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 	int			*pack_fds;
79 };
80 
81 struct gw_header {
82 	TAILQ_ENTRY(gw_header)		 entry;
83 	struct got_reflist_head		 refs;
84 	char				*path;
85 
86 	char			*refs_str;
87 	char			*commit_id; /* id_str1 */
88 	char			*parent_id; /* id_str2 */
89 	char			*tree_id;
90 	char			*author;
91 	char			*committer;
92 	char			*commit_msg;
93 	time_t			 committer_time;
94 };
95 
96 struct gw_dir {
97 	TAILQ_ENTRY(gw_dir)	 entry;
98 	char			*name;
99 	char			*owner;
100 	char			*description;
101 	char			*url;
102 	char			*age;
103 	char			*path;
104 };
105 
106 enum gw_key {
107 	KEY_ACTION,
108 	KEY_COMMIT_ID,
109 	KEY_FILE,
110 	KEY_FOLDER,
111 	KEY_HEADREF,
112 	KEY_PAGE,
113 	KEY_PATH,
114 	KEY_PREV_ID,
115 	KEY__ZMAX
116 };
117 
118 enum gw_tmpl {
119 	TEMPL_CONTENT,
120 	TEMPL_HEAD,
121 	TEMPL_HEADER,
122 	TEMPL_SEARCH,
123 	TEMPL_SITEPATH,
124 	TEMPL_SITEOWNER,
125 	TEMPL_TITLE,
126 	TEMPL__MAX
127 };
128 
129 enum gw_ref_tm {
130 	TM_DIFF,
131 	TM_LONG,
132 };
133 
134 enum gw_tags_type {
135 	TAGBRIEF,
136 	TAGFULL,
137 };
138 
139 static const char *const gw_templs[TEMPL__MAX] = {
140 	"content",
141 	"head",
142 	"header",
143 	"search",
144 	"sitepath",
145 	"siteowner",
146 	"title",
147 };
148 
149 static const struct kvalid gw_keys[KEY__ZMAX] = {
150 	{ kvalid_stringne,	"action" },
151 	{ kvalid_stringne,	"commit" },
152 	{ kvalid_stringne,	"file" },
153 	{ kvalid_stringne,	"folder" },
154 	{ kvalid_stringne,	"headref" },
155 	{ kvalid_int,		"page" },
156 	{ kvalid_stringne,	"path" },
157 	{ kvalid_stringne,	"prev" },
158 };
159 
160 static struct gw_header		*gw_init_header(void);
161 
162 static void			 gw_free_header(struct gw_header *);
163 
164 static int			 gw_template(size_t, void *);
165 
166 static const struct got_error	*gw_error(struct gw_trans *);
167 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
168 static const struct got_error	*gw_get_repo_description(char **,
169 				    struct gw_trans *, char *);
170 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
171 				    char *);
172 static const struct got_error	*gw_get_time_str(char **, time_t, int);
173 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
174 				    char *, const char *, int);
175 static const struct got_error	*gw_output_file_blame(struct gw_trans *,
176 				    struct gw_header *);
177 static const struct got_error	*gw_output_blob_buf(struct gw_trans *,
178 				    struct gw_header *);
179 static const struct got_error	*gw_output_repo_tree(struct gw_trans *,
180 				    struct gw_header *);
181 static const struct got_error	*gw_output_diff(struct gw_trans *,
182 				    struct gw_header *);
183 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
184 				    struct gw_header *, int, int);
185 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
186 static const struct got_error	*gw_output_site_link(struct gw_trans *);
187 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
188 				    char *);
189 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
190 
191 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
192 				    char*);
193 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
194 				    char*);
195 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
196 				    const char *);
197 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
198 				    const char *);
199 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
200 				    const char *);
201 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
202 				    char *);
203 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
204 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
205 				    enum kmime);
206 static const struct got_error	*gw_display_index(struct gw_trans *);
207 static const struct got_error	*gw_get_header(struct gw_trans *,
208 				    struct gw_header *, int);
209 static const struct got_error	*gw_get_commits(struct gw_trans *,
210 				    struct gw_header *, int,
211 				    struct got_object_id *);
212 static const struct got_error	*gw_get_commit(struct gw_trans *,
213 				    struct gw_header *,
214 				    struct got_commit_object *,
215 				    struct got_object_id *);
216 static const struct got_error	*gw_apply_unveil(const char *);
217 static const struct got_error	*gw_blame_cb(void *, int, int,
218 				    struct got_commit_object *,
219 				    struct got_object_id *);
220 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
221 static const struct got_error	*gw_load_got_path(struct gw_trans *,
222 				    struct gw_dir *);
223 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
224 static const struct got_error	*gw_blame(struct gw_trans *);
225 static const struct got_error	*gw_blob(struct gw_trans *);
226 static const struct got_error	*gw_diff(struct gw_trans *);
227 static const struct got_error	*gw_index(struct gw_trans *);
228 static const struct got_error	*gw_commits(struct gw_trans *);
229 static const struct got_error	*gw_briefs(struct gw_trans *);
230 static const struct got_error	*gw_summary(struct gw_trans *);
231 static const struct got_error	*gw_tree(struct gw_trans *);
232 static const struct got_error	*gw_tag(struct gw_trans *);
233 static const struct got_error	*gw_tags(struct gw_trans *);
234 
235 struct gw_query_action {
236 	unsigned int		 func_id;
237 	const char		*func_name;
238 	const struct got_error	*(*func_main)(struct gw_trans *);
239 	const char		*template;
240 };
241 
242 enum gw_query_actions {
243 	GW_BLAME,
244 	GW_BLOB,
245 	GW_BRIEFS,
246 	GW_COMMITS,
247 	GW_DIFF,
248 	GW_ERR,
249 	GW_INDEX,
250 	GW_SUMMARY,
251 	GW_TAG,
252 	GW_TAGS,
253 	GW_TREE,
254 };
255 
256 static const struct gw_query_action gw_query_funcs[] = {
257 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
258 	{ GW_BLOB,	"blob",		NULL,		NULL },
259 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
260 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
261 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
262 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
263 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
264 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
265 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
266 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
267 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
268 };
269 
270 static const char * 
271 gw_get_action_name(struct gw_trans *gw_trans)
272 {
273 	return gw_query_funcs[gw_trans->action].func_name;
274 }
275 
276 static const struct got_error *
277 gw_kcgi_error(enum kcgi_err kerr)
278 {
279 	if (kerr == KCGI_OK)
280 		return NULL;
281 
282 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
283 		return got_error(GOT_ERR_CANCELLED);
284 
285 	if (kerr == KCGI_ENOMEM)
286 		return got_error_set_errno(ENOMEM,
287 		    kcgi_strerror(kerr));
288 
289 	if (kerr == KCGI_ENFILE)
290 		return got_error_set_errno(ENFILE,
291 		    kcgi_strerror(kerr));
292 
293 	if (kerr == KCGI_EAGAIN)
294 		return got_error_set_errno(EAGAIN,
295 		    kcgi_strerror(kerr));
296 
297 	if (kerr == KCGI_FORM)
298 		return got_error_msg(GOT_ERR_IO,
299 		    kcgi_strerror(kerr));
300 
301 	return got_error_from_errno(kcgi_strerror(kerr));
302 }
303 
304 static const struct got_error *
305 gw_apply_unveil(const char *repo_path)
306 {
307 	const struct got_error *err;
308 
309 #ifdef PROFILE
310 	if (unveil("gmon.out", "rwc") != 0)
311 		return got_error_from_errno2("unveil", "gmon.out");
312 #endif
313 	if (repo_path && unveil(repo_path, "r") != 0)
314 		return got_error_from_errno2("unveil", repo_path);
315 
316 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
317 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
318 
319 	err = got_privsep_unveil_exec_helpers();
320 	if (err != NULL)
321 		return err;
322 
323 	if (unveil(NULL, NULL) != 0)
324 		return got_error_from_errno("unveil");
325 
326 	return NULL;
327 }
328 
329 static int
330 isbinary(const uint8_t *buf, size_t n)
331 {
332 	size_t i;
333 
334 	for (i = 0; i < n; i++)
335 		if (buf[i] == 0)
336 			return 1;
337 	return 0;
338 }
339 
340 static const struct got_error *
341 gw_blame(struct gw_trans *gw_trans)
342 {
343 	const struct got_error *error = NULL;
344 	struct gw_header *header = NULL;
345 	char *age = NULL;
346 	enum kcgi_err kerr = KCGI_OK;
347 
348 #ifndef PROFILE
349 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
350 	    NULL) == -1)
351 		return got_error_from_errno("pledge");
352 #endif
353 	if ((header = gw_init_header()) == NULL)
354 		return got_error_from_errno("malloc");
355 
356 	error = gw_apply_unveil(gw_trans->gw_dir->path);
357 	if (error)
358 		goto done;
359 
360 	/* check querystring */
361 	if (gw_trans->repo_file == NULL) {
362 		error = got_error_msg(GOT_ERR_QUERYSTRING,
363 		    "file required in querystring");
364 		goto done;
365 	}
366 	if (gw_trans->commit_id == NULL) {
367 		error = got_error_msg(GOT_ERR_QUERYSTRING,
368 		    "commit required in querystring");
369 		goto done;
370 	}
371 
372 	error = gw_get_header(gw_trans, header, 1);
373 	if (error)
374 		goto done;
375 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
376 	    "blame_header_wrapper", KATTR__MAX);
377 	if (kerr != KCGI_OK)
378 		goto done;
379 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
380 	    "blame_header", KATTR__MAX);
381 	if (kerr != KCGI_OK)
382 		goto done;
383 	error = gw_get_time_str(&age, header->committer_time,
384 	    TM_LONG);
385 	if (error)
386 		goto done;
387 	error = gw_gen_age_header(gw_trans, age ?age : "");
388 	if (error)
389 		goto done;
390 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
391 	if (error)
392 		goto done;
393 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
394 	if (kerr != KCGI_OK)
395 		goto done;
396 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
397 	    "dotted_line", KATTR__MAX);
398 	if (kerr != KCGI_OK)
399 		goto done;
400 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
401 	if (kerr != KCGI_OK)
402 		goto done;
403 
404 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
405 	    "blame", KATTR__MAX);
406 	if (kerr != KCGI_OK)
407 		goto done;
408 	error = gw_output_file_blame(gw_trans, header);
409 	if (error)
410 		goto done;
411 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
412 done:
413 	gw_free_header(header);
414 	if (error == NULL && kerr != KCGI_OK)
415 		error = gw_kcgi_error(kerr);
416 	return error;
417 }
418 
419 static const struct got_error *
420 gw_blob(struct gw_trans *gw_trans)
421 {
422 	const struct got_error *error = NULL, *err = NULL;
423 	struct gw_header *header = NULL;
424 	enum kcgi_err kerr = KCGI_OK;
425 
426 #ifndef PROFILE
427 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
428 	    NULL) == -1)
429 		return got_error_from_errno("pledge");
430 #endif
431 	if ((header = gw_init_header()) == NULL)
432 		return got_error_from_errno("malloc");
433 
434 	error = gw_apply_unveil(gw_trans->gw_dir->path);
435 	if (error)
436 		goto done;
437 
438 	/* check querystring */
439 	if (gw_trans->repo_file == NULL) {
440 		error = got_error_msg(GOT_ERR_QUERYSTRING,
441 		    "file required in querystring");
442 		goto done;
443 	}
444 	if (gw_trans->commit_id == NULL) {
445 		error = got_error_msg(GOT_ERR_QUERYSTRING,
446 		    "commit required in querystring");
447 		goto done;
448 	}
449 	error = gw_get_header(gw_trans, header, 1);
450 	if (error)
451 		goto done;
452 
453 	error = gw_output_blob_buf(gw_trans, header);
454 done:
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 wpath cpath 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 wpath cpath 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 wpath cpath 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 wpath cpath proc exec sendfd unveil",
1462 	    NULL) == -1)
1463 		return got_error_from_errno("pledge");
1464 #endif
1465 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1466 	if (error)
1467 		goto done;
1468 
1469 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1470 	    "summary_wrapper", KATTR__MAX);
1471 	if (kerr != KCGI_OK)
1472 		return gw_kcgi_error(kerr);
1473 
1474 	if (gw_trans->gw_conf->got_show_repo_description &&
1475 	    gw_trans->gw_dir->description != NULL &&
1476 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1477 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1478 		    KATTR_ID, "description_title", KATTR__MAX);
1479 		if (kerr != KCGI_OK)
1480 			goto done;
1481 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1482 		if (kerr != KCGI_OK)
1483 			goto done;
1484 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1485 		if (kerr != KCGI_OK)
1486 			goto done;
1487 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1488 		    KATTR_ID, "description", KATTR__MAX);
1489 		if (kerr != KCGI_OK)
1490 			goto done;
1491 		kerr = khtml_puts(gw_trans->gw_html_req,
1492 		    gw_trans->gw_dir->description);
1493 		if (kerr != KCGI_OK)
1494 			goto done;
1495 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1496 		if (kerr != KCGI_OK)
1497 			goto done;
1498 	}
1499 
1500 	if (gw_trans->gw_conf->got_show_repo_owner &&
1501 	    gw_trans->gw_dir->owner != NULL &&
1502 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1503 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1504 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1505 		if (kerr != KCGI_OK)
1506 			goto done;
1507 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1508 		if (kerr != KCGI_OK)
1509 			goto done;
1510 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1511 		if (kerr != KCGI_OK)
1512 			goto done;
1513 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1514 		    KATTR_ID, "repo_owner", KATTR__MAX);
1515 		if (kerr != KCGI_OK)
1516 			goto done;
1517 		kerr = khtml_puts(gw_trans->gw_html_req,
1518 		    gw_trans->gw_dir->owner);
1519 		if (kerr != KCGI_OK)
1520 			goto done;
1521 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1522 		if (kerr != KCGI_OK)
1523 			goto done;
1524 	}
1525 
1526 	if (gw_trans->gw_conf->got_show_repo_age) {
1527 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1528 		    NULL, TM_LONG);
1529 		if (error)
1530 			goto done;
1531 		if (age != NULL) {
1532 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1533 			    KATTR_ID, "last_change_title", KATTR__MAX);
1534 			if (kerr != KCGI_OK)
1535 				goto done;
1536 			kerr = khtml_puts(gw_trans->gw_html_req,
1537 			    "Last Change: ");
1538 			if (kerr != KCGI_OK)
1539 				goto done;
1540 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1541 			if (kerr != KCGI_OK)
1542 				goto done;
1543 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1544 			    KATTR_ID, "last_change", KATTR__MAX);
1545 			if (kerr != KCGI_OK)
1546 				goto done;
1547 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1548 			if (kerr != KCGI_OK)
1549 				goto done;
1550 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1551 			if (kerr != KCGI_OK)
1552 				goto done;
1553 		}
1554 	}
1555 
1556 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1557 	    gw_trans->gw_dir->url != NULL &&
