c027aab4a6
- 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>
142 lines
3.3 KiB
C
142 lines
3.3 KiB
C
/*
|
|
* sysctl_net_ipv6.c: sysctl interface to net IPV6 subsystem.
|
|
*
|
|
* Changes:
|
|
* YOSHIFUJI Hideaki @USAGI: added icmp sysctl table.
|
|
*/
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/sysctl.h>
|
|
#include <linux/in6.h>
|
|
#include <linux/ipv6.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/export.h>
|
|
#include <net/ndisc.h>
|
|
#include <net/ipv6.h>
|
|
#include <net/addrconf.h>
|
|
#include <net/inet_frag.h>
|
|
|
|
static ctl_table ipv6_table_template[] = {
|
|
{
|
|
.procname = "bindv6only",
|
|
.data = &init_net.ipv6.sysctl.bindv6only,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec
|
|
},
|
|
{ }
|
|
};
|
|
|
|
static ctl_table ipv6_rotable[] = {
|
|
{
|
|
.procname = "mld_max_msf",
|
|
.data = &sysctl_mld_max_msf,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec
|
|
},
|
|
{ }
|
|
};
|
|
|
|
static int __net_init ipv6_sysctl_net_init(struct net *net)
|
|
{
|
|
struct ctl_table *ipv6_table;
|
|
struct ctl_table *ipv6_route_table;
|
|
struct ctl_table *ipv6_icmp_table;
|
|
int err;
|
|
|
|
err = -ENOMEM;
|
|
ipv6_table = kmemdup(ipv6_table_template, sizeof(ipv6_table_template),
|
|
GFP_KERNEL);
|
|
if (!ipv6_table)
|
|
goto out;
|
|
ipv6_table[0].data = &net->ipv6.sysctl.bindv6only;
|
|
|
|
ipv6_route_table = ipv6_route_sysctl_init(net);
|
|
if (!ipv6_route_table)
|
|
goto out_ipv6_table;
|
|
|
|
ipv6_icmp_table = ipv6_icmp_sysctl_init(net);
|
|
if (!ipv6_icmp_table)
|
|
goto out_ipv6_route_table;
|
|
|
|
net->ipv6.sysctl.hdr = register_net_sysctl(net, "net/ipv6", ipv6_table);
|
|
if (!net->ipv6.sysctl.hdr)
|
|
goto out_ipv6_icmp_table;
|
|
|
|
net->ipv6.sysctl.route_hdr =
|
|
register_net_sysctl(net, "net/ipv6/route", ipv6_route_table);
|
|
if (!net->ipv6.sysctl.route_hdr)
|
|
goto out_unregister_ipv6_table;
|
|
|
|
net->ipv6.sysctl.icmp_hdr =
|
|
register_net_sysctl(net, "net/ipv6/icmp", ipv6_icmp_table);
|
|
if (!net->ipv6.sysctl.icmp_hdr)
|
|
goto out_unregister_route_table;
|
|
|
|
err = 0;
|
|
out:
|
|
return err;
|
|
out_unregister_route_table:
|
|
unregister_net_sysctl_table(net->ipv6.sysctl.route_hdr);
|
|
out_unregister_ipv6_table:
|
|
unregister_net_sysctl_table(net->ipv6.sysctl.hdr);
|
|
out_ipv6_icmp_table:
|
|
kfree(ipv6_icmp_table);
|
|
out_ipv6_route_table:
|
|
kfree(ipv6_route_table);
|
|
out_ipv6_table:
|
|
kfree(ipv6_table);
|
|
goto out;
|
|
}
|
|
|
|
static void __net_exit ipv6_sysctl_net_exit(struct net *net)
|
|
{
|
|
struct ctl_table *ipv6_table;
|
|
struct ctl_table *ipv6_route_table;
|
|
struct ctl_table *ipv6_icmp_table;
|
|
|
|
ipv6_table = net->ipv6.sysctl.hdr->ctl_table_arg;
|
|
ipv6_route_table = net->ipv6.sysctl.route_hdr->ctl_table_arg;
|
|
ipv6_icmp_table = net->ipv6.sysctl.icmp_hdr->ctl_table_arg;
|
|
|
|
unregister_net_sysctl_table(net->ipv6.sysctl.icmp_hdr);
|
|
unregister_net_sysctl_table(net->ipv6.sysctl.route_hdr);
|
|
unregister_net_sysctl_table(net->ipv6.sysctl.hdr);
|
|
|
|
kfree(ipv6_table);
|
|
kfree(ipv6_route_table);
|
|
kfree(ipv6_icmp_table);
|
|
}
|
|
|
|
static struct pernet_operations ipv6_sysctl_net_ops = {
|
|
.init = ipv6_sysctl_net_init,
|
|
.exit = ipv6_sysctl_net_exit,
|
|
};
|
|
|
|
static struct ctl_table_header *ip6_header;
|
|
|
|
int ipv6_sysctl_register(void)
|
|
{
|
|
int err = -ENOMEM;
|
|
|
|
ip6_header = register_net_sysctl(&init_net, "net/ipv6", ipv6_rotable);
|
|
if (ip6_header == NULL)
|
|
goto out;
|
|
|
|
err = register_pernet_subsys(&ipv6_sysctl_net_ops);
|
|
if (err)
|
|
goto err_pernet;
|
|
out:
|
|
return err;
|
|
|
|
err_pernet:
|
|
unregister_net_sysctl_table(ip6_header);
|
|
goto out;
|
|
}
|
|
|
|
void ipv6_sysctl_unregister(void)
|
|
{
|
|
unregister_net_sysctl_table(ip6_header);
|
|
unregister_pernet_subsys(&ipv6_sysctl_net_ops);
|
|
}
|