans)
925 {
926 	const struct got_error *error = NULL;
927 	struct gw_header *header = NULL, *n_header = NULL;
928 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
929 	char *href_prev = NULL, *href_next = NULL;
930 	enum kcgi_err kerr = KCGI_OK;
931 
932 	if ((header = gw_init_header()) == NULL)
933 		return got_error_from_errno("malloc");
934 
935 	if (pledge("stdio rpath proc exec sendfd unveil",
936 	    NULL) == -1) {
937 		error = got_error_from_errno("pledge");
938 		goto done;
939 	}
940 
941 	error = gw_apply_unveil(gw_trans->gw_dir->path);
942 	if (error)
943 		goto done;
944 
945 	error = gw_get_header(gw_trans, header,
946 	    gw_trans->gw_conf->got_max_commits_display);
947 	if (error)
948 		goto done;
949 
950 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
951 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
952 		    "commits_line_wrapper", KATTR__MAX);
953 		if (kerr != KCGI_OK)
954 			goto done;
955 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
956 		    n_header->refs_str);
957 		if (error)
958 			goto done;
959 		error = gw_gen_author_header(gw_trans, n_header->author);
960 		if (error)
961 			goto done;
962 		error = gw_gen_committer_header(gw_trans, n_header->author);
963 		if (error)
964 			goto done;
965 		error = gw_get_time_str(&age, n_header->committer_time,
966 		    TM_LONG);
967 		if (error)
968 			goto done;
969 		error = gw_gen_age_header(gw_trans, age ?age : "");
970 		if (error)
971 			goto done;
972 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
973 		if (kerr != KCGI_OK)
974 			goto done;
975 
976 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
977 		    "dotted_line", KATTR__MAX);
978 		if (kerr != KCGI_OK)
979 			goto done;
980 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
981 		if (kerr != KCGI_OK)
982 			goto done;
983 
984 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
985 		    "commit", KATTR__MAX);
986 		if (kerr != KCGI_OK)
987 			goto done;
988 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
989 		if (kerr != KCGI_OK)
990 			goto done;
991 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
992 		if (kerr != KCGI_OK)
993 			goto done;
994 
995 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
996 		    gw_trans->repo_name, "action", "diff", "commit",
997 		    n_header->commit_id, NULL);
998 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
999 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1000 		if (kerr != KCGI_OK)
1001 			goto done;
1002 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1003 		    KATTR_ID, "navs", KATTR__MAX);
1004 		if (kerr != KCGI_OK)
1005 			goto done;
1006 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1007 		    KATTR_HREF, href_diff, KATTR__MAX);
1008 		if (kerr != KCGI_OK)
1009 			goto done;
1010 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1011 		if (kerr != KCGI_OK)
1012 			goto done;
1013 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1014 		if (kerr != KCGI_OK)
1015 			goto done;
1016 
1017 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1018 		if (kerr != KCGI_OK)
1019 			goto done;
1020 
1021 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1022 		    gw_trans->repo_name, "action", "tree", "commit",
1023 		    n_header->commit_id, NULL),
1024 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1025 		    KATTR_HREF, href_tree, KATTR__MAX);
1026 		if (kerr != KCGI_OK)
1027 			goto done;
1028 		khtml_puts(gw_trans->gw_html_req, "tree");
1029 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1030 		if (kerr != KCGI_OK)
1031 			goto done;
1032 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1033 		if (kerr != KCGI_OK)
1034 			goto done;
1035 
1036 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1037 		    "solid_line", KATTR__MAX);
1038 		if (kerr != KCGI_OK)
1039 			goto done;
1040 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1041 		if (kerr != KCGI_OK)
1042 			goto done;
1043 
1044 		free(age);
1045 		age = NULL;
1046 	}
1047 
1048 	if (gw_trans->next_id || gw_trans->page > 0) {
1049 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1050 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1051 		if (kerr != KCGI_OK)
1052 			goto done;
1053 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1054 		    KATTR_ID, "nav_prev", KATTR__MAX);
1055 		if (kerr != KCGI_OK)
1056 			goto done;
1057 	}
1058 
1059 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1060 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1061 		    KATTRX_STRING, gw_trans->repo_name, "page",
1062 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1063 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1064 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1065 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1066 		    gw_trans->prev_prev_id : "", NULL);
1067 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1068 		    KATTR_HREF, href_prev, KATTR__MAX);
1069 		if (kerr != KCGI_OK)
1070 			goto done;
1071 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1072 		if (kerr != KCGI_OK)
1073 			goto done;
1074 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1075 		if (kerr != KCGI_OK)
1076 			goto done;
1077 	}
1078 
1079 	if (gw_trans->next_id || gw_trans->page > 0) {
1080 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1081 		if (kerr != KCGI_OK)
1082 			return gw_kcgi_error(kerr);
1083 	}
1084 
1085 	if (gw_trans->next_id) {
1086 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1087 		    KATTR_ID, "nav_next", KATTR__MAX);
1088 		if (kerr != KCGI_OK)
1089 			goto done;
1090 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1091 		    KATTRX_STRING, gw_trans->repo_name, "page",
1092 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1093 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1094 		    gw_trans->next_id, "prev", KATTRX_STRING,
1095 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1096 		    "prev_prev", KATTRX_STRING, gw_trans->prev_prev_id ?
1097 		    gw_trans->prev_prev_id : "", NULL),
1098 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1099 		    KATTR_HREF, href_next, KATTR__MAX);
1100 		if (kerr != KCGI_OK)
1101 			goto done;
1102 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1103 		if (kerr != KCGI_OK)
1104 			goto done;
1105 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1106 		if (kerr != KCGI_OK)
1107 			goto done;
1108 	}
1109 
1110 	if (gw_trans->next_id || gw_trans->page > 0) {
1111 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1112 		if (kerr != KCGI_OK)
1113 			goto done;
1114 	}
1115 done:
1116 	gw_free_header(header);
1117 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1118 		gw_free_header(n_header);
1119 	free(age);
1120 	free(href_next);
1121 	free(href_prev);
1122 	free(href_diff);
1123 	free(href_tree);
1124 	if (error == NULL && kerr != KCGI_OK)
1125 		error = gw_kcgi_error(kerr);
1126 	return error;
1127 }
1128 
1129 static const struct got_error *
1130 gw_briefs(struct gw_trans *gw_trans)
1131 {
1132 	const struct got_error *error = NULL;
1133 	struct gw_header *header = NULL, *n_header = NULL;
1134 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1135 	char *href_prev = NULL, *href_next = NULL;
1136 	char *newline, *smallerthan;
1137 	enum kcgi_err kerr = KCGI_OK;
1138 
1139 	if ((header = gw_init_header()) == NULL)
1140 		return got_error_from_errno("malloc");
1141 
1142 	if (pledge("stdio rpath proc exec sendfd unveil",
1143 	    NULL) == -1) {
1144 		error = got_error_from_errno("pledge");
1145 		goto done;
1146 	}
1147 
1148 	if (gw_trans->action != GW_SUMMARY) {
1149 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1150 		if (error)
1151 			goto done;
1152 	}
1153 
1154 	if (gw_trans->action == GW_SUMMARY)
1155 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1156 	else
1157 		error = gw_get_header(gw_trans, header,
1158 		    gw_trans->gw_conf->got_max_commits_display);
1159 	if (error)
1160 		goto done;
1161 
1162 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1163 		error = gw_get_time_str(&age, n_header->committer_time,
1164 		    TM_DIFF);
1165 		if (error)
1166 			goto done;
1167 
1168 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1169 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1170 		if (kerr != KCGI_OK)
1171 			goto done;
1172 
1173 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1174 		    KATTR_ID, "briefs_age", KATTR__MAX);
1175 		if (kerr != KCGI_OK)
1176 			goto done;
1177 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1178 		if (kerr != KCGI_OK)
1179 			goto done;
1180 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1181 		if (kerr != KCGI_OK)
1182 			goto done;
1183 
1184 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1185 		    KATTR_ID, "briefs_author", KATTR__MAX);
1186 		if (kerr != KCGI_OK)
1187 			goto done;
1188 		smallerthan = strchr(n_header->author, '<');
1189 		if (smallerthan)
1190 			*smallerthan = '\0';
1191 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1192 		if (kerr != KCGI_OK)
1193 			goto done;
1194 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1195 		if (kerr != KCGI_OK)
1196 			goto done;
1197 
1198 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1199 		    gw_trans->repo_name, "action", "diff", "commit",
1200 		    n_header->commit_id, NULL);
1201 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1202 		    KATTR_ID, "briefs_log", KATTR__MAX);
1203 		if (kerr != KCGI_OK)
1204 			goto done;
1205 		newline = strchr(n_header->commit_msg, '\n');
1206 		if (newline)
1207 			*newline = '\0';
1208 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1209 		    KATTR_HREF, href_diff, KATTR__MAX);
1210 		if (kerr != KCGI_OK)
1211 			goto done;
1212 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1213 		if (kerr != KCGI_OK)
1214 			goto done;
1215 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1216 		if (kerr != KCGI_OK)
1217 			goto done;
1218 
1219 		if (n_header->refs_str) {
1220 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1221 			if (kerr != KCGI_OK)
1222 				goto done;
1223 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1224 			    KATTR_ID, "refs_str", KATTR__MAX);
1225 			if (kerr != KCGI_OK)
1226 			goto done;
1227 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1228 			    n_header->refs_str);
1229 			if (kerr != KCGI_OK)
1230 				goto done;
1231 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1232 			if (kerr != KCGI_OK)
1233 				goto done;
1234 		}
1235 
1236 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1237 		if (kerr != KCGI_OK)
1238 			goto done;
1239 
1240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1241 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1242 		if (kerr != KCGI_OK)
1243 			goto done;
1244 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1245 		    KATTR_ID, "navs", KATTR__MAX);
1246 		if (kerr != KCGI_OK)
1247 			goto done;
1248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1249 		    KATTR_HREF, href_diff, KATTR__MAX);
1250 		if (kerr != KCGI_OK)
1251 			goto done;
1252 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1253 		if (kerr != KCGI_OK)
1254 			goto done;
1255 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1256 		if (kerr != KCGI_OK)
1257 			goto done;
1258 
1259 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1260 		if (kerr != KCGI_OK)
1261 			goto done;
1262 
1263 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1264 		    gw_trans->repo_name, "action", "tree", "commit",
1265 		    n_header->commit_id, NULL);
1266 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1267 		    KATTR_HREF, href_tree, KATTR__MAX);
1268 		if (kerr != KCGI_OK)
1269 			goto done;
1270 		khtml_puts(gw_trans->gw_html_req, "tree");
1271 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1272 		if (kerr != KCGI_OK)
1273 			goto done;
1274 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1275 		if (kerr != KCGI_OK)
1276 			goto done;
1277 
1278 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1279 		    KATTR_ID, "dotted_line", KATTR__MAX);
1280 		if (kerr != KCGI_OK)
1281 			goto done;
1282 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1283 		if (kerr != KCGI_OK)
1284 			goto done;
1285 
1286 		free(age);
1287 		age = NULL;
1288 		free(href_diff);
1289 		href_diff = NULL;
1290 		free(href_tree);
1291 		href_tree = NULL;
1292 	}
1293 
1294 	if (gw_trans->next_id || gw_trans->page > 0) {
1295 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1296 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1297 		if (kerr != KCGI_OK)
1298 			goto done;
1299 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1300 		    KATTR_ID, "nav_prev", KATTR__MAX);
1301 		if (kerr != KCGI_OK)
1302 			goto done;
1303 	}
1304 
1305 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1306 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1307 		    KATTRX_STRING, gw_trans->repo_name, "page",
1308 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1309 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1310 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1311 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1312 		    gw_trans->prev_prev_id : "", NULL);
1313 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1314 		    KATTR_HREF, href_prev, KATTR__MAX);
1315 		if (kerr != KCGI_OK)
1316 			goto done;
1317 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1318 		if (kerr != KCGI_OK)
1319 			goto done;
1320 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1321 		if (kerr != KCGI_OK)
1322 			goto done;
1323 	}
1324 
1325 	if (gw_trans->next_id || gw_trans->page > 0) {
1326 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1327 		if (kerr != KCGI_OK)
1328 			return gw_kcgi_error(kerr);
1329 	}
1330 
1331 	if (gw_trans->next_id) {
1332 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1333 		    KATTR_ID, "nav_next", KATTR__MAX);
1334 		if (kerr != KCGI_OK)
1335 			goto done;
1336 
1337 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1338 		    KATTRX_STRING, gw_trans->repo_name, "page",
1339 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1340 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1341 		    gw_trans->next_id, "prev", KATTRX_STRING,
