fwknop/common/fko_util.h

74 lines
2.6 KiB
C

/*
*****************************************************************************
*
* File: fko_util.h
*
* Purpose: Header for utility functions used by libfko
*
* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
* Copyright (C) 2009-2014 fwknop developers and contributors. For a full
* list of contributors, see the file 'CREDITS'.
*
* License (GNU General Public License):
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*****************************************************************************
*/
#ifndef FKO_UTIL_H
#define FKO_UTIL_H 1
#include "fko.h"
/* Function prototypes
*/
int is_valid_encoded_msg_len(const int len);
int is_valid_pt_msg_len(const int len);
int is_valid_ipv4_addr(const char * const ip_str);
int is_base64(const unsigned char * const buf, const unsigned short int len);
int enc_mode_strtoint(const char *enc_mode_str);
short enc_mode_inttostr(int enc_mode, char* enc_mode_str, size_t enc_mode_size);
int strtol_wrapper(const char * const str, const int min,
const int max, const int exit_upon_err, int *is_err);
short digest_strtoint(const char *dt_str);
short digest_inttostr(int digest, char* digest_str, size_t digest_size);
short hmac_digest_strtoint(const char *dt_str);
short hmac_digest_inttostr(int digest, char* digest_str, size_t digest_size);
int constant_runtime_cmp(const char *a, const char *b, int len);
int zero_free(char *buf, int len);
int zero_buf(char *buf, int len);
const char * enc_type_inttostr(const int type);
const char * msg_type_inttostr(const int type);
#if !HAVE_STRLCAT
size_t strlcat(char *dst, const char *src, size_t siz);
#endif
#if !HAVE_STRLCPY
size_t strlcpy(char *dst, const char *src, size_t siz);
#endif
#if defined(WIN32) || !defined(HAVE_STRNDUP)
char * strndup( const char * s, size_t len );
#endif
int dump_ctx_to_buffer(fko_ctx_t ctx, char *dump_buf, size_t dump_buf_len);
#endif /* FKO_UTIL_H */
/***EOF***/