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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
8c1be37e LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2016 Lennart Poettering | |
8c1be37e LP |
6 | ***/ |
7 | ||
8 | #include <fcntl.h> | |
9 | #include <stdio.h> | |
10 | ||
11 | #include "dissect-image.h" | |
12 | #include "log.h" | |
13 | #include "loop-util.h" | |
14 | #include "string-util.h" | |
15 | ||
16 | int main(int argc, char *argv[]) { | |
17 | _cleanup_(loop_device_unrefp) LoopDevice *d = NULL; | |
18 | _cleanup_(dissected_image_unrefp) DissectedImage *m = NULL; | |
19 | int r, i; | |
20 | ||
21 | log_set_max_level(LOG_DEBUG); | |
22 | ||
23 | if (argc < 2) { | |
24 | log_error("Requires one command line argument."); | |
25 | return EXIT_FAILURE; | |
26 | } | |
27 | ||
28 | r = loop_device_make_by_path(argv[1], O_RDONLY, &d); | |
29 | if (r < 0) { | |
30 | log_error_errno(r, "Failed to set up loopback device: %m"); | |
31 | return EXIT_FAILURE; | |
32 | } | |
33 | ||
e0f9e7bd | 34 | r = dissect_image(d->fd, NULL, 0, DISSECT_IMAGE_REQUIRE_ROOT, &m); |
8c1be37e LP |
35 | if (r < 0) { |
36 | log_error_errno(r, "Failed to dissect image: %m"); | |
37 | return EXIT_FAILURE; | |
38 | } | |
39 | ||
40 | for (i = 0; i < _PARTITION_DESIGNATOR_MAX; i++) { | |
41 | ||
42 | if (!m->partitions[i].found) | |
43 | continue; | |
44 | ||
45 | printf("Found %s partition, %s of type %s at #%i (%s)\n", | |
46 | partition_designator_to_string(i), | |
47 | m->partitions[i].rw ? "writable" : "read-only", | |
48 | strna(m->partitions[i].fstype), | |
49 | m->partitions[i].partno, | |
50 | strna(m->partitions[i].node)); | |
51 | } | |
52 | ||
53 | return EXIT_SUCCESS; | |
54 | } |