Like with other modules (such as ipt_state), ipt_recent.h is changed
to forward definitions to (IOW include) xt_recent.h, and xt_recent.c
is changed to use the new constant names.
Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>
---
include/linux/netfilter/xt_recent.h | 26 ++++++++
include/linux/netfilter_ipv4/ipt_recent.h | 28 ++++-----
net/ipv4/netfilter/Kconfig | 13 ----
net/ipv4/netfilter/Makefile | 1 -
net/netfilter/Kconfig | 11 ++++
net/netfilter/Makefile | 1 +
.../ipt_recent.c => netfilter/xt_recent.c} | 37 ++++++------
7 files changed, 68 insertions(+), 49 deletions(-)
create mode 100644 include/linux/netfilter/xt_recent.h
rename net/{ipv4/netfilter/ipt_recent.c => netfilter/xt_recent.c} (92%)
diff --git a/include/linux/netfilter/xt_recent.h b/include/linux/netfilter/xt_recent.h
new file mode 100644
index 0000000..5cfeb81
--- /dev/null
+++ b/include/linux/netfilter/xt_recent.h
@@ -0,0 +1,26 @@
+#ifndef _LINUX_NETFILTER_XT_RECENT_H
+#define _LINUX_NETFILTER_XT_RECENT_H 1
+
+enum {
+ XT_RECENT_CHECK = 1 << 0,
+ XT_RECENT_SET = 1 << 1,
+ XT_RECENT_UPDATE = 1 << 2,
+ XT_RECENT_REMOVE = 1 << 3,
+ XT_RECENT_TTL = 1 << 4,
+
+ XT_RECENT_SOURCE = 0,
+ XT_RECENT_DEST = 1,
+
+ XT_RECENT_NAME_LEN = 200,
+};
+
+struct xt_recent_mtinfo {
+ u_int32_t seconds;
+ u_int32_t hit_count;
+ u_int8_t check_set;
+ u_int8_t invert;
+ char name[XT_RECENT_NAME_LEN];
+ u_int8_t side;
+};
+
+#endif /* _LINUX_NETFILTER_XT_RECENT_H */
diff --git a/include/linux/netfilter_ipv4/ipt_recent.h b/include/linux/netfilter_ipv4/ipt_recent.h
index 6508a45..d636cca 100644
--- a/include/linux/netfilter_ipv4/ipt_recent.h
+++ b/include/linux/netfilter_ipv4/ipt_recent.h
@@ -1,27 +1,21 @@
#ifndef _IPT_RECENT_H
#define _IPT_RECENT_H
-#define RECENT_NAME "ipt_recent"
-#define RECENT_VER "v0.3.1"
+#include <linux/netfilter/xt_recent.h>
-#define IPT_RECENT_CHECK 1
-#define IPT_RECENT_SET 2
-#define IPT_RECENT_UPDATE 4
-#define IPT_RECENT_REMOVE 8
-#define IPT_RECENT_TTL 16
+#define ipt_recent_info xt_recent_mtinfo
-#define IPT_RECENT_SOURCE 0
-#define IPT_RECENT_DEST 1
+enum {
+ IPT_RECENT_CHECK = XT_RECENT_CHECK,
+ IPT_RECENT_SET = XT_RECENT_SET,
+ IPT_RECENT_UPDATE = XT_RECENT_UPDATE,
+ IPT_RECENT_REMOVE = XT_RECENT_REMOVE,
+ IPT_RECENT_TTL = XT_RECENT_TTL,
-#define IPT_RECENT_NAME_LEN 200
+ IPT_RECENT_SOURCE = XT_RECENT_SOURCE,
+ IPT_RECENT_DEST = XT_RECENT_DEST,
-struct ipt_recent_info {
- u_int32_t seconds;
- u_int32_t hit_count;
- u_int8_t check_set;
- u_int8_t invert;
- char name[IPT_RECENT_NAME_LEN];
- u_int8_t side;
+ IPT_RECENT_NAME_LEN = XT_RECENT_NAME_LEN,
};
#endif /*_IPT_RECENT_H*/
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 9a077cb..eeaab13 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -57,19 +57,6 @@ config IP_NF_IPTABLES
To compile it as a module, choose M here. If unsure, say N.
