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 		}
2005 		else if (error)
2006 			goto done;
2007 
2008 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2009 		    !got_path_dir_is_empty(gw_dir->path)) {
2010 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2011 			    entry);
2012 			gw_trans->repos_total++;
2013 		}
2014 	}
2015 done:
2016 	if (d && closedir(d) == -1 && error == NULL)
2017 		error = got_error_from_errno("closedir");
2018 	return error;
2019 }
2020 
2021 static const struct got_error *
2022 gw_parse_querystring(struct gw_trans *gw_trans)
2023 {
2024 	const struct got_error *error = NULL;
2025 	struct kpair *p;
2026 	struct gw_query_action *action = NULL;
2027 	unsigned int i;
2028 
2029 	if (gw_trans->gw_req->fieldnmap[0]) {
2030 		return got_error(GOT_ERR_QUERYSTRING);
2031 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2032 		/* define gw_trans->repo_path */
2033 		gw_trans->repo_name = p->parsed.s;
2034 
2035 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2036 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2037 			return got_error_from_errno("asprintf");
2038 
2039 		/* get action and set function */
2040 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2041 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2042 				action = &gw_query_funcs[i];
2043 				if (action->func_name == NULL)
2044 					continue;
2045 				if (strcmp(action->func_name,
2046 				    p->parsed.s) == 0) {
2047 					gw_trans->action = i;
2048 					break;
2049 				}
2050 			}
2051 		}
2052 		if (gw_trans->action == -1) {
2053 			gw_trans->action = GW_ERR;
2054 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2055 			    p != NULL ? "bad action in querystring" :
2056 			    "no action in querystring");
2057 			return error;
2058 		}
2059 
2060  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2061 			if (asprintf(&gw_trans->commit_id, "%s",
2062 			    p->parsed.s) == -1)
2063 				return got_error_from_errno("asprintf");
2064 		}
2065 
2066 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2067 			gw_trans->repo_file = p->parsed.s;
2068 
2069 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2070 			if (asprintf(&gw_trans->repo_folder, "%s",
2071 			    p->parsed.s) == -1)
2072 				return got_error_from_errno("asprintf");
2073 		}
2074 
2075 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2076 			if (asprintf(&gw_trans->prev_id, "%s",
2077 			    p->parsed.s) == -1)
2078 				return got_error_from_errno("asprintf");
2079 		}
2080 
2081 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2082 			gw_trans->headref = p->parsed.s;
2083 
2084 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2085 		if (error)
2086 			return error;
2087 
2088 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2089 	} else
2090 		gw_trans->action = GW_INDEX;
2091 
2092 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2093 		gw_trans->page = p->parsed.i;
2094 
2095 	return error;
2096 }
2097 
2098 static const struct got_error *
2099 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2100 {
2101 	const struct got_error *error;
2102 
2103 	*gw_dir = malloc(sizeof(**gw_dir));
2104 	if (*gw_dir == NULL)
2105 		return got_error_from_errno("malloc");
2106 
2107 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2108 		error = got_error_from_errno("asprintf");
2109 		free(*gw_dir);
2110 		*gw_dir = NULL;
2111 		return error;
2112 	}
2113 
2114 	return NULL;
2115 }
2116 
2117 static const struct got_error *
2118 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2119 {
2120 	enum kcgi_err kerr = KCGI_OK;
2121 
2122 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2123 	if (kerr != KCGI_OK)
2124 		return gw_kcgi_error(kerr);
2125 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2126 	    khttps[code]);
2127 	if (kerr != KCGI_OK)
2128 		return gw_kcgi_error(kerr);
2129 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2130 	    kmimetypes[mime]);
2131 	if (kerr != KCGI_OK)
2132 		return gw_kcgi_error(kerr);
2133 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2134 	    "nosniff");
2135 	if (kerr != KCGI_OK)
2136 		return gw_kcgi_error(kerr);
2137 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2138 	if (kerr != KCGI_OK)
2139 		return gw_kcgi_error(kerr);
2140 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2141 	    "1; mode=block");
2142 	if (kerr != KCGI_OK)
2143 		return gw_kcgi_error(kerr);
2144 
2145 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2146 		kerr = khttp_head(gw_trans->gw_req,
2147 		    kresps[KRESP_CONTENT_DISPOSITION],
2148 		    "attachment; filename=%s", gw_trans->repo_file);
2149 		if (kerr != KCGI_OK)
2150 			return gw_kcgi_error(kerr);
2151 	}
2152 
2153 	kerr = khttp_body(gw_trans->gw_req);
2154 	return gw_kcgi_error(kerr);
2155 }
2156 
2157 static const struct got_error *
2158 gw_display_index(struct gw_trans *gw_trans)
2159 {
2160 	const struct got_error *error;
2161 	enum kcgi_err kerr = KCGI_OK;
2162 
2163 	/* catch early querystring errors */
2164 	if (gw_trans->error)
2165 		gw_trans->action = GW_ERR;
2166 
2167 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2168 	if (error)
2169 		return error;
2170 
2171 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2172 	if (kerr != KCGI_OK)
2173 		return gw_kcgi_error(kerr);
2174 
2175 	if (gw_trans->action != GW_BLOB) {
2176 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2177 		    gw_query_funcs[gw_trans->action].template);
2178 		if (kerr != KCGI_OK) {
2179 			khtml_close(gw_trans->gw_html_req);
2180 			return gw_kcgi_error(kerr);
2181 		}
2182 	}
2183 
2184 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2185 }
2186 
2187 static const struct got_error *
2188 gw_error(struct gw_trans *gw_trans)
2189 {
2190 	enum kcgi_err kerr = KCGI_OK;
2191 
2192 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2193 
2194 	return gw_kcgi_error(kerr);
2195 }
2196 
2197 static int
2198 gw_template(size_t key, void *arg)
2199 {
2200 	const struct got_error *error = NULL;
2201 	enum kcgi_err kerr = KCGI_OK;
2202 	struct gw_trans *gw_trans = arg;
2203 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2204 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2205 
2206 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2207 	    "/apple-touch-icon.png") == -1)
2208 		goto err;
2209 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2210 	    "/favicon-32x32.png") == -1)
2211 		goto err;
2212 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2213 	    "/favicon-16x16.png") == -1)
2214 		goto err;
2215 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2216 	    "/site.webmanifest") == -1)
2217 		goto err;
2218 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2219 	    "/safari-pinned-tab.svg") == -1)
2220 		goto err;
2221 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2222 	    "/gotweb.css") == -1)
2223 		goto err;
2224 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2225 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2226 	    gw_trans->gw_conf->got_logo) == -1)
2227 		goto err;
2228 
2229 	switch (key) {
2230 	case (TEMPL_HEAD):
2231 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2232 		    KATTR_NAME, "viewport",
2233 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2234 		    KATTR__MAX);
2235 		if (kerr != KCGI_OK)
2236 			return 0;
2237 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2238 		if (kerr != KCGI_OK)
2239 			return 0;
2240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2241 		    KATTR_CHARSET, "utf-8",
2242 		    KATTR__MAX);
2243 		if (kerr != KCGI_OK)
2244 			return 0;
2245 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2246 		if (kerr != KCGI_OK)
2247 			return 0;
2248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2249 		    KATTR_NAME, "msapplication-TileColor",
2250 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2251 		if (kerr != KCGI_OK)
2252 			return 0;
2253 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2257 		    KATTR_NAME, "theme-color",
2258 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2259 		if (kerr != KCGI_OK)
2260 			return 0;
2261 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2262 		if (kerr != KCGI_OK)
2263 			return 0;
2264 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2265 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2266 		    KATTR_HREF, ati, KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2273 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2274 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2275 		if (kerr != KCGI_OK)
2276 			return 0;
2277 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2278 		if (kerr != KCGI_OK)
2279 			return 0;
2280 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2281 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2282 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2283 		if (kerr != KCGI_OK)
2284 			return 0;
2285 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2286 		if (kerr != KCGI_OK)
2287 			return 0;
2288 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2289 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2290 		    KATTR__MAX);
2291 		if (kerr != KCGI_OK)
2292 			return 0;
2293 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2294 		if (kerr != KCGI_OK)
2295 			return 0;
2296 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2297 		    KATTR_REL, "mask-icon", KATTR_HREF,
2298 		    spt, KATTR__MAX);
2299 		if (kerr != KCGI_OK)
2300 			return 0;
2301 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2302 		if (kerr != KCGI_OK)
2303 			return 0;
2304 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2305 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2306 		    KATTR_HREF, css, KATTR__MAX);
2307 		if (kerr != KCGI_OK)
2308 			return 0;
2309 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2310 		if (kerr != KCGI_OK)
2311 			return 0;
2312 		break;
2313 	case(TEMPL_HEADER):
2314 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2315 		    KATTR_ID, "got_link", KATTR__MAX);
2316 		if (kerr != KCGI_OK)
2317 			return 0;
2318 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2319 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2320 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2321 		if (kerr != KCGI_OK)
2322 			return 0;
2323 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2324 		    KATTR_SRC, logo, KATTR__MAX);
2325 		if (kerr != KCGI_OK)
2326 			return 0;
2327 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2328 		if (kerr != KCGI_OK)
2329 			return 0;
2330 		break;
2331 	case (TEMPL_SITEPATH):
2332 		error = gw_output_site_link(gw_trans);
2333 		if (error)
2334 			return 0;
2335 		break;
2336 	case(TEMPL_TITLE):
2337 		if (gw_trans->gw_conf->got_site_name != NULL) {
2338 			kerr = khtml_puts(gw_trans->gw_html_req,
2339 			    gw_trans->gw_conf->got_site_name);
2340 			if (kerr != KCGI_OK)
2341 				return 0;
2342 		}
2343 		break;
2344 	case (TEMPL_SEARCH):
2345 		break;
2346 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2347 		    "search", KATTR__MAX);
2348 		if (kerr != KCGI_OK)
2349 			return 0;
2350 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2351 			    KATTR_METHOD, "POST", KATTR__MAX);
2352 		if (kerr != KCGI_OK)
2353 			return 0;
2354 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2355 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2356 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2357 		if (kerr != KCGI_OK)
2358 			return 0;
2359 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2360 		    KATTR__MAX);
2361 		if (kerr != KCGI_OK)
2362 			return 0;
2363 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2364 		if (kerr != KCGI_OK)
2365 			return 0;
2366 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2367 		if (kerr != KCGI_OK)
2368 			return 0;
2369 		break;
2370 	case(TEMPL_SITEOWNER):
2371 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2372 		    gw_trans->gw_conf->got_show_site_owner) {
2373 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2374 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2375 			if (kerr != KCGI_OK)
2376 				return 0;
2377 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2378 			    KATTR_ID, "site_owner", KATTR__MAX);
2379 			if (kerr != KCGI_OK)
2380 				return 0;
2381 			kerr = khtml_puts(gw_trans->gw_html_req,
2382 			    gw_trans->gw_conf->got_site_owner);
2383 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2384 			if (kerr != KCGI_OK)
2385 				return 0;
2386 		}
2387 		break;
2388 	case(TEMPL_CONTENT):
2389 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2390 		if (error) {
2391 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2392 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2393 			if (kerr != KCGI_OK)
