--- /dev/null
+/* -*- mode:C; c-file-style: "bsd" -*- */
+/*
+ * Copyright (c) 2009, Tollef Fog Heen <tfheen@err.no>
+ * Copyright (c) 2008, 2009, Yubico AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <libusb.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "ykcore.h"
+#include "ykdef.h"
+#include "ykcore_backend.h"
+
+#define HID_GET_REPORT 0x01
+#define HID_SET_REPORT 0x09
+
+static int ykl_errno;
+
+/*************************************************************************
+ ** function _ykusb_write **
+ ** Set HID report **
+ ** **
+ ** int _ykusb_write(YUBIKEY *yk, int report_type, int report_number, **
+ ** char *buffer, int size) **
+ ** **
+ ** Where: **
+ ** "yk" is handle to open Yubikey **
+ ** "report_type" is HID report type (in, out or feature) **
+ ** "report_number" is report identifier **
+ ** "buffer" is pointer to in buffer **
+ ** "size" is size of the buffer **
+ ** **
+ ** Returns: Nonzero if successful, zero otherwise **
+ ** **
+ *************************************************************************/
+
+int _ykusb_write(void *dev, int report_type, int report_number,
+ char *buffer, int size)
+{
+ ykl_errno = libusb_claim_interface((libusb_device_handle *)dev, 0);
+
+ if (ykl_errno == 0) {
+ int rc2;
+ ykl_errno = libusb_control_transfer((libusb_device_handle *)dev,
+ LIBUSB_REQUEST_TYPE_CLASS |
+ LIBUSB_RECIPIENT_INTERFACE |
+ LIBUSB_ENDPOINT_OUT,
+ HID_SET_REPORT,
+ report_type << 8 | report_number, 0,
+ buffer, size,
+ 1000);
+ /* preserve a control message error over an interface
+ release one */
+ rc2 = libusb_release_interface((libusb_device_handle *)dev, 0);
+ if (ykl_errno > 0 && rc2 < 0)
+ ykl_errno = rc2;
+ }
+ if (ykl_errno > 0)
+ return 1;
+ yk_errno = YK_EUSBERR;
+ return 0;
+}
+
+/*************************************************************************
+** function _ykusb_read **
+** Get HID report **
+** **
+** int _ykusb_read(YUBIKEY *dev, int report_type, int report_number, **
+** char *buffer, int size) **
+** **
+** Where: **
+** "dev" is handle to open Yubikey **
+** "report_type" is HID report type (in, out or feature) **
+** "report_number" is report identifier **
+** "buffer" is pointer to in buffer **
+** "size" is size of the buffer **
+** **
+** Returns: Number of bytes read. Zero if failure **
+** **
+*************************************************************************/
+
+int _ykusb_read(void *dev, int report_type, int report_number,
+ char *buffer, int size)
+{
+ ykl_errno = libusb_claim_interface((libusb_device_handle *)dev, 0);
+
+ if (ykl_errno == 0) {
+ int rc2;
+ ykl_errno = libusb_control_transfer((libusb_device_handle *)dev,
+ LIBUSB_REQUEST_TYPE_CLASS |
+ LIBUSB_RECIPIENT_INTERFACE |
+ LIBUSB_ENDPOINT_IN,
+ HID_GET_REPORT,
+ report_type << 8 | report_number, 0,
+ buffer, size,
+ 1000);
+ /* preserve a control message error over an interface
+ release one */
+ rc2 = libusb_release_interface((libusb_device_handle *)dev, 0);
+ if (ykl_errno > 0 && rc2 < 0)
+ ykl_errno = rc2;
+ }
+ if (ykl_errno > 0)
+ return ykl_errno;
+ yk_errno = YK_EUSBERR;
+ return 0;
+}
+
+int _ykusb_start(void)
+{
+ int rc;
+ libusb_init(NULL);
+ return 1;
+}
+
+extern int _ykusb_stop(void)
+{
+ libusb_exit(NULL);
+ return 1;
+}
+
+void *_ykusb_open_device(int vendor_id, int product_id)
+{
+ libusb_device *dev;
+ libusb_device_handle *h = NULL;
+ struct libusb_device_descriptor desc;
+ libusb_device **list;
+ size_t cnt = libusb_get_device_list(NULL, &list);
+ size_t i = 0;
+ int rc = YK_ENOKEY;
+
+ for (i = 0; i < cnt; i++) {
+ dev = list[i];
+ ykl_errno = libusb_get_device_descriptor(dev, &desc);
+ if (ykl_errno != 0)
+ goto done;
+
+ if (desc.idVendor == YUBICO_VID && desc.idProduct == YUBIKEY_PID) {
+ rc = YK_EUSBERR;
+ ykl_errno = libusb_open(dev, &h);
+ if (ykl_errno != 0)
+ goto done;
+ ykl_errno = libusb_detach_kernel_driver(h, 0);
+ goto done;
+ }
+ }
+ done:
+ libusb_free_device_list(list, 1);
+ if (h == NULL)
+ yk_errno = rc;
+ return h;
+}
+
+int _ykusb_close_device(void *yk)
+{
+ libusb_attach_kernel_driver(yk, 0);
+ libusb_close((libusb_device_handle *) yk);
+ return 1;
+}
+
+const char *_ykusb_strerror()
+{
+ static char buf[512];
+ snprintf(buf, sizeof(buf), "%s %d", "NOT IMPLEMENTED", ykl_errno);
+ return buf;
+}
projects / yubikey-personalization.old / commitdiff