unifdef-y += nf_conntrack_ftp.h
unifdef-y += nf_conntrack_tcp.h
unifdef-y += nfnetlink.h
+unifdef-y += nfnetlink_compat.h
unifdef-y += x_tables.h
unifdef-y += xt_physdev.h
#ifndef _NFNETLINK_H
#define _NFNETLINK_H
#include <linux/types.h>
-
-#ifndef __KERNEL__
-/* nfnetlink groups: Up to 32 maximum - backwards compatibility for userspace */
-#define NF_NETLINK_CONNTRACK_NEW 0x00000001
-#define NF_NETLINK_CONNTRACK_UPDATE 0x00000002
-#define NF_NETLINK_CONNTRACK_DESTROY 0x00000004
-#define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008
-#define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010
-#define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020
-#endif
+#include <linux/netfilter/nfnetlink_compat.h>
enum nfnetlink_groups {
NFNLGRP_NONE,
};
#define NFNLGRP_MAX (__NFNLGRP_MAX - 1)
-/* Generic structure for encapsulation optional netfilter information.
- * It is reminiscent of sockaddr, but with sa_family replaced
- * with attribute type.
- * ! This should someday be put somewhere generic as now rtnetlink and
- * ! nfnetlink use the same attributes methods. - J. Schulist.
- */
-
-struct nfattr
-{
- u_int16_t nfa_len;
- u_int16_t nfa_type; /* we use 15 bits for the type, and the highest
- * bit to indicate whether the payload is nested */
-};
-
-/* FIXME: Apart from NFNL_NFA_NESTED shamelessly copy and pasted from
- * rtnetlink.h, it's time to put this in a generic file */
-
-#define NFNL_NFA_NEST 0x8000
-#define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff)
-
-#define NFA_ALIGNTO 4
-#define NFA_ALIGN(len) (((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1))
-#define NFA_OK(nfa,len) ((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) \
- && (nfa)->nfa_len <= (len))
-#define NFA_NEXT(nfa,attrlen) ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), \
- (struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len)))
-#define NFA_LENGTH(len) (NFA_ALIGN(sizeof(struct nfattr)) + (len))
-#define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len))
-#define NFA_DATA(nfa) ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
-#define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
-#define NFA_NEST(skb, type) \
-({ struct nfattr *__start = (struct nfattr *)skb_tail_pointer(skb); \
- NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); \
- __start; })
-#define NFA_NEST_END(skb, start) \
-({ (start)->nfa_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
- (skb)->len; })
-#define NFA_NEST_CANCEL(skb, start) \
-({ if (start) \
- skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
- -1; })
-
/* General form of address family dependent message.
*/
struct nfgenmsg {
#define NFNETLINK_V0 0
-#define NFM_NFA(n) ((struct nfattr *)(((char *)(n)) \
- + NLMSG_ALIGN(sizeof(struct nfgenmsg))))
-#define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg))
-
/* netfilter netlink message types are split in two pieces:
* 8 bit subsystem, 8bit operation.
*/
#include <linux/netlink.h>
#include <linux/capability.h>
+#include <net/netlink.h>
struct nfnl_callback
{
int (*call)(struct sock *nl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[]);
- u_int16_t attr_count; /* number of nfattr's */
+ struct nlmsghdr *nlh, struct nlattr *cda[]);
+ u_int16_t attr_count; /* number of nlattr's */
};
struct nfnetlink_subsystem
const struct nfnl_callback *cb; /* callback for individual types */
};
-extern void __nfa_fill(struct sk_buff *skb, int attrtype,
- int attrlen, const void *data);
-#define NFA_PUT(skb, attrtype, attrlen, data) \
-({ if (skb_tailroom(skb) < (int)NFA_SPACE(attrlen)) goto nfattr_failure; \
- __nfa_fill(skb, attrtype, attrlen, data); })
-
extern int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
-extern void nfattr_parse(struct nfattr *tb[], int maxattr,
- struct nfattr *nfa, int len);
-
-#define nfattr_parse_nested(tb, max, nfa) \
- nfattr_parse((tb), (max), NFA_DATA((nfa)), NFA_PAYLOAD((nfa)))
-
#define nfattr_bad_size(tb, max, cta_min) \
({ int __i, __res = 0; \
- for (__i=0; __i<max; __i++) { \
+ for (__i=1; __i <= max; __i++) { \
if (!cta_min[__i]) \
continue; \
- if (tb[__i] && NFA_PAYLOAD(tb[__i]) < cta_min[__i]){ \
+ if (tb[__i] && nla_len(tb[__i]) < cta_min[__i]){ \
__res = 1; \
break; \
} \
--- /dev/null
+#ifndef _NFNETLINK_COMPAT_H
+#define _NFNETLINK_COMPAT_H
+#ifndef __KERNEL
+/* Old nfnetlink macros for userspace */
+
+/* nfnetlink groups: Up to 32 maximum */
+#define NF_NETLINK_CONNTRACK_NEW 0x00000001
+#define NF_NETLINK_CONNTRACK_UPDATE 0x00000002
+#define NF_NETLINK_CONNTRACK_DESTROY 0x00000004
+#define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008
+#define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010
+#define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020
+
+/* Generic structure for encapsulation optional netfilter information.
+ * It is reminiscent of sockaddr, but with sa_family replaced
+ * with attribute type.
+ * ! This should someday be put somewhere generic as now rtnetlink and
+ * ! nfnetlink use the same attributes methods. - J. Schulist.
+ */
+
+struct nfattr
+{
+ u_int16_t nfa_len;
+ u_int16_t nfa_type; /* we use 15 bits for the type, and the highest
+ * bit to indicate whether the payload is nested */
+};
+
+/* FIXME: Apart from NFNL_NFA_NESTED shamelessly copy and pasted from
+ * rtnetlink.h, it's time to put this in a generic file */
+
+#define NFNL_NFA_NEST 0x8000
+#define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff)
+
+#define NFA_ALIGNTO 4
+#define NFA_ALIGN(len) (((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1))
+#define NFA_OK(nfa,len) ((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) \
+ && (nfa)->nfa_len <= (len))
+#define NFA_NEXT(nfa,attrlen) ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), \
+ (struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len)))
+#define NFA_LENGTH(len) (NFA_ALIGN(sizeof(struct nfattr)) + (len))
+#define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len))
+#define NFA_DATA(nfa) ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
+#define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
+#define NFA_NEST(skb, type) \
+({ struct nfattr *__start = (struct nfattr *)skb_tail_pointer(skb); \
+ NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); \
+ __start; })
+#define NFA_NEST_END(skb, start) \
+({ (start)->nfa_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
+ (skb)->len; })
+#define NFA_NEST_CANCEL(skb, start) \
+({ if (start) \
+ skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
+ -1; })
+
+#define NFM_NFA(n) ((struct nfattr *)(((char *)(n)) \
+ + NLMSG_ALIGN(sizeof(struct nfgenmsg))))
+#define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg))
+
+#endif /* ! __KERNEL__ */
+#endif /* _NFNETLINK_COMPAT_H */
#ifndef _NF_CONNTRACK_L3PROTO_H
#define _NF_CONNTRACK_L3PROTO_H
+#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <net/netfilter/nf_conntrack.h>
-struct nfattr;
-
struct nf_conntrack_l3proto
{
/* L3 Protocol Family number. ex) PF_INET */
int (*tuple_to_nfattr)(struct sk_buff *skb,
const struct nf_conntrack_tuple *t);
- int (*nfattr_to_tuple)(struct nfattr *tb[],
+ int (*nfattr_to_tuple)(struct nlattr *tb[],
struct nf_conntrack_tuple *t);
#ifdef CONFIG_SYSCTL
#ifndef _NF_CONNTRACK_L4PROTO_H
#define _NF_CONNTRACK_L4PROTO_H
+#include <linux/netlink.h>
#include <net/netfilter/nf_conntrack.h>
struct seq_file;
-struct nfattr;
struct nf_conntrack_l4proto
{
int pf, unsigned int hooknum);
/* convert protoinfo to nfnetink attributes */
- int (*to_nfattr)(struct sk_buff *skb, struct nfattr *nfa,
+ int (*to_nfattr)(struct sk_buff *skb, struct nlattr *nla,
const struct nf_conn *ct);
/* convert nfnetlink attributes to protoinfo */
- int (*from_nfattr)(struct nfattr *tb[], struct nf_conn *ct);
+ int (*from_nfattr)(struct nlattr *tb[], struct nf_conn *ct);
int (*tuple_to_nfattr)(struct sk_buff *skb,
const struct nf_conntrack_tuple *t);
- int (*nfattr_to_tuple)(struct nfattr *tb[],
+ int (*nfattr_to_tuple)(struct nlattr *tb[],
struct nf_conntrack_tuple *t);
#ifdef CONFIG_SYSCTL
/* Generic netlink helpers */
extern int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple);
-extern int nf_ct_port_nfattr_to_tuple(struct nfattr *tb[],
+extern int nf_ct_port_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *t);
/* Log invalid packets */
int (*range_to_nfattr)(struct sk_buff *skb,
const struct nf_nat_range *range);
- int (*nfattr_to_range)(struct nfattr *tb[],
