From 75079aff51e977301771fbcb9f5ade0ff661b78b Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 27 May 2008 19:29:52 +0200 Subject: update include files --- include/libnfnetlink/Makefile.am | 2 +- include/libnfnetlink/libnfnetlink.h | 4 ++ include/libnfnetlink/linux_nfnetlink.h | 100 ++++----------------------------- 3 files changed, 16 insertions(+), 90 deletions(-) (limited to 'include/libnfnetlink') diff --git a/include/libnfnetlink/Makefile.am b/include/libnfnetlink/Makefile.am index 81e14c8..76128c8 100644 --- a/include/libnfnetlink/Makefile.am +++ b/include/libnfnetlink/Makefile.am @@ -1,3 +1,3 @@ -pkginclude_HEADERS = libnfnetlink.h linux_nfnetlink.h +pkginclude_HEADERS = libnfnetlink.h linux_nfnetlink.h linux_nfnetlink_compat.h diff --git a/include/libnfnetlink/libnfnetlink.h b/include/libnfnetlink/libnfnetlink.h index fea7611..3c64aac 100644 --- a/include/libnfnetlink/libnfnetlink.h +++ b/include/libnfnetlink/libnfnetlink.h @@ -219,10 +219,14 @@ int nlif_index2name(struct nlif_handle *nlif_handle, #include #if __BYTE_ORDER == __BIG_ENDIAN +# ifndef __be64_to_cpu # define __be64_to_cpu(x) (x) +# endif # else # if __BYTE_ORDER == __LITTLE_ENDIAN +# ifndef __be64_to_cpu # define __be64_to_cpu(x) __bswap_64(x) +# endif # endif #endif diff --git a/include/libnfnetlink/linux_nfnetlink.h b/include/libnfnetlink/linux_nfnetlink.h index 0f9311d..76a8550 100644 --- a/include/libnfnetlink/linux_nfnetlink.h +++ b/include/libnfnetlink/linux_nfnetlink.h @@ -1,16 +1,7 @@ #ifndef _NFNETLINK_H #define _NFNETLINK_H #include - -#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 enum nfnetlink_groups { NFNLGRP_NONE, @@ -31,62 +22,16 @@ enum nfnetlink_groups { }; #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 { u_int8_t nfgen_family; /* AF_xxx */ u_int8_t version; /* nfnetlink version */ - __be16 res_id; /* resource id */ + u_int16_t res_id; /* resource id */ }; #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. */ @@ -107,49 +52,26 @@ struct nfgenmsg { #include #include +#include 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[]); + const struct nla_policy *policy; /* netlink attribute policy */ + const u_int16_t attr_count; /* number of nlattr's */ }; struct nfnetlink_subsystem { const char *name; - __u8 subsys_id; /* nfnetlink subsystem ID */ - __u8 cb_count; /* number of callbacks */ - struct nfnl_callback *cb; /* callback for individual types */ + __u8 subsys_id; /* nfnetlink subsystem ID */ + __u8 cb_count; /* number of callbacks */ + 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(struct nfnetlink_subsystem *n); -extern int nfnetlink_subsys_unregister(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