1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/stat.h>
19 #include <sys/types.h>
20 
21 #include <ctype.h>
22 #include <dirent.h>
23 #include <err.h>
24 #include <errno.h>
25 #include <regex.h>
26 #include <sha1.h>
27 #include <stdarg.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include <got_error.h>
35 #include <got_object.h>
36 #include <got_reference.h>
37 #include <got_repository.h>
38 #include <got_path.h>
39 #include <got_cancel.h>
40 #include <got_worktree.h>
41 #include <got_diff.h>
42 #include <got_commit_graph.h>
43 #include <got_blame.h>
44 #include <got_privsep.h>
45 #include <got_opentemp.h>
46 
47 #include <kcgi.h>
48 #include <kcgihtml.h>
49 
50 #include "gotweb.h"
51 
52 #ifndef nitems
53 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
54 #endif
55 
56 struct gw_trans {
57 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
58 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
59 	struct got_repository	*repo;
60 	struct gw_dir		*gw_dir;
61 	struct gotweb_config	*gw_conf;
62 	struct ktemplate	*gw_tmpl;
63 	struct khtmlreq		*gw_html_req;
64 	struct kreq		*gw_req;
65 	const struct got_error	*error;
66 	const char		*repo_name;
67 	char			*repo_path;
68 	char			*commit_id;
69 	char			*next_id;
70 	char			*prev_id;
71 	const char		*repo_file;
72 	char			*repo_folder;
73 	const char		*headref;
74 	unsigned int		 action;
75 	unsigned int		 page;
76 	unsigned int		 repos_total;
77 	enum kmime		 mime;
78 };
79 
80 struct gw_header {
81 	TAILQ_ENTRY(gw_header)		 entry;
82 	struct got_reflist_head		 refs;
83 	char				*path;
84 
85 	char			*refs_str;
86 	char			*commit_id; /* id_str1 */
87 	char			*parent_id; /* id_str2 */
88 	char			*tree_id;
89 	char			*author;
90 	char			*committer;
91 	char			*commit_msg;
92 	time_t			 committer_time;
93 };
94 
95 struct gw_dir {
96 	TAILQ_ENTRY(gw_dir)	 entry;
97 	char			*name;
98 	char			*owner;
99 	char			*description;
100 	char			*url;
101 	char			*age;
102 	char			*path;
103 };
104 
105 enum gw_key {
106 	KEY_ACTION,
107 	KEY_COMMIT_ID,
108 	KEY_FILE,
109 	KEY_FOLDER,
110 	KEY_HEADREF,
111 	KEY_PAGE,
112 	KEY_PATH,
113 	KEY_PREV_ID,
114 	KEY__ZMAX
115 };
116 
117 enum gw_tmpl {
118 	TEMPL_CONTENT,
119 	TEMPL_HEAD,
120 	TEMPL_HEADER,
121 	TEMPL_SEARCH,
122 	TEMPL_SITEPATH,
123 	TEMPL_SITEOWNER,
124 	TEMPL_TITLE,
125 	TEMPL__MAX
126 };
127 
128 enum gw_ref_tm {
129 	TM_DIFF,
130 	TM_LONG,
131 };
132 
133 enum gw_tags_type {
134 	TAGBRIEF,
135 	TAGFULL,
136 };
137 
138 static const char *const gw_templs[TEMPL__MAX] = {
139 	"content",
140 	"head",
141 	"header",
142 	"search",
143 	"sitepath",
144 	"siteowner",
145 	"title",
146 };
147 
148 static const struct kvalid gw_keys[KEY__ZMAX] = {
149 	{ kvalid_stringne,	"action" },
150 	{ kvalid_stringne,	"commit" },
151 	{ kvalid_stringne,	"file" },
152 	{ kvalid_stringne,	"folder" },
153 	{ kvalid_stringne,	"headref" },
154 	{ kvalid_int,		"page" },
155 	{ kvalid_stringne,	"path" },
156 	{ kvalid_stringne,	"prev" },
157 };
158 
159 static struct gw_header		*gw_init_header(void);
160 
161 static void			 gw_free_header(struct gw_header *);
162 
163 static int			 gw_template(size_t, void *);
164 
165 static const struct got_error	*gw_error(struct gw_trans *);
166 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
167 static const struct got_error	*gw_get_repo_description(char **,
168 				    struct gw_trans *, char *);
169 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
170 				    char *);
171 static const struct got_error	*gw_get_time_str(char **, time_t, int);
172 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
173 				    char *, const char *, int);
174 static const struct got_error	*gw_output_file_blame(struct gw_trans *,
175 				    struct gw_header *);
176 static const struct got_error	*gw_output_blob_buf(struct gw_trans *,
177 				    struct gw_header *);
178 static const struct got_error	*gw_output_repo_tree(struct gw_trans *,
179 				    struct gw_header *);
180 static const struct got_error	*gw_output_diff(struct gw_trans *,
181 				    struct gw_header *);
182 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
183 				    struct gw_header *, int, int);
184 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
185 static const struct got_error	*gw_output_site_link(struct gw_trans *);
186 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
187 				    char *);
188 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
189 
190 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
191 				    char*);
192 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
193 				    char*);
194 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
195 				    const char *);
196 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
197 				    const char *);
198 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
199 				    const char *);
200 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
201 				    char *);
202 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
203 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
204 				    enum kmime);
205 static const struct got_error	*gw_display_index(struct gw_trans *);
206 static const struct got_error	*gw_get_header(struct gw_trans *,
207 				    struct gw_header *, int);
208 static const struct got_error	*gw_get_commits(struct gw_trans *,
209 				    struct gw_header *, int,
210 				    struct got_object_id *);
211 static const struct got_error	*gw_get_commit(struct gw_trans *,
212 				    struct gw_header *,
213 				    struct got_commit_object *,
214 				    struct got_object_id *);
215 static const struct got_error	*gw_apply_unveil(const char *);
216 static const struct got_error	*gw_blame_cb(void *, int, int,
217 				    struct got_commit_object *,
218 				    struct got_object_id *);
219 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
220 static const struct got_error	*gw_load_got_path(struct gw_trans *,
221 				    struct gw_dir *);
222 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
223 static const struct got_error	*gw_blame(struct gw_trans *);
224 static const struct got_error	*gw_blob(struct gw_trans *);
225 static const struct got_error	*gw_diff(struct gw_trans *);
226 static const struct got_error	*gw_index(struct gw_trans *);
227 static const struct got_error	*gw_commits(struct gw_trans *);
228 static const struct got_error	*gw_briefs(struct gw_trans *);
229 static const struct got_error	*gw_summary(struct gw_trans *);
230 static const struct got_error	*gw_tree(struct gw_trans *);
231 static const struct got_error	*gw_tag(struct gw_trans *);
232 static const struct got_error	*gw_tags(struct gw_trans *);
233 
234 struct gw_query_action {
235 	unsigned int		 func_id;
236 	const char		*func_name;
237 	const struct got_error	*(*func_main)(struct gw_trans *);
238 	char			*template;
239 };
240 
241 enum gw_query_actions {
242 	GW_BLAME,
243 	GW_BLOB,
244 	GW_BRIEFS,
245 	GW_COMMITS,
246 	GW_DIFF,
247 	GW_ERR,
248 	GW_INDEX,
249 	GW_SUMMARY,
250 	GW_TAG,
251 	GW_TAGS,
252 	GW_TREE,
253 };
254 
255 static const struct gw_query_action gw_query_funcs[] = {
256 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
257 	{ GW_BLOB,	"blob",		NULL,		NULL },
258 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
259 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
260 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
261 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
262 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
263 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
264 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
265 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
266 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
267 };
268 
269 static const char * 
270 gw_get_action_name(struct gw_trans *gw_trans)
271 {
272 	return gw_query_funcs[gw_trans->action].func_name;
273 }
274 
275 static const struct got_error *
276 gw_kcgi_error(enum kcgi_err kerr)
277 {
278 	if (kerr == KCGI_OK)
279 		return NULL;
280 
281 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
282 		return got_error(GOT_ERR_CANCELLED);
283 
284 	if (kerr == KCGI_ENOMEM)
285 		return got_error_set_errno(ENOMEM,
286 		    kcgi_strerror(kerr));
287 
288 	if (kerr == KCGI_ENFILE)
289 		return got_error_set_errno(ENFILE,
290 		    kcgi_strerror(kerr));
291 
292 	if (kerr == KCGI_EAGAIN)
293 		return got_error_set_errno(EAGAIN,
294 		    kcgi_strerror(kerr));
295 
296 	if (kerr == KCGI_FORM)
297 		return got_error_msg(GOT_ERR_IO,
298 		    kcgi_strerror(kerr));
299 
300 	return got_error_from_errno(kcgi_strerror(kerr));
301 }
302 
303 static const struct got_error *
304 gw_apply_unveil(const char *repo_path)
305 {
306 	const struct got_error *err;
307 
308 #ifdef PROFILE
309 	if (unveil("gmon.out", "rwc") != 0)
310 		return got_error_from_errno2("unveil", "gmon.out");
311 #endif
312 	if (repo_path && unveil(repo_path, "r") != 0)
313 		return got_error_from_errno2("unveil", repo_path);
314 
315 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
316 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
317 
318 	err = got_privsep_unveil_exec_helpers();
319 	if (err != NULL)
320 		return err;
321 
322 	if (unveil(NULL, NULL) != 0)
323 		return got_error_from_errno("unveil");
324 
325 	return NULL;
326 }
327 
328 static int
329 isbinary(const uint8_t *buf, size_t n)
330 {
331 	size_t i;
332 
333 	for (i = 0; i < n; i++)
334 		if (buf[i] == 0)
335 			return 1;
336 	return 0;
337 }
338 
339 static const struct got_error *
340 gw_blame(struct gw_trans *gw_trans)
341 {
342 	const struct got_error *error = NULL;
343 	struct gw_header *header = NULL;
344 	char *age = NULL;
345 	enum kcgi_err kerr = KCGI_OK;
346 
347 #ifndef PROFILE
348 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
349 	    NULL) == -1)
350 		return got_error_from_errno("pledge");
351 #endif
352 	if ((header = gw_init_header()) == NULL)
353 		return got_error_from_errno("malloc");
354 
355 	error = gw_apply_unveil(gw_trans->gw_dir->path);
356 	if (error)
357 		goto done;
358 
359 	/* check querystring */
360 	if (gw_trans->repo_file == NULL) {
361 		error = got_error_msg(GOT_ERR_QUERYSTRING,
362 		    "file required in querystring");
363 		goto done;
364 	}
365 	if (gw_trans->commit_id == NULL) {
366 		error = got_error_msg(GOT_ERR_QUERYSTRING,
367 		    "commit required in querystring");
368 		goto done;
369 	}
370 
371 	error = gw_get_header(gw_trans, header, 1);
372 	if (error)
373 		goto done;
374 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
375 	    "blame_header_wrapper", KATTR__MAX);
376 	if (kerr != KCGI_OK)
377 		goto done;
378 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
379 	    "blame_header", KATTR__MAX);
380 	if (kerr != KCGI_OK)
381 		goto done;
382 	error = gw_get_time_str(&age, header->committer_time,
383 	    TM_LONG);
384 	if (error)
385 		goto done;
386 	error = gw_gen_age_header(gw_trans, age ?age : "");
387 	if (error)
388 		goto done;
389 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
390 	if (error)
391 		goto done;
392 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
393 	if (kerr != KCGI_OK)
394 		goto done;
395 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
396 	    "dotted_line", KATTR__MAX);
397 	if (kerr != KCGI_OK)
398 		goto done;
399 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
400 	if (kerr != KCGI_OK)
401 		goto done;
402 
403 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
404 	    "blame", KATTR__MAX);
405 	if (kerr != KCGI_OK)
406 		goto done;
407 	error = gw_output_file_blame(gw_trans, header);
408 	if (error)
409 		goto done;
410 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
411 done:
412 	gw_free_header(header);
413 	if (error == NULL && kerr != KCGI_OK)
414 		error = gw_kcgi_error(kerr);
415 	return error;
416 }
417 
418 static const struct got_error *
419 gw_blob(struct gw_trans *gw_trans)
420 {
421 	const struct got_error *error = NULL, *err = NULL;
422 	struct gw_header *header = NULL;
423 	enum kcgi_err kerr = KCGI_OK;
424 
425 #ifndef PROFILE
426 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
427 	    NULL) == -1)
428 		return got_error_from_errno("pledge");
429 #endif
430 	if ((header = gw_init_header()) == NULL)
431 		return got_error_from_errno("malloc");
432 
433 	error = gw_apply_unveil(gw_trans->gw_dir->path);
434 	if (error)
435 		goto done;
436 
437 	/* check querystring */
438 	if (gw_trans->repo_file == NULL) {
439 		error = got_error_msg(GOT_ERR_QUERYSTRING,
440 		    "file required in querystring");
441 		goto done;
442 	}
443 	if (gw_trans->commit_id == NULL) {
444 		error = got_error_msg(GOT_ERR_QUERYSTRING,
445 		    "commit required in querystring");
446 		goto done;
447 	}
448 	error = gw_get_header(gw_trans, header, 1);
449 	if (error)
450 		goto done;
451 
452 	error = gw_output_blob_buf(gw_trans, header);
453 done:
454 
455 	if (error) {
456 		gw_trans->mime = KMIME_TEXT_PLAIN;
457 		err = gw_display_index(gw_trans);
458 		if (err) {
459 			error = err;
460 			goto errored;
461 		}
462 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
463 	}
464 errored:
465 	gw_free_header(header);
466 	if (error == NULL && kerr != KCGI_OK)
467 		error = gw_kcgi_error(kerr);
468 	return error;
469 }
470 
471 static const struct got_error *
472 gw_diff(struct gw_trans *gw_trans)
473 {
474 	const struct got_error *error = NULL;
475 	struct gw_header *header = NULL;
476 	char *age = NULL;
477 	enum kcgi_err kerr = KCGI_OK;
478 
479 #ifndef PROFILE
480 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
481 	    NULL) == -1)
482 		return got_error_from_errno("pledge");
483 #endif
484 	if ((header = gw_init_header()) == NULL)
485 		return got_error_from_errno("malloc");
486 
487 	error = gw_apply_unveil(gw_trans->gw_dir->path);
488 	if (error)
489 		goto done;
490 
491 	error = gw_get_header(gw_trans, header, 1);
492 	if (error)
493 		goto done;
494 
495 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
496 	    "diff_header_wrapper", KATTR__MAX);
497 	if (kerr != KCGI_OK)
498 		goto done;
499 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
500 	    "diff_header", KATTR__MAX);
501 	if (kerr != KCGI_OK)
502 		goto done;
503 	error = gw_gen_diff_header(gw_trans, header->parent_id,
504 	    header->commit_id);
505 	if (error)
506 		goto done;
507 	error = gw_gen_commit_header(gw_trans, header->commit_id,
508 	    header->refs_str);
509 	if (error)
510 		goto done;
511 	error = gw_gen_tree_header(gw_trans, header->tree_id);
512 	if (error)
513 		goto done;
514 	error = gw_gen_author_header(gw_trans, header->author);
515 	if (error)
516 		goto done;
517 	error = gw_gen_committer_header(gw_trans, header->author);
518 	if (error)
519 		goto done;
520 	error = gw_get_time_str(&age, header->committer_time,
521 	    TM_LONG);
522 	if (error)
523 		goto done;
524 	error = gw_gen_age_header(gw_trans, age ?age : "");
525 	if (error)
526 		goto done;
527 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
528 	if (error)
529 		goto done;
530 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
531 	if (kerr != KCGI_OK)
532 		goto done;
533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
534 	    "dotted_line", KATTR__MAX);
535 	if (kerr != KCGI_OK)
536 		goto done;
537 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
538 	if (kerr != KCGI_OK)
539 		goto done;
540 
541 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
542 	    "diff", KATTR__MAX);
543 	if (kerr != KCGI_OK)
544 		goto done;
545 	error = gw_output_diff(gw_trans, header);
546 	if (error)
547 		goto done;
548 
549 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
550 done:
551 	gw_free_header(header);
552 	free(age);
553 	if (error == NULL && kerr != KCGI_OK)
554 		error = gw_kcgi_error(kerr);
555 	return error;
556 }
557 
558 static const struct got_error *
559 gw_index(struct gw_trans *gw_trans)
560 {
561 	const struct got_error *error = NULL;
562 	struct gw_dir *gw_dir = NULL;
563 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
564 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
565 	char *href_tags = NULL;
566 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
567 	enum kcgi_err kerr = KCGI_OK;
568 
569 #ifndef PROFILE
570 	if (pledge("stdio rpath proc exec sendfd unveil",
571 	    NULL) == -1) {
572 		error = got_error_from_errno("pledge");
573 		return error;
574 	}
575 #endif
576 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
577 	if (error)
578 		return error;
579 
580 	error = gw_load_got_paths(gw_trans);
581 	if (error)
582 		return error;
583 
584 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
585 	    "index_header", KATTR__MAX);
586 	if (kerr != KCGI_OK)
587 		return gw_kcgi_error(kerr);
588 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
589 	    "index_header_project", KATTR__MAX);
590 	if (kerr != KCGI_OK)
591 		return gw_kcgi_error(kerr);
592 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
593 	if (kerr != KCGI_OK)
594 		return gw_kcgi_error(kerr);
595 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
596 	if (kerr != KCGI_OK)
597 		return gw_kcgi_error(kerr);
598 
599 	if (gw_trans->gw_conf->got_show_repo_description) {
600 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
601 		    "index_header_description", KATTR__MAX);
602 		if (kerr != KCGI_OK)
603 			return gw_kcgi_error(kerr);
604 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
605 		if (kerr != KCGI_OK)
606 			return gw_kcgi_error(kerr);
607 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
608 		if (kerr != KCGI_OK)
609 			return gw_kcgi_error(kerr);
610 	}
611 
612 	if (gw_trans->gw_conf->got_show_repo_owner) {
613 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
614 		    "index_header_owner", KATTR__MAX);
615 		if (kerr != KCGI_OK)
616 			return gw_kcgi_error(kerr);
617 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
618 		if (kerr != KCGI_OK)
619 			return gw_kcgi_error(kerr);
620 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
621 		if (kerr != KCGI_OK)
622 			return gw_kcgi_error(kerr);
623 	}
624 
625 	if (gw_trans->gw_conf->got_show_repo_age) {
626 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
627 		    "index_header_age", KATTR__MAX);
628 		if (kerr != KCGI_OK)
629 			return gw_kcgi_error(kerr);
630 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
631 		if (kerr != KCGI_OK)
632 			return gw_kcgi_error(kerr);
633 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
634 		if (kerr != KCGI_OK)
635 			return gw_kcgi_error(kerr);
636 	}
637 
638 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
639 	if (kerr != KCGI_OK)
640 		return gw_kcgi_error(kerr);
641 
642 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
643 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
644 		    "index_wrapper", KATTR__MAX);
645 		if (kerr != KCGI_OK)
646 			return gw_kcgi_error(kerr);
647 		kerr = khtml_printf(gw_trans->gw_html_req,
648 		    "No repositories found in %s",
