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netfilter: change Ebtables function signatures to match Xtables's 

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jan Engelhardt 2008-10-08 11:35:15 +02:00 committed by Patrick McHardy
parent 815377fe34
commit 2d06d4a5cc
20 changed files with 224 additions and 173 deletions
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43
include/linux/netfilter_bridge/ebtables.h
View File

@ -31,6 +31,9 @@
* The 4 lsb are more than enough to store the verdict. */
#define EBT_VERDICT_BITS 0x0000000F
struct xt_match;
struct xt_target;
struct ebt_counter
{
uint64_t pcnt;
@ -208,11 +211,13 @@ struct ebt_match
struct list_head list;
const char name[EBT_FUNCTION_MAXNAMELEN];
bool (*match)(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const void *matchdata,
unsigned int datalen);
bool (*check)(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *matchdata, unsigned int datalen);
void (*destroy)(void *matchdata, unsigned int datalen);
const struct net_device *out, const struct xt_match *match,
const void *matchinfo, int offset, unsigned int protoff,
bool *hotdrop);
bool (*checkentry)(const char *table, const void *entry,
const struct xt_match *match, void *matchinfo,
unsigned int hook_mask);
void (*destroy)(const struct xt_match *match, void *matchinfo);
unsigned int matchsize;
u_int8_t revision;
u_int8_t family;
@ -223,12 +228,14 @@ struct ebt_watcher
{
struct list_head list;
const char name[EBT_FUNCTION_MAXNAMELEN];
unsigned int (*watcher)(const struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *watcherdata, unsigned int datalen);
bool (*check)(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *watcherdata, unsigned int datalen);
void (*destroy)(void *watcherdata, unsigned int datalen);
unsigned int (*target)(struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
unsigned int hook_num, const struct xt_target *target,
const void *targinfo);
bool (*checkentry)(const char *table, const void *entry,
const struct xt_target *target, void *targinfo,
unsigned int hook_mask);
void (*destroy)(const struct xt_target *target, void *targinfo);
unsigned int targetsize;
u_int8_t revision;
u_int8_t family;
@ -240,12 +247,14 @@ struct ebt_target
struct list_head list;
const char name[EBT_FUNCTION_MAXNAMELEN];
/* returns one of the standard EBT_* verdicts */
unsigned int (*target)(struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *targetdata, unsigned int datalen);
bool (*check)(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *targetdata, unsigned int datalen);
void (*destroy)(void *targetdata, unsigned int datalen);
unsigned int (*target)(struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
unsigned int hook_num, const struct xt_target *target,
const void *targinfo);
bool (*checkentry)(const char *table, const void *entry,
const struct xt_target *target, void *targinfo,
unsigned int hook_mask);
void (*destroy)(const struct xt_target *target, void *targinfo);
unsigned int targetsize;
u_int8_t revision;
u_int8_t family;

18
net/bridge/netfilter/ebt_802_3.c
View File

@ -12,9 +12,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_802_3.h>
static bool ebt_filter_802_3(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data, unsigned int datalen)
static bool
ebt_802_3_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_802_3_info *info = data;
const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);
@ -37,9 +38,10 @@ static bool ebt_filter_802_3(const struct sk_buff *skb,
return true;
}
static struct ebt_match filter_802_3;
static bool ebt_802_3_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_802_3_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_802_3_info *info = data;
@ -53,8 +55,8 @@ static struct ebt_match filter_802_3 __read_mostly = {
.name = EBT_802_3_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_802_3,
.check = ebt_802_3_check,
.match = ebt_802_3_mt,
.checkentry = ebt_802_3_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_802_3_info)),
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_among.c
View File

@ -127,10 +127,10 @@ static int get_ip_src(const struct sk_buff *skb, __be32 *addr)
return 0;
}
static bool ebt_filter_among(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data,
unsigned int datalen)
static bool
ebt_among_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_among_info *info = data;
const char *dmac, *smac;
@ -174,9 +174,9 @@ static bool ebt_filter_among(const struct sk_buff *skb,
}
static bool
ebt_among_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data,
unsigned int datalen)
ebt_among_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_entry_match *em =
container_of(data, const struct ebt_entry_match, data);
@ -215,8 +215,8 @@ static struct ebt_match filter_among __read_mostly = {
.name = EBT_AMONG_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_among,
.check = ebt_among_check,
.match = ebt_among_mt,
.checkentry = ebt_among_mt_check,
.matchsize = -1, /* special case */
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_arp.c
View File

@ -15,9 +15,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_arp.h>
static bool ebt_filter_arp(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data, unsigned int datalen)
static bool
ebt_arp_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_arp_info *info = data;
const struct arphdr *ah;
@ -101,10 +102,13 @@ static bool ebt_filter_arp(const struct sk_buff *skb,
return true;
}
static bool ebt_arp_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_arp_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_arp_info *info = data;
const struct ebt_entry *e = entry;
if ((e->ethproto != htons(ETH_P_ARP) &&
e->ethproto != htons(ETH_P_RARP)) ||
@ -119,8 +123,8 @@ static struct ebt_match filter_arp __read_mostly = {
.name = EBT_ARP_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_arp,
.check = ebt_arp_check,
.match = ebt_arp_mt,
.checkentry = ebt_arp_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_arp_info)),
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_arpreply.c
View File

@ -15,9 +15,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_arpreply.h>
static unsigned int ebt_target_reply(struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_arpreply_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hook_nr,
const struct xt_target *target, const void *data)
{
struct ebt_arpreply_info *info = (void *)data;
const __be32 *siptr, *diptr;
@ -58,10 +59,13 @@ static unsigned int ebt_target_reply(struct sk_buff *skb, unsigned int hooknr,
return info->target;
}
static bool ebt_target_reply_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_arpreply_tg_check(const char *tablename, const void *entry,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
const struct ebt_arpreply_info *info = data;
const struct ebt_entry *e = entry;
if (BASE_CHAIN && info->target == EBT_RETURN)
return false;
@ -78,8 +82,8 @@ static struct ebt_target reply_target __read_mostly = {
.name = EBT_ARPREPLY_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_target_reply,
.check = ebt_target_reply_check,
.target = ebt_arpreply_tg,
.checkentry = ebt_arpreply_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_arpreply_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_dnat.c
View File

@ -14,9 +14,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_nat.h>
static unsigned int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_dnat_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hook_nr,
const struct xt_target *target, const void *data)
{
const struct ebt_nat_info *info = data;
@ -27,8 +28,10 @@ static unsigned int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
return info->target;
}
static bool ebt_target_dnat_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_dnat_tg_check(const char *tablename, const void *entry,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
const struct ebt_nat_info *info = data;
@ -48,8 +51,8 @@ static struct ebt_target dnat __read_mostly = {
.name = EBT_DNAT_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_target_dnat,
.check = ebt_target_dnat_check,
.target = ebt_dnat_tg,
.checkentry = ebt_dnat_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_nat_info)),
.me = THIS_MODULE,
};

19
net/bridge/netfilter/ebt_ip.c
View File

@ -24,10 +24,10 @@ struct tcpudphdr {
__be16 dst;
};
static bool ebt_filter_ip(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data,
unsigned int datalen)
static bool
ebt_ip_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_ip_info *info = data;
const struct iphdr *ih;
@ -79,10 +79,13 @@ static bool ebt_filter_ip(const struct sk_buff *skb,
return true;
}
static bool ebt_ip_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_ip_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_ip_info *info = data;
const struct ebt_entry *e = entry;
if (e->ethproto != htons(ETH_P_IP) ||
e->invflags & EBT_IPROTO)
@ -110,8 +113,8 @@ static struct ebt_match filter_ip __read_mostly = {
.name = EBT_IP_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_ip,
.check = ebt_ip_check,
.match = ebt_ip_mt,
.checkentry = ebt_ip_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_ip_info)),
.me = THIS_MODULE,
};

