X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsctp%2Fprotocol.c;h=87512f14cf719ead1a20c97dfe32a4b4503043d9;hb=7524d7d6de5d5d3f081de8cf5479819fad339661;hp=40c1a47d1b8dc2972abcf481dc42c5d30ed55229;hpb=3ce4af1defe55591925362ca1ef8363ba04e0feb;p=linux-2.6

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 40c1a47d1b..87512f14cf 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1,4 +1,4 @@
-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
  * (C) Copyright IBM Corp. 2001, 2004
  * Copyright (c) 1999-2000 Cisco, Inc.
  * Copyright (c) 1999-2001 Motorola, Inc.
@@ -6,17 +6,17 @@
  * Copyright (c) 2001 Nokia, Inc.
  * Copyright (c) 2001 La Monte H.P. Yarroll
  *
- * This file is part of the SCTP kernel reference Implementation
+ * This file is part of the SCTP kernel implementation
  *
  * Initialization/cleanup for SCTP protocol support.
  *
- * The SCTP reference implementation is free software;
+ * This SCTP implementation is free software;
  * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
  *
- * The SCTP reference implementation is distributed in the hope that it
+ * This SCTP implementation is distributed in the hope that it
  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
@@ -229,8 +229,8 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope,
 			    (((AF_INET6 == addr->a.sa.sa_family) &&
 			      (copy_flags & SCTP_ADDR6_ALLOWED) &&
 			      (copy_flags & SCTP_ADDR6_PEERSUPP)))) {
-				error = sctp_add_bind_addr(bp, &addr->a, 1,
-						    GFP_ATOMIC);
+				error = sctp_add_bind_addr(bp, &addr->a,
+						    SCTP_ADDR_SRC, GFP_ATOMIC);
 				if (error)
 					goto end_copy;
 			}
@@ -359,11 +359,11 @@ static int sctp_v4_addr_valid(union sctp_addr *addr,
 			      const struct sk_buff *skb)
 {
 	/* Is this a non-unicast address or a unusable SCTP address? */
-	if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr))
+	if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr))
 		return 0;
 
 	/* Is this a broadcast address? */
-	if (skb && ((struct rtable *)skb->dst)->rt_flags & RTCF_BROADCAST)
+	if (skb && skb->rtable->rt_flags & RTCF_BROADCAST)
 		return 0;
 
 	return 1;
@@ -372,7 +372,7 @@ static int sctp_v4_addr_valid(union sctp_addr *addr,
 /* Should this be available for binding?   */
 static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
 {
-	int ret = inet_addr_type(addr->v4.sin_addr.s_addr);
+	int ret = inet_addr_type(&init_net, addr->v4.sin_addr.s_addr);
 
 
 	if (addr->v4.sin_addr.s_addr != INADDR_ANY &&
@@ -408,13 +408,15 @@ static sctp_scope_t sctp_v4_scope(union sctp_addr *addr)
 	 */
 
 	/* Check for unusable SCTP addresses. */
-	if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+	if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr)) {
 		retval =  SCTP_SCOPE_UNUSABLE;
-	} else if (LOOPBACK(addr->v4.sin_addr.s_addr)) {
+	} else if (ipv4_is_loopback(addr->v4.sin_addr.s_addr)) {
 		retval = SCTP_SCOPE_LOOPBACK;
-	} else if (IS_IPV4_LINK_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+	} else if (ipv4_is_linklocal_169(addr->v4.sin_addr.s_addr)) {
 		retval = SCTP_SCOPE_LINK;
-	} else if (IS_IPV4_PRIVATE_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+	} else if (ipv4_is_private_10(addr->v4.sin_addr.s_addr) ||
+		   ipv4_is_private_172(addr->v4.sin_addr.s_addr) ||
+		   ipv4_is_private_192(addr->v4.sin_addr.s_addr)) {
 		retval = SCTP_SCOPE_PRIVATE;
 	} else {
 		retval = SCTP_SCOPE_GLOBAL;
@@ -449,10 +451,10 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
 		fl.fl4_src = saddr->v4.sin_addr.s_addr;
 
