hak5
/
openwrt
mirror of https://github.com/hak5/openwrt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

netfilter: add a check for ip proto in netfilter_match_speedup patches (closes: #5041) 

SVN-Revision: 15574
lede-17.01
Nicolas Thill 2009-05-03 16:34:02 +00:00
parent 1b890c945c
commit e30ebf29ca
3 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
target/linux/generic-2.6/patches-2.6.28/110-netfilter_match_speedup.patch
View File

@ -20,7 +20,7 @@
if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
IPT_INV_SRCIP)
|| FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
@@ -151,13 +154,32 @@ ip_packet_match(const struct iphdr *ip,
@@ -151,13 +154,35 @@ ip_packet_match(const struct iphdr *ip,
return false;
}
@ -45,6 +45,9 @@
+ IPT_INV_VIA_OUT))
+ goto has_match_rules;
+
+ if (FWINV(ip->proto, IPT_INV_PROTO))
+ goto has_match_rules;
+
+ if (FWINV(ip->flags&IPT_F_FRAG, IPT_INV_FRAG))
+ goto has_match_rules;
+
@ -55,7 +58,7 @@
duprintf("Unknown flag bits set: %08X\n",
ip->flags & ~IPT_F_MASK);
return false;
@@ -167,6 +189,8 @@ ip_checkentry(const struct ipt_ip *ip)
@@ -167,6 +192,8 @@ ip_checkentry(const struct ipt_ip *ip)
ip->invflags & ~IPT_INV_MASK);
return false;
}
@ -64,7 +67,7 @@
return true;
}
@@ -214,7 +238,6 @@ unconditional(const struct ipt_ip *ip)
@@ -214,7 +241,6 @@ unconditional(const struct ipt_ip *ip)
return 0;
return 1;

9
target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch
View File

@ -20,7 +20,7 @@
if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
IPT_INV_SRCIP)
|| FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
@@ -147,13 +150,32 @@ ip_packet_match(const struct iphdr *ip,
@@ -147,13 +150,35 @@ ip_packet_match(const struct iphdr *ip,
return false;
}
@ -45,6 +45,9 @@
+ IPT_INV_VIA_OUT))
+ goto has_match_rules;
+
+ if (FWINV(ip->proto, IPT_INV_PROTO))
+ goto has_match_rules;
+
+ if (FWINV(ip->flags&IPT_F_FRAG, IPT_INV_FRAG))
+ goto has_match_rules;
+
@ -55,7 +58,7 @@
duprintf("Unknown flag bits set: %08X\n",
ip->flags & ~IPT_F_MASK);
return false;
@@ -163,6 +185,8 @@ ip_checkentry(const struct ipt_ip *ip)
@@ -163,6 +188,8 @@ ip_checkentry(const struct ipt_ip *ip)
ip->invflags & ~IPT_INV_MASK);
return false;
}
@ -64,7 +67,7 @@
return true;
}
@@ -210,7 +234,6 @@ unconditional(const struct ipt_ip *ip)
@@ -210,7 +237,6 @@ unconditional(const struct ipt_ip *ip)
return 0;
return 1;

9
target/linux/generic-2.6/patches-2.6.30/110-netfilter_match_speedup.patch
View File

@ -20,7 +20,7 @@
if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
IPT_INV_SRCIP)
|| FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
@@ -137,13 +140,32 @@ ip_packet_match(const struct iphdr *ip,
@@ -137,13 +140,35 @@ ip_packet_match(const struct iphdr *ip,
return false;
}
@ -45,6 +45,9 @@
+ IPT_INV_VIA_OUT))
+ goto has_match_rules;
+
+ if (FWINV(ip->proto, IPT_INV_PROTO))
+ goto has_match_rules;
+
+ if (FWINV(ip->flags&IPT_F_FRAG, IPT_INV_FRAG))
+ goto has_match_rules;
+
@ -55,7 +58,7 @@
duprintf("Unknown flag bits set: %08X\n",
ip->flags & ~IPT_F_MASK);
return false;
@@ -153,6 +175,8 @@ ip_checkentry(const struct ipt_ip *ip)
@@ -153,6 +178,8 @@ ip_checkentry(const struct ipt_ip *ip)
ip->invflags & ~IPT_INV_MASK);
return false;
}
@ -64,7 +67,7 @@
return true;
}
@@ -200,7 +224,6 @@ unconditional(const struct ipt_ip *ip)
@@ -200,7 +227,6 @@ unconditional(const struct ipt_ip *ip)
return 0;
return 1;