1 /*
2  * Copyright (c) 2019, 2020 Tracey Emery <tracey@traceyemery.net>
3  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/queue.h>
19 #include <sys/stat.h>
20 #include <sys/types.h>
21 
22 #include <ctype.h>
23 #include <dirent.h>
24 #include <err.h>
25 #include <errno.h>
26 #include <regex.h>
27 #include <stdarg.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 
34 #include <got_object.h>
35 #include <got_reference.h>
36 #include <got_repository.h>
37 #include <got_path.h>
38 #include <got_cancel.h>
39 #include <got_worktree.h>
40 #include <got_diff.h>
41 #include <got_commit_graph.h>
42 #include <got_blame.h>
43 #include <got_privsep.h>
44 #include <got_opentemp.h>
45 
46 #include <kcgi.h>
47 #include <kcgihtml.h>
48 
49 #include "gotweb.h"
50 
51 #ifndef nitems
52 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
53 #endif
54 
55 struct gw_trans {
56 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
57 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
58 	struct got_repository	*repo;
59 	struct gw_dir		*gw_dir;
60 	struct gotweb_conf	*gw_conf;
61 	struct ktemplate	*gw_tmpl;
62 	struct khtmlreq		*gw_html_req;
63 	struct kreq		*gw_req;
64 	const struct got_error	*error;
65 	const char		*repo_name;
66 	char			*repo_path;
67 	char			*commit_id;
68 	char			*next_id;
69 	char			*next_prev_id;
70 	char			*prev_id;
71 	char			*prev_prev_id;
72 	const char		*repo_file;
73 	char			*repo_folder;
74 	const char		*headref;
75 	unsigned int		 action;
76 	unsigned int		 page;
77 	unsigned int		 repos_total;
78 	enum kmime		 mime;
79 };
80 
81 struct gw_header {
82 	TAILQ_ENTRY(gw_header)		 entry;
83 	struct got_reflist_head		 refs;
84 	char				*path;
85 
86 	char			*refs_str;
87 	char			*commit_id; /* id_str1 */
88 	char			*parent_id; /* id_str2 */
89 	char			*tree_id;
90 	char			*author;
91 	char			*committer;
92 	char			*commit_msg;
93 	time_t			 committer_time;
94 };
95 
96 struct gw_dir {
97 	TAILQ_ENTRY(gw_dir)	 entry;
98 	char			*name;
99 	char			*owner;
100 	char			*description;
101 	char			*url;
102 	char			*age;
103 	char			*path;
104 };
105 
106 enum gw_key {
107 	KEY_ACTION,
108 	KEY_COMMIT_ID,
109 	KEY_FILE,
110 	KEY_FOLDER,
111 	KEY_HEADREF,
112 	KEY_PAGE,
113 	KEY_PATH,
114 	KEY_PREV_ID,
115 	KEY_PREV_PREV_ID,
116 	KEY__ZMAX
117 };
118 
119 enum gw_tmpl {
120 	TEMPL_CONTENT,
121 	TEMPL_HEAD,
122 	TEMPL_HEADER,
123 	TEMPL_SEARCH,
124 	TEMPL_SITEPATH,
125 	TEMPL_SITEOWNER,
126 	TEMPL_TITLE,
127 	TEMPL__MAX
128 };
129 
130 enum gw_ref_tm {
131 	TM_DIFF,
132 	TM_LONG,
133 };
134 
135 enum gw_tags_type {
136 	TAGBRIEF,
137 	TAGFULL,
138 };
139 
140 static const char *const gw_templs[TEMPL__MAX] = {
141 	"content",
142 	"head",
143 	"header",
144 	"search",
145 	"sitepath",
146 	"siteowner",
147 	"title",
148 };
149 
150 static const struct kvalid gw_keys[KEY__ZMAX] = {
151 	{ kvalid_stringne,	"action" },
152 	{ kvalid_stringne,	"commit" },
153 	{ kvalid_stringne,	"file" },
154 	{ kvalid_stringne,	"folder" },
155 	{ kvalid_stringne,	"headref" },
156 	{ kvalid_int,		"page" },
157 	{ kvalid_stringne,	"path" },
158 	{ kvalid_stringne,	"prev" },
159 	{ kvalid_stringne,	"prev_prev" },
160 };
161 
162 static struct gw_header		*gw_init_header(void);
163 
164 static void			 gw_free_header(struct gw_header *);
165 
166 static int			 gw_template(size_t, void *);
167 
168 static const struct got_error	*gw_error(struct gw_trans *);
169 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
170 static const struct got_error	*gw_get_repo_description(char **,
171 				    struct gw_trans *, char *);
172 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
173 				    char *);
174 static const struct got_error	*gw_get_time_str(char **, time_t, int);
175 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
176 				    char *, const char *, int);
177 static const struct got_error	*gw_output_file_blame(struct gw_trans *);
178 static const struct got_error	*gw_output_blob_buf(struct gw_trans *);
179 static const struct got_error	*gw_output_repo_tree(struct gw_trans *);
180 static const struct got_error	*gw_output_diff(struct gw_trans *,
181 				    struct gw_header *);
182 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
183 				    struct gw_header *, int, int);
184 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
185 static const struct got_error	*gw_output_site_link(struct gw_trans *);
186 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
187 				    char *);
188 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
189 
190 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
191 				    char*);
192 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
193 				    char*);
194 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
195 				    const char *);
196 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
197 				    const char *);
198 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
199 				    const char *);
200 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
201 				    char *);
202 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
203 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
204 				    enum kmime);
205 static const struct got_error	*gw_display_index(struct gw_trans *);
206 static const struct got_error	*gw_get_header(struct gw_trans *,
207 				    struct gw_header *, int);
208 static const struct got_error	*gw_get_commits(struct gw_trans *,
209 				    struct gw_header *, int,
210 				    struct got_object_id *);
211 static const struct got_error	*gw_get_commit(struct gw_trans *,
212 				    struct gw_header *,
213 				    struct got_commit_object *,
214 				    struct got_object_id *);
215 static const struct got_error	*gw_apply_unveil(const char *);
216 static const struct got_error	*gw_blame_cb(void *, int, int,
217 				    struct got_object_id *);
218 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
219 static const struct got_error	*gw_load_got_path(struct gw_trans *,
220 				    struct gw_dir *);
221 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
222 static const struct got_error	*gw_blame(struct gw_trans *);
223 static const struct got_error	*gw_blob(struct gw_trans *);
224 static const struct got_error	*gw_diff(struct gw_trans *);
225 static const struct got_error	*gw_index(struct gw_trans *);
226 static const struct got_error	*gw_commits(struct gw_trans *);
227 static const struct got_error	*gw_briefs(struct gw_trans *);
228 static const struct got_error	*gw_summary(struct gw_trans *);
229 static const struct got_error	*gw_tree(struct gw_trans *);
230 static const struct got_error	*gw_tag(struct gw_trans *);
231 static const struct got_error	*gw_tags(struct gw_trans *);
232 
233 struct gw_query_action {
234 	unsigned int		 func_id;
235 	const char		*func_name;
236 	const struct got_error	*(*func_main)(struct gw_trans *);
237 	char			*template;
238 };
239 
240 enum gw_query_actions {
241 	GW_BLAME,
242 	GW_BLOB,
243 	GW_BRIEFS,
244 	GW_COMMITS,
245 	GW_DIFF,
246 	GW_ERR,
247 	GW_INDEX,
248 	GW_SUMMARY,
249 	GW_TAG,
250 	GW_TAGS,
251 	GW_TREE,
252 };
253 
254 static struct gw_query_action gw_query_funcs[] = {
255 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
256 	{ GW_BLOB,	"blob",		NULL,		NULL },
257 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
258 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
259 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
260 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
261 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
262 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
263 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
264 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
265 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
266 };
267 
268 static const char * 
269 gw_get_action_name(struct gw_trans *gw_trans)
270 {
271 	return gw_query_funcs[gw_trans->action].func_name;
272 }
273 
274 static const struct got_error *
275 gw_kcgi_error(enum kcgi_err kerr)
276 {
277 	if (kerr == KCGI_OK)
278 		return NULL;
279 
280 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
281 		return got_error(GOT_ERR_CANCELLED);
282 
283 	if (kerr == KCGI_ENOMEM)
284 		return got_error_set_errno(ENOMEM,
285 		    kcgi_strerror(kerr));
286 
287 	if (kerr == KCGI_ENFILE)
288 		return got_error_set_errno(ENFILE,
289 		    kcgi_strerror(kerr));
290 
291 	if (kerr == KCGI_EAGAIN)
292 		return got_error_set_errno(EAGAIN,
293 		    kcgi_strerror(kerr));
294 
295 	if (kerr == KCGI_FORM)
296 		return got_error_msg(GOT_ERR_IO,
297 		    kcgi_strerror(kerr));
298 
299 	return got_error_from_errno(kcgi_strerror(kerr));
300 }
301 
302 static const struct got_error *
303 gw_apply_unveil(const char *repo_path)
304 {
305 	const struct got_error *err;
306 
307 	if (repo_path && unveil(repo_path, "r") != 0)
308 		return got_error_from_errno2("unveil", repo_path);
309 
310 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
311 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
312 
313 	err = got_privsep_unveil_exec_helpers();
314 	if (err != NULL)
315 		return err;
316 
317 	if (unveil(NULL, NULL) != 0)
318 		return got_error_from_errno("unveil");
319 
320 	return NULL;
321 }
322 
323 static int
324 isbinary(const uint8_t *buf, size_t n)
325 {
326 	size_t i;
327 
328 	for (i = 0; i < n; i++)
329 		if (buf[i] == 0)
330 			return 1;
331 	return 0;
332 }
333 
334 static const struct got_error *
335 gw_blame(struct gw_trans *gw_trans)
336 {
337 	const struct got_error *error = NULL;
338 	struct gw_header *header = NULL;
339 	char *age = NULL;
340 	enum kcgi_err kerr = KCGI_OK;
341 
342 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
343 	    NULL) == -1)
344 		return got_error_from_errno("pledge");
345 
346 	if ((header = gw_init_header()) == NULL)
347 		return got_error_from_errno("malloc");
348 
349 	error = gw_apply_unveil(gw_trans->gw_dir->path);
350 	if (error)
351 		goto done;
352 
353 	/* check querystring */
354 	if (gw_trans->repo_file == NULL) {
355 		error = got_error_msg(GOT_ERR_QUERYSTRING,
356 		    "file required in querystring");
357 		goto done;
358 	}
359 	if (gw_trans->commit_id == NULL) {
360 		error = got_error_msg(GOT_ERR_QUERYSTRING,
361 		    "commit required in querystring");
362 		goto done;
363 	}
364 
365 	error = gw_get_header(gw_trans, header, 1);
366 	if (error)
367 		goto done;
368 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
369 	    "blame_header_wrapper", KATTR__MAX);
370 	if (kerr != KCGI_OK)
371 		goto done;
372 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
373 	    "blame_header", KATTR__MAX);
374 	if (kerr != KCGI_OK)
375 		goto done;
376 	error = gw_get_time_str(&age, header->committer_time,
377 	    TM_LONG);
378 	if (error)
379 		goto done;
380 	error = gw_gen_age_header(gw_trans, age ?age : "");
381 	if (error)
382 		goto done;
383 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
384 	if (error)
385 		goto done;
386 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
387 	if (kerr != KCGI_OK)
388 		goto done;
389 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
390 	    "dotted_line", KATTR__MAX);
391 	if (kerr != KCGI_OK)
392 		goto done;
393 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
394 	if (kerr != KCGI_OK)
395 		goto done;
396 
397 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
398 	    "blame", KATTR__MAX);
399 	if (kerr != KCGI_OK)
400 		goto done;
401 	error = gw_output_file_blame(gw_trans);
402 	if (error)
403 		goto done;
404 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
405 done:
406 	gw_free_header(header);
407 	if (error == NULL && kerr != KCGI_OK)
408 		error = gw_kcgi_error(kerr);
409 	return error;
410 }
411 
412 static const struct got_error *
413 gw_blob(struct gw_trans *gw_trans)
414 {
415 	const struct got_error *error = NULL, *err = NULL;
416 	struct gw_header *header = NULL;
417 	enum kcgi_err kerr = KCGI_OK;
418 
419 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
420 	    NULL) == -1)
421 		return got_error_from_errno("pledge");
422 
423 	if ((header = gw_init_header()) == NULL)
424 		return got_error_from_errno("malloc");
425 
426 	error = gw_apply_unveil(gw_trans->gw_dir->path);
427 	if (error)
428 		goto done;
429 
430 	/* check querystring */
431 	if (gw_trans->repo_file == NULL) {
432 		error = got_error_msg(GOT_ERR_QUERYSTRING,
433 		    "file required in querystring");
434 		goto done;
435 	}
436 	if (gw_trans->commit_id == NULL) {
437 		error = got_error_msg(GOT_ERR_QUERYSTRING,
438 		    "commit required in querystring");
439 		goto done;
440 	}
441 	error = gw_get_header(gw_trans, header, 1);
442 	if (error)
443 		goto done;
444 
445 	error = gw_output_blob_buf(gw_trans);
446 done:
447 
448 	if (error) {
449 		gw_trans->mime = KMIME_TEXT_PLAIN;
450 		err = gw_display_index(gw_trans);
451 		if (err) {
452 			error = err;
453 			goto errored;
454 		}
455 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
456 	}
457 errored:
458 	gw_free_header(header);
459 	if (error == NULL && kerr != KCGI_OK)
460 		error = gw_kcgi_error(kerr);
461 	return error;
462 }
463 
464 static const struct got_error *
465 gw_diff(struct gw_trans *gw_trans)
466 {
467 	const struct got_error *error = NULL;
468 	struct gw_header *header = NULL;
469 	char *age = NULL;
470 	enum kcgi_err kerr = KCGI_OK;
471 
472 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
473 	    NULL) == -1)
474 		return got_error_from_errno("pledge");
475 
476 	if ((header = gw_init_header()) == NULL)
477 		return got_error_from_errno("malloc");
478 
479 	error = gw_apply_unveil(gw_trans->gw_dir->path);
480 	if (error)
481 		goto done;
482 
483 	error = gw_get_header(gw_trans, header, 1);
484 	if (error)
485 		goto done;
486 
487 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
488 	    "diff_header_wrapper", KATTR__MAX);
489 	if (kerr != KCGI_OK)
490 		goto done;
491 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
492 	    "diff_header", KATTR__MAX);
493 	if (kerr != KCGI_OK)
494 		goto done;
495 	error = gw_gen_diff_header(gw_trans, header->parent_id,
496 	    header->commit_id);
497 	if (error)
498 		goto done;
499 	error = gw_gen_commit_header(gw_trans, header->commit_id,
500 	    header->refs_str);
501 	if (error)
502 		goto done;
503 	error = gw_gen_tree_header(gw_trans, header->tree_id);
504 	if (error)
505 		goto done;
506 	error = gw_gen_author_header(gw_trans, header->author);
507 	if (error)
508 		goto done;
509 	error = gw_gen_committer_header(gw_trans, header->author);
510 	if (error)
511 		goto done;
512 	error = gw_get_time_str(&age, header->committer_time,
513 	    TM_LONG);
514 	if (error)
515 		goto done;
516 	error = gw_gen_age_header(gw_trans, age ?age : "");
517 	if (error)
518 		goto done;
519 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
520 	if (error)
521 		goto done;
522 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
523 	if (kerr != KCGI_OK)
524 		goto done;
525 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
526 	    "dotted_line", KATTR__MAX);
527 	if (kerr != KCGI_OK)
528 		goto done;
529 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
530 	if (kerr != KCGI_OK)
531 		goto done;
532 
533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
534 	    "diff", KATTR__MAX);
535 	if (kerr != KCGI_OK)
536 		goto done;
537 	error = gw_output_diff(gw_trans, header);
538 	if (error)
539 		goto done;
540 
541 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
542 done:
543 	gw_free_header(header);
544 	free(age);
545 	if (error == NULL && kerr != KCGI_OK)
546 		error = gw_kcgi_error(kerr);
547 	return error;
548 }
549 
550 static const struct got_error *
551 gw_index(struct gw_trans *gw_trans)
552 {
553 	const struct got_error *error = NULL;
554 	struct gw_dir *gw_dir = NULL;
555 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
556 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
557 	char *href_tags = NULL;
558 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
559 	enum kcgi_err kerr = KCGI_OK;
560 
561 	if (pledge("stdio rpath proc exec sendfd unveil",
562 	    NULL) == -1) {
563 		error = got_error_from_errno("pledge");
564 		return error;
565 	}
566 
567 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
568 	if (error)
569 		return error;
570 
571 	error = gw_load_got_paths(gw_trans);
572 	if (error)
573 		return error;
574 
575 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
576 	    "index_header", KATTR__MAX);
577 	if (kerr != KCGI_OK)
578 		return gw_kcgi_error(kerr);
579 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
580 	    "index_header_project", KATTR__MAX);
581 	if (kerr != KCGI_OK)
582 		return gw_kcgi_error(kerr);
583 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
584 	if (kerr != KCGI_OK)
585 		return gw_kcgi_error(kerr);
586 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
587 	if (kerr != KCGI_OK)
588 		return gw_kcgi_error(kerr);
589 
590 	if (gw_trans->gw_conf->got_show_repo_description) {
591 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
592 		    "index_header_description", KATTR__MAX);
593 		if (kerr != KCGI_OK)
594 			return gw_kcgi_error(kerr);
595 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
596 		if (kerr != KCGI_OK)
597 			return gw_kcgi_error(kerr);
598 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
599 		if (kerr != KCGI_OK)
