1 /* $OpenBSD: httpd.h,v 1.152 2020/08/29 07:53:48 florian Exp $ */ 2 3 /* 4 * Copyright (c) 2006 - 2015 Reyk Floeter <reyk@openbsd.org> 5 * Copyright (c) 2006, 2007 Pierre-Yves Ritschard <pyr@openbsd.org> 6 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #ifndef _HTTPD_H 22 #define _HTTPD_H 23 24 #include <sys/types.h> 25 #include <sys/socket.h> 26 #include <sys/queue.h> 27 #include <sys/tree.h> 28 #include <sys/time.h> 29 30 #include <net/if.h> 31 #include <netinet/in.h> 32 33 #include <stdarg.h> 34 #include <limits.h> 35 #include <event.h> 36 #include <imsg.h> 37 #include <tls.h> 38 #include <vis.h> 39 40 #include "patterns.h" 41 42 #ifndef nitems 43 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0])) 44 #endif 45 46 #define CONF_FILE "/etc/httpd.conf" 47 #define HTTPD_SOCKET "/var/run/httpd.sock" 48 #define HTTPD_USER "www" 49 #define HTTPD_SERVERNAME "OpenBSD httpd" 50 #define HTTPD_DOCROOT "/htdocs" 51 #define HTTPD_INDEX "index.html" 52 #define HTTPD_FCGI_SOCKET "/run/slowcgi.sock" 53 #define HTTPD_LOGROOT "/logs" 54 #define HTTPD_ACCESS_LOG "access.log" 55 #define HTTPD_ERROR_LOG "error.log" 56 #define HTTPD_MAX_ALIAS_IP 16 57 #define HTTPD_REALM_MAX 255 58 #define HTTPD_LOCATION_MAX 255 59 #define HTTPD_DEFAULT_TYPE { "bin", "application", "octet-stream", NULL } 60 #define HTTPD_LOGVIS VIS_NL|VIS_TAB|VIS_CSTYLE 61 #define HTTPD_TLS_CERT "/etc/ssl/server.crt" 62 #define HTTPD_TLS_KEY "/etc/ssl/private/server.key" 63 #define HTTPD_TLS_CONFIG_MAX 511 64 #define HTTPD_TLS_CIPHERS "compat" 65 #define HTTPD_TLS_DHE_PARAMS "none" 66 #define HTTPD_TLS_ECDHE_CURVES "default" 67 #define HTTPD_FCGI_NAME_MAX 511 68 #define HTTPD_FCGI_VAL_MAX 511 69 #define FD_RESERVE 5 70 71 #define SERVER_MAX_CLIENTS 1024 72 #define SERVER_TIMEOUT 600 73 #define SERVER_REQUESTTIMEOUT 60 74 #define SERVER_CACHESIZE -1 /* use default size */ 75 #define SERVER_NUMPROC 3 76 #define SERVER_MAXHEADERLENGTH 8192 77 #define SERVER_MAXREQUESTS 100 /* max requests per connection */ 78 #define SERVER_MAXREQUESTBODY 1048576 /* 1M */ 79 #define SERVER_BACKLOG 10 80 #define SERVER_OUTOF_FD_RETRIES 5 81 #define SERVER_MAX_PREFETCH 256 82 #define SERVER_MIN_PREFETCHED 32 83 #define SERVER_HSTS_DEFAULT_AGE 31536000 84 #define SERVER_MAX_RANGES 4 85 #define SERVER_DEF_TLS_LIFETIME (2 * 3600) 86 #define SERVER_MIN_TLS_LIFETIME (60) 87 #define SERVER_MAX_TLS_LIFETIME (24 * 3600) 88 89 #define MEDIATYPE_NAMEMAX 128 /* file name extension */ 90 #define MEDIATYPE_TYPEMAX 64 /* length of type/subtype */ 91 92 #define CONFIG_RELOAD 0x00 93 #define CONFIG_MEDIA 0x01 94 #define CONFIG_SERVERS 0x02 95 #define CONFIG_AUTH 0x04 96 #define CONFIG_ALL 0xff 97 98 #define FCGI_CONTENT_SIZE 65535 99 #define FCGI_DEFAULT_PORT "9000" 100 101 #define PROC_PARENT_SOCK_FILENO 3 102 #define PROC_MAX_INSTANCES 32 103 104 enum httpchunk { 105 TOREAD_UNLIMITED = -1, 106 TOREAD_HTTP_HEADER = -2, 107 TOREAD_HTTP_CHUNK_LENGTH = -3, 108 TOREAD_HTTP_CHUNK_TRAILER = -4, 109 TOREAD_HTTP_NONE = -5, 110 TOREAD_HTTP_RANGE = TOREAD_HTTP_CHUNK_LENGTH 111 }; 112 113 #if DEBUG 114 #define DPRINTF log_debug 115 #else 116 #define DPRINTF(x...) do {} while(0) 117 #endif 118 119 struct ctl_flags { 120 uint8_t cf_opts; 121 uint32_t cf_flags; 122 uint8_t cf_tls_sid[TLS_MAX_SESSION_ID_LENGTH]; 123 }; 124 125 TAILQ_HEAD(kvlist, kv); 126 RB_HEAD(kvtree, kv); 127 128 struct kv { 129 char *kv_key; 130 char *kv_value; 131 132 #define KV_FLAG_INVALID 0x01 133 #define KV_FLAG_GLOBBING 0x02 134 uint8_t kv_flags; 135 136 struct kvlist kv_children; 137 struct kv *kv_parent; 138 TAILQ_ENTRY(kv) kv_entry; 139 140 RB_ENTRY(kv) kv_node; 141 }; 142 143 struct portrange { 144 in_port_t val[2]; 145 uint8_t op; 146 }; 147 148 struct address { 149 struct sockaddr_storage ss; 150 int ipproto; 151 int prefixlen; 152 struct portrange port; 153 char ifname[IFNAMSIZ]; 154 TAILQ_ENTRY(address) entry; 155 }; 156 TAILQ_HEAD(addresslist, address); 157 158 /* initially control.h */ 159 struct control_sock { 160 const char *cs_name; 161 struct event cs_ev; 162 struct event cs_evt; 163 int cs_fd; 164 int cs_restricted; 165 void *cs_env; 166 167 TAILQ_ENTRY(control_sock) cs_entry; 168 }; 169 TAILQ_HEAD(control_socks, control_sock); 170 171 struct { 172 struct event ev; 173 int fd; 174 } control_state; 175 176 struct imsgev { 177 struct imsgbuf ibuf; 178 void (*handler)(int, short, void *); 179 struct event ev; 180 struct privsep_proc *proc; 181 void *data; 182 short events; 183 }; 184 185 #define IMSG_SIZE_CHECK(imsg, p) do { \ 186 if (IMSG_DATA_SIZE(imsg) < sizeof(*p)) \ 187 fatalx("bad length imsg received"); \ 188 } while (0) 189 #define IMSG_DATA_SIZE(imsg) ((imsg)->hdr.len - IMSG_HEADER_SIZE) 190 #define MAX_IMSG_DATA_SIZE (MAX_IMSGSIZE - IMSG_HEADER_SIZE) 191 192 struct ctl_conn { 193 TAILQ_ENTRY(ctl_conn) entry; 194 uint8_t flags; 195 unsigned int waiting; 196 #define CTL_CONN_NOTIFY 0x01 197 struct imsgev iev; 198 199 }; 200 TAILQ_HEAD(ctl_connlist, ctl_conn); 201 202 enum imsg_type { 203 IMSG_NONE, 204 IMSG_CTL_OK, 205 IMSG_CTL_FAIL, 206 IMSG_CTL_VERBOSE, 207 IMSG_CTL_PROCFD, 208 IMSG_CTL_RESET, 209 IMSG_CTL_SHUTDOWN, 210 IMSG_CTL_RELOAD, 211 IMSG_CTL_NOTIFY, 212 IMSG_CTL_END, 213 IMSG_CTL_START, 214 IMSG_CTL_REOPEN, 215 IMSG_CFG_SERVER, 216 IMSG_CFG_TLS, 217 IMSG_CFG_MEDIA, 218 IMSG_CFG_AUTH, 219 IMSG_CFG_FCGI, 220 IMSG_CFG_DONE, 221 IMSG_LOG_ACCESS, 222 IMSG_LOG_ERROR, 223 IMSG_LOG_OPEN, 224 IMSG_TLSTICKET_REKEY 225 }; 226 227 enum privsep_procid { 228 PROC_ALL = -1, 229 PROC_PARENT = 0, 230 PROC_SERVER, 231 PROC_LOGGER, 232 PROC_MAX 233 } privsep_process; 234 235 /* Attach the control socket to the following process */ 236 #define PROC_CONTROL PROC_LOGGER 237 238 struct privsep_pipes { 239 int *pp_pipes[PROC_MAX]; 240 }; 241 242 struct privsep { 243 struct privsep_pipes *ps_pipes[PROC_MAX]; 244 struct privsep_pipes *ps_pp; 245 246 struct imsgev *ps_ievs[PROC_MAX]; 247 const char *ps_title[PROC_MAX]; 248 uint8_t ps_what[PROC_MAX]; 249 250 unsigned int ps_instances[PROC_MAX]; 251 unsigned int ps_instance; 252 253 struct control_sock ps_csock; 254 struct control_socks ps_rcsocks; 255 256 /* Event and signal handlers */ 257 struct event ps_evsigint; 258 struct event ps_evsigterm; 259 struct event ps_evsigchld; 260 struct event ps_evsighup; 261 