1342 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1343 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1344 		    gw_trans->prev_id : "", NULL),
1345 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1346 		    KATTR_HREF, href_next, KATTR__MAX);
1347 		if (kerr != KCGI_OK)
1348 			goto done;
1349 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1350 		if (kerr != KCGI_OK)
1351 			goto done;
1352 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1353 		if (kerr != KCGI_OK)
1354 			goto done;
1355 	}
1356 
1357 	if (gw_trans->next_id || gw_trans->page > 0) {
1358 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1359 		if (kerr != KCGI_OK)
1360 			goto done;
1361 	}
1362 done:
1363 	gw_free_header(header);
1364 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1365 		gw_free_header(n_header);
1366 	free(age);
1367 	free(href_next);
1368 	free(href_prev);
1369 	free(href_diff);
1370 	free(href_tree);
1371 	if (error == NULL && kerr != KCGI_OK)
1372 		error = gw_kcgi_error(kerr);
1373 	return error;
1374 }
1375 
1376 static const struct got_error *
1377 gw_summary(struct gw_trans *gw_trans)
1378 {
1379 	const struct got_error *error = NULL;
1380 	char *age = NULL;
1381 	enum kcgi_err kerr = KCGI_OK;
1382 
1383 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1384 		return got_error_from_errno("pledge");
1385 
1386 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1387 	if (error)
1388 		goto done;
1389 
1390 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1391 	    "summary_wrapper", KATTR__MAX);
1392 	if (kerr != KCGI_OK)
1393 		return gw_kcgi_error(kerr);
1394 
1395 	if (gw_trans->gw_conf->got_show_repo_description &&
1396 	    gw_trans->gw_dir->description != NULL &&
1397 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1398 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1399 		    KATTR_ID, "description_title", KATTR__MAX);
1400 		if (kerr != KCGI_OK)
1401 			goto done;
1402 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1403 		if (kerr != KCGI_OK)
1404 			goto done;
1405 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1406 		if (kerr != KCGI_OK)
1407 			goto done;
1408 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1409 		    KATTR_ID, "description", KATTR__MAX);
1410 		if (kerr != KCGI_OK)
1411 			goto done;
1412 		kerr = khtml_puts(gw_trans->gw_html_req,
1413 		    gw_trans->gw_dir->description);
1414 		if (kerr != KCGI_OK)
1415 			goto done;
1416 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1417 		if (kerr != KCGI_OK)
1418 			goto done;
1419 	}
1420 
1421 	if (gw_trans->gw_conf->got_show_repo_owner &&
1422 	    gw_trans->gw_dir->owner != NULL &&
1423 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1424 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1425 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1426 		if (kerr != KCGI_OK)
1427 			goto done;
1428 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1429 		if (kerr != KCGI_OK)
1430 			goto done;
1431 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1432 		if (kerr != KCGI_OK)
1433 			goto done;
1434 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1435 		    KATTR_ID, "repo_owner", KATTR__MAX);
1436 		if (kerr != KCGI_OK)
1437 			goto done;
1438 		kerr = khtml_puts(gw_trans->gw_html_req,
1439 		     gw_trans->gw_dir->owner);
1440 		if (kerr != KCGI_OK)
1441 			goto done;
1442 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1443 		if (kerr != KCGI_OK)
1444 			goto done;
1445 	}
1446 
1447 	if (gw_trans->gw_conf->got_show_repo_age) {
1448 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1449 		    NULL, TM_LONG);
1450 		if (error)
1451 			goto done;
1452 		if (age != NULL) {
1453 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1454 			    KATTR_ID, "last_change_title", KATTR__MAX);
1455 			if (kerr != KCGI_OK)
1456 				goto done;
1457 			kerr = khtml_puts(gw_trans->gw_html_req,
1458 			    "Last Change: ");
1459 			if (kerr != KCGI_OK)
1460 				goto done;
1461 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1462 			if (kerr != KCGI_OK)
1463 				goto done;
1464 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1465 			    KATTR_ID, "last_change", KATTR__MAX);
1466 			if (kerr != KCGI_OK)
1467 				goto done;
1468 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1469 			if (kerr != KCGI_OK)
1470 				goto done;
1471 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1472 			if (kerr != KCGI_OK)
1473 				goto done;
1474 		}
1475 	}
1476 
1477 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1478 	    gw_trans->gw_dir->url != NULL &&
1479 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1480 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1481 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1482 		if (kerr != KCGI_OK)
1483 			goto done;
1484 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1485 		if (kerr != KCGI_OK)
1486 			goto done;
1487 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1488 		if (kerr != KCGI_OK)
1489 			goto done;
1490 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1491 		    KATTR_ID, "cloneurl", KATTR__MAX);
1492 		if (kerr != KCGI_OK)
1493 			goto done;
1494 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1495 		if (kerr != KCGI_OK)
1496 			goto done;
1497 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1498 		if (kerr != KCGI_OK)
1499 			goto done;
1500 	}
1501 
1502 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1503 	if (kerr != KCGI_OK)
1504 		goto done;
1505 
1506 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1507 	    "briefs_title_wrapper", KATTR__MAX);
1508 	if (kerr != KCGI_OK)
1509 		goto done;
1510 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1511 	    "briefs_title", KATTR__MAX);
1512 	if (kerr != KCGI_OK)
1513 		goto done;
1514 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1515 	if (kerr != KCGI_OK)
1516 		goto done;
1517 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1518 	if (kerr != KCGI_OK)
1519 		goto done;
1520 	error = gw_briefs(gw_trans);
1521 	if (error)
1522 		goto done;
1523 
1524 	error = gw_tags(gw_trans);
1525 	if (error)
1526 		goto done;
1527 
1528 	error = gw_output_repo_heads(gw_trans);
1529 done:
1530 	free(age);
1531 	if (error == NULL && kerr != KCGI_OK)
1532 		error = gw_kcgi_error(kerr);
1533 	return error;
1534 }
1535 
1536 static const struct got_error *
1537 gw_tree(struct gw_trans *gw_trans)
1538 {
1539 	const struct got_error *error = NULL;
1540 	struct gw_header *header = NULL;
1541 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1542 	char *age = NULL;
1543 	enum kcgi_err kerr = KCGI_OK;
1544 
1545 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1546 		return got_error_from_errno("pledge");
1547 
1548 	if ((header = gw_init_header()) == NULL)
1549 		return got_error_from_errno("malloc");
1550 
1551 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1552 	if (error)
1553 		goto done;
1554 
1555 	error = gw_get_header(gw_trans, header, 1);
1556 	if (error)
1557 		goto done;
1558 
1559 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1560 	    "tree_header_wrapper", KATTR__MAX);
1561 	if (kerr != KCGI_OK)
1562 		goto done;
1563 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1564 	    "tree_header", KATTR__MAX);
1565 	if (kerr != KCGI_OK)
1566 		goto done;
1567 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1568 	if (error)
1569 		goto done;
1570 	error = gw_get_time_str(&age, header->committer_time,
1571 	    TM_LONG);
1572 	if (error)
1573 		goto done;
1574 	error = gw_gen_age_header(gw_trans, age ?age : "");
1575 	if (error)
1576 		goto done;
1577 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1578 	if (error)
1579 		goto done;
1580 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1581 	if (kerr != KCGI_OK)
1582 		goto done;
1583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1584 	    "dotted_line", KATTR__MAX);
1585 	if (kerr != KCGI_OK)
1586 		goto done;
1587 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1588 	if (kerr != KCGI_OK)
1589 		goto done;
1590 
1591 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1592 	    "tree", KATTR__MAX);
1593 	if (kerr != KCGI_OK)
1594 		goto done;
1595 	error = gw_output_repo_tree(gw_trans);
1596 	if (error)
1597 		goto done;
1598 
1599 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1600 done:
1601 	gw_free_header(header);
1602 	free(tree_html_disp);
1603 	free(tree_html);
1604 	free(tree);
1605 	free(age);
1606 	if (error == NULL && kerr != KCGI_OK)
1607 		error = gw_kcgi_error(kerr);
1608 	return error;
1609 }
1610 
1611 static const struct got_error *
1612 gw_tags(struct gw_trans *gw_trans)
1613 {
1614 	const struct got_error *error = NULL;
1615 	struct gw_header *header = NULL;
1616 	char *href_next = NULL, *href_prev = NULL;
1617 	enum kcgi_err kerr = KCGI_OK;
1618 
1619 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1620 		return got_error_from_errno("pledge");
1621 
1622 	if ((header = gw_init_header()) == NULL)
1623 		return got_error_from_errno("malloc");
1624 
1625 	if (gw_trans->action != GW_SUMMARY) {
1626 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1627 		if (error)
1628 			goto done;
1629 	}
1630 
1631 	error = gw_get_header(gw_trans, header, 1);
1632 	if (error)
1633 		goto done;
1634 
1635 	if (gw_trans->action == GW_SUMMARY) {
1636 		gw_trans->next_id = NULL;
1637 		error = gw_output_repo_tags(gw_trans, header,
1638 		    D_MAXSLCOMMDISP, TAGBRIEF);
1639 		if (error)
1640 			goto done;
1641 	} else {
1642 		error = gw_output_repo_tags(gw_trans, header,
1643 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1644 		if (error)
1645 			goto done;
1646 	}
1647 
1648 	if (gw_trans->next_id || gw_trans->page > 0) {
1649 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1650 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1651 		if (kerr != KCGI_OK)
1652 			goto done;
1653 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1654 		    KATTR_ID, "nav_prev", KATTR__MAX);
1655 		if (kerr != KCGI_OK)
1656 			goto done;
1657 	}
1658 
1659 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1660 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1661 		    KATTRX_STRING, gw_trans->repo_name, "page",
1662 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1663 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1664 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1665 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1666 		    gw_trans->prev_prev_id : "", NULL);
1667 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1668 		    KATTR_HREF, href_prev, KATTR__MAX);
1669 		if (kerr != KCGI_OK)
1670 			goto done;
1671 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1672 		if (kerr != KCGI_OK)
1673 			goto done;
1674 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1675 		if (kerr != KCGI_OK)
1676 			goto done;
1677 	}
1678 
1679 	if (gw_trans->next_id || gw_trans->page > 0) {
1680 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1681 		if (kerr != KCGI_OK)
1682 			return gw_kcgi_error(kerr);
1683 	}
1684 
1685 	if (gw_trans->next_id) {
1686 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1687 		    KATTR_ID, "nav_next", KATTR__MAX);
1688 		if (kerr != KCGI_OK)
1689 			goto done;
1690 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1691 		    KATTRX_STRING, gw_trans->repo_name, "page",
1692 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1693 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1694 		    gw_trans->next_id, "prev", KATTRX_STRING,
1695 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1696 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1697 		    gw_trans->prev_id : "", NULL);
1698 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1699 		    KATTR_HREF, href_next, KATTR__MAX);
1700 		if (kerr != KCGI_OK)
1701 			goto done;
1702 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1703 		if (kerr != KCGI_OK)
1704 			goto done;
1705 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1706 		if (kerr != KCGI_OK)
1707 			goto done;
1708 	}
1709 
1710 	if (gw_trans->next_id || gw_trans->page > 0) {
1711 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1712 		if (kerr != KCGI_OK)
1713 			goto done;
1714 	}
1715 done:
1716 	gw_free_header(header);
1717 	free(href_next);
1718 	free(href_prev);
1719 	if (error == NULL && kerr != KCGI_OK)
1720 		error = gw_kcgi_error(kerr);
1721 	return error;
1722 }
1723 
1724 static const struct got_error *
1725 gw_tag(struct gw_trans *gw_trans)
1726 {
1727 	const struct got_error *error = NULL;
1728 	struct gw_header *header = NULL;
1729 	enum kcgi_err kerr = KCGI_OK;
1730 
1731 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1732 		return got_error_from_errno("pledge");
1733 
1734 	if ((header = gw_init_header()) == NULL)
1735 		return got_error_from_errno("malloc");
1736 
1737 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1738 	if (error)
1739 		goto done;
1740 
1741 	if (gw_trans->commit_id == NULL) {
1742 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1743 		    "commit required in querystring");
1744 		goto done;
1745 	}
1746 
1747 	error = gw_get_header(gw_trans, header, 1);
1748 	if (error)
1749 		goto done;
1750 
1751 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1752 	    "tag_header_wrapper", KATTR__MAX);
1753 	if (kerr != KCGI_OK)
1754 		goto done;
1755 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1756 	    "tag_header", KATTR__MAX);
1757 	if (kerr != KCGI_OK)
1758 		goto done;
1759 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1760 	    header->refs_str);
1761 	if (error)
1762 		goto done;
1763 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1764 	if (error)
1765 		goto done;
1766 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1767 	if (kerr != KCGI_OK)
1768 		goto done;
1769 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1770 	    "dotted_line", KATTR__MAX);
1771 	if (kerr != KCGI_OK)
1772 		goto done;
1773 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1774 	if (kerr != KCGI_OK)
1775 		goto done;
1776 
1777 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1778 	    "tree", KATTR__MAX);
1779 	if (kerr != KCGI_OK)
1780 		goto done;
1781 
1782 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1783 	if (error)
1784 		goto done;
