1 #include "first.h" 2 3 #include "network.h" 4 #include "base.h" 5 #include "fdevent.h" 6 #include "log.h" 7 #include "connections.h" 8 #include "plugin.h" 9 #include "sock_addr.h" 10 11 #include "network_write.h" 12 #include "sys-socket.h" 13 14 #include <sys/types.h> 15 #include <sys/stat.h> 16 #include <sys/time.h> 17 18 #include <errno.h> 19 #include <fcntl.h> 20 #include <unistd.h> 21 #include <string.h> 22 #include <stdlib.h> 23 24 void 25 network_accept_tcp_nagle_disable (const int fd) 26 { 27 static int noinherit_tcpnodelay = -1; 28 int opt; 29 30 if (!noinherit_tcpnodelay) /* TCP_NODELAY inherited from listen socket */ 31 return; 32 33 if (noinherit_tcpnodelay < 0) { 34 socklen_t optlen = sizeof(opt); 35 if (0 == getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, &optlen)) { 36 noinherit_tcpnodelay = !opt; 37 if (opt) /* TCP_NODELAY inherited from listen socket */ 38 return; 39 } 40 } 41 42 opt = 1; 43 (void)setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt)); 44 } 45 46 static handler_t network_server_handle_fdevent(void *context, int revents) { 47 server_socket * const srv_socket = (server_socket *)context; 48 server * const srv = srv_socket->srv; 49 connection *con; 50 int loops; 51 52 if (0 == (revents & FDEVENT_IN)) { 53 log_error(srv->errh, __FILE__, __LINE__, 54 "strange event for server socket %d %d", srv_socket->fd, revents); 55 return HANDLER_ERROR; 56 } 57 58 /* accept()s at most 100 connections directly 59 * 60 * we jump out after 100 to give the waiting connections a chance */ 61 if (srv->conns.used >= srv->max_conns) return HANDLER_GO_ON; 62 loops = (int)(srv->max_conns - srv->conns.used + 1); 63 if (loops > 100) loops = 101; 64 65 while (--loops && NULL != (con = connection_accept(srv, srv_socket))) 66 connection_state_machine(con); 67 68 return HANDLER_GO_ON; 69 } 70 71 static void network_host_normalize_addr_str(buffer *host, sock_addr *addr) { 72 buffer_clear(host); 73 sock_addr_stringify_append_buffer(host, addr); 74 } 75 76 static int network_host_parse_addr(server *srv, sock_addr *addr, socklen_t *addr_len, buffer *host, int use_ipv6) { 77 char *h; 78 char *colon = NULL; 79 const char *chost; 80 sa_family_t family = use_ipv6 ? AF_INET6 : AF_INET; 81 unsigned int port = srv->srvconf.port; 82 if (buffer_string_is_empty(host)) { 83 log_error(srv->errh, __FILE__, __LINE__, 84 "value of $SERVER[\"socket\"] must not be empty"); 85 return -1; 86 } 87 h = host->ptr; 88 if (h[0] == '/') { 89 #ifdef HAVE_SYS_UN_H 90 return (1 == 91 sock_addr_from_str_hints(addr,addr_len,h,AF_UNIX,0,srv->errh)) 92 ? 