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