diff options
| author |   Patrick McHardy <kaber@trash.net> | 2005-08-21 23:31:43 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 16:04:18 -0700 |
| commit | 05465343bf74e00c8c2c5a310740157de3149f27 (patch) | |
| tree | 393fc1fb09668faf3968726f6e8e5039109224a9 | |
| parent | [NETFILTER]: Add IPv6 REJECT target (diff) | |
| download | wireguard-linux-05465343bf74e00c8c2c5a310740157de3149f27.tar.xz wireguard-linux-05465343bf74e00c8c2c5a310740157de3149f27.zip | |
[NETFILTER]: Add goto target
Originally written by Henrik Nordstrom <hno@marasystems.com>, taken
from netfilter patch-o-matic and added ip6_tables support.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netfilter_ipv4/ip_tables.h | 3 | ||||
| -rw-r--r-- | include/linux/netfilter_ipv6/ip6_tables.h | 3 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ip_tables.c | 4 | ||||
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 4 |
4 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h index 12ce47808e7d..d19d65cf4530 100644 --- a/include/linux/netfilter_ipv4/ip_tables.h +++ b/include/linux/netfilter_ipv4/ip_tables.h @@ -109,7 +109,8 @@ struct ipt_counters /* Values for "flag" field in struct ipt_ip (general ip structure). */ #define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */ -#define IPT_F_MASK 0x01 /* All possible flag bits mask. */ +#define IPT_F_GOTO 0x02 /* Set if jump is a goto */ +#define IPT_F_MASK 0x03 /* All possible flag bits mask. */ /* Values for "inv" field in struct ipt_ip. */ #define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h index f1ce3b009853..58c72a52dc65 100644 --- a/include/linux/netfilter_ipv6/ip6_tables.h +++ b/include/linux/netfilter_ipv6/ip6_tables.h @@ -111,7 +111,8 @@ struct ip6t_counters #define IP6T_F_PROTO 0x01 /* Set if rule cares about upper protocols */ #define IP6T_F_TOS 0x02 /* Match the TOS. */ -#define IP6T_F_MASK 0x03 /* All possible flag bits mask. */ +#define IP6T_F_GOTO 0x04 /* Set if jump is a goto */ +#define IP6T_F_MASK 0x07 /* All possible flag bits mask. */ /* Values for "inv" field in struct ip6t_ip6. */ #define IP6T_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index ff8d85d2070d..eef99a1b5de6 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -340,8 +340,8 @@ ipt_do_table(struct sk_buff **pskb, back->comefrom); continue; } - if (table_base + v - != (void *)e + e->next_offset) { + if (table_base + v != (void *)e + e->next_offset + && !(e->ip.flags & IPT_F_GOTO)) { /* Save old back ptr in next entry */ struct ipt_entry *next = (void *)e + e->next_offset; diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 41a67cf6e33a..1cb8adb2787f 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -433,8 +433,8 @@ ip6t_do_table(struct sk_buff **pskb, back->comefrom); continue; } - if (table_base + v - != (void *)e + e->next_offset) { + if (table_base + v != (void *)e + e->next_offset + && !(e->ipv6.flags & IP6T_F_GOTO)) { /* Save old back ptr in next entry */ struct ip6t_entry *next = (void *)e + e->next_offset; |