0 93 : -1; 94 #else 95 log_error(srv, __FILE__, __LINE__, 96 "ERROR: Unix Domain sockets are not supported."); 97 return -1; 98 #endif 99 } 100 buffer * const tb = srv->tmp_buf; 101 buffer_copy_buffer(tb, host); 102 h = tb->ptr; 103 if (h[0] == '[') { 104 family = AF_INET6; 105 if ((h = strchr(h, ']'))) { 106 *h++ = '\0'; 107 if (*h == ':') colon = h; 108 } /*(else should not happen; validated in configparser.y)*/ 109 h = tb->ptr+1; 110 } 111 else { 112 colon = strrchr(h, ':'); 113 } 114 if (colon) { 115 *colon++ = '\0'; 116 port = (unsigned int)strtol(colon, NULL, 10); 117 if (port == 0 || port > 65535) { 118 log_error(srv->errh, __FILE__, __LINE__, 119 "port not set or out of range: %u", port); 120 return -1; 121 } 122 } 123 chost = *h ? h : family == AF_INET ? "0.0.0.0" : "::"; 124 if (1 != 125 sock_addr_from_str_hints(addr,addr_len,chost,family,port,srv->errh)) { 126 return -1; 127 } 128 return 0; 129 } 130 131 static void network_srv_sockets_append(server *srv, server_socket *srv_socket) { 132 if (srv->srv_sockets.used == srv->srv_sockets.size) { 133 srv->srv_sockets.size += 4; 134 srv->srv_sockets.ptr = realloc(srv->srv_sockets.ptr, srv->srv_sockets.size * sizeof(server_socket*)); 135 force_assert(NULL != srv->srv_sockets.ptr); 136 } 137 138 srv->srv_sockets.ptr[srv->srv_sockets.used++] = srv_socket; 139 } 140 141 typedef struct { 142 /* global or per-socket config; not patched per connection */ 143 int listen_backlog; 144 unsigned char ssl_enabled; 145 unsigned char mbedtls_enabled; /* TODO: more integration needed ... */ 146 unsigned char use_ipv6; 147 unsigned char set_v6only; /* set_v6only is only a temporary option */ 148 unsigned char defer_accept; 149 const buffer *socket_perms; 150 const buffer *bsd_accept_filter; 151 } network_socket_config; 152 153 typedef struct { 154 PLUGIN_DATA; 155 network_socket_config defaults; 156 network_socket_config conf; 157 } network_plugin_data; 158 159 static void network_merge_config_cpv(network_socket_config * const pconf, const config_plugin_value_t * const cpv) { 160 switch (cpv->k_id) { /* index into static config_plugin_keys_t cpk[] */ 161 case 0: /* ssl.engine */ 162 pconf->ssl_enabled = (0 != cpv->v.u); 163 break; 164 case 1: /* server.listen-backlog */ 165 pconf->listen_backlog = (int)cpv->v.u; 166 break; 167 case 2: /* server.socket-perms */ 168 pconf->socket_perms = cpv->v.b; 169 break; 170 case 3: /* server.bsd-accept-filter */ 171 pconf->bsd_accept_filter = cpv->v.b; 172 break; 173 case 4: /* server.defer-accept */ 174 pconf->defer_accept = (0 != cpv->v.u); 175 break; 176 case 5: /* server.use-ipv6 */ 177 pconf->use_ipv6 = (0 != cpv->v.u); 178 break; 179 case 6: /* server.set-v6only */ 180 pconf->set_v6only = (0 != cpv->v.u); 181 break; 182 default:/* should not happen */ 183 return; 184 } 185 } 186 187 static void network_merge_config(network_socket_config * const pconf, const config_plugin_value_t *cpv) { 188 do { 189 network_merge_config_cpv(pconf, cpv); 190 } while ((++cpv)->k_id != -1); 191 } 192 193 static int network_server_init(server *srv, network_socket_config *s, buffer *host_token, size_t sidx, int stdin_fd) { 194 server_socket *srv_socket; 195 const char *host; 196 socklen_t addr_len = sizeof(sock_addr); 197 sock_addr addr; 198 int family = 0; 199 int set_v6only = 0; 200 201 if (buffer_string_is_empty(host_token)) { 202 log_error(srv->errh, __FILE__, __LINE__, 203 "value of $SERVER[\"socket\"] must not be empty"); 204 return -1; 205 } 206 207 /* check if we already know this socket, and if yes, don't init it 208 * (optimization: check strings here to filter out exact matches; 209 * binary addresses are matched further below) */ 210 for (uint32_t i = 0; i < srv->srv_sockets.used; ++i) { 211 if (buffer_is_equal(srv->srv_sockets.ptr[i]->srv_token, host_token)) { 212 return 0; 213 } 214 } 215 216 host = host_token->ptr; 217 if ((s->use_ipv6 && (*host == '\0' || *host == ':')) || (host[0] == '[' && host[1] == ']')) { 218 log_error(srv->errh, __FILE__, __LINE__, 219 "warning: please use server.use-ipv6 only for hostnames, " 220 "not without server.bind / empty address; your config will " 221 "break if the kernel default for IPV6_V6ONLY changes"); 222 } 223 if (*host == '[') s->use_ipv6 = 1; 224 225 memset(&addr, 0, sizeof(addr)); 226 if (-1 != stdin_fd) { 227 if (-1 == getsockname(stdin_fd, (struct sockaddr *)&addr, &addr_len)) { 228 log_perror(srv->errh, __FILE__, __LINE__, "getsockname()"); 229 return -1; 230 } 231 } else if (0 != network_host_parse_addr(srv, &addr, &addr_len, host_token, s->use_ipv6)) { 232 return -1; 233 } 234 235 family = sock_addr_get_family(&addr); 236 237 #ifdef HAVE_IPV6 238 if (*host != '\0' && AF_INET6 == family) { 239 if (s->set_v6only) { 240 set_v6only = 1; 241 } else { 242 log_error(srv->errh, __FILE__, __LINE__, 243 "warning: server.set-v6only will be removed soon, " 244 "update your config to have different sockets for ipv4 and ipv6"); 245 } 246 } 247 #endif 248 249 network_host_normalize_addr_str(host_token, &addr); 250 host = host_token->ptr; 251 252 if (srv->srvconf.preflight_check) { 253 return 0; 254 } 255 256 /* check if we already know this socket (after potential DNS resolution), and if yes, don't init it */ 257 for (uint32_t i = 0; i < srv->srv_sockets.used; ++i) { 258 if (0 == memcmp(&srv->srv_sockets.ptr[i]->addr, &addr, sizeof(addr))) { 259 return 0; 260 } 261 } 262 263 srv_socket = calloc(1, sizeof(*srv_socket)); 264 force_assert(NULL != srv_socket); 265 memcpy(&srv_socket->addr, &addr, addr_len); 266 srv_socket->fd = -1; 267 srv_socket->sidx = sidx; 268 srv_socket->is_ssl = (s->ssl_enabled || s->mbedtls_enabled); 269 srv_socket->srv = srv; 270 srv_socket->srv_token = buffer_init_buffer(host_token); 271 272 network_srv_sockets_append(srv, srv_socket); 273 274 if (srv->sockets_disabled) { /* lighttpd -1 (one-shot mode) */ 275 return 0; 276 } 277 278 if (srv->srvconf.systemd_socket_activation) { 279 for (uint32_t i = 0; i < srv->srv_sockets_inherited.used; ++i) { 280 if (0 != memcmp(&srv->srv_sockets_inherited.ptr[i]->addr, &srv_socket->addr, addr_len)) continue; 281 if ((unsigned short)~0u == srv->srv_sockets_inherited.ptr[i]->sidx) { 282 srv->srv_sockets_inherited.ptr[i]->sidx = sidx; 283 } 284 stdin_fd = srv->srv_sockets_inherited.ptr[i]->fd; 285 break; 286 } 287 } 288 289 if (-1 != stdin_fd) { 290 srv_socket->fd = stdin_fd; 291 if (-1 == fdevent_fcntl_set_nb_cloexec(stdin_fd)) { 292 log_perror(srv->errh, __FILE__, __LINE__, "fcntl"); 293 return -1; 294 } 295 } else 296 #ifdef HAVE_SYS_UN_H 297 if (AF_UNIX == family) { 298 /* check if the socket exists and try to connect to it. */ 299 force_assert(host); /*(static analysis hint)*/ 300 if (-1 == (srv_socket->fd = fdevent_socket_cloexec(AF_UNIX, SOCK_STREAM, 0))) { 301 log_perror(srv->errh, __FILE__, __LINE__, "socket"); 302 return -1; 303 } 304 if (0 == connect(srv_socket->fd, (struct sockaddr *) &(srv_socket->addr), addr_len)) { 305 log_error(srv->errh, __FILE__, __LINE__, 306 "server socket is still in use: %s", host); 307 return -1; 308 } 309 310 /* connect failed */ 311 switch(errno) { 312 case ECONNREFUSED: 313 unlink(host); 314 break; 315 case ENOENT: 316 break; 317 default: 318 log_perror(srv->errh, __FILE__, __LINE__, 319 "testing socket failed: %s", host); 320 return -1; 321 } 322 323 if (-1 == fdevent_fcntl_set_nb(srv_socket->fd)) { 324 log_perror(srv->errh, __FILE__, __LINE__, "fcntl"); 325 return -1; 326 } 327 } else 328 #endif 329 { 330 if (-1 == (srv_socket->fd = fdevent_socket_nb_cloexec(family, SOCK_STREAM, IPPROTO_TCP))) { 331 log_perror(srv->errh, __FILE__, __LINE__, "socket"); 332 return -1; 333 } 334 } 335 336 #ifdef HAVE_IPV6 337 if (set_v6only && -1 == stdin_fd) { 338 int val = 1; 339 if (-1 == setsockopt(srv_socket->fd, IPPROTO_IPV6, IPV6_V6ONLY, &val, sizeof(val))) { 340 log_perror(srv->errh, __FILE__, __LINE__, "setsockopt(IPV6_V6ONLY)"); 341 return -1; 342 } 343 } 344 #endif 345 346 /* */ 347 srv->cur_fds = srv_socket->fd; 348 349 if (fdevent_set_so_reuseaddr(srv_socket->fd, 1) < 0) { 350 log_perror(srv->errh, __FILE__, __LINE__, "setsockopt(SO_REUSEADDR)"); 351 return -1; 352 } 353 354 if (family != AF_UNIX) { 355 if (fdevent_set_tcp_nodelay(srv_socket->fd, 1) < 0) { 356 log_perror(srv->errh, __FILE__, __LINE__, "setsockopt(TCP_NODELAY)"); 357 return -1; 358 } 359 } 360 361 if (-1 != stdin_fd) { } else 362 if (0 != bind(srv_socket->fd, (struct sockaddr *) &(srv_socket->addr), addr_len)) { 363 log_perror(srv->errh, __FILE__, __LINE__, 364 "can't bind to socket: %s", host); 365 return -1; 366 } 367 368 if (-1 != stdin_fd) { } else 369 if (AF_UNIX == family && !buffer_string_is_empty(s->socket_perms)) { 370 mode_t m = 0; 371 for (char *str = s->socket_perms->ptr; *str; ++str) { 372 m <<= 3; 373 m |= (*str - '0'); 374 } 375 if (0 != m && -1 == chmod(host, m)) { 376 log_perror(srv->errh, __FILE__, __LINE__, 377 "chmod(\"%s\", %s)", host, s->socket_perms->ptr); 378 } 379 } 380 381 if (-1 != stdin_fd) { } else 382 if (-1 == listen(srv_socket->fd, s->listen_backlog)) { 383 log_perror(srv->errh, __FILE__, __LINE__, "listen"); 384 return -1; 385 } 386 387 if (s->ssl_enabled || s->mbedtls_enabled) { 388 #ifdef TCP_DEFER_ACCEPT 389 } else if (s->defer_accept) { 390 int v = s->defer_accept; 391 if (-1 == setsockopt(srv_socket->fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &v, sizeof(v))) { 392 log_perror(srv->errh, __FILE__, __LINE__, "can't set TCP_DEFER_ACCEPT"); 393 } 394 #endif 395 #if defined(__FreeBSD__) || defined(__NetBSD__) \ 396 || defined(__OpenBSD__) || defined(__DragonFly__) 397 } else if (!buffer_is_empty(s->bsd_accept_filter) 398 && (buffer_is_equal_string(s->bsd_accept_filter, CONST_STR_LEN("httpready")) 399 || buffer_is_equal_string(s->bsd_accept_filter, CONST_STR_LEN("dataready")))) { 400 #ifdef SO_ACCEPTFILTER 401 /* FreeBSD accf_http filter */ 402 struct accept_filter_arg afa; 403 memset(&afa, 0, sizeof(afa)); 404 strncpy(afa.af_name, s->bsd_accept_filter->ptr, sizeof(afa.af_name)); 405 if (setsockopt(srv_socket->fd, SOL_SOCKET, SO_ACCEPTFILTER, &afa, sizeof(afa)) < 0) { 406 if (errno != ENOENT) { 407 log_perror(srv->errh, __FILE__, __LINE__, 408 "can't set accept-filter '%s'", s->bsd_accept_filter->ptr); 409 } 410 } 411 #endif 412 #endif 413 } 414 415 return 0; 416 } 417 418 int network_close(server *srv) { 419 for (uint32_t i = 0; i < srv->srv_sockets.used; ++i) { 420 server_socket *srv_socket = srv->srv_sockets.ptr[i]; 421 if (srv_socket->fd != -1) { 422 network_unregister_sock(srv, srv_socket); 423 close(srv_socket->fd); 424 } 425 426 buffer_free(srv_socket->srv_token); 427 428 free(srv_socket); 429 } 430 431 free(srv->srv_sockets.ptr); 432 srv->srv_sockets.ptr = NULL; 433 srv->srv_sockets.used = 0; 434 srv->srv_sockets.size = 0; 435 436 for (uint32_t i = 0; i < srv->srv_sockets_inherited.used; ++i) { 437 server_socket *srv_socket = srv->srv_sockets_inherited.ptr[i]; 438 if (srv_socket->fd != -1 && srv_socket->sidx != (unsigned short)~0u) { 439 close(srv_socket->fd); 440 } 441 442 buffer_free(srv_socket->srv_token); 443 444 free(srv_socket); 445 } 446 447 free(srv->srv_sockets_inherited.ptr); 448 srv->srv_sockets_inherited.ptr = NULL; 449 srv->srv_sockets_inherited.used = 0; 450 srv->srv_sockets_inherited.size = 0; 451 452 return 0; 453 } 454 455 static int network_socket_activation_nfds(server *srv, network_socket_config *s, int nfds) { 456 buffer *host = buffer_init(); 457 socklen_t addr_len; 458 sock_addr addr; 459 int rc = 0; 460 nfds += 3; /* #define SD_LISTEN_FDS_START 3 */ 461 for (int fd = 3; fd < nfds; ++fd) { 462 addr_len = sizeof(sock_addr); 463 if (-1 == (rc = getsockname(fd, (struct sockaddr *)&addr, &addr_len))) { 464 log_perror(srv->errh, __FILE__, __LINE__, 465 "socket activation getsockname()"); 466 break; 467 } 468 network_host_normalize_addr_str(host, &addr); 469 rc = network_server_init(srv, s, host, 0, fd); 470 if (0 != rc) break; 471 srv->srv_sockets.ptr[srv->srv_sockets.used-1]->sidx = (unsigned short)~0u; 472 } 473 buffer_free(host); 474 memcpy(&srv->srv_sockets_inherited, &srv->srv_sockets, sizeof(server_socket_array)); 475 memset(&srv->srv_sockets, 0, sizeof(server_socket_array)); 476 return rc; 477 } 478 479 static int network_socket_activation_from_env(server *srv, network_socket_config *s) { 480 char *listen_pid = getenv("LISTEN_PID"); 481 char *listen_fds = getenv("LISTEN_FDS"); 482 pid_t lpid = listen_pid ? (pid_t)strtoul(listen_pid,NULL,10) : 0; 483 int nfds = listen_fds ? atoi(listen_fds) : 0; 484 int rc = (lpid == getpid() && nfds > 0) 485 ? network_socket_activation_nfds(srv, s, nfds) 486 : 0; 487 unsetenv("LISTEN_PID"); 488 unsetenv("LISTEN_FDS"); 489 unsetenv("LISTEN_FDNAMES"); 490 /*(upon graceful restart, unsetenv will result in no-op above)*/ 491 return rc; 492 } 493 494 int network_init(server *srv, int stdin_fd) { 495 /*(network params used during setup (from $SERVER["socket"] condition))*/ 496 static const config_plugin_keys_t cpk[] = { 497 { CONST_STR_LEN("ssl.engine"), 498 T_CONFIG_BOOL, 499 T_CONFIG_SCOPE_CONNECTION } 500 ,{ CONST_STR_LEN("server.listen-backlog"), 501 T_CONFIG_INT, 502 T_CONFIG_SCOPE_CONNECTION } 503 ,{ CONST_STR_LEN("server.socket-perms"), 504 T_CONFIG_STRING, 505 T_CONFIG_SCOPE_CONNECTION } 506 ,{ CONST_STR_LEN("server.bsd-accept-filter"), 507 T_CONFIG_STRING, 508 T_CONFIG_SCOPE_CONNECTION } 509 ,{ CONST_STR_LEN("server.defer-accept"), 510 T_CONFIG_BOOL, 511 T_CONFIG_SCOPE_CONNECTION } 512 ,{ CONST_STR_LEN("server.use-ipv6"), 513 T_CONFIG_BOOL, 514 T_CONFIG_SCOPE_CONNECTION } 515 ,{ CONST_STR_LEN("server.set-v6only"), 516 T_CONFIG_BOOL, 517 T_CONFIG_SCOPE_CONNECTION } 518 #if 0 /* TODO: more integration needed ... */ 519 ,{ CONST_STR_LEN("mbedtls.engine"), 520 T_CONFIG_BOOL, 521 T_CONFIG_SCOPE_CONNECTION } 522 #endif 523 ,{ NULL, 0, 524 T_CONFIG_UNSET, 525 T_CONFIG_SCOPE_UNSET } 526 }; 527 528 #ifdef __WIN32 529 WSADATA wsaData; 530 WORD wVersionRequested = MAKEWORD(2, 2); 531 if (0 != WSAStartup(wVersionRequested, &wsaData)) { 532 /* Tell the user that we could not find a usable WinSock DLL */ 533 return -1; 534 } 535 #endif 536 537 if (0 != network_write_init(srv)) return -1; 538 539 network_plugin_data np; 540 memset(&np, 0, sizeof(network_plugin_data)); 541 network_plugin_data *p = &np; 542 543 if (!config_plugin_values_init(srv, p, cpk, "network")) 544 return HANDLER_ERROR; 545 546 p->defaults.listen_backlog = 1024; 547 p->defaults.defer_accept = 0; 548 p->defaults.use_ipv6 = 0; 549 p->defaults.set_v6only = 1; 550 551 /* initialize p->defaults from global config context */ 552 if (p->nconfig > 0 && p->cvlist->v.u2[1]) { 553 const config_plugin_value_t *cpv = p->cvlist + p->cvlist->v.u2[0]; 554 if (-1 != cpv->k_id) 555 network_merge_config(&p->defaults, cpv); 556 } 557 558 int rc = 0; 559 do { 560 561 if (srv->srvconf.systemd_socket_activation) { 562 for (uint32_t i = 0; i < srv->srv_sockets_inherited.used; ++i) { 563 srv->srv_sockets_inherited.ptr[i]->sidx = (unsigned short)~0u; 564 } 565 rc = network_socket_activation_from_env(srv, &p->defaults); 566 if (0 != rc) break; 567 if (0 == srv->srv_sockets_inherited.used) { 568 srv->srvconf.systemd_socket_activation = 0; 569 } 570 } 571 572 /* process srv->srvconf.bindhost 573 * (skip if systemd socket activation is enabled and bindhost is empty; 574 * do not additionally listen on "*") */ 575 if (!srv->srvconf.systemd_socket_activation 576 || !buffer_string_is_empty(srv->srvconf.bindhost)) { 577 buffer *b = buffer_init(); 578 buffer_copy_buffer(b, srv->srvconf.bindhost); 579 if (b->ptr[0] != '/') { /*(skip adding port if unix socket path)*/ 580 buffer_append_string_len(b, CONST_STR_LEN(":")); 581 buffer_append_int(b, srv->srvconf.port); 582 } 583 584 rc = (-1 == stdin_fd || 0 == srv->srv_sockets.used) 585 ? network_server_init(srv, &p->defaults, b, 0, stdin_fd) 586 : close(stdin_fd);/*(graceful restart listening to "/dev/stdin")*/ 587 buffer_free(b); 588 if (0 != rc) break; 589 } 590 591 /* check for $SERVER["socket"] */ 592 for (uint32_t i = 1; i < srv->config_context->used; ++i) { 593 config_cond_info cfginfo; 594 config_get_config_cond_info(&cfginfo, i); 595 if (COMP_SERVER_SOCKET != cfginfo.comp) continue;/* not our stage */ 596 597 buffer *host_token; 598 *(const buffer **)&host_token = cfginfo.string; 599 /*(cfginfo.string is modified during config)*/ 600 601 memcpy(&p->conf, &p->defaults, sizeof(network_socket_config)); 602 for (int j = !p->cvlist[0].v.u2[1]; j < p->nconfig; ++j) { 603 if ((int)i != p->cvlist[j].k_id) continue; 604 const config_plugin_value_t *cpv = 605 p->cvlist + p->cvlist[j].v.u2[0]; 606 network_merge_config(&p->conf, cpv); 607 break; 608 } 609 610 if (cfginfo.cond == CONFIG_COND_EQ) { 611 rc = network_server_init(srv, &p->conf, host_token, i, -1); 612 if (0 != rc) break; 613 } 614 else if (cfginfo.cond == CONFIG_COND_NE) { 615 socklen_t addr_len = sizeof(sock_addr); 616 sock_addr addr; 617 rc = network_host_parse_addr(srv, &addr, &addr_len, 618 host_token, p->conf.use_ipv6); 619 if (0 != rc) break; 620 network_host_normalize_addr_str(host_token, &addr); 621 } 622 } 623 if (0 != rc) break; 624 625 if (srv->srvconf.systemd_socket_activation) { 626 /* activate any inherited sockets not explicitly listed in config */ 627 server_socket *srv_socket; 628 for (uint32_t i = 0; i < srv->srv_sockets_inherited.used; ++i) { 629 if ((unsigned short)~0u 630 != srv->srv_sockets_inherited.ptr[i]->sidx) 631 continue; 632 srv->srv_sockets_inherited.ptr[i]->sidx = 0; 633 srv_socket = calloc(1, sizeof(server_socket)); 634 force_assert(NULL != srv_socket); 635 memcpy(srv_socket, srv->srv_sockets_inherited.ptr[i], 636 sizeof(server_socket)); 637 network_srv_sockets_append(srv, srv_socket); 638 } 639 } 640 641 } while (0); 642 643 free(p->cvlist); 644 return rc; 645 } 646 647 void network_unregister_sock(server *srv, server_socket *srv_socket) { 648 fdnode *fdn = srv_socket->fdn; 649 if (NULL == fdn) return; 650 fdevent_fdnode_event_del(srv->ev, fdn); 651 fdevent_unregister(srv->ev, fdn->fd); 652 srv_socket->fdn = NULL; 653 } 654 655 int network_register_fdevents(server *srv) { 656 if (-1 == fdevent_reset(srv->ev)) { 657 return -1; 658 } 659 660 if (srv->sockets_disabled) return 0; /* lighttpd -1 (one-shot mode) */ 661 662 /* register fdevents after reset */ 663 for (uint32_t i = 0; i < srv->srv_sockets.used; ++i) { 664 server_socket *srv_socket = srv->srv_sockets.ptr[i]; 665 666 srv_socket->fdn = fdevent_register(srv->ev, srv_socket->fd, network_server_handle_fdevent, srv_socket); 667 fdevent_fdnode_event_set(srv->ev, srv_socket->fdn, FDEVENT_IN); 668 } 669 return 0; 670 } 671