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/stat.h>
19 #include <sys/types.h>
20 
21 #include <ctype.h>
22 #include <dirent.h>
23 #include <err.h>
24 #include <errno.h>
25 #include <regex.h>
26 #include <stdarg.h>
27 #include <stdint.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <unistd.h>
32 
33 #include <got_error.h>
34 #include <got_object.h>
35 #include <got_reference.h>
36 #include <got_repository.h>
37 #include <got_path.h>
38 #include <got_cancel.h>
39 #include <got_worktree.h>
40 #include <got_diff.h>
41 #include <got_commit_graph.h>
42 #include <got_blame.h>
43 #include <got_privsep.h>
44 #include <got_opentemp.h>
45 
46 #include <kcgi.h>
47 #include <kcgihtml.h>
48 
49 #include "gotweb.h"
50 
51 #ifndef nitems
52 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
53 #endif
54 
55 struct gw_trans {
56 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
57 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
58 	struct got_repository	*repo;
59 	struct gw_dir		*gw_dir;
60 	struct gotweb_config	*gw_conf;
61 	struct ktemplate	*gw_tmpl;
62 	struct khtmlreq		*gw_html_req;
63 	struct kreq		*gw_req;
64 	const struct got_error	*error;
65 	const char		*repo_name;
66 	char			*repo_path;
67 	char			*commit_id;
68 	char			*next_id;
69 	char			*prev_id;
70 	const char		*repo_file;
71 	char			*repo_folder;
72 	const char		*headref;
73 	unsigned int		 action;
74 	unsigned int		 page;
75 	unsigned int		 repos_total;
76 	enum kmime		 mime;
77 };
78 
79 struct gw_header {
80 	TAILQ_ENTRY(gw_header)		 entry;
81 	struct got_reflist_head		 refs;
82 	char				*path;
83 
84 	char			*refs_str;
85 	char			*commit_id; /* id_str1 */
86 	char			*parent_id; /* id_str2 */
87 	char			*tree_id;
88 	char			*author;
89 	char			*committer;
90 	char			*commit_msg;
91 	time_t			 committer_time;
92 };
93 
94 struct gw_dir {
95 	TAILQ_ENTRY(gw_dir)	 entry;
96 	char			*name;
97 	char			*owner;
98 	char			*description;
99 	char			*url;
100 	char			*age;
101 	char			*path;
102 };
103 
104 enum gw_key {
105 	KEY_ACTION,
106 	KEY_COMMIT_ID,
107 	KEY_FILE,
108 	KEY_FOLDER,
109 	KEY_HEADREF,
110 	KEY_PAGE,
111 	KEY_PATH,
112 	KEY_PREV_ID,
113 	KEY__ZMAX
114 };
115 
116 enum gw_tmpl {
117 	TEMPL_CONTENT,
118 	TEMPL_HEAD,
119 	TEMPL_HEADER,
120 	TEMPL_SEARCH,
121 	TEMPL_SITEPATH,
122 	TEMPL_SITEOWNER,
123 	TEMPL_TITLE,
124 	TEMPL__MAX
125 };
126 
127 enum gw_ref_tm {
128 	TM_DIFF,
129 	TM_LONG,
130 };
131 
132 enum gw_tags_type {
133 	TAGBRIEF,
134 	TAGFULL,
135 };
136 
137 static const char *const gw_templs[TEMPL__MAX] = {
138 	"content",
139 	"head",
140 	"header",
141 	"search",
142 	"sitepath",
143 	"siteowner",
144 	"title",
145 };
146 
147 static const struct kvalid gw_keys[KEY__ZMAX] = {
148 	{ kvalid_stringne,	"action" },
149 	{ kvalid_stringne,	"commit" },
150 	{ kvalid_stringne,	"file" },
151 	{ kvalid_stringne,	"folder" },
152 	{ kvalid_stringne,	"headref" },
153 	{ kvalid_int,		"page" },
154 	{ kvalid_stringne,	"path" },
155 	{ kvalid_stringne,	"prev" },
156 };
157 
158 static struct gw_header		*gw_init_header(void);
159 
160 static void			 gw_free_header(struct gw_header *);
161 
162 static int			 gw_template(size_t, void *);
163 
164 static const struct got_error	*gw_error(struct gw_trans *);
165 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
166 static const struct got_error	*gw_get_repo_description(char **,
167 				    struct gw_trans *, char *);
168 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
169 				    char *);
170 static const struct got_error	*gw_get_time_str(char **, time_t, int);
171 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
172 				    char *, const char *, int);
173 static const struct got_error	*gw_output_file_blame(struct gw_trans *,
174 				    struct gw_header *);
175 static const struct got_error	*gw_output_blob_buf(struct gw_trans *,
176 				    struct gw_header *);
177 static const struct got_error	*gw_output_repo_tree(struct gw_trans *,
178 				    struct gw_header *);
179 static const struct got_error	*gw_output_diff(struct gw_trans *,
180 				    struct gw_header *);
181 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
182 				    struct gw_header *, int, int);
183 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
184 static const struct got_error	*gw_output_site_link(struct gw_trans *);
185 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
186 				    char *);
187 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
188 
189 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
190 				    char*);
191 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
192 				    char*);
193 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
194 				    const char *);
195 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
196 				    const char *);
197 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
198 				    const char *);
199 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
200 				    char *);
201 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
202 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
203 				    enum kmime);
204 static const struct got_error	*gw_display_index(struct gw_trans *);
205 static const struct got_error	*gw_get_header(struct gw_trans *,
206 				    struct gw_header *, int);
207 static const struct got_error	*gw_get_commits(struct gw_trans *,
208 				    struct gw_header *, int,
209 				    struct got_object_id *);
210 static const struct got_error	*gw_get_commit(struct gw_trans *,
211 				    struct gw_header *,
212 				    struct got_commit_object *,
213 				    struct got_object_id *);
214 static const struct got_error	*gw_apply_unveil(const char *);
215 static const struct got_error	*gw_blame_cb(void *, int, int,
216 				    struct got_object_id *);
217 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
218 static const struct got_error	*gw_load_got_path(struct gw_trans *,
219 				    struct gw_dir *);
220 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
221 static const struct got_error	*gw_blame(struct gw_trans *);
222 static const struct got_error	*gw_blob(struct gw_trans *);
223 static const struct got_error	*gw_diff(struct gw_trans *);
224 static const struct got_error	*gw_index(struct gw_trans *);
225 static const struct got_error	*gw_commits(struct gw_trans *);
226 static const struct got_error	*gw_briefs(struct gw_trans *);
227 static const struct got_error	*gw_summary(struct gw_trans *);
228 static const struct got_error	*gw_tree(struct gw_trans *);
229 static const struct got_error	*gw_tag(struct gw_trans *);
230 static const struct got_error	*gw_tags(struct gw_trans *);
231 
232 struct gw_query_action {
233 	unsigned int		 func_id;
234 	const char		*func_name;
235 	const struct got_error	*(*func_main)(struct gw_trans *);
236 	char			*template;
237 };
238 
239 enum gw_query_actions {
240 	GW_BLAME,
241 	GW_BLOB,
242 	GW_BRIEFS,
243 	GW_COMMITS,
244 	GW_DIFF,
245 	GW_ERR,
246 	GW_INDEX,
247 	GW_SUMMARY,
248 	GW_TAG,
249 	GW_TAGS,
250 	GW_TREE,
251 };
252 
253 static const struct gw_query_action gw_query_funcs[] = {
254 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
255 	{ GW_BLOB,	"blob",		NULL,		NULL },
256 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
257 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
258 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
259 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
260 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
261 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
262 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
263 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
264 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
265 };
266 
267 static const char * 
268 gw_get_action_name(struct gw_trans *gw_trans)
269 {
270 	return gw_query_funcs[gw_trans->action].func_name;
271 }
272 
273 static const struct got_error *
274 gw_kcgi_error(enum kcgi_err kerr)
275 {
276 	if (kerr == KCGI_OK)
277 		return NULL;
278 
279 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
280 		return got_error(GOT_ERR_CANCELLED);
281 
282 	if (kerr == KCGI_ENOMEM)
283 		return got_error_set_errno(ENOMEM,
284 		    kcgi_strerror(kerr));
285 
286 	if (kerr == KCGI_ENFILE)
287 		return got_error_set_errno(ENFILE,
288 		    kcgi_strerror(kerr));
289 
290 	if (kerr == KCGI_EAGAIN)
291 		return got_error_set_errno(EAGAIN,
292 		    kcgi_strerror(kerr));
293 
294 	if (kerr == KCGI_FORM)
295 		return got_error_msg(GOT_ERR_IO,
296 		    kcgi_strerror(kerr));
297 
298 	return got_error_from_errno(kcgi_strerror(kerr));
299 }
300 
301 static const struct got_error *
302 gw_apply_unveil(const char *repo_path)
303 {
304 	const struct got_error *err;
305 
306 #ifdef PROFILE
307 	if (unveil("gmon.out", "rwc") != 0)
308 		return got_error_from_errno2("unveil", "gmon.out");
309 #endif
310 	if (repo_path && unveil(repo_path, "r") != 0)
311 		return got_error_from_errno2("unveil", repo_path);
312 
313 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
314 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
315 
316 	err = got_privsep_unveil_exec_helpers();
317 	if (err != NULL)
318 		return err;
319 
320 	if (unveil(NULL, NULL) != 0)
321 		return got_error_from_errno("unveil");
322 
323 	return NULL;
324 }
325 
326 static int
327 isbinary(const uint8_t *buf, size_t n)
328 {
329 	size_t i;
330 
331 	for (i = 0; i < n; i++)
332 		if (buf[i] == 0)
333 			return 1;
334 	return 0;
335 }
336 
337 static const struct got_error *
338 gw_blame(struct gw_trans *gw_trans)
339 {
340 	const struct got_error *error = NULL;
341 	struct gw_header *header = NULL;
342 	char *age = NULL;
343 	enum kcgi_err kerr = KCGI_OK;
344 
345 #ifndef PROFILE
346 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
347 	    NULL) == -1)
348 		return got_error_from_errno("pledge");
349 #endif
350 	if ((header = gw_init_header()) == NULL)
351 		return got_error_from_errno("malloc");
352 
353 	error = gw_apply_unveil(gw_trans->gw_dir->path);
354 	if (error)
355 		goto done;
356 
357 	/* check querystring */
358 	if (gw_trans->repo_file == NULL) {
359 		error = got_error_msg(GOT_ERR_QUERYSTRING,
360 		    "file required in querystring");
361 		goto done;
362 	}
363 	if (gw_trans->commit_id == NULL) {
364 		error = got_error_msg(GOT_ERR_QUERYSTRING,
365 		    "commit required in querystring");
366 		goto done;
367 	}
368 
369 	error = gw_get_header(gw_trans, header, 1);
370 	if (error)
371 		goto done;
372 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
373 	    "blame_header_wrapper", KATTR__MAX);
374 	if (kerr != KCGI_OK)
375 		goto done;
376 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
377 	    "blame_header", KATTR__MAX);
378 	if (kerr != KCGI_OK)
379 		goto done;
380 	error = gw_get_time_str(&age, header->committer_time,
381 	    TM_LONG);
382 	if (error)
383 		goto done;
384 	error = gw_gen_age_header(gw_trans, age ?age : "");
385 	if (error)
386 		goto done;
387 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
388 	if (error)
389 		goto done;
390 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
391 	if (kerr != KCGI_OK)
392 		goto done;
393 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
394 	    "dotted_line", KATTR__MAX);
395 	if (kerr != KCGI_OK)
396 		goto done;
397 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
398 	if (kerr != KCGI_OK)
399 		goto done;
400 
401 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
402 	    "blame", KATTR__MAX);
403 	if (kerr != KCGI_OK)
404 		goto done;
405 	error = gw_output_file_blame(gw_trans, header);
406 	if (error)
407 		goto done;
408 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
409 done:
410 	gw_free_header(header);
411 	if (error == NULL && kerr != KCGI_OK)
412 		error = gw_kcgi_error(kerr);
413 	return error;
414 }
415 
416 static const struct got_error *
417 gw_blob(struct gw_trans *gw_trans)
418 {
419 	const struct got_error *error = NULL, *err = NULL;
420 	struct gw_header *header = NULL;
421 	enum kcgi_err kerr = KCGI_OK;
422 
423 #ifndef PROFILE
424 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
425 	    NULL) == -1)
426 		return got_error_from_errno("pledge");
427 #endif
428 	if ((header = gw_init_header()) == NULL)
429 		return got_error_from_errno("malloc");
430 
431 	error = gw_apply_unveil(gw_trans->gw_dir->path);
432 	if (error)
433 		goto done;
434 
435 	/* check querystring */
436 	if (gw_trans->repo_file == NULL) {
437 		error = got_error_msg(GOT_ERR_QUERYSTRING,
438 		    "file required in querystring");
439 		goto done;
440 	}
441 	if (gw_trans->commit_id == NULL) {
442 		error = got_error_msg(GOT_ERR_QUERYSTRING,
443 		    "commit required in querystring");
444 		goto done;
445 	}
446 	error = gw_get_header(gw_trans, header, 1);
447 	if (error)
448 		goto done;
449 
450 	error = gw_output_blob_buf(gw_trans, header);
451 done:
452 
453 	if (error) {
454 		gw_trans->mime = KMIME_TEXT_PLAIN;
455 		err = gw_display_index(gw_trans);
456 		if (err) {
457 			error = err;
458 			goto errored;
459 		}
460 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
461 	}
462 errored:
463 	gw_free_header(header);
464 	if (error == NULL && kerr != KCGI_OK)
465 		error = gw_kcgi_error(kerr);
466 	return error;
467 }
468 
469 static const struct got_error *
470 gw_diff(struct gw_trans *gw_trans)
471 {
472 	const struct got_error *error = NULL;
473 	struct gw_header *header = NULL;
474 	char *age = NULL;
475 	enum kcgi_err kerr = KCGI_OK;
476 
477 #ifndef PROFILE
478 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
479 	    NULL) == -1)
480 		return got_error_from_errno("pledge");
481 #endif
482 	if ((header = gw_init_header()) == NULL)
483 		return got_error_from_errno("malloc");
484 
485 	error = gw_apply_unveil(gw_trans->gw_dir->path);
486 	if (error)
487 		goto done;
488 
489 	error = gw_get_header(gw_trans, header, 1);
490 	if (error)
491 		goto done;
492 
493 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
494 	    "diff_header_wrapper", KATTR__MAX);
495 	if (kerr != KCGI_OK)
496 		goto done;
497 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
498 	    "diff_header", KATTR__MAX);
499 	if (kerr != KCGI_OK)
500 		goto done;
501 	error = gw_gen_diff_header(gw_trans, header->parent_id,
502 	    header->commit_id);
503 	if (error)
504 		goto done;
505 	error = gw_gen_commit_header(gw_trans, header->commit_id,
506 	    header->refs_str);
507 	if (error)
508 		goto done;
509 	error = gw_gen_tree_header(gw_trans, header->tree_id);
510 	if (error)
511 		goto done;
512 	error = gw_gen_author_header(gw_trans, header->author);
513 	if (error)
514 		goto done;
515 	error = gw_gen_committer_header(gw_trans, header->author);
516 	if (error)
517 		goto done;
518 	error = gw_get_time_str(&age, header->committer_time,
519 	    TM_LONG);
520 	if (error)
521 		goto done;
522 	error = gw_gen_age_header(gw_trans, age ?age : "");
523 	if (error)
524 		goto done;
525 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
526 	if (error)
527 		goto done;
528 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
529 	if (kerr != KCGI_OK)
530 		goto done;
531 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
532 	    "dotted_line", KATTR__MAX);
533 	if (kerr != KCGI_OK)
534 		goto done;
535 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
536 	if (kerr != KCGI_OK)
537 		goto done;
538 
539 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
540 	    "diff", KATTR__MAX);
541 	if (kerr != KCGI_OK)
542 		goto done;
543 	error = gw_output_diff(gw_trans, header);
544 	if (error)
545 		goto done;
546 
547 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
548 done:
549 	gw_free_header(header);
550 	free(age);
551 	if (error == NULL && kerr != KCGI_OK)
552 		error = gw_kcgi_error(kerr);
553 	return error;
554 }
555 
556 static const struct got_error *
557 gw_index(struct gw_trans *gw_trans)
558 {
559 	const struct got_error *error = NULL;
560 	struct gw_dir *gw_dir = NULL;
561 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
562 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
563 	char *href_tags = NULL;
564 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
565 	enum kcgi_err kerr = KCGI_OK;
566 
567 #ifndef PROFILE
568 	if (pledge("stdio rpath proc exec sendfd unveil",
569 	    NULL) == -1) {
570 		error = got_error_from_errno("pledge");
571 		return error;
572 	}
573 #endif
574 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
575 	if (error)
576 		return error;
577 
578 	error = gw_load_got_paths(gw_trans);
579 	if (error)
580 		return error;
581 
582 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
583 	    "index_header", KATTR__MAX);
584 	if (kerr != KCGI_OK)
585 		return gw_kcgi_error(kerr);
586 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
587 	    "index_header_project", KATTR__MAX);
588 	if (kerr != KCGI_OK)
589 		return gw_kcgi_error(kerr);
590 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
591 	if (kerr != KCGI_OK)
592 		return gw_kcgi_error(kerr);
593 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
594 	if (kerr != KCGI_OK)
595 		return gw_kcgi_error(kerr);
596 
597 	if (gw_trans->gw_conf->got_show_repo_description) {
598 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
599 		    "index_header_description", KATTR__MAX);
600 		if (kerr != KCGI_OK)
601 			return gw_kcgi_error(kerr);
602 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
603 		if (kerr != KCGI_OK)
604 			return gw_kcgi_error(kerr);
605 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
606 		if (kerr != KCGI_OK)
607 			return gw_kcgi_error(kerr);
608 	}
609 
610 	if (gw_trans->gw_conf->got_show_repo_owner) {
611 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
612 		    "index_header_owner", KATTR__MAX);
613 		if (kerr != KCGI_OK)
614 			return gw_kcgi_error(kerr);
615 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
616 		if (kerr != KCGI_OK)
617 			return gw_kcgi_error(kerr);
618 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
619 		if (kerr != KCGI_OK)
620 			return gw_kcgi_error(kerr);
621 	}
622 
623 	if (gw_trans->gw_conf->got_show_repo_age) {
624 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
625 		    "index_header_age", KATTR__MAX);
626 		if (kerr != KCGI_OK)
627 			return gw_kcgi_error(kerr);
628 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
629 		if (kerr != KCGI_OK)
630 			return gw_kcgi_error(kerr);
631 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
632 		if (kerr != KCGI_OK)
633 			return gw_kcgi_error(kerr);
634 	}
635 
636 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
637 	if (kerr != KCGI_OK)
638 		return gw_kcgi_error(kerr);
639 
640 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
641 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
642 		    "index_wrapper", KATTR__MAX);
643 		if (kerr != KCGI_OK)
644 			return gw_kcgi_error(kerr);
645 		kerr = khtml_printf(gw_trans->gw_html_req,
646 		    "No repositories found in %s",
647 		    gw_trans->gw_conf->got_repos_path);
648 		if (kerr != KCGI_OK)
649 			return gw_kcgi_error(kerr);
650 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
651 		if (kerr != KCGI_OK)
652 			return gw_kcgi_error(kerr);
653 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
654 		    "dotted_line", KATTR__MAX);
655 		if (kerr != KCGI_OK)
656 			return gw_kcgi_error(kerr);
657 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
658 		if (kerr != KCGI_OK)
659 			return gw_kcgi_error(kerr);
660 		return error;
661 	}
662 
663 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
664 		dir_c++;
665 
666 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
667 		if (gw_trans->page > 0 && (gw_trans->page *
668 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
669 			prev_disp++;
670 			continue;
671 		}
672 
673 		prev_disp++;
674 
675 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
676 		    "index_wrapper", KATTR__MAX);
677 		if (kerr != KCGI_OK)
678 			goto done;
679 
680 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
681 		    gw_dir->name, "action", "summary", NULL);
682 		if (href_summary == NULL) {
683 			error = got_error_from_errno("khttp_urlpart");
684 			goto done;
685 		}
686 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
687 		    "index_project", KATTR__MAX);
688 		if (kerr != KCGI_OK)
689 			goto done;
690 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
691 		    href_summary, KATTR__MAX);
692 		if (kerr != KCGI_OK)
693 			goto done;
694 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
695 		if (kerr != KCGI_OK)
696 			goto done;
697 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
698 		if (kerr != KCGI_OK)
699 			goto done;
700 		if (gw_trans->gw_conf->got_show_repo_description) {
701 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
702 			    KATTR_ID, "index_project_description", KATTR__MAX);
703 			if (kerr != KCGI_OK)
704 				goto done;
705 			kerr = khtml_puts(gw_trans->gw_html_req,
706 			    gw_dir->description ? gw_dir->description : "");
707 			if (kerr != KCGI_OK)
708 				goto done;
709 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
710 			if (kerr != KCGI_OK)
711 				goto done;
712 		}
713 		if (gw_trans->gw_conf->got_show_repo_owner) {
714 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
715 			    KATTR_ID, "index_project_owner", KATTR__MAX);
716 			if (kerr != KCGI_OK)
717 				goto done;
718 			kerr = khtml_puts(gw_trans->gw_html_req,
719 			    gw_dir->owner ? gw_dir->owner : "");
720 			if (kerr != KCGI_OK)
721 				goto done;
722 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
723 			if (kerr != KCGI_OK)
724 				goto done;
725 		}
726 		if (gw_trans->gw_conf->got_show_repo_age) {
727 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
728 			    KATTR_ID, "index_project_age", KATTR__MAX);
729 			if (kerr != KCGI_OK)
730 				goto done;
731 			kerr = khtml_puts(gw_trans->gw_html_req,
732 			    gw_dir->age ? gw_dir->age : "");
733 			if (kerr != KCGI_OK)
734 				goto done;
735 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
736 			if (kerr != KCGI_OK)
737 				goto done;
738 		}
739 
740 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
741 		    "navs_wrapper", KATTR__MAX);
742 		if (kerr != KCGI_OK)
743 			goto done;
744 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
745 		    "navs", KATTR__MAX);
746 		if (kerr != KCGI_OK)
747 			goto done;
748 
749 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
750 		    href_summary, KATTR__MAX);
751 		if (kerr != KCGI_OK)
752 			goto done;
753 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
754 		if (kerr != KCGI_OK)
755 			goto done;
756 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
757 		if (kerr != KCGI_OK)
758 			goto done;
759 
760 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
761 		if (kerr != KCGI_OK)
762 			goto done;
763 
764 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
765 		    gw_dir->name, "action", "briefs", NULL);
766 		if (href_briefs == NULL) {
767 			error = got_error_from_errno("khttp_urlpart");
768 			goto done;
769 		}
770 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
771 		    href_briefs, KATTR__MAX);
772 		if (kerr != KCGI_OK)
773 			goto done;
774 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
775 		if (kerr != KCGI_OK)
776 			goto done;
777 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
778 		if (kerr != KCGI_OK)
779 			error = gw_kcgi_error(kerr);
780 
781 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
782 		if (kerr != KCGI_OK)
783 			goto done;
784 
785 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
786 		    gw_dir->name, "action", "commits", NULL);
787 		if (href_commits == NULL) {
788 			error = got_error_from_errno("khttp_urlpart");
789 			goto done;
790 		}
791 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
792 		    href_commits, KATTR__MAX);
793 		if (kerr != KCGI_OK)
794 			goto done;
795 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
796 		if (kerr != KCGI_OK)
797 			goto done;
798 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
799 		if (kerr != KCGI_OK)
800 			goto done;
801 
802 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
803 		if (kerr != KCGI_OK)
804 			goto done;
805 
806 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
807 		    gw_dir->name, "action", "tags", NULL);
808 		if (href_tags == NULL) {
809 			error = got_error_from_errno("khttp_urlpart");
810 			goto done;
811 		}
812 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
813 		    href_tags, KATTR__MAX);
814 		if (kerr != KCGI_OK)
815 			goto done;
816 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
817 		if (kerr != KCGI_OK)
818 			goto done;
819 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
820 		if (kerr != KCGI_OK)
821 			goto done;
822 
823 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
824 		if (kerr != KCGI_OK)
825 			goto done;
826 
827 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
828 		    gw_dir->name, "action", "tree", NULL);
829 		if (href_tree == NULL) {
830 			error = got_error_from_errno("khttp_urlpart");
831 			goto done;
832 		}
833 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
834 		    href_tree, KATTR__MAX);
835 		if (kerr != KCGI_OK)
836 			goto done;
837 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
838 		if (kerr != KCGI_OK)
839 			goto done;
840 
841 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
842 		if (kerr != KCGI_OK)
843 			goto done;
844 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
845 		    "dotted_line", KATTR__MAX);
846 		if (kerr != KCGI_OK)
847 			goto done;
848 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
849 		if (kerr != KCGI_OK)
850 			goto done;
851 
852 		free(href_summary);
853 		href_summary = NULL;
854 		free(href_briefs);
855 		href_briefs = NULL;
856 		free(href_commits);
857 		href_commits = NULL;
858 		free(href_tags);
859 		href_tags = NULL;
860 		free(href_tree);
861 		href_tree = NULL;
862 
863 		if (gw_trans->gw_conf->got_max_repos_display == 0)
864 			continue;
865 
866 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
867 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
868 		    (gw_trans->page > 0) &&
869 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
870 		    prev_disp == gw_trans->repos_total))) {
871 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
872 			    KATTR_ID, "np_wrapper", KATTR__MAX);
873 			if (kerr != KCGI_OK)
874 				goto done;
875 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
876 			    KATTR_ID, "nav_prev", KATTR__MAX);
877 			if (kerr != KCGI_OK)
878 				goto done;
879 		}
880 
881 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
882 		    (gw_trans->page > 0) &&
883 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
884 		    prev_disp == gw_trans->repos_total)) {
885 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
886 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
887 			if (href_prev == NULL) {
888 				error = got_error_from_errno("khttp_urlpartx");
889 				goto done;
890 			}
891 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
892 			    KATTR_HREF, href_prev, KATTR__MAX);
893 			if (kerr != KCGI_OK)
894 				goto done;
895 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
896 			if (kerr != KCGI_OK)
897 				goto done;
898 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
899 			if (kerr != KCGI_OK)
900 				goto done;
901 		}
902 
903 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
904 		if (kerr != KCGI_OK)
905 			return gw_kcgi_error(kerr);
906 
907 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
908 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
909 		    dir_c != (gw_trans->page + 1) *
910 		    gw_trans->gw_conf->got_max_repos_display) {
911 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
912 			    KATTR_ID, "nav_next", KATTR__MAX);
913 			if (kerr != KCGI_OK)
914 				goto done;
915 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
916 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
917 			if (href_next == NULL) {
918 				error = got_error_from_errno("khttp_urlpartx");
919 				goto done;
920 			}
921 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
922 			    KATTR_HREF, href_next, KATTR__MAX);
923 			if (kerr != KCGI_OK)
924 				goto done;
925 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
926 			if (kerr != KCGI_OK)
927 				goto done;
928 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
929 			if (kerr != KCGI_OK)
930 				goto done;
931 			next_disp = 0;
932 			break;
933 		}
934 
935 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
936 		    (gw_trans->page > 0) &&
937 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
938 		    prev_disp == gw_trans->repos_total)) {
939 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
940 			if (kerr != KCGI_OK)
941 				goto done;
942 		}
943 		next_disp++;
944 	}
945 done:
946 	free(href_prev);
947 	free(href_next);
948 	free(href_summary);
949 	free(href_briefs);
950 	free(href_commits);
951 	free(href_tags);
952 	free(href_tree);
953 	if (error == NULL && kerr != KCGI_OK)
954 		error = gw_kcgi_error(kerr);
955 	return error;
956 }
957 
958 static const struct got_error *
959 gw_commits(struct gw_trans *gw_trans)
960 {
961 	const struct got_error *error = NULL;
962 	struct gw_header *header = NULL, *n_header = NULL;
963 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
964 	char *href_prev = NULL, *href_next = NULL;
965 	enum kcgi_err kerr = KCGI_OK;
966 	int commit_found = 0;
967 
968 	if ((header = gw_init_header()) == NULL)
969 		return got_error_from_errno("malloc");
970 
971 #ifndef PROFILE
972 	if (pledge("stdio rpath proc exec sendfd unveil",
973 	    NULL) == -1) {
974 		error = got_error_from_errno("pledge");
975 		goto done;
976 	}
977 #endif
978 	error = gw_apply_unveil(gw_trans->gw_dir->path);
979 	if (error)
980 		goto done;
981 
982 	error = gw_get_header(gw_trans, header,
983 	    gw_trans->gw_conf->got_max_commits_display);
984 	if (error)
985 		goto done;
986 
987 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
988 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
989 			if (strcmp(gw_trans->commit_id,
990 			    n_header->commit_id) != 0)
991 				continue;
992 			else
993 				commit_found = 1;
994 		}
995 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
996 		    "commits_line_wrapper", KATTR__MAX);
997 		if (kerr != KCGI_OK)
998 			goto done;
999 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
1000 		    n_header->refs_str);
1001 		if (error)
1002 			goto done;
1003 		error = gw_gen_author_header(gw_trans, n_header->author);
1004 		if (error)
1005 			goto done;
1006 		error = gw_gen_committer_header(gw_trans, n_header->author);
1007 		if (error)
1008 			goto done;
1009 		error = gw_get_time_str(&age, n_header->committer_time,
1010 		    TM_LONG);
1011 		if (error)
1012 			goto done;
1013 		error = gw_gen_age_header(gw_trans, age ?age : "");
1014 		if (error)
1015 			goto done;
1016 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1017 		if (kerr != KCGI_OK)
1018 			goto done;
1019 
1020 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1021 		    "dotted_line", KATTR__MAX);
1022 		if (kerr != KCGI_OK)
1023 			goto done;
1024 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1025 		if (kerr != KCGI_OK)
1026 			goto done;
1027 
1028 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1029 		    "commit", KATTR__MAX);
1030 		if (kerr != KCGI_OK)
1031 			goto done;
1032 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1033 		if (kerr != KCGI_OK)
1034 			goto done;
1035 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1036 		if (kerr != KCGI_OK)
1037 			goto done;
1038 
1039 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1040 		    gw_trans->repo_name, "action", "diff", "commit",
1041 		    n_header->commit_id, NULL);
1042 		if (href_diff == NULL) {
1043 			error = got_error_from_errno("khttp_urlpart");
1044 			goto done;
1045 		}
1046 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1047 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1048 		if (kerr != KCGI_OK)
1049 			goto done;
1050 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1051 		    KATTR_ID, "navs", KATTR__MAX);
1052 		if (kerr != KCGI_OK)
1053 			goto done;
1054 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1055 		    KATTR_HREF, href_diff, KATTR__MAX);
1056 		if (kerr != KCGI_OK)
1057 			goto done;
1058 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1059 		if (kerr != KCGI_OK)
1060 			goto done;
1061 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1062 		if (kerr != KCGI_OK)
1063 			goto done;
1064 
1065 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1066 		if (kerr != KCGI_OK)
1067 			goto done;
1068 
1069 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1070 		    gw_trans->repo_name, "action", "tree", "commit",
1071 		    n_header->commit_id, NULL);
1072 		if (href_tree == NULL) {
1073 			error = got_error_from_errno("khttp_urlpart");
1074 			goto done;
1075 		}
1076 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1077 		    KATTR_HREF, href_tree, KATTR__MAX);
1078 		if (kerr != KCGI_OK)
1079 			goto done;
1080 		khtml_puts(gw_trans->gw_html_req, "tree");
1081 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1082 		if (kerr != KCGI_OK)
1083 			goto done;
1084 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1085 		if (kerr != KCGI_OK)
1086 			goto done;
1087 
1088 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1089 		    "solid_line", KATTR__MAX);
1090 		if (kerr != KCGI_OK)
1091 			goto done;
1092 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1093 		if (kerr != KCGI_OK)
1094 			goto done;
1095 
1096 		free(age);
1097 		age = NULL;
1098 	}
1099 
1100 	if (gw_trans->next_id || gw_trans->prev_id) {
1101 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1102 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1103 		if (kerr != KCGI_OK)
1104 			goto done;
1105 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1106 		    KATTR_ID, "nav_prev", KATTR__MAX);
1107 		if (kerr != KCGI_OK)
1108 			goto done;
1109 	}
1110 
1111 	if (gw_trans->prev_id) {
1112 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1113 		    KATTRX_STRING, gw_trans->repo_name, "page",
1114 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1115 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1116 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1117 		if (href_prev == NULL) {
1118 			error = got_error_from_errno("khttp_urlpartx");
1119 			goto done;
1120 		}
1121 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1122 		    KATTR_HREF, href_prev, KATTR__MAX);
1123 		if (kerr != KCGI_OK)
1124 			goto done;
1125 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1126 		if (kerr != KCGI_OK)
1127 			goto done;
1128 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1129 		if (kerr != KCGI_OK)
1130 			goto done;
1131 	}
1132 
1133 	if (gw_trans->next_id || gw_trans->page > 0) {
1134 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1135 		if (kerr != KCGI_OK)
1136 			return gw_kcgi_error(kerr);
1137 	}
1138 
1139 	if (gw_trans->next_id) {
1140 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1141 		    KATTR_ID, "nav_next", KATTR__MAX);
1142 		if (kerr != KCGI_OK)
1143 			goto done;
1144 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1145 		    KATTRX_STRING, gw_trans->repo_name, "page",
1146 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1147 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1148 		    gw_trans->next_id, NULL);
1149 		if (href_next == NULL) {
1150 			error = got_error_from_errno("khttp_urlpartx");
1151 			goto done;
1152 		}
1153 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1154 		    KATTR_HREF, href_next, KATTR__MAX);
1155 		if (kerr != KCGI_OK)
1156 			goto done;
1157 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1158 		if (kerr != KCGI_OK)
1159 			goto done;
1160 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1161 		if (kerr != KCGI_OK)
1162 			goto done;
1163 	}
1164 
1165 	if (gw_trans->next_id || gw_trans->page > 0) {
1166 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1167 		if (kerr != KCGI_OK)
1168 			goto done;
1169 	}
1170 done:
1171 	gw_free_header(header);
1172 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1173 		gw_free_header(n_header);
1174 	free(age);
1175 	free(href_next);
1176 	free(href_prev);
1177 	free(href_diff);
1178 	free(href_tree);
1179 	if (error == NULL && kerr != KCGI_OK)
1180 		error = gw_kcgi_error(kerr);
1181 	return error;
1182 }
1183 
1184 static const struct got_error *
1185 gw_briefs(struct gw_trans *gw_trans)
1186 {
1187 	const struct got_error *error = NULL;
1188 	struct gw_header *header = NULL, *n_header = NULL;
1189 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1190 	char *href_prev = NULL, *href_next = NULL;
1191 	char *newline, *smallerthan;
1192 	enum kcgi_err kerr = KCGI_OK;
1193 	int commit_found = 0;
1194 
1195 	if ((header = gw_init_header()) == NULL)
1196 		return got_error_from_errno("malloc");
1197 
1198 #ifndef PROFILE
1199 	if (pledge("stdio rpath proc exec sendfd unveil",
1200 	    NULL) == -1) {
1201 		error = got_error_from_errno("pledge");
1202 		goto done;
1203 	}
1204 #endif
1205 	if (gw_trans->action != GW_SUMMARY) {
1206 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1207 		if (error)
1208 			goto done;
1209 	}
1210 
1211 	if (gw_trans->action == GW_SUMMARY)
1212 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1213 	else
1214 		error = gw_get_header(gw_trans, header,
1215 		    gw_trans->gw_conf->got_max_commits_display);
1216 	if (error)
1217 		goto done;
1218 
1219 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1220 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
1221 			if (strcmp(gw_trans->commit_id,
1222 			    n_header->commit_id) != 0)
1223 				continue;
1224 			else
1225 				commit_found = 1;
1226 		}
1227 		error = gw_get_time_str(&age, n_header->committer_time,
1228 		    TM_DIFF);
1229 		if (error)
1230 			goto done;
1231 
1232 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1233 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1234 		if (kerr != KCGI_OK)
1235 			goto done;
