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_printf(gw_trans->gw_req, "Error: %s",
2354 			    error->msg);
2355 			if (kerr != KCGI_OK)
2356 				return 0;
2357 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2358 			if (kerr != KCGI_OK)
2359 				return 0;
2360 		}
2361 		break;
2362 	default:
2363 		return 0;
2364 	}
2365 	return 1;
2366 }
2367 
2368 static const struct got_error *
2369 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2370 {
2371 	const struct got_error *error = NULL;
2372 	enum kcgi_err kerr = KCGI_OK;
2373 
2374 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2375 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2376 	if (kerr != KCGI_OK)
2377 		goto done;
2378 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2379 	if (kerr != KCGI_OK)
2380 		goto done;
2381 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2382 	if (kerr != KCGI_OK)
2383 		goto done;
2384 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2385 	    KATTR_ID, "header_commit", KATTR__MAX);
2386 	if (kerr != KCGI_OK)
2387 		goto done;
2388 	kerr = khtml_puts(gw_trans->gw_html_req, str1);
2389 	if (kerr != KCGI_OK)
2390 		goto done;
2391 	kerr = khtml_puts(gw_trans->gw_html_req, " ");
2392 	if (kerr != KCGI_OK)
2393 		goto done;
2394 	if (str2 != NULL) {
2395 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2396 		    KATTR_ID, "refs_str", KATTR__MAX);
2397 		if (kerr != KCGI_OK)
2398 			goto done;
2399 		kerr = khtml_puts(gw_trans->gw_html_req, "(");
2400 		if (kerr != KCGI_OK)
2401 			goto done;
2402 		kerr = khtml_puts(gw_trans->gw_html_req, str2);
2403 		if (kerr != KCGI_OK)
2404 			goto done;
2405 		kerr = khtml_puts(gw_trans->gw_html_req, ")");
2406 		if (kerr != KCGI_OK)
2407 			goto done;
2408 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2409 		if (kerr != KCGI_OK)
2410 			goto done;
2411 	}
2412 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2413 done:
2414 	if (error == NULL && kerr != KCGI_OK)
2415 		error = gw_kcgi_error(kerr);
2416 	return error;
2417 }
2418 
2419 static const struct got_error *
2420 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2421 {
2422 	const struct got_error *error = NULL;
2423 	enum kcgi_err kerr = KCGI_OK;
2424 
2425 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2426 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2427 	if (kerr != KCGI_OK)
2428 		goto done;
2429 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2430 	if (kerr != KCGI_OK)
2431 		goto done;
2432 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2433 	if (kerr != KCGI_OK)
2434 		goto done;
2435 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2436 	    KATTR_ID, "header_diff", KATTR__MAX);
2437 	if (kerr != KCGI_OK)
2438 		goto done;
2439 	if (str1 != NULL) {
2440 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2441 		if (kerr != KCGI_OK)
2442 			goto done;
2443 	}
2444 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2445 	if (kerr != KCGI_OK)
2446 		goto done;
2447 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2448 	if (kerr != KCGI_OK)
2449 		goto done;
2450 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2451 done:
2452 	if (error == NULL && kerr != KCGI_OK)
2453 		error = gw_kcgi_error(kerr);
2454 	return error;
2455 }
2456 
2457 static const struct got_error *
2458 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2459 {
2460 	const struct got_error *error = NULL;
2461 	enum kcgi_err kerr = KCGI_OK;
2462 
2463 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2464 	    KATTR_ID, "header_age_title", KATTR__MAX);
2465 	if (kerr != KCGI_OK)
2466 		goto done;
2467 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2468 	if (kerr != KCGI_OK)
2469 		goto done;
2470 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2471 	if (kerr != KCGI_OK)
2472 		goto done;
2473 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2474 	    KATTR_ID, "header_age", KATTR__MAX);
2475 	if (kerr != KCGI_OK)
2476 		goto done;
2477 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2478 	if (kerr != KCGI_OK)
2479 		goto done;
2480 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2481 done:
2482 	if (error == NULL && kerr != KCGI_OK)
2483 		error = gw_kcgi_error(kerr);
2484 	return error;
2485 }
2486 
2487 static const struct got_error *
2488 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2489 {
2490 	const struct got_error *error = NULL;
2491 	enum kcgi_err kerr = KCGI_OK;
2492 
2493 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2494 	    KATTR_ID, "header_author_title", KATTR__MAX);
2495 	if (kerr != KCGI_OK)
2496 		goto done;
2497 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2498 	if (kerr != KCGI_OK)
2499 		goto done;
2500 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2501 	if (kerr != KCGI_OK)
2502 		goto done;
2503 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2504 	    KATTR_ID, "header_author", KATTR__MAX);
2505 	if (kerr != KCGI_OK)
2506 		goto done;
2507 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2508 	if (kerr != KCGI_OK)
2509 		goto done;
2510 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2511 done:
2512 	if (error == NULL && kerr != KCGI_OK)
2513 		error = gw_kcgi_error(kerr);
2514 	return error;
2515 }
2516 
2517 static const struct got_error *
2518 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2519 {
2520 	const struct got_error *error = NULL;
2521 	enum kcgi_err kerr = KCGI_OK;
2522 
2523 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2524 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2525 	if (kerr != KCGI_OK)
2526 		goto done;
2527 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2528 	if (kerr != KCGI_OK)
2529 		goto done;
2530 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2531 	if (kerr != KCGI_OK)
2532 		goto done;
2533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2534 	    KATTR_ID, "header_committer", KATTR__MAX);
2535 	if (kerr != KCGI_OK)
2536 		goto done;
2537 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2538 	if (kerr != KCGI_OK)
2539 		goto done;
2540 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2541 done:
2542 	if (error == NULL && kerr != KCGI_OK)
2543 		error = gw_kcgi_error(kerr);
2544 	return error;
2545 }
2546 
2547 static const struct got_error *
2548 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2549 {
2550 	const struct got_error *error = NULL;
2551 	enum kcgi_err kerr = KCGI_OK;
2552 
2553 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2554 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2555 	if (kerr != KCGI_OK)
2556 		goto done;
2557 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2558 	if (kerr != KCGI_OK)
2559 		goto done;
2560 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2561 	if (kerr != KCGI_OK)
2562 		goto done;
2563 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2564 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2565 	if (kerr != KCGI_OK)
2566 		goto done;
2567 	kerr = khttp_puts(gw_trans->gw_req, str);
2568 	if (kerr != KCGI_OK)
2569 		goto done;
2570 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2571 done:
2572 	if (error == NULL && kerr != KCGI_OK)
2573 		error = gw_kcgi_error(kerr);
2574 	return error;
2575 }
2576 
2577 static const struct got_error *
2578 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2579 {
2580 	const struct got_error *error = NULL;
2581 	enum kcgi_err kerr = KCGI_OK;
2582 
2583 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2584 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2585 	if (kerr != KCGI_OK)
2586 		goto done;
2587 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2588 	if (kerr != KCGI_OK)
2589 		goto done;
2590 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2591 	if (kerr != KCGI_OK)
2592 		goto done;
2593 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2594 	    KATTR_ID, "header_tree", KATTR__MAX);
2595 	if (kerr != KCGI_OK)
2596 		goto done;
2597 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2598 	if (kerr != KCGI_OK)
2599 		goto done;
2600 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2601 done:
2602 	if (error == NULL && kerr != KCGI_OK)
2603 		error = gw_kcgi_error(kerr);
2604 	return error;
2605 }
2606 
2607 static const struct got_error *
2608 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2609     char *dir)
2610 {
2611 	const struct got_error *error = NULL;
2612 	FILE *f = NULL;
2613 	char *d_file = NULL;
2614 	unsigned int len;
2615 	size_t n;
2616 
2617 	*description = NULL;
2618 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2619 		return NULL;
2620 
2621 	if (asprintf(&d_file, "%s/description", dir) == -1)
2622 		return got_error_from_errno("asprintf");
2623 
2624 	f = fopen(d_file, "r");
2625 	if (f == NULL) {
2626 		if (errno == ENOENT || errno == EACCES)
2627 			return NULL;
2628 		error = got_error_from_errno2("fopen", d_file);
2629 		goto done;
2630 	}
2631 
2632 	if (fseek(f, 0, SEEK_END) == -1) {
2633 		error = got_ferror(f, GOT_ERR_IO);
2634 		goto done;
2635 	}
2636 	len = ftell(f);
2637 	if (len == -1) {
