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netfilter: consider reply direction on selective flushing

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Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 42095
This commit is contained in:
Jo-Philipp Wich 2014-08-10 10:15:22 +00:00
parent f1b40f9304
commit 0cf7cba67b
6 changed files with 54 additions and 36 deletions
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15
target/linux/generic/patches-3.10/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
@@ -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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.release = seq_release_net,
};
@@ -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;

15
target/linux/generic/patches-3.13/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
@@ -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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.release = seq_release_net,
};
@@ -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;

15
target/linux/generic/patches-3.14/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
@@ -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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.release = seq_release_net,
};
@@ -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;

15
target/linux/generic/patches-3.3/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.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;

15
target/linux/generic/patches-3.8/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.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;

15
target/linux/generic/patches-3.9/604-netfilter_conntrack_flush.patch
View File

@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#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));
}
@ -20,16 +20,19 @@
+static int kill_matching(struct nf_conn *i, void *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)
+ return 1;
+
+ if (t->src.l3num != kr->family)
+ if (t1->src.l3num != kr->family)
+ return 0;
+
+ return (nf_inet_addr_cmp(&kr->addr, &t->src.u3) ||
+ nf_inet_addr_cmp(&kr->addr, &t->dst.u3));
+ return (nf_inet_addr_cmp(&kr->addr, &t1->src.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,
@ -72,7 +75,7 @@
.llseek = seq_lseek,
.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;