2394 				return 0;
2395 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2396 			    error->msg);
2397 			if (kerr != KCGI_OK)
2398 				return 0;
2399 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2400 			if (kerr != KCGI_OK)
2401 				return 0;
2402 		}
2403 		break;
2404 	default:
2405 		return 0;
2406 	}
2407 	free(ati);
2408 	free(fic32);
2409 	free(fic16);
2410 	free(swm);
2411 	free(spt);
2412 	free(css);
2413 	free(logo);
2414 	return 1;
2415 err:
2416 	free(ati);
2417 	free(fic32);
2418 	free(fic16);
2419 	free(swm);
2420 	free(spt);
2421 	free(css);
2422 	free(logo);
2423 	return 0;
2424 }
2425 
2426 static const struct got_error *
2427 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2428 {
2429 	const struct got_error *error = NULL;
2430 	enum kcgi_err kerr = KCGI_OK;
2431 
2432 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2433 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2434 	if (kerr != KCGI_OK)
2435 		goto done;
2436 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2440 	if (kerr != KCGI_OK)
2441 		goto done;
2442 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2443 	    KATTR_ID, "header_commit", KATTR__MAX);
2444 	if (kerr != KCGI_OK)
2445 		goto done;
2446 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	if (str2 != NULL) {
2450 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2451 		    KATTR_ID, "refs_str", KATTR__MAX);
2452 		if (kerr != KCGI_OK)
2453 			goto done;
2454 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2455 		if (kerr != KCGI_OK)
2456 			goto done;
2457 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2458 		if (kerr != KCGI_OK)
2459 			goto done;
2460 	}
2461 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2462 done:
2463 	if (error == NULL && kerr != KCGI_OK)
2464 		error = gw_kcgi_error(kerr);
2465 	return error;
2466 }
2467 
2468 static const struct got_error *
2469 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2470 {
2471 	const struct got_error *error = NULL;
2472 	enum kcgi_err kerr = KCGI_OK;
2473 
2474 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2475 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2476 	if (kerr != KCGI_OK)
2477 		goto done;
2478 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2479 	if (kerr != KCGI_OK)
2480 		goto done;
2481 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2482 	if (kerr != KCGI_OK)
2483 		goto done;
2484 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2485 	    KATTR_ID, "header_diff", KATTR__MAX);
2486 	if (kerr != KCGI_OK)
2487 		goto done;
2488 	if (str1 != NULL) {
2489 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2490 		if (kerr != KCGI_OK)
2491 			goto done;
2492 	}
2493 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2494 	if (kerr != KCGI_OK)
2495 		goto done;
2496 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2500 done:
2501 	if (error == NULL && kerr != KCGI_OK)
2502 		error = gw_kcgi_error(kerr);
2503 	return error;
2504 }
2505 
2506 static const struct got_error *
2507 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2508 {
2509 	const struct got_error *error = NULL;
2510 	enum kcgi_err kerr = KCGI_OK;
2511 
2512 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2513 	    KATTR_ID, "header_age_title", KATTR__MAX);
2514 	if (kerr != KCGI_OK)
2515 		goto done;
2516 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2517 	if (kerr != KCGI_OK)
2518 		goto done;
2519 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2520 	if (kerr != KCGI_OK)
2521 		goto done;
2522 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2523 	    KATTR_ID, "header_age", KATTR__MAX);
2524 	if (kerr != KCGI_OK)
2525 		goto done;
2526 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2530 done:
2531 	if (error == NULL && kerr != KCGI_OK)
2532 		error = gw_kcgi_error(kerr);
2533 	return error;
2534 }
2535 
2536 static const struct got_error *
2537 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2538 {
2539 	const struct got_error *error = NULL;
2540 	enum kcgi_err kerr = KCGI_OK;
2541 
2542 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2543 	    KATTR_ID, "header_author_title", KATTR__MAX);
2544 	if (kerr != KCGI_OK)
2545 		goto done;
2546 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2547 	if (kerr != KCGI_OK)
2548 		goto done;
2549 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2550 	if (kerr != KCGI_OK)
2551 		goto done;
2552 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2553 	    KATTR_ID, "header_author", KATTR__MAX);
2554 	if (kerr != KCGI_OK)
2555 		goto done;
2556 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2557 	if (kerr != KCGI_OK)
2558 		goto done;
2559 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2560 done:
2561 	if (error == NULL && kerr != KCGI_OK)
2562 		error = gw_kcgi_error(kerr);
2563 	return error;
2564 }
2565 
2566 static const struct got_error *
2567 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2568 {
2569 	const struct got_error *error = NULL;
2570 	enum kcgi_err kerr = KCGI_OK;
2571 
2572 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2573 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2574 	if (kerr != KCGI_OK)
2575 		goto done;
2576 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2577 	if (kerr != KCGI_OK)
2578 		goto done;
2579 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2580 	if (kerr != KCGI_OK)
2581 		goto done;
2582 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2583 	    KATTR_ID, "header_committer", KATTR__MAX);
2584 	if (kerr != KCGI_OK)
2585 		goto done;
2586 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2587 	if (kerr != KCGI_OK)
2588 		goto done;
2589 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2590 done:
2591 	if (error == NULL && kerr != KCGI_OK)
2592 		error = gw_kcgi_error(kerr);
2593 	return error;
2594 }
2595 
2596 static const struct got_error *
2597 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2598 {
2599 	const struct got_error *error = NULL;
2600 	enum kcgi_err kerr = KCGI_OK;
2601 
2602 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2603 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2604 	if (kerr != KCGI_OK)
2605 		goto done;
2606 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2607 	if (kerr != KCGI_OK)
2608 		goto done;
2609 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2610 	if (kerr != KCGI_OK)
2611 		goto done;
2612 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2613 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2614 	if (kerr != KCGI_OK)
2615 		goto done;
2616 	kerr = khttp_puts(gw_trans->gw_req, str);
2617 	if (kerr != KCGI_OK)
2618 		goto done;
2619 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2620 done:
2621 	if (error == NULL && kerr != KCGI_OK)
2622 		error = gw_kcgi_error(kerr);
2623 	return error;
2624 }
2625 
2626 static const struct got_error *
2627 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2628 {
2629 	const struct got_error *error = NULL;
2630 	enum kcgi_err kerr = KCGI_OK;
2631 
2632 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2633 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2634 	if (kerr != KCGI_OK)
2635 		goto done;
2636 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2637 	if (kerr != KCGI_OK)
2638 		goto done;
2639 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2640 	if (kerr != KCGI_OK)
2641 		goto done;
2642 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2643 	    KATTR_ID, "header_tree", KATTR__MAX);
2644 	if (kerr != KCGI_OK)
2645 		goto done;
2646 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2647 	if (kerr != KCGI_OK)
2648 		goto done;
2649 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2650 done:
2651 	if (error == NULL && kerr != KCGI_OK)
2652 		error = gw_kcgi_error(kerr);
2653 	return error;
2654 }
2655 
2656 static const struct got_error *
2657 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2658     char *dir)
2659 {
2660 	const struct got_error *error = NULL;
2661 	FILE *f = NULL;
2662 	char *d_file = NULL;
2663 	unsigned int len;
2664 	size_t n;
2665 
2666 	*description = NULL;
2667 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2668 		return NULL;
2669 
2670 	if (asprintf(&d_file, "%s/description", dir) == -1)
2671 		return got_error_from_errno("asprintf");
2672 
2673 	f = fopen(d_file, "r");
2674 	if (f == NULL) {
2675 		if (errno == ENOENT || errno == EACCES)
2676 			return NULL;
2677 		error = got_error_from_errno2("fopen", d_file);
2678 		goto done;
2679 	}
2680 
2681 	if (fseek(f, 0, SEEK_END) == -1) {
2682 		error = got_ferror(f, GOT_ERR_IO);
2683 		goto done;
2684 	}
2685 	len = ftell(f);
2686 	if (len == -1) {
2687 		error = got_ferror(f, GOT_ERR_IO);
2688 		goto done;
2689 	}
2690 	if (fseek(f, 0, SEEK_SET) == -1) {
2691 		error = got_ferror(f, GOT_ERR_IO);
2692 		goto done;
2693 	}
2694 	*description = calloc(len + 1, sizeof(**description));
2695 	if (*description == NULL) {
2696 		error = got_error_from_errno("calloc");
2697 		goto done;
2698 	}
2699 
2700 	n = fread(*description, 1, len, f);
2701 	if (n == 0 && ferror(f))
2702 		error = got_ferror(f, GOT_ERR_IO);
2703 done:
2704 	if (f != NULL && fclose(f) == EOF && error == NULL)
2705 		error = got_error_from_errno("fclose");
2706 	free(d_file);
2707 	return error;
2708 }
2709 
2710 static const struct got_error *
2711 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2712 {
2713 	struct tm tm;
2714 	time_t diff_time;
2715 	char *years = "years ago", *months = "months ago";
2716 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2717 	char *minutes = "minutes ago", *seconds = "seconds ago";
2718 	char *now = "right now";
2719 	char *s;
2720 	char datebuf[29];
2721 
2722 	*repo_age = NULL;
2723 
2724 	switch (ref_tm) {
2725 	case TM_DIFF:
2726 		diff_time = time(NULL) - committer_time;
2727 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2728 			if (asprintf(repo_age, "%lld %s",
2729 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2730 				return got_error_from_errno("asprintf");
2731 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2732 			if (asprintf(repo_age, "%lld %s",
2733 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2734 			    months) == -1)
2735 				return got_error_from_errno("asprintf");
2736 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2737 			if (asprintf(repo_age, "%lld %s",
2738 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2739 				return got_error_from_errno("asprintf");
2740 		} else if (diff_time > 60 * 60 * 24 * 2) {
2741 			if (asprintf(repo_age, "%lld %s",
2742 			    (diff_time / 60 / 60 / 24), days) == -1)
2743 				return got_error_from_errno("asprintf");
2744 		} else if (diff_time > 60 * 60 * 2) {
2745 			if (asprintf(repo_age, "%lld %s",
2746 			    (diff_time / 60 / 60), hours) == -1)
2747 				return got_error_from_errno("asprintf");
2748 		} else if (diff_time > 60 * 2) {
2749 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2750 			    minutes) == -1)
2751 				return got_error_from_errno("asprintf");
2752 		} else if (diff_time > 2) {
2753 			if (asprintf(repo_age, "%lld %s", diff_time,
2754 			    seconds) == -1)
2755 				return got_error_from_errno("asprintf");
2756 		} else {
2757 			if (asprintf(repo_age, "%s", now) == -1)
2758 				return got_error_from_errno("asprintf");
2759 		}
2760 		break;
2761 	case TM_LONG:
2762 		if (gmtime_r(&committer_time, &tm) == NULL)
2763 			return got_error_from_errno("gmtime_r");
2764 
2765 		s = asctime_r(&tm, datebuf);
2766 		if (s == NULL)
2767 			return got_error_from_errno("asctime_r");
2768 
2769 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2770 			return got_error_from_errno("asprintf");
2771 		break;
2772 	}
2773 	return NULL;
2774 }
2775 
2776 static const struct got_error *
2777 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2778     const char *refname, int ref_tm)
2779 {
2780 	const struct got_error *error = NULL;
2781 	struct got_repository *repo = NULL;
2782 	struct got_commit_object *commit = NULL;
2783 	struct got_reflist_head refs;
2784 	struct got_reflist_entry *re;
2785 	time_t committer_time = 0, cmp_time = 0;
2786 
2787 	*repo_age = NULL;
2788 	TAILQ_INIT(&refs);
2789 
2790 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2791 		return NULL;
2792 
2793 	if (gw_trans->repo)
2794 		repo = gw_trans->repo;
2795 	else {
2796 		error = got_repo_open(&repo, dir, NULL);
2797 		if (error)
2798 			return error;
2799 	}
2800 
2801 	error = got_ref_list(&refs, repo, "refs/heads",
2802 	    got_ref_cmp_by_name, NULL);
2803 	if (error)
2804 		goto done;
2805 
2806 	/*
2807 	 * Find the youngest branch tip in the repository, or the age of
2808 	 * the a specific branch tip if a name was provided by the caller.