2638 		error = got_ferror(f, GOT_ERR_IO);
2639 		goto done;
2640 	}
2641 	if (fseek(f, 0, SEEK_SET) == -1) {
2642 		error = got_ferror(f, GOT_ERR_IO);
2643 		goto done;
2644 	}
2645 	*description = calloc(len + 1, sizeof(**description));
2646 	if (*description == NULL) {
2647 		error = got_error_from_errno("calloc");
2648 		goto done;
2649 	}
2650 
2651 	n = fread(*description, 1, len, f);
2652 	if (n == 0 && ferror(f))
2653 		error = got_ferror(f, GOT_ERR_IO);
2654 done:
2655 	if (f != NULL && fclose(f) == -1 && error == NULL)
2656 		error = got_error_from_errno("fclose");
2657 	free(d_file);
2658 	return error;
2659 }
2660 
2661 static const struct got_error *
2662 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2663 {
2664 	struct tm tm;
2665 	time_t diff_time;
2666 	char *years = "years ago", *months = "months ago";
2667 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2668 	char *minutes = "minutes ago", *seconds = "seconds ago";
2669 	char *now = "right now";
2670 	char *s;
2671 	char datebuf[29];
2672 
2673 	*repo_age = NULL;
2674 
2675 	switch (ref_tm) {
2676 	case TM_DIFF:
2677 		diff_time = time(NULL) - committer_time;
2678 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2679 			if (asprintf(repo_age, "%lld %s",
2680 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2681 				return got_error_from_errno("asprintf");
2682 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2683 			if (asprintf(repo_age, "%lld %s",
2684 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2685 			    months) == -1)
2686 				return got_error_from_errno("asprintf");
2687 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2688 			if (asprintf(repo_age, "%lld %s",
2689 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2690 				return got_error_from_errno("asprintf");
2691 		} else if (diff_time > 60 * 60 * 24 * 2) {
2692 			if (asprintf(repo_age, "%lld %s",
2693 			    (diff_time / 60 / 60 / 24), days) == -1)
2694 				return got_error_from_errno("asprintf");
2695 		} else if (diff_time > 60 * 60 * 2) {
2696 			if (asprintf(repo_age, "%lld %s",
2697 			    (diff_time / 60 / 60), hours) == -1)
2698 				return got_error_from_errno("asprintf");
2699 		} else if (diff_time > 60 * 2) {
2700 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2701 			    minutes) == -1)
2702 				return got_error_from_errno("asprintf");
2703 		} else if (diff_time > 2) {
2704 			if (asprintf(repo_age, "%lld %s", diff_time,
2705 			    seconds) == -1)
2706 				return got_error_from_errno("asprintf");
2707 		} else {
2708 			if (asprintf(repo_age, "%s", now) == -1)
2709 				return got_error_from_errno("asprintf");
2710 		}
2711 		break;
2712 	case TM_LONG:
2713 		if (gmtime_r(&committer_time, &tm) == NULL)
2714 			return got_error_from_errno("gmtime_r");
2715 
2716 		s = asctime_r(&tm, datebuf);
2717 		if (s == NULL)
2718 			return got_error_from_errno("asctime_r");
2719 
2720 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2721 			return got_error_from_errno("asprintf");
2722 		break;
2723 	}
2724 	return NULL;
2725 }
2726 
2727 static const struct got_error *
2728 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2729     const char *refname, int ref_tm)
2730 {
2731 	const struct got_error *error = NULL;
2732 	struct got_repository *repo = NULL;
2733 	struct got_commit_object *commit = NULL;
2734 	struct got_reflist_head refs;
2735 	struct got_reflist_entry *re;
2736 	time_t committer_time = 0, cmp_time = 0;
2737 
2738 	*repo_age = NULL;
2739 	SIMPLEQ_INIT(&refs);
2740 
2741 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2742 		return NULL;
2743 
2744 	if (gw_trans->repo)
2745 		repo = gw_trans->repo;
2746 	else {
2747 		error = got_repo_open(&repo, dir, NULL);
2748 		if (error)
2749 			return error;
2750 	}
2751 
2752 	error = got_ref_list(&refs, repo, "refs/heads",
2753 	    got_ref_cmp_by_name, NULL);
2754 	if (error)
2755 		goto done;
2756 
2757 	/*
2758 	 * Find the youngest branch tip in the repository, or the age of
2759 	 * the a specific branch tip if a name was provided by the caller.
2760 	 */
2761 	SIMPLEQ_FOREACH(re, &refs, entry) {
2762 		struct got_object_id *id = NULL;
2763 
2764 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2765 			continue;
2766 
2767 		error = got_ref_resolve(&id, repo, re->ref);
2768 		if (error)
2769 			goto done;
2770 
2771 		error = got_object_open_as_commit(&commit, repo, id);
2772 		free(id);
2773 		if (error)
2774 			goto done;
2775 
2776 		committer_time =
2777 		    got_object_commit_get_committer_time(commit);
2778 		got_object_commit_close(commit);
2779 		if (cmp_time < committer_time)
2780 			cmp_time = committer_time;
2781 
2782 		if (refname)
2783 			break;
2784 	}
2785 
2786 	if (cmp_time != 0) {
2787 		committer_time = cmp_time;
2788 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2789 	}
2790 done:
2791 	got_ref_list_free(&refs);
2792 	if (gw_trans->repo == NULL)
2793 		got_repo_close(repo);
2794 	return error;
2795 }
2796 
2797 static const struct got_error *
2798 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2799 {
2800 	const struct got_error *error;
2801 	FILE *f = NULL;
2802 	struct got_object_id *id1 = NULL, *id2 = NULL;
2803 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2804 	int obj_type;
2805 	size_t linesize = 0;
2806 	ssize_t linelen;
2807 	enum kcgi_err kerr = KCGI_OK;
2808 
2809 	f = got_opentemp();
2810 	if (f == NULL)
2811 		return NULL;
2812 
2813 	if (header->parent_id != NULL &&
2814 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2815 		error = got_repo_match_object_id(&id1, &label1,
2816 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2817 		if (error)
2818 			goto done;
2819 	}
2820 
2821 	error = got_repo_match_object_id(&id2, &label2,
2822 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2823 	if (error)
2824 		goto done;
2825 
2826 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2827 	if (error)
2828 		goto done;
2829 	switch (obj_type) {
2830 	case GOT_OBJ_TYPE_BLOB:
2831 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2832 		    gw_trans->repo, f);
2833 		break;
2834 	case GOT_OBJ_TYPE_TREE:
2835 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2836 		    gw_trans->repo, f);
2837 		break;
2838 	case GOT_OBJ_TYPE_COMMIT:
2839 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2840 		    gw_trans->repo, f);
2841 		break;
2842 	default:
2843 		error = got_error(GOT_ERR_OBJ_TYPE);
2844 	}
2845 	if (error)
2846 		goto done;
2847 
2848 	if (fseek(f, 0, SEEK_SET) == -1) {
2849 		error = got_ferror(f, GOT_ERR_IO);
2850 		goto done;
2851 	}
2852 
2853 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2854 		error = gw_colordiff_line(gw_trans, line);
2855 		if (error)
2856 			goto done;
2857 		/* XXX: KHTML_PRETTY breaks this */
2858 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2859 		if (kerr != KCGI_OK)
2860 			goto done;
2861 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2862 		if (kerr != KCGI_OK)
2863 			goto done;
2864 	}
2865 	if (linelen == -1 && ferror(f))
2866 		error = got_error_from_errno("getline");
2867 done:
2868 	if (f && fclose(f) == -1 && error == NULL)
2869 		error = got_error_from_errno("fclose");
2870 	free(line);
2871 	free(label1);
2872 	free(label2);
2873 	free(id1);
2874 	free(id2);
2875 
2876 	if (error == NULL && kerr != KCGI_OK)
2877 		error = gw_kcgi_error(kerr);
2878 	return error;
2879 }
2880 
2881 static const struct got_error *
2882 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2883 {
2884 	const struct got_error *error = NULL;
2885 	struct got_repository *repo;
2886 	const char *gitconfig_owner;
2887 
2888 	*owner = NULL;
2889 
2890 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2891 		return NULL;
2892 
2893 	error = got_repo_open(&repo, dir, NULL);
2894 	if (error)
2895 		return error;
2896 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2897 	if (gitconfig_owner) {
2898 		*owner = strdup(gitconfig_owner);
2899 		if (*owner == NULL)
2900 			error = got_error_from_errno("strdup");
2901 	}
2902 	got_repo_close(repo);
2903 	return error;
2904 }
2905 
2906 static const struct got_error *
2907 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2908 {
2909 	const struct got_error *error = NULL;
2910 	FILE *f;
2911 	char *d_file = NULL;
2912 	unsigned int len;
2913 	size_t n;
2914 
2915 	*url = NULL;
2916 
2917 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2918 		return got_error_from_errno("asprintf");
2919 
2920 	f = fopen(d_file, "r");
2921 	if (f == NULL) {
2922 		if (errno != ENOENT && errno != EACCES)
2923 			error = got_error_from_errno2("fopen", d_file);
2924 		goto done;
2925 	}
2926 
2927 	if (fseek(f, 0, SEEK_END) == -1) {
2928 		error = got_ferror(f, GOT_ERR_IO);
2929 		goto done;
2930 	}
2931 	len = ftell(f);
2932 	if (len == -1) {
2933 		error = got_ferror(f, GOT_ERR_IO);
2934 		goto done;
2935 	}
2936 	if (fseek(f, 0, SEEK_SET) == -1) {
2937 		error = got_ferror(f, GOT_ERR_IO);
2938 		goto done;
2939 	}
2940 
2941 	*url = calloc(len + 1, sizeof(**url));
2942 	if (*url == NULL) {
2943 		error = got_error_from_errno("calloc");
2944 		goto done;
2945 	}
2946 
2947 	n = fread(*url, 1, len, f);
2948 	if (n == 0 && ferror(f))
2949 		error = got_ferror(f, GOT_ERR_IO);
2950 done:
2951 	if (f && fclose(f) == -1 && error == NULL)
2952 		error = got_error_from_errno("fclose");
2953 	free(d_file);
2954 	return NULL;
2955 }
2956 
2957 static const struct got_error *
2958 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2959     int limit, int tag_type)
2960 {
2961 	const struct got_error *error = NULL;
2962 	struct got_reflist_head refs;
2963 	struct got_reflist_entry *re;
2964 	char *age = NULL;
2965 	char *id_str = NULL, *newline, *href_commits = NULL;
2966 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2967 	struct got_tag_object *tag = NULL;
2968 	enum kcgi_err kerr = KCGI_OK;
2969 	int summary_header_displayed = 0, start_tag = 0, chk_next = 0;
2970 	int prev_set = 0, tag_count = 0;
2971 
2972 	SIMPLEQ_INIT(&refs);
2973 
2974 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2975 	    got_ref_cmp_tags, gw_trans->repo);
2976 	if (error)
2977 		goto done;
2978 
2979 	SIMPLEQ_FOREACH(re, &refs, entry) {
2980 		const char *refname;
2981 		const char *tagger;
2982 		const char *tag_commit;
2983 		time_t tagger_time;
2984 		struct got_object_id *id;
2985 		struct got_commit_object *commit = NULL;
2986 
2987 		refname = got_ref_get_name(re->ref);
2988 		if (strncmp(refname, "refs/tags/", 10) != 0)
2989 			continue;
2990 		refname += 10;
2991 
2992 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
2993 		if (error)
2994 			goto done;
2995 
2996 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
2997 		if (error) {
2998 			if (error->code != GOT_ERR_OBJ_TYPE) {
2999 				free(id);
3000 				goto done;
3001 			}
3002 			/* "lightweight" tag */
3003 			error = got_object_open_as_commit(&commit,
3004 			    gw_trans->repo, id);
3005 			if (error) {
3006 				free(id);
3007 				goto done;
3008 			}
3009 			tagger = got_object_commit_get_committer(commit);
3010 			tagger_time =
3011 			    got_object_commit_get_committer_time(commit);
3012 			error = got_object_id_str(&id_str, id);
3013 			free(id);
3014 		} else {
3015 			free(id);
3016 			tagger = got_object_tag_get_tagger(tag);
3017 			tagger_time = got_object_tag_get_tagger_time(tag);
3018 			error = got_object_id_str(&id_str,
3019 			    got_object_tag_get_object_id(tag));
3020 		}
3021 		if (error)
3022 			goto done;
3023 
3024 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3025 		    strlen(id_str)) != 0)
3026 			continue;
3027 
3028 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3029 		    start_tag == 0 && strncmp(id_str, header->commit_id,
3030 		    strlen(id_str)) != 0) {
3031 			continue;
3032 		} else {
3033 			start_tag = 1;
3034 		}
3035 
3036 		tag_count++;
3037 
3038 		if (prev_set == 0 && start_tag == 1) {
3039 			gw_trans->next_prev_id = strdup(id_str);
3040 			if (gw_trans->next_prev_id == NULL) {
3041 				error = got_error_from_errno("strdup");
3042 				goto done;
3043 			}
3044 			prev_set = 1;
3045 		}
3046 
3047 		if (chk_next) {
3048 			gw_trans->next_id = strdup(id_str);
3049 			if (gw_trans->next_id == NULL)
3050 				error = got_error_from_errno("strdup");
3051 			goto done;
3052 		}
3053 
3054 		if (commit) {
3055 			error = got_object_commit_get_logmsg(&tag_commit0,
3056 			    commit);
3057 			if (error)
3058 				goto done;
3059 			got_object_commit_close(commit);
3060 		} else {
3061 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3062 			if (tag_commit0 == NULL) {
3063 				error = got_error_from_errno("strdup");
3064 				goto done;
3065 			}
3066 		}
3067 
3068 		tag_commit = tag_commit0;
3069 		while (*tag_commit == '\n')
3070 			tag_commit++;
3071 
3072 		switch (tag_type) {
3073 		case TAGBRIEF:
3074 			newline = strchr(tag_commit, '\n');
3075 			if (newline)
3076 				*newline = '\0';
3077 
3078 			if (summary_header_displayed == 0) {
3079 				kerr = khtml_attr(gw_trans->gw_html_req,
3080 				    KELEM_DIV, KATTR_ID,
3081 				    "summary_tags_title_wrapper", KATTR__MAX);
3082 				if (kerr != KCGI_OK)
3083 					goto done;
3084 				kerr = khtml_attr(gw_trans->gw_html_req,
3085 				    KELEM_DIV, KATTR_ID,
3086 				    "summary_tags_title", KATTR__MAX);
3087 				if (kerr != KCGI_OK)
3088 					goto done;
3089 				kerr = khtml_puts(gw_trans->gw_html_req,
3090 				    "Tags");
3091 				if (kerr != KCGI_OK)
3092 					goto done;
3093 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3094 				    2);
3095 				if (kerr != KCGI_OK)
3096 					goto done;
3097 				kerr = khtml_attr(gw_trans->gw_html_req,
3098 				    KELEM_DIV, KATTR_ID,
3099 				    "summary_tags_content", KATTR__MAX);
3100 				if (kerr != KCGI_OK)
3101 					goto done;
3102 				summary_header_displayed = 1;
3103 			}
3104 
3105 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3106 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3107 			if (kerr != KCGI_OK)
3108 				goto done;
3109 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3110 			    KATTR_ID, "tag_age", KATTR__MAX);
3111 			if (kerr != KCGI_OK)
3112 				goto done;
3113 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3114 			if (error)
3115 				goto done;
3116 			kerr = khtml_puts(gw_trans->gw_html_req,
3117 			    age ? age : "");
3118 			if (kerr != KCGI_OK)
3119 				goto done;
3120 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3121 			if (kerr != KCGI_OK)
3122 				goto done;
3123 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3124 			    KATTR_ID, "tag", KATTR__MAX);
3125 			if (kerr != KCGI_OK)
3126 				goto done;
3127 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3128 			if (kerr != KCGI_OK)
3129 				goto done;
3130 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3131 			if (kerr != KCGI_OK)
3132 				goto done;
3133 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3134 			    KATTR_ID, "tag_name", KATTR__MAX);
3135 			if (kerr != KCGI_OK)
3136 				goto done;
3137 			if (asprintf(&href_tag, "?path=%s&action=tag&commit=%s",
3138 			    gw_trans->repo_name, id_str) == -1) {
3139 				error = got_error_from_errno("asprintf");
3140 				goto done;
3141 			}
3142 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3143 			    KATTR_HREF, href_tag, KATTR__MAX);
3144 			if (kerr != KCGI_OK)
3145 				goto done;
3146 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3147 			if (kerr != KCGI_OK)
3148 				goto done;
3149 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3150 			if (kerr != KCGI_OK)
3151 				goto done;
3152 
3153 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3154 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3155 			if (kerr != KCGI_OK)
3156 				goto done;
3157 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3158 			    KATTR_ID, "navs", KATTR__MAX);
3159 			if (kerr != KCGI_OK)
3160 				goto done;
3161 
3162 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3163 			    KATTR_HREF, href_tag, KATTR__MAX);
3164 			if (kerr != KCGI_OK)
3165 				goto done;
3166 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3167 			if (kerr != KCGI_OK)
3168 				goto done;
3169 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3170 			if (kerr != KCGI_OK)
3171 				goto done;
3172 
3173 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3174 			if (kerr != KCGI_OK)
3175 				goto done;
3176 			if (asprintf(&href_briefs,
3177 			    "?path=%s&action=briefs&commit=%s",
3178 			    gw_trans->repo_name, id_str) == -1) {
3179 				error = got_error_from_errno("asprintf");
3180 				goto done;
3181 			}
3182 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3183 			    KATTR_HREF, href_briefs, KATTR__MAX);
3184 			if (kerr != KCGI_OK)
3185 				goto done;
3186 			kerr = khtml_puts(gw_trans->gw_html_req,
3187 			    "commit briefs");
3188 			if (kerr != KCGI_OK)
3189 				goto done;
3190 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3191 			if (kerr != KCGI_OK)
3192 				goto done;
3193 
3194 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3195 			if (kerr != KCGI_OK)
3196 				goto done;
3197 
3198 			if (asprintf(&href_commits,
3199 			    "?path=%s&action=commits&commit=%s",
3200 			    gw_trans->repo_name, id_str) == -1) {
3201 				error = got_error_from_errno("asprintf");
3202 				goto done;
3203 			}
3204 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3205 			    KATTR_HREF, href_commits, KATTR__MAX);
3206 			if (kerr != KCGI_OK)
3207 				goto done;
3208 			kerr = khtml_puts(gw_trans->gw_html_req,
3209 			    "commits");
3210 			if (kerr != KCGI_OK)
3211 				goto done;
3212 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3213 			if (kerr != KCGI_OK)
3214 				goto done;
3215 
3216 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3217 			    KATTR_ID, "dotted_line", KATTR__MAX);
3218 			if (kerr != KCGI_OK)
3219 				goto done;
3220 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3221 			if (kerr != KCGI_OK)
3222 				goto done;
3223 			break;
3224 		case TAGFULL:
3225 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3226 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3227 			if (kerr != KCGI_OK)
