113 lines
2.6 KiB
Plaintext
113 lines
2.6 KiB
Plaintext
#!@SBINDIR@/openrc-run
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# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
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# Released under the 2-clause BSD license.
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description="Set up the /dev directory"
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depend()
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{
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provide dev-mount
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before dev
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keyword -prefix -vserver -lxc
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}
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mount_dev()
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{
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local action=--mount devfstype msg=Mounting
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# Some devices require exec, Bug #92921
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local mountopts="exec,nosuid,mode=0755"
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if yesno ${static_dev:-no}; then
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einfo "Using static /dev"
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return 0
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fi
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if mountinfo -q /dev; then
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action=--remount
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mountopts="remount,$mountopts"
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msg=Remounting
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fi
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if fstabinfo -q /dev; then
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ebegin "$msg /dev according to @SYSCONFDIR@/fstab"
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fstabinfo -q $action /dev
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eend $?
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return 0
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fi
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if grep -q devtmpfs /proc/filesystems; then
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devfstype=devtmpfs
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mountopts="$mountopts,size=10M"
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elif grep -q tmpfs /proc/filesystems; then
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devfstype=tmpfs
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mountopts="$mountopts,size=10M"
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fi
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if [ -n "$devfstype" ]; then
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ebegin "$msg $devfstype on /dev"
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mount -n -t $devfstype -o $mountopts dev /dev
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eend $?
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else
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ewarn "This kernel does not have devtmpfs or tmpfs support."
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ewarn "Assuming you want static /dev. If this is not the case,"
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ewarn "please set the CONFIG_DEVTMPFS or CONFIG_TMPFS option"
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ewarn "in your kernel."
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fi
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}
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seed_dev()
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{
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# Seed /dev with some things that we know we need
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# creating /dev/console, /dev/tty and /dev/tty1 to be able to write
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# to $CONSOLE with/without bootsplash before udevd creates it
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[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
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[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
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[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
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# udevd will dup its stdin/stdout/stderr to /dev/null
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# and we do not want a file which gets buffered in ram
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[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
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# so udev can add its start-message to dmesg
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[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
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# Mount required stuff as user may not have then in /etc/fstab
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for x in \
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"mqueue /dev/mqueue 1777 ,nodev mqueue" \
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"devpts /dev/pts 0755 ,gid=5,mode=0620 devpts" \
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"tmpfs /dev/shm 1777 ,nodev,mode=1777 shm" \
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; do
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set -- $x
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grep -Eq "[[:space:]]+$1$" /proc/filesystems || continue
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mountinfo -q $2 && continue
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if [ ! -d $2 ]; then
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mkdir -m $3 -p $2 >/dev/null 2>&1 || \
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ewarn "Could not create $2!"
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fi
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if [ -d $2 ]; then
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ebegin "Mounting $2"
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if ! fstabinfo --mount $2; then
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mount -n -t $1 -o noexec,nosuid$4 $5 $2
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fi
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eend $?
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fi
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done
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}
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restorecon_dev()
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{
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if [ -x /sbin/restorecon ]; then
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ebegin "Restoring SELinux contexts in /dev"
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restorecon -rF /dev >/dev/null 2>&1
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eend $?
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fi
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return 0
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}
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start()
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{
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mount_dev
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seed_dev
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restorecon_dev
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return 0
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}
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