mirror of https://gitee.com/openkylin/ppp.git
105 lines
2.7 KiB
Bash
105 lines
2.7 KiB
Bash
#!/bin/sh
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# $Id: poff,v 1.1 2002/11/24 23:30:44 etbe Exp $
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# Written by John Hasler <john@dhh.gt.org> and based on work
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# by Phil Hands <phil@hands.com>. Distributed under the GNU GPL
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if [ -x /usr/bin/kill ]; then
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KILL="/usr/bin/kill"
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else
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KILL="/bin/kill"
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fi
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SIG=TERM
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DONE="stopped"
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MODE=""
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usage ()
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{
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cat <<!EOF!
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usage: $0 [option] [provider]
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options:
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-r Cause pppd to drop the line and redial.
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-d Toggle the state of pppd's debug option.
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-c Cause pppd to renegotiate compression.
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-a Stop all pppd's. 'provider' will be ignored.
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-h Print this help summary and exit.
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-v Print version and exit.
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none Stop pppd.
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Options may not be combined.
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If 'provider' is omitted pppd will be stopped or signalled if and only if
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there is exactly one running unless the '-a' option was given. If
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'provider' is supplied the pppd controlling the connection to that
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provider will be stopped or signalled.
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!EOF!
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}
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# Get option. If there are none replace the "?" that getopts puts in
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# FLAG on error with "null".
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getopts rdcavh FLAG
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if [ "$?" -ne 0 ]; then
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FLAG="null"
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fi
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# Check for additional options. Should be none.
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getopts :rdcavh DUMMY
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if [ "$?" -eq 0 ]; then
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echo "$0: Illegal option -- ${OPTARG}."
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exit 1
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fi
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case $FLAG in
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"r") SIG=HUP; DONE=signalled; shift ;;
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"d") SIG=USR1; DONE=signalled; shift ;;
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"c") SIG=USR2; DONE=signalled; shift ;;
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"a") MODE="all"; shift ;;
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"v") echo "$0$Revision: 1.1 $_TrickToPrint_RCS_Revision"; exit 0 ;;
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"h") usage; exit 0 ;;
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"?") exit 1;
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esac
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# Get the PIDs of all the pppds running. Could also get these from
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# /var/run, but pppd doesn't create .pid files until ppp is up.
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PIDS=`pidof pppd`
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# poff is pointless if pppd isn't running.
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if test -z "$PIDS"; then
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echo "$0: No pppd is running. None ${DONE}."
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exit 1
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fi
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# Find out how many pppd's are running.
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N=`echo "$PIDS" | wc -w`
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# If there are no arguments we can't do anything if there is more than one
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# pppd running.
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if test "$#" -eq 0 -a "$N" -gt 1 -a $FLAG != "a" ; then
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echo "$0: More than one pppd running and no "-a" option and
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no arguments supplied. Nothing ${DONE}."
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exit 1
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fi
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# If either there are no arguments or '-a' was specified kill all the
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# pppd's.
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if test "$#" -eq 0 -o "$MODE" = "all" ; then
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$KILL -$SIG $PIDS || {
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echo "$0: $KILL failed. None ${DONE}."
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exit 1
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}
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exit 0
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fi
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# There is an argument, so kill the pppd started on that provider.
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PID=`ps axw | grep "[ /]pppd call $1" | grep -w "$1" | awk '{print $1}'`
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if test -n "$PID" ; then
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$KILL -$SIG $PID || {
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echo "$0: $KILL failed. None ${DONE}."
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exit 1
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}
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else
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echo "$0: I could not find a pppd process for provider '$1'. None ${DONE}."
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exit 1
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fi
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exit 0
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