netfilter: consider reply direction on selective flushing
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> SVN-Revision: 42095
This commit is contained in:
		@@ -8,7 +8,7 @@
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 #include <net/net_namespace.h>
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					 #include <net/net_namespace.h>
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 #ifdef CONFIG_SYSCTL
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					 #ifdef CONFIG_SYSCTL
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			||||||
 #include <linux/sysctl.h>
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					 #include <linux/sysctl.h>
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@@ -268,10 +269,63 @@ static int ct_open(struct inode *inode,
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					@@ -268,10 +269,66 @@ static int ct_open(struct inode *inode,
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			||||||
 			sizeof(struct ct_iter_state));
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					 			sizeof(struct ct_iter_state));
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 }
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					 }
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@@ -20,16 +20,19 @@
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+static int kill_matching(struct nf_conn *i, void *data)
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					+static int kill_matching(struct nf_conn *i, void *data)
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+{
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					+{
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+	struct kill_request *kr = data;
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					+	struct kill_request *kr = data;
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			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
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					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
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			||||||
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					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
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+
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					+
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+	if (!kr->family)
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					+	if (!kr->family)
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+		return 1;
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					+		return 1;
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+
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					+
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+	if (t->src.l3num != kr->family)
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					+	if (t1->src.l3num != kr->family)
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			||||||
+		return 0;
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					+		return 0;
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+
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					+
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			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
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					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
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			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
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					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
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					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
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					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
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+}
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					+}
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+
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					+
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+static ssize_t ct_file_write(struct file *file, const char __user *buf,
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					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
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@@ -72,7 +75,7 @@
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 	.llseek  = seq_lseek,
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					 	.llseek  = seq_lseek,
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			||||||
 	.release = seq_release_net,
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					 	.release = seq_release_net,
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 };
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					 };
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@@ -373,7 +427,7 @@ static int nf_conntrack_standalone_init_
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					@@ -373,7 +430,7 @@ static int nf_conntrack_standalone_init_
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 {
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					 {
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 	struct proc_dir_entry *pde;
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					 	struct proc_dir_entry *pde;
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			||||||
 
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			||||||
 
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			|||||||
@@ -8,7 +8,7 @@
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 #include <net/net_namespace.h>
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					 #include <net/net_namespace.h>
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			||||||
 #ifdef CONFIG_SYSCTL
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					 #ifdef CONFIG_SYSCTL
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 #include <linux/sysctl.h>
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					 #include <linux/sysctl.h>
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@@ -268,10 +269,63 @@ static int ct_open(struct inode *inode,
 | 
					@@ -268,10 +269,66 @@ static int ct_open(struct inode *inode,
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			||||||
 			sizeof(struct ct_iter_state));
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					 			sizeof(struct ct_iter_state));
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 }
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					 }
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			||||||
 
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@@ -20,16 +20,19 @@
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+static int kill_matching(struct nf_conn *i, void *data)
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					+static int kill_matching(struct nf_conn *i, void *data)
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			||||||
+{
 | 
					+{
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+	struct kill_request *kr = data;
 | 
					+	struct kill_request *kr = data;
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			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
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			||||||
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					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
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+
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					+
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			||||||
+	if (!kr->family)
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					+	if (!kr->family)
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+		return 1;
 | 
					+		return 1;
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			||||||
+
 | 
					+
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			||||||
+	if (t->src.l3num != kr->family)
 | 
					+	if (t1->src.l3num != kr->family)
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			||||||
+		return 0;
 | 
					+		return 0;
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+
 | 
					+
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			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
 | 
					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
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			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
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			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
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			||||||
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					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
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+}
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					+}
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+
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					+
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			||||||
+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
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			||||||
@@ -72,7 +75,7 @@
 | 
				
			|||||||
 	.llseek  = seq_lseek,
 | 
					 	.llseek  = seq_lseek,
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			||||||
 	.release = seq_release_net,
 | 
					 	.release = seq_release_net,
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			||||||
 };
 | 
					 };
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			||||||
@@ -373,7 +427,7 @@ static int nf_conntrack_standalone_init_
 | 
					@@ -373,7 +430,7 @@ static int nf_conntrack_standalone_init_
 | 
				
			||||||
 {
 | 
					 {
 | 
				
			||||||
 	struct proc_dir_entry *pde;
 | 
					 	struct proc_dir_entry *pde;
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -8,7 +8,7 @@
 | 
				
			|||||||
 #include <net/net_namespace.h>
 | 
					 #include <net/net_namespace.h>
 | 
				
			||||||
 #ifdef CONFIG_SYSCTL
 | 
					 #ifdef CONFIG_SYSCTL
 | 
				
			||||||
 #include <linux/sysctl.h>
 | 
					 #include <linux/sysctl.h>
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			||||||
@@ -268,10 +269,63 @@ static int ct_open(struct inode *inode,
 | 
					@@ -268,10 +269,66 @@ static int ct_open(struct inode *inode,
 | 
				
			||||||
 			sizeof(struct ct_iter_state));
 | 
					 			sizeof(struct ct_iter_state));
 | 
				
			||||||
 }
 | 
					 }
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			||||||
 
 | 
					 
 | 
				
			||||||
@@ -20,16 +20,19 @@
 | 
				
			|||||||
+static int kill_matching(struct nf_conn *i, void *data)
 | 
					+static int kill_matching(struct nf_conn *i, void *data)
 | 
				
			||||||
+{
 | 
					+{
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			||||||
+	struct kill_request *kr = data;
 | 
					+	struct kill_request *kr = data;
 | 
				
