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authorJan Engelhardt <jengelh@medozas.de>2008-10-08 11:35:18 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:18 +0200
commit9b4fce7a3508a9776534188b6065b206a9608ccf (patch)
tree7df90f099a72738900deb93124ad86724a2df207 /net/bridge
parentf7108a20dee44e5bb037f9e48f6a207b42e6ae1c (diff)
downloadop-kernel-dev-9b4fce7a3508a9776534188b6065b206a9608ccf.zip
op-kernel-dev-9b4fce7a3508a9776534188b6065b206a9608ccf.tar.gz
netfilter: xtables: move extension arguments into compound structure (2/6)
This patch does this for match extensions' checkentry functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/ebt_802_3.c7
-rw-r--r--net/bridge/netfilter/ebt_among.c9
-rw-r--r--net/bridge/netfilter/ebt_arp.c9
-rw-r--r--net/bridge/netfilter/ebt_ip.c9
-rw-r--r--net/bridge/netfilter/ebt_ip6.c9
-rw-r--r--net/bridge/netfilter/ebt_limit.c7
-rw-r--r--net/bridge/netfilter/ebt_mark_m.c7
-rw-r--r--net/bridge/netfilter/ebt_pkttype.c7
-rw-r--r--net/bridge/netfilter/ebt_stp.c9
-rw-r--r--net/bridge/netfilter/ebt_vlan.c9
-rw-r--r--net/bridge/netfilter/ebtables.c19
11 files changed, 39 insertions, 62 deletions
diff --git a/net/bridge/netfilter/ebt_802_3.c b/net/bridge/netfilter/ebt_802_3.c
index c9e1bc1..bd91dc5 100644
--- a/net/bridge/netfilter/ebt_802_3.c
+++ b/net/bridge/netfilter/ebt_802_3.c
@@ -36,12 +36,9 @@ ebt_802_3_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_802_3_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_802_3_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_802_3_info *info = data;
+ const struct ebt_802_3_info *info = par->matchinfo;
if (info->bitmask & ~EBT_802_3_MASK || info->invflags & ~EBT_802_3_MASK)
return false;
diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index 0ad0db3..b595f09 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -171,14 +171,11 @@ ebt_among_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_among_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_among_mt_check(const struct xt_mtchk_param *par)
{
+ const struct ebt_among_info *info = par->matchinfo;
const struct ebt_entry_match *em =
- container_of(data, const struct ebt_entry_match, data);
- const struct ebt_among_info *info = data;
+ container_of(par->matchinfo, const struct ebt_entry_match, data);
int expected_length = sizeof(struct ebt_among_info);
const struct ebt_mac_wormhash *wh_dst, *wh_src;
int err;
diff --git a/net/bridge/netfilter/ebt_arp.c b/net/bridge/netfilter/ebt_arp.c
index 1ff8fa3..b7ad604 100644
--- a/net/bridge/netfilter/ebt_arp.c
+++ b/net/bridge/netfilter/ebt_arp.c
@@ -100,13 +100,10 @@ ebt_arp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_arp_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_arp_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_arp_info *info = data;
- const struct ebt_entry *e = entry;
+ const struct ebt_arp_info *info = par->matchinfo;
+ const struct ebt_entry *e = par->entryinfo;
if ((e->ethproto != htons(ETH_P_ARP) &&
e->ethproto != htons(ETH_P_RARP)) ||
diff --git a/net/bridge/netfilter/ebt_ip.c b/net/bridge/netfilter/ebt_ip.c
index c70ea39..d771bbf 100644
--- a/net/bridge/netfilter/ebt_ip.c
+++ b/net/bridge/netfilter/ebt_ip.c
@@ -77,13 +77,10 @@ ebt_ip_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_ip_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_ip_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_ip_info *info = data;
- const struct ebt_entry *e = entry;
+ const struct ebt_ip_info *info = par->matchinfo;
+ const struct ebt_entry *e = par->entryinfo;
if (e->ethproto != htons(ETH_P_IP) ||
e->invflags & EBT_IPROTO)
diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c
index 5acee02..784a657 100644
--- a/net/bridge/netfilter/ebt_ip6.c
+++ b/net/bridge/netfilter/ebt_ip6.c
@@ -90,13 +90,10 @@ ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_ip6_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_ip6_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_entry *e = entry;
- struct ebt_ip6_info *info = data;
+ const struct ebt_entry *e = par->entryinfo;
+ struct ebt_ip6_info *info = par->matchinfo;
if (e->ethproto != htons(ETH_P_IPV6) || e->invflags & EBT_IPROTO)
return false;
diff --git a/net/bridge/netfilter/ebt_limit.c b/net/bridge/netfilter/ebt_limit.c
index 9a3ec8c..f7bd919 100644
--- a/net/bridge/netfilter/ebt_limit.c
+++ b/net/bridge/netfilter/ebt_limit.c
@@ -64,12 +64,9 @@ user2credits(u_int32_t user)
return (user * HZ * CREDITS_PER_JIFFY) / EBT_LIMIT_SCALE;
}
-static bool
