diff options
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 51 |
1 files changed, 19 insertions, 32 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 2efc53526a38..7aa9dc0e6760 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -47,8 +47,6 @@ #include <linux/errqueue.h> #include <linux/uaccess.h> -#include <linux/bpfilter.h> - /* * SOL_IP control messages. */ @@ -775,7 +773,7 @@ static int ip_set_mcast_msfilter(struct sock *sk, sockptr_t optval, int optlen) if (optlen < GROUP_FILTER_SIZE(0)) return -EINVAL; - if (optlen > READ_ONCE(sysctl_optmem_max)) + if (optlen > READ_ONCE(sock_net(sk)->core.sysctl_optmem_max)) return -ENOBUFS; gsf = memdup_sockptr(optval, optlen); @@ -811,7 +809,7 @@ static int compat_ip_set_mcast_msfilter(struct sock *sk, sockptr_t optval, if (optlen < size0) return -EINVAL; - if (optlen > READ_ONCE(sysctl_optmem_max) - 4) + if (optlen > READ_ONCE(sock_net(sk)->core.sysctl_optmem_max) - 4) return -ENOBUFS; p = kmalloc(optlen + 4, GFP_KERNEL); @@ -1055,6 +1053,19 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, case IP_TOS: /* This sets both TOS and Precedence */ ip_sock_set_tos(sk, val); return 0; + case IP_LOCAL_PORT_RANGE: + { + u16 lo = val; + u16 hi = val >> 16; + + if (optlen != sizeof(u32)) + return -EINVAL; + if (lo != 0 && hi != 0 && lo > hi) + return -EINVAL; + + WRITE_ONCE(inet->local_port_range, val); + return 0; + } } err = 0; @@ -1241,7 +1252,7 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, if (optlen < IP_MSFILTER_SIZE(0)) goto e_inval; - if (optlen > READ_ONCE(sysctl_optmem_max)) { + if (optlen > READ_ONCE(net->core.sysctl_optmem_max)) { err = -ENOBUFS; break; } @@ -1332,20 +1343,6 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, err = xfrm_user_policy(sk, optname, optval, optlen); break; - case IP_LOCAL_PORT_RANGE: - { - const __u16 lo = val; - const __u16 hi = val >> 16; - - if (optlen != sizeof(__u32)) - goto e_inval; - if (lo != 0 && hi != 0 && lo > hi) - goto e_inval; - - inet->local_port_range.lo = lo; - inet->local_port_range.hi = hi; - break; - } default: err = -ENOPROTOOPT; break; @@ -1412,11 +1409,6 @@ int ip_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval, return -ENOPROTOOPT; err = do_ip_setsockopt(sk, level, optname, optval, optlen); -#if IS_ENABLED(CONFIG_BPFILTER_UMH) - if (optname >= BPFILTER_IPT_SO_SET_REPLACE && - optname < BPFILTER_IPT_SET_MAX) - err = bpfilter_ip_set_sockopt(sk, optname, optval, optlen); -#endif #ifdef CONFIG_NETFILTER /* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IP_HDRINCL && @@ -1692,6 +1684,9 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, return -EFAULT; return 0; } + case IP_LOCAL_PORT_RANGE: + val = READ_ONCE(inet->local_port_range); + goto copyval; } if (needs_rtnl) @@ -1721,9 +1716,6 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, else err = ip_get_mcast_msfilter(sk, optval, optlen, len); goto out; - case IP_LOCAL_PORT_RANGE: - val = inet->local_port_range.hi << 16 | inet->local_port_range.lo; - break; case IP_PROTOCOL: val = inet_sk(sk)->inet_num; break; @@ -1764,11 +1756,6 @@ int ip_getsockopt(struct sock *sk, int level, err = do_ip_getsockopt(sk, level, optname, USER_SOCKPTR(optval), USER_SOCKPTR(optlen)); -#if IS_ENABLED(CONFIG_BPFILTER_UMH) - if (optname >= BPFILTER_IPT_SO_GET_INFO && - optname < BPFILTER_IPT_GET_MAX) - err = bpfilter_ip_get_sockopt(sk, optname, optval, optlen); -#endif #ifdef CONFIG_NETFILTER /* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS && |