accel-ppp-auto-install-debian-12.sh

#!/usr/bin/env bash

# Author: remontti.com.br

# Define color codes with standard ANSI escape sequences
GREEN='\033[1;32m'
BLUE='\033[1;36m'
YELLOW='\033[1;33m'
NC='\033[0m'

# Check if terminal supports colors
if [ -t 1 ]; then
    USE_COLORS=1
else
    USE_COLORS=0
    GREEN=""
    BLUE=""
    YELLOW=""
    NC=""
fi

# Check if running as root
if [ "$EUID" -ne 0 ]; then
    echo -e "   ${YELLOW}This script must be run as root (use sudo).${NC}\n"
    exit 1
fi

# Display header
echo -e "   ${BLUE}    _   ___ ___ ___ _       ___ ___ ___ ${NC}"
echo -e "   ${BLUE}   /_\ / __/ __| __| |  ___| _ \\ _ \\ _ \\ ${NC}"
echo -e "   ${BLUE}  / _ \\ (_| (__| _|| |_|___|  _/  _/  _/ ${NC}"
echo -e "   ${BLUE} /_/ \\_\\___\\___|___|____|  |_| |_| |_| ${NC}"
echo -e "   ${YELLOW}      Installation ON Debian 12${NC}\n"

# Check the distribution and version
DISTRO=$(cat /etc/os-release | grep "PRETTY_NAME" | sed 's/PRETTY_NAME=//g' | sed 's/["]//g' | awk '{print $1}')
VERSION=$(cat /etc/os-release | grep "VERSION_ID" | sed 's/VERSION_ID=//g' | sed 's/["]//g' | awk '{print $1}')

# Log file for errors
LOGFILE="/tmp/accel-ppp-install.log"

if [ "$DISTRO" != "Debian" ]; then
    echo -e "   ${YELLOW}Your Linux distribution ($DISTRO) is not Debian!!!${NC}\n"
    exit 1
elif [ "$VERSION" != "12" ]; then
    echo -e "   ${YELLOW}Your Debian version ($VERSION) is not 12. This script is optimized for Debian 12.${NC}"
    echo -n "     Continue anyway? (Y)Yes/(N)No [N] "
    read continue_response
    if [[ "$continue_response" != "y" && "$continue_response" != "Y" ]]; then
        echo -e "\n    Installation canceled.\n"
        exit 1
    fi
fi

# Help option
if [[ "$1" == "-h" || "$1" == "--help" ]]; then
    echo -e "   ${BLUE}Usage:${NC}"
    echo -e "     ./$(basename "$0") [-h|--help]"
    echo -e "   Installs Accel-PPP on Debian 12 with optional IPoE and VLAN support."
    echo -e "   Run as root or with sudo.\n"
    exit 0
fi

echo -n "     Do you want to install ACCEL-PPP? (Y)Yes/(N)No [N] "
read response

case "$response" in
    y|Y)
        echo -e "    ${BLUE}Updating package lists...${NC}"
        apt update > "$LOGFILE" 2>&1
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}Failed to update package lists. Check $LOGFILE for details.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Installing dependencies...${NC}"
        apt install -y git build-essential cmake libsnmp-dev linux-headers-$(uname -r) libpcre3-dev libssl-dev liblua5.4-dev libpcre2-dev >> "$LOGFILE" 2>&1
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}Failed to install dependencies. Check $LOGFILE for details.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Cloning Accel-PPP repository...${NC}"
        mkdir -p /usr/local/src/accel/build
        cd /usr/local/src/accel
        if [ -d "accel-ppp" ]; then
            echo -e "    ${YELLOW}Directory accel-ppp already exists.${NC}"
            echo -n "    Overwrite? (Y)Yes/(n)No [n] "
            read overwrite_response
            if [[ "$overwrite_response" == "y" || "$overwrite_response" == "Y" ]]; then
                rm -rf accel-ppp
                git clone https://github.com/accel-ppp/accel-ppp.git >> "$LOGFILE" 2>&1
                if [ $? -ne 0 ]; then
                    echo -e "    ${YELLOW}Failed to clone accel-ppp repository after overwrite. Check $LOGFILE for details.${NC}\n"
                    exit 1
                fi
            else
                echo -e "    ${BLUE}Using existing accel-ppp directory.${NC}\n"
            fi
        else
            git clone https://github.com/accel-ppp/accel-ppp.git >> "$LOGFILE" 2>&1
            if [ $? -ne 0 ]; then
                echo -e "    ${YELLOW}Failed to clone accel-ppp repository. Check $LOGFILE for details.${NC}\n"
                exit 1
            fi
        fi
        cd /usr/local/src/accel/build

