src/test/test-dissect-image.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <stdio.h>
   5
   6 #include "dissect-image.h"
   7 #include "log.h"
   8 #include "loop-util.h"
   9 #include "string-util.h"
  10 #include "tests.h"
  11
  12 int main(int argc, char *argv[]) {
  13         _cleanup_(loop_device_unrefp) LoopDevice *d = NULL;
  14         _cleanup_(dissected_image_unrefp) DissectedImage *m = NULL;
  15         int r, i;
  16
  17         test_setup_logging(LOG_DEBUG);
  18
  19         if (argc < 2) {
  20                 log_error("Requires one command line argument.");
  21                 return EXIT_FAILURE;
  22         }
  23
  24         r = loop_device_make_by_path(argv[1], O_RDONLY, &d);
  25         if (r < 0) {
  26                 log_error_errno(r, "Failed to set up loopback device: %m");
  27                 return EXIT_FAILURE;
  28         }
  29
  30         r = dissect_image(d->fd, NULL, 0, DISSECT_IMAGE_REQUIRE_ROOT, &m);
  31         if (r < 0) {
  32                 log_error_errno(r, "Failed to dissect image: %m");
  33                 return EXIT_FAILURE;
  34         }
  35
  36         for (i = 0; i < _PARTITION_DESIGNATOR_MAX; i++) {
  37
  38                 if (!m->partitions[i].found)
  39                         continue;
  40
  41                 printf("Found %s partition, %s of type %s at #%i (%s)\n",
  42                        partition_designator_to_string(i),
  43                        m->partitions[i].rw ? "writable" : "read-only",
  44                        strna(m->partitions[i].fstype),
  45                        m->partitions[i].partno,
  46                        strna(m->partitions[i].node));
  47         }
  48
  49         return EXIT_SUCCESS;
  50 }