mirror of https://github.com/sudo-project/sudo.git
141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sudo_compat.h>
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#include <sudo_fatal.h>
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#include <sudo_queue.h>
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#include <sudo_digest.h>
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#include <sudo_util.h>
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#include <parse.h>
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sudo_dso_public int main(int argc, char *argv[]);
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#define NUM_TESTS 8
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static const char *test_strings[NUM_TESTS] = {
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"",
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"a",
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"abc",
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"message digest",
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"abcdefghijklmnopqrstuvwxyz",
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"12345678901234567890123456789012345678901234567890123456789"
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"012345678901234567890",
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};
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static unsigned char *
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check_digest(unsigned int digest_type, const char *buf, size_t buflen,
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size_t *digest_len)
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{
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char tfile[] = "digest.XXXXXX";
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unsigned char *digest = NULL;
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int tfd;
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/* Write test data to temporary file. */
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tfd = mkstemp(tfile);
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if (tfd == -1) {
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sudo_warn_nodebug("mkstemp");
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goto done;
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}
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if ((size_t)write(tfd, buf, buflen) != buflen) {
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sudo_warn_nodebug("write");
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goto done;
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}
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lseek(tfd, 0, SEEK_SET);
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/* Get file digest. */
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digest = sudo_filedigest(tfd, tfile, digest_type, digest_len);
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if (digest == NULL) {
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/* Warning (if any) printed by sudo_filedigest() */
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goto done;
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}
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done:
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if (tfd != -1) {
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close(tfd);
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unlink(tfile);
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}
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return digest;
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}
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int
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main(int argc, char *argv[])
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{
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static const char hex[] = "0123456789abcdef";
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char buf[1000 * 1000];
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unsigned char *digest;
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unsigned int i, j;
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size_t digest_len;
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int ch;
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unsigned int digest_type;
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initprogname(argc > 0 ? argv[0] : "check_digest");
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while ((ch = getopt(argc, argv, "v")) != -1) {
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switch (ch) {
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case 'v':
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/* ignored */
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break;
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default:
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fprintf(stderr, "usage: %s [-v]\n", getprogname());
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return EXIT_FAILURE;
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}
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}
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argc -= optind;
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argv += optind;
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for (digest_type = 0; digest_type < SUDO_DIGEST_INVALID; digest_type++) {
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for (i = 0; i < NUM_TESTS; i++) {
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digest = check_digest(digest_type, test_strings[i],
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strlen(test_strings[i]), &digest_len);
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if (digest != NULL) {
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printf("%s (\"%s\") = ", digest_type_to_name(digest_type),
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test_strings[i]);
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for (j = 0; j < digest_len; j++) {
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putchar(hex[digest[j] >> 4]);
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putchar(hex[digest[j] & 0x0f]);
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}
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putchar('\n');
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free(digest);
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}
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}
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/* Simulate a string of a million 'a' characters. */
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memset(buf, 'a', sizeof(buf));
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digest = check_digest(digest_type, buf, sizeof(buf), &digest_len);
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if (digest != NULL) {
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printf("%s (one million 'a' characters) = ",
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digest_type_to_name(digest_type));
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for (j = 0; j < digest_len; j++) {
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putchar(hex[digest[j] >> 4]);
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putchar(hex[digest[j] & 0x0f]);
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}
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putchar('\n');
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free(digest);
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}
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}
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return 0;
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}
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