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root/svn/ircd-hybrid/branches/8.2.x/src/s_bsd.c

Comparing:
ircd-hybrid-7.3/src/s_bsd.c (file contents), Revision 1072 by michael, Wed Feb 17 22:58:23 2010 UTC vs.
ircd-hybrid/trunk/src/s_bsd.c (file contents), Revision 2235 by michael, Sat Jun 15 18:14:12 2013 UTC

#	Line 30 | Line 30
30		#include "fdlist.h"
31		#include "s_bsd.h"
32		#include "client.h"
33	–	#include "common.h"
33		#include "dbuf.h"
34		#include "event.h"
35		#include "irc_string.h"
37	–	#include "irc_getnameinfo.h"
38	–	#include "irc_getaddrinfo.h"
36		#include "ircd.h"
37		#include "listener.h"
38		#include "numeric.h"
39		#include "packet.h"
40		#include "irc_res.h"
44	–	#include "inet_misc.h"
41		#include "restart.h"
42		#include "s_auth.h"
43	<	#include "s_conf.h"
44	<	#include "s_log.h"
43	>	#include "conf.h"
44	>	#include "log.h"
45		#include "s_serv.h"
46		#include "send.h"
47		#include "memory.h"
#	Line 133 | Line 129 | report_error(int level, const char* text
129		{
130		who = (who) ? who : "";
131
132	<	sendto_realops_flags(UMODE_DEBUG, level, text, who, strerror(error));
133	<	log_oper_action(LOG_IOERR_TYPE, NULL, "%s %s %s\n", who, text, strerror(error));
134	<	ilog(L_ERROR, text, who, strerror(error));
132	>	sendto_realops_flags(UMODE_DEBUG, level, SEND_NOTICE,
133	>	text, who, strerror(error));
134	>	ilog(LOG_TYPE_IRCD, text, who, strerror(error));
135		}
136
137		/*
#	Line 181 | Line 177 | init_comm(void)
177		void
178		close_connection(struct Client *client_p)
179		{
180	<	struct ConfItem *conf;
185	<	struct AccessItem *aconf;
186	<	struct ClassItem *aclass;
180	>	dlink_node *ptr = NULL;
181
182	<	assert(NULL != client_p);
182	>	assert(client_p);
183
184		if (!IsDead(client_p))
185		{
#	Line 198 | Line 192 | close_connection(struct Client *client_p
192		send_queued_write(client_p);
193		}
194
195	<	if (IsServer(client_p))
195	>	if (IsClient(client_p))
196	>	{
197	>	++ServerStats.is_cl;
198	>	ServerStats.is_cbs += client_p->localClient->send.bytes;
199	>	ServerStats.is_cbr += client_p->localClient->recv.bytes;
200	>	ServerStats.is_cti += CurrentTime - client_p->localClient->firsttime;
201	>	}
202	>	else if (IsServer(client_p))
203		{
204		++ServerStats.is_sv;
205		ServerStats.is_sbs += client_p->localClient->send.bytes;
206		ServerStats.is_sbr += client_p->localClient->recv.bytes;
207	<	ServerStats.is_sti += CurrentTime - client_p->firsttime;
207	>	ServerStats.is_sti += CurrentTime - client_p->localClient->firsttime;
208
209	<	/* XXX Does this even make any sense at all anymore?
209	<	* scheduling a 'quick' reconnect could cause a pile of
210	<	* nick collides under TSora protocol... -db
211	<	*/
212	<	/*
213	<	* If the connection has been up for a long amount of time, schedule
214	<	* a 'quick' reconnect, else reset the next-connect cycle.
215	<	*/
216	<	if ((conf = find_conf_exact(SERVER_TYPE, client_p->name,
217	<	client_p->username, client_p->host)))
209	>	DLINK_FOREACH(ptr, server_items.head)
210		{
211	+	struct MaskItem *conf = ptr->data;
212	+
213	+	if (irccmp(conf->name, client_p->name))
214	+	continue;
215	+
216		/*
217	<	* Reschedule a faster reconnect, if this was a automatically
218	<	* connected configuration entry. (Note that if we have had
222	<	* a rehash in between, the status has been changed to
223	<	* CONF_ILLEGAL). But only do this if it was a "good" link.
217	>	* Reset next-connect cycle of all connect{} blocks that match
218	>	* this servername.
219		*/
220	<	aconf  = map_to_conf(conf);
226	<	aclass = map_to_conf(aconf->class_ptr);
227	<	aconf->hold = time(NULL);
228	<	aconf->hold += (aconf->hold - client_p->since > HANGONGOODLINK) ?
229	<	HANGONRETRYDELAY : ConFreq(aclass);
220	>	conf->until = CurrentTime + conf->class->con_freq;
221		}
222		}
232	–	else if (IsClient(client_p))
233	–	{
234	–	++ServerStats.is_cl;
235	–	ServerStats.is_cbs += client_p->localClient->send.bytes;
236	–	ServerStats.is_cbr += client_p->localClient->recv.bytes;
237	–	ServerStats.is_cti += CurrentTime - client_p->firsttime;
238	–	}
223		else
224		++ServerStats.is_ni;
225
#	Line 251 | Line 235 | close_connection(struct Client *client_p
235		if (client_p->localClient->fd.flags.open)
236		fd_close(&client_p->localClient->fd);
237
254	–	if (HasServlink(client_p))
255	–	{
256	–	if (client_p->localClient->ctrlfd.flags.open)
257	–	fd_close(&client_p->localClient->ctrlfd);
258	–	}
259	–
238		dbuf_clear(&client_p->localClient->buf_sendq);
239		dbuf_clear(&client_p->localClient->buf_recvq);
240
241		MyFree(client_p->localClient->passwd);
242	<	detach_conf(client_p, CONF_TYPE);
242	>	detach_conf(client_p, CONF_CLIENT|CONF_OPER|CONF_SERVER);
243		client_p->from = NULL; /* ...this should catch them! >:) --msa */
244		}
245
#	Line 273 | Line 251 | close_connection(struct Client *client_p
251		static void
252		ssl_handshake(int fd, struct Client *client_p)
253		{
254	+	X509 *cert = NULL;
255		int ret = SSL_accept(client_p->localClient->fd.ssl);
256	+	int err = SSL_get_error(client_p->localClient->fd.ssl, ret);
257	+
258	+	ilog(LOG_TYPE_IRCD, "SSL Error %d %s", err, ERR_error_string(err, NULL));
259	+
260	+	if ((cert = SSL_get_peer_certificate(client_p->localClient->fd.ssl)))
261	+	{
262	+	int res = SSL_get_verify_result(client_p->localClient->fd.ssl);
263	+	char buf[EVP_MAX_MD_SIZE * 2 + 1] = { '\0' };
264	+	unsigned char md[EVP_MAX_MD_SIZE * 2 + 1] = { '\0' };
265	+
266	+	if (res == X509_V_OK || res == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN ||
267	+	res == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE ||
268	+	res == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
269	+	{
270	+	unsigned int i = 0, n = 0;
271	+
272	+	if (X509_digest(cert, EVP_sha256(), md, &n))
273	+	{
274	+	for (; i < n; ++i)
275	+	snprintf(buf + 2 * i, 3, "%02X", md[i]);
276	+	client_p->certfp = xstrdup(buf);
277	+	}
278	+	}
279	+	else
280	+	ilog(LOG_TYPE_IRCD, "Client %s!%s@%s gave bad SSL client certificate: %d",
281	+	client_p->name, client_p->username, client_p->host, res);
282	+	X509_free(cert);
283	+	}
284
285		if (ret <= 0)
286	+	{
287		switch (SSL_get_error(client_p->localClient->fd.ssl, ret))
288		{
289		case SSL_ERROR_WANT_WRITE:
#	Line 292 | Line 300 | ssl_handshake(int fd, struct Client *cli
300		exit_client(client_p, client_p, "Error during SSL handshake");
301		return;
302		}
303	+	}
304
305	<	execute_callback(auth_cb, client_p);
305	>	start_auth(client_p);
306		}
307		#endif
308
#	Line 307 | Line 316 | ssl_handshake(int fd, struct Client *cli
316		void
317		add_connection(struct Listener *listener, struct irc_ssaddr *irn, int fd)
318		{
319	<	struct Client *new_client;
311	<
312	<	assert(NULL != listener);
313	<
314	<	new_client = make_client(NULL);
319	>	struct Client *new_client = make_client(NULL);
320
321		fd_open(&new_client->localClient->fd, fd, 1,
322		(listener->flags & LISTENER_SSL) ?
323		"Incoming SSL connection" : "Incoming connection");
324
325	<	/*
325	>	/*
326		* copy address to 'sockhost' as a string, copy it to host too
327		* so we have something valid to put into error messages...
328		*/
329		memcpy(&new_client->localClient->ip, irn, sizeof(struct irc_ssaddr));
330
331	<	irc_getnameinfo((struct sockaddr*)&new_client->localClient->ip,
332	<	new_client->localClient->ip.ss_len, new_client->sockhost,
333	<	sizeof(new_client->sockhost), NULL, 0, NI_NUMERICHOST);
331	>	getnameinfo((struct sockaddr *)&new_client->localClient->ip,
332	>	new_client->localClient->ip.ss_len, new_client->sockhost,
333	>	sizeof(new_client->sockhost), NULL, 0, NI_NUMERICHOST);
334		new_client->localClient->aftype = new_client->localClient->ip.ss.ss_family;
335
336	<	if (new_client->sockhost[0] == ':')
336	>	#ifdef HAVE_LIBGEOIP
337	>	/* XXX IPV6 SUPPORT XXX */
338	>	if (irn->ss.ss_family == AF_INET && geoip_ctx)
339	>	{
340	>	const struct sockaddr_in *v4 = (const struct sockaddr_in *)&new_client->localClient->ip;
341	>	new_client->localClient->country_id = GeoIP_id_by_ipnum(geoip_ctx, (unsigned long)ntohl(v4->sin_addr.s_addr));
342	>	}
343	>	#endif
344	>
345	>	if (new_client->sockhost[0] == ':' && new_client->sockhost[1] == ':')
346		{
347		strlcpy(new_client->host, "0", sizeof(new_client->host));
348		strlcpy(new_client->host+1, new_client->sockhost, sizeof(new_client->host)-1);
349	+	memmove(new_client->sockhost+1, new_client->sockhost, sizeof(new_client->sockhost)-1);
350	+	new_client->sockhost[0] = '0';
351		}
352		else
353		strlcpy(new_client->host, new_client->sockhost, sizeof(new_client->host));
#	Line 344 | Line 360 | add_connection(struct Listener *listener
360		{
361		if ((new_client->localClient->fd.ssl = SSL_new(ServerInfo.server_ctx)) == NULL)
362		{
363	<	ilog(L_CRIT, "SSL_new() ERROR! -- %s",
363	>	ilog(LOG_TYPE_IRCD, "SSL_new() ERROR! -- %s",
364		ERR_error_string(ERR_get_error(), NULL));
365
366		SetDead(new_client);
#	Line 357 | Line 373 | add_connection(struct Listener *listener
373		}
374		else
375		#endif
376	<	execute_callback(auth_cb, new_client);
376	>	start_auth(new_client);
377		}
378
379		/*
#	Line 521 | Line 537 | comm_connect_tcp(fde_t *fd, const char *
537
538		snprintf(portname, sizeof(portname), "%d", port);
539
540	<	if (irc_getaddrinfo(host, portname, &hints, &res))
540	>	if (getaddrinfo(host, portname, &hints, &res))
541		{
542		/* Send the DNS request, for the next level */
543		if (aftype == AF_INET6)
#	Line 537 | Line 553 | comm_connect_tcp(fde_t *fd, const char *
553		memcpy(&fd->connect.hostaddr, res->ai_addr, res->ai_addrlen);
554		fd->connect.hostaddr.ss_len = res->ai_addrlen;
555		fd->connect.hostaddr.ss.ss_family = res->ai_family;
556	<	irc_freeaddrinfo(res);
556	>	freeaddrinfo(res);
557		comm_settimeout(fd, timeout*1000, comm_connect_timeout, NULL);
558		comm_connect_tryconnect(fd, NULL);
559		}
#	Line 747 | Line 763 | comm_accept(struct Listener *lptr, struc
763
764		/*
765		* remove_ipv6_mapping() - Removes IPv4-In-IPv6 mapping from an address
766	<	* This function should really inspect the struct itself rather than relying
751	<	* on inet_pton and inet_ntop.  OSes with IPv6 mapping listening on both
766	>	* OSes with IPv6 mapping listening on both
767		* AF_INET and AF_INET6 map AF_INET connections inside AF_INET6 structures
768		*
769		*/
#	Line 758 | Line 773 | remove_ipv6_mapping(struct irc_ssaddr *a
773		{
774		if (addr->ss.ss_family == AF_INET6)
775		{
776	<	struct sockaddr_in6 *v6;
762	<
763	<	v6 = (struct sockaddr_in6*)addr;
764	<	if (IN6_IS_ADDR_V4MAPPED(&v6->sin6_addr))
776	>	if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)addr)->sin6_addr))
777		{
778	<	char v4ip[HOSTIPLEN];
779	<	struct sockaddr_in *v4 = (struct sockaddr_in*)addr;
780	<	inetntop(AF_INET6, &v6->sin6_addr, v4ip, HOSTIPLEN);
781	<	inet_pton(AF_INET, v4ip, &v4->sin_addr);
778	>	struct sockaddr_in6 v6;
779	>	struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
780	>
781	>	memcpy(&v6, addr, sizeof(v6));
782	>	memset(v4, 0, sizeof(struct sockaddr_in));
783	>	memcpy(&v4->sin_addr, &v6.sin6_addr.s6_addr[12], sizeof(v4->sin_addr));
784	>
785		addr->ss.ss_family = AF_INET;
786		addr->ss_len = sizeof(struct sockaddr_in);
787		}

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