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54ac8b60 VY |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * listener.c: Listens on a port. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
24 | * $Id: listener.c 3460 2007-05-18 20:31:33Z jilles $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "setup.h" | |
29 | #include "listener.h" | |
30 | #include "client.h" | |
4562c604 | 31 | #include "match.h" |
54ac8b60 VY |
32 | #include "ircd.h" |
33 | #include "ircd_defs.h" | |
34 | #include "numeric.h" | |
35 | #include "s_conf.h" | |
36 | #include "s_newconf.h" | |
37 | #include "s_stats.h" | |
38 | #include "send.h" | |
39 | #include "s_auth.h" | |
40 | #include "reject.h" | |
41 | #include "s_conf.h" | |
42 | #include "hostmask.h" | |
c6d72037 VY |
43 | #include "sslproc.h" |
44 | #include "hash.h" | |
77d3d2db KB |
45 | #include "s_assert.h" |
46 | #include "logger.h" | |
54ac8b60 VY |
47 | |
48 | #ifndef INADDR_NONE | |
49 | #define INADDR_NONE ((unsigned int) 0xffffffff) | |
50 | #endif | |
51 | ||
9ea3ea10 | 52 | #if defined(NO_IN6ADDR_ANY) && defined(RB_IPV6) |
54ac8b60 VY |
53 | static const struct in6_addr in6addr_any = |
54 | { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }; | |
55 | #endif | |
56 | ||
8f103562 | 57 | static struct Listener *ListenerPollList = NULL; |
1087485c | 58 | static int accept_precallback(rb_fde_t *F, struct sockaddr *addr, rb_socklen_t addrlen, void *data); |
8e09c4a2 | 59 | static void accept_callback(rb_fde_t *F, int status, struct sockaddr *addr, rb_socklen_t addrlen, void *data); |
54ac8b60 | 60 | |
8f103562 | 61 | static struct Listener * |
e7046ee5 | 62 | make_listener(struct rb_sockaddr_storage *addr) |
54ac8b60 | 63 | { |
8f103562 | 64 | struct Listener *listener = (struct Listener *) rb_malloc(sizeof(struct Listener)); |
54ac8b60 | 65 | s_assert(0 != listener); |
54ac8b60 | 66 | listener->name = me.name; |
f691939a VY |
67 | listener->F = NULL; |
68 | ||
e7046ee5 | 69 | memcpy(&listener->addr, addr, sizeof(struct rb_sockaddr_storage)); |
54ac8b60 VY |
70 | listener->next = NULL; |
71 | return listener; | |
72 | } | |
73 | ||
74 | void | |
8f103562 | 75 | free_listener(struct Listener *listener) |
54ac8b60 VY |
76 | { |
77 | s_assert(NULL != listener); | |
78 | if(listener == NULL) | |
79 | return; | |
80 | /* | |
81 | * remove from listener list | |
82 | */ | |
83 | if(listener == ListenerPollList) | |
84 | ListenerPollList = listener->next; | |
85 | else | |
86 | { | |
8f103562 | 87 | struct Listener *prev = ListenerPollList; |
54ac8b60 VY |
88 | for (; prev; prev = prev->next) |
89 | { | |
90 | if(listener == prev->next) | |
91 | { | |
92 | prev->next = listener->next; | |
93 | break; | |
94 | } | |
95 | } | |
96 | } | |
97 | ||
98 | /* free */ | |
99 | rb_free(listener); | |
100 | } | |
101 | ||
102 | #define PORTNAMELEN 6 /* ":31337" */ | |
103 | ||
104 | /* | |
105 | * get_listener_name - return displayable listener name and port | |
106 | * returns "host.foo.org:6667" for a given listener | |
107 | */ | |
108 | const char * | |
8f103562 | 109 | get_listener_name(const struct Listener *listener) |
54ac8b60 VY |
110 | { |
111 | static char buf[HOSTLEN + HOSTLEN + PORTNAMELEN + 4]; | |
112 | int port = 0; | |
113 | ||
114 | s_assert(NULL != listener); | |
115 | if(listener == NULL) | |