19
net/bridge/netfilter/ebt_ip6.c
View File

@ -27,10 +27,10 @@ struct tcpudphdr {
__be16 dst;
};
static bool ebt_filter_ip6(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data,
unsigned int datalen)
static bool
ebt_ip6_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_ip6_info *info = (struct ebt_ip6_info *)data;
const struct ipv6hdr *ih6;
@ -92,9 +92,12 @@ static bool ebt_filter_ip6(const struct sk_buff *skb,
return true;
}
static bool ebt_ip6_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_ip6_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_entry *e = entry;
struct ebt_ip6_info *info = (struct ebt_ip6_info *)data;
if (e->ethproto != htons(ETH_P_IPV6) || e->invflags & EBT_IPROTO)
@ -123,8 +126,8 @@ static struct ebt_match filter_ip6 =
.name = EBT_IP6_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_ip6,
.check = ebt_ip6_check,
.match = ebt_ip6_mt,
.checkentry = ebt_ip6_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_ip6_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_limit.c
View File

@ -30,9 +30,10 @@ static DEFINE_SPINLOCK(limit_lock);
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
static bool ebt_limit_match(const struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static bool
ebt_limit_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
struct ebt_limit_info *info = (struct ebt_limit_info *)data;
unsigned long now = jiffies;
@ -65,8 +66,10 @@ user2credits(u_int32_t user)
return (user * HZ * CREDITS_PER_JIFFY) / EBT_LIMIT_SCALE;
}
static bool ebt_limit_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_limit_mt_check(const char *table, const void *e,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
struct ebt_limit_info *info = data;
@ -90,8 +93,8 @@ static struct ebt_match ebt_limit_reg __read_mostly = {
.name = EBT_LIMIT_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_limit_match,
.check = ebt_limit_check,
.match = ebt_limit_mt,
.checkentry = ebt_limit_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_limit_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_log.c
View File

@ -24,8 +24,10 @@
static DEFINE_SPINLOCK(ebt_log_lock);
static bool ebt_log_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_log_tg_check(const char *table, const void *entry,
const struct xt_target *target, void *data,
unsigned int hook_mask)
{
struct ebt_log_info *info = data;
@ -192,9 +194,10 @@ out:
}
static unsigned int ebt_log(const struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_log_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hooknr,
const struct xt_target *target, const void *data)
{
const struct ebt_log_info *info = data;
struct nf_loginfo li;
@ -217,8 +220,8 @@ static struct ebt_watcher log =
.name = EBT_LOG_WATCHER,
.revision = 0,
.family = NFPROTO_BRIDGE,
.watcher = ebt_log,
.check = ebt_log_check,
.target = ebt_log_tg,
.checkentry = ebt_log_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_log_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_mark.c
View File

@ -18,9 +18,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_mark_t.h>
static unsigned int ebt_target_mark(struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_mark_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hook_nr,
const struct xt_target *target, const void *data)
{
const struct ebt_mark_t_info *info = data;
int action = info->target & -16;
@ -37,8 +38,10 @@ static unsigned int ebt_target_mark(struct sk_buff *skb, unsigned int hooknr,
return info->target | ~EBT_VERDICT_BITS;
}
static bool ebt_target_mark_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_mark_tg_check(const char *table, const void *e,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
const struct ebt_mark_t_info *info = data;
int tmp;
@ -60,8 +63,8 @@ static struct ebt_target mark_target __read_mostly = {
.name = EBT_MARK_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_target_mark,
.check = ebt_target_mark_check,
.target = ebt_mark_tg,
.checkentry = ebt_mark_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_mark_t_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_mark_m.c
View File

@ -12,9 +12,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_mark_m.h>
static bool ebt_filter_mark(const struct sk_buff *skb,
const struct net_device *in, const struct net_device *out, const void *data,
unsigned int datalen)
static bool
ebt_mark_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_mark_m_info *info = data;
@ -23,8 +24,10 @@ static bool ebt_filter_mark(const struct sk_buff *skb,
return ((skb->mark & info->mask) == info->mark) ^ info->invert;
}
static bool ebt_mark_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_mark_mt_check(const char *table, const void *e,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_mark_m_info *info = data;
@ -41,8 +44,8 @@ static struct ebt_match filter_mark __read_mostly = {
.name = EBT_MARK_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_mark,
.check = ebt_mark_check,
.match = ebt_mark_mt,
.checkentry = ebt_mark_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_mark_m_info)),
.me = THIS_MODULE,
};

