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 <sha1.h>
28 #include <stdarg.h>
29 #include <stdint.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34 
35 #include <got_error.h>
36 #include <got_object.h>
37 #include <got_reference.h>
38 #include <got_repository.h>
39 #include <got_path.h>
40 #include <got_cancel.h>
41 #include <got_worktree.h>
42 #include <got_diff.h>
43 #include <got_commit_graph.h>
44 #include <got_blame.h>
45 #include <got_privsep.h>
46 #include <got_opentemp.h>
47 
48 #include <kcgi.h>
49 #include <kcgihtml.h>
50 
51 #include "gotweb.h"
52 
53 #ifndef nitems
54 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
55 #endif
56 
57 struct gw_trans {
58 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
59 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
60 	struct got_repository	*repo;
61 	struct gw_dir		*gw_dir;
62 	struct gotweb_config	*gw_conf;
63 	struct ktemplate	*gw_tmpl;
64 	struct khtmlreq		*gw_html_req;
65 	struct kreq		*gw_req;
66 	const struct got_error	*error;
67 	const char		*repo_name;
68 	char			*repo_path;
69 	char			*commit_id;
70 	char			*next_id;
71 	char			*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__ZMAX
116 };
117 
118 enum gw_tmpl {
119 	TEMPL_CONTENT,
120 	TEMPL_HEAD,
121 	TEMPL_HEADER,
122 	TEMPL_SEARCH,
123 	TEMPL_SITEPATH,
124 	TEMPL_SITEOWNER,
125 	TEMPL_TITLE,
126 	TEMPL__MAX
127 };
128 
129 enum gw_ref_tm {
130 	TM_DIFF,
131 	TM_LONG,
132 };
133 
134 enum gw_tags_type {
135 	TAGBRIEF,
136 	TAGFULL,
137 };
138 
139 static const char *const gw_templs[TEMPL__MAX] = {
140 	"content",
141 	"head",
142 	"header",
143 	"search",
144 	"sitepath",
145 	"siteowner",
146 	"title",
147 };
148 
149 static const struct kvalid gw_keys[KEY__ZMAX] = {
150 	{ kvalid_stringne,	"action" },
151 	{ kvalid_stringne,	"commit" },
152 	{ kvalid_stringne,	"file" },
153 	{ kvalid_stringne,	"folder" },
154 	{ kvalid_stringne,	"headref" },
155 	{ kvalid_int,		"page" },
156 	{ kvalid_stringne,	"path" },
157 	{ kvalid_stringne,	"prev" },
158 };
159 
160 static struct gw_header		*gw_init_header(void);
161 
162 static void			 gw_free_header(struct gw_header *);
163 
164 static int			 gw_template(size_t, void *);
165 
166 static const struct got_error	*gw_error(struct gw_trans *);
167 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
168 static const struct got_error	*gw_get_repo_description(char **,
169 				    struct gw_trans *, char *);
170 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
171 				    char *);
172 static const struct got_error	*gw_get_time_str(char **, time_t, int);
173 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
174 				    char *, const char *, int);
175 static const struct got_error	*gw_output_file_blame(struct gw_trans *,
176 				    struct gw_header *);
177 static const struct got_error	*gw_output_blob_buf(struct gw_trans *,
178 				    struct gw_header *);
179 static const struct got_error	*gw_output_repo_tree(struct gw_trans *,
180 				    struct gw_header *);
181 static const struct got_error	*gw_output_diff(struct gw_trans *,
182 				    struct gw_header *);
183 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
184 				    struct gw_header *, int, int);
185 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
186 static const struct got_error	*gw_output_site_link(struct gw_trans *);
187 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
188 				    char *);
189 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
190 
191 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
192 				    char*);
193 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
194 				    char*);
195 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
196 				    const char *);
197 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
198 				    const char *);
199 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
200 				    const char *);
201 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
202 				    char *);
203 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
204 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
205 				    enum kmime);
206 static const struct got_error	*gw_display_index(struct gw_trans *);
207 static const struct got_error	*gw_get_header(struct gw_trans *,
208 				    struct gw_header *, int);
209 static const struct got_error	*gw_get_commits(struct gw_trans *,
210 				    struct gw_header *, int,
211 				    struct got_object_id *);
212 static const struct got_error	*gw_get_commit(struct gw_trans *,
213 				    struct gw_header *,
214 				    struct got_commit_object *,
215 				    struct got_object_id *);
216 static const struct got_error	*gw_apply_unveil(const char *);
217 static const struct got_error	*gw_blame_cb(void *, int, int,
218 				    struct got_commit_object *,
219 				    struct got_object_id *);
220 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
221 static const struct got_error	*gw_load_got_path(struct gw_trans *,
222 				    struct gw_dir *);
223 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
224 static const struct got_error	*gw_blame(struct gw_trans *);
225 static const struct got_error	*gw_blob(struct gw_trans *);
226 static const struct got_error	*gw_diff(struct gw_trans *);
227 static const struct got_error	*gw_index(struct gw_trans *);
228 static const struct got_error	*gw_commits(struct gw_trans *);
229 static const struct got_error	*gw_briefs(struct gw_trans *);
230 static const struct got_error	*gw_summary(struct gw_trans *);
231 static const struct got_error	*gw_tree(struct gw_trans *);
232 static const struct got_error	*gw_tag(struct gw_trans *);
233 static const struct got_error	*gw_tags(struct gw_trans *);
234 
235 struct gw_query_action {
236 	unsigned int		 func_id;
237 	const char		*func_name;
238 	const struct got_error	*(*func_main)(struct gw_trans *);
239 	char			*template;
240 };
241 
242 enum gw_query_actions {
243 	GW_BLAME,
244 	GW_BLOB,
245 	GW_BRIEFS,
246 	GW_COMMITS,
247 	GW_DIFF,
248 	GW_ERR,
249 	GW_INDEX,
250 	GW_SUMMARY,
251 	GW_TAG,
252 	GW_TAGS,
253 	GW_TREE,
254 };
255 
256 static const struct gw_query_action gw_query_funcs[] = {
257 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
258 	{ GW_BLOB,	"blob",		NULL,		NULL },
259 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
260 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
261 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
262 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
263 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
264 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
265 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
266 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
267 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
268 };
269 
270 static const char * 
271 gw_get_action_name(struct gw_trans *gw_trans)
272 {
273 	return gw_query_funcs[gw_trans->action].func_name;
274 }
275 
276 static const struct got_error *
277 gw_kcgi_error(enum kcgi_err kerr)
278 {
279 	if (kerr == KCGI_OK)
280 		return NULL;
281 
282 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
283 		return got_error(GOT_ERR_CANCELLED);
284 
285 	if (kerr == KCGI_ENOMEM)
286 		return got_error_set_errno(ENOMEM,
287 		    kcgi_strerror(kerr));
288 
289 	if (kerr == KCGI_ENFILE)
290 		return got_error_set_errno(ENFILE,
291 		    kcgi_strerror(kerr));
292 
293 	if (kerr == KCGI_EAGAIN)
294 		return got_error_set_errno(EAGAIN,
295 		    kcgi_strerror(kerr));
296 
297 	if (kerr == KCGI_FORM)
298 		return got_error_msg(GOT_ERR_IO,
299 		    kcgi_strerror(kerr));
300 
301 	return got_error_from_errno(kcgi_strerror(kerr));
302 }
303 
304 static const struct got_error *
305 gw_apply_unveil(const char *repo_path)
306 {
307 	const struct got_error *err;
308 
309 #ifdef PROFILE
310 	if (unveil("gmon.out", "rwc") != 0)
311 		return got_error_from_errno2("unveil", "gmon.out");
312 #endif
313 	if (repo_path && unveil(repo_path, "r") != 0)
314 		return got_error_from_errno2("unveil", repo_path);
315 
316 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
317 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
318 
319 	err = got_privsep_unveil_exec_helpers();
320 	if (err != NULL)
321 		return err;
322 
323 	if (unveil(NULL, NULL) != 0)
324 		return got_error_from_errno("unveil");
325 
326 	return NULL;
327 }
328 
329 static int
330 isbinary(const uint8_t *buf, size_t n)
331 {
332 	size_t i;
333 
334 	for (i = 0; i < n; i++)
335 		if (buf[i] == 0)
336 			return 1;
337 	return 0;
338 }
339 
340 static const struct got_error *
341 gw_blame(struct gw_trans *gw_trans)
342 {
343 	const struct got_error *error = NULL;
344 	struct gw_header *header = NULL;
345 	char *age = NULL;
346 	enum kcgi_err kerr = KCGI_OK;
347 
348 #ifndef PROFILE
349 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
350 	    NULL) == -1)
351 		return got_error_from_errno("pledge");
352 #endif
353 	if ((header = gw_init_header()) == NULL)
354 		return got_error_from_errno("malloc");
355 
356 	error = gw_apply_unveil(gw_trans->gw_dir->path);
357 	if (error)
358 		goto done;
359 
360 	/* check querystring */
361 	if (gw_trans->repo_file == NULL) {
362 		error = got_error_msg(GOT_ERR_QUERYSTRING,
363 		    "file required in querystring");
364 		goto done;
365 	}
366 	if (gw_trans->commit_id == NULL) {
367 		error = got_error_msg(GOT_ERR_QUERYSTRING,
368 		    "commit required in querystring");
369 		goto done;
370 	}
371 
372 	error = gw_get_header(gw_trans, header, 1);
373 	if (error)
374 		goto done;
375 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
376 	    "blame_header_wrapper", KATTR__MAX);
377 	if (kerr != KCGI_OK)
378 		goto done;
379 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
380 	    "blame_header", KATTR__MAX);
381 	if (kerr != KCGI_OK)
382 		goto done;
383 	error = gw_get_time_str(&age, header->committer_time,
384 	    TM_LONG);
385 	if (error)
386 		goto done;
387 	error = gw_gen_age_header(gw_trans, age ?age : "");
388 	if (error)
389 		goto done;
390 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
391 	if (error)
392 		goto done;
393 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
394 	if (kerr != KCGI_OK)
395 		goto done;
396 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
397 	    "dotted_line", KATTR__MAX);
398 	if (kerr != KCGI_OK)
399 		goto done;
400 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
401 	if (kerr != KCGI_OK)
402 		goto done;
403 
404 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
405 	    "blame", KATTR__MAX);
406 	if (kerr != KCGI_OK)
407 		goto done;
408 	error = gw_output_file_blame(gw_trans, header);
409 	if (error)
410 		goto done;
411 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
412 done:
413 	gw_free_header(header);
414 	if (error == NULL && kerr != KCGI_OK)
415 		error = gw_kcgi_error(kerr);
416 	return error;
417 }
418 
419 static const struct got_error *
420 gw_blob(struct gw_trans *gw_trans)
421 {
422 	const struct got_error *error = NULL, *err = NULL;
423 	struct gw_header *header = NULL;
424 	enum kcgi_err kerr = KCGI_OK;
425 
426 #ifndef PROFILE
427 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
428 	    NULL) == -1)
429 		return got_error_from_errno("pledge");
430 #endif
431 	if ((header = gw_init_header()) == NULL)
432 		return got_error_from_errno("malloc");
433 
434 	error = gw_apply_unveil(gw_trans->gw_dir->path);
435 	if (error)
436 		goto done;
437 
438 	/* check querystring */
439 	if (gw_trans->repo_file == NULL) {
440 		error = got_error_msg(GOT_ERR_QUERYSTRING,
441 		    "file required in querystring");
442 		goto done;
443 	}
444 	if (gw_trans->commit_id == NULL) {
445 		error = got_error_msg(GOT_ERR_QUERYSTRING,
446 		    "commit required in querystring");
447 		goto done;
448 	}
449 	error = gw_get_header(gw_trans, header, 1);
450 	if (error)
451 		goto done;
452 
453 	error = gw_output_blob_buf(gw_trans, header);
454 done:
455 
456 	if (error) {
457 		gw_trans->mime = KMIME_TEXT_PLAIN;
458 		err = gw_display_index(gw_trans);
459 		if (err) {
460 			error = err;
461 			goto errored;
462 		}
463 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
464 	}
465 errored:
466 	gw_free_header(header);
467 	if (error == NULL && kerr != KCGI_OK)
468 		error = gw_kcgi_error(kerr);
469 	return error;
470 }
471 
472 static const struct got_error *
473 gw_diff(struct gw_trans *gw_trans)
474 {
475 	const struct got_error *error = NULL;
476 	struct gw_header *header = NULL;
477 	char *age = NULL;
478 	enum kcgi_err kerr = KCGI_OK;
479 
480 #ifndef PROFILE
481 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
482 	    NULL) == -1)
483 		return got_error_from_errno("pledge");
484 #endif
485 	if ((header = gw_init_header()) == NULL)
486 		return got_error_from_errno("malloc");
487 
488 	error = gw_apply_unveil(gw_trans->gw_dir->path);
489 	if (error)
490 		goto done;
491 
492 	error = gw_get_header(gw_trans, header, 1);
493 	if (error)
494 		goto done;
495 
496 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
497 	    "diff_header_wrapper", KATTR__MAX);
498 	if (kerr != KCGI_OK)
499 		goto done;
500 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
501 	    "diff_header", KATTR__MAX);
502 	if (kerr != KCGI_OK)
503 		goto done;
504 	error = gw_gen_diff_header(gw_trans, header->parent_id,
505 	    header->commit_id);
506 	if (error)
507 		goto done;
508 	error = gw_gen_commit_header(gw_trans, header->commit_id,
509 	    header->refs_str);
510 	if (error)
511 		goto done;
512 	error = gw_gen_tree_header(gw_trans, header->tree_id);
513 	if (error)
514 		goto done;
515 	error = gw_gen_author_header(gw_trans, header->author);
516 	if (error)
517 		goto done;
518 	error = gw_gen_committer_header(gw_trans, header->author);
519 	if (error)
520 		goto done;
521 	error = gw_get_time_str(&age, header->committer_time,
522 	    TM_LONG);
523 	if (error)
524 		goto done;
525 	error = gw_gen_age_header(gw_trans, age ?age : "");
526 	if (error)
527 		goto done;
528 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
529 	if (error)
530 		goto done;
531 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
532 	if (kerr != KCGI_OK)
533 		goto done;
534 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
535 	    "dotted_line", KATTR__MAX);
536 	if (kerr != KCGI_OK)
537 		goto done;
538 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
539 	if (kerr != KCGI_OK)
540 		goto done;
541 
542 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
543 	    "diff", KATTR__MAX);
544 	if (kerr != KCGI_OK)
545 		goto done;
546 	error = gw_output_diff(gw_trans, header);
547 	if (error)
548 		goto done;
549 
550 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
551 done:
552 	gw_free_header(header);
553 	free(age);
554 	if (error == NULL && kerr != KCGI_OK)
555 		error = gw_kcgi_error(kerr);
556 	return error;
557 }
558 
559 static const struct got_error *
560 gw_index(struct gw_trans *gw_trans)
561 {
562 	const struct got_error *error = NULL;
563 	struct gw_dir *gw_dir = NULL;
564 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
565 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
566 	char *href_tags = NULL;
567 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
568 	enum kcgi_err kerr = KCGI_OK;
569 
570 #ifndef PROFILE
571 	if (pledge("stdio rpath proc exec sendfd unveil",
572 	    NULL) == -1) {
573 		error = got_error_from_errno("pledge");
574 		return error;
575 	}
576 #endif
577 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
578 	if (error)
579 		return error;
580 
581 	error = gw_load_got_paths(gw_trans);
582 	if (error)
583 		return error;
584 
585 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
586 	    "index_header", KATTR__MAX);
587 	if (kerr != KCGI_OK)
588 		return gw_kcgi_error(kerr);
589 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
590 	    "index_header_project", KATTR__MAX);
591 	if (kerr != KCGI_OK)
592 		return gw_kcgi_error(kerr);
593 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
594 	if (kerr != KCGI_OK)
595 		return gw_kcgi_error(kerr);
596 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
597 	if (kerr != KCGI_OK)
598 		return gw_kcgi_error(kerr);
599 
600 	if (gw_trans->gw_conf->got_show_repo_description) {
601 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
602 		    "index_header_description", KATTR__MAX);
603 		if (kerr != KCGI_OK)
604 			return gw_kcgi_error(kerr);
605 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
606 		if (kerr != KCGI_OK)
607 			return gw_kcgi_error(kerr);
608 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
609 		if (kerr != KCGI_OK)
610 			return gw_kcgi_error(kerr);
611 	}
612 
613 	if (gw_trans->gw_conf->got_show_repo_owner) {
614 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
615 		    "index_header_owner", KATTR__MAX);
616 		if (kerr != KCGI_OK)
617 			return gw_kcgi_error(kerr);
618 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
619 		if (kerr != KCGI_OK)
620 			return gw_kcgi_error(kerr);
621 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
622 		if (kerr != KCGI_OK)
623 			return gw_kcgi_error(kerr);
624 	}
625 
626 	if (gw_trans->gw_conf->got_show_repo_age) {
627 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
628 		    "index_header_age", KATTR__MAX);
629 		if (kerr != KCGI_OK)
630 			return gw_kcgi_error(kerr);
631 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
632 		if (kerr != KCGI_OK)
633 			return gw_kcgi_error(kerr);
634 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
635 		if (kerr != KCGI_OK)
636 			return gw_kcgi_error(kerr);
637 	}
638 
639 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
640 	if (kerr != KCGI_OK)
641 		return gw_kcgi_error(kerr);
642 
643 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
644 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
645 		    "index_wrapper", KATTR__MAX);
646 		if (kerr != KCGI_OK)
647 			return gw_kcgi_error(kerr);
648 		kerr = khtml_printf(gw_trans->gw_html_req,
649 		    "No repositories found in %s",
650 		    gw_trans->gw_conf->got_repos_path);
651 		if (kerr != KCGI_OK)
652 			return gw_kcgi_error(kerr);
653 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
654 		if (kerr != KCGI_OK)
655 			return gw_kcgi_error(kerr);
656 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
657 		    "dotted_line", KATTR__MAX);
658 		if (kerr != KCGI_OK)
659 			return gw_kcgi_error(kerr);
660 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
661 		if (kerr != KCGI_OK)
662 			return gw_kcgi_error(kerr);
663 		return error;
664 	}
665 
666 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
667 		dir_c++;
668 
669 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
670 		if (gw_trans->page > 0 && (gw_trans->page *
671 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
672 			prev_disp++;
673 			continue;
674 		}
675 
676 		prev_disp++;
677 
678 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
679 		    "index_wrapper", KATTR__MAX);
