Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| James Morris |
175 |
55.91% |
1 |
6.67% |
| Florian Westphal |
75 |
23.96% |
5 |
33.33% |
| Jan Engelhardt |
40 |
12.78% |
4 |
26.67% |
| David J. Wilder |
17 |
5.43% |
1 |
6.67% |
| Linus Torvalds (pre-git) |
2 |
0.64% |
1 |
6.67% |
| Thomas Gleixner |
2 |
0.64% |
1 |
6.67% |
| Alexey Dobriyan |
1 |
0.32% |
1 |
6.67% |
| Linus Torvalds |
1 |
0.32% |
1 |
6.67% |
| Total |
313 |
|
15 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* "security" table for IPv6
*
* This is for use by Mandatory Access Control (MAC) security models,
* which need to be able to manage security policy in separate context
* to DAC.
*
* Based on iptable_mangle.c
*
* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
* Copyright (C) 2000-2004 Netfilter Core Team <coreteam <at> netfilter.org>
* Copyright (C) 2008 Red Hat, Inc., James Morris <jmorris <at> redhat.com>
*/
#include <linux/module.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <linux/slab.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("James Morris <jmorris <at> redhat.com>");
MODULE_DESCRIPTION("ip6tables security table, for MAC rules");
#define SECURITY_VALID_HOOKS (1 << NF_INET_LOCAL_IN) | \
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT)
static const struct xt_table security_table = {
.name = "security",
.valid_hooks = SECURITY_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_SECURITY,
};
static struct nf_hook_ops *sectbl_ops __read_mostly;
static int ip6table_security_table_init(struct net *net)
{
struct ip6t_replace *repl;
int ret;
repl = ip6t_alloc_initial_table(&security_table);
if (repl == NULL)
return -ENOMEM;
ret = ip6t_register_table(net, &security_table, repl, sectbl_ops);
kfree(repl);
return ret;
}
static void __net_exit ip6table_security_net_pre_exit(struct net *net)
{
ip6t_unregister_table_pre_exit(net, "security");
}
static void __net_exit ip6table_security_net_exit(struct net *net)
{
ip6t_unregister_table_exit(net, "security");
}
static struct pernet_operations ip6table_security_net_ops = {
.pre_exit = ip6table_security_net_pre_exit,
.exit = ip6table_security_net_exit,
};
static int __init ip6table_security_init(void)
{
int ret = xt_register_template(&security_table,
ip6table_security_table_init);
if (ret < 0)
return ret;
sectbl_ops = xt_hook_ops_alloc(&security_table, ip6t_do_table);
if (IS_ERR(sectbl_ops)) {
xt_unregister_template(&security_table);
return PTR_ERR(sectbl_ops);
}
ret = register_pernet_subsys(&ip6table_security_net_ops);
if (ret < 0) {
kfree(sectbl_ops);
xt_unregister_template(&security_table);
return ret;
}
return ret;
}
static void __exit ip6table_security_fini(void)
{
unregister_pernet_subsys(&ip6table_security_net_ops);
xt_unregister_template(&security_table);
kfree(sectbl_ops);
}
module_init(ip6table_security_init);
module_exit(ip6table_security_fini);