From 59e949294f4688bafe44b7def2972987224520c8 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 20 Jan 2014 10:26:57 +0100 Subject: rename library to libnftnl We plan to use this library name for the higher layer library. Signed-off-by: Pablo Neira Ayuso --- include/libnftnl/Makefile.am | 7 ++ include/libnftnl/chain.h | 85 ++++++++++++++++++++++++ include/libnftnl/common.h | 31 +++++++++ include/libnftnl/expr.h | 150 +++++++++++++++++++++++++++++++++++++++++++ include/libnftnl/rule.h | 91 ++++++++++++++++++++++++++ include/libnftnl/ruleset.h | 44 +++++++++++++ include/libnftnl/set.h | 119 ++++++++++++++++++++++++++++++++++ include/libnftnl/table.h | 73 +++++++++++++++++++++ 8 files changed, 600 insertions(+) create mode 100644 include/libnftnl/Makefile.am create mode 100644 include/libnftnl/chain.h create mode 100644 include/libnftnl/common.h create mode 100644 include/libnftnl/expr.h create mode 100644 include/libnftnl/rule.h create mode 100644 include/libnftnl/ruleset.h create mode 100644 include/libnftnl/set.h create mode 100644 include/libnftnl/table.h (limited to 'include/libnftnl') diff --git a/include/libnftnl/Makefile.am b/include/libnftnl/Makefile.am new file mode 100644 index 0000000..a0841d2 --- /dev/null +++ b/include/libnftnl/Makefile.am @@ -0,0 +1,7 @@ +pkginclude_HEADERS = table.h \ + chain.h \ + rule.h \ + expr.h \ + set.h \ + ruleset.h \ + common.h diff --git a/include/libnftnl/chain.h b/include/libnftnl/chain.h new file mode 100644 index 0000000..66626d8 --- /dev/null +++ b/include/libnftnl/chain.h @@ -0,0 +1,85 @@ +#ifndef _LIBNFTNL_CHAIN_H_ +#define _LIBNFTNL_CHAIN_H_ + +#include +#include +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct nft_chain; + +struct nft_chain *nft_chain_alloc(void); +void nft_chain_free(struct nft_chain *); + +enum { + NFT_CHAIN_ATTR_NAME = 0, + NFT_CHAIN_ATTR_FAMILY, + NFT_CHAIN_ATTR_TABLE, + NFT_CHAIN_ATTR_HOOKNUM, + NFT_CHAIN_ATTR_PRIO = 4, + NFT_CHAIN_ATTR_POLICY, + NFT_CHAIN_ATTR_USE, + NFT_CHAIN_ATTR_BYTES, + NFT_CHAIN_ATTR_PACKETS = 8, + NFT_CHAIN_ATTR_HANDLE, + NFT_CHAIN_ATTR_TYPE, +}; + +bool nft_chain_attr_is_set(const struct nft_chain *c, uint16_t attr); +void nft_chain_attr_unset(struct nft_chain *c, uint16_t attr); +void nft_chain_attr_set(struct nft_chain *t, uint16_t attr, const void *data); +void nft_chain_attr_set_u8(struct nft_chain *t, uint16_t attr, uint8_t data); +void nft_chain_attr_set_u32(struct nft_chain *t, uint16_t attr, uint32_t data); +void nft_chain_attr_set_s32(struct nft_chain *t, uint16_t attr, int32_t data); +void nft_chain_attr_set_u64(struct nft_chain *t, uint16_t attr, uint64_t data); +void nft_chain_attr_set_str(struct nft_chain *t, uint16_t attr, const char *str); + +const void *nft_chain_attr_get(struct nft_chain *c, uint16_t attr); +const char *nft_chain_attr_get_str(struct nft_chain *c, uint16_t attr); +uint8_t nft_chain_attr_get_u8(struct nft_chain *c, uint16_t attr); +uint32_t nft_chain_attr_get_u32(struct nft_chain *c, uint16_t attr); +int32_t nft_chain_attr_get_s32(struct nft_chain *c, uint16_t attr); +uint64_t nft_chain_attr_get_u64(struct nft_chain *c, uint16_t attr); + +struct nlmsghdr; + +void nft_chain_nlmsg_build_payload(struct nlmsghdr *nlh, const struct nft_chain *t); + +int nft_chain_parse(struct nft_chain *c, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_chain_parse_file(struct nft_chain *c, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); +int nft_chain_snprintf(char *buf, size_t size, struct nft_chain *t, uint32_t type, uint32_t flags); +int nft_chain_fprintf(FILE *fp, struct nft_chain *c, uint32_t type, uint32_t flags); + +#define nft_chain_nlmsg_build_hdr nft_nlmsg_build_hdr +int nft_chain_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_chain *t); + +struct nft_chain_list; + +struct nft_chain_list *nft_chain_list_alloc(void); +void nft_chain_list_free(struct nft_chain_list *list); +int nft_chain_list_is_empty(struct nft_chain_list *list); +int nft_chain_list_foreach(struct nft_chain_list *chain_list, int (*cb)(struct nft_chain *t, void *data), void *data); + +void nft_chain_list_add(struct nft_chain *r, struct nft_chain_list *list); +void nft_chain_list_add_tail(struct nft_chain *r, struct nft_chain_list *list); +void nft_chain_list_del(struct nft_chain *c); + +struct nft_chain_list_iter; + +struct nft_chain_list_iter *nft_chain_list_iter_create(struct nft_chain_list *l); +struct nft_chain *nft_chain_list_iter_next(struct nft_chain_list_iter *iter); +void nft_chain_list_iter_destroy(struct nft_chain_list_iter *iter); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_CHAIN_H_ */ diff --git a/include/libnftnl/common.h b/include/libnftnl/common.h new file mode 100644 index 0000000..9d18b2b --- /dev/null +++ b/include/libnftnl/common.h @@ -0,0 +1,31 @@ +#ifndef _LIBNFTNL_COMMON_H_ +#define _LIBNFTNL_COMMON_H_ + +enum { + NFT_PARSE_EBADINPUT = 0, + NFT_PARSE_EMISSINGNODE, + NFT_PARSE_EBADTYPE, +}; + +enum nft_output_type { + NFT_OUTPUT_DEFAULT = 0, + NFT_OUTPUT_XML, + NFT_OUTPUT_JSON, +}; + +enum nft_parse_type { + NFT_PARSE_NONE = 0, + NFT_PARSE_XML, + NFT_PARSE_JSON, + NFT_PARSE_MAX, +}; + +struct nft_parse_err; + +struct nlmsghdr *nft_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family, + uint16_t type, uint32_t seq); + +struct nft_parse_err *nft_parse_err_alloc(void); +void nft_parse_err_free(struct nft_parse_err *); +int nft_parse_perror(const char *str, struct nft_parse_err *err); +#endif diff --git a/include/libnftnl/expr.h b/include/libnftnl/expr.h new file mode 100644 index 0000000..a2f44df --- /dev/null +++ b/include/libnftnl/expr.h @@ -0,0 +1,150 @@ +#ifndef _LIBNFTNL_RULE_EXPR_H_ +#define _LIBNFTNL_RULE_EXPR_H_ + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct nft_rule_expr; + +enum { + NFT_RULE_EXPR_ATTR_NAME = 0, + NFT_RULE_EXPR_ATTR_BASE, +}; + +struct nft_rule_expr *nft_rule_expr_alloc(const char *name); +void nft_rule_expr_free(struct nft_rule_expr *expr); + +bool nft_rule_expr_is_set(const struct nft_rule_expr *expr, uint16_t type); +void nft_rule_expr_set(struct nft_rule_expr *expr, uint16_t type, const void *data, uint32_t data_len); +void nft_rule_expr_set_u8(struct nft_rule_expr *expr, uint16_t type, uint8_t data); +void nft_rule_expr_set_u16(struct nft_rule_expr *expr, uint16_t type, uint16_t data); +void nft_rule_expr_set_u32(struct nft_rule_expr *expr, uint16_t type, uint32_t data); +void nft_rule_expr_set_u64(struct nft_rule_expr *expr, uint16_t type, uint64_t data); +void nft_rule_expr_set_str(struct nft_rule_expr *expr, uint16_t type, const char *str); + +const void *nft_rule_expr_get(const struct nft_rule_expr *expr, uint16_t type, uint32_t *data_len); +uint8_t nft_rule_expr_get_u8(const struct nft_rule_expr *expr, uint16_t type); +uint16_t nft_rule_expr_get_u16(const struct nft_rule_expr *expr, uint16_t type); +uint32_t nft_rule_expr_get_u32(const struct nft_rule_expr *expr, uint16_t type); +uint64_t nft_rule_expr_get_u64(const struct nft_rule_expr *expr, uint16_t type); +const char *nft_rule_expr_get_str(const struct nft_rule_expr *expr, uint16_t type); + +struct nlmsghdr; + +void nft_rule_expr_build_payload(struct nlmsghdr *nlh, struct nft_rule_expr *expr); + +int nft_rule_expr_snprintf(char *buf, size_t buflen, struct nft_rule_expr *expr, uint32_t type, uint32_t flags); + +enum { + NFT_EXPR_PAYLOAD_DREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_PAYLOAD_BASE, + NFT_EXPR_PAYLOAD_OFFSET, + NFT_EXPR_PAYLOAD_LEN, +}; + +enum { + NFT_EXPR_META_KEY = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_META_DREG, +}; + +enum { + NFT_EXPR_CMP_SREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_CMP_OP, + NFT_EXPR_CMP_DATA, +}; + +enum { + NFT_EXPR_IMM_DREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_IMM_DATA, + NFT_EXPR_IMM_VERDICT, + NFT_EXPR_IMM_CHAIN, +}; + +enum { + NFT_EXPR_CTR_PACKETS = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_CTR_BYTES, +}; + +enum { + NFT_EXPR_BITWISE_SREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_BITWISE_DREG, + NFT_EXPR_BITWISE_LEN, + NFT_EXPR_BITWISE_MASK, + NFT_EXPR_BITWISE_XOR, +}; + +enum { + NFT_EXPR_TG_NAME = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_TG_REV, + NFT_EXPR_TG_INFO, +}; + +enum { + NFT_EXPR_MT_NAME = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_MT_REV, + NFT_EXPR_MT_INFO, +}; + +enum { + NFT_EXPR_NAT_TYPE = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_NAT_FAMILY, + NFT_EXPR_NAT_REG_ADDR_MIN, + NFT_EXPR_NAT_REG_ADDR_MAX, + NFT_EXPR_NAT_REG_PROTO_MIN, + NFT_EXPR_NAT_REG_PROTO_MAX, +}; + +enum { + NFT_EXPR_LOOKUP_SREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_LOOKUP_DREG, + NFT_EXPR_LOOKUP_SET, +}; + +enum { + NFT_EXPR_LOG_PREFIX = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_LOG_GROUP, + NFT_EXPR_LOG_SNAPLEN, + NFT_EXPR_LOG_QTHRESHOLD, +}; + +enum { + NFT_EXPR_EXTHDR_DREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_EXTHDR_TYPE, + NFT_EXPR_EXTHDR_OFFSET, + NFT_EXPR_EXTHDR_LEN, +}; + +enum { + NFT_EXPR_CT_DREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_CT_KEY, + NFT_EXPR_CT_DIR, +}; + +enum { + NFT_EXPR_BYTEORDER_DREG = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_BYTEORDER_SREG, + NFT_EXPR_BYTEORDER_OP, + NFT_EXPR_BYTEORDER_LEN, + NFT_EXPR_BYTEORDER_SIZE, +}; + +enum { + NFT_EXPR_LIMIT_RATE = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_LIMIT_UNIT, +}; + +enum { + NFT_EXPR_REJECT_TYPE = NFT_RULE_EXPR_ATTR_BASE, + NFT_EXPR_REJECT_CODE, +}; + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_RULE_EXPR_H_ */ diff --git a/include/libnftnl/rule.h b/include/libnftnl/rule.h new file mode 100644 index 0000000..4033d3c --- /dev/null +++ b/include/libnftnl/rule.h @@ -0,0 +1,91 @@ +#ifndef _LIBNFTNL_RULE_H_ +#define _LIBNFTNL_RULE_H_ + +#include +#include +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct nft_rule; +struct nft_rule_expr; + +struct nft_rule *nft_rule_alloc(void); +void nft_rule_free(struct nft_rule *); + +enum { + NFT_RULE_ATTR_FAMILY = 0, + NFT_RULE_ATTR_TABLE, + NFT_RULE_ATTR_CHAIN, + NFT_RULE_ATTR_HANDLE, + NFT_RULE_ATTR_COMPAT_PROTO, + NFT_RULE_ATTR_COMPAT_FLAGS, + NFT_RULE_ATTR_POSITION, +}; + +void nft_rule_attr_unset(struct nft_rule *r, uint16_t attr); +bool nft_rule_attr_is_set(const struct nft_rule *r, uint16_t attr); +void nft_rule_attr_set(struct nft_rule *r, uint16_t attr, const void *data); +void nft_rule_attr_set_u32(struct nft_rule *r, uint16_t attr, uint32_t val); +void nft_rule_attr_set_u64(struct nft_rule *r, uint16_t attr, uint64_t val); +void nft_rule_attr_set_str(struct nft_rule *r, uint16_t attr, const char *str); + +const void *nft_rule_attr_get(const struct nft_rule *r, uint16_t attr); +const char *nft_rule_attr_get_str(const struct nft_rule *r, uint16_t attr); +uint8_t nft_rule_attr_get_u8(const struct nft_rule *r, uint16_t attr); +uint32_t nft_rule_attr_get_u32(const struct nft_rule *r, uint16_t attr); +uint64_t nft_rule_attr_get_u64(const struct nft_rule *r, uint16_t attr); + +void nft_rule_add_expr(struct nft_rule *r, struct nft_rule_expr *expr); + +struct nlmsghdr; + +void nft_rule_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_rule *t); + +int nft_rule_parse(struct nft_rule *r, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_rule_parse_file(struct nft_rule *r, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); +int nft_rule_snprintf(char *buf, size_t size, struct nft_rule *t, uint32_t type, uint32_t flags); +int nft_rule_fprintf(FILE *fp, struct nft_rule *r, uint32_t type, uint32_t flags); + +#define nft_rule_nlmsg_build_hdr nft_nlmsg_build_hdr +int nft_rule_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_rule *t); + +int nft_rule_expr_foreach(struct nft_rule *r, + int (*cb)(struct nft_rule_expr *e, void *data), + void *data); + +struct nft_rule_expr_iter; + +struct nft_rule_expr_iter *nft_rule_expr_iter_create(struct nft_rule *r); +struct nft_rule_expr *nft_rule_expr_iter_next(struct nft_rule_expr_iter *iter); +void nft_rule_expr_iter_destroy(struct nft_rule_expr_iter *iter); + +struct nft_rule_list; + +struct nft_rule_list *nft_rule_list_alloc(void); +void nft_rule_list_free(struct nft_rule_list *list); +int nft_rule_list_is_empty(struct nft_rule_list *list); +void nft_rule_list_add(struct nft_rule *r, struct nft_rule_list *list); +void nft_rule_list_add_tail(struct nft_rule *r, struct nft_rule_list *list); +void nft_rule_list_del(struct nft_rule *r); +int nft_rule_list_foreach(struct nft_rule_list *rule_list, int (*cb)(struct nft_rule *t, void *data), void *data); + +struct nft_rule_list_iter; + +struct nft_rule_list_iter *nft_rule_list_iter_create(struct nft_rule_list *l); +struct nft_rule *nft_rule_list_iter_cur(struct nft_rule_list_iter *iter); +struct nft_rule *nft_rule_list_iter_next(struct nft_rule_list_iter *iter); +void nft_rule_list_iter_destroy(struct nft_rule_list_iter *iter); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_RULE_H_ */ diff --git a/include/libnftnl/ruleset.h b/include/libnftnl/ruleset.h new file mode 100644 index 0000000..6f89110 --- /dev/null +++ b/include/libnftnl/ruleset.h @@ -0,0 +1,44 @@ +#ifndef _LIBNFTNL_RULESET_H_ +#define _LIBNFTNL_RULESET_H_ + +#include + +#include +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct nft_ruleset; + +struct nft_ruleset *nft_ruleset_alloc(void); +void nft_ruleset_free(struct nft_ruleset *r); + +enum { + NFT_RULESET_ATTR_TABLELIST = 0, + NFT_RULESET_ATTR_CHAINLIST, + NFT_RULESET_ATTR_SETLIST, + NFT_RULESET_ATTR_RULELIST, +}; + +bool nft_ruleset_attr_is_set(const struct nft_ruleset *r, uint16_t attr); +void nft_ruleset_attr_unset(struct nft_ruleset *r, uint16_t attr); +void nft_ruleset_attr_set(struct nft_ruleset *r, uint16_t attr, void *data); +const void *nft_ruleset_attr_get(const struct nft_ruleset *r, uint16_t attr); + +int nft_ruleset_parse(struct nft_ruleset *rs, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_ruleset_parse_file(struct nft_ruleset *rs, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); +int nft_ruleset_snprintf(char *buf, size_t size, const struct nft_ruleset *rs, uint32_t type, uint32_t flags); +int nft_ruleset_fprintf(FILE *fp, const struct nft_ruleset *rs, uint32_t type, uint32_t flags); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_RULESET_H_ */ diff --git a/include/libnftnl/set.h b/include/libnftnl/set.h new file mode 100644 index 0000000..7fa9fb2 --- /dev/null +++ b/include/libnftnl/set.h @@ -0,0 +1,119 @@ +#ifndef _LIBNFTNL_SET_H_ +#define _LIBNFTNL_SET_H_ + +#include +#include +#include +#include + +#include + +enum { + NFT_SET_ATTR_TABLE, + NFT_SET_ATTR_NAME, + NFT_SET_ATTR_FLAGS, + NFT_SET_ATTR_KEY_TYPE, + NFT_SET_ATTR_KEY_LEN, + NFT_SET_ATTR_DATA_TYPE, + NFT_SET_ATTR_DATA_LEN, + NFT_SET_ATTR_FAMILY, +}; + +struct nft_set; + +struct nft_set *nft_set_alloc(void); +void nft_set_free(struct nft_set *s); + +bool nft_set_attr_is_set(const struct nft_set *s, uint16_t attr); +void nft_set_attr_unset(struct nft_set *s, uint16_t attr); +void nft_set_attr_set(struct nft_set *s, uint16_t attr, const void *data); +void nft_set_attr_set_u32(struct nft_set *s, uint16_t attr, uint32_t val); +void nft_set_attr_set_str(struct nft_set *s, uint16_t attr, const char *str); + +const void *nft_set_attr_get(struct nft_set *s, uint16_t attr); +const char *nft_set_attr_get_str(struct nft_set *s, uint16_t attr); +uint32_t nft_set_attr_get_u32(struct nft_set *s, uint16_t attr); + +struct nlmsghdr; + +#define nft_set_nlmsg_build_hdr nft_nlmsg_build_hdr +void nft_set_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set *s); +int nft_set_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set *s); +int nft_set_elems_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set *s); + +int nft_set_snprintf(char *buf, size_t size, struct nft_set *s, uint32_t type, uint32_t flags); +int nft_set_fprintf(FILE *fp, struct nft_set *s, uint32_t type, uint32_t flags); + +struct nft_set_list; + +struct nft_set_list *nft_set_list_alloc(void); +void nft_set_list_free(struct nft_set_list *list); +int nft_set_list_is_empty(struct nft_set_list *list); +void nft_set_list_add(struct nft_set *s, struct nft_set_list *list); +void nft_set_list_add_tail(struct nft_set *s, struct nft_set_list *list); +void nft_set_list_del(struct nft_set *s); +int nft_set_list_foreach(struct nft_set_list *set_list, int (*cb)(struct nft_set *t, void *data), void *data); + +struct nft_set_list_iter; +struct nft_set_list_iter *nft_set_list_iter_create(struct nft_set_list *l); +struct nft_set *nft_set_list_iter_cur(struct nft_set_list_iter *iter); +struct nft_set *nft_set_list_iter_next(struct nft_set_list_iter *iter); +void nft_set_list_iter_destroy(struct nft_set_list_iter *iter); + +int nft_set_parse(struct nft_set *s, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_set_parse_file(struct nft_set *s, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); + +/* + * Set elements + */ + +enum { + NFT_SET_ELEM_ATTR_FLAGS, + NFT_SET_ELEM_ATTR_KEY, + NFT_SET_ELEM_ATTR_VERDICT, + NFT_SET_ELEM_ATTR_CHAIN, + NFT_SET_ELEM_ATTR_DATA, +}; + +struct nft_set_elem; + +struct nft_set_elem *nft_set_elem_alloc(void); +void nft_set_elem_free(struct nft_set_elem *s); + +void nft_set_elem_add(struct nft_set *s, struct nft_set_elem *elem); + +void nft_set_elem_attr_unset(struct nft_set_elem *s, uint16_t attr); +void nft_set_elem_attr_set(struct nft_set_elem *s, uint16_t attr, const void *data, uint32_t data_len); +void nft_set_elem_attr_set_u32(struct nft_set_elem *s, uint16_t attr, uint32_t val); +void nft_set_elem_attr_set_str(struct nft_set_elem *s, uint16_t attr, const char *str); + +const void *nft_set_elem_attr_get(struct nft_set_elem *s, uint16_t attr, uint32_t *data_len); +const char *nft_set_elem_attr_get_str(struct nft_set_elem *s, uint16_t attr); +uint32_t nft_set_elem_attr_get_u32(struct nft_set_elem *s, uint16_t attr); + +bool nft_set_elem_attr_is_set(const struct nft_set_elem *s, uint16_t attr); + +#define nft_set_elem_nlmsg_build_hdr nft_nlmsg_build_hdr +void nft_set_elems_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set *s); +void nft_set_elem_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set_elem *e); + +int nft_set_elem_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set_elem *s); + +int nft_set_elem_parse(struct nft_set_elem *e, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_set_elem_parse_file(struct nft_set_elem *e, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); +int nft_set_elem_snprintf(char *buf, size_t size, struct nft_set_elem *s, uint32_t type, uint32_t flags); +int nft_set_elem_fprintf(FILE *fp, struct nft_set_elem *se, uint32_t type, uint32_t flags); + +int nft_set_elem_foreach(struct nft_set *s, int (*cb)(struct nft_set_elem *e, void *data), void *data); + +struct nft_set_elems_iter; +struct nft_set_elems_iter *nft_set_elems_iter_create(struct nft_set *s); +struct nft_set_elem *nft_set_elems_iter_cur(struct nft_set_elems_iter *iter); +struct nft_set_elem *nft_set_elems_iter_next(struct nft_set_elems_iter *iter); +void nft_set_elems_iter_destroy(struct nft_set_elems_iter *iter); + +#endif /* _LIBNFTNL_SET_H_ */ diff --git a/include/libnftnl/table.h b/include/libnftnl/table.h new file mode 100644 index 0000000..22a8c1b --- /dev/null +++ b/include/libnftnl/table.h @@ -0,0 +1,73 @@ +#ifndef _LIBNFTNL_TABLE_H_ +#define _LIBNFTNL_TABLE_H_ + +#include +#include +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct nft_table; + +struct nft_table *nft_table_alloc(void); +void nft_table_free(struct nft_table *); + +enum { + NFT_TABLE_ATTR_NAME = 0, + NFT_TABLE_ATTR_FAMILY, + NFT_TABLE_ATTR_FLAGS, +}; + +bool nft_table_attr_is_set(const struct nft_table *t, uint16_t attr); +void nft_table_attr_unset(struct nft_table *t, uint16_t attr); +void nft_table_attr_set(struct nft_table *t, uint16_t attr, const void *data); +const void *nft_table_attr_get(struct nft_table *t, uint16_t attr); + +void nft_table_attr_set_u8(struct nft_table *t, uint16_t attr, uint8_t data); +void nft_table_attr_set_u32(struct nft_table *t, uint16_t attr, uint32_t data); +void nft_table_attr_set_str(struct nft_table *t, uint16_t attr, const char *str); +uint8_t nft_table_attr_get_u8(struct nft_table *t, uint16_t attr); +uint32_t nft_table_attr_get_u32(struct nft_table *t, uint16_t attr); +const char *nft_table_attr_get_str(struct nft_table *t, uint16_t attr); + +struct nlmsghdr; + +void nft_table_nlmsg_build_payload(struct nlmsghdr *nlh, const struct nft_table *t); + +int nft_table_parse(struct nft_table *t, enum nft_parse_type type, + const char *data, struct nft_parse_err *err); +int nft_table_parse_file(struct nft_table *t, enum nft_parse_type type, + FILE *fp, struct nft_parse_err *err); +int nft_table_snprintf(char *buf, size_t size, struct nft_table *t, uint32_t type, uint32_t flags); +int nft_table_fprintf(FILE *fp, struct nft_table *t, uint32_t type, uint32_t flags); + +#define nft_table_nlmsg_build_hdr nft_nlmsg_build_hdr +int nft_table_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_table *t); + +struct nft_table_list; + +struct nft_table_list *nft_table_list_alloc(void); +void nft_table_list_free(struct nft_table_list *list); +int nft_table_list_is_empty(struct nft_table_list *list); +int nft_table_list_foreach(struct nft_table_list *table_list, int (*cb)(struct nft_table *t, void *data), void *data); + +void nft_table_list_add(struct nft_table *r, struct nft_table_list *list); +void nft_table_list_add_tail(struct nft_table *r, struct nft_table_list *list); +void nft_table_list_del(struct nft_table *r); + +struct nft_table_list_iter; + +struct nft_table_list_iter *nft_table_list_iter_create(struct nft_table_list *l); +struct nft_table *nft_table_list_iter_next(struct nft_table_list_iter *iter); +void nft_table_list_iter_destroy(struct nft_table_list_iter *iter); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_TABLE_H_ */ -- cgit v1.2.3