X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Fusb_id%2Fusb_id.c;h=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hp=489f97e5376da9a9953dc91c73be4d6e9b1165f1;hb=ee9bf6bda9a3367295ca56842bb29bf197d90f48;hpb=7e827bcde81cc702f232a53d84506cf065274ded

diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index 489f97e53..e69de29bb 100644
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -1,544 +0,0 @@
-/*
- * usb_id - identify an USB device
- *
- * Copyright (c) 2005 SUSE Linux Products GmbH, Germany
- *
- * Author:
- *	Hannes Reinecke <hare@suse.de>
- *
- *	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 version 2 of the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <getopt.h>
-
-#include "../../udev/udev.h"
-
-int debug;
-
-static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
-{
-	if (debug) {
-		fprintf(stderr, "%s: ", fn != NULL ? fn : file);
-		vfprintf(stderr, format, args);
-	} else {
-		vsyslog(priority, format, args);
-	}
-}
-
-static char vendor_str[64];
-static char model_str[64];
-static char model_str_enc[256];
-static char vendor_str_enc[256];
-static char serial_str[UTIL_NAME_SIZE];
-static char packed_if_str[UTIL_NAME_SIZE];
-static char revision_str[64];
-static char type_str[64];
-static char instance_str[64];
-
-static int use_usb_info;
-static int use_num_info;
-
-static void set_usb_iftype(char *to, int if_class_num, size_t len)
-{
-	char *type = "generic";
-
-	switch (if_class_num) {
-	case 1:
-		type = "audio";
-		break;
-	case 2: /* CDC-Control */
-		break;
-	case 3:
-		type = "hid";
-		break;
-	case 5: /* Physical */
-		break;
-	case 6:
-		type = "media";
-		break;
-	case 7:
-		type = "printer";
-		break;
-	case 8:
-		type = "storage";
-		break;
-	case 9:
-		type = "hub";
-		break;
-	case 0x0a: /* CDC-Data */
-		break;
-	case 0x0b: /* Chip/Smart Card */
-		break;
-	case 0x0d: /* Content Security */
-		break;
-	case 0x0e:
-		type = "video";
-		break;
-	case 0xdc: /* Diagnostic Device */
-		break;
-	case 0xe0: /* Wireless Controller */
-		break;
-	case 0xfe: /* Application-specific */
-		break;
-	case 0xff: /* Vendor-specific */
-		break;
-	default:
-		break;
-	}
-	strncpy(to, type, len);
-	to[len-1] = '\0';
-}
-
-static int set_usb_mass_storage_ifsubtype(char *to, const char *from, size_t len)
-{
-	int type_num = 0;
-	char *eptr;
-	char *type = "generic";
-
-	type_num = strtoul(from, &eptr, 0);
-	if (eptr != from) {
-		switch (type_num) {
-		case 2:
-			type = "atapi";
-			break;
-		case 3:
-			type = "tape";
-			break;
-		case 4: /* UFI */
-		case 5: /* SFF-8070i */
-			type = "floppy";
-			break;
-		case 1: /* RBC devices */
-			type = "rbc";
-			break;
-		case 6: /* Transparent SPC-2 devices */
-			type = "scsi";
-			break;
-		default:
-			break;
-		}
-	}
-	util_strlcpy(to, type, len);
-	return type_num;
-}
-
-static void set_scsi_type(char *to, const char *from, size_t len)
