--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uicc/telsum.c	Thu Feb 04 02:55:31 2021 +0000
@@ -0,0 +1,77 @@
+/*
+ * This module implements the telecom-sum (summary info) command.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "file_id.h"
+
+static
+do_phonebook_file(file_id, book_name)
+	unsigned file_id;
+	char *book_name;
+{
+	unsigned record_len, record_count;
+	int rc;
+
+	rc = select_op(file_id);
+	if (rc < 0) {
+		printf("%s not present\n", book_name);
+		return(rc);
+	}
+	rc = select_resp_get_linear_fixed(&record_len, &record_count);
+	if (rc < 0) {
+		fprintf(stderr, "error occurred on SELECT of EF_%s\n",
+			book_name);
+		return(rc);
+	}
+	if (record_len < 14) {
+		fprintf(stderr,
+	"error: EF_%s has record length of %u bytes, less than minimum 14\n",
+			book_name, record_len);
+		return(-1);
+	}
+	printf("%s has %u entries, %u bytes of alpha tag\n", book_name,
+		record_count, record_len - 14);
+	return(0);
+}
+
+static
+do_sms_store()
+{
+	unsigned record_len, record_count;
+	int rc;
+
+	rc = select_op(EF_SMS);
+	if (rc < 0) {
+		printf("EF_SMS not present\n");
+		return(rc);
+	}
+	rc = select_resp_get_linear_fixed(&record_len, &record_count);
+	if (rc < 0) {
+		fprintf(stderr, "error occurred on SELECT of EF_SMS\n");
+		return(rc);
+	}
+	if (record_len != 176) {
+		fprintf(stderr,
+		"error: EF_SMS is not linear fixed with 176-byte records\n");
+		return(-1);
+	}
+	printf("SMS store has %u entries\n", record_count);
+	return(0);
+}
+
+cmd_telecom_sum()
+{
+	int rc;
+
+	rc = select_op(DF_TELECOM);
+	if (rc < 0)
+		return(rc);
+	do_phonebook_file(EF_ADN, "ADN");
+	do_phonebook_file(EF_FDN, "FDN");
+	do_phonebook_file(EF_SDN, "SDN");
+	do_phonebook_file(EF_MSISDN, "MSISDN");
+	do_sms_store();
+	return(0);
+}