uawdijnntqw1x1x1
IP : 216.73.216.155
Hostname : vm5018.vps.agava.net
Kernel : Linux vm5018.vps.agava.net 3.10.0-1127.8.2.vz7.151.14 #1 SMP Tue Jun 9 12:58:54 MSK 2020 x86_64
Disable Function : None :)
OS : Linux
PATH:
/
var
/
lib
/
..
/
.
/
lib
/
dpkg
/
info
/
udev.preinst
/
/
#!/bin/sh -e # Hack to get the dpkg process' PID despite using debconf if [ -z "$PARENT_PID" ]; then export PARENT_PID=$PPID fi . /usr/share/debconf/confmodule supported_kernel() { local version if [ "$1" ]; then version="$1" else version="$(uname -r)" fi case "$version" in 2.[012345].*|2.6.[0-9]|2.6.[0-9][!0-9]*) return 1 ;; 2.6.1[0-9]|2.6.1[0-9][!0-9]*) return 1 ;; 2.6.2[0-5]|2.6.2[0-5][!0-9]*) return 1 ;; esac return 0 } check_installed_kernel() { for ver in /lib/modules/*; do ver=${ver##*/} [ "$ver" = '*' ] && return 1 supported_kernel "$ver" && return 0 done return 1 } check_installing_kernel() { for pkg in $(ps hp $PARENT_PID -o args); do ver=$(echo $pkg | sed -nr "s/^.*linux-image-(2\.6\.[0-9]+)-([0-9]+|trunk)-.*_.*_.*\.deb$/\1/p") [ "$ver" ] && supported_kernel "$ver" && return 0 done return 1 } check_kernel_version() { # skip the check if udev is not already active [ -d /dev/.udev/ ] || return 0 supported_kernel && return if [ -e /etc/udev/kernel-upgrade ]; then echo "This version of udev requires a kernel >= 2.6.26, but the upgrade was forced." # restart udevd which was killed by the old prerm udevd -d || true return 0 fi db_settitle udev/title/upgrade if check_installed_kernel || check_installing_kernel; then db_fset udev/reboot_needed seen false db_input high udev/reboot_needed || true db_go db_stop echo "A reboot is needed, but proceeding with the upgrade." touch /etc/udev/kernel-upgrade # restart udevd which was killed by the old prerm udevd -d || true return 0 fi db_fset udev/new_kernel_needed seen false db_reset udev/new_kernel_needed db_input critical udev/new_kernel_needed || true db_go db_get udev/new_kernel_needed if [ "$RET" = true ]; then db_stop echo "This version of udev requires a kernel >= 2.6.26, but the upgrade was forced." touch /etc/udev/kernel-upgrade # restart udevd which was killed by the old prerm udevd -d || true return 0 fi db_stop exit 1 } check_kernel_features() { # skip the check if udev is not already active [ -d /dev/.udev/ ] || return 0 # skip the check if check_kernel_version() decided that a new kernel is # being installed [ -e /etc/udev/kernel-upgrade ] && return 0 local abort_install=0 if [ -e /proc/kallsyms ]; then local needed_symbols='sys_inotify_init sys_signalfd' local missing_symbol=0 for symbol in $needed_symbols; do if ! egrep -q "^[a-fA-F0-9]+ T \.?${symbol}$" /proc/kallsyms; then missing_symbol=1 abort_install=1 break fi done fi local sysfs_deprecated=0 if [ -d /sys/class/mem/null -a ! -L /sys/class/mem/null ]; then sysfs_deprecated=1 fi if [ "$missing_symbol" -eq 1 ]; then cat <<END Since release 146, udev requires support for the following features in the running kernel: - inotify(2) (CONFIG_INOTIFY_USER) - signalfd(2) (CONFIG_SIGNALFD) END fi if [ "$sysfs_deprecated" -eq 1 ]; then db_input critical udev/sysfs_deprecated_incompatibility || true fi if [ "$abort_install" -eq 0 ]; then return 0 fi cat <<END Please upgrade your kernel before or while upgrading udev. AT YOUR OWN RISK, you can force the installation of this version of udev WHICH DOES NOT WORK WITH YOUR RUNNING KERNEL AND WILL BREAK YOUR SYSTEM AT THE NEXT REBOOT by creating the /etc/udev/kernel-upgrade file. There is always a safer way to upgrade, do not try this unless you understand what you are doing! END