md5cmp.c 2.2 KB

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  1. /*
  2. * Copyright (C)2013, 2016 D. R. Commander. All Rights Reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions are met:
  6. *
  7. * - Redistributions of source code must retain the above copyright notice,
  8. * this list of conditions and the following disclaimer.
  9. * - Redistributions in binary form must reproduce the above copyright notice,
  10. * this list of conditions and the following disclaimer in the documentation
  11. * and/or other materials provided with the distribution.
  12. * - Neither the name of the libjpeg-turbo Project nor the names of its
  13. * contributors may be used to endorse or promote products derived from this
  14. * software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
  17. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
  20. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26. * POSSIBILITY OF SUCH DAMAGE.
  27. */
  28. #include <stdio.h>
  29. #include <string.h>
  30. #include <sys/types.h>
  31. #include "./md5.h"
  32. #include "../tjutil.h"
  33. int main(int argc, char *argv[])
  34. {
  35. char *md5sum = NULL, buf[65];
  36. if (argc < 3) {
  37. fprintf(stderr, "USAGE: %s <correct MD5 sum> <file>\n", argv[0]);
  38. return -1;
  39. }
  40. if (strlen(argv[1]) != 32)
  41. fprintf(stderr, "WARNING: MD5 hash size is wrong.\n");
  42. md5sum = MD5File(argv[2], buf);
  43. if (!md5sum) {
  44. perror("Could not obtain MD5 sum");
  45. return -1;
  46. }
  47. if (!strcasecmp(md5sum, argv[1])) {
  48. fprintf(stderr, "%s: OK\n", argv[2]);
  49. return 0;
  50. } else {
  51. fprintf(stderr, "%s: FAILED. Checksum is %s\n", argv[2], md5sum);
  52. return -1;
  53. }
  54. }