[SCTP]: Change use_as_src into a full address state

[safe/jmp/linux-2.6] / net / sctp / protocol.c

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 54edcd9..e466e00 100644 (file)
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -84,9 +84,9 @@ static struct sctp_af *sctp_af_v6_specific;
 struct kmem_cache *sctp_chunk_cachep __read_mostly;
 struct kmem_cache *sctp_bucket_cachep __read_mostly;
 
-extern int sysctl_sctp_mem[3];
-extern int sysctl_sctp_rmem[3];
-extern int sysctl_sctp_wmem[3];
+int sysctl_sctp_mem[3];
+int sysctl_sctp_rmem[3];
+int sysctl_sctp_wmem[3];
 
 /* Return the address of the control sock. */
 struct sock *sctp_get_ctl_sock(void)
@@ -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;
                        }
@@ -359,7 +359,7 @@ 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? */
@@ -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;
@@ -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))
@@ -492,7 +494,7 @@ 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)) {
@@ -552,7 +554,8 @@ static struct sock *sctp_v4_create_accept_sk(struct sock *sk,
 {
        struct inet_sock *inet = inet_sk(sk);
        struct inet_sock *newinet;
-       struct sock *newsk = sk_alloc(sk->sk_net, PF_INET, GFP_KERNEL, sk->sk_prot, 1);
+       struct sock *newsk = sk_alloc(sk->sk_net, PF_INET, GFP_KERNEL,
+                       sk->sk_prot);
 
        if (!newsk)
                goto out;
@@ -1136,7 +1139,7 @@ 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.  */
@@ -1150,7 +1153,7 @@ 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.  */
@@ -1169,22 +1172,23 @@ 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);
        }
 
-       spin_lock_init(&sctp_port_alloc_lock);
-       sctp_port_rover = sysctl_local_port_range[0] - 1;
-
        printk(KERN_INFO "SCTP: Hash tables configured "
                         "(established %d bind %d)\n",
                sctp_assoc_hashsize, sctp_port_hashsize);
 
        /* Disable ADDIP by default. */
        sctp_addip_enable = 0;
+       sctp_addip_noauth = 0;
 
        /* Enable PR-SCTP by default. */
        sctp_prsctp_enable = 1;
 
+       /* Disable AUTH by default. */
+       sctp_auth_enable = 0;
+
        sctp_sysctl_register();
 
        INIT_LIST_HEAD(&sctp_address_families);
@@ -1228,7 +1232,6 @@ SCTP_STATIC __init int sctp_init(void)
        if (status)
                goto err_v6_add_protocol;
 
-       __unsafe(THIS_MODULE);
        status = 0;
 out:
        return status;