X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsctp%2Fsocket.c;h=1316694d0a21ee77fe4473565f4d820ca7d2abbd;hb=7524d7d6de5d5d3f081de8cf5479819fad339661;hp=710df67a67857184c43060fce807f1809411db4e;hpb=d870ec7281d8429ab17d2e0324f4d8ca3f3de62d;p=linux-2.6

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 710df67a67..1316694d0a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.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.
@@ -6,7 +6,7 @@
  * Copyright (c) 2001-2002 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
  *
  * These functions interface with the sockets layer to implement the
  * SCTP Extensions for the Sockets API.
@@ -15,13 +15,13 @@
  * functions--this file is the functions which populate the struct proto
  * for SCTP which is the BOTTOM of the sockets interface.
  *
- * 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.
@@ -525,7 +525,7 @@ static int sctp_send_asconf_add_ip(struct sock		*sk,
 	ep = sp->ep;
 
 	SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
-			  __FUNCTION__, sk, addrs, addrcnt);
+			  __func__, sk, addrs, addrcnt);
 
 	list_for_each(pos, &ep->asocs) {
 		asoc = list_entry(pos, struct sctp_association, asocs);
@@ -711,7 +711,7 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
 	ep = sp->ep;
 
 	SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
-			  __FUNCTION__, sk, addrs, addrcnt);
+			  __func__, sk, addrs, addrcnt);
 
 	list_for_each(pos, &ep->asocs) {
 		asoc = list_entry(pos, struct sctp_association, asocs);
@@ -1197,7 +1197,7 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
 	struct sockaddr *kaddrs;
 
 	SCTP_DEBUG_PRINTK("%s - sk %p addrs %p addrs_size %d\n",
-			  __FUNCTION__, sk, addrs, addrs_size);
+			  __func__, sk, addrs, addrs_size);
 
 	if (unlikely(addrs_size <= 0))
 		return -EINVAL;
@@ -1911,7 +1911,8 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
 		 * rwnd by that amount. If all the data in the skb is read,
 		 * rwnd is updated when the event is freed.
 		 */
-		sctp_assoc_rwnd_increase(event->asoc, copied);
+		if (!sctp_ulpevent_is_notification(event))
+			sctp_assoc_rwnd_increase(event->asoc, copied);
 		goto out;
 	} else if ((event->msg_flags & MSG_NOTIFICATION) ||
 		   (event->msg_flags & MSG_EOR))
@@ -1963,7 +1964,7 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
 					int optlen)
 {
-	if (optlen != sizeof(struct sctp_event_subscribe))
+	if (optlen > sizeof(struct sctp_event_subscribe))
 		return -EINVAL;
 	if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
 		return -EFAULT;
@@ -3279,7 +3280,7 @@ SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *addr,
 	sctp_lock_sock(sk);
 
 	SCTP_DEBUG_PRINTK("%s - sk: %p, sockaddr: %p, addr_len: %d\n",
-			  __FUNCTION__, sk, addr, addr_len);
+			  __func__, sk, addr, addr_len);
 
 	/* Validate addr_len before calling common connect/connectx routine. */
 	af = sctp_get_af_specific(addr->sa_family);
@@ -3800,7 +3801,7 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char __user *optval
 		goto out;
 	}
 
-	SCTP_DEBUG_PRINTK("%s: sk: %p asoc: %p\n", __FUNCTION__, sk, asoc);
+	SCTP_DEBUG_PRINTK("%s: sk: %p asoc: %p\n", __func__, sk, asoc);
 
 	retval = sctp_do_peeloff(asoc, &newsock);
 	if (retval < 0)
@@ -3814,7 +3815,7 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char __user *optval
 	}
 
 	SCTP_DEBUG_PRINTK("%s: sk: %p asoc: %p newsk: %p sd: %d\n",
-			  __FUNCTION__, sk, asoc, newsock->sk, retval);
+			  __func__, sk, asoc, newsock->sk, retval);
 