680 		if (kerr != KCGI_OK)
681 			goto done;
682 
683 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
684 		    gw_dir->name, "action", "summary", NULL);
685 		if (href_summary == NULL) {
686 			error = got_error_from_errno("khttp_urlpart");
687 			goto done;
688 		}
689 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
690 		    "index_project", KATTR__MAX);
691 		if (kerr != KCGI_OK)
692 			goto done;
693 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
694 		    href_summary, KATTR__MAX);
695 		if (kerr != KCGI_OK)
696 			goto done;
697 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
698 		if (kerr != KCGI_OK)
699 			goto done;
700 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
701 		if (kerr != KCGI_OK)
702 			goto done;
703 		if (gw_trans->gw_conf->got_show_repo_description) {
704 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
705 			    KATTR_ID, "index_project_description", KATTR__MAX);
706 			if (kerr != KCGI_OK)
707 				goto done;
708 			kerr = khtml_puts(gw_trans->gw_html_req,
709 			    gw_dir->description ? gw_dir->description : "");
710 			if (kerr != KCGI_OK)
711 				goto done;
712 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
713 			if (kerr != KCGI_OK)
714 				goto done;
715 		}
716 		if (gw_trans->gw_conf->got_show_repo_owner) {
717 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
718 			    KATTR_ID, "index_project_owner", KATTR__MAX);
719 			if (kerr != KCGI_OK)
720 				goto done;
721 			kerr = khtml_puts(gw_trans->gw_html_req,
722 			    gw_dir->owner ? gw_dir->owner : "");
723 			if (kerr != KCGI_OK)
724 				goto done;
725 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
726 			if (kerr != KCGI_OK)
727 				goto done;
728 		}
729 		if (gw_trans->gw_conf->got_show_repo_age) {
730 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
731 			    KATTR_ID, "index_project_age", KATTR__MAX);
732 			if (kerr != KCGI_OK)
733 				goto done;
734 			kerr = khtml_puts(gw_trans->gw_html_req,
735 			    gw_dir->age ? gw_dir->age : "");
736 			if (kerr != KCGI_OK)
737 				goto done;
738 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
739 			if (kerr != KCGI_OK)
740 				goto done;
741 		}
742 
743 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
744 		    "navs_wrapper", KATTR__MAX);
745 		if (kerr != KCGI_OK)
746 			goto done;
747 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
748 		    "navs", KATTR__MAX);
749 		if (kerr != KCGI_OK)
750 			goto done;
751 
752 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
753 		    href_summary, KATTR__MAX);
754 		if (kerr != KCGI_OK)
755 			goto done;
756 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
757 		if (kerr != KCGI_OK)
758 			goto done;
759 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
760 		if (kerr != KCGI_OK)
761 			goto done;
762 
763 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
764 		if (kerr != KCGI_OK)
765 			goto done;
766 
767 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
768 		    gw_dir->name, "action", "briefs", NULL);
769 		if (href_briefs == NULL) {
770 			error = got_error_from_errno("khttp_urlpart");
771 			goto done;
772 		}
773 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
774 		    href_briefs, KATTR__MAX);
775 		if (kerr != KCGI_OK)
776 			goto done;
777 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
778 		if (kerr != KCGI_OK)
779 			goto done;
780 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
781 		if (kerr != KCGI_OK)
782 			error = gw_kcgi_error(kerr);
783 
784 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
785 		if (kerr != KCGI_OK)
786 			goto done;
787 
788 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
789 		    gw_dir->name, "action", "commits", NULL);
790 		if (href_commits == NULL) {
791 			error = got_error_from_errno("khttp_urlpart");
792 			goto done;
793 		}
794 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
795 		    href_commits, KATTR__MAX);
796 		if (kerr != KCGI_OK)
797 			goto done;
798 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
799 		if (kerr != KCGI_OK)
800 			goto done;
801 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
802 		if (kerr != KCGI_OK)
803 			goto done;
804 
805 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
806 		if (kerr != KCGI_OK)
807 			goto done;
808 
809 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
810 		    gw_dir->name, "action", "tags", NULL);
811 		if (href_tags == NULL) {
812 			error = got_error_from_errno("khttp_urlpart");
813 			goto done;
814 		}
815 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
816 		    href_tags, KATTR__MAX);
817 		if (kerr != KCGI_OK)
818 			goto done;
819 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
820 		if (kerr != KCGI_OK)
821 			goto done;
822 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
823 		if (kerr != KCGI_OK)
824 			goto done;
825 
826 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
827 		if (kerr != KCGI_OK)
828 			goto done;
829 
830 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
831 		    gw_dir->name, "action", "tree", NULL);
832 		if (href_tree == NULL) {
833 			error = got_error_from_errno("khttp_urlpart");
834 			goto done;
835 		}
836 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
837 		    href_tree, KATTR__MAX);
838 		if (kerr != KCGI_OK)
839 			goto done;
840 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
841 		if (kerr != KCGI_OK)
842 			goto done;
843 
844 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
845 		if (kerr != KCGI_OK)
846 			goto done;
847 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
848 		    "dotted_line", KATTR__MAX);
849 		if (kerr != KCGI_OK)
850 			goto done;
851 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
852 		if (kerr != KCGI_OK)
853 			goto done;
854 
855 		free(href_summary);
856 		href_summary = NULL;
857 		free(href_briefs);
858 		href_briefs = NULL;
859 		free(href_commits);
860 		href_commits = NULL;
861 		free(href_tags);
862 		href_tags = NULL;
863 		free(href_tree);
864 		href_tree = NULL;
865 
866 		if (gw_trans->gw_conf->got_max_repos_display == 0)
867 			continue;
868 
869 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
870 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
871 		    (gw_trans->page > 0) &&
872 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
873 		    prev_disp == gw_trans->repos_total))) {
874 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
875 			    KATTR_ID, "np_wrapper", KATTR__MAX);
876 			if (kerr != KCGI_OK)
877 				goto done;
878 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
879 			    KATTR_ID, "nav_prev", KATTR__MAX);
880 			if (kerr != KCGI_OK)
881 				goto done;
882 		}
883 
884 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
885 		    (gw_trans->page > 0) &&
886 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
887 		    prev_disp == gw_trans->repos_total)) {
888 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
889 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
890 			if (href_prev == NULL) {
891 				error = got_error_from_errno("khttp_urlpartx");
892 				goto done;
893 			}
894 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
895 			    KATTR_HREF, href_prev, KATTR__MAX);
896 			if (kerr != KCGI_OK)
897 				goto done;
898 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
899 			if (kerr != KCGI_OK)
900 				goto done;
901 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
902 			if (kerr != KCGI_OK)
903 				goto done;
904 		}
905 
906 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
907 		if (kerr != KCGI_OK)
908 			return gw_kcgi_error(kerr);
909 
910 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
911 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
912 		    dir_c != (gw_trans->page + 1) *
913 		    gw_trans->gw_conf->got_max_repos_display) {
914 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
915 			    KATTR_ID, "nav_next", KATTR__MAX);
916 			if (kerr != KCGI_OK)
917 				goto done;
918 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
919 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
920 			if (href_next == NULL) {
921 				error = got_error_from_errno("khttp_urlpartx");
922 				goto done;
923 			}
924 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
925 			    KATTR_HREF, href_next, KATTR__MAX);
926 			if (kerr != KCGI_OK)
927 				goto done;
928 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
929 			if (kerr != KCGI_OK)
930 				goto done;
931 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
932 			if (kerr != KCGI_OK)
933 				goto done;
934 			next_disp = 0;
935 			break;
936 		}
937 
938 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
939 		    (gw_trans->page > 0) &&
940 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
941 		    prev_disp == gw_trans->repos_total)) {
942 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
943 			if (kerr != KCGI_OK)
944 				goto done;
945 		}
946 		next_disp++;
947 	}
948 done:
949 	free(href_prev);
950 	free(href_next);
951 	free(href_summary);
952 	free(href_briefs);
953 	free(href_commits);
954 	free(href_tags);
955 	free(href_tree);
956 	if (error == NULL && kerr != KCGI_OK)
957 		error = gw_kcgi_error(kerr);
958 	return error;
959 }
960 
961 static const struct got_error *
962 gw_commits(struct gw_trans *gw_trans)
963 {
964 	const struct got_error *error = NULL;
965 	struct gw_header *header = NULL, *n_header = NULL;
966 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
967 	char *href_prev = NULL, *href_next = NULL;
968 	enum kcgi_err kerr = KCGI_OK;
969 	int commit_found = 0;
970 
971 	if ((header = gw_init_header()) == NULL)
972 		return got_error_from_errno("malloc");
973 
974 #ifndef PROFILE
975 	if (pledge("stdio rpath proc exec sendfd unveil",
976 	    NULL) == -1) {
977 		error = got_error_from_errno("pledge");
978 		goto done;
979 	}
980 #endif
981 	error = gw_apply_unveil(gw_trans->gw_dir->path);
982 	if (error)
983 		goto done;
984 
985 	error = gw_get_header(gw_trans, header,
986 	    gw_trans->gw_conf->got_max_commits_display);
987 	if (error)
988 		goto done;
989 
990 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
991 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
992 			if (strcmp(gw_trans->commit_id,
993 			    n_header->commit_id) != 0)
994 				continue;
995 			else
996 				commit_found = 1;
997 		}
998 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
999 		    "commits_line_wrapper", KATTR__MAX);
1000 		if (kerr != KCGI_OK)
1001 			goto done;
1002 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
1003 		    n_header->refs_str);
1004 		if (error)
1005 			goto done;
1006 		error = gw_gen_author_header(gw_trans, n_header->author);
1007 		if (error)
1008 			goto done;
1009 		error = gw_gen_committer_header(gw_trans, n_header->author);
1010 		if (error)
1011 			goto done;
1012 		error = gw_get_time_str(&age, n_header->committer_time,
1013 		    TM_LONG);
1014 		if (error)
1015 			goto done;
1016 		error = gw_gen_age_header(gw_trans, age ?age : "");
1017 		if (error)
1018 			goto done;
1019 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1020 		if (kerr != KCGI_OK)
1021 			goto done;
1022 
1023 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1024 		    "dotted_line", KATTR__MAX);
1025 		if (kerr != KCGI_OK)
1026 			goto done;
1027 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1028 		if (kerr != KCGI_OK)
1029 			goto done;
1030 
1031 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1032 		    "commit", KATTR__MAX);
1033 		if (kerr != KCGI_OK)
1034 			goto done;
1035 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1036 		if (kerr != KCGI_OK)
1037 			goto done;
1038 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1039 		if (kerr != KCGI_OK)
1040 			goto done;
1041 
1042 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1043 		    gw_trans->repo_name, "action", "diff", "commit",
1044 		    n_header->commit_id, NULL);
1045 		if (href_diff == NULL) {
1046 			error = got_error_from_errno("khttp_urlpart");
1047 			goto done;
1048 		}
1049 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1050 		    KATTR_ID, "navs_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, "navs", KATTR__MAX);
1055 		if (kerr != KCGI_OK)
1056 			goto done;
1057 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1058 		    KATTR_HREF, href_diff, KATTR__MAX);
1059 		if (kerr != KCGI_OK)
1060 			goto done;
1061 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1062 		if (kerr != KCGI_OK)
1063 			goto done;
1064 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1065 		if (kerr != KCGI_OK)
1066 			goto done;
1067 
1068 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1069 		if (kerr != KCGI_OK)
1070 			goto done;
1071 
1072 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1073 		    gw_trans->repo_name, "action", "tree", "commit",
1074 		    n_header->commit_id, NULL);
1075 		if (href_tree == NULL) {
1076 			error = got_error_from_errno("khttp_urlpart");
1077 			goto done;
1078 		}
1079 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1080 		    KATTR_HREF, href_tree, KATTR__MAX);
1081 		if (kerr != KCGI_OK)
1082 			goto done;
1083 		khtml_puts(gw_trans->gw_html_req, "tree");
1084 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1085 		if (kerr != KCGI_OK)
1086 			goto done;
1087 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1088 		if (kerr != KCGI_OK)
1089 			goto done;
1090 
1091 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1092 		    "solid_line", KATTR__MAX);
1093 		if (kerr != KCGI_OK)
1094 			goto done;
1095 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1096 		if (kerr != KCGI_OK)
1097 			goto done;
1098 
1099 		free(age);
1100 		age = NULL;
1101 	}
1102 
1103 	if (gw_trans->next_id || gw_trans->prev_id) {
1104 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1105 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1106 		if (kerr != KCGI_OK)
1107 			goto done;
1108 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1109 		    KATTR_ID, "nav_prev", KATTR__MAX);
1110 		if (kerr != KCGI_OK)
1111 			goto done;
1112 	}
1113 
1114 	if (gw_trans->prev_id) {
1115 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1116 		    KATTRX_STRING, gw_trans->repo_name, "page",
1117 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1118 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1119 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1120 		if (href_prev == NULL) {
1121 			error = got_error_from_errno("khttp_urlpartx");
1122 			goto done;
1123 		}
1124 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1125 		    KATTR_HREF, href_prev, KATTR__MAX);
1126 		if (kerr != KCGI_OK)
1127 			goto done;
1128 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1129 		if (kerr != KCGI_OK)
1130 			goto done;
1131 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1132 		if (kerr != KCGI_OK)
1133 			goto done;
1134 	}
1135 
1136 	if (gw_trans->next_id || gw_trans->page > 0) {
1137 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1138 		if (kerr != KCGI_OK)
1139 			return gw_kcgi_error(kerr);
1140 	}
1141 
1142 	if (gw_trans->next_id) {
1143 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1144 		    KATTR_ID, "nav_next", KATTR__MAX);
1145 		if (kerr != KCGI_OK)
1146 			goto done;
1147 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1148 		    KATTRX_STRING, gw_trans->repo_name, "page",
1149 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1150 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1151 		    gw_trans->next_id, NULL);
1152 		if (href_next == NULL) {
1153 			error = got_error_from_errno("khttp_urlpartx");
1154 			goto done;
1155 		}
1156 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1157 		    KATTR_HREF, href_next, KATTR__MAX);
1158 		if (kerr != KCGI_OK)
1159 			goto done;
1160 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1161 		if (kerr != KCGI_OK)
1162 			goto done;
1163 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1164 		if (kerr != KCGI_OK)
1165 			goto done;
1166 	}
1167 
1168 	if (gw_trans->next_id || gw_trans->page > 0) {
1169 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1170 		if (kerr != KCGI_OK)
1171 			goto done;
1172 	}
1173 done:
1174 	gw_free_header(header);
1175 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1176 		gw_free_header(n_header);
1177 	free(age);
1178 	free(href_next);
1179 	free(href_prev);
1180 	free(href_diff);
1181 	free(href_tree);
1182 	if (error == NULL && kerr != KCGI_OK)
1183 		error = gw_kcgi_error(kerr);
1184 	return error;
1185 }
1186 
1187 static const struct got_error *
1188 gw_briefs(struct gw_trans *gw_trans)
1189 {
1190 	const struct got_error *error = NULL;
1191 	struct gw_header *header = NULL, *n_header = NULL;
1192 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1193 	char *href_prev = NULL, *href_next = NULL;
1194 	char *newline, *smallerthan;
1195 	enum kcgi_err kerr = KCGI_OK;
1196 	int commit_found = 0;
1197 
1198 	if ((header = gw_init_header()) == NULL)
1199 		return got_error_from_errno("malloc");
1200 
1201 #ifndef PROFILE
1202 	if (pledge("stdio rpath proc exec sendfd unveil",
1203 	    NULL) == -1) {
1204 		error = got_error_from_errno("pledge");
1205 		goto done;
1206 	}
1207 #endif
1208 	if (gw_trans->action != GW_SUMMARY) {
1209 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1210 		if (error)
1211 			goto done;
1212 	}
1213 
1214 	if (gw_trans->action == GW_SUMMARY)
1215 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1216 	else
1217 		error = gw_get_header(gw_trans, header,
1218 		    gw_trans->gw_conf->got_max_commits_display);
1219 	if (error)
1220 		goto done;
1221 
1222 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1223 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
1224 			if (strcmp(gw_trans->commit_id,
1225 			    n_header->commit_id) != 0)
1226 				continue;
1227 			else
1228 				commit_found = 1;
1229 		}
1230 		error = gw_get_time_str(&age, n_header->committer_time,
1231 		    TM_DIFF);
1232 		if (error)
1233 			goto done;
1234 
1235 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1236 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1237 		if (kerr != KCGI_OK)
1238 			goto done;
1239 
1240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1241 		    KATTR_ID, "briefs_age", KATTR__MAX);
1242 		if (kerr != KCGI_OK)
1243 			goto done;
1244 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1245 		if (kerr != KCGI_OK)
1246 			goto done;
1247 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1248 		if (kerr != KCGI_OK)
1249 			goto done;
1250 
1251 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1252 		    KATTR_ID, "briefs_author", KATTR__MAX);
1253 		if (kerr != KCGI_OK)
1254 			goto done;
1255 		smallerthan = strchr(n_header->author, '<');
1256 		if (smallerthan)
1257 			*smallerthan = '\0';
1258 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1259 		if (kerr != KCGI_OK)
1260 			goto done;
1261 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1262 		if (kerr != KCGI_OK)
1263 			goto done;
1264 
1265 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1266 		    gw_trans->repo_name, "action", "diff", "commit",
1267 		    n_header->commit_id, NULL);
1268 		if (href_diff == NULL) {
1269 			error = got_error_from_errno("khttp_urlpart");
1270 			goto done;
1271 		}
1272 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1273 		    KATTR_ID, "briefs_log", KATTR__MAX);
1274 		if (kerr != KCGI_OK)
1275 			goto done;
1276 		newline = strchr(n_header->commit_msg, '\n');
1277 		if (newline)
1278 			*newline = '\0';
1279 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1280 		    KATTR_HREF, href_diff, KATTR__MAX);
1281 		if (kerr != KCGI_OK)
1282 			goto done;
1283 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1284 		if (kerr != KCGI_OK)
1285 			goto done;
1286 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1287 		if (kerr != KCGI_OK)
1288 			goto done;
1289 
1290 		if (n_header->refs_str) {
1291 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1292 			if (kerr != KCGI_OK)
1293 				goto done;
1294 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1295 			    KATTR_ID, "refs_str", KATTR__MAX);
1296 			if (kerr != KCGI_OK)
1297 			goto done;
1298 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1299 			    n_header->refs_str);
1300 			if (kerr != KCGI_OK)
1301 				goto done;
1302 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1303 			if (kerr != KCGI_OK)
1304 				goto done;
1305 		}
1306 
1307 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1308 		if (kerr != KCGI_OK)
1309 			goto done;
1310 
1311 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1312 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1313 		if (kerr != KCGI_OK)
1314 			goto done;
1315 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1316 		    KATTR_ID, "navs", KATTR__MAX);
1317 		if (kerr != KCGI_OK)
1318 			goto done;
1319 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1320 		    KATTR_HREF, href_diff, KATTR__MAX);
1321 		if (kerr != KCGI_OK)
1322 			goto done;
1323 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1324 		if (kerr != KCGI_OK)
1325 			goto done;
1326 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1327 		if (kerr != KCGI_OK)
1328 			goto done;
1329 
1330 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1331 		if (kerr != KCGI_OK)
1332 			goto done;
1333 
1334 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1335 		    gw_trans->repo_name, "action", "tree", "commit",
1336 		    n_header->commit_id, NULL);
1337 		if (href_tree == NULL) {
1338 			error = got_error_from_errno("khttp_urlpart");
1339 			goto done;
1340 		}
1341 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1342 		    KATTR_HREF, href_tree, KATTR__MAX);
1343 		if (kerr != KCGI_OK)
1344 			goto done;
1345 		khtml_puts(gw_trans->gw_html_req, "tree");
1346 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1347 		if (kerr != KCGI_OK)
1348 			goto done;
1349 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1350 		if (kerr != KCGI_OK)
1351 			goto done;
1352 
1353 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1354 		    KATTR_ID, "dotted_line", KATTR__MAX);
1355 		if (kerr != KCGI_OK)
1356 			goto done;
1357 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1358 		if (kerr != KCGI_OK)
1359 			goto done;
1360 
1361 		free(age);
1362 		age = NULL;
1363 		free(href_diff);
1364 		href_diff = NULL;
1365 		free(href_tree);
1366 		href_tree = NULL;
1367 	}
1368 
1369 	if (gw_trans->next_id || gw_trans->prev_id) {
1370 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1371 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1372 		if (kerr != KCGI_OK)
1373 			goto done;
1374 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1375 		    KATTR_ID, "nav_prev", KATTR__MAX);
1376 		if (kerr != KCGI_OK)
1377 			goto done;
1378 	}
1379 
1380 	if (gw_trans->prev_id) {
1381 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1382 		    KATTRX_STRING, gw_trans->repo_name, "page",
1383 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1384 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1385 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1386 		if (href_prev == NULL) {
1387 			error = got_error_from_errno("khttp_urlpartx");
1388 			goto done;
1389 		}
1390 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1391 		    KATTR_HREF, href_prev, KATTR__MAX);
1392 		if (kerr != KCGI_OK)
1393 			goto done;
1394 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1395 		if (kerr != KCGI_OK)
1396 			goto done;
1397 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1398 		if (kerr != KCGI_OK)
1399 			goto done;
1400 	}
1401 
1402 	if (gw_trans->next_id || gw_trans->page > 0) {
1403 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1404 		if (kerr != KCGI_OK)
1405 			return gw_kcgi_error(kerr);
1406 	}
1407 
1408 	if (gw_trans->next_id) {
1409 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1410 		    KATTR_ID, "nav_next", KATTR__MAX);
1411 		if (kerr != KCGI_OK)
1412 			goto done;
1413 
1414 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1415 		    KATTRX_STRING, gw_trans->repo_name, "page",
1416 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1417 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1418 		    gw_trans->next_id, NULL);
1419 		if (href_next == NULL) {
1420 			error = got_error_from_errno("khttp_urlpartx");
1421 			goto done;
1422 		}
1423 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1424 		    KATTR_HREF, href_next, KATTR__MAX);
1425 		if (kerr != KCGI_OK)
1426 			goto done;
1427 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1428 		if (kerr != KCGI_OK)
1429 			goto done;
1430 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1431 		if (kerr != KCGI_OK)
1432 			goto done;
1433 	}
1434 
1435 	if (gw_trans->next_id || gw_trans->page > 0) {
1436 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1437 		if (kerr != KCGI_OK)
1438 			goto done;
1439 	}
1440 done:
1441 	gw_free_header(header);
1442 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1443 		gw_free_header(n_header);
1444 	free(age);
1445 	free(href_next);
1446 	free(href_prev);
1447 	free(href_diff);
1448 	free(href_tree);
1449 	if (error == NULL && kerr != KCGI_OK)
1450 		error = gw_kcgi_error(kerr);
1451 	return error;
1452 }
1453 
1454 static const struct got_error *
1455 gw_summary(struct gw_trans *gw_trans)
1456 {
1457 	const struct got_error *error = NULL;
1458 	char *age = NULL;
1459 	enum kcgi_err kerr = KCGI_OK;
1460 
1461 #ifndef PROFILE
1462 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1463 		return got_error_from_errno("pledge");
1464 #endif
1465 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1466 	if (error)
1467 		goto done;
1468 
1469 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1470 	    "summary_wrapper", KATTR__MAX);
1471 	if (kerr != KCGI_OK)
1472 		return gw_kcgi_error(kerr);
1473 
1474 	if (gw_trans->gw_conf->got_show_repo_description &&
1475 	    gw_trans->gw_dir->description != NULL &&
1476 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1477 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1478 		    KATTR_ID, "description_title", KATTR__MAX);
1479 		if (kerr != KCGI_OK)
1480 			goto done;
1481 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1482 		if (kerr != KCGI_OK)
1483 			goto done;
1484 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1485 		if (kerr != KCGI_OK)
1486 			goto done;
1487 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1488 		    KATTR_ID, "description", KATTR__MAX);
1489 		if (kerr != KCGI_OK)
1490 			goto done;
1491 		kerr = khtml_puts(gw_trans->gw_html_req,
1492 		    gw_trans->gw_dir->description);
1493 		if (kerr != KCGI_OK)
1494 			goto done;
1495 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1496 		if (kerr != KCGI_OK)
1497 			goto done;
1498 	}
1499 
1500 	if (gw_trans->gw_conf->got_show_repo_owner &&
1501 	    gw_trans->gw_dir->owner != NULL &&
1502 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1503 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1504 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1505 		if (kerr != KCGI_OK)
1506 			goto done;
1507 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1508 		if (kerr != KCGI_OK)
1509 			goto done;
1510 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1511 		if (kerr != KCGI_OK)
1512 			goto done;
1513 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1514 		    KATTR_ID, "repo_owner", KATTR__MAX);
1515 		if (kerr != KCGI_OK)
1516 			goto done;
1517 		kerr = khtml_puts(gw_trans->gw_html_req,
1518 		    gw_trans->gw_dir->owner);
1519 		if (kerr != KCGI_OK)
1520 			goto done;
1521 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1522 		if (kerr != KCGI_OK)
1523 			goto done;
1524 	}
1525 
1526 	if (gw_trans->gw_conf->got_show_repo_age) {
1527 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1528 		    NULL, TM_LONG);
1529 		if (error)
1530 			goto done;
1531 		if (age != NULL) {
1532 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1533 			    KATTR_ID, "last_change_title", KATTR__MAX);
1534 			if (kerr != KCGI_OK)
1535 				goto done;
1536 			kerr = khtml_puts(gw_trans->gw_html_req,
1537 			    "Last Change: ");
1538 			if (kerr != KCGI_OK)
1539 				goto done;
1540 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1541 			if (kerr != KCGI_OK)
1542 				goto done;
1543 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1544 			    KATTR_ID, "last_change", KATTR__MAX);
1545 			if (kerr != KCGI_OK)
1546 				goto done;
1547 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1548 			if (kerr != KCGI_OK)
1549 				goto done;
1550 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1551 			if (kerr != KCGI_OK)
1552 				goto done;
1553 		}
1554 	}
1555 
1556 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1557 	    gw_trans->gw_dir->url != NULL &&
1558 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1559 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1560 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1561 		if (kerr != KCGI_OK)
1562 			goto done;
1563 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1564 		if (kerr != KCGI_OK)
1565 			goto done;
1566 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1567 		if (kerr != KCGI_OK)
1568 			goto done;
1569 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1570 		    KATTR_ID, "cloneurl", KATTR__MAX);
1571 		if (kerr != KCGI_OK)
1572 			goto done;
1573 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1574 		if (kerr != KCGI_OK)
1575 			goto done;
1576 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1577 		if (kerr != KCGI_OK)
1578 			goto done;
1579 	}
1580 
1581 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1582 	if (kerr != KCGI_OK)
1583 		goto done;
1584 
1585 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1586 	    "briefs_title_wrapper", KATTR__MAX);
1587 	if (kerr != KCGI_OK)
1588 		goto done;
1589 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1590 	    "briefs_title", KATTR__MAX);
1591 	if (kerr != KCGI_OK)
1592 		goto done;
1593 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1594 	if (kerr != KCGI_OK)
1595 		goto done;
1596 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1597 	if (kerr != KCGI_OK)
1598 		goto done;
1599 	error = gw_briefs(gw_trans);
1600 	if (error)
1601 		goto done;
1602 
1603 	error = gw_tags(gw_trans);
1604 	if (error)
1605 		goto done;
1606 
1607 	error = gw_output_repo_heads(gw_trans);
1608 done:
1609 	free(age);
1610 	if (error == NULL && kerr != KCGI_OK)
1611 		error = gw_kcgi_error(kerr);
1612 	return error;
1613 }
1614 
1615 static const struct got_error *
1616 gw_tree(struct gw_trans *gw_trans)
1617 {
1618 	const struct got_error *error = NULL;
1619 	struct gw_header *header = NULL;
1620 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1621 	char *age = NULL;
1622 	enum kcgi_err kerr = KCGI_OK;
1623 
1624 #ifndef PROFILE
1625 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1626 		return got_error_from_errno("pledge");
1627 #endif
1628 	if ((header = gw_init_header()) == NULL)
1629 		return got_error_from_errno("malloc");
1630 
1631 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1632 	if (error)
1633 		goto done;
1634 
1635 	error = gw_get_header(gw_trans, header, 1);
1636 	if (error)
1637 		goto done;
1638 
1639 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1640 	    "tree_header_wrapper", KATTR__MAX);
1641 	if (kerr != KCGI_OK)
1642 		goto done;
1643 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1644 	    "tree_header", KATTR__MAX);
1645 	if (kerr != KCGI_OK)
1646 		goto done;
1647 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1648 	if (error)
1649 		goto done;
1650 	error = gw_get_time_str(&age, header->committer_time,
1651 	    TM_LONG);
1652 	if (error)
1653 		goto done;
1654 	error = gw_gen_age_header(gw_trans, age ?age : "");
1655 	if (error)
1656 		goto done;
1657 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1658 	if (error)
1659 		goto done;
1660 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1661 	if (kerr != KCGI_OK)
1662 		goto done;
1663 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1664 	    "dotted_line", KATTR__MAX);
1665 	if (kerr != KCGI_OK)
1666 		goto done;
1667 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1668 	if (kerr != KCGI_OK)
1669 		goto done;
1670 
1671 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1672 	    "tree", KATTR__MAX);
1673 	if (kerr != KCGI_OK)
1674 		goto done;
1675 	error = gw_output_repo_tree(gw_trans, header);
1676 	if (error)
1677 		goto done;
1678 
1679 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1680 done:
1681 	gw_free_header(header);
1682 	free(tree_html_disp);
1683 	free(tree_html);
1684 	free(tree);
1685 	free(age);
1686 	if (error == NULL && kerr != KCGI_OK)
1687 		error = gw_kcgi_error(kerr);
1688 	return error;
1689 }
1690 
1691 static const struct got_error *
1692 gw_tags(struct gw_trans *gw_trans)
1693 {
1694 	const struct got_error *error = NULL;
1695 	struct gw_header *header = NULL;
1696 	char *href_next = NULL, *href_prev = NULL;
1697 	enum kcgi_err kerr = KCGI_OK;
1698 
1699 #ifndef PROFILE
1700 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1701 		return got_error_from_errno("pledge");
1702 #endif
1703 	if ((header = gw_init_header()) == NULL)
1704 		return got_error_from_errno("malloc");
1705 
1706 	if (gw_trans->action != GW_SUMMARY) {
1707 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1708 		if (error)
1709 			goto done;
1710 	}
1711 
1712 	error = gw_get_header(gw_trans, header, 1);
1713 	if (error)
1714 		goto done;
1715 
1716 	if (gw_trans->action == GW_SUMMARY) {
1717 		gw_trans->next_id = NULL;
1718 		error = gw_output_repo_tags(gw_trans, header,
1719 		    D_MAXSLCOMMDISP, TAGBRIEF);
1720 		if (error)
1721 			goto done;
1722 	} else {
1723 		error = gw_output_repo_tags(gw_trans, header,
1724 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1725 		if (error)
1726 			goto done;
1727 	}
1728 
1729 	if (gw_trans->next_id || gw_trans->page > 0) {
1730 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1731 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1732 		if (kerr != KCGI_OK)
1733 			goto done;
1734 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1735 		    KATTR_ID, "nav_prev", KATTR__MAX);
1736 		if (kerr != KCGI_OK)
1737 			goto done;
1738 	}
1739 
1740 	if (gw_trans->prev_id) {
1741 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1742 		    KATTRX_STRING, gw_trans->repo_name, "page",
1743 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1744 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1745 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1746 		if (href_prev == NULL) {
1747 			error = got_error_from_errno("khttp_urlpartx");
1748 			goto done;
1749 		}
1750 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1751 		    KATTR_HREF, href_prev, KATTR__MAX);
1752 		if (kerr != KCGI_OK)
1753 			goto done;
1754 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1755 		if (kerr != KCGI_OK)
1756 			goto done;
1757 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1758 		if (kerr != KCGI_OK)
1759 			goto done;
1760 	}
1761 
1762 	if (gw_trans->next_id || gw_trans->page > 0) {
1763 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1764 		if (kerr != KCGI_OK)
1765 			return gw_kcgi_error(kerr);
1766 	}
1767 
1768 	if (gw_trans->next_id) {
1769 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1770 		    KATTR_ID, "nav_next", KATTR__MAX);
1771 		if (kerr != KCGI_OK)
1772 			goto done;
1773 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1774 		    KATTRX_STRING, gw_trans->repo_name, "page",
1775 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1776 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1777 		    gw_trans->next_id, NULL);
1778 		if (href_next == NULL) {
1779 			error = got_error_from_errno("khttp_urlpartx");
1780 			goto done;
1781 		}
1782 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1783 		    KATTR_HREF, href_next, KATTR__MAX);
1784 		if (kerr != KCGI_OK)
1785 			goto done;
1786 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1787 		if (kerr != KCGI_OK)
1788 			goto done;
1789 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1790 		if (kerr != KCGI_OK)
1791 			goto done;
1792 	}
1793 
1794 	if (gw_trans->next_id || gw_trans->page > 0) {
1795 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1796 		if (kerr != KCGI_OK)
1797 			goto done;
1798 	}
1799 done:
1800 	gw_free_header(header);
1801 	free(href_next);
1802 	free(href_prev);
1803 	if (error == NULL && kerr != KCGI_OK)
1804 		error = gw_kcgi_error(kerr);
1805 	return error;
1806 }
1807 
1808 static const struct got_error *
1809 gw_tag(struct gw_trans *gw_trans)
1810 {
1811 	const struct got_error *error = NULL;
1812 	struct gw_header *header = NULL;
1813 	enum kcgi_err kerr = KCGI_OK;
1814 
1815 #ifndef PROFILE
1816 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1817 		return got_error_from_errno("pledge");
1818 #endif
1819 	if ((header = gw_init_header()) == NULL)
1820 		return got_error_from_errno("malloc");
1821 
1822 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1823 	if (error)
1824 		goto done;
1825 
1826 	if (gw_trans->commit_id == NULL) {
1827 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1828 		    "commit required in querystring");
1829 		goto done;
1830 	}
1831 
1832 	error = gw_get_header(gw_trans, header, 1);
1833 	if (error)
1834 		goto done;
1835 
1836 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1837 	    "tag_header_wrapper", KATTR__MAX);
1838 	if (kerr != KCGI_OK)
1839 		goto done;
1840 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1841 	    "tag_header", KATTR__MAX);
