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Date:: Tue Jan 28 13:02:44 2020 UTC
Message:: make gotweb check for kcgi errors where feasible
Actions:: History | Blame | Raw File
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 
328 	if ((asprintf(&blame_html_disp, blame_header,
329 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
330 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
331 	    blame_html)) == -1)
332 		return got_error_from_errno("asprintf");
333 
334 	if ((asprintf(&blame, blame_wrapper, blame_html_disp)) == -1)
335 		return got_error_from_errno("asprintf");
336 
337 	kerr = khttp_puts(gw_trans->gw_req, blame);
338 	if (kerr != KCGI_OK)
339 		error = gw_kcgi_error(kerr);
340 	got_ref_list_free(&header->refs);
341 	gw_free_headers(header);
342 	free(blame_html_disp);
343 	free(blame_html);
344 	free(blame);
345 	return error;
346 }
347 
348 static const struct got_error *
349 gw_diff(struct gw_trans *gw_trans)
350 {
351 	const struct got_error *error = NULL;
352 	struct gw_header *header = NULL;
353 	char *diff = NULL, *diff_html = NULL, *diff_html_disp = NULL;
354 	enum kcgi_err kerr;
355 
356 	if (pledge("stdio rpath wpath cpath proc exec sendfd unveil",
357 	    NULL) == -1)
358 		return got_error_from_errno("pledge");
359 
360 	if ((header = malloc(sizeof(struct gw_header))) == NULL)
361 		return got_error_from_errno("malloc");
362 
363 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
364 	if (error)
365 		return error;
366 
367 	error = gw_get_header(gw_trans, header, 1);
368 	if (error)
369 		return error;
370 
371 	diff_html = gw_get_diff(gw_trans, header);
372 
373 	if (diff_html == NULL)
374 		diff_html = strdup("");
375 
376 	if ((asprintf(&diff_html_disp, diff_header,
377 	    gw_gen_diff_header(header->parent_id, header->commit_id),
378 	    gw_gen_commit_header(header->commit_id, header->refs_str),
379 	    gw_gen_tree_header(header->tree_id),
380 	    gw_gen_author_header(header->author),
381 	    gw_gen_committer_header(header->committer),
382 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
383 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
384 	    diff_html)) == -1)
385 		return got_error_from_errno("asprintf");
386 
387 	if ((asprintf(&diff, diff_wrapper, diff_html_disp)) == -1)
388 		return got_error_from_errno("asprintf");
389 
390 	kerr = khttp_puts(gw_trans->gw_req, diff);
391 	if (kerr != KCGI_OK)
392 		error = gw_kcgi_error(kerr);
393 	got_ref_list_free(&header->refs);
394 	gw_free_headers(header);
395 	free(diff_html_disp);
396 	free(diff_html);
397 	free(diff);
398 	return error;
399 }
400 
401 static const struct got_error *
402 gw_index(struct gw_trans *gw_trans)
403 {
404 	const struct got_error *error = NULL;
405 	struct gw_dir *gw_dir = NULL;
406 	char *html, *navs, *next, *prev;
407 	unsigned int prev_disp = 0, next_disp = 1, dir_c = 0;
408 	enum kcgi_err kerr;
409 
410 	if (pledge("stdio rpath proc exec sendfd unveil",
411 	    NULL) == -1) {
412 		error = got_error_from_errno("pledge");
413 		return error;
414 	}
415 
416 	error = gw_apply_unveil(gw_trans->gw_conf->got_repos_path, NULL);
417 	if (error)
418 		return error;
419 
420 	error = gw_load_got_paths(gw_trans);
421 	if (error)
422 		return error;
423 
424 	kerr = khttp_puts(gw_trans->gw_req, index_projects_header);
425 	if (kerr != KCGI_OK)
426 		return gw_kcgi_error(kerr);
427 
428 	if (TAILQ_EMPTY(&gw_trans->gw_dirs)) {
429 		if (asprintf(&html, index_projects_empty,
430 		    gw_trans->gw_conf->got_repos_path) == -1)
431 			return got_error_from_errno("asprintf");
432 		kerr = khttp_puts(gw_trans->gw_req, html);
433 		if (kerr != KCGI_OK)
434 			error = gw_kcgi_error(kerr);
435 		free(html);
436 		return error;
437 	}
438 
439 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry)
440 		dir_c++;
441 
442 	TAILQ_FOREACH(gw_dir, &gw_trans->gw_dirs, entry) {
443 		if (gw_trans->page > 0 && (gw_trans->page *
444 		    gw_trans->gw_conf->got_max_repos_display) > prev_disp) {
445 			prev_disp++;
446 			continue;
447 		}
448 
449 		prev_disp++;
450 
451 		if (error)
452 			return error;
453 		if((asprintf(&navs, index_navs, gw_dir->name, gw_dir->name,
454 		    gw_dir->name, gw_dir->name)) == -1)
455 			return got_error_from_errno("asprintf");
456 
457 		if ((asprintf(&html, index_projects, gw_dir->name, gw_dir->name,
458 		    gw_dir->description, gw_dir->owner, gw_dir->age,
459 		    navs)) == -1)
460 			return got_error_from_errno("asprintf");
461 
462 		kerr = khttp_puts(gw_trans->gw_req, html);
463 		free(navs);
464 		free(html);
465 		if (kerr != KCGI_OK)
466 			return gw_kcgi_error(kerr);
467 
468 		if (gw_trans->gw_conf->got_max_repos_display == 0)
469 			continue;
470 
471 		if (next_disp == gw_trans->gw_conf->got_max_repos_display) {
472 			kerr = khttp_puts(gw_trans->gw_req, np_wrapper_start);
473 			if (kerr != KCGI_OK)
474 				return gw_kcgi_error(kerr);
475 		} else if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
476 		    (gw_trans->page > 0) &&
477 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
478 		    prev_disp == gw_trans->repos_total)) {
479 			kerr = khttp_puts(gw_trans->gw_req, np_wrapper_start);
480 			if (kerr != KCGI_OK)
481 				return gw_kcgi_error(kerr);
482 		}
483 
484 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
485 		    (gw_trans->page > 0) &&
486 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
487 		    prev_disp == gw_trans->repos_total)) {
488 			if ((asprintf(&prev, nav_prev,
489 			    gw_trans->page - 1)) == -1)
490 				return got_error_from_errno("asprintf");
491 			kerr = khttp_puts(gw_trans->gw_req, prev);
492 			free(prev);
493 			if (kerr != KCGI_OK)
494 				return gw_kcgi_error(kerr);
495 		}
496 
497 		kerr = khttp_puts(gw_trans->gw_req, div_end);
498 		if (kerr != KCGI_OK)
499 			return gw_kcgi_error(kerr);
500 
501 		if (gw_trans->gw_conf->got_max_repos_display > 0 &&
502 		    next_disp == gw_trans->gw_conf->got_max_repos_display &&
503 		    dir_c != (gw_trans->page + 1) *
504 		    gw_trans->gw_conf->got_max_repos_display) {
505 			if ((asprintf(&next, nav_next,
506 			    gw_trans->page + 1)) == -1)
507 				return got_error_from_errno("calloc");
508 			kerr = khttp_puts(gw_trans->gw_req, next);
509 			free(next);
510 			if (kerr != KCGI_OK)
511 				return gw_kcgi_error(kerr);
512 			kerr = khttp_puts(gw_trans->gw_req, div_end);
513 			if (kerr != KCGI_OK)
514 				error = gw_kcgi_error(kerr);
515 			next_disp = 0;
516 			break;
517 		}
518 
519 		if ((gw_trans->gw_conf->got_max_repos_display > 0) &&
520 		    (gw_trans->page > 0) &&
521 		    (next_disp == gw_trans->gw_conf->got_max_repos_display ||
522 		    prev_disp == gw_trans->repos_total)) {
523 			kerr = khttp_puts(gw_trans->gw_req, div_end);
524 			if (kerr != KCGI_OK)
525 				return gw_kcgi_error(kerr);
526 		}
527 
528 		next_disp++;
529 	}
530 	return error;
531 }
532 
533 static const struct got_error *
534 gw_commits(struct gw_trans *gw_trans)
535 {
536 	const struct got_error *error = NULL;
537 	char *commits_html, *commits_navs_html;
538 	struct gw_header *header = NULL, *n_header = NULL;
539 	enum kcgi_err kerr;
540 
541 	if ((header = malloc(sizeof(struct gw_header))) == NULL)
542 		return got_error_from_errno("malloc");
543 
544 	if (pledge("stdio rpath proc exec sendfd unveil",
545 	    NULL) == -1) {
546 		error = got_error_from_errno("pledge");
547 		return error;
548 	}
549 
550 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
551 	if (error)
552 		return error;
553 
554 	error = gw_get_header(gw_trans, header,
555 	    gw_trans->gw_conf->got_max_commits_display);
556 
557 	kerr = khttp_puts(gw_trans->gw_req, commits_wrapper);
558 	if (kerr != KCGI_OK)
559 		return gw_kcgi_error(kerr);
560 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
561 		if ((asprintf(&commits_navs_html, commits_navs,
562 		    gw_trans->repo_name, n_header->commit_id,
563 		    gw_trans->repo_name, n_header->commit_id,
564 		    gw_trans->repo_name, n_header->commit_id)) == -1)
565 			return got_error_from_errno("asprintf");
566 
567 		if ((asprintf(&commits_html, commits_line,
568 	    	    gw_gen_commit_header(n_header->commit_id,
569 		        n_header->refs_str),
570 	    	    gw_gen_author_header(n_header->author),
571 	    	    gw_gen_committer_header(n_header->committer),
572 		    gw_gen_age_header(gw_get_time_str(n_header->committer_time,
573 		        TM_LONG)), gw_html_escape(n_header->commit_msg),
574 		    commits_navs_html)) == -1)
575 			return got_error_from_errno("asprintf");
576 		kerr = khttp_puts(gw_trans->gw_req, commits_html);
577 		if (kerr != KCGI_OK)
578 			return gw_kcgi_error(kerr);
579 	}
580 	kerr = khttp_puts(gw_trans->gw_req, div_end);
581 	if (kerr != KCGI_OK)
582 		error = gw_kcgi_error(kerr);
583 
584 	got_ref_list_free(&header->refs);
585 	gw_free_headers(header);
586 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
587 		gw_free_headers(n_header);
588 	return error;
589 }
590 
591 static const struct got_error *
592 gw_briefs(struct gw_trans *gw_trans)
