goto out;
if (daddr == IPI_LOOPBACK && !vx_check(0, VX_ADMIN))
daddr = fl.fl4_dst = nxi->ipv4[0];
-#ifdef CONFIG_VSERVER_REMAP_SADDR
+#ifdef VSERVER_REMAP_SADDR
if (saddr == IPI_LOOPBACK && !vx_check(0, VX_ADMIN))
saddr = fl.fl4_src = nxi->ipv4[0];
#endif
return 1;
#else
struct udp_sock *up = udp_sk(sk);
- struct udphdr *uh = skb->h.uh;
+ struct udphdr *uh;
struct iphdr *iph;
int iphlen, len;
- __u8 *udpdata = (__u8 *)uh + sizeof(struct udphdr);
- __u32 *udpdata32 = (__u32 *)udpdata;
+ __u8 *udpdata;
+ __u32 *udpdata32;
__u16 encap_type = up->encap_type;
/* if we're overly short, let UDP handle it */
- if (udpdata > skb->tail)
+ len = skb->len - sizeof(struct udphdr);
+ if (len <= 0)
return 1;
/* if this is not encapsulated socket, then just return now */
if (!encap_type)
return 1;
- len = skb->tail - udpdata;
+ /* If this is a paged skb, make sure we pull up
+ * whatever data we need to look at. */
+ if (!pskb_may_pull(skb, sizeof(struct udphdr) + min(len, 8)))
+ return 1;
+
+ /* Now we can get the pointers */
+ uh = skb->h.uh;
+ udpdata = (__u8 *)uh + sizeof(struct udphdr);
+ udpdata32 = (__u32 *)udpdata;
switch (encap_type) {
default:
/*
* Socket option code for UDP
*/
-static int do_udp_setsockopt(struct sock *sk, int level, int optname,
+static int udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct udp_sock *up = udp_sk(sk);
int val;
int err = 0;
+ if (level != SOL_UDP)
+ return ip_setsockopt(sk, level, optname, optval, optlen);
+
if(optlen<sizeof(int))
return -EINVAL;
return err;
}
-static int udp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
-{
- if (level != SOL_UDP)
- return ip_setsockopt(sk, level, optname, optval, optlen);
- return do_udp_setsockopt(sk, level, optname, optval, optlen);
-}
-
-#ifdef CONFIG_COMPAT
-static int compat_udp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
-{
- if (level != SOL_UDP)
- return compat_ip_setsockopt(sk, level, optname, optval, optlen);
- return do_udp_setsockopt(sk, level, optname, optval, optlen);
-}
-#endif
-
-static int do_udp_getsockopt(struct sock *sk, int level, int optname,
+static int udp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct udp_sock *up = udp_sk(sk);
int val, len;
+ if (level != SOL_UDP)
+ return ip_getsockopt(sk, level, optname, optval, optlen);
+
if(get_user(len,optlen))
return -EFAULT;
return 0;
}
-static int udp_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
-{
- if (level != SOL_UDP)
- return ip_getsockopt(sk, level, optname, optval, optlen);
- return do_udp_getsockopt(sk, level, optname, optval, optlen);
-}
-
-#ifdef CONFIG_COMPAT
-static int compat_udp_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
-{
- if (level != SOL_UDP)
- return compat_ip_getsockopt(sk, level, optname, optval, optlen);
- return do_udp_getsockopt(sk, level, optname, optval, optlen);
-}
-#endif
/**
* udp_poll - wait for a UDP event.
* @file - file struct
}
struct proto udp_prot = {
- .name = "UDP",
- .owner = THIS_MODULE,
- .close = udp_close,
- .connect = ip4_datagram_connect,
- .disconnect = udp_disconnect,
- .ioctl = udp_ioctl,
- .destroy = udp_destroy_sock,
- .setsockopt = udp_setsockopt,
- .getsockopt = udp_getsockopt,
- .sendmsg = udp_sendmsg,
- .recvmsg = udp_recvmsg,
- .sendpage = udp_sendpage,
- .backlog_rcv = udp_queue_rcv_skb,
- .hash = udp_v4_hash,
- .unhash = udp_v4_unhash,
- .get_port = udp_v4_get_port,
- .obj_size = sizeof(struct udp_sock),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_udp_setsockopt,
- .compat_getsockopt = compat_udp_getsockopt,
-#endif
+ .name = "UDP",
+ .owner = THIS_MODULE,
+ .close = udp_close,
+ .connect = ip4_datagram_connect,
+ .disconnect = udp_disconnect,
+ .ioctl = udp_ioctl,
+ .destroy = udp_destroy_sock,
+ .setsockopt = udp_setsockopt,
+ .getsockopt = udp_getsockopt,
+ .sendmsg = udp_sendmsg,
+ .recvmsg = udp_recvmsg,
+ .sendpage = udp_sendpage,
+ .backlog_rcv = udp_queue_rcv_skb,
+ .hash = udp_v4_hash,
+ .unhash = udp_v4_unhash,
+ .get_port = udp_v4_get_port,
+ .obj_size = sizeof(struct udp_sock),
};
/* ------------------------------------------------------------------------ */