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root/svn/ircd-hybrid/trunk/src/s_bsd.c

Comparing:
ircd-hybrid-7.2/src/s_bsd.c (file contents), Revision 169 by michael, Fri Oct 21 09:37:16 2005 UTC vs.
ircd-hybrid-8/src/s_bsd.c (file contents), Revision 1156 by michael, Tue Aug 9 20:29:20 2011 UTC

#	Line 23 | Line 23
23		*/
24
25		#include "stdinc.h"
26	–	#ifndef _WIN32
26		#include <netinet/in_systm.h>
27		#include <netinet/ip.h>
28		#include <netinet/tcp.h>
29	<	#endif
29	>	#include "list.h"
30		#include "fdlist.h"
31		#include "s_bsd.h"
32		#include "client.h"
#	Line 35 | Line 34
34		#include "dbuf.h"
35		#include "event.h"
36		#include "irc_string.h"
38	–	#include "irc_getnameinfo.h"
39	–	#include "irc_getaddrinfo.h"
37		#include "ircd.h"
41	–	#include "list.h"
38		#include "listener.h"
39		#include "numeric.h"
40		#include "packet.h"
41		#include "irc_res.h"
46	–	#include "inet_misc.h"
42		#include "restart.h"
43		#include "s_auth.h"
44		#include "s_conf.h"
45		#include "s_log.h"
46		#include "s_serv.h"
52	–	#include "s_stats.h"
47		#include "send.h"
48		#include "memory.h"
49		#include "s_user.h"
#	Line 61 | Line 55 | static const char *comm_err_str[] = { "C
55
56		struct Callback *setup_socket_cb = NULL;
57
58	<	static void comm_connect_callback(fde_t *fd, int status);
58	>	static void comm_connect_callback(fde_t *, int);
59		static PF comm_connect_timeout;
60	<	static void comm_connect_dns_callback(void *vptr, struct DNSReply *reply);
60	>	static void comm_connect_dns_callback(void *, const struct irc_ssaddr *, const char *);
61		static PF comm_connect_tryconnect;
62
69	–	extern void init_netio(void);
63
64		/* check_can_use_v6()
65		*  Check if the system can open AF_INET6 sockets
#	Line 82 | Line 75 | check_can_use_v6(void)
75		else
76		{
77		ServerInfo.can_use_v6 = 1;
85	–	#ifdef _WIN32
86	–	closesocket(v6);
87	–	#else
78		close(v6);
89	–	#endif
79		}
80		#else
81		ServerInfo.can_use_v6 = 0;
#	Line 102 | Line 91 | check_can_use_v6(void)
91		int
92		get_sockerr(int fd)
93		{
105	–	#ifndef _WIN32
94		int errtmp = errno;
107	–	#else
108	–	int errtmp = WSAGetLastError();
109	–	#endif
95		#ifdef SO_ERROR
96		int err = 0;
97		socklen_t len = sizeof(err);
98
99	<	if (-1 < fd && !getsockopt(fd, SOL_SOCKET, SO_ERROR, (char*) &err, (socklen_t *)&len))
99	>	if (-1 < fd && !getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len))
100		{
101		if (err)
102		errtmp = err;
#	Line 161 | Line 146 | setup_socket(va_list args)
146		int fd = va_arg(args, int);
147		int opt = 1;
148
149	<	setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *) &opt, sizeof(opt));
149	>	setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
150
151		#ifdef IPTOS_LOWDELAY
152		opt = IPTOS_LOWDELAY;
153	<	setsockopt(fd, IPPROTO_IP, IP_TOS, (char *) &opt, sizeof(opt));
153	>	setsockopt(fd, IPPROTO_IP, IP_TOS, &opt, sizeof(opt));
154		#endif
155
171	–	#ifndef _WIN32
156		fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK);
173	–	#endif
157
158		return NULL;
159		}
#	Line 201 | Line 184 | close_connection(struct Client *client_p
184
185		assert(NULL != client_p);
186
187	<	if (IsServer(client_p))
187	>	if (!IsDead(client_p))
188	>	{
189	>	/* attempt to flush any pending dbufs. Evil, but .. -- adrian */
190	>	/* there is still a chance that we might send data to this socket
191	>	* even if it is marked as blocked (COMM_SELECT_READ handler is called
192	>	* before COMM_SELECT_WRITE). Let's try, nothing to lose.. -adx
193	>	*/
194	>	ClearSendqBlocked(client_p);
195	>	send_queued_write(client_p);
196	>	}
197	>
198	>	if (IsClient(client_p))
199		{
200	<	ServerStats->is_sv++;
201	<	ServerStats->is_sbs += client_p->localClient->send.bytes;
202	<	ServerStats->is_sbr += client_p->localClient->recv.bytes;
203	<	ServerStats->is_sti += CurrentTime - client_p->firsttime;
200	>	++ServerStats.is_cl;
201	>	ServerStats.is_cbs += client_p->localClient->send.bytes;
202	>	ServerStats.is_cbr += client_p->localClient->recv.bytes;
203	>	ServerStats.is_cti += CurrentTime - client_p->firsttime;
204	>	}
205	>	else if (IsServer(client_p))
206	>	{
207	>	++ServerStats.is_sv;
208	>	ServerStats.is_sbs += client_p->localClient->send.bytes;
209	>	ServerStats.is_sbr += client_p->localClient->recv.bytes;
210	>	ServerStats.is_sti += CurrentTime - client_p->firsttime;
211
212		/* XXX Does this even make any sense at all anymore?
213		* scheduling a 'quick' reconnect could cause a pile of
#	Line 216 | Line 217 | close_connection(struct Client *client_p
217		* If the connection has been up for a long amount of time, schedule
218		* a 'quick' reconnect, else reset the next-connect cycle.
219		*/
220	<	if ((conf = find_conf_exact(SERVER_TYPE,
221	<	client_p->name, client_p->username,
221	<	client_p->host)))
220	>	if ((conf = find_conf_exact(SERVER_TYPE, client_p->name,
221	>	client_p->username, client_p->host)))
222		{
223		/*
224		* Reschedule a faster reconnect, if this was a automatically
#	Line 226 | Line 226 | close_connection(struct Client *client_p
226		* a rehash in between, the status has been changed to
227		* CONF_ILLEGAL). But only do this if it was a "good" link.
228		*/
229	<	aconf = (struct AccessItem *)map_to_conf(conf);
230	<	aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr);
229	>	aconf  = map_to_conf(conf);
230	>	aclass = map_to_conf(aconf->class_ptr);
231		aconf->hold = time(NULL);
232		aconf->hold += (aconf->hold - client_p->since > HANGONGOODLINK) ?
233		HANGONRETRYDELAY : ConFreq(aclass);
234	–	if (nextconnect > aconf->hold)
235	–	nextconnect = aconf->hold;
234		}
235		}
238	–	else if (IsClient(client_p))
239	–	{
240	–	ServerStats->is_cl++;
241	–	ServerStats->is_cbs += client_p->localClient->send.bytes;
242	–	ServerStats->is_cbr += client_p->localClient->recv.bytes;
243	–	ServerStats->is_cti += CurrentTime - client_p->firsttime;
244	–	}
236		else
237	<	ServerStats->is_ni++;
247	<
248	<	if (!IsDead(client_p))
249	<	{
250	<	/* attempt to flush any pending dbufs. Evil, but .. -- adrian */
251	<	/* there is still a chance that we might send data to this socket
252	<	* even if it is marked as blocked (COMM_SELECT_READ handler is called
253	<	* before COMM_SELECT_WRITE). Let's try, nothing to lose.. -adx
254	<	*/
255	<	ClearSendqBlocked(client_p);
256	<	send_queued_write(client_p);
257	<	}
237	>	++ServerStats.is_ni;
238
239		#ifdef HAVE_LIBCRYPTO
240		if (client_p->localClient->fd.ssl)
241	<	SSL_shutdown(client_p->localClient->fd.ssl);
241	>	{
242	>	SSL_set_shutdown(client_p->localClient->fd.ssl, SSL_RECEIVED_SHUTDOWN);
243	>
244	>	if (!SSL_shutdown(client_p->localClient->fd.ssl))
245	>	SSL_shutdown(client_p->localClient->fd.ssl);
246	>	}
247		#endif
248		if (client_p->localClient->fd.flags.open)
249		fd_close(&client_p->localClient->fd);
#	Line 317 | Line 302 | ssl_handshake(int fd, struct Client *cli
302		* any client list yet.
303		*/
304		void
305	<	add_connection(struct Listener* listener, int fd)
305	>	add_connection(struct Listener *listener, struct irc_ssaddr *irn, int fd)
306		{
307	<	struct Client *new_client;
323	<	socklen_t len = sizeof(struct irc_ssaddr);
324	<	struct irc_ssaddr irn;
325	<	assert(NULL != listener);
326	<
327	<	/*
328	<	* get the client socket name from the socket
329	<	* the client has already been checked out in accept_connection
330	<	*/
331	<
332	<	memset(&irn, 0, sizeof(irn));
333	<	if (getpeername(fd, (struct sockaddr *)&irn, (socklen_t *)&len))
334	<	{
335	<	#ifdef _WIN32
336	<	errno = WSAGetLastError();
337	<	#endif
338	<	report_error(L_ALL, "Failed in adding new connection %s :%s",
339	<	get_listener_name(listener), errno);
340	<	ServerStats->is_ref++;
341	<	#ifdef _WIN32
342	<	closesocket(fd);
343	<	#else
344	<	close(fd);
345	<	#endif
346	<	return;
347	<	}
307	>	struct Client *new_client = make_client(NULL);
308
349	–	#ifdef IPV6
350	–	remove_ipv6_mapping(&irn);
351	–	#else
352	–	irn.ss_len = len;
353	–	#endif
354	–	new_client = make_client(NULL);
309		fd_open(&new_client->localClient->fd, fd, 1,
310		(listener->flags & LISTENER_SSL) ?
311		"Incoming SSL connection" : "Incoming connection");
358	–	memset(&new_client->localClient->ip, 0, sizeof(struct irc_ssaddr));
312
313	<	/*
313	>	/*
314		* copy address to 'sockhost' as a string, copy it to host too
315		* so we have something valid to put into error messages...
316		*/
317	<	memcpy(&new_client->localClient->ip, &irn, sizeof(struct irc_ssaddr));
317	>	memcpy(&new_client->localClient->ip, irn, sizeof(struct irc_ssaddr));
318
319	<	irc_getnameinfo((struct sockaddr*)&new_client->localClient->ip,
320	<	new_client->localClient->ip.ss_len,  new_client->sockhost,
321	<	HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
319	>	getnameinfo((struct sockaddr *)&new_client->localClient->ip,
320	>	new_client->localClient->ip.ss_len, new_client->sockhost,
321	>	sizeof(new_client->sockhost), NULL, 0, NI_NUMERICHOST);
322		new_client->localClient->aftype = new_client->localClient->ip.ss.ss_family;
323
324	<	*new_client->host = '\0';
372	<	#ifdef IPV6
373	<	if (*new_client->sockhost == ':')
374	<	strlcat(new_client->host, "0", HOSTLEN+1);
375	<
376	<	if (new_client->localClient->aftype == AF_INET6 &&
377	<	ConfigFileEntry.dot_in_ip6_addr == 1)
324	>	if (new_client->sockhost[0] == ':' && new_client->sockhost[1] == ':')
325		{
326	<	strlcat(new_client->host, new_client->sockhost,HOSTLEN+1);
327	<	strlcat(new_client->host, ".", HOSTLEN+1);
328	<	} else
329	<	#endif
330	<	strlcat(new_client->host, new_client->sockhost,HOSTLEN+1);
326	>	strlcpy(new_client->host, "0", sizeof(new_client->host));
327	>	strlcpy(new_client->host+1, new_client->sockhost, sizeof(new_client->host)-1);
328	>	memmove(new_client->sockhost+1, new_client->sockhost, sizeof(new_client->sockhost)-1);
329	>	new_client->sockhost[0] = '0';
330	>	}
331	>	else
332	>	strlcpy(new_client->host, new_client->sockhost, sizeof(new_client->host));
333
334		new_client->localClient->listener = listener;
335		++listener->ref_count;
336
388	–	connect_id++;
389	–	new_client->connect_id = connect_id;
390	–
337		#ifdef HAVE_LIBCRYPTO
338	<	if ((listener->flags & LISTENER_SSL))
338	>	if (listener->flags & LISTENER_SSL)
339		{
340	<	if ((new_client->localClient->fd.ssl = SSL_new(ServerInfo.ctx)) == NULL)
340	>	if ((new_client->localClient->fd.ssl = SSL_new(ServerInfo.server_ctx)) == NULL)
341		{
342		ilog(L_CRIT, "SSL_new() ERROR! -- %s",
343		ERR_error_string(ERR_get_error(), NULL));
#	Line 536 | Line 482 | comm_connect_tcp(fde_t *fd, const char *
482		void *data, int aftype, int timeout)
483		{
484		struct addrinfo hints, *res;
485	<	char portname[PORTNAMELEN+1];
485	>	char portname[PORTNAMELEN + 1];
486
487		assert(callback);
488		fd->connect.callback = callback;
#	Line 568 | Line 514 | comm_connect_tcp(fde_t *fd, const char *
514		hints.ai_socktype = SOCK_STREAM;
515		hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
516
517	<	snprintf(portname, PORTNAMELEN, "%d", port);
517	>	snprintf(portname, sizeof(portname), "%d", port);
518
519	<	if (irc_getaddrinfo(host, portname, &hints, &res))
519	>	if (getaddrinfo(host, portname, &hints, &res))
520		{
521		/* Send the DNS request, for the next level */
522	<	fd->dns_query = MyMalloc(sizeof(struct DNSQuery));
523	<	fd->dns_query->ptr = fd;
524	<	fd->dns_query->callback = comm_connect_dns_callback;
525	<	gethost_byname(host, fd->dns_query);
522	>	if (aftype == AF_INET6)
523	>	gethost_byname_type(comm_connect_dns_callback, fd, host, T_AAAA);
524	>	else
525	>	gethost_byname_type(comm_connect_dns_callback, fd, host, T_A);
526		}
527		else
528		{
#	Line 586 | Line 532 | comm_connect_tcp(fde_t *fd, const char *
532		memcpy(&fd->connect.hostaddr, res->ai_addr, res->ai_addrlen);
533		fd->connect.hostaddr.ss_len = res->ai_addrlen;
534		fd->connect.hostaddr.ss.ss_family = res->ai_family;
535	<	irc_freeaddrinfo(res);
535	>	freeaddrinfo(res);
536		comm_settimeout(fd, timeout*1000, comm_connect_timeout, NULL);
537		comm_connect_tryconnect(fd, NULL);
538		}
#	Line 634 | Line 580 | comm_connect_timeout(fde_t *fd, void *no
580		* otherwise we initiate the connect()
581		*/
582		static void
583	<	comm_connect_dns_callback(void *vptr, struct DNSReply *reply)
583	>	comm_connect_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name)
584		{
585		fde_t *F = vptr;
586
587	<	if (reply == NULL)
587	>	if (name == NULL)
588		{
643	–	MyFree(F->dns_query);
644	–	F->dns_query = NULL;
589		comm_connect_callback(F, COMM_ERR_DNS);
590		return;
591		}
#	Line 655 | Line 599 | comm_connect_dns_callback(void *vptr, st
599		* the DNS record around, and the DNS cache is gone anyway..