struct event ps_evsigpipe; 262 struct event ps_evsigusr1; 263 264 int ps_noaction; 265 struct passwd *ps_pw; 266 struct httpd *ps_env; 267 }; 268 269 struct privsep_proc { 270 const char *p_title; 271 enum privsep_procid p_id; 272 int (*p_cb)(int, struct privsep_proc *, 273 struct imsg *); 274 void (*p_init)(struct privsep *, 275 struct privsep_proc *); 276 const char *p_chroot; 277 struct privsep *p_ps; 278 void (*p_shutdown)(void); 279 struct passwd *p_pw; 280 }; 281 282 struct privsep_fd { 283 enum privsep_procid pf_procid; 284 unsigned int pf_instance; 285 }; 286 287 enum fcgistate { 288 FCGI_READ_HEADER, 289 FCGI_READ_CONTENT, 290 FCGI_READ_PADDING 291 }; 292 293 struct fcgi_data { 294 enum fcgistate state; 295 int toread; 296 int padding_len; 297 int type; 298 int chunked; 299 int end; 300 int status; 301 int headersdone; 302 }; 303 304 struct range { 305 off_t start; 306 off_t end; 307 }; 308 309 struct range_data { 310 struct range range[SERVER_MAX_RANGES]; 311 int range_count; 312 int range_index; 313 off_t range_toread; 314 315 /* For the Content headers in each part */ 316 struct media_type *range_media; 317 size_t range_total; 318 }; 319 320 struct client { 321 uint32_t clt_id; 322 pid_t clt_pid; 323 void *clt_srv; 324 void *clt_srv_conf; 325 uint32_t clt_srv_id; 326 struct sockaddr_storage clt_srv_ss; 327 struct str_match clt_srv_match; 328 329 int clt_s; 330 in_port_t clt_port; 331 struct sockaddr_storage clt_ss; 332 struct bufferevent *clt_bev; 333 struct evbuffer *clt_output; 334 struct event clt_ev; 335 void *clt_descreq; 336 void *clt_descresp; 337 int clt_sndbufsiz; 338 uint64_t clt_boundary; 339 340 int clt_fd; 341 struct tls *clt_tls_ctx; 342 struct bufferevent *clt_srvbev; 343 int clt_srvbev_throttled; 344 345 off_t clt_toread; 346 size_t clt_headerlen; 347 int clt_headersdone; 348 unsigned int clt_persist; 349 unsigned int clt_pipelining; 350 int clt_line; 351 int clt_done; 352 int clt_chunk; 353 int clt_inflight; 354 struct range_data clt_ranges; 355 struct fcgi_data clt_fcgi; 356 char *clt_remote_user; 357 struct evbuffer *clt_srvevb; 358 359 struct evbuffer *clt_log; 360 struct timeval clt_timeout; 361 struct timeval clt_tv_start; 362 struct timeval clt_tv_last; 363 struct event clt_inflightevt; 364 365 SPLAY_ENTRY(client) clt_nodes; 366 }; 367 SPLAY_HEAD(client_tree, client); 368 369 #define SRVFLAG_INDEX 0x00000001 370 #define SRVFLAG_NO_INDEX 0x00000002 371 #define SRVFLAG_AUTO_INDEX 0x00000004 372 #define SRVFLAG_NO_AUTO_INDEX 0x00000008 373 #define SRVFLAG_ROOT 0x00000010 374 #define SRVFLAG_LOCATION 0x00000020 375 #define SRVFLAG_FCGI 0x00000040 376 #define SRVFLAG_NO_FCGI 0x00000080 377 #define SRVFLAG_LOG 0x00000100 378 #define SRVFLAG_NO_LOG 0x00000200 379 #define SRVFLAG_SYSLOG 0x00000800 380 #define SRVFLAG_NO_SYSLOG 0x00001000 381 #define SRVFLAG_TLS 0x00002000 382 #define SRVFLAG_ACCESS_LOG 0x00004000 383 #define SRVFLAG_ERROR_LOG 0x00008000 384 #define SRVFLAG_AUTH 0x00010000 385 #define SRVFLAG_NO_AUTH 0x00020000 386 #define SRVFLAG_BLOCK 0x00040000 387 #define SRVFLAG_NO_BLOCK 0x00080000 388 #define SRVFLAG_LOCATION_MATCH 0x00100000 389 #define SRVFLAG_SERVER_MATCH 0x00200000 390 #define SRVFLAG_SERVER_HSTS 0x00400000 391 #define SRVFLAG_DEFAULT_TYPE 0x00800000 392 #define SRVFLAG_PATH_REWRITE 0x01000000 393 #define SRVFLAG_NO_PATH_REWRITE 0x02000000 394 395 #define SRVFLAG_BITS \ 396 "\10\01INDEX\02NO_INDEX\03AUTO_INDEX\04NO_AUTO_INDEX" \ 397 "\05ROOT\06LOCATION\07FCGI\10NO_FCGI\11LOG\12NO_LOG" \ 398 "\14SYSLOG\15NO_SYSLOG\16TLS\17ACCESS_LOG\20ERROR_LOG" \ 399 "\21AUTH\22NO_AUTH\23BLOCK\24NO_BLOCK\25LOCATION_MATCH" \ 400 "\26SERVER_MATCH\27SERVER_HSTS\30DEFAULT_TYPE\31PATH\32NO_PATH" 401 402 #define TCPFLAG_NODELAY 0x01 403 #define TCPFLAG_NNODELAY 0x02 404 #define TCPFLAG_SACK 0x04 405 #define TCPFLAG_NSACK 0x08 406 #define TCPFLAG_BUFSIZ 0x10 407 #define TCPFLAG_IPTTL 0x20 408 #define TCPFLAG_IPMINTTL 0x40 409 #define TCPFLAG_NSPLICE 0x80 410 #define TCPFLAG_DEFAULT 0x00 411 412 #define TCPFLAG_BITS \ 413 "\10\01NODELAY\02NO_NODELAY\03SACK\04NO_SACK" \ 414 "\05SOCKET_BUFFER_SIZE\06IP_TTL\07IP_MINTTL\10NO_SPLICE" 415 416 #define HSTSFLAG_SUBDOMAINS 0x01 417 #define HSTSFLAG_PRELOAD 0x02 418 #define HSTSFLAG_BITS "\10\01SUBDOMAINS\02PRELOAD" 419 420 #define TLSFLAG_CA 0x01 421 #define TLSFLAG_CRL 0x02 422 #define TLSFLAG_OPTIONAL 0x04 423 #define TLSFLAG_BITS "\10\01CA\02CRL\03OPTIONAL" 424 425 enum log_format { 426 LOG_FORMAT_COMMON, 427 LOG_FORMAT_COMBINED, 428 LOG_FORMAT_CONNECTION, 429 LOG_FORMAT_FORWARDED 430 }; 431 432 struct log_file { 433 char log_name[PATH_MAX]; 434 int log_fd; 435 uint32_t log_id; 436 TAILQ_ENTRY(log_file) log_entry; 437 }; 438 TAILQ_HEAD(log_files, log_file) log_files; 439 440 struct media_type { 441 char media_name[MEDIATYPE_NAMEMAX]; 442 char media_type[MEDIATYPE_TYPEMAX]; 443 char media_subtype[MEDIATYPE_TYPEMAX]; 444 char *media_encoding; 445 RB_ENTRY(media_type) media_entry; 446 }; 447 RB_HEAD(mediatypes, media_type); 448 449 struct auth { 450 char auth_htpasswd[PATH_MAX]; 451 uint32_t auth_id; 452 TAILQ_ENTRY(auth) auth_entry; 453 }; 454 TAILQ_HEAD(serverauth, auth); 455 456 struct server_tls_ticket { 457 uint32_t tt_id; 458 uint32_t tt_keyrev; 459 unsigned char tt_key[TLS_TICKET_KEY_SIZE]; 460 }; 461 462 struct fastcgi_param { 463 char name[HTTPD_FCGI_NAME_MAX]; 464 char value[HTTPD_FCGI_VAL_MAX]; 465 466 TAILQ_ENTRY(fastcgi_param) entry; 467 }; 468 TAILQ_HEAD(server_fcgiparams, fastcgi_param); 469 470 struct server_config { 471 uint32_t id; 472 uint32_t parent_id; 473 char name[HOST_NAME_MAX+1]; 474 char location[HTTPD_LOCATION_MAX]; 475 char root[PATH_MAX]; 476 char path[PATH_MAX]; 477 char index[PATH_MAX]; 478 char accesslog[PATH_MAX]; 479 char errorlog[PATH_MAX]; 480 struct media_type default_type; 481 482 struct sockaddr_storage fastcgi_ss; 483 484 in_port_t port; 485 struct sockaddr_storage ss; 486 int prefixlen; 487 struct timeval timeout; 488 struct timeval requesttimeout; 489 uint32_t maxrequests; 490 size_t maxrequestbody; 491 492 uint8_t *tls_ca; 493 char *tls_ca_file; 494 size_t tls_ca_len; 495 uint8_t *tls_cert; 496 size_t tls_cert_len; 497 char *tls_cert_file; 498 char tls_ciphers[HTTPD_TLS_CONFIG_MAX]; 499 uint8_t *tls_crl; 500 char *tls_crl_file; 501 size_t