+ int (*nfattr_to_range)(struct nlattr *tb[],
struct nf_nat_range *range);
};
extern int nf_nat_port_range_to_nfattr(struct sk_buff *skb,
const struct nf_nat_range *range);
-extern int nf_nat_port_nfattr_to_range(struct nfattr *tb[],
+extern int nf_nat_port_nfattr_to_range(struct nlattr *tb[],
struct nf_nat_range *range);
#endif /*_NF_NAT_PROTO_H*/
static int ipv4_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NFA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t),
+ NLA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t),
&tuple->src.u3.ip);
- NFA_PUT(skb, CTA_IP_V4_DST, sizeof(u_int32_t),
+ NLA_PUT(skb, CTA_IP_V4_DST, sizeof(u_int32_t),
&tuple->dst.u3.ip);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
-static const size_t cta_min_ip[CTA_IP_MAX] = {
- [CTA_IP_V4_SRC-1] = sizeof(u_int32_t),
- [CTA_IP_V4_DST-1] = sizeof(u_int32_t),
+static const size_t cta_min_ip[CTA_IP_MAX+1] = {
+ [CTA_IP_V4_SRC] = sizeof(u_int32_t),
+ [CTA_IP_V4_DST] = sizeof(u_int32_t),
};
-static int ipv4_nfattr_to_tuple(struct nfattr *tb[],
+static int ipv4_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *t)
{
- if (!tb[CTA_IP_V4_SRC-1] || !tb[CTA_IP_V4_DST-1])
+ if (!tb[CTA_IP_V4_SRC] || !tb[CTA_IP_V4_DST])
return -EINVAL;
if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
return -EINVAL;
- t->src.u3.ip = *(__be32 *)NFA_DATA(tb[CTA_IP_V4_SRC-1]);
- t->dst.u3.ip = *(__be32 *)NFA_DATA(tb[CTA_IP_V4_DST-1]);
+ t->src.u3.ip = *(__be32 *)nla_data(tb[CTA_IP_V4_SRC]);
+ t->dst.u3.ip = *(__be32 *)nla_data(tb[CTA_IP_V4_DST]);
return 0;
}
static int icmp_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *t)
{
- NFA_PUT(skb, CTA_PROTO_ICMP_ID, sizeof(u_int16_t),
+ NLA_PUT(skb, CTA_PROTO_ICMP_ID, sizeof(u_int16_t),
&t->src.u.icmp.id);
- NFA_PUT(skb, CTA_PROTO_ICMP_TYPE, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTO_ICMP_TYPE, sizeof(u_int8_t),
&t->dst.u.icmp.type);
- NFA_PUT(skb, CTA_PROTO_ICMP_CODE, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTO_ICMP_CODE, sizeof(u_int8_t),
&t->dst.u.icmp.code);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
-static const size_t cta_min_proto[CTA_PROTO_MAX] = {
- [CTA_PROTO_ICMP_TYPE-1] = sizeof(u_int8_t),
- [CTA_PROTO_ICMP_CODE-1] = sizeof(u_int8_t),
- [CTA_PROTO_ICMP_ID-1] = sizeof(u_int16_t)
+static const size_t cta_min_proto[CTA_PROTO_MAX+1] = {
+ [CTA_PROTO_ICMP_TYPE] = sizeof(u_int8_t),
+ [CTA_PROTO_ICMP_CODE] = sizeof(u_int8_t),
+ [CTA_PROTO_ICMP_ID] = sizeof(u_int16_t)
};
-static int icmp_nfattr_to_tuple(struct nfattr *tb[],
+static int icmp_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *tuple)
{
- if (!tb[CTA_PROTO_ICMP_TYPE-1]
- || !tb[CTA_PROTO_ICMP_CODE-1]
- || !tb[CTA_PROTO_ICMP_ID-1])
+ if (!tb[CTA_PROTO_ICMP_TYPE]
+ || !tb[CTA_PROTO_ICMP_CODE]
+ || !tb[CTA_PROTO_ICMP_ID])
return -EINVAL;
if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
return -EINVAL;
tuple->dst.u.icmp.type =
- *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_TYPE-1]);
+ *(u_int8_t *)nla_data(tb[CTA_PROTO_ICMP_TYPE]);
tuple->dst.u.icmp.code =
- *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_CODE-1]);
+ *(u_int8_t *)nla_data(tb[CTA_PROTO_ICMP_CODE]);
tuple->src.u.icmp.id =
- *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
+ *(__be16 *)nla_data(tb[CTA_PROTO_ICMP_ID]);
if (tuple->dst.u.icmp.type >= sizeof(invmap)
|| !invmap[tuple->dst.u.icmp.type])
nf_nat_port_range_to_nfattr(struct sk_buff *skb,
const struct nf_nat_range *range)
{
- NFA_PUT(skb, CTA_PROTONAT_PORT_MIN, sizeof(__be16),
+ NLA_PUT(skb, CTA_PROTONAT_PORT_MIN, sizeof(__be16),
&range->min.tcp.port);
- NFA_PUT(skb, CTA_PROTONAT_PORT_MAX, sizeof(__be16),
+ NLA_PUT(skb, CTA_PROTONAT_PORT_MAX, sizeof(__be16),
&range->max.tcp.port);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
EXPORT_SYMBOL_GPL(nf_nat_port_nfattr_to_range);
int
-nf_nat_port_nfattr_to_range(struct nfattr *tb[], struct nf_nat_range *range)
+nf_nat_port_nfattr_to_range(struct nlattr *tb[], struct nf_nat_range *range)
{
int ret = 0;
/* we have to return whether we actually parsed something or not */
- if (tb[CTA_PROTONAT_PORT_MIN-1]) {
+ if (tb[CTA_PROTONAT_PORT_MIN]) {
ret = 1;
range->min.tcp.port =
- *(__be16 *)NFA_DATA(tb[CTA_PROTONAT_PORT_MIN-1]);
+ *(__be16 *)nla_data(tb[CTA_PROTONAT_PORT_MIN]);
}
- if (!tb[CTA_PROTONAT_PORT_MAX-1]) {
+ if (!tb[CTA_PROTONAT_PORT_MAX]) {
if (ret)
range->max.tcp.port = range->min.tcp.port;
} else {
ret = 1;
range->max.tcp.port =
- *(__be16 *)NFA_DATA(tb[CTA_PROTONAT_PORT_MAX-1]);
+ *(__be16 *)nla_data(tb[CTA_PROTONAT_PORT_MAX]);
}
return ret;
static int ipv6_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NFA_PUT(skb, CTA_IP_V6_SRC, sizeof(u_int32_t) * 4,
+ NLA_PUT(skb, CTA_IP_V6_SRC, sizeof(u_int32_t) * 4,
&tuple->src.u3.ip6);
- NFA_PUT(skb, CTA_IP_V6_DST, sizeof(u_int32_t) * 4,
+ NLA_PUT(skb, CTA_IP_V6_DST, sizeof(u_int32_t) * 4,
&tuple->dst.u3.ip6);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
-static const size_t cta_min_ip[CTA_IP_MAX] = {
- [CTA_IP_V6_SRC-1] = sizeof(u_int32_t)*4,
- [CTA_IP_V6_DST-1] = sizeof(u_int32_t)*4,
+static const size_t cta_min_ip[CTA_IP_MAX+1] = {
+ [CTA_IP_V6_SRC] = sizeof(u_int32_t)*4,
+ [CTA_IP_V6_DST] = sizeof(u_int32_t)*4,
};
-static int ipv6_nfattr_to_tuple(struct nfattr *tb[],
+static int ipv6_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *t)
{
- if (!tb[CTA_IP_V6_SRC-1] || !tb[CTA_IP_V6_DST-1])
+ if (!tb[CTA_IP_V6_SRC] || !tb[CTA_IP_V6_DST])
return -EINVAL;
if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
return -EINVAL;
- memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]),
+ memcpy(&t->src.u3.ip6, nla_data(tb[CTA_IP_V6_SRC]),
sizeof(u_int32_t) * 4);
- memcpy(&t->dst.u3.ip6, NFA_DATA(tb[CTA_IP_V6_DST-1]),
+ memcpy(&t->dst.u3.ip6, nla_data(tb[CTA_IP_V6_DST]),
sizeof(u_int32_t) * 4);
return 0;
static int icmpv6_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *t)
{
- NFA_PUT(skb, CTA_PROTO_ICMPV6_ID, sizeof(u_int16_t),
+ NLA_PUT(skb, CTA_PROTO_ICMPV6_ID, sizeof(u_int16_t),
&t->src.u.icmp.id);
- NFA_PUT(skb, CTA_PROTO_ICMPV6_TYPE, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTO_ICMPV6_TYPE, sizeof(u_int8_t),
&t->dst.u.icmp.type);
- NFA_PUT(skb, CTA_PROTO_ICMPV6_CODE, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTO_ICMPV6_CODE, sizeof(u_int8_t),
&t->dst.u.icmp.code);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
-static const size_t cta_min_proto[CTA_PROTO_MAX] = {
- [CTA_PROTO_ICMPV6_TYPE-1] = sizeof(u_int8_t),
- [CTA_PROTO_ICMPV6_CODE-1] = sizeof(u_int8_t),
- [CTA_PROTO_ICMPV6_ID-1] = sizeof(u_int16_t)
+static const size_t cta_min_proto[CTA_PROTO_MAX+1] = {
+ [CTA_PROTO_ICMPV6_TYPE] = sizeof(u_int8_t),
+ [CTA_PROTO_ICMPV6_CODE] = sizeof(u_int8_t),
+ [CTA_PROTO_ICMPV6_ID] = sizeof(u_int16_t)
};
-static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
+static int icmpv6_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *tuple)
{
- if (!tb[CTA_PROTO_ICMPV6_TYPE-1]
- || !tb[CTA_PROTO_ICMPV6_CODE-1]
- || !tb[CTA_PROTO_ICMPV6_ID-1])
+ if (!tb[CTA_PROTO_ICMPV6_TYPE]
+ || !tb[CTA_PROTO_ICMPV6_CODE]
+ || !tb[CTA_PROTO_ICMPV6_ID])
return -EINVAL;
if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
return -EINVAL;
tuple->dst.u.icmp.type =
- *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_TYPE-1]);
+ *(u_int8_t *)nla_data(tb[CTA_PROTO_ICMPV6_TYPE]);
tuple->dst.u.icmp.code =
- *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_CODE-1]);
+ *(u_int8_t *)nla_data(tb[CTA_PROTO_ICMPV6_CODE]);
tuple->src.u.icmp.id =
- *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
+ *(__be16 *)nla_data(tb[CTA_PROTO_ICMPV6_ID]);
if (tuple->dst.u.icmp.type < 128
|| tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
#include <linux/netfilter/nfnetlink_conntrack.h>
#include <linux/mutex.h>
-
/* Generic function for tcp/udp/sctp/dccp and alike. This needs to be
* in ip_conntrack_core, since we don't want the protocols to autoload
* or depend on ctnetlink */
int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NFA_PUT(skb, CTA_PROTO_SRC_PORT, sizeof(u_int16_t),
+ NLA_PUT(skb, CTA_PROTO_SRC_PORT, sizeof(u_int16_t),
&tuple->src.u.tcp.port);
- NFA_PUT(skb, CTA_PROTO_DST_PORT, sizeof(u_int16_t),
+ NLA_PUT(skb, CTA_PROTO_DST_PORT, sizeof(u_int16_t),
&tuple->dst.u.tcp.port);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
EXPORT_SYMBOL_GPL(nf_ct_port_tuple_to_nfattr);
-static const size_t cta_min_proto[CTA_PROTO_MAX] = {
- [CTA_PROTO_SRC_PORT-1] = sizeof(u_int16_t),
