--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uicc/hlread.c	Fri Feb 12 04:34:53 2021 +0000
@@ -0,0 +1,36 @@
+/*
+ * This module implements some high-level or user-friendly read commands.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include "simresp.h"
+#include "file_id.h"
+
+cmd_iccid()
+{
+	int rc;
+	unsigned len;
+	char buf[21];
+
+	rc = select_op(FILEID_MF);
+	if (rc < 0)
+		return(rc);
+	rc = select_op(EF_ICCID);
+	if (rc < 0)
+		return(rc);
+	rc = select_resp_get_transparent(&len);
+	if (rc < 0)
+		return(rc);
+	if (len != 10) {
+		fprintf(stderr, "error: expected transparent EF of 10 bytes\n");
+		return(-1);
+	}
+	rc = readbin_op(0, 10);
+	if (rc < 0)
+		return(rc);
+	decode_reversed_nibbles(sim_resp_data, 10, buf);
+	buf[20] = '\0';
+	printf("%s\n", buf);
+	return(0);
+}