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Diffstat (limited to 'include/linux/netfilter_ipv4/ip_tables.h')
-rw-r--r--include/linux/netfilter_ipv4/ip_tables.h107
1 files changed, 47 insertions, 60 deletions
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 704a7b6e8169..64a5d95c58e8 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -27,12 +27,49 @@
#include <linux/netfilter/x_tables.h>
+#ifndef __KERNEL__
#define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
#define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
#define ipt_match xt_match
#define ipt_target xt_target
#define ipt_table xt_table
#define ipt_get_revision xt_get_revision
+#define ipt_entry_match xt_entry_match
+#define ipt_entry_target xt_entry_target
+#define ipt_standard_target xt_standard_target
+#define ipt_error_target xt_error_target
+#define ipt_counters xt_counters
+#define IPT_CONTINUE XT_CONTINUE
+#define IPT_RETURN XT_RETURN
+
+/* This group is older than old (iptables < v1.4.0-rc1~89) */
+#include <linux/netfilter/xt_tcpudp.h>
+#define ipt_udp xt_udp
+#define ipt_tcp xt_tcp
+#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
+#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
+#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
+#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
+#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
+#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
+#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
+#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
+
+/* The argument to IPT_SO_ADD_COUNTERS. */
+#define ipt_counters_info xt_counters_info
+/* Standard return verdict, or do jump. */
+#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
+/* Error verdict. */
+#define IPT_ERROR_TARGET XT_ERROR_TARGET
+
+/* fn returns 0 to continue iteration */
+#define IPT_MATCH_ITERATE(e, fn, args...) \
+ XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
+
+/* fn returns 0 to continue iteration */
+#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
+ XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
+#endif
/* Yes, Virginia, you have to zero the padding. */
struct ipt_ip {
@@ -52,12 +89,6 @@ struct ipt_ip {
u_int8_t invflags;
};
-#define ipt_entry_match xt_entry_match
-#define ipt_entry_target xt_entry_target
-#define ipt_standard_target xt_standard_target
-
-#define ipt_counters xt_counters
-
/* Values for "flag" field in struct ipt_ip (general ip structure). */
#define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
#define IPT_F_GOTO 0x02 /* Set if jump is a goto */
@@ -116,23 +147,6 @@ struct ipt_entry {
#define IPT_SO_GET_REVISION_TARGET (IPT_BASE_CTL + 3)
#define IPT_SO_GET_MAX IPT_SO_GET_REVISION_TARGET
-#define IPT_CONTINUE XT_CONTINUE
-#define IPT_RETURN XT_RETURN
-
-#include <linux/netfilter/xt_tcpudp.h>
-#define ipt_udp xt_udp
-#define ipt_tcp xt_tcp
-
-#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
-#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
-#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
-#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
-#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
-
-#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
-#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
-#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
-
/* ICMP matching stuff */
struct ipt_icmp {
u_int8_t type; /* type to match */
@@ -146,7 +160,7 @@ struct ipt_icmp {
/* The argument to IPT_SO_GET_INFO */
struct ipt_getinfo {
/* Which table: caller fills this in. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* Kernel fills these in. */
/* Which hook entry points are valid: bitmask */
@@ -168,7 +182,7 @@ struct ipt_getinfo {
/* The argument to IPT_SO_SET_REPLACE. */
struct ipt_replace {
/* Which table. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* Which hook entry points are valid: bitmask. You can't
change this. */
@@ -196,13 +210,10 @@ struct ipt_replace {
struct ipt_entry entries[0];
};
-/* The argument to IPT_SO_ADD_COUNTERS. */
-#define ipt_counters_info xt_counters_info
-
/* The argument to IPT_SO_GET_ENTRIES. */
struct ipt_get_entries {
/* Which table: user fills this in. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* User fills this in: total entry size. */
unsigned int size;
@@ -211,28 +222,13 @@ struct ipt_get_entries {
struct ipt_entry entrytable[0];
};
-/* Standard return verdict, or do jump. */
-#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
-/* Error verdict. */
-#define IPT_ERROR_TARGET XT_ERROR_TARGET
-
/* Helper functions */
-static __inline__ struct ipt_entry_target *
+static __inline__ struct xt_entry_target *
ipt_get_target(struct ipt_entry *e)
{
return (void *)e + e->target_offset;
}
-#ifndef __KERNEL__
-/* fn returns 0 to continue iteration */
-#define IPT_MATCH_ITERATE(e, fn, args...) \
- XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
-
-/* fn returns 0 to continue iteration */
-#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
- XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
-#endif
-
/*
* Main firewall chains definitions and global var's definitions.
*/
@@ -249,17 +245,12 @@ extern void ipt_unregister_table(struct net *net, struct xt_table *table);
/* Standard entry. */
struct ipt_standard {
struct ipt_entry entry;
- struct ipt_standard_target target;
-};
-
-struct ipt_error_target {
- struct ipt_entry_target target;
- char errorname[IPT_FUNCTION_MAXNAMELEN];
+ struct xt_standard_target target;
};
struct ipt_error {
struct ipt_entry entry;
- struct ipt_error_target target;
+ struct xt_error_target target;
};
#define IPT_ENTRY_INIT(__size) \
@@ -271,7 +262,7 @@ struct ipt_error {
#define IPT_STANDARD_INIT(__verdict) \
{ \
.entry = IPT_ENTRY_INIT(sizeof(struct ipt_standard)), \
- .target = XT_TARGET_INIT(IPT_STANDARD_TARGET, \
+ .target = XT_TARGET_INIT(XT_STANDARD_TARGET, \
sizeof(struct xt_standard_target)), \
.target.verdict = -(__verdict) - 1, \
}
@@ -279,8 +270,8 @@ struct ipt_error {
#define IPT_ERROR_INIT \
{ \
.entry = IPT_ENTRY_INIT(sizeof(struct ipt_error)), \
- .target = XT_TARGET_INIT(IPT_ERROR_TARGET, \
- sizeof(struct ipt_error_target)), \
+ .target = XT_TARGET_INIT(XT_ERROR_TARGET, \
+ sizeof(struct xt_error_target)), \
.target.errorname = "ERROR", \
}
@@ -291,8 +282,6 @@ extern unsigned int ipt_do_table(struct sk_buff *skb,
const struct net_device *out,
struct xt_table *table);
-#define IPT_ALIGN(s) XT_ALIGN(s)
-
#ifdef CONFIG_COMPAT
#include <net/compat.h>
@@ -307,14 +296,12 @@ struct compat_ipt_entry {
};
/* Helper functions */
-static inline struct ipt_entry_target *
+static inline struct xt_entry_target *
compat_ipt_get_target(struct compat_ipt_entry *e)
{
return (void *)e + e->target_offset;
}
-#define COMPAT_IPT_ALIGN(s) COMPAT_XT_ALIGN(s)
-
#endif /* CONFIG_COMPAT */
#endif /*__KERNEL__*/
#endif /* _IPTABLES_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.