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57 lines
1.5 KiB
57 lines
1.5 KiB
/* |
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* Copyright (C) The c-ares project |
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* |
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* Permission to use, copy, modify, and distribute this |
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* software and its documentation for any purpose and without |
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* fee is hereby granted, provided that the above copyright |
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* notice appear in all copies and that both that copyright |
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* notice and this permission notice appear in supporting |
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* documentation, and that the name of M.I.T. not be used in |
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* advertising or publicity pertaining to distribution of the |
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* software without specific, written prior permission. |
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* M.I.T. makes no representations about the suitability of |
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* this software for any purpose. It is provided "as is" |
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* without express or implied warranty. |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <sys/types.h> |
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#include <fcntl.h> |
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#ifdef _MSC_VER |
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# include <io.h> |
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#else |
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# include <unistd.h> |
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#endif |
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#include <iostream> |
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#include <vector> |
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#include "dns-proto.h" |
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namespace ares { |
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static void ShowFile(const char* filename) { |
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int fd = open(filename, O_RDONLY); |
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if (fd < 0) { |
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std::cerr << "Failed to open '" << filename << "'" << std::endl; |
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return; |
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} |
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std::vector<unsigned char> contents; |
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while (true) { |
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unsigned char buffer[1024]; |
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ares_ssize_t len = read(fd, buffer, sizeof(buffer)); |
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if (len <= 0) break; |
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contents.insert(contents.end(), buffer, buffer + len); |
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} |
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std::cout << PacketToString(contents) << std::endl; |
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} |
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} // namespace ares |
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int main(int argc, char* argv[]) { |
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for (int ii = 1; ii < argc; ++ii) { |
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ares::ShowFile(argv[ii]); |
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} |
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return 0; |
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} |
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