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 		if (dt && closedir(dt) == -1 && error == NULL)
1633 			error = got_error_from_errno("closedir");
1634 	return error;
1635 }
1636 
1637 static const struct got_error *
1638 gw_load_got_paths(struct gw_trans *gw_trans)
1639 {
1640 	const struct got_error *error = NULL;
1641 	DIR *d;
1642 	struct dirent **sd_dent;
1643 	struct gw_dir *gw_dir;
1644 	struct stat st;
1645 	unsigned int d_cnt, d_i;
1646 
1647 	d = opendir(gw_trans->gw_conf->got_repos_path);
1648 	if (d == NULL) {
1649 		error = got_error_from_errno2("opendir",
1650 		    gw_trans->gw_conf->got_repos_path);
1651 		return error;
1652 	}
1653 
1654 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
1655 	    alphasort);
1656 	if (d_cnt == -1) {
1657 		error = got_error_from_errno2("scandir",
1658 		    gw_trans->gw_conf->got_repos_path);
1659 		goto done;
1660 	}
1661 
1662 	for (d_i = 0; d_i < d_cnt; d_i++) {
1663 		if (gw_trans->gw_conf->got_max_repos > 0 &&
1664 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
1665 			break; /* account for parent and self */
1666 
1667 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
1668 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
1669 			continue;
1670 
1671 		error = gw_init_gw_dir(&gw_dir, sd_dent[d_i]->d_name);
1672 		if (error)
1673 			goto done;
1674 
1675 		error = gw_load_got_path(gw_trans, gw_dir);
1676 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
1677 			error = NULL;
1678 			continue;
1679 		}
1680 		else if (error)
1681 			goto done;
1682 
1683 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
1684 		    !got_path_dir_is_empty(gw_dir->path)) {
1685 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
1686 			    entry);
1687 			gw_trans->repos_total++;
1688 		}
1689 	}
1690 done:
1691 	if (d && closedir(d) == -1 && error == NULL)
1692 		error = got_error_from_errno("closedir");
1693 	return error;
1694 }
1695 
1696 static const struct got_error *
1697 gw_parse_querystring(struct gw_trans *gw_trans)
1698 {
1699 	const struct got_error *error = NULL;
1700 	struct kpair *p;
1701 	struct gw_query_action *action = NULL;
1702 	unsigned int i;
1703 
1704 	if (gw_trans->gw_req->fieldnmap[0]) {
1705 		error = got_error_from_errno("bad parse");
1706 		return error;
1707 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
1708 		/* define gw_trans->repo_path */
1709 		gw_trans->repo_name = p->parsed.s;
1710 
1711 		if (asprintf(&gw_trans->repo_path, "%s/%s",
1712 		    gw_trans->gw_conf->got_repos_path, p->parsed.s) == -1)
1713 			return got_error_from_errno("asprintf");
1714 
1715 		/* get action and set function */
1716 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION])) {
1717 			for (i = 0; i < nitems(gw_query_funcs); i++) {
1718 				action = &gw_query_funcs[i];
1719 				if (action->func_name == NULL)
1720 					continue;
1721 				if (strcmp(action->func_name,
1722 				    p->parsed.s) == 0) {
1723 					gw_trans->action = i;
1724 					break;
1725 				}
1726 			}
1727 		}
1728 		if (gw_trans->action == -1) {
1729 			gw_trans->action = GW_ERR;
1730 			gw_trans->error = got_error_from_errno("bad action");
1731 			return error;
1732 		}
1733 
1734  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID])) {
1735 			if (asprintf(&gw_trans->commit_id, "%s",
1736 			    p->parsed.s) == -1)
1737 				return got_error_from_errno("asprintf");
1738 		}
1739 
1740 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
1741 			gw_trans->repo_file = p->parsed.s;
1742 
1743 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER])) {
1744 			if (asprintf(&gw_trans->repo_folder, "%s",
1745 			    p->parsed.s) == -1)
1746 				return got_error_from_errno("asprintf");
1747 		}
1748 
1749 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
1750 			gw_trans->headref = p->parsed.s;
1751 
1752 		error = gw_init_gw_dir(&gw_trans->gw_dir, gw_trans->repo_name);
1753 		if (error)
1754 			return error;
1755 
1756 		gw_trans->error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
1757 	} else
1758 		gw_trans->action = GW_INDEX;
1759 
1760 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
1761 		gw_trans->page = p->parsed.i;
1762 
1763 	return error;
1764 }
1765 
1766 static const struct got_error *
1767 gw_init_gw_dir(struct gw_dir **gw_dir, const char *dir)
1768 {
1769 	const struct got_error *error;
1770 
1771 	*gw_dir = malloc(sizeof(**gw_dir));
1772 	if (*gw_dir == NULL)
1773 		return got_error_from_errno("malloc");
1774 
1775 	if (asprintf(&(*gw_dir)->name, "%s", dir) == -1) {
1776 		error = got_error_from_errno("asprintf");
1777 		free(*gw_dir);
1778 		*gw_dir = NULL;
1779 		return NULL;
1780 	}
1781 
1782 	return NULL;
1783 }
1784 
1785 static const struct got_error *
1786 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
1787 {
1788 	enum kcgi_err kerr;
1789 
1790 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
1791 	if (kerr != KCGI_OK)
1792 		return gw_kcgi_error(kerr);
1793 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
1794 	    khttps[code]);
1795 	if (kerr != KCGI_OK)
1796 		return gw_kcgi_error(kerr);
1797 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
1798 	    kmimetypes[mime]);
1799 	if (kerr != KCGI_OK)
1800 		return gw_kcgi_error(kerr);
1801 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options",
1802 	    "nosniff");
1803 	if (kerr != KCGI_OK)
1804 		return gw_kcgi_error(kerr);
1805 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
1806 	if (kerr != KCGI_OK)
1807 		return gw_kcgi_error(kerr);
1808 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection",
1809 	    "1; mode=block");
1810 	if (kerr != KCGI_OK)
1811 		return gw_kcgi_error(kerr);
1812 
1813 	if (gw_trans->mime == KMIME_APP_OCTET_STREAM) {
1814 		kerr = khttp_head(gw_trans->gw_req,
1815 		    kresps[KRESP_CONTENT_DISPOSITION],
1816 		    "attachment; filename=%s", gw_trans->repo_file);
1817 		if (kerr != KCGI_OK)
1818 			return gw_kcgi_error(kerr);
1819 	}
1820 
1821 	kerr = khttp_body(gw_trans->gw_req);
1822 	return gw_kcgi_error(kerr);
1823 }
1824 
1825 static const struct got_error *
1826 gw_display_index(struct gw_trans *gw_trans)
1827 {
1828 	const struct got_error *error;
1829 	enum kcgi_err kerr;
1830 
1831 	/* catch early querystring errors */
1832 	if (gw_trans->error)
1833 		gw_trans->action = GW_ERR;
1834 
1835 	error = gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
1836 	if (error)
1837 		return error;
1838 
1839 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
1840 	if (kerr != KCGI_OK)
1841 		return gw_kcgi_error(kerr);
1842 
1843 	if (gw_trans->action != GW_BLOB) {
1844 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
1845 		    gw_query_funcs[gw_trans->action].template);
1846 		if (kerr != KCGI_OK) {
1847 			khtml_close(gw_trans->gw_html_req);
1848 			return gw_kcgi_error(kerr);
1849 		}
1850 	}
1851 
1852 	return gw_kcgi_error(khtml_close(gw_trans->gw_html_req));
1853 }
1854 
1855 static const struct got_error *
1856 gw_error(struct gw_trans *gw_trans)
1857 {
1858 	enum kcgi_err kerr;
1859 
1860 	kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->error->msg);
1861 
1862 	return gw_kcgi_error(kerr);
1863 }
1864 
1865 static int
1866 gw_template(size_t key, void *arg)
1867 {
1868 	const struct got_error *error = NULL;
1869 	enum kcgi_err kerr;
1870 	struct gw_trans *gw_trans = arg;
1871 	char *img_src = NULL;
1872 
1873 	switch (key) {
1874 	case (TEMPL_HEAD):
1875 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
1876 		    KATTR_NAME, "viewport",
1877 		    KATTR_CONTENT, "initial-scale=.75, user-scalable=yes",
1878 		    KATTR__MAX);
1879 		if (kerr != KCGI_OK)
1880 			return 0;
1881 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1882 		if (kerr != KCGI_OK)
1883 			return 0;
1884 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
1885 		    KATTR_CHARSET, "utf-8",
1886 		    KATTR__MAX);
1887 		if (kerr != KCGI_OK)
1888 			return 0;
1889 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1890 		if (kerr != KCGI_OK)
1891 			return 0;
1892 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
1893 		    KATTR_NAME, "msapplication-TileColor",
1894 		    KATTR_CONTENT, "#da532c", KATTR__MAX);
1895 		if (kerr != KCGI_OK)
1896 			return 0;
1897 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1898 		if (kerr != KCGI_OK)
1899 			return 0;
1900 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_META,
1901 		    KATTR_NAME, "theme-color",
1902 		    KATTR_CONTENT, "#ffffff", KATTR__MAX);
1903 		if (kerr != KCGI_OK)
1904 			return 0;
1905 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1906 		if (kerr != KCGI_OK)
1907 			return 0;
1908 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1909 		    KATTR_REL, "apple-touch-icon", KATTR_SIZES, "180x180",
1910 		    KATTR_HREF, "/apple-touch-icon.png", KATTR__MAX);
1911 		if (kerr != KCGI_OK)
1912 			return 0;
1913 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1914 		if (kerr != KCGI_OK)
1915 			return 0;
1916 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1917 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
1918 		    "32x32", KATTR_HREF, "/favicon-32x32.png", KATTR__MAX);
1919 		if (kerr != KCGI_OK)
1920 			return 0;
1921 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1922 		if (kerr != KCGI_OK)
1923 			return 0;
1924 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1925 		    KATTR_REL, "icon", KATTR_TYPE, "image/png", KATTR_SIZES,
1926 		    "16x16", KATTR_HREF, "/favicon-16x16.png", KATTR__MAX);
1927 		if (kerr != KCGI_OK)
1928 			return 0;
1929 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1930 		if (kerr != KCGI_OK)
1931 			return 0;
1932 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1933 		    KATTR_REL, "manifest", KATTR_HREF, "/site.webmanifest",
1934 		    KATTR__MAX);
1935 		if (kerr != KCGI_OK)
1936 			return 0;
1937 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1938 		if (kerr != KCGI_OK)
1939 			return 0;
1940 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1941 		    KATTR_REL, "mask-icon", KATTR_HREF,
1942 		    "/safari-pinned-tab.svg", KATTR__MAX);
1943 		if (kerr != KCGI_OK)
1944 			return 0;
1945 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1946 		if (kerr != KCGI_OK)
1947 			return 0;
1948 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_LINK,
1949 		    KATTR_REL, "stylesheet", KATTR_TYPE, "text/css",
1950 		    KATTR_HREF, "/gotweb.css", KATTR__MAX);
1951 		if (kerr != KCGI_OK)
1952 			return 0;
1953 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
