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71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*
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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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/*
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This is just like the normal hash application, but uses the Unix I/O
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system calls instead of C++ iostreams. Previously, this version was
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much faster and smaller, but GCC 3.1's libstdc++ seems to have been
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improved enough that the difference is now fairly minimal.
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Nicely enough, doing the change required changing only about 3 lines
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of code.
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*/
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#include <iostream>
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#include <botan/botan.h>
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#if !defined(BOTAN_HAS_PIPE_UNIXFD_IO)
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#error "You didn't compile the pipe_unixfd module into Botan"
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#endif
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#include <fcntl.h>
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#include <unistd.h>
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int main(int argc, char* argv[])
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{
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if(argc < 3)
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{
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std::cout << "Usage: " << argv[0] << " digest <filenames>" << std::endl;
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return 1;
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}
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Botan::LibraryInitializer init;
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try
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{
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Botan::Pipe pipe(new Botan::Hash_Filter(argv[1]),
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new Botan::Hex_Encoder);
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int skipped = 0;
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for(int j = 2; argv[j] != 0; j++)
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{
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int file = open(argv[j], O_RDONLY);
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if(file == -1)
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{
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std::cout << "ERROR: could not open " << argv[j] << std::endl;
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skipped++;
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continue;
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}
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pipe.start_msg();
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file >> pipe;
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pipe.end_msg();
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close(file);
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pipe.set_default_msg(j-2-skipped);
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std::cout << pipe << " " << argv[j] << std::endl;
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}
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}
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catch(Botan::Algorithm_Not_Found)
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{
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std::cout << "Don't know about the hash function \"" << argv[1] << "\""
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<< std::endl;
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}
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catch(std::exception& e)
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{
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std::cout << "Exception caught: " << e.what() << std::endl;
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}
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return 0;
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}
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