src: add compat header file definitions

This patch restores the original nft_* definitions from the header files to
avoid sudden compilation breakage of the existing clients of this library.

Then, moving forward the idea is to deprecate the old nft_* symbols anytime
soon using __attribute__((deprecated)) from the header files to warn our users
that they need to update their code.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/include/libnftnl/ruleset.h b/include/libnftnl/ruleset.h
index 12e2495..6c304dc 100644
--- a/include/libnftnl/ruleset.h
+++ b/include/libnftnl/ruleset.h
@@ -70,6 +70,67 @@ int nftnl_ruleset_parse_file(struct nftnl_ruleset *rs, enum nftnl_parse_type typ
 int nftnl_ruleset_snprintf(char *buf, size_t size, const struct nftnl_ruleset *rs, uint32_t type, uint32_t flags);
 int nftnl_ruleset_fprintf(FILE *fp, const struct nftnl_ruleset *rs, uint32_t type, uint32_t flags);
 
+/*
+ * Compat
+ */
+
+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,
+};
+
+enum nft_ruleset_type {
+	NFT_RULESET_UNSPEC = 0,
+	NFT_RULESET_RULESET,
+	NFT_RULESET_TABLE,
+	NFT_RULESET_CHAIN,
+	NFT_RULESET_RULE,
+	NFT_RULESET_SET,
+	NFT_RULESET_SET_ELEMS,
+};
+
+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);
+void *nft_ruleset_attr_get(const struct nft_ruleset *r, uint16_t attr);
+
+enum {
+	NFT_RULESET_CTX_CMD = 0,
+	NFT_RULESET_CTX_TYPE,
+	NFT_RULESET_CTX_TABLE,
+	NFT_RULESET_CTX_CHAIN,
+	NFT_RULESET_CTX_RULE,
+	NFT_RULESET_CTX_SET,
+	NFT_RULESET_CTX_DATA,
+};
+
+struct nft_parse_ctx;
+void nft_ruleset_ctx_free(const struct nft_parse_ctx *ctx);
+bool nft_ruleset_ctx_is_set(const struct nft_parse_ctx *ctx, uint16_t attr);
+void *nft_ruleset_ctx_get(const struct nft_parse_ctx *ctx, uint16_t attr);
+uint32_t nft_ruleset_ctx_get_u32(const struct nft_parse_ctx *ctx,
+				 uint16_t attr);
+
+int nft_ruleset_parse_file_cb(enum nft_parse_type type, FILE *fp,
+			      struct nft_parse_err *err, void *data,
+			      int (*cb)(const struct nft_parse_ctx *ctx));
+int nft_ruleset_parse_buffer_cb(enum nft_parse_type type, const char *buffer,
+				struct nft_parse_err *err, void *data,
+				int (*cb)(const struct nft_parse_ctx *ctx));
+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