diff --git a/include/linux/capability.h b/include/linux/capability.h index c42112350003d35bd7890b3a9023fe3161b79f27..a63d13d84ad8289efc8b4ceda7049441a0fd6f5b 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -198,7 +198,7 @@ struct cpu_vfs_cap_data { /* Allow modification of routing tables */ /* Allow setting arbitrary process / process group ownership on sockets */ -/* Allow binding to any address for transparent proxying */ +/* Allow binding to any address for transparent proxying (also via NET_RAW) */ /* Allow setting TOS (type of service) */ /* Allow setting promiscuous mode */ /* Allow clearing driver statistics */ @@ -210,6 +210,7 @@ struct cpu_vfs_cap_data { /* Allow use of RAW sockets */ /* Allow use of PACKET sockets */ +/* Allow binding to any address for transparent proxying (also via NET_ADMIN) */ #define CAP_NET_RAW 13 diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 8905e92f896a4a58404c297441ef4a9aa1d6f39a..f0dc3ad662ae3e3ff76a0ea2ec159896b058832b 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -961,7 +961,7 @@ mc_msf_out: break; case IP_TRANSPARENT: - if (!capable(CAP_NET_ADMIN)) { + if (!!val && !capable(CAP_NET_RAW) && !capable(CAP_NET_ADMIN)) { err = -EPERM; break; } diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 2fbda5fc4cc48ffd5a1286b3a26f887148f9af38..c99e3ee9781f246f82185e8a0e246e02a258cf82 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -343,7 +343,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, break; case IPV6_TRANSPARENT: - if (!capable(CAP_NET_ADMIN)) { + if (valbool && !capable(CAP_NET_ADMIN) && !capable(CAP_NET_RAW)) { retv = -EPERM; break; }