/*
- * usb_id.c
- *
- * Identify an USB (block) device
+ * usb_id - identify an USB device
*
* Copyright (c) 2005 SUSE Linux Products GmbH, Germany
*
#include <errno.h>
#include <getopt.h>
-#include "../../udev.h"
+#include "../../udev/udev.h"
#define MAX_PATH_LEN 512
#define MAX_SERIAL_LEN 256
#define BLKGETSIZE64 _IOR(0x12,114,size_t)
-#ifdef USE_LOG
-void log_message(int priority, const char *format, ...)
+static void log_fn(struct udev *udev, int priority,
+ const char *file, int line, const char *fn,
+ const char *format, va_list args)
{
- va_list args;
- static int udev_log = -1;
-
- if (udev_log == -1) {
- const char *value;
-
- value = getenv("UDEV_LOG");
- if (value)
- udev_log = log_priority(value);
- else
- udev_log = LOG_ERR;
- }
-
- if (priority > udev_log)
- return;
-
- va_start(args, format);
vsyslog(priority, format, args);
- va_end(args);
}
-#endif
static char vendor_str[64];
static char model_str[64];
break;
}
}
- strlcpy(to, type, len);
+ util_strlcpy(to, type, len);
return type_num;
}
break;
}
}
- strlcpy(to, type, len);
+ util_strlcpy(to, type, len);
}
/*
* 6.) If the device supplies a serial number, this number
* is concatenated with the identification with an underscore '_'.
*/
-static int usb_id(const char *devpath)
+static int usb_id(struct udev *udev, const char *devpath)
{
struct sysfs_device *dev;
struct sysfs_device *dev_interface;
struct sysfs_device *dev_usb;
- const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
- const char *usb_model = NULL, *usb_vendor = NULL, *usb_rev, *usb_serial;
const char *if_class, *if_subclass;
int if_class_num;
int protocol = 0;
- dbg("devpath %s\n", devpath);
+ dbg(udev, "devpath %s\n", devpath);
/* get all usb specific information: dev_interface, