osquery-1/tools/lib.sh
2015-08-25 11:10:56 -04:00

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#!/usr/bin/env bash
# Copyright (c) 2014, Facebook, Inc.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree. An additional grant
# of patent rights can be found in the PATENTS file in the same directory.
ORACLE_RELEASE=/etc/oracle-release
SYSTEM_RELEASE=/etc/system-release
LSB_RELEASE=/etc/lsb-release
DEBIAN_VERSION=/etc/debian_version
function platform() {
local __out=$1
if [[ -f "$ORACLE_RELEASE" ]]; then
FAMILY="redhat"
eval $__out="oracle"
elif [[ -n `grep -o "CentOS" $SYSTEM_RELEASE 2>/dev/null` ]]; then
FAMILY="redhat"
eval $__out="centos"
elif [[ -n `grep -o "Red Hat Enterprise" $SYSTEM_RELEASE 2>/dev/null` ]]; then
FAMILY="redhat"
eval $__out="rhel"
elif [[ -n `grep -o "Amazon Linux" $SYSTEM_RELEASE 2>/dev/null` ]]; then
FAMILY="redhat"
eval $__out="amazon"
elif [[ -f "$LSB_RELEASE" ]] && grep -q 'DISTRIB_ID=Ubuntu' $LSB_RELEASE; then
FAMILY="debian"
eval $__out="ubuntu"
elif [[ -n `grep -o "Fedora" $SYSTEM_RELEASE 2>/dev/null` ]]; then
FAMILY="redhat"
eval $__out="fedora"
elif [[ -f "$DEBIAN_VERSION" ]]; then
FAMILY="debian"
eval $__out="debian"
else
eval $__out=`uname -s | tr '[:upper:]' '[:lower:]'`
fi
}
function _platform() {
platform PLATFORM
echo $PLATFORM
}
function distro() {
local __out=$2
if [[ $1 = "oracle" ]]; then
eval $__out=`grep -o "release [5-7]" $SYSTEM_RELEASE | sed 's/release /oracle/g'`
elif [[ $1 = "centos" ]]; then
eval $__out=`grep -o "release [6-7]" $SYSTEM_RELEASE | sed 's/release /centos/g'`
elif [[ $1 = "rhel" ]]; then
eval $__out=`grep -o "release [6-7]" $SYSTEM_RELEASE | sed 's/release /rhel/g'`
elif [[ $1 = "amazon" ]]; then
eval $__out=`grep -o "release 20[12][0-9]\.[0-9][0-9]" $SYSTEM_RELEASE | sed 's/release /amazon/g'`
elif [[ $1 = "ubuntu" ]]; then
eval $__out=`awk -F= '/DISTRIB_CODENAME/ { print $2 }' $LSB_RELEASE`
elif [[ $1 = "darwin" ]]; then
eval $__out=`sw_vers -productVersion | awk -F '.' '{print $1 "." $2}'`
elif [[ $1 = "fedora" ]]; then
eval $__out=`cat /etc/system-release | cut -d" " -f3`
elif [[ $1 = "debian" ]]; then
eval $__out="`lsb_release -cs`"
elif [[ $1 = "freebsd" ]]; then
eval $__out=`uname -r | awk -F '-' '{print $1}'`
else
eval $__out="unknown_version"
fi
}
function _distro() {
distro $1 DISTRO
echo $DISTRO
}
function threads() {
local __out=$1
platform OS
if [[ $FAMILY = "redhat" ]] || [[ $FAMILY = "debian" ]]; then
eval $__out=`cat /proc/cpuinfo | grep processor | wc -l`
elif [[ $OS = "darwin" ]]; then
eval $__out=`sysctl hw.ncpu | awk '{print $2}'`
elif [[ $OS = "freebsd" ]]; then
eval $__out=`sysctl -n kern.smp.cpus`
else
eval $__out=1
fi
}
function log() {
echo "[+] $1"
}
function fatal() {
echo "[!] $1"
exit 1
}
function set_cxx() {
export CXX=$1
export CMAKE_CXX_COMPILER=$1
}
function add_cxx_flag() {
export CXXFLAGS="$CXXFLAGS $1"
export CMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS $1"
}
function set_cc() {
export CC=$1
export CMAKE_C_COMPILER=$1
}
function contains_element() {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
function in_ec2() {
if [[ -d /home/ec2-user ]]; then
return 0
else
return 1
fi
}