600 			return gw_kcgi_error(kerr);
601 	}
602 
603 	if (gw_trans->gw_conf->got_show_repo_owner) {
604 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
605 		    "index_header_owner", KATTR__MAX);
606 		if (kerr != KCGI_OK)
607 			return gw_kcgi_error(kerr);
608 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
609 		if (kerr != KCGI_OK)
610 			return gw_kcgi_error(kerr);
611 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
612 		if (kerr != KCGI_OK)
613 			return gw_kcgi_error(kerr);
614 	}
615 
616 	if (gw_trans->gw_conf->got_show_repo_age) {
617 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
618 		    "index_header_age", KATTR__MAX);
619 		if (kerr != KCGI_OK)
620 			return gw_kcgi_error(kerr);
621 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
622 		if (kerr != KCGI_OK)
623 			return gw_kcgi_error(kerr);
624 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
625 		if (kerr != KCGI_OK)
626 			return gw_kcgi_error(kerr);
627 	}
628 
629 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
630 	if (kerr != KCGI_OK)
631 		return gw_kcgi_error(kerr);
632 
633 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
634 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
635 		    "index_wrapper", KATTR__MAX);
636 		if (kerr != KCGI_OK)
637 			return gw_kcgi_error(kerr);
638 		kerr = khtml_puts(gw_trans->gw_html_req,
639 		    "No repositories found in ");
640 		if (kerr != KCGI_OK)
641 			return gw_kcgi_error(kerr);
642 		kerr = khtml_puts(gw_trans->gw_html_req,
643 		    gw_trans->gw_conf->got_repos_path);
644 		if (kerr != KCGI_OK)
645 			return gw_kcgi_error(kerr);
646 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
647 		if (kerr != KCGI_OK)
648 			return gw_kcgi_error(kerr);
649 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
650 		    "dotted_line", KATTR__MAX);
651 		if (kerr != KCGI_OK)
652 			return gw_kcgi_error(kerr);
653 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
654 		if (kerr != KCGI_OK)
655 			return gw_kcgi_error(kerr);
656 		return error;
657 	}
658 
659 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
660 		dir_c++;
661 
662 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
663 		if (gw_trans->page > 0 && (gw_trans->page *
664 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
665 			prev_disp++;
666 			continue;
667 		}
668 
669 		prev_disp++;
670 
671 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
672 		    "index_wrapper", KATTR__MAX);
673 		if (kerr != KCGI_OK)
674 			goto done;
675 
676 		if (asprintf(&href_summary, "?path=%s&action=summary",
677 		    gw_dir->name) == -1) {
678 			error = got_error_from_errno("asprintf");
679 			goto done;
680 		}
681 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
682 		    "index_project", KATTR__MAX);
683 		if (kerr != KCGI_OK)
684 			goto done;
685 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
686 		    href_summary, KATTR__MAX);
687 		if (kerr != KCGI_OK)
688 			goto done;
689 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
690 		if (kerr != KCGI_OK)
691 			goto done;
692 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
693 		if (kerr != KCGI_OK)
694 			goto done;
695 		if (gw_trans->gw_conf->got_show_repo_description) {
696 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
697 			    KATTR_ID, "index_project_description", KATTR__MAX);
698 			if (kerr != KCGI_OK)
699 				goto done;
700 			kerr = khtml_puts(gw_trans->gw_html_req,
701 			    gw_dir->description ? gw_dir->description : "");
702 			if (kerr != KCGI_OK)
703 				goto done;
704 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
705 			if (kerr != KCGI_OK)
706 				goto done;
707 		}
708 		if (gw_trans->gw_conf->got_show_repo_owner) {
709 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
710 			    KATTR_ID, "index_project_owner", KATTR__MAX);
711 			if (kerr != KCGI_OK)
712 				goto done;
713 			kerr = khtml_puts(gw_trans->gw_html_req,
714 			    gw_dir->owner ? gw_dir->owner : "");
715 			if (kerr != KCGI_OK)
716 				goto done;
717 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
718 			if (kerr != KCGI_OK)
719 				goto done;
720 		}
721 		if (gw_trans->gw_conf->got_show_repo_age) {
722 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
723 			    KATTR_ID, "index_project_age", KATTR__MAX);
724 			if (kerr != KCGI_OK)
725 				goto done;
726 			kerr = khtml_puts(gw_trans->gw_html_req,
727 			    gw_dir->age ? gw_dir->age : "");
728 			if (kerr != KCGI_OK)
729 				goto done;
730 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
731 			if (kerr != KCGI_OK)
732 				goto done;
733 		}
734 
735 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
736 		    "navs_wrapper", KATTR__MAX);
737 		if (kerr != KCGI_OK)
738 			goto done;
739 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
740 		    "navs", KATTR__MAX);
741 		if (kerr != KCGI_OK)
742 			goto done;
743 
744 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
745 		    href_summary, KATTR__MAX);
746 		if (kerr != KCGI_OK)
747 			goto done;
748 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
749 		if (kerr != KCGI_OK)
750 			goto done;
751 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
752 		if (kerr != KCGI_OK)
753 			goto done;
754 
755 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
756 		if (kerr != KCGI_OK)
757 			goto done;
758 
759 		if (asprintf(&href_briefs, "?path=%s&action=briefs",
760 		    gw_dir->name) == -1) {
761 			error = got_error_from_errno("asprintf");
762 			goto done;
763 		}
764 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
765 		    href_briefs, KATTR__MAX);
766 		if (kerr != KCGI_OK)
767 			goto done;
768 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
769 		if (kerr != KCGI_OK)
770 			goto done;
771 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
772 		if (kerr != KCGI_OK)
773 			error = gw_kcgi_error(kerr);
774 
775 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
776 		if (kerr != KCGI_OK)
777 			goto done;
778 
779 		if (asprintf(&href_commits, "?path=%s&action=commits",
780 		    gw_dir->name) == -1) {
781 			error = got_error_from_errno("asprintf");
782 			goto done;
783 		}
784 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
785 		    href_commits, KATTR__MAX);
786 		if (kerr != KCGI_OK)
787 			goto done;
788 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
789 		if (kerr != KCGI_OK)
790 			goto done;
791 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
792 		if (kerr != KCGI_OK)
793 			goto done;
794 
795 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
796 		if (kerr != KCGI_OK)
797 			goto done;
798 
799 		if (asprintf(&href_tags, "?path=%s&action=tags",
800 		    gw_dir->name) == -1) {
801 			error = got_error_from_errno("asprintf");
802 			goto done;
803 		}
804 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
805 		    href_tags, KATTR__MAX);
806 		if (kerr != KCGI_OK)
807 			goto done;
808 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
809 		if (kerr != KCGI_OK)
810 			goto done;
811 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
812 		if (kerr != KCGI_OK)
813 			goto done;
814 
815 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
816 		if (kerr != KCGI_OK)
817 			goto done;
818 
819 		if (asprintf(&href_tree, "?path=%s&action=tree",
820 		    gw_dir->name) == -1) {
821 			error = got_error_from_errno("asprintf");
822 			goto done;
823 		}
824 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
825 		    href_tree, KATTR__MAX);
826 		if (kerr != KCGI_OK)
827 			goto done;
828 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
829 		if (kerr != KCGI_OK)
830 			goto done;
831 
832 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
833 		if (kerr != KCGI_OK)
834 			goto done;
835 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
836 		    "dotted_line", KATTR__MAX);
837 		if (kerr != KCGI_OK)
838 			goto done;
839 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
840 		if (kerr != KCGI_OK)
841 			goto done;
842 
843 		free(href_summary);
844 		href_summary = NULL;
845 		free(href_briefs);
846 		href_briefs = NULL;
847 		free(href_commits);
848 		href_commits = NULL;
849 		free(href_tags);
850 		href_tags = NULL;
851 		free(href_tree);
852 		href_tree = NULL;
853 
854 		if (gw_trans->gw_conf->got_max_repos_display == 0)
855 			continue;
856 
857 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
858 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
859 		    (gw_trans->page > 0) &&
860 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
861 		    prev_disp == gw_trans->repos_total))) {
862 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
863 			    KATTR_ID, "np_wrapper", KATTR__MAX);
864 			if (kerr != KCGI_OK)
865 				goto done;
866 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
867 			    KATTR_ID, "nav_prev", KATTR__MAX);
868 			if (kerr != KCGI_OK)
869 				goto done;
870 		}
871 
872 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
873 		    (gw_trans->page > 0) &&
874 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
875 		    prev_disp == gw_trans->repos_total)) {
876 			if (asprintf(&href_prev, "?page=%d",
877 			    gw_trans->page - 1) == -1) {
878 				error = got_error_from_errno("asprintf");
879 				goto done;
880 			}
881 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
882 			    KATTR_HREF, href_prev, KATTR__MAX);
883 			if (kerr != KCGI_OK)
884 				goto done;
885 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
886 			if (kerr != KCGI_OK)
887 				goto done;
888 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
889 			if (kerr != KCGI_OK)
890 				goto done;
891 		}
892 
893 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
894 		if (kerr != KCGI_OK)
895 			return gw_kcgi_error(kerr);
896 
897 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
898 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
899 		    dir_c != (gw_trans->page + 1) *
900 		    gw_trans->gw_conf->got_max_repos_display) {
901 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
902 			    KATTR_ID, "nav_next", KATTR__MAX);
903 			if (kerr != KCGI_OK)
904 				goto done;
905 			if (asprintf(&href_next, "?page=%d",
906 			    gw_trans->page + 1) == -1) {
907 				error = got_error_from_errno("calloc");
908 				goto done;
909 			}
910 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
911 			    KATTR_HREF, href_next, KATTR__MAX);
912 			if (kerr != KCGI_OK)
913 				goto done;
914 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
915 			if (kerr != KCGI_OK)
916 				goto done;
917 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
918 			if (kerr != KCGI_OK)
919 				goto done;
920 			next_disp = 0;
921 			break;
922 		}
923 
924 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
925 		    (gw_trans->page > 0) &&
926 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
927 		    prev_disp == gw_trans->repos_total)) {
928 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
929 			if (kerr != KCGI_OK)
930 				goto done;
931 		}
932 		next_disp++;
933 	}
934 done:
935 	free(href_prev);
936 	free(href_next);
937 	free(href_summary);
938 	free(href_briefs);
939 	free(href_commits);
940 	free(href_tags);
941 	free(href_tree);
942 	if (error == NULL && kerr != KCGI_OK)
943 		error = gw_kcgi_error(kerr);
944 	return error;
945 }
946 
947 static const struct got_error *
948 gw_commits(struct gw_trans *gw_trans)
949 {
950 	const struct got_error *error = NULL;
951 	struct gw_header *header = NULL, *n_header = NULL;
952 	char *age = NULL, *href_diff = NULL, *href_blob = NULL;
953 	char *href_prev = NULL, *href_next = NULL;
954 	enum kcgi_err kerr = KCGI_OK;
955 
956 	if ((header = gw_init_header()) == NULL)
957 		return got_error_from_errno("malloc");
958 
959 	if (pledge("stdio rpath proc exec sendfd unveil",
960 	    NULL) == -1) {
961 		error = got_error_from_errno("pledge");
962 		goto done;
963 	}
964 
965 	error = gw_apply_unveil(gw_trans->gw_dir->path);
966 	if (error)
967 		goto done;
968 
969 	error = gw_get_header(gw_trans, header,
970 	    gw_trans->gw_conf->got_max_commits_display);
971 	if (error)
972 		goto done;
973 
974 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
975 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
976 		    "commits_line_wrapper", KATTR__MAX);
977 		if (kerr != KCGI_OK)
978 			goto done;
979 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
980 		    n_header->refs_str);
981 		if (error)
982 			goto done;
983 		error = gw_gen_author_header(gw_trans, n_header->author);
984 		if (error)
985 			goto done;
986 		error = gw_gen_committer_header(gw_trans, n_header->author);
987 		if (error)
988 			goto done;
989 		error = gw_get_time_str(&age, n_header->committer_time,
990 		    TM_LONG);
991 		if (error)
992 			goto done;
993 		error = gw_gen_age_header(gw_trans, age ?age : "");
994 		if (error)
995 			goto done;
996 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
997 		if (kerr != KCGI_OK)
998 			goto done;
999 
1000 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1001 		    "dotted_line", KATTR__MAX);
1002 		if (kerr != KCGI_OK)
1003 			goto done;
1004 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1005 		if (kerr != KCGI_OK)
1006 			goto done;
1007 
1008 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1009 		    "commit", KATTR__MAX);
1010 		if (kerr != KCGI_OK)
1011 			goto done;
1012 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1013 		if (kerr != KCGI_OK)
1014 			goto done;
1015 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1016 		if (kerr != KCGI_OK)
1017 			goto done;
1018 
1019 		if (asprintf(&href_diff, "?path=%s&action=diff&commit=%s",
1020 		    gw_trans->repo_name, n_header->commit_id) == -1) {
1021 			error = got_error_from_errno("asprintf");
1022 			goto done;
1023 		}
1024 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1025 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1026 		if (kerr != KCGI_OK)
1027 			goto done;
1028 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1029 		    KATTR_ID, "navs", KATTR__MAX);
1030 		if (kerr != KCGI_OK)
1031 			goto done;
1032 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1033 		    KATTR_HREF, href_diff, KATTR__MAX);
1034 		if (kerr != KCGI_OK)
1035 			goto done;
1036 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1037 		if (kerr != KCGI_OK)
1038 			goto done;
1039 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1040 		if (kerr != KCGI_OK)
1041 			goto done;
1042 
1043 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1044 		if (kerr != KCGI_OK)
1045 			goto done;
1046 
1047 		if (asprintf(&href_blob, "?path=%s&action=tree&commit=%s",
1048 		    gw_trans->repo_name, n_header->commit_id) == -1) {
1049 			error = got_error_from_errno("asprintf");
1050 			goto done;
1051 		}
1052 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1053 		    KATTR_HREF, href_blob, KATTR__MAX);
1054 		if (kerr != KCGI_OK)
1055 			goto done;
1056 		khtml_puts(gw_trans->gw_html_req, "tree");
1057 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1058 		if (kerr != KCGI_OK)
1059 			goto done;
1060 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1061 		if (kerr != KCGI_OK)
1062 			goto done;
1063 
1064 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1065 		    "solid_line", KATTR__MAX);
1066 		if (kerr != KCGI_OK)
1067 			goto done;
1068 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1069 		if (kerr != KCGI_OK)
1070 			goto done;
1071 
1072 		free(age);
1073 		age = NULL;
1074 	}
1075 
1076 	if (gw_trans->next_id || gw_trans->page > 0) {
1077 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1078 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1079 		if (kerr != KCGI_OK)
1080 			goto done;
1081 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1082 		    KATTR_ID, "nav_prev", KATTR__MAX);
1083 		if (kerr != KCGI_OK)
1084 			goto done;
1085 	}
1086 
1087 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1088 		if (asprintf(&href_prev,
1089 		    "?path=%s&page=%d&action=commits&commit=%s&prev=%s",
1090 		    gw_trans->repo_name, gw_trans->page - 1,
1091 		    gw_trans->prev_id ? gw_trans->prev_id : "",
1092 		    gw_trans->prev_prev_id ?
1093 		    gw_trans->prev_prev_id : "") == -1) {
1094 			error = got_error_from_errno("asprintf");
1095 			goto done;
1096 		}
1097 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1098 		    KATTR_HREF, href_prev, KATTR__MAX);
1099 		if (kerr != KCGI_OK)
1100 			goto done;
1101 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1102 		if (kerr != KCGI_OK)
1103 			goto done;
1104 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1105 		if (kerr != KCGI_OK)
1106 			goto done;
1107 	}
1108 
1109 	if (gw_trans->next_id || gw_trans->page > 0) {
1110 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1111 		if (kerr != KCGI_OK)
1112 			return gw_kcgi_error(kerr);
1113 	}
1114 
1115 	if (gw_trans->next_id) {
1116 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1117 		    KATTR_ID, "nav_next", KATTR__MAX);
1118 		if (kerr != KCGI_OK)
1119 			goto done;
1120 		if (asprintf(&href_next,
1121 		    "?path=%s&page=%d&action=commits" \
1122 		    "&commit=%s&prev=%s&prev_prev=%s",
1123 		    gw_trans->repo_name, gw_trans->page + 1,
1124 		    gw_trans->next_id,
1125 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1126 		    gw_trans->prev_id ?
1127 		    gw_trans->prev_id : "") == -1) {
1128 			error = got_error_from_errno("calloc");
1129 			goto done;
1130 		}
1131 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1132 		    KATTR_HREF, href_next, KATTR__MAX);
1133 		if (kerr != KCGI_OK)
1134 			goto done;
1135 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1136 		if (kerr != KCGI_OK)
1137 			goto done;
1138 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1139 		if (kerr != KCGI_OK)
1140 			goto done;
1141 	}
1142 
1143 	if (gw_trans->next_id || gw_trans->page > 0) {
1144 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1145 		if (kerr != KCGI_OK)
1146 			goto done;
1147 	}
1148 done:
1149 	gw_free_header(header);
1150 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1151 		gw_free_header(n_header);
1152 	free(age);
1153 	free(href_next);
1154 	free(href_prev);
1155 	free(href_diff);
1156 	free(href_blob);
1157 	if (error == NULL && kerr != KCGI_OK)
1158 		error = gw_kcgi_error(kerr);
1159 	return error;
1160 }
1161 
1162 static const struct got_error *
1163 gw_briefs(struct gw_trans *gw_trans)
1164 {
1165 	const struct got_error *error = NULL;
1166 	struct gw_header *header = NULL, *n_header = NULL;
1167 	char *age = NULL, *href_diff = NULL, *href_blob = NULL;
1168 	char *href_prev = NULL, *href_next = NULL;
1169 	char *newline, *smallerthan;
1170 	enum kcgi_err kerr = KCGI_OK;
1171 
1172 	if ((header = gw_init_header()) == NULL)
1173 		return got_error_from_errno("malloc");
1174 
1175 	if (pledge("stdio rpath proc exec sendfd unveil",
1176 	    NULL) == -1) {
1177 		error = got_error_from_errno("pledge");
1178 		goto done;
1179 	}
1180 
1181 	if (gw_trans->action != GW_SUMMARY) {
1182 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1183 		if (error)
1184 			goto done;
1185 	}
1186 
1187 	if (gw_trans->action == GW_SUMMARY)
1188 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1189 	else
1190 		error = gw_get_header(gw_trans, header,
1191 		    gw_trans->gw_conf->got_max_commits_display);
1192 	if (error)
1193 		goto done;
1194 
1195 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1196 		error = gw_get_time_str(&age, n_header->committer_time,
1197 		    TM_DIFF);
1198 		if (error)
1199 			goto done;
1200 
1201 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1202 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1203 		if (kerr != KCGI_OK)
1204 			goto done;
1205 
1206 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1207 		    KATTR_ID, "briefs_age", KATTR__MAX);
1208 		if (kerr != KCGI_OK)
1209 			goto done;
1210 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1211 		if (kerr != KCGI_OK)
1212 			goto done;
1213 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1214 		if (kerr != KCGI_OK)
1215 			goto done;
1216 
1217 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1218 		    KATTR_ID, "briefs_author", KATTR__MAX);
1219 		if (kerr != KCGI_OK)
1220 			goto done;
1221 		smallerthan = strchr(n_header->author, '<');
1222 		if (smallerthan)
1223 			*smallerthan = '\0';
1224 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1225 		if (kerr != KCGI_OK)
1226 			goto done;
1227 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1228 		if (kerr != KCGI_OK)
1229 			goto done;
1230 
1231 		if (asprintf(&href_diff, "?path=%s&action=diff&commit=%s",
1232 		    gw_trans->repo_name, n_header->commit_id) == -1) {
1233 			error = got_error_from_errno("asprintf");
1234 			goto done;
1235 		}
1236 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1237 		    KATTR_ID, "briefs_log", KATTR__MAX);
1238 		if (kerr != KCGI_OK)
1239 			goto done;
1240 		newline = strchr(n_header->commit_msg, '\n');
1241 		if (newline)
1242 			*newline = '\0';
1243 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1244 		    KATTR_HREF, href_diff, KATTR__MAX);
1245 		if (kerr != KCGI_OK)
1246 			goto done;
1247 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1248 		if (kerr != KCGI_OK)
1249 			goto done;
1250 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1251 		if (kerr != KCGI_OK)
1252 			goto done;
1253 
1254 		if (n_header->refs_str) {
1255 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1256 			if (kerr != KCGI_OK)
1257 				goto done;
1258 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1259 			    KATTR_ID, "refs_str", KATTR__MAX);
1260 			if (kerr != KCGI_OK)
1261 			goto done;
1262 			kerr = khtml_puts(gw_trans->gw_html_req, "(");
1263 			if (kerr != KCGI_OK)
1264 				goto done;
1265 			kerr = khtml_puts(gw_trans->gw_html_req,
1266 			    n_header->refs_str);
1267 			if (kerr != KCGI_OK)
1268 				goto done;
1269 			kerr = khtml_puts(gw_trans->gw_html_req, ")");
1270 			if (kerr != KCGI_OK)
1271 				goto done;
1272 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1273 			if (kerr != KCGI_OK)
1274 				goto done;
1275 		}
1276 
1277 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1278 		if (kerr != KCGI_OK)
1279 			goto done;
1280 
1281 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1282 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1283 		if (kerr != KCGI_OK)
1284 			goto done;
1285 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1286 		    KATTR_ID, "navs", KATTR__MAX);
1287 		if (kerr != KCGI_OK)
1288 			goto done;
1289 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1290 		    KATTR_HREF, href_diff, KATTR__MAX);
1291 		if (kerr != KCGI_OK)
1292 			goto done;
1293 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1294 		if (kerr != KCGI_OK)
1295 			goto done;
1296 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1297 		if (kerr != KCGI_OK)
1298 			goto done;
1299 
1300 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1301 		if (kerr != KCGI_OK)
1302 			goto done;
1303 
1304 		if (asprintf(&href_blob, "?path=%s&action=tree&commit=%s",
1305 		    gw_trans->repo_name, n_header->commit_id) == -1) {
1306 			error = got_error_from_errno("asprintf");
1307 			goto done;
1308 		}
1309 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1310 		    KATTR_HREF, href_blob, KATTR__MAX);
1311 		if (kerr != KCGI_OK)
1312 			goto done;
1313 		khtml_puts(gw_trans->gw_html_req, "tree");
1314 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1315 		if (kerr != KCGI_OK)
1316 			goto done;
1317 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1318 		if (kerr != KCGI_OK)
1319 			goto done;
1320 
1321 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1322 		    KATTR_ID, "dotted_line", KATTR__MAX);
1323 		if (kerr != KCGI_OK)
1324 			goto done;
1325 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1326 		if (kerr != KCGI_OK)
1327 			goto done;
1328 
1329 		free(age);
1330 		age = NULL;
1331 		free(href_diff);
1332 		href_diff = NULL;
1333 		free(href_blob);
1334 		href_blob = NULL;
1335 	}
1336 
1337 	if (gw_trans->next_id || gw_trans->page > 0) {
1338 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1339 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1340 		if (kerr != KCGI_OK)
1341 			goto done;
1342 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1343 		    KATTR_ID, "nav_prev", KATTR__MAX);
1344 		if (kerr != KCGI_OK)
1345 			goto done;
1346 	}
1347 
1348 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1349 		if (asprintf(&href_prev,
1350 		    "?path=%s&page=%d&action=briefs&commit=%s&prev=%s",
1351 		    gw_trans->repo_name, gw_trans->page - 1,
1352 		    gw_trans->prev_id ? gw_trans->prev_id : "",
1353 		    gw_trans->prev_prev_id ?
1354 		    gw_trans->prev_prev_id : "") == -1) {
1355 			error = got_error_from_errno("asprintf");
1356 			goto done;
1357 		}
1358 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1359 		    KATTR_HREF, href_prev, KATTR__MAX);
1360 		if (kerr != KCGI_OK)
1361 			goto done;
1362 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1363 		if (kerr != KCGI_OK)
1364 			goto done;
1365 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1366 		if (kerr != KCGI_OK)
1367 			goto done;
1368 	}
1369 
1370 	if (gw_trans->next_id || gw_trans->page > 0) {
1371 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1372 		if (kerr != KCGI_OK)
1373 			return gw_kcgi_error(kerr);
1374 	}
1375 
1376 	if (gw_trans->next_id) {
1377 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1378 		    KATTR_ID, "nav_next", KATTR__MAX);
1379 		if (kerr != KCGI_OK)
1380 			goto done;
1381 		if (asprintf(&href_next,
1382 		    "?path=%s&page=%d&action=briefs" \
1383 		    "&commit=%s&prev=%s&prev_prev=%s",
1384 		    gw_trans->repo_name, gw_trans->page + 1,
1385 		    gw_trans->next_id,
1386 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1387 		    gw_trans->prev_id ?
1388 		    gw_trans->prev_id : "") == -1) {
1389 			error = got_error_from_errno("calloc");
1390 			goto done;
1391 		}
1392 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1393 		    KATTR_HREF, href_next, KATTR__MAX);
1394 		if (kerr != KCGI_OK)
1395 			goto done;
1396 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1397 		if (kerr != KCGI_OK)
1398 			goto done;
1399 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1400 		if (kerr != KCGI_OK)
1401 			goto done;
1402 	}
1403 
1404 	if (gw_trans->next_id || gw_trans->page > 0) {
1405 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1406 		if (kerr != KCGI_OK)
1407 			goto done;
1408 	}
1409 done:
1410 	gw_free_header(header);
1411 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1412 		gw_free_header(n_header);
1413 	free(age);
1414 	free(href_next);
1415 	free(href_prev);
1416 	free(href_diff);
1417 	free(href_blob);
1418 	if (error == NULL && kerr != KCGI_OK)
1419 		error = gw_kcgi_error(kerr);
1420 	return error;
1421 }
1422 
1423 static const struct got_error *
1424 gw_summary(struct gw_trans *gw_trans)
1425 {
1426 	const struct got_error *error = NULL;
1427 	char *age = NULL;
1428 	enum kcgi_err kerr = KCGI_OK;
1429 
1430 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1431 		return got_error_from_errno("pledge");
1432 
1433 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1434 	if (error)
1435 		goto done;
1436 
1437 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1438 	    "summary_wrapper", KATTR__MAX);
1439 	if (kerr != KCGI_OK)
1440 		return gw_kcgi_error(kerr);
1441 
1442 	if (gw_trans->gw_conf->got_show_repo_description &&
1443 	    gw_trans->gw_dir->description != NULL &&
1444 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1445 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1446 		    KATTR_ID, "description_title", KATTR__MAX);
1447 		if (kerr != KCGI_OK)
1448 			goto done;
1449 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1450 		if (kerr != KCGI_OK)
1451 			goto done;
1452 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1453 		if (kerr != KCGI_OK)
1454 			goto done;
1455 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1456 		    KATTR_ID, "description", KATTR__MAX);
1457 		if (kerr != KCGI_OK)
1458 			goto done;
1459 		kerr = khtml_puts(gw_trans->gw_html_req,
1460 		    gw_trans->gw_dir->description);
1461 		if (kerr != KCGI_OK)
1462 			goto done;
1463 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1464 		if (kerr != KCGI_OK)
1465 			goto done;
1466 	}
1467 
1468 	if (gw_trans->gw_conf->got_show_repo_owner &&
1469 	    gw_trans->gw_dir->owner != NULL &&
1470 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1471 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1472 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1473 		if (kerr != KCGI_OK)
1474 			goto done;
1475 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1476 		if (kerr != KCGI_OK)
1477 			goto done;
1478 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1479 		if (kerr != KCGI_OK)
1480 			goto done;
1481 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1482 		    KATTR_ID, "repo_owner", KATTR__MAX);
1483 		if (kerr != KCGI_OK)
1484 			goto done;
1485 		kerr = khtml_puts(gw_trans->gw_html_req,
1486 		     gw_trans->gw_dir->owner);
1487 		if (kerr != KCGI_OK)
1488 			goto done;
1489 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1490 		if (kerr != KCGI_OK)
1491 			goto done;
1492 	}
1493 
1494 	if (gw_trans->gw_conf->got_show_repo_age) {
1495 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1496 		    NULL, TM_LONG);
1497 		if (error)
1498 			goto done;
1499 		if (age != NULL) {
1500 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1501 			    KATTR_ID, "last_change_title", KATTR__MAX);
1502 			if (kerr != KCGI_OK)
1503 				goto done;
1504 			kerr = khtml_puts(gw_trans->gw_html_req,
1505 			    "Last Change: ");
1506 			if (kerr != KCGI_OK)
1507 				goto done;
1508 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1509 			if (kerr != KCGI_OK)
1510 				goto done;
1511 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1512 			    KATTR_ID, "last_change", KATTR__MAX);
1513 			if (kerr != KCGI_OK)
1514 				goto done;
1515 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1516 			if (kerr != KCGI_OK)
1517 				goto done;
1518 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1519 			if (kerr != KCGI_OK)
1520 				goto done;
1521 		}
1522 	}
1523 
1524 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1525 	    gw_trans->gw_dir->url != NULL &&
1526 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1527 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1528 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1529 		if (kerr != KCGI_OK)
1530 			goto done;
1531 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1532 		if (kerr != KCGI_OK)
1533 			goto done;
1534 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1535 		if (kerr != KCGI_OK)
1536 			goto done;
1537 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1538 		    KATTR_ID, "cloneurl", KATTR__MAX);
1539 		if (kerr != KCGI_OK)
1540 			goto done;
1541 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1542 		if (kerr != KCGI_OK)
1543 			goto done;
1544 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1545 		if (kerr != KCGI_OK)
1546 			goto done;
1547 	}
1548 
1549 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1550 	if (kerr != KCGI_OK)
1551 		goto done;
1552 
1553 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1554 	    "briefs_title_wrapper", KATTR__MAX);
1555 	if (kerr != KCGI_OK)
1556 		goto done;
1557 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1558 	    "briefs_title", KATTR__MAX);
1559 	if (kerr != KCGI_OK)
1560 		goto done;
1561 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1562 	if (kerr != KCGI_OK)
1563 		goto done;
1564 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1565 	if (kerr != KCGI_OK)
1566 		goto done;
1567 	error = gw_briefs(gw_trans);
1568 	if (error)
1569 		goto done;
1570 
1571 	error = gw_tags(gw_trans);
1572 	if (error)
1573 		goto done;
1574 
1575 	error = gw_output_repo_heads(gw_trans);
1576 done:
1577 	free(age);
1578 	if (error == NULL && kerr != KCGI_OK)
1579 		error = gw_kcgi_error(kerr);
1580 	return error;
1581 }
1582 
1583 static const struct got_error *
1584 gw_tree(struct gw_trans *gw_trans)
1585 {
1586 	const struct got_error *error = NULL;
1587 	struct gw_header *header = NULL;
1588 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1589 	char *age = NULL;
1590 	enum kcgi_err kerr = KCGI_OK;
1591 
1592 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1593 		return got_error_from_errno("pledge");
1594 
1595 	if ((header = gw_init_header()) == NULL)
1596 		return got_error_from_errno("malloc");
1597 
1598 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1599 	if (error)
1600 		goto done;
1601 
1602 	error = gw_get_header(gw_trans, header, 1);
1603 	if (error)
1604 		goto done;
1605 
1606 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1607 	    "tree_header_wrapper", KATTR__MAX);
1608 	if (kerr != KCGI_OK)
1609 		goto done;
1610 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1611 	    "tree_header", KATTR__MAX);
1612 	if (kerr != KCGI_OK)
1613 		goto done;
1614 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1615 	if (error)
1616 		goto done;
1617 	error = gw_get_time_str(&age, header->committer_time,
1618 	    TM_LONG);
1619 	if (error)
1620 		goto done;
1621 	error = gw_gen_age_header(gw_trans, age ?age : "");
1622 	if (error)
1623 		goto done;
1624 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1625 	if (error)
1626 		goto done;
1627 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1628 	if (kerr != KCGI_OK)
1629 		goto done;
1630 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1631 	    "dotted_line", KATTR__MAX);
1632 	if (kerr != KCGI_OK)
1633 		goto done;
1634 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1635 	if (kerr != KCGI_OK)
1636 		goto done;
1637 
1638 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1639 	    "tree", KATTR__MAX);
1640 	if (kerr != KCGI_OK)
1641 		goto done;
1642 	error = gw_output_repo_tree(gw_trans);
1643 	if (error)
1644 		goto done;
1645 
1646 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1647 done:
1648 	gw_free_header(header);
1649 	free(tree_html_disp);
1650 	free(tree_html);
1651 	free(tree);
1652 	free(age);
1653 	if (error == NULL && kerr != KCGI_OK)
1654 		error = gw_kcgi_error(kerr);
1655 	return error;
1656 }
1657 
1658 static const struct got_error *
1659 gw_tags(struct gw_trans *gw_trans)
1660 {
1661 	const struct got_error *error = NULL;
1662 	struct gw_header *header = NULL;
1663 	char *href_next = NULL, *href_prev = NULL;
1664 	enum kcgi_err kerr = KCGI_OK;
1665 
1666 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1667 		return got_error_from_errno("pledge");
1668 
1669 	if ((header = gw_init_header()) == NULL)
1670 		return got_error_from_errno("malloc");
1671 
1672 	if (gw_trans->action != GW_SUMMARY) {
1673 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1674 		if (error)
1675 			goto done;
1676 	}
1677 
1678 	error = gw_get_header(gw_trans, header, 1);
1679 	if (error)
1680 		goto done;
1681 
1682 	if (gw_trans->action == GW_SUMMARY) {
1683 		gw_trans->next_id = NULL;
1684 		error = gw_output_repo_tags(gw_trans, header,
1685 		    D_MAXSLCOMMDISP, TAGBRIEF);
1686 		if (error)
1687 			goto done;
1688 	} else {
1689 		error = gw_output_repo_tags(gw_trans, header,
1690 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1691 		if (error)
1692 			goto done;
1693 	}
1694 
1695 	if (gw_trans->next_id || gw_trans->page > 0) {
1696 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1697 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1698 		if (kerr != KCGI_OK)
1699 			goto done;
1700 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1701 		    KATTR_ID, "nav_prev", KATTR__MAX);
1702 		if (kerr != KCGI_OK)
1703 			goto done;
1704 	}
1705 
1706 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1707 		if (asprintf(&href_prev,
1708 		    "?path=%s&page=%d&action=tags&commit=%s&prev=%s",
1709 		    gw_trans->repo_name, gw_trans->page - 1,
1710 		    gw_trans->prev_id ? gw_trans->prev_id : "",
1711 		    gw_trans->prev_prev_id ?
1712 		    gw_trans->prev_prev_id : "") == -1) {
1713 			error = got_error_from_errno("asprintf");
1714 			goto done;
1715 		}
1716 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1717 		    KATTR_HREF, href_prev, KATTR__MAX);
1718 		if (kerr != KCGI_OK)
1719 			goto done;
1720 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1721 		if (kerr != KCGI_OK)
1722 			goto done;
1723 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1724 		if (kerr != KCGI_OK)
1725 			goto done;
1726 	}
1727 
1728 	if (gw_trans->next_id || gw_trans->page > 0) {
1729 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1730 		if (kerr != KCGI_OK)
1731 			return gw_kcgi_error(kerr);
1732 	}
1733 
1734 	if (gw_trans->next_id) {
1735 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1736 		    KATTR_ID, "nav_next", KATTR__MAX);
1737 		if (kerr != KCGI_OK)
1738 			goto done;
1739 		if (asprintf(&href_next,
1740 		    "?path=%s&page=%d&action=tags" \
1741 		    "&commit=%s&prev=%s&prev_prev=%s",
1742 		    gw_trans->repo_name, gw_trans->page + 1,
1743 		    gw_trans->next_id,
1744 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1745 		    gw_trans->prev_id ?
1746 		    gw_trans->prev_id : "") == -1) {
1747 			error = got_error_from_errno("calloc");
1748 			goto done;
1749 		}
1750 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1751 		    KATTR_HREF, href_next, KATTR__MAX);
1752 		if (kerr != KCGI_OK)
1753 			goto done;
1754 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1755 		if (kerr != KCGI_OK)
1756 			goto done;
1757 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1758 		if (kerr != KCGI_OK)
1759 			goto done;
1760 	}
1761 
1762 	if (gw_trans->next_id || gw_trans->page > 0) {
1763 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1764 		if (kerr != KCGI_OK)
1765 			goto done;
1766 	}
1767 done:
1768 	gw_free_header(header);
1769 	free(href_next);
1770 	free(href_prev);
1771 	if (error == NULL && kerr != KCGI_OK)
1772 		error = gw_kcgi_error(kerr);
1773 	return error;
1774 }
1775 
1776 static const struct got_error *
1777 gw_tag(struct gw_trans *gw_trans)
1778 {
1779 	const struct got_error *error = NULL;
1780 	struct gw_header *header = NULL;
1781 	enum kcgi_err kerr = KCGI_OK;
1782 
1783 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1784 		return got_error_from_errno("pledge");
1785 
1786 	if ((header = gw_init_header()) == NULL)
1787 		return got_error_from_errno("malloc");
1788 
1789 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1790 	if (error)
1791 		goto done;
1792 
1793 	if (gw_trans->commit_id == NULL) {
1794 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1795 		    "commit required in querystring");
1796 		goto done;
1797 	}
1798 
1799 	error = gw_get_header(gw_trans, header, 1);
1800 	if (error)
1801 		goto done;
1802 
1803 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1804 	    "tag_header_wrapper", KATTR__MAX);
1805 	if (kerr != KCGI_OK)
1806 		goto done;
1807 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1808 	    "tag_header", KATTR__MAX);
1809 	if (kerr != KCGI_OK)
1810 		goto done;
1811 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1812 	    header->refs_str);
1813 	if (error)
1814 		goto done;
1815 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1816 	if (error)
1817 		goto done;
1818 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1819 	if (kerr != KCGI_OK)
1820 		goto done;
1821 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1822 	    "dotted_line", KATTR__MAX);
1823 	if (kerr != KCGI_OK)
1824 		goto done;
1825 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1826 	if (kerr != KCGI_OK)
1827 		goto done;
1828 
1829 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1830 	    "tree", KATTR__MAX);
1831 	if (kerr != KCGI_OK)
1832 		goto done;
1833 
1834 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1835 	if (error)
1836 		goto done;
1837 
1838 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1839 done:
1840 	gw_free_header(header);
1841 	if (error == NULL && kerr != KCGI_OK)
1842 		error = gw_kcgi_error(kerr);
1843 	return error;
1844 }
1845 
1846 static const struct got_error *
1847 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1848 {
1849 	const struct got_error *error = NULL;
1850 	DIR *dt;
1851 	char *dir_test;
1852 	int opened = 0;
1853 
1854 	if (asprintf(&dir_test, "%s/%s/%s",
1855 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1856 	    GOTWEB_GIT_DIR) == -1)
1857 		return got_error_from_errno("asprintf");
1858 
1859 	dt = opendir(dir_test);
1860 	if (dt == NULL) {
1861 		free(dir_test);
1862 	} else {
1863 		gw_dir->path = strdup(dir_test);
1864 		if (gw_dir->path == NULL) {
1865 			opened = 1;
1866 			error = got_error_from_errno("strdup");
1867 			goto errored;
1868 		}
1869 		opened = 1;
1870 		goto done;
1871 	}
1872 
1873 	if (asprintf(&dir_test, "%s/%s/%s",
1874 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1875 	    GOTWEB_GOT_DIR) == -1) {
1876 		dir_test = NULL;
1877 		error = got_error_from_errno("asprintf");
1878 		goto errored;
1879 	}
1880 
1881 	dt = opendir(dir_test);
1882 	if (dt == NULL)
1883 		free(dir_test);
1884 	else {
1885 		opened = 1;
1886 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1887 		goto errored;
1888 	}
1889 
1890 	if (asprintf(&dir_test, "%s/%s",
1891 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1892 		error = got_error_from_errno("asprintf");
1893 		dir_test = NULL;
1894 		goto errored;
1895 	}
1896 
1897 	gw_dir->path = strdup(dir_test);
1898 	if (gw_dir->path == NULL) {
1899 		opened = 1;
1900 		error = got_error_from_errno("strdup");
1901 		goto errored;
1902 	}
1903 
1904 	dt = opendir(dir_test);
1905 	if (dt == NULL) {
1906 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1907 		goto errored;
1908 	} else
1909 		opened = 1;
1910 done:
1911 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1912 	    gw_dir->path);
1913 	if (error)
1914 		goto errored;
1915 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1916 	if (error)
1917 		goto errored;
1918 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1919 	    NULL, TM_DIFF);
1920 	if (error)
1921 		goto errored;
1922 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1923 errored:
1924 	free(dir_test);
1925 	if (opened)
1926 		if (dt && closedir(dt) == -1 && error == NULL)
1927 			error = got_error_from_errno("closedir");
1928 	return error;
1929 }
1930 
1931 static const struct got_error *
1932 gw_load_got_paths(struct gw_trans *gw_trans)
1933 {
1934 	const struct got_error *error = NULL;
1935 	DIR *d;
1936 	struct dirent **sd_dent;
1937 	struct gw_dir *gw_dir;
1938 	struct stat st;
1939 	unsigned int d_cnt, d_i;
1940 
1941 	d = opendir(gw_trans->gw_conf->got_repos_path);
1942 	if (d == NULL) {
1943 		error = got_error_from_errno2("opendir",
1944 		    gw_trans->gw_conf->got_repos_path);
1945 		return error;
1946 	}
1947 
1948 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1949 	    alphasort);
1950 	if (d_cnt == -1) {
1951 		error = got_error_from_errno2("scandir",
1952 		    gw_trans->gw_conf->got_repos_path);
1953 		goto done;
1954 	}
1955 
1956 	for (d_i = 0; d_i < d_cnt; d_i++) {
1957 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1958 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1959 			break; /* account for parent and self */
1960 
1961 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1962 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1963 			continue;
1964 
1965 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1966 		if (error)
1967 			goto done;
1968 
1969 		error = gw_load_got_path(gw_trans, gw_dir);
1970 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1971 			error = NULL;
1972 			continue;
1973 		}
1974 		else if (error)
1975 			goto done;
1976 
1977 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
1978 		    !got_path_dir_is_empty(gw_dir->path)) {
1979 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
1980 			    entry);
1981 			gw_trans->repos_total++;
1982 		}
1983 	}
1984 done:
1985 	if (d && closedir(d) == -1 && error == NULL)
1986 		error = got_error_from_errno("closedir");
1987 	return error;
1988 }
1989 
1990 static const struct got_error *
1991 gw_parse_querystring(struct gw_trans *gw_trans)
1992 {
1993 	const struct got_error *error = NULL;
1994 	struct kpair *p;
1995 	struct gw_query_action *action = NULL;
1996 	unsigned int i;
1997 
1998 	if (gw_trans->gw_req->fieldnmap[0]) {
1999 		return got_error(GOT_ERR_QUERYSTRING);
2000 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2001 		/* define gw_trans->repo_path */
2002 		gw_trans->repo_name = p->parsed.s;
2003 
2004 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2005 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2006 			return got_error_from_errno("asprintf");
2007 
2008 		/* get action and set function */
2009 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2010 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2011 				action = &gw_query_funcs[i];
2012 				if (action->func_name == NULL)
2013 					continue;
2014 				if (strcmp(action->func_name,
2015 				    p->parsed.s) == 0) {
2016 					gw_trans->action = i;
2017 					break;
2018 				}
2019 			}
2020 		}
2021 		if (gw_trans->action == -1) {
2022 			gw_trans->action = GW_ERR;
2023 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2024 			    p != NULL ? "bad action in querystring" :
2025 			    "no action in querystring");
2026 			return error;
2027 		}
2028 
2029  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2030 			if (asprintf(&gw_trans->commit_id, "%s",
2031 			    p->parsed.s) == -1)
2032 				return got_error_from_errno("asprintf");
2033 		}
2034 
2035 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2036 			gw_trans->repo_file = p->parsed.s;
2037 
2038 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2039 			if (asprintf(&gw_trans->repo_folder, "%s",
2040 			    p->parsed.s) == -1)
2041 				return got_error_from_errno("asprintf");
2042 		}
2043 
2044 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2045 			if (asprintf(&gw_trans->prev_id, "%s",
2046 			    p->parsed.s) == -1)
2047 				return got_error_from_errno("asprintf");
2048 		}
2049 
2050 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_PREV_ID])) {
2051 			if (asprintf(&gw_trans->prev_prev_id, "%s",
2052 			    p->parsed.s) == -1)
2053 				return got_error_from_errno("asprintf");
2054 		}
2055 
2056 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2057 			gw_trans->headref = p->parsed.s;
2058 
2059 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2060 		if (error)
2061 			return error;
2062 
2063 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2064 	} else
2065 		gw_trans->action = GW_INDEX;
2066 
2067 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2068 		gw_trans->page = p->parsed.i;
2069 
2070 	return error;
2071 }
2072 
2073 static const struct got_error *
2074 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2075 {
2076 	const struct got_error *error;
2077 
2078 	*gw_dir = malloc(sizeof(**gw_dir));
2079 	if (*gw_dir == NULL)
2080 		return got_error_from_errno("malloc");
2081 
2082 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2083 		error = got_error_from_errno("asprintf");
2084 		free(*gw_dir);
2085 		*gw_dir = NULL;
2086 		return NULL;
2087 	}
2088 
2089 	return NULL;
2090 }
2091 
2092 static const struct got_error *
2093 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2094 {
2095 	enum kcgi_err kerr = KCGI_OK;
2096 
2097 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2098 	if (kerr != KCGI_OK)
2099 		return gw_kcgi_error(kerr);
2100 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2101 	    khttps[code]);
2102 	if (kerr != KCGI_OK)
2103 		return gw_kcgi_error(kerr);
2104 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2105 	    kmimetypes[mime]);
2106 	if (kerr != KCGI_OK)
2107 		return gw_kcgi_error(kerr);
2108 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2109 	    "nosniff");
2110 	if (kerr != KCGI_OK)
2111 		return gw_kcgi_error(kerr);
2112 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2113 	if (kerr != KCGI_OK)
2114 		return gw_kcgi_error(kerr);
2115 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2116 	    "1; mode=block");
2117 	if (kerr != KCGI_OK)
2118 		return gw_kcgi_error(kerr);
2119 
2120 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2121 		kerr = khttp_head(gw_trans->gw_req,
2122 		    kresps[KRESP_CONTENT_DISPOSITION],
2123 		    "attachment; filename=%s", gw_trans->repo_file);
2124 		if (kerr != KCGI_OK)
2125 			return gw_kcgi_error(kerr);
2126 	}
2127 
2128 	kerr = khttp_body(gw_trans->gw_req);
2129 	return gw_kcgi_error(kerr);
2130 }
2131 
2132 static const struct got_error *
2133 gw_display_index(struct gw_trans *gw_trans)
2134 {
2135 	const struct got_error *error;
2136 	enum kcgi_err kerr = KCGI_OK;
2137 
2138 	/* catch early querystring errors */
2139 	if (gw_trans->error)
2140 		gw_trans->action = GW_ERR;
2141 
2142 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2143 	if (error)
2144 		return error;
2145 
2146 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2147 	if (kerr != KCGI_OK)
2148 		return gw_kcgi_error(kerr);
2149 
2150 	if (gw_trans->action != GW_BLOB) {
2151 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2152 		    gw_query_funcs[gw_trans->action].template);
2153 		if (kerr != KCGI_OK) {
2154 			khtml_close(gw_trans->gw_html_req);
2155 			return gw_kcgi_error(kerr);
2156 		}
2157 	}
2158 
2159 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2160 }
2161 
2162 static const struct got_error *
2163 gw_error(struct gw_trans *gw_trans)
2164 {
2165 	enum kcgi_err kerr = KCGI_OK;
2166 
2167 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2168 
2169 	return gw_kcgi_error(kerr);
2170 }
2171 
2172 static int
2173 gw_template(size_t key, void *arg)
2174 {
2175 	const struct got_error *error = NULL;
2176 	enum kcgi_err kerr = KCGI_OK;
2177 	struct gw_trans *gw_trans = arg;
2178 	char *img_src = NULL;
2179 
2180 	switch (key) {
2181 	case (TEMPL_HEAD):
2182 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2183 		    KATTR_NAME, "viewport",
2184 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2185 		    KATTR__MAX);
2186 		if (kerr != KCGI_OK)
2187 			return 0;
2188 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2189 		if (kerr != KCGI_OK)
2190 			return 0;
2191 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2192 		    KATTR_CHARSET, "utf-8",
2193 		    KATTR__MAX);
2194 		if (kerr != KCGI_OK)
2195 			return 0;
2196 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2197 		if (kerr != KCGI_OK)
2198 			return 0;
2199 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2200 		    KATTR_NAME, "msapplication-TileColor",
2201 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2202 		if (kerr != KCGI_OK)
2203 			return 0;
2204 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2205 		if (kerr != KCGI_OK)
2206 			return 0;
2207 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2208 		    KATTR_NAME, "theme-color",
2209 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2210 		if (kerr != KCGI_OK)
2211 			return 0;
2212 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2213 		if (kerr != KCGI_OK)
2214 			return 0;
2215 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2216 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2217 		    KATTR_HREF, "/apple-touch-icon.png", KATTR__MAX);
2218 		if (kerr != KCGI_OK)
2219 			return 0;
2220 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2221 		if (kerr != KCGI_OK)
2222 			return 0;
2223 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2224 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2225 		    "32x32", KATTR_HREF, "/favicon-32x32.png", KATTR__MAX);
2226 		if (kerr != KCGI_OK)
2227 			return 0;
2228 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2229 		if (kerr != KCGI_OK)
2230 			return 0;
2231 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2232 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2233 		    "16x16", KATTR_HREF, "/favicon-16x16.png", KATTR__MAX);
2234 		if (kerr != KCGI_OK)
2235 			return 0;
2236 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2237 		if (kerr != KCGI_OK)
2238 			return 0;
2239 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2240 		    KATTR_REL, "manifest", KATTR_HREF, "/site.webmanifest",
2241 		    KATTR__MAX);
2242 		if (kerr != KCGI_OK)
2243 			return 0;
2244 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2245 		if (kerr != KCGI_OK)
2246 			return 0;
2247 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2248 		    KATTR_REL, "mask-icon", KATTR_HREF,
2249 		    "/safari-pinned-tab.svg", KATTR__MAX);
2250 		if (kerr != KCGI_OK)
2251 			return 0;
2252 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2253 		if (kerr != KCGI_OK)
2254 			return 0;
2255 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2256 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2257 		    KATTR_HREF, "/gotweb.css", KATTR__MAX);
2258 		if (kerr != KCGI_OK)
2259 			return 0;
2260 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2261 		if (kerr != KCGI_OK)
2262 			return 0;
2263 		break;
2264 	case(TEMPL_HEADER):
2265 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2266 		    KATTR_ID, "got_link", KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2270 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2271 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2272 		if (kerr != KCGI_OK)
2273 			return 0;
2274 		if (asprintf(&img_src, "/%s",
2275 		    gw_trans->gw_conf->got_logo) == -1)
2276 			return 0;
2277 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2278 		    KATTR_SRC, img_src, KATTR__MAX);
2279 		if (kerr != KCGI_OK) {
2280 			free(img_src);
2281 			return 0;
2282 		}
2283 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2284 		if (kerr != KCGI_OK) {
2285 			free(img_src);
2286 			return 0;
2287 		}
2288 		break;
2289 	case (TEMPL_SITEPATH):
2290 		error = gw_output_site_link(gw_trans);
2291 		if (error)
2292 			return 0;
2293 		break;
2294 	case(TEMPL_TITLE):
2295 		if (gw_trans->gw_conf->got_site_name != NULL) {
2296 			kerr = khtml_puts(gw_trans->gw_html_req,
2297 			    gw_trans->gw_conf->got_site_name);
2298 			if (kerr != KCGI_OK)
2299 				return 0;
2300 		}
2301 		break;
2302 	case (TEMPL_SEARCH):
2303 		break;
2304 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2305 		    "search", KATTR__MAX);
2306 		if (kerr != KCGI_OK)
2307 			return 0;
2308 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2309 			    KATTR_METHOD, "POST", KATTR__MAX);
2310 		if (kerr != KCGI_OK)
2311 			return 0;
2312 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2313 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2314 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2315 		if (kerr != KCGI_OK)
2316 			return 0;
2317 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2318 		    KATTR__MAX);
2319 		if (kerr != KCGI_OK)
2320 			return 0;
2321 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2322 		if (kerr != KCGI_OK)
2323 			return 0;
2324 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2325 		if (kerr != KCGI_OK)
2326 			return 0;
2327 		break;
2328 	case(TEMPL_SITEOWNER):
2329 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2330 		    gw_trans->gw_conf->got_show_site_owner) {
2331 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2332 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2333 			if (kerr != KCGI_OK)
2334 				return 0;
