131 lines
2.7 KiB
Bash
Executable File
131 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# $DIALD_LINK is the name of the link we are connecting.
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# $DIALD_DEVICE is the device we are calling out on.
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#CFG_SCRIPTS='/usr/share/diald'
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CFG_SCRIPTS='/etc/diald/scripts'
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CFG_DEVICE='/etc/diald/device.conf'
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CFG_LINK="/etc/diald/link"
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CFG_SEQ='/var/run'
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# $DIALD_DEVTYPE is a sanitized version of $DIALD_DEVICE.
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case "$DIALD_DEVICE" in
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ippp*) DIALD_DEVTYPE='isdn' ;;
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isdn*) DIALD_DEVTYPE='isdn' ;;
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*) DIALD_DEVTYPE='modem' ;;
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esac
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connect()
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{
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status=0
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# If this device has a dial script we use it to bring up
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# the physical link.
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if [ -n "$dial_script" -a "$dial_script" != '-' ]; then
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"$CFG_SCRIPTS/$dial_script"
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status=$?
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if [ $status -ne 0 ]; then
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exit $status
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fi
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fi
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# If we need to do some form of login when connecting this
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# link over this device, do it now.
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if [ -n "$LOGIN" -a "$LOGIN" != '-' ]; then
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"$CFG_SCRIPTS/login/$LOGIN"
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status=$?
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fi
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# If everything worked we start from the beginning of the
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# list again next time
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if [ $status -eq 0 ]; then
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echo 1 > "$CFG_SEQ/dialdseq.$DIALD_LINK"
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fi
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exit $status
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}
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# Save stdin, we need it later if we are dialling a modem.
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exec 9<&0
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# Find out what dial script to use on this device.
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exec < "$CFG_DEVICE"
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gotdev=
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while read dev dial_script dial_args
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do
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# Ignore blank lines and comments.
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case "$dev" in
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'#'*|'')
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continue ;;
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esac
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if [ "$dev" = "$DIALD_DEVICE" -o "$dev" = "$DIALD_DEVTYPE" ]; then
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gotdev=1
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break
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fi
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done
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if [ -z "$gotdev" ]; then
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echo "<3>No entry for $DIALD_DEVICE, type $DIALD_DEVTYPE in $CFG_DEVICE"
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exit 1
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fi
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seq=0
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if [ -r "$CFG_SEQ/dialdseq.$DIALD_LINK" ]; then
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seq=`cat "$CFG_SEQ/dialdseq.$DIALD_LINK"`
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fi
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seq=`expr $seq + 1`
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echo $seq > "$CFG_SEQ/dialdseq.$DIALD_LINK"
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passes=2
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while [ $passes -gt 0 ]; do
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passes=`expr $passes - 1`
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exec < "$CFG_LINK"
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dev_type=
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link_params=
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base_params=
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counted=0
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while read dev_type link_params
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do
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# Ignore blank lines and comments.
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case "$dev_type" in
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'#'*|'')
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continue ;;
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esac
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if [ "$dev_type" = '=' ]; then
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base_params="$link_params"
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elif [ "$dev_type" = '+' ]; then
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base_params="$base_params $link_params"
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elif [ "$dev_type" = "$DIALD_DEVICE" \
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-o "$dev_type" = "$DIALD_DEVTYPE" ]; then
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counted=`expr $counted + 1`
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seq=`expr $seq - 1`
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if [ $seq -eq 0 ]; then
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passes=0
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exec 0<&9
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eval "$dial_args $base_params $link_params connect"
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exit $?
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fi
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fi
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done
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# If no entries match there is a problem
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if [ $counted -eq 0 ]; then
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echo "<3>No entry for $DIALD_DEVICE, type $DIALD_DEVTYPE in $CFG_LINK"
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exit 1
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fi
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# One or more entries exists, we have just run off the end
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# of the list so we have to start again from the top.
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echo 1 > "$CFG_SEQ/dialdseq.$DIALD_LINK"
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seq=1
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done
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exit 1
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