-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <sys/mount.h>
#include <errno.h>
+#include <ftw.h>
#include <stdlib.h>
+#include <sys/mount.h>
#include <unistd.h>
-#include <ftw.h>
-#include "mount-setup.h"
-//#include "dev-setup.h"
+#include "alloc-util.h"
//#include "bus-util.h"
+#include "cgroup-util.h"
+//#include "dev-setup.h"
+//#include "efivars.h"
+#include "fs-util.h"
+#include "label.h"
//#include "log.h"
#include "macro.h"
-//#include "util.h"
-#include "label.h"
-//#include "set.h"
-//#include "strv.h"
+//#include "missing.h"
#include "mkdir.h"
+#include "mount-setup.h"
+#include "mount-util.h"
#include "path-util.h"
-//#include "missing.h"
-#include "virt.h"
-//#include "efivars.h"
+//#include "set.h"
//#include "smack-util.h"
-#include "cgroup-util.h"
+//#include "strv.h"
+#include "user-util.h"
+//#include "util.h"
+#include "virt.h"
+
+/// Additional includes needed by elogind
+#include "string-util.h"
typedef enum MountMode {
MNT_NONE = 0,
#endif
static const MountPoint mount_table[] = {
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
{ "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
NULL, MNT_FATAL|MNT_IN_CONTAINER },
{ "proc", "/proc", "proc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
#endif
{ "tmpfs", "/run", "tmpfs", "mode=755", MS_NOSUID|MS_NODEV|MS_STRICTATIME,
NULL, MNT_FATAL|MNT_IN_CONTAINER },
- { "cgroup", "/sys/fs/cgroup", "cgroup", "__DEVEL__sane_behavior", MS_NOSUID|MS_NOEXEC|MS_NODEV,
+ { "cgroup", "/sys/fs/cgroup", "cgroup2", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
cg_is_unified_wanted, MNT_FATAL|MNT_IN_CONTAINER },
#endif // 0
{ "tmpfs", "/sys/fs/cgroup", "tmpfs", "mode=755", MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_STRICTATIME,
cg_is_legacy_wanted, MNT_FATAL|MNT_IN_CONTAINER },
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
{ "cgroup", "/sys/fs/cgroup/systemd", "cgroup", "none,name=systemd,xattr", MS_NOSUID|MS_NOEXEC|MS_NODEV,
cg_is_legacy_wanted, MNT_IN_CONTAINER },
{ "cgroup", "/sys/fs/cgroup/systemd", "cgroup", "none,name=systemd", MS_NOSUID|MS_NOEXEC|MS_NODEV,
{ "cgroup", "/sys/fs/cgroup/elogind", "cgroup", "none,name=elogind", MS_NOSUID|MS_NOEXEC|MS_NODEV,
cg_is_legacy_wanted, MNT_FATAL|MNT_IN_CONTAINER },
#endif // 0
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
{ "pstore", "/sys/fs/pstore", "pstore", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
NULL, MNT_NONE },
#ifdef ENABLE_EFI
{ "efivarfs", "/sys/firmware/efi/efivars", "efivarfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
is_efi_boot, MNT_NONE },
#endif
- { "kdbusfs", "/sys/fs/kdbus", "kdbusfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
- is_kdbus_wanted, MNT_IN_CONTAINER },
#endif // 0
};
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
/* These are API file systems that might be mounted by other software,
* we just list them here so that we know that we should ignore them */
/* Relabel first, just in case */
if (relabel)
- label_fix(p->where, true, true);
+ (void) label_fix(p->where, true, true);
r = path_is_mount_point(p->where, AT_SYMLINK_FOLLOW);
- if (r < 0 && r != -ENOENT)
- return r;
+ if (r < 0 && r != -ENOENT) {
+ log_full_errno((p->mode & MNT_FATAL) ? LOG_ERR : LOG_DEBUG, r, "Failed to determine whether %s is a mount point: %m", p->where);
+ return (p->mode & MNT_FATAL) ? r : 0;
+ }
if (r > 0)
return 0;
/* The access mode here doesn't really matter too much, since
* the mounted file system will take precedence anyway. */
if (relabel)
- mkdir_p_label(p->where, 0755);
+ (void) mkdir_p_label(p->where, 0755);
else
- mkdir_p(p->where, 0755);
+ (void) mkdir_p(p->where, 0755);
log_debug("Mounting %s to %s of type %s with options %s.",
p->what,
p->type,
p->flags,
p->options) < 0) {
- log_full((p->mode & MNT_FATAL) ? LOG_ERR : LOG_DEBUG, "Failed to mount %s at %s: %m", p->type, p->where);
+ log_full_errno((p->mode & MNT_FATAL) ? LOG_ERR : LOG_DEBUG, errno, "Failed to mount %s at %s: %m", p->type, p->where);
return (p->mode & MNT_FATAL) ? -errno : 0;
}
/* Relabel again, since we now mounted something fresh here */
if (relabel)
- label_fix(p->where, false, false);
+ (void) label_fix(p->where, false, false);
return 1;
}
-/// UNNEEDED by elogind
-#if 0
-int mount_setup_early(void) {
+static int mount_points_setup(unsigned n, bool loaded_policy) {
unsigned i;
int r = 0;
- assert_cc(N_EARLY_MOUNT <= ELEMENTSOF(mount_table));
-
- /* Do a minimal mount of /proc and friends to enable the most
- * basic stuff, such as SELinux */
- for (i = 0; i < N_EARLY_MOUNT; i ++) {
+ for (i = 0; i < n; i ++) {
int j;
- j = mount_one(mount_table + i, false);
+ j = mount_one(mount_table + i, loaded_policy);
if (j != 0 && r >= 0)
r = j;
}
return r;
}
+#if 0 /// UNNEEDED by elogind
+int mount_setup_early(void) {
+ assert_cc(N_EARLY_MOUNT <= ELEMENTSOF(mount_table));
+
+ /* Do a minimal mount of /proc and friends to enable the most
+ * basic stuff, such as SELinux */
+ return mount_points_setup(N_EARLY_MOUNT, false);
+}
+
int mount_cgroup_controllers(char ***join_controllers) {
_cleanup_set_free_free_ Set *controllers = NULL;
int r;
return log_oom();
r = symlink(options, t);
- if (r < 0 && errno != EEXIST)
- return log_error_errno(errno, "Failed to create symlink %s: %m", t);
+ if (r >= 0) {
#ifdef SMACK_RUN_LABEL
- r = mac_smack_copy(t, options);
- if (r < 0 && r != -EOPNOTSUPP)
- return log_error_errno(r, "Failed to copy smack label from %s to %s: %m", options, t);
+ _cleanup_free_ char *src;
+ src = strappend("/sys/fs/cgroup/", options);
+ if (!src)
+ return log_oom();
+ r = mac_smack_copy(t, src);
+ if (r < 0 && r != -EOPNOTSUPP)
+ return log_error_errno(r, "Failed to copy smack label from %s to %s: %m", src, t);
#endif
+ } else if (errno != EEXIST)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", t);
}
}
}
#endif // 0
int mount_setup(bool loaded_policy) {
- unsigned i;
int r = 0;
- for (i = 0; i < ELEMENTSOF(mount_table); i ++) {
- int j;
-
- j = mount_one(mount_table + i, loaded_policy);
- if (j != 0 && r >= 0)
- r = j;
- }
+ r = mount_points_setup(ELEMENTSOF(mount_table), loaded_policy);
if (r < 0)
return r;
-/// elogind does not control /, /dev, /run and /run/systemd/* are setup elsewhere.
-#if 0
+#if 0 /// elogind does not control /, /dev, /run and /run/systemd/* are setup elsewhere.
#if defined(HAVE_SELINUX) || defined(HAVE_SMACK)
/* Nodes in devtmpfs and /run need to be manually updated for
* the appropriate labels, after mounting. The other virtual
before_relabel = now(CLOCK_MONOTONIC);
nftw("/dev", nftw_cb, 64, FTW_MOUNT|FTW_PHYS|FTW_ACTIONRETVAL);
+ nftw("/dev/shm", nftw_cb, 64, FTW_MOUNT|FTW_PHYS|FTW_ACTIONRETVAL);
nftw("/run", nftw_cb, 64, FTW_MOUNT|FTW_PHYS|FTW_ACTIONRETVAL);
after_relabel = now(CLOCK_MONOTONIC);
* really needs to stay for good, otherwise software that
* copied sd-daemon.c into their sources will misdetect
* systemd. */
- mkdir_label("/run/systemd", 0755);
- mkdir_label("/run/systemd/system", 0755);
- mkdir_label("/run/systemd/inaccessible", 0000);
#endif // 0
+ (void) mkdir_label("/run/systemd", 0755);
+ (void) mkdir_label("/run/systemd/system", 0755);
+ (void) mkdir_label("/run/systemd/inaccessible", 0000);
+ /* Set up inaccessible items */
+ (void) mknod("/run/systemd/inaccessible/reg", S_IFREG | 0000, 0);
+ (void) mkdir_label("/run/systemd/inaccessible/dir", 0000);
+ (void) mknod("/run/systemd/inaccessible/chr", S_IFCHR | 0000, makedev(0, 0));
+ (void) mknod("/run/systemd/inaccessible/blk", S_IFBLK | 0000, makedev(0, 0));
+ (void) mkfifo("/run/systemd/inaccessible/fifo", 0000);
+ (void) mknod("/run/systemd/inaccessible/sock", S_IFSOCK | 0000, 0);
return 0;
}
~ianmdlvl / elogind.git / blobdiff