1558 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1559 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1560 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1561 		if (kerr != KCGI_OK)
1562 			goto done;
1563 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1564 		if (kerr != KCGI_OK)
1565 			goto done;
1566 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1567 		if (kerr != KCGI_OK)
1568 			goto done;
1569 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1570 		    KATTR_ID, "cloneurl", KATTR__MAX);
1571 		if (kerr != KCGI_OK)
1572 			goto done;
1573 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1574 		if (kerr != KCGI_OK)
1575 			goto done;
1576 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1577 		if (kerr != KCGI_OK)
1578 			goto done;
1579 	}
1580 
1581 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1582 	if (kerr != KCGI_OK)
1583 		goto done;
1584 
1585 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1586 	    "briefs_title_wrapper", KATTR__MAX);
1587 	if (kerr != KCGI_OK)
1588 		goto done;
1589 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1590 	    "briefs_title", KATTR__MAX);
1591 	if (kerr != KCGI_OK)
1592 		goto done;
1593 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1594 	if (kerr != KCGI_OK)
1595 		goto done;
1596 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1597 	if (kerr != KCGI_OK)
1598 		goto done;
1599 	error = gw_briefs(gw_trans);
1600 	if (error)
1601 		goto done;
1602 
1603 	error = gw_tags(gw_trans);
1604 	if (error)
1605 		goto done;
1606 
1607 	error = gw_output_repo_heads(gw_trans);
1608 done:
1609 	free(age);
1610 	if (error == NULL && kerr != KCGI_OK)
1611 		error = gw_kcgi_error(kerr);
1612 	return error;
1613 }
1614 
1615 static const struct got_error *
1616 gw_tree(struct gw_trans *gw_trans)
1617 {
1618 	const struct got_error *error = NULL;
1619 	struct gw_header *header = NULL;
1620 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1621 	char *age = NULL;
1622 	enum kcgi_err kerr = KCGI_OK;
1623 
1624 #ifndef PROFILE
1625 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
1626 	    NULL) == -1)
1627 		return got_error_from_errno("pledge");
1628 #endif
1629 	if ((header = gw_init_header()) == NULL)
1630 		return got_error_from_errno("malloc");
1631 
1632 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1633 	if (error)
1634 		goto done;
1635 
1636 	error = gw_get_header(gw_trans, header, 1);
1637 	if (error)
1638 		goto done;
1639 
1640 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1641 	    "tree_header_wrapper", KATTR__MAX);
1642 	if (kerr != KCGI_OK)
1643 		goto done;
1644 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1645 	    "tree_header", KATTR__MAX);
1646 	if (kerr != KCGI_OK)
1647 		goto done;
1648 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1649 	if (error)
1650 		goto done;
1651 	error = gw_get_time_str(&age, header->committer_time,
1652 	    TM_LONG);
1653 	if (error)
1654 		goto done;
1655 	error = gw_gen_age_header(gw_trans, age ?age : "");
1656 	if (error)
1657 		goto done;
1658 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1659 	if (error)
1660 		goto done;
1661 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1662 	if (kerr != KCGI_OK)
1663 		goto done;
1664 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1665 	    "dotted_line", KATTR__MAX);
1666 	if (kerr != KCGI_OK)
1667 		goto done;
1668 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1669 	if (kerr != KCGI_OK)
1670 		goto done;
1671 
1672 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1673 	    "tree", KATTR__MAX);
1674 	if (kerr != KCGI_OK)
1675 		goto done;
1676 	error = gw_output_repo_tree(gw_trans, header);
1677 	if (error)
1678 		goto done;
1679 
1680 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1681 done:
1682 	gw_free_header(header);
1683 	free(tree_html_disp);
1684 	free(tree_html);
1685 	free(tree);
1686 	free(age);
1687 	if (error == NULL && kerr != KCGI_OK)
1688 		error = gw_kcgi_error(kerr);
1689 	return error;
1690 }
1691 
1692 static const struct got_error *
1693 gw_tags(struct gw_trans *gw_trans)
1694 {
1695 	const struct got_error *error = NULL;
1696 	struct gw_header *header = NULL;
1697 	char *href_next = NULL, *href_prev = NULL;
1698 	enum kcgi_err kerr = KCGI_OK;
1699 
1700 #ifndef PROFILE
1701 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
1702 	    NULL) == -1)
1703 		return got_error_from_errno("pledge");
1704 #endif
1705 	if ((header = gw_init_header()) == NULL)
1706 		return got_error_from_errno("malloc");
1707 
1708 	if (gw_trans->action != GW_SUMMARY) {
1709 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1710 		if (error)
1711 			goto done;
1712 	}
1713 
1714 	error = gw_get_header(gw_trans, header, 1);
1715 	if (error)
1716 		goto done;
1717 
1718 	if (gw_trans->action == GW_SUMMARY) {
1719 		gw_trans->next_id = NULL;
1720 		error = gw_output_repo_tags(gw_trans, header,
1721 		    D_MAXSLCOMMDISP, TAGBRIEF);
1722 		if (error)
1723 			goto done;
1724 	} else {
1725 		error = gw_output_repo_tags(gw_trans, header,
1726 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1727 		if (error)
1728 			goto done;
1729 	}
1730 
1731 	if (gw_trans->next_id || gw_trans->page > 0) {
1732 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1733 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1734 		if (kerr != KCGI_OK)
1735 			goto done;
1736 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1737 		    KATTR_ID, "nav_prev", KATTR__MAX);
1738 		if (kerr != KCGI_OK)
1739 			goto done;
1740 	}
1741 
1742 	if (gw_trans->prev_id) {
1743 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1744 		    KATTRX_STRING, gw_trans->repo_name, "page",
1745 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1746 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1747 		    gw_trans->prev_id ? gw_trans->prev_id : "", NULL);
1748 		if (href_prev == NULL) {
1749 			error = got_error_from_errno("khttp_urlpartx");
1750 			goto done;
1751 		}
1752 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1753 		    KATTR_HREF, href_prev, KATTR__MAX);
1754 		if (kerr != KCGI_OK)
1755 			goto done;
1756 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1757 		if (kerr != KCGI_OK)
1758 			goto done;
1759 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1760 		if (kerr != KCGI_OK)
1761 			goto done;
1762 	}
1763 
1764 	if (gw_trans->next_id || gw_trans->page > 0) {
1765 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1766 		if (kerr != KCGI_OK)
1767 			return gw_kcgi_error(kerr);
1768 	}
1769 
1770 	if (gw_trans->next_id) {
1771 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1772 		    KATTR_ID, "nav_next", KATTR__MAX);
1773 		if (kerr != KCGI_OK)
1774 			goto done;
1775 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1776 		    KATTRX_STRING, gw_trans->repo_name, "page",
1777 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1778 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1779 		    gw_trans->next_id, NULL);
1780 		if (href_next == NULL) {
1781 			error = got_error_from_errno("khttp_urlpartx");
1782 			goto done;
1783 		}
1784 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1785 		    KATTR_HREF, href_next, KATTR__MAX);
1786 		if (kerr != KCGI_OK)
1787 			goto done;
1788 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1789 		if (kerr != KCGI_OK)
1790 			goto done;
1791 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1792 		if (kerr != KCGI_OK)
1793 			goto done;
1794 	}
1795 
1796 	if (gw_trans->next_id || gw_trans->page > 0) {
1797 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1798 		if (kerr != KCGI_OK)
1799 			goto done;
1800 	}
1801 done:
1802 	gw_free_header(header);
1803 	free(href_next);
1804 	free(href_prev);
1805 	if (error == NULL && kerr != KCGI_OK)
1806 		error = gw_kcgi_error(kerr);
1807 	return error;
1808 }
1809 
1810 static const struct got_error *
1811 gw_tag(struct gw_trans *gw_trans)
1812 {
1813 	const struct got_error *error = NULL;
1814 	struct gw_header *header = NULL;
1815 	enum kcgi_err kerr = KCGI_OK;
1816 
1817 #ifndef PROFILE
1818 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil", NULL) == -1)
1819 		return got_error_from_errno("pledge");
1820 #endif
1821 	if ((header = gw_init_header()) == NULL)
1822 		return got_error_from_errno("malloc");
1823 
1824 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1825 	if (error)
1826 		goto done;
1827 
1828 	if (gw_trans->commit_id == NULL) {
1829 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1830 		    "commit required in querystring");
1831 		goto done;
1832 	}
1833 
1834 	error = gw_get_header(gw_trans, header, 1);
1835 	if (error)
1836 		goto done;
1837 
1838 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1839 	    "tag_header_wrapper", KATTR__MAX);
1840 	if (kerr != KCGI_OK)
1841 		goto done;
1842 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1843 	    "tag_header", KATTR__MAX);
1844 	if (kerr != KCGI_OK)
1845 		goto done;
1846 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1847 	    header->refs_str);
1848 	if (error)
1849 		goto done;
1850 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1851 	if (error)
1852 		goto done;
1853 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1854 	if (kerr != KCGI_OK)
1855 		goto done;
1856 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1857 	    "dotted_line", KATTR__MAX);
1858 	if (kerr != KCGI_OK)
1859 		goto done;
1860 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1861 	if (kerr != KCGI_OK)
1862 		goto done;
1863 
1864 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1865 	    "tree", KATTR__MAX);
1866 	if (kerr != KCGI_OK)
1867 		goto done;
1868 
1869 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1870 	if (error)
1871 		goto done;
1872 
1873 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1874 done:
1875 	gw_free_header(header);
1876 	if (error == NULL && kerr != KCGI_OK)
1877 		error = gw_kcgi_error(kerr);
1878 	return error;
1879 }
1880 
1881 static const struct got_error *
1882 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1883 {
1884 	const struct got_error *error = NULL;
1885 	DIR *dt;
1886 	char *dir_test;
1887 	int opened = 0;
1888 
1889 	if (asprintf(&dir_test, "%s/%s/%s",
1890 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1891 	    GOTWEB_GIT_DIR) == -1)
1892 		return got_error_from_errno("asprintf");
1893 
1894 	dt = opendir(dir_test);
1895 	if (dt == NULL) {
1896 		free(dir_test);
1897 	} else {
1898 		gw_dir->path = strdup(dir_test);
1899 		if (gw_dir->path == NULL) {
1900 			opened = 1;
1901 			error = got_error_from_errno("strdup");
1902 			goto errored;
1903 		}
1904 		opened = 1;
1905 		goto done;
1906 	}
1907 
1908 	if (asprintf(&dir_test, "%s/%s/%s",
1909 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1910 	    GOTWEB_GOT_DIR) == -1) {
1911 		dir_test = NULL;
1912 		error = got_error_from_errno("asprintf");
1913 		goto errored;
1914 	}
1915 
1916 	dt = opendir(dir_test);
1917 	if (dt == NULL)
1918 		free(dir_test);
1919 	else {
1920 		opened = 1;
1921 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1922 		goto errored;
1923 	}
1924 
1925 	if (asprintf(&dir_test, "%s/%s",
1926 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1927 		error = got_error_from_errno("asprintf");
1928 		dir_test = NULL;
1929 		goto errored;
1930 	}
1931 
1932 	gw_dir->path = strdup(dir_test);
1933 	if (gw_dir->path == NULL) {
1934 		opened = 1;
1935 		error = got_error_from_errno("strdup");
1936 		goto errored;
1937 	}
1938 
1939 	dt = opendir(dir_test);
1940 	if (dt == NULL) {
1941 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1942 		goto errored;
1943 	} else
1944 		opened = 1;
1945 done:
1946 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1947 	    gw_dir->path);
1948 	if (error)
1949 		goto errored;
1950 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1951 	if (error)
1952 		goto errored;
1953 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1954 	    NULL, TM_DIFF);
1955 	if (error)
1956 		goto errored;
1957 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1958 errored:
1959 	free(dir_test);
1960 	if (opened)
1961 		if (dt && closedir(dt) == -1 && error == NULL)
1962 			error = got_error_from_errno("closedir");
1963 	return error;
1964 }
1965 
1966 static const struct got_error *
1967 gw_load_got_paths(struct gw_trans *gw_trans)
1968 {
1969 	const struct got_error *error = NULL;
1970 	DIR *d;
1971 	struct dirent **sd_dent;
1972 	struct gw_dir *gw_dir;
1973 	struct stat st;
1974 	unsigned int d_cnt, d_i;
1975 
1976 	d = opendir(gw_trans->gw_conf->got_repos_path);
1977 	if (d == NULL) {
1978 		error = got_error_from_errno2("opendir",
1979 		    gw_trans->gw_conf->got_repos_path);
1980 		return error;
1981 	}
1982 
1983 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1984 	    alphasort);
1985 	if (d_cnt == -1) {
1986 		error = got_error_from_errno2("scandir",
1987 		    gw_trans->gw_conf->got_repos_path);
1988 		goto done;
1989 	}
1990 
1991 	for (d_i = 0; d_i < d_cnt; d_i++) {
1992 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1993 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1994 			break; /* account for parent and self */
1995 
1996 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1997 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1998 			continue;
1999 
2000 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
2001 		if (error)
2002 			goto done;
2003 
2004 		error = gw_load_got_path(gw_trans, gw_dir);
2005 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
2006 			error = NULL;
2007 			continue;
2008 		} else if (error && error->code != GOT_ERR_LONELY_PACKIDX)
2009 			goto done;
2010 
2011 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
2012 		    !got_path_dir_is_empty(gw_dir->path)) {
2013 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
2014 			    entry);
2015 			gw_trans->repos_total++;
2016 		}
2017 	}
2018 done:
2019 	if (d && closedir(d) == -1 && error == NULL)
2020 		error = got_error_from_errno("closedir");
2021 	return error;
2022 }
2023 
2024 static const struct got_error *
2025 gw_parse_querystring(struct gw_trans *gw_trans)
2026 {
2027 	const struct got_error *error = NULL;
2028 	struct kpair *p;
2029 	const struct gw_query_action *action = NULL;
2030 	unsigned int i;
2031 
2032 	if (gw_trans->gw_req->fieldnmap[0]) {
2033 		return got_error(GOT_ERR_QUERYSTRING);
2034 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2035 		/* define gw_trans->repo_path */
2036 		gw_trans->repo_name = p->parsed.s;
2037 
2038 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2039 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2040 			return got_error_from_errno("asprintf");
2041 
2042 		/* get action and set function */
2043 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2044 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2045 				action = &gw_query_funcs[i];
2046 				if (action->func_name == NULL)
2047 					continue;
2048 				if (strcmp(action->func_name,
2049 				    p->parsed.s) == 0) {
2050 					gw_trans->action = i;
2051 					break;
2052 				}
2053 			}
2054 		}
2055 		if (gw_trans->action == -1) {
2056 			gw_trans->action = GW_ERR;
