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-rw-r--r--net/netfilter/Kconfig5
-rw-r--r--net/netfilter/nf_conntrack_core.c29
-rw-r--r--net/netfilter/nf_conntrack_extend.c10
-rw-r--r--net/netfilter/nf_conntrack_netlink.c32
-rw-r--r--net/netfilter/nf_conntrack_proto_dccp.c3
-rw-r--r--net/netfilter/nf_conntrack_proto_sctp.c80
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c11
-rw-r--r--net/netfilter/nf_sockopt.c2
-rw-r--r--net/netfilter/nfnetlink_queue.c3
-rw-r--r--net/netfilter/xt_CONNSECMARK.c10
-rw-r--r--net/netfilter/xt_SECMARK.c10
-rw-r--r--net/netfilter/xt_string.c38
12 files changed, 184 insertions, 49 deletions
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index aa8d80c35e28..316c7af1d2b1 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -33,9 +33,8 @@ config NF_CONNTRACK
into connections.
This is required to do Masquerading or other kinds of Network
- Address Translation (except for Fast NAT). It can also be used to
- enhance packet filtering (see `Connection state match support'
- below).
+ Address Translation. It can also be used to enhance packet
+ filtering (see `Connection state match support' below).
To compile it as a module, choose M here. If unsure, say N.
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 662c1ccfee26..28d03e64200b 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -464,7 +464,8 @@ static noinline int early_drop(unsigned int hash)
}
struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
- const struct nf_conntrack_tuple *repl)
+ const struct nf_conntrack_tuple *repl,
+ gfp_t gfp)
{
struct nf_conn *ct = NULL;
@@ -489,7 +490,7 @@ struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
}
}
- ct = kmem_cache_zalloc(nf_conntrack_cachep, GFP_ATOMIC);
+ ct = kmem_cache_zalloc(nf_conntrack_cachep, gfp);
if (ct == NULL) {
pr_debug("nf_conntrack_alloc: Can't alloc conntrack.\n");
atomic_dec(&nf_conntrack_count);
@@ -542,7 +543,7 @@ init_conntrack(const struct nf_conntrack_tuple *tuple,
return NULL;
}
- ct = nf_conntrack_alloc(tuple, &repl_tuple);
+ ct = nf_conntrack_alloc(tuple, &repl_tuple, GFP_ATOMIC);
if (ct == NULL || IS_ERR(ct)) {
pr_debug("Can't allocate conntrack.\n");
return (struct nf_conntrack_tuple_hash *)ct;
@@ -847,6 +848,28 @@ acct:
}
EXPORT_SYMBOL_GPL(__nf_ct_refresh_acct);
+bool __nf_ct_kill_acct(struct nf_conn *ct,
+ enum ip_conntrack_info ctinfo,
+ const struct sk_buff *skb,
+ int do_acct)
+{
+#ifdef CONFIG_NF_CT_ACCT
+ if (do_acct) {
+ spin_lock_bh(&nf_conntrack_lock);
+ ct->counters[CTINFO2DIR(ctinfo)].packets++;
+ ct->counters[CTINFO2DIR(ctinfo)].bytes +=
+ skb->len - skb_network_offset(skb);
+ spin_unlock_bh(&nf_conntrack_lock);
+ }
+#endif
+ if (del_timer(&ct->timeout)) {
+ ct->timeout.function((unsigned long)ct);
+ return true;
+ }
+ return false;
+}
+EXPORT_SYMBOL_GPL(__nf_ct_kill_acct);
+
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
#include <linux/netfilter/nfnetlink.h>
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index 8a3f8b34e466..3469bc71a385 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -95,13 +95,11 @@ void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
newlen = newoff + t->len;
rcu_read_unlock();
- if (newlen >= ksize(ct->ext)) {
- new = kmalloc(newlen, gfp);
- if (!new)
- return NULL;
-
- memcpy(new, ct->ext, ct->ext->len);
+ new = krealloc(ct->ext, newlen, gfp);
+ if (!new)
+ return NULL;
+ if (new != ct->ext) {
for (i = 0; i < NF_CT_EXT_NUM; i++) {
