freebsd-dev/sbin/md5/md5.c

215 lines
4.3 KiB
C

/*
* Derived from:
*
* MDDRIVER.C - test driver for MD2, MD4 and MD5
*/
/*
* Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
* rights reserved.
*
* RSA Data Security, Inc. makes no representations concerning either
* the merchantability of this software or the suitability of this
* software for any particular purpose. It is provided "as is"
* without express or implied warranty of any kind.
*
* These notices must be retained in any copies of any part of this
* documentation and/or software.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <err.h>
#include <md5.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
/*
* Length of test block, number of test blocks.
*/
#define TEST_BLOCK_LEN 10000
#define TEST_BLOCK_COUNT 100000
int qflag;
int rflag;
static void MDString(const char *);
static void MDTimeTrial(void);
static void MDTestSuite(void);
static void MDFilter(int);
static void usage(void);
/* Main driver.
Arguments (may be any combination):
-sstring - digests string
-t - runs time trial
-x - runs test script
filename - digests file
(none) - digests standard input
*/
int
main(int argc, char *argv[])
{
int ch;
char *p;
char buf[33];
while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
switch (ch) {
case 'p':
MDFilter(1);
break;
case 'q':
qflag = 1;
break;
case 'r':
rflag = 1;
break;
case 's':
MDString(optarg);
break;
case 't':
MDTimeTrial();
break;
case 'x':
MDTestSuite();
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (*argv) {
do {
p = MD5File(*argv, buf);
if (!p)
warn("%s", *argv);
else
if (qflag)
printf("%s\n", p);
else if (rflag)
printf("%s %s\n", p, *argv);
else
printf("MD5 (%s) = %s\n", *argv, p);
} while (*++argv);
} else if (optind == 1 || qflag || rflag)
MDFilter(0);
return (0);
}
/*
* Digests a string and prints the result.
*/
static void
MDString(const char *string)
{
size_t len = strlen(string);
char buf[33];
if (qflag)
printf("%s\n", MD5Data(string, len, buf));
else if (rflag)
printf("%s \"%s\"\n", MD5Data(string, len, buf), string);
else
printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
}
/*
* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
*/
static void
MDTimeTrial(void)
{
MD5_CTX context;
time_t endTime, startTime;
unsigned char block[TEST_BLOCK_LEN];
unsigned int i;
char *p, buf[33];
printf
("MD5 time trial. Digesting %d %d-byte blocks ...",
TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
fflush(stdout);
/* Initialize block */
for (i = 0; i < TEST_BLOCK_LEN; i++)
block[i] = (unsigned char) (i & 0xff);
/* Start timer */
time(&startTime);
/* Digest blocks */
MD5Init(&context);
for (i = 0; i < TEST_BLOCK_COUNT; i++)
MD5Update(&context, block, TEST_BLOCK_LEN);
p = MD5End(&context,buf);
/* Stop timer */
time(&endTime);
printf(" done\n");
printf("Digest = %s", p);
printf("\nTime = %ld seconds\n", (long) (endTime - startTime));
/* Be careful that endTime-startTime is not zero. (Bug fix from Ric
* Anderson, ric@Artisoft.COM.) */
printf
("Speed = %ld bytes/second\n",
(long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT / ((endTime - startTime) != 0 ? (long)(endTime - startTime) : 1));
}
/*
* Digests a reference suite of strings and prints the results.
*/
static void
MDTestSuite(void)
{
printf("MD5 test suite:\n");
MDString("");
MDString("a");
MDString("abc");
MDString("message digest");
MDString("abcdefghijklmnopqrstuvwxyz");
MDString
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
MDString
("1234567890123456789012345678901234567890\
1234567890123456789012345678901234567890");
}
/*
* Digests the standard input and prints the result.
*/
static void
MDFilter(int tee)
{
MD5_CTX context;
unsigned int len;
unsigned char buffer[BUFSIZ];
char buf[33];
MD5Init(&context);
while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
if (tee && len != fwrite(buffer, 1, len, stdout))
err(1, "stdout");
MD5Update(&context, buffer, len);
}
printf("%s\n", MD5End(&context,buf));
}
static void
usage(void)
{
fprintf(stderr, "usage: md5 [-pqrtx] [-s string] [files ...]\n");
exit(1);
}