diff options
| author | /C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org> | 2005-07-18 19:11:45 +0000 |
|---|---|---|
| committer | /C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org> | 2005-07-18 19:11:45 +0000 |
| commit | dc44aeeddc218d9ae45006b15fbcde751567a2ef (patch) | |
| tree | c026b160b5622509b7fc8d1a4df5c8d1f47811c1 /libnfnetlink.h | |
| parent | 84d14671e9de8d1d9e587086efca623d843d4b63 (diff) | |
- introduce NLMSG_TAIL
- introduce support for nested attributes
(Pablo Neira)
Diffstat (limited to 'libnfnetlink.h')
| -rw-r--r-- | libnfnetlink.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libnfnetlink.h b/libnfnetlink.h index 944e607..9761eed 100644 --- a/libnfnetlink.h +++ b/libnfnetlink.h @@ -10,6 +10,9 @@ #include <linux/netlink.h> #include <linux/netfilter/nfnetlink.h> +#define NLMSG_TAIL(nlh) \ + ((void *) (nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len) + #define NFNL_BUFFSIZE 8192 struct nfnl_handle { @@ -45,6 +48,12 @@ extern int nfnl_addattr32(struct nlmsghdr *, int, int, u_int32_t); extern int nfnl_nfa_addattr_l(struct nfattr *, int, int, void *, int); extern int nfnl_nfa_addattr32(struct nfattr *, int, int, u_int32_t); extern int nfnl_parse_attr(struct nfattr **, int, struct nfattr *, int); +#define nfnl_nest(nlh, bufsize, type) \ +({ struct nfattr *__start = NLMSG_TAIL(nlh); \ + nfnl_addattr_l(nlh, bufsize, type, NULL, 0); \ + __start; }) +#define nfnl_nest_end(nlh, tail) \ +({ (tail)->nfa_len = (void *) NLMSG_TAIL(nlh) - (void *) tail; }) extern void nfnl_dump_packet(struct nlmsghdr *, int, char *); #endif /* __LIBNFNETLINK_H */ |