-{
-	int type_num;
-	char *eptr;
-	char *type = "generic";
-
-	type_num = strtoul(from, &eptr, 0);
-	if (eptr != from) {
-		switch (type_num) {
-		case 0:
-		case 0xe:
-			type = "disk";
-			break;
-		case 1:
-			type = "tape";
-			break;
-		case 4:
-		case 7:
-		case 0xf:
-			type = "optical";
-			break;
-		case 5:
-			type = "cd";
-			break;
-		default:
-			break;
-		}
-	}
-	util_strlcpy(to, type, len);
-}
-
-#define USB_DT_DEVICE			0x01
-#define USB_DT_INTERFACE		0x04
-
-static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len)
-{
-	char *filename = NULL;
-	int fd;
-	ssize_t size;
-	unsigned char buf[18 + 65535];
-	unsigned int pos, strpos;
-	struct usb_interface_descriptor {
-		u_int8_t	bLength;
-		u_int8_t	bDescriptorType;
-		u_int8_t	bInterfaceNumber;
-		u_int8_t	bAlternateSetting;
-		u_int8_t	bNumEndpoints;
-		u_int8_t	bInterfaceClass;
-		u_int8_t	bInterfaceSubClass;
-		u_int8_t	bInterfaceProtocol;
-		u_int8_t	iInterface;
-	} __attribute__((packed));
-	int err;
-
-	if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0) {
-		err = -1;
-		goto out;
-	}
-	fd = open(filename, O_RDONLY);
-	if (fd < 0) {
-		fprintf(stderr, "error opening USB device 'descriptors' file\n");
-		err = -1;
-		goto out;
-	}
-	size = read(fd, buf, sizeof(buf));
-	close(fd);
-	if (size < 18 || size == sizeof(buf)) {
-		err = -1;
-		goto out;
-	}
-
-	pos = 0;
-	strpos = 0;
-	while (pos < sizeof(buf) && strpos+7 < len) {
-		struct usb_interface_descriptor *desc;
-		char if_str[8];
-
-		desc = (struct usb_interface_descriptor *) &buf[pos];
-		if (desc->bLength < 3)
-			break;
-		pos += desc->bLength;
-
-		if (desc->bDescriptorType != USB_DT_INTERFACE)
-			continue;
-
-		if (snprintf(if_str, 8, "%02x%02x%02x:",
-			     desc->bInterfaceClass,
-			     desc->bInterfaceSubClass,
-			     desc->bInterfaceProtocol) != 7)
-			continue;
-
-		if (strstr(ifs_str, if_str) != NULL)
-			continue;
-
-		memcpy(&ifs_str[strpos], if_str, 8),
-		strpos += 7;
-	}
-out:
-	free(filename);
-	return 0;
-}
-
-/*
- * A unique USB identification is generated like this:
- *
- * 1.) Get the USB device type from DeviceClass, InterfaceClass
- *     and InterfaceSubClass
- * 2.) If the device type is 'Mass-Storage/SPC-2' or 'Mass-Storage/RBC'
- *     use the SCSI vendor and model as USB-Vendor and USB-model.
- * 3.) Otherwise use the USB manufacturer and product as
- *     USB-Vendor and USB-model. Any non-printable characters
- *     in those strings will be skipped; a slash '/' will be converted
- *     into a full stop '.'.
- * 4.) If that fails, too, we will use idVendor and idProduct
- *     as USB-Vendor and USB-model.
- * 5.) The USB identification is the USB-vendor and USB-model
- *     string concatenated with an underscore '_'.
- * 6.) If the device supplies a serial number, this number
- *     is concatenated with the identification with an underscore '_'.
