changeset 88:91486a77643e

fc-simtool: implement hex display of full SIM responses
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 05:09:48 +0000
parents 2a0d1d5b9313
children fb75855a74a9
files simtool/Makefile simtool/dispatch.c simtool/hexdump.c
diffstat 3 files changed, 44 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/simtool/Makefile	Sun Jan 24 03:43:01 2021 +0000
+++ b/simtool/Makefile	Sun Jan 24 05:09:48 2021 +0000
@@ -1,7 +1,8 @@
 CC=	gcc
 CFLAGS=	-O2 -I/usr/include/PCSC
 PROG=	fc-simtool
-OBJS=	apdu.o atr.o cardconnect.o dispatch.o globals.o main.o names.o select.o
+OBJS=	apdu.o atr.o cardconnect.o dispatch.o globals.o hexdump.o main.o \
+	names.o select.o
 
 all:	${PROG}
 
--- a/simtool/dispatch.c	Sun Jan 24 03:43:01 2021 +0000
+++ b/simtool/dispatch.c	Sun Jan 24 05:09:48 2021 +0000
@@ -14,6 +14,8 @@
 
 extern int cmd_select();
 
+extern int display_sim_resp_in_hex();
+
 cmd_exit()
 {
 	SCardDisconnect(hCard, SCARD_UNPOWER_CARD);
@@ -30,6 +32,7 @@
 	{"exit", 0, 0, cmd_exit},
 	{"quit", 0, 0, cmd_exit},
 	{"select", 1, 1, cmd_select},
+	{"sim-resp", 0, 0, display_sim_resp_in_hex},
 	{0, 0, 0, 0}
 };
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simtool/hexdump.c	Sun Jan 24 05:09:48 2021 +0000
@@ -0,0 +1,39 @@
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pcsclite.h>
+#include <winscard.h>
+#include "globals.h"
+
+display_sim_resp_in_hex()
+{
+	unsigned off, cc, n, c;
+
+	for (off = 0; off < sim_resp_data_len; off += cc) {
+		printf("%02X:", off);
+		cc = 16;
+		if (sim_resp_data_len - off < cc)
+			cc = sim_resp_data_len - off;
+		for (n = 0; n < 16; n++) {
+			if (n == 0 || n == 8)
+				putchar(' ');
+			putchar(' ');
+			if (n < cc)
+				printf("%02X", sim_resp_data[off + n]);
+			else {
+				putchar(' ');
+				putchar(' ');
+			}
+		}
+		putchar(' ');
+		putchar(' ');
+		for (n = 0; n < cc; n++) {
+			c = sim_resp_data[off + n];
+			if (c < 0x20 || c > 0x7E)
+				c = '.';
+			putchar(c);
+		}
+		putchar('\n');
+	}
+	return(0);
+}