1785 
1786 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1787 done:
1788 	gw_free_header(header);
1789 	if (error == NULL && kerr != KCGI_OK)
1790 		error = gw_kcgi_error(kerr);
1791 	return error;
1792 }
1793 
1794 static const struct got_error *
1795 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1796 {
1797 	const struct got_error *error = NULL;
1798 	DIR *dt;
1799 	char *dir_test;
1800 	int opened = 0;
1801 
1802 	if (asprintf(&dir_test, "%s/%s/%s",
1803 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1804 	    GOTWEB_GIT_DIR) == -1)
1805 		return got_error_from_errno("asprintf");
1806 
1807 	dt = opendir(dir_test);
1808 	if (dt == NULL) {
1809 		free(dir_test);
1810 	} else {
1811 		gw_dir->path = strdup(dir_test);
1812 		if (gw_dir->path == NULL) {
1813 			opened = 1;
1814 			error = got_error_from_errno("strdup");
1815 			goto errored;
1816 		}
1817 		opened = 1;
1818 		goto done;
1819 	}
1820 
1821 	if (asprintf(&dir_test, "%s/%s/%s",
1822 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1823 	    GOTWEB_GOT_DIR) == -1) {
1824 		dir_test = NULL;
1825 		error = got_error_from_errno("asprintf");
1826 		goto errored;
1827 	}
1828 
1829 	dt = opendir(dir_test);
1830 	if (dt == NULL)
1831 		free(dir_test);
1832 	else {
1833 		opened = 1;
1834 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1835 		goto errored;
1836 	}
1837 
1838 	if (asprintf(&dir_test, "%s/%s",
1839 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1840 		error = got_error_from_errno("asprintf");
1841 		dir_test = NULL;
1842 		goto errored;
1843 	}
1844 
1845 	gw_dir->path = strdup(dir_test);
1846 	if (gw_dir->path == NULL) {
1847 		opened = 1;
1848 		error = got_error_from_errno("strdup");
1849 		goto errored;
1850 	}
1851 
1852 	dt = opendir(dir_test);
1853 	if (dt == NULL) {
1854 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1855 		goto errored;
1856 	} else
1857 		opened = 1;
1858 done:
1859 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1860 	    gw_dir->path);
1861 	if (error)
1862 		goto errored;
1863 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1864 	if (error)
1865 		goto errored;
1866 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1867 	    NULL, TM_DIFF);
1868 	if (error)
1869 		goto errored;
1870 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1871 errored:
1872 	free(dir_test);
1873 	if (opened)
1874 		if (dt && closedir(dt) == -1 && error == NULL)
1875 			error = got_error_from_errno("closedir");
1876 	return error;
1877 }
1878 
1879 static const struct got_error *
1880 gw_load_got_paths(struct gw_trans *gw_trans)
1881 {
1882 	const struct got_error *error = NULL;
1883 	DIR *d;
1884 	struct dirent **sd_dent;
1885 	struct gw_dir *gw_dir;
1886 	struct stat st;
1887 	unsigned int d_cnt, d_i;
1888 
1889 	d = opendir(gw_trans->gw_conf->got_repos_path);
1890 	if (d == NULL) {
1891 		error = got_error_from_errno2("opendir",
1892 		    gw_trans->gw_conf->got_repos_path);
1893 		return error;
1894 	}
1895 
1896 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1897 	    alphasort);
1898 	if (d_cnt == -1) {
1899 		error = got_error_from_errno2("scandir",
1900 		    gw_trans->gw_conf->got_repos_path);
1901 		goto done;
1902 	}
1903 
1904 	for (d_i = 0; d_i < d_cnt; d_i++) {
1905 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1906 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1907 			break; /* account for parent and self */
1908 
1909 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1910 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1911 			continue;
1912 
1913 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1914 		if (error)
1915 			goto done;
1916 
1917 		error = gw_load_got_path(gw_trans, gw_dir);
1918 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1919 			error = NULL;
1920 			continue;
1921 		}
1922 		else if (error)
1923 			goto done;
1924 
1925 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
1926 		    !got_path_dir_is_empty(gw_dir->path)) {
1927 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
1928 			    entry);
1929 			gw_trans->repos_total++;
1930 		}
1931 	}
1932 done:
1933 	if (d && closedir(d) == -1 && error == NULL)
1934 		error = got_error_from_errno("closedir");
1935 	return error;
1936 }
1937 
1938 static const struct got_error *
1939 gw_parse_querystring(struct gw_trans *gw_trans)
1940 {
1941 	const struct got_error *error = NULL;
1942 	struct kpair *p;
1943 	struct gw_query_action *action = NULL;
1944 	unsigned int i;
1945 
1946 	if (gw_trans->gw_req->fieldnmap[0]) {
1947 		return got_error(GOT_ERR_QUERYSTRING);
1948 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
1949 		/* define gw_trans->repo_path */
1950 		gw_trans->repo_name = p->parsed.s;
1951 
1952 		if (asprintf(&gw_trans->repo_path, "%s/%s",
1953 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
1954 			return got_error_from_errno("asprintf");
1955 
1956 		/* get action and set function */
1957 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
1958 			for (i = 0; i < nitems(gw_query_funcs); i++) {
1959 				action = &gw_query_funcs[i];
1960 				if (action->func_name == NULL)
1961 					continue;
1962 				if (strcmp(action->func_name,
1963 				    p->parsed.s) == 0) {
1964 					gw_trans->action = i;
1965 					break;
1966 				}
1967 			}
1968 		}
1969 		if (gw_trans->action == -1) {
1970 			gw_trans->action = GW_ERR;
1971 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
1972 			    p != NULL ? "bad action in querystring" :
1973 			    "no action in querystring");
1974 			return error;
1975 		}
1976 
1977  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
1978 			if (asprintf(&gw_trans->commit_id, "%s",
1979 			    p->parsed.s) == -1)
1980 				return got_error_from_errno("asprintf");
1981 		}
1982 
1983 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
1984 			gw_trans->repo_file = p->parsed.s;
1985 
1986 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
1987 			if (asprintf(&gw_trans->repo_folder, "%s",
1988 			    p->parsed.s) == -1)
1989 				return got_error_from_errno("asprintf");
1990 		}
1991 
1992 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
1993 			if (asprintf(&gw_trans->prev_id, "%s",
1994 			    p->parsed.s) == -1)
1995 				return got_error_from_errno("asprintf");
1996 		}
1997 
1998 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_PREV_ID])) {
1999 			if (asprintf(&gw_trans->prev_prev_id, "%s",
2000 			    p->parsed.s) == -1)
2001 				return got_error_from_errno("asprintf");
2002 		}
2003 
2004 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2005 			gw_trans->headref = p->parsed.s;
2006 
2007 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2008 		if (error)
2009 			return error;
2010 
2011 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2012 	} else
2013 		gw_trans->action = GW_INDEX;
2014 
2015 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2016 		gw_trans->page = p->parsed.i;
2017 
2018 	return error;
2019 }
2020 
2021 static const struct got_error *
2022 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2023 {
2024 	const struct got_error *error;
2025 
2026 	*gw_dir = malloc(sizeof(**gw_dir));
2027 	if (*gw_dir == NULL)
2028 		return got_error_from_errno("malloc");
2029 
2030 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2031 		error = got_error_from_errno("asprintf");
2032 		free(*gw_dir);
2033 		*gw_dir = NULL;
2034 		return NULL;
2035 	}
2036 
2037 	return NULL;
2038 }
2039 
2040 static const struct got_error *
2041 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2042 {
2043 	enum kcgi_err kerr = KCGI_OK;
2044 
2045 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2046 	if (kerr != KCGI_OK)
2047 		return gw_kcgi_error(kerr);
2048 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2049 	    khttps[code]);
2050 	if (kerr != KCGI_OK)
2051 		return gw_kcgi_error(kerr);
2052 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2053 	    kmimetypes[mime]);
2054 	if (kerr != KCGI_OK)
2055 		return gw_kcgi_error(kerr);
2056 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2057 	    "nosniff");
2058 	if (kerr != KCGI_OK)
2059 		return gw_kcgi_error(kerr);
2060 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2061 	if (kerr != KCGI_OK)
2062 		return gw_kcgi_error(kerr);
2063 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2064 	    "1; mode=block");
2065 	if (kerr != KCGI_OK)
2066 		return gw_kcgi_error(kerr);
2067 
2068 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2069 		kerr = khttp_head(gw_trans->gw_req,
2070 		    kresps[KRESP_CONTENT_DISPOSITION],
2071 		    "attachment; filename=%s", gw_trans->repo_file);
2072 		if (kerr != KCGI_OK)
2073 			return gw_kcgi_error(kerr);
2074 	}
2075 
2076 	kerr = khttp_body(gw_trans->gw_req);
2077 	return gw_kcgi_error(kerr);
2078 }
2079 
2080 static const struct got_error *
2081 gw_display_index(struct gw_trans *gw_trans)
2082 {
2083 	const struct got_error *error;
2084 	enum kcgi_err kerr = KCGI_OK;
2085 
2086 	/* catch early querystring errors */
2087 	if (gw_trans->error)
2088 		gw_trans->action = GW_ERR;
2089 
2090 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2091 	if (error)
2092 		return error;
2093 
2094 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2095 	if (kerr != KCGI_OK)
2096 		return gw_kcgi_error(kerr);
2097 
2098 	if (gw_trans->action != GW_BLOB) {
2099 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2100 		    gw_query_funcs[gw_trans->action].template);
2101 		if (kerr != KCGI_OK) {
2102 			khtml_close(gw_trans->gw_html_req);
2103 			return gw_kcgi_error(kerr);
2104 		}
2105 	}
2106 
2107 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2108 }
2109 
2110 static const struct got_error *
2111 gw_error(struct gw_trans *gw_trans)
2112 {
2113 	enum kcgi_err kerr = KCGI_OK;
2114 
2115 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2116 
2117 	return gw_kcgi_error(kerr);
2118 }
2119 
2120 static int
2121 gw_template(size_t key, void *arg)
2122 {
2123 	const struct got_error *error = NULL;
2124 	enum kcgi_err kerr = KCGI_OK;
2125 	struct gw_trans *gw_trans = arg;
2126 	char *img_src = NULL;
2127 
2128 	switch (key) {
2129 	case (TEMPL_HEAD):
2130 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2131 		    KATTR_NAME, "viewport",
2132 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2133 		    KATTR__MAX);
2134 		if (kerr != KCGI_OK)
2135 			return 0;
2136 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2137 		if (kerr != KCGI_OK)
2138 			return 0;
2139 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2140 		    KATTR_CHARSET, "utf-8",
2141 		    KATTR__MAX);
2142 		if (kerr != KCGI_OK)
2143 			return 0;
2144 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2145 		if (kerr != KCGI_OK)
2146 			return 0;
2147 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2148 		    KATTR_NAME, "msapplication-TileColor",
2149 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2150 		if (kerr != KCGI_OK)
2151 			return 0;
2152 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2153 		if (kerr != KCGI_OK)
2154 			return 0;
2155 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2156 		    KATTR_NAME, "theme-color",
2157 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2158 		if (kerr != KCGI_OK)
2159 			return 0;
2160 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2161 		if (kerr != KCGI_OK)
2162 			return 0;
2163 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2164 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2165 		    KATTR_HREF, "/apple-touch-icon.png", KATTR__MAX);
2166 		if (kerr != KCGI_OK)
2167 			return 0;
2168 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2169 		if (kerr != KCGI_OK)
2170 			return 0;
2171 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2172 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2173 		    "32x32", KATTR_HREF, "/favicon-32x32.png", KATTR__MAX);
2174 		if (kerr != KCGI_OK)
2175 			return 0;
2176 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2177 		if (kerr != KCGI_OK)
2178 			return 0;
2179 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2180 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2181 		    "16x16", KATTR_HREF, "/favicon-16x16.png", KATTR__MAX);
2182 		if (kerr != KCGI_OK)
2183 			return 0;
2184 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2185 		if (kerr != KCGI_OK)
2186 			return 0;
2187 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2188 		    KATTR_REL, "manifest", KATTR_HREF, "/site.webmanifest",
2189 		    KATTR__MAX);
2190 		if (kerr != KCGI_OK)
2191 			return 0;
2192 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2193 		if (kerr != KCGI_OK)
2194 			return 0;
2195 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2196 		    KATTR_REL, "mask-icon", KATTR_HREF,
2197 		    "/safari-pinned-tab.svg", KATTR__MAX);
2198 		if (kerr != KCGI_OK)
2199 			return 0;
2200 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2201 		if (kerr != KCGI_OK)
2202 			return 0;
2203 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2204 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2205 		    KATTR_HREF, "/gotweb.css", KATTR__MAX);
2206 		if (kerr != KCGI_OK)
2207 			return 0;
2208 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2209 		if (kerr != KCGI_OK)
2210 			return 0;
2211 		break;
2212 	case(TEMPL_HEADER):
2213 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2214 		    KATTR_ID, "got_link", KATTR__MAX);
2215 		if (kerr != KCGI_OK)
2216 			return 0;
2217 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2218 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2219 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2220 		if (kerr != KCGI_OK)
2221 			return 0;
2222 		if (asprintf(&img_src, "/%s",
2223 		    gw_trans->gw_conf->got_logo) == -1)
2224 			return 0;
2225 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2226 		    KATTR_SRC, img_src, KATTR__MAX);
2227 		if (kerr != KCGI_OK) {
2228 			free(img_src);
2229 			return 0;
2230 		}
2231 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2232 		if (kerr != KCGI_OK) {
2233 			free(img_src);
2234 			return 0;
2235 		}
2236 		break;
2237 	case (TEMPL_SITEPATH):
2238 		error = gw_output_site_link(gw_trans);
2239 		if (error)
2240 			return 0;
2241 		break;
