/lib/lsb/init-functions is in lsb-base 4.1+Debian11ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 | # /lib/lsb/init-functions for Debian -*- shell-script -*-
#
#Copyright (c) 2002-08 Chris Lawrence
#All rights reserved.
#
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions
#are met:
#1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#3. Neither the name of the author nor the names of other contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
#THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
#IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
#WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
#LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
#BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
#OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
#EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
start_daemon () {
local force nice pidfile exec args OPTIND
force=""
nice=0
pidfile=/dev/null
OPTIND=1
while getopts fn:p: opt ; do
case "$opt" in
f) force="force";;
n) nice="$OPTARG";;
p) pidfile="$OPTARG";;
esac
done
shift $(($OPTIND - 1))
if [ "$1" = '--' ]; then
shift
fi
exec="$1"; shift
args="--start --nicelevel $nice --quiet --oknodo"
if [ "$force" ]; then
/sbin/start-stop-daemon $args \
--chdir "$PWD" --startas $exec --pidfile /dev/null -- "$@"
elif [ $pidfile ]; then
/sbin/start-stop-daemon $args \
--chdir "$PWD" --exec $exec --oknodo --pidfile "$pidfile" -- "$@"
else
/sbin/start-stop-daemon $args --chdir "$PWD" --exec $exec -- "$@"
fi
}
pidofproc () {
local pidfile base status specified pid OPTIND
pidfile=
specified=
OPTIND=1
while getopts p: opt ; do
case "$opt" in
p) pidfile="$OPTARG"
specified="specified"
;;
esac
done
shift $(($OPTIND - 1))
if [ $# -ne 1 ]; then
echo "$0: invalid arguments" >&2
return 4
fi
base=${1##*/}
if [ ! "$specified" ]; then
pidfile="/var/run/$base.pid"
fi
if [ -n "${pidfile:-}" -a -r "$pidfile" ]; then
read pid < "$pidfile"
if [ -n "${pid:-}" ]; then
if $(kill -0 "${pid:-}" 2> /dev/null); then
echo "$pid" || true
return 0
elif ps "${pid:-}" >/dev/null 2>&1; then
echo "$pid" || true
return 0 # program is running, but not owned by this user
else
return 1 # program is dead and /var/run pid file exists
fi
fi
fi
if [ -n "$specified" ]; then
if [ -e "$pidfile" -a ! -r "$pidfile" ]; then
return 4 # pidfile exists, but unreadable, return unknown
else
return 3 # pidfile specified, but contains no PID to test
fi
fi
if [ -x /bin/pidof ]; then
status="0"
/bin/pidof -o %PPID -x $1 || status="$?"
if [ "$status" = 1 ]; then
return 3 # program is not running
fi
return 0
fi
return 4 # Unable to determine status
}
# start-stop-daemon uses the same algorithm as "pidofproc" above.
killproc () {
local pidfile sig status base name_param is_term_sig OPTIND
pidfile=
name_param=
is_term_sig=
OPTIND=1
while getopts p: opt ; do
case "$opt" in
p) pidfile="$OPTARG";;
esac
done
shift $(($OPTIND - 1))
base=${1##*/}
if [ ! $pidfile ]; then
name_param="--name $base --pidfile /var/run/$base.pid"
else
name_param="--pidfile $pidfile"
fi
sig=$(echo ${2:-} | sed -e 's/^-\(.*\)/\1/')
sig=$(echo $sig | sed -e 's/^SIG\(.*\)/\1/')
if [ "$sig" = 15 ] || [ "$sig" = TERM ]; then
is_term_sig="terminate_signal"
fi
status=0
if [ ! "$is_term_sig" ]; then
if [ -n "$sig" ]; then
/sbin/start-stop-daemon --stop --signal "$sig" \
--quiet $name_param || status="$?"
else
/sbin/start-stop-daemon --stop \
--retry 5 \
--quiet $name_param || status="$?"
fi
else
/sbin/start-stop-daemon --stop --quiet \
--oknodo $name_param || status="$?"
fi
if [ "$status" = 1 ]; then
if [ -z "$sig" ]; then
return 0
fi
return 3 # program is not running
fi
if [ "$status" = 0 ] && [ "$is_term_sig" ] && [ "$pidfile" ]; then
pidofproc -p "$pidfile" "$1" >/dev/null || rm -f "$pidfile"
fi
return 0
}
# Return LSB status
status_of_proc () {
local pidfile daemon name status OPTIND
pidfile=
OPTIND=1
while getopts p: opt ; do
case "$opt" in
p) pidfile="$OPTARG";;
esac
done
shift $(($OPTIND - 1))
if [ -n "$pidfile" ]; then
pidfile="-p $pidfile"
fi
daemon="$1"
name="$2"
status="0"
pidofproc $pidfile $daemon >/dev/null || status="$?"
if [ "$status" = 0 ]; then
log_success_msg "$name is running"
return 0
elif [ "$status" = 4 ]; then
log_failure_msg "could not access PID file for $name"
return $status
else
log_failure_msg "$name is not running"
return $status
fi
}
log_use_fancy_output () {
TPUT=/usr/bin/tput
EXPR=/usr/bin/expr
if [ -t 1 ] &&
[ "x${TERM:-}" != "x" ] &&
[ "x${TERM:-}" != "xdumb" ] &&
[ -x $TPUT ] && [ -x $EXPR ] &&
$TPUT hpa 60 >/dev/null 2>&1 &&
$TPUT setaf 1 >/dev/null 2>&1
then
[ -z $FANCYTTY ] && FANCYTTY=1 || true
else
FANCYTTY=0
fi
case "$FANCYTTY" in
1|Y|yes|true) true;;
*) false;;
esac
}
log_success_msg () {
if [ -n "${1:-}" ]; then
log_begin_msg $@
fi
log_end_msg 0
}
log_failure_msg () {
if [ -n "${1:-}" ]; then
log_begin_msg $@ "..."
fi
log_end_msg 1 || true
}
log_warning_msg () {
if [ -n "${1:-}" ]; then
log_begin_msg $@ "..."
fi
log_end_msg 255 || true
}
#
# NON-LSB HELPER FUNCTIONS
#
# int get_lsb_header_val (char *scriptpathname, char *key)
get_lsb_header_val () {
if [ ! -f "$1" ] || [ -z "${2:-}" ]; then
return 1
fi
LSB_S="### BEGIN INIT INFO"
LSB_E="### END INIT INFO"
sed -n "/$LSB_S/,/$LSB_E/ s/# $2: \(.*\)/\1/p" $1
}
# If the currently running init daemon is upstart, return zero; if the
# calling init script belongs to a package which also provides a native
# upstart job, it should generally exit non-zero in this case.
init_is_upstart()
{
if [ -x /sbin/initctl ] && /sbin/initctl version 2>/dev/null | /bin/grep -q upstart; then
return 0
fi
return 1
}
# int log_begin_message (char *message)
log_begin_msg () {
log_begin_msg_pre "$@"
if [ -z "${1:-}" ]; then
return 1
fi
echo -n "$@" || true
log_begin_msg_post "$@"
}
# Sample usage:
# log_daemon_msg "Starting GNOME Login Manager" "gdm"
#
# On Debian, would output "Starting GNOME Login Manager: gdm"
# On Ubuntu, would output " * Starting GNOME Login Manager..."
#
# If the second argument is omitted, logging suitable for use with
# log_progress_msg() is used:
#
# log_daemon_msg "Starting remote filesystem services"
#
# On Debian, would output "Starting remote filesystem services:"
# On Ubuntu, would output " * Starting remote filesystem services..."
log_daemon_msg () {
if [ -z "${1:-}" ]; then
return 1
fi
log_daemon_msg_pre "$@"
if [ -z "${2:-}" ]; then
echo -n "$1:" || true
return
fi
echo -n "$1: $2" || true
log_daemon_msg_post "$@"
}
# #319739
#
# Per policy docs:
#
# log_daemon_msg "Starting remote file system services"
# log_progress_msg "nfsd"; start-stop-daemon --start --quiet nfsd
# log_progress_msg "mountd"; start-stop-daemon --start --quiet mountd
# log_progress_msg "ugidd"; start-stop-daemon --start --quiet ugidd
# log_end_msg 0
#
# You could also do something fancy with log_end_msg here based on the
# return values of start-stop-daemon; this is left as an exercise for
# the reader...
#
# On Ubuntu, one would expect log_progress_msg to be a no-op.
log_progress_msg () {
if [ -z "${1:-}" ]; then
return 1
fi
echo -n " $@" || true
}
# int log_end_message (int exitstatus)
log_end_msg () {
# If no arguments were passed, return
if [ -z "${1:-}" ]; then
return 1
fi
local retval
retval=$1
log_end_msg_pre "$@"
# Only do the fancy stuff if we have an appropriate terminal
# and if /usr is already mounted
if log_use_fancy_output; then
RED=$( $TPUT setaf 1)
YELLOW=$( $TPUT setaf 3)
NORMAL=$( $TPUT op)
else
RED=''
YELLOW=''
NORMAL=''
fi
if [ $1 -eq 0 ]; then
echo "." || true
elif [ $1 -eq 255 ]; then
/bin/echo -e " ${YELLOW}(warning).${NORMAL}" || true
else
/bin/echo -e " ${RED}failed!${NORMAL}" || true
fi
log_end_msg_post "$@"
return $retval
}
log_action_msg () {
log_action_msg_pre "$@"
echo "$@." || true
log_action_msg_post "$@"
}
log_action_begin_msg () {
log_action_begin_msg_pre "$@"
echo -n "$@..." || true
log_action_begin_msg_post "$@"
}
log_action_cont_msg () {
echo -n "$@..." || true
}
log_action_end_msg () {
local end
log_action_end_msg_pre "$@"
if [ -z "${2:-}" ]; then
end="."
else
end=" ($2)."
fi
if [ $1 -eq 0 ]; then
echo "done${end}" || true
else
if log_use_fancy_output; then
RED=$( $TPUT setaf 1)
NORMAL=$( $TPUT op)
/bin/echo -e "${RED}failed${end}${NORMAL}" || true
else
echo "failed${end}" || true
fi
fi
log_action_end_msg_post "$@"
}
# Pre&Post empty function declaration, to be overriden from /lib/lsb/init-functions.d/*
log_daemon_msg_pre () { :; }
log_daemon_msg_post () { :; }
log_begin_msg_pre () { :; }
log_begin_msg_post () { :; }
log_end_msg_pre () { :; }
log_end_msg_post () { :; }
log_action_msg_pre () { :; }
log_action_msg_post () { :; }
log_action_begin_msg_pre () { :; }
log_action_begin_msg_post () { :; }
log_action_end_msg_pre () { :; }
log_action_end_msg_post () { :; }
# Include hooks from other packages in /lib/lsb/init-functions.d
for hook in $(run-parts --lsbsysinit --list /lib/lsb/init-functions.d 2>/dev/null); do
[ -r $hook ] && . $hook || true
done
FANCYTTY=
[ -e /etc/lsb-base-logging.sh ] && . /etc/lsb-base-logging.sh || true
|