diff options
| -rw-r--r-- | include/net/ipv6.h | 2 | ||||
| -rw-r--r-- | net/dccp/ipv6.c | 1 | ||||
| -rw-r--r-- | net/ipv6/af_inet6.c | 53 | ||||
| -rw-r--r-- | net/ipv6/raw.c | 1 | ||||
| -rw-r--r-- | net/l2tp/l2tp_ip6.c | 1 | ||||
| -rw-r--r-- | net/mptcp/protocol.c | 1 | ||||
| -rw-r--r-- | net/sctp/ipv6.c | 1 | ||||
| -rw-r--r-- | net/socket.c | 63 |
8 files changed, 77 insertions, 46 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 955badd1e8ff..5fc3a9d7b053 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -1115,6 +1115,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); int inet6_getname(struct socket *sock, struct sockaddr *uaddr, int peer); int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +int inet6_compat_ioctl(struct socket *sock, unsigned int cmd, + unsigned long arg); int inet6_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 1e5e08cc0bfc..650187d68851 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1082,6 +1082,7 @@ static const struct proto_ops inet6_dccp_ops = { .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index a618beb9b6d5..b69496eaf922 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -60,6 +60,7 @@ #include <net/calipso.h> #include <net/seg6.h> #include <net/rpl.h> +#include <net/compat.h> #include <linux/uaccess.h> #include <linux/mroute6.h> @@ -571,6 +572,56 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) } EXPORT_SYMBOL(inet6_ioctl); +#ifdef CONFIG_COMPAT +struct compat_in6_rtmsg { + struct in6_addr rtmsg_dst; + struct in6_addr rtmsg_src; + struct in6_addr rtmsg_gateway; + u32 rtmsg_type; + u16 rtmsg_dst_len; + u16 rtmsg_src_len; + u32 rtmsg_metric; + u32 rtmsg_info; + u32 rtmsg_flags; + s32 rtmsg_ifindex; +}; + +static int inet6_compat_routing_ioctl(struct sock *sk, unsigned int cmd, + struct compat_in6_rtmsg __user *ur) +{ + struct in6_rtmsg rt; + + if (copy_from_user(&rt.rtmsg_dst, &ur->rtmsg_dst, + 3 * sizeof(struct in6_addr)) || + get_user(rt.rtmsg_type, &ur->rtmsg_type) || + get_user(rt.rtmsg_dst_len, &ur->rtmsg_dst_len) || + get_user(rt.rtmsg_src_len, &ur->rtmsg_src_len) || + get_user(rt.rtmsg_metric, &ur->rtmsg_metric) || + get_user(rt.rtmsg_info, &ur->rtmsg_info) || + get_user(rt.rtmsg_flags, &ur->rtmsg_flags) || + get_user(rt.rtmsg_ifindex, &ur->rtmsg_ifindex)) + return -EFAULT; + + + return ipv6_route_ioctl(sock_net(sk), cmd, &rt); +} + +int inet6_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + void __user *argp = compat_ptr(arg); + struct sock *sk = sock->sk; + + switch (cmd) { + case SIOCADDRT: + case SIOCDELRT: + return inet6_compat_routing_ioctl(sk, cmd, argp); + default: + return -ENOIOCTLCMD; + } +} +EXPORT_SYMBOL_GPL(inet6_compat_ioctl); +#endif /* CONFIG_COMPAT */ + INDIRECT_CALLABLE_DECLARE(int udpv6_sendmsg(struct sock *, struct msghdr *, size_t)); int inet6_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) @@ -632,6 +683,7 @@ const struct proto_ops inet6_stream_ops = { .read_sock = tcp_read_sock, .peek_len = tcp_peek_len, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif @@ -660,6 +712,7 @@ const struct proto_ops inet6_dgram_ops = { .sendpage = sock_no_sendpage, .set_peek_off = sk_set_peek_off, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 0028aa1d7869..8ef5a7b30524 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1377,6 +1377,7 @@ const struct proto_ops inet6_sockraw_ops = { .