-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
#include <sys/statfs.h>
#include <unistd.h>
+#include "libudev.h"
#include "sd-id128.h"
#include "alloc-util.h"
#include "fstab-util.h"
#include "generator.h"
#include "gpt.h"
-#include "libudev.h"
#include "missing.h"
#include "mkdir.h"
#include "mount-util.h"
}
static int add_boot(const char *what) {
- _cleanup_blkid_free_probe_ blkid_probe b = NULL;
- const char *fstype = NULL, *uuid = NULL;
- sd_id128_t id, type_id;
+ const char *esp;
int r;
assert(what);
- if (!is_efi_boot()) {
- log_debug("Not an EFI boot, ignoring /boot.");
- return 0;
- }
-
if (in_initrd()) {
- log_debug("In initrd, ignoring /boot.");
+ log_debug("In initrd, ignoring the ESP.");
return 0;
}
if (detect_container() > 0) {
- log_debug("In a container, ignoring /boot.");
+ log_debug("In a container, ignoring the ESP.");
return 0;
}
- /* We create an .automount which is not overridden by the .mount from the fstab generator. */
- if (fstab_is_mount_point("/boot")) {
- log_debug("/boot specified in fstab, ignoring.");
- return 0;
- }
+ /* If /efi exists we'll use that. Otherwise we'll use /boot, as that's usually the better choice */
+ esp = access("/efi/", F_OK) >= 0 ? "/efi" : "/boot";
- if (path_is_busy("/boot")) {
- log_debug("/boot already populated, ignoring.");
+ /* We create an .automount which is not overridden by the .mount from the fstab generator. */
+ if (fstab_is_mount_point(esp)) {
+ log_debug("%s specified in fstab, ignoring.", esp);
return 0;
}
- r = efi_loader_get_device_part_uuid(&id);
- if (r == -ENOENT) {
- log_debug("EFI loader partition unknown.");
+ if (path_is_busy(esp)) {
+ log_debug("%s already populated, ignoring.", esp);
return 0;
}
- if (r < 0) {
- log_error_errno(r, "Failed to read ESP partition UUID: %m");
- return r;
- }
+ if (is_efi_boot()) {
+ _cleanup_blkid_free_probe_ blkid_probe b = NULL;
+ const char *fstype = NULL, *uuid_string = NULL;
+ sd_id128_t loader_uuid, part_uuid;
- errno = 0;
- b = blkid_new_probe_from_filename(what);
- if (!b) {
- if (errno == 0)
- return log_oom();
- return log_error_errno(errno, "Failed to allocate prober: %m");
- }
+ /* If this is an EFI boot, be extra careful, and only mount the ESP if it was the ESP used for booting. */
- blkid_probe_enable_partitions(b, 1);
- blkid_probe_set_partitions_flags(b, BLKID_PARTS_ENTRY_DETAILS);
+ r = efi_loader_get_device_part_uuid(&loader_uuid);
+ if (r == -ENOENT) {
+ log_debug("EFI loader partition unknown.");
+ return 0;
+ }
+ if (r < 0)
+ return log_error_errno(r, "Failed to read ESP partition UUID: %m");
- errno = 0;
- r = blkid_do_safeprobe(b);
- if (r == -2 || r == 1) /* no result or uncertain */
- return 0;
- else if (r != 0)
- return log_error_errno(errno ?: EIO, "Failed to probe %s: %m", what);
+ errno = 0;
+ b = blkid_new_probe_from_filename(what);
+ if (!b) {
+ if (errno == 0)
+ return log_oom();
+ return log_error_errno(errno, "Failed to allocate prober: %m");
+ }
- (void) blkid_probe_lookup_value(b, "TYPE", &fstype, NULL);
- if (!streq(fstype, "vfat")) {
- log_debug("Partition for /boot is not a FAT filesystem, ignoring.");
- return 0;
- }
+ blkid_probe_enable_partitions(b, 1);
+ blkid_probe_set_partitions_flags(b, BLKID_PARTS_ENTRY_DETAILS);
- r = blkid_probe_lookup_value(b, "PART_ENTRY_UUID", &uuid, NULL);
- if (r != 0) {
- log_debug_errno(r, "Partition for /boot does not have a UUID, ignoring. %m");
- return 0;
- }
+ errno = 0;
+ r = blkid_do_safeprobe(b);
+ if (r == -2 || r == 1) /* no result or uncertain */
+ return 0;
+ else if (r != 0)
+ return log_error_errno(errno ?: EIO, "Failed to probe %s: %m", what);
- if (sd_id128_from_string(uuid, &type_id) < 0) {
- log_debug("Partition for /boot does not have a valid UUID, ignoring.");
- return 0;
- }
+ (void) blkid_probe_lookup_value(b, "TYPE", &fstype, NULL);
+ if (!streq_ptr(fstype, "vfat")) {
+ log_debug("Partition for %s is not a FAT filesystem, ignoring.", esp);
+ return 0;
+ }
- if (!sd_id128_equal(type_id, id)) {
- log_debug("Partition for /boot does not appear to be the partition we are booted from.");
- return 0;
- }
+ errno = 0;
+ r = blkid_probe_lookup_value(b, "PART_ENTRY_UUID", &uuid_string, NULL);
+ if (r != 0) {
+ log_debug_errno(errno, "Partition for %s does not have a UUID, ignoring.", esp);
+ return 0;
+ }
- r = add_automount("boot",
- what,
- "/boot",
- "vfat",
- true,
- "umask=0077",
- "EFI System Partition Automount",
- 120 * USEC_PER_SEC);
+ if (sd_id128_from_string(uuid_string, &part_uuid) < 0) {
+ log_debug("Partition for %s does not have a valid UUID, ignoring.", esp);
+ return 0;
+ }
- return r;
+ if (!sd_id128_equal(part_uuid, loader_uuid)) {
+ log_debug("Partition for %s does not appear to be the partition we are booted from.", esp);
+ return 0;
+ }
+ } else
+ log_debug("Not an EFI boot, skipping ESP check.");
+
+ return add_automount("boot",
+ what,
+ esp,
+ "vfat",
+ true,
+ "umask=0077",
+ "EFI System Partition Automount",
+ 120 * USEC_PER_SEC);
}
#else
static int add_boot(const char *what) {
if (r == 1)
return 0; /* no results */
else if (r == -2) {
- log_warning("%s: probe gave ambiguous results, ignoring", node);
+ log_warning("%s: probe gave ambiguous results, ignoring.", node);
return 0;
} else if (r != 0)
return log_error_errno(errno ?: EIO, "%s: failed to probe: %m", node);
errno = 0;
r = blkid_probe_lookup_value(b, "PTTYPE", &pttype, NULL);
- if (r != 0)
- return log_error_errno(errno ?: EIO,
- "%s: failed to determine partition table type: %m", node);
+ if (r != 0) {
+ if (errno == 0)
+ return 0; /* No partition table found. */
+
+ return log_error_errno(errno, "%s: failed to determine partition table type: %m", node);
+ }
/* We only do this all for GPT... */
if (!streq_ptr(pttype, "gpt")) {
return 1;
}
-static int parse_proc_cmdline_item(const char *key, const char *value) {
+static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
int r;
assert(key);
* wait for a root device to show up. A udev rule will create
* the link for us under the right name. */
+ if (in_initrd()) {
+ r = generator_write_initrd_root_device_deps(arg_dest, "/dev/gpt-auto-root");
+ if (r < 0)
+ return 0;
+ }
+
return add_mount(
"root",
"/dev/gpt-auto-root",
return EXIT_SUCCESS;
}
- r = parse_proc_cmdline(parse_proc_cmdline_item);
+ r = parse_proc_cmdline(parse_proc_cmdline_item, NULL, false);
if (r < 0)
log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
projects / thirdparty / systemd.git / blobdiff