static int __init arptable_filter_init(void)
{
- int ret, i;
+ int ret;
/* Register table */
ret = arpt_register_table(&packet_filter, &initial_table.repl);
if (ret < 0)
return ret;
- for (i = 0; i < ARRAY_SIZE(arpt_ops); i++)
- if ((ret = nf_register_hook(&arpt_ops[i])) < 0)
- goto cleanup_hooks;
+ ret = nf_register_hooks(arpt_ops, ARRAY_SIZE(arpt_ops));
+ if (ret < 0)
+ goto cleanup_table;
return ret;
-cleanup_hooks:
- while (--i >= 0)
- nf_unregister_hook(&arpt_ops[i]);
-
+cleanup_table:
arpt_unregister_table(&packet_filter);
return ret;
}
static void __exit arptable_filter_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(arpt_ops); i++)
- nf_unregister_hook(&arpt_ops[i]);
-
+ nf_unregister_hooks(arpt_ops, ARRAY_SIZE(arpt_ops));
arpt_unregister_table(&packet_filter);
}
/* Connection tracking may drop packets, but never alters them, so
make it the first hook. */
-static struct nf_hook_ops ip_conntrack_defrag_ops = {
- .hook = ip_conntrack_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ip_conntrack_in_ops = {
- .hook = ip_conntrack_in,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ip_conntrack_defrag_local_out_ops = {
- .hook = ip_conntrack_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ip_conntrack_local_out_ops = {
- .hook = ip_conntrack_local,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_CONNTRACK,
-};
-
-/* helpers */
-static struct nf_hook_ops ip_conntrack_helper_out_ops = {
- .hook = ip_conntrack_help,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-static struct nf_hook_ops ip_conntrack_helper_in_ops = {
- .hook = ip_conntrack_help,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ip_conntrack_out_ops = {
- .hook = ip_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
-};
-
-static struct nf_hook_ops ip_conntrack_local_in_ops = {
- .hook = ip_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+static struct nf_hook_ops ip_conntrack_ops[] = {
+ {
+ .hook = ip_conntrack_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ip_conntrack_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK,
+ },
+ {
+ .hook = ip_conntrack_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ip_conntrack_local,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_CONNTRACK,
+ },
+ {
+ .hook = ip_conntrack_help,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_HELPER,
+ },
+ {
+ .hook = ip_conntrack_help,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_CONNTRACK_HELPER,
+ },
+ {
+ .hook = ip_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+ },
+ {
+ .hook = ip_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+ },
};
/* Sysctl support */
proc_stat->owner = THIS_MODULE;
#endif
- ret = nf_register_hook(&ip_conntrack_defrag_ops);
+ ret = nf_register_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
if (ret < 0) {
- printk("ip_conntrack: can't register pre-routing defrag hook.\n");
+ printk("ip_conntrack: can't register hooks.\n");
goto cleanup_proc_stat;
}
- ret = nf_register_hook(&ip_conntrack_defrag_local_out_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register local_out defrag hook.\n");
- goto cleanup_defragops;
- }
- ret = nf_register_hook(&ip_conntrack_in_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register pre-routing hook.\n");
- goto cleanup_defraglocalops;
- }
- ret = nf_register_hook(&ip_conntrack_local_out_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register local out hook.\n");
- goto cleanup_inops;
- }
- ret = nf_register_hook(&ip_conntrack_helper_in_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register local in helper hook.\n");
- goto cleanup_inandlocalops;
- }
- ret = nf_register_hook(&ip_conntrack_helper_out_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register postrouting helper hook.\n");
- goto cleanup_helperinops;
- }
