BB: netfilter: consider reply direction on selective flushing

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

Backport of r42095

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42096 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2014-08-10 10:17:03 +00:00
parent 1508439010
commit e77adae70c
1 changed files with 9 additions and 6 deletions

View File

@ -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>
@@ -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));
} }
@ -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,
}; };
@@ -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;