1236 
1237 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1238 		    KATTR_ID, "briefs_age", KATTR__MAX);
1239 		if (kerr != KCGI_OK)
1240 			goto done;
1241 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1242 		if (kerr != KCGI_OK)
1243 			goto done;
1244 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1245 		if (kerr != KCGI_OK)
1246 			goto done;
1247 
1248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1249 		    KATTR_ID, "briefs_author", KATTR__MAX);
1250 		if (kerr != KCGI_OK)
1251 			goto done;
1252 		smallerthan = strchr(n_header->author, '<');
1253 		if (smallerthan)
1254 			*smallerthan = '\0';
1255 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1256 		if (kerr != KCGI_OK)
1257 			goto done;
1258 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1259 		if (kerr != KCGI_OK)
1260 			goto done;
1261 
1262 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1263 		    gw_trans->repo_name, "action", "diff", "commit",
1264 		    n_header->commit_id, NULL);
1265 		if (href_diff == NULL) {
1266 			error = got_error_from_errno("khttp_urlpart");
1267 			goto done;
1268 		}
1269 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1270 		    KATTR_ID, "briefs_log", KATTR__MAX);
1271 		if (kerr != KCGI_OK)
1272 			goto done;
1273 		newline = strchr(n_header->commit_msg, '\n');
1274 		if (newline)
1275 			*newline = '\0';
1276 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1277 		    KATTR_HREF, href_diff, KATTR__MAX);
1278 		if (kerr != KCGI_OK)
1279 			goto done;
1280 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1281 		if (kerr != KCGI_OK)
1282 			goto done;
1283 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1284 		if (kerr != KCGI_OK)
1285 			goto done;
1286 
1287 		if (n_header->refs_str) {
1288 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1289 			if (kerr != KCGI_OK)
1290 				goto done;
1291 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1292 			    KATTR_ID, "refs_str", KATTR__MAX);
1293 			if (kerr != KCGI_OK)
1294 			goto done;
1295 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1296 			    n_header->refs_str);
1297 			if (kerr != KCGI_OK)
1298 				goto done;
1299 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1300 			if (kerr != KCGI_OK)
1301 				goto done;
1302 		}
1303 
1304 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1305 		if (kerr != KCGI_OK)
1306 			goto done;
1307 
1308 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1309 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1310 		if (kerr != KCGI_OK)
1311 			goto done;
1312 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1313 		    KATTR_ID, "navs", KATTR__MAX);
1314 		if (kerr != KCGI_OK)
1315 			goto done;
1316 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1317 		    KATTR_HREF, href_diff, KATTR__MAX);
1318 		if (kerr != KCGI_OK)
1319 			goto done;
1320 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1321 		if (kerr != KCGI_OK)
1322 			goto done;
1323 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1324 		if (kerr != KCGI_OK)
1325 			goto done;
1326 
1327 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1328 		if (kerr != KCGI_OK)
1329 			goto done;
1330 
1331 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1332 		    gw_trans->repo_name, "action", "tree", "commit",
1333 		    n_header->commit_id, NULL);
1334 		if (href_tree == NULL) {
1335 			error = got_error_from_errno("khttp_urlpart");
1336 			goto done;
1337 		}
1338 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1339 		    KATTR_HREF, href_tree, KATTR__MAX);
1340 		if (kerr != KCGI_OK)
1341 			goto done;
1342 		khtml_puts(gw_trans->gw_html_req, "tree");
1343 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1344 		if (kerr != KCGI_OK)
1345 			goto done;
1346 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1347 		if (kerr != KCGI_OK)
1348 			goto done;
1349 
1350 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1351 		    KATTR_ID, "dotted_line", KATTR__MAX);
1352 		if (kerr != KCGI_OK)
1353 			goto done;
1354 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1355 		if (kerr != KCGI_OK)
1356 			goto done;
1357 
1358 		free(age);
1359 		age = NULL;
1360 		free(href_diff);
1361 		href_diff = NULL;
1362 		free(href_tree);
1363 		href_tree = NULL;
1364 	}
1365 
1366 	if (gw_trans->next_id || gw_trans->prev_id) {
1367 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1368 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1369 		if (kerr != KCGI_OK)
1370 			goto done;
1371 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1372 		    KATTR_ID, "nav_prev", KATTR__MAX);
1373 		if (kerr != KCGI_OK)
1374 			goto done;
1375 	}
1376 
1377 	if (gw_trans->prev_id) {
1378 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1379 		    KATTRX_STRING, gw_trans->repo_name, "page",
1380 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1381 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1382 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1383 		if (href_prev == NULL) {
1384 			error = got_error_from_errno("khttp_urlpartx");
1385 			goto done;
1386 		}
1387 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1388 		    KATTR_HREF, href_prev, KATTR__MAX);
1389 		if (kerr != KCGI_OK)
1390 			goto done;
1391 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1392 		if (kerr != KCGI_OK)
1393 			goto done;
1394 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1395 		if (kerr != KCGI_OK)
1396 			goto done;
1397 	}
1398 
1399 	if (gw_trans->next_id || gw_trans->page > 0) {
1400 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1401 		if (kerr != KCGI_OK)
1402 			return gw_kcgi_error(kerr);
1403 	}
1404 
1405 	if (gw_trans->next_id) {
1406 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1407 		    KATTR_ID, "nav_next", KATTR__MAX);
1408 		if (kerr != KCGI_OK)
1409 			goto done;
1410 
1411 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1412 		    KATTRX_STRING, gw_trans->repo_name, "page",
1413 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1414 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1415 		    gw_trans->next_id, NULL);
1416 		if (href_next == NULL) {
1417 			error = got_error_from_errno("khttp_urlpartx");
1418 			goto done;
1419 		}
1420 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1421 		    KATTR_HREF, href_next, KATTR__MAX);
1422 		if (kerr != KCGI_OK)
1423 			goto done;
1424 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1425 		if (kerr != KCGI_OK)
1426 			goto done;
1427 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1428 		if (kerr != KCGI_OK)
1429 			goto done;
1430 	}
1431 
1432 	if (gw_trans->next_id || gw_trans->page > 0) {
1433 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1434 		if (kerr != KCGI_OK)
1435 			goto done;
1436 	}
1437 done:
1438 	gw_free_header(header);
1439 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1440 		gw_free_header(n_header);
1441 	free(age);
1442 	free(href_next);
1443 	free(href_prev);
1444 	free(href_diff);
1445 	free(href_tree);
1446 	if (error == NULL && kerr != KCGI_OK)
1447 		error = gw_kcgi_error(kerr);
1448 	return error;
1449 }
1450 
1451 static const struct got_error *
1452 gw_summary(struct gw_trans *gw_trans)
1453 {
1454 	const struct got_error *error = NULL;
1455 	char *age = NULL;
1456 	enum kcgi_err kerr = KCGI_OK;
1457 
1458 #ifndef PROFILE
1459 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1460 		return got_error_from_errno("pledge");
1461 #endif
1462 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1463 	if (error)
1464 		goto done;
1465 
1466 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1467 	    "summary_wrapper", KATTR__MAX);
1468 	if (kerr != KCGI_OK)
1469 		return gw_kcgi_error(kerr);
1470 
1471 	if (gw_trans->gw_conf->got_show_repo_description &&
1472 	    gw_trans->gw_dir->description != NULL &&
1473 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1474 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1475 		    KATTR_ID, "description_title", KATTR__MAX);
1476 		if (kerr != KCGI_OK)
1477 			goto done;
1478 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1479 		if (kerr != KCGI_OK)
1480 			goto done;
1481 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1482 		if (kerr != KCGI_OK)
1483 			goto done;
1484 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1485 		    KATTR_ID, "description", KATTR__MAX);
1486 		if (kerr != KCGI_OK)
1487 			goto done;
1488 		kerr = khtml_puts(gw_trans->gw_html_req,
1489 		    gw_trans->gw_dir->description);
1490 		if (kerr != KCGI_OK)
1491 			goto done;
1492 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1493 		if (kerr != KCGI_OK)
1494 			goto done;
1495 	}
1496 
1497 	if (gw_trans->gw_conf->got_show_repo_owner &&
1498 	    gw_trans->gw_dir->owner != NULL &&
1499 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1500 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1501 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1502 		if (kerr != KCGI_OK)
1503 			goto done;
1504 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1505 		if (kerr != KCGI_OK)
1506 			goto done;
1507 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1508 		if (kerr != KCGI_OK)
1509 			goto done;
1510 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1511 		    KATTR_ID, "repo_owner", KATTR__MAX);
1512 		if (kerr != KCGI_OK)
1513 			goto done;
1514 		kerr = khtml_puts(gw_trans->gw_html_req,
1515 		    gw_trans->gw_dir->owner);
1516 		if (kerr != KCGI_OK)
1517 			goto done;
1518 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1519 		if (kerr != KCGI_OK)
1520 			goto done;
1521 	}
1522 
1523 	if (gw_trans->gw_conf->got_show_repo_age) {
1524 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1525 		    NULL, TM_LONG);
1526 		if (error)
1527 			goto done;
1528 		if (age != NULL) {
1529 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1530 			    KATTR_ID, "last_change_title", KATTR__MAX);
1531 			if (kerr != KCGI_OK)
1532 				goto done;
1533 			kerr = khtml_puts(gw_trans->gw_html_req,
1534 			    "Last Change: ");
1535 			if (kerr != KCGI_OK)
1536 				goto done;
1537 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1538 			if (kerr != KCGI_OK)
1539 				goto done;
1540 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1541 			    KATTR_ID, "last_change", KATTR__MAX);
1542 			if (kerr != KCGI_OK)
1543 				goto done;
1544 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1545 			if (kerr != KCGI_OK)
1546 				goto done;
1547 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1548 			if (kerr != KCGI_OK)
1549 				goto done;
1550 		}
1551 	}
1552 
1553 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1554 	    gw_trans->gw_dir->url != NULL &&
1555 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1556 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1557 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1558 		if (kerr != KCGI_OK)
1559 			goto done;
1560 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1561 		if (kerr != KCGI_OK)
1562 			goto done;
1563 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1564 		if (kerr != KCGI_OK)
1565 			goto done;
1566 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1567 		    KATTR_ID, "cloneurl", KATTR__MAX);
1568 		if (kerr != KCGI_OK)
1569 			goto done;
1570 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1571 		if (kerr != KCGI_OK)
1572 			goto done;
1573 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1574 		if (kerr != KCGI_OK)
1575 			goto done;
1576 	}
1577 
1578 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1579 	if (kerr != KCGI_OK)
1580 		goto done;
1581 
1582 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1583 	    "briefs_title_wrapper", KATTR__MAX);
1584 	if (kerr != KCGI_OK)
1585 		goto done;
1586 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1587 	    "briefs_title", KATTR__MAX);
1588 	if (kerr != KCGI_OK)
1589 		goto done;
1590 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1591 	if (kerr != KCGI_OK)
1592 		goto done;
1593 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1594 	if (kerr != KCGI_OK)
1595 		goto done;
1596 	error = gw_briefs(gw_trans);
1597 	if (error)
1598 		goto done;
1599 
1600 	error = gw_tags(gw_trans);
1601 	if (error)
1602 		goto done;
1603 
1604 	error = gw_output_repo_heads(gw_trans);
1605 done:
1606 	free(age);
1607 	if (error == NULL && kerr != KCGI_OK)
1608 		error = gw_kcgi_error(kerr);
1609 	return error;
1610 }
1611 
1612 static const struct got_error *
1613 gw_tree(struct gw_trans *gw_trans)
1614 {
1615 	const struct got_error *error = NULL;
1616 	struct gw_header *header = NULL;
1617 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1618 	char *age = NULL;
1619 	enum kcgi_err kerr = KCGI_OK;
1620 
1621 #ifndef PROFILE
1622 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1623 		return got_error_from_errno("pledge");
1624 #endif
1625 	if ((header = gw_init_header()) == NULL)
1626 		return got_error_from_errno("malloc");
1627 
1628 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1629 	if (error)
1630 		goto done;
1631 
1632 	error = gw_get_header(gw_trans, header, 1);
1633 	if (error)
1634 		goto done;
1635 
1636 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1637 	    "tree_header_wrapper", KATTR__MAX);
1638 	if (kerr != KCGI_OK)
1639 		goto done;
1640 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1641 	    "tree_header", KATTR__MAX);
1642 	if (kerr != KCGI_OK)
1643 		goto done;
1644 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1645 	if (error)
1646 		goto done;
1647 	error = gw_get_time_str(&age, header->committer_time,
1648 	    TM_LONG);
1649 	if (error)
1650 		goto done;
1651 	error = gw_gen_age_header(gw_trans, age ?age : "");
1652 	if (error)
1653 		goto done;
1654 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1655 	if (error)
1656 		goto done;
1657 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1658 	if (kerr != KCGI_OK)
1659 		goto done;
1660 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1661 	    "dotted_line", KATTR__MAX);
1662 	if (kerr != KCGI_OK)
1663 		goto done;
1664 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1665 	if (kerr != KCGI_OK)
1666 		goto done;
1667 
1668 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1669 	    "tree", KATTR__MAX);
1670 	if (kerr != KCGI_OK)
1671 		goto done;
1672 	error = gw_output_repo_tree(gw_trans, header);
1673 	if (error)
1674 		goto done;
1675 
1676 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1677 done:
1678 	gw_free_header(header);
1679 	free(tree_html_disp);
1680 	free(tree_html);
1681 	free(tree);
1682 	free(age);
1683 	if (error == NULL && kerr != KCGI_OK)
1684 		error = gw_kcgi_error(kerr);
1685 	return error;
1686 }
1687 
1688 static const struct got_error *
1689 gw_tags(struct gw_trans *gw_trans)
1690 {
1691 	const struct got_error *error = NULL;
1692 	struct gw_header *header = NULL;
1693 	char *href_next = NULL, *href_prev = NULL;
1694 	enum kcgi_err kerr = KCGI_OK;
1695 
1696 #ifndef PROFILE
1697 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1698 		return got_error_from_errno("pledge");
1699 #endif
1700 	if ((header = gw_init_header()) == NULL)
1701 		return got_error_from_errno("malloc");
1702 
1703 	if (gw_trans->action != GW_SUMMARY) {
1704 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1705 		if (error)
1706 			goto done;
1707 	}
1708 
1709 	error = gw_get_header(gw_trans, header, 1);
1710 	if (error)
1711 		goto done;
1712 
1713 	if (gw_trans->action == GW_SUMMARY) {
1714 		gw_trans->next_id = NULL;
1715 		error = gw_output_repo_tags(gw_trans, header,
1716 		    D_MAXSLCOMMDISP, TAGBRIEF);
1717 		if (error)
1718 			goto done;
1719 	} else {
1720 		error = gw_output_repo_tags(gw_trans, header,
1721 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1722 		if (error)
1723 			goto done;
1724 	}
1725 
1726 	if (gw_trans->next_id || gw_trans->page > 0) {
1727 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1728 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1729 		if (kerr != KCGI_OK)
1730 			goto done;
1731 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1732 		    KATTR_ID, "nav_prev", KATTR__MAX);
1733 		if (kerr != KCGI_OK)
1734 			goto done;
1735 	}
1736 
1737 	if (gw_trans->prev_id) {
1738 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1739 		    KATTRX_STRING, gw_trans->repo_name, "page",
1740 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1741 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1742 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1743 		if (href_prev == NULL) {
1744 			error = got_error_from_errno("khttp_urlpartx");
1745 			goto done;
1746 		}
1747 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1748 		    KATTR_HREF, href_prev, KATTR__MAX);
1749 		if (kerr != KCGI_OK)
1750 			goto done;
1751 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1752 		if (kerr != KCGI_OK)
1753 			goto done;
1754 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1755 		if (kerr != KCGI_OK)
1756 			goto done;
1757 	}
1758 
1759 	if (gw_trans->next_id || gw_trans->page > 0) {
1760 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1761 		if (kerr != KCGI_OK)
1762 			return gw_kcgi_error(kerr);
1763 	}
1764 
1765 	if (gw_trans->next_id) {
1766 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1767 		    KATTR_ID, "nav_next", KATTR__MAX);
1768 		if (kerr != KCGI_OK)
1769 			goto done;
1770 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1771 		    KATTRX_STRING, gw_trans->repo_name, "page",
1772 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1773 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1774 		    gw_trans->next_id, NULL);
1775 		if (href_next == NULL) {
1776 			error = got_error_from_errno("khttp_urlpartx");
1777 			goto done;
1778 		}
1779 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1780 		    KATTR_HREF, href_next, KATTR__MAX);
1781 		if (kerr != KCGI_OK)
1782 			goto done;
1783 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1784 		if (kerr != KCGI_OK)
1785 			goto done;
1786 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1787 		if (kerr != KCGI_OK)
1788 			goto done;
1789 	}
1790 
1791 	if (gw_trans->next_id || gw_trans->page > 0) {
1792 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1793 		if (kerr != KCGI_OK)
1794 			goto done;
1795 	}
1796 done:
1797 	gw_free_header(header);
1798 	free(href_next);
1799 	free(href_prev);
1800 	if (error == NULL && kerr != KCGI_OK)
1801 		error = gw_kcgi_error(kerr);
1802 	return error;
1803 }
1804 
1805 static const struct got_error *
1806 gw_tag(struct gw_trans *gw_trans)
1807 {
1808 	const struct got_error *error = NULL;
1809 	struct gw_header *header = NULL;
1810 	enum kcgi_err kerr = KCGI_OK;
1811 
1812 #ifndef PROFILE
1813 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1814 		return got_error_from_errno("pledge");
1815 #endif
1816 	if ((header = gw_init_header()) == NULL)
1817 		return got_error_from_errno("malloc");
1818 
1819 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1820 	if (error)
1821 		goto done;
1822 
1823 	if (gw_trans->commit_id == NULL) {
1824 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1825 		    "commit required in querystring");
1826 		goto done;
1827 	}
1828 
1829 	error = gw_get_header(gw_trans, header, 1);
1830 	if (error)
1831 		goto done;
1832 
1833 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1834 	    "tag_header_wrapper", KATTR__MAX);
1835 	if (kerr != KCGI_OK)
1836 		goto done;
1837 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1838 	    "tag_header", KATTR__MAX);
1839 	if (kerr != KCGI_OK)
1840 		goto done;
1841 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1842 	    header->refs_str);
1843 	if (error)
1844 		goto done;
1845 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1846 	if (error)
1847 		goto done;
1848 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1849 	if (kerr != KCGI_OK)
1850 		goto done;
1851 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1852 	    "dotted_line", KATTR__MAX);
1853 	if (kerr != KCGI_OK)
1854 		goto done;
1855 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1856 	if (kerr != KCGI_OK)
1857 		goto done;
1858 
1859 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1860 	    "tree", KATTR__MAX);
1861 	if (kerr != KCGI_OK)
1862 		goto done;
1863 
1864 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1865 	if (error)
1866 		goto done;
1867 
1868 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1869 done:
1870 	gw_free_header(header);
1871 	if (error == NULL && kerr != KCGI_OK)
1872 		error = gw_kcgi_error(kerr);
1873 	return error;
1874 }
1875 
1876 static const struct got_error *
1877 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1878 {
1879 	const struct got_error *error = NULL;
1880 	DIR *dt;
1881 	char *dir_test;
1882 	int opened = 0;
1883 
1884 	if (asprintf(&dir_test, "%s/%s/%s",
1885 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1886 	    GOTWEB_GIT_DIR) == -1)
1887 		return got_error_from_errno("asprintf");
1888 
1889 	dt = opendir(dir_test);
1890 	if (dt == NULL) {
1891 		free(dir_test);
1892 	} else {
1893 		gw_dir->path = strdup(dir_test);
1894 		if (gw_dir->path == NULL) {
1895 			opened = 1;
1896 			error = got_error_from_errno("strdup");
1897 			goto errored;
1898 		}
1899 		opened = 1;
1900 		goto done;
1901 	}
1902 
1903 	if (asprintf(&dir_test, "%s/%s/%s",
1904 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1905 	    GOTWEB_GOT_DIR) == -1) {
1906 		dir_test = NULL;
1907 		error = got_error_from_errno("asprintf");
1908 		goto errored;
1909 	}
1910 
1911 	dt = opendir(dir_test);
1912 	if (dt == NULL)
1913 		free(dir_test);
1914 	else {
1915 		opened = 1;
1916 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1917 		goto errored;
1918 	}
1919 
1920 	if (asprintf(&dir_test, "%s/%s",
1921 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1922 		error = got_error_from_errno("asprintf");
1923 		dir_test = NULL;
1924 		goto errored;
1925 	}
1926 
1927 	gw_dir->path = strdup(dir_test);
1928 	if (gw_dir->path == NULL) {
1929 		opened = 1;
1930 		error = got_error_from_errno("strdup");
1931 		goto errored;
1932 	}
1933 
1934 	dt = opendir(dir_test);
1935 	if (dt == NULL) {
1936 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1937 		goto errored;
1938 	} else
1939 		opened = 1;
1940 done:
1941 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1942 	    gw_dir->path);
1943 	if (error)
1944 		goto errored;
1945 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1946 	if (error)
1947 		goto errored;
1948 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1949 	    NULL, TM_DIFF);
1950 	if (error)
1951 		goto errored;
1952 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1953 errored:
1954 	free(dir_test);
1955 	if (opened)
1956 		if (dt && closedir(dt) == -1 && error == NULL)
1957 			error = got_error_from_errno("closedir");
1958 	return error;
1959 }
1960 
1961 static const struct got_error *
1962 gw_load_got_paths(struct gw_trans *gw_trans)
1963 {
1964 	const struct got_error *error = NULL;
1965 	DIR *d;
1966 	struct dirent **sd_dent;
1967 	struct gw_dir *gw_dir;
1968 	struct stat st;
1969 	unsigned int d_cnt, d_i;
1970 
1971 	d = opendir(gw_trans->gw_conf->got_repos_path);
1972 	if (d == NULL) {
1973 		error = got_error_from_errno2("opendir",
1974 		    gw_trans->gw_conf->got_repos_path);
1975 		return error;
1976 	}
1977 
1978 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1979 	    alphasort);
1980 	if (d_cnt == -1) {
1981 		error = got_error_from_errno2("scandir",
1982 		    gw_trans->gw_conf->got_repos_path);
1983 		goto done;
1984 	}
1985 
1986 	for (d_i = 0; d_i < d_cnt; d_i++) {
1987 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1988 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1989 			break; /* account for parent and self */
1990 
1991 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1992 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1993 			continue;
1994 
1995 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1996 		if (error)
1997 			goto done;
1998 
1999 		error = gw_load_got_path(gw_trans, gw_dir);
2000 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
2001 			error = NULL;
2002 			continue;
2003 		} else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
2004 			goto done;
2005 
2006 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2007 		    !got_path_dir_is_empty(gw_dir->path)) {
2008 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2009 			    entry);
2010 			gw_trans->repos_total++;
2011 		}
2012 	}
2013 done:
2014 	if (d && closedir(d) == -1 && error == NULL)
2015 		error = got_error_from_errno("closedir");
2016 	return error;
2017 }
2018 
2019 static const struct got_error *
2020 gw_parse_querystring(struct gw_trans *gw_trans)
2021 {
2022 	const struct got_error *error = NULL;
2023 	struct kpair *p;
2024 	const struct gw_query_action *action = NULL;
2025 	unsigned int i;
2026 
2027 	if (gw_trans->gw_req->fieldnmap[0]) {
2028 		return got_error(GOT_ERR_QUERYSTRING);
2029 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2030 		/* define gw_trans->repo_path */
2031 		gw_trans->repo_name = p->parsed.s;
2032 
2033 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2034 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2035 			return got_error_from_errno("asprintf");
2036 
2037 		/* get action and set function */
2038 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2039 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2040 				action = &gw_query_funcs[i];
2041 				if (action->func_name == NULL)
2042 					continue;
2043 				if (strcmp(action->func_name,
2044 				    p->parsed.s) == 0) {
2045 					gw_trans->action = i;
2046 					break;
2047 				}
2048 			}
2049 		}
2050 		if (gw_trans->action == -1) {
2051 			gw_trans->action = GW_ERR;
2052 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2053 			    p != NULL ? "bad action in querystring" :
2054 			    "no action in querystring");
2055 			return error;
2056 		}
2057 
2058 		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2059 			if (asprintf(&gw_trans->commit_id, "%s",
2060 			    p->parsed.s) == -1)
2061 				return got_error_from_errno("asprintf");
2062 		}
2063 
2064 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2065 			gw_trans->repo_file = p->parsed.s;
2066 
2067 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2068 			if (asprintf(&gw_trans->repo_folder, "%s",
2069 			    p->parsed.s) == -1)
2070 				return got_error_from_errno("asprintf");
2071 		}
2072 
2073 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2074 			if (asprintf(&gw_trans->prev_id, "%s",
2075 			    p->parsed.s) == -1)
2076 				return got_error_from_errno("asprintf");
2077 		}
2078 
2079 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2080 			gw_trans->headref = p->parsed.s;
2081 
2082 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2083 		if (error)
2084 			return error;
2085 
2086 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2087 	} else
2088 		gw_trans->action = GW_INDEX;
2089 
2090 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2091 		gw_trans->page = p->parsed.i;
2092 
2093 	return error;
2094 }
2095 
2096 static const struct got_error *
2097 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2098 {
2099 	const struct got_error *error;
2100 
2101 	*gw_dir = malloc(sizeof(**gw_dir));
2102 	if (*gw_dir == NULL)
2103 		return got_error_from_errno("malloc");
2104 
2105 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2106 		error = got_error_from_errno("asprintf");
2107 		free(*gw_dir);
2108 		*gw_dir = NULL;
2109 		return error;
2110 	}
2111 
2112 	return NULL;
2113 }
2114 
2115 static const struct got_error *
2116 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2117 {
2118 	enum kcgi_err kerr = KCGI_OK;
2119 
2120 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2121 	if (kerr != KCGI_OK)
2122 		return gw_kcgi_error(kerr);
2123 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2124 	    khttps[code]);
2125 	if (kerr != KCGI_OK)
2126 		return gw_kcgi_error(kerr);
2127 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2128 	    kmimetypes[mime]);
2129 	if (kerr != KCGI_OK)
2130 		return gw_kcgi_error(kerr);
2131 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2132 	    "nosniff");
2133 	if (kerr != KCGI_OK)
2134 		return gw_kcgi_error(kerr);
2135 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2136 	if (kerr != KCGI_OK)
2137 		return gw_kcgi_error(kerr);
2138 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2139 	    "1; mode=block");
2140 	if (kerr != KCGI_OK)
2141 		return gw_kcgi_error(kerr);
2142 
2143 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2144 		kerr = khttp_head(gw_trans->gw_req,
2145 		    kresps[KRESP_CONTENT_DISPOSITION],
2146 		    "attachment; filename=%s", gw_trans->repo_file);
2147 		if (kerr != KCGI_OK)
2148 			return gw_kcgi_error(kerr);
2149 	}
2150 
2151 	kerr = khttp_body(gw_trans->gw_req);
2152 	return gw_kcgi_error(kerr);
2153 }
2154 
2155 static const struct got_error *
2156 gw_display_index(struct gw_trans *gw_trans)
2157 {
2158 	const struct got_error *error;
2159 	enum kcgi_err kerr = KCGI_OK;
2160 
2161 	/* catch early querystring errors */
2162 	if (gw_trans->error)
2163 		gw_trans->action = GW_ERR;
2164 
2165 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2166 	if (error)
2167 		return error;
2168 
2169 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2170 	if (kerr != KCGI_OK)
2171 		return gw_kcgi_error(kerr);
2172 
2173 	if (gw_trans->action != GW_BLOB) {
2174 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2175 		    gw_query_funcs[gw_trans->action].template);
2176 		if (kerr != KCGI_OK) {
2177 			khtml_close(gw_trans->gw_html_req);
2178 			return gw_kcgi_error(kerr);
2179 		}
2180 	}
2181 
2182 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2183 }
2184 
2185 static const struct got_error *
2186 gw_error(struct gw_trans *gw_trans)
2187 {
2188 	enum kcgi_err kerr = KCGI_OK;
2189 
2190 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2191 
2192 	return gw_kcgi_error(kerr);
2193 }
2194 
2195 static int
2196 gw_template(size_t key, void *arg)
2197 {
2198 	const struct got_error *error = NULL;
2199 	enum kcgi_err kerr = KCGI_OK;
2200 	struct gw_trans *gw_trans = arg;
2201 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2202 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2203 
2204 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2205 	    "/apple-touch-icon.png") == -1)
2206 		goto err;
2207 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2208 	    "/favicon-32x32.png") == -1)
2209 		goto err;
2210 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2211 	    "/favicon-16x16.png") == -1)
2212 		goto err;
2213 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2214 	    "/site.webmanifest") == -1)
2215 		goto err;
2216 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2217 	    "/safari-pinned-tab.svg") == -1)
2218 		goto err;
2219 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2220 	    "/gotweb.css") == -1)
2221 		goto err;
2222 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2223 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2224 	    gw_trans->gw_conf->got_logo) == -1)
2225 		goto err;
2226 
2227 	switch (key) {
2228 	case (TEMPL_HEAD):
2229 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2230 		    KATTR_NAME, "viewport",
2231 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2232 		    KATTR__MAX);
2233 		if (kerr != KCGI_OK)
2234 			return 0;
2235 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2236 		if (kerr != KCGI_OK)
2237 			return 0;
2238 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2239 		    KATTR_CHARSET, "utf-8",
2240 		    KATTR__MAX);
2241 		if (kerr != KCGI_OK)
2242 			return 0;
2243 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2244 		if (kerr != KCGI_OK)
2245 			return 0;
2246 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2247 		    KATTR_NAME, "msapplication-TileColor",
2248 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2249 		if (kerr != KCGI_OK)
2250 			return 0;
2251 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2252 		if (kerr != KCGI_OK)
2253 			return 0;
2254 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2255 		    KATTR_NAME, "theme-color",
2256 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2257 		if (kerr != KCGI_OK)
2258 			return 0;
2259 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2260 		if (kerr != KCGI_OK)
2261 			return 0;
2262 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2263 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2264 		    KATTR_HREF, ati, KATTR__MAX);
2265 		if (kerr != KCGI_OK)
2266 			return 0;
2267 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2268 		if (kerr != KCGI_OK)
2269 			return 0;
2270 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2271 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2272 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2273 		if (kerr != KCGI_OK)
2274 			return 0;
2275 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2276 		if (kerr != KCGI_OK)
2277 			return 0;
2278 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2279 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2280 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2281 		if (kerr != KCGI_OK)
2282 			return 0;
2283 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2284 		if (kerr != KCGI_OK)
2285 			return 0;
2286 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2287 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2288 		    KATTR__MAX);
2289 		if (kerr != KCGI_OK)
2290 			return 0;
2291 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2292 		if (kerr != KCGI_OK)
2293 			return 0;
2294 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2295 		    KATTR_REL, "mask-icon", KATTR_HREF,
2296 		    spt, KATTR__MAX);
2297 		if (kerr != KCGI_OK)
2298 			return 0;
2299 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2300 		if (kerr != KCGI_OK)
2301 			return 0;
2302 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2303 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2304 		    KATTR_HREF, css, KATTR__MAX);
2305 		if (kerr != KCGI_OK)
2306 			return 0;
2307 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2308 		if (kerr != KCGI_OK)
2309 			return 0;
2310 		break;
2311 	case(TEMPL_HEADER):
2312 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2313 		    KATTR_ID, "got_link", KATTR__MAX);
2314 		if (kerr != KCGI_OK)
2315 			return 0;
2316 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2317 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2318 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2319 		if (kerr != KCGI_OK)
2320 			return 0;
2321 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2322 		    KATTR_SRC, logo, KATTR__MAX);
2323 		if (kerr != KCGI_OK)
2324 			return 0;
2325 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2326 		if (kerr != KCGI_OK)
2327 			return 0;
2328 		break;
2329 	case (TEMPL_SITEPATH):
2330 		error = gw_output_site_link(gw_trans);
2331 		if (error)
2332 			return 0;
2333 		break;
2334 	case(TEMPL_TITLE):
2335 		if (gw_trans->gw_conf->got_site_name != NULL) {
2336 			kerr = khtml_puts(gw_trans->gw_html_req,
2337 			    gw_trans->gw_conf->got_site_name);
2338 			if (kerr != KCGI_OK)
2339 				return 0;
2340 		}
2341 		break;
2342 	case (TEMPL_SEARCH):
2343 		break;
2344 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2345 		    "search", KATTR__MAX);
2346 		if (kerr != KCGI_OK)
2347 			return 0;
2348 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2349 			    KATTR_METHOD, "POST", KATTR__MAX);
2350 		if (kerr != KCGI_OK)
2351 			return 0;
2352 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2353 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2354 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2355 		if (kerr != KCGI_OK)
2356 			return 0;
2357 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2358 		    KATTR__MAX);
2359 		if (kerr != KCGI_OK)
2360 			return 0;
2361 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2362 		if (kerr != KCGI_OK)
2363 			return 0;
2364 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2365 		if (kerr != KCGI_OK)
2366 			return 0;
2367 		break;
2368 	case(TEMPL_SITEOWNER):
2369 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2370 		    gw_trans->gw_conf->got_show_site_owner) {
2371 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2372 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2373 			if (kerr != KCGI_OK)
2374 				return 0;
2375 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2376 			    KATTR_ID, "site_owner", KATTR__MAX);
2377 			if (kerr != KCGI_OK)
2378 				return 0;
2379 			kerr = khtml_puts(gw_trans->gw_html_req,
2380 			    gw_trans->gw_conf->got_site_owner);
2381 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2382 			if (kerr != KCGI_OK)
2383 				return 0;
2384 		}
2385 		break;
2386 	case(TEMPL_CONTENT):
2387 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2388 		if (error) {
2389 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2390 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2391 			if (kerr != KCGI_OK)
2392 				return 0;
2393 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2394 			    error->msg);
2395 			if (kerr != KCGI_OK)
2396 				return 0;
2397 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2398 			if (kerr != KCGI_OK)
2399 				return 0;
2400 		}
2401 		break;
2402 	default:
2403 		return 0;
2404 	}
2405 	free(ati);
2406 	free(fic32);
2407 	free(fic16);
2408 	free(swm);
2409 	free(spt);
2410 	free(css);
2411 	free(logo);
2412 	return 1;
2413 err:
2414 	free(ati);
2415 	free(fic32);
2416 	free(fic16);
2417 	free(swm);
2418 	free(spt);
2419 	free(css);
2420 	free(logo);
2421 	return 0;
2422 }
2423 
2424 static const struct got_error *
2425 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2426 {
2427 	const struct got_error *error = NULL;
2428 	enum kcgi_err kerr = KCGI_OK;
2429 
2430 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2431 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2432 	if (kerr != KCGI_OK)
2433 		goto done;
2434 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2435 	if (kerr != KCGI_OK)
2436 		goto done;
2437 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2438 	if (kerr != KCGI_OK)
2439 		goto done;
2440 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2441 	    KATTR_ID, "header_commit", KATTR__MAX);
2442 	if (kerr != KCGI_OK)
2443 		goto done;
2444 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2445 	if (kerr != KCGI_OK)
2446 		goto done;
2447 	if (str2 != NULL) {
2448 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2449 		    KATTR_ID, "refs_str", KATTR__MAX);
2450 		if (kerr != KCGI_OK)
2451 			goto done;
2452 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2453 		if (kerr != KCGI_OK)
2454 			goto done;
2455 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2456 		if (kerr != KCGI_OK)
2457 			goto done;
2458 	}
2459 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2460 done:
2461 	if (error == NULL && kerr != KCGI_OK)
2462 		error = gw_kcgi_error(kerr);
2463 	return error;
2464 }
2465 
2466 static const struct got_error *
2467 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2468 {
2469 	const struct got_error *error = NULL;
2470 	enum kcgi_err kerr = KCGI_OK;
2471 
2472 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2473 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2474 	if (kerr != KCGI_OK)
2475 		goto done;
2476 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2477 	if (kerr != KCGI_OK)
2478 		goto done;
2479 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2480 	if (kerr != KCGI_OK)
2481 		goto done;
2482 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2483 	    KATTR_ID, "header_diff", KATTR__MAX);
2484 	if (kerr != KCGI_OK)
2485 		goto done;
2486 	if (str1 != NULL) {
2487 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2488 		if (kerr != KCGI_OK)
2489 			goto done;
2490 	}
2491 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2492 	if (kerr != KCGI_OK)
2493 		goto done;
2494 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2495 	if (kerr != KCGI_OK)
2496 		goto done;
2497 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2498 done:
2499 	if (error == NULL && kerr != KCGI_OK)
2500 		error = gw_kcgi_error(kerr);
2501 	return error;
2502 }
2503 
2504 static const struct got_error *
2505 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2506 {
2507 	const struct got_error *error = NULL;
2508 	enum kcgi_err kerr = KCGI_OK;
2509 
2510 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2511 	    KATTR_ID, "header_age_title", KATTR__MAX);
2512 	if (kerr != KCGI_OK)
2513 		goto done;
2514 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2515 	if (kerr != KCGI_OK)
2516 		goto done;
2517 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2518 	if (kerr != KCGI_OK)
2519 		goto done;
2520 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2521 	    KATTR_ID, "header_age", KATTR__MAX);
2522 	if (kerr != KCGI_OK)
2523 		goto done;
2524 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2525 	if (kerr != KCGI_OK)
2526 		goto done;
2527 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2528 done:
2529 	if (error == NULL && kerr != KCGI_OK)
2530 		error = gw_kcgi_error(kerr);
2531 	return error;
2532 }
2533 
2534 static const struct got_error *
2535 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2536 {
2537 	const struct got_error *error = NULL;
2538 	enum kcgi_err kerr = KCGI_OK;
2539 
2540 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2541 	    KATTR_ID, "header_author_title", KATTR__MAX);
2542 	if (kerr != KCGI_OK)
2543 		goto done;
2544 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2545 	if (kerr != KCGI_OK)
2546 		goto done;
2547 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2548 	if (kerr != KCGI_OK)
2549 		goto done;
2550 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2551 	    KATTR_ID, "header_author", KATTR__MAX);
2552 	if (kerr != KCGI_OK)
2553 		goto done;
2554 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2555 	if (kerr != KCGI_OK)
2556 		goto done;
2557 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2558 done:
2559 	if (error == NULL && kerr != KCGI_OK)
2560 		error = gw_kcgi_error(kerr);
2561 	return error;
2562 }
2563 
2564 static const struct got_error *
2565 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2566 {
2567 	const struct got_error *error = NULL;
2568 	enum kcgi_err kerr = KCGI_OK;
2569 
2570 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2571 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2572 	if (kerr != KCGI_OK)
2573 		goto done;
2574 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2575 	if (kerr != KCGI_OK)
2576 		goto done;
2577 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2578 	if (kerr != KCGI_OK)
2579 		goto done;
2580 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2581 	    KATTR_ID, "header_committer", KATTR__MAX);
2582 	if (kerr != KCGI_OK)
2583 		goto done;
2584 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2585 	if (kerr != KCGI_OK)
2586 		goto done;
2587 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2588 done:
2589 	if (error == NULL && kerr != KCGI_OK)
2590 		error = gw_kcgi_error(kerr);
2591 	return error;
2592 }
2593 
2594 static const struct got_error *
2595 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2596 {
2597 	const struct got_error *error = NULL;
2598 	enum kcgi_err kerr = KCGI_OK;
2599 
2600 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2601 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2602 	if (kerr != KCGI_OK)
2603 		goto done;
2604 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2605 	if (kerr != KCGI_OK)
2606 		goto done;
2607 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2608 	if (kerr != KCGI_OK)
2609 		goto done;
2610 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2611 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2612 	if (kerr != KCGI_OK)
2613 		goto done;
2614 	kerr = khttp_puts(gw_trans->gw_req, str);
2615 	if (kerr != KCGI_OK)
2616 		goto done;
2617 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2618 done:
2619 	if (error == NULL && kerr != KCGI_OK)
2620 		error = gw_kcgi_error(kerr);
2621 	return error;
2622 }
2623 
2624 static const struct got_error *
2625 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2626 {
2627 	const struct got_error *error = NULL;
2628 	enum kcgi_err kerr = KCGI_OK;
2629 
2630 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2631 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2632 	if (kerr != KCGI_OK)
2633 		goto done;
2634 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2635 	if (kerr != KCGI_OK)
2636 		goto done;
2637 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2638 	if (kerr != KCGI_OK)
2639 		goto done;
2640 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2641 	    KATTR_ID, "header_tree", KATTR__MAX);
2642 	if (kerr != KCGI_OK)
2643 		goto done;
2644 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2645 	if (kerr != KCGI_OK)
2646 		goto done;
2647 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2648 done:
2649 	if (error == NULL && kerr != KCGI_OK)
2650 		error = gw_kcgi_error(kerr);
2651 	return error;
2652 }
2653 
2654 static const struct got_error *
2655 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2656     char *dir)
2657 {
2658 	const struct got_error *error = NULL;
2659 	FILE *f = NULL;
2660 	char *d_file = NULL;
2661 	unsigned int len;
2662 	size_t n;
2663 
2664 	*description = NULL;
2665 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2666 		return NULL;
2667 
2668 	if (asprintf(&d_file, "%s/description", dir) == -1)
2669 		return got_error_from_errno("asprintf");
2670 
2671 	f = fopen(d_file, "re");
2672 	if (f == NULL) {
2673 		if (errno == ENOENT || errno == EACCES)
2674 			return NULL;
2675 		error = got_error_from_errno2("fopen", d_file);
2676 		goto done;
2677 	}
2678 
2679 	if (fseek(f, 0, SEEK_END) == -1) {
2680 		error = got_ferror(f, GOT_ERR_IO);
2681 		goto done;
2682 	}
2683 	len = ftell(f);
2684 	if (len == -1) {
2685 		error = got_ferror(f, GOT_ERR_IO);
2686 		goto done;
2687 	}
2688 	if (fseek(f, 0, SEEK_SET) == -1) {
2689 		error = got_ferror(f, GOT_ERR_IO);
2690 		goto done;
2691 	}
2692 	*description = calloc(len + 1, sizeof(**description));
2693 	if (*description == NULL) {
2694 		error = got_error_from_errno("calloc");
2695 		goto done;
2696 	}
2697 
2698 	n = fread(*description, 1, len, f);
2699 	if (n == 0 && ferror(f))
2700 		error = got_ferror(f, GOT_ERR_IO);
2701 done:
2702 	if (f != NULL && fclose(f) == EOF && error == NULL)
2703 		error = got_error_from_errno("fclose");
2704 	free(d_file);
2705 	return error;
2706 }
2707 
2708 static const struct got_error *
2709 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2710 {
2711 	struct tm tm;
2712 	time_t diff_time;
2713 	char *years = "years ago", *months = "months ago";
2714 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2715 	char *minutes = "minutes ago", *seconds = "seconds ago";
2716 	char *now = "right now";
2717 	char *s;
2718 	char datebuf[29];
2719 
2720 	*repo_age = NULL;
2721 
2722 	switch (ref_tm) {
2723 	case TM_DIFF:
2724 		diff_time = time(NULL) - committer_time;
2725 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2726 			if (asprintf(repo_age, "%lld %s",
2727 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2728 				return got_error_from_errno("asprintf");
2729 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2730 			if (asprintf(repo_age, "%lld %s",
2731 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2732 			    months) == -1)
2733 				return got_error_from_errno("asprintf");
2734 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2735 			if (asprintf(repo_age, "%lld %s",
2736 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2737 				return got_error_from_errno("asprintf");
2738 		} else if (diff_time > 60 * 60 * 24 * 2) {
2739 			if (asprintf(repo_age, "%lld %s",
2740 			    (diff_time / 60 / 60 / 24), days) == -1)
2741 				return got_error_from_errno("asprintf");
2742 		} else if (diff_time > 60 * 60 * 2) {
2743 			if (asprintf(repo_age, "%lld %s",
2744 			    (diff_time / 60 / 60), hours) == -1)
2745 				return got_error_from_errno("asprintf");
2746 		} else if (diff_time > 60 * 2) {
2747 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2748 			    minutes) == -1)
2749 				return got_error_from_errno("asprintf");
2750 		} else if (diff_time > 2) {
2751 			if (asprintf(repo_age, "%lld %s", diff_time,
2752 			    seconds) == -1)
2753 				return got_error_from_errno("asprintf");
2754 		} else {
2755 			if (asprintf(repo_age, "%s", now) == -1)
2756 				return got_error_from_errno("asprintf");
2757 		}
2758 		break;
2759 	case TM_LONG:
2760 		if (gmtime_r(&committer_time, &tm) == NULL)
2761 			return got_error_from_errno("gmtime_r");
2762 
2763 		s = asctime_r(&tm, datebuf);
2764 		if (s == NULL)
2765 			return got_error_from_errno("asctime_r");
2766 
2767 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2768 			return got_error_from_errno("asprintf");
2769 		break;
2770 	}
2771 	return NULL;
2772 }
2773 
2774 static const struct got_error *
2775 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2776     const char *refname, int ref_tm)
2777 {
2778 	const struct got_error *error = NULL;
2779 	struct got_repository *repo = NULL;
2780 	struct got_commit_object *commit = NULL;
2781 	struct got_reflist_head refs;
2782 	struct got_reflist_entry *re;
2783 	time_t committer_time = 0, cmp_time = 0;
2784 
2785 	*repo_age = NULL;
2786 	TAILQ_INIT(&refs);
2787 
2788 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2789 		return NULL;
2790 
2791 	if (gw_trans->repo)
2792 		repo = gw_trans->repo;
2793 	else {
2794 		error = got_repo_open(&repo, dir, NULL);
2795 		if (error)
2796 			return error;
2797 	}
2798 
2799 	error = got_ref_list(&refs, repo, "refs/heads",
2800 	    got_ref_cmp_by_name, NULL);
2801 	if (error)
2802 		goto done;
2803 
2804 	/*
2805 	 * Find the youngest branch tip in the repository, or the age of
2806 	 * the a specific branch tip if a name was provided by the caller.
2807 	 */
2808 	TAILQ_FOREACH(re, &refs, entry) {
2809 		struct got_object_id *id = NULL;
2810 
2811 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2812 			continue;
2813 
2814 		error = got_ref_resolve(&id, repo, re->ref);
2815 		if (error)
2816 			goto done;
2817 
2818 		error = got_object_open_as_commit(&commit, repo, id);
2819 		free(id);
2820 		if (error)
2821 			goto done;
2822 
2823 		committer_time =
2824 		    got_object_commit_get_committer_time(commit);
2825 		got_object_commit_close(commit);
2826 		if (cmp_time < committer_time)
2827 			cmp_time = committer_time;
2828 
2829 		if (refname)
2830 			break;
2831 	}
2832 
2833 	if (cmp_time != 0) {
2834 		committer_time = cmp_time;
2835 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2836 	}
2837 done:
2838 	got_ref_list_free(&refs);
2839 	if (gw_trans->repo == NULL) {
2840 		const struct got_error *close_err = got_repo_close(repo);
2841 		if (error == NULL)
2842 			error = close_err;
2843 	}
2844 	return error;
2845 }
2846 
2847 static const struct got_error *
2848 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2849 {
2850 	const struct got_error *error;
2851 	FILE *f = NULL;
2852 	struct got_object_id *id1 = NULL, *id2 = NULL;
2853 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2854 	int obj_type;
2855 	size_t linesize = 0;
2856 	ssize_t linelen;
2857 	enum kcgi_err kerr = KCGI_OK;
2858 
2859 	f = got_opentemp();
2860 	if (f == NULL)
2861 		return NULL;
2862 
2863 	if (header->parent_id != NULL &&
2864 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2865 		error = got_repo_match_object_id(&id1, &label1,
2866 			header->parent_id, GOT_OBJ_TYPE_ANY,
2867 			&header->refs, gw_trans->repo);
2868 		if (error)
2869 			goto done;
2870 	}
2871 
2872 	error = got_repo_match_object_id(&id2, &label2,
2873 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2874 	    gw_trans->repo);
2875 	if (error)
2876 		goto done;
2877 
2878 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2879 	if (error)
2880 		goto done;
2881 	switch (obj_type) {
2882 	case GOT_OBJ_TYPE_BLOB:
2883 		error = got_diff_objects_as_blobs(NULL, NULL, id1, id2,
2884 		    NULL, NULL, 3, 0, 0, gw_trans->repo, f);
2885 		break;
2886 	case GOT_OBJ_TYPE_TREE:
2887 		error = got_diff_objects_as_trees(NULL, NULL, id1, id2,
2888 		    NULL, "", "", 3, 0, 0, gw_trans->repo, f);
2889 		break;
2890 	case GOT_OBJ_TYPE_COMMIT:
2891 		error = got_diff_objects_as_commits(NULL, NULL, id1, id2,
2892 		    NULL, 3, 0, 0, gw_trans->repo, f);
2893 		break;
2894 	default:
2895 		error = got_error(GOT_ERR_OBJ_TYPE);
2896 	}
2897 	if (error)
2898 		goto done;
2899 
2900 	if (fseek(f, 0, SEEK_SET) == -1) {
2901 		error = got_ferror(f, GOT_ERR_IO);
2902 		goto done;
2903 	}
2904 
2905 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2906 		error = gw_colordiff_line(gw_trans, line);
2907 		if (error)
2908 			goto done;
2909 		/* XXX: KHTML_PRETTY breaks this */
2910 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2911 		if (kerr != KCGI_OK)
2912 			goto done;
2913 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2914 		if (kerr != KCGI_OK)
2915 			goto done;
2916 	}
2917 	if (linelen == -1 && ferror(f))
2918 		error = got_error_from_errno("getline");
2919 done:
2920 	if (f && fclose(f) == EOF && error == NULL)
2921 		error = got_error_from_errno("fclose");
2922 	free(line);
2923 	free(label1);
2924 	free(label2);
2925 	free(id1);
2926 	free(id2);
2927 
2928 	if (error == NULL && kerr != KCGI_OK)
2929 		error = gw_kcgi_error(kerr);
2930 	return error;
2931 }
2932 
2933 static const struct got_error *
2934 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2935 {
2936 	const struct got_error *error = NULL, *close_err;
2937 	struct got_repository *repo;
2938 	const char *gitconfig_owner;
2939 
2940 	*owner = NULL;
2941 
2942 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2943 		return NULL;
2944 
2945 	error = got_repo_open(&repo, dir, NULL);
2946 	if (error)
2947 		return error;
2948 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2949 	if (gitconfig_owner) {
2950 		*owner = strdup(gitconfig_owner);
2951 		if (*owner == NULL)
2952 			error = got_error_from_errno("strdup");
2953 	}
2954 	close_err = got_repo_close(repo);
2955 	if (error == NULL)
2956 		error = close_err;
2957 	return error;
2958 }
2959 
2960 static const struct got_error *
2961 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2962 {
2963 	const struct got_error *error = NULL;
2964 	FILE *f;
2965 	char *d_file = NULL;
2966 	unsigned int len;
2967 	size_t n;
2968 
2969 	*url = NULL;
2970 
2971 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2972 		return got_error_from_errno("asprintf");
2973 
2974 	f = fopen(d_file, "re");
2975 	if (f == NULL) {
2976 		if (errno != ENOENT && errno != EACCES)
2977 			error = got_error_from_errno2("fopen", d_file);
2978 		goto done;
2979 	}
2980 
2981 	if (fseek(f, 0, SEEK_END) == -1) {
2982 		error = got_ferror(f, GOT_ERR_IO);
2983 		goto done;
2984 	}
2985 	len = ftell(f);
2986 	if (len == -1) {
2987 		error = got_ferror(f, GOT_ERR_IO);
2988 		goto done;
2989 	}
2990 	if (fseek(f, 0, SEEK_SET) == -1) {
2991 		error = got_ferror(f, GOT_ERR_IO);
2992 		goto done;
2993 	}
2994 
2995 	*url = calloc(len + 1, sizeof(**url));
2996 	if (*url == NULL) {
2997 		error = got_error_from_errno("calloc");
2998 		goto done;
2999 	}
3000 
3001 	n = fread(*url, 1, len, f);
3002 	if (n == 0 && ferror(f))
3003 		error = got_ferror(f, GOT_ERR_IO);
3004 done:
3005 	if (f && fclose(f) == EOF && error == NULL)
3006 		error = got_error_from_errno("fclose");
3007 	free(d_file);
3008 	return NULL;
3009 }
3010 
3011 static const struct got_error *
3012 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3013     int limit, int tag_type)
3014 {
3015 	const struct got_error *error = NULL;
3016 	struct got_reflist_head refs;
3017 	struct got_reflist_entry *re;
3018 	char *age = NULL;
3019 	char *id_str = NULL, *newline, *href_commits = NULL;
3020 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3021 	struct got_tag_object *tag = NULL;
3022 	enum kcgi_err kerr = KCGI_OK;
3023 	int summary_header_displayed = 0, chk_next = 0;
3024 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3025 
3026 	TAILQ_INIT(&refs);
3027 
3028 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3029 	    got_ref_cmp_tags, gw_trans->repo);
3030 	if (error)
3031 		goto done;
3032 
3033 	TAILQ_FOREACH(re, &refs, entry) {
3034 		const char *refname;
3035 		const char *tagger;
3036 		const char *tag_commit;
3037 		time_t tagger_time;
3038 		struct got_object_id *id;
3039 		struct got_commit_object *commit = NULL;
3040 
3041 		refname = got_ref_get_name(re->ref);
3042 		if (strncmp(refname, "refs/tags/", 10) != 0)
3043 			continue;
3044 		refname += 10;
3045 
3046 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3047 		if (error)
3048 			goto done;
3049 
