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netfilter: xtables: move extension arguments into compound structure (2/6)

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This patch does this for match extensions' checkentry functions.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jan Engelhardt 2008-10-08 11:35:18 +02:00 • committed by Patrick McHardy
parent f7108a20de
commit 9b4fce7a35
48 changed files with 240 additions and 386 deletions
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32
include/linux/netfilter/x_tables.h
View file

@ -193,6 +193,25 @@ struct xt_match_param {
bool *hotdrop;
};
/**
* struct xt_mtchk_param - parameters for match extensions'
* checkentry functions
*
* @table: table the rule is tried to be inserted into
* @entryinfo: the family-specific rule data
* (struct ipt_ip, ip6t_ip, ebt_entry)
* @match: struct xt_match through which this function was invoked
* @matchinfo: per-match data
* @hook_mask: via which hooks the new rule is reachable
*/
struct xt_mtchk_param {
const char *table;
const void *entryinfo;
const struct xt_match *match;
void *matchinfo;
unsigned int hook_mask;
};
struct xt_match
{
struct list_head list;
@ -208,12 +227,7 @@ struct xt_match
const struct xt_match_param *);
/* Called when user tries to insert an entry of this type. */
/* Should return true or false. */
bool (*checkentry)(const char *tablename,
const void *ip,
const struct xt_match *match,
void *matchinfo,
unsigned int hook_mask);
bool (*checkentry)(const struct xt_mtchk_param *);
/* Called when entry of this type deleted. */
void (*destroy)(const struct xt_match *match, void *matchinfo);
@ -342,10 +356,8 @@ extern void xt_unregister_match(struct xt_match *target);
extern int xt_register_matches(struct xt_match *match, unsigned int n);
extern void xt_unregister_matches(struct xt_match *match, unsigned int n);
extern int xt_check_match(const struct xt_match *match, unsigned short family,
unsigned int size, const char *table, unsigned int hook,
unsigned short proto, int inv_proto,
const void *entry, void *matchinfo);
extern int xt_check_match(struct xt_mtchk_param *, u_int8_t family,
unsigned int size, u_int8_t proto, bool inv_proto);
extern int xt_check_target(const struct xt_target *target, unsigned short family,
unsigned int size, const char *table, unsigned int hook,
unsigned short proto, int inv_proto,