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Diffstat (limited to 'rc.d/init.d/functions')
| -rw-r--r-- | rc.d/init.d/functions | 721 |
1 files changed, 0 insertions, 721 deletions
diff --git a/rc.d/init.d/functions b/rc.d/init.d/functions deleted file mode 100644 index a8174751..00000000 --- a/rc.d/init.d/functions +++ /dev/null @@ -1,721 +0,0 @@ -# -*-Shell-script-*- -# -# 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" ] && \ - [ -d /run/systemd/system ] ; then - case "$0" in - /etc/init.d/*|/etc/rc.d/init.d/*) - _use_systemctl=1 - ;; - esac -fi - -systemctl_redirect () { - local s - local prog=${1##*/} - local command=$2 - local options="" - - case "$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 $prog (via systemctl): " - ;; - esac - - if [ -n "$SYSTEMCTL_IGNORE_DEPENDENCIES" ] ; then - options="--ignore-dependencies" - fi - - if ! systemctl show "$prog.service" > /dev/null 2>&1 || \ - systemctl show -p LoadState "$prog.service" | grep -q 'not-found' ; then - action $"Reloading systemd: " /bin/systemctl daemon-reload - fi - - action "$s" /bin/systemctl $options $command "$prog.service" -} - -# Get a sane screen width -[ -z "${COLUMNS:-}" ] && COLUMNS=80 - -if [ -z "${CONSOLETYPE:-}" ]; then - if [ -c "/dev/stderr" ] && [ -r "/dev/stderr" ]; then - CONSOLETYPE="$(/sbin/consoletype < /dev/stderr 2>/dev/null)" - else - CONSOLETYPE="serial" - fi -fi - -if [ -z "${NOLOCALE:-}" ] && [ -z "${LANGSH_SOURCED:-}" ] && \ - [ -f /etc/sysconfig/i18n -o -f /etc/locale.conf ] ; then - . /etc/profile.d/lang.sh 2>/dev/null - # avoid propagating LANGSH_SOURCED any further - unset LANGSH_SOURCED -fi - -# Read in our configuration -if [ -z "${BOOTUP:-}" ]; then - if [ -f /etc/sysconfig/init ]; then - . /etc/sysconfig/init - else - # verbose ->> very (very!) old bootup look (prior to RHL-6.0?) - # color ->> default bootup look - # other ->> default bootup look without ANSI colors or positioning - BOOTUP=color - # Column to start "[ OK ]" label in: - RES_COL=60 - # terminal sequence to move to that column: - MOVE_TO_COL="echo -en \\033[${RES_COL}G" - # Terminal sequence to set color to a 'success' (bright green): - SETCOLOR_SUCCESS="echo -en \\033[1;32m" - # Terminal sequence to set color to a 'failure' (bright red): - SETCOLOR_FAILURE="echo -en \\033[1;31m" - # Terminal sequence to set color to a 'warning' (bright yellow): - SETCOLOR_WARNING="echo -en \\033[1;33m" - # Terminal sequence to reset to the default color: - SETCOLOR_NORMAL="echo -en \\033[0;39m" - - # Verbosity of logging: - LOGLEVEL=1 - fi - if [ "$CONSOLETYPE" = "serial" ]; then - BOOTUP=serial - MOVE_TO_COL= - SETCOLOR_SUCCESS= - SETCOLOR_FAILURE= - SETCOLOR_WARNING= - SETCOLOR_NORMAL= - fi -fi - -# 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 -} - -__kill_pids_term_kill_checkpids() { - local base_stime=$1 - shift 1 - local pid= - local pids=$* - local remaining= - local stat= - local stime= - - for pid in $pids ; do - [ ! -e "/proc/$pid" ] && continue - read -r line < "/proc/$pid/stat" 2> /dev/null - - stat=($line) - stime=${stat[21]} - - [ -n "$stime" ] && [ "$base_stime" -lt "$stime" ] && continue - remaining+="$pid " - done - - echo "$remaining" - [ -n "$remaining" ] && return 1 - - return 0 -} - -__kill_pids_term_kill() { - local try=0 - local delay=3; - local pid= - local