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__));
147 TAILQ_ENTRY(repo_tag) entry;
157 TAILQ_ENTRY(repo_commit) entry;
160 char *commit_id; /* id_str1 */
161 char *parent_id; /* id_str2 */
166 time_t committer_time;
169 struct got_repository;
171 TAILQ_HEAD(repo_commits_head, repo_commit) repo_commits;
172 TAILQ_HEAD(repo_tags_head, repo_tag) repo_tags;
173 struct got_repository *repo;
174 struct repo_dir *repo_dir;
175 struct querystring *qs;
178 unsigned int repos_total;
179 unsigned int next_disp;
180 unsigned int prev_disp;
181 unsigned int tag_count;
184 enum socket_priv_fds {
210 int priv_fd[PRIV_FDS__MAX];
212 uint8_t buf[FCGI_RECORD_SIZE];
216 char querystring[MAX_QUERYSTRING];
217 char http_host[GOTWEBD_MAXTEXT];
218 char document_root[MAX_DOCUMENT_ROOT];
219 char server_name[MAX_SERVER_NAME];
224 uint8_t request_started;
227 struct fcgi_begin_request_body {
231 }__attribute__((__packed__));
233 struct fcgi_end_request_body {
235 uint8_t protocol_status;
240 TAILQ_ENTRY(address) entry;
241 struct sockaddr_storage ss;
245 char ifname[IFNAMSIZ];
247 TAILQ_HEAD(addresslist, address);
250 TAILQ_ENTRY(server) entry;
251 struct addresslist *al;
253 char name[GOTWEBD_MAXTEXT];
255 char repos_path[PATH_MAX];
256 char site_name[GOTWEBD_MAXNAME];
257 char site_owner[GOTWEBD_MAXNAME];
258 char site_link[GOTWEBD_MAXTEXT];
259 char logo[GOTWEBD_MAXTEXT];
260 char logo_url[GOTWEBD_MAXTEXT];
261 char custom_css[PATH_MAX];
264 size_t max_repos_display;
265 size_t max_commits_display;
270 int show_repo_description;
271 int show_repo_cloneurl;
274 char unix_socket_name[PATH_MAX];
277 char fcgi_socket_bind[GOTWEBD_MAXTEXT];
278 in_port_t fcgi_socket_port;
280 TAILQ_HEAD(serverlist, server);
293 struct addresslist *al;
295 char name[GOTWEBD_MAXTEXT];
296 char srv_name[GOTWEBD_MAXTEXT];
306 char unix_socket_name[PATH_MAX];
307 in_port_t fcgi_socket_port;
311 TAILQ_ENTRY(socket) entry;
312 struct socket_conf conf;
315 int pack_fds[GOTWEB_PACK_NUM_TEMPFILES];
316 int priv_fd[PRIV_FDS__MAX];
324 TAILQ_HEAD(socketlist, socket);
327 struct serverlist *servers;
328 struct socketlist *sockets;
330 struct privsep *gotwebd_ps;
331 const char *gotwebd_conffile;
335 int gotwebd_noaction;
337 uint16_t prefork_gotwebd;
342 char httpd_chroot[PATH_MAX];
345 char unix_socket_name[PATH_MAX];
348 char fcgi_socket_bind[GOTWEBD_MAXTEXT];
349 in_port_t fcgi_socket_port;
361 char *index_page_str;
367 struct querystring_keys {
377 enum querystring_elements {
405 extern struct gotwebd *gotwebd_env;
408 void sockets(struct privsep *, struct privsep_proc *);
409 void sockets_shutdown(void);
410 void sockets_parse_sockets(struct gotwebd *);
411 void sockets_socket_accept(int, short, void *);
412 int sockets_privinit(struct gotwebd *, struct socket *);
415 const struct got_error *gotweb_render_content_type(struct request *,
417 const struct got_error
418 *gotweb_render_content_type_file(struct request *, const uint8_t *, char *);
419 const struct got_error *gotweb_get_time_str(char **, time_t, int);
420 const struct got_error *gotweb_init_transport(struct transport **);
421 const struct got_error *gotweb_escape_html(char **, const char *);
422 void gotweb_free_repo_commit(struct repo_commit *);
423 void gotweb_free_repo_tag(struct repo_tag *);
424 void gotweb_process_request(struct request *);
425 void gotweb_free_transport(struct transport *);
428 int parse_config(const char *, struct gotwebd *);
429 int cmdline_symset(char *);
432 void fcgi_request(int, short, void *);
433 void fcgi_timeout(int, short, void *);
434 void fcgi_cleanup_request(struct request *);
435 void fcgi_create_end_record(struct request *);
436 void dump_fcgi_record(const char *, struct fcgi_record_header *);
437 int fcgi_gen_response(struct request *, const char *);
438 int fcgi_gen_binary_response(struct request *, const uint8_t *, int);
440 /* got_operations.c */
441 const struct got_error *got_get_repo_owner(char **, struct request *, char *);
442 const struct got_error *got_get_repo_age(char **, struct request *, char *,
444 const struct got_error *got_get_repo_commits(struct request *, int);
445 const struct got_error *got_get_repo_tags(struct request *, int);
446 const struct got_error *got_get_repo_heads(struct request *);
447 const struct got_error *got_output_repo_diff(struct request *);
448 const struct got_error *got_output_repo_tree(struct request *);
449 const struct got_error *got_output_file_blob(struct request *);
450 const struct got_error *got_output_file_blame(struct request *);
453 int config_setserver(struct gotwebd *, struct server *);
454 int config_getserver(struct gotwebd *, struct imsg *);
455 int config_setsock(struct gotwebd *, struct socket *);
456 int config_getsock(struct gotwebd *, struct imsg *);
457 int config_setfd(struct gotwebd *, struct socket *);
458 int config_getfd(struct gotwebd *, struct imsg *);
459 int config_getcfg(struct gotwebd *, struct imsg *);
460 int config_init(struct gotwebd *);