homebrew-core/Formula/sshguard.rb

81 lines
2.5 KiB
Ruby

class Sshguard < Formula
desc "Protect from brute force attacks against SSH"
homepage "https://www.sshguard.net/"
url "https://downloads.sourceforge.net/project/sshguard/sshguard/2.0.0/sshguard-2.0.0.tar.gz"
sha256 "e87c6c4a6dddf06f440ea76464eb6197869c0293f0a60ffa51f8a6a0d7b0cb06"
revision 1
version_scheme 1
bottle do
cellar :any_skip_relocation
sha256 "8a0e7842c9f1fc96dd135086b653b1fefe45353cbf630fb560f8852ea6aa91a0" => :sierra
sha256 "00091e528d72236eaa0f71a384f6ddd006349e36f9e3ac46b3bd2cf57941faeb" => :el_capitan
sha256 "280351ac89ad14d0b1aa589779d60c024bb1821d08571044a689c6aae39193d4" => :yosemite
end
def install
system "./configure", "--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{prefix}",
"--sysconfdir=#{etc}"
system "make", "install"
cp "examples/sshguard.conf.sample", "examples/sshguard.conf"
inreplace "examples/sshguard.conf" do |s|
s.gsub! /^#BACKEND=.*$/, "BACKEND=\"#{libexec}/sshg-fw-#{firewall}\""
if MacOS.version >= :sierra
s.gsub! %r{^#LOGREADER="/usr/bin/log}, "LOGREADER=\"/usr/bin/log"
else
s.gsub! /^#FILES.*$/, "FILES=#{log_path}"
end
end
etc.install "examples/sshguard.conf"
end
def firewall
(MacOS.version >= :lion) ? "pf" : "ipfw"
end
def log_path
(MacOS.version >= :lion) ? "/var/log/system.log" : "/var/log/secure.log"
end
def caveats
if MacOS.version >= :lion then <<-EOS.undent
Add the following lines to /etc/pf.conf to block entries in the sshguard
table (replace $ext_if with your WAN interface):
table <sshguard> persist
block in quick on $ext_if proto tcp from <sshguard> to any port 22 label "ssh bruteforce"
Then run sudo pfctl -f /etc/pf.conf to reload the rules.
EOS
end
end
plist_options :startup => true
def plist; <<-EOS.undent
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>#{plist_name}</string>
<key>KeepAlive</key>
<true/>
<key>ProgramArguments</key>
<array>
<string>#{opt_sbin}/sshguard</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
EOS
end
test do
assert_match "SSHGuard #{version}", shell_output("#{sbin}/sshguard -v 2>&1")
end
end