src/initscripts/system/udev

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . ${rc_functions}
  24
  25 case "${1}" in
  26         start)
  27                 boot_mesg "Populating /dev with device nodes..."
  28                 if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
  29                         echo_failure
  30                         boot_mesg -n "FAILURE:\n\nUnable to create" ${FAILURE}
  31                         boot_mesg -n " devices without a SysFS filesystem"
  32                         boot_mesg -n "\n\nAfter you press Enter, this system"
  33                         boot_mesg -n " will be halted and powered off."
  34                         boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
  35                         boot_mesg "" ${NORMAL}
  36                         read ENTER
  37                         /etc/rc.d/init.d/halt stop
  38                 fi
  39                 if ! grep -q '[[:space:]]/dev' /proc/mounts; then
  40                         echo_failure
  41                         boot_mesg -n "FAILURE:\n\nKernel has no devtmpfs/mount" ${FAILURE}
  42                         boot_mesg -n " support but this is needed for udev."
  43                         boot_mesg -n "\n\nAfter you press Enter, this system"
  44                         boot_mesg -n " will be halted and powered off."
  45                         boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
  46                         boot_mesg "" ${NORMAL}
  47                         read ENTER
  48                         /etc/rc.d/init.d/halt stop
  49                 fi
  50
  51                 if ! grep -q '[[:space:]]/dev/shm' /proc/mounts; then
  52                         mkdir -p /dev/shm
  53                         mount -t tmpfs tmpfs -o nosuid,nodev,noexec /dev/shm
  54                 fi
  55
  56                 if ! grep -q '[[:space:]]/dev/pts' /proc/mounts; then
  57                         mkdir -p /dev/pts
  58                         mount -t devpts devpts -o nosuid,noexec,gid=5,mode=620 /dev/pts
  59                 fi
  60
  61                 # Start the udev daemon to continually watch for, and act on,
  62                 # uevents
  63                 boot_mesg "Starting udev daemon..."
  64                 loadproc udevd --daemon
  65
  66                 # Now traverse /sys in order to "coldplug" devices that have
  67                 # already been discovered
  68                 /bin/udevadm trigger --action=add
  69
  70                 # Now wait for udevd to process the uevents we triggered
  71                 /bin/udevadm settle
  72                 evaluate_retval
  73                 ;;
  74
  75         restart)
  76                 boot_mesg "Stopping udev daemon..."
  77                 killproc udevd
  78
  79                 exec $0 start
  80                 ;;
  81
  82         *)
  83                 echo "Usage ${0} {start}"
  84                 exit 1
  85                 ;;
  86 esac