1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/queue.h>
19 #include <sys/stat.h>
20 #include <sys/types.h>
21 
22 #include <ctype.h>
23 #include <dirent.h>
24 #include <err.h>
25 #include <errno.h>
26 #include <regex.h>
27 #include <stdarg.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include <got_error.h>
35 #include <got_object.h>
36 #include <got_reference.h>
37 #include <got_repository.h>
38 #include <got_path.h>
39 #include <got_cancel.h>
40 #include <got_worktree.h>
41 #include <got_diff.h>
42 #include <got_commit_graph.h>
43 #include <got_blame.h>
44 #include <got_privsep.h>
45 #include <got_opentemp.h>
46 
47 #include <kcgi.h>
48 #include <kcgihtml.h>
49 
50 #include "gotweb.h"
51 
52 #ifndef nitems
53 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
54 #endif
55 
56 struct gw_trans {
57 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
58 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
59 	struct got_repository	*repo;
60 	struct gw_dir		*gw_dir;
61 	struct gotweb_config	*gw_conf;
62 	struct ktemplate	*gw_tmpl;
63 	struct khtmlreq		*gw_html_req;
64 	struct kreq		*gw_req;
65 	const struct got_error	*error;
66 	const char		*repo_name;
67 	char			*repo_path;
68 	char			*commit_id;
69 	char			*next_id;
70 	char			*prev_id;
71 	const char		*repo_file;
72 	char			*repo_folder;
73 	const char		*headref;
74 	unsigned int		 action;
75 	unsigned int		 page;
76 	unsigned int		 repos_total;
77 	enum kmime		 mime;
78 };
79 
80 struct gw_header {
81 	TAILQ_ENTRY(gw_header)		 entry;
82 	struct got_reflist_head		 refs;
83 	char				*path;
84 
85 	char			*refs_str;
86 	char			*commit_id; /* id_str1 */
87 	char			*parent_id; /* id_str2 */
88 	char			*tree_id;
89 	char			*author;
90 	char			*committer;
91 	char			*commit_msg;
92 	time_t			 committer_time;
93 };
94 
95 struct gw_dir {
96 	TAILQ_ENTRY(gw_dir)	 entry;
97 	char			*name;
98 	char			*owner;
99 	char			*description;
100 	char			*url;
101 	char			*age;
102 	char			*path;
103 };
104 
105 enum gw_key {
106 	KEY_ACTION,
107 	KEY_COMMIT_ID,
108 	KEY_FILE,
109 	KEY_FOLDER,
110 	KEY_HEADREF,
111 	KEY_PAGE,
112 	KEY_PATH,
113 	KEY_PREV_ID,
114 	KEY__ZMAX
115 };
116 
117 enum gw_tmpl {
118 	TEMPL_CONTENT,
119 	TEMPL_HEAD,
120 	TEMPL_HEADER,
121 	TEMPL_SEARCH,
122 	TEMPL_SITEPATH,
123 	TEMPL_SITEOWNER,
124 	TEMPL_TITLE,
125 	TEMPL__MAX
126 };
127 
128 enum gw_ref_tm {
129 	TM_DIFF,
130 	TM_LONG,
131 };
132 
133 enum gw_tags_type {
134 	TAGBRIEF,
135 	TAGFULL,
136 };
137 
138 static const char *const gw_templs[TEMPL__MAX] = {
139 	"content",
140 	"head",
141 	"header",
142 	"search",
143 	"sitepath",
144 	"siteowner",
145 	"title",
146 };
147 
148 static const struct kvalid gw_keys[KEY__ZMAX] = {
149 	{ kvalid_stringne,	"action" },
150 	{ kvalid_stringne,	"commit" },
151 	{ kvalid_stringne,	"file" },
152 	{ kvalid_stringne,	"folder" },
153 	{ kvalid_stringne,	"headref" },
154 	{ kvalid_int,		"page" },
155 	{ kvalid_stringne,	"path" },
156 	{ kvalid_stringne,	"prev" },
157 };
158 
159 static struct gw_header		*gw_init_header(void);
160 
161 static void			 gw_free_header(struct gw_header *);
162 
163 static int			 gw_template(size_t, void *);
164 
165 static const struct got_error	*gw_error(struct gw_trans *);
166 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
167 static const struct got_error	*gw_get_repo_description(char **,
168 				    struct gw_trans *, char *);
169 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
170 				    char *);
171 static const struct got_error	*gw_get_time_str(char **, time_t, int);
172 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
173 				    char *, const char *, int);
174 static const struct got_error	*gw_output_file_blame(struct gw_trans *,
175 				    struct gw_header *);
176 static const struct got_error	*gw_output_blob_buf(struct gw_trans *,
177 				    struct gw_header *);
178 static const struct got_error	*gw_output_repo_tree(struct gw_trans *,
179 				    struct gw_header *);
180 static const struct got_error	*gw_output_diff(struct gw_trans *,
181 				    struct gw_header *);
182 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
183 				    struct gw_header *, int, int);
184 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
185 static const struct got_error	*gw_output_site_link(struct gw_trans *);
186 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
187 				    char *);
188 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
189 
190 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
191 				    char*);
192 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
193 				    char*);
194 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
195 				    const char *);
196 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
197 				    const char *);
198 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
199 				    const char *);
200 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
201 				    char *);
202 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
203 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
204 				    enum kmime);
205 static const struct got_error	*gw_display_index(struct gw_trans *);
206 static const struct got_error	*gw_get_header(struct gw_trans *,
207 				    struct gw_header *, int);
208 static const struct got_error	*gw_get_commits(struct gw_trans *,
209 				    struct gw_header *, int,
210 				    struct got_object_id *);
211 static const struct got_error	*gw_get_commit(struct gw_trans *,
212 				    struct gw_header *,
213 				    struct got_commit_object *,
214 				    struct got_object_id *);
215 static const struct got_error	*gw_apply_unveil(const char *);
216 static const struct got_error	*gw_blame_cb(void *, int, int,
217 				    struct got_object_id *);
218 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
219 static const struct got_error	*gw_load_got_path(struct gw_trans *,
220 				    struct gw_dir *);
221 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
222 static const struct got_error	*gw_blame(struct gw_trans *);
223 static const struct got_error	*gw_blob(struct gw_trans *);
224 static const struct got_error	*gw_diff(struct gw_trans *);
225 static const struct got_error	*gw_index(struct gw_trans *);
226 static const struct got_error	*gw_commits(struct gw_trans *);
227 static const struct got_error	*gw_briefs(struct gw_trans *);
228 static const struct got_error	*gw_summary(struct gw_trans *);
229 static const struct got_error	*gw_tree(struct gw_trans *);
230 static const struct got_error	*gw_tag(struct gw_trans *);
231 static const struct got_error	*gw_tags(struct gw_trans *);
232 
233 struct gw_query_action {
234 	unsigned int		 func_id;
235 	const char		*func_name;
236 	const struct got_error	*(*func_main)(struct gw_trans *);
237 	char			*template;
238 };
239 
240 enum gw_query_actions {
241 	GW_BLAME,
242 	GW_BLOB,
243 	GW_BRIEFS,
244 	GW_COMMITS,
245 	GW_DIFF,
246 	GW_ERR,
247 	GW_INDEX,
248 	GW_SUMMARY,
249 	GW_TAG,
250 	GW_TAGS,
251 	GW_TREE,
252 };
253 
254 static struct gw_query_action gw_query_funcs[] = {
255 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
256 	{ GW_BLOB,	"blob",		NULL,		NULL },
257 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
258 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
259 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
260 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
261 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
262 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
263 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
264 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
265 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
266 };
267 
268 static const char * 
269 gw_get_action_name(struct gw_trans *gw_trans)
270 {
271 	return gw_query_funcs[gw_trans->action].func_name;
272 }
273 
274 static const struct got_error *
275 gw_kcgi_error(enum kcgi_err kerr)
276 {
277 	if (kerr == KCGI_OK)
278 		return NULL;
279 
280 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
281 		return got_error(GOT_ERR_CANCELLED);
282 
283 	if (kerr == KCGI_ENOMEM)
284 		return got_error_set_errno(ENOMEM,
285 		    kcgi_strerror(kerr));
286 
287 	if (kerr == KCGI_ENFILE)
288 		return got_error_set_errno(ENFILE,
289 		    kcgi_strerror(kerr));
290 
291 	if (kerr == KCGI_EAGAIN)
292 		return got_error_set_errno(EAGAIN,
293 		    kcgi_strerror(kerr));
294 
295 	if (kerr == KCGI_FORM)
296 		return got_error_msg(GOT_ERR_IO,
297 		    kcgi_strerror(kerr));
298 
299 	return got_error_from_errno(kcgi_strerror(kerr));
300 }
301 
302 static const struct got_error *
303 gw_apply_unveil(const char *repo_path)
304 {
305 	const struct got_error *err;
306 
307 #ifdef PROFILE
308 	if (unveil("gmon.out", "rwc") != 0)
309 		return got_error_from_errno2("unveil", "gmon.out");
310 #endif
311 	if (repo_path && unveil(repo_path, "r") != 0)
312 		return got_error_from_errno2("unveil", repo_path);
313 
314 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
315 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
316 
317 	err = got_privsep_unveil_exec_helpers();
318 	if (err != NULL)
319 		return err;
320 
321 	if (unveil(NULL, NULL) != 0)
322 		return got_error_from_errno("unveil");
323 
324 	return NULL;
325 }
326 
327 static int
328 isbinary(const uint8_t *buf, size_t n)
329 {
330 	size_t i;
331 
332 	for (i = 0; i < n; i++)
333 		if (buf[i] == 0)
334 			return 1;
335 	return 0;
336 }
337 
338 static const struct got_error *
339 gw_blame(struct gw_trans *gw_trans)
340 {
341 	const struct got_error *error = NULL;
342 	struct gw_header *header = NULL;
343 	char *age = NULL;
344 	enum kcgi_err kerr = KCGI_OK;
345 
346 #ifndef PROFILE
347 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
348 	    NULL) == -1)
349 		return got_error_from_errno("pledge");
350 #endif
351 	if ((header = gw_init_header()) == NULL)
352 		return got_error_from_errno("malloc");
353 
354 	error = gw_apply_unveil(gw_trans->gw_dir->path);
355 	if (error)
356 		goto done;
357 
358 	/* check querystring */
359 	if (gw_trans->repo_file == NULL) {
360 		error = got_error_msg(GOT_ERR_QUERYSTRING,
361 		    "file required in querystring");
362 		goto done;
363 	}
364 	if (gw_trans->commit_id == NULL) {
365 		error = got_error_msg(GOT_ERR_QUERYSTRING,
366 		    "commit required in querystring");
367 		goto done;
368 	}
369 
370 	error = gw_get_header(gw_trans, header, 1);
371 	if (error)
372 		goto done;
373 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
374 	    "blame_header_wrapper", KATTR__MAX);
375 	if (kerr != KCGI_OK)
376 		goto done;
377 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
378 	    "blame_header", KATTR__MAX);
379 	if (kerr != KCGI_OK)
380 		goto done;
381 	error = gw_get_time_str(&age, header->committer_time,
382 	    TM_LONG);
383 	if (error)
384 		goto done;
385 	error = gw_gen_age_header(gw_trans, age ?age : "");
386 	if (error)
387 		goto done;
388 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
389 	if (error)
390 		goto done;
391 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
392 	if (kerr != KCGI_OK)
393 		goto done;
394 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
395 	    "dotted_line", KATTR__MAX);
396 	if (kerr != KCGI_OK)
397 		goto done;
398 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
399 	if (kerr != KCGI_OK)
400 		goto done;
401 
402 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
403 	    "blame", KATTR__MAX);
404 	if (kerr != KCGI_OK)
405 		goto done;
406 	error = gw_output_file_blame(gw_trans, header);
407 	if (error)
408 		goto done;
409 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
410 done:
411 	gw_free_header(header);
412 	if (error == NULL && kerr != KCGI_OK)
413 		error = gw_kcgi_error(kerr);
414 	return error;
415 }
416 
417 static const struct got_error *
418 gw_blob(struct gw_trans *gw_trans)
419 {
420 	const struct got_error *error = NULL, *err = NULL;
421 	struct gw_header *header = NULL;
422 	enum kcgi_err kerr = KCGI_OK;
423 
424 #ifndef PROFILE
425 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
426 	    NULL) == -1)
427 		return got_error_from_errno("pledge");
428 #endif
429 	if ((header = gw_init_header()) == NULL)
430 		return got_error_from_errno("malloc");
431 
432 	error = gw_apply_unveil(gw_trans->gw_dir->path);
433 	if (error)
434 		goto done;
435 
436 	/* check querystring */
437 	if (gw_trans->repo_file == NULL) {
438 		error = got_error_msg(GOT_ERR_QUERYSTRING,
439 		    "file required in querystring");
440 		goto done;
441 	}
442 	if (gw_trans->commit_id == NULL) {
443 		error = got_error_msg(GOT_ERR_QUERYSTRING,
444 		    "commit required in querystring");
445 		goto done;
446 	}
447 	error = gw_get_header(gw_trans, header, 1);
448 	if (error)
449 		goto done;
450 
451 	error = gw_output_blob_buf(gw_trans, header);
452 done:
453 
454 	if (error) {
455 		gw_trans->mime = KMIME_TEXT_PLAIN;
456 		err = gw_display_index(gw_trans);
457 		if (err) {
458 			error = err;
459 			goto errored;
460 		}
461 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
462 	}
463 errored:
464 	gw_free_header(header);
465 	if (error == NULL && kerr != KCGI_OK)
466 		error = gw_kcgi_error(kerr);
467 	return error;
468 }
469 
470 static const struct got_error *
471 gw_diff(struct gw_trans *gw_trans)
472 {
473 	const struct got_error *error = NULL;
474 	struct gw_header *header = NULL;
475 	char *age = NULL;
476 	enum kcgi_err kerr = KCGI_OK;
477 
478 #ifndef PROFILE
479 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
480 	    NULL) == -1)
481 		return got_error_from_errno("pledge");
482 #endif
483 	if ((header = gw_init_header()) == NULL)
484 		return got_error_from_errno("malloc");
485 
486 	error = gw_apply_unveil(gw_trans->gw_dir->path);
487 	if (error)
488 		goto done;
489 
490 	error = gw_get_header(gw_trans, header, 1);
491 	if (error)
492 		goto done;
493 
494 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
495 	    "diff_header_wrapper", KATTR__MAX);
496 	if (kerr != KCGI_OK)
497 		goto done;
498 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
499 	    "diff_header", KATTR__MAX);
500 	if (kerr != KCGI_OK)
501 		goto done;
502 	error = gw_gen_diff_header(gw_trans, header->parent_id,
503 	    header->commit_id);
504 	if (error)
505 		goto done;
506 	error = gw_gen_commit_header(gw_trans, header->commit_id,
507 	    header->refs_str);
508 	if (error)
509 		goto done;
510 	error = gw_gen_tree_header(gw_trans, header->tree_id);
511 	if (error)
512 		goto done;
513 	error = gw_gen_author_header(gw_trans, header->author);
514 	if (error)
515 		goto done;
516 	error = gw_gen_committer_header(gw_trans, header->author);
517 	if (error)
518 		goto done;
519 	error = gw_get_time_str(&age, header->committer_time,
520 	    TM_LONG);
521 	if (error)
522 		goto done;
523 	error = gw_gen_age_header(gw_trans, age ?age : "");
524 	if (error)
525 		goto done;
526 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
527 	if (error)
528 		goto done;
529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
530 	if (kerr != KCGI_OK)
531 		goto done;
532 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
533 	    "dotted_line", KATTR__MAX);
534 	if (kerr != KCGI_OK)
535 		goto done;
536 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
537 	if (kerr != KCGI_OK)
538 		goto done;
539 
540 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
541 	    "diff", KATTR__MAX);
542 	if (kerr != KCGI_OK)
543 		goto done;
544 	error = gw_output_diff(gw_trans, header);
545 	if (error)
546 		goto done;
547 
548 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
549 done:
550 	gw_free_header(header);
551 	free(age);
552 	if (error == NULL && kerr != KCGI_OK)
553 		error = gw_kcgi_error(kerr);
554 	return error;
555 }
556 
557 static const struct got_error *
558 gw_index(struct gw_trans *gw_trans)
559 {
560 	const struct got_error *error = NULL;
561 	struct gw_dir *gw_dir = NULL;
562 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
563 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
564 	char *href_tags = NULL;
565 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
566 	enum kcgi_err kerr = KCGI_OK;
567 
568 #ifndef PROFILE
569 	if (pledge("stdio rpath proc exec sendfd unveil",
570 	    NULL) == -1) {
571 		error = got_error_from_errno("pledge");
572 		return error;
573 	}
574 #endif
575 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
576 	if (error)
577 		return error;
578 
579 	error = gw_load_got_paths(gw_trans);
580 	if (error)
581 		return error;
582 
583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
584 	    "index_header", KATTR__MAX);
585 	if (kerr != KCGI_OK)
586 		return gw_kcgi_error(kerr);
587 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
588 	    "index_header_project", KATTR__MAX);
589 	if (kerr != KCGI_OK)
590 		return gw_kcgi_error(kerr);
591 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
592 	if (kerr != KCGI_OK)
593 		return gw_kcgi_error(kerr);
594 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
595 	if (kerr != KCGI_OK)
596 		return gw_kcgi_error(kerr);
597 
598 	if (gw_trans->gw_conf->got_show_repo_description) {
599 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
600 		    "index_header_description", KATTR__MAX);
601 		if (kerr != KCGI_OK)
602 			return gw_kcgi_error(kerr);
603 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
604 		if (kerr != KCGI_OK)
605 			return gw_kcgi_error(kerr);
606 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
607 		if (kerr != KCGI_OK)
608 			return gw_kcgi_error(kerr);
609 	}
610 
611 	if (gw_trans->gw_conf->got_show_repo_owner) {
612 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
613 		    "index_header_owner", KATTR__MAX);
614 		if (kerr != KCGI_OK)
615 			return gw_kcgi_error(kerr);
616 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
617 		if (kerr != KCGI_OK)
618 			return gw_kcgi_error(kerr);
619 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
620 		if (kerr != KCGI_OK)
621 			return gw_kcgi_error(kerr);
622 	}
623 
624 	if (gw_trans->gw_conf->got_show_repo_age) {
625 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
626 		    "index_header_age", KATTR__MAX);
627 		if (kerr != KCGI_OK)
628 			return gw_kcgi_error(kerr);
629 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
630 		if (kerr != KCGI_OK)
631 			return gw_kcgi_error(kerr);
632 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
633 		if (kerr != KCGI_OK)
634 			return gw_kcgi_error(kerr);
635 	}
636 
637 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
638 	if (kerr != KCGI_OK)
639 		return gw_kcgi_error(kerr);
640 
641 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
642 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
643 		    "index_wrapper", KATTR__MAX);
644 		if (kerr != KCGI_OK)
645 			return gw_kcgi_error(kerr);
646 		kerr = khtml_printf(gw_trans->gw_html_req,
647 		    "No repositories found in %s",
648 		    gw_trans->gw_conf->got_repos_path);
649 		if (kerr != KCGI_OK)
650 			return gw_kcgi_error(kerr);
651 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
652 		if (kerr != KCGI_OK)
653 			return gw_kcgi_error(kerr);
654 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
655 		    "dotted_line", KATTR__MAX);
656 		if (kerr != KCGI_OK)
657 			return gw_kcgi_error(kerr);
658 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
659 		if (kerr != KCGI_OK)
660 			return gw_kcgi_error(kerr);
661 		return error;
662 	}
663 
664 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
665 		dir_c++;
666 
667 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
668 		if (gw_trans->page > 0 && (gw_trans->page *
669 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
670 			prev_disp++;
671 			continue;
672 		}
673 
674 		prev_disp++;
675 
676 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
677 		    "index_wrapper", KATTR__MAX);
678 		if (kerr != KCGI_OK)
679 			goto done;
680 
681 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
682 		    gw_dir->name, "action", "summary", NULL);
683 		if (href_summary == NULL) {
684 			error = got_error_from_errno("khttp_urlpart");
685 			goto done;
686 		}
687 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
688 		    "index_project", KATTR__MAX);
689 		if (kerr != KCGI_OK)
690 			goto done;
691 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
692 		    href_summary, KATTR__MAX);
693 		if (kerr != KCGI_OK)
694 			goto done;
695 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
696 		if (kerr != KCGI_OK)
697 			goto done;
698 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
699 		if (kerr != KCGI_OK)
700 			goto done;
701 		if (gw_trans->gw_conf->got_show_repo_description) {
702 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
703 			    KATTR_ID, "index_project_description", KATTR__MAX);
704 			if (kerr != KCGI_OK)
705 				goto done;
706 			kerr = khtml_puts(gw_trans->gw_html_req,
707 			    gw_dir->description ? gw_dir->description : "");
708 			if (kerr != KCGI_OK)
709 				goto done;
710 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
711 			if (kerr != KCGI_OK)
712 				goto done;
713 		}
714 		if (gw_trans->gw_conf->got_show_repo_owner) {
715 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
716 			    KATTR_ID, "index_project_owner", KATTR__MAX);
717 			if (kerr != KCGI_OK)
718 				goto done;
719 			kerr = khtml_puts(gw_trans->gw_html_req,
720 			    gw_dir->owner ? gw_dir->owner : "");
721 			if (kerr != KCGI_OK)
722 				goto done;
723 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
724 			if (kerr != KCGI_OK)
725 				goto done;
726 		}
727 		if (gw_trans->gw_conf->got_show_repo_age) {
728 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
729 			    KATTR_ID, "index_project_age", KATTR__MAX);
730 			if (kerr != KCGI_OK)
731 				goto done;
732 			kerr = khtml_puts(gw_trans->gw_html_req,
733 			    gw_dir->age ? gw_dir->age : "");
734 			if (kerr != KCGI_OK)
735 				goto done;
736 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
737 			if (kerr != KCGI_OK)
738 				goto done;
739 		}
740 
741 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
742 		    "navs_wrapper", KATTR__MAX);
743 		if (kerr != KCGI_OK)
744 			goto done;
745 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
746 		    "navs", KATTR__MAX);
747 		if (kerr != KCGI_OK)
748 			goto done;
749 
750 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
751 		    href_summary, KATTR__MAX);
752 		if (kerr != KCGI_OK)
753 			goto done;
754 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
755 		if (kerr != KCGI_OK)
756 			goto done;
757 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
758 		if (kerr != KCGI_OK)
759 			goto done;
760 
761 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
762 		if (kerr != KCGI_OK)
763 			goto done;
764 
765 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
766 		    gw_dir->name, "action", "briefs", NULL);
767 		if (href_briefs == NULL) {
768 			error = got_error_from_errno("khttp_urlpart");
769 			goto done;
770 		}
771 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
772 		    href_briefs, KATTR__MAX);
773 		if (kerr != KCGI_OK)
774 			goto done;
775 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
776 		if (kerr != KCGI_OK)
777 			goto done;
778 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
779 		if (kerr != KCGI_OK)
780 			error = gw_kcgi_error(kerr);
781 
782 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
783 		if (kerr != KCGI_OK)
784 			goto done;
785 
786 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
787 		    gw_dir->name, "action", "commits", NULL);
788 		if (href_commits == NULL) {
789 			error = got_error_from_errno("khttp_urlpart");
790 			goto done;
791 		}
792 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
793 		    href_commits, KATTR__MAX);
794 		if (kerr != KCGI_OK)
795 			goto done;
796 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
797 		if (kerr != KCGI_OK)
798 			goto done;
799 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
800 		if (kerr != KCGI_OK)
801 			goto done;
802 
803 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
804 		if (kerr != KCGI_OK)
805 			goto done;
806 
807 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
808 		    gw_dir->name, "action", "tags", NULL);
809 		if (href_tags == NULL) {
810 			error = got_error_from_errno("khttp_urlpart");
811 			goto done;
812 		}
813 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
814 		    href_tags, KATTR__MAX);
815 		if (kerr != KCGI_OK)
816 			goto done;
817 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
818 		if (kerr != KCGI_OK)
819 			goto done;
820 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
821 		if (kerr != KCGI_OK)
822 			goto done;
823 
824 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
825 		if (kerr != KCGI_OK)
826 			goto done;
827 
828 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
829 		    gw_dir->name, "action", "tree", NULL);
830 		if (href_tree == NULL) {
831 			error = got_error_from_errno("khttp_urlpart");
832 			goto done;
833 		}
834 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
835 		    href_tree, KATTR__MAX);
836 		if (kerr != KCGI_OK)
837 			goto done;
838 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
839 		if (kerr != KCGI_OK)
840 			goto done;
841 
842 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
843 		if (kerr != KCGI_OK)
844 			goto done;
845 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
846 		    "dotted_line", KATTR__MAX);
847 		if (kerr != KCGI_OK)
848 			goto done;
849 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
850 		if (kerr != KCGI_OK)
851 			goto done;
852 
853 		free(href_summary);
854 		href_summary = NULL;
855 		free(href_briefs);
856 		href_briefs = NULL;
857 		free(href_commits);
858 		href_commits = NULL;
859 		free(href_tags);
860 		href_tags = NULL;
861 		free(href_tree);
862 		href_tree = NULL;
863 
864 		if (gw_trans->gw_conf->got_max_repos_display == 0)
865 			continue;
866 
867 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
868 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
869 		    (gw_trans->page > 0) &&
870 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
871 		    prev_disp == gw_trans->repos_total))) {
872 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
873 			    KATTR_ID, "np_wrapper", KATTR__MAX);
874 			if (kerr != KCGI_OK)
875 				goto done;
876 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
877 			    KATTR_ID, "nav_prev", KATTR__MAX);
878 			if (kerr != KCGI_OK)
879 				goto done;
880 		}
881 
882 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
883 		    (gw_trans->page > 0) &&
884 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
885 		    prev_disp == gw_trans->repos_total)) {
886 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
887 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
888 			if (href_prev == NULL) {
889 				error = got_error_from_errno("khttp_urlpartx");
890 				goto done;
891 			}
892 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
893 			    KATTR_HREF, href_prev, KATTR__MAX);
894 			if (kerr != KCGI_OK)
895 				goto done;
896 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
897 			if (kerr != KCGI_OK)
898 				goto done;
899 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
900 			if (kerr != KCGI_OK)
901 				goto done;
902 		}
903 
904 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
905 		if (kerr != KCGI_OK)
906 			return gw_kcgi_error(kerr);
907 
908 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
909 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
910 		    dir_c != (gw_trans->page + 1) *
911 		    gw_trans->gw_conf->got_max_repos_display) {
912 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
913 			    KATTR_ID, "nav_next", KATTR__MAX);
914 			if (kerr != KCGI_OK)
915 				goto done;
916 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
917 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
918 			if (href_next == NULL) {
919 				error = got_error_from_errno("khttp_urlpartx");
920 				goto done;
921 			}
922 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
923 			    KATTR_HREF, href_next, KATTR__MAX);
924 			if (kerr != KCGI_OK)
925 				goto done;
926 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
927 			if (kerr != KCGI_OK)
928 				goto done;
929 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
930 			if (kerr != KCGI_OK)
931 				goto done;
932 			next_disp = 0;
933 			break;
934 		}
935 
936 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
937 		    (gw_trans->page > 0) &&
938 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
939 		    prev_disp == gw_trans->repos_total)) {
940 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
941 			if (kerr != KCGI_OK)
942 				goto done;
943 		}
944 		next_disp++;
945 	}
946 done:
947 	free(href_prev);
948 	free(href_next);
949 	free(href_summary);
950 	free(href_briefs);
951 	free(href_commits);
952 	free(href_tags);
953 	free(href_tree);
954 	if (error == NULL && kerr != KCGI_OK)
955 		error = gw_kcgi_error(kerr);
956 	return error;
957 }
958 
959 static const struct got_error *
960 gw_commits(struct gw_trans *gw_trans)
961 {
962 	const struct got_error *error = NULL;
963 	struct gw_header *header = NULL, *n_header = NULL;
964 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
965 	char *href_prev = NULL, *href_next = NULL;
966 	enum kcgi_err kerr = KCGI_OK;
967 	int commit_found = 0;
968 
969 	if ((header = gw_init_header()) == NULL)
970 		return got_error_from_errno("malloc");
971 
972 #ifndef PROFILE
973 	if (pledge("stdio rpath proc exec sendfd unveil",
974 	    NULL) == -1) {
975 		error = got_error_from_errno("pledge");
976 		goto done;
977 	}
978 #endif
979 	error = gw_apply_unveil(gw_trans->gw_dir->path);
980 	if (error)
981 		goto done;
982 
983 	error = gw_get_header(gw_trans, header,
984 	    gw_trans->gw_conf->got_max_commits_display);
985 	if (error)
986 		goto done;
987 
988 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
989 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
990 			if (strcmp(gw_trans->commit_id,
991 			    n_header->commit_id) != 0)
992 				continue;
993 			else
994 				commit_found = 1;
995 		}
996 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
997 		    "commits_line_wrapper", KATTR__MAX);
998 		if (kerr != KCGI_OK)
999 			goto done;
1000 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
1001 		    n_header->refs_str);
1002 		if (error)
1003 			goto done;
1004 		error = gw_gen_author_header(gw_trans, n_header->author);
1005 		if (error)
1006 			goto done;
1007 		error = gw_gen_committer_header(gw_trans, n_header->author);
1008 		if (error)
1009 			goto done;
1010 		error = gw_get_time_str(&age, n_header->committer_time,
1011 		    TM_LONG);
1012 		if (error)
1013 			goto done;
1014 		error = gw_gen_age_header(gw_trans, age ?age : "");
1015 		if (error)
1016 			goto done;
1017 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1018 		if (kerr != KCGI_OK)
1019 			goto done;
1020 
1021 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1022 		    "dotted_line", KATTR__MAX);
1023 		if (kerr != KCGI_OK)
1024 			goto done;
1025 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1026 		if (kerr != KCGI_OK)
1027 			goto done;
1028 
1029 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1030 		    "commit", KATTR__MAX);
1031 		if (kerr != KCGI_OK)
1032 			goto done;
1033 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1034 		if (kerr != KCGI_OK)
1035 			goto done;
1036 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1037 		if (kerr != KCGI_OK)
1038 			goto done;
1039 
1040 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1041 		    gw_trans->repo_name, "action", "diff", "commit",
1042 		    n_header->commit_id, NULL);
1043 		if (href_diff == NULL) {
1044 			error = got_error_from_errno("khttp_urlpart");
1045 			goto done;
1046 		}
1047 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1048 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1049 		if (kerr != KCGI_OK)
1050 			goto done;
1051 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1052 		    KATTR_ID, "navs", KATTR__MAX);
1053 		if (kerr != KCGI_OK)
1054 			goto done;
1055 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1056 		    KATTR_HREF, href_diff, KATTR__MAX);
1057 		if (kerr != KCGI_OK)
1058 			goto done;
1059 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1060 		if (kerr != KCGI_OK)
1061 			goto done;
1062 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1063 		if (kerr != KCGI_OK)
1064 			goto done;
1065 
1066 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1067 		if (kerr != KCGI_OK)
1068 			goto done;
1069 
1070 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1071 		    gw_trans->repo_name, "action", "tree", "commit",
1072 		    n_header->commit_id, NULL);
1073 		if (href_tree == NULL) {
1074 			error = got_error_from_errno("khttp_urlpart");
1075 			goto done;
1076 		}
1077 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1078 		    KATTR_HREF, href_tree, KATTR__MAX);
1079 		if (kerr != KCGI_OK)
1080 			goto done;
1081 		khtml_puts(gw_trans->gw_html_req, "tree");
1082 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1083 		if (kerr != KCGI_OK)
1084 			goto done;
1085 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1086 		if (kerr != KCGI_OK)
1087 			goto done;
1088 
1089 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1090 		    "solid_line", KATTR__MAX);
1091 		if (kerr != KCGI_OK)
1092 			goto done;
1093 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1094 		if (kerr != KCGI_OK)
1095 			goto done;
1096 
1097 		free(age);
1098 		age = NULL;
1099 	}
1100 
1101 	if (gw_trans->next_id || gw_trans->prev_id) {
1102 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1103 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1104 		if (kerr != KCGI_OK)
1105 			goto done;
1106 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1107 		    KATTR_ID, "nav_prev", KATTR__MAX);
1108 		if (kerr != KCGI_OK)
1109 			goto done;
1110 	}
1111 
1112 	if (gw_trans->prev_id) {
1113 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1114 		    KATTRX_STRING, gw_trans->repo_name, "page",
1115 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1116 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1117 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1118 		if (href_prev == NULL) {
1119 			error = got_error_from_errno("khttp_urlpartx");
1120 			goto done;
1121 		}
1122 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1123 		    KATTR_HREF, href_prev, KATTR__MAX);
1124 		if (kerr != KCGI_OK)
1125 			goto done;
1126 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1127 		if (kerr != KCGI_OK)
1128 			goto done;
1129 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1130 		if (kerr != KCGI_OK)
1131 			goto done;
1132 	}
1133 
1134 	if (gw_trans->next_id || gw_trans->page > 0) {
1135 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1136 		if (kerr != KCGI_OK)
1137 			return gw_kcgi_error(kerr);
1138 	}
1139 
1140 	if (gw_trans->next_id) {
1141 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1142 		    KATTR_ID, "nav_next", KATTR__MAX);
1143 		if (kerr != KCGI_OK)
1144 			goto done;
1145 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1146 		    KATTRX_STRING, gw_trans->repo_name, "page",
1147 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1148 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1149 		    gw_trans->next_id, NULL);
1150 		if (href_next == NULL) {
1151 			error = got_error_from_errno("khttp_urlpartx");
1152 			goto done;
1153 		}
1154 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1155 		    KATTR_HREF, href_next, KATTR__MAX);
1156 		if (kerr != KCGI_OK)
1157 			goto done;
1158 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1159 		if (kerr != KCGI_OK)
1160 			goto done;
1161 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1162 		if (kerr != KCGI_OK)
1163 			goto done;
1164 	}
1165 
1166 	if (gw_trans->next_id || gw_trans->page > 0) {
1167 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1168 		if (kerr != KCGI_OK)
1169 			goto done;
1170 	}
1171 done:
1172 	gw_free_header(header);
1173 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1174 		gw_free_header(n_header);
1175 	free(age);
1176 	free(href_next);
1177 	free(href_prev);
1178 	free(href_diff);
1179 	free(href_tree);
1180 	if (error == NULL && kerr != KCGI_OK)
1181 		error = gw_kcgi_error(kerr);
1182 	return error;
1183 }
1184 
1185 static const struct got_error *
1186 gw_briefs(struct gw_trans *gw_trans)
1187 {
1188 	const struct got_error *error = NULL;
1189 	struct gw_header *header = NULL, *n_header = NULL;
1190 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1191 	char *href_prev = NULL, *href_next = NULL;
1192 	char *newline, *smallerthan;
1193 	enum kcgi_err kerr = KCGI_OK;
1194 	int commit_found = 0;
1195 
1196 	if ((header = gw_init_header()) == NULL)
1197 		return got_error_from_errno("malloc");
1198 
1199 #ifndef PROFILE
1200 	if (pledge("stdio rpath proc exec sendfd unveil",
1201 	    NULL) == -1) {
1202 		error = got_error_from_errno("pledge");
1203 		goto done;
1204 	}
1205 #endif
1206 	if (gw_trans->action != GW_SUMMARY) {
1207 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1208 		if (error)
1209 			goto done;
1210 	}
1211 
1212 	if (gw_trans->action == GW_SUMMARY)
1213 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1214 	else
1215 		error = gw_get_header(gw_trans, header,
1216 		    gw_trans->gw_conf->got_max_commits_display);
1217 	if (error)
1218 		goto done;
1219 
1220 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1221 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
1222 			if (strcmp(gw_trans->commit_id,
1223 			    n_header->commit_id) != 0)
1224 				continue;
1225 			else
1226 				commit_found = 1;
1227 		}
1228 		error = gw_get_time_str(&age, n_header->committer_time,
1229 		    TM_DIFF);
1230 		if (error)
1231 			goto done;
1232 
1233 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1234 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1235 		if (kerr != KCGI_OK)
