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