netfilter: remove ipt_limit (CONFIG_IP_NF_MATCH_TIME) superseeded by xt_limit (CONFIG_NETFILTER_XT_MATCH_TIME) in 2.6.24 and newer, remove ipt_limit in 2.4 since we don't have userland support for it in iptables v1.3.8

SVN-Revision: 15843

target/linux/generic-2.4/patches/617-netfilter_time.patch

@@ -1,242 +0,0 @@
-Index: linux-2.4.35.4/net/ipv4/netfilter/Config.in
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/Config.in
-+++ linux-2.4.35.4/net/ipv4/netfilter/Config.in
-@@ -47,6 +47,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; 
-   dep_tristate '  netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES
-   dep_tristate '  Multiple port match support' CONFIG_IP_NF_MATCH_MULTIPORT $CONFIG_IP_NF_IPTABLES
-   dep_tristate '  TOS match support' CONFIG_IP_NF_MATCH_TOS $CONFIG_IP_NF_IPTABLES
-+  dep_tristate '  TIME match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_TIME $CONFIG_IP_NF_IPTABLES
-   dep_tristate '  condition match support' CONFIG_IP_NF_MATCH_CONDITION $CONFIG_IP_NF_IPTABLES
-   dep_tristate '  recent match support' CONFIG_IP_NF_MATCH_RECENT $CONFIG_IP_NF_IPTABLES
-   dep_tristate '  ECN match support' CONFIG_IP_NF_MATCH_ECN $CONFIG_IP_NF_IPTABLES
-Index: linux-2.4.35.4/net/ipv4/netfilter/ipt_time.c
-===================================================================
---- /dev/null
-+++ linux-2.4.35.4/net/ipv4/netfilter/ipt_time.c
-@@ -0,0 +1,193 @@
-+/*
-+  This is a module which is used for time matching
-+  It is using some modified code from dietlibc (localtime() function)
-+  that you can find at http://www.fefe.de/dietlibc/
-+  This file is distributed under the terms of the GNU General Public
-+  License (GPL). Copies of the GPL can be obtained from: ftp://prep.ai.mit.edu/pub/gnu/GPL
-+  2001-05-04 Fabrice MARIE <[email protected]> : initial development.
-+  2001-21-05 Fabrice MARIE <[email protected]> : bug fix in the match code,
-+     thanks to "Zeng Yu" <[email protected]> for bug report.
-+  2001-26-09 Fabrice MARIE <[email protected]> : force the match to be in LOCAL_IN or PRE_ROUTING only.
-+  2001-30-11 Fabrice : added the possibility to use the match in FORWARD/OUTPUT with a little hack,
-+     added Nguyen Dang Phuoc Dong <[email protected]> patch to support timezones.
-+  2004-05-02 Fabrice : added support for date matching, from an idea of Fabien COELHO.
