1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/queue.h>
19 #include <sys/stat.h>
20 #include <sys/types.h>
21 
22 #include <ctype.h>
23 #include <dirent.h>
24 #include <err.h>
25 #include <errno.h>
26 #include <regex.h>
27 #include <stdarg.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include <got_object.h>
35 #include <got_reference.h>
36 #include <got_repository.h>
37 #include <got_path.h>
38 #include <got_cancel.h>
39 #include <got_worktree.h>
40 #include <got_diff.h>
41 #include <got_commit_graph.h>
42 #include <got_blame.h>
43 #include <got_privsep.h>
44 #include <got_opentemp.h>
45 
46 #include <kcgi.h>
47 #include <kcgihtml.h>
48 
49 #include "gotweb.h"
50 
51 #ifndef nitems
52 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
53 #endif
54 
55 struct gw_trans {
56 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
57 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
58 	struct got_repository	*repo;
59 	struct gw_dir		*gw_dir;
60 	struct gotweb_conf	*gw_conf;
61 	struct ktemplate	*gw_tmpl;
62 	struct khtmlreq		*gw_html_req;
63 	struct kreq		*gw_req;
64 	const struct got_error	*error;
65 	const char		*repo_name;
66 	char			*repo_path;
67 	char			*commit_id;
68 	char			*next_id;
69 	char			*next_prev_id;
70 	char			*prev_id;
71 	char			*prev_prev_id;
72 	const char		*repo_file;
73 	char			*repo_folder;
74 	const char		*headref;
75 	unsigned int		 action;
76 	unsigned int		 page;
77 	unsigned int		 repos_total;
78 	enum kmime		 mime;
79 };
80 
81 struct gw_header {
82 	TAILQ_ENTRY(gw_header)		 entry;
83 	struct got_reflist_head		 refs;
84 	char				*path;
85 
86 	char			*refs_str;
87 	char			*commit_id; /* id_str1 */
88 	char			*parent_id; /* id_str2 */
89 	char			*tree_id;
90 	char			*author;
91 	char			*committer;
92 	char			*commit_msg;
93 	time_t			 committer_time;
94 };
95 
96 struct gw_dir {
97 	TAILQ_ENTRY(gw_dir)	 entry;
98 	char			*name;
99 	char			*owner;
100 	char			*description;
101 	char			*url;
102 	char			*age;
103 	char			*path;
104 };
105 
106 enum gw_key {
107 	KEY_ACTION,
108 	KEY_COMMIT_ID,
109 	KEY_FILE,
110 	KEY_FOLDER,
111 	KEY_HEADREF,
112 	KEY_PAGE,
113 	KEY_PATH,
114 	KEY_PREV_ID,
115 	KEY_PREV_PREV_ID,
116 	KEY__ZMAX
117 };
118 
119 enum gw_tmpl {
120 	TEMPL_CONTENT,
121 	TEMPL_HEAD,
122 	TEMPL_HEADER,
123 	TEMPL_SEARCH,
124 	TEMPL_SITEPATH,
125 	TEMPL_SITEOWNER,
126 	TEMPL_TITLE,
127 	TEMPL__MAX
128 };
129 
130 enum gw_ref_tm {
131 	TM_DIFF,
132 	TM_LONG,
133 };
134 
135 enum gw_tags_type {
136 	TAGBRIEF,
137 	TAGFULL,
138 };
139 
140 static const char *const gw_templs[TEMPL__MAX] = {
141 	"content",
142 	"head",
143 	"header",
144 	"search",
145 	"sitepath",
146 	"siteowner",
147 	"title",
148 };
149 
150 static const struct kvalid gw_keys[KEY__ZMAX] = {
151 	{ kvalid_stringne,	"action" },
152 	{ kvalid_stringne,	"commit" },
153 	{ kvalid_stringne,	"file" },
154 	{ kvalid_stringne,	"folder" },
155 	{ kvalid_stringne,	"headref" },
156 	{ kvalid_int,		"page" },
157 	{ kvalid_stringne,	"path" },
158 	{ kvalid_stringne,	"prev" },
159 	{ kvalid_stringne,	"prev_prev" },
160 };
161 
162 static struct gw_header		*gw_init_header(void);
163 
164 static void			 gw_free_header(struct gw_header *);
165 
166 static int			 gw_template(size_t, void *);
167 
168 static const struct got_error	*gw_error(struct gw_trans *);
169 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
170 static const struct got_error	*gw_get_repo_description(char **,
171 				    struct gw_trans *, char *);
172 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
173 				    char *);
174 static const struct got_error	*gw_get_time_str(char **, time_t, int);
175 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
176 				    char *, const char *, int);
177 static const struct got_error	*gw_output_file_blame(struct gw_trans *);
178 static const struct got_error	*gw_output_blob_buf(struct gw_trans *);
179 static const struct got_error	*gw_output_repo_tree(struct gw_trans *);
180 static const struct got_error	*gw_output_diff(struct gw_trans *,
181 				    struct gw_header *);
182 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
183 				    struct gw_header *, int, int);
184 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
185 static const struct got_error	*gw_output_site_link(struct gw_trans *);
186 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
187 				    char *);
188 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
189 
190 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
191 				    char*);
192 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
193 				    char*);
194 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
195 				    const char *);
196 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
197 				    const char *);
198 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
199 				    const char *);
200 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
201 				    char *);
202 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
203 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
204 				    enum kmime);
205 static const struct got_error	*gw_display_index(struct gw_trans *);
206 static const struct got_error	*gw_get_header(struct gw_trans *,
207 				    struct gw_header *, int);
208 static const struct got_error	*gw_get_commits(struct gw_trans *,
209 				    struct gw_header *, int,
210 				    struct got_object_id *);
211 static const struct got_error	*gw_get_commit(struct gw_trans *,
212 				    struct gw_header *,
213 				    struct got_commit_object *,
214 				    struct got_object_id *);
215 static const struct got_error	*gw_apply_unveil(const char *);
216 static const struct got_error	*gw_blame_cb(void *, int, int,
217 				    struct got_object_id *);
218 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
219 static const struct got_error	*gw_load_got_path(struct gw_trans *,
220 				    struct gw_dir *);
221 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
222 static const struct got_error	*gw_blame(struct gw_trans *);
223 static const struct got_error	*gw_blob(struct gw_trans *);
224 static const struct got_error	*gw_diff(struct gw_trans *);
225 static const struct got_error	*gw_index(struct gw_trans *);
226 static const struct got_error	*gw_commits(struct gw_trans *);
227 static const struct got_error	*gw_briefs(struct gw_trans *);
228 static const struct got_error	*gw_summary(struct gw_trans *);
229 static const struct got_error	*gw_tree(struct gw_trans *);
230 static const struct got_error	*gw_tag(struct gw_trans *);
231 static const struct got_error	*gw_tags(struct gw_trans *);
232 
233 struct gw_query_action {
234 	unsigned int		 func_id;
235 	const char		*func_name;
236 	const struct got_error	*(*func_main)(struct gw_trans *);
237 	char			*template;
238 };
239 
240 enum gw_query_actions {
241 	GW_BLAME,
242 	GW_BLOB,
243 	GW_BRIEFS,
244 	GW_COMMITS,
245 	GW_DIFF,
246 	GW_ERR,
247 	GW_INDEX,
248 	GW_SUMMARY,
249 	GW_TAG,
250 	GW_TAGS,
251 	GW_TREE,
252 };
253 
254 static struct gw_query_action gw_query_funcs[] = {
255 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
256 	{ GW_BLOB,	"blob",		NULL,		NULL },
257 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
258 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
259 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
260 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
261 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
262 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
263 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
264 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
265 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
266 };
267 
268 static const char * 
269 gw_get_action_name(struct gw_trans *gw_trans)
270 {
271 	return gw_query_funcs[gw_trans->action].func_name;
272 }
273 
274 static const struct got_error *
275 gw_kcgi_error(enum kcgi_err kerr)
276 {
277 	if (kerr == KCGI_OK)
278 		return NULL;
279 
280 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
281 		return got_error(GOT_ERR_CANCELLED);
282 
283 	if (kerr == KCGI_ENOMEM)
284 		return got_error_set_errno(ENOMEM,
285 		    kcgi_strerror(kerr));
286 
287 	if (kerr == KCGI_ENFILE)
288 		return got_error_set_errno(ENFILE,
289 		    kcgi_strerror(kerr));
290 
291 	if (kerr == KCGI_EAGAIN)
292 		return got_error_set_errno(EAGAIN,
293 		    kcgi_strerror(kerr));
294 
295 	if (kerr == KCGI_FORM)
296 		return got_error_msg(GOT_ERR_IO,
297 		    kcgi_strerror(kerr));
298 
299 	return got_error_from_errno(kcgi_strerror(kerr));
300 }
301 
302 static const struct got_error *
303 gw_apply_unveil(const char *repo_path)
304 {
305 	const struct got_error *err;
306 
307 	if (repo_path && unveil(repo_path, "r") != 0)
308 		return got_error_from_errno2("unveil", repo_path);
309 
310 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
311 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
312 
313 	err = got_privsep_unveil_exec_helpers();
314 	if (err != NULL)
315 		return err;
316 
317 	if (unveil(NULL, NULL) != 0)
318 		return got_error_from_errno("unveil");
319 
320 	return NULL;
321 }
322 
323 static int
324 isbinary(const uint8_t *buf, size_t n)
325 {
326 	size_t i;
327 
328 	for (i = 0; i < n; i++)
329 		if (buf[i] == 0)
330 			return 1;
331 	return 0;
332 }
333 
334 static const struct got_error *
335 gw_blame(struct gw_trans *gw_trans)
336 {
337 	const struct got_error *error = NULL;
338 	struct gw_header *header = NULL;
339 	char *age = NULL;
340 	enum kcgi_err kerr = KCGI_OK;
341 
342 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
343 	    NULL) == -1)
344 		return got_error_from_errno("pledge");
345 
346 	if ((header = gw_init_header()) == NULL)
347 		return got_error_from_errno("malloc");
348 
349 	error = gw_apply_unveil(gw_trans->gw_dir->path);
350 	if (error)
351 		goto done;
352 
353 	/* check querystring */
354 	if (gw_trans->repo_file == NULL) {
355 		error = got_error_msg(GOT_ERR_QUERYSTRING,
356 		    "file required in querystring");
357 		goto done;
358 	}
359 	if (gw_trans->commit_id == NULL) {
360 		error = got_error_msg(GOT_ERR_QUERYSTRING,
361 		    "commit required in querystring");
362 		goto done;
363 	}
364 
365 	error = gw_get_header(gw_trans, header, 1);
366 	if (error)
367 		goto done;
368 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
369 	    "blame_header_wrapper", KATTR__MAX);
370 	if (kerr != KCGI_OK)
371 		goto done;
372 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
373 	    "blame_header", KATTR__MAX);
374 	if (kerr != KCGI_OK)
375 		goto done;
376 	error = gw_get_time_str(&age, header->committer_time,
377 	    TM_LONG);
378 	if (error)
379 		goto done;
380 	error = gw_gen_age_header(gw_trans, age ?age : "");
381 	if (error)
382 		goto done;
383 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
384 	if (error)
385 		goto done;
386 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
387 	if (kerr != KCGI_OK)
388 		goto done;
389 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
390 	    "dotted_line", KATTR__MAX);
391 	if (kerr != KCGI_OK)
392 		goto done;
393 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
394 	if (kerr != KCGI_OK)
395 		goto done;
396 
397 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
398 	    "blame", KATTR__MAX);
399 	if (kerr != KCGI_OK)
400 		goto done;
401 	error = gw_output_file_blame(gw_trans);
402 	if (error)
403 		goto done;
404 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
405 done:
406 	gw_free_header(header);
407 	if (error == NULL && kerr != KCGI_OK)
408 		error = gw_kcgi_error(kerr);
409 	return error;
410 }
411 
412 static const struct got_error *
413 gw_blob(struct gw_trans *gw_trans)
414 {
415 	const struct got_error *error = NULL, *err = NULL;
416 	struct gw_header *header = NULL;
417 	enum kcgi_err kerr = KCGI_OK;
418 
419 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
420 	    NULL) == -1)
421 		return got_error_from_errno("pledge");
422 
423 	if ((header = gw_init_header()) == NULL)
424 		return got_error_from_errno("malloc");
425 
426 	error = gw_apply_unveil(gw_trans->gw_dir->path);
427 	if (error)
428 		goto done;
429 
430 	/* check querystring */
431 	if (gw_trans->repo_file == NULL) {
432 		error = got_error_msg(GOT_ERR_QUERYSTRING,
433 		    "file required in querystring");
434 		goto done;
435 	}
436 	if (gw_trans->commit_id == NULL) {
437 		error = got_error_msg(GOT_ERR_QUERYSTRING,
438 		    "commit required in querystring");
439 		goto done;
440 	}
441 	error = gw_get_header(gw_trans, header, 1);
442 	if (error)
443 		goto done;
444 
445 	error = gw_output_blob_buf(gw_trans);
446 done:
447 
448 	if (error) {
449 		gw_trans->mime = KMIME_TEXT_PLAIN;
450 		err = gw_display_index(gw_trans);
451 		if (err) {
452 			error = err;
453 			goto errored;
454 		}
455 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
456 	}
457 errored:
458 	gw_free_header(header);
459 	if (error == NULL && kerr != KCGI_OK)
460 		error = gw_kcgi_error(kerr);
461 	return error;
462 }
463 
464 static const struct got_error *
465 gw_diff(struct gw_trans *gw_trans)
466 {
467 	const struct got_error *error = NULL;
468 	struct gw_header *header = NULL;
469 	char *age = NULL;
470 	enum kcgi_err kerr = KCGI_OK;
471 
472 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
473 	    NULL) == -1)
474 		return got_error_from_errno("pledge");
475 
476 	if ((header = gw_init_header()) == NULL)
477 		return got_error_from_errno("malloc");
478 
479 	error = gw_apply_unveil(gw_trans->gw_dir->path);
480 	if (error)
481 		goto done;
482 
483 	error = gw_get_header(gw_trans, header, 1);
484 	if (error)
485 		goto done;
486 
487 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
488 	    "diff_header_wrapper", KATTR__MAX);
489 	if (kerr != KCGI_OK)
490 		goto done;
491 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
492 	    "diff_header", KATTR__MAX);
493 	if (kerr != KCGI_OK)
494 		goto done;
495 	error = gw_gen_diff_header(gw_trans, header->parent_id,
496 	    header->commit_id);
497 	if (error)
498 		goto done;
499 	error = gw_gen_commit_header(gw_trans, header->commit_id,
500 	    header->refs_str);
501 	if (error)
502 		goto done;
503 	error = gw_gen_tree_header(gw_trans, header->tree_id);
504 	if (error)
505 		goto done;
506 	error = gw_gen_author_header(gw_trans, header->author);
507 	if (error)
508 		goto done;
509 	error = gw_gen_committer_header(gw_trans, header->author);
510 	if (error)
511 		goto done;
512 	error = gw_get_time_str(&age, header->committer_time,
513 	    TM_LONG);
514 	if (error)
515 		goto done;
516 	error = gw_gen_age_header(gw_trans, age ?age : "");
517 	if (error)
518 		goto done;
519 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
520 	if (error)
521 		goto done;
522 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
523 	if (kerr != KCGI_OK)
524 		goto done;
525 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
526 	    "dotted_line", KATTR__MAX);
527 	if (kerr != KCGI_OK)
528 		goto done;
529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
530 	if (kerr != KCGI_OK)
531 		goto done;
532 
533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
534 	    "diff", KATTR__MAX);
535 	if (kerr != KCGI_OK)
536 		goto done;
537 	error = gw_output_diff(gw_trans, header);
538 	if (error)
539 		goto done;
540 
541 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
542 done:
543 	gw_free_header(header);
544 	free(age);
545 	if (error == NULL && kerr != KCGI_OK)
546 		error = gw_kcgi_error(kerr);
547 	return error;
548 }
549 
550 static const struct got_error *
551 gw_index(struct gw_trans *gw_trans)
552 {
553 	const struct got_error *error = NULL;
554 	struct gw_dir *gw_dir = NULL;
555 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
556 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
557 	char *href_tags = NULL;
558 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
559 	enum kcgi_err kerr = KCGI_OK;
560 
561 	if (pledge("stdio rpath proc exec sendfd unveil",
562 	    NULL) == -1) {
563 		error = got_error_from_errno("pledge");
564 		return error;
565 	}
566 
567 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
568 	if (error)
569 		return error;
570 
571 	error = gw_load_got_paths(gw_trans);
572 	if (error)
573 		return error;
574 
575 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
576 	    "index_header", KATTR__MAX);
577 	if (kerr != KCGI_OK)
578 		return gw_kcgi_error(kerr);
579 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
580 	    "index_header_project", KATTR__MAX);
581 	if (kerr != KCGI_OK)
582 		return gw_kcgi_error(kerr);
583 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
584 	if (kerr != KCGI_OK)
585 		return gw_kcgi_error(kerr);
586 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
587 	if (kerr != KCGI_OK)
588 		return gw_kcgi_error(kerr);
589 
590 	if (gw_trans->gw_conf->got_show_repo_description) {
591 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
592 		    "index_header_description", KATTR__MAX);
593 		if (kerr != KCGI_OK)
594 			return gw_kcgi_error(kerr);