3050 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3051 		if (error) {
3052 			if (error->code != GOT_ERR_OBJ_TYPE) {
3053 				free(id);
3054 				goto done;
3055 			}
3056 			/* "lightweight" tag */
3057 			error = got_object_open_as_commit(&commit,
3058 			    gw_trans->repo, id);
3059 			if (error) {
3060 				free(id);
3061 				goto done;
3062 			}
3063 			tagger = got_object_commit_get_committer(commit);
3064 			tagger_time =
3065 			    got_object_commit_get_committer_time(commit);
3066 			error = got_object_id_str(&id_str, id);
3067 			free(id);
3068 		} else {
3069 			free(id);
3070 			tagger = got_object_tag_get_tagger(tag);
3071 			tagger_time = got_object_tag_get_tagger_time(tag);
3072 			error = got_object_id_str(&id_str,
3073 			    got_object_tag_get_object_id(tag));
3074 		}
3075 		if (error)
3076 			goto done;
3077 
3078 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3079 		    strlen(id_str)) != 0)
3080 			continue;
3081 
3082 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3083 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3084 		    strlen(id_str)) != 0)
3085 			continue;
3086 		else
3087 			commit_found = 1;
3088 
3089 		tag_count++;
3090 
3091 		if (chk_next) {
3092 			gw_trans->next_id = strdup(id_str);
3093 			if (gw_trans->next_id == NULL)
3094 				error = got_error_from_errno("strdup");
3095 			goto prev;
3096 		}
3097 
3098 		if (commit) {
3099 			error = got_object_commit_get_logmsg(&tag_commit0,
3100 			    commit);
3101 			if (error)
3102 				goto done;
3103 			got_object_commit_close(commit);
3104 		} else {
3105 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3106 			if (tag_commit0 == NULL) {
3107 				error = got_error_from_errno("strdup");
3108 				goto done;
3109 			}
3110 		}
3111 
3112 		tag_commit = tag_commit0;
3113 		while (*tag_commit == '\n')
3114 			tag_commit++;
3115 
3116 		switch (tag_type) {
3117 		case TAGBRIEF:
3118 			newline = strchr(tag_commit, '\n');
3119 			if (newline)
3120 				*newline = '\0';
3121 
3122 			if (summary_header_displayed == 0) {
3123 				kerr = khtml_attr(gw_trans->gw_html_req,
3124 				    KELEM_DIV, KATTR_ID,
3125 				    "summary_tags_title_wrapper", KATTR__MAX);
3126 				if (kerr != KCGI_OK)
3127 					goto done;
3128 				kerr = khtml_attr(gw_trans->gw_html_req,
3129 				    KELEM_DIV, KATTR_ID,
3130 				    "summary_tags_title", KATTR__MAX);
3131 				if (kerr != KCGI_OK)
3132 					goto done;
3133 				kerr = khtml_puts(gw_trans->gw_html_req,
3134 				    "Tags");
3135 				if (kerr != KCGI_OK)
3136 					goto done;
3137 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3138 				    2);
3139 				if (kerr != KCGI_OK)
3140 					goto done;
3141 				kerr = khtml_attr(gw_trans->gw_html_req,
3142 				    KELEM_DIV, KATTR_ID,
3143 				    "summary_tags_content", KATTR__MAX);
3144 				if (kerr != KCGI_OK)
3145 					goto done;
3146 				summary_header_displayed = 1;
3147 			}
3148 
3149 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3150 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3151 			if (kerr != KCGI_OK)
3152 				goto done;
3153 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3154 			    KATTR_ID, "tag_age", KATTR__MAX);
3155 			if (kerr != KCGI_OK)
3156 				goto done;
3157 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3158 			if (error)
3159 				goto done;
3160 			kerr = khtml_puts(gw_trans->gw_html_req,
3161 			    age ? age : "");
3162 			if (kerr != KCGI_OK)
3163 				goto done;
3164 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3165 			if (kerr != KCGI_OK)
3166 				goto done;
3167 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3168 			    KATTR_ID, "tag", KATTR__MAX);
3169 			if (kerr != KCGI_OK)
3170 				goto done;
3171 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3172 			if (kerr != KCGI_OK)
3173 				goto done;
3174 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3175 			if (kerr != KCGI_OK)
3176 				goto done;
3177 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3178 			    KATTR_ID, "tag_name", KATTR__MAX);
3179 			if (kerr != KCGI_OK)
3180 				goto done;
3181 
3182 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3183 			    gw_trans->repo_name, "action", "tag", "commit",
3184 			    id_str, NULL);
3185 			if (href_tag == NULL) {
3186 				error = got_error_from_errno("khttp_urlpart");
3187 				goto done;
3188 			}
3189 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3190 			    KATTR_HREF, href_tag, KATTR__MAX);
3191 			if (kerr != KCGI_OK)
3192 				goto done;
3193 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3194 			if (kerr != KCGI_OK)
3195 				goto done;
3196 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 
3200 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3201 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3202 			if (kerr != KCGI_OK)
3203 				goto done;
3204 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3205 			    KATTR_ID, "navs", KATTR__MAX);
3206 			if (kerr != KCGI_OK)
3207 				goto done;
3208 
3209 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3210 			    KATTR_HREF, href_tag, KATTR__MAX);
3211 			if (kerr != KCGI_OK)
3212 				goto done;
3213 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3214 			if (kerr != KCGI_OK)
3215 				goto done;
3216 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3217 			if (kerr != KCGI_OK)
3218 				goto done;
3219 
3220 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3221 			if (kerr != KCGI_OK)
3222 				goto done;
3223 
3224 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3225 			    "path", gw_trans->repo_name, "action", "briefs",
3226 			    "commit", id_str, NULL);
3227 			if (href_briefs == NULL) {
3228 				error = got_error_from_errno("khttp_urlpart");
3229 				goto done;
3230 			}
3231 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3232 			    KATTR_HREF, href_briefs, KATTR__MAX);
3233 			if (kerr != KCGI_OK)
3234 				goto done;
3235 			kerr = khtml_puts(gw_trans->gw_html_req,
3236 			    "commit briefs");
3237 			if (kerr != KCGI_OK)
3238 				goto done;
3239 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3240 			if (kerr != KCGI_OK)
3241 				goto done;
3242 
3243 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3244 			if (kerr != KCGI_OK)
3245 				goto done;
3246 
3247 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3248 			    "path", gw_trans->repo_name, "action", "commits",
3249 			    "commit", id_str, NULL);
3250 			if (href_commits == NULL) {
3251 				error = got_error_from_errno("khttp_urlpart");
3252 				goto done;
3253 			}
3254 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3255 			    KATTR_HREF, href_commits, KATTR__MAX);
3256 			if (kerr != KCGI_OK)
3257 				goto done;
3258 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3259 			if (kerr != KCGI_OK)
3260 				goto done;
3261 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3262 			if (kerr != KCGI_OK)
3263 				goto done;
3264 
3265 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3266 			    KATTR_ID, "dotted_line", KATTR__MAX);
3267 			if (kerr != KCGI_OK)
3268 				goto done;
3269 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3270 			if (kerr != KCGI_OK)
3271 				goto done;
3272 			break;
3273 		case TAGFULL:
3274 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3275 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3276 			if (kerr != KCGI_OK)
3277 				goto done;
3278 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3279 			if (kerr != KCGI_OK)
3280 				goto done;
3281 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3282 			if (kerr != KCGI_OK)
3283 				goto done;
3284 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3285 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3286 			if (kerr != KCGI_OK)
3287 				goto done;
3288 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3289 			if (error)
3290 				goto done;
3291 			kerr = khtml_puts(gw_trans->gw_html_req,
3292 			    age ? age : "");
3293 			if (kerr != KCGI_OK)
3294 				goto done;
3295 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3296 			if (kerr != KCGI_OK)
3297 				goto done;
3298 
3299 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3300 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3301 			if (kerr != KCGI_OK)
3302 				goto done;
3303 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3304 			if (kerr != KCGI_OK)
3305 				goto done;
3306 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3307 			if (kerr != KCGI_OK)
3308 				goto done;
3309 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3310 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3311 			if (kerr != KCGI_OK)
3312 				goto done;
3313 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3314 			if (kerr != KCGI_OK)
3315 				goto done;
3316 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3317 			if (kerr != KCGI_OK)
3318 				goto done;
3319 
3320 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3321 			    KATTR_ID, "tag_info", KATTR__MAX);
3322 			if (kerr != KCGI_OK)
3323 				goto done;
3324 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3325 			if (kerr != KCGI_OK)
3326 				goto done;
3327 			break;
3328 		default:
3329 			break;
3330 		}
3331 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3332 		if (kerr != KCGI_OK)
3333 			goto done;
3334 
3335 		if (limit && --limit == 0)
3336 			chk_next = 1;
3337 
3338 		if (tag)
3339 			got_object_tag_close(tag);
3340 		tag = NULL;
3341 		free(id_str);
3342 		id_str = NULL;
3343 		free(age);
3344 		age = NULL;
3345 		free(tag_commit0);
3346 		tag_commit0 = NULL;
3347 		free(href_tag);
3348 		href_tag = NULL;
3349 		free(href_briefs);
3350 		href_briefs = NULL;
3351 		free(href_commits);
3352 		href_commits = NULL;
3353 	}
3354 	if (tag_count == 0) {
3355 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3356 		    "summary_tags_title_wrapper", KATTR__MAX);
3357 		if (kerr != KCGI_OK)
3358 			goto done;
3359 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3360 		    "summary_tags_title", KATTR__MAX);
3361 		if (kerr != KCGI_OK)
3362 			goto done;
3363 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3364 		if (kerr != KCGI_OK)
3365 			goto done;
3366 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3367 		if (kerr != KCGI_OK)
3368 			goto done;
3369 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3370 		    "summary_tags_content", KATTR__MAX);
3371 		if (kerr != KCGI_OK)
3372 			goto done;
3373 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3374 		    "tags_info", KATTR__MAX);
3375 		if (kerr != KCGI_OK)
3376 			goto done;
3377 		kerr = khttp_puts(gw_trans->gw_req,
3378 		    "There are no tags for this repo.");
3379 		if (kerr != KCGI_OK)
3380 			goto done;
3381 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3382 		goto done;
3383 	}
3384 prev:
3385 	commit_found = 0;
3386 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3387 		const char *refname;
3388 		struct got_object_id *id;
3389 		struct got_commit_object *commit = NULL;
3390 
3391 		refname = got_ref_get_name(re->ref);
3392 		if (strncmp(refname, "refs/tags/", 10) != 0)
3393 			continue;
3394 		refname += 10;
3395 
3396 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3397 		if (error)
3398 			goto done;
3399 
3400 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3401 		if (error) {
3402 			if (error->code != GOT_ERR_OBJ_TYPE) {
3403 				free(id);
3404 				goto done;
3405 			}
3406 			/* "lightweight" tag */
3407 			error = got_object_open_as_commit(&commit,
3408 			    gw_trans->repo, id);
3409 			if (error) {
3410 				free(id);
3411 				goto done;
3412 			}
3413 			error = got_object_id_str(&id_str, id);
3414 			free(id);
3415 		} else {
3416 			free(id);
3417 			error = got_object_id_str(&id_str,
3418 			    got_object_tag_get_object_id(tag));
3419 		}
3420 		if (error)
3421 			goto done;
3422 
3423 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3424 		    strlen(id_str)) != 0)
3425 			continue;
3426 
3427 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3428 		    gw_trans->commit_id  != NULL &&
3429 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3430 			continue;
3431 		else
3432 			commit_found = 1;
3433 
3434 		if (gw_trans->commit_id != NULL &&
3435 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3436 		    (re == TAILQ_FIRST(&refs) ||
3437 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3438 			gw_trans->prev_id = strdup(id_str);
3439 			if (gw_trans->prev_id == NULL) {
3440 				error = got_error_from_errno("strdup");
3441 				goto done;
3442 			}
3443 			break;
3444 		}
3445 		c_cnt++;
3446 	}
3447 done:
3448 	if (tag)
3449 		got_object_tag_close(tag);
3450 	free(id_str);
3451 	free(age);
3452 	free(tag_commit0);
3453 	free(href_tag);
3454 	free(href_briefs);
3455 	free(href_commits);
3456 	got_ref_list_free(&refs);
3457 	if (error == NULL && kerr != KCGI_OK)
3458 		error = gw_kcgi_error(kerr);
3459 	return error;
3460 }
3461 
3462 static void
3463 gw_free_header(struct gw_header *header)
3464 {
3465 	free(header->path);
3466 	free(header->author);
3467 	free(header->committer);
3468 	free(header->refs_str);
3469 	free(header->commit_id);
3470 	free(header->parent_id);
3471 	free(header->tree_id);
3472 	free(header->commit_msg);
3473 }
3474 
3475 static struct gw_header *
3476 gw_init_header()
3477 {
3478 	struct gw_header *header;
3479 
3480 	header = malloc(sizeof(*header));
3481 	if (header == NULL)
3482 		return NULL;
3483 
3484 	header->path = NULL;
3485 	TAILQ_INIT(&header->refs);
3486 
3487 	header->refs_str = NULL;
3488 	header->commit_id = NULL;
3489 	header->committer = NULL;
3490 	header->author = NULL;
3491 	header->parent_id = NULL;
3492 	header->tree_id = NULL;
3493 	header->commit_msg = NULL;
3494 
3495 	return header;
3496 }
3497 
3498 static const struct got_error *
3499 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3500     int limit, struct got_object_id *id)
3501 {
3502 	const struct got_error *error = NULL;
3503 	struct got_commit_graph *graph = NULL;
3504 	struct got_commit_object *commit = NULL;
3505 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3506 	struct gw_header *t_header = NULL;
3507 
3508 	error = got_commit_graph_open(&graph, header->path, 0);
3509 	if (error)
3510 		return error;
3511 
3512 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3513 	    NULL);
3514 	if (error)
3515 		goto err;
3516 
3517 	for (;;) {
3518 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3519 		    NULL, NULL);
3520 		if (error) {
3521 			if (error->code == GOT_ERR_ITER_COMPLETED)
3522 				error = NULL;
3523 			goto done;
3524 		}
3525 		if (id == NULL)
3526 			goto err;
3527 
3528 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3529 		if (error)
3530 			goto err;
3531 		if (limit == 1 && chk_multi == 0 &&
3532 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3533 			error = gw_get_commit(gw_trans, header, commit, id);
3534 			if (error)
3535 				goto err;
3536 			commit_found = 1;
3537 		} else {
3538 			chk_multi = 1;
3539 			struct gw_header *n_header = NULL;
3540 			if ((n_header = gw_init_header()) == NULL) {
3541 				error = got_error_from_errno("malloc");
3542 				goto err;
3543 			}
3544 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3545 			    entry);
3546 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3547 			    NULL, got_ref_cmp_by_name, NULL);
3548 			if (error)
3549 				goto err;
3550 
3551 			error = gw_get_commit(gw_trans, n_header, commit, id);
3552 			if (error)
3553 				goto err;
3554 			got_ref_list_free(&n_header->refs);
3555 
3556 			if (gw_trans->commit_id != NULL) {
3557 				if (strcmp(gw_trans->commit_id,
3558 				    n_header->commit_id) == 0)
3559 					commit_found = 1;
3560 			} else
3561 				commit_found = 1;
3562 
3563 			/*
3564 			 * check for one more commit before breaking,
3565 			 * so we know whether to navicate through gw_briefs
3566 			 * gw_commits and gw_summary
3567 			 */
3568 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3569 			    gw_trans->action == GW_COMMITS ||
3570 			    gw_trans->action == GW_SUMMARY)) {
3571 				gw_trans->next_id = strdup(n_header->commit_id);
3572 				if (gw_trans->next_id == NULL)
3573 					error = got_error_from_errno("strdup");
3574 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3575 				    entry);
3576 				goto done;
3577 			}
3578 
3579 		}
3580 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3581 			if (chk_multi == 0)
3582 				break;
3583 			chk_next = 1;
3584 		}
3585 	}
3586 done:
3587 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3588 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS)) {
3589 		commit_found = 0;
3590 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3591 		    headers, entry) {
3592 			if (commit_found == 0 &&
3593 			    strcmp(gw_trans->commit_id,
3594 			    t_header->commit_id) != 0)
3595 				continue;
3596 			else
3597 				commit_found = 1;
3598 			if (gw_trans->commit_id != NULL &&
3599 			    strcmp(gw_trans->commit_id,
3600 			    t_header->commit_id) != 0 &&
3601 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3602 			    || t_header ==
3603 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3604 				gw_trans->prev_id = strdup(t_header->commit_id);
3605 				if (gw_trans->prev_id == NULL)
3606 					error = got_error_from_errno("strdup");
3607 				break;
3608 			}
3609 			c_cnt++;
3610 		}
3611 	}
3612 err:
3613 	if (commit != NULL)
3614 		got_object_commit_close(commit);
3615 	if (graph)
3616 		got_commit_graph_close(graph);
3617 	return error;
3618 }
3619 
3620 static const struct got_error *
3621 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3622     struct got_commit_object *commit, struct got_object_id *id)
3623 {
3624 	const struct got_error *error = NULL;
3625 	struct got_reflist_entry *re;
3626 	struct got_object_id *id2 = NULL;
3627 	struct got_object_qid *parent_id;
3628 	char *commit_msg = NULL, *commit_msg0;
3629 
3630 	/*print commit*/
3631 	TAILQ_FOREACH(re, &header->refs, entry) {
3632 		char *s;
3633 		const char *name;
3634 		struct got_tag_object *tag = NULL;
3635 		struct got_object_id *ref_id;
3636 		int cmp;
3637 
3638 		if (got_ref_is_symbolic(re->ref))
3639 			continue;
3640 
3641 		name = got_ref_get_name(re->ref);
3642 		if (strncmp(name, "refs/", 5) == 0)
3643 			name += 5;
3644 		if (strncmp(name, "got/", 4) == 0)
3645 			continue;
3646 		if (strncmp(name, "heads/", 6) == 0)
3647 			name += 6;
3648 		if (strncmp(name, "remotes/", 8) == 0) {
3649 			name += 8;
3650 			s = strstr(name, "/" GOT_REF_HEAD);
3651 			if (s != NULL && s[strlen(s)] == '\0')
3652 				continue;
3653 		}
3654 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3655 		if (error)
3656 			return error;
3657 		if (strncmp(name, "tags/", 5) == 0) {
3658 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3659 			    ref_id);
3660 			if (error) {
3661 				if (error->code != GOT_ERR_OBJ_TYPE) {
3662 					free(ref_id);
3663 					continue;
3664 				}
3665 				/*
3666 				 * Ref points at something other
3667 				 * than a tag.
3668 				 */
3669 				error = NULL;
3670 				tag = NULL;
3671 			}
3672 		}
3673 		cmp = got_object_id_cmp(tag ?
