# -*-Shell-script-*- # # Thierry, jan 17 2013 # this file was put together by Jordan to provide the same interface as # /etc/init.d/functions on fedora systems # (probably is extracted from one of the fedora releases as is, not sure about that) # # we unconditionnally ship this as /etc/init.d/functions.sfa, # and then our own initscript (init.d/sfa) does source that # conditionnally, i.e. when run on debian systems #################### # # functions This file contains functions to be used by most or all # shell scripts in the /etc/init.d directory. # TEXTDOMAIN=initscripts # Make sure umask is sane umask 022 # Set up a default search path. PATH="/sbin:/usr/sbin:/bin:/usr/bin" export PATH if [ $PPID -ne 1 -a -z "$SYSTEMCTL_SKIP_REDIRECT" ] && \ ( /bin/mountpoint -q /cgroup/systemd || /bin/mountpoint -q /sys/fs/cgroup/systemd ) ; then case "$0" in /etc/init.d/*|/etc/rc.d/init.d/*) _use_systemctl=1 ;; esac fi # ubuntu does not have /bin/systemctl [ -f /bin/systemctl ] || _use_systemctl=0 systemctl_redirect () { local s local prog=${1##*/} local command=$2 case "$command" in start) s=$"Starting $prog (via systemctl): " ;; stop) s=$"Stopping $prog (via systemctl): " ;; reload|try-reload) s=$"Reloading $prog configuration (via systemctl): " ;; restart|try-restart|condrestart) s=$"Restarting $prog (via systemctl): " ;; esac action "$s" /bin/systemctl $command "$prog.service" } # Get a sane screen width [ -z "${COLUMNS:-}" ] && COLUMNS=80 #if [ -z "${CONSOLETYPE:-}" ]; then # if [ -r "/dev/stderr" ]; then # CONSOLETYPE="$(/sbin/consoletype < /dev/stderr)" # else # CONSOLETYPE="$(/sbin/consoletype)" # fi #fi if [ -z "${NOLOCALE:-}" ] && [ -z "${LANGSH_SOURCED:-}" ] && [ -f /etc/sysconfig/i18n ] ; then . /etc/profile.d/lang.sh 2>/dev/null # avoid propagating LANGSH_SOURCED any further unset LANGSH_SOURCED fi # Read in our configuration if [ -z "${BOOTUP:-}" ]; then if [ -f /etc/sysconfig/init ]; then . /etc/sysconfig/init else # This all seem confusing? Look in /etc/sysconfig/init, # or in /usr/doc/initscripts-*/sysconfig.txt BOOTUP=color RES_COL=60 MOVE_TO_COL="echo -en \\033[${RES_COL}G" SETCOLOR_SUCCESS="echo -en \\033[1;32m" SETCOLOR_FAILURE="echo -en \\033[1;31m" SETCOLOR_WARNING="echo -en \\033[1;33m" SETCOLOR_NORMAL="echo -en \\033[0;39m" LOGLEVEL=1 fi if [ "$CONSOLETYPE" = "serial" ]; then BOOTUP=serial MOVE_TO_COL= SETCOLOR_SUCCESS= SETCOLOR_FAILURE= SETCOLOR_WARNING= SETCOLOR_NORMAL= fi fi # Interpret escape sequences in an fstab entry fstab_decode_str() { fstab-decode echo "$1" } # Check if any of $pid (could be plural) are running checkpid() { local i for i in $* ; do [ -d "/proc/$i" ] && return 0 done return 1 } __readlink() { ls -bl "$@" 2>/dev/null| awk '{ print $NF }' } __fgrep() { s=$1 f=$2 while read line; do if strstr "$line" "$s"; then echo $line return 0 fi done < $f return 1 } # __umount_loop awk_program fstab_file first_msg retry_msg umount_args # awk_program should process fstab_file and return a list of fstab-encoded # paths; it doesn't have to handle comments in fstab_file. __umount_loop() { local remaining sig= local retry=3 count remaining=$(LC_ALL=C awk "/^#/ {next} $1" "$2" | sort -r) while [ -n "$remaining" -a "$retry" -gt 0 ]; do if [ "$retry" -eq 3 ]; then action "$3" fstab-decode umount $5 $remaining else action "$4" fstab-decode umount $5 $remaining fi count=4 remaining=$(LC_ALL=C awk "/^#/ {next} $1" "$2" | sort -r) while [ "$count" -gt 0 ]; do [ -z "$remaining" ] && break count=$(($count-1)) # jordan # usleep 500000 sleep 0.5 remaining=$(LC_ALL=C awk "/^#/ {next} $1" "$2" | sort -r) done [ -z "$remaining" ] && break fstab-decode /sbin/fuser -k -m $sig $remaining >/dev/null sleep 3 retry=$(($retry -1)) sig=-9 done } # Similar to __umount loop above, specialized for loopback devices __umount_loopback_loop() { local remaining devremaining sig= local retry=3 remaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $2}' /proc/mounts) devremaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $1}' /proc/mounts) while [ -n "$remaining" -a "$retry" -gt 0 ]; do if [ "$retry" -eq 3 ]; then action $"Unmounting loopback filesystems: " \ fstab-decode umount $remaining else action $"Unmounting loopback filesystems (retry):" \ fstab-decode umount $remaining fi for dev in $devremaining ; do losetup $dev > /dev/null 2>&1 && \ action $"Detaching loopback device $dev: " \ losetup -d $dev done remaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $2}' /proc/mounts) devremaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $1}' /proc/mounts) [ -z "$remaining" ] && break fstab-decode /sbin/fuser -k -m $sig $remaining >/dev/null sleep 3 retry=$(($retry -1)) sig=-9 done } # __proc_pids {program} [pidfile] # Set $pid to pids from /var/run* for {program}. $pid should be declared # local in the caller. # Returns LSB exit code for the 'status' action. __pids_var_run() { local base=${1##*/} local pid_file=${2:-/var/run/$base.pid} pid= if [ -f "$pid_file" ] ; then local line p [ ! -r "$pid_file" ] && return 4 # "user had insufficient privilege" while : ; do read line [ -z "$line" ] && break for p in $line ; do [ -z "${p//[0-9]/}" ] && [ -d "/proc/$p" ] && pid="$pid $p" done done < "$pid_file" if [ -n "$pid" ]; then return 0 fi return 1 # "Program is dead and /var/run pid file exists" fi return 3 # "Program is not running" } # Output PIDs of matching processes, found using pidof __pids_pidof() { pidof -c -o $$ -o $PPID -o %PPID -x "$1" || \ pidof -c -o $$ -o $PPID -o %PPID -x "${1##*/}" # jordan # pidof -c -m -o $$ -o $PPID -o %PPID -x "$1" || \ # jordan # pidof -c -m -o $$ -o $PPID -o %PPID -x "${1##*/}" } # A function to start a program. daemon() { # Test syntax. local gotbase= force= nicelevel corelimit local pid base= user= nice= bg= pid_file= local cgroup= nicelevel=0 while [ "$1" != "${1##[-+]}" ]; do case $1 in '') echo $"$0: Usage: daemon [+/-nicelevel] {program}" return 1;; --check) base=$2 gotbase="yes" shift 2 ;; --check=?*) base=${1#--check=} gotbase="yes" shift ;; --user) user=$2 shift 2 ;; --user=?*) user=${1#--user=} shift ;; --pidfile) pid_file=$2 shift 2 ;; --pidfile=?*) pid_file=${1#--pidfile=} shift ;; --force) force="force" shift ;; [-+][0-9]*) nice="nice -n $1" shift ;; *) echo $"$0: Usage: daemon [+/-nicelevel] {program}" return 1;; esac done # Save basename. [ -z "$gotbase" ] && base=${1##*/} # See if it's already running. Look *only* at the pid file. __pids_var_run "$base" "$pid_file" [ -n "$pid" -a -z "$force" ] && return # make sure it doesn't core dump anywhere unless requested corelimit="ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0}" # if they set NICELEVEL in /etc/sysconfig/foo, honor it [ -n "${NICELEVEL:-}" ] && nice="nice -n $NICELEVEL" # if they set CGROUP_DAEMON in /etc/sysconfig/foo, honor it if [ -n "${CGROUP_DAEMON}" ]; then if [ ! -x /bin/cgexec ]; then echo -n "Cgroups not installed"; warning echo else cgroup="/bin/cgexec"; for i in $CGROUP_DAEMON; do cgroup="$cgroup -g $i"; done fi fi # Echo daemon [ "${BOOTUP:-}" = "verbose" -a -z "${LSB:-}" ] && echo -n " $base" # And start it up. if [ -z "$user" ]; then $cgroup $nice /bin/bash -c "$corelimit >/dev/null 2>&1 ; $*" else $cgroup $nice runuser -s /bin/bash $user -c "$corelimit >/dev/null 2>&1 ; $*" fi [ "$?" -eq 0 ] && success $"$base startup" || failure $"$base startup" } # A function to stop a program. killproc() { local RC killlevel= base pid pid_file= delay RC=0; delay=3 # Test syntax. if [ "$#" -eq 0 ]; then echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]" return 1 fi if [ "$1" = "-p" ]; then pid_file=$2 shift 2 fi if [ "$1" = "-d" ]; then delay=$2 shift 2 fi # check for second arg to be kill level [ -n "${2:-}" ] && killlevel=$2 # Save basename. base=${1##*/} # Find pid. __pids_var_run "$1" "$pid_file" RC=$? if [ -z "$pid" ]; then if [ -z "$pid_file" ]; then pid="$(__pids_pidof "$1")" else [ "$RC" = "4" ] && { failure $"$base shutdown" ; return $RC ;} fi fi # Kill it. if [ -n "$pid" ] ; then [ "$BOOTUP" = "verbose" -a -z "${LSB:-}" ] && echo -n "$base " if [ -z "$killlevel" ] ; then if checkpid $pid 2>&1; then # TERM first, then KILL if not dead kill -TERM $pid >/dev/null 2>&1 sleep 0.1 # jordan # usleep 100000 if checkpid $pid && sleep 1 && checkpid $pid && sleep $delay && checkpid $pid ; then kill -KILL $pid >/dev/null 2>&1 sleep 0.1 # jordan # usleep 100000 fi fi checkpid $pid RC=$? [ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown" RC=$((! $RC)) # use specified level only else if checkpid $pid; then kill $killlevel $pid >/dev/null 2>&1 RC=$? [ "$RC" -eq 0 ] && success $"$base $killlevel" || failure $"$base $killlevel" elif [ -n "${LSB:-}" ]; then RC=7 # Program is not running fi fi else if [ -n "${LSB:-}" -a -n "$killlevel" ]; then RC=7 # Program is not running else failure $"$base shutdown" RC=0 fi fi # Remove pid file if any. if [ -z "$killlevel" ]; then rm -f "${pid_file:-/var/run/$base.pid}" fi return $RC } # A function to find the pid of a program. Looks *only* at the pidfile pidfileofproc() { local pid # Test syntax. if [ "$#" = 0 ] ; then echo $"Usage: pidfileofproc {program}" return 1 fi __pids_var_run "$1" [ -n "$pid" ] && echo $pid return 0 } # A function to find the pid of a program. pidofproc() { local RC pid pid_file= # Test syntax. if [ "$#" = 0 ]; then echo $"Usage: pidofproc [-p pidfile] {program}" return 1 fi if [ "$1" = "-p" ]; then pid_file=$2 shift 2 fi fail_code=3 # "Program is not running" # First try "/var/run/*.pid" files __pids_var_run "$1" "$pid_file" RC=$? if [ -n "$pid" ]; then echo $pid return 0 fi [ -n "$pid_file" ] && return $RC __pids_pidof "$1" || return $RC } status() { local base pid lock_file= pid_file= # Test syntax. if [ "$#" = 0 ] ; then echo $"Usage: status [-p pidfile] {program}" return 1 fi if [ "$1" = "-p" ]; then pid_file=$2 shift 2 fi if [ "$1" = "-l" ]; then lock_file=$2 shift 2 fi base=${1##*/} if [ "$_use_systemctl" = "1" ]; then systemctl status ${0##*/}.service return $? fi # First try "pidof" __pids_var_run "$1" "$pid_file" RC=$? if [ -z "$pid_file" -a -z "$pid" ]; then pid="$(__pids_pidof "$1")" fi if [ -n "$pid" ]; then echo $"${base} (pid $pid) is running..." return 0 fi case "$RC" in 0) echo $"${base} (pid $pid) is running..." return 0 ;; 1) echo $"${base} dead but pid file exists" return 1 ;; 4) echo $"${base} status unknown due to insufficient privileges." return 4 ;; esac if [ -z "${lock_file}" ]; then lock_file=${base} fi # See if /var/lock/subsys/${lock_file} exists if [ -f /var/lock/subsys/${lock_file} ]; then echo $"${base} dead but subsys locked" return 2 fi echo $"${base} is stopped" return 3 } echo_success() { [ "$BOOTUP" = "color" ] && $MOVE_TO_COL echo -n "[" [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS echo -n $" OK " [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL echo -n "]" echo -ne "\r" return 0 } echo_failure() { [ "$BOOTUP" = "color" ] && $MOVE_TO_COL echo -n "[" [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE echo -n $"FAILED" [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL echo -n "]" echo -ne "\r" return 1 } echo_passed() { [ "$BOOTUP" = "color" ] && $MOVE_TO_COL echo -n "[" [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING echo -n $"PASSED" [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL echo -n "]" echo -ne "\r" return 1 } echo_warning() { [ "$BOOTUP" = "color" ] && $MOVE_TO_COL echo -n "[" [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING echo -n $"WARNING" [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL echo -n "]" echo -ne "\r" return 1 } # Inform the graphical boot of our current state update_boot_stage() { if [ -x /usr/bin/plymouth ]; then /usr/bin/plymouth --update="$1" fi return 0 } # Log that something succeeded success() { [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_success return 0 } # Log that something failed failure() { local rc=$? [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_failure [ -x /usr/bin/plymouth ] && /usr/bin/plymouth --details return $rc } # Log that something passed, but may have had errors. Useful for fsck passed() { local rc=$? [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_passed return $rc } # Log a warning warning() { local rc=$? [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_warning return $rc } # Run some action. Log its output. action() { local STRING rc STRING=$1 echo -n "$STRING " shift "$@" && success $"$STRING" || failure $"$STRING" rc=$? echo return $rc } # returns OK if $1 contains $2 strstr() { [ "${1#*$2*}" = "$1" ] && return 1 return 0 } # Confirm whether we really want to run this service confirm() { [ -x /usr/bin/plymouth ] && /usr/bin/plymouth --hide-splash while : ; do echo -n $"Start service $1 (Y)es/(N)o/(C)ontinue? [Y] " read answer if strstr $"yY" "$answer" || [ "$answer" = "" ] ; then return 0 elif strstr $"cC" "$answer" ; then rm -f /var/run/confirm [ -x /usr/bin/plymouth ] && /usr/bin/plymouth --show-splash return 2 elif strstr $"nN" "$answer" ; then return 1 fi done } # resolve a device node to its major:minor numbers in decimal or hex get_numeric_dev() { ( fmt="%d:%d" if [ "$1" = "hex" ]; then fmt="%x:%x" fi ls -lH "$2" | awk '{ sub(/,/, "", $5); printf("'"$fmt"'", $5, $6); }' ) 2>/dev/null } # Check whether file $1 is a backup or rpm-generated file and should be ignored is_ignored_file() { case "$1" in *~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave) return 0 ;; esac return 1 } # Evaluate shvar-style booleans is_true() { case "$1" in [tT] | [yY] | [yY][eE][sS] | [tT][rR][uU][eE]) return 0 ;; esac return 1 } # Evaluate shvar-style booleans is_false() { case "$1" in [fF] | [nN] | [nN][oO] | [fF][aA][lL][sS][eE]) return 0 ;; esac return 1 } key_is_random() { [ "$1" = "/dev/urandom" -o "$1" = "/dev/hw_random" \ -o "$1" = "/dev/random" ] } find_crypto_mount_point() { local fs_spec fs_file fs_vfstype remaining_fields local fs while read fs_spec fs_file remaining_fields; do if [ "$fs_spec" = "/dev/mapper/$1" ]; then echo $fs_file break; fi done < /etc/fstab } # Because of a chicken/egg problem, init_crypto must be run twice. /var may be # encrypted but /var/lib/random-seed is needed to initialize swap. init_crypto() { local have_random dst src key opt mode owner params makeswap skip arg opt local