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require 'formula'
class Strongswan < Formula
homepage 'http://www.strongswan.org'
url 'http://download.strongswan.org/strongswan-5.1.1.tar.bz2'
sha1 'eba9c90e3e910edd18ef4f1e380e59751965258b'
option 'with-curl', 'Build with libcurl based fetcher'
option 'with-suite-b', 'Build with Suite B support (does not use the IPsec implementation provided by the kernel)'
depends_on 'openssl' if build.include? 'with-suite-b' or MacOS.version <= :leopard
depends_on 'curl' => :optional
def install
args = %W[
--disable-dependency-tracking
--prefix=#{prefix}
--sbindir=#{bin}
--sysconfdir=#{etc}
--disable-defaults
--enable-charon
--enable-cmd
--enable-constraints
--enable-eap-identity
--enable-eap-md5
--enable-eap-gtc
--enable-eap-mschapv2
--enable-ikev1
--enable-ikev2
--enable-kernel-pfroute
--enable-nonce
--enable-openssl
--enable-osx-attr
--enable-pem
--enable-pgp
--enable-pkcs1
--enable-pkcs8
--enable-pubkey
--enable-revocation
--enable-socket-default
--enable-sshkey
--enable-stroke
--enable-tools
--enable-updown
--enable-unity
--enable-xauth-generic
]
args << "--enable-curl" if build.with? 'curl'
args << "--enable-kernel-pfkey" unless build.with? 'suite-b'
args << "--enable-kernel-libipsec" if build.with? 'suite-b'
system "./configure", *args
system "make", "install"
end
def caveats
msg = <<-EOS.undent
strongSwan's configuration files are placed in:
#{etc}
You will have to run both 'ipsec' and 'charon-cmd' with 'sudo'.
EOS
if build.with? 'suite-b'
msg += <<-EOS.undent
If you previously ran strongSwan without Suite B support it might be
required to execute 'sudo sysctl -w net.inet.ipsec.esp_port=0' in order
to receive packets.
EOS
end
return msg
end
end
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