- ret = nf_register_hook(&ip_conntrack_out_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register post-routing hook.\n");
- goto cleanup_helperoutops;
- }
- ret = nf_register_hook(&ip_conntrack_local_in_ops);
- if (ret < 0) {
- printk("ip_conntrack: can't register local in hook.\n");
- goto cleanup_inoutandlocalops;
- }
#ifdef CONFIG_SYSCTL
ip_ct_sysctl_header = register_sysctl_table(ip_ct_net_table, 0);
if (ip_ct_sysctl_header == NULL) {
printk("ip_conntrack: can't register to sysctl.\n");
ret = -ENOMEM;
- goto cleanup_localinops;
+ goto cleanup_hooks;
}
#endif
synchronize_net();
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(ip_ct_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
#endif
- nf_unregister_hook(&ip_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
- nf_unregister_hook(&ip_conntrack_out_ops);
- cleanup_helperoutops:
- nf_unregister_hook(&ip_conntrack_helper_out_ops);
- cleanup_helperinops:
- nf_unregister_hook(&ip_conntrack_helper_in_ops);
- cleanup_inandlocalops:
- nf_unregister_hook(&ip_conntrack_local_out_ops);
- cleanup_inops:
- nf_unregister_hook(&ip_conntrack_in_ops);
- cleanup_defraglocalops:
- nf_unregister_hook(&ip_conntrack_defrag_local_out_ops);
- cleanup_defragops:
- nf_unregister_hook(&ip_conntrack_defrag_ops);
+ nf_unregister_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
cleanup_proc_stat:
#ifdef CONFIG_PROC_FS
remove_proc_entry("ip_conntrack", proc_net_stat);
/* We must be after connection tracking and before packet filtering. */
-/* Before packet filtering, change destination */
-static struct nf_hook_ops ip_nat_in_ops = {
- .hook = ip_nat_in,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_NAT_DST,
+static struct nf_hook_ops ip_nat_ops[] = {
+ /* Before packet filtering, change destination */
+ {
+ .hook = ip_nat_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_NAT_DST,
+ },
+ /* After packet filtering, change source */
+ {
+ .hook = ip_nat_out,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_NAT_SRC,
+ },
+ /* After conntrack, adjust sequence number */
+ {
+ .hook = ip_nat_adjust,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_NAT_SEQ_ADJUST,
+ },
+ /* Before packet filtering, change destination */
+ {
+ .hook = ip_nat_local_fn,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_NAT_DST,
+ },
+ /* After packet filtering, change source */
+ {
+ .hook = ip_nat_fn,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_NAT_SRC,
+ },
+ /* After conntrack, adjust sequence number */
+ {
+ .hook = ip_nat_adjust,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_NAT_SEQ_ADJUST,
+ },
};
-/* After packet filtering, change source */
-static struct nf_hook_ops ip_nat_out_ops = {
- .hook = ip_nat_out,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_NAT_SRC,
-};
-
-/* After conntrack, adjust sequence number */
-static struct nf_hook_ops ip_nat_adjust_out_ops = {
- .hook = ip_nat_adjust,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_NAT_SEQ_ADJUST,
-};
-
-/* Before packet filtering, change destination */
-static struct nf_hook_ops ip_nat_local_out_ops = {
- .hook = ip_nat_local_fn,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_NAT_DST,
-};
-
-/* After packet filtering, change source for reply packets of LOCAL_OUT DNAT */
-static struct nf_hook_ops ip_nat_local_in_ops = {
- .hook = ip_nat_fn,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_NAT_SRC,
-};
-
-/* After conntrack, adjust sequence number */
-static struct nf_hook_ops ip_nat_adjust_in_ops = {
- .hook = ip_nat_adjust,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_NAT_SEQ_ADJUST,
-};
-
-
static int init_or_cleanup(int init)
{
int ret = 0;
printk("ip_nat_init: can't setup rules.\n");
goto cleanup_decode_session;
}
- ret = nf_register_hook(&ip_nat_in_ops);
+ ret = nf_register_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
if (ret < 0) {