2809 	 */
2810 	TAILQ_FOREACH(re, &refs, entry) {
2811 		struct got_object_id *id = NULL;
2812 
2813 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2814 			continue;
2815 
2816 		error = got_ref_resolve(&id, repo, re->ref);
2817 		if (error)
2818 			goto done;
2819 
2820 		error = got_object_open_as_commit(&commit, repo, id);
2821 		free(id);
2822 		if (error)
2823 			goto done;
2824 
2825 		committer_time =
2826 		    got_object_commit_get_committer_time(commit);
2827 		got_object_commit_close(commit);
2828 		if (cmp_time < committer_time)
2829 			cmp_time = committer_time;
2830 
2831 		if (refname)
2832 			break;
2833 	}
2834 
2835 	if (cmp_time != 0) {
2836 		committer_time = cmp_time;
2837 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2838 	}
2839 done:
2840 	got_ref_list_free(&refs);
2841 	if (gw_trans->repo == NULL) {
2842 		const struct got_error *close_err = got_repo_close(repo);
2843 		if (error == NULL)
2844 			error = close_err;
2845 	}
2846 	return error;
2847 }
2848 
2849 static const struct got_error *
2850 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2851 {
2852 	const struct got_error *error;
2853 	FILE *f = NULL;
2854 	struct got_object_id *id1 = NULL, *id2 = NULL;
2855 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2856 	int obj_type;
2857 	size_t linesize = 0;
2858 	ssize_t linelen;
2859 	enum kcgi_err kerr = KCGI_OK;
2860 
2861 	f = got_opentemp();
2862 	if (f == NULL)
2863 		return NULL;
2864 
2865 	if (header->parent_id != NULL &&
2866 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2867 		error = got_repo_match_object_id(&id1, &label1,
2868 			header->parent_id, GOT_OBJ_TYPE_ANY,
2869 			&header->refs, gw_trans->repo);
2870 		if (error)
2871 			goto done;
2872 	}
2873 
2874 	error = got_repo_match_object_id(&id2, &label2,
2875 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2876 	    gw_trans->repo);
2877 	if (error)
2878 		goto done;
2879 
2880 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2881 	if (error)
2882 		goto done;
2883 	switch (obj_type) {
2884 	case GOT_OBJ_TYPE_BLOB:
2885 		error = got_diff_objects_as_blobs(NULL, NULL, id1, id2,
2886 		    NULL, NULL, 3, 0, 0, gw_trans->repo, f);
2887 		break;
2888 	case GOT_OBJ_TYPE_TREE:
2889 		error = got_diff_objects_as_trees(NULL, NULL, id1, id2,
2890 		   "", "", 3, 0, 0, gw_trans->repo, f);
2891 		break;
2892 	case GOT_OBJ_TYPE_COMMIT:
2893 		error = got_diff_objects_as_commits(NULL, NULL, id1, id2,
2894 		    3, 0, 0, gw_trans->repo, f);
2895 		break;
2896 	default:
2897 		error = got_error(GOT_ERR_OBJ_TYPE);
2898 	}
2899 	if (error)
2900 		goto done;
2901 
2902 	if (fseek(f, 0, SEEK_SET) == -1) {
2903 		error = got_ferror(f, GOT_ERR_IO);
2904 		goto done;
2905 	}
2906 
2907 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2908 		error = gw_colordiff_line(gw_trans, line);
2909 		if (error)
2910 			goto done;
2911 		/* XXX: KHTML_PRETTY breaks this */
2912 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2913 		if (kerr != KCGI_OK)
2914 			goto done;
2915 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2916 		if (kerr != KCGI_OK)
2917 			goto done;
2918 	}
2919 	if (linelen == -1 && ferror(f))
2920 		error = got_error_from_errno("getline");
2921 done:
2922 	if (f && fclose(f) == EOF && error == NULL)
2923 		error = got_error_from_errno("fclose");
2924 	free(line);
2925 	free(label1);
2926 	free(label2);
2927 	free(id1);
2928 	free(id2);
2929 
2930 	if (error == NULL && kerr != KCGI_OK)
2931 		error = gw_kcgi_error(kerr);
2932 	return error;
2933 }
2934 
2935 static const struct got_error *
2936 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2937 {
2938 	const struct got_error *error = NULL, *close_err;
2939 	struct got_repository *repo;
2940 	const char *gitconfig_owner;
2941 
2942 	*owner = NULL;
2943 
2944 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2945 		return NULL;
2946 
2947 	error = got_repo_open(&repo, dir, NULL);
2948 	if (error)
2949 		return error;
2950 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2951 	if (gitconfig_owner) {
2952 		*owner = strdup(gitconfig_owner);
2953 		if (*owner == NULL)
2954 			error = got_error_from_errno("strdup");
2955 	}
2956 	close_err = got_repo_close(repo);
2957 	if (error == NULL)
2958 		error = close_err;
2959 	return error;
2960 }
2961 
2962 static const struct got_error *
2963 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2964 {
2965 	const struct got_error *error = NULL;
2966 	FILE *f;
2967 	char *d_file = NULL;
2968 	unsigned int len;
2969 	size_t n;
2970 
2971 	*url = NULL;
2972 
2973 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2974 		return got_error_from_errno("asprintf");
2975 
2976 	f = fopen(d_file, "r");
2977 	if (f == NULL) {
2978 		if (errno != ENOENT && errno != EACCES)
2979 			error = got_error_from_errno2("fopen", d_file);
2980 		goto done;
2981 	}
2982 
2983 	if (fseek(f, 0, SEEK_END) == -1) {
2984 		error = got_ferror(f, GOT_ERR_IO);
2985 		goto done;
2986 	}
2987 	len = ftell(f);
2988 	if (len == -1) {
2989 		error = got_ferror(f, GOT_ERR_IO);
2990 		goto done;
2991 	}
2992 	if (fseek(f, 0, SEEK_SET) == -1) {
2993 		error = got_ferror(f, GOT_ERR_IO);
2994 		goto done;
2995 	}
2996 
2997 	*url = calloc(len + 1, sizeof(**url));
2998 	if (*url == NULL) {
2999 		error = got_error_from_errno("calloc");
3000 		goto done;
3001 	}
3002 
3003 	n = fread(*url, 1, len, f);
3004 	if (n == 0 && ferror(f))
3005 		error = got_ferror(f, GOT_ERR_IO);
3006 done:
3007 	if (f && fclose(f) == EOF && error == NULL)
3008 		error = got_error_from_errno("fclose");
3009 	free(d_file);
3010 	return NULL;
3011 }
3012 
3013 static const struct got_error *
3014 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3015     int limit, int tag_type)
3016 {
3017 	const struct got_error *error = NULL;
3018 	struct got_reflist_head refs;
3019 	struct got_reflist_entry *re;
3020 	char *age = NULL;
3021 	char *id_str = NULL, *newline, *href_commits = NULL;
3022 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3023 	struct got_tag_object *tag = NULL;
3024 	enum kcgi_err kerr = KCGI_OK;
3025 	int summary_header_displayed = 0, chk_next = 0;
3026 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3027 
3028 	TAILQ_INIT(&refs);
3029 
3030 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3031 	    got_ref_cmp_tags, gw_trans->repo);
3032 	if (error)
3033 		goto done;
3034 
3035 	TAILQ_FOREACH(re, &refs, entry) {
3036 		const char *refname;
3037 		const char *tagger;
3038 		const char *tag_commit;
3039 		time_t tagger_time;
3040 		struct got_object_id *id;
3041 		struct got_commit_object *commit = NULL;
3042 
3043 		refname = got_ref_get_name(re->ref);
3044 		if (strncmp(refname, "refs/tags/", 10) != 0)
3045 			continue;
3046 		refname += 10;
3047 
3048 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3049 		if (error)
3050 			goto done;
3051 
3052 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3053 		if (error) {
3054 			if (error->code != GOT_ERR_OBJ_TYPE) {
3055 				free(id);
3056 				goto done;
3057 			}
3058 			/* "lightweight" tag */
3059 			error = got_object_open_as_commit(&commit,
3060 			    gw_trans->repo, id);
3061 			if (error) {
3062 				free(id);
3063 				goto done;
3064 			}
3065 			tagger = got_object_commit_get_committer(commit);
3066 			tagger_time =
3067 			    got_object_commit_get_committer_time(commit);
3068 			error = got_object_id_str(&id_str, id);
3069 			free(id);
3070 		} else {
3071 			free(id);
3072 			tagger = got_object_tag_get_tagger(tag);
3073 			tagger_time = got_object_tag_get_tagger_time(tag);
3074 			error = got_object_id_str(&id_str,
3075 			    got_object_tag_get_object_id(tag));
3076 		}
3077 		if (error)
3078 			goto done;
3079 
3080 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3081 		    strlen(id_str)) != 0)
3082 			continue;
3083 
3084 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3085 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3086 		    strlen(id_str)) != 0)
3087 			continue;
3088 		else
3089 			commit_found = 1;
3090 
3091 		tag_count++;
3092 
3093 		if (chk_next) {
3094 			gw_trans->next_id = strdup(id_str);
3095 			if (gw_trans->next_id == NULL)
3096 				error = got_error_from_errno("strdup");
3097 			goto prev;
3098 		}
3099 
3100 		if (commit) {
3101 			error = got_object_commit_get_logmsg(&tag_commit0,
3102 			    commit);
3103 			if (error)
3104 				goto done;
3105 			got_object_commit_close(commit);
3106 		} else {
3107 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3108 			if (tag_commit0 == NULL) {
3109 				error = got_error_from_errno("strdup");
3110 				goto done;
3111 			}
3112 		}
3113 
3114 		tag_commit = tag_commit0;
3115 		while (*tag_commit == '\n')
3116 			tag_commit++;
3117 
3118 		switch (tag_type) {
3119 		case TAGBRIEF:
3120 			newline = strchr(tag_commit, '\n');
3121 			if (newline)
3122 				*newline = '\0';
3123 
3124 			if (summary_header_displayed == 0) {
3125 				kerr = khtml_attr(gw_trans->gw_html_req,
3126 				    KELEM_DIV, KATTR_ID,
3127 				    "summary_tags_title_wrapper", KATTR__MAX);
3128 				if (kerr != KCGI_OK)
3129 					goto done;
3130 				kerr = khtml_attr(gw_trans->gw_html_req,
3131 				    KELEM_DIV, KATTR_ID,
3132 				    "summary_tags_title", KATTR__MAX);
3133 				if (kerr != KCGI_OK)
3134 					goto done;
3135 				kerr = khtml_puts(gw_trans->gw_html_req,
3136 				    "Tags");
3137 				if (kerr != KCGI_OK)
3138 					goto done;
3139 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3140 				    2);
3141 				if (kerr != KCGI_OK)
3142 					goto done;
3143 				kerr = khtml_attr(gw_trans->gw_html_req,
3144 				    KELEM_DIV, KATTR_ID,
3145 				    "summary_tags_content", KATTR__MAX);
3146 				if (kerr != KCGI_OK)
3147 					goto done;
3148 				summary_header_displayed = 1;
3149 			}
3150 
3151 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3152 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3153 			if (kerr != KCGI_OK)
3154 				goto done;
3155 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3156 			    KATTR_ID, "tag_age", KATTR__MAX);
3157 			if (kerr != KCGI_OK)
3158 				goto done;
3159 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3160 			if (error)
3161 				goto done;
3162 			kerr = khtml_puts(gw_trans->gw_html_req,
3163 			    age ? age : "");
3164 			if (kerr != KCGI_OK)
3165 				goto done;
3166 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3167 			if (kerr != KCGI_OK)
3168 				goto done;
