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netfilter: xtables: resolve indirect macros 1/3

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Many of the used macros are just there for userspace compatibility.
Substitute the in-kernel code to directly use the terminal macro
and stuff the defines into #ifndef __KERNEL__ sections.

Signed-off-by: Jan Engelhardt <[email protected]>
This commit is contained in:
Jan Engelhardt 2010-10-13 15:56:56 +02:00
commit 12b00c2c02
6 changed files with 35 additions and 30 deletions
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10
net/ipv4/netfilter/arp_tables.c
View file

@ -895,7 +895,7 @@ static int compat_table_info(const struct xt_table_info *info,
static int get_info(struct net *net, void __user *user,
const int *len, int compat)
{
char name[ARPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
struct xt_table *t;
int ret;
@ -908,7 +908,7 @@ static int get_info(struct net *net, void __user *user,
if (copy_from_user(name, user, sizeof(name)) != 0)
return -EFAULT;
name[ARPT_TABLE_MAXNAMELEN-1] = '\0';
name[XT_TABLE_MAXNAMELEN-1] = '\0';
#ifdef CONFIG_COMPAT
if (compat)
xt_compat_lock(NFPROTO_ARP);
@ -1474,7 +1474,7 @@ out_unlock:
}
struct compat_arpt_replace {
char name[ARPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
u32 valid_hooks;
u32 num_entries;
u32 size;
@ -1628,7 +1628,7 @@ static int compat_copy_entries_to_user(unsigned int total_size,
}
struct compat_arpt_get_entries {
char name[ARPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
compat_uint_t size;
struct compat_arpt_entry entrytable[0];
};
@ -1840,7 +1840,7 @@ static struct xt_target arpt_builtin_tg[] __read_mostly = {
{
.name = ARPT_ERROR_TARGET,
.target = arpt_error,
.targetsize = ARPT_FUNCTION_MAXNAMELEN,
.targetsize = XT_FUNCTION_MAXNAMELEN,
.family = NFPROTO_ARP,
},
};

12
net/ipv4/netfilter/ip_tables.c
View file

@ -1092,7 +1092,7 @@ static int compat_table_info(const struct xt_table_info *info,
static int get_info(struct net *net, void __user *user,
const int *len, int compat)
{
char name[IPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
struct xt_table *t;
int ret;
@ -1105,7 +1105,7 @@ static int get_info(struct net *net, void __user *user,
if (copy_from_user(name, user, sizeof(name)) != 0)
return -EFAULT;
name[IPT_TABLE_MAXNAMELEN-1] = '\0';
name[XT_TABLE_MAXNAMELEN-1] = '\0';
#ifdef CONFIG_COMPAT
if (compat)
xt_compat_lock(AF_INET);
@ -1400,7 +1400,7 @@ do_add_counters(struct net *net, const void __user *user,
#ifdef CONFIG_COMPAT
struct compat_ipt_replace {
char name[IPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
u32 valid_hooks;
u32 num_entries;
u32 size;
@ -1884,7 +1884,7 @@ compat_do_ipt_set_ctl(struct sock *sk, int cmd, void __user *user,
}
struct compat_ipt_get_entries {
char name[IPT_TABLE_MAXNAMELEN];
char name[XT_TABLE_MAXNAMELEN];
compat_uint_t size;
struct compat_ipt_entry entrytable[0];
};
@ -2039,7 +2039,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
case IPT_SO_GET_REVISION_MATCH:
case IPT_SO_GET_REVISION_TARGET: {
struct ipt_get_revision rev;
struct xt_get_revision rev;
int target;
if (*len != sizeof(rev)) {
@ -2188,7 +2188,7 @@ static struct xt_target ipt_builtin_tg[] __read_mostly = {
{
.name = IPT_ERROR_TARGET,
.target = ipt_error,
.targetsize = IPT_FUNCTION_MAXNAMELEN,
.targetsize = XT_FUNCTION_MAXNAMELEN,
.family = NFPROTO_IPV4,
},
};