1954 		if (kerr != KCGI_OK)
1955 			return 0;
1956 		break;
1957 	case(TEMPL_HEADER):
1958 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
1959 		    KATTR_ID, "got_link", KATTR__MAX);
1960 		if (kerr != KCGI_OK)
1961 			return 0;
1962 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
1963 		    KATTR_HREF,  gw_trans->gw_conf->got_logo_url,
1964 		    KATTR_TARGET, "_sotd", KATTR__MAX);
1965 		if (kerr != KCGI_OK)
1966 			return 0;
1967 		if (asprintf(&img_src, "/%s",
1968 		    gw_trans->gw_conf->got_logo) == -1)
1969 			return 0;
1970 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_IMG,
1971 		    KATTR_SRC, img_src, KATTR__MAX);
1972 		if (kerr != KCGI_OK) {
1973 			free(img_src);
1974 			return 0;
1975 		}
1976 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
1977 		if (kerr != KCGI_OK) {
1978 			free(img_src);
1979 			return 0;
1980 		}
1981 		break;
1982 	case (TEMPL_SITEPATH):
1983 		error = gw_output_site_link(gw_trans);
1984 		if (error)
1985 			return 0;
1986 		break;
1987 	case(TEMPL_TITLE):
1988 		if (gw_trans->gw_conf->got_site_name != NULL) {
1989 			kerr = khtml_puts(gw_trans->gw_html_req,
1990 			    gw_trans->gw_conf->got_site_name);
1991 			if (kerr != KCGI_OK)
1992 				return 0;
1993 		}
1994 		break;
1995 	case (TEMPL_SEARCH):
1996 		break;
1997 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
1998 		    "search", KATTR__MAX);
1999 		if (kerr != KCGI_OK)
2000 			return 0;
2001 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_FORM,
2002 			    KATTR_METHOD, "POST", KATTR__MAX);
2003 		if (kerr != KCGI_OK)
2004 			return 0;
2005 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_INPUT, KATTR_ID,
2006 		    "got-search", KATTR_NAME, "got-search", KATTR_SIZE, "15",
2007 		    KATTR_MAXLENGTH, "50", KATTR__MAX);
2008 		if (kerr != KCGI_OK)
2009 			return 0;
2010 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BUTTON,
2011 		    KATTR__MAX);
2012 		if (kerr != KCGI_OK)
2013 			return 0;
2014 		kerr = khtml_puts(gw_trans->gw_html_req, "Search");
2015 		if (kerr != KCGI_OK)
2016 			return 0;
2017 		kerr = khtml_closeelem(gw_trans->gw_html_req, 4);
2018 		if (kerr != KCGI_OK)
2019 			return 0;
2020 		break;
2021 	case(TEMPL_SITEOWNER):
2022 		if (gw_trans->gw_conf->got_site_owner != NULL &&
2023 		    gw_trans->gw_conf->got_show_site_owner) {
2024 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2025 			    KATTR_ID, "site_owner_wrapper", KATTR__MAX);
2026 			if (kerr != KCGI_OK)
2027 				return 0;
2028 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2029 			    KATTR_ID, "site_owner", KATTR__MAX);
2030 			if (kerr != KCGI_OK)
2031 				return 0;
2032 			kerr = khtml_puts(gw_trans->gw_html_req,
2033 			    gw_trans->gw_conf->got_site_owner);
2034 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2035 			if (kerr != KCGI_OK)
2036 				return 0;
2037 		}
2038 		break;
2039 	case(TEMPL_CONTENT):
2040 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
2041 		if (error) {
2042 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2043 			    KATTR_ID, "tmpl_err", KATTR__MAX);
2044 			if (kerr != KCGI_OK)
2045 				return 0;
2046 			kerr = khttp_puts(gw_trans->gw_req, "Error: ");
2047 			if (kerr != KCGI_OK)
2048 				return 0;
2049 			kerr = khttp_puts(gw_trans->gw_req, error->msg);
2050 			if (kerr != KCGI_OK)
2051 				return 0;
2052 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2053 			if (kerr != KCGI_OK)
2054 				return 0;
2055 		}
2056 		break;
2057 	default:
2058 		return 0;
2059 	}
2060 	return 1;
2061 }
2062 
2063 static const struct got_error *
2064 gw_gen_commit_header(struct gw_trans *gw_trans, char *str1, char *str2)
2065 {
2066 	const struct got_error *error = NULL;
2067 	enum kcgi_err kerr = KCGI_OK;
2068 
2069 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2070 	    KATTR_ID, "header_commit_title", KATTR__MAX);
2071 	if (kerr != KCGI_OK)
2072 		goto done;
2073 	kerr = khtml_puts(gw_trans->gw_html_req, "Commit: ");
2074 	if (kerr != KCGI_OK)
2075 		goto done;
2076 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2077 	if (kerr != KCGI_OK)
2078 		goto done;
2079 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2080 	    KATTR_ID, "header_commit", KATTR__MAX);
2081 	if (kerr != KCGI_OK)
2082 		goto done;
2083 	kerr = khtml_puts(gw_trans->gw_html_req, str1);
2084 	if (kerr != KCGI_OK)
2085 		goto done;
2086 	kerr = khtml_puts(gw_trans->gw_html_req, " ");
2087 	if (kerr != KCGI_OK)
2088 		goto done;
2089 	if (str2 != NULL) {
2090 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_SPAN,
2091 		    KATTR_ID, "refs_str", KATTR__MAX);
2092 		if (kerr != KCGI_OK)
2093 			goto done;
2094 		kerr = khtml_puts(gw_trans->gw_html_req, "(");
2095 		if (kerr != KCGI_OK)
2096 			goto done;
2097 		kerr = khtml_puts(gw_trans->gw_html_req, str2);
2098 		if (kerr != KCGI_OK)
2099 			goto done;
2100 		kerr = khtml_puts(gw_trans->gw_html_req, ")");
2101 		if (kerr != KCGI_OK)
2102 			goto done;
2103 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2104 		if (kerr != KCGI_OK)
2105 			goto done;
2106 	}
2107 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2108 done:
2109 	if (error == NULL && kerr != KCGI_OK)
2110 		error = gw_kcgi_error(kerr);
2111 	return error;
2112 }
2113 
2114 static const struct got_error *
2115 gw_gen_diff_header(struct gw_trans *gw_trans, char *str1, char *str2)
2116 {
2117 	const struct got_error *error = NULL;
2118 	enum kcgi_err kerr = KCGI_OK;
2119 
2120 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2121 	    KATTR_ID, "header_diff_title", KATTR__MAX);
2122 	if (kerr != KCGI_OK)
2123 		goto done;
2124 	kerr = khtml_puts(gw_trans->gw_html_req, "Diff: ");
2125 	if (kerr != KCGI_OK)
2126 		goto done;
2127 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2128 	if (kerr != KCGI_OK)
2129 		goto done;
2130 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2131 	    KATTR_ID, "header_diff", KATTR__MAX);
2132 	if (kerr != KCGI_OK)
2133 		goto done;
2134 	if (str1 != NULL) {
2135 		kerr = khtml_puts(gw_trans->gw_html_req, str1);
2136 		if (kerr != KCGI_OK)
2137 			goto done;
2138 	}
2139 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_BR, KATTR__MAX);
2140 	if (kerr != KCGI_OK)
2141 		goto done;
2142 	kerr = khtml_puts(gw_trans->gw_html_req, str2);
2143 	if (kerr != KCGI_OK)
2144 		goto done;
2145 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2146 done:
2147 	if (error == NULL && kerr != KCGI_OK)
2148 		error = gw_kcgi_error(kerr);
2149 	return error;
2150 }
2151 
2152 static const struct got_error *
2153 gw_gen_age_header(struct gw_trans *gw_trans, const char *str)
2154 {
2155 	const struct got_error *error = NULL;
2156 	enum kcgi_err kerr = KCGI_OK;
2157 
2158 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2159 	    KATTR_ID, "header_age_title", KATTR__MAX);
2160 	if (kerr != KCGI_OK)
2161 		goto done;
2162 	kerr = khtml_puts(gw_trans->gw_html_req, "Date: ");
2163 	if (kerr != KCGI_OK)
2164 		goto done;
2165 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2166 	if (kerr != KCGI_OK)
2167 		goto done;
2168 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2169 	    KATTR_ID, "header_age", KATTR__MAX);
2170 	if (kerr != KCGI_OK)
2171 		goto done;
2172 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2173 	if (kerr != KCGI_OK)
2174 		goto done;
2175 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2176 done:
2177 	if (error == NULL && kerr != KCGI_OK)
2178 		error = gw_kcgi_error(kerr);
2179 	return error;
2180 }
2181 
2182 static const struct got_error *
2183 gw_gen_author_header(struct gw_trans *gw_trans, const char *str)
2184 {
2185 	const struct got_error *error = NULL;
2186 	enum kcgi_err kerr;
2187 
2188 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2189 	    KATTR_ID, "header_author_title", KATTR__MAX);
2190 	if (kerr != KCGI_OK)
2191 		goto done;
2192 	kerr = khtml_puts(gw_trans->gw_html_req, "Author: ");
2193 	if (kerr != KCGI_OK)
2194 		goto done;
2195 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2196 	if (kerr != KCGI_OK)
2197 		goto done;
2198 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2199 	    KATTR_ID, "header_author", KATTR__MAX);
2200 	if (kerr != KCGI_OK)
2201 		goto done;
2202 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2203 	if (kerr != KCGI_OK)
2204 		goto done;
2205 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2206 done:
2207 	if (error == NULL && kerr != KCGI_OK)
2208 		error = gw_kcgi_error(kerr);
2209 	return error;
2210 }
2211 
2212 static const struct got_error *
2213 gw_gen_committer_header(struct gw_trans *gw_trans, const char *str)
2214 {
2215 	const struct got_error *error = NULL;
2216 	enum kcgi_err kerr;
2217 
2218 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2219 	    KATTR_ID, "header_committer_title", KATTR__MAX);
2220 	if (kerr != KCGI_OK)
2221 		goto done;
2222 	kerr = khtml_puts(gw_trans->gw_html_req, "Committer: ");
2223 	if (kerr != KCGI_OK)
2224 		goto done;
2225 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2226 	if (kerr != KCGI_OK)
2227 		goto done;
2228 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2229 	    KATTR_ID, "header_committer", KATTR__MAX);
2230 	if (kerr != KCGI_OK)
2231 		goto done;
2232 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2233 	if (kerr != KCGI_OK)
2234 		goto done;
2235 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2236 done:
2237 	if (error == NULL && kerr != KCGI_OK)
2238 		error = gw_kcgi_error(kerr);
2239 	return error;
2240 }
2241 
2242 static const struct got_error *
2243 gw_gen_commit_msg_header(struct gw_trans *gw_trans, char *str)
2244 {
2245 	const struct got_error *error = NULL;
2246 	enum kcgi_err kerr;
2247 
2248 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2249 	    KATTR_ID, "header_commit_msg_title", KATTR__MAX);
2250 	if (kerr != KCGI_OK)
2251 		goto done;
2252 	kerr = khtml_puts(gw_trans->gw_html_req, "Message: ");
2253 	if (kerr != KCGI_OK)
2254 		goto done;
2255 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2256 	if (kerr != KCGI_OK)
2257 		goto done;
2258 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2259 	    KATTR_ID, "header_commit_msg", KATTR__MAX);
2260 	if (kerr != KCGI_OK)
2261 		goto done;
2262 	kerr = khttp_puts(gw_trans->gw_req, str);
2263 	if (kerr != KCGI_OK)
2264 		goto done;
2265 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2266 done:
2267 	if (error == NULL && kerr != KCGI_OK)
2268 		error = gw_kcgi_error(kerr);
2269 	return error;
2270 }
2271 
2272 static const struct got_error *
2273 gw_gen_tree_header(struct gw_trans *gw_trans, char *str)
2274 {
2275 	const struct got_error *error = NULL;
2276 	enum kcgi_err kerr;
2277 
2278 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2279 	    KATTR_ID, "header_tree_title", KATTR__MAX);
2280 	if (kerr != KCGI_OK)
2281 		goto done;
2282 	kerr = khtml_puts(gw_trans->gw_html_req, "Tree: ");
2283 	if (kerr != KCGI_OK)
2284 		goto done;
2285 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2286 	if (kerr != KCGI_OK)
2287 		goto done;
2288 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2289 	    KATTR_ID, "header_tree", KATTR__MAX);
2290 	if (kerr != KCGI_OK)
2291 		goto done;
2292 	kerr = khtml_puts(gw_trans->gw_html_req, str);
2293 	if (kerr != KCGI_OK)
2294 		goto done;
2295 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2296 done:
2297 	if (error == NULL && kerr != KCGI_OK)
2298 		error = gw_kcgi_error(kerr);
2299 	return error;
2300 }
2301 
2302 static const struct got_error *
2303 gw_get_repo_description(char **description, struct gw_trans *gw_trans,
2304     char *dir)
2305 {
2306 	const struct got_error *error = NULL;
2307 	FILE *f = NULL;
2308 	char *d_file = NULL;
2309 	unsigned int len;
2310 	size_t n;
2311 
2312 	*description = NULL;
2313 	if (gw_trans->gw_conf->got_show_repo_description == 0)
2314 		return NULL;
2315 
2316 	if (asprintf(&d_file, "%s/description", dir) == -1)
2317 		return got_error_from_errno("asprintf");
2318 
2319 	f = fopen(d_file, "r");
2320 	if (f == NULL) {
2321 		if (errno == ENOENT || errno == EACCES)
2322 			return NULL;
2323 		error = got_error_from_errno2("fopen", d_file);
2324 		goto done;
2325 	}
2326 
2327 	if (fseek(f, 0, SEEK_END) == -1) {
2328 		error = got_ferror(f, GOT_ERR_IO);
2329 		goto done;
2330 	}
2331 	len = ftell(f);
2332 	if (len == -1) {
2333 		error = got_ferror(f, GOT_ERR_IO);
2334 		goto done;
2335 	}
2336 	if (fseek(f, 0, SEEK_SET) == -1) {
2337 		error = got_ferror(f, GOT_ERR_IO);
2338 		goto done;
2339 	}
2340 	*description = calloc(len + 1, sizeof(**description));
2341 	if (*description == NULL) {
2342 		error = got_error_from_errno("calloc");
2343 		goto done;
2344 	}
2345 
2346 	n = fread(*description, 1, len, f);
2347 	if (n == 0 && ferror(f))
2348 		error = got_ferror(f, GOT_ERR_IO);
2349 done:
2350 	if (f != NULL && fclose(f) == -1 && error == NULL)
2351 		error = got_error_from_errno("fclose");
2352 	free(d_file);
2353 	return error;
2354 }
2355 
2356 static const struct got_error *
2357 gw_get_time_str(char **repo_age, time_t committer_time, int ref_tm)
2358 {
2359 	struct tm tm;
2360 	time_t diff_time;
2361 	char *years = "years ago", *months = "months ago";
2362 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
2363 	char *minutes = "minutes ago", *seconds = "seconds ago";
2364 	char *now = "right now";
2365 	char *s;
2366 	char datebuf[29];
2367 
2368 	*repo_age = NULL;
2369 
2370 	switch (ref_tm) {
2371 	case TM_DIFF:
2372 		diff_time = time(NULL) - committer_time;
2373 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
2374 			if (asprintf(repo_age, "%lld %s",
2375 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
2376 				return got_error_from_errno("asprintf");
2377 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
2378 			if (asprintf(repo_age, "%lld %s",
2379 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
2380 			    months) == -1)
2381 				return got_error_from_errno("asprintf");
2382 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
2383 			if (asprintf(repo_age, "%lld %s",
2384 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
2385 				return got_error_from_errno("asprintf");
2386 		} else if (diff_time > 60 * 60 * 24 * 2) {
2387 			if (asprintf(repo_age, "%lld %s",
2388 			    (diff_time / 60 / 60 / 24), days) == -1)
2389 				return got_error_from_errno("asprintf");
2390 		} else if (diff_time > 60 * 60 * 2) {
2391 			if (asprintf(repo_age, "%lld %s",
2392 			    (diff_time / 60 / 60), hours) == -1)
2393 				return got_error_from_errno("asprintf");
2394 		} else if (diff_time > 60 * 2) {
2395 			if (asprintf(repo_age, "%lld %s", (diff_time / 60),
2396 			    minutes) == -1)
2397 				return got_error_from_errno("asprintf");
2398 		} else if (diff_time > 2) {
2399 			if (asprintf(repo_age, "%lld %s", diff_time,
2400 			    seconds) == -1)
2401 				return got_error_from_errno("asprintf");
2402 		} else {
2403 			if (asprintf(repo_age, "%s", now) == -1)
2404 				return got_error_from_errno("asprintf");
2405 		}
2406 		break;
2407 	case TM_LONG:
2408 		if (gmtime_r(&committer_time, &tm) == NULL)
2409 			return got_error_from_errno("gmtime_r");
2410 
2411 		s = asctime_r(&tm, datebuf);
2412 		if (s == NULL)
2413 			return got_error_from_errno("asctime_r");
2414 
2415 		if (asprintf(repo_age, "%s UTC", datebuf) == -1)
2416 			return got_error_from_errno("asprintf");
2417 		break;
2418 	}
2419 	return NULL;
2420 }
2421 
2422 static const struct got_error *
2423 gw_get_repo_age(char **repo_age, struct gw_trans *gw_trans, char *dir,
2424     const char *refname, int ref_tm)
2425 {
2426 	const struct got_error *error = NULL;
2427 	struct got_repository *repo = NULL;
2428 	struct got_commit_object *commit = NULL;
2429 	struct got_reflist_head refs;
2430 	struct got_reflist_entry *re;
2431 	time_t committer_time = 0, cmp_time = 0;
2432 
2433 	*repo_age = NULL;
2434 	SIMPLEQ_INIT(&refs);
2435 
2436 	if (gw_trans->gw_conf->got_show_repo_age == 0)
2437 		return NULL;
2438 
2439 	if (gw_trans->repo)
2440 		repo = gw_trans->repo;
2441 	else {
2442 		error = got_repo_open(&repo, dir, NULL);
2443 		if (error)
2444 			return error;
2445 	}
2446 
2447 	error = got_ref_list(&refs, repo, "refs/heads",
2448 	    got_ref_cmp_by_name, NULL);
2449 	if (error)
2450 		goto done;
2451 
2452 	/*
2453 	 * Find the youngest branch tip in the repository, or the age of
2454 	 * the a specific branch tip if a name was provided by the caller.
2455 	 */
2456 	SIMPLEQ_FOREACH(re, &refs, entry) {
2457 		struct got_object_id *id = NULL;
2458 
2459 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
2460 			continue;
2461 
2462 		error = got_ref_resolve(&id, repo, re->ref);
2463 		if (error)
2464 			goto done;
2465 
2466 		error = got_object_open_as_commit(&commit, repo, id);
2467 		free(id);
2468 		if (error)
2469 			goto done;
2470 
2471 		committer_time =
2472 		    got_object_commit_get_committer_time(commit);
2473 		got_object_commit_close(commit);
2474 		if (cmp_time < committer_time)
2475 			cmp_time = committer_time;
2476 
2477 		if (refname)
2478 			break;
2479 	}
2480 
2481 	if (cmp_time != 0) {
2482 		committer_time = cmp_time;
2483 		error = gw_get_time_str(repo_age, committer_time, ref_tm);
2484 	}
2485 done:
2486 	got_ref_list_free(&refs);
2487 	if (gw_trans->repo == NULL)
2488 		got_repo_close(repo);
2489 	return error;
2490 }
2491 
2492 static const struct got_error *
2493 gw_output_diff(struct gw_trans *gw_trans, struct gw_header *header)
2494 {
2495 	const struct got_error *error;
2496 	FILE *f = NULL;
2497 	struct got_object_id *id1 = NULL, *id2 = NULL;
2498 	char *label1 = NULL, *label2 = NULL, *line = NULL;
2499 	int obj_type;
2500 	size_t linesize = 0;
2501 	ssize_t linelen;
2502 	enum kcgi_err kerr = KCGI_OK;
2503 
2504 	f = got_opentemp();
2505 	if (f == NULL)
2506 		return NULL;
2507 
2508 	if (header->parent_id != NULL &&
2509 	    strncmp(header->parent_id, "/dev/null", 9) != 0) {
2510 		error = got_repo_match_object_id(&id1, &label1,
2511 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2512 		if (error)
2513 			goto done;
2514 	}
2515 
2516 	error = got_repo_match_object_id(&id2, &label2,
2517 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, gw_trans->repo);
2518 	if (error)
2519 		goto done;
2520 
2521 	error = got_object_get_type(&obj_type, gw_trans->repo, id2);
2522 	if (error)
2523 		goto done;
2524 	switch (obj_type) {
2525 	case GOT_OBJ_TYPE_BLOB:
2526 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
2527 		    gw_trans->repo, f);
2528 		break;
2529 	case GOT_OBJ_TYPE_TREE:
2530 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
2531 		    gw_trans->repo, f);
2532 		break;
2533 	case GOT_OBJ_TYPE_COMMIT:
2534 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
2535 		    gw_trans->repo, f);
2536 		break;
2537 	default:
2538 		error = got_error(GOT_ERR_OBJ_TYPE);
2539 	}
2540 	if (error)
2541 		goto done;
2542 
2543 	if (fseek(f, 0, SEEK_SET) == -1) {
2544 		error = got_ferror(f, GOT_ERR_IO);
2545 		goto done;
2546 	}
2547 
2548 	while ((linelen = getline(&line, &linesize, f)) != -1) {
2549 		error = gw_colordiff_line(gw_trans, line);
2550 		if (error)
2551 			goto done;
2552 		/* XXX: KHTML_PRETTY breaks this */
2553 		kerr = khtml_puts(gw_trans->gw_html_req, line);
2554 		if (kerr != KCGI_OK)
2555 			goto done;
2556 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2557 		if (kerr != KCGI_OK)
2558 			goto done;
2559 	}
2560 	if (linelen == -1 && ferror(f))
2561 		error = got_error_from_errno("getline");
2562 done:
2563 	if (f && fclose(f) == -1 && error == NULL)
2564 		error = got_error_from_errno("fclose");
2565 	free(line);
2566 	free(label1);
2567 	free(label2);
2568 	free(id1);
2569 	free(id2);
2570 
2571 	if (error == NULL && kerr != KCGI_OK)
2572 		error = gw_kcgi_error(kerr);
2573 	return error;
2574 }
2575 
2576 static const struct got_error *
2577 gw_get_repo_owner(char **owner, struct gw_trans *gw_trans, char *dir)
2578 {
2579 	const struct got_error *error = NULL;
2580 	struct got_repository *repo;
2581 	const char *gitconfig_owner;
2582 
2583 	*owner = NULL;
2584 
2585 	if (gw_trans->gw_conf->got_show_repo_owner == 0)
2586 		return NULL;
2587 
2588 	error = got_repo_open(&repo, dir, NULL);
2589 	if (error)
2590 		return error;
2591 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
2592 	if (gitconfig_owner) {
2593 		*owner = strdup(gitconfig_owner);
2594 		if (*owner == NULL)
2595 			error = got_error_from_errno("strdup");
2596 	}
2597 	got_repo_close(repo);
2598 	return error;
2599 }
2600 
2601 static const struct got_error *
2602 gw_get_clone_url(char **url, struct gw_trans *gw_trans, char *dir)
2603 {
2604 	const struct got_error *error = NULL;
2605 	FILE *f;
2606 	char *d_file = NULL;
2607 	unsigned int len;
2608 	size_t n;
2609 
2610 	*url = NULL;
2611 
2612 	if (asprintf(&d_file, "%s/cloneurl", dir) == -1)
2613 		return got_error_from_errno("asprintf");
2614 
2615 	f = fopen(d_file, "r");
2616 	if (f == NULL) {
2617 		if (errno != ENOENT && errno != EACCES)
