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_error.h>
35 #include <got_object.h>
36 #include <got_reference.h>
37 #include <got_repository.h>
38 #include <got_path.h>
39 #include <got_cancel.h>
40 #include <got_worktree.h>
41 #include <got_diff.h>
42 #include <got_commit_graph.h>
43 #include <got_blame.h>
44 #include <got_privsep.h>
45 #include <got_opentemp.h>
46 
47 #include <kcgi.h>
48 #include <kcgihtml.h>
49 
50 #include "gotweb.h"
51 
52 #ifndef nitems
53 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
54 #endif
55 
56 struct gw_trans {
57 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
58 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
59 	struct got_repository	*repo;
60 	struct gw_dir		*gw_dir;
61 	struct gotweb_config	*gw_conf;
62 	struct ktemplate	*gw_tmpl;
63 	struct khtmlreq		*gw_html_req;
64 	struct kreq		*gw_req;
65 	const struct got_error	*error;
66 	const char		*repo_name;
67 	char			*repo_path;
68 	char			*commit_id;
69 	char			*next_id;
70 	char			*next_prev_id;
71 	char			*prev_id;
72 	char			*prev_prev_id;
73 	const char		*repo_file;
74 	char			*repo_folder;
75 	const char		*headref;
76 	unsigned int		 action;
77 	unsigned int		 page;
78 	unsigned int		 repos_total;
79 	enum kmime		 mime;
80 };
81 
82 struct gw_header {
83 	TAILQ_ENTRY(gw_header)		 entry;
84 	struct got_reflist_head		 refs;
85 	char				*path;
86 
87 	char			*refs_str;
88 	char			*commit_id; /* id_str1 */
89 	char			*parent_id; /* id_str2 */
90 	char			*tree_id;
91 	char			*author;
92 	char			*committer;
93 	char			*commit_msg;
94 	time_t			 committer_time;
95 };
96 
97 struct gw_dir {
98 	TAILQ_ENTRY(gw_dir)	 entry;
99 	char			*name;
100 	char			*owner;
101 	char			*description;
102 	char			*url;
103 	char			*age;
104 	char			*path;
105 };
106 
107 enum gw_key {
108 	KEY_ACTION,
109 	KEY_COMMIT_ID,
110 	KEY_FILE,
111 	KEY_FOLDER,
112 	KEY_HEADREF,
113 	KEY_PAGE,
114 	KEY_PATH,
115 	KEY_PREV_ID,
116 	KEY_PREV_PREV_ID,
117 	KEY__ZMAX
118 };
119 
120 enum gw_tmpl {
121 	TEMPL_CONTENT,
122 	TEMPL_HEAD,
123 	TEMPL_HEADER,
124 	TEMPL_SEARCH,
125 	TEMPL_SITEPATH,
126 	TEMPL_SITEOWNER,
127 	TEMPL_TITLE,
128 	TEMPL__MAX
129 };
130 
131 enum gw_ref_tm {
132 	TM_DIFF,
133 	TM_LONG,
134 };
135 
136 enum gw_tags_type {
137 	TAGBRIEF,
138 	TAGFULL,
139 };
140 
141 static const char *const gw_templs[TEMPL__MAX] = {
142 	"content",
143 	"head",
144 	"header",
145 	"search",
146 	"sitepath",
147 	"siteowner",
148 	"title",
149 };
150 
151 static const struct kvalid gw_keys[KEY__ZMAX] = {
152 	{ kvalid_stringne,	"action" },
153 	{ kvalid_stringne,	"commit" },
154 	{ kvalid_stringne,	"file" },
155 	{ kvalid_stringne,	"folder" },
156 	{ kvalid_stringne,	"headref" },
157 	{ kvalid_int,		"page" },
158 	{ kvalid_stringne,	"path" },
159 	{ kvalid_stringne,	"prev" },
160 	{ kvalid_stringne,	"prev_prev" },
161 };
162 
163 static struct gw_header		*gw_init_header(void);
164 
165 static void			 gw_free_header(struct gw_header *);
166 
167 static int			 gw_template(size_t, void *);
168 
169 static const struct got_error	*gw_error(struct gw_trans *);
170 static const struct got_error	*gw_init_gw_dir(struct gw_dir **, const char *);
171 static const struct got_error	*gw_get_repo_description(char **,
172 				    struct gw_trans *, char *);
173 static const struct got_error	*gw_get_repo_owner(char **, struct gw_trans *,
174 				    char *);
175 static const struct got_error	*gw_get_time_str(char **, time_t, int);
176 static const struct got_error	*gw_get_repo_age(char **, struct gw_trans *,
177 				    char *, const char *, int);
178 static const struct got_error	*gw_output_file_blame(struct gw_trans *);
179 static const struct got_error	*gw_output_blob_buf(struct gw_trans *);
180 static const struct got_error	*gw_output_repo_tree(struct gw_trans *);
181 static const struct got_error	*gw_output_diff(struct gw_trans *,
182 				    struct gw_header *);
183 static const struct got_error	*gw_output_repo_tags(struct gw_trans *,
184 				    struct gw_header *, int, int);
185 static const struct got_error	*gw_output_repo_heads(struct gw_trans *);
186 static const struct got_error	*gw_output_site_link(struct gw_trans *);
187 static const struct got_error	*gw_get_clone_url(char **, struct gw_trans *,
188 				    char *);
189 static const struct got_error	*gw_colordiff_line(struct gw_trans *, char *);
190 
191 static const struct got_error	*gw_gen_commit_header(struct gw_trans *, char *,
192 				    char*);
193 static const struct got_error	*gw_gen_diff_header(struct gw_trans *, char *,
194 				    char*);
195 static const struct got_error	*gw_gen_author_header(struct gw_trans *,
196 				    const char *);
197 static const struct got_error	*gw_gen_age_header(struct gw_trans *,
198 				    const char *);
199 static const struct got_error	*gw_gen_committer_header(struct gw_trans *,
200 				    const char *);
201 static const struct got_error	*gw_gen_commit_msg_header(struct gw_trans*,
202 				    char *);
203 static const struct got_error	*gw_gen_tree_header(struct gw_trans *, char *);
204 static const struct got_error	*gw_display_open(struct gw_trans *, enum khttp,
205 				    enum kmime);
206 static const struct got_error	*gw_display_index(struct gw_trans *);
207 static const struct got_error	*gw_get_header(struct gw_trans *,
208 				    struct gw_header *, int);
209 static const struct got_error	*gw_get_commits(struct gw_trans *,
210 				    struct gw_header *, int,
211 				    struct got_object_id *);
212 static const struct got_error	*gw_get_commit(struct gw_trans *,
213 				    struct gw_header *,
214 				    struct got_commit_object *,
215 				    struct got_object_id *);
216 static const struct got_error	*gw_apply_unveil(const char *);
217 static const struct got_error	*gw_blame_cb(void *, int, int,
218 				    struct got_object_id *);
219 static const struct got_error	*gw_load_got_paths(struct gw_trans *);
220 static const struct got_error	*gw_load_got_path(struct gw_trans *,
221 				    struct gw_dir *);
222 static const struct got_error	*gw_parse_querystring(struct gw_trans *);
223 static const struct got_error	*gw_blame(struct gw_trans *);
224 static const struct got_error	*gw_blob(struct gw_trans *);
225 static const struct got_error	*gw_diff(struct gw_trans *);
226 static const struct got_error	*gw_index(struct gw_trans *);
227 static const struct got_error	*gw_commits(struct gw_trans *);
228 static const struct got_error	*gw_briefs(struct gw_trans *);
229 static const struct got_error	*gw_summary(struct gw_trans *);
230 static const struct got_error	*gw_tree(struct gw_trans *);
231 static const struct got_error	*gw_tag(struct gw_trans *);
232 static const struct got_error	*gw_tags(struct gw_trans *);
233 
234 struct gw_query_action {
235 	unsigned int		 func_id;
236 	const char		*func_name;
237 	const struct got_error	*(*func_main)(struct gw_trans *);
238 	char			*template;
239 };
240 
241 enum gw_query_actions {
242 	GW_BLAME,
243 	GW_BLOB,
244 	GW_BRIEFS,
245 	GW_COMMITS,
246 	GW_DIFF,
247 	GW_ERR,
248 	GW_INDEX,
249 	GW_SUMMARY,
250 	GW_TAG,
251 	GW_TAGS,
252 	GW_TREE,
253 };
254 
255 static struct gw_query_action gw_query_funcs[] = {
256 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
257 	{ GW_BLOB,	"blob",		NULL,		NULL },
258 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
259 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
260 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
261 	{ GW_ERR,	"error",	gw_error,	"gw_tmpl/err.tmpl" },
262 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
263 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
264 	{ GW_TAG,	"tag",		gw_tag,		"gw_tmpl/tag.tmpl" },
265 	{ GW_TAGS,	"tags",		gw_tags,	"gw_tmpl/tags.tmpl" },
266 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
267 };
268 
269 static const char * 
270 gw_get_action_name(struct gw_trans *gw_trans)
271 {
272 	return gw_query_funcs[gw_trans->action].func_name;
273 }
274 
275 static const struct got_error *
276 gw_kcgi_error(enum kcgi_err kerr)
277 {
278 	if (kerr == KCGI_OK)
279 		return NULL;
280 
281 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
282 		return got_error(GOT_ERR_CANCELLED);
283 
284 	if (kerr == KCGI_ENOMEM)
285 		return got_error_set_errno(ENOMEM,
286 		    kcgi_strerror(kerr));
287 
288 	if (kerr == KCGI_ENFILE)
289 		return got_error_set_errno(ENFILE,
290 		    kcgi_strerror(kerr));
291 
292 	if (kerr == KCGI_EAGAIN)
293 		return got_error_set_errno(EAGAIN,
294 		    kcgi_strerror(kerr));
295 
296 	if (kerr == KCGI_FORM)
297 		return got_error_msg(GOT_ERR_IO,
298 		    kcgi_strerror(kerr));
299 
300 	return got_error_from_errno(kcgi_strerror(kerr));
301 }
302 
303 static const struct got_error *
304 gw_apply_unveil(const char *repo_path)
305 {
306 	const struct got_error *err;
307 
308 	if (repo_path && unveil(repo_path, "r") != 0)
309 		return got_error_from_errno2("unveil", repo_path);
310 
311 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
312 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
313 
314 	err = got_privsep_unveil_exec_helpers();
315 	if (err != NULL)
316 		return err;
317 
318 	if (unveil(NULL, NULL) != 0)
319 		return got_error_from_errno("unveil");
320 
321 	return NULL;
322 }
323 
324 static int
325 isbinary(const uint8_t *buf, size_t n)
326 {
327 	size_t i;
328 
329 	for (i = 0; i < n; i++)
330 		if (buf[i] == 0)
331 			return 1;
332 	return 0;
333 }
334 
335 static const struct got_error *
336 gw_blame(struct gw_trans *gw_trans)
337 {
338 	const struct got_error *error = NULL;
339 	struct gw_header *header = NULL;
340 	char *age = NULL;
341 	enum kcgi_err kerr = KCGI_OK;
342 
343 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
344 	    NULL) == -1)
345 		return got_error_from_errno("pledge");
346 
347 	if ((header = gw_init_header()) == NULL)
348 		return got_error_from_errno("malloc");
349 
350 	error = gw_apply_unveil(gw_trans->gw_dir->path);
351 	if (error)
352 		goto done;
353 
354 	/* check querystring */
355 	if (gw_trans->repo_file == NULL) {
356 		error = got_error_msg(GOT_ERR_QUERYSTRING,
357 		    "file required in querystring");
358 		goto done;
359 	}
360 	if (gw_trans->commit_id == NULL) {
361 		error = got_error_msg(GOT_ERR_QUERYSTRING,
362 		    "commit required in querystring");
363 		goto done;
364 	}
365 
366 	error = gw_get_header(gw_trans, header, 1);
367 	if (error)
368 		goto done;
369 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
370 	    "blame_header_wrapper", KATTR__MAX);
371 	if (kerr != KCGI_OK)
372 		goto done;
373 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
374 	    "blame_header", KATTR__MAX);
375 	if (kerr != KCGI_OK)
376 		goto done;
377 	error = gw_get_time_str(&age, header->committer_time,
378 	    TM_LONG);
379 	if (error)
380 		goto done;
381 	error = gw_gen_age_header(gw_trans, age ?age : "");
382 	if (error)
383 		goto done;
384 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
385 	if (error)
386 		goto done;
387 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
388 	if (kerr != KCGI_OK)
389 		goto done;
390 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
391 	    "dotted_line", KATTR__MAX);
392 	if (kerr != KCGI_OK)
393 		goto done;
394 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
395 	if (kerr != KCGI_OK)
396 		goto done;
397 
398 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
399 	    "blame", KATTR__MAX);
400 	if (kerr != KCGI_OK)
401 		goto done;
402 	error = gw_output_file_blame(gw_trans);
403 	if (error)
404 		goto done;
405 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
406 done:
407 	gw_free_header(header);
408 	if (error == NULL && kerr != KCGI_OK)
409 		error = gw_kcgi_error(kerr);
410 	return error;
411 }
412 
413 static const struct got_error *
414 gw_blob(struct gw_trans *gw_trans)
415 {
416 	const struct got_error *error = NULL, *err = NULL;
417 	struct gw_header *header = NULL;
418 	enum kcgi_err kerr = KCGI_OK;
419 
420 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
421 	    NULL) == -1)
422 		return got_error_from_errno("pledge");
423 
424 	if ((header = gw_init_header()) == NULL)
425 		return got_error_from_errno("malloc");
426 
427 	error = gw_apply_unveil(gw_trans->gw_dir->path);
428 	if (error)
429 		goto done;
430 
431 	/* check querystring */
432 	if (gw_trans->repo_file == NULL) {
433 		error = got_error_msg(GOT_ERR_QUERYSTRING,
434 		    "file required in querystring");
435 		goto done;
436 	}
437 	if (gw_trans->commit_id == NULL) {
438 		error = got_error_msg(GOT_ERR_QUERYSTRING,
439 		    "commit required in querystring");
440 		goto done;
441 	}
442 	error = gw_get_header(gw_trans, header, 1);
443 	if (error)
444 		goto done;
445 
446 	error = gw_output_blob_buf(gw_trans);
447 done:
448 
449 	if (error) {
450 		gw_trans->mime = KMIME_TEXT_PLAIN;
451 		err = gw_display_index(gw_trans);
452 		if (err) {
453 			error = err;
454 			goto errored;
455 		}
456 		kerr = khttp_puts(gw_trans->gw_req, error->msg);
457 	}
458 errored:
459 	gw_free_header(header);
460 	if (error == NULL && kerr != KCGI_OK)
461 		error = gw_kcgi_error(kerr);
462 	return error;
463 }
464 
465 static const struct got_error *
466 gw_diff(struct gw_trans *gw_trans)
467 {
468 	const struct got_error *error = NULL;
469 	struct gw_header *header = NULL;
470 	char *age = NULL;
471 	enum kcgi_err kerr = KCGI_OK;
472 
473 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
474 	    NULL) == -1)
475 		return got_error_from_errno("pledge");
476 
477 	if ((header = gw_init_header()) == NULL)
478 		return got_error_from_errno("malloc");
479 
480 	error = gw_apply_unveil(gw_trans->gw_dir->path);
481 	if (error)
482 		goto done;
483 
484 	error = gw_get_header(gw_trans, header, 1);
485 	if (error)
486 		goto done;
487 
488 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
489 	    "diff_header_wrapper", KATTR__MAX);
490 	if (kerr != KCGI_OK)
491 		goto done;
492 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
493 	    "diff_header", KATTR__MAX);
494 	if (kerr != KCGI_OK)
495 		goto done;
496 	error = gw_gen_diff_header(gw_trans, header->parent_id,
497 	    header->commit_id);
498 	if (error)
499 		goto done;
500 	error = gw_gen_commit_header(gw_trans, header->commit_id,
501 	    header->refs_str);
502 	if (error)
503 		goto done;
504 	error = gw_gen_tree_header(gw_trans, header->tree_id);
505 	if (error)
506 		goto done;
507 	error = gw_gen_author_header(gw_trans, header->author);
508 	if (error)
509 		goto done;
510 	error = gw_gen_committer_header(gw_trans, header->author);
511 	if (error)
512 		goto done;
513 	error = gw_get_time_str(&age, header->committer_time,
514 	    TM_LONG);
515 	if (error)
516 		goto done;
517 	error = gw_gen_age_header(gw_trans, age ?age : "");
518 	if (error)
519 		goto done;
520 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
521 	if (error)
522 		goto done;
523 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
524 	if (kerr != KCGI_OK)
525 		goto done;
526 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
527 	    "dotted_line", KATTR__MAX);
528 	if (kerr != KCGI_OK)
529 		goto done;
530 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
531 	if (kerr != KCGI_OK)
532 		goto done;
533 
534 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
535 	    "diff", KATTR__MAX);
536 	if (kerr != KCGI_OK)
537 		goto done;
538 	error = gw_output_diff(gw_trans, header);
539 	if (error)
540 		goto done;
541 
542 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
543 done:
544 	gw_free_header(header);
545 	free(age);
546 	if (error == NULL && kerr != KCGI_OK)
547 		error = gw_kcgi_error(kerr);
548 	return error;
549 }
550 
551 static const struct got_error *
552 gw_index(struct gw_trans *gw_trans)
553 {
554 	const struct got_error *error = NULL;
555 	struct gw_dir *gw_dir = NULL;
556 	char *href_next = NULL, *href_prev = NULL, *href_summary = NULL;
557 	char *href_briefs = NULL, *href_commits = NULL, *href_tree = NULL;
558 	char *href_tags = NULL;
559 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
560 	enum kcgi_err kerr = KCGI_OK;
561 
562 	if (pledge("stdio rpath proc exec sendfd unveil",
563 	    NULL) == -1) {
564 		error = got_error_from_errno("pledge");
565 		return error;
566 	}
567 
568 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path);
569 	if (error)
570 		return error;
571 
572 	error = gw_load_got_paths(gw_trans);
573 	if (error)
574 		return error;
575 
576 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
577 	    "index_header", KATTR__MAX);
578 	if (kerr != KCGI_OK)
579 		return gw_kcgi_error(kerr);
580 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
581 	    "index_header_project", KATTR__MAX);
582 	if (kerr != KCGI_OK)
583 		return gw_kcgi_error(kerr);
584 	kerr = khtml_puts(gw_trans->gw_html_req, "Project");
585 	if (kerr != KCGI_OK)
586 		return gw_kcgi_error(kerr);
587 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
588 	if (kerr != KCGI_OK)
589 		return gw_kcgi_error(kerr);
590 
591 	if (gw_trans->gw_conf->got_show_repo_description) {
592 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
593 		    "index_header_description", KATTR__MAX);
594 		if (kerr != KCGI_OK)
595 			return gw_kcgi_error(kerr);
596 		kerr = khtml_puts(gw_trans->gw_html_req, "Description");
597 		if (kerr != KCGI_OK)
598 			return gw_kcgi_error(kerr);
599 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
600 		if (kerr != KCGI_OK)
601 			return gw_kcgi_error(kerr);
602 	}
603 
604 	if (gw_trans->gw_conf->got_show_repo_owner) {
605 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
