From d6792db31cca80acde27af0448901622052f540c Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Thu, 2 Dec 2010 13:09:34 +0100 Subject: mkarchroot: create a minimal /dev instead of using the one of the host --- mkarchroot | 19 +++++++++++++++---- 1 file 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 () { -- cgit v1.2.3-24-g4f1b