3228 				goto done;
3229 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3230 			if (kerr != KCGI_OK)
3231 				goto done;
3232 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3233 			if (kerr != KCGI_OK)
3234 				goto done;
3235 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3236 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3237 			if (kerr != KCGI_OK)
3238 				goto done;
3239 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3240 			if (error)
3241 				goto done;
3242 			kerr = khtml_puts(gw_trans->gw_html_req,
3243 			    age ? age : "");
3244 			if (kerr != KCGI_OK)
3245 				goto done;
3246 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3247 			if (kerr != KCGI_OK)
3248 				goto done;
3249 
3250 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3251 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3252 			if (kerr != KCGI_OK)
3253 				goto done;
3254 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3255 			if (kerr != KCGI_OK)
3256 				goto done;
3257 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3258 			if (kerr != KCGI_OK)
3259 				goto done;
3260 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3261 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3262 			if (kerr != KCGI_OK)
3263 				goto done;
3264 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3265 			if (kerr != KCGI_OK)
3266 				goto done;
3267 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3268 			if (kerr != KCGI_OK)
3269 				goto done;
3270 
3271 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3272 			    KATTR_ID, "tag_info", KATTR__MAX);
3273 			if (kerr != KCGI_OK)
3274 				goto done;
3275 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3276 			if (kerr != KCGI_OK)
3277 				goto done;
3278 			break;
3279 		default:
3280 			break;
3281 		}
3282 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3283 		if (kerr != KCGI_OK)
3284 			goto done;
3285 
3286 		if (limit && --limit == 0)
3287 			chk_next = 1;
3288 
3289 		if (tag)
3290 			got_object_tag_close(tag);
3291 		tag = NULL;
3292 		free(id_str);
3293 		id_str = NULL;
3294 		free(age);
3295 		age = NULL;
3296 		free(tag_commit0);
3297 		tag_commit0 = NULL;
3298 		free(href_tag);
3299 		href_tag = NULL;
3300 		free(href_briefs);
3301 		href_briefs = NULL;
3302 		free(href_commits);
3303 		href_commits = NULL;
3304 	}
3305 	if (tag_count == 0) {
3306 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3307 		    "summary_tags_title_wrapper", KATTR__MAX);
3308 		if (kerr != KCGI_OK)
3309 			goto done;
3310 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3311 		    "summary_tags_title", KATTR__MAX);
3312 		if (kerr != KCGI_OK)
3313 			goto done;
3314 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3315 		if (kerr != KCGI_OK)
3316 			goto done;
3317 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3318 		if (kerr != KCGI_OK)
3319 			goto done;
3320 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3321 		    "summary_tags_content", KATTR__MAX);
3322 		if (kerr != KCGI_OK)
3323 			goto done;
3324 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3325 		    "tags_info", KATTR__MAX);
3326 		if (kerr != KCGI_OK)
3327 			goto done;
3328 		kerr = khttp_puts(gw_trans->gw_req,
3329 		    "There are no tags for this repo.");
3330 		if (kerr != KCGI_OK)
3331 			goto done;
3332 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3333 	}
3334 done:
3335 	if (tag)
3336 		got_object_tag_close(tag);
3337 	free(id_str);
3338 	free(age);
3339 	free(tag_commit0);
3340 	free(href_tag);
3341 	free(href_briefs);
3342 	free(href_commits);
3343 	got_ref_list_free(&refs);
3344 	if (error == NULL && kerr != KCGI_OK)
3345 		error = gw_kcgi_error(kerr);
3346 	return error;
3347 }
3348 
3349 static void
3350 gw_free_header(struct gw_header *header)
3351 {
3352 	free(header->path);
3353 	free(header->author);
3354 	free(header->committer);
3355 	free(header->refs_str);
3356 	free(header->commit_id);
3357 	free(header->parent_id);
3358 	free(header->tree_id);
3359 	free(header->commit_msg);
3360 }
3361 
3362 static struct gw_header *
3363 gw_init_header()
3364 {
3365 	struct gw_header *header;
3366 
3367 	header = malloc(sizeof(*header));
3368 	if (header == NULL)
3369 		return NULL;
3370 
3371 	header->path = NULL;
3372 	SIMPLEQ_INIT(&header->refs);
3373 
3374 	header->refs_str = NULL;
3375 	header->commit_id = NULL;
3376 	header->committer = NULL;
3377 	header->author = NULL;
3378 	header->parent_id = NULL;
3379 	header->tree_id = NULL;
3380 	header->commit_msg = NULL;
3381 
3382 	return header;
3383 }
3384 
3385 static const struct got_error *
3386 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3387     int limit, struct got_object_id *id)
3388 {
3389 	const struct got_error *error = NULL;
3390 	struct got_commit_graph *graph = NULL;
3391 	struct got_commit_object *commit = NULL;
3392 	int chk_next = 0, chk_multi = 0, prev_set = 0;
3393 
3394 	error = got_commit_graph_open(&graph, header->path, 0);
3395 	if (error)
3396 		return error;
3397 
3398 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3399 	    NULL);
3400 	if (error)
3401 		goto done;
3402 
3403 	for (;;) {
3404 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3405 		    NULL, NULL);
3406 		if (error) {
3407 			if (error->code == GOT_ERR_ITER_COMPLETED)
3408 				error = NULL;
3409 			goto done;
3410 		}
3411 		if (id == NULL)
3412 			goto done;
3413 
3414 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3415 			if (error)
3416 				goto done;
3417 		if (limit == 1 && chk_multi == 0 &&
3418 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3419 			error = gw_get_commit(gw_trans, header, commit, id);
3420 			if (error)
3421 				goto done;
3422 		} else {
3423 			chk_multi = 1;
3424 			struct gw_header *n_header = NULL;
3425 			if ((n_header = gw_init_header()) == NULL) {
3426 				error = got_error_from_errno("malloc");
3427 				goto done;
3428 			}
3429 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3430 			    NULL, got_ref_cmp_by_name, NULL);
3431 			if (error)
3432 				goto done;
3433 
3434 			error = gw_get_commit(gw_trans, n_header, commit, id);
3435 			if (error)
3436 				goto done;
3437 			got_ref_list_free(&n_header->refs);
3438 
3439 			/*
3440 			 * we have a commit_id now, so copy it to next_prev_id
3441 			 * for navigation through gw_briefs and gw_commits
3442 			 */
3443 			if (gw_trans->next_prev_id == NULL && prev_set == 0 &&
3444 			    (gw_trans->action == GW_BRIEFS ||
3445 			     gw_trans->action == GW_COMMITS ||
3446 			     gw_trans->action == GW_SUMMARY)) {
3447 				prev_set = 1;
3448 				gw_trans->next_prev_id =
3449 				    strdup(n_header->commit_id);
3450 				if (gw_trans->next_prev_id == NULL) {
3451 					error = got_error_from_errno("strdup");
3452 					goto done;
3453 				}
3454 			}
3455 
3456 			/*
3457 			 * check for one more commit before breaking,
3458 			 * so we know whether to navicate through gw_briefs
3459 			 * gw_commits and gw_summary
3460 			 */
3461 			if (chk_next && (gw_trans->action == GW_BRIEFS||
3462 			    gw_trans->action == GW_COMMITS ||
3463 			    gw_trans->action == GW_SUMMARY)) {
3464 				gw_trans->next_id = strdup(n_header->commit_id);
3465 				if (gw_trans->next_id == NULL)
3466 					error = got_error_from_errno("strdup");
3467 				goto done;
3468 			}
3469 
3470 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3471 			    entry);
3472 		}
3473 		if (error || (limit && --limit == 0)) {
3474 			if (chk_multi == 0)
3475 				break;
3476 			chk_next = 1;
3477 		}
3478 	}
3479 done:
3480 	if (commit != NULL)
3481 		got_object_commit_close(commit);
3482 	if (graph)
3483 		got_commit_graph_close(graph);
3484 	return error;
3485 }
3486 
3487 static const struct got_error *
3488 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3489     struct got_commit_object *commit, struct got_object_id *id)
3490 {
3491 	const struct got_error *error = NULL;
3492 	struct got_reflist_entry *re;
3493 	struct got_object_id *id2 = NULL;
3494 	struct got_object_qid *parent_id;
3495 	char *commit_msg = NULL, *commit_msg0;
3496 
3497 	/*print commit*/
3498 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3499 		char *s;
3500 		const char *name;
3501 		struct got_tag_object *tag = NULL;
3502 		int cmp;
3503 
3504 		if (got_ref_is_symbolic(re->ref))
3505 			continue;
3506 
3507 		name = got_ref_get_name(re->ref);
3508 		if (strncmp(name, "refs/", 5) == 0)
3509 			name += 5;
3510 		if (strncmp(name, "got/", 4) == 0)
3511 			continue;
3512 		if (strncmp(name, "heads/", 6) == 0)
3513 			name += 6;
3514 		if (strncmp(name, "remotes/", 8) == 0)
3515 			name += 8;
3516 		if (strncmp(name, "tags/", 5) == 0) {
3517 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3518 			    re->id);
3519 			if (error) {
3520 				if (error->code != GOT_ERR_OBJ_TYPE)
3521 					continue;
3522 				/*
3523 				 * Ref points at something other
3524 				 * than a tag.
3525 				 */
3526 				error = NULL;
3527 				tag = NULL;
3528 			}
3529 		}
3530 		cmp = got_object_id_cmp(tag ?
