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 <dirent.h>
23 #include <err.h>
24 #include <errno.h>
25 #include <regex.h>
26 #include <stdarg.h>
27 #include <stdbool.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 "buf.h"
50 #include "gotweb.h"
51 #include "gotweb_ui.h"
52 
53 #ifndef nitems
54 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
55 #endif
56 
57 struct gw_trans {
58 	TAILQ_HEAD(headers, gw_header)	 gw_headers;
59 	TAILQ_HEAD(dirs, gw_dir)	 gw_dirs;
60 	struct gw_dir		*gw_dir;
61 	struct gotweb_conf	*gw_conf;
62 	struct ktemplate	*gw_tmpl;
63 	struct khtmlreq		*gw_html_req;
64 	struct kreq		*gw_req;
65 	char			*repo_name;
66 	char			*repo_path;
67 	char			*commit;
68 	char			*repo_file;
69 	char			*repo_folder;
70 	char			*action_name;
71 	char			*headref;
72 	unsigned int		 action;
73 	unsigned int		 page;
74 	unsigned int		 repos_total;
75 	enum kmime		 mime;
76 };
77 
78 struct gw_header {
79 	TAILQ_ENTRY(gw_header)		 entry;
80 	struct got_repository		*repo;
81 	struct got_reflist_head		 refs;
82 	struct got_commit_object	*commit;
83 	struct got_object_id		*id;
84 	char				*path;
85 
86 	char			*refs_str;
87 	char			*commit_id; /* id_str1 */
88 	char			*parent_id; /* id_str2 */
89 	char			*tree_id;
90 	char			*author;
91 	char			*committer;
92 	char			*commit_msg;
93 	time_t			 committer_time;
94 };
95 
96 struct gw_dir {
97 	TAILQ_ENTRY(gw_dir)	 entry;
98 	char			*name;
99 	char			*owner;
100 	char			*description;
101 	char			*url;
102 	char			*age;
103 	char			*path;
104 };
105 
106 enum gw_key {
107 	KEY_ACTION,
108 	KEY_COMMIT_ID,
109 	KEY_FILE,
110 	KEY_FOLDER,
111 	KEY_HEADREF,
112 	KEY_PAGE,
113 	KEY_PATH,
114 	KEY__ZMAX
115 };
116 
117 enum gw_tmpl {
118 	TEMPL_CONTENT,
119 	TEMPL_HEAD,
120 	TEMPL_HEADER,
121 	TEMPL_SEARCH,
122 	TEMPL_SITEPATH,
123 	TEMPL_SITEOWNER,
124 	TEMPL_TITLE,
125 	TEMPL__MAX
126 };
127 
128 enum gw_ref_tm {
129 	TM_DIFF,
130 	TM_LONG,
131 };
132 
133 enum gw_tags {
134 	TAGBRIEF,
135 	TAGFULL,
136 };
137 
138 static const char *const gw_templs[TEMPL__MAX] = {
139 	"content",
140 	"head",
141 	"header",
142 	"search",
143 	"sitepath",
144 	"siteowner",
145 	"title",
146 };
147 
148 static const struct kvalid gw_keys[KEY__ZMAX] = {
149 	{ kvalid_stringne,	"action" },
150 	{ kvalid_stringne,	"commit" },
151 	{ kvalid_stringne,	"file" },
152 	{ kvalid_stringne,	"folder" },
153 	{ kvalid_stringne,	"headref" },
154 	{ kvalid_int,		"page" },
155 	{ kvalid_stringne,	"path" },
156 };
157 
158 static struct gw_dir		*gw_init_gw_dir(char *);
159 static struct gw_header		*gw_init_header(void);
160 
161 static char			*gw_get_repo_description(struct gw_trans *,
162 				    char *);
163 static char			*gw_get_repo_owner(struct gw_trans *,
164 				    char *);
165 static char			*gw_get_time_str(time_t, int);
166 static char			*gw_get_repo_age(struct gw_trans *,
167 				    char *, char *, int);
168 static char			*gw_get_file_blame(struct gw_trans *);
169 static char			*gw_get_repo_tree(struct gw_trans *);
170 static char			*gw_get_diff(struct gw_trans *,
171 				    struct gw_header *);
172 static char			*gw_get_repo_tags(struct gw_trans *, int, int);
173 static char			*gw_get_repo_heads(struct gw_trans *);
174 static char			*gw_get_clone_url(struct gw_trans *, char *);
175 static char			*gw_get_got_link(struct gw_trans *);
176 static char			*gw_get_site_link(struct gw_trans *);
177 static char			*gw_html_escape(const char *);
178 static char			*gw_colordiff_line(char *);
179 
180 static char			*gw_gen_commit_header(char *, char*);
181 static char			*gw_gen_diff_header(char *, char*);
182 static char			*gw_gen_author_header(char *);
183 static char			*gw_gen_committer_header(char *);
184 static char			*gw_gen_age_header(char *);
185 static char			*gw_gen_commit_msg_header(char *);
186 static char			*gw_gen_tree_header(char *);
187 
188 static void			 gw_free_headers(struct gw_header *);
189 static const struct got_error*	 gw_display_open(struct gw_trans *, enum khttp,
190 				    enum kmime);
191 static const struct got_error*	 gw_display_index(struct gw_trans *,
192 				    const struct got_error *);
193 
194 static int			 gw_template(size_t, void *);
195 
196 static const struct got_error*	 gw_get_header(struct gw_trans *,
197 				    struct gw_header *, int);
198 static const struct got_error*	 gw_get_commits(struct gw_trans *,
199 				    struct gw_header *, int);
200 static const struct got_error*	 gw_get_commit(struct gw_trans *,
201 				    struct gw_header *);
202 static const struct got_error*	 gw_apply_unveil(const char *, const char *);
203 static const struct got_error*	 gw_blame_cb(void *, int, int,
204 				    struct got_object_id *);
205 static const struct got_error*	 gw_load_got_paths(struct gw_trans *);
206 static const struct got_error*	 gw_load_got_path(struct gw_trans *,
207 				    struct gw_dir *);
208 static const struct got_error*	 gw_parse_querystring(struct gw_trans *);
209 
210 static const struct got_error*	 gw_blame(struct gw_trans *);
211 static const struct got_error*	 gw_diff(struct gw_trans *);
212 static const struct got_error*	 gw_index(struct gw_trans *);
213 static const struct got_error*	 gw_commits(struct gw_trans *);
214 static const struct got_error*	 gw_briefs(struct gw_trans *);
215 static const struct got_error*	 gw_summary(struct gw_trans *);
216 static const struct got_error*	 gw_tree(struct gw_trans *);
217 
218 struct gw_query_action {
219 	unsigned int		 func_id;
220 	const char		*func_name;
221 	const struct got_error	*(*func_main)(struct gw_trans *);
222 	char			*template;
223 };
224 
225 enum gw_query_actions {
226 	GW_BLAME,
227 	GW_BRIEFS,
228 	GW_COMMITS,
229 	GW_DIFF,
230 	GW_ERR,
231 	GW_INDEX,
232 	GW_SUMMARY,
233 	GW_TREE,
234 };
235 
236 static struct gw_query_action gw_query_funcs[] = {
237 	{ GW_BLAME,	"blame",	gw_blame,	"gw_tmpl/blame.tmpl" },
238 	{ GW_BRIEFS,	"briefs",	gw_briefs,	"gw_tmpl/briefs.tmpl" },
239 	{ GW_COMMITS,	"commits",	gw_commits,	"gw_tmpl/commit.tmpl" },
240 	{ GW_DIFF,	"diff",		gw_diff,	"gw_tmpl/diff.tmpl" },
241 	{ GW_ERR,	 NULL,		NULL,		"gw_tmpl/err.tmpl" },
242 	{ GW_INDEX,	"index",	gw_index,	"gw_tmpl/index.tmpl" },
243 	{ GW_SUMMARY,	"summary",	gw_summary,	"gw_tmpl/summry.tmpl" },
244 	{ GW_TREE,	"tree",		gw_tree,	"gw_tmpl/tree.tmpl" },
245 };
246 
247 static const struct got_error *
248 gw_kcgi_error(enum kcgi_err kerr)
249 {
250 	if (kerr == KCGI_OK)
251 		return NULL;
252 
253 	if (kerr == KCGI_EXIT || kerr == KCGI_HUP)
254 		return got_error(GOT_ERR_CANCELLED);
255 
256 	if (kerr == KCGI_ENOMEM)
257 		return got_error_set_errno(ENOMEM, kcgi_strerror(kerr));
258 
259 	if (kerr == KCGI_ENFILE)
260 		return got_error_set_errno(ENFILE, kcgi_strerror(kerr));
261 
262 	if (kerr == KCGI_EAGAIN)
263 		return got_error_set_errno(EAGAIN, kcgi_strerror(kerr));
264 
265 	if (kerr == KCGI_FORM)
266 		return got_error_msg(GOT_ERR_IO, kcgi_strerror(kerr));
267 
268 	return got_error_from_errno(kcgi_strerror(kerr));
269 }
270 
271 static const struct got_error *
272 gw_apply_unveil(const char *repo_path, const char *repo_file)
273 {
274 	const struct got_error *err;
275 
276 	if (repo_path && repo_file) {
277 		char *full_path;
278 		if ((asprintf(&full_path, "%s/%s", repo_path, repo_file)) == -1)
279 			return got_error_from_errno("asprintf unveil");
280 		if (unveil(full_path, "r") != 0)
281 			return got_error_from_errno2("unveil", full_path);
282 	}
283 
284 	if (repo_path && unveil(repo_path, "r") != 0)
285 		return got_error_from_errno2("unveil", repo_path);
286 
287 	if (unveil("/tmp", "rwc") != 0)
288 		return got_error_from_errno2("unveil", "/tmp");
289 
290 	err = got_privsep_unveil_exec_helpers();
291 	if (err != NULL)
292 		return err;
293 
294 	if (unveil(NULL, NULL) != 0)
295 		return got_error_from_errno("unveil");
296 
297 	return NULL;
298 }
299 
300 static const struct got_error *
301 gw_blame(struct gw_trans *gw_trans)
302 {
303 	const struct got_error *error = NULL;
304 	struct gw_header *header = NULL;
305 	char *blame = NULL, *blame_html = NULL, *blame_html_disp = NULL;
306 	enum kcgi_err kerr;
307 
308 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
309 	    NULL) == -1)
310 		return got_error_from_errno("pledge");
311 
312 	if ((header = gw_init_header()) == NULL)
313 		return got_error_from_errno("malloc");
314 
315 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
316 	if (error)
317 		return error;
318 
319 	error = gw_get_header(gw_trans, header, 1);
320 	if (error)
321 		return error;
322 
323 	blame_html = gw_get_file_blame(gw_trans);
324 
325 	if (blame_html == NULL) {
326 		blame_html = strdup("");
327 		if (blame_html == NULL)
328 			return got_error_from_errno("strdup");
329 	}
330 
331 	if ((asprintf(&blame_html_disp, blame_header,
332 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
333 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
334 	    blame_html)) == -1) {
335 		error = got_error_from_errno("asprintf");
336 		goto done;
337 	}
338 
339 	if (asprintf(&blame, blame_wrapper, blame_html_disp) == -1) {
340 		error = got_error_from_errno("asprintf");
341 		goto done;
342 	}
343 
344 	kerr = khttp_puts(gw_trans->gw_req, blame);
345 	if (kerr != KCGI_OK)
346 		error = gw_kcgi_error(kerr);
347 done:
348 	got_ref_list_free(&header->refs);
349 	gw_free_headers(header);
350 	free(blame_html_disp);
351 	free(blame_html);
352 	free(blame);
353 	return error;
354 }
355 
356 static const struct got_error *
357 gw_diff(struct gw_trans *gw_trans)
358 {
359 	const struct got_error *error = NULL;
360 	struct gw_header *header = NULL;
361 	char *diff = NULL, *diff_html = NULL, *diff_html_disp = NULL;
362 	enum kcgi_err kerr;
363 
364 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
365 	    NULL) == -1)
366 		return got_error_from_errno("pledge");
367 
368 	if ((header = gw_init_header()) == NULL)
369 		return got_error_from_errno("malloc");
370 
371 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
372 	if (error)
373 		return error;
374 
375 	error = gw_get_header(gw_trans, header, 1);
376 	if (error)
377 		return error;
378 
379 	diff_html = gw_get_diff(gw_trans, header);
380 
381 	if (diff_html == NULL)
382 		diff_html = strdup("");
383 
384 	if ((asprintf(&diff_html_disp, diff_header,
385 	    gw_gen_diff_header(header->parent_id, header->commit_id),
386 	    gw_gen_commit_header(header->commit_id, header->refs_str),
387 	    gw_gen_tree_header(header->tree_id),
388 	    gw_gen_author_header(header->author),
389 	    gw_gen_committer_header(header->committer),
390 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
391 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
392 	    diff_html)) == -1)
393 		return got_error_from_errno("asprintf");
394 
395 	if ((asprintf(&diff, diff_wrapper, diff_html_disp)) == -1)
396 		return got_error_from_errno("asprintf");
397 
398 	kerr = khttp_puts(gw_trans->gw_req, diff);
399 	if (kerr != KCGI_OK)
400 		error = gw_kcgi_error(kerr);
401 	got_ref_list_free(&header->refs);
402 	gw_free_headers(header);
403 	free(diff_html_disp);
404 	free(diff_html);
405 	free(diff);
406 	return error;
407 }
408 
409 static const struct got_error *
410 gw_index(struct gw_trans *gw_trans)
411 {
412 	const struct got_error *error = NULL;
413 	struct gw_dir *gw_dir = NULL;
414 	char *html, *navs, *next, *prev;
415 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
416 	enum kcgi_err kerr;
417 
418 	if (pledge("stdio rpath proc exec sendfd unveil",
419 	    NULL) == -1) {
420 		error = got_error_from_errno("pledge");
421 		return error;
422 	}
423 
424 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path, NULL);
425 	if (error)
426 		return error;
427 
428 	error = gw_load_got_paths(gw_trans);
429 	if (error)
430 		return error;
431 
432 	kerr = khttp_puts(gw_trans->gw_req, index_projects_header);
433 	if (kerr != KCGI_OK)
434 		return gw_kcgi_error(kerr);
435 
436 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
437 		if (asprintf(&html, index_projects_empty,
438 		    gw_trans->gw_conf->got_repos_path) == -1)
439 			return got_error_from_errno("asprintf");
440 		kerr = khttp_puts(gw_trans->gw_req, html);
441 		if (kerr != KCGI_OK)
442 			error = gw_kcgi_error(kerr);
443 		free(html);
444 		return error;
445 	}
446 
447 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
448 		dir_c++;
449 
450 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
451 		if (gw_trans->page > 0 && (gw_trans->page *
452 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
453 			prev_disp++;
454 			continue;
455 		}
456 
457 		prev_disp++;
458 
459 		if (error)
460 			return error;
461 		if((asprintf(&navs, index_navs, gw_dir->name, gw_dir->name,
462 		    gw_dir->name, gw_dir->name)) == -1)
463 			return got_error_from_errno("asprintf");
464 
465 		if ((asprintf(&html, index_projects, gw_dir->name, gw_dir->name,
466 		    gw_dir->description, gw_dir->owner, gw_dir->age,
467 		    navs)) == -1)
468 			return got_error_from_errno("asprintf");
469 
470 		kerr = khttp_puts(gw_trans->gw_req, html);
471 		free(navs);
472 		free(html);
473 		if (kerr != KCGI_OK)
474 			return gw_kcgi_error(kerr);
475 
476 		if (gw_trans->gw_conf->got_max_repos_display == 0)
477 			continue;
478 
479 		if (next_disp == gw_trans->gw_conf->got_max_repos_display) {
480 			kerr = khttp_puts(gw_trans->gw_req, np_wrapper_start);
481 			if (kerr != KCGI_OK)
482 				return gw_kcgi_error(kerr);
483 		} else if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
484 		    (gw_trans->page > 0) &&
485 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
486 		    prev_disp == gw_trans->repos_total)) {
487 			kerr = khttp_puts(gw_trans->gw_req, np_wrapper_start);
488 			if (kerr != KCGI_OK)
489 				return gw_kcgi_error(kerr);
490 		}
491 
492 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
493 		    (gw_trans->page > 0) &&
494 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
495 		    prev_disp == gw_trans->repos_total)) {
496 			if ((asprintf(&prev, nav_prev,
497 			    gw_trans->page - 1)) == -1)
498 				return got_error_from_errno("asprintf");
499 			kerr = khttp_puts(gw_trans->gw_req, prev);
500 			free(prev);
501 			if (kerr != KCGI_OK)
502 				return gw_kcgi_error(kerr);
503 		}
504 
505 		kerr = khttp_puts(gw_trans->gw_req, div_end);
506 		if (kerr != KCGI_OK)
507 			return gw_kcgi_error(kerr);
508 
509 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
510 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
511 		    dir_c != (gw_trans->page + 1) *
512 		    gw_trans->gw_conf->got_max_repos_display) {
513 			if ((asprintf(&next, nav_next,
514 			    gw_trans->page + 1)) == -1)
515 				return got_error_from_errno("calloc");
516 			kerr = khttp_puts(gw_trans->gw_req, next);
517 			free(next);
518 			if (kerr != KCGI_OK)
519 				return gw_kcgi_error(kerr);
520 			kerr = khttp_puts(gw_trans->gw_req, div_end);
521 			if (kerr != KCGI_OK)
522 				error = gw_kcgi_error(kerr);
523 			next_disp = 0;
524 			break;
525 		}
526 
527 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
528 		    (gw_trans->page > 0) &&
529 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
530 		    prev_disp == gw_trans->repos_total)) {
531 			kerr = khttp_puts(gw_trans->gw_req, div_end);
532 			if (kerr != KCGI_OK)
533 				return gw_kcgi_error(kerr);
534 		}
535 
536 		next_disp++;
537 	}
538 	return error;
539 }
540 
541 static const struct got_error *
542 gw_commits(struct gw_trans *gw_trans)
543 {
544 	const struct got_error *error = NULL;
545 	char *commits_html, *commits_navs_html;
546 	struct gw_header *header = NULL, *n_header = NULL;
547 	enum kcgi_err kerr;
548 
549 	if ((header = gw_init_header()) == NULL)
550 		return got_error_from_errno("malloc");
551 
552 	if (pledge("stdio rpath proc exec sendfd unveil",
553 	    NULL) == -1) {
554 		error = got_error_from_errno("pledge");
555 		return error;
556 	}
557 
558 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
559 	if (error)
560 		return error;
561 
562 	error = gw_get_header(gw_trans, header,
563 	    gw_trans->gw_conf->got_max_commits_display);
564 
565 	kerr = khttp_puts(gw_trans->gw_req, commits_wrapper);
566 	if (kerr != KCGI_OK)
567 		return gw_kcgi_error(kerr);
568 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
569 		if ((asprintf(&commits_navs_html, commits_navs,
570 		    gw_trans->repo_name, n_header->commit_id,
571 		    gw_trans->repo_name, n_header->commit_id,
572 		    gw_trans->repo_name, n_header->commit_id)) == -1)
573 			return got_error_from_errno("asprintf");
574 
575 		if ((asprintf(&commits_html, commits_line,
576 	    	    gw_gen_commit_header(n_header->commit_id,
577 		        n_header->refs_str),
578 	    	    gw_gen_author_header(n_header->author),
579 	    	    gw_gen_committer_header(n_header->committer),
580 		    gw_gen_age_header(gw_get_time_str(n_header->committer_time,
581 		        TM_LONG)), gw_html_escape(n_header->commit_msg),
582 		    commits_navs_html)) == -1)
583 			return got_error_from_errno("asprintf");
584 		kerr = khttp_puts(gw_trans->gw_req, commits_html);
585 		if (kerr != KCGI_OK)
586 			return gw_kcgi_error(kerr);
587 	}
588 	kerr = khttp_puts(gw_trans->gw_req, div_end);
589 	if (kerr != KCGI_OK)
590 		error = gw_kcgi_error(kerr);
591 
592 	if (header)
593 		got_ref_list_free(&header->refs);
594 	gw_free_headers(header);
595 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
596 		gw_free_headers(n_header);
597 	return error;
598 }
599 
600 static const struct got_error *
601 gw_briefs(struct gw_trans *gw_trans)
602 {
603 	const struct got_error *error = NULL;
604 	char *briefs_html = NULL, *briefs_navs_html = NULL, *newline;
605 	struct gw_header *header = NULL, *n_header = NULL;
606 	enum kcgi_err kerr;
607 
608 	if ((header = gw_init_header()) == NULL)
609 		return got_error_from_errno("malloc");
610 
611 	if (pledge("stdio rpath proc exec sendfd unveil",
612 	    NULL) == -1) {
613 		error = got_error_from_errno("pledge");
614 		return error;
615 	}
616 
617 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
618 	if (error)
619 		return error;
620 
621 	if (gw_trans->action == GW_SUMMARY)
622 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
623 	else
624 		error = gw_get_header(gw_trans, header,
625 		    gw_trans->gw_conf->got_max_commits_display);
626 
627 	if (error)
628 		return error;
629 
630 	kerr = khttp_puts(gw_trans->gw_req, briefs_wrapper);
631 	if (kerr != KCGI_OK)
632 		return gw_kcgi_error(kerr);
633 
634 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
635 		if ((asprintf(&briefs_navs_html, briefs_navs,
636 		    gw_trans->repo_name, n_header->commit_id,
637 		    gw_trans->repo_name, n_header->commit_id,
638 		    gw_trans->repo_name, n_header->commit_id)) == -1)
639 			return got_error_from_errno("asprintf");
640 		newline = strchr(n_header->commit_msg, '\n');
641 		if (newline)
642 			*newline = '\0';
643 		if ((asprintf(&briefs_html, briefs_line,
644 		    gw_get_time_str(n_header->committer_time, TM_DIFF),
645 		    n_header->author, gw_html_escape(n_header->commit_msg),
646 		    briefs_navs_html)) == -1)
647 			return got_error_from_errno("asprintf");
648 		kerr = khttp_puts(gw_trans->gw_req, briefs_html);
649 		if (kerr != KCGI_OK)
650 			return gw_kcgi_error(kerr);
651 	}
652 	kerr = khttp_puts(gw_trans->gw_req, div_end);
653 	if (kerr != KCGI_OK)
654 		error = gw_kcgi_error(kerr);
655 
656 	if (header)
657 		got_ref_list_free(&header->refs);
658 	gw_free_headers(header);
659 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
660 		gw_free_headers(n_header);
661 	return error;
662 }
663 
664 static const struct got_error *
665 gw_summary(struct gw_trans *gw_trans)
666 {
667 	const struct got_error *error = NULL;
668 	char *description_html, *repo_owner_html, *repo_age_html,
669 	     *cloneurl_html, *tags, *heads, *tags_html,