593 {
594 	const struct got_error *error = NULL;
595 	char *briefs_html = NULL, *briefs_navs_html = NULL, *newline;
596 	struct gw_header *header = NULL, *n_header = NULL;
597 	enum kcgi_err kerr;
598 
599 	if ((header = malloc(sizeof(struct gw_header))) == NULL)
600 		return got_error_from_errno("malloc");
601 
602 	if (pledge("stdio rpath proc exec sendfd unveil",
603 	    NULL) == -1) {
604 		error = got_error_from_errno("pledge");
605 		return error;
606 	}
607 
608 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
609 	if (error)
610 		return error;
611 
612 	if (gw_trans->action == GW_SUMMARY)
613 		error = gw_get_header(gw_trans, header, D_MAXSLCOMMDISP);
614 	else
615 		error = gw_get_header(gw_trans, header,
616 		    gw_trans->gw_conf->got_max_commits_display);
617 
618 	if (error)
619 		return error;
620 
621 	kerr = khttp_puts(gw_trans->gw_req, briefs_wrapper);
622 	if (kerr != KCGI_OK)
623 		return gw_kcgi_error(kerr);
624 
625 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry) {
626 		if ((asprintf(&briefs_navs_html, briefs_navs,
627 		    gw_trans->repo_name, n_header->commit_id,
628 		    gw_trans->repo_name, n_header->commit_id,
629 		    gw_trans->repo_name, n_header->commit_id)) == -1)
630 			return got_error_from_errno("asprintf");
631 		newline = strchr(n_header->commit_msg, '\n');
632 		if (newline)
633 			*newline = '\0';
634 		if ((asprintf(&briefs_html, briefs_line,
635 		    gw_get_time_str(n_header->committer_time, TM_DIFF),
636 		    n_header->author, gw_html_escape(n_header->commit_msg),
637 		    briefs_navs_html)) == -1)
638 			return got_error_from_errno("asprintf");
639 		kerr = khttp_puts(gw_trans->gw_req, briefs_html);
640 		if (kerr != KCGI_OK)
641 			return gw_kcgi_error(kerr);
642 	}
643 	kerr = khttp_puts(gw_trans->gw_req, div_end);
644 	if (kerr != KCGI_OK)
645 		error = gw_kcgi_error(kerr);
646 
647 	got_ref_list_free(&header->refs);
648 	gw_free_headers(header);
649 	TAILQ_FOREACH(n_header, &gw_trans->gw_headers, entry)
650 		gw_free_headers(n_header);
651 	return error;
652 }
653 
654 static const struct got_error *
655 gw_summary(struct gw_trans *gw_trans)
656 {
657 	const struct got_error *error = NULL;
658 	char *description_html, *repo_owner_html, *repo_age_html,
659 	     *cloneurl_html, *tags, *heads, *tags_html,
660 	     *heads_html, *age;
661 	enum kcgi_err kerr;
662 
663 	if (pledge("stdio rpath proc exec sendfd unveil",
664 	    NULL) == -1) {
665 		error = got_error_from_errno("pledge");
666 		return error;
667 	}
668 
669 	/* unveil is applied with gw_briefs below */
670 
671 	kerr = khttp_puts(gw_trans->gw_req, summary_wrapper);
672 	if (kerr != KCGI_OK)
673 		return gw_kcgi_error(kerr);
674 
675 	if (gw_trans->gw_conf->got_show_repo_description) {
676 		if (gw_trans->gw_dir->description != NULL &&
677 		    (strcmp(gw_trans->gw_dir->description, "") != 0)) {
678 			if ((asprintf(&description_html, description,
679 			    gw_trans->gw_dir->description)) == -1)
680 				return got_error_from_errno("asprintf");
681 
682 			kerr = khttp_puts(gw_trans->gw_req, description_html);
683 			free(description_html);
684 			if (kerr != KCGI_OK)
685 				return gw_kcgi_error(kerr);
686 		}
687 	}
688 
689 	if (gw_trans->gw_conf->got_show_repo_owner) {
690 		if (gw_trans->gw_dir->owner != NULL &&
691 		    (strcmp(gw_trans->gw_dir->owner, "") != 0)) {
692 			if ((asprintf(&repo_owner_html, repo_owner,
693 			    gw_trans->gw_dir->owner)) == -1)
694 				return got_error_from_errno("asprintf");
695 
696 			kerr = khttp_puts(gw_trans->gw_req, repo_owner_html);
697 			free(repo_owner_html);
698 			if (kerr != KCGI_OK)
699 				return gw_kcgi_error(kerr);
700 		}
701 	}
702 
703 	if (gw_trans->gw_conf->got_show_repo_age) {
704 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path,
705 		    "refs/heads", TM_LONG);
706 		if (age != NULL && (strcmp(age, "") != 0)) {
707 			if ((asprintf(&repo_age_html, last_change, age)) == -1)
708 				return got_error_from_errno("asprintf");
709 
710 			kerr = khttp_puts(gw_trans->gw_req, repo_age_html);
711 			free(repo_age_html);
712 			free(age);
713 			if (kerr != KCGI_OK)
714 				return gw_kcgi_error(kerr);
715 		}
716 	}
717 
718 	if (gw_trans->gw_conf->got_show_repo_cloneurl) {
719 		if (gw_trans->gw_dir->url != NULL &&
720 		    (strcmp(gw_trans->gw_dir->url, "") != 0)) {
721 			if ((asprintf(&cloneurl_html, cloneurl,
722 			    gw_trans->gw_dir->url)) == -1)
723 				return got_error_from_errno("asprintf");
724 
725 			kerr = khttp_puts(gw_trans->gw_req, cloneurl_html);
726 			free(cloneurl_html);
727 			if (kerr != KCGI_OK)
728 				return gw_kcgi_error(kerr);
729 		}
730 	}
731 	kerr = khttp_puts(gw_trans->gw_req, div_end);
732 	if (kerr != KCGI_OK)
733 		return gw_kcgi_error(kerr);
734 
735 	error = gw_briefs(gw_trans);
736 	if (error)
737 		return error;
738 
739 	tags = gw_get_repo_tags(gw_trans, D_MAXSLCOMMDISP, TAGBRIEF);
740 	heads = gw_get_repo_heads(gw_trans);
741 
742 	if (tags != NULL && strcmp(tags, "") != 0) {
743 		if ((asprintf(&tags_html, summary_tags,
744 		    tags)) == -1)
745 			return got_error_from_errno("asprintf");
746 		kerr = khttp_puts(gw_trans->gw_req, tags_html);
747 		free(tags_html);
748 		free(tags);
749 		if (kerr != KCGI_OK)
750 			return gw_kcgi_error(kerr);
751 	}
752 
753 	if (heads != NULL && strcmp(heads, "") != 0) {
754 		if ((asprintf(&heads_html, summary_heads,
755 		    heads)) == -1)
756 			return got_error_from_errno("asprintf");
757 		kerr = khttp_puts(gw_trans->gw_req, heads_html);
758 		free(heads_html);
759 		free(heads);
760 		if (kerr != KCGI_OK)
761 			return gw_kcgi_error(kerr);
762 	}
763 	return error;
764 }
765 
766 static const struct got_error *
767 gw_tree(struct gw_trans *gw_trans)
768 {
769 	const struct got_error *error = NULL;
770 	struct gw_header *header = NULL;
771 	char *tree = NULL, *tree_html = NULL, *tree_html_disp = NULL;
772 	enum kcgi_err kerr;
773 
774 	if (pledge("stdio rpath proc exec sendfd unveil", NULL) == -1)
775 		return got_error_from_errno("pledge");
776 
777 	if ((header = malloc(sizeof(struct gw_header))) == NULL)
778 		return got_error_from_errno("malloc");
779 
780 	error = gw_apply_unveil(gw_trans->gw_dir->path, NULL);
781 	if (error)
782 		return error;
783 
784 	error = gw_get_header(gw_trans, header, 1);
785 	if (error)
786 		return error;
787 
788 	tree_html = gw_get_repo_tree(gw_trans);
789 
790 	if (tree_html == NULL)
791 		tree_html = strdup("");
792 
793 	if ((asprintf(&tree_html_disp, tree_header,
794 	    gw_gen_age_header(gw_get_time_str(header->committer_time, TM_LONG)),
795 	    gw_gen_commit_msg_header(gw_html_escape(header->commit_msg)),
796 	    tree_html)) == -1)
797 		return got_error_from_errno("asprintf");
798 
799 	if ((asprintf(&tree, tree_wrapper, tree_html_disp)) == -1)
800 		return got_error_from_errno("asprintf");
801 
802 	kerr = khttp_puts(gw_trans->gw_req, tree);
803 	if (kerr != KCGI_OK)
804 		error = gw_kcgi_error(kerr);
805 	got_ref_list_free(&header->refs);
806 	gw_free_headers(header);
807 	free(tree_html_disp);
808 	free(tree_html);
809 	free(tree);
810 	return error;
811 }
812 
813 static const struct got_error *
814 gw_load_got_path(struct gw_trans *gw_trans, struct gw_dir *gw_dir)
815 {
816 	const struct got_error *error = NULL;
817 	DIR *dt;
818 	char *dir_test;
819 	int opened = 0;
820 
821 	if ((asprintf(&dir_test, "%s/%s/%s",
822 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
823 	    GOTWEB_GIT_DIR)) == -1)
824 		return got_error_from_errno("asprintf");
825 
826 	dt = opendir(dir_test);
827 	if (dt == NULL) {
828 		free(dir_test);
829 	} else {
830 		gw_dir->path = strdup(dir_test);
831 		opened = 1;
832 		goto done;
833 	}
834 
835 	if ((asprintf(&dir_test, "%s/%s/%s",
836 	    gw_trans->gw_conf->got_repos_path, gw_dir->name,
837 	    GOTWEB_GOT_DIR)) == -1)
838 		return got_error_from_errno("asprintf");
839 
840 	dt = opendir(dir_test);
841 	if (dt == NULL)
842 		free(dir_test);
843 	else {
844 		opened = 1;
845 		error = got_error(GOT_ERR_NOT_GIT_REPO);
846 		goto errored;
847 	}
848 
849 	if ((asprintf(&dir_test, "%s/%s",
850 	    gw_trans->gw_conf->got_repos_path, gw_dir->name)) == -1)
851 		return got_error_from_errno("asprintf");
852 
853 	gw_dir->path = strdup(dir_test);
854 
855 done:
856 	gw_dir->description = gw_get_repo_description(gw_trans,
857 	    gw_dir->path);
858 	gw_dir->owner = gw_get_repo_owner(gw_trans, gw_dir->path);
859 	gw_dir->age = gw_get_repo_age(gw_trans, gw_dir->path, "refs/heads",
860 	    TM_DIFF);
861 	gw_dir->url = gw_get_clone_url(gw_trans, gw_dir->path);
862 
863 errored:
864 	free(dir_test);
865 	if (opened)
866 		closedir(dt);
867 	return error;
868 }
869 
870 static const struct got_error *
871 gw_load_got_paths(struct gw_trans *gw_trans)
872 {
873 	const struct got_error *error = NULL;
874 	DIR *d;
875 	struct dirent **sd_dent;
876 	struct gw_dir *gw_dir;
877 	struct stat st;
878 	unsigned int d_cnt, d_i;
879 
880 	d = opendir(gw_trans->gw_conf->got_repos_path);
881 	if (d == NULL) {