2242 	case(TEMPL_TITLE):
2243 		if (gw_trans->gw_conf->got_site_name != NULL) {
2244 			kerr = khtml_puts(gw_trans->gw_html_req,
2245 			    gw_trans->gw_conf->got_site_name);
2246 			if (kerr != KCGI_OK)
2247 				return 0;
2248 		}
2249 		break;
2250 	case (TEMPL_SEARCH):
2251 		break;
2252 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2253 		    "search", KATTR__MAX);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2257 			    KATTR_METHOD, "POST", KATTR__MAX);
2258 		if (kerr != KCGI_OK)
2259 			return 0;
2260 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2261 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2262 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2263 		if (kerr != KCGI_OK)
2264 			return 0;
2265 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2266 		    KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2273 		if (kerr != KCGI_OK)
2274 			return 0;
2275 		break;
2276 	case(TEMPL_SITEOWNER):
2277 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2278 		    gw_trans->gw_conf->got_show_site_owner) {
2279 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2280 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2281 			if (kerr != KCGI_OK)
2282 				return 0;
2283 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2284 			    KATTR_ID, "site_owner", KATTR__MAX);
2285 			if (kerr != KCGI_OK)
2286 				return 0;
2287 			kerr = khtml_puts(gw_trans->gw_html_req,
2288 			    gw_trans->gw_conf->got_site_owner);
2289 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2290 			if (kerr != KCGI_OK)
2291 				return 0;
2292 		}
2293 		break;
2294 	case(TEMPL_CONTENT):
2295 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2296 		if (error) {
2297 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2298 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2299 			if (kerr != KCGI_OK)
2300 				return 0;
2301 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2302 			    error->msg);
2303 			if (kerr != KCGI_OK)
2304 				return 0;
2305 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2306 			if (kerr != KCGI_OK)
2307 				return 0;
2308 		}
2309 		break;
2310 	default:
2311 		return 0;
2312 	}
2313 	return 1;
2314 }
2315 
2316 static const struct got_error *
2317 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2318 {
2319 	const struct got_error *error = NULL;
2320 	enum kcgi_err kerr = KCGI_OK;
2321 
2322 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2323 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2324 	if (kerr != KCGI_OK)
2325 		goto done;
2326 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2327 	if (kerr != KCGI_OK)
2328 		goto done;
2329 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2330 	if (kerr != KCGI_OK)
2331 		goto done;
2332 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2333 	    KATTR_ID, "header_commit", KATTR__MAX);
2334 	if (kerr != KCGI_OK)
2335 		goto done;
2336 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2337 	if (kerr != KCGI_OK)
2338 		goto done;
2339 	if (str2 != NULL) {
2340 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2341 		    KATTR_ID, "refs_str", KATTR__MAX);
2342 		if (kerr != KCGI_OK)
2343 			goto done;
2344 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2345 		if (kerr != KCGI_OK)
2346 			goto done;
2347 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2348 		if (kerr != KCGI_OK)
2349 			goto done;
2350 	}
2351 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2352 done:
2353 	if (error == NULL && kerr != KCGI_OK)
2354 		error = gw_kcgi_error(kerr);
2355 	return error;
2356 }
2357 
2358 static const struct got_error *
2359 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2360 {
2361 	const struct got_error *error = NULL;
2362 	enum kcgi_err kerr = KCGI_OK;
2363 
2364 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2365 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2366 	if (kerr != KCGI_OK)
2367 		goto done;
2368 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2369 	if (kerr != KCGI_OK)
2370 		goto done;
2371 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2372 	if (kerr != KCGI_OK)
2373 		goto done;
2374 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2375 	    KATTR_ID, "header_diff", KATTR__MAX);
2376 	if (kerr != KCGI_OK)
2377 		goto done;
2378 	if (str1 != NULL) {
2379 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2380 		if (kerr != KCGI_OK)
2381 			goto done;
2382 	}
2383 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2384 	if (kerr != KCGI_OK)
2385 		goto done;
2386 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2387 	if (kerr != KCGI_OK)
2388 		goto done;
2389 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2390 done:
2391 	if (error == NULL && kerr != KCGI_OK)
2392 		error = gw_kcgi_error(kerr);
2393 	return error;
2394 }
2395 
2396 static const struct got_error *
2397 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2398 {
2399 	const struct got_error *error = NULL;
2400 	enum kcgi_err kerr = KCGI_OK;
2401 
2402 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2403 	    KATTR_ID, "header_age_title", KATTR__MAX);
2404 	if (kerr != KCGI_OK)
2405 		goto done;
2406 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2407 	if (kerr != KCGI_OK)
2408 		goto done;
2409 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2410 	if (kerr != KCGI_OK)
2411 		goto done;
2412 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2413 	    KATTR_ID, "header_age", KATTR__MAX);
2414 	if (kerr != KCGI_OK)
2415 		goto done;
2416 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2417 	if (kerr != KCGI_OK)
2418 		goto done;
2419 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2420 done:
2421 	if (error == NULL && kerr != KCGI_OK)
2422 		error = gw_kcgi_error(kerr);
2423 	return error;
2424 }
2425 
2426 static const struct got_error *
2427 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2428 {
2429 	const struct got_error *error = NULL;
2430 	enum kcgi_err kerr = KCGI_OK;
2431 
2432 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2433 	    KATTR_ID, "header_author_title", KATTR__MAX);
2434 	if (kerr != KCGI_OK)
2435 		goto done;
2436 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2440 	if (kerr != KCGI_OK)
2441 		goto done;
2442 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2443 	    KATTR_ID, "header_author", KATTR__MAX);
2444 	if (kerr != KCGI_OK)
2445 		goto done;
2446 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2450 done:
2451 	if (error == NULL && kerr != KCGI_OK)
2452 		error = gw_kcgi_error(kerr);
2453 	return error;
2454 }
2455 
2456 static const struct got_error *
2457 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2458 {
2459 	const struct got_error *error = NULL;
2460 	enum kcgi_err kerr = KCGI_OK;
2461 
2462 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2463 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2464 	if (kerr != KCGI_OK)
2465 		goto done;
2466 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2467 	if (kerr != KCGI_OK)
2468 		goto done;
2469 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2470 	if (kerr != KCGI_OK)
2471 		goto done;
2472 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2473 	    KATTR_ID, "header_committer", KATTR__MAX);
2474 	if (kerr != KCGI_OK)
2475 		goto done;
2476 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2477 	if (kerr != KCGI_OK)
2478 		goto done;
2479 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2480 done:
2481 	if (error == NULL && kerr != KCGI_OK)
2482 		error = gw_kcgi_error(kerr);
2483 	return error;
2484 }
2485 
2486 static const struct got_error *
2487 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2488 {
2489 	const struct got_error *error = NULL;
2490 	enum kcgi_err kerr = KCGI_OK;
2491 
2492 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2493 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2494 	if (kerr != KCGI_OK)
2495 		goto done;
2496 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2500 	if (kerr != KCGI_OK)
2501 		goto done;
2502 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2503 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2504 	if (kerr != KCGI_OK)
2505 		goto done;
2506 	kerr = khttp_puts(gw_trans->gw_req, str);
2507 	if (kerr != KCGI_OK)
2508 		goto done;
2509 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2510 done:
2511 	if (error == NULL && kerr != KCGI_OK)
2512 		error = gw_kcgi_error(kerr);
2513 	return error;
2514 }
2515 
2516 static const struct got_error *
2517 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2518 {
2519 	const struct got_error *error = NULL;
2520 	enum kcgi_err kerr = KCGI_OK;
2521 
2522 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2523 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2524 	if (kerr != KCGI_OK)
2525 		goto done;
2526 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2530 	if (kerr != KCGI_OK)
2531 		goto done;
2532 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2533 	    KATTR_ID, "header_tree", KATTR__MAX);
2534 	if (kerr != KCGI_OK)
2535 		goto done;
2536 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2537 	if (kerr != KCGI_OK)
2538 		goto done;
2539 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2540 done:
2541 	if (error == NULL && kerr != KCGI_OK)
2542 		error = gw_kcgi_error(kerr);
2543 	return error;
2544 }
2545 
2546 static const struct got_error *
2547 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2548     char *dir)
2549 {
2550 	const struct got_error *error = NULL;
2551 	FILE *f = NULL;
2552 	char *d_file = NULL;
2553 	unsigned int len;
2554 	size_t n;
2555 
2556 	*description = NULL;
2557 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2558 		return NULL;
2559 
2560 	if (asprintf(&d_file, "%s/description", dir) == -1)
2561 		return got_error_from_errno("asprintf");
2562 
2563 	f = fopen(d_file, "r");
2564 	if (f == NULL) {
2565 		if (errno == ENOENT || errno == EACCES)
2566 			return NULL;
2567 		error = got_error_from_errno2("fopen", d_file);
2568 		goto done;
2569 	}
2570 
2571 	if (fseek(f, 0, SEEK_END) == -1) {
2572 		error = got_ferror(f, GOT_ERR_IO);
2573 		goto done;
2574 	}
2575 	len = ftell(f);
2576 	if (len == -1) {
2577 		error = got_ferror(f, GOT_ERR_IO);
2578 		goto done;
2579 	}
2580 	if (fseek(f, 0, SEEK_SET) == -1) {
2581 		error = got_ferror(f, GOT_ERR_IO);
2582 		goto done;
2583 	}
2584 	*description = calloc(len + 1, sizeof(**description));
2585 	if (*description == NULL) {
2586 		error = got_error_from_errno("calloc");
2587 		goto done;
2588 	}
2589 
2590 	n = fread(*description, 1, len, f);
2591 	if (n == 0 && ferror(f))
2592 		error = got_ferror(f, GOT_ERR_IO);
2593 done:
2594 	if (f != NULL && fclose(f) == -1 && error == NULL)
2595 		error = got_error_from_errno("fclose");
2596 	free(d_file);
2597 	return error;
2598 }
2599 
2600 static const struct got_error *
2601 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2602 {
2603 	struct tm tm;
2604 	time_t diff_time;
2605 	char *years = "years ago", *months = "months ago";
2606 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2607 	char *minutes = "minutes ago", *seconds = "seconds ago";
2608 	char *now = "right now";
2609 	char *s;
2610 	char datebuf[29];
2611 
2612 	*repo_age = NULL;
2613 
2614 	switch (ref_tm) {
2615 	case TM_DIFF:
2616 		diff_time = time(NULL) - committer_time;
2617 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2618 			if (asprintf(repo_age, "%lld %s",
2619 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2620 				return got_error_from_errno("asprintf");
2621 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2622 			if (asprintf(repo_age, "%lld %s",
2623 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2624 			    months) == -1)
2625 				return got_error_from_errno("asprintf");
2626 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2627 			if (asprintf(repo_age, "%lld %s",
2628 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2629 				return got_error_from_errno("asprintf");
2630 		} else if (diff_time > 60 * 60 * 24 * 2) {
2631 			if (asprintf(repo_age, "%lld %s",
2632 			    (diff_time / 60 / 60 / 24), days) == -1)
2633 				return got_error_from_errno("asprintf");
2634 		} else if (diff_time > 60 * 60 * 2) {
2635 			if (asprintf(repo_age, "%lld %s",
2636 			    (diff_time / 60 / 60), hours) == -1)
2637 				return got_error_from_errno("asprintf");
2638 		} else if (diff_time > 60 * 2) {
2639 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2640 			    minutes) == -1)
2641 				return got_error_from_errno("asprintf");
2642 		} else if (diff_time > 2) {
2643 			if (asprintf(repo_age, "%lld %s", diff_time,
2644 			    seconds) == -1)
2645 				return got_error_from_errno("asprintf");
2646 		} else {
2647 			if (asprintf(repo_age, "%s", now) == -1)
2648 				return got_error_from_errno("asprintf");
2649 		}
2650 		break;
2651 	case TM_LONG:
2652 		if (gmtime_r(&committer_time, &tm) == NULL)
2653 			return got_error_from_errno("gmtime_r");
2654 
2655 		s = asctime_r(&tm, datebuf);
2656 		if (s == NULL)
2657 			return got_error_from_errno("asctime_r");
2658 
2659 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2660 			return got_error_from_errno("asprintf");
2661 		break;
2662 	}
2663 	return NULL;
2664 }
2665 
2666 static const struct got_error *
2667 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2668     const char *refname, int ref_tm)
2669 {
2670 	const struct got_error *error = NULL;
2671 	struct got_repository *repo = NULL;
2672 	struct got_commit_object *commit = NULL;
2673 	struct got_reflist_head refs;
2674 	struct got_reflist_entry *re;
2675 	time_t committer_time = 0, cmp_time = 0;
2676 
2677 	*repo_age = NULL;
2678 	SIMPLEQ_INIT(&refs);
2679 
2680 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2681 		return NULL;
2682 
2683 	if (gw_trans->repo)
2684 		repo = gw_trans->repo;
2685 	else {
2686 		error = got_repo_open(&repo, dir, NULL);
2687 		if (error)
2688 			return error;
2689 	}
2690 
2691 	error = got_ref_list(&refs, repo, "refs/heads",
2692 	    got_ref_cmp_by_name, NULL);
2693 	if (error)
2694 		goto done;
2695 
2696 	/*
2697 	 * Find the youngest branch tip in the repository, or the age of
2698 	 * the a specific branch tip if a name was provided by the caller.