- printk("ip_nat_init: can't register in hook.\n");
+ printk("ip_nat_init: can't register hooks.\n");
goto cleanup_rule_init;
}
- ret = nf_register_hook(&ip_nat_out_ops);
- if (ret < 0) {
- printk("ip_nat_init: can't register out hook.\n");
- goto cleanup_inops;
- }
- ret = nf_register_hook(&ip_nat_adjust_in_ops);
- if (ret < 0) {
- printk("ip_nat_init: can't register adjust in hook.\n");
- goto cleanup_outops;
- }
- ret = nf_register_hook(&ip_nat_adjust_out_ops);
- if (ret < 0) {
- printk("ip_nat_init: can't register adjust out hook.\n");
- goto cleanup_adjustin_ops;
- }
- ret = nf_register_hook(&ip_nat_local_out_ops);
- if (ret < 0) {
- printk("ip_nat_init: can't register local out hook.\n");
- goto cleanup_adjustout_ops;
- }
- ret = nf_register_hook(&ip_nat_local_in_ops);
- if (ret < 0) {
- printk("ip_nat_init: can't register local in hook.\n");
- goto cleanup_localoutops;
- }
return ret;
cleanup:
- nf_unregister_hook(&ip_nat_local_in_ops);
- cleanup_localoutops:
- nf_unregister_hook(&ip_nat_local_out_ops);
- cleanup_adjustout_ops:
- nf_unregister_hook(&ip_nat_adjust_out_ops);
- cleanup_adjustin_ops:
- nf_unregister_hook(&ip_nat_adjust_in_ops);
- cleanup_outops:
- nf_unregister_hook(&ip_nat_out_ops);
- cleanup_inops:
- nf_unregister_hook(&ip_nat_in_ops);
+ nf_unregister_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
cleanup_rule_init:
ip_nat_rule_cleanup();
cleanup_decode_session:
return ret;
/* Register hooks */
- ret = nf_register_hook(&ipt_ops[0]);
+ ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ipt_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
- ret = nf_register_hook(&ipt_ops[2]);
- if (ret < 0)
- goto cleanup_hook1;
-
return ret;
- cleanup_hook1:
- nf_unregister_hook(&ipt_ops[1]);
- cleanup_hook0:
- nf_unregister_hook(&ipt_ops[0]);
cleanup_table:
ipt_unregister_table(&packet_filter);
-
return ret;
}
static void __exit iptable_filter_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ipt_ops[i]);
-
+ nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
ipt_unregister_table(&packet_filter);
}
return ret;
/* Register hooks */
- ret = nf_register_hook(&ipt_ops[0]);
+ ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ipt_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
- ret = nf_register_hook(&ipt_ops[2]);
- if (ret < 0)
- goto cleanup_hook1;
-
- ret = nf_register_hook(&ipt_ops[3]);
- if (ret < 0)
- goto cleanup_hook2;
-
- ret = nf_register_hook(&ipt_ops[4]);
- if (ret < 0)
- goto cleanup_hook3;
-
return ret;
- cleanup_hook3:
- nf_unregister_hook(&ipt_ops[3]);
- cleanup_hook2:
- nf_unregister_hook(&ipt_ops[2]);
- cleanup_hook1:
- nf_unregister_hook(&ipt_ops[1]);
- cleanup_hook0:
- nf_unregister_hook(&ipt_ops[0]);
cleanup_table:
ipt_unregister_table(&packet_mangler);
-
return ret;
}
static void __exit iptable_mangle_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ipt_ops[i]);
-
+ nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
ipt_unregister_table(&packet_mangler);
}
/* 'raw' is the very first table. */
static struct nf_hook_ops ipt_ops[] = {
{
- .hook = ipt_hook,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_RAW,
- .owner = THIS_MODULE,
+ .hook = ipt_hook,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_RAW,
+ .owner = THIS_MODULE,
},
{
- .hook = ipt_hook,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_RAW,
- .owner = THIS_MODULE,
+ .hook = ipt_hook,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_RAW,
+ .owner = THIS_MODULE,
},
};
return ret;
/* Register hooks */
- ret = nf_register_hook(&ipt_ops[0]);
+ ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ipt_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
return ret;
- cleanup_hook0:
- nf_unregister_hook(&ipt_ops[0]);
cleanup_table:
ipt_unregister_table(&packet_raw);
-
return ret;
}
