X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_time.c;h=9fa2e0824708f1acf62ab9c803a38eb4b4b2e408;hb=ff2bac6a63e3694e7a97152b7e934fe244e2a858;hp=ef48bbd93573080b3489f378a4cb3755d8c20e36;hpb=4d5709a7b7d54fc5882d2943a14988a92d48c00a;p=linux-2.6

diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index ef48bbd935..9fa2e08247 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -1,6 +1,7 @@
 /*
  *	xt_time
- *	Copyright © Jan Engelhardt <jengelh@computergmbh.de>, 2007
+ *	Copyright © CC Computer Consultants GmbH, 2007
+ *	Contact: <jengelh@computergmbh.de>
  *
  *	based on ipt_time by Fabrice MARIE <fabrice@netfilter.org>
  *	This is a module which is used for time matching
@@ -94,8 +95,11 @@ static inline void localtime_2(struct xtm *r, time_t time)
 	 */
 	r->dse = time / 86400;
 
-	/* 1970-01-01 (w=0) was a Thursday (4). */
-	r->weekday = (4 + r->dse) % 7;
+	/*
+	 * 1970-01-01 (w=0) was a Thursday (4).
+	 * -1 and +1 map Sunday properly onto 7.
+	 */
+	r->weekday = (4 + r->dse - 1) % 7 + 1;
 }
 
 static void localtime_3(struct xtm *r, time_t time)
@@ -146,11 +150,10 @@ static void localtime_3(struct xtm *r, time_t time)
 	return;
 }
 
-static bool xt_time_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)
+static bool
+time_mt(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 xt_time_info *info = matchinfo;
 	unsigned int packet_time;
@@ -169,7 +172,7 @@ static bool xt_time_match(const struct sk_buff *skb,
 	if (skb->tstamp.tv64 == 0)
 		__net_timestamp((struct sk_buff *)skb);
 
-	stamp = skb->tstamp.tv64;
+	stamp = ktime_to_ns(skb->tstamp);
 	do_div(stamp, NSEC_PER_SEC);
 
 	if (info->flags & XT_TIME_LOCAL_TZ)
@@ -215,9 +218,10 @@ static bool xt_time_match(const struct sk_buff *skb,
 	return true;
 }
 
-static bool xt_time_check(const char *tablename, const void *ip,
-                          const struct xt_match *match, void *matchinfo,
-                          unsigned int hook_mask)
+static bool
+time_mt_check(const char *tablename, const void *ip,
+              const struct xt_match *match, void *matchinfo,
+              unsigned int hook_mask)
 {
 	struct xt_time_info *info = matchinfo;
 
@@ -231,39 +235,39 @@ static bool xt_time_check(const char *tablename, const void *ip,
 	return true;
 }
 
-static struct xt_match xt_time_reg[] __read_mostly = {
+static struct xt_match time_mt_reg[] __read_mostly = {
 	{
 		.name       = "time",
 		.family     = AF_INET,
-		.match      = xt_time_match,
+		.match      = time_mt,
 		.matchsize  = sizeof(struct xt_time_info),
-		.checkentry = xt_time_check,
+		.checkentry = time_mt_check,
 		.me         = THIS_MODULE,
 	},
 	{
 		.name       = "time",
 		.family     = AF_INET6,
-		.match      = xt_time_match,
+		.match      = time_mt,
 		.matchsize  = sizeof(struct xt_time_info),
-		.checkentry = xt_time_check,
+		.checkentry = time_mt_check,
 		.me         = THIS_MODULE,
 	},
 };
 
-static int __init xt_time_init(void)
+static int __init time_mt_init(void)
 {
-	return xt_register_matches(xt_time_reg, ARRAY_SIZE(xt_time_reg));
+	return xt_register_matches(time_mt_reg, ARRAY_SIZE(time_mt_reg));
 }
 
-static void __exit xt_time_exit(void)
+static void __exit time_mt_exit(void)
 {
-	xt_unregister_matches(xt_time_reg, ARRAY_SIZE(xt_time_reg));
+	xt_unregister_matches(time_mt_reg, ARRAY_SIZE(time_mt_reg));
 }
 
-module_init(xt_time_init);
-module_exit(xt_time_exit);
+module_init(time_mt_init);
+module_exit(time_mt_exit);
 MODULE_AUTHOR("Jan Engelhardt <jengelh@computergmbh.de>");
-MODULE_DESCRIPTION("netfilter time match");
+MODULE_DESCRIPTION("Xtables: time-based matching");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("ipt_time");
 MODULE_ALIAS("ip6t_time");