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_MAXCLIENTS 1024
43 #define GOTWEBD_MAXTEXT 511
44 #define GOTWEBD_MAXNAME 64
45 #define GOTWEBD_MAXPORT 6
46 #define GOTWEBD_NUMPROC 3
47 #define GOTWEBD_MAXIFACE 16
50 #define MAX_QUERYSTRING 2048
51 #define MAX_DOCUMENT_ROOT 255
52 #define MAX_SERVER_NAME 255
54 #define GOTWEB_GOT_DIR ".got"
55 #define GOTWEB_GIT_DIR ".git"
57 #define D_HTTPD_CHROOT "/var/www"
58 #define D_UNIX_SOCKET "/run/gotweb.sock"
59 #define D_FCGI_PORT "9000"
60 #define D_GOTPATH "/got/public"
61 #define D_SITENAME "Gotweb"
62 #define D_SITEOWNER "Got Owner"
63 #define D_SITELINK "Repos"
64 #define D_GOTLOGO "got.png"
65 #define D_GOTURL "https://gameoftrees.org"
66 #define D_GOTWEBCSS "gotweb.css"
68 #define D_SHOWROWNER 1
69 #define D_SHOWSOWNER 1
74 #define D_MAXREPODISP 25
75 #define D_MAXSLCOMMDISP 10
76 #define D_MAXCOMMITDISP 25
80 #define TIMEOUT_DEFAULT 120
82 #define FCGI_CONTENT_SIZE 65535
83 #define FCGI_PADDING_SIZE 255
84 #define FCGI_RECORD_SIZE \
85 (sizeof(struct fcgi_record_header) + FCGI_CONTENT_SIZE + FCGI_PADDING_SIZE)
87 #define FCGI_ALIGNMENT 8
88 #define FCGI_ALIGN(n) \
89 (((n) + (FCGI_ALIGNMENT - 1)) & ~(FCGI_ALIGNMENT - 1))
94 #define FCGI_BEGIN_REQUEST 1
95 #define FCGI_ABORT_REQUEST 2
96 #define FCGI_END_REQUEST 3
100 #define FCGI_STDERR 7
102 #define FCGI_GET_VALUES 9
103 #define FCGI_GET_VALUES_RESULT 10
104 #define FCGI_UNKNOWN_TYPE 11
105 #define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
107 #define FCGI_REQUEST_COMPLETE 0
108 #define FCGI_CANT_MPX_CONN 1
109 #define FCGI_OVERLOADED 2
110 #define FCGI_UNKNOWN_ROLE 3
112 #define GOTWEB_PACK_NUM_TEMPFILES 32
115 IMSG_CFG_SRV = IMSG_PROC_MAX,
123 SLIST_ENTRY(env_val) entry;
126 SLIST_HEAD(env_head, env_val);
128 struct fcgi_record_header {
132 uint16_t content_len;
135 }__attribute__((__packed__));
137 struct fcgi_response {
138 TAILQ_ENTRY(fcgi_response) entry;
139 uint8_t data[FCGI_RECORD_SIZE];
154 TAILQ_ENTRY(repo_tag) entry;
164 TAILQ_ENTRY(repo_commit) entry;
167 char *commit_id; /* id_str1 */
168 char *parent_id; /* id_str2 */
173 time_t committer_time;
176 struct got_repository;
178 TAILQ_HEAD(repo_commits_head, repo_commit) repo_commits;
179 TAILQ_HEAD(repo_tags_head, repo_tag) repo_tags;
180 struct got_repository *repo;
181 struct repo_dir *repo_dir;
182 struct querystring *qs;
185 unsigned int repos_total;
186 unsigned int next_disp;
187 unsigned int prev_disp;
188 unsigned int tag_count;
191 enum socket_priv_fds {
217 int priv_fd[PRIV_FDS__MAX];
219 uint8_t buf[FCGI_RECORD_SIZE];
223 char querystring[MAX_QUERYSTRING];
224 char http_host[GOTWEBD_MAXTEXT];
225 char document_root[MAX_DOCUMENT_ROOT];
226 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;
247 TAILQ_ENTRY(address) entry;
248 struct sockaddr_storage ss;
252 char ifname[IFNAMSIZ];
254 TAILQ_HEAD(addresslist, address);
257 TAILQ_ENTRY(server) entry;
258 struct addresslist *al;
260 char name[GOTWEBD_MAXTEXT];
262 char repos_path[PATH_MAX];
263 char site_name[GOTWEBD_MAXNAME];
264 char site_owner[GOTWEBD_MAXNAME];
265 char site_link[GOTWEBD_MAXTEXT];
266 char logo[GOTWEBD_MAXTEXT];
267 char logo_url[GOTWEBD_MAXTEXT];
268 char custom_css[PATH_MAX];
271 size_t max_repos_display;
272 size_t max_commits_display;
277 int show_repo_description;
278 int show_repo_cloneurl;
281 char unix_socket_name[PATH_MAX];
