Bearbeiten von „Raspberry Amok Installation“

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#!/bin/bash

REPOSITORY="deb http://security.debian.org testing/updates main contrib non-free"
WVDIAL_CONF="/etc/wvdial.conf"
APT_SOURCES="/etc/apt/sources.list"



USAGE="$0 USERNAME GROUPNAME SIM-PIN"
if [ $UID != 0 ]; then
	echo "only root can execute this script!"
	exit 1
fi

USERNAME=$1
if [ "$USERNAME" = "" ]; then
	echo "missing USERNAME"
	echo $USAGE
	exit 10
fi

GROUPNAME=$2
if [ "$GROUPNAME" = "" ]; then
	echo "missing GROUPNAME"
	echo $USAGE
	exit 11
fi

PIN=$3
if [ "$PIN" = "" ]; then
        echo "missing SIM-PIN"
        echo $USAGE
        exit 11
fi



# INSTALL PACKAGES
if ! command -v wvdial >/dev/null 2>&1; then
	echo "'wvdial' is not installed - installing it"
 
	RESULT=`grep "$REPOSITORY" $APT_SOURCES 2> /dev/null`
	if [ "$RESULT" != "$REPOSITORY" ]; then
		echo "adding repository to $APT_SOURCES"
		echo -e "\n$REPOSITORY" >> $APT_SOURCES
	else
		echo "repository already in $APT_SOURCES"
	fi
	sudo apt-get update
	sudo apt-get install -y wvdial
else
	echo "'wvdial' is already installed"
fi



# WRITE CONFIG
CONFIG=""
CONFIG="${CONFIG}\n[Dialer Defaults]"
CONFIG="${CONFIG}\nInit2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0"
CONFIG="${CONFIG}\nModem Type = Analog Modem"
CONFIG="${CONFIG}\nISDN = 0"
CONFIG="${CONFIG}\nInit1 = ATZ"
CONFIG="${CONFIG}\nModem = /dev/ttyUSB0"
CONFIG="${CONFIG}\nBaud = 9600"
CONFIG="${CONFIG}\n"
CONFIG="${CONFIG}\n[Dialer pin]"
CONFIG="${CONFIG}\nInit3 = AT+CPIN=$PIN"
CONFIG="${CONFIG}\n"
CONFIG="${CONFIG}\n[Dialer connect]"
CONFIG="${CONFIG}\nCarrier Check = no"
CONFIG="${CONFIG}\nInit4 = AT+CGDCONT=1,\"IP\",\"internet.t-d1.de\""
CONFIG="${CONFIG}\nStupid Mode = 1"
CONFIG="${CONFIG}\nPhone = *99#"
CONFIG="${CONFIG}\nDialer Command = ATD"
CONFIG="${CONFIG}\nDial Attemps = 2"
CONFIG="${CONFIG}\nUsername = internet"
CONFIG="${CONFIG}\nPassword = t-d1"

sudo echo -e "$CONFIG" > $WVDIAL_CONF
sudo chmod u=rw,go=r $WVDIAL_CONF
echo "wrote '$WVDIAL_CONF'"



# CHANGE SOME PERMISSIONS TO BE ABLE TO EXECUTE AS NON-ROOT

sudo adduser $USERNAME dip
sudo adduser $USERNAME dialout

echo "changing permissions of ppp-binaries"
sudo chmod o+x,g+s /usr/sbin/pppd
sudo chown $USERNAME:$GROUPNAME /etc/ppp/pap-secrets
sudo chown $USERNAME:$GROUPNAME /etc/ppp/chap-secrets
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