670 	     *heads_html, *age;
671 	enum kcgi_err kerr;
672 
673 	if (pledge("stdio rpath proc exec sendfd unveil",
674 	    NULL) == -1) {
675 		error = got_error_from_errno("pledge");
676 		return error;
677 	}
678 
679 	/* unveil is applied with gw_briefs below */
680 
681 	kerr = khttp_puts(gw_trans->gw_req, summary_wrapper);
682 	if (kerr != KCGI_OK)
683 		return gw_kcgi_error(kerr);
684 
685 	if (gw_trans->gw_conf->got_show_repo_description) {
686 		if (gw_trans->gw_dir->description != NULL &&
687 		    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
688 			if ((asprintf(&description_html, description,
689 			    gw_trans->gw_dir->description)) == -1)
690 				return got_error_from_errno("asprintf");
691 
692 			kerr = khttp_puts(gw_trans->gw_req, description_html);
693 			free(description_html);
694 			if (kerr != KCGI_OK)
695 				return gw_kcgi_error(kerr);
696 		}
697 	}
698 
699 	if (gw_trans->gw_conf->got_show_repo_owner) {
700 		if (gw_trans->gw_dir->owner != NULL &&
701 		    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
702 			if ((asprintf(&repo_owner_html, repo_owner,
703 			    gw_trans->gw_dir->owner)) == -1)
704 				return got_error_from_errno("asprintf");
705 
706 			kerr = khttp_puts(gw_trans->gw_req, repo_owner_html);
707 			free(repo_owner_html);
708 			if (kerr != KCGI_OK)
709 				return gw_kcgi_error(kerr);
710 		}
711 	}
712 
713 	if (gw_trans->gw_conf->got_show_repo_age) {
714 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path,
715 		    "refs/heads", TM_LONG);
716 		if (age != NULL && (strcmp(age, "") != 0)) {
717 			if ((asprintf(&repo_age_html, last_change, age)) == -1)
718 				return got_error_from_errno("asprintf");
719 
720 			kerr = khttp_puts(gw_trans->gw_req, repo_age_html);
721 			free(repo_age_html);
722 			free(age);
723 			if (kerr != KCGI_OK)
724 				return gw_kcgi_error(kerr);
725 		}
726 	}
727 
728 	if (gw_trans->gw_conf->got_show_repo_cloneurl) {
729 		if (gw_trans->gw_dir->url != NULL &&
730 		    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
731 			if ((asprintf(&cloneurl_html, cloneurl,
732 			    gw_trans->gw_dir->url)) == -1)
733 				return got_error_from_errno("asprintf");
734 
735 			kerr = khttp_puts(gw_trans->gw_req, cloneurl_html);
736 			free(cloneurl_html);
737 			if (kerr != KCGI_OK)
738 				return gw_kcgi_error(kerr);
739 		}
740 	}
741 	kerr = khttp_puts(gw_trans->gw_req, div_end);
742 	if (kerr != KCGI_OK)
743 		return gw_kcgi_error(kerr);
744 
745 	error = gw_briefs(gw_trans);
746 	if (error)
747 		return error;
748 
749 	tags = gw_get_repo_tags(gw_trans, D_MAXSLCOMMDISP, TAGBRIEF);
750 	heads = gw_get_repo_heads(gw_trans);
751 
752 	if (tags != NULL && strcmp(tags, "") != 0) {
753 		if ((asprintf(&tags_html, summary_tags,
754 		    tags)) == -1)
755 			return got_error_from_errno("asprintf");
756 		kerr = khttp_puts(gw_trans->gw_req, tags_html);
757 		free(tags_html);
758 		free(tags);
759 		if (kerr != KCGI_OK)
760 			return gw_kcgi_error(kerr);
761 	}
762 
763 	if (heads != NULL && strcmp(heads, "") != 0) {
764 		if ((asprintf(&heads_html, summary_heads,
765 		    heads)) == -1)
766 			return got_error_from_errno("asprintf");
767 		kerr = khttp_puts(gw_trans->gw_req, heads_html);
768 		free(heads_html);
769 		free(heads);
770 		if (kerr != KCGI_OK)
771 			return gw_kcgi_error(kerr);
772 	}
773 	return error;
774 }
775 
776 static const struct got_error *
777 gw_tree(struct gw_trans *gw_trans)
778 {
779 	const struct got_error *error = NULL;
780 	struct gw_header *header = NULL;
781 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
782 	enum kcgi_err kerr;
783 
784 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
785 		return got_error_from_errno("pledge");
786 
787 	if ((header = gw_init_header()) == NULL)
788 		return got_error_from_errno("malloc");
789 
790 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
791 	if (error)
792 		return error;
793 
794 	error = gw_get_header(gw_trans, header, 1);
795 	if (error)
796 		return error;
797 
798 	tree_html = gw_get_repo_tree(gw_trans);
799 
800 	if (tree_html == NULL)
801 		tree_html = strdup("");
802 
803 	if ((asprintf(&tree_html_disp, tree_header,
804 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
805 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
806 	    tree_html)) == -1)
807 		return got_error_from_errno("asprintf");
808 
809 	if ((asprintf(&tree, tree_wrapper, tree_html_disp)) == -1)
810 		return got_error_from_errno("asprintf");
811 
812 	kerr = khttp_puts(gw_trans->gw_req, tree);
813 	if (kerr != KCGI_OK)
814 		error = gw_kcgi_error(kerr);
815 	if (header)
816 		got_ref_list_free(&header->refs);
817 	gw_free_headers(header);
818 	free(tree_html_disp);
819 	free(tree_html);
820 	free(tree);
821 	return error;
822 }
823 
824 static const struct got_error *
825 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
826 {
827 	const struct got_error *error = NULL;
828 	DIR *dt;
829 	char *dir_test;
830 	int opened = 0;
831 
832 	if ((asprintf(&dir_test, "%s/%s/%s",
833 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
834 	    GOTWEB_GIT_DIR)) == -1)
835 		return got_error_from_errno("asprintf");
836 
837 	dt = opendir(dir_test);
838 	if (dt == NULL) {
839 		free(dir_test);
840 	} else {
841 		gw_dir->path = strdup(dir_test);
842 		opened = 1;
843 		goto done;
844 	}
845 
846 	if ((asprintf(&dir_test, "%s/%s/%s",
847 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
848 	    GOTWEB_GOT_DIR)) == -1)
849 		return got_error_from_errno("asprintf");
850 
851 	dt = opendir(dir_test);
852 	if (dt == NULL)
853 		free(dir_test);
854 	else {
855 		opened = 1;
856 		error = got_error(GOT_ERR_NOT_GIT_REPO);
857 		goto errored;
858 	}
859 
860 	if ((asprintf(&dir_test, "%s/%s",
861 	    gw_trans->gw_conf->got_repos_path, gw_dir->name)) == -1)
862 		return got_error_from_errno("asprintf");
863 
864 	gw_dir->path = strdup(dir_test);
865 
866 done:
867 	gw_dir->description = gw_get_repo_description(gw_trans,
868 	    gw_dir->path);
869 	gw_dir->owner = gw_get_repo_owner(gw_trans, gw_dir->path);
870 	gw_dir->age = gw_get_repo_age(gw_trans, gw_dir->path, "refs/heads",
871 	    TM_DIFF);
872 	gw_dir->url = gw_get_clone_url(gw_trans, gw_dir->path);
873 
874 errored:
875 	free(dir_test);
876 	if (opened)
877 		closedir(dt);
878 	return error;
879 }
880 
881 static const struct got_error *
882 gw_load_got_paths(struct gw_trans *gw_trans)
883 {
884 	const struct got_error *error = NULL;
885 	DIR *d;
886 	struct dirent **sd_dent;
887 	struct gw_dir *gw_dir;
888 	struct stat st;
889 	unsigned int d_cnt, d_i;
890 
891 	d = opendir(gw_trans->gw_conf->got_repos_path);
892 	if (d == NULL) {
893 		error = got_error_from_errno2("opendir",
894 		    gw_trans->gw_conf->got_repos_path);
895 		return error;
896 	}
897 
898 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
899 	    alphasort);
900 	if (d_cnt == -1) {
901 		error = got_error_from_errno2("scandir",
902 		    gw_trans->gw_conf->got_repos_path);
903 		return error;
904 	}
905 
906 	for (d_i = 0; d_i < d_cnt; d_i++) {
907 		if (gw_trans->gw_conf->got_max_repos > 0 &&
908 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
909 			break; /* account for parent and self */
910 
911 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
912 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
913 			continue;
914 
915 		if ((gw_dir = gw_init_gw_dir(sd_dent[d_i]->d_name)) == NULL)
916 			return got_error_from_errno("gw_dir malloc");
917 
918 		error = gw_load_got_path(gw_trans, gw_dir);
919 		if (error && error->code == GOT_ERR_NOT_GIT_REPO)
920 			continue;
921 		else if (error)
922 			return error;
923 
924 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
925 		    !got_path_dir_is_empty(gw_dir->path)) {
926 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
927 			    entry);
928 			gw_trans->repos_total++;
929 		}
930 	}
931 
932 	closedir(d);
933 	return error;
934 }
935 
936 static const struct got_error *
937 gw_parse_querystring(struct gw_trans *gw_trans)
938 {
939 	const struct got_error *error = NULL;
940 	struct kpair *p;
941 	struct gw_query_action *action = NULL;
942 	unsigned int i;
943 
944 	if (gw_trans->gw_req->fieldnmap[0]) {
945 		error = got_error_from_errno("bad parse");
946 		return error;
947 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
948 		/* define gw_trans->repo_path */
949 		if ((asprintf(&gw_trans->repo_name, "%s", p->parsed.s)) == -1)
950 			return got_error_from_errno("asprintf");
951 
952 		if ((asprintf(&gw_trans->repo_path, "%s/%s",
953 		    gw_trans->gw_conf->got_repos_path, p->parsed.s)) == -1)
954 			return got_error_from_errno("asprintf");
955 
956 		/* get action and set function */
957 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION]))
958 			for (i = 0; i < nitems(gw_query_funcs); i++) {
959 				action = &gw_query_funcs[i];
960 				if (action->func_name == NULL)
961 					continue;
962 
963 				if (strcmp(action->func_name,
964 				    p->parsed.s) == 0) {
965 					gw_trans->action = i;
966 					if ((asprintf(&gw_trans->action_name,
967 					    "%s", action->func_name)) == -1)
968 						return
969 						    got_error_from_errno(
970 						    "asprintf");
971 
972 					break;
973 				}
974 
975 				action = NULL;
976 			}
977 
978  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID]))
979 			if ((asprintf(&gw_trans->commit, "%s",
980 			    p->parsed.s)) == -1)
981 				return got_error_from_errno("asprintf");
982 
983 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
984 			if ((asprintf(&gw_trans->repo_file, "%s",
985 			    p->parsed.s)) == -1)
986 				return got_error_from_errno("asprintf");
987 
988 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER]))
989 			if ((asprintf(&gw_trans->repo_folder, "%s",
990 			    p->parsed.s)) == -1)
991 				return got_error_from_errno("asprintf");
992 
993 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
