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