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Merge branch 'master' of git://dev.medozas.de/linux

This commit is contained in:
Patrick McHardy 2010-05-11 18:59:21 +02:00
parent d250fe91ae 4538506be3
commit cba7a98a47
98 changed files with 316 additions and 367 deletions
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45
include/linux/netfilter/x_tables.h
View File

@ -183,29 +183,39 @@ struct xt_counters_info {
#include <linux/netdevice.h> #include <linux/netdevice.h>
/** /**
* struct xt_match_param - parameters for match extensions' match functions * struct xt_action_param - parameters for matches/targets
* *
* @match: the match extension
* @target: the target extension
* @matchinfo: per-match data
* @targetinfo: per-target data
* @in: input netdevice * @in: input netdevice
* @out: output netdevice * @out: output netdevice
* @match: struct xt_match through which this function was invoked
* @matchinfo: per-match data
* @fragoff: packet is a fragment, this is the data offset * @fragoff: packet is a fragment, this is the data offset
* @thoff: position of transport header relative to skb->data * @thoff: position of transport header relative to skb->data
* @hook: hook number given packet came from * @hook: hook number given packet came from
* @family: Actual NFPROTO_* through which the function is invoked * @family: Actual NFPROTO_* through which the function is invoked
* (helpful when match->family == NFPROTO_UNSPEC) * (helpful when match->family == NFPROTO_UNSPEC)
*
* Fields written to by extensions:
*
* @hotdrop: drop packet if we had inspection problems * @hotdrop: drop packet if we had inspection problems
* Network namespace obtainable using dev_net(in/out) * Network namespace obtainable using dev_net(in/out)
*/ */
struct xt_match_param { struct xt_action_param {
const struct net_device *in, *out; union {
const struct xt_match *match; const struct xt_match *match;
const void *matchinfo; const struct xt_target *target;
};
union {
const void *matchinfo, *targinfo;
};
const struct net_device *in, *out;
int fragoff; int fragoff;
unsigned int thoff; unsigned int thoff;
unsigned int hooknum; unsigned int hooknum;
u_int8_t family; u_int8_t family;
bool *hotdrop; bool hotdrop;
}; };
/** /**
@ -242,23 +252,6 @@ struct xt_mtdtor_param {
u_int8_t family; u_int8_t family;
}; };
/**
* struct xt_target_param - parameters for target extensions' target functions
*
* @hooknum: hook through which this target was invoked
* @target: struct xt_target through which this function was invoked
* @targinfo: per-target data
*
* Other fields see above.
*/
struct xt_target_param {
const struct net_device *in, *out;
const struct xt_target *target;
const void *targinfo;
unsigned int hooknum;
u_int8_t family;
};
/** /**
* struct xt_tgchk_param - parameters for target extensions' * struct xt_tgchk_param - parameters for target extensions'
* checkentry functions * checkentry functions
@ -298,7 +291,7 @@ struct xt_match {
non-linear skb, using skb_header_pointer and non-linear skb, using skb_header_pointer and
skb_ip_make_writable. */ skb_ip_make_writable. */
bool (*match)(const struct sk_buff *skb, bool (*match)(const struct sk_buff *skb,
const struct xt_match_param *); struct xt_action_param *);
/* Called when user tries to insert an entry of this type. */ /* Called when user tries to insert an entry of this type. */
int (*checkentry)(const struct xt_mtchk_param *); int (*checkentry)(const struct xt_mtchk_param *);
@ -335,7 +328,7 @@ struct xt_target {
must now handle non-linear skbs, using skb_copy_bits and must now handle non-linear skbs, using skb_copy_bits and
skb_ip_make_writable. */ skb_ip_make_writable. */
unsigned int (*target)(struct sk_buff *skb, unsigned int (*target)(struct sk_buff *skb,
const struct xt_target_param *); const struct xt_action_param *);
/* Called when user tries to insert an entry of this type: /* Called when user tries to insert an entry of this type:
hook_mask is a bitmask of hooks from which it can be hook_mask is a bitmask of hooks from which it can be

2
net/bridge/netfilter/ebt_802_3.c
View File

@ -13,7 +13,7 @@
#include <linux/netfilter_bridge/ebt_802_3.h> #include <linux/netfilter_bridge/ebt_802_3.h>
static bool static bool
ebt_802_3_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_802_3_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_802_3_info *info = par->matchinfo; const struct ebt_802_3_info *info = par->matchinfo;
const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb); const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);

2
net/bridge/netfilter/ebt_among.c
View File

@ -129,7 +129,7 @@ static int get_ip_src(const struct sk_buff *skb, __be32 *addr)
} }
static bool static bool
ebt_among_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_among_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_among_info *info = par->matchinfo; const struct ebt_among_info *info = par->matchinfo;
const char *dmac, *smac; const char *dmac, *smac;

2
net/bridge/netfilter/ebt_arp.c
View File

@ -16,7 +16,7 @@
#include <linux/netfilter_bridge/ebt_arp.h> #include <linux/netfilter_bridge/ebt_arp.h>
static bool static bool
ebt_arp_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_arp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_arp_info *info = par->matchinfo; const struct ebt_arp_info *info = par->matchinfo;
const struct arphdr *ah; const struct arphdr *ah;

2
net/bridge/netfilter/ebt_arpreply.c
View File

@ -16,7 +16,7 @@
#include <linux/netfilter_bridge/ebt_arpreply.h> #include <linux/netfilter_bridge/ebt_arpreply.h>
static unsigned int static unsigned int
ebt_arpreply_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_arpreply_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_arpreply_info *info = par->targinfo; const struct ebt_arpreply_info *info = par->targinfo;
const __be32 *siptr, *diptr; const __be32 *siptr, *diptr;

2
net/bridge/netfilter/ebt_dnat.c
View File

@ -15,7 +15,7 @@
#include <linux/netfilter_bridge/ebt_nat.h> #include <linux/netfilter_bridge/ebt_nat.h>
static unsigned int static unsigned int
ebt_dnat_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_dnat_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_nat_info *info = par->targinfo; const struct ebt_nat_info *info = par->targinfo;

2
net/bridge/netfilter/ebt_ip.c
View File

@ -25,7 +25,7 @@ struct tcpudphdr {
}; };
static bool static bool
ebt_ip_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_ip_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_ip_info *info = par->matchinfo; const struct ebt_ip_info *info = par->matchinfo;
const struct iphdr *ih; const struct iphdr *ih;

2
net/bridge/netfilter/ebt_ip6.c
View File

@ -28,7 +28,7 @@ struct tcpudphdr {
}; };
static bool static bool
ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_ip6_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_ip6_info *info = par->matchinfo; const struct ebt_ip6_info *info = par->matchinfo;
const struct ipv6hdr *ih6; const struct ipv6hdr *ih6;

2
net/bridge/netfilter/ebt_limit.c
View File

@ -32,7 +32,7 @@ static DEFINE_SPINLOCK(limit_lock);
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ) #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
static bool static bool
ebt_limit_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ebt_limit_info *info = (void *)par->matchinfo; struct ebt_limit_info *info = (void *)par->matchinfo;
unsigned long now = jiffies; unsigned long now = jiffies;

2
net/bridge/netfilter/ebt_log.c
View File

@ -171,7 +171,7 @@ out:
} }
static unsigned int static unsigned int
ebt_log_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_log_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_log_info *info = par->targinfo; const struct ebt_log_info *info = par->targinfo;
struct nf_loginfo li; struct nf_loginfo li;

2
net/bridge/netfilter/ebt_mark.c
View File

@ -19,7 +19,7 @@
#include <linux/netfilter_bridge/ebt_mark_t.h> #include <linux/netfilter_bridge/ebt_mark_t.h>
static unsigned int static unsigned int
ebt_mark_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_mark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_mark_t_info *info = par->targinfo; const struct ebt_mark_t_info *info = par->targinfo;
int action = info->target & -16; int action = info->target & -16;

2
net/bridge/netfilter/ebt_mark_m.c
View File

@ -13,7 +13,7 @@
#include <linux/netfilter_bridge/ebt_mark_m.h> #include <linux/netfilter_bridge/ebt_mark_m.h>
static bool static bool
ebt_mark_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_mark_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_mark_m_info *info = par->matchinfo; const struct ebt_mark_m_info *info = par->matchinfo;

2
net/bridge/netfilter/ebt_nflog.c
View File

@ -20,7 +20,7 @@
#include <net/netfilter/nf_log.h> #include <net/netfilter/nf_log.h>
static unsigned int static unsigned int
ebt_nflog_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_nflog_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_nflog_info *info = par->targinfo; const struct ebt_nflog_info *info = par->targinfo;
struct nf_loginfo li; struct nf_loginfo li;

2
net/bridge/netfilter/ebt_pkttype.c
View File

@ -13,7 +13,7 @@
#include <linux/netfilter_bridge/ebt_pkttype.h> #include <linux/netfilter_bridge/ebt_pkttype.h>
static bool static bool
ebt_pkttype_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_pkttype_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_pkttype_info *info = par->matchinfo; const struct ebt_pkttype_info *info = par->matchinfo;

2
net/bridge/netfilter/ebt_redirect.c
View File

@ -16,7 +16,7 @@
#include <linux/netfilter_bridge/ebt_redirect.h> #include <linux/netfilter_bridge/ebt_redirect.h>
static unsigned int static unsigned int
ebt_redirect_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_redirect_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_redirect_info *info = par->targinfo; const struct ebt_redirect_info *info = par->targinfo;

2
net/bridge/netfilter/ebt_snat.c
View File

@ -17,7 +17,7 @@
#include <linux/netfilter_bridge/ebt_nat.h> #include <linux/netfilter_bridge/ebt_nat.h>
static unsigned int static unsigned int
ebt_snat_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_snat_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ebt_nat_info *info = par->targinfo; const struct ebt_nat_info *info = par->targinfo;

2
net/bridge/netfilter/ebt_stp.c
View File

@ -120,7 +120,7 @@ static bool ebt_filter_config(const struct ebt_stp_info *info,
} }
static bool static bool
ebt_stp_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_stp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_stp_info *info = par->matchinfo; const struct ebt_stp_info *info = par->matchinfo;
const struct stp_header *sp; const struct stp_header *sp;

2
net/bridge/netfilter/ebt_ulog.c
View File

@ -243,7 +243,7 @@ static void ebt_log_packet(u_int8_t pf, unsigned int hooknum,
} }
static unsigned int static unsigned int
ebt_ulog_tg(struct sk_buff *skb, const struct xt_target_param *par) ebt_ulog_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
ebt_ulog_packet(par->hooknum, skb, par->in, par->out, ebt_ulog_packet(par->hooknum, skb, par->in, par->out,
par->targinfo, NULL); par->targinfo, NULL);

2
net/bridge/netfilter/ebt_vlan.c
View File

@ -36,7 +36,7 @@ MODULE_LICENSE("GPL");
#define EXIT_ON_MISMATCH(_MATCH_,_MASK_) {if (!((info->_MATCH_ == _MATCH_)^!!(info->invflags & _MASK_))) return false; } #define EXIT_ON_MISMATCH(_MATCH_,_MASK_) {if (!((info->_MATCH_ == _MATCH_)^!!(info->invflags & _MASK_))) return false; }
static bool static bool
ebt_vlan_mt(const struct sk_buff *skb, const struct xt_match_param *par) ebt_vlan_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ebt_vlan_info *info = par->matchinfo; const struct ebt_vlan_info *info = par->matchinfo;
const struct vlan_hdr *fp; const struct vlan_hdr *fp;