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index d148766f40d1..fdfef926c591 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -758,6 +758,7 @@ static const struct proto_ops l2tp_ip6_ops = { .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index e3a628bea2b8..ba9d3d5c625f 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2068,6 +2068,7 @@ static const struct proto_ops mptcp_v6_stream_ops = { .mmap = sock_no_mmap, .sendpage = inet_sendpage, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index c87af430107a..ccfa0ab3e7f4 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -1032,6 +1032,7 @@ static const struct proto_ops inet6_seqpacket_ops = { .recvmsg = inet_recvmsg, .mmap = sock_no_mmap, #ifdef CONFIG_COMPAT + .compat_ioctl = inet6_compat_ioctl, .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif diff --git a/net/socket.c b/net/socket.c index 1c9a7260a41d..682447075775 100644 --- a/net/socket.c +++ b/net/socket.c @@ -3384,62 +3384,33 @@ struct rtentry32 { unsigned short rt_irtt; /* Initial RTT */ }; -struct in6_rtmsg32 { - struct in6_addr rtmsg_dst; - struct in6_addr rtmsg_src; - struct in6_addr rtmsg_gateway; - u32 rtmsg_type; - u16 rtmsg_dst_len; - u16 rtmsg_src_len; - u32 rtmsg_metric; - u32 rtmsg_info; - u32 rtmsg_flags; - s32 rtmsg_ifindex; -}; - static int routing_ioctl(struct net *net, struct socket *sock, unsigned int cmd, void __user *argp) { + struct rtentry32 __user *ur4 = argp; int ret; void *r = NULL; - struct in6_rtmsg r6; struct rtentry r4; char devname[16]; u32 rtdev; mm_segment_t old_fs = get_fs(); - if (sock && sock->sk && sock->sk->sk_family == AF_INET6) { /* ipv6 */ - struct in6_rtmsg32 __user *ur6 = argp; - ret = copy_from_user(&r6.rtmsg_dst, &(ur6->rtmsg_dst), - 3 * sizeof(struct in6_addr)); - ret |= get_user(r6.rtmsg_type, &(ur6->rtmsg_type)); - ret |= get_user(r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len)); - ret |= get_user(r6.rtmsg_src_len, &(ur6->rtmsg_src_len)); - ret |= get_user(r6.rtmsg_metric, &(ur6->rtmsg_metric)); - ret |= get_user(r6.rtmsg_info, &(ur6->rtmsg_info)); - ret |= get_user(r6.rtmsg_flags, &(ur6->rtmsg_flags)); - ret |= get_user(r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex)); - - r = (void *) &r6; - } else { /* ipv4 */ - struct rtentry32 __user *ur4 = argp; - ret = copy_from_user(&r4.rt_dst, &(ur4->rt_dst), - 3 * sizeof(struct sockaddr)); - ret |= get_user(r4.rt_flags, &(ur4->rt_flags)); - ret |= get_user(r4.rt_metric, &(ur4->rt_metric)); - ret |= get_user(r4.rt_mtu, &(ur4->rt_mtu)); - ret |= get_user(r4.rt_window, &(ur4->rt_window)); - ret |= get_user(r4.rt_irtt, &(ur4->rt_irtt)); - ret |= get_user(rtdev, &(ur4->rt_dev)); - if (rtdev) { - ret |= copy_from_user(devname, compat_ptr(rtdev), 15); - r4.rt_dev = (char __user __force *)devname; - devname[15] = 0; - } else - r4.rt_dev = NULL; - - r = (void *) &r4; - } + ret = copy_from_user(&r4.rt_dst, &(ur4->rt_dst), + 3 * sizeof(struct sockaddr)); + ret |= get_user(r4.rt_flags, &(ur4->rt_flags)); + ret |= get_user(r4.rt_metric, &(ur4->rt_metric)); + ret |= get_user(r4.rt_mtu, &(ur4->rt_mtu)); + ret |= get_user(r4.rt_window, &(ur4->rt_window)); + ret |= get_user(r4.rt_irtt, &(ur4->rt_irtt)); + ret |= get_user(rtdev, &(ur4->rt_dev)); + if (rtdev) { + ret |= copy_from_user(devname, compat_ptr(rtdev), 15); + r4.rt_dev = (char __user __force *)devname; + devname[15] = 0; + } else + r4.rt_dev = NULL; + + r = (void *) &r4; if (ret) { ret = -EFAULT; |