laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/31715 ) Change subject: ts_102_222: Implement support for RESIZE FILE for an EF ...................................................................... ts_102_222: Implement support for RESIZE FILE for an EF This adds pySim-shell support for the RESIZE FILE command in order to change the size of linear fixed or transparent EF. Change-Id: I03fbb683e26231c75f345330ac5f914ac88bbe7a --- M docs/shell.rst M pySim/commands.py M pySim/ts_102_222.py 3 files changed, 39 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/15/31715/1 diff --git a/docs/shell.rst b/docs/shell.rst index c1f37af..9ffbac3 100644 --- a/docs/shell.rst +++ b/docs/shell.rst @@ -650,6 +650,12 @@ :module: pySim.ts_102_222 :func: Ts102222Commands.createdf_parser +resize_ef +~~~~~~~~~ +.. argparse:: + :module: pySim.ts_102_222 + :func: Ts102222Commands.resize_ef_parser + ARA-M commands -------------- diff --git a/pySim/commands.py b/pySim/commands.py index fa0458a..d123e67 100644 --- a/pySim/commands.py +++ b/pySim/commands.py @@ -457,6 +457,10 @@ """Execute CREEATE FILE command as per TS 102 222 Section 6.3""" return self._tp.send_apdu_checksw(self.cla_byte + 'e00000%02x%s' % (len(payload)//2, payload)) + def resize_file(self, payload: Hexstr): + """Execute RESIZE FILE command as per TS 102 222 Section 6.10""" + return self._tp.send_apdu_checksw('80d40000%02x%s' % (len(payload)//2, payload)) + def delete_file(self, fid): """Execute DELETE FILE command as per TS 102 222 Section 6.4""" return self._tp.send_apdu_checksw(self.cla_byte + 'e4000002' + fid) diff --git a/pySim/ts_102_222.py b/pySim/ts_102_222.py index 4843c77..c377cad 100644 --- a/pySim/ts_102_222.py +++ b/pySim/ts_102_222.py @@ -206,3 +206,20 @@ (data, sw) = self._cmd.card._scc.create_file(b2h(fcp.to_tlv())) # the newly-created file is automatically selected but our runtime state knows nothing of it self._cmd.lchan.select_file(self._cmd.lchan.selected_file) + + resize_ef_parser = argparse.ArgumentParser() + resize_ef_parser.add_argument('FILE_ID', type=str, help='File Identifier as 4-character hex string') + resize_ef_parser._action_groups.pop() + resize_ef_required = resize_ef_parser.add_argument_group('required arguments') + resize_ef_required.add_argument('--file-size', required=True, type=int, help='Size of file in octets') + + @cmd2.with_argparser(resize_ef_parser) + def do_resize_ef(self, opts): + """Resize an existing EF below the currently selected DF. Requires related privileges.""" + + ies = [FileIdentifier(decoded=opts.FILE_ID), + FileSize(decoded=opts.file_size)] + fcp = FcpTemplate(children=ies) + (data, sw) = self._cmd.card._scc.resize_file(b2h(fcp.to_tlv())) + # the resized file is automatically selected but our runtime state knows nothing of it + self._cmd.lchan.select_file(self._cmd.lchan.selected_file) -- To view, visit https://gerrit.osmocom.org/c/pysim/+/31715 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I03fbb683e26231c75f345330ac5f914ac88bbe7a Gerrit-Change-Number: 31715 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge@osmocom.org> Gerrit-MessageType: newchange