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/*
* Encode/decode base64 strings
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
#include <cstring>
#include <cstdlib>
#include <botan/botan.h>
int main(int argc, char* argv[])
{
if(argc < 2)
{
std::cout << "Usage: " << argv[0] << " [-w] [-c n] [-e|-d] files...\n"
" -e : Encode input to base64 strings (default) \n"
" -d : Decode base64 input\n"
" -w : Wrap lines\n"
" -c n: Wrap lines at column n, default 78\n";
return 1;
}
Botan::LibraryInitializer init;
int column = 78;
bool wrap = false;
bool encoding = true;
std::vector<std::string> files;
for(int j = 1; argv[j] != 0; j++)
{
std::string this_arg = argv[j];
if(this_arg == "-w")
wrap = true;
else if(this_arg == "-e");
else if(this_arg == "-d")
encoding = false;
else if(this_arg == "-c")
{
if(argv[j+1])
{ column = atoi(argv[j+1]); j++; }
else
{
std::cout << "No argument for -c option" << std::endl;
return 1;
}
}
else files.push_back(argv[j]);
}
for(unsigned int j = 0; j != files.size(); j++)
{
std::istream* stream;
if(files[j] == "-") stream = &std::cin;
else stream = new std::ifstream(files[j].c_str());
if(!*stream)
{
std::cout << "ERROR, couldn't open " << files[j] << std::endl;
continue;
}
Botan::Pipe pipe((encoding) ?
((Botan::Filter*)new Botan::Base64_Encoder(wrap, column)) :
((Botan::Filter*)new Botan::Base64_Decoder));
pipe.start_msg();
*stream >> pipe;
pipe.end_msg();
pipe.set_default_msg(j);
std::cout << pipe;
if(files[j] != "-") delete stream;
}
return 0;
}
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