 	SCTP_DEBUG_PRINTK("%s: DST:%u.%u.%u.%u, SRC:%u.%u.%u.%u - ",
-			  __FUNCTION__, NIPQUAD(fl.fl4_dst),
+			  __func__, NIPQUAD(fl.fl4_dst),
 			  NIPQUAD(fl.fl4_src));
 
-	if (!ip_route_output_key(&rt, &fl)) {
+	if (!ip_route_output_key(&init_net, &rt, &fl)) {
 		dst = &rt->u.dst;
 	}
 
@@ -470,7 +472,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
 		 */
 		rcu_read_lock();
 		list_for_each_entry_rcu(laddr, &bp->address_list, list) {
-			if (!laddr->valid || !laddr->use_as_src)
+			if (!laddr->valid || (laddr->state != SCTP_ADDR_SRC))
 				continue;
 			sctp_v4_dst_saddr(&dst_saddr, dst, htons(bp->port));
 			if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a))
@@ -492,10 +494,10 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
 	list_for_each_entry_rcu(laddr, &bp->address_list, list) {
 		if (!laddr->valid)
 			continue;
-		if ((laddr->use_as_src) &&
+		if ((laddr->state == SCTP_ADDR_SRC) &&
 		    (AF_INET == laddr->a.sa.sa_family)) {
 			fl.fl4_src = laddr->a.v4.sin_addr.s_addr;
-			if (!ip_route_output_key(&rt, &fl)) {
+			if (!ip_route_output_key(&init_net, &rt, &fl)) {
 				dst = &rt->u.dst;
 				goto out_unlock;
 			}
@@ -537,7 +539,7 @@ static void sctp_v4_get_saddr(struct sctp_association *asoc,
 /* What interface did this skb arrive on? */
 static int sctp_v4_skb_iif(const struct sk_buff *skb)
 {
-	return ((struct rtable *)skb->dst)->rt_iif;
+	return skb->rtable->rt_iif;
 }
 
 /* Was this packet marked by Explicit Congestion Notification? */
@@ -627,6 +629,9 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
 	struct sctp_sockaddr_entry *addr = NULL;
 	struct sctp_sockaddr_entry *temp;
 
+	if (ifa->ifa_dev->dev->nd_net != &init_net)
+		return NOTIFY_DONE;
+
 	switch (ev) {
 	case NETDEV_UP:
 		addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
@@ -822,15 +827,15 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
 {
 	SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, "
 			  "src:%u.%u.%u.%u, dst:%u.%u.%u.%u\n",
-			  __FUNCTION__, skb, skb->len,
-			  NIPQUAD(((struct rtable *)skb->dst)->rt_src),
-			  NIPQUAD(((struct rtable *)skb->dst)->rt_dst));
+			  __func__, skb, skb->len,
+			  NIPQUAD(skb->rtable->rt_src),
+			  NIPQUAD(skb->rtable->rt_dst));
 
 	SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
 	return ip_queue_xmit(skb, ipfragok);
 }
 
-static struct sctp_af sctp_ipv4_specific;
+static struct sctp_af sctp_af_inet;
 
 static struct sctp_pf sctp_pf_inet = {
 	.event_msgname = sctp_inet_event_msgname,
@@ -842,7 +847,7 @@ static struct sctp_pf sctp_pf_inet = {
 	.supported_addrs = sctp_inet_supported_addrs,
 	.create_accept_sk = sctp_v4_create_accept_sk,
 	.addr_v4map	= sctp_v4_addr_v4map,
-	.af            = &sctp_ipv4_specific,
+	.af            = &sctp_af_inet
 };
 
 /* Notifier for inetaddr addition/deletion events.  */
@@ -904,7 +909,7 @@ static struct net_protocol sctp_protocol = {
 };
 
