From 00c179b4c9f9f9394cc6f79e5f2a68410631fd72 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 3 Aug 2012 17:31:48 +0200 Subject: initial version of libnftables It adds support for table, chain and rule handling. This also includes expression handling for each rule. Signed-off-by: Pablo Neira Ayuso --- src/expr_ops.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/expr_ops.h (limited to 'src/expr_ops.h') diff --git a/src/expr_ops.h b/src/expr_ops.h new file mode 100644 index 0000000..2322958 --- /dev/null +++ b/src/expr_ops.h @@ -0,0 +1,24 @@ +#ifndef _EXPR_OPS_H_ +#define _EXPR_OPS_H_ + +#include +#include + +struct nlattr; +struct nlmsghdr; +struct nft_rule_expr; + +struct expr_ops { + char *name; + size_t alloc_len; + int max_attr; + int (*set)(struct nft_rule_expr *e, uint16_t type, const void *data, size_t data_len); + const void *(*get)(struct nft_rule_expr *e, uint16_t type, size_t *data_len); + int (*parse)(struct nft_rule_expr *e, struct nlattr *attr); + void (*build)(struct nlmsghdr *nlh, struct nft_rule_expr *e); + int (*snprintf)(char *buf, size_t len, struct nft_rule_expr *e); +}; + +struct expr_ops *nft_expr_ops_lookup(const char *name); + +#endif -- cgit v1.2.3