882 		error = got_error_from_errno2("opendir",
883 		    gw_trans->gw_conf->got_repos_path);
884 		return error;
885 	}
886 
887 	d_cnt = scandir(gw_trans->gw_conf->got_repos_path, &sd_dent, NULL,
888 	    alphasort);
889 	if (d_cnt == -1) {
890 		error = got_error_from_errno2("scandir",
891 		    gw_trans->gw_conf->got_repos_path);
892 		return error;
893 	}
894 
895 	for (d_i = 0; d_i < d_cnt; d_i++) {
896 		if (gw_trans->gw_conf->got_max_repos > 0 &&
897 		    (d_i - 2) == gw_trans->gw_conf->got_max_repos)
898 			break; /* account for parent and self */
899 
900 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
901 		    strcmp(sd_dent[d_i]->d_name, "..") == 0)
902 			continue;
903 
904 		if ((gw_dir = gw_init_gw_dir(sd_dent[d_i]->d_name)) == NULL)
905 			return got_error_from_errno("gw_dir malloc");
906 
907 		error = gw_load_got_path(gw_trans, gw_dir);
908 		if (error && error->code == GOT_ERR_NOT_GIT_REPO)
909 			continue;
910 		else if (error)
911 			return error;
912 
913 		if (lstat(gw_dir->path, &st) == 0 && S_ISDIR(st.st_mode) &&
914 		    !got_path_dir_is_empty(gw_dir->path)) {
915 			TAILQ_INSERT_TAIL(&gw_trans->gw_dirs, gw_dir,
916 			    entry);
917 			gw_trans->repos_total++;
918 		}
919 	}
920 
921 	closedir(d);
922 	return error;
923 }
924 
925 static const struct got_error *
926 gw_parse_querystring(struct gw_trans *gw_trans)
927 {
928 	const struct got_error *error = NULL;
929 	struct kpair *p;
930 	struct gw_query_action *action = NULL;
931 	unsigned int i;
932 
933 	if (gw_trans->gw_req->fieldnmap[0]) {
934 		error = got_error_from_errno("bad parse");
935 		return error;
936 	} else if ((p = gw_trans->gw_req->fieldmap[KEY_PATH])) {
937 		/* define gw_trans->repo_path */
938 		if ((asprintf(&gw_trans->repo_name, "%s", p->parsed.s)) == -1)
939 			return got_error_from_errno("asprintf");
940 
941 		if ((asprintf(&gw_trans->repo_path, "%s/%s",
942 		    gw_trans->gw_conf->got_repos_path, p->parsed.s)) == -1)
943 			return got_error_from_errno("asprintf");
944 
945 		/* get action and set function */
946 		if ((p = gw_trans->gw_req->fieldmap[KEY_ACTION]))
947 			for (i = 0; i < nitems(gw_query_funcs); i++) {
948 				action = &gw_query_funcs[i];
949 				if (action->func_name == NULL)
950 					continue;
951 
952 				if (strcmp(action->func_name,
953 				    p->parsed.s) == 0) {
954 					gw_trans->action = i;
955 					if ((asprintf(&gw_trans->action_name,
956 					    "%s", action->func_name)) == -1)
957 						return
958 						    got_error_from_errno(
959 						    "asprintf");
960 
961 					break;
962 				}
963 
964 				action = NULL;
965 			}
966 
967  		if ((p = gw_trans->gw_req->fieldmap[KEY_COMMIT_ID]))
968 			if ((asprintf(&gw_trans->commit, "%s",
969 			    p->parsed.s)) == -1)
970 				return got_error_from_errno("asprintf");
971 
972 		if ((p = gw_trans->gw_req->fieldmap[KEY_FILE]))
973 			if ((asprintf(&gw_trans->repo_file, "%s",
974 			    p->parsed.s)) == -1)
975 				return got_error_from_errno("asprintf");
976 
977 		if ((p = gw_trans->gw_req->fieldmap[KEY_FOLDER]))
978 			if ((asprintf(&gw_trans->repo_folder, "%s",
979 			    p->parsed.s)) == -1)
980 				return got_error_from_errno("asprintf");
981 
982 		if ((p = gw_trans->gw_req->fieldmap[KEY_HEADREF]))
983 			if ((asprintf(&gw_trans->headref, "%s",
984 			    p->parsed.s)) == -1)
985 				return got_error_from_errno("asprintf");
986 
987 		if (action == NULL) {
988 			error = got_error_from_errno("invalid action");
989 			return error;
990 		}
991 		if ((gw_trans->gw_dir =
992 		    gw_init_gw_dir(gw_trans->repo_name)) == NULL)
993 			return got_error_from_errno("gw_dir malloc");
994 
995 		error = gw_load_got_path(gw_trans, gw_trans->gw_dir);
996 		if (error)
997 			return error;
998 	} else
999 		gw_trans->action = GW_INDEX;
1000 
1001 	if ((p = gw_trans->gw_req->fieldmap[KEY_PAGE]))
1002 		gw_trans->page = p->parsed.i;
1003 
1004 	/* if (gw_trans->action == GW_RAW) */
1005 	/* 	gw_trans->mime = KMIME_TEXT_PLAIN; */
1006 
1007 	return error;
1008 }
1009 
1010 static struct gw_dir *
1011 gw_init_gw_dir(char *dir)
1012 {
1013 	struct gw_dir *gw_dir;
1014 
1015 	if ((gw_dir = malloc(sizeof(*gw_dir))) == NULL)
1016 		return NULL;
1017 
1018 	if ((asprintf(&gw_dir->name, "%s", dir)) == -1)
1019 		return NULL;
1020 
1021 	return gw_dir;
1022 }
1023 
1024 static const struct got_error *
1025 gw_display_open(struct gw_trans *gw_trans, enum khttp code, enum kmime mime)
1026 {
1027 	enum kcgi_err kerr;
1028 
1029 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_ALLOW], "GET");
1030 	if (kerr != KCGI_OK)
1031 		return gw_kcgi_error(kerr);
1032 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_STATUS], "%s",
1033 	    khttps[code]);
1034 	if (kerr != KCGI_OK)
1035 		return gw_kcgi_error(kerr);
1036 	kerr = khttp_head(gw_trans->gw_req, kresps[KRESP_CONTENT_TYPE], "%s",
1037 	    kmimetypes[mime]);
1038 	if (kerr != KCGI_OK)
1039 		return gw_kcgi_error(kerr);
1040 	kerr = khttp_head(gw_trans->gw_req, "X-Content-Type-Options", "nosniff");
1041 	if (kerr != KCGI_OK)
1042 		return gw_kcgi_error(kerr);
1043 	kerr = khttp_head(gw_trans->gw_req, "X-Frame-Options", "DENY");
1044 	if (kerr != KCGI_OK)
1045 		return gw_kcgi_error(kerr);
1046 	kerr = khttp_head(gw_trans->gw_req, "X-XSS-Protection", "1; mode=block");
1047 	if (kerr != KCGI_OK)
1048 		return gw_kcgi_error(kerr);
1049 
1050 	kerr = khttp_body(gw_trans->gw_req);
1051 	return gw_kcgi_error(kerr);
1052 }
1053 
1054 static const struct got_error *
1055 gw_display_index(struct gw_trans *gw_trans, const struct got_error *err)
1056 {
1057 	enum kcgi_err kerr;
1058 
1059 	gw_display_open(gw_trans, KHTTP_200, gw_trans->mime);
1060 	kerr = khtml_open(gw_trans->gw_html_req, gw_trans->gw_req, 0);
1061 
1062 	if (err)
1063 		kerr = khttp_puts(gw_trans->gw_req, err->msg);
1064 	else
1065 		kerr = khttp_template(gw_trans->gw_req, gw_trans->gw_tmpl,
1066 		    gw_query_funcs[gw_trans->action].template);
1067 	if (kerr != KCGI_OK)
1068 		return gw_kcgi_error(kerr);
1069 
1070 	kerr = khtml_close(gw_trans->gw_html_req);
1071 	return gw_kcgi_error(kerr);
1072 }
1073 
1074 static int
1075 gw_template(size_t key, void *arg)
1076 {
1077 	const struct got_error *error = NULL;
1078 	struct gw_trans *gw_trans = arg;
1079 	char *gw_got_link, *gw_site_link;
1080 	char *site_owner_name, *site_owner_name_h;
1081 
1082 	switch (key) {
1083 	case (TEMPL_HEAD):
1084 		khttp_puts(gw_trans->gw_req, head);
1085 		break;
1086 	case(TEMPL_HEADER):
1087 		gw_got_link = gw_get_got_link(gw_trans);
1088 		if (gw_got_link != NULL)
1089 			khttp_puts(gw_trans->gw_req, gw_got_link);
1090 
1091 		free(gw_got_link);
1092 		break;
1093 	case (TEMPL_SITEPATH):
1094 		gw_site_link = gw_get_site_link(gw_trans);
1095 		if (gw_site_link != NULL)
1096 			khttp_puts(gw_trans->gw_req, gw_site_link);
1097 
1098 		free(gw_site_link);
1099 		break;
1100 	case(TEMPL_TITLE):
1101 		if (gw_trans->gw_conf->got_site_name != NULL)
1102 			khtml_puts(gw_trans->gw_html_req,
1103 			    gw_trans->gw_conf->got_site_name);
1104 
1105 		break;
1106 	case (TEMPL_SEARCH):
1107 		khttp_puts(gw_trans->gw_req, search);
1108 		break;
1109 	case(TEMPL_SITEOWNER):
1110 		if (gw_trans->gw_conf->got_site_owner != NULL &&
1111 		    gw_trans->gw_conf->got_show_site_owner) {
1112 			site_owner_name =
1113 			    gw_html_escape(gw_trans->gw_conf->got_site_owner);
1114 			if ((asprintf(&site_owner_name_h, site_owner,
1115 			    site_owner_name))
1116 			    == -1)
1117 				return 0;
1118 
1119 			khttp_puts(gw_trans->gw_req, site_owner_name_h);
1120 			free(site_owner_name);
1121 			free(site_owner_name_h);
1122 		}
1123 		break;
1124 	case(TEMPL_CONTENT):
1125 		error = gw_query_funcs[gw_trans->action].func_main(gw_trans);
1126 		if (error)
1127 			khttp_puts(gw_trans->gw_req, error->msg);
1128 		break;
1129 	default:
1130 		return 0;
1131 	}
1132 	return 1;
1133 }
1134 
1135 static char *
1136 gw_gen_commit_header(char *str1, char *str2)
1137 {
1138 	char *return_html = NULL, *ref_str = NULL;
1139 
1140 	if (strcmp(str2, "") != 0) {
1141 		if ((asprintf(&ref_str, "(%s)", str2)) == -1) {
1142 			return_html = strdup("");
1143 			return return_html;
1144 		}
1145 	} else
1146 		ref_str = strdup("");
1147 
1148 
1149 	if ((asprintf(&return_html, header_commit_html, str1, ref_str)) == -1)
1150 		return_html = strdup("");
1151 
1152 	free(ref_str);
1153 	return return_html;
1154 }
1155 
1156 static char *
1157 gw_gen_diff_header(char *str1, char *str2)
1158 {
1159 	char *return_html = NULL;
1160 
1161 	if ((asprintf(&return_html, header_diff_html, str1, str2)) == -1)
1162 		return_html = strdup("");
1163 
1164 	return return_html;
1165 }
1166 
1167 static char *
1168 gw_gen_author_header(char *str)
1169 {
1170 	char *return_html = NULL;
1171 
1172 	if ((asprintf(&return_html, header_author_html, str)) == -1)
1173 		return_html = strdup("");
1174 
1175 	return return_html;
1176 }
1177 
1178 static char *
1179 gw_gen_committer_header(char *str)
1180 {
1181 	char *return_html = NULL;
1182 