 	/* Return the fd mapped to the new socket.  */
 	peeloff.sd = retval;
@@ -4314,6 +4315,9 @@ static int sctp_copy_laddrs_old(struct sock *sk, __u16 port,
 		    (AF_INET6 == addr->a.sa.sa_family))
 			continue;
 		memcpy(&temp, &addr->a, sizeof(temp));
+		if (!temp.v4.sin_port)
+			temp.v4.sin_port = htons(port);
+
 		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
 								&temp);
 		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
@@ -4346,6 +4350,9 @@ static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
 		    (AF_INET6 == addr->a.sa.sa_family))
 			continue;
 		memcpy(&temp, &addr->a, sizeof(temp));
+		if (!temp.v4.sin_port)
+			temp.v4.sin_port = htons(port);
+
 		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
 								&temp);
 		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
@@ -5063,6 +5070,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
 	struct sctp_authchunks val;
 	struct sctp_association *asoc;
 	struct sctp_chunks_param *ch;
+	u32    num_chunks;
 	char __user *to;
 
 	if (len <= sizeof(struct sctp_authchunks))
@@ -5079,12 +5087,15 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
 	ch = asoc->peer.peer_chunks;
 
 	/* See if the user provided enough room for all the data */
-	if (len < ntohs(ch->param_hdr.length))
+	num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
+	if (len < num_chunks)
 		return -EINVAL;
 
-	len = ntohs(ch->param_hdr.length);
+	len = num_chunks;
 	if (put_user(len, optlen))
 		return -EFAULT;
+	if (put_user(num_chunks, &p->gauth_number_of_chunks))
+		return -EFAULT;
 	if (copy_to_user(to, ch->chunks, len))
 		return -EFAULT;
 
@@ -5098,6 +5109,7 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
 	struct sctp_authchunks val;
 	struct sctp_association *asoc;
 	struct sctp_chunks_param *ch;
+	u32    num_chunks;
 	char __user *to;
 
 	if (len <= sizeof(struct sctp_authchunks))
@@ -5116,12 +5128,15 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
 	else
 		ch = sctp_sk(sk)->ep->auth_chunk_list;
 
-	if (len < ntohs(ch->param_hdr.length))
+	num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
+	if (len < num_chunks)
 		return -EINVAL;
 
-	len = ntohs(ch->param_hdr.length);
+	len = num_chunks;
 	if (put_user(len, optlen))
 		return -EFAULT;
+	if (put_user(num_chunks, &p->gauth_number_of_chunks))
+		return -EFAULT;
 	if (copy_to_user(to, ch->chunks, len))
 		return -EFAULT;
 
@@ -6171,7 +6186,7 @@ static int sctp_wait_for_connect(struct sctp_association *asoc, long *timeo_p)
 	long current_timeo = *timeo_p;
 	DEFINE_WAIT(wait);
 
-	SCTP_DEBUG_PRINTK("%s: asoc=%p, timeo=%ld\n", __FUNCTION__, asoc,
+	SCTP_DEBUG_PRINTK("%s: asoc=%p, timeo=%ld\n", __func__, asoc,
 			  (long)(*timeo_p));
 
 	/* Increment the association's refcnt.  */
@@ -6481,6 +6496,7 @@ struct proto sctp_prot = {
 	.memory_pressure = &sctp_memory_pressure,
 	.enter_memory_pressure = sctp_enter_memory_pressure,
 	.memory_allocated = &sctp_memory_allocated,
+	.sockets_allocated = &sctp_sockets_allocated,
 	REF_PROTO_INUSE(sctp)
 };
 
@@ -6514,6 +6530,7 @@ struct proto sctpv6_prot = {
 	.memory_pressure = &sctp_memory_pressure,
 	.enter_memory_pressure = sctp_enter_memory_pressure,
 	.memory_allocated = &sctp_memory_allocated,
+	.sockets_allocated = &sctp_sockets_allocated,
 	REF_PROTO_INUSE(sctpv6)
 };
 #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */