#include <linux/if_arp.h>
#include <linux/skbuff.h>
#endif
-
+#include <linux/compiler.h>
#include <linux/netfilter_arp.h>
-#define ARPT_FUNCTION_MAXNAMELEN 30
-#define ARPT_TABLE_MAXNAMELEN 32
+#include <linux/netfilter/x_tables.h>
+
+#define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
+#define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
+#define arpt_target xt_target
+#define arpt_table xt_table
#define ARPT_DEV_ADDR_LEN_MAX 16
struct arpt_devaddr_info tgt_devaddr;
/* ARP operation code. */
- u_int16_t arpop, arpop_mask;
+ __be16 arpop, arpop_mask;
/* ARP hardware address and protocol address format. */
- u_int16_t arhrd, arhrd_mask;
- u_int16_t arpro, arpro_mask;
+ __be16 arhrd, arhrd_mask;
+ __be16 arpro, arpro_mask;
/* The protocol address length is only accepted if it is 4
* so there is no use in offering a way to do filtering on it.
u_int16_t invflags;
};
-struct arpt_entry_target
-{
- union {
- struct {
- u_int16_t target_size;
-
- /* Used by userspace */
- char name[ARPT_FUNCTION_MAXNAMELEN];
- } user;
- struct {
- u_int16_t target_size;
-
- /* Used inside the kernel */
- struct arpt_target *target;
- } kernel;
-
- /* Total length */
- u_int16_t target_size;
- } u;
-
- unsigned char data[0];
-};
-
-struct arpt_standard_target
-{
- struct arpt_entry_target target;
- int verdict;
-};
-
-struct arpt_counters
-{
- u_int64_t pcnt, bcnt; /* Packet and byte counters */
-};
+#define arpt_entry_target xt_entry_target
+#define arpt_standard_target xt_standard_target
/* Values for "flag" field in struct arpt_ip (general arp structure).
* No flags defined yet.
unsigned int comefrom;
/* Packet and byte counters. */
- struct arpt_counters counters;
+ struct xt_counters counters;
/* The matches (if any), then the target. */
unsigned char elems[0];
* New IP firewall options for [gs]etsockopt at the RAW IP level.
* Unlike BSD Linux inherits IP options so you don't have to use a raw
* socket for this. Instead we check rights in the calls.
+ *
+ * ATTENTION: check linux/in.h before adding new number here.
*/
-#define ARPT_BASE_CTL 96 /* base for firewall socket options */
+#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_SET_ADD_COUNTERS (ARPT_BASE_CTL + 1)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
-#define ARPT_SO_GET_MAX ARPT_SO_GET_ENTRIES
+/* #define ARPT_SO_GET_REVISION_MATCH (APRT_BASE_CTL + 2) */
+#define ARPT_SO_GET_REVISION_TARGET (ARPT_BASE_CTL + 3)
+#define ARPT_SO_GET_MAX (ARPT_SO_GET_REVISION_TARGET)
/* CONTINUE verdict for targets */
-#define ARPT_CONTINUE 0xFFFFFFFF
+#define ARPT_CONTINUE XT_CONTINUE
/* For standard target */
-#define ARPT_RETURN (-NF_MAX_VERDICT - 1)
+#define ARPT_RETURN XT_RETURN
/* The argument to ARPT_SO_GET_INFO */
struct arpt_getinfo
/* Number of counters (must be equal to current number of entries). */
unsigned int num_counters;
/* The old entries' counters. */
- struct arpt_counters __user *counters;
+ struct xt_counters __user *counters;
/* The entries (hang off end: not really an array). */
struct arpt_entry entries[0];
};
/* The argument to ARPT_SO_ADD_COUNTERS. */
-struct arpt_counters_info
-{
- /* Which table. */
- char name[ARPT_TABLE_MAXNAMELEN];
-
- unsigned int num_counters;
-
- /* The counters (actually `number' of these). */
- struct arpt_counters counters[0];
-};
+#define arpt_counters_info xt_counters_info
+#define arpt_counters xt_counters
/* The argument to ARPT_SO_GET_ENTRIES. */
struct arpt_get_entries
};
/* Standard return verdict, or do jump. */
-#define ARPT_STANDARD_TARGET ""
+#define ARPT_STANDARD_TARGET XT_STANDARD_TARGET
/* Error verdict. */
-#define ARPT_ERROR_TARGET "ERROR"
+#define ARPT_ERROR_TARGET XT_ERROR_TARGET
/* Helper functions */
static __inline__ struct arpt_entry_target *arpt_get_target(struct arpt_entry *e)
*/
#ifdef __KERNEL__
-/* Registration hooks for targets. */
-struct arpt_target
-{
- struct list_head list;
-
- const char name[ARPT_FUNCTION_MAXNAMELEN];
-
- /* Returns verdict. */
- unsigned int (*target)(struct sk_buff **pskb,
- unsigned int hooknum,
- const struct net_device *in,
- const struct net_device *out,
- const void *targinfo,
- void *userdata);
-
- /* Called when user tries to insert an entry of this type:
- hook_mask is a bitmask of hooks from which it can be
- called. */
- /* Should return true or false. */
- int (*checkentry)(const char *tablename,
- const struct arpt_entry *e,
- void *targinfo,
- unsigned int targinfosize,
- unsigned int hook_mask);
-
- /* Called when entry of this type deleted. */
- void (*destroy)(void *targinfo, unsigned int targinfosize);
-
- /* Set this to THIS_MODULE if you are a module, otherwise NULL */
- struct module *me;
-};
-
-extern int arpt_register_target(struct arpt_target *target);
-extern void arpt_unregister_target(struct arpt_target *target);
-
-/* Furniture shopping... */
-struct arpt_table
-{
- struct list_head list;
-
- /* A unique name... */
- char name[ARPT_TABLE_MAXNAMELEN];
-
- /* Seed table: copied in register_table */
- struct arpt_replace *table;
-
- /* What hooks you will enter on */
- unsigned int valid_hooks;
-
- /* Lock for the curtain */
- rwlock_t lock;
-
- /* Man behind the curtain... */
- struct arpt_table_info *private;
-
- /* Set this to THIS_MODULE if you are a module, otherwise NULL */
- struct module *me;
-};
+#define arpt_register_target(tgt) \
+({ (tgt)->family = NF_ARP; \
+ xt_register_target(tgt); })
+#define arpt_unregister_target(tgt) xt_unregister_target(tgt)
-extern int arpt_register_table(struct arpt_table *table);
+extern int arpt_register_table(struct arpt_table *table,
+ const struct arpt_replace *repl);
extern void arpt_unregister_table(struct arpt_table *table);
extern unsigned int arpt_do_table(struct sk_buff **pskb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
- struct arpt_table *table,
- void *userdata);
+ struct arpt_table *table);
#define ARPT_ALIGN(s) (((s) + (__alignof__(struct arpt_entry)-1)) & ~(__alignof__(struct arpt_entry)-1))
#endif /*__KERNEL__*/
git://git.onelab.eu / linux-2.6.git / blobdiff