-+*/
-+
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ipt_time.h>
-+#include <linux/time.h>
-+
-+MODULE_AUTHOR("Fabrice MARIE <[email protected]>");
-+MODULE_DESCRIPTION("Match arrival timestamp/date");
-+MODULE_LICENSE("GPL");
-+
-+struct tm
-+{
-+	int tm_sec;                   /* Seconds.     [0-60] (1 leap second) */
-+	int tm_min;                   /* Minutes.     [0-59] */
-+	int tm_hour;                  /* Hours.       [0-23] */
-+	int tm_mday;                  /* Day.         [1-31] */
-+	int tm_mon;                   /* Month.       [0-11] */
-+	int tm_year;                  /* Year - 1900.  */
-+	int tm_wday;                  /* Day of week. [0-6] */
-+	int tm_yday;                  /* Days in year.[0-365] */
-+	int tm_isdst;                 /* DST.         [-1/0/1]*/
-+
-+	long int tm_gmtoff;           /* we don't care, we count from GMT */
-+	const char *tm_zone;          /* we don't care, we count from GMT */
-+};
-+
-+void
-+localtime(const time_t *timepr, struct tm *r);
-+
-+static int
-+match(const struct sk_buff *skb,
-+      const struct net_device *in,
-+      const struct net_device *out,
-+      const void *matchinfo,
-+      int offset,
-+      const void *hdr,
-+      u_int16_t datalen,
-+      int *hotdrop)
-+{
-+	const struct ipt_time_info *info = matchinfo;   /* match info for rule */
-+	struct tm currenttime;                          /* time human readable */
-+	u_int8_t days_of_week[7] = {64, 32, 16, 8, 4, 2, 1};
-+	u_int16_t packet_time;
-+	struct timeval kerneltimeval;
-+	time_t packet_local_time;
-+
-+	/* if kerneltime=1, we don't read the skb->timestamp but kernel time instead */
-+	if (info->kerneltime)
-+	{
-+		do_gettimeofday(&kerneltimeval);
-+		packet_local_time = kerneltimeval.tv_sec;
-+	}
-+	else
-+		packet_local_time = skb->stamp.tv_sec;
-+
-+	/* First we make sure we are in the date start-stop boundaries */
-+	if ((packet_local_time < info->date_start) || (packet_local_time > info->date_stop))
-+		return 0; /* We are outside the date boundaries */
-+
-+	/* Transform the timestamp of the packet, in a human readable form */
-+	localtime(&packet_local_time, &currenttime);
-+
-+	/* check if we match this timestamp, we start by the days... */
-+	if ((days_of_week[currenttime.tm_wday] & info->days_match) != days_of_week[currenttime.tm_wday])
-+		return 0; /* the day doesn't match */
-+
-+	/* ... check the time now */
-+	packet_time = (currenttime.tm_hour * 60) + currenttime.tm_min;
-+	if ((packet_time < info->time_start) || (packet_time > info->time_stop))
-+		return 0;
-+
-+	/* here we match ! */
-+	return 1;
-+}
-+
-+static int
-+checkentry(const char *tablename,
-+           const struct ipt_ip *ip,
-+           void *matchinfo,
-+           unsigned int matchsize,
-+           unsigned int hook_mask)
-+{
-+	struct ipt_time_info *info = matchinfo;   /* match info for rule */
-+
-+	/* First, check that we are in the correct hooks */
-+	if (hook_mask
-+            & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD) | (1 << NF_IP_LOCAL_OUT)))
-+	{
-+		printk("ipt_time: error, only valid for PRE_ROUTING, LOCAL_IN, FORWARD and OUTPUT)\n");
-+		return 0;
-+	}
-+	/* we use the kerneltime if we are in forward or output */
-+	info->kerneltime = 1;
-+	if (hook_mask & ~((1 << NF_IP_FORWARD) | (1 << NF_IP_LOCAL_OUT))) 
-+		/* we use the skb time */
-+		info->kerneltime = 0;
-+
-+	/* Check the size */
-+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_time_info)))
-+		return 0;
-+	/* Now check the coherence of the data ... */
-+	if ((info->time_start > 1439) ||        /* 23*60+59 = 1439*/
-+	    (info->time_stop  > 1439))
-+	{
-+		printk(KERN_WARNING "ipt_time: invalid argument\n");
-+		return 0;
-+	}
-+
-+	return 1;
-+}
-+
-+static struct ipt_match time_match = {
-+	.name		= "time",
-+	.match		= match,
-+	.checkentry	= checkentry,
-+	.me		= THIS_MODULE,
-+};
-+
-+static int __init init(void)
-+{
-+	printk("ipt_time loading\n");
-+	return ipt_register_match(&time_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+	ipt_unregister_match(&time_match);
-+	printk("ipt_time unloaded\n");
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+
-+/* The part below is borowed and modified from dietlibc */
-+
-+/* seconds per day */
-+#define SPD 24*60*60
-+
-+void
-+localtime(const time_t *timepr, struct tm *r) {
-+	time_t i;
-+	time_t timep;
-+	extern struct timezone sys_tz;
-+	const unsigned int __spm[12] =
-+		{ 0,
-+		  (31),
-+		  (31+28),
-+		  (31+28+31),
-+		  (31+28+31+30),
-+		  (31+28+31+30+31),
-+		  (31+28+31+30+31+30),
-+		  (31+28+31+30+31+30+31),
-+		  (31+28+31+30+31+30+31+31),
-+		  (31+28+31+30+31+30+31+31+30),
-+		  (31+28+31+30+31+30+31+31+30+31),
-+		  (31+28+31+30+31+30+31+31+30+31+30),
-+		};
-+	register time_t work;
-+
-+	timep = (*timepr) - (sys_tz.tz_minuteswest * 60);
-+	work=timep%(SPD);
-+	r->tm_sec=work%60; work/=60;
-+	r->tm_min=work%60; r->tm_hour=work/60;
-+	work=timep/(SPD);
-+	r->tm_wday=(4+work)%7;
-+	for (i=1970; ; ++i) {
-+		register time_t k= (!(i%4) && ((i%100) || !(i%400)))?366:365;
-+		if (work>k)
-+			work-=k;
-+		else
-+			break;
-+	}
-+	r->tm_year=i-1900;
-+	for (i=11; i && __spm[i]>work; --i) ;
-+	r->tm_mon=i;
-+	r->tm_mday=work-__spm[i]+1;
-+}
-Index: linux-2.4.35.4/net/ipv4/netfilter/Makefile
-===================================================================
---- linux-2.4.35.4.orig/net/ipv4/netfilter/Makefile
-+++ linux-2.4.35.4/net/ipv4/netfilter/Makefile
-@@ -111,6 +111,7 @@ obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt
- obj-$(CONFIG_IP_NF_MATCH_MULTIPORT) += ipt_multiport.o
- obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner.o
- obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o
-+obj-$(CONFIG_IP_NF_MATCH_TIME) += ipt_time.o
- obj-$(CONFIG_IP_NF_MATCH_CONDITION) += ipt_condition.o
- 
- obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
-Index: linux-2.4.35.4/include/linux/netfilter_ipv4/ipt_time.h
-===================================================================
---- /dev/null
-+++ linux-2.4.35.4/include/linux/netfilter_ipv4/ipt_time.h
-@@ -0,0 +1,15 @@
-+#ifndef __ipt_time_h_included__
-+#define __ipt_time_h_included__
-+
-+
-+struct ipt_time_info {
-+	u_int8_t  days_match;   /* 1 bit per day. -SMTWTFS                      */
-+	u_int16_t time_start;   /* 0 < time_start < 23*60+59 = 1439             */
-+	u_int16_t time_stop;    /* 0:0 < time_stat < 23:59                      */
-+	u_int8_t  kerneltime;   /* ignore skb time (and use kerneltime) or not. */
-+	time_t    date_start;
-+	time_t    date_stop;
-+};
-+
-+
-+#endif /* __ipt_time_h_included__ */

target/linux/generic-2.6/patches-2.6.25/140-netfilter_time.patch

@@ -1,237 +0,0 @@
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_time.h
-@@ -0,0 +1,18 @@
-+#ifndef __ipt_time_h_included__
-+#define __ipt_time_h_included__
-+
-+
-+struct ipt_time_info {
-+	u_int8_t  days_match;   /* 1 bit per day. -SMTWTFS                      */
-+	u_int16_t time_start;   /* 0 < time_start < 23*60+59 = 1439             */
-+	u_int16_t time_stop;    /* 0:0 < time_stat < 23:59                      */
-+
-+				/* FIXME: Keep this one for userspace iptables binary compability: */
-+	u_int8_t  kerneltime;   /* ignore skb time (and use kerneltime) or not. */
-+
-+	time_t    date_start;
-+	time_t    date_stop;
-+};
-+
-+
-+#endif /* __ipt_time_h_included__ */
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_time.c
-@@ -0,0 +1,180 @@
-+/*
-+  This is a module which is used for time matching
-+  It is using some modified code from dietlibc (localtime() function)
-+  that you can find at http://www.fefe.de/dietlibc/
-+  This file is distributed under the terms of the GNU General Public
-+  License (GPL). Copies of the GPL can be obtained from: ftp://prep.ai.mit.edu/pub/gnu/GPL
-+  2001-05-04 Fabrice MARIE <[email protected]> : initial development.