2335 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2336 			    KATTR_ID, "site_owner", KATTR__MAX);
2337 			if (kerr != KCGI_OK)
2338 				return 0;
2339 			kerr = khtml_puts(gw_trans->gw_html_req,
2340 			    gw_trans->gw_conf->got_site_owner);
2341 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2342 			if (kerr != KCGI_OK)
2343 				return 0;
2344 		}
2345 		break;
2346 	case(TEMPL_CONTENT):
2347 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2348 		if (error) {
2349 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2350 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2351 			if (kerr != KCGI_OK)
2352 				return 0;
2353 			kerr = khttp_puts(gw_trans->gw_req, "Error: ");
2354 			if (kerr != KCGI_OK)
2355 				return 0;
2356 			kerr = khttp_puts(gw_trans->gw_req, error->msg);
2357 			if (kerr != KCGI_OK)
2358 				return 0;
2359 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2360 			if (kerr != KCGI_OK)
2361 				return 0;
2362 		}
2363 		break;
2364 	default:
2365 		return 0;
2366 	}
2367 	return 1;
2368 }
2369 
2370 static const struct got_error *
2371 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2372 {
2373 	const struct got_error *error = NULL;
2374 	enum kcgi_err kerr = KCGI_OK;
2375 
2376 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2377 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2378 	if (kerr != KCGI_OK)
2379 		goto done;
2380 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2381 	if (kerr != KCGI_OK)
2382 		goto done;
2383 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2384 	if (kerr != KCGI_OK)
2385 		goto done;
2386 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2387 	    KATTR_ID, "header_commit", KATTR__MAX);
2388 	if (kerr != KCGI_OK)
2389 		goto done;
2390 	kerr = khtml_puts(gw_trans->gw_html_req, str1);
2391 	if (kerr != KCGI_OK)
2392 		goto done;
2393 	kerr = khtml_puts(gw_trans->gw_html_req, " ");
2394 	if (kerr != KCGI_OK)
2395 		goto done;
2396 	if (str2 != NULL) {
2397 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2398 		    KATTR_ID, "refs_str", KATTR__MAX);
2399 		if (kerr != KCGI_OK)
2400 			goto done;
2401 		kerr = khtml_puts(gw_trans->gw_html_req, "(");
2402 		if (kerr != KCGI_OK)
2403 			goto done;
2404 		kerr = khtml_puts(gw_trans->gw_html_req, str2);
2405 		if (kerr != KCGI_OK)
2406 			goto done;
2407 		kerr = khtml_puts(gw_trans->gw_html_req, ")");
2408 		if (kerr != KCGI_OK)
2409 			goto done;
2410 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2411 		if (kerr != KCGI_OK)
2412 			goto done;
2413 	}
2414 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2415 done:
2416 	if (error == NULL && kerr != KCGI_OK)
2417 		error = gw_kcgi_error(kerr);
2418 	return error;
2419 }
2420 
2421 static const struct got_error *
2422 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2423 {
2424 	const struct got_error *error = NULL;
2425 	enum kcgi_err kerr = KCGI_OK;
2426 
2427 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2428 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2429 	if (kerr != KCGI_OK)
2430 		goto done;
2431 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2432 	if (kerr != KCGI_OK)
2433 		goto done;
2434 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2435 	if (kerr != KCGI_OK)
2436 		goto done;
2437 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2438 	    KATTR_ID, "header_diff", KATTR__MAX);
2439 	if (kerr != KCGI_OK)
2440 		goto done;
2441 	if (str1 != NULL) {
2442 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2443 		if (kerr != KCGI_OK)
2444 			goto done;
2445 	}
2446 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2447 	if (kerr != KCGI_OK)
2448 		goto done;
2449 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2450 	if (kerr != KCGI_OK)
2451 		goto done;
2452 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2453 done:
2454 	if (error == NULL && kerr != KCGI_OK)
2455 		error = gw_kcgi_error(kerr);
2456 	return error;
2457 }
2458 
2459 static const struct got_error *
2460 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2461 {
2462 	const struct got_error *error = NULL;
2463 	enum kcgi_err kerr = KCGI_OK;
2464 
2465 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2466 	    KATTR_ID, "header_age_title", KATTR__MAX);
2467 	if (kerr != KCGI_OK)
2468 		goto done;
2469 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2470 	if (kerr != KCGI_OK)
2471 		goto done;
2472 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2473 	if (kerr != KCGI_OK)
2474 		goto done;
2475 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2476 	    KATTR_ID, "header_age", KATTR__MAX);
2477 	if (kerr != KCGI_OK)
2478 		goto done;
2479 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2480 	if (kerr != KCGI_OK)
2481 		goto done;
2482 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2483 done:
2484 	if (error == NULL && kerr != KCGI_OK)
2485 		error = gw_kcgi_error(kerr);
2486 	return error;
2487 }
2488 
2489 static const struct got_error *
2490 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2491 {
2492 	const struct got_error *error = NULL;
2493 	enum kcgi_err kerr = KCGI_OK;
2494 
2495 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2496 	    KATTR_ID, "header_author_title", KATTR__MAX);
2497 	if (kerr != KCGI_OK)
2498 		goto done;
2499 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2500 	if (kerr != KCGI_OK)
2501 		goto done;
2502 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2503 	if (kerr != KCGI_OK)
2504 		goto done;
2505 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2506 	    KATTR_ID, "header_author", KATTR__MAX);
2507 	if (kerr != KCGI_OK)
2508 		goto done;
2509 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2510 	if (kerr != KCGI_OK)
2511 		goto done;
2512 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2513 done:
2514 	if (error == NULL && kerr != KCGI_OK)
2515 		error = gw_kcgi_error(kerr);
2516 	return error;
2517 }
2518 
2519 static const struct got_error *
2520 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2521 {
2522 	const struct got_error *error = NULL;
2523 	enum kcgi_err kerr = KCGI_OK;
2524 
2525 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2526 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2527 	if (kerr != KCGI_OK)
2528 		goto done;
2529 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2530 	if (kerr != KCGI_OK)
2531 		goto done;
2532 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2533 	if (kerr != KCGI_OK)
2534 		goto done;
2535 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2536 	    KATTR_ID, "header_committer", KATTR__MAX);
2537 	if (kerr != KCGI_OK)
2538 		goto done;
2539 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2540 	if (kerr != KCGI_OK)
2541 		goto done;
2542 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2543 done:
2544 	if (error == NULL && kerr != KCGI_OK)
2545 		error = gw_kcgi_error(kerr);
2546 	return error;
2547 }
2548 
2549 static const struct got_error *
2550 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2551 {
2552 	const struct got_error *error = NULL;
2553 	enum kcgi_err kerr = KCGI_OK;
2554 
2555 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2556 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2557 	if (kerr != KCGI_OK)
2558 		goto done;
2559 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2560 	if (kerr != KCGI_OK)
2561 		goto done;
2562 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2563 	if (kerr != KCGI_OK)
2564 		goto done;
2565 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2566 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2567 	if (kerr != KCGI_OK)
2568 		goto done;
2569 	kerr = khttp_puts(gw_trans->gw_req, str);
2570 	if (kerr != KCGI_OK)
2571 		goto done;
2572 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2573 done:
2574 	if (error == NULL && kerr != KCGI_OK)
2575 		error = gw_kcgi_error(kerr);
2576 	return error;
2577 }
2578 
2579 static const struct got_error *
2580 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2581 {
2582 	const struct got_error *error = NULL;
2583 	enum kcgi_err kerr = KCGI_OK;
2584 
2585 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2586 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2587 	if (kerr != KCGI_OK)
2588 		goto done;
2589 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2590 	if (kerr != KCGI_OK)
2591 		goto done;
2592 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2593 	if (kerr != KCGI_OK)
2594 		goto done;
2595 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2596 	    KATTR_ID, "header_tree", KATTR__MAX);
2597 	if (kerr != KCGI_OK)
2598 		goto done;
2599 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2600 	if (kerr != KCGI_OK)
2601 		goto done;
2602 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2603 done:
2604 	if (error == NULL && kerr != KCGI_OK)
2605 		error = gw_kcgi_error(kerr);
2606 	return error;
2607 }
2608 
2609 static const struct got_error *
2610 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2611     char *dir)
2612 {
2613 	const struct got_error *error = NULL;
2614 	FILE *f = NULL;
2615 	char *d_file = NULL;
2616 	unsigned int len;
2617 	size_t n;
2618 
2619 	*description = NULL;
2620 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2621 		return NULL;
2622 
2623 	if (asprintf(&d_file, "%s/description", dir) == -1)
2624 		return got_error_from_errno("asprintf");
2625 
2626 	f = fopen(d_file, "r");
2627 	if (f == NULL) {
2628 		if (errno == ENOENT || errno == EACCES)
2629 			return NULL;
2630 		error = got_error_from_errno2("fopen", d_file);
2631 		goto done;
2632 	}
2633 
2634 	if (fseek(f, 0, SEEK_END) == -1) {
2635 		error = got_ferror(f, GOT_ERR_IO);
2636 		goto done;
2637 	}
2638 	len = ftell(f);
2639 	if (len == -1) {
2640 		error = got_ferror(f, GOT_ERR_IO);
2641 		goto done;
2642 	}
2643 	if (fseek(f, 0, SEEK_SET) == -1) {
2644 		error = got_ferror(f, GOT_ERR_IO);
2645 		goto done;
2646 	}
2647 	*description = calloc(len + 1, sizeof(**description));
2648 	if (*description == NULL) {
2649 		error = got_error_from_errno("calloc");
2650 		goto done;
2651 	}
2652 
2653 	n = fread(*description, 1, len, f);
2654 	if (n == 0 && ferror(f))
2655 		error = got_ferror(f, GOT_ERR_IO);
2656 done:
2657 	if (f != NULL && fclose(f) == -1 && error == NULL)
2658 		error = got_error_from_errno("fclose");
2659 	free(d_file);
2660 	return error;
2661 }
2662 
2663 static const struct got_error *
2664 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2665 {
2666 	struct tm tm;
2667 	time_t diff_time;
2668 	char *years = "years ago", *months = "months ago";
2669 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2670 	char *minutes = "minutes ago", *seconds = "seconds ago";
2671 	char *now = "right now";
2672 	char *s;
2673 	char datebuf[29];
2674 
2675 	*repo_age = NULL;
2676 
2677 	switch (ref_tm) {
2678 	case TM_DIFF:
2679 		diff_time = time(NULL) - committer_time;
2680 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2681 			if (asprintf(repo_age, "%lld %s",
2682 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2683 				return got_error_from_errno("asprintf");
2684 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2685 			if (asprintf(repo_age, "%lld %s",
2686 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2687 			    months) == -1)
2688 				return got_error_from_errno("asprintf");
2689 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2690 			if (asprintf(repo_age, "%lld %s",
2691 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2692 				return got_error_from_errno("asprintf");
2693 		} else if (diff_time > 60 * 60 * 24 * 2) {
2694 			if (asprintf(repo_age, "%lld %s",
2695 			    (diff_time / 60 / 60 / 24), days) == -1)
2696 				return got_error_from_errno("asprintf");
2697 		} else if (diff_time > 60 * 60 * 2) {
2698 			if (asprintf(repo_age, "%lld %s",
2699 			    (diff_time / 60 / 60), hours) == -1)
2700 				return got_error_from_errno("asprintf");
2701 		} else if (diff_time > 60 * 2) {
2702 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2703 			    minutes) == -1)
2704 				return got_error_from_errno("asprintf");
2705 		} else if (diff_time > 2) {
2706 			if (asprintf(repo_age, "%lld %s", diff_time,
2707 			    seconds) == -1)
2708 				return got_error_from_errno("asprintf");
2709 		} else {
2710 			if (asprintf(repo_age, "%s", now) == -1)
2711 				return got_error_from_errno("asprintf");
2712 		}
2713 		break;
2714 	case TM_LONG:
2715 		if (gmtime_r(&committer_time, &tm) == NULL)
2716 			return got_error_from_errno("gmtime_r");
2717 
2718 		s = asctime_r(&tm, datebuf);
2719 		if (s == NULL)
2720 			return got_error_from_errno("asctime_r");
2721 
2722 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2723 			return got_error_from_errno("asprintf");
2724 		break;
2725 	}
2726 	return NULL;
2727 }
2728 
2729 static const struct got_error *
2730 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2731     const char *refname, int ref_tm)
2732 {
2733 	const struct got_error *error = NULL;
2734 	struct got_repository *repo = NULL;
2735 	struct got_commit_object *commit = NULL;
2736 	struct got_reflist_head refs;
2737 	struct got_reflist_entry *re;
2738 	time_t committer_time = 0, cmp_time = 0;
2739 
2740 	*repo_age = NULL;
2741 	SIMPLEQ_INIT(&refs);
2742 
2743 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2744 		return NULL;
2745 
2746 	if (gw_trans->repo)
2747 		repo = gw_trans->repo;
2748 	else {
2749 		error = got_repo_open(&repo, dir, NULL);
2750 		if (error)
2751 			return error;
2752 	}
2753 
2754 	error = got_ref_list(&refs, repo, "refs/heads",
2755 	    got_ref_cmp_by_name, NULL);
2756 	if (error)
2757 		goto done;
2758 
2759 	/*
2760 	 * Find the youngest branch tip in the repository, or the age of
2761 	 * the a specific branch tip if a name was provided by the caller.
2762 	 */
2763 	SIMPLEQ_FOREACH(re, &refs, entry) {
2764 		struct got_object_id *id = NULL;
2765 
2766 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2767 			continue;
2768 
2769 		error = got_ref_resolve(&id, repo, re->ref);
2770 		if (error)
2771 			goto done;
2772 
2773 		error = got_object_open_as_commit(&commit, repo, id);
2774 		free(id);
2775 		if (error)
2776 			goto done;
2777 
2778 		committer_time =
2779 		    got_object_commit_get_committer_time(commit);
2780 		got_object_commit_close(commit);
2781 		if (cmp_time < committer_time)
2782 			cmp_time = committer_time;
2783 
2784 		if (refname)
2785 			break;
2786 	}
2787 
2788 	if (cmp_time != 0) {
2789 		committer_time = cmp_time;
2790 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2791 	}
2792 done:
2793 	got_ref_list_free(&refs);
2794 	if (gw_trans->repo == NULL)
2795 		got_repo_close(repo);
2796 	return error;
2797 }
2798 
2799 static const struct got_error *
2800 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2801 {
2802 	const struct got_error *error;
2803 	FILE *f = NULL;
2804 	struct got_object_id *id1 = NULL, *id2 = NULL;
2805 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2806 	int obj_type;
2807 	size_t linesize = 0;
2808 	ssize_t linelen;
2809 	enum kcgi_err kerr = KCGI_OK;
2810 
2811 	f = got_opentemp();
2812 	if (f == NULL)
2813 		return NULL;
2814 
2815 	if (header->parent_id != NULL &&
2816 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2817 		error = got_repo_match_object_id(&id1, &label1,
2818 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2819 		if (error)
2820 			goto done;
2821 	}
2822 
2823 	error = got_repo_match_object_id(&id2, &label2,
2824 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2825 	if (error)
2826 		goto done;
2827 
2828 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2829 	if (error)
2830 		goto done;
2831 	switch (obj_type) {
2832 	case GOT_OBJ_TYPE_BLOB:
2833 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2834 		    gw_trans->repo, f);
2835 		break;
2836 	case GOT_OBJ_TYPE_TREE:
2837 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2838 		    gw_trans->repo, f);
2839 		break;
2840 	case GOT_OBJ_TYPE_COMMIT:
2841 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2842 		    gw_trans->repo, f);
2843 		break;
2844 	default:
2845 		error = got_error(GOT_ERR_OBJ_TYPE);
2846 	}
2847 	if (error)
2848 		goto done;
2849 
2850 	if (fseek(f, 0, SEEK_SET) == -1) {
2851 		error = got_ferror(f, GOT_ERR_IO);
2852 		goto done;
2853 	}
2854 
2855 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2856 		error = gw_colordiff_line(gw_trans, line);
2857 		if (error)
2858 			goto done;
2859 		/* XXX: KHTML_PRETTY breaks this */
2860 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2861 		if (kerr != KCGI_OK)
2862 			goto done;
2863 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2864 		if (kerr != KCGI_OK)
2865 			goto done;
2866 	}
2867 	if (linelen == -1 && ferror(f))
2868 		error = got_error_from_errno("getline");
2869 done:
2870 	if (f && fclose(f) == -1 && error == NULL)
2871 		error = got_error_from_errno("fclose");
2872 	free(line);
2873 	free(label1);
2874 	free(label2);
2875 	free(id1);
2876 	free(id2);
2877 
2878 	if (error == NULL && kerr != KCGI_OK)
2879 		error = gw_kcgi_error(kerr);
2880 	return error;
2881 }
2882 
2883 static const struct got_error *
2884 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2885 {
2886 	const struct got_error *error = NULL;
2887 	struct got_repository *repo;
2888 	const char *gitconfig_owner;
2889 
2890 	*owner = NULL;
2891 
2892 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2893 		return NULL;
2894 
2895 	error = got_repo_open(&repo, dir, NULL);
2896 	if (error)
2897 		return error;
2898 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2899 	if (gitconfig_owner) {
2900 		*owner = strdup(gitconfig_owner);
2901 		if (*owner == NULL)
2902 			error = got_error_from_errno("strdup");
2903 	}
2904 	got_repo_close(repo);
2905 	return error;
2906 }
2907 
2908 static const struct got_error *
2909 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2910 {
2911 	const struct got_error *error = NULL;
2912 	FILE *f;
2913 	char *d_file = NULL;
2914 	unsigned int len;
2915 	size_t n;
2916 
2917 	*url = NULL;
2918 
2919 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2920 		return got_error_from_errno("asprintf");
2921 
2922 	f = fopen(d_file, "r");
2923 	if (f == NULL) {
2924 		if (errno != ENOENT && errno != EACCES)
2925 			error = got_error_from_errno2("fopen", d_file);
2926 		goto done;
2927 	}
2928 
2929 	if (fseek(f, 0, SEEK_END) == -1) {