			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
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			||||||
 | 
					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
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+
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					+
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			||||||
+	if (!kr->family)
 | 
					+	if (!kr->family)
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			||||||
+		return 1;
 | 
					+		return 1;
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			||||||
+
 | 
					+
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			||||||
+	if (t->src.l3num != kr->family)
 | 
					+	if (t1->src.l3num != kr->family)
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			||||||
+		return 0;
 | 
					+		return 0;
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			||||||
+
 | 
					+
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			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
 | 
					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
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			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
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			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
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+}
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					+}
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+
 | 
					+
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			||||||
+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
				
			||||||
@@ -72,7 +75,7 @@
 | 
				
			|||||||
 	.llseek  = seq_lseek,
 | 
					 	.llseek  = seq_lseek,
 | 
				
			||||||
 	.release = seq_release_net,
 | 
					 	.release = seq_release_net,
 | 
				
			||||||
 };
 | 
					 };
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			||||||
@@ -373,7 +427,7 @@ static int nf_conntrack_standalone_init_
 | 
					@@ -373,7 +430,7 @@ static int nf_conntrack_standalone_init_
 | 
				
			||||||
 {
 | 
					 {
 | 
				
			||||||
 	struct proc_dir_entry *pde;
 | 
					 	struct proc_dir_entry *pde;
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -8,7 +8,7 @@
 | 
				
			|||||||
 #include <net/net_namespace.h>
 | 
					 #include <net/net_namespace.h>
 | 
				
			||||||
 #ifdef CONFIG_SYSCTL
 | 
					 #ifdef CONFIG_SYSCTL
 | 
				
			||||||
 #include <linux/sysctl.h>
 | 
					 #include <linux/sysctl.h>
 | 
				
			||||||
@@ -267,10 +268,63 @@ static int ct_open(struct inode *inode,
 | 
					@@ -267,10 +268,66 @@ static int ct_open(struct inode *inode,
 | 
				
			||||||
 			sizeof(struct ct_iter_state));
 | 
					 			sizeof(struct ct_iter_state));
 | 
				
			||||||
 }
 | 
					 }
 | 
				
			||||||
 
 | 
					 
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			||||||
@@ -20,16 +20,19 @@
 | 
				
			|||||||
+static int kill_matching(struct nf_conn *i, void *data)
 | 
					+static int kill_matching(struct nf_conn *i, void *data)
 | 
				
			||||||
+{
 | 
					+{
 | 
				
			||||||
+	struct kill_request *kr = data;
 | 
					+	struct kill_request *kr = data;
 | 
				
			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
				
			||||||
 | 
					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (!kr->family)
 | 
					+	if (!kr->family)
 | 
				
			||||||
+		return 1;
 | 
					+		return 1;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (t->src.l3num != kr->family)
 | 
					+	if (t1->src.l3num != kr->family)
 | 
				
			||||||
+		return 0;
 | 
					+		return 0;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
 | 
					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
 | 
				
			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
 | 
				
			||||||
+}
 | 
					+}
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
				
			||||||
@@ -72,7 +75,7 @@
 | 
				
			|||||||
 	.llseek  = seq_lseek,
 | 
					 	.llseek  = seq_lseek,
 | 
				
			||||||
 	.release = seq_release_net,
 | 
					 	.release = seq_release_net,
 | 
				
			||||||
 };
 | 
					 };
 | 
				
			||||||
@@ -372,7 +426,7 @@ static int nf_conntrack_standalone_init_
 | 
					@@ -372,7 +429,7 @@ static int nf_conntrack_standalone_init_
 | 
				
			||||||
 {
 | 
					 {
 | 
				
			||||||
 	struct proc_dir_entry *pde;
 | 
					 	struct proc_dir_entry *pde;
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -8,7 +8,7 @@
 | 
				
			|||||||
 #include <net/net_namespace.h>
 | 
					 #include <net/net_namespace.h>
 | 
				
			||||||
 #ifdef CONFIG_SYSCTL
 | 
					 #ifdef CONFIG_SYSCTL
 | 
				
			||||||
 #include <linux/sysctl.h>
 | 
					 #include <linux/sysctl.h>
 | 
				
			||||||
@@ -267,10 +268,63 @@ static int ct_open(struct inode *inode,
 | 
					@@ -267,10 +268,66 @@ static int ct_open(struct inode *inode,
 | 
				
			||||||
 			sizeof(struct ct_iter_state));
 | 
					 			sizeof(struct ct_iter_state));
 | 
				
			||||||
 }
 | 
					 }
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
@@ -20,16 +20,19 @@
 | 
				
			|||||||
+static int kill_matching(struct nf_conn *i, void *data)
 | 
					+static int kill_matching(struct nf_conn *i, void *data)
 | 
				
			||||||
+{
 | 
					+{
 | 
				
			||||||
+	struct kill_request *kr = data;
 | 
					+	struct kill_request *kr = data;
 | 
				
			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
				
			||||||
 | 
					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (!kr->family)
 | 
					+	if (!kr->family)
 | 
				
			||||||
+		return 1;
 | 
					+		return 1;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (t->src.l3num != kr->family)
 | 
					+	if (t1->src.l3num != kr->family)
 | 
				
			||||||
+		return 0;
 | 
					+		return 0;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
 | 
					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
 | 
				
			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
 | 
				
			||||||
+}
 | 
					+}
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
				
			||||||
@@ -72,7 +75,7 @@
 | 
				
			|||||||
 	.llseek  = seq_lseek,
 | 
					 	.llseek  = seq_lseek,
 | 
				
			||||||
 	.release = seq_release_net,
 | 
					 	.release = seq_release_net,
 | 
				
			||||||
 };
 | 
					 };
 | 
				
			||||||
@@ -372,7 +426,7 @@ static int nf_conntrack_standalone_init_
 | 
					@@ -372,7 +429,7 @@ static int nf_conntrack_standalone_init_
 | 
				
			||||||
 {
 | 
					 {
 | 
				
			||||||
 	struct proc_dir_entry *pde;
 | 
					 	struct proc_dir_entry *pde;
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -8,7 +8,7 @@
 | 
				
			|||||||
 #include <net/net_namespace.h>
 | 
					 #include <net/net_namespace.h>
 | 
				
			||||||
 #ifdef CONFIG_SYSCTL
 | 
					 #ifdef CONFIG_SYSCTL
 | 
				
			||||||
 #include <linux/sysctl.h>
 | 
					 #include <linux/sysctl.h>
 | 
				
			||||||
@@ -267,10 +268,63 @@ static int ct_open(struct inode *inode,
 | 
					@@ -267,10 +268,66 @@ static int ct_open(struct inode *inode,
 | 
				
			||||||
 			sizeof(struct ct_iter_state));
 | 
					 			sizeof(struct ct_iter_state));
 | 
				
			||||||
 }
 | 
					 }
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
@@ -20,16 +20,19 @@
 | 
				
			|||||||
+static int kill_matching(struct nf_conn *i, void *data)
 | 
					+static int kill_matching(struct nf_conn *i, void *data)
 | 
				
			||||||
+{
 | 
					+{
 | 
				
			||||||
+	struct kill_request *kr = data;
 | 
					+	struct kill_request *kr = data;
 | 
				
			||||||
+	struct nf_conntrack_tuple *t = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
					+	struct nf_conntrack_tuple *t1 = &i->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 | 
				
			||||||
 | 
					+	struct nf_conntrack_tuple *t2 = &i->tuplehash[IP_CT_DIR_REPLY].tuple;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (!kr->family)
 | 
					+	if (!kr->family)
 | 
				
			||||||
+		return 1;
 | 
					+		return 1;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	if (t->src.l3num != kr->family)
 | 
					+	if (t1->src.l3num != kr->family)
 | 
				
			||||||
+		return 0;
 | 
					+		return 0;
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+	return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
 | 
					+	return (nf_inet_addr_cmp(&kr->addr, &t1->src.u3) ||
 | 
				
			||||||
+	        nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t1->dst.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->src.u3) ||
 | 
				
			||||||
 | 
					+	        nf_inet_addr_cmp(&kr->addr, &t2->dst.u3));
 | 
				
			||||||
+}
 | 
					+}
 | 
				
			||||||
+
 | 
					+
 | 
				
			||||||
+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
					+static ssize_t ct_file_write(struct file *file, const char __user *buf,
 | 
				
			||||||
@@ -72,7 +75,7 @@
 | 
				
			|||||||
 	.llseek  = seq_lseek,
 | 
					 	.llseek  = seq_lseek,
 | 
				
			||||||
 	.release = seq_release_net,
 | 
					 	.release = seq_release_net,
 | 
				
			||||||
 };
 | 
					 };
 | 
				
			||||||
@@ -372,7 +426,7 @@ static int nf_conntrack_standalone_init_
 | 
					@@ -372,7 +429,7 @@ static int nf_conntrack_standalone_init_
 | 
				
			||||||
 {
 | 
					 {
 | 
				
			||||||
 	struct proc_dir_entry *pde;
 | 
					 	struct proc_dir_entry *pde;
 | 
				
			||||||
 
 | 
					 
 | 
				
			||||||
 
 | 
				
			|||||||
		Reference in New Issue
	
	Block a user