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|
#!/bin/bash
# Install abrt coredump hook
#
# chkconfig: 35 82 16
# description: Installs coredump handler which saves segfault data
### BEGIN INIT INFO
# Provides: abrt-ccpp
# Required-Start: $abrtd
# Default-Stop: 0 1 2 6
# Default-Start: 3 5
# Short-Description: Installs coredump handler which saves segfault data
# Description: Installs coredump handler which saves segfault data
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
# For debugging
dry_run=false
verbose=false
# We don't have pid files, therefore have to use
# a flag file in /var/lock/subsys to enable GUI service tools
# to figure out our status
LOCK="/var/lock/subsys/abrt-ccpp"
PATTERN_FILE="/proc/sys/kernel/core_pattern"
SAVED_PATTERN_FILE="/var/run/abrt/saved_core_pattern"
HOOK_BIN="/usr/libexec/abrt-hook-ccpp"
PATTERN="|$HOOK_BIN /var/spool/abrt %s %c %p %u %g %t %h %e"
RETVAL=0
check() {
# Check that we're a privileged user
[ "`id -u`" = 0 ] || exit 4
}
start() {
check
cur=`cat "$PATTERN_FILE"`
cur_first=`printf "%s" "$cur" | sed 's/ .*//'`
$verbose && printf "cur:'%s'\n" "$cur"
# Is it already installed?
if test x"$cur_first" != x"|$HOOK_BIN"; then # no
# It is not installed
printf "%s\n" "$cur" >"$SAVED_PATTERN_FILE"
OLD_PATTERN=""
# Does old pattern start with '|'?
if test x"${cur#|}" = x"$cur"; then # no
# Encode it as hex string, NUL terminated
OLD_PATTERN=`printf "%s" "$cur" | od -tx1 | sed 's/000[^ ]*//' | xargs | sed 's/ //g'`
$verbose && printf "OLD_PATTERN:'%s'\n" "$OLD_PATTERN"
OLD_PATTERN=" ${OLD_PATTERN}00"
fi
# Install new handler
$verbose && printf "Installing to %s:'%s'\n" "$PATTERN_FILE" "${PATTERN}${OLD_PATTERN}"
$dry_run || echo "${PATTERN}${OLD_PATTERN}" >"$PATTERN_FILE"
$dry_run || touch -- "$LOCK"
fi
return $RETVAL
}
stop() {
check
if test -f "$SAVED_PATTERN_FILE"; then
$verbose && printf "Restoring to %s:'%s'\n" "$PATTERN_FILE" "`cat "$SAVED_PATTERN_FILE"`"
$dry_run || cat "$SAVED_PATTERN_FILE" >"$PATTERN_FILE"
fi
$dry_run || rm -f -- "$LOCK"
return $RETVAL
}
restart() {
stop
start
}
reload() {
restart
}
case "$1" in
start)
start
;;
stop)
stop
;;
reload)
reload
;;
force-reload)
echo "$0: Unimplemented feature."
RETVAL=3
;;
restart)
restart
;;
condrestart)
cur=`cat "$PATTERN_FILE"`
cur_first=`printf "%s" "$cur" | sed 's/ .*//'`
# Is it already installed?
if test x"$cur_first" = x"|$HOOK_BIN"; then # yes
$verbose && printf "Installed, re-installing\n"
restart
fi
;;
status)
cur=`cat "$PATTERN_FILE"`
cur_first=`printf "%s" "$cur" | sed 's/ .*//'`
# Is it already installed?
if test x"$cur_first" = x"|$HOOK_BIN"; then # yes
$verbose && printf "Installed\n"
RETVAL=0
else
$verbose && printf "Not installed\n"
RETVAL=3 # "stopped normally"
fi
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|force-reload}"
RETVAL=2
esac
exit $RETVAL
|
