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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "sd-device.h"
#include "ansi-color.h"
#include "blockdev-list.h"
#include "blockdev-util.h"
#include "device-util.h"
#include "macro.h"
#include "terminal-util.h"
int blockdev_list(BlockDevListFlags flags) {
_cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
int r;
if (sd_device_enumerator_new(&e) < 0)
return log_oom();
r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true);
if (r < 0)
return log_error_errno(r, "Failed to add subsystem match: %m");
if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_LUKS)) {
r = sd_device_enumerator_add_match_property(e, "ID_FS_TYPE", "crypto_LUKS");
if (r < 0)
return log_error_errno(r, "Failed to add match for LUKS block devices: %m");
}
FOREACH_DEVICE(e, dev) {
const char *node;
r = sd_device_get_devname(dev, &node);
if (r < 0) {
log_warning_errno(r, "Failed to get device node of discovered block device, ignoring: %m");
continue;
}
if (FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_ZRAM)) {
const char *dn;
r = sd_device_get_sysname(dev, &dn);
if (r < 0) {
log_warning_errno(r, "Failed to get device name of discovered block device '%s', ignoring: %m", node);
continue;
}
if (startswith(dn, "zram"))
continue;
}
if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_PARTITION_SCANNING)) {
r = blockdev_partscan_enabled(dev);
if (r < 0) {
log_warning_errno(r, "Unable to determine whether '%s' supports partition scanning, skipping device: %m", node);
continue;
}
if (r == 0) {
log_debug("Device '%s' does not support partition scanning, skipping.", node);
continue;
}
}
printf("%s\n", node);
if (FLAGS_SET(flags, BLOCKDEV_LIST_SHOW_SYMLINKS)) {
_cleanup_strv_free_ char **list = NULL;
FOREACH_DEVICE_DEVLINK(dev, l)
if (strv_extend(&list, l) < 0)
return log_oom();
strv_sort(list);
STRV_FOREACH(i, list)
printf("%s%s%s%s\n", on_tty() ? " " : "", ansi_grey(), *i, ansi_normal());
}
}
return 0;
}
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