2 * Copyright (c) 2016, 2019, 2020-2022 Tracey Emery <tracey@traceyemery.net>
3 * Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
4 * Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
5 * Copyright (c) 2013 Florian Obser <florian@openbsd.org>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <netinet/in.h>
22 #include <sys/queue.h>
28 #define dprintf(x...) do { log_debug(x); } while(0)
34 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
37 /* GOTWEBD DEFAULTS */
38 #define GOTWEBD_CONF "/etc/gotwebd.conf"
40 #define GOTWEBD_USER "www"
42 #define GOTWEBD_MAXDESCRSZ 1024
43 #define GOTWEBD_MAXCLONEURLSZ 1024
44 #define GOTWEBD_CACHESIZE 1024
45 #define GOTWEBD_MAXCLIENTS 1024
46 #define GOTWEBD_MAXTEXT 511
47 #define GOTWEBD_MAXNAME 64
48 #define GOTWEBD_MAXPORT 6
49 #define GOTWEBD_NUMPROC 3
50 #define GOTWEBD_MAXIFACE 16
51 #define GOTWEBD_REPO_CACHESIZE 4
54 #define MAX_QUERYSTRING 2048
55 #define MAX_DOCUMENT_URI 255
56 #define MAX_SERVER_NAME 255
58 #define GOTWEB_GIT_DIR ".git"
60 #define D_HTTPD_CHROOT "/var/www"
61 #define D_UNIX_SOCKET "/run/gotweb.sock"
62 #define D_FCGI_PORT "9000"
63 #define D_GOTPATH "/got/public"
64 #define D_SITENAME "Gotweb"
65 #define D_SITEOWNER "Got Owner"
66 #define D_SITELINK "Repos"
67 #define D_GOTLOGO "got.png"
68 #define D_GOTURL "https://gameoftrees.org"
69 #define D_GOTWEBCSS "gotweb.css"
71 #define D_SHOWROWNER 1
72 #define D_SHOWSOWNER 1
76 #define D_RESPECTEXPORTOK 0
78 #define D_MAXREPODISP 25
79 #define D_MAXSLCOMMDISP 10
80 #define D_MAXCOMMITDISP 25
84 #define TIMEOUT_DEFAULT 120
86 #define FCGI_CONTENT_SIZE 65535
87 #define FCGI_PADDING_SIZE 255
88 #define FCGI_RECORD_SIZE \
89 (sizeof(struct fcgi_record_header) + FCGI_CONTENT_SIZE + FCGI_PADDING_SIZE)
91 #define FCGI_ALIGNMENT 8
92 #define FCGI_ALIGN(n) \
93 (((n) + (FCGI_ALIGNMENT - 1)) & ~(FCGI_ALIGNMENT - 1))
98 #define FCGI_BEGIN_REQUEST 1
99 #define FCGI_ABORT_REQUEST 2
100 #define FCGI_END_REQUEST 3
101 #define FCGI_PARAMS 4
103 #define FCGI_STDOUT 6
104 #define FCGI_STDERR 7
106 #define FCGI_GET_VALUES 9
107 #define FCGI_GET_VALUES_RESULT 10
108 #define FCGI_UNKNOWN_TYPE 11
109 #define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
111 #define FCGI_REQUEST_COMPLETE 0
112 #define FCGI_CANT_MPX_CONN 1
113 #define FCGI_OVERLOADED 2
114 #define FCGI_UNKNOWN_ROLE 3
116 #define GOTWEB_PACK_NUM_TEMPFILES 32
119 IMSG_CFG_SRV = IMSG_PROC_MAX,
127 SLIST_ENTRY(env_val) entry;
130 SLIST_HEAD(env_head, env_val);
132 struct fcgi_record_header {
136 uint16_t content_len;
139 }__attribute__((__packed__));
151 TAILQ_ENTRY(repo_tag) entry;
161 TAILQ_ENTRY(repo_commit) entry;
164 char *commit_id; /* id_str1 */
165 char *parent_id; /* id_str2 */
170 time_t committer_time;
173 struct got_repository;
175 TAILQ_HEAD(repo_commits_head, repo_commit) repo_commits;
176 TAILQ_HEAD(repo_tags_head, repo_tag) repo_tags;
177 struct got_repository *repo;
178 struct repo_dir *repo_dir;
179 struct querystring *qs;
182 unsigned int repos_total;
183 unsigned int next_disp;
184 unsigned int prev_disp;
185 unsigned int tag_count;
188 enum socket_priv_fds {
216 int priv_fd[PRIV_FDS__MAX];
218 uint8_t buf[FCGI_RECORD_SIZE];
222 uint8_t outbuf[GOTWEBD_CACHESIZE];
225 char querystring[MAX_QUERYSTRING];
226 char http_host[GOTWEBD_MAXTEXT];
227 char document_uri[MAX_DOCUMENT_URI];
228 char server_name[MAX_SERVER_NAME];
231 uint8_t request_started;
234 struct fcgi_begin_request_body {
238 }__attribute__((__packed__));
240 struct fcgi_end_request_body {
242 uint8_t protocol_status;
244 }__attribute__((__packed__));
247 TAILQ_ENTRY(address) entry;
248 struct sockaddr_storage ss;
252 char ifname[IFNAMSIZ];
254 TAILQ_HEAD(addresslist, address);
258 struct got_repository *repo;
262 TAILQ_ENTRY(server) entry;
263 struct addresslist al;
265 struct cached_repo *cached_repos;
268 char name[GOTWEBD_MAXTEXT];
270 char repos_path[PATH_MAX];
271 char site_name[GOTWEBD_MAXNAME];
272 char site_owner[GOTWEBD_MAXNAME];
273 char site_link[GOTWEBD_MAXTEXT];
274 char logo[GOTWEBD_MAXTEXT];
275 char logo_url[GOTWEBD_MAXTEXT];
276 char custom_css[PATH_MAX];
279 size_t max_repos_display;
280 size_t max_commits_display;
285 int show_repo_description;
286 int show_repo_cloneurl;
287 int respect_exportok;
290 char unix_socket_name[PATH_MAX];
294 TAILQ_HEAD(serverlist, server);