tls_crl_len; 502 char tls_dhe_params[HTTPD_TLS_CONFIG_MAX]; 503 char tls_ecdhe_curves[HTTPD_TLS_CONFIG_MAX]; 504 uint8_t tls_flags; 505 uint8_t *tls_key; 506 size_t tls_key_len; 507 char *tls_key_file; 508 uint32_t tls_protocols; 509 uint8_t *tls_ocsp_staple; 510 size_t tls_ocsp_staple_len; 511 char *tls_ocsp_staple_file; 512 struct server_tls_ticket tls_ticket_key; 513 int tls_ticket_lifetime; 514 515 uint32_t flags; 516 int strip; 517 uint8_t tcpflags; 518 int tcpbufsiz; 519 int tcpbacklog; 520 uint8_t tcpipttl; 521 uint8_t tcpipminttl; 522 523 enum log_format logformat; 524 struct log_file *logaccess; 525 struct log_file *logerror; 526 527 char auth_realm[HTTPD_REALM_MAX]; 528 uint32_t auth_id; 529 const struct auth *auth; 530 531 int return_code; 532 char *return_uri; 533 off_t return_uri_len; 534 535 int hsts_max_age; 536 uint8_t hsts_flags; 537 538 struct server_fcgiparams fcgiparams; 539 int fcgistrip; 540 541 TAILQ_ENTRY(server_config) entry; 542 }; 543 TAILQ_HEAD(serverhosts, server_config); 544 545 enum tls_config_type { 546 TLS_CFG_CA, 547 TLS_CFG_CERT, 548 TLS_CFG_CRL, 549 TLS_CFG_KEY, 550 TLS_CFG_OCSP_STAPLE, 551 }; 552 553 struct tls_config { 554 uint32_t id; 555 556 enum tls_config_type tls_type; 557 size_t tls_len; 558 size_t tls_chunk_len; 559 size_t tls_chunk_offset; 560 }; 561 562 struct server { 563 TAILQ_ENTRY(server) srv_entry; 564 struct server_config srv_conf; 565 struct serverhosts srv_hosts; 566 567 int srv_s; 568 struct event srv_ev; 569 struct event srv_evt; 570 571 struct tls *srv_tls_ctx; 572 struct tls_config *srv_tls_config; 573 574 struct client_tree srv_clients; 575 }; 576 TAILQ_HEAD(serverlist, server); 577 578 struct httpd { 579 uint8_t sc_opts; 580 uint32_t sc_flags; 581 const char *sc_conffile; 582 struct event sc_ev; 583 uint16_t sc_prefork_server; 584 uint16_t sc_id; 585 int sc_paused; 586 char *sc_chroot; 587 char *sc_logdir; 588 589 uint8_t sc_tls_sid[TLS_MAX_SESSION_ID_LENGTH]; 590 591 struct serverlist *sc_servers; 592 struct mediatypes *sc_mediatypes; 593 struct media_type sc_default_type; 594 struct serverauth *sc_auth; 595 596 struct privsep *sc_ps; 597 int sc_reload; 598 }; 599 600 #define HTTPD_OPT_VERBOSE 0x01 601 #define HTTPD_OPT_NOACTION 0x04 602 603 /* control.c */ 604 int control_init(struct privsep *, struct control_sock *); 605 int control_listen(struct control_sock *); 606 void control_cleanup(struct control_sock *); 607 void control_dispatch_imsg(int, short, void *); 608 void control_imsg_forward(struct privsep *, struct imsg *); 609 struct ctl_conn * 610 control_connbyfd(int); 611 612 extern struct ctl_connlist ctl_conns; 613 614 /* parse.y */ 615 int parse_config(const char *, struct httpd *); 616 int load_config(const char *, struct httpd *); 617 int cmdline_symset(char *); 618 619 /* server.c */ 620 void server(struct privsep *, struct privsep_proc *); 621 int server_tls_cmp(struct server *, struct server *, int); 622 int server_tls_load_ca(struct server *); 623 int server_tls_load_crl(struct server *); 624 int server_tls_load_keypair(struct server *); 625 int server_tls_load_ocsp(struct server *); 626 void server_generate_ticket_key(struct server_config *); 627 int server_privinit(struct server *); 628 void server_purge(struct server *); 629 void serverconfig_free(struct server_config *); 630 void serverconfig_reset(struct server_config *); 631 int server_socket_af(struct sockaddr_storage *, in_port_t); 632 in_port_t 633 server_socket_getport(struct sockaddr_storage *); 634 int server_socket_connect(struct sockaddr_storage *, in_port_t, 635 struct server_config *); 636 void server_write(struct bufferevent *, void *); 637 void server_read(struct bufferevent *, void *); 638 void server_error(struct bufferevent *, short, void *); 639 void server_log(struct client *, const char *); 640 void server_sendlog(struct server_config *, int, const char *, ...) 641 __attribute__((__format__ (printf, 3, 4))); 642 void server_close(struct client *, const char *); 643 void server_dump(struct client *, const void *, size_t); 644 int server_client_cmp(struct client *, struct client *); 645 int server_bufferevent_printf(struct client *, const char *, ...) 646 __attribute__((__format__ (printf, 2, 3))); 647 int server_bufferevent_print(struct client *, const char *); 648 int server_bufferevent_write_buffer(struct client *, 649 struct evbuffer *); 650 int server_bufferevent_write_chunk(struct client *, 651 struct evbuffer *, size_t); 652 int server_bufferevent_add(struct event *, int); 653 int server_bufferevent_write(struct client *, void *, size_t); 654 struct server * 655 server_byaddr(struct sockaddr *, in_port_t); 656 struct server_config * 657 serverconfig_byid(uint32_t); 658 int server_foreach(int (*)(struct server *, 659 struct server_config *, void *), void *); 660 struct server * 661 server_match(struct server *, int); 662 663 SPLAY_PROTOTYPE(client_tree, client, clt_nodes, server_client_cmp); 664 665 /* server_http.c */ 666 void server_http_init(struct server *); 667 void server_http(void); 668 int server_httpdesc_init(struct client *); 669 void server_read_http(struct bufferevent *, void *); 670 void server_abort_http(struct client *, unsigned int, const char *); 671 unsigned int 672 server_httpmethod_byname(const char *); 673 const char 674 *server_httpmethod_byid(unsigned int); 675 const char 676 *server_httperror_byid(unsigned int); 677 void server_read_httpcontent(struct bufferevent *, void *); 678 void server_read_httpchunks(struct bufferevent *, void *); 679 void server_read_httprange(struct bufferevent *, void *); 680 int server_writeheader_http(struct client *clt, struct kv *, void *); 681 int server_headers(struct client *, void *, 682 int (*)(struct client *, struct kv *, void *), void *); 683 int server_writeresponse_http(struct client *); 684 int server_response_http(struct client *, unsigned int, 685 struct media_type *, off_t, time_t); 686 void server_reset_http(struct client *); 687 void server_close_http(struct client *); 688 int server_response(struct httpd *, struct client *); 689 const char * 690 server_root_strip(const char *, int); 691 struct server_config * 692 server_getlocation(struct client *, const char *); 693 const char * 694 server_http_host(struct sockaddr_storage *, char *, size_t); 695 char *server_http_parsehost(char *, char *, size_t, int *); 696 ssize_t server_http_time(time_t, char *, size_t); 697 int server_log_http(struct client *, unsigned int, size_t); 698 699 /* server_file.c */ 700 int server_file(struct httpd *, struct client *); 701 void server_file_error(struct bufferevent *, short, void *); 702 703 /* server_fcgi.c */ 704 int server_fcgi(struct httpd *, struct client *); 705 int fcgi_add_stdin(struct client *, struct evbuffer *); 706 707 /* httpd.c */ 708 void event_again(struct event *, int, short, 709 void (*)(int, short, void *), 710 struct timeval *, struct timeval *, void *); 711 int expand_string(char *, size_t, const char *, const char *); 712 const char *url_decode(char *); 713 char *url_encode(const char *); 714 const char *canonicalize_path(const char *, char *, size_t); 715 size_t path_info(char *); 716 char *escape_html(const char *); 717 void socket_rlimit(int); 718 char *evbuffer_getline(struct evbuffer *); 719 char *get_string(uint8_t *, size_t); 720 void *get_data(uint8_t *, size_t); 721 int sockaddr_cmp(struct sockaddr *, struct sockaddr *, int); 722 struct in6_addr *prefixlen2mask6(uint8_t, uint32_t *); 723 uint32_t prefixlen2mask(uint8_t); 724 int accept_reserve(int, struct sockaddr *, socklen_t *, int, 725 volatile int *); 726 struct kv *kv_add(struct kvtree *, char *, char *); 727 int kv_set(struct kv *, char *, ...) 728 __attribute__((__format__ (printf, 2, 3))); 729 int kv_setkey(struct kv *, char *, ...) 730 __attribute__((__format__ (printf, 2, 3))); 731 void kv_delete(struct kvtree *, struct kv *); 732 struct kv *kv_extend(struct kvtree *, struct kv *, char *); 733 void kv_purge(struct kvtree *); 734 void kv_free(struct kv *); 735 struct kv *kv_find(struct kvtree *, struct kv *); 736 int kv_cmp(struct kv *, struct kv *); 737 struct media_type 738 *media_add(struct mediatypes *, struct media_type *); 739 void media_delete(struct mediatypes *, struct media_type *); 740 void media_purge(struct mediatypes *); 741 struct media_type * 742 media_find(struct mediatypes *, const char *); 743 struct media_type * 744 media_find_config(struct httpd *, struct server_config *, 745 const char *); 746 int media_cmp(struct media_type *, struct media_type *); 747 RB_PROTOTYPE(kvtree, kv, kv_node, kv_cmp); 748 RB_PROTOTYPE(mediatypes, media_type, media_entry, media_cmp); 749 struct auth *auth_add(struct serverauth *, struct auth *); 750 struct auth *auth_byid(struct serverauth *, uint32_t); 751 void auth_free(struct serverauth *, struct auth *); 752 const char *print_host(struct sockaddr_storage *, char *, size_t); 753 const char *printb_flags(const uint32_t, const char *); 754 void getmonotime(struct timeval *); 755 756 extern struct httpd *httpd_env; 757 758 /* log.c */ 759 void log_init(int, int); 760 void log_procinit(const char *); 761 void log_setverbose(int); 762 int log_getverbose(void); 763 void log_warn(const char *, ...) 764 __attribute__((__format__ (printf, 1, 2))); 765 void log_warnx(const char *, ...) 766 __attribute__((__format__ (printf, 1, 2))); 767 void log_info(const char *, ...) 