649 		    gw_trans->gw_conf->got_repos_path);
650 		if (kerr != KCGI_OK)
651 			return gw_kcgi_error(kerr);
652 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
653 		if (kerr != KCGI_OK)
654 			return gw_kcgi_error(kerr);
655 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
656 		    "dotted_line", KATTR__MAX);
657 		if (kerr != KCGI_OK)
658 			return gw_kcgi_error(kerr);
659 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
660 		if (kerr != KCGI_OK)
661 			return gw_kcgi_error(kerr);
662 		return error;
663 	}
664 
665 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
666 		dir_c++;
667 
668 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
669 		if (gw_trans->page > 0 && (gw_trans->page *
670 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
671 			prev_disp++;
672 			continue;
673 		}
674 
675 		prev_disp++;
676 
677 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
678 		    "index_wrapper", KATTR__MAX);
679 		if (kerr != KCGI_OK)
680 			goto done;
681 
682 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
683 		    gw_dir->name, "action", "summary", NULL);
684 		if (href_summary == NULL) {
685 			error = got_error_from_errno("khttp_urlpart");
686 			goto done;
687 		}
688 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
689 		    "index_project", KATTR__MAX);
690 		if (kerr != KCGI_OK)
691 			goto done;
692 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
693 		    href_summary, KATTR__MAX);
694 		if (kerr != KCGI_OK)
695 			goto done;
696 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
697 		if (kerr != KCGI_OK)
698 			goto done;
699 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
700 		if (kerr != KCGI_OK)
701 			goto done;
702 		if (gw_trans->gw_conf->got_show_repo_description) {
703 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
704 			    KATTR_ID, "index_project_description", KATTR__MAX);
705 			if (kerr != KCGI_OK)
706 				goto done;
707 			kerr = khtml_puts(gw_trans->gw_html_req,
708 			    gw_dir->description ? gw_dir->description : "");
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_owner) {
716 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
717 			    KATTR_ID, "index_project_owner", KATTR__MAX);
718 			if (kerr != KCGI_OK)
719 				goto done;
720 			kerr = khtml_puts(gw_trans->gw_html_req,
721 			    gw_dir->owner ? gw_dir->owner : "");
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 		if (gw_trans->gw_conf->got_show_repo_age) {
729 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
730 			    KATTR_ID, "index_project_age", KATTR__MAX);
731 			if (kerr != KCGI_OK)
732 				goto done;
733 			kerr = khtml_puts(gw_trans->gw_html_req,
734 			    gw_dir->age ? gw_dir->age : "");
735 			if (kerr != KCGI_OK)
736 				goto done;
737 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
738 			if (kerr != KCGI_OK)
739 				goto done;
740 		}
741 
742 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
743 		    "navs_wrapper", KATTR__MAX);
744 		if (kerr != KCGI_OK)
745 			goto done;
746 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
747 		    "navs", KATTR__MAX);
748 		if (kerr != KCGI_OK)
749 			goto done;
750 
751 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
752 		    href_summary, KATTR__MAX);
753 		if (kerr != KCGI_OK)
754 			goto done;
755 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
756 		if (kerr != KCGI_OK)
757 			goto done;
758 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
759 		if (kerr != KCGI_OK)
760 			goto done;
761 
762 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
763 		if (kerr != KCGI_OK)
764 			goto done;
765 
766 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
767 		    gw_dir->name, "action", "briefs", NULL);
768 		if (href_briefs == NULL) {
769 			error = got_error_from_errno("khttp_urlpart");
770 			goto done;
771 		}
772 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
773 		    href_briefs, KATTR__MAX);
774 		if (kerr != KCGI_OK)
775 			goto done;
776 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
777 		if (kerr != KCGI_OK)
778 			goto done;
779 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
780 		if (kerr != KCGI_OK)
781 			error = gw_kcgi_error(kerr);
782 
783 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
784 		if (kerr != KCGI_OK)
785 			goto done;
786 
787 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
788 		    gw_dir->name, "action", "commits", NULL);
789 		if (href_commits == NULL) {
790 			error = got_error_from_errno("khttp_urlpart");
791 			goto done;
792 		}
793 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
794 		    href_commits, KATTR__MAX);
795 		if (kerr != KCGI_OK)
796 			goto done;
797 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
798 		if (kerr != KCGI_OK)
799 			goto done;
800 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
801 		if (kerr != KCGI_OK)
802 			goto done;
803 
804 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
805 		if (kerr != KCGI_OK)
806 			goto done;
807 
808 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
809 		    gw_dir->name, "action", "tags", NULL);
810 		if (href_tags == NULL) {
811 			error = got_error_from_errno("khttp_urlpart");
812 			goto done;
813 		}
814 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
815 		    href_tags, KATTR__MAX);
816 		if (kerr != KCGI_OK)
817 			goto done;
818 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
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 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
826 		if (kerr != KCGI_OK)
827 			goto done;
828 
829 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
830 		    gw_dir->name, "action", "tree", NULL);
831 		if (href_tree == NULL) {
832 			error = got_error_from_errno("khttp_urlpart");
833 			goto done;
834 		}
835 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
836 		    href_tree, KATTR__MAX);
837 		if (kerr != KCGI_OK)
838 			goto done;
839 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
840 		if (kerr != KCGI_OK)
841 			goto done;
842 
843 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
844 		if (kerr != KCGI_OK)
845 			goto done;
846 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
847 		    "dotted_line", KATTR__MAX);
848 		if (kerr != KCGI_OK)
849 			goto done;
850 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
851 		if (kerr != KCGI_OK)
852 			goto done;
853 
854 		free(href_summary);
855 		href_summary = NULL;
856 		free(href_briefs);
857 		href_briefs = NULL;
858 		free(href_commits);
859 		href_commits = NULL;
860 		free(href_tags);
861 		href_tags = NULL;
862 		free(href_tree);
863 		href_tree = NULL;
864 
865 		if (gw_trans->gw_conf->got_max_repos_display == 0)
866 			continue;
867 
868 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
869 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
870 		    (gw_trans->page > 0) &&
871 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
872 		    prev_disp == gw_trans->repos_total))) {
873 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
874 			    KATTR_ID, "np_wrapper", KATTR__MAX);
875 			if (kerr != KCGI_OK)
876 				goto done;
877 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
878 			    KATTR_ID, "nav_prev", KATTR__MAX);
879 			if (kerr != KCGI_OK)
880 				goto done;
881 		}
882 
883 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
884 		    (gw_trans->page > 0) &&
885 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
886 		    prev_disp == gw_trans->repos_total)) {
887 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
888 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
889 			if (href_prev == NULL) {
890 				error = got_error_from_errno("khttp_urlpartx");
891 				goto done;
892 			}
893 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
894 			    KATTR_HREF, href_prev, KATTR__MAX);
895 			if (kerr != KCGI_OK)
896 				goto done;
897 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
898 			if (kerr != KCGI_OK)
899 				goto done;
900 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
901 			if (kerr != KCGI_OK)
902 				goto done;
903 		}
904 
905 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
906 		if (kerr != KCGI_OK)
907 			return gw_kcgi_error(kerr);
908 
909 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
910 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
911 		    dir_c != (gw_trans->page + 1) *
912 		    gw_trans->gw_conf->got_max_repos_display) {
913 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
914 			    KATTR_ID, "nav_next", KATTR__MAX);
915 			if (kerr != KCGI_OK)
916 				goto done;
917 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
918 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
919 			if (href_next == NULL) {
920 				error = got_error_from_errno("khttp_urlpartx");
921 				goto done;
922 			}
923 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
924 			    KATTR_HREF, href_next, KATTR__MAX);
925 			if (kerr != KCGI_OK)
926 				goto done;
927 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
928 			if (kerr != KCGI_OK)
929 				goto done;
930 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
931 			if (kerr != KCGI_OK)
932 				goto done;
933 			next_disp = 0;
934 			break;
935 		}
936 
937 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
938 		    (gw_trans->page > 0) &&
939 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
940 		    prev_disp == gw_trans->repos_total)) {
941 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
942 			if (kerr != KCGI_OK)
943 				goto done;
944 		}
945 		next_disp++;
946 	}
947 done:
948 	free(href_prev);
949 	free(href_next);
950 	free(href_summary);
951 	free(href_briefs);
952 	free(href_commits);
953 	free(href_tags);
954 	free(href_tree);
955 	if (error == NULL && kerr != KCGI_OK)
956 		error = gw_kcgi_error(kerr);
957 	return error;
958 }
959 
960 static const struct got_error *
961 gw_commits(struct gw_trans *gw_trans)
962 {
963 	const struct got_error *error = NULL;
964 	struct gw_header *header = NULL, *n_header = NULL;
965 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
966 	char *href_prev = NULL, *href_next = NULL;
967 	enum kcgi_err kerr = KCGI_OK;
968 	int commit_found = 0;
969 
970 	if ((header = gw_init_header()) == NULL)
971 		return got_error_from_errno("malloc");
972 
973 #ifndef PROFILE
974 	if (pledge("stdio rpath proc exec sendfd unveil",
975 	    NULL) == -1) {
976 		error = got_error_from_errno("pledge");
977 		goto done;
978 	}
979 #endif
980 	error = gw_apply_unveil(gw_trans->gw_dir->path);
981 	if (error)
982 		goto done;
983 
984 	error = gw_get_header(gw_trans, header,
985 	    gw_trans->gw_conf->got_max_commits_display);
986 	if (error)
987 		goto done;
988 
989 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
990 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
991 			if (strcmp(gw_trans->commit_id,
992 			    n_header->commit_id) != 0)
993 				continue;
994 			else
995 				commit_found = 1;
996 		}
997 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
998 		    "commits_line_wrapper", KATTR__MAX);
999 		if (kerr != KCGI_OK)
1000 			goto done;
1001 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
1002 		    n_header->refs_str);
1003 		if (error)
1004 			goto done;
1005 		error = gw_gen_author_header(gw_trans, n_header->author);
1006 		if (error)
1007 			goto done;
1008 		error = gw_gen_committer_header(gw_trans, n_header->author);
1009 		if (error)
1010 			goto done;
1011 		error = gw_get_time_str(&age, n_header->committer_time,
1012 		    TM_LONG);
1013 		if (error)
1014 			goto done;
1015 		error = gw_gen_age_header(gw_trans, age ?age : "");
1016 		if (error)
1017 			goto done;
1018 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1019 		if (kerr != KCGI_OK)
1020 			goto done;
1021 
1022 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1023 		    "dotted_line", KATTR__MAX);
1024 		if (kerr != KCGI_OK)
1025 			goto done;
1026 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1027 		if (kerr != KCGI_OK)
1028 			goto done;
1029 
1030 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1031 		    "commit", KATTR__MAX);
1032 		if (kerr != KCGI_OK)
1033 			goto done;
1034 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1035 		if (kerr != KCGI_OK)
1036 			goto done;
1037 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1038 		if (kerr != KCGI_OK)
1039 			goto done;
1040 
1041 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1042 		    gw_trans->repo_name, "action", "diff", "commit",
1043 		    n_header->commit_id, NULL);
1044 		if (href_diff == NULL) {
1045 			error = got_error_from_errno("khttp_urlpart");
1046 			goto done;
1047 		}
1048 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1049 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1050 		if (kerr != KCGI_OK)
1051 			goto done;
1052 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1053 		    KATTR_ID, "navs", KATTR__MAX);
1054 		if (kerr != KCGI_OK)
1055 			goto done;
1056 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1057 		    KATTR_HREF, href_diff, KATTR__MAX);
1058 		if (kerr != KCGI_OK)
1059 			goto done;
1060 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1061 		if (kerr != KCGI_OK)
1062 			goto done;
1063 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1064 		if (kerr != KCGI_OK)
1065 			goto done;
1066 
1067 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1068 		if (kerr != KCGI_OK)
1069 			goto done;
1070 
1071 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1072 		    gw_trans->repo_name, "action", "tree", "commit",
1073 		    n_header->commit_id, NULL);
1074 		if (href_tree == NULL) {
1075 			error = got_error_from_errno("khttp_urlpart");
1076 			goto done;
1077 		}
1078 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1079 		    KATTR_HREF, href_tree, KATTR__MAX);
1080 		if (kerr != KCGI_OK)
1081 			goto done;
1082 		khtml_puts(gw_trans->gw_html_req, "tree");
1083 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1084 		if (kerr != KCGI_OK)
1085 			goto done;
1086 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1087 		if (kerr != KCGI_OK)
1088 			goto done;
1089 
1090 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1091 		    "solid_line", KATTR__MAX);
1092 		if (kerr != KCGI_OK)
1093 			goto done;
1094 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1095 		if (kerr != KCGI_OK)
1096 			goto done;
1097 
1098 		free(age);
1099 		age = NULL;
1100 	}
1101 
1102 	if (gw_trans->next_id || gw_trans->prev_id) {
1103 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1104 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1105 		if (kerr != KCGI_OK)
1106 			goto done;
1107 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1108 		    KATTR_ID, "nav_prev", KATTR__MAX);
1109 		if (kerr != KCGI_OK)
1110 			goto done;
1111 	}
1112 
1113 	if (gw_trans->prev_id) {
1114 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1115 		    KATTRX_STRING, gw_trans->repo_name, "page",
1116 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1117 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1118 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1119 		if (href_prev == NULL) {
1120 			error = got_error_from_errno("khttp_urlpartx");
1121 			goto done;
1122 		}
1123 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1124 		    KATTR_HREF, href_prev, KATTR__MAX);
1125 		if (kerr != KCGI_OK)
1126 			goto done;
1127 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1128 		if (kerr != KCGI_OK)
1129 			goto done;
1130 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1131 		if (kerr != KCGI_OK)
1132 			goto done;
1133 	}
1134 
1135 	if (gw_trans->next_id || gw_trans->page > 0) {
1136 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1137 		if (kerr != KCGI_OK)
1138 			return gw_kcgi_error(kerr);
1139 	}
1140 
1141 	if (gw_trans->next_id) {
1142 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1143 		    KATTR_ID, "nav_next", KATTR__MAX);
1144 		if (kerr != KCGI_OK)
1145 			goto done;
1146 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1147 		    KATTRX_STRING, gw_trans->repo_name, "page",
1148 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1149 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1150 		    gw_trans->next_id, NULL);
1151 		if (href_next == NULL) {
1152 			error = got_error_from_errno("khttp_urlpartx");
1153 			goto done;
1154 		}
1155 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1156 		    KATTR_HREF, href_next, KATTR__MAX);
1157 		if (kerr != KCGI_OK)
1158 			goto done;
1159 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1160 		if (kerr != KCGI_OK)
1161 			goto done;
1162 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1163 		if (kerr != KCGI_OK)
1164 			goto done;
1165 	}
1166 
1167 	if (gw_trans->next_id || gw_trans->page > 0) {
1168 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1169 		if (kerr != KCGI_OK)
1170 			goto done;
1171 	}
1172 done:
1173 	gw_free_header(header);
1174 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1175 		gw_free_header(n_header);
1176 	free(age);
1177 	free(href_next);
1178 	free(href_prev);
1179 	free(href_diff);
1180 	free(href_tree);
1181 	if (error == NULL && kerr != KCGI_OK)
1182 		error = gw_kcgi_error(kerr);
1183 	return error;
1184 }
1185 
1186 static const struct got_error *
1187 gw_briefs(struct gw_trans *gw_trans)
1188 {
1189 	const struct got_error *error = NULL;
1190 	struct gw_header *header = NULL, *n_header = NULL;
1191 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1192 	char *href_prev = NULL, *href_next = NULL;
1193 	char *newline, *smallerthan;
1194 	enum kcgi_err kerr = KCGI_OK;
1195 	int commit_found = 0;
1196 
1197 	if ((header = gw_init_header()) == NULL)
1198 		return got_error_from_errno("malloc");
1199 
1200 #ifndef PROFILE
1201 	if (pledge("stdio rpath proc exec sendfd unveil",
1202 	    NULL) == -1) {
1203 		error = got_error_from_errno("pledge");
1204 		goto done;
1205 	}
1206 #endif
1207 	if (gw_trans->action != GW_SUMMARY) {
1208 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1209 		if (error)
1210 			goto done;
1211 	}
1212 
1213 	if (gw_trans->action == GW_SUMMARY)
1214 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1215 	else
1216 		error = gw_get_header(gw_trans, header,
1217 		    gw_trans->gw_conf->got_max_commits_display);
1218 	if (error)
1219 		goto done;
1220 
1221 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1222 		if (commit_found == 0 && gw_trans->commit_id != NULL) {
1223 			if (strcmp(gw_trans->commit_id,
1224 			    n_header->commit_id) != 0)
1225 				continue;
1226 			else
1227 				commit_found = 1;
1228 		}
1229 		error = gw_get_time_str(&age, n_header->committer_time,
1230 		    TM_DIFF);
1231 		if (error)
1232 			goto done;
1233 
1234 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1235 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1236 		if (kerr != KCGI_OK)
1237 			goto done;
1238 