595 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
596 		if (kerr != KCGI_OK)
597 			return gw_kcgi_error(kerr);
598 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
599 		if (kerr != KCGI_OK)
600 			return gw_kcgi_error(kerr);
601 	}
602 
603 	if (gw_trans->gw_conf->got_show_repo_owner) {
604 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
605 		    "index_header_owner", KATTR__MAX);
606 		if (kerr != KCGI_OK)
607 			return gw_kcgi_error(kerr);
608 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
609 		if (kerr != KCGI_OK)
610 			return gw_kcgi_error(kerr);
611 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
612 		if (kerr != KCGI_OK)
613 			return gw_kcgi_error(kerr);
614 	}
615 
616 	if (gw_trans->gw_conf->got_show_repo_age) {
617 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
618 		    "index_header_age", KATTR__MAX);
619 		if (kerr != KCGI_OK)
620 			return gw_kcgi_error(kerr);
621 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
622 		if (kerr != KCGI_OK)
623 			return gw_kcgi_error(kerr);
624 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
625 		if (kerr != KCGI_OK)
626 			return gw_kcgi_error(kerr);
627 	}
628 
629 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
630 	if (kerr != KCGI_OK)
631 		return gw_kcgi_error(kerr);
632 
633 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
634 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
635 		    "index_wrapper", KATTR__MAX);
636 		if (kerr != KCGI_OK)
637 			return gw_kcgi_error(kerr);
638 		kerr = khtml_printf(gw_trans->gw_html_req,
639 		    "No repositories found in %s",
640 		    gw_trans->gw_conf->got_repos_path);
641 		if (kerr != KCGI_OK)
642 			return gw_kcgi_error(kerr);
643 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
644 		if (kerr != KCGI_OK)
645 			return gw_kcgi_error(kerr);
646 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
647 		    "dotted_line", KATTR__MAX);
648 		if (kerr != KCGI_OK)
649 			return gw_kcgi_error(kerr);
650 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
651 		if (kerr != KCGI_OK)
652 			return gw_kcgi_error(kerr);
653 		return error;
654 	}
655 
656 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
657 		dir_c++;
658 
659 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
660 		if (gw_trans->page > 0 && (gw_trans->page *
661 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
662 			prev_disp++;
663 			continue;
664 		}
665 
666 		prev_disp++;
667 
668 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
669 		    "index_wrapper", KATTR__MAX);
670 		if (kerr != KCGI_OK)
671 			goto done;
672 
673 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
674 		    gw_dir->name, "action", "summary", NULL);
675 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
676 		    "index_project", KATTR__MAX);
677 		if (kerr != KCGI_OK)
678 			goto done;
679 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
680 		    href_summary, KATTR__MAX);
681 		if (kerr != KCGI_OK)
682 			goto done;
683 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
684 		if (kerr != KCGI_OK)
685 			goto done;
686 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
687 		if (kerr != KCGI_OK)
688 			goto done;
689 		if (gw_trans->gw_conf->got_show_repo_description) {
690 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
691 			    KATTR_ID, "index_project_description", KATTR__MAX);
692 			if (kerr != KCGI_OK)
693 				goto done;
694 			kerr = khtml_puts(gw_trans->gw_html_req,
695 			    gw_dir->description ? gw_dir->description : "");
696 			if (kerr != KCGI_OK)
697 				goto done;
698 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
699 			if (kerr != KCGI_OK)
700 				goto done;
701 		}
702 		if (gw_trans->gw_conf->got_show_repo_owner) {
703 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
704 			    KATTR_ID, "index_project_owner", KATTR__MAX);
705 			if (kerr != KCGI_OK)
706 				goto done;
707 			kerr = khtml_puts(gw_trans->gw_html_req,
708 			    gw_dir->owner ? gw_dir->owner : "");
709 			if (kerr != KCGI_OK)
710 				goto done;
711 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
712 			if (kerr != KCGI_OK)
713 				goto done;
714 		}
715 		if (gw_trans->gw_conf->got_show_repo_age) {
716 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
717 			    KATTR_ID, "index_project_age", KATTR__MAX);
718 			if (kerr != KCGI_OK)
719 				goto done;
720 			kerr = khtml_puts(gw_trans->gw_html_req,
721 			    gw_dir->age ? gw_dir->age : "");
722 			if (kerr != KCGI_OK)
723 				goto done;
724 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
725 			if (kerr != KCGI_OK)
726 				goto done;
727 		}
728 
729 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
730 		    "navs_wrapper", KATTR__MAX);
731 		if (kerr != KCGI_OK)
732 			goto done;
733 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
734 		    "navs", KATTR__MAX);
735 		if (kerr != KCGI_OK)
736 			goto done;
737 
738 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
739 		    href_summary, KATTR__MAX);
740 		if (kerr != KCGI_OK)
741 			goto done;
742 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
743 		if (kerr != KCGI_OK)
744 			goto done;
745 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
746 		if (kerr != KCGI_OK)
747 			goto done;
748 
749 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
750 		if (kerr != KCGI_OK)
751 			goto done;
752 
753 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
754 		    gw_dir->name, "action", "briefs", NULL);
755 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
756 		    href_briefs, KATTR__MAX);
757 		if (kerr != KCGI_OK)
758 			goto done;
759 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
760 		if (kerr != KCGI_OK)
761 			goto done;
762 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
763 		if (kerr != KCGI_OK)
764 			error = gw_kcgi_error(kerr);
765 
766 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
767 		if (kerr != KCGI_OK)
768 			goto done;
769 
770 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
771 		    gw_dir->name, "action", "commits", NULL);
772 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
773 		    href_commits, KATTR__MAX);
774 		if (kerr != KCGI_OK)
775 			goto done;
776 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
777 		if (kerr != KCGI_OK)
778 			goto done;
779 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
780 		if (kerr != KCGI_OK)
781 			goto done;
782 
783 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
784 		if (kerr != KCGI_OK)
785 			goto done;
786 
787 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
788 		    gw_dir->name, "action", "tags", NULL);
789 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
790 		    href_tags, KATTR__MAX);
791 		if (kerr != KCGI_OK)
792 			goto done;
793 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
794 		if (kerr != KCGI_OK)
795 			goto done;
796 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
797 		if (kerr != KCGI_OK)
798 			goto done;
799 
800 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
801 		if (kerr != KCGI_OK)
802 			goto done;
803 
804 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
805 		    gw_dir->name, "action", "tree", NULL);
806 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
807 		    href_tree, KATTR__MAX);
808 		if (kerr != KCGI_OK)
809 			goto done;
810 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
811 		if (kerr != KCGI_OK)
812 			goto done;
813 
814 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
815 		if (kerr != KCGI_OK)
816 			goto done;
817 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
818 		    "dotted_line", KATTR__MAX);
819 		if (kerr != KCGI_OK)
820 			goto done;
821 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
822 		if (kerr != KCGI_OK)
823 			goto done;
824 
825 		free(href_summary);
826 		href_summary = NULL;
827 		free(href_briefs);
828 		href_briefs = NULL;
829 		free(href_commits);
830 		href_commits = NULL;
831 		free(href_tags);
832 		href_tags = NULL;
833 		free(href_tree);
834 		href_tree = NULL;
835 
836 		if (gw_trans->gw_conf->got_max_repos_display == 0)
837 			continue;
838 
839 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
840 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
841 		    (gw_trans->page > 0) &&
842 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
843 		    prev_disp == gw_trans->repos_total))) {
844 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
845 			    KATTR_ID, "np_wrapper", KATTR__MAX);
846 			if (kerr != KCGI_OK)
847 				goto done;
848 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
849 			    KATTR_ID, "nav_prev", KATTR__MAX);
850 			if (kerr != KCGI_OK)
851 				goto done;
852 		}
853 
854 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
855 		    (gw_trans->page > 0) &&
856 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
857 		    prev_disp == gw_trans->repos_total)) {
858 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
859 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
860 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
861 			    KATTR_HREF, href_prev, KATTR__MAX);
862 			if (kerr != KCGI_OK)
863 				goto done;
864 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
865 			if (kerr != KCGI_OK)
866 				goto done;
867 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
868 			if (kerr != KCGI_OK)
869 				goto done;
870 		}
871 
872 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
873 		if (kerr != KCGI_OK)
874 			return gw_kcgi_error(kerr);
875 
876 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
877 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
878 		    dir_c != (gw_trans->page + 1) *
879 		    gw_trans->gw_conf->got_max_repos_display) {
880 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
881 			    KATTR_ID, "nav_next", KATTR__MAX);
882 			if (kerr != KCGI_OK)
883 				goto done;
884 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
885 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
886 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
887 			    KATTR_HREF, href_next, KATTR__MAX);
888 			if (kerr != KCGI_OK)
889 				goto done;
890 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
891 			if (kerr != KCGI_OK)
892 				goto done;
893 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
894 			if (kerr != KCGI_OK)
895 				goto done;
896 			next_disp = 0;
897 			break;
898 		}
899 
900 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
901 		    (gw_trans->page > 0) &&
902 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
903 		    prev_disp == gw_trans->repos_total)) {
904 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
905 			if (kerr != KCGI_OK)
906 				goto done;
907 		}
908 		next_disp++;
909 	}
910 done:
911 	free(href_prev);
912 	free(href_next);
913 	free(href_summary);
914 	free(href_briefs);
915 	free(href_commits);
916 	free(href_tags);
917 	free(href_tree);
918 	if (error == NULL && kerr != KCGI_OK)
919 		error = gw_kcgi_error(kerr);
920 	return error;
921 }
922 
923 static const struct got_error *
924 gw_commits(struct gw_trans *gw_trans)
925 {
926 	const struct got_error *error = NULL;
927 	struct gw_header *header = NULL, *n_header = NULL;
928 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
929 	char *href_prev = NULL, *href_next = NULL;
930 	enum kcgi_err kerr = KCGI_OK;
931 
932 	if ((header = gw_init_header()) == NULL)
933 		return got_error_from_errno("malloc");
934 
935 	if (pledge("stdio rpath proc exec sendfd unveil",
936 	    NULL) == -1) {
937 		error = got_error_from_errno("pledge");
938 		goto done;
939 	}
940 
941 	error = gw_apply_unveil(gw_trans->gw_dir->path);
942 	if (error)
943 		goto done;
944 
945 	error = gw_get_header(gw_trans, header,
946 	    gw_trans->gw_conf->got_max_commits_display);
947 	if (error)
948 		goto done;
949 
950 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
951 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
952 		    "commits_line_wrapper", KATTR__MAX);
953 		if (kerr != KCGI_OK)
954 			goto done;
955 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
956 		    n_header->refs_str);
957 		if (error)
958 			goto done;
959 		error = gw_gen_author_header(gw_trans, n_header->author);
960 		if (error)
961 			goto done;
962 		error = gw_gen_committer_header(gw_trans, n_header->author);
963 		if (error)
964 			goto done;
965 		error = gw_get_time_str(&age, n_header->committer_time,
966 		    TM_LONG);
967 		if (error)
968 			goto done;
969 		error = gw_gen_age_header(gw_trans, age ?age : "");
970 		if (error)
971 			goto done;
972 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
973 		if (kerr != KCGI_OK)
974 			goto done;
975 
976 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
977 		    "dotted_line", KATTR__MAX);
978 		if (kerr != KCGI_OK)
979 			goto done;
980 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
981 		if (kerr != KCGI_OK)
982 			goto done;
983 
984 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
985 		    "commit", KATTR__MAX);
986 		if (kerr != KCGI_OK)
987 			goto done;
988 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
989 		if (kerr != KCGI_OK)
990 			goto done;
991 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
992 		if (kerr != KCGI_OK)
993 			goto done;
994 
995 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
996 		    gw_trans->repo_name, "action", "diff", "commit",
997 		    n_header->commit_id, NULL);
998 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
999 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1000 		if (kerr != KCGI_OK)
1001 			goto done;
1002 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1003 		    KATTR_ID, "navs", KATTR__MAX);
1004 		if (kerr != KCGI_OK)
1005 			goto done;
1006 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1007 		    KATTR_HREF, href_diff, KATTR__MAX);
1008 		if (kerr != KCGI_OK)
1009 			goto done;
1010 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1011 		if (kerr != KCGI_OK)
1012 			goto done;
1013 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1014 		if (kerr != KCGI_OK)
1015 			goto done;
1016 
1017 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1018 		if (kerr != KCGI_OK)
1019 			goto done;
1020 
1021 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1022 		    gw_trans->repo_name, "action", "tree", "commit",
1023 		    n_header->commit_id, NULL),
1024 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1025 		    KATTR_HREF, href_tree, KATTR__MAX);
1026 		if (kerr != KCGI_OK)
1027 			goto done;
1028 		khtml_puts(gw_trans->gw_html_req, "tree");
1029 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1030 		if (kerr != KCGI_OK)
1031 			goto done;
1032 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1033 		if (kerr != KCGI_OK)
1034 			goto done;
1035 
1036 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1037 		    "solid_line", KATTR__MAX);
1038 		if (kerr != KCGI_OK)
1039 			goto done;
1040 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1041 		if (kerr != KCGI_OK)
1042 			goto done;
1043 
1044 		free(age);
1045 		age = NULL;
1046 	}
1047 
1048 	if (gw_trans->next_id || gw_trans->page > 0) {
1049 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1050 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1051 		if (kerr != KCGI_OK)
1052 			goto done;
1053 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1054 		    KATTR_ID, "nav_prev", KATTR__MAX);
1055 		if (kerr != KCGI_OK)
1056 			goto done;
1057 	}
1058 
1059 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1060 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1061 		    KATTRX_STRING, gw_trans->repo_name, "page",
1062 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1063 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1064 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1065 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1066 		    gw_trans->prev_prev_id : "", NULL);
1067 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1068 		    KATTR_HREF, href_prev, KATTR__MAX);
1069 		if (kerr != KCGI_OK)
1070 			goto done;
1071 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1072 		if (kerr != KCGI_OK)
1073 			goto done;
1074 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1075 		if (kerr != KCGI_OK)
1076 			goto done;
1077 	}
1078 
1079 	if (gw_trans->next_id || gw_trans->page > 0) {
1080 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1081 		if (kerr != KCGI_OK)
1082 			return gw_kcgi_error(kerr);
1083 	}
1084 
1085 	if (gw_trans->next_id) {
1086 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1087 		    KATTR_ID, "nav_next", KATTR__MAX);
1088 		if (kerr != KCGI_OK)
1089 			goto done;
1090 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1091 		    KATTRX_STRING, gw_trans->repo_name, "page",
1092 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1093 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1094 		    gw_trans->next_id, "prev", KATTRX_STRING,
1095 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1096 		    "prev_prev", KATTRX_STRING, gw_trans->prev_prev_id ?
1097 		    gw_trans->prev_prev_id : "", NULL),
1098 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1099 		    KATTR_HREF, href_next, KATTR__MAX);
1100 		if (kerr != KCGI_OK)
1101 			goto done;
1102 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1103 		if (kerr != KCGI_OK)
1104 			goto done;
1105 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1106 		if (kerr != KCGI_OK)
1107 			goto done;
1108 	}
1109 
1110 	if (gw_trans->next_id || gw_trans->page > 0) {
1111 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1112 		if (kerr != KCGI_OK)
1113 			goto done;
1114 	}
1115 done:
1116 	gw_free_header(header);
1117 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1118 		gw_free_header(n_header);
1119 	free(age);
1120 	free(href_next);
1121 	free(href_prev);
1122 	free(href_diff);
1123 	free(href_tree);
1124 	if (error == NULL && kerr != KCGI_OK)
1125 		error = gw_kcgi_error(kerr);
1126 	return error;
1127 }
1128 
1129 static const struct got_error *
1130 gw_briefs(struct gw_trans *gw_trans)
1131 {
1132 	const struct got_error *error = NULL;
1133 	struct gw_header *header = NULL, *n_header = NULL;
1134 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1135 	char *href_prev = NULL, *href_next = NULL;
1136 	char *newline, *smallerthan;
1137 	enum kcgi_err kerr = KCGI_OK;
1138 
1139 	if ((header = gw_init_header()) == NULL)
1140 		return got_error_from_errno("malloc");
1141 
1142 	if (pledge("stdio rpath proc exec sendfd unveil",
1143 	    NULL) == -1) {
1144 		error = got_error_from_errno("pledge");
1145 		goto done;
1146 	}
1147 
1148 	if (gw_trans->action != GW_SUMMARY) {
1149 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1150 		if (error)
1151 			goto done;
1152 	}
1153 
1154 	if (gw_trans->action == GW_SUMMARY)
1155 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1156 	else
1157 		error = gw_get_header(gw_trans, header,
1158 		    gw_trans->gw_conf->got_max_commits_display);
1159 	if (error)
1160 		goto done;
1161 
1162 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1163 		error = gw_get_time_str(&age, n_header->committer_time,
1164 		    TM_DIFF);
1165 		if (error)
1166 			goto done;
1167 
1168 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1169 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1170 		if (kerr != KCGI_OK)
1171 			goto done;
1172 
1173 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1174 		    KATTR_ID, "briefs_age", KATTR__MAX);
1175 		if (kerr != KCGI_OK)
1176 			goto done;
1177 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1178 		if (kerr != KCGI_OK)
1179 			goto done;
1180 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1181 		if (kerr != KCGI_OK)
1182 			goto done;
1183 
1184 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1185 		    KATTR_ID, "briefs_author", KATTR__MAX);
1186 		if (kerr != KCGI_OK)
1187 			goto done;
1188 		smallerthan = strchr(n_header->author, '<');
1189 		if (smallerthan)
1190 			*smallerthan = '\0';
1191 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1192 		if (kerr != KCGI_OK)
1193 			goto done;
1194 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1195 		if (kerr != KCGI_OK)
1196 			goto done;
1197 
1198 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1199 		    gw_trans->repo_name, "action", "diff", "commit",
1200 		    n_header->commit_id, NULL);
1201 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1202 		    KATTR_ID, "briefs_log", KATTR__MAX);
1203 		if (kerr != KCGI_OK)
1204 			goto done;
1205 		newline = strchr(n_header->commit_msg, '\n');
1206 		if (newline)
1207 			*newline = '\0';
1208 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1209 		    KATTR_HREF, href_diff, KATTR__MAX);
1210 		if (kerr != KCGI_OK)
1211 			goto done;
1212 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1213 		if (kerr != KCGI_OK)
1214 			goto done;
1215 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1216 		if (kerr != KCGI_OK)
1217 			goto done;
1218 
1219 		if (n_header->refs_str) {
1220 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1221 			if (kerr != KCGI_OK)
1222 				goto done;
1223 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1224 			    KATTR_ID, "refs_str", KATTR__MAX);
1225 			if (kerr != KCGI_OK)
1226 			goto done;
1227 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1228 			    n_header->refs_str);
1229 			if (kerr != KCGI_OK)
1230 				goto done;
1231 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1232 			if (kerr != KCGI_OK)
1233 				goto done;
1234 		}
1235 
1236 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1237 		if (kerr != KCGI_OK)
1238 			goto done;
1239 
1240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1241 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1242 		if (kerr != KCGI_OK)
1243 			goto done;
1244 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1245 		    KATTR_ID, "navs", KATTR__MAX);
1246 		if (kerr != KCGI_OK)
1247 			goto done;
1248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1249 		    KATTR_HREF, href_diff, KATTR__MAX);
1250 		if (kerr != KCGI_OK)
1251 			goto done;
1252 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1253 		if (kerr != KCGI_OK)
1254 			goto done;
1255 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1256 		if (kerr != KCGI_OK)
1257 			goto done;
1258 
1259 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1260 		if (kerr != KCGI_OK)
1261 			goto done;
1262 
1263 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1264 		    gw_trans->repo_name, "action", "tree", "commit",
1265 		    n_header->commit_id, NULL);
1266 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1267 		    KATTR_HREF, href_tree, KATTR__MAX);
1268 		if (kerr != KCGI_OK)
1269 			goto done;
1270 		khtml_puts(gw_trans->gw_html_req, "tree");
1271 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1272 		if (kerr != KCGI_OK)
1273 			goto done;
1274 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1275 		if (kerr != KCGI_OK)
1276 			goto done;
1277 
1278 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1279 		    KATTR_ID, "dotted_line", KATTR__MAX);
1280 		if (kerr != KCGI_OK)
1281 			goto done;
1282 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1283 		if (kerr != KCGI_OK)
1284 			goto done;
1285 
1286 		free(age);
1287 		age = NULL;
1288 		free(href_diff);
1289 		href_diff = NULL;
1290 		free(href_tree);
1291 		href_tree = NULL;
1292 	}
1293 
1294 	if (gw_trans->next_id || gw_trans->page > 0) {
1295 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1296 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1297 		if (kerr != KCGI_OK)
1298 			goto done;
1299 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1300 		    KATTR_ID, "nav_prev", KATTR__MAX);
1301 		if (kerr != KCGI_OK)
1302 			goto done;
1303 	}
1304 
1305 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1306 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1307 		    KATTRX_STRING, gw_trans->repo_name, "page",
1308 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1309 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1310 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1311 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1312 		    gw_trans->prev_prev_id : "", NULL);
1313 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1314 		    KATTR_HREF, href_prev, KATTR__MAX);
1315 		if (kerr != KCGI_OK)
1316 			goto done;
1317 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1318 		if (kerr != KCGI_OK)
1319 			goto done;
1320 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1321 		if (kerr != KCGI_OK)
1322 			goto done;
1323 	}
1324 
1325 	if (gw_trans->next_id || gw_trans->page > 0) {
1326 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1327 		if (kerr != KCGI_OK)
1328 			return gw_kcgi_error(kerr);
1329 	}
1330 
1331 	if (gw_trans->next_id) {
1332 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1333 		    KATTR_ID, "nav_next", KATTR__MAX);
1334 		if (kerr != KCGI_OK)
1335 			goto done;
1336 
1337 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1338 		    KATTRX_STRING, gw_trans->repo_name, "page",
1339 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1340 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1341 		    gw_trans->next_id, "prev", KATTRX_STRING,
1342 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1343 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1344 		    gw_trans->prev_id : "", NULL),
1345 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1346 		    KATTR_HREF, href_next, KATTR__MAX);
1347 		if (kerr != KCGI_OK)
1348 			goto done;
1349 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1350 		if (kerr != KCGI_OK)
1351 			goto done;
1352 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1353 		if (kerr != KCGI_OK)
1354 			goto done;
1355 	}
1356 
1357 	if (gw_trans->next_id || gw_trans->page > 0) {
1358 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1359 		if (kerr != KCGI_OK)
1360 			goto done;
1361 	}
1362 done:
1363 	gw_free_header(header);
1364 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1365 		gw_free_header(n_header);
1366 	free(age);
1367 	free(href_next);
1368 	free(href_prev);
1369 	free(href_diff);
1370 	free(href_tree);
1371 	if (error == NULL && kerr != KCGI_OK)
1372 		error = gw_kcgi_error(kerr);
1373 	return error;
1374 }
1375 
1376 static const struct got_error *
1377 gw_summary(struct gw_trans *gw_trans)
1378 {
1379 	const struct got_error *error = NULL;
1380 	char *age = NULL;
1381 	enum kcgi_err kerr = KCGI_OK;
1382 
1383 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1384 		return got_error_from_errno("pledge");
1385 
1386 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1387 	if (error)
1388 		goto done;
1389 
1390 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1391 	    "summary_wrapper", KATTR__MAX);
1392 	if (kerr != KCGI_OK)
1393 		return gw_kcgi_error(kerr);
1394 
1395 	if (gw_trans->gw_conf->got_show_repo_description &&
1396 	    gw_trans->gw_dir->description != NULL &&
1397 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1398 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1399 		    KATTR_ID, "description_title", KATTR__MAX);
1400 		if (kerr != KCGI_OK)
1401 			goto done;
1402 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1403 		if (kerr != KCGI_OK)
1404 			goto done;
1405 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1406 		if (kerr != KCGI_OK)
1407 			goto done;
1408 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1409 		    KATTR_ID, "description", KATTR__MAX);
1410 		if (kerr != KCGI_OK)
1411 			goto done;
1412 		kerr = khtml_puts(gw_trans->gw_html_req,
1413 		    gw_trans->gw_dir->description);
1414 		if (kerr != KCGI_OK)
1415 			goto done;
1416 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1417 		if (kerr != KCGI_OK)
1418 			goto done;
1419 	}
1420 
1421 	if (gw_trans->gw_conf->got_show_repo_owner &&
1422 	    gw_trans->gw_dir->owner != NULL &&
1423 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1424 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1425 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1426 		if (kerr != KCGI_OK)
1427 			goto done;
1428 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1429 		if (kerr != KCGI_OK)
1430 			goto done;
1431 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1432 		if (kerr != KCGI_OK)
1433 			goto done;
1434 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1435 		    KATTR_ID, "repo_owner", KATTR__MAX);
1436 		if (kerr != KCGI_OK)
1437 			goto done;
1438 		kerr = khtml_puts(gw_trans->gw_html_req,
1439 		     gw_trans->gw_dir->owner);
1440 		if (kerr != KCGI_OK)
1441 			goto done;
1442 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1443 		if (kerr != KCGI_OK)
1444 			goto done;
1445 	}
1446 
1447 	if (gw_trans->gw_conf->got_show_repo_age) {
1448 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1449 		    NULL, TM_LONG);
1450 		if (error)
1451 			goto done;
1452 		if (age != NULL) {
1453 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1454 			    KATTR_ID, "last_change_title", KATTR__MAX);
1455 			if (kerr != KCGI_OK)
1456 				goto done;
1457 			kerr = khtml_puts(gw_trans->gw_html_req,
1458 			    "Last Change: ");
1459 			if (kerr != KCGI_OK)
1460 				goto done;
1461 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1462 			if (kerr != KCGI_OK)
1463 				goto done;
1464 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1465 			    KATTR_ID, "last_change", KATTR__MAX);
1466 			if (kerr != KCGI_OK)
1467 				goto done;
1468 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1469 			if (kerr != KCGI_OK)
1470 				goto done;
1471 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1472 			if (kerr != KCGI_OK)
1473 				goto done;
1474 		}
1475 	}
1476 
1477 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1478 	    gw_trans->gw_dir->url != NULL &&
1479 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1480 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1481 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1482 		if (kerr != KCGI_OK)
1483 			goto done;
1484 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1485 		if (kerr != KCGI_OK)
1486 			goto done;
1487 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1488 		if (kerr != KCGI_OK)
1489 			goto done;
1490 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1491 		    KATTR_ID, "cloneurl", KATTR__MAX);
1492 		if (kerr != KCGI_OK)
1493 			goto done;
1494 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1495 		if (kerr != KCGI_OK)
1496 			goto done;
1497 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1498 		if (kerr != KCGI_OK)
1499 			goto done;
1500 	}
1501 
1502 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1503 	if (kerr != KCGI_OK)
1504 		goto done;
1505 
1506 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1507 	    "briefs_title_wrapper", KATTR__MAX);
1508 	if (kerr != KCGI_OK)
1509 		goto done;
1510 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1511 	    "briefs_title", KATTR__MAX);
1512 	if (kerr != KCGI_OK)
1513 		goto done;
1514 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1515 	if (kerr != KCGI_OK)
1516 		goto done;
1517 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1518 	if (kerr != KCGI_OK)
1519 		goto done;
1520 	error = gw_briefs(gw_trans);
1521 	if (error)
1522 		goto done;
1523 
1524 	error = gw_tags(gw_trans);
1525 	if (error)
1526 		goto done;
1527 
1528 	error = gw_output_repo_heads(gw_trans);
1529 done:
1530 	free(age);
1531 	if (error == NULL && kerr != KCGI_OK)
1532 		error = gw_kcgi_error(kerr);
1533 	return error;
1534 }
1535 
1536 static const struct got_error *
1537 gw_tree(struct gw_trans *gw_trans)
1538 {
1539 	const struct got_error *error = NULL;
1540 	struct gw_header *header = NULL;
1541 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1542 	char *age = NULL;
1543 	enum kcgi_err kerr = KCGI_OK;
1544 
1545 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1546 		return got_error_from_errno("pledge");
1547 
1548 	if ((header = gw_init_header()) == NULL)
1549 		return got_error_from_errno("malloc");
1550 
1551 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1552 	if (error)
1553 		goto done;
1554 
1555 	error = gw_get_header(gw_trans, header, 1);
1556 	if (error)
1557 		goto done;
1558 
1559 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1560 	    "tree_header_wrapper", KATTR__MAX);
1561 	if (kerr != KCGI_OK)
1562 		goto done;
1563 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1564 	    "tree_header", KATTR__MAX);
1565 	if (kerr != KCGI_OK)
1566 		goto done;
1567 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1568 	if (error)
1569 		goto done;
1570 	error = gw_get_time_str(&age, header->committer_time,
1571 	    TM_LONG);
1572 	if (error)
1573 		goto done;
1574 	error = gw_gen_age_header(gw_trans, age ?age : "");
1575 	if (error)
1576 		goto done;
1577 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1578 	if (error)
1579 		goto done;
1580 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1581 	if (kerr != KCGI_OK)
1582 		goto done;
1583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1584 	    "dotted_line", KATTR__MAX);
1585 	if (kerr != KCGI_OK)
1586 		goto done;
1587 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1588 	if (kerr != KCGI_OK)
1589 		goto done;
1590 
1591 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1592 	    "tree", KATTR__MAX);
1593 	if (kerr != KCGI_OK)
1594 		goto done;
1595 	error = gw_output_repo_tree(gw_trans);
1596 	if (error)
1597 		goto done;
1598 
1599 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1600 done:
1601 	gw_free_header(header);
1602 	free(tree_html_disp);
1603 	free(tree_html);
1604 	free(tree);
1605 	free(age);
1606 	if (error == NULL && kerr != KCGI_OK)
1607 		error = gw_kcgi_error(kerr);
1608 	return error;
1609 }
1610 
1611 static const struct got_error *
1612 gw_tags(struct gw_trans *gw_trans)
1613 {
1614 	const struct got_error *error = NULL;
1615 	struct gw_header *header = NULL;
1616 	char *href_next = NULL, *href_prev = NULL;
1617 	enum kcgi_err kerr = KCGI_OK;
1618 
1619 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1620 		return got_error_from_errno("pledge");
1621 
1622 	if ((header = gw_init_header()) == NULL)
1623 		return got_error_from_errno("malloc");
1624 
1625 	if (gw_trans->action != GW_SUMMARY) {
1626 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1627 		if (error)
1628 			goto done;
1629 	}
1630 
1631 	error = gw_get_header(gw_trans, header, 1);
1632 	if (error)
1633 		goto done;
1634 
1635 	if (gw_trans->action == GW_SUMMARY) {
1636 		gw_trans->next_id = NULL;
1637 		error = gw_output_repo_tags(gw_trans, header,
1638 		    D_MAXSLCOMMDISP, TAGBRIEF);
1639 		if (error)
1640 			goto done;
1641 	} else {
1642 		error = gw_output_repo_tags(gw_trans, header,
1643 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1644 		if (error)
1645 			goto done;
1646 	}
1647 
1648 	if (gw_trans->next_id || gw_trans->page > 0) {
1649 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1650 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1651 		if (kerr != KCGI_OK)
1652 			goto done;
1653 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1654 		    KATTR_ID, "nav_prev", KATTR__MAX);
1655 		if (kerr != KCGI_OK)
1656 			goto done;
1657 	}
1658 
1659 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1660 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1661 		    KATTRX_STRING, gw_trans->repo_name, "page",
