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authorPierre Schmitz <pierre@archlinux.de>2010-12-02 13:09:34 +0100
committerPierre Schmitz <pierre@archlinux.de>2010-12-02 13:09:34 +0100
commitd6792db31cca80acde27af0448901622052f540c (patch)
tree08c8fd44c6bca8f20c31689884a1f209871283fa
parent372fb4e7d135419ae63d022588f218edab8c5ce2 (diff)
mkarchroot: create a minimal /dev instead of using the one of the host
-rwxr-xr-xmkarchroot19
1 files changed, 15 insertions, 4 deletions
diff --git a/mkarchroot b/mkarchroot
index 490828f..07c93cf 100755
--- a/mkarchroot
+++ b/mkarchroot
@@ -92,13 +92,24 @@ chroot_mount() {
mount -t proc proc "${working_dir}/proc"
[ -e "${working_dir}/dev" ] || mkdir "${working_dir}/dev"
- mount -o bind /dev "${working_dir}/dev"
+ mount -t tmpfs dev "${working_dir}/dev" -o mode=0755,size=10M,nosuid
+ mknod -m 666 "${working_dir}/dev/null" c 1 3
+ mknod -m 666 "${working_dir}/dev/zero" c 1 5
+ mknod -m 600 "${working_dir}/dev/console" c 5 1
+ mknod -m 644 "${working_dir}/dev/random" c 1 8
+ mknod -m 644 "${working_dir}/dev/urandom" c 1 9
+ ln -s /proc/kcore "${working_dir}/dev/core"
+ ln -s /proc/self/fd "${working_dir}/dev/fd"
+ ln -s /proc/self/fd/0 "${working_dir}/dev/stdin"
+ ln -s /proc/self/fd/1 "${working_dir}/dev/stdout"
+ ln -s /proc/self/fd/2 "${working_dir}/dev/stderr"
[ -e "${working_dir}/dev/shm" ] || mkdir "${working_dir}/dev/shm"
- mount -t tmpfs shm "${working_dir}/dev/shm"
+ mount -t tmpfs shm "${working_dir}/dev/shm" -o nodev,nosuid,size=128M
[ -e "${working_dir}/dev/pts" ] || mkdir "${working_dir}/dev/pts"
- mount -t devpts devpts "${working_dir}/dev/pts"
+ mount -t devpts devpts "${working_dir}/dev/pts" -o newinstance,ptmxmode=666
+ ln -s pts/ptmx "${working_dir}/dev/ptmx"
[ -e "${cache_dir}" ] || mkdir -p "${cache_dir}"
[ -e "${working_dir}/${cache_dir}" ] || mkdir -p "${working_dir}/${cache_dir}"
@@ -110,7 +121,7 @@ chroot_mount() {
mount -o remount,ro,bind "${host_mirror_path}" "${working_dir}/${host_mirror_path}"
fi
- trap 'chroot_umount' 0 1 2 15
+ trap 'chroot_umount' EXIT INT QUIT TERM HUP
}
copy_hostconf () {