if (!nf_ct_ext_exist(ct, i))
continue;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 077bcd228799..95a7967731f9 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -4,7 +4,7 @@
* (C) 2001 by Jay Schulist <jschlst@samba.org>
* (C) 2002-2006 by Harald Welte <laforge@gnumonks.org>
* (C) 2003 by Patrick Mchardy <kaber@trash.net>
- * (C) 2005-2007 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2005-2008 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* Initial connection tracking via netlink development funded and
* generally made possible by Network Robots, Inc. (www.networkrobots.com)
@@ -476,14 +476,14 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
if (ctnetlink_dump_id(skb, ct) < 0)
goto nla_put_failure;
+ if (ctnetlink_dump_status(skb, ct) < 0)
+ goto nla_put_failure;
+
if (events & IPCT_DESTROY) {
if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
goto nla_put_failure;
} else {
- if (ctnetlink_dump_status(skb, ct) < 0)
- goto nla_put_failure;
-
if (ctnetlink_dump_timeout(skb, ct) < 0)
goto nla_put_failure;
@@ -813,9 +813,8 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
return -ENOENT;
}
}
- if (del_timer(&ct->timeout))
- ct->timeout.function((unsigned long)ct);
+ nf_ct_kill(ct);
nf_ct_put(ct);
return 0;
@@ -892,20 +891,19 @@ ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[])
if (d & (IPS_EXPECTED|IPS_CONFIRMED|IPS_DYING))
/* unchangeable */
- return -EINVAL;
+ return -EBUSY;
if (d & IPS_SEEN_REPLY && !(status & IPS_SEEN_REPLY))
/* SEEN_REPLY bit can only be set */
- return -EINVAL;
-
+ return -EBUSY;
if (d & IPS_ASSURED && !(status & IPS_ASSURED))
/* ASSURED bit can only be set */
- return -EINVAL;
+ return -EBUSY;
if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
#ifndef CONFIG_NF_NAT_NEEDED
- return -EINVAL;
+ return -EOPNOTSUPP;
#else
struct nf_nat_range range;
@@ -946,7 +944,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[])
/* don't change helper of sibling connections */
if (ct->master)
- return -EINVAL;
+ return -EBUSY;
err = ctnetlink_parse_help(cda[CTA_HELP], &helpname);
if (err < 0)
@@ -964,7 +962,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[])
helper = __nf_conntrack_helper_find_byname(helpname);
if (helper == NULL)
- return -EINVAL;
+ return -EOPNOTSUPP;
if (help) {
if (help->helper == helper)
@@ -1131,7 +1129,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
struct nf_conn_help *help;
struct nf_conntrack_helper *helper;
- ct = nf_conntrack_alloc(otuple, rtuple);
+ ct = nf_conntrack_alloc(otuple, rtuple, GFP_KERNEL);
if (ct == NULL || IS_ERR(ct))
return -ENOMEM;
@@ -1259,12 +1257,12 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
/* we only allow nat config for new conntracks */
if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
- err = -EINVAL;
+ err = -EOPNOTSUPP;
goto out_unlock;
}
/* can't link an existing conntrack to a master */
if (cda[CTA_TUPLE_MASTER]) {
- err = -EINVAL;
+ err = -EOPNOTSUPP;
goto out_unlock;
}
err = ctnetlink_change_conntrack(nf_ct_tuplehash_to_ctrack(h),
@@ -1609,7 +1607,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
h = __nf_conntrack_helper_find_byname(name);
if (!h) {
spin_unlock_bh(&nf_conntrack_lock);
- return -EINVAL;
+ return -EOPNOTSUPP;
}
for (i = 0; i < nf_ct_expect_hsize; i++) {
hlist_for_each_entry_safe(exp, n, next,