768 __attribute__((__format__ (printf, 1, 2))); 769 void log_debug(const char *, ...) 770 __attribute__((__format__ (printf, 1, 2))); 771 void logit(int, const char *, ...) 772 __attribute__((__format__ (printf, 2, 3))); 773 void vlog(int, const char *, va_list) 774 __attribute__((__format__ (printf, 2, 0))); 775 __dead void fatal(const char *, ...) 776 __attribute__((__format__ (printf, 1, 2))); 777 __dead void fatalx(const char *, ...) 778 __attribute__((__format__ (printf, 1, 2))); 779 780 /* proc.c */ 781 enum privsep_procid 782 proc_getid(struct privsep_proc *, unsigned int, const char *); 783 void proc_init(struct privsep *, struct privsep_proc *, unsigned int, int, 784 int, char **, enum privsep_procid); 785 void proc_kill(struct privsep *); 786 void proc_connect(struct privsep *); 787 void proc_dispatch(int, short event, void *); 788 void proc_run(struct privsep *, struct privsep_proc *, 789 struct privsep_proc *, unsigned int, 790 void (*)(struct privsep *, struct privsep_proc *, void *), void *); 791 void proc_range(struct privsep *, enum privsep_procid, int *, int *); 792 int proc_compose_imsg(struct privsep *, enum privsep_procid, int, 793 u_int16_t, u_int32_t, int, void *, u_int16_t); 794 int proc_compose(struct privsep *, enum privsep_procid, 795 uint16_t, void *, uint16_t); 796 int proc_composev_imsg(struct privsep *, enum privsep_procid, int, 797 u_int16_t, u_int32_t, int, const struct iovec *, int); 798 int proc_composev(struct privsep *, enum privsep_procid, 799 uint16_t, const struct iovec *, int); 800 int proc_forward_imsg(struct privsep *, struct imsg *, 801 enum privsep_procid, int); 802 struct imsgbuf * 803 proc_ibuf(struct privsep *, enum privsep_procid, int); 804 struct imsgev * 805 proc_iev(struct privsep *, enum privsep_procid, int); 806 int proc_flush_imsg(struct privsep *, enum privsep_procid, int); 807 void imsg_event_add(struct imsgev *); 808 int imsg_compose_event(struct imsgev *, uint16_t, uint32_t, 809 pid_t, int, void *, uint16_t); 810 int imsg_composev_event(struct imsgev *, uint16_t, uint32_t, 811 pid_t, int, const struct iovec *, int); 812 813 /* config.c */ 814 int config_init(struct httpd *); 815 void config_purge(struct httpd *, unsigned int); 816 int config_setreset(struct httpd *, unsigned int); 817 int config_getreset(struct httpd *, struct imsg *); 818 int config_getcfg(struct httpd *, struct imsg *); 819 int config_setserver(struct httpd *, struct server *); 820 int config_setserver_tls(struct httpd *, struct server *); 821 int config_setserver_fcgiparams(struct httpd *, struct server *); 822 int config_getserver(struct httpd *, struct imsg *); 823 int config_getserver_tls(struct httpd *, struct imsg *); 824 int config_getserver_fcgiparams(struct httpd *, struct imsg *); 825 int config_setmedia(struct httpd *, struct media_type *); 826 int config_getmedia(struct httpd *, struct imsg *); 827 int config_setauth(struct httpd *, struct auth *); 828 int config_getauth(struct httpd *, struct imsg *); 829 830 /* logger.c */ 831 void logger(struct privsep *, struct privsep_proc *); 832 int logger_open_priv(struct imsg *); 833 834 #endif /* _HTTPD_H */ 835