diff options
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 83 |
1 files changed, 58 insertions, 25 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 00840474a449..3f93292b0ad8 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1207,16 +1207,13 @@ static int udp_destroy_sock(struct sock *sk) /* * Socket option code for UDP */ -static int udp_setsockopt(struct sock *sk, int level, int optname, +static int do_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; @@ -1256,15 +1253,30 @@ static int udp_setsockopt(struct sock *sk, int level, int optname, return err; } -static int udp_getsockopt(struct sock *sk, int level, int optname, +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, 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; @@ -1293,6 +1305,23 @@ static int udp_getsockopt(struct sock *sk, int level, int optname, 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 @@ -1341,23 +1370,27 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait) } 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), + .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 }; /* ------------------------------------------------------------------------ */ |