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index afb4a1861d2c..e7866dd3cde6 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -475,8 +475,7 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
if (type == DCCP_PKT_RESET &&
!test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) {
/* Tear down connection immediately if only reply is a RESET */
- if (del_timer(&ct->timeout))
- ct->timeout.function((unsigned long)ct);
+ nf_ct_kill_acct(ct, ctinfo, skb);
return NF_ACCEPT;
}
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index cbf2e27a22b2..41183a4d2d62 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -463,6 +463,82 @@ static bool sctp_new(struct nf_conn *ct, const struct sk_buff *skb,
return true;
}
+#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+static int sctp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
+ const struct nf_conn *ct)
+{
+ struct nlattr *nest_parms;
+
+ read_lock_bh(&sctp_lock);
+ nest_parms = nla_nest_start(skb, CTA_PROTOINFO_SCTP | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
+
+ NLA_PUT_U8(skb, CTA_PROTOINFO_SCTP_STATE, ct->proto.sctp.state);
+
+ NLA_PUT_BE32(skb,
+ CTA_PROTOINFO_SCTP_VTAG_ORIGINAL,
+ htonl(ct->proto.sctp.vtag[IP_CT_DIR_ORIGINAL]));
+
+ NLA_PUT_BE32(skb,
+ CTA_PROTOINFO_SCTP_VTAG_REPLY,
+ htonl(ct->proto.sctp.vtag[IP_CT_DIR_REPLY]));
+
+ read_unlock_bh(&sctp_lock);
+
+ nla_nest_end(skb, nest_parms);
+
+ return 0;
+
+nla_put_failure:
+ read_unlock_bh(&sctp_lock);
+ return -1;
+}
+
+static const struct nla_policy sctp_nla_policy[CTA_PROTOINFO_SCTP_MAX+1] = {
+ [CTA_PROTOINFO_SCTP_STATE] = { .type = NLA_U8 },
+ [CTA_PROTOINFO_SCTP_VTAG_ORIGINAL] = { .type = NLA_U32 },
+ [CTA_PROTOINFO_SCTP_VTAG_REPLY] = { .type = NLA_U32 },
+};
+
+static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct)
+{
+ struct nlattr *attr = cda[CTA_PROTOINFO_SCTP];
+ struct nlattr *tb[CTA_PROTOINFO_SCTP_MAX+1];
+ int err;
+
+ /* updates may not contain the internal protocol info, skip parsing */
+ if (!attr)
+ return 0;
+
+ err = nla_parse_nested(tb,
+ CTA_PROTOINFO_SCTP_MAX,
+ attr,
+ sctp_nla_policy);
+ if (err < 0)
+ return err;
+
+ if (!tb[CTA_PROTOINFO_SCTP_STATE] ||
+ !tb[CTA_PROTOINFO_SCTP_VTAG_ORIGINAL] ||
+ !tb[CTA_PROTOINFO_SCTP_VTAG_REPLY])
+ return -EINVAL;
+
+ write_lock_bh(&sctp_lock);
+ ct->proto.sctp.state = nla_get_u8(tb[CTA_PROTOINFO_SCTP_STATE]);
+ ct->proto.sctp.vtag[IP_CT_DIR_ORIGINAL] =
+ ntohl(nla_get_be32(tb[CTA_PROTOINFO_SCTP_VTAG_ORIGINAL]));
+ ct->proto.sctp.vtag[IP_CT_DIR_REPLY] =
+ ntohl(nla_get_be32(tb[CTA_PROTOINFO_SCTP_VTAG_REPLY]));
+ write_unlock_bh(&sctp_lock);
+
+ return 0;
+}
+#endif
+
#ifdef CONFIG_SYSCTL
static unsigned int sctp_sysctl_table_users;
static struct ctl_table_header *sctp_sysctl_header;
@@ -591,6 +667,8 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 __read_mostly = {
.new = sctp_new,
.me = THIS_MODULE,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+ .to_nlattr = sctp_to_nlattr,
+ .from_nlattr = nlattr_to_sctp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
@@ -617,6 +695,8 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 __read_mostly = {
.new = sctp_new,
.me = THIS_MODULE,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+ .to_nlattr = sctp_to_nlattr,
+ .from_nlattr = nlattr_to_sctp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index dd28fb239a60..420a10d8eb1e 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -844,14 +844,13 @@ static int tcp_packet(struct nf_conn *ct,
/* Attempt to reopen a closed/aborted connection.
* Delete this connection and look up again. */
write_unlock_bh(&tcp_lock);
+
/* Only repeat if we can actually remove the timer.
* Destruction may already be in progress in process
* context and we must give it a chance to terminate.
*/
- if (del_timer(&ct->timeout)) {
- ct->timeout.function((unsigned long)ct);
+ if (nf_ct_kill(ct))
return -NF_REPEAT;
- }
return -NF_DROP;
}
/* Fall through */
@@ -884,8 +883,7 @@ static int tcp_packet(struct nf_conn *ct,
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
"nf_ct_tcp: killing out of sync session ");
- if (del_timer(&ct->timeout))
- ct->timeout.function((unsigned long)ct);
+ nf_ct_kill(ct);
return -NF_DROP;
}
ct->proto.tcp.last_index = index;
@@ -968,8 +966,7 @@ static int tcp_packet(struct nf_conn *ct,
problem case, so we can delete the conntrack
immediately. --RR */
if (th->rst) {
- if (del_timer(&ct->timeout))
- ct->timeout.function((unsigned long)ct);
+ nf_ct_kill_acct(ct, ctinfo, skb);
return NF_ACCEPT;
}
} else if (!test_bit(IPS_ASSURED_BIT, &ct->status)
diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
index 69d699f95f4c..01489681fa96 100644
--- a/net/netfilter/nf_sockopt.c
+++ b/net/netfilter/nf_sockopt.c
@@ -65,7 +65,7 @@ static struct nf_sockopt_ops *nf_sockopt_find(struct sock *sk, int pf,
{
struct nf_sockopt_ops *ops;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return ERR_PTR(-ENOPROTOOPT);
if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 3447025ce068..8c860112ce05 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -243,7 +243,6 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
switch ((enum nfqnl_config_mode)queue->copy_mode) {
case NFQNL_COPY_META:
case NFQNL_COPY_NONE:
- data_len = 0;
break;
case NFQNL_COPY_PACKET:
@@ -556,7 +555,7 @@ nfqnl_rcv_dev_event(struct notifier_block *this,
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* Drop any packets associated with the downed device */
diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c
index 211189eb2b67..76ca1f2421eb 100644
--- a/net/netfilter/xt_CONNSECMARK.c
+++ b/net/netfilter/xt_CONNSECMARK.c
@@ -8,7 +8,7 @@
* Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com>
* by Henrik Nordstrom <hno@marasystems.com>
*
- * (C) 2006 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * (C) 2006,2008 Red Hat, Inc., James Morris <jmorris@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -94,6 +94,12 @@ connsecmark_tg_check(const char *tablename, const void *entry,
{
const struct xt_connsecmark_target_info *info = targinfo;
+ if (strcmp(tablename, "mangle") && strcmp(tablename, "security")) {
+ printk(KERN_INFO PFX "target only valid in the \'mangle\' "
+ "or \'security\' tables, not \'%s\'.\n", tablename);
+ return false;
+ }
+
switch (info->mode) {
case CONNSECMARK_SAVE:
case CONNSECMARK_RESTORE:
@@ -126,7 +132,6 @@ static struct xt_target connsecmark_tg_reg[] __read_mostly = {
.destroy = connsecmark_tg_destroy,
.target = connsecmark_tg,
.targetsize = sizeof(struct xt_connsecmark_target_info),
- .table = "mangle",
.me = THIS_MODULE,
},
{
@@ -136,7 +141,6 @@ static struct xt_target connsecmark_tg_reg[] __read_mostly = {
.destroy = connsecmark_tg_destroy,
.target = connsecmark_tg,
.targetsize = sizeof(struct xt_connsecmark_target_info),
- .table = "mangle",
.me = THIS_MODULE,
},
};
diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c
index c0284856ccd4..94f87ee7552b 100644
--- a/net/netfilter/xt_SECMARK.c
+++ b/net/netfilter/xt_SECMARK.c
@@ -5,7 +5,7 @@
* Based on the nfmark match by:
