Add sha1_main.c
This commit is contained in:
twinaphex
parent
34dd03a16f
commit
2e9c5ba6f9
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@ -21,6 +21,14 @@
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#ifdef WIN32
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#include <io.h>
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#endif
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#include <fcntl.h>
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#include <string/stdstring.h>
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#ifndef _SHA1_H_
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#define _SHA1_H_
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@ -411,183 +419,3 @@ void SHA1PadMessage(SHA1Context *context)
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SHA1ProcessMessageBlock(context);
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}
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#ifdef SHA1_BUILD_UTILITY
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/*
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* sha.cpp
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*
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* Copyright (C) 1998, 2009
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* Paul E. Jones <paulej@packetizer.com>
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* All Rights Reserved
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*
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*****************************************************************************
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* $Id: sha.c 12 2009-06-22 19:34:25Z paulej $
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*****************************************************************************
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*
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* Description:
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* This utility will display the message digest (fingerprint) for
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* the specified file(s).
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*
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* Portability Issues:
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* None.
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*/
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#include <stdio.h>
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#include <string.h>
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#ifdef WIN32
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#include <io.h>
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#endif
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#include <fcntl.h>
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#include <string/stdstring.h>
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/*#include "sha1.h"*/
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/*
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* Function prototype
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*/
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void usage(void);
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/*
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* main
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*
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* Description:
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* This is the entry point for the program
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*
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* Parameters:
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* argc: [in]
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* This is the count of arguments in the argv array
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* argv: [in]
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* This is an array of filenames for which to compute message
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* digests
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*
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* Returns:
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* Nothing.
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*
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* Comments:
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*
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*/
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int main(int argc, char *argv[])
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{
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SHA1Context sha; /* SHA-1 context */
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FILE *fp; /* File pointer for reading files*/
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char c; /* Character read from file */
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int i; /* Counter */
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int reading_stdin; /* Are we reading standard in? */
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int read_stdin = 0; /* Have we read stdin? */
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/*
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* Check the program arguments and print usage information if -?
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* or --help is passed as the first argument.
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*/
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if (argc > 1 && (string_is_equal(argv[1],"-?") ||
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string_is_equal(argv[1],"--help")))
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{
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usage();
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return 1;
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}
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/*
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* For each filename passed in on the command line, calculate the
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* SHA-1 value and display it.
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*/
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for(i = 0; i < argc; i++)
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{
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/*
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* We start the counter at 0 to guarantee entry into the for
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* loop. So if 'i' is zero, we will increment it now. If there
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* is no argv[1], we will use STDIN below.
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*/
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if (i == 0)
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i++;
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if (argc == 1 || string_is_equal(argv[i],"-"))
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{
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#ifdef WIN32
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setmode(fileno(stdin), _O_BINARY);
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#endif
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fp = stdin;
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reading_stdin = 1;
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}
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else
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{
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if (!(fp = fopen(argv[i],"rb")))
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{
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fprintf(stderr,
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"sha: unable to open file %s\n",
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argv[i]);
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return 2;
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}
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reading_stdin = 0;
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}
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/*
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* We do not want to read STDIN multiple times
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*/
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if (reading_stdin)
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{
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if (read_stdin)
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continue;
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read_stdin = 1;
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}
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/*
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* Reset the SHA-1 context and process input
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*/
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SHA1Reset(&sha);
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c = fgetc(fp);
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while(!feof(fp))
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{
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SHA1Input(&sha, &c, 1);
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c = fgetc(fp);
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}
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if (!reading_stdin)
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fclose(fp);
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if (!SHA1Result(&sha))
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{
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fprintf(stderr,
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"sha: could not compute message digest for %s\n",
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reading_stdin?"STDIN":argv[i]);
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}
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else
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{
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printf( "%08X %08X %08X %08X %08X - %s\n",
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sha.Message_Digest[0],
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sha.Message_Digest[1],
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sha.Message_Digest[2],
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sha.Message_Digest[3],
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sha.Message_Digest[4],
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reading_stdin?"STDIN":argv[i]);
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}
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}
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return 0;
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}
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/*
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* usage
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*
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* Description:
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* This function will display program usage information to the
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* user.
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*
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* Parameters:
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* None.
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*
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* Returns:
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* Nothing.
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*
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* Comments:
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*
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*/
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void usage(void)
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{
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printf("usage: sha <file> [<file> ...]\n");
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printf("\tThis program will display the message digest\n");
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printf("\tfor files using the Secure Hashing Algorithm (SHA-1).\n");
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}
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#endif
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@ -0,0 +1,176 @@
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/*
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* sha.cpp
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*
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* Copyright (C) 1998, 2009
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* Paul E. Jones <paulej@packetizer.com>
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* All Rights Reserved
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*
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*****************************************************************************
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* $Id: sha.c 12 2009-06-22 19:34:25Z paulej $
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*****************************************************************************
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*
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* Description:
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* This utility will display the message digest (fingerprint) for
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* the specified file(s).
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*
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* Portability Issues:
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* None.
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*/
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#include <stdio.h>
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#include <string.h>
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#ifdef WIN32
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#include <io.h>
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#endif
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#include <fcntl.h>
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#include <string/stdstring.h>
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/*#include "sha1.h"*/
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/*
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* Function prototype
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*/
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void usage(void);
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/*
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* main
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*
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* Description:
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* This is the entry point for the program
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*
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* Parameters:
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* argc: [in]
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* This is the count of arguments in the argv array
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* argv: [in]
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* This is an array of filenames for which to compute message
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* digests
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*
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* Returns:
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* Nothing.
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*
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* Comments:
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*
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*/
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int main(int argc, char *argv[])
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{
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SHA1Context sha; /* SHA-1 context */
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FILE *fp; /* File pointer for reading files*/
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char c; /* Character read from file */
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int i; /* Counter */
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int reading_stdin; /* Are we reading standard in? */
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int read_stdin = 0; /* Have we read stdin? */
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/*
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* Check the program arguments and print usage information if -?
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* or --help is passed as the first argument.
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*/
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if (argc > 1 && (string_is_equal(argv[1],"-?") ||
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string_is_equal(argv[1],"--help")))
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{
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usage();
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return 1;
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}
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/*
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* For each filename passed in on the command line, calculate the
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* SHA-1 value and display it.
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*/
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for(i = 0; i < argc; i++)
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{
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/*
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* We start the counter at 0 to guarantee entry into the for
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* loop. So if 'i' is zero, we will increment it now. If there
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* is no argv[1], we will use STDIN below.
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*/
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if (i == 0)
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i++;
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if (argc == 1 || string_is_equal(argv[i],"-"))
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{
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#ifdef WIN32
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setmode(fileno(stdin), _O_BINARY);
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#endif
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fp = stdin;
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reading_stdin = 1;
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}
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else
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{
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if (!(fp = fopen(argv[i],"rb")))
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{
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fprintf(stderr,
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"sha: unable to open file %s\n",
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argv[i]);
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return 2;
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}
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reading_stdin = 0;
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}
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/*
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* We do not want to read STDIN multiple times
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*/
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if (reading_stdin)
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{
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if (read_stdin)
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continue;
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read_stdin = 1;
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}
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/*
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* Reset the SHA-1 context and process input
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*/
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SHA1Reset(&sha);
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c = fgetc(fp);
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while(!feof(fp))
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{
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SHA1Input(&sha, &c, 1);
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c = fgetc(fp);
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}
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if (!reading_stdin)
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fclose(fp);
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if (!SHA1Result(&sha))
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{
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fprintf(stderr,
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"sha: could not compute message digest for %s\n",
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reading_stdin?"STDIN":argv[i]);
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}
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else
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{
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printf( "%08X %08X %08X %08X %08X - %s\n",
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sha.Message_Digest[0],
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sha.Message_Digest[1],
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sha.Message_Digest[2],
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sha.Message_Digest[3],
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sha.Message_Digest[4],
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reading_stdin?"STDIN":argv[i]);
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}
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}
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return 0;
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}
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/*
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* usage
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*
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* Description:
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* This function will display program usage information to the
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* user.
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*
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* Parameters:
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* None.
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*
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* Returns:
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* Nothing.
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*
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* Comments:
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*
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*/
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void usage(void)
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{
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printf("usage: sha <file> [<file> ...]\n");
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printf("\tThis program will display the message digest\n");
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printf("\tfor files using the Secure Hashing Algorithm (SHA-1).\n");
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}
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