1236 			goto done;
1237 
1238 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1239 		    KATTR_ID, "briefs_age", KATTR__MAX);
1240 		if (kerr != KCGI_OK)
1241 			goto done;
1242 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1243 		if (kerr != KCGI_OK)
1244 			goto done;
1245 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1246 		if (kerr != KCGI_OK)
1247 			goto done;
1248 
1249 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1250 		    KATTR_ID, "briefs_author", KATTR__MAX);
1251 		if (kerr != KCGI_OK)
1252 			goto done;
1253 		smallerthan = strchr(n_header->author, '<');
1254 		if (smallerthan)
1255 			*smallerthan = '\0';
1256 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1257 		if (kerr != KCGI_OK)
1258 			goto done;
1259 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1260 		if (kerr != KCGI_OK)
1261 			goto done;
1262 
1263 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1264 		    gw_trans->repo_name, "action", "diff", "commit",
1265 		    n_header->commit_id, NULL);
1266 		if (href_diff == NULL) {
1267 			error = got_error_from_errno("khttp_urlpart");
1268 			goto done;
1269 		}
1270 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1271 		    KATTR_ID, "briefs_log", KATTR__MAX);
1272 		if (kerr != KCGI_OK)
1273 			goto done;
1274 		newline = strchr(n_header->commit_msg, '\n');
1275 		if (newline)
1276 			*newline = '\0';
1277 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1278 		    KATTR_HREF, href_diff, KATTR__MAX);
1279 		if (kerr != KCGI_OK)
1280 			goto done;
1281 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1282 		if (kerr != KCGI_OK)
1283 			goto done;
1284 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1285 		if (kerr != KCGI_OK)
1286 			goto done;
1287 
1288 		if (n_header->refs_str) {
1289 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1290 			if (kerr != KCGI_OK)
1291 				goto done;
1292 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1293 			    KATTR_ID, "refs_str", KATTR__MAX);
1294 			if (kerr != KCGI_OK)
1295 			goto done;
1296 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1297 			    n_header->refs_str);
1298 			if (kerr != KCGI_OK)
1299 				goto done;
1300 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1301 			if (kerr != KCGI_OK)
1302 				goto done;
1303 		}
1304 
1305 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1306 		if (kerr != KCGI_OK)
1307 			goto done;
1308 
1309 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1310 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1311 		if (kerr != KCGI_OK)
1312 			goto done;
1313 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1314 		    KATTR_ID, "navs", KATTR__MAX);
1315 		if (kerr != KCGI_OK)
1316 			goto done;
1317 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1318 		    KATTR_HREF, href_diff, KATTR__MAX);
1319 		if (kerr != KCGI_OK)
1320 			goto done;
1321 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1322 		if (kerr != KCGI_OK)
1323 			goto done;
1324 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1325 		if (kerr != KCGI_OK)
1326 			goto done;
1327 
1328 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1329 		if (kerr != KCGI_OK)
1330 			goto done;
1331 
1332 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1333 		    gw_trans->repo_name, "action", "tree", "commit",
1334 		    n_header->commit_id, NULL);
1335 		if (href_tree == NULL) {
1336 			error = got_error_from_errno("khttp_urlpart");
1337 			goto done;
1338 		}
1339 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1340 		    KATTR_HREF, href_tree, KATTR__MAX);
1341 		if (kerr != KCGI_OK)
1342 			goto done;
1343 		khtml_puts(gw_trans->gw_html_req, "tree");
1344 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1345 		if (kerr != KCGI_OK)
1346 			goto done;
1347 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1348 		if (kerr != KCGI_OK)
1349 			goto done;
1350 
1351 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1352 		    KATTR_ID, "dotted_line", KATTR__MAX);
1353 		if (kerr != KCGI_OK)
1354 			goto done;
1355 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1356 		if (kerr != KCGI_OK)
1357 			goto done;
1358 
1359 		free(age);
1360 		age = NULL;
1361 		free(href_diff);
1362 		href_diff = NULL;
1363 		free(href_tree);
1364 		href_tree = NULL;
1365 	}
1366 
1367 	if (gw_trans->next_id || gw_trans->prev_id) {
1368 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1369 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1370 		if (kerr != KCGI_OK)
1371 			goto done;
1372 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1373 		    KATTR_ID, "nav_prev", KATTR__MAX);
1374 		if (kerr != KCGI_OK)
1375 			goto done;
1376 	}
1377 
1378 	if (gw_trans->prev_id) {
1379 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1380 		    KATTRX_STRING, gw_trans->repo_name, "page",
1381 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1382 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1383 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1384 		if (href_prev == NULL) {
1385 			error = got_error_from_errno("khttp_urlpartx");
1386 			goto done;
1387 		}
1388 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1389 		    KATTR_HREF, href_prev, KATTR__MAX);
1390 		if (kerr != KCGI_OK)
1391 			goto done;
1392 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1393 		if (kerr != KCGI_OK)
1394 			goto done;
1395 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1396 		if (kerr != KCGI_OK)
1397 			goto done;
1398 	}
1399 
1400 	if (gw_trans->next_id || gw_trans->page > 0) {
1401 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1402 		if (kerr != KCGI_OK)
1403 			return gw_kcgi_error(kerr);
1404 	}
1405 
1406 	if (gw_trans->next_id) {
1407 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1408 		    KATTR_ID, "nav_next", KATTR__MAX);
1409 		if (kerr != KCGI_OK)
1410 			goto done;
1411 
1412 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1413 		    KATTRX_STRING, gw_trans->repo_name, "page",
1414 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1415 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1416 		    gw_trans->next_id, NULL);
1417 		if (href_next == NULL) {
1418 			error = got_error_from_errno("khttp_urlpartx");
1419 			goto done;
1420 		}
1421 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1422 		    KATTR_HREF, href_next, KATTR__MAX);
1423 		if (kerr != KCGI_OK)
1424 			goto done;
1425 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1426 		if (kerr != KCGI_OK)
1427 			goto done;
1428 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1429 		if (kerr != KCGI_OK)
1430 			goto done;
1431 	}
1432 
1433 	if (gw_trans->next_id || gw_trans->page > 0) {
1434 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1435 		if (kerr != KCGI_OK)
1436 			goto done;
1437 	}
1438 done:
1439 	gw_free_header(header);
1440 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1441 		gw_free_header(n_header);
1442 	free(age);
1443 	free(href_next);
1444 	free(href_prev);
1445 	free(href_diff);
1446 	free(href_tree);
1447 	if (error == NULL && kerr != KCGI_OK)
1448 		error = gw_kcgi_error(kerr);
1449 	return error;
1450 }
1451 
1452 static const struct got_error *
1453 gw_summary(struct gw_trans *gw_trans)
1454 {
1455 	const struct got_error *error = NULL;
1456 	char *age = NULL;
1457 	enum kcgi_err kerr = KCGI_OK;
1458 
1459 #ifndef PROFILE
1460 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1461 		return got_error_from_errno("pledge");
1462 #endif
1463 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1464 	if (error)
1465 		goto done;
1466 
1467 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1468 	    "summary_wrapper", KATTR__MAX);
1469 	if (kerr != KCGI_OK)
1470 		return gw_kcgi_error(kerr);
1471 
1472 	if (gw_trans->gw_conf->got_show_repo_description &&
1473 	    gw_trans->gw_dir->description != NULL &&
1474 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1475 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1476 		    KATTR_ID, "description_title", KATTR__MAX);
1477 		if (kerr != KCGI_OK)
1478 			goto done;
1479 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1480 		if (kerr != KCGI_OK)
1481 			goto done;
1482 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1483 		if (kerr != KCGI_OK)
1484 			goto done;
1485 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1486 		    KATTR_ID, "description", KATTR__MAX);
1487 		if (kerr != KCGI_OK)
1488 			goto done;
1489 		kerr = khtml_puts(gw_trans->gw_html_req,
1490 		    gw_trans->gw_dir->description);
1491 		if (kerr != KCGI_OK)
1492 			goto done;
1493 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1494 		if (kerr != KCGI_OK)
1495 			goto done;
1496 	}
1497 
1498 	if (gw_trans->gw_conf->got_show_repo_owner &&
1499 	    gw_trans->gw_dir->owner != NULL &&
1500 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1501 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1502 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1503 		if (kerr != KCGI_OK)
1504 			goto done;
1505 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1506 		if (kerr != KCGI_OK)
1507 			goto done;
1508 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1509 		if (kerr != KCGI_OK)
1510 			goto done;
1511 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1512 		    KATTR_ID, "repo_owner", KATTR__MAX);
1513 		if (kerr != KCGI_OK)
1514 			goto done;
1515 		kerr = khtml_puts(gw_trans->gw_html_req,
1516 		    gw_trans->gw_dir->owner);
1517 		if (kerr != KCGI_OK)
1518 			goto done;
1519 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1520 		if (kerr != KCGI_OK)
1521 			goto done;
1522 	}
1523 
1524 	if (gw_trans->gw_conf->got_show_repo_age) {
1525 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1526 		    NULL, TM_LONG);
1527 		if (error)
1528 			goto done;
1529 		if (age != NULL) {
1530 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1531 			    KATTR_ID, "last_change_title", KATTR__MAX);
1532 			if (kerr != KCGI_OK)
1533 				goto done;
1534 			kerr = khtml_puts(gw_trans->gw_html_req,
1535 			    "Last Change: ");
1536 			if (kerr != KCGI_OK)
1537 				goto done;
1538 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1539 			if (kerr != KCGI_OK)
1540 				goto done;
1541 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1542 			    KATTR_ID, "last_change", KATTR__MAX);
1543 			if (kerr != KCGI_OK)
1544 				goto done;
1545 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1546 			if (kerr != KCGI_OK)
1547 				goto done;
1548 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1549 			if (kerr != KCGI_OK)
1550 				goto done;
1551 		}
1552 	}
1553 
1554 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1555 	    gw_trans->gw_dir->url != NULL &&
1556 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1557 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1558 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1559 		if (kerr != KCGI_OK)
1560 			goto done;
1561 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1562 		if (kerr != KCGI_OK)
1563 			goto done;
1564 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1565 		if (kerr != KCGI_OK)
1566 			goto done;
1567 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1568 		    KATTR_ID, "cloneurl", KATTR__MAX);
1569 		if (kerr != KCGI_OK)
1570 			goto done;
1571 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1572 		if (kerr != KCGI_OK)
1573 			goto done;
1574 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1575 		if (kerr != KCGI_OK)
1576 			goto done;
1577 	}
1578 
1579 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1580 	if (kerr != KCGI_OK)
1581 		goto done;
1582 
1583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1584 	    "briefs_title_wrapper", KATTR__MAX);
1585 	if (kerr != KCGI_OK)
1586 		goto done;
1587 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1588 	    "briefs_title", KATTR__MAX);
1589 	if (kerr != KCGI_OK)
1590 		goto done;
1591 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1592 	if (kerr != KCGI_OK)
1593 		goto done;
1594 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1595 	if (kerr != KCGI_OK)
1596 		goto done;
1597 	error = gw_briefs(gw_trans);
1598 	if (error)
1599 		goto done;
1600 
1601 	error = gw_tags(gw_trans);
1602 	if (error)
1603 		goto done;
1604 
1605 	error = gw_output_repo_heads(gw_trans);
1606 done:
1607 	free(age);
1608 	if (error == NULL && kerr != KCGI_OK)
1609 		error = gw_kcgi_error(kerr);
1610 	return error;
1611 }
1612 
1613 static const struct got_error *
1614 gw_tree(struct gw_trans *gw_trans)
1615 {
1616 	const struct got_error *error = NULL;
1617 	struct gw_header *header = NULL;
1618 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1619 	char *age = NULL;
1620 	enum kcgi_err kerr = KCGI_OK;
1621 
1622 #ifndef PROFILE
1623 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1624 		return got_error_from_errno("pledge");
1625 #endif
1626 	if ((header = gw_init_header()) == NULL)
1627 		return got_error_from_errno("malloc");
1628 
1629 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1630 	if (error)
1631 		goto done;
1632 
1633 	error = gw_get_header(gw_trans, header, 1);
1634 	if (error)
1635 		goto done;
1636 
1637 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1638 	    "tree_header_wrapper", KATTR__MAX);
1639 	if (kerr != KCGI_OK)
1640 		goto done;
1641 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1642 	    "tree_header", KATTR__MAX);
1643 	if (kerr != KCGI_OK)
1644 		goto done;
1645 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1646 	if (error)
1647 		goto done;
1648 	error = gw_get_time_str(&age, header->committer_time,
1649 	    TM_LONG);
1650 	if (error)
1651 		goto done;
1652 	error = gw_gen_age_header(gw_trans, age ?age : "");
1653 	if (error)
1654 		goto done;
1655 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1656 	if (error)
1657 		goto done;
1658 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1659 	if (kerr != KCGI_OK)
1660 		goto done;
1661 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1662 	    "dotted_line", KATTR__MAX);
1663 	if (kerr != KCGI_OK)
1664 		goto done;
1665 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1666 	if (kerr != KCGI_OK)
1667 		goto done;
1668 
1669 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1670 	    "tree", KATTR__MAX);
1671 	if (kerr != KCGI_OK)
1672 		goto done;
1673 	error = gw_output_repo_tree(gw_trans, header);
1674 	if (error)
1675 		goto done;
1676 
1677 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1678 done:
1679 	gw_free_header(header);
1680 	free(tree_html_disp);
1681 	free(tree_html);
1682 	free(tree);
1683 	free(age);
1684 	if (error == NULL && kerr != KCGI_OK)
1685 		error = gw_kcgi_error(kerr);
1686 	return error;
1687 }
1688 
1689 static const struct got_error *
1690 gw_tags(struct gw_trans *gw_trans)
1691 {
1692 	const struct got_error *error = NULL;
1693 	struct gw_header *header = NULL;
1694 	char *href_next = NULL, *href_prev = NULL;
1695 	enum kcgi_err kerr = KCGI_OK;
1696 
1697 #ifndef PROFILE
1698 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1699 		return got_error_from_errno("pledge");
1700 #endif
1701 	if ((header = gw_init_header()) == NULL)
1702 		return got_error_from_errno("malloc");
1703 
1704 	if (gw_trans->action != GW_SUMMARY) {
1705 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1706 		if (error)
1707 			goto done;
1708 	}
1709 
1710 	error = gw_get_header(gw_trans, header, 1);
1711 	if (error)
1712 		goto done;
1713 
1714 	if (gw_trans->action == GW_SUMMARY) {
1715 		gw_trans->next_id = NULL;
1716 		error = gw_output_repo_tags(gw_trans, header,
1717 		    D_MAXSLCOMMDISP, TAGBRIEF);
1718 		if (error)
1719 			goto done;
1720 	} else {
1721 		error = gw_output_repo_tags(gw_trans, header,
1722 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1723 		if (error)
1724 			goto done;
1725 	}
1726 
1727 	if (gw_trans->next_id || gw_trans->page > 0) {
1728 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1729 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1730 		if (kerr != KCGI_OK)
1731 			goto done;
1732 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1733 		    KATTR_ID, "nav_prev", KATTR__MAX);
1734 		if (kerr != KCGI_OK)
1735 			goto done;
1736 	}
1737 
1738 	if (gw_trans->prev_id) {
1739 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1740 		    KATTRX_STRING, gw_trans->repo_name, "page",
1741 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1742 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1743 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1744 		if (href_prev == NULL) {
1745 			error = got_error_from_errno("khttp_urlpartx");
1746 			goto done;
1747 		}
1748 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1749 		    KATTR_HREF, href_prev, KATTR__MAX);
1750 		if (kerr != KCGI_OK)
1751 			goto done;
1752 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1753 		if (kerr != KCGI_OK)
1754 			goto done;
1755 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1756 		if (kerr != KCGI_OK)
1757 			goto done;
1758 	}
1759 
1760 	if (gw_trans->next_id || gw_trans->page > 0) {
1761 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1762 		if (kerr != KCGI_OK)
1763 			return gw_kcgi_error(kerr);
1764 	}
1765 
1766 	if (gw_trans->next_id) {
1767 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1768 		    KATTR_ID, "nav_next", KATTR__MAX);
1769 		if (kerr != KCGI_OK)
1770 			goto done;
1771 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1772 		    KATTRX_STRING, gw_trans->repo_name, "page",
1773 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1774 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1775 		    gw_trans->next_id, NULL);
1776 		if (href_next == NULL) {
1777 			error = got_error_from_errno("khttp_urlpartx");
1778 			goto done;
1779 		}
1780 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1781 		    KATTR_HREF, href_next, KATTR__MAX);
1782 		if (kerr != KCGI_OK)
1783 			goto done;
1784 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1785 		if (kerr != KCGI_OK)
1786 			goto done;
1787 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1788 		if (kerr != KCGI_OK)
1789 			goto done;
1790 	}
1791 
1792 	if (gw_trans->next_id || gw_trans->page > 0) {
1793 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1794 		if (kerr != KCGI_OK)
1795 			goto done;
1796 	}
1797 done:
1798 	gw_free_header(header);
1799 	free(href_next);
1800 	free(href_prev);
1801 	if (error == NULL && kerr != KCGI_OK)
1802 		error = gw_kcgi_error(kerr);
1803 	return error;
1804 }
1805 
1806 static const struct got_error *
1807 gw_tag(struct gw_trans *gw_trans)
1808 {
1809 	const struct got_error *error = NULL;
1810 	struct gw_header *header = NULL;
1811 	enum kcgi_err kerr = KCGI_OK;
1812 
1813 #ifndef PROFILE
1814 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1815 		return got_error_from_errno("pledge");
1816 #endif
1817 	if ((header = gw_init_header()) == NULL)
1818 		return got_error_from_errno("malloc");
