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contrib: Add a small command line script to generate StoreMetadataRequest

It's occasionally useful to be able to manually generate a
SGP.22 StoreMetadataRequest (tag BF25), so let's add a small utility
program doing exactly that.

Change-Id: I56ebd040f09dcd167b0b22148c2f1af56240b3b5
---
A contrib/esim_gen_metadata.py
1 file changed, 40 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/55/41455/1
diff --git a/contrib/esim_gen_metadata.py b/contrib/esim_gen_metadata.py
new file mode 100755
index 0000000..1f09274
--- /dev/null
+++ b/contrib/esim_gen_metadata.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+# (C) 2025 by Harald Welte <laforge@osmocom.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import argparse
+from osmocom.utils import h2b, swap_nibbles
+from pySim.esim.es8p import ProfileMetadata
+
+parser = argparse.ArgumentParser(description="""Utility program to generate profile metadata in the
+StoreMetadataRequest format based on input values from the command line.""")
+parser.add_argument('--iccid', required=True, help="ICCID of eSIM profile");
+parser.add_argument('--spn', required=True, help="Service Provider Name");
+parser.add_argument('--profile-name', required=True, help="eSIM Profile Name");
+parser.add_argument('--profile-class', choices=['test', 'operational', 'provisioning'],
+ default='operational', help="Profile Class");
+parser.add_argument('--outfile', required=True, help="Output File Name");
+
+if __name__ == '__main__':
+ opts = parser.parse_args()
+
+ iccid_bin = h2b(swap_nibbles(opts.iccid))
+ pmd = ProfileMetadata(iccid_bin, spn=opts.spn, profile_name=opts.profile_name,
+ profile_class=opts.profile_class)
+
+ with open(opts.outfile, 'wb') as f:
+ f.write(pmd.gen_store_metadata_request())
+ print("Written StoreMetadataRequest to '%s'" % opts.outfile)

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Gerrit-MessageType: newchange
Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I56ebd040f09dcd167b0b22148c2f1af56240b3b5
Gerrit-Change-Number: 41455
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge@osmocom.org>