994 			if ((asprintf(&gw_trans->headref, "%s",
995 			    p->parsed.s)) == -1)
996 				return got_error_from_errno("asprintf");
997 
998 		if (action == NULL) {
999 			error = got_error_from_errno("invalid action");
1000 			return error;
1001 		}
1002 		if ((gw_trans->gw_dir =
1003 		    gw_init_gw_dir(gw_trans->repo_name)) == NULL)
1004 			return got_error_from_errno("gw_dir malloc");
1005 
1006 		error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
1007 		if (error)
1008 			return error;
1009 	} else
1010 		gw_trans->action = GW_INDEX;
1011 
1012 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
1013 		gw_trans->page = p->parsed.i;
1014 
1015 	/* if (gw_trans->action == GW_RAW) */
1016 	/* 	gw_trans->mime = KMIME_TEXT_PLAIN; */
1017 
1018 	return error;
1019 }
1020 
1021 static struct gw_dir *
1022 gw_init_gw_dir(char *dir)
1023 {
1024 	struct gw_dir *gw_dir;
1025 
1026 	if ((gw_dir = malloc(sizeof(*gw_dir))) == NULL)
1027 		return NULL;
1028 
1029 	if ((asprintf(&gw_dir->name, "%s", dir)) == -1)
1030 		return NULL;
1031 
1032 	return gw_dir;
1033 }
1034 
1035 static const struct got_error *
1036 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
1037 {
1038 	enum kcgi_err kerr;
1039 
1040 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
1041 	if (kerr != KCGI_OK)
1042 		return gw_kcgi_error(kerr);
1043 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
1044 	    khttps[code]);
1045 	if (kerr != KCGI_OK)
1046 		return gw_kcgi_error(kerr);
1047 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
1048 	    kmimetypes[mime]);
1049 	if (kerr != KCGI_OK)
1050 		return gw_kcgi_error(kerr);
1051 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options", "nosniff");
1052 	if (kerr != KCGI_OK)
1053 		return gw_kcgi_error(kerr);
1054 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
1055 	if (kerr != KCGI_OK)
1056 		return gw_kcgi_error(kerr);
1057 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection", "1; mode=block");
1058 	if (kerr != KCGI_OK)
1059 		return gw_kcgi_error(kerr);
1060 
1061 	kerr = khttp_body(gw_trans->gw_req);
1062 	return gw_kcgi_error(kerr);
1063 }
1064 
1065 static const struct got_error *
1066 gw_display_index(struct gw_trans *gw_trans, const struct got_error *err)
1067 {
1068 	enum kcgi_err kerr;
1069 
1070 	gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
1071 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
1072 
1073 	if (err)
1074 		kerr = khttp_puts(gw_trans->gw_req, err->msg);
1075 	else
1076 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
1077 		    gw_query_funcs[gw_trans->action].template);
1078 	if (kerr != KCGI_OK)
1079 		return gw_kcgi_error(kerr);
1080 
1081 	kerr = khtml_close(gw_trans->gw_html_req);
1082 	return gw_kcgi_error(kerr);
1083 }
1084 
1085 static int
1086 gw_template(size_t key, void *arg)
1087 {
1088 	const struct got_error *error = NULL;
1089 	struct gw_trans *gw_trans = arg;
1090 	char *gw_got_link, *gw_site_link;
1091 	char *site_owner_name, *site_owner_name_h;
1092 
1093 	switch (key) {
1094 	case (TEMPL_HEAD):
1095 		khttp_puts(gw_trans->gw_req, head);
1096 		break;
1097 	case(TEMPL_HEADER):
1098 		gw_got_link = gw_get_got_link(gw_trans);
1099 		if (gw_got_link != NULL)
1100 			khttp_puts(gw_trans->gw_req, gw_got_link);
1101 
1102 		free(gw_got_link);
1103 		break;
1104 	case (TEMPL_SITEPATH):
1105 		gw_site_link = gw_get_site_link(gw_trans);
1106 		if (gw_site_link != NULL)
1107 			khttp_puts(gw_trans->gw_req, gw_site_link);
1108 
1109 		free(gw_site_link);
1110 		break;
1111 	case(TEMPL_TITLE):
1112 		if (gw_trans->gw_conf->got_site_name != NULL)
1113 			khtml_puts(gw_trans->gw_html_req,
1114 			    gw_trans->gw_conf->got_site_name);
1115 
1116 		break;
1117 	case (TEMPL_SEARCH):
1118 		khttp_puts(gw_trans->gw_req, search);
1119 		break;
1120 	case(TEMPL_SITEOWNER):
1121 		if (gw_trans->gw_conf->got_site_owner != NULL &&
1122 		    gw_trans->gw_conf->got_show_site_owner) {
1123 			site_owner_name =
1124 			    gw_html_escape(gw_trans->gw_conf->got_site_owner);
1125 			if ((asprintf(&site_owner_name_h, site_owner,
1126 			    site_owner_name))
1127 			    == -1)
1128 				return 0;
1129 
1130 			khttp_puts(gw_trans->gw_req, site_owner_name_h);
1131 			free(site_owner_name);
1132 			free(site_owner_name_h);
1133 		}
1134 		break;
1135 	case(TEMPL_CONTENT):
1136 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
1137 		if (error)
1138 			khttp_puts(gw_trans->gw_req, error->msg);
1139 		break;
1140 	default:
1141 		return 0;
1142 	}
1143 	return 1;
1144 }
1145 
1146 static char *
1147 gw_gen_commit_header(char *str1, char *str2)
1148 {
1149 	char *return_html = NULL, *ref_str = NULL;
1150 
1151 	if (strcmp(str2, "") != 0) {
1152 		if ((asprintf(&ref_str, "(%s)", str2)) == -1) {
1153 			return_html = strdup("");
1154 			return return_html;
1155 		}
1156 	} else
1157 		ref_str = strdup("");
1158 
1159 
1160 	if ((asprintf(&return_html, header_commit_html, str1, ref_str)) == -1)
1161 		return_html = strdup("");
1162 
1163 	free(ref_str);
1164 	return return_html;
1165 }
1166 
1167 static char *
1168 gw_gen_diff_header(char *str1, char *str2)
1169 {
1170 	char *return_html = NULL;
1171 
1172 	if ((asprintf(&return_html, header_diff_html, str1, str2)) == -1)
1173 		return_html = strdup("");
1174 
1175 	return return_html;
1176 }
1177 
1178 static char *
1179 gw_gen_author_header(char *str)
1180 {
1181 	char *return_html = NULL;
1182 
1183 	if ((asprintf(&return_html, header_author_html, str)) == -1)
1184 		return_html = strdup("");
1185 
1186 	return return_html;
1187 }
1188 
1189 static char *
1190 gw_gen_committer_header(char *str)
1191 {
1192 	char *return_html = NULL;
1193 
1194 	if ((asprintf(&return_html, header_committer_html, str)) == -1)
1195 		return_html = strdup("");
1196 
1197 	return return_html;
1198 }
1199 
1200 static char *
1201 gw_gen_age_header(char *str)
1202 {
1203 	char *return_html = NULL;
1204 
1205 	if ((asprintf(&return_html, header_age_html, str)) == -1)
1206 		return_html = strdup("");
1207 
1208 	return return_html;
1209 }
1210 
1211 static char *
1212 gw_gen_commit_msg_header(char *str)
1213 {
1214 	char *return_html = NULL;
1215 
1216 	if ((asprintf(&return_html, header_commit_msg_html, str)) == -1)
1217 		return_html = strdup("");
1218 
1219 	return return_html;
1220 }
1221 
1222 static char *
1223 gw_gen_tree_header(char *str)
1224 {
1225 	char *return_html = NULL;
1226 
1227 	if ((asprintf(&return_html, header_tree_html, str)) == -1)
1228 		return_html = strdup("");
1229 
1230 	return return_html;
1231 }
1232 
1233 static char *
1234 gw_get_repo_description(struct gw_trans *gw_trans, char *dir)
1235 {
1236 	FILE *f;
1237 	char *description = NULL, *d_file = NULL;
1238 	unsigned int len;
1239 
1240 	if (gw_trans->gw_conf->got_show_repo_description == false)
1241 		goto err;
1242 
1243 	if ((asprintf(&d_file, "%s/description", dir)) == -1)
1244 		goto err;
1245 
1246 	if ((f = fopen(d_file, "r")) == NULL)
1247 		goto err;
1248 
1249 	fseek(f, 0, SEEK_END);
1250 	len = ftell(f) + 1;
1251 	fseek(f, 0, SEEK_SET);
1252 	if ((description = calloc(len, sizeof(char *))) == NULL)
1253 		goto err;
1254 
1255 	fread(description, 1, len, f);
1256 	fclose(f);
1257 	free(d_file);
1258 	return description;
1259 err:
1260 	if ((asprintf(&description, "%s", "")) == -1)
1261 		return NULL;
1262 
1263 	return description;
1264 }
1265 
1266 static char *
1267 gw_get_time_str(time_t committer_time, int ref_tm)
1268 {
1269 	struct tm tm;
1270 	time_t diff_time;
1271 	char *years = "years ago", *months = "months ago";
1272 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
1273 	char *minutes = "minutes ago", *seconds = "seconds ago";
1274 	char *now = "right now";
1275 	char *repo_age, *s;
1276 	char datebuf[29];
1277 
1278 	switch (ref_tm) {
1279 	case TM_DIFF:
1280 		diff_time = time(NULL) - committer_time;
1281 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
1282 			if ((asprintf(&repo_age, "%lld %s",
1283 			    (diff_time / 60 / 60 / 24 / 365), years)) == -1)
1284 				return NULL;
1285 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
1286 			if ((asprintf(&repo_age, "%lld %s",
1287 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
1288 			    months)) == -1)
1289 				return NULL;
1290 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
1291 			if ((asprintf(&repo_age, "%lld %s",
1292 			    (diff_time / 60 / 60 / 24 / 7), weeks)) == -1)
1293 				return NULL;
1294 		} else if (diff_time > 60 * 60 * 24 * 2) {
1295 			if ((asprintf(&repo_age, "%lld %s",
1296 			    (diff_time / 60 / 60 / 24), days)) == -1)
1297 				return NULL;
1298 		} else if (diff_time > 60 * 60 * 2) {
1299 			if ((asprintf(&repo_age, "%lld %s",
1300 			    (diff_time / 60 / 60), hours)) == -1)
1301 				return NULL;
1302 		} else if (diff_time > 60 * 2) {
1303 			if ((asprintf(&repo_age, "%lld %s", (diff_time / 60),
1304 			    minutes)) == -1)
1305 				return NULL;
1306 		} else if (diff_time > 2) {
1307 			if ((asprintf(&repo_age, "%lld %s", diff_time,
1308 			    seconds)) == -1)
1309 				return NULL;
1310 		} else {
1311 			if ((asprintf(&repo_age, "%s", now)) == -1)
1312 				return NULL;
1313 		}
1314 		break;
1315 	case TM_LONG:
1316 		if (gmtime_r(&committer_time, &tm) == NULL)
1317 			return NULL;
1318 
1319 		s = asctime_r(&tm, datebuf);
1320 		if (s == NULL)
1321 			return NULL;
1322 
1323 		if ((asprintf(&repo_age, "%s UTC", datebuf)) == -1)
1324 			return NULL;
1325 		break;
1326 	}
1327 	return repo_age;
1328 }
1329 
1330 static char *
1331 gw_get_repo_age(struct gw_trans *gw_trans, char *dir, char *repo_ref,
1332     int ref_tm)
1333 {
1334 	const struct got_error *error = NULL;
1335 	struct got_object_id *id = NULL;
1336 	struct got_repository *repo = NULL;
1337 	struct got_commit_object *commit = NULL;
1338 	struct got_reflist_head refs;
1339 	struct got_reflist_entry *re;
1340 	struct got_reference *head_ref;