1819 
1820 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1821 	if (error)
1822 		goto done;
1823 
1824 	if (gw_trans->commit_id == NULL) {
1825 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1826 		    "commit required in querystring");
1827 		goto done;
1828 	}
1829 
1830 	error = gw_get_header(gw_trans, header, 1);
1831 	if (error)
1832 		goto done;
1833 
1834 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1835 	    "tag_header_wrapper", KATTR__MAX);
1836 	if (kerr != KCGI_OK)
1837 		goto done;
1838 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1839 	    "tag_header", KATTR__MAX);
1840 	if (kerr != KCGI_OK)
1841 		goto done;
1842 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1843 	    header->refs_str);
1844 	if (error)
1845 		goto done;
1846 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1847 	if (error)
1848 		goto done;
1849 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1850 	if (kerr != KCGI_OK)
1851 		goto done;
1852 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1853 	    "dotted_line", KATTR__MAX);
1854 	if (kerr != KCGI_OK)
1855 		goto done;
1856 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1857 	if (kerr != KCGI_OK)
1858 		goto done;
1859 
1860 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1861 	    "tree", KATTR__MAX);
1862 	if (kerr != KCGI_OK)
1863 		goto done;
1864 
1865 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1866 	if (error)
1867 		goto done;
1868 
1869 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1870 done:
1871 	gw_free_header(header);
1872 	if (error == NULL && kerr != KCGI_OK)
1873 		error = gw_kcgi_error(kerr);
1874 	return error;
1875 }
1876 
1877 static const struct got_error *
1878 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1879 {
1880 	const struct got_error *error = NULL;
1881 	DIR *dt;
1882 	char *dir_test;
1883 	int opened = 0;
1884 
1885 	if (asprintf(&dir_test, "%s/%s/%s",
1886 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1887 	    GOTWEB_GIT_DIR) == -1)
1888 		return got_error_from_errno("asprintf");
1889 
1890 	dt = opendir(dir_test);
1891 	if (dt == NULL) {
1892 		free(dir_test);
1893 	} else {
1894 		gw_dir->path = strdup(dir_test);
1895 		if (gw_dir->path == NULL) {
1896 			opened = 1;
1897 			error = got_error_from_errno("strdup");
1898 			goto errored;
1899 		}
1900 		opened = 1;
1901 		goto done;
1902 	}
1903 
1904 	if (asprintf(&dir_test, "%s/%s/%s",
1905 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1906 	    GOTWEB_GOT_DIR) == -1) {
1907 		dir_test = NULL;
1908 		error = got_error_from_errno("asprintf");
1909 		goto errored;
1910 	}
1911 
1912 	dt = opendir(dir_test);
1913 	if (dt == NULL)
1914 		free(dir_test);
1915 	else {
1916 		opened = 1;
1917 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1918 		goto errored;
1919 	}
1920 
1921 	if (asprintf(&dir_test, "%s/%s",
1922 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1923 		error = got_error_from_errno("asprintf");
1924 		dir_test = NULL;
1925 		goto errored;
1926 	}
1927 
1928 	gw_dir->path = strdup(dir_test);
1929 	if (gw_dir->path == NULL) {
1930 		opened = 1;
1931 		error = got_error_from_errno("strdup");
1932 		goto errored;
1933 	}
1934 
1935 	dt = opendir(dir_test);
1936 	if (dt == NULL) {
1937 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1938 		goto errored;
1939 	} else
1940 		opened = 1;
1941 done:
1942 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1943 	    gw_dir->path);
1944 	if (error)
1945 		goto errored;
1946 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1947 	if (error)
1948 		goto errored;
1949 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1950 	    NULL, TM_DIFF);
1951 	if (error)
1952 		goto errored;
1953 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1954 errored:
1955 	free(dir_test);
1956 	if (opened)
1957 		if (dt && closedir(dt) == -1 && error == NULL)
1958 			error = got_error_from_errno("closedir");
1959 	return error;
1960 }
1961 
1962 static const struct got_error *
1963 gw_load_got_paths(struct gw_trans *gw_trans)
1964 {
1965 	const struct got_error *error = NULL;
1966 	DIR *d;
1967 	struct dirent **sd_dent;
1968 	struct gw_dir *gw_dir;
1969 	struct stat st;
1970 	unsigned int d_cnt, d_i;
1971 
1972 	d = opendir(gw_trans->gw_conf->got_repos_path);
1973 	if (d == NULL) {
1974 		error = got_error_from_errno2("opendir",
1975 		    gw_trans->gw_conf->got_repos_path);
1976 		return error;
1977 	}
1978 
1979 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1980 	    alphasort);
1981 	if (d_cnt == -1) {
1982 		error = got_error_from_errno2("scandir",
1983 		    gw_trans->gw_conf->got_repos_path);
1984 		goto done;
1985 	}
1986 
1987 	for (d_i = 0; d_i < d_cnt; d_i++) {
1988 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1989 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1990 			break; /* account for parent and self */
1991 
1992 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1993 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1994 			continue;
1995 
1996 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1997 		if (error)
1998 			goto done;
1999 
2000 		error = gw_load_got_path(gw_trans, gw_dir);
2001 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
2002 			error = NULL;
2003 			continue;
2004 		} else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
2005 			goto done;
2006 
2007 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2008 		    !got_path_dir_is_empty(gw_dir->path)) {
2009 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2010 			    entry);
2011 			gw_trans->repos_total++;
2012 		}
2013 	}
2014 done:
2015 	if (d && closedir(d) == -1 && error == NULL)
2016 		error = got_error_from_errno("closedir");
2017 	return error;
2018 }
2019 
2020 static const struct got_error *
2021 gw_parse_querystring(struct gw_trans *gw_trans)
2022 {
2023 	const struct got_error *error = NULL;
2024 	struct kpair *p;
2025 	struct gw_query_action *action = NULL;
2026 	unsigned int i;
2027 
2028 	if (gw_trans->gw_req->fieldnmap[0]) {
2029 		return got_error(GOT_ERR_QUERYSTRING);
2030 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2031 		/* define gw_trans->repo_path */
2032 		gw_trans->repo_name = p->parsed.s;
2033 
2034 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2035 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2036 			return got_error_from_errno("asprintf");
2037 
2038 		/* get action and set function */
2039 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2040 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2041 				action = &gw_query_funcs[i];
2042 				if (action->func_name == NULL)
2043 					continue;
2044 				if (strcmp(action->func_name,
2045 				    p->parsed.s) == 0) {
2046 					gw_trans->action = i;
2047 					break;
2048 				}
2049 			}
2050 		}
2051 		if (gw_trans->action == -1) {
2052 			gw_trans->action = GW_ERR;
2053 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2054 			    p != NULL ? "bad action in querystring" :
2055 			    "no action in querystring");
2056 			return error;
2057 		}
2058 
2059 		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2060 			if (asprintf(&gw_trans->commit_id, "%s",
2061 			    p->parsed.s) == -1)
2062 				return got_error_from_errno("asprintf");
2063 		}
2064 
2065 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2066 			gw_trans->repo_file = p->parsed.s;
2067 
2068 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2069 			if (asprintf(&gw_trans->repo_folder, "%s",
2070 			    p->parsed.s) == -1)
2071 				return got_error_from_errno("asprintf");
2072 		}
2073 
2074 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2075 			if (asprintf(&gw_trans->prev_id, "%s",
2076 			    p->parsed.s) == -1)
2077 				return got_error_from_errno("asprintf");
2078 		}
2079 
2080 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2081 			gw_trans->headref = p->parsed.s;
2082 
2083 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2084 		if (error)
2085 			return error;
2086 
2087 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2088 	} else
2089 		gw_trans->action = GW_INDEX;
2090 
2091 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2092 		gw_trans->page = p->parsed.i;
2093 
2094 	return error;
2095 }
2096 
2097 static const struct got_error *
2098 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2099 {
2100 	const struct got_error *error;
2101 
2102 	*gw_dir = malloc(sizeof(**gw_dir));
2103 	if (*gw_dir == NULL)
2104 		return got_error_from_errno("malloc");
2105 
2106 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2107 		error = got_error_from_errno("asprintf");
2108 		free(*gw_dir);
2109 		*gw_dir = NULL;
2110 		return error;
2111 	}
2112 
2113 	return NULL;
2114 }
2115 
2116 static const struct got_error *
2117 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2118 {
2119 	enum kcgi_err kerr = KCGI_OK;
2120 
2121 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2122 	if (kerr != KCGI_OK)
2123 		return gw_kcgi_error(kerr);
2124 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2125 	    khttps[code]);
2126 	if (kerr != KCGI_OK)
2127 		return gw_kcgi_error(kerr);
2128 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2129 	    kmimetypes[mime]);
2130 	if (kerr != KCGI_OK)
2131 		return gw_kcgi_error(kerr);
2132 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2133 	    "nosniff");
2134 	if (kerr != KCGI_OK)
2135 		return gw_kcgi_error(kerr);
2136 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2137 	if (kerr != KCGI_OK)
2138 		return gw_kcgi_error(kerr);
2139 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2140 	    "1; mode=block");
2141 	if (kerr != KCGI_OK)
2142 		return gw_kcgi_error(kerr);
2143 
2144 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2145 		kerr = khttp_head(gw_trans->gw_req,
2146 		    kresps[KRESP_CONTENT_DISPOSITION],
2147 		    "attachment; filename=%s", gw_trans->repo_file);
2148 		if (kerr != KCGI_OK)
2149 			return gw_kcgi_error(kerr);
2150 	}
2151 
2152 	kerr = khttp_body(gw_trans->gw_req);
2153 	return gw_kcgi_error(kerr);
2154 }
2155 
2156 static const struct got_error *
2157 gw_display_index(struct gw_trans *gw_trans)
2158 {
2159 	const struct got_error *error;
2160 	enum kcgi_err kerr = KCGI_OK;
2161 
2162 	/* catch early querystring errors */
2163 	if (gw_trans->error)
2164 		gw_trans->action = GW_ERR;
2165 
2166 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2167 	if (error)
2168 		return error;
2169 
2170 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2171 	if (kerr != KCGI_OK)
2172 		return gw_kcgi_error(kerr);
2173 
2174 	if (gw_trans->action != GW_BLOB) {
2175 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2176 		    gw_query_funcs[gw_trans->action].template);
2177 		if (kerr != KCGI_OK) {
2178 			khtml_close(gw_trans->gw_html_req);
2179 			return gw_kcgi_error(kerr);
2180 		}
2181 	}
2182 
2183 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2184 }
2185 
2186 static const struct got_error *
2187 gw_error(struct gw_trans *gw_trans)
2188 {
2189 	enum kcgi_err kerr = KCGI_OK;
2190 
2191 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2192 
2193 	return gw_kcgi_error(kerr);
2194 }
2195 
2196 static int
2197 gw_template(size_t key, void *arg)
2198 {
2199 	const struct got_error *error = NULL;
2200 	enum kcgi_err kerr = KCGI_OK;
2201 	struct gw_trans *gw_trans = arg;
2202 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2203 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2204 
2205 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2206 	    "/apple-touch-icon.png") == -1)
2207 		goto err;
2208 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2209 	    "/favicon-32x32.png") == -1)
2210 		goto err;
2211 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2212 	    "/favicon-16x16.png") == -1)
2213 		goto err;
2214 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2215 	    "/site.webmanifest") == -1)
2216 		goto err;
2217 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2218 	    "/safari-pinned-tab.svg") == -1)
2219 		goto err;
2220 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2221 	    "/gotweb.css") == -1)
2222 		goto err;
2223 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2224 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2225 	    gw_trans->gw_conf->got_logo) == -1)
2226 		goto err;
2227 
2228 	switch (key) {
2229 	case (TEMPL_HEAD):
2230 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2231 		    KATTR_NAME, "viewport",
2232 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2233 		    KATTR__MAX);
2234 		if (kerr != KCGI_OK)
2235 			return 0;
2236 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2237 		if (kerr != KCGI_OK)
2238 			return 0;
2239 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2240 		    KATTR_CHARSET, "utf-8",
2241 		    KATTR__MAX);
2242 		if (kerr != KCGI_OK)
2243 			return 0;
2244 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2245 		if (kerr != KCGI_OK)
2246 			return 0;
2247 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2248 		    KATTR_NAME, "msapplication-TileColor",
2249 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2250 		if (kerr != KCGI_OK)
2251 			return 0;
2252 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2253 		if (kerr != KCGI_OK)
2254 			return 0;
2255 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2256 		    KATTR_NAME, "theme-color",
2257 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2258 		if (kerr != KCGI_OK)
2259 			return 0;
2260 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2261 		if (kerr != KCGI_OK)
2262 			return 0;
2263 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2264 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2265 		    KATTR_HREF, ati, KATTR__MAX);
2266 		if (kerr != KCGI_OK)
2267 			return 0;
2268 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2269 		if (kerr != KCGI_OK)
2270 			return 0;
2271 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2272 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2273 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2274 		if (kerr != KCGI_OK)
2275 			return 0;
2276 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2277 		if (kerr != KCGI_OK)
2278 			return 0;
2279 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2280 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2281 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2282 		if (kerr != KCGI_OK)
2283 			return 0;
2284 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2285 		if (kerr != KCGI_OK)
2286 			return 0;
2287 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2288 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2289 		    KATTR__MAX);
2290 		if (kerr != KCGI_OK)
2291 			return 0;
2292 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2293 		if (kerr != KCGI_OK)
2294 			return 0;
2295 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2296 		    KATTR_REL, "mask-icon", KATTR_HREF,
2297 		    spt, KATTR__MAX);
2298 		if (kerr != KCGI_OK)
2299 			return 0;
2300 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2301 		if (kerr != KCGI_OK)
2302 			return 0;
2303 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2304 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2305 		    KATTR_HREF, css, KATTR__MAX);
2306 		if (kerr != KCGI_OK)
2307 			return 0;
2308 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2309 		if (kerr != KCGI_OK)
2310 			return 0;
2311 		break;
2312 	case(TEMPL_HEADER):
2313 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2314 		    KATTR_ID, "got_link", KATTR__MAX);
2315 		if (kerr != KCGI_OK)
2316 			return 0;
2317 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2318 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2319 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2320 		if (kerr != KCGI_OK)
2321 			return 0;
2322 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2323 		    KATTR_SRC, logo, KATTR__MAX);
2324 		if (kerr != KCGI_OK)
2325 			return 0;
2326 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2327 		if (kerr != KCGI_OK)
2328 			return 0;
2329 		break;
2330 	case (TEMPL_SITEPATH):
2331 		error = gw_output_site_link(gw_trans);
2332 		if (error)
2333 			return 0;
2334 		break;
2335 	case(TEMPL_TITLE):
2336 		if (gw_trans->gw_conf->got_site_name != NULL) {
2337 			kerr = khtml_puts(gw_trans->gw_html_req,
2338 			    gw_trans->gw_conf->got_site_name);
2339 			if (kerr != KCGI_OK)
2340 				return 0;
2341 		}
2342 		break;
2343 	case (TEMPL_SEARCH):
2344 		break;
2345 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2346 		    "search", KATTR__MAX);
2347 		if (kerr != KCGI_OK)
2348 			return 0;
2349 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2350 			    KATTR_METHOD, "POST", KATTR__MAX);
2351 		if (kerr != KCGI_OK)
2352 			return 0;
2353 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2354 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2355 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2356 		if (kerr != KCGI_OK)
2357 			return 0;
2358 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2359 		    KATTR__MAX);
2360 		if (kerr != KCGI_OK)
2361 			return 0;
2362 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2363 		if (kerr != KCGI_OK)
2364 			return 0;
2365 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2366 		if (kerr != KCGI_OK)
2367 			return 0;
2368 		break;
2369 	case(TEMPL_SITEOWNER):
2370 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2371 		    gw_trans->gw_conf->got_show_site_owner) {
2372 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2373 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2374 			if (kerr != KCGI_OK)
2375 				return 0;
2376 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2377 			    KATTR_ID, "site_owner", KATTR__MAX);
2378 			if (kerr != KCGI_OK)
2379 				return 0;
2380 			kerr = khtml_puts(gw_trans->gw_html_req,
2381 			    gw_trans->gw_conf->got_site_owner);
2382 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2383 			if (kerr != KCGI_OK)
2384 				return 0;
2385 		}
2386 		break;
2387 	case(TEMPL_CONTENT):
2388 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2389 		if (error) {
2390 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2391 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2392 			if (kerr != KCGI_OK)
2393 				return 0;
2394 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2395 			    error->msg);
2396 			if (kerr != KCGI_OK)
2397 				return 0;
2398 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2399 			if (kerr != KCGI_OK)
2400 				return 0;
2401 		}
2402 		break;
2403 	default:
2404 		return 0;
2405 	}
2406 	free(ati);
2407 	free(fic32);
2408 	free(fic16);
2409 	free(swm);
2410 	free(spt);
2411 	free(css);
2412 	free(logo);
2413 	return 1;
2414 err:
2415 	free(ati);
2416 	free(fic32);
2417 	free(fic16);
2418 	free(swm);
2419 	free(spt);
2420 	free(css);
2421 	free(logo);
2422 	return 0;
2423 }
2424 
2425 static const struct got_error *
2426 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2427 {