2930 		error = got_ferror(f, GOT_ERR_IO);
2931 		goto done;
2932 	}
2933 	len = ftell(f);
2934 	if (len == -1) {
2935 		error = got_ferror(f, GOT_ERR_IO);
2936 		goto done;
2937 	}
2938 	if (fseek(f, 0, SEEK_SET) == -1) {
2939 		error = got_ferror(f, GOT_ERR_IO);
2940 		goto done;
2941 	}
2942 
2943 	*url = calloc(len + 1, sizeof(**url));
2944 	if (*url == NULL) {
2945 		error = got_error_from_errno("calloc");
2946 		goto done;
2947 	}
2948 
2949 	n = fread(*url, 1, len, f);
2950 	if (n == 0 && ferror(f))
2951 		error = got_ferror(f, GOT_ERR_IO);
2952 done:
2953 	if (f && fclose(f) == -1 && error == NULL)
2954 		error = got_error_from_errno("fclose");
2955 	free(d_file);
2956 	return NULL;
2957 }
2958 
2959 static const struct got_error *
2960 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2961     int limit, int tag_type)
2962 {
2963 	const struct got_error *error = NULL;
2964 	struct got_reflist_head refs;
2965 	struct got_reflist_entry *re;
2966 	char *age = NULL;
2967 	char *id_str = NULL, *newline, *href_commits = NULL;
2968 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2969 	struct got_tag_object *tag = NULL;
2970 	enum kcgi_err kerr = KCGI_OK;
2971 	int summary_header_displayed = 0, start_tag = 0, chk_next = 0;
2972 	int prev_set = 0, tag_count = 0;
2973 
2974 	SIMPLEQ_INIT(&refs);
2975 
2976 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2977 	    got_ref_cmp_tags, gw_trans->repo);
2978 	if (error)
2979 		goto done;
2980 
2981 	SIMPLEQ_FOREACH(re, &refs, entry) {
2982 		const char *refname;
2983 		const char *tagger;
2984 		const char *tag_commit;
2985 		time_t tagger_time;
2986 		struct got_object_id *id;
2987 		struct got_commit_object *commit = NULL;
2988 
2989 		refname = got_ref_get_name(re->ref);
2990 		if (strncmp(refname, "refs/tags/", 10) != 0)
2991 			continue;
2992 		refname += 10;
2993 
2994 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
2995 		if (error)
2996 			goto done;
2997 
2998 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
2999 		if (error) {
3000 			if (error->code != GOT_ERR_OBJ_TYPE) {
3001 				free(id);
3002 				goto done;
3003 			}
3004 			/* "lightweight" tag */
3005 			error = got_object_open_as_commit(&commit,
3006 			    gw_trans->repo, id);
3007 			if (error) {
3008 				free(id);
3009 				goto done;
3010 			}
3011 			tagger = got_object_commit_get_committer(commit);
3012 			tagger_time =
3013 			    got_object_commit_get_committer_time(commit);
3014 			error = got_object_id_str(&id_str, id);
3015 			free(id);
3016 		} else {
3017 			free(id);
3018 			tagger = got_object_tag_get_tagger(tag);
3019 			tagger_time = got_object_tag_get_tagger_time(tag);
3020 			error = got_object_id_str(&id_str,
3021 			    got_object_tag_get_object_id(tag));
3022 		}
3023 		if (error)
3024 			goto done;
3025 
3026 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3027 		    strlen(id_str)) != 0)
3028 			continue;
3029 
3030 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3031 		    start_tag == 0 && strncmp(id_str, header->commit_id,
3032 		    strlen(id_str)) != 0) {
3033 			continue;
3034 		} else {
3035 			start_tag = 1;
3036 		}
3037 
3038 		tag_count++;
3039 
3040 		if (prev_set == 0 && start_tag == 1) {
3041 			gw_trans->next_prev_id = strdup(id_str);
3042 			if (gw_trans->next_prev_id == NULL) {
3043 				error = got_error_from_errno("strdup");
3044 				goto done;
3045 			}
3046 			prev_set = 1;
3047 		}
3048 
3049 		if (chk_next) {
3050 			gw_trans->next_id = strdup(id_str);
3051 			if (gw_trans->next_id == NULL)
3052 				error = got_error_from_errno("strdup");
3053 			goto done;
3054 		}
3055 
3056 		if (commit) {
3057 			error = got_object_commit_get_logmsg(&tag_commit0,
3058 			    commit);
3059 			if (error)
3060 				goto done;
3061 			got_object_commit_close(commit);
3062 		} else {
3063 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3064 			if (tag_commit0 == NULL) {
3065 				error = got_error_from_errno("strdup");
3066 				goto done;
3067 			}
3068 		}
3069 
3070 		tag_commit = tag_commit0;
3071 		while (*tag_commit == '\n')
3072 			tag_commit++;
3073 
3074 		switch (tag_type) {
3075 		case TAGBRIEF:
3076 			newline = strchr(tag_commit, '\n');
3077 			if (newline)
3078 				*newline = '\0';
3079 
3080 			if (summary_header_displayed == 0) {
3081 				kerr = khtml_attr(gw_trans->gw_html_req,
3082 				    KELEM_DIV, KATTR_ID,
3083 				    "summary_tags_title_wrapper", KATTR__MAX);
3084 				if (kerr != KCGI_OK)
3085 					goto done;
3086 				kerr = khtml_attr(gw_trans->gw_html_req,
3087 				    KELEM_DIV, KATTR_ID,
3088 				    "summary_tags_title", KATTR__MAX);
3089 				if (kerr != KCGI_OK)
3090 					goto done;
3091 				kerr = khtml_puts(gw_trans->gw_html_req,
3092 				    "Tags");
3093 				if (kerr != KCGI_OK)
3094 					goto done;
3095 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3096 				    2);
3097 				if (kerr != KCGI_OK)
3098 					goto done;
3099 				kerr = khtml_attr(gw_trans->gw_html_req,
3100 				    KELEM_DIV, KATTR_ID,
3101 				    "summary_tags_content", KATTR__MAX);
3102 				if (kerr != KCGI_OK)
3103 					goto done;
3104 				summary_header_displayed = 1;
3105 			}
3106 
3107 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3108 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3109 			if (kerr != KCGI_OK)
3110 				goto done;
3111 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3112 			    KATTR_ID, "tag_age", KATTR__MAX);
3113 			if (kerr != KCGI_OK)
3114 				goto done;
3115 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3116 			if (error)
3117 				goto done;
3118 			kerr = khtml_puts(gw_trans->gw_html_req,
3119 			    age ? age : "");
3120 			if (kerr != KCGI_OK)
3121 				goto done;
3122 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3123 			if (kerr != KCGI_OK)
3124 				goto done;
3125 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3126 			    KATTR_ID, "tag", KATTR__MAX);
3127 			if (kerr != KCGI_OK)
3128 				goto done;
3129 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3130 			if (kerr != KCGI_OK)
3131 				goto done;
3132 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3133 			if (kerr != KCGI_OK)
3134 				goto done;
3135 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3136 			    KATTR_ID, "tag_name", KATTR__MAX);
3137 			if (kerr != KCGI_OK)
3138 				goto done;
3139 			if (asprintf(&href_tag, "?path=%s&action=tag&commit=%s",
3140 			    gw_trans->repo_name, id_str) == -1) {
3141 				error = got_error_from_errno("asprintf");
3142 				goto done;
3143 			}
3144 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3145 			    KATTR_HREF, href_tag, KATTR__MAX);
3146 			if (kerr != KCGI_OK)
3147 				goto done;
3148 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3149 			if (kerr != KCGI_OK)
3150 				goto done;
3151 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3152 			if (kerr != KCGI_OK)
3153 				goto done;
3154 
3155 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3156 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3157 			if (kerr != KCGI_OK)
3158 				goto done;
3159 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3160 			    KATTR_ID, "navs", KATTR__MAX);
3161 			if (kerr != KCGI_OK)
3162 				goto done;
3163 
3164 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3165 			    KATTR_HREF, href_tag, KATTR__MAX);
3166 			if (kerr != KCGI_OK)
3167 				goto done;
3168 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3169 			if (kerr != KCGI_OK)
3170 				goto done;
3171 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3172 			if (kerr != KCGI_OK)
3173 				goto done;
3174 
3175 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3176 			if (kerr != KCGI_OK)
3177 				goto done;
3178 			if (asprintf(&href_briefs,
3179 			    "?path=%s&action=briefs&commit=%s",
3180 			    gw_trans->repo_name, id_str) == -1) {
3181 				error = got_error_from_errno("asprintf");
3182 				goto done;
3183 			}
3184 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3185 			    KATTR_HREF, href_briefs, KATTR__MAX);
3186 			if (kerr != KCGI_OK)
3187 				goto done;
3188 			kerr = khtml_puts(gw_trans->gw_html_req,
3189 			    "commit briefs");
3190 			if (kerr != KCGI_OK)
3191 				goto done;
3192 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3193 			if (kerr != KCGI_OK)
3194 				goto done;
3195 
3196 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 
3200 			if (asprintf(&href_commits,
3201 			    "?path=%s&action=commits&commit=%s",
3202 			    gw_trans->repo_name, id_str) == -1) {
3203 				error = got_error_from_errno("asprintf");
3204 				goto done;
3205 			}
3206 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3207 			    KATTR_HREF, href_commits, KATTR__MAX);
3208 			if (kerr != KCGI_OK)
3209 				goto done;
3210 			kerr = khtml_puts(gw_trans->gw_html_req,
3211 			    "commits");
3212 			if (kerr != KCGI_OK)
3213 				goto done;
3214 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3215 			if (kerr != KCGI_OK)
3216 				goto done;
3217 
3218 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3219 			    KATTR_ID, "dotted_line", KATTR__MAX);
3220 			if (kerr != KCGI_OK)
3221 				goto done;
3222 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3223 			if (kerr != KCGI_OK)
3224 				goto done;
3225 			break;
3226 		case TAGFULL:
3227 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3228 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3229 			if (kerr != KCGI_OK)
3230 				goto done;
3231 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3232 			if (kerr != KCGI_OK)
3233 				goto done;
3234 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3235 			if (kerr != KCGI_OK)
3236 				goto done;
3237 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3238 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3239 			if (kerr != KCGI_OK)
3240 				goto done;
3241 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3242 			if (error)
3243 				goto done;
3244 			kerr = khtml_puts(gw_trans->gw_html_req,
3245 			    age ? age : "");
3246 			if (kerr != KCGI_OK)
3247 				goto done;
3248 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3249 			if (kerr != KCGI_OK)
3250 				goto done;
3251 
3252 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3253 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3254 			if (kerr != KCGI_OK)
3255 				goto done;
3256 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3257 			if (kerr != KCGI_OK)
3258 				goto done;
3259 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3260 			if (kerr != KCGI_OK)
3261 				goto done;
3262 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3263 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3264 			if (kerr != KCGI_OK)
3265 				goto done;
3266 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3267 			if (kerr != KCGI_OK)
3268 				goto done;
3269 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3270 			if (kerr != KCGI_OK)
3271 				goto done;
3272 
3273 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3274 			    KATTR_ID, "tag_info", KATTR__MAX);
3275 			if (kerr != KCGI_OK)
3276 				goto done;
3277 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3278 			if (kerr != KCGI_OK)
3279 				goto done;
3280 			break;
3281 		default:
3282 			break;
3283 		}
3284 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3285 		if (kerr != KCGI_OK)
3286 			goto done;
3287 
3288 		if (limit && --limit == 0)
3289 			chk_next = 1;
3290 
3291 		if (tag)
3292 			got_object_tag_close(tag);
3293 		tag = NULL;
3294 		free(id_str);
3295 		id_str = NULL;
3296 		free(age);
3297 		age = NULL;
3298 		free(tag_commit0);
3299 		tag_commit0 = NULL;
3300 		free(href_tag);
3301 		href_tag = NULL;
3302 		free(href_briefs);
3303 		href_briefs = NULL;
3304 		free(href_commits);
3305 		href_commits = NULL;
3306 	}
3307 	if (tag_count == 0) {
3308 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3309 		    "summary_tags_title_wrapper", KATTR__MAX);
3310 		if (kerr != KCGI_OK)
3311 			goto done;
3312 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3313 		    "summary_tags_title", KATTR__MAX);
3314 		if (kerr != KCGI_OK)
3315 			goto done;
3316 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3317 		if (kerr != KCGI_OK)
3318 			goto done;
3319 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3320 		if (kerr != KCGI_OK)
3321 			goto done;
3322 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3323 		    "summary_tags_content", KATTR__MAX);
3324 		if (kerr != KCGI_OK)
3325 			goto done;
3326 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3327 		    "tags_info", KATTR__MAX);
3328 		if (kerr != KCGI_OK)
3329 			goto done;
3330 		kerr = khttp_puts(gw_trans->gw_req,
3331 		    "There are no tags for this repo.");
3332 		if (kerr != KCGI_OK)
3333 			goto done;
3334 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3335 	}
3336 done:
3337 	if (tag)
3338 		got_object_tag_close(tag);
3339 	free(id_str);
3340 	free(age);
3341 	free(tag_commit0);
3342 	free(href_tag);
3343 	free(href_briefs);
3344 	free(href_commits);
3345 	got_ref_list_free(&refs);
3346 	if (error == NULL && kerr != KCGI_OK)
3347 		error = gw_kcgi_error(kerr);
3348 	return error;
3349 }
3350 
3351 static void
3352 gw_free_header(struct gw_header *header)
3353 {
3354 	free(header->path);
3355 	free(header->author);
3356 	free(header->committer);
3357 	free(header->refs_str);
3358 	free(header->commit_id);
3359 	free(header->parent_id);
3360 	free(header->tree_id);
3361 	free(header->commit_msg);
3362 }
3363 
3364 static struct gw_header *
3365 gw_init_header()
3366 {
3367 	struct gw_header *header;
3368 
3369 	header = malloc(sizeof(*header));
3370 	if (header == NULL)
3371 		return NULL;
3372 
3373 	header->path = NULL;
3374 	SIMPLEQ_INIT(&header->refs);
3375 
3376 	header->refs_str = NULL;
3377 	header->commit_id = NULL;
3378 	header->committer = NULL;
3379 	header->author = NULL;
3380 	header->parent_id = NULL;
3381 	header->tree_id = NULL;
3382 	header->commit_msg = NULL;
3383 
3384 	return header;
3385 }
3386 
3387 static const struct got_error *
3388 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3389     int limit, struct got_object_id *id)
3390 {
3391 	const struct got_error *error = NULL;
3392 	struct got_commit_graph *graph = NULL;
3393 	struct got_commit_object *commit = NULL;
3394 	int chk_next = 0, chk_multi = 0, prev_set = 0;
3395 
3396 	error = got_commit_graph_open(&graph, header->path, 0);
3397 	if (error)
3398 		return error;
3399 
3400 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3401 	    NULL);
3402 	if (error)
3403 		goto done;
3404 
3405 	for (;;) {
3406 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3407 		    NULL, NULL);
3408 		if (error) {
3409 			if (error->code == GOT_ERR_ITER_COMPLETED)
3410 				error = NULL;
3411 			goto done;
3412 		}
3413 		if (id == NULL)
3414 			goto done;
3415 
3416 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3417 			if (error)
3418 				goto done;
3419 		if (limit == 1 && chk_multi == 0 &&
3420 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3421 			error = gw_get_commit(gw_trans, header, commit, id);
3422 			if (error)
3423 				goto done;
3424 		} else {
3425 			chk_multi = 1;
3426 			struct gw_header *n_header = NULL;
3427 			if ((n_header = gw_init_header()) == NULL) {
3428 				error = got_error_from_errno("malloc");
3429 				goto done;
3430 			}
3431 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3432 			    NULL, got_ref_cmp_by_name, NULL);
3433 			if (error)
3434 				goto done;
3435 
3436 			error = gw_get_commit(gw_trans, n_header, commit, id);
3437 			if (error)
3438 				goto done;
3439 			got_ref_list_free(&n_header->refs);
3440 
3441 			/*
3442 			 * we have a commit_id now, so copy it to next_prev_id
3443 			 * for navigation through gw_briefs and gw_commits
3444 			 */
3445 			if (gw_trans->next_prev_id == NULL && prev_set == 0 &&
3446 			    (gw_trans->action == GW_BRIEFS ||
3447 			     gw_trans->action == GW_COMMITS ||
3448 			     gw_trans->action == GW_SUMMARY)) {
3449 				prev_set = 1;
3450 				gw_trans->next_prev_id =
3451 				    strdup(n_header->commit_id);
3452 				if (gw_trans->next_prev_id == NULL) {
3453 					error = got_error_from_errno("strdup");
3454 					goto done;
3455 				}
3456 			}
3457 
3458 			/*
3459 			 * check for one more commit before breaking,
3460 			 * so we know whether to navicate through gw_briefs
3461 			 * gw_commits and gw_summary
3462 			 */
3463 			if (chk_next && (gw_trans->action == GW_BRIEFS||
3464 			    gw_trans->action == GW_COMMITS ||
3465 			    gw_trans->action == GW_SUMMARY)) {
3466 				gw_trans->next_id = strdup(n_header->commit_id);
3467 				if (gw_trans->next_id == NULL)
3468 					error = got_error_from_errno("strdup");
3469 				goto done;
3470 			}
3471 
3472 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3473 			    entry);
3474 		}
3475 		if (error || (limit && --limit == 0)) {
3476 			if (chk_multi == 0)
3477 				break;
3478 			chk_next = 1;
3479 		}
3480 	}
3481 done:
3482 	if (commit != NULL)
3483 		got_object_commit_close(commit);
3484 	if (graph)
3485 		got_commit_graph_close(graph);
3486 	return error;
3487 }
3488 
3489 static const struct got_error *
3490 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3491     struct got_commit_object *commit, struct got_object_id *id)
3492 {
3493 	const struct got_error *error = NULL;
3494 	struct got_reflist_entry *re;
3495 	struct got_object_id *id2 = NULL;
3496 	struct got_object_qid *parent_id;
3497 	char *commit_msg = NULL, *commit_msg0;
3498 
3499 	/*print commit*/
3500 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3501 		char *s;
3502 		const char *name;
3503 		struct got_tag_object *tag = NULL;
3504 		int cmp;
3505 
3506 		if (got_ref_is_symbolic(re->ref))
3507 			continue;
3508 
3509 		name = got_ref_get_name(re->ref);
3510 		if (strncmp(name, "refs/", 5) == 0)
3511 			name += 5;
3512 		if (strncmp(name, "got/", 4) == 0)
3513 			continue;
3514 		if (strncmp(name, "heads/", 6) == 0)
3515 			name += 6;
3516 		if (strncmp(name, "remotes/", 8) == 0)
3517 			name += 8;
3518 		if (strncmp(name, "tags/", 5) == 0) {
3519 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3520 			    re->id);
3521 			if (error) {
3522 				if (error->code != GOT_ERR_OBJ_TYPE)
3523 					continue;
3524 				/*
3525 				 * Ref points at something other
3526 				 * than a tag.
3527 				 */
3528 				error = NULL;
3529 				tag = NULL;
3530 			}
3531 		}
3532 		cmp = got_object_id_cmp(tag ?