* (C) 1999-2001 Marc Boucher <marc@mbsi.ca>
*
- * (C) 2006 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * (C) 2006,2008 Red Hat, Inc., James Morris <jmorris@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -89,6 +89,12 @@ secmark_tg_check(const char *tablename, const void *entry,
{
struct xt_secmark_target_info *info = targinfo;
+ if (strcmp(tablename, "mangle") && strcmp(tablename, "security")) {
+ printk(KERN_INFO PFX "target only valid in the \'mangle\' "
+ "or \'security\' tables, not \'%s\'.\n", tablename);
+ return false;
+ }
+
if (mode && mode != info->mode) {
printk(KERN_INFO PFX "mode already set to %hu cannot mix with "
"rules for mode %hu\n", mode, info->mode);
@@ -127,7 +133,6 @@ static struct xt_target secmark_tg_reg[] __read_mostly = {
.destroy = secmark_tg_destroy,
.target = secmark_tg,
.targetsize = sizeof(struct xt_secmark_target_info),
- .table = "mangle",
.me = THIS_MODULE,
},
{
@@ -137,7 +142,6 @@ static struct xt_target secmark_tg_reg[] __read_mostly = {
.destroy = secmark_tg_destroy,
.target = secmark_tg,
.targetsize = sizeof(struct xt_secmark_target_info),
- .table = "mangle",
.me = THIS_MODULE,
},
};
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
index 72f694d947f4..4903182a062b 100644
--- a/net/netfilter/xt_string.c
+++ b/net/netfilter/xt_string.c
@@ -29,12 +29,16 @@ string_mt(const struct sk_buff *skb, const struct net_device *in,
{
const struct xt_string_info *conf = matchinfo;
struct ts_state state;
+ int invert;
memset(&state, 0, sizeof(struct ts_state));
+ invert = (match->revision == 0 ? conf->u.v0.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)
- != UINT_MAX) ^ conf->invert;
+ != UINT_MAX) ^ invert;
}
#define STRING_TEXT_PRIV(m) ((struct xt_string_info *)(m))
@@ -46,6 +50,7 @@ string_mt_check(const char *tablename, const void *ip,
{
struct xt_string_info *conf = matchinfo;
struct ts_config *ts_conf;
+ int flags = TS_AUTOLOAD;
/* Damn, can't handle this case properly with iptables... */
if (conf->from_offset > conf->to_offset)
@@ -54,8 +59,15 @@ string_mt_check(const char *tablename, const void *ip,
return false;
if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE)
return false;
+ if (match->revision == 1) {
+ if (conf->u.v1.flags &
+ ~(XT_STRING_FLAG_IGNORECASE | XT_STRING_FLAG_INVERT))
+ return false;
+ if (conf->u.v1.flags & XT_STRING_FLAG_IGNORECASE)
+ flags |= TS_IGNORECASE;
+ }
ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen,
- GFP_KERNEL, TS_AUTOLOAD);
+ GFP_KERNEL, flags);
if (IS_ERR(ts_conf))
return false;
@@ -72,6 +84,17 @@ static void string_mt_destroy(const struct xt_match *match, void *matchinfo)
static struct xt_match string_mt_reg[] __read_mostly = {
{
.name = "string",
+ .revision = 0,
+ .family = AF_INET,
+ .checkentry = string_mt_check,
+ .match = string_mt,
+ .destroy = string_mt_destroy,
+ .matchsize = sizeof(struct xt_string_info),
+ .me = THIS_MODULE
+ },
+ {
+ .name = "string",
+ .revision = 1,
.family = AF_INET,
.checkentry = string_mt_check,
.match = string_mt,
@@ -81,6 +104,17 @@ static struct xt_match string_mt_reg[] __read_mostly = {
},
{
.name = "string",
+ .revision = 0,
+ .family = AF_INET6,
+ .checkentry = string_mt_check,
+ .match = string_mt,
+ .destroy = string_mt_destroy,
+ .matchsize = sizeof(struct xt_string_info),
+ .me = THIS_MODULE
+ },
+ {
+ .name = "string",
+ .revision = 1,
.family = AF_INET6,
.checkentry = string_mt_check,
.match = string_mt,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 08:50:15 +0000