Commit fd2d5356 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller

ipv4: Allow unprivileged users to use per net sysctls

Allow unprivileged users to use:
/proc/sys/net/ipv4/icmp_echo_ignore_all
/proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
/proc/sys/net/ipv4/icmp_ignore_bogus_error_response
/proc/sys/net/ipv4/icmp_errors_use_inbound_ifaddr
/proc/sys/net/ipv4/icmp_ratelimit
/proc/sys/net/ipv4/icmp_ratemask
/proc/sys/net/ipv4/ping_group_range
/proc/sys/net/ipv4/tcp_ecn
/proc/sys/net/ipv4/ip_local_ports_range

These are occassionally handy and after a quick review I don't see
any problems with unprivileged users using them.
Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0a6fa23d
...@@ -847,10 +847,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) ...@@ -847,10 +847,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
/* Update the variables to point into the current struct net */ /* Update the variables to point into the current struct net */
for (i = 0; i < ARRAY_SIZE(ipv4_net_table) - 1; i++) for (i = 0; i < ARRAY_SIZE(ipv4_net_table) - 1; i++)
table[i].data += (void *)net - (void *)&init_net; table[i].data += (void *)net - (void *)&init_net;
/* Don't export sysctls to unprivileged users */
if (net->user_ns != &init_user_ns)
table[0].procname = NULL;
} }
/* /*
......
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