add json/redis rule parser

src/inc_internal/maat_utils.h

@@ -30,6 +30,8 @@ extern "C"
 #define MIN(a, b)  	(((a) < (b)) ? (a) : (b))
 #endif
 
+#define UNUSED	__attribute__((unused))
+
 char *maat_strdup(const char *s);
 
 int get_column_pos(const char *line, int column_seq, size_t *offset, size_t *len);
@@ -42,6 +44,19 @@ char *str_unescape_and(char *s);
 
 char *str_unescape(char *s);
 
+char *md5_file(const char *filename, char *md5string);
+
+int decrypt_open(const char* file_name, const char* key, const char* algorithm, 
+                 unsigned char**pp_out, size_t *out_sz, char* err_str, size_t err_str_sz);
+
+int crypt_memory(const unsigned char *inbuf, size_t inlen, unsigned char **pp_out, size_t *out_sz, 
+                 const char *key, const char *algorithm, int do_encrypt, char *err_str, size_t err_str_sz);
+
+int gzip_uncompress(const unsigned char *in_compressed_data, size_t in_compressed_sz, 
+                    unsigned char **out_uncompressed_data, size_t *out_uncompressed_sz);
+
+size_t memcat(void **dest, size_t offset, size_t *n_dest, const void *src, size_t n_src);
+
 /* system cmd wrapper */
 int system_cmd_mkdir(const char* path);