3674 		    got_object_tag_get_object_id(tag) : ref_id, id);
3675 		free(ref_id);
3676 		if (tag)
3677 			got_object_tag_close(tag);
3678 		if (cmp != 0)
3679 			continue;
3680 		s = header->refs_str;
3681 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3682 		    s ? ", " : "", name) == -1) {
3683 			error = got_error_from_errno("asprintf");
3684 			free(s);
3685 			header->refs_str = NULL;
3686 			return error;
3687 		}
3688 		free(s);
3689 	}
3690 
3691 	error = got_object_id_str(&header->commit_id, id);
3692 	if (error)
3693 		return error;
3694 
3695 	error = got_object_id_str(&header->tree_id,
3696 	    got_object_commit_get_tree_id(commit));
3697 	if (error)
3698 		return error;
3699 
3700 	if (gw_trans->action == GW_DIFF) {
3701 		parent_id = STAILQ_FIRST(
3702 		    got_object_commit_get_parent_ids(commit));
3703 		if (parent_id != NULL) {
3704 			id2 = got_object_id_dup(parent_id->id);
3705 			free (parent_id);
3706 			error = got_object_id_str(&header->parent_id, id2);
3707 			if (error)
3708 				return error;
3709 			free(id2);
3710 		} else {
3711 			header->parent_id = strdup("/dev/null");
3712 			if (header->parent_id == NULL) {
3713 				error = got_error_from_errno("strdup");
3714 				return error;
3715 			}
3716 		}
3717 	}
3718 
3719 	header->committer_time =
3720 	    got_object_commit_get_committer_time(commit);
3721 
3722 	header->author =
3723 	    strdup(got_object_commit_get_author(commit));
3724 	if (header->author == NULL) {
3725 		error = got_error_from_errno("strdup");
3726 		return error;
3727 	}
3728 	header->committer =
3729 	    strdup(got_object_commit_get_committer(commit));
3730 	if (header->committer == NULL) {
3731 		error = got_error_from_errno("strdup");
3732 		return error;
3733 	}
3734 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3735 	if (error)
3736 		return error;
3737 
3738 	commit_msg = commit_msg0;
3739 	while (*commit_msg == '\n')
3740 		commit_msg++;
3741 
3742 	header->commit_msg = strdup(commit_msg);
3743 	if (header->commit_msg == NULL)
3744 		error = got_error_from_errno("strdup");
3745 	free(commit_msg0);
3746 	return error;
3747 }
3748 
3749 static const struct got_error *
3750 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3751 {
3752 	const struct got_error *error = NULL;
3753 	char *in_repo_path = NULL;
3754 	struct got_object_id *id = NULL;
3755 	struct got_reference *ref;
3756 
3757 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3758 	if (error)
3759 		return error;
3760 
3761 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3762 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3763 	    gw_trans->action == GW_TAGS) {
3764 		error = got_ref_open(&ref, gw_trans->repo,
3765 		    gw_trans->headref, 0);
3766 		if (error)
3767 			return error;
3768 
3769 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3770 		got_ref_close(ref);
3771 		if (error)
3772 			return error;
3773 	} else {
3774 		error = got_ref_open(&ref, gw_trans->repo,
3775 		    gw_trans->commit_id, 0);
3776 		if (error == NULL) {
3777 			int obj_type;
3778 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3779 			got_ref_close(ref);
3780 			if (error)
3781 				return error;
3782 			error = got_object_get_type(&obj_type, gw_trans->repo,
3783 			    id);
3784 			if (error)
3785 				goto done;
3786 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3787 				struct got_tag_object *tag;
3788 				error = got_object_open_as_tag(&tag,
3789 				    gw_trans->repo, id);
3790 				if (error)
3791 					goto done;
3792 				if (got_object_tag_get_object_type(tag) !=
3793 				    GOT_OBJ_TYPE_COMMIT) {
3794 					got_object_tag_close(tag);
3795 					error = got_error(GOT_ERR_OBJ_TYPE);
3796 					goto done;
3797 				}
3798 				free(id);
3799 				id = got_object_id_dup(
3800 				    got_object_tag_get_object_id(tag));
3801 				if (id == NULL)
3802 					error = got_error_from_errno(
3803 					    "got_object_id_dup");
3804 				got_object_tag_close(tag);
3805 				if (error)
3806 					goto done;
3807 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3808 				error = got_error(GOT_ERR_OBJ_TYPE);
3809 				goto done;
3810 			}
3811 		}
3812 		error = got_repo_match_object_id_prefix(&id,
3813 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3814 			    gw_trans->repo);
3815 		if (error)
3816 			goto done;
3817 	}
3818 
3819 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3820 	    gw_trans->repo_path);
3821 	if (error)
3822 		goto done;
3823 
3824 	if (in_repo_path) {
3825 		header->path = strdup(in_repo_path);
3826 		if (header->path == NULL) {
3827 			error = got_error_from_errno("strdup");
3828 			goto done;
3829 		}
3830 	}
3831 
3832 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3833 	    got_ref_cmp_by_name, NULL);
3834 	if (error)
3835 		goto done;
3836 
3837 	error = gw_get_commits(gw_trans, header, limit, id);
3838 done:
3839 	got_ref_list_free(&header->refs);
3840 	free(id);
3841 	free(in_repo_path);
3842 	return error;
3843 }
3844 
3845 struct blame_line {
3846 	int annotated;
3847 	char *id_str;
3848 	char *committer;
3849 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3850 };
3851 
3852 struct gw_blame_cb_args {
3853 	struct blame_line *lines;
3854 	int nlines;
3855 	int nlines_prec;
3856 	int lineno_cur;
3857 	off_t *line_offsets;
3858 	FILE *f;
3859 	struct got_repository *repo;
3860 	struct gw_trans *gw_trans;
3861 };
3862 
3863 static const struct got_error *
3864 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3865 {
3866 	const struct got_error *err = NULL;
3867 	struct gw_blame_cb_args *a = arg;
3868 	struct blame_line *bline;
3869 	char *line = NULL;
3870 	size_t linesize = 0;
3871 	struct got_commit_object *commit = NULL;
3872 	off_t offset;
3873 	struct tm tm;
3874 	time_t committer_time;
3875 	enum kcgi_err kerr = KCGI_OK;
3876 
3877 	if (nlines != a->nlines ||
3878 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3879 		return got_error(GOT_ERR_RANGE);
3880 
3881 	if (lineno == -1)
3882 		return NULL; /* no change in this commit */
3883 
3884 	/* Annotate this line. */
3885 	bline = &a->lines[lineno - 1];
3886 	if (bline->annotated)
3887 		return NULL;
3888 	err = got_object_id_str(&bline->id_str, id);
3889 	if (err)
3890 		return err;
3891 
3892 	err = got_object_open_as_commit(&commit, a->repo, id);
3893 	if (err)
3894 		goto done;
3895 
3896 	bline->committer = strdup(got_object_commit_get_committer(commit));
3897 	if (bline->committer == NULL) {
3898 		err = got_error_from_errno("strdup");
3899 		goto done;
3900 	}
3901 
3902 	committer_time = got_object_commit_get_committer_time(commit);
3903 	if (gmtime_r(&committer_time, &tm) == NULL)
3904 		return got_error_from_errno("gmtime_r");
3905 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3906 	    &tm) == 0) {
3907 		err = got_error(GOT_ERR_NO_SPACE);
3908 		goto done;
3909 	}
3910 	bline->annotated = 1;
3911 
3912 	/* Print lines annotated so far. */
3913 	bline = &a->lines[a->lineno_cur - 1];
3914 	if (!bline->annotated)
3915 		goto done;
3916 
3917 	offset = a->line_offsets[a->lineno_cur - 1];
3918 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3919 		err = got_error_from_errno("fseeko");
3920 		goto done;
3921 	}
3922 
3923 	while (bline->annotated) {
3924 		char *smallerthan, *at, *nl, *committer;
3925 		char *href_diff = NULL;
3926 		size_t len;
3927 
3928 		if (getline(&line, &linesize, a->f) == -1) {
3929 			if (ferror(a->f))
3930 				err = got_error_from_errno("getline");
3931 			break;
3932 		}
3933 
3934 		committer = bline->committer;
3935 		smallerthan = strchr(committer, '<');
3936 		if (smallerthan && smallerthan[1] != '\0')
3937 			committer = smallerthan + 1;
3938 		at = strchr(committer, '@');
3939 		if (at)
3940 			*at = '\0';
3941 		len = strlen(committer);
3942 		if (len >= 9)
3943 			committer[8] = '\0';
3944 
3945 		nl = strchr(line, '\n');
3946 		if (nl)
3947 			*nl = '\0';
3948 
3949 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3950 		    "blame_wrapper", KATTR__MAX);
3951 		if (kerr != KCGI_OK)
3952 			goto err;
3953 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3954 		    "blame_number", KATTR__MAX);
3955 		if (kerr != KCGI_OK)
3956 			goto err;
3957 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3958 		    a->nlines_prec, a->lineno_cur);
3959 		if (kerr != KCGI_OK)
3960 			goto err;
3961 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3962 		if (kerr != KCGI_OK)
3963 			goto err;
3964 
3965 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3966 		    "blame_hash", KATTR__MAX);
3967 		if (kerr != KCGI_OK)
3968 			goto err;
3969 
3970 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3971 		    a->gw_trans->repo_name, "action", "diff", "commit",
3972 		    bline->id_str, NULL);
3973 		if (href_diff == NULL) {
3974 			err = got_error_from_errno("khttp_urlpart");
3975 			goto done;
3976 		}
3977 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3978 		    KATTR_HREF, href_diff, KATTR__MAX);
3979 		if (kerr != KCGI_OK)
3980 			goto done;
3981 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3982 		    bline->id_str);
3983 		if (kerr != KCGI_OK)
3984 			goto err;
3985 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3986 		if (kerr != KCGI_OK)
3987 			goto err;
3988 
3989 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3990 		    "blame_date", KATTR__MAX);
3991 		if (kerr != KCGI_OK)
3992 			goto err;
3993 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3994 		if (kerr != KCGI_OK)
3995 			goto err;
3996 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
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_author", KATTR__MAX);
4002 		if (kerr != KCGI_OK)
4003 			goto err;
4004 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
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_code", KATTR__MAX);
4013 		if (kerr != KCGI_OK)
4014 			goto err;
4015 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
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_closeelem(a->gw_trans->gw_html_req, 1);
4023 		if (kerr != KCGI_OK)
4024 			goto err;
4025 
4026 		a->lineno_cur++;
4027 		bline = &a->lines[a->lineno_cur - 1];
4028 err:
4029 		free(href_diff);
4030 	}
4031 done:
4032 	if (commit)
4033 		got_object_commit_close(commit);
4034 	free(line);
4035 	if (err == NULL && kerr != KCGI_OK)
4036 		err = gw_kcgi_error(kerr);
4037 	return err;
4038 }
4039 
4040 static const struct got_error *
4041 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4042 {
4043 	const struct got_error *error = NULL;
4044 	struct got_object_id *obj_id = NULL;
4045 	struct got_object_id *commit_id = NULL;
4046 	struct got_blob_object *blob = NULL;
4047 	char *path = NULL, *in_repo_path = NULL;
4048 	struct gw_blame_cb_args bca;
4049 	int i, obj_type;
4050 	off_t filesize;
4051 
4052 	if (asprintf(&path, "%s%s%s",
4053 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4054 	    gw_trans->repo_folder ? "/" : "",
4055 	    gw_trans->repo_file) == -1) {
4056 		error = got_error_from_errno("asprintf");
4057 		goto done;
4058 	}
4059 
4060 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4061 	if (error)
4062 		goto done;
4063 
4064 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4065 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4066 	if (error)
4067 		goto done;
4068 
4069 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4070 	    in_repo_path);
4071 	if (error)
4072 		goto done;
4073 
4074 	if (obj_id == NULL) {
4075 		error = got_error(GOT_ERR_NO_OBJ);
4076 		goto done;
4077 	}
4078 
4079 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4080 	if (error)
4081 		goto done;
4082 
4083 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4084 		error = got_error(GOT_ERR_OBJ_TYPE);
4085 		goto done;
4086 	}
4087 
4088 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4089 	if (error)
4090 		goto done;
4091 
4092 	bca.f = got_opentemp();
4093 	if (bca.f == NULL) {
4094 		error = got_error_from_errno("got_opentemp");
4095 		goto done;
4096 	}
4097 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4098 	    &bca.line_offsets, bca.f, blob);
4099 	if (error || bca.nlines == 0)
4100 		goto done;
4101 
4102 	/* Don't include \n at EOF in the blame line count. */
4103 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4104 		bca.nlines--;
4105 
4106 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4107 	if (bca.lines == NULL) {
4108 		error = got_error_from_errno("calloc");
4109 		goto done;
4110 	}
4111 	bca.lineno_cur = 1;
4112 	bca.nlines_prec = 0;
4113 	i = bca.nlines;
4114 	while (i > 0) {
4115 		i /= 10;
4116 		bca.nlines_prec++;
4117 	}
4118 	bca.repo = gw_trans->repo;
4119 	bca.gw_trans = gw_trans;
4120 
4121 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
4122 	    &bca, NULL, NULL);
4123 done:
4124 	free(in_repo_path);
4125 	free(commit_id);
4126 	free(obj_id);
4127 	free(path);
4128 
4129 	if (blob) {
4130 		free(bca.line_offsets);
4131 		for (i = 0; i < bca.nlines; i++) {
4132 			struct blame_line *bline = &bca.lines[i];
4133 			free(bline->id_str);
4134 			free(bline->committer);
4135 		}
4136 		free(bca.lines);
4137 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4138 			error = got_error_from_errno("fclose");
4139 	}
4140 	if (blob)
4141 		got_object_blob_close(blob);
4142 	return error;
4143 }
4144 
4145 static const struct got_error *
4146 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4147 {
4148 	const struct got_error *error = NULL;
4149 	struct got_object_id *obj_id = NULL;
4150 	struct got_object_id *commit_id = NULL;
4151 	struct got_blob_object *blob = NULL;
4152 	char *path = NULL, *in_repo_path = NULL;
4153 	int obj_type, set_mime = 0;
4154 	size_t len, hdrlen;
4155 	const uint8_t *buf;
4156 	enum kcgi_err kerr = KCGI_OK;
4157 
4158 	if (asprintf(&path, "%s%s%s",
4159 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4160 	    gw_trans->repo_folder ? "/" : "",
4161 	    gw_trans->repo_file) == -1) {
4162 		error = got_error_from_errno("asprintf");
4163 		goto done;
4164 	}
4165 
4166 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4167 	if (error)
4168 		goto done;
4169 
4170 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4171 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4172 	if (error)
4173 		goto done;
4174 
4175 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4176 	    in_repo_path);
4177 	if (error)
4178 		goto done;
4179 
4180 	if (obj_id == NULL) {
4181 		error = got_error(GOT_ERR_NO_OBJ);
4182 		goto done;
4183 	}
4184 
4185 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4186 	if (error)
4187 		goto done;
4188 
4189 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4190 		error = got_error(GOT_ERR_OBJ_TYPE);
4191 		goto done;
4192 	}
4193 
4194 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4195 	if (error)
4196 		goto done;
4197 
4198 	hdrlen = got_object_blob_get_hdrlen(blob);
4199 	do {
4200 		error = got_object_blob_read_block(&len, blob);
4201 		if (error)
4202 			goto done;
4203 		buf = got_object_blob_get_read_buf(blob);
4204 
4205 		/*
4206 		 * Skip blob object header first time around,
4207 		 * which also contains a zero byte.
