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/* Copyright (C) 2014 eperi GmbH.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/******************************************************************//**
@file Parser.h
A structure and class to keep keys for encryption/decryption.
Created 09/15/2014
***********************************************************************/
#include <my_crypt.h>
#include <ctype.h>
#include <map>
#include <stdlib.h> /* size_t */
struct keyentry {
unsigned int id;
unsigned char key[MY_AES_MAX_KEY_LENGTH];
unsigned int length;
};
class Parser
{
const char *filename;
const char *filekey;
unsigned int line_number;
unsigned int from_hex(char c)
{ return c <= '9' ? c - '0' : tolower(c) - 'a' + 10; }
void bytes_to_key(const unsigned char *salt, const char *secret,
unsigned char *key, unsigned char *iv);
bool read_filekey(const char *filekey, char *secret);
bool parse_file(std::map<unsigned int ,keyentry> *keys, const char *secret);
void report_error(const char *reason, size_t position);
int parse_line(char **line_ptr, keyentry *key);
char* read_and_decrypt_file(const char *secret);
public:
Parser(const char* fn, const char *fk) :
filename(fn), filekey(fk), line_number(0) { }
bool parse(std::map<unsigned int ,keyentry> *keys);
};
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