3533 		    got_object_tag_get_object_id(tag) : re->id, id);
3534 		if (tag)
3535 			got_object_tag_close(tag);
3536 		if (cmp != 0)
3537 			continue;
3538 		s = header->refs_str;
3539 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3540 		    s ? ", " : "", name) == -1) {
3541 			error = got_error_from_errno("asprintf");
3542 			free(s);
3543 			header->refs_str = NULL;
3544 			return error;
3545 		}
3546 		free(s);
3547 	}
3548 
3549 	error = got_object_id_str(&header->commit_id, id);
3550 	if (error)
3551 		return error;
3552 
3553 	error = got_object_id_str(&header->tree_id,
3554 	    got_object_commit_get_tree_id(commit));
3555 	if (error)
3556 		return error;
3557 
3558 	if (gw_trans->action == GW_DIFF) {
3559 		parent_id = SIMPLEQ_FIRST(
3560 		    got_object_commit_get_parent_ids(commit));
3561 		if (parent_id != NULL) {
3562 			id2 = got_object_id_dup(parent_id->id);
3563 			free (parent_id);
3564 			error = got_object_id_str(&header->parent_id, id2);
3565 			if (error)
3566 				return error;
3567 			free(id2);
3568 		} else {
3569 			header->parent_id = strdup("/dev/null");
3570 			if (header->parent_id == NULL) {
3571 				error = got_error_from_errno("strdup");
3572 				return error;
3573 			}
3574 		}
3575 	}
3576 
3577 	header->committer_time =
3578 	    got_object_commit_get_committer_time(commit);
3579 
3580 	header->author =
3581 	    strdup(got_object_commit_get_author(commit));
3582 	if (header->author == NULL) {
3583 		error = got_error_from_errno("strdup");
3584 		return error;
3585 	}
3586 	header->committer =
3587 	    strdup(got_object_commit_get_committer(commit));
3588 	if (header->committer == NULL) {
3589 		error = got_error_from_errno("strdup");
3590 		return error;
3591 	}
3592 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3593 	if (error)
3594 		return error;
3595 
3596 	commit_msg = commit_msg0;
3597 	while (*commit_msg == '\n')
3598 		commit_msg++;
3599 
3600 	header->commit_msg = strdup(commit_msg);
3601 	if (header->commit_msg == NULL)
3602 		error = got_error_from_errno("strdup");
3603 	free(commit_msg0);
3604 	return error;
3605 }
3606 
3607 static const struct got_error *
3608 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3609 {
3610 	const struct got_error *error = NULL;
3611 	char *in_repo_path = NULL;
3612 	struct got_object_id *id = NULL;
3613 
3614 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3615 	if (error)
3616 		return error;
3617 
3618 	if (gw_trans->commit_id == NULL) {
3619 		struct got_reference *head_ref;
3620 		error = got_ref_open(&head_ref, gw_trans->repo,
3621 		    gw_trans->headref, 0);
3622 		if (error)
3623 			return error;
3624 
3625 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3626 		got_ref_close(head_ref);
3627 		if (error)
3628 			return error;
3629 	} else {
3630 		struct got_reference *ref;
3631 
3632 		error = got_ref_open(&ref, gw_trans->repo,
3633 		    gw_trans->commit_id, 0);
3634 		if (error == NULL) {
3635 			int obj_type;
3636 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3637 			got_ref_close(ref);
3638 			if (error)
3639 				return error;
3640 			error = got_object_get_type(&obj_type, gw_trans->repo,
3641 			    id);
3642 			if (error)
3643 				goto done;
3644 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3645 				struct got_tag_object *tag;
3646 				error = got_object_open_as_tag(&tag,
3647 				    gw_trans->repo, id);
3648 				if (error)
3649 					goto done;
3650 				if (got_object_tag_get_object_type(tag) !=
3651 				    GOT_OBJ_TYPE_COMMIT) {
3652 					got_object_tag_close(tag);
3653 					error = got_error(GOT_ERR_OBJ_TYPE);
3654 					goto done;
3655 				}
3656 				free(id);
3657 				id = got_object_id_dup(
3658 				    got_object_tag_get_object_id(tag));
3659 				if (id == NULL)
3660 					error = got_error_from_errno(
3661 					    "got_object_id_dup");
3662 				got_object_tag_close(tag);
3663 				if (error)
3664 					goto done;
3665 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3666 				error = got_error(GOT_ERR_OBJ_TYPE);
3667 				goto done;
3668 			}
3669 		}
3670 		error = got_repo_match_object_id_prefix(&id,
3671 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3672 			    gw_trans->repo);
3673 		if (error)
3674 			goto done;
3675 	}
3676 
3677 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3678 	    gw_trans->repo_path, 1);
3679 	if (error)
3680 		goto done;
3681 
3682 	if (in_repo_path) {
3683 		header->path = strdup(in_repo_path);
3684 		if (header->path == NULL) {
3685 			error = got_error_from_errno("strdup");
3686 			goto done;
3687 		}
3688 	}
3689 
3690 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3691 	    got_ref_cmp_by_name, NULL);
3692 	if (error)
3693 		goto done;
3694 
3695 	error = gw_get_commits(gw_trans, header, limit, id);
3696 done:
3697 	got_ref_list_free(&header->refs);
3698 	free(id);
3699 	free(in_repo_path);
3700 	return error;
3701 }
3702 
3703 struct blame_line {
3704 	int annotated;
3705 	char *id_str;
3706 	char *committer;
3707 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3708 };
3709 
3710 struct gw_blame_cb_args {
3711 	struct blame_line *lines;
3712 	int nlines;
3713 	int nlines_prec;
3714 	int lineno_cur;
3715 	off_t *line_offsets;
3716 	FILE *f;
3717 	struct got_repository *repo;
3718 	struct gw_trans *gw_trans;
3719 };
3720 
3721 static const struct got_error *
3722 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3723 {
3724 	const struct got_error *err = NULL;
3725 	struct gw_blame_cb_args *a = arg;
3726 	struct blame_line *bline;
3727 	char *line = NULL;
3728 	size_t linesize = 0;
3729 	struct got_commit_object *commit = NULL;
3730 	off_t offset;
3731 	struct tm tm;
3732 	time_t committer_time;
3733 	enum kcgi_err kerr = KCGI_OK;
3734 
3735 	if (nlines != a->nlines ||
3736 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3737 		return got_error(GOT_ERR_RANGE);
3738 
3739 	if (lineno == -1)
3740 		return NULL; /* no change in this commit */
3741 
3742 	/* Annotate this line. */
3743 	bline = &a->lines[lineno - 1];
3744 	if (bline->annotated)
3745 		return NULL;
3746 	err = got_object_id_str(&bline->id_str, id);
3747 	if (err)
3748 		return err;
3749 
3750 	err = got_object_open_as_commit(&commit, a->repo, id);
3751 	if (err)
3752 		goto done;
3753 
3754 	bline->committer = strdup(got_object_commit_get_committer(commit));
3755 	if (bline->committer == NULL) {
3756 		err = got_error_from_errno("strdup");
3757 		goto done;
3758 	}
3759 
3760 	committer_time = got_object_commit_get_committer_time(commit);
3761 	if (localtime_r(&committer_time, &tm) == NULL)
3762 		return got_error_from_errno("localtime_r");
3763 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3764 	    &tm) >= sizeof(bline->datebuf)) {
3765 		err = got_error(GOT_ERR_NO_SPACE);
3766 		goto done;
3767 	}
3768 	bline->annotated = 1;
3769 
3770 	/* Print lines annotated so far. */
3771 	bline = &a->lines[a->lineno_cur - 1];
3772 	if (!bline->annotated)
3773 		goto done;
3774 
3775 	offset = a->line_offsets[a->lineno_cur - 1];
3776 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3777 		err = got_error_from_errno("fseeko");
3778 		goto done;
3779 	}
3780 
3781 	while (bline->annotated) {
3782 		char *smallerthan, *at, *nl, *committer;
3783 		char *lineno = NULL, *href_diff = NULL, *href_link = NULL;
3784 		size_t len;
3785 
3786 		if (getline(&line, &linesize, a->f) == -1) {
3787 			if (ferror(a->f))
3788 				err = got_error_from_errno("getline");
3789 			break;
3790 		}
3791 
3792 		committer = bline->committer;
3793 		smallerthan = strchr(committer, '<');
3794 		if (smallerthan && smallerthan[1] != '\0')
3795 			committer = smallerthan + 1;
3796 		at = strchr(committer, '@');
3797 		if (at)
3798 			*at = '\0';
3799 		len = strlen(committer);
3800 		if (len >= 9)
3801 			committer[8] = '\0';
3802 
3803 		nl = strchr(line, '\n');
3804 		if (nl)
3805 			*nl = '\0';
3806 
3807 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3808 		    "blame_wrapper", KATTR__MAX);
3809 		if (kerr != KCGI_OK)
3810 			goto err;
3811 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3812 		    "blame_number", KATTR__MAX);
3813 		if (kerr != KCGI_OK)
3814 			goto err;
3815 		if (asprintf(&lineno, "%.*d", a->nlines_prec,
3816 		    a->lineno_cur) == -1)
3817 			goto err;
3818 		kerr = khtml_puts(a->gw_trans->gw_html_req, lineno);
3819 		if (kerr != KCGI_OK)
3820 			goto err;
3821 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3822 		if (kerr != KCGI_OK)
3823 			goto err;
3824 
3825 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3826 		    "blame_hash", KATTR__MAX);
3827 		if (kerr != KCGI_OK)
3828 			goto err;
3829 
3830 		if (asprintf(&href_diff,
3831 		    "?path=%s&action=diff&commit=%s",
3832 		    a->gw_trans->repo_name, bline->id_str) == -1) {
3833 			err = got_error_from_errno("asprintf");
3834 			goto err;
3835 		}
3836 		if (asprintf(&href_link, "%.8s", bline->id_str) == -1) {
3837 			err = got_error_from_errno("asprintf");
3838 			goto err;
3839 		}
3840 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3841 		    KATTR_HREF, href_diff, KATTR__MAX);
3842 		if (kerr != KCGI_OK)
3843 			goto done;
3844 		kerr = khtml_puts(a->gw_trans->gw_html_req, href_link);
3845 		if (kerr != KCGI_OK)
3846 			goto err;
3847 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3848 		if (kerr != KCGI_OK)
3849 			goto err;
3850 
3851 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3852 		    "blame_date", KATTR__MAX);
3853 		if (kerr != KCGI_OK)
3854 			goto err;
3855 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3856 		if (kerr != KCGI_OK)
3857 			goto err;
3858 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3859 		if (kerr != KCGI_OK)
3860 			goto err;
3861 
3862 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3863 		    "blame_author", KATTR__MAX);
3864 		if (kerr != KCGI_OK)
3865 			goto err;
3866 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3867 		if (kerr != KCGI_OK)
3868 			goto err;
3869 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3870 		if (kerr != KCGI_OK)
3871 			goto err;
3872 
3873 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3874 		    "blame_code", KATTR__MAX);
3875 		if (kerr != KCGI_OK)
3876 			goto err;
3877 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3878 		if (kerr != KCGI_OK)
3879 			goto err;
3880 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3881 		if (kerr != KCGI_OK)
3882 			goto err;
3883 
3884 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3885 		if (kerr != KCGI_OK)
3886 			goto err;
3887 
3888 		a->lineno_cur++;
3889 		bline = &a->lines[a->lineno_cur - 1];
3890 err:
3891 		free(lineno);
3892 		free(href_diff);
3893 		free(href_link);
3894 	}
3895 done:
3896 	if (commit)
3897 		got_object_commit_close(commit);
3898 	free(line);
3899 	if (err == NULL && kerr != KCGI_OK)
3900 		err = gw_kcgi_error(kerr);
3901 	return err;
3902 }
3903 
3904 static const struct got_error *
3905 gw_output_file_blame(struct gw_trans *gw_trans)
3906 {
3907 	const struct got_error *error = NULL;
3908 	struct got_object_id *obj_id = NULL;
3909 	struct got_object_id *commit_id = NULL;
3910 	struct got_blob_object *blob = NULL;
3911 	char *path = NULL, *in_repo_path = NULL;
3912 	struct gw_blame_cb_args bca;
3913 	int i, obj_type;
3914 	size_t filesize;
3915 
3916 	if (asprintf(&path, "%s%s%s",
3917 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3918 	    gw_trans->repo_folder ? "/" : "",
3919 	    gw_trans->repo_file) == -1) {
3920 		error = got_error_from_errno("asprintf");
3921 		goto done;
3922 	}
3923 
3924 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3925 	if (error)
3926 		goto done;
3927 
3928 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3929 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3930 	if (error)
3931 		goto done;
3932 
3933 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3934 	    in_repo_path);
3935 	if (error)
3936 		goto done;
3937 
3938 	if (obj_id == NULL) {
3939 		error = got_error(GOT_ERR_NO_OBJ);
3940 		goto done;
3941 	}
3942 
3943 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3944 	if (error)
3945 		goto done;
3946 
3947 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3948 		error = got_error(GOT_ERR_OBJ_TYPE);
3949 		goto done;
3950 	}
3951 
3952 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3953 	if (error)
3954 		goto done;
3955 
3956 	bca.f = got_opentemp();
3957 	if (bca.f == NULL) {
3958 		error = got_error_from_errno("got_opentemp");
3959 		goto done;
3960 	}
3961 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3962 	    &bca.line_offsets, bca.f, blob);
3963 	if (error || bca.nlines == 0)
3964 		goto done;
3965 
3966 	/* Don't include \n at EOF in the blame line count. */
3967 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3968 		bca.nlines--;
3969 
3970 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3971 	if (bca.lines == NULL) {
3972 		error = got_error_from_errno("calloc");
3973 		goto done;
3974 	}
3975 	bca.lineno_cur = 1;
3976 	bca.nlines_prec = 0;
3977 	i = bca.nlines;
3978 	while (i > 0) {
3979 		i /= 10;
3980 		bca.nlines_prec++;
3981 	}
3982 	bca.repo = gw_trans->repo;
3983 	bca.gw_trans = gw_trans;
3984 
3985 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3986 	    &bca, NULL, NULL);
3987 done:
3988 	free(in_repo_path);
3989 	free(commit_id);
3990 	free(obj_id);
3991 	free(path);
3992 
3993 	if (blob) {
3994 		free(bca.line_offsets);
3995 		for (i = 0; i < bca.nlines; i++) {
3996 			struct blame_line *bline = &bca.lines[i];
3997 			free(bline->id_str);
3998 			free(bline->committer);
3999 		}
4000 		free(bca.lines);
4001 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4002 			error = got_error_from_errno("fclose");
4003 	}
4004 	if (blob)
4005 		got_object_blob_close(blob);
4006 	return error;
4007 }
4008 
4009 static const struct got_error *
4010 gw_output_blob_buf(struct gw_trans *gw_trans)
4011 {
4012 	const struct got_error *error = NULL;
4013 	struct got_object_id *obj_id = NULL;
4014 	struct got_object_id *commit_id = NULL;
4015 	struct got_blob_object *blob = NULL;
4016 	char *path = NULL, *in_repo_path = NULL;
4017 	int obj_type, set_mime = 0;
4018 	size_t len, hdrlen;
4019 	const uint8_t *buf;
4020 	enum kcgi_err kerr = KCGI_OK;
4021 
4022 	if (asprintf(&path, "%s%s%s",
4023 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4024 	    gw_trans->repo_folder ? "/" : "",
4025 	    gw_trans->repo_file) == -1) {
4026 		error = got_error_from_errno("asprintf");
4027 		goto done;
4028 	}
4029 
4030 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
4031 	if (error)
4032 		goto done;
4033 
4034 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4035 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
4036 	if (error)
4037 		goto done;
4038 
4039 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4040 	    in_repo_path);
4041 	if (error)
4042 		goto done;
4043 
4044 	if (obj_id == NULL) {
4045 		error = got_error(GOT_ERR_NO_OBJ);
4046 		goto done;
4047 	}
4048 
4049 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4050 	if (error)
4051 		goto done;
4052 
4053 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4054 		error = got_error(GOT_ERR_OBJ_TYPE);
4055 		goto done;
4056 	}
4057 
4058 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4059 	if (error)
4060 		goto done;
4061 
4062 	hdrlen = got_object_blob_get_hdrlen(blob);
4063 	do {
4064 		error = got_object_blob_read_block(&len, blob);
4065 		if (error)
4066 			goto done;
4067 		buf = got_object_blob_get_read_buf(blob);
4068 
4069 		/*
4070 		 * Skip blob object header first time around,
4071 		 * which also contains a zero byte.