304 char name[GOTWEBD_MAXTEXT];
305 char srv_name[GOTWEBD_MAXTEXT];
309 char unix_socket_name[PATH_MAX];
310 in_port_t fcgi_socket_port;
314 TAILQ_ENTRY(socket) entry;
315 struct socket_conf conf;
318 int pack_fds[GOTWEB_PACK_NUM_TEMPFILES];
319 int priv_fd[PRIV_FDS__MAX];
327 TAILQ_HEAD(socketlist, socket);
330 struct serverlist servers;
331 struct socketlist sockets;
333 struct privsep *gotwebd_ps;
334 const char *gotwebd_conffile;
338 int gotwebd_noaction;
340 uint16_t prefork_gotwebd;
345 char httpd_chroot[PATH_MAX];
348 char unix_socket_name[PATH_MAX];
352 * URL parameter for gotweb_link. NULL values and int set to -1 are
353 * implicitly ignored, and string are properly escaped.
381 struct querystring_keys {
391 enum querystring_elements {
426 extern struct gotwebd *gotwebd_env;
429 void sockets(struct privsep *, struct privsep_proc *);
430 void sockets_shutdown(void);
431 void sockets_parse_sockets(struct gotwebd *);
432 void sockets_socket_accept(int, short, void *);
433 int sockets_privinit(struct gotwebd *, struct socket *);
436 const struct got_error *gotweb_render_content_type(struct request *,
438 const struct got_error
439 *gotweb_render_content_type_file(struct request *, const uint8_t *, char *);
440 void gotweb_get_navs(struct request *, struct gotweb_url *, int *,
441 struct gotweb_url *, int *);
442 const struct got_error *gotweb_get_time_str(char **, time_t, int);
443 const struct got_error *gotweb_init_transport(struct transport **);
444 const struct got_error *gotweb_escape_html(char **, const char *);
445 const char *gotweb_action_name(int);
446 int gotweb_render_url(struct request *, struct gotweb_url *);
447 int gotweb_render_absolute_url(struct request *, struct gotweb_url *);
448 int gotweb_link(struct request *, struct gotweb_url *, const char *, ...)
449 __attribute__((__format__(printf, 3, 4)))
450 __attribute__((__nonnull__(3)));
451 void gotweb_free_repo_commit(struct repo_commit *);
452 void gotweb_free_repo_tag(struct repo_tag *);
453 void gotweb_process_request(struct request *);
454 void gotweb_free_transport(struct transport *);
457 int gotweb_render_header(struct template *);
458 int gotweb_render_footer(struct template *);
459 int gotweb_render_repo_table_hdr(struct template *);
460 int gotweb_render_repo_fragment(struct template *, struct repo_dir *);
461 int gotweb_render_briefs(struct template *);
462 int gotweb_render_navs(struct template *);
463 int gotweb_render_commits(struct template *);
464 int gotweb_render_rss(struct template *);
467 int parse_config(const char *, struct gotwebd *);
468 int cmdline_symset(char *);
471 void fcgi_request(int, short, void *);
472 void fcgi_timeout(int, short, void *);
473 void fcgi_cleanup_request(struct request *);
474 void fcgi_create_end_record(struct request *);
475 void dump_fcgi_record(const char *, struct fcgi_record_header *);
476 int fcgi_puts(struct template *, const char *);
477 int fcgi_putc(struct template *, int);
478 int fcgi_vprintf(struct request *, const char *, va_list);
479 int fcgi_printf(struct request *, const char *, ...)
480 __attribute__((__format__(printf, 2, 3)))
481 __attribute__((__nonnull__(2)));
482 int fcgi_gen_binary_response(struct request *, const uint8_t *, int);
484 /* got_operations.c */
485 const struct got_error *got_get_repo_owner(char **, struct request *);
486 const struct got_error *got_get_repo_age(char **, struct request *,
488 const struct got_error *got_get_repo_commits(struct request *, int);
489 const struct got_error *got_get_repo_tags(struct request *, int);
490 const struct got_error *got_get_repo_heads(struct request *);
491 const struct got_error *got_output_repo_diff(struct request *);
492 const struct got_error *got_output_repo_tree(struct request *);
493 const struct got_error *got_output_file_blob(struct request *);
494 const struct got_error *got_output_file_blame(struct request *);
497 int config_setserver(struct gotwebd *, struct server *);
498 int config_getserver(struct gotwebd *, struct imsg *);
499 int config_setsock(struct gotwebd *, struct socket *);
500 int config_getsock(struct gotwebd *, struct imsg *);
501 int config_setfd(struct gotwebd *, struct socket *);
502 int config_getfd(struct gotwebd *, struct imsg *);
503 int config_getcfg(struct gotwebd *, struct imsg *);
504 int config_init(struct gotwebd *);