1662 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1663 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1664 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1665 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1666 		    gw_trans->prev_prev_id : "", NULL);
1667 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1668 		    KATTR_HREF, href_prev, KATTR__MAX);
1669 		if (kerr != KCGI_OK)
1670 			goto done;
1671 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1672 		if (kerr != KCGI_OK)
1673 			goto done;
1674 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1675 		if (kerr != KCGI_OK)
1676 			goto done;
1677 	}
1678 
1679 	if (gw_trans->next_id || gw_trans->page > 0) {
1680 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1681 		if (kerr != KCGI_OK)
1682 			return gw_kcgi_error(kerr);
1683 	}
1684 
1685 	if (gw_trans->next_id) {
1686 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1687 		    KATTR_ID, "nav_next", KATTR__MAX);
1688 		if (kerr != KCGI_OK)
1689 			goto done;
1690 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1691 		    KATTRX_STRING, gw_trans->repo_name, "page",
1692 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1693 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1694 		    gw_trans->next_id, "prev", KATTRX_STRING,
1695 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1696 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1697 		    gw_trans->prev_id : "", NULL);
1698 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1699 		    KATTR_HREF, href_next, KATTR__MAX);
1700 		if (kerr != KCGI_OK)
1701 			goto done;
1702 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1703 		if (kerr != KCGI_OK)
1704 			goto done;
1705 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1706 		if (kerr != KCGI_OK)
1707 			goto done;
1708 	}
1709 
1710 	if (gw_trans->next_id || gw_trans->page > 0) {
1711 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1712 		if (kerr != KCGI_OK)
1713 			goto done;
1714 	}
1715 done:
1716 	gw_free_header(header);
1717 	free(href_next);
1718 	free(href_prev);
1719 	if (error == NULL && kerr != KCGI_OK)
1720 		error = gw_kcgi_error(kerr);
1721 	return error;
1722 }
1723 
1724 static const struct got_error *
1725 gw_tag(struct gw_trans *gw_trans)
1726 {
1727 	const struct got_error *error = NULL;
1728 	struct gw_header *header = NULL;
1729 	enum kcgi_err kerr = KCGI_OK;
1730 
1731 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1732 		return got_error_from_errno("pledge");
1733 
1734 	if ((header = gw_init_header()) == NULL)
1735 		return got_error_from_errno("malloc");
1736 
1737 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1738 	if (error)
1739 		goto done;
1740 
1741 	if (gw_trans->commit_id == NULL) {
1742 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1743 		    "commit required in querystring");
1744 		goto done;
1745 	}
1746 
1747 	error = gw_get_header(gw_trans, header, 1);
1748 	if (error)
1749 		goto done;
1750 
1751 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1752 	    "tag_header_wrapper", KATTR__MAX);
1753 	if (kerr != KCGI_OK)
1754 		goto done;
1755 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1756 	    "tag_header", KATTR__MAX);
1757 	if (kerr != KCGI_OK)
1758 		goto done;
1759 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1760 	    header->refs_str);
1761 	if (error)
1762 		goto done;
1763 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1764 	if (error)
1765 		goto done;
1766 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1767 	if (kerr != KCGI_OK)
1768 		goto done;
1769 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1770 	    "dotted_line", KATTR__MAX);
1771 	if (kerr != KCGI_OK)
1772 		goto done;
1773 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1774 	if (kerr != KCGI_OK)
1775 		goto done;
1776 
1777 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1778 	    "tree", KATTR__MAX);
1779 	if (kerr != KCGI_OK)
1780 		goto done;
1781 
1782 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1783 	if (error)
1784 		goto done;
1785 
1786 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1787 done:
1788 	gw_free_header(header);
1789 	if (error == NULL && kerr != KCGI_OK)
1790 		error = gw_kcgi_error(kerr);
1791 	return error;
1792 }
1793 
1794 static const struct got_error *
1795 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1796 {
1797 	const struct got_error *error = NULL;
1798 	DIR *dt;
1799 	char *dir_test;
1800 	int opened = 0;
1801 
1802 	if (asprintf(&dir_test, "%s/%s/%s",
1803 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1804 	    GOTWEB_GIT_DIR) == -1)
1805 		return got_error_from_errno("asprintf");
1806 
1807 	dt = opendir(dir_test);
1808 	if (dt == NULL) {
1809 		free(dir_test);
1810 	} else {
1811 		gw_dir->path = strdup(dir_test);
1812 		if (gw_dir->path == NULL) {
1813 			opened = 1;
1814 			error = got_error_from_errno("strdup");
1815 			goto errored;
1816 		}
1817 		opened = 1;
1818 		goto done;
1819 	}
1820 
1821 	if (asprintf(&dir_test, "%s/%s/%s",
1822 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1823 	    GOTWEB_GOT_DIR) == -1) {
1824 		dir_test = NULL;
1825 		error = got_error_from_errno("asprintf");
1826 		goto errored;
1827 	}
1828 
1829 	dt = opendir(dir_test);
1830 	if (dt == NULL)
1831 		free(dir_test);
1832 	else {
1833 		opened = 1;
1834 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1835 		goto errored;
1836 	}
1837 
1838 	if (asprintf(&dir_test, "%s/%s",
1839 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1840 		error = got_error_from_errno("asprintf");
1841 		dir_test = NULL;
1842 		goto errored;
1843 	}
1844 
1845 	gw_dir->path = strdup(dir_test);
1846 	if (gw_dir->path == NULL) {
1847 		opened = 1;
1848 		error = got_error_from_errno("strdup");
1849 		goto errored;
1850 	}
1851 
1852 	dt = opendir(dir_test);
1853 	if (dt == NULL) {
1854 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1855 		goto errored;
1856 	} else
1857 		opened = 1;
1858 done:
1859 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1860 	    gw_dir->path);
1861 	if (error)
1862 		goto errored;
1863 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1864 	if (error)
1865 		goto errored;
1866 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1867 	    NULL, TM_DIFF);
1868 	if (error)
1869 		goto errored;
1870 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1871 errored:
1872 	free(dir_test);
1873 	if (opened)
1874 		if (dt && closedir(dt) == -1 && error == NULL)
1875 			error = got_error_from_errno("closedir");
1876 	return error;
1877 }
1878 
1879 static const struct got_error *
1880 gw_load_got_paths(struct gw_trans *gw_trans)
1881 {
1882 	const struct got_error *error = NULL;
1883 	DIR *d;
1884 	struct dirent **sd_dent;
1885 	struct gw_dir *gw_dir;
1886 	struct stat st;
1887 	unsigned int d_cnt, d_i;
1888 
1889 	d = opendir(gw_trans->gw_conf->got_repos_path);
1890 	if (d == NULL) {
1891 		error = got_error_from_errno2("opendir",
1892 		    gw_trans->gw_conf->got_repos_path);
1893 		return error;
1894 	}
1895 
1896 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1897 	    alphasort);
1898 	if (d_cnt == -1) {
1899 		error = got_error_from_errno2("scandir",
1900 		    gw_trans->gw_conf->got_repos_path);
1901 		goto done;
1902 	}
1903 
1904 	for (d_i = 0; d_i < d_cnt; d_i++) {
1905 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1906 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1907 			break; /* account for parent and self */
1908 
1909 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1910 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1911 			continue;
1912 
1913 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1914 		if (error)
1915 			goto done;
1916 
1917 		error = gw_load_got_path(gw_trans, gw_dir);
1918 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1919 			error = NULL;
1920 			continue;
1921 		}
1922 		else if (error)
1923 			goto done;
1924 
1925 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
1926 		    !got_path_dir_is_empty(gw_dir->path)) {
1927 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
1928 			    entry);
1929 			gw_trans->repos_total++;
1930 		}
1931 	}
1932 done:
1933 	if (d && closedir(d) == -1 && error == NULL)
1934 		error = got_error_from_errno("closedir");
1935 	return error;
1936 }
1937 
1938 static const struct got_error *
1939 gw_parse_querystring(struct gw_trans *gw_trans)
1940 {
1941 	const struct got_error *error = NULL;
1942 	struct kpair *p;
1943 	struct gw_query_action *action = NULL;
1944 	unsigned int i;
1945 
1946 	if (gw_trans->gw_req->fieldnmap[0]) {
1947 		return got_error(GOT_ERR_QUERYSTRING);
1948 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
1949 		/* define gw_trans->repo_path */
1950 		gw_trans->repo_name = p->parsed.s;
1951 
1952 		if (asprintf(&gw_trans->repo_path, "%s/%s",
1953 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
1954 			return got_error_from_errno("asprintf");
1955 
1956 		/* get action and set function */
1957 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
1958 			for (i = 0; i < nitems(gw_query_funcs); i++) {
1959 				action = &gw_query_funcs[i];
1960 				if (action->func_name == NULL)
1961 					continue;
1962 				if (strcmp(action->func_name,
1963 				    p->parsed.s) == 0) {
1964 					gw_trans->action = i;
1965 					break;
1966 				}
1967 			}
1968 		}
1969 		if (gw_trans->action == -1) {
1970 			gw_trans->action = GW_ERR;
1971 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
1972 			    p != NULL ? "bad action in querystring" :
1973 			    "no action in querystring");
1974 			return error;
1975 		}
1976 
1977  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
1978 			if (asprintf(&gw_trans->commit_id, "%s",
1979 			    p->parsed.s) == -1)
1980 				return got_error_from_errno("asprintf");
1981 		}
1982 
1983 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
1984 			gw_trans->repo_file = p->parsed.s;
1985 
1986 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
1987 			if (asprintf(&gw_trans->repo_folder, "%s",
1988 			    p->parsed.s) == -1)
1989 				return got_error_from_errno("asprintf");
1990 		}
1991 
1992 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
1993 			if (asprintf(&gw_trans->prev_id, "%s",
1994 			    p->parsed.s) == -1)
1995 				return got_error_from_errno("asprintf");
1996 		}
1997 
1998 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_PREV_ID])) {
1999 			if (asprintf(&gw_trans->prev_prev_id, "%s",
2000 			    p->parsed.s) == -1)
2001 				return got_error_from_errno("asprintf");
2002 		}
2003 
2004 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2005 			gw_trans->headref = p->parsed.s;
2006 
2007 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2008 		if (error)
2009 			return error;
2010 
2011 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2012 	} else
2013 		gw_trans->action = GW_INDEX;
2014 
2015 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2016 		gw_trans->page = p->parsed.i;
2017 
2018 	return error;
2019 }
2020 
2021 static const struct got_error *
2022 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2023 {
2024 	const struct got_error *error;
2025 
2026 	*gw_dir = malloc(sizeof(**gw_dir));
2027 	if (*gw_dir == NULL)
2028 		return got_error_from_errno("malloc");
2029 
2030 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2031 		error = got_error_from_errno("asprintf");
2032 		free(*gw_dir);
2033 		*gw_dir = NULL;
2034 		return NULL;
2035 	}
2036 
2037 	return NULL;
2038 }
2039 
2040 static const struct got_error *
2041 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2042 {
2043 	enum kcgi_err kerr = KCGI_OK;
2044 
2045 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2046 	if (kerr != KCGI_OK)
2047 		return gw_kcgi_error(kerr);
2048 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2049 	    khttps[code]);
2050 	if (kerr != KCGI_OK)
2051 		return gw_kcgi_error(kerr);
2052 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2053 	    kmimetypes[mime]);
2054 	if (kerr != KCGI_OK)
2055 		return gw_kcgi_error(kerr);
2056 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2057 	    "nosniff");
2058 	if (kerr != KCGI_OK)
2059 		return gw_kcgi_error(kerr);
2060 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2061 	if (kerr != KCGI_OK)
2062 		return gw_kcgi_error(kerr);
2063 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2064 	    "1; mode=block");
2065 	if (kerr != KCGI_OK)
2066 		return gw_kcgi_error(kerr);
2067 
2068 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2069 		kerr = khttp_head(gw_trans->gw_req,
2070 		    kresps[KRESP_CONTENT_DISPOSITION],
2071 		    "attachment; filename=%s", gw_trans->repo_file);
2072 		if (kerr != KCGI_OK)
2073 			return gw_kcgi_error(kerr);
2074 	}
2075 
2076 	kerr = khttp_body(gw_trans->gw_req);
2077 	return gw_kcgi_error(kerr);
2078 }
2079 
2080 static const struct got_error *
2081 gw_display_index(struct gw_trans *gw_trans)
2082 {
2083 	const struct got_error *error;
2084 	enum kcgi_err kerr = KCGI_OK;
2085 
2086 	/* catch early querystring errors */
2087 	if (gw_trans->error)
2088 		gw_trans->action = GW_ERR;
2089 
2090 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2091 	if (error)
2092 		return error;
2093 
2094 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2095 	if (kerr != KCGI_OK)
2096 		return gw_kcgi_error(kerr);
2097 
2098 	if (gw_trans->action != GW_BLOB) {
2099 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2100 		    gw_query_funcs[gw_trans->action].template);
2101 		if (kerr != KCGI_OK) {
2102 			khtml_close(gw_trans->gw_html_req);
2103 			return gw_kcgi_error(kerr);
2104 		}
2105 	}
2106 
2107 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2108 }
2109 
2110 static const struct got_error *
2111 gw_error(struct gw_trans *gw_trans)
2112 {
2113 	enum kcgi_err kerr = KCGI_OK;
2114 
2115 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2116 
2117 	return gw_kcgi_error(kerr);
2118 }
2119 
2120 static int
2121 gw_template(size_t key, void *arg)
2122 {
2123 	const struct got_error *error = NULL;
2124 	enum kcgi_err kerr = KCGI_OK;
2125 	struct gw_trans *gw_trans = arg;
2126 	char *img_src = NULL;
2127 
2128 	switch (key) {
2129 	case (TEMPL_HEAD):
2130 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2131 		    KATTR_NAME, "viewport",
2132 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2133 		    KATTR__MAX);
2134 		if (kerr != KCGI_OK)
2135 			return 0;
2136 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2137 		if (kerr != KCGI_OK)
2138 			return 0;
2139 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2140 		    KATTR_CHARSET, "utf-8",
2141 		    KATTR__MAX);
2142 		if (kerr != KCGI_OK)
2143 			return 0;
2144 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2145 		if (kerr != KCGI_OK)
2146 			return 0;
2147 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2148 		    KATTR_NAME, "msapplication-TileColor",
2149 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2150 		if (kerr != KCGI_OK)
2151 			return 0;
2152 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2153 		if (kerr != KCGI_OK)
2154 			return 0;
2155 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2156 		    KATTR_NAME, "theme-color",
2157 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2158 		if (kerr != KCGI_OK)
2159 			return 0;
2160 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2161 		if (kerr != KCGI_OK)
2162 			return 0;
2163 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2164 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2165 		    KATTR_HREF, "/apple-touch-icon.png", KATTR__MAX);
2166 		if (kerr != KCGI_OK)
2167 			return 0;
2168 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2169 		if (kerr != KCGI_OK)
2170 			return 0;
2171 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2172 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2173 		    "32x32", KATTR_HREF, "/favicon-32x32.png", KATTR__MAX);
2174 		if (kerr != KCGI_OK)
2175 			return 0;
2176 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2177 		if (kerr != KCGI_OK)
2178 			return 0;
2179 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2180 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2181 		    "16x16", KATTR_HREF, "/favicon-16x16.png", KATTR__MAX);
2182 		if (kerr != KCGI_OK)
2183 			return 0;
2184 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2185 		if (kerr != KCGI_OK)
2186 			return 0;
2187 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2188 		    KATTR_REL, "manifest", KATTR_HREF, "/site.webmanifest",
2189 		    KATTR__MAX);
2190 		if (kerr != KCGI_OK)
2191 			return 0;
2192 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2193 		if (kerr != KCGI_OK)
2194 			return 0;
2195 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2196 		    KATTR_REL, "mask-icon", KATTR_HREF,
2197 		    "/safari-pinned-tab.svg", KATTR__MAX);
2198 		if (kerr != KCGI_OK)
2199 			return 0;
2200 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2201 		if (kerr != KCGI_OK)
2202 			return 0;
2203 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2204 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2205 		    KATTR_HREF, "/gotweb.css", KATTR__MAX);
2206 		if (kerr != KCGI_OK)
2207 			return 0;
2208 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2209 		if (kerr != KCGI_OK)
2210 			return 0;
2211 		break;
2212 	case(TEMPL_HEADER):
2213 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2214 		    KATTR_ID, "got_link", KATTR__MAX);
2215 		if (kerr != KCGI_OK)
2216 			return 0;
2217 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2218 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2219 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2220 		if (kerr != KCGI_OK)
2221 			return 0;
2222 		if (asprintf(&img_src, "/%s",
2223 		    gw_trans->gw_conf->got_logo) == -1)
2224 			return 0;
2225 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2226 		    KATTR_SRC, img_src, KATTR__MAX);
2227 		if (kerr != KCGI_OK) {
2228 			free(img_src);
2229 			return 0;
2230 		}
2231 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2232 		if (kerr != KCGI_OK) {
2233 			free(img_src);
2234 			return 0;
2235 		}
2236 		break;
2237 	case (TEMPL_SITEPATH):
2238 		error = gw_output_site_link(gw_trans);
2239 		if (error)
2240 			return 0;
2241 		break;
2242 	case(TEMPL_TITLE):
2243 		if (gw_trans->gw_conf->got_site_name != NULL) {
2244 			kerr = khtml_puts(gw_trans->gw_html_req,
2245 			    gw_trans->gw_conf->got_site_name);
2246 			if (kerr != KCGI_OK)
2247 				return 0;
2248 		}
2249 		break;
2250 	case (TEMPL_SEARCH):
2251 		break;
2252 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2253 		    "search", KATTR__MAX);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2257 			    KATTR_METHOD, "POST", KATTR__MAX);
2258 		if (kerr != KCGI_OK)
2259 			return 0;
2260 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2261 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2262 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2263 		if (kerr != KCGI_OK)
2264 			return 0;
2265 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2266 		    KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2273 		if (kerr != KCGI_OK)
2274 			return 0;
2275 		break;
2276 	case(TEMPL_SITEOWNER):
2277 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2278 		    gw_trans->gw_conf->got_show_site_owner) {
2279 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2280 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2281 			if (kerr != KCGI_OK)
2282 				return 0;
2283 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2284 			    KATTR_ID, "site_owner", KATTR__MAX);
2285 			if (kerr != KCGI_OK)
2286 				return 0;
2287 			kerr = khtml_puts(gw_trans->gw_html_req,
2288 			    gw_trans->gw_conf->got_site_owner);
2289 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2290 			if (kerr != KCGI_OK)
2291 				return 0;
2292 		}
2293 		break;
2294 	case(TEMPL_CONTENT):
2295 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2296 		if (error) {
2297 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2298 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2299 			if (kerr != KCGI_OK)
2300 				return 0;
2301 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2302 			    error->msg);
2303 			if (kerr != KCGI_OK)
2304 				return 0;
2305 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2306 			if (kerr != KCGI_OK)
2307 				return 0;
2308 		}
2309 		break;
2310 	default:
2311 		return 0;
2312 	}
2313 	return 1;
2314 }
2315 
2316 static const struct got_error *
2317 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2318 {
2319 	const struct got_error *error = NULL;
2320 	enum kcgi_err kerr = KCGI_OK;
2321 
2322 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2323 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2324 	if (kerr != KCGI_OK)
2325 		goto done;
2326 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2327 	if (kerr != KCGI_OK)
2328 		goto done;
2329 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2330 	if (kerr != KCGI_OK)
2331 		goto done;
2332 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2333 	    KATTR_ID, "header_commit", KATTR__MAX);
2334 	if (kerr != KCGI_OK)
2335 		goto done;
2336 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2337 	if (kerr != KCGI_OK)
2338 		goto done;
2339 	if (str2 != NULL) {
2340 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2341 		    KATTR_ID, "refs_str", KATTR__MAX);
2342 		if (kerr != KCGI_OK)
2343 			goto done;
2344 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2345 		if (kerr != KCGI_OK)
2346 			goto done;
2347 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2348 		if (kerr != KCGI_OK)
2349 			goto done;
2350 	}
2351 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2352 done:
2353 	if (error == NULL && kerr != KCGI_OK)
2354 		error = gw_kcgi_error(kerr);
2355 	return error;
2356 }
2357 
2358 static const struct got_error *
2359 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2360 {
2361 	const struct got_error *error = NULL;
2362 	enum kcgi_err kerr = KCGI_OK;
2363 
2364 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2365 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2366 	if (kerr != KCGI_OK)
2367 		goto done;
2368 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2369 	if (kerr != KCGI_OK)
2370 		goto done;
2371 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2372 	if (kerr != KCGI_OK)
2373 		goto done;
2374 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2375 	    KATTR_ID, "header_diff", KATTR__MAX);
2376 	if (kerr != KCGI_OK)
2377 		goto done;
2378 	if (str1 != NULL) {
2379 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2380 		if (kerr != KCGI_OK)
2381 			goto done;
2382 	}
2383 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2384 	if (kerr != KCGI_OK)
2385 		goto done;
2386 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2387 	if (kerr != KCGI_OK)
2388 		goto done;
2389 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2390 done:
2391 	if (error == NULL && kerr != KCGI_OK)
2392 		error = gw_kcgi_error(kerr);
2393 	return error;
2394 }
2395 
2396 static const struct got_error *
2397 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2398 {
2399 	const struct got_error *error = NULL;
2400 	enum kcgi_err kerr = KCGI_OK;
2401 
2402 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2403 	    KATTR_ID, "header_age_title", KATTR__MAX);
2404 	if (kerr != KCGI_OK)
2405 		goto done;
2406 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2407 	if (kerr != KCGI_OK)
2408 		goto done;
2409 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2410 	if (kerr != KCGI_OK)
2411 		goto done;
2412 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2413 	    KATTR_ID, "header_age", KATTR__MAX);
2414 	if (kerr != KCGI_OK)
2415 		goto done;
2416 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2417 	if (kerr != KCGI_OK)
2418 		goto done;
2419 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2420 done:
2421 	if (error == NULL && kerr != KCGI_OK)
2422 		error = gw_kcgi_error(kerr);
2423 	return error;
2424 }
2425 
2426 static const struct got_error *
2427 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2428 {
2429 	const struct got_error *error = NULL;
2430 	enum kcgi_err kerr = KCGI_OK;
2431 
2432 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2433 	    KATTR_ID, "header_author_title", KATTR__MAX);
2434 	if (kerr != KCGI_OK)
2435 		goto done;
2436 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2440 	if (kerr != KCGI_OK)
2441 		goto done;
2442 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2443 	    KATTR_ID, "header_author", KATTR__MAX);
2444 	if (kerr != KCGI_OK)
2445 		goto done;
2446 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2450 done:
2451 	if (error == NULL && kerr != KCGI_OK)
2452 		error = gw_kcgi_error(kerr);
2453 	return error;
2454 }
2455 
2456 static const struct got_error *
2457 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2458 {
2459 	const struct got_error *error = NULL;
2460 	enum kcgi_err kerr = KCGI_OK;
2461 
2462 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2463 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2464 	if (kerr != KCGI_OK)
2465 		goto done;
2466 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2467 	if (kerr != KCGI_OK)
2468 		goto done;
2469 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2470 	if (kerr != KCGI_OK)
2471 		goto done;
2472 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2473 	    KATTR_ID, "header_committer", KATTR__MAX);
2474 	if (kerr != KCGI_OK)
2475 		goto done;
2476 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2477 	if (kerr != KCGI_OK)
2478 		goto done;
2479 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2480 done:
2481 	if (error == NULL && kerr != KCGI_OK)
2482 		error = gw_kcgi_error(kerr);
2483 	return error;
2484 }
2485 
2486 static const struct got_error *
2487 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2488 {
2489 	const struct got_error *error = NULL;
2490 	enum kcgi_err kerr = KCGI_OK;
2491 
2492 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2493 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2494 	if (kerr != KCGI_OK)
2495 		goto done;
2496 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2500 	if (kerr != KCGI_OK)
2501 		goto done;
2502 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2503 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2504 	if (kerr != KCGI_OK)
2505 		goto done;
2506 	kerr = khttp_puts(gw_trans->gw_req, str);
2507 	if (kerr != KCGI_OK)
2508 		goto done;
2509 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2510 done:
2511 	if (error == NULL && kerr != KCGI_OK)
2512 		error = gw_kcgi_error(kerr);
2513 	return error;
2514 }
2515 
2516 static const struct got_error *
2517 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2518 {
2519 	const struct got_error *error = NULL;
2520 	enum kcgi_err kerr = KCGI_OK;
2521 
2522 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2523 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2524 	if (kerr != KCGI_OK)
2525 		goto done;
2526 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2530 	if (kerr != KCGI_OK)
2531 		goto done;
2532 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2533 	    KATTR_ID, "header_tree", KATTR__MAX);
2534 	if (kerr != KCGI_OK)
2535 		goto done;
2536 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2537 	if (kerr != KCGI_OK)
2538 		goto done;
2539 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2540 done:
2541 	if (error == NULL && kerr != KCGI_OK)
2542 		error = gw_kcgi_error(kerr);
2543 	return error;
2544 }
2545 
2546 static const struct got_error *
2547 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2548     char *dir)
2549 {
2550 	const struct got_error *error = NULL;
2551 	FILE *f = NULL;
2552 	char *d_file = NULL;
2553 	unsigned int len;
2554 	size_t n;
2555 
2556 	*description = NULL;
2557 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2558 		return NULL;
2559 
2560 	if (asprintf(&d_file, "%s/description", dir) == -1)
2561 		return got_error_from_errno("asprintf");
2562 
2563 	f = fopen(d_file, "r");
2564 	if (f == NULL) {
2565 		if (errno == ENOENT || errno == EACCES)
2566 			return NULL;
2567 		error = got_error_from_errno2("fopen", d_file);
2568 		goto done;
2569 	}
2570 
2571 	if (fseek(f, 0, SEEK_END) == -1) {
2572 		error = got_ferror(f, GOT_ERR_IO);
2573 		goto done;
2574 	}
2575 	len = ftell(f);
2576 	if (len == -1) {
2577 		error = got_ferror(f, GOT_ERR_IO);
2578 		goto done;
2579 	}
2580 	if (fseek(f, 0, SEEK_SET) == -1) {
2581 		error = got_ferror(f, GOT_ERR_IO);
2582 		goto done;
2583 	}
2584 	*description = calloc(len + 1, sizeof(**description));
2585 	if (*description == NULL) {
2586 		error = got_error_from_errno("calloc");
2587 		goto done;
2588 	}
2589 
2590 	n = fread(*description, 1, len, f);
2591 	if (n == 0 && ferror(f))
2592 		error = got_ferror(f, GOT_ERR_IO);
2593 done:
2594 	if (f != NULL && fclose(f) == -1 && error == NULL)
2595 		error = got_error_from_errno("fclose");
2596 	free(d_file);
2597 	return error;
2598 }
2599 
2600 static const struct got_error *
2601 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2602 {
2603 	struct tm tm;
2604 	time_t diff_time;
2605 	char *years = "years ago", *months = "months ago";
2606 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2607 	char *minutes = "minutes ago", *seconds = "seconds ago";
2608 	char *now = "right now";
2609 	char *s;
2610 	char datebuf[29];
2611 
2612 	*repo_age = NULL;
2613 
2614 	switch (ref_tm) {
2615 	case TM_DIFF:
2616 		diff_time = time(NULL) - committer_time;
2617 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2618 			if (asprintf(repo_age, "%lld %s",
2619 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2620 				return got_error_from_errno("asprintf");
2621 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2622 			if (asprintf(repo_age, "%lld %s",
2623 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2624 			    months) == -1)
2625 				return got_error_from_errno("asprintf");
2626 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2627 			if (asprintf(repo_age, "%lld %s",
2628 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2629 				return got_error_from_errno("asprintf");
2630 		} else if (diff_time > 60 * 60 * 24 * 2) {
2631 			if (asprintf(repo_age, "%lld %s",
2632 			    (diff_time / 60 / 60 / 24), days) == -1)
2633 				return got_error_from_errno("asprintf");
2634 		} else if (diff_time > 60 * 60 * 2) {
2635 			if (asprintf(repo_age, "%lld %s",
2636 			    (diff_time / 60 / 60), hours) == -1)
2637 				return got_error_from_errno("asprintf");
2638 		} else if (diff_time > 60 * 2) {
2639 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2640 			    minutes) == -1)
2641 				return got_error_from_errno("asprintf");
2642 		} else if (diff_time > 2) {
2643 			if (asprintf(repo_age, "%lld %s", diff_time,
2644 			    seconds) == -1)
2645 				return got_error_from_errno("asprintf");
2646 		} else {
2647 			if (asprintf(repo_age, "%s", now) == -1)
2648 				return got_error_from_errno("asprintf");
2649 		}
2650 		break;
2651 	case TM_LONG:
2652 		if (gmtime_r(&committer_time, &tm) == NULL)
2653 			return got_error_from_errno("gmtime_r");
2654 
2655 		s = asctime_r(&tm, datebuf);
2656 		if (s == NULL)
2657 			return got_error_from_errno("asctime_r");
2658 
2659 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2660 			return got_error_from_errno("asprintf");
2661 		break;
2662 	}
2663 	return NULL;
2664 }
2665 
2666 static const struct got_error *
2667 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2668     const char *refname, int ref_tm)
2669 {
2670 	const struct got_error *error = NULL;
2671 	struct got_repository *repo = NULL;
2672 	struct got_commit_object *commit = NULL;
2673 	struct got_reflist_head refs;
2674 	struct got_reflist_entry *re;
2675 	time_t committer_time = 0, cmp_time = 0;
2676 
2677 	*repo_age = NULL;
2678 	SIMPLEQ_INIT(&refs);
2679 
2680 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2681 		return NULL;
2682 
2683 	if (gw_trans->repo)
2684 		repo = gw_trans->repo;
2685 	else {
2686 		error = got_repo_open(&repo, dir, NULL);
2687 		if (error)
2688 			return error;
2689 	}
2690 
2691 	error = got_ref_list(&refs, repo, "refs/heads",
2692 	    got_ref_cmp_by_name, NULL);
2693 	if (error)
2694 		goto done;
2695 
2696 	/*
2697 	 * Find the youngest branch tip in the repository, or the age of
2698 	 * the a specific branch tip if a name was provided by the caller.
2699 	 */
2700 	SIMPLEQ_FOREACH(re, &refs, entry) {
2701 		struct got_object_id *id = NULL;
2702 
2703 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2704 			continue;
2705 
2706 		error = got_ref_resolve(&id, repo, re->ref);
2707 		if (error)
2708 			goto done;
2709 
2710 		error = got_object_open_as_commit(&commit, repo, id);
2711 		free(id);
2712 		if (error)
2713 			goto done;
2714 
2715 		committer_time =
2716 		    got_object_commit_get_committer_time(commit);
2717 		got_object_commit_close(commit);
2718 		if (cmp_time < committer_time)
2719 			cmp_time = committer_time;
2720 
2721 		if (refname)
2722 			break;
2723 	}
2724 
2725 	if (cmp_time != 0) {
2726 		committer_time = cmp_time;
2727 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2728 	}
2729 done:
2730 	got_ref_list_free(&refs);
2731 	if (gw_trans->repo == NULL)
2732 		got_repo_close(repo);
2733 	return error;
2734 }
2735 
2736 static const struct got_error *
2737 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2738 {
2739 	const struct got_error *error;
2740 	FILE *f = NULL;
2741 	struct got_object_id *id1 = NULL, *id2 = NULL;
2742 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2743 	int obj_type;
2744 	size_t linesize = 0;
2745 	ssize_t linelen;
2746 	enum kcgi_err kerr = KCGI_OK;
2747 
2748 	f = got_opentemp();
2749 	if (f == NULL)
2750 		return NULL;
2751 
2752 	if (header->parent_id != NULL &&
2753 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2754 		error = got_repo_match_object_id(&id1, &label1,
2755 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2756 		if (error)
2757 			goto done;
2758 	}
2759 
2760 	error = got_repo_match_object_id(&id2, &label2,
2761 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2762 	if (error)
2763 		goto done;
2764 
2765 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2766 	if (error)
2767 		goto done;
2768 	switch (obj_type) {
2769 	case GOT_OBJ_TYPE_BLOB:
2770 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2771 		    gw_trans->repo, f);
2772 		break;
2773 	case GOT_OBJ_TYPE_TREE:
2774 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2775 		    gw_trans->repo, f);
2776 		break;
2777 	case GOT_OBJ_TYPE_COMMIT:
2778 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2779 		    gw_trans->repo, f);
2780 		break;
2781 	default:
2782 		error = got_error(GOT_ERR_OBJ_TYPE);
2783 	}
2784 	if (error)
2785 		goto done;
2786 
2787 	if (fseek(f, 0, SEEK_SET) == -1) {
2788 		error = got_ferror(f, GOT_ERR_IO);
2789 		goto done;
2790 	}
2791 
2792 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2793 		error = gw_colordiff_line(gw_trans, line);
2794 		if (error)
2795 			goto done;
2796 		/* XXX: KHTML_PRETTY breaks this */
2797 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2798 		if (kerr != KCGI_OK)
2799 			goto done;
2800 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2801 		if (kerr != KCGI_OK)
2802 			goto done;
2803 	}
2804 	if (linelen == -1 && ferror(f))
2805 		error = got_error_from_errno("getline");
2806 done:
2807 	if (f && fclose(f) == -1 && error == NULL)
2808 		error = got_error_from_errno("fclose");
2809 	free(line);
2810 	free(label1);
2811 	free(label2);
2812 	free(id1);
2813 	free(id2);
2814 
2815 	if (error == NULL && kerr != KCGI_OK)
2816 		error = gw_kcgi_error(kerr);
2817 	return error;
2818 }
2819 
2820 static const struct got_error *
2821 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2822 {
2823 	const struct got_error *error = NULL;
2824 	struct got_repository *repo;
2825 	const char *gitconfig_owner;
2826 
2827 	*owner = NULL;
2828 
2829 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2830 		return NULL;
2831 
2832 	error = got_repo_open(&repo, dir, NULL);
2833 	if (error)
2834 		return error;
2835 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2836 	if (gitconfig_owner) {
2837 		*owner = strdup(gitconfig_owner);
2838 		if (*owner == NULL)
2839 			error = got_error_from_errno("strdup");
2840 	}
2841 	got_repo_close(repo);
2842 	return error;
2843 }
2844 
2845 static const struct got_error *
2846 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2847 {
2848 	const struct got_error *error = NULL;
2849 	FILE *f;
2850 	char *d_file = NULL;
2851 	unsigned int len;
2852 	size_t n;
2853 
2854 	*url = NULL;
2855 
2856 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2857 		return got_error_from_errno("asprintf");
2858 
2859 	f = fopen(d_file, "r");
2860 	if (f == NULL) {
2861 		if (errno != ENOENT && errno != EACCES)
2862 			error = got_error_from_errno2("fopen", d_file);
2863 		goto done;
2864 	}
2865 
2866 	if (fseek(f, 0, SEEK_END) == -1) {
2867 		error = got_ferror(f, GOT_ERR_IO);
2868 		goto done;
2869 	}
2870 	len = ftell(f);
2871 	if (len == -1) {
2872 		error = got_ferror(f, GOT_ERR_IO);
2873 		goto done;
2874 	}
2875 	if (fseek(f, 0, SEEK_SET) == -1) {
2876 		error = got_ferror(f, GOT_ERR_IO);
2877 		goto done;
2878 	}
2879 
2880 	*url = calloc(len + 1, sizeof(**url));
2881 	if (*url == NULL) {
2882 		error = got_error_from_errno("calloc");
2883 		goto done;
2884 	}
2885 
2886 	n = fread(*url, 1, len, f);
2887 	if (n == 0 && ferror(f))
2888 		error = got_ferror(f, GOT_ERR_IO);
2889 done:
2890 	if (f && fclose(f) == -1 && error == NULL)
2891 		error = got_error_from_errno("fclose");
2892 	free(d_file);
2893 	return NULL;
2894 }
2895 
2896 static const struct got_error *
2897 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2898     int limit, int tag_type)
2899 {
2900 	const struct got_error *error = NULL;
2901 	struct got_reflist_head refs;
2902 	struct got_reflist_entry *re;
2903 	char *age = NULL;
2904 	char *id_str = NULL, *newline, *href_commits = NULL;
2905 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2906 	struct got_tag_object *tag = NULL;
2907 	enum kcgi_err kerr = KCGI_OK;
2908 	int summary_header_displayed = 0, start_tag = 0, chk_next = 0;
2909 	int prev_set = 0, tag_count = 0;
2910 
2911 	SIMPLEQ_INIT(&refs);
2912 
2913 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2914 	    got_ref_cmp_tags, gw_trans->repo);
2915 	if (error)
2916 		goto done;
2917 
2918 	SIMPLEQ_FOREACH(re, &refs, entry) {
2919 		const char *refname;
2920 		const char *tagger;
2921 		const char *tag_commit;
2922 		time_t tagger_time;
2923 		struct got_object_id *id;
2924 		struct got_commit_object *commit = NULL;
2925 
2926 		refname = got_ref_get_name(re->ref);
2927 		if (strncmp(refname, "refs/tags/", 10) != 0)
2928 			continue;
2929 		refname += 10;
2930 
2931 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
2932 		if (error)
2933 			goto done;
2934 
2935 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
2936 		if (error) {
2937 			if (error->code != GOT_ERR_OBJ_TYPE) {
2938 				free(id);
2939 				goto done;
2940 			}
2941 			/* "lightweight" tag */
2942 			error = got_object_open_as_commit(&commit,
2943 			    gw_trans->repo, id);
2944 			if (error) {
2945 				free(id);
2946 				goto done;
2947 			}
2948 			tagger = got_object_commit_get_committer(commit);
2949 			tagger_time =
2950 			    got_object_commit_get_committer_time(commit);
2951 			error = got_object_id_str(&id_str, id);
2952 			free(id);
2953 		} else {
2954 			free(id);
2955 			tagger = got_object_tag_get_tagger(tag);
2956 			tagger_time = got_object_tag_get_tagger_time(tag);
2957 			error = got_object_id_str(&id_str,
2958 			    got_object_tag_get_object_id(tag));
2959 		}
2960 		if (error)
2961 			goto done;
2962 
2963 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
2964 		    strlen(id_str)) != 0)
2965 			continue;
2966 
2967 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
2968 		    start_tag == 0 && strncmp(id_str, header->commit_id,
2969 		    strlen(id_str)) != 0) {
2970 			continue;
2971 		} else {
2972 			start_tag = 1;
2973 		}
2974 
2975 		tag_count++;
2976 
2977 		if (prev_set == 0 && start_tag == 1) {
2978 			gw_trans->next_prev_id = strdup(id_str);
2979 			if (gw_trans->next_prev_id == NULL) {
2980 				error = got_error_from_errno("strdup");
2981 				goto done;
2982 			}
2983 			prev_set = 1;
2984 		}
2985 
2986 		if (chk_next) {
2987 			gw_trans->next_id = strdup(id_str);
2988 			if (gw_trans->next_id == NULL)
2989 				error = got_error_from_errno("strdup");
2990 			goto done;
2991 		}
2992 
2993 		if (commit) {
2994 			error = got_object_commit_get_logmsg(&tag_commit0,
2995 			    commit);
2996 			if (error)
2997 				goto done;
2998 			got_object_commit_close(commit);
2999 		} else {
3000 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3001 			if (tag_commit0 == NULL) {
3002 				error = got_error_from_errno("strdup");
3003 				goto done;
3004 			}
3005 		}
3006 
3007 		tag_commit = tag_commit0;
3008 		while (*tag_commit == '\n')
3009 			tag_commit++;
3010 
3011 		switch (tag_type) {
3012 		case TAGBRIEF:
3013 			newline = strchr(tag_commit, '\n');
3014 			if (newline)
3015 				*newline = '\0';
3016 
3017 			if (summary_header_displayed == 0) {
3018 				kerr = khtml_attr(gw_trans->gw_html_req,
3019 				    KELEM_DIV, KATTR_ID,
3020 				    "summary_tags_title_wrapper", KATTR__MAX);
3021 				if (kerr != KCGI_OK)
3022 					goto done;
3023 				kerr = khtml_attr(gw_trans->gw_html_req,
3024 				    KELEM_DIV, KATTR_ID,
3025 				    "summary_tags_title", KATTR__MAX);
3026 				if (kerr != KCGI_OK)
3027 					goto done;
3028 				kerr = khtml_puts(gw_trans->gw_html_req,
3029 				    "Tags");
3030 				if (kerr != KCGI_OK)
3031 					goto done;
3032 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3033 				    2);
3034 				if (kerr != KCGI_OK)
3035 					goto done;
3036 				kerr = khtml_attr(gw_trans->gw_html_req,
3037 				    KELEM_DIV, KATTR_ID,
3038 				    "summary_tags_content", KATTR__MAX);
3039 				if (kerr != KCGI_OK)
3040 					goto done;
3041 				summary_header_displayed = 1;
3042 			}
3043 
3044 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3045 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3046 			if (kerr != KCGI_OK)
3047 				goto done;
3048 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3049 			    KATTR_ID, "tag_age", KATTR__MAX);
3050 			if (kerr != KCGI_OK)
3051 				goto done;
3052 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3053 			if (error)
3054 				goto done;
3055 			kerr = khtml_puts(gw_trans->gw_html_req,
3056 			    age ? age : "");
3057 			if (kerr != KCGI_OK)
3058 				goto done;
3059 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3060 			if (kerr != KCGI_OK)
3061 				goto done;
3062 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3063 			    KATTR_ID, "tag", KATTR__MAX);
3064 			if (kerr != KCGI_OK)
3065 				goto done;
3066 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3067 			if (kerr != KCGI_OK)
3068 				goto done;
3069 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3070 			if (kerr != KCGI_OK)
3071 				goto done;
3072 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3073 			    KATTR_ID, "tag_name", KATTR__MAX);
3074 			if (kerr != KCGI_OK)
3075 				goto done;
3076 
3077 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3078 			    gw_trans->repo_name, "action", "tag", "commit",
3079 			    id_str, NULL);
3080 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3081 			    KATTR_HREF, href_tag, KATTR__MAX);
3082 			if (kerr != KCGI_OK)
3083 				goto done;
3084 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3085 			if (kerr != KCGI_OK)
3086 				goto done;
3087 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3088 			if (kerr != KCGI_OK)
3089 				goto done;
3090 
3091 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3092 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3093 			if (kerr != KCGI_OK)
3094 				goto done;
3095 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3096 			    KATTR_ID, "navs", KATTR__MAX);
3097 			if (kerr != KCGI_OK)
3098 				goto done;
3099 
3100 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3101 			    KATTR_HREF, href_tag, KATTR__MAX);
3102 			if (kerr != KCGI_OK)
3103 				goto done;
3104 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3105 			if (kerr != KCGI_OK)
3106 				goto done;
3107 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3108 			if (kerr != KCGI_OK)
3109 				goto done;
3110 
3111 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3112 			if (kerr != KCGI_OK)
3113 				goto done;
3114 
3115 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3116 			    "path", gw_trans->repo_name, "action", "briefs",
3117 			    "commit", id_str, NULL);
3118 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3119 			    KATTR_HREF, href_briefs, KATTR__MAX);
3120 			if (kerr != KCGI_OK)
3121 				goto done;
3122 			kerr = khtml_puts(gw_trans->gw_html_req,
3123 			    "commit briefs");
3124 			if (kerr != KCGI_OK)
3125 				goto done;
3126 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3127 			if (kerr != KCGI_OK)
3128 				goto done;
3129 
3130 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3131 			if (kerr != KCGI_OK)
3132 				goto done;
3133 
3134 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3135 			    "path", gw_trans->repo_name, "action", "commits",
3136 			    "commit", id_str, NULL);
3137 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3138 			    KATTR_HREF, href_commits, KATTR__MAX);
3139 			if (kerr != KCGI_OK)
3140 				goto done;
3141 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3142 			if (kerr != KCGI_OK)
3143 				goto done;
3144 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3145 			if (kerr != KCGI_OK)
3146 				goto done;
3147 
3148 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3149 			    KATTR_ID, "dotted_line", KATTR__MAX);
3150 			if (kerr != KCGI_OK)
3151 				goto done;
3152 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3153 			if (kerr != KCGI_OK)
3154 				goto done;
3155 			break;
3156 		case TAGFULL:
3157 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3158 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3159 			if (kerr != KCGI_OK)
3160 				goto done;
3161 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
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_info_date", KATTR__MAX);
3169 			if (kerr != KCGI_OK)
3170 				goto done;
3171 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3172 			if (error)
3173 				goto done;
3174 			kerr = khtml_puts(gw_trans->gw_html_req,
3175 			    age ? age : "");
3176 			if (kerr != KCGI_OK)
3177 				goto done;
3178 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3179 			if (kerr != KCGI_OK)
3180 				goto done;
3181 
3182 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3183 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3184 			if (kerr != KCGI_OK)
3185 				goto done;
3186 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3187 			if (kerr != KCGI_OK)
3188 				goto done;
3189 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3190 			if (kerr != KCGI_OK)
3191 				goto done;
3192 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3193 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3194 			if (kerr != KCGI_OK)
3195 				goto done;
3196 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3200 			if (kerr != KCGI_OK)
3201 				goto done;
3202 
3203 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3204 			    KATTR_ID, "tag_info", KATTR__MAX);
3205 			if (kerr != KCGI_OK)
3206 				goto done;
3207 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3208 			if (kerr != KCGI_OK)
3209 				goto done;
3210 			break;
3211 		default:
3212 			break;
3213 		}
3214 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3215 		if (kerr != KCGI_OK)
3216 			goto done;
3217 
3218 		if (limit && --limit == 0)
3219 			chk_next = 1;
3220 
3221 		if (tag)
3222 			got_object_tag_close(tag);
3223 		tag = NULL;
3224 		free(id_str);
3225 		id_str = NULL;
3226 		free(age);
3227 		age = NULL;
3228 		free(tag_commit0);
3229 		tag_commit0 = NULL;
3230 		free(href_tag);
3231 		href_tag = NULL;
3232 		free(href_briefs);
3233 		href_briefs = NULL;
3234 		free(href_commits);
3235 		href_commits = NULL;
3236 	}
3237 	if (tag_count == 0) {
3238 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3239 		    "summary_tags_title_wrapper", KATTR__MAX);
3240 		if (kerr != KCGI_OK)
3241 			goto done;
3242 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3243 		    "summary_tags_title", KATTR__MAX);
3244 		if (kerr != KCGI_OK)
3245 			goto done;
3246 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3247 		if (kerr != KCGI_OK)
3248 			goto done;
3249 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3250 		if (kerr != KCGI_OK)
3251 			goto done;
3252 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3253 		    "summary_tags_content", KATTR__MAX);
3254 		if (kerr != KCGI_OK)
3255 			goto done;
3256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3257 		    "tags_info", KATTR__MAX);
3258 		if (kerr != KCGI_OK)
3259 			goto done;
3260 		kerr = khttp_puts(gw_trans->gw_req,
3261 		    "There are no tags for this repo.");
3262 		if (kerr != KCGI_OK)
3263 			goto done;
3264 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3265 	}
3266 done:
3267 	if (tag)
3268 		got_object_tag_close(tag);
3269 	free(id_str);
3270 	free(age);
3271 	free(tag_commit0);
3272 	free(href_tag);
3273 	free(href_briefs);
3274 	free(href_commits);
3275 	got_ref_list_free(&refs);
3276 	if (error == NULL && kerr != KCGI_OK)
3277 		error = gw_kcgi_error(kerr);
3278 	return error;
3279 }
3280 
3281 static void
3282 gw_free_header(struct gw_header *header)
3283 {
3284 	free(header->path);
3285 	free(header->author);
3286 	free(header->committer);
3287 	free(header->refs_str);
3288 	free(header->commit_id);
3289 	free(header->parent_id);
3290 	free(header->tree_id);
3291 	free(header->commit_msg);
3292 }
3293 
3294 static struct gw_header *
3295 gw_init_header()
3296 {
3297 	struct gw_header *header;
3298 
3299 	header = malloc(sizeof(*header));
3300 	if (header == NULL)
3301 		return NULL;
3302 
3303 	header->path = NULL;
3304 	SIMPLEQ_INIT(&header->refs);
3305 
3306 	header->refs_str = NULL;
3307 	header->commit_id = NULL;
3308 	header->committer = NULL;
3309 	header->author = NULL;
3310 	header->parent_id = NULL;
3311 	header->tree_id = NULL;
3312 	header->commit_msg = NULL;
3313 
3314 	return header;
3315 }
3316 
3317 static const struct got_error *
3318 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3319     int limit, struct got_object_id *id)
3320 {
3321 	const struct got_error *error = NULL;
3322 	struct got_commit_graph *graph = NULL;
3323 	struct got_commit_object *commit = NULL;
3324 	int chk_next = 0, chk_multi = 0, prev_set = 0;
3325 
3326 	error = got_commit_graph_open(&graph, header->path, 0);
3327 	if (error)
3328 		return error;
3329 
3330 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3331 	    NULL);
3332 	if (error)
3333 		goto done;
3334 
3335 	for (;;) {
3336 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3337 		    NULL, NULL);
3338 		if (error) {
3339 			if (error->code == GOT_ERR_ITER_COMPLETED)
3340 				error = NULL;
3341 			goto done;
3342 		}
3343 		if (id == NULL)
3344 			goto done;
3345 
3346 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3347 			if (error)
3348 				goto done;
3349 		if (limit == 1 && chk_multi == 0 &&
3350 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3351 			error = gw_get_commit(gw_trans, header, commit, id);
3352 			if (error)
3353 				goto done;
3354 		} else {
3355 			chk_multi = 1;
3356 			struct gw_header *n_header = NULL;
3357 			if ((n_header = gw_init_header()) == NULL) {
3358 				error = got_error_from_errno("malloc");
3359 				goto done;
3360 			}
3361 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3362 			    NULL, got_ref_cmp_by_name, NULL);
3363 			if (error)
3364 				goto done;
3365 
3366 			error = gw_get_commit(gw_trans, n_header, commit, id);
3367 			if (error)
3368 				goto done;
3369 			got_ref_list_free(&n_header->refs);
3370 
3371 			/*
3372 			 * we have a commit_id now, so copy it to next_prev_id
3373 			 * for navigation through gw_briefs and gw_commits
3374 			 */
3375 			if (gw_trans->next_prev_id == NULL && prev_set == 0 &&
3376 			    (gw_trans->action == GW_BRIEFS ||
3377 			     gw_trans->action == GW_COMMITS ||
3378 			     gw_trans->action == GW_SUMMARY)) {
3379 				prev_set = 1;
3380 				gw_trans->next_prev_id =
3381 				    strdup(n_header->commit_id);
3382 				if (gw_trans->next_prev_id == NULL) {
3383 					error = got_error_from_errno("strdup");
3384 					goto done;
3385 				}
3386 			}
3387 
3388 			/*
3389 			 * check for one more commit before breaking,
3390 			 * so we know whether to navicate through gw_briefs
3391 			 * gw_commits and gw_summary
3392 			 */
3393 			if (chk_next && (gw_trans->action == GW_BRIEFS||
3394 			    gw_trans->action == GW_COMMITS ||
3395 			    gw_trans->action == GW_SUMMARY)) {
3396 				gw_trans->next_id = strdup(n_header->commit_id);
3397 				if (gw_trans->next_id == NULL)
3398 					error = got_error_from_errno("strdup");
3399 				goto done;
3400 			}
3401 
3402 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3403 			    entry);
3404 		}
3405 		if (error || (limit && --limit == 0)) {
3406 			if (chk_multi == 0)
3407 				break;
3408 			chk_next = 1;
3409 		}
3410 	}
3411 done:
3412 	if (commit != NULL)
3413 		got_object_commit_close(commit);
3414 	if (graph)
3415 		got_commit_graph_close(graph);
3416 	return error;
3417 }
3418 
3419 static const struct got_error *
3420 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3421     struct got_commit_object *commit, struct got_object_id *id)
3422 {
3423 	const struct got_error *error = NULL;
3424 	struct got_reflist_entry *re;
3425 	struct got_object_id *id2 = NULL;
3426 	struct got_object_qid *parent_id;
3427 	char *commit_msg = NULL, *commit_msg0;
3428 
3429 	/*print commit*/
3430 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3431 		char *s;
3432 		const char *name;
3433 		struct got_tag_object *tag = NULL;
3434 		int cmp;
3435 
3436 		if (got_ref_is_symbolic(re->ref))
3437 			continue;
3438 
3439 		name = got_ref_get_name(re->ref);
3440 		if (strncmp(name, "refs/", 5) == 0)
3441 			name += 5;
3442 		if (strncmp(name, "got/", 4) == 0)
3443 			continue;
3444 		if (strncmp(name, "heads/", 6) == 0)
3445 			name += 6;
3446 		if (strncmp(name, "remotes/", 8) == 0)
3447 			name += 8;
3448 		if (strncmp(name, "tags/", 5) == 0) {
3449 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3450 			    re->id);
3451 			if (error) {
3452 				if (error->code != GOT_ERR_OBJ_TYPE)
3453 					continue;
3454 				/*
3455 				 * Ref points at something other
3456 				 * than a tag.
3457 				 */
3458 				error = NULL;
3459 				tag = NULL;
3460 			}
3461 		}
3462 		cmp = got_object_id_cmp(tag ?