1842 	if (kerr != KCGI_OK)
1843 		goto done;
1844 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1845 	    header->refs_str);
1846 	if (error)
1847 		goto done;
1848 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1849 	if (error)
1850 		goto done;
1851 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1852 	if (kerr != KCGI_OK)
1853 		goto done;
1854 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1855 	    "dotted_line", KATTR__MAX);
1856 	if (kerr != KCGI_OK)
1857 		goto done;
1858 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1859 	if (kerr != KCGI_OK)
1860 		goto done;
1861 
1862 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1863 	    "tree", KATTR__MAX);
1864 	if (kerr != KCGI_OK)
1865 		goto done;
1866 
1867 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1868 	if (error)
1869 		goto done;
1870 
1871 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1872 done:
1873 	gw_free_header(header);
1874 	if (error == NULL && kerr != KCGI_OK)
1875 		error = gw_kcgi_error(kerr);
1876 	return error;
1877 }
1878 
1879 static const struct got_error *
1880 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1881 {
1882 	const struct got_error *error = NULL;
1883 	DIR *dt;
1884 	char *dir_test;
1885 	int opened = 0;
1886 
1887 	if (asprintf(&dir_test, "%s/%s/%s",
1888 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1889 	    GOTWEB_GIT_DIR) == -1)
1890 		return got_error_from_errno("asprintf");
1891 
1892 	dt = opendir(dir_test);
1893 	if (dt == NULL) {
1894 		free(dir_test);
1895 	} else {
1896 		gw_dir->path = strdup(dir_test);
1897 		if (gw_dir->path == NULL) {
1898 			opened = 1;
1899 			error = got_error_from_errno("strdup");
1900 			goto errored;
1901 		}
1902 		opened = 1;
1903 		goto done;
1904 	}
1905 
1906 	if (asprintf(&dir_test, "%s/%s/%s",
1907 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1908 	    GOTWEB_GOT_DIR) == -1) {
1909 		dir_test = NULL;
1910 		error = got_error_from_errno("asprintf");
1911 		goto errored;
1912 	}
1913 
1914 	dt = opendir(dir_test);
1915 	if (dt == NULL)
1916 		free(dir_test);
1917 	else {
1918 		opened = 1;
1919 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1920 		goto errored;
1921 	}
1922 
1923 	if (asprintf(&dir_test, "%s/%s",
1924 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1925 		error = got_error_from_errno("asprintf");
1926 		dir_test = NULL;
1927 		goto errored;
1928 	}
1929 
1930 	gw_dir->path = strdup(dir_test);
1931 	if (gw_dir->path == NULL) {
1932 		opened = 1;
1933 		error = got_error_from_errno("strdup");
1934 		goto errored;
1935 	}
1936 
1937 	dt = opendir(dir_test);
1938 	if (dt == NULL) {
1939 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1940 		goto errored;
1941 	} else
1942 		opened = 1;
1943 done:
1944 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1945 	    gw_dir->path);
1946 	if (error)
1947 		goto errored;
1948 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1949 	if (error)
1950 		goto errored;
1951 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1952 	    NULL, TM_DIFF);
1953 	if (error)
1954 		goto errored;
1955 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1956 errored:
1957 	free(dir_test);
1958 	if (opened)
1959 		if (dt && closedir(dt) == -1 && error == NULL)
1960 			error = got_error_from_errno("closedir");
1961 	return error;
1962 }
1963 
1964 static const struct got_error *
1965 gw_load_got_paths(struct gw_trans *gw_trans)
1966 {
1967 	const struct got_error *error = NULL;
1968 	DIR *d;
1969 	struct dirent **sd_dent;
1970 	struct gw_dir *gw_dir;
1971 	struct stat st;
1972 	unsigned int d_cnt, d_i;
1973 
1974 	d = opendir(gw_trans->gw_conf->got_repos_path);
1975 	if (d == NULL) {
1976 		error = got_error_from_errno2("opendir",
1977 		    gw_trans->gw_conf->got_repos_path);
1978 		return error;
1979 	}
1980 
1981 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1982 	    alphasort);
1983 	if (d_cnt == -1) {
1984 		error = got_error_from_errno2("scandir",
1985 		    gw_trans->gw_conf->got_repos_path);
1986 		goto done;
1987 	}
1988 
1989 	for (d_i = 0; d_i < d_cnt; d_i++) {
1990 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1991 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1992 			break; /* account for parent and self */
1993 
1994 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1995 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1996 			continue;
1997 
1998 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1999 		if (error)
2000 			goto done;
2001 
2002 		error = gw_load_got_path(gw_trans, gw_dir);
2003 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
2004 			error = NULL;
2005 			continue;
2006 		} else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
2007 			goto done;
2008 
2009 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2010 		    !got_path_dir_is_empty(gw_dir->path)) {
2011 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2012 			    entry);
2013 			gw_trans->repos_total++;
2014 		}
2015 	}
2016 done:
2017 	if (d && closedir(d) == -1 && error == NULL)
2018 		error = got_error_from_errno("closedir");
2019 	return error;
2020 }
2021 
2022 static const struct got_error *
2023 gw_parse_querystring(struct gw_trans *gw_trans)
2024 {
2025 	const struct got_error *error = NULL;
2026 	struct kpair *p;
2027 	const struct gw_query_action *action = NULL;
2028 	unsigned int i;
2029 
2030 	if (gw_trans->gw_req->fieldnmap[0]) {
2031 		return got_error(GOT_ERR_QUERYSTRING);
2032 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2033 		/* define gw_trans->repo_path */
2034 		gw_trans->repo_name = p->parsed.s;
2035 
2036 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2037 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2038 			return got_error_from_errno("asprintf");
2039 
2040 		/* get action and set function */
2041 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2042 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2043 				action = &gw_query_funcs[i];
2044 				if (action->func_name == NULL)
2045 					continue;
2046 				if (strcmp(action->func_name,
2047 				    p->parsed.s) == 0) {
2048 					gw_trans->action = i;
2049 					break;
2050 				}
2051 			}
2052 		}
2053 		if (gw_trans->action == -1) {
2054 			gw_trans->action = GW_ERR;
2055 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2056 			    p != NULL ? "bad action in querystring" :
2057 			    "no action in querystring");
2058 			return error;
2059 		}
2060 
2061 		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2062 			if (asprintf(&gw_trans->commit_id, "%s",
2063 			    p->parsed.s) == -1)
2064 				return got_error_from_errno("asprintf");
2065 		}
2066 
2067 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2068 			gw_trans->repo_file = p->parsed.s;
2069 
2070 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2071 			if (asprintf(&gw_trans->repo_folder, "%s",
2072 			    p->parsed.s) == -1)
2073 				return got_error_from_errno("asprintf");
2074 		}
2075 
2076 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2077 			if (asprintf(&gw_trans->prev_id, "%s",
2078 			    p->parsed.s) == -1)
2079 				return got_error_from_errno("asprintf");
2080 		}
2081 
2082 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2083 			gw_trans->headref = p->parsed.s;
2084 
2085 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2086 		if (error)
2087 			return error;
2088 
2089 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2090 	} else
2091 		gw_trans->action = GW_INDEX;
2092 
2093 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2094 		gw_trans->page = p->parsed.i;
2095 
2096 	return error;
2097 }
2098 
2099 static const struct got_error *
2100 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2101 {
2102 	const struct got_error *error;
2103 
2104 	*gw_dir = malloc(sizeof(**gw_dir));
2105 	if (*gw_dir == NULL)
2106 		return got_error_from_errno("malloc");
2107 
2108 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2109 		error = got_error_from_errno("asprintf");
2110 		free(*gw_dir);
2111 		*gw_dir = NULL;
2112 		return error;
2113 	}
2114 
2115 	return NULL;
2116 }
2117 
2118 static const struct got_error *
2119 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2120 {
2121 	enum kcgi_err kerr = KCGI_OK;
2122 
2123 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2124 	if (kerr != KCGI_OK)
2125 		return gw_kcgi_error(kerr);
2126 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2127 	    khttps[code]);
2128 	if (kerr != KCGI_OK)
2129 		return gw_kcgi_error(kerr);
2130 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2131 	    kmimetypes[mime]);
2132 	if (kerr != KCGI_OK)
2133 		return gw_kcgi_error(kerr);
2134 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2135 	    "nosniff");
2136 	if (kerr != KCGI_OK)
2137 		return gw_kcgi_error(kerr);
2138 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2139 	if (kerr != KCGI_OK)
2140 		return gw_kcgi_error(kerr);
2141 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2142 	    "1; mode=block");
2143 	if (kerr != KCGI_OK)
2144 		return gw_kcgi_error(kerr);
2145 
2146 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2147 		kerr = khttp_head(gw_trans->gw_req,
2148 		    kresps[KRESP_CONTENT_DISPOSITION],
2149 		    "attachment; filename=%s", gw_trans->repo_file);
2150 		if (kerr != KCGI_OK)
2151 			return gw_kcgi_error(kerr);
2152 	}
2153 
2154 	kerr = khttp_body(gw_trans->gw_req);
2155 	return gw_kcgi_error(kerr);
2156 }
2157 
2158 static const struct got_error *
2159 gw_display_index(struct gw_trans *gw_trans)
2160 {
2161 	const struct got_error *error;
2162 	enum kcgi_err kerr = KCGI_OK;
2163 
2164 	/* catch early querystring errors */
2165 	if (gw_trans->error)
2166 		gw_trans->action = GW_ERR;
2167 
2168 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2169 	if (error)
2170 		return error;
2171 
2172 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2173 	if (kerr != KCGI_OK)
2174 		return gw_kcgi_error(kerr);
2175 
2176 	if (gw_trans->action != GW_BLOB) {
2177 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2178 		    gw_query_funcs[gw_trans->action].template);
2179 		if (kerr != KCGI_OK) {
2180 			khtml_close(gw_trans->gw_html_req);
2181 			return gw_kcgi_error(kerr);
2182 		}
2183 	}
2184 
2185 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2186 }
2187 
2188 static const struct got_error *
2189 gw_error(struct gw_trans *gw_trans)
2190 {
2191 	enum kcgi_err kerr = KCGI_OK;
2192 
2193 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2194 
2195 	return gw_kcgi_error(kerr);
2196 }
2197 
2198 static int
2199 gw_template(size_t key, void *arg)
2200 {
2201 	const struct got_error *error = NULL;
2202 	enum kcgi_err kerr = KCGI_OK;
2203 	struct gw_trans *gw_trans = arg;
2204 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2205 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2206 
2207 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2208 	    "/apple-touch-icon.png") == -1)
2209 		goto err;
2210 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2211 	    "/favicon-32x32.png") == -1)
2212 		goto err;
2213 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2214 	    "/favicon-16x16.png") == -1)
2215 		goto err;
2216 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2217 	    "/site.webmanifest") == -1)
2218 		goto err;
2219 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2220 	    "/safari-pinned-tab.svg") == -1)
2221 		goto err;
2222 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2223 	    "/gotweb.css") == -1)
2224 		goto err;
2225 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2226 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2227 	    gw_trans->gw_conf->got_logo) == -1)
2228 		goto err;
2229 
2230 	switch (key) {
2231 	case (TEMPL_HEAD):
2232 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2233 		    KATTR_NAME, "viewport",
2234 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2235 		    KATTR__MAX);
2236 		if (kerr != KCGI_OK)
2237 			return 0;
2238 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2239 		if (kerr != KCGI_OK)
2240 			return 0;
2241 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2242 		    KATTR_CHARSET, "utf-8",
2243 		    KATTR__MAX);
2244 		if (kerr != KCGI_OK)
2245 			return 0;
2246 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2247 		if (kerr != KCGI_OK)
2248 			return 0;
2249 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2250 		    KATTR_NAME, "msapplication-TileColor",
2251 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2252 		if (kerr != KCGI_OK)
2253 			return 0;
2254 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2255 		if (kerr != KCGI_OK)
2256 			return 0;
2257 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2258 		    KATTR_NAME, "theme-color",
2259 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2260 		if (kerr != KCGI_OK)
2261 			return 0;
2262 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2263 		if (kerr != KCGI_OK)
2264 			return 0;
2265 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2266 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2267 		    KATTR_HREF, ati, KATTR__MAX);
2268 		if (kerr != KCGI_OK)
2269 			return 0;
2270 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2271 		if (kerr != KCGI_OK)
2272 			return 0;
2273 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2274 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2275 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2276 		if (kerr != KCGI_OK)
2277 			return 0;
2278 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2279 		if (kerr != KCGI_OK)
2280 			return 0;
2281 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2282 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2283 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2284 		if (kerr != KCGI_OK)
2285 			return 0;
2286 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2287 		if (kerr != KCGI_OK)
2288 			return 0;
2289 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2290 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2291 		    KATTR__MAX);
2292 		if (kerr != KCGI_OK)
2293 			return 0;
2294 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2295 		if (kerr != KCGI_OK)
2296 			return 0;
2297 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2298 		    KATTR_REL, "mask-icon", KATTR_HREF,
2299 		    spt, KATTR__MAX);
2300 		if (kerr != KCGI_OK)
2301 			return 0;
2302 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2303 		if (kerr != KCGI_OK)
2304 			return 0;
2305 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2306 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2307 		    KATTR_HREF, css, KATTR__MAX);
2308 		if (kerr != KCGI_OK)
2309 			return 0;
2310 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2311 		if (kerr != KCGI_OK)
2312 			return 0;
2313 		break;
2314 	case(TEMPL_HEADER):
2315 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2316 		    KATTR_ID, "got_link", KATTR__MAX);
2317 		if (kerr != KCGI_OK)
2318 			return 0;
2319 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2320 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2321 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2322 		if (kerr != KCGI_OK)
2323 			return 0;
2324 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2325 		    KATTR_SRC, logo, KATTR__MAX);
2326 		if (kerr != KCGI_OK)
2327 			return 0;
2328 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2329 		if (kerr != KCGI_OK)
2330 			return 0;
2331 		break;
2332 	case (TEMPL_SITEPATH):
2333 		error = gw_output_site_link(gw_trans);
2334 		if (error)
2335 			return 0;
2336 		break;
2337 	case(TEMPL_TITLE):
2338 		if (gw_trans->gw_conf->got_site_name != NULL) {
2339 			kerr = khtml_puts(gw_trans->gw_html_req,
2340 			    gw_trans->gw_conf->got_site_name);
2341 			if (kerr != KCGI_OK)
2342 				return 0;
2343 		}
2344 		break;
2345 	case (TEMPL_SEARCH):
2346 		break;
2347 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2348 		    "search", KATTR__MAX);
2349 		if (kerr != KCGI_OK)
2350 			return 0;
2351 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2352 			    KATTR_METHOD, "POST", KATTR__MAX);
2353 		if (kerr != KCGI_OK)
2354 			return 0;
2355 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2356 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2357 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2358 		if (kerr != KCGI_OK)
2359 			return 0;
2360 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2361 		    KATTR__MAX);
2362 		if (kerr != KCGI_OK)
2363 			return 0;
2364 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2365 		if (kerr != KCGI_OK)
2366 			return 0;
2367 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2368 		if (kerr != KCGI_OK)
2369 			return 0;
2370 		break;
2371 	case(TEMPL_SITEOWNER):
2372 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2373 		    gw_trans->gw_conf->got_show_site_owner) {
2374 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2375 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2376 			if (kerr != KCGI_OK)
2377 				return 0;
2378 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2379 			    KATTR_ID, "site_owner", KATTR__MAX);
2380 			if (kerr != KCGI_OK)
2381 				return 0;
2382 			kerr = khtml_puts(gw_trans->gw_html_req,
2383 			    gw_trans->gw_conf->got_site_owner);
2384 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2385 			if (kerr != KCGI_OK)
2386 				return 0;
2387 		}
2388 		break;
2389 	case(TEMPL_CONTENT):
2390 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2391 		if (error) {
2392 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2393 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2394 			if (kerr != KCGI_OK)
2395 				return 0;
2396 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2397 			    error->msg);
2398 			if (kerr != KCGI_OK)
2399 				return 0;
2400 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2401 			if (kerr != KCGI_OK)
2402 				return 0;
2403 		}
2404 		break;
2405 	default:
2406 		return 0;
2407 	}
2408 	free(ati);
2409 	free(fic32);
2410 	free(fic16);
2411 	free(swm);
2412 	free(spt);
2413 	free(css);
2414 	free(logo);
2415 	return 1;
2416 err:
2417 	free(ati);
2418 	free(fic32);
2419 	free(fic16);
2420 	free(swm);
2421 	free(spt);
2422 	free(css);
2423 	free(logo);
2424 	return 0;
2425 }
2426 
2427 static const struct got_error *
2428 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2429 {
2430 	const struct got_error *error = NULL;
2431 	enum kcgi_err kerr = KCGI_OK;
2432 
2433 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2434 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2435 	if (kerr != KCGI_OK)
2436 		goto done;
2437 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2438 	if (kerr != KCGI_OK)
2439 		goto done;
2440 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2441 	if (kerr != KCGI_OK)
2442 		goto done;