116 | return NULL; | |
117 | ||
9ea3ea10 | 118 | #ifdef RB_IPV6 |
54ac8b60 VY |
119 | if(listener->addr.ss_family == AF_INET6) |
120 | port = ntohs(((const struct sockaddr_in6 *)&listener->addr)->sin6_port); | |
121 | else | |
122 | #endif | |
123 | port = ntohs(((const struct sockaddr_in *)&listener->addr)->sin_port); | |
124 | ||
125 | rb_snprintf(buf, sizeof(buf), "%s[%s/%u]", me.name, listener->name, port); | |
126 | return buf; | |
127 | } | |
128 | ||
129 | /* | |
130 | * show_ports - send port listing to a client | |
131 | * inputs - pointer to client to show ports to | |
132 | * output - none | |
133 | * side effects - show ports | |
134 | */ | |
135 | void | |
136 | show_ports(struct Client *source_p) | |
137 | { | |
8f103562 | 138 | struct Listener *listener = 0; |
54ac8b60 VY |
139 | |
140 | for (listener = ListenerPollList; listener; listener = listener->next) | |
141 | { | |
142 | sendto_one_numeric(source_p, RPL_STATSPLINE, | |
143 | form_str(RPL_STATSPLINE), 'P', | |
9ea3ea10 | 144 | #ifdef RB_IPV6 |
54ac8b60 VY |
145 | ntohs(listener->addr.ss_family == AF_INET ? ((struct sockaddr_in *)&listener->addr)->sin_port : |
146 | ((struct sockaddr_in6 *)&listener->addr)->sin6_port), | |
147 | #else | |
148 | ntohs(((struct sockaddr_in *)&listener->addr)->sin_port), | |
149 | #endif | |
150 | IsOperAdmin(source_p) ? listener->name : me.name, | |
8bd5767b | 151 | listener->ref_count, (listener->active) ? "active" : "disabled", |
c6d72037 | 152 | listener->ssl ? " ssl" : ""); |
54ac8b60 VY |
153 | } |
154 | } | |
155 | ||
156 | /* | |
157 | * inetport - create a listener socket in the AF_INET or AF_INET6 domain, | |
158 | * bind it to the port given in 'port' and listen to it | |
159 | * returns true (1) if successful false (0) on error. | |
160 | * | |
161 | * If the operating system has a define for SOMAXCONN, use it, otherwise | |
162 | * use RATBOX_SOMAXCONN | |
163 | */ | |
164 | #ifdef SOMAXCONN | |
165 | #undef RATBOX_SOMAXCONN | |
166 | #define RATBOX_SOMAXCONN SOMAXCONN | |
167 | #endif | |
168 | ||
169 | static int | |
8f103562 | 170 | inetport(struct Listener *listener) |
54ac8b60 | 171 | { |
f691939a | 172 | rb_fde_t *F; |
54ac8b60 VY |
173 | int opt = 1; |
174 | ||
175 | /* | |
176 | * At first, open a new socket | |
177 | */ | |
178 | ||
f691939a | 179 | F = rb_socket(GET_SS_FAMILY(&listener->addr), SOCK_STREAM, 0, "Listener socket"); |
54ac8b60 | 180 | |
9ea3ea10 | 181 | #ifdef RB_IPV6 |
54ac8b60 VY |
182 | if(listener->addr.ss_family == AF_INET6) |
183 | { | |
184 | struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)&listener->addr; | |
185 | if(!IN6_ARE_ADDR_EQUAL(&in6->sin6_addr, &in6addr_any)) | |
186 | { | |
caa4d9d2 | 187 | rb_inet_ntop(AF_INET6, &in6->sin6_addr, listener->vhost, sizeof(listener->vhost)); |
54ac8b60 VY |
188 | listener->name = listener->vhost; |
189 | } | |
190 | } else | |
191 | #endif | |
192 | { | |
193 | struct sockaddr_in *in = (struct sockaddr_in *)&listener->addr; | |
194 | if(in->sin_addr.s_addr != INADDR_ANY) | |
195 | { | |
caa4d9d2 | 196 | rb_inet_ntop(AF_INET, &in->sin_addr, listener->vhost, sizeof(listener->vhost)); |
54ac8b60 VY |
197 | listener->name = listener->vhost; |
198 | } | |
199 | } | |
200 | ||
1087485c JT |
201 | if(F == NULL) |
202 | { | |
825ddf13 | 203 | ilog_error("opening listener socket"); |