1239 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1240 		    KATTR_ID, "briefs_age", KATTR__MAX);
1241 		if (kerr != KCGI_OK)
1242 			goto done;
1243 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1244 		if (kerr != KCGI_OK)
1245 			goto done;
1246 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1247 		if (kerr != KCGI_OK)
1248 			goto done;
1249 
1250 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1251 		    KATTR_ID, "briefs_author", KATTR__MAX);
1252 		if (kerr != KCGI_OK)
1253 			goto done;
1254 		smallerthan = strchr(n_header->author, '<');
1255 		if (smallerthan)
1256 			*smallerthan = '\0';
1257 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1258 		if (kerr != KCGI_OK)
1259 			goto done;
1260 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1261 		if (kerr != KCGI_OK)
1262 			goto done;
1263 
1264 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1265 		    gw_trans->repo_name, "action", "diff", "commit",
1266 		    n_header->commit_id, NULL);
1267 		if (href_diff == NULL) {
1268 			error = got_error_from_errno("khttp_urlpart");
1269 			goto done;
1270 		}
1271 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1272 		    KATTR_ID, "briefs_log", KATTR__MAX);
1273 		if (kerr != KCGI_OK)
1274 			goto done;
1275 		newline = strchr(n_header->commit_msg, '\n');
1276 		if (newline)
1277 			*newline = '\0';
1278 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1279 		    KATTR_HREF, href_diff, KATTR__MAX);
1280 		if (kerr != KCGI_OK)
1281 			goto done;
1282 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1283 		if (kerr != KCGI_OK)
1284 			goto done;
1285 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1286 		if (kerr != KCGI_OK)
1287 			goto done;
1288 
1289 		if (n_header->refs_str) {
1290 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1291 			if (kerr != KCGI_OK)
1292 				goto done;
1293 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1294 			    KATTR_ID, "refs_str", KATTR__MAX);
1295 			if (kerr != KCGI_OK)
1296 			goto done;
1297 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1298 			    n_header->refs_str);
1299 			if (kerr != KCGI_OK)
1300 				goto done;
1301 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1302 			if (kerr != KCGI_OK)
1303 				goto done;
1304 		}
1305 
1306 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1307 		if (kerr != KCGI_OK)
1308 			goto done;
1309 
1310 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1311 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1312 		if (kerr != KCGI_OK)
1313 			goto done;
1314 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1315 		    KATTR_ID, "navs", KATTR__MAX);
1316 		if (kerr != KCGI_OK)
1317 			goto done;
1318 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1319 		    KATTR_HREF, href_diff, KATTR__MAX);
1320 		if (kerr != KCGI_OK)
1321 			goto done;
1322 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1323 		if (kerr != KCGI_OK)
1324 			goto done;
1325 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1326 		if (kerr != KCGI_OK)
1327 			goto done;
1328 
1329 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1330 		if (kerr != KCGI_OK)
1331 			goto done;
1332 
1333 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1334 		    gw_trans->repo_name, "action", "tree", "commit",
1335 		    n_header->commit_id, NULL);
1336 		if (href_tree == NULL) {
1337 			error = got_error_from_errno("khttp_urlpart");
1338 			goto done;
1339 		}
1340 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1341 		    KATTR_HREF, href_tree, KATTR__MAX);
1342 		if (kerr != KCGI_OK)
1343 			goto done;
1344 		khtml_puts(gw_trans->gw_html_req, "tree");
1345 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1346 		if (kerr != KCGI_OK)
1347 			goto done;
1348 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1349 		if (kerr != KCGI_OK)
1350 			goto done;
1351 
1352 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1353 		    KATTR_ID, "dotted_line", KATTR__MAX);
1354 		if (kerr != KCGI_OK)
1355 			goto done;
1356 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1357 		if (kerr != KCGI_OK)
1358 			goto done;
1359 
1360 		free(age);
1361 		age = NULL;
1362 		free(href_diff);
1363 		href_diff = NULL;
1364 		free(href_tree);
1365 		href_tree = NULL;
1366 	}
1367 
1368 	if (gw_trans->next_id || gw_trans->prev_id) {
1369 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1370 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1371 		if (kerr != KCGI_OK)
1372 			goto done;
1373 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1374 		    KATTR_ID, "nav_prev", KATTR__MAX);
1375 		if (kerr != KCGI_OK)
1376 			goto done;
1377 	}
1378 
1379 	if (gw_trans->prev_id) {
1380 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1381 		    KATTRX_STRING, gw_trans->repo_name, "page",
1382 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1383 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1384 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1385 		if (href_prev == NULL) {
1386 			error = got_error_from_errno("khttp_urlpartx");
1387 			goto done;
1388 		}
1389 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1390 		    KATTR_HREF, href_prev, KATTR__MAX);
1391 		if (kerr != KCGI_OK)
1392 			goto done;
1393 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1394 		if (kerr != KCGI_OK)
1395 			goto done;
1396 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1397 		if (kerr != KCGI_OK)
1398 			goto done;
1399 	}
1400 
1401 	if (gw_trans->next_id || gw_trans->page > 0) {
1402 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1403 		if (kerr != KCGI_OK)
1404 			return gw_kcgi_error(kerr);
1405 	}
1406 
1407 	if (gw_trans->next_id) {
1408 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1409 		    KATTR_ID, "nav_next", KATTR__MAX);
1410 		if (kerr != KCGI_OK)
1411 			goto done;
1412 
1413 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1414 		    KATTRX_STRING, gw_trans->repo_name, "page",
1415 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1416 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1417 		    gw_trans->next_id, NULL);
1418 		if (href_next == NULL) {
1419 			error = got_error_from_errno("khttp_urlpartx");
1420 			goto done;
1421 		}
1422 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1423 		    KATTR_HREF, href_next, KATTR__MAX);
1424 		if (kerr != KCGI_OK)
1425 			goto done;
1426 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1427 		if (kerr != KCGI_OK)
1428 			goto done;
1429 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1430 		if (kerr != KCGI_OK)
1431 			goto done;
1432 	}
1433 
1434 	if (gw_trans->next_id || gw_trans->page > 0) {
1435 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1436 		if (kerr != KCGI_OK)
1437 			goto done;
1438 	}
1439 done:
1440 	gw_free_header(header);
1441 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1442 		gw_free_header(n_header);
1443 	free(age);
1444 	free(href_next);
1445 	free(href_prev);
1446 	free(href_diff);
1447 	free(href_tree);
1448 	if (error == NULL && kerr != KCGI_OK)
1449 		error = gw_kcgi_error(kerr);
1450 	return error;
1451 }
1452 
1453 static const struct got_error *
1454 gw_summary(struct gw_trans *gw_trans)
1455 {
1456 	const struct got_error *error = NULL;
1457 	char *age = NULL;
1458 	enum kcgi_err kerr = KCGI_OK;
1459 
1460 #ifndef PROFILE
1461 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1462 		return got_error_from_errno("pledge");
1463 #endif
1464 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1465 	if (error)
1466 		goto done;
1467 
1468 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1469 	    "summary_wrapper", KATTR__MAX);
1470 	if (kerr != KCGI_OK)
1471 		return gw_kcgi_error(kerr);
1472 
1473 	if (gw_trans->gw_conf->got_show_repo_description &&
1474 	    gw_trans->gw_dir->description != NULL &&
1475 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1476 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1477 		    KATTR_ID, "description_title", KATTR__MAX);
1478 		if (kerr != KCGI_OK)
1479 			goto done;
1480 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1481 		if (kerr != KCGI_OK)
1482 			goto done;
1483 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1484 		if (kerr != KCGI_OK)
1485 			goto done;
1486 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1487 		    KATTR_ID, "description", KATTR__MAX);
1488 		if (kerr != KCGI_OK)
1489 			goto done;
1490 		kerr = khtml_puts(gw_trans->gw_html_req,
1491 		    gw_trans->gw_dir->description);
1492 		if (kerr != KCGI_OK)
1493 			goto done;
1494 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1495 		if (kerr != KCGI_OK)
1496 			goto done;
1497 	}
1498 
1499 	if (gw_trans->gw_conf->got_show_repo_owner &&
1500 	    gw_trans->gw_dir->owner != NULL &&
1501 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1502 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1503 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1504 		if (kerr != KCGI_OK)
1505 			goto done;
1506 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1507 		if (kerr != KCGI_OK)
1508 			goto done;
1509 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1510 		if (kerr != KCGI_OK)
1511 			goto done;
1512 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1513 		    KATTR_ID, "repo_owner", KATTR__MAX);
1514 		if (kerr != KCGI_OK)
1515 			goto done;
1516 		kerr = khtml_puts(gw_trans->gw_html_req,
1517 		    gw_trans->gw_dir->owner);
1518 		if (kerr != KCGI_OK)
1519 			goto done;
1520 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1521 		if (kerr != KCGI_OK)
1522 			goto done;
1523 	}
1524 
1525 	if (gw_trans->gw_conf->got_show_repo_age) {
1526 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1527 		    NULL, TM_LONG);
1528 		if (error)
1529 			goto done;
1530 		if (age != NULL) {
1531 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1532 			    KATTR_ID, "last_change_title", KATTR__MAX);
1533 			if (kerr != KCGI_OK)
1534 				goto done;
1535 			kerr = khtml_puts(gw_trans->gw_html_req,
1536 			    "Last Change: ");
1537 			if (kerr != KCGI_OK)
1538 				goto done;
1539 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1540 			if (kerr != KCGI_OK)
1541 				goto done;
1542 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1543 			    KATTR_ID, "last_change", KATTR__MAX);
1544 			if (kerr != KCGI_OK)
1545 				goto done;
1546 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1547 			if (kerr != KCGI_OK)
1548 				goto done;
1549 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1550 			if (kerr != KCGI_OK)
1551 				goto done;
1552 		}
1553 	}
1554 
1555 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1556 	    gw_trans->gw_dir->url != NULL &&
1557 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1558 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1559 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1560 		if (kerr != KCGI_OK)
1561 			goto done;
1562 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1563 		if (kerr != KCGI_OK)
1564 			goto done;
1565 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1566 		if (kerr != KCGI_OK)
1567 			goto done;
1568 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1569 		    KATTR_ID, "cloneurl", KATTR__MAX);
1570 		if (kerr != KCGI_OK)
1571 			goto done;
1572 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1573 		if (kerr != KCGI_OK)
1574 			goto done;
1575 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1576 		if (kerr != KCGI_OK)
1577 			goto done;
1578 	}
1579 
1580 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1581 	if (kerr != KCGI_OK)
1582 		goto done;
1583 
1584 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1585 	    "briefs_title_wrapper", KATTR__MAX);
1586 	if (kerr != KCGI_OK)
1587 		goto done;
1588 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1589 	    "briefs_title", KATTR__MAX);
1590 	if (kerr != KCGI_OK)
1591 		goto done;
1592 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1593 	if (kerr != KCGI_OK)
1594 		goto done;
1595 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1596 	if (kerr != KCGI_OK)
1597 		goto done;
1598 	error = gw_briefs(gw_trans);
1599 	if (error)
1600 		goto done;
1601 
1602 	error = gw_tags(gw_trans);
1603 	if (error)
1604 		goto done;
1605 
1606 	error = gw_output_repo_heads(gw_trans);
1607 done:
1608 	free(age);
1609 	if (error == NULL && kerr != KCGI_OK)
1610 		error = gw_kcgi_error(kerr);
1611 	return error;
1612 }
1613 
1614 static const struct got_error *
1615 gw_tree(struct gw_trans *gw_trans)
1616 {
1617 	const struct got_error *error = NULL;
1618 	struct gw_header *header = NULL;
1619 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1620 	char *age = NULL;
1621 	enum kcgi_err kerr = KCGI_OK;
1622 
1623 #ifndef PROFILE
1624 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1625 		return got_error_from_errno("pledge");
1626 #endif
1627 	if ((header = gw_init_header()) == NULL)
1628 		return got_error_from_errno("malloc");
1629 
1630 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1631 	if (error)
1632 		goto done;
1633 
1634 	error = gw_get_header(gw_trans, header, 1);
1635 	if (error)
1636 		goto done;
1637 
1638 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1639 	    "tree_header_wrapper", KATTR__MAX);
1640 	if (kerr != KCGI_OK)
1641 		goto done;
1642 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1643 	    "tree_header", KATTR__MAX);
1644 	if (kerr != KCGI_OK)
1645 		goto done;
1646 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1647 	if (error)
1648 		goto done;
1649 	error = gw_get_time_str(&age, header->committer_time,
1650 	    TM_LONG);
1651 	if (error)
1652 		goto done;
1653 	error = gw_gen_age_header(gw_trans, age ?age : "");
1654 	if (error)
1655 		goto done;
1656 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1657 	if (error)
1658 		goto done;
1659 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1660 	if (kerr != KCGI_OK)
1661 		goto done;
1662 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1663 	    "dotted_line", KATTR__MAX);
1664 	if (kerr != KCGI_OK)
1665 		goto done;
1666 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1667 	if (kerr != KCGI_OK)
1668 		goto done;
1669 
1670 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1671 	    "tree", KATTR__MAX);
1672 	if (kerr != KCGI_OK)
1673 		goto done;
1674 	error = gw_output_repo_tree(gw_trans, header);
1675 	if (error)
1676 		goto done;
1677 
1678 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1679 done:
1680 	gw_free_header(header);
1681 	free(tree_html_disp);
1682 	free(tree_html);
1683 	free(tree);
1684 	free(age);
1685 	if (error == NULL && kerr != KCGI_OK)
1686 		error = gw_kcgi_error(kerr);
1687 	return error;
1688 }
1689 
1690 static const struct got_error *
1691 gw_tags(struct gw_trans *gw_trans)
1692 {
1693 	const struct got_error *error = NULL;
1694 	struct gw_header *header = NULL;
1695 	char *href_next = NULL, *href_prev = NULL;
1696 	enum kcgi_err kerr = KCGI_OK;
1697 
1698 #ifndef PROFILE
1699 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1700 		return got_error_from_errno("pledge");
1701 #endif
1702 	if ((header = gw_init_header()) == NULL)
1703 		return got_error_from_errno("malloc");
1704 
1705 	if (gw_trans->action != GW_SUMMARY) {
1706 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1707 		if (error)
1708 			goto done;
1709 	}
1710 
1711 	error = gw_get_header(gw_trans, header, 1);
1712 	if (error)
1713 		goto done;
1714 
1715 	if (gw_trans->action == GW_SUMMARY) {
1716 		gw_trans->next_id = NULL;
1717 		error = gw_output_repo_tags(gw_trans, header,
1718 		    D_MAXSLCOMMDISP, TAGBRIEF);
1719 		if (error)
1720 			goto done;
1721 	} else {
1722 		error = gw_output_repo_tags(gw_trans, header,
1723 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1724 		if (error)
1725 			goto done;
1726 	}
1727 
1728 	if (gw_trans->next_id || gw_trans->page > 0) {
1729 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1730 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1731 		if (kerr != KCGI_OK)
1732 			goto done;
1733 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1734 		    KATTR_ID, "nav_prev", KATTR__MAX);
1735 		if (kerr != KCGI_OK)
1736 			goto done;
1737 	}
1738 
1739 	if (gw_trans->prev_id) {
1740 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1741 		    KATTRX_STRING, gw_trans->repo_name, "page",
1742 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1743 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1744 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1745 		if (href_prev == NULL) {
1746 			error = got_error_from_errno("khttp_urlpartx");
1747 			goto done;
1748 		}
1749 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1750 		    KATTR_HREF, href_prev, KATTR__MAX);
1751 		if (kerr != KCGI_OK)
1752 			goto done;
1753 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1754 		if (kerr != KCGI_OK)
1755 			goto done;
1756 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1757 		if (kerr != KCGI_OK)
1758 			goto done;
1759 	}
1760 
1761 	if (gw_trans->next_id || gw_trans->page > 0) {
1762 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1763 		if (kerr != KCGI_OK)
1764 			return gw_kcgi_error(kerr);
1765 	}
1766 
1767 	if (gw_trans->next_id) {
1768 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1769 		    KATTR_ID, "nav_next", KATTR__MAX);
1770 		if (kerr != KCGI_OK)
1771 			goto done;
1772 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1773 		    KATTRX_STRING, gw_trans->repo_name, "page",
1774 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1775 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1776 		    gw_trans->next_id, NULL);
1777 		if (href_next == NULL) {
1778 			error = got_error_from_errno("khttp_urlpartx");
1779 			goto done;
1780 		}
1781 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1782 		    KATTR_HREF, href_next, KATTR__MAX);
1783 		if (kerr != KCGI_OK)
1784 			goto done;
1785 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1786 		if (kerr != KCGI_OK)
1787 			goto done;
1788 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1789 		if (kerr != KCGI_OK)
1790 			goto done;
1791 	}
1792 
1793 	if (gw_trans->next_id || gw_trans->page > 0) {
1794 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1795 		if (kerr != KCGI_OK)
1796 			goto done;
1797 	}
1798 done:
1799 	gw_free_header(header);
1800 	free(href_next);
1801 	free(href_prev);
1802 	if (error == NULL && kerr != KCGI_OK)
1803 		error = gw_kcgi_error(kerr);
1804 	return error;
1805 }
1806 
1807 static const struct got_error *
1808 gw_tag(struct gw_trans *gw_trans)
1809 {
1810 	const struct got_error *error = NULL;
1811 	struct gw_header *header = NULL;
1812 	enum kcgi_err kerr = KCGI_OK;
1813 
1814 #ifndef PROFILE
1815 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1816 		return got_error_from_errno("pledge");
1817 #endif
1818 	if ((header = gw_init_header()) == NULL)
1819 		return got_error_from_errno("malloc");
1820 