3531 		    got_object_tag_get_object_id(tag) : re->id, id);
3532 		if (tag)
3533 			got_object_tag_close(tag);
3534 		if (cmp != 0)
3535 			continue;
3536 		s = header->refs_str;
3537 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3538 		    s ? ", " : "", name) == -1) {
3539 			error = got_error_from_errno("asprintf");
3540 			free(s);
3541 			header->refs_str = NULL;
3542 			return error;
3543 		}
3544 		free(s);
3545 	}
3546 
3547 	error = got_object_id_str(&header->commit_id, id);
3548 	if (error)
3549 		return error;
3550 
3551 	error = got_object_id_str(&header->tree_id,
3552 	    got_object_commit_get_tree_id(commit));
3553 	if (error)
3554 		return error;
3555 
3556 	if (gw_trans->action == GW_DIFF) {
3557 		parent_id = SIMPLEQ_FIRST(
3558 		    got_object_commit_get_parent_ids(commit));
3559 		if (parent_id != NULL) {
3560 			id2 = got_object_id_dup(parent_id->id);
3561 			free (parent_id);
3562 			error = got_object_id_str(&header->parent_id, id2);
3563 			if (error)
3564 				return error;
3565 			free(id2);
3566 		} else {
3567 			header->parent_id = strdup("/dev/null");
3568 			if (header->parent_id == NULL) {
3569 				error = got_error_from_errno("strdup");
3570 				return error;
3571 			}
3572 		}
3573 	}
3574 
3575 	header->committer_time =
3576 	    got_object_commit_get_committer_time(commit);
3577 
3578 	header->author =
3579 	    strdup(got_object_commit_get_author(commit));
3580 	if (header->author == NULL) {
3581 		error = got_error_from_errno("strdup");
3582 		return error;
3583 	}
3584 	header->committer =
3585 	    strdup(got_object_commit_get_committer(commit));
3586 	if (header->committer == NULL) {
3587 		error = got_error_from_errno("strdup");
3588 		return error;
3589 	}
3590 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3591 	if (error)
3592 		return error;
3593 
3594 	commit_msg = commit_msg0;
3595 	while (*commit_msg == '\n')
3596 		commit_msg++;
3597 
3598 	header->commit_msg = strdup(commit_msg);
3599 	if (header->commit_msg == NULL)
3600 		error = got_error_from_errno("strdup");
3601 	free(commit_msg0);
3602 	return error;
3603 }
3604 
3605 static const struct got_error *
3606 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3607 {
3608 	const struct got_error *error = NULL;
3609 	char *in_repo_path = NULL;
3610 	struct got_object_id *id = NULL;
3611 
3612 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3613 	if (error)
3614 		return error;
3615 
3616 	if (gw_trans->commit_id == NULL) {
3617 		struct got_reference *head_ref;
3618 		error = got_ref_open(&head_ref, gw_trans->repo,
3619 		    gw_trans->headref, 0);
3620 		if (error)
3621 			return error;
3622 
3623 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3624 		got_ref_close(head_ref);
3625 		if (error)
3626 			return error;
3627 	} else {
3628 		struct got_reference *ref;
3629 
3630 		error = got_ref_open(&ref, gw_trans->repo,
3631 		    gw_trans->commit_id, 0);
3632 		if (error == NULL) {
3633 			int obj_type;
3634 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3635 			got_ref_close(ref);
3636 			if (error)
3637 				return error;
3638 			error = got_object_get_type(&obj_type, gw_trans->repo,
3639 			    id);
3640 			if (error)
3641 				goto done;
3642 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3643 				struct got_tag_object *tag;
3644 				error = got_object_open_as_tag(&tag,
3645 				    gw_trans->repo, id);
3646 				if (error)
3647 					goto done;
3648 				if (got_object_tag_get_object_type(tag) !=
3649 				    GOT_OBJ_TYPE_COMMIT) {
3650 					got_object_tag_close(tag);
3651 					error = got_error(GOT_ERR_OBJ_TYPE);
3652 					goto done;
3653 				}
3654 				free(id);
3655 				id = got_object_id_dup(
3656 				    got_object_tag_get_object_id(tag));
3657 				if (id == NULL)
3658 					error = got_error_from_errno(
3659 					    "got_object_id_dup");
3660 				got_object_tag_close(tag);
3661 				if (error)
3662 					goto done;
3663 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3664 				error = got_error(GOT_ERR_OBJ_TYPE);
3665 				goto done;
3666 			}
3667 		}
3668 		error = got_repo_match_object_id_prefix(&id,
3669 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3670 			    gw_trans->repo);
3671 		if (error)
3672 			goto done;
3673 	}
3674 
3675 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3676 	    gw_trans->repo_path, 1);
3677 	if (error)
3678 		goto done;
3679 
3680 	if (in_repo_path) {
3681 		header->path = strdup(in_repo_path);
3682 		if (header->path == NULL) {
3683 			error = got_error_from_errno("strdup");
3684 			goto done;
3685 		}
3686 	}
3687 
3688 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3689 	    got_ref_cmp_by_name, NULL);
3690 	if (error)
3691 		goto done;
3692 
3693 	error = gw_get_commits(gw_trans, header, limit, id);
3694 done:
3695 	got_ref_list_free(&header->refs);
3696 	free(id);
3697 	free(in_repo_path);
3698 	return error;
3699 }
3700 
3701 struct blame_line {
3702 	int annotated;
3703 	char *id_str;
3704 	char *committer;
3705 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3706 };
3707 
3708 struct gw_blame_cb_args {
3709 	struct blame_line *lines;
3710 	int nlines;
3711 	int nlines_prec;
3712 	int lineno_cur;
3713 	off_t *line_offsets;
3714 	FILE *f;
3715 	struct got_repository *repo;
3716 	struct gw_trans *gw_trans;
3717 };
3718 
3719 static const struct got_error *
3720 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3721 {
3722 	const struct got_error *err = NULL;
3723 	struct gw_blame_cb_args *a = arg;
3724 	struct blame_line *bline;
3725 	char *line = NULL;
3726 	size_t linesize = 0;
3727 	struct got_commit_object *commit = NULL;
3728 	off_t offset;
3729 	struct tm tm;
3730 	time_t committer_time;
3731 	enum kcgi_err kerr = KCGI_OK;
3732 
3733 	if (nlines != a->nlines ||
3734 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3735 		return got_error(GOT_ERR_RANGE);
3736 
3737 	if (lineno == -1)
3738 		return NULL; /* no change in this commit */
3739 
3740 	/* Annotate this line. */
3741 	bline = &a->lines[lineno - 1];
3742 	if (bline->annotated)
3743 		return NULL;
3744 	err = got_object_id_str(&bline->id_str, id);
3745 	if (err)
3746 		return err;
3747 
3748 	err = got_object_open_as_commit(&commit, a->repo, id);
3749 	if (err)
3750 		goto done;
3751 
3752 	bline->committer = strdup(got_object_commit_get_committer(commit));
3753 	if (bline->committer == NULL) {
3754 		err = got_error_from_errno("strdup");
3755 		goto done;
3756 	}
3757 
3758 	committer_time = got_object_commit_get_committer_time(commit);
3759 	if (localtime_r(&committer_time, &tm) == NULL)
3760 		return got_error_from_errno("localtime_r");
3761 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3762 	    &tm) >= sizeof(bline->datebuf)) {
3763 		err = got_error(GOT_ERR_NO_SPACE);
3764 		goto done;
3765 	}
3766 	bline->annotated = 1;
3767 
3768 	/* Print lines annotated so far. */
3769 	bline = &a->lines[a->lineno_cur - 1];
3770 	if (!bline->annotated)
3771 		goto done;
3772 
3773 	offset = a->line_offsets[a->lineno_cur - 1];
3774 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3775 		err = got_error_from_errno("fseeko");
3776 		goto done;
3777 	}
3778 
3779 	while (bline->annotated) {
3780 		char *smallerthan, *at, *nl, *committer;
3781 		char *lineno = NULL, *href_diff = NULL, *href_link = NULL;
3782 		size_t len;
3783 
3784 		if (getline(&line, &linesize, a->f) == -1) {
3785 			if (ferror(a->f))
3786 				err = got_error_from_errno("getline");
3787 			break;
3788 		}
3789 
3790 		committer = bline->committer;
3791 		smallerthan = strchr(committer, '<');
3792 		if (smallerthan && smallerthan[1] != '\0')
3793 			committer = smallerthan + 1;
3794 		at = strchr(committer, '@');
3795 		if (at)
3796 			*at = '\0';
3797 		len = strlen(committer);
3798 		if (len >= 9)
3799 			committer[8] = '\0';
3800 