1087485c JT |
204 | return 0; |
205 | } | |
206 | else if((maxconnections - 10) < rb_get_fd(F)) /* XXX this is kinda bogus*/ | |
207 | { | |
825ddf13 | 208 | ilog_error("no more connections left for listener"); |
1087485c JT |
209 | rb_close(F); |
210 | return 0; | |
54ac8b60 VY |
211 | } |
212 | ||
1087485c JT |
213 | /* |
214 | * XXX - we don't want to do all this crap for a listener | |
215 | * set_sock_opts(listener); | |
216 | */ | |
217 | if(setsockopt(rb_get_fd(F), SOL_SOCKET, SO_REUSEADDR, (char *) &opt, sizeof(opt))) | |
218 | { | |
825ddf13 | 219 | ilog_error("setting SO_REUSEADDR for listener"); |
1087485c JT |
220 | rb_close(F); |
221 | return 0; | |
54ac8b60 VY |
222 | } |
223 | ||
1087485c JT |
224 | /* |
225 | * Bind a port to listen for new connections if port is non-null, | |
226 | * else assume it is already open and try get something from it. | |
227 | */ | |
228 | ||
229 | if(bind(rb_get_fd(F), (struct sockaddr *) &listener->addr, GET_SS_LEN(&listener->addr))) | |
230 | { | |
825ddf13 | 231 | ilog_error("binding listener socket"); |
1087485c JT |
232 | rb_close(F); |
233 | return 0; | |
54ac8b60 VY |
234 | } |
235 | ||
02270e96 | 236 | if(rb_listen(F, RATBOX_SOMAXCONN, listener->defer_accept)) |
1087485c | 237 | { |
825ddf13 | 238 | ilog_error("listen()"); |
1087485c JT |
239 | rb_close(F); |
240 | return 0; | |
54ac8b60 VY |
241 | } |
242 | ||
1087485c JT |
243 | listener->F = F; |
244 | ||
f691939a | 245 | rb_accept_tcp(listener->F, accept_precallback, accept_callback, listener); |
54ac8b60 VY |
246 | return 1; |
247 | } | |
248 | ||
8f103562 | 249 | static struct Listener * |
e7046ee5 | 250 | find_listener(struct rb_sockaddr_storage *addr) |
54ac8b60 | 251 | { |
8f103562 JT |
252 | struct Listener *listener = NULL; |
253 | struct Listener *last_closed = NULL; | |
54ac8b60 VY |
254 | |
255 | for (listener = ListenerPollList; listener; listener = listener->next) | |
256 | { | |
257 | if(addr->ss_family != listener->addr.ss_family) | |
258 | continue; | |
259 | ||
260 | switch(addr->ss_family) | |
261 | { | |
262 | case AF_INET: | |
263 | { | |
264 | struct sockaddr_in *in4 = (struct sockaddr_in *)addr; | |
265 | struct sockaddr_in *lin4 = (struct sockaddr_in *)&listener->addr; | |
266 | if(in4->sin_addr.s_addr == lin4->sin_addr.s_addr && | |
267 | in4->sin_port == lin4->sin_port ) | |
268 | { | |
1087485c JT |
269 | if(listener->F == NULL) |
270 | last_closed = listener; | |
271 | else | |
54ac8b60 VY |
272 | return(listener); |
273 | } | |
274 | break; | |
275 | } | |
9ea3ea10 | 276 | #ifdef RB_IPV6 |
54ac8b60 VY |
277 | case AF_INET6: |
278 | { | |
279 | struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr; | |
280 | struct sockaddr_in6 *lin6 =(struct sockaddr_in6 *)&listener->addr; | |
281 | if(IN6_ARE_ADDR_EQUAL(&in6->sin6_addr, &lin6->sin6_addr) && | |
282 | in6->sin6_port == lin6->sin6_port) | |
283 | { | |
1087485c JT |
284 | if(listener->F == NULL) |
285 | last_closed = listener; | |
286 | else | |
54ac8b60 VY |
287 | return(listener); |
288 | } | |
289 | break; | |
290 | ||
291 | } | |
292 | #endif | |
293 | ||
294 | default: | |
295 | break; | |
296 | } | |
297 | } | |
298 | return last_closed; | |
299 | } | |
300 | ||
301 | ||
302 | /* | |
303 | * add_listener- create a new listener | |