21
net/bridge/netfilter/ebt_nflog.c
View File

@ -19,11 +19,10 @@
#include <linux/netfilter_bridge/ebt_nflog.h>
#include <net/netfilter/nf_log.h>
static unsigned int ebt_nflog(const struct sk_buff *skb,
unsigned int hooknr,
const struct net_device *in,
const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_nflog_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hooknr,
const struct xt_target *target, const void *data)
{
struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
struct nf_loginfo li;
@ -37,10 +36,10 @@ static unsigned int ebt_nflog(const struct sk_buff *skb,
return EBT_CONTINUE;
}
static bool ebt_nflog_check(const char *tablename,
unsigned int hookmask,
const struct ebt_entry *e,
void *data, unsigned int datalen)
static bool
ebt_nflog_tg_check(const char *table, const void *e,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
@ -54,8 +53,8 @@ static struct ebt_watcher nflog __read_mostly = {
.name = EBT_NFLOG_WATCHER,
.revision = 0,
.family = NFPROTO_BRIDGE,
.watcher = ebt_nflog,
.check = ebt_nflog_check,
.target = ebt_nflog_tg,
.checkentry = ebt_nflog_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_nflog_info)),
.me = THIS_MODULE,
};

20
net/bridge/netfilter/ebt_pkttype.c
View File

@ -12,19 +12,21 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_pkttype.h>
static bool ebt_filter_pkttype(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const void *data,
unsigned int datalen)
static bool
ebt_pkttype_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff,
bool *hotdrop)
{
const struct ebt_pkttype_info *info = data;
return (skb->pkt_type == info->pkt_type) ^ info->invert;
}
static bool ebt_pkttype_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_pkttype_mt_check(const char *table, const void *e,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_pkttype_info *info = data;
@ -38,8 +40,8 @@ static struct ebt_match filter_pkttype __read_mostly = {
.name = EBT_PKTTYPE_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_pkttype,
.check = ebt_pkttype_check,
.match = ebt_pkttype_mt,
.checkentry = ebt_pkttype_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_pkttype_info)),
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_redirect.c
View File

@ -15,10 +15,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_redirect.h>
static unsigned int ebt_target_redirect(struct sk_buff *skb,
unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_redirect_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hooknr,
const struct xt_target *target, const void *data)
{
const struct ebt_redirect_info *info = data;
@ -34,8 +34,10 @@ static unsigned int ebt_target_redirect(struct sk_buff *skb,
return info->target;
}
static bool ebt_target_redirect_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_redirect_tg_check(const char *tablename, const void *e,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
const struct ebt_redirect_info *info = data;
@ -54,8 +56,8 @@ static struct ebt_target redirect_target __read_mostly = {
.name = EBT_REDIRECT_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_target_redirect,
.check = ebt_target_redirect_check,
.target = ebt_redirect_tg,
.checkentry = ebt_redirect_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_redirect_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_snat.c
View File

@ -16,9 +16,10 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_nat.h>
static unsigned int ebt_target_snat(struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_snat_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hook_nr,
const struct xt_target *target, const void *data)
{
const struct ebt_nat_info *info = data;
@ -43,8 +44,10 @@ out:
return info->target | ~EBT_VERDICT_BITS;
}
static bool ebt_target_snat_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_snat_tg_check(const char *tablename, const void *e,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
const struct ebt_nat_info *info = data;
int tmp;
@ -70,8 +73,8 @@ static struct ebt_target snat __read_mostly = {
.name = EBT_SNAT_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_target_snat,
.check = ebt_target_snat_check,
.target = ebt_snat_tg,
.checkentry = ebt_snat_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_nat_info)),
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_stp.c
View File