1821 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1822 	if (error)
1823 		goto done;
1824 
1825 	if (gw_trans->commit_id == NULL) {
1826 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1827 		    "commit required in querystring");
1828 		goto done;
1829 	}
1830 
1831 	error = gw_get_header(gw_trans, header, 1);
1832 	if (error)
1833 		goto done;
1834 
1835 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1836 	    "tag_header_wrapper", KATTR__MAX);
1837 	if (kerr != KCGI_OK)
1838 		goto done;
1839 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1840 	    "tag_header", KATTR__MAX);
1841 	if (kerr != KCGI_OK)
1842 		goto done;
1843 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1844 	    header->refs_str);
1845 	if (error)
1846 		goto done;
1847 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1848 	if (error)
1849 		goto done;
1850 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1851 	if (kerr != KCGI_OK)
1852 		goto done;
1853 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1854 	    "dotted_line", KATTR__MAX);
1855 	if (kerr != KCGI_OK)
1856 		goto done;
1857 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1858 	if (kerr != KCGI_OK)
1859 		goto done;
1860 
1861 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1862 	    "tree", KATTR__MAX);
1863 	if (kerr != KCGI_OK)
1864 		goto done;
1865 
1866 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1867 	if (error)
1868 		goto done;
1869 
1870 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1871 done:
1872 	gw_free_header(header);
1873 	if (error == NULL && kerr != KCGI_OK)
1874 		error = gw_kcgi_error(kerr);
1875 	return error;
1876 }
1877 
1878 static const struct got_error *
1879 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1880 {
1881 	const struct got_error *error = NULL;
1882 	DIR *dt;
1883 	char *dir_test;
1884 	int opened = 0;
1885 
1886 	if (asprintf(&dir_test, "%s/%s/%s",
1887 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1888 	    GOTWEB_GIT_DIR) == -1)
1889 		return got_error_from_errno("asprintf");
1890 
1891 	dt = opendir(dir_test);
1892 	if (dt == NULL) {
1893 		free(dir_test);
1894 	} else {
1895 		gw_dir->path = strdup(dir_test);
1896 		if (gw_dir->path == NULL) {
1897 			opened = 1;
1898 			error = got_error_from_errno("strdup");
1899 			goto errored;
1900 		}
1901 		opened = 1;
1902 		goto done;
1903 	}
1904 
1905 	if (asprintf(&dir_test, "%s/%s/%s",
1906 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1907 	    GOTWEB_GOT_DIR) == -1) {
1908 		dir_test = NULL;
1909 		error = got_error_from_errno("asprintf");
1910 		goto errored;
1911 	}
1912 
1913 	dt = opendir(dir_test);
1914 	if (dt == NULL)
1915 		free(dir_test);
1916 	else {
1917 		opened = 1;
1918 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1919 		goto errored;
1920 	}
1921 
1922 	if (asprintf(&dir_test, "%s/%s",
1923 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1924 		error = got_error_from_errno("asprintf");
1925 		dir_test = NULL;
1926 		goto errored;
1927 	}
1928 
1929 	gw_dir->path = strdup(dir_test);
1930 	if (gw_dir->path == NULL) {
1931 		opened = 1;
1932 		error = got_error_from_errno("strdup");
1933 		goto errored;
1934 	}
1935 
1936 	dt = opendir(dir_test);
1937 	if (dt == NULL) {
1938 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1939 		goto errored;
1940 	} else
1941 		opened = 1;
1942 done:
1943 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1944 	    gw_dir->path);
1945 	if (error)
1946 		goto errored;
1947 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1948 	if (error)
1949 		goto errored;
1950 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1951 	    NULL, TM_DIFF);
1952 	if (error)
1953 		goto errored;
1954 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1955 errored:
1956 	free(dir_test);
1957 	if (opened)
1958 		if (dt && closedir(dt) == -1 && error == NULL)
1959 			error = got_error_from_errno("closedir");
1960 	return error;
1961 }
1962 
1963 static const struct got_error *
1964 gw_load_got_paths(struct gw_trans *gw_trans)
1965 {
1966 	const struct got_error *error = NULL;
1967 	DIR *d;
1968 	struct dirent **sd_dent;
1969 	struct gw_dir *gw_dir;
1970 	struct stat st;
1971 	unsigned int d_cnt, d_i;
1972 
1973 	d = opendir(gw_trans->gw_conf->got_repos_path);
1974 	if (d == NULL) {
1975 		error = got_error_from_errno2("opendir",
1976 		    gw_trans->gw_conf->got_repos_path);
1977 		return error;
1978 	}
1979 
1980 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1981 	    alphasort);
1982 	if (d_cnt == -1) {
1983 		error = got_error_from_errno2("scandir",
1984 		    gw_trans->gw_conf->got_repos_path);
1985 		goto done;
1986 	}
1987 
1988 	for (d_i = 0; d_i < d_cnt; d_i++) {
1989 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1990 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1991 			break; /* account for parent and self */
1992 
1993 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1994 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1995 			continue;
1996 
1997 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1998 		if (error)
1999 			goto done;
2000 
2001 		error = gw_load_got_path(gw_trans, gw_dir);
2002 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
2003 			error = NULL;
2004 			continue;
2005 		} else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
2006 			goto done;
2007 
2008 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2009 		    !got_path_dir_is_empty(gw_dir->path)) {
2010 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2011 			    entry);
2012 			gw_trans->repos_total++;
2013 		}
2014 	}
2015 done:
2016 	if (d && closedir(d) == -1 && error == NULL)
2017 		error = got_error_from_errno("closedir");
2018 	return error;
2019 }
2020 
2021 static const struct got_error *
2022 gw_parse_querystring(struct gw_trans *gw_trans)
2023 {
2024 	const struct got_error *error = NULL;
2025 	struct kpair *p;
2026 	const struct gw_query_action *action = NULL;
2027 	unsigned int i;
2028 
2029 	if (gw_trans->gw_req->fieldnmap[0]) {
2030 		return got_error(GOT_ERR_QUERYSTRING);
2031 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2032 		/* define gw_trans->repo_path */
2033 		gw_trans->repo_name = p->parsed.s;
2034 
2035 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2036 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2037 			return got_error_from_errno("asprintf");
2038 
2039 		/* get action and set function */
2040 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2041 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2042 				action = &gw_query_funcs[i];
2043 				if (action->func_name == NULL)
2044 					continue;
2045 				if (strcmp(action->func_name,
2046 				    p->parsed.s) == 0) {
2047 					gw_trans->action = i;
2048 					break;
2049 				}
2050 			}
2051 		}
2052 		if (gw_trans->action == -1) {
2053 			gw_trans->action = GW_ERR;
2054 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2055 			    p != NULL ? "bad action in querystring" :
2056 			    "no action in querystring");
2057 			return error;
2058 		}
2059 
2060 		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2061 			if (asprintf(&gw_trans->commit_id, "%s",
2062 			    p->parsed.s) == -1)
2063 				return got_error_from_errno("asprintf");
2064 		}
2065 
2066 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2067 			gw_trans->repo_file = p->parsed.s;
2068 
2069 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2070 			if (asprintf(&gw_trans->repo_folder, "%s",
2071 			    p->parsed.s) == -1)
2072 				return got_error_from_errno("asprintf");
2073 		}
2074 
2075 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2076 			if (asprintf(&gw_trans->prev_id, "%s",
2077 			    p->parsed.s) == -1)
2078 				return got_error_from_errno("asprintf");
2079 		}
2080 
2081 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2082 			gw_trans->headref = p->parsed.s;
2083 
2084 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2085 		if (error)
2086 			return error;
2087 
2088 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2089 	} else
2090 		gw_trans->action = GW_INDEX;
2091 
2092 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2093 		gw_trans->page = p->parsed.i;
2094 
2095 	return error;
2096 }
2097 
2098 static const struct got_error *
2099 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2100 {
2101 	const struct got_error *error;
2102 
2103 	*gw_dir = malloc(sizeof(**gw_dir));
2104 	if (*gw_dir == NULL)
2105 		return got_error_from_errno("malloc");
2106 
2107 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2108 		error = got_error_from_errno("asprintf");
2109 		free(*gw_dir);
2110 		*gw_dir = NULL;
2111 		return error;
2112 	}
2113 
2114 	return NULL;
2115 }
2116 
2117 static const struct got_error *
2118 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2119 {
2120 	enum kcgi_err kerr = KCGI_OK;
2121 
2122 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2123 	if (kerr != KCGI_OK)
2124 		return gw_kcgi_error(kerr);
2125 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2126 	    khttps[code]);
2127 	if (kerr != KCGI_OK)
2128 		return gw_kcgi_error(kerr);
2129 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2130 	    kmimetypes[mime]);
2131 	if (kerr != KCGI_OK)
2132 		return gw_kcgi_error(kerr);
2133 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2134 	    "nosniff");
2135 	if (kerr != KCGI_OK)
2136 		return gw_kcgi_error(kerr);
2137 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2138 	if (kerr != KCGI_OK)
2139 		return gw_kcgi_error(kerr);
2140 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2141 	    "1; mode=block");
2142 	if (kerr != KCGI_OK)
2143 		return gw_kcgi_error(kerr);
2144 
2145 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2146 		kerr = khttp_head(gw_trans->gw_req,
2147 		    kresps[KRESP_CONTENT_DISPOSITION],
2148 		    "attachment; filename=%s", gw_trans->repo_file);
2149 		if (kerr != KCGI_OK)
2150 			return gw_kcgi_error(kerr);
2151 	}
2152 
2153 	kerr = khttp_body(gw_trans->gw_req);
2154 	return gw_kcgi_error(kerr);
2155 }
2156 
2157 static const struct got_error *
2158 gw_display_index(struct gw_trans *gw_trans)
2159 {
2160 	const struct got_error *error;
2161 	enum kcgi_err kerr = KCGI_OK;
2162 
2163 	/* catch early querystring errors */
2164 	if (gw_trans->error)
2165 		gw_trans->action = GW_ERR;
2166 
2167 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2168 	if (error)
2169 		return error;
2170 
2171 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2172 	if (kerr != KCGI_OK)
2173 		return gw_kcgi_error(kerr);
2174 
2175 	if (gw_trans->action != GW_BLOB) {
2176 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2177 		    gw_query_funcs[gw_trans->action].template);
2178 		if (kerr != KCGI_OK) {
2179 			khtml_close(gw_trans->gw_html_req);
2180 			return gw_kcgi_error(kerr);
2181 		}
2182 	}
2183 
2184 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2185 }
2186 
2187 static const struct got_error *
2188 gw_error(struct gw_trans *gw_trans)
2189 {
2190 	enum kcgi_err kerr = KCGI_OK;
2191 
2192 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2193 
2194 	return gw_kcgi_error(kerr);
2195 }
2196 
2197 static int
2198 gw_template(size_t key, void *arg)
2199 {
2200 	const struct got_error *error = NULL;
2201 	enum kcgi_err kerr = KCGI_OK;
2202 	struct gw_trans *gw_trans = arg;
2203 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2204 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2205 
2206 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2207 	    "/apple-touch-icon.png") == -1)
2208 		goto err;
2209 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2210 	    "/favicon-32x32.png") == -1)
2211 		goto err;
2212 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2213 	    "/favicon-16x16.png") == -1)
2214 		goto err;
2215 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2216 	    "/site.webmanifest") == -1)
2217 		goto err;
2218 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2219 	    "/safari-pinned-tab.svg") == -1)
2220 		goto err;
2221 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2222 	    "/gotweb.css") == -1)
2223 		goto err;
2224 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2225 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2226 	    gw_trans->gw_conf->got_logo) == -1)
2227 		goto err;
2228 
2229 	switch (key) {
2230 	case (TEMPL_HEAD):
2231 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2232 		    KATTR_NAME, "viewport",
2233 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2234 		    KATTR__MAX);
2235 		if (kerr != KCGI_OK)
2236 			return 0;
2237 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2238 		if (kerr != KCGI_OK)
2239 			return 0;
2240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2241 		    KATTR_CHARSET, "utf-8",
2242 		    KATTR__MAX);
2243 		if (kerr != KCGI_OK)
2244 			return 0;
2245 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2246 		if (kerr != KCGI_OK)
2247 			return 0;
2248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2249 		    KATTR_NAME, "msapplication-TileColor",
2250 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2251 		if (kerr != KCGI_OK)
2252 			return 0;
2253 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2257 		    KATTR_NAME, "theme-color",
2258 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2259 		if (kerr != KCGI_OK)
2260 			return 0;
2261 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2262 		if (kerr != KCGI_OK)
2263 			return 0;
2264 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2265 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2266 		    KATTR_HREF, ati, KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2273 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2274 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2275 		if (kerr != KCGI_OK)
2276 			return 0;
2277 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2278 		if (kerr != KCGI_OK)
2279 			return 0;
2280 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2281 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2282 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2283 		if (kerr != KCGI_OK)
2284 			return 0;
2285 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2286 		if (kerr != KCGI_OK)
2287 			return 0;
2288 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2289 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2290 		    KATTR__MAX);
2291 		if (kerr != KCGI_OK)
2292 			return 0;
2293 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2294 		if (kerr != KCGI_OK)
2295 			return 0;
2296 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2297 		    KATTR_REL, "mask-icon", KATTR_HREF,
2298 		    spt, KATTR__MAX);
2299 		if (kerr != KCGI_OK)
2300 			return 0;
2301 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2302 		if (kerr != KCGI_OK)
2303 			return 0;
2304 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2305 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2306 		    KATTR_HREF, css, KATTR__MAX);
2307 		if (kerr != KCGI_OK)
2308 			return 0;
2309 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2310 		if (kerr != KCGI_OK)
2311 			return 0;
2312 		break;
2313 	case(TEMPL_HEADER):
2314 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2315 		    KATTR_ID, "got_link", KATTR__MAX);
2316 		if (kerr != KCGI_OK)
2317 			return 0;
2318 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2319 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2320 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2321 		if (kerr != KCGI_OK)
2322 			return 0;
2323 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2324 		    KATTR_SRC, logo, KATTR__MAX);
2325 		if (kerr != KCGI_OK)
2326 			return 0;
2327 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2328 		if (kerr != KCGI_OK)
2329 			return 0;
2330 		break;
2331 	case (TEMPL_SITEPATH):
2332 		error = gw_output_site_link(gw_trans);
2333 		if (error)
2334 			return 0;
2335 		break;
2336 	case(TEMPL_TITLE):
2337 		if (gw_trans->gw_conf->got_site_name != NULL) {
2338 			kerr = khtml_puts(gw_trans->gw_html_req,
2339 			    gw_trans->gw_conf->got_site_name);
2340 			if (kerr != KCGI_OK)
2341 				return 0;
2342 		}
2343 		break;
2344 	case (TEMPL_SEARCH):
2345 		break;
2346 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2347 		    "search", KATTR__MAX);
2348 		if (kerr != KCGI_OK)
2349 			return 0;
2350 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2351 			    KATTR_METHOD, "POST", KATTR__MAX);
2352 		if (kerr != KCGI_OK)
2353 			return 0;
2354 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2355 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2356 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2357 		if (kerr != KCGI_OK)
2358 			return 0;
2359 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2360 		    KATTR__MAX);
2361 		if (kerr != KCGI_OK)
2362 			return 0;
2363 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2364 		if (kerr != KCGI_OK)
2365 			return 0;
2366 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2367 		if (kerr != KCGI_OK)
2368 			return 0;
2369 		break;
2370 	case(TEMPL_SITEOWNER):
2371 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2372 		    gw_trans->gw_conf->got_show_site_owner) {
2373 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2374 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2375 			if (kerr != KCGI_OK)
2376 				return 0;
2377 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2378 			    KATTR_ID, "site_owner", KATTR__MAX);
2379 			if (kerr != KCGI_OK)
2380 				return 0;
2381 			kerr = khtml_puts(gw_trans->gw_html_req,
2382 			    gw_trans->gw_conf->got_site_owner);
2383 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2384 			if (kerr != KCGI_OK)
2385 				return 0;
2386 		}
2387 		break;
2388 	case(TEMPL_CONTENT):
2389 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2390 		if (error) {
2391 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2392 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2393 			if (kerr != KCGI_OK)
2394 				return 0;
2395 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2396 			    error->msg);
2397 			if (kerr != KCGI_OK)
2398 				return 0;
2399 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2400 			if (kerr != KCGI_OK)
2401 				return 0;
2402 		}
2403 		break;
2404 	default:
2405 		return 0;
2406 	}
2407 	free(ati);
2408 	free(fic32);
2409 	free(fic16);
2410 	free(swm);
2411 	free(spt);
2412 	free(css);
2413 	free(logo);
2414 	return 1;
2415 err:
2416 	free(ati);
2417 	free(fic32);
2418 	free(fic16);
2419 	free(swm);
2420 	free(spt);
2421 	free(css);
2422 	free(logo);
2423 	return 0;
2424 }
2425 
2426 static const struct got_error *
2427 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2428 {
2429 	const struct got_error *error = NULL;
2430 	enum kcgi_err kerr = KCGI_OK;
2431 
2432 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2433 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2434 	if (kerr != KCGI_OK)
2435 		goto done;
2436 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2440 	if (kerr != KCGI_OK)
2441 		goto done;
2442 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2443 	    KATTR_ID, "header_commit", KATTR__MAX);
2444 	if (kerr != KCGI_OK)
2445 		goto done;
2446 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	if (str2 != NULL) {
2450 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2451 		    KATTR_ID, "refs_str", KATTR__MAX);
2452 		if (kerr != KCGI_OK)
2453 			goto done;
2454 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2455 		if (kerr != KCGI_OK)
2456 			goto done;
2457 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2458 		if (kerr != KCGI_OK)
2459 			goto done;
2460 	}
2461 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2462 done:
2463 	if (error == NULL && kerr != KCGI_OK)
2464 		error = gw_kcgi_error(kerr);
2465 	return error;
2466 }
2467 
2468 static const struct got_error *
2469 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2470 {
2471 	const struct got_error *error = NULL;
2472 	enum kcgi_err kerr = KCGI_OK;
2473 
2474 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2475 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2476 	if (kerr != KCGI_OK)
2477 		goto done;
2478 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2479 	if (kerr != KCGI_OK)
2480 		goto done;
2481 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2482 	if (kerr != KCGI_OK)
2483 		goto done;
2484 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2485 	    KATTR_ID, "header_diff", KATTR__MAX);
2486 	if (kerr != KCGI_OK)
2487 		goto done;
2488 	if (str1 != NULL) {
2489 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2490 		if (kerr != KCGI_OK)
2491 			goto done;
2492 	}
2493 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2494 	if (kerr != KCGI_OK)
2495 		goto done;
2496 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2500 done:
2501 	if (error == NULL && kerr != KCGI_OK)
2502 		error = gw_kcgi_error(kerr);
2503 	return error;
2504 }
2505 
2506 static const struct got_error *
2507 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2508 {
2509 	const struct got_error *error = NULL;
2510 	enum kcgi_err kerr = KCGI_OK;
2511 
2512 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2513 	    KATTR_ID, "header_age_title", KATTR__MAX);
2514 	if (kerr != KCGI_OK)
2515 		goto done;
2516 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2517 	if (kerr != KCGI_OK)
2518 		goto done;
2519 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2520 	if (kerr != KCGI_OK)
2521 		goto done;
2522 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2523 	    KATTR_ID, "header_age", KATTR__MAX);
2524 	if (kerr != KCGI_OK)
2525 		goto done;
2526 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2530 done:
2531 	if (error == NULL && kerr != KCGI_OK)
2532 		error = gw_kcgi_error(kerr);
2533 	return error;
2534 }
2535 
2536 static const struct got_error *
2537 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2538 {
2539 	const struct got_error *error = NULL;
2540 	enum kcgi_err kerr = KCGI_OK;
2541 
2542 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2543 	    KATTR_ID, "header_author_title", KATTR__MAX);
2544 	if (kerr != KCGI_OK)
2545 		goto done;
2546 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2547 	if (kerr != KCGI_OK)
2548 		goto done;
2549 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2550 	if (kerr != KCGI_OK)
2551 		goto done;
2552 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2553 	    KATTR_ID, "header_author", KATTR__MAX);
2554 	if (kerr != KCGI_OK)
2555 		goto done;
2556 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2557 	if (kerr != KCGI_OK)
2558 		goto done;
2559 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2560 done:
2561 	if (error == NULL && kerr != KCGI_OK)
2562 		error = gw_kcgi_error(kerr);
2563 	return error;
2564 }
2565 
2566 static const struct got_error *
2567 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2568 {
2569 	const struct got_error *error = NULL;
2570 	enum kcgi_err kerr = KCGI_OK;
2571 
2572 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2573 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2574 	if (kerr != KCGI_OK)
2575 		goto done;
2576 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2577 	if (kerr != KCGI_OK)
2578 		goto done;
2579 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2580 	if (kerr != KCGI_OK)
2581 		goto done;
2582 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2583 	    KATTR_ID, "header_committer", KATTR__MAX);
2584 	if (kerr != KCGI_OK)
2585 		goto done;
2586 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2587 	if (kerr != KCGI_OK)
2588 		goto done;
2589 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2590 done:
2591 	if (error == NULL && kerr != KCGI_OK)
2592 		error = gw_kcgi_error(kerr);
2593 	return error;
2594 }
2595 
2596 static const struct got_error *
2597 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2598 {
2599 	const struct got_error *error = NULL;
2600 	enum kcgi_err kerr = KCGI_OK;
2601 
2602 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2603 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2604 	if (kerr != KCGI_OK)
2605 		goto done;
2606 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2607 	if (kerr != KCGI_OK)
2608 		goto done;
2609 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2610 	if (kerr != KCGI_OK)
2611 		goto done;
2612 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2613 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2614 	if (kerr != KCGI_OK)
2615 		goto done;
2616 	kerr = khttp_puts(gw_trans->gw_req, str);
2617 	if (kerr != KCGI_OK)
2618 		goto done;
2619 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2620 done:
2621 	if (error == NULL && kerr != KCGI_OK)
2622 		error = gw_kcgi_error(kerr);
2623 	return error;
2624 }
2625 
2626 static const struct got_error *
2627 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2628 {
2629 	const struct got_error *error = NULL;
2630 	enum kcgi_err kerr = KCGI_OK;
2631 
2632 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2633 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2634 	if (kerr != KCGI_OK)
2635 		goto done;
2636 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2637 	if (kerr != KCGI_OK)
2638 		goto done;
2639 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2640 	if (kerr != KCGI_OK)
2641 		goto done;
2642 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2643 	    KATTR_ID, "header_tree", KATTR__MAX);
2644 	if (kerr != KCGI_OK)
2645 		goto done;
2646 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2647 	if (kerr != KCGI_OK)
2648 		goto done;
2649 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2650 done:
2651 	if (error == NULL && kerr != KCGI_OK)
2652 		error = gw_kcgi_error(kerr);
2653 	return error;
2654 }
2655 
2656 static const struct got_error *
2657 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2658     char *dir)
2659 {
2660 	const struct got_error *error = NULL;
2661 	FILE *f = NULL;
2662 	char *d_file = NULL;
2663 	unsigned int len;
2664 	size_t n;
2665 
2666 	*description = NULL;
2667 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2668 		return NULL;
2669 
2670 	if (asprintf(&d_file, "%s/description", dir) == -1)
2671 		return got_error_from_errno("asprintf");
2672 
2673 	f = fopen(d_file, "re");
2674 	if (f == NULL) {
2675 		if (errno == ENOENT || errno == EACCES)
2676 			return NULL;
2677 		error = got_error_from_errno2("fopen", d_file);
2678 		goto done;
2679 	}
2680 
2681 	if (fseek(f, 0, SEEK_END) == -1) {
2682 		error = got_ferror(f, GOT_ERR_IO);
2683 		goto done;
2684 	}
2685 	len = ftell(f);
2686 	if (len == -1) {
2687 		error = got_ferror(f, GOT_ERR_IO);
2688 		goto done;
2689 	}
2690 	if (fseek(f, 0, SEEK_SET) == -1) {
2691 		error = got_ferror(f, GOT_ERR_IO);
2692 		goto done;
2693 	}
2694 	*description = calloc(len + 1, sizeof(**description));
2695 	if (*description == NULL) {
2696 		error = got_error_from_errno("calloc");
2697 		goto done;
2698 	}
2699 
2700 	n = fread(*description, 1, len, f);
2701 	if (n == 0 && ferror(f))
2702 		error = got_ferror(f, GOT_ERR_IO);
2703 done:
2704 	if (f != NULL && fclose(f) == EOF && error == NULL)
2705 		error = got_error_from_errno("fclose");
2706 	free(d_file);
2707 	return error;
2708 }
2709 
2710 static const struct got_error *
2711 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2712 {
2713 	struct tm tm;
2714 	time_t diff_time;
2715 	char *years = "years ago", *months = "months ago";
2716 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2717 	char *minutes = "minutes ago", *seconds = "seconds ago";
2718 	char *now = "right now";
2719 	char *s;
2720 	char datebuf[29];
2721 
2722 	*repo_age = NULL;
2723 
2724 	switch (ref_tm) {
2725 	case TM_DIFF:
2726 		diff_time = time(NULL) - committer_time;
2727 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2728 			if (asprintf(repo_age, "%lld %s",
2729 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2730 				return got_error_from_errno("asprintf");
2731 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2732 			if (asprintf(repo_age, "%lld %s",
2733 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2734 			    months) == -1)
2735 				return got_error_from_errno("asprintf");
2736 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2737 			if (asprintf(repo_age, "%lld %s",
2738 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2739 				return got_error_from_errno("asprintf");
2740 		} else if (diff_time > 60 * 60 * 24 * 2) {
2741 			if (asprintf(repo_age, "%lld %s",
2742 			    (diff_time / 60 / 60 / 24), days) == -1)
2743 				return got_error_from_errno("asprintf");
2744 		} else if (diff_time > 60 * 60 * 2) {
2745 			if (asprintf(repo_age, "%lld %s",
2746 			    (diff_time / 60 / 60), hours) == -1)
2747 				return got_error_from_errno("asprintf");
2748 		} else if (diff_time > 60 * 2) {
2749 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2750 			    minutes) == -1)
2751 				return got_error_from_errno("asprintf");
2752 		} else if (diff_time > 2) {
2753 			if (asprintf(repo_age, "%lld %s", diff_time,
2754 			    seconds) == -1)
2755 				return got_error_from_errno("asprintf");
2756 		} else {
2757 			if (asprintf(repo_age, "%s", now) == -1)
2758 				return got_error_from_errno("asprintf");
2759 		}
2760 		break;
2761 	case TM_LONG:
2762 		if (gmtime_r(&committer_time, &tm) == NULL)
2763 			return got_error_from_errno("gmtime_r");
2764 
2765 		s = asctime_r(&tm, datebuf);
2766 		if (s == NULL)
2767 			return got_error_from_errno("asctime_r");
2768 
2769 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2770 			return got_error_from_errno("asprintf");
2771 		break;
2772 	}
2773 	return NULL;
2774 }
2775 
2776 static const struct got_error *
2777 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2778     const char *refname, int ref_tm)
2779 {
2780 	const struct got_error *error = NULL;
2781 	struct got_repository *repo = NULL;
2782 	struct got_commit_object *commit = NULL;
2783 	struct got_reflist_head refs;
2784 	struct got_reflist_entry *re;
2785 	time_t committer_time = 0, cmp_time = 0;
2786 
2787 	*repo_age = NULL;
2788 	TAILQ_INIT(&refs);
2789 
2790 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2791 		return NULL;
2792 
2793 	if (gw_trans->repo)
2794 		repo = gw_trans->repo;
2795 	else {
2796 		error = got_repo_open(&repo, dir, NULL);
2797 		if (error)
2798 			return error;
2799 	}
2800 
2801 	error = got_ref_list(&refs, repo, "refs/heads",
2802 	    got_ref_cmp_by_name, NULL);
2803 	if (error)
2804 		goto done;
2805 
2806 	/*
2807 	 * Find the youngest branch tip in the repository, or the age of
2808 	 * the a specific branch tip if a name was provided by the caller.
2809 	 */
2810 	TAILQ_FOREACH(re, &refs, entry) {
2811 		struct got_object_id *id = NULL;
2812 
2813 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2814 			continue;
2815 
2816 		error = got_ref_resolve(&id, repo, re->ref);
2817 		if (error)
2818 			goto done;
2819 
2820 		error = got_object_open_as_commit(&commit, repo, id);
2821 		free(id);
2822 		if (error)
2823 			goto done;
2824 
2825 		committer_time =
2826 		    got_object_commit_get_committer_time(commit);
2827 		got_object_commit_close(commit);
2828 		if (cmp_time < committer_time)
2829 			cmp_time = committer_time;
2830 
2831 		if (refname)
2832 			break;
2833 	}
2834 
2835 	if (cmp_time != 0) {
2836 		committer_time = cmp_time;
2837 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2838 	}
2839 done:
2840 	got_ref_list_free(&refs);
2841 	if (gw_trans->repo == NULL) {
2842 		const struct got_error *close_err = got_repo_close(repo);
2843 		if (error == NULL)
2844 			error = close_err;
2845 	}
2846 	return error;
2847 }
2848 
2849 static const struct got_error *
2850 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2851 {
2852 	const struct got_error *error;
2853 	FILE *f = NULL;
2854 	struct got_object_id *id1 = NULL, *id2 = NULL;
2855 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2856 	int obj_type;
2857 	size_t linesize = 0;
2858 	ssize_t linelen;
2859 	enum kcgi_err kerr = KCGI_OK;
2860 
2861 	f = got_opentemp();
2862 	if (f == NULL)
2863 		return NULL;
2864 
2865 	if (header->parent_id != NULL &&
2866 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2867 		error = got_repo_match_object_id(&id1, &label1,
2868 			header->parent_id, GOT_OBJ_TYPE_ANY,
2869 			&header->refs, gw_trans->repo);
2870 		if (error)
2871 			goto done;
2872 	}
2873 
2874 	error = got_repo_match_object_id(&id2, &label2,
2875 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2876 	    gw_trans->repo);
2877 	if (error)
2878 		goto done;
2879 
2880 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2881 	if (error)
2882 		goto done;
2883 	switch (obj_type) {
2884 	case GOT_OBJ_TYPE_BLOB:
2885 		error = got_diff_objects_as_blobs(NULL, NULL, id1, id2,
2886 		    NULL, NULL, 3, 0, 0, gw_trans->repo, f);
2887 		break;
2888 	case GOT_OBJ_TYPE_TREE:
2889 		error = got_diff_objects_as_trees(NULL, NULL, id1, id2,
2890 		    NULL, "", "", 3, 0, 0, gw_trans->repo, f);
2891 		break;
2892 	case GOT_OBJ_TYPE_COMMIT:
2893 		error = got_diff_objects_as_commits(NULL, NULL, id1, id2,
2894 		    NULL, 3, 0, 0, gw_trans->repo, f);
2895 		break;
2896 	default:
2897 		error = got_error(GOT_ERR_OBJ_TYPE);
2898 	}
2899 	if (error)
2900 		goto done;
2901 
2902 	if (fseek(f, 0, SEEK_SET) == -1) {
2903 		error = got_ferror(f, GOT_ERR_IO);
2904 		goto done;
2905 	}
2906 
2907 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2908 		error = gw_colordiff_line(gw_trans, line);
2909 		if (error)
2910 			goto done;
2911 		/* XXX: KHTML_PRETTY breaks this */
2912 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2913 		if (kerr != KCGI_OK)
2914 			goto done;
2915 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2916 		if (kerr != KCGI_OK)
2917 			goto done;
2918 	}
2919 	if (linelen == -1 && ferror(f))
2920 		error = got_error_from_errno("getline");
2921 done:
2922 	if (f && fclose(f) == EOF && error == NULL)
2923 		error = got_error_from_errno("fclose");
2924 	free(line);
2925 	free(label1);
2926 	free(label2);
2927 	free(id1);
2928 	free(id2);
2929 
2930 	if (error == NULL && kerr != KCGI_OK)
2931 		error = gw_kcgi_error(kerr);
2932 	return error;
2933 }
2934 
2935 static const struct got_error *
2936 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2937 {
2938 	const struct got_error *error = NULL, *close_err;
2939 	struct got_repository *repo;
2940 	const char *gitconfig_owner;
2941 
2942 	*owner = NULL;
2943 
2944 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2945 		return NULL;
2946 
2947 	error = got_repo_open(&repo, dir, NULL);
2948 	if (error)
2949 		return error;
2950 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2951 	if (gitconfig_owner) {
2952 		*owner = strdup(gitconfig_owner);
2953 		if (*owner == NULL)
2954 			error = got_error_from_errno("strdup");
2955 	}
2956 	close_err = got_repo_close(repo);
2957 	if (error == NULL)
2958 		error = close_err;
2959 	return error;
2960 }
2961 
2962 static const struct got_error *
2963 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2964 {
2965 	const struct got_error *error = NULL;
2966 	FILE *f;
2967 	char *d_file = NULL;
2968 	unsigned int len;
2969 	size_t n;
2970 
2971 	*url = NULL;
2972 
2973 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2974 		return got_error_from_errno("asprintf");
2975 
2976 	f = fopen(d_file, "re");
2977 	if (f == NULL) {
2978 		if (errno != ENOENT && errno != EACCES)
2979 			error = got_error_from_errno2("fopen", d_file);
2980 		goto done;
2981 	}
2982 
2983 	if (fseek(f, 0, SEEK_END) == -1) {
2984 		error = got_ferror(f, GOT_ERR_IO);
2985 		goto done;
2986 	}
2987 	len = ftell(f);
2988 	if (len == -1) {
2989 		error = got_ferror(f, GOT_ERR_IO);
2990 		goto done;
2991 	}
2992 	if (fseek(f, 0, SEEK_SET) == -1) {
2993 		error = got_ferror(f, GOT_ERR_IO);
2994 		goto done;
2995 	}
2996 
2997 	*url = calloc(len + 1, sizeof(**url));
2998 	if (*url == NULL) {
2999 		error = got_error_from_errno("calloc");
3000 		goto done;
3001 	}
3002 
3003 	n = fread(*url, 1, len, f);
3004 	if (n == 0 && ferror(f))
3005 		error = got_ferror(f, GOT_ERR_IO);
3006 done:
3007 	if (f && fclose(f) == EOF && error == NULL)
3008 		error = got_error_from_errno("fclose");
3009 	free(d_file);
3010 	return NULL;
3011 }
3012 
3013 static const struct got_error *
3014 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3015     int limit, int tag_type)
3016 {
3017 	const struct got_error *error = NULL;
3018 	struct got_reflist_head refs;
3019 	struct got_reflist_entry *re;
3020 	char *age = NULL;
3021 	char *id_str = NULL, *newline, *href_commits = NULL;
3022 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3023 	struct got_tag_object *tag = NULL;
3024 	enum kcgi_err kerr = KCGI_OK;
3025 	int summary_header_displayed = 0, chk_next = 0;
3026 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3027 
3028 	TAILQ_INIT(&refs);
3029 
3030 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3031 	    got_ref_cmp_tags, gw_trans->repo);
3032 	if (error)
3033 		goto done;
3034 
3035 	TAILQ_FOREACH(re, &refs, entry) {
3036 		const char *refname;
3037 		const char *tagger;
3038 		const char *tag_commit;
3039 		time_t tagger_time;
3040 		struct got_object_id *id;
3041 		struct got_commit_object *commit = NULL;
3042 
3043 		refname = got_ref_get_name(re->ref);
3044 		if (strncmp(refname, "refs/tags/", 10) != 0)
3045 			continue;
3046 		refname += 10;
3047 
3048 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3049 		if (error)
3050 			goto done;
3051 
3052 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3053 		if (error) {
3054 			if (error->code != GOT_ERR_OBJ_TYPE) {
3055 				free(id);
3056 				goto done;
3057 			}
3058 			/* "lightweight" tag */
3059 			error = got_object_open_as_commit(&commit,