3169 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3170 			    KATTR_ID, "tag", KATTR__MAX);
3171 			if (kerr != KCGI_OK)
3172 				goto done;
3173 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3174 			if (kerr != KCGI_OK)
3175 				goto done;
3176 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3177 			if (kerr != KCGI_OK)
3178 				goto done;
3179 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3180 			    KATTR_ID, "tag_name", KATTR__MAX);
3181 			if (kerr != KCGI_OK)
3182 				goto done;
3183 
3184 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3185 			    gw_trans->repo_name, "action", "tag", "commit",
3186 			    id_str, NULL);
3187 			if (href_tag == NULL) {
3188 				error = got_error_from_errno("khttp_urlpart");
3189 				goto done;
3190 			}
3191 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3192 			    KATTR_HREF, href_tag, KATTR__MAX);
3193 			if (kerr != KCGI_OK)
3194 				goto done;
3195 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3196 			if (kerr != KCGI_OK)
3197 				goto done;
3198 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3199 			if (kerr != KCGI_OK)
3200 				goto done;
3201 
3202 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3203 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3204 			if (kerr != KCGI_OK)
3205 				goto done;
3206 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3207 			    KATTR_ID, "navs", KATTR__MAX);
3208 			if (kerr != KCGI_OK)
3209 				goto done;
3210 
3211 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3212 			    KATTR_HREF, href_tag, KATTR__MAX);
3213 			if (kerr != KCGI_OK)
3214 				goto done;
3215 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3216 			if (kerr != KCGI_OK)
3217 				goto done;
3218 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3219 			if (kerr != KCGI_OK)
3220 				goto done;
3221 
3222 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3223 			if (kerr != KCGI_OK)
3224 				goto done;
3225 
3226 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3227 			    "path", gw_trans->repo_name, "action", "briefs",
3228 			    "commit", id_str, NULL);
3229 			if (href_briefs == NULL) {
3230 				error = got_error_from_errno("khttp_urlpart");
3231 				goto done;
3232 			}
3233 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3234 			    KATTR_HREF, href_briefs, KATTR__MAX);
3235 			if (kerr != KCGI_OK)
3236 				goto done;
3237 			kerr = khtml_puts(gw_trans->gw_html_req,
3238 			    "commit briefs");
3239 			if (kerr != KCGI_OK)
3240 				goto done;
3241 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3242 			if (kerr != KCGI_OK)
3243 				goto done;
3244 
3245 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3246 			if (kerr != KCGI_OK)
3247 				goto done;
3248 
3249 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3250 			    "path", gw_trans->repo_name, "action", "commits",
3251 			    "commit", id_str, NULL);
3252 			if (href_commits == NULL) {
3253 				error = got_error_from_errno("khttp_urlpart");
3254 				goto done;
3255 			}
3256 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3257 			    KATTR_HREF, href_commits, KATTR__MAX);
3258 			if (kerr != KCGI_OK)
3259 				goto done;
3260 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3261 			if (kerr != KCGI_OK)
3262 				goto done;
3263 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3264 			if (kerr != KCGI_OK)
3265 				goto done;
3266 
3267 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3268 			    KATTR_ID, "dotted_line", KATTR__MAX);
3269 			if (kerr != KCGI_OK)
3270 				goto done;
3271 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3272 			if (kerr != KCGI_OK)
3273 				goto done;
3274 			break;
3275 		case TAGFULL:
3276 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3277 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3278 			if (kerr != KCGI_OK)
3279 				goto done;
3280 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3281 			if (kerr != KCGI_OK)
3282 				goto done;
3283 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3284 			if (kerr != KCGI_OK)
3285 				goto done;
3286 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3287 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3288 			if (kerr != KCGI_OK)
3289 				goto done;
3290 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3291 			if (error)
3292 				goto done;
3293 			kerr = khtml_puts(gw_trans->gw_html_req,
3294 			    age ? age : "");
3295 			if (kerr != KCGI_OK)
3296 				goto done;
3297 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3298 			if (kerr != KCGI_OK)
3299 				goto done;
3300 
3301 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3302 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3303 			if (kerr != KCGI_OK)
3304 				goto done;
3305 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3306 			if (kerr != KCGI_OK)
3307 				goto done;
3308 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3309 			if (kerr != KCGI_OK)
3310 				goto done;
3311 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3312 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3313 			if (kerr != KCGI_OK)
3314 				goto done;
3315 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3316 			if (kerr != KCGI_OK)
3317 				goto done;
3318 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3319 			if (kerr != KCGI_OK)
3320 				goto done;
3321 
3322 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3323 			    KATTR_ID, "tag_info", KATTR__MAX);
3324 			if (kerr != KCGI_OK)
3325 				goto done;
3326 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3327 			if (kerr != KCGI_OK)
3328 				goto done;
3329 			break;
3330 		default:
3331 			break;
3332 		}
3333 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3334 		if (kerr != KCGI_OK)
3335 			goto done;
3336 
3337 		if (limit && --limit == 0)
3338 			chk_next = 1;
3339 
3340 		if (tag)
3341 			got_object_tag_close(tag);
3342 		tag = NULL;
3343 		free(id_str);
3344 		id_str = NULL;
3345 		free(age);
3346 		age = NULL;
3347 		free(tag_commit0);
3348 		tag_commit0 = NULL;
3349 		free(href_tag);
3350 		href_tag = NULL;
3351 		free(href_briefs);
3352 		href_briefs = NULL;
3353 		free(href_commits);
3354 		href_commits = NULL;
3355 	}
3356 	if (tag_count == 0) {
3357 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3358 		    "summary_tags_title_wrapper", KATTR__MAX);
3359 		if (kerr != KCGI_OK)
3360 			goto done;
3361 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3362 		    "summary_tags_title", KATTR__MAX);
3363 		if (kerr != KCGI_OK)
3364 			goto done;
3365 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3366 		if (kerr != KCGI_OK)
3367 			goto done;
3368 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3369 		if (kerr != KCGI_OK)
3370 			goto done;
3371 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3372 		    "summary_tags_content", KATTR__MAX);
3373 		if (kerr != KCGI_OK)
3374 			goto done;
3375 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3376 		    "tags_info", KATTR__MAX);
3377 		if (kerr != KCGI_OK)
3378 			goto done;
3379 		kerr = khttp_puts(gw_trans->gw_req,
3380 		    "There are no tags for this repo.");
3381 		if (kerr != KCGI_OK)
3382 			goto done;
3383 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3384 		goto done;
3385 	}
3386 prev:
3387 	commit_found = 0;
3388 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3389 		const char *refname;
3390 		const char *tagger;
3391 		time_t tagger_time;
3392 		struct got_object_id *id;
3393 		struct got_commit_object *commit = NULL;
3394 
3395 		refname = got_ref_get_name(re->ref);
3396 		if (strncmp(refname, "refs/tags/", 10) != 0)
3397 			continue;
3398 		refname += 10;
3399 
3400 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3401 		if (error)
3402 			goto done;
3403 
3404 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3405 		if (error) {
3406 			if (error->code != GOT_ERR_OBJ_TYPE) {
3407 				free(id);
3408 				goto done;
3409 			}
3410 			/* "lightweight" tag */
3411 			error = got_object_open_as_commit(&commit,
3412 			    gw_trans->repo, id);
3413 			if (error) {
3414 				free(id);
3415 				goto done;
3416 			}
3417 			tagger = got_object_commit_get_committer(commit);
3418 			tagger_time =
3419 			    got_object_commit_get_committer_time(commit);
3420 			error = got_object_id_str(&id_str, id);
3421 			free(id);
3422 		} else {
3423 			free(id);
3424 			tagger = got_object_tag_get_tagger(tag);
3425 			tagger_time = got_object_tag_get_tagger_time(tag);
3426 			error = got_object_id_str(&id_str,
3427 			    got_object_tag_get_object_id(tag));
3428 		}
3429 		if (error)
3430 			goto done;
3431 
3432 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3433 		    strlen(id_str)) != 0)
3434 			continue;
3435 
3436 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3437 		    gw_trans->commit_id  != NULL &&
3438 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3439 			continue;
3440 		else
3441 			commit_found = 1;
3442 
3443 		if (gw_trans->commit_id != NULL &&
3444 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3445 		    (re == TAILQ_FIRST(&refs) ||
3446 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3447 			gw_trans->prev_id = strdup(id_str);
3448 			if (gw_trans->prev_id == NULL) {
3449 				error = got_error_from_errno("strdup");
3450 				goto done;
3451 			}
3452 			break;
3453 		}
3454 		c_cnt++;
3455 	}
3456 done:
3457 	if (tag)
3458 		got_object_tag_close(tag);
3459 	free(id_str);
3460 	free(age);
3461 	free(tag_commit0);
3462 	free(href_tag);
3463 	free(href_briefs);
3464 	free(href_commits);
3465 	got_ref_list_free(&refs);
3466 	if (error == NULL && kerr != KCGI_OK)
3467 		error = gw_kcgi_error(kerr);
3468 	return error;
3469 }
3470 
3471 static void
3472 gw_free_header(struct gw_header *header)
3473 {
3474 	free(header->path);
3475 	free(header->author);
3476 	free(header->committer);
3477 	free(header->refs_str);
3478 	free(header->commit_id);
3479 	free(header->parent_id);
3480 	free(header->tree_id);
3481 	free(header->commit_msg);
3482 }
3483 
3484 static struct gw_header *
3485 gw_init_header()
3486 {
3487 	struct gw_header *header;
3488 
3489 	header = malloc(sizeof(*header));
3490 	if (header == NULL)
3491 		return NULL;
3492 
3493 	header->path = NULL;
3494 	TAILQ_INIT(&header->refs);
3495 
3496 	header->refs_str = NULL;
3497 	header->commit_id = NULL;
3498 	header->committer = NULL;
3499 	header->author = NULL;
3500 	header->parent_id = NULL;
3501 	header->tree_id = NULL;
3502 	header->commit_msg = NULL;
3503 
3504 	return header;
3505 }
3506 
3507 static const struct got_error *
3508 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3509     int limit, struct got_object_id *id)
3510 {
3511 	const struct got_error *error = NULL;
3512 	struct got_commit_graph *graph = NULL;
3513 	struct got_commit_object *commit = NULL;
3514 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3515 	struct gw_header *t_header = NULL;
3516 
3517 	error = got_commit_graph_open(&graph, header->path, 0);
3518 	if (error)
3519 		return error;
3520 
3521 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3522 	    NULL);
3523 	if (error)
3524 		goto done;
3525 
3526 	for (;;) {
3527 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3528 		    NULL, NULL);
3529 		if (error) {
3530 			if (error->code == GOT_ERR_ITER_COMPLETED)
3531 				error = NULL;
3532 			goto err;
3533 		}
3534 		if (id == NULL)
3535 			goto err;
3536 
3537 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3538 			if (error)
3539 				goto err;
3540 		if (limit == 1 && chk_multi == 0 &&
3541 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3542 			error = gw_get_commit(gw_trans, header, commit, id);
3543 			if (error)
3544 				goto err;
3545 			commit_found = 1;
3546 		} else {
3547 			chk_multi = 1;
3548 			struct gw_header *n_header = NULL;
3549 			if ((n_header = gw_init_header()) == NULL) {
3550 				error = got_error_from_errno("malloc");
3551 				goto err;
3552 			}
3553 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3554 			    entry);
3555 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3556 			    NULL, got_ref_cmp_by_name, NULL);
3557 			if (error)
3558 				goto err;
3559 
3560 			error = gw_get_commit(gw_trans, n_header, commit, id);
3561 			if (error)
3562 				goto err;
3563 			got_ref_list_free(&n_header->refs);
3564 
3565 			if (gw_trans->commit_id != NULL) {
3566 				if (strcmp(gw_trans->commit_id,
3567 				    n_header->commit_id) == 0)
3568 					commit_found = 1;
3569 			} else
3570 				commit_found = 1;
3571 
3572 			/*
3573 			 * check for one more commit before breaking,
3574 			 * so we know whether to navicate through gw_briefs
3575 			 * gw_commits and gw_summary
3576 			 */
3577 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3578 			    gw_trans->action == GW_COMMITS ||
3579 			    gw_trans->action == GW_SUMMARY)) {
3580 				gw_trans->next_id = strdup(n_header->commit_id);
3581 				if (gw_trans->next_id == NULL)
3582 					error = got_error_from_errno("strdup");
3583 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3584 				    entry);
3585 				goto done;
3586 			}
3587 
3588 		}
3589 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3590 			if (chk_multi == 0)
3591 				break;
3592 			chk_next = 1;
3593 		}
3594 	}
3595 done:
3596 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3597 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS ||
3598 	    gw_trans->action == GW_SUMMARY)) {
3599 		commit_found = 0;
3600 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3601 		    headers, entry) {
3602 			if (commit_found == 0 &&
3603 			    strcmp(gw_trans->commit_id,
3604 			    t_header->commit_id) != 0)
3605 				continue;
3606 			else
3607 				commit_found = 1;
3608 			if (gw_trans->commit_id != NULL &&
3609 			    strcmp(gw_trans->commit_id,
3610 			    t_header->commit_id) != 0 &&
3611 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3612 			    || t_header ==
3613 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3614 				gw_trans->prev_id = strdup(t_header->commit_id);
3615 				if (gw_trans->prev_id == NULL)
3616 					error = got_error_from_errno("strdup");
3617 				break;
3618 			}
3619 			c_cnt++;
3620 		}
3621 	}
3622 
3623 err:
3624 	if (commit != NULL)
3625 		got_object_commit_close(commit);
3626 	if (graph)
3627 		got_commit_graph_close(graph);
3628 	return error;
3629 }
3630 
3631 static const struct got_error *
3632 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3633     struct got_commit_object *commit, struct got_object_id *id)
3634 {
3635 	const struct got_error *error = NULL;
3636 	struct got_reflist_entry *re;
3637 	struct got_object_id *id2 = NULL;
3638 	struct got_object_qid *parent_id;
3639 	char *commit_msg = NULL, *commit_msg0;
3640 
3641 	/*print commit*/
3642 	TAILQ_FOREACH(re, &header->refs, entry) {
3643 		char *s;
3644 		const char *name;
3645 		struct got_tag_object *tag = NULL;
3646 		struct got_object_id *ref_id;
3647 		int cmp;
3648 
3649 		if (got_ref_is_symbolic(re->ref))
3650 			continue;
3651 
3652 		name = got_ref_get_name(re->ref);
3653 		if (strncmp(name, "refs/", 5) == 0)
3654 			name += 5;
3655 		if (strncmp(name, "got/", 4) == 0)
3656 			continue;
3657 		if (strncmp(name, "heads/", 6) == 0)
3658 			name += 6;
3659 		if (strncmp(name, "remotes/", 8) == 0) {
3660 			name += 8;
3661 			s = strstr(name, "/" GOT_REF_HEAD);
3662 			if (s != NULL && s[strlen(s)] == '\0')
3663 				continue;
3664 		}
3665 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3666 		if (error)
3667 			return error;
3668 		if (strncmp(name, "tags/", 5) == 0) {
3669 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3670 			    ref_id);
3671 			if (error) {
3672 				if (error->code != GOT_ERR_OBJ_TYPE) {
3673 					free(ref_id);
3674 					continue;
3675 				}
3676 				/*
3677 				 * Ref points at something other
3678 				 * than a tag.
3679 				 */
3680 				error = NULL;
3681 				tag = NULL;
3682 			}
3683 		}
3684 		cmp = got_object_id_cmp(tag ?
3685 		    got_object_tag_get_object_id(tag) : ref_id, id);
3686 		free(ref_id);
3687 		if (tag)
3688 			got_object_tag_close(tag);
3689 		if (cmp != 0)
3690 			continue;
3691 		s = header->refs_str;
3692 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3693 		    s ? ", " : "", name) == -1) {
3694 			error = got_error_from_errno("asprintf");
3695 			free(s);
3696 			header->refs_str = NULL;
3697 			return error;
3698 		}
3699 		free(s);
3700 	}
3701 
3702 	error = got_object_id_str(&header->commit_id, id);
3703 	if (error)
3704 		return error;
3705 
3706 	error = got_object_id_str(&header->tree_id,
3707 	    got_object_commit_get_tree_id(commit));
3708 	if (error)
3709 		return error;
3710 
3711 	if (gw_trans->action == GW_DIFF) {
3712 		parent_id = STAILQ_FIRST(
3713 		    got_object_commit_get_parent_ids(commit));
3714 		if (parent_id != NULL) {
3715 			id2 = got_object_id_dup(parent_id->id);
3716 			free (parent_id);
3717 			error = got_object_id_str(&header->parent_id, id2);
3718 			if (error)
3719 				return error;
3720 			free(id2);
3721 		} else {
3722 			header->parent_id = strdup("/dev/null");
3723 			if (header->parent_id == NULL) {
3724 				error = got_error_from_errno("strdup");
3725 				return error;
3726 			}
3727 		}
3728 	}
3729 
3730 	header->committer_time =
3731 	    got_object_commit_get_committer_time(commit);
3732 
3733 	header->author =
3734 	    strdup(got_object_commit_get_author(commit));
3735 	if (header->author == NULL) {
3736 		error = got_error_from_errno("strdup");
3737 		return error;
3738 	}
3739 	header->committer =
3740 	    strdup(got_object_commit_get_committer(commit));
3741 	if (header->committer == NULL) {
3742 		error = got_error_from_errno("strdup");
3743 		return error;
3744 	}
3745 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3746 	if (error)
3747 		return error;
3748 
3749 	commit_msg = commit_msg0;
3750 	while (*commit_msg == '\n')
3751 		commit_msg++;
3752 
3753 	header->commit_msg = strdup(commit_msg);
3754 	if (header->commit_msg == NULL)
3755 		error = got_error_from_errno("strdup");
3756 	free(commit_msg0);
3757 	return error;
3758 }
3759 
3760 static const struct got_error *
3761 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3762 {
3763 	const struct got_error *error = NULL;
3764 	char *in_repo_path = NULL;
3765 	struct got_object_id *id = NULL;
3766 	struct got_reference *ref;
3767 
3768 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3769 	if (error)
3770 		return error;
3771 
3772 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3773 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3774 	    gw_trans->action == GW_TAGS) {
3775 		error = got_ref_open(&ref, gw_trans->repo,
3776 		    gw_trans->headref, 0);
3777 		if (error)
3778 			return error;
3779 
3780 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3781 		got_ref_close(ref);
3782 		if (error)
3783 			return error;
3784 	} else {
3785 		error = got_ref_open(&ref, gw_trans->repo,
3786 		    gw_trans->commit_id, 0);
3787 		if (error == NULL) {
3788 			int obj_type;
3789 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3790 			got_ref_close(ref);
3791 			if (error)
3792 				return error;
3793 			error = got_object_get_type(&obj_type, gw_trans->repo,
3794 			    id);
3795 			if (error)
3796 				goto done;
3797 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3798 				struct got_tag_object *tag;
3799 				error = got_object_open_as_tag(&tag,
3800 				    gw_trans->repo, id);
3801 				if (error)
3802 					goto done;
3803 				if (got_object_tag_get_object_type(tag) !=
3804 				    GOT_OBJ_TYPE_COMMIT) {
3805 					got_object_tag_close(tag);
3806 					error = got_error(GOT_ERR_OBJ_TYPE);
3807 					goto done;
3808 				}
3809 				free(id);
3810 				id = got_object_id_dup(
3811 				    got_object_tag_get_object_id(tag));
3812 				if (id == NULL)
3813 					error = got_error_from_errno(
3814 					    "got_object_id_dup");
3815 				got_object_tag_close(tag);
3816 				if (error)
3817 					goto done;
3818 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3819 				error = got_error(GOT_ERR_OBJ_TYPE);
3820 				goto done;
3821 			}
3822 		}
3823 		error = got_repo_match_object_id_prefix(&id,
3824 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3825 			    gw_trans->repo);
3826 		if (error)
3827 			goto done;
3828 	}
3829 
3830 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3831 	    gw_trans->repo_path);
3832 	if (error)
3833 		goto done;
3834 
3835 	if (in_repo_path) {
3836 		header->path = strdup(in_repo_path);
3837 		if (header->path == NULL) {
3838 			error = got_error_from_errno("strdup");
3839 			goto done;
3840 		}
3841 	}
3842 
3843 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3844 	    got_ref_cmp_by_name, NULL);
3845 	if (error)
3846 		goto done;
3847 
3848 	error = gw_get_commits(gw_trans, header, limit, id);
3849 done:
3850 	got_ref_list_free(&header->refs);
3851 	free(id);
3852 	free(in_repo_path);
3853 	return error;
3854 }
3855 
3856 struct blame_line {
3857 	int annotated;
3858 	char *id_str;
3859 	char *committer;
3860 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3861 };
3862 
3863 struct gw_blame_cb_args {
3864 	struct blame_line *lines;
3865 	int nlines;
3866 	int nlines_prec;
3867 	int lineno_cur;
3868 	off_t *line_offsets;
3869 	FILE *f;
3870 	struct got_repository *repo;
3871 	struct gw_trans *gw_trans;
3872 };
3873 
3874 static const struct got_error *
3875 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3876 {
3877 	const struct got_error *err = NULL;
3878 	struct gw_blame_cb_args *a = arg;
3879 	struct blame_line *bline;
3880 	char *line = NULL;
3881 	size_t linesize = 0;
3882 	struct got_commit_object *commit = NULL;
3883 	off_t offset;
3884 	struct tm tm;
3885 	time_t committer_time;
3886 	enum kcgi_err kerr = KCGI_OK;
3887 
3888 	if (nlines != a->nlines ||
3889 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3890 		return got_error(GOT_ERR_RANGE);
3891 
3892 	if (lineno == -1)
3893 		return NULL; /* no change in this commit */
3894 
3895 	/* Annotate this line. */
3896 	bline = &a->lines[lineno - 1];
3897 	if (bline->annotated)
3898 		return NULL;
3899 	err = got_object_id_str(&bline->id_str, id);
3900 	if (err)
3901 		return err;
3902 
3903 	err = got_object_open_as_commit(&commit, a->repo, id);
3904 	if (err)
3905 		goto done;
3906 
3907 	bline->committer = strdup(got_object_commit_get_committer(commit));
3908 	if (bline->committer == NULL) {
3909 		err = got_error_from_errno("strdup");
3910 		goto done;
3911 	}
3912 
3913 	committer_time = got_object_commit_get_committer_time(commit);
3914 	if (localtime_r(&committer_time, &tm) == NULL)
3915 		return got_error_from_errno("localtime_r");
3916 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3917 	    &tm) == 0) {
3918 		err = got_error(GOT_ERR_NO_SPACE);
3919 		goto done;
3920 	}
3921 	bline->annotated = 1;
3922 
3923 	/* Print lines annotated so far. */
3924 	bline = &a->lines[a->lineno_cur - 1];
3925 	if (!bline->annotated)
3926 		goto done;
3927 
3928 	offset = a->line_offsets[a->lineno_cur - 1];
3929 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3930 		err = got_error_from_errno("fseeko");
3931 		goto done;
3932 	}
3933 
3934 	while (bline->annotated) {
3935 		char *smallerthan, *at, *nl, *committer;
3936 		char *href_diff = NULL;
3937 		size_t len;
3938 
3939 		if (getline(&line, &linesize, a->f) == -1) {
3940 			if (ferror(a->f))
3941 				err = got_error_from_errno("getline");
3942 			break;
3943 		}
3944 
3945 		committer = bline->committer;
3946 		smallerthan = strchr(committer, '<');
3947 		if (smallerthan && smallerthan[1] != '\0')
3948 			committer = smallerthan + 1;
3949 		at = strchr(committer, '@');
3950 		if (at)
3951 			*at = '\0';
3952 		len = strlen(committer);
3953 		if (len >= 9)
3954 			committer[8] = '\0';
3955 
3956 		nl = strchr(line, '\n');
3957 		if (nl)
3958 			*nl = '\0';
3959 
3960 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3961 		    "blame_wrapper", KATTR__MAX);
3962 		if (kerr != KCGI_OK)
3963 			goto err;
3964 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3965 		    "blame_number", KATTR__MAX);
3966 		if (kerr != KCGI_OK)
3967 			goto err;
3968 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3969 		    a->nlines_prec, a->lineno_cur);
3970 		if (kerr != KCGI_OK)
3971 			goto err;
3972 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3973 		if (kerr != KCGI_OK)
3974 			goto err;
3975 
3976 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3977 		    "blame_hash", KATTR__MAX);
3978 		if (kerr != KCGI_OK)
3979 			goto err;
3980 
3981 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3982 		    a->gw_trans->repo_name, "action", "diff", "commit",
3983 		    bline->id_str, NULL);
3984 		if (href_diff == NULL) {
3985 			err = got_error_from_errno("khttp_urlpart");
3986 			goto done;
3987 		}
3988 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3989 		    KATTR_HREF, href_diff, KATTR__MAX);
3990 		if (kerr != KCGI_OK)
3991 			goto done;
3992 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3993 		    bline->id_str);
3994 		if (kerr != KCGI_OK)
3995 			goto err;
3996 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3997 		if (kerr != KCGI_OK)
3998 			goto err;
3999 
4000 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4001 		    "blame_date", KATTR__MAX);
4002 		if (kerr != KCGI_OK)
4003 			goto err;
4004 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
4005 		if (kerr != KCGI_OK)
4006 			goto err;
4007 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4008 		if (kerr != KCGI_OK)
4009 			goto err;
4010 
4011 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4012 		    "blame_author", KATTR__MAX);
4013 		if (kerr != KCGI_OK)
4014 			goto err;
4015 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
4016 		if (kerr != KCGI_OK)
4017 			goto err;
4018 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4019 		if (kerr != KCGI_OK)
4020 			goto err;
4021 
4022 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4023 		    "blame_code", KATTR__MAX);
4024 		if (kerr != KCGI_OK)
4025 			goto err;
4026 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
4027 		if (kerr != KCGI_OK)
4028 			goto err;
4029 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4030 		if (kerr != KCGI_OK)
4031 			goto err;
4032 
4033 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4034 		if (kerr != KCGI_OK)
4035 			goto err;
4036 
4037 		a->lineno_cur++;
4038 		bline = &a->lines[a->lineno_cur - 1];
4039 err:
4040 		free(href_diff);
4041 	}
4042 done:
4043 	if (commit)
4044 		got_object_commit_close(commit);
4045 	free(line);
4046 	if (err == NULL && kerr != KCGI_OK)
4047 		err = gw_kcgi_error(kerr);
4048 	return err;
4049 }
4050 
4051 static const struct got_error *
4052 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4053 {
4054 	const struct got_error *error = NULL;
4055 	struct got_object_id *obj_id = NULL;
4056 	struct got_object_id *commit_id = NULL;
4057 	struct got_blob_object *blob = NULL;
4058 	char *path = NULL, *in_repo_path = NULL;
4059 	struct gw_blame_cb_args bca;
4060 	int i, obj_type;
4061 	off_t filesize;
4062 
4063 	if (asprintf(&path, "%s%s%s",
4064 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4065 	    gw_trans->repo_folder ? "/" : "",
4066 	    gw_trans->repo_file) == -1) {
4067 		error = got_error_from_errno("asprintf");
4068 		goto done;
4069 	}
4070 
4071 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4072 	if (error)
4073 		goto done;
4074 
4075 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4076 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4077 	if (error)
4078 		goto done;
4079 
4080 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4081 	    in_repo_path);
4082 	if (error)
4083 		goto done;
4084 
4085 	if (obj_id == NULL) {
4086 		error = got_error(GOT_ERR_NO_OBJ);
4087 		goto done;
4088 	}
4089 
4090 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4091 	if (error)
4092 		goto done;
4093 
4094 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4095 		error = got_error(GOT_ERR_OBJ_TYPE);
4096 		goto done;
4097 	}
4098 
4099 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4100 	if (error)
4101 		goto done;
4102 
4103 	bca.f = got_opentemp();
4104 	if (bca.f == NULL) {
4105 		error = got_error_from_errno("got_opentemp");
4106 		goto done;
4107 	}
4108 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4109 	    &bca.line_offsets, bca.f, blob);
4110 	if (error || bca.nlines == 0)
4111 		goto done;
4112 
4113 	/* Don't include \n at EOF in the blame line count. */
4114 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4115 		bca.nlines--;
4116 
4117 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4118 	if (bca.lines == NULL) {
4119 		error = got_error_from_errno("calloc");
4120 		goto done;
4121 	}
4122 	bca.lineno_cur = 1;
4123 	bca.nlines_prec = 0;
4124 	i = bca.nlines;
4125 	while (i > 0) {
4126 		i /= 10;
4127 		bca.nlines_prec++;
4128 	}
4129 	bca.repo = gw_trans->repo;
4130 	bca.gw_trans = gw_trans;
4131 
4132 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
4133 	    &bca, NULL, NULL);
4134 done:
4135 	free(in_repo_path);
4136 	free(commit_id);
4137 	free(obj_id);
4138 	free(path);
4139 
4140 	if (blob) {
4141 		free(bca.line_offsets);
4142 		for (i = 0; i < bca.nlines; i++) {
4143 			struct blame_line *bline = &bca.lines[i];
4144 			free(bline->id_str);
4145 			free(bline->committer);
4146 		}
4147 		free(bca.lines);
4148 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4149 			error = got_error_from_errno("fclose");
4150 	}
4151 	if (blob)
4152 		got_object_blob_close(blob);
4153 	return error;
4154 }
4155 
4156 static const struct got_error *
4157 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4158 {
4159 	const struct got_error *error = NULL;
4160 	struct got_object_id *obj_id = NULL;
4161 	struct got_object_id *commit_id = NULL;
4162 	struct got_blob_object *blob = NULL;
4163 	char *path = NULL, *in_repo_path = NULL;
4164 	int obj_type, set_mime = 0;
4165 	size_t len, hdrlen;
4166 	const uint8_t *buf;
4167 	enum kcgi_err kerr = KCGI_OK;
4168 
4169 	if (asprintf(&path, "%s%s%s",
4170 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4171 	    gw_trans->repo_folder ? "/" : "",
4172 	    gw_trans->repo_file) == -1) {
4173 		error = got_error_from_errno("asprintf");
4174 		goto done;
4175 	}
4176 
4177 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4178 	if (error)
4179 		goto done;
4180 
4181 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4182 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4183 	if (error)
4184 		goto done;
4185 
4186 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4187 	    in_repo_path);
4188 	if (error)
4189 		goto done;
4190 
4191 	if (obj_id == NULL) {
4192 		error = got_error(GOT_ERR_NO_OBJ);
4193 		goto done;
4194 	}
4195 
4196 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4197 	if (error)
4198 		goto done;
4199 
4200 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4201 		error = got_error(GOT_ERR_OBJ_TYPE);
4202 		goto done;
4203 	}
4204 
4205 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4206 	if (error)
4207 		goto done;
4208 
4209 	hdrlen = got_object_blob_get_hdrlen(blob);
4210 	do {
4211 		error = got_object_blob_read_block(&len, blob);
4212 		if (error)
4213 			goto done;
4214 		buf = got_object_blob_get_read_buf(blob);
4215 
4216 		/*
4217 		 * Skip blob object header first time around,
4218 		 * which also contains a zero byte.
