From de4c4d35e17830170dba6aa1b3b025d93a7b3302 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sun, 27 May 2012 15:01:09 +0000 Subject: linux/3.1: R.I.P. SVN-Revision: 31891 --- ...610-netfilter_match_bypass_default_checks.patch | 93 ---------------------- 1 file changed, 93 deletions(-) delete mode 100644 target/linux/generic/patches-3.1/610-netfilter_match_bypass_default_checks.patch (limited to 'target/linux/generic/patches-3.1/610-netfilter_match_bypass_default_checks.patch') diff --git a/target/linux/generic/patches-3.1/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-3.1/610-netfilter_match_bypass_default_checks.patch deleted file mode 100644 index 51c9e0999b..0000000000 --- a/target/linux/generic/patches-3.1/610-netfilter_match_bypass_default_checks.patch +++ /dev/null @@ -1,93 +0,0 @@ ---- a/include/linux/netfilter_ipv4/ip_tables.h -+++ b/include/linux/netfilter_ipv4/ip_tables.h -@@ -93,6 +93,7 @@ struct ipt_ip { - #define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */ - #define IPT_F_GOTO 0x02 /* Set if jump is a goto */ - #define IPT_F_MASK 0x03 /* All possible flag bits mask. */ -+#define IPT_F_NO_DEF_MATCH 0x80 /* Internal: no default match rules present */ - - /* Values for "inv" field in struct ipt_ip. */ - #define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ ---- a/net/ipv4/netfilter/ip_tables.c -+++ b/net/ipv4/netfilter/ip_tables.c -@@ -81,6 +81,9 @@ ip_packet_match(const struct iphdr *ip, - - #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg))) - -+ if (ipinfo->flags & IPT_F_NO_DEF_MATCH) -+ return true; -+ - 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, -@@ -134,6 +137,29 @@ ip_packet_match(const struct iphdr *ip, - return true; - } - -+static void -+ip_checkdefault(struct ipt_ip *ip) -+{ -+ static const char iface_mask[IFNAMSIZ] = {}; -+ -+ if (ip->invflags || ip->flags & IPT_F_FRAG) -+ return; -+ -+ if (memcmp(ip->iniface_mask, iface_mask, IFNAMSIZ) != 0) -+ return; -+ -+ if (memcmp(ip->outiface_mask, iface_mask, IFNAMSIZ) != 0) -+ return; -+ -+ if (ip->smsk.s_addr || ip->dmsk.s_addr) -+ return; -+ -+ if (ip->proto) -+ return; -+ -+ ip->flags |= IPT_F_NO_DEF_MATCH; -+} -+ - static bool - ip_checkentry(const struct ipt_ip *ip) - { -@@ -561,7 +587,7 @@ static void cleanup_match(struct xt_entr - } - - static int --check_entry(const struct ipt_entry *e, const char *name) -+check_entry(struct ipt_entry *e, const char *name) - { - const struct xt_entry_target *t; - -@@ -570,6 +596,8 @@ check_entry(const struct ipt_entry *e, c - return -EINVAL; - } - -+ ip_checkdefault(&e->ip); -+ - if (e->target_offset + sizeof(struct xt_entry_target) > - e->next_offset) - return -EINVAL; -@@ -931,6 +959,7 @@ copy_entries_to_user(unsigned int total_ - const struct xt_table_info *private = table->private; - int ret = 0; - const void *loc_cpu_entry; -+ u8 flags; - - counters = alloc_counters(table); - if (IS_ERR(counters)) -@@ -961,6 +990,14 @@ copy_entries_to_user(unsigned int total_ - ret = -EFAULT; - goto free_counters; - } -+ -+ flags = e->ip.flags & IPT_F_MASK; -+ if (copy_to_user(userptr + off -+ + offsetof(struct ipt_entry, ip.flags), -+ &flags, sizeof(flags)) != 0) { -+ ret = -EFAULT; -+ goto free_counters; -+ } - - for (i = sizeof(struct ipt_entry); - i < e->target_offset; -- cgit v1.2.3