3060 			    gw_trans->repo, id);
3061 			if (error) {
3062 				free(id);
3063 				goto done;
3064 			}
3065 			tagger = got_object_commit_get_committer(commit);
3066 			tagger_time =
3067 			    got_object_commit_get_committer_time(commit);
3068 			error = got_object_id_str(&id_str, id);
3069 			free(id);
3070 		} else {
3071 			free(id);
3072 			tagger = got_object_tag_get_tagger(tag);
3073 			tagger_time = got_object_tag_get_tagger_time(tag);
3074 			error = got_object_id_str(&id_str,
3075 			    got_object_tag_get_object_id(tag));
3076 		}
3077 		if (error)
3078 			goto done;
3079 
3080 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3081 		    strlen(id_str)) != 0)
3082 			continue;
3083 
3084 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3085 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3086 		    strlen(id_str)) != 0)
3087 			continue;
3088 		else
3089 			commit_found = 1;
3090 
3091 		tag_count++;
3092 
3093 		if (chk_next) {
3094 			gw_trans->next_id = strdup(id_str);
3095 			if (gw_trans->next_id == NULL)
3096 				error = got_error_from_errno("strdup");
3097 			goto prev;
3098 		}
3099 
3100 		if (commit) {
3101 			error = got_object_commit_get_logmsg(&tag_commit0,
3102 			    commit);
3103 			if (error)
3104 				goto done;
3105 			got_object_commit_close(commit);
3106 		} else {
3107 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3108 			if (tag_commit0 == NULL) {
3109 				error = got_error_from_errno("strdup");
3110 				goto done;
3111 			}
3112 		}
3113 
3114 		tag_commit = tag_commit0;
3115 		while (*tag_commit == '\n')
3116 			tag_commit++;
3117 
3118 		switch (tag_type) {
3119 		case TAGBRIEF:
3120 			newline = strchr(tag_commit, '\n');
3121 			if (newline)
3122 				*newline = '\0';
3123 
3124 			if (summary_header_displayed == 0) {
3125 				kerr = khtml_attr(gw_trans->gw_html_req,
3126 				    KELEM_DIV, KATTR_ID,
3127 				    "summary_tags_title_wrapper", KATTR__MAX);
3128 				if (kerr != KCGI_OK)
3129 					goto done;
3130 				kerr = khtml_attr(gw_trans->gw_html_req,
3131 				    KELEM_DIV, KATTR_ID,
3132 				    "summary_tags_title", KATTR__MAX);
3133 				if (kerr != KCGI_OK)
3134 					goto done;
3135 				kerr = khtml_puts(gw_trans->gw_html_req,
3136 				    "Tags");
3137 				if (kerr != KCGI_OK)
3138 					goto done;
3139 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3140 				    2);
3141 				if (kerr != KCGI_OK)
3142 					goto done;
3143 				kerr = khtml_attr(gw_trans->gw_html_req,
3144 				    KELEM_DIV, KATTR_ID,
3145 				    "summary_tags_content", KATTR__MAX);
3146 				if (kerr != KCGI_OK)
3147 					goto done;
3148 				summary_header_displayed = 1;
3149 			}
3150 
3151 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3152 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3153 			if (kerr != KCGI_OK)
3154 				goto done;
3155 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3156 			    KATTR_ID, "tag_age", KATTR__MAX);
3157 			if (kerr != KCGI_OK)
3158 				goto done;
3159 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3160 			if (error)
3161 				goto done;
3162 			kerr = khtml_puts(gw_trans->gw_html_req,
3163 			    age ? age : "");
3164 			if (kerr != KCGI_OK)
3165 				goto done;
3166 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3167 			if (kerr != KCGI_OK)
3168 				goto done;
3169 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3170 			    KATTR_ID, "tag", KATTR__MAX);
3171 			if (kerr != KCGI_OK)
3172 				goto done;
3173 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3174 			if (kerr != KCGI_OK)
3175 				goto done;
3176 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3177 			if (kerr != KCGI_OK)
3178 				goto done;
3179 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3180 			    KATTR_ID, "tag_name", KATTR__MAX);
3181 			if (kerr != KCGI_OK)
3182 				goto done;
3183 
3184 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3185 			    gw_trans->repo_name, "action", "tag", "commit",
3186 			    id_str, NULL);
3187 			if (href_tag == NULL) {
3188 				error = got_error_from_errno("khttp_urlpart");
3189 				goto done;
3190 			}
3191 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3192 			    KATTR_HREF, href_tag, KATTR__MAX);
3193 			if (kerr != KCGI_OK)
3194 				goto done;
3195 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3196 			if (kerr != KCGI_OK)
3197 				goto done;
3198 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3199 			if (kerr != KCGI_OK)
3200 				goto done;
3201 
3202 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3203 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3204 			if (kerr != KCGI_OK)
3205 				goto done;
3206 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3207 			    KATTR_ID, "navs", KATTR__MAX);
3208 			if (kerr != KCGI_OK)
3209 				goto done;
3210 
3211 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3212 			    KATTR_HREF, href_tag, KATTR__MAX);
3213 			if (kerr != KCGI_OK)
3214 				goto done;
3215 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3216 			if (kerr != KCGI_OK)
3217 				goto done;
3218 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3219 			if (kerr != KCGI_OK)
3220 				goto done;
3221 
3222 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3223 			if (kerr != KCGI_OK)
3224 				goto done;
3225 
3226 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3227 			    "path", gw_trans->repo_name, "action", "briefs",
3228 			    "commit", id_str, NULL);
3229 			if (href_briefs == NULL) {
3230 				error = got_error_from_errno("khttp_urlpart");
3231 				goto done;
3232 			}
3233 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3234 			    KATTR_HREF, href_briefs, KATTR__MAX);
3235 			if (kerr != KCGI_OK)
3236 				goto done;
3237 			kerr = khtml_puts(gw_trans->gw_html_req,
3238 			    "commit briefs");
3239 			if (kerr != KCGI_OK)
3240 				goto done;
3241 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3242 			if (kerr != KCGI_OK)
3243 				goto done;
3244 
3245 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3246 			if (kerr != KCGI_OK)
3247 				goto done;
3248 
3249 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3250 			    "path", gw_trans->repo_name, "action", "commits",
3251 			    "commit", id_str, NULL);
3252 			if (href_commits == NULL) {
3253 				error = got_error_from_errno("khttp_urlpart");
3254 				goto done;
3255 			}
3256 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3257 			    KATTR_HREF, href_commits, KATTR__MAX);
3258 			if (kerr != KCGI_OK)
3259 				goto done;
3260 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3261 			if (kerr != KCGI_OK)
3262 				goto done;
3263 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3264 			if (kerr != KCGI_OK)
3265 				goto done;
3266 
3267 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3268 			    KATTR_ID, "dotted_line", KATTR__MAX);
3269 			if (kerr != KCGI_OK)
3270 				goto done;
3271 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3272 			if (kerr != KCGI_OK)
3273 				goto done;
3274 			break;
3275 		case TAGFULL:
3276 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3277 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3278 			if (kerr != KCGI_OK)
3279 				goto done;
3280 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3281 			if (kerr != KCGI_OK)
3282 				goto done;
3283 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3284 			if (kerr != KCGI_OK)
3285 				goto done;
3286 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3287 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3288 			if (kerr != KCGI_OK)
3289 				goto done;
3290 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3291 			if (error)
3292 				goto done;
3293 			kerr = khtml_puts(gw_trans->gw_html_req,
3294 			    age ? age : "");
3295 			if (kerr != KCGI_OK)
3296 				goto done;
3297 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3298 			if (kerr != KCGI_OK)
3299 				goto done;
3300 
3301 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3302 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3303 			if (kerr != KCGI_OK)
3304 				goto done;
3305 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3306 			if (kerr != KCGI_OK)
3307 				goto done;
3308 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3309 			if (kerr != KCGI_OK)
3310 				goto done;
3311 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3312 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3313 			if (kerr != KCGI_OK)
3314 				goto done;
3315 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3316 			if (kerr != KCGI_OK)
3317 				goto done;
3318 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3319 			if (kerr != KCGI_OK)
3320 				goto done;
3321 
3322 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3323 			    KATTR_ID, "tag_info", KATTR__MAX);
3324 			if (kerr != KCGI_OK)
3325 				goto done;
3326 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3327 			if (kerr != KCGI_OK)
3328 				goto done;
3329 			break;
3330 		default:
3331 			break;
3332 		}
3333 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3334 		if (kerr != KCGI_OK)
3335 			goto done;
3336 
3337 		if (limit && --limit == 0)
3338 			chk_next = 1;
3339 
3340 		if (tag)
3341 			got_object_tag_close(tag);
3342 		tag = NULL;
3343 		free(id_str);
3344 		id_str = NULL;
3345 		free(age);
3346 		age = NULL;
3347 		free(tag_commit0);
3348 		tag_commit0 = NULL;
3349 		free(href_tag);
3350 		href_tag = NULL;
3351 		free(href_briefs);
3352 		href_briefs = NULL;
3353 		free(href_commits);
3354 		href_commits = NULL;
3355 	}
3356 	if (tag_count == 0) {
3357 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3358 		    "summary_tags_title_wrapper", KATTR__MAX);
3359 		if (kerr != KCGI_OK)
3360 			goto done;
3361 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3362 		    "summary_tags_title", KATTR__MAX);
3363 		if (kerr != KCGI_OK)
3364 			goto done;
3365 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3366 		if (kerr != KCGI_OK)
3367 			goto done;
3368 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3369 		if (kerr != KCGI_OK)
3370 			goto done;
3371 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3372 		    "summary_tags_content", KATTR__MAX);
3373 		if (kerr != KCGI_OK)
3374 			goto done;
3375 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3376 		    "tags_info", KATTR__MAX);
3377 		if (kerr != KCGI_OK)
3378 			goto done;
3379 		kerr = khttp_puts(gw_trans->gw_req,
3380 		    "There are no tags for this repo.");
3381 		if (kerr != KCGI_OK)
3382 			goto done;
3383 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3384 		goto done;
3385 	}
3386 prev:
3387 	commit_found = 0;
3388 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3389 		const char *refname;
3390 		struct got_object_id *id;
3391 		struct got_commit_object *commit = NULL;
3392 
3393 		refname = got_ref_get_name(re->ref);
3394 		if (strncmp(refname, "refs/tags/", 10) != 0)
3395 			continue;
3396 		refname += 10;
3397 
3398 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3399 		if (error)
3400 			goto done;
3401 
3402 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3403 		if (error) {
3404 			if (error->code != GOT_ERR_OBJ_TYPE) {
3405 				free(id);
3406 				goto done;
3407 			}
3408 			/* "lightweight" tag */
3409 			error = got_object_open_as_commit(&commit,
3410 			    gw_trans->repo, id);
3411 			if (error) {
3412 				free(id);
3413 				goto done;
3414 			}
3415 			error = got_object_id_str(&id_str, id);
3416 			free(id);
3417 		} else {
3418 			free(id);
3419 			error = got_object_id_str(&id_str,
3420 			    got_object_tag_get_object_id(tag));
3421 		}
3422 		if (error)
3423 			goto done;
3424 
3425 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3426 		    strlen(id_str)) != 0)
3427 			continue;
3428 
3429 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3430 		    gw_trans->commit_id  != NULL &&
3431 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3432 			continue;
3433 		else
3434 			commit_found = 1;
3435 
3436 		if (gw_trans->commit_id != NULL &&
3437 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3438 		    (re == TAILQ_FIRST(&refs) ||
3439 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3440 			gw_trans->prev_id = strdup(id_str);
3441 			if (gw_trans->prev_id == NULL) {
3442 				error = got_error_from_errno("strdup");
3443 				goto done;
3444 			}
3445 			break;
3446 		}
3447 		c_cnt++;
3448 	}
3449 done:
3450 	if (tag)
3451 		got_object_tag_close(tag);
3452 	free(id_str);
3453 	free(age);
3454 	free(tag_commit0);
3455 	free(href_tag);
3456 	free(href_briefs);
3457 	free(href_commits);
3458 	got_ref_list_free(&refs);
3459 	if (error == NULL && kerr != KCGI_OK)
3460 		error = gw_kcgi_error(kerr);
3461 	return error;
3462 }
3463 
3464 static void
3465 gw_free_header(struct gw_header *header)
3466 {
3467 	free(header->path);
3468 	free(header->author);
3469 	free(header->committer);
3470 	free(header->refs_str);
3471 	free(header->commit_id);
3472 	free(header->parent_id);
3473 	free(header->tree_id);
3474 	free(header->commit_msg);
3475 }
3476 
3477 static struct gw_header *
3478 gw_init_header()
3479 {
3480 	struct gw_header *header;
3481 
3482 	header = malloc(sizeof(*header));
3483 	if (header == NULL)
3484 		return NULL;
3485 
3486 	header->path = NULL;
3487 	TAILQ_INIT(&header->refs);
3488 
3489 	header->refs_str = NULL;
3490 	header->commit_id = NULL;
3491 	header->committer = NULL;
3492 	header->author = NULL;
3493 	header->parent_id = NULL;
3494 	header->tree_id = NULL;
3495 	header->commit_msg = NULL;
3496 
3497 	return header;
3498 }
3499 
3500 static const struct got_error *
3501 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3502     int limit, struct got_object_id *id)
3503 {
3504 	const struct got_error *error = NULL;
3505 	struct got_commit_graph *graph = NULL;
3506 	struct got_commit_object *commit = NULL;
3507 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3508 	struct gw_header *t_header = NULL;
3509 
3510 	error = got_commit_graph_open(&graph, header->path, 0);
3511 	if (error)
3512 		return error;
3513 
3514 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3515 	    NULL);
3516 	if (error)
3517 		goto err;
3518 
3519 	for (;;) {
3520 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3521 		    NULL, NULL);
3522 		if (error) {
3523 			if (error->code == GOT_ERR_ITER_COMPLETED)
3524 				error = NULL;
3525 			goto done;
3526 		}
3527 		if (id == NULL)
3528 			goto err;
3529 
3530 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3531 		if (error)
3532 			goto err;
3533 		if (limit == 1 && chk_multi == 0 &&
3534 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3535 			error = gw_get_commit(gw_trans, header, commit, id);
3536 			if (error)
3537 				goto err;
3538 			commit_found = 1;
3539 		} else {
3540 			chk_multi = 1;
3541 			struct gw_header *n_header = NULL;
3542 			if ((n_header = gw_init_header()) == NULL) {
3543 				error = got_error_from_errno("malloc");
3544 				goto err;
3545 			}
3546 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3547 			    entry);
3548 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3549 			    NULL, got_ref_cmp_by_name, NULL);
3550 			if (error)
3551 				goto err;
3552 
3553 			error = gw_get_commit(gw_trans, n_header, commit, id);
3554 			if (error)
3555 				goto err;
3556 			got_ref_list_free(&n_header->refs);
3557 
3558 			if (gw_trans->commit_id != NULL) {
3559 				if (strcmp(gw_trans->commit_id,
3560 				    n_header->commit_id) == 0)
3561 					commit_found = 1;
3562 			} else
3563 				commit_found = 1;
3564 
3565 			/*
3566 			 * check for one more commit before breaking,
3567 			 * so we know whether to navigate through gw_briefs
3568 			 * gw_commits and gw_summary
3569 			 */
3570 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3571 			    gw_trans->action == GW_COMMITS ||
3572 			    gw_trans->action == GW_SUMMARY)) {
3573 				gw_trans->next_id = strdup(n_header->commit_id);
3574 				if (gw_trans->next_id == NULL)
3575 					error = got_error_from_errno("strdup");
3576 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3577 				    entry);
3578 				goto done;
3579 			}
3580 
3581 		}
3582 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3583 			if (chk_multi == 0)
3584 				break;
3585 			chk_next = 1;
3586 		}
3587 	}
3588 done:
3589 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3590 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS)) {
3591 		commit_found = 0;
3592 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3593 		    headers, entry) {
3594 			if (commit_found == 0 &&
3595 			    strcmp(gw_trans->commit_id,
3596 			    t_header->commit_id) != 0)
3597 				continue;
3598 			else
3599 				commit_found = 1;
3600 			if (gw_trans->commit_id != NULL &&
3601 			    strcmp(gw_trans->commit_id,
3602 			    t_header->commit_id) != 0 &&
3603 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3604 			    || t_header ==
3605 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3606 				gw_trans->prev_id = strdup(t_header->commit_id);
3607 				if (gw_trans->prev_id == NULL)
3608 					error = got_error_from_errno("strdup");
3609 				break;
3610 			}
3611 			c_cnt++;
3612 		}
3613 	}
3614 err:
3615 	if (commit != NULL)
3616 		got_object_commit_close(commit);
3617 	if (graph)
3618 		got_commit_graph_close(graph);
3619 	return error;
3620 }
3621 
3622 static const struct got_error *
3623 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3624     struct got_commit_object *commit, struct got_object_id *id)
3625 {
3626 	const struct got_error *error = NULL;
3627 	struct got_reflist_entry *re;
3628 	struct got_object_id *id2 = NULL;
3629 	struct got_object_qid *parent_id;
3630 	char *commit_msg = NULL, *commit_msg0;
3631 
3632 	/*print commit*/
3633 	TAILQ_FOREACH(re, &header->refs, entry) {
3634 		char *s;
3635 		const char *name;
3636 		struct got_tag_object *tag = NULL;
3637 		struct got_object_id *ref_id;
3638 		int cmp;
3639 
3640 		if (got_ref_is_symbolic(re->ref))
3641 			continue;
3642 
3643 		name = got_ref_get_name(re->ref);
3644 		if (strncmp(name, "refs/", 5) == 0)
3645 			name += 5;
3646 		if (strncmp(name, "got/", 4) == 0)
3647 			continue;
3648 		if (strncmp(name, "heads/", 6) == 0)
3649 			name += 6;
3650 		if (strncmp(name, "remotes/", 8) == 0) {
3651 			name += 8;
3652 			s = strstr(name, "/" GOT_REF_HEAD);
3653 			if (s != NULL && s[strlen(s)] == '\0')
3654 				continue;
3655 		}
3656 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3657 		if (error)
3658 			return error;
3659 		if (strncmp(name, "tags/", 5) == 0) {
3660 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3661 			    ref_id);
3662 			if (error) {
3663 				if (error->code != GOT_ERR_OBJ_TYPE) {
3664 					free(ref_id);
3665 					continue;
3666 				}
3667 				/*
3668 				 * Ref points at something other
3669 				 * than a tag.
3670 				 */
3671 				error = NULL;
3672 				tag = NULL;
3673 			}
3674 		}
3675 		cmp = got_object_id_cmp(tag ?