4219 		 */
4220 		buf += hdrlen;
4221 		if (set_mime == 0) {
4222 			if (isbinary(buf, len - hdrlen))
4223 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4224 			else
4225 				gw_trans->mime = KMIME_TEXT_PLAIN;
4226 			set_mime = 1;
4227 			error = gw_display_index(gw_trans);
4228 			if (error)
4229 				goto done;
4230 		}
4231 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4232 		if (kerr != KCGI_OK)
4233 			goto done;
4234 		hdrlen = 0;
4235 	} while (len != 0);
4236 done:
4237 	free(in_repo_path);
4238 	free(commit_id);
4239 	free(obj_id);
4240 	free(path);
4241 	if (blob)
4242 		got_object_blob_close(blob);
4243 	if (error == NULL && kerr != KCGI_OK)
4244 		error = gw_kcgi_error(kerr);
4245 	return error;
4246 }
4247 
4248 static const struct got_error *
4249 gw_output_repo_tree(struct gw_trans *gw_trans, struct gw_header *header)
4250 {
4251 	const struct got_error *error = NULL;
4252 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4253 	struct got_tree_object *tree = NULL;
4254 	char *path = NULL, *in_repo_path = NULL;
4255 	char *id_str = NULL;
4256 	char *build_folder = NULL;
4257 	char *href_blob = NULL, *href_blame = NULL;
4258 	const char *class = NULL;
4259 	int nentries, i, class_flip = 0;
4260 	enum kcgi_err kerr = KCGI_OK;
4261 
4262 	if (gw_trans->repo_folder != NULL) {
4263 		path = strdup(gw_trans->repo_folder);
4264 		if (path == NULL) {
4265 			error = got_error_from_errno("strdup");
4266 			goto done;
4267 		}
4268 	} else {
4269 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4270 		    gw_trans->repo_path);
4271 		if (error)
4272 			goto done;
4273 		free(path);
4274 		path = in_repo_path;
4275 	}
4276 
4277 	if (gw_trans->commit_id == NULL) {
4278 		struct got_reference *head_ref;
4279 		error = got_ref_open(&head_ref, gw_trans->repo,
4280 		    gw_trans->headref, 0);
4281 		if (error)
4282 			goto done;
4283 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4284 		if (error)
4285 			goto done;
4286 		got_ref_close(head_ref);
4287 		/*
4288 		 * gw_trans->commit_id was not parsed from the querystring
4289 		 * we hit this code path from gw_index, where we don't know the
4290 		 * commit values for the tree link yet, so set
4291 		 * gw_trans->commit_id here to continue further into the tree
4292 		 */
4293 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4294 		if (error)
4295 			goto done;
4296 
4297 	} else {
4298 		error = got_repo_match_object_id(&commit_id, NULL,
4299 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4300 		    gw_trans->repo);
4301 		if (error)
4302 			goto done;
4303 	}
4304 
4305 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4306 	    path);
4307 	if (error)
4308 		goto done;
4309 
4310 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4311 	if (error)
4312 		goto done;
4313 
4314 	nentries = got_object_tree_get_nentries(tree);
4315 	for (i = 0; i < nentries; i++) {
4316 		struct got_tree_entry *te;
4317 		const char *modestr = "";
4318 		mode_t mode;
4319 
4320 		te = got_object_tree_get_entry(tree, i);
4321 
4322 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4323 		if (error)
4324 			goto done;
4325 
4326 		mode = got_tree_entry_get_mode(te);
4327 		if (got_object_tree_entry_is_submodule(te))
4328 			modestr = "$";
4329 		else if (S_ISLNK(mode))
4330 			modestr = "@";
4331 		else if (S_ISDIR(mode))
4332 			modestr = "/";
4333 		else if (mode & S_IXUSR)
4334 			modestr = "*";
4335 
4336 		if (class_flip == 0) {
4337 			class = "back_lightgray";
4338 			class_flip = 1;
4339 		} else {
4340 			class = "back_white";
4341 			class_flip = 0;
4342 		}
4343 
4344 		if (S_ISDIR(mode)) {
4345 			if (asprintf(&build_folder, "%s/%s",
4346 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4347 			    got_tree_entry_get_name(te)) == -1) {
4348 				error = got_error_from_errno("asprintf");
4349 				goto done;
4350 			}
4351 
4352 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4353 			    gw_trans->repo_name, "action",
4354 			    gw_get_action_name(gw_trans), "commit",
4355 			    gw_trans->commit_id, "folder", build_folder, NULL);
4356 			if (href_blob == NULL) {
4357 				error = got_error_from_errno("khttp_urlpart");
4358 				goto done;
4359 			}
4360 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4361 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4362 			if (kerr != KCGI_OK)
4363 				goto done;
4364 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4365 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4366 			    KATTR__MAX);
4367 			if (kerr != KCGI_OK)
4368 				goto done;
4369 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4370 			    KATTR_HREF, href_blob, KATTR_CLASS,
4371 			    "diff_directory", KATTR__MAX);
4372 			if (kerr != KCGI_OK)
4373 				goto done;
4374 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4375 			    got_tree_entry_get_name(te), modestr);
4376 			if (kerr != KCGI_OK)
4377 				goto done;
4378 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4379 			if (kerr != KCGI_OK)
4380 				goto done;
4381 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4382 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4383 			    KATTR__MAX);
4384 			if (kerr != KCGI_OK)
4385 				goto done;
4386 			kerr = khtml_entity(gw_trans->gw_html_req,
4387 			    KENTITY_nbsp);
4388 			if (kerr != KCGI_OK)
4389 				goto done;
4390 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4391 			if (kerr != KCGI_OK)
4392 				goto done;
4393 		} else {
4394 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4395 			    gw_trans->repo_name, "action", "blob", "commit",
4396 			    gw_trans->commit_id, "file",
4397 			    got_tree_entry_get_name(te), "folder",
4398 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4399 			    NULL);
4400 			if (href_blob == NULL) {
4401 				error = got_error_from_errno("khttp_urlpart");
4402 				goto done;
4403 			}
4404 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4405 			    gw_trans->repo_name, "action", "blame", "commit",
4406 			    gw_trans->commit_id, "file",
4407 			    got_tree_entry_get_name(te), "folder", 
4408 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4409 			    NULL);
4410 			if (href_blame == NULL) {
4411 				error = got_error_from_errno("khttp_urlpart");
4412 				goto done;
4413 			}
4414 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4415 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4416 			if (kerr != KCGI_OK)
4417 				goto done;
4418 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4419 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4420 			    KATTR__MAX);
4421 			if (kerr != KCGI_OK)
4422 				goto done;
4423 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4424 			    KATTR_HREF, href_blob, KATTR__MAX);
4425 			if (kerr != KCGI_OK)
4426 				goto done;
4427 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4428 			    got_tree_entry_get_name(te), modestr);
4429 			if (kerr != KCGI_OK)
4430 				goto done;
4431 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4432 			if (kerr != KCGI_OK)
4433 				goto done;
4434 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4435 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4436 			    KATTR__MAX);
4437 			if (kerr != KCGI_OK)
4438 				goto done;
4439 
4440 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4441 			    KATTR_HREF, href_blob, KATTR__MAX);
4442 			if (kerr != KCGI_OK)
4443 				goto done;
4444 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4445 			if (kerr != KCGI_OK)
4446 				goto done;
4447 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4448 			if (kerr != KCGI_OK)
4449 				goto done;
4450 
4451 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4452 			if (kerr != KCGI_OK)
4453 				goto done;
4454 
4455 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4456 			    KATTR_HREF, href_blame, KATTR__MAX);
4457 			if (kerr != KCGI_OK)
4458 				goto done;
4459 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4460 			if (kerr != KCGI_OK)
4461 				goto done;
4462 
4463 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4464 			if (kerr != KCGI_OK)
4465 				goto done;
4466 		}
4467 		free(id_str);
4468 		id_str = NULL;
4469 		free(href_blob);
4470 		href_blob = NULL;
4471 		free(build_folder);
4472 		build_folder = NULL;
4473 	}
4474 done:
4475 	if (tree)
4476 		got_object_tree_close(tree);
4477 	free(id_str);
4478 	free(href_blob);
4479 	free(href_blame);
4480 	free(in_repo_path);
4481 	free(tree_id);
4482 	free(build_folder);
4483 	if (error == NULL && kerr != KCGI_OK)
4484 		error = gw_kcgi_error(kerr);
4485 	return error;
4486 }
4487 
4488 static const struct got_error *
4489 gw_output_repo_heads(struct gw_trans *gw_trans)
4490 {
4491 	const struct got_error *error = NULL;
4492 	struct got_reflist_head refs;
4493 	struct got_reflist_entry *re;
4494 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4495 	char *href_commits = NULL;
4496 	enum kcgi_err kerr = KCGI_OK;
4497 
4498 	TAILQ_INIT(&refs);
4499 
4500 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4501 	    got_ref_cmp_by_name, NULL);
4502 	if (error)
4503 		goto done;
4504 
4505 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4506 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4507 	if (kerr != KCGI_OK)
4508 		goto done;
4509 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4510 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4511 	if (kerr != KCGI_OK)
4512 		goto done;
4513 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4514 	if (kerr != KCGI_OK)
4515 		goto done;
4516 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4517 	if (kerr != KCGI_OK)
4518 		goto done;
4519 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4520 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4521 	if (kerr != KCGI_OK)
4522 		goto done;
4523 
4524 	TAILQ_FOREACH(re, &refs, entry) {
4525 		const char *refname;
4526 
4527 		if (got_ref_is_symbolic(re->ref))
4528 			continue;
4529 
4530 		refname = got_ref_get_name(re->ref);
4531 		if (strncmp(refname, "refs/heads/", 11) != 0)
4532 			continue;
4533 
4534 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4535 		    refname, TM_DIFF);
4536 		if (error)
4537 			goto done;
4538 
4539 		if (strncmp(refname, "refs/heads/", 11) == 0)
4540 			refname += 11;
4541 
4542 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4543 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4544 		if (kerr != KCGI_OK)
4545 			goto done;
4546 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4547 		    KATTR_ID, "heads_age", KATTR__MAX);
4548 		if (kerr != KCGI_OK)