4072 		 */
4073 		buf += hdrlen;
4074 		if (set_mime == 0) {
4075 			if (isbinary(buf, len - hdrlen))
4076 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4077 			else
4078 				gw_trans->mime = KMIME_TEXT_PLAIN;
4079 			set_mime = 1;
4080 			error = gw_display_index(gw_trans);
4081 			if (error)
4082 				goto done;
4083 		}
4084 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4085 		if (kerr != KCGI_OK)
4086 			goto done;
4087 		hdrlen = 0;
4088 	} while (len != 0);
4089 done:
4090 	free(in_repo_path);
4091 	free(commit_id);
4092 	free(obj_id);
4093 	free(path);
4094 	if (blob)
4095 		got_object_blob_close(blob);
4096 	if (error == NULL && kerr != KCGI_OK)
4097 		error = gw_kcgi_error(kerr);
4098 	return error;
4099 }
4100 
4101 static const struct got_error *
4102 gw_output_repo_tree(struct gw_trans *gw_trans)
4103 {
4104 	const struct got_error *error = NULL;
4105 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4106 	struct got_tree_object *tree = NULL;
4107 	char *path = NULL, *in_repo_path = NULL;
4108 	char *id_str = NULL;
4109 	char *build_folder = NULL;
4110 	char *href_blob = NULL, *href_blame = NULL;
4111 	const char *class = NULL;
4112 	int nentries, i, class_flip = 0;
4113 	enum kcgi_err kerr = KCGI_OK;
4114 
4115 	if (gw_trans->repo_folder != NULL) {
4116 		path = strdup(gw_trans->repo_folder);
4117 		if (path == NULL) {
4118 			error = got_error_from_errno("strdup");
4119 			goto done;
4120 		}
4121 	} else {
4122 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4123 		    gw_trans->repo_path, 1);
4124 		if (error)
4125 			goto done;
4126 		free(path);
4127 		path = in_repo_path;
4128 	}
4129 
4130 	if (gw_trans->commit_id == NULL) {
4131 		struct got_reference *head_ref;
4132 		error = got_ref_open(&head_ref, gw_trans->repo,
4133 		    gw_trans->headref, 0);
4134 		if (error)
4135 			goto done;
4136 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4137 		if (error)
4138 			goto done;
4139 		got_ref_close(head_ref);
4140 		/*
4141 		 * gw_trans->commit_id was not parsed from the querystring
4142 		 * we hit this code path from gw_index, where we don't know the
4143 		 * commit values for the tree link yet, so set
4144 		 * gw_trans->commit_id here to continue further into the tree
4145 		 */
4146 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4147 		if (error)
4148 			goto done;
4149 
4150 	} else {
4151 		error = got_repo_match_object_id(&commit_id, NULL,
4152 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
4153 		    gw_trans->repo);
4154 		if (error)
4155 			goto done;
4156 	}
4157 
4158 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4159 	    path);
4160 	if (error)
4161 		goto done;
4162 
4163 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4164 	if (error)
4165 		goto done;
4166 
4167 	nentries = got_object_tree_get_nentries(tree);
4168 	for (i = 0; i < nentries; i++) {
4169 		struct got_tree_entry *te;
4170 		const char *modestr = "";
4171 		mode_t mode;
4172 
4173 		te = got_object_tree_get_entry(tree, i);
4174 
4175 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4176 		if (error)
4177 			goto done;
4178 
4179 		mode = got_tree_entry_get_mode(te);
4180 		if (got_object_tree_entry_is_submodule(te))
4181 			modestr = "$";
4182 		else if (S_ISLNK(mode))
4183 			modestr = "@";
4184 		else if (S_ISDIR(mode))
4185 			modestr = "/";
4186 		else if (mode & S_IXUSR)
4187 			modestr = "*";
4188 
4189 		if (class_flip == 0) {
4190 			class = "back_lightgray";
4191 			class_flip = 1;
4192 		} else {
4193 			class = "back_white";
4194 			class_flip = 0;
4195 		}
4196 
4197 		if (S_ISDIR(mode)) {
4198 			if (asprintf(&build_folder, "%s/%s",
4199 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4200 			    got_tree_entry_get_name(te)) == -1) {
4201 				error = got_error_from_errno("asprintf");
4202 				goto done;
4203 			}
4204 			if (asprintf(&href_blob,
4205 			    "?path=%s&action=%s&commit=%s&folder=%s",
4206 			    gw_trans->repo_name, gw_get_action_name(gw_trans),
4207 			    gw_trans->commit_id, build_folder) == -1) {
4208 				error = got_error_from_errno("asprintf");
4209 				goto done;
4210 			}
4211 
4212 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4213 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4214 			if (kerr != KCGI_OK)
4215 				goto done;
4216 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4217 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4218 			    KATTR__MAX);
4219 			if (kerr != KCGI_OK)
4220 				goto done;
4221 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4222 			    KATTR_HREF, href_blob, KATTR_CLASS,
4223 			    "diff_directory", KATTR__MAX);
4224 			if (kerr != KCGI_OK)
4225 				goto done;
4226 			kerr = khtml_puts(gw_trans->gw_html_req,
4227 			    got_tree_entry_get_name(te));
4228 			if (kerr != KCGI_OK)
4229 				goto done;
4230 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
4231 			if (kerr != KCGI_OK)
4232 				goto done;
4233 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4234 			if (kerr != KCGI_OK)
4235 				goto done;
4236 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4237 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4238 			    KATTR__MAX);
4239 			if (kerr != KCGI_OK)
4240 				goto done;
4241 			kerr = khtml_entity(gw_trans->gw_html_req,
4242 			    KENTITY_nbsp);
4243 			if (kerr != KCGI_OK)
4244 				goto done;
4245 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4246 			if (kerr != KCGI_OK)
4247 				goto done;
4248 		} else {
4249 			if (asprintf(&href_blob,
4250 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4251 			    gw_trans->repo_name, "blob", gw_trans->commit_id,
4252 			    got_tree_entry_get_name(te),
4253 			    gw_trans->repo_folder ?
4254 			    gw_trans->repo_folder : "") == -1) {
4255 				error = got_error_from_errno("asprintf");
4256 				goto done;
4257 			}
4258 			if (asprintf(&href_blame,
4259 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4260 			    gw_trans->repo_name, "blame", gw_trans->commit_id,
4261 			    got_tree_entry_get_name(te),
4262 			    gw_trans->repo_folder ?
4263 			    gw_trans->repo_folder : "") == -1) {
4264 				error = got_error_from_errno("asprintf");
4265 				goto done;
4266 			}
4267 
4268 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4269 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4270 			if (kerr != KCGI_OK)
4271 				goto done;
4272 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4273 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4274 			    KATTR__MAX);
4275 			if (kerr != KCGI_OK)
4276 				goto done;
4277 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4278 			    KATTR_HREF, href_blob, KATTR__MAX);
4279 			if (kerr != KCGI_OK)
4280 				goto done;
4281 			kerr = khtml_puts(gw_trans->gw_html_req,
4282 			    got_tree_entry_get_name(te));
4283 			if (kerr != KCGI_OK)
4284 				goto done;
4285 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
4286 			if (kerr != KCGI_OK)
4287 				goto done;
4288 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4289 			if (kerr != KCGI_OK)
4290 				goto done;
4291 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4292 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4293 			    KATTR__MAX);
4294 			if (kerr != KCGI_OK)
4295 				goto done;
4296 
4297 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4298 			    KATTR_HREF, href_blob, KATTR__MAX);
4299 			if (kerr != KCGI_OK)
4300 				goto done;
4301 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4302 			if (kerr != KCGI_OK)
4303 				goto done;
4304 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4305 			if (kerr != KCGI_OK)
4306 				goto done;
4307 
4308 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4309 			if (kerr != KCGI_OK)
4310 				goto done;
4311 
4312 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4313 			    KATTR_HREF, href_blame, KATTR__MAX);
4314 			if (kerr != KCGI_OK)
4315 				goto done;
4316 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4317 			if (kerr != KCGI_OK)
4318 				goto done;
4319 
4320 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4321 			if (kerr != KCGI_OK)
4322 				goto done;
4323 		}
4324 		free(id_str);
4325 		id_str = NULL;
4326 		free(href_blob);
4327 		href_blob = NULL;
4328 		free(build_folder);
4329 		build_folder = NULL;
4330 	}
4331 done:
4332 	if (tree)
4333 		got_object_tree_close(tree);
4334 	free(id_str);
4335 	free(href_blob);
4336 	free(href_blame);
4337 	free(in_repo_path);
4338 	free(tree_id);
4339 	free(build_folder);
4340 	if (error == NULL && kerr != KCGI_OK)
4341 		error = gw_kcgi_error(kerr);
4342 	return error;
4343 }
4344 
4345 static const struct got_error *
4346 gw_output_repo_heads(struct gw_trans *gw_trans)
4347 {
4348 	const struct got_error *error = NULL;
4349 	struct got_reflist_head refs;
4350 	struct got_reflist_entry *re;
4351 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4352 	char *href_commits = NULL;
4353 	enum kcgi_err kerr = KCGI_OK;
4354 
4355 	SIMPLEQ_INIT(&refs);
4356 
4357 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4358 	    got_ref_cmp_by_name, NULL);
4359 	if (error)
4360 		goto done;
4361 
4362 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4363 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4364 	if (kerr != KCGI_OK)
4365 		goto done;
4366 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4367 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4368 	if (kerr != KCGI_OK)
4369 		goto done;
4370 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4371 	if (kerr != KCGI_OK)
4372 		goto done;
4373 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4374 	if (kerr != KCGI_OK)
4375 		goto done;
4376 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4377 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4378 	if (kerr != KCGI_OK)
4379 		goto done;
4380 
4381 	SIMPLEQ_FOREACH(re, &refs, entry) {
4382 		const char *refname;
4383 
4384 		if (got_ref_is_symbolic(re->ref))
4385 			continue;
4386 
4387 		refname = got_ref_get_name(re->ref);
4388 		if (strncmp(refname, "refs/heads/", 11) != 0)
4389 			continue;
4390 
4391 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4392 		    refname, TM_DIFF);
4393 		if (error)
4394 			goto done;
4395 
4396 		if (strncmp(refname, "refs/heads/", 11) == 0)
4397 			refname += 11;
4398 
4399 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4400 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4401 		if (kerr != KCGI_OK)
4402 			goto done;
4403 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4404 		    KATTR_ID, "heads_age", KATTR__MAX);
4405 		if (kerr != KCGI_OK)
4406 			goto done;
4407 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4408 		if (kerr != KCGI_OK)
4409 			goto done;
4410 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4411 		if (kerr != KCGI_OK)
4412 			goto done;
4413 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4414 		    KATTR_ID, "heads_space", KATTR__MAX);
4415 		if (kerr != KCGI_OK)
4416 			goto done;
4417 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4418 		if (kerr != KCGI_OK)
4419 			goto done;
4420 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4421 		if (kerr != KCGI_OK)
4422 			goto done;
4423 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4424 		    KATTR_ID, "head", KATTR__MAX);
4425 		if (kerr != KCGI_OK)
4426 			goto done;
4427 		if (asprintf(&href_summary,
4428 		    "?path=%s&action=summary&headref=%s",
4429 		    gw_trans->repo_name, refname) == -1) {
4430 			error = got_error_from_errno("asprintf");
4431 			goto done;
4432 		}
4433 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4434 		    href_summary, KATTR__MAX);
4435 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4436 		if (kerr != KCGI_OK)
4437 			goto done;
4438 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4439 		if (kerr != KCGI_OK)
4440 			goto done;
4441 
4442 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4443 		    "navs_wrapper", KATTR__MAX);
4444 		if (kerr != KCGI_OK)
4445 			goto done;
4446 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4447 		    "navs", KATTR__MAX);
4448 		if (kerr != KCGI_OK)
4449 			goto done;
4450 
4451 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4452 		    href_summary, KATTR__MAX);
4453 		if (kerr != KCGI_OK)
4454 			goto done;
4455 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4456 		if (kerr != KCGI_OK)
4457 			goto done;
4458 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4459 		if (kerr != KCGI_OK)
4460 			goto done;
4461 
4462 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4463 		if (kerr != KCGI_OK)
4464 			goto done;
4465 		if (asprintf(&href_briefs, "?path=%s&action=briefs&headref=%s",
4466 		    gw_trans->repo_name, refname) == -1) {
4467 			error = got_error_from_errno("asprintf");
4468 			goto done;
4469 		}
4470 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4471 		    href_briefs, KATTR__MAX);
4472 		if (kerr != KCGI_OK)
4473 			goto done;
4474 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4475 		if (kerr != KCGI_OK)
4476 			goto done;
4477 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4478 		if (kerr != KCGI_OK)
4479 			goto done;
4480 
4481 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4482 		if (kerr != KCGI_OK)
4483 			goto done;
4484 
4485 		if (asprintf(&href_commits,
4486 		    "?path=%s&action=commits&headref=%s",
4487 		    gw_trans->repo_name, refname) == -1) {
4488 			error = got_error_from_errno("asprintf");
4489 			goto done;
4490 		}
4491 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4492 		    href_commits, KATTR__MAX);
4493 		if (kerr != KCGI_OK)
4494 			goto done;
4495 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4496 		if (kerr != KCGI_OK)
4497 			goto done;
4498 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4499 		if (kerr != KCGI_OK)
4500 			goto done;
4501 
4502 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4503 		    "dotted_line", KATTR__MAX);
4504 		if (kerr != KCGI_OK)
4505 			goto done;
4506 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4507 		if (kerr != KCGI_OK)
4508 			goto done;
4509 		free(href_summary);
4510 		href_summary = NULL;
4511 		free(href_briefs);
4512 		href_briefs = NULL;
4513 		free(href_commits);
4514 		href_commits = NULL;
4515 	}
4516 done:
4517 	got_ref_list_free(&refs);
4518 	free(href_summary);
4519 	free(href_briefs);
4520 	free(href_commits);
4521 	return error;
4522 }
4523 
4524 static const struct got_error *
4525 gw_output_site_link(struct gw_trans *gw_trans)
4526 {
4527 	const struct got_error *error = NULL;
4528 	char *href_summary = NULL;
4529 	enum kcgi_err kerr = KCGI_OK;
4530 
4531 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4532 	    "site_link", KATTR__MAX);
4533 	if (kerr != KCGI_OK)
4534 		goto done;
4535 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4536 	    KATTR__MAX);
4537 	if (kerr != KCGI_OK)
4538 		goto done;
4539 	kerr = khtml_puts(gw_trans->gw_html_req,
4540 	   gw_trans->gw_conf->got_site_link);
4541 	if (kerr != KCGI_OK)
4542 		goto done;
4543 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4544 	if (kerr != KCGI_OK)
4545 		goto done;
4546 
4547 	if (gw_trans->repo_name != NULL) {
4548 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4549 		if (kerr != KCGI_OK)
4550 			goto done;
4551 		if (asprintf(&href_summary, "?path=%s&action=summary",
4552 		    gw_trans->repo_name) == -1)
4553 			goto done;
4554 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4555 		    href_summary, KATTR__MAX);
4556 		if (kerr != KCGI_OK)
4557 			goto done;
4558 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4559 		if (kerr != KCGI_OK)
4560 			goto done;
4561 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4562 		if (kerr != KCGI_OK)
4563 			goto done;
4564 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4565 		if (kerr != KCGI_OK)
4566 			goto done;
4567 		kerr = khtml_puts(gw_trans->gw_html_req,
4568 		    gw_get_action_name(gw_trans));
4569 		if (kerr != KCGI_OK)
4570 			goto done;
4571 	}
4572 
4573 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4574 	if (kerr != KCGI_OK)
4575 		goto done;
4576 done:
4577 	free(href_summary);
4578 	return error;
4579 }
4580 
4581 static const struct got_error *
4582 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4583 {
4584 	const struct got_error *error = NULL;
4585 	char *color = NULL;
4586 	enum kcgi_err kerr = KCGI_OK;
4587 
4588 	if (strncmp(buf, "-", 1) == 0)
4589 		color = "diff_minus";
4590 	else if (strncmp(buf, "+", 1) == 0)
4591 		color = "diff_plus";
4592 	else if (strncmp(buf, "@@", 2) == 0)
4593 		color = "diff_chunk_header";
4594 	else if (strncmp(buf, "@@", 2) == 0)
4595 		color = "diff_chunk_header";
4596 	else if (strncmp(buf, "commit +", 8) == 0)
4597 		color = "diff_meta";
4598 	else if (strncmp(buf, "commit -", 8) == 0)
4599 		color = "diff_meta";
4600 	else if (strncmp(buf, "blob +", 6) == 0)
4601 		color = "diff_meta";
4602 	else if (strncmp(buf, "blob -", 6) == 0)
4603 		color = "diff_meta";
4604 	else if (strncmp(buf, "file +", 6) == 0)
4605 		color = "diff_meta";
4606 	else if (strncmp(buf, "file -", 6) == 0)
4607 		color = "diff_meta";
4608 	else if (strncmp(buf, "from:", 5) == 0)
4609 		color = "diff_author";
4610 	else if (strncmp(buf, "via:", 4) == 0)
4611 		color = "diff_author";
4612 	else if (strncmp(buf, "date:", 5) == 0)
4613 		color = "diff_date";
4614 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4615 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4616 	if (error == NULL && kerr != KCGI_OK)
4617 		error = gw_kcgi_error(kerr);
4618 	return error;
4619 }
4620 
4621 int
4622 main(int argc, char *argv[])
4623 {
4624 	const struct got_error *error = NULL;
4625 	struct gw_trans *gw_trans;
4626 	struct gw_dir *dir = NULL, *tdir;
4627 	const char *page = "index";
4628 	int gw_malloc = 1;
4629 	enum kcgi_err kerr = KCGI_OK;
4630 
4631 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4632 		errx(1, "malloc");
4633 
4634 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4635 		errx(1, "malloc");
4636 
4637 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4638 		errx(1, "malloc");
4639 
4640 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4641 		errx(1, "malloc");
4642 
4643 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4644 	if (kerr != KCGI_OK) {
4645 		error = gw_kcgi_error(kerr);
4646 		goto done;
4647 	}
4648 
4649 	if ((gw_trans->gw_conf =
4650 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
4651 		gw_malloc = 0;
4652 		error = got_error_from_errno("malloc");
4653 		goto done;
4654 	}
4655 
4656 	TAILQ_INIT(&gw_trans->gw_dirs);
4657 	TAILQ_INIT(&gw_trans->gw_headers);
4658 
4659 	gw_trans->action = -1;
4660 	gw_trans->page = 0;
4661 	gw_trans->repos_total = 0;
4662 	gw_trans->repo_path = NULL;
4663 	gw_trans->commit_id = NULL;
4664 	gw_trans->next_id = NULL;
4665 	gw_trans->next_prev_id = NULL;
4666 	gw_trans->prev_id = NULL;
4667 	gw_trans->prev_prev_id = NULL;
4668 	gw_trans->headref = GOT_REF_HEAD;
4669 	gw_trans->mime = KMIME_TEXT_HTML;
4670 	gw_trans->gw_tmpl->key = gw_templs;
4671 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4672 	gw_trans->gw_tmpl->arg = gw_trans;
4673 	gw_trans->gw_tmpl->cb = gw_template;
4674 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
4675 	if (error)
4676 		goto done;
4677 
4678 	error = gw_parse_querystring(gw_trans);
4679 	if (error)
4680 		goto done;
4681 
4682 	if (gw_trans->action == GW_BLOB)
4683 		error = gw_blob(gw_trans);
4684 	else
4685 		error = gw_display_index(gw_trans);
4686 done:
4687 	if (gw_malloc) {
4688 		free(gw_trans->gw_conf->got_repos_path);
4689 		free(gw_trans->gw_conf->got_site_name);
4690 		free(gw_trans->gw_conf->got_site_owner);
4691 		free(gw_trans->gw_conf->got_site_link);
4692 		free(gw_trans->gw_conf->got_logo);
4693 		free(gw_trans->gw_conf->got_logo_url);
4694 		free(gw_trans->gw_conf);
4695 		free(gw_trans->commit_id);
4696 		free(gw_trans->next_id);
4697 		free(gw_trans->next_prev_id);
4698 		free(gw_trans->prev_id);
4699 		free(gw_trans->prev_prev_id);
4700 		free(gw_trans->repo_path);
4701 		if (gw_trans->repo)
4702 			got_repo_close(gw_trans->repo);
4703 
4704 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4705 			free(dir->name);
4706 			free(dir->description);
4707 			free(dir->age);
4708 			free(dir->url);
4709 			free(dir->path);
4710 			free(dir);
4711 		}
4712 
4713 	}
4714 
4715 	khttp_free(gw_trans->gw_req);
4716 	return 0;
4717 }