1341 	int is_head = 0;
1342 	time_t committer_time = 0, cmp_time = 0;
1343 	const char *refname;
1344 	char *repo_age = NULL;
1345 
1346 	if (repo_ref == NULL)
1347 		return NULL;
1348 
1349 	if (strncmp(repo_ref, "refs/heads/", 11) == 0)
1350 		is_head = 1;
1351 
1352 	SIMPLEQ_INIT(&refs);
1353 	if (gw_trans->gw_conf->got_show_repo_age == false) {
1354 		if ((asprintf(&repo_age, "")) == -1)
1355 			return NULL;
1356 		return repo_age;
1357 	}
1358 
1359 	error = got_repo_open(&repo, dir, NULL);
1360 	if (error)
1361 		goto err;
1362 
1363 	if (is_head)
1364 		error = got_ref_list(&refs, repo, "refs/heads",
1365 		    got_ref_cmp_by_name, NULL);
1366 	else
1367 		error = got_ref_list(&refs, repo, repo_ref,
1368 		    got_ref_cmp_by_name, NULL);
1369 	if (error)
1370 		goto err;
1371 
1372 	SIMPLEQ_FOREACH(re, &refs, entry) {
1373 		if (is_head)
1374 			refname = strdup(repo_ref);
1375 		else
1376 			refname = got_ref_get_name(re->ref);
1377 		error = got_ref_open(&head_ref, repo, refname, 0);
1378 		if (error)
1379 			goto err;
1380 
1381 		error = got_ref_resolve(&id, repo, head_ref);
1382 		got_ref_close(head_ref);
1383 		if (error)
1384 			goto err;
1385 
1386 		error = got_object_open_as_commit(&commit, repo, id);
1387 		if (error)
1388 			goto err;
1389 
1390 		committer_time =
1391 		    got_object_commit_get_committer_time(commit);
1392 
1393 		if (cmp_time < committer_time)
1394 			cmp_time = committer_time;
1395 	}
1396 
1397 	if (cmp_time != 0) {
1398 		committer_time = cmp_time;
1399 		repo_age = gw_get_time_str(committer_time, ref_tm);
1400 	} else
1401 		if ((asprintf(&repo_age, "")) == -1)
1402 			return NULL;
1403 	got_ref_list_free(&refs);
1404 	free(id);
1405 	return repo_age;
1406 err:
1407 	if ((asprintf(&repo_age, "%s", error->msg)) == -1)
1408 		return NULL;
1409 
1410 	return repo_age;
1411 }
1412 
1413 static char *
1414 gw_get_diff(struct gw_trans *gw_trans, struct gw_header *header)
1415 {
1416 	const struct got_error *error;
1417 	FILE *f = NULL;
1418 	struct got_object_id *id1 = NULL, *id2 = NULL;
1419 	struct buf *diffbuf = NULL;
1420 	char *label1 = NULL, *label2 = NULL, *diff_html = NULL, *buf = NULL,
1421 	     *buf_color = NULL, *n_buf = NULL, *newline = NULL;
1422 	int obj_type;
1423 	size_t newsize;
1424 
1425 	f = got_opentemp();
1426 	if (f == NULL)
1427 		return NULL;
1428 
1429 	error = buf_alloc(&diffbuf, 0);
1430 	if (error)
1431 		return NULL;
1432 
1433 	error = got_repo_open(&header->repo, gw_trans->repo_path, NULL);
1434 	if (error)
1435 		goto done;
1436 
1437 	if (strncmp(header->parent_id, "/dev/null", 9) != 0) {
1438 		error = got_repo_match_object_id(&id1, &label1,
1439 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, header->repo);
1440 		if (error)
1441 			goto done;
1442 	}
1443 
1444 	error = got_repo_match_object_id(&id2, &label2,
1445 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, header->repo);
1446 	if (error)
1447 		goto done;
1448 
1449 	error = got_object_get_type(&obj_type, header->repo, id2);
1450 	if (error)
1451 		goto done;
1452 	switch (obj_type) {
1453 	case GOT_OBJ_TYPE_BLOB:
1454 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
1455 		    header->repo, f);
1456 		break;
1457 	case GOT_OBJ_TYPE_TREE:
1458 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
1459 		    header->repo, f);
1460 		break;
1461 	case GOT_OBJ_TYPE_COMMIT:
1462 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
1463 		    header->repo, f);
1464 		break;
1465 	default:
1466 		error = got_error(GOT_ERR_OBJ_TYPE);
1467 	}
1468 
1469 	if ((buf = calloc(128, sizeof(char *))) == NULL)
1470 		goto done;
1471 
1472 	fseek(f, 0, SEEK_SET);
1473 
1474 	while ((fgets(buf, 2048, f)) != NULL) {
1475 		n_buf = buf;
1476 		while (*n_buf == '\n')
1477 			n_buf++;
1478 		newline = strchr(n_buf, '\n');
1479 		if (newline)
1480 			*newline = ' ';
1481 
1482 		buf_color = gw_colordiff_line(gw_html_escape(n_buf));
1483 		if (buf_color == NULL)
1484 			continue;
1485 
1486 		error = buf_puts(&newsize, diffbuf, buf_color);
1487 		if (error)
1488 			return NULL;
1489 
1490 		error = buf_puts(&newsize, diffbuf, div_end);
1491 		if (error)
1492 			return NULL;
1493 	}
1494 
1495 	if (buf_len(diffbuf) > 0) {
1496 		error = buf_putc(diffbuf, '\0');
1497 		diff_html = strdup(buf_get(diffbuf));
1498 	}
1499 done:
1500 	fclose(f);
1501 	free(buf_color);
1502 	free(buf);
1503 	free(diffbuf);
1504 	free(label1);
1505 	free(label2);
1506 	free(id1);
1507 	free(id2);
1508 
1509 	if (error)
1510 		return NULL;
1511 	else
1512 		return diff_html;
1513 }
1514 
1515 static char *
1516 gw_get_repo_owner(struct gw_trans *gw_trans, char *dir)
1517 {
1518 	FILE *f;
1519 	char *owner = NULL, *d_file = NULL;
1520 	char *gotweb = "[gotweb]", *gitweb = "[gitweb]", *gw_owner = "owner";
1521 	char *comp, *pos, *buf;
1522 	unsigned int i;
1523 
1524 	if (gw_trans->gw_conf->got_show_repo_owner == false)
1525 		goto err;
1526 
1527 	if ((asprintf(&d_file, "%s/config", dir)) == -1)
1528 		goto err;
1529 
1530 	if ((f = fopen(d_file, "r")) == NULL)
1531 		goto err;
1532 
1533 	if ((buf = calloc(128, sizeof(char *))) == NULL)
1534 		goto err;
1535 
1536 	while ((fgets(buf, 128, f)) != NULL) {
1537 		if ((pos = strstr(buf, gotweb)) != NULL)
1538 			break;
1539 
1540 		if ((pos = strstr(buf, gitweb)) != NULL)
1541 			break;
1542 	}
1543 
1544 	if (pos == NULL)
1545 		goto err;
1546 
1547 	do {
1548 		fgets(buf, 128, f);
1549 	} while ((comp = strcasestr(buf, gw_owner)) == NULL);
1550 
1551 	if (comp == NULL)
1552 		goto err;
1553 
1554 	if (strncmp(gw_owner, comp, strlen(gw_owner)) != 0)
1555 		goto err;
1556 
1557 	for (i = 0; i < 2; i++) {
1558 		owner = strsep(&buf, "\"");
1559 	}
1560 
1561 	if (owner == NULL)
1562 		goto err;
1563 
1564 	fclose(f);
1565 	free(d_file);
1566 	return owner;
1567 err:
1568 	if ((asprintf(&owner, "%s", "")) == -1)
1569 		return NULL;
1570 
1571 	return owner;
1572 }
1573 
1574 static char *
1575 gw_get_clone_url(struct gw_trans *gw_trans, char *dir)
1576 {
1577 	FILE *f;
1578 	char *url = NULL, *d_file = NULL;
1579 	unsigned int len;
1580 
1581 	if ((asprintf(&d_file, "%s/cloneurl", dir)) == -1)
1582 		return NULL;
1583 
1584 	if ((f = fopen(d_file, "r")) == NULL)
1585 		return NULL;
1586 
1587 	fseek(f, 0, SEEK_END);
1588 	len = ftell(f) + 1;
1589 	fseek(f, 0, SEEK_SET);
1590 
1591 	if ((url = calloc(len, sizeof(char *))) == NULL)
1592 		return NULL;
1593 
1594 	fread(url, 1, len, f);
1595 	fclose(f);
1596 	free(d_file);
1597 	return url;
1598 }
1599 
1600 static char *
1601 gw_get_repo_tags(struct gw_trans *gw_trans, int limit, int tag_type)
1602 {
1603 	const struct got_error *error = NULL;
1604 	struct got_repository *repo = NULL;
1605 	struct got_reflist_head refs;
1606 	struct got_reflist_entry *re;
1607 	char *tags = NULL, *tag_row = NULL, *tags_navs_disp = NULL,
1608 	     *age = NULL;
1609 	char *newline;
1610 	struct buf *diffbuf = NULL;
1611 	size_t newsize;
1612 
1613 	error = buf_alloc(&diffbuf, 0);
1614 	if (error)
1615 		return NULL;
1616 	SIMPLEQ_INIT(&refs);
1617 
1618 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
1619 	if (error)
1620 		goto done;
1621 
1622 	error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags, repo);
1623 	if (error)
1624 		goto done;
1625 
1626 	SIMPLEQ_FOREACH(re, &refs, entry) {
1627 		const char *refname;
1628 		char *refstr, *tag_commit0, *tag_commit, *id_str;
1629 		time_t tagger_time;
1630 		struct got_object_id *id;
1631 		struct got_tag_object *tag;
1632 
1633 		refname = got_ref_get_name(re->ref);
1634 		if (strncmp(refname, "refs/tags/", 10) != 0)
1635 			continue;
1636 		refname += 10;
1637 		refstr = got_ref_to_str(re->ref);
1638 		if (refstr == NULL) {
1639 			error = got_error_from_errno("got_ref_to_str");
1640 			goto done;
1641 		}
1642 
1643 		error = got_ref_resolve(&id, repo, re->ref);
1644 		if (error)
1645 			goto done;
1646 		error = got_object_open_as_tag(&tag, repo, id);
1647 		free(id);
1648 		if (error)
1649 			goto done;
1650 
1651 		tagger_time = got_object_tag_get_tagger_time(tag);
1652 
1653 		error = got_object_id_str(&id_str,
1654 		    got_object_tag_get_object_id(tag));
1655 		if (error)
1656 			goto done;
1657 
1658 		tag_commit0 = strdup(got_object_tag_get_message(tag));
1659 
1660 		if (tag_commit0 == NULL) {
1661 			error = got_error_from_errno("strdup");
1662 			goto done;
1663 		}
1664 
1665 		tag_commit = tag_commit0;
1666 		while (*tag_commit == '\n')
1667 			tag_commit++;
1668 
1669 		switch (tag_type) {
1670 		case TAGBRIEF:
1671 			newline = strchr(tag_commit, '\n');
1672 			if (newline)
1673 				*newline = '\0';
1674 
1675 			if ((asprintf(&age, "%s", gw_get_time_str(tagger_time,
1676 			    TM_DIFF))) == -1) {
1677 				error = got_error_from_errno("asprintf");
1678 				goto done;
1679 			}
1680 
1681 			if ((asprintf(&tags_navs_disp, tags_navs,
1682 			    gw_trans->repo_name, id_str, gw_trans->repo_name,
1683 			    id_str, gw_trans->repo_name, id_str,
1684 			    gw_trans->repo_name, id_str)) == -1) {
1685 				error = got_error_from_errno("asprintf");
1686 				goto done;
1687 			}
1688 
1689 			if ((asprintf(&tag_row, tags_row, age, refname,
1690 			    tag_commit, tags_navs_disp)) == -1) {
1691 				error = got_error_from_errno("asprintf");
1692 				goto done;
1693 			}
1694 
1695 			free(tags_navs_disp);
1696 			break;
1697 		case TAGFULL:
1698 			break;
1699 		default:
1700 			break;
1701 		}
1702 
1703 		got_object_tag_close(tag);
1704 
1705 		error = buf_puts(&newsize, diffbuf, tag_row);
1706 
1707 		free(id_str);
1708 		free(refstr);
1709 		free(age);
1710 		free(tag_commit0);
1711 		free(tag_row);
1712 
1713 		if (error || (limit && --limit == 0))
1714 			break;
1715 	}
1716 
1717 	if (buf_len(diffbuf) > 0) {
1718 		error = buf_putc(diffbuf, '\0');
1719 		tags = strdup(buf_get(diffbuf));
1720 	}
1721 done:
1722 	buf_free(diffbuf);
1723 	got_ref_list_free(&refs);
1724 	if (repo)
1725 		got_repo_close(repo);
1726 	if (error)
1727 		return NULL;
1728 	else
1729 		return tags;
1730 }
1731 
1732 static void
1733 gw_free_headers(struct gw_header *header)
1734 {
1735 	free(header->id);
1736 	free(header->path);
1737 	if (header->commit != NULL)
1738 		got_object_commit_close(header->commit);
1739 	if (header->repo)
1740 		got_repo_close(header->repo);
1741 	free(header->refs_str);
1742 	free(header->commit_id);
1743 	free(header->parent_id);
1744 	free(header->tree_id);
1745 	free(header->author);
1746 	free(header->committer);
1747 	free(header->commit_msg);
1748 }
1749 
1750 static struct gw_header *
1751 gw_init_header()
1752 {
1753 	struct gw_header *header;
1754 
1755 	header = malloc(sizeof(*header));
1756 	if (header == NULL)
1757 		return NULL;
1758 
1759 	header->repo = NULL;
1760 	header->commit = NULL;
1761 	header->id = NULL;
1762 	header->path = NULL;
1763 	SIMPLEQ_INIT(&header->refs);
1764 
1765 	return header;
1766 }
1767 
1768 static const struct got_error *
1769 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
1770     int limit)
1771 {
1772 	const struct got_error *error = NULL;
1773 	struct got_commit_graph *graph = NULL;
1774 
1775 	error = got_commit_graph_open(&graph, header->path, 0);
1776 	if (error)
1777 		goto done;
1778 
1779 	error = got_commit_graph_iter_start(graph, header->id, header->repo,
1780 	    NULL, NULL);
1781 	if (error)
1782 		goto done;
1783 
1784 	for (;;) {
1785 		error = got_commit_graph_iter_next(&header->id, graph,
1786 		    header->repo, NULL, NULL);
1787 		if (error) {
1788 			if (error->code == GOT_ERR_ITER_COMPLETED)
1789 				error = NULL;
1790 			goto done;
1791 		}
1792 		if (header->id == NULL)
1793 			goto done;
1794 
1795 		error = got_object_open_as_commit(&header->commit, header->repo,
1796 		    header->id);
1797 		if (error)
1798 			goto done;
1799 
1800 		error = gw_get_commit(gw_trans, header);
1801 		if (limit > 1) {
1802 			struct gw_header *n_header = NULL;
1803 			if ((n_header = gw_init_header()) == NULL)
1804 				error = got_error_from_errno("malloc");
1805 
1806 			n_header->refs_str = strdup(header->refs_str);
1807 			n_header->commit_id = strdup(header->commit_id);
1808 			n_header->parent_id = strdup(header->parent_id);
1809 			n_header->tree_id = strdup(header->tree_id);
1810 			n_header->author = strdup(header->author);
1811 			n_header->committer = strdup(header->committer);
1812 			n_header->commit_msg = strdup(header->commit_msg);
1813 			n_header->committer_time = header->committer_time;
1814 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
1815 			    entry);
1816 		}
1817 		if (error || (limit && --limit == 0))
1818 			break;
1819 	}
1820 done:
1821 	if (graph)
1822 		got_commit_graph_close(graph);
1823 	return error;
1824 }
1825 
1826 static const struct got_error *
1827 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header)
1828 {
1829 	const struct got_error *error = NULL;
1830 	struct got_reflist_entry *re;
1831 	struct got_object_id *id2 = NULL;
1832 	struct got_object_qid *parent_id;
1833 	char *refs_str = NULL,
1834 	     *commit_msg = NULL, *commit_msg0;
1835 
1836 	/*print commit*/
1837 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
1838 		char *s;
1839 		const char *name;
1840 		struct got_tag_object *tag = NULL;
1841 		int cmp;
1842 
1843 		name = got_ref_get_name(re->ref);
1844 		if (strcmp(name, GOT_REF_HEAD) == 0)
1845 			continue;
1846 		if (strncmp(name, "refs/", 5) == 0)
1847 			name += 5;
1848 		if (strncmp(name, "got/", 4) == 0)
1849 			continue;
1850 		if (strncmp(name, "heads/", 6) == 0)
1851 			name += 6;
1852 		if (strncmp(name, "remotes/", 8) == 0)
1853 			name += 8;
1854 		if (strncmp(name, "tags/", 5) == 0) {
1855 			error = got_object_open_as_tag(&tag, header->repo,
1856 			    re->id);
1857 			if (error) {
1858 				if (error->code != GOT_ERR_OBJ_TYPE)
1859 					continue;
1860 				/*
1861 				 * Ref points at something other
1862 				 * than a tag.
1863 				 */
1864 				error = NULL;
1865 				tag = NULL;
1866 			}
1867 		}
1868 		cmp = got_object_id_cmp(tag ?
1869 		    got_object_tag_get_object_id(tag) : re->id, header->id);
1870 		if (tag)
1871 			got_object_tag_close(tag);
1872 		if (cmp != 0)
1873 			continue;
1874 		s = refs_str;
1875 		if ((asprintf(&refs_str, "%s%s%s", s ? s : "",
1876 		    s ? ", " : "", name)) == -1) {
1877 			error = got_error_from_errno("asprintf");
1878 			free(s);
1879 			return error;
1880 		}
1881 		header->refs_str = strdup(refs_str);
1882 		free(s);
1883 	}
1884 
1885 	if (refs_str == NULL)
1886 		header->refs_str = strdup("");
1887 	free(refs_str);
1888 
1889 	error = got_object_id_str(&header->commit_id, header->id);
1890 	if (error)
1891 		return error;
1892 
1893 	error = got_object_id_str(&header->tree_id,
1894 	    got_object_commit_get_tree_id(header->commit));
1895 	if (error)
1896 		return error;
1897 
1898 	if (gw_trans->action == GW_DIFF) {
1899 		parent_id = SIMPLEQ_FIRST(
1900 		    got_object_commit_get_parent_ids(header->commit));
1901 		if (parent_id != NULL) {
1902 			id2 = got_object_id_dup(parent_id->id);
1903 			free (parent_id);
1904 			error = got_object_id_str(&header->parent_id, id2);
1905 			if (error)
1906 				return error;
1907 			free(id2);
1908 		} else
1909 			header->parent_id = strdup("/dev/null");
1910 	} else
1911 		header->parent_id = strdup("");
1912 
1913 	header->committer_time =
1914 	    got_object_commit_get_committer_time(header->commit);
1915 	header->author = strdup(got_object_commit_get_author(header->commit));
1916 	header->committer =
1917 	    strdup(got_object_commit_get_committer(header->commit));
1918 
1919 	error = got_object_commit_get_logmsg(&commit_msg0, header->commit);
1920 	if (error)
1921 		return error;
1922 
1923 	commit_msg = commit_msg0;
1924 	while (*commit_msg == '\n')
1925 		commit_msg++;
1926 
1927 	header->commit_msg = strdup(commit_msg);
1928 	free(commit_msg0);
1929 	return error;
1930 }
1931 
1932 static const struct got_error *
1933 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
1934 {
1935 	const struct got_error *error = NULL;
1936 	char *in_repo_path = NULL;
1937 
1938 	error = got_repo_open(&header->repo, gw_trans->repo_path, NULL);
1939 	if (error)
1940 		return error;
1941 
1942 	if (gw_trans->commit == NULL) {
1943 		struct got_reference *head_ref;
1944 		error = got_ref_open(&head_ref, header->repo,
1945 		    gw_trans->headref, 0);
1946 		if (error)
1947 			return error;
1948 
1949 		error = got_ref_resolve(&header->id, header->repo, head_ref);
1950 		got_ref_close(head_ref);
1951 		if (error)
1952 			return error;
1953 
1954 		error = got_object_open_as_commit(&header->commit,
1955 		    header->repo, header->id);
1956 	} else {
1957 		struct got_reference *ref;
1958 		error = got_ref_open(&ref, header->repo, gw_trans->commit, 0);
1959 		if (error == NULL) {
1960 			int obj_type;
1961 			error = got_ref_resolve(&header->id, header->repo, ref);
1962 			got_ref_close(ref);
1963 			if (error)
1964 				return error;
1965 			error = got_object_get_type(&obj_type, header->repo,
1966 			    header->id);
1967 			if (error)
1968 				return error;
1969 			if (obj_type == GOT_OBJ_TYPE_TAG) {
1970 				struct got_tag_object *tag;
1971 				error = got_object_open_as_tag(&tag,
1972 				    header->repo, header->id);
1973 				if (error)
1974 					return error;
1975 				if (got_object_tag_get_object_type(tag) !=
1976 				    GOT_OBJ_TYPE_COMMIT) {
1977 					got_object_tag_close(tag);
1978 					error = got_error(GOT_ERR_OBJ_TYPE);
1979 					return error;
1980 				}
1981 				free(header->id);
1982 				header->id = got_object_id_dup(
1983 				    got_object_tag_get_object_id(tag));
1984 				if (header->id == NULL)
1985 					error = got_error_from_errno(
1986 					    "got_object_id_dup");
1987 				got_object_tag_close(tag);
1988 				if (error)
1989 					return error;
1990 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
1991 				error = got_error(GOT_ERR_OBJ_TYPE);
1992 				return error;
1993 			}
1994 			error = got_object_open_as_commit(&header->commit,
1995 			    header->repo, header->id);
1996 			if (error)
1997 				return error;
1998 		}
1999 		if (header->commit == NULL) {
2000 			error = got_repo_match_object_id_prefix(&header->id,
2001 			    gw_trans->commit, GOT_OBJ_TYPE_COMMIT,
2002 			    header->repo);
2003 			if (error)
2004 				return error;
2005 		}
2006 		error = got_repo_match_object_id_prefix(&header->id,
2007 			    gw_trans->commit, GOT_OBJ_TYPE_COMMIT,
2008 			    header->repo);
2009 	}
2010 
2011 	error = got_repo_map_path(&in_repo_path, header->repo,
2012 	    gw_trans->repo_path, 1);
2013 	if (error)
2014 		return error;
2015 
2016 	if (in_repo_path) {
2017 		header->path = strdup(in_repo_path);
2018 	}
2019 	free(in_repo_path);
2020 
2021 	error = got_ref_list(&header->refs, header->repo, NULL,
2022 	    got_ref_cmp_by_name, NULL);
2023 	if (error)
2024 		return error;
2025 
2026 	error = gw_get_commits(gw_trans, header, limit);
2027 	return error;
2028 }
2029 
2030 struct blame_line {
2031 	int annotated;
2032 	char *id_str;
2033 	char *committer;
2034 	char datebuf[11]; /* YYYY-MM-DD + NUL */
2035 };
2036 
2037 struct gw_blame_cb_args {
2038 	struct blame_line *lines;
2039 	int nlines;
2040 	int nlines_prec;
2041 	int lineno_cur;
2042 	off_t *line_offsets;
2043 	FILE *f;
2044 	struct got_repository *repo;
2045 	struct gw_trans *gw_trans;
2046 	struct buf *blamebuf;
2047 };
2048 
2049 static const struct got_error *
2050 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
2051 {
2052 	const struct got_error *err = NULL;
2053 	struct gw_blame_cb_args *a = arg;
2054 	struct blame_line *bline;
2055 	char *line = NULL;
2056 	size_t linesize = 0, newsize;
2057 	struct got_commit_object *commit = NULL;
2058 	off_t offset;
2059 	struct tm tm;
2060 	time_t committer_time;
2061 
2062 	if (nlines != a->nlines ||
2063 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