606 		    "index_header_owner", KATTR__MAX);
607 		if (kerr != KCGI_OK)
608 			return gw_kcgi_error(kerr);
609 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner");
610 		if (kerr != KCGI_OK)
611 			return gw_kcgi_error(kerr);
612 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
613 		if (kerr != KCGI_OK)
614 			return gw_kcgi_error(kerr);
615 	}
616 
617 	if (gw_trans->gw_conf->got_show_repo_age) {
618 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
619 		    "index_header_age", KATTR__MAX);
620 		if (kerr != KCGI_OK)
621 			return gw_kcgi_error(kerr);
622 		kerr = khtml_puts(gw_trans->gw_html_req, "Last Change");
623 		if (kerr != KCGI_OK)
624 			return gw_kcgi_error(kerr);
625 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
626 		if (kerr != KCGI_OK)
627 			return gw_kcgi_error(kerr);
628 	}
629 
630 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
631 	if (kerr != KCGI_OK)
632 		return gw_kcgi_error(kerr);
633 
634 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
635 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
636 		    "index_wrapper", KATTR__MAX);
637 		if (kerr != KCGI_OK)
638 			return gw_kcgi_error(kerr);
639 		kerr = khtml_printf(gw_trans->gw_html_req,
640 		    "No repositories found in %s",
641 		    gw_trans->gw_conf->got_repos_path);
642 		if (kerr != KCGI_OK)
643 			return gw_kcgi_error(kerr);
644 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
645 		if (kerr != KCGI_OK)
646 			return gw_kcgi_error(kerr);
647 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
648 		    "dotted_line", KATTR__MAX);
649 		if (kerr != KCGI_OK)
650 			return gw_kcgi_error(kerr);
651 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
652 		if (kerr != KCGI_OK)
653 			return gw_kcgi_error(kerr);
654 		return error;
655 	}
656 
657 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
658 		dir_c++;
659 
660 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
661 		if (gw_trans->page > 0 && (gw_trans->page *
662 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
663 			prev_disp++;
664 			continue;
665 		}
666 
667 		prev_disp++;
668 
669 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
670 		    "index_wrapper", KATTR__MAX);
671 		if (kerr != KCGI_OK)
672 			goto done;
673 
674 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
675 		    gw_dir->name, "action", "summary", NULL);
676 		if (href_summary == NULL) {
677 			error = got_error_from_errno("khttp_urlpart");
678 			goto done;
679 		}
680 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
681 		    "index_project", KATTR__MAX);
682 		if (kerr != KCGI_OK)
683 			goto done;
684 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
685 		    href_summary, KATTR__MAX);
686 		if (kerr != KCGI_OK)
687 			goto done;
688 		kerr = khtml_puts(gw_trans->gw_html_req, gw_dir->name);
689 		if (kerr != KCGI_OK)
690 			goto done;
691 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
692 		if (kerr != KCGI_OK)
693 			goto done;
694 		if (gw_trans->gw_conf->got_show_repo_description) {
695 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
696 			    KATTR_ID, "index_project_description", KATTR__MAX);
697 			if (kerr != KCGI_OK)
698 				goto done;
699 			kerr = khtml_puts(gw_trans->gw_html_req,
700 			    gw_dir->description ? gw_dir->description : "");
701 			if (kerr != KCGI_OK)
702 				goto done;
703 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
704 			if (kerr != KCGI_OK)
705 				goto done;
706 		}
707 		if (gw_trans->gw_conf->got_show_repo_owner) {
708 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
709 			    KATTR_ID, "index_project_owner", KATTR__MAX);
710 			if (kerr != KCGI_OK)
711 				goto done;
712 			kerr = khtml_puts(gw_trans->gw_html_req,
713 			    gw_dir->owner ? gw_dir->owner : "");
714 			if (kerr != KCGI_OK)
715 				goto done;
716 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
717 			if (kerr != KCGI_OK)
718 				goto done;
719 		}
720 		if (gw_trans->gw_conf->got_show_repo_age) {
721 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
722 			    KATTR_ID, "index_project_age", KATTR__MAX);
723 			if (kerr != KCGI_OK)
724 				goto done;
725 			kerr = khtml_puts(gw_trans->gw_html_req,
726 			    gw_dir->age ? gw_dir->age : "");
727 			if (kerr != KCGI_OK)
728 				goto done;
729 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
730 			if (kerr != KCGI_OK)
731 				goto done;
732 		}
733 
734 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
735 		    "navs_wrapper", KATTR__MAX);
736 		if (kerr != KCGI_OK)
737 			goto done;
738 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
739 		    "navs", KATTR__MAX);
740 		if (kerr != KCGI_OK)
741 			goto done;
742 
743 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
744 		    href_summary, KATTR__MAX);
745 		if (kerr != KCGI_OK)
746 			goto done;
747 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
748 		if (kerr != KCGI_OK)
749 			goto done;
750 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
751 		if (kerr != KCGI_OK)
752 			goto done;
753 
754 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
755 		if (kerr != KCGI_OK)
756 			goto done;
757 
758 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
759 		    gw_dir->name, "action", "briefs", NULL);
760 		if (href_briefs == NULL) {
761 			error = got_error_from_errno("khttp_urlpart");
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 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
780 		    gw_dir->name, "action", "commits", NULL);
781 		if (href_commits == NULL) {
782 			error = got_error_from_errno("khttp_urlpart");
783 			goto done;
784 		}
785 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
786 		    href_commits, KATTR__MAX);
787 		if (kerr != KCGI_OK)
788 			goto done;
789 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
790 		if (kerr != KCGI_OK)
791 			goto done;
792 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
793 		if (kerr != KCGI_OK)
794 			goto done;
795 
796 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
797 		if (kerr != KCGI_OK)
798 			goto done;
799 
800 		href_tags = khttp_urlpart(NULL, NULL, "gotweb", "path",
801 		    gw_dir->name, "action", "tags", NULL);
802 		if (href_tags == NULL) {
803 			error = got_error_from_errno("khttp_urlpart");
804 			goto done;
805 		}
806 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
807 		    href_tags, KATTR__MAX);
808 		if (kerr != KCGI_OK)
809 			goto done;
810 		kerr = khtml_puts(gw_trans->gw_html_req, "tags");
811 		if (kerr != KCGI_OK)
812 			goto done;
813 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
814 		if (kerr != KCGI_OK)
815 			goto done;
816 
817 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
818 		if (kerr != KCGI_OK)
819 			goto done;
820 
821 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
822 		    gw_dir->name, "action", "tree", NULL);
823 		if (href_tree == NULL) {
824 			error = got_error_from_errno("khttp_urlpart");
825 			goto done;
826 		}
827 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
828 		    href_tree, KATTR__MAX);
829 		if (kerr != KCGI_OK)
830 			goto done;
831 		kerr = khtml_puts(gw_trans->gw_html_req, "tree");
832 		if (kerr != KCGI_OK)
833 			goto done;
834 
835 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
836 		if (kerr != KCGI_OK)
837 			goto done;
838 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
839 		    "dotted_line", KATTR__MAX);
840 		if (kerr != KCGI_OK)
841 			goto done;
842 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
843 		if (kerr != KCGI_OK)
844 			goto done;
845 
846 		free(href_summary);
847 		href_summary = NULL;
848 		free(href_briefs);
849 		href_briefs = NULL;
850 		free(href_commits);
851 		href_commits = NULL;
852 		free(href_tags);
853 		href_tags = NULL;
854 		free(href_tree);
855 		href_tree = NULL;
856 
857 		if (gw_trans->gw_conf->got_max_repos_display == 0)
858 			continue;
859 
860 		if ((next_disp == gw_trans->gw_conf->got_max_repos_display) ||
861 		    ((gw_trans->gw_conf->got_max_repos_display > 0) &&
862 		    (gw_trans->page > 0) &&
863 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
864 		    prev_disp == gw_trans->repos_total))) {
865 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
866 			    KATTR_ID, "np_wrapper", KATTR__MAX);
867 			if (kerr != KCGI_OK)
868 				goto done;
869 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
870 			    KATTR_ID, "nav_prev", KATTR__MAX);
871 			if (kerr != KCGI_OK)
872 				goto done;
873 		}
874 
875 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
876 		    (gw_trans->page > 0) &&
877 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
878 		    prev_disp == gw_trans->repos_total)) {
879 			href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "page",
880 			    KATTRX_INT, (int64_t)(gw_trans->page - 1), NULL);
881 			if (href_prev == NULL) {
882 				error = got_error_from_errno("khttp_urlpartx");
883 				goto done;
884 			}
885 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
886 			    KATTR_HREF, href_prev, KATTR__MAX);
887 			if (kerr != KCGI_OK)
888 				goto done;
889 			kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
890 			if (kerr != KCGI_OK)
891 				goto done;
892 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
893 			if (kerr != KCGI_OK)
894 				goto done;
895 		}
896 
897 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
898 		if (kerr != KCGI_OK)
899 			return gw_kcgi_error(kerr);
900 
901 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
902 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
903 		    dir_c != (gw_trans->page + 1) *
904 		    gw_trans->gw_conf->got_max_repos_display) {
905 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
906 			    KATTR_ID, "nav_next", KATTR__MAX);
907 			if (kerr != KCGI_OK)
908 				goto done;
909 			href_next = khttp_urlpartx(NULL, NULL, "gotweb", "page",
910 			    KATTRX_INT, (int64_t)(gw_trans->page + 1), NULL);
911 			if (href_next == NULL) {
912 				error = got_error_from_errno("khttp_urlpartx");
913 				goto done;
914 			}
915 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
916 			    KATTR_HREF, href_next, KATTR__MAX);
917 			if (kerr != KCGI_OK)
918 				goto done;
919 			kerr = khtml_puts(gw_trans->gw_html_req, "Next");
920 			if (kerr != KCGI_OK)
921 				goto done;
922 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
923 			if (kerr != KCGI_OK)
924 				goto done;
925 			next_disp = 0;
926 			break;
927 		}
928 
929 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
930 		    (gw_trans->page > 0) &&
931 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
932 		    prev_disp == gw_trans->repos_total)) {
933 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
934 			if (kerr != KCGI_OK)
935 				goto done;
936 		}
937 		next_disp++;
938 	}
939 done:
940 	free(href_prev);
941 	free(href_next);
942 	free(href_summary);
943 	free(href_briefs);
944 	free(href_commits);
945 	free(href_tags);
946 	free(href_tree);
947 	if (error == NULL && kerr != KCGI_OK)
948 		error = gw_kcgi_error(kerr);
949 	return error;
950 }
951 
952 static const struct got_error *
953 gw_commits(struct gw_trans *gw_trans)
954 {
955 	const struct got_error *error = NULL;
956 	struct gw_header *header = NULL, *n_header = NULL;
957 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
958 	char *href_prev = NULL, *href_next = NULL;
959 	enum kcgi_err kerr = KCGI_OK;
960 
961 	if ((header = gw_init_header()) == NULL)
962 		return got_error_from_errno("malloc");
963 
964 	if (pledge("stdio rpath proc exec sendfd unveil",
965 	    NULL) == -1) {
966 		error = got_error_from_errno("pledge");
967 		goto done;
968 	}
969 
970 	error = gw_apply_unveil(gw_trans->gw_dir->path);
971 	if (error)
972 		goto done;
973 
974 	error = gw_get_header(gw_trans, header,
975 	    gw_trans->gw_conf->got_max_commits_display);
976 	if (error)
977 		goto done;
978 
979 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
980 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
981 		    "commits_line_wrapper", KATTR__MAX);
982 		if (kerr != KCGI_OK)
983 			goto done;
984 		error = gw_gen_commit_header(gw_trans, n_header->commit_id,
985 		    n_header->refs_str);
986 		if (error)
987 			goto done;
988 		error = gw_gen_author_header(gw_trans, n_header->author);
989 		if (error)
990 			goto done;
991 		error = gw_gen_committer_header(gw_trans, n_header->author);
992 		if (error)
993 			goto done;
994 		error = gw_get_time_str(&age, n_header->committer_time,
995 		    TM_LONG);
996 		if (error)
997 			goto done;
998 		error = gw_gen_age_header(gw_trans, age ?age : "");
999 		if (error)
1000 			goto done;
1001 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1002 		if (kerr != KCGI_OK)
1003 			goto done;
1004 
1005 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1006 		    "dotted_line", KATTR__MAX);
1007 		if (kerr != KCGI_OK)
1008 			goto done;
1009 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1010 		if (kerr != KCGI_OK)
1011 			goto done;
1012 
1013 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1014 		    "commit", KATTR__MAX);
1015 		if (kerr != KCGI_OK)
1016 			goto done;
1017 		kerr = khttp_puts(gw_trans->gw_req, n_header->commit_msg);
1018 		if (kerr != KCGI_OK)
1019 			goto done;
1020 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1021 		if (kerr != KCGI_OK)
1022 			goto done;
1023 
1024 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1025 		    gw_trans->repo_name, "action", "diff", "commit",
1026 		    n_header->commit_id, NULL);
1027 		if (href_diff == NULL) {
1028 			error = got_error_from_errno("khttp_urlpart");
1029 			goto done;
1030 		}
1031 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1032 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1033 		if (kerr != KCGI_OK)
1034 			goto done;
1035 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1036 		    KATTR_ID, "navs", KATTR__MAX);
1037 		if (kerr != KCGI_OK)
1038 			goto done;
1039 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1040 		    KATTR_HREF, href_diff, KATTR__MAX);
1041 		if (kerr != KCGI_OK)
1042 			goto done;
1043 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1044 		if (kerr != KCGI_OK)
1045 			goto done;
1046 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1047 		if (kerr != KCGI_OK)
1048 			goto done;
1049 
1050 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1051 		if (kerr != KCGI_OK)
1052 			goto done;
1053 
1054 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1055 		    gw_trans->repo_name, "action", "tree", "commit",
1056 		    n_header->commit_id, NULL);
1057 		if (href_tree == NULL) {
1058 			error = got_error_from_errno("khttp_urlpart");
1059 			goto done;
1060 		}
1061 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1062 		    KATTR_HREF, href_tree, KATTR__MAX);
1063 		if (kerr != KCGI_OK)
1064 			goto done;
1065 		khtml_puts(gw_trans->gw_html_req, "tree");
1066 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1067 		if (kerr != KCGI_OK)
1068 			goto done;
1069 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1070 		if (kerr != KCGI_OK)
1071 			goto done;
1072 
1073 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1074 		    "solid_line", KATTR__MAX);
1075 		if (kerr != KCGI_OK)
1076 			goto done;
1077 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1078 		if (kerr != KCGI_OK)
1079 			goto done;
1080 
1081 		free(age);
1082 		age = NULL;
1083 	}
1084 
1085 	if (gw_trans->next_id || gw_trans->page > 0) {
1086 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1087 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1088 		if (kerr != KCGI_OK)
1089 			goto done;
1090 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1091 		    KATTR_ID, "nav_prev", KATTR__MAX);
1092 		if (kerr != KCGI_OK)
1093 			goto done;
1094 	}
1095 
1096 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1097 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1098 		    KATTRX_STRING, gw_trans->repo_name, "page",
1099 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1100 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1101 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1102 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1103 		    gw_trans->prev_prev_id : "", NULL);
1104 		if (href_prev == NULL) {
1105 			error = got_error_from_errno("khttp_urlpartx");
1106 			goto done;
1107 		}
1108 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1109 		    KATTR_HREF, href_prev, KATTR__MAX);
1110 		if (kerr != KCGI_OK)
1111 			goto done;
1112 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1113 		if (kerr != KCGI_OK)
1114 			goto done;
1115 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1116 		if (kerr != KCGI_OK)
1117 			goto done;
1118 	}
1119 
1120 	if (gw_trans->next_id || gw_trans->page > 0) {
1121 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1122 		if (kerr != KCGI_OK)
1123 			return gw_kcgi_error(kerr);
1124 	}
1125 
1126 	if (gw_trans->next_id) {
1127 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1128 		    KATTR_ID, "nav_next", KATTR__MAX);
1129 		if (kerr != KCGI_OK)
1130 			goto done;
1131 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1132 		    KATTRX_STRING, gw_trans->repo_name, "page",
1133 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1134 		    KATTRX_STRING, "commits", "commit", KATTRX_STRING,
1135 		    gw_trans->next_id, "prev", KATTRX_STRING,
1136 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1137 		    "prev_prev", KATTRX_STRING, gw_trans->prev_prev_id ?