3463 		    got_object_tag_get_object_id(tag) : re->id, id);
3464 		if (tag)
3465 			got_object_tag_close(tag);
3466 		if (cmp != 0)
3467 			continue;
3468 		s = header->refs_str;
3469 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3470 		    s ? ", " : "", name) == -1) {
3471 			error = got_error_from_errno("asprintf");
3472 			free(s);
3473 			header->refs_str = NULL;
3474 			return error;
3475 		}
3476 		free(s);
3477 	}
3478 
3479 	error = got_object_id_str(&header->commit_id, id);
3480 	if (error)
3481 		return error;
3482 
3483 	error = got_object_id_str(&header->tree_id,
3484 	    got_object_commit_get_tree_id(commit));
3485 	if (error)
3486 		return error;
3487 
3488 	if (gw_trans->action == GW_DIFF) {
3489 		parent_id = SIMPLEQ_FIRST(
3490 		    got_object_commit_get_parent_ids(commit));
3491 		if (parent_id != NULL) {
3492 			id2 = got_object_id_dup(parent_id->id);
3493 			free (parent_id);
3494 			error = got_object_id_str(&header->parent_id, id2);
3495 			if (error)
3496 				return error;
3497 			free(id2);
3498 		} else {
3499 			header->parent_id = strdup("/dev/null");
3500 			if (header->parent_id == NULL) {
3501 				error = got_error_from_errno("strdup");
3502 				return error;
3503 			}
3504 		}
3505 	}
3506 
3507 	header->committer_time =
3508 	    got_object_commit_get_committer_time(commit);
3509 
3510 	header->author =
3511 	    strdup(got_object_commit_get_author(commit));
3512 	if (header->author == NULL) {
3513 		error = got_error_from_errno("strdup");
3514 		return error;
3515 	}
3516 	header->committer =
3517 	    strdup(got_object_commit_get_committer(commit));
3518 	if (header->committer == NULL) {
3519 		error = got_error_from_errno("strdup");
3520 		return error;
3521 	}
3522 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3523 	if (error)
3524 		return error;
3525 
3526 	commit_msg = commit_msg0;
3527 	while (*commit_msg == '\n')
3528 		commit_msg++;
3529 
3530 	header->commit_msg = strdup(commit_msg);
3531 	if (header->commit_msg == NULL)
3532 		error = got_error_from_errno("strdup");
3533 	free(commit_msg0);
3534 	return error;
3535 }
3536 
3537 static const struct got_error *
3538 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3539 {
3540 	const struct got_error *error = NULL;
3541 	char *in_repo_path = NULL;
3542 	struct got_object_id *id = NULL;
3543 
3544 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3545 	if (error)
3546 		return error;
3547 
3548 	if (gw_trans->commit_id == NULL) {
3549 		struct got_reference *head_ref;
3550 		error = got_ref_open(&head_ref, gw_trans->repo,
3551 		    gw_trans->headref, 0);
3552 		if (error)
3553 			return error;
3554 
3555 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3556 		got_ref_close(head_ref);
3557 		if (error)
3558 			return error;
3559 	} else {
3560 		struct got_reference *ref;
3561 
3562 		error = got_ref_open(&ref, gw_trans->repo,
3563 		    gw_trans->commit_id, 0);
3564 		if (error == NULL) {
3565 			int obj_type;
3566 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3567 			got_ref_close(ref);
3568 			if (error)
3569 				return error;
3570 			error = got_object_get_type(&obj_type, gw_trans->repo,
3571 			    id);
3572 			if (error)
3573 				goto done;
3574 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3575 				struct got_tag_object *tag;
3576 				error = got_object_open_as_tag(&tag,
3577 				    gw_trans->repo, id);
3578 				if (error)
3579 					goto done;
3580 				if (got_object_tag_get_object_type(tag) !=
3581 				    GOT_OBJ_TYPE_COMMIT) {
3582 					got_object_tag_close(tag);
3583 					error = got_error(GOT_ERR_OBJ_TYPE);
3584 					goto done;
3585 				}
3586 				free(id);
3587 				id = got_object_id_dup(
3588 				    got_object_tag_get_object_id(tag));
3589 				if (id == NULL)
3590 					error = got_error_from_errno(
3591 					    "got_object_id_dup");
3592 				got_object_tag_close(tag);
3593 				if (error)
3594 					goto done;
3595 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3596 				error = got_error(GOT_ERR_OBJ_TYPE);
3597 				goto done;
3598 			}
3599 		}
3600 		error = got_repo_match_object_id_prefix(&id,
3601 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3602 			    gw_trans->repo);
3603 		if (error)
3604 			goto done;
3605 	}
3606 
3607 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3608 	    gw_trans->repo_path, 1);
3609 	if (error)
3610 		goto done;
3611 
3612 	if (in_repo_path) {
3613 		header->path = strdup(in_repo_path);
3614 		if (header->path == NULL) {
3615 			error = got_error_from_errno("strdup");
3616 			goto done;
3617 		}
3618 	}
3619 
3620 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3621 	    got_ref_cmp_by_name, NULL);
3622 	if (error)
3623 		goto done;
3624 
3625 	error = gw_get_commits(gw_trans, header, limit, id);
3626 done:
3627 	got_ref_list_free(&header->refs);
3628 	free(id);
3629 	free(in_repo_path);
3630 	return error;
3631 }
3632 
3633 struct blame_line {
3634 	int annotated;
3635 	char *id_str;
3636 	char *committer;
3637 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3638 };
3639 
3640 struct gw_blame_cb_args {
3641 	struct blame_line *lines;
3642 	int nlines;
3643 	int nlines_prec;
3644 	int lineno_cur;
3645 	off_t *line_offsets;
3646 	FILE *f;
3647 	struct got_repository *repo;
3648 	struct gw_trans *gw_trans;
3649 };
3650 
3651 static const struct got_error *
3652 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3653 {
3654 	const struct got_error *err = NULL;
3655 	struct gw_blame_cb_args *a = arg;
3656 	struct blame_line *bline;
3657 	char *line = NULL;
3658 	size_t linesize = 0;
3659 	struct got_commit_object *commit = NULL;
3660 	off_t offset;
3661 	struct tm tm;
3662 	time_t committer_time;
3663 	enum kcgi_err kerr = KCGI_OK;
3664 
3665 	if (nlines != a->nlines ||
3666 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3667 		return got_error(GOT_ERR_RANGE);
3668 
3669 	if (lineno == -1)
3670 		return NULL; /* no change in this commit */
3671 
3672 	/* Annotate this line. */
3673 	bline = &a->lines[lineno - 1];
3674 	if (bline->annotated)
3675 		return NULL;
3676 	err = got_object_id_str(&bline->id_str, id);
3677 	if (err)
3678 		return err;
3679 
3680 	err = got_object_open_as_commit(&commit, a->repo, id);
3681 	if (err)
3682 		goto done;
3683 
3684 	bline->committer = strdup(got_object_commit_get_committer(commit));
3685 	if (bline->committer == NULL) {
3686 		err = got_error_from_errno("strdup");
3687 		goto done;
3688 	}
3689 
3690 	committer_time = got_object_commit_get_committer_time(commit);
3691 	if (localtime_r(&committer_time, &tm) == NULL)
3692 		return got_error_from_errno("localtime_r");
3693 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3694 	    &tm) >= sizeof(bline->datebuf)) {
3695 		err = got_error(GOT_ERR_NO_SPACE);
3696 		goto done;
3697 	}
3698 	bline->annotated = 1;
3699 
3700 	/* Print lines annotated so far. */
3701 	bline = &a->lines[a->lineno_cur - 1];
3702 	if (!bline->annotated)
3703 		goto done;
3704 
3705 	offset = a->line_offsets[a->lineno_cur - 1];
3706 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3707 		err = got_error_from_errno("fseeko");
3708 		goto done;
3709 	}
3710 
3711 	while (bline->annotated) {
3712 		char *smallerthan, *at, *nl, *committer;
3713 		char *href_diff = NULL;
3714 		size_t len;
3715 
3716 		if (getline(&line, &linesize, a->f) == -1) {
3717 			if (ferror(a->f))
3718 				err = got_error_from_errno("getline");
3719 			break;
3720 		}
3721 
3722 		committer = bline->committer;
3723 		smallerthan = strchr(committer, '<');
3724 		if (smallerthan && smallerthan[1] != '\0')
3725 			committer = smallerthan + 1;
3726 		at = strchr(committer, '@');
3727 		if (at)
3728 			*at = '\0';
3729 		len = strlen(committer);
3730 		if (len >= 9)
3731 			committer[8] = '\0';
3732 
3733 		nl = strchr(line, '\n');
3734 		if (nl)
3735 			*nl = '\0';
3736 
3737 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3738 		    "blame_wrapper", KATTR__MAX);
3739 		if (kerr != KCGI_OK)
3740 			goto err;
3741 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3742 		    "blame_number", KATTR__MAX);
3743 		if (kerr != KCGI_OK)
3744 			goto err;
3745 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3746 		    a->nlines_prec, a->lineno_cur);
3747 		if (kerr != KCGI_OK)
3748 			goto err;
3749 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3750 		if (kerr != KCGI_OK)
3751 			goto err;
3752 
3753 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3754 		    "blame_hash", KATTR__MAX);
3755 		if (kerr != KCGI_OK)
3756 			goto err;
3757 
3758 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3759 		    a->gw_trans->repo_name, "action", "diff", "commit",
3760 		    bline->id_str, NULL);
3761 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3762 		    KATTR_HREF, href_diff, KATTR__MAX);
3763 		if (kerr != KCGI_OK)
3764 			goto done;
3765 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3766 		    bline->id_str);
3767 		if (kerr != KCGI_OK)
3768 			goto err;
3769 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3770 		if (kerr != KCGI_OK)
3771 			goto err;
3772 
3773 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3774 		    "blame_date", KATTR__MAX);
3775 		if (kerr != KCGI_OK)
3776 			goto err;
3777 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3778 		if (kerr != KCGI_OK)
3779 			goto err;
3780 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3781 		if (kerr != KCGI_OK)
3782 			goto err;
3783 
3784 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3785 		    "blame_author", KATTR__MAX);
3786 		if (kerr != KCGI_OK)
3787 			goto err;
3788 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3789 		if (kerr != KCGI_OK)
3790 			goto err;
3791 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3792 		if (kerr != KCGI_OK)
3793 			goto err;
3794 
3795 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3796 		    "blame_code", KATTR__MAX);
3797 		if (kerr != KCGI_OK)
3798 			goto err;
3799 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3800 		if (kerr != KCGI_OK)
3801 			goto err;
3802 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3803 		if (kerr != KCGI_OK)
3804 			goto err;
3805 
3806 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3807 		if (kerr != KCGI_OK)
3808 			goto err;
3809 
3810 		a->lineno_cur++;
3811 		bline = &a->lines[a->lineno_cur - 1];
3812 err:
3813 		free(href_diff);
3814 	}
3815 done:
3816 	if (commit)
3817 		got_object_commit_close(commit);
3818 	free(line);
3819 	if (err == NULL && kerr != KCGI_OK)
3820 		err = gw_kcgi_error(kerr);
3821 	return err;
3822 }
3823 
3824 static const struct got_error *
3825 gw_output_file_blame(struct gw_trans *gw_trans)
3826 {
3827 	const struct got_error *error = NULL;
3828 	struct got_object_id *obj_id = NULL;
3829 	struct got_object_id *commit_id = NULL;
3830 	struct got_blob_object *blob = NULL;
3831 	char *path = NULL, *in_repo_path = NULL;
3832 	struct gw_blame_cb_args bca;
3833 	int i, obj_type;
3834 	size_t filesize;
3835 
3836 	if (asprintf(&path, "%s%s%s",
3837 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3838 	    gw_trans->repo_folder ? "/" : "",
3839 	    gw_trans->repo_file) == -1) {
3840 		error = got_error_from_errno("asprintf");
3841 		goto done;
3842 	}
3843 
3844 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3845 	if (error)
3846 		goto done;
3847 
3848 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3849 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3850 	if (error)
3851 		goto done;
3852 
3853 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3854 	    in_repo_path);
3855 	if (error)
3856 		goto done;
3857 
3858 	if (obj_id == NULL) {
3859 		error = got_error(GOT_ERR_NO_OBJ);
3860 		goto done;
3861 	}
3862 
3863 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3864 	if (error)
3865 		goto done;
3866 
3867 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3868 		error = got_error(GOT_ERR_OBJ_TYPE);
3869 		goto done;
3870 	}
3871 
3872 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3873 	if (error)
3874 		goto done;
3875 
3876 	bca.f = got_opentemp();
3877 	if (bca.f == NULL) {
3878 		error = got_error_from_errno("got_opentemp");
3879 		goto done;
3880 	}
3881 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3882 	    &bca.line_offsets, bca.f, blob);
3883 	if (error || bca.nlines == 0)
3884 		goto done;
3885 
3886 	/* Don't include \n at EOF in the blame line count. */
3887 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3888 		bca.nlines--;
3889 
3890 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3891 	if (bca.lines == NULL) {
3892 		error = got_error_from_errno("calloc");
3893 		goto done;
3894 	}
3895 	bca.lineno_cur = 1;
3896 	bca.nlines_prec = 0;
3897 	i = bca.nlines;
3898 	while (i > 0) {
3899 		i /= 10;
3900 		bca.nlines_prec++;
3901 	}
3902 	bca.repo = gw_trans->repo;
3903 	bca.gw_trans = gw_trans;
3904 
3905 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3906 	    &bca, NULL, NULL);
3907 done:
3908 	free(in_repo_path);
3909 	free(commit_id);
3910 	free(obj_id);
3911 	free(path);
3912 
3913 	if (blob) {
3914 		free(bca.line_offsets);
3915 		for (i = 0; i < bca.nlines; i++) {
3916 			struct blame_line *bline = &bca.lines[i];
3917 			free(bline->id_str);
3918 			free(bline->committer);
3919 		}
3920 		free(bca.lines);
3921 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
3922 			error = got_error_from_errno("fclose");
3923 	}
3924 	if (blob)
3925 		got_object_blob_close(blob);
3926 	return error;
3927 }
3928 
3929 static const struct got_error *
3930 gw_output_blob_buf(struct gw_trans *gw_trans)
3931 {
3932 	const struct got_error *error = NULL;
3933 	struct got_object_id *obj_id = NULL;
3934 	struct got_object_id *commit_id = NULL;
3935 	struct got_blob_object *blob = NULL;
3936 	char *path = NULL, *in_repo_path = NULL;
3937 	int obj_type, set_mime = 0;
3938 	size_t len, hdrlen;
3939 	const uint8_t *buf;
3940 	enum kcgi_err kerr = KCGI_OK;
3941 
3942 	if (asprintf(&path, "%s%s%s",
3943 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3944 	    gw_trans->repo_folder ? "/" : "",
3945 	    gw_trans->repo_file) == -1) {
3946 		error = got_error_from_errno("asprintf");
3947 		goto done;
3948 	}
3949 
3950 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3951 	if (error)
3952 		goto done;
3953 
3954 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3955 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3956 	if (error)
3957 		goto done;
3958 
3959 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3960 	    in_repo_path);
3961 	if (error)
3962 		goto done;
3963 
3964 	if (obj_id == NULL) {
3965 		error = got_error(GOT_ERR_NO_OBJ);
3966 		goto done;
3967 	}
3968 
3969 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3970 	if (error)
3971 		goto done;
3972 
3973 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3974 		error = got_error(GOT_ERR_OBJ_TYPE);
3975 		goto done;
3976 	}
3977 
3978 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3979 	if (error)
3980 		goto done;
3981 
3982 	hdrlen = got_object_blob_get_hdrlen(blob);
3983 	do {
3984 		error = got_object_blob_read_block(&len, blob);
3985 		if (error)
3986 			goto done;
3987 		buf = got_object_blob_get_read_buf(blob);
3988 
3989 		/*
3990 		 * Skip blob object header first time around,
3991 		 * which also contains a zero byte.