- */
-static int usb_id(struct udev_device *dev)
-{
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_device *dev_interface;
-	struct udev_device *dev_usb;
-	const char *if_class, *if_subclass;
-	int if_class_num;
-	int protocol = 0;
-
-	dbg(udev, "syspath %s\n", udev_device_get_syspath(dev));
-
-	/* usb interface directory */
-	dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");
-	if (dev_interface == NULL) {
-		info(udev, "unable to access usb_interface device of '%s'\n",
-		     udev_device_get_syspath(dev));
-		return 1;
-	}
-
-	if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass");
-	if (!if_class) {
-		info(udev, "%s: cannot get bInterfaceClass attribute\n",
-		     udev_device_get_sysname(dev));
-		return 1;
-	}
-
-	if_class_num = strtoul(if_class, NULL, 16);
-	if (if_class_num == 8) {
-		/* mass storage */
-		if_subclass = udev_device_get_sysattr_value(dev_interface, "bInterfaceSubClass");
-		if (if_subclass != NULL)
-			protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1);
-	} else {
-		set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1);
-	}
-
-	info(udev, "%s: if_class %d protocol %d\n",
-	     udev_device_get_syspath(dev_interface), if_class_num, protocol);
-
-	/* usb device directory */
-	dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device");
-	if (!dev_usb) {
-		info(udev, "unable to find parent 'usb' device of '%s'\n",
-		     udev_device_get_syspath(dev));
-		return 1;
-	}
-
-	/* all interfaces of the device in a single string */
-	dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str));
-
-	/* mass storage : SCSI or ATAPI */
-	if ((protocol == 6 || protocol == 2) && !use_usb_info) {
-		struct udev_device *dev_scsi;
-		const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
-		int host, bus, target, lun;
-
-		/* get scsi device */
-		dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
-		if (dev_scsi == NULL) {
-			info(udev, "unable to find parent 'scsi' device of '%s'\n",
-			     udev_device_get_syspath(dev));
-			goto fallback;
-		}
-		if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
-			info(udev, "invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-
-		/* Generic SPC-2 device */
-		scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor");
-		if (!scsi_vendor) {
-			info(udev, "%s: cannot get SCSI vendor attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		udev_util_encode_string(scsi_vendor, vendor_str_enc, sizeof(vendor_str_enc));
-		udev_util_replace_whitespace(scsi_vendor, vendor_str, sizeof(vendor_str)-1);
-		udev_util_replace_chars(vendor_str, NULL);
-
-		scsi_model = udev_device_get_sysattr_value(dev_scsi, "model");
-		if (!scsi_model) {
-			info(udev, "%s: cannot get SCSI model attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		udev_util_encode_string(scsi_model, model_str_enc, sizeof(model_str_enc));
-		udev_util_replace_whitespace(scsi_model, model_str, sizeof(model_str)-1);
-		udev_util_replace_chars(model_str, NULL);
-
-		scsi_type = udev_device_get_sysattr_value(dev_scsi, "type");
-		if (!scsi_type) {
-			info(udev, "%s: cannot get SCSI type attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		set_scsi_type(type_str, scsi_type, sizeof(type_str)-1);
-
-		scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev");
-		if (!scsi_rev) {
-			info(udev, "%s: cannot get SCSI revision attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		udev_util_replace_whitespace(scsi_rev, revision_str, sizeof(revision_str)-1);
-		udev_util_replace_chars(revision_str, NULL);
-
-		/*
-		 * some broken devices have the same identifiers
-		 * for all luns, export the target:lun number
-		 */
-		sprintf(instance_str, "%d:%d", target, lun);
-	}
-
-fallback:
-	/* fallback to USB vendor & device */
-	if (vendor_str[0] == '\0') {
-		const char *usb_vendor = NULL;
-
-		if (!use_num_info)
-			usb_vendor = udev_device_get_sysattr_value(dev_usb, "manufacturer");
-
-		if (!usb_vendor)
-			usb_vendor = udev_device_get_sysattr_value(dev_usb, "idVendor");
-
-		if (!usb_vendor) {
-			info(udev, "No USB vendor information available\n");
-			return 1;
-		}
