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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
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2 | |
3 | #include <fcntl.h> | |
e08f94ac | 4 | #include <linux/loop.h> |
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5 | #include <stdio.h> |
6 | ||
7 | #include "dissect-image.h" | |
8 | #include "log.h" | |
9 | #include "loop-util.h" | |
10 | #include "string-util.h" | |
6d7c4033 | 11 | #include "tests.h" |
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12 | |
13 | int main(int argc, char *argv[]) { | |
14 | _cleanup_(loop_device_unrefp) LoopDevice *d = NULL; | |
15 | _cleanup_(dissected_image_unrefp) DissectedImage *m = NULL; | |
16 | int r, i; | |
17 | ||
6d7c4033 | 18 | test_setup_logging(LOG_DEBUG); |
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19 | |
20 | if (argc < 2) { | |
21 | log_error("Requires one command line argument."); | |
22 | return EXIT_FAILURE; | |
23 | } | |
24 | ||
e08f94ac | 25 | r = loop_device_make_by_path(argv[1], O_RDONLY, LO_FLAGS_PARTSCAN, &d); |
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26 | if (r < 0) { |
27 | log_error_errno(r, "Failed to set up loopback device: %m"); | |
28 | return EXIT_FAILURE; | |
29 | } | |
30 | ||
e0f9e7bd | 31 | r = dissect_image(d->fd, NULL, 0, DISSECT_IMAGE_REQUIRE_ROOT, &m); |
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32 | if (r < 0) { |
33 | log_error_errno(r, "Failed to dissect image: %m"); | |
34 | return EXIT_FAILURE; | |
35 | } | |
36 | ||
37 | for (i = 0; i < _PARTITION_DESIGNATOR_MAX; i++) { | |
38 | ||
39 | if (!m->partitions[i].found) | |
40 | continue; | |
41 | ||
42 | printf("Found %s partition, %s of type %s at #%i (%s)\n", | |
43 | partition_designator_to_string(i), | |
44 | m->partitions[i].rw ? "writable" : "read-only", | |
45 | strna(m->partitions[i].fstype), | |
46 | m->partitions[i].partno, | |
47 | strna(m->partitions[i].node)); | |
48 | } | |
49 | ||
50 | return EXIT_SUCCESS; | |
51 | } |