1183 	if ((asprintf(&return_html, header_committer_html, str)) == -1)
1184 		return_html = strdup("");
1185 
1186 	return return_html;
1187 }
1188 
1189 static char *
1190 gw_gen_age_header(char *str)
1191 {
1192 	char *return_html = NULL;
1193 
1194 	if ((asprintf(&return_html, header_age_html, str)) == -1)
1195 		return_html = strdup("");
1196 
1197 	return return_html;
1198 }
1199 
1200 static char *
1201 gw_gen_commit_msg_header(char *str)
1202 {
1203 	char *return_html = NULL;
1204 
1205 	if ((asprintf(&return_html, header_commit_msg_html, str)) == -1)
1206 		return_html = strdup("");
1207 
1208 	return return_html;
1209 }
1210 
1211 static char *
1212 gw_gen_tree_header(char *str)
1213 {
1214 	char *return_html = NULL;
1215 
1216 	if ((asprintf(&return_html, header_tree_html, str)) == -1)
1217 		return_html = strdup("");
1218 
1219 	return return_html;
1220 }
1221 
1222 static char *
1223 gw_get_repo_description(struct gw_trans *gw_trans, char *dir)
1224 {
1225 	FILE *f;
1226 	char *description = NULL, *d_file = NULL;
1227 	unsigned int len;
1228 
1229 	if (gw_trans->gw_conf->got_show_repo_description == false)
1230 		goto err;
1231 
1232 	if ((asprintf(&d_file, "%s/description", dir)) == -1)
1233 		goto err;
1234 
1235 	if ((f = fopen(d_file, "r")) == NULL)
1236 		goto err;
1237 
1238 	fseek(f, 0, SEEK_END);
1239 	len = ftell(f) + 1;
1240 	fseek(f, 0, SEEK_SET);
1241 	if ((description = calloc(len, sizeof(char *))) == NULL)
1242 		goto err;
1243 
1244 	fread(description, 1, len, f);
1245 	fclose(f);
1246 	free(d_file);
1247 	return description;
1248 err:
1249 	if ((asprintf(&description, "%s", "")) == -1)
1250 		return NULL;
1251 
1252 	return description;
1253 }
1254 
1255 static char *
1256 gw_get_time_str(time_t committer_time, int ref_tm)
1257 {
1258 	struct tm tm;
1259 	time_t diff_time;
1260 	char *years = "years ago", *months = "months ago";
1261 	char *weeks = "weeks ago", *days = "days ago", *hours = "hours ago";
1262 	char *minutes = "minutes ago", *seconds = "seconds ago";
1263 	char *now = "right now";
1264 	char *repo_age, *s;
1265 	char datebuf[29];
1266 
1267 	switch (ref_tm) {
1268 	case TM_DIFF:
1269 		diff_time = time(NULL) - committer_time;
1270 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
1271 			if ((asprintf(&repo_age, "%lld %s",
1272 			    (diff_time / 60 / 60 / 24 / 365), years)) == -1)
1273 				return NULL;
1274 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
1275 			if ((asprintf(&repo_age, "%lld %s",
1276 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
1277 			    months)) == -1)
1278 				return NULL;
1279 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
1280 			if ((asprintf(&repo_age, "%lld %s",
1281 			    (diff_time / 60 / 60 / 24 / 7), weeks)) == -1)
1282 				return NULL;
1283 		} else if (diff_time > 60 * 60 * 24 * 2) {
1284 			if ((asprintf(&repo_age, "%lld %s",
1285 			    (diff_time / 60 / 60 / 24), days)) == -1)
1286 				return NULL;
1287 		} else if (diff_time > 60 * 60 * 2) {
1288 			if ((asprintf(&repo_age, "%lld %s",
1289 			    (diff_time / 60 / 60), hours)) == -1)
1290 				return NULL;
1291 		} else if (diff_time > 60 * 2) {
1292 			if ((asprintf(&repo_age, "%lld %s", (diff_time / 60),
1293 			    minutes)) == -1)
1294 				return NULL;
1295 		} else if (diff_time > 2) {
1296 			if ((asprintf(&repo_age, "%lld %s", diff_time,
1297 			    seconds)) == -1)
1298 				return NULL;
1299 		} else {
1300 			if ((asprintf(&repo_age, "%s", now)) == -1)
1301 				return NULL;
1302 		}
1303 		break;
1304 	case TM_LONG:
1305 		if (gmtime_r(&committer_time, &tm) == NULL)
1306 			return NULL;
1307 
1308 		s = asctime_r(&tm, datebuf);
1309 		if (s == NULL)
1310 			return NULL;
1311 
1312 		if ((asprintf(&repo_age, "%s UTC", datebuf)) == -1)
1313 			return NULL;
1314 		break;
1315 	}
1316 	return repo_age;
1317 }
1318 
1319 static char *
1320 gw_get_repo_age(struct gw_trans *gw_trans, char *dir, char *repo_ref,
1321     int ref_tm)
1322 {
1323 	const struct got_error *error = NULL;
1324 	struct got_object_id *id = NULL;
1325 	struct got_repository *repo = NULL;
1326 	struct got_commit_object *commit = NULL;
1327 	struct got_reflist_head refs;
1328 	struct got_reflist_entry *re;
1329 	struct got_reference *head_ref;
1330 	int is_head = 0;
1331 	time_t committer_time = 0, cmp_time = 0;
1332 	const char *refname;
1333 	char *repo_age = NULL;
1334 
1335 	if (repo_ref == NULL)
1336 		return NULL;
1337 
1338 	if (strncmp(repo_ref, "refs/heads/", 11) == 0)
1339 		is_head = 1;
1340 
1341 	SIMPLEQ_INIT(&refs);
1342 	if (gw_trans->gw_conf->got_show_repo_age == false) {
1343 		if ((asprintf(&repo_age, "")) == -1)
1344 			return NULL;
1345 		return repo_age;
1346 	}
1347 
1348 	error = got_repo_open(&repo, dir, NULL);
1349 	if (error)
1350 		goto err;
1351 
1352 	if (is_head)
1353 		error = got_ref_list(&refs, repo, "refs/heads",
1354 		    got_ref_cmp_by_name, NULL);
1355 	else
1356 		error = got_ref_list(&refs, repo, repo_ref,
1357 		    got_ref_cmp_by_name, NULL);
1358 	if (error)
1359 		goto err;
1360 
1361 	SIMPLEQ_FOREACH(re, &refs, entry) {
1362 		if (is_head)
1363 			refname = strdup(repo_ref);
1364 		else
1365 			refname = got_ref_get_name(re->ref);
1366 		error = got_ref_open(&head_ref, repo, refname, 0);
1367 		if (error)
1368 			goto err;
1369 
1370 		error = got_ref_resolve(&id, repo, head_ref);
1371 		got_ref_close(head_ref);
1372 		if (error)
1373 			goto err;
1374 
1375 		error = got_object_open_as_commit(&commit, repo, id);
1376 		if (error)
1377 			goto err;
1378 
1379 		committer_time =
1380 		    got_object_commit_get_committer_time(commit);
1381 
1382 		if (cmp_time < committer_time)
1383 			cmp_time = committer_time;
1384 	}
1385 
1386 	if (cmp_time != 0) {
1387 		committer_time = cmp_time;
1388 		repo_age = gw_get_time_str(committer_time, ref_tm);
1389 	} else
1390 		if ((asprintf(&repo_age, "")) == -1)
1391 			return NULL;
1392 	got_ref_list_free(&refs);
1393 	free(id);
1394 	return repo_age;
1395 err:
1396 	if ((asprintf(&repo_age, "%s", error->msg)) == -1)
1397 		return NULL;
1398 
1399 	return repo_age;
1400 }
1401 
1402 static char *
1403 gw_get_diff(struct gw_trans *gw_trans, struct gw_header *header)
1404 {
1405 	const struct got_error *error;
1406 	FILE *f = NULL;
1407 	struct got_object_id *id1 = NULL, *id2 = NULL;
1408 	struct buf *diffbuf = NULL;
1409 	char *label1 = NULL, *label2 = NULL, *diff_html = NULL, *buf = NULL,
1410 	     *buf_color = NULL, *n_buf = NULL, *newline = NULL;
1411 	int obj_type;
1412 	size_t newsize;
1413 
1414 	f = got_opentemp();
1415 	if (f == NULL)
1416 		return NULL;
1417 
1418 	error = buf_alloc(&diffbuf, 0);
1419 	if (error)
1420 		return NULL;
1421 
1422 	error = got_repo_open(&header->repo, gw_trans->repo_path, NULL);
1423 	if (error)
1424 		goto done;
1425 
1426 	if (strncmp(header->parent_id, "/dev/null", 9) != 0) {
1427 		error = got_repo_match_object_id(&id1, &label1,
1428 			header->parent_id, GOT_OBJ_TYPE_ANY, 1, header->repo);
1429 		if (error)
1430 			goto done;
1431 	}
1432 
1433 	error = got_repo_match_object_id(&id2, &label2,
1434 	    header->commit_id, GOT_OBJ_TYPE_ANY, 1, header->repo);
1435 	if (error)
1436 		goto done;
1437 
1438 	error = got_object_get_type(&obj_type, header->repo, id2);
1439 	if (error)
1440 		goto done;
1441 	switch (obj_type) {
1442 	case GOT_OBJ_TYPE_BLOB:
1443 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL, 3, 0,
1444 		    header->repo, f);
1445 		break;
1446 	case GOT_OBJ_TYPE_TREE:
1447 		error = got_diff_objects_as_trees(id1, id2, "", "", 3, 0,
1448 		    header->repo, f);
1449 		break;
1450 	case GOT_OBJ_TYPE_COMMIT:
1451 		error = got_diff_objects_as_commits(id1, id2, 3, 0,
1452 		    header->repo, f);
1453 		break;
1454 	default:
1455 		error = got_error(GOT_ERR_OBJ_TYPE);
1456 	}
1457 
1458 	if ((buf = calloc(128, sizeof(char *))) == NULL)
1459 		goto done;
1460 
1461 	fseek(f, 0, SEEK_SET);
1462 
1463 	while ((fgets(buf, 2048, f)) != NULL) {
1464 		n_buf = buf;
1465 		while (*n_buf == '\n')
1466 			n_buf++;
1467 		newline = strchr(n_buf, '\n');
1468 		if (newline)
1469 			*newline = ' ';
1470 
1471 		buf_color = gw_colordiff_line(gw_html_escape(n_buf));
1472 		if (buf_color == NULL)
1473 			continue;
1474 
1475 		error = buf_puts(&newsize, diffbuf, buf_color);
1476 		if (error)
1477 			return NULL;
1478 
1479 		error = buf_puts(&newsize, diffbuf, div_end);
1480 		if (error)
1481 			return NULL;
1482 	}
1483 
1484 	if (buf_len(diffbuf) > 0) {
1485 		error = buf_putc(diffbuf, '\0');
1486 		diff_html = strdup(buf_get(diffbuf));
1487 	}
1488 done:
1489 	fclose(f);
1490 	free(buf_color);
1491 	free(buf);
1492 	free(diffbuf);
1493 	free(label1);
1494 	free(label2);
1495 	free(id1);
1496 	free(id2);
1497 
1498 	if (error)
1499 		return NULL;
1500 	else
1501 		return diff_html;
1502 }
1503 
1504 static char *
1505 gw_get_repo_owner(struct gw_trans *gw_trans, char *dir)
1506 {
1507 	FILE *f;
1508 	char *owner = NULL, *d_file = NULL;
1509 	char *gotweb = "[gotweb]", *gitweb = "[gitweb]", *gw_owner = "owner";
1510 	char *comp, *pos, *buf;
