732 lines
22 KiB
C
732 lines
22 KiB
C
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2013 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <blkid.h>
|
|
#include <stdlib.h>
|
|
#include <sys/statfs.h>
|
|
#include <unistd.h>
|
|
|
|
#include "libudev.h"
|
|
#include "sd-id128.h"
|
|
|
|
#include "alloc-util.h"
|
|
#include "blkid-util.h"
|
|
#include "btrfs-util.h"
|
|
#include "dirent-util.h"
|
|
#include "dissect-image.h"
|
|
#include "efivars.h"
|
|
#include "fd-util.h"
|
|
#include "fileio.h"
|
|
#include "fstab-util.h"
|
|
#include "generator.h"
|
|
#include "gpt.h"
|
|
#include "missing.h"
|
|
#include "mkdir.h"
|
|
#include "mount-util.h"
|
|
#include "parse-util.h"
|
|
#include "path-util.h"
|
|
#include "proc-cmdline.h"
|
|
#include "special.h"
|
|
#include "stat-util.h"
|
|
#include "string-util.h"
|
|
#include "udev-util.h"
|
|
#include "unit-name.h"
|
|
#include "util.h"
|
|
#include "virt.h"
|
|
|
|
static const char *arg_dest = "/tmp";
|
|
static bool arg_enabled = true;
|
|
static bool arg_root_enabled = true;
|
|
static bool arg_root_rw = false;
|
|
|
|
static int add_cryptsetup(const char *id, const char *what, bool rw, bool require, char **device) {
|
|
_cleanup_free_ char *e = NULL, *n = NULL, *p = NULL, *d = NULL, *to = NULL;
|
|
_cleanup_fclose_ FILE *f = NULL;
|
|
char *ret;
|
|
int r;
|
|
|
|
assert(id);
|
|
assert(what);
|
|
|
|
r = unit_name_from_path(what, ".device", &d);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to generate unit name: %m");
|
|
|
|
e = unit_name_escape(id);
|
|
if (!e)
|
|
return log_oom();
|
|
|
|
r = unit_name_build("systemd-cryptsetup", e, ".service", &n);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to generate unit name: %m");
|
|
|
|
p = strjoin(arg_dest, "/", n);
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
f = fopen(p, "wxe");
|
|
if (!f)
|
|
return log_error_errno(errno, "Failed to create unit file %s: %m", p);
|
|
|
|
fprintf(f,
|
|
"# Automatically generated by systemd-gpt-auto-generator\n\n"
|
|
"[Unit]\n"
|
|
"Description=Cryptography Setup for %%I\n"
|
|
"Documentation=man:systemd-gpt-auto-generator(8) man:systemd-cryptsetup@.service(8)\n"
|
|
"DefaultDependencies=no\n"
|
|
"Conflicts=umount.target\n"
|
|
"BindsTo=dev-mapper-%%i.device %s\n"
|
|
"Before=umount.target cryptsetup.target\n"
|
|
"After=%s\n"
|
|
"IgnoreOnIsolate=true\n"
|
|
"[Service]\n"
|
|
"Type=oneshot\n"
|
|
"RemainAfterExit=yes\n"
|
|
"TimeoutSec=0\n" /* the binary handles timeouts anyway */
|
|
"KeyringMode=shared\n" /* make sure we can share cached keys among instances */
|
|
"ExecStart=" SYSTEMD_CRYPTSETUP_PATH " attach '%s' '%s' '' '%s'\n"
|
|
"ExecStop=" SYSTEMD_CRYPTSETUP_PATH " detach '%s'\n",
|
|
d, d,
|
|
id, what, rw ? "" : "read-only",
|
|
id);
|
|
|
|
r = fflush_and_check(f);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to write file %s: %m", p);
|
|
|
|
r = generator_add_symlink(arg_dest, d, "wants", n);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (require) {
|
|
const char *dmname;
|
|
|
|
r = generator_add_symlink(arg_dest, "cryptsetup.target", "requires", n);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
dmname = strjoina("dev-mapper-", e, ".device");
|
|
r = generator_add_symlink(arg_dest, dmname, "requires", n);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
free(p);
|
|
p = strjoin(arg_dest, "/dev-mapper-", e, ".device.d/50-job-timeout-sec-0.conf");
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
mkdir_parents_label(p, 0755);
|
|
r = write_string_file(p,
|
|
"# Automatically generated by systemd-gpt-auto-generator\n\n"
|
|
"[Unit]\n"
|
|
"JobTimeoutSec=0\n",
|
|
WRITE_STRING_FILE_CREATE); /* the binary handles timeouts anyway */
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to write device drop-in: %m");
|
|
|
|
ret = strappend("/dev/mapper/", id);
|
|
if (!ret)
|
|
return log_oom();
|
|
|
|
if (device)
|
|
*device = ret;
|
|
return 0;
|
|
}
|
|
|
|
static int add_mount(
|
|
const char *id,
|
|
const char *what,
|
|
const char *where,
|
|
const char *fstype,
|
|
bool rw,
|
|
const char *options,
|
|
const char *description,
|
|
const char *post) {
|
|
|
|
_cleanup_free_ char *unit = NULL, *crypto_what = NULL, *p = NULL;
|
|
_cleanup_fclose_ FILE *f = NULL;
|
|
int r;
|
|
|
|
assert(id);
|
|
assert(what);
|
|
assert(where);
|
|
assert(description);
|
|
|
|
log_debug("Adding %s: %s %s", where, what, strna(fstype));
|
|
|
|
if (streq_ptr(fstype, "crypto_LUKS")) {
|
|
|
|
r = add_cryptsetup(id, what, rw, true, &crypto_what);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
what = crypto_what;
|
|
fstype = NULL;
|
|
}
|
|
|
|
r = unit_name_from_path(where, ".mount", &unit);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to generate unit name: %m");
|
|
|
|
p = strjoin(arg_dest, "/", unit);
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
f = fopen(p, "wxe");
|
|
if (!f)
|
|
return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
|
|
|
|
fprintf(f,
|
|
"# Automatically generated by systemd-gpt-auto-generator\n\n"
|
|
"[Unit]\n"
|
|
"Description=%s\n"
|
|
"Documentation=man:systemd-gpt-auto-generator(8)\n",
|
|
description);
|
|
|
|
if (post)
|
|
fprintf(f, "Before=%s\n", post);
|
|
|
|
r = generator_write_fsck_deps(f, arg_dest, what, where, fstype);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"[Mount]\n"
|
|
"What=%s\n"
|
|
"Where=%s\n",
|
|
what, where);
|
|
|
|
if (fstype)
|
|
fprintf(f, "Type=%s\n", fstype);
|
|
|
|
if (options)
|
|
fprintf(f, "Options=%s,%s\n", options, rw ? "rw" : "ro");
|
|
else
|
|
fprintf(f, "Options=%s\n", rw ? "rw" : "ro");
|
|
|
|
r = fflush_and_check(f);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to write unit file %s: %m", p);
|
|
|
|
if (post)
|
|
return generator_add_symlink(arg_dest, post, "requires", unit);
|
|
return 0;
|
|
}
|
|
|
|
static bool path_is_busy(const char *where) {
|
|
int r;
|
|
|
|
/* already a mountpoint; generators run during reload */
|
|
r = path_is_mount_point(where, NULL, AT_SYMLINK_FOLLOW);
|
|
if (r > 0)
|
|
return false;
|
|
|
|
/* the directory might not exist on a stateless system */
|
|
if (r == -ENOENT)
|
|
return false;
|
|
|
|
if (r < 0)
|
|
return true;
|
|
|
|
/* not a mountpoint but it contains files */
|
|
if (dir_is_empty(where) <= 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static int add_partition_mount(
|
|
DissectedPartition *p,
|
|
const char *id,
|
|
const char *where,
|
|
const char *description) {
|
|
|
|
assert(p);
|
|
|
|
if (path_is_busy(where)) {
|
|
log_debug("%s already populated, ignoring.", where);
|
|
return 0;
|
|
}
|
|
|
|
return add_mount(
|
|
id,
|
|
p->node,
|
|
where,
|
|
p->fstype,
|
|
p->rw,
|
|
NULL,
|
|
description,
|
|
SPECIAL_LOCAL_FS_TARGET);
|
|
}
|
|
|
|
static int add_swap(const char *path) {
|
|
_cleanup_free_ char *name = NULL, *unit = NULL;
|
|
_cleanup_fclose_ FILE *f = NULL;
|
|
int r;
|
|
|
|
assert(path);
|
|
|
|
/* Disable the swap auto logic if at least one swap is defined in /etc/fstab, see #6192. */
|
|
r = fstab_has_fstype("swap");
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse fstab: %m");
|
|
if (r > 0) {
|
|
log_debug("swap specified in fstab, ignoring.");
|
|
return 0;
|
|
}
|
|
|
|
log_debug("Adding swap: %s", path);
|
|
|
|
r = unit_name_from_path(path, ".swap", &name);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to generate unit name: %m");
|
|
|
|
unit = strjoin(arg_dest, "/", name);
|
|
if (!unit)
|
|
return log_oom();
|
|
|
|
f = fopen(unit, "wxe");
|
|
if (!f)
|
|
return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
|
|
|
|
fprintf(f,
|
|
"# Automatically generated by systemd-gpt-auto-generator\n\n"
|
|
"[Unit]\n"
|
|
"Description=Swap Partition\n"
|
|
"Documentation=man:systemd-gpt-auto-generator(8)\n\n"
|
|
"[Swap]\n"
|
|
"What=%s\n",
|
|
path);
|
|
|
|
r = fflush_and_check(f);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to write unit file %s: %m", unit);
|
|
|
|
return generator_add_symlink(arg_dest, SPECIAL_SWAP_TARGET, "wants", name);
|
|
}
|
|
|
|
#if ENABLE_EFI
|
|
static int add_automount(
|
|
const char *id,
|
|
const char *what,
|
|
const char *where,
|
|
const char *fstype,
|
|
bool rw,
|
|
const char *options,
|
|
const char *description,
|
|
usec_t timeout) {
|
|
|
|
_cleanup_free_ char *unit = NULL;
|
|
_cleanup_free_ char *opt, *p = NULL;
|
|
_cleanup_fclose_ FILE *f = NULL;
|
|
int r;
|
|
|
|
assert(id);
|
|
assert(where);
|
|
assert(description);
|
|
|
|
if (options)
|
|
opt = strjoin(options, ",noauto");
|
|
else
|
|
opt = strdup("noauto");
|
|
if (!opt)
|
|
return log_oom();
|
|
|
|
r = add_mount(id,
|
|
what,
|
|
where,
|
|
fstype,
|
|
rw,
|
|
opt,
|
|
description,
|
|
NULL);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = unit_name_from_path(where, ".automount", &unit);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to generate unit name: %m");
|
|
|
|
p = strjoin(arg_dest, "/", unit);
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
f = fopen(p, "wxe");
|
|
if (!f)
|
|
return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
|
|
|
|
fprintf(f,
|
|
"# Automatically generated by systemd-gpt-auto-generator\n\n"
|
|
"[Unit]\n"
|
|
"Description=%s\n"
|
|
"Documentation=man:systemd-gpt-auto-generator(8)\n"
|
|
"[Automount]\n"
|
|
"Where=%s\n"
|
|
"TimeoutIdleSec="USEC_FMT"\n",
|
|
description,
|
|
where,
|
|
timeout / USEC_PER_SEC);
|
|
|
|
r = fflush_and_check(f);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to write unit file %s: %m", p);
|
|
|
|
return generator_add_symlink(arg_dest, SPECIAL_LOCAL_FS_TARGET, "wants", unit);
|
|
}
|
|
|
|
static int add_esp(DissectedPartition *p) {
|
|
const char *esp;
|
|
int r;
|
|
|
|
assert(p);
|
|
|
|
if (in_initrd()) {
|
|
log_debug("In initrd, ignoring the ESP.");
|
|
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";
|
|
|
|
/* We create an .automount which is not overridden by the .mount from the fstab generator. */
|
|
r = fstab_is_mount_point(esp);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse fstab: %m");
|
|
if (r > 0) {
|
|
log_debug("%s specified in fstab, ignoring.", esp);
|
|
return 0;
|
|
}
|
|
|
|
if (path_is_busy(esp)) {
|
|
log_debug("%s already populated, ignoring.", esp);
|
|
return 0;
|
|
}
|
|
|
|
if (is_efi_boot()) {
|
|
sd_id128_t loader_uuid;
|
|
|
|
/* If this is an EFI boot, be extra careful, and only mount the ESP if it was the ESP used for booting. */
|
|
|
|
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");
|
|
|
|
if (!sd_id128_equal(p->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",
|
|
p->node,
|
|
esp,
|
|
p->fstype,
|
|
true,
|
|
"umask=0077",
|
|
"EFI System Partition Automount",
|
|
120 * USEC_PER_SEC);
|
|
}
|
|
#else
|
|
static int add_esp(DissectedPartition *p) {
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int open_parent(dev_t devnum, int *ret) {
|
|
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
|
|
_cleanup_udev_unref_ struct udev *udev = NULL;
|
|
const char *name, *devtype, *node;
|
|
struct udev_device *parent;
|
|
dev_t pn;
|
|
int fd;
|
|
|
|
assert(ret);
|
|
|
|
udev = udev_new();
|
|
if (!udev)
|
|
return log_oom();
|
|
|
|
d = udev_device_new_from_devnum(udev, 'b', devnum);
|
|
if (!d)
|
|
return log_oom();
|
|
|
|
name = udev_device_get_devnode(d);
|
|
if (!name)
|
|
name = udev_device_get_syspath(d);
|
|
if (!name) {
|
|
log_debug("Device %u:%u does not have a name, ignoring.", major(devnum), minor(devnum));
|
|
goto not_found;
|
|
}
|
|
|
|
parent = udev_device_get_parent(d);
|
|
if (!parent) {
|
|
log_debug("%s: not a partitioned device, ignoring.", name);
|
|
goto not_found;
|
|
}
|
|
|
|
/* Does it have a devtype? */
|
|
devtype = udev_device_get_devtype(parent);
|
|
if (!devtype) {
|
|
log_debug("%s: parent doesn't have a device type, ignoring.", name);
|
|
goto not_found;
|
|
}
|
|
|
|
/* Is this a disk or a partition? We only care for disks... */
|
|
if (!streq(devtype, "disk")) {
|
|
log_debug("%s: parent isn't a raw disk, ignoring.", name);
|
|
goto not_found;
|
|
}
|
|
|
|
/* Does it have a device node? */
|
|
node = udev_device_get_devnode(parent);
|
|
if (!node) {
|
|
log_debug("%s: parent device does not have device node, ignoring.", name);
|
|
goto not_found;
|
|
}
|
|
|
|
log_debug("%s: root device %s.", name, node);
|
|
|
|
pn = udev_device_get_devnum(parent);
|
|
if (major(pn) == 0) {
|
|
log_debug("%s: parent device is not a proper block device, ignoring.", name);
|
|
goto not_found;
|
|
}
|
|
|
|
fd = open(node, O_RDONLY|O_CLOEXEC|O_NOCTTY);
|
|
if (fd < 0)
|
|
return log_error_errno(errno, "Failed to open %s: %m", node);
|
|
|
|
*ret = fd;
|
|
return 1;
|
|
|
|
not_found:
|
|
*ret = -1;
|
|
return 0;
|
|
}
|
|
|
|
static int enumerate_partitions(dev_t devnum) {
|
|
|
|
_cleanup_close_ int fd = -1;
|
|
_cleanup_(dissected_image_unrefp) DissectedImage *m = NULL;
|
|
int r, k;
|
|
|
|
r = open_parent(devnum, &fd);
|
|
if (r <= 0)
|
|
return r;
|
|
|
|
r = dissect_image(fd, NULL, 0, DISSECT_IMAGE_GPT_ONLY, &m);
|
|
if (r == -ENOPKG) {
|
|
log_debug_errno(r, "No suitable partition table found, ignoring.");
|
|
return 0;
|
|
}
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to dissect: %m");
|
|
|
|
if (m->partitions[PARTITION_SWAP].found) {
|
|
k = add_swap(m->partitions[PARTITION_SWAP].node);
|
|
if (k < 0)
|
|
r = k;
|
|
}
|
|
|
|
if (m->partitions[PARTITION_ESP].found) {
|
|
k = add_esp(m->partitions + PARTITION_ESP);
|
|
if (k < 0)
|
|
r = k;
|
|
}
|
|
|
|
if (m->partitions[PARTITION_HOME].found) {
|
|
k = add_partition_mount(m->partitions + PARTITION_HOME, "home", "/home", "Home Partition");
|
|
if (k < 0)
|
|
r = k;
|
|
}
|
|
|
|
if (m->partitions[PARTITION_SRV].found) {
|
|
k = add_partition_mount(m->partitions + PARTITION_SRV, "srv", "/srv", "Server Data Partition");
|
|
if (k < 0)
|
|
r = k;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
|
|
int r;
|
|
|
|
assert(key);
|
|
|
|
if (STR_IN_SET(key, "systemd.gpt_auto", "rd.systemd.gpt_auto")) {
|
|
|
|
r = value ? parse_boolean(value) : 1;
|
|
if (r < 0)
|
|