33
net/bridge/netfilter/ebtables.c
View File

@ -86,7 +86,7 @@ static struct xt_target ebt_standard_target = {
static inline int static inline int
ebt_do_watcher(const struct ebt_entry_watcher *w, struct sk_buff *skb, ebt_do_watcher(const struct ebt_entry_watcher *w, struct sk_buff *skb,
struct xt_target_param *par) struct xt_action_param *par)
{ {
par->target = w->u.watcher; par->target = w->u.watcher;
par->targinfo = w->data; par->targinfo = w->data;
@ -95,8 +95,9 @@ ebt_do_watcher(const struct ebt_entry_watcher *w, struct sk_buff *skb,
return 0; return 0;
} }
static inline int ebt_do_match (struct ebt_entry_match *m, static inline int
const struct sk_buff *skb, struct xt_match_param *par) ebt_do_match(struct ebt_entry_match *m, const struct sk_buff *skb,
struct xt_action_param *par)
{ {
par->match = m->u.match; par->match = m->u.match;
par->matchinfo = m->data; par->matchinfo = m->data;
@ -185,15 +186,13 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
struct ebt_entries *chaininfo; struct ebt_entries *chaininfo;
const char *base; const char *base;
const struct ebt_table_info *private; const struct ebt_table_info *private;
bool hotdrop = false; struct xt_action_param acpar;
struct xt_match_param mtpar;
struct xt_target_param tgpar;
mtpar.family = tgpar.family = NFPROTO_BRIDGE; acpar.family = NFPROTO_BRIDGE;
mtpar.in = tgpar.in = in; acpar.in = in;
mtpar.out = tgpar.out = out; acpar.out = out;
mtpar.hotdrop = &hotdrop; acpar.hotdrop = false;
mtpar.hooknum = tgpar.hooknum = hook; acpar.hooknum = hook;
read_lock_bh(&table->lock); read_lock_bh(&table->lock);
private = table->private; private = table->private;
@ -214,9 +213,9 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
if (ebt_basic_match(point, eth_hdr(skb), in, out)) if (ebt_basic_match(point, eth_hdr(skb), in, out))
goto letscontinue; goto letscontinue;
if (EBT_MATCH_ITERATE(point, ebt_do_match, skb, &mtpar) != 0) if (EBT_MATCH_ITERATE(point, ebt_do_match, skb, &acpar) != 0)
goto letscontinue; goto letscontinue;
if (hotdrop) { if (acpar.hotdrop) {
read_unlock_bh(&table->lock); read_unlock_bh(&table->lock);
return NF_DROP; return NF_DROP;
} }
@ -227,7 +226,7 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
/* these should only watch: not modify, nor tell us /* these should only watch: not modify, nor tell us
what to do with the packet */ what to do with the packet */
EBT_WATCHER_ITERATE(point, ebt_do_watcher, skb, &tgpar); EBT_WATCHER_ITERATE(point, ebt_do_watcher, skb, &acpar);
t = (struct ebt_entry_target *) t = (struct ebt_entry_target *)
(((char *)point) + point->target_offset); (((char *)point) + point->target_offset);
@ -235,9 +234,9 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
if (!t->u.target->target) if (!t->u.target->target)
verdict = ((struct ebt_standard_target *)t)->verdict; verdict = ((struct ebt_standard_target *)t)->verdict;
else { else {
tgpar.target = t->u.target; acpar.target = t->u.target;
tgpar.targinfo = t->data; acpar.targinfo = t->data;
verdict = t->u.target->target(skb, &tgpar); verdict = t->u.target->target(skb, &acpar);
} }
if (verdict == EBT_ACCEPT) { if (verdict == EBT_ACCEPT) {
read_unlock_bh(&table->lock); read_unlock_bh(&table->lock);

45
net/ipv4/netfilter/arp_tables.c
View File

@ -224,7 +224,7 @@ static inline int arp_checkentry(const struct arpt_arp *arp)
} }
static unsigned int static unsigned int
arpt_error(struct sk_buff *skb, const struct xt_target_param *par) arpt_error(struct sk_buff *skb, const struct xt_action_param *par)
{ {
if (net_ratelimit()) if (net_ratelimit())
printk("arp_tables: error: '%s'\n", printk("arp_tables: error: '%s'\n",
@ -260,12 +260,11 @@ unsigned int arpt_do_table(struct sk_buff *skb,
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
unsigned int verdict = NF_DROP; unsigned int verdict = NF_DROP;
const struct arphdr *arp; const struct arphdr *arp;
bool hotdrop = false;
struct arpt_entry *e, *back; struct arpt_entry *e, *back;
const char *indev, *outdev; const char *indev, *outdev;
void *table_base; void *table_base;
const struct xt_table_info *private; const struct xt_table_info *private;
struct xt_target_param tgpar; struct xt_action_param acpar;
if (!pskb_may_pull(skb, arp_hdr_len(skb->dev))) if (!pskb_may_pull(skb, arp_hdr_len(skb->dev)))
return NF_DROP; return NF_DROP;
@ -280,10 +279,11 @@ unsigned int arpt_do_table(struct sk_buff *skb,
e = get_entry(table_base, private->hook_entry[hook]); e = get_entry(table_base, private->hook_entry[hook]);
back = get_entry(table_base, private->underflow[hook]); back = get_entry(table_base, private->underflow[hook]);
tgpar.in = in; acpar.in = in;
tgpar.out = out; acpar.out = out;
tgpar.hooknum = hook; acpar.hooknum = hook;
tgpar.family = NFPROTO_ARP; acpar.family = NFPROTO_ARP;
acpar.hotdrop = false;
arp = arp_hdr(skb); arp = arp_hdr(skb);
do { do {
@ -333,9 +333,9 @@ unsigned int arpt_do_table(struct sk_buff *skb,
/* Targets which reenter must return /* Targets which reenter must return
* abs. verdicts * abs. verdicts
*/ */
tgpar.target = t->u.kernel.target; acpar.target = t->u.kernel.target;
tgpar.targinfo = t->data; acpar.targinfo = t->data;
verdict = t->u.kernel.target->target(skb, &tgpar); verdict = t->u.kernel.target->target(skb, &acpar);
/* Target might have changed stuff. */ /* Target might have changed stuff. */
arp = arp_hdr(skb); arp = arp_hdr(skb);
@ -345,10 +345,10 @@ unsigned int arpt_do_table(struct sk_buff *skb,
else else
/* Verdict */ /* Verdict */
break; break;
} while (!hotdrop); } while (!acpar.hotdrop);
xt_info_rdunlock_bh(); xt_info_rdunlock_bh();
if (hotdrop) if (acpar.hotdrop)
return NF_DROP; return NF_DROP;
else else
return verdict; return verdict;
@ -1828,7 +1828,8 @@ void arpt_unregister_table(struct xt_table *table)
} }
/* The built-in targets: standard (NULL) and error. */ /* The built-in targets: standard (NULL) and error. */
static struct xt_target arpt_standard_target __read_mostly = { static struct xt_target arpt_builtin_tg[] __read_mostly = {
{
.name = ARPT_STANDARD_TARGET, .name = ARPT_STANDARD_TARGET,
.targetsize = sizeof(int), .targetsize = sizeof(int),
.family = NFPROTO_ARP, .family = NFPROTO_ARP,
@ -1837,13 +1838,13 @@ static struct xt_target arpt_standard_target __read_mostly = {
.compat_from_user = compat_standard_from_user, .compat_from_user = compat_standard_from_user,
.compat_to_user = compat_standard_to_user, .compat_to_user = compat_standard_to_user,
#endif #endif
}; },
{
static struct xt_target arpt_error_target __read_mostly = {
.name = ARPT_ERROR_TARGET, .name = ARPT_ERROR_TARGET,
.target = arpt_error, .target = arpt_error,
.targetsize = ARPT_FUNCTION_MAXNAMELEN, .targetsize = ARPT_FUNCTION_MAXNAMELEN,
.family = NFPROTO_ARP, .family = NFPROTO_ARP,
},
}; };
static struct nf_sockopt_ops arpt_sockopts = { static struct nf_sockopt_ops arpt_sockopts = {
@ -1887,12 +1888,9 @@ static int __init arp_tables_init(void)
goto err1; goto err1;
/* Noone else will be downing sem now, so we won't sleep */ /* Noone else will be downing sem now, so we won't sleep */
ret = xt_register_target(&arpt_standard_target); ret = xt_register_targets(arpt_builtin_tg, ARRAY_SIZE(arpt_builtin_tg));
if (ret < 0) if (ret < 0)
goto err2; goto err2;
ret = xt_register_target(&arpt_error_target);
if (ret < 0)
goto err3;
/* Register setsockopt */ /* Register setsockopt */
ret = nf_register_sockopt(&arpt_sockopts); ret = nf_register_sockopt(&arpt_sockopts);
@ -1903,9 +1901,7 @@ static int __init arp_tables_init(void)
return 0; return 0;
err4: err4:
xt_unregister_target(&arpt_error_target); xt_unregister_targets(arpt_builtin_tg, ARRAY_SIZE(arpt_builtin_tg));
err3:
xt_unregister_target(&arpt_standard_target);
err2: err2:
unregister_pernet_subsys(&arp_tables_net_ops); unregister_pernet_subsys(&arp_tables_net_ops);
err1: err1:
@ -1915,8 +1911,7 @@ err1:
static void __exit arp_tables_fini(void) static void __exit arp_tables_fini(void)
{ {
nf_unregister_sockopt(&arpt_sockopts); nf_unregister_sockopt(&arpt_sockopts);
xt_unregister_target(&arpt_error_target); xt_unregister_targets(arpt_builtin_tg, ARRAY_SIZE(arpt_builtin_tg));
xt_unregister_target(&arpt_standard_target);
unregister_pernet_subsys(&arp_tables_net_ops); unregister_pernet_subsys(&arp_tables_net_ops);
} }

2
net/ipv4/netfilter/arpt_mangle.c
View File

@ -9,7 +9,7 @@ MODULE_AUTHOR("Bart De Schuymer <bdschuym@pandora.be>");
MODULE_DESCRIPTION("arptables arp payload mangle target"); MODULE_DESCRIPTION("arptables arp payload mangle target");
static unsigned int static unsigned int
target(struct sk_buff *skb, const struct xt_target_param *par) target(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct arpt_mangle *mangle = par->targinfo; const struct arpt_mangle *mangle = par->targinfo;
const struct arphdr *arp; const struct arphdr *arp;