-		udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc));
-		udev_util_replace_whitespace(usb_vendor, vendor_str, sizeof(vendor_str)-1);
-		udev_util_replace_chars(vendor_str, NULL);
-	}
-
-	if (model_str[0] == '\0') {
-		const char *usb_model = NULL;
-
-		if (!use_num_info)
-			usb_model = udev_device_get_sysattr_value(dev_usb, "product");
-
-		if (!usb_model)
-			usb_model = udev_device_get_sysattr_value(dev_usb, "idProduct");
-
-		if (!usb_model) {
-			dbg(udev, "No USB model information available\n");
-			return 1;
-		}
-		udev_util_encode_string(usb_model, model_str_enc, sizeof(model_str_enc));
-		udev_util_replace_whitespace(usb_model, model_str, sizeof(model_str)-1);
-		udev_util_replace_chars(model_str, NULL);
-	}
-
-	if (revision_str[0] == '\0') {
-		const char *usb_rev;
-
-		usb_rev = udev_device_get_sysattr_value(dev_usb, "bcdDevice");
-		if (usb_rev) {
-			udev_util_replace_whitespace(usb_rev, revision_str, sizeof(revision_str)-1);
-			udev_util_replace_chars(revision_str, NULL);
-		}
-	}
-
-	if (serial_str[0] == '\0') {
-		const char *usb_serial;
-
-		usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
-		if (usb_serial) {
-			udev_util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
-			udev_util_replace_chars(serial_str, NULL);
-		}
-	}
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	static const struct option options[] = {
-		{ "usb-info", no_argument, NULL, 'u' },
-		{ "num-info", no_argument, NULL, 'n' },
-		{ "export", no_argument, NULL, 'x' },
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	struct udev *udev;
-	struct udev_device *dev = NULL;
-	char syspath[UTIL_PATH_SIZE];
-	const char *devpath;
-	static int export;
-	int retval = 0;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	logging_init("usb_id");
-	udev_set_log_fn(udev, log_fn);
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "dnuxh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'd':
-			debug = 1;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'n':
-			use_num_info = 1;
-			use_usb_info = 1;
-			break;
-		case 'u':
-			use_usb_info = 1;
-			break;
-		case 'x':
-			export = 1;
-			break;
-		case 'h':
-			printf("Usage: usb_id [--usb-info] [--num-info] [--export] [--help] <devpath>\n"
-			       "  --usb-info  use usb strings instead\n"
-			       "  --num-info  use numerical values\n"
-			       "  --export    print values as environment keys\n"
-			       "  --help      print this help text\n\n");
-		default:
-			retval = 1;
-			goto exit;
-		}
-	}
-
-	devpath = argv[optind];
-	if (devpath == NULL) {
-		fprintf(stderr, "No device specified\n");
-		retval = 1;
-		goto exit;
-	}
-
-	util_strlcpy(syspath, udev_get_sys_path(udev), sizeof(syspath));
-	util_strlcat(syspath, devpath, sizeof(syspath));
-	dev = udev_device_new_from_syspath(udev, syspath);
-	if (dev == NULL) {
-		err(udev, "unable to access '%s'\n", devpath);
-		return 1;
-	}
-
-	retval = usb_id(dev);
-	if (retval == 0) {
-		char serial[256];
-
-		util_strlcpy(serial, vendor_str, sizeof(serial));
-		util_strlcat(serial, "_", sizeof(serial));
-		util_strlcat(serial, model_str, sizeof(serial));
-		if (serial_str[0] != '\0') {
-			util_strlcat(serial, "_", sizeof(serial));
-			util_strlcat(serial, serial_str, sizeof(serial));
-		}
-		if (instance_str[0] != '\0') {
-			util_strlcat(serial, "-", sizeof(serial));
-			util_strlcat(serial, instance_str, sizeof(serial));
-		}
-
-		if (export) {
-			printf("ID_VENDOR=%s\n", vendor_str);
-			printf("ID_VENDOR_ENC=%s\n", vendor_str_enc);
-			printf("ID_MODEL=%s\n", model_str);
-			printf("ID_MODEL_ENC=%s\n", model_str_enc);
-			printf("ID_REVISION=%s\n", revision_str);
-			printf("ID_SERIAL=%s\n", serial);
-			if (serial_str[0] != '\0')
-				printf("ID_SERIAL_SHORT=%s\n", serial_str);
-			printf("ID_TYPE=%s\n", type_str);
-			if (instance_str[0] != '\0')
-				printf("ID_INSTANCE=%s\n", instance_str);
-			printf("ID_BUS=usb\n");
-			if (packed_if_str[0] != '\0')
-				printf("ID_USB_INTERFACES=:%s\n", packed_if_str);
-		} else
-			printf("%s\n", serial);
-	}
-
-exit:
-	udev_device_unref(dev);
-	udev_unref(udev);
-	logging_close();
-	return retval;
-}