        echo -e "    ${BLUE}Configuring with CMake...${NC}"
        cmake \
        -DCPACK_TYPE=Debian12 \
        -DBUILD_IPOE_DRIVER=TRUE \
        -DBUILD_VLAN_MON_DRIVER=TRUE \
        -DRADIUS=TRUE \
        -DNETSNMP=TRUE \
        -DLUA=TRUE \
        -DLUA=5.4 \
        -DCMAKE_BUILD_TYPE=Release \
        -DCMAKE_INSTALL_PREFIX=/usr \
        -DKDIR=/usr/src/linux-headers-$(uname -r) \
        ../accel-ppp >> "$LOGFILE" 2>&1
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}CMake configuration failed. Check $LOGFILE for details.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Compiling source...${NC}"
        make >> "$LOGFILE" 2>&1
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}Compilation failed. Possible OpenSSL 3.0 issues or kernel module errors. Try -DBUILD_IPOE_DRIVER=FALSE -DBUILD_VLAN_MON_DRIVER=FALSE. See $LOGFILE.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Installing kernel modules...${NC}"
        if [ -f drivers/ipoe/driver/ipoe.ko ]; then
            cp drivers/ipoe/driver/ipoe.ko /lib/modules/$(uname -r)
        else
            echo -e "    ${YELLOW}Warning: ipoe.ko not found. IPoE module not compiled.${NC}\n"
        fi
        if [ -f drivers/vlan_mon/driver/vlan_mon.ko ]; then
            cp drivers/vlan_mon/driver/vlan_mon.ko /lib/modules/$(uname -r)
        else
            echo -e "    ${YELLOW}Warning: vlan_mon.ko not found. VLAN module not compiled.${NC}\n"
        fi
        depmod -a
        modprobe vlan_mon 2>/dev/null || echo -e "    ${YELLOW}Warning: Failed to load vlan_mon module.${NC}\n"
        modprobe ipoe 2>/dev/null || echo -e "    ${YELLOW}Warning: Failed to load ipoe module.${NC}\n"

        echo "vlan_mon" >> /etc/modules
        echo "ipoe" >> /etc/modules

        echo -e "    ${BLUE}Creating and installing DEB package...${NC}"
        cpack -G DEB >> "$LOGFILE" 2>&1
        if [ -f accel-ppp.deb ]; then
            apt install ./accel-ppp.deb >> "$LOGFILE" 2>&1
            if [ $? -ne 0 ]; then
                echo -e "    ${YELLOW}Failed to install accel-ppp.deb. Check $LOGFILE for details.${NC}\n"
                exit 1
            fi
        else
            echo -e "    ${YELLOW}Failed to create accel-ppp.deb. Check $LOGFILE for details.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Enabling accel-ppp service...${NC}"
        systemctl enable accel-ppp >> "$LOGFILE" 2>&1
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}Failed to enable accel-ppp service. Check $LOGFILE for details.${NC}\n"
            exit 1
        fi

        echo -e "    ${BLUE}Copying configuration file...${NC}"
        cp /etc/accel-ppp.conf.dist /etc/accel-ppp.conf
        if [ $? -ne 0 ]; then
            echo -e "    ${YELLOW}Failed to copy accel-ppp.conf.dist. Ensure it exists in /etc/.${NC}\n"
            exit 1
        fi

        # Verify installation
        if command -v accel-pppd >/dev/null 2>&1; then
            VERSION=$(accel-pppd -V 2>&1)
            echo -e "    ${GREEN}Accel-PPP installed successfully! Version: $VERSION${NC}\n"
        else
            echo -e "    ${YELLOW}Warning: accel-pppd not found in PATH. Installation may have issues.${NC}\n"
        fi

        echo -e "    ${BLUE}Edit the file ${YELLOW}/etc/accel-ppp.conf${NC} ${BLUE}to configure according to your needs.${NC}"
        echo -e "    ${BLUE}Restart the service after changes:${NC}"
        echo -e "    ${BLUE}  systemctl restart accel-ppp${NC}\n"
        echo -e "    ${BLUE}Detailed logs are available in $LOGFILE${NC}\n"
        ;;
    n|N|"")
        echo -e "\n    Installation canceled.\n"
        ;;
    *)
        echo -e "\n    Invalid option\n"
        ;;
esac