db_stop exit 1 } check_devfs_names() { [ -e /etc/udev/rules.d/devfs.rules ] || return 0 cat <<END Since release 0.124-1 udev does not support anymore devfs-like names. Please convert to standard names before upgrading: rm -f /etc/udev/rules.d/devfs.rules /etc/udev/rules.d/compat-full.rules /etc/udev/rules.d/compat.rules ln -s ../udev.rules /etc/udev/rules.d/ END exit 1 } rm_conffile() { mv_conffile "$1" "$1.dpkg-bak" } mv_conffile() { local package='udev' local name="$1" local newname="$2" [ -e "$name" ] || return 0 local md5="$(md5sum $name | sed -e 's/ .*//')" oldmd5="$(dpkg-query -W -f='${Conffiles}' $package | \ sed -n -e "\' $name ' { s/ obsolete$//; s/.* //; p }")" if [ "$md5" = "$oldmd5" ]; then rm -f "$name" else mv "$name" "$newname" fi } replace_sysfs_attr() { local file=$1 [ -f $file ] || return 0 egrep '^[^#].+\<SYSFS\{' $file || return 0 sed -r -e '/^#/!s/\<SYSFS(\{[^}]+}==)/ATTR\1/g' < $file > $file.tmp mv $file.tmp $file } check_version() { # $2 is non-empty when installing from the "config-files" state [ "$2" ] || return 0 if dpkg --compare-versions $2 lt 157-1; then if dpkg --compare-versions $2 lt 150-1; then # these must be checked first to allow aborting before changing anything check_kernel_version check_kernel_features if dpkg --compare-versions $2 lt 0.140-1; then if dpkg --compare-versions $2 lt 0.124-1; then # this must be checked first to allow aborting before changing anything check_devfs_names if dpkg --compare-versions $2 lt 0.098-1; then echo 'Upgrading udev from packages older than 0.098-1 is not supported.' echo 'Please purge the package and then reinstall it.' exit 1 fi # lt 0.124-1 rm_conffile /etc/udev/cd-aliases-generator.rules rm_conffile /etc/udev/compat-full.rules rm_conffile /etc/udev/compat.rules rm_conffile /etc/udev/devfs.rules rm_conffile /etc/udev/hotplug.rules rm_conffile /etc/udev/permissions.rules rm_conffile /etc/udev/persistent-input.rules rm_conffile /etc/udev/persistent-net-generator.rules rm_conffile /etc/udev/persistent.rules rm_conffile /etc/udev/run.rules rm_conffile /etc/udev/udev.rules # removed in 0.113-1 rm_conffile /etc/udev/hotplugd.rules ( cd /etc/udev/rules.d/ # delete dangling symlinks find -L . -type l -print0 | xargs --no-run-if-empty --null rm # rename the generated files if [ -e z25_persistent-cd.rules -a ! -e 70-persistent-cd.rules ]; then mv z25_persistent-cd.rules 70-persistent-cd.rules fi if [ -e z25_persistent-net.rules -a ! -e 70-persistent-net.rules ]; then mv z25_persistent-net.rules 70-persistent-net.rules fi ) fi # 0.124-1 # lt 0.140-1 rm_conffile /etc/modprobe.d/display_class rm_conffile /etc/modprobe.d/pnp-hotplug mv_conffile /etc/modprobe.d/blacklist /etc/modprobe.d/blacklist.conf for file in 50-udev 60-persistent-input 60-persistent-storage \ 60-persistent-storage-tape 60-persistent-v4l 91-permissions 80-drivers \ 75-cd-aliases-generator 75-persistent-net-generator 95-late; do rm_conffile /etc/udev/rules.d/$file.rules done # SYSFS is equivalent to ATTRS, and multiple ATTRS attributes do not match # when the keys are from different kobjects like in this case. replace_sysfs_attr /etc/udev/rules.d/70-persistent-net.rules fi # 0.140-1 # lt 146-1 rm_conffile /etc/scsi_id.config fi # 146-1 # suppress errors when the new rules files contain options not supported by # the old daemon udevadm control --log-priority=0 || true fi # 157-1 } case "$1" in install) check_version "$@" ;; upgrade|abort-upgrade) check_version "$@" ;; *) echo "$0 called with unknown argument '$1'" >&2 exit 1 ;; esac
/var/lib/.././lib/dpkg/info/udev.preinst