pySim-shell: Add open_channel + close_channel commands

Change-Id: I53d9d7f7720eb5f10956bff74ea7ba9fd3b3bd19

docs/shell.rst

@@ -129,6 +129,18 @@ activate_file
 ~~~~~~~~~~~~~
 Activate the currently selected file.  This used to be called REHABILITATE in TS 11.11.
 
+open_channel
+~~~~~~~~~~~~
+.. argparse::
+   :module: pySim-shell
+   :func: Iso7816Commands.open_chan_parser
+
+close_channel
+~~~~~~~~~~~~~
+.. argparse::
+   :module: pySim-shell
+   :func: Iso7816Commands.close_chan_parser
+
 
 pySim commands
 --------------

pySim-shell.py

@@ -413,6 +413,23 @@ class Iso7816Commands(CommandSet):
 		fid = self._cmd.rs.selected_file.fid
 		(data, sw) = self._cmd.card._scc.activate_file(fid)
 
+	open_chan_parser = argparse.ArgumentParser()
+	open_chan_parser.add_argument('chan_nr', type=int, default=0, help='Channel Number')
+
+	@cmd2.with_argparser(open_chan_parser)
+	def do_open_channel(self, opts):
+		"""Open a logical channel."""
+		(data, sw) = self._cmd.card._scc.manage_channel(mode='open', lchan_nr=opts.chan_nr)
+
+	close_chan_parser = argparse.ArgumentParser()
+	close_chan_parser.add_argument('chan_nr', type=int, default=0, help='Channel Number')
+
+	@cmd2.with_argparser(close_chan_parser)
+	def do_close_channel(self, opts):
+		"""Close a logical channel."""
+		(data, sw) = self._cmd.card._scc.manage_channel(mode='close', lchan_nr=opts.chan_nr)
+
+
 def parse_options():
 
 	parser = OptionParser(usage="usage: %prog [options]")

pySim/commands.py

@@ -304,6 +304,15 @@ class SimCardCommands(object):
 		"""Execute ACTIVATE FILE command as per TS 102 221 Section 11.1.15."""
 		return self._tp.send_apdu_constr_checksw(self.cla_byte, '44', '00', '00', None, None, None)
 
+	def manage_channel(self, mode='open', lchan_nr=0):
+		"""Execute MANAGE CHANNEL command as per TS 102 221 Section 11.1.17."""
+		if mode == 'close':
+			p1 = 0x80
+		else:
+			p1 = 0x00
+		pdu = self.cla_byte + '70%02x%02x00' % (p1, lchan_nr)
+		return self._tp.send_apdu_checksw(pdu)
+
 	def reset_card(self):
 		"""Physically reset the card"""
 		return self._tp.reset_card()