2064 		return got_error(GOT_ERR_RANGE);
2065 
2066 	if (lineno == -1)
2067 		return NULL; /* no change in this commit */
2068 
2069 	/* Annotate this line. */
2070 	bline = &a->lines[lineno - 1];
2071 	if (bline->annotated)
2072 		return NULL;
2073 	err = got_object_id_str(&bline->id_str, id);
2074 	if (err)
2075 		return err;
2076 
2077 	err = got_object_open_as_commit(&commit, a->repo, id);
2078 	if (err)
2079 		goto done;
2080 
2081 	bline->committer = strdup(got_object_commit_get_committer(commit));
2082 	if (bline->committer == NULL) {
2083 		err = got_error_from_errno("strdup");
2084 		goto done;
2085 	}
2086 
2087 	committer_time = got_object_commit_get_committer_time(commit);
2088 	if (localtime_r(&committer_time, &tm) == NULL)
2089 		return got_error_from_errno("localtime_r");
2090 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
2091 	    &tm) >= sizeof(bline->datebuf)) {
2092 		err = got_error(GOT_ERR_NO_SPACE);
2093 		goto done;
2094 	}
2095 	bline->annotated = 1;
2096 
2097 	/* Print lines annotated so far. */
2098 	bline = &a->lines[a->lineno_cur - 1];
2099 	if (!bline->annotated)
2100 		goto done;
2101 
2102 	offset = a->line_offsets[a->lineno_cur - 1];
2103 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
2104 		err = got_error_from_errno("fseeko");
2105 		goto done;
2106 	}
2107 
2108 	while (bline->annotated) {
2109 		char *smallerthan, *at, *nl, *committer, *blame_row = NULL,
2110 		     *line_escape = NULL;
2111 		size_t len;
2112 
2113 		if (getline(&line, &linesize, a->f) == -1) {
2114 			if (ferror(a->f))
2115 				err = got_error_from_errno("getline");
2116 			break;
2117 		}
2118 
2119 		committer = bline->committer;
2120 		smallerthan = strchr(committer, '<');
2121 		if (smallerthan && smallerthan[1] != '\0')
2122 			committer = smallerthan + 1;
2123 		at = strchr(committer, '@');
2124 		if (at)
2125 			*at = '\0';
2126 		len = strlen(committer);
2127 		if (len >= 9)
2128 			committer[8] = '\0';
2129 
2130 		nl = strchr(line, '\n');
2131 		if (nl)
2132 			*nl = '\0';
2133 
2134 		if (strcmp(line, "") != 0)
2135 			line_escape = strdup(gw_html_escape(line));
2136 		else
2137 			line_escape = strdup("");
2138 
2139 		asprintf(&blame_row, blame_line, a->nlines_prec,
2140 		    a->lineno_cur, bline->id_str, bline->datebuf, committer,
2141 		    line_escape);
2142 		a->lineno_cur++;
2143 		err = buf_puts(&newsize, a->blamebuf, blame_row);
2144 		if (err)
2145 			return err;
2146 
2147 		bline = &a->lines[a->lineno_cur - 1];
2148 		free(line_escape);
2149 		free(blame_row);
2150 	}
2151 done:
2152 	if (commit)
2153 		got_object_commit_close(commit);
2154 	free(line);
2155 	return err;
2156 }
2157 
2158 static char*
2159 gw_get_file_blame(struct gw_trans *gw_trans)
2160 {
2161 	const struct got_error *error = NULL;
2162 	struct got_repository *repo = NULL;
2163 	struct got_object_id *obj_id = NULL;
2164 	struct got_object_id *commit_id = NULL;
2165 	struct got_blob_object *blob = NULL;
2166 	char *blame_html = NULL, *path = NULL, *in_repo_path = NULL,
2167 	     *folder = NULL;
2168 	struct gw_blame_cb_args bca;
2169 	int i, obj_type;
2170 	size_t filesize;
2171 
2172 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2173 	if (error)
2174 		goto done;
2175 
2176 	if (gw_trans->repo_folder != NULL) {
2177 		if ((asprintf(&folder, "%s/", gw_trans->repo_folder)) == -1) {
2178 			error = got_error_from_errno("asprintf");
2179 			goto done;
2180 		}
2181 	} else
2182 		folder = strdup("");
2183 
2184 	if ((asprintf(&path, "%s%s", folder, gw_trans->repo_file)) == -1) {
2185 		error = got_error_from_errno("asprintf");
2186 		goto done;
2187 	}
2188 	free(folder);
2189 
2190 	error = got_repo_map_path(&in_repo_path, repo, path, 1);
2191 	if (error)
2192 		goto done;
2193 
2194 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit,
2195 	    GOT_OBJ_TYPE_COMMIT, 1, repo);
2196 	if (error)
2197 		goto done;
2198 
2199 	error = got_object_id_by_path(&obj_id, repo, commit_id, in_repo_path);
2200 	if (error)
2201 		goto done;
2202 
2203 	if (obj_id == NULL) {
2204 		error = got_error(GOT_ERR_NO_OBJ);
2205 		goto done;
2206 	}
2207 
2208 	error = got_object_get_type(&obj_type, repo, obj_id);
2209 	if (error)
2210 		goto done;
2211 
2212 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
2213 		error = got_error(GOT_ERR_OBJ_TYPE);
2214 		goto done;
2215 	}
2216 
2217 	error = got_object_open_as_blob(&blob, repo, obj_id, 8192);
2218 	if (error)
2219 		goto done;
2220 
2221 	error = buf_alloc(&bca.blamebuf, 0);
2222 	if (error)
2223 		goto done;
2224 
2225 	bca.f = got_opentemp();
2226 	if (bca.f == NULL) {
2227 		error = got_error_from_errno("got_opentemp");
2228 		goto done;
2229 	}
2230 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
2231 	    &bca.line_offsets, bca.f, blob);
2232 	if (error || bca.nlines == 0)
2233 		goto done;
2234 
2235 	/* Don't include \n at EOF in the blame line count. */
2236 	if (bca.line_offsets[bca.nlines - 1] == filesize)
2237 		bca.nlines--;
2238 
2239 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
2240 	if (bca.lines == NULL) {
2241 		error = got_error_from_errno("calloc");
2242 		goto done;
2243 	}
2244 	bca.lineno_cur = 1;
2245 	bca.nlines_prec = 0;
2246 	i = bca.nlines;
2247 	while (i > 0) {
2248 		i /= 10;
2249 		bca.nlines_prec++;
2250 	}
2251 	bca.repo = repo;
2252 	bca.gw_trans = gw_trans;
2253 
2254 	error = got_blame(in_repo_path, commit_id, repo, gw_blame_cb, &bca,
2255 	    NULL, NULL);
2256 	if (buf_len(bca.blamebuf) > 0) {
2257 		error = buf_putc(bca.blamebuf, '\0');
2258 		blame_html = strdup(buf_get(bca.blamebuf));
2259 	}
2260 done:
2261 	free(bca.blamebuf);
2262 	free(in_repo_path);
2263 	free(commit_id);
2264 	free(obj_id);
2265 	free(path);
2266 
2267 	if (blob)
2268 		error = got_object_blob_close(blob);
2269 	if (repo)
2270 		error = got_repo_close(repo);
2271 	if (error)
2272 		return NULL;
2273 	if (bca.lines) {
2274 		for (i = 0; i < bca.nlines; i++) {
2275 			struct blame_line *bline = &bca.lines[i];
2276 			free(bline->id_str);
2277 			free(bline->committer);
2278 		}
2279 		free(bca.lines);
2280 	}
2281 	free(bca.line_offsets);
2282 	if (bca.f && fclose(bca.f) == EOF && error == NULL)
2283 		error = got_error_from_errno("fclose");
2284 	if (error)
2285 		return NULL;
2286 	else
2287 		return blame_html;
2288 }
2289 
2290 static char*
2291 gw_get_repo_tree(struct gw_trans *gw_trans)
2292 {
2293 	const struct got_error *error = NULL;
2294 	struct got_repository *repo = NULL;
2295 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
2296 	struct got_tree_object *tree = NULL;
2297 	struct buf *diffbuf = NULL;
2298 	size_t newsize;
2299 	char *tree_html = NULL, *path = NULL, *in_repo_path = NULL,
2300 	    *tree_row = NULL, *id_str;
2301 	int nentries, i;
2302 
2303 	error = buf_alloc(&diffbuf, 0);
2304 	if (error)
2305 		return NULL;
2306 
2307 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2308 	if (error)
2309 		goto done;
2310 
2311 	error = got_repo_map_path(&in_repo_path, repo, gw_trans->repo_path, 1);
2312 	if (error)
2313 		goto done;
2314 
2315 	if (gw_trans->repo_folder != NULL)
2316 		path = strdup(gw_trans->repo_folder);
2317 	else if (in_repo_path) {
2318 		free(path);
2319 		path = in_repo_path;
2320 	}
2321 
2322 	if (gw_trans->commit == NULL) {
2323 		struct got_reference *head_ref;
2324 		error = got_ref_open(&head_ref, repo, gw_trans->headref, 0);
2325 		if (error)
2326 			goto done;
2327 
2328 		error = got_ref_resolve(&commit_id, repo, head_ref);
2329 		got_ref_close(head_ref);
2330 
2331 	} else
2332 		error = got_repo_match_object_id(&commit_id, NULL,
2333 		    gw_trans->commit, GOT_OBJ_TYPE_COMMIT, 1, repo);
2334 	if (error)
2335 		goto done;
2336 
2337 	error = got_object_id_str(&gw_trans->commit, commit_id);
2338 	if (error)
2339 		goto done;
2340 
2341 	error = got_object_id_by_path(&tree_id, repo, commit_id, path);
2342 	if (error)
2343 		goto done;
2344 
2345 	error = got_object_open_as_tree(&tree, repo, tree_id);
2346 	if (error)
2347 		goto done;
2348 
2349 	nentries = got_object_tree_get_nentries(tree);
2350 
2351 	for (i = 0; i < nentries; i++) {
2352 		struct got_tree_entry *te;
2353 		const char *modestr = "";
2354 		char *id = NULL, *url_html = NULL;
2355 
2356 		te = got_object_tree_get_entry(tree, i);
2357 
2358 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
2359 		if (error)
2360 			goto done;
2361 
2362 		if ((asprintf(&id, "%s", id_str)) == -1) {
2363 			error = got_error_from_errno("asprintf");
2364 			free(id_str);
2365 			goto done;
2366 		}
2367 
2368 		mode_t mode = got_tree_entry_get_mode(te);
2369 
2370 		if (got_object_tree_entry_is_submodule(te))
2371 			modestr = "$";
2372 		else if (S_ISLNK(mode))
2373 			modestr = "@";
2374 		else if (S_ISDIR(mode))
2375 			modestr = "/";
2376 		else if (mode & S_IXUSR)
2377 			modestr = "*";
2378 
2379 		char *build_folder = NULL;
2380 		if (S_ISDIR(got_tree_entry_get_mode(te))) {
2381 			if (gw_trans->repo_folder != NULL) {
2382 				if ((asprintf(&build_folder, "%s/%s",
2383 				    gw_trans->repo_folder,
2384 				    got_tree_entry_get_name(te))) == -1) {
2385 					error =
2386 					    got_error_from_errno("asprintf");
2387 					goto done;
2388 				}
2389 			} else {
2390 				if (asprintf(&build_folder, "%s",
2391 				    got_tree_entry_get_name(te)) == -1)
2392 					goto done;
2393 			}
2394 
2395 			if ((asprintf(&url_html, folder_html,
2396 			    gw_trans->repo_name, gw_trans->action_name,
2397 			    gw_trans->commit, build_folder,
2398 			    got_tree_entry_get_name(te), modestr)) == -1) {
2399 				error = got_error_from_errno("asprintf");
2400 				goto done;
2401 			}
2402 		} else {
2403 			if (gw_trans->repo_folder != NULL) {
2404 				if ((asprintf(&build_folder, "%s",
2405 				    gw_trans->repo_folder)) == -1) {
2406 					error =
2407 					    got_error_from_errno("asprintf");
2408 					goto done;