3676 		    got_object_tag_get_object_id(tag) : ref_id, id);
3677 		free(ref_id);
3678 		if (tag)
3679 			got_object_tag_close(tag);
3680 		if (cmp != 0)
3681 			continue;
3682 		s = header->refs_str;
3683 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3684 		    s ? ", " : "", name) == -1) {
3685 			error = got_error_from_errno("asprintf");
3686 			free(s);
3687 			header->refs_str = NULL;
3688 			return error;
3689 		}
3690 		free(s);
3691 	}
3692 
3693 	error = got_object_id_str(&header->commit_id, id);
3694 	if (error)
3695 		return error;
3696 
3697 	error = got_object_id_str(&header->tree_id,
3698 	    got_object_commit_get_tree_id(commit));
3699 	if (error)
3700 		return error;
3701 
3702 	if (gw_trans->action == GW_DIFF) {
3703 		parent_id = STAILQ_FIRST(
3704 		    got_object_commit_get_parent_ids(commit));
3705 		if (parent_id != NULL) {
3706 			id2 = got_object_id_dup(&parent_id->id);
3707 			free (parent_id);
3708 			error = got_object_id_str(&header->parent_id, id2);
3709 			if (error)
3710 				return error;
3711 			free(id2);
3712 		} else {
3713 			header->parent_id = strdup("/dev/null");
3714 			if (header->parent_id == NULL) {
3715 				error = got_error_from_errno("strdup");
3716 				return error;
3717 			}
3718 		}
3719 	}
3720 
3721 	header->committer_time =
3722 	    got_object_commit_get_committer_time(commit);
3723 
3724 	header->author =
3725 	    strdup(got_object_commit_get_author(commit));
3726 	if (header->author == NULL) {
3727 		error = got_error_from_errno("strdup");
3728 		return error;
3729 	}
3730 	header->committer =
3731 	    strdup(got_object_commit_get_committer(commit));
3732 	if (header->committer == NULL) {
3733 		error = got_error_from_errno("strdup");
3734 		return error;
3735 	}
3736 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3737 	if (error)
3738 		return error;
3739 
3740 	commit_msg = commit_msg0;
3741 	while (*commit_msg == '\n')
3742 		commit_msg++;
3743 
3744 	header->commit_msg = strdup(commit_msg);
3745 	if (header->commit_msg == NULL)
3746 		error = got_error_from_errno("strdup");
3747 	free(commit_msg0);
3748 	return error;
3749 }
3750 
3751 static const struct got_error *
3752 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3753 {
3754 	const struct got_error *error = NULL;
3755 	char *in_repo_path = NULL;
3756 	struct got_object_id *id = NULL;
3757 	struct got_reference *ref;
3758 
3759 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3760 	if (error)
3761 		return error;
3762 
3763 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3764 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3765 	    gw_trans->action == GW_TAGS) {
3766 		error = got_ref_open(&ref, gw_trans->repo,
3767 		    gw_trans->headref, 0);
3768 		if (error)
3769 			return error;
3770 
3771 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3772 		got_ref_close(ref);
3773 		if (error)
3774 			return error;
3775 	} else {
3776 		error = got_ref_open(&ref, gw_trans->repo,
3777 		    gw_trans->commit_id, 0);
3778 		if (error == NULL) {
3779 			int obj_type;
3780 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3781 			got_ref_close(ref);
3782 			if (error)
3783 				return error;
3784 			error = got_object_get_type(&obj_type, gw_trans->repo,
3785 			    id);
3786 			if (error)
3787 				goto done;
3788 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3789 				struct got_tag_object *tag;
3790 				error = got_object_open_as_tag(&tag,
3791 				    gw_trans->repo, id);
3792 				if (error)
3793 					goto done;
3794 				if (got_object_tag_get_object_type(tag) !=
3795 				    GOT_OBJ_TYPE_COMMIT) {
3796 					got_object_tag_close(tag);
3797 					error = got_error(GOT_ERR_OBJ_TYPE);
3798 					goto done;
3799 				}
3800 				free(id);
3801 				id = got_object_id_dup(
3802 				    got_object_tag_get_object_id(tag));
3803 				if (id == NULL)
3804 					error = got_error_from_errno(
3805 					    "got_object_id_dup");
3806 				got_object_tag_close(tag);
3807 				if (error)
3808 					goto done;
3809 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3810 				error = got_error(GOT_ERR_OBJ_TYPE);
3811 				goto done;
3812 			}
3813 		}
3814 		error = got_repo_match_object_id_prefix(&id,
3815 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3816 			    gw_trans->repo);
3817 		if (error)
3818 			goto done;
3819 	}
3820 
3821 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3822 	    gw_trans->repo_path);
3823 	if (error)
3824 		goto done;
3825 
3826 	if (in_repo_path) {
3827 		header->path = strdup(in_repo_path);
3828 		if (header->path == NULL) {
3829 			error = got_error_from_errno("strdup");
3830 			goto done;
3831 		}
3832 	}
3833 
3834 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3835 	    got_ref_cmp_by_name, NULL);
3836 	if (error)
3837 		goto done;
3838 
3839 	error = gw_get_commits(gw_trans, header, limit, id);
3840 done:
3841 	got_ref_list_free(&header->refs);
3842 	free(id);
3843 	free(in_repo_path);
3844 	return error;
3845 }
3846 
3847 struct blame_line {
3848 	int annotated;
3849 	char *id_str;
3850 	char *committer;
3851 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3852 };
3853 
3854 struct gw_blame_cb_args {
3855 	struct blame_line *lines;
3856 	int nlines;
3857 	int nlines_prec;
3858 	int lineno_cur;
3859 	off_t *line_offsets;
3860 	FILE *f;
3861 	struct got_repository *repo;
3862 	struct gw_trans *gw_trans;
3863 };
3864 
3865 static const struct got_error *
3866 gw_blame_cb(void *arg, int nlines, int lineno,
3867     struct got_commit_object *commit, struct got_object_id *id)
3868 {
3869 	const struct got_error *err = NULL;
3870 	struct gw_blame_cb_args *a = arg;
3871 	struct blame_line *bline;
3872 	char *line = NULL;
3873 	size_t linesize = 0;
3874 	off_t offset;
3875 	struct tm tm;
3876 	time_t committer_time;
3877 	enum kcgi_err kerr = KCGI_OK;
3878 
3879 	if (nlines != a->nlines ||
3880 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3881 		return got_error(GOT_ERR_RANGE);
3882 
3883 	if (lineno == -1)
3884 		return NULL; /* no change in this commit */
3885 
3886 	/* Annotate this line. */
3887 	bline = &a->lines[lineno - 1];
3888 	if (bline->annotated)
3889 		return NULL;
3890 	err = got_object_id_str(&bline->id_str, id);
3891 	if (err)
3892 		return err;
3893 
3894 	bline->committer = strdup(got_object_commit_get_committer(commit));
3895 	if (bline->committer == NULL) {
3896 		err = got_error_from_errno("strdup");
3897 		goto done;
3898 	}
3899 
3900 	committer_time = got_object_commit_get_committer_time(commit);
3901 	if (gmtime_r(&committer_time, &tm) == NULL)
3902 		return got_error_from_errno("gmtime_r");
3903 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3904 	    &tm) == 0) {
3905 		err = got_error(GOT_ERR_NO_SPACE);
3906 		goto done;
3907 	}
3908 	bline->annotated = 1;
3909 
3910 	/* Print lines annotated so far. */
3911 	bline = &a->lines[a->lineno_cur - 1];
3912 	if (!bline->annotated)
3913 		goto done;
3914 
3915 	offset = a->line_offsets[a->lineno_cur - 1];
3916 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3917 		err = got_error_from_errno("fseeko");
3918 		goto done;
3919 	}
3920 
3921 	while (bline->annotated) {
3922 		char *smallerthan, *at, *nl, *committer;
3923 		char *href_diff = NULL;
3924 		size_t len;
3925 
3926 		if (getline(&line, &linesize, a->f) == -1) {
3927 			if (ferror(a->f))
3928 				err = got_error_from_errno("getline");
3929 			break;
3930 		}
3931 
3932 		committer = bline->committer;
3933 		smallerthan = strchr(committer, '<');
3934 		if (smallerthan && smallerthan[1] != '\0')
3935 			committer = smallerthan + 1;
3936 		at = strchr(committer, '@');
3937 		if (at)
3938 			*at = '\0';
3939 		len = strlen(committer);
3940 		if (len >= 9)
3941 			committer[8] = '\0';
3942 
3943 		nl = strchr(line, '\n');
3944 		if (nl)
3945 			*nl = '\0';
3946 
3947 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3948 		    "blame_wrapper", KATTR__MAX);
3949 		if (kerr != KCGI_OK)
3950 			goto err;
3951 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3952 		    "blame_number", KATTR__MAX);
3953 		if (kerr != KCGI_OK)
3954 			goto err;
3955 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3956 		    a->nlines_prec, a->lineno_cur);
3957 		if (kerr != KCGI_OK)
3958 			goto err;
3959 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3960 		if (kerr != KCGI_OK)
3961 			goto err;
3962 
3963 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3964 		    "blame_hash", KATTR__MAX);
3965 		if (kerr != KCGI_OK)
3966 			goto err;
3967 
3968 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3969 		    a->gw_trans->repo_name, "action", "diff", "commit",
3970 		    bline->id_str, NULL);
3971 		if (href_diff == NULL) {
3972 			err = got_error_from_errno("khttp_urlpart");
3973 			goto done;
3974 		}
3975 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3976 		    KATTR_HREF, href_diff, KATTR__MAX);
3977 		if (kerr != KCGI_OK)
3978 			goto done;
3979 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3980 		    bline->id_str);
3981 		if (kerr != KCGI_OK)
3982 			goto err;
3983 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3984 		if (kerr != KCGI_OK)
3985 			goto err;
3986 
3987 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3988 		    "blame_date", KATTR__MAX);
3989 		if (kerr != KCGI_OK)
3990 			goto err;
3991 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3992 		if (kerr != KCGI_OK)
3993 			goto err;
3994 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3995 		if (kerr != KCGI_OK)
3996 			goto err;
3997 
3998 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3999 		    "blame_author", KATTR__MAX);
4000 		if (kerr != KCGI_OK)
4001 			goto err;
4002 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
4003 		if (kerr != KCGI_OK)
4004 			goto err;
4005 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4006 		if (kerr != KCGI_OK)
4007 			goto err;
4008 
4009 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4010 		    "blame_code", KATTR__MAX);
4011 		if (kerr != KCGI_OK)
4012 			goto err;
4013 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
4014 		if (kerr != KCGI_OK)
4015 			goto err;
4016 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4017 		if (kerr != KCGI_OK)
4018 			goto err;
4019 
4020 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4021 		if (kerr != KCGI_OK)
4022 			goto err;
4023 
4024 		a->lineno_cur++;
4025 		bline = &a->lines[a->lineno_cur - 1];
4026 err:
4027 		free(href_diff);
4028 	}
4029 done:
4030 	free(line);
4031 	if (err == NULL && kerr != KCGI_OK)
4032 		err = gw_kcgi_error(kerr);
4033 	return err;
4034 }
4035 
4036 static const struct got_error *
4037 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4038 {
4039 	const struct got_error *error = NULL;
4040 	struct got_object_id *obj_id = NULL;
4041 	struct got_object_id *commit_id = NULL;
4042 	struct got_commit_object *commit = NULL;
4043 	struct got_blob_object *blob = NULL;
4044 	char *path = NULL, *in_repo_path = NULL;
4045 	struct gw_blame_cb_args bca;
4046 	int i, obj_type;
4047 	off_t filesize;
4048 
4049 	memset(&bca, 0, sizeof(bca));
4050 
4051 	if (asprintf(&path, "%s%s%s",
4052 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4053 	    gw_trans->repo_folder ? "/" : "",
4054 	    gw_trans->repo_file) == -1) {
4055 		error = got_error_from_errno("asprintf");
4056 		goto done;
4057 	}
4058 
4059 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4060 	if (error)
4061 		goto done;
4062 
4063 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4064 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4065 	if (error)
4066 		goto done;
4067 
4068 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4069 	if (error)
4070 		goto done;
4071 
4072 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4073 	    in_repo_path);
4074 	if (error)
4075 		goto done;
4076 
4077 	if (obj_id == NULL) {
4078 		error = got_error(GOT_ERR_NO_OBJ);
4079 		goto done;
4080 	}
4081 
4082 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4083 	if (error)
4084 		goto done;
4085 
4086 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4087 		error = got_error(GOT_ERR_OBJ_TYPE);
4088 		goto done;
4089 	}
4090 
4091 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4092 	if (error)
4093 		goto done;
4094 
4095 	bca.f = got_opentemp();
4096 	if (bca.f == NULL) {
4097 		error = got_error_from_errno("got_opentemp");
4098 		goto done;
4099 	}
4100 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4101 	    &bca.line_offsets, bca.f, blob);
4102 	if (error || bca.nlines == 0)
4103 		goto done;
4104 
4105 	/* Don't include \n at EOF in the blame line count. */
4106 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4107 		bca.nlines--;
4108 
4109 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4110 	if (bca.lines == NULL) {
4111 		error = got_error_from_errno("calloc");
4112 		goto done;
4113 	}
4114 	bca.lineno_cur = 1;
4115 	bca.nlines_prec = 0;
4116 	i = bca.nlines;
4117 	while (i > 0) {
4118 		i /= 10;
4119 		bca.nlines_prec++;
4120 	}
4121 	bca.repo = gw_trans->repo;
4122 	bca.gw_trans = gw_trans;
4123 
4124 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
4125 	    &bca, NULL, NULL);
4126 done:
4127 	free(in_repo_path);
4128 	free(commit_id);
4129 	free(obj_id);
4130 	free(path);
4131 
4132 	if (blob) {
4133 		free(bca.line_offsets);
4134 		for (i = 0; i < bca.nlines; i++) {
4135 			struct blame_line *bline = &bca.lines[i];
4136 			free(bline->id_str);
4137 			free(bline->committer);
4138 		}
4139 		free(bca.lines);
4140 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4141 			error = got_error_from_errno("fclose");
4142 	}
4143 	if (blob)
4144 		got_object_blob_close(blob);
4145 	if (commit)
4146 		got_object_commit_close(commit);
4147 	return error;
4148 }
4149 
4150 static const struct got_error *
4151 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4152 {
4153 	const struct got_error *error = NULL;
4154 	struct got_object_id *obj_id = NULL;
4155 	struct got_object_id *commit_id = NULL;
4156 	struct got_commit_object *commit = NULL;
4157 	struct got_blob_object *blob = NULL;
4158 	char *path = NULL, *in_repo_path = NULL;
4159 	int obj_type, set_mime = 0;
4160 	size_t len, hdrlen;
4161 	const uint8_t *buf;
4162 	enum kcgi_err kerr = KCGI_OK;
4163 
4164 	if (asprintf(&path, "%s%s%s",
4165 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4166 	    gw_trans->repo_folder ? "/" : "",
4167 	    gw_trans->repo_file) == -1) {
4168 		error = got_error_from_errno("asprintf");
4169 		goto done;
4170 	}
4171 
4172 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4173 	if (error)
4174 		goto done;
4175 
4176 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4177 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4178 	if (error)
4179 		goto done;
4180 
4181 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4182 	if (error)
4183 		goto done;
4184 
4185 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4186 	    in_repo_path);
4187 	if (error)
4188 		goto done;
4189 
4190 	if (obj_id == NULL) {
4191 		error = got_error(GOT_ERR_NO_OBJ);
4192 		goto done;
4193 	}
4194 
4195 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4196 	if (error)
4197 		goto done;
4198 
4199 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4200 		error = got_error(GOT_ERR_OBJ_TYPE);
4201 		goto done;
4202 	}
4203 
4204 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4205 	if (error)
4206 		goto done;
4207 
4208 	hdrlen = got_object_blob_get_hdrlen(blob);
4209 	do {
4210 		error = got_object_blob_read_block(&len, blob);
4211 		if (error)
4212 			goto done;
4213 		buf = got_object_blob_get_read_buf(blob);
4214 
4215 		/*
4216 		 * Skip blob object header first time around,
4217 		 * which also contains a zero byte.