param value rc ret mke2fs mdir prompt mount_point ret=0 have_random=$1 while read dst src key opt; do [ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue [ -b "/dev/mapper/$dst" ] && continue; if [ "$have_random" = 0 ] && key_is_random "$key"; then continue fi if [ -n "$key" -a "x$key" != "xnone" ]; then if test -e "$key" ; then owner=$(ls -l $key | (read a b owner rest; echo $owner)) if ! key_is_random "$key"; then mode=$(ls -l "$key" | cut -c 5-10) if [ "$mode" != "------" ]; then echo $"INSECURE MODE FOR $key" fi fi if [ "$owner" != root ]; then echo $"INSECURE OWNER FOR $key" fi else echo $"Key file for $dst not found, skipping" ret=1 continue fi else key="" fi params="" makeswap="" mke2fs="" skip="" # Parse the src field for UUID= and convert to real device names if [ "${src%%=*}" == "UUID" ]; then src=$(/sbin/blkid -t "$src" -l -o device) elif [ "${src/^\/dev\/disk\/by-uuid\/}" != "$src" ]; then src=$(__readlink $src) fi # Is it a block device? [ -b "$src" ] || continue # Is it already a device mapper slave? (this is gross) devesc=${src##/dev/} devesc=${devesc//\//!} for d in /sys/block/dm-*/slaves ; do [ -e $d/$devesc ] && continue 2 done # Parse the options field, convert to cryptsetup parameters and # contruct the command line while [ -n "$opt" ]; do arg=${opt%%,*} opt=${opt##$arg} opt=${opt##,} param=${arg%%=*} value=${arg##$param=} case "$param" in cipher) params="$params -c $value" if [ -z "$value" ]; then echo $"$dst: no value for cipher option, skipping" skip="yes" fi ;; size) params="$params -s $value" if [ -z "$value" ]; then echo $"$dst: no value for size option, skipping" skip="yes" fi ;; hash) params="$params -h $value" if [ -z "$value" ]; then echo $"$dst: no value for hash option, skipping" skip="yes" fi ;; verify) params="$params -y" ;; swap) makeswap=yes ;; tmp) mke2fs=yes esac done if [ "$skip" = "yes" ]; then ret=1 continue fi if [ -z "$makeswap" ] && cryptsetup isLuks "$src" 2>/dev/null ; then if key_is_random "$key"; then echo $"$dst: LUKS requires non-random key, skipping" ret=1 continue fi if [ -n "$params" ]; then echo "$dst: options are invalid for LUKS partitions," \ "ignoring them" fi if [ -n "$key" ]; then /sbin/cryptsetup -d $key luksOpen "$src" "$dst" <&1 2>/dev/null && success || failure rc=$? else mount_point="$(find_crypto_mount_point $dst)" [ -n "$mount_point" ] || mount_point=${src##*/} prompt=$(printf $"%s is password protected" "$mount_point") plymouth ask-for-password --prompt "$prompt" --command="/sbin/cryptsetup luksOpen -T1 $src $dst" <&1 rc=$? fi else [ -z "$key" ] && plymouth --hide-splash /sbin/cryptsetup $params ${key:+-d $key} create "$dst" "$src" <&1 2>/dev/null && success || failure rc=$? [ -z "$key" ] && plymouth --show-splash fi if [ $rc -ne 0 ]; then ret=1 continue fi if [ -b "/dev/mapper/$dst" ]; then if [ "$makeswap" = "yes" ]; then mkswap "/dev/mapper/$dst" 2>/dev/null >/dev/null fi if [ "$mke2fs" = "yes" ]; then if mke2fs "/dev/mapper/$dst" 2>/dev/null >/dev/null \ && mdir=$(mktemp -d /tmp/mountXXXXXX); then mount "/dev/mapper/$dst" "$mdir" && chmod 1777 "$mdir" umount "$mdir" rmdir "$mdir" fi fi fi done < /etc/crypttab return $ret } # A sed expression to filter out the files that is_ignored_file recognizes __sed_discard_ignored_files='/\(~\|\.bak\|\.orig\|\.rpmnew\|\.rpmorig\|\.rpmsave\)$/d' if [ "$_use_systemctl" = "1" ]; then if [ "x$1" = xstart -o \ "x$1" = xstop -o \ "x$1" = xrestart -o \ "x$1" = xreload -o \ "x$1" = xtry-restart -o \ "x$1" = xforce-reload -o \ "x$1" = xcondrestart ] ; then systemctl_redirect $0 $1 exit $? fi fi