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#!/bin/bash
# Copyright (C) 2014,2017,2019 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.
noapn_modems=(lvw2 lsp3 cdma)
# Comment out AT+CGDCONT= statement
remove_apn_sedcmd="s/^(OK[[:space:]]+'|#MT[[:space:]]+)(AT\+CGDCONT=[0-9]+[^\']*)'*/#comment by mlinux-set-apn \2/"
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=$1
fi
set_apn_sedcmd="s/^(#comment by mlinux-set-apn )*(OK[[:space:]]+'|#MT[[:space:]]+)*AT\+CGDCONT=([0-9]+),\"([^\"]*)\",\"[^\"]*\".*/#MT AT\+CGDCONT=\3,\"\4\",\"${apn}\"/"
getmodem()
{
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
if [[ $radioproduct =~ [^-]*-([^-]*)- ]] ; then
echo "${BASH_REMATCH[1]}"
fi
}
function findItem
{
local s check="$1"
shift
for s ; do [[ "$s" == "$check" ]] && return 0; done
return 1
}
cd /var/config/ppp/peers
if ((clear != 1)) ; then
for f in $noapn ; do
echo "Not allowed to set APN for $f"
done
for f in *_chat *_chat_non_vz ; do
if [[ -L $f ]] ; then
continue
fi
[[ $f =~ ([^_]*) ]]
m=${BASH_REMATCH[1]}
if findItem "$m" "${noapn_modems[@]}" ; then
continue
fi
if sed -r -i "${set_apn_sedcmd}" ${f}; then
echo "Set APN to \"${apn}\" in ${f}"
if ! grep -q /usr/libexec/ppp/chat_wrapper ${m} ; then
sed -i "s?connect '/usr/sbin/chat?connect '/usr/libexec/ppp/chat_wrapper /usr/sbin/chat?" ${m}
fi
else
echo "Failed to set APN in $f_chat"
fi
done
else
for f in *_chat *_chat_non_vz ; do
if sed -i -r "${remove_apn_sedcmd}" $f ; then
echo "Commented out APN in $f"
else
if [[ $f =~ ([^_]*) ]] ; then
m=${BASH_REMATCH[1]}
if ! findItem "$m" "${noapn_modems[@]}" ; then
echo "Failed to remove APN setting in $f"
fi
fi
fi
done
fi
exit 0
|
