author | Markus Bröker <mbroeker@volpe.spectre.org> |
Wed, 18 Aug 2010 16:17:00 +0200 | |
changeset 142 | d6bce20b455e |
parent 121 | fef2ccfa7b12 |
permissions | -rw-r--r-- |
77 | 1 |
/** |
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* lsflib/tools/dump.c |
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* Copyright (C) 2008 Markus Broeker |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <fcntl.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <getopt.h> |
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#include <lsf/bits.h> |
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int main (int argc, char **argv) |
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{ |
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int fd;; |
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int len; |
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int i; |
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char buffer[81]; |
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char key = 0xf3; |
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int use_BINARY, use_NOT, use_HEX, use_XOR; |
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|
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use_XOR = use_HEX = use_BINARY = use_NOT = *buffer = 0; |
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while ((i = getopt (argc, argv, "bhnk:x?")) >= 0) { |
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switch (i) { |
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case 'b': |
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use_BINARY = 1; |
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break; |
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case 'h': |
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use_HEX = 1; |
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break; |
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case 'k': |
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key = atoi (optarg); |
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break; |
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case 'n': |
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use_NOT = 1; |
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break; |
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case 'x': |
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use_XOR = 1; |
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break; |
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case '?': |
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printf ("Usage: %s [ -b|-h|-n|-x|-? ] [ file ]\n", argv[0]); |
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printf ("b: binary\nh: hex\nn: not\nx: xor\n"); |
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printf ("If no filename is given, stdin is assumed\n"); |
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return 0; |
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} |
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} |
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if (optind == argc) |
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fd = fileno (stdin); |
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else { |
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if ((fd = open (argv[optind], O_RDONLY)) == -1) { |
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perror ("OPEN"); |
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return EXIT_SUCCESS; |
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} |
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} |
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while ((len = read (fd, buffer, 1)) > 0) { |
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buffer[len] = 0; |
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if (use_BINARY && use_XOR && use_NOT) { |
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bindump (not (xor (buffer, key)), BITS); |
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} else if (use_BINARY && use_XOR) { |
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bindump (xor (buffer, key), BITS); |
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} else if (use_BINARY && use_NOT) { |
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bindump (not (buffer), BITS); |
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} else if (use_BINARY) { |
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bindump (buffer, BITS); |
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} else if (use_HEX && use_XOR && use_NOT) { |
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hexdump (not (xor (buffer, key)), len); |
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} else if (use_HEX && use_XOR) { |
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hexdump (xor (buffer, key), len); |
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} else if (use_HEX && use_NOT) { |
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hexdump (not (buffer), len); |
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} else if (use_HEX) { |
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hexdump (buffer, len); |
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} else if (use_XOR && use_NOT) { |
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printf ("%s", not (xor (buffer, key))); |
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} else if (use_XOR) { |
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printf ("%s", xor (buffer, key)); |
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} else if (use_NOT) { |
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printf ("%s", not (buffer)); |
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} else |
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printf ("%s", buffer); |
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} |
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close (fd); |
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return 0; |
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} |