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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/zziplib/bins/zzxorcat.c')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/zziplib/bins/zzxorcat.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/Build/source/texk/web2c/luatexdir/zziplib/bins/zzxorcat.c b/Build/source/texk/web2c/luatexdir/zziplib/bins/zzxorcat.c deleted file mode 100644 index 97fcd51fd32..00000000000 --- a/Build/source/texk/web2c/luatexdir/zziplib/bins/zzxorcat.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 2000,2001,2002 Guido Draheim <guidod@gmx.de> - * Use freely under the restrictions of the ZLIB License - * - * show zip-reading with xor-obfuscation. - * Note that the difference to the standard zzcat.c is quite small. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <zzip/zzip.h> -#include <zzip/plugin.h> - -#if defined ZZIP_HAVE_UNISTD_H -#include <unistd.h> -#elif defined ZZIP_HAVE_IO_H -#include <io.h> -#else -#error need posix io for this example -#endif - -#ifndef O_BINARY -#define O_BINARY 0 -#endif - -static const char usage[] = -{ - " zzxorcat [-#] <file>... \n" - " - prints the file to stdout, so you may want to redirect the output; \n" - " the file is part of an inflated zip-archive obfuscated with xor value,\n" - " given by the numeric option (default is 0x55). \n" - " to get 'README' from dist.dat you may write \n" - " zzcat dist/README \n" -}; - -static int xor_value; - -static zzip_ssize_t xor_read (int f, void* p, zzip_size_t l) -{ - zzip_ssize_t r = read(f, p, l); - zzip_ssize_t x; char* q; for (x=0, q=p; x < r; x++) q[x] ^= xor_value; - return r; -} - -static zzip_plugin_io_handlers xor_handlers; -static zzip_strings_t xor_fileext[] = { ".dat", "", 0 }; - -int -main (int argc, char ** argv) -{ - int argn; - xor_value = 0x55; - - if (argc <= 1 || ! strcmp (argv[1], "--help")) - { - printf (usage); - return 0; - } - if (! strcmp (argv[1], "--version")) - { - printf (__FILE__" version "ZZIP_PACKAGE" "ZZIP_VERSION"\n"); - return 0; - } - - zzip_init_io (&xor_handlers, 0); xor_handlers.fd.read = &xor_read; - - for (argn=1; argn < argc; argn++) - { - ZZIP_FILE* fp; - - if (argv[argn][0] == '-') - { - if (isdigit(argv[argn][1])) xor_value = atoi (argv[argn]+1); - continue; - } - - fp = zzip_open_ext_io (argv[argn], O_RDONLY|O_BINARY, - ZZIP_CASELESS|ZZIP_ONLYZIP, - xor_fileext, &xor_handlers); - if (! fp) - { - perror (argv[argn]); - continue; - }else{ - char buf[17]; - zzip_ssize_t n; - - /* read chunks of 16 bytes into buf and print them to stdout */ - while (0 < (n = zzip_read(fp, buf, 16))) - { - buf[n] = '\0'; -# ifdef STDOUT_FILENO - write (STDOUT_FILENO, buf, n); -# else - fwrite (buf, 1, n, stdout); -# endif - } - - if (n == -1) - perror (argv[n]); - } - } - - return 0; -} - -/* - * Local variables: - * c-file-style: "stroustrup" - * End: - */ |