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#!/bin/bash
# Copyright (C) 2014,2017 Multi-Tech Systems
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
gsm_chat_file=/etc/ppp/peers/gsm_chat
lvw2_chat_file=/etc/ppp/peers/lvw2_chat
leu1_chat_file=/etc/ppp/peers/leu1_chat
lna3_chat_file=/etc/ppp/peers/lna3_chat_non_vz
lna3_chat_link=/etc/ppp/peers/lna3_chat
lna3_readme=/etc/ppp/peers/README.lna3
function usage {
echo "Usage: $(basename $0) [--] APN"
echo "Or $(basename $0) -c to clear the APN line"
echo "-- is requied if the APN begins with -"
exit 1
}
((clear=0))
if (($# < 1)); then
usage
fi
if [[ $1 == "--" ]] ; then
apn=$2
elif [[ $1 == "-c" ]] ; then
clear=1
elif [[ $1 =~ ^- ]] ; then
usage
else
apn=$1
fi
radioproduct=$(/usr/sbin/mts-io-sysfs show product-id) # LNA3?
if (($? != 0)) ; then
echo "Radio is not ready or not found and cannot determine the type"
exit 1
fi
# Disable the LNA3 chat script
if ! [[ -L $lna3_chat_link ]] || [[ $(basename $(readlink -f $lna3_chat_link)) != README.lna3 ]] ; then
ln -sf "${lna3_readme}" "${lna3_chat_link}"
echo Disabling LNA3 chat script.
fi
if ((clear != 1)) ; then
if sed -r -i "s/^(#comment by mlinux-set-apn )*OK\s+'AT\+CGDCONT=([0-9]*),\"([^\"]*)\",\"[^\"]*\"'$/OK 'AT\+CGDCONT=\2,\"\3\",\"${apn}\"'/" $gsm_chat_file ; then
echo "Set APN to \"${apn}\" in $gsm_chat_file"
else
echo "Failed to set APN in $gsm_chat_file"
fi
echo "Not allowed to set APN for $lvw2_chat_file"
# We cannot set the APN for a Verizon modem
# sed -r -i "s/^(#comment by mlinux-set-apn )*OK\s+'AT\+CGDCONT=3,\"IPV4V6\",\"[^\"]*\"'$/OK 'AT\+CGDCONT=3,\"IPV4V6\",\"${apn}\"'/" $lvw2_chat_file
if sed -r -i "s/^(#comment by mlinux-set-apn )*OK\s+'AT\+CGDCONT=([0-9]*),\"([^\"]*)\",\"[^\"]*\"'$/OK 'AT\+CGDCONT=\2,\"\3\",\"${apn}\"'/" $leu1_chat_file ; then
echo "Set APN to \"${apn}\" in $leu1_chat_file"
else
echo "Failed to set APN in $leu1_chat_file"
fi
if sed -r -i "s/^(#comment by mlinux-set-apn )*OK\s+'AT\+CGDCONT=([0-9]*),\"([^\"]*)\",\"[^\"]*\"'$/OK 'AT\+CGDCONT=\2,\"\3\",\"${apn}\"'/" $lna3_chat_file ; then
echo "Set APN to \"${apn}\" in $lna3_chat_file"
else
echo "Failed to set APN in $lna3_chat_file"
fi
else
if sed -r -i "s/^(OK\s+'AT\+CGDCONT=[0-9]*,\"[^\"]*\",\"[^\"]*\"'$)/#comment by mlinux-set-apn \1/" $gsm_chat_file ; then
echo "Commented out APN in $gsm_chat_file"
else
echo "Failed to comment out APN in $gsm_chat_file"
fi
# Not setting APN in lvw2 is OK, since Verizon should not have an APN in a chat file.
if sed -r -i "s/^(OK\s+'AT\+CGDCONT=[0-9]*,\"[^\"]*\",\"[^\"]*\"'$)/#comment by mlinux-set-apn \1/" $lvw2_chat_file ; then
echo "Commented out APN in $lvw2_chat_file"
fi
if sed -r -i "s/^(OK\s+'AT\+CGDCONT=[0-9]*,\"[^\"]*\",\"[^\"]*\"'$)/#comment by mlinux-set-apn \1/" $leu1_chat_file ; then
echo "Commented out APN in $leu1_chat_file"
else
echo "Failed to comment out APN in $leu1_chat_file"
fi
if sed -r -i "s/^(OK\s+'AT\+CGDCONT=[0-9]*,\"[^\"]*\",\"[^\"]*\"'$)/#comment by mlinux-set-apn \1/" $lna3_chat_file ; then
echo "Commented out APN in $lna3_chat_file"
else
echo "Failed to comment out APN in $lna3_chat_file"
fi
fi
exit 0
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