2699 	 */
2700 	SIMPLEQ_FOREACH(re, &refs, entry) {
2701 		struct got_object_id *id = NULL;
2702 
2703 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2704 			continue;
2705 
2706 		error = got_ref_resolve(&id, repo, re->ref);
2707 		if (error)
2708 			goto done;
2709 
2710 		error = got_object_open_as_commit(&commit, repo, id);
2711 		free(id);
2712 		if (error)
2713 			goto done;
2714 
2715 		committer_time =
2716 		    got_object_commit_get_committer_time(commit);
2717 		got_object_commit_close(commit);
2718 		if (cmp_time < committer_time)
2719 			cmp_time = committer_time;
2720 
2721 		if (refname)
2722 			break;
2723 	}
2724 
2725 	if (cmp_time != 0) {
2726 		committer_time = cmp_time;
2727 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2728 	}
2729 done:
2730 	got_ref_list_free(&refs);
2731 	if (gw_trans->repo == NULL)
2732 		got_repo_close(repo);
2733 	return error;
2734 }
2735 
2736 static const struct got_error *
2737 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2738 {
2739 	const struct got_error *error;
2740 	FILE *f = NULL;
2741 	struct got_object_id *id1 = NULL, *id2 = NULL;
2742 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2743 	int obj_type;
2744 	size_t linesize = 0;
2745 	ssize_t linelen;
2746 	enum kcgi_err kerr = KCGI_OK;
2747 
2748 	f = got_opentemp();
2749 	if (f == NULL)
2750 		return NULL;
2751 
2752 	if (header->parent_id != NULL &&
2753 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2754 		error = got_repo_match_object_id(&id1, &label1,
2755 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2756 		if (error)
2757 			goto done;
2758 	}
2759 
2760 	error = got_repo_match_object_id(&id2, &label2,
2761 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2762 	if (error)
2763 		goto done;
2764 
2765 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2766 	if (error)
2767 		goto done;
2768 	switch (obj_type) {
2769 	case GOT_OBJ_TYPE_BLOB:
2770 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2771 		    gw_trans->repo, f);
2772 		break;
2773 	case GOT_OBJ_TYPE_TREE:
2774 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2775 		    gw_trans->repo, f);
2776 		break;
2777 	case GOT_OBJ_TYPE_COMMIT:
2778 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2779 		    gw_trans->repo, f);
2780 		break;
2781 	default:
2782 		error = got_error(GOT_ERR_OBJ_TYPE);
2783 	}
2784 	if (error)
2785 		goto done;
2786 
2787 	if (fseek(f, 0, SEEK_SET) == -1) {
2788 		error = got_ferror(f, GOT_ERR_IO);
2789 		goto done;
2790 	}
2791 
2792 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2793 		error = gw_colordiff_line(gw_trans, line);
2794 		if (error)
2795 			goto done;
2796 		/* XXX: KHTML_PRETTY breaks this */
2797 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2798 		if (kerr != KCGI_OK)
2799 			goto done;
2800 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2801 		if (kerr != KCGI_OK)
2802 			goto done;
2803 	}
2804 	if (linelen == -1 && ferror(f))
2805 		error = got_error_from_errno("getline");
2806 done:
2807 	if (f && fclose(f) == -1 && error == NULL)
2808 		error = got_error_from_errno("fclose");
2809 	free(line);
2810 	free(label1);
2811 	free(label2);
2812 	free(id1);
2813 	free(id2);
2814 
2815 	if (error == NULL && kerr != KCGI_OK)
2816 		error = gw_kcgi_error(kerr);
2817 	return error;
2818 }
2819 
2820 static const struct got_error *
2821 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2822 {
2823 	const struct got_error *error = NULL;
2824 	struct got_repository *repo;
2825 	const char *gitconfig_owner;
2826 
2827 	*owner = NULL;
2828 
2829 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2830 		return NULL;
2831 
2832 	error = got_repo_open(&repo, dir, NULL);
2833 	if (error)
2834 		return error;
2835 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2836 	if (gitconfig_owner) {
2837 		*owner = strdup(gitconfig_owner);
2838 		if (*owner == NULL)
2839 			error = got_error_from_errno("strdup");
2840 	}
2841 	got_repo_close(repo);
2842 	return error;
2843 }
2844 
2845 static const struct got_error *
2846 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2847 {
2848 	const struct got_error *error = NULL;
2849 	FILE *f;
2850 	char *d_file = NULL;
2851 	unsigned int len;
2852 	size_t n;
2853 
2854 	*url = NULL;
2855 
2856 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2857 		return got_error_from_errno("asprintf");
2858 
2859 	f = fopen(d_file, "r");
2860 	if (f == NULL) {
2861 		if (errno != ENOENT && errno != EACCES)
2862 			error = got_error_from_errno2("fopen", d_file);
2863 		goto done;
2864 	}
2865 
2866 	if (fseek(f, 0, SEEK_END) == -1) {
2867 		error = got_ferror(f, GOT_ERR_IO);
2868 		goto done;
2869 	}
2870 	len = ftell(f);
2871 	if (len == -1) {
2872 		error = got_ferror(f, GOT_ERR_IO);
2873 		goto done;
2874 	}
2875 	if (fseek(f, 0, SEEK_SET) == -1) {
2876 		error = got_ferror(f, GOT_ERR_IO);
2877 		goto done;
2878 	}
2879 
2880 	*url = calloc(len + 1, sizeof(**url));
2881 	if (*url == NULL) {
2882 		error = got_error_from_errno("calloc");
2883 		goto done;
2884 	}
2885 
2886 	n = fread(*url, 1, len, f);
2887 	if (n == 0 && ferror(f))
2888 		error = got_ferror(f, GOT_ERR_IO);
2889 done:
2890 	if (f && fclose(f) == -1 && error == NULL)
2891 		error = got_error_from_errno("fclose");
2892 	free(d_file);
2893 	return NULL;
2894 }
2895 
2896 static const struct got_error *
2897 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2898     int limit, int tag_type)
2899 {
2900 	const struct got_error *error = NULL;
2901 	struct got_reflist_head refs;
2902 	struct got_reflist_entry *re;
2903 	char *age = NULL;
2904 	char *id_str = NULL, *newline, *href_commits = NULL;
2905 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2906 	struct got_tag_object *tag = NULL;
2907 	enum kcgi_err kerr = KCGI_OK;
2908 	int summary_header_displayed = 0, start_tag = 0, chk_next = 0;
2909 	int prev_set = 0, tag_count = 0;
2910 
2911 	SIMPLEQ_INIT(&refs);
2912 
2913 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2914 	    got_ref_cmp_tags, gw_trans->repo);
2915 	if (error)
2916 		goto done;
2917 
2918 	SIMPLEQ_FOREACH(re, &refs, entry) {
2919 		const char *refname;
2920 		const char *tagger;
2921 		const char *tag_commit;
2922 		time_t tagger_time;
2923 		struct got_object_id *id;
2924 		struct got_commit_object *commit = NULL;
2925 
2926 		refname = got_ref_get_name(re->ref);
2927 		if (strncmp(refname, "refs/tags/", 10) != 0)
2928 			continue;
2929 		refname += 10;
2930 
2931 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
2932 		if (error)
2933 			goto done;
2934 
2935 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
2936 		if (error) {
2937 			if (error->code != GOT_ERR_OBJ_TYPE) {
2938 				free(id);
2939 				goto done;
2940 			}
2941 			/* "lightweight" tag */
2942 			error = got_object_open_as_commit(&commit,
2943 			    gw_trans->repo, id);
2944 			if (error) {
2945 				free(id);
2946 				goto done;
2947 			}
2948 			tagger = got_object_commit_get_committer(commit);
2949 			tagger_time =
2950 			    got_object_commit_get_committer_time(commit);
2951 			error = got_object_id_str(&id_str, id);
2952 			free(id);
2953 		} else {
2954 			free(id);
2955 			tagger = got_object_tag_get_tagger(tag);
2956 			tagger_time = got_object_tag_get_tagger_time(tag);
2957 			error = got_object_id_str(&id_str,
2958 			    got_object_tag_get_object_id(tag));
2959 		}
2960 		if (error)
2961 			goto done;
2962 
2963 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
2964 		    strlen(id_str)) != 0)
2965 			continue;
2966 
2967 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
2968 		    start_tag == 0 && strncmp(id_str, header->commit_id,
2969 		    strlen(id_str)) != 0) {
2970 			continue;
2971 		} else {
2972 			start_tag = 1;
2973 		}
2974 
2975 		tag_count++;
2976 
2977 		if (prev_set == 0 && start_tag == 1) {
2978 			gw_trans->next_prev_id = strdup(id_str);
2979 			if (gw_trans->next_prev_id == NULL) {
2980 				error = got_error_from_errno("strdup");
2981 				goto done;
2982 			}
2983 			prev_set = 1;
2984 		}
2985 
2986 		if (chk_next) {
2987 			gw_trans->next_id = strdup(id_str);
2988 			if (gw_trans->next_id == NULL)
2989 				error = got_error_from_errno("strdup");
2990 			goto done;
2991 		}
2992 
2993 		if (commit) {
2994 			error = got_object_commit_get_logmsg(&tag_commit0,
2995 			    commit);
2996 			if (error)
2997 				goto done;
2998 			got_object_commit_close(commit);
2999 		} else {
3000 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3001 			if (tag_commit0 == NULL) {
3002 				error = got_error_from_errno("strdup");
3003 				goto done;
3004 			}
3005 		}
3006 
3007 		tag_commit = tag_commit0;
3008 		while (*tag_commit == '\n')
3009 			tag_commit++;
3010 
3011 		switch (tag_type) {
3012 		case TAGBRIEF:
3013 			newline = strchr(tag_commit, '\n');
3014 			if (newline)
3015 				*newline = '\0';
3016 
3017 			if (summary_header_displayed == 0) {
3018 				kerr = khtml_attr(gw_trans->gw_html_req,
3019 				    KELEM_DIV, KATTR_ID,
3020 				    "summary_tags_title_wrapper", KATTR__MAX);
3021 				if (kerr != KCGI_OK)
3022 					goto done;
3023 				kerr = khtml_attr(gw_trans->gw_html_req,
3024 				    KELEM_DIV, KATTR_ID,
3025 				    "summary_tags_title", KATTR__MAX);
3026 				if (kerr != KCGI_OK)
3027 					goto done;
3028 				kerr = khtml_puts(gw_trans->gw_html_req,
3029 				    "Tags");
3030 				if (kerr != KCGI_OK)
3031 					goto done;
3032 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3033 				    2);
3034 				if (kerr != KCGI_OK)
3035 					goto done;
3036 				kerr = khtml_attr(gw_trans->gw_html_req,
3037 				    KELEM_DIV, KATTR_ID,
3038 				    "summary_tags_content", KATTR__MAX);
3039 				if (kerr != KCGI_OK)
3040 					goto done;
3041 				summary_header_displayed = 1;
3042 			}
3043 
3044 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3045 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3046 			if (kerr != KCGI_OK)
3047 				goto done;
3048 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3049 			    KATTR_ID, "tag_age", KATTR__MAX);
3050 			if (kerr != KCGI_OK)
3051 				goto done;
3052 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3053 			if (error)
3054 				goto done;
3055 			kerr = khtml_puts(gw_trans->gw_html_req,
3056 			    age ? age : "");
3057 			if (kerr != KCGI_OK)
3058 				goto done;
3059 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3060 			if (kerr != KCGI_OK)
3061 				goto done;
3062 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3063 			    KATTR_ID, "tag", KATTR__MAX);
3064 			if (kerr != KCGI_OK)
3065 				goto done;
3066 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3067 			if (kerr != KCGI_OK)
3068 				goto done;
3069 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3070 			if (kerr != KCGI_OK)
3071 				goto done;
3072 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3073 			    KATTR_ID, "tag_name", KATTR__MAX);
3074 			if (kerr != KCGI_OK)
3075 				goto done;
3076 			if (asprintf(&href_tag, "?path=%s&action=tag&commit=%s",
3077 			    gw_trans->repo_name, id_str) == -1) {
3078 				error = got_error_from_errno("asprintf");
3079 				goto done;
3080 			}
3081 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3082 			    KATTR_HREF, href_tag, KATTR__MAX);
3083 			if (kerr != KCGI_OK)
3084 				goto done;
3085 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3086 			if (kerr != KCGI_OK)
3087 				goto done;
3088 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3089 			if (kerr != KCGI_OK)
3090 				goto done;
3091 
3092 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3093 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3094 			if (kerr != KCGI_OK)
3095 				goto done;
3096 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3097 			    KATTR_ID, "navs", KATTR__MAX);
3098 			if (kerr != KCGI_OK)
3099 				goto done;
3100 
3101 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3102 			    KATTR_HREF, href_tag, KATTR__MAX);
3103 			if (kerr != KCGI_OK)
3104 				goto done;
3105 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3106 			if (kerr != KCGI_OK)
3107 				goto done;
3108 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3109 			if (kerr != KCGI_OK)
3110 				goto done;
3111 
3112 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3113 			if (kerr != KCGI_OK)
3114 				goto done;
3115 			if (asprintf(&href_briefs,
3116 			    "?path=%s&action=briefs&commit=%s",
3117 			    gw_trans->repo_name, id_str) == -1) {
3118 				error = got_error_from_errno("asprintf");
3119 				goto done;
3120 			}
3121 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3122 			    KATTR_HREF, href_briefs, KATTR__MAX);
3123 			if (kerr != KCGI_OK)
3124 				goto done;
3125 			kerr = khtml_puts(gw_trans->gw_html_req,
3126 			    "commit briefs");
3127 			if (kerr != KCGI_OK)
3128 				goto done;
3129 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3130 			if (kerr != KCGI_OK)
3131 				goto done;
3132 
3133 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3134 			if (kerr != KCGI_OK)
3135 				goto done;
3136 
3137 			if (asprintf(&href_commits,
3138 			    "?path=%s&action=commits&commit=%s",
3139 			    gw_trans->repo_name, id_str) == -1) {
3140 				error = got_error_from_errno("asprintf");
3141 				goto done;
3142 			}
3143 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3144 			    KATTR_HREF, href_commits, KATTR__MAX);
3145 			if (kerr != KCGI_OK)
3146 				goto done;
3147 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3148 			if (kerr != KCGI_OK)
3149 				goto done;
3150 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3151 			if (kerr != KCGI_OK)
3152 				goto done;
3153 
3154 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3155 			    KATTR_ID, "dotted_line", KATTR__MAX);
3156 			if (kerr != KCGI_OK)
3157 				goto done;
3158 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3159 			if (kerr != KCGI_OK)
3160 				goto done;
3161 			break;
3162 		case TAGFULL:
3163 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3164 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3165 			if (kerr != KCGI_OK)
3166 				goto done;
3167 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3168 			if (kerr != KCGI_OK)
3169 				goto done;
3170 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3171 			if (kerr != KCGI_OK)
3172 				goto done;
3173 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3174 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3175 			if (kerr != KCGI_OK)
3176 				goto done;
3177 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3178 			if (error)
3179 				goto done;
3180 			kerr = khtml_puts(gw_trans->gw_html_req,
3181 			    age ? age : "");
3182 			if (kerr != KCGI_OK)
3183 				goto done;
3184 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3185 			if (kerr != KCGI_OK)
3186 				goto done;
3187 