1511 	unsigned int i;
1512 
1513 	if (gw_trans->gw_conf->got_show_repo_owner == false)
1514 		goto err;
1515 
1516 	if ((asprintf(&d_file, "%s/config", dir)) == -1)
1517 		goto err;
1518 
1519 	if ((f = fopen(d_file, "r")) == NULL)
1520 		goto err;
1521 
1522 	if ((buf = calloc(128, sizeof(char *))) == NULL)
1523 		goto err;
1524 
1525 	while ((fgets(buf, 128, f)) != NULL) {
1526 		if ((pos = strstr(buf, gotweb)) != NULL)
1527 			break;
1528 
1529 		if ((pos = strstr(buf, gitweb)) != NULL)
1530 			break;
1531 	}
1532 
1533 	if (pos == NULL)
1534 		goto err;
1535 
1536 	do {
1537 		fgets(buf, 128, f);
1538 	} while ((comp = strcasestr(buf, gw_owner)) == NULL);
1539 
1540 	if (comp == NULL)
1541 		goto err;
1542 
1543 	if (strncmp(gw_owner, comp, strlen(gw_owner)) != 0)
1544 		goto err;
1545 
1546 	for (i = 0; i < 2; i++) {
1547 		owner = strsep(&buf, "\"");
1548 	}
1549 
1550 	if (owner == NULL)
1551 		goto err;
1552 
1553 	fclose(f);
1554 	free(d_file);
1555 	return owner;
1556 err:
1557 	if ((asprintf(&owner, "%s", "")) == -1)
1558 		return NULL;
1559 
1560 	return owner;
1561 }
1562 
1563 static char *
1564 gw_get_clone_url(struct gw_trans *gw_trans, char *dir)
1565 {
1566 	FILE *f;
1567 	char *url = NULL, *d_file = NULL;
1568 	unsigned int len;
1569 
1570 	if ((asprintf(&d_file, "%s/cloneurl", dir)) == -1)
1571 		return NULL;
1572 
1573 	if ((f = fopen(d_file, "r")) == NULL)
1574 		return NULL;
1575 
1576 	fseek(f, 0, SEEK_END);
1577 	len = ftell(f) + 1;
1578 	fseek(f, 0, SEEK_SET);
1579 
1580 	if ((url = calloc(len, sizeof(char *))) == NULL)
1581 		return NULL;
1582 
1583 	fread(url, 1, len, f);
1584 	fclose(f);
1585 	free(d_file);
1586 	return url;
1587 }
1588 
1589 static char *
1590 gw_get_repo_tags(struct gw_trans *gw_trans, int limit, int tag_type)
1591 {
1592 	const struct got_error *error = NULL;
1593 	struct got_repository *repo = NULL;
1594 	struct got_reflist_head refs;
1595 	struct got_reflist_entry *re;
1596 	char *tags = NULL, *tag_row = NULL, *tags_navs_disp = NULL,
1597 	     *age = NULL;
1598 	char *newline;
1599 	struct buf *diffbuf = NULL;
1600 	size_t newsize;
1601 
1602 	error = buf_alloc(&diffbuf, 0);
1603 	if (error)
1604 		return NULL;
1605 	SIMPLEQ_INIT(&refs);
1606 
1607 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
1608 	if (error)
1609 		goto done;
1610 
1611 	error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags, repo);
1612 	if (error)
1613 		goto done;
1614 
1615 	SIMPLEQ_FOREACH(re, &refs, entry) {
1616 		const char *refname;
1617 		char *refstr, *tag_commit0, *tag_commit, *id_str;
1618 		time_t tagger_time;
1619 		struct got_object_id *id;
1620 		struct got_tag_object *tag;
1621 
1622 		refname = got_ref_get_name(re->ref);
1623 		if (strncmp(refname, "refs/tags/", 10) != 0)
1624 			continue;
1625 		refname += 10;
1626 		refstr = got_ref_to_str(re->ref);
1627 		if (refstr == NULL) {
1628 			error = got_error_from_errno("got_ref_to_str");
1629 			goto done;
1630 		}
1631 
1632 		error = got_ref_resolve(&id, repo, re->ref);
1633 		if (error)
1634 			goto done;
1635 		error = got_object_open_as_tag(&tag, repo, id);
1636 		free(id);
1637 		if (error)
1638 			goto done;
1639 
1640 		tagger_time = got_object_tag_get_tagger_time(tag);
1641 
1642 		error = got_object_id_str(&id_str,
1643 		    got_object_tag_get_object_id(tag));
1644 		if (error)
1645 			goto done;
1646 
1647 		tag_commit0 = strdup(got_object_tag_get_message(tag));
1648 
1649 		if (tag_commit0 == NULL) {
1650 			error = got_error_from_errno("strdup");
1651 			goto done;
1652 		}
1653 
1654 		tag_commit = tag_commit0;
1655 		while (*tag_commit == '\n')
1656 			tag_commit++;
1657 
1658 		switch (tag_type) {
1659 		case TAGBRIEF:
1660 			newline = strchr(tag_commit, '\n');
1661 			if (newline)
1662 				*newline = '\0';
1663 
1664 			if ((asprintf(&age, "%s", gw_get_time_str(tagger_time,
1665 			    TM_DIFF))) == -1) {
1666 				error = got_error_from_errno("asprintf");
1667 				goto done;
1668 			}
1669 
1670 			if ((asprintf(&tags_navs_disp, tags_navs,
1671 			    gw_trans->repo_name, id_str, gw_trans->repo_name,
1672 			    id_str, gw_trans->repo_name, id_str,
1673 			    gw_trans->repo_name, id_str)) == -1) {
1674 				error = got_error_from_errno("asprintf");
1675 				goto done;
1676 			}
1677 
1678 			if ((asprintf(&tag_row, tags_row, age, refname,
1679 			    tag_commit, tags_navs_disp)) == -1) {
1680 				error = got_error_from_errno("asprintf");
1681 				goto done;
1682 			}
1683 
1684 			free(tags_navs_disp);
1685 			break;
1686 		case TAGFULL:
1687 			break;
1688 		default:
1689 			break;
1690 		}
1691 
1692 		got_object_tag_close(tag);
1693 
1694 		error = buf_puts(&newsize, diffbuf, tag_row);
1695 
1696 		free(id_str);
1697 		free(refstr);
1698 		free(age);
1699 		free(tag_commit0);
1700 		free(tag_row);
1701 
1702 		if (error || (limit && --limit == 0))
1703 			break;
1704 	}
1705 
1706 	if (buf_len(diffbuf) > 0) {
1707 		error = buf_putc(diffbuf, '\0');
1708 		tags = strdup(buf_get(diffbuf));
1709 	}
1710 done:
1711 	buf_free(diffbuf);
1712 	got_ref_list_free(&refs);
1713 	if (repo)
1714 		got_repo_close(repo);
1715 	if (error)
1716 		return NULL;
1717 	else
1718 		return tags;
1719 }
1720 
1721 static void
1722 gw_free_headers(struct gw_header *header)
1723 {
1724 	free(header->id);
1725 	free(header->path);
1726 	if (header->commit != NULL)
1727 		got_object_commit_close(header->commit);
1728 	if (header->repo)
1729 		got_repo_close(header->repo);
1730 	free(header->refs_str);
1731 	free(header->commit_id);
1732 	free(header->parent_id);
1733 	free(header->tree_id);
1734 	free(header->author);
1735 	free(header->committer);
1736 	free(header->commit_msg);
1737 }
1738 
1739 static struct gw_header *
1740 gw_init_header()
1741 {
1742 	struct gw_header *header;
1743 
1744 	if ((header = malloc(sizeof(*header))) == NULL)
1745 		return NULL;
1746 
1747 	header->repo = NULL;
1748 	header->commit = NULL;
1749 	header->id = NULL;
1750 	header->path = NULL;
1751 
1752 	return header;
1753 }
1754 
1755 static const struct got_error *
1756 gw_get_commits(struct gw_trans * gw_trans, struct gw_header *header,
1757     int limit)
1758 {
1759 	const struct got_error *error = NULL;
1760 	struct got_commit_graph *graph = NULL;
1761 
1762 	error = got_commit_graph_open(&graph, header->path, 0);
1763 	if (error)
1764 		goto done;
1765 
1766 	error = got_commit_graph_iter_start(graph, header->id, header->repo,
1767 	    NULL, NULL);
1768 	if (error)
1769 		goto done;
1770 
1771 	for (;;) {
1772 		error = got_commit_graph_iter_next(&header->id, graph,
1773 		    header->repo, NULL, NULL);
1774 		if (error) {
1775 			if (error->code == GOT_ERR_ITER_COMPLETED)
1776 				error = NULL;
1777 			goto done;
1778 		}
1779 		if (header->id == NULL)
1780 			goto done;
1781 
1782 		error = got_object_open_as_commit(&header->commit, header->repo,
1783 		    header->id);
1784 		if (error)
1785 			goto done;
1786 
1787 		error = gw_get_commit(gw_trans, header);
1788 		if (limit > 1) {
1789 			struct gw_header *n_header = NULL;
1790 			if ((n_header = gw_init_header()) == NULL)
1791 				error = got_error_from_errno("malloc");
1792 
1793 			n_header->refs_str = strdup(header->refs_str);
1794 			n_header->commit_id = strdup(header->commit_id);
1795 			n_header->parent_id = strdup(header->parent_id);
1796 			n_header->tree_id = strdup(header->tree_id);
1797 			n_header->author = strdup(header->author);
1798 			n_header->committer = strdup(header->committer);
1799 			n_header->commit_msg = strdup(header->commit_msg);
1800 			n_header->committer_time = header->committer_time;
1801 			TAILQ_INSERT_TAIL(&gw_trans->gw_headers, n_header,
1802 			    entry);
1803 		}
1804 		if (error || (limit && --limit == 0))
1805 			break;
1806 	}
1807 done:
1808 	if (graph)
1809 		got_commit_graph_close(graph);
1810 	return error;
1811 }
1812 
1813 static const struct got_error *
1814 gw_get_commit(struct gw_trans *gw_trans, struct gw_header *header)
1815 {
1816 	const struct got_error *error = NULL;
1817 	struct got_reflist_entry *re;
1818 	struct got_object_id *id2 = NULL;
1819 	struct got_object_qid *parent_id;
1820 	char *refs_str = NULL,
1821 	     *commit_msg = NULL, *commit_msg0;
1822 
1823 	/*print commit*/
1824 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
1825 		char *s;
1826 		const char *name;
1827 		struct got_tag_object *tag = NULL;
1828 		int cmp;
1829 
1830 		name = got_ref_get_name(re->ref);
1831 		if (strcmp(name, GOT_REF_HEAD) == 0)
1832 			continue;
1833 		if (strncmp(name, "refs/", 5) == 0)
1834 			name += 5;
1835 		if (strncmp(name, "got/", 4) == 0)
1836 			continue;
1837 		if (strncmp(name, "heads/", 6) == 0)
1838 			name += 6;
1839 		if (strncmp(name, "remotes/", 8) == 0)
1840 			name += 8;
1841 		if (strncmp(name, "tags/", 5) == 0) {
1842 			error = got_object_open_as_tag(&tag, header->repo,
1843 			    re->id);
1844 			if (error) {
1845 				if (error->code != GOT_ERR_OBJ_TYPE)
1846 					continue;
1847 				/*
1848 				 * Ref points at something other
1849 				 * than a tag.
1850 				 */
1851 				error = NULL;
1852 				tag = NULL;
1853 			}
1854 		}
1855 		cmp = got_object_id_cmp(tag ?
1856 		    got_object_tag_get_object_id(tag) : re->id, header->id);
1857 		if (tag)
1858 			got_object_tag_close(tag);
1859 		if (cmp != 0)
1860 			continue;
1861 		s = refs_str;
1862 		if ((asprintf(&refs_str, "%s%s%s", s ? s : "",
1863 		    s ? ", " : "", name)) == -1) {
1864 			error = got_error_from_errno("asprintf");
1865 			free(s);
1866 			return error;
1867 		}
1868 		header->refs_str = strdup(refs_str);
1869 		free(s);
1870 	}
1871 
1872 	if (refs_str == NULL)
1873 		header->refs_str = strdup("");
1874 	free(refs_str);
1875 
1876 	error = got_object_id_str(&header->commit_id, header->id);
1877 	if (error)
1878 		return error;
1879 
1880 	error = got_object_id_str(&header->tree_id,
1881 	    got_object_commit_get_tree_id(header->commit));
1882 	if (error)
1883 		return error;
1884 
1885 	if (gw_trans->action == GW_DIFF) {
1886 		parent_id = SIMPLEQ_FIRST(
1887 		    got_object_commit_get_parent_ids(header->commit));
1888 		if (parent_id != NULL) {
1889 			id2 = got_object_id_dup(parent_id->id);
1890 			free (parent_id);
1891 			error = got_object_id_str(&header->parent_id, id2);
1892 			if (error)
1893 				return error;
1894 			free(id2);
1895 		} else
1896 			header->parent_id = strdup("/dev/null");
1897 	} else
1898 		header->parent_id = strdup("");
1899 
1900 	header->committer_time =
1901 	    got_object_commit_get_committer_time(header->commit);
1902 	header->author = strdup(got_object_commit_get_author(header->commit));
1903 	header->committer =
1904 	    strdup(got_object_commit_get_committer(header->commit));
1905 
1906 	error = got_object_commit_get_logmsg(&commit_msg0, header->commit);
1907 	if (error)
1908 		return error;
1909 
1910 	commit_msg = commit_msg0;
1911 	while (*commit_msg == '\n')
1912 		commit_msg++;
1913 
1914 	header->commit_msg = strdup(commit_msg);
1915 	free(commit_msg0);
1916 	return error;
1917 }
1918 
1919 static const struct got_error *
1920 gw_get_header(struct gw_trans *gw_trans, struct gw_header *header, int limit)
1921 {
1922 	const struct got_error *error = NULL;
1923 	char *in_repo_path = NULL;
1924 
1925 	error = got_repo_open(&header->repo, gw_trans->repo_path, NULL);
1926 	if (error)
1927 		return error;
1928 
1929 	SIMPLEQ_INIT(&header->refs);
1930 
1931 	if (gw_trans->commit == NULL) {
1932 		struct got_reference *head_ref;
1933 		error = got_ref_open(&head_ref, header->repo,
1934 		    gw_trans->headref, 0);
1935 		if (error)
1936 			return error;
1937 
1938 		error = got_ref_resolve(&header->id, header->repo, head_ref);
1939 		got_ref_close(head_ref);
1940 		if (error)
1941 			return error;
1942 
1943 		error = got_object_open_as_commit(&header->commit,
1944 		    header->repo, header->id);
1945 	} else {
1946 		struct got_reference *ref;
1947 		error = got_ref_open(&ref, header->repo, gw_trans->commit, 0);
1948 		if (error == NULL) {
1949 			int obj_type;
1950 			error = got_ref_resolve(&header->id, header->repo, ref);
1951 			got_ref_close(ref);
1952 			if (error)
1953 				return error;
1954 			error = got_object_get_type(&obj_type, header->repo,
1955 			    header->id);
1956 			if (error)
1957 				return error;
1958 			if (obj_type == GOT_OBJ_TYPE_TAG) {
1959 				struct got_tag_object *tag;
1960 				error = got_object_open_as_tag(&tag,
1961 				    header->repo, header->id);
1962 				if (error)
1963 					return error;
1964 				if (got_object_tag_get_object_type(tag) !=
1965 				    GOT_OBJ_TYPE_COMMIT) {
1966 					got_object_tag_close(tag);
1967 					error = got_error(GOT_ERR_OBJ_TYPE);
1968 					return error;
1969 				}
1970 				free(header->id);
1971 				header->id = got_object_id_dup(
1972 				    got_object_tag_get_object_id(tag));
1973 				if (header->id == NULL)
1974 					error = got_error_from_errno(
1975 					    "got_object_id_dup");
1976 				got_object_tag_close(tag);
1977 				if (error)
1978 					return error;
1979 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
1980 				error = got_error(GOT_ERR_OBJ_TYPE);
1981 				return error;
1982 			}
1983 			error = got_object_open_as_commit(&header->commit,
1984 			    header->repo, header->id);
1985 			if (error)
1986 				return error;
1987 		}
1988 		if (header->commit == NULL) {
1989 			error = got_repo_match_object_id_prefix(&header->id,
1990 			    gw_trans->commit, GOT_OBJ_TYPE_COMMIT,
1991 			    header->repo);
1992 			if (error)
1993 				return error;
1994 		}
1995 		error = got_repo_match_object_id_prefix(&header->id,
1996 			    gw_trans->commit, GOT_OBJ_TYPE_COMMIT,
1997 			    header->repo);
1998 	}
1999 
2000 	error = got_repo_map_path(&in_repo_path, header->repo,
2001 	    gw_trans->repo_path, 1);
2002 	if (error)
2003 		return error;
2004 
2005 	if (in_repo_path) {
2006 		header->path = strdup(in_repo_path);
2007 	}
2008 	free(in_repo_path);
2009 
2010 	error = got_ref_list(&header->refs, header->repo, NULL,
2011 	    got_ref_cmp_by_name, NULL);
2012 	if (error)
2013 		return error;
2014 
2015 	error = gw_get_commits(gw_trans, header, limit);
2016 	return error;
2017 }
2018 
2019 struct blame_line {
2020 	int annotated;
2021 	char *id_str;
2022 	char *committer;
2023 	char datebuf[11]; /* YYYY-MM-DD + NUL */
2024 };
2025 
2026 struct gw_blame_cb_args {
2027 	struct blame_line *lines;
2028 	int nlines;
2029 	int nlines_prec;
2030 	int lineno_cur;
2031 	off_t *line_offsets;
2032 	FILE *f;
2033 	struct got_repository *repo;
2034 	struct gw_trans *gw_trans;
2035 	struct buf *blamebuf;
2036 };
2037 
2038 static const struct got_error *
2039 gw_blame_cb(void *arg, int nlines, int lineno, struct got_object_id *id)
2040 {
2041 	const struct got_error *err = NULL;
2042 	struct gw_blame_cb_args *a = arg;
2043 	struct blame_line *bline;
2044 	char *line = NULL;
2045 	size_t linesize = 0, newsize;
2046 	struct got_commit_object *commit = NULL;
2047 	off_t offset;
2048 	struct tm tm;
2049 	time_t committer_time;
2050 
2051 	if (nlines != a->nlines ||
2052 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
2053 		return got_error(GOT_ERR_RANGE);
2054 
2055 	if (lineno == -1)
2056 		return NULL; /* no change in this commit */
2057 
2058 	/* Annotate this line. */
2059 	bline = &a->lines[lineno - 1];
2060 	if (bline->annotated)
2061 		return NULL;
2062 	err = got_object_id_str(&bline->id_str, id);
2063 	if (err)
2064 		return err;
2065 
2066 	err = got_object_open_as_commit(&commit, a->repo, id);
2067 	if (err)
2068 		goto done;
2069 
2070 	bline->committer = strdup(got_object_commit_get_committer(commit));
2071 	if (bline->committer == NULL) {
2072 		err = got_error_from_errno("strdup");
2073 		goto done;
2074 	}
2075 
2076 	committer_time = got_object_commit_get_committer_time(commit);
2077 	if (localtime_r(&committer_time, &tm) == NULL)
2078 		return got_error_from_errno("localtime_r");
2079 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
2080 	    &tm) >= sizeof(bline->datebuf)) {
2081 		err = got_error(GOT_ERR_NO_SPACE);
2082 		goto done;
2083 	}
2084 	bline->annotated = 1;
2085 
2086 	/* Print lines annotated so far. */
2087 	bline = &a->lines[a->lineno_cur - 1];
2088 	if (!bline->annotated)
2089 		goto done;
2090 
2091 	offset = a->line_offsets[a->lineno_cur - 1];
2092 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
2093 		err = got_error_from_errno("fseeko");
2094 		goto done;
2095 	}
2096 
2097 	while (bline->annotated) {
2098 		char *smallerthan, *at, *nl, *committer, *blame_row = NULL,
2099 		     *line_escape = NULL;
2100 		size_t len;
2101 
2102 		if (getline(&line, &linesize, a->f) == -1) {
2103 			if (ferror(a->f))
2104 				err = got_error_from_errno("getline");
2105 			break;
2106 		}
2107 
2108 		committer = bline->committer;
2109 		smallerthan = strchr(committer, '<');
2110 		if (smallerthan && smallerthan[1] != '\0')
2111 			committer = smallerthan + 1;
2112 		at = strchr(committer, '@');
2113 		if (at)
2114 			*at = '\0';
2115 		len = strlen(committer);
2116 		if (len >= 9)
2117 			committer[8] = '\0';
2118 
2119 		nl = strchr(line, '\n');
2120 		if (nl)
2121 			*nl = '\0';
2122 
2123 		if (strcmp(line, "") != 0)
2124 			line_escape = strdup(gw_html_escape(line));
2125 		else
2126 			line_escape = strdup("");
2127 
2128 		asprintf(&blame_row, blame_line, a->nlines_prec,
2129 		    a->lineno_cur, bline->id_str, bline->datebuf, committer,
2130 		    line_escape);
2131 		a->lineno_cur++;
2132 		err = buf_puts(&newsize, a->blamebuf, blame_row);
2133 		if (err)
2134 			return err;
2135 
2136 		bline = &a->lines[a->lineno_cur - 1];
2137 		free(line_escape);
2138 		free(blame_row);
2139 	}
2140 done:
2141 	if (commit)
