mirror of
https://github.com/vidarh/ruby-x11
synced 2024-12-29 10:25:05 +01:00
62 lines
1.9 KiB
Ruby
62 lines
1.9 KiB
Ruby
module X11
|
|
class Display
|
|
|
|
# Open a connection to the specified display (numbered from 0) on the specified host
|
|
def initialize(target = ENV['DISPLAY'])
|
|
target =~ /^([\w.-]*):(\d+)(?:.(\d+))?$/
|
|
host, display_id, screen_id = $1, $2, $3
|
|
family = nil
|
|
|
|
if host.empty?
|
|
@socket = UNIXSocket.new("/tmp/.X11-unix/X#{display_id}")
|
|
family = :Local
|
|
host = nil
|
|
else
|
|
@socket = TCPSocket.new(host,6000+display_id)
|
|
family = :Internet
|
|
end
|
|
|
|
authorize(host, family, display_id)
|
|
end
|
|
|
|
private
|
|
|
|
# authorization packet sent to X11 server:
|
|
# [:proto_major, Uint16],
|
|
# [:proto_minor, Uint16],
|
|
# [:auth_proto_name, Uint16, :length],
|
|
# [:auth_proto_data, Uint16, :length],
|
|
# [:auth_proto_name, String8],
|
|
# [:auth_proto_data, String8]
|
|
def authorize(host, family, display_id)
|
|
auth_info = Auth.new.get_by_hostname(host||"localhost", family, display_id)
|
|
auth_name, auth_data = auth_info.address, auth_info.auth_data
|
|
puts auth_name
|
|
puts auth_data
|
|
|
|
@socket.write([
|
|
Protocol::BYTE_ORDER,
|
|
Protocol::MAJOR,
|
|
Protocol::MINOR,
|
|
auth_name.length,
|
|
auth_data.length,
|
|
X11::pad(auth_name),
|
|
X11::pad(auth_data)
|
|
].pack("A2 SS SS xx") + X11::pad(auth_name) + X11::pad(auth_data))
|
|
|
|
case @socket.read(1).unpack("w").first
|
|
when X11::Auth::FAILED
|
|
len, major, minor, xlen = @socket.read(7).unpack("CSSS")
|
|
reason = @socket.read(xlen * 4)
|
|
reason = reason[0..len]
|
|
raise "Connection to server failed -- (version #{major}.#{minor}) #{reason}"
|
|
when X11::Auth::AUTHENTICATE
|
|
raise "Connection requires authentication"
|
|
when X11::Auth::SUCCESS
|
|
raise "fix me"
|
|
else
|
|
raise "received unknown opcode #{type}"
|
|
end
|
|
end
|
|
end
|
|
end
|