stat= - local base_stime= - - # We can't initialize stat & base_stime on the same line where 'local' - # keyword is, otherwise the sourcing of this file will fail for ksh... - stat=($(< /proc/self/stat)) - base_stime=${stat[21]} - - if [ "$1" = "-d" ]; then - delay=$2 - shift 2 - fi - - local kill_list=$* - - kill_list=$(__kill_pids_term_kill_checkpids $base_stime $kill_list) - - [ -z "$kill_list" ] && return 0 - - kill -TERM $kill_list >/dev/null 2>&1 - sleep 0.1 - - kill_list=$(__kill_pids_term_kill_checkpids $base_stime $kill_list) - if [ -n "$kill_list" ] ; then - while [ $try -lt $delay ] ; do - sleep 1 - kill_list=$(__kill_pids_term_kill_checkpids $base_stime $kill_list) - [ -z "$kill_list" ] && break - let try+=1 - done - if [ -n "$kill_list" ] ; then - kill -KILL $kill_list >/dev/null 2>&1 - sleep 0.1 - kill_list=$(__kill_pids_term_kill_checkpids $base_stime $kill_list) - fi - fi - - [ -n "$kill_list" ] && return 1 - return 0 -} - -# __proc_pids {program} [pidfile] -# Set $pid to pids from /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=${2:-/run/$base.pid} - local pid_dir=$(/usr/bin/dirname $pid_file > /dev/null) - local binary=$3 - - [ -d "$pid_dir" ] && [ ! -r "$pid_dir" ] && return 4 - - pid= - if [ -f "$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 $line ; do - if [ -z "${p//[0-9]/}" ] && [ -d "/proc/$p" ] ; then - if [ -n "$binary" ] ; then - local b=$(readlink /proc/$p/exe | sed -e 's/\s*(deleted)$//') - [ "$b" != "$binary" ] && continue - fi - pid="$pid $p" - fi - done - done < "$pid_file" - - if [ -n "$pid" ]; then - return 0 - fi - return 1 # "Program is dead and /run pid file exists" - fi - return 3 # "Program is not running" -} - -# Output PIDs of matching processes, found using pidof -__pids_pidof() { - pidof -c -m -o $$ -o $PPID -o %PPID -x "$1" || \ - pidof -c -m -o $$ -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}" "[arg1]..." - 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 $"$0: Usage: daemon [+/-nicelevel] {program}" "[arg1]..." - return 1 - ;; - esac - done - - # Save basename. - [ -z "$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 try binary= - - RC=0; delay=3; try=0 - # 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" = "-b" ]; then - if [ -z $pid_file ]; then - echo $"-b option can be used only with -p" - echo $"Usage: killproc -p pidfile -b binary program" - return 1 - fi - binary=$2 - shift 2 - fi - if [ "$1" = "-d" ]; then - delay=$(echo $2 | awk -v RS=' ' -v IGNORECASE=1 '{if($1!~/^[0-9.]+[smhd]?$/) exit 1;d=$1~/s$|^[0-9.]*$/?1:$1~/m$/?60:$1~/h$/?60*60:$1~/d$/?24*60*60:-1;if(d==-1) exit 1;delay+=d*$1} END {printf("%d",delay+0.5)}') - if [ "$?" -eq 1 ]; then - echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]" - return 1 - fi - shift 2 - fi - - - # check for second arg to be kill level - [ -n "${2:-}" ] && killlevel=$2 - - # Save basename. - base=${1##*/} - - # Find pid. - __pids_var_run "$1" "$pid_file" "$binary" - RC=$? - 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 - __kill_pids_term_kill -d $delay $pid - RC=$? - [ "$RC" -eq 0 ] && success $"$base shutdown" || failure $"$base shutdown" - # 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:-/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 "/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 $RC -} - -status() { - local base pid lock_file= pid_file= binary= - - # Test syntax. - if [ "$#" = 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 - if [ "$1" = "-b" ]; then - if [ -z $pid_file ]; then - echo $"-b option can be used only with -p" - echo $"Usage: status -p pidfile -b binary program" - return 1 - fi - binary=$2 - shift 2 - fi - base=${1##*/} - - if [ "$_use_systemctl" = "1" ]; then - systemctl status ${0##*/}.service - ret=$? - # LSB daemons that dies abnormally in systemd looks alive in systemd's eyes due to RemainAfterExit=yes - # lets adjust the reality a little bit - if systemctl show -p ActiveState ${0##*/}.service | grep -q '=active$' && \ - systemctl show -p SubState ${0##*/}.service | grep -q '=exited$' ; then - ret=3 - fi - return $ret - fi - - # First try "pidof" - __pids_var_run "$1" "$pid_file" "$binary" - RC=$? - 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 /bin/plymouth ]; then - /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 /bin/plymouth ] && /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 -} - -# Check whether file $1 is a backup or rpm-generated file and should be ignored -is_ignored_file() { - case "$1" in - *~ | *.bak | *.old | *.orig | *.rpmnew | *.rpmorig | *.rpmsave) - return 0 - ;; - esac - return 1 -} - -# Convert the value ${1} of time unit ${2}-seconds into seconds: -convert2sec() { - local retval="" - - case "${2}" in - deci) retval=$(awk "BEGIN {printf \"%.1f\", ${1} / 10}") ;; - centi) retval=$(awk "BEGIN {printf \"%.2f\", ${1} / 100}") ;; - mili) retval=$(awk "BEGIN {printf \"%.3f\", ${1} / 1000}") ;; - micro) retval=$(awk "BEGIN {printf \"%.6f\", ${1} / 1000000}") ;; - nano) retval=$(awk "BEGIN {printf \"%.9f\", ${1} / 1000000000}") ;; - piko) retval=$(awk "BEGIN {printf \"%.12f\", ${1} / 1000000000000}") ;; - esac - - echo "${retval}" -} - -# Evaluate shvar-style booleans -is_true() { - case "$1" in - [tT] | [yY] | [yY][eE][sS] | [oO][nN] | [tT][rR][uU][eE] | 1) - return 0 - ;; - esac - return 1 -} - -# Evaluate shvar-style booleans -is_false() { - case "$1" in - [fF] | [nN] | [nN][oO] | [oO][fF][fF] | [fF][aA][lL][sS][eE] | 0) - return 0 - ;; - esac - return 1 -} - -# Apply sysctl settings, including files in /etc/sysctl.d -apply_sysctl() { - if [ -x /lib/systemd/systemd-sysctl ]; then - /lib/systemd/systemd-sysctl - else - for file in /usr/lib/sysctl.d/*.conf ; do - is_ignored_file "$file" && continue - [ -f /run/sysctl.d/${file##*/} ] && continue - [ -f /etc/sysctl.d/${file##*/} ] && continue - test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1 - done - for file in /run/sysctl.d/*.conf ; do - is_ignored_file "$file" && continue - [ -f /etc/sysctl.d/${file##*/} ] && continue - test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1 - done - for file in /etc/sysctl.d/*.conf ; do - is_ignored_file "$file" && continue - test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1 - done - sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1 - fi -} - -# A sed expression to filter out the files that is_ignored_file recognizes -__sed_discard_ignored_files='/\(~\|\.bak\|\.old\|\.orig\|\.rpmnew\|\.rpmorig\|\.rpmsave\)$/d' - -if [ "$_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 $? - fi -fi - -strstr "$(cat /proc/cmdline)" "rc.debug" && set -x -return 0 - |