static void __exit iptable_raw_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ipt_ops[i]);
-
+ nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
ipt_unregister_table(&packet_raw);
}
/* Connection tracking may drop packets, but never alters them, so
make it the first hook. */
-static struct nf_hook_ops ipv4_conntrack_defrag_ops = {
- .hook = ipv4_conntrack_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv4_conntrack_in_ops = {
- .hook = ipv4_conntrack_in,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv4_conntrack_defrag_local_out_ops = {
- .hook = ipv4_conntrack_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv4_conntrack_local_out_ops = {
- .hook = ipv4_conntrack_local,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
- .priority = NF_IP_PRI_CONNTRACK,
-};
-
-/* helpers */
-static struct nf_hook_ops ipv4_conntrack_helper_out_ops = {
- .hook = ipv4_conntrack_help,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-static struct nf_hook_ops ipv4_conntrack_helper_in_ops = {
- .hook = ipv4_conntrack_help,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ipv4_conntrack_out_ops = {
- .hook = ipv4_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
- .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
-};
-
-static struct nf_hook_ops ipv4_conntrack_local_in_ops = {
- .hook = ipv4_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
- .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+static struct nf_hook_ops ipv4_conntrack_ops[] = {
+ {
+ .hook = ipv4_conntrack_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ipv4_conntrack_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_PRE_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK,
+ },
+ {
+ .hook = ipv4_conntrack_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ipv4_conntrack_local,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_OUT,
+ .priority = NF_IP_PRI_CONNTRACK,
+ },
+ {
+ .hook = ipv4_conntrack_help,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_HELPER,
+ },
+ {
+ .hook = ipv4_conntrack_help,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_CONNTRACK_HELPER,
+ },
+ {
+ .hook = ipv4_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_POST_ROUTING,
+ .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+ },
+ {
+ .hook = ipv4_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET,
+ .hooknum = NF_IP_LOCAL_IN,
+ .priority = NF_IP_PRI_CONNTRACK_CONFIRM,
+ },
};
#ifdef CONFIG_SYSCTL
goto cleanup_icmp;
}
- ret = nf_register_hook(&ipv4_conntrack_defrag_ops);
+ ret = nf_register_hooks(ipv4_conntrack_ops,
+ ARRAY_SIZE(ipv4_conntrack_ops));
if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register pre-routing defrag hook.\n");
+ printk("nf_conntrack_ipv4: can't register hooks.\n");
goto cleanup_ipv4;
}
- ret = nf_register_hook(&ipv4_conntrack_defrag_local_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register local_out defrag hook.\n");
- goto cleanup_defragops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_in_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register pre-routing hook.\n");
- goto cleanup_defraglocalops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_local_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register local out hook.\n");
- goto cleanup_inops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_helper_in_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register local helper hook.\n");
- goto cleanup_inandlocalops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_helper_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register postrouting helper hook.\n");
- goto cleanup_helperinops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register post-routing hook.\n");
- goto cleanup_helperoutops;
- }
-
- ret = nf_register_hook(&ipv4_conntrack_local_in_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv4: can't register local in hook.\n");