304 | * port - the port number to listen on | |
305 | * vhost_ip - if non-null must contain a valid IP address string in | |
306 | * the format "255.255.255.255" | |
307 | */ | |
308 | void | |
02270e96 | 309 | add_listener(int port, const char *vhost_ip, int family, int ssl, int defer_accept) |
54ac8b60 | 310 | { |
8f103562 | 311 | struct Listener *listener; |
e7046ee5 | 312 | struct rb_sockaddr_storage vaddr; |
54ac8b60 VY |
313 | |
314 | /* | |
315 | * if no port in conf line, don't bother | |
316 | */ | |
317 | if(port == 0) | |
318 | return; | |
319 | memset(&vaddr, 0, sizeof(vaddr)); | |
320 | vaddr.ss_family = family; | |
321 | ||
322 | if(vhost_ip != NULL) | |
323 | { | |
324 | if(family == AF_INET) | |
325 | { | |
caa4d9d2 | 326 | if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in *)&vaddr)->sin_addr) <= 0) |
54ac8b60 VY |
327 | return; |
328 | } | |
9ea3ea10 | 329 | #ifdef RB_IPV6 |
54ac8b60 VY |
330 | else |
331 | { | |
caa4d9d2 | 332 | if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in6 *)&vaddr)->sin6_addr) <= 0) |
54ac8b60 VY |
333 | return; |
334 | ||
335 | } | |
336 | #endif | |
337 | } else | |
338 | { | |
339 | switch(family) | |
340 | { | |
341 | case AF_INET: | |
342 | ((struct sockaddr_in *)&vaddr)->sin_addr.s_addr = INADDR_ANY; | |
343 | break; | |
9ea3ea10 | 344 | #ifdef RB_IPV6 |
54ac8b60 VY |
345 | case AF_INET6: |
346 | memcpy(&((struct sockaddr_in6 *)&vaddr)->sin6_addr, &in6addr_any, sizeof(struct in6_addr)); | |
347 | break; | |
348 | default: | |
349 | return; | |
350 | #endif | |
351 | } | |
352 | } | |
353 | switch(family) | |
354 | { | |
355 | case AF_INET: | |
99c4835f | 356 | SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in)); |
54ac8b60 VY |
357 | ((struct sockaddr_in *)&vaddr)->sin_port = htons(port); |
358 | break; | |
9ea3ea10 | 359 | #ifdef RB_IPV6 |
54ac8b60 | 360 | case AF_INET6: |
99c4835f | 361 | SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in6)); |
54ac8b60 VY |
362 | ((struct sockaddr_in6 *)&vaddr)->sin6_port = htons(port); |
363 | break; | |
364 | #endif | |
365 | default: | |
366 | break; | |
367 | } | |
368 | if((listener = find_listener(&vaddr))) | |
369 | { | |
1087485c | 370 | if(listener->F != NULL) |
54ac8b60 VY |
371 | return; |
372 | } | |
373 | else | |
374 | { | |
375 | listener = make_listener(&vaddr); | |
376 | listener->next = ListenerPollList; | |
377 | ListenerPollList = listener; | |
378 | } | |
379 | ||
f691939a | 380 | listener->F = NULL; |
c6d72037 | 381 | listener->ssl = ssl; |
02270e96 | 382 | listener->defer_accept = defer_accept; |
54ac8b60 VY |
383 | |
384 | if(inetport(listener)) | |
385 | listener->active = 1; | |
386 | else | |
387 | close_listener(listener); | |
388 | } | |
389 | ||
390 | /* | |
391 | * close_listener - close a single listener | |
392 | */ | |
393 | void | |
8f103562 | 394 | close_listener(struct Listener *listener) |
54ac8b60 VY |
395 | { |
396 | s_assert(listener != NULL); | |
397 | if(listener == NULL) | |
398 | return; | |
1087485c JT |
399 | if(listener->F != NULL) |
400 | { | |
401 | rb_close(listener->F); | |
402 | listener->F = NULL; | |
54ac8b60 VY |
403 | } |
404 | ||
405 | listener->active = 0; | |
406 | ||
407 | if(listener->ref_count) | |
408 | return; | |
409 | ||
410 | free_listener(listener); | |
411 | } | |
412 | ||
413 | /* | |
414 | * close_listeners - close and free all listeners that are not being used | |
415 | */ | |
416 | void | |
417 | close_listeners() | |
418 | { | |
8f103562 JT |
419 | struct Listener *listener; |
420 | struct Listener *listener_next = 0; | |
54ac8b60 VY |
421 | /* |
422 | * close all 'extra' listening ports we have | |
423 | */ | |
424 | for (listener = ListenerPollList; listener; listener = listener_next) | |
425 | { | |
426 | listener_next = listener->next; | |
427 | close_listener(listener); | |
428 | } | |
429 | } | |
430 | ||
431 | #define DLINE_WARNING "ERROR :You have been D-lined.\r\n" | |
432 | ||
433 | /* | |
434 | * add_connection - creates a client which has just connected to us on | |
435 | * the given fd. The sockhost field is initialized with the ip# of the host. | |
436 | * The client is sent to the auth module for verification, and not put in | |
437 | * any client list yet. | |
438 | */ | |
1087485c | 439 | static void |
3540120a | 440 | add_connection(struct Listener *listener, rb_fde_t *F, struct sockaddr *sai, struct sockaddr *lai, void *ssl_ctl) |
54ac8b60 VY |
441 | { |
442 | struct Client *new_client; | |
443 | s_assert(NULL != listener); | |
444 | ||
445 | /* | |
446 | * get the client socket name from the socket | |
447 | * the client has already been checked out in accept_connection | |
448 | */ | |
449 | new_client = make_client(NULL); | |
450 | ||
e7046ee5 | 451 | memcpy(&new_client->localClient->ip, sai, sizeof(struct rb_sockaddr_storage)); |
3540120a | 452 | memcpy(&new_client->preClient->lip, lai, sizeof(struct rb_sockaddr_storage)); |
54ac8b60 VY |
453 | |
454 | /* | |
455 | * copy address to 'sockhost' as a string, copy it to host too | |
456 | * so we have something valid to put into error messages... | |
457 | */ | |
caa4d9d2 | 458 | rb_inet_ntop_sock((struct sockaddr *)&new_client->localClient->ip, new_client->sockhost, |
54ac8b60 VY |
459 | sizeof(new_client->sockhost)); |
460 | ||
461 | ||
f427c8b0 | 462 | rb_strlcpy(new_client->host, new_client->sockhost, sizeof(new_client->host)); |
54ac8b60 | 463 | |
99c4835f | 464 | new_client->localClient->F = F; |
c6d72037 | 465 | add_to_cli_fd_hash(new_client); |
54ac8b60 | 466 | new_client->localClient->listener = listener; |
8bd5767b JT |
467 | new_client->localClient->ssl_ctl = ssl_ctl; |
468 | if(ssl_ctl != NULL || rb_fd_ssl(F)) | |
c6d72037 VY |
469 | SetSSL(new_client); |
470 | ||
54ac8b60 VY |
471 | ++listener->ref_count; |
472 | ||
54ac8b60 VY |
473 | start_auth(new_client); |
474 | } | |
0d89d5cd | 475 | |
43946961 JT |
476 | static const char *toofast = "ERROR :Reconnecting too fast, throttled.\r\n"; |
477 | ||
1087485c JT |
478 | static int |
479 | accept_precallback(rb_fde_t *F, struct sockaddr *addr, rb_socklen_t addrlen, void *data) | |
480 | { | |
481 | struct Listener *listener = (struct Listener *)data; | |
482 | char buf[BUFSIZE]; | |
483 | struct ConfItem *aconf; | |
484 | static time_t last_oper_notice = 0; | |
b52c2949 | 485 | int len; |
1087485c | 486 | |
8bd5767b JT |
487 | if(listener->ssl && (!ssl_ok || !get_ssld_count())) |
488 | { | |
489 | rb_close(F); | |
490 | return 0; | |
c6d72037 VY |
491 | } |
492 | ||
1087485c JT |
493 | if((maxconnections - 10) < rb_get_fd(F)) /* XXX this is kinda bogus */ |
494 | { | |
47adde3d | 495 | ++ServerStats.is_ref; |