@ -119,9 +119,10 @@ static bool ebt_filter_config(const struct ebt_stp_info *info,
return true;
}
static bool ebt_filter_stp(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out, const void *data, unsigned int datalen)
static bool
ebt_stp_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_stp_info *info = data;
const struct stp_header *sp;
@ -154,12 +155,15 @@ static bool ebt_filter_stp(const struct sk_buff *skb,
return true;
}
static bool ebt_stp_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_stp_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
const struct ebt_stp_info *info = data;
const uint8_t bridge_ula[6] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x00};
const uint8_t msk[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
const struct ebt_entry *e = entry;
if (info->bitmask & ~EBT_STP_MASK || info->invflags & ~EBT_STP_MASK ||
!(info->bitmask & EBT_STP_MASK))
@ -176,8 +180,8 @@ static struct ebt_match filter_stp __read_mostly = {
.name = EBT_STP_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_stp,
.check = ebt_stp_check,
.match = ebt_stp_mt,
.checkentry = ebt_stp_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_stp_info)),
.me = THIS_MODULE,
};

17
net/bridge/netfilter/ebt_ulog.c
View File

@ -246,9 +246,10 @@ static void ebt_log_packet(u_int8_t pf, unsigned int hooknum,
ebt_ulog_packet(hooknum, skb, in, out, &loginfo, prefix);
}
static unsigned int ebt_ulog(const struct sk_buff *skb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
static unsigned int
ebt_ulog_tg(struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, unsigned int hooknr,
const struct xt_target *target, const void *data)
{
const struct ebt_ulog_info *uloginfo = data;
@ -256,8 +257,10 @@ static unsigned int ebt_ulog(const struct sk_buff *skb, unsigned int hooknr,
return EBT_CONTINUE;
}
static bool ebt_ulog_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
static bool
ebt_ulog_tg_check(const char *table, const void *entry,
const struct xt_target *target, void *data,
unsigned int hookmask)
{
struct ebt_ulog_info *uloginfo = data;
@ -276,8 +279,8 @@ static struct ebt_watcher ulog __read_mostly = {
.name = EBT_ULOG_WATCHER,
.revision = 0,
.family = NFPROTO_BRIDGE,
.watcher = ebt_ulog,
.check = ebt_ulog_check,
.target = ebt_ulog_tg,
.checkentry = ebt_ulog_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_ulog_info)),
.me = THIS_MODULE,
};

18
net/bridge/netfilter/ebt_vlan.c
View File

@ -41,10 +41,9 @@ MODULE_LICENSE("GPL");
#define EXIT_ON_MISMATCH(_MATCH_,_MASK_) {if (!((info->_MATCH_ == _MATCH_)^!!(info->invflags & _MASK_))) return false; }
static bool
ebt_filter_vlan(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const void *data, unsigned int datalen)
ebt_vlan_mt(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct xt_match *match,
const void *data, int offset, unsigned int protoff, bool *hotdrop)
{
const struct ebt_vlan_info *info = data;
const struct vlan_hdr *fp;
@ -88,11 +87,12 @@ ebt_filter_vlan(const struct sk_buff *skb,
}
static bool
ebt_check_vlan(const char *tablename,
unsigned int hooknr,
const struct ebt_entry *e, void *data, unsigned int datalen)
ebt_vlan_mt_check(const char *table, const void *entry,
const struct xt_match *match, void *data,
unsigned int hook_mask)
{
struct ebt_vlan_info *info = data;
const struct ebt_entry *e = entry;
/* Is it 802.1Q frame checked? */
if (e->ethproto != htons(ETH_P_8021Q)) {
@ -166,8 +166,8 @@ static struct ebt_match filter_vlan __read_mostly = {
.name = EBT_VLAN_MATCH,
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_filter_vlan,
.check = ebt_check_vlan,
.match = ebt_vlan_mt,
.checkentry = ebt_vlan_mt_check,
.matchsize = XT_ALIGN(sizeof(struct ebt_vlan_info)),
.me = THIS_MODULE,
};