3801 		nl = strchr(line, '\n');
3802 		if (nl)
3803 			*nl = '\0';
3804 
3805 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3806 		    "blame_wrapper", KATTR__MAX);
3807 		if (kerr != KCGI_OK)
3808 			goto err;
3809 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3810 		    "blame_number", KATTR__MAX);
3811 		if (kerr != KCGI_OK)
3812 			goto err;
3813 		if (asprintf(&lineno, "%.*d", a->nlines_prec,
3814 		    a->lineno_cur) == -1)
3815 			goto err;
3816 		kerr = khtml_puts(a->gw_trans->gw_html_req, lineno);
3817 		if (kerr != KCGI_OK)
3818 			goto err;
3819 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3820 		if (kerr != KCGI_OK)
3821 			goto err;
3822 
3823 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3824 		    "blame_hash", KATTR__MAX);
3825 		if (kerr != KCGI_OK)
3826 			goto err;
3827 
3828 		if (asprintf(&href_diff,
3829 		    "?path=%s&action=diff&commit=%s",
3830 		    a->gw_trans->repo_name, bline->id_str) == -1) {
3831 			err = got_error_from_errno("asprintf");
3832 			goto err;
3833 		}
3834 		if (asprintf(&href_link, "%.8s", bline->id_str) == -1) {
3835 			err = got_error_from_errno("asprintf");
3836 			goto err;
3837 		}
3838 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3839 		    KATTR_HREF, href_diff, KATTR__MAX);
3840 		if (kerr != KCGI_OK)
3841 			goto done;
3842 		kerr = khtml_puts(a->gw_trans->gw_html_req, href_link);
3843 		if (kerr != KCGI_OK)
3844 			goto err;
3845 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3846 		if (kerr != KCGI_OK)
3847 			goto err;
3848 
3849 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3850 		    "blame_date", KATTR__MAX);
3851 		if (kerr != KCGI_OK)
3852 			goto err;
3853 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3854 		if (kerr != KCGI_OK)
3855 			goto err;
3856 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3857 		if (kerr != KCGI_OK)
3858 			goto err;
3859 
3860 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3861 		    "blame_author", KATTR__MAX);
3862 		if (kerr != KCGI_OK)
3863 			goto err;
3864 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3865 		if (kerr != KCGI_OK)
3866 			goto err;
3867 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3868 		if (kerr != KCGI_OK)
3869 			goto err;
3870 
3871 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3872 		    "blame_code", KATTR__MAX);
3873 		if (kerr != KCGI_OK)
3874 			goto err;
3875 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3876 		if (kerr != KCGI_OK)
3877 			goto err;
3878 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3879 		if (kerr != KCGI_OK)
3880 			goto err;
3881 
3882 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3883 		if (kerr != KCGI_OK)
3884 			goto err;
3885 
3886 		a->lineno_cur++;
3887 		bline = &a->lines[a->lineno_cur - 1];
3888 err:
3889 		free(lineno);
3890 		free(href_diff);
3891 		free(href_link);
3892 	}
3893 done:
3894 	if (commit)
3895 		got_object_commit_close(commit);
3896 	free(line);
3897 	if (err == NULL && kerr != KCGI_OK)
3898 		err = gw_kcgi_error(kerr);
3899 	return err;
3900 }
3901 
3902 static const struct got_error *
3903 gw_output_file_blame(struct gw_trans *gw_trans)
3904 {
3905 	const struct got_error *error = NULL;
3906 	struct got_object_id *obj_id = NULL;
3907 	struct got_object_id *commit_id = NULL;
3908 	struct got_blob_object *blob = NULL;
3909 	char *path = NULL, *in_repo_path = NULL;
3910 	struct gw_blame_cb_args bca;
3911 	int i, obj_type;
3912 	size_t filesize;
3913 
3914 	if (asprintf(&path, "%s%s%s",
3915 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3916 	    gw_trans->repo_folder ? "/" : "",
3917 	    gw_trans->repo_file) == -1) {
3918 		error = got_error_from_errno("asprintf");
3919 		goto done;
3920 	}
3921 
3922 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3923 	if (error)
3924 		goto done;
3925 
3926 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3927 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3928 	if (error)
3929 		goto done;
3930 
3931 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3932 	    in_repo_path);
3933 	if (error)
3934 		goto done;
3935 
3936 	if (obj_id == NULL) {
3937 		error = got_error(GOT_ERR_NO_OBJ);
3938 		goto done;
3939 	}
3940 
3941 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3942 	if (error)
3943 		goto done;
3944 
3945 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3946 		error = got_error(GOT_ERR_OBJ_TYPE);
3947 		goto done;
3948 	}
3949 
3950 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3951 	if (error)
3952 		goto done;
3953 
3954 	bca.f = got_opentemp();
3955 	if (bca.f == NULL) {
3956 		error = got_error_from_errno("got_opentemp");
3957 		goto done;
3958 	}
3959 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3960 	    &bca.line_offsets, bca.f, blob);
3961 	if (error || bca.nlines == 0)
3962 		goto done;
3963 
3964 	/* Don't include \n at EOF in the blame line count. */
3965 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3966 		bca.nlines--;
3967 
3968 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3969 	if (bca.lines == NULL) {
3970 		error = got_error_from_errno("calloc");
3971 		goto done;
3972 	}
3973 	bca.lineno_cur = 1;
3974 	bca.nlines_prec = 0;
3975 	i = bca.nlines;
3976 	while (i > 0) {
3977 		i /= 10;
3978 		bca.nlines_prec++;
3979 	}
3980 	bca.repo = gw_trans->repo;
3981 	bca.gw_trans = gw_trans;
3982 
3983 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3984 	    &bca, NULL, NULL);
3985 done:
3986 	free(in_repo_path);
3987 	free(commit_id);
3988 	free(obj_id);
3989 	free(path);
3990 
3991 	if (blob) {
3992 		free(bca.line_offsets);
3993 		for (i = 0; i < bca.nlines; i++) {
3994 			struct blame_line *bline = &bca.lines[i];
3995 			free(bline->id_str);
3996 			free(bline->committer);
3997 		}
3998 		free(bca.lines);
3999 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4000 			error = got_error_from_errno("fclose");
4001 	}
4002 	if (blob)
4003 		got_object_blob_close(blob);
4004 	return error;
4005 }
4006 
4007 static const struct got_error *
4008 gw_output_blob_buf(struct gw_trans *gw_trans)
4009 {
4010 	const struct got_error *error = NULL;
4011 	struct got_object_id *obj_id = NULL;
4012 	struct got_object_id *commit_id = NULL;
4013 	struct got_blob_object *blob = NULL;
4014 	char *path = NULL, *in_repo_path = NULL;
4015 	int obj_type, set_mime = 0;
4016 	size_t len, hdrlen;
4017 	const uint8_t *buf;
4018 	enum kcgi_err kerr = KCGI_OK;
4019 
4020 	if (asprintf(&path, "%s%s%s",
4021 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4022 	    gw_trans->repo_folder ? "/" : "",
4023 	    gw_trans->repo_file) == -1) {
4024 		error = got_error_from_errno("asprintf");
4025 		goto done;
4026 	}
4027 
4028 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
4029 	if (error)
4030 		goto done;
4031 
4032 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4033 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
4034 	if (error)
4035 		goto done;
4036 
4037 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4038 	    in_repo_path);
4039 	if (error)
4040 		goto done;
4041 
4042 	if (obj_id == NULL) {
4043 		error = got_error(GOT_ERR_NO_OBJ);
4044 		goto done;
4045 	}
4046 
4047 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4048 	if (error)
4049 		goto done;
4050 
4051 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4052 		error = got_error(GOT_ERR_OBJ_TYPE);
4053 		goto done;
4054 	}
4055 
4056 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4057 	if (error)
4058 		goto done;
4059 
4060 	hdrlen = got_object_blob_get_hdrlen(blob);
4061 	do {
4062 		error = got_object_blob_read_block(&len, blob);
4063 		if (error)
4064 			goto done;
4065 		buf = got_object_blob_get_read_buf(blob);
4066 
4067 		/*
4068 		 * Skip blob object header first time around,
4069 		 * which also contains a zero byte.
