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Commit d879e19e authored by Jan Engelhardt's avatar Jan Engelhardt
Browse files

netfilter: xtables: remove xt_string revision 0 



Superseded by xt_string revision 1 (linux v2.6.26-rc8-1127-g4ad3f26,
iptables 1.4.2-rc1).

Signed-off-by: default avatarJan Engelhardt <jengelh@medozas.de>
parent 110d99ed

Documentation/Changes

+1 −1
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ o oprofile 0.9 # oprofiled --version 
o  udev                   081                     # udevinfo -V

o  grub                   0.93                    # grub --version

o  mcelog		  0.6

o  iptables               1.4.1                   # iptables -V

o  iptables               1.4.2                   # iptables -V





Kernel compilation

net/netfilter/xt_string.c

+18 −35
Original line number Diff line number Diff line
@@ -26,12 +26,10 @@ string_mt(const struct sk_buff *skb, const struct xt_match_param *par) 
{

	const struct xt_string_info *conf = par->matchinfo;

	struct ts_state state;

	int invert;

	bool invert;



	memset(&state, 0, sizeof(struct ts_state));



	invert = (par->match->revision == 0 ? conf->u.v0.invert :

				    conf->u.v1.flags & XT_STRING_FLAG_INVERT);

	invert = conf->u.v1.flags & XT_STRING_FLAG_INVERT;



	return (skb_find_text((struct sk_buff *)skb, conf->from_offset,

			     conf->to_offset, conf->config, &state)
@@ -53,13 +51,11 @@ static int string_mt_check(const struct xt_mtchk_param *par) 
		return -EINVAL;

	if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE)

		return -EINVAL;

	if (par->match->revision == 1) {

	if (conf->u.v1.flags &

	    ~(XT_STRING_FLAG_IGNORECASE | XT_STRING_FLAG_INVERT))

		return -EINVAL;

	if (conf->u.v1.flags & XT_STRING_FLAG_IGNORECASE)

		flags |= TS_IGNORECASE;

	}

	ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen,

				     GFP_KERNEL, flags);

	if (IS_ERR(ts_conf))
@@ -74,18 +70,7 @@ static void string_mt_destroy(const struct xt_mtdtor_param *par) 
	textsearch_destroy(STRING_TEXT_PRIV(par->matchinfo)->config);

}



static struct xt_match xt_string_mt_reg[] __read_mostly = {

	{

		.name 		= "string",

		.revision	= 0,

		.family		= NFPROTO_UNSPEC,

		.checkentry	= string_mt_check,

		.match 		= string_mt,

		.destroy 	= string_mt_destroy,

		.matchsize	= sizeof(struct xt_string_info),

		.me 		= THIS_MODULE

	},

	{

static struct xt_match xt_string_mt_reg __read_mostly = {

	.name       = "string",

	.revision   = 1,

	.family     = NFPROTO_UNSPEC,
@@ -93,19 +78,17 @@ static struct xt_match xt_string_mt_reg[] __read_mostly = { 
	.match      = string_mt,

	.destroy    = string_mt_destroy,

	.matchsize  = sizeof(struct xt_string_info),

		.me 		= THIS_MODULE

	},

	.me         = THIS_MODULE,

};



static int __init string_mt_init(void)

{

	return xt_register_matches(xt_string_mt_reg,

				   ARRAY_SIZE(xt_string_mt_reg));

	return xt_register_match(&xt_string_mt_reg);

}



static void __exit string_mt_exit(void)

{

	xt_unregister_matches(xt_string_mt_reg, ARRAY_SIZE(xt_string_mt_reg));

	xt_unregister_match(&xt_string_mt_reg);

}



module_init(string_mt_init);