2443 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2444 	    KATTR_ID, "header_commit", KATTR__MAX);
2445 	if (kerr != KCGI_OK)
2446 		goto done;
2447 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2448 	if (kerr != KCGI_OK)
2449 		goto done;
2450 	if (str2 != NULL) {
2451 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2452 		    KATTR_ID, "refs_str", KATTR__MAX);
2453 		if (kerr != KCGI_OK)
2454 			goto done;
2455 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2456 		if (kerr != KCGI_OK)
2457 			goto done;
2458 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2459 		if (kerr != KCGI_OK)
2460 			goto done;
2461 	}
2462 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2463 done:
2464 	if (error == NULL && kerr != KCGI_OK)
2465 		error = gw_kcgi_error(kerr);
2466 	return error;
2467 }
2468 
2469 static const struct got_error *
2470 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2471 {
2472 	const struct got_error *error = NULL;
2473 	enum kcgi_err kerr = KCGI_OK;
2474 
2475 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2476 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2477 	if (kerr != KCGI_OK)
2478 		goto done;
2479 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2480 	if (kerr != KCGI_OK)
2481 		goto done;
2482 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2483 	if (kerr != KCGI_OK)
2484 		goto done;
2485 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2486 	    KATTR_ID, "header_diff", KATTR__MAX);
2487 	if (kerr != KCGI_OK)
2488 		goto done;
2489 	if (str1 != NULL) {
2490 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2491 		if (kerr != KCGI_OK)
2492 			goto done;
2493 	}
2494 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2495 	if (kerr != KCGI_OK)
2496 		goto done;
2497 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2498 	if (kerr != KCGI_OK)
2499 		goto done;
2500 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2501 done:
2502 	if (error == NULL && kerr != KCGI_OK)
2503 		error = gw_kcgi_error(kerr);
2504 	return error;
2505 }
2506 
2507 static const struct got_error *
2508 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2509 {
2510 	const struct got_error *error = NULL;
2511 	enum kcgi_err kerr = KCGI_OK;
2512 
2513 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2514 	    KATTR_ID, "header_age_title", KATTR__MAX);
2515 	if (kerr != KCGI_OK)
2516 		goto done;
2517 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2518 	if (kerr != KCGI_OK)
2519 		goto done;
2520 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2521 	if (kerr != KCGI_OK)
2522 		goto done;
2523 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2524 	    KATTR_ID, "header_age", KATTR__MAX);
2525 	if (kerr != KCGI_OK)
2526 		goto done;
2527 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2528 	if (kerr != KCGI_OK)
2529 		goto done;
2530 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2531 done:
2532 	if (error == NULL && kerr != KCGI_OK)
2533 		error = gw_kcgi_error(kerr);
2534 	return error;
2535 }
2536 
2537 static const struct got_error *
2538 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2539 {
2540 	const struct got_error *error = NULL;
2541 	enum kcgi_err kerr = KCGI_OK;
2542 
2543 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2544 	    KATTR_ID, "header_author_title", KATTR__MAX);
2545 	if (kerr != KCGI_OK)
2546 		goto done;
2547 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2548 	if (kerr != KCGI_OK)
2549 		goto done;
2550 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2551 	if (kerr != KCGI_OK)
2552 		goto done;
2553 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2554 	    KATTR_ID, "header_author", KATTR__MAX);
2555 	if (kerr != KCGI_OK)
2556 		goto done;
2557 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2558 	if (kerr != KCGI_OK)
2559 		goto done;
2560 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2561 done:
2562 	if (error == NULL && kerr != KCGI_OK)
2563 		error = gw_kcgi_error(kerr);
2564 	return error;
2565 }
2566 
2567 static const struct got_error *
2568 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2569 {
2570 	const struct got_error *error = NULL;
2571 	enum kcgi_err kerr = KCGI_OK;
2572 
2573 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2574 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2575 	if (kerr != KCGI_OK)
2576 		goto done;
2577 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2578 	if (kerr != KCGI_OK)
2579 		goto done;
2580 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2581 	if (kerr != KCGI_OK)
2582 		goto done;
2583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2584 	    KATTR_ID, "header_committer", KATTR__MAX);
2585 	if (kerr != KCGI_OK)
2586 		goto done;
2587 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2588 	if (kerr != KCGI_OK)
2589 		goto done;
2590 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2591 done:
2592 	if (error == NULL && kerr != KCGI_OK)
2593 		error = gw_kcgi_error(kerr);
2594 	return error;
2595 }
2596 
2597 static const struct got_error *
2598 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2599 {
2600 	const struct got_error *error = NULL;
2601 	enum kcgi_err kerr = KCGI_OK;
2602 
2603 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2604 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2605 	if (kerr != KCGI_OK)
2606 		goto done;
2607 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2608 	if (kerr != KCGI_OK)
2609 		goto done;
2610 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2611 	if (kerr != KCGI_OK)
2612 		goto done;
2613 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2614 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2615 	if (kerr != KCGI_OK)
2616 		goto done;
2617 	kerr = khttp_puts(gw_trans->gw_req, str);
2618 	if (kerr != KCGI_OK)
2619 		goto done;
2620 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2621 done:
2622 	if (error == NULL && kerr != KCGI_OK)
2623 		error = gw_kcgi_error(kerr);
2624 	return error;
2625 }
2626 
2627 static const struct got_error *
2628 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2629 {
2630 	const struct got_error *error = NULL;
2631 	enum kcgi_err kerr = KCGI_OK;
2632 
2633 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2634 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2635 	if (kerr != KCGI_OK)
2636 		goto done;
2637 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2638 	if (kerr != KCGI_OK)
2639 		goto done;
2640 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2641 	if (kerr != KCGI_OK)
2642 		goto done;
2643 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2644 	    KATTR_ID, "header_tree", KATTR__MAX);
2645 	if (kerr != KCGI_OK)
2646 		goto done;
2647 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2648 	if (kerr != KCGI_OK)
2649 		goto done;
2650 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2651 done:
2652 	if (error == NULL && kerr != KCGI_OK)
2653 		error = gw_kcgi_error(kerr);
2654 	return error;
2655 }
2656 
2657 static const struct got_error *
2658 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2659     char *dir)
2660 {
2661 	const struct got_error *error = NULL;
2662 	FILE *f = NULL;
2663 	char *d_file = NULL;
2664 	unsigned int len;
2665 	size_t n;
2666 
2667 	*description = NULL;
2668 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2669 		return NULL;
2670 
2671 	if (asprintf(&d_file, "%s/description", dir) == -1)
2672 		return got_error_from_errno("asprintf");
2673 
2674 	f = fopen(d_file, "re");
2675 	if (f == NULL) {
2676 		if (errno == ENOENT || errno == EACCES)
2677 			return NULL;
2678 		error = got_error_from_errno2("fopen", d_file);
2679 		goto done;
2680 	}
2681 
2682 	if (fseek(f, 0, SEEK_END) == -1) {
2683 		error = got_ferror(f, GOT_ERR_IO);
2684 		goto done;
2685 	}
2686 	len = ftell(f);
2687 	if (len == -1) {
2688 		error = got_ferror(f, GOT_ERR_IO);
2689 		goto done;
2690 	}
2691 	if (fseek(f, 0, SEEK_SET) == -1) {
2692 		error = got_ferror(f, GOT_ERR_IO);
2693 		goto done;
2694 	}
2695 	*description = calloc(len + 1, sizeof(**description));
2696 	if (*description == NULL) {
2697 		error = got_error_from_errno("calloc");
2698 		goto done;
2699 	}
2700 
2701 	n = fread(*description, 1, len, f);
2702 	if (n == 0 && ferror(f))
2703 		error = got_ferror(f, GOT_ERR_IO);
2704 done:
2705 	if (f != NULL && fclose(f) == EOF && error == NULL)
2706 		error = got_error_from_errno("fclose");
2707 	free(d_file);
2708 	return error;
2709 }
2710 
2711 static const struct got_error *
2712 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2713 {
2714 	struct tm tm;
2715 	time_t diff_time;
2716 	char *years = "years ago", *months = "months ago";
2717 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2718 	char *minutes = "minutes ago", *seconds = "seconds ago";
2719 	char *now = "right now";
2720 	char *s;
2721 	char datebuf[29];
2722 
2723 	*repo_age = NULL;
2724 
2725 	switch (ref_tm) {
2726 	case TM_DIFF:
2727 		diff_time = time(NULL) - committer_time;
2728 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2729 			if (asprintf(repo_age, "%lld %s",
2730 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2731 				return got_error_from_errno("asprintf");
2732 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2733 			if (asprintf(repo_age, "%lld %s",
2734 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2735 			    months) == -1)
2736 				return got_error_from_errno("asprintf");
2737 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2738 			if (asprintf(repo_age, "%lld %s",
2739 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2740 				return got_error_from_errno("asprintf");
2741 		} else if (diff_time > 60 * 60 * 24 * 2) {
2742 			if (asprintf(repo_age, "%lld %s",
2743 			    (diff_time / 60 / 60 / 24), days) == -1)
2744 				return got_error_from_errno("asprintf");
2745 		} else if (diff_time > 60 * 60 * 2) {
2746 			if (asprintf(repo_age, "%lld %s",
2747 			    (diff_time / 60 / 60), hours) == -1)
2748 				return got_error_from_errno("asprintf");
2749 		} else if (diff_time > 60 * 2) {
2750 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2751 			    minutes) == -1)
2752 				return got_error_from_errno("asprintf");
2753 		} else if (diff_time > 2) {
2754 			if (asprintf(repo_age, "%lld %s", diff_time,
2755 			    seconds) == -1)
2756 				return got_error_from_errno("asprintf");
2757 		} else {
2758 			if (asprintf(repo_age, "%s", now) == -1)
2759 				return got_error_from_errno("asprintf");
2760 		}
2761 		break;
2762 	case TM_LONG:
2763 		if (gmtime_r(&committer_time, &tm) == NULL)
2764 			return got_error_from_errno("gmtime_r");
2765 
2766 		s = asctime_r(&tm, datebuf);
2767 		if (s == NULL)
2768 			return got_error_from_errno("asctime_r");
2769 
2770 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2771 			return got_error_from_errno("asprintf");
2772 		break;
2773 	}
2774 	return NULL;
2775 }
2776 
2777 static const struct got_error *
2778 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2779     const char *refname, int ref_tm)
2780 {
2781 	const struct got_error *error = NULL;
2782 	struct got_repository *repo = NULL;
2783 	struct got_commit_object *commit = NULL;
2784 	struct got_reflist_head refs;
2785 	struct got_reflist_entry *re;
2786 	time_t committer_time = 0, cmp_time = 0;
2787 
2788 	*repo_age = NULL;
2789 	TAILQ_INIT(&refs);
2790 
2791 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2792 		return NULL;
2793 
2794 	if (gw_trans->repo)
2795 		repo = gw_trans->repo;
2796 	else {
2797 		error = got_repo_open(&repo, dir, NULL);
2798 		if (error)
2799 			return error;
2800 	}
2801 
2802 	error = got_ref_list(&refs, repo, "refs/heads",
2803 	    got_ref_cmp_by_name, NULL);
2804 	if (error)
2805 		goto done;
2806 
2807 	/*
2808 	 * Find the youngest branch tip in the repository, or the age of
2809 	 * the a specific branch tip if a name was provided by the caller.
2810 	 */
2811 	TAILQ_FOREACH(re, &refs, entry) {
2812 		struct got_object_id *id = NULL;
2813 
2814 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2815 			continue;
2816 
2817 		error = got_ref_resolve(&id, repo, re->ref);
2818 		if (error)
2819 			goto done;
2820 
2821 		error = got_object_open_as_commit(&commit, repo, id);
2822 		free(id);
2823 		if (error)
2824 			goto done;
2825 
2826 		committer_time =
2827 		    got_object_commit_get_committer_time(commit);
2828 		got_object_commit_close(commit);
2829 		if (cmp_time < committer_time)
2830 			cmp_time = committer_time;
2831 
2832 		if (refname)
2833 			break;
2834 	}
2835 
2836 	if (cmp_time != 0) {
2837 		committer_time = cmp_time;
2838 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2839 	}
2840 done:
2841 	got_ref_list_free(&refs);
2842 	if (gw_trans->repo == NULL) {
2843 		const struct got_error *close_err = got_repo_close(repo);
2844 		if (error == NULL)
2845 			error = close_err;
2846 	}
2847 	return error;
2848 }
2849 
2850 static const struct got_error *
2851 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2852 {
2853 	const struct got_error *error;
2854 	FILE *f = NULL;
2855 	struct got_object_id *id1 = NULL, *id2 = NULL;
2856 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2857 	int obj_type;
2858 	size_t linesize = 0;
2859 	ssize_t linelen;
2860 	enum kcgi_err kerr = KCGI_OK;
2861 
2862 	f = got_opentemp();
2863 	if (f == NULL)
2864 		return NULL;
2865 
2866 	if (header->parent_id != NULL &&
2867 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2868 		error = got_repo_match_object_id(&id1, &label1,
2869 			header->parent_id, GOT_OBJ_TYPE_ANY,
2870 			&header->refs, gw_trans->repo);
2871 		if (error)
2872 			goto done;
2873 	}
2874 
2875 	error = got_repo_match_object_id(&id2, &label2,
2876 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2877 	    gw_trans->repo);
2878 	if (error)
2879 		goto done;
2880 
2881 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2882 	if (error)
2883 		goto done;
2884 	switch (obj_type) {
2885 	case GOT_OBJ_TYPE_BLOB:
2886 		error = got_diff_objects_as_blobs(NULL, NULL, id1, id2,
2887 		    NULL, NULL, 3, 0, 0, gw_trans->repo, f);
2888 		break;
2889 	case GOT_OBJ_TYPE_TREE:
2890 		error = got_diff_objects_as_trees(NULL, NULL, id1, id2,
2891 		    NULL, "", "", 3, 0, 0, gw_trans->repo, f);
2892 		break;
2893 	case GOT_OBJ_TYPE_COMMIT:
2894 		error = got_diff_objects_as_commits(NULL, NULL, id1, id2,
2895 		    NULL, 3, 0, 0, gw_trans->repo, f);
2896 		break;
2897 	default:
2898 		error = got_error(GOT_ERR_OBJ_TYPE);
2899 	}
2900 	if (error)
2901 		goto done;
2902 
2903 	if (fseek(f, 0, SEEK_SET) == -1) {
2904 		error = got_ferror(f, GOT_ERR_IO);
2905 		goto done;
2906 	}
2907 
2908 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2909 		error = gw_colordiff_line(gw_trans, line);
2910 		if (error)
2911 			goto done;
2912 		/* XXX: KHTML_PRETTY breaks this */
2913 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2914 		if (kerr != KCGI_OK)
2915 			goto done;
2916 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2917 		if (kerr != KCGI_OK)
2918 			goto done;
2919 	}
2920 	if (linelen == -1 && ferror(f))
2921 		error = got_error_from_errno("getline");
2922 done:
2923 	if (f && fclose(f) == EOF && error == NULL)
2924 		error = got_error_from_errno("fclose");
2925 	free(line);
2926 	free(label1);
2927 	free(label2);
2928 	free(id1);
2929 	free(id2);
2930 
2931 	if (error == NULL && kerr != KCGI_OK)
2932 		error = gw_kcgi_error(kerr);
2933 	return error;
2934 }
2935 
2936 static const struct got_error *
2937 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2938 {
2939 	const struct got_error *error = NULL, *close_err;
2940 	struct got_repository *repo;
2941 	const char *gitconfig_owner;
2942 
2943 	*owner = NULL;
2944 
2945 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2946 		return NULL;
2947 
2948 	error = got_repo_open(&repo, dir, NULL);
2949 	if (error)
2950 		return error;
2951 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2952 	if (gitconfig_owner) {
2953 		*owner = strdup(gitconfig_owner);
2954 		if (*owner == NULL)
2955 			error = got_error_from_errno("strdup");
2956 	}
2957 	close_err = got_repo_close(repo);
2958 	if (error == NULL)
2959 		error = close_err;
2960 	return error;
2961 }
2962 
2963 static const struct got_error *
2964 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2965 {
2966 	const struct got_error *error = NULL;
2967 	FILE *f;
2968 	char *d_file = NULL;
2969 	unsigned int len;
2970 	size_t n;
2971 
2972 	*url = NULL;
2973 
2974 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2975 		return got_error_from_errno("asprintf");
2976 
2977 	f = fopen(d_file, "re");
2978 	if (f == NULL) {
2979 		if (errno != ENOENT && errno != EACCES)
2980 			error = got_error_from_errno2("fopen", d_file);
2981 		goto done;
2982 	}
2983 
2984 	if (fseek(f, 0, SEEK_END) == -1) {
2985 		error = got_ferror(f, GOT_ERR_IO);
2986 		goto done;
2987 	}
2988 	len = ftell(f);
2989 	if (len == -1) {
2990 		error = got_ferror(f, GOT_ERR_IO);
2991 		goto done;
2992 	}
2993 	if (fseek(f, 0, SEEK_SET) == -1) {
2994 		error = got_ferror(f, GOT_ERR_IO);
2995 		goto done;
2996 	}
2997 
2998 	*url = calloc(len + 1, sizeof(**url));
2999 	if (*url == NULL) {
3000 		error = got_error_from_errno("calloc");
3001 		goto done;
3002 	}
3003 
3004 	n = fread(*url, 1, len, f);
3005 	if (n == 0 && ferror(f))
3006 		error = got_ferror(f, GOT_ERR_IO);
3007 done:
3008 	if (f && fclose(f) == EOF && error == NULL)
3009 		error = got_error_from_errno("fclose");
3010 	free(d_file);
3011 	return NULL;
3012 }
3013 
3014 static const struct got_error *
3015 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3016     int limit, int tag_type)
3017 {
3018 	const struct got_error *error = NULL;
3019 	struct got_reflist_head refs;
3020 	struct got_reflist_entry *re;
3021 	char *age = NULL;
3022 	char *id_str = NULL, *newline, *href_commits = NULL;
3023 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3024 	struct got_tag_object *tag = NULL;
3025 	enum kcgi_err kerr = KCGI_OK;
3026 	int summary_header_displayed = 0, chk_next = 0;
3027 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3028 
3029 	TAILQ_INIT(&refs);
3030 
3031 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3032 	    got_ref_cmp_tags, gw_trans->repo);
3033 	if (error)
3034 		goto done;
3035 
3036 	TAILQ_FOREACH(re, &refs, entry) {
3037 		const char *refname;
3038 		const char *tagger;
3039 		const char *tag_commit;
3040 		time_t tagger_time;
3041 		struct got_object_id *id;
3042 		struct got_commit_object *commit = NULL;
3043 
3044 		refname = got_ref_get_name(re->ref);
3045 		if (strncmp(refname, "refs/tags/", 10) != 0)
3046 			continue;
3047 		refname += 10;
3048 
3049 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3050 		if (error)
3051 			goto done;
3052 
3053 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3054 		if (error) {
3055 			if (error->code != GOT_ERR_OBJ_TYPE) {
3056 				free(id);
3057 				goto done;
3058 			}
3059 			/* "lightweight" tag */
3060 			error = got_object_open_as_commit(&commit,
3061 			    gw_trans->repo, id);
3062 			if (error) {
3063 				free(id);
3064 				goto done;
3065 			}
3066 			tagger = got_object_commit_get_committer(commit);
3067 			tagger_time =
3068 			    got_object_commit_get_committer_time(commit);
3069 			error = got_object_id_str(&id_str, id);
3070 			free(id);
3071 		} else {
3072 			free(id);
3073 			tagger = got_object_tag_get_tagger(tag);
3074 			tagger_time = got_object_tag_get_tagger_time(tag);
3075 			error = got_object_id_str(&id_str,
3076 			    got_object_tag_get_object_id(tag));
3077 		}
3078 		if (error)
3079 			goto done;
3080 
3081 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3082 		    strlen(id_str)) != 0)
3083 			continue;
3084 
3085 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3086 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3087 		    strlen(id_str)) != 0)
3088 			continue;
3089 		else
3090 			commit_found = 1;
3091 
3092 		tag_count++;
3093 
3094 		if (chk_next) {
3095 			gw_trans->next_id = strdup(id_str);
3096 			if (gw_trans->next_id == NULL)
3097 				error = got_error_from_errno("strdup");
3098 			goto prev;
3099 		}
3100 
3101 		if (commit) {
3102 			error = got_object_commit_get_logmsg(&tag_commit0,
3103 			    commit);
3104 			if (error)
3105 				goto done;
3106 			got_object_commit_close(commit);
3107 		} else {
3108 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3109 			if (tag_commit0 == NULL) {
3110 				error = got_error_from_errno("strdup");
3111 				goto done;
3112 			}
3113 		}
3114 
3115 		tag_commit = tag_commit0;
3116 		while (*tag_commit == '\n')
3117 			tag_commit++;
3118 
3119 		switch (tag_type) {
3120 		case TAGBRIEF:
3121 			newline = strchr(tag_commit, '\n');
3122 			if (newline)
3123 				*newline = '\0';
3124 
3125 			if (summary_header_displayed == 0) {
3126 				kerr = khtml_attr(gw_trans->gw_html_req,
3127 				    KELEM_DIV, KATTR_ID,
3128 				    "summary_tags_title_wrapper", KATTR__MAX);
3129 				if (kerr != KCGI_OK)
3130 					goto done;
3131 				kerr = khtml_attr(gw_trans->gw_html_req,
3132 				    KELEM_DIV, KATTR_ID,
3133 				    "summary_tags_title", KATTR__MAX);
3134 				if (kerr != KCGI_OK)
3135 					goto done;
3136 				kerr = khtml_puts(gw_trans->gw_html_req,
3137 				    "Tags");
3138 				if (kerr != KCGI_OK)
3139 					goto done;
3140 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3141 				    2);
3142 				if (kerr != KCGI_OK)
3143 					goto done;
3144 				kerr = khtml_attr(gw_trans->gw_html_req,
3145 				    KELEM_DIV, KATTR_ID,
3146 				    "summary_tags_content", KATTR__MAX);
3147 				if (kerr != KCGI_OK)
3148 					goto done;
3149 				summary_header_displayed = 1;
3150 			}
3151 
3152 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3153 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3154 			if (kerr != KCGI_OK)
3155 				goto done;
3156 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3157 			    KATTR_ID, "tag_age", KATTR__MAX);
3158 			if (kerr != KCGI_OK)
3159 				goto done;
3160 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3161 			if (error)
3162 				goto done;
3163 			kerr = khtml_puts(gw_trans->gw_html_req,
3164 			    age ? age : "");
3165 			if (kerr != KCGI_OK)
3166 				goto done;
3167 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3168 			if (kerr != KCGI_OK)
3169 				goto done;
3170 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3171 			    KATTR_ID, "tag", KATTR__MAX);
3172 			if (kerr != KCGI_OK)
3173 				goto done;
3174 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3175 			if (kerr != KCGI_OK)
3176 				goto done;
3177 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3178 			if (kerr != KCGI_OK)
3179 				goto done;
3180 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3181 			    KATTR_ID, "tag_name", KATTR__MAX);
3182 			if (kerr != KCGI_OK)
3183 				goto done;
3184 
3185 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3186 			    gw_trans->repo_name, "action", "tag", "commit",
3187 			    id_str, NULL);
3188 			if (href_tag == NULL) {
3189 				error = got_error_from_errno("khttp_urlpart");
3190 				goto done;
3191 			}
3192 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3193 			    KATTR_HREF, href_tag, KATTR__MAX);
3194 			if (kerr != KCGI_OK)
3195 				goto done;
3196 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3200 			if (kerr != KCGI_OK)
3201 				goto done;
3202 
3203 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3204 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3205 			if (kerr != KCGI_OK)
3206 				goto done;
3207 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3208 			    KATTR_ID, "navs", KATTR__MAX);
3209 			if (kerr != KCGI_OK)
3210 				goto done;
3211 
3212 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3213 			    KATTR_HREF, href_tag, KATTR__MAX);
3214 			if (kerr != KCGI_OK)
3215 				goto done;
3216 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3217 			if (kerr != KCGI_OK)
3218 				goto done;
3219 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3220 			if (kerr != KCGI_OK)
3221 				goto done;
3222 
3223 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3224 			if (kerr != KCGI_OK)
3225 				goto done;
3226 
3227 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3228 			    "path", gw_trans->repo_name, "action", "briefs",
3229 			    "commit", id_str, NULL);
3230 			if (href_briefs == NULL) {
3231 				error = got_error_from_errno("khttp_urlpart");
3232 				goto done;
3233 			}
3234 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3235 			    KATTR_HREF, href_briefs, KATTR__MAX);
3236 			if (kerr != KCGI_OK)
3237 				goto done;
3238 			kerr = khtml_puts(gw_trans->gw_html_req,
3239 			    "commit briefs");
3240 			if (kerr != KCGI_OK)
3241 				goto done;
3242 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3243 			if (kerr != KCGI_OK)
3244 				goto done;
3245 
3246 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3247 			if (kerr != KCGI_OK)
3248 				goto done;
3249 
3250 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3251 			    "path", gw_trans->repo_name, "action", "commits",
3252 			    "commit", id_str, NULL);
3253 			if (href_commits == NULL) {
3254 				error = got_error_from_errno("khttp_urlpart");
3255 				goto done;
3256 			}
3257 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3258 			    KATTR_HREF, href_commits, KATTR__MAX);
3259 			if (kerr != KCGI_OK)
3260 				goto done;
3261 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3262 			if (kerr != KCGI_OK)
3263 				goto done;
3264 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3265 			if (kerr != KCGI_OK)
3266 				goto done;
3267 
3268 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3269 			    KATTR_ID, "dotted_line", KATTR__MAX);
3270 			if (kerr != KCGI_OK)
3271 				goto done;
3272 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3273 			if (kerr != KCGI_OK)
3274 				goto done;
3275 			break;
3276 		case TAGFULL:
3277 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3278 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3279 			if (kerr != KCGI_OK)
3280 				goto done;
3281 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3282 			if (kerr != KCGI_OK)
3283 				goto done;
3284 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3285 			if (kerr != KCGI_OK)
3286 				goto done;
3287 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3288 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3289 			if (kerr != KCGI_OK)
3290 				goto done;
3291 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3292 			if (error)
3293 				goto done;
3294 			kerr = khtml_puts(gw_trans->gw_html_req,
3295 			    age ? age : "");
3296 			if (kerr != KCGI_OK)
3297 				goto done;
3298 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3299 			if (kerr != KCGI_OK)
3300 				goto done;
3301 
3302 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3303 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3304 			if (kerr != KCGI_OK)
3305 				goto done;
3306 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3307 			if (kerr != KCGI_OK)
3308 				goto done;
3309 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3310 			if (kerr != KCGI_OK)
3311 				goto done;
3312 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3313 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3314 			if (kerr != KCGI_OK)
3315 				goto done;
3316 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3317 			if (kerr != KCGI_OK)
3318 				goto done;
3319 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3320 			if (kerr != KCGI_OK)
3321 				goto done;
3322 
3323 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3324 			    KATTR_ID, "tag_info", KATTR__MAX);
3325 			if (kerr != KCGI_OK)
3326 				goto done;
3327 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3328 			if (kerr != KCGI_OK)
3329 				goto done;
3330 			break;
3331 		default:
3332 			break;
3333 		}
3334 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3335 		if (kerr != KCGI_OK)
3336 			goto done;
3337 
3338 		if (limit && --limit == 0)
3339 			chk_next = 1;
3340 
3341 		if (tag)
3342 			got_object_tag_close(tag);
3343 		tag = NULL;
3344 		free(id_str);
3345 		id_str = NULL;
3346 		free(age);
3347 		age = NULL;
3348 		free(tag_commit0);
3349 		tag_commit0 = NULL;
3350 		free(href_tag);
3351 		href_tag = NULL;
3352 		free(href_briefs);
3353 		href_briefs = NULL;
3354 		free(href_commits);
3355 		href_commits = NULL;
3356 	}
3357 	if (tag_count == 0) {
3358 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3359 		    "summary_tags_title_wrapper", KATTR__MAX);
3360 		if (kerr != KCGI_OK)
3361 			goto done;
3362 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3363 		    "summary_tags_title", KATTR__MAX);
3364 		if (kerr != KCGI_OK)
3365 			goto done;
3366 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3367 		if (kerr != KCGI_OK)
3368 			goto done;
3369 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3370 		if (kerr != KCGI_OK)
3371 			goto done;
3372 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3373 		    "summary_tags_content", KATTR__MAX);
3374 		if (kerr != KCGI_OK)
3375 			goto done;
3376 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3377 		    "tags_info", KATTR__MAX);
3378 		if (kerr != KCGI_OK)
3379 			goto done;
3380 		kerr = khttp_puts(gw_trans->gw_req,
3381 		    "There are no tags for this repo.");
3382 		if (kerr != KCGI_OK)
3383 			goto done;
3384 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3385 		goto done;
3386 	}
3387 prev:
3388 	commit_found = 0;
3389 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3390 		const char *refname;
3391 		struct got_object_id *id;
3392 		struct got_commit_object *commit = NULL;
3393 
3394 		refname = got_ref_get_name(re->ref);
3395 		if (strncmp(refname, "refs/tags/", 10) != 0)
3396 			continue;
3397 		refname += 10;
3398 
3399 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3400 		if (error)
3401 			goto done;
3402 
3403 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3404 		if (error) {
3405 			if (error->code != GOT_ERR_OBJ_TYPE) {
3406 				free(id);
3407 				goto done;
3408 			}
3409 			/* "lightweight" tag */
3410 			error = got_object_open_as_commit(&commit,
3411 			    gw_trans->repo, id);
3412 			if (error) {
3413 				free(id);
3414 				goto done;
3415 			}
3416 			error = got_object_id_str(&id_str, id);
3417 			free(id);
3418 		} else {
3419 			free(id);
3420 			error = got_object_id_str(&id_str,
3421 			    got_object_tag_get_object_id(tag));
3422 		}
3423 		if (error)
3424 			goto done;
3425 
3426 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3427 		    strlen(id_str)) != 0)
3428 			continue;
3429 
3430 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3431 		    gw_trans->commit_id  != NULL &&
3432 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3433 			continue;
3434 		else
3435 			commit_found = 1;
3436 
3437 		if (gw_trans->commit_id != NULL &&
3438 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3439 		    (re == TAILQ_FIRST(&refs) ||
3440 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3441 			gw_trans->prev_id = strdup(id_str);
3442 			if (gw_trans->prev_id == NULL) {
3443 				error = got_error_from_errno("strdup");
3444 				goto done;
3445 			}
3446 			break;
3447 		}
3448 		c_cnt++;
3449 	}
3450 done:
3451 	if (tag)
3452 		got_object_tag_close(tag);
3453 	free(id_str);
3454 	free(age);
3455 	free(tag_commit0);
3456 	free(href_tag);
3457 	free(href_briefs);
3458 	free(href_commits);
3459 	got_ref_list_free(&refs);
3460 	if (error == NULL && kerr != KCGI_OK)
3461 		error = gw_kcgi_error(kerr);
3462 	return error;
3463 }
3464 
3465 static void
3466 gw_free_header(struct gw_header *header)
3467 {
3468 	free(header->path);
3469 	free(header->author);
3470 	free(header->committer);
3471 	free(header->refs_str);
3472 	free(header->commit_id);
3473 	free(header->parent_id);
3474 	free(header->tree_id);
3475 	free(header->commit_msg);
3476 }
3477 
3478 static struct gw_header *
3479 gw_init_header()
3480 {
3481 	struct gw_header *header;
3482 
3483 	header = malloc(sizeof(*header));
3484 	if (header == NULL)
3485 		return NULL;
3486 
3487 	header->path = NULL;
3488 	TAILQ_INIT(&header->refs);
3489 
3490 	header->refs_str = NULL;
3491 	header->commit_id = NULL;
3492 	header->committer = NULL;
3493 	header->author = NULL;
3494 	header->parent_id = NULL;
3495 	header->tree_id = NULL;
3496 	header->commit_msg = NULL;
3497 
3498 	return header;
3499 }
3500 
3501 static const struct got_error *
3502 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3503     int limit, struct got_object_id *id)
3504 {
3505 	const struct got_error *error = NULL;
3506 	struct got_commit_graph *graph = NULL;
3507 	struct got_commit_object *commit = NULL;
3508 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3509 	struct gw_header *t_header = NULL;
3510 
3511 	error = got_commit_graph_open(&graph, header->path, 0);
3512 	if (error)
3513 		return error;
3514 
3515 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3516 	    NULL);
3517 	if (error)
3518 		goto err;
3519 
3520 	for (;;) {
3521 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3522 		    NULL, NULL);
3523 		if (error) {
3524 			if (error->code == GOT_ERR_ITER_COMPLETED)
3525 				error = NULL;
3526 			goto done;
3527 		}
3528 		if (id == NULL)
3529 			goto err;
3530 
3531 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3532 		if (error)
3533 			goto err;
3534 		if (limit == 1 && chk_multi == 0 &&
3535 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3536 			error = gw_get_commit(gw_trans, header, commit, id);
3537 			if (error)
3538 				goto err;
3539 			commit_found = 1;
3540 		} else {
3541 			chk_multi = 1;
3542 			struct gw_header *n_header = NULL;
3543 			if ((n_header = gw_init_header()) == NULL) {
3544 				error = got_error_from_errno("malloc");
3545 				goto err;
3546 			}
3547 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3548 			    entry);
3549 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3550 			    NULL, got_ref_cmp_by_name, NULL);
3551 			if (error)
3552 				goto err;
3553 
3554 			error = gw_get_commit(gw_trans, n_header, commit, id);
3555 			if (error)
3556 				goto err;
3557 			got_ref_list_free(&n_header->refs);
3558 
3559 			if (gw_trans->commit_id != NULL) {
3560 				if (strcmp(gw_trans->commit_id,
3561 				    n_header->commit_id) == 0)
3562 					commit_found = 1;
3563 			} else
3564 				commit_found = 1;
3565 
3566 			/*
3567 			 * check for one more commit before breaking,
3568 			 * so we know whether to navigate through gw_briefs
3569 			 * gw_commits and gw_summary
3570 			 */
3571 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3572 			    gw_trans->action == GW_COMMITS ||
3573 			    gw_trans->action == GW_SUMMARY)) {
3574 				gw_trans->next_id = strdup(n_header->commit_id);
3575 				if (gw_trans->next_id == NULL)
3576 					error = got_error_from_errno("strdup");
3577 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3578 				    entry);
3579 				goto done;
3580 			}
3581 
3582 		}
3583 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3584 			if (chk_multi == 0)
3585 				break;
3586 			chk_next = 1;
3587 		}
3588 	}
3589 done:
3590 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3591 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS)) {
3592 		commit_found = 0;
3593 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3594 		    headers, entry) {
3595 			if (commit_found == 0 &&
3596 			    strcmp(gw_trans->commit_id,
3597 			    t_header->commit_id) != 0)
3598 				continue;
3599 			else
3600 				commit_found = 1;
3601 			if (gw_trans->commit_id != NULL &&
3602 			    strcmp(gw_trans->commit_id,
3603 			    t_header->commit_id) != 0 &&
3604 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3605 			    || t_header ==
3606 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3607 				gw_trans->prev_id = strdup(t_header->commit_id);
3608 				if (gw_trans->prev_id == NULL)
3609 					error = got_error_from_errno("strdup");
3610 				break;
3611 			}
3612 			c_cnt++;
3613 		}
3614 	}
3615 err:
3616 	if (commit != NULL)
3617 		got_object_commit_close(commit);
3618 	if (graph)
3619 		got_commit_graph_close(graph);
3620 	return error;
3621 }
3622 
3623 static const struct got_error *
3624 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3625     struct got_commit_object *commit, struct got_object_id *id)
3626 {
3627 	const struct got_error *error = NULL;
3628 	struct got_reflist_entry *re;
3629 	struct got_object_id *id2 = NULL;
3630 	struct got_object_qid *parent_id;
3631 	char *commit_msg = NULL, *commit_msg0;
3632 
3633 	/*print commit*/
3634 	TAILQ_FOREACH(re, &header->refs, entry) {
3635 		char *s;
3636 		const char *name;
3637 		struct got_tag_object *tag = NULL;
3638 		struct got_object_id *ref_id;
3639 		int cmp;
3640 
3641 		if (got_ref_is_symbolic(re->ref))
3642 			continue;
3643 
3644 		name = got_ref_get_name(re->ref);
3645 		if (strncmp(name, "refs/", 5) == 0)
3646 			name += 5;
3647 		if (strncmp(name, "got/", 4) == 0)
3648 			continue;
3649 		if (strncmp(name, "heads/", 6) == 0)
3650 			name += 6;
3651 		if (strncmp(name, "remotes/", 8) == 0) {
3652 			name += 8;
3653 			s = strstr(name, "/" GOT_REF_HEAD);
3654 			if (s != NULL && s[strlen(s)] == '\0')
3655 				continue;
3656 		}
3657 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3658 		if (error)
3659 			return error;
3660 		if (strncmp(name, "tags/", 5) == 0) {
3661 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3662 			    ref_id);
3663 			if (error) {
3664 				if (error->code != GOT_ERR_OBJ_TYPE) {
3665 					free(ref_id);
3666 					continue;
3667 				}
3668 				/*
3669 				 * Ref points at something other
3670 				 * than a tag.
3671 				 */
3672 				error = NULL;
3673 				tag = NULL;
3674 			}
3675 		}
3676 		cmp = got_object_id_cmp(tag ?