3188 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3189 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3190 			if (kerr != KCGI_OK)
3191 				goto done;
3192 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3193 			if (kerr != KCGI_OK)
3194 				goto done;
3195 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3196 			if (kerr != KCGI_OK)
3197 				goto done;
3198 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3199 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3200 			if (kerr != KCGI_OK)
3201 				goto done;
3202 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3203 			if (kerr != KCGI_OK)
3204 				goto done;
3205 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3206 			if (kerr != KCGI_OK)
3207 				goto done;
3208 
3209 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3210 			    KATTR_ID, "tag_info", KATTR__MAX);
3211 			if (kerr != KCGI_OK)
3212 				goto done;
3213 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3214 			if (kerr != KCGI_OK)
3215 				goto done;
3216 			break;
3217 		default:
3218 			break;
3219 		}
3220 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3221 		if (kerr != KCGI_OK)
3222 			goto done;
3223 
3224 		if (limit && --limit == 0)
3225 			chk_next = 1;
3226 
3227 		if (tag)
3228 			got_object_tag_close(tag);
3229 		tag = NULL;
3230 		free(id_str);
3231 		id_str = NULL;
3232 		free(age);
3233 		age = NULL;
3234 		free(tag_commit0);
3235 		tag_commit0 = NULL;
3236 		free(href_tag);
3237 		href_tag = NULL;
3238 		free(href_briefs);
3239 		href_briefs = NULL;
3240 		free(href_commits);
3241 		href_commits = NULL;
3242 	}
3243 	if (tag_count == 0) {
3244 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3245 		    "summary_tags_title_wrapper", KATTR__MAX);
3246 		if (kerr != KCGI_OK)
3247 			goto done;
3248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3249 		    "summary_tags_title", KATTR__MAX);
3250 		if (kerr != KCGI_OK)
3251 			goto done;
3252 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3253 		if (kerr != KCGI_OK)
3254 			goto done;
3255 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3256 		if (kerr != KCGI_OK)
3257 			goto done;
3258 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3259 		    "summary_tags_content", KATTR__MAX);
3260 		if (kerr != KCGI_OK)
3261 			goto done;
3262 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3263 		    "tags_info", KATTR__MAX);
3264 		if (kerr != KCGI_OK)
3265 			goto done;
3266 		kerr = khttp_puts(gw_trans->gw_req,
3267 		    "There are no tags for this repo.");
3268 		if (kerr != KCGI_OK)
3269 			goto done;
3270 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3271 	}
3272 done:
3273 	if (tag)
3274 		got_object_tag_close(tag);
3275 	free(id_str);
3276 	free(age);
3277 	free(tag_commit0);
3278 	free(href_tag);
3279 	free(href_briefs);
3280 	free(href_commits);
3281 	got_ref_list_free(&refs);
3282 	if (error == NULL && kerr != KCGI_OK)
3283 		error = gw_kcgi_error(kerr);
3284 	return error;
3285 }
3286 
3287 static void
3288 gw_free_header(struct gw_header *header)
3289 {
3290 	free(header->path);
3291 	free(header->author);
3292 	free(header->committer);
3293 	free(header->refs_str);
3294 	free(header->commit_id);
3295 	free(header->parent_id);
3296 	free(header->tree_id);
3297 	free(header->commit_msg);
3298 }
3299 
3300 static struct gw_header *
3301 gw_init_header()
3302 {
3303 	struct gw_header *header;
3304 
3305 	header = malloc(sizeof(*header));
3306 	if (header == NULL)
3307 		return NULL;
3308 
3309 	header->path = NULL;
3310 	SIMPLEQ_INIT(&header->refs);
3311 
3312 	header->refs_str = NULL;
3313 	header->commit_id = NULL;
3314 	header->committer = NULL;
3315 	header->author = NULL;
3316 	header->parent_id = NULL;
3317 	header->tree_id = NULL;
3318 	header->commit_msg = NULL;
3319 
3320 	return header;
3321 }
3322 
3323 static const struct got_error *
3324 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3325     int limit, struct got_object_id *id)
3326 {
3327 	const struct got_error *error = NULL;
3328 	struct got_commit_graph *graph = NULL;
3329 	struct got_commit_object *commit = NULL;
3330 	int chk_next = 0, chk_multi = 0, prev_set = 0;
3331 
3332 	error = got_commit_graph_open(&graph, header->path, 0);
3333 	if (error)
3334 		return error;
3335 
3336 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3337 	    NULL);
3338 	if (error)
3339 		goto done;
3340 
3341 	for (;;) {
3342 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3343 		    NULL, NULL);
3344 		if (error) {
3345 			if (error->code == GOT_ERR_ITER_COMPLETED)
3346 				error = NULL;
3347 			goto done;
3348 		}
3349 		if (id == NULL)
3350 			goto done;
3351 
3352 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3353 			if (error)
3354 				goto done;
3355 		if (limit == 1 && chk_multi == 0 &&
3356 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3357 			error = gw_get_commit(gw_trans, header, commit, id);
3358 			if (error)
3359 				goto done;
3360 		} else {
3361 			chk_multi = 1;
3362 			struct gw_header *n_header = NULL;
3363 			if ((n_header = gw_init_header()) == NULL) {
3364 				error = got_error_from_errno("malloc");
3365 				goto done;
3366 			}
3367 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3368 			    NULL, got_ref_cmp_by_name, NULL);
3369 			if (error)
3370 				goto done;
3371 
3372 			error = gw_get_commit(gw_trans, n_header, commit, id);
3373 			if (error)
3374 				goto done;
3375 			got_ref_list_free(&n_header->refs);
3376 
3377 			/*
3378 			 * we have a commit_id now, so copy it to next_prev_id
3379 			 * for navigation through gw_briefs and gw_commits
3380 			 */
3381 			if (gw_trans->next_prev_id == NULL && prev_set == 0 &&
3382 			    (gw_trans->action == GW_BRIEFS ||
3383 			     gw_trans->action == GW_COMMITS ||
3384 			     gw_trans->action == GW_SUMMARY)) {
3385 				prev_set = 1;
3386 				gw_trans->next_prev_id =
3387 				    strdup(n_header->commit_id);
3388 				if (gw_trans->next_prev_id == NULL) {
3389 					error = got_error_from_errno("strdup");
3390 					goto done;
3391 				}
3392 			}
3393 
3394 			/*
3395 			 * check for one more commit before breaking,
3396 			 * so we know whether to navicate through gw_briefs
3397 			 * gw_commits and gw_summary
3398 			 */
3399 			if (chk_next && (gw_trans->action == GW_BRIEFS||
3400 			    gw_trans->action == GW_COMMITS ||
3401 			    gw_trans->action == GW_SUMMARY)) {
3402 				gw_trans->next_id = strdup(n_header->commit_id);
3403 				if (gw_trans->next_id == NULL)
3404 					error = got_error_from_errno("strdup");
3405 				goto done;
3406 			}
3407 
3408 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3409 			    entry);
3410 		}
3411 		if (error || (limit && --limit == 0)) {
3412 			if (chk_multi == 0)
3413 				break;
3414 			chk_next = 1;
3415 		}
3416 	}
3417 done:
3418 	if (commit != NULL)
3419 		got_object_commit_close(commit);
3420 	if (graph)
3421 		got_commit_graph_close(graph);
3422 	return error;
3423 }
3424 
3425 static const struct got_error *
3426 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3427     struct got_commit_object *commit, struct got_object_id *id)
3428 {
3429 	const struct got_error *error = NULL;
3430 	struct got_reflist_entry *re;
3431 	struct got_object_id *id2 = NULL;
3432 	struct got_object_qid *parent_id;
3433 	char *commit_msg = NULL, *commit_msg0;
3434 
3435 	/*print commit*/
3436 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3437 		char *s;
3438 		const char *name;
3439 		struct got_tag_object *tag = NULL;
3440 		int cmp;
3441 
3442 		if (got_ref_is_symbolic(re->ref))
3443 			continue;
3444 
3445 		name = got_ref_get_name(re->ref);
3446 		if (strncmp(name, "refs/", 5) == 0)
3447 			name += 5;
3448 		if (strncmp(name, "got/", 4) == 0)
3449 			continue;
3450 		if (strncmp(name, "heads/", 6) == 0)
3451 			name += 6;
3452 		if (strncmp(name, "remotes/", 8) == 0)
3453 			name += 8;
3454 		if (strncmp(name, "tags/", 5) == 0) {
3455 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3456 			    re->id);
3457 			if (error) {
3458 				if (error->code != GOT_ERR_OBJ_TYPE)
3459 					continue;
3460 				/*
3461 				 * Ref points at something other
3462 				 * than a tag.
3463 				 */
3464 				error = NULL;
3465 				tag = NULL;
3466 			}
3467 		}
3468 		cmp = got_object_id_cmp(tag ?
3469 		    got_object_tag_get_object_id(tag) : re->id, id);
3470 		if (tag)
3471 			got_object_tag_close(tag);
3472 		if (cmp != 0)
3473 			continue;
3474 		s = header->refs_str;
3475 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3476 		    s ? ", " : "", name) == -1) {
3477 			error = got_error_from_errno("asprintf");
3478 			free(s);
3479 			header->refs_str = NULL;
3480 			return error;
3481 		}
3482 		free(s);
3483 	}
3484 
3485 	error = got_object_id_str(&header->commit_id, id);
3486 	if (error)
3487 		return error;
3488 
3489 	error = got_object_id_str(&header->tree_id,
3490 	    got_object_commit_get_tree_id(commit));
3491 	if (error)
3492 		return error;
3493 
3494 	if (gw_trans->action == GW_DIFF) {
3495 		parent_id = SIMPLEQ_FIRST(
3496 		    got_object_commit_get_parent_ids(commit));
3497 		if (parent_id != NULL) {
3498 			id2 = got_object_id_dup(parent_id->id);
3499 			free (parent_id);
3500 			error = got_object_id_str(&header->parent_id, id2);
3501 			if (error)
3502 				return error;
3503 			free(id2);
3504 		} else {
3505 			header->parent_id = strdup("/dev/null");
3506 			if (header->parent_id == NULL) {
3507 				error = got_error_from_errno("strdup");
3508 				return error;
3509 			}
3510 		}
3511 	}
3512 
3513 	header->committer_time =
3514 	    got_object_commit_get_committer_time(commit);
3515 
3516 	header->author =
3517 	    strdup(got_object_commit_get_author(commit));
3518 	if (header->author == NULL) {
3519 		error = got_error_from_errno("strdup");
3520 		return error;
3521 	}
3522 	header->committer =
3523 	    strdup(got_object_commit_get_committer(commit));
3524 	if (header->committer == NULL) {
3525 		error = got_error_from_errno("strdup");
3526 		return error;
3527 	}
3528 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3529 	if (error)
3530 		return error;
3531 
3532 	commit_msg = commit_msg0;
3533 	while (*commit_msg == '\n')
3534 		commit_msg++;
3535 
3536 	header->commit_msg = strdup(commit_msg);
3537 	if (header->commit_msg == NULL)
3538 		error = got_error_from_errno("strdup");
3539 	free(commit_msg0);
3540 	return error;
3541 }
3542 
3543 static const struct got_error *
3544 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3545 {
3546 	const struct got_error *error = NULL;
3547 	char *in_repo_path = NULL;
3548 	struct got_object_id *id = NULL;
3549 
3550 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3551 	if (error)
3552 		return error;
3553 
3554 	if (gw_trans->commit_id == NULL) {
3555 		struct got_reference *head_ref;
3556 		error = got_ref_open(&head_ref, gw_trans->repo,
3557 		    gw_trans->headref, 0);
3558 		if (error)
3559 			return error;
3560 
3561 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3562 		got_ref_close(head_ref);
3563 		if (error)
3564 			return error;
3565 	} else {
3566 		struct got_reference *ref;
3567 
3568 		error = got_ref_open(&ref, gw_trans->repo,
3569 		    gw_trans->commit_id, 0);
3570 		if (error == NULL) {
3571 			int obj_type;
3572 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3573 			got_ref_close(ref);
3574 			if (error)
3575 				return error;
3576 			error = got_object_get_type(&obj_type, gw_trans->repo,
3577 			    id);
3578 			if (error)
3579 				goto done;
3580 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3581 				struct got_tag_object *tag;
3582 				error = got_object_open_as_tag(&tag,
3583 				    gw_trans->repo, id);
3584 				if (error)
3585 					goto done;
3586 				if (got_object_tag_get_object_type(tag) !=
3587 				    GOT_OBJ_TYPE_COMMIT) {
3588 					got_object_tag_close(tag);
3589 					error = got_error(GOT_ERR_OBJ_TYPE);
3590 					goto done;
3591 				}
3592 				free(id);
3593 				id = got_object_id_dup(
3594 				    got_object_tag_get_object_id(tag));
3595 				if (id == NULL)
3596 					error = got_error_from_errno(
3597 					    "got_object_id_dup");
3598 				got_object_tag_close(tag);
3599 				if (error)
3600 					goto done;
3601 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3602 				error = got_error(GOT_ERR_OBJ_TYPE);
3603 				goto done;
3604 			}
3605 		}
3606 		error = got_repo_match_object_id_prefix(&id,
3607 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3608 			    gw_trans->repo);
3609 		if (error)
3610 			goto done;
3611 	}
3612 
3613 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3614 	    gw_trans->repo_path, 1);
3615 	if (error)
3616 		goto done;
3617 
3618 	if (in_repo_path) {
3619 		header->path = strdup(in_repo_path);
3620 		if (header->path == NULL) {
3621 			error = got_error_from_errno("strdup");
3622 			goto done;
3623 		}
3624 	}
3625 
3626 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3627 	    got_ref_cmp_by_name, NULL);
3628 	if (error)
3629 		goto done;
3630 
3631 	error = gw_get_commits(gw_trans, header, limit, id);
3632 done:
3633 	got_ref_list_free(&header->refs);
3634 	free(id);
3635 	free(in_repo_path);
3636 	return error;
3637 }
3638 
3639 struct blame_line {
3640 	int annotated;
3641 	char *id_str;
3642 	char *committer;
3643 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3644 };
3645 
3646 struct gw_blame_cb_args {
3647 	struct blame_line *lines;
3648 	int nlines;
3649 	int nlines_prec;
3650 	int lineno_cur;
3651 	off_t *line_offsets;
3652 	FILE *f;
3653 	struct got_repository *repo;
3654 	struct gw_trans *gw_trans;
3655 };
3656 
3657 static const struct got_error *
3658 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3659 {
3660 	const struct got_error *err = NULL;
3661 	struct gw_blame_cb_args *a = arg;
3662 	struct blame_line *bline;
3663 	char *line = NULL;
3664 	size_t linesize = 0;
3665 	struct got_commit_object *commit = NULL;
3666 	off_t offset;
3667 	struct tm tm;
3668 	time_t committer_time;
3669 	enum kcgi_err kerr = KCGI_OK;
3670 
3671 	if (nlines != a->nlines ||
3672 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3673 		return got_error(GOT_ERR_RANGE);
3674 
3675 	if (lineno == -1)
3676 		return NULL; /* no change in this commit */
3677 
3678 	/* Annotate this line. */
3679 	bline = &a->lines[lineno - 1];
3680 	if (bline->annotated)
3681 		return NULL;
3682 	err = got_object_id_str(&bline->id_str, id);
3683 	if (err)
3684 		return err;
3685 
3686 	err = got_object_open_as_commit(&commit, a->repo, id);
3687 	if (err)
3688 		goto done;
3689 
3690 	bline->committer = strdup(got_object_commit_get_committer(commit));
3691 	if (bline->committer == NULL) {
3692 		err = got_error_from_errno("strdup");
3693 		goto done;
3694 	}
3695 
3696 	committer_time = got_object_commit_get_committer_time(commit);
3697 	if (localtime_r(&committer_time, &tm) == NULL)
