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ts_102_222: Implement support for RESIZE FILE for an EF

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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
This commit is contained in:
Harald Welte
2023-03-07 11:43:37 +01:00
committed by laforge
parent da1f562294
commit 0707b80ad3
3 changed files with 32 additions and 0 deletions
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22
pySim/ts_102_222.py
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@@ -206,3 +206,25 @@ class Ts102222Commands(CommandSet):
(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('NAME', type=str, help='Name or FID of file to be resized')
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."""
f = self._cmd.lchan.get_file_for_selectable(opts.NAME)
ies = [FileIdentifier(decoded=f.fid),
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)
def complete_resize_ef(self, text, line, begidx, endidx) -> List[str]:
"""Command Line tab completion for RESIZE EF"""
index_dict = {1: self._cmd.lchan.selected_file.get_selectable_names()}
return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)