97 lines
2.9 KiB
Ruby
97 lines
2.9 KiB
Ruby
class Sshguard < Formula
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desc "Protect from brute force attacks against SSH"
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homepage "https://www.sshguard.net/"
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url "https://downloads.sourceforge.net/project/sshguard/sshguard/2.1.0/sshguard-2.1.0.tar.gz"
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sha256 "21252a4834ad8408df384ee4ddf468624aa9de9cead5afde1c77380a48cf028a"
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version_scheme 1
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bottle do
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cellar :any_skip_relocation
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sha256 "eb13c51b65f9007163ade54a5f01699da82b4ba3c225af30a57ed05593bfe60e" => :high_sierra
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sha256 "63b4d94b319432258792e9d00a0474c11c1bc37fe19deee1c7ee62f2980c982d" => :sierra
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sha256 "4231ea2fbff92a76b72e8f3707e4600451e9315740cd5864c54641dc8bd75857" => :el_capitan
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end
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head do
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url "https://bitbucket.org/sshguard/sshguard.git"
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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depends_on "docutils" => :build
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end
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def install
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system "autoreconf", "-fiv" if build.head?
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system "./configure", "--disable-dependency-tracking",
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"--disable-silent-rules",
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"--prefix=#{prefix}",
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"--sysconfdir=#{etc}"
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system "make", "install"
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inreplace man8/"sshguard.8", "%PREFIX%/etc/", "#{etc}/"
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cp "examples/sshguard.conf.sample", "examples/sshguard.conf"
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inreplace "examples/sshguard.conf" do |s|
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s.gsub! /^#BACKEND=.*$/, "BACKEND=\"#{opt_libexec}/sshg-fw-#{firewall}\""
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if MacOS.version >= :sierra
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s.gsub! %r{^#LOGREADER="/usr/bin/log}, "LOGREADER=\"/usr/bin/log"
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s.gsub! %q{\"sshd\")'"}, %q{"sshd")'"}
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else
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s.gsub! /^#FILES.*$/, "FILES=#{log_path}"
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end
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end
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etc.install "examples/sshguard.conf"
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end
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def firewall
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(MacOS.version >= :lion) ? "pf" : "ipfw"
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end
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def log_path
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(MacOS.version >= :lion) ? "/var/log/system.log" : "/var/log/secure.log"
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end
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def caveats
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if MacOS.version >= :lion then <<~EOS
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Add the following lines to /etc/pf.conf to block entries in the sshguard
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table (replace $ext_if with your WAN interface):
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table <sshguard> persist
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block in quick on $ext_if proto tcp from <sshguard> to any port 22 label "ssh bruteforce"
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Then run sudo pfctl -f /etc/pf.conf to reload the rules.
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EOS
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end
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end
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plist_options :startup => true
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def plist; <<~EOS
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>Label</key>
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<string>#{plist_name}</string>
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<key>KeepAlive</key>
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<true/>
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<key>ProgramArguments</key>
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<array>
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<string>#{opt_sbin}/sshguard</string>
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</array>
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<key>RunAtLoad</key>
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<true/>
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</dict>
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</plist>
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EOS
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end
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test do
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require "pty"
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PTY.spawn(sbin/"sshguard", "-v") do |r, _w, pid|
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begin
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assert_equal "SSHGuard #{version}", r.read.strip
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ensure
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Process.wait pid
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end
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end
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end
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end
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