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-rw-r--r--option-zerocd/option-zerocd.c260
1 files changed, 0 insertions, 260 deletions
diff --git a/option-zerocd/option-zerocd.c b/option-zerocd/option-zerocd.c
deleted file mode 100644
index cc124dd..0000000
--- a/option-zerocd/option-zerocd.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- * Option Zero-CD Disabler
- *
- * Copyright (C) 2008 Dan Williams <dcbw@redhat.com>
- * Copyright (C) 2008 Peter Henn <support@option.com>
- *
- * Heavily based on the 'ozerocdoff' tool by Peter Henn.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details:
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <signal.h>
-
-#include <getopt.h>
-#include <usb.h>
-
-/* Borrowed from /usr/include/linux/usb/ch9.h */
-#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
-#define USB_ENDPOINT_XFER_BULK 2
-#define USB_ENDPOINT_DIR_MASK 0x80
-#define USB_DIR_OUT 0 /* to device */
-#define USB_DIR_IN 0x80 /* to host */
-
-int debug = 0;
-struct usb_dev_handle *handle = NULL;
-
-#define debug(fmt, args...) \
-if (debug) { \
- fprintf (stdout, "%s(): " fmt "\n", __func__, ##args); \
-}
-
-static struct usb_device *
-find_zerocd_device (int vid, int pid)
-{
- struct usb_bus *bus;
- struct usb_device *dev;
-
- for (bus = usb_get_busses(); bus; bus = bus->next) {
- for (dev = bus->devices; dev; dev = dev->next) {
- if (dev->descriptor.idVendor == vid && dev->descriptor.idProduct == pid) {
- debug ("Found possible ZeroCD device:");
- debug (" Endpoints: %d", dev->config[0].interface[0].altsetting[0].bNumEndpoints);
- debug (" Class: 0x%X", dev->config[0].interface[0].altsetting[0].bInterfaceClass);
- debug (" SubClass: 0x%X", dev->config[0].interface[0].altsetting[0].bInterfaceSubClass);
- debug (" Protocol: 0x%X", dev->config[0].interface[0].altsetting[0].bInterfaceProtocol);
-
- if ( (dev->config[0].interface[0].altsetting[0].bNumEndpoints == 2)
- && (dev->config[0].interface[0].altsetting[0].bInterfaceClass == 0x08)
- && (dev->config[0].interface[0].altsetting[0].bInterfaceSubClass == 0x06)
- && (dev->config[0].interface[0].altsetting[0].bInterfaceProtocol == 0x50) ) {
- debug ("Found ZeroCD device '%s'", dev->filename);
- return dev;
- }
- }
- }
- }
- return NULL;
-}
-
-static int
-find_endpoints (struct usb_device *dev, int *in_ep, int *out_ep)
-{
- int i;
-
- for (i = 0; i < dev->config[0].interface[0].altsetting[0].bNumEndpoints; i++) {
- struct usb_endpoint_descriptor *ep = &(dev->config[0].interface[0].altsetting[0].endpoint[i]);
-
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
- unsigned int direction = ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
-
- if (!*out_ep && (direction == USB_DIR_OUT))
- *out_ep = ep->bEndpointAddress;
- else if (!*in_ep && (direction == USB_DIR_IN))
- *in_ep = ep->bEndpointAddress;
- }
-
- if (*in_ep && *out_ep)
- return 0;
- }
-
- return -1;
-}
-
-static void
-release_usb_device (int param)
-{
- usb_release_interface (handle, 0);
- usb_close (handle);
-}
-
-static void
-print_usage (void)
-{
- printf ("Usage: option-zerocd [-hd] -p <product-id>\n"
- " -h, --help show this help message\n"
- " -v, --vendor <n> target USB vendor ID\n"
- " -p, --product <n> target USB product ID\n"
- " -d, --debug print debugging messages\n\n"
- "Examples:\n"
- " option-zerocd -v 0x0af0 -p 0xc031\n");
-}
-
-#define BUF_SIZE 256
-
-int main(int argc, char **argv)
-{
- static struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "vendor", required_argument, NULL, 'v' },
- { "product", required_argument, NULL, 'p' },
- { "debug", no_argument, NULL, 'd' },
- { NULL, 0, NULL, 0}
- };
-
- const char const rezero_cbw[] = {
- 0x55, 0x53, 0x42, 0x43, /* bulk command signature (LE) */
- 0x78, 0x56, 0x34, 0x12, /* bulk command host tag */
- 0x01, 0x00, 0x00, 0x00, /* bulk command data transfer length (LE) */
- 0x80, /* flags: direction data-in */
- 0x00, /* LUN */
- 0x06, /* SCSI command length */
- 0x01, /* SCSI command: REZERO */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* filler */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- };
-
- struct usb_device *dev;
- int vid = 0, pid = 0, bulk_in_ep = 0, bulk_out_ep = 0;
- char buffer[BUF_SIZE];
- int ret;
-
- while (1) {
- int option;
-
- option = getopt_long(argc, argv, "hv:p:d", options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
- case 'v':
- vid = strtol(optarg, NULL, 0);
- break;
- case 'p':
- pid = strtol(optarg, NULL, 0);
- break;
- case 'd':
- debug = 1;
- break;
- case 'h':
- default:
- print_usage ();
- exit (1);
- }
- }
-
- if (!vid || !pid) {
- fprintf (stderr, "Error: missing vendor and device IDs.");
- exit (2);
- }
-
- usb_init();
-
- if (usb_find_busses() < 0) {
- fprintf (stderr, "Error: no USB busses found.");
- exit (3);
- }
-
- if (usb_find_devices() < 0) {
- fprintf (stderr, "Error: no USB devices found.");
- exit (4);
- }
-
- dev = find_zerocd_device (vid, pid);
- if (dev == NULL) {
- fprintf (stderr, "Error: no ZeroCD device found.");
- exit (5);
- }
-
- handle = usb_open (dev);
- if (handle == NULL) {
- fprintf (stderr, "%s: error: could not access the device.",
- dev->filename);
- exit(6);
- }
-
- /* detach running default driver */
- signal (SIGTERM, release_usb_device);
- ret = usb_get_driver_np (handle, 0, buffer, sizeof (buffer));
- if (ret == 0) {
- debug ("%s: found already attached driver '%s'", dev->filename, buffer);
-
- ret = usb_detach_kernel_driver_np (handle, 0);
- if (ret != 0) {
- debug ("%s: error: unable to detach current driver.", dev->filename);
- usb_close (handle);
- exit(7);
- }
- }
-
- ret = usb_claim_interface (handle, 0);
- if (ret != 0) {
- debug ("%s: couldn't claim device's USB interface: %d.",
- dev->filename, ret);
- usb_close (handle);
- exit(8);
- }
-
- /* Find the device's bulk in and out endpoints */
- if (find_endpoints (dev, &bulk_in_ep, &bulk_out_ep) < 0) {
- debug ("%s: couldn't find correct USB endpoints.", dev->filename);
- usb_release_interface (handle, 0);
- usb_close (handle);
- exit (9);
- }
-
- usb_clear_halt (handle, bulk_out_ep);
- ret = usb_set_altinterface (handle, 0);
- if (ret != 0) {
- debug ("%s: couldn't set device alternate interface.", dev->filename);
- usb_release_interface (handle, 0);
- usb_close (handle);
- exit(10);
- }
-
- /* Let the mass storage device settle */
- sleep(1);
-
- /* Send the rezero command */
- ret = usb_bulk_write (handle, bulk_out_ep, (char *) rezero_cbw, sizeof (rezero_cbw), 1000);
- if (ret < 0) {
- debug ("%s: couldn't send rezero command.", dev->filename);
- usb_release_interface (handle, 0);
- usb_close (handle);
- exit(11);
- }
- debug ("%s: REZERO command sent.", dev->filename);
-
- /* Some devices need to be read from */
- ret = usb_bulk_read (handle, bulk_in_ep, buffer, sizeof (buffer), 1000);
-
- ret = usb_close (handle);
- if (ret < 0)
- debug ("%s: failed to close the device.", dev->filename);
-
- usb_release_interface (handle, 0);
- return 0;
-}
-
generated by cgit (git 2.34.1) at 2025-06-17 17:05:37 +0000