-ebt_limit_mt_check(const char *table, const void *e,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_limit_mt_check(const struct xt_mtchk_param *par)
{
- struct ebt_limit_info *info = data;
+ struct ebt_limit_info *info = par->matchinfo;
/* Check for overflow. */
if (info->burst == 0 ||
diff --git a/net/bridge/netfilter/ebt_mark_m.c b/net/bridge/netfilter/ebt_mark_m.c
index 5b22ef9..ea570f2 100644
--- a/net/bridge/netfilter/ebt_mark_m.c
+++ b/net/bridge/netfilter/ebt_mark_m.c
@@ -22,12 +22,9 @@ ebt_mark_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return ((skb->mark & info->mask) == info->mark) ^ info->invert;
}
-static bool
-ebt_mark_mt_check(const char *table, const void *e,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_mark_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_mark_m_info *info = data;
+ const struct ebt_mark_m_info *info = par->matchinfo;
if (info->bitmask & ~EBT_MARK_MASK)
return false;
diff --git a/net/bridge/netfilter/ebt_pkttype.c b/net/bridge/netfilter/ebt_pkttype.c
index b756f88..883e96e 100644
--- a/net/bridge/netfilter/ebt_pkttype.c
+++ b/net/bridge/netfilter/ebt_pkttype.c
@@ -20,12 +20,9 @@ ebt_pkttype_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return (skb->pkt_type == info->pkt_type) ^ info->invert;
}
-static bool
-ebt_pkttype_mt_check(const char *table, const void *e,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_pkttype_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_pkttype_info *info = data;
+ const struct ebt_pkttype_info *info = par->matchinfo;
if (info->invert != 0 && info->invert != 1)
return false;
diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c
index 06d777c..48527e6 100644
--- a/net/bridge/netfilter/ebt_stp.c
+++ b/net/bridge/netfilter/ebt_stp.c
@@ -153,15 +153,12 @@ ebt_stp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_stp_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_stp_mt_check(const struct xt_mtchk_param *par)
{
- const struct ebt_stp_info *info = data;
+ const struct ebt_stp_info *info = par->matchinfo;
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;
+ const struct ebt_entry *e = par->entryinfo;
if (info->bitmask & ~EBT_STP_MASK || info->invflags & ~EBT_STP_MASK ||
!(info->bitmask & EBT_STP_MASK))
diff --git a/net/bridge/netfilter/ebt_vlan.c b/net/bridge/netfilter/ebt_vlan.c
index b05b4a8..3dddd48 100644
--- a/net/bridge/netfilter/ebt_vlan.c
+++ b/net/bridge/netfilter/ebt_vlan.c
@@ -84,13 +84,10 @@ ebt_vlan_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return true;
}
-static bool
-ebt_vlan_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static bool ebt_vlan_mt_check(const struct xt_mtchk_param *par)
{
- struct ebt_vlan_info *info = data;
- const struct ebt_entry *e = entry;
+ struct ebt_vlan_info *info = par->matchinfo;
+ const struct ebt_entry *e = par->entryinfo;
/* Is it 802.1Q frame checked? */
if (e->ethproto != htons(ETH_P_8021Q)) {
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index f8e1822..5ce37b2 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -324,9 +324,10 @@ find_table_lock(const char *name, int *error, struct mutex *mutex)
}
static inline int
-ebt_check_match(struct ebt_entry_match *m, struct ebt_entry *e,
- const char *name, unsigned int hookmask, unsigned int *cnt)
+ebt_check_match(struct ebt_entry_match *m, struct xt_mtchk_param *par,
+ unsigned int *cnt)
{
+ const struct ebt_entry *e = par->entryinfo;
struct xt_match *match;
size_t left = ((char *)e + e->watchers_offset) - (char *)m;
int ret;
@@ -343,9 +344,10 @@ ebt_check_match(struct ebt_entry_match *m, struct ebt_entry *e,
return -ENOENT;
m->u.match = match;
- ret = xt_check_match(match, NFPROTO_BRIDGE, m->match_size,
- name, hookmask, e->ethproto, e->invflags & EBT_IPROTO,
- e, m->data);
+ par->match = match;
+ par->matchinfo = m->data;
+ ret = xt_check_match(par, NFPROTO_BRIDGE, m->match_size,
+ e->ethproto, e->invflags & EBT_IPROTO);
if (ret < 0) {
module_put(match->me);
return ret;
@@ -607,6 +609,7 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
unsigned int i, j, hook = 0, hookmask = 0;
size_t gap;
int ret;
+ struct xt_mtchk_param par;
/* don't mess with the struct ebt_entries */
if (e->bitmask == 0)
@@ -647,7 +650,11 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
hookmask = cl_s[i - 1].hookmask;
}
i = 0;
- ret = EBT_MATCH_ITERATE(e, ebt_check_match, e, name, hookmask, &i);
+
+ par.table = name;
+ par.entryinfo = e;
+ par.hook_mask = hookmask;
+ ret = EBT_MATCH_ITERATE(e, ebt_check_match, &par, &i);
if (ret != 0)
goto cleanup_matches;
j = 0;
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