1 files changed, 43 insertions, 4 deletions

diff --git a/src/utils.c b/src/utils.c
index 8b89b6a..b4820d0 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -251,15 +251,38 @@ error:
     return -1;
 }
 
+void chk_chroot(void)
+{
+    struct stat s = {0};
+
+    if (stat("/", &s) == 0) {
+        if (s.st_ino != 2)
+            return;
+    }
+
+    E("%s", "Can not mount filesystem as slave");
+    exit(EXIT_FAILURE);
+}
+
+void mount_root(void)
+{
+    int s;
+
+    s = mount(NULL, "/", "auto", MS_SLAVE|MS_REC, NULL);
+    if (s)
+        chk_chroot();
+}
+
 int mount_dev(const char *mount_path)
 {
     int s;
 
-    s = mount("dev", mount_path, "devtmpfs",
-              0,
-              "rw,nosuid,relatime,size=4k,mode=755");
+    s = mount("tmpfs", mount_path, "tmpfs",
+              MS_NOSUID|MS_STRICTATIME|
+              MS_NOEXEC|MS_REC,
+              "size=4k,mode=755,gid=0");
     if (s) {
-        E_STRERR("Mount /dev");
+        E_STRERR("Mount devtmpfs filesystem");
         return 1;
     }
 
@@ -268,5 +291,21 @@ int mount_dev(const char *mount_path)
 
 int mount_pts(const char *mount_path)
 {
+    int s;
+
+    s = mount("devpts", mount_path, "devpts",
+              MS_MGC_VAL,
+              "newinstance,gid=5,mode=620,ptmxmode=0666");
+
+    if (s) {
+        E_STRERR("Mount devpts filesystem");
+        return 1;
+    }
+
+    return 0;
+}
+
+int create_device_files(const char *mount_path)
+{
     return 0;
 }