- [CTA_PROTO_DST_PORT-1] = sizeof(u_int16_t)
+static const size_t cta_min_proto[CTA_PROTO_MAX+1] = {
+ [CTA_PROTO_SRC_PORT] = sizeof(u_int16_t),
+ [CTA_PROTO_DST_PORT] = sizeof(u_int16_t)
};
-int nf_ct_port_nfattr_to_tuple(struct nfattr *tb[],
+int nf_ct_port_nfattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *t)
{
- if (!tb[CTA_PROTO_SRC_PORT-1] || !tb[CTA_PROTO_DST_PORT-1])
+ if (!tb[CTA_PROTO_SRC_PORT] || !tb[CTA_PROTO_DST_PORT])
return -EINVAL;
if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
return -EINVAL;
- t->src.u.tcp.port = *(__be16 *)NFA_DATA(tb[CTA_PROTO_SRC_PORT-1]);
- t->dst.u.tcp.port = *(__be16 *)NFA_DATA(tb[CTA_PROTO_DST_PORT-1]);
+ t->src.u.tcp.port = *(__be16 *)nla_data(tb[CTA_PROTO_SRC_PORT]);
+ t->dst.u.tcp.port = *(__be16 *)nla_data(tb[CTA_PROTO_DST_PORT]);
return 0;
}
struct nf_conntrack_l4proto *l4proto)
{
int ret = 0;
- struct nfattr *nest_parms = NFA_NEST(skb, CTA_TUPLE_PROTO);
+ struct nlattr *nest_parms;
- NFA_PUT(skb, CTA_PROTO_NUM, sizeof(u_int8_t), &tuple->dst.protonum);
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_PROTO | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
+ NLA_PUT(skb, CTA_PROTO_NUM, sizeof(u_int8_t), &tuple->dst.protonum);
if (likely(l4proto->tuple_to_nfattr))
ret = l4proto->tuple_to_nfattr(skb, tuple);
- NFA_NEST_END(skb, nest_parms);
+ nla_nest_end(skb, nest_parms);
return ret;
-nfattr_failure:
+nla_put_failure:
return -1;
}
struct nf_conntrack_l3proto *l3proto)
{
int ret = 0;
- struct nfattr *nest_parms = NFA_NEST(skb, CTA_TUPLE_IP);
+ struct nlattr *nest_parms;
+
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_IP | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (likely(l3proto->tuple_to_nfattr))
ret = l3proto->tuple_to_nfattr(skb, tuple);
- NFA_NEST_END(skb, nest_parms);
+ nla_nest_end(skb, nest_parms);
return ret;
-nfattr_failure:
+nla_put_failure:
return -1;
}
ctnetlink_dump_status(struct sk_buff *skb, const struct nf_conn *ct)
{
__be32 status = htonl((u_int32_t) ct->status);
- NFA_PUT(skb, CTA_STATUS, sizeof(status), &status);
+ NLA_PUT(skb, CTA_STATUS, sizeof(status), &status);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
else
timeout = htonl(timeout_l / HZ);
- NFA_PUT(skb, CTA_TIMEOUT, sizeof(timeout), &timeout);
+ NLA_PUT(skb, CTA_TIMEOUT, sizeof(timeout), &timeout);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
ctnetlink_dump_protoinfo(struct sk_buff *skb, const struct nf_conn *ct)
{
struct nf_conntrack_l4proto *l4proto = nf_ct_l4proto_find_get(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num, ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum);
- struct nfattr *nest_proto;
+ struct nlattr *nest_proto;
int ret;
if (!l4proto->to_nfattr) {
return 0;
}
- nest_proto = NFA_NEST(skb, CTA_PROTOINFO);
+ nest_proto = nla_nest_start(skb, CTA_PROTOINFO | NLA_F_NESTED);
+ if (!nest_proto)
+ goto nla_put_failure;
ret = l4proto->to_nfattr(skb, nest_proto, ct);
nf_ct_l4proto_put(l4proto);
- NFA_NEST_END(skb, nest_proto);
+ nla_nest_end(skb, nest_proto);
return ret;
-nfattr_failure:
+nla_put_failure:
nf_ct_l4proto_put(l4proto);
return -1;
}
static inline int
ctnetlink_dump_helpinfo(struct sk_buff *skb, const struct nf_conn *ct)
{
- struct nfattr *nest_helper;
+ struct nlattr *nest_helper;
const struct nf_conn_help *help = nfct_help(ct);
struct nf_conntrack_helper *helper;
if (!helper)
goto out;
- nest_helper = NFA_NEST(skb, CTA_HELP);
- NFA_PUT(skb, CTA_HELP_NAME, strlen(helper->name), helper->name);
+ nest_helper = nla_nest_start(skb, CTA_HELP | NLA_F_NESTED);
+ if (!nest_helper)
+ goto nla_put_failure;
+ NLA_PUT(skb, CTA_HELP_NAME, strlen(helper->name), helper->name);
if (helper->to_nfattr)
helper->to_nfattr(skb, ct);
- NFA_NEST_END(skb, nest_helper);
+ nla_nest_end(skb, nest_helper);
out:
rcu_read_unlock();
return 0;
-nfattr_failure:
+nla_put_failure:
rcu_read_unlock();
return -1;
}
enum ip_conntrack_dir dir)
{
enum ctattr_type type = dir ? CTA_COUNTERS_REPLY: CTA_COUNTERS_ORIG;
- struct nfattr *nest_count = NFA_NEST(skb, type);
+ struct nlattr *nest_count;
__be32 tmp;
+ nest_count = nla_nest_start(skb, type | NLA_F_NESTED);
+ if (!nest_count)
+ goto nla_put_failure;
+
tmp = htonl(ct->counters[dir].packets);
- NFA_PUT(skb, CTA_COUNTERS32_PACKETS, sizeof(u_int32_t), &tmp);
+ NLA_PUT(skb, CTA_COUNTERS32_PACKETS, sizeof(u_int32_t), &tmp);
tmp = htonl(ct->counters[dir].bytes);
- NFA_PUT(skb, CTA_COUNTERS32_BYTES, sizeof(u_int32_t), &tmp);
+ NLA_PUT(skb, CTA_COUNTERS32_BYTES, sizeof(u_int32_t), &tmp);
- NFA_NEST_END(skb, nest_count);
+ nla_nest_end(skb, nest_count);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
#else
{
__be32 mark = htonl(ct->mark);
- NFA_PUT(skb, CTA_MARK, sizeof(u_int32_t), &mark);
+ NLA_PUT(skb, CTA_MARK, sizeof(u_int32_t), &mark);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
#else
ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct)
{
__be32 id = htonl(ct->id);
- NFA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id);
+ NLA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
{
__be32 use = htonl(atomic_read(&ct->ct_general.use));
- NFA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
+ NLA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
{
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
- struct nfattr *nest_parms;
+ struct nlattr *nest_parms;
unsigned char *b = skb_tail_pointer(skb);
event |= NFNL_SUBSYS_CTNETLINK << 8;
nfmsg->version = NFNETLINK_V0;
nfmsg->res_id = 0;
- nest_parms = NFA_NEST(skb, CTA_TUPLE_ORIG);
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
- goto nfattr_failure;
- NFA_NEST_END(skb, nest_parms);
+ goto nla_put_failure;
+ nla_nest_end(skb, nest_parms);
- nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
- goto nfattr_failure;
- NFA_NEST_END(skb, nest_parms);
+ goto nla_put_failure;
+ nla_nest_end(skb, nest_parms);
if (ctnetlink_dump_status(skb, ct) < 0 ||
ctnetlink_dump_timeout(skb, ct) < 0 ||
ctnetlink_dump_mark(skb, ct) < 0 ||
ctnetlink_dump_id(skb, ct) < 0 ||
ctnetlink_dump_use(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
nlmsg_failure:
-nfattr_failure:
+nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
{
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
- struct nfattr *nest_parms;
+ struct nlattr *nest_parms;
struct nf_conn *ct = (struct nf_conn *)ptr;
struct sk_buff *skb;
unsigned int type;
nfmsg->version = NFNETLINK_V0;
nfmsg->res_id = 0;
- nest_parms = NFA_NEST(skb, CTA_TUPLE_ORIG);
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
- goto nfattr_failure;
- NFA_NEST_END(skb, nest_parms);
+ goto nla_put_failure;
+ nla_nest_end(skb, nest_parms);
- nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
+ nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
- goto nfattr_failure;
- NFA_NEST_END(skb, nest_parms);
+ goto nla_put_failure;
+ nla_nest_end(skb, nest_parms);
if (events & IPCT_DESTROY) {
if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
} else {
if (ctnetlink_dump_status(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
if (ctnetlink_dump_timeout(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
if (events & IPCT_PROTOINFO
&& ctnetlink_dump_protoinfo(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
if ((events & IPCT_HELPER || nfct_help(ct))
&& ctnetlink_dump_helpinfo(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
#ifdef CONFIG_NF_CONNTRACK_MARK
if ((events & IPCT_MARK || ct->mark)
&& ctnetlink_dump_mark(skb, ct) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
#endif
if (events & IPCT_COUNTER_FILLING &&
(ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0))
- goto nfattr_failure;
+ goto nla_put_failure;
}
nlh->nlmsg_len = skb->tail - b;
return NOTIFY_DONE;
nlmsg_failure:
-nfattr_failure:
+nla_put_failure:
kfree_skb(skb);
return NOTIFY_DONE;
}
}
static inline int
-ctnetlink_parse_tuple_ip(struct nfattr *attr, struct nf_conntrack_tuple *tuple)
+ctnetlink_parse_tuple_ip(struct nlattr *attr, struct nf_conntrack_tuple *tuple)
{
- struct nfattr *tb[CTA_IP_MAX];
+ struct nlattr *tb[CTA_IP_MAX+1];
struct nf_conntrack_l3proto *l3proto;
int ret = 0;
- nfattr_parse_nested(tb, CTA_IP_MAX, attr);
+ nla_parse_nested(tb, CTA_IP_MAX, attr, NULL);
l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
return ret;
}
-static const size_t cta_min_proto[CTA_PROTO_MAX] = {
- [CTA_PROTO_NUM-1] = sizeof(u_int8_t),
+static const size_t cta_min_proto[CTA_PROTO_MAX+1] = {
+ [CTA_PROTO_NUM] = sizeof(u_int8_t),
};
static inline int
-ctnetlink_parse_tuple_proto(struct nfattr *attr,
+ctnetlink_parse_tuple_proto(struct nlattr *attr,
struct nf_conntrack_tuple *tuple)
{
- struct nfattr *tb[CTA_PROTO_MAX];
+ struct nlattr *tb[CTA_PROTO_MAX+1];
struct nf_conntrack_l4proto *l4proto;
int ret = 0;
- nfattr_parse_nested(tb, CTA_PROTO_MAX, attr);
+ nla_parse_nested(tb, CTA_PROTO_MAX, attr, NULL);
if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
return -EINVAL;
- if (!tb[CTA_PROTO_NUM-1])
+ if (!tb[CTA_PROTO_NUM])
return -EINVAL;
- tuple->dst.protonum = *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_NUM-1]);
+ tuple->dst.protonum = *(u_int8_t *)nla_data(tb[CTA_PROTO_NUM]);
l4proto = nf_ct_l4proto_find_get(tuple->src.l3num, tuple->dst.protonum);
}
static inline int
-ctnetlink_parse_tuple(struct nfattr *cda[], struct nf_conntrack_tuple *tuple,
+ctnetlink_parse_tuple(struct nlattr *cda[], struct nf_conntrack_tuple *tuple,
enum ctattr_tuple type, u_int8_t l3num)
{
- struct nfattr *tb[CTA_TUPLE_MAX];
+ struct nlattr *tb[CTA_TUPLE_MAX+1];
int err;
memset(tuple, 0, sizeof(*tuple));
- nfattr_parse_nested(tb, CTA_TUPLE_MAX, cda[type-1]);
+ nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], NULL);
- if (!tb[CTA_TUPLE_IP-1])
+ if (!tb[CTA_TUPLE_IP])
return -EINVAL;
tuple->src.l3num = l3num;
- err = ctnetlink_parse_tuple_ip(tb[CTA_TUPLE_IP-1], tuple);
+ err = ctnetlink_parse_tuple_ip(tb[CTA_TUPLE_IP], tuple);
if (err < 0)
return err;
- if (!tb[CTA_TUPLE_PROTO-1])
+ if (!tb[CTA_TUPLE_PROTO])
return -EINVAL;
- err = ctnetlink_parse_tuple_proto(tb[CTA_TUPLE_PROTO-1], tuple);
+ err = ctnetlink_parse_tuple_proto(tb[CTA_TUPLE_PROTO], tuple);
if (err < 0)
return err;
}
#ifdef CONFIG_NF_NAT_NEEDED
-static const size_t cta_min_protonat[CTA_PROTONAT_MAX] = {
- [CTA_PROTONAT_PORT_MIN-1] = sizeof(u_int16_t),
- [CTA_PROTONAT_PORT_MAX-1] = sizeof(u_int16_t),
+static const size_t cta_min_protonat[CTA_PROTONAT_MAX+1] = {
+ [CTA_PROTONAT_PORT_MIN] = sizeof(u_int16_t),
+ [CTA_PROTONAT_PORT_MAX] = sizeof(u_int16_t),
};
-static int nfnetlink_parse_nat_proto(struct nfattr *attr,
+static int nfnetlink_parse_nat_proto(struct nlattr *attr,
const struct nf_conn *ct,
struct nf_nat_range *range)
{
- struct nfattr *tb[CTA_PROTONAT_MAX];
+ struct nlattr *tb[CTA_PROTONAT_MAX+1];
struct nf_nat_protocol *npt;
- nfattr_parse_nested(tb, CTA_PROTONAT_MAX, attr);
+ nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, NULL);
if (nfattr_bad_size(tb, CTA_PROTONAT_MAX, cta_min_protonat))
return -EINVAL;
return 0;
}
-static const size_t cta_min_nat[CTA_NAT_MAX] = {
- [CTA_NAT_MINIP-1] = sizeof(u_int32_t),
- [CTA_NAT_MAXIP-1] = sizeof(u_int32_t),
+static const size_t cta_min_nat[CTA_NAT_MAX+1] = {
+ [CTA_NAT_MINIP] = sizeof(u_int32_t),
+ [CTA_NAT_MAXIP] = sizeof(u_int32_t),
};
static inline int
-nfnetlink_parse_nat(struct nfattr *nat,
+nfnetlink_parse_nat(struct nlattr *nat,
const struct nf_conn *ct, struct nf_nat_range *range)
{
- struct nfattr *tb[CTA_NAT_MAX];
+ struct nlattr *tb[CTA_NAT_MAX+1];
int err;
memset(range, 0, sizeof(*range));
- nfattr_parse_nested(tb, CTA_NAT_MAX, nat);
+ nla_parse_nested(tb, CTA_NAT_MAX, nat, NULL);
if (nfattr_bad_size(tb, CTA_NAT_MAX, cta_min_nat))
return -EINVAL;
- if (tb[CTA_NAT_MINIP-1])
- range->min_ip = *(__be32 *)NFA_DATA(tb[CTA_NAT_MINIP-1]);
+ if (tb[CTA_NAT_MINIP])
+ range->min_ip = *(__be32 *)nla_data(tb[CTA_NAT_MINIP]);
- if (!tb[CTA_NAT_MAXIP-1])
+ if (!tb[CTA_NAT_MAXIP])
range->max_ip = range->min_ip;
else
- range->max_ip = *(__be32 *)NFA_DATA(tb[CTA_NAT_MAXIP-1]);
+ range->max_ip = *(__be32 *)nla_data(tb[CTA_NAT_MAXIP]);
if (range->min_ip)
range->flags |= IP_NAT_RANGE_MAP_IPS;
- if (!tb[CTA_NAT_PROTO-1])
+ if (!tb[CTA_NAT_PROTO])
return 0;
- err = nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO-1], ct, range);
+ err = nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO], ct, range);
if (err < 0)
return err;
#endif
static inline int
-ctnetlink_parse_help(struct nfattr *attr, char **helper_name)
+ctnetlink_parse_help(struct nlattr *attr, char **helper_name)
{
- struct nfattr *tb[CTA_HELP_MAX];
+ struct nlattr *tb[CTA_HELP_MAX+1];
- nfattr_parse_nested(tb, CTA_HELP_MAX, attr);
+ nla_parse_nested(tb, CTA_HELP_MAX, attr, NULL);
- if (!tb[CTA_HELP_NAME-1])
+ if (!tb[CTA_HELP_NAME])
return -EINVAL;
- *helper_name = NFA_DATA(tb[CTA_HELP_NAME-1]);
+ *helper_name = nla_data(tb[CTA_HELP_NAME]);
return 0;
}
-static const size_t cta_min[CTA_MAX] = {
- [CTA_STATUS-1] = sizeof(u_int32_t),
- [CTA_TIMEOUT-1] = sizeof(u_int32_t),
- [CTA_MARK-1] = sizeof(u_int32_t),
- [CTA_USE-1] = sizeof(u_int32_t),
- [CTA_ID-1] = sizeof(u_int32_t)
+static const size_t cta_min[CTA_MAX+1] = {
+ [CTA_STATUS] = sizeof(u_int32_t),
+ [CTA_TIMEOUT] = sizeof(u_int32_t),
+ [CTA_MARK] = sizeof(u_int32_t),
+ [CTA_USE] = sizeof(u_int32_t),
+ [CTA_ID] = sizeof(u_int32_t)
};
static int
ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
if (nfattr_bad_size(cda, CTA_MAX, cta_min))
return -EINVAL;
- if (cda[CTA_TUPLE_ORIG-1])
+ if (cda[CTA_TUPLE_ORIG])
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3);
- else if (cda[CTA_TUPLE_REPLY-1])
+ else if (cda[CTA_TUPLE_REPLY])
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
else {
/* Flush the whole table */
ct = nf_ct_tuplehash_to_ctrack(h);
- if (cda[CTA_ID-1]) {
- u_int32_t id = ntohl(*(__be32 *)NFA_DATA(cda[CTA_ID-1]));
+ if (cda[CTA_ID]) {
+ u_int32_t id = ntohl(*(__be32 *)nla_data(cda[CTA_ID]));
if (ct->id != id) {
nf_ct_put(ct);
return -ENOENT;
static int
ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
if (nfattr_bad_size(cda, CTA_MAX, cta_min))
return -EINVAL;
- if (cda[CTA_TUPLE_ORIG-1])
+ if (cda[CTA_TUPLE_ORIG])
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3);
- else if (cda[CTA_TUPLE_REPLY-1])
+ else if (cda[CTA_TUPLE_REPLY])
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
else
return -EINVAL;
}
static inline int
-ctnetlink_change_status(struct nf_conn *ct, struct nfattr *cda[])
+ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[])
{
unsigned long d;
- unsigned int status = ntohl(*(__be32 *)NFA_DATA(cda[CTA_STATUS-1]));
+ unsigned int status = ntohl(*(__be32 *)nla_data(cda[CTA_STATUS]));
d = ct->status ^ status;
if (d & (IPS_EXPECTED|IPS_CONFIRMED|IPS_DYING))
/* ASSURED bit can only be set */
return -EINVAL;
- if (cda[CTA_NAT_SRC-1] || cda[CTA_NAT_DST-1]) {
+ if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
#ifndef CONFIG_NF_NAT_NEEDED
return -EINVAL;
#else
struct nf_nat_range range;
- if (cda[CTA_NAT_DST-1]) {
- if (nfnetlink_parse_nat(cda[CTA_NAT_DST-1], ct,
+ if (cda[CTA_NAT_DST]) {
+ if (nfnetlink_parse_nat(cda[CTA_NAT_DST], ct,
&range) < 0)
return -EINVAL;
if (nf_nat_initialized(ct,
return -EEXIST;
nf_nat_setup_info(ct, &range, NF_IP_PRE_ROUTING);
}
- if (cda[CTA_NAT_SRC-1]) {
- if (nfnetlink_parse_nat(cda[CTA_NAT_SRC-1], ct,
+ if (cda[CTA_NAT_SRC]) {
+ if (nfnetlink_parse_nat(cda[CTA_NAT_SRC], ct,
&range) < 0)
return -EINVAL;
if (nf_nat_initialized(ct,
static inline int
-ctnetlink_change_helper(struct nf_conn *ct, struct nfattr *cda[])
+ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[])
{
struct nf_conntrack_helper *helper;
struct nf_conn_help *help = nfct_help(ct);
if (ct->master)
return -EINVAL;
- err = ctnetlink_parse_help(cda[CTA_HELP-1], &helpname);
+ err = ctnetlink_parse_help(cda[CTA_HELP], &helpname);
if (err < 0)
return err;
}
static inline int
-ctnetlink_change_timeout(struct nf_conn *ct, struct nfattr *cda[])
+ctnetlink_change_timeout(struct nf_conn *ct, struct nlattr *cda[])
{
- u_int32_t timeout = ntohl(*(__be32 *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+ u_int32_t timeout = ntohl(*(__be32 *)nla_data(cda[CTA_TIMEOUT]));
if (!del_timer(&ct->timeout))
return -ETIME;
}
static inline int
-ctnetlink_change_protoinfo(struct nf_conn *ct, struct nfattr *cda[])
+ctnetlink_change_protoinfo(struct nf_conn *ct, struct nlattr *cda[])
{
- struct nfattr *tb[CTA_PROTOINFO_MAX], *attr = cda[CTA_PROTOINFO-1];
+ struct nlattr *tb[CTA_PROTOINFO_MAX+1], *attr = cda[CTA_PROTOINFO];
struct nf_conntrack_l4proto *l4proto;
u_int16_t npt = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum;
u_int16_t l3num = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
int err = 0;
- nfattr_parse_nested(tb, CTA_PROTOINFO_MAX, attr);
+ nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, NULL);
l4proto = nf_ct_l4proto_find_get(l3num, npt);
}
static int
-ctnetlink_change_conntrack(struct nf_conn *ct, struct nfattr *cda[])
+ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])
{
int err;
- if (cda[CTA_HELP-1]) {
+ if (cda[CTA_HELP]) {
err = ctnetlink_change_helper(ct, cda);
if (err < 0)
return err;
}
- if (cda[CTA_TIMEOUT-1]) {
+ if (cda[CTA_TIMEOUT]) {
err = ctnetlink_change_timeout(ct, cda);
if (err < 0)
return err;
}
- if (cda[CTA_STATUS-1]) {
+ if (cda[CTA_STATUS]) {
err = ctnetlink_change_status(ct, cda);
if (err < 0)
return err;
}
- if (cda[CTA_PROTOINFO-1]) {
+ if (cda[CTA_PROTOINFO]) {
err = ctnetlink_change_protoinfo(ct, cda);
if (err < 0)
return err;
}
#if defined(CONFIG_NF_CONNTRACK_MARK)
- if (cda[CTA_MARK-1])
- ct->mark = ntohl(*(__be32 *)NFA_DATA(cda[CTA_MARK-1]));
+ if (cda[CTA_MARK])
+ ct->mark = ntohl(*(__be32 *)nla_data(cda[CTA_MARK]));
#endif
return 0;
}
static int
-ctnetlink_create_conntrack(struct nfattr *cda[],
+ctnetlink_create_conntrack(struct nlattr *cda[],
struct nf_conntrack_tuple *otuple,
struct nf_conntrack_tuple *rtuple)
{
if (ct == NULL || IS_ERR(ct))
return -ENOMEM;
- if (!cda[CTA_TIMEOUT-1])
+ if (!cda[CTA_TIMEOUT])
goto err;
- ct->timeout.expires = ntohl(*(__be32 *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+ ct->timeout.expires = ntohl(*(__be32 *)nla_data(cda[CTA_TIMEOUT]));
ct->timeout.expires = jiffies + ct->timeout.expires * HZ;
ct->status |= IPS_CONFIRMED;
- if (cda[CTA_STATUS-1]) {
+ if (cda[CTA_STATUS]) {
err = ctnetlink_change_status(ct, cda);
if (err < 0)
goto err;
}
- if (cda[CTA_PROTOINFO-1]) {
+ if (cda[CTA_PROTOINFO]) {
err = ctnetlink_change_protoinfo(ct, cda);
if (err < 0)
goto err;
}
#if defined(CONFIG_NF_CONNTRACK_MARK)
- if (cda[CTA_MARK-1])
- ct->mark = ntohl(*(__be32 *)NFA_DATA(cda[CTA_MARK-1]));
+ if (cda[CTA_MARK])
+ ct->mark = ntohl(*(__be32 *)nla_data(cda[CTA_MARK]));
#endif
helper = nf_ct_helper_find_get(rtuple);
static int
ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_tuple otuple, rtuple;
struct nf_conntrack_tuple_hash *h = NULL;
if (nfattr_bad_size(cda, CTA_MAX, cta_min))
return -EINVAL;
- if (cda[CTA_TUPLE_ORIG-1]) {
+ if (cda[CTA_TUPLE_ORIG]) {
err = ctnetlink_parse_tuple(cda, &otuple, CTA_TUPLE_ORIG, u3);
if (err < 0)
return err;
}
- if (cda[CTA_TUPLE_REPLY-1]) {
+ if (cda[CTA_TUPLE_REPLY]) {
err = ctnetlink_parse_tuple(cda, &rtuple, CTA_TUPLE_REPLY, u3);
if (err < 0)
return err;
}
write_lock_bh(&nf_conntrack_lock);
- if (cda[CTA_TUPLE_ORIG-1])
+ if (cda[CTA_TUPLE_ORIG])
h = __nf_conntrack_find(&otuple, NULL);
- else if (cda[CTA_TUPLE_REPLY-1])
+ else if (cda[CTA_TUPLE_REPLY])
h = __nf_conntrack_find(&rtuple, NULL);
if (h == NULL) {
err = -EEXIST;
if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
/* we only allow nat config for new conntracks */
- if (cda[CTA_NAT_SRC-1] || cda[CTA_NAT_DST-1]) {
+ if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
err = -EINVAL;
goto out_unlock;
}
const struct nf_conntrack_tuple *tuple,
enum ctattr_expect type)
{
- struct nfattr *nest_parms = NFA_NEST(skb, type);
+ struct nlattr *nest_parms;
+ nest_parms = nla_nest_start(skb, type | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
if (ctnetlink_dump_tuples(skb, tuple) < 0)
- goto nfattr_failure;
-
- NFA_NEST_END(skb, nest_parms);
+ goto nla_put_failure;
+ nla_nest_end(skb, nest_parms);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
struct nf_conntrack_l3proto *l3proto;
struct nf_conntrack_l4proto *l4proto;
struct nf_conntrack_tuple m;
- struct nfattr *nest_parms;
+ struct nlattr *nest_parms;
memset(&m, 0xFF, sizeof(m));
m.src.u.all = mask->src.u.all;
memcpy(&m.src.u3, &mask->src.u3, sizeof(m.src.u3));
- nest_parms = NFA_NEST(skb, CTA_EXPECT_MASK);
+ nest_parms = nla_nest_start(skb, CTA_EXPECT_MASK | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
ret = ctnetlink_dump_tuples_ip(skb, &m, l3proto);
nf_ct_l3proto_put(l3proto);
if (unlikely(ret < 0))
- goto nfattr_failure;
+ goto nla_put_failure;
l4proto = nf_ct_l4proto_find_get(tuple->src.l3num, tuple->dst.protonum);
ret = ctnetlink_dump_tuples_proto(skb, &m, l4proto);
nf_ct_l4proto_put(l4proto);
if (unlikely(ret < 0))
- goto nfattr_failure;
+ goto nla_put_failure;
- NFA_NEST_END(skb, nest_parms);
+ nla_nest_end(skb, nest_parms);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
__be32 id = htonl(exp->id);
if (ctnetlink_exp_dump_tuple(skb, &exp->tuple, CTA_EXPECT_TUPLE) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
if (ctnetlink_exp_dump_mask(skb, &exp->tuple, &exp->mask) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
if (ctnetlink_exp_dump_tuple(skb,
&master->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
CTA_EXPECT_MASTER) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
- NFA_PUT(skb, CTA_EXPECT_TIMEOUT, sizeof(timeout), &timeout);
- NFA_PUT(skb, CTA_EXPECT_ID, sizeof(u_int32_t), &id);
+ NLA_PUT(skb, CTA_EXPECT_TIMEOUT, sizeof(timeout), &timeout);
+ NLA_PUT(skb, CTA_EXPECT_ID, sizeof(u_int32_t), &id);
return 0;
-nfattr_failure:
+nla_put_failure:
return -1;
}
nfmsg->res_id = 0;
if (ctnetlink_exp_dump_expect(skb, exp) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
nlmsg_failure:
-nfattr_failure:
+nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
nfmsg->res_id = 0;
if (ctnetlink_exp_dump_expect(skb, exp) < 0)
- goto nfattr_failure;
+ goto nla_put_failure;
nlh->nlmsg_len = skb->tail - b;
nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);
return NOTIFY_DONE;
nlmsg_failure:
-nfattr_failure:
+nla_put_failure:
kfree_skb(skb);
return NOTIFY_DONE;
}
return skb->len;
}
-static const size_t cta_min_exp[CTA_EXPECT_MAX] = {
- [CTA_EXPECT_TIMEOUT-1] = sizeof(u_int32_t),
- [CTA_EXPECT_ID-1] = sizeof(u_int32_t)
+static const size_t cta_min_exp[CTA_EXPECT_MAX+1] = {
+ [CTA_EXPECT_TIMEOUT] = sizeof(u_int32_t),
+ [CTA_EXPECT_ID] = sizeof(u_int32_t)
};
static int
ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_tuple tuple;
struct nf_conntrack_expect *exp;
ctnetlink_exp_done);
}
- if (cda[CTA_EXPECT_MASTER-1])
+ if (cda[CTA_EXPECT_MASTER])
err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, u3);
else
return -EINVAL;
if (!exp)
return -ENOENT;
- if (cda[CTA_EXPECT_ID-1]) {
- __be32 id = *(__be32 *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+ if (cda[CTA_EXPECT_ID]) {
+ __be32 id = *(__be32 *)nla_data(cda[CTA_EXPECT_ID]);
if (exp->id != ntohl(id)) {
nf_ct_expect_put(exp);
return -ENOENT;
static int
ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_expect *exp;
struct nf_conntrack_tuple tuple;
if (nfattr_bad_size(cda, CTA_EXPECT_MAX, cta_min_exp))
return -EINVAL;
- if (cda[CTA_EXPECT_TUPLE-1]) {
+ if (cda[CTA_EXPECT_TUPLE]) {
/* delete a single expect by tuple */
err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3);
if (err < 0)
if (!exp)
return -ENOENT;
- if (cda[CTA_EXPECT_ID-1]) {
- __be32 id = *(__be32 *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+ if (cda[CTA_EXPECT_ID]) {
+ __be32 id = *(__be32 *)nla_data(cda[CTA_EXPECT_ID]);
if (exp->id != ntohl(id)) {
nf_ct_expect_put(exp);
return -ENOENT;
/* have to put what we 'get' above.
* after this line usage count == 0 */
nf_ct_expect_put(exp);
- } else if (cda[CTA_EXPECT_HELP_NAME-1]) {
- char *name = NFA_DATA(cda[CTA_EXPECT_HELP_NAME-1]);
+ } else if (cda[CTA_EXPECT_HELP_NAME]) {
+ char *name = nla_data(cda[CTA_EXPECT_HELP_NAME]);
struct nf_conn_help *m_help;
/* delete all expectations for this helper */
return 0;
}
static int
-ctnetlink_change_expect(struct nf_conntrack_expect *x, struct nfattr *cda[])
+ctnetlink_change_expect(struct nf_conntrack_expect *x, struct nlattr *cda[])
{
return -EOPNOTSUPP;
}
static int
-ctnetlink_create_expect(struct nfattr *cda[], u_int8_t u3)
+ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3)
{
struct nf_conntrack_tuple tuple, mask, master_tuple;
struct nf_conntrack_tuple_hash *h = NULL;
static int
ctnetlink_new_expect(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
struct nf_conntrack_tuple tuple;
struct nf_conntrack_expect *exp;
if (nfattr_bad_size(cda, CTA_EXPECT_MAX, cta_min_exp))
return -EINVAL;
- if (!cda[CTA_EXPECT_TUPLE-1]
- || !cda[CTA_EXPECT_MASK-1]
- || !cda[CTA_EXPECT_MASTER-1])
+ if (!cda[CTA_EXPECT_TUPLE]
+ || !cda[CTA_EXPECT_MASK]
+ || !cda[CTA_EXPECT_MASTER])
return -EINVAL;
err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3);
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_conntrack.h>
-static int tcp_to_nfattr(struct sk_buff *skb, struct nfattr *nfa,
+static int tcp_to_nfattr(struct sk_buff *skb, struct nlattr *nla,
const struct nf_conn *ct)
{
- struct nfattr *nest_parms;
+ struct nlattr *nest_parms;
struct nf_ct_tcp_flags tmp = {};
read_lock_bh(&tcp_lock);
- nest_parms = NFA_NEST(skb, CTA_PROTOINFO_TCP);
- NFA_PUT(skb, CTA_PROTOINFO_TCP_STATE, sizeof(u_int8_t),
+ nest_parms = nla_nest_start(skb, CTA_PROTOINFO_TCP | NLA_F_NESTED);
+ if (!nest_parms)
+ goto nla_put_failure;
+
+ NLA_PUT(skb, CTA_PROTOINFO_TCP_STATE, sizeof(u_int8_t),
&ct->proto.tcp.state);
- NFA_PUT(skb, CTA_PROTOINFO_TCP_WSCALE_ORIGINAL, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTOINFO_TCP_WSCALE_ORIGINAL, sizeof(u_int8_t),
&ct->proto.tcp.seen[0].td_scale);
- NFA_PUT(skb, CTA_PROTOINFO_TCP_WSCALE_REPLY, sizeof(u_int8_t),
+ NLA_PUT(skb, CTA_PROTOINFO_TCP_WSCALE_REPLY, sizeof(u_int8_t),
&ct->proto.tcp.seen[1].td_scale);
tmp.flags = ct->proto.tcp.seen[0].flags;
- NFA_PUT(skb, CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
+ NLA_PUT(skb, CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
sizeof(struct nf_ct_tcp_flags), &tmp);
tmp.flags = ct->proto.tcp.seen[1].flags;
- NFA_PUT(skb, CTA_PROTOINFO_TCP_FLAGS_REPLY,
+ NLA_PUT(skb, CTA_PROTOINFO_TCP_FLAGS_REPLY,
sizeof(struct nf_ct_tcp_flags), &tmp);
read_unlock_bh(&tcp_lock);
- NFA_NEST_END(skb, nest_parms);
+ nla_nest_end(skb, nest_parms);
return 0;
-nfattr_failure:
+nla_put_failure:
read_unlock_bh(&tcp_lock);
return -1;
}
-static const size_t cta_min_tcp[CTA_PROTOINFO_TCP_MAX] = {
- [CTA_PROTOINFO_TCP_STATE-1] = sizeof(u_int8_t),
- [CTA_PROTOINFO_TCP_WSCALE_ORIGINAL-1] = sizeof(u_int8_t),
- [CTA_PROTOINFO_TCP_WSCALE_REPLY-1] = sizeof(u_int8_t),
- [CTA_PROTOINFO_TCP_FLAGS_ORIGINAL-1] = sizeof(struct nf_ct_tcp_flags),
- [CTA_PROTOINFO_TCP_FLAGS_REPLY-1] = sizeof(struct nf_ct_tcp_flags)
+static const size_t cta_min_tcp[CTA_PROTOINFO_TCP_MAX+1] = {
+ [CTA_PROTOINFO_TCP_STATE] = sizeof(u_int8_t),
+ [CTA_PROTOINFO_TCP_WSCALE_ORIGINAL] = sizeof(u_int8_t),
+ [CTA_PROTOINFO_TCP_WSCALE_REPLY] = sizeof(u_int8_t),
+ [CTA_PROTOINFO_TCP_FLAGS_ORIGINAL] = sizeof(struct nf_ct_tcp_flags),
+ [CTA_PROTOINFO_TCP_FLAGS_REPLY] = sizeof(struct nf_ct_tcp_flags)
};
-static int nfattr_to_tcp(struct nfattr *cda[], struct nf_conn *ct)
+static int nfattr_to_tcp(struct nlattr *cda[], struct nf_conn *ct)
{
- struct nfattr *attr = cda[CTA_PROTOINFO_TCP-1];
- struct nfattr *tb[CTA_PROTOINFO_TCP_MAX];
+ struct nlattr *attr = cda[CTA_PROTOINFO_TCP];
+ struct nlattr *tb[CTA_PROTOINFO_TCP_MAX+1];
/* updates could not contain anything about the private
* protocol info, in that case skip the parsing */
if (!attr)
return 0;
- nfattr_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr);
+ nla_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr, NULL);
if (nfattr_bad_size(tb, CTA_PROTOINFO_TCP_MAX, cta_min_tcp))
return -EINVAL;
- if (!tb[CTA_PROTOINFO_TCP_STATE-1])
+ if (!tb[CTA_PROTOINFO_TCP_STATE])
return -EINVAL;
write_lock_bh(&tcp_lock);
ct->proto.tcp.state =
- *(u_int8_t *)NFA_DATA(tb[CTA_PROTOINFO_TCP_STATE-1]);
+ *(u_int8_t *)nla_data(tb[CTA_PROTOINFO_TCP_STATE]);
- if (tb[CTA_PROTOINFO_TCP_FLAGS_ORIGINAL-1]) {
+ if (tb[CTA_PROTOINFO_TCP_FLAGS_ORIGINAL]) {
struct nf_ct_tcp_flags *attr =
- NFA_DATA(tb[CTA_PROTOINFO_TCP_FLAGS_ORIGINAL-1]);
+ nla_data(tb[CTA_PROTOINFO_TCP_FLAGS_ORIGINAL]);
ct->proto.tcp.seen[0].flags &= ~attr->mask;
ct->proto.tcp.seen[0].flags |= attr->flags & attr->mask;
}
- if (tb[CTA_PROTOINFO_TCP_FLAGS_REPLY-1]) {
+ if (tb[CTA_PROTOINFO_TCP_FLAGS_REPLY]) {
struct nf_ct_tcp_flags *attr =
- NFA_DATA(tb[CTA_PROTOINFO_TCP_FLAGS_REPLY-1]);
+ nla_data(tb[CTA_PROTOINFO_TCP_FLAGS_REPLY]);
ct->proto.tcp.seen[1].flags &= ~attr->mask;
ct->proto.tcp.seen[1].flags |= attr->flags & attr->mask;
}
- if (tb[CTA_PROTOINFO_TCP_WSCALE_ORIGINAL-1] &&
- tb[CTA_PROTOINFO_TCP_WSCALE_REPLY-1] &&
+ if (tb[CTA_PROTOINFO_TCP_WSCALE_ORIGINAL] &&
+ tb[CTA_PROTOINFO_TCP_WSCALE_REPLY] &&
ct->proto.tcp.seen[0].flags & IP_CT_TCP_FLAG_WINDOW_SCALE &&
ct->proto.tcp.seen[1].flags & IP_CT_TCP_FLAG_WINDOW_SCALE) {
ct->proto.tcp.seen[0].td_scale = *(u_int8_t *)
- NFA_DATA(tb[CTA_PROTOINFO_TCP_WSCALE_ORIGINAL-1]);
+ nla_data(tb[CTA_PROTOINFO_TCP_WSCALE_ORIGINAL]);
ct->proto.tcp.seen[1].td_scale = *(u_int8_t *)
- NFA_DATA(tb[CTA_PROTOINFO_TCP_WSCALE_REPLY-1]);
+ nla_data(tb[CTA_PROTOINFO_TCP_WSCALE_REPLY]);
}
write_unlock_bh(&tcp_lock);
return &ss->cb[cb_id];
}
-void __nfa_fill(struct sk_buff *skb, int attrtype, int attrlen,
- const void *data)
-{
- struct nfattr *nfa;
- int size = NFA_LENGTH(attrlen);
-
- nfa = (struct nfattr *)skb_put(skb, NFA_ALIGN(size));
- nfa->nfa_type = attrtype;
- nfa->nfa_len = size;
- memcpy(NFA_DATA(nfa), data, attrlen);
- memset(NFA_DATA(nfa) + attrlen, 0, NFA_ALIGN(size) - size);
-}
-EXPORT_SYMBOL_GPL(__nfa_fill);
-
-void nfattr_parse(struct nfattr *tb[], int maxattr, struct nfattr *nfa, int len)
-{
- memset(tb, 0, sizeof(struct nfattr *) * maxattr);
-
- while (NFA_OK(nfa, len)) {
- unsigned flavor = NFA_TYPE(nfa);
- if (flavor && flavor <= maxattr)
- tb[flavor-1] = nfa;
- nfa = NFA_NEXT(nfa, len);
- }
-}
-EXPORT_SYMBOL_GPL(nfattr_parse);
-
/**
* nfnetlink_check_attributes - check and parse nfnetlink attributes
*
* subsys: nfnl subsystem for which this message is to be parsed
* nlmsghdr: netlink message to be checked/parsed
- * cda: array of pointers, needs to be at least subsys->attr_count big
+ * cda: array of pointers, needs to be at least subsys->attr_count+1 big
*
*/
static int
nfnetlink_check_attributes(const struct nfnetlink_subsystem *subsys,
- struct nlmsghdr *nlh, struct nfattr *cda[])
+ struct nlmsghdr *nlh, struct nlattr *cda[])
{
int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
u_int8_t cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);
/* check attribute lengths. */
if (likely(nlh->nlmsg_len > min_len)) {
- struct nfattr *attr = NFM_NFA(NLMSG_DATA(nlh));
+ struct nlattr *attr = (void *)nlh + NLMSG_ALIGN(min_len);
int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len);
- nfattr_parse(cda, attr_count, attr, attrlen);
+ nla_parse(cda, attr_count, attr, attrlen, NULL);
}
/* implicit: if nlmsg_len == min_len, we return 0, and an empty
{
u_int16_t attr_count =
ss->cb[NFNL_MSG_TYPE(nlh->nlmsg_type)].attr_count;
- struct nfattr *cda[attr_count];
+ struct nlattr *cda[attr_count+1];
- memset(cda, 0, sizeof(struct nfattr *) * attr_count);
+ memset(cda, 0, sizeof(struct nlattr *) * attr_count);
err = nfnetlink_check_attributes(ss, nlh, cda);
if (err < 0)
case NFULNL_COPY_PACKET:
inst->copy_mode = mode;
- /* we're using struct nfattr which has 16bit nfa_len */
+ /* we're using struct nlattr which has 16bit nfa_len */
if (range > 0xffff)
inst->copy_range = 0xffff;
else
pmsg.hw_protocol = skb->protocol;
pmsg.hook = hooknum;
- NFA_PUT(inst->skb, NFULA_PACKET_HDR, sizeof(pmsg), &pmsg);
+ NLA_PUT(inst->skb, NFULA_PACKET_HDR, sizeof(pmsg), &pmsg);
if (prefix)
- NFA_PUT(inst->skb, NFULA_PREFIX, plen, prefix);
+ NLA_PUT(inst->skb, NFULA_PREFIX, plen, prefix);
if (indev) {
tmp_uint = htonl(indev->ifindex);
#ifndef CONFIG_BRIDGE_NETFILTER
- NFA_PUT(inst->skb, NFULA_IFINDEX_INDEV, sizeof(tmp_uint),
+ NLA_PUT(inst->skb, NFULA_IFINDEX_INDEV, sizeof(tmp_uint),
&tmp_uint);
#else
if (pf == PF_BRIDGE) {
/* Case 1: outdev is physical input device, we need to
* look for bridge group (when called from
* netfilter_bridge) */
- NFA_PUT(inst->skb, NFULA_IFINDEX_PHYSINDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_PHYSINDEV,
sizeof(tmp_uint), &tmp_uint);
/* this is the bridge group "brX" */
tmp_uint = htonl(indev->br_port->br->dev->ifindex);
- NFA_PUT(inst->skb, NFULA_IFINDEX_INDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_INDEV,
sizeof(tmp_uint), &tmp_uint);
} else {
/* Case 2: indev is bridge group, we need to look for
* physical device (when called from ipv4) */
- NFA_PUT(inst->skb, NFULA_IFINDEX_INDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_INDEV,
sizeof(tmp_uint), &tmp_uint);
if (skb->nf_bridge && skb->nf_bridge->physindev) {
tmp_uint =
htonl(skb->nf_bridge->physindev->ifindex);
- NFA_PUT(inst->skb, NFULA_IFINDEX_PHYSINDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_PHYSINDEV,
sizeof(tmp_uint), &tmp_uint);
}
}
if (outdev) {
tmp_uint = htonl(outdev->ifindex);
#ifndef CONFIG_BRIDGE_NETFILTER
- NFA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV, sizeof(tmp_uint),
+ NLA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV, sizeof(tmp_uint),
&tmp_uint);
#else
if (pf == PF_BRIDGE) {
/* Case 1: outdev is physical output device, we need to
* look for bridge group (when called from
* netfilter_bridge) */
- NFA_PUT(inst->skb, NFULA_IFINDEX_PHYSOUTDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_PHYSOUTDEV,
sizeof(tmp_uint), &tmp_uint);
/* this is the bridge group "brX" */
tmp_uint = htonl(outdev->br_port->br->dev->ifindex);
- NFA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV,
sizeof(tmp_uint), &tmp_uint);
} else {
/* Case 2: indev is a bridge group, we need to look
* for physical device (when called from ipv4) */
- NFA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV,
sizeof(tmp_uint), &tmp_uint);
if (skb->nf_bridge && skb->nf_bridge->physoutdev) {
tmp_uint =
htonl(skb->nf_bridge->physoutdev->ifindex);
- NFA_PUT(inst->skb, NFULA_IFINDEX_PHYSOUTDEV,
+ NLA_PUT(inst->skb, NFULA_IFINDEX_PHYSOUTDEV,
sizeof(tmp_uint), &tmp_uint);
}
}
if (skb->mark) {
tmp_uint = htonl(skb->mark);
- NFA_PUT(inst->skb, NFULA_MARK, sizeof(tmp_uint), &tmp_uint);
+ NLA_PUT(inst->skb, NFULA_MARK, sizeof(tmp_uint), &tmp_uint);
}
if (indev && skb->dev) {
int len = dev_parse_header(skb, phw.hw_addr);
if (len > 0) {
phw.hw_addrlen = htons(len);
- NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw);
+ NLA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw);
}
}
ts.sec = cpu_to_be64(tv.tv_sec);
ts.usec = cpu_to_be64(tv.tv_usec);
- NFA_PUT(inst->skb, NFULA_TIMESTAMP, sizeof(ts), &ts);
+ NLA_PUT(inst->skb, NFULA_TIMESTAMP, sizeof(ts), &ts);
}
/* UID */
read_lock_bh(&skb->sk->sk_callback_lock);
if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
__be32 uid = htonl(skb->sk->sk_socket->file->f_uid);
- /* need to unlock here since NFA_PUT may goto */
+ /* need to unlock here since NLA_PUT may goto */
read_unlock_bh(&skb->sk->sk_callback_lock);
- NFA_PUT(inst->skb, NFULA_UID, sizeof(uid), &uid);
+ NLA_PUT(inst->skb, NFULA_UID, sizeof(uid), &uid);
} else
read_unlock_bh(&skb->sk->sk_callback_lock);
}
/* local sequence number */
if (inst->flags & NFULNL_CFG_F_SEQ) {
tmp_uint = htonl(inst->seq++);
- NFA_PUT(inst->skb, NFULA_SEQ, sizeof(tmp_uint), &tmp_uint);
+ NLA_PUT(inst->skb, NFULA_SEQ, sizeof(tmp_uint), &tmp_uint);
}
/* global sequence number */
if (inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) {
tmp_uint = htonl(atomic_inc_return(&global_seq));
- NFA_PUT(inst->skb, NFULA_SEQ_GLOBAL, sizeof(tmp_uint), &tmp_uint);
+ NLA_PUT(inst->skb, NFULA_SEQ_GLOBAL, sizeof(tmp_uint), &tmp_uint);
}
if (data_len) {
- struct nfattr *nfa;
- int size = NFA_LENGTH(data_len);
+ struct nlattr *nla;
+ int size = nla_attr_size(data_len);
- if (skb_tailroom(inst->skb) < (int)NFA_SPACE(data_len)) {
+ if (skb_tailroom(inst->skb) < nla_total_size(data_len)) {
printk(KERN_WARNING "nfnetlink_log: no tailroom!\n");
goto nlmsg_failure;
}
- nfa = (struct nfattr *)skb_put(inst->skb, NFA_ALIGN(size));
- nfa->nfa_type = NFULA_PAYLOAD;
- nfa->nfa_len = size;
+ nla = (struct nlattr *)skb_put(inst->skb, nla_total_size(data_len));
+ nla->nla_type = NFULA_PAYLOAD;
+ nla->nla_len = size;
- if (skb_copy_bits(skb, 0, NFA_DATA(nfa), data_len))
+ if (skb_copy_bits(skb, 0, nla_data(nla), data_len))
BUG();
}
nlmsg_failure:
UDEBUG("nlmsg_failure\n");
-nfattr_failure:
+nla_put_failure:
PRINTR(KERN_ERR "nfnetlink_log: error creating log nlmsg\n");
return -1;
}
if (prefix)
plen = strlen(prefix) + 1;
- /* all macros expand to constant values at compile time */
/* FIXME: do we want to make the size calculation conditional based on
* what is actually present? way more branches and checks, but more
* memory efficient... */
- size = NLMSG_SPACE(sizeof(struct nfgenmsg))
- + NFA_SPACE(sizeof(struct nfulnl_msg_packet_hdr))
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
+ size = NLMSG_ALIGN(sizeof(struct nfgenmsg))
+ + nla_total_size(sizeof(struct nfulnl_msg_packet_hdr))
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
#ifdef CONFIG_BRIDGE_NETFILTER
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
#endif
- + NFA_SPACE(sizeof(u_int32_t)) /* mark */
- + NFA_SPACE(sizeof(u_int32_t)) /* uid */
- + NFA_SPACE(plen) /* prefix */
- + NFA_SPACE(sizeof(struct nfulnl_msg_packet_hw))
- + NFA_SPACE(sizeof(struct nfulnl_msg_packet_timestamp));
+ + nla_total_size(sizeof(u_int32_t)) /* mark */
+ + nla_total_size(sizeof(u_int32_t)) /* uid */
+ + nla_total_size(plen) /* prefix */
+ + nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
+ + nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));
UDEBUG("initial size=%u\n", size);
spin_lock_bh(&inst->lock);
if (inst->flags & NFULNL_CFG_F_SEQ)
- size += NFA_SPACE(sizeof(u_int32_t));
+ size += nla_total_size(sizeof(u_int32_t));
if (inst->flags & NFULNL_CFG_F_SEQ_GLOBAL)
- size += NFA_SPACE(sizeof(u_int32_t));
+ size += nla_total_size(sizeof(u_int32_t));
qthreshold = inst->qthreshold;
/* per-rule qthreshold overrides per-instance */
else
data_len = inst->copy_range;
- size += NFA_SPACE(data_len);
+ size += nla_total_size(data_len);
UDEBUG("copy_packet, therefore size now %u\n", size);
break;
static int
nfulnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *nfqa[])
+ struct nlmsghdr *nlh, struct nlattr *nfqa[])
{
return -ENOTSUPP;
}
.me = THIS_MODULE,
};
-static const int nfula_min[NFULA_MAX] = {
- [NFULA_PACKET_HDR-1] = sizeof(struct nfulnl_msg_packet_hdr),
- [NFULA_MARK-1] = sizeof(u_int32_t),
- [NFULA_TIMESTAMP-1] = sizeof(struct nfulnl_msg_packet_timestamp),
- [NFULA_IFINDEX_INDEV-1] = sizeof(u_int32_t),
- [NFULA_IFINDEX_OUTDEV-1]= sizeof(u_int32_t),
- [NFULA_IFINDEX_PHYSINDEV-1] = sizeof(u_int32_t),
- [NFULA_IFINDEX_PHYSOUTDEV-1] = sizeof(u_int32_t),
- [NFULA_HWADDR-1] = sizeof(struct nfulnl_msg_packet_hw),
- [NFULA_PAYLOAD-1] = 0,
- [NFULA_PREFIX-1] = 0,
- [NFULA_UID-1] = sizeof(u_int32_t),
- [NFULA_SEQ-1] = sizeof(u_int32_t),
- [NFULA_SEQ_GLOBAL-1] = sizeof(u_int32_t),
+static const int nfula_min[NFULA_MAX+1] = {
+ [NFULA_PACKET_HDR] = sizeof(struct nfulnl_msg_packet_hdr),
+ [NFULA_MARK] = sizeof(u_int32_t),
+ [NFULA_TIMESTAMP] = sizeof(struct nfulnl_msg_packet_timestamp),
+ [NFULA_IFINDEX_INDEV] = sizeof(u_int32_t),
+ [NFULA_IFINDEX_OUTDEV] = sizeof(u_int32_t),
+ [NFULA_IFINDEX_PHYSINDEV] = sizeof(u_int32_t),
+ [NFULA_IFINDEX_PHYSOUTDEV] = sizeof(u_int32_t),
+ [NFULA_HWADDR] = sizeof(struct nfulnl_msg_packet_hw),
+ [NFULA_PAYLOAD] = 0,
+ [NFULA_PREFIX] = 0,
+ [NFULA_UID] = sizeof(u_int32_t),
+ [NFULA_SEQ] = sizeof(u_int32_t),
+ [NFULA_SEQ_GLOBAL] = sizeof(u_int32_t),
};
-static const int nfula_cfg_min[NFULA_CFG_MAX] = {
- [NFULA_CFG_CMD-1] = sizeof(struct nfulnl_msg_config_cmd),
- [NFULA_CFG_MODE-1] = sizeof(struct nfulnl_msg_config_mode),
- [NFULA_CFG_TIMEOUT-1] = sizeof(u_int32_t),
- [NFULA_CFG_QTHRESH-1] = sizeof(u_int32_t),
- [NFULA_CFG_NLBUFSIZ-1] = sizeof(u_int32_t),
- [NFULA_CFG_FLAGS-1] = sizeof(u_int16_t),
+static const int nfula_cfg_min[NFULA_CFG_MAX+1] = {
+ [NFULA_CFG_CMD] = sizeof(struct nfulnl_msg_config_cmd),
+ [NFULA_CFG_MODE] = sizeof(struct nfulnl_msg_config_mode),
+ [NFULA_CFG_TIMEOUT] = sizeof(u_int32_t),
+ [NFULA_CFG_QTHRESH] = sizeof(u_int32_t),
+ [NFULA_CFG_NLBUFSIZ] = sizeof(u_int32_t),
+ [NFULA_CFG_FLAGS] = sizeof(u_int16_t),
};
static int
nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *nfula[])
+ struct nlmsghdr *nlh, struct nlattr *nfula[])
{
struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
u_int16_t group_num = ntohs(nfmsg->res_id);
}
inst = instance_lookup_get(group_num);
- if (nfula[NFULA_CFG_CMD-1]) {
+ if (nfula[NFULA_CFG_CMD]) {
u_int8_t pf = nfmsg->nfgen_family;
struct nfulnl_msg_config_cmd *cmd;
- cmd = NFA_DATA(nfula[NFULA_CFG_CMD-1]);
+ cmd = nla_data(nfula[NFULA_CFG_CMD]);
UDEBUG("found CFG_CMD for\n");
switch (cmd->command) {
}
}
- if (nfula[NFULA_CFG_MODE-1]) {
+ if (nfula[NFULA_CFG_MODE]) {
struct nfulnl_msg_config_mode *params;
- params = NFA_DATA(nfula[NFULA_CFG_MODE-1]);
+ params = nla_data(nfula[NFULA_CFG_MODE]);
nfulnl_set_mode(inst, params->copy_mode,
ntohl(params->copy_range));
}
- if (nfula[NFULA_CFG_TIMEOUT-1]) {
+ if (nfula[NFULA_CFG_TIMEOUT]) {
__be32 timeout =
- *(__be32 *)NFA_DATA(nfula[NFULA_CFG_TIMEOUT-1]);
+ *(__be32 *)nla_data(nfula[NFULA_CFG_TIMEOUT]);
nfulnl_set_timeout(inst, ntohl(timeout));
}
- if (nfula[NFULA_CFG_NLBUFSIZ-1]) {
+ if (nfula[NFULA_CFG_NLBUFSIZ]) {
__be32 nlbufsiz =
- *(__be32 *)NFA_DATA(nfula[NFULA_CFG_NLBUFSIZ-1]);
+ *(__be32 *)nla_data(nfula[NFULA_CFG_NLBUFSIZ]);
nfulnl_set_nlbufsiz(inst, ntohl(nlbufsiz));
}
- if (nfula[NFULA_CFG_QTHRESH-1]) {
+ if (nfula[NFULA_CFG_QTHRESH]) {
__be32 qthresh =
- *(__be32 *)NFA_DATA(nfula[NFULA_CFG_QTHRESH-1]);
+ *(__be32 *)nla_data(nfula[NFULA_CFG_QTHRESH]);
nfulnl_set_qthresh(inst, ntohl(qthresh));
}
- if (nfula[NFULA_CFG_FLAGS-1]) {
+ if (nfula[NFULA_CFG_FLAGS]) {
__be16 flags =
- *(__be16 *)NFA_DATA(nfula[NFULA_CFG_FLAGS-1]);
+ *(__be16 *)nla_data(nfula[NFULA_CFG_FLAGS]);
nfulnl_set_flags(inst, ntohs(flags));
}
case NFQNL_COPY_PACKET:
queue->copy_mode = mode;
- /* we're using struct nfattr which has 16bit nfa_len */
+ /* we're using struct nlattr which has 16bit nla_len */
if (range > 0xffff)
queue->copy_range = 0xffff;
else
QDEBUG("entered\n");
- /* all macros expand to constant values at compile time */
- size = NLMSG_SPACE(sizeof(struct nfgenmsg)) +
- + NFA_SPACE(sizeof(struct nfqnl_msg_packet_hdr))
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
+ size = NLMSG_ALIGN(sizeof(struct nfgenmsg))
+ + nla_total_size(sizeof(struct nfqnl_msg_packet_hdr))
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
#ifdef CONFIG_BRIDGE_NETFILTER
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
- + NFA_SPACE(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
+ + nla_total_size(sizeof(u_int32_t)) /* ifindex */
#endif
- + NFA_SPACE(sizeof(u_int32_t)) /* mark */
- + NFA_SPACE(sizeof(struct nfqnl_msg_packet_hw))
- + NFA_SPACE(sizeof(struct nfqnl_msg_packet_timestamp));
+ + nla_total_size(sizeof(u_int32_t)) /* mark */
+ + nla_total_size(sizeof(struct nfqnl_msg_packet_hw))
+ + nla_total_size(sizeof(struct nfqnl_msg_packet_timestamp));
outdev = entinf->outdev;
else
data_len = queue->copy_range;
- size += NFA_SPACE(data_len);
+ size += nla_total_size(data_len);
break;
default:
pmsg.hw_protocol = entskb->protocol;
pmsg.hook = entinf->hook;
- NFA_PUT(skb, NFQA_PACKET_HDR, sizeof(pmsg), &pmsg);
+ NLA_PUT(skb, NFQA_PACKET_HDR, sizeof(pmsg), &pmsg);
indev = entinf->indev;
if (indev) {
tmp_uint = htonl(indev->ifindex);
#ifndef CONFIG_BRIDGE_NETFILTER
- NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint), &tmp_uint);
+ NLA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint), &tmp_uint);
#else
if (entinf->pf == PF_BRIDGE) {
/* Case 1: indev is physical input device, we need to
* look for bridge group (when called from
* netfilter_bridge) */
- NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_PHYSINDEV, sizeof(tmp_uint),
&tmp_uint);
/* this is the bridge group "brX" */
tmp_uint = htonl(indev->br_port->br->dev->ifindex);
- NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
&tmp_uint);
} else {
/* Case 2: indev is bridge group, we need to look for
* physical device (when called from ipv4) */
- NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
&tmp_uint);
if (entskb->nf_bridge
&& entskb->nf_bridge->physindev) {
tmp_uint = htonl(entskb->nf_bridge->physindev->ifindex);
- NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV,
+ NLA_PUT(skb, NFQA_IFINDEX_PHYSINDEV,
sizeof(tmp_uint), &tmp_uint);
}
}
if (outdev) {
tmp_uint = htonl(outdev->ifindex);
#ifndef CONFIG_BRIDGE_NETFILTER
- NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint), &tmp_uint);
+ NLA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint), &tmp_uint);
#else
if (entinf->pf == PF_BRIDGE) {
/* Case 1: outdev is physical output device, we need to
* look for bridge group (when called from
* netfilter_bridge) */
- NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV, sizeof(tmp_uint),
&tmp_uint);
/* this is the bridge group "brX" */
tmp_uint = htonl(outdev->br_port->br->dev->ifindex);
- NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
&tmp_uint);
} else {
/* Case 2: outdev is bridge group, we need to look for
* physical output device (when called from ipv4) */
- NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
+ NLA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
&tmp_uint);
if (entskb->nf_bridge
&& entskb->nf_bridge->physoutdev) {
tmp_uint = htonl(entskb->nf_bridge->physoutdev->ifindex);
- NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV,
+ NLA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV,
sizeof(tmp_uint), &tmp_uint);
}
}
if (entskb->mark) {
tmp_uint = htonl(entskb->mark);
- NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint);
+ NLA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint);
}
if (indev && entskb->dev) {
int len = dev_parse_header(entskb, phw.hw_addr);
if (len) {
phw.hw_addrlen = htons(len);
- NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
+ NLA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
}
}
ts.sec = cpu_to_be64(tv.tv_sec);
ts.usec = cpu_to_be64(tv.tv_usec);
- NFA_PUT(skb, NFQA_TIMESTAMP, sizeof(ts), &ts);
+ NLA_PUT(skb, NFQA_TIMESTAMP, sizeof(ts), &ts);
}
if (data_len) {
- struct nfattr *nfa;
- int size = NFA_LENGTH(data_len);
+ struct nlattr *nla;
+ int size = nla_attr_size(data_len);
- if (skb_tailroom(skb) < (int)NFA_SPACE(data_len)) {
+ if (skb_tailroom(skb) < nla_total_size(data_len)) {
printk(KERN_WARNING "nf_queue: no tailroom!\n");
goto nlmsg_failure;
}
- nfa = (struct nfattr *)skb_put(skb, NFA_ALIGN(size));
- nfa->nfa_type = NFQA_PAYLOAD;
- nfa->nfa_len = size;
+ nla = (struct nlattr *)skb_put(skb, nla_total_size(data_len));
+ nla->nla_type = NFQA_PAYLOAD;
+ nla->nla_len = size;
- if (skb_copy_bits(entskb, 0, NFA_DATA(nfa), data_len))
+ if (skb_copy_bits(entskb, 0, nla_data(nla), data_len))
BUG();
}
return skb;
nlmsg_failure:
-nfattr_failure:
+nla_put_failure:
if (skb)
kfree_skb(skb);
*errp = -EINVAL;
.notifier_call = nfqnl_rcv_nl_event,
};
-static const int nfqa_verdict_min[NFQA_MAX] = {
- [NFQA_VERDICT_HDR-1] = sizeof(struct nfqnl_msg_verdict_hdr),
- [NFQA_MARK-1] = sizeof(u_int32_t),
- [NFQA_PAYLOAD-1] = 0,
+static const int nfqa_verdict_min[NFQA_MAX+1] = {
+ [NFQA_VERDICT_HDR] = sizeof(struct nfqnl_msg_verdict_hdr),
+ [NFQA_MARK] = sizeof(u_int32_t),
+ [NFQA_PAYLOAD] = 0,
};
static int
nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *nfqa[])
+ struct nlmsghdr *nlh, struct nlattr *nfqa[])
{
struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
u_int16_t queue_num = ntohs(nfmsg->res_id);
goto err_out_put;
}
- if (!nfqa[NFQA_VERDICT_HDR-1]) {
+ if (!nfqa[NFQA_VERDICT_HDR]) {
err = -EINVAL;
goto err_out_put;
}
- vhdr = NFA_DATA(nfqa[NFQA_VERDICT_HDR-1]);
+ vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]);
verdict = ntohl(vhdr->verdict);
if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT) {
goto err_out_put;
}
- if (nfqa[NFQA_PAYLOAD-1]) {
- if (nfqnl_mangle(NFA_DATA(nfqa[NFQA_PAYLOAD-1]),
- NFA_PAYLOAD(nfqa[NFQA_PAYLOAD-1]), entry) < 0)
+ if (nfqa[NFQA_PAYLOAD]) {
+ if (nfqnl_mangle(nla_data(nfqa[NFQA_PAYLOAD]),
+ nla_len(nfqa[NFQA_PAYLOAD]), entry) < 0)
verdict = NF_DROP;
}
- if (nfqa[NFQA_MARK-1])
+ if (nfqa[NFQA_MARK])
entry->skb->mark = ntohl(*(__be32 *)
- NFA_DATA(nfqa[NFQA_MARK-1]));
+ nla_data(nfqa[NFQA_MARK]));
issue_verdict(entry, verdict);
instance_put(queue);
static int
nfqnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *nfqa[])
+ struct nlmsghdr *nlh, struct nlattr *nfqa[])
{
return -ENOTSUPP;
}
-static const int nfqa_cfg_min[NFQA_CFG_MAX] = {
- [NFQA_CFG_CMD-1] = sizeof(struct nfqnl_msg_config_cmd),
- [NFQA_CFG_PARAMS-1] = sizeof(struct nfqnl_msg_config_params),
+static const int nfqa_cfg_min[NFQA_CFG_MAX+1] = {
+ [NFQA_CFG_CMD] = sizeof(struct nfqnl_msg_config_cmd),
+ [NFQA_CFG_PARAMS] = sizeof(struct nfqnl_msg_config_params),
};
static struct nf_queue_handler nfqh = {
static int
nfqnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct nfattr *nfqa[])
+ struct nlmsghdr *nlh, struct nlattr *nfqa[])
{
struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
u_int16_t queue_num = ntohs(nfmsg->res_id);
}
queue = instance_lookup_get(queue_num);
- if (nfqa[NFQA_CFG_CMD-1]) {
+ if (nfqa[NFQA_CFG_CMD]) {
struct nfqnl_msg_config_cmd *cmd;
- cmd = NFA_DATA(nfqa[NFQA_CFG_CMD-1]);
+ cmd = nla_data(nfqa[NFQA_CFG_CMD]);
QDEBUG("found CFG_CMD\n");
switch (cmd->command) {
}
}
- if (nfqa[NFQA_CFG_PARAMS-1]) {
+ if (nfqa[NFQA_CFG_PARAMS]) {
struct nfqnl_msg_config_params *params;
if (!queue) {
ret = -ENOENT;
goto out_put;
}
- params = NFA_DATA(nfqa[NFQA_CFG_PARAMS-1]);
+ params = nla_data(nfqa[NFQA_CFG_PARAMS]);
nfqnl_set_mode(queue, params->copy_mode,
ntohl(params->copy_range));
}
- if (nfqa[NFQA_CFG_QUEUE_MAXLEN-1]) {
+ if (nfqa[NFQA_CFG_QUEUE_MAXLEN]) {
__be32 *queue_maxlen;
- queue_maxlen = NFA_DATA(nfqa[NFQA_CFG_QUEUE_MAXLEN-1]);
+ queue_maxlen = nla_data(nfqa[NFQA_CFG_QUEUE_MAXLEN]);
spin_lock_bh(&queue->lock);
queue->queue_maxlen = ntohl(*queue_maxlen);
spin_unlock_bh(&queue->lock);
projects / openwrt / staging / blogic.git / commitdiff