1138 		    gw_trans->prev_prev_id : "", NULL);
1139 		if (href_next == NULL) {
1140 			error = got_error_from_errno("khttp_urlpartx");
1141 			goto done;
1142 		}
1143 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1144 		    KATTR_HREF, href_next, KATTR__MAX);
1145 		if (kerr != KCGI_OK)
1146 			goto done;
1147 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1148 		if (kerr != KCGI_OK)
1149 			goto done;
1150 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1151 		if (kerr != KCGI_OK)
1152 			goto done;
1153 	}
1154 
1155 	if (gw_trans->next_id || gw_trans->page > 0) {
1156 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1157 		if (kerr != KCGI_OK)
1158 			goto done;
1159 	}
1160 done:
1161 	gw_free_header(header);
1162 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1163 		gw_free_header(n_header);
1164 	free(age);
1165 	free(href_next);
1166 	free(href_prev);
1167 	free(href_diff);
1168 	free(href_tree);
1169 	if (error == NULL && kerr != KCGI_OK)
1170 		error = gw_kcgi_error(kerr);
1171 	return error;
1172 }
1173 
1174 static const struct got_error *
1175 gw_briefs(struct gw_trans *gw_trans)
1176 {
1177 	const struct got_error *error = NULL;
1178 	struct gw_header *header = NULL, *n_header = NULL;
1179 	char *age = NULL, *href_diff = NULL, *href_tree = NULL;
1180 	char *href_prev = NULL, *href_next = NULL;
1181 	char *newline, *smallerthan;
1182 	enum kcgi_err kerr = KCGI_OK;
1183 
1184 	if ((header = gw_init_header()) == NULL)
1185 		return got_error_from_errno("malloc");
1186 
1187 	if (pledge("stdio rpath proc exec sendfd unveil",
1188 	    NULL) == -1) {
1189 		error = got_error_from_errno("pledge");
1190 		goto done;
1191 	}
1192 
1193 	if (gw_trans->action != GW_SUMMARY) {
1194 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1195 		if (error)
1196 			goto done;
1197 	}
1198 
1199 	if (gw_trans->action == GW_SUMMARY)
1200 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
1201 	else
1202 		error = gw_get_header(gw_trans, header,
1203 		    gw_trans->gw_conf->got_max_commits_display);
1204 	if (error)
1205 		goto done;
1206 
1207 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
1208 		error = gw_get_time_str(&age, n_header->committer_time,
1209 		    TM_DIFF);
1210 		if (error)
1211 			goto done;
1212 
1213 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1214 		    KATTR_ID, "briefs_wrapper", KATTR__MAX);
1215 		if (kerr != KCGI_OK)
1216 			goto done;
1217 
1218 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1219 		    KATTR_ID, "briefs_age", KATTR__MAX);
1220 		if (kerr != KCGI_OK)
1221 			goto done;
1222 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
1223 		if (kerr != KCGI_OK)
1224 			goto done;
1225 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1226 		if (kerr != KCGI_OK)
1227 			goto done;
1228 
1229 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1230 		    KATTR_ID, "briefs_author", KATTR__MAX);
1231 		if (kerr != KCGI_OK)
1232 			goto done;
1233 		smallerthan = strchr(n_header->author, '<');
1234 		if (smallerthan)
1235 			*smallerthan = '\0';
1236 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->author);
1237 		if (kerr != KCGI_OK)
1238 			goto done;
1239 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1240 		if (kerr != KCGI_OK)
1241 			goto done;
1242 
1243 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
1244 		    gw_trans->repo_name, "action", "diff", "commit",
1245 		    n_header->commit_id, NULL);
1246 		if (href_diff == NULL) {
1247 			error = got_error_from_errno("khttp_urlpart");
1248 			goto done;
1249 		}
1250 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1251 		    KATTR_ID, "briefs_log", KATTR__MAX);
1252 		if (kerr != KCGI_OK)
1253 			goto done;
1254 		newline = strchr(n_header->commit_msg, '\n');
1255 		if (newline)
1256 			*newline = '\0';
1257 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1258 		    KATTR_HREF, href_diff, KATTR__MAX);
1259 		if (kerr != KCGI_OK)
1260 			goto done;
1261 		kerr = khtml_puts(gw_trans->gw_html_req, n_header->commit_msg);
1262 		if (kerr != KCGI_OK)
1263 			goto done;
1264 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1265 		if (kerr != KCGI_OK)
1266 			goto done;
1267 
1268 		if (n_header->refs_str) {
1269 			kerr = khtml_puts(gw_trans->gw_html_req, " ");
1270 			if (kerr != KCGI_OK)
1271 				goto done;
1272 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
1273 			    KATTR_ID, "refs_str", KATTR__MAX);
1274 			if (kerr != KCGI_OK)
1275 			goto done;
1276 			kerr = khtml_printf(gw_trans->gw_html_req, "(%s)",
1277 			    n_header->refs_str);
1278 			if (kerr != KCGI_OK)
1279 				goto done;
1280 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1281 			if (kerr != KCGI_OK)
1282 				goto done;
1283 		}
1284 
1285 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1286 		if (kerr != KCGI_OK)
1287 			goto done;
1288 
1289 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1290 		    KATTR_ID, "navs_wrapper", KATTR__MAX);
1291 		if (kerr != KCGI_OK)
1292 			goto done;
1293 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1294 		    KATTR_ID, "navs", KATTR__MAX);
1295 		if (kerr != KCGI_OK)
1296 			goto done;
1297 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1298 		    KATTR_HREF, href_diff, KATTR__MAX);
1299 		if (kerr != KCGI_OK)
1300 			goto done;
1301 		kerr = khtml_puts(gw_trans->gw_html_req, "diff");
1302 		if (kerr != KCGI_OK)
1303 			goto done;
1304 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1305 		if (kerr != KCGI_OK)
1306 			goto done;
1307 
1308 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
1309 		if (kerr != KCGI_OK)
1310 			goto done;
1311 
1312 		href_tree = khttp_urlpart(NULL, NULL, "gotweb", "path",
1313 		    gw_trans->repo_name, "action", "tree", "commit",
1314 		    n_header->commit_id, NULL);
1315 		if (href_tree == NULL) {
1316 			error = got_error_from_errno("khttp_urlpart");
1317 			goto done;
1318 		}
1319 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1320 		    KATTR_HREF, href_tree, KATTR__MAX);
1321 		if (kerr != KCGI_OK)
1322 			goto done;
1323 		khtml_puts(gw_trans->gw_html_req, "tree");
1324 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1325 		if (kerr != KCGI_OK)
1326 			goto done;
1327 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1328 		if (kerr != KCGI_OK)
1329 			goto done;
1330 
1331 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1332 		    KATTR_ID, "dotted_line", KATTR__MAX);
1333 		if (kerr != KCGI_OK)
1334 			goto done;
1335 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1336 		if (kerr != KCGI_OK)
1337 			goto done;
1338 
1339 		free(age);
1340 		age = NULL;
1341 		free(href_diff);
1342 		href_diff = NULL;
1343 		free(href_tree);
1344 		href_tree = NULL;
1345 	}
1346 
1347 	if (gw_trans->next_id || gw_trans->page > 0) {
1348 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1349 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1350 		if (kerr != KCGI_OK)
1351 			goto done;
1352 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1353 		    KATTR_ID, "nav_prev", KATTR__MAX);
1354 		if (kerr != KCGI_OK)
1355 			goto done;
1356 	}
1357 
1358 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1359 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1360 		    KATTRX_STRING, gw_trans->repo_name, "page",
1361 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1362 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1363 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1364 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1365 		    gw_trans->prev_prev_id : "", NULL);
1366 		if (href_prev == NULL) {
1367 			error = got_error_from_errno("khttp_urlpartx");
1368 			goto done;
1369 		}
1370 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1371 		    KATTR_HREF, href_prev, KATTR__MAX);
1372 		if (kerr != KCGI_OK)
1373 			goto done;
1374 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1375 		if (kerr != KCGI_OK)
1376 			goto done;
1377 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1378 		if (kerr != KCGI_OK)
1379 			goto done;
1380 	}
1381 
1382 	if (gw_trans->next_id || gw_trans->page > 0) {
1383 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1384 		if (kerr != KCGI_OK)
1385 			return gw_kcgi_error(kerr);
1386 	}
1387 
1388 	if (gw_trans->next_id) {
1389 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1390 		    KATTR_ID, "nav_next", KATTR__MAX);
1391 		if (kerr != KCGI_OK)
1392 			goto done;
1393 
1394 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1395 		    KATTRX_STRING, gw_trans->repo_name, "page",
1396 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1397 		    KATTRX_STRING, "briefs", "commit", KATTRX_STRING,
1398 		    gw_trans->next_id, "prev", KATTRX_STRING,
1399 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1400 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1401 		    gw_trans->prev_id : "", NULL);
1402 		if (href_next == NULL) {
1403 			error = got_error_from_errno("khttp_urlpartx");
1404 			goto done;
1405 		}
1406 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1407 		    KATTR_HREF, href_next, KATTR__MAX);
1408 		if (kerr != KCGI_OK)
1409 			goto done;
1410 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1411 		if (kerr != KCGI_OK)
1412 			goto done;
1413 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1414 		if (kerr != KCGI_OK)
1415 			goto done;
1416 	}
1417 
1418 	if (gw_trans->next_id || gw_trans->page > 0) {
1419 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1420 		if (kerr != KCGI_OK)
1421 			goto done;
1422 	}
1423 done:
1424 	gw_free_header(header);
1425 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
1426 		gw_free_header(n_header);
1427 	free(age);
1428 	free(href_next);
1429 	free(href_prev);
1430 	free(href_diff);
1431 	free(href_tree);
1432 	if (error == NULL && kerr != KCGI_OK)
1433 		error = gw_kcgi_error(kerr);
1434 	return error;
1435 }
1436 
1437 static const struct got_error *
1438 gw_summary(struct gw_trans *gw_trans)
1439 {
1440 	const struct got_error *error = NULL;
1441 	char *age = NULL;
1442 	enum kcgi_err kerr = KCGI_OK;
1443 
1444 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1445 		return got_error_from_errno("pledge");
1446 
1447 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1448 	if (error)
1449 		goto done;
1450 
1451 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1452 	    "summary_wrapper", KATTR__MAX);
1453 	if (kerr != KCGI_OK)
1454 		return gw_kcgi_error(kerr);
1455 
1456 	if (gw_trans->gw_conf->got_show_repo_description &&
1457 	    gw_trans->gw_dir->description != NULL &&
1458 	    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
1459 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1460 		    KATTR_ID, "description_title", KATTR__MAX);
1461 		if (kerr != KCGI_OK)
1462 			goto done;
1463 		kerr = khtml_puts(gw_trans->gw_html_req, "Description: ");
1464 		if (kerr != KCGI_OK)
1465 			goto done;
1466 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1467 		if (kerr != KCGI_OK)
1468 			goto done;
1469 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1470 		    KATTR_ID, "description", KATTR__MAX);
1471 		if (kerr != KCGI_OK)
1472 			goto done;
1473 		kerr = khtml_puts(gw_trans->gw_html_req,
1474 		    gw_trans->gw_dir->description);
1475 		if (kerr != KCGI_OK)
1476 			goto done;
1477 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1478 		if (kerr != KCGI_OK)
1479 			goto done;
1480 	}
1481 
1482 	if (gw_trans->gw_conf->got_show_repo_owner &&
1483 	    gw_trans->gw_dir->owner != NULL &&
1484 	    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
1485 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1486 		    KATTR_ID, "repo_owner_title", KATTR__MAX);
1487 		if (kerr != KCGI_OK)
1488 			goto done;
1489 		kerr = khtml_puts(gw_trans->gw_html_req, "Owner: ");
1490 		if (kerr != KCGI_OK)
1491 			goto done;
1492 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1493 		if (kerr != KCGI_OK)
1494 			goto done;
1495 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1496 		    KATTR_ID, "repo_owner", KATTR__MAX);
1497 		if (kerr != KCGI_OK)
1498 			goto done;
1499 		kerr = khtml_puts(gw_trans->gw_html_req,
1500 		     gw_trans->gw_dir->owner);
1501 		if (kerr != KCGI_OK)
1502 			goto done;
1503 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1504 		if (kerr != KCGI_OK)
1505 			goto done;
1506 	}
1507 
1508 	if (gw_trans->gw_conf->got_show_repo_age) {
1509 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
1510 		    NULL, TM_LONG);
1511 		if (error)
1512 			goto done;
1513 		if (age != NULL) {
1514 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1515 			    KATTR_ID, "last_change_title", KATTR__MAX);
1516 			if (kerr != KCGI_OK)
1517 				goto done;
1518 			kerr = khtml_puts(gw_trans->gw_html_req,
1519 			    "Last Change: ");
1520 			if (kerr != KCGI_OK)
1521 				goto done;
1522 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1523 			if (kerr != KCGI_OK)
1524 				goto done;
1525 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1526 			    KATTR_ID, "last_change", KATTR__MAX);
1527 			if (kerr != KCGI_OK)
1528 				goto done;
1529 			kerr = khtml_puts(gw_trans->gw_html_req, age);
1530 			if (kerr != KCGI_OK)
1531 				goto done;
1532 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1533 			if (kerr != KCGI_OK)
1534 				goto done;
1535 		}
1536 	}
1537 
1538 	if (gw_trans->gw_conf->got_show_repo_cloneurl &&
1539 	    gw_trans->gw_dir->url != NULL &&
1540 	    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
1541 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1542 		    KATTR_ID, "cloneurl_title", KATTR__MAX);
1543 		if (kerr != KCGI_OK)
1544 			goto done;
1545 		kerr = khtml_puts(gw_trans->gw_html_req, "Clone URL: ");
1546 		if (kerr != KCGI_OK)
1547 			goto done;
1548 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1549 		if (kerr != KCGI_OK)
1550 			goto done;
1551 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1552 		    KATTR_ID, "cloneurl", KATTR__MAX);
1553 		if (kerr != KCGI_OK)
1554 			goto done;
1555 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->gw_dir->url);
1556 		if (kerr != KCGI_OK)
1557 			goto done;
1558 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1559 		if (kerr != KCGI_OK)
1560 			goto done;
1561 	}
1562 
1563 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1564 	if (kerr != KCGI_OK)
1565 		goto done;
1566 
1567 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1568 	    "briefs_title_wrapper", KATTR__MAX);
1569 	if (kerr != KCGI_OK)
1570 		goto done;
1571 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1572 	    "briefs_title", KATTR__MAX);
1573 	if (kerr != KCGI_OK)
1574 		goto done;
1575 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit Briefs");
1576 	if (kerr != KCGI_OK)
1577 		goto done;
1578 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1579 	if (kerr != KCGI_OK)
1580 		goto done;
1581 	error = gw_briefs(gw_trans);
1582 	if (error)
1583 		goto done;
1584 
1585 	error = gw_tags(gw_trans);
1586 	if (error)
1587 		goto done;
1588 
1589 	error = gw_output_repo_heads(gw_trans);
1590 done:
1591 	free(age);
1592 	if (error == NULL && kerr != KCGI_OK)
1593 		error = gw_kcgi_error(kerr);
1594 	return error;
1595 }
1596 
1597 static const struct got_error *
1598 gw_tree(struct gw_trans *gw_trans)
1599 {
1600 	const struct got_error *error = NULL;
1601 	struct gw_header *header = NULL;
1602 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
1603 	char *age = NULL;
1604 	enum kcgi_err kerr = KCGI_OK;
1605 
1606 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1607 		return got_error_from_errno("pledge");
1608 
1609 	if ((header = gw_init_header()) == NULL)
1610 		return got_error_from_errno("malloc");
1611 
1612 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1613 	if (error)
1614 		goto done;
1615 
1616 	error = gw_get_header(gw_trans, header, 1);
1617 	if (error)
1618 		goto done;
1619 
1620 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1621 	    "tree_header_wrapper", KATTR__MAX);
1622 	if (kerr != KCGI_OK)
1623 		goto done;
1624 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1625 	    "tree_header", KATTR__MAX);
1626 	if (kerr != KCGI_OK)
1627 		goto done;
1628 	error = gw_gen_tree_header(gw_trans, header->tree_id);
1629 	if (error)
1630 		goto done;
1631 	error = gw_get_time_str(&age, header->committer_time,
1632 	    TM_LONG);
1633 	if (error)
1634 		goto done;
1635 	error = gw_gen_age_header(gw_trans, age ?age : "");
1636 	if (error)
1637 		goto done;
1638 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1639 	if (error)
1640 		goto done;
1641 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1642 	if (kerr != KCGI_OK)
1643 		goto done;
1644 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1645 	    "dotted_line", KATTR__MAX);
1646 	if (kerr != KCGI_OK)
1647 		goto done;
1648 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1649 	if (kerr != KCGI_OK)
1650 		goto done;
1651 
1652 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1653 	    "tree", KATTR__MAX);
1654 	if (kerr != KCGI_OK)
1655 		goto done;
1656 	error = gw_output_repo_tree(gw_trans);
1657 	if (error)
1658 		goto done;
1659 
1660 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1661 done:
1662 	gw_free_header(header);
1663 	free(tree_html_disp);
1664 	free(tree_html);
1665 	free(tree);
1666 	free(age);
1667 	if (error == NULL && kerr != KCGI_OK)
1668 		error = gw_kcgi_error(kerr);
1669 	return error;
1670 }
1671 
1672 static const struct got_error *
1673 gw_tags(struct gw_trans *gw_trans)
1674 {
1675 	const struct got_error *error = NULL;
1676 	struct gw_header *header = NULL;
1677 	char *href_next = NULL, *href_prev = NULL;
1678 	enum kcgi_err kerr = KCGI_OK;
1679 
1680 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1681 		return got_error_from_errno("pledge");
1682 
1683 	if ((header = gw_init_header()) == NULL)
1684 		return got_error_from_errno("malloc");
1685 
1686 	if (gw_trans->action != GW_SUMMARY) {
1687 		error = gw_apply_unveil(gw_trans->gw_dir->path);
1688 		if (error)
1689 			goto done;
1690 	}
1691 
1692 	error = gw_get_header(gw_trans, header, 1);
1693 	if (error)
1694 		goto done;
1695 
1696 	if (gw_trans->action == GW_SUMMARY) {
1697 		gw_trans->next_id = NULL;
1698 		error = gw_output_repo_tags(gw_trans, header,
1699 		    D_MAXSLCOMMDISP, TAGBRIEF);
1700 		if (error)
1701 			goto done;
1702 	} else {
1703 		error = gw_output_repo_tags(gw_trans, header,
1704 		    gw_trans->gw_conf->got_max_commits_display, TAGBRIEF);
1705 		if (error)
1706 			goto done;
1707 	}
1708 
1709 	if (gw_trans->next_id || gw_trans->page > 0) {
1710 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1711 		    KATTR_ID, "np_wrapper", KATTR__MAX);
1712 		if (kerr != KCGI_OK)
1713 			goto done;
1714 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1715 		    KATTR_ID, "nav_prev", KATTR__MAX);
1716 		if (kerr != KCGI_OK)
1717 			goto done;
1718 	}
1719 
1720 	if (gw_trans->page > 0 && gw_trans->prev_id) {
1721 		href_prev = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1722 		    KATTRX_STRING, gw_trans->repo_name, "page",
1723 		    KATTRX_INT, (int64_t) (gw_trans->page - 1), "action",
1724 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1725 		    gw_trans->prev_id ? gw_trans->prev_id : "", "prev",
1726 		    KATTRX_STRING, gw_trans->prev_prev_id ?
1727 		    gw_trans->prev_prev_id : "", NULL);
1728 		if (href_prev == NULL) {
1729 			error = got_error_from_errno("khttp_urlpartx");
1730 			goto done;
1731 		}
1732 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1733 		    KATTR_HREF, href_prev, KATTR__MAX);
1734 		if (kerr != KCGI_OK)
1735 			goto done;
1736 		kerr = khtml_puts(gw_trans->gw_html_req, "Previous");
1737 		if (kerr != KCGI_OK)
1738 			goto done;
1739 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1740 		if (kerr != KCGI_OK)
1741 			goto done;
1742 	}
1743 
1744 	if (gw_trans->next_id || gw_trans->page > 0) {
1745 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1746 		if (kerr != KCGI_OK)
1747 			return gw_kcgi_error(kerr);
1748 	}
1749 
1750 	if (gw_trans->next_id) {
1751 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1752 		    KATTR_ID, "nav_next", KATTR__MAX);
1753 		if (kerr != KCGI_OK)
1754 			goto done;
1755 		href_next = khttp_urlpartx(NULL, NULL, "gotweb", "path",
1756 		    KATTRX_STRING, gw_trans->repo_name, "page",
1757 		    KATTRX_INT, (int64_t) (gw_trans->page + 1), "action",
1758 		    KATTRX_STRING, "tags", "commit", KATTRX_STRING,
1759 		    gw_trans->next_id, "prev", KATTRX_STRING,
1760 		    gw_trans->next_prev_id ? gw_trans->next_prev_id : "",
1761 		    "prev_prev", KATTRX_STRING, gw_trans->prev_id ?
1762 		    gw_trans->prev_id : "", NULL);
1763 		if (href_next == NULL) {
1764 			error = got_error_from_errno("khttp_urlpartx");
1765 			goto done;
1766 		}
1767 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1768 		    KATTR_HREF, href_next, KATTR__MAX);
1769 		if (kerr != KCGI_OK)
1770 			goto done;
1771 		kerr = khtml_puts(gw_trans->gw_html_req, "Next");
1772 		if (kerr != KCGI_OK)
1773 			goto done;
1774 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1775 		if (kerr != KCGI_OK)
1776 			goto done;
1777 	}
1778 
1779 	if (gw_trans->next_id || gw_trans->page > 0) {
1780 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1781 		if (kerr != KCGI_OK)
1782 			goto done;
1783 	}
1784 done:
1785 	gw_free_header(header);
1786 	free(href_next);
1787 	free(href_prev);
1788 	if (error == NULL && kerr != KCGI_OK)
1789 		error = gw_kcgi_error(kerr);
1790 	return error;
1791 }
1792 
1793 static const struct got_error *
1794 gw_tag(struct gw_trans *gw_trans)
1795 {
1796 	const struct got_error *error = NULL;
1797 	struct gw_header *header = NULL;
1798 	enum kcgi_err kerr = KCGI_OK;
1799 
1800 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
1801 		return got_error_from_errno("pledge");
1802 
1803 	if ((header = gw_init_header()) == NULL)
1804 		return got_error_from_errno("malloc");
1805 
1806 	error = gw_apply_unveil(gw_trans->gw_dir->path);
1807 	if (error)
1808 		goto done;
1809 
1810 	if (gw_trans->commit_id == NULL) {
1811 		error = got_error_msg(GOT_ERR_QUERYSTRING,
1812 		    "commit required in querystring");
1813 		goto done;
1814 	}
1815 
1816 	error = gw_get_header(gw_trans, header, 1);
1817 	if (error)
1818 		goto done;
1819 
1820 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1821 	    "tag_header_wrapper", KATTR__MAX);
1822 	if (kerr != KCGI_OK)
1823 		goto done;
1824 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1825 	    "tag_header", KATTR__MAX);
1826 	if (kerr != KCGI_OK)
1827 		goto done;
1828 	error = gw_gen_commit_header(gw_trans, header->commit_id,
1829 	    header->refs_str);
1830 	if (error)
1831 		goto done;
1832 	error = gw_gen_commit_msg_header(gw_trans, header->commit_msg);
1833 	if (error)
1834 		goto done;
1835 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
1836 	if (kerr != KCGI_OK)
1837 		goto done;
1838 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1839 	    "dotted_line", KATTR__MAX);
1840 	if (kerr != KCGI_OK)
1841 		goto done;
1842 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1843 	if (kerr != KCGI_OK)
1844 		goto done;
1845 
1846 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1847 	    "tree", KATTR__MAX);
1848 	if (kerr != KCGI_OK)
1849 		goto done;
1850 
1851 	error = gw_output_repo_tags(gw_trans, header, 1, TAGFULL);
1852 	if (error)
1853 		goto done;
1854 
1855 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1856 done:
1857 	gw_free_header(header);
1858 	if (error == NULL && kerr != KCGI_OK)
1859 		error = gw_kcgi_error(kerr);
1860 	return error;
1861 }
1862 
1863 static const struct got_error *
1864 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
1865 {
1866 	const struct got_error *error = NULL;
1867 	DIR *dt;
1868 	char *dir_test;
1869 	int opened = 0;
1870 
1871 	if (asprintf(&dir_test, "%s/%s/%s",
1872 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1873 	    GOTWEB_GIT_DIR) == -1)
1874 		return got_error_from_errno("asprintf");
1875 
1876 	dt = opendir(dir_test);
1877 	if (dt == NULL) {
1878 		free(dir_test);
1879 	} else {
1880 		gw_dir->path = strdup(dir_test);
1881 		if (gw_dir->path == NULL) {
1882 			opened = 1;
1883 			error = got_error_from_errno("strdup");
1884 			goto errored;
1885 		}
1886 		opened = 1;
1887 		goto done;
1888 	}
1889 
1890 	if (asprintf(&dir_test, "%s/%s/%s",
1891 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
1892 	    GOTWEB_GOT_DIR) == -1) {
1893 		dir_test = NULL;
1894 		error = got_error_from_errno("asprintf");
1895 		goto errored;
1896 	}
1897 
1898 	dt = opendir(dir_test);
1899 	if (dt == NULL)
1900 		free(dir_test);
1901 	else {
1902 		opened = 1;
1903 		error = got_error(GOT_ERR_NOT_GIT_REPO);
1904 		goto errored;
1905 	}
1906 
1907 	if (asprintf(&dir_test, "%s/%s",
1908 	    gw_trans->gw_conf->got_repos_path, gw_dir->name) == -1) {
1909 		error = got_error_from_errno("asprintf");
1910 		dir_test = NULL;
1911 		goto errored;
1912 	}
1913 
1914 	gw_dir->path = strdup(dir_test);
1915 	if (gw_dir->path == NULL) {
1916 		opened = 1;
1917 		error = got_error_from_errno("strdup");
1918 		goto errored;
1919 	}
1920 
1921 	dt = opendir(dir_test);
1922 	if (dt == NULL) {
1923 		error = got_error_path(gw_dir->name, GOT_ERR_NOT_GIT_REPO);
1924 		goto errored;
1925 	} else
1926 		opened = 1;
1927 done:
1928 	error = gw_get_repo_description(&gw_dir->description, gw_trans,
1929 	    gw_dir->path);
1930 	if (error)
1931 		goto errored;
1932 	error = gw_get_repo_owner(&gw_dir->owner, gw_trans, gw_dir->path);
1933 	if (error)
1934 		goto errored;
1935 	error = gw_get_repo_age(&gw_dir->age, gw_trans, gw_dir->path,
1936 	    NULL, TM_DIFF);
1937 	if (error)
1938 		goto errored;
1939 	error = gw_get_clone_url(&gw_dir->url, gw_trans, gw_dir->path);
1940 errored:
1941 	free(dir_test);
1942 	if (opened)
1943 		if (dt && closedir(dt) == -1 && error == NULL)
1944 			error = got_error_from_errno("closedir");
1945 	return error;
1946 }
1947 
1948 static const struct got_error *
1949 gw_load_got_paths(struct gw_trans *gw_trans)
1950 {
1951 	const struct got_error *error = NULL;
1952 	DIR *d;
1953 	struct dirent **sd_dent;
1954 	struct gw_dir *gw_dir;
1955 	struct stat st;
1956 	unsigned int d_cnt, d_i;
1957 
1958 	d = opendir(gw_trans->gw_conf->got_repos_path);
1959 	if (d == NULL) {
1960 		error = got_error_from_errno2("opendir",
1961 		    gw_trans->gw_conf->got_repos_path);
1962 		return error;
1963 	}
1964 
1965 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1966 	    alphasort);
1967 	if (d_cnt == -1) {
1968 		error = got_error_from_errno2("scandir",
1969 		    gw_trans->gw_conf->got_repos_path);
1970 		goto done;
1971 	}
1972 
1973 	for (d_i = 0; d_i < d_cnt; d_i++) {
1974 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1975 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1976 			break; /* account for parent and self */
1977 
1978 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1979 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1980 			continue;
1981 
1982 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1983 		if (error)
1984 			goto done;
1985 
1986 		error = gw_load_got_path(gw_trans, gw_dir);
1987 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1988 			error = NULL;
1989 			continue;
1990 		}
1991 		else if (error)
1992 			goto done;
1993 
1994 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
1995 		    !got_path_dir_is_empty(gw_dir->path)) {
1996 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
1997 			    entry);
1998 			gw_trans->repos_total++;
1999 		}
2000 	}
2001 done:
2002 	if (d && closedir(d) == -1 && error == NULL)
2003 		error = got_error_from_errno("closedir");
2004 	return error;
2005 }
2006 
2007 static const struct got_error *
2008 gw_parse_querystring(struct gw_trans *gw_trans)
2009 {
2010 	const struct got_error *error = NULL;
2011 	struct kpair *p;
2012 	struct gw_query_action *action = NULL;
2013 	unsigned int i;
2014 
2015 	if (gw_trans->gw_req->fieldnmap[0]) {
2016 		return got_error(GOT_ERR_QUERYSTRING);
2017 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
2018 		/* define gw_trans->repo_path */
2019 		gw_trans->repo_name = p->parsed.s;
2020 
2021 		if (asprintf(&gw_trans->repo_path, "%s/%s",
2022 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
2023 			return got_error_from_errno("asprintf");
2024 
2025 		/* get action and set function */
2026 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
2027 			for (i = 0; i < nitems(gw_query_funcs); i++) {
2028 				action = &gw_query_funcs[i];
2029 				if (action->func_name == NULL)
2030 					continue;
2031 				if (strcmp(action->func_name,
2032 				    p->parsed.s) == 0) {
2033 					gw_trans->action = i;
2034 					break;
2035 				}
2036 			}
2037 		}
2038 		if (gw_trans->action == -1) {
2039 			gw_trans->action = GW_ERR;
2040 			gw_trans->error = got_error_msg(GOT_ERR_QUERYSTRING,
2041 			    p != NULL ? "bad action in querystring" :
2042 			    "no action in querystring");
2043 			return error;
2044 		}
2045 
2046  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
2047 			if (asprintf(&gw_trans->commit_id, "%s",
2048 			    p->parsed.s) == -1)
2049 				return got_error_from_errno("asprintf");
2050 		}
2051 
2052 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
2053 			gw_trans->repo_file = p->parsed.s;
2054 
2055 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
2056 			if (asprintf(&gw_trans->repo_folder, "%s",
2057 			    p->parsed.s) == -1)
2058 				return got_error_from_errno("asprintf");
2059 		}
2060 
2061 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_ID])) {
2062 			if (asprintf(&gw_trans->prev_id, "%s",
2063 			    p->parsed.s) == -1)
2064 				return got_error_from_errno("asprintf");
2065 		}
2066 
2067 		if ((p = gw_trans->gw_req->fieldmap[KEY_PREV_PREV_ID])) {
2068 			if (asprintf(&gw_trans->prev_prev_id, "%s",
2069 			    p->parsed.s) == -1)
2070 				return got_error_from_errno("asprintf");
2071 		}
2072 
2073 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
2074 			gw_trans->headref = p->parsed.s;
2075 
2076 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
2077 		if (error)
2078 			return error;
2079 
2080 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
2081 	} else
2082 		gw_trans->action = GW_INDEX;
2083 
2084 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
2085 		gw_trans->page = p->parsed.i;
2086 
2087 	return error;
2088 }
2089 
2090 static const struct got_error *
2091 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
2092 {
2093 	const struct got_error *error;
2094 
2095 	*gw_dir = malloc(sizeof(**gw_dir));
2096 	if (*gw_dir == NULL)
2097 		return got_error_from_errno("malloc");
2098 
2099 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
2100 		error = got_error_from_errno("asprintf");
2101 		free(*gw_dir);
2102 		*gw_dir = NULL;
2103 		return error;
2104 	}
2105 
2106 	return NULL;
2107 }
2108 
2109 static const struct got_error *
2110 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
2111 {
2112 	enum kcgi_err kerr = KCGI_OK;
2113 
2114 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
2115 	if (kerr != KCGI_OK)
2116 		return gw_kcgi_error(kerr);
2117 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
2118 	    khttps[code]);
2119 	if (kerr != KCGI_OK)
2120 		return gw_kcgi_error(kerr);
2121 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
2122 	    kmimetypes[mime]);
2123 	if (kerr != KCGI_OK)
2124 		return gw_kcgi_error(kerr);
2125 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
2126 	    "nosniff");
2127 	if (kerr != KCGI_OK)
2128 		return gw_kcgi_error(kerr);
2129 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
2130 	if (kerr != KCGI_OK)
2131 		return gw_kcgi_error(kerr);
2132 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
2133 	    "1; mode=block");
2134 	if (kerr != KCGI_OK)
2135 		return gw_kcgi_error(kerr);
2136 
2137 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
2138 		kerr = khttp_head(gw_trans->gw_req,
2139 		    kresps[KRESP_CONTENT_DISPOSITION],
2140 		    "attachment; filename=%s", gw_trans->repo_file);
2141 		if (kerr != KCGI_OK)
2142 			return gw_kcgi_error(kerr);
2143 	}
2144 
2145 	kerr = khttp_body(gw_trans->gw_req);
2146 	return gw_kcgi_error(kerr);
2147 }
2148 
2149 static const struct got_error *
2150 gw_display_index(struct gw_trans *gw_trans)
2151 {
2152 	const struct got_error *error;
2153 	enum kcgi_err kerr = KCGI_OK;
2154 
2155 	/* catch early querystring errors */
2156 	if (gw_trans->error)
2157 		gw_trans->action = GW_ERR;
2158 
2159 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
2160 	if (error)
2161 		return error;
2162 
2163 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
2164 	if (kerr != KCGI_OK)
2165 		return gw_kcgi_error(kerr);
2166 
2167 	if (gw_trans->action != GW_BLOB) {
2168 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
2169 		    gw_query_funcs[gw_trans->action].template);
2170 		if (kerr != KCGI_OK) {
2171 			khtml_close(gw_trans->gw_html_req);
2172 			return gw_kcgi_error(kerr);
2173 		}
2174 	}
2175 
2176 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
2177 }
2178 
2179 static const struct got_error *
2180 gw_error(struct gw_trans *gw_trans)
2181 {
2182 	enum kcgi_err kerr = KCGI_OK;
2183 
2184 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
2185 
2186 	return gw_kcgi_error(kerr);
2187 }
2188 
2189 static int
2190 gw_template(size_t key, void *arg)
2191 {
2192 	const struct got_error *error = NULL;
2193 	enum kcgi_err kerr = KCGI_OK;
2194 	struct gw_trans *gw_trans = arg;
2195 	char *img_src = NULL;
2196 
2197 	switch (key) {
2198 	case (TEMPL_HEAD):
2199 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2200 		    KATTR_NAME, "viewport",
2201 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
2202 		    KATTR__MAX);
2203 		if (kerr != KCGI_OK)
2204 			return 0;
2205 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2206 		if (kerr != KCGI_OK)
2207 			return 0;
2208 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2209 		    KATTR_CHARSET, "utf-8",
2210 		    KATTR__MAX);
2211 		if (kerr != KCGI_OK)
2212 			return 0;
2213 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2214 		if (kerr != KCGI_OK)
2215 			return 0;
2216 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2217 		    KATTR_NAME, "msapplication-TileColor",
2218 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
2219 		if (kerr != KCGI_OK)
2220 			return 0;
2221 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2222 		if (kerr != KCGI_OK)
2223 			return 0;
2224 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
2225 		    KATTR_NAME, "theme-color",
2226 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
2227 		if (kerr != KCGI_OK)
2228 			return 0;
2229 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2230 		if (kerr != KCGI_OK)
2231 			return 0;
2232 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2233 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
2234 		    KATTR_HREF, "/apple-touch-icon.png", KATTR__MAX);
2235 		if (kerr != KCGI_OK)
2236 			return 0;
2237 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2238 		if (kerr != KCGI_OK)
2239 			return 0;
2240 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2241 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2242 		    "32x32", KATTR_HREF, "/favicon-32x32.png", KATTR__MAX);
2243 		if (kerr != KCGI_OK)
2244 			return 0;
2245 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2246 		if (kerr != KCGI_OK)
2247 			return 0;
2248 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2249 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
2250 		    "16x16", KATTR_HREF, "/favicon-16x16.png", KATTR__MAX);
2251 		if (kerr != KCGI_OK)
2252 			return 0;
2253 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2254 		if (kerr != KCGI_OK)
2255 			return 0;
2256 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2257 		    KATTR_REL, "manifest", KATTR_HREF, "/site.webmanifest",
2258 		    KATTR__MAX);
2259 		if (kerr != KCGI_OK)
2260 			return 0;
2261 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2262 		if (kerr != KCGI_OK)
2263 			return 0;
2264 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2265 		    KATTR_REL, "mask-icon", KATTR_HREF,
2266 		    "/safari-pinned-tab.svg", KATTR__MAX);
2267 		if (kerr != KCGI_OK)
2268 			return 0;
2269 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2270 		if (kerr != KCGI_OK)
2271 			return 0;
2272 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
2273 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
2274 		    KATTR_HREF, "/gotweb.css", KATTR__MAX);
2275 		if (kerr != KCGI_OK)
2276 			return 0;
2277 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2278 		if (kerr != KCGI_OK)
2279 			return 0;
2280 		break;
2281 	case(TEMPL_HEADER):
2282 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2283 		    KATTR_ID, "got_link", KATTR__MAX);
2284 		if (kerr != KCGI_OK)
2285 			return 0;
2286 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2287 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
2288 		    KATTR_TARGET, "_sotd", KATTR__MAX);
2289 		if (kerr != KCGI_OK)
2290 			return 0;
2291 		if (asprintf(&img_src, "/%s",
2292 		    gw_trans->gw_conf->got_logo) == -1)
2293 			return 0;
2294 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
2295 		    KATTR_SRC, img_src, KATTR__MAX);
2296 		if (kerr != KCGI_OK) {
2297 			free(img_src);
2298 			return 0;
2299 		}
2300 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2301 		if (kerr != KCGI_OK) {
2302 			free(img_src);
2303 			return 0;
2304 		}
2305 		break;
2306 	case (TEMPL_SITEPATH):
2307 		error = gw_output_site_link(gw_trans);
2308 		if (error)
2309 			return 0;
2310 		break;
2311 	case(TEMPL_TITLE):
2312 		if (gw_trans->gw_conf->got_site_name != NULL) {
2313 			kerr = khtml_puts(gw_trans->gw_html_req,
2314 			    gw_trans->gw_conf->got_site_name);
2315 			if (kerr != KCGI_OK)
2316 				return 0;
2317 		}
2318 		break;
2319 	case (TEMPL_SEARCH):
2320 		break;
2321 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
2322 		    "search", KATTR__MAX);
2323 		if (kerr != KCGI_OK)
2324 			return 0;
2325 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2326 			    KATTR_METHOD, "POST", KATTR__MAX);
2327 		if (kerr != KCGI_OK)
2328 			return 0;
2329 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2330 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2331 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2332 		if (kerr != KCGI_OK)
2333 			return 0;
2334 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2335 		    KATTR__MAX);
2336 		if (kerr != KCGI_OK)
2337 			return 0;
2338 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2339 		if (kerr != KCGI_OK)
2340 			return 0;
2341 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2342 		if (kerr != KCGI_OK)
2343 			return 0;
2344 		break;
2345 	case(TEMPL_SITEOWNER):
2346 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2347 		    gw_trans->gw_conf->got_show_site_owner) {
2348 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2349 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2350 			if (kerr != KCGI_OK)
2351 				return 0;
2352 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2353 			    KATTR_ID, "site_owner", KATTR__MAX);
2354 			if (kerr != KCGI_OK)
2355 				return 0;
2356 			kerr = khtml_puts(gw_trans->gw_html_req,
2357 			    gw_trans->gw_conf->got_site_owner);
2358 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2359 			if (kerr != KCGI_OK)
2360 				return 0;
2361 		}
2362 		break;
2363 	case(TEMPL_CONTENT):
2364 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2365 		if (error) {
2366 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2367 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2368 			if (kerr != KCGI_OK)
2369 				return 0;
2370 			kerr = khttp_printf(gw_trans->gw_req, "Error: %s",
2371 			    error->msg);
2372 			if (kerr != KCGI_OK)
2373 				return 0;
2374 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2375 			if (kerr != KCGI_OK)
2376 				return 0;
2377 		}
2378 		break;
2379 	default:
2380 		return 0;
2381 	}
2382 	return 1;
2383 }
2384 
2385 static const struct got_error *
2386 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2387 {
2388 	const struct got_error *error = NULL;
2389 	enum kcgi_err kerr = KCGI_OK;
2390 
2391 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2392 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2393 	if (kerr != KCGI_OK)
2394 		goto done;
2395 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2396 	if (kerr != KCGI_OK)
2397 		goto done;
2398 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2399 	if (kerr != KCGI_OK)
2400 		goto done;
2401 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2402 	    KATTR_ID, "header_commit", KATTR__MAX);
2403 	if (kerr != KCGI_OK)
2404 		goto done;
2405 	kerr = khtml_printf(gw_trans->gw_html_req, "%s ", str1);
2406 	if (kerr != KCGI_OK)
2407 		goto done;
2408 	if (str2 != NULL) {
2409 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2410 		    KATTR_ID, "refs_str", KATTR__MAX);
2411 		if (kerr != KCGI_OK)
2412 			goto done;
2413 		kerr = khtml_printf(gw_trans->gw_html_req, "(%s)", str2);
2414 		if (kerr != KCGI_OK)
2415 			goto done;
2416 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2417 		if (kerr != KCGI_OK)
2418 			goto done;
2419 	}
2420 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2421 done:
2422 	if (error == NULL && kerr != KCGI_OK)
2423 		error = gw_kcgi_error(kerr);
2424 	return error;
2425 }
2426 
2427 static const struct got_error *
2428 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2429 {
2430 	const struct got_error *error = NULL;
2431 	enum kcgi_err kerr = KCGI_OK;
2432 
2433 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2434 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2435 	if (kerr != KCGI_OK)
2436 		goto done;
2437 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2438 	if (kerr != KCGI_OK)
2439 		goto done;
2440 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2441 	if (kerr != KCGI_OK)
2442 		goto done;
2443 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2444 	    KATTR_ID, "header_diff", KATTR__MAX);
2445 	if (kerr != KCGI_OK)
2446 		goto done;
2447 	if (str1 != NULL) {
2448 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2449 		if (kerr != KCGI_OK)
2450 			goto done;
2451 	}
2452 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2453 	if (kerr != KCGI_OK)
2454 		goto done;
2455 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2456 	if (kerr != KCGI_OK)
2457 		goto done;
2458 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2459 done:
2460 	if (error == NULL && kerr != KCGI_OK)
2461 		error = gw_kcgi_error(kerr);
2462 	return error;
2463 }
2464 
2465 static const struct got_error *
2466 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2467 {
2468 	const struct got_error *error = NULL;
2469 	enum kcgi_err kerr = KCGI_OK;
2470 
2471 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2472 	    KATTR_ID, "header_age_title", KATTR__MAX);
2473 	if (kerr != KCGI_OK)
2474 		goto done;
2475 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2476 	if (kerr != KCGI_OK)
2477 		goto done;
2478 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2479 	if (kerr != KCGI_OK)
2480 		goto done;
2481 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2482 	    KATTR_ID, "header_age", KATTR__MAX);
2483 	if (kerr != KCGI_OK)
2484 		goto done;
2485 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2486 	if (kerr != KCGI_OK)
2487 		goto done;
2488 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2489 done:
2490 	if (error == NULL && kerr != KCGI_OK)
2491 		error = gw_kcgi_error(kerr);
2492 	return error;
2493 }
2494 
2495 static const struct got_error *
2496 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2497 {
2498 	const struct got_error *error = NULL;
2499 	enum kcgi_err kerr = KCGI_OK;
2500 
2501 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2502 	    KATTR_ID, "header_author_title", KATTR__MAX);
2503 	if (kerr != KCGI_OK)
2504 		goto done;
2505 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2506 	if (kerr != KCGI_OK)
2507 		goto done;
2508 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2509 	if (kerr != KCGI_OK)
2510 		goto done;
2511 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2512 	    KATTR_ID, "header_author", KATTR__MAX);
2513 	if (kerr != KCGI_OK)
2514 		goto done;
2515 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2516 	if (kerr != KCGI_OK)
2517 		goto done;
2518 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2519 done:
2520 	if (error == NULL && kerr != KCGI_OK)
2521 		error = gw_kcgi_error(kerr);
2522 	return error;
2523 }
2524 
2525 static const struct got_error *
2526 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2527 {
2528 	const struct got_error *error = NULL;
2529 	enum kcgi_err kerr = KCGI_OK;
2530 
2531 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2532 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2533 	if (kerr != KCGI_OK)
2534 		goto done;
2535 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2536 	if (kerr != KCGI_OK)
2537 		goto done;
2538 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2539 	if (kerr != KCGI_OK)
2540 		goto done;
2541 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2542 	    KATTR_ID, "header_committer", KATTR__MAX);
2543 	if (kerr != KCGI_OK)
2544 		goto done;
2545 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2546 	if (kerr != KCGI_OK)
2547 		goto done;
2548 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2549 done:
2550 	if (error == NULL && kerr != KCGI_OK)
2551 		error = gw_kcgi_error(kerr);
2552 	return error;
2553 }
2554 
2555 static const struct got_error *
2556 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2557 {
2558 	const struct got_error *error = NULL;
2559 	enum kcgi_err kerr = KCGI_OK;
2560 
2561 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2562 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2563 	if (kerr != KCGI_OK)
2564 		goto done;
2565 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2566 	if (kerr != KCGI_OK)
2567 		goto done;
2568 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2569 	if (kerr != KCGI_OK)
2570 		goto done;
2571 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2572 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2573 	if (kerr != KCGI_OK)
2574 		goto done;
2575 	kerr = khttp_puts(gw_trans->gw_req, str);
2576 	if (kerr != KCGI_OK)
2577 		goto done;
2578 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2579 done:
2580 	if (error == NULL && kerr != KCGI_OK)
2581 		error = gw_kcgi_error(kerr);
2582 	return error;
2583 }
2584 
2585 static const struct got_error *
2586 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2587 {
2588 	const struct got_error *error = NULL;
2589 	enum kcgi_err kerr = KCGI_OK;
2590 
2591 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2592 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2593 	if (kerr != KCGI_OK)
2594 		goto done;
2595 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2596 	if (kerr != KCGI_OK)
2597 		goto done;
2598 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2599 	if (kerr != KCGI_OK)
2600 		goto done;
2601 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2602 	    KATTR_ID, "header_tree", KATTR__MAX);
2603 	if (kerr != KCGI_OK)
2604 		goto done;
2605 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2606 	if (kerr != KCGI_OK)
2607 		goto done;
2608 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2609 done:
2610 	if (error == NULL && kerr != KCGI_OK)
2611 		error = gw_kcgi_error(kerr);
2612 	return error;
2613 }
2614 
2615 static const struct got_error *
2616 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2617     char *dir)
2618 {
2619 	const struct got_error *error = NULL;
2620 	FILE *f = NULL;
2621 	char *d_file = NULL;
2622 	unsigned int len;
2623 	size_t n;
2624 
2625 	*description = NULL;
2626 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2627 		return NULL;
2628 
2629 	if (asprintf(&d_file, "%s/description", dir) == -1)
2630 		return got_error_from_errno("asprintf");
2631 
2632 	f = fopen(d_file, "r");
2633 	if (f == NULL) {
2634 		if (errno == ENOENT || errno == EACCES)
2635 			return NULL;
2636 		error = got_error_from_errno2("fopen", d_file);
2637 		goto done;
2638 	}
2639 
2640 	if (fseek(f, 0, SEEK_END) == -1) {
2641 		error = got_ferror(f, GOT_ERR_IO);
2642 		goto done;
2643 	}
2644 	len = ftell(f);
2645 	if (len == -1) {
2646 		error = got_ferror(f, GOT_ERR_IO);
2647 		goto done;
2648 	}
2649 	if (fseek(f, 0, SEEK_SET) == -1) {
2650 		error = got_ferror(f, GOT_ERR_IO);
2651 		goto done;
2652 	}
2653 	*description = calloc(len + 1, sizeof(**description));
2654 	if (*description == NULL) {
2655 		error = got_error_from_errno("calloc");
2656 		goto done;
2657 	}
2658 
2659 	n = fread(*description, 1, len, f);
2660 	if (n == 0 && ferror(f))
2661 		error = got_ferror(f, GOT_ERR_IO);
2662 done:
2663 	if (f != NULL && fclose(f) == -1 && error == NULL)
2664 		error = got_error_from_errno("fclose");
2665 	free(d_file);
2666 	return error;
2667 }
2668 
2669 static const struct got_error *
2670 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2671 {
2672 	struct tm tm;
2673 	time_t diff_time;
2674 	char *years = "years ago", *months = "months ago";
2675 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2676 	char *minutes = "minutes ago", *seconds = "seconds ago";
2677 	char *now = "right now";
2678 	char *s;
2679 	char datebuf[29];
2680 
2681 	*repo_age = NULL;
2682 
2683 	switch (ref_tm) {
2684 	case TM_DIFF:
2685 		diff_time = time(NULL) - committer_time;
2686 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2687 			if (asprintf(repo_age, "%lld %s",
2688 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2689 				return got_error_from_errno("asprintf");
2690 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2691 			if (asprintf(repo_age, "%lld %s",
2692 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2693 			    months) == -1)
2694 				return got_error_from_errno("asprintf");
2695 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2696 			if (asprintf(repo_age, "%lld %s",
2697 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2698 				return got_error_from_errno("asprintf");
2699 		} else if (diff_time > 60 * 60 * 24 * 2) {
2700 			if (asprintf(repo_age, "%lld %s",
2701 			    (diff_time / 60 / 60 / 24), days) == -1)
2702 				return got_error_from_errno("asprintf");
2703 		} else if (diff_time > 60 * 60 * 2) {
2704 			if (asprintf(repo_age, "%lld %s",
2705 			    (diff_time / 60 / 60), hours) == -1)
2706 				return got_error_from_errno("asprintf");
2707 		} else if (diff_time > 60 * 2) {
2708 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2709 			    minutes) == -1)
2710 				return got_error_from_errno("asprintf");
2711 		} else if (diff_time > 2) {
2712 			if (asprintf(repo_age, "%lld %s", diff_time,
2713 			    seconds) == -1)
2714 				return got_error_from_errno("asprintf");
2715 		} else {
2716 			if (asprintf(repo_age, "%s", now) == -1)
2717 				return got_error_from_errno("asprintf");
2718 		}
2719 		break;
2720 	case TM_LONG:
2721 		if (gmtime_r(&committer_time, &tm) == NULL)
2722 			return got_error_from_errno("gmtime_r");
2723 
2724 		s = asctime_r(&tm, datebuf);
2725 		if (s == NULL)
2726 			return got_error_from_errno("asctime_r");
2727 
2728 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2729 			return got_error_from_errno("asprintf");
2730 		break;
2731 	}
2732 	return NULL;
2733 }
2734 
2735 static const struct got_error *
2736 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2737     const char *refname, int ref_tm)
2738 {
2739 	const struct got_error *error = NULL;
2740 	struct got_repository *repo = NULL;
2741 	struct got_commit_object *commit = NULL;
2742 	struct got_reflist_head refs;
2743 	struct got_reflist_entry *re;
2744 	time_t committer_time = 0, cmp_time = 0;
2745 
2746 	*repo_age = NULL;
2747 	SIMPLEQ_INIT(&refs);
2748 
2749 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2750 		return NULL;
2751 
2752 	if (gw_trans->repo)
2753 		repo = gw_trans->repo;
2754 	else {
2755 		error = got_repo_open(&repo, dir, NULL);
2756 		if (error)
2757 			return error;
2758 	}
2759 
2760 	error = got_ref_list(&refs, repo, "refs/heads",
2761 	    got_ref_cmp_by_name, NULL);
2762 	if (error)
2763 		goto done;
2764 
2765 	/*
2766 	 * Find the youngest branch tip in the repository, or the age of
2767 	 * the a specific branch tip if a name was provided by the caller.
2768 	 */
2769 	SIMPLEQ_FOREACH(re, &refs, entry) {
2770 		struct got_object_id *id = NULL;
2771 
2772 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2773 			continue;
2774 
2775 		error = got_ref_resolve(&id, repo, re->ref);
2776 		if (error)
2777 			goto done;
2778 
2779 		error = got_object_open_as_commit(&commit, repo, id);
2780 		free(id);
2781 		if (error)
2782 			goto done;
2783 
2784 		committer_time =
2785 		    got_object_commit_get_committer_time(commit);
2786 		got_object_commit_close(commit);
2787 		if (cmp_time < committer_time)
2788 			cmp_time = committer_time;
2789 
2790 		if (refname)
2791 			break;
2792 	}
2793 
2794 	if (cmp_time != 0) {
2795 		committer_time = cmp_time;
2796 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2797 	}
2798 done:
2799 	got_ref_list_free(&refs);
2800 	if (gw_trans->repo == NULL)
2801 		got_repo_close(repo);
2802 	return error;
2803 }
2804 
2805 static const struct got_error *
2806 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2807 {
2808 	const struct got_error *error;
2809 	FILE *f = NULL;
2810 	struct got_object_id *id1 = NULL, *id2 = NULL;
2811 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2812 	int obj_type;
2813 	size_t linesize = 0;
2814 	ssize_t linelen;
2815 	enum kcgi_err kerr = KCGI_OK;
2816 
2817 	f = got_opentemp();
2818 	if (f == NULL)
2819 		return NULL;
2820 
2821 	if (header->parent_id != NULL &&
2822 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2823 		error = got_repo_match_object_id(&id1, &label1,
2824 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2825 		if (error)
2826 			goto done;
2827 	}
2828 
2829 	error = got_repo_match_object_id(&id2, &label2,
2830 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2831 	if (error)
2832 		goto done;
2833 
2834 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2835 	if (error)
2836 		goto done;
2837 	switch (obj_type) {
2838 	case GOT_OBJ_TYPE_BLOB:
2839 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2840 		    gw_trans->repo, f);
2841 		break;
2842 	case GOT_OBJ_TYPE_TREE:
2843 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2844 		    gw_trans->repo, f);
2845 		break;
2846 	case GOT_OBJ_TYPE_COMMIT:
2847 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2848 		    gw_trans->repo, f);
2849 		break;
2850 	default:
2851 		error = got_error(GOT_ERR_OBJ_TYPE);
2852 	}
2853 	if (error)
2854 		goto done;
2855 
2856 	if (fseek(f, 0, SEEK_SET) == -1) {
2857 		error = got_ferror(f, GOT_ERR_IO);
2858 		goto done;
2859 	}
2860 
2861 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2862 		error = gw_colordiff_line(gw_trans, line);
2863 		if (error)
2864 			goto done;
2865 		/* XXX: KHTML_PRETTY breaks this */
2866 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2867 		if (kerr != KCGI_OK)
2868 			goto done;
2869 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2870 		if (kerr != KCGI_OK)
2871 			goto done;
2872 	}
2873 	if (linelen == -1 && ferror(f))
2874 		error = got_error_from_errno("getline");
2875 done:
2876 	if (f && fclose(f) == -1 && error == NULL)
2877 		error = got_error_from_errno("fclose");
2878 	free(line);
2879 	free(label1);
2880 	free(label2);
2881 	free(id1);
2882 	free(id2);
2883 
2884 	if (error == NULL && kerr != KCGI_OK)
2885 		error = gw_kcgi_error(kerr);
2886 	return error;
2887 }
2888 
2889 static const struct got_error *
2890 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2891 {
2892 	const struct got_error *error = NULL;
2893 	struct got_repository *repo;
2894 	const char *gitconfig_owner;
2895 
2896 	*owner = NULL;
2897 
2898 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2899 		return NULL;
2900 
2901 	error = got_repo_open(&repo, dir, NULL);
2902 	if (error)
2903 		return error;
2904 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2905 	if (gitconfig_owner) {
2906 		*owner = strdup(gitconfig_owner);
2907 		if (*owner == NULL)
2908 			error = got_error_from_errno("strdup");
2909 	}
2910 	got_repo_close(repo);
2911 	return error;
2912 }
2913 
2914 static const struct got_error *
2915 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2916 {
2917 	const struct got_error *error = NULL;
2918 	FILE *f;
2919 	char *d_file = NULL;
2920 	unsigned int len;
2921 	size_t n;
2922 
2923 	*url = NULL;
2924 
2925 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2926 		return got_error_from_errno("asprintf");
2927 
2928 	f = fopen(d_file, "r");
2929 	if (f == NULL) {
2930 		if (errno != ENOENT && errno != EACCES)
2931 			error = got_error_from_errno2("fopen", d_file);
2932 		goto done;
2933 	}
2934 
2935 	if (fseek(f, 0, SEEK_END) == -1) {
2936 		error = got_ferror(f, GOT_ERR_IO);
2937 		goto done;
2938 	}
2939 	len = ftell(f);
2940 	if (len == -1) {
2941 		error = got_ferror(f, GOT_ERR_IO);
2942 		goto done;