-+  2001-21-05 Fabrice MARIE <[email protected]> : bug fix in the match code,
-+     thanks to "Zeng Yu" <[email protected]> for bug report.
-+  2001-26-09 Fabrice MARIE <[email protected]> : force the match to be in LOCAL_IN or PRE_ROUTING only.
-+  2001-30-11 Fabrice : added the possibility to use the match in FORWARD/OUTPUT with a little hack,
-+     added Nguyen Dang Phuoc Dong <[email protected]> patch to support timezones.
-+  2004-05-02 Fabrice : added support for date matching, from an idea of Fabien COELHO.
-+*/
-+
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ipt_time.h>
-+#include <linux/time.h>
-+
-+MODULE_AUTHOR("Fabrice MARIE <[email protected]>");
-+MODULE_DESCRIPTION("Match arrival timestamp/date");
-+MODULE_LICENSE("GPL");
-+
-+struct tm
-+{
-+	int tm_sec;                   /* Seconds.     [0-60] (1 leap second) */
-+	int tm_min;                   /* Minutes.     [0-59] */
-+	int tm_hour;                  /* Hours.       [0-23] */
-+	int tm_mday;                  /* Day.         [1-31] */
-+	int tm_mon;                   /* Month.       [0-11] */
-+	int tm_year;                  /* Year - 1900.  */
-+	int tm_wday;                  /* Day of week. [0-6] */
-+	int tm_yday;                  /* Days in year.[0-365] */
-+	int tm_isdst;                 /* DST.         [-1/0/1]*/
-+
-+	long int tm_gmtoff;           /* we don't care, we count from GMT */
-+	const char *tm_zone;          /* we don't care, we count from GMT */
-+};
-+
-+void
-+localtime(const u32 time, struct tm *r);
-+
-+static bool
-+match(const struct sk_buff *skb,
-+      const struct net_device *in,
-+      const struct net_device *out,
-+      const struct xt_match *match,
-+      const void *matchinfo,
-+      int offset,
-+      unsigned int protoff,
-+      bool *hotdrop)
-+{
-+	const struct ipt_time_info *info = matchinfo;   /* match info for rule */
-+	struct timeval tv;
-+	struct tm currenttime;                          /* time human readable */
-+	u_int8_t days_of_week[7] = {64, 32, 16, 8, 4, 2, 1};
-+	u_int16_t packet_time;
-+
-+	/* We might not have a timestamp, get one */
-+	if (skb->tstamp.tv64 == 0)
-+		__net_timestamp((struct sk_buff *)skb);
-+
-+	skb_get_timestamp(skb, &tv);
-+	/* First we make sure we are in the date start-stop boundaries */
-+	if ((tv.tv_sec < info->date_start) || (tv.tv_sec > info->date_stop))
-+		return 0; /* We are outside the date boundaries */
-+
-+	/* Transform the timestamp of the packet, in a human readable form */
-+	localtime(tv.tv_sec, &currenttime);
-+
-+	/* check if we match this timestamp, we start by the days... */
-+	if ((days_of_week[currenttime.tm_wday] & info->days_match) != days_of_week[currenttime.tm_wday])
-+		return 0; /* the day doesn't match */
-+
-+	/* ... check the time now */
-+	packet_time = (currenttime.tm_hour * 60) + currenttime.tm_min;
-+	if ((packet_time < info->time_start) || (packet_time > info->time_stop))
-+		return 0;
-+
-+	/* here we match ! */
-+	return 1;
-+}
-+
-+static bool
-+checkentry(const char *tablename,
-+           const void *ip,
-+	   const struct xt_match *match,
-+           void *matchinfo,
-+           unsigned int hook_mask)
-+{
-+	struct ipt_time_info *info = matchinfo;   /* match info for rule */
-+
-+	/* First, check that we are in the correct hooks */
-+	if (hook_mask
-+            & ~((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_FORWARD) | (1 << NF_INET_LOCAL_OUT)))
-+	{
-+		printk("ipt_time: error, only valid for PRE_ROUTING, LOCAL_IN, FORWARD and OUTPUT)\n");
-+		return 0;
-+	}
-+
-+	/* Now check the coherence of the data ... */
-+	if ((info->time_start > 1439) ||        /* 23*60+59 = 1439*/
-+	    (info->time_stop  > 1439))
-+	{
-+		printk(KERN_WARNING "ipt_time: invalid argument\n");
-+		return 0;
-+	}
-+
-+	return 1;
-+}
-+
-+static struct ipt_match time_match = {
-+	.name = "time",
-+	.match = &match,
-+	.matchsize = sizeof(struct ipt_time_info),
-+	.checkentry = &checkentry,
-+	.me = THIS_MODULE
-+};
-+
-+static int __init init(void)
-+{
-+	printk("ipt_time loading\n");
-+	return xt_register_match(&time_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+	xt_unregister_match(&time_match);
-+	printk("ipt_time unloaded\n");
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+
-+/* The part below is borowed and modified from dietlibc */
-+
-+/* seconds per day */
-+#define SPD 24*60*60
-+
-+void
-+localtime(const u32 time, struct tm *r) {
-+	u32 i, timep;
-+	extern struct timezone sys_tz;
-+	const unsigned int __spm[12] =
-+		{ 0,
-+		  (31),
-+		  (31+28),
-+		  (31+28+31),
-+		  (31+28+31+30),
-+		  (31+28+31+30+31),
-+		  (31+28+31+30+31+30),
-+		  (31+28+31+30+31+30+31),
-+		  (31+28+31+30+31+30+31+31),
-+		  (31+28+31+30+31+30+31+31+30),
-+		  (31+28+31+30+31+30+31+31+30+31),
-+		  (31+28+31+30+31+30+31+31+30+31+30),
-+		};
-+	register u32 work;
-+
-+	timep = time - (sys_tz.tz_minuteswest * 60);
-+	work=timep%(SPD);
-+	r->tm_sec=work%60; work/=60;
-+	r->tm_min=work%60; r->tm_hour=work/60;
-+	work=timep/(SPD);
-+	r->tm_wday=(4+work)%7;
-+	for (i=1970; ; ++i) {
-+		register time_t k= (!(i%4) && ((i%100) || !(i%400)))?366:365;
-+		if (work>k)
-+			work-=k;
-+		else
-+			break;
-+	}
-+	r->tm_year=i-1900;
-+	for (i=11; i && __spm[i]>work; --i) ;
-+	r->tm_mon=i;
-+	r->tm_mday=work-__spm[i]+1;
-+}
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -57,6 +57,20 @@ config IP_NF_IPTABLES
- 	  To compile it as a module, choose M here.  If unsure, say N.
- 
- # The matches.
-+config IP_NF_MATCH_TIME
-+	tristate  'TIME match support'
-+ 	depends on IP_NF_IPTABLES
-+ 	help
-+ 	  This option adds a `time' match, which allows you
-+ 	  to match based on the packet arrival time/date
-+ 	  (arrival time/date at the machine which netfilter is running on) or
-+ 	  departure time/date (for locally generated packets).
-+
-+ 	  If you say Y here, try iptables -m time --help for more information.
-+ 	  If you want to compile it as a module, say M here and read
-+
-+ 	  Documentation/modules.txt.  If unsure, say `N'.
-+
- config IP_NF_MATCH_RECENT
- 	tristate '"recent" match support'
- 	depends on IP_NF_IPTABLES
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -47,6 +47,7 @@ obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn
- obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
- obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-+obj-$(CONFIG_IP_NF_MATCH_TIME) += ipt_time.o
- 
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o