# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1615682715 0
# Node ID f4479a0d4ceabe8fdbb9498d7e716bb55cf466d1

fc-pcsc-list ported over

diff -r 000000000000 -r f4479a0d4cea .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Sun Mar 14 00:45:15 2021 +0000
@@ -0,0 +1,5 @@
+syntax: regexp
+
+\.[oa]$
+
+^pcsc/fc-pcsc-list$
diff -r 000000000000 -r f4479a0d4cea pcsc/Makefile
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pcsc/Makefile	Sun Mar 14 00:45:15 2021 +0000
@@ -0,0 +1,21 @@
+CC=	gcc
+CFLAGS=	-O2 -I/usr/include/PCSC
+PROGS=	fc-pcsc-list
+
+INSTALL_PREFIX=	/opt/freecalypso
+
+INSTBIN=${INSTALL_PREFIX}/bin
+
+LIST_OBJS=	context.o rdlist.o
+
+all:	${PROGS}
+
+fc-pcsc-list:	${LIST_OBJS}
+	${CC} ${CFLAGS} -o $@ ${LIST_OBJS} -lpcsclite
+
+install:
+	mkdir -p ${INSTBIN}
+	install -c ${PROGS} ${INSTBIN}
+
+clean:
+	rm -f ${PROGS} *.o
diff -r 000000000000 -r f4479a0d4cea pcsc/context.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pcsc/context.c	Sun Mar 14 00:45:15 2021 +0000
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <pcsclite.h>
+#include <winscard.h>
+
+SCARDCONTEXT hContext;
+char *reader_list;
+
+setup_pcsc_context()
+{
+	LONG rv;
+
+	rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
+	if (rv != SCARD_S_SUCCESS) {
+		fprintf(stderr, "SCardEstablishContext: %s\n",
+			pcsc_stringify_error(rv));
+		exit(1);
+	}
+	return(0);
+}
+
+get_reader_list()
+{
+	LONG rv;
+	DWORD dwReaders;
+
+	rv = SCardListReaders(hContext, NULL, NULL, &dwReaders);
+	if (rv != SCARD_S_SUCCESS) {
+		fprintf(stderr, "SCardListReaders 1st call: %s\n",
+			pcsc_stringify_error(rv));
+		SCardReleaseContext(hContext);
+		exit(1);
+	}
+	if (dwReaders < 1) {
+		fprintf(stderr,
+	"error: dwReaders returned by SCardListReaders() is less than 1\n");
+		SCardReleaseContext(hContext);
+		exit(1);
+	}
+	reader_list = malloc(dwReaders);
+	if (!reader_list) {
+		perror("malloc for readers list");
+		SCardReleaseContext(hContext);
+		exit(1);
+	}
+	reader_list[0] = '\0';
+	rv = SCardListReaders(hContext, NULL, reader_list, &dwReaders);
+	if (rv != SCARD_S_SUCCESS) {
+		fprintf(stderr, "SCardListReaders 2nd call: %s\n",
+			pcsc_stringify_error(rv));
+		SCardReleaseContext(hContext);
+		exit(1);
+	}
+	return(0);
+}
diff -r 000000000000 -r f4479a0d4cea pcsc/rdlist.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pcsc/rdlist.c	Sun Mar 14 00:45:15 2021 +0000
@@ -0,0 +1,25 @@
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pcsclite.h>
+#include <winscard.h>
+
+extern SCARDCONTEXT hContext;
+extern char *reader_list;
+
+main(argc, argv)
+	char **argv;
+{
+	char *cp;
+	unsigned num;
+
+	setup_pcsc_context();
+	get_reader_list();
+	for (cp = reader_list, num = 0; *cp; num++) {
+		printf("#%u: %s\n", num, cp);
+		cp += strlen(cp) + 1;
+	}
+	SCardReleaseContext(hContext);
+	exit(0);
+}