2428 	const struct got_error *error = NULL;
2429 	enum kcgi_err kerr = KCGI_OK;
2430 
2431 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2432 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2433 	if (kerr != KCGI_OK)
2434 		goto done;
2435 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2436 	if (kerr != KCGI_OK)
2437 		goto done;
2438 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2439 	if (kerr != KCGI_OK)
2440 		goto done;
2441 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2442 	    KATTR_ID, "header_commit", KATTR__MAX);
2443 	if (kerr != KCGI_OK)
2444 		goto done;
2445 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2446 	if (kerr != KCGI_OK)
2447 		goto done;
2448 	if (str2 != NULL) {
2449 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2450 		    KATTR_ID, "refs_str", KATTR__MAX);
2451 		if (kerr != KCGI_OK)
2452 			goto done;
2453 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2454 		if (kerr != KCGI_OK)
2455 			goto done;
2456 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2457 		if (kerr != KCGI_OK)
2458 			goto done;
2459 	}
2460 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2461 done:
2462 	if (error == NULL && kerr != KCGI_OK)
2463 		error = gw_kcgi_error(kerr);
2464 	return error;
2465 }
2466 
2467 static const struct got_error *
2468 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2469 {
2470 	const struct got_error *error = NULL;
2471 	enum kcgi_err kerr = KCGI_OK;
2472 
2473 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2474 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2475 	if (kerr != KCGI_OK)
2476 		goto done;
2477 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2478 	if (kerr != KCGI_OK)
2479 		goto done;
2480 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2481 	if (kerr != KCGI_OK)
2482 		goto done;
2483 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2484 	    KATTR_ID, "header_diff", KATTR__MAX);
2485 	if (kerr != KCGI_OK)
2486 		goto done;
2487 	if (str1 != NULL) {
2488 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2489 		if (kerr != KCGI_OK)
2490 			goto done;
2491 	}
2492 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2493 	if (kerr != KCGI_OK)
2494 		goto done;
2495 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2496 	if (kerr != KCGI_OK)
2497 		goto done;
2498 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2499 done:
2500 	if (error == NULL && kerr != KCGI_OK)
2501 		error = gw_kcgi_error(kerr);
2502 	return error;
2503 }
2504 
2505 static const struct got_error *
2506 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2507 {
2508 	const struct got_error *error = NULL;
2509 	enum kcgi_err kerr = KCGI_OK;
2510 
2511 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2512 	    KATTR_ID, "header_age_title", KATTR__MAX);
2513 	if (kerr != KCGI_OK)
2514 		goto done;
2515 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2516 	if (kerr != KCGI_OK)
2517 		goto done;
2518 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2519 	if (kerr != KCGI_OK)
2520 		goto done;
2521 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2522 	    KATTR_ID, "header_age", KATTR__MAX);
2523 	if (kerr != KCGI_OK)
2524 		goto done;
2525 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2526 	if (kerr != KCGI_OK)
2527 		goto done;
2528 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2529 done:
2530 	if (error == NULL && kerr != KCGI_OK)
2531 		error = gw_kcgi_error(kerr);
2532 	return error;
2533 }
2534 
2535 static const struct got_error *
2536 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2537 {
2538 	const struct got_error *error = NULL;
2539 	enum kcgi_err kerr = KCGI_OK;
2540 
2541 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2542 	    KATTR_ID, "header_author_title", KATTR__MAX);
2543 	if (kerr != KCGI_OK)
2544 		goto done;
2545 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2546 	if (kerr != KCGI_OK)
2547 		goto done;
2548 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2549 	if (kerr != KCGI_OK)
2550 		goto done;
2551 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2552 	    KATTR_ID, "header_author", KATTR__MAX);
2553 	if (kerr != KCGI_OK)
2554 		goto done;
2555 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2556 	if (kerr != KCGI_OK)
2557 		goto done;
2558 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2559 done:
2560 	if (error == NULL && kerr != KCGI_OK)
2561 		error = gw_kcgi_error(kerr);
2562 	return error;
2563 }
2564 
2565 static const struct got_error *
2566 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2567 {
2568 	const struct got_error *error = NULL;
2569 	enum kcgi_err kerr = KCGI_OK;
2570 
2571 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2572 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2573 	if (kerr != KCGI_OK)
2574 		goto done;
2575 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2576 	if (kerr != KCGI_OK)
2577 		goto done;
2578 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2579 	if (kerr != KCGI_OK)
2580 		goto done;
2581 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2582 	    KATTR_ID, "header_committer", KATTR__MAX);
2583 	if (kerr != KCGI_OK)
2584 		goto done;
2585 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2586 	if (kerr != KCGI_OK)
2587 		goto done;
2588 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2589 done:
2590 	if (error == NULL && kerr != KCGI_OK)
2591 		error = gw_kcgi_error(kerr);
2592 	return error;
2593 }
2594 
2595 static const struct got_error *
2596 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2597 {
2598 	const struct got_error *error = NULL;
2599 	enum kcgi_err kerr = KCGI_OK;
2600 
2601 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2602 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2603 	if (kerr != KCGI_OK)
2604 		goto done;
2605 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2606 	if (kerr != KCGI_OK)
2607 		goto done;
2608 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2609 	if (kerr != KCGI_OK)
2610 		goto done;
2611 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2612 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2613 	if (kerr != KCGI_OK)
2614 		goto done;
2615 	kerr = khttp_puts(gw_trans->gw_req, str);
2616 	if (kerr != KCGI_OK)
2617 		goto done;
2618 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2619 done:
2620 	if (error == NULL && kerr != KCGI_OK)
2621 		error = gw_kcgi_error(kerr);
2622 	return error;
2623 }
2624 
2625 static const struct got_error *
2626 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2627 {
2628 	const struct got_error *error = NULL;
2629 	enum kcgi_err kerr = KCGI_OK;
2630 
2631 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2632 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2633 	if (kerr != KCGI_OK)
2634 		goto done;
2635 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2636 	if (kerr != KCGI_OK)
2637 		goto done;
2638 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2639 	if (kerr != KCGI_OK)
2640 		goto done;
2641 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2642 	    KATTR_ID, "header_tree", KATTR__MAX);
2643 	if (kerr != KCGI_OK)
2644 		goto done;
2645 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2646 	if (kerr != KCGI_OK)
2647 		goto done;
2648 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2649 done:
2650 	if (error == NULL && kerr != KCGI_OK)
2651 		error = gw_kcgi_error(kerr);
2652 	return error;
2653 }
2654 
2655 static const struct got_error *
2656 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2657     char *dir)
2658 {
2659 	const struct got_error *error = NULL;
2660 	FILE *f = NULL;
2661 	char *d_file = NULL;
2662 	unsigned int len;
2663 	size_t n;
2664 
2665 	*description = NULL;
2666 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2667 		return NULL;
2668 
2669 	if (asprintf(&d_file, "%s/description", dir) == -1)
2670 		return got_error_from_errno("asprintf");
2671 
2672 	f = fopen(d_file, "re");
2673 	if (f == NULL) {
2674 		if (errno == ENOENT || errno == EACCES)
2675 			return NULL;
2676 		error = got_error_from_errno2("fopen", d_file);
2677 		goto done;
2678 	}
2679 
2680 	if (fseek(f, 0, SEEK_END) == -1) {
2681 		error = got_ferror(f, GOT_ERR_IO);
2682 		goto done;
2683 	}
2684 	len = ftell(f);
2685 	if (len == -1) {
2686 		error = got_ferror(f, GOT_ERR_IO);
2687 		goto done;
2688 	}
2689 	if (fseek(f, 0, SEEK_SET) == -1) {
2690 		error = got_ferror(f, GOT_ERR_IO);
2691 		goto done;
2692 	}
2693 	*description = calloc(len + 1, sizeof(**description));
2694 	if (*description == NULL) {
2695 		error = got_error_from_errno("calloc");
2696 		goto done;
2697 	}
2698 
2699 	n = fread(*description, 1, len, f);
2700 	if (n == 0 && ferror(f))
2701 		error = got_ferror(f, GOT_ERR_IO);
2702 done:
2703 	if (f != NULL && fclose(f) == EOF && error == NULL)
2704 		error = got_error_from_errno("fclose");
2705 	free(d_file);
2706 	return error;
2707 }
2708 
2709 static const struct got_error *
2710 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2711 {
2712 	struct tm tm;
2713 	time_t diff_time;
2714 	char *years = "years ago", *months = "months ago";
2715 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2716 	char *minutes = "minutes ago", *seconds = "seconds ago";
2717 	char *now = "right now";
2718 	char *s;
2719 	char datebuf[29];
2720 
2721 	*repo_age = NULL;
2722 
2723 	switch (ref_tm) {
2724 	case TM_DIFF:
2725 		diff_time = time(NULL) - committer_time;
2726 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2727 			if (asprintf(repo_age, "%lld %s",
2728 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2729 				return got_error_from_errno("asprintf");
2730 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2731 			if (asprintf(repo_age, "%lld %s",
2732 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2733 			    months) == -1)
2734 				return got_error_from_errno("asprintf");
2735 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2736 			if (asprintf(repo_age, "%lld %s",
2737 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2738 				return got_error_from_errno("asprintf");
2739 		} else if (diff_time > 60 * 60 * 24 * 2) {
2740 			if (asprintf(repo_age, "%lld %s",
2741 			    (diff_time / 60 / 60 / 24), days) == -1)
2742 				return got_error_from_errno("asprintf");
2743 		} else if (diff_time > 60 * 60 * 2) {
2744 			if (asprintf(repo_age, "%lld %s",
2745 			    (diff_time / 60 / 60), hours) == -1)
2746 				return got_error_from_errno("asprintf");
2747 		} else if (diff_time > 60 * 2) {
2748 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2749 			    minutes) == -1)
2750 				return got_error_from_errno("asprintf");
2751 		} else if (diff_time > 2) {
2752 			if (asprintf(repo_age, "%lld %s", diff_time,
2753 			    seconds) == -1)
2754 				return got_error_from_errno("asprintf");
2755 		} else {
2756 			if (asprintf(repo_age, "%s", now) == -1)
2757 				return got_error_from_errno("asprintf");
2758 		}
2759 		break;
2760 	case TM_LONG:
2761 		if (gmtime_r(&committer_time, &tm) == NULL)
2762 			return got_error_from_errno("gmtime_r");
2763 
2764 		s = asctime_r(&tm, datebuf);
2765 		if (s == NULL)
2766 			return got_error_from_errno("asctime_r");
2767 
2768 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2769 			return got_error_from_errno("asprintf");
2770 		break;
2771 	}
2772 	return NULL;
2773 }
2774 
2775 static const struct got_error *
2776 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2777     const char *refname, int ref_tm)
2778 {
2779 	const struct got_error *error = NULL;
2780 	struct got_repository *repo = NULL;
2781 	struct got_commit_object *commit = NULL;
2782 	struct got_reflist_head refs;
2783 	struct got_reflist_entry *re;
2784 	time_t committer_time = 0, cmp_time = 0;
2785 
2786 	*repo_age = NULL;
2787 	TAILQ_INIT(&refs);
2788 
2789 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2790 		return NULL;
2791 
2792 	if (gw_trans->repo)
2793 		repo = gw_trans->repo;
2794 	else {
2795 		error = got_repo_open(&repo, dir, NULL);
2796 		if (error)
2797 			return error;
2798 	}
2799 
2800 	error = got_ref_list(&refs, repo, "refs/heads",
2801 	    got_ref_cmp_by_name, NULL);
2802 	if (error)
2803 		goto done;
2804 
2805 	/*
2806 	 * Find the youngest branch tip in the repository, or the age of
2807 	 * the a specific branch tip if a name was provided by the caller.
2808 	 */
2809 	TAILQ_FOREACH(re, &refs, entry) {
2810 		struct got_object_id *id = NULL;
2811 
2812 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2813 			continue;
2814 
2815 		error = got_ref_resolve(&id, repo, re->ref);
2816 		if (error)
2817 			goto done;
2818 
2819 		error = got_object_open_as_commit(&commit, repo, id);
2820 		free(id);
2821 		if (error)
2822 			goto done;
2823 
2824 		committer_time =
2825 		    got_object_commit_get_committer_time(commit);
2826 		got_object_commit_close(commit);
2827 		if (cmp_time < committer_time)
2828 			cmp_time = committer_time;
2829 
2830 		if (refname)
2831 			break;
2832 	}
2833 
2834 	if (cmp_time != 0) {
2835 		committer_time = cmp_time;
2836 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2837 	}
2838 done:
2839 	got_ref_list_free(&refs);
2840 	if (gw_trans->repo == NULL) {
2841 		const struct got_error *close_err = got_repo_close(repo);
2842 		if (error == NULL)
2843 			error = close_err;
2844 	}
2845 	return error;
2846 }
2847 
2848 static const struct got_error *
2849 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2850 {
2851 	const struct got_error *error;
2852 	FILE *f = NULL;
2853 	struct got_object_id *id1 = NULL, *id2 = NULL;
2854 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2855 	int obj_type;
2856 	size_t linesize = 0;
2857 	ssize_t linelen;
2858 	enum kcgi_err kerr = KCGI_OK;
2859 
2860 	f = got_opentemp();
2861 	if (f == NULL)
2862 		return NULL;
2863 
2864 	if (header->parent_id != NULL &&
2865 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2866 		error = got_repo_match_object_id(&id1, &label1,
2867 			header->parent_id, GOT_OBJ_TYPE_ANY,
2868 			&header->refs, gw_trans->repo);
2869 		if (error)
2870 			goto done;
2871 	}
2872 
2873 	error = got_repo_match_object_id(&id2, &label2,
2874 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2875 	    gw_trans->repo);
2876 	if (error)
2877 		goto done;
2878 
2879 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2880 	if (error)
2881 		goto done;
2882 	switch (obj_type) {
2883 	case GOT_OBJ_TYPE_BLOB:
2884 		error = got_diff_objects_as_blobs(NULL, NULL, id1, id2,
2885 		    NULL, NULL, 3, 0, 0, gw_trans->repo, f);
2886 		break;
2887 	case GOT_OBJ_TYPE_TREE:
2888 		error = got_diff_objects_as_trees(NULL, NULL, id1, id2,
2889 		    NULL, "", "", 3, 0, 0, gw_trans->repo, f);
2890 		break;
2891 	case GOT_OBJ_TYPE_COMMIT:
2892 		error = got_diff_objects_as_commits(NULL, NULL, id1, id2,
2893 		    NULL, 3, 0, 0, gw_trans->repo, f);
2894 		break;
2895 	default:
2896 		error = got_error(GOT_ERR_OBJ_TYPE);
2897 	}
2898 	if (error)
2899 		goto done;
2900 
2901 	if (fseek(f, 0, SEEK_SET) == -1) {
2902 		error = got_ferror(f, GOT_ERR_IO);
2903 		goto done;
2904 	}
2905 
2906 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2907 		error = gw_colordiff_line(gw_trans, line);
2908 		if (error)
2909 			goto done;
2910 		/* XXX: KHTML_PRETTY breaks this */
2911 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2912 		if (kerr != KCGI_OK)
2913 			goto done;
2914 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2915 		if (kerr != KCGI_OK)
2916 			goto done;
2917 	}
2918 	if (linelen == -1 && ferror(f))
2919 		error = got_error_from_errno("getline");
2920 done:
2921 	if (f && fclose(f) == EOF && error == NULL)
2922 		error = got_error_from_errno("fclose");
2923 	free(line);
2924 	free(label1);
2925 	free(label2);
2926 	free(id1);
2927 	free(id2);
2928 
2929 	if (error == NULL && kerr != KCGI_OK)
2930 		error = gw_kcgi_error(kerr);
2931 	return error;
2932 }
2933 
2934 static const struct got_error *
2935 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2936 {
2937 	const struct got_error *error = NULL, *close_err;
2938 	struct got_repository *repo;
2939 	const char *gitconfig_owner;
2940 
2941 	*owner = NULL;
2942 
2943 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2944 		return NULL;
2945 
2946 	error = got_repo_open(&repo, dir, NULL);
2947 	if (error)
2948 		return error;
2949 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2950 	if (gitconfig_owner) {
2951 		*owner = strdup(gitconfig_owner);
2952 		if (*owner == NULL)
2953 			error = got_error_from_errno("strdup");
2954 	}
2955 	close_err = got_repo_close(repo);
2956 	if (error == NULL)
2957 		error = close_err;
2958 	return error;
2959 }
2960 
2961 static const struct got_error *
2962 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2963 {
2964 	const struct got_error *error = NULL;
2965 	FILE *f;
2966 	char *d_file = NULL;
2967 	unsigned int len;
2968 	size_t n;
2969 
2970 	*url = NULL;
2971 
2972 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2973 		return got_error_from_errno("asprintf");
2974 
2975 	f = fopen(d_file, "re");
2976 	if (f == NULL) {
2977 		if (errno != ENOENT && errno != EACCES)
2978 			error = got_error_from_errno2("fopen", d_file);
2979 		goto done;
2980 	}
2981 
2982 	if (fseek(f, 0, SEEK_END) == -1) {
2983 		error = got_ferror(f, GOT_ERR_IO);
2984 		goto done;
2985 	}
2986 	len = ftell(f);
2987 	if (len == -1) {
2988 		error = got_ferror(f, GOT_ERR_IO);
2989 		goto done;
2990 	}
2991 	if (fseek(f, 0, SEEK_SET) == -1) {
2992 		error = got_ferror(f, GOT_ERR_IO);
2993 		goto done;
2994 	}
2995 
2996 	*url = calloc(len + 1, sizeof(**url));
2997 	if (*url == NULL) {
2998 		error = got_error_from_errno("calloc");
2999 		goto done;
3000 	}
3001 
3002 	n = fread(*url, 1, len, f);
3003 	if (n == 0 && ferror(f))
3004 		error = got_ferror(f, GOT_ERR_IO);
3005 done:
3006 	if (f && fclose(f) == EOF && error == NULL)
3007 		error = got_error_from_errno("fclose");
3008 	free(d_file);
3009 	return NULL;
3010 }
3011 
3012 static const struct got_error *
3013 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3014     int limit, int tag_type)
3015 {
3016 	const struct got_error *error = NULL;
3017 	struct got_reflist_head refs;
3018 	struct got_reflist_entry *re;
3019 	char *age = NULL;
3020 	char *id_str = NULL, *newline, *href_commits = NULL;
3021 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3022 	struct got_tag_object *tag = NULL;
3023 	enum kcgi_err kerr = KCGI_OK;
3024 	int summary_header_displayed = 0, chk_next = 0;
3025 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3026 
3027 	TAILQ_INIT(&refs);
3028 
3029 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3030 	    got_ref_cmp_tags, gw_trans->repo);
3031 	if (error)
3032 		goto done;
3033 
3034 	TAILQ_FOREACH(re, &refs, entry) {
3035 		const char *refname;
3036 		const char *tagger;
3037 		const char *tag_commit;
3038 		time_t tagger_time;
3039 		struct got_object_id *id;
3040 		struct got_commit_object *commit = NULL;
3041 
3042 		refname = got_ref_get_name(re->ref);