2618 			error = got_error_from_errno2("fopen", d_file);
2619 		goto done;
2620 	}
2621 
2622 	if (fseek(f, 0, SEEK_END) == -1) {
2623 		error = got_ferror(f, GOT_ERR_IO);
2624 		goto done;
2625 	}
2626 	len = ftell(f);
2627 	if (len == -1) {
2628 		error = got_ferror(f, GOT_ERR_IO);
2629 		goto done;
2630 	}
2631 	if (fseek(f, 0, SEEK_SET) == -1) {
2632 		error = got_ferror(f, GOT_ERR_IO);
2633 		goto done;
2634 	}
2635 
2636 	*url = calloc(len + 1, sizeof(**url));
2637 	if (*url == NULL) {
2638 		error = got_error_from_errno("calloc");
2639 		goto done;
2640 	}
2641 
2642 	n = fread(*url, 1, len, f);
2643 	if (n == 0 && ferror(f))
2644 		error = got_ferror(f, GOT_ERR_IO);
2645 done:
2646 	if (f && fclose(f) == -1 && error == NULL)
2647 		error = got_error_from_errno("fclose");
2648 	free(d_file);
2649 	return NULL;
2650 }
2651 
2652 static const struct got_error *
2653 gw_output_repo_tags(struct gw_trans *gw_trans, struct gw_header *header,
2654     int limit, int tag_type)
2655 {
2656 	const struct got_error *error = NULL;
2657 	struct got_reflist_head refs;
2658 	struct got_reflist_entry *re;
2659 	char *age = NULL;
2660 	char *id_str = NULL, *newline, *href_commits = NULL;
2661 	char *tag_commit0 = NULL, *href_tag = NULL, *href_briefs = NULL;
2662 	struct got_tag_object *tag = NULL;
2663 	enum kcgi_err kerr = KCGI_OK;
2664 	int summary_header_displayed = 0;
2665 
2666 	SIMPLEQ_INIT(&refs);
2667 
2668 	error = got_ref_list(&refs, gw_trans->repo, "refs/tags",
2669 	    got_ref_cmp_tags, gw_trans->repo);
2670 	if (error)
2671 		goto done;
2672 
2673 	SIMPLEQ_FOREACH(re, &refs, entry) {
2674 		const char *refname;
2675 		const char *tagger;
2676 		const char *tag_commit;
2677 		time_t tagger_time;
2678 		struct got_object_id *id;
2679 		struct got_commit_object *commit = NULL;
2680 
2681 		refname = got_ref_get_name(re->ref);
2682 		if (strncmp(refname, "refs/tags/", 10) != 0)
2683 			continue;
2684 		refname += 10;
2685 
2686 		error = got_ref_resolve(&id, gw_trans->repo, re->ref);
2687 		if (error)
2688 			goto done;
2689 
2690 		error = got_object_open_as_tag(&tag, gw_trans->repo, id);
2691 		if (error) {
2692 			if (error->code != GOT_ERR_OBJ_TYPE) {
2693 				free(id);
2694 				goto done;
2695 			}
2696 			/* "lightweight" tag */
2697 			error = got_object_open_as_commit(&commit,
2698 			    gw_trans->repo, id);
2699 			if (error) {
2700 				free(id);
2701 				goto done;
2702 			}
2703 			tagger = got_object_commit_get_committer(commit);
2704 			tagger_time =
2705 			    got_object_commit_get_committer_time(commit);
2706 			error = got_object_id_str(&id_str, id);
2707 			free(id);
2708 		} else {
2709 			free(id);
2710 			tagger = got_object_tag_get_tagger(tag);
2711 			tagger_time = got_object_tag_get_tagger_time(tag);
2712 			error = got_object_id_str(&id_str,
2713 			    got_object_tag_get_object_id(tag));
2714 		}
2715 		if (error)
2716 			goto done;
2717 
2718 		if (tag_type == TAGFULL && strncmp(id_str, header->commit_id,
2719 		    strlen(id_str)) != 0)
2720 			continue;
2721 
2722 		if (commit) {
2723 			error = got_object_commit_get_logmsg(&tag_commit0,
2724 			    commit);
2725 			if (error)
2726 				goto done;
2727 			got_object_commit_close(commit);
2728 		} else {
2729 			tag_commit0 = strdup(got_object_tag_get_message(tag));
2730 			if (tag_commit0 == NULL) {
2731 				error = got_error_from_errno("strdup");
2732 				goto done;
2733 			}
2734 		}
2735 
2736 		tag_commit = tag_commit0;
2737 		while (*tag_commit == '\n')
2738 			tag_commit++;
2739 
2740 		switch (tag_type) {
2741 		case TAGBRIEF:
2742 			newline = strchr(tag_commit, '\n');
2743 			if (newline)
2744 				*newline = '\0';
2745 
2746 			if (summary_header_displayed == 0) {
2747 				kerr = khtml_attr(gw_trans->gw_html_req,
2748 				    KELEM_DIV, KATTR_ID,
2749 				    "summary_tags_title_wrapper", KATTR__MAX);
2750 				if (kerr != KCGI_OK)
2751 					goto done;
2752 				kerr = khtml_attr(gw_trans->gw_html_req,
2753 				    KELEM_DIV, KATTR_ID,
2754 				    "summary_tags_title", KATTR__MAX);
2755 				if (kerr != KCGI_OK)
2756 					goto done;
2757 				kerr = khtml_puts(gw_trans->gw_html_req,
2758 				    "Tags");
2759 				if (kerr != KCGI_OK)
2760 					goto done;
2761 				kerr = khtml_closeelem(gw_trans->gw_html_req,
2762 				    2);
2763 				if (kerr != KCGI_OK)
2764 					goto done;
2765 				kerr = khtml_attr(gw_trans->gw_html_req,
2766 				    KELEM_DIV, KATTR_ID,
2767 				    "summary_tags_content", KATTR__MAX);
2768 				if (kerr != KCGI_OK)
2769 					goto done;
2770 				summary_header_displayed = 1;
2771 			}
2772 
2773 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2774 			    KATTR_ID, "tags_wrapper", KATTR__MAX);
2775 			if (kerr != KCGI_OK)
2776 				goto done;
2777 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2778 			    KATTR_ID, "tags_age", KATTR__MAX);
2779 			if (kerr != KCGI_OK)
2780 				goto done;
2781 			error = gw_get_time_str(&age, tagger_time, TM_DIFF);
2782 			if (error)
2783 				goto done;
2784 			kerr = khtml_puts(gw_trans->gw_html_req,
2785 			    age ? age : "");
2786 			if (kerr != KCGI_OK)
2787 				goto done;
2788 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2789 			if (kerr != KCGI_OK)
2790 				goto done;
2791 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2792 			    KATTR_ID, "tags", KATTR__MAX);
2793 			if (kerr != KCGI_OK)
2794 				goto done;
2795 			kerr = khtml_puts(gw_trans->gw_html_req, refname);
2796 			if (kerr != KCGI_OK)
2797 				goto done;
2798 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2799 			if (kerr != KCGI_OK)
2800 				goto done;
2801 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2802 			    KATTR_ID, "tags_name", KATTR__MAX);
2803 			if (kerr != KCGI_OK)
2804 				goto done;
2805 			if (asprintf(&href_tag, "?path=%s&action=tag&commit=%s",
2806 			    gw_trans->repo_name, id_str) == -1) {
2807 				error = got_error_from_errno("asprintf");
2808 				goto done;
2809 			}
2810 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2811 			    KATTR_HREF, href_tag, KATTR__MAX);
2812 			if (kerr != KCGI_OK)
2813 				goto done;
2814 			kerr = khtml_puts(gw_trans->gw_html_req, tag_commit);
2815 			if (kerr != KCGI_OK)
2816 				goto done;
2817 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2818 			if (kerr != KCGI_OK)
2819 				goto done;
2820 
2821 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2822 			    KATTR_ID, "navs_wrapper", KATTR__MAX);
2823 			if (kerr != KCGI_OK)
2824 				goto done;
2825 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2826 			    KATTR_ID, "navs", KATTR__MAX);
2827 			if (kerr != KCGI_OK)
2828 				goto done;
2829 
2830 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2831 			    KATTR_HREF, href_tag, KATTR__MAX);
2832 			if (kerr != KCGI_OK)
2833 				goto done;
2834 			kerr = khtml_puts(gw_trans->gw_html_req, "tag");
2835 			if (kerr != KCGI_OK)
2836 				goto done;
2837 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2838 			if (kerr != KCGI_OK)
2839 				goto done;
2840 
2841 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
2842 			if (kerr != KCGI_OK)
2843 				goto done;
2844 			if (asprintf(&href_briefs,
2845 			    "?path=%s&action=briefs&commit=%s",
2846 			    gw_trans->repo_name, id_str) == -1) {
2847 				error = got_error_from_errno("asprintf");
2848 				goto done;
2849 			}
2850 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2851 			    KATTR_HREF, href_briefs, KATTR__MAX);
2852 			if (kerr != KCGI_OK)
2853 				goto done;
2854 			kerr = khtml_puts(gw_trans->gw_html_req,
2855 			    "commit briefs");
2856 			if (kerr != KCGI_OK)
2857 				goto done;
2858 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2859 			if (kerr != KCGI_OK)
2860 				goto done;
2861 
2862 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
2863 			if (kerr != KCGI_OK)
2864 				goto done;
2865 
2866 			if (asprintf(&href_commits,
2867 			    "?path=%s&action=commits&commit=%s",
2868 			    gw_trans->repo_name, id_str) == -1) {
2869 				error = got_error_from_errno("asprintf");
2870 				goto done;
2871 			}
2872 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
2873 			    KATTR_HREF, href_commits, KATTR__MAX);
2874 			if (kerr != KCGI_OK)
2875 				goto done;
2876 			kerr = khtml_puts(gw_trans->gw_html_req,
2877 			    "commits");
2878 			if (kerr != KCGI_OK)
2879 				goto done;
2880 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
2881 			if (kerr != KCGI_OK)
2882 				goto done;
2883 
2884 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2885 			    KATTR_ID, "dotted_line", KATTR__MAX);
2886 			if (kerr != KCGI_OK)
2887 				goto done;
2888 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
2889 			if (kerr != KCGI_OK)
2890 				goto done;
2891 			break;
2892 		case TAGFULL:
2893 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2894 			    KATTR_ID, "tag_info_date_title", KATTR__MAX);
2895 			if (kerr != KCGI_OK)
2896 				goto done;
2897 			kerr = khtml_puts(gw_trans->gw_html_req, "Tag Date:");
2898 			if (kerr != KCGI_OK)
2899 				goto done;
2900 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2901 			if (kerr != KCGI_OK)
2902 				goto done;
2903 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2904 			    KATTR_ID, "tag_info_date", KATTR__MAX);
2905 			if (kerr != KCGI_OK)
2906 				goto done;
2907 			error = gw_get_time_str(&age, tagger_time, TM_LONG);
2908 			if (error)
2909 				goto done;
2910 			kerr = khtml_puts(gw_trans->gw_html_req,
2911 			    age ? age : "");
2912 			if (kerr != KCGI_OK)
2913 				goto done;
2914 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2915 			if (kerr != KCGI_OK)
2916 				goto done;
2917 
2918 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2919 			    KATTR_ID, "tag_info_tagger_title", KATTR__MAX);
2920 			if (kerr != KCGI_OK)
2921 				goto done;
2922 			kerr = khtml_puts(gw_trans->gw_html_req, "Tagger:");
2923 			if (kerr != KCGI_OK)
2924 				goto done;
2925 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2926 			if (kerr != KCGI_OK)
2927 				goto done;
2928 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2929 			    KATTR_ID, "tag_info_date", KATTR__MAX);
2930 			if (kerr != KCGI_OK)
2931 				goto done;
2932 			kerr = khtml_puts(gw_trans->gw_html_req, tagger);
2933 			if (kerr != KCGI_OK)
2934 				goto done;
2935 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2936 			if (kerr != KCGI_OK)
2937 				goto done;
2938 
2939 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
2940 			    KATTR_ID, "tag_info", KATTR__MAX);