96
net/ipv4/netfilter/ip_tables.c
View File

@ -165,7 +165,7 @@ ip_checkentry(const struct ipt_ip *ip)
} }
static unsigned int static unsigned int
ipt_error(struct sk_buff *skb, const struct xt_target_param *par) ipt_error(struct sk_buff *skb, const struct xt_action_param *par)
{ {
if (net_ratelimit()) if (net_ratelimit())
pr_info("error: `%s'\n", (const char *)par->targinfo); pr_info("error: `%s'\n", (const char *)par->targinfo);
@ -173,21 +173,6 @@ ipt_error(struct sk_buff *skb, const struct xt_target_param *par)
return NF_DROP; return NF_DROP;
} }
/* Performance critical - called for every packet */
static inline bool
do_match(const struct ipt_entry_match *m, const struct sk_buff *skb,
struct xt_match_param *par)
{
par->match = m->u.kernel.match;
par->matchinfo = m->data;
/* Stop iteration if it doesn't match */
if (!m->u.kernel.match->match(skb, par))
return true;
else
return false;
}
/* Performance critical */ /* Performance critical */
static inline struct ipt_entry * static inline struct ipt_entry *
get_entry(const void *base, unsigned int offset) get_entry(const void *base, unsigned int offset)
@ -323,7 +308,6 @@ ipt_do_table(struct sk_buff *skb,
{ {
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
const struct iphdr *ip; const struct iphdr *ip;
bool hotdrop = false;
/* Initializing verdict to NF_DROP keeps gcc happy. */ /* Initializing verdict to NF_DROP keeps gcc happy. */
unsigned int verdict = NF_DROP; unsigned int verdict = NF_DROP;
const char *indev, *outdev; const char *indev, *outdev;
@ -331,8 +315,7 @@ ipt_do_table(struct sk_buff *skb,
struct ipt_entry *e, **jumpstack; struct ipt_entry *e, **jumpstack;
unsigned int *stackptr, origptr, cpu; unsigned int *stackptr, origptr, cpu;
const struct xt_table_info *private; const struct xt_table_info *private;
struct xt_match_param mtpar; struct xt_action_param acpar;
struct xt_target_param tgpar;
/* Initialization */ /* Initialization */
ip = ip_hdr(skb); ip = ip_hdr(skb);
@ -344,13 +327,13 @@ ipt_do_table(struct sk_buff *skb,
* things we don't know, ie. tcp syn flag or ports). If the * things we don't know, ie. tcp syn flag or ports). If the
* rule is also a fragment-specific rule, non-fragments won't * rule is also a fragment-specific rule, non-fragments won't
* match it. */ * match it. */
mtpar.fragoff = ntohs(ip->frag_off) & IP_OFFSET; acpar.fragoff = ntohs(ip->frag_off) & IP_OFFSET;
mtpar.thoff = ip_hdrlen(skb); acpar.thoff = ip_hdrlen(skb);
mtpar.hotdrop = &hotdrop; acpar.hotdrop = false;
mtpar.in = tgpar.in = in; acpar.in = in;
mtpar.out = tgpar.out = out; acpar.out = out;
mtpar.family = tgpar.family = NFPROTO_IPV4; acpar.family = NFPROTO_IPV4;
mtpar.hooknum = tgpar.hooknum = hook; acpar.hooknum = hook;
IP_NF_ASSERT(table->valid_hooks & (1 << hook)); IP_NF_ASSERT(table->valid_hooks & (1 << hook));
xt_info_rdlock_bh(); xt_info_rdlock_bh();
@ -373,15 +356,18 @@ ipt_do_table(struct sk_buff *skb,
IP_NF_ASSERT(e); IP_NF_ASSERT(e);
if (!ip_packet_match(ip, indev, outdev, if (!ip_packet_match(ip, indev, outdev,
&e->ip, mtpar.fragoff)) { &e->ip, acpar.fragoff)) {
no_match: no_match:
e = ipt_next_entry(e); e = ipt_next_entry(e);
continue; continue;
} }
xt_ematch_foreach(ematch, e) xt_ematch_foreach(ematch, e) {
if (do_match(ematch, skb, &mtpar) != 0) acpar.match = ematch->u.kernel.match;
acpar.matchinfo = ematch->data;
if (!acpar.match->match(skb, &acpar))
goto no_match; goto no_match;
}
ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1); ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1);
@ -434,11 +420,10 @@ ipt_do_table(struct sk_buff *skb,
continue; continue;
} }
tgpar.target = t->u.kernel.target; acpar.target = t->u.kernel.target;
tgpar.targinfo = t->data; acpar.targinfo = t->data;
verdict = t->u.kernel.target->target(skb, &acpar);
verdict = t->u.kernel.target->target(skb, &tgpar);
/* Target might have changed stuff. */ /* Target might have changed stuff. */
ip = ip_hdr(skb); ip = ip_hdr(skb);
if (verdict == IPT_CONTINUE) if (verdict == IPT_CONTINUE)
@ -446,7 +431,7 @@ ipt_do_table(struct sk_buff *skb,
else else
/* Verdict */ /* Verdict */
break; break;
} while (!hotdrop); } while (!acpar.hotdrop);
xt_info_rdunlock_bh(); xt_info_rdunlock_bh();
pr_debug("Exiting %s; resetting sp from %u to %u\n", pr_debug("Exiting %s; resetting sp from %u to %u\n",
__func__, *stackptr, origptr); __func__, *stackptr, origptr);
@ -454,7 +439,7 @@ ipt_do_table(struct sk_buff *skb,
#ifdef DEBUG_ALLOW_ALL #ifdef DEBUG_ALLOW_ALL
return NF_ACCEPT; return NF_ACCEPT;
#else #else
if (hotdrop) if (acpar.hotdrop)
return NF_DROP; return NF_DROP;
else return verdict; else return verdict;
#endif #endif
@ -591,7 +576,7 @@ check_entry(const struct ipt_entry *e, const char *name)
const struct ipt_entry_target *t; const struct ipt_entry_target *t;
if (!ip_checkentry(&e->ip)) { if (!ip_checkentry(&e->ip)) {
duprintf("ip check failed %p %s.\n", e, name); duprintf("ip check failed %p %s.\n", e, par->match->name);
return -EINVAL; return -EINVAL;
} }
@ -618,7 +603,7 @@ check_match(struct ipt_entry_match *m, struct xt_mtchk_param *par)
ret = xt_check_match(par, m->u.match_size - sizeof(*m), ret = xt_check_match(par, m->u.match_size - sizeof(*m),
ip->proto, ip->invflags & IPT_INV_PROTO); ip->proto, ip->invflags & IPT_INV_PROTO);
if (ret < 0) { if (ret < 0) {
duprintf("check failed for `%s'.\n", par.match->name); duprintf("check failed for `%s'.\n", par->match->name);
return ret; return ret;
} }
return 0; return 0;
@ -2152,7 +2137,7 @@ icmp_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
} }
static bool static bool
icmp_match(const struct sk_buff *skb, const struct xt_match_param *par) icmp_match(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct icmphdr *ic; const struct icmphdr *ic;
struct icmphdr _icmph; struct icmphdr _icmph;
@ -2168,7 +2153,7 @@ icmp_match(const struct sk_buff *skb, const struct xt_match_param *par)
* can't. Hence, no choice but to drop. * can't. Hence, no choice but to drop.
*/ */
duprintf("Dropping evil ICMP tinygram.\n"); duprintf("Dropping evil ICMP tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
@ -2187,8 +2172,8 @@ static int icmp_checkentry(const struct xt_mtchk_param *par)
return (icmpinfo->invflags & ~IPT_ICMP_INV) ? -EINVAL : 0; return (icmpinfo->invflags & ~IPT_ICMP_INV) ? -EINVAL : 0;
} }
/* The built-in targets: standard (NULL) and error. */ static struct xt_target ipt_builtin_tg[] __read_mostly = {
static struct xt_target ipt_standard_target __read_mostly = { {
.name = IPT_STANDARD_TARGET, .name = IPT_STANDARD_TARGET,
.targetsize = sizeof(int), .targetsize = sizeof(int),
.family = NFPROTO_IPV4, .family = NFPROTO_IPV4,
@ -2197,13 +2182,13 @@ static struct xt_target ipt_standard_target __read_mostly = {
.compat_from_user = compat_standard_from_user, .compat_from_user = compat_standard_from_user,
.compat_to_user = compat_standard_to_user, .compat_to_user = compat_standard_to_user,
#endif #endif
}; },
{
static struct xt_target ipt_error_target __read_mostly = {
.name = IPT_ERROR_TARGET, .name = IPT_ERROR_TARGET,
.target = ipt_error, .target = ipt_error,
.targetsize = IPT_FUNCTION_MAXNAMELEN, .targetsize = IPT_FUNCTION_MAXNAMELEN,
.family = NFPROTO_IPV4, .family = NFPROTO_IPV4,
},
}; };
static struct nf_sockopt_ops ipt_sockopts = { static struct nf_sockopt_ops ipt_sockopts = {
@ -2223,13 +2208,15 @@ static struct nf_sockopt_ops ipt_sockopts = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
}; };
static struct xt_match icmp_matchstruct __read_mostly = { static struct xt_match ipt_builtin_mt[] __read_mostly = {
{
.name = "icmp", .name = "icmp",
.match = icmp_match, .match = icmp_match,
.matchsize = sizeof(struct ipt_icmp), .matchsize = sizeof(struct ipt_icmp),
.checkentry = icmp_checkentry, .checkentry = icmp_checkentry,
.proto = IPPROTO_ICMP, .proto = IPPROTO_ICMP,
.family = NFPROTO_IPV4, .family = NFPROTO_IPV4,
},
}; };
static int __net_init ip_tables_net_init(struct net *net) static int __net_init ip_tables_net_init(struct net *net)
@ -2256,13 +2243,10 @@ static int __init ip_tables_init(void)
goto err1; goto err1;
/* Noone else will be downing sem now, so we won't sleep */ /* Noone else will be downing sem now, so we won't sleep */
ret = xt_register_target(&ipt_standard_target); ret = xt_register_targets(ipt_builtin_tg, ARRAY_SIZE(ipt_builtin_tg));
if (ret < 0) if (ret < 0)
goto err2; goto err2;
ret = xt_register_target(&ipt_error_target); ret = xt_register_matches(ipt_builtin_mt, ARRAY_SIZE(ipt_builtin_mt));
if (ret < 0)
goto err3;
ret = xt_register_match(&icmp_matchstruct);
if (ret < 0) if (ret < 0)
goto err4; goto err4;
@ -2275,11 +2259,9 @@ static int __init ip_tables_init(void)
return 0; return 0;
err5: err5:
xt_unregister_match(&icmp_matchstruct); xt_unregister_matches(ipt_builtin_mt, ARRAY_SIZE(ipt_builtin_mt));
err4: err4:
xt_unregister_target(&ipt_error_target); xt_unregister_targets(ipt_builtin_tg, ARRAY_SIZE(ipt_builtin_tg));
err3:
xt_unregister_target(&ipt_standard_target);
err2: err2:
unregister_pernet_subsys(&ip_tables_net_ops); unregister_pernet_subsys(&ip_tables_net_ops);
err1: err1:
@ -2290,10 +2272,8 @@ static void __exit ip_tables_fini(void)
{ {
nf_unregister_sockopt(&ipt_sockopts); nf_unregister_sockopt(&ipt_sockopts);
xt_unregister_match(&icmp_matchstruct); xt_unregister_matches(ipt_builtin_mt, ARRAY_SIZE(ipt_builtin_mt));
xt_unregister_target(&ipt_error_target); xt_unregister_targets(ipt_builtin_tg, ARRAY_SIZE(ipt_builtin_tg));
xt_unregister_target(&ipt_standard_target);
unregister_pernet_subsys(&ip_tables_net_ops); unregister_pernet_subsys(&ip_tables_net_ops);
} }

2
net/ipv4/netfilter/ipt_CLUSTERIP.c
View File

@ -282,7 +282,7 @@ clusterip_responsible(const struct clusterip_config *config, u_int32_t hash)
***********************************************************************/ ***********************************************************************/
static unsigned int static unsigned int
clusterip_tg(struct sk_buff *skb, const struct xt_target_param *par) clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ipt_clusterip_tgt_info *cipinfo = par->targinfo; const struct ipt_clusterip_tgt_info *cipinfo = par->targinfo;
struct nf_conn *ct; struct nf_conn *ct;

2
net/ipv4/netfilter/ipt_ECN.c
View File

@ -77,7 +77,7 @@ set_ect_tcp(struct sk_buff *skb, const struct ipt_ECN_info *einfo)
} }
static unsigned int static unsigned int
ecn_tg(struct sk_buff *skb, const struct xt_target_param *par) ecn_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ipt_ECN_info *einfo = par->targinfo; const struct ipt_ECN_info *einfo = par->targinfo;

2
net/ipv4/netfilter/ipt_LOG.c
View File

@ -425,7 +425,7 @@ ipt_log_packet(u_int8_t pf,
} }
static unsigned int static unsigned int
log_tg(struct sk_buff *skb, const struct xt_target_param *par) log_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ipt_log_info *loginfo = par->targinfo; const struct ipt_log_info *loginfo = par->targinfo;
struct nf_loginfo li; struct nf_loginfo li;

2
net/ipv4/netfilter/ipt_MASQUERADE.c
View File

@ -44,7 +44,7 @@ static int masquerade_tg_check(const struct xt_tgchk_param *par)
} }
static unsigned int static unsigned int
masquerade_tg(struct sk_buff *skb, const struct xt_target_param *par) masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct nf_conn *ct; struct nf_conn *ct;
struct nf_conn_nat *nat; struct nf_conn_nat *nat;

2
net/ipv4/netfilter/ipt_NETMAP.c
View File

@ -38,7 +38,7 @@ static int netmap_tg_check(const struct xt_tgchk_param *par)
} }
static unsigned int static unsigned int
netmap_tg(struct sk_buff *skb, const struct xt_target_param *par) netmap_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct nf_conn *ct; struct nf_conn *ct;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;

