--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simtool/stktest.c	Sun Mar 14 07:11:25 2021 +0000
@@ -0,0 +1,81 @@
+/*
+ * This module implements some commands for testing SIM Toolkit functionality,
+ * just enough to be able to simulate SMS-PP SIM data download operations.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "simresp.h"
+
+cmd_terminal_profile(argc, argv)
+	char **argv;
+{
+	u_char cmd[260];
+	int rc;
+	unsigned len;
+
+	rc = decode_hex_data_from_string(argv[1], cmd + 5, 1, 255);
+	if (rc < 0)
+		return(rc);
+	len = rc;
+	/* TERMINAL PROFILE command APDU */
+	cmd[0] = 0xA0;
+	cmd[1] = 0x10;
+	cmd[2] = 0;
+	cmd[3] = 0;
+	cmd[4] = len;
+	rc = apdu_exchange(cmd, len + 5);
+	if (rc < 0)
+		return(rc);
+	printf("%04X\n", sim_resp_sw);
+	return(0);
+}
+
+cmd_envelope(argc, argv)
+	char **argv;
+{
+	u_char cmd[260];
+	int rc;
+	unsigned len;
+
+	rc = read_hex_data_file(argv[1], cmd + 5, 255);
+	if (rc < 0)
+		return(rc);
+	len = rc;
+	/* ENVELOPE command APDU */
+	cmd[0] = 0xA0;
+	cmd[1] = 0xC2;
+	cmd[2] = 0;
+	cmd[3] = 0;
+	cmd[4] = len;
+	rc = apdu_exchange(cmd, len + 5);
+	if (rc < 0)
+		return(rc);
+	printf("%04X\n", sim_resp_sw);
+	return(0);
+}
+
+cmd_envelope_imm(argc, argv)
+	char **argv;
+{
+	u_char cmd[260];
+	int rc;
+	unsigned len;
+
+	rc = decode_hex_data_from_string(argv[1], cmd + 5, 1, 255);
+	if (rc < 0)
+		return(rc);
+	len = rc;
+	/* ENVELOPE command APDU */
+	cmd[0] = 0xA0;
+	cmd[1] = 0xC2;
+	cmd[2] = 0;
+	cmd[3] = 0;
+	cmd[4] = len;
+	rc = apdu_exchange(cmd, len + 5);
+	if (rc < 0)
+		return(rc);
+	printf("%04X\n", sim_resp_sw);
+	return(0);
+}