1087485c JT |
496 | /* |
497 | * slow down the whining to opers bit | |
498 | */ | |
499 | if((last_oper_notice + 20) <= rb_current_time()) | |
500 | { | |
26716d6d | 501 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
1087485c JT |
502 | "All connections in use. (%s)", |
503 | get_listener_name(listener)); | |
504 | last_oper_notice = rb_current_time(); | |
505 | } | |
506 | ||
507 | rb_write(F, "ERROR :All connections in use\r\n", 32); | |
508 | rb_close(F); | |
1087485c JT |
509 | return 0; |
510 | } | |
511 | ||
41d7fefa | 512 | aconf = find_dline(addr, addr->sa_family); |
1087485c JT |
513 | if(aconf != NULL && (aconf->status & CONF_EXEMPTDLINE)) |
514 | return 1; | |
515 | ||
516 | /* Do an initial check we aren't connecting too fast or with too many | |
517 | * from this IP... */ | |
518 | if(aconf != NULL) | |
519 | { | |
47adde3d | 520 | ServerStats.is_ref++; |
1087485c JT |
521 | |
522 | if(ConfigFileEntry.dline_with_reason) | |
523 | { | |
a12ad044 | 524 | len = rb_snprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", get_user_ban_reason(aconf)); |
b52c2949 | 525 | if (len >= (int)(sizeof(buf)-1)) |
1087485c JT |
526 | { |
527 | buf[sizeof(buf) - 3] = '\r'; | |
528 | buf[sizeof(buf) - 2] = '\n'; | |
529 | buf[sizeof(buf) - 1] = '\0'; | |
530 | } | |
531 | } | |
532 | else | |
533 | strcpy(buf, "ERROR :You have been D-lined.\r\n"); | |
534 | ||
535 | rb_write(F, buf, strlen(buf)); | |
536 | rb_close(F); | |
537 | return 0; | |
538 | } | |
539 | ||
43946961 JT |
540 | if(check_reject(F, addr)) |
541 | return 0; | |
542 | ||
543 | if(throttle_add(addr)) | |
544 | { | |
545 | rb_write(F, toofast, strlen(toofast)); | |
546 | rb_close(F); | |
547 | return 0; | |
548 | } | |
549 | ||
1087485c JT |
550 | return 1; |
551 | } | |
552 | ||
8bd5767b JT |
553 | static void |
554 | accept_ssld(rb_fde_t *F, struct sockaddr *addr, struct sockaddr *laddr, struct Listener *listener) | |
555 | { | |
556 | ssl_ctl_t *ctl; | |
557 | rb_fde_t *xF[2]; | |
6388eda6 JT |
558 | if(rb_socketpair(AF_UNIX, SOCK_STREAM, 0, &xF[0], &xF[1], "Incoming ssld Connection") == -1) |
559 | { | |
560 | ilog_error("creating SSL/TLS socket pairs"); | |
561 | rb_close(F); | |
562 | return; | |
563 | } | |
8bd5767b | 564 | ctl = start_ssld_accept(F, xF[1], rb_get_fd(xF[0])); /* this will close F for us */ |
3540120a | 565 | add_connection(listener, xF[0], addr, laddr, ctl); |
c6d72037 VY |
566 | } |
567 | ||
1087485c JT |
568 | static void |
569 | accept_callback(rb_fde_t *F, int status, struct sockaddr *addr, rb_socklen_t addrlen, void *data) | |
570 | { | |
571 | struct Listener *listener = data; | |
572 | struct rb_sockaddr_storage lip; | |
573 | unsigned int locallen = sizeof(struct rb_sockaddr_storage); | |
574 | ||
47adde3d | 575 | ServerStats.is_ac++; |
1087485c JT |
576 | |
577 | if(getsockname(rb_get_fd(F), (struct sockaddr *) &lip, &locallen) < 0) | |
578 | { | |
d60a42a2 | 579 | /* this can fail if the connection disappeared in the meantime */ |
1087485c | 580 | rb_close(F); |
9692f954 | 581 | return; |
1087485c JT |
582 | } |
583 | ||
8bd5767b JT |
584 | if(listener->ssl) |
585 | accept_ssld(F, addr, (struct sockaddr *)&lip, listener); | |
586 | else | |
3540120a | 587 | add_connection(listener, F, addr, (struct sockaddr *)&lip, NULL); |
0d89d5cd | 588 | } |