284 char fcgi_socket_bind[GOTWEBD_MAXTEXT];
285 in_port_t fcgi_socket_port;
287 TAILQ_HEAD(serverlist, server);
300 struct addresslist *al;
302 char name[GOTWEBD_MAXTEXT];
303 char srv_name[GOTWEBD_MAXTEXT];
313 char unix_socket_name[PATH_MAX];
314 in_port_t fcgi_socket_port;
318 TAILQ_ENTRY(socket) entry;
319 struct socket_conf conf;
322 int pack_fds[GOTWEB_PACK_NUM_TEMPFILES];
323 int priv_fd[PRIV_FDS__MAX];
331 TAILQ_HEAD(socketlist, socket);
334 struct serverlist *servers;
335 struct socketlist *sockets;
337 struct privsep *gotwebd_ps;
338 const char *gotwebd_conffile;
342 int gotwebd_noaction;
344 uint16_t prefork_gotwebd;
349 char httpd_chroot[PATH_MAX];
352 char unix_socket_name[PATH_MAX];
355 char fcgi_socket_bind[GOTWEBD_MAXTEXT];
356 in_port_t fcgi_socket_port;
368 char *index_page_str;
374 struct querystring_keys {
384 enum querystring_elements {
412 extern struct gotwebd *gotwebd_env;
415 void sockets(struct privsep *, struct privsep_proc *);
416 void sockets_shutdown(void);
417 void sockets_parse_sockets(struct gotwebd *);
418 void sockets_socket_accept(int, short, void *);
419 int sockets_privinit(struct gotwebd *, struct socket *);
422 const struct got_error *gotweb_render_content_type(struct request *,
424 const struct got_error
425 *gotweb_render_content_type_file(struct request *, const uint8_t *, char *);
426 const struct got_error *gotweb_get_time_str(char **, time_t, int);
427 const struct got_error *gotweb_init_transport(struct transport **);
428 const struct got_error *gotweb_escape_html(char **, const char *);
429 void gotweb_free_repo_commit(struct repo_commit *);
430 void gotweb_free_repo_tag(struct repo_tag *);
431 void gotweb_process_request(struct request *);
432 void gotweb_free_transport(struct transport *);
435 int parse_config(const char *, struct gotwebd *);
436 int cmdline_symset(char *);
439 void fcgi_request(int, short, void *);
440 void fcgi_timeout(int, short, void *);
441 void fcgi_cleanup_request(struct request *);
442 void fcgi_create_end_record(struct request *);
443 void dump_fcgi_record(const char *, struct fcgi_record_header *);
444 int fcgi_gen_response(struct request *, const char *);
445 int fcgi_gen_binary_response(struct request *, const uint8_t *, int);
447 /* got_operations.c */
448 const struct got_error *got_get_repo_owner(char **, struct request *, char *);
449 const struct got_error *got_get_repo_age(char **, struct request *, char *,
451 const struct got_error *got_get_repo_commits(struct request *, int);
452 const struct got_error *got_get_repo_tags(struct request *, int);
453 const struct got_error *got_get_repo_heads(struct request *);
454 const struct got_error *got_output_repo_diff(struct request *);
455 const struct got_error *got_output_repo_tree(struct request *);
456 const struct got_error *got_output_file_blob(struct request *);
457 const struct got_error *got_output_file_blame(struct request *);
460 int config_setserver(struct gotwebd *, struct server *);
461 int config_getserver(struct gotwebd *, struct imsg *);
462 int config_setsock(struct gotwebd *, struct socket *);
463 int config_getsock(struct gotwebd *, struct imsg *);
464 int config_setfd(struct gotwebd *, struct socket *);
465 int config_getfd(struct gotwebd *, struct imsg *);
466 int config_getcfg(struct gotwebd *, struct imsg *);
467 int config_init(struct gotwebd *);