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ipv4: Allow binding to non-local addresses if IP_TRANSPARENT is set

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Setting IP_TRANSPARENT is not really useful without allowing non-local
binds for the socket. To make user-space code simpler we allow these
binds even if IP_TRANSPARENT is set but IP_FREEBIND is not.

Signed-off-by: Tóth László Attila <panther@balabit.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tóth László Attila 2008-10-01 07:31:24 -07:00 • committed by David S. Miller
parent f5715aea45
commit b9fb15067c
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/af_inet.c
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@ -469,7 +469,7 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
*/ */
err = -EADDRNOTAVAIL; err = -EADDRNOTAVAIL;
if (!sysctl_ip_nonlocal_bind && if (!sysctl_ip_nonlocal_bind &&
!inet->freebind && !(inet->freebind || inet->transparent) &&
addr->sin_addr.s_addr != htonl(INADDR_ANY) && addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL && chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_MULTICAST &&