Added: script to automate OpenArmor installation on various Linux dis…

…tributions

This commit adds a Bash script that automates the installation of OpenArmor on various Linux distributions including RedHat, CentOS, Fedora, Amazon Linux, Ubuntu, Debian, and OpenSuse. The script performs the following tasks:

- Detects the Linux distribution.
- Installs the required dependencies.
- Clones the OpenArmor repository from GitHub.
- Allows the user to choose whether to use the system's PCRE2 and zlib libraries or the local versions.
- Runs the OpenArmor installation script with the appropriate settings.

Links to the necessary resources:
- OpenArmor GitHub Repository: https://github.com/openarmor/openarmor-hids
- PCRE2 Source: https://ftp.pcre.org/pub/pcre/pcre2-10.32.tar.gz

The script simplifies the process of setting up OpenArmor on supported Linux distributions and ensures that all dependencies are correctly installed and configured.

requirements.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# Git repository link
+OSSEC_REPO="https://github.com/openarmor/openarmor-hids"
+PCRE2_URL="https://ftp.pcre.org/pub/pcre/pcre2-10.32.tar.gz"
+
+# Function to install OSSEC on RedHat/Centos/Fedora/Amazon Linux
+install_redhat() {
+    echo "Installing on RedHat/CentOS/Fedora/Amazon Linux..."
+    sudo yum install -y zlib-devel pcre2-devel make gcc sqlite-devel openssl-devel libevent-devel systemd-devel
+
+    # Optional database support
+    sudo yum install -y mysql-devel postgresql-devel
+
+    # Clone and install OSSEC
+    git clone $OSSEC_REPO
+    cd openarmor-hids
+
+    # Choose PCRE2 system or local installation
+    read -p "Use system's PCRE2 libraries? (yes/no): " use_system_pcre2
+    if [[ "$use_system_pcre2" == "yes" ]]; then
+        PCRE2_SYSTEM=yes ./install.sh
+    else
+        wget $PCRE2_URL -O pcre2-10.32.tar.gz
+        tar xzf pcre2-10.32.tar.gz -C src/external
+        PCRE2_SYSTEM=no ./install.sh
+    fi
+
+    # Choose zlib system or local installation
+    read -p "Use system's zlib libraries? (yes/no): " use_system_zlib
+    if [[ "$use_system_zlib" == "yes" ]]; then
+        ZLIB_SYSTEM=yes ./install.sh
+    else
+        ZLIB_SYSTEM=no ./install.sh
+    fi
+}
+
+# Function to install OSSEC on Ubuntu/Debian
+install_debian() {
+    echo "Installing on Ubuntu/Debian..."
+    sudo apt-get update
+    sudo apt-get install -y build-essential make zlib1g-dev libpcre2-dev libevent-dev libssl-dev
+
+    # Optional database support
+    sudo apt-get install -y mysql-dev postgresql-dev
+    sudo apt-get install -y default-libmysqlclient-dev libmariadb-dev-compat libsqlite3-dev
+
+    # Clone and install OSSEC
+    git clone $OSSEC_REPO
+    cd openarmor-hids
+
+    # Choose PCRE2 system or local installation
+    read -p "Use system's PCRE2 libraries? (yes/no): " use_system_pcre2
+    if [[ "$use_system_pcre2" == "yes" ]]; then
+        PCRE2_SYSTEM=yes ./install.sh
+    else
+        wget $PCRE2_URL -O pcre2-10.32.tar.gz
+        tar xzf pcre2-10.32.tar.gz -C src/external
+        PCRE2_SYSTEM=no ./install.sh
+    fi
+
+    # Choose zlib system or local installation
+    read -p "Use system's zlib libraries? (yes/no): " use_system_zlib
+    if [[ "$use_system_zlib" == "yes" ]]; then
+        ZLIB_SYSTEM=yes ./install.sh
+    else
+        ZLIB_SYSTEM=no ./install.sh
+    fi
+}
+
+# Function to install OSSEC on OpenSuse
+install_opensuse() {
+    echo "Installing on OpenSuse..."
+    sudo zypper install -y zlib-devel pcre2-devel
+
+    # Optional database support
+    sudo zypper install -y mysql-devel postgresql-devel
+
+    # Clone and install OSSEC
+    git clone $OSSEC_REPO
+    cd openarmor-hids
+
+    # Choose PCRE2 system or local installation
+    read -p "Use system's PCRE2 libraries? (yes/no): " use_system_pcre2
+    if [[ "$use_system_pcre2" == "yes" ]]; then
+        PCRE2_SYSTEM=yes ./install.sh
+    else
+        wget $PCRE2_URL -O pcre2-10.32.tar.gz
+        tar xzf pcre2-10.32.tar.gz -C src/external
+        PCRE2_SYSTEM=no ./install.sh
+    fi
+
+    # Choose zlib system or local installation
+    read -p "Use system's zlib libraries? (yes/no): " use_system_zlib
+    if [[ "$use_system_zlib" == "yes" ]]; then
+        ZLIB_SYSTEM=yes ./install.sh
+    else
+        ZLIB_SYSTEM=no ./install.sh
+    fi
+}
+
+# Determine the Linux distribution
+if [ -f /etc/redhat-release ]; then
+    install_redhat
+elif [ -f /etc/debian_version ]; then
+    install_debian
+elif [ -f /etc/SuSE-release ]; then
+    install_opensuse
+else
+    echo "Unsupported OS"
+    exit 1
+fi