67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/***
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This file is part of systemd.
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Copyright 2016 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <fcntl.h>
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#include <stdio.h>
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#include "dissect-image.h"
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#include "log.h"
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#include "loop-util.h"
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#include "string-util.h"
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int main(int argc, char *argv[]) {
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_cleanup_(loop_device_unrefp) LoopDevice *d = NULL;
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_cleanup_(dissected_image_unrefp) DissectedImage *m = NULL;
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int r, i;
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log_set_max_level(LOG_DEBUG);
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if (argc < 2) {
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log_error("Requires one command line argument.");
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return EXIT_FAILURE;
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}
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r = loop_device_make_by_path(argv[1], O_RDONLY, &d);
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if (r < 0) {
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log_error_errno(r, "Failed to set up loopback device: %m");
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return EXIT_FAILURE;
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}
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r = dissect_image(d->fd, NULL, 0, DISSECT_IMAGE_REQUIRE_ROOT, &m);
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if (r < 0) {
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log_error_errno(r, "Failed to dissect image: %m");
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return EXIT_FAILURE;
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}
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for (i = 0; i < _PARTITION_DESIGNATOR_MAX; i++) {
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if (!m->partitions[i].found)
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continue;
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printf("Found %s partition, %s of type %s at #%i (%s)\n",
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partition_designator_to_string(i),
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m->partitions[i].rw ? "writable" : "read-only",
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strna(m->partitions[i].fstype),
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m->partitions[i].partno,
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strna(m->partitions[i].node));
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}
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return EXIT_SUCCESS;
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}
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