diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-03-31 02:59:17 +0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-04-01 21:24:29 +0400 |
commit | c69da774b28e01e062e0a3aba7509f2dcfd2a11a (patch) | |
tree | e406bb8055548fcfcd3796881c263fe44dc69443 /net | |
parent | ad5b365c1266b0c9e8e254a3c1cc4ef66bf33cba (diff) |
SUNRPC: Ensure IPV6_V6ONLY is set on the socket before binding to a port
Also ensure that we use the protocol family instead of the address
family when calling sock_create_kern().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/sunrpc/svcsock.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index ac6cd65220c7..9d504234af4a 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1110,7 +1110,6 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv, struct svc_sock *svsk; struct sock *inet; int pmap_register = !(flags & SVC_SOCK_ANONYMOUS); - int val; dprintk("svc: svc_setup_socket %p\n", sock); if (!(svsk = kzalloc(sizeof(*svsk), GFP_KERNEL))) { @@ -1143,16 +1142,6 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv, else svc_tcp_init(svsk, serv); - /* - * If this is a PF_INET6 listener, we want to avoid - * getting requests from IPv4 remotes. Those should - * be shunted to a PF_INET listener via rpcbind. - */ - val = 1; - if (inet->sk_family == PF_INET6) - kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY, - (char *)&val, sizeof(val)); - dprintk("svc: svc_setup_socket created %p (inet %p)\n", svsk, svsk->sk_sk); @@ -1220,6 +1209,8 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv, struct sockaddr_storage addr; struct sockaddr *newsin = (struct sockaddr *)&addr; int newlen; + int family; + int val; RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); dprintk("svc: svc_create_socket(%s, %d, %s)\n", @@ -1231,14 +1222,35 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv, "sockets supported\n"); return ERR_PTR(-EINVAL); } + type = (protocol == IPPROTO_UDP)? SOCK_DGRAM : SOCK_STREAM; + switch (sin->sa_family) { + case AF_INET6: + family = PF_INET6; + break; + case AF_INET: + family = PF_INET; + break; + default: + return ERR_PTR(-EINVAL); + } - error = sock_create_kern(sin->sa_family, type, protocol, &sock); + error = sock_create_kern(family, type, protocol, &sock); if (error < 0) return ERR_PTR(error); svc_reclassify_socket(sock); + /* + * If this is an PF_INET6 listener, we want to avoid + * getting requests from IPv4 remotes. Those should + * be shunted to a PF_INET listener via rpcbind. + */ + val = 1; + if (family == PF_INET6) + kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY, + (char *)&val, sizeof(val)); + if (type == SOCK_STREAM) sock->sk->sk_reuse = 1; /* allow address reuse */ error = kernel_bind(sock, sin, len); |