# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1611513971 0
# Node ID 226b231d00f389485423118ce05f9ac0a7bb395f
# Parent  53e2c00566afefd836a2caac439b5f0e8fb4e0ba
fc-simtool: readrec command implemented

diff -r 53e2c00566af -r 226b231d00f3 simtool/dispatch.c
--- a/simtool/dispatch.c	Sun Jan 24 18:18:04 2021 +0000
+++ b/simtool/dispatch.c	Sun Jan 24 18:46:11 2021 +0000
@@ -13,6 +13,7 @@
 #include "globals.h"
 
 extern int cmd_readbin();
+extern int cmd_readrec();
 extern int cmd_select();
 
 extern int display_sim_resp_in_hex();
@@ -33,6 +34,7 @@
 	{"exit", 0, 0, cmd_exit},
 	{"quit", 0, 0, cmd_exit},
 	{"readbin", 2, 2, cmd_readbin},
+	{"readrec", 1, 2, cmd_readrec},
 	{"select", 1, 1, cmd_select},
 	{"sim-resp", 0, 0, display_sim_resp_in_hex},
 	{0, 0, 0, 0}
diff -r 53e2c00566af -r 226b231d00f3 simtool/readcmd.c
--- a/simtool/readcmd.c	Sun Jan 24 18:18:04 2021 +0000
+++ b/simtool/readcmd.c	Sun Jan 24 18:46:11 2021 +0000
@@ -45,3 +45,55 @@
 	display_sim_resp_in_hex();
 	return(0);
 }
+
+cmd_readrec(argc, argv)
+	char **argv;
+{
+	unsigned recno, len;
+	u_char cmd[5];
+	int rc;
+
+	recno = strtoul(argv[1], 0, 0);
+	if (recno < 1 || recno > 255) {
+		fprintf(stderr,
+			"error: record number argument is out of range\n");
+		return(-1);
+	}
+	if (argv[2]) {
+		len = strtoul(argv[2], 0, 0);
+		if (len < 1 || len > 255) {
+			fprintf(stderr,
+				"error: length argument is out of range\n");
+			return(-1);
+		}
+	} else {
+		if (!curfile_record_len) {
+			fprintf(stderr,
+			"error: no current file record length is available\n");
+			return(-1);
+		}
+		len = curfile_record_len;
+	}
+	/* READ RECORD command APDU */
+	cmd[0] = 0xA0;
+	cmd[1] = 0xB2;
+	cmd[2] = recno;
+	cmd[3] = 0x04;
+	cmd[4] = len;
+	rc = apdu_exchange(cmd, 5);
+	if (rc < 0)
+		return(rc);
+	if (sim_resp_sw != 0x9000) {
+		fprintf(stderr, "bad SW response to READ RECORD: %04X\n",
+			sim_resp_sw);
+		return(-1);
+	}
+	if (sim_resp_data_len != len) {
+		fprintf(stderr,
+			"error: READ RECORD returned %u bytes, expected %u\n",
+			sim_resp_data_len, len);
+		return(-1);
+	}
+	display_sim_resp_in_hex();
+	return(0);
+}