--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simtool/grcard1.c	Sun Mar 14 07:11:25 2021 +0000
@@ -0,0 +1,113 @@
+/*
+ * This module implements a few special commands for those very few
+ * incredibly lucky people on Earth who have no-longer-available
+ * sysmoSIM-GR1 cards, or any other branded variant of the same card
+ * from Grcard.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include "simresp.h"
+
+cmd_grcard1_set_pin(argc, argv)
+	char **argv;
+{
+	u_char cmd[21];
+	int rc;
+
+	/* Grcard1 proprietary command APDU */
+	cmd[0] = 0x80;
+	cmd[1] = 0xD4;
+	cmd[2] = 0x00;
+	switch (argv[0][15]) {
+	case '1':
+		cmd[3] = 0x01;
+		break;
+	case '2':
+		cmd[3] = 0x02;
+		break;
+	default:
+		fprintf(stderr, "BUG in grcard1-set-pinN command\n");
+		return(-1);
+	}
+	cmd[4] = 16;
+	rc = encode_pin_entry(argv[1], cmd + 5);
+	if (rc < 0)
+		return(rc);
+	rc = encode_pin_entry(argv[2], cmd + 13);
+	if (rc < 0)
+		return(rc);
+	rc = apdu_exchange(cmd, 21);
+	if (rc < 0)
+		return(rc);
+	if (sim_resp_sw != 0x9000) {
+		fprintf(stderr, "bad SW response: %04X\n", sim_resp_sw);
+		return(-1);
+	}
+	return(0);
+}
+
+cmd_grcard1_set_adm(argc, argv)
+	char **argv;
+{
+	u_char cmd[23];
+	int rc;
+
+	/* Grcard1 proprietary command APDU */
+	cmd[0] = 0x80;
+	cmd[1] = 0xD4;
+	cmd[2] = 0x01;
+	switch (argv[0][15]) {
+	case '1':
+		cmd[3] = 0x04;
+		break;
+	case '2':
+		cmd[3] = 0x05;
+		break;
+	default:
+		fprintf(stderr, "BUG in grcard1-set-admN command\n");
+		return(-1);
+	}
+	cmd[4] = 18;
+	cmd[5] = 0x03;
+	cmd[6] = 0x00;
+	rc = encode_pin_entry(argv[1], cmd + 7);
+	if (rc < 0)
+		return(rc);
+	rc = encode_pin_entry(argv[2], cmd + 15);
+	if (rc < 0)
+		return(rc);
+	rc = apdu_exchange(cmd, 23);
+	if (rc < 0)
+		return(rc);
+	if (sim_resp_sw != 0x9000) {
+		fprintf(stderr, "bad SW response: %04X\n", sim_resp_sw);
+		return(-1);
+	}
+	return(0);
+}
+
+cmd_grcard1_set_ki(argc, argv)
+	char **argv;
+{
+	u_char cmd[21];
+	int rc;
+
+	/* Grcard1 proprietary command APDU */
+	cmd[0] = 0x80;
+	cmd[1] = 0xD4;
+	cmd[2] = 0x02;
+	cmd[3] = 0x00;
+	cmd[4] = 16;
+	rc = decode_hex_data_from_string(argv[1], cmd + 5, 16, 16);
+	if (rc < 0)
+		return(rc);
+	rc = apdu_exchange(cmd, 21);
+	if (rc < 0)
+		return(rc);
+	if (sim_resp_sw != 0x9000) {
+		fprintf(stderr, "bad SW response: %04X\n", sim_resp_sw);
+		return(-1);
+	}
+	return(0);
+}