2142 		got_object_commit_close(commit);
2143 	free(line);
2144 	return err;
2145 }
2146 
2147 static char*
2148 gw_get_file_blame(struct gw_trans *gw_trans)
2149 {
2150 	const struct got_error *error = NULL;
2151 	struct got_repository *repo = NULL;
2152 	struct got_object_id *obj_id = NULL;
2153 	struct got_object_id *commit_id = NULL;
2154 	struct got_blob_object *blob = NULL;
2155 	char *blame_html = NULL, *path = NULL, *in_repo_path = NULL,
2156 	     *folder = NULL;
2157 	struct gw_blame_cb_args bca;
2158 	int i, obj_type;
2159 	size_t filesize;
2160 
2161 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2162 	if (error)
2163 		goto done;
2164 
2165 	if (gw_trans->repo_folder != NULL) {
2166 		if ((asprintf(&folder, "%s/", gw_trans->repo_folder)) == -1) {
2167 			error = got_error_from_errno("asprintf");
2168 			goto done;
2169 		}
2170 	} else
2171 		folder = strdup("");
2172 
2173 	if ((asprintf(&path, "%s%s", folder, gw_trans->repo_file)) == -1) {
2174 		error = got_error_from_errno("asprintf");
2175 		goto done;
2176 	}
2177 	free(folder);
2178 
2179 	error = got_repo_map_path(&in_repo_path, repo, path, 1);
2180 	if (error)
2181 		goto done;
2182 
2183 	error = got_repo_match_object_id(&commit_id, NULL, gw_trans->commit,
2184 	    GOT_OBJ_TYPE_COMMIT, 1, repo);
2185 	if (error)
2186 		goto done;
2187 
2188 	error = got_object_id_by_path(&obj_id, repo, commit_id, in_repo_path);
2189 	if (error)
2190 		goto done;
2191 
2192 	if (obj_id == NULL) {
2193 		error = got_error(GOT_ERR_NO_OBJ);
2194 		goto done;
2195 	}
2196 
2197 	error = got_object_get_type(&obj_type, repo, obj_id);
2198 	if (error)
2199 		goto done;
2200 
2201 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
2202 		error = got_error(GOT_ERR_OBJ_TYPE);
2203 		goto done;
2204 	}
2205 
2206 	error = got_object_open_as_blob(&blob, repo, obj_id, 8192);
2207 	if (error)
2208 		goto done;
2209 
2210 	error = buf_alloc(&bca.blamebuf, 0);
2211 	if (error)
2212 		goto done;
2213 
2214 	bca.f = got_opentemp();
2215 	if (bca.f == NULL) {
2216 		error = got_error_from_errno("got_opentemp");
2217 		goto done;
2218 	}
2219 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
2220 	    &bca.line_offsets, bca.f, blob);
2221 	if (error || bca.nlines == 0)
2222 		goto done;
2223 
2224 	/* Don't include \n at EOF in the blame line count. */
2225 	if (bca.line_offsets[bca.nlines - 1] == filesize)
2226 		bca.nlines--;
2227 
2228 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
2229 	if (bca.lines == NULL) {
2230 		error = got_error_from_errno("calloc");
2231 		goto done;
2232 	}
2233 	bca.lineno_cur = 1;
2234 	bca.nlines_prec = 0;
2235 	i = bca.nlines;
2236 	while (i > 0) {
2237 		i /= 10;
2238 		bca.nlines_prec++;
2239 	}
2240 	bca.repo = repo;
2241 	bca.gw_trans = gw_trans;
2242 
2243 	error = got_blame(in_repo_path, commit_id, repo, gw_blame_cb, &bca,
2244 	    NULL, NULL);
2245 	if (buf_len(bca.blamebuf) > 0) {
2246 		error = buf_putc(bca.blamebuf, '\0');
2247 		blame_html = strdup(buf_get(bca.blamebuf));
2248 	}
2249 done:
2250 	free(bca.blamebuf);
2251 	free(in_repo_path);
2252 	free(commit_id);
2253 	free(obj_id);
2254 	free(path);
2255 
2256 	if (blob)
2257 		error = got_object_blob_close(blob);
2258 	if (repo)
2259 		error = got_repo_close(repo);
2260 	if (error)
2261 		return NULL;
2262 	if (bca.lines) {
2263 		for (i = 0; i < bca.nlines; i++) {
2264 			struct blame_line *bline = &bca.lines[i];
2265 			free(bline->id_str);
2266 			free(bline->committer);
2267 		}
2268 		free(bca.lines);
2269 	}
2270 	free(bca.line_offsets);
2271 	if (bca.f && fclose(bca.f) == EOF && error == NULL)
2272 		error = got_error_from_errno("fclose");
2273 	if (error)
2274 		return NULL;
2275 	else
2276 		return blame_html;
2277 }
2278 
2279 static char*
2280 gw_get_repo_tree(struct gw_trans *gw_trans)
2281 {
2282 	const struct got_error *error = NULL;
2283 	struct got_repository *repo = NULL;
2284 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
2285 	struct got_tree_object *tree = NULL;
2286 	struct buf *diffbuf = NULL;
2287 	size_t newsize;
2288 	char *tree_html = NULL, *path = NULL, *in_repo_path = NULL,
2289 	    *tree_row = NULL, *id_str;
2290 	int nentries, i;
2291 
2292 	error = buf_alloc(&diffbuf, 0);
2293 	if (error)
2294 		return NULL;
2295 
2296 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2297 	if (error)
2298 		goto done;
2299 
2300 	error = got_repo_map_path(&in_repo_path, repo, gw_trans->repo_path, 1);
2301 	if (error)
2302 		goto done;
2303 
2304 	if (gw_trans->repo_folder != NULL)
2305 		path = strdup(gw_trans->repo_folder);
2306 	else if (in_repo_path) {
2307 		free(path);
2308 		path = in_repo_path;
2309 	}
2310 
2311 	if (gw_trans->commit == NULL) {
2312 		struct got_reference *head_ref;
2313 		error = got_ref_open(&head_ref, repo, gw_trans->headref, 0);
2314 		if (error)
2315 			goto done;
2316 
2317 		error = got_ref_resolve(&commit_id, repo, head_ref);
2318 		got_ref_close(head_ref);
2319 
2320 	} else
2321 		error = got_repo_match_object_id(&commit_id, NULL,
2322 		    gw_trans->commit, GOT_OBJ_TYPE_COMMIT, 1, repo);
2323 	if (error)
2324 		goto done;
2325 
2326 	error = got_object_id_str(&gw_trans->commit, commit_id);
2327 	if (error)
2328 		goto done;
2329 
2330 	error = got_object_id_by_path(&tree_id, repo, commit_id, path);
2331 	if (error)
2332 		goto done;
2333 
2334 	error = got_object_open_as_tree(&tree, repo, tree_id);
2335 	if (error)
2336 		goto done;
2337 
2338 	nentries = got_object_tree_get_nentries(tree);
2339 
2340 	for (i = 0; i < nentries; i++) {
2341 		struct got_tree_entry *te;
2342 		const char *modestr = "";
2343 		char *id = NULL, *url_html = NULL;
2344 
2345 		te = got_object_tree_get_entry(tree, i);
2346 
2347 		error = got_object_id_str(&id_str, got_tree_entry_get_id(te));
2348 		if (error)
2349 			goto done;
2350 
2351 		if ((asprintf(&id, "%s", id_str)) == -1) {
2352 			error = got_error_from_errno("asprintf");
2353 			free(id_str);
2354 			goto done;
2355 		}
2356 
2357 		mode_t mode = got_tree_entry_get_mode(te);
2358 
2359 		if (got_object_tree_entry_is_submodule(te))
2360 			modestr = "$";
2361 		else if (S_ISLNK(mode))
2362 			modestr = "@";
2363 		else if (S_ISDIR(mode))
2364 			modestr = "/";
2365 		else if (mode & S_IXUSR)
2366 			modestr = "*";
2367 
2368 		char *build_folder = NULL;
2369 		if (S_ISDIR(got_tree_entry_get_mode(te))) {
2370 			if (gw_trans->repo_folder != NULL) {
2371 				if ((asprintf(&build_folder, "%s/%s",
2372 				    gw_trans->repo_folder,
2373 				    got_tree_entry_get_name(te))) == -1) {
2374 					error =
2375 					    got_error_from_errno("asprintf");
2376 					goto done;
2377 				}
2378 			} else {
2379 				if (asprintf(&build_folder, "%s",
2380 				    got_tree_entry_get_name(te)) == -1)
2381 					goto done;
2382 			}
2383 
2384 			if ((asprintf(&url_html, folder_html,
2385 			    gw_trans->repo_name, gw_trans->action_name,
2386 			    gw_trans->commit, build_folder,
2387 			    got_tree_entry_get_name(te), modestr)) == -1) {
2388 				error = got_error_from_errno("asprintf");
2389 				goto done;
2390 			}
2391 		} else {
2392 			if (gw_trans->repo_folder != NULL) {
2393 				if ((asprintf(&build_folder, "%s",
2394 				    gw_trans->repo_folder)) == -1) {
2395 					error =
2396 					    got_error_from_errno("asprintf");
2397 					goto done;
2398 				}
2399 			} else
2400 				build_folder = strdup("");
2401 
2402 			if ((asprintf(&url_html, file_html, gw_trans->repo_name,
2403 			    "blame", gw_trans->commit,
2404 			    got_tree_entry_get_name(te), build_folder,
2405 			    got_tree_entry_get_name(te), modestr)) == -1) {
2406 				error = got_error_from_errno("asprintf");
2407 				goto done;
2408 			}
2409 		}
2410 		free(build_folder);
2411 
2412 		if (error)
2413 			goto done;
2414 
2415 		if ((asprintf(&tree_row, tree_line, url_html)) == -1) {
2416 			error = got_error_from_errno("asprintf");
2417 			goto done;
2418 		}
2419 		error = buf_puts(&newsize, diffbuf, tree_row);
2420 		if (error)
2421 			goto done;
2422 
2423 		free(id);
2424 		free(id_str);
2425 		free(url_html);
2426 		free(tree_row);
2427 	}
2428 
2429 	if (buf_len(diffbuf) > 0) {
2430 		error = buf_putc(diffbuf, '\0');
2431 		tree_html = strdup(buf_get(diffbuf));
2432 	}
2433 done:
2434 	if (tree)
2435 		got_object_tree_close(tree);
2436 	if (repo)
2437 		got_repo_close(repo);
2438 
2439 	free(in_repo_path);
2440 	free(tree_id);
2441 	free(diffbuf);
2442 	if (error)
2443 		return NULL;
2444 	else
2445 		return tree_html;
2446 }
2447 
2448 static char *
2449 gw_get_repo_heads(struct gw_trans *gw_trans)
2450 {
2451 	const struct got_error *error = NULL;
2452 	struct got_repository *repo = NULL;
