141 lines
4.9 KiB
Ruby
141 lines
4.9 KiB
Ruby
class DnscryptProxy < Formula
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desc "Secure communications between a client and a DNS resolver"
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homepage "https://dnscrypt.org"
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url "https://github.com/jedisct1/dnscrypt-proxy/releases/download/1.6.1/dnscrypt-proxy-1.6.1.tar.bz2"
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mirror "https://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-proxy-1.6.1.tar.bz2"
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sha256 "895ac36f5d4898dabf0ed65e0a579d0aa4d9a9be9cca4dca7b573a0ff170919a"
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bottle do
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sha256 "c089de06f984630d2300f898688dec2a514d072508ff23070ae15d1fde1eca99" => :el_capitan
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sha256 "2b1f3f19d36ad59322979b673cb9a4f7a79c01601dfb2748884ee92148cccc0b" => :yosemite
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sha256 "5542541954544fec6589553bfcb0c6dd6a35b3878874994364361f393ad5246d" => :mavericks
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end
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head do
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url "https://github.com/jedisct1/dnscrypt-proxy.git"
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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depends_on "libtool" => :build
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end
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option "with-plugins", "Support plugins and install example plugins."
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deprecated_option "plugins" => "with-plugins"
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depends_on "libsodium"
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depends_on "minisign" => :recommended
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def install
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system "autoreconf", "-if" if build.head?
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args = %W[--disable-dependency-tracking --prefix=#{prefix}]
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if build.with? "plugins"
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args << "--enable-plugins"
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args << "--enable-relaxed-plugins-permissions"
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args << "--enable-plugins-root"
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end
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system "./configure", *args
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system "make", "install"
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if build.with? "minisign"
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(bin/"dnscrypt-update-resolvers").write <<-EOS.undent
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#!/bin/sh
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RESOLVERS_UPDATES_BASE_URL=https://download.dnscrypt.org/dnscrypt-proxy
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RESOLVERS_LIST_BASE_DIR=#{pkgshare}
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RESOLVERS_LIST_PUBLIC_KEY="RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3"
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curl -L --max-redirs 5 -4 -m 30 --connect-timeout 30 -s \
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"${RESOLVERS_UPDATES_BASE_URL}/dnscrypt-resolvers.csv" > \
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"${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv.tmp" && \
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curl -L --max-redirs 5 -4 -m 30 --connect-timeout 30 -s \
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"${RESOLVERS_UPDATES_BASE_URL}/dnscrypt-resolvers.csv.minisig" > \
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"${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv.minisig" && \
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minisign -Vm ${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv.tmp \
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-x "${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv.minisig" \
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-P "$RESOLVERS_LIST_PUBLIC_KEY" -q && \
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mv -f ${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv.tmp \
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${RESOLVERS_LIST_BASE_DIR}/dnscrypt-resolvers.csv
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EOS
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chmod 0775, bin/"dnscrypt-update-resolvers"
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end
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end
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def post_install
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return if build.without? "minisign"
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system bin/"dnscrypt-update-resolvers"
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end
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def caveats
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s = <<-EOS.undent
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After starting dnscrypt-proxy, you will need to point your
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local DNS server to 127.0.0.1. You can do this by going to
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System Preferences > "Network" and clicking the "Advanced..."
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button for your interface. You will see a "DNS" tab where you
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can click "+" and enter 127.0.0.1 in the "DNS Servers" section.
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By default, dnscrypt-proxy runs on localhost (127.0.0.1), port 53,
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and under the "nobody" user using the dnscrypt.eu-dk DNSCrypt-enabled
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resolver. If you would like to change these settings, you will have to edit
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the plist file (e.g., --resolver-address, --provider-name, --provider-key, etc.)
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To check that dnscrypt-proxy is working correctly, open Terminal and enter the
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following command. Replace en1 with whatever network interface you're using:
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sudo tcpdump -i en1 -vvv 'port 443'
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You should see a line in the result that looks like this:
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resolver2.dnscrypt.eu.https
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EOS
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if build.with? "minisign"
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s += <<-EOS.undent
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If at some point the resolver file gets outdated, it can be updated to the
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latest version by running: #{opt_bin}/dnscrypt-update-resolvers
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EOS
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end
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s
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end
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plist_options :startup => true
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def plist; <<-EOS.undent
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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>RunAtLoad</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}/dnscrypt-proxy</string>
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<string>--ephemeral-keys</string>
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<string>--resolvers-list=#{opt_pkgshare}/dnscrypt-resolvers.csv</string>
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<string>--resolver-name=dnscrypt.eu-dk</string>
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<string>--user=nobody</string>
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</array>
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<key>UserName</key>
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<string>root</string>
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<key>StandardErrorPath</key>
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<string>/dev/null</string>
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<key>StandardOutPath</key>
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<string>/dev/null</string>
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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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system "#{sbin}/dnscrypt-proxy", "--version"
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end
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end
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