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authorEric W. Biederman <ebiederm@xmission.com>2012-11-16 03:03:10 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-18 20:33:00 -0500
commitc027aab4a6b1fe2541090ac04bee8ad246aeef70 (patch)
treee53b0a69cba2bd4476812f06e97986bcdfb0195c /net/ipv4/devinet.c
parent276996fda0f33bd5e5e028c426f852ecd119372b (diff)
downloadop-kernel-dev-c027aab4a6b1fe2541090ac04bee8ad246aeef70.zip
op-kernel-dev-c027aab4a6b1fe2541090ac04bee8ad246aeef70.tar.gz
net: Enable some sysctls that are safe for the userns root
- Enable the per device ipv4 sysctls: net/ipv4/conf/<if>/forwarding net/ipv4/conf/<if>/mc_forwarding net/ipv4/conf/<if>/accept_redirects net/ipv4/conf/<if>/secure_redirects net/ipv4/conf/<if>/shared_media net/ipv4/conf/<if>/rp_filter net/ipv4/conf/<if>/send_redirects net/ipv4/conf/<if>/accept_source_route net/ipv4/conf/<if>/accept_local net/ipv4/conf/<if>/src_valid_mark net/ipv4/conf/<if>/proxy_arp net/ipv4/conf/<if>/medium_id net/ipv4/conf/<if>/bootp_relay net/ipv4/conf/<if>/log_martians net/ipv4/conf/<if>/tag net/ipv4/conf/<if>/arp_filter net/ipv4/conf/<if>/arp_announce net/ipv4/conf/<if>/arp_ignore net/ipv4/conf/<if>/arp_accept net/ipv4/conf/<if>/arp_notify net/ipv4/conf/<if>/proxy_arp_pvlan net/ipv4/conf/<if>/disable_xfrm net/ipv4/conf/<if>/disable_policy net/ipv4/conf/<if>/force_igmp_version net/ipv4/conf/<if>/promote_secondaries net/ipv4/conf/<if>/route_localnet - Enable the global ipv4 sysctl: net/ipv4/ip_forward - Enable the per device ipv6 sysctls: net/ipv6/conf/<if>/forwarding net/ipv6/conf/<if>/hop_limit net/ipv6/conf/<if>/mtu net/ipv6/conf/<if>/accept_ra net/ipv6/conf/<if>/accept_redirects net/ipv6/conf/<if>/autoconf net/ipv6/conf/<if>/dad_transmits net/ipv6/conf/<if>/router_solicitations net/ipv6/conf/<if>/router_solicitation_interval net/ipv6/conf/<if>/router_solicitation_delay net/ipv6/conf/<if>/force_mld_version net/ipv6/conf/<if>/use_tempaddr net/ipv6/conf/<if>/temp_valid_lft net/ipv6/conf/<if>/temp_prefered_lft net/ipv6/conf/<if>/regen_max_retry net/ipv6/conf/<if>/max_desync_factor net/ipv6/conf/<if>/max_addresses net/ipv6/conf/<if>/accept_ra_defrtr net/ipv6/conf/<if>/accept_ra_pinfo net/ipv6/conf/<if>/accept_ra_rtr_pref net/ipv6/conf/<if>/router_probe_interval net/ipv6/conf/<if>/accept_ra_rt_info_max_plen net/ipv6/conf/<if>/proxy_ndp net/ipv6/conf/<if>/accept_source_route net/ipv6/conf/<if>/optimistic_dad net/ipv6/conf/<if>/mc_forwarding net/ipv6/conf/<if>/disable_ipv6 net/ipv6/conf/<if>/accept_dad net/ipv6/conf/<if>/force_tllao - Enable the global ipv6 sysctls: net/ipv6/bindv6only net/ipv6/icmp/ratelimit Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/devinet.c')
-rw-r--r--net/ipv4/devinet.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 259622a..298c1c2 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1821,10 +1821,6 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
t->devinet_vars[i].extra2 = net;
}
- /* Don't export sysctls to unprivileged users */
- if (net->user_ns != &init_user_ns)
- t->devinet_vars[0].procname = NULL;
-
snprintf(path, sizeof(path), "net/ipv4/conf/%s", dev_name);
t->sysctl_header = register_net_sysctl(net, path, t->devinet_vars);
@@ -1910,10 +1906,6 @@ static __net_init int devinet_init_net(struct net *net)
tbl[0].data = &all->data[IPV4_DEVCONF_FORWARDING - 1];
tbl[0].extra1 = all;
tbl[0].extra2 = net;
-
- /* Don't export sysctls to unprivileged users */
- if (net->user_ns != &init_user_ns)
- tbl[0].procname = NULL;
#endif
}
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