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