Use existing mechanism for installing udev apps but install regular variants, too...

[projects/geninitrd.git] / mod-udev.sh

diff --git a/mod-udev.sh b/mod-udev.sh
index 7296866a227bd3d0706b2c2efa644e6716075599..87f4b6891c685df91cd051cfa4d1931f24a5704b 100644 (file)
--- a/mod-udev.sh
+++ b/mod-udev.sh
@@ -1,49 +1,172 @@
 #!/bin/sh
-#
 # geninitrd mod: udev
+USE_UDEV=${USE_UDEV:-yes}
 
 #
 # TODO:
 # - make udev start before insmods
 # - make proper use of USE_UDEV - don't copy rules if USE_UDEV is off no!
 
+inst_rules() {
+       local _rule _found d
+
+       inst_d "/lib/udev/rules.d"
+       for _rule in "$@"; do
+               for d in /lib/udev/rules.d /etc/udev/rules.d /lib/geninitrd/udev-rules; do
+                       if [ -f $d/$_rule ]; then
+                               inst $d/$_rule /lib/udev/rules.d/$_rule
+                       fi
+               done
+       done
+
+}
+
 # setup geninitrd module
 # @access      public
 setup_mod_udev() {
        udevd=$(find_tool $initrd_dir/udevd /sbin/initrd-udevd)
-       udevadm=$(find_tool $initrd_dir/initrd-udevadm /sbin/initrd-udevadm)
+       udevadm=$(find_tool $initrd_dir/udevadm /sbin/initrd-udevadm)
 
-       if [ "$kernel_version" -ge "002006" -a -x "$udevd" -a -x "$udevadm" -a -f /etc/udev/udev.conf ]; then
-               USE_UDEV=yes
-               . /etc/udev/udev.conf
-       else
+       if [ "$kernel_version" -lt "002006" ] || [ ! -x "$udevd" -o ! -x "$udevadm" -o ! -f /etc/udev/udev.conf ]; then
                USE_UDEV=no
        fi
+
+       if is_yes "$USE_UDEV"; then
+               . /etc/udev/udev.conf
+       fi
 }
 
 # generate initrd fragment
 # @access      public
 initrd_gen_udev() {
-       debug "Setting up udev..."
+       verbose "Setting up udev..."
 
-       inst_d /sbin /etc/udev
+       inst_d /sbin /etc/udev /lib/udev
        inst_exec $udevd /sbin/udevd
        inst_exec $udevadm /sbin/udevadm
        inst /etc/udev/udev.conf /etc/udev/udev.conf
+       # standard udev rules
+       inst_rules 50-udev-default.rules 60-persistent-storage.rules 61-persistent-storage-edd.rules 80-drivers.rules 95-udev-late.rules \
+               60-pcmcia.rules 50-firmware.rules 10-dm.rules 11-dm-lvm.rules 13-dm-disk.rules 95-dm-notify.rules
+       # initrd dedicated rules
+       inst_rules 01-ignore.rules 59-persistent-storage.rules 61-persistent-storage.rules 11-dm.rules
+
+       local e
+       for e in ata_id cdrom_id collect firmware scsi_id v4l_id; do
+               if [ -e "$initrd_dir/udev/$e" ]; then
+                       inst_exec $initrd_dir/udev/$e /lib/udev/$e
+               elif [ -e "/lib/udev/$e" ]; then
+                       inst_exec /lib/udev/$e /lib/udev/$e
+               fi
+       done
+
+       # basic group file
+       local _lib
+       inst /etc/nsswitch.conf /etc/nsswitch.conf
+       for _lib in $(get_libdir LIBDIR); do
+               if (ls /$_lib/libnss_files*.so* > /dev/null 2>&1); then
+                       inst_exec /$_lib/libnss_files*.so* /$_lib/
+               fi
+       done
+       awk -F: ' { if ($3 < 1000) { print $1":"$2":"$3":" } } ' /etc/group > $DESTDIR/etc/group
+
+       # blkid installed by mod-blkid
+       if ! is_yes "$USE_BLKID"; then
+               warn "BLKID support missing"
+       fi
+
+       local dir dmsetup
+       for dir in $initrd_dir /sbin; do
+               if [ -x "$dir/dmsetup" ] &&
+                       [ "$($dir/dmsetup udevcookies 2>&1 | grep -c 'Command not supported')" -eq 0 ]; then
+                       dmsetup=$dir/dmsetup
+                       break
+               fi
+       done
+       if [ -z "$dmsetup" ]; then
+               warn "Can't find dmsetup with udev support"
+       else
+               inst_exec $dmsetup /sbin/dmsetup
+       fi
 
        mount_dev
        mount_sys
+       mount_run
        add_linuxrc <<-'EOF'
                : 'Starting udev'
+               mkdir /run/udev
                /sbin/udevd --daemon
-               /sbin/udevadm trigger
+               /sbin/udevadm trigger --type=subsystems --action=add
+               /sbin/udevadm trigger --type=devices --action=add
                /sbin/udevadm settle
        EOF
 }
 
 initrd_gen_stop_udevd() {
-       busybox_applet killall
+       if ! is_yes "$USE_UDEV"; then
+               return
+       fi
        add_linuxrc     <<-'EOF'
-               killall udevd
+               /sbin/udevadm control --exit
+               /sbin/udevadm info --cleanup-db
+       EOF
+}
+
+# generate initrd fragment
+# @access      public
+initrd_gen_mdev() {
+       debug "Setting up mdev..."
+
+       busybox_applet mdev uevent
+       ln -s busybox $DESTDIR/bin/mdev
+       ln -s busybox $DESTDIR/bin/uevent
+
+       cat > $DESTDIR/etc/mdev.conf    <<-'EOF'
+# Provide user, group, and mode information for devices.  If a regex matches
+# the device name provided by sysfs, use the appropriate user:group and mode
+# instead of the default 0:0 660.
+#
+# Syntax:
+# %s %d:%d %s
+# devicename_regex user:group mode
+
+null           0:0 666
+zero           0:0 666
+random         0:0 666
+urandom                0:0 666
+
+kmsg           0:0 644
+kmem           0:9 000
+mem            0:9 640
+port           0:9 640
+
+snapshot       0:0 600
+
+console                0:5 600
+ptmx           0:5 666
+tty[0-9]*      0:5 600
+
+ttyS[0-9]*     0:16 660
+
+fd[0-9]*       0:19 660
+
+sd[a-z]*       0:6 660
+hd[a-z]*       0:6 660
+       EOF
+
+       mount_dev
+       mount_sys
+       mount_run
+       add_linuxrc     <<-'EOF'
+               # \n needed in mdev.seq
+               echo > /dev/mdev.seq
+               uevent mdev &
+               mdev -s
+       EOF
+}
+
+initrd_gen_stop_mdev() {
+       add_linuxrc     <<-'EOF'
+               killall uevent > /dev/null 2>&1
        EOF
 }