4070 		 */
4071 		buf += hdrlen;
4072 		if (set_mime == 0) {
4073 			if (isbinary(buf, len - hdrlen))
4074 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4075 			else
4076 				gw_trans->mime = KMIME_TEXT_PLAIN;
4077 			set_mime = 1;
4078 			error = gw_display_index(gw_trans);
4079 			if (error)
4080 				goto done;
4081 		}
4082 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4083 		if (kerr != KCGI_OK)
4084 			goto done;
4085 		hdrlen = 0;
4086 	} while (len != 0);
4087 done:
4088 	free(in_repo_path);
4089 	free(commit_id);
4090 	free(obj_id);
4091 	free(path);
4092 	if (blob)
4093 		got_object_blob_close(blob);
4094 	if (error == NULL && kerr != KCGI_OK)
4095 		error = gw_kcgi_error(kerr);
4096 	return error;
4097 }
4098 
4099 static const struct got_error *
4100 gw_output_repo_tree(struct gw_trans *gw_trans)
4101 {
4102 	const struct got_error *error = NULL;
4103 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4104 	struct got_tree_object *tree = NULL;
4105 	char *path = NULL, *in_repo_path = NULL;
4106 	char *id_str = NULL;
4107 	char *build_folder = NULL;
4108 	char *href_blob = NULL, *href_blame = NULL;
4109 	const char *class = NULL;
4110 	int nentries, i, class_flip = 0;
4111 	enum kcgi_err kerr = KCGI_OK;
4112 
4113 	if (gw_trans->repo_folder != NULL) {
4114 		path = strdup(gw_trans->repo_folder);
4115 		if (path == NULL) {
4116 			error = got_error_from_errno("strdup");
4117 			goto done;
4118 		}
4119 	} else {
4120 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4121 		    gw_trans->repo_path, 1);
4122 		if (error)
4123 			goto done;
4124 		free(path);
4125 		path = in_repo_path;
4126 	}
4127 
4128 	if (gw_trans->commit_id == NULL) {
4129 		struct got_reference *head_ref;
4130 		error = got_ref_open(&head_ref, gw_trans->repo,
4131 		    gw_trans->headref, 0);
4132 		if (error)
4133 			goto done;
4134 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4135 		if (error)
4136 			goto done;
4137 		got_ref_close(head_ref);
4138 		/*
4139 		 * gw_trans->commit_id was not parsed from the querystring
4140 		 * we hit this code path from gw_index, where we don't know the
4141 		 * commit values for the tree link yet, so set
4142 		 * gw_trans->commit_id here to continue further into the tree
4143 		 */
4144 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4145 		if (error)
4146 			goto done;
4147 
4148 	} else {
4149 		error = got_repo_match_object_id(&commit_id, NULL,
4150 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
4151 		    gw_trans->repo);
4152 		if (error)
4153 			goto done;
4154 	}
4155 
4156 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4157 	    path);
4158 	if (error)
4159 		goto done;
4160 
4161 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4162 	if (error)
4163 		goto done;
4164 
4165 	nentries = got_object_tree_get_nentries(tree);
4166 	for (i = 0; i < nentries; i++) {
4167 		struct got_tree_entry *te;
4168 		const char *modestr = "";
4169 		mode_t mode;
4170 
4171 		te = got_object_tree_get_entry(tree, i);
4172 
4173 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4174 		if (error)
4175 			goto done;
4176 
4177 		mode = got_tree_entry_get_mode(te);
4178 		if (got_object_tree_entry_is_submodule(te))
4179 			modestr = "$";
4180 		else if (S_ISLNK(mode))
4181 			modestr = "@";
4182 		else if (S_ISDIR(mode))
4183 			modestr = "/";
4184 		else if (mode & S_IXUSR)
4185 			modestr = "*";
4186 
4187 		if (class_flip == 0) {
4188 			class = "back_lightgray";
4189 			class_flip = 1;
4190 		} else {
4191 			class = "back_white";
4192 			class_flip = 0;
4193 		}
4194 
4195 		if (S_ISDIR(mode)) {
4196 			if (asprintf(&build_folder, "%s/%s",
4197 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4198 			    got_tree_entry_get_name(te)) == -1) {
4199 				error = got_error_from_errno("asprintf");
4200 				goto done;
4201 			}
4202 			if (asprintf(&href_blob,
4203 			    "?path=%s&action=%s&commit=%s&folder=%s",
4204 			    gw_trans->repo_name, gw_get_action_name(gw_trans),
4205 			    gw_trans->commit_id, build_folder) == -1) {
4206 				error = got_error_from_errno("asprintf");
4207 				goto done;
4208 			}
4209 
4210 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4211 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4212 			if (kerr != KCGI_OK)
4213 				goto done;
4214 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4215 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4216 			    KATTR__MAX);
4217 			if (kerr != KCGI_OK)
4218 				goto done;
4219 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4220 			    KATTR_HREF, href_blob, KATTR_CLASS,
4221 			    "diff_directory", KATTR__MAX);
4222 			if (kerr != KCGI_OK)
4223 				goto done;
4224 			kerr = khtml_puts(gw_trans->gw_html_req,
4225 			    got_tree_entry_get_name(te));
4226 			if (kerr != KCGI_OK)
4227 				goto done;
4228 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
4229 			if (kerr != KCGI_OK)
4230 				goto done;
4231 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4232 			if (kerr != KCGI_OK)
4233 				goto done;
4234 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4235 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4236 			    KATTR__MAX);
4237 			if (kerr != KCGI_OK)
4238 				goto done;
4239 			kerr = khtml_entity(gw_trans->gw_html_req,
4240 			    KENTITY_nbsp);
4241 			if (kerr != KCGI_OK)
4242 				goto done;
4243 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4244 			if (kerr != KCGI_OK)
4245 				goto done;
4246 		} else {
4247 			if (asprintf(&href_blob,
4248 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4249 			    gw_trans->repo_name, "blob", gw_trans->commit_id,
4250 			    got_tree_entry_get_name(te),
4251 			    gw_trans->repo_folder ?
4252 			    gw_trans->repo_folder : "") == -1) {
4253 				error = got_error_from_errno("asprintf");
4254 				goto done;
4255 			}
4256 			if (asprintf(&href_blame,
4257 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
4258 			    gw_trans->repo_name, "blame", gw_trans->commit_id,
4259 			    got_tree_entry_get_name(te),
4260 			    gw_trans->repo_folder ?
4261 			    gw_trans->repo_folder : "") == -1) {
4262 				error = got_error_from_errno("asprintf");
4263 				goto done;
4264 			}
4265 
4266 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4267 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4268 			if (kerr != KCGI_OK)
4269 				goto done;
4270 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4271 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4272 			    KATTR__MAX);
4273 			if (kerr != KCGI_OK)
4274 				goto done;
4275 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4276 			    KATTR_HREF, href_blob, KATTR__MAX);
4277 			if (kerr != KCGI_OK)
4278 				goto done;
4279 			kerr = khtml_puts(gw_trans->gw_html_req,
4280 			    got_tree_entry_get_name(te));
4281 			if (kerr != KCGI_OK)
4282 				goto done;
4283 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
4284 			if (kerr != KCGI_OK)
4285 				goto done;
4286 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4287 			if (kerr != KCGI_OK)
4288 				goto done;
4289 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4290 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4291 			    KATTR__MAX);
4292 			if (kerr != KCGI_OK)
4293 				goto done;
4294 
4295 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4296 			    KATTR_HREF, href_blob, KATTR__MAX);
4297 			if (kerr != KCGI_OK)
4298 				goto done;
4299 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4300 			if (kerr != KCGI_OK)
4301 				goto done;
4302 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4303 			if (kerr != KCGI_OK)
4304 				goto done;
4305 
4306 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4307 			if (kerr != KCGI_OK)
4308 				goto done;
4309 
4310 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4311 			    KATTR_HREF, href_blame, KATTR__MAX);
4312 			if (kerr != KCGI_OK)
4313 				goto done;
4314 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4315 			if (kerr != KCGI_OK)
4316 				goto done;
4317 
4318 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4319 			if (kerr != KCGI_OK)
4320 				goto done;
4321 		}
4322 		free(id_str);
4323 		id_str = NULL;
4324 		free(href_blob);
4325 		href_blob = NULL;
4326 		free(build_folder);
4327 		build_folder = NULL;
4328 	}
4329 done:
4330 	if (tree)
4331 		got_object_tree_close(tree);
4332 	free(id_str);
4333 	free(href_blob);
4334 	free(href_blame);
4335 	free(in_repo_path);
4336 	free(tree_id);
4337 	free(build_folder);
4338 	if (error == NULL && kerr != KCGI_OK)
4339 		error = gw_kcgi_error(kerr);
4340 	return error;
4341 }
4342 
4343 static const struct got_error *
4344 gw_output_repo_heads(struct gw_trans *gw_trans)
4345 {
4346 	const struct got_error *error = NULL;
4347 	struct got_reflist_head refs;
4348 	struct got_reflist_entry *re;
4349 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4350 	char *href_commits = NULL;
4351 	enum kcgi_err kerr = KCGI_OK;
4352 
4353 	SIMPLEQ_INIT(&refs);
4354 
4355 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4356 	    got_ref_cmp_by_name, NULL);
4357 	if (error)
4358 		goto done;
4359 
4360 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4361 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4362 	if (kerr != KCGI_OK)
4363 		goto done;
4364 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4365 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4366 	if (kerr != KCGI_OK)
4367 		goto done;
4368 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4369 	if (kerr != KCGI_OK)
4370 		goto done;
4371 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4372 	if (kerr != KCGI_OK)
4373 		goto done;
4374 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4375 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4376 	if (kerr != KCGI_OK)
4377 		goto done;
4378 
4379 	SIMPLEQ_FOREACH(re, &refs, entry) {
4380 		const char *refname;
4381 
4382 		if (got_ref_is_symbolic(re->ref))
4383 			continue;
4384 
4385 		refname = got_ref_get_name(re->ref);
4386 		if (strncmp(refname, "refs/heads/", 11) != 0)
4387 			continue;
4388 
4389 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4390 		    refname, TM_DIFF);
4391 		if (error)
4392 			goto done;
4393 