4208 		 */
4209 		buf += hdrlen;
4210 		if (set_mime == 0) {
4211 			if (isbinary(buf, len - hdrlen))
4212 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4213 			else
4214 				gw_trans->mime = KMIME_TEXT_PLAIN;
4215 			set_mime = 1;
4216 			error = gw_display_index(gw_trans);
4217 			if (error)
4218 				goto done;
4219 		}
4220 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4221 		if (kerr != KCGI_OK)
4222 			goto done;
4223 		hdrlen = 0;
4224 	} while (len != 0);
4225 done:
4226 	free(in_repo_path);
4227 	free(commit_id);
4228 	free(obj_id);
4229 	free(path);
4230 	if (blob)
4231 		got_object_blob_close(blob);
4232 	if (error == NULL && kerr != KCGI_OK)
4233 		error = gw_kcgi_error(kerr);
4234 	return error;
4235 }
4236 
4237 static const struct got_error *
4238 gw_output_repo_tree(struct gw_trans *gw_trans, struct gw_header *header)
4239 {
4240 	const struct got_error *error = NULL;
4241 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4242 	struct got_tree_object *tree = NULL;
4243 	char *path = NULL, *in_repo_path = NULL;
4244 	char *id_str = NULL;
4245 	char *build_folder = NULL;
4246 	char *href_blob = NULL, *href_blame = NULL;
4247 	const char *class = NULL;
4248 	int nentries, i, class_flip = 0;
4249 	enum kcgi_err kerr = KCGI_OK;
4250 
4251 	if (gw_trans->repo_folder != NULL) {
4252 		path = strdup(gw_trans->repo_folder);
4253 		if (path == NULL) {
4254 			error = got_error_from_errno("strdup");
4255 			goto done;
4256 		}
4257 	} else {
4258 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4259 		    gw_trans->repo_path);
4260 		if (error)
4261 			goto done;
4262 		free(path);
4263 		path = in_repo_path;
4264 	}
4265 
4266 	if (gw_trans->commit_id == NULL) {
4267 		struct got_reference *head_ref;
4268 		error = got_ref_open(&head_ref, gw_trans->repo,
4269 		    gw_trans->headref, 0);
4270 		if (error)
4271 			goto done;
4272 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4273 		if (error)
4274 			goto done;
4275 		got_ref_close(head_ref);
4276 		/*
4277 		 * gw_trans->commit_id was not parsed from the querystring
4278 		 * we hit this code path from gw_index, where we don't know the
4279 		 * commit values for the tree link yet, so set
4280 		 * gw_trans->commit_id here to continue further into the tree
4281 		 */
4282 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4283 		if (error)
4284 			goto done;
4285 
4286 	} else {
4287 		error = got_repo_match_object_id(&commit_id, NULL,
4288 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4289 		    gw_trans->repo);
4290 		if (error)
4291 			goto done;
4292 	}
4293 
4294 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4295 	    path);
4296 	if (error)
4297 		goto done;
4298 
4299 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4300 	if (error)
4301 		goto done;
4302 
4303 	nentries = got_object_tree_get_nentries(tree);
4304 	for (i = 0; i < nentries; i++) {
4305 		struct got_tree_entry *te;
4306 		const char *modestr = "";
4307 		mode_t mode;
4308 
4309 		te = got_object_tree_get_entry(tree, i);
4310 
4311 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4312 		if (error)
4313 			goto done;
4314 
4315 		mode = got_tree_entry_get_mode(te);
4316 		if (got_object_tree_entry_is_submodule(te))
4317 			modestr = "$";
4318 		else if (S_ISLNK(mode))
4319 			modestr = "@";
4320 		else if (S_ISDIR(mode))
4321 			modestr = "/";
4322 		else if (mode & S_IXUSR)
4323 			modestr = "*";
4324 
4325 		if (class_flip == 0) {
4326 			class = "back_lightgray";
4327 			class_flip = 1;
4328 		} else {
4329 			class = "back_white";
4330 			class_flip = 0;
4331 		}
4332 
4333 		if (S_ISDIR(mode)) {
4334 			if (asprintf(&build_folder, "%s/%s",
4335 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4336 			    got_tree_entry_get_name(te)) == -1) {
4337 				error = got_error_from_errno("asprintf");
4338 				goto done;
4339 			}
4340 
4341 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4342 			    gw_trans->repo_name, "action",
4343 			    gw_get_action_name(gw_trans), "commit",
4344 			    gw_trans->commit_id, "folder", build_folder, NULL);
4345 			if (href_blob == NULL) {
4346 				error = got_error_from_errno("khttp_urlpart");
4347 				goto done;
4348 			}
4349 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4350 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4351 			if (kerr != KCGI_OK)
4352 				goto done;
4353 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4354 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4355 			    KATTR__MAX);
4356 			if (kerr != KCGI_OK)
4357 				goto done;
4358 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4359 			    KATTR_HREF, href_blob, KATTR_CLASS,
4360 			    "diff_directory", KATTR__MAX);
4361 			if (kerr != KCGI_OK)
4362 				goto done;
4363 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4364 			    got_tree_entry_get_name(te), modestr);
4365 			if (kerr != KCGI_OK)
4366 				goto done;
4367 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4368 			if (kerr != KCGI_OK)
4369 				goto done;
4370 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4371 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4372 			    KATTR__MAX);
4373 			if (kerr != KCGI_OK)
4374 				goto done;
4375 			kerr = khtml_entity(gw_trans->gw_html_req,
4376 			    KENTITY_nbsp);
4377 			if (kerr != KCGI_OK)
4378 				goto done;
4379 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4380 			if (kerr != KCGI_OK)
4381 				goto done;
4382 		} else {
4383 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4384 			    gw_trans->repo_name, "action", "blob", "commit",
4385 			    gw_trans->commit_id, "file",
4386 			    got_tree_entry_get_name(te), "folder",
4387 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4388 			    NULL);
4389 			if (href_blob == NULL) {
4390 				error = got_error_from_errno("khttp_urlpart");
4391 				goto done;
4392 			}
4393 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4394 			    gw_trans->repo_name, "action", "blame", "commit",
4395 			    gw_trans->commit_id, "file",
4396 			    got_tree_entry_get_name(te), "folder", 
4397 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4398 			    NULL);
4399 			if (href_blame == NULL) {
4400 				error = got_error_from_errno("khttp_urlpart");
4401 				goto done;
4402 			}
4403 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4404 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4405 			if (kerr != KCGI_OK)
4406 				goto done;
4407 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4408 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4409 			    KATTR__MAX);
4410 			if (kerr != KCGI_OK)
4411 				goto done;
4412 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4413 			    KATTR_HREF, href_blob, KATTR__MAX);
4414 			if (kerr != KCGI_OK)
4415 				goto done;
4416 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4417 			    got_tree_entry_get_name(te), modestr);
4418 			if (kerr != KCGI_OK)
4419 				goto done;
4420 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4421 			if (kerr != KCGI_OK)
4422 				goto done;
4423 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4424 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4425 			    KATTR__MAX);
4426 			if (kerr != KCGI_OK)
4427 				goto done;
4428 
4429 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4430 			    KATTR_HREF, href_blob, KATTR__MAX);
4431 			if (kerr != KCGI_OK)
4432 				goto done;
4433 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4434 			if (kerr != KCGI_OK)
4435 				goto done;
4436 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4437 			if (kerr != KCGI_OK)
4438 				goto done;
4439 
4440 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4441 			if (kerr != KCGI_OK)
4442 				goto done;
4443 
4444 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4445 			    KATTR_HREF, href_blame, KATTR__MAX);
4446 			if (kerr != KCGI_OK)
4447 				goto done;
4448 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4449 			if (kerr != KCGI_OK)
4450 				goto done;
4451 
4452 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4453 			if (kerr != KCGI_OK)
4454 				goto done;
4455 		}
4456 		free(id_str);
4457 		id_str = NULL;
4458 		free(href_blob);
4459 		href_blob = NULL;
4460 		free(build_folder);
4461 		build_folder = NULL;
4462 	}
4463 done:
4464 	if (tree)
4465 		got_object_tree_close(tree);
4466 	free(id_str);
4467 	free(href_blob);
4468 	free(href_blame);
4469 	free(in_repo_path);
4470 	free(tree_id);
4471 	free(build_folder);
4472 	if (error == NULL && kerr != KCGI_OK)
4473 		error = gw_kcgi_error(kerr);
4474 	return error;
4475 }
4476 
4477 static const struct got_error *
4478 gw_output_repo_heads(struct gw_trans *gw_trans)
4479 {
4480 	const struct got_error *error = NULL;
4481 	struct got_reflist_head refs;
4482 	struct got_reflist_entry *re;
4483 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4484 	char *href_commits = NULL;
4485 	enum kcgi_err kerr = KCGI_OK;
4486 
4487 	TAILQ_INIT(&refs);
4488 
4489 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4490 	    got_ref_cmp_by_name, NULL);
4491 	if (error)
4492 		goto done;
4493 
4494 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4495 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4496 	if (kerr != KCGI_OK)
4497 		goto done;
4498 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4499 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4500 	if (kerr != KCGI_OK)
4501 		goto done;
4502 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4503 	if (kerr != KCGI_OK)
4504 		goto done;
4505 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4506 	if (kerr != KCGI_OK)
4507 		goto done;
4508 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4509 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4510 	if (kerr != KCGI_OK)
4511 		goto done;
4512 
4513 	TAILQ_FOREACH(re, &refs, entry) {
4514 		const char *refname;
4515 
4516 		if (got_ref_is_symbolic(re->ref))
4517 			continue;
4518 
4519 		refname = got_ref_get_name(re->ref);
4520 		if (strncmp(refname, "refs/heads/", 11) != 0)
4521 			continue;
4522 
4523 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4524 		    refname, TM_DIFF);
4525 		if (error)
4526 			goto done;
4527 
4528 		if (strncmp(refname, "refs/heads/", 11) == 0)
4529 			refname += 11;
4530 
4531 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4532 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4533 		if (kerr != KCGI_OK)
4534 			goto done;
4535 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4536 		    KATTR_ID, "heads_age", KATTR__MAX);
4537 		if (kerr != KCGI_OK)
4538 			goto done;
4539 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4540 		if (kerr != KCGI_OK)
4541 			goto done;
4542 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4543 		if (kerr != KCGI_OK)
4544 			goto done;
4545 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4546 		    KATTR_ID, "heads_space", KATTR__MAX);
4547 		if (kerr != KCGI_OK)
4548 			goto done;
4549 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4550 		if (kerr != KCGI_OK)
4551 			goto done;
4552 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4553 		if (kerr != KCGI_OK)
4554 			goto done;
4555 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4556 		    KATTR_ID, "head", KATTR__MAX);
4557 		if (kerr != KCGI_OK)
4558 			goto done;
4559 
4560 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4561 		    gw_trans->repo_name, "action", "summary", "headref",
4562 		    refname, NULL);
4563 		if (href_summary == NULL) {
4564 			error = got_error_from_errno("khttp_urlpart");
4565 			goto done;
4566 		}
4567 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4568 		    href_summary, KATTR__MAX);
4569 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4570 		if (kerr != KCGI_OK)
4571 			goto done;
4572 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4573 		if (kerr != KCGI_OK)
4574 			goto done;
4575 
4576 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4577 		    "navs_wrapper", KATTR__MAX);
4578 		if (kerr != KCGI_OK)
4579 			goto done;
4580 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4581 		    "navs", KATTR__MAX);
4582 		if (kerr != KCGI_OK)
4583 			goto done;
4584 
4585 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4586 		    href_summary, KATTR__MAX);
4587 		if (kerr != KCGI_OK)
4588 			goto done;
4589 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4590 		if (kerr != KCGI_OK)
4591 			goto done;
4592 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4593 		if (kerr != KCGI_OK)
4594 			goto done;
4595 
4596 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4597 		if (kerr != KCGI_OK)
4598 			goto done;
4599 
4600 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4601 		    gw_trans->repo_name, "action", "briefs", "headref",
4602 		    refname, NULL);
4603 		if (href_briefs == NULL) {
4604 			error = got_error_from_errno("khttp_urlpart");
4605 			goto done;
4606 		}
4607 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4608 		    href_briefs, KATTR__MAX);
4609 		if (kerr != KCGI_OK)
4610 			goto done;
4611 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4612 		if (kerr != KCGI_OK)
4613 			goto done;
4614 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4615 		if (kerr != KCGI_OK)
4616 			goto done;
4617 
4618 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4619 		if (kerr != KCGI_OK)
4620 			goto done;
4621 
4622 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4623 		    gw_trans->repo_name, "action", "commits", "headref",
4624 		    refname, NULL);
4625 		if (href_commits == NULL) {
4626 			error = got_error_from_errno("khttp_urlpart");
4627 			goto done;
4628 		}
4629 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4630 		    href_commits, KATTR__MAX);
4631 		if (kerr != KCGI_OK)
4632 			goto done;
4633 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4634 		if (kerr != KCGI_OK)
4635 			goto done;
4636 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4637 		if (kerr != KCGI_OK)
4638 			goto done;
4639 
4640 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4641 		    "dotted_line", KATTR__MAX);
4642 		if (kerr != KCGI_OK)
4643 			goto done;
4644 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4645 		if (kerr != KCGI_OK)
4646 			goto done;
4647 		free(href_summary);
4648 		href_summary = NULL;
4649 		free(href_briefs);
4650 		href_briefs = NULL;
4651 		free(href_commits);
4652 		href_commits = NULL;
4653 	}
4654 done:
4655 	got_ref_list_free(&refs);
4656 	free(href_summary);
4657 	free(href_briefs);
4658 	free(href_commits);
4659 	return error;
4660 }
4661 
4662 static const struct got_error *
4663 gw_output_site_link(struct gw_trans *gw_trans)
4664 {
4665 	const struct got_error *error = NULL;
4666 	char *href_summary = NULL;
4667 	enum kcgi_err kerr = KCGI_OK;
4668 
4669 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4670 	    "site_link", KATTR__MAX);
4671 	if (kerr != KCGI_OK)
4672 		goto done;
4673 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4674 	    KATTR__MAX);
4675 	if (kerr != KCGI_OK)
4676 		goto done;
4677 	kerr = khtml_puts(gw_trans->gw_html_req,
4678 	    gw_trans->gw_conf->got_site_link);
4679 	if (kerr != KCGI_OK)
4680 		goto done;
4681 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4682 	if (kerr != KCGI_OK)
4683 		goto done;
4684 
4685 	if (gw_trans->repo_name != NULL) {
4686 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4687 		if (kerr != KCGI_OK)
4688 			goto done;
4689 
4690 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4691 		    gw_trans->repo_name, "action", "summary", NULL);
4692 		if (href_summary == NULL) {
4693 			error = got_error_from_errno("khttp_urlpart");
4694 			goto done;
4695 		}
4696 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4697 		    href_summary, KATTR__MAX);
4698 		if (kerr != KCGI_OK)
4699 			goto done;
4700 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4701 		if (kerr != KCGI_OK)
4702 			goto done;
4703 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4704 		if (kerr != KCGI_OK)
4705 			goto done;
4706 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4707 		    gw_get_action_name(gw_trans));
4708 		if (kerr != KCGI_OK)
4709 			goto done;
4710 	}
4711 
4712 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4713 	if (kerr != KCGI_OK)
4714 		goto done;
4715 done:
4716 	free(href_summary);
4717 	if (error == NULL && kerr != KCGI_OK)
4718 		error = gw_kcgi_error(kerr);
4719 	return error;
4720 }
4721 
4722 static const struct got_error *
4723 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4724 {
4725 	const struct got_error *error = NULL;
4726 	char *color = NULL;
4727 	enum kcgi_err kerr = KCGI_OK;
4728 
4729 	if (strncmp(buf, "-", 1) == 0)
4730 		color = "diff_minus";
4731 	else if (strncmp(buf, "+", 1) == 0)
4732 		color = "diff_plus";
4733 	else if (strncmp(buf, "@@", 2) == 0)
4734 		color = "diff_chunk_header";
4735 	else if (strncmp(buf, "@@", 2) == 0)
4736 		color = "diff_chunk_header";
4737 	else if (strncmp(buf, "commit +", 8) == 0)
4738 		color = "diff_meta";
4739 	else if (strncmp(buf, "commit -", 8) == 0)
4740 		color = "diff_meta";
4741 	else if (strncmp(buf, "blob +", 6) == 0)
4742 		color = "diff_meta";
4743 	else if (strncmp(buf, "blob -", 6) == 0)
4744 		color = "diff_meta";
4745 	else if (strncmp(buf, "file +", 6) == 0)
4746 		color = "diff_meta";
4747 	else if (strncmp(buf, "file -", 6) == 0)
4748 		color = "diff_meta";
4749 	else if (strncmp(buf, "from:", 5) == 0)
4750 		color = "diff_author";
4751 	else if (strncmp(buf, "via:", 4) == 0)
4752 		color = "diff_author";
4753 	else if (strncmp(buf, "date:", 5) == 0)
4754 		color = "diff_date";
4755 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4756 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4757 	if (error == NULL && kerr != KCGI_OK)
4758 		error = gw_kcgi_error(kerr);
4759 	return error;
4760 }
4761 
4762 int
4763 main(int argc, char *argv[])
4764 {
4765 	const struct got_error *error = NULL, *error2 = NULL;
4766 	struct gw_trans *gw_trans;
4767 	struct gw_dir *dir = NULL, *tdir;
4768 	const char *page = "index";
4769 	enum kcgi_err kerr = KCGI_OK;
4770 
4771 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4772 		errx(1, "malloc");
4773 
4774 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4775 		errx(1, "malloc");
4776 
4777 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4778 		errx(1, "malloc");
4779 
4780 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4781 		errx(1, "malloc");
4782 
4783 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4784 	if (kerr != KCGI_OK) {
4785 		error = gw_kcgi_error(kerr);
4786 		goto done;
4787 	}
4788 
4789 	TAILQ_INIT(&gw_trans->gw_dirs);
4790 	TAILQ_INIT(&gw_trans->gw_headers);
4791 
4792 	gw_trans->action = -1;
4793 	gw_trans->page = 0;
4794 	gw_trans->repos_total = 0;
4795 	gw_trans->repo_path = NULL;
4796 	gw_trans->commit_id = NULL;
4797 	gw_trans->next_id = NULL;
4798 	gw_trans->prev_id = NULL;
4799 	gw_trans->headref = GOT_REF_HEAD;
4800 	gw_trans->mime = KMIME_TEXT_HTML;
4801 	gw_trans->gw_tmpl->key = gw_templs;
4802 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4803 	gw_trans->gw_tmpl->arg = gw_trans;
4804 	gw_trans->gw_tmpl->cb = gw_template;
4805 
4806 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4807 	if (error)
4808 		goto done;
4809 
4810 	error = gw_parse_querystring(gw_trans);
4811 	if (error)
4812 		goto done;
4813 
4814 	if (gw_trans->action == GW_BLOB)
4815 		error = gw_blob(gw_trans);
4816 	else
4817 		error = gw_display_index(gw_trans);
4818 done:
4819 	if (gw_trans->repo) {
4820 		const struct got_error *close_err;
4821 		close_err = got_repo_close(gw_trans->repo);
4822 		if (error == NULL)
4823 			error = close_err;
4824 	}
4825 	if (error) {
4826 		gw_trans->error = error;
4827 		gw_trans->action = GW_ERR;
4828 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4829 		if (error2)
4830 			goto cleanup; /* we can't display an error page */
4831 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4832 		if (kerr != KCGI_OK)
4833 			goto cleanup; /* we can't display an error page */
4834 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4835 			gw_query_funcs[gw_trans->action].template);
4836 		if (kerr != KCGI_OK) {
4837 			khtml_close(gw_trans->gw_html_req);
4838 			goto cleanup; /* we can't display an error page */
4839 		}
4840 	}
4841 
4842 cleanup:
4843 	free(gw_trans->gw_conf->got_repos_path);
4844 	free(gw_trans->gw_conf->got_www_path);
4845 	free(gw_trans->gw_conf->got_site_name);
4846 	free(gw_trans->gw_conf->got_site_owner);
4847 	free(gw_trans->gw_conf->got_site_link);
4848 	free(gw_trans->gw_conf->got_logo);
4849 	free(gw_trans->gw_conf->got_logo_url);
4850 	free(gw_trans->gw_conf);
4851 	free(gw_trans->commit_id);
4852 	free(gw_trans->next_id);
4853 	free(gw_trans->prev_id);
4854 	free(gw_trans->repo_path);
4855 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4856 		free(dir->name);
4857 		free(dir->description);
4858 		free(dir->age);
4859 		free(dir->url);
4860 		free(dir->path);
4861 		free(dir);
4862 	}
4863 
4864 	khttp_free(gw_trans->gw_req);
4865 	return 0;
4866 }