3992 		 */
3993 		buf += hdrlen;
3994 		if (set_mime == 0) {
3995 			if (isbinary(buf, len - hdrlen))
3996 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
3997 			else
3998 				gw_trans->mime = KMIME_TEXT_PLAIN;
3999 			set_mime = 1;
4000 			error = gw_display_index(gw_trans);
4001 			if (error)
4002 				goto done;
4003 		}
4004 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4005 		if (kerr != KCGI_OK)
4006 			goto done;
4007 		hdrlen = 0;
4008 	} while (len != 0);
4009 done:
4010 	free(in_repo_path);
4011 	free(commit_id);
4012 	free(obj_id);
4013 	free(path);
4014 	if (blob)
4015 		got_object_blob_close(blob);
4016 	if (error == NULL && kerr != KCGI_OK)
4017 		error = gw_kcgi_error(kerr);
4018 	return error;
4019 }
4020 
4021 static const struct got_error *
4022 gw_output_repo_tree(struct gw_trans *gw_trans)
4023 {
4024 	const struct got_error *error = NULL;
4025 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4026 	struct got_tree_object *tree = NULL;
4027 	char *path = NULL, *in_repo_path = NULL;
4028 	char *id_str = NULL;
4029 	char *build_folder = NULL;
4030 	char *href_blob = NULL, *href_blame = NULL;
4031 	const char *class = NULL;
4032 	int nentries, i, class_flip = 0;
4033 	enum kcgi_err kerr = KCGI_OK;
4034 
4035 	if (gw_trans->repo_folder != NULL) {
4036 		path = strdup(gw_trans->repo_folder);
4037 		if (path == NULL) {
4038 			error = got_error_from_errno("strdup");
4039 			goto done;
4040 		}
4041 	} else {
4042 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4043 		    gw_trans->repo_path, 1);
4044 		if (error)
4045 			goto done;
4046 		free(path);
4047 		path = in_repo_path;
4048 	}
4049 
4050 	if (gw_trans->commit_id == NULL) {
4051 		struct got_reference *head_ref;
4052 		error = got_ref_open(&head_ref, gw_trans->repo,
4053 		    gw_trans->headref, 0);
4054 		if (error)
4055 			goto done;
4056 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4057 		if (error)
4058 			goto done;
4059 		got_ref_close(head_ref);
4060 		/*
4061 		 * gw_trans->commit_id was not parsed from the querystring
4062 		 * we hit this code path from gw_index, where we don't know the
4063 		 * commit values for the tree link yet, so set
4064 		 * gw_trans->commit_id here to continue further into the tree
4065 		 */
4066 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4067 		if (error)
4068 			goto done;
4069 
4070 	} else {
4071 		error = got_repo_match_object_id(&commit_id, NULL,
4072 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
4073 		    gw_trans->repo);
4074 		if (error)
4075 			goto done;
4076 	}
4077 
4078 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4079 	    path);
4080 	if (error)
4081 		goto done;
4082 
4083 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4084 	if (error)
4085 		goto done;
4086 
4087 	nentries = got_object_tree_get_nentries(tree);
4088 	for (i = 0; i < nentries; i++) {
4089 		struct got_tree_entry *te;
4090 		const char *modestr = "";
4091 		mode_t mode;
4092 
4093 		te = got_object_tree_get_entry(tree, i);
4094 
4095 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4096 		if (error)
4097 			goto done;
4098 
4099 		mode = got_tree_entry_get_mode(te);
4100 		if (got_object_tree_entry_is_submodule(te))
4101 			modestr = "$";
4102 		else if (S_ISLNK(mode))
4103 			modestr = "@";
4104 		else if (S_ISDIR(mode))
4105 			modestr = "/";
4106 		else if (mode & S_IXUSR)
4107 			modestr = "*";
4108 
4109 		if (class_flip == 0) {
4110 			class = "back_lightgray";
4111 			class_flip = 1;
4112 		} else {
4113 			class = "back_white";
4114 			class_flip = 0;
4115 		}
4116 
4117 		if (S_ISDIR(mode)) {
4118 			if (asprintf(&build_folder, "%s/%s",
4119 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4120 			    got_tree_entry_get_name(te)) == -1) {
4121 				error = got_error_from_errno("asprintf");
4122 				goto done;
4123 			}
4124 
4125 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4126 			    gw_trans->repo_name, "action",
4127 			    gw_get_action_name(gw_trans), "commit",
4128 			    gw_trans->commit_id, "folder", build_folder, NULL);
4129 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4130 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4131 			if (kerr != KCGI_OK)
4132 				goto done;
4133 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4134 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4135 			    KATTR__MAX);
4136 			if (kerr != KCGI_OK)
4137 				goto done;
4138 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4139 			    KATTR_HREF, href_blob, KATTR_CLASS,
4140 			    "diff_directory", KATTR__MAX);
4141 			if (kerr != KCGI_OK)
4142 				goto done;
4143 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4144 			    got_tree_entry_get_name(te), modestr);
4145 			if (kerr != KCGI_OK)
4146 				goto done;
4147 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4148 			if (kerr != KCGI_OK)
4149 				goto done;
4150 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4151 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4152 			    KATTR__MAX);
4153 			if (kerr != KCGI_OK)
4154 				goto done;
4155 			kerr = khtml_entity(gw_trans->gw_html_req,
4156 			    KENTITY_nbsp);
4157 			if (kerr != KCGI_OK)
4158 				goto done;
4159 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4160 			if (kerr != KCGI_OK)
4161 				goto done;
4162 		} else {
4163 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4164 			    gw_trans->repo_name, "action", "blob", "commit",
4165 			    gw_trans->commit_id, "file",
4166 			    got_tree_entry_get_name(te), "folder",
4167 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4168 			    NULL);
4169 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4170 			    gw_trans->repo_name, "action", "blame", "commit",
4171 			    gw_trans->commit_id, "file",
4172 			    got_tree_entry_get_name(te), "folder", 
4173 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4174 			    NULL);
4175 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4176 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4177 			if (kerr != KCGI_OK)
4178 				goto done;
4179 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4180 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4181 			    KATTR__MAX);
4182 			if (kerr != KCGI_OK)
4183 				goto done;
4184 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4185 			    KATTR_HREF, href_blob, KATTR__MAX);
4186 			if (kerr != KCGI_OK)
4187 				goto done;
4188 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4189 			    got_tree_entry_get_name(te), modestr);
4190 			if (kerr != KCGI_OK)
4191 				goto done;
4192 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4193 			if (kerr != KCGI_OK)
4194 				goto done;
4195 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4196 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4197 			    KATTR__MAX);
4198 			if (kerr != KCGI_OK)
4199 				goto done;
4200 
4201 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4202 			    KATTR_HREF, href_blob, KATTR__MAX);
4203 			if (kerr != KCGI_OK)
4204 				goto done;
4205 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4206 			if (kerr != KCGI_OK)
4207 				goto done;
4208 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4209 			if (kerr != KCGI_OK)
4210 				goto done;
4211 
4212 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4213 			if (kerr != KCGI_OK)
4214 				goto done;
4215 
4216 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4217 			    KATTR_HREF, href_blame, KATTR__MAX);
4218 			if (kerr != KCGI_OK)
4219 				goto done;
4220 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4221 			if (kerr != KCGI_OK)
4222 				goto done;
4223 
4224 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4225 			if (kerr != KCGI_OK)
4226 				goto done;
4227 		}
4228 		free(id_str);
4229 		id_str = NULL;
4230 		free(href_blob);
4231 		href_blob = NULL;
4232 		free(build_folder);
4233 		build_folder = NULL;
4234 	}
4235 done:
4236 	if (tree)
4237 		got_object_tree_close(tree);
4238 	free(id_str);
4239 	free(href_blob);
4240 	free(href_blame);
4241 	free(in_repo_path);
4242 	free(tree_id);
4243 	free(build_folder);
4244 	if (error == NULL && kerr != KCGI_OK)
4245 		error = gw_kcgi_error(kerr);
4246 	return error;
4247 }
4248 
4249 static const struct got_error *
4250 gw_output_repo_heads(struct gw_trans *gw_trans)
4251 {
4252 	const struct got_error *error = NULL;
4253 	struct got_reflist_head refs;
4254 	struct got_reflist_entry *re;
4255 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4256 	char *href_commits = NULL;
4257 	enum kcgi_err kerr = KCGI_OK;
4258 
4259 	SIMPLEQ_INIT(&refs);
4260 
4261 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4262 	    got_ref_cmp_by_name, NULL);
4263 	if (error)
4264 		goto done;
4265 
4266 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4267 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4268 	if (kerr != KCGI_OK)
4269 		goto done;
4270 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4271 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4272 	if (kerr != KCGI_OK)
4273 		goto done;
4274 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4275 	if (kerr != KCGI_OK)
4276 		goto done;
4277 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4278 	if (kerr != KCGI_OK)
4279 		goto done;
4280 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4281 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4282 	if (kerr != KCGI_OK)
4283 		goto done;
4284 
4285 	SIMPLEQ_FOREACH(re, &refs, entry) {
4286 		const char *refname;
4287 
4288 		if (got_ref_is_symbolic(re->ref))
4289 			continue;
4290 
4291 		refname = got_ref_get_name(re->ref);
4292 		if (strncmp(refname, "refs/heads/", 11) != 0)
4293 			continue;
4294 
4295 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4296 		    refname, TM_DIFF);
4297 		if (error)
4298 			goto done;
4299 
4300 		if (strncmp(refname, "refs/heads/", 11) == 0)
4301 			refname += 11;
4302 
4303 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4304 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4305 		if (kerr != KCGI_OK)
4306 			goto done;
4307 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4308 		    KATTR_ID, "heads_age", KATTR__MAX);
4309 		if (kerr != KCGI_OK)
4310 			goto done;
4311 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4312 		if (kerr != KCGI_OK)
4313 			goto done;
4314 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4315 		if (kerr != KCGI_OK)
4316 			goto done;
4317 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4318 		    KATTR_ID, "heads_space", KATTR__MAX);
4319 		if (kerr != KCGI_OK)
4320 			goto done;
4321 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4322 		if (kerr != KCGI_OK)
4323 			goto done;
4324 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4325 		if (kerr != KCGI_OK)
4326 			goto done;
4327 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4328 		    KATTR_ID, "head", KATTR__MAX);
4329 		if (kerr != KCGI_OK)
4330 			goto done;
4331 
4332 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4333 		    gw_trans->repo_name, "action", "summary", "headref",
4334 		    refname, NULL),
4335 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4336 		    href_summary, KATTR__MAX);
4337 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4338 		if (kerr != KCGI_OK)
4339 			goto done;
4340 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4341 		if (kerr != KCGI_OK)
4342 			goto done;
4343 
4344 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4345 		    "navs_wrapper", KATTR__MAX);
4346 		if (kerr != KCGI_OK)
4347 			goto done;
4348 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4349 		    "navs", KATTR__MAX);
4350 		if (kerr != KCGI_OK)
4351 			goto done;
4352 
4353 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4354 		    href_summary, KATTR__MAX);
4355 		if (kerr != KCGI_OK)
4356 			goto done;
4357 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4358 		if (kerr != KCGI_OK)
4359 			goto done;
4360 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4361 		if (kerr != KCGI_OK)
4362 			goto done;
4363 
4364 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4365 		if (kerr != KCGI_OK)
4366 			goto done;
4367 
4368 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4369 		    gw_trans->repo_name, "action", "briefs", "headref",
4370 		    refname, NULL);
4371 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4372 		    href_briefs, KATTR__MAX);
4373 		if (kerr != KCGI_OK)
4374 			goto done;
4375 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4376 		if (kerr != KCGI_OK)
4377 			goto done;
4378 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4379 		if (kerr != KCGI_OK)
4380 			goto done;
4381 
4382 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4383 		if (kerr != KCGI_OK)
4384 			goto done;
4385 
4386 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4387 		    gw_trans->repo_name, "action", "commits", "headref",
4388 		    refname, NULL),
4389 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4390 		    href_commits, KATTR__MAX);
4391 		if (kerr != KCGI_OK)
4392 			goto done;
4393 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4394 		if (kerr != KCGI_OK)
4395 			goto done;
4396 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4397 		if (kerr != KCGI_OK)
4398 			goto done;
4399 
4400 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4401 		    "dotted_line", KATTR__MAX);
4402 		if (kerr != KCGI_OK)
4403 			goto done;
4404 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4405 		if (kerr != KCGI_OK)
4406 			goto done;
4407 		free(href_summary);
4408 		href_summary = NULL;
4409 		free(href_briefs);
4410 		href_briefs = NULL;
4411 		free(href_commits);
4412 		href_commits = NULL;
4413 	}
4414 done:
4415 	got_ref_list_free(&refs);
4416 	free(href_summary);
4417 	free(href_briefs);
4418 	free(href_commits);
4419 	return error;
4420 }
4421 
4422 static const struct got_error *
4423 gw_output_site_link(struct gw_trans *gw_trans)
4424 {
4425 	const struct got_error *error = NULL;
4426 	char *href_summary = NULL;
4427 	enum kcgi_err kerr = KCGI_OK;
4428 
4429 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4430 	    "site_link", KATTR__MAX);
4431 	if (kerr != KCGI_OK)
4432 		goto done;
4433 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4434 	    KATTR__MAX);
4435 	if (kerr != KCGI_OK)
4436 		goto done;
4437 	kerr = khtml_puts(gw_trans->gw_html_req,
4438 	   gw_trans->gw_conf->got_site_link);
4439 	if (kerr != KCGI_OK)
4440 		goto done;
4441 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4442 	if (kerr != KCGI_OK)
4443 		goto done;
4444 
4445 	if (gw_trans->repo_name != NULL) {
4446 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4447 		if (kerr != KCGI_OK)
4448 			goto done;
4449 
4450 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4451 		    gw_trans->repo_name, "action", "summary", NULL),
4452 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4453 		    href_summary, KATTR__MAX);
4454 		if (kerr != KCGI_OK)
4455 			goto done;
4456 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4457 		if (kerr != KCGI_OK)
4458 			goto done;
4459 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4460 		if (kerr != KCGI_OK)
4461 			goto done;
4462 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4463 		    gw_get_action_name(gw_trans));
4464 		if (kerr != KCGI_OK)
4465 			goto done;
4466 	}
4467 
4468 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4469 	if (kerr != KCGI_OK)
4470 		goto done;
4471 done:
4472 	free(href_summary);
4473 	if (error == NULL && kerr != KCGI_OK)
4474 		error = gw_kcgi_error(kerr);
4475 	return error;
4476 }
4477 
4478 static const struct got_error *
4479 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4480 {
4481 	const struct got_error *error = NULL;
4482 	char *color = NULL;
4483 	enum kcgi_err kerr = KCGI_OK;
4484 
4485 	if (strncmp(buf, "-", 1) == 0)
4486 		color = "diff_minus";
4487 	else if (strncmp(buf, "+", 1) == 0)
4488 		color = "diff_plus";
4489 	else if (strncmp(buf, "@@", 2) == 0)
4490 		color = "diff_chunk_header";
4491 	else if (strncmp(buf, "@@", 2) == 0)
4492 		color = "diff_chunk_header";
4493 	else if (strncmp(buf, "commit +", 8) == 0)
4494 		color = "diff_meta";
4495 	else if (strncmp(buf, "commit -", 8) == 0)
4496 		color = "diff_meta";
4497 	else if (strncmp(buf, "blob +", 6) == 0)
4498 		color = "diff_meta";
4499 	else if (strncmp(buf, "blob -", 6) == 0)
4500 		color = "diff_meta";
4501 	else if (strncmp(buf, "file +", 6) == 0)
4502 		color = "diff_meta";
4503 	else if (strncmp(buf, "file -", 6) == 0)
4504 		color = "diff_meta";
4505 	else if (strncmp(buf, "from:", 5) == 0)
4506 		color = "diff_author";
4507 	else if (strncmp(buf, "via:", 4) == 0)
4508 		color = "diff_author";
4509 	else if (strncmp(buf, "date:", 5) == 0)
4510 		color = "diff_date";
4511 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4512 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4513 	if (error == NULL && kerr != KCGI_OK)
4514 		error = gw_kcgi_error(kerr);
4515 	return error;
4516 }
4517 
4518 int
4519 main(int argc, char *argv[])
4520 {
4521 	const struct got_error *error = NULL;
4522 	struct gw_trans *gw_trans;
4523 	struct gw_dir *dir = NULL, *tdir;
4524 	const char *page = "index";
4525 	int gw_malloc = 1;
4526 	enum kcgi_err kerr = KCGI_OK;
4527 
4528 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4529 		errx(1, "malloc");
4530 
4531 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4532 		errx(1, "malloc");
4533 
4534 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4535 		errx(1, "malloc");
4536 
4537 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4538 		errx(1, "malloc");
4539 
4540 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4541 	if (kerr != KCGI_OK) {
4542 		error = gw_kcgi_error(kerr);
4543 		goto done;
4544 	}
4545 
4546 	if ((gw_trans->gw_conf =
4547 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
4548 		gw_malloc = 0;
4549 		error = got_error_from_errno("malloc");
4550 		goto done;
4551 	}
4552 
4553 	TAILQ_INIT(&gw_trans->gw_dirs);
4554 	TAILQ_INIT(&gw_trans->gw_headers);
4555 
4556 	gw_trans->action = -1;
4557 	gw_trans->page = 0;
4558 	gw_trans->repos_total = 0;
4559 	gw_trans->repo_path = NULL;
4560 	gw_trans->commit_id = NULL;
4561 	gw_trans->next_id = NULL;
4562 	gw_trans->next_prev_id = NULL;
4563 	gw_trans->prev_id = NULL;
4564 	gw_trans->prev_prev_id = NULL;
4565 	gw_trans->headref = GOT_REF_HEAD;
4566 	gw_trans->mime = KMIME_TEXT_HTML;
4567 	gw_trans->gw_tmpl->key = gw_templs;
4568 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4569 	gw_trans->gw_tmpl->arg = gw_trans;
4570 	gw_trans->gw_tmpl->cb = gw_template;
4571 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
4572 	if (error)
4573 		goto done;
4574 
4575 	error = gw_parse_querystring(gw_trans);
4576 	if (error)
4577 		goto done;
4578 
4579 	if (gw_trans->action == GW_BLOB)
4580 		error = gw_blob(gw_trans);
4581 	else
4582 		error = gw_display_index(gw_trans);
4583 done:
4584 	if (gw_malloc) {
4585 		free(gw_trans->gw_conf->got_repos_path);
4586 		free(gw_trans->gw_conf->got_site_name);
4587 		free(gw_trans->gw_conf->got_site_owner);
4588 		free(gw_trans->gw_conf->got_site_link);
4589 		free(gw_trans->gw_conf->got_logo);
4590 		free(gw_trans->gw_conf->got_logo_url);
4591 		free(gw_trans->gw_conf);
4592 		free(gw_trans->commit_id);
4593 		free(gw_trans->next_id);
4594 		free(gw_trans->next_prev_id);
4595 		free(gw_trans->prev_id);
4596 		free(gw_trans->prev_prev_id);
4597 		free(gw_trans->repo_path);
4598 		if (gw_trans->repo)
4599 			got_repo_close(gw_trans->repo);
4600 
4601 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4602 			free(dir->name);
4603 			free(dir->description);
4604 			free(dir->age);
4605 			free(dir->url);
4606 			free(dir->path);
4607 			free(dir);
4608 		}
4609 
4610 	}
4611 
4612 	khttp_free(gw_trans->gw_req);
4613 	return 0;
4614 }