4394 		if (strncmp(refname, "refs/heads/", 11) == 0)
4395 			refname += 11;
4396 
4397 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4398 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4399 		if (kerr != KCGI_OK)
4400 			goto done;
4401 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4402 		    KATTR_ID, "heads_age", KATTR__MAX);
4403 		if (kerr != KCGI_OK)
4404 			goto done;
4405 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4406 		if (kerr != KCGI_OK)
4407 			goto done;
4408 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4409 		if (kerr != KCGI_OK)
4410 			goto done;
4411 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4412 		    KATTR_ID, "heads_space", KATTR__MAX);
4413 		if (kerr != KCGI_OK)
4414 			goto done;
4415 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4416 		if (kerr != KCGI_OK)
4417 			goto done;
4418 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4419 		if (kerr != KCGI_OK)
4420 			goto done;
4421 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4422 		    KATTR_ID, "head", KATTR__MAX);
4423 		if (kerr != KCGI_OK)
4424 			goto done;
4425 		if (asprintf(&href_summary,
4426 		    "?path=%s&action=summary&headref=%s",
4427 		    gw_trans->repo_name, refname) == -1) {
4428 			error = got_error_from_errno("asprintf");
4429 			goto done;
4430 		}
4431 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4432 		    href_summary, KATTR__MAX);
4433 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4434 		if (kerr != KCGI_OK)
4435 			goto done;
4436 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4437 		if (kerr != KCGI_OK)
4438 			goto done;
4439 
4440 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4441 		    "navs_wrapper", KATTR__MAX);
4442 		if (kerr != KCGI_OK)
4443 			goto done;
4444 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4445 		    "navs", KATTR__MAX);
4446 		if (kerr != KCGI_OK)
4447 			goto done;
4448 
4449 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4450 		    href_summary, KATTR__MAX);
4451 		if (kerr != KCGI_OK)
4452 			goto done;
4453 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4454 		if (kerr != KCGI_OK)
4455 			goto done;
4456 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4457 		if (kerr != KCGI_OK)
4458 			goto done;
4459 
4460 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4461 		if (kerr != KCGI_OK)
4462 			goto done;
4463 		if (asprintf(&href_briefs, "?path=%s&action=briefs&headref=%s",
4464 		    gw_trans->repo_name, refname) == -1) {
4465 			error = got_error_from_errno("asprintf");
4466 			goto done;
4467 		}
4468 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4469 		    href_briefs, KATTR__MAX);
4470 		if (kerr != KCGI_OK)
4471 			goto done;
4472 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4473 		if (kerr != KCGI_OK)
4474 			goto done;
4475 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4476 		if (kerr != KCGI_OK)
4477 			goto done;
4478 
4479 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4480 		if (kerr != KCGI_OK)
4481 			goto done;
4482 
4483 		if (asprintf(&href_commits,
4484 		    "?path=%s&action=commits&headref=%s",
4485 		    gw_trans->repo_name, refname) == -1) {
4486 			error = got_error_from_errno("asprintf");
4487 			goto done;
4488 		}
4489 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4490 		    href_commits, KATTR__MAX);
4491 		if (kerr != KCGI_OK)
4492 			goto done;
4493 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4494 		if (kerr != KCGI_OK)
4495 			goto done;
4496 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4497 		if (kerr != KCGI_OK)
4498 			goto done;
4499 
4500 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4501 		    "dotted_line", KATTR__MAX);
4502 		if (kerr != KCGI_OK)
4503 			goto done;
4504 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4505 		if (kerr != KCGI_OK)
4506 			goto done;
4507 		free(href_summary);
4508 		href_summary = NULL;
4509 		free(href_briefs);
4510 		href_briefs = NULL;
4511 		free(href_commits);
4512 		href_commits = NULL;
4513 	}
4514 done:
4515 	got_ref_list_free(&refs);
4516 	free(href_summary);
4517 	free(href_briefs);
4518 	free(href_commits);
4519 	return error;
4520 }
4521 
4522 static const struct got_error *
4523 gw_output_site_link(struct gw_trans *gw_trans)
4524 {
4525 	const struct got_error *error = NULL;
4526 	char *href_summary = NULL;
4527 	enum kcgi_err kerr = KCGI_OK;
4528 
4529 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4530 	    "site_link", KATTR__MAX);
4531 	if (kerr != KCGI_OK)
4532 		goto done;
4533 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4534 	    KATTR__MAX);
4535 	if (kerr != KCGI_OK)
4536 		goto done;
4537 	kerr = khtml_puts(gw_trans->gw_html_req,
4538 	   gw_trans->gw_conf->got_site_link);
4539 	if (kerr != KCGI_OK)
4540 		goto done;
4541 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4542 	if (kerr != KCGI_OK)
4543 		goto done;
4544 
4545 	if (gw_trans->repo_name != NULL) {
4546 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4547 		if (kerr != KCGI_OK)
4548 			goto done;
4549 		if (asprintf(&href_summary, "?path=%s&action=summary",
4550 		    gw_trans->repo_name) == -1)
4551 			goto done;
4552 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4553 		    href_summary, KATTR__MAX);
4554 		if (kerr != KCGI_OK)
4555 			goto done;
4556 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4557 		if (kerr != KCGI_OK)
4558 			goto done;
4559 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4560 		if (kerr != KCGI_OK)
4561 			goto done;
4562 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4563 		if (kerr != KCGI_OK)
4564 			goto done;
4565 		kerr = khtml_puts(gw_trans->gw_html_req,
4566 		    gw_get_action_name(gw_trans));
4567 		if (kerr != KCGI_OK)
4568 			goto done;
4569 	}
4570 
4571 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4572 	if (kerr != KCGI_OK)
4573 		goto done;
4574 done:
4575 	free(href_summary);
4576 	return error;
4577 }
4578 
4579 static const struct got_error *
4580 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4581 {
4582 	const struct got_error *error = NULL;
4583 	char *color = NULL;
4584 	enum kcgi_err kerr = KCGI_OK;
4585 
4586 	if (strncmp(buf, "-", 1) == 0)
4587 		color = "diff_minus";
4588 	else if (strncmp(buf, "+", 1) == 0)
4589 		color = "diff_plus";
4590 	else if (strncmp(buf, "@@", 2) == 0)
4591 		color = "diff_chunk_header";
4592 	else if (strncmp(buf, "@@", 2) == 0)
4593 		color = "diff_chunk_header";
4594 	else if (strncmp(buf, "commit +", 8) == 0)
4595 		color = "diff_meta";
4596 	else if (strncmp(buf, "commit -", 8) == 0)
4597 		color = "diff_meta";
4598 	else if (strncmp(buf, "blob +", 6) == 0)
4599 		color = "diff_meta";
4600 	else if (strncmp(buf, "blob -", 6) == 0)
4601 		color = "diff_meta";
4602 	else if (strncmp(buf, "file +", 6) == 0)
4603 		color = "diff_meta";
4604 	else if (strncmp(buf, "file -", 6) == 0)
4605 		color = "diff_meta";
4606 	else if (strncmp(buf, "from:", 5) == 0)
4607 		color = "diff_author";
4608 	else if (strncmp(buf, "via:", 4) == 0)
4609 		color = "diff_author";
4610 	else if (strncmp(buf, "date:", 5) == 0)
4611 		color = "diff_date";
4612 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4613 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4614 	if (error == NULL && kerr != KCGI_OK)
4615 		error = gw_kcgi_error(kerr);
4616 	return error;
4617 }
4618 
4619 int
4620 main(int argc, char *argv[])
4621 {
4622 	const struct got_error *error = NULL;
4623 	struct gw_trans *gw_trans;
4624 	struct gw_dir *dir = NULL, *tdir;
4625 	const char *page = "index";
4626 	int gw_malloc = 1;
4627 	enum kcgi_err kerr = KCGI_OK;
4628 
4629 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4630 		errx(1, "malloc");
4631 
4632 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4633 		errx(1, "malloc");
4634 
4635 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4636 		errx(1, "malloc");
4637 
4638 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4639 		errx(1, "malloc");
4640 
4641 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4642 	if (kerr != KCGI_OK) {
4643 		error = gw_kcgi_error(kerr);
4644 		goto done;
4645 	}
4646 
4647 	if ((gw_trans->gw_conf =
4648 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
4649 		gw_malloc = 0;
4650 		error = got_error_from_errno("malloc");
4651 		goto done;
4652 	}
4653 
4654 	TAILQ_INIT(&gw_trans->gw_dirs);
4655 	TAILQ_INIT(&gw_trans->gw_headers);
4656 
4657 	gw_trans->action = -1;
4658 	gw_trans->page = 0;
4659 	gw_trans->repos_total = 0;
4660 	gw_trans->repo_path = NULL;
4661 	gw_trans->commit_id = NULL;
4662 	gw_trans->next_id = NULL;
4663 	gw_trans->next_prev_id = NULL;
4664 	gw_trans->prev_id = NULL;
4665 	gw_trans->prev_prev_id = NULL;
4666 	gw_trans->headref = GOT_REF_HEAD;
4667 	gw_trans->mime = KMIME_TEXT_HTML;
4668 	gw_trans->gw_tmpl->key = gw_templs;
4669 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4670 	gw_trans->gw_tmpl->arg = gw_trans;
4671 	gw_trans->gw_tmpl->cb = gw_template;
4672 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
4673 	if (error)
4674 		goto done;
4675 
4676 	error = gw_parse_querystring(gw_trans);
4677 	if (error)
4678 		goto done;
4679 
4680 	if (gw_trans->action == GW_BLOB)
4681 		error = gw_blob(gw_trans);
4682 	else
4683 		error = gw_display_index(gw_trans);
4684 done:
4685 	if (gw_malloc) {
4686 		free(gw_trans->gw_conf->got_repos_path);
4687 		free(gw_trans->gw_conf->got_site_name);
4688 		free(gw_trans->gw_conf->got_site_owner);
4689 		free(gw_trans->gw_conf->got_site_link);
4690 		free(gw_trans->gw_conf->got_logo);
4691 		free(gw_trans->gw_conf->got_logo_url);
4692 		free(gw_trans->gw_conf);
4693 		free(gw_trans->commit_id);
4694 		free(gw_trans->next_id);
4695 		free(gw_trans->next_prev_id);
4696 		free(gw_trans->prev_id);
4697 		free(gw_trans->prev_prev_id);
4698 		free(gw_trans->repo_path);
4699 		if (gw_trans->repo)
4700 			got_repo_close(gw_trans->repo);
4701 
4702 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4703 			free(dir->name);
4704 			free(dir->description);
4705 			free(dir->age);
4706 			free(dir->url);
4707 			free(dir->path);
4708 			free(dir);
4709 		}
4710 
4711 	}
4712 
4713 	khttp_free(gw_trans->gw_req);
4714 	return 0;
4715 }