4218 		 */
4219 		buf += hdrlen;
4220 		if (set_mime == 0) {
4221 			if (isbinary(buf, len - hdrlen))
4222 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4223 			else
4224 				gw_trans->mime = KMIME_TEXT_PLAIN;
4225 			set_mime = 1;
4226 			error = gw_display_index(gw_trans);
4227 			if (error)
4228 				goto done;
4229 		}
4230 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4231 		if (kerr != KCGI_OK)
4232 			goto done;
4233 		hdrlen = 0;
4234 	} while (len != 0);
4235 done:
4236 	free(in_repo_path);
4237 	free(commit_id);
4238 	free(obj_id);
4239 	free(path);
4240 	if (blob)
4241 		got_object_blob_close(blob);
4242 	if (commit)
4243 		got_object_commit_close(commit);
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_tree(struct gw_trans *gw_trans, struct gw_header *header)
4251 {
4252 	const struct got_error *error = NULL;
4253 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4254 	struct got_tree_object *tree = NULL;
4255 	struct got_commit_object *commit = NULL;
4256 	char *path = NULL, *in_repo_path = NULL;
4257 	char *id_str = NULL;
4258 	char *build_folder = NULL;
4259 	char *href_blob = NULL, *href_blame = NULL;
4260 	const char *class = NULL;
4261 	int nentries, i, class_flip = 0;
4262 	enum kcgi_err kerr = KCGI_OK;
4263 
4264 	if (gw_trans->repo_folder != NULL) {
4265 		path = strdup(gw_trans->repo_folder);
4266 		if (path == NULL) {
4267 			error = got_error_from_errno("strdup");
4268 			goto done;
4269 		}
4270 	} else {
4271 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4272 		    gw_trans->repo_path);
4273 		if (error)
4274 			goto done;
4275 		free(path);
4276 		path = in_repo_path;
4277 	}
4278 
4279 	if (gw_trans->commit_id == NULL) {
4280 		struct got_reference *head_ref;
4281 		error = got_ref_open(&head_ref, gw_trans->repo,
4282 		    gw_trans->headref, 0);
4283 		if (error)
4284 			goto done;
4285 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4286 		if (error)
4287 			goto done;
4288 		got_ref_close(head_ref);
4289 		/*
4290 		 * gw_trans->commit_id was not parsed from the querystring
4291 		 * we hit this code path from gw_index, where we don't know the
4292 		 * commit values for the tree link yet, so set
4293 		 * gw_trans->commit_id here to continue further into the tree
4294 		 */
4295 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4296 		if (error)
4297 			goto done;
4298 
4299 	} else {
4300 		error = got_repo_match_object_id(&commit_id, NULL,
4301 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4302 		    gw_trans->repo);
4303 		if (error)
4304 			goto done;
4305 	}
4306 
4307 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4308 	if (error)
4309 		goto done;
4310 
4311 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit,
4312 	    path);
4313 	if (error)
4314 		goto done;
4315 
4316 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4317 	if (error)
4318 		goto done;
4319 
4320 	nentries = got_object_tree_get_nentries(tree);
4321 	for (i = 0; i < nentries; i++) {
4322 		struct got_tree_entry *te;
4323 		const char *modestr = "";
4324 		mode_t mode;
4325 
4326 		te = got_object_tree_get_entry(tree, i);
4327 
4328 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4329 		if (error)
4330 			goto done;
4331 
4332 		mode = got_tree_entry_get_mode(te);
4333 		if (got_object_tree_entry_is_submodule(te))
4334 			modestr = "$";
4335 		else if (S_ISLNK(mode))
4336 			modestr = "@";
4337 		else if (S_ISDIR(mode))
4338 			modestr = "/";
4339 		else if (mode & S_IXUSR)
4340 			modestr = "*";
4341 
4342 		if (class_flip == 0) {
4343 			class = "back_lightgray";
4344 			class_flip = 1;
4345 		} else {
4346 			class = "back_white";
4347 			class_flip = 0;
4348 		}
4349 
4350 		if (S_ISDIR(mode)) {
4351 			if (asprintf(&build_folder, "%s/%s",
4352 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4353 			    got_tree_entry_get_name(te)) == -1) {
4354 				error = got_error_from_errno("asprintf");
4355 				goto done;
4356 			}
4357 
4358 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4359 			    gw_trans->repo_name, "action",
4360 			    gw_get_action_name(gw_trans), "commit",
4361 			    gw_trans->commit_id, "folder", build_folder, NULL);
4362 			if (href_blob == NULL) {
4363 				error = got_error_from_errno("khttp_urlpart");
4364 				goto done;
4365 			}
4366 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4367 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4368 			if (kerr != KCGI_OK)
4369 				goto done;
4370 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4371 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4372 			    KATTR__MAX);
4373 			if (kerr != KCGI_OK)
4374 				goto done;
4375 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4376 			    KATTR_HREF, href_blob, KATTR_CLASS,
4377 			    "diff_directory", KATTR__MAX);
4378 			if (kerr != KCGI_OK)
4379 				goto done;
4380 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4381 			    got_tree_entry_get_name(te), modestr);
4382 			if (kerr != KCGI_OK)
4383 				goto done;
4384 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4385 			if (kerr != KCGI_OK)
4386 				goto done;
4387 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4388 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4389 			    KATTR__MAX);
4390 			if (kerr != KCGI_OK)
4391 				goto done;
4392 			kerr = khtml_entity(gw_trans->gw_html_req,
4393 			    KENTITY_nbsp);
4394 			if (kerr != KCGI_OK)
4395 				goto done;
4396 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4397 			if (kerr != KCGI_OK)
4398 				goto done;
4399 		} else {
4400 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4401 			    gw_trans->repo_name, "action", "blob", "commit",
4402 			    gw_trans->commit_id, "file",
4403 			    got_tree_entry_get_name(te), "folder",
4404 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4405 			    NULL);
4406 			if (href_blob == NULL) {
4407 				error = got_error_from_errno("khttp_urlpart");
4408 				goto done;
4409 			}
4410 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4411 			    gw_trans->repo_name, "action", "blame", "commit",
4412 			    gw_trans->commit_id, "file",
4413 			    got_tree_entry_get_name(te), "folder", 
4414 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4415 			    NULL);
4416 			if (href_blame == NULL) {
4417 				error = got_error_from_errno("khttp_urlpart");
4418 				goto done;
4419 			}
4420 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4421 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4422 			if (kerr != KCGI_OK)
4423 				goto done;
4424 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4425 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4426 			    KATTR__MAX);
4427 			if (kerr != KCGI_OK)
4428 				goto done;
4429 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4430 			    KATTR_HREF, href_blob, KATTR__MAX);
4431 			if (kerr != KCGI_OK)
4432 				goto done;
4433 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4434 			    got_tree_entry_get_name(te), modestr);
4435 			if (kerr != KCGI_OK)
4436 				goto done;
4437 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4438 			if (kerr != KCGI_OK)
4439 				goto done;
4440 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4441 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4442 			    KATTR__MAX);
4443 			if (kerr != KCGI_OK)
4444 				goto done;
4445 
4446 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4447 			    KATTR_HREF, href_blob, KATTR__MAX);
4448 			if (kerr != KCGI_OK)
4449 				goto done;
4450 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4451 			if (kerr != KCGI_OK)
4452 				goto done;
4453 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4454 			if (kerr != KCGI_OK)
4455 				goto done;
4456 
4457 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4458 			if (kerr != KCGI_OK)
4459 				goto done;
4460 
4461 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4462 			    KATTR_HREF, href_blame, KATTR__MAX);
4463 			if (kerr != KCGI_OK)
4464 				goto done;
4465 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4466 			if (kerr != KCGI_OK)
4467 				goto done;
4468 
4469 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4470 			if (kerr != KCGI_OK)
4471 				goto done;
4472 		}
4473 		free(id_str);
4474 		id_str = NULL;
4475 		free(href_blob);
4476 		href_blob = NULL;
4477 		free(build_folder);
4478 		build_folder = NULL;
4479 	}
4480 done:
4481 	if (tree)
4482 		got_object_tree_close(tree);
4483 	if (commit)
4484 		got_object_commit_close(commit);
4485 	free(id_str);
4486 	free(href_blob);
4487 	free(href_blame);
4488 	free(in_repo_path);
4489 	free(tree_id);
4490 	free(build_folder);
4491 	if (error == NULL && kerr != KCGI_OK)
4492 		error = gw_kcgi_error(kerr);
4493 	return error;
4494 }
4495 
4496 static const struct got_error *
4497 gw_output_repo_heads(struct gw_trans *gw_trans)
4498 {
4499 	const struct got_error *error = NULL;
4500 	struct got_reflist_head refs;
4501 	struct got_reflist_entry *re;
4502 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4503 	char *href_commits = NULL;
4504 	enum kcgi_err kerr = KCGI_OK;
4505 
4506 	TAILQ_INIT(&refs);
4507 
4508 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4509 	    got_ref_cmp_by_name, NULL);
4510 	if (error)
4511 		goto done;
4512 
4513 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4514 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4515 	if (kerr != KCGI_OK)
4516 		goto done;
4517 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4518 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4519 	if (kerr != KCGI_OK)
4520 		goto done;
4521 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4522 	if (kerr != KCGI_OK)
4523 		goto done;
4524 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4525 	if (kerr != KCGI_OK)
4526 		goto done;
4527 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4528 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4529 	if (kerr != KCGI_OK)
4530 		goto done;
4531 
4532 	TAILQ_FOREACH(re, &refs, entry) {
4533 		const char *refname;
4534 
4535 		if (got_ref_is_symbolic(re->ref))
4536 			continue;
4537 
4538 		refname = got_ref_get_name(re->ref);
4539 		if (strncmp(refname, "refs/heads/", 11) != 0)
4540 			continue;
4541 
4542 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4543 		    refname, TM_DIFF);
4544 		if (error)
4545 			goto done;
4546 
4547 		if (strncmp(refname, "refs/heads/", 11) == 0)
4548 			refname += 11;
4549 
4550 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4551 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4552 		if (kerr != KCGI_OK)
4553 			goto done;
4554 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4555 		    KATTR_ID, "heads_age", KATTR__MAX);
4556 		if (kerr != KCGI_OK)
4557 			goto done;
4558 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4559 		if (kerr != KCGI_OK)
4560 			goto done;
4561 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4562 		if (kerr != KCGI_OK)
4563 			goto done;
4564 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4565 		    KATTR_ID, "heads_space", KATTR__MAX);
4566 		if (kerr != KCGI_OK)
4567 			goto done;
4568 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4569 		if (kerr != KCGI_OK)
4570 			goto done;
4571 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4572 		if (kerr != KCGI_OK)
4573 			goto done;
4574 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4575 		    KATTR_ID, "head", KATTR__MAX);
4576 		if (kerr != KCGI_OK)
4577 			goto done;
4578 
4579 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4580 		    gw_trans->repo_name, "action", "summary", "headref",
4581 		    refname, NULL);
4582 		if (href_summary == NULL) {
4583 			error = got_error_from_errno("khttp_urlpart");
4584 			goto done;
4585 		}
4586 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4587 		    href_summary, KATTR__MAX);
4588 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4589 		if (kerr != KCGI_OK)
4590 			goto done;
4591 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4592 		if (kerr != KCGI_OK)
4593 			goto done;
4594 
4595 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4596 		    "navs_wrapper", KATTR__MAX);
4597 		if (kerr != KCGI_OK)
4598 			goto done;
4599 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4600 		    "navs", KATTR__MAX);
4601 		if (kerr != KCGI_OK)
4602 			goto done;
4603 
4604 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4605 		    href_summary, KATTR__MAX);
4606 		if (kerr != KCGI_OK)
4607 			goto done;
4608 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4609 		if (kerr != KCGI_OK)
4610 			goto done;
4611 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4612 		if (kerr != KCGI_OK)
4613 			goto done;
4614 
4615 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4616 		if (kerr != KCGI_OK)
4617 			goto done;
4618 
4619 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4620 		    gw_trans->repo_name, "action", "briefs", "headref",
4621 		    refname, NULL);
4622 		if (href_briefs == NULL) {
4623 			error = got_error_from_errno("khttp_urlpart");
4624 			goto done;
4625 		}
4626 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4627 		    href_briefs, KATTR__MAX);
4628 		if (kerr != KCGI_OK)
4629 			goto done;
4630 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4631 		if (kerr != KCGI_OK)
4632 			goto done;
4633 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4634 		if (kerr != KCGI_OK)
4635 			goto done;
4636 
4637 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4638 		if (kerr != KCGI_OK)
4639 			goto done;
4640 
4641 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4642 		    gw_trans->repo_name, "action", "commits", "headref",
4643 		    refname, NULL);
4644 		if (href_commits == NULL) {
4645 			error = got_error_from_errno("khttp_urlpart");
4646 			goto done;
4647 		}
4648 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4649 		    href_commits, KATTR__MAX);
4650 		if (kerr != KCGI_OK)
4651 			goto done;
4652 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4653 		if (kerr != KCGI_OK)
4654 			goto done;
4655 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4656 		if (kerr != KCGI_OK)
4657 			goto done;
4658 
4659 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4660 		    "dotted_line", KATTR__MAX);
4661 		if (kerr != KCGI_OK)
4662 			goto done;
4663 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4664 		if (kerr != KCGI_OK)
4665 			goto done;
4666 		free(href_summary);
4667 		href_summary = NULL;
4668 		free(href_briefs);
4669 		href_briefs = NULL;
4670 		free(href_commits);
4671 		href_commits = NULL;
4672 	}
4673 done:
4674 	got_ref_list_free(&refs);
4675 	free(href_summary);
4676 	free(href_briefs);
4677 	free(href_commits);
4678 	return error;
4679 }
4680 
4681 static const struct got_error *
4682 gw_output_site_link(struct gw_trans *gw_trans)
4683 {
4684 	const struct got_error *error = NULL;
4685 	char *href_summary = NULL;
4686 	enum kcgi_err kerr = KCGI_OK;
4687 
4688 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4689 	    "site_link", KATTR__MAX);
4690 	if (kerr != KCGI_OK)
4691 		goto done;
4692 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4693 	    KATTR__MAX);
4694 	if (kerr != KCGI_OK)
4695 		goto done;
4696 	kerr = khtml_puts(gw_trans->gw_html_req,
4697 	    gw_trans->gw_conf->got_site_link);
4698 	if (kerr != KCGI_OK)
4699 		goto done;
4700 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4701 	if (kerr != KCGI_OK)
4702 		goto done;
4703 
4704 	if (gw_trans->repo_name != NULL) {
4705 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4706 		if (kerr != KCGI_OK)
4707 			goto done;
4708 
4709 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4710 		    gw_trans->repo_name, "action", "summary", NULL);
4711 		if (href_summary == NULL) {
4712 			error = got_error_from_errno("khttp_urlpart");
4713 			goto done;
4714 		}
4715 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4716 		    href_summary, KATTR__MAX);
4717 		if (kerr != KCGI_OK)
4718 			goto done;
4719 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4720 		if (kerr != KCGI_OK)
4721 			goto done;
4722 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4723 		if (kerr != KCGI_OK)
4724 			goto done;
4725 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4726 		    gw_get_action_name(gw_trans));
4727 		if (kerr != KCGI_OK)
4728 			goto done;
4729 	}
4730 
4731 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4732 	if (kerr != KCGI_OK)
4733 		goto done;
4734 done:
4735 	free(href_summary);
4736 	if (error == NULL && kerr != KCGI_OK)
4737 		error = gw_kcgi_error(kerr);
4738 	return error;
4739 }
4740 
4741 static const struct got_error *
4742 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4743 {
4744 	const struct got_error *error = NULL;
4745 	char *color = NULL;
4746 	enum kcgi_err kerr = KCGI_OK;
4747 
4748 	if (strncmp(buf, "-", 1) == 0)
4749 		color = "diff_minus";
4750 	else if (strncmp(buf, "+", 1) == 0)
4751 		color = "diff_plus";
4752 	else if (strncmp(buf, "@@", 2) == 0)
4753 		color = "diff_chunk_header";
4754 	else if (strncmp(buf, "@@", 2) == 0)
4755 		color = "diff_chunk_header";
4756 	else if (strncmp(buf, "commit +", 8) == 0)
4757 		color = "diff_meta";
4758 	else if (strncmp(buf, "commit -", 8) == 0)
4759 		color = "diff_meta";
4760 	else if (strncmp(buf, "blob +", 6) == 0)
4761 		color = "diff_meta";
4762 	else if (strncmp(buf, "blob -", 6) == 0)
4763 		color = "diff_meta";
4764 	else if (strncmp(buf, "file +", 6) == 0)
4765 		color = "diff_meta";
4766 	else if (strncmp(buf, "file -", 6) == 0)
4767 		color = "diff_meta";
4768 	else if (strncmp(buf, "from:", 5) == 0)
4769 		color = "diff_author";
4770 	else if (strncmp(buf, "via:", 4) == 0)
4771 		color = "diff_author";
4772 	else if (strncmp(buf, "date:", 5) == 0)
4773 		color = "diff_date";
4774 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4775 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4776 	if (error == NULL && kerr != KCGI_OK)
4777 		error = gw_kcgi_error(kerr);
4778 	return error;
4779 }
4780 
4781 int
4782 main(int argc, char *argv[])
4783 {
4784 	const struct got_error *error = NULL, *error2 = NULL;
4785 	struct gw_trans *gw_trans;
4786 	struct gw_dir *dir = NULL, *tdir;
4787 	const char *page = "index";
4788 	enum kcgi_err kerr = KCGI_OK;
4789 
4790 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4791 		errx(1, "malloc");
4792 
4793 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4794 		errx(1, "malloc");
4795 
4796 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4797 		errx(1, "malloc");
4798 
4799 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4800 		errx(1, "malloc");
4801 
4802 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4803 	if (kerr != KCGI_OK) {
4804 		error = gw_kcgi_error(kerr);
4805 		goto done;
4806 	}
4807 
4808 	TAILQ_INIT(&gw_trans->gw_dirs);
4809 	TAILQ_INIT(&gw_trans->gw_headers);
4810 
4811 	gw_trans->action = -1;
4812 	gw_trans->page = 0;
4813 	gw_trans->repos_total = 0;
4814 	gw_trans->repo_path = NULL;
4815 	gw_trans->commit_id = NULL;
4816 	gw_trans->next_id = NULL;
4817 	gw_trans->prev_id = NULL;
4818 	gw_trans->headref = GOT_REF_HEAD;
4819 	gw_trans->mime = KMIME_TEXT_HTML;
4820 	gw_trans->gw_tmpl->key = gw_templs;
4821 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4822 	gw_trans->gw_tmpl->arg = gw_trans;
4823 	gw_trans->gw_tmpl->cb = gw_template;
4824 
4825 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4826 	if (error)
4827 		goto done;
4828 
4829 	error = gw_parse_querystring(gw_trans);
4830 	if (error)
4831 		goto done;
4832 
4833 	if (gw_trans->action == GW_BLOB)
4834 		error = gw_blob(gw_trans);
4835 	else
4836 		error = gw_display_index(gw_trans);
4837 done:
4838 	if (gw_trans->repo) {
4839 		const struct got_error *close_err;
4840 		close_err = got_repo_close(gw_trans->repo);
4841 		if (error == NULL)
4842 			error = close_err;
4843 	}
4844 	if (error) {
4845 		gw_trans->error = error;
4846 		gw_trans->action = GW_ERR;
4847 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4848 		if (error2)
4849 			goto cleanup; /* we can't display an error page */
4850 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4851 		if (kerr != KCGI_OK)
4852 			goto cleanup; /* we can't display an error page */
4853 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4854 			gw_query_funcs[gw_trans->action].template);
4855 		if (kerr != KCGI_OK) {
4856 			khtml_close(gw_trans->gw_html_req);
4857 			goto cleanup; /* we can't display an error page */
4858 		}
4859 	}
4860 
4861 cleanup:
4862 	free(gw_trans->gw_conf->got_repos_path);
4863 	free(gw_trans->gw_conf->got_www_path);
4864 	free(gw_trans->gw_conf->got_site_name);
4865 	free(gw_trans->gw_conf->got_site_owner);
4866 	free(gw_trans->gw_conf->got_site_link);
4867 	free(gw_trans->gw_conf->got_logo);
4868 	free(gw_trans->gw_conf->got_logo_url);
4869 	free(gw_trans->gw_conf);
4870 	free(gw_trans->commit_id);
4871 	free(gw_trans->next_id);
4872 	free(gw_trans->prev_id);
4873 	free(gw_trans->repo_path);
4874 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4875 		free(dir->name);
4876 		free(dir->description);
4877 		free(dir->age);
4878 		free(dir->url);
4879 		free(dir->path);
4880 		free(dir);
4881 	}
4882 
4883 	khttp_free(gw_trans->gw_req);
4884 	return 0;
4885 }