2943 	}
2944 	if (fseek(f, 0, SEEK_SET) == -1) {
2945 		error = got_ferror(f, GOT_ERR_IO);
2946 		goto done;
2947 	}
2948 
2949 	*url = calloc(len + 1, sizeof(**url));
2950 	if (*url == NULL) {
2951 		error = got_error_from_errno("calloc");
2952 		goto done;
2953 	}
2954 
2955 	n = fread(*url, 1, len, f);
2956 	if (n == 0 && ferror(f))
2957 		error = got_ferror(f, GOT_ERR_IO);
2958 done:
2959 	if (f && fclose(f) == -1 && error == NULL)
2960 		error = got_error_from_errno("fclose");
2961 	free(d_file);
2962 	return NULL;
2963 }
2964 
2965 static const struct got_error *
2966 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2967     int limit, int tag_type)
2968 {
2969 	const struct got_error *error = NULL;
2970 	struct got_reflist_head refs;
2971 	struct got_reflist_entry *re;
2972 	char *age = NULL;
2973 	char *id_str = NULL, *newline, *href_commits = NULL;
2974 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2975 	struct got_tag_object *tag = NULL;
2976 	enum kcgi_err kerr = KCGI_OK;
2977 	int summary_header_displayed = 0, start_tag = 0, chk_next = 0;
2978 	int prev_set = 0, tag_count = 0;
2979 
2980 	SIMPLEQ_INIT(&refs);
2981 
2982 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2983 	    got_ref_cmp_tags, gw_trans->repo);
2984 	if (error)
2985 		goto done;
2986 
2987 	SIMPLEQ_FOREACH(re, &refs, entry) {
2988 		const char *refname;
2989 		const char *tagger;
2990 		const char *tag_commit;
2991 		time_t tagger_time;
2992 		struct got_object_id *id;
2993 		struct got_commit_object *commit = NULL;
2994 
2995 		refname = got_ref_get_name(re->ref);
2996 		if (strncmp(refname, "refs/tags/", 10) != 0)
2997 			continue;
2998 		refname += 10;
2999 
3000 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
3001 		if (error)
3002 			goto done;
3003 
3004 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
3005 		if (error) {
3006 			if (error->code != GOT_ERR_OBJ_TYPE) {
3007 				free(id);
3008 				goto done;
3009 			}
3010 			/* "lightweight" tag */
3011 			error = got_object_open_as_commit(&commit,
3012 			    gw_trans->repo, id);
3013 			if (error) {
3014 				free(id);
3015 				goto done;
3016 			}
3017 			tagger = got_object_commit_get_committer(commit);
3018 			tagger_time =
3019 			    got_object_commit_get_committer_time(commit);
3020 			error = got_object_id_str(&id_str, id);
3021 			free(id);
3022 		} else {
3023 			free(id);
3024 			tagger = got_object_tag_get_tagger(tag);
3025 			tagger_time = got_object_tag_get_tagger_time(tag);
3026 			error = got_object_id_str(&id_str,
3027 			    got_object_tag_get_object_id(tag));
3028 		}
3029 		if (error)
3030 			goto done;
3031 
3032 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
3033 		    strlen(id_str)) != 0)
3034 			continue;
3035 
3036 		if (tag_type == TAGBRIEF && gw_trans->commit_id &&
3037 		    start_tag == 0 && strncmp(id_str, header->commit_id,
3038 		    strlen(id_str)) != 0) {
3039 			continue;
3040 		} else {
3041 			start_tag = 1;
3042 		}
3043 
3044 		tag_count++;
3045 
3046 		if (prev_set == 0 && start_tag == 1) {
3047 			gw_trans->next_prev_id = strdup(id_str);
3048 			if (gw_trans->next_prev_id == NULL) {
3049 				error = got_error_from_errno("strdup");
3050 				goto done;
3051 			}
3052 			prev_set = 1;
3053 		}
3054 
3055 		if (chk_next) {
3056 			gw_trans->next_id = strdup(id_str);
3057 			if (gw_trans->next_id == NULL)
3058 				error = got_error_from_errno("strdup");
3059 			goto done;
3060 		}
3061 
3062 		if (commit) {
3063 			error = got_object_commit_get_logmsg(&tag_commit0,
3064 			    commit);
3065 			if (error)
3066 				goto done;
3067 			got_object_commit_close(commit);
3068 		} else {
3069 			tag_commit0 = strdup(got_object_tag_get_message(tag));
3070 			if (tag_commit0 == NULL) {
3071 				error = got_error_from_errno("strdup");
3072 				goto done;
3073 			}
3074 		}
3075 
3076 		tag_commit = tag_commit0;
3077 		while (*tag_commit == '\n')
3078 			tag_commit++;
3079 
3080 		switch (tag_type) {
3081 		case TAGBRIEF:
3082 			newline = strchr(tag_commit, '\n');
3083 			if (newline)
3084 				*newline = '\0';
3085 
3086 			if (summary_header_displayed == 0) {
3087 				kerr = khtml_attr(gw_trans->gw_html_req,
3088 				    KELEM_DIV, KATTR_ID,
3089 				    "summary_tags_title_wrapper", KATTR__MAX);
3090 				if (kerr != KCGI_OK)
3091 					goto done;
3092 				kerr = khtml_attr(gw_trans->gw_html_req,
3093 				    KELEM_DIV, KATTR_ID,
3094 				    "summary_tags_title", KATTR__MAX);
3095 				if (kerr != KCGI_OK)
3096 					goto done;
3097 				kerr = khtml_puts(gw_trans->gw_html_req,
3098 				    "Tags");
3099 				if (kerr != KCGI_OK)
3100 					goto done;
3101 				kerr = khtml_closeelem(gw_trans->gw_html_req,
3102 				    2);
3103 				if (kerr != KCGI_OK)
3104 					goto done;
3105 				kerr = khtml_attr(gw_trans->gw_html_req,
3106 				    KELEM_DIV, KATTR_ID,
3107 				    "summary_tags_content", KATTR__MAX);
3108 				if (kerr != KCGI_OK)
3109 					goto done;
3110 				summary_header_displayed = 1;
3111 			}
3112 
3113 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3114 			    KATTR_ID, "tag_wrapper", KATTR__MAX);
3115 			if (kerr != KCGI_OK)
3116 				goto done;
3117 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3118 			    KATTR_ID, "tag_age", KATTR__MAX);
3119 			if (kerr != KCGI_OK)
3120 				goto done;
3121 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
3122 			if (error)
3123 				goto done;
3124 			kerr = khtml_puts(gw_trans->gw_html_req,
3125 			    age ? age : "");
3126 			if (kerr != KCGI_OK)
3127 				goto done;
3128 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3129 			if (kerr != KCGI_OK)
3130 				goto done;
3131 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3132 			    KATTR_ID, "tag", KATTR__MAX);
3133 			if (kerr != KCGI_OK)
3134 				goto done;
3135 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
3136 			if (kerr != KCGI_OK)
3137 				goto done;
3138 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3139 			if (kerr != KCGI_OK)
3140 				goto done;
3141 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3142 			    KATTR_ID, "tag_name", KATTR__MAX);
3143 			if (kerr != KCGI_OK)
3144 				goto done;
3145 
3146 			href_tag = khttp_urlpart(NULL, NULL, "gotweb", "path",
3147 			    gw_trans->repo_name, "action", "tag", "commit",
3148 			    id_str, NULL);
3149 			if (href_tag == NULL) {
3150 				error = got_error_from_errno("khttp_urlpart");
3151 				goto done;
3152 			}
3153 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3154 			    KATTR_HREF, href_tag, KATTR__MAX);
3155 			if (kerr != KCGI_OK)
3156 				goto done;
3157 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
3158 			if (kerr != KCGI_OK)
3159 				goto done;
3160 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3161 			if (kerr != KCGI_OK)
3162 				goto done;
3163 
3164 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3165 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
3166 			if (kerr != KCGI_OK)
3167 				goto done;
3168 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3169 			    KATTR_ID, "navs", KATTR__MAX);
3170 			if (kerr != KCGI_OK)
3171 				goto done;
3172 
3173 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3174 			    KATTR_HREF, href_tag, KATTR__MAX);
3175 			if (kerr != KCGI_OK)
3176 				goto done;
3177 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
3178 			if (kerr != KCGI_OK)
3179 				goto done;
3180 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3181 			if (kerr != KCGI_OK)
3182 				goto done;
3183 
3184 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3185 			if (kerr != KCGI_OK)
3186 				goto done;
3187 
3188 			href_briefs = khttp_urlpart(NULL, NULL, "gotweb",
3189 			    "path", gw_trans->repo_name, "action", "briefs",
3190 			    "commit", id_str, NULL);
3191 			if (href_briefs == NULL) {
3192 				error = got_error_from_errno("khttp_urlpart");
3193 				goto done;
3194 			}
3195 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3196 			    KATTR_HREF, href_briefs, KATTR__MAX);
3197 			if (kerr != KCGI_OK)
3198 				goto done;
3199 			kerr = khtml_puts(gw_trans->gw_html_req,
3200 			    "commit briefs");
3201 			if (kerr != KCGI_OK)
3202 				goto done;
3203 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3204 			if (kerr != KCGI_OK)
3205 				goto done;
3206 
3207 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3208 			if (kerr != KCGI_OK)
3209 				goto done;
3210 
3211 			href_commits = khttp_urlpart(NULL, NULL, "gotweb",
3212 			    "path", gw_trans->repo_name, "action", "commits",
3213 			    "commit", id_str, NULL);
3214 			if (href_commits == NULL) {
3215 				error = got_error_from_errno("khttp_urlpart");
3216 				goto done;
3217 			}
3218 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3219 			    KATTR_HREF, href_commits, KATTR__MAX);
3220 			if (kerr != KCGI_OK)
3221 				goto done;
3222 			kerr = khtml_puts(gw_trans->gw_html_req, "commits");
3223 			if (kerr != KCGI_OK)
3224 				goto done;
3225 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3226 			if (kerr != KCGI_OK)
3227 				goto done;
3228 
3229 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3230 			    KATTR_ID, "dotted_line", KATTR__MAX);
3231 			if (kerr != KCGI_OK)
3232 				goto done;
3233 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3234 			if (kerr != KCGI_OK)
3235 				goto done;
3236 			break;
3237 		case TAGFULL:
3238 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3239 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
3240 			if (kerr != KCGI_OK)
3241 				goto done;
3242 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
3243 			if (kerr != KCGI_OK)
3244 				goto done;
3245 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3246 			if (kerr != KCGI_OK)
3247 				goto done;
3248 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3249 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3250 			if (kerr != KCGI_OK)
3251 				goto done;
3252 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
3253 			if (error)
3254 				goto done;
3255 			kerr = khtml_puts(gw_trans->gw_html_req,
3256 			    age ? age : "");
3257 			if (kerr != KCGI_OK)
3258 				goto done;
3259 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3260 			if (kerr != KCGI_OK)
3261 				goto done;
3262 
3263 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3264 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
3265 			if (kerr != KCGI_OK)
3266 				goto done;
3267 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
3268 			if (kerr != KCGI_OK)
3269 				goto done;
3270 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3271 			if (kerr != KCGI_OK)
3272 				goto done;
3273 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3274 			    KATTR_ID, "tag_info_date", KATTR__MAX);
3275 			if (kerr != KCGI_OK)
3276 				goto done;
3277 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
3278 			if (kerr != KCGI_OK)
3279 				goto done;
3280 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3281 			if (kerr != KCGI_OK)
3282 				goto done;
3283 
3284 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3285 			    KATTR_ID, "tag_info", KATTR__MAX);
3286 			if (kerr != KCGI_OK)
3287 				goto done;
3288 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
3289 			if (kerr != KCGI_OK)
3290 				goto done;
3291 			break;
3292 		default:
3293 			break;
3294 		}
3295 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3296 		if (kerr != KCGI_OK)
3297 			goto done;
3298 
3299 		if (limit && --limit == 0)
3300 			chk_next = 1;
3301 
3302 		if (tag)
3303 			got_object_tag_close(tag);
3304 		tag = NULL;
3305 		free(id_str);
3306 		id_str = NULL;
3307 		free(age);
3308 		age = NULL;
3309 		free(tag_commit0);
3310 		tag_commit0 = NULL;
3311 		free(href_tag);
3312 		href_tag = NULL;
3313 		free(href_briefs);
3314 		href_briefs = NULL;
3315 		free(href_commits);
3316 		href_commits = NULL;
3317 	}
3318 	if (tag_count == 0) {
3319 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3320 		    "summary_tags_title_wrapper", KATTR__MAX);
3321 		if (kerr != KCGI_OK)
3322 			goto done;
3323 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3324 		    "summary_tags_title", KATTR__MAX);
3325 		if (kerr != KCGI_OK)
3326 			goto done;
3327 		kerr = khtml_puts(gw_trans->gw_html_req, "Tags");
3328 		if (kerr != KCGI_OK)
3329 			goto done;
3330 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3331 		if (kerr != KCGI_OK)
3332 			goto done;
3333 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3334 		    "summary_tags_content", KATTR__MAX);
3335 		if (kerr != KCGI_OK)
3336 			goto done;
3337 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3338 		    "tags_info", KATTR__MAX);
3339 		if (kerr != KCGI_OK)
3340 			goto done;
3341 		kerr = khttp_puts(gw_trans->gw_req,
3342 		    "There are no tags for this repo.");
3343 		if (kerr != KCGI_OK)
3344 			goto done;
3345 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3346 	}
3347 done:
3348 	if (tag)
3349 		got_object_tag_close(tag);
3350 	free(id_str);
3351 	free(age);
3352 	free(tag_commit0);
3353 	free(href_tag);
3354 	free(href_briefs);
3355 	free(href_commits);
3356 	got_ref_list_free(&refs);
3357 	if (error == NULL && kerr != KCGI_OK)
3358 		error = gw_kcgi_error(kerr);
3359 	return error;
3360 }
3361 
3362 static void
3363 gw_free_header(struct gw_header *header)
3364 {
3365 	free(header->path);
3366 	free(header->author);
3367 	free(header->committer);
3368 	free(header->refs_str);
3369 	free(header->commit_id);
3370 	free(header->parent_id);
3371 	free(header->tree_id);
3372 	free(header->commit_msg);
3373 }
3374 
3375 static struct gw_header *
3376 gw_init_header()
3377 {
3378 	struct gw_header *header;
3379 
3380 	header = malloc(sizeof(*header));
3381 	if (header == NULL)
3382 		return NULL;
3383 
3384 	header->path = NULL;
3385 	SIMPLEQ_INIT(&header->refs);
3386 
3387 	header->refs_str = NULL;
3388 	header->commit_id = NULL;
3389 	header->committer = NULL;
3390 	header->author = NULL;
3391 	header->parent_id = NULL;
3392 	header->tree_id = NULL;
3393 	header->commit_msg = NULL;
3394 
3395 	return header;
3396 }
3397 
3398 static const struct got_error *
3399 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3400     int limit, struct got_object_id *id)
3401 {
3402 	const struct got_error *error = NULL;
3403 	struct got_commit_graph *graph = NULL;
3404 	struct got_commit_object *commit = NULL;
3405 	int chk_next = 0, chk_multi = 0, prev_set = 0;
3406 
3407 	error = got_commit_graph_open(&graph, header->path, 0);
3408 	if (error)
3409 		return error;
3410 
3411 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3412 	    NULL);
3413 	if (error)
3414 		goto done;
3415 
3416 	for (;;) {
3417 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3418 		    NULL, NULL);
3419 		if (error) {
3420 			if (error->code == GOT_ERR_ITER_COMPLETED)
3421 				error = NULL;
3422 			goto done;
3423 		}
3424 		if (id == NULL)
3425 			goto done;
3426 
3427 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3428 			if (error)
3429 				goto done;
3430 		if (limit == 1 && chk_multi == 0 &&
3431 		    gw_trans->gw_conf->got_max_commits_display != 1) {
3432 			error = gw_get_commit(gw_trans, header, commit, id);
3433 			if (error)
3434 				goto done;
3435 		} else {
3436 			chk_multi = 1;
3437 			struct gw_header *n_header = NULL;
3438 			if ((n_header = gw_init_header()) == NULL) {
3439 				error = got_error_from_errno("malloc");
3440 				goto done;
3441 			}
3442 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3443 			    NULL, got_ref_cmp_by_name, NULL);
3444 			if (error)
3445 				goto done;
3446 
3447 			error = gw_get_commit(gw_trans, n_header, commit, id);
3448 			if (error)
3449 				goto done;
3450 			got_ref_list_free(&n_header->refs);
3451 
3452 			/*
3453 			 * we have a commit_id now, so copy it to next_prev_id
3454 			 * for navigation through gw_briefs and gw_commits
3455 			 */
3456 			if (gw_trans->next_prev_id == NULL && prev_set == 0 &&
3457 			    (gw_trans->action == GW_BRIEFS ||
3458 			     gw_trans->action == GW_COMMITS ||
3459 			     gw_trans->action == GW_SUMMARY)) {
3460 				prev_set = 1;
3461 				gw_trans->next_prev_id =
3462 				    strdup(n_header->commit_id);
3463 				if (gw_trans->next_prev_id == NULL) {
3464 					error = got_error_from_errno("strdup");
3465 					goto done;
3466 				}
3467 			}
3468 
3469 			/*
3470 			 * check for one more commit before breaking,
3471 			 * so we know whether to navicate through gw_briefs
3472 			 * gw_commits and gw_summary
3473 			 */
3474 			if (chk_next && (gw_trans->action == GW_BRIEFS||
3475 			    gw_trans->action == GW_COMMITS ||
3476 			    gw_trans->action == GW_SUMMARY)) {
3477 				gw_trans->next_id = strdup(n_header->commit_id);
3478 				if (gw_trans->next_id == NULL)
3479 					error = got_error_from_errno("strdup");
3480 				goto done;
3481 			}
3482 
3483 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3484 			    entry);
3485 		}
3486 		if (error || (limit && --limit == 0)) {
3487 			if (chk_multi == 0)
3488 				break;
3489 			chk_next = 1;
3490 		}
3491 	}
3492 done:
3493 	if (commit != NULL)
3494 		got_object_commit_close(commit);
3495 	if (graph)
3496 		got_commit_graph_close(graph);
3497 	return error;
3498 }
3499 
3500 static const struct got_error *
3501 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3502     struct got_commit_object *commit, struct got_object_id *id)
3503 {
3504 	const struct got_error *error = NULL;
3505 	struct got_reflist_entry *re;
3506 	struct got_object_id *id2 = NULL;
3507 	struct got_object_qid *parent_id;
3508 	char *commit_msg = NULL, *commit_msg0;
3509 
3510 	/*print commit*/
3511 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3512 		char *s;
3513 		const char *name;
3514 		struct got_tag_object *tag = NULL;
3515 		int cmp;
3516 
3517 		if (got_ref_is_symbolic(re->ref))
3518 			continue;
3519 
3520 		name = got_ref_get_name(re->ref);
3521 		if (strncmp(name, "refs/", 5) == 0)
3522 			name += 5;
3523 		if (strncmp(name, "got/", 4) == 0)
3524 			continue;
3525 		if (strncmp(name, "heads/", 6) == 0)
3526 			name += 6;
3527 		if (strncmp(name, "remotes/", 8) == 0)
3528 			name += 8;
3529 		if (strncmp(name, "tags/", 5) == 0) {
3530 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3531 			    re->id);
3532 			if (error) {
3533 				if (error->code != GOT_ERR_OBJ_TYPE)
3534 					continue;
3535 				/*
3536 				 * Ref points at something other
3537 				 * than a tag.