# The matches.
-config IP_NF_MATCH_RECENT
- tristate '"recent" match support'
- depends on IP_NF_IPTABLES
- depends on NETFILTER_ADVANCED
- help
- This match is used for creating one or many lists of recently
- used addresses and then matching against that/those list(s).
-
- Short options are available by using 'iptables -m recent -h'
- Official Website: <http://snowman.net/projects/ipt_recent/>
-
- To compile it as a module, choose M here. If unsure, say N.
-
config IP_NF_MATCH_ECN
tristate '"ecn" match support'
depends on IP_NF_IPTABLES
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 0c7dc78..7b1b4e5 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o
obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
-obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
# targets
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index daf5b88..222aa07 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -711,6 +711,17 @@ config NETFILTER_XT_MATCH_REALM
If you want to compile it as a module, say M here and read
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'.
+config NETFILTER_XT_MATCH_RECENT
+ tristate '"recent" match support'
+ depends on NETFILTER_XTABLES
+ depends on NETFILTER_ADVANCED
+ ---help---
+ This match is used for creating one or many lists of recently
+ used addresses and then matching against that/those list(s).
+
+ Short options are available by using 'iptables -m recent -h'
+ Official Website: <http://snowman.net/projects/ipt_recent/>
+
config NETFILTER_XT_MATCH_SCTP
tristate '"sctp" protocol match support (EXPERIMENTAL)'
depends on NETFILTER_XTABLES && EXPERIMENTAL
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index ea75083..9599083 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -75,6 +75,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_POLICY) += xt_policy.o
obj-$(CONFIG_NETFILTER_XT_MATCH_QUOTA) += xt_quota.o
obj-$(CONFIG_NETFILTER_XT_MATCH_RATEEST) += xt_rateest.o
obj-$(CONFIG_NETFILTER_XT_MATCH_REALM) += xt_realm.o
+obj-$(CONFIG_NETFILTER_XT_MATCH_RECENT) += xt_recent.o
obj-$(CONFIG_NETFILTER_XT_MATCH_SCTP) += xt_sctp.o
obj-$(CONFIG_NETFILTER_XT_MATCH_STATE) += xt_state.o
obj-$(CONFIG_NETFILTER_XT_MATCH_STATISTIC) += xt_statistic.o
diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/netfilter/xt_recent.c
similarity index 92%
rename from net/ipv4/netfilter/ipt_recent.c
rename to net/netfilter/xt_recent.c
index 21cb053..15ddb6c 100644
--- a/net/ipv4/netfilter/ipt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -27,11 +27,12 @@
#include <net/net_namespace.h>
#include <linux/netfilter/x_tables.h>
-#include <linux/netfilter_ipv4/ipt_recent.h>
+#include <linux/netfilter/xt_recent.h>
MODULE_AUTHOR("Patrick McHardy <kaber@xxxxxxxxx>");
MODULE_DESCRIPTION("Xtables: \"recently-seen\" host matching for IPv4");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("ipt_recent");
static unsigned int ip_list_tot = 100;
static unsigned int ip_pkt_list_tot = 20;
@@ -64,7 +65,7 @@ struct recent_entry {
struct recent_table {
struct list_head list;
- char name[IPT_RECENT_NAME_LEN];
+ char name[XT_RECENT_NAME_LEN];
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc;
#endif
@@ -175,14 +176,14 @@ recent_mt(const struct sk_buff *skb, const struct net_device *in,