2
net/ipv4/netfilter/ipt_REDIRECT.c
View File

@ -42,7 +42,7 @@ static int redirect_tg_check(const struct xt_tgchk_param *par)
} }
static unsigned int static unsigned int
redirect_tg(struct sk_buff *skb, const struct xt_target_param *par) redirect_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct nf_conn *ct; struct nf_conn *ct;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;

2
net/ipv4/netfilter/ipt_REJECT.c
View File

@ -136,7 +136,7 @@ static inline void send_unreach(struct sk_buff *skb_in, int code)
} }
static unsigned int static unsigned int
reject_tg(struct sk_buff *skb, const struct xt_target_param *par) reject_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ipt_reject_info *reject = par->targinfo; const struct ipt_reject_info *reject = par->targinfo;

2
net/ipv4/netfilter/ipt_ULOG.c
View File

@ -276,7 +276,7 @@ alloc_failure:
} }
static unsigned int static unsigned int
ulog_tg(struct sk_buff *skb, const struct xt_target_param *par) ulog_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
ipt_ulog_packet(par->hooknum, skb, par->in, par->out, ipt_ulog_packet(par->hooknum, skb, par->in, par->out,
par->targinfo, NULL); par->targinfo, NULL);

4
net/ipv4/netfilter/ipt_addrtype.c
View File

@ -30,7 +30,7 @@ static inline bool match_type(struct net *net, const struct net_device *dev,
} }
static bool static bool
addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) addrtype_mt_v0(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct net *net = dev_net(par->in ? par->in : par->out); struct net *net = dev_net(par->in ? par->in : par->out);
const struct ipt_addrtype_info *info = par->matchinfo; const struct ipt_addrtype_info *info = par->matchinfo;
@ -48,7 +48,7 @@ addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
} }
static bool static bool
addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) addrtype_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct net *net = dev_net(par->in ? par->in : par->out); struct net *net = dev_net(par->in ? par->in : par->out);
const struct ipt_addrtype_info_v1 *info = par->matchinfo; const struct ipt_addrtype_info_v1 *info = par->matchinfo;

4
net/ipv4/netfilter/ipt_ah.c
View File

@ -30,7 +30,7 @@ spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, bool invert)
return r; return r;
} }
static bool ah_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool ah_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ip_auth_hdr _ahdr; struct ip_auth_hdr _ahdr;
const struct ip_auth_hdr *ah; const struct ip_auth_hdr *ah;
@ -46,7 +46,7 @@ static bool ah_mt(const struct sk_buff *skb, const struct xt_match_param *par)
* can't. Hence, no choice but to drop. * can't. Hence, no choice but to drop.
*/ */
pr_debug("Dropping evil AH tinygram.\n"); pr_debug("Dropping evil AH tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return 0; return 0;
} }

4
net/ipv4/netfilter/ipt_ecn.c
View File

@ -67,7 +67,7 @@ static inline bool match_tcp(const struct sk_buff *skb,
return true; return true;
} }
static bool ecn_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ipt_ecn_info *info = par->matchinfo; const struct ipt_ecn_info *info = par->matchinfo;
@ -78,7 +78,7 @@ static bool ecn_mt(const struct sk_buff *skb, const struct xt_match_param *par)
if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) { if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) {
if (ip_hdr(skb)->protocol != IPPROTO_TCP) if (ip_hdr(skb)->protocol != IPPROTO_TCP)
return false; return false;
if (!match_tcp(skb, info, par->hotdrop)) if (!match_tcp(skb, info, &par->hotdrop))
return false; return false;
} }

4
net/ipv4/netfilter/nf_nat_rule.c
View File

@ -39,7 +39,7 @@ static const struct xt_table nat_table = {
/* Source NAT */ /* Source NAT */
static unsigned int static unsigned int
ipt_snat_target(struct sk_buff *skb, const struct xt_target_param *par) ipt_snat_target(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct nf_conn *ct; struct nf_conn *ct;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
@ -58,7 +58,7 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_target_param *par)
} }
static unsigned int static unsigned int
ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par) ipt_dnat_target(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct nf_conn *ct; struct nf_conn *ct;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;

86
net/ipv6/netfilter/ip6_tables.c
View File

@ -197,7 +197,7 @@ ip6_checkentry(const struct ip6t_ip6 *ipv6)
} }
static unsigned int static unsigned int
ip6t_error(struct sk_buff *skb, const struct xt_target_param *par) ip6t_error(struct sk_buff *skb, const struct xt_action_param *par)
{ {
if (net_ratelimit()) if (net_ratelimit())
pr_info("error: `%s'\n", (const char *)par->targinfo); pr_info("error: `%s'\n", (const char *)par->targinfo);
@ -205,21 +205,6 @@ ip6t_error(struct sk_buff *skb, const struct xt_target_param *par)
return NF_DROP; return NF_DROP;
} }
/* Performance critical - called for every packet */
static inline bool
do_match(const struct ip6t_entry_match *m, const struct sk_buff *skb,
struct xt_match_param *par)
{
par->match = m->u.kernel.match;
par->matchinfo = m->data;
/* Stop iteration if it doesn't match */
if (!m->u.kernel.match->match(skb, par))
return true;
else
return false;
}
static inline struct ip6t_entry * static inline struct ip6t_entry *
get_entry(const void *base, unsigned int offset) get_entry(const void *base, unsigned int offset)
{ {
@ -352,7 +337,6 @@ ip6t_do_table(struct sk_buff *skb,
struct xt_table *table) struct xt_table *table)
{ {
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
bool hotdrop = false;
/* Initializing verdict to NF_DROP keeps gcc happy. */ /* Initializing verdict to NF_DROP keeps gcc happy. */
unsigned int verdict = NF_DROP; unsigned int verdict = NF_DROP;
const char *indev, *outdev; const char *indev, *outdev;
@ -360,8 +344,7 @@ ip6t_do_table(struct sk_buff *skb,
struct ip6t_entry *e, **jumpstack; struct ip6t_entry *e, **jumpstack;
unsigned int *stackptr, origptr, cpu; unsigned int *stackptr, origptr, cpu;
const struct xt_table_info *private; const struct xt_table_info *private;
struct xt_match_param mtpar; struct xt_action_param acpar;
struct xt_target_param tgpar;
/* Initialization */ /* Initialization */
indev = in ? in->name : nulldevname; indev = in ? in->name : nulldevname;
@ -372,11 +355,11 @@ ip6t_do_table(struct sk_buff *skb,
* things we don't know, ie. tcp syn flag or ports). If the * things we don't know, ie. tcp syn flag or ports). If the
* rule is also a fragment-specific rule, non-fragments won't * rule is also a fragment-specific rule, non-fragments won't
* match it. */ * match it. */
mtpar.hotdrop = &hotdrop; acpar.hotdrop = false;
mtpar.in = tgpar.in = in; acpar.in = in;
mtpar.out = tgpar.out = out; acpar.out = out;
mtpar.family = tgpar.family = NFPROTO_IPV6; acpar.family = NFPROTO_IPV6;
mtpar.hooknum = tgpar.hooknum = hook; acpar.hooknum = hook;
IP_NF_ASSERT(table->valid_hooks & (1 << hook)); IP_NF_ASSERT(table->valid_hooks & (1 << hook));
@ -396,15 +379,18 @@ ip6t_do_table(struct sk_buff *skb,
IP_NF_ASSERT(e); IP_NF_ASSERT(e);
if (!ip6_packet_match(skb, indev, outdev, &e->ipv6, if (!ip6_packet_match(skb, indev, outdev, &e->ipv6,
&mtpar.thoff, &mtpar.fragoff, &hotdrop)) { &acpar.thoff, &acpar.fragoff, &acpar.hotdrop)) {
no_match: no_match:
e = ip6t_next_entry(e); e = ip6t_next_entry(e);
continue; continue;
} }
xt_ematch_foreach(ematch, e) xt_ematch_foreach(ematch, e) {
if (do_match(ematch, skb, &mtpar) != 0) acpar.match = ematch->u.kernel.match;
acpar.matchinfo = ematch->data;
if (!acpar.match->match(skb, &acpar))
goto no_match; goto no_match;
}
ADD_COUNTER(e->counters, ADD_COUNTER(e->counters,
ntohs(ipv6_hdr(skb)->payload_len) + ntohs(ipv6_hdr(skb)->payload_len) +
@ -451,16 +437,16 @@ ip6t_do_table(struct sk_buff *skb,
continue; continue;
} }
tgpar.target = t->u.kernel.target; acpar.target = t->u.kernel.target;
tgpar.targinfo = t->data; acpar.targinfo = t->data;
verdict = t->u.kernel.target->target(skb, &tgpar); verdict = t->u.kernel.target->target(skb, &acpar);
if (verdict == IP6T_CONTINUE) if (verdict == IP6T_CONTINUE)
e = ip6t_next_entry(e); e = ip6t_next_entry(e);
else else
/* Verdict */ /* Verdict */
break; break;
} while (!hotdrop); } while (!acpar.hotdrop);
xt_info_rdunlock_bh(); xt_info_rdunlock_bh();
*stackptr = origptr; *stackptr = origptr;
@ -468,7 +454,7 @@ ip6t_do_table(struct sk_buff *skb,
#ifdef DEBUG_ALLOW_ALL #ifdef DEBUG_ALLOW_ALL
return NF_ACCEPT; return NF_ACCEPT;
#else #else
if (hotdrop) if (acpar.hotdrop)
return NF_DROP; return NF_DROP;
else return verdict; else return verdict;
#endif #endif
@ -2167,7 +2153,7 @@ icmp6_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
} }
static bool static bool
icmp6_match(const struct sk_buff *skb, const struct xt_match_param *par) icmp6_match(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct icmp6hdr *ic; const struct icmp6hdr *ic;
struct icmp6hdr _icmph; struct icmp6hdr _icmph;
@ -2183,7 +2169,7 @@ icmp6_match(const struct sk_buff *skb, const struct xt_match_param *par)
* can't. Hence, no choice but to drop. * can't. Hence, no choice but to drop.
*/ */
duprintf("Dropping evil ICMP tinygram.\n"); duprintf("Dropping evil ICMP tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
@ -2204,7 +2190,8 @@ static int icmp6_checkentry(const struct xt_mtchk_param *par)
} }
/* The built-in targets: standard (NULL) and error. */ /* The built-in targets: standard (NULL) and error. */
static struct xt_target ip6t_standard_target __read_mostly = { static struct xt_target ip6t_builtin_tg[] __read_mostly = {
{
.name = IP6T_STANDARD_TARGET, .name = IP6T_STANDARD_TARGET,
.targetsize = sizeof(int), .targetsize = sizeof(int),
.family = NFPROTO_IPV6, .family = NFPROTO_IPV6,
@ -2213,13 +2200,13 @@ static struct xt_target ip6t_standard_target __read_mostly = {
.compat_from_user = compat_standard_from_user, .compat_from_user = compat_standard_from_user,
.compat_to_user = compat_standard_to_user, .compat_to_user = compat_standard_to_user,
#endif #endif
}; },
{
static struct xt_target ip6t_error_target __read_mostly = {
.name = IP6T_ERROR_TARGET, .name = IP6T_ERROR_TARGET,
.target = ip6t_error, .target = ip6t_error,
.targetsize = IP6T_FUNCTION_MAXNAMELEN, .targetsize = IP6T_FUNCTION_MAXNAMELEN,
.family = NFPROTO_IPV6, .family = NFPROTO_IPV6,
},
}; };
static struct nf_sockopt_ops ip6t_sockopts = { static struct nf_sockopt_ops ip6t_sockopts = {
@ -2239,13 +2226,15 @@ static struct nf_sockopt_ops ip6t_sockopts = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
}; };
static struct xt_match icmp6_matchstruct __read_mostly = { static struct xt_match ip6t_builtin_mt[] __read_mostly = {
{
.name = "icmp6", .name = "icmp6",
.match = icmp6_match, .match = icmp6_match,
.matchsize = sizeof(struct ip6t_icmp), .matchsize = sizeof(struct ip6t_icmp),
.checkentry = icmp6_checkentry, .checkentry = icmp6_checkentry,
.proto = IPPROTO_ICMPV6, .proto = IPPROTO_ICMPV6,
.family = NFPROTO_IPV6, .family = NFPROTO_IPV6,
},
}; };
static int __net_init ip6_tables_net_init(struct net *net) static int __net_init ip6_tables_net_init(struct net *net)
@ -2272,13 +2261,10 @@ static int __init ip6_tables_init(void)
goto err1; goto err1;
/* Noone else will be downing sem now, so we won't sleep */ /* Noone else will be downing sem now, so we won't sleep */
ret = xt_register_target(&ip6t_standard_target); ret = xt_register_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg));
if (ret < 0) if (ret < 0)
goto err2; goto err2;
ret = xt_register_target(&ip6t_error_target); ret = xt_register_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt));
if (ret < 0)
goto err3;
ret = xt_register_match(&icmp6_matchstruct);
if (ret < 0) if (ret < 0)
goto err4; goto err4;
@ -2291,11 +2277,9 @@ static int __init ip6_tables_init(void)
return 0; return 0;
err5: err5:
xt_unregister_match(&icmp6_matchstruct); xt_unregister_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt));
err4: err4:
xt_unregister_target(&ip6t_error_target); xt_unregister_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg));
err3:
xt_unregister_target(&ip6t_standard_target);
err2: err2:
unregister_pernet_subsys(&ip6_tables_net_ops); unregister_pernet_subsys(&ip6_tables_net_ops);
err1: err1:
@ -2306,10 +2290,8 @@ static void __exit ip6_tables_fini(void)
{ {
nf_unregister_sockopt(&ip6t_sockopts); nf_unregister_sockopt(&ip6t_sockopts);
xt_unregister_match(&icmp6_matchstruct); xt_unregister_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt));
xt_unregister_target(&ip6t_error_target); xt_unregister_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg));
xt_unregister_target(&ip6t_standard_target);
unregister_pernet_subsys(&ip6_tables_net_ops); unregister_pernet_subsys(&ip6_tables_net_ops);
} }

2
net/ipv6/netfilter/ip6t_LOG.c
View File

@ -436,7 +436,7 @@ ip6t_log_packet(u_int8_t pf,
} }
static unsigned int static unsigned int
log_tg6(struct sk_buff *skb, const struct xt_target_param *par) log_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ip6t_log_info *loginfo = par->targinfo; const struct ip6t_log_info *loginfo = par->targinfo;
struct nf_loginfo li; struct nf_loginfo li;

2
net/ipv6/netfilter/ip6t_REJECT.c
View File

@ -175,7 +175,7 @@ send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code,
} }
static unsigned int static unsigned int
reject_tg6(struct sk_buff *skb, const struct xt_target_param *par) reject_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct ip6t_reject_info *reject = par->targinfo; const struct ip6t_reject_info *reject = par->targinfo;
struct net *net = dev_net((par->in != NULL) ? par->in : par->out); struct net *net = dev_net((par->in != NULL) ? par->in : par->out);

6
net/ipv6/netfilter/ip6t_ah.c
View File

@ -36,7 +36,7 @@ spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, bool invert)
return r; return r;
} }
static bool ah_mt6(const struct sk_buff *skb, const struct xt_match_param *par) static bool ah_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ip_auth_hdr _ah; struct ip_auth_hdr _ah;
const struct ip_auth_hdr *ah; const struct ip_auth_hdr *ah;
@ -48,13 +48,13 @@ static bool ah_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
err = ipv6_find_hdr(skb, &ptr, NEXTHDR_AUTH, NULL); err = ipv6_find_hdr(skb, &ptr, NEXTHDR_AUTH, NULL);
if (err < 0) { if (err < 0) {
if (err != -ENOENT) if (err != -ENOENT)
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
ah = skb_header_pointer(skb, ptr, sizeof(_ah), &_ah); ah = skb_header_pointer(skb, ptr, sizeof(_ah), &_ah);
if (ah == NULL) { if (ah == NULL) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

4
net/ipv6/netfilter/ip6t_eui64.c
View File

@ -20,14 +20,14 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>"); MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
static bool static bool
eui64_mt6(const struct sk_buff *skb, const struct xt_match_param *par) eui64_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
unsigned char eui64[8]; unsigned char eui64[8];
if (!(skb_mac_header(skb) >= skb->head && if (!(skb_mac_header(skb) >= skb->head &&
skb_mac_header(skb) + ETH_HLEN <= skb->data) && skb_mac_header(skb) + ETH_HLEN <= skb->data) &&
par->fragoff != 0) { par->fragoff != 0) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

6
net/ipv6/netfilter/ip6t_frag.c
View File

@ -35,7 +35,7 @@ id_match(u_int32_t min, u_int32_t max, u_int32_t id, bool invert)
} }
static bool static bool
frag_mt6(const struct sk_buff *skb, const struct xt_match_param *par) frag_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct frag_hdr _frag; struct frag_hdr _frag;
const struct frag_hdr *fh; const struct frag_hdr *fh;
@ -46,13 +46,13 @@ frag_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
err = ipv6_find_hdr(skb, &ptr, NEXTHDR_FRAGMENT, NULL); err = ipv6_find_hdr(skb, &ptr, NEXTHDR_FRAGMENT, NULL);
if (err < 0) { if (err < 0) {
if (err != -ENOENT) if (err != -ENOENT)
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
fh = skb_header_pointer(skb, ptr, sizeof(_frag), &_frag); fh = skb_header_pointer(skb, ptr, sizeof(_frag), &_frag);
if (fh == NULL) { if (fh == NULL) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

6
net/ipv6/netfilter/ip6t_hbh.c
View File

@ -44,7 +44,7 @@ MODULE_ALIAS("ip6t_dst");
static struct xt_match hbh_mt6_reg[] __read_mostly; static struct xt_match hbh_mt6_reg[] __read_mostly;
static bool static bool
hbh_mt6(const struct sk_buff *skb, const struct xt_match_param *par) hbh_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ipv6_opt_hdr _optsh; struct ipv6_opt_hdr _optsh;
const struct ipv6_opt_hdr *oh; const struct ipv6_opt_hdr *oh;
@ -65,13 +65,13 @@ hbh_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
NEXTHDR_HOP : NEXTHDR_DEST, NULL); NEXTHDR_HOP : NEXTHDR_DEST, NULL);
if (err < 0) { if (err < 0) {
if (err != -ENOENT) if (err != -ENOENT)
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh); oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh);
if (oh == NULL) { if (oh == NULL) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

2
net/ipv6/netfilter/ip6t_ipv6header.c
View File

@ -27,7 +27,7 @@ MODULE_DESCRIPTION("Xtables: IPv6 header types match");
MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>"); MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
static bool static bool
ipv6header_mt6(const struct sk_buff *skb, const struct xt_match_param *par) ipv6header_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ip6t_ipv6header_info *info = par->matchinfo; const struct ip6t_ipv6header_info *info = par->matchinfo;
unsigned int temp; unsigned int temp;

6
net/ipv6/netfilter/ip6t_mh.c
View File

@ -32,7 +32,7 @@ type_match(u_int8_t min, u_int8_t max, u_int8_t type, bool invert)
return (type >= min && type <= max) ^ invert; return (type >= min && type <= max) ^ invert;
} }
static bool mh_mt6(const struct sk_buff *skb, const struct xt_match_param *par) static bool mh_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ip6_mh _mh; struct ip6_mh _mh;
const struct ip6_mh *mh; const struct ip6_mh *mh;
@ -47,14 +47,14 @@ static bool mh_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
/* We've been asked to examine this packet, and we /* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */ can't. Hence, no choice but to drop. */
pr_debug("Dropping evil MH tinygram.\n"); pr_debug("Dropping evil MH tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
if (mh->ip6mh_proto != IPPROTO_NONE) { if (mh->ip6mh_proto != IPPROTO_NONE) {
pr_debug("Dropping invalid MH Payload Proto: %u\n", pr_debug("Dropping invalid MH Payload Proto: %u\n",
mh->ip6mh_proto); mh->ip6mh_proto);
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

6
net/ipv6/netfilter/ip6t_rt.c
View File

@ -36,7 +36,7 @@ segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, bool invert)
return r; return r;
} }
static bool rt_mt6(const struct sk_buff *skb, const struct xt_match_param *par) static bool rt_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct ipv6_rt_hdr _route; struct ipv6_rt_hdr _route;
const struct ipv6_rt_hdr *rh; const struct ipv6_rt_hdr *rh;
@ -52,13 +52,13 @@ static bool rt_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
err = ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL); err = ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL);
if (err < 0) { if (err < 0) {
if (err != -ENOENT) if (err != -ENOENT)
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route); rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
if (rh == NULL) { if (rh == NULL) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

2
net/netfilter/xt_CLASSIFY.c
View File

@ -27,7 +27,7 @@ MODULE_ALIAS("ipt_CLASSIFY");
MODULE_ALIAS("ip6t_CLASSIFY"); MODULE_ALIAS("ip6t_CLASSIFY");
static unsigned int static unsigned int
classify_tg(struct sk_buff *skb, const struct xt_target_param *par) classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_classify_target_info *clinfo = par->targinfo; const struct xt_classify_target_info *clinfo = par->targinfo;

2
net/netfilter/xt_CONNSECMARK.c
View File

@ -64,7 +64,7 @@ static void secmark_restore(struct sk_buff *skb)
} }
static unsigned int static unsigned int
connsecmark_tg(struct sk_buff *skb, const struct xt_target_param *par) connsecmark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_connsecmark_target_info *info = par->targinfo; const struct xt_connsecmark_target_info *info = par->targinfo;

2
net/netfilter/xt_CT.c
View File

@ -20,7 +20,7 @@
#include <net/netfilter/nf_conntrack_zones.h> #include <net/netfilter/nf_conntrack_zones.h>
static unsigned int xt_ct_target(struct sk_buff *skb, static unsigned int xt_ct_target(struct sk_buff *skb,
const struct xt_target_param *par) const struct xt_action_param *par)
{ {
const struct xt_ct_target_info *info = par->targinfo; const struct xt_ct_target_info *info = par->targinfo;
struct nf_conn *ct = info->ct; struct nf_conn *ct = info->ct;

8
net/netfilter/xt_DSCP.c
View File

@ -28,7 +28,7 @@ MODULE_ALIAS("ipt_TOS");
MODULE_ALIAS("ip6t_TOS"); MODULE_ALIAS("ip6t_TOS");
static unsigned int static unsigned int
dscp_tg(struct sk_buff *skb, const struct xt_target_param *par) dscp_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_DSCP_info *dinfo = par->targinfo; const struct xt_DSCP_info *dinfo = par->targinfo;
u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT; u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT;
@ -45,7 +45,7 @@ dscp_tg(struct sk_buff *skb, const struct xt_target_param *par)
} }
static unsigned int static unsigned int
dscp_tg6(struct sk_buff *skb, const struct xt_target_param *par) dscp_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_DSCP_info *dinfo = par->targinfo; const struct xt_DSCP_info *dinfo = par->targinfo;
u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT; u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT;
@ -72,7 +72,7 @@ static int dscp_tg_check(const struct xt_tgchk_param *par)
} }
static unsigned int static unsigned int
tos_tg(struct sk_buff *skb, const struct xt_target_param *par) tos_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_tos_target_info *info = par->targinfo; const struct xt_tos_target_info *info = par->targinfo;
struct iphdr *iph = ip_hdr(skb); struct iphdr *iph = ip_hdr(skb);
@ -92,7 +92,7 @@ tos_tg(struct sk_buff *skb, const struct xt_target_param *par)
} }
static unsigned int static unsigned int
tos_tg6(struct sk_buff *skb, const struct xt_target_param *par) tos_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_tos_target_info *info = par->targinfo; const struct xt_tos_target_info *info = par->targinfo;
struct ipv6hdr *iph = ipv6_hdr(skb); struct ipv6hdr *iph = ipv6_hdr(skb);

4
net/netfilter/xt_HL.c
View File

@ -26,7 +26,7 @@ MODULE_DESCRIPTION("Xtables: Hoplimit/TTL Limit field modification target");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
static unsigned int static unsigned int
ttl_tg(struct sk_buff *skb, const struct xt_target_param *par) ttl_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct iphdr *iph; struct iphdr *iph;
const struct ipt_TTL_info *info = par->targinfo; const struct ipt_TTL_info *info = par->targinfo;
@ -66,7 +66,7 @@ ttl_tg(struct sk_buff *skb, const struct xt_target_param *par)
} }
static unsigned int static unsigned int
hl_tg6(struct sk_buff *skb, const struct xt_target_param *par) hl_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct ipv6hdr *ip6h; struct ipv6hdr *ip6h;
const struct ip6t_HL_info *info = par->targinfo; const struct ip6t_HL_info *info = par->targinfo;

2
net/netfilter/xt_LED.c
View File

@ -49,7 +49,7 @@ struct xt_led_info_internal {
}; };
static unsigned int static unsigned int
led_tg(struct sk_buff *skb, const struct xt_target_param *par) led_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_led_info *ledinfo = par->targinfo; const struct xt_led_info *ledinfo = par->targinfo;
struct xt_led_info_internal *ledinternal = ledinfo->internal_data; struct xt_led_info_internal *ledinternal = ledinfo->internal_data;

2
net/netfilter/xt_NFLOG.c
View File

@ -22,7 +22,7 @@ MODULE_ALIAS("ipt_NFLOG");
MODULE_ALIAS("ip6t_NFLOG"); MODULE_ALIAS("ip6t_NFLOG");
static unsigned int static unsigned int
nflog_tg(struct sk_buff *skb, const struct xt_target_param *par) nflog_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_nflog_info *info = par->targinfo; const struct xt_nflog_info *info = par->targinfo;
struct nf_loginfo li; struct nf_loginfo li;

4
net/netfilter/xt_NFQUEUE.c
View File

@ -31,7 +31,7 @@ static u32 jhash_initval __read_mostly;
static bool rnd_inited __read_mostly; static bool rnd_inited __read_mostly;
static unsigned int static unsigned int
nfqueue_tg(struct sk_buff *skb, const struct xt_target_param *par) nfqueue_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_NFQ_info *tinfo = par->targinfo; const struct xt_NFQ_info *tinfo = par->targinfo;
@ -65,7 +65,7 @@ static u32 hash_v6(const struct sk_buff *skb)
#endif #endif
static unsigned int static unsigned int
nfqueue_tg_v1(struct sk_buff *skb, const struct xt_target_param *par) nfqueue_tg_v1(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_NFQ_info_v1 *info = par->targinfo; const struct xt_NFQ_info_v1 *info = par->targinfo;
u32 queue = info->queuenum; u32 queue = info->queuenum;

2
net/netfilter/xt_NOTRACK.c
View File

@ -13,7 +13,7 @@ MODULE_ALIAS("ipt_NOTRACK");
MODULE_ALIAS("ip6t_NOTRACK"); MODULE_ALIAS("ip6t_NOTRACK");
static unsigned int static unsigned int
notrack_tg(struct sk_buff *skb, const struct xt_target_param *par) notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
/* Previously seen (loopback)? Ignore. */ /* Previously seen (loopback)? Ignore. */
if (skb->nfct != NULL) if (skb->nfct != NULL)

2
net/netfilter/xt_RATEEST.c
View File

@ -73,7 +73,7 @@ void xt_rateest_put(struct xt_rateest *est)
EXPORT_SYMBOL_GPL(xt_rateest_put); EXPORT_SYMBOL_GPL(xt_rateest_put);
static unsigned int static unsigned int
xt_rateest_tg(struct sk_buff *skb, const struct xt_target_param *par) xt_rateest_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_rateest_target_info *info = par->targinfo; const struct xt_rateest_target_info *info = par->targinfo;
struct gnet_stats_basic_packed *stats = &info->est->bstats; struct gnet_stats_basic_packed *stats = &info->est->bstats;

2
net/netfilter/xt_SECMARK.c
View File

@ -30,7 +30,7 @@ MODULE_ALIAS("ip6t_SECMARK");
static u8 mode; static u8 mode;
static unsigned int static unsigned int
secmark_tg(struct sk_buff *skb, const struct xt_target_param *par) secmark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
u32 secmark = 0; u32 secmark = 0;
const struct xt_secmark_target_info *info = par->targinfo; const struct xt_secmark_target_info *info = par->targinfo;

4
net/netfilter/xt_TCPMSS.c
View File

@ -172,7 +172,7 @@ static u_int32_t tcpmss_reverse_mtu(const struct sk_buff *skb,
} }
static unsigned int static unsigned int
tcpmss_tg4(struct sk_buff *skb, const struct xt_target_param *par) tcpmss_tg4(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct iphdr *iph = ip_hdr(skb); struct iphdr *iph = ip_hdr(skb);
__be16 newlen; __be16 newlen;
@ -195,7 +195,7 @@ tcpmss_tg4(struct sk_buff *skb, const struct xt_target_param *par)
#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE) #if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
static unsigned int static unsigned int
tcpmss_tg6(struct sk_buff *skb, const struct xt_target_param *par) tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct ipv6hdr *ipv6h = ipv6_hdr(skb); struct ipv6hdr *ipv6h = ipv6_hdr(skb);
u8 nexthdr; u8 nexthdr;

4
net/netfilter/xt_TCPOPTSTRIP.c
View File

@ -74,7 +74,7 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb,
} }
static unsigned int static unsigned int
tcpoptstrip_tg4(struct sk_buff *skb, const struct xt_target_param *par) tcpoptstrip_tg4(struct sk_buff *skb, const struct xt_action_param *par)
{ {
return tcpoptstrip_mangle_packet(skb, par->targinfo, ip_hdrlen(skb), return tcpoptstrip_mangle_packet(skb, par->targinfo, ip_hdrlen(skb),
sizeof(struct iphdr) + sizeof(struct tcphdr)); sizeof(struct iphdr) + sizeof(struct tcphdr));
@ -82,7 +82,7 @@ tcpoptstrip_tg4(struct sk_buff *skb, const struct xt_target_param *par)
#if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE) #if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE)
static unsigned int static unsigned int
tcpoptstrip_tg6(struct sk_buff *skb, const struct xt_target_param *par) tcpoptstrip_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
struct ipv6hdr *ipv6h = ipv6_hdr(skb); struct ipv6hdr *ipv6h = ipv6_hdr(skb);
int tcphoff; int tcphoff;

4
net/netfilter/xt_TEE.c
View File

@ -84,7 +84,7 @@ tee_tg_route4(struct sk_buff *skb, const struct xt_tee_tginfo *info)
} }
static unsigned int static unsigned int
tee_tg4(struct sk_buff *skb, const struct xt_target_param *par) tee_tg4(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_tee_tginfo *info = par->targinfo; const struct xt_tee_tginfo *info = par->targinfo;
struct iphdr *iph; struct iphdr *iph;
@ -165,7 +165,7 @@ tee_tg_route6(struct sk_buff *skb, const struct xt_tee_tginfo *info)
} }
static unsigned int static unsigned int
tee_tg6(struct sk_buff *skb, const struct xt_target_param *par) tee_tg6(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_tee_tginfo *info = par->targinfo; const struct xt_tee_tginfo *info = par->targinfo;

2
net/netfilter/xt_TPROXY.c
View File

@ -25,7 +25,7 @@
#include <net/netfilter/nf_tproxy_core.h> #include <net/netfilter/nf_tproxy_core.h>
static unsigned int static unsigned int
tproxy_tg(struct sk_buff *skb, const struct xt_target_param *par) tproxy_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct iphdr *iph = ip_hdr(skb); const struct iphdr *iph = ip_hdr(skb);
const struct xt_tproxy_target_info *tgi = par->targinfo; const struct xt_tproxy_target_info *tgi = par->targinfo;

2
net/netfilter/xt_TRACE.c
View File

@ -11,7 +11,7 @@ MODULE_ALIAS("ipt_TRACE");
MODULE_ALIAS("ip6t_TRACE"); MODULE_ALIAS("ip6t_TRACE");
static unsigned int static unsigned int
trace_tg(struct sk_buff *skb, const struct xt_target_param *par) trace_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
skb->nf_trace = 1; skb->nf_trace = 1;
return XT_CONTINUE; return XT_CONTINUE;

2
net/netfilter/xt_cluster.c
View File

@ -86,7 +86,7 @@ xt_cluster_is_multicast_addr(const struct sk_buff *skb, u_int8_t family)
} }
static bool static bool
xt_cluster_mt(const struct sk_buff *skb, const struct xt_match_param *par) xt_cluster_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct sk_buff *pskb = (struct sk_buff *)skb; struct sk_buff *pskb = (struct sk_buff *)skb;
const struct xt_cluster_match_info *info = par->matchinfo; const struct xt_cluster_match_info *info = par->matchinfo;

2
net/netfilter/xt_comment.c
View File

@ -16,7 +16,7 @@ MODULE_ALIAS("ipt_comment");
MODULE_ALIAS("ip6t_comment"); MODULE_ALIAS("ip6t_comment");
static bool static bool
comment_mt(const struct sk_buff *skb, const struct xt_match_param *par) comment_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
/* We always match */ /* We always match */
return true; return true;

2
net/netfilter/xt_connbytes.c
View File

@ -18,7 +18,7 @@ MODULE_ALIAS("ipt_connbytes");
MODULE_ALIAS("ip6t_connbytes"); MODULE_ALIAS("ip6t_connbytes");
static bool static bool
connbytes_mt(const struct sk_buff *skb, const struct xt_match_param *par) connbytes_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_connbytes_info *sinfo = par->matchinfo; const struct xt_connbytes_info *sinfo = par->matchinfo;
const struct nf_conn *ct; const struct nf_conn *ct;

6
net/netfilter/xt_connlimit.c
View File

@ -173,7 +173,7 @@ static int count_them(struct net *net,
} }
static bool static bool
connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par) connlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct net *net = dev_net(par->in ? par->in : par->out); struct net *net = dev_net(par->in ? par->in : par->out);
const struct xt_connlimit_info *info = par->matchinfo; const struct xt_connlimit_info *info = par->matchinfo;
@ -206,14 +206,14 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
if (connections < 0) { if (connections < 0) {
/* kmalloc failed, drop it entirely */ /* kmalloc failed, drop it entirely */
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
return (connections > info->limit) ^ info->inverse; return (connections > info->limit) ^ info->inverse;
hotdrop: hotdrop:
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

4
net/netfilter/xt_connmark.c
View File

@ -37,7 +37,7 @@ MODULE_ALIAS("ipt_connmark");
MODULE_ALIAS("ip6t_connmark"); MODULE_ALIAS("ip6t_connmark");
static unsigned int static unsigned int
connmark_tg(struct sk_buff *skb, const struct xt_target_param *par) connmark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_connmark_tginfo1 *info = par->targinfo; const struct xt_connmark_tginfo1 *info = par->targinfo;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
@ -91,7 +91,7 @@ static void connmark_tg_destroy(const struct xt_tgdtor_param *par)
} }
static bool static bool
connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par) connmark_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_connmark_mtinfo1 *info = par->matchinfo; const struct xt_connmark_mtinfo1 *info = par->matchinfo;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;

6
net/netfilter/xt_conntrack.c
View File

@ -113,7 +113,7 @@ ct_proto_port_check(const struct xt_conntrack_mtinfo2 *info,
} }
static bool static bool
conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par, conntrack_mt(const struct sk_buff *skb, struct xt_action_param *par,
u16 state_mask, u16 status_mask) u16 state_mask, u16 status_mask)
{ {
const struct xt_conntrack_mtinfo2 *info = par->matchinfo; const struct xt_conntrack_mtinfo2 *info = par->matchinfo;
@ -191,7 +191,7 @@ conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par,
} }
static bool static bool
conntrack_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) conntrack_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_conntrack_mtinfo1 *info = par->matchinfo; const struct xt_conntrack_mtinfo1 *info = par->matchinfo;
@ -199,7 +199,7 @@ conntrack_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par)
} }
static bool static bool
conntrack_mt_v2(const struct sk_buff *skb, const struct xt_match_param *par) conntrack_mt_v2(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_conntrack_mtinfo2 *info = par->matchinfo; const struct xt_conntrack_mtinfo2 *info = par->matchinfo;

6
net/netfilter/xt_dccp.c
View File

@ -96,7 +96,7 @@ match_option(u_int8_t option, const struct sk_buff *skb, unsigned int protoff,
} }
static bool static bool
dccp_mt(const struct sk_buff *skb, const struct xt_match_param *par) dccp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_dccp_info *info = par->matchinfo; const struct xt_dccp_info *info = par->matchinfo;
const struct dccp_hdr *dh; const struct dccp_hdr *dh;
@ -107,7 +107,7 @@ dccp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
dh = skb_header_pointer(skb, par->thoff, sizeof(_dh), &_dh); dh = skb_header_pointer(skb, par->thoff, sizeof(_dh), &_dh);
if (dh == NULL) { if (dh == NULL) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
@ -120,7 +120,7 @@ dccp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
&& DCCHECK(match_types(dh, info->typemask), && DCCHECK(match_types(dh, info->typemask),
XT_DCCP_TYPE, info->flags, info->invflags) XT_DCCP_TYPE, info->flags, info->invflags)
&& DCCHECK(match_option(info->option, skb, par->thoff, dh, && DCCHECK(match_option(info->option, skb, par->thoff, dh,
par->hotdrop), &par->hotdrop),
XT_DCCP_OPTION, info->flags, info->invflags); XT_DCCP_OPTION, info->flags, info->invflags);
} }

6
net/netfilter/xt_dscp.c
View File

@ -25,7 +25,7 @@ MODULE_ALIAS("ipt_tos");
MODULE_ALIAS("ip6t_tos"); MODULE_ALIAS("ip6t_tos");
static bool static bool
dscp_mt(const struct sk_buff *skb, const struct xt_match_param *par) dscp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_dscp_info *info = par->matchinfo; const struct xt_dscp_info *info = par->matchinfo;
u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT; u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT;
@ -34,7 +34,7 @@ dscp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
} }
static bool static bool
dscp_mt6(const struct sk_buff *skb, const struct xt_match_param *par) dscp_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_dscp_info *info = par->matchinfo; const struct xt_dscp_info *info = par->matchinfo;
u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT; u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT;
@ -54,7 +54,7 @@ static int dscp_mt_check(const struct xt_mtchk_param *par)
return 0; return 0;
} }
static bool tos_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool tos_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_tos_match_info *info = par->matchinfo; const struct xt_tos_match_info *info = par->matchinfo;

4
net/netfilter/xt_esp.c
View File

@ -36,7 +36,7 @@ spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, bool invert)
return r; return r;
} }
static bool esp_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool esp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ip_esp_hdr *eh; const struct ip_esp_hdr *eh;
struct ip_esp_hdr _esp; struct ip_esp_hdr _esp;
@ -52,7 +52,7 @@ static bool esp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
* can't. Hence, no choice but to drop. * can't. Hence, no choice but to drop.
*/ */
pr_debug("Dropping evil ESP tinygram.\n"); pr_debug("Dropping evil ESP tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

4
net/netfilter/xt_hashlimit.c
View File

@ -516,7 +516,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
} }
static bool static bool
hashlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par) hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_hashlimit_mtinfo1 *info = par->matchinfo; const struct xt_hashlimit_mtinfo1 *info = par->matchinfo;
struct xt_hashlimit_htable *hinfo = info->hinfo; struct xt_hashlimit_htable *hinfo = info->hinfo;
@ -562,7 +562,7 @@ hashlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return info->cfg.mode & XT_HASHLIMIT_INVERT; return info->cfg.mode & XT_HASHLIMIT_INVERT;
hotdrop: hotdrop:
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

2
net/netfilter/xt_helper.c
View File

@ -24,7 +24,7 @@ MODULE_ALIAS("ip6t_helper");
static bool static bool
helper_mt(const struct sk_buff *skb, const struct xt_match_param *par) helper_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_helper_info *info = par->matchinfo; const struct xt_helper_info *info = par->matchinfo;
const struct nf_conn *ct; const struct nf_conn *ct;

4
net/netfilter/xt_hl.c
View File

@ -25,7 +25,7 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("ipt_ttl"); MODULE_ALIAS("ipt_ttl");
MODULE_ALIAS("ip6t_hl"); MODULE_ALIAS("ip6t_hl");
static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ipt_ttl_info *info = par->matchinfo; const struct ipt_ttl_info *info = par->matchinfo;
const u8 ttl = ip_hdr(skb)->ttl; const u8 ttl = ip_hdr(skb)->ttl;
@ -44,7 +44,7 @@ static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return false; return false;
} }
static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par) static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct ip6t_hl_info *info = par->matchinfo; const struct ip6t_hl_info *info = par->matchinfo;
const struct ipv6hdr *ip6h = ipv6_hdr(skb); const struct ipv6hdr *ip6h = ipv6_hdr(skb);

4
net/netfilter/xt_iprange.c
View File

@ -17,7 +17,7 @@
#include <linux/netfilter/xt_iprange.h> #include <linux/netfilter/xt_iprange.h>
static bool static bool
iprange_mt4(const struct sk_buff *skb, const struct xt_match_param *par) iprange_mt4(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_iprange_mtinfo *info = par->matchinfo; const struct xt_iprange_mtinfo *info = par->matchinfo;
const struct iphdr *iph = ip_hdr(skb); const struct iphdr *iph = ip_hdr(skb);
@ -68,7 +68,7 @@ iprange_ipv6_sub(const struct in6_addr *a, const struct in6_addr *b)
} }
static bool static bool
iprange_mt6(const struct sk_buff *skb, const struct xt_match_param *par) iprange_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_iprange_mtinfo *info = par->matchinfo; const struct xt_iprange_mtinfo *info = par->matchinfo;
const struct ipv6hdr *iph = ipv6_hdr(skb); const struct ipv6hdr *iph = ipv6_hdr(skb);

4
net/netfilter/xt_length.c
View File

@ -21,7 +21,7 @@ MODULE_ALIAS("ipt_length");
MODULE_ALIAS("ip6t_length"); MODULE_ALIAS("ip6t_length");
static bool static bool
length_mt(const struct sk_buff *skb, const struct xt_match_param *par) length_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_length_info *info = par->matchinfo; const struct xt_length_info *info = par->matchinfo;
u_int16_t pktlen = ntohs(ip_hdr(skb)->tot_len); u_int16_t pktlen = ntohs(ip_hdr(skb)->tot_len);
@ -30,7 +30,7 @@ length_mt(const struct sk_buff *skb, const struct xt_match_param *par)
} }
static bool static bool
length_mt6(const struct sk_buff *skb, const struct xt_match_param *par) length_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_length_info *info = par->matchinfo; const struct xt_length_info *info = par->matchinfo;
const u_int16_t pktlen = ntohs(ipv6_hdr(skb)->payload_len) + const u_int16_t pktlen = ntohs(ipv6_hdr(skb)->payload_len) +

2
net/netfilter/xt_limit.c
View File

@ -65,7 +65,7 @@ static DEFINE_SPINLOCK(limit_lock);
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ) #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
static bool static bool
limit_mt(const struct sk_buff *skb, const struct xt_match_param *par) limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_rateinfo *r = par->matchinfo; const struct xt_rateinfo *r = par->matchinfo;
struct xt_limit_priv *priv = r->master; struct xt_limit_priv *priv = r->master;

2
net/netfilter/xt_mac.c
View File

@ -25,7 +25,7 @@ MODULE_DESCRIPTION("Xtables: MAC address match");
MODULE_ALIAS("ipt_mac"); MODULE_ALIAS("ipt_mac");
MODULE_ALIAS("ip6t_mac"); MODULE_ALIAS("ip6t_mac");
static bool mac_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool mac_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_mac_info *info = par->matchinfo; const struct xt_mac_info *info = par->matchinfo;
bool ret; bool ret;

4
net/netfilter/xt_mark.c
View File

@ -25,7 +25,7 @@ MODULE_ALIAS("ipt_MARK");
MODULE_ALIAS("ip6t_MARK"); MODULE_ALIAS("ip6t_MARK");
static unsigned int static unsigned int
mark_tg(struct sk_buff *skb, const struct xt_target_param *par) mark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{ {
const struct xt_mark_tginfo2 *info = par->targinfo; const struct xt_mark_tginfo2 *info = par->targinfo;
@ -34,7 +34,7 @@ mark_tg(struct sk_buff *skb, const struct xt_target_param *par)
} }
static bool static bool
mark_mt(const struct sk_buff *skb, const struct xt_match_param *par) mark_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_mark_mtinfo1 *info = par->matchinfo; const struct xt_mark_mtinfo1 *info = par->matchinfo;

8
net/netfilter/xt_multiport.c
View File

@ -72,7 +72,7 @@ ports_match_v1(const struct xt_multiport_v1 *minfo,
} }
static bool static bool
multiport_mt(const struct sk_buff *skb, const struct xt_match_param *par) multiport_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const __be16 *pptr; const __be16 *pptr;
__be16 _ports[2]; __be16 _ports[2];
@ -87,7 +87,7 @@ multiport_mt(const struct sk_buff *skb, const struct xt_match_param *par)
* can't. Hence, no choice but to drop. * can't. Hence, no choice but to drop.
*/ */
pr_debug("Dropping evil offset=0 tinygram.\n"); pr_debug("Dropping evil offset=0 tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
@ -117,7 +117,7 @@ static int multiport_mt_check(const struct xt_mtchk_param *par)
const struct xt_multiport_v1 *multiinfo = par->matchinfo; const struct xt_multiport_v1 *multiinfo = par->matchinfo;
return check(ip->proto, ip->invflags, multiinfo->flags, return check(ip->proto, ip->invflags, multiinfo->flags,
multiinfo->count); multiinfo->count) ? 0 : -EINVAL;
} }
static int multiport_mt6_check(const struct xt_mtchk_param *par) static int multiport_mt6_check(const struct xt_mtchk_param *par)
@ -126,7 +126,7 @@ static int multiport_mt6_check(const struct xt_mtchk_param *par)
const struct xt_multiport_v1 *multiinfo = par->matchinfo; const struct xt_multiport_v1 *multiinfo = par->matchinfo;
return check(ip->proto, ip->invflags, multiinfo->flags, return check(ip->proto, ip->invflags, multiinfo->flags,
multiinfo->count); multiinfo->count) ? 0 : -EINVAL;
} }
static struct xt_match multiport_mt_reg[] __read_mostly = { static struct xt_match multiport_mt_reg[] __read_mostly = {

4
net/netfilter/xt_osf.c
View File

@ -193,8 +193,8 @@ static inline int xt_osf_ttl(const struct sk_buff *skb, const struct xt_osf_info
return ip->ttl == f_ttl; return ip->ttl == f_ttl;
} }
static bool xt_osf_match_packet(const struct sk_buff *skb, static bool
const struct xt_match_param *p) xt_osf_match_packet(const struct sk_buff *skb, struct xt_action_param *p)
{ {
const struct xt_osf_info *info = p->matchinfo; const struct xt_osf_info *info = p->matchinfo;
const struct iphdr *ip = ip_hdr(skb); const struct iphdr *ip = ip_hdr(skb);

2
net/netfilter/xt_owner.c
View File

@ -18,7 +18,7 @@
#include <linux/netfilter/xt_owner.h> #include <linux/netfilter/xt_owner.h>
static bool static bool
owner_mt(const struct sk_buff *skb, const struct xt_match_param *par) owner_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_owner_match_info *info = par->matchinfo; const struct xt_owner_match_info *info = par->matchinfo;
const struct file *filp; const struct file *filp;

2
net/netfilter/xt_physdev.c
View File

@ -22,7 +22,7 @@ MODULE_ALIAS("ip6t_physdev");
static bool static bool
physdev_mt(const struct sk_buff *skb, const struct xt_match_param *par) physdev_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
const struct xt_physdev_info *info = par->matchinfo; const struct xt_physdev_info *info = par->matchinfo;

2
net/netfilter/xt_pkttype.c
View File

@ -23,7 +23,7 @@ MODULE_ALIAS("ipt_pkttype");
MODULE_ALIAS("ip6t_pkttype"); MODULE_ALIAS("ip6t_pkttype");
static bool static bool
pkttype_mt(const struct sk_buff *skb, const struct xt_match_param *par) pkttype_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_pkttype_info *info = par->matchinfo; const struct xt_pkttype_info *info = par->matchinfo;
u_int8_t type; u_int8_t type;

2
net/netfilter/xt_policy.c
View File

@ -110,7 +110,7 @@ match_policy_out(const struct sk_buff *skb, const struct xt_policy_info *info,
} }
static bool static bool
policy_mt(const struct sk_buff *skb, const struct xt_match_param *par) policy_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_policy_info *info = par->matchinfo; const struct xt_policy_info *info = par->matchinfo;
int ret; int ret;

2
net/netfilter/xt_quota.c
View File

@ -23,7 +23,7 @@ MODULE_ALIAS("ip6t_quota");
static DEFINE_SPINLOCK(quota_lock); static DEFINE_SPINLOCK(quota_lock);
static bool static bool
quota_mt(const struct sk_buff *skb, const struct xt_match_param *par) quota_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct xt_quota_info *q = (void *)par->matchinfo; struct xt_quota_info *q = (void *)par->matchinfo;
struct xt_quota_priv *priv = q->master; struct xt_quota_priv *priv = q->master;

2
net/netfilter/xt_rateest.c
View File

@ -15,7 +15,7 @@
static bool static bool
xt_rateest_mt(const struct sk_buff *skb, const struct xt_match_param *par) xt_rateest_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_rateest_match_info *info = par->matchinfo; const struct xt_rateest_match_info *info = par->matchinfo;
struct gnet_stats_rate_est *r; struct gnet_stats_rate_est *r;

2
net/netfilter/xt_realm.c
View File

@ -22,7 +22,7 @@ MODULE_DESCRIPTION("Xtables: Routing realm match");
MODULE_ALIAS("ipt_realm"); MODULE_ALIAS("ipt_realm");
static bool static bool
realm_mt(const struct sk_buff *skb, const struct xt_match_param *par) realm_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_realm_info *info = par->matchinfo; const struct xt_realm_info *info = par->matchinfo;
const struct dst_entry *dst = skb_dst(skb); const struct dst_entry *dst = skb_dst(skb);

4
net/netfilter/xt_recent.c
View File

@ -224,7 +224,7 @@ static void recent_table_flush(struct recent_table *t)
} }
static bool static bool
recent_mt(const struct sk_buff *skb, const struct xt_match_param *par) recent_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
struct net *net = dev_net(par->in ? par->in : par->out); struct net *net = dev_net(par->in ? par->in : par->out);
struct recent_net *recent_net = recent_pernet(net); struct recent_net *recent_net = recent_pernet(net);
@ -268,7 +268,7 @@ recent_mt(const struct sk_buff *skb, const struct xt_match_param *par)
goto out; goto out;
e = recent_entry_init(t, &addr, par->family, ttl); e = recent_entry_init(t, &addr, par->family, ttl);
if (e == NULL) if (e == NULL)
*par->hotdrop = true; par->hotdrop = true;
ret = !ret; ret = !ret;
goto out; goto out;
} }

6
net/netfilter/xt_sctp.c
View File

@ -114,7 +114,7 @@ match_packet(const struct sk_buff *skb,
} }
static bool static bool
sctp_mt(const struct sk_buff *skb, const struct xt_match_param *par) sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_sctp_info *info = par->matchinfo; const struct xt_sctp_info *info = par->matchinfo;
const sctp_sctphdr_t *sh; const sctp_sctphdr_t *sh;
@ -128,7 +128,7 @@ sctp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
sh = skb_header_pointer(skb, par->thoff, sizeof(_sh), &_sh); sh = skb_header_pointer(skb, par->thoff, sizeof(_sh), &_sh);
if (sh == NULL) { if (sh == NULL) {
pr_debug("Dropping evil TCP offset=0 tinygram.\n"); pr_debug("Dropping evil TCP offset=0 tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
pr_debug("spt: %d\tdpt: %d\n", ntohs(sh->source), ntohs(sh->dest)); pr_debug("spt: %d\tdpt: %d\n", ntohs(sh->source), ntohs(sh->dest));
@ -140,7 +140,7 @@ sctp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
&& ntohs(sh->dest) <= info->dpts[1], && ntohs(sh->dest) <= info->dpts[1],
XT_SCTP_DEST_PORTS, info->flags, info->invflags) XT_SCTP_DEST_PORTS, info->flags, info->invflags)
&& SCCHECK(match_packet(skb, par->thoff + sizeof(sctp_sctphdr_t), && SCCHECK(match_packet(skb, par->thoff + sizeof(sctp_sctphdr_t),
info, par->hotdrop), info, &par->hotdrop),
XT_SCTP_CHUNK_TYPES, info->flags, info->invflags); XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
} }

6
net/netfilter/xt_socket.c
View File

@ -88,7 +88,7 @@ extract_icmp_fields(const struct sk_buff *skb,
static bool static bool
socket_match(const struct sk_buff *skb, const struct xt_match_param *par, socket_match(const struct sk_buff *skb, struct xt_action_param *par,
const struct xt_socket_mtinfo1 *info) const struct xt_socket_mtinfo1 *info)
{ {
const struct iphdr *iph = ip_hdr(skb); const struct iphdr *iph = ip_hdr(skb);
@ -174,13 +174,13 @@ socket_match(const struct sk_buff *skb, const struct xt_match_param *par,
} }
static bool static bool
socket_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) socket_mt_v0(const struct sk_buff *skb, struct xt_action_param *par)
{ {
return socket_match(skb, par, NULL); return socket_match(skb, par, NULL);
} }
static bool static bool
socket_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) socket_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
{ {
return socket_match(skb, par, par->matchinfo); return socket_match(skb, par, par->matchinfo);
} }

2
net/netfilter/xt_state.c
View File

@ -21,7 +21,7 @@ MODULE_ALIAS("ipt_state");
MODULE_ALIAS("ip6t_state"); MODULE_ALIAS("ip6t_state");
static bool static bool
state_mt(const struct sk_buff *skb, const struct xt_match_param *par) state_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_state_info *sinfo = par->matchinfo; const struct xt_state_info *sinfo = par->matchinfo;
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;

2
net/netfilter/xt_statistic.c
View File

@ -30,7 +30,7 @@ MODULE_ALIAS("ip6t_statistic");
static DEFINE_SPINLOCK(nth_lock); static DEFINE_SPINLOCK(nth_lock);
static bool static bool
statistic_mt(const struct sk_buff *skb, const struct xt_match_param *par) statistic_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_statistic_info *info = par->matchinfo; const struct xt_statistic_info *info = par->matchinfo;
bool ret = info->flags & XT_STATISTIC_INVERT; bool ret = info->flags & XT_STATISTIC_INVERT;

2
net/netfilter/xt_string.c
View File

@ -23,7 +23,7 @@ MODULE_ALIAS("ipt_string");
MODULE_ALIAS("ip6t_string"); MODULE_ALIAS("ip6t_string");
static bool static bool
string_mt(const struct sk_buff *skb, const struct xt_match_param *par) string_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_string_info *conf = par->matchinfo; const struct xt_string_info *conf = par->matchinfo;
struct ts_state state; struct ts_state state;

4
net/netfilter/xt_tcpmss.c
View File

@ -25,7 +25,7 @@ MODULE_ALIAS("ipt_tcpmss");
MODULE_ALIAS("ip6t_tcpmss"); MODULE_ALIAS("ip6t_tcpmss");
static bool static bool
tcpmss_mt(const struct sk_buff *skb, const struct xt_match_param *par) tcpmss_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_tcpmss_match_info *info = par->matchinfo; const struct xt_tcpmss_match_info *info = par->matchinfo;
const struct tcphdr *th; const struct tcphdr *th;
@ -73,7 +73,7 @@ out:
return info->invert; return info->invert;
dropit: dropit:
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

14
net/netfilter/xt_tcpudp.c
View File

@ -62,7 +62,7 @@ tcp_find_option(u_int8_t option,
return invert; return invert;
} }
static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool tcp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct tcphdr *th; const struct tcphdr *th;
struct tcphdr _tcph; struct tcphdr _tcph;
@ -77,7 +77,7 @@ static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
*/ */
if (par->fragoff == 1) { if (par->fragoff == 1) {
pr_debug("Dropping evil TCP offset=1 frag.\n"); pr_debug("Dropping evil TCP offset=1 frag.\n");
*par->hotdrop = true; par->hotdrop = true;
} }
/* Must not be a fragment. */ /* Must not be a fragment. */
return false; return false;
@ -90,7 +90,7 @@ static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
/* We've been asked to examine this packet, and we /* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */ can't. Hence, no choice but to drop. */
pr_debug("Dropping evil TCP offset=0 tinygram.\n"); pr_debug("Dropping evil TCP offset=0 tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
@ -108,13 +108,13 @@ static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return false; return false;
if (tcpinfo->option) { if (tcpinfo->option) {
if (th->doff * 4 < sizeof(_tcph)) { if (th->doff * 4 < sizeof(_tcph)) {
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }
if (!tcp_find_option(tcpinfo->option, skb, par->thoff, if (!tcp_find_option(tcpinfo->option, skb, par->thoff,
th->doff*4 - sizeof(_tcph), th->doff*4 - sizeof(_tcph),
tcpinfo->invflags & XT_TCP_INV_OPTION, tcpinfo->invflags & XT_TCP_INV_OPTION,
par->hotdrop)) &par->hotdrop))
return false; return false;
} }
return true; return true;
@ -128,7 +128,7 @@ static int tcp_mt_check(const struct xt_mtchk_param *par)
return (tcpinfo->invflags & ~XT_TCP_INV_MASK) ? -EINVAL : 0; return (tcpinfo->invflags & ~XT_TCP_INV_MASK) ? -EINVAL : 0;
} }
static bool udp_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool udp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct udphdr *uh; const struct udphdr *uh;
struct udphdr _udph; struct udphdr _udph;
@ -143,7 +143,7 @@ static bool udp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
/* We've been asked to examine this packet, and we /* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */ can't. Hence, no choice but to drop. */
pr_debug("Dropping evil UDP tinygram.\n"); pr_debug("Dropping evil UDP tinygram.\n");
*par->hotdrop = true; par->hotdrop = true;
return false; return false;
} }

2
net/netfilter/xt_time.c
View File

@ -152,7 +152,7 @@ static void localtime_3(struct xtm *r, time_t time)
} }
static bool static bool
time_mt(const struct sk_buff *skb, const struct xt_match_param *par) time_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_time_info *info = par->matchinfo; const struct xt_time_info *info = par->matchinfo;
unsigned int packet_time; unsigned int packet_time;

2
net/netfilter/xt_u32.c
View File

@ -86,7 +86,7 @@ static bool u32_match_it(const struct xt_u32 *data,
return true; return true;
} }
static bool u32_mt(const struct sk_buff *skb, const struct xt_match_param *par) static bool u32_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_u32 *data = par->matchinfo; const struct xt_u32 *data = par->matchinfo;
bool ret; bool ret;

2
net/sched/act_ipt.c
View File

@ -199,7 +199,7 @@ static int tcf_ipt(struct sk_buff *skb, struct tc_action *a,
{ {
int ret = 0, result = 0; int ret = 0, result = 0;
struct tcf_ipt *ipt = a->priv; struct tcf_ipt *ipt = a->priv;
struct xt_target_param par; struct xt_action_param par;
if (skb_cloned(skb)) { if (skb_cloned(skb)) {
if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC))