X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fmount-setup.c;h=ca8c63b8a446f83453605d1d31b1bf35a37761c9;hb=b3ba37e13ca5fda7de81196b87b12e069d563665;hp=f48d8a0ab00128a423d99aca2b4f7a99e6846a22;hpb=69039ad66f42e4314977b5835b308e4136f59734;p=elogind.git

diff --git a/src/core/mount-setup.c b/src/core/mount-setup.c
index f48d8a0ab..ca8c63b8a 100644
--- a/src/core/mount-setup.c
+++ b/src/core/mount-setup.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -30,6 +28,7 @@
 #include "cgroup-util.h"
 //#include "dev-setup.h"
 //#include "efivars.h"
+#include "fs-util.h"
 #include "label.h"
 //#include "log.h"
 #include "macro.h"
@@ -41,11 +40,13 @@
 //#include "set.h"
 //#include "smack-util.h"
 //#include "strv.h"
-#include "string-util.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,
         MNT_FATAL =        1 <<  0,
@@ -98,7 +99,7 @@ static const MountPoint mount_table[] = {
 #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,
@@ -121,8 +122,6 @@ static const MountPoint mount_table[] = {
         { "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
 };
 
@@ -215,19 +214,14 @@ static int mount_one(const MountPoint *p, bool relabel) {
         return 1;
 }
 
-#if 0 /// UNNEEDED by elogind
-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;
         }
@@ -235,6 +229,15 @@ int mount_setup_early(void) {
         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;
@@ -370,21 +373,13 @@ static int nftw_cb(
 #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;
 
-
 #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
@@ -398,6 +393,7 @@ int mount_setup(bool loaded_policy) {
                 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);
@@ -427,10 +423,17 @@ int mount_setup(bool loaded_policy) {
          * 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;
 }