3698 		return got_error_from_errno("localtime_r");
3699 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3700 	    &tm) >= sizeof(bline->datebuf)) {
3701 		err = got_error(GOT_ERR_NO_SPACE);
3702 		goto done;
3703 	}
3704 	bline->annotated = 1;
3705 
3706 	/* Print lines annotated so far. */
3707 	bline = &a->lines[a->lineno_cur - 1];
3708 	if (!bline->annotated)
3709 		goto done;
3710 
3711 	offset = a->line_offsets[a->lineno_cur - 1];
3712 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3713 		err = got_error_from_errno("fseeko");
3714 		goto done;
3715 	}
3716 
3717 	while (bline->annotated) {
3718 		char *smallerthan, *at, *nl, *committer;
3719 		char *href_diff = NULL;
3720 		size_t len;
3721 
3722 		if (getline(&line, &linesize, a->f) == -1) {
3723 			if (ferror(a->f))
3724 				err = got_error_from_errno("getline");
3725 			break;
3726 		}
3727 
3728 		committer = bline->committer;
3729 		smallerthan = strchr(committer, '<');
3730 		if (smallerthan && smallerthan[1] != '\0')
3731 			committer = smallerthan + 1;
3732 		at = strchr(committer, '@');
3733 		if (at)
3734 			*at = '\0';
3735 		len = strlen(committer);
3736 		if (len >= 9)
3737 			committer[8] = '\0';
3738 
3739 		nl = strchr(line, '\n');
3740 		if (nl)
3741 			*nl = '\0';
3742 
3743 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3744 		    "blame_wrapper", KATTR__MAX);
3745 		if (kerr != KCGI_OK)
3746 			goto err;
3747 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3748 		    "blame_number", KATTR__MAX);
3749 		if (kerr != KCGI_OK)
3750 			goto err;
3751 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3752 		    a->nlines_prec, a->lineno_cur);
3753 		if (kerr != KCGI_OK)
3754 			goto err;
3755 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3756 		if (kerr != KCGI_OK)
3757 			goto err;
3758 
3759 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3760 		    "blame_hash", KATTR__MAX);
3761 		if (kerr != KCGI_OK)
3762 			goto err;
3763 
3764 		if (asprintf(&href_diff,
3765 		    "?path=%s&action=diff&commit=%s",
3766 		    a->gw_trans->repo_name, bline->id_str) == -1) {
3767 			err = got_error_from_errno("asprintf");
3768 			goto err;
3769 		}
3770 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3771 		    KATTR_HREF, href_diff, KATTR__MAX);
3772 		if (kerr != KCGI_OK)
3773 			goto done;
3774 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3775 		    bline->id_str);
3776 		if (kerr != KCGI_OK)
3777 			goto err;
3778 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3779 		if (kerr != KCGI_OK)
3780 			goto err;
3781 
3782 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3783 		    "blame_date", KATTR__MAX);
3784 		if (kerr != KCGI_OK)
3785 			goto err;
3786 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3787 		if (kerr != KCGI_OK)
3788 			goto err;
3789 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3790 		if (kerr != KCGI_OK)
3791 			goto err;
3792 
3793 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3794 		    "blame_author", KATTR__MAX);
3795 		if (kerr != KCGI_OK)
3796 			goto err;
3797 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3798 		if (kerr != KCGI_OK)
3799 			goto err;
3800 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3801 		if (kerr != KCGI_OK)
3802 			goto err;
3803 
3804 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3805 		    "blame_code", KATTR__MAX);
3806 		if (kerr != KCGI_OK)
3807 			goto err;
3808 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3809 		if (kerr != KCGI_OK)
3810 			goto err;
3811 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3812 		if (kerr != KCGI_OK)
3813 			goto err;
3814 
3815 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3816 		if (kerr != KCGI_OK)
3817 			goto err;
3818 
3819 		a->lineno_cur++;
3820 		bline = &a->lines[a->lineno_cur - 1];
3821 err:
3822 		free(href_diff);
3823 	}
3824 done:
3825 	if (commit)
3826 		got_object_commit_close(commit);
3827 	free(line);
3828 	if (err == NULL && kerr != KCGI_OK)
3829 		err = gw_kcgi_error(kerr);
3830 	return err;
3831 }
3832 
3833 static const struct got_error *
3834 gw_output_file_blame(struct gw_trans *gw_trans)
3835 {
3836 	const struct got_error *error = NULL;
3837 	struct got_object_id *obj_id = NULL;
3838 	struct got_object_id *commit_id = NULL;
3839 	struct got_blob_object *blob = NULL;
3840 	char *path = NULL, *in_repo_path = NULL;
3841 	struct gw_blame_cb_args bca;
3842 	int i, obj_type;
3843 	size_t filesize;
3844 
3845 	if (asprintf(&path, "%s%s%s",
3846 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3847 	    gw_trans->repo_folder ? "/" : "",
3848 	    gw_trans->repo_file) == -1) {
3849 		error = got_error_from_errno("asprintf");
3850 		goto done;
3851 	}
3852 
3853 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3854 	if (error)
3855 		goto done;
3856 
3857 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3858 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3859 	if (error)
3860 		goto done;
3861 
3862 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3863 	    in_repo_path);
3864 	if (error)
3865 		goto done;
3866 
3867 	if (obj_id == NULL) {
3868 		error = got_error(GOT_ERR_NO_OBJ);
3869 		goto done;
3870 	}
3871 
3872 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3873 	if (error)
3874 		goto done;
3875 
3876 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3877 		error = got_error(GOT_ERR_OBJ_TYPE);
3878 		goto done;
3879 	}
3880 
3881 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3882 	if (error)
3883 		goto done;
3884 
3885 	bca.f = got_opentemp();
3886 	if (bca.f == NULL) {
3887 		error = got_error_from_errno("got_opentemp");
3888 		goto done;
3889 	}
3890 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3891 	    &bca.line_offsets, bca.f, blob);
3892 	if (error || bca.nlines == 0)
3893 		goto done;
3894 
3895 	/* Don't include \n at EOF in the blame line count. */
3896 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3897 		bca.nlines--;
3898 
3899 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3900 	if (bca.lines == NULL) {
3901 		error = got_error_from_errno("calloc");
3902 		goto done;
3903 	}
3904 	bca.lineno_cur = 1;
3905 	bca.nlines_prec = 0;
3906 	i = bca.nlines;
3907 	while (i > 0) {
3908 		i /= 10;
3909 		bca.nlines_prec++;
3910 	}
3911 	bca.repo = gw_trans->repo;
3912 	bca.gw_trans = gw_trans;
3913 
3914 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3915 	    &bca, NULL, NULL);
3916 done:
3917 	free(in_repo_path);
3918 	free(commit_id);
3919 	free(obj_id);
3920 	free(path);
3921 
3922 	if (blob) {
3923 		free(bca.line_offsets);
3924 		for (i = 0; i < bca.nlines; i++) {
3925 			struct blame_line *bline = &bca.lines[i];
3926 			free(bline->id_str);
3927 			free(bline->committer);
3928 		}
3929 		free(bca.lines);
3930 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
3931 			error = got_error_from_errno("fclose");
3932 	}
3933 	if (blob)
3934 		got_object_blob_close(blob);
3935 	return error;
3936 }
3937 
3938 static const struct got_error *
3939 gw_output_blob_buf(struct gw_trans *gw_trans)
3940 {
3941 	const struct got_error *error = NULL;
3942 	struct got_object_id *obj_id = NULL;
3943 	struct got_object_id *commit_id = NULL;
3944 	struct got_blob_object *blob = NULL;
3945 	char *path = NULL, *in_repo_path = NULL;
3946 	int obj_type, set_mime = 0;
3947 	size_t len, hdrlen;
3948 	const uint8_t *buf;
3949 	enum kcgi_err kerr = KCGI_OK;
3950 
3951 	if (asprintf(&path, "%s%s%s",
3952 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3953 	    gw_trans->repo_folder ? "/" : "",
3954 	    gw_trans->repo_file) == -1) {
3955 		error = got_error_from_errno("asprintf");
3956 		goto done;
3957 	}
3958 
3959 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3960 	if (error)
3961 		goto done;
3962 
3963 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3964 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3965 	if (error)
3966 		goto done;
3967 
3968 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3969 	    in_repo_path);
3970 	if (error)
3971 		goto done;
3972 
3973 	if (obj_id == NULL) {
3974 		error = got_error(GOT_ERR_NO_OBJ);
3975 		goto done;
3976 	}
3977 
3978 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3979 	if (error)
3980 		goto done;
3981 
3982 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3983 		error = got_error(GOT_ERR_OBJ_TYPE);
3984 		goto done;
3985 	}
3986 
3987 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3988 	if (error)
3989 		goto done;
3990 
3991 	hdrlen = got_object_blob_get_hdrlen(blob);
3992 	do {
3993 		error = got_object_blob_read_block(&len, blob);
3994 		if (error)
3995 			goto done;
3996 		buf = got_object_blob_get_read_buf(blob);
3997 
3998 		/*
3999 		 * Skip blob object header first time around,
4000 		 * which also contains a zero byte.
4001 		 */
4002 		buf += hdrlen;
4003 		if (set_mime == 0) {
4004 			if (isbinary(buf, len - hdrlen))
4005 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4006 			else
4007 				gw_trans->mime = KMIME_TEXT_PLAIN;
4008 			set_mime = 1;
4009 			error = gw_display_index(gw_trans);
4010 			if (error)
4011 				goto done;
4012 		}
4013 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4014 		if (kerr != KCGI_OK)
4015 			goto done;
4016 		hdrlen = 0;
4017 	} while (len != 0);
4018 done:
4019 	free(in_repo_path);
4020 	free(commit_id);
4021 	free(obj_id);
4022 	free(path);
4023 	if (blob)
4024 		got_object_blob_close(blob);
4025 	if (error == NULL && kerr != KCGI_OK)
4026 		error = gw_kcgi_error(kerr);
4027 	return error;
4028 }
4029 
4030 static const struct got_error *
4031 gw_output_repo_tree(struct gw_trans *gw_trans)
4032 {
4033 	const struct got_error *error = NULL;
4034 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4035 	struct got_tree_object *tree = NULL;
4036 	char *path = NULL, *in_repo_path = NULL;
4037 	char *id_str = NULL;
4038 	char *build_folder = NULL;
4039 	char *href_blob = NULL, *href_blame = NULL;
4040 	const char *class = NULL;
4041 	int nentries, i, class_flip = 0;
4042 	enum kcgi_err kerr = KCGI_OK;
4043 
4044 	if (gw_trans->repo_folder != NULL) {
4045 		path = strdup(gw_trans->repo_folder);
4046 		if (path == NULL) {
4047 			error = got_error_from_errno("strdup");
4048 			goto done;
4049 		}
4050 	} else {
4051 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4052 		    gw_trans->repo_path, 1);
4053 		if (error)
4054 			goto done;
4055 		free(path);
4056 		path = in_repo_path;
4057 	}
4058 
4059 	if (gw_trans->commit_id == NULL) {
4060 		struct got_reference *head_ref;
4061 		error = got_ref_open(&head_ref, gw_trans->repo,
4062 		    gw_trans->headref, 0);
4063 		if (error)
4064 			goto done;
4065 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4066 		if (error)
4067 			goto done;
4068 		got_ref_close(head_ref);
4069 		/*
4070 		 * gw_trans->commit_id was not parsed from the querystring
4071 		 * we hit this code path from gw_index, where we don't know the
4072 		 * commit values for the tree link yet, so set
4073 		 * gw_trans->commit_id here to continue further into the tree
4074 		 */
4075 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4076 		if (error)
4077 			goto done;
4078 
4079 	} else {
4080 		error = got_repo_match_object_id(&commit_id, NULL,
4081 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
4082 		    gw_trans->repo);
4083 		if (error)
4084 			goto done;
4085 	}
4086 
4087 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4088 	    path);
4089 	if (error)
4090 		goto done;
4091 
4092 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4093 	if (error)
4094 		goto done;
4095 
4096 	nentries = got_object_tree_get_nentries(tree);
4097 	for (i = 0; i < nentries; i++) {
4098 		struct got_tree_entry *te;
4099 		const char *modestr = "";
4100 		mode_t mode;
4101 
4102 		te = got_object_tree_get_entry(tree, i);
4103 
4104 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4105 		if (error)
4106 			goto done;
4107 
4108 		mode = got_tree_entry_get_mode(te);
4109 		if (got_object_tree_entry_is_submodule(te))
4110 			modestr = "$";
4111 		else if (S_ISLNK(mode))
4112 			modestr = "@";
4113 		else if (S_ISDIR(mode))
4114 			modestr = "/";
4115 		else if (mode & S_IXUSR)
4116 			modestr = "*";
4117 
4118 		if (class_flip == 0) {
4119 			class = "back_lightgray";
4120 			class_flip = 1;
4121 		} else {
4122 			class = "back_white";
4123 			class_flip = 0;
4124 		}
4125 
4126 		if (S_ISDIR(mode)) {
4127 			if (asprintf(&build_folder, "%s/%s",
4128 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4129 			    got_tree_entry_get_name(te)) == -1) {
4130 				error = got_error_from_errno("asprintf");
4131 				goto done;
4132 			}
4133 			if (asprintf(&href_blob,
4134 			    "?path=%s&action=%s&commit=%s&folder=%s",
4135 			    gw_trans->repo_name, gw_get_action_name(gw_trans),
4136 			    gw_trans->commit_id, build_folder) == -1) {
4137 				error = got_error_from_errno("asprintf");
4138 				goto done;
4139 			}
4140 
4141 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4142 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4143 			if (kerr != KCGI_OK)
4144 				goto done;
4145 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4146 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4147 			    KATTR__MAX);
4148 			if (kerr != KCGI_OK)
4149 				goto done;
4150 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4151 			    KATTR_HREF, href_blob, KATTR_CLASS,
4152 			    "diff_directory", KATTR__MAX);
4153 			if (kerr != KCGI_OK)
4154 				goto done;
4155 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4156 			    got_tree_entry_get_name(te), modestr);
4157 			if (kerr != KCGI_OK)
4158 				goto done;
4159 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4160 			if (kerr != KCGI_OK)
4161 				goto done;
4162 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4163 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4164 			    KATTR__MAX);
4165 			if (kerr != KCGI_OK)
4166 				goto done;
4167 			kerr = khtml_entity(gw_trans->gw_html_req,
4168 			    KENTITY_nbsp);
4169 			if (kerr != KCGI_OK)
4170 				goto done;
4171 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4172 			if (kerr != KCGI_OK)
4173 				goto done;
4174 		} else {
4175 			if (asprintf(&href_blob,
4176 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4177 			    gw_trans->repo_name, "blob", gw_trans->commit_id,
4178 			    got_tree_entry_get_name(te),
4179 			    gw_trans->repo_folder ?
4180 			    gw_trans->repo_folder : "") == -1) {
4181 				error = got_error_from_errno("asprintf");
4182 				goto done;
4183 			}
4184 			if (asprintf(&href_blame,
4185 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4186 			    gw_trans->repo_name, "blame", gw_trans->commit_id,
4187 			    got_tree_entry_get_name(te),
4188 			    gw_trans->repo_folder ?