3677 		    got_object_tag_get_object_id(tag) : ref_id, id);
3678 		free(ref_id);
3679 		if (tag)
3680 			got_object_tag_close(tag);
3681 		if (cmp != 0)
3682 			continue;
3683 		s = header->refs_str;
3684 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3685 		    s ? ", " : "", name) == -1) {
3686 			error = got_error_from_errno("asprintf");
3687 			free(s);
3688 			header->refs_str = NULL;
3689 			return error;
3690 		}
3691 		free(s);
3692 	}
3693 
3694 	error = got_object_id_str(&header->commit_id, id);
3695 	if (error)
3696 		return error;
3697 
3698 	error = got_object_id_str(&header->tree_id,
3699 	    got_object_commit_get_tree_id(commit));
3700 	if (error)
3701 		return error;
3702 
3703 	if (gw_trans->action == GW_DIFF) {
3704 		parent_id = STAILQ_FIRST(
3705 		    got_object_commit_get_parent_ids(commit));
3706 		if (parent_id != NULL) {
3707 			id2 = got_object_id_dup(&parent_id->id);
3708 			free (parent_id);
3709 			error = got_object_id_str(&header->parent_id, id2);
3710 			if (error)
3711 				return error;
3712 			free(id2);
3713 		} else {
3714 			header->parent_id = strdup("/dev/null");
3715 			if (header->parent_id == NULL) {
3716 				error = got_error_from_errno("strdup");
3717 				return error;
3718 			}
3719 		}
3720 	}
3721 
3722 	header->committer_time =
3723 	    got_object_commit_get_committer_time(commit);
3724 
3725 	header->author =
3726 	    strdup(got_object_commit_get_author(commit));
3727 	if (header->author == NULL) {
3728 		error = got_error_from_errno("strdup");
3729 		return error;
3730 	}
3731 	header->committer =
3732 	    strdup(got_object_commit_get_committer(commit));
3733 	if (header->committer == NULL) {
3734 		error = got_error_from_errno("strdup");
3735 		return error;
3736 	}
3737 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3738 	if (error)
3739 		return error;
3740 
3741 	commit_msg = commit_msg0;
3742 	while (*commit_msg == '\n')
3743 		commit_msg++;
3744 
3745 	header->commit_msg = strdup(commit_msg);
3746 	if (header->commit_msg == NULL)
3747 		error = got_error_from_errno("strdup");
3748 	free(commit_msg0);
3749 	return error;
3750 }
3751 
3752 static const struct got_error *
3753 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3754 {
3755 	const struct got_error *error = NULL;
3756 	char *in_repo_path = NULL;
3757 	struct got_object_id *id = NULL;
3758 	struct got_reference *ref;
3759 
3760 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3761 	if (error)
3762 		return error;
3763 
3764 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3765 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3766 	    gw_trans->action == GW_TAGS) {
3767 		error = got_ref_open(&ref, gw_trans->repo,
3768 		    gw_trans->headref, 0);
3769 		if (error)
3770 			return error;
3771 
3772 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3773 		got_ref_close(ref);
3774 		if (error)
3775 			return error;
3776 	} else {
3777 		error = got_ref_open(&ref, gw_trans->repo,
3778 		    gw_trans->commit_id, 0);
3779 		if (error == NULL) {
3780 			int obj_type;
3781 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3782 			got_ref_close(ref);
3783 			if (error)
3784 				return error;
3785 			error = got_object_get_type(&obj_type, gw_trans->repo,
3786 			    id);
3787 			if (error)
3788 				goto done;
3789 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3790 				struct got_tag_object *tag;
3791 				error = got_object_open_as_tag(&tag,
3792 				    gw_trans->repo, id);
3793 				if (error)
3794 					goto done;
3795 				if (got_object_tag_get_object_type(tag) !=
3796 				    GOT_OBJ_TYPE_COMMIT) {
3797 					got_object_tag_close(tag);
3798 					error = got_error(GOT_ERR_OBJ_TYPE);
3799 					goto done;
3800 				}
3801 				free(id);
3802 				id = got_object_id_dup(
3803 				    got_object_tag_get_object_id(tag));
3804 				if (id == NULL)
3805 					error = got_error_from_errno(
3806 					    "got_object_id_dup");
3807 				got_object_tag_close(tag);
3808 				if (error)
3809 					goto done;
3810 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3811 				error = got_error(GOT_ERR_OBJ_TYPE);
3812 				goto done;
3813 			}
3814 		}
3815 		error = got_repo_match_object_id_prefix(&id,
3816 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3817 			    gw_trans->repo);
3818 		if (error)
3819 			goto done;
3820 	}
3821 
3822 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3823 	    gw_trans->repo_path);
3824 	if (error)
3825 		goto done;
3826 
3827 	if (in_repo_path) {
3828 		header->path = strdup(in_repo_path);
3829 		if (header->path == NULL) {
3830 			error = got_error_from_errno("strdup");
3831 			goto done;
3832 		}
3833 	}
3834 
3835 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3836 	    got_ref_cmp_by_name, NULL);
3837 	if (error)
3838 		goto done;
3839 
3840 	error = gw_get_commits(gw_trans, header, limit, id);
3841 done:
3842 	got_ref_list_free(&header->refs);
3843 	free(id);
3844 	free(in_repo_path);
3845 	return error;
3846 }
3847 
3848 struct blame_line {
3849 	int annotated;
3850 	char *id_str;
3851 	char *committer;
3852 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3853 };
3854 
3855 struct gw_blame_cb_args {
3856 	struct blame_line *lines;
3857 	int nlines;
3858 	int nlines_prec;
3859 	int lineno_cur;
3860 	off_t *line_offsets;
3861 	FILE *f;
3862 	struct got_repository *repo;
3863 	struct gw_trans *gw_trans;
3864 };
3865 
3866 static const struct got_error *
3867 gw_blame_cb(void *arg, int nlines, int lineno,
3868     struct got_commit_object *commit, struct got_object_id *id)
3869 {
3870 	const struct got_error *err = NULL;
3871 	struct gw_blame_cb_args *a = arg;
3872 	struct blame_line *bline;
3873 	char *line = NULL;
3874 	size_t linesize = 0;
3875 	off_t offset;
3876 	struct tm tm;
3877 	time_t committer_time;
3878 	enum kcgi_err kerr = KCGI_OK;
3879 
3880 	if (nlines != a->nlines ||
3881 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3882 		return got_error(GOT_ERR_RANGE);
3883 
3884 	if (lineno == -1)
3885 		return NULL; /* no change in this commit */
3886 
3887 	/* Annotate this line. */
3888 	bline = &a->lines[lineno - 1];
3889 	if (bline->annotated)
3890 		return NULL;
3891 	err = got_object_id_str(&bline->id_str, id);
3892 	if (err)
3893 		return err;
3894 
3895 	bline->committer = strdup(got_object_commit_get_committer(commit));
3896 	if (bline->committer == NULL) {
3897 		err = got_error_from_errno("strdup");
3898 		goto done;
3899 	}
3900 
3901 	committer_time = got_object_commit_get_committer_time(commit);
3902 	if (gmtime_r(&committer_time, &tm) == NULL)
3903 		return got_error_from_errno("gmtime_r");
3904 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3905 	    &tm) == 0) {
3906 		err = got_error(GOT_ERR_NO_SPACE);
3907 		goto done;
3908 	}
3909 	bline->annotated = 1;
3910 
3911 	/* Print lines annotated so far. */
3912 	bline = &a->lines[a->lineno_cur - 1];
3913 	if (!bline->annotated)
3914 		goto done;
3915 
3916 	offset = a->line_offsets[a->lineno_cur - 1];
3917 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3918 		err = got_error_from_errno("fseeko");
3919 		goto done;
3920 	}
3921 
3922 	while (bline->annotated) {
3923 		char *smallerthan, *at, *nl, *committer;
3924 		char *href_diff = NULL;
3925 		size_t len;
3926 
3927 		if (getline(&line, &linesize, a->f) == -1) {
3928 			if (ferror(a->f))
3929 				err = got_error_from_errno("getline");
3930 			break;
3931 		}
3932 
3933 		committer = bline->committer;
3934 		smallerthan = strchr(committer, '<');
3935 		if (smallerthan && smallerthan[1] != '\0')
3936 			committer = smallerthan + 1;
3937 		at = strchr(committer, '@');
3938 		if (at)
3939 			*at = '\0';
3940 		len = strlen(committer);
3941 		if (len >= 9)
3942 			committer[8] = '\0';
3943 
3944 		nl = strchr(line, '\n');
3945 		if (nl)
3946 			*nl = '\0';
3947 
3948 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3949 		    "blame_wrapper", KATTR__MAX);
3950 		if (kerr != KCGI_OK)
3951 			goto err;
3952 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3953 		    "blame_number", KATTR__MAX);
3954 		if (kerr != KCGI_OK)
3955 			goto err;
3956 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3957 		    a->nlines_prec, a->lineno_cur);
3958 		if (kerr != KCGI_OK)
3959 			goto err;
3960 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3961 		if (kerr != KCGI_OK)
3962 			goto err;
3963 
3964 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3965 		    "blame_hash", KATTR__MAX);
3966 		if (kerr != KCGI_OK)
3967 			goto err;
3968 
3969 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3970 		    a->gw_trans->repo_name, "action", "diff", "commit",
3971 		    bline->id_str, NULL);
3972 		if (href_diff == NULL) {
3973 			err = got_error_from_errno("khttp_urlpart");
3974 			goto done;
3975 		}
3976 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3977 		    KATTR_HREF, href_diff, KATTR__MAX);
3978 		if (kerr != KCGI_OK)
3979 			goto done;
3980 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3981 		    bline->id_str);
3982 		if (kerr != KCGI_OK)
3983 			goto err;
3984 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3985 		if (kerr != KCGI_OK)
3986 			goto err;
3987 
3988 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3989 		    "blame_date", KATTR__MAX);
3990 		if (kerr != KCGI_OK)
3991 			goto err;
3992 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3993 		if (kerr != KCGI_OK)
3994 			goto err;
3995 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3996 		if (kerr != KCGI_OK)
3997 			goto err;
3998 
3999 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4000 		    "blame_author", KATTR__MAX);
4001 		if (kerr != KCGI_OK)
4002 			goto err;
4003 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
4004 		if (kerr != KCGI_OK)
4005 			goto err;
4006 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4007 		if (kerr != KCGI_OK)
4008 			goto err;
4009 
4010 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4011 		    "blame_code", KATTR__MAX);
4012 		if (kerr != KCGI_OK)
4013 			goto err;
4014 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
4015 		if (kerr != KCGI_OK)
4016 			goto err;
4017 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4018 		if (kerr != KCGI_OK)
4019 			goto err;
4020 
4021 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4022 		if (kerr != KCGI_OK)
4023 			goto err;
4024 
4025 		a->lineno_cur++;
4026 		bline = &a->lines[a->lineno_cur - 1];
4027 err:
4028 		free(href_diff);
4029 	}
4030 done:
4031 	free(line);
4032 	if (err == NULL && kerr != KCGI_OK)
4033 		err = gw_kcgi_error(kerr);
4034 	return err;
4035 }
4036 
4037 static const struct got_error *
4038 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4039 {
4040 	const struct got_error *error = NULL;
4041 	struct got_object_id *obj_id = NULL;
4042 	struct got_object_id *commit_id = NULL;
4043 	struct got_commit_object *commit = NULL;
4044 	struct got_blob_object *blob = NULL;
4045 	char *path = NULL, *in_repo_path = NULL;
4046 	struct gw_blame_cb_args bca;
4047 	int i, obj_type;
4048 	off_t filesize;
4049 
4050 	memset(&bca, 0, sizeof(bca));
4051 
4052 	if (asprintf(&path, "%s%s%s",
4053 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4054 	    gw_trans->repo_folder ? "/" : "",
4055 	    gw_trans->repo_file) == -1) {
4056 		error = got_error_from_errno("asprintf");
4057 		goto done;
4058 	}
4059 
4060 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4061 	if (error)
4062 		goto done;
4063 
4064 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4065 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4066 	if (error)
4067 		goto done;
4068 
4069 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4070 	if (error)
4071 		goto done;
4072 
4073 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4074 	    in_repo_path);
4075 	if (error)
4076 		goto done;
4077 
4078 	if (obj_id == NULL) {
4079 		error = got_error(GOT_ERR_NO_OBJ);
4080 		goto done;
4081 	}
4082 
4083 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4084 	if (error)
4085 		goto done;
4086 
4087 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4088 		error = got_error(GOT_ERR_OBJ_TYPE);
4089 		goto done;
4090 	}
4091 
4092 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4093 	if (error)
4094 		goto done;
4095 
4096 	bca.f = got_opentemp();
4097 	if (bca.f == NULL) {
4098 		error = got_error_from_errno("got_opentemp");
4099 		goto done;
4100 	}
4101 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4102 	    &bca.line_offsets, bca.f, blob);
4103 	if (error || bca.nlines == 0)
4104 		goto done;
4105 
4106 	/* Don't include \n at EOF in the blame line count. */
4107 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4108 		bca.nlines--;
4109 
4110 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4111 	if (bca.lines == NULL) {
4112 		error = got_error_from_errno("calloc");
4113 		goto done;
4114 	}
4115 	bca.lineno_cur = 1;
4116 	bca.nlines_prec = 0;
4117 	i = bca.nlines;
4118 	while (i > 0) {
4119 		i /= 10;
4120 		bca.nlines_prec++;
4121 	}
4122 	bca.repo = gw_trans->repo;
4123 	bca.gw_trans = gw_trans;
4124 
4125 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
4126 	    &bca, NULL, NULL);
4127 done:
4128 	free(in_repo_path);
4129 	free(commit_id);
4130 	free(obj_id);
4131 	free(path);
4132 
4133 	if (blob) {
4134 		free(bca.line_offsets);
4135 		for (i = 0; i < bca.nlines; i++) {
4136 			struct blame_line *bline = &bca.lines[i];
4137 			free(bline->id_str);
4138 			free(bline->committer);
4139 		}
4140 		free(bca.lines);
4141 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4142 			error = got_error_from_errno("fclose");
4143 	}
4144 	if (blob)
4145 		got_object_blob_close(blob);
4146 	if (commit)
4147 		got_object_commit_close(commit);
4148 	return error;
4149 }
4150 
4151 static const struct got_error *
4152 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4153 {
4154 	const struct got_error *error = NULL;
4155 	struct got_object_id *obj_id = NULL;
4156 	struct got_object_id *commit_id = NULL;
4157 	struct got_commit_object *commit = NULL;
4158 	struct got_blob_object *blob = NULL;
4159 	char *path = NULL, *in_repo_path = NULL;
4160 	int obj_type, set_mime = 0;
4161 	size_t len, hdrlen;
4162 	const uint8_t *buf;
4163 	enum kcgi_err kerr = KCGI_OK;
4164 
4165 	if (asprintf(&path, "%s%s%s",
4166 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4167 	    gw_trans->repo_folder ? "/" : "",
4168 	    gw_trans->repo_file) == -1) {
4169 		error = got_error_from_errno("asprintf");
4170 		goto done;
4171 	}
4172 
4173 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4174 	if (error)
4175 		goto done;
4176 
4177 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4178 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4179 	if (error)
4180 		goto done;
4181 
4182 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4183 	if (error)
4184 		goto done;
4185 
4186 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4187 	    in_repo_path);
4188 	if (error)
4189 		goto done;
4190 
4191 	if (obj_id == NULL) {
4192 		error = got_error(GOT_ERR_NO_OBJ);
4193 		goto done;
4194 	}
4195 
4196 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4197 	if (error)
4198 		goto done;
4199 
4200 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4201 		error = got_error(GOT_ERR_OBJ_TYPE);
4202 		goto done;
4203 	}
4204 
4205 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4206 	if (error)
4207 		goto done;
4208 
4209 	hdrlen = got_object_blob_get_hdrlen(blob);
4210 	do {
4211 		error = got_object_blob_read_block(&len, blob);
4212 		if (error)
4213 			goto done;
4214 		buf = got_object_blob_get_read_buf(blob);
4215 
4216 		/*
4217 		 * Skip blob object header first time around,
4218 		 * which also contains a zero byte.
4219 		 */
4220 		buf += hdrlen;
4221 		if (set_mime == 0) {
4222 			if (isbinary(buf, len - hdrlen))
4223 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4224 			else
4225 				gw_trans->mime = KMIME_TEXT_PLAIN;
4226 			set_mime = 1;
4227 			error = gw_display_index(gw_trans);
4228 			if (error)
4229 				goto done;
4230 		}
4231 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4232 		if (kerr != KCGI_OK)
4233 			goto done;
4234 		hdrlen = 0;
4235 	} while (len != 0);
4236 done:
4237 	free(in_repo_path);
4238 	free(commit_id);
4239 	free(obj_id);
4240 	free(path);
4241 	if (blob)
4242 		got_object_blob_close(blob);
4243 	if (commit)
4244 		got_object_commit_close(commit);
4245 	if (error == NULL && kerr != KCGI_OK)
4246 		error = gw_kcgi_error(kerr);
4247 	return error;
4248 }
4249 
4250 static const struct got_error *
4251 gw_output_repo_tree(struct gw_trans *gw_trans, struct gw_header *header)
4252 {
4253 	const struct got_error *error = NULL;
4254 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4255 	struct got_tree_object *tree = NULL;
4256 	struct got_commit_object *commit = NULL;
4257 	char *path = NULL, *in_repo_path = NULL;
4258 	char *id_str = NULL;
4259 	char *build_folder = NULL;
4260 	char *href_blob = NULL, *href_blame = NULL;
4261 	const char *class = NULL;
4262 	int nentries, i, class_flip = 0;
4263 	enum kcgi_err kerr = KCGI_OK;
4264 
4265 	if (gw_trans->repo_folder != NULL) {
4266 		path = strdup(gw_trans->repo_folder);
4267 		if (path == NULL) {
4268 			error = got_error_from_errno("strdup");
4269 			goto done;
4270 		}
4271 	} else {
4272 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4273 		    gw_trans->repo_path);
4274 		if (error)
4275 			goto done;
4276 		free(path);
4277 		path = in_repo_path;
4278 	}
4279 
4280 	if (gw_trans->commit_id == NULL) {
4281 		struct got_reference *head_ref;
4282 		error = got_ref_open(&head_ref, gw_trans->repo,
4283 		    gw_trans->headref, 0);
4284 		if (error)
4285 			goto done;
4286 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4287 		if (error)
4288 			goto done;
4289 		got_ref_close(head_ref);
4290 		/*
4291 		 * gw_trans->commit_id was not parsed from the querystring
4292 		 * we hit this code path from gw_index, where we don't know the
4293 		 * commit values for the tree link yet, so set
4294 		 * gw_trans->commit_id here to continue further into the tree
4295 		 */
4296 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4297 		if (error)
4298 			goto done;
4299 
4300 	} else {
4301 		error = got_repo_match_object_id(&commit_id, NULL,
4302 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4303 		    gw_trans->repo);
4304 		if (error)
4305 			goto done;
4306 	}
4307 
4308 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4309 	if (error)
4310 		goto done;
4311 
4312 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit,
4313 	    path);
4314 	if (error)
4315 		goto done;
4316 
4317 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4318 	if (error)
4319 		goto done;
4320 
4321 	nentries = got_object_tree_get_nentries(tree);
4322 	for (i = 0; i < nentries; i++) {
4323 		struct got_tree_entry *te;
4324 		const char *modestr = "";
4325 		mode_t mode;
4326 
4327 		te = got_object_tree_get_entry(tree, i);
4328 
4329 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4330 		if (error)
4331 			goto done;
4332 
4333 		mode = got_tree_entry_get_mode(te);
4334 		if (got_object_tree_entry_is_submodule(te))
4335 			modestr = "$";
4336 		else if (S_ISLNK(mode))
4337 			modestr = "@";
4338 		else if (S_ISDIR(mode))
4339 			modestr = "/";
4340 		else if (mode & S_IXUSR)
4341 			modestr = "*";
4342 
4343 		if (class_flip == 0) {
4344 			class = "back_lightgray";
4345 			class_flip = 1;
4346 		} else {
4347 			class = "back_white";
4348 			class_flip = 0;
4349 		}
4350 
4351 		if (S_ISDIR(mode)) {
4352 			if (asprintf(&build_folder, "%s/%s",
4353 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4354 			    got_tree_entry_get_name(te)) == -1) {
4355 				error = got_error_from_errno("asprintf");
4356 				goto done;
4357 			}
4358 
4359 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4360 			    gw_trans->repo_name, "action",
4361 			    gw_get_action_name(gw_trans), "commit",
4362 			    gw_trans->commit_id, "folder", build_folder, NULL);
4363 			if (href_blob == NULL) {
4364 				error = got_error_from_errno("khttp_urlpart");
4365 				goto done;
4366 			}
4367 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4368 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4369 			if (kerr != KCGI_OK)
4370 				goto done;
4371 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4372 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4373 			    KATTR__MAX);
4374 			if (kerr != KCGI_OK)
4375 				goto done;
4376 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4377 			    KATTR_HREF, href_blob, KATTR_CLASS,
4378 			    "diff_directory", KATTR__MAX);
4379 			if (kerr != KCGI_OK)
4380 				goto done;
4381 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4382 			    got_tree_entry_get_name(te), modestr);
4383 			if (kerr != KCGI_OK)
4384 				goto done;
4385 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4386 			if (kerr != KCGI_OK)
4387 				goto done;
4388 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4389 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4390 			    KATTR__MAX);
4391 			if (kerr != KCGI_OK)
4392 				goto done;
4393 			kerr = khtml_entity(gw_trans->gw_html_req,
4394 			    KENTITY_nbsp);
4395 			if (kerr != KCGI_OK)
4396 				goto done;
4397 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4398 			if (kerr != KCGI_OK)
4399 				goto done;
4400 		} else {
4401 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4402 			    gw_trans->repo_name, "action", "blob", "commit",
4403 			    gw_trans->commit_id, "file",
4404 			    got_tree_entry_get_name(te), "folder",
4405 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4406 			    NULL);
4407 			if (href_blob == NULL) {
4408 				error = got_error_from_errno("khttp_urlpart");
4409 				goto done;
4410 			}
4411 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4412 			    gw_trans->repo_name, "action", "blame", "commit",
4413 			    gw_trans->commit_id, "file",
4414 			    got_tree_entry_get_name(te), "folder", 
4415 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4416 			    NULL);
4417 			if (href_blame == NULL) {
4418 				error = got_error_from_errno("khttp_urlpart");
4419 				goto done;
4420 			}
4421 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4422 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4423 			if (kerr != KCGI_OK)
4424 				goto done;
4425 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4426 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4427 			    KATTR__MAX);
4428 			if (kerr != KCGI_OK)
4429 				goto done;
4430 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4431 			    KATTR_HREF, href_blob, KATTR__MAX);
4432 			if (kerr != KCGI_OK)
4433 				goto done;
4434 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4435 			    got_tree_entry_get_name(te), modestr);
4436 			if (kerr != KCGI_OK)
4437 				goto done;
4438 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4439 			if (kerr != KCGI_OK)
4440 				goto done;
4441 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4442 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4443 			    KATTR__MAX);
4444 			if (kerr != KCGI_OK)
4445 				goto done;
4446 
4447 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4448 			    KATTR_HREF, href_blob, KATTR__MAX);
4449 			if (kerr != KCGI_OK)
4450 				goto done;
4451 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4452 			if (kerr != KCGI_OK)
4453 				goto done;
4454 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4455 			if (kerr != KCGI_OK)
4456 				goto done;
4457 
4458 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4459 			if (kerr != KCGI_OK)
4460 				goto done;
4461 
4462 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4463 			    KATTR_HREF, href_blame, KATTR__MAX);
4464 			if (kerr != KCGI_OK)
4465 				goto done;
4466 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4467 			if (kerr != KCGI_OK)
4468 				goto done;
4469 
4470 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4471 			if (kerr != KCGI_OK)
4472 				goto done;
4473 		}
4474 		free(id_str);
4475 		id_str = NULL;
4476 		free(href_blob);
4477 		href_blob = NULL;
4478 		free(build_folder);
4479 		build_folder = NULL;
4480 	}
4481 done:
4482 	if (tree)
4483 		got_object_tree_close(tree);
4484 	if (commit)
4485 		got_object_commit_close(commit);
4486 	free(id_str);
4487 	free(href_blob);
4488 	free(href_blame);
4489 	free(in_repo_path);
4490 	free(tree_id);
4491 	free(build_folder);
4492 	if (error == NULL && kerr != KCGI_OK)
4493 		error = gw_kcgi_error(kerr);
4494 	return error;
4495 }
4496 
4497 static const struct got_error *
4498 gw_output_repo_heads(struct gw_trans *gw_trans)
4499 {
4500 	const struct got_error *error = NULL;
4501 	struct got_reflist_head refs;
4502 	struct got_reflist_entry *re;
4503 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4504 	char *href_commits = NULL;
4505 	enum kcgi_err kerr = KCGI_OK;
4506 
4507 	TAILQ_INIT(&refs);
4508 
4509 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4510 	    got_ref_cmp_by_name, NULL);
4511 	if (error)
4512 		goto done;
4513 
4514 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4515 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4516 	if (kerr != KCGI_OK)
4517 		goto done;
4518 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4519 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4520 	if (kerr != KCGI_OK)
4521 		goto done;
4522 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4523 	if (kerr != KCGI_OK)
4524 		goto done;
4525 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4526 	if (kerr != KCGI_OK)
4527 		goto done;
4528 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4529 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4530 	if (kerr != KCGI_OK)
4531 		goto done;
4532 
4533 	TAILQ_FOREACH(re, &refs, entry) {
4534 		const char *refname;
4535 
4536 		if (got_ref_is_symbolic(re->ref))
4537 			continue;
4538 
4539 		refname = got_ref_get_name(re->ref);
4540 		if (strncmp(refname, "refs/heads/", 11) != 0)
4541 			continue;
4542 
4543 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4544 		    refname, TM_DIFF);
4545 		if (error)
4546 			goto done;
4547 
4548 		if (strncmp(refname, "refs/heads/", 11) == 0)
4549 			refname += 11;
4550 
4551 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4552 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4553 		if (kerr != KCGI_OK)
4554 			goto done;
4555 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4556 		    KATTR_ID, "heads_age", KATTR__MAX);
4557 		if (kerr != KCGI_OK)
4558 			goto done;
4559 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4560 		if (kerr != KCGI_OK)
4561 			goto done;
4562 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4563 		if (kerr != KCGI_OK)
4564 			goto done;
4565 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4566 		    KATTR_ID, "heads_space", KATTR__MAX);
4567 		if (kerr != KCGI_OK)
4568 			goto done;
4569 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4570 		if (kerr != KCGI_OK)
4571 			goto done;
4572 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4573 		if (kerr != KCGI_OK)
4574 			goto done;
4575 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4576 		    KATTR_ID, "head", KATTR__MAX);
4577 		if (kerr != KCGI_OK)
4578 			goto done;
4579 
4580 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4581 		    gw_trans->repo_name, "action", "summary", "headref",
4582 		    refname, NULL);
4583 		if (href_summary == NULL) {
4584 			error = got_error_from_errno("khttp_urlpart");
4585 			goto done;
4586 		}
4587 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4588 		    href_summary, KATTR__MAX);
4589 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4590 		if (kerr != KCGI_OK)
4591 			goto done;
4592 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4593 		if (kerr != KCGI_OK)
4594 			goto done;
4595 
4596 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4597 		    "navs_wrapper", KATTR__MAX);
4598 		if (kerr != KCGI_OK)
4599 			goto done;
4600 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4601 		    "navs", KATTR__MAX);
4602 		if (kerr != KCGI_OK)
4603 			goto done;
4604 
4605 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4606 		    href_summary, KATTR__MAX);
4607 		if (kerr != KCGI_OK)
4608 			goto done;
4609 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4610 		if (kerr != KCGI_OK)
4611 			goto done;
4612 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4613 		if (kerr != KCGI_OK)
4614 			goto done;
4615 
4616 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4617 		if (kerr != KCGI_OK)
4618 			goto done;
4619 
4620 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4621 		    gw_trans->repo_name, "action", "briefs", "headref",
4622 		    refname, NULL);
4623 		if (href_briefs == NULL) {
4624 			error = got_error_from_errno("khttp_urlpart");
4625 			goto done;
4626 		}
4627 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4628 		    href_briefs, KATTR__MAX);
4629 		if (kerr != KCGI_OK)
4630 			goto done;
4631 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4632 		if (kerr != KCGI_OK)
4633 			goto done;
4634 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4635 		if (kerr != KCGI_OK)
4636 			goto done;
4637 
4638 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4639 		if (kerr != KCGI_OK)
4640 			goto done;
4641 
4642 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4643 		    gw_trans->repo_name, "action", "commits", "headref",
4644 		    refname, NULL);
4645 		if (href_commits == NULL) {
4646 			error = got_error_from_errno("khttp_urlpart");
4647 			goto done;
4648 		}
4649 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4650 		    href_commits, KATTR__MAX);
4651 		if (kerr != KCGI_OK)
4652 			goto done;
4653 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4654 		if (kerr != KCGI_OK)
4655 			goto done;
4656 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4657 		if (kerr != KCGI_OK)
4658 			goto done;
4659 
4660 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4661 		    "dotted_line", KATTR__MAX);
4662 		if (kerr != KCGI_OK)
4663 			goto done;
4664 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4665 		if (kerr != KCGI_OK)
4666 			goto done;
4667 		free(href_summary);
4668 		href_summary = NULL;
4669 		free(href_briefs);
4670 		href_briefs = NULL;
4671 		free(href_commits);
4672 		href_commits = NULL;
4673 	}
4674 done:
4675 	got_ref_list_free(&refs);
4676 	free(href_summary);
4677 	free(href_briefs);
4678 	free(href_commits);
4679 	return error;
4680 }
4681 
4682 static const struct got_error *
4683 gw_output_site_link(struct gw_trans *gw_trans)
4684 {
4685 	const struct got_error *error = NULL;
4686 	char *href_summary = NULL;
4687 	enum kcgi_err kerr = KCGI_OK;
4688 
4689 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4690 	    "site_link", KATTR__MAX);
4691 	if (kerr != KCGI_OK)
4692 		goto done;
4693 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4694 	    KATTR__MAX);
4695 	if (kerr != KCGI_OK)
4696 		goto done;
4697 	kerr = khtml_puts(gw_trans->gw_html_req,
4698 	    gw_trans->gw_conf->got_site_link);
4699 	if (kerr != KCGI_OK)
4700 		goto done;
4701 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4702 	if (kerr != KCGI_OK)
4703 		goto done;
4704 
4705 	if (gw_trans->repo_name != NULL) {
4706 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4707 		if (kerr != KCGI_OK)
4708 			goto done;
4709 
4710 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4711 		    gw_trans->repo_name, "action", "summary", NULL);
4712 		if (href_summary == NULL) {
4713 			error = got_error_from_errno("khttp_urlpart");
4714 			goto done;
4715 		}
4716 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4717 		    href_summary, KATTR__MAX);
4718 		if (kerr != KCGI_OK)
4719 			goto done;
4720 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4721 		if (kerr != KCGI_OK)
4722 			goto done;
4723 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4724 		if (kerr != KCGI_OK)
4725 			goto done;
4726 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4727 		    gw_get_action_name(gw_trans));
4728 		if (kerr != KCGI_OK)
4729 			goto done;
4730 	}
4731 
4732 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4733 	if (kerr != KCGI_OK)
4734 		goto done;
4735 done:
4736 	free(href_summary);
4737 	if (error == NULL && kerr != KCGI_OK)
4738 		error = gw_kcgi_error(kerr);
4739 	return error;
4740 }
4741 
4742 static const struct got_error *
4743 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4744 {
4745 	const struct got_error *error = NULL;
4746 	char *color = NULL;
4747 	enum kcgi_err kerr = KCGI_OK;
4748 
4749 	if (strncmp(buf, "-", 1) == 0)
4750 		color = "diff_minus";
4751 	else if (strncmp(buf, "+", 1) == 0)
4752 		color = "diff_plus";
4753 	else if (strncmp(buf, "@@", 2) == 0)
4754 		color = "diff_chunk_header";
4755 	else if (strncmp(buf, "@@", 2) == 0)
4756 		color = "diff_chunk_header";
4757 	else if (strncmp(buf, "commit +", 8) == 0)
4758 		color = "diff_meta";
4759 	else if (strncmp(buf, "commit -", 8) == 0)
4760 		color = "diff_meta";
4761 	else if (strncmp(buf, "blob +", 6) == 0)
4762 		color = "diff_meta";
4763 	else if (strncmp(buf, "blob -", 6) == 0)
4764 		color = "diff_meta";
4765 	else if (strncmp(buf, "file +", 6) == 0)
4766 		color = "diff_meta";
4767 	else if (strncmp(buf, "file -", 6) == 0)
4768 		color = "diff_meta";
4769 	else if (strncmp(buf, "from:", 5) == 0)
4770 		color = "diff_author";
4771 	else if (strncmp(buf, "via:", 4) == 0)
4772 		color = "diff_author";
4773 	else if (strncmp(buf, "date:", 5) == 0)
4774 		color = "diff_date";
4775 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4776 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4777 	if (error == NULL && kerr != KCGI_OK)
4778 		error = gw_kcgi_error(kerr);
4779 	return error;
4780 }
4781 
4782 int
4783 main(int argc, char *argv[])
4784 {
4785 	const struct got_error *error = NULL, *error2 = NULL;
4786 	struct gw_trans *gw_trans;
4787 	struct gw_dir *dir = NULL, *tdir;
4788 	const char *page = "index";
4789 	enum kcgi_err kerr = KCGI_OK;
4790 
4791 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4792 		errx(1, "malloc");
4793 
4794 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4795 		errx(1, "malloc");
4796 
4797 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4798 		errx(1, "malloc");
4799 
4800 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4801 		errx(1, "malloc");
4802 
4803 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4804 	if (kerr != KCGI_OK) {
4805 		error = gw_kcgi_error(kerr);
4806 		goto done;
4807 	}
4808 
4809 	TAILQ_INIT(&gw_trans->gw_dirs);
4810 	TAILQ_INIT(&gw_trans->gw_headers);
4811 
4812 	gw_trans->action = -1;
4813 	gw_trans->page = 0;
4814 	gw_trans->repos_total = 0;
4815 	gw_trans->repo_path = NULL;
4816 	gw_trans->commit_id = NULL;
4817 	gw_trans->next_id = NULL;
4818 	gw_trans->prev_id = NULL;
4819 	gw_trans->headref = GOT_REF_HEAD;
4820 	gw_trans->mime = KMIME_TEXT_HTML;
4821 	gw_trans->gw_tmpl->key = gw_templs;
4822 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4823 	gw_trans->gw_tmpl->arg = gw_trans;
4824 	gw_trans->gw_tmpl->cb = gw_template;
4825 
4826 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4827 	if (error)
4828 		goto done;
4829 
4830 	error = gw_parse_querystring(gw_trans);
4831 	if (error)
4832 		goto done;
4833 
4834 	if (gw_trans->action == GW_BLOB)
4835 		error = gw_blob(gw_trans);
4836 	else
4837 		error = gw_display_index(gw_trans);
4838 done:
4839 	if (gw_trans->repo) {
4840 		const struct got_error *close_err;
4841 		close_err = got_repo_close(gw_trans->repo);
4842 		if (error == NULL)
4843 			error = close_err;
4844 	}
4845 	if (error) {
4846 		gw_trans->error = error;
4847 		gw_trans->action = GW_ERR;
4848 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4849 		if (error2)
4850 			goto cleanup; /* we can't display an error page */
4851 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4852 		if (kerr != KCGI_OK)
4853 			goto cleanup; /* we can't display an error page */
4854 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4855 			gw_query_funcs[gw_trans->action].template);
4856 		if (kerr != KCGI_OK) {
4857 			khtml_close(gw_trans->gw_html_req);
4858 			goto cleanup; /* we can't display an error page */
4859 		}
4860 	}
4861 
4862 cleanup:
4863 	free(gw_trans->gw_conf->got_repos_path);
4864 	free(gw_trans->gw_conf->got_www_path);
4865 	free(gw_trans->gw_conf->got_site_name);
4866 	free(gw_trans->gw_conf->got_site_owner);
4867 	free(gw_trans->gw_conf->got_site_link);
4868 	free(gw_trans->gw_conf->got_logo);
4869 	free(gw_trans->gw_conf->got_logo_url);
4870 	free(gw_trans->gw_conf);
4871 	free(gw_trans->commit_id);
4872 	free(gw_trans->next_id);
4873 	free(gw_trans->prev_id);
4874 	free(gw_trans->repo_path);
4875 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4876 		free(dir->name);
4877 		free(dir->description);
4878 		free(dir->age);
4879 		free(dir->url);
4880 		free(dir->path);
4881 		free(dir);
4882 	}
4883 
4884 	khttp_free(gw_trans->gw_req);
4885 	return 0;
4886 }