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netfilter: xtables: remove xt_MARK v0, v1

Browse source 
Superseded by xt_MARK v2 (v2.6.24-2918-ge0a812a).

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
This commit is contained in:
Jan Engelhardt 2009-06-12 18:47:32 +02:00
parent e973a70ca0
commit c8001f7fd5
3 changed files with 9 additions and 174 deletions
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3
Documentation/feature-removal-schedule.txt
View file

@ -238,9 +238,6 @@ What (Why):
- "forwarding" header files like ipt_mac.h in
include/linux/netfilter_ipv4/ and include/linux/netfilter_ipv6/
- xt_MARK target revisions 0 and 1
(superseded by xt_MARK match revision 2)
- xt_connmark match revision 0
(superseded by xt_connmark match revision 1)

17
include/linux/netfilter/xt_MARK.h
View file

@ -3,23 +3,6 @@
#include <linux/types.h>
/* Version 0 */
struct xt_mark_target_info {
unsigned long mark;
};
/* Version 1 */
enum {
XT_MARK_SET=0,
XT_MARK_AND,
XT_MARK_OR,
};
struct xt_mark_target_info_v1 {
unsigned long mark;
__u8 mode;
};
struct xt_mark_tginfo2 {
__u32 mark, mask;
};

163
net/netfilter/xt_MARK.c
View file

@ -24,39 +24,6 @@ MODULE_DESCRIPTION("Xtables: packet mark modification");
MODULE_ALIAS("ipt_MARK");
MODULE_ALIAS("ip6t_MARK");
static unsigned int
mark_tg_v0(struct sk_buff *skb, const struct xt_target_param *par)
{
const struct xt_mark_target_info *markinfo = par->targinfo;
skb->mark = markinfo->mark;
return XT_CONTINUE;
}
static unsigned int
mark_tg_v1(struct sk_buff *skb, const struct xt_target_param *par)
{
const struct xt_mark_target_info_v1 *markinfo = par->targinfo;
int mark = 0;
switch (markinfo->mode) {
case XT_MARK_SET:
mark = markinfo->mark;
break;
case XT_MARK_AND:
mark = skb->mark & markinfo->mark;
break;
case XT_MARK_OR:
mark = skb->mark | markinfo->mark;
break;
}
skb->mark = mark;
return XT_CONTINUE;
}
static unsigned int
mark_tg(struct sk_buff *skb, const struct xt_target_param *par)
{
@ -66,135 +33,23 @@ mark_tg(struct sk_buff *skb, const struct xt_target_param *par)
return XT_CONTINUE;
}
static bool mark_tg_check_v0(const struct xt_tgchk_param *par)
{
const struct xt_mark_target_info *markinfo = par->targinfo;
if (markinfo->mark > 0xffffffff) {
printk(KERN_WARNING "MARK: Only supports 32bit wide mark\n");
return false;
}
return true;
}
static bool mark_tg_check_v1(const struct xt_tgchk_param *par)
{
const struct xt_mark_target_info_v1 *markinfo = par->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 {
compat_ulong_t mark;
};
static void mark_tg_compat_from_user_v0(void *dst, void *src)
{
const struct compat_xt_mark_target_info *cm = src;
struct xt_mark_target_info m = {
.mark = cm->mark,
};
memcpy(dst, &m, sizeof(m));
}
static int mark_tg_compat_to_user_v0(void __user *dst, void *src)
{
const struct xt_mark_target_info *m = src;
struct compat_xt_mark_target_info cm = {
.mark = m->mark,
};
return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;
}
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 mark_tg_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 mark_tg_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 mark_tg_reg[] __read_mostly = {
{
.name = "MARK",
.family = NFPROTO_UNSPEC,
.revision = 0,
.checkentry = mark_tg_check_v0,
.target = mark_tg_v0,
.targetsize = sizeof(struct xt_mark_target_info),
#ifdef CONFIG_COMPAT
.compatsize = sizeof(struct compat_xt_mark_target_info),
.compat_from_user = mark_tg_compat_from_user_v0,
.compat_to_user = mark_tg_compat_to_user_v0,
#endif
.table = "mangle",
.me = THIS_MODULE,
},
{
.name = "MARK",
.family = NFPROTO_UNSPEC,
.revision = 1,
.checkentry = mark_tg_check_v1,
.target = mark_tg_v1,
.targetsize = sizeof(struct xt_mark_target_info_v1),
#ifdef CONFIG_COMPAT
.compatsize = sizeof(struct compat_xt_mark_target_info_v1),
.compat_from_user = mark_tg_compat_from_user_v1,
.compat_to_user = mark_tg_compat_to_user_v1,
#endif
.table = "mangle",
.me = THIS_MODULE,
},
{
.name = "MARK",
.revision = 2,
.family = NFPROTO_UNSPEC,
.target = mark_tg,
.targetsize = sizeof(struct xt_mark_tginfo2),
.me = THIS_MODULE,
},
static struct xt_target mark_tg_reg __read_mostly = {
.name = "MARK",
.revision = 2,
.family = NFPROTO_UNSPEC,
.target = mark_tg,
.targetsize = sizeof(struct xt_mark_tginfo2),
.me = THIS_MODULE,
};
static int __init mark_tg_init(void)
{
return xt_register_targets(mark_tg_reg, ARRAY_SIZE(mark_tg_reg));
return xt_register_target(&mark_tg_reg);
}
static void __exit mark_tg_exit(void)
{
xt_unregister_targets(mark_tg_reg, ARRAY_SIZE(mark_tg_reg));
xt_unregister_target(&mark_tg_reg);
}
module_init(mark_tg_init);