2409 				}
2410 			} else
2411 				build_folder = strdup("");
2412 
2413 			if ((asprintf(&url_html, file_html, gw_trans->repo_name,
2414 			    "blame", gw_trans->commit,
2415 			    got_tree_entry_get_name(te), build_folder,
2416 			    got_tree_entry_get_name(te), modestr)) == -1) {
2417 				error = got_error_from_errno("asprintf");
2418 				goto done;
2419 			}
2420 		}
2421 		free(build_folder);
2422 
2423 		if (error)
2424 			goto done;
2425 
2426 		if ((asprintf(&tree_row, tree_line, url_html)) == -1) {
2427 			error = got_error_from_errno("asprintf");
2428 			goto done;
2429 		}
2430 		error = buf_puts(&newsize, diffbuf, tree_row);
2431 		if (error)
2432 			goto done;
2433 
2434 		free(id);
2435 		free(id_str);
2436 		free(url_html);
2437 		free(tree_row);
2438 	}
2439 
2440 	if (buf_len(diffbuf) > 0) {
2441 		error = buf_putc(diffbuf, '\0');
2442 		tree_html = strdup(buf_get(diffbuf));
2443 	}
2444 done:
2445 	if (tree)
2446 		got_object_tree_close(tree);
2447 	if (repo)
2448 		got_repo_close(repo);
2449 
2450 	free(in_repo_path);
2451 	free(tree_id);
2452 	free(diffbuf);
2453 	if (error)
2454 		return NULL;
2455 	else
2456 		return tree_html;
2457 }
2458 
2459 static char *
2460 gw_get_repo_heads(struct gw_trans *gw_trans)
2461 {
2462 	const struct got_error *error = NULL;
2463 	struct got_repository *repo = NULL;
2464 	struct got_reflist_head refs;
2465 	struct got_reflist_entry *re;
2466 	char *heads, *head_row = NULL, *head_navs_disp = NULL, *age = NULL;
2467 	struct buf *diffbuf = NULL;
2468 	size_t newsize;
2469 
2470 	error = buf_alloc(&diffbuf, 0);
2471 	if (error)
2472 		return NULL;
2473 
2474 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2475 	if (error)
2476 		goto done;
2477 
2478 	SIMPLEQ_INIT(&refs);
2479 	error = got_ref_list(&refs, repo, "refs/heads", got_ref_cmp_by_name,
2480 	    NULL);
2481 	if (error)
2482 		goto done;
2483 
2484 	SIMPLEQ_FOREACH(re, &refs, entry) {
2485 		char *refname;
2486 
2487 		refname = strdup(got_ref_get_name(re->ref));
2488 		if (refname == NULL) {
2489 			error = got_error_from_errno("got_ref_to_str");
2490 			goto done;
2491 		}
2492 
2493 		if (strncmp(refname, "refs/heads/", 11) != 0) {
2494 			free(refname);
2495 			continue;
2496 		}
2497 
2498 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path, refname,
2499 		    TM_DIFF);
2500 
2501 		if ((asprintf(&head_navs_disp, heads_navs, gw_trans->repo_name,
2502 		    refname, gw_trans->repo_name, refname,
2503 		    gw_trans->repo_name, refname, gw_trans->repo_name,
2504 		    refname)) == -1) {
2505 			error = got_error_from_errno("asprintf");
2506 			goto done;
2507 		}
2508 
2509 		if (strncmp(refname, "refs/heads/", 11) == 0)
2510 			refname += 11;
2511 
2512 		if ((asprintf(&head_row, heads_row, age, refname,
2513 		    head_navs_disp)) == -1) {
2514 			error = got_error_from_errno("asprintf");
2515 			goto done;
2516 		}
2517 
2518 		error = buf_puts(&newsize, diffbuf, head_row);
2519 
2520 		free(head_navs_disp);
2521 		free(head_row);
2522 	}
2523 
2524 	if (buf_len(diffbuf) > 0) {
2525 		error = buf_putc(diffbuf, '\0');
2526 		heads = strdup(buf_get(diffbuf));
2527 	}
2528 done:
2529 	buf_free(diffbuf);
2530 	got_ref_list_free(&refs);
2531 	if (repo)
2532 		got_repo_close(repo);
2533 	if (error)
2534 		return NULL;
2535 	else
2536 		return heads;
2537 }
2538 
2539 static char *
2540 gw_get_got_link(struct gw_trans *gw_trans)
2541 {
2542 	char *link;
2543 
2544 	if ((asprintf(&link, got_link, gw_trans->gw_conf->got_logo_url,
2545 	    gw_trans->gw_conf->got_logo)) == -1)
2546 		return NULL;
2547 
2548 	return link;
2549 }
2550 
2551 static char *
2552 gw_get_site_link(struct gw_trans *gw_trans)
2553 {
2554 	char *link, *repo = "", *action = "";
2555 
2556 	if (gw_trans->repo_name != NULL)
2557 		if ((asprintf(&repo, " / <a href='?path=%s&action=summary'>%s" \
2558 		    "</a>", gw_trans->repo_name, gw_trans->repo_name)) == -1)
2559 			return NULL;
2560 
2561 	if (gw_trans->action_name != NULL)
2562 		if ((asprintf(&action, " / %s", gw_trans->action_name)) == -1)
2563 			return NULL;
2564 
2565 	if ((asprintf(&link, site_link, GOTWEB,
2566 	    gw_trans->gw_conf->got_site_link, repo, action)) == -1)
2567 		return NULL;
2568 
2569 	return link;
2570 }
2571 
2572 static char *
2573 gw_colordiff_line(char *buf)
2574 {
2575 	const struct got_error *error = NULL;
2576 	char *colorized_line = NULL, *div_diff_line_div = NULL, *color = NULL;
2577 	struct buf *diffbuf = NULL;
2578 	size_t newsize;
2579 
2580 	error = buf_alloc(&diffbuf, 0);
2581 	if (error)
2582 		return NULL;
2583 
2584 	if (buf == NULL)
2585 		return NULL;
2586 	if (strncmp(buf, "-", 1) == 0)
2587 		color = "diff_minus";
2588 	if (strncmp(buf, "+", 1) == 0)
2589 		color = "diff_plus";
2590 	if (strncmp(buf, "@@", 2) == 0)
2591 		color = "diff_chunk_header";
2592 	if (strncmp(buf, "@@", 2) == 0)
2593 		color = "diff_chunk_header";
2594 	if (strncmp(buf, "commit +", 8) == 0)
2595 		color = "diff_meta";
2596 	if (strncmp(buf, "commit -", 8) == 0)
2597 		color = "diff_meta";
2598 	if (strncmp(buf, "blob +", 6) == 0)
2599 		color = "diff_meta";
2600 	if (strncmp(buf, "blob -", 6) == 0)
2601 		color = "diff_meta";
2602 	if (strncmp(buf, "file +", 6) == 0)
2603 		color = "diff_meta";
2604 	if (strncmp(buf, "file -", 6) == 0)
2605 		color = "diff_meta";
2606 	if (strncmp(buf, "from:", 5) == 0)
2607 		color = "diff_author";
2608 	if (strncmp(buf, "via:", 4) == 0)
2609 		color = "diff_author";
2610 	if (strncmp(buf, "date:", 5) == 0)
2611 		color = "diff_date";
2612 
2613 	if ((asprintf(&div_diff_line_div, div_diff_line, color)) == -1)
2614 		return NULL;
2615 
2616 	error = buf_puts(&newsize, diffbuf, div_diff_line_div);
2617 	if (error)
2618 		return NULL;
2619 
2620 	error = buf_puts(&newsize, diffbuf, buf);
2621 	if (error)
2622 		return NULL;
2623 
2624 	if (buf_len(diffbuf) > 0) {
2625 		error = buf_putc(diffbuf, '\0');
2626 		colorized_line = strdup(buf_get(diffbuf));
2627 	}
2628 
2629 	free(diffbuf);
2630 	free(div_diff_line_div);
2631 	return colorized_line;
2632 }
2633 
2634 static char *
2635 gw_html_escape(const char *html)
2636 {
2637 	char *escaped_str = NULL, *buf;
2638 	char c[1];
2639 	size_t sz, i, buff_sz = 2048;
2640 
2641 	if ((buf = calloc(buff_sz, sizeof(char *))) == NULL)
2642 		return NULL;
2643 
2644 	if (html == NULL)
2645 		return NULL;
2646 	else
2647 		if ((sz = strlen(html)) == 0)
2648 			return NULL;
2649 
2650 	/* only work with buff_sz */
2651 	if (buff_sz < sz)
2652 		sz = buff_sz;
2653 
2654 	for (i = 0; i < sz; i++) {
2655 		c[0] = html[i];
2656 		switch (c[0]) {
2657 		case ('>'):
2658 			strcat(buf, "&gt;");
2659 			break;
2660 		case ('&'):
2661 			strcat(buf, "&amp;");
2662 			break;
2663 		case ('<'):
2664 			strcat(buf, "&lt;");
2665 			break;
2666 		case ('"'):
2667 			strcat(buf, "&quot;");
2668 			break;
2669 		case ('\''):
2670 			strcat(buf, "&apos;");
2671 			break;
2672 		case ('\n'):
2673 			strcat(buf, "<br />");
2674 		default:
2675 			strcat(buf, &c[0]);
2676 			break;
2677 		}
2678 	}
2679 	asprintf(&escaped_str, "%s", buf);
2680 	free(buf);
2681 	return escaped_str;
2682 }
2683 
2684 int
2685 main(int argc, char *argv[])
2686 {
2687 	const struct got_error *error = NULL;
2688 	struct gw_trans *gw_trans;
2689 	struct gw_dir *dir = NULL, *tdir;
2690 	const char *page = "index";
2691 	int gw_malloc = 1;
2692 	enum kcgi_err kerr;
2693 
2694 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
2695 		errx(1, "malloc");
2696 
2697 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
2698 		errx(1, "malloc");
2699 
2700 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
2701 		errx(1, "malloc");
2702 
2703 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
2704 		errx(1, "malloc");
2705 
2706 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
2707 	if (kerr != KCGI_OK) {
2708 		error = gw_kcgi_error(kerr);
2709 		goto err;
2710 	}
2711 
2712 	if ((gw_trans->gw_conf =
2713 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
2714 		gw_malloc = 0;
2715 		error = got_error_from_errno("malloc");
2716 		goto err;
2717 	}
2718 
2719 	TAILQ_INIT(&gw_trans->gw_dirs);
2720 	TAILQ_INIT(&gw_trans->gw_headers);
2721 
2722 	gw_trans->page = 0;
2723 	gw_trans->repos_total = 0;
2724 	gw_trans->repo_path = NULL;
2725 	gw_trans->commit = NULL;
2726 	gw_trans->headref = strdup(GOT_REF_HEAD);
2727 	gw_trans->mime = KMIME_TEXT_HTML;
2728 	gw_trans->gw_tmpl->key = gw_templs;
2729 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
2730 	gw_trans->gw_tmpl->arg = gw_trans;
2731 	gw_trans->gw_tmpl->cb = gw_template;
2732 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
2733 
2734 err:
2735 	if (error) {
2736 		gw_trans->mime = KMIME_TEXT_PLAIN;
2737 		gw_trans->action = GW_ERR;
2738 		gw_display_index(gw_trans, error);
2739 		goto done;
2740 	}
2741 
2742 	error = gw_parse_querystring(gw_trans);
2743 	if (error)
2744 		goto err;
2745 
2746 	error = gw_display_index(gw_trans, error);
2747 	if (error)
2748 		goto err;
2749 
2750 done:
2751 	if (gw_malloc) {
2752 		free(gw_trans->gw_conf->got_repos_path);
2753 		free(gw_trans->gw_conf->got_www_path);
2754 		free(gw_trans->gw_conf->got_site_name);
2755 		free(gw_trans->gw_conf->got_site_owner);
2756 		free(gw_trans->gw_conf->got_site_link);
2757 		free(gw_trans->gw_conf->got_logo);
2758 		free(gw_trans->gw_conf->got_logo_url);
2759 		free(gw_trans->gw_conf);
2760 		free(gw_trans->commit);
2761 		free(gw_trans->repo_path);
2762 		free(gw_trans->repo_name);
2763 		free(gw_trans->repo_file);
2764 		free(gw_trans->action_name);
2765 		free(gw_trans->headref);
2766 
2767 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
2768 			free(dir->name);
2769 			free(dir->description);
2770 			free(dir->age);
2771 			free(dir->url);
2772 			free(dir->path);
2773 			free(dir);
2774 		}
2775 
2776 	}
2777 
2778 	khttp_free(gw_trans->gw_req);
2779 	return EXIT_SUCCESS;
2780 }