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# Contributed by Robbie Smith <zoqaeski@gmail.com>
# Based on Thomas Bächler’s <thomas@archlinux.org> pppoe script
# Also see <https://wiki.archlinux.org/index.php/3G_and_GPRS_modems_with_pppd> for more information.
: ${PPPD:=pppd}
: ${InterfaceRoot=dev/}
quote_word() {
set -- "${@//\\/\\\\}"
printf '"%s"\n' "${@//\"/\\\"}"
}
mobile_ppp_up() {
local options chat
options="$STATE_DIR/mobile_ppp.${Interface}.${Profile}/options"
chat="$STATE_DIR/mobile_ppp.${Interface}.${Profile}/modem.chat"
mkdir -p "$(dirname "$options")"
cat >> "$options" << EOF
linkname $(quote_word "$Profile")
$(quote_word "$Interface")
921600
lock
crtscts
modem
passive
novj
holdoff 10
noauth
$(is_yes "${DefaultRoute:-yes}" || printf no)defaultroute
maxfail $(quote_word "${MaxFail:-5}")
$(is_yes "${UsePeerDNS:-yes}" && printf usepeerdns)
hide-password
${User:+user $(quote_word "$User")}
${Password:+password $(quote_word "$Password")}
connect $(quote_word "/usr/sbin/chat -v -t15 -f $(quote_word "$chat")")
${OptionsFile:+file $(quote_word "$OptionsFile")}
EOF
cat >> "$chat" << EOF
ECHO ON
ABORT 'BUSY'
ABORT 'NO CARRIER'
ABORT 'VOICE'
ABORT 'NO DIALTONE'
ABORT 'NO DIAL TONE'
ABORT 'NO ANSWER'
ABORT 'DELAYED'
ABORT '\nRINGING\r\n\r\nRINGING\r'
REPORT CONNECT
TIMEOUT 6
'' 'ATQ0'
'OK-AT-OK' 'ATZ'
TIMEOUT 3
'OK' 'AT+CFUN=1'
'OK' 'AT${Pin:++CPIN=$(quote_word "$Pin")}'
'OK\d-AT-OK' 'ATI'
'OK' 'ATZ'
'OK' 'ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0'
'OK' 'AT$(case $Mode in
3Gonly) printf "\^SYSCFG=14,2,3fffffff,0,1";;
3Gpref) printf "\^SYSCFG=2,2,3fffffff,0,1";;
GPRSonly) printf "\^SYSCFG=13,1,3fffffff,0,0";;
GPRSpref) printf "\^SYSCFG=2,1,3fffffff,0,0";;
esac)'
${AccessPointName:+'OK-AT-OK' 'AT+CGDCONT=1,"IP",$(quote_word "$AccessPointName")'}
'OK' 'ATDT${PhoneNumber:-*99#}'
TIMEOUT 30
CONNECT ''
EOF
if ! $PPPD file "$options"; then
rm "$options" "$chat"
rmdir "$(dirname "$options")"
report_error "Could not establish a ppp connection for profile '$Profile'."
return 1
fi
}
mobile_ppp_down() {
local options chat pidfile pid
options="$STATE_DIR/mobile_ppp.$Interface.$Profile/options"
chat="$STATE_DIR/mobile_ppp.$Interface.$Profile/modem.chat"
pidfile="/var/run/ppp-$Profile.pid"
if [[ -r $pidfile ]]; then
read pid < "$pidfile"
(( pid )) && kill "$pid"
fi
rm "$options" "$chat"
rmdir "$(dirname "$options")"
}
# vim: ft=sh ts=4 et sw=4:
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