log_warning("Failed to parse gpt-auto switch \"%s\". Ignoring.", value);
|
|
else
|
|
arg_enabled = r;
|
|
|
|
} else if (streq(key, "root")) {
|
|
|
|
if (proc_cmdline_value_missing(key, value))
|
|
return 0;
|
|
|
|
/* Disable root disk logic if there's a root= value
|
|
* specified (unless it happens to be "gpt-auto") */
|
|
|
|
arg_root_enabled = streq(value, "gpt-auto");
|
|
|
|
} else if (streq(key, "roothash")) {
|
|
|
|
if (proc_cmdline_value_missing(key, value))
|
|
return 0;
|
|
|
|
/* Disable root disk logic if there's roothash= defined (i.e. verity enabled) */
|
|
|
|
arg_root_enabled = false;
|
|
|
|
} else if (streq(key, "rw") && !value)
|
|
arg_root_rw = true;
|
|
else if (streq(key, "ro") && !value)
|
|
arg_root_rw = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if ENABLE_EFI
|
|
static int add_root_cryptsetup(void) {
|
|
|
|
/* If a device /dev/gpt-auto-root-luks appears, then make it pull in systemd-cryptsetup-root.service, which
|
|
* sets it up, and causes /dev/gpt-auto-root to appear which is all we are looking for. */
|
|
|
|
return add_cryptsetup("root", "/dev/gpt-auto-root-luks", true, false, NULL);
|
|
}
|
|
#endif
|
|
|
|
static int add_root_mount(void) {
|
|
|
|
#if ENABLE_EFI
|
|
int r;
|
|
|
|
if (!is_efi_boot()) {
|
|
log_debug("Not a EFI boot, not creating root mount.");
|
|
return 0;
|
|
}
|
|
|
|
r = efi_loader_get_device_part_uuid(NULL);
|
|
if (r == -ENOENT) {
|
|
log_debug("EFI loader partition unknown, exiting.");
|
|
return 0;
|
|
} else if (r < 0)
|
|
return log_error_errno(r, "Failed to read ESP partition UUID: %m");
|
|
|
|
/* OK, we have an ESP partition, this is fantastic, so let's
|
|
* 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;
|
|
|
|
r = add_root_cryptsetup();
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return add_mount(
|
|
"root",
|
|
"/dev/gpt-auto-root",
|
|
in_initrd() ? "/sysroot" : "/",
|
|
NULL,
|
|
arg_root_rw,
|
|
NULL,
|
|
"Root Partition",
|
|
in_initrd() ? SPECIAL_INITRD_ROOT_FS_TARGET : SPECIAL_LOCAL_FS_TARGET);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static int add_mounts(void) {
|
|
dev_t devno;
|
|
int r;
|
|
|
|
r = get_block_device_harder("/", &devno);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to determine block device of root file system: %m");
|
|
if (r == 0) {
|
|
r = get_block_device_harder("/usr", &devno);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to determine block device of /usr file system: %m");
|
|
if (r == 0) {
|
|
log_debug("Neither root nor /usr file system are on a (single) block device.");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return enumerate_partitions(devno);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int r = 0, k;
|
|
|
|
if (argc > 1 && argc != 4) {
|
|
log_error("This program takes three or no arguments.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (argc > 1)
|
|
arg_dest = argv[3];
|
|
|
|
log_set_target(LOG_TARGET_SAFE);
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
umask(0022);
|
|
|
|
if (detect_container() > 0) {
|
|
log_debug("In a container, exiting.");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
|
|
if (r < 0)
|
|
log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
|
|
|
|
if (!arg_enabled) {
|
|
log_debug("Disabled, exiting.");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
if (arg_root_enabled)
|
|
r = add_root_mount();
|
|
|
|
if (!in_initrd()) {
|
|
k = add_mounts();
|
|
if (k < 0)
|
|
r = k;
|
|
}
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|