2453 	struct got_reflist_head refs;
2454 	struct got_reflist_entry *re;
2455 	char *heads, *head_row = NULL, *head_navs_disp = NULL, *age = NULL;
2456 	struct buf *diffbuf = NULL;
2457 	size_t newsize;
2458 
2459 	error = buf_alloc(&diffbuf, 0);
2460 	if (error)
2461 		return NULL;
2462 
2463 	error = got_repo_open(&repo, gw_trans->repo_path, NULL);
2464 	if (error)
2465 		goto done;
2466 
2467 	SIMPLEQ_INIT(&refs);
2468 	error = got_ref_list(&refs, repo, "refs/heads", got_ref_cmp_by_name,
2469 	    NULL);
2470 	if (error)
2471 		goto done;
2472 
2473 	SIMPLEQ_FOREACH(re, &refs, entry) {
2474 		char *refname;
2475 
2476 		refname = strdup(got_ref_get_name(re->ref));
2477 		if (refname == NULL) {
2478 			error = got_error_from_errno("got_ref_to_str");
2479 			goto done;
2480 		}
2481 
2482 		if (strncmp(refname, "refs/heads/", 11) != 0) {
2483 			free(refname);
2484 			continue;
2485 		}
2486 
2487 		age = gw_get_repo_age(gw_trans, gw_trans->gw_dir->path, refname,
2488 		    TM_DIFF);
2489 
2490 		if ((asprintf(&head_navs_disp, heads_navs, gw_trans->repo_name,
2491 		    refname, gw_trans->repo_name, refname,
2492 		    gw_trans->repo_name, refname, gw_trans->repo_name,
2493 		    refname)) == -1) {
2494 			error = got_error_from_errno("asprintf");
2495 			goto done;
2496 		}
2497 
2498 		if (strncmp(refname, "refs/heads/", 11) == 0)
2499 			refname += 11;
2500 
2501 		if ((asprintf(&head_row, heads_row, age, refname,
2502 		    head_navs_disp)) == -1) {
2503 			error = got_error_from_errno("asprintf");
2504 			goto done;
2505 		}
2506 
2507 		error = buf_puts(&newsize, diffbuf, head_row);
2508 
2509 		free(head_navs_disp);
2510 		free(head_row);
2511 	}
2512 
2513 	if (buf_len(diffbuf) > 0) {
2514 		error = buf_putc(diffbuf, '\0');
2515 		heads = strdup(buf_get(diffbuf));
2516 	}
2517 done:
2518 	buf_free(diffbuf);
2519 	got_ref_list_free(&refs);
2520 	if (repo)
2521 		got_repo_close(repo);
2522 	if (error)
2523 		return NULL;
2524 	else
2525 		return heads;
2526 }
2527 
2528 static char *
2529 gw_get_got_link(struct gw_trans *gw_trans)
2530 {
2531 	char *link;
2532 
2533 	if ((asprintf(&link, got_link, gw_trans->gw_conf->got_logo_url,
2534 	    gw_trans->gw_conf->got_logo)) == -1)
2535 		return NULL;
2536 
2537 	return link;
2538 }
2539 
2540 static char *
2541 gw_get_site_link(struct gw_trans *gw_trans)
2542 {
2543 	char *link, *repo = "", *action = "";
2544 
2545 	if (gw_trans->repo_name != NULL)
2546 		if ((asprintf(&repo, " / <a href='?path=%s&action=summary'>%s" \
2547 		    "</a>", gw_trans->repo_name, gw_trans->repo_name)) == -1)
2548 			return NULL;
2549 
2550 	if (gw_trans->action_name != NULL)
2551 		if ((asprintf(&action, " / %s", gw_trans->action_name)) == -1)
2552 			return NULL;
2553 
2554 	if ((asprintf(&link, site_link, GOTWEB,
2555 	    gw_trans->gw_conf->got_site_link, repo, action)) == -1)
2556 		return NULL;
2557 
2558 	return link;
2559 }
2560 
2561 static char *
2562 gw_colordiff_line(char *buf)
2563 {
2564 	const struct got_error *error = NULL;
2565 	char *colorized_line = NULL, *div_diff_line_div = NULL, *color = NULL;
2566 	struct buf *diffbuf = NULL;
2567 	size_t newsize;
2568 
2569 	error = buf_alloc(&diffbuf, 0);
2570 	if (error)
2571 		return NULL;
2572 
2573 	if (buf == NULL)
2574 		return NULL;
2575 	if (strncmp(buf, "-", 1) == 0)
2576 		color = "diff_minus";
2577 	if (strncmp(buf, "+", 1) == 0)
2578 		color = "diff_plus";
2579 	if (strncmp(buf, "@@", 2) == 0)
2580 		color = "diff_chunk_header";
2581 	if (strncmp(buf, "@@", 2) == 0)
2582 		color = "diff_chunk_header";
2583 	if (strncmp(buf, "commit +", 8) == 0)
2584 		color = "diff_meta";
2585 	if (strncmp(buf, "commit -", 8) == 0)
2586 		color = "diff_meta";
2587 	if (strncmp(buf, "blob +", 6) == 0)
2588 		color = "diff_meta";
2589 	if (strncmp(buf, "blob -", 6) == 0)
2590 		color = "diff_meta";
2591 	if (strncmp(buf, "file +", 6) == 0)
2592 		color = "diff_meta";
2593 	if (strncmp(buf, "file -", 6) == 0)
2594 		color = "diff_meta";
2595 	if (strncmp(buf, "from:", 5) == 0)
2596 		color = "diff_author";
2597 	if (strncmp(buf, "via:", 4) == 0)
2598 		color = "diff_author";
2599 	if (strncmp(buf, "date:", 5) == 0)
2600 		color = "diff_date";
2601 
2602 	if ((asprintf(&div_diff_line_div, div_diff_line, color)) == -1)
2603 		return NULL;
2604 
2605 	error = buf_puts(&newsize, diffbuf, div_diff_line_div);
2606 	if (error)
2607 		return NULL;
2608 
2609 	error = buf_puts(&newsize, diffbuf, buf);
2610 	if (error)
2611 		return NULL;
2612 
2613 	if (buf_len(diffbuf) > 0) {
2614 		error = buf_putc(diffbuf, '\0');
2615 		colorized_line = strdup(buf_get(diffbuf));
2616 	}
2617 
2618 	free(diffbuf);
2619 	free(div_diff_line_div);
2620 	return colorized_line;
2621 }
2622 
2623 static char *
2624 gw_html_escape(const char *html)
2625 {
2626 	char *escaped_str = NULL, *buf;
2627 	char c[1];
2628 	size_t sz, i, buff_sz = 2048;
2629 
2630 	if ((buf = calloc(buff_sz, sizeof(char *))) == NULL)
2631 		return NULL;
2632 
2633 	if (html == NULL)
2634 		return NULL;
2635 	else
2636 		if ((sz = strlen(html)) == 0)
2637 			return NULL;
2638 
2639 	/* only work with buff_sz */
2640 	if (buff_sz < sz)
2641 		sz = buff_sz;
2642 
2643 	for (i = 0; i < sz; i++) {
2644 		c[0] = html[i];
2645 		switch (c[0]) {
2646 		case ('>'):
2647 			strcat(buf, "&gt;");
2648 			break;
2649 		case ('&'):
2650 			strcat(buf, "&amp;");
2651 			break;
2652 		case ('<'):
2653 			strcat(buf, "&lt;");
2654 			break;
2655 		case ('"'):
2656 			strcat(buf, "&quot;");
2657 			break;
2658 		case ('\''):
2659 			strcat(buf, "&apos;");
2660 			break;
2661 		case ('\n'):
2662 			strcat(buf, "<br />");
2663 		default:
2664 			strcat(buf, &c[0]);
2665 			break;
2666 		}
2667 	}
2668 	asprintf(&escaped_str, "%s", buf);
2669 	free(buf);
2670 	return escaped_str;
2671 }
2672 
2673 int
2674 main(int argc, char *argv[])
2675 {
2676 	const struct got_error *error = NULL;
2677 	struct gw_trans *gw_trans;
2678 	struct gw_dir *dir = NULL, *tdir;
2679 	const char *page = "index";
2680 	int gw_malloc = 1;
2681 	enum kcgi_err kerr;
2682 
2683 	if ((gw_trans = malloc(sizeof(struct gw_trans))) == NULL)
2684 		errx(1, "malloc");
2685 
2686 	if ((gw_trans->gw_req = malloc(sizeof(struct kreq))) == NULL)
2687 		errx(1, "malloc");
2688 
2689 	if ((gw_trans->gw_html_req = malloc(sizeof(struct khtmlreq))) == NULL)
2690 		errx(1, "malloc");
2691 
2692 	if ((gw_trans->gw_tmpl = malloc(sizeof(struct ktemplate))) == NULL)
2693 		errx(1, "malloc");
2694 
2695 	kerr = khttp_parse(gw_trans->gw_req, gw_keys, KEY__ZMAX, &page, 1, 0);
2696 	if (kerr != KCGI_OK) {
2697 		error = gw_kcgi_error(kerr);
2698 		goto err;
2699 	}
2700 
2701 	if ((gw_trans->gw_conf =
2702 	    malloc(sizeof(struct gotweb_conf))) == NULL) {
2703 		gw_malloc = 0;
2704 		error = got_error_from_errno("malloc");
2705 		goto err;
2706 	}
2707 
2708 	TAILQ_INIT(&gw_trans->gw_dirs);
2709 	TAILQ_INIT(&gw_trans->gw_headers);
2710 
2711 	gw_trans->page = 0;
2712 	gw_trans->repos_total = 0;
2713 	gw_trans->repo_path = NULL;
2714 	gw_trans->commit = NULL;
2715 	gw_trans->headref = strdup(GOT_REF_HEAD);
2716 	gw_trans->mime = KMIME_TEXT_HTML;
2717 	gw_trans->gw_tmpl->key = gw_templs;
2718 	gw_trans->gw_tmpl->keysz = TEMPL__MAX;
2719 	gw_trans->gw_tmpl->arg = gw_trans;
2720 	gw_trans->gw_tmpl->cb = gw_template;
2721 	error = parse_conf(GOTWEB_CONF, gw_trans->gw_conf);
2722 
2723 err:
2724 	if (error) {
2725 		gw_trans->mime = KMIME_TEXT_PLAIN;
2726 		gw_trans->action = GW_ERR;
2727 		gw_display_index(gw_trans, error);
2728 		goto done;
2729 	}
2730 
2731 	error = gw_parse_querystring(gw_trans);
2732 	if (error)
2733 		goto err;
2734 
2735 	error = gw_display_index(gw_trans, error);
2736 	if (error)
2737 		goto err;
2738 
2739 done:
2740 	if (gw_malloc) {
2741 		free(gw_trans->gw_conf->got_repos_path);
2742 		free(gw_trans->gw_conf->got_www_path);
2743 		free(gw_trans->gw_conf->got_site_name);
2744 		free(gw_trans->gw_conf->got_site_owner);
2745 		free(gw_trans->gw_conf->got_site_link);
2746 		free(gw_trans->gw_conf->got_logo);
2747 		free(gw_trans->gw_conf->got_logo_url);
2748 		free(gw_trans->gw_conf);
2749 		free(gw_trans->commit);
2750 		free(gw_trans->repo_path);
2751 		free(gw_trans->repo_name);
2752 		free(gw_trans->repo_file);
2753 		free(gw_trans->action_name);
2754 		free(gw_trans->headref);
2755 
2756 		TAILQ_FOREACH_SAFE(dir, &gw_trans->gw_dirs, entry, tdir) {
2757 			free(dir->name);
2758 			free(dir->description);
2759 			free(dir->age);
2760 			free(dir->url);
2761 			free(dir->path);
2762 			free(dir);
2763 		}
2764 
2765 	}
2766 
2767 	khttp_free(gw_trans->gw_req);
2768 	return EXIT_SUCCESS;
2769 }