const void *matchinfo, int offset, unsigned int protoff,
bool *hotdrop)
{
- const struct ipt_recent_info *info = matchinfo;
+ const struct xt_recent_mtinfo *info = matchinfo;
struct recent_table *t;
struct recent_entry *e;
__be32 addr;
u_int8_t ttl;
bool ret = info->invert;
- if (info->side == IPT_RECENT_DEST)
+ if (info->side == XT_RECENT_DEST)
addr = ip_hdr(skb)->daddr;
else
addr = ip_hdr(skb)->saddr;
@@ -195,9 +196,9 @@ recent_mt(const struct sk_buff *skb, const struct net_device *in,
spin_lock_bh(&recent_lock);
t = recent_table_lookup(info->name);
e = recent_entry_lookup(t, addr,
- info->check_set & IPT_RECENT_TTL ? ttl : 0);
+ info->check_set & XT_RECENT_TTL ? ttl : 0);
if (e == NULL) {
- if (!(info->check_set & IPT_RECENT_SET))
+ if (!(info->check_set & XT_RECENT_SET))
goto out;
e = recent_entry_init(t, addr, ttl);
if (e == NULL)
@@ -206,12 +207,12 @@ recent_mt(const struct sk_buff *skb, const struct net_device *in,
goto out;
}
- if (info->check_set & IPT_RECENT_SET)
+ if (info->check_set & XT_RECENT_SET)
ret = !ret;
- else if (info->check_set & IPT_RECENT_REMOVE) {
+ else if (info->check_set & XT_RECENT_REMOVE) {
recent_entry_remove(t, e);
ret = !ret;
- } else if (info->check_set & (IPT_RECENT_CHECK | IPT_RECENT_UPDATE)) {
+ } else if (info->check_set & (XT_RECENT_CHECK | XT_RECENT_UPDATE)) {
unsigned long time = jiffies - info->seconds * HZ;
unsigned int i, hits = 0;
@@ -225,8 +226,8 @@ recent_mt(const struct sk_buff *skb, const struct net_device *in,
}
}
- if (info->check_set & IPT_RECENT_SET ||
- (info->check_set & IPT_RECENT_UPDATE && ret)) {
+ if (info->check_set & XT_RECENT_SET ||
+ (info->check_set & XT_RECENT_UPDATE && ret)) {
recent_entry_update(t, e);
e->ttl = ttl;
}
@@ -240,22 +241,22 @@ recent_mt_check(const char *tablename, const void *ip,
const struct xt_match *match, void *matchinfo,
unsigned int hook_mask)
{
- const struct ipt_recent_info *info = matchinfo;
+ const struct xt_recent_mtinfo *info = matchinfo;
struct recent_table *t;
unsigned i;
bool ret = false;
if (hweight8(info->check_set &
- (IPT_RECENT_SET | IPT_RECENT_REMOVE |
- IPT_RECENT_CHECK | IPT_RECENT_UPDATE)) != 1)
+ (XT_RECENT_SET | XT_RECENT_REMOVE |
+ XT_RECENT_CHECK | XT_RECENT_UPDATE)) != 1)
return false;
- if ((info->check_set & (IPT_RECENT_SET | IPT_RECENT_REMOVE)) &&
+ if ((info->check_set & (XT_RECENT_SET | XT_RECENT_REMOVE)) &&
(info->seconds || info->hit_count))
return false;
if (info->hit_count > ip_pkt_list_tot)
return false;
if (info->name[0] == '\0' ||
- strnlen(info->name, IPT_RECENT_NAME_LEN) == IPT_RECENT_NAME_LEN)
+ strnlen(info->name, XT_RECENT_NAME_LEN) == XT_RECENT_NAME_LEN)
return false;
mutex_lock(&recent_mutex);
@@ -296,7 +297,7 @@ out:
static void recent_mt_destroy(const struct xt_match *match, void *matchinfo)
{
- const struct ipt_recent_info *info = matchinfo;
+ const struct xt_recent_mtinfo *info = matchinfo;
struct recent_table *t;
mutex_lock(&recent_mutex);
@@ -461,7 +462,7 @@ static struct xt_match recent_mt_reg __read_mostly = {
.name = "recent",
.family = AF_INET,
.match = recent_mt,
- .matchsize = sizeof(struct ipt_recent_info),
+ .matchsize = sizeof(struct xt_recent_mtinfo),
.checkentry = recent_mt_check,
.destroy = recent_mt_destroy,
.me = THIS_MODULE,
--
1.5.4.4
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