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changeset 79:b0982c0cf54d

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EF select logic: detect invalid record count > 255
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 Feb 2021 05:21:34 +0000
parents 702c2c40e51a
children 54cebab70c19
files simtool/select.c
diffstat 1 files changed, 5 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/simtool/select.c	Wed Feb 17 05:07:54 2021 +0000
+++ b/simtool/select.c	Wed Feb 17 05:21:34 2021 +0000
@@ -212,6 +212,11 @@
 			return(-1);
 		}
 		curfile_record_count = curfile_total_size / curfile_record_len;
+		if (curfile_record_count > 255) {
+			fprintf(stderr,
+			"error: EF record count exceeds protocol limit\n");
+			return(-1);
+		}
 		break;
 	default:
 		fprintf(stderr, "error: unknown EF structure code %02X\n",