2057 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2058 			    p != NULL ? "bad action in querystring" :
2059 			    "no action in querystring");
2060 			return error;
2061 		}
2062 
2063 		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2064 			if (asprintf(&gw_trans->commit_id, "%s",
2065 			    p->parsed.s) == -1)
2066 				return got_error_from_errno("asprintf");
2067 		}
2068 
2069 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2070 			gw_trans->repo_file = p->parsed.s;
2071 
2072 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2073 			if (asprintf(&gw_trans->repo_folder, "%s",
2074 			    p->parsed.s) == -1)
2075 				return got_error_from_errno("asprintf");
2076 		}
2077 
2078 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2079 			if (asprintf(&gw_trans->prev_id, "%s",
2080 			    p->parsed.s) == -1)
2081 				return got_error_from_errno("asprintf");
2082 		}
2083 
2084 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2085 			gw_trans->headref = p->parsed.s;
2086 
2087 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2088 		if (error)
2089 			return error;
2090 
2091 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2092 	} else
2093 		gw_trans->action = GW_INDEX;
2094 
2095 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2096 		gw_trans->page = p->parsed.i;
2097 
2098 	return error;
2099 }
2100 
2101 static const struct got_error *
2102 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2103 {
2104 	const struct got_error *error;
2105 
2106 	*gw_dir = malloc(sizeof(**gw_dir));
2107 	if (*gw_dir == NULL)
2108 		return got_error_from_errno("malloc");
2109 
2110 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2111 		error = got_error_from_errno("asprintf");
2112 		free(*gw_dir);
2113 		*gw_dir = NULL;
2114 		return error;
2115 	}
2116 
2117 	return NULL;
2118 }
2119 
2120 static const struct got_error *
2121 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2122 {
2123 	enum kcgi_err kerr = KCGI_OK;
2124 
2125 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2126 	if (kerr != KCGI_OK)
2127 		return gw_kcgi_error(kerr);
2128 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2129 	    khttps[code]);
2130 	if (kerr != KCGI_OK)
2131 		return gw_kcgi_error(kerr);
2132 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2133 	    kmimetypes[mime]);
2134 	if (kerr != KCGI_OK)
2135 		return gw_kcgi_error(kerr);
2136 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2137 	    "nosniff");
2138 	if (kerr != KCGI_OK)
2139 		return gw_kcgi_error(kerr);
2140 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2141 	if (kerr != KCGI_OK)
2142 		return gw_kcgi_error(kerr);
2143 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2144 	    "1; mode=block");
2145 	if (kerr != KCGI_OK)
2146 		return gw_kcgi_error(kerr);
2147 
2148 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2149 		kerr = khttp_head(gw_trans->gw_req,
2150 		    kresps[KRESP_CONTENT_DISPOSITION],
2151 		    "attachment; filename=%s", gw_trans->repo_file);
2152 		if (kerr != KCGI_OK)
2153 			return gw_kcgi_error(kerr);
2154 	}
2155 
2156 	kerr = khttp_body(gw_trans->gw_req);
2157 	return gw_kcgi_error(kerr);
2158 }
2159 
2160 static const struct got_error *
2161 gw_display_index(struct gw_trans *gw_trans)
2162 {
2163 	const struct got_error *error;
2164 	enum kcgi_err kerr = KCGI_OK;
2165 
2166 	/* catch early querystring errors */
2167 	if (gw_trans->error)
2168 		gw_trans->action = GW_ERR;
2169 
2170 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2171 	if (error)
2172 		return error;
2173 
2174 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2175 	if (kerr != KCGI_OK)
2176 		return gw_kcgi_error(kerr);
2177 
2178 	if (gw_trans->action != GW_BLOB) {
2179 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2180 		    gw_query_funcs[gw_trans->action].template);
2181 		if (kerr != KCGI_OK) {
2182 			khtml_close(gw_trans->gw_html_req);
2183 			return gw_kcgi_error(kerr);
2184 		}
2185 	}
2186 
2187 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2188 }
2189 
2190 static const struct got_error *
2191 gw_error(struct gw_trans *gw_trans)
2192 {
2193 	enum kcgi_err kerr = KCGI_OK;
2194 
2195 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2196 
2197 	return gw_kcgi_error(kerr);
2198 }
2199 
2200 static int
2201 gw_template(size_t key, void *arg)
2202 {
2203 	const struct got_error *error = NULL;
2204 	enum kcgi_err kerr = KCGI_OK;
2205 	struct gw_trans *gw_trans = arg;
2206 	char *ati = NULL, *fic32 = NULL, *fic16 = NULL;
2207 	char *swm = NULL, *spt = NULL, *css = NULL, *logo = NULL;
2208 
2209 	if (asprintf(&ati, "%s%s", gw_trans->gw_conf->got_www_path,
2210 	    "/apple-touch-icon.png") == -1)
2211 		goto err;
2212 	if (asprintf(&fic32, "%s%s", gw_trans->gw_conf->got_www_path,
2213 	    "/favicon-32x32.png") == -1)
2214 		goto err;
2215 	if (asprintf(&fic16, "%s%s", gw_trans->gw_conf->got_www_path,
2216 	    "/favicon-16x16.png") == -1)
2217 		goto err;
2218 	if (asprintf(&swm, "%s%s", gw_trans->gw_conf->got_www_path,
2219 	    "/site.webmanifest") == -1)
2220 		goto err;
2221 	if (asprintf(&spt, "%s%s", gw_trans->gw_conf->got_www_path,
2222 	    "/safari-pinned-tab.svg") == -1)
2223 		goto err;
2224 	if (asprintf(&css, "%s%s", gw_trans->gw_conf->got_www_path,
2225 	    "/gotweb.css") == -1)
2226 		goto err;
2227 	if (asprintf(&logo, "%s%s%s", gw_trans->gw_conf->got_www_path,
2228 	    gw_trans->gw_conf->got_www_path ? "/" : "",
2229 	    gw_trans->gw_conf->got_logo) == -1)
2230 		goto err;
2231 
2232 	switch (key) {
2233 	case (TEMPL_HEAD):
2234 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2235 		    KATTR_NAME, "viewport",
2236 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2237 		    KATTR__MAX);
2238 		if (kerr != KCGI_OK)
2239 			return 0;
2240 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2241 		if (kerr != KCGI_OK)
2242 			return 0;
2243 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2244 		    KATTR_CHARSET, "utf-8",
2245 		    KATTR__MAX);
2246 		if (kerr != KCGI_OK)
2247 			return 0;
2248 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2249 		if (kerr != KCGI_OK)
2250 			return 0;
2251 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2252 		    KATTR_NAME, "msapplication-TileColor",
2253 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2257 		if (kerr != KCGI_OK)
2258 			return 0;
2259 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2260 		    KATTR_NAME, "theme-color",
2261 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2262 		if (kerr != KCGI_OK)
2263 			return 0;
2264 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2265 		if (kerr != KCGI_OK)
2266 			return 0;
2267 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2268 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2269 		    KATTR_HREF, ati, KATTR__MAX);
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2273 		if (kerr != KCGI_OK)
2274 			return 0;
2275 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2276 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2277 		    "32x32", KATTR_HREF, fic32, KATTR__MAX);
2278 		if (kerr != KCGI_OK)
2279 			return 0;
2280 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2281 		if (kerr != KCGI_OK)
2282 			return 0;
2283 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2284 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2285 		    "16x16", KATTR_HREF, fic16, KATTR__MAX);
2286 		if (kerr != KCGI_OK)
2287 			return 0;
2288 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2289 		if (kerr != KCGI_OK)
2290 			return 0;
2291 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2292 		    KATTR_REL, "manifest", KATTR_HREF, swm,
2293 		    KATTR__MAX);
2294 		if (kerr != KCGI_OK)
2295 			return 0;
2296 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2297 		if (kerr != KCGI_OK)
2298 			return 0;
2299 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2300 		    KATTR_REL, "mask-icon", KATTR_HREF,
2301 		    spt, KATTR__MAX);
2302 		if (kerr != KCGI_OK)
2303 			return 0;
2304 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2305 		if (kerr != KCGI_OK)
2306 			return 0;
2307 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2308 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2309 		    KATTR_HREF, css, KATTR__MAX);
2310 		if (kerr != KCGI_OK)
2311 			return 0;
2312 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2313 		if (kerr != KCGI_OK)
2314 			return 0;
2315 		break;
2316 	case(TEMPL_HEADER):
2317 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2318 		    KATTR_ID, "got_link", KATTR__MAX);
2319 		if (kerr != KCGI_OK)
2320 			return 0;
2321 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2322 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2323 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2324 		if (kerr != KCGI_OK)
2325 			return 0;
2326 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2327 		    KATTR_SRC, logo, KATTR__MAX);
2328 		if (kerr != KCGI_OK)
2329 			return 0;
2330 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2331 		if (kerr != KCGI_OK)
2332 			return 0;
2333 		break;
2334 	case (TEMPL_SITEPATH):
2335 		error = gw_output_site_link(gw_trans);
2336 		if (error)
2337 			return 0;
2338 		break;
2339 	case(TEMPL_TITLE):
2340 		if (gw_trans->gw_conf->got_site_name != NULL) {
2341 			kerr = khtml_puts(gw_trans->gw_html_req,
2342 			    gw_trans->gw_conf->got_site_name);
2343 			if (kerr != KCGI_OK)
2344 				return 0;
2345 		}
2346 		break;
2347 	case (TEMPL_SEARCH):
2348 		break;
2349 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2350 		    "search", KATTR__MAX);
2351 		if (kerr != KCGI_OK)
2352 			return 0;
2353 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2354 			    KATTR_METHOD, "POST", KATTR__MAX);
2355 		if (kerr != KCGI_OK)
2356 			return 0;
2357 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2358 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2359 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2360 		if (kerr != KCGI_OK)
2361 			return 0;
2362 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2363 		    KATTR__MAX);
2364 		if (kerr != KCGI_OK)
2365 			return 0;
2366 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2367 		if (kerr != KCGI_OK)
2368 			return 0;
2369 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2370 		if (kerr != KCGI_OK)
2371 			return 0;
2372 		break;
2373 	case(TEMPL_SITEOWNER):
2374 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2375 		    gw_trans->gw_conf->got_show_site_owner) {
2376 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2377 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2378 			if (kerr != KCGI_OK)
2379 				return 0;
2380 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2381 			    KATTR_ID, "site_owner", KATTR__MAX);
2382 			if (kerr != KCGI_OK)
2383 				return 0;
2384 			kerr = khtml_puts(gw_trans->gw_html_req,
2385 			    gw_trans->gw_conf->got_site_owner);
2386 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2387 			if (kerr != KCGI_OK)
2388 				return 0;
2389 		}
2390 		break;
2391 	case(TEMPL_CONTENT):
2392 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2393 		if (error) {
2394 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2395 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2396 			if (kerr != KCGI_OK)
2397 				return 0;
2398 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2399 			    error->msg);
2400 			if (kerr != KCGI_OK)
2401 				return 0;
2402 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2403 			if (kerr != KCGI_OK)
2404 				return 0;
2405 		}
2406 		break;
2407 	default:
2408 		return 0;
2409 	}
2410 	free(ati);
2411 	free(fic32);
2412 	free(fic16);
2413 	free(swm);
2414 	free(spt);
2415 	free(css);
2416 	free(logo);
2417 	return 1;
2418 err:
2419 	free(ati);
2420 	free(fic32);
2421 	free(fic16);
2422 	free(swm);
2423 	free(spt);
2424 	free(css);
2425 	free(logo);
2426 	return 0;
2427 }
2428 
2429 static const struct got_error *
2430 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2431 {
2432 	const struct got_error *error = NULL;
2433 	enum kcgi_err kerr = KCGI_OK;
2434 
2435 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2436 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2440 	if (kerr != KCGI_OK)
2441 		goto done;
2442 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2443 	if (kerr != KCGI_OK)
2444 		goto done;
2445 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2446 	    KATTR_ID, "header_commit", KATTR__MAX);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2450 	if (kerr != KCGI_OK)
2451 		goto done;
2452 	if (str2 != NULL) {
2453 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2454 		    KATTR_ID, "refs_str", KATTR__MAX);
2455 		if (kerr != KCGI_OK)
2456 			goto done;
2457 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2458 		if (kerr != KCGI_OK)
2459 			goto done;
2460 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2461 		if (kerr != KCGI_OK)
2462 			goto done;
2463 	}
2464 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2465 done:
2466 	if (error == NULL && kerr != KCGI_OK)
2467 		error = gw_kcgi_error(kerr);
2468 	return error;
2469 }
2470 
2471 static const struct got_error *
2472 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2473 {
2474 	const struct got_error *error = NULL;
2475 	enum kcgi_err kerr = KCGI_OK;
2476 
2477 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2478 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2479 	if (kerr != KCGI_OK)
2480 		goto done;
2481 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2482 	if (kerr != KCGI_OK)
2483 		goto done;
2484 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2485 	if (kerr != KCGI_OK)
2486 		goto done;
2487 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2488 	    KATTR_ID, "header_diff", KATTR__MAX);
2489 	if (kerr != KCGI_OK)
2490 		goto done;
2491 	if (str1 != NULL) {
2492 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2493 		if (kerr != KCGI_OK)
2494 			goto done;
2495 	}
2496 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2500 	if (kerr != KCGI_OK)
2501 		goto done;
2502 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2503 done:
2504 	if (error == NULL && kerr != KCGI_OK)
2505 		error = gw_kcgi_error(kerr);
2506 	return error;
2507 }
2508 
2509 static const struct got_error *
2510 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2511 {
2512 	const struct got_error *error = NULL;
2513 	enum kcgi_err kerr = KCGI_OK;
2514 
2515 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2516 	    KATTR_ID, "header_age_title", KATTR__MAX);
2517 	if (kerr != KCGI_OK)
2518 		goto done;
2519 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2520 	if (kerr != KCGI_OK)
2521 		goto done;
2522 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2523 	if (kerr != KCGI_OK)
2524 		goto done;
2525 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2526 	    KATTR_ID, "header_age", KATTR__MAX);
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2530 	if (kerr != KCGI_OK)
2531 		goto done;
2532 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2533 done:
2534 	if (error == NULL && kerr != KCGI_OK)
2535 		error = gw_kcgi_error(kerr);
2536 	return error;
2537 }
2538 
2539 static const struct got_error *
2540 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2541 {
2542 	const struct got_error *error = NULL;
2543 	enum kcgi_err kerr = KCGI_OK;
2544 
2545 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2546 	    KATTR_ID, "header_author_title", KATTR__MAX);
2547 	if (kerr != KCGI_OK)
2548 		goto done;
2549 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2550 	if (kerr != KCGI_OK)
2551 		goto done;
2552 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2553 	if (kerr != KCGI_OK)
2554 		goto done;
2555 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2556 	    KATTR_ID, "header_author", KATTR__MAX);
2557 	if (kerr != KCGI_OK)
2558 		goto done;
2559 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2560 	if (kerr != KCGI_OK)
2561 		goto done;
2562 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2563 done:
2564 	if (error == NULL && kerr != KCGI_OK)
2565 		error = gw_kcgi_error(kerr);
2566 	return error;
2567 }
2568 
2569 static const struct got_error *
2570 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2571 {
2572 	const struct got_error *error = NULL;
2573 	enum kcgi_err kerr = KCGI_OK;
2574 
2575 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2576 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2577 	if (kerr != KCGI_OK)
2578 		goto done;
2579 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2580 	if (kerr != KCGI_OK)
2581 		goto done;
2582 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2583 	if (kerr != KCGI_OK)
2584 		goto done;
2585 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2586 	    KATTR_ID, "header_committer", KATTR__MAX);
2587 	if (kerr != KCGI_OK)
2588 		goto done;
2589 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2590 	if (kerr != KCGI_OK)
2591 		goto done;
2592 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2593 done:
2594 	if (error == NULL && kerr != KCGI_OK)
2595 		error = gw_kcgi_error(kerr);
2596 	return error;
2597 }
2598 
2599 static const struct got_error *
2600 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2601 {
2602 	const struct got_error *error = NULL;
2603 	enum kcgi_err kerr = KCGI_OK;
2604 
2605 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2606 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2607 	if (kerr != KCGI_OK)
2608 		goto done;
2609 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2610 	if (kerr != KCGI_OK)
2611 		goto done;
2612 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2613 	if (kerr != KCGI_OK)
2614 		goto done;
2615 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2616 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2617 	if (kerr != KCGI_OK)
2618 		goto done;
2619 	kerr = khttp_puts(gw_trans->gw_req, str);
2620 	if (kerr != KCGI_OK)
2621 		goto done;
2622 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2623 done:
2624 	if (error == NULL && kerr != KCGI_OK)
2625 		error = gw_kcgi_error(kerr);
2626 	return error;
2627 }
2628 
2629 static const struct got_error *
2630 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2631 {
2632 	const struct got_error *error = NULL;
2633 	enum kcgi_err kerr = KCGI_OK;
2634 
2635 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2636 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2637 	if (kerr != KCGI_OK)
2638 		goto done;
2639 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2640 	if (kerr != KCGI_OK)
2641 		goto done;
2642 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2643 	if (kerr != KCGI_OK)
2644 		goto done;
2645 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2646 	    KATTR_ID, "header_tree", KATTR__MAX);
2647 	if (kerr != KCGI_OK)
2648 		goto done;
2649 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2650 	if (kerr != KCGI_OK)
2651 		goto done;
2652 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2653 done:
2654 	if (error == NULL && kerr != KCGI_OK)
2655 		error = gw_kcgi_error(kerr);
2656 	return error;
2657 }
2658 
2659 static const struct got_error *
2660 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2661     char *dir)
2662 {
2663 	const struct got_error *error = NULL;
2664 	FILE *f = NULL;
2665 	char *d_file = NULL;
2666 	unsigned int len;
2667 	size_t n;
2668 
2669 	*description = NULL;
2670 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2671 		return NULL;
2672 
2673 	if (asprintf(&d_file, "%s/description", dir) == -1)
2674 		return got_error_from_errno("asprintf");
2675 
2676 	f = fopen(d_file, "re");
2677 	if (f == NULL) {
2678 		if (errno == ENOENT || errno == EACCES)
2679 			return NULL;
2680 		error = got_error_from_errno2("fopen", d_file);
2681 		goto done;
2682 	}
2683 
2684 	if (fseek(f, 0, SEEK_END) == -1) {
2685 		error = got_ferror(f, GOT_ERR_IO);
2686 		goto done;
2687 	}
2688 	len = ftell(f);
2689 	if (len == -1) {
2690 		error = got_ferror(f, GOT_ERR_IO);
2691 		goto done;
2692 	}
2693 	if (fseek(f, 0, SEEK_SET) == -1) {
2694 		error = got_ferror(f, GOT_ERR_IO);
2695 		goto done;
2696 	}
2697 	*description = calloc(len + 1, sizeof(**description));
2698 	if (*description == NULL) {
2699 		error = got_error_from_errno("calloc");
2700 		goto done;
2701 	}
2702 
2703 	n = fread(*description, 1, len, f);
2704 	if (n == 0 && ferror(f))
2705 		error = got_ferror(f, GOT_ERR_IO);
2706 done:
2707 	if (f != NULL && fclose(f) == EOF && error == NULL)
2708 		error = got_error_from_errno("fclose");
2709 	free(d_file);
2710 	return error;
2711 }
2712 
2713 static const struct got_error *
2714 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2715 {
2716 	struct tm tm;
2717 	time_t diff_time;
2718 	const char *years = "years ago", *months = "months ago";
2719 	const char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2720 	const char *minutes = "minutes ago", *seconds = "seconds ago";
2721 	const char *now = "right now";
2722 	const char *s;
2723 	char datebuf[29];
2724 
2725 	*repo_age = NULL;
2726 
2727 	switch (ref_tm) {
2728 	case TM_DIFF:
2729 		diff_time = time(NULL) - committer_time;
2730 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2731 			if (asprintf(repo_age, "%lld %s",
2732 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2733 				return got_error_from_errno("asprintf");
2734 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2735 			if (asprintf(repo_age, "%lld %s",
2736 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2737 			    months) == -1)
2738 				return got_error_from_errno("asprintf");
2739 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2740 			if (asprintf(repo_age, "%lld %s",
2741 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2742 				return got_error_from_errno("asprintf");
2743 		} else if (diff_time > 60 * 60 * 24 * 2) {
2744 			if (asprintf(repo_age, "%lld %s",
2745 			    (diff_time / 60 / 60 / 24), days) == -1)
2746 				return got_error_from_errno("asprintf");
2747 		} else if (diff_time > 60 * 60 * 2) {
2748 			if (asprintf(repo_age, "%lld %s",
2749 			    (diff_time / 60 / 60), hours) == -1)
2750 				return got_error_from_errno("asprintf");
2751 		} else if (diff_time > 60 * 2) {
2752 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2753 			    minutes) == -1)
2754 				return got_error_from_errno("asprintf");
2755 		} else if (diff_time > 2) {
2756 			if (asprintf(repo_age, "%lld %s", diff_time,
2757 			    seconds) == -1)
2758 				return got_error_from_errno("asprintf");
2759 		} else {
2760 			if (asprintf(repo_age, "%s", now) == -1)
2761 				return got_error_from_errno("asprintf");
2762 		}
2763 		break;
2764 	case TM_LONG:
2765 		if (gmtime_r(&committer_time, &tm) == NULL)
2766 			return got_error_from_errno("gmtime_r");
2767 
2768 		s = asctime_r(&tm, datebuf);
2769 		if (s == NULL)
2770 			return got_error_from_errno("asctime_r");
2771 
2772 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2773 			return got_error_from_errno("asprintf");
2774 		break;
2775 	}
2776 	return NULL;
2777 }
2778 
2779 static const struct got_error *
2780 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2781     const char *refname, int ref_tm)
2782 {
2783 	const struct got_error *error = NULL;
2784 	struct got_repository *repo = NULL;
2785 	struct got_commit_object *commit = NULL;
2786 	struct got_reflist_head refs;
2787 	struct got_reflist_entry *re;
2788 	time_t committer_time = 0, cmp_time = 0;
2789 
2790 	*repo_age = NULL;
2791 	TAILQ_INIT(&refs);
2792 
2793 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2794 		return NULL;
2795 
2796 	if (gw_trans->repo)
2797 		repo = gw_trans->repo;
2798 	else {
2799 		error = got_repo_open(&repo, dir, NULL, gw_trans->pack_fds);
2800 		if (error)
2801 			return error;
2802 	}
2803 
2804 	error = got_ref_list(&refs, repo, "refs/heads",
2805 	    got_ref_cmp_by_name, NULL);
2806 	if (error)
2807 		goto done;
2808 
2809 	/*
2810 	 * Find the youngest branch tip in the repository, or the age of
2811 	 * the a specific branch tip if a name was provided by the caller.
2812 	 */
2813 	TAILQ_FOREACH(re, &refs, entry) {
2814 		struct got_object_id *id = NULL;
2815 
2816 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2817 			continue;
2818 
2819 		error = got_ref_resolve(&id, repo, re->ref);
2820 		if (error)
2821 			goto done;
2822 
2823 		error = got_object_open_as_commit(&commit, repo, id);
2824 		free(id);
2825 		if (error)
2826 			goto done;
2827 
2828 		committer_time =
2829 		    got_object_commit_get_committer_time(commit);
2830 		got_object_commit_close(commit);
2831 		if (cmp_time < committer_time)
2832 			cmp_time = committer_time;
2833 
2834 		if (refname)
2835 			break;
2836 	}
2837 
2838 	if (cmp_time != 0) {
2839 		committer_time = cmp_time;
2840 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2841 	}
2842 done:
2843 	got_ref_list_free(&refs);
2844 	if (gw_trans->repo == NULL) {
2845 		const struct got_error *close_err = got_repo_close(repo);
2846 		if (error == NULL)
2847 			error = close_err;
2848 	}
2849 	return error;
2850 }
2851 
2852 static const struct got_error *
2853 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2854 {
2855 	const struct got_error *error;
2856 	FILE *f = NULL, *f1 = NULL, *f2 = NULL;
2857 	int fd1 = -1, fd2 = -1;
2858 	struct got_object_id *id1 = NULL, *id2 = NULL;
2859 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2860 	int obj_type;
2861 	size_t linesize = 0;
2862 	ssize_t linelen;
2863 	enum kcgi_err kerr = KCGI_OK;
2864 
2865 	f = got_opentemp();
2866 	if (f == NULL)
2867 		return NULL;
2868 
2869 	f1 = got_opentemp();
2870 	if (f1 == NULL) {
2871 		error = got_error_from_errno("got_opentemp");
2872 		goto done;
2873 	}
2874 
2875 	f2 = got_opentemp();
2876 	if (f2 == NULL) {
2877 		error = got_error_from_errno("got_opentemp");
2878 		goto done;
2879 	}
2880 
2881 	fd1 = got_opentempfd();
2882 	if (fd1 == -1) {
2883 		error = got_error_from_errno("got_opentempfd");
2884 		goto done;
2885 	}
2886 
2887 	fd2 = got_opentempfd();
2888 	if (fd2 == -1) {
2889 		error = got_error_from_errno("got_opentempfd");
2890 		goto done;
2891 	}
2892 
2893 	if (header->parent_id != NULL &&
2894 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2895 		error = got_repo_match_object_id(&id1, &label1,
2896 			header->parent_id, GOT_OBJ_TYPE_ANY,
2897 			&header->refs, gw_trans->repo);
2898 		if (error)
2899 			goto done;
2900 	}
2901 
2902 	error = got_repo_match_object_id(&id2, &label2,
2903 	    header->commit_id, GOT_OBJ_TYPE_ANY, &header->refs,
2904 	    gw_trans->repo);
2905 	if (error)
2906 		goto done;
2907 
2908 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2909 	if (error)
2910 		goto done;
2911 	switch (obj_type) {
2912 	case GOT_OBJ_TYPE_BLOB:
2913 		error = got_diff_objects_as_blobs(NULL, NULL, f1, f2,
2914 		    fd1, fd2, id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_PATIENCE,
2915 		    3, 0, 0, gw_trans->repo, f);
2916 		break;
2917 	case GOT_OBJ_TYPE_TREE:
2918 		error = got_diff_objects_as_trees(NULL, NULL, f1, f2,
2919 		    fd1, fd2, id1, id2, NULL, "", "",
2920 		    GOT_DIFF_ALGORITHM_PATIENCE, 3, 0, 0, gw_trans->repo, f);
2921 		break;
2922 	case GOT_OBJ_TYPE_COMMIT:
2923 		error = got_diff_objects_as_commits(NULL, NULL, f1, f2,
2924 		    fd1, fd2, id1, id2, NULL, GOT_DIFF_ALGORITHM_PATIENCE,
2925 		    3, 0, 0, gw_trans->repo, f);
2926 		break;
2927 	default:
2928 		error = got_error(GOT_ERR_OBJ_TYPE);
2929 	}
2930 	if (error)
2931 		goto done;
2932 
2933 	if (fseek(f, 0, SEEK_SET) == -1) {
2934 		error = got_ferror(f, GOT_ERR_IO);
2935 		goto done;
2936 	}
2937 
2938 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2939 		error = gw_colordiff_line(gw_trans, line);
2940 		if (error)
2941 			goto done;
2942 		/* XXX: KHTML_PRETTY breaks this */
2943 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2944 		if (kerr != KCGI_OK)
2945 			goto done;
2946 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2947 		if (kerr != KCGI_OK)
2948 			goto done;
2949 	}
2950 	if (linelen == -1 && ferror(f))
2951 		error = got_error_from_errno("getline");
2952 done:
2953 	if (f && fclose(f) == EOF && error == NULL)
2954 		error = got_error_from_errno("fclose");
2955 	if (f1 && fclose(f1) == EOF && error == NULL)
2956 		error = got_error_from_errno("fclose");
2957 	if (f2 && fclose(f2) == EOF && error == NULL)
2958 		error = got_error_from_errno("fclose");
2959 	if (fd1 != -1 && close(fd1) == -1 && error == NULL)
2960 		error = got_error_from_errno("close");
2961 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
2962 		error = got_error_from_errno("close");
2963 	free(line);
2964 	free(label1);
2965 	free(label2);
2966 	free(id1);
2967 	free(id2);
2968 
2969 	if (error == NULL && kerr != KCGI_OK)
2970 		error = gw_kcgi_error(kerr);
2971 	return error;
2972 }
2973 
2974 static const struct got_error *
2975 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2976 {
2977 	const struct got_error *error = NULL, *close_err;
2978 	struct got_repository *repo;
2979 	const char *gitconfig_owner;
2980 
2981 	*owner = NULL;
2982 
2983 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2984 		return NULL;
2985 
2986 	error = got_repo_open(&repo, dir, NULL, gw_trans->pack_fds);
2987 	if (error)
2988 		return error;
2989 
2990 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2991 	if (gitconfig_owner) {
2992 		*owner = strdup(gitconfig_owner);
2993 		if (*owner == NULL)
2994 			error = got_error_from_errno("strdup");
2995 	}
2996 	close_err = got_repo_close(repo);
2997 	if (error == NULL)
2998 		error = close_err;
2999 	return error;
3000 }
3001 
3002 static const struct got_error *
3003 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
3004 {
3005 	const struct got_error *error = NULL;
3006 	FILE *f;
3007 	char *d_file = NULL;
3008 	unsigned int len;
3009 	size_t n;
3010 
3011 	*url = NULL;
3012 
3013 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
3014 		return got_error_from_errno("asprintf");
3015 
3016 	f = fopen(d_file, "re");
3017 	if (f == NULL) {
3018 		if (errno != ENOENT && errno != EACCES)
3019 			error = got_error_from_errno2("fopen", d_file);
3020 		goto done;
3021 	}
3022 
3023 	if (fseek(f, 0, SEEK_END) == -1) {
3024 		error = got_ferror(f, GOT_ERR_IO);
3025 		goto done;
3026 	}
3027 	len = ftell(f);
3028 	if (len == -1) {
3029 		error = got_ferror(f, GOT_ERR_IO);
3030 		goto done;
3031 	}
3032 	if (fseek(f, 0, SEEK_SET) == -1) {
3033 		error = got_ferror(f, GOT_ERR_IO);
3034 		goto done;
3035 	}
3036 
3037 	*url = calloc(len + 1, sizeof(**url));
3038 	if (*url == NULL) {
3039 		error = got_error_from_errno("calloc");
3040 		goto done;
3041 	}
3042 
3043 	n = fread(*url, 1, len, f);
3044 	if (n == 0 && ferror(f))
3045 		error = got_ferror(f, GOT_ERR_IO);
3046 done:
3047 	if (f && fclose(f) == EOF && error == NULL)
3048 		error = got_error_from_errno("fclose");
3049 	free(d_file);
3050 	return NULL;
3051 }
3052 
3053 static const struct got_error *
3054 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
3055     int limit, int tag_type)
3056 {
3057 	const struct got_error *error = NULL;
3058 	struct got_reflist_head refs;
3059 	struct got_reflist_entry *re;
3060 	char *age = NULL;
3061 	char *id_str = NULL, *newline, *href_commits = NULL;
3062 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
3063 	struct got_tag_object *tag = NULL;
3064 	enum kcgi_err kerr = KCGI_OK;
3065 	int summary_header_displayed = 0, chk_next = 0;
3066 	int tag_count = 0, commit_found = 0, c_cnt = 0;
3067 
3068 	TAILQ_INIT(&refs);
3069 
3070 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
3071 	    got_ref_cmp_tags, gw_trans->repo);
3072 	if (error)
3073 		goto done;
3074 
3075 	TAILQ_FOREACH(re, &refs, entry) {
3076 		const char *refname;
3077 		const char *tagger;
3078 		const char *tag_commit;
3079 		time_t tagger_time;
3080 		struct got_object_id *id;
3081 		struct got_commit_object *commit = NULL;
3082 
3083 		refname = got_ref_get_name(re->ref);
3084 		if (strncmp(refname, "refs/tags/", 10) != 0)
3085 			continue;
3086 		refname += 10;
3087 
3088 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3089 		if (error)
3090 			goto done;
3091 
3092 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3093 		if (error) {
3094 			if (error->code != GOT_ERR_OBJ_TYPE) {
3095 				free(id);
3096 				goto done;
3097 			}
3098 			/* "lightweight" tag */
3099 			error = got_object_open_as_commit(&commit,
3100 			    gw_trans->repo, id);
3101 			if (error) {
3102 				free(id);
3103 				goto done;
3104 			}
3105 			tagger = got_object_commit_get_committer(commit);
3106 			tagger_time =
3107 			    got_object_commit_get_committer_time(commit);
3108 			error = got_object_id_str(&id_str, id);
3109 			free(id);
3110 		} else {
3111 			free(id);
3112 			tagger = got_object_tag_get_tagger(tag);
3113 			tagger_time = got_object_tag_get_tagger_time(tag);
3114 			error = got_object_id_str(&id_str,
3115 			    got_object_tag_get_object_id(tag));
3116 		}
3117 		if (error)
3118 			goto done;
3119 
3120 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3121 		    strlen(id_str)) != 0)
3122 			continue;
3123 
3124 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3125 		    commit_found == 0 && strncmp(id_str, gw_trans->commit_id,
3126 		    strlen(id_str)) != 0)
3127 			continue;
3128 		else
3129 			commit_found = 1;
3130 
3131 		tag_count++;
3132 
3133 		if (chk_next) {
3134 			gw_trans->next_id = strdup(id_str);
3135 			if (gw_trans->next_id == NULL)
3136 				error = got_error_from_errno("strdup");
3137 			goto prev;
3138 		}
3139 
3140 		if (commit) {
3141 			error = got_object_commit_get_logmsg(&tag_commit0,
3142 			    commit);
3143 			if (error)
3144 				goto done;
3145 			got_object_commit_close(commit);
3146 		} else {
3147 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3148 			if (tag_commit0 == NULL) {
3149 				error = got_error_from_errno("strdup");
3150 				goto done;
3151 			}
3152 		}
3153 
3154 		tag_commit = tag_commit0;
3155 		while (*tag_commit == '\n')
3156 			tag_commit++;
3157 
3158 		switch (tag_type) {
3159 		case TAGBRIEF:
3160 			newline = strchr(tag_commit, '\n');
3161 			if (newline)
3162 				*newline = '\0';
3163 
3164 			if (summary_header_displayed == 0) {
3165 				kerr = khtml_attr(gw_trans->gw_html_req,
3166 				    KELEM_DIV, KATTR_ID,
3167 				    "summary_tags_title_wrapper", KATTR__MAX);
3168 				if (kerr != KCGI_OK)
3169 					goto done;
3170 				kerr = khtml_attr(gw_trans->gw_html_req,
3171 				    KELEM_DIV, KATTR_ID,
3172 				    "summary_tags_title", KATTR__MAX);
3173 				if (kerr != KCGI_OK)
3174 					goto done;
3175 				kerr = khtml_puts(gw_trans->gw_html_req,
3176 				    "Tags");
3177 				if (kerr != KCGI_OK)
3178 					goto done;
3179 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3180 				    2);
3181 				if (kerr != KCGI_OK)
3182 					goto done;
3183 				kerr = khtml_attr(gw_trans->gw_html_req,
3184 				    KELEM_DIV, KATTR_ID,
3185 				    "summary_tags_content", KATTR__MAX);
3186 				if (kerr != KCGI_OK)
3187 					goto done;
3188 				summary_header_displayed = 1;
3189 			}
3190 
3191 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3192 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3193 			if (kerr != KCGI_OK)
3194 				goto done;
3195 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3196 			    KATTR_ID, "tag_age", KATTR__MAX);
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3200 			if (error)
3201 				goto done;
3202 			kerr = khtml_puts(gw_trans->gw_html_req,
3203 			    age ? age : "");
3204 			if (kerr != KCGI_OK)
3205 				goto done;
3206 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3207 			if (kerr != KCGI_OK)
3208 				goto done;
3209 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3210 			    KATTR_ID, "tag", KATTR__MAX);
3211 			if (kerr != KCGI_OK)
3212 				goto done;
3213 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3214 			if (kerr != KCGI_OK)
3215 				goto done;
3216 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3217 			if (kerr != KCGI_OK)
3218 				goto done;
3219 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3220 			    KATTR_ID, "tag_name", KATTR__MAX);
3221 			if (kerr != KCGI_OK)
3222 				goto done;
3223 
3224 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3225 			    gw_trans->repo_name, "action", "tag", "commit",
3226 			    id_str, NULL);
3227 			if (href_tag == NULL) {
3228 				error = got_error_from_errno("khttp_urlpart");
3229 				goto done;
3230 			}
3231 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3232 			    KATTR_HREF, href_tag, KATTR__MAX);
3233 			if (kerr != KCGI_OK)
3234 				goto done;
3235 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3236 			if (kerr != KCGI_OK)
3237 				goto done;
3238 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3239 			if (kerr != KCGI_OK)
3240 				goto done;
3241 
3242 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3243 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3244 			if (kerr != KCGI_OK)
3245 				goto done;
3246 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3247 			    KATTR_ID, "navs", KATTR__MAX);
3248 			if (kerr != KCGI_OK)
3249 				goto done;
3250 
3251 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3252 			    KATTR_HREF, href_tag, KATTR__MAX);
3253 			if (kerr != KCGI_OK)
3254 				goto done;
3255 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3256 			if (kerr != KCGI_OK)
3257 				goto done;
3258 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3259 			if (kerr != KCGI_OK)
3260 				goto done;
3261 
3262 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3263 			if (kerr != KCGI_OK)
3264 				goto done;
3265 
3266 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3267 			    "path", gw_trans->repo_name, "action", "briefs",
3268 			    "commit", id_str, NULL);
3269 			if (href_briefs == NULL) {
3270 				error = got_error_from_errno("khttp_urlpart");
3271 				goto done;
3272 			}
3273 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3274 			    KATTR_HREF, href_briefs, KATTR__MAX);
3275 			if (kerr != KCGI_OK)
3276 				goto done;
3277 			kerr = khtml_puts(gw_trans->gw_html_req,
3278 			    "commit briefs");
3279 			if (kerr != KCGI_OK)
3280 				goto done;
3281 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3282 			if (kerr != KCGI_OK)
3283 				goto done;
3284 
3285 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3286 			if (kerr != KCGI_OK)
3287 				goto done;
3288 
3289 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3290 			    "path", gw_trans->repo_name, "action", "commits",
3291 			    "commit", id_str, NULL);
3292 			if (href_commits == NULL) {
3293 				error = got_error_from_errno("khttp_urlpart");
3294 				goto done;
3295 			}
3296 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3297 			    KATTR_HREF, href_commits, KATTR__MAX);
3298 			if (kerr != KCGI_OK)
3299 				goto done;
3300 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3301 			if (kerr != KCGI_OK)
3302 				goto done;
3303 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3304 			if (kerr != KCGI_OK)
3305 				goto done;
3306 
3307 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3308 			    KATTR_ID, "dotted_line", KATTR__MAX);
3309 			if (kerr != KCGI_OK)
3310 				goto done;
3311 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3312 			if (kerr != KCGI_OK)
3313 				goto done;
3314 			break;
3315 		case TAGFULL:
3316 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3317 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3318 			if (kerr != KCGI_OK)
3319 				goto done;
3320 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3321 			if (kerr != KCGI_OK)
3322 				goto done;
3323 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3324 			if (kerr != KCGI_OK)
3325 				goto done;
3326 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3327 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3328 			if (kerr != KCGI_OK)
3329 				goto done;
3330 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3331 			if (error)
3332 				goto done;
3333 			kerr = khtml_puts(gw_trans->gw_html_req,
3334 			    age ? age : "");
3335 			if (kerr != KCGI_OK)
3336 				goto done;
3337 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3338 			if (kerr != KCGI_OK)
3339 				goto done;
3340 
3341 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3342 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3343 			if (kerr != KCGI_OK)
3344 				goto done;
3345 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3346 			if (kerr != KCGI_OK)
3347 				goto done;
3348 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3349 			if (kerr != KCGI_OK)
3350 				goto done;
3351 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3352 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3353 			if (kerr != KCGI_OK)
3354 				goto done;
3355 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3356 			if (kerr != KCGI_OK)
3357 				goto done;
3358 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3359 			if (kerr != KCGI_OK)
3360 				goto done;
3361 
3362 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3363 			    KATTR_ID, "tag_info", KATTR__MAX);
3364 			if (kerr != KCGI_OK)
3365 				goto done;
3366 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3367 			if (kerr != KCGI_OK)
3368 				goto done;
3369 			break;
3370 		default:
3371 			break;
3372 		}
3373 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3374 		if (kerr != KCGI_OK)
3375 			goto done;
3376 
3377 		if (limit && --limit == 0)
3378 			chk_next = 1;
3379 
3380 		if (tag)
3381 			got_object_tag_close(tag);
3382 		tag = NULL;
3383 		free(id_str);
3384 		id_str = NULL;
3385 		free(age);
3386 		age = NULL;
3387 		free(tag_commit0);
3388 		tag_commit0 = NULL;
3389 		free(href_tag);
3390 		href_tag = NULL;
3391 		free(href_briefs);
3392 		href_briefs = NULL;
3393 		free(href_commits);
3394 		href_commits = NULL;
3395 	}
3396 	if (tag_count == 0) {
3397 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3398 		    "summary_tags_title_wrapper", KATTR__MAX);
3399 		if (kerr != KCGI_OK)
3400 			goto done;
3401 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3402 		    "summary_tags_title", KATTR__MAX);
3403 		if (kerr != KCGI_OK)
3404 			goto done;
3405 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3406 		if (kerr != KCGI_OK)
3407 			goto done;
3408 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3409 		if (kerr != KCGI_OK)
3410 			goto done;
3411 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3412 		    "summary_tags_content", KATTR__MAX);
3413 		if (kerr != KCGI_OK)
3414 			goto done;
3415 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3416 		    "tags_info", KATTR__MAX);
3417 		if (kerr != KCGI_OK)
3418 			goto done;
3419 		kerr = khttp_puts(gw_trans->gw_req,
3420 		    "There are no tags for this repo.");
3421 		if (kerr != KCGI_OK)
3422 			goto done;
3423 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3424 		goto done;
3425 	}
3426 prev:
3427 	commit_found = 0;
3428 	TAILQ_FOREACH_REVERSE(re, &refs, got_reflist_head, entry) {
3429 		const char *refname;
3430 		struct got_object_id *id;
3431 		struct got_commit_object *commit = NULL;
3432 
3433 		refname = got_ref_get_name(re->ref);
3434 		if (strncmp(refname, "refs/tags/", 10) != 0)
3435 			continue;
3436 		refname += 10;
3437 
3438 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3439 		if (error)
3440 			goto done;
3441 
3442 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3443 		if (error) {
3444 			if (error->code != GOT_ERR_OBJ_TYPE) {
3445 				free(id);
3446 				goto done;
3447 			}
3448 			/* "lightweight" tag */
3449 			error = got_object_open_as_commit(&commit,
3450 			    gw_trans->repo, id);
3451 			if (error) {
3452 				free(id);
3453 				goto done;
3454 			}
3455 			error = got_object_id_str(&id_str, id);
3456 			free(id);
3457 		} else {
3458 			free(id);
3459 			error = got_object_id_str(&id_str,
3460 			    got_object_tag_get_object_id(tag));
3461 		}
3462 		if (error)
3463 			goto done;
3464 
3465 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3466 		    strlen(id_str)) != 0)
3467 			continue;
3468 
3469 		if (commit_found == 0 && tag_type == TAGBRIEF &&
3470 		    gw_trans->commit_id  != NULL &&
3471 		    strncmp(id_str, gw_trans->commit_id, strlen(id_str)) != 0)
3472 			continue;
3473 		else
3474 			commit_found = 1;
3475 
3476 		if (gw_trans->commit_id != NULL &&
3477 		    strcmp(id_str, gw_trans->commit_id) != 0 &&
3478 		    (re == TAILQ_FIRST(&refs) ||
3479 		    c_cnt == gw_trans->gw_conf->got_max_commits_display)) {
3480 			gw_trans->prev_id = strdup(id_str);
3481 			if (gw_trans->prev_id == NULL) {
3482 				error = got_error_from_errno("strdup");
3483 				goto done;
3484 			}
3485 			break;
3486 		}
3487 		c_cnt++;
3488 	}
3489 done:
3490 	if (tag)
3491 		got_object_tag_close(tag);
3492 	free(id_str);
3493 	free(age);
3494 	free(tag_commit0);
3495 	free(href_tag);
3496 	free(href_briefs);
3497 	free(href_commits);
3498 	got_ref_list_free(&refs);
3499 	if (error == NULL && kerr != KCGI_OK)
3500 		error = gw_kcgi_error(kerr);
3501 	return error;
3502 }
3503 
3504 static void
3505 gw_free_header(struct gw_header *header)
3506 {
3507 	free(header->path);
3508 	free(header->author);
3509 	free(header->committer);
3510 	free(header->refs_str);
