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[SCTP] Add support for ip_nonlocal_bind sysctl & IP_FREEBIND socket option 

Signed-off-by: Neil Horman <nhorman@redhat.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2005-06-13 15:12:33 -07:00 committed by David S. Miller
parent bca735bd0d
commit cdac4e0774
3 changed files with 7 additions and 2 deletions
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1
include/net/ip.h
View File

@ -163,6 +163,7 @@ DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
extern int sysctl_local_port_range[2];
extern int sysctl_ip_default_ttl;
extern int sysctl_ip_nonlocal_bind;
#ifdef CONFIG_INET
/* The function in 2.2 was invalid, producing wrong result for

1
net/ipv4/af_inet.c
View File

@ -1181,6 +1181,7 @@ EXPORT_SYMBOL(inet_stream_connect);
EXPORT_SYMBOL(inet_stream_ops);
EXPORT_SYMBOL(inet_unregister_protosw);
EXPORT_SYMBOL(net_statistics);
EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);
#ifdef INET_REFCNT_DEBUG
EXPORT_SYMBOL(inet_sock_nr);

7
net/sctp/protocol.c
View File

@ -378,10 +378,13 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
{
int ret = inet_addr_type(addr->v4.sin_addr.s_addr);
/* FIXME: ip_nonlocal_bind sysctl support. */
if (addr->v4.sin_addr.s_addr != INADDR_ANY && ret != RTN_LOCAL)
if (addr->v4.sin_addr.s_addr != INADDR_ANY &&
ret != RTN_LOCAL &&
!sp->inet.freebind &&
!sysctl_ip_nonlocal_bind)
return 0;
return 1;
}