2941 			if (kerr != KCGI_OK)
2942 				goto done;
2943 			kerr = khttp_puts(gw_trans->gw_req, tag_commit);
2944 			if (kerr != KCGI_OK)
2945 				goto done;
2946 			break;
2947 		default:
2948 			break;
2949 		}
2950 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
2951 		if (kerr != KCGI_OK)
2952 			goto done;
2953 
2954 		if (limit && --limit == 0)
2955 			break;
2956 
2957 		if (tag)
2958 			got_object_tag_close(tag);
2959 		tag = NULL;
2960 		free(id_str);
2961 		id_str = NULL;
2962 		free(age);
2963 		age = NULL;
2964 		free(tag_commit0);
2965 		tag_commit0 = NULL;
2966 		free(href_tag);
2967 		href_tag = NULL;
2968 		free(href_briefs);
2969 		href_briefs = NULL;
2970 		free(href_commits);
2971 		href_commits = NULL;
2972 	}
2973 done:
2974 	if (tag)
2975 		got_object_tag_close(tag);
2976 	free(id_str);
2977 	free(age);
2978 	free(tag_commit0);
2979 	free(href_tag);
2980 	free(href_briefs);
2981 	free(href_commits);
2982 	got_ref_list_free(&refs);
2983 	if (error == NULL && kerr != KCGI_OK)
2984 		error = gw_kcgi_error(kerr);
2985 	return error;
2986 }
2987 
2988 static void
2989 gw_free_header(struct gw_header *header)
2990 {
2991 	free(header->path);
2992 	free(header->author);
2993 	free(header->committer);
2994 	free(header->refs_str);
2995 	free(header->commit_id);
2996 	free(header->parent_id);
2997 	free(header->tree_id);
2998 	free(header->commit_msg);
2999 }
3000 
3001 static struct gw_header *
3002 gw_init_header()
3003 {
3004 	struct gw_header *header;
3005 
3006 	header = malloc(sizeof(*header));
3007 	if (header == NULL)
3008 		return NULL;
3009 
3010 	header->path = NULL;
3011 	SIMPLEQ_INIT(&header->refs);
3012 
3013 	header->refs_str = NULL;
3014 	header->commit_id = NULL;
3015 	header->committer = NULL;
3016 	header->author = NULL;
3017 	header->parent_id = NULL;
3018 	header->tree_id = NULL;
3019 	header->commit_msg = NULL;
3020 
3021 	return header;
3022 }
3023 
3024 static const struct got_error *
3025 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
3026     int limit, struct got_object_id *id)
3027 {
3028 	const struct got_error *error = NULL;
3029 	struct got_commit_graph *graph = NULL;
3030 	struct got_commit_object *commit = NULL;
3031 
3032 	error = got_commit_graph_open(&graph, header->path, 0);
3033 	if (error)
3034 		return error;
3035 
3036 	error = got_commit_graph_iter_start(graph, id, gw_trans->repo, NULL,
3037 	    NULL);
3038 	if (error)
3039 		goto done;
3040 
3041 	for (;;) {
3042 		error = got_commit_graph_iter_next(&id, graph, gw_trans->repo,
3043 		    NULL, NULL);
3044 		if (error) {
3045 			if (error->code == GOT_ERR_ITER_COMPLETED)
3046 				error = NULL;
3047 			goto done;
3048 		}
3049 		if (id == NULL)
3050 			goto done;
3051 
3052 		error = got_object_open_as_commit(&commit, gw_trans->repo, id);
3053 			if (error)
3054 				goto done;
3055 		if (limit == 1) {
3056 			error = gw_get_commit(gw_trans, header, commit, id);
3057 			if (error)
3058 				goto done;
3059 		} else {
3060 			struct gw_header *n_header = NULL;
3061 			if ((n_header = gw_init_header()) == NULL) {
3062 				error = got_error_from_errno("malloc");
3063 				goto done;
3064 			}
3065 			error = got_ref_list(&n_header->refs, gw_trans->repo,
3066 			    NULL, got_ref_cmp_by_name, NULL);
3067 			if (error)
3068 				goto done;
3069 
3070 			error = gw_get_commit(gw_trans, n_header, commit, id);
3071 			if (error)
3072 				goto done;
3073 			got_ref_list_free(&n_header->refs);
3074 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
3075 			    entry);
3076 		}
3077 		if (error || (limit && --limit == 0))
3078 			break;
3079 	}
3080 done:
3081 	if (commit != NULL)
3082 		got_object_commit_close(commit);
3083 	if (graph)
3084 		got_commit_graph_close(graph);
3085 	return error;
3086 }
3087 
3088 static const struct got_error *
3089 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header,
3090     struct got_commit_object *commit, struct got_object_id *id)
3091 {
3092 	const struct got_error *error = NULL;
3093 	struct got_reflist_entry *re;
3094 	struct got_object_id *id2 = NULL;
3095 	struct got_object_qid *parent_id;
3096 	char *commit_msg = NULL, *commit_msg0;
3097 
3098 	/*print commit*/
3099 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
3100 		char *s;
3101 		const char *name;
3102 		struct got_tag_object *tag = NULL;
3103 		int cmp;
3104 
3105 		if (got_ref_is_symbolic(re->ref))
3106 			continue;
3107 
3108 		name = got_ref_get_name(re->ref);
3109 		if (strncmp(name, "refs/", 5) == 0)
3110 			name += 5;
3111 		if (strncmp(name, "got/", 4) == 0)
3112 			continue;
3113 		if (strncmp(name, "heads/", 6) == 0)
3114 			name += 6;
3115 		if (strncmp(name, "remotes/", 8) == 0)
3116 			name += 8;
3117 		if (strncmp(name, "tags/", 5) == 0) {
3118 			error = got_object_open_as_tag(&tag, gw_trans->repo,
3119 			    re->id);
3120 			if (error) {
3121 				if (error->code != GOT_ERR_OBJ_TYPE)
3122 					continue;
3123 				/*
3124 				 * Ref points at something other
3125 				 * than a tag.
3126 				 */
3127 				error = NULL;
3128 				tag = NULL;
3129 			}
3130 		}
3131 		cmp = got_object_id_cmp(tag ?
3132 		    got_object_tag_get_object_id(tag) : re->id, id);
3133 		if (tag)
3134 			got_object_tag_close(tag);
3135 		if (cmp != 0)
3136 			continue;
3137 		s = header->refs_str;
3138 		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
3139 		    s ? ", " : "", name) == -1) {
3140 			error = got_error_from_errno("asprintf");
3141 			free(s);
3142 			header->refs_str = NULL;
3143 			return error;
3144 		}
3145 		free(s);
3146 	}
3147 
3148 	error = got_object_id_str(&header->commit_id, id);
3149 	if (error)
3150 		return error;
3151 
3152 	error = got_object_id_str(&header->tree_id,
3153 	    got_object_commit_get_tree_id(commit));
3154 	if (error)
3155 		return error;
3156 
3157 	if (gw_trans->action == GW_DIFF) {
3158 		parent_id = SIMPLEQ_FIRST(
3159 		    got_object_commit_get_parent_ids(commit));
3160 		if (parent_id != NULL) {
3161 			id2 = got_object_id_dup(parent_id->id);
3162 			free (parent_id);
3163 			error = got_object_id_str(&header->parent_id, id2);
3164 			if (error)
3165 				return error;
3166 			free(id2);
3167 		} else {
3168 			header->parent_id = strdup("/dev/null");
3169 			if (header->parent_id == NULL) {
3170 				error = got_error_from_errno("strdup");
3171 				return error;
3172 			}
3173 		}
3174 	}
3175 
3176 	header->committer_time =
3177 	    got_object_commit_get_committer_time(commit);
3178 
3179 	header->author =
3180 	    strdup(got_object_commit_get_author(commit));
3181 	if (header->author == NULL) {
3182 		error = got_error_from_errno("strdup");
3183 		return error;
3184 	}
3185 	header->committer =
3186 	    strdup(got_object_commit_get_committer(commit));
3187 	if (header->committer == NULL) {
3188 		error = got_error_from_errno("strdup");
3189 		return error;
3190 	}
3191 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
3192 	if (error)
3193 		return error;
3194 
3195 	commit_msg = commit_msg0;
3196 	while (*commit_msg == '\n')
3197 		commit_msg++;
3198 
3199 	header->commit_msg = strdup(commit_msg);
3200 	if (header->commit_msg == NULL)
3201 		error = got_error_from_errno("strdup");
3202 	free(commit_msg0);
3203 	return error;
3204 }
3205 
3206 static const struct got_error *
3207 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
3208 {
3209 	const struct got_error *error = NULL;
3210 	char *in_repo_path = NULL;
3211 	struct got_object_id *id = NULL;
3212 
3213 	error = got_repo_open(&gw_trans->repo, gw_trans->repo_path, NULL);
3214 	if (error)
3215 		return error;
3216 
3217 	if (gw_trans->commit_id == NULL) {
3218 		struct got_reference *head_ref;
3219 		error = got_ref_open(&head_ref, gw_trans->repo,
3220 		    gw_trans->headref, 0);
3221 		if (error)
3222 			return error;
3223 
3224 		error = got_ref_resolve(&id, gw_trans->repo, head_ref);
3225 		got_ref_close(head_ref);
3226 		if (error)
3227 			return error;
3228 	} else {
3229 		struct got_reference *ref;
3230 		error = got_ref_open(&ref, gw_trans->repo,
3231 		    gw_trans->commit_id, 0);
3232 		if (error == NULL) {
3233 			int obj_type;
3234 			error = got_ref_resolve(&id, gw_trans->repo, ref);
3235 			got_ref_close(ref);
3236 			if (error)
3237 				return error;
3238 			error = got_object_get_type(&obj_type, gw_trans->repo,
3239 			    id);
3240 			if (error)
3241 				goto done;
3242 			if (obj_type == GOT_OBJ_TYPE_TAG) {
3243 				struct got_tag_object *tag;
3244 				error = got_object_open_as_tag(&tag,
3245 				    gw_trans->repo, id);
3246 				if (error)
3247 					goto done;
3248 				if (got_object_tag_get_object_type(tag) !=
3249 				    GOT_OBJ_TYPE_COMMIT) {
3250 					got_object_tag_close(tag);
3251 					error = got_error(GOT_ERR_OBJ_TYPE);
3252 					goto done;
3253 				}
3254 				free(id);
3255 				id = got_object_id_dup(
3256 				    got_object_tag_get_object_id(tag));
3257 				if (id == NULL)
3258 					error = got_error_from_errno(
3259 					    "got_object_id_dup");
3260 				got_object_tag_close(tag);
3261 				if (error)
3262 					goto done;
3263 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
3264 				error = got_error(GOT_ERR_OBJ_TYPE);
3265 				goto done;
3266 			}
3267 		}
3268 		error = got_repo_match_object_id_prefix(&id,
3269 			    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT,
3270 			    gw_trans->repo);
3271 		if (error)
3272 			goto done;
3273 	}
3274 
3275 	error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3276 	    gw_trans->repo_path, 1);
3277 	if (error)
3278 		goto done;
3279 
3280 	if (in_repo_path) {
3281 		header->path = strdup(in_repo_path);
3282 		if (header->path == NULL) {
3283 			error = got_error_from_errno("strdup");
3284 			goto done;
3285 		}
3286 	}
3287 
3288 	error = got_ref_list(&header->refs, gw_trans->repo, NULL,
3289 	    got_ref_cmp_by_name, NULL);
3290 	if (error)
3291 		goto done;
3292 
3293 	error = gw_get_commits(gw_trans, header, limit, id);
3294 done:
3295 	got_ref_list_free(&header->refs);
3296 	free(id);
3297 	free(in_repo_path);
3298 	return error;
3299 }
3300 
3301 struct blame_line {
3302 	int annotated;
3303 	char *id_str;
3304 	char *committer;
3305 	char datebuf[11]; /* YYYY-MM-DD + NUL */
3306 };
3307 
3308 struct gw_blame_cb_args {
3309 	struct blame_line *lines;
3310 	int nlines;
3311 	int nlines_prec;
3312 	int lineno_cur;
3313 	off_t *line_offsets;
3314 	FILE *f;
3315 	struct got_repository *repo;
3316 	struct gw_trans *gw_trans;
3317 };
3318 
3319 static const struct got_error *
3320 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
3321 {
3322 	const struct got_error *err = NULL;
3323 	struct gw_blame_cb_args *a = arg;
3324 	struct blame_line *bline;
3325 	char *line = NULL;
3326 	size_t linesize = 0;
3327 	struct got_commit_object *commit = NULL;
3328 	off_t offset;
3329 	struct tm tm;
3330 	time_t committer_time;
3331 	enum kcgi_err kerr = KCGI_OK;
3332 
3333 	if (nlines != a->nlines ||
3334 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
3335 		return got_error(GOT_ERR_RANGE);
3336 
3337 	if (lineno == -1)
3338 		return NULL; /* no change in this commit */
3339 
3340 	/* Annotate this line. */
3341 	bline = &a->lines[lineno - 1];
3342 	if (bline->annotated)
3343 		return NULL;
3344 	err = got_object_id_str(&bline->id_str, id);
3345 	if (err)
3346 		return err;
3347 
3348 	err = got_object_open_as_commit(&commit, a->repo, id);
3349 	if (err)
3350 		goto done;
3351 
3352 	bline->committer = strdup(got_object_commit_get_committer(commit));
3353 	if (bline->committer == NULL) {
3354 		err = got_error_from_errno("strdup");
3355 		goto done;
3356 	}
3357 
3358 	committer_time = got_object_commit_get_committer_time(commit);
3359 	if (localtime_r(&committer_time, &tm) == NULL)
3360 		return got_error_from_errno("localtime_r");
3361 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
3362 	    &tm) >= sizeof(bline->datebuf)) {
3363 		err = got_error(GOT_ERR_NO_SPACE);
3364 		goto done;
3365 	}
3366 	bline->annotated = 1;
3367 
3368 	/* Print lines annotated so far. */
3369 	bline = &a->lines[a->lineno_cur - 1];
3370 	if (!bline->annotated)
3371 		goto done;
3372 
3373 	offset = a->line_offsets[a->lineno_cur - 1];
3374 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
3375 		err = got_error_from_errno("fseeko");
3376 		goto done;
3377 	}
3378 
3379 	while (bline->annotated) {
3380 		char *smallerthan, *at, *nl, *committer;
3381 		char *lineno = NULL, *href_diff = NULL, *href_link = NULL;
3382 		size_t len;
3383 
3384 		if (getline(&line, &linesize, a->f) == -1) {
3385 			if (ferror(a->f))
3386 				err = got_error_from_errno("getline");
3387 			break;
3388 		}
3389 
3390 		committer = bline->committer;
3391 		smallerthan = strchr(committer, '<');
3392 		if (smallerthan && smallerthan[1] != '\0')
3393 			committer = smallerthan + 1;
3394 		at = strchr(committer, '@');
3395 		if (at)
3396 			*at = '\0';
3397 		len = strlen(committer);
3398 		if (len >= 9)
3399 			committer[8] = '\0';
3400 
3401 		nl = strchr(line, '\n');
3402 		if (nl)
3403 			*nl = '\0';
3404 
3405 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3406 		    "blame_wrapper", KATTR__MAX);
3407 		if (kerr != KCGI_OK)
3408 			goto err;
3409 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3410 		    "blame_number", KATTR__MAX);
3411 		if (kerr != KCGI_OK)
3412 			goto err;
3413 		if (asprintf(&lineno, "%.*d", a->nlines_prec,
3414 		    a->lineno_cur) == -1)
3415 			goto err;
3416 		kerr = khtml_puts(a->gw_trans->gw_html_req, lineno);
3417 		if (kerr != KCGI_OK)
3418 			goto err;
3419 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3420 		if (kerr != KCGI_OK)
3421 			goto err;
3422 
3423 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3424 		    "blame_hash", KATTR__MAX);
3425 		if (kerr != KCGI_OK)
3426 			goto err;
3427 
3428 		if (asprintf(&href_diff,
3429 		    "?path=%s&action=diff&commit=%s&file=%s&folder=%s",
3430 		    a->gw_trans->repo_name, bline->id_str,
3431 		    a->gw_trans->repo_file, a->gw_trans->repo_folder ?
3432 		    a->gw_trans->repo_folder : "") == -1) {
3433 			err = got_error_from_errno("asprintf");
3434 			goto err;
3435 		}
3436 		if (asprintf(&href_link, "%.8s", bline->id_str) == -1) {
3437 			err = got_error_from_errno("asprintf");
3438 			goto err;
3439 		}
3440 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_A,
3441 		    KATTR_HREF, href_diff, KATTR__MAX);
3442 		if (kerr != KCGI_OK)
3443 			goto done;
3444 		kerr = khtml_puts(a->gw_trans->gw_html_req, href_link);
3445 		if (kerr != KCGI_OK)
3446 			goto err;
3447 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 2);
3448 		if (kerr != KCGI_OK)
3449 			goto err;
3450 
3451 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3452 		    "blame_date", KATTR__MAX);
3453 		if (kerr != KCGI_OK)
3454 			goto err;
3455 		kerr = khtml_puts(a->gw_trans->gw_html_req, bline->datebuf);
3456 		if (kerr != KCGI_OK)
3457 			goto err;
3458 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3459 		if (kerr != KCGI_OK)
3460 			goto err;
3461 
3462 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3463 		    "blame_author", KATTR__MAX);
3464 		if (kerr != KCGI_OK)
3465 			goto err;
3466 		kerr = khtml_puts(a->gw_trans->gw_html_req, committer);
3467 		if (kerr != KCGI_OK)
3468 			goto err;
3469 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3470 		if (kerr != KCGI_OK)
3471 			goto err;
3472 
3473 		kerr = khtml_attr(a->gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
3474 		    "blame_code", KATTR__MAX);
3475 		if (kerr != KCGI_OK)
3476 			goto err;
3477 		kerr = khtml_puts(a->gw_trans->gw_html_req, line);
3478 		if (kerr != KCGI_OK)
3479 			goto err;
3480 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3481 		if (kerr != KCGI_OK)
3482 			goto err;
3483 
3484 		kerr = khtml_closeelem(a->gw_trans->gw_html_req, 1);
3485 		if (kerr != KCGI_OK)
3486 			goto err;
3487 
3488 		a->lineno_cur++;
3489 		bline = &a->lines[a->lineno_cur - 1];
3490 err:
3491 		free(lineno);
3492 		free(href_diff);
3493 		free(href_link);
3494 	}
3495 done:
3496 	if (commit)
3497 		got_object_commit_close(commit);
3498 	free(line);
3499 	if (err == NULL && kerr != KCGI_OK)
3500 		err = gw_kcgi_error(kerr);
3501 	return err;
3502 }
3503 
3504 static const struct got_error *
3505 gw_output_file_blame(struct gw_trans *gw_trans)
3506 {
3507 	const struct got_error *error = NULL;
3508 	struct got_object_id *obj_id = NULL;
3509 	struct got_object_id *commit_id = NULL;
3510 	struct got_blob_object *blob = NULL;
3511 	char *path = NULL, *in_repo_path = NULL;
3512 	struct gw_blame_cb_args bca;
3513 	int i, obj_type;
3514 	size_t filesize;
3515 
3516 	if (asprintf(&path, "%s%s%s",
3517 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3518 	    gw_trans->repo_folder ? "/" : "",
3519 	    gw_trans->repo_file) == -1) {
3520 		error = got_error_from_errno("asprintf");
3521 		goto done;
3522 	}
3523 
3524 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3525 	if (error)
3526 		goto done;
3527 
3528 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3529 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3530 	if (error)
3531 		goto done;
3532 
3533 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3534 	    in_repo_path);
3535 	if (error)
3536 		goto done;
3537 
3538 	if (obj_id == NULL) {
3539 		error = got_error(GOT_ERR_NO_OBJ);
3540 		goto done;
3541 	}
3542 
3543 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3544 	if (error)
3545 		goto done;
3546 
3547 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3548 		error = got_error(GOT_ERR_OBJ_TYPE);
3549 		goto done;
3550 	}
3551 
3552 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3553 	if (error)
3554 		goto done;
3555 
3556 	bca.f = got_opentemp();
3557 	if (bca.f == NULL) {
3558 		error = got_error_from_errno("got_opentemp");
3559 		goto done;
3560 	}
3561 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
3562 	    &bca.line_offsets, bca.f, blob);
3563 	if (error || bca.nlines == 0)
3564 		goto done;
3565 
3566 	/* Don't include \n at EOF in the blame line count. */
3567 	if (bca.line_offsets[bca.nlines - 1] == filesize)
3568 		bca.nlines--;
3569 
3570 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
3571 	if (bca.lines == NULL) {
3572 		error = got_error_from_errno("calloc");
3573 		goto done;
3574 	}
3575 	bca.lineno_cur = 1;
3576 	bca.nlines_prec = 0;
3577 	i = bca.nlines;
3578 	while (i > 0) {
3579 		i /= 10;
3580 		bca.nlines_prec++;
3581 	}
3582 	bca.repo = gw_trans->repo;
3583 	bca.gw_trans = gw_trans;
3584 
3585 	error = got_blame(in_repo_path, commit_id, gw_trans->repo, gw_blame_cb,
3586 	    &bca, NULL, NULL);
3587 done:
3588 	free(in_repo_path);
3589 	free(commit_id);
3590 	free(obj_id);
3591 	free(path);
3592 
3593 	if (blob) {
3594 		free(bca.line_offsets);
3595 		for (i = 0; i < bca.nlines; i++) {
3596 			struct blame_line *bline = &bca.lines[i];
3597 			free(bline->id_str);
3598 			free(bline->committer);
3599 		}
3600 		free(bca.lines);
3601 		if (bca.f && fclose(bca.f) == EOF && error == NULL)
3602 			error = got_error_from_errno("fclose");
3603 	}
3604 	if (blob)
3605 		got_object_blob_close(blob);
3606 	return error;
3607 }
3608 
3609 static const struct got_error *
3610 gw_output_blob_buf(struct gw_trans *gw_trans)
3611 {
3612 	const struct got_error *error = NULL;
3613 	struct got_object_id *obj_id = NULL;
3614 	struct got_object_id *commit_id = NULL;
3615 	struct got_blob_object *blob = NULL;
3616 	char *path = NULL, *in_repo_path = NULL;
3617 	int obj_type, set_mime = 0;
3618 	size_t len, hdrlen;
3619 	const uint8_t *buf;
3620 	enum kcgi_err kerr = KCGI_OK;
3621 
3622 	if (asprintf(&path, "%s%s%s",
3623 	    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3624 	    gw_trans->repo_folder ? "/" : "",
3625 	    gw_trans->repo_file) == -1) {
3626 		error = got_error_from_errno("asprintf");
3627 		goto done;
3628 	}
3629 
3630 	error = got_repo_map_path(&in_repo_path, gw_trans->repo, path, 1);
3631 	if (error)
3632 		goto done;
3633 
3634 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit_id,
3635 	    GOT_OBJ_TYPE_COMMIT, 1, gw_trans->repo);
3636 	if (error)
3637 		goto done;
3638 
3639 	error = got_object_id_by_path(&obj_id, gw_trans->repo, commit_id,
3640 	    in_repo_path);
3641 	if (error)
3642 		goto done;
3643 
3644 	if (obj_id == NULL) {
3645 		error = got_error(GOT_ERR_NO_OBJ);
3646 		goto done;
3647 	}
3648 
3649 	error = got_object_get_type(&obj_type, gw_trans->repo, obj_id);
3650 	if (error)
3651 		goto done;
3652 
3653 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
3654 		error = got_error(GOT_ERR_OBJ_TYPE);
3655 		goto done;
3656 	}
3657 
3658 	error = got_object_open_as_blob(&blob, gw_trans->repo, obj_id, 8192);
3659 	if (error)
3660 		goto done;
3661 
3662 	hdrlen = got_object_blob_get_hdrlen(blob);
3663 	do {
3664 		error = got_object_blob_read_block(&len, blob);
3665 		if (error)
3666 			goto done;
3667 		buf = got_object_blob_get_read_buf(blob);
3668 
3669 		/*
3670 		 * Skip blob object header first time around,
3671 		 * which also contains a zero byte.
3672 		 */
3673 		buf += hdrlen;
3674 		if (set_mime == 0) {
3675 			if (isbinary(buf, len - hdrlen))
3676 				gw_trans->mime = KMIME_APP_OCTET_STREAM;
3677 			else
3678 				gw_trans->mime = KMIME_TEXT_PLAIN;
3679 			set_mime = 1;
3680 			error = gw_display_index(gw_trans);
3681 			if (error)
3682 				goto done;
3683 		}
3684 		kerr = khttp_write(gw_trans->gw_req, buf, len - hdrlen);
3685 		hdrlen = 0;
3686 	} while (len != 0);
3687 done:
3688 	free(in_repo_path);
3689 	free(commit_id);
3690 	free(obj_id);
3691 	free(path);
3692 	if (blob)
3693 		got_object_blob_close(blob);
3694 	if (error == NULL && kerr != KCGI_OK)
3695 		error = gw_kcgi_error(kerr);
3696 	return error;
3697 }
3698 
3699 static const struct got_error *
3700 gw_output_repo_tree(struct gw_trans *gw_trans)
3701 {
3702 	const struct got_error *error = NULL;
3703 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
3704 	struct got_tree_object *tree = NULL;
3705 	char *path = NULL, *in_repo_path = NULL;
3706 	char *id_str = NULL;
3707 	char *build_folder = NULL;
3708 	char *href_blob = NULL, *href_blame = NULL;
3709 	const char *class = NULL;
3710 	int nentries, i, class_flip = 0;
3711 	enum kcgi_err kerr = KCGI_OK;
3712 
3713 	if (gw_trans->repo_folder != NULL) {
3714 		path = strdup(gw_trans->repo_folder);
3715 		if (path == NULL) {
3716 			error = got_error_from_errno("strdup");
3717 			goto done;
3718 		}
3719 	} else {
3720 		error = got_repo_map_path(&in_repo_path, gw_trans->repo,
3721 		    gw_trans->repo_path, 1);
3722 		if (error)
3723 			goto done;
3724 		free(path);
3725 		path = in_repo_path;
3726 	}
3727 
3728 	if (gw_trans->commit_id == NULL) {
3729 		struct got_reference *head_ref;
3730 		error = got_ref_open(&head_ref, gw_trans->repo,
3731 		    gw_trans->headref, 0);
3732 		if (error)
3733 			goto done;
3734 		error = got_ref_resolve(&commit_id, gw_trans->repo, head_ref);
3735 		if (error)
3736 			goto done;
3737 		got_ref_close(head_ref);
3738 		/*
3739 		 * gw_trans->commit_id was not parsed from the querystring
3740 		 * we hit this code path from gw_index, where we don't know the
3741 		 * commit values for the tree link yet, so set
3742 		 * gw_trans->commit_id here to continue further into the tree
3743 		 */
3744 		error = got_object_id_str(&gw_trans->commit_id, commit_id);
3745 		if (error)
3746 			goto done;
3747 
3748 	} else {
3749 		error = got_repo_match_object_id(&commit_id, NULL,
3750 		    gw_trans->commit_id, GOT_OBJ_TYPE_COMMIT, 1,
3751 		    gw_trans->repo);
3752 		if (error)
3753 			goto done;
3754 	}
3755 
3756 	error = got_object_id_by_path(&tree_id, gw_trans->repo, commit_id,
3757 	    path);
3758 	if (error)
3759 		goto done;
3760 
3761 	error = got_object_open_as_tree(&tree, gw_trans->repo, tree_id);
3762 	if (error)
3763 		goto done;
3764 
3765 	nentries = got_object_tree_get_nentries(tree);
3766 	for (i = 0; i < nentries; i++) {
3767 		struct got_tree_entry *te;
3768 		const char *modestr = "";
3769 		mode_t mode;
3770 
3771 		te = got_object_tree_get_entry(tree, i);
3772 
3773 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
3774 		if (error)
3775 			goto done;
3776 
3777 		mode = got_tree_entry_get_mode(te);
3778 		if (got_object_tree_entry_is_submodule(te))
3779 			modestr = "$";
3780 		else if (S_ISLNK(mode))
3781 			modestr = "@";
3782 		else if (S_ISDIR(mode))
3783 			modestr = "/";
3784 		else if (mode & S_IXUSR)
3785 			modestr = "*";
3786 
3787 		if (class_flip == 0) {
3788 			class = "back_lightgray";
3789 			class_flip = 1;
3790 		} else {
3791 			class = "back_white";
3792 			class_flip = 0;
3793 		}
3794 
3795 		if (S_ISDIR(mode)) {
3796 			if (asprintf(&build_folder, "%s/%s",
3797 			    gw_trans->repo_folder ? gw_trans->repo_folder : "",
3798 			    got_tree_entry_get_name(te)) == -1) {
3799 				error = got_error_from_errno("asprintf");
3800 				goto done;
3801 			}
3802 			if (asprintf(&href_blob,
3803 			    "?path=%s&action=%s&commit=%s&folder=%s",
3804 			    gw_trans->repo_name, gw_get_action_name(gw_trans),
3805 			    gw_trans->commit_id, build_folder) == -1) {
3806 				error = got_error_from_errno("asprintf");
3807 				goto done;
3808 			}
3809 
3810 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3811 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
3812 			if (kerr != KCGI_OK)
3813 				goto done;
3814 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3815 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
3816 			    KATTR__MAX);
3817 			if (kerr != KCGI_OK)
3818 				goto done;
3819 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3820 			    KATTR_HREF, href_blob, KATTR_CLASS,
3821 			    "diff_directory", KATTR__MAX);
3822 			if (kerr != KCGI_OK)
3823 				goto done;
3824 			kerr = khtml_puts(gw_trans->gw_html_req,
3825 			    got_tree_entry_get_name(te));
3826 			if (kerr != KCGI_OK)
3827 				goto done;
3828 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
3829 			if (kerr != KCGI_OK)
3830 				goto done;
3831 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3832 			if (kerr != KCGI_OK)
3833 				goto done;
3834 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3835 			    KATTR_ID, "tree_line_blank", KATTR_CLASS, class,
3836 			    KATTR__MAX);
3837 			if (kerr != KCGI_OK)
3838 				goto done;
3839 			kerr = khtml_entity(gw_trans->gw_html_req,
3840 			    KENTITY_nbsp);
3841 			if (kerr != KCGI_OK)
3842 				goto done;
3843 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3844 			if (kerr != KCGI_OK)
3845 				goto done;
3846 		} else {
3847 			if (asprintf(&href_blob,
3848 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
3849 			    gw_trans->repo_name, "blob", gw_trans->commit_id,
3850 			    got_tree_entry_get_name(te),
3851 			    gw_trans->repo_folder ?
3852 			    gw_trans->repo_folder : "") == -1) {
3853 				error = got_error_from_errno("asprintf");
3854 				goto done;
3855 			}
3856 			if (asprintf(&href_blame,
3857 			    "?path=%s&action=%s&commit=%s&file=%s&folder=%s",
3858 			    gw_trans->repo_name, "blame", gw_trans->commit_id,
3859 			    got_tree_entry_get_name(te),
3860 			    gw_trans->repo_folder ?
3861 			    gw_trans->repo_folder : "") == -1) {
3862 				error = got_error_from_errno("asprintf");
3863 				goto done;
3864 			}
3865 
3866 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3867 			    KATTR_ID, "tree_wrapper", KATTR__MAX);
3868 			if (kerr != KCGI_OK)
3869 				goto done;
3870 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3871 			    KATTR_ID, "tree_line", KATTR_CLASS, class,
3872 			    KATTR__MAX);
3873 			if (kerr != KCGI_OK)
3874 				goto done;
3875 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3876 			    KATTR_HREF, href_blob, KATTR__MAX);
3877 			if (kerr != KCGI_OK)
3878 				goto done;
3879 			kerr = khtml_puts(gw_trans->gw_html_req,
3880 			    got_tree_entry_get_name(te));
3881 			if (kerr != KCGI_OK)
3882 				goto done;
3883 			kerr = khtml_puts(gw_trans->gw_html_req, modestr);
3884 			if (kerr != KCGI_OK)
3885 				goto done;
3886 			kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3887 			if (kerr != KCGI_OK)
3888 				goto done;
3889 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3890 			    KATTR_ID, "tree_line_navs", KATTR_CLASS, class,
3891 			    KATTR__MAX);
3892 			if (kerr != KCGI_OK)
3893 				goto done;
3894 
3895 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3896 			    KATTR_HREF, href_blob, KATTR__MAX);
3897 			if (kerr != KCGI_OK)
3898 				goto done;
3899 			kerr = khtml_puts(gw_trans->gw_html_req, "blob");
3900 			if (kerr != KCGI_OK)
3901 				goto done;
3902 			kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
3903 			if (kerr != KCGI_OK)
3904 				goto done;
3905 
3906 			kerr = khtml_puts(gw_trans->gw_html_req, " | ");
3907 			if (kerr != KCGI_OK)
3908 				goto done;
3909 
3910 			kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A,
3911 			    KATTR_HREF, href_blame, KATTR__MAX);
3912 			if (kerr != KCGI_OK)
3913 				goto done;
3914 			kerr = khtml_puts(gw_trans->gw_html_req, "blame");
3915 			if (kerr != KCGI_OK)
3916 				goto done;
3917 
3918 			kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
3919 			if (kerr != KCGI_OK)
3920 				goto done;
3921 		}
3922 		free(id_str);
3923 		id_str = NULL;
3924 		free(href_blob);
3925 		href_blob = NULL;
3926 		free(build_folder);
3927 		build_folder = NULL;
3928 	}
3929 done:
3930 	if (tree)
3931 		got_object_tree_close(tree);
3932 	free(id_str);
3933 	free(href_blob);
3934 	free(href_blame);
3935 	free(in_repo_path);
3936 	free(tree_id);
3937 	free(build_folder);
3938 	if (error == NULL && kerr != KCGI_OK)
3939 		error = gw_kcgi_error(kerr);
3940 	return error;
3941 }
3942 
3943 static const struct got_error *
3944 gw_output_repo_heads(struct gw_trans *gw_trans)
3945 {
3946 	const struct got_error *error = NULL;
3947 	struct got_reflist_head refs;
3948 	struct got_reflist_entry *re;
3949 	char *age = NULL, *href_summary = NULL, *href_briefs = NULL;
3950 	char *href_commits = NULL;
3951 	enum kcgi_err kerr = KCGI_OK;
3952 
3953 	SIMPLEQ_INIT(&refs);
3954 
3955 	error = got_ref_list(&refs, gw_trans->repo, "refs/heads",
3956 	    got_ref_cmp_by_name, NULL);
3957 	if (error)
3958 		goto done;
3959 
3960 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3961 	    KATTR_ID, "summary_heads_title_wrapper", KATTR__MAX);
3962 	if (kerr != KCGI_OK)
3963 		goto done;
3964 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3965 	    KATTR_ID, "summary_heads_title", KATTR__MAX);
3966 	if (kerr != KCGI_OK)
3967 		goto done;
3968 	kerr = khtml_puts(gw_trans->gw_html_req, "Heads");
3969 	if (kerr != KCGI_OK)
3970 		goto done;
3971 	kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
3972 	if (kerr != KCGI_OK)
3973 		goto done;
3974 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
3975 	    KATTR_ID, "summary_heads_content", KATTR__MAX);
3976 	if (kerr != KCGI_OK)
3977 		goto done;
3978 
3979 	SIMPLEQ_FOREACH(re, &refs, entry) {
3980 		const char *refname;
3981 
3982 		if (got_ref_is_symbolic(re->ref))
3983 			continue;
3984 
3985 		refname = got_ref_get_name(re->ref);
3986 		if (refname == NULL) {
3987 			error = got_error_from_errno("got_ref_to_str");
3988 			goto done;
3989 		}
3990 
3991 		if (strncmp(refname, "refs/heads/", 11) != 0)
3992 			continue;
3993 
3994 		error = gw_get_repo_age(&age, gw_trans, gw_trans->gw_dir->path,
3995 		    refname, TM_DIFF);
3996 		if (error)
3997 			goto done;
3998 
3999 		if (strncmp(refname, "refs/heads/", 11) == 0)
4000 			refname += 11;
4001 
4002 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4003 		    KATTR_ID, "heads_wrapper", KATTR__MAX);
4004 		if (kerr != KCGI_OK)
4005 			goto done;
4006 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4007 		    KATTR_ID, "heads_age", KATTR__MAX);
4008 		if (kerr != KCGI_OK)
4009 			goto done;
4010 		kerr = khtml_puts(gw_trans->gw_html_req, age ? age : "");
4011 		if (kerr != KCGI_OK)
4012 			goto done;
4013 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4014 		if (kerr != KCGI_OK)
4015 			goto done;
4016 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4017 		    KATTR_ID, "heads_space", KATTR__MAX);
4018 		if (kerr != KCGI_OK)
4019 			goto done;
4020 		kerr = khtml_entity(gw_trans->gw_html_req, KENTITY_nbsp);
4021 		if (kerr != KCGI_OK)
4022 			goto done;
4023 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4024 		if (kerr != KCGI_OK)
4025 			goto done;
4026 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV,
4027 		    KATTR_ID, "head", KATTR__MAX);
4028 		if (kerr != KCGI_OK)
4029 			goto done;
4030 		if (asprintf(&href_summary,
4031 		    "?path=%s&action=summary&headref=%s",
4032 		    gw_trans->repo_name, refname) == -1) {
4033 			error = got_error_from_errno("asprintf");
4034 			goto done;
4035 		}
4036 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4037 		    href_summary, KATTR__MAX);
4038 		kerr = khtml_puts(gw_trans->gw_html_req, refname);
4039 		if (kerr != KCGI_OK)
4040 			goto done;
4041 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4042 		if (kerr != KCGI_OK)
4043 			goto done;
4044 
4045 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4046 		    "navs_wrapper", KATTR__MAX);
4047 		if (kerr != KCGI_OK)
4048 			goto done;
4049 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4050 		    "navs", KATTR__MAX);
4051 		if (kerr != KCGI_OK)
4052 			goto done;
4053 
4054 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4055 		    href_summary, KATTR__MAX);
4056 		if (kerr != KCGI_OK)
4057 			goto done;
4058 		kerr = khtml_puts(gw_trans->gw_html_req, "summary");
4059 		if (kerr != KCGI_OK)
4060 			goto done;
4061 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4062 		if (kerr != KCGI_OK)
4063 			goto done;
4064 
4065 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4066 		if (kerr != KCGI_OK)
4067 			goto done;
4068 		if (asprintf(&href_briefs, "?path=%s&action=briefs&headref=%s",
4069 		    gw_trans->repo_name, refname) == -1) {
4070 			error = got_error_from_errno("asprintf");
4071 			goto done;
4072 		}
4073 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4074 		    href_briefs, KATTR__MAX);
4075 		if (kerr != KCGI_OK)
4076 			goto done;
4077 		kerr = khtml_puts(gw_trans->gw_html_req, "commit briefs");
4078 		if (kerr != KCGI_OK)
4079 			goto done;
4080 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4081 		if (kerr != KCGI_OK)
4082 			goto done;
4083 
4084 		kerr = khtml_puts(gw_trans->gw_html_req, " | ");
4085 		if (kerr != KCGI_OK)
4086 			goto done;
4087 
4088 		if (asprintf(&href_commits,
4089 		    "?path=%s&action=commits&headref=%s",
4090 		    gw_trans->repo_name, refname) == -1) {
4091 			error = got_error_from_errno("asprintf");
4092 			goto done;
4093 		}
4094 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4095 		    href_commits, KATTR__MAX);
4096 		if (kerr != KCGI_OK)
4097 			goto done;
4098 		kerr = khtml_puts(gw_trans->gw_html_req, "commits");
4099 		if (kerr != KCGI_OK)
4100 			goto done;
4101 		kerr = khtml_closeelem(gw_trans->gw_html_req, 3);
4102 		if (kerr != KCGI_OK)
4103 			goto done;
4104 
4105 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4106 		    "dotted_line", KATTR__MAX);
4107 		if (kerr != KCGI_OK)
4108 			goto done;
4109 		kerr = khtml_closeelem(gw_trans->gw_html_req, 2);
4110 		if (kerr != KCGI_OK)
4111 			goto done;
4112 		free(href_summary);
4113 		href_summary = NULL;
4114 		free(href_briefs);
4115 		href_briefs = NULL;
4116 		free(href_commits);
4117 		href_commits = NULL;
4118 	}
4119 done:
4120 	got_ref_list_free(&refs);
4121 	free(href_summary);
4122 	free(href_briefs);
4123 	free(href_commits);
4124 	return error;
4125 }
4126 
4127 static const struct got_error *
4128 gw_output_site_link(struct gw_trans *gw_trans)
4129 {
4130 	const struct got_error *error = NULL;
4131 	char *href_summary = NULL;
4132 	enum kcgi_err kerr = KCGI_OK;
4133 
4134 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4135 	    "site_link", KATTR__MAX);
4136 	if (kerr != KCGI_OK)
4137 		goto done;
4138 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF, GOTWEB,
4139 	    KATTR__MAX);
4140 	if (kerr != KCGI_OK)
4141 		goto done;
4142 	kerr = khtml_puts(gw_trans->gw_html_req,
4143 	   gw_trans->gw_conf->got_site_link);
4144 	if (kerr != KCGI_OK)
4145 		goto done;
4146 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4147 	if (kerr != KCGI_OK)
4148 		goto done;
4149 
4150 	if (gw_trans->repo_name != NULL) {
4151 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4152 		if (kerr != KCGI_OK)
4153 			goto done;
4154 		if (asprintf(&href_summary, "?path=%s&action=summary",
4155 		    gw_trans->repo_name) == -1)
4156 			goto done;
4157 		kerr = khtml_attr(gw_trans->gw_html_req, KELEM_A, KATTR_HREF,
4158 		    href_summary, KATTR__MAX);
4159 		if (kerr != KCGI_OK)
4160 			goto done;
4161 		kerr = khtml_puts(gw_trans->gw_html_req, gw_trans->repo_name);
4162 		if (kerr != KCGI_OK)
4163 			goto done;
4164 		kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4165 		if (kerr != KCGI_OK)
4166 			goto done;
4167 		kerr = khtml_puts(gw_trans->gw_html_req, " / ");
4168 		if (kerr != KCGI_OK)
4169 			goto done;
4170 		kerr = khtml_puts(gw_trans->gw_html_req,
4171 		    gw_get_action_name(gw_trans));
4172 		if (kerr != KCGI_OK)
4173 			goto done;
4174 	}
4175 
4176 	kerr = khtml_closeelem(gw_trans->gw_html_req, 1);
4177 	if (kerr != KCGI_OK)
4178 		goto done;
4179 done:
4180 	free(href_summary);
4181 	return error;
4182 }
4183 
4184 static const struct got_error *
4185 gw_colordiff_line(struct gw_trans *gw_trans, char *buf)
4186 {
4187 	const struct got_error *error = NULL;
4188 	char *color = NULL;
4189 	enum kcgi_err kerr = KCGI_OK;
4190 
4191 	if (strncmp(buf, "-", 1) == 0)
4192 		color = "diff_minus";
4193 	else if (strncmp(buf, "+", 1) == 0)
4194 		color = "diff_plus";
4195 	else if (strncmp(buf, "@@", 2) == 0)
4196 		color = "diff_chunk_header";
4197 	else if (strncmp(buf, "@@", 2) == 0)
4198 		color = "diff_chunk_header";
4199 	else if (strncmp(buf, "commit +", 8) == 0)
4200 		color = "diff_meta";
4201 	else if (strncmp(buf, "commit -", 8) == 0)
4202 		color = "diff_meta";
4203 	else if (strncmp(buf, "blob +", 6) == 0)
4204 		color = "diff_meta";
4205 	else if (strncmp(buf, "blob -", 6) == 0)
4206 		color = "diff_meta";
4207 	else if (strncmp(buf, "file +", 6) == 0)
4208 		color = "diff_meta";
4209 	else if (strncmp(buf, "file -", 6) == 0)
4210 		color = "diff_meta";
4211 	else if (strncmp(buf, "from:", 5) == 0)
4212 		color = "diff_author";
4213 	else if (strncmp(buf, "via:", 4) == 0)
4214 		color = "diff_author";
4215 	else if (strncmp(buf, "date:", 5) == 0)
4216 		color = "diff_date";
4217 	kerr = khtml_attr(gw_trans->gw_html_req, KELEM_DIV, KATTR_ID,
4218 	    "diff_line", KATTR_CLASS, color ? color : "", KATTR__MAX);
4219 	if (error == NULL && kerr != KCGI_OK)
4220 		error = gw_kcgi_error(kerr);
4221 	return error;
4222 }
4223 
4224 int
4225 main(int argc, char *argv[])
4226 {
4227 	const struct got_error *error = NULL;
4228 	struct gw_trans *gw_trans;
4229 	struct gw_dir *dir = NULL, *tdir;
4230 	const char *page = "index";
4231 	int gw_malloc = 1;
4232 	enum kcgi_err kerr;
4233 
4234 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
4235 		errx(1, "malloc");
4236 
4237 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
4238 		errx(1, "malloc");
4239 
4240 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
4241 		errx(1, "malloc");
4242 
4243 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
4244 		errx(1, "malloc");
4245 
4246 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
4247 	if (kerr != KCGI_OK) {
4248 		error = gw_kcgi_error(kerr);
4249 		goto done;
4250 	}
4251 
4252 	if ((gw_trans->gw_conf =
4253 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
4254 		gw_malloc = 0;
4255 		error = got_error_from_errno("malloc");
4256 		goto done;
4257 	}
4258 
4259 	TAILQ_INIT(&gw_trans->gw_dirs);
4260 	TAILQ_INIT(&gw_trans->gw_headers);
4261 
4262 	gw_trans->action = -1;
4263 	gw_trans->page = 0;
4264 	gw_trans->repos_total = 0;
4265 	gw_trans->repo_path = NULL;
4266 	gw_trans->commit_id = NULL;
4267 	gw_trans->headref = GOT_REF_HEAD;
4268 	gw_trans->mime = KMIME_TEXT_HTML;
4269 	gw_trans->gw_tmpl->key = gw_templs;
4270 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
4271 	gw_trans->gw_tmpl->arg = gw_trans;
4272 	gw_trans->gw_tmpl->cb = gw_template;
4273 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
4274 	if (error)
4275 		goto done;
4276 
4277 	error = gw_parse_querystring(gw_trans);
4278 	if (error)
4279 		goto done;
4280 
4281 	if (gw_trans->action == GW_BLOB)
4282 		error = gw_blob(gw_trans);
4283 	else
4284 		error = gw_display_index(gw_trans);
4285 done:
4286 	if (gw_malloc) {
4287 		free(gw_trans->gw_conf->got_repos_path);
4288 		free(gw_trans->gw_conf->got_site_name);
4289 		free(gw_trans->gw_conf->got_site_owner);
4290 		free(gw_trans->gw_conf->got_site_link);
4291 		free(gw_trans->gw_conf->got_logo);
4292 		free(gw_trans->gw_conf->got_logo_url);
4293 		free(gw_trans->gw_conf);
4294 		free(gw_trans->commit_id);
4295 		free(gw_trans->repo_path);
4296 		if (gw_trans->repo)
4297 			got_repo_close(gw_trans->repo);
4298 
4299 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
4300 			free(dir->name);
4301 			free(dir->description);
4302 			free(dir->age);
4303 			free(dir->url);
4304 			free(dir->path);
4305 			free(dir);
4306 		}
4307 
4308 	}
4309 
4310 	khttp_free(gw_trans->gw_req);
4311 	return 0;
4312 }