3538 				 */
3539 				error = NULL;
3540 				tag = NULL;
3541 			}
3542 		}
3543 		cmp = got_object_id_cmp(tag ?
3544 		    got_object_tag_get_object_id(tag) : re->id, id);
3545 		if (tag)
3546 			got_object_tag_close(tag);
3547 		if (cmp != 0)
3548 			continue;
3549 		s = header->refs_str;
3550 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3551 		    s ? ", " : "", name) == -1) {
3552 			error = got_error_from_errno("asprintf");
3553 			free(s);
3554 			header->refs_str = NULL;
3555 			return error;
3556 		}
3557 		free(s);
3558 	}
3559 
3560 	error = got_object_id_str(&header->commit_id, id);
3561 	if (error)
3562 		return error;
3563 
3564 	error = got_object_id_str(&header->tree_id,
3565 	    got_object_commit_get_tree_id(commit));
3566 	if (error)
3567 		return error;
3568 
3569 	if (gw_trans->action == GW_DIFF) {
3570 		parent_id = SIMPLEQ_FIRST(
3571 		    got_object_commit_get_parent_ids(commit));
3572 		if (parent_id != NULL) {
3573 			id2 = got_object_id_dup(parent_id->id);
3574 			free (parent_id);
3575 			error = got_object_id_str(&header->parent_id, id2);
3576 			if (error)
3577 				return error;
3578 			free(id2);
3579 		} else {
3580 			header->parent_id = strdup("/dev/null");
3581 			if (header->parent_id == NULL) {
3582 				error = got_error_from_errno("strdup");
3583 				return error;
3584 			}
3585 		}
3586 	}
3587 
3588 	header->committer_time =
3589 	    got_object_commit_get_committer_time(commit);
3590 
3591 	header->author =
3592 	    strdup(got_object_commit_get_author(commit));
3593 	if (header->author == NULL) {
3594 		error = got_error_from_errno("strdup");
3595 		return error;
3596 	}
3597 	header->committer =
3598 	    strdup(got_object_commit_get_committer(commit));
3599 	if (header->committer == NULL) {
3600 		error = got_error_from_errno("strdup");
3601 		return error;
3602 	}
3603 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3604 	if (error)
3605 		return error;
3606 
3607 	commit_msg = commit_msg0;
3608 	while (*commit_msg == '\n')
3609 		commit_msg++;
3610 
3611 	header->commit_msg = strdup(commit_msg);
3612 	if (header->commit_msg == NULL)
3613 		error = got_error_from_errno("strdup");
3614 	free(commit_msg0);
3615 	return error;
3616 }
3617 
3618 static const struct got_error *
3619 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3620 {
3621 	const struct got_error *error = NULL;
3622 	char *in_repo_path = NULL;
3623 	struct got_object_id *id = NULL;
3624 
3625 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3626 	if (error)
3627 		return error;
3628 
3629 	if (gw_trans->commit_id == NULL) {
3630 		struct got_reference *head_ref;
3631 		error = got_ref_open(&head_ref, gw_trans->repo,
3632 		    gw_trans->headref, 0);
3633 		if (error)
3634 			return error;
3635 
3636 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3637 		got_ref_close(head_ref);
3638 		if (error)
3639 			return error;
3640 	} else {
3641 		struct got_reference *ref;
3642 
3643 		error = got_ref_open(&ref, gw_trans->repo,
3644 		    gw_trans->commit_id, 0);
3645 		if (error == NULL) {
3646 			int obj_type;
3647 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3648 			got_ref_close(ref);
3649 			if (error)
3650 				return error;
3651 			error = got_object_get_type(&obj_type, gw_trans->repo,
3652 			    id);
3653 			if (error)
3654 				goto done;
3655 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3656 				struct got_tag_object *tag;
3657 				error = got_object_open_as_tag(&tag,
3658 				    gw_trans->repo, id);
3659 				if (error)
3660 					goto done;
3661 				if (got_object_tag_get_object_type(tag) !=
3662 				    GOT_OBJ_TYPE_COMMIT) {
3663 					got_object_tag_close(tag);
3664 					error = got_error(GOT_ERR_OBJ_TYPE);
3665 					goto done;
3666 				}
3667 				free(id);
3668 				id = got_object_id_dup(
3669 				    got_object_tag_get_object_id(tag));
3670 				if (id == NULL)
3671 					error = got_error_from_errno(
3672 					    "got_object_id_dup");
3673 				got_object_tag_close(tag);
3674 				if (error)
3675 					goto done;
3676 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3677 				error = got_error(GOT_ERR_OBJ_TYPE);
3678 				goto done;
3679 			}
3680 		}
3681 		error = got_repo_match_object_id_prefix(&id,
3682 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3683 			    gw_trans->repo);
3684 		if (error)
3685 			goto done;
3686 	}
3687 
3688 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3689 	    gw_trans->repo_path, 1);
3690 	if (error)
3691 		goto done;
3692 
3693 	if (in_repo_path) {
3694 		header->path = strdup(in_repo_path);
3695 		if (header->path == NULL) {
3696 			error = got_error_from_errno("strdup");
3697 			goto done;
3698 		}
3699 	}
3700 
3701 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3702 	    got_ref_cmp_by_name, NULL);
3703 	if (error)
3704 		goto done;
3705 
3706 	error = gw_get_commits(gw_trans, header, limit, id);
3707 done:
3708 	got_ref_list_free(&header->refs);
3709 	free(id);
3710 	free(in_repo_path);
3711 	return error;
3712 }
3713 
3714 struct blame_line {
3715 	int annotated;
3716 	char *id_str;
3717 	char *committer;
3718 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3719 };
3720 
3721 struct gw_blame_cb_args {
3722 	struct blame_line *lines;
3723 	int nlines;
3724 	int nlines_prec;
3725 	int lineno_cur;
3726 	off_t *line_offsets;
3727 	FILE *f;
3728 	struct got_repository *repo;
3729 	struct gw_trans *gw_trans;
3730 };
3731 
3732 static const struct got_error *
3733 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3734 {
3735 	const struct got_error *err = NULL;
3736 	struct gw_blame_cb_args *a = arg;
3737 	struct blame_line *bline;
3738 	char *line = NULL;
3739 	size_t linesize = 0;
3740 	struct got_commit_object *commit = NULL;
3741 	off_t offset;
3742 	struct tm tm;
3743 	time_t committer_time;
3744 	enum kcgi_err kerr = KCGI_OK;
3745 
3746 	if (nlines != a->nlines ||
3747 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3748 		return got_error(GOT_ERR_RANGE);
3749 
3750 	if (lineno == -1)
3751 		return NULL; /* no change in this commit */
3752 
3753 	/* Annotate this line. */
3754 	bline = &a->lines[lineno - 1];
3755 	if (bline->annotated)
3756 		return NULL;
3757 	err = got_object_id_str(&bline->id_str, id);
3758 	if (err)
3759 		return err;
3760 
3761 	err = got_object_open_as_commit(&commit, a->repo, id);
3762 	if (err)
3763 		goto done;
3764 
3765 	bline->committer = strdup(got_object_commit_get_committer(commit));
3766 	if (bline->committer == NULL) {
3767 		err = got_error_from_errno("strdup");
3768 		goto done;
3769 	}
3770 
3771 	committer_time = got_object_commit_get_committer_time(commit);
3772 	if (localtime_r(&committer_time, &tm) == NULL)
3773 		return got_error_from_errno("localtime_r");
3774 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3775 	    &tm) >= sizeof(bline->datebuf)) {
3776 		err = got_error(GOT_ERR_NO_SPACE);
3777 		goto done;
3778 	}
3779 	bline->annotated = 1;
3780 
3781 	/* Print lines annotated so far. */
3782 	bline = &a->lines[a->lineno_cur - 1];
3783 	if (!bline->annotated)
3784 		goto done;
3785 
3786 	offset = a->line_offsets[a->lineno_cur - 1];
3787 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3788 		err = got_error_from_errno("fseeko");
3789 		goto done;
3790 	}
3791 
3792 	while (bline->annotated) {
3793 		char *smallerthan, *at, *nl, *committer;
3794 		char *href_diff = NULL;
3795 		size_t len;
3796 
3797 		if (getline(&line, &linesize, a->f) == -1) {
3798 			if (ferror(a->f))
3799 				err = got_error_from_errno("getline");
3800 			break;
3801 		}
3802 
3803 		committer = bline->committer;
3804 		smallerthan = strchr(committer, '<');
3805 		if (smallerthan && smallerthan[1] != '\0')
3806 			committer = smallerthan + 1;
3807 		at = strchr(committer, '@');
3808 		if (at)
3809 			*at = '\0';
3810 		len = strlen(committer);
3811 		if (len >= 9)
3812 			committer[8] = '\0';
3813 
3814 		nl = strchr(line, '\n');
3815 		if (nl)
3816 			*nl = '\0';
3817 
3818 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3819 		    "blame_wrapper", KATTR__MAX);
3820 		if (kerr != KCGI_OK)
3821 			goto err;
3822 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3823 		    "blame_number", KATTR__MAX);
3824 		if (kerr != KCGI_OK)
3825 			goto err;
3826 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.*d",
3827 		    a->nlines_prec, a->lineno_cur);
3828 		if (kerr != KCGI_OK)
3829 			goto err;
3830 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3831 		if (kerr != KCGI_OK)
3832 			goto err;
3833 
3834 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3835 		    "blame_hash", KATTR__MAX);
3836 		if (kerr != KCGI_OK)
3837 			goto err;
3838 
3839 		href_diff = khttp_urlpart(NULL, NULL, "gotweb", "path",
3840 		    a->gw_trans->repo_name, "action", "diff", "commit",
3841 		    bline->id_str, NULL);
3842 		if (href_diff == NULL) {
3843 			err = got_error_from_errno("khttp_urlpart");
3844 			goto done;
3845 		}
3846 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3847 		    KATTR_HREF, href_diff, KATTR__MAX);
3848 		if (kerr != KCGI_OK)
3849 			goto done;
3850 		kerr = khtml_printf(a->gw_trans->gw_html_req, "%.8s",
3851 		    bline->id_str);
3852 		if (kerr != KCGI_OK)
3853 			goto err;
3854 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3855 		if (kerr != KCGI_OK)
3856 			goto err;
3857 
3858 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3859 		    "blame_date", KATTR__MAX);
3860 		if (kerr != KCGI_OK)
3861 			goto err;
3862 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3863 		if (kerr != KCGI_OK)
3864 			goto err;
3865 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3866 		if (kerr != KCGI_OK)
3867 			goto err;
3868 
3869 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3870 		    "blame_author", KATTR__MAX);
3871 		if (kerr != KCGI_OK)
3872 			goto err;
3873 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3874 		if (kerr != KCGI_OK)
3875 			goto err;
3876 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3877 		if (kerr != KCGI_OK)
3878 			goto err;
3879 
3880 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3881 		    "blame_code", KATTR__MAX);
3882 		if (kerr != KCGI_OK)
3883 			goto err;
3884 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3885 		if (kerr != KCGI_OK)
3886 			goto err;
3887 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3888 		if (kerr != KCGI_OK)
3889 			goto err;
3890 
3891 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3892 		if (kerr != KCGI_OK)
3893 			goto err;
3894 
3895 		a->lineno_cur++;
3896 		bline = &a->lines[a->lineno_cur - 1];
3897 err:
3898 		free(href_diff);
3899 	}
3900 done:
3901 	if (commit)
3902 		got_object_commit_close(commit);
3903 	free(line);
3904 	if (err == NULL && kerr != KCGI_OK)
3905 		err = gw_kcgi_error(kerr);
3906 	return err;
3907 }
3908 
3909 static const struct got_error *
3910 gw_output_file_blame(struct gw_trans *gw_trans)
3911 {
3912 	const struct got_error *error = NULL;
3913 	struct got_object_id *obj_id = NULL;
3914 	struct got_object_id *commit_id = NULL;
3915 	struct got_blob_object *blob = NULL;
3916 	char *path = NULL, *in_repo_path = NULL;
3917 	struct gw_blame_cb_args bca;
3918 	int i, obj_type;
3919 	size_t filesize;
3920 
3921 	if (asprintf(&path, "%s%s%s",
3922 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3923 	    gw_trans->repo_folder ? "/" : "",
3924 	    gw_trans->repo_file) == -1) {
3925 		error = got_error_from_errno("asprintf");
3926 		goto done;
3927 	}
3928 
3929 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3930 	if (error)
3931 		goto done;
3932 
3933 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3934 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3935 	if (error)
3936 		goto done;
3937 
3938 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3939 	    in_repo_path);
3940 	if (error)
3941 		goto done;
3942 
3943 	if (obj_id == NULL) {
3944 		error = got_error(GOT_ERR_NO_OBJ);
3945 		goto done;
3946 	}
3947 
3948 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3949 	if (error)
3950 		goto done;
3951 
3952 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3953 		error = got_error(GOT_ERR_OBJ_TYPE);
3954 		goto done;
3955 	}
3956 
3957 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3958 	if (error)
3959 		goto done;
3960 
3961 	bca.f = got_opentemp();
3962 	if (bca.f == NULL) {
3963 		error = got_error_from_errno("got_opentemp");
3964 		goto done;
3965 	}
3966 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3967 	    &bca.line_offsets, bca.f, blob);
3968 	if (error || bca.nlines == 0)
3969 		goto done;
3970 
3971 	/* Don't include \n at EOF in the blame line count. */
3972 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3973 		bca.nlines--;
3974 
3975 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3976 	if (bca.lines == NULL) {
3977 		error = got_error_from_errno("calloc");
3978 		goto done;
3979 	}
3980 	bca.lineno_cur = 1;
3981 	bca.nlines_prec = 0;
3982 	i = bca.nlines;
3983 	while (i > 0) {
3984 		i /= 10;
3985 		bca.nlines_prec++;
3986 	}
3987 	bca.repo = gw_trans->repo;
3988 	bca.gw_trans = gw_trans;
3989 
3990 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3991 	    &bca, NULL, NULL);
3992 done:
3993 	free(in_repo_path);
3994 	free(commit_id);
3995 	free(obj_id);
3996 	free(path);
3997 
3998 	if (blob) {
3999 		free(bca.line_offsets);
4000 		for (i = 0; i < bca.nlines; i++) {
4001 			struct blame_line *bline = &bca.lines[i];
4002 			free(bline->id_str);
4003 			free(bline->committer);
4004 		}
4005 		free(bca.lines);
4006 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
4007 			error = got_error_from_errno("fclose");
4008 	}
4009 	if (blob)
4010 		got_object_blob_close(blob);
4011 	return error;
4012 }
4013 
4014 static const struct got_error *
4015 gw_output_blob_buf(struct gw_trans *gw_trans)
4016 {
4017 	const struct got_error *error = NULL;
4018 	struct got_object_id *obj_id = NULL;
4019 	struct got_object_id *commit_id = NULL;
4020 	struct got_blob_object *blob = NULL;
4021 	char *path = NULL, *in_repo_path = NULL;
4022 	int obj_type, set_mime = 0;
4023 	size_t len, hdrlen;
4024 	const uint8_t *buf;
4025 	enum kcgi_err kerr = KCGI_OK;
4026 
4027 	if (asprintf(&path, "%s%s%s",
4028 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4029 	    gw_trans->repo_folder ? "/" : "",
4030 	    gw_trans->repo_file) == -1) {
4031 		error = got_error_from_errno("asprintf");
4032 		goto done;
4033 	}
4034 
4035 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
4036 	if (error)
4037 		goto done;
4038 
4039 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
4040 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
4041 	if (error)
4042 		goto done;
4043 
4044 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
4045 	    in_repo_path);
4046 	if (error)
4047 		goto done;
4048 
4049 	if (obj_id == NULL) {
4050 		error = got_error(GOT_ERR_NO_OBJ);
4051 		goto done;
4052 	}
4053 
4054 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
4055 	if (error)
4056 		goto done;
4057 
4058 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
4059 		error = got_error(GOT_ERR_OBJ_TYPE);
4060 		goto done;
4061 	}
4062 
4063 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
4064 	if (error)
4065 		goto done;
4066 
4067 	hdrlen = got_object_blob_get_hdrlen(blob);
4068 	do {
4069 		error = got_object_blob_read_block(&len, blob);
4070 		if (error)
4071 			goto done;
4072 		buf = got_object_blob_get_read_buf(blob);
4073 
4074 		/*
4075 		 * Skip blob object header first time around,
4076 		 * which also contains a zero byte.