3511 	free(header->commit_id);
3512 	free(header->parent_id);
3513 	free(header->tree_id);
3514 	free(header->commit_msg);
3515 }
3516 
3517 static struct gw_header *
3518 gw_init_header()
3519 {
3520 	struct gw_header *header;
3521 
3522 	header = malloc(sizeof(*header));
3523 	if (header == NULL)
3524 		return NULL;
3525 
3526 	header->path = NULL;
3527 	TAILQ_INIT(&header->refs);
3528 
3529 	header->refs_str = NULL;
3530 	header->commit_id = NULL;
3531 	header->committer = NULL;
3532 	header->author = NULL;
3533 	header->parent_id = NULL;
3534 	header->tree_id = NULL;
3535 	header->commit_msg = NULL;
3536 
3537 	return header;
3538 }
3539 
3540 static const struct got_error *
3541 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3542     int limit, struct got_object_id *id)
3543 {
3544 	const struct got_error *error = NULL;
3545 	struct got_commit_graph *graph = NULL;
3546 	struct got_commit_object *commit = NULL;
3547 	int chk_next = 0, chk_multi = 0, c_cnt = 0, commit_found = 0;
3548 	struct gw_header *t_header = NULL;
3549 
3550 	error = got_commit_graph_open(&graph, header->path, 0);
3551 	if (error)
3552 		return error;
3553 
3554 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3555 	    NULL);
3556 	if (error)
3557 		goto err;
3558 
3559 	for (;;) {
3560 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3561 		    NULL, NULL);
3562 		if (error) {
3563 			if (error->code == GOT_ERR_ITER_COMPLETED)
3564 				error = NULL;
3565 			goto done;
3566 		}
3567 		if (id == NULL)
3568 			goto err;
3569 
3570 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3571 		if (error)
3572 			goto err;
3573 		if (limit == 1 && chk_multi == 0 &&
3574 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3575 			error = gw_get_commit(gw_trans, header, commit, id);
3576 			if (error)
3577 				goto err;
3578 			commit_found = 1;
3579 		} else {
3580 			chk_multi = 1;
3581 			struct gw_header *n_header = NULL;
3582 			if ((n_header = gw_init_header()) == NULL) {
3583 				error = got_error_from_errno("malloc");
3584 				goto err;
3585 			}
3586 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3587 			    entry);
3588 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3589 			    NULL, got_ref_cmp_by_name, NULL);
3590 			if (error)
3591 				goto err;
3592 
3593 			error = gw_get_commit(gw_trans, n_header, commit, id);
3594 			if (error)
3595 				goto err;
3596 			got_ref_list_free(&n_header->refs);
3597 
3598 			if (gw_trans->commit_id != NULL) {
3599 				if (strcmp(gw_trans->commit_id,
3600 				    n_header->commit_id) == 0)
3601 					commit_found = 1;
3602 			} else
3603 				commit_found = 1;
3604 
3605 			/*
3606 			 * check for one more commit before breaking,
3607 			 * so we know whether to navigate through gw_briefs
3608 			 * gw_commits and gw_summary
3609 			 */
3610 			if (chk_next && (gw_trans->action == GW_BRIEFS ||
3611 			    gw_trans->action == GW_COMMITS ||
3612 			    gw_trans->action == GW_SUMMARY)) {
3613 				gw_trans->next_id = strdup(n_header->commit_id);
3614 				if (gw_trans->next_id == NULL)
3615 					error = got_error_from_errno("strdup");
3616 				TAILQ_REMOVE(&gw_trans->gw_headers, n_header,
3617 				    entry);
3618 				goto done;
3619 			}
3620 
3621 		}
3622 		if (commit_found == 1 && (error || (limit && --limit == 0))) {
3623 			if (chk_multi == 0)
3624 				break;
3625 			chk_next = 1;
3626 		}
3627 	}
3628 done:
3629 	if (gw_trans->prev_id == NULL && gw_trans->commit_id != NULL &&
3630 	    (gw_trans->action == GW_BRIEFS || gw_trans->action == GW_COMMITS)) {
3631 		commit_found = 0;
3632 		TAILQ_FOREACH_REVERSE(t_header, &gw_trans->gw_headers,
3633 		    headers, entry) {
3634 			if (commit_found == 0 &&
3635 			    strcmp(gw_trans->commit_id,
3636 			    t_header->commit_id) != 0)
3637 				continue;
3638 			else
3639 				commit_found = 1;
3640 			if (gw_trans->commit_id != NULL &&
3641 			    strcmp(gw_trans->commit_id,
3642 			    t_header->commit_id) != 0 &&
3643 			    (c_cnt == gw_trans->gw_conf->got_max_commits_display
3644 			    || t_header ==
3645 			    TAILQ_FIRST(&gw_trans->gw_headers))) {
3646 				gw_trans->prev_id = strdup(t_header->commit_id);
3647 				if (gw_trans->prev_id == NULL)
3648 					error = got_error_from_errno("strdup");
3649 				break;
3650 			}
3651 			c_cnt++;
3652 		}
3653 	}
3654 err:
3655 	if (commit != NULL)
3656 		got_object_commit_close(commit);
3657 	if (graph)
3658 		got_commit_graph_close(graph);
3659 	return error;
3660 }
3661 
3662 static const struct got_error *
3663 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3664     struct got_commit_object *commit, struct got_object_id *id)
3665 {
3666 	const struct got_error *error = NULL;
3667 	struct got_reflist_entry *re;
3668 	struct got_object_id *id2 = NULL;
3669 	struct got_object_qid *parent_id;
3670 	char *commit_msg = NULL, *commit_msg0;
3671 
3672 	/*print commit*/
3673 	TAILQ_FOREACH(re, &header->refs, entry) {
3674 		char *s;
3675 		const char *name;
3676 		struct got_tag_object *tag = NULL;
3677 		struct got_object_id *ref_id;
3678 		int cmp;
3679 
3680 		if (got_ref_is_symbolic(re->ref))
3681 			continue;
3682 
3683 		name = got_ref_get_name(re->ref);
3684 		if (strncmp(name, "refs/", 5) == 0)
3685 			name += 5;
3686 		if (strncmp(name, "got/", 4) == 0)
3687 			continue;
3688 		if (strncmp(name, "heads/", 6) == 0)
3689 			name += 6;
3690 		if (strncmp(name, "remotes/", 8) == 0) {
3691 			name += 8;
3692 			s = strstr(name, "/" GOT_REF_HEAD);
3693 			if (s != NULL && s[strlen(s)] == '\0')
3694 				continue;
3695 		}
3696 		error = got_ref_resolve(&ref_id, gw_trans->repo, re->ref);
3697 		if (error)
3698 			return error;
3699 		if (strncmp(name, "tags/", 5) == 0) {
3700 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3701 			    ref_id);
3702 			if (error) {
3703 				if (error->code != GOT_ERR_OBJ_TYPE) {
3704 					free(ref_id);
3705 					continue;
3706 				}
3707 				/*
3708 				 * Ref points at something other
3709 				 * than a tag.
3710 				 */
3711 				error = NULL;
3712 				tag = NULL;
3713 			}
3714 		}
3715 		cmp = got_object_id_cmp(tag ?
3716 		    got_object_tag_get_object_id(tag) : ref_id, id);
3717 		free(ref_id);
3718 		if (tag)
3719 			got_object_tag_close(tag);
3720 		if (cmp != 0)
3721 			continue;
3722 		s = header->refs_str;
3723 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3724 		    s ? ", " : "", name) == -1) {
3725 			error = got_error_from_errno("asprintf");
3726 			free(s);
3727 			header->refs_str = NULL;
3728 			return error;
3729 		}
3730 		free(s);
3731 	}
3732 
3733 	error = got_object_id_str(&header->commit_id, id);
3734 	if (error)
3735 		return error;
3736 
3737 	error = got_object_id_str(&header->tree_id,
3738 	    got_object_commit_get_tree_id(commit));
3739 	if (error)
3740 		return error;
3741 
3742 	if (gw_trans->action == GW_DIFF) {
3743 		parent_id = STAILQ_FIRST(
3744 		    got_object_commit_get_parent_ids(commit));
3745 		if (parent_id != NULL) {
3746 			id2 = got_object_id_dup(&parent_id->id);
3747 			free (parent_id);
3748 			error = got_object_id_str(&header->parent_id, id2);
3749 			if (error)
3750 				return error;
3751 			free(id2);
3752 		} else {
3753 			header->parent_id = strdup("/dev/null");
3754 			if (header->parent_id == NULL) {
3755 				error = got_error_from_errno("strdup");
3756 				return error;
3757 			}
3758 		}
3759 	}
3760 
3761 	header->committer_time =
3762 	    got_object_commit_get_committer_time(commit);
3763 
3764 	header->author =
3765 	    strdup(got_object_commit_get_author(commit));
3766 	if (header->author == NULL) {
3767 		error = got_error_from_errno("strdup");
3768 		return error;
3769 	}
3770 	header->committer =
3771 	    strdup(got_object_commit_get_committer(commit));
3772 	if (header->committer == NULL) {
3773 		error = got_error_from_errno("strdup");
3774 		return error;
3775 	}
3776 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3777 	if (error)
3778 		return error;
3779 
3780 	commit_msg = commit_msg0;
3781 	while (*commit_msg == '\n')
3782 		commit_msg++;
3783 
3784 	header->commit_msg = strdup(commit_msg);
3785 	if (header->commit_msg == NULL)
3786 		error = got_error_from_errno("strdup");
3787 	free(commit_msg0);
3788 	return error;
3789 }
3790 
3791 static const struct got_error *
3792 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3793 {
3794 	const struct got_error *error = NULL;
3795 	char *in_repo_path = NULL;
3796 	struct got_object_id *id = NULL;
3797 	struct got_reference *ref;
3798 
3799 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL,
3800 	    gw_trans->pack_fds);
3801 	if (error)
3802 		return error;
3803 
3804 	if (gw_trans->commit_id == NULL || gw_trans->action == GW_COMMITS ||
3805 	    gw_trans->action == GW_BRIEFS || gw_trans->action == GW_SUMMARY ||
3806 	    gw_trans->action == GW_TAGS) {
3807 		error = got_ref_open(&ref, gw_trans->repo,
3808 		    gw_trans->headref, 0);
3809 		if (error)
3810 			return error;
3811 
3812 		error = got_ref_resolve(&id, gw_trans->repo, ref);
3813 		got_ref_close(ref);
3814 		if (error)
3815 			return error;
3816 	} else {
3817 		error = got_ref_open(&ref, gw_trans->repo,
3818 		    gw_trans->commit_id, 0);
3819 		if (error == NULL) {
3820 			int obj_type;
3821 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3822 			got_ref_close(ref);
3823 			if (error)
3824 				return error;
3825 			error = got_object_get_type(&obj_type, gw_trans->repo,
3826 			    id);
3827 			if (error)
3828 				goto done;
3829 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3830 				struct got_tag_object *tag;
3831 				error = got_object_open_as_tag(&tag,
3832 				    gw_trans->repo, id);
3833 				if (error)
3834 					goto done;
3835 				if (got_object_tag_get_object_type(tag) !=
3836 				    GOT_OBJ_TYPE_COMMIT) {
3837 					got_object_tag_close(tag);
3838 					error = got_error(GOT_ERR_OBJ_TYPE);
3839 					goto done;
3840 				}
3841 				free(id);
3842 				id = got_object_id_dup(
3843 				    got_object_tag_get_object_id(tag));
3844 				if (id == NULL)
3845 					error = got_error_from_errno(
3846 					    "got_object_id_dup");
3847 				got_object_tag_close(tag);
3848 				if (error)
3849 					goto done;
3850 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3851 				error = got_error(GOT_ERR_OBJ_TYPE);
3852 				goto done;
3853 			}
3854 		}
3855 		error = got_repo_match_object_id_prefix(&id,
3856 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3857 			    gw_trans->repo);
3858 		if (error)
3859 			goto done;
3860 	}
3861 
3862 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3863 	    gw_trans->repo_path);
3864 	if (error)
3865 		goto done;
3866 
3867 	if (in_repo_path) {
3868 		header->path = strdup(in_repo_path);
3869 		if (header->path == NULL) {
3870 			error = got_error_from_errno("strdup");
3871 			goto done;
3872 		}
3873 	}
3874 
3875 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3876 	    got_ref_cmp_by_name, NULL);
3877 	if (error)
3878 		goto done;
3879 
3880 	error = gw_get_commits(gw_trans, header, limit, id);
3881 done:
3882 	free(id);
3883 	free(in_repo_path);
3884 	return error;
3885 }
3886 
3887 struct blame_line {
3888 	int annotated;
3889 	char *id_str;
3890 	char *committer;
3891 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3892 };
3893 
3894 struct gw_blame_cb_args {
3895 	struct blame_line *lines;
3896 	int nlines;
3897 	int nlines_prec;
3898 	int lineno_cur;
3899 	off_t *line_offsets;
3900 	FILE *f;
3901 	struct got_repository *repo;
3902 	struct gw_trans *gw_trans;
3903 };
3904 
3905 static const struct got_error *
3906 gw_blame_cb(void *arg, int nlines, int lineno,
3907     struct got_commit_object *commit, struct got_object_id *id)
3908 {
3909 	const struct got_error *err = NULL;
3910 	struct gw_blame_cb_args *a = arg;
3911 	struct blame_line *bline;
3912 	char *line = NULL;
3913 	size_t linesize = 0;
3914 	off_t offset;
3915 	struct tm tm;
3916 	time_t committer_time;
3917 	enum kcgi_err kerr = KCGI_OK;
3918 
3919 	if (nlines != a->nlines ||
3920 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3921 		return got_error(GOT_ERR_RANGE);
3922 
3923 	if (lineno == -1)
3924 		return NULL; /* no change in this commit */
3925 
3926 	/* Annotate this line. */
3927 	bline = &a->lines[lineno - 1];
3928 	if (bline->annotated)
3929 		return NULL;
3930 	err = got_object_id_str(&bline->id_str, id);
3931 	if (err)
3932 		return err;
3933 
3934 	bline->committer = strdup(got_object_commit_get_committer(commit));
3935 	if (bline->committer == NULL) {
3936 		err = got_error_from_errno("strdup");
3937 		goto done;
3938 	}
3939 
3940 	committer_time = got_object_commit_get_committer_time(commit);
3941 	if (gmtime_r(&committer_time, &tm) == NULL)
3942 		return got_error_from_errno("gmtime_r");
3943 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3944 	    &tm) == 0) {
3945 		err = got_error(GOT_ERR_NO_SPACE);
3946 		goto done;
3947 	}
3948 	bline->annotated = 1;
3949 
3950 	/* Print lines annotated so far. */
3951 	bline = &a->lines[a->lineno_cur - 1];
3952 	if (!bline->annotated)
3953 		goto done;
3954 
3955 	offset = a->line_offsets[a->lineno_cur - 1];
3956 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3957 		err = got_error_from_errno("fseeko");
3958 		goto done;
3959 	}
3960 
3961 	while (bline->annotated) {
3962 		char *smallerthan, *at, *nl, *committer;
3963 		char *href_diff = NULL;
3964 		size_t len;
3965 
3966 		if (getline(&line, &linesize, a->f) == -1) {
3967 			if (ferror(a->f))
3968 				err = got_error_from_errno("getline");
3969 			break;
3970 		}
3971 
3972 		committer = bline->committer;
3973 		smallerthan = strchr(committer, '<');
3974 		if (smallerthan && smallerthan[1] != '\0')
3975 			committer = smallerthan + 1;
3976 		at = strchr(committer, '@');
3977 		if (at)
3978 			*at = '\0';
3979 		len = strlen(committer);
3980 		if (len >= 9)
3981 			committer[8] = '\0';
3982 
3983 		nl = strchr(line, '\n');
3984 		if (nl)
3985 			*nl = '\0';
3986 
3987 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3988 		    "blame_wrapper", KATTR__MAX);
3989 		if (kerr != KCGI_OK)
3990 			goto err;
3991 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3992 		    "blame_number", KATTR__MAX);
3993 		if (kerr != KCGI_OK)
3994 			goto err;
3995 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3996 		    a->nlines_prec, a->lineno_cur);
3997 		if (kerr != KCGI_OK)
3998 			goto err;
3999 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4000 		if (kerr != KCGI_OK)
4001 			goto err;
4002 
4003 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4004 		    "blame_hash", KATTR__MAX);
4005 		if (kerr != KCGI_OK)
4006 			goto err;
4007 
4008 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
4009 		    a->gw_trans->repo_name, "action", "diff", "commit",
4010 		    bline->id_str, NULL);
4011 		if (href_diff == NULL) {
4012 			err = got_error_from_errno("khttp_urlpart");
4013 			goto done;
4014 		}
4015 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
4016 		    KATTR_HREF, href_diff, KATTR__MAX);
4017 		if (kerr != KCGI_OK)
4018 			goto done;
4019 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
4020 		    bline->id_str);
4021 		if (kerr != KCGI_OK)
4022 			goto err;
4023 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
4024 		if (kerr != KCGI_OK)
4025 			goto err;
4026 
4027 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4028 		    "blame_date", KATTR__MAX);
4029 		if (kerr != KCGI_OK)
4030 			goto err;
4031 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
4032 		if (kerr != KCGI_OK)
4033 			goto err;
4034 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4035 		if (kerr != KCGI_OK)
4036 			goto err;
4037 
4038 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4039 		    "blame_author", KATTR__MAX);
4040 		if (kerr != KCGI_OK)
4041 			goto err;
4042 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
4043 		if (kerr != KCGI_OK)
4044 			goto err;
4045 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4046 		if (kerr != KCGI_OK)
4047 			goto err;
4048 
4049 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4050 		    "blame_code", KATTR__MAX);
4051 		if (kerr != KCGI_OK)
4052 			goto err;
4053 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
4054 		if (kerr != KCGI_OK)
4055 			goto err;
4056 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4057 		if (kerr != KCGI_OK)
4058 			goto err;
4059 
4060 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
4061 		if (kerr != KCGI_OK)
4062 			goto err;
4063 
4064 		a->lineno_cur++;
4065 		bline = &a->lines[a->lineno_cur - 1];
4066 err:
4067 		free(href_diff);
4068 	}
4069 done:
4070 	free(line);
4071 	if (err == NULL && kerr != KCGI_OK)
4072 		err = gw_kcgi_error(kerr);
4073 	return err;
4074 }
4075 
4076 static const struct got_error *
4077 gw_output_file_blame(struct gw_trans *gw_trans, struct gw_header *header)
4078 {
4079 	const struct got_error *error = NULL;
4080 	struct got_object_id *obj_id = NULL;
4081 	struct got_object_id *commit_id = NULL;
4082 	struct got_commit_object *commit = NULL;
4083 	struct got_blob_object *blob = NULL;
4084 	char *path = NULL, *in_repo_path = NULL;
4085 	struct gw_blame_cb_args bca;
4086 	int i, obj_type, fd1 = -1, fd2 = -1, fd3 = -1;
4087 	off_t filesize;
4088 	FILE *f1 = NULL, *f2 = NULL;
4089 
4090 	fd1 = got_opentempfd();
4091 	if (fd1 == -1)
4092 		return got_error_from_errno("got_opentempfd");
4093 	fd2 = got_opentempfd();
4094 	if (fd2 == -1) {
4095 		error = got_error_from_errno("got_opentempfd");
4096 		goto done;
4097 	}
4098 	fd3 = got_opentempfd();
4099 	if (fd3 == -1) {
4100 		error = got_error_from_errno("got_opentempfd");
4101 		goto done;
4102 	}
4103 
4104 	memset(&bca, 0, sizeof(bca));
4105 
4106 	if (asprintf(&path, "%s%s%s",
4107 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4108 	    gw_trans->repo_folder ? "/" : "",
4109 	    gw_trans->repo_file) == -1) {
4110 		error = got_error_from_errno("asprintf");
4111 		goto done;
4112 	}
4113 
4114 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4115 	if (error)
4116 		goto done;
4117 
4118 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4119 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4120 	if (error)
4121 		goto done;
4122 
4123 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4124 	if (error)
4125 		goto done;
4126 
4127 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4128 	    in_repo_path);
4129 	if (error)
4130 		goto done;
4131 
4132 	if (obj_id == NULL) {
4133 		error = got_error(GOT_ERR_NO_OBJ);
4134 		goto done;
4135 	}
4136 
4137 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4138 	if (error)
4139 		goto done;
4140 
4141 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4142 		error = got_error(GOT_ERR_OBJ_TYPE);
4143 		goto done;
4144 	}
4145 
4146 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192,
4147 	    fd1);
4148 	if (error)
4149 		goto done;
4150 
4151 	bca.f = got_opentemp();
4152 	if (bca.f == NULL) {
4153 		error = got_error_from_errno("got_opentemp");
4154 		goto done;
4155 	}
4156 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
4157 	    &bca.line_offsets, bca.f, blob);
4158 	if (error || bca.nlines == 0)
4159 		goto done;
4160 
4161 	/* Don't include \n at EOF in the blame line count. */
4162 	if (bca.line_offsets[bca.nlines - 1] == filesize)
4163 		bca.nlines--;
4164 
4165 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
4166 	if (bca.lines == NULL) {
4167 		error = got_error_from_errno("calloc");
4168 		goto done;
4169 	}
4170 	bca.lineno_cur = 1;
4171 	bca.nlines_prec = 0;
4172 	i = bca.nlines;
4173 	while (i > 0) {
4174 		i /= 10;
4175 		bca.nlines_prec++;
4176 	}
4177 	bca.repo = gw_trans->repo;
4178 	bca.gw_trans = gw_trans;
4179 
4180 	fd1 = got_opentempfd();
4181 	if (fd1 == -1) {
4182 		error = got_error_from_errno("got_opentempfd");
4183 		goto done;
4184 	}
4185 
4186 	f1 = got_opentemp();
4187 	if (f1 == NULL) {
4188 		error = got_error_from_errno("got_opentempfd");
4189 		goto done;
4190 	}
4191 	f2 = got_opentemp();
4192 	if (f2 == NULL) {
4193 		error = got_error_from_errno("got_opentempfd");
4194 		goto done;
4195 	}
4196 
4197 	error = got_blame(in_repo_path, commit_id, gw_trans->repo,
4198 	    GOT_DIFF_ALGORITHM_PATIENCE, gw_blame_cb, &bca, NULL, NULL,
4199 	    fd2, fd3, f1, f2);
4200 done:
4201 	free(in_repo_path);
4202 	free(commit_id);
4203 	free(obj_id);
4204 	free(path);
4205 
4206 	if (fd1 != -1 && close(fd1) == -1 && error == NULL)
4207 		error = got_error_from_errno("close");
4208 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
4209 		error = got_error_from_errno("close");
4210 	if (fd3 != -1 && close(fd3) == -1 && error == NULL)
4211 		error = got_error_from_errno("close");
4212 	if (f1 && fclose(f1) == EOF && error == NULL)
4213 		error = got_error_from_errno("fclose");
4214 	if (f2 && fclose(f2) == EOF && error == NULL)
4215 		error = got_error_from_errno("fclose");
4216 
4217 	if (blob) {
4218 		free(bca.line_offsets);
4219 		for (i = 0; i < bca.nlines; i++) {
4220 			struct blame_line *bline = &bca.lines[i];
4221 			free(bline->id_str);
4222 			free(bline->committer);
4223 		}
4224 		free(bca.lines);
4225 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4226 			error = got_error_from_errno("fclose");
4227 	}
4228 	if (blob)
4229 		got_object_blob_close(blob);
4230 	if (commit)
4231 		got_object_commit_close(commit);
4232 	return error;
4233 }
4234 
4235 static const struct got_error *
4236 gw_output_blob_buf(struct gw_trans *gw_trans, struct gw_header *header)
4237 {
4238 	const struct got_error *error = NULL;
4239 	struct got_object_id *obj_id = NULL;
4240 	struct got_object_id *commit_id = NULL;
4241 	struct got_commit_object *commit = NULL;
4242 	struct got_blob_object *blob = NULL;
4243 	char *path = NULL, *in_repo_path = NULL;
4244 	int obj_type, set_mime = 0, fd = -1;
4245 	size_t len, hdrlen;
4246 	const uint8_t *buf;
4247 	enum kcgi_err kerr = KCGI_OK;
4248 
4249 	fd = got_opentempfd();
4250 	if (fd == -1)
4251 		return got_error_from_errno("got_opentempfd");
4252 
4253 	if (asprintf(&path, "%s%s%s",
4254 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4255 	    gw_trans->repo_folder ? "/" : "",
4256 	    gw_trans->repo_file) == -1) {
4257 		error = got_error_from_errno("asprintf");
4258 		goto done;
4259 	}
4260 
4261 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path);
4262 	if (error)
4263 		goto done;
4264 
4265 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4266 	    GOT_OBJ_TYPE_COMMIT, &header->refs, gw_trans->repo);
4267 	if (error)
4268 		goto done;
4269 
4270 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4271 	if (error)
4272 		goto done;
4273 
4274 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit,
4275 	    in_repo_path);
4276 	if (error)
4277 		goto done;
4278 
4279 	if (obj_id == NULL) {
4280 		error = got_error(GOT_ERR_NO_OBJ);
4281 		goto done;
4282 	}
4283 
4284 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4285 	if (error)
4286 		goto done;
4287 
4288 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4289 		error = got_error(GOT_ERR_OBJ_TYPE);
4290 		goto done;
4291 	}
4292 
4293 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192,
4294 	    fd);
4295 	if (error)
4296 		goto done;
4297 
4298 	hdrlen = got_object_blob_get_hdrlen(blob);
4299 	do {
4300 		error = got_object_blob_read_block(&len, blob);
4301 		if (error)
4302 			goto done;
4303 		buf = got_object_blob_get_read_buf(blob);
4304 
4305 		/*
4306 		 * Skip blob object header first time around,
4307 		 * which also contains a zero byte.
4308 		 */
4309 		buf += hdrlen;
4310 		if (set_mime == 0) {
4311 			if (isbinary(buf, len - hdrlen))
4312 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4313 			else
4314 				gw_trans->mime = KMIME_TEXT_PLAIN;
4315 			set_mime = 1;
4316 			error = gw_display_index(gw_trans);
4317 			if (error)
4318 				goto done;
4319 		}
4320 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4321 		if (kerr != KCGI_OK)
4322 			goto done;
4323 		hdrlen = 0;
4324 	} while (len != 0);
4325 done:
4326 	free(in_repo_path);
4327 	free(commit_id);
4328 	free(obj_id);
4329 	free(path);
4330 	if (fd != -1 && close(fd) == -1 && error == NULL)
4331 		error = got_error_from_errno("close");
4332 	if (blob)
4333 		got_object_blob_close(blob);
4334 	if (commit)
4335 		got_object_commit_close(commit);
4336 	if (error == NULL && kerr != KCGI_OK)
4337 		error = gw_kcgi_error(kerr);
4338 	return error;
4339 }
4340 
4341 static const struct got_error *
4342 gw_output_repo_tree(struct gw_trans *gw_trans, struct gw_header *header)
4343 {
4344 	const struct got_error *error = NULL;
4345 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4346 	struct got_tree_object *tree = NULL;
4347 	struct got_commit_object *commit = NULL;
4348 	char *path = NULL, *in_repo_path = NULL;
4349 	char *id_str = NULL;
4350 	char *build_folder = NULL;
4351 	char *href_blob = NULL, *href_blame = NULL;
4352 	const char *class = NULL;
4353 	int nentries, i, class_flip = 0;
4354 	enum kcgi_err kerr = KCGI_OK;
4355 
4356 	if (gw_trans->repo_folder != NULL) {
4357 		path = strdup(gw_trans->repo_folder);
4358 		if (path == NULL) {
4359 			error = got_error_from_errno("strdup");
4360 			goto done;
4361 		}
4362 	} else {
4363 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4364 		    gw_trans->repo_path);
4365 		if (error)
4366 			goto done;
4367 		free(path);
4368 		path = in_repo_path;
4369 	}
4370 
4371 	if (gw_trans->commit_id == NULL) {
4372 		struct got_reference *head_ref;
4373 		error = got_ref_open(&head_ref, gw_trans->repo,
4374 		    gw_trans->headref, 0);
4375 		if (error)
4376 			goto done;
4377 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4378 		if (error)
4379 			goto done;
4380 		got_ref_close(head_ref);
4381 		/*
4382 		 * gw_trans->commit_id was not parsed from the querystring
4383 		 * we hit this code path from gw_index, where we don't know the
4384 		 * commit values for the tree link yet, so set
4385 		 * gw_trans->commit_id here to continue further into the tree
4386 		 */
4387 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4388 		if (error)
4389 			goto done;
4390 
4391 	} else {
4392 		error = got_repo_match_object_id(&commit_id, NULL,
4393 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, &header->refs,
4394 		    gw_trans->repo);
4395 		if (error)
4396 			goto done;
4397 	}
4398 
4399 	error = got_object_open_as_commit(&commit, gw_trans->repo, commit_id);
4400 	if (error)
4401 		goto done;
4402 
4403 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit,
4404 	    path);
4405 	if (error)
4406 		goto done;
4407 
4408 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4409 	if (error)
4410 		goto done;
4411 
4412 	nentries = got_object_tree_get_nentries(tree);
4413 	for (i = 0; i < nentries; i++) {
4414 		struct got_tree_entry *te;
4415 		const char *modestr = "";
4416 		mode_t mode;
4417 
4418 		te = got_object_tree_get_entry(tree, i);
4419 
4420 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4421 		if (error)
4422 			goto done;
4423 
4424 		mode = got_tree_entry_get_mode(te);
4425 		if (got_object_tree_entry_is_submodule(te))
4426 			modestr = "$";
4427 		else if (S_ISLNK(mode))
4428 			modestr = "@";
4429 		else if (S_ISDIR(mode))
4430 			modestr = "/";
4431 		else if (mode & S_IXUSR)
4432 			modestr = "*";
4433 
4434 		if (class_flip == 0) {
4435 			class = "back_lightgray";
4436 			class_flip = 1;
4437 		} else {
4438 			class = "back_white";
4439 			class_flip = 0;
4440 		}
4441 
4442 		if (S_ISDIR(mode)) {
4443 			if (asprintf(&build_folder, "%s/%s",
4444 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4445 			    got_tree_entry_get_name(te)) == -1) {
4446 				error = got_error_from_errno("asprintf");
4447 				goto done;
4448 			}
4449 
4450 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4451 			    gw_trans->repo_name, "action",
4452 			    gw_get_action_name(gw_trans), "commit",
4453 			    gw_trans->commit_id, "folder", build_folder, NULL);
4454 			if (href_blob == NULL) {
4455 				error = got_error_from_errno("khttp_urlpart");
4456 				goto done;
4457 			}
4458 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4459 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4460 			if (kerr != KCGI_OK)
4461 				goto done;
4462 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4463 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4464 			    KATTR__MAX);
4465 			if (kerr != KCGI_OK)
4466 				goto done;
4467 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4468 			    KATTR_HREF, href_blob, KATTR_CLASS,
4469 			    "diff_directory", KATTR__MAX);
4470 			if (kerr != KCGI_OK)
4471 				goto done;
4472 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4473 			    got_tree_entry_get_name(te), modestr);
4474 			if (kerr != KCGI_OK)
4475 				goto done;
4476 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4477 			if (kerr != KCGI_OK)
4478 				goto done;
4479 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4480 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4481 			    KATTR__MAX);
4482 			if (kerr != KCGI_OK)
4483 				goto done;
4484 			kerr = khtml_entity(gw_trans->gw_html_req,
4485 			    KENTITY_nbsp);
4486 			if (kerr != KCGI_OK)
4487 				goto done;
4488 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4489 			if (kerr != KCGI_OK)
4490 				goto done;
4491 		} else {
4492 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4493 			    gw_trans->repo_name, "action", "blob", "commit",
4494 			    gw_trans->commit_id, "file",
4495 			    got_tree_entry_get_name(te), "folder",
4496 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4497 			    NULL);
4498 			if (href_blob == NULL) {
4499 				error = got_error_from_errno("khttp_urlpart");
4500 				goto done;
4501 			}
4502 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4503 			    gw_trans->repo_name, "action", "blame", "commit",
4504 			    gw_trans->commit_id, "file",
4505 			    got_tree_entry_get_name(te), "folder", 
4506 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4507 			    NULL);
4508 			if (href_blame == NULL) {
4509 				error = got_error_from_errno("khttp_urlpart");
4510 				goto done;
4511 			}
4512 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4513 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4514 			if (kerr != KCGI_OK)
