diff options
Diffstat (limited to 'net/netfilter/xt_MARK.c')
| -rw-r--r-- | net/netfilter/xt_MARK.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/net/netfilter/xt_MARK.c b/net/netfilter/xt_MARK.c deleted file mode 100644 index f30fe0baf7d..00000000000 --- a/net/netfilter/xt_MARK.c +++ /dev/null @@ -1,185 +0,0 @@ -/* This is a module which is used for setting the NFMARK field of an skb. */ - -/* (C) 1999-2001 Marc Boucher <marc@mbsi.ca> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/skbuff.h> -#include <linux/ip.h> -#include <net/checksum.h> - -#include <linux/netfilter/x_tables.h> -#include <linux/netfilter/xt_MARK.h> - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>"); -MODULE_DESCRIPTION("ip[6]tables MARK modification module"); -MODULE_ALIAS("ipt_MARK"); -MODULE_ALIAS("ip6t_MARK"); - -static unsigned int -target_v0(struct sk_buff **pskb, - const struct net_device *in, - const struct net_device *out, - unsigned int hooknum, - const struct xt_target *target, - const void *targinfo) -{ - const struct xt_mark_target_info *markinfo = targinfo; - - (*pskb)->mark = markinfo->mark; - return XT_CONTINUE; -} - -static unsigned int -target_v1(struct sk_buff **pskb, - const struct net_device *in, - const struct net_device *out, - unsigned int hooknum, - const struct xt_target *target, - const void *targinfo) -{ - const struct xt_mark_target_info_v1 *markinfo = targinfo; - int mark = 0; - - switch (markinfo->mode) { - case XT_MARK_SET: - mark = markinfo->mark; - break; - - case XT_MARK_AND: - mark = (*pskb)->mark & markinfo->mark; - break; - - case XT_MARK_OR: - mark = (*pskb)->mark | markinfo->mark; - break; - } - - (*pskb)->mark = mark; - return XT_CONTINUE; -} - - -static bool -checkentry_v0(const char *tablename, - const void *entry, - const struct xt_target *target, - void *targinfo, - unsigned int hook_mask) -{ - const struct xt_mark_target_info *markinfo = targinfo; - - if (markinfo->mark > 0xffffffff) { - printk(KERN_WARNING "MARK: Only supports 32bit wide mark\n"); - return false; - } - return true; -} - -static bool -checkentry_v1(const char *tablename, - const void *entry, - const struct xt_target *target, - void *targinfo, - unsigned int hook_mask) -{ - const struct xt_mark_target_info_v1 *markinfo = targinfo; - - if (markinfo->mode != XT_MARK_SET - && markinfo->mode != XT_MARK_AND - && markinfo->mode != XT_MARK_OR) { - printk(KERN_WARNING "MARK: unknown mode %u\n", - markinfo->mode); - return false; - } - if (markinfo->mark > 0xffffffff) { - printk(KERN_WARNING "MARK: Only supports 32bit wide mark\n"); - return false; - } - return true; -} - -#ifdef CONFIG_COMPAT -struct compat_xt_mark_target_info_v1 { - compat_ulong_t mark; - u_int8_t mode; - u_int8_t __pad1; - u_int16_t __pad2; -}; - -static void compat_from_user_v1(void *dst, void *src) -{ - const struct compat_xt_mark_target_info_v1 *cm = src; - struct xt_mark_target_info_v1 m = { - .mark = cm->mark, - .mode = cm->mode, - }; - memcpy(dst, &m, sizeof(m)); -} - -static int compat_to_user_v1(void __user *dst, void *src) -{ - const struct xt_mark_target_info_v1 *m = src; - struct compat_xt_mark_target_info_v1 cm = { - .mark = m->mark, - .mode = m->mode, - }; - return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0; -} -#endif /* CONFIG_COMPAT */ - -static struct xt_target xt_mark_target[] __read_mostly = { - { - .name = "MARK", - .family = AF_INET, - .revision = 0, - .checkentry = checkentry_v0, - .target = target_v0, - .targetsize = sizeof(struct xt_mark_target_info), - .table = "mangle", - .me = THIS_MODULE, - }, - { - .name = "MARK", - .family = AF_INET, - .revision = 1, - .checkentry = checkentry_v1, - .target = target_v1, - .targetsize = sizeof(struct xt_mark_target_info_v1), -#ifdef CONFIG_COMPAT - .compatsize = sizeof(struct compat_xt_mark_target_info_v1), - .compat_from_user = compat_from_user_v1, - .compat_to_user = compat_to_user_v1, -#endif - .table = "mangle", - .me = THIS_MODULE, - }, - { - .name = "MARK", - .family = AF_INET6, - .revision = 0, - .checkentry = checkentry_v0, - .target = target_v0, - .targetsize = sizeof(struct xt_mark_target_info), - .table = "mangle", - .me = THIS_MODULE, - }, -}; - -static int __init xt_mark_init(void) -{ - return xt_register_targets(xt_mark_target, ARRAY_SIZE(xt_mark_target)); -} - -static void __exit xt_mark_fini(void) -{ - xt_unregister_targets(xt_mark_target, ARRAY_SIZE(xt_mark_target)); -} - -module_init(xt_mark_init); -module_exit(xt_mark_fini); |