4077 		 */
4078 		buf += hdrlen;
4079 		if (set_mime == 0) {
4080 			if (isbinary(buf, len - hdrlen))
4081 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
4082 			else
4083 				gw_trans->mime = KMIME_TEXT_PLAIN;
4084 			set_mime = 1;
4085 			error = gw_display_index(gw_trans);
4086 			if (error)
4087 				goto done;
4088 		}
4089 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
4090 		if (kerr != KCGI_OK)
4091 			goto done;
4092 		hdrlen = 0;
4093 	} while (len != 0);
4094 done:
4095 	free(in_repo_path);
4096 	free(commit_id);
4097 	free(obj_id);
4098 	free(path);
4099 	if (blob)
4100 		got_object_blob_close(blob);
4101 	if (error == NULL && kerr != KCGI_OK)
4102 		error = gw_kcgi_error(kerr);
4103 	return error;
4104 }
4105 
4106 static const struct got_error *
4107 gw_output_repo_tree(struct gw_trans *gw_trans)
4108 {
4109 	const struct got_error *error = NULL;
4110 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
4111 	struct got_tree_object *tree = NULL;
4112 	char *path = NULL, *in_repo_path = NULL;
4113 	char *id_str = NULL;
4114 	char *build_folder = NULL;
4115 	char *href_blob = NULL, *href_blame = NULL;
4116 	const char *class = NULL;
4117 	int nentries, i, class_flip = 0;
4118 	enum kcgi_err kerr = KCGI_OK;
4119 
4120 	if (gw_trans->repo_folder != NULL) {
4121 		path = strdup(gw_trans->repo_folder);
4122 		if (path == NULL) {
4123 			error = got_error_from_errno("strdup");
4124 			goto done;
4125 		}
4126 	} else {
4127 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
4128 		    gw_trans->repo_path, 1);
4129 		if (error)
4130 			goto done;
4131 		free(path);
4132 		path = in_repo_path;
4133 	}
4134 
4135 	if (gw_trans->commit_id == NULL) {
4136 		struct got_reference *head_ref;
4137 		error = got_ref_open(&head_ref, gw_trans->repo,
4138 		    gw_trans->headref, 0);
4139 		if (error)
4140 			goto done;
4141 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
4142 		if (error)
4143 			goto done;
4144 		got_ref_close(head_ref);
4145 		/*
4146 		 * gw_trans->commit_id was not parsed from the querystring
4147 		 * we hit this code path from gw_index, where we don't know the
4148 		 * commit values for the tree link yet, so set
4149 		 * gw_trans->commit_id here to continue further into the tree
4150 		 */
4151 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
4152 		if (error)
4153 			goto done;
4154 
4155 	} else {
4156 		error = got_repo_match_object_id(&commit_id, NULL,
4157 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
4158 		    gw_trans->repo);
4159 		if (error)
4160 			goto done;
4161 	}
4162 
4163 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
4164 	    path);
4165 	if (error)
4166 		goto done;
4167 
4168 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
4169 	if (error)
4170 		goto done;
4171 
4172 	nentries = got_object_tree_get_nentries(tree);
4173 	for (i = 0; i < nentries; i++) {
4174 		struct got_tree_entry *te;
4175 		const char *modestr = "";
4176 		mode_t mode;
4177 
4178 		te = got_object_tree_get_entry(tree, i);
4179 
4180 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
4181 		if (error)
4182 			goto done;
4183 
4184 		mode = got_tree_entry_get_mode(te);
4185 		if (got_object_tree_entry_is_submodule(te))
4186 			modestr = "$";
4187 		else if (S_ISLNK(mode))
4188 			modestr = "@";
4189 		else if (S_ISDIR(mode))
4190 			modestr = "/";
4191 		else if (mode & S_IXUSR)
4192 			modestr = "*";
4193 
4194 		if (class_flip == 0) {
4195 			class = "back_lightgray";
4196 			class_flip = 1;
4197 		} else {
4198 			class = "back_white";
4199 			class_flip = 0;
4200 		}
4201 
4202 		if (S_ISDIR(mode)) {
4203 			if (asprintf(&build_folder, "%s/%s",
4204 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4205 			    got_tree_entry_get_name(te)) == -1) {
4206 				error = got_error_from_errno("asprintf");
4207 				goto done;
4208 			}
4209 
4210 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4211 			    gw_trans->repo_name, "action",
4212 			    gw_get_action_name(gw_trans), "commit",
4213 			    gw_trans->commit_id, "folder", build_folder, NULL);
4214 			if (href_blob == NULL) {
4215 				error = got_error_from_errno("khttp_urlpart");
4216 				goto done;
4217 			}
4218 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4219 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4220 			if (kerr != KCGI_OK)
4221 				goto done;
4222 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4223 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4224 			    KATTR__MAX);
4225 			if (kerr != KCGI_OK)
4226 				goto done;
4227 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4228 			    KATTR_HREF, href_blob, KATTR_CLASS,
4229 			    "diff_directory", KATTR__MAX);
4230 			if (kerr != KCGI_OK)
4231 				goto done;
4232 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4233 			    got_tree_entry_get_name(te), modestr);
4234 			if (kerr != KCGI_OK)
4235 				goto done;
4236 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4237 			if (kerr != KCGI_OK)
4238 				goto done;
4239 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4240 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
4241 			    KATTR__MAX);
4242 			if (kerr != KCGI_OK)
4243 				goto done;
4244 			kerr = khtml_entity(gw_trans->gw_html_req,
4245 			    KENTITY_nbsp);
4246 			if (kerr != KCGI_OK)
4247 				goto done;
4248 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4249 			if (kerr != KCGI_OK)
4250 				goto done;
4251 		} else {
4252 			href_blob = khttp_urlpart(NULL, NULL, "gotweb", "path",
4253 			    gw_trans->repo_name, "action", "blob", "commit",
4254 			    gw_trans->commit_id, "file",
4255 			    got_tree_entry_get_name(te), "folder",
4256 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4257 			    NULL);
4258 			if (href_blob == NULL) {
4259 				error = got_error_from_errno("khttp_urlpart");
4260 				goto done;
4261 			}
4262 			href_blame = khttp_urlpart(NULL, NULL, "gotweb", "path",
4263 			    gw_trans->repo_name, "action", "blame", "commit",
4264 			    gw_trans->commit_id, "file",
4265 			    got_tree_entry_get_name(te), "folder", 
4266 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
4267 			    NULL);
4268 			if (href_blame == NULL) {
4269 				error = got_error_from_errno("khttp_urlpart");
4270 				goto done;
4271 			}
4272 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4273 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
4274 			if (kerr != KCGI_OK)
4275 				goto done;
4276 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4277 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
4278 			    KATTR__MAX);
4279 			if (kerr != KCGI_OK)
4280 				goto done;
4281 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4282 			    KATTR_HREF, href_blob, KATTR__MAX);
4283 			if (kerr != KCGI_OK)
4284 				goto done;
4285 			kerr = khtml_printf(gw_trans->gw_html_req, "%s%s",
4286 			    got_tree_entry_get_name(te), modestr);
4287 			if (kerr != KCGI_OK)
4288 				goto done;
4289 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4290 			if (kerr != KCGI_OK)
4291 				goto done;
4292 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4293 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
4294 			    KATTR__MAX);
4295 			if (kerr != KCGI_OK)
4296 				goto done;
4297 
4298 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4299 			    KATTR_HREF, href_blob, KATTR__MAX);
4300 			if (kerr != KCGI_OK)
4301 				goto done;
4302 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
4303 			if (kerr != KCGI_OK)
4304 				goto done;
4305 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4306 			if (kerr != KCGI_OK)
4307 				goto done;
4308 
4309 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4310 			if (kerr != KCGI_OK)
4311 				goto done;
4312 
4313 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
4314 			    KATTR_HREF, href_blame, KATTR__MAX);
4315 			if (kerr != KCGI_OK)
4316 				goto done;
4317 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
4318 			if (kerr != KCGI_OK)
4319 				goto done;
4320 
4321 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4322 			if (kerr != KCGI_OK)
4323 				goto done;
4324 		}
4325 		free(id_str);
4326 		id_str = NULL;
4327 		free(href_blob);
4328 		href_blob = NULL;
4329 		free(build_folder);
4330 		build_folder = NULL;
4331 	}
4332 done:
4333 	if (tree)
4334 		got_object_tree_close(tree);
4335 	free(id_str);
4336 	free(href_blob);
4337 	free(href_blame);
4338 	free(in_repo_path);
4339 	free(tree_id);
4340 	free(build_folder);
4341 	if (error == NULL && kerr != KCGI_OK)
4342 		error = gw_kcgi_error(kerr);
4343 	return error;
4344 }
4345 
4346 static const struct got_error *
4347 gw_output_repo_heads(struct gw_trans *gw_trans)
4348 {
4349 	const struct got_error *error = NULL;
4350 	struct got_reflist_head refs;
4351 	struct got_reflist_entry *re;
4352 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
4353 	char *href_commits = NULL;
4354 	enum kcgi_err kerr = KCGI_OK;
4355 
4356 	SIMPLEQ_INIT(&refs);
4357 
4358 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
4359 	    got_ref_cmp_by_name, NULL);
4360 	if (error)
4361 		goto done;
4362 
4363 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4364 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
4365 	if (kerr != KCGI_OK)
4366 		goto done;
4367 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4368 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
4369 	if (kerr != KCGI_OK)
4370 		goto done;
4371 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
4372 	if (kerr != KCGI_OK)
4373 		goto done;
4374 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4375 	if (kerr != KCGI_OK)
4376 		goto done;
4377 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4378 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
4379 	if (kerr != KCGI_OK)
4380 		goto done;
4381 
4382 	SIMPLEQ_FOREACH(re, &refs, entry) {
4383 		const char *refname;
4384 
4385 		if (got_ref_is_symbolic(re->ref))
4386 			continue;
4387 
4388 		refname = got_ref_get_name(re->ref);
4389 		if (strncmp(refname, "refs/heads/", 11) != 0)
4390 			continue;
4391 
4392 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
4393 		    refname, TM_DIFF);
4394 		if (error)
4395 			goto done;
4396 
4397 		if (strncmp(refname, "refs/heads/", 11) == 0)
4398 			refname += 11;
4399 
4400 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4401 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4402 		if (kerr != KCGI_OK)
4403 			goto done;
4404 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4405 		    KATTR_ID, "heads_age", KATTR__MAX);
4406 		if (kerr != KCGI_OK)
4407 			goto done;
4408 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4409 		if (kerr != KCGI_OK)
4410 			goto done;
4411 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4412 		if (kerr != KCGI_OK)
4413 			goto done;
4414 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4415 		    KATTR_ID, "heads_space", KATTR__MAX);
4416 		if (kerr != KCGI_OK)
4417 			goto done;
4418 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4419 		if (kerr != KCGI_OK)
4420 			goto done;
4421 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4422 		if (kerr != KCGI_OK)
4423 			goto done;
4424 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4425 		    KATTR_ID, "head", KATTR__MAX);
4426 		if (kerr != KCGI_OK)
4427 			goto done;
4428 
4429 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4430 		    gw_trans->repo_name, "action", "summary", "headref",
4431 		    refname, NULL);
4432 		if (href_summary == NULL) {
4433 			error = got_error_from_errno("khttp_urlpart");
4434 			goto done;
4435 		}
4436 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4437 		    href_summary, KATTR__MAX);
4438 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4439 		if (kerr != KCGI_OK)
4440 			goto done;
4441 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4442 		if (kerr != KCGI_OK)
4443 			goto done;
4444 
4445 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4446 		    "navs_wrapper", KATTR__MAX);
4447 		if (kerr != KCGI_OK)
4448 			goto done;
4449 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4450 		    "navs", KATTR__MAX);
4451 		if (kerr != KCGI_OK)
4452 			goto done;
4453 
4454 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4455 		    href_summary, KATTR__MAX);
4456 		if (kerr != KCGI_OK)
4457 			goto done;
4458 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4459 		if (kerr != KCGI_OK)
4460 			goto done;
4461 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4462 		if (kerr != KCGI_OK)
4463 			goto done;
4464 
4465 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4466 		if (kerr != KCGI_OK)
4467 			goto done;
4468 
4469 		href_briefs = khttp_urlpart(NULL, NULL, "gotweb", "path",
4470 		    gw_trans->repo_name, "action", "briefs", "headref",
4471 		    refname, NULL);
4472 		if (href_briefs == NULL) {
4473 			error = got_error_from_errno("khttp_urlpart");
4474 			goto done;
4475 		}
4476 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4477 		    href_briefs, KATTR__MAX);
4478 		if (kerr != KCGI_OK)
4479 			goto done;
4480 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4481 		if (kerr != KCGI_OK)
4482 			goto done;
4483 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4484 		if (kerr != KCGI_OK)
4485 			goto done;
4486 
4487 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4488 		if (kerr != KCGI_OK)
4489 			goto done;
4490 
4491 		href_commits = khttp_urlpart(NULL, NULL, "gotweb", "path",
4492 		    gw_trans->repo_name, "action", "commits", "headref",
4493 		    refname, NULL);
4494 		if (href_commits == NULL) {
4495 			error = got_error_from_errno("khttp_urlpart");
4496 			goto done;
4497 		}
4498 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4499 		    href_commits, KATTR__MAX);
4500 		if (kerr != KCGI_OK)
4501 			goto done;
4502 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4503 		if (kerr != KCGI_OK)
4504 			goto done;
4505 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4506 		if (kerr != KCGI_OK)
4507 			goto done;
4508 
4509 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4510 		    "dotted_line", KATTR__MAX);
4511 		if (kerr != KCGI_OK)
4512 			goto done;
4513 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4514 		if (kerr != KCGI_OK)
4515 			goto done;
4516 		free(href_summary);
4517 		href_summary = NULL;
4518 		free(href_briefs);
4519 		href_briefs = NULL;
4520 		free(href_commits);
4521 		href_commits = NULL;
4522 	}
4523 done:
4524 	got_ref_list_free(&refs);
4525 	free(href_summary);
4526 	free(href_briefs);
4527 	free(href_commits);
4528 	return error;
4529 }
4530 
4531 static const struct got_error *
4532 gw_output_site_link(struct gw_trans *gw_trans)
4533 {
4534 	const struct got_error *error = NULL;
4535 	char *href_summary = NULL;
4536 	enum kcgi_err kerr = KCGI_OK;
4537 
4538 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4539 	    "site_link", KATTR__MAX);
4540 	if (kerr != KCGI_OK)
4541 		goto done;
4542 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4543 	    KATTR__MAX);
4544 	if (kerr != KCGI_OK)
4545 		goto done;
4546 	kerr = khtml_puts(gw_trans->gw_html_req,
4547 	   gw_trans->gw_conf->got_site_link);
4548 	if (kerr != KCGI_OK)
4549 		goto done;
4550 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4551 	if (kerr != KCGI_OK)
4552 		goto done;
4553 
4554 	if (gw_trans->repo_name != NULL) {
4555 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4556 		if (kerr != KCGI_OK)
4557 			goto done;
4558 
4559 		href_summary = khttp_urlpart(NULL, NULL, "gotweb", "path",
4560 		    gw_trans->repo_name, "action", "summary", NULL);
4561 		if (href_summary == NULL) {
4562 			error = got_error_from_errno("khttp_urlpart");
4563 			goto done;
4564 		}
4565 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4566 		    href_summary, KATTR__MAX);
4567 		if (kerr != KCGI_OK)
4568 			goto done;
4569 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4570 		if (kerr != KCGI_OK)
4571 			goto done;
4572 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4573 		if (kerr != KCGI_OK)
4574 			goto done;
4575 		kerr = khtml_printf(gw_trans->gw_html_req, " / %s",
4576 		    gw_get_action_name(gw_trans));
4577 		if (kerr != KCGI_OK)
4578 			goto done;
4579 	}
4580 
4581 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4582 	if (kerr != KCGI_OK)
4583 		goto done;
4584 done:
4585 	free(href_summary);
4586 	if (error == NULL && kerr != KCGI_OK)
4587 		error = gw_kcgi_error(kerr);
4588 	return error;
4589 }
4590 
4591 static const struct got_error *
4592 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4593 {
4594 	const struct got_error *error = NULL;
4595 	char *color = NULL;
4596 	enum kcgi_err kerr = KCGI_OK;
4597 
4598 	if (strncmp(buf, "-", 1) == 0)
4599 		color = "diff_minus";
4600 	else if (strncmp(buf, "+", 1) == 0)
4601 		color = "diff_plus";
4602 	else if (strncmp(buf, "@@", 2) == 0)
4603 		color = "diff_chunk_header";
4604 	else if (strncmp(buf, "@@", 2) == 0)
4605 		color = "diff_chunk_header";
4606 	else if (strncmp(buf, "commit +", 8) == 0)
4607 		color = "diff_meta";
4608 	else if (strncmp(buf, "commit -", 8) == 0)
4609 		color = "diff_meta";
4610 	else if (strncmp(buf, "blob +", 6) == 0)
4611 		color = "diff_meta";
4612 	else if (strncmp(buf, "blob -", 6) == 0)
4613 		color = "diff_meta";
4614 	else if (strncmp(buf, "file +", 6) == 0)
4615 		color = "diff_meta";
4616 	else if (strncmp(buf, "file -", 6) == 0)
4617 		color = "diff_meta";
4618 	else if (strncmp(buf, "from:", 5) == 0)
4619 		color = "diff_author";
4620 	else if (strncmp(buf, "via:", 4) == 0)
4621 		color = "diff_author";
4622 	else if (strncmp(buf, "date:", 5) == 0)
4623 		color = "diff_date";
4624 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4625 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4626 	if (error == NULL && kerr != KCGI_OK)
4627 		error = gw_kcgi_error(kerr);
4628 	return error;
4629 }
4630 
4631 int
4632 main(int argc, char *argv[])
4633 {
4634 	const struct got_error *error = NULL;
4635 	struct gw_trans *gw_trans;
4636 	struct gw_dir *dir = NULL, *tdir;
4637 	const char *page = "index";
4638 	int gw_malloc = 1;
4639 	enum kcgi_err kerr = KCGI_OK;
4640 
4641 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4642 		errx(1, "malloc");
4643 
4644 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4645 		errx(1, "malloc");
4646 
4647 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4648 		errx(1, "malloc");
4649 
4650 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4651 		errx(1, "malloc");
4652 
4653 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4654 	if (kerr != KCGI_OK) {
4655 		error = gw_kcgi_error(kerr);
4656 		goto done;
4657 	}
4658 
4659 	TAILQ_INIT(&gw_trans->gw_dirs);
4660 	TAILQ_INIT(&gw_trans->gw_headers);
4661 
4662 	gw_trans->action = -1;
4663 	gw_trans->page = 0;
4664 	gw_trans->repos_total = 0;
4665 	gw_trans->repo_path = NULL;
4666 	gw_trans->commit_id = NULL;
4667 	gw_trans->next_id = NULL;
4668 	gw_trans->next_prev_id = NULL;
4669 	gw_trans->prev_id = NULL;
4670 	gw_trans->prev_prev_id = NULL;
4671 	gw_trans->headref = GOT_REF_HEAD;
4672 	gw_trans->mime = KMIME_TEXT_HTML;
4673 	gw_trans->gw_tmpl->key = gw_templs;
4674 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4675 	gw_trans->gw_tmpl->arg = gw_trans;
4676 	gw_trans->gw_tmpl->cb = gw_template;
4677 
4678 	error = parse_gotweb_config(&gw_trans->gw_conf, GOTWEB_CONF);
4679 	if (error)
4680 		goto done;
4681 
4682 	error = gw_parse_querystring(gw_trans);
4683 	if (error)
4684 		goto done;
4685 
4686 	if (gw_trans->action == GW_BLOB)
4687 		error = gw_blob(gw_trans);
4688 	else
4689 		error = gw_display_index(gw_trans);
4690 done:
4691 	if (gw_malloc) {
4692 		free(gw_trans->gw_conf->got_repos_path);
4693 		free(gw_trans->gw_conf->got_site_name);
4694 		free(gw_trans->gw_conf->got_site_owner);
4695 		free(gw_trans->gw_conf->got_site_link);
4696 		free(gw_trans->gw_conf->got_logo);
4697 		free(gw_trans->gw_conf->got_logo_url);
4698 		free(gw_trans->gw_conf);
4699 		free(gw_trans->commit_id);
4700 		free(gw_trans->next_id);
4701 		free(gw_trans->next_prev_id);
4702 		free(gw_trans->prev_id);
4703 		free(gw_trans->prev_prev_id);
4704 		free(gw_trans->repo_path);
4705 		if (gw_trans->repo)
4706 			got_repo_close(gw_trans->repo);
4707 
4708 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4709 			free(dir->name);
4710 			free(dir->description);
4711 			free(dir->age);
4712 			free(dir->url);
4713 			free(dir->path);
4714 			free(dir);
4715 		}
4716 
4717 	}
4718 
4719 	khttp_free(gw_trans->gw_req);
4720 	return 0;
4721 }