4515 				goto done;
4516 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4517 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4518 			    KATTR__MAX);
4519 			if (kerr != KCGI_OK)
4520 				goto done;
4521 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4522 			    KATTR_HREF, href_blob, KATTR__MAX);
4523 			if (kerr != KCGI_OK)
4524 				goto done;
4525 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4526 			    got_tree_entry_get_name(te), modestr);
4527 			if (kerr != KCGI_OK)
4528 				goto done;
4529 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4530 			if (kerr != KCGI_OK)
4531 				goto done;
4532 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4533 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4534 			    KATTR__MAX);
4535 			if (kerr != KCGI_OK)
4536 				goto done;
4537 
4538 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4539 			    KATTR_HREF, href_blob, KATTR__MAX);
4540 			if (kerr != KCGI_OK)
4541 				goto done;
4542 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4543 			if (kerr != KCGI_OK)
4544 				goto done;
4545 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4546 			if (kerr != KCGI_OK)
4547 				goto done;
4548 
4549 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4550 			if (kerr != KCGI_OK)
4551 				goto done;
4552 
4553 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4554 			    KATTR_HREF, href_blame, KATTR__MAX);
4555 			if (kerr != KCGI_OK)
4556 				goto done;
4557 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4558 			if (kerr != KCGI_OK)
4559 				goto done;
4560 
4561 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4562 			if (kerr != KCGI_OK)
4563 				goto done;
4564 		}
4565 		free(id_str);
4566 		id_str = NULL;
4567 		free(href_blob);
4568 		href_blob = NULL;
4569 		free(build_folder);
4570 		build_folder = NULL;
4571 	}
4572 done:
4573 	if (tree)
4574 		got_object_tree_close(tree);
4575 	if (commit)
4576 		got_object_commit_close(commit);
4577 	free(id_str);
4578 	free(href_blob);
4579 	free(href_blame);
4580 	free(in_repo_path);
4581 	free(tree_id);
4582 	free(build_folder);
4583 	if (error == NULL && kerr != KCGI_OK)
4584 		error = gw_kcgi_error(kerr);
4585 	return error;
4586 }
4587 
4588 static const struct got_error *
4589 gw_output_repo_heads(struct gw_trans *gw_trans)
4590 {
4591 	const struct got_error *error = NULL;
4592 	struct got_reflist_head refs;
4593 	struct got_reflist_entry *re;
4594 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4595 	char *href_commits = NULL;
4596 	enum kcgi_err kerr = KCGI_OK;
4597 
4598 	TAILQ_INIT(&refs);
4599 
4600 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4601 	    got_ref_cmp_by_name, NULL);
4602 	if (error)
4603 		goto done;
4604 
4605 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4606 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4607 	if (kerr != KCGI_OK)
4608 		goto done;
4609 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4610 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4611 	if (kerr != KCGI_OK)
4612 		goto done;
4613 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4614 	if (kerr != KCGI_OK)
4615 		goto done;
4616 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4617 	if (kerr != KCGI_OK)
4618 		goto done;
4619 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4620 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4621 	if (kerr != KCGI_OK)
4622 		goto done;
4623 
4624 	TAILQ_FOREACH(re, &refs, entry) {
4625 		const char *refname;
4626 
4627 		if (got_ref_is_symbolic(re->ref))
4628 			continue;
4629 
4630 		refname = got_ref_get_name(re->ref);
4631 		if (strncmp(refname, "refs/heads/", 11) != 0)
4632 			continue;
4633 
4634 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4635 		    refname, TM_DIFF);
4636 		if (error)
4637 			goto done;
4638 
4639 		if (strncmp(refname, "refs/heads/", 11) == 0)
4640 			refname += 11;
4641 
4642 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4643 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4644 		if (kerr != KCGI_OK)
4645 			goto done;
4646 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4647 		    KATTR_ID, "heads_age", KATTR__MAX);
4648 		if (kerr != KCGI_OK)
4649 			goto done;
4650 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4651 		if (kerr != KCGI_OK)
4652 			goto done;
4653 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4654 		if (kerr != KCGI_OK)
4655 			goto done;
4656 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4657 		    KATTR_ID, "heads_space", KATTR__MAX);
4658 		if (kerr != KCGI_OK)
4659 			goto done;
4660 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4661 		if (kerr != KCGI_OK)
4662 			goto done;
4663 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4664 		if (kerr != KCGI_OK)
4665 			goto done;
4666 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4667 		    KATTR_ID, "head", KATTR__MAX);
4668 		if (kerr != KCGI_OK)
4669 			goto done;
4670 
4671 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4672 		    gw_trans->repo_name, "action", "summary", "headref",
4673 		    refname, NULL);
4674 		if (href_summary == NULL) {
4675 			error = got_error_from_errno("khttp_urlpart");
4676 			goto done;
4677 		}
4678 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4679 		    href_summary, KATTR__MAX);
4680 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4681 		if (kerr != KCGI_OK)
4682 			goto done;
4683 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4684 		if (kerr != KCGI_OK)
4685 			goto done;
4686 
4687 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4688 		    "navs_wrapper", KATTR__MAX);
4689 		if (kerr != KCGI_OK)
4690 			goto done;
4691 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4692 		    "navs", KATTR__MAX);
4693 		if (kerr != KCGI_OK)
4694 			goto done;
4695 
4696 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4697 		    href_summary, KATTR__MAX);
4698 		if (kerr != KCGI_OK)
4699 			goto done;
4700 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4701 		if (kerr != KCGI_OK)
4702 			goto done;
4703 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4704 		if (kerr != KCGI_OK)
4705 			goto done;
4706 
4707 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4708 		if (kerr != KCGI_OK)
4709 			goto done;
4710 
4711 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4712 		    gw_trans->repo_name, "action", "briefs", "headref",
4713 		    refname, NULL);
4714 		if (href_briefs == NULL) {
4715 			error = got_error_from_errno("khttp_urlpart");
4716 			goto done;
4717 		}
4718 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4719 		    href_briefs, KATTR__MAX);
4720 		if (kerr != KCGI_OK)
4721 			goto done;
4722 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4723 		if (kerr != KCGI_OK)
4724 			goto done;
4725 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4726 		if (kerr != KCGI_OK)
4727 			goto done;
4728 
4729 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4730 		if (kerr != KCGI_OK)
4731 			goto done;
4732 
4733 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4734 		    gw_trans->repo_name, "action", "commits", "headref",
4735 		    refname, NULL);
4736 		if (href_commits == NULL) {
4737 			error = got_error_from_errno("khttp_urlpart");
4738 			goto done;
4739 		}
4740 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4741 		    href_commits, KATTR__MAX);
4742 		if (kerr != KCGI_OK)
4743 			goto done;
4744 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4745 		if (kerr != KCGI_OK)
4746 			goto done;
4747 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4748 		if (kerr != KCGI_OK)
4749 			goto done;
4750 
4751 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4752 		    "dotted_line", KATTR__MAX);
4753 		if (kerr != KCGI_OK)
4754 			goto done;
4755 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4756 		if (kerr != KCGI_OK)
4757 			goto done;
4758 		free(href_summary);
4759 		href_summary = NULL;
4760 		free(href_briefs);
4761 		href_briefs = NULL;
4762 		free(href_commits);
4763 		href_commits = NULL;
4764 	}
4765 done:
4766 	got_ref_list_free(&refs);
4767 	free(href_summary);
4768 	free(href_briefs);
4769 	free(href_commits);
4770 	return error;
4771 }
4772 
4773 static const struct got_error *
4774 gw_output_site_link(struct gw_trans *gw_trans)
4775 {
4776 	const struct got_error *error = NULL;
4777 	char *href_summary = NULL;
4778 	enum kcgi_err kerr = KCGI_OK;
4779 
4780 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4781 	    "site_link", KATTR__MAX);
4782 	if (kerr != KCGI_OK)
4783 		goto done;
4784 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4785 	    KATTR__MAX);
4786 	if (kerr != KCGI_OK)
4787 		goto done;
4788 	kerr = khtml_puts(gw_trans->gw_html_req,
4789 	    gw_trans->gw_conf->got_site_link);
4790 	if (kerr != KCGI_OK)
4791 		goto done;
4792 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4793 	if (kerr != KCGI_OK)
4794 		goto done;
4795 
4796 	if (gw_trans->repo_name != NULL) {
4797 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4798 		if (kerr != KCGI_OK)
4799 			goto done;
4800 
4801 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4802 		    gw_trans->repo_name, "action", "summary", NULL);
4803 		if (href_summary == NULL) {
4804 			error = got_error_from_errno("khttp_urlpart");
4805 			goto done;
4806 		}
4807 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4808 		    href_summary, KATTR__MAX);
4809 		if (kerr != KCGI_OK)
4810 			goto done;
4811 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4812 		if (kerr != KCGI_OK)
4813 			goto done;
4814 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4815 		if (kerr != KCGI_OK)
4816 			goto done;
4817 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4818 		    gw_get_action_name(gw_trans));
4819 		if (kerr != KCGI_OK)
4820 			goto done;
4821 	}
4822 
4823 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4824 	if (kerr != KCGI_OK)
4825 		goto done;
4826 done:
4827 	free(href_summary);
4828 	if (error == NULL && kerr != KCGI_OK)
4829 		error = gw_kcgi_error(kerr);
4830 	return error;
4831 }
4832 
4833 static const struct got_error *
4834 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4835 {
4836 	const struct got_error *error = NULL;
4837 	const char *color = NULL;
4838 	enum kcgi_err kerr = KCGI_OK;
4839 
4840 	if (strncmp(buf, "-", 1) == 0)
4841 		color = "diff_minus";
4842 	else if (strncmp(buf, "+", 1) == 0)
4843 		color = "diff_plus";
4844 	else if (strncmp(buf, "@@", 2) == 0)
4845 		color = "diff_chunk_header";
4846 	else if (strncmp(buf, "@@", 2) == 0)
4847 		color = "diff_chunk_header";
4848 	else if (strncmp(buf, "commit +", 8) == 0)
4849 		color = "diff_meta";
4850 	else if (strncmp(buf, "commit -", 8) == 0)
4851 		color = "diff_meta";
4852 	else if (strncmp(buf, "blob +", 6) == 0)
4853 		color = "diff_meta";
4854 	else if (strncmp(buf, "blob -", 6) == 0)
4855 		color = "diff_meta";
4856 	else if (strncmp(buf, "file +", 6) == 0)
4857 		color = "diff_meta";
4858 	else if (strncmp(buf, "file -", 6) == 0)
4859 		color = "diff_meta";
4860 	else if (strncmp(buf, "from:", 5) == 0)
4861 		color = "diff_author";
4862 	else if (strncmp(buf, "via:", 4) == 0)
4863 		color = "diff_author";
4864 	else if (strncmp(buf, "date:", 5) == 0)
4865 		color = "diff_date";
4866 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4867 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4868 	if (error == NULL && kerr != KCGI_OK)
4869 		error = gw_kcgi_error(kerr);
4870 	return error;
4871 }
4872 
4873 int
4874 main(int argc, char *argv[])
4875 {
4876 	const struct got_error *error = NULL, *error2 = NULL;
4877 	struct gw_trans *gw_trans;
4878 	struct gw_dir *dir = NULL, *tdir;
4879 	const char *page = "index";
4880 	enum kcgi_err kerr = KCGI_OK;
4881 
4882 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4883 		errx(1, "malloc");
4884 
4885 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4886 		errx(1, "malloc");
4887 
4888 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4889 		errx(1, "malloc");
4890 
4891 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4892 		errx(1, "malloc");
4893 
4894 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4895 	if (kerr != KCGI_OK) {
4896 		error = gw_kcgi_error(kerr);
4897 		goto done;
4898 	}
4899 
4900 	TAILQ_INIT(&gw_trans->gw_dirs);
4901 	TAILQ_INIT(&gw_trans->gw_headers);
4902 
4903 	gw_trans->action = -1;
4904 	gw_trans->page = 0;
4905 	gw_trans->repos_total = 0;
4906 	gw_trans->repo_path = NULL;
4907 	gw_trans->commit_id = NULL;
4908 	gw_trans->next_id = NULL;
4909 	gw_trans->prev_id = NULL;
4910 	gw_trans->headref = GOT_REF_HEAD;
4911 	gw_trans->mime = KMIME_TEXT_HTML;
4912 	gw_trans->gw_tmpl->key = gw_templs;
4913 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4914 	gw_trans->gw_tmpl->arg = gw_trans;
4915 	gw_trans->gw_tmpl->cb = gw_template;
4916 
4917 	error = got_repo_pack_fds_open(&gw_trans->pack_fds);
4918 	if (error != NULL)
4919 		goto done;
4920 
4921 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4922 	if (error)
4923 		goto done;
4924 
4925 	error = gw_parse_querystring(gw_trans);
4926 	if (error)
4927 		goto done;
4928 
4929 	if (gw_trans->repo) {
4930 		const struct got_error *close_err;
4931 		close_err = got_repo_close(gw_trans->repo);
4932 		if (error == NULL)
4933 			error = close_err;
4934 	}
4935 	if (gw_trans->action == GW_BLOB)
4936 		error = gw_blob(gw_trans);
4937 	else
4938 		error = gw_display_index(gw_trans);
4939 done:
4940 	if (error) {
4941 		gw_trans->error = error;
4942 		gw_trans->action = GW_ERR;
4943 		error2 = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
4944 		if (error2)
4945 			goto cleanup; /* we can't display an error page */
4946 		kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
4947 		if (kerr != KCGI_OK)
4948 			goto cleanup; /* we can't display an error page */
4949 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
4950 			gw_query_funcs[gw_trans->action].template);
4951 		if (kerr != KCGI_OK) {
4952 			khtml_close(gw_trans->gw_html_req);
4953 			goto cleanup; /* we can't display an error page */
4954 		}
4955 	}
4956 
4957 cleanup:
4958 	if (gw_trans->pack_fds) {
4959 		const struct got_error *pack_err =
4960 		    got_repo_pack_fds_close(gw_trans->pack_fds);
4961 		if (error == NULL)
4962 			error = pack_err;
4963 		gw_trans->pack_fds = NULL;
4964 	}
4965 	free(gw_trans->gw_conf->got_repos_path);
4966 	free(gw_trans->gw_conf->got_www_path);
4967 	free(gw_trans->gw_conf->got_site_name);
4968 	free(gw_trans->gw_conf->got_site_owner);
4969 	free(gw_trans->gw_conf->got_site_link);
4970 	free(gw_trans->gw_conf->got_logo);
4971 	free(gw_trans->gw_conf->got_logo_url);
4972 	free(gw_trans->gw_conf);
4973 	free(gw_trans->commit_id);
4974 	free(gw_trans->next_id);
4975 	free(gw_trans->prev_id);
4976 	free(gw_trans->repo_path);
4977 	TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4978 		free(dir->name);
4979 		free(dir->description);
4980 		free(dir->age);
4981 		free(dir->url);
4982 		free(dir->path);
4983 		free(dir);
4984 	}
4985 
4986 	khttp_free(gw_trans->gw_req);
4987 	return 0;
4988 }