4549 			goto done;
4550 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4551 		if (kerr != KCGI_OK)
4552 			goto done;
4553 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4554 		if (kerr != KCGI_OK)
4555 			goto done;
4556 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4557 		    KATTR_ID, "heads_space", KATTR__MAX);
4558 		if (kerr != KCGI_OK)
4559 			goto done;
4560 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4561 		if (kerr != KCGI_OK)
4562 			goto done;
4563 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4564 		if (kerr != KCGI_OK)
4565 			goto done;
4566 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4567 		    KATTR_ID, "head", KATTR__MAX);
4568 		if (kerr != KCGI_OK)
4569 			goto done;
4570 
4571 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4572 		    gw_trans->repo_name, "action", "summary", "headref",
4573 		    refname, NULL);
4574 		if (href_summary == NULL) {
4575 			error = got_error_from_errno("khttp_urlpart");
4576 			goto done;
4577 		}
4578 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4579 		    href_summary, KATTR__MAX);
4580 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4581 		if (kerr != KCGI_OK)
4582 			goto done;
4583 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4584 		if (kerr != KCGI_OK)
4585 			goto done;
4586 
4587 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4588 		    "navs_wrapper", KATTR__MAX);
4589 		if (kerr != KCGI_OK)
4590 			goto done;
4591 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4592 		    "navs", KATTR__MAX);
4593 		if (kerr != KCGI_OK)
4594 			goto done;
4595 
4596 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4597 		    href_summary, KATTR__MAX);
4598 		if (kerr != KCGI_OK)
4599 			goto done;
4600 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4601 		if (kerr != KCGI_OK)
4602 			goto done;
4603 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4604 		if (kerr != KCGI_OK)
4605 			goto done;
4606 
4607 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4608 		if (kerr != KCGI_OK)
4609 			goto done;
4610 
4611 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4612 		    gw_trans->repo_name, "action", "briefs", "headref",
4613 		    refname, NULL);
4614 		if (href_briefs == NULL) {
4615 			error = got_error_from_errno("khttp_urlpart");
4616 			goto done;
4617 		}
4618 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4619 		    href_briefs, KATTR__MAX);
4620 		if (kerr != KCGI_OK)
4621 			goto done;
4622 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4623 		if (kerr != KCGI_OK)
4624 			goto done;
4625 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4626 		if (kerr != KCGI_OK)
4627 			goto done;
4628 
4629 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4630 		if (kerr != KCGI_OK)
4631 			goto done;
4632 
4633 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4634 		    gw_trans->repo_name, "action", "commits", "headref",
4635 		    refname, NULL);
4636 		if (href_commits == NULL) {
4637 			error = got_error_from_errno("khttp_urlpart");
4638 			goto done;
4639 		}
4640 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4641 		    href_commits, KATTR__MAX);
4642 		if (kerr != KCGI_OK)
4643 			goto done;
4644 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4645 		if (kerr != KCGI_OK)
4646 			goto done;
4647 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4648 		if (kerr != KCGI_OK)
4649 			goto done;
4650 
4651 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4652 		    "dotted_line", KATTR__MAX);
4653 		if (kerr != KCGI_OK)
4654 			goto done;
4655 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4656 		if (kerr != KCGI_OK)
4657 			goto done;
4658 		free(href_summary);
4659 		href_summary = NULL;
4660 		free(href_briefs);
4661 		href_briefs = NULL;
4662 		free(href_commits);
4663 		href_commits = NULL;
4664 	}
4665 done:
4666 	got_ref_list_free(&refs);
4667 	free(href_summary);
4668 	free(href_briefs);
4669 	free(href_commits);
4670 	return error;
4671 }
4672 
4673 static const struct got_error *
4674 gw_output_site_link(struct gw_trans *gw_trans)
4675 {
4676 	const struct got_error *error = NULL;
4677 	char *href_summary = NULL;
4678 	enum kcgi_err kerr = KCGI_OK;
4679 
4680 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4681 	    "site_link", KATTR__MAX);
4682 	if (kerr != KCGI_OK)
4683 		goto done;
4684 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4685 	    KATTR__MAX);
4686 	if (kerr != KCGI_OK)
4687 		goto done;
4688 	kerr = khtml_puts(gw_trans->gw_html_req,
4689 	    gw_trans->gw_conf->got_site_link);
4690 	if (kerr != KCGI_OK)
4691 		goto done;
4692 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4693 	if (kerr != KCGI_OK)
4694 		goto done;
4695 
4696 	if (gw_trans->repo_name != NULL) {
4697 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4698 		if (kerr != KCGI_OK)
4699 			goto done;
4700 
4701 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4702 		    gw_trans->repo_name, "action", "summary", NULL);
4703 		if (href_summary == NULL) {
4704 			error = got_error_from_errno("khttp_urlpart");
4705 			goto done;
4706 		}
4707 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4708 		    href_summary, KATTR__MAX);
4709 		if (kerr != KCGI_OK)
4710 			goto done;
4711 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4712 		if (kerr != KCGI_OK)
4713 			goto done;
4714 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4715 		if (kerr != KCGI_OK)
4716 			goto done;
4717 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4718 		    gw_get_action_name(gw_trans));
4719 		if (kerr != KCGI_OK)
4720 			goto done;
4721 	}
4722 
4723 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4724 	if (kerr != KCGI_OK)
4725 		goto done;
4726 done:
4727 	free(href_summary);
4728 	if (error == NULL && kerr != KCGI_OK)
4729 		error = gw_kcgi_error(kerr);
4730 	return error;
4731 }
4732 
4733 static const struct got_error *
4734 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4735 {
4736 	const struct got_error *error = NULL;
4737 	char *color = NULL;
4738 	enum kcgi_err kerr = KCGI_OK;
4739 
4740 	if (strncmp(buf, "-", 1) == 0)
4741 		color = "diff_minus";
4742 	else if (strncmp(buf, "+", 1) == 0)
4743 		color = "diff_plus";
4744 	else if (strncmp(buf, "@@", 2) == 0)
4745 		color = "diff_chunk_header";
4746 	else if (strncmp(buf, "@@", 2) == 0)
4747 		color = "diff_chunk_header";
4748 	else if (strncmp(buf, "commit +", 8) == 0)
4749 		color = "diff_meta";
4750 	else if (strncmp(buf, "commit -", 8) == 0)
4751 		color = "diff_meta";
4752 	else if (strncmp(buf, "blob +", 6) == 0)
4753 		color = "diff_meta";
4754 	else if (strncmp(buf, "blob -", 6) == 0)
4755 		color = "diff_meta";
4756 	else if (strncmp(buf, "file +", 6) == 0)
4757 		color = "diff_meta";
4758 	else if (strncmp(buf, "file -", 6) == 0)
4759 		color = "diff_meta";
4760 	else if (strncmp(buf, "from:", 5) == 0)
4761 		color = "diff_author";
4762 	else if (strncmp(buf, "via:", 4) == 0)
4763 		color = "diff_author";
4764 	else if (strncmp(buf, "date:", 5) == 0)
4765 		color = "diff_date";
4766 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4767 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4768 	if (error == NULL && kerr != KCGI_OK)
4769 		error = gw_kcgi_error(kerr);
4770 	return error;
4771 }
4772 
4773 int
4774 main(int argc, char *argv[])
4775 {
4776 	const struct got_error *error = NULL, *error2 = NULL;
4777 	struct gw_trans *gw_trans;
4778 	struct gw_dir *dir = NULL, *tdir;
4779 	const char *page = "index";
4780 	enum kcgi_err kerr = KCGI_OK;
4781 
4782 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4783 		errx(1, "malloc");
4784 
4785 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4786 		errx(1, "malloc");
4787 
4788 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4789 		errx(1, "malloc");
4790 
4791 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4792 		errx(1, "malloc");
4793 
4794 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4795 	if (kerr != KCGI_OK) {
4796 		error = gw_kcgi_error(kerr);
4797 		goto done;
4798 	}
4799 
4800 	TAILQ_INIT(&gw_trans->gw_dirs);
4801 	TAILQ_INIT(&gw_trans->gw_headers);
4802 
4803 	gw_trans->action = -1;
4804 	gw_trans->page = 0;
4805 	gw_trans->repos_total = 0;
4806 	gw_trans->repo_path = NULL;
4807 	gw_trans->commit_id = NULL;
4808 	gw_trans->next_id = NULL;
4809 	gw_trans->prev_id = NULL;
4810 	gw_trans->headref = GOT_REF_HEAD;
4811 	gw_trans->mime = KMIME_TEXT_HTML;
4812 	gw_trans->gw_tmpl->key = gw_templs;
4813 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4814 	gw_trans->gw_tmpl->arg = gw_trans;
4815 	gw_trans->gw_tmpl->cb = gw_template;
4816 
4817 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4818 	if (error)
4819 		goto done;
4820 
4821 	error = gw_parse_querystring(gw_trans);
4822 	if (error)
4823 		goto done;
4824 
4825 	if (gw_trans->action == GW_BLOB)
4826 		error = gw_blob(gw_trans);
4827 	else
4828 		error = gw_display_index(gw_trans);
4829 done:
4830 	if (gw_trans->repo) {
4831 		const struct got_error *close_err;
4832 		close_err = got_repo_close(gw_trans->repo);
4833 		if (error == NULL)
4834 			error = close_err;
4835 	}
4836 	if (error) {
4837 		gw_trans->error = error;
4838 		gw_trans->action = GW_ERR;
4839 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4840 		if (error2)
4841 			goto cleanup; /* we can't display an error page */
4842 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4843 		if (kerr != KCGI_OK)
4844 			goto cleanup; /* we can't display an error page */
4845 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4846 			gw_query_funcs[gw_trans->action].template);
4847 		if (kerr != KCGI_OK) {
4848 			khtml_close(gw_trans->gw_html_req);
4849 			goto cleanup; /* we can't display an error page */
4850 		}
4851 	}
4852 
4853 cleanup:
4854 	free(gw_trans->gw_conf->got_repos_path);
4855 	free(gw_trans->gw_conf->got_www_path);
4856 	free(gw_trans->gw_conf->got_site_name);
4857 	free(gw_trans->gw_conf->got_site_owner);
4858 	free(gw_trans->gw_conf->got_site_link);
4859 	free(gw_trans->gw_conf->got_logo);
4860 	free(gw_trans->gw_conf->got_logo_url);
4861 	free(gw_trans->gw_conf);
4862 	free(gw_trans->commit_id);
4863 	free(gw_trans->next_id);
4864 	free(gw_trans->prev_id);
4865 	free(gw_trans->repo_path);
4866 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4867 		free(dir->name);
4868 		free(dir->description);
4869 		free(dir->age);
4870 		free(dir->url);
4871 		free(dir->path);
4872 		free(dir);
4873 	}
4874 
4875 	khttp_free(gw_trans->gw_req);
4876 	return 0;
4877 }