- goto cleanup_inoutandlocalops;
- }
-
#ifdef CONFIG_SYSCTL
nf_ct_ipv4_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
if (nf_ct_ipv4_sysctl_header == NULL) {
printk("nf_conntrack: can't register to sysctl.\n");
ret = -ENOMEM;
- goto cleanup_localinops;
+ goto cleanup_hooks;
}
#endif
return ret;
synchronize_net();
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
#endif
- nf_unregister_hook(&ipv4_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
- nf_unregister_hook(&ipv4_conntrack_out_ops);
- cleanup_helperoutops:
- nf_unregister_hook(&ipv4_conntrack_helper_out_ops);
- cleanup_helperinops:
- nf_unregister_hook(&ipv4_conntrack_helper_in_ops);
- cleanup_inandlocalops:
- nf_unregister_hook(&ipv4_conntrack_local_out_ops);
- cleanup_inops:
- nf_unregister_hook(&ipv4_conntrack_in_ops);
- cleanup_defraglocalops:
- nf_unregister_hook(&ipv4_conntrack_defrag_local_out_ops);
- cleanup_defragops:
- nf_unregister_hook(&ipv4_conntrack_defrag_ops);
+ nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
cleanup_ipv4:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
cleanup_icmp:
return ret;
/* Register hooks */
- ret = nf_register_hook(&ip6t_ops[0]);
+ ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ip6t_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
- ret = nf_register_hook(&ip6t_ops[2]);
- if (ret < 0)
- goto cleanup_hook1;
-
return ret;
- cleanup_hook1:
- nf_unregister_hook(&ip6t_ops[1]);
- cleanup_hook0:
- nf_unregister_hook(&ip6t_ops[0]);
cleanup_table:
ip6t_unregister_table(&packet_filter);
-
return ret;
}
static void __exit ip6table_filter_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ip6t_ops[i]);
-
+ nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
ip6t_unregister_table(&packet_filter);
}
return ret;
/* Register hooks */
- ret = nf_register_hook(&ip6t_ops[0]);
+ ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ip6t_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
- ret = nf_register_hook(&ip6t_ops[2]);
- if (ret < 0)
- goto cleanup_hook1;
-
- ret = nf_register_hook(&ip6t_ops[3]);
- if (ret < 0)
- goto cleanup_hook2;
-
- ret = nf_register_hook(&ip6t_ops[4]);
- if (ret < 0)
- goto cleanup_hook3;
-
return ret;
- cleanup_hook3:
- nf_unregister_hook(&ip6t_ops[3]);
- cleanup_hook2:
- nf_unregister_hook(&ip6t_ops[2]);
- cleanup_hook1:
- nf_unregister_hook(&ip6t_ops[1]);
- cleanup_hook0:
- nf_unregister_hook(&ip6t_ops[0]);
cleanup_table:
ip6t_unregister_table(&packet_mangler);
-
return ret;
}
static void __exit ip6table_mangle_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ip6t_ops[i]);
-
+ nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
ip6t_unregister_table(&packet_mangler);
}
return ret;
/* Register hooks */
- ret = nf_register_hook(&ip6t_ops[0]);
+ ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
if (ret < 0)
goto cleanup_table;
- ret = nf_register_hook(&ip6t_ops[1]);
- if (ret < 0)
- goto cleanup_hook0;
-
return ret;
- cleanup_hook0:
- nf_unregister_hook(&ip6t_ops[0]);
cleanup_table:
ip6t_unregister_table(&packet_raw);
-
return ret;
}
static void __exit ip6table_raw_fini(void)
{
- unsigned int i;
-
- for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
- nf_unregister_hook(&ip6t_ops[i]);
-
+ nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
ip6t_unregister_table(&packet_raw);
}
return ipv6_conntrack_in(hooknum, pskb, in, out, okfn);
}
-/* Connection tracking may drop packets, but never alters them, so
- make it the first hook. */
-static struct nf_hook_ops ipv6_conntrack_defrag_ops = {
- .hook = ipv6_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_PRE_ROUTING,
- .priority = NF_IP6_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv6_conntrack_in_ops = {
- .hook = ipv6_conntrack_in,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_PRE_ROUTING,
- .priority = NF_IP6_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv6_conntrack_local_out_ops = {
- .hook = ipv6_conntrack_local,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_LOCAL_OUT,
- .priority = NF_IP6_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv6_conntrack_defrag_local_out_ops = {
- .hook = ipv6_defrag,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_LOCAL_OUT,
- .priority = NF_IP6_PRI_CONNTRACK_DEFRAG,
-};
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ipv6_conntrack_out_ops = {
- .hook = ipv6_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_POST_ROUTING,
- .priority = NF_IP6_PRI_LAST,
-};
-
-static struct nf_hook_ops ipv6_conntrack_local_in_ops = {
- .hook = ipv6_confirm,
- .owner = THIS_MODULE,
- .pf = PF_INET6,
- .hooknum = NF_IP6_LOCAL_IN,
- .priority = NF_IP6_PRI_LAST-1,
+static struct nf_hook_ops ipv6_conntrack_ops[] = {
+ {
+ .hook = ipv6_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_PRE_ROUTING,
+ .priority = NF_IP6_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ipv6_conntrack_in,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_PRE_ROUTING,
+ .priority = NF_IP6_PRI_CONNTRACK,
+ },
+ {
+ .hook = ipv6_conntrack_local,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_LOCAL_OUT,
+ .priority = NF_IP6_PRI_CONNTRACK,
+ },
+ {
+ .hook = ipv6_defrag,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_LOCAL_OUT,
+ .priority = NF_IP6_PRI_CONNTRACK_DEFRAG,
+ },
+ {
+ .hook = ipv6_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_POST_ROUTING,
+ .priority = NF_IP6_PRI_LAST,
+ },
+ {
+ .hook = ipv6_confirm,
+ .owner = THIS_MODULE,
+ .pf = PF_INET6,
+ .hooknum = NF_IP6_LOCAL_IN,
+ .priority = NF_IP6_PRI_LAST-1,
+ },
};
#ifdef CONFIG_SYSCTL
goto cleanup_icmpv6;
}
- ret = nf_register_hook(&ipv6_conntrack_defrag_ops);
+ ret = nf_register_hooks(ipv6_conntrack_ops,
+ ARRAY_SIZE(ipv6_conntrack_ops));
if (ret < 0) {
printk("nf_conntrack_ipv6: can't register pre-routing defrag "
"hook.\n");
goto cleanup_ipv6;
}
-
- ret = nf_register_hook(&ipv6_conntrack_defrag_local_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv6: can't register local_out defrag "
- "hook.\n");
- goto cleanup_defragops;
- }
-
- ret = nf_register_hook(&ipv6_conntrack_in_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv6: can't register pre-routing hook.\n");
- goto cleanup_defraglocalops;
- }
-
- ret = nf_register_hook(&ipv6_conntrack_local_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv6: can't register local out hook.\n");
- goto cleanup_inops;
- }
-
- ret = nf_register_hook(&ipv6_conntrack_out_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv6: can't register post-routing hook.\n");
- goto cleanup_inandlocalops;
- }
-
- ret = nf_register_hook(&ipv6_conntrack_local_in_ops);
- if (ret < 0) {
- printk("nf_conntrack_ipv6: can't register local in hook.\n");
- goto cleanup_inoutandlocalops;
- }
-
#ifdef CONFIG_SYSCTL
nf_ct_ipv6_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
if (nf_ct_ipv6_sysctl_header == NULL) {
printk("nf_conntrack: can't register to sysctl.\n");
ret = -ENOMEM;
- goto cleanup_localinops;
+ goto cleanup_hooks;
}
#endif
return ret;
synchronize_net();
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
#endif
- nf_unregister_hook(&ipv6_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
- nf_unregister_hook(&ipv6_conntrack_out_ops);
- cleanup_inandlocalops:
- nf_unregister_hook(&ipv6_conntrack_local_out_ops);
- cleanup_inops:
- nf_unregister_hook(&ipv6_conntrack_in_ops);
- cleanup_defraglocalops:
- nf_unregister_hook(&ipv6_conntrack_defrag_local_out_ops);
- cleanup_defragops:
- nf_unregister_hook(&ipv6_conntrack_defrag_ops);
+ nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
cleanup_ipv6:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
cleanup_icmpv6:
projects / linux-2.6 / commitdiff