30
net/bridge/netfilter/ebtables.c
View File

@ -67,11 +67,10 @@ static struct ebt_target ebt_standard_target = {
};
static inline int ebt_do_watcher (struct ebt_entry_watcher *w,
const struct sk_buff *skb, unsigned int hooknr, const struct net_device *in,
struct sk_buff *skb, unsigned int hooknr, const struct net_device *in,
const struct net_device *out)
{
w->u.watcher->watcher(skb, hooknr, in, out, w->data,
w->watcher_size);
w->u.watcher->target(skb, in, out, hooknr, NULL, w->data);
/* watchers don't give a verdict */
return 0;
}
@ -80,8 +79,7 @@ static inline int ebt_do_match (struct ebt_entry_match *m,
const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out)
{
return m->u.match->match(skb, in, out, m->data,
m->match_size);
return m->u.match->match(skb, in, out, NULL, m->data, 0, 0, NULL);
}
static inline int ebt_dev_check(char *entry, const struct net_device *device)
@ -195,8 +193,8 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
if (!t->u.target->target)
verdict = ((struct ebt_standard_target *)t)->verdict;
else
verdict = t->u.target->target(skb, hook,
in, out, t->data, t->target_size);
verdict = t->u.target->target(skb, in, out, hook,
NULL, t->data);
if (verdict == EBT_ACCEPT) {
read_unlock_bh(&table->lock);
return NF_ACCEPT;
@ -376,8 +374,8 @@ ebt_check_match(struct ebt_entry_match *m, struct ebt_entry *e,
match->name, XT_ALIGN(match->matchsize), m->match_size);
goto out;
}
if (match->check &&
!match->check(name, hookmask, e, m->data, m->match_size)) {
if (match->checkentry &&
!match->checkentry(name, e, NULL, m->data, hookmask)) {
BUGPRINT("match->check failed\n");
goto out;
}
@ -426,8 +424,8 @@ ebt_check_watcher(struct ebt_entry_watcher *w, struct ebt_entry *e,
w->watcher_size);
goto out;
}
if (watcher->check &&
!watcher->check(name, hookmask, e, w->data, w->watcher_size)) {
if (watcher->checkentry &&
!watcher->checkentry(name, e, NULL, w->data, hookmask)) {
BUGPRINT("watcher->check failed\n");
goto out;
}
@ -609,7 +607,7 @@ ebt_cleanup_match(struct ebt_entry_match *m, unsigned int *i)
if (i && (*i)-- == 0)
return 1;
if (m->u.match->destroy)
m->u.match->destroy(m->data, m->match_size);
m->u.match->destroy(NULL, m->data);
module_put(m->u.match->me);
return 0;
@ -621,7 +619,7 @@ ebt_cleanup_watcher(struct ebt_entry_watcher *w, unsigned int *i)
if (i && (*i)-- == 0)
return 1;
if (w->u.watcher->destroy)
w->u.watcher->destroy(w->data, w->watcher_size);
w->u.watcher->destroy(NULL, w->data);
module_put(w->u.watcher->me);
return 0;
@ -641,7 +639,7 @@ ebt_cleanup_entry(struct ebt_entry *e, unsigned int *cnt)
EBT_MATCH_ITERATE(e, ebt_cleanup_match, NULL);
t = (struct ebt_entry_target *)(((char *)e) + e->target_offset);
if (t->u.target->destroy)
t->u.target->destroy(t->data, t->target_size);
t->u.target->destroy(NULL, t->data);
module_put(t->u.target->me);
return 0;
@ -755,8 +753,8 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
module_put(t->u.target->me);
ret = -EINVAL;
goto cleanup_watchers;
} else if (t->u.target->check &&
!t->u.target->check(name, hookmask, e, t->data, t->target_size)) {
} else if (t->u.target->checkentry &&
!t->u.target->checkentry(name, e, NULL, t->data, hookmask)) {
module_put(t->u.target->me);
ret = -EFAULT;
goto cleanup_watchers;