3043 		if (strncmp(refname, "refs/tags/", 10) != 0)
3044 			continue;
3045 		refname += 10;
3046 
3047 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3048 		if (error)
3049 			goto done;
3050 
3051 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3052 		if (error) {
3053 			if (error->code != GOT_ERR_OBJ_TYPE) {
3054 				free(id);
3055 				goto done;
3056 			}
3057 			/* "lightweight" tag */
3058 			error = got_object_open_as_commit(&commit,
3059 			    gw_trans->repo, id);
3060 			if (error) {
3061 				free(id);
3062 				goto done;
3063 			}
3064 			tagger = got_object_commit_get_committer(commit);
3065 			tagger_time =
3066 			    got_object_commit_get_committer_time(commit);
3067 			error = got_object_id_str(&id_str, id);
3068 			free(id);
3069 		} else {
3070 			free(id);
3071 			tagger = got_object_tag_get_tagger(tag);
3072 			tagger_time = got_object_tag_get_tagger_time(tag);
3073 			error = got_object_id_str(&id_str,
3074 			    got_object_tag_get_object_id(tag));
3075 		}
3076 		if (error)
3077 			goto done;
3078 
3079 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3080 		    strlen(id_str)) != 0)
3081 			continue;
3082 
3083 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3084 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3085 		    strlen(id_str)) != 0)
3086 			continue;
3087 		else
3088 			commit_found = 1;
3089 
3090 		tag_count++;
3091 
3092 		if (chk_next) {
3093 			gw_trans->next_id = strdup(id_str);
3094 			if (gw_trans->next_id == NULL)
3095 				error = got_error_from_errno("strdup");
3096 			goto prev;
3097 		}
3098 
3099 		if (commit) {
3100 			error = got_object_commit_get_logmsg(&tag_commit0,
3101 			    commit);
3102 			if (error)
3103 				goto done;
3104 			got_object_commit_close(commit);
3105 		} else {
3106 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3107 			if (tag_commit0 == NULL) {
3108 				error = got_error_from_errno("strdup");
3109 				goto done;
3110 			}
3111 		}
3112 
3113 		tag_commit = tag_commit0;
3114 		while (*tag_commit == '\n')
3115 			tag_commit++;
3116 
3117 		switch (tag_type) {
3118 		case TAGBRIEF:
3119 			newline = strchr(tag_commit, '\n');
3120 			if (newline)
3121 				*newline = '\0';
3122 
3123 			if (summary_header_displayed == 0) {
3124 				kerr = khtml_attr(gw_trans->gw_html_req,
3125 				    KELEM_DIV, KATTR_ID,
3126 				    "summary_tags_title_wrapper", KATTR__MAX);
3127 				if (kerr != KCGI_OK)
3128 					goto done;
3129 				kerr = khtml_attr(gw_trans->gw_html_req,
3130 				    KELEM_DIV, KATTR_ID,
3131 				    "summary_tags_title", KATTR__MAX);
3132 				if (kerr != KCGI_OK)
3133 					goto done;
3134 				kerr = khtml_puts(gw_trans->gw_html_req,
3135 				    "Tags");
3136 				if (kerr != KCGI_OK)
3137 					goto done;
3138 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3139 				    2);
3140 				if (kerr != KCGI_OK)
3141 					goto done;
3142 				kerr = khtml_attr(gw_trans->gw_html_req,
3143 				    KELEM_DIV, KATTR_ID,
3144 				    "summary_tags_content", KATTR__MAX);
3145 				if (kerr != KCGI_OK)
3146 					goto done;
3147 				summary_header_displayed = 1;
3148 			}
3149 
3150 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3151 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3152 			if (kerr != KCGI_OK)
3153 				goto done;
3154 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3155 			    KATTR_ID, "tag_age", KATTR__MAX);
3156 			if (kerr != KCGI_OK)
3157 				goto done;
3158 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3159 			if (error)
3160 				goto done;
3161 			kerr = khtml_puts(gw_trans->gw_html_req,
3162 			    age ? age : "");
3163 			if (kerr != KCGI_OK)
3164 				goto done;
3165 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3166 			if (kerr != KCGI_OK)
3167 				goto done;
3168 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3169 			    KATTR_ID, "tag", KATTR__MAX);
3170 			if (kerr != KCGI_OK)
3171 				goto done;
3172 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3173 			if (kerr != KCGI_OK)
3174 				goto done;
3175 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3176 			if (kerr != KCGI_OK)
3177 				goto done;
3178 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3179 			    KATTR_ID, "tag_name", KATTR__MAX);
3180 			if (kerr != KCGI_OK)
3181 				goto done;
3182 
3183 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3184 			    gw_trans->repo_name, "action", "tag", "commit",
3185 			    id_str, NULL);
3186 			if (href_tag == NULL) {
3187 				error = got_error_from_errno("khttp_urlpart");
3188 				goto done;
3189 			}
3190 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3191 			    KATTR_HREF, href_tag, KATTR__MAX);
3192 			if (kerr != KCGI_OK)
3193 				goto done;
3194 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3195 			if (kerr != KCGI_OK)
3196 				goto done;
3197 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3198 			if (kerr != KCGI_OK)
3199 				goto done;
3200 
3201 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3202 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3203 			if (kerr != KCGI_OK)
3204 				goto done;
3205 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3206 			    KATTR_ID, "navs", KATTR__MAX);
3207 			if (kerr != KCGI_OK)
3208 				goto done;
3209 
3210 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3211 			    KATTR_HREF, href_tag, KATTR__MAX);
3212 			if (kerr != KCGI_OK)
3213 				goto done;
3214 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3215 			if (kerr != KCGI_OK)
3216 				goto done;
3217 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3218 			if (kerr != KCGI_OK)
3219 				goto done;
3220 
3221 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3222 			if (kerr != KCGI_OK)
3223 				goto done;
3224 
3225 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3226 			    "path", gw_trans->repo_name, "action", "briefs",
3227 			    "commit", id_str, NULL);
3228 			if (href_briefs == NULL) {
3229 				error = got_error_from_errno("khttp_urlpart");
3230 				goto done;
3231 			}
3232 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3233 			    KATTR_HREF, href_briefs, KATTR__MAX);
3234 			if (kerr != KCGI_OK)
3235 				goto done;
3236 			kerr = khtml_puts(gw_trans->gw_html_req,
3237 			    "commit briefs");
3238 			if (kerr != KCGI_OK)
3239 				goto done;
3240 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3241 			if (kerr != KCGI_OK)
3242 				goto done;
3243 
3244 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3245 			if (kerr != KCGI_OK)
3246 				goto done;
3247 
3248 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3249 			    "path", gw_trans->repo_name, "action", "commits",
3250 			    "commit", id_str, NULL);
3251 			if (href_commits == NULL) {
3252 				error = got_error_from_errno("khttp_urlpart");
3253 				goto done;
3254 			}
3255 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3256 			    KATTR_HREF, href_commits, KATTR__MAX);
3257 			if (kerr != KCGI_OK)
3258 				goto done;
3259 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3260 			if (kerr != KCGI_OK)
3261 				goto done;
3262 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3263 			if (kerr != KCGI_OK)
3264 				goto done;
3265 
3266 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3267 			    KATTR_ID, "dotted_line", KATTR__MAX);
3268 			if (kerr != KCGI_OK)
3269 				goto done;
3270 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3271 			if (kerr != KCGI_OK)
3272 				goto done;
3273 			break;
3274 		case TAGFULL:
3275 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3276 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3277 			if (kerr != KCGI_OK)
3278 				goto done;
3279 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3280 			if (kerr != KCGI_OK)
3281 				goto done;
3282 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3283 			if (kerr != KCGI_OK)
3284 				goto done;
3285 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3286 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3287 			if (kerr != KCGI_OK)
3288 				goto done;
3289 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3290 			if (error)
3291 				goto done;
3292 			kerr = khtml_puts(gw_trans->gw_html_req,
3293 			    age ? age : "");
3294 			if (kerr != KCGI_OK)
3295 				goto done;
3296 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3297 			if (kerr != KCGI_OK)
3298 				goto done;
3299 
3300 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3301 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3302 			if (kerr != KCGI_OK)
3303 				goto done;
3304 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3305 			if (kerr != KCGI_OK)
3306 				goto done;
3307 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3308 			if (kerr != KCGI_OK)
3309 				goto done;
3310 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3311 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3312 			if (kerr != KCGI_OK)
3313 				goto done;
3314 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3315 			if (kerr != KCGI_OK)
3316 				goto done;
3317 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3318 			if (kerr != KCGI_OK)
3319 				goto done;
3320 
3321 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3322 			    KATTR_ID, "tag_info", KATTR__MAX);
3323 			if (kerr != KCGI_OK)
3324 				goto done;
3325 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3326 			if (kerr != KCGI_OK)
3327 				goto done;
3328 			break;
3329 		default:
3330 			break;
3331 		}
3332 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3333 		if (kerr != KCGI_OK)
3334 			goto done;
3335 
3336 		if (limit && --limit == 0)
3337 			chk_next = 1;
3338 
3339 		if (tag)
3340 			got_object_tag_close(tag);
3341 		tag = NULL;
3342 		free(id_str);
3343 		id_str = NULL;
3344 		free(age);
3345 		age = NULL;
3346 		free(tag_commit0);
3347 		tag_commit0 = NULL;
3348 		free(href_tag);
3349 		href_tag = NULL;
3350 		free(href_briefs);
3351 		href_briefs = NULL;
3352 		free(href_commits);
3353 		href_commits = NULL;
3354 	}
3355 	if (tag_count == 0) {
3356 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3357 		    "summary_tags_title_wrapper", KATTR__MAX);
3358 		if (kerr != KCGI_OK)
3359 			goto done;
3360 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3361 		    "summary_tags_title", KATTR__MAX);
3362 		if (kerr != KCGI_OK)
3363 			goto done;
3364 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3365 		if (kerr != KCGI_OK)
3366 			goto done;
3367 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3368 		if (kerr != KCGI_OK)
3369 			goto done;
3370 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3371 		    "summary_tags_content", KATTR__MAX);
3372 		if (kerr != KCGI_OK)
3373 			goto done;
3374 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3375 		    "tags_info", KATTR__MAX);
3376 		if (kerr != KCGI_OK)
3377 			goto done;
3378 		kerr = khttp_puts(gw_trans->gw_req,
3379 		    "There are no tags for this repo.");
3380 		if (kerr != KCGI_OK)
3381 			goto done;
3382 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3383 		goto done;
3384 	}
3385 prev:
3386 	commit_found = 0;
3387 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3388 		const char *refname;
3389 		const char *tagger;
3390 		time_t tagger_time;
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 			tagger = got_object_commit_get_committer(commit);
3417 			tagger_time =
3418 			    got_object_commit_get_committer_time(commit);
3419 			error = got_object_id_str(&id_str, id);
3420 			free(id);
3421 		} else {
3422 			free(id);
3423 			tagger = got_object_tag_get_tagger(tag);
3424 			tagger_time = got_object_tag_get_tagger_time(tag);
3425 			error = got_object_id_str(&id_str,
3426 			    got_object_tag_get_object_id(tag));
3427 		}
3428 		if (error)
3429 			goto done;
3430 
3431 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3432 		    strlen(id_str)) != 0)
3433 			continue;
3434 
3435 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3436 		    gw_trans->commit_id  != NULL &&
3437 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3438 			continue;
3439 		else
3440 			commit_found = 1;
3441 
3442 		if (gw_trans->commit_id != NULL &&
3443 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3444 		    (re == TAILQ_FIRST(&refs) ||
3445 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3446 			gw_trans->prev_id = strdup(id_str);
3447 			if (gw_trans->prev_id == NULL) {
3448 				error = got_error_from_errno("strdup");
3449 				goto done;
3450 			}
3451 			break;
3452 		}
3453 		c_cnt++;
3454 	}
3455 done:
3456 	if (tag)
3457 		got_object_tag_close(tag);
3458 	free(id_str);
3459 	free(age);
3460 	free(tag_commit0);
3461 	free(href_tag);
3462 	free(href_briefs);
3463 	free(href_commits);
3464 	got_ref_list_free(&refs);
3465 	if (error == NULL && kerr != KCGI_OK)
3466 		error = gw_kcgi_error(kerr);
3467 	return error;
3468 }
3469 
3470 static void
3471 gw_free_header(struct gw_header *header)
3472 {
3473 	free(header->path);
3474 	free(header->author);
3475 	free(header->committer);
3476 	free(header->refs_str);
3477 	free(header->commit_id);
3478 	free(header->parent_id);
3479 	free(header->tree_id);
3480 	free(header->commit_msg);
3481 }
3482 
3483 static struct gw_header *
3484 gw_init_header()
3485 {
3486 	struct gw_header *header;
3487 
3488 	header = malloc(sizeof(*header));
3489 	if (header == NULL)
3490 		return NULL;
3491 
3492 	header->path = NULL;
3493 	TAILQ_INIT(&header->refs);
3494 
3495 	header->refs_str = NULL;
3496 	header->commit_id = NULL;
3497 	header->committer = NULL;
3498 	header->author = NULL;
3499 	header->parent_id = NULL;
3500 	header->tree_id = NULL;
3501 	header->commit_msg = NULL;
3502 
3503 	return header;
3504 }
3505 
3506 static const struct got_error *
3507 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3508     int limit, struct got_object_id *id)
3509 {
3510 	const struct got_error *error = NULL;
3511 	struct got_commit_graph *graph = NULL;
3512 	struct got_commit_object *commit = NULL;
3513 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3514 	struct gw_header *t_header = NULL;
3515 
3516 	error = got_commit_graph_open(&graph, header->path, 0);
3517 	if (error)
3518 		return error;
3519 
3520 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3521 	    NULL);
3522 	if (error)
3523 		goto err;
3524 
3525 	for (;;) {
3526 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3527 		    NULL, NULL);
3528 		if (error) {
3529 			if (error->code == GOT_ERR_ITER_COMPLETED)
3530 				error = NULL;
3531 			goto done;
3532 		}
3533 		if (id == NULL)
3534 			goto err;
3535 
3536 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3537 		if (error)
3538 			goto err;
3539 		if (limit == 1 && chk_multi == 0 &&
3540 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3541 			error = gw_get_commit(gw_trans, header, commit, id);
3542 			if (error)
3543 				goto err;
3544 			commit_found = 1;
3545 		} else {
3546 			chk_multi = 1;
3547 			struct gw_header *n_header = NULL;
3548 			if ((n_header = gw_init_header()) == NULL) {
3549 				error = got_error_from_errno("malloc");
3550 				goto err;
3551 			}
3552 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3553 			    entry);
3554 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3555 			    NULL, got_ref_cmp_by_name, NULL);
3556 			if (error)
3557 				goto err;
3558 
3559 			error = gw_get_commit(gw_trans, n_header, commit, id);
3560 			if (error)
3561 				goto err;
3562 			got_ref_list_free(&n_header->refs);
3563 
3564 			if (gw_trans->commit_id != NULL) {
3565 				if (strcmp(gw_trans->commit_id,
3566 				    n_header->commit_id) == 0)
3567 					commit_found = 1;
3568 			} else
3569 				commit_found = 1;
3570 
3571 			/*
3572 			 * check for one more commit before breaking,
3573 			 * so we know whether to navicate through gw_briefs
3574 			 * gw_commits and gw_summary
3575 			 */
3576 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3577 			    gw_trans->action == GW_COMMITS ||
3578 			    gw_trans->action == GW_SUMMARY)) {
3579 				gw_trans->next_id = strdup(n_header->commit_id);
3580 				if (gw_trans->next_id == NULL)
3581 					error = got_error_from_errno("strdup");
3582 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3583 				    entry);
3584 				goto done;
3585 			}
3586 
3587 		}
3588 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3589 			if (chk_multi == 0)
3590 				break;
3591 			chk_next = 1;
3592 		}
3593 	}
3594 done:
3595 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3596 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS)) {
3597 		commit_found = 0;
3598 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3599 		    headers, entry) {
3600 			if (commit_found == 0 &&
3601 			    strcmp(gw_trans->commit_id,
3602 			    t_header->commit_id) != 0)
3603 				continue;
3604 			else
3605 				commit_found = 1;
3606 			if (gw_trans->commit_id != NULL &&
3607 			    strcmp(gw_trans->commit_id,
3608 			    t_header->commit_id) != 0 &&
3609 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3610 			    || t_header ==
3611 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3612 				gw_trans->prev_id = strdup(t_header->commit_id);
3613 				if (gw_trans->prev_id == NULL)
3614 					error = got_error_from_errno("strdup");
3615 				break;
3616 			}
3617 			c_cnt++;
3618 		}
3619 	}
3620 err:
3621 	if (commit != NULL)
3622 		got_object_commit_close(commit);
3623 	if (graph)
3624 		got_commit_graph_close(graph);
3625 	return error;
3626 }
3627 
3628 static const struct got_error *
3629 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3630     struct got_commit_object *commit, struct got_object_id *id)
3631 {
3632 	const struct got_error *error = NULL;
3633 	struct got_reflist_entry *re;
3634 	struct got_object_id *id2 = NULL;
3635 	struct got_object_qid *parent_id;
3636 	char *commit_msg = NULL, *commit_msg0;
3637 
3638 	/*print commit*/
3639 	TAILQ_FOREACH(re, &header->refs, entry) {
3640 		char *s;
3641 		const char *name;
3642 		struct got_tag_object *tag = NULL;
3643 		struct got_object_id *ref_id;
3644 		int cmp;
3645 
3646 		if (got_ref_is_symbolic(re->ref))
3647 			continue;
3648 
3649 		name = got_ref_get_name(re->ref);
3650 		if (strncmp(name, "refs/", 5) == 0)
3651 			name += 5;
3652 		if (strncmp(name, "got/", 4) == 0)
3653 			continue;
3654 		if (strncmp(name, "heads/", 6) == 0)
3655 			name += 6;
3656 		if (strncmp(name, "remotes/", 8) == 0) {
3657 			name += 8;
3658 			s = strstr(name, "/" GOT_REF_HEAD);
3659 			if (s != NULL && s[strlen(s)] == '\0')
3660 				continue;
3661 		}
3662 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3663 		if (error)
3664 			return error;
3665 		if (strncmp(name, "tags/", 5) == 0) {
3666 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3667 			    ref_id);
3668 			if (error) {
3669 				if (error->code != GOT_ERR_OBJ_TYPE) {
3670 					free(ref_id);
3671 					continue;
3672 				}
3673 				/*
3674 				 * Ref points at something other
3675 				 * than a tag.
3676 				 */
3677 				error = NULL;
3678 				tag = NULL;
3679 			}
3680 		}
3681 		cmp = got_object_id_cmp(tag ?
3682 		    got_object_tag_get_object_id(tag) : ref_id, id);
3683 		free(ref_id);
3684 		if (tag)
3685 			got_object_tag_close(tag);
3686 		if (cmp != 0)
3687 			continue;
3688 		s = header->refs_str;
3689 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3690 		    s ? ", " : "", name) == -1) {
3691 			error = got_error_from_errno("asprintf");
3692 			free(s);
3693 			header->refs_str = NULL;
3694 			return error;
3695 		}
3696 		free(s);
3697 	}
3698 
3699 	error = got_object_id_str(&header->commit_id, id);
3700 	if (error)
3701 		return error;
3702 
3703 	error = got_object_id_str(&header->tree_id,
3704 	    got_object_commit_get_tree_id(commit));
3705 	if (error)
3706 		return error;
3707 
3708 	if (gw_trans->action == GW_DIFF) {
3709 		parent_id = STAILQ_FIRST(
3710 		    got_object_commit_get_parent_ids(commit));
3711 		if (parent_id != NULL) {
3712 			id2 = got_object_id_dup(parent_id->id);
3713 			free (parent_id);
3714 			error = got_object_id_str(&header->parent_id, id2);
3715 			if (error)
3716 				return error;
3717 			free(id2);
3718 		} else {
3719 			header->parent_id = strdup("/dev/null");
3720 			if (header->parent_id == NULL) {
3721 				error = got_error_from_errno("strdup");
3722 				return error;
3723 			}
3724 		}
3725 	}
3726 
3727 	header->committer_time =
3728 	    got_object_commit_get_committer_time(commit);
3729 
3730 	header->author =
3731 	    strdup(got_object_commit_get_author(commit));
3732 	if (header->author == NULL) {
3733 		error = got_error_from_errno("strdup");
3734 		return error;
3735 	}
3736 	header->committer =
3737 	    strdup(got_object_commit_get_committer(commit));
3738 	if (header->committer == NULL) {
3739 		error = got_error_from_errno("strdup");
3740 		return error;
3741 	}
3742 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3743 	if (error)
3744 		return error;
3745 
3746 	commit_msg = commit_msg0;
3747 	while (*commit_msg == '\n')
3748 		commit_msg++;
3749 
3750 	header->commit_msg = strdup(commit_msg);
3751 	if (header->commit_msg == NULL)
3752 		error = got_error_from_errno("strdup");
3753 	free(commit_msg0);
3754 	return error;
3755 }
3756 
3757 static const struct got_error *
3758 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3759 {
3760 	const struct got_error *error = NULL;
3761 	char *in_repo_path = NULL;
3762 	struct got_object_id *id = NULL;
3763 	struct got_reference *ref;
3764 
3765 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3766 	if (error)
3767 		return error;
3768 
3769 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3770 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3771 	    gw_trans->action == GW_TAGS) {
3772 		error = got_ref_open(&ref, gw_trans->repo,
3773 		    gw_trans->headref, 0);
3774 		if (error)
3775 			return error;
3776 
3777 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3778 		got_ref_close(ref);
3779 		if (error)
3780 			return error;
3781 	} else {
3782 		error = got_ref_open(&ref, gw_trans->repo,
3783 		    gw_trans->commit_id, 0);
3784 		if (error == NULL) {
3785 			int obj_type;
3786 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3787 			got_ref_close(ref);
3788 			if (error)
3789 				return error;
3790 			error = got_object_get_type(&obj_type, gw_trans->repo,
3791 			    id);
3792 			if (error)
3793 				goto done;
3794 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3795 				struct got_tag_object *tag;
3796 				error = got_object_open_as_tag(&tag,
3797 				    gw_trans->repo, id);
3798 				if (error)
3799 					goto done;
3800 				if (got_object_tag_get_object_type(tag) !=
3801 				    GOT_OBJ_TYPE_COMMIT) {
3802 					got_object_tag_close(tag);
3803 					error = got_error(GOT_ERR_OBJ_TYPE);
3804 					goto done;
3805 				}
3806 				free(id);
3807 				id = got_object_id_dup(
3808 				    got_object_tag_get_object_id(tag));
3809 				if (id == NULL)
3810 					error = got_error_from_errno(
3811 					    "got_object_id_dup");
3812 				got_object_tag_close(tag);
3813 				if (error)
3814 					goto done;
3815 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3816 				error = got_error(GOT_ERR_OBJ_TYPE);
3817 				goto done;
3818 			}
3819 		}
3820 		error = got_repo_match_object_id_prefix(&id,
3821 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3822 			    gw_trans->repo);
3823 		if (error)
3824 			goto done;
3825 	}
3826 
3827 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3828 	    gw_trans->repo_path);
3829 	if (error)
3830 		goto done;
3831 
3832 	if (in_repo_path) {
3833 		header->path = strdup(in_repo_path);
3834 		if (header->path == NULL) {
3835 			error = got_error_from_errno("strdup");
3836 			goto done;
3837 		}
3838 	}
3839 
3840 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3841 	    got_ref_cmp_by_name, NULL);
3842 	if (error)
3843 		goto done;
3844 
3845 	error = gw_get_commits(gw_trans, header, limit, id);
3846 done:
3847 	got_ref_list_free(&header->refs);
3848 	free(id);
3849 	free(in_repo_path);
3850 	return error;
3851 }
3852 
3853 struct blame_line {
3854 	int annotated;
3855 	char *id_str;
3856 	char *committer;
3857 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3858 };
3859 
3860 struct gw_blame_cb_args {
3861 	struct blame_line *lines;
3862 	int nlines;
3863 	int nlines_prec;
3864 	int lineno_cur;
3865 	off_t *line_offsets;
3866 	FILE *f;
3867 	struct got_repository *repo;
3868 	struct gw_trans *gw_trans;
3869 };
3870 
3871 static const struct got_error *
3872 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3873 {
3874 	const struct got_error *err = NULL;
3875 	struct gw_blame_cb_args *a = arg;
3876 	struct blame_line *bline;
3877 	char *line = NULL;
3878 	size_t linesize = 0;
3879 	struct got_commit_object *commit = NULL;
3880 	off_t offset;
3881 	struct tm tm;
3882 	time_t committer_time;
3883 	enum kcgi_err kerr = KCGI_OK;
3884 
3885 	if (nlines != a->nlines ||
3886 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3887 		return got_error(GOT_ERR_RANGE);
3888 
3889 	if (lineno == -1)
3890 		return NULL; /* no change in this commit */
3891 
3892 	/* Annotate this line. */
3893 	bline = &a->lines[lineno - 1];
3894 	if (bline->annotated)
3895 		return NULL;
3896 	err = got_object_id_str(&bline->id_str, id);
3897 	if (err)
3898 		return err;
3899 
3900 	err = got_object_open_as_commit(&commit, a->repo, id);
3901 	if (err)
3902 		goto done;
3903 
3904 	bline->committer = strdup(got_object_commit_get_committer(commit));
3905 	if (bline->committer == NULL) {
3906 		err = got_error_from_errno("strdup");
3907 		goto done;
3908 	}
3909 
3910 	committer_time = got_object_commit_get_committer_time(commit);
3911 	if (gmtime_r(&committer_time, &tm) == NULL)
3912 		return got_error_from_errno("gmtime_r");
3913 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3914 	    &tm) == 0) {
3915 		err = got_error(GOT_ERR_NO_SPACE);
3916 		goto done;
3917 	}
3918 	bline->annotated = 1;
3919 
3920 	/* Print lines annotated so far. */
3921 	bline = &a->lines[a->lineno_cur - 1];
3922 	if (!bline->annotated)
3923 		goto done;
3924 
3925 	offset = a->line_offsets[a->lineno_cur - 1];
3926 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3927 		err = got_error_from_errno("fseeko");
3928 		goto done;
3929 	}
3930 
3931 	while (bline->annotated) {
3932 		char *smallerthan, *at, *nl, *committer;
3933 		char *href_diff = NULL;
3934 		size_t len;
3935 
3936 		if (getline(&line, &linesize, a->f) == -1) {
3937 			if (ferror(a->f))
3938 				err = got_error_from_errno("getline");
3939 			break;
3940 		}
3941 
3942 		committer = bline->committer;
3943 		smallerthan = strchr(committer, '<');
3944 		if (smallerthan && smallerthan[1] != '\0')
3945 			committer = smallerthan + 1;
3946 		at = strchr(committer, '@');
3947 		if (at)
3948 			*at = '\0';
3949 		len = strlen(committer);
3950 		if (len >= 9)
3951 			committer[8] = '\0';
3952 
3953 		nl = strchr(line, '\n');
3954 		if (nl)
3955 			*nl = '\0';
3956 
3957 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3958 		    "blame_wrapper", KATTR__MAX);
3959 		if (kerr != KCGI_OK)
3960 			goto err;
3961 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3962 		    "blame_number", KATTR__MAX);
3963 		if (kerr != KCGI_OK)
3964 			goto err;
3965 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3966 		    a->nlines_prec, a->lineno_cur);
3967 		if (kerr != KCGI_OK)
3968 			goto err;
3969 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3970 		if (kerr != KCGI_OK)
3971 			goto err;
3972 
3973 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3974 		    "blame_hash", KATTR__MAX);
3975 		if (kerr != KCGI_OK)
3976 			goto err;
3977 
3978 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3979 		    a->gw_trans->repo_name, "action", "diff", "commit",
3980 		    bline->id_str, NULL);
3981 		if (href_diff == NULL) {
3982 			err = got_error_from_errno("khttp_urlpart");
3983 			goto done;
3984 		}
3985 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3986 		    KATTR_HREF, href_diff, KATTR__MAX);
3987 		if (kerr != KCGI_OK)
3988 			goto done;
3989 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3990 		    bline->id_str);
3991 		if (kerr != KCGI_OK)
3992 			goto err;
3993 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3994 		if (kerr != KCGI_OK)
3995 			goto err;
3996 
3997 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3998 		    "blame_date", KATTR__MAX);
3999 		if (kerr != KCGI_OK)
4000 			goto err;
4001 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
4002 		if (kerr != KCGI_OK)
4003 			goto err;
4004 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4005 		if (kerr != KCGI_OK)
4006 			goto err;
4007 
4008 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4009 		    "blame_author", KATTR__MAX);
4010 		if (kerr != KCGI_OK)
4011 			goto err;
4012 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
4013 		if (kerr != KCGI_OK)
4014 			goto err;
4015 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4016 		if (kerr != KCGI_OK)
4017 			goto err;
4018 
4019 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4020 		    "blame_code", KATTR__MAX);
4021 		if (kerr != KCGI_OK)
4022 			goto err;
4023 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
4024 		if (kerr != KCGI_OK)
4025 			goto err;
4026 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4027 		if (kerr != KCGI_OK)
4028 			goto err;
4029 
4030 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4031 		if (kerr != KCGI_OK)
4032 			goto err;
4033 
4034 		a->lineno_cur++;
4035 		bline = &a->lines[a->lineno_cur - 1];
4036 err:
4037 		free(href_diff);
4038 	}
4039 done:
4040 	if (commit)
4041 		got_object_commit_close(commit);
4042 	free(line);
4043 	if (err == NULL && kerr != KCGI_OK)
4044 		err = gw_kcgi_error(kerr);
4045 	return err;
4046 }
4047 
4048 static const struct got_error *
4049 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4050 {
4051 	const struct got_error *error = NULL;
4052 	struct got_object_id *obj_id = NULL;
4053 	struct got_object_id *commit_id = NULL;
4054 	struct got_blob_object *blob = NULL;
4055 	char *path = NULL, *in_repo_path = NULL;
4056 	struct gw_blame_cb_args bca;
4057 	int i, obj_type;
4058 	off_t filesize;
4059 
4060 	if (asprintf(&path, "%s%s%s",
4061 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4062 	    gw_trans->repo_folder ? "/" : "",
4063 	    gw_trans->repo_file) == -1) {
4064 		error = got_error_from_errno("asprintf");
4065 		goto done;
4066 	}
4067 
4068 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4069 	if (error)
4070 		goto done;
4071 
4072 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4073 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4074 	if (error)
4075 		goto done;
4076 
4077 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4078 	    in_repo_path);
4079 	if (error)
4080 		goto done;
4081 
4082 	if (obj_id == NULL) {
4083 		error = got_error(GOT_ERR_NO_OBJ);
4084 		goto done;
4085 	}
4086 
4087 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4088 	if (error)
4089 		goto done;
4090 
4091 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4092 		error = got_error(GOT_ERR_OBJ_TYPE);
4093 		goto done;
4094 	}
4095 
4096 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4097 	if (error)
4098 		goto done;
4099 
4100 	bca.f = got_opentemp();
4101 	if (bca.f == NULL) {
4102 		error = got_error_from_errno("got_opentemp");
4103 		goto done;
4104 	}
4105 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4106 	    &bca.line_offsets, bca.f, blob);
4107 	if (error || bca.nlines == 0)
4108 		goto done;
4109 
4110 	/* Don't include \n at EOF in the blame line count. */
4111 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4112 		bca.nlines--;
4113 
4114 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4115 	if (bca.lines == NULL) {
4116 		error = got_error_from_errno("calloc");
4117 		goto done;
4118 	}
4119 	bca.lineno_cur = 1;
4120 	bca.nlines_prec = 0;
4121 	i = bca.nlines;
4122 	while (i > 0) {
4123 		i /= 10;
4124 		bca.nlines_prec++;
4125 	}
4126 	bca.repo = gw_trans->repo;
4127 	bca.gw_trans = gw_trans;
4128 
4129 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
4130 	    &bca, NULL, NULL);
4131 done:
4132 	free(in_repo_path);
4133 	free(commit_id);
4134 	free(obj_id);
4135 	free(path);
4136 
4137 	if (blob) {
4138 		free(bca.line_offsets);
4139 		for (i = 0; i < bca.nlines; i++) {
4140 			struct blame_line *bline = &bca.lines[i];
4141 			free(bline->id_str);
4142 			free(bline->committer);
4143 		}
4144 		free(bca.lines);
4145 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4146 			error = got_error_from_errno("fclose");
4147 	}
4148 	if (blob)
4149 		got_object_blob_close(blob);
4150 	return error;
4151 }
4152 
4153 static const struct got_error *
4154 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4155 {
4156 	const struct got_error *error = NULL;
4157 	struct got_object_id *obj_id = NULL;
4158 	struct got_object_id *commit_id = NULL;
4159 	struct got_blob_object *blob = NULL;
4160 	char *path = NULL, *in_repo_path = NULL;
4161 	int obj_type, set_mime = 0;
4162 	size_t len, hdrlen;
4163 	const uint8_t *buf;
4164 	enum kcgi_err kerr = KCGI_OK;
4165 
4166 	if (asprintf(&path, "%s%s%s",
4167 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4168 	    gw_trans->repo_folder ? "/" : "",
4169 	    gw_trans->repo_file) == -1) {
4170 		error = got_error_from_errno("asprintf");
4171 		goto done;
4172 	}
4173 
4174 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4175 	if (error)
4176 		goto done;
4177 
4178 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4179 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4180 	if (error)
4181 		goto done;
4182 
4183 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4184 	    in_repo_path);
4185 	if (error)
4186 		goto done;
4187 
4188 	if (obj_id == NULL) {
4189 		error = got_error(GOT_ERR_NO_OBJ);
4190 		goto done;
4191 	}
4192 
4193 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4194 	if (error)
4195 		goto done;
4196 
4197 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4198 		error = got_error(GOT_ERR_OBJ_TYPE);
4199 		goto done;
4200 	}
4201 
4202 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4203 	if (error)
4204 		goto done;
4205 
4206 	hdrlen = got_object_blob_get_hdrlen(blob);
4207 	do {
4208 		error = got_object_blob_read_block(&len, blob);
4209 		if (error)
4210 			goto done;
4211 		buf = got_object_blob_get_read_buf(blob);
4212 
4213 		/*
4214 		 * Skip blob object header first time around,
4215 		 * which also contains a zero byte.
4216 		 */
4217 		buf += hdrlen;
4218 		if (set_mime == 0) {
4219 			if (isbinary(buf, len - hdrlen))
4220 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4221 			else
4222 				gw_trans->mime = KMIME_TEXT_PLAIN;
4223 			set_mime = 1;
4224 			error = gw_display_index(gw_trans);
4225 			if (error)
4226 				goto done;
4227 		}
4228 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4229 		if (kerr != KCGI_OK)
4230 			goto done;
4231 		hdrlen = 0;
4232 	} while (len != 0);
4233 done:
4234 	free(in_repo_path);
4235 	free(commit_id);
4236 	free(obj_id);
4237 	free(path);
4238 	if (blob)
4239 		got_object_blob_close(blob);
4240 	if (error == NULL && kerr != KCGI_OK)
4241 		error = gw_kcgi_error(kerr);
4242 	return error;
4243 }
4244 
4245 static const struct got_error *
4246 gw_output_repo_tree(struct gw_trans *gw_trans, struct gw_header *header)
4247 {
4248 	const struct got_error *error = NULL;
4249 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4250 	struct got_tree_object *tree = NULL;
4251 	char *path = NULL, *in_repo_path = NULL;
4252 	char *id_str = NULL;
4253 	char *build_folder = NULL;
4254 	char *href_blob = NULL, *href_blame = NULL;
4255 	const char *class = NULL;
4256 	int nentries, i, class_flip = 0;
4257 	enum kcgi_err kerr = KCGI_OK;
4258 
4259 	if (gw_trans->repo_folder != NULL) {
4260 		path = strdup(gw_trans->repo_folder);
4261 		if (path == NULL) {
4262 			error = got_error_from_errno("strdup");
4263 			goto done;
4264 		}
4265 	} else {
4266 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4267 		    gw_trans->repo_path);
4268 		if (error)
4269 			goto done;
4270 		free(path);
4271 		path = in_repo_path;
4272 	}
4273 
4274 	if (gw_trans->commit_id == NULL) {
4275 		struct got_reference *head_ref;
4276 		error = got_ref_open(&head_ref, gw_trans->repo,
4277 		    gw_trans->headref, 0);
4278 		if (error)
4279 			goto done;
4280 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4281 		if (error)
4282 			goto done;
4283 		got_ref_close(head_ref);
4284 		/*
4285 		 * gw_trans->commit_id was not parsed from the querystring
4286 		 * we hit this code path from gw_index, where we don't know the
4287 		 * commit values for the tree link yet, so set
4288 		 * gw_trans->commit_id here to continue further into the tree
4289 		 */
4290 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4291 		if (error)
4292 			goto done;
4293 
4294 	} else {
4295 		error = got_repo_match_object_id(&commit_id, NULL,
4296 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4297 		    gw_trans->repo);
4298 		if (error)
4299 			goto done;
4300 	}
4301 
4302 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4303 	    path);
4304 	if (error)
4305 		goto done;
4306 
4307 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4308 	if (error)
4309 		goto done;
4310 
4311 	nentries = got_object_tree_get_nentries(tree);
4312 	for (i = 0; i < nentries; i++) {
4313 		struct got_tree_entry *te;
4314 		const char *modestr = "";
4315 		mode_t mode;
4316 
4317 		te = got_object_tree_get_entry(tree, i);
4318 
4319 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4320 		if (error)
4321 			goto done;
4322 
4323 		mode = got_tree_entry_get_mode(te);
4324 		if (got_object_tree_entry_is_submodule(te))
4325 			modestr = "$";
4326 		else if (S_ISLNK(mode))
4327 			modestr = "@";
4328 		else if (S_ISDIR(mode))
4329 			modestr = "/";
4330 		else if (mode & S_IXUSR)
4331 			modestr = "*";
4332 
4333 		if (class_flip == 0) {
4334 			class = "back_lightgray";
4335 			class_flip = 1;
4336 		} else {
4337 			class = "back_white";
4338 			class_flip = 0;
4339 		}
4340 
4341 		if (S_ISDIR(mode)) {
4342 			if (asprintf(&build_folder, "%s/%s",
4343 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4344 			    got_tree_entry_get_name(te)) == -1) {
4345 				error = got_error_from_errno("asprintf");
4346 				goto done;
4347 			}
4348 
4349 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4350 			    gw_trans->repo_name, "action",
4351 			    gw_get_action_name(gw_trans), "commit",
4352 			    gw_trans->commit_id, "folder", build_folder, NULL);
4353 			if (href_blob == NULL) {
4354 				error = got_error_from_errno("khttp_urlpart");
4355 				goto done;
4356 			}
4357 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4358 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4359 			if (kerr != KCGI_OK)
4360 				goto done;
4361 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4362 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4363 			    KATTR__MAX);
4364 			if (kerr != KCGI_OK)
4365 				goto done;
4366 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4367 			    KATTR_HREF, href_blob, KATTR_CLASS,
4368 			    "diff_directory", KATTR__MAX);
4369 			if (kerr != KCGI_OK)
4370 				goto done;
4371 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4372 			    got_tree_entry_get_name(te), modestr);
4373 			if (kerr != KCGI_OK)
4374 				goto done;
4375 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4376 			if (kerr != KCGI_OK)
4377 				goto done;
4378 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4379 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4380 			    KATTR__MAX);
4381 			if (kerr != KCGI_OK)
4382 				goto done;
4383 			kerr = khtml_entity(gw_trans->gw_html_req,
4384 			    KENTITY_nbsp);
4385 			if (kerr != KCGI_OK)
4386 				goto done;
4387 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4388 			if (kerr != KCGI_OK)
4389 				goto done;
4390 		} else {
4391 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4392 			    gw_trans->repo_name, "action", "blob", "commit",
4393 			    gw_trans->commit_id, "file",
4394 			    got_tree_entry_get_name(te), "folder",
4395 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4396 			    NULL);
4397 			if (href_blob == NULL) {
4398 				error = got_error_from_errno("khttp_urlpart");
4399 				goto done;
4400 			}
4401 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4402 			    gw_trans->repo_name, "action", "blame", "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_blame == NULL) {
4408 				error = got_error_from_errno("khttp_urlpart");
4409 				goto done;
4410 			}
4411 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4412 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4413 			if (kerr != KCGI_OK)
4414 				goto done;
4415 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4416 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4417 			    KATTR__MAX);
4418 			if (kerr != KCGI_OK)
4419 				goto done;
4420 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4421 			    KATTR_HREF, href_blob, KATTR__MAX);
4422 			if (kerr != KCGI_OK)
4423 				goto done;
4424 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4425 			    got_tree_entry_get_name(te), modestr);
4426 			if (kerr != KCGI_OK)
4427 				goto done;
4428 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4429 			if (kerr != KCGI_OK)
4430 				goto done;
4431 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4432 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4433 			    KATTR__MAX);
4434 			if (kerr != KCGI_OK)
4435 				goto done;
4436 
4437 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4438 			    KATTR_HREF, href_blob, KATTR__MAX);
4439 			if (kerr != KCGI_OK)
4440 				goto done;
4441 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4442 			if (kerr != KCGI_OK)
4443 				goto done;
4444 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4445 			if (kerr != KCGI_OK)
4446 				goto done;
4447 
4448 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4449 			if (kerr != KCGI_OK)
4450 				goto done;
4451 
4452 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4453 			    KATTR_HREF, href_blame, KATTR__MAX);
4454 			if (kerr != KCGI_OK)
4455 				goto done;
4456 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4457 			if (kerr != KCGI_OK)
4458 				goto done;
4459 
4460 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4461 			if (kerr != KCGI_OK)
4462 				goto done;
4463 		}
4464 		free(id_str);
4465 		id_str = NULL;
4466 		free(href_blob);
4467 		href_blob = NULL;
4468 		free(build_folder);
4469 		build_folder = NULL;
4470 	}
4471 done:
4472 	if (tree)
4473 		got_object_tree_close(tree);
4474 	free(id_str);
4475 	free(href_blob);
4476 	free(href_blame);
4477 	free(in_repo_path);
4478 	free(tree_id);
4479 	free(build_folder);
4480 	if (error == NULL && kerr != KCGI_OK)
4481 		error = gw_kcgi_error(kerr);
4482 	return error;
4483 }
4484 
4485 static const struct got_error *
4486 gw_output_repo_heads(struct gw_trans *gw_trans)
4487 {
4488 	const struct got_error *error = NULL;
4489 	struct got_reflist_head refs;
4490 	struct got_reflist_entry *re;
4491 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4492 	char *href_commits = NULL;
4493 	enum kcgi_err kerr = KCGI_OK;
4494 
4495 	TAILQ_INIT(&refs);
4496 
4497 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4498 	    got_ref_cmp_by_name, NULL);
4499 	if (error)
4500 		goto done;
4501 
4502 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4503 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4504 	if (kerr != KCGI_OK)
4505 		goto done;
4506 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4507 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4508 	if (kerr != KCGI_OK)
4509 		goto done;
4510 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4511 	if (kerr != KCGI_OK)
4512 		goto done;
4513 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4514 	if (kerr != KCGI_OK)
4515 		goto done;
4516 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4517 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4518 	if (kerr != KCGI_OK)
4519 		goto done;
4520 
4521 	TAILQ_FOREACH(re, &refs, entry) {
4522 		const char *refname;
4523 
4524 		if (got_ref_is_symbolic(re->ref))
4525 			continue;
4526 
4527 		refname = got_ref_get_name(re->ref);
4528 		if (strncmp(refname, "refs/heads/", 11) != 0)
4529 			continue;
4530 
4531 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4532 		    refname, TM_DIFF);
4533 		if (error)
4534 			goto done;
4535 
4536 		if (strncmp(refname, "refs/heads/", 11) == 0)
4537 			refname += 11;
4538 
4539 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4540 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4541 		if (kerr != KCGI_OK)
4542 			goto done;
4543 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4544 		    KATTR_ID, "heads_age", KATTR__MAX);
4545 		if (kerr != KCGI_OK)
4546 			goto done;
4547 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4548 		if (kerr != KCGI_OK)
4549 			goto done;
4550 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4551 		if (kerr != KCGI_OK)
4552 			goto done;
4553 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4554 		    KATTR_ID, "heads_space", KATTR__MAX);
4555 		if (kerr != KCGI_OK)
4556 			goto done;
4557 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4558 		if (kerr != KCGI_OK)
4559 			goto done;
4560 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4561 		if (kerr != KCGI_OK)
4562 			goto done;
4563 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4564 		    KATTR_ID, "head", KATTR__MAX);
4565 		if (kerr != KCGI_OK)
4566 			goto done;
4567 
4568 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4569 		    gw_trans->repo_name, "action", "summary", "headref",
4570 		    refname, NULL);
4571 		if (href_summary == NULL) {
4572 			error = got_error_from_errno("khttp_urlpart");
4573 			goto done;
4574 		}
4575 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4576 		    href_summary, KATTR__MAX);
4577 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4578 		if (kerr != KCGI_OK)
4579 			goto done;
4580 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4581 		if (kerr != KCGI_OK)
4582 			goto done;
4583 
4584 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4585 		    "navs_wrapper", KATTR__MAX);
4586 		if (kerr != KCGI_OK)
4587 			goto done;
4588 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4589 		    "navs", KATTR__MAX);
4590 		if (kerr != KCGI_OK)
4591 			goto done;
4592 
4593 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4594 		    href_summary, KATTR__MAX);
4595 		if (kerr != KCGI_OK)
4596 			goto done;
4597 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4598 		if (kerr != KCGI_OK)
4599 			goto done;
4600 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4601 		if (kerr != KCGI_OK)
4602 			goto done;
4603 
4604 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4605 		if (kerr != KCGI_OK)
4606 			goto done;
4607 
4608 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4609 		    gw_trans->repo_name, "action", "briefs", "headref",
4610 		    refname, NULL);
4611 		if (href_briefs == NULL) {
4612 			error = got_error_from_errno("khttp_urlpart");
4613 			goto done;
4614 		}
4615 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4616 		    href_briefs, KATTR__MAX);
4617 		if (kerr != KCGI_OK)
4618 			goto done;
4619 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4620 		if (kerr != KCGI_OK)
4621 			goto done;
4622 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4623 		if (kerr != KCGI_OK)
4624 			goto done;
4625 
4626 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4627 		if (kerr != KCGI_OK)
4628 			goto done;
4629 
4630 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4631 		    gw_trans->repo_name, "action", "commits", "headref",
4632 		    refname, NULL);
4633 		if (href_commits == NULL) {
4634 			error = got_error_from_errno("khttp_urlpart");
4635 			goto done;
4636 		}
4637 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4638 		    href_commits, KATTR__MAX);
4639 		if (kerr != KCGI_OK)
4640 			goto done;
4641 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4642 		if (kerr != KCGI_OK)
4643 			goto done;
4644 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4645 		if (kerr != KCGI_OK)
4646 			goto done;
4647 
4648 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4649 		    "dotted_line", KATTR__MAX);
4650 		if (kerr != KCGI_OK)
4651 			goto done;
4652 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4653 		if (kerr != KCGI_OK)
4654 			goto done;
4655 		free(href_summary);
4656 		href_summary = NULL;
4657 		free(href_briefs);
4658 		href_briefs = NULL;
4659 		free(href_commits);
4660 		href_commits = NULL;
4661 	}
4662 done:
4663 	got_ref_list_free(&refs);
4664 	free(href_summary);
4665 	free(href_briefs);
4666 	free(href_commits);
4667 	return error;
4668 }
4669 
4670 static const struct got_error *
4671 gw_output_site_link(struct gw_trans *gw_trans)
4672 {
4673 	const struct got_error *error = NULL;
4674 	char *href_summary = NULL;
4675 	enum kcgi_err kerr = KCGI_OK;
4676 
4677 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4678 	    "site_link", KATTR__MAX);
4679 	if (kerr != KCGI_OK)
4680 		goto done;
4681 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4682 	    KATTR__MAX);
4683 	if (kerr != KCGI_OK)
4684 		goto done;
4685 	kerr = khtml_puts(gw_trans->gw_html_req,
4686 	    gw_trans->gw_conf->got_site_link);
4687 	if (kerr != KCGI_OK)
4688 		goto done;
4689 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4690 	if (kerr != KCGI_OK)
4691 		goto done;
4692 
4693 	if (gw_trans->repo_name != NULL) {
4694 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4695 		if (kerr != KCGI_OK)
4696 			goto done;
4697 
4698 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4699 		    gw_trans->repo_name, "action", "summary", NULL);
4700 		if (href_summary == NULL) {
4701 			error = got_error_from_errno("khttp_urlpart");
4702 			goto done;
4703 		}
4704 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4705 		    href_summary, KATTR__MAX);
4706 		if (kerr != KCGI_OK)
4707 			goto done;
4708 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4709 		if (kerr != KCGI_OK)
4710 			goto done;
4711 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4712 		if (kerr != KCGI_OK)
4713 			goto done;
4714 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4715 		    gw_get_action_name(gw_trans));
4716 		if (kerr != KCGI_OK)
4717 			goto done;
4718 	}
4719 
4720 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4721 	if (kerr != KCGI_OK)
4722 		goto done;
4723 done:
4724 	free(href_summary);
4725 	if (error == NULL && kerr != KCGI_OK)
4726 		error = gw_kcgi_error(kerr);
4727 	return error;
4728 }
4729 
4730 static const struct got_error *
4731 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4732 {
4733 	const struct got_error *error = NULL;
4734 	char *color = NULL;
4735 	enum kcgi_err kerr = KCGI_OK;
4736 
4737 	if (strncmp(buf, "-", 1) == 0)
4738 		color = "diff_minus";
4739 	else if (strncmp(buf, "+", 1) == 0)
4740 		color = "diff_plus";
4741 	else if (strncmp(buf, "@@", 2) == 0)
4742 		color = "diff_chunk_header";
4743 	else if (strncmp(buf, "@@", 2) == 0)
4744 		color = "diff_chunk_header";
4745 	else if (strncmp(buf, "commit +", 8) == 0)
4746 		color = "diff_meta";
4747 	else if (strncmp(buf, "commit -", 8) == 0)
4748 		color = "diff_meta";
4749 	else if (strncmp(buf, "blob +", 6) == 0)
4750 		color = "diff_meta";
4751 	else if (strncmp(buf, "blob -", 6) == 0)
4752 		color = "diff_meta";
4753 	else if (strncmp(buf, "file +", 6) == 0)
4754 		color = "diff_meta";
4755 	else if (strncmp(buf, "file -", 6) == 0)
4756 		color = "diff_meta";
4757 	else if (strncmp(buf, "from:", 5) == 0)
4758 		color = "diff_author";
4759 	else if (strncmp(buf, "via:", 4) == 0)
4760 		color = "diff_author";
4761 	else if (strncmp(buf, "date:", 5) == 0)
4762 		color = "diff_date";
4763 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4764 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4765 	if (error == NULL && kerr != KCGI_OK)
4766 		error = gw_kcgi_error(kerr);
4767 	return error;
4768 }
4769 
4770 int
4771 main(int argc, char *argv[])
4772 {
4773 	const struct got_error *error = NULL, *error2 = NULL;
4774 	struct gw_trans *gw_trans;
4775 	struct gw_dir *dir = NULL, *tdir;
4776 	const char *page = "index";
4777 	enum kcgi_err kerr = KCGI_OK;
4778 
4779 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4780 		errx(1, "malloc");
4781 
4782 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4783 		errx(1, "malloc");
4784 
4785 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4786 		errx(1, "malloc");
4787 
4788 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4789 		errx(1, "malloc");
4790 
4791 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4792 	if (kerr != KCGI_OK) {
4793 		error = gw_kcgi_error(kerr);
4794 		goto done;
4795 	}
4796 
4797 	TAILQ_INIT(&gw_trans->gw_dirs);
4798 	TAILQ_INIT(&gw_trans->gw_headers);
4799 
4800 	gw_trans->action = -1;
4801 	gw_trans->page = 0;
4802 	gw_trans->repos_total = 0;
4803 	gw_trans->repo_path = NULL;
4804 	gw_trans->commit_id = NULL;
4805 	gw_trans->next_id = NULL;
4806 	gw_trans->prev_id = NULL;
4807 	gw_trans->headref = GOT_REF_HEAD;
4808 	gw_trans->mime = KMIME_TEXT_HTML;
4809 	gw_trans->gw_tmpl->key = gw_templs;
4810 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4811 	gw_trans->gw_tmpl->arg = gw_trans;
4812 	gw_trans->gw_tmpl->cb = gw_template;
4813 
4814 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4815 	if (error)
4816 		goto done;
4817 
4818 	error = gw_parse_querystring(gw_trans);
4819 	if (error)
4820 		goto done;
4821 
4822 	if (gw_trans->action == GW_BLOB)
4823 		error = gw_blob(gw_trans);
4824 	else
4825 		error = gw_display_index(gw_trans);
4826 done:
4827 	if (gw_trans->repo) {
4828 		const struct got_error *close_err;
4829 		close_err = got_repo_close(gw_trans->repo);
4830 		if (error == NULL)
4831 			error = close_err;
4832 	}
4833 	if (error) {
4834 		gw_trans->error = error;
4835 		gw_trans->action = GW_ERR;
4836 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4837 		if (error2)
4838 			goto cleanup; /* we can't display an error page */
4839 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4840 		if (kerr != KCGI_OK)
4841 			goto cleanup; /* we can't display an error page */
4842 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4843 			gw_query_funcs[gw_trans->action].template);
4844 		if (kerr != KCGI_OK) {
4845 			khtml_close(gw_trans->gw_html_req);
4846 			goto cleanup; /* we can't display an error page */
4847 		}
4848 	}
4849 
4850 cleanup:
4851 	free(gw_trans->gw_conf->got_repos_path);
4852 	free(gw_trans->gw_conf->got_www_path);
4853 	free(gw_trans->gw_conf->got_site_name);
4854 	free(gw_trans->gw_conf->got_site_owner);
4855 	free(gw_trans->gw_conf->got_site_link);
4856 	free(gw_trans->gw_conf->got_logo);
4857 	free(gw_trans->gw_conf->got_logo_url);
4858 	free(gw_trans->gw_conf);
4859 	free(gw_trans->commit_id);
4860 	free(gw_trans->next_id);
4861 	free(gw_trans->prev_id);
4862 	free(gw_trans->repo_path);
4863 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4864 		free(dir->name);
4865 		free(dir->description);
4866 		free(dir->age);
4867 		free(dir->url);
4868 		free(dir->path);
4869 		free(dir);
4870 	}
4871 
4872 	khttp_free(gw_trans->gw_req);
4873 	return 0;
4874 }