 /* IPv4 address related functions.  */
-static struct sctp_af sctp_ipv4_specific = {
+static struct sctp_af sctp_af_inet = {
 	.sa_family	   = AF_INET,
 	.sctp_xmit	   = sctp_v4_xmit,
 	.setsockopt	   = ip_setsockopt,
@@ -1107,7 +1112,7 @@ SCTP_STATIC __init int sctp_init(void)
 	sysctl_sctp_rmem[1] = (1500 *(sizeof(struct sk_buff) + 1));
 	sysctl_sctp_rmem[2] = max(sysctl_sctp_rmem[1], max_share);
 
-	sysctl_sctp_wmem[0] = SK_STREAM_MEM_QUANTUM;
+	sysctl_sctp_wmem[0] = SK_MEM_QUANTUM;
 	sysctl_sctp_wmem[1] = 16*1024;
 	sysctl_sctp_wmem[2] = max(64*1024, max_share);
 
@@ -1137,7 +1142,7 @@ SCTP_STATIC __init int sctp_init(void)
 	}
 	for (i = 0; i < sctp_assoc_hashsize; i++) {
 		rwlock_init(&sctp_assoc_hashtable[i].lock);
-		sctp_assoc_hashtable[i].chain = NULL;
+		INIT_HLIST_HEAD(&sctp_assoc_hashtable[i].chain);
 	}
 
 	/* Allocate and initialize the endpoint hash table.  */
@@ -1151,7 +1156,7 @@ SCTP_STATIC __init int sctp_init(void)
 	}
 	for (i = 0; i < sctp_ep_hashsize; i++) {
 		rwlock_init(&sctp_ep_hashtable[i].lock);
-		sctp_ep_hashtable[i].chain = NULL;
+		INIT_HLIST_HEAD(&sctp_ep_hashtable[i].chain);
 	}
 
 	/* Allocate and initialize the SCTP port hash table.  */
@@ -1170,7 +1175,7 @@ SCTP_STATIC __init int sctp_init(void)
 	}
 	for (i = 0; i < sctp_port_hashsize; i++) {
 		spin_lock_init(&sctp_port_hashtable[i].lock);
-		sctp_port_hashtable[i].chain = NULL;
+		INIT_HLIST_HEAD(&sctp_port_hashtable[i].chain);
 	}
 
 	printk(KERN_INFO "SCTP: Hash tables configured "
@@ -1179,6 +1184,7 @@ SCTP_STATIC __init int sctp_init(void)
 
 	/* Disable ADDIP by default. */
 	sctp_addip_enable = 0;
+	sctp_addip_noauth = 0;
 
 	/* Enable PR-SCTP by default. */
 	sctp_prsctp_enable = 1;
@@ -1189,7 +1195,7 @@ SCTP_STATIC __init int sctp_init(void)
 	sctp_sysctl_register();
 
 	INIT_LIST_HEAD(&sctp_address_families);
-	sctp_register_af(&sctp_ipv4_specific);
+	sctp_register_af(&sctp_af_inet);
 
 	status = proto_register(&sctp_prot, 1);
 	if (status)
@@ -1246,7 +1252,7 @@ err_v6_init:
 	proto_unregister(&sctp_prot);
 err_proto_register:
 	sctp_sysctl_unregister();
-	list_del(&sctp_ipv4_specific.list);
+	list_del(&sctp_af_inet.list);
 	free_pages((unsigned long)sctp_port_hashtable,
 		   get_order(sctp_port_hashsize *
 			     sizeof(struct sctp_bind_hashbucket)));
@@ -1296,7 +1302,7 @@ SCTP_STATIC __exit void sctp_exit(void)
 	inet_unregister_protosw(&sctp_seqpacket_protosw);
 
 	sctp_sysctl_unregister();
-	list_del(&sctp_ipv4_specific.list);
+	list_del(&sctp_af_inet.list);
 
 	free_pages((unsigned long)sctp_assoc_hashtable,
 		   get_order(sctp_assoc_hashsize *