104 lines
4.8 KiB
Ruby
104 lines
4.8 KiB
Ruby
class Termshark < Formula
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desc "Terminal UI for tshark, inspired by Wireshark"
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homepage "https://termshark.io"
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url "https://github.com/gcla/termshark/archive/v2.4.0.tar.gz"
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sha256 "949c71866fcd2f9ed71a754ea9e3d1bdc23dee85969dcdc78180f1d18ca8b087"
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license "MIT"
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bottle do
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sha256 cellar: :any_skip_relocation, arm64_ventura: "11cf99e534c667d968ea4daff6c3baf9a86345a6823627ad722398e5c5daeedd"
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sha256 cellar: :any_skip_relocation, arm64_monterey: "37948c9f61f945ad6044eb03753da35bf735a2ef0599c21ee957c24c6549e670"
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sha256 cellar: :any_skip_relocation, arm64_big_sur: "d95e25d67a299e15d5e9c861c5f1b99b98a58802ba78ec847d1801f6f1ef1432"
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sha256 cellar: :any_skip_relocation, monterey: "b22556c8b7777479e5a36c5c8abb9fbcff1e2774feb96383533ece79da6a5a6d"
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sha256 cellar: :any_skip_relocation, big_sur: "8b19aa1bd9d176bb52410f2751fd3877e22a8d4ba21ee7cccd93d08ef32c8653"
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sha256 cellar: :any_skip_relocation, catalina: "ce2586a94ccbc846b9d825e48dfec76e3aec711315564b01db2d87d9643a03b8"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "69ee110ad437376b219f4aaa960818850be8e28868c8a0dc3ceff715849c8b1f"
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end
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depends_on "go" => :build
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depends_on "socat" => :test
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depends_on "wireshark"
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def install
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# Don't set GOPATH because we want to build using go modules to
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# ensure our dependencies are the ones specified in go.mod.
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mkdir_p buildpath
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ln_sf buildpath, buildpath/"termshark"
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cd "termshark" do
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system "go", "build", "-o", bin/"termshark",
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"cmd/termshark/termshark.go"
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end
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end
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test do
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assert_match "termshark v#{version}",
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shell_output("#{bin}/termshark -v --pass-thru=false")
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# Build a test pcap programmatically. Termshark will read this
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# from a temp file.
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packet = []
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packet += [0xd4, 0xc3, 0xb2, 0xa1, 0x02, 0x00, 0x04, 0x00]
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packet += [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
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packet += [0x00, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00]
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packet += [0xf3, 0x2a, 0x39, 0x52, 0x00, 0x00, 0x00, 0x00]
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packet += [0x4d, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x00, 0x00]
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packet += [0x10, 0x40, 0x00, 0x20, 0x35, 0x01, 0x2b, 0x59]
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packet += [0x00, 0x06, 0x29, 0x17, 0x93, 0xf8, 0xaa, 0xaa]
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packet += [0x03, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00]
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packet += [0x00, 0x37, 0xf9, 0x39, 0x00, 0x00, 0x40, 0x11]
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packet += [0xa6, 0xdb, 0xc0, 0xa8, 0x2c, 0x7b, 0xc0, 0xa8]
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packet += [0x2c, 0xd5, 0xf9, 0x39, 0x00, 0x45, 0x00, 0x23]
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packet += [0x8d, 0x73, 0x00, 0x01, 0x43, 0x3a, 0x5c, 0x49]
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packet += [0x42, 0x4d, 0x54, 0x43, 0x50, 0x49, 0x50, 0x5c]
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packet += [0x6c, 0x63, 0x63, 0x6d, 0x2e, 0x31, 0x00, 0x6f]
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packet += [0x63, 0x74, 0x65, 0x74, 0x00, 0xf3, 0x2a, 0x39]
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packet += [0x52, 0x00, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x00]
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packet += [0x00, 0x4d, 0x00, 0x00, 0x00, 0x10, 0x40, 0x00]
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packet += [0x20, 0x35, 0x01, 0x2b, 0x59, 0x00, 0x06, 0x29]
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packet += [0x17, 0x93, 0xf8, 0xaa, 0xaa, 0x03, 0x00, 0x00]
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packet += [0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x37, 0xf9]
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packet += [0x39, 0x00, 0x00, 0x40, 0x11, 0xa6, 0xdb, 0xc0]
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packet += [0xa8, 0x2c, 0x7b, 0xc0, 0xa8, 0x2c, 0xd5, 0xf9]
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packet += [0x39, 0x00, 0x45, 0x00, 0x23, 0x8d, 0x73, 0x00]
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packet += [0x01, 0x43, 0x3a, 0x5c, 0x49, 0x42, 0x4d, 0x54]
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packet += [0x43, 0x50, 0x49, 0x50, 0x5c, 0x6c, 0x63, 0x63]
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packet += [0x6d, 0x2e, 0x31, 0x00, 0x6f, 0x63, 0x74, 0x65]
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packet += [0x74, 0x00]
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File.write("#{HOMEBREW_TEMP}/termshark-test.pcap", packet.pack("C*"))
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# Rely on exit code of grep - if termshark works correctly, it will
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# detect stdout is not a tty, defer to tshark and display the grepped IP.
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system [
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"#{bin}/termshark -r #{HOMEBREW_TEMP}/termshark-test.pcap",
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" | grep 192.168.44.123",
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].join
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# Pretend to be a tty and run termshark with the temporary pcap. Queue up
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# 'q' and 'enter' to terminate. Rely on the exit code of termshark, which
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# should be EXIT_SUCCESS/0. Output is piped to /dev/null to avoid
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# interfering with the outer terminal. The quit command is delayed five
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# seconds to provide ample time for termshark to load the pcap (there is
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# no external mechanism to tell when the load is complete).
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testcmds = [
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"{ sleep 5 ; echo q ; echo ; } | ",
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"socat - EXEC:'sh -c \\\"",
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"stty rows 50 cols 80 && ",
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"TERM=xterm ",
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"#{bin}/termshark -r #{HOMEBREW_TEMP}/termshark-test.pcap",
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"\\\"',pty,setsid,ctty > /dev/null",
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]
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system testcmds.join
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# "Scrape" the terminal UI for a specific IP address contained in the test
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# pcap. Since the output contains ansi terminal codes, use the -a flag to
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# grep to ensure it's not treated as binary input.
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testcmds[5] = "\\\"',pty,setsid,ctty | grep -a 192.168.44.123 > /dev/null"
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system testcmds.join
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# Clean up.
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File.delete("#{HOMEBREW_TEMP}/termshark-test.pcap")
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end
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end
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