4189 			    gw_trans->repo_folder : "") == -1) {
4190 				error = got_error_from_errno("asprintf");
4191 				goto done;
4192 			}
4193 
4194 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4195 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4196 			if (kerr != KCGI_OK)
4197 				goto done;
4198 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4199 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4200 			    KATTR__MAX);
4201 			if (kerr != KCGI_OK)
4202 				goto done;
4203 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4204 			    KATTR_HREF, href_blob, KATTR__MAX);
4205 			if (kerr != KCGI_OK)
4206 				goto done;
4207 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4208 			    got_tree_entry_get_name(te), modestr);
4209 			if (kerr != KCGI_OK)
4210 				goto done;
4211 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4212 			if (kerr != KCGI_OK)
4213 				goto done;
4214 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4215 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4216 			    KATTR__MAX);
4217 			if (kerr != KCGI_OK)
4218 				goto done;
4219 
4220 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4221 			    KATTR_HREF, href_blob, KATTR__MAX);
4222 			if (kerr != KCGI_OK)
4223 				goto done;
4224 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4225 			if (kerr != KCGI_OK)
4226 				goto done;
4227 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4228 			if (kerr != KCGI_OK)
4229 				goto done;
4230 
4231 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4232 			if (kerr != KCGI_OK)
4233 				goto done;
4234 
4235 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4236 			    KATTR_HREF, href_blame, KATTR__MAX);
4237 			if (kerr != KCGI_OK)
4238 				goto done;
4239 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4240 			if (kerr != KCGI_OK)
4241 				goto done;
4242 
4243 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4244 			if (kerr != KCGI_OK)
4245 				goto done;
4246 		}
4247 		free(id_str);
4248 		id_str = NULL;
4249 		free(href_blob);
4250 		href_blob = NULL;
4251 		free(build_folder);
4252 		build_folder = NULL;
4253 	}
4254 done:
4255 	if (tree)
4256 		got_object_tree_close(tree);
4257 	free(id_str);
4258 	free(href_blob);
4259 	free(href_blame);
4260 	free(in_repo_path);
4261 	free(tree_id);
4262 	free(build_folder);
4263 	if (error == NULL && kerr != KCGI_OK)
4264 		error = gw_kcgi_error(kerr);
4265 	return error;
4266 }
4267 
4268 static const struct got_error *
4269 gw_output_repo_heads(struct gw_trans *gw_trans)
4270 {
4271 	const struct got_error *error = NULL;
4272 	struct got_reflist_head refs;
4273 	struct got_reflist_entry *re;
4274 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4275 	char *href_commits = NULL;
4276 	enum kcgi_err kerr = KCGI_OK;
4277 
4278 	SIMPLEQ_INIT(&refs);
4279 
4280 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4281 	    got_ref_cmp_by_name, NULL);
4282 	if (error)
4283 		goto done;
4284 
4285 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4286 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4287 	if (kerr != KCGI_OK)
4288 		goto done;
4289 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4290 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4291 	if (kerr != KCGI_OK)
4292 		goto done;
4293 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4294 	if (kerr != KCGI_OK)
4295 		goto done;
4296 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4297 	if (kerr != KCGI_OK)
4298 		goto done;
4299 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4300 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4301 	if (kerr != KCGI_OK)
4302 		goto done;
4303 
4304 	SIMPLEQ_FOREACH(re, &refs, entry) {
4305 		const char *refname;
4306 
4307 		if (got_ref_is_symbolic(re->ref))
4308 			continue;
4309 
4310 		refname = got_ref_get_name(re->ref);
4311 		if (strncmp(refname, "refs/heads/", 11) != 0)
4312 			continue;
4313 
4314 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4315 		    refname, TM_DIFF);
4316 		if (error)
4317 			goto done;
4318 
4319 		if (strncmp(refname, "refs/heads/", 11) == 0)
4320 			refname += 11;
4321 
4322 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4323 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4324 		if (kerr != KCGI_OK)
4325 			goto done;
4326 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4327 		    KATTR_ID, "heads_age", KATTR__MAX);
4328 		if (kerr != KCGI_OK)
4329 			goto done;
4330 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4331 		if (kerr != KCGI_OK)
4332 			goto done;
4333 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4334 		if (kerr != KCGI_OK)
4335 			goto done;
4336 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4337 		    KATTR_ID, "heads_space", KATTR__MAX);
4338 		if (kerr != KCGI_OK)
4339 			goto done;
4340 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4341 		if (kerr != KCGI_OK)
4342 			goto done;
4343 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4344 		if (kerr != KCGI_OK)
4345 			goto done;
4346 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4347 		    KATTR_ID, "head", KATTR__MAX);
4348 		if (kerr != KCGI_OK)
4349 			goto done;
4350 		if (asprintf(&href_summary,
4351 		    "?path=%s&action=summary&headref=%s",
4352 		    gw_trans->repo_name, refname) == -1) {
4353 			error = got_error_from_errno("asprintf");
4354 			goto done;
4355 		}
4356 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4357 		    href_summary, KATTR__MAX);
4358 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4359 		if (kerr != KCGI_OK)
4360 			goto done;
4361 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4362 		if (kerr != KCGI_OK)
4363 			goto done;
4364 
4365 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4366 		    "navs_wrapper", KATTR__MAX);
4367 		if (kerr != KCGI_OK)
4368 			goto done;
4369 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4370 		    "navs", KATTR__MAX);
4371 		if (kerr != KCGI_OK)
4372 			goto done;
4373 
4374 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4375 		    href_summary, KATTR__MAX);
4376 		if (kerr != KCGI_OK)
4377 			goto done;
4378 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4379 		if (kerr != KCGI_OK)
4380 			goto done;
4381 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4382 		if (kerr != KCGI_OK)
4383 			goto done;
4384 
4385 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4386 		if (kerr != KCGI_OK)
4387 			goto done;
4388 		if (asprintf(&href_briefs, "?path=%s&action=briefs&headref=%s",
4389 		    gw_trans->repo_name, refname) == -1) {
4390 			error = got_error_from_errno("asprintf");
4391 			goto done;
4392 		}
4393 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4394 		    href_briefs, KATTR__MAX);
4395 		if (kerr != KCGI_OK)
4396 			goto done;
4397 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4398 		if (kerr != KCGI_OK)
4399 			goto done;
4400 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4401 		if (kerr != KCGI_OK)
4402 			goto done;
4403 
4404 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4405 		if (kerr != KCGI_OK)
4406 			goto done;
4407 
4408 		if (asprintf(&href_commits,
4409 		    "?path=%s&action=commits&headref=%s",
4410 		    gw_trans->repo_name, refname) == -1) {
4411 			error = got_error_from_errno("asprintf");
4412 			goto done;
4413 		}
4414 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4415 		    href_commits, KATTR__MAX);
4416 		if (kerr != KCGI_OK)
4417 			goto done;
4418 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4419 		if (kerr != KCGI_OK)
4420 			goto done;
4421 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4422 		if (kerr != KCGI_OK)
4423 			goto done;
4424 
4425 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4426 		    "dotted_line", KATTR__MAX);
4427 		if (kerr != KCGI_OK)
4428 			goto done;
4429 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4430 		if (kerr != KCGI_OK)
4431 			goto done;
4432 		free(href_summary);
4433 		href_summary = NULL;
4434 		free(href_briefs);
4435 		href_briefs = NULL;
4436 		free(href_commits);
4437 		href_commits = NULL;
4438 	}
4439 done:
4440 	got_ref_list_free(&refs);
4441 	free(href_summary);
4442 	free(href_briefs);
4443 	free(href_commits);
4444 	return error;
4445 }
4446 
4447 static const struct got_error *
4448 gw_output_site_link(struct gw_trans *gw_trans)
4449 {
4450 	const struct got_error *error = NULL;
4451 	char *href_summary = NULL;
4452 	enum kcgi_err kerr = KCGI_OK;
4453 
4454 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4455 	    "site_link", KATTR__MAX);
4456 	if (kerr != KCGI_OK)
4457 		goto done;
4458 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4459 	    KATTR__MAX);
4460 	if (kerr != KCGI_OK)
4461 		goto done;
4462 	kerr = khtml_puts(gw_trans->gw_html_req,
4463 	   gw_trans->gw_conf->got_site_link);
4464 	if (kerr != KCGI_OK)
4465 		goto done;
4466 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4467 	if (kerr != KCGI_OK)
4468 		goto done;
4469 
4470 	if (gw_trans->repo_name != NULL) {
4471 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4472 		if (kerr != KCGI_OK)
4473 			goto done;
4474 		if (asprintf(&href_summary, "?path=%s&action=summary",
4475 		    gw_trans->repo_name) == -1)
4476 			goto done;
4477 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4478 		    href_summary, KATTR__MAX);
4479 		if (kerr != KCGI_OK)
4480 			goto done;
4481 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4482 		if (kerr != KCGI_OK)
4483 			goto done;
4484 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4485 		if (kerr != KCGI_OK)
4486 			goto done;
4487 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4488 		    gw_get_action_name(gw_trans));
4489 		if (kerr != KCGI_OK)
4490 			goto done;
4491 	}
4492 
4493 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4494 	if (kerr != KCGI_OK)
4495 		goto done;
4496 done:
4497 	free(href_summary);
4498 	return error;
4499 }
4500 
4501 static const struct got_error *
4502 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4503 {
4504 	const struct got_error *error = NULL;
4505 	char *color = NULL;
4506 	enum kcgi_err kerr = KCGI_OK;
4507 
4508 	if (strncmp(buf, "-", 1) == 0)
4509 		color = "diff_minus";
4510 	else if (strncmp(buf, "+", 1) == 0)
4511 		color = "diff_plus";
4512 	else if (strncmp(buf, "@@", 2) == 0)
4513 		color = "diff_chunk_header";
4514 	else if (strncmp(buf, "@@", 2) == 0)
4515 		color = "diff_chunk_header";
4516 	else if (strncmp(buf, "commit +", 8) == 0)
4517 		color = "diff_meta";
4518 	else if (strncmp(buf, "commit -", 8) == 0)
4519 		color = "diff_meta";
4520 	else if (strncmp(buf, "blob +", 6) == 0)
4521 		color = "diff_meta";
4522 	else if (strncmp(buf, "blob -", 6) == 0)
4523 		color = "diff_meta";
4524 	else if (strncmp(buf, "file +", 6) == 0)
4525 		color = "diff_meta";
4526 	else if (strncmp(buf, "file -", 6) == 0)
4527 		color = "diff_meta";
4528 	else if (strncmp(buf, "from:", 5) == 0)
4529 		color = "diff_author";
4530 	else if (strncmp(buf, "via:", 4) == 0)
4531 		color = "diff_author";
4532 	else if (strncmp(buf, "date:", 5) == 0)
4533 		color = "diff_date";
4534 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4535 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4536 	if (error == NULL && kerr != KCGI_OK)
4537 		error = gw_kcgi_error(kerr);
4538 	return error;
4539 }
4540 
4541 int
4542 main(int argc, char *argv[])
4543 {
4544 	const struct got_error *error = NULL;
4545 	struct gw_trans *gw_trans;
4546 	struct gw_dir *dir = NULL, *tdir;
4547 	const char *page = "index";
4548 	int gw_malloc = 1;
4549 	enum kcgi_err kerr = KCGI_OK;
4550 
4551 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4552 		errx(1, "malloc");
4553 
4554 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4555 		errx(1, "malloc");
4556 
4557 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4558 		errx(1, "malloc");
4559 
4560 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4561 		errx(1, "malloc");
4562 
4563 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4564 	if (kerr != KCGI_OK) {
4565 		error = gw_kcgi_error(kerr);
4566 		goto done;
4567 	}
4568 
4569 	if ((gw_trans->gw_conf =
4570 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
4571 		gw_malloc = 0;
4572 		error = got_error_from_errno("malloc");
4573 		goto done;
4574 	}
4575 
4576 	TAILQ_INIT(&gw_trans->gw_dirs);
4577 	TAILQ_INIT(&gw_trans->gw_headers);
4578 
4579 	gw_trans->action = -1;
4580 	gw_trans->page = 0;
4581 	gw_trans->repos_total = 0;
4582 	gw_trans->repo_path = NULL;
4583 	gw_trans->commit_id = NULL;
4584 	gw_trans->next_id = NULL;
4585 	gw_trans->next_prev_id = NULL;
4586 	gw_trans->prev_id = NULL;
4587 	gw_trans->prev_prev_id = NULL;
4588 	gw_trans->headref = GOT_REF_HEAD;
4589 	gw_trans->mime = KMIME_TEXT_HTML;
4590 	gw_trans->gw_tmpl->key = gw_templs;
4591 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4592 	gw_trans->gw_tmpl->arg = gw_trans;
4593 	gw_trans->gw_tmpl->cb = gw_template;
4594 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
4595 	if (error)
4596 		goto done;
4597 
4598 	error = gw_parse_querystring(gw_trans);
4599 	if (error)
4600 		goto done;
4601 
4602 	if (gw_trans->action == GW_BLOB)
4603 		error = gw_blob(gw_trans);
4604 	else
4605 		error = gw_display_index(gw_trans);
4606 done:
4607 	if (gw_malloc) {
4608 		free(gw_trans->gw_conf->got_repos_path);
4609 		free(gw_trans->gw_conf->got_site_name);
4610 		free(gw_trans->gw_conf->got_site_owner);
4611 		free(gw_trans->gw_conf->got_site_link);
4612 		free(gw_trans->gw_conf->got_logo);
4613 		free(gw_trans->gw_conf->got_logo_url);
4614 		free(gw_trans->gw_conf);
4615 		free(gw_trans->commit_id);
4616 		free(gw_trans->next_id);
4617 		free(gw_trans->next_prev_id);
4618 		free(gw_trans->prev_id);
4619 		free(gw_trans->prev_prev_id);
4620 		free(gw_trans->repo_path);
4621 		if (gw_trans->repo)
4622 			got_repo_close(gw_trans->repo);
4623 
4624 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4625 			free(dir->name);
4626 			free(dir->description);
4627 			free(dir->age);
4628 			free(dir->url);
4629 			free(dir->path);
4630 			free(dir);
4631 		}
4632 
4633 	}
4634 
4635 	khttp_free(gw_trans->gw_req);
4636 	return 0;
4637 }