600		*     -- adrian
601		*/
602	<	memcpy(&F->connect.hostaddr, &reply->addr, reply->addr.ss_len);
602	>	memcpy(&F->connect.hostaddr, addr, addr->ss_len);
603		/* The cast is hacky, but safe - port offset is same on v4 and v6 */
604		((struct sockaddr_in *) &F->connect.hostaddr)->sin_port =
605		F->connect.hostaddr.ss_port;
606	<	F->connect.hostaddr.ss_len = reply->addr.ss_len;
606	>	F->connect.hostaddr.ss_len = addr->ss_len;
607
608		/* Now, call the tryconnect() routine to try a connect() */
665	–	MyFree(F->dns_query);
666	–	F->dns_query = NULL;
609		comm_connect_tryconnect(F, NULL);
610		}
611
#	Line 691 | Line 633 | comm_connect_tryconnect(fde_t *fd, void
633		/* Error? */
634		if (retval < 0)
635		{
694	–	#ifdef _WIN32
695	–	errno = WSAGetLastError();
696	–	#endif
636		/*
637		* If we get EISCONN, then we've already connect()ed the socket,
638		* which is a good thing.
#	Line 752 | Line 691 | comm_open(fde_t *F, int family, int sock
691		*/
692		fd = socket(family, sock_type, proto);
693		if (fd < 0)
755	–	{
756	–	#ifdef _WIN32
757	–	errno = WSAGetLastError();
758	–	#endif
694		return -1; /* errno will be passed through, yay.. */
760	–	}
695
696		execute_callback(setup_socket_cb, fd);
697
#	Line 790 | Line 724 | comm_accept(struct Listener *lptr, struc
724		* reserved fd limit, but we can deal with that when comm_open()
725		* also does it. XXX -- adrian
726		*/
727	<	newfd = accept(lptr->fd.fd, (struct sockaddr *)pn, (socklen_t *)&addrlen);
727	>	newfd = accept(lptr->fd.fd, (struct sockaddr *)pn, &addrlen);
728		if (newfd < 0)
795	–	{
796	–	#ifdef _WIN32
797	–	errno = WSAGetLastError();
798	–	#endif
729		return -1;
800	–	}
730
731		#ifdef IPV6
732		remove_ipv6_mapping(pn);
#	Line 813 | Line 742 | comm_accept(struct Listener *lptr, struc
742
743		/*
744		* remove_ipv6_mapping() - Removes IPv4-In-IPv6 mapping from an address
745	<	* This function should really inspect the struct itself rather than relying
817	<	* on inet_pton and inet_ntop.  OSes with IPv6 mapping listening on both
745	>	* OSes with IPv6 mapping listening on both
746		* AF_INET and AF_INET6 map AF_INET connections inside AF_INET6 structures
747		*
748		*/
#	Line 824 | Line 752 | remove_ipv6_mapping(struct irc_ssaddr *a
752		{
753		if (addr->ss.ss_family == AF_INET6)
754		{
755	<	struct sockaddr_in6 *v6;
828	<
829	<	v6 = (struct sockaddr_in6*)addr;
830	<	if (IN6_IS_ADDR_V4MAPPED(&v6->sin6_addr))
755	>	if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)addr)->sin6_addr))
756		{
757	<	char v4ip[HOSTIPLEN];
758	<	struct sockaddr_in *v4 = (struct sockaddr_in*)addr;
759	<	inetntop(AF_INET6, &v6->sin6_addr, v4ip, HOSTIPLEN);
760	<	inet_pton(AF_INET, v4ip, &v4->sin_addr);
757	>	struct sockaddr_in6 v6;
758	>	struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
759	>
760	>	memcpy(&v6, addr, sizeof(v6));
761	>	memset(v4, 0, sizeof(struct sockaddr_in));
762	>	memcpy(&v4->sin_addr, &v6.sin6_addr.s6_addr[12], sizeof(v4->sin_addr));
763	>
764		addr->ss.ss_family = AF_INET;
765		addr->ss_len = sizeof(struct sockaddr_in);
766		}

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