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)
--
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Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I03fbb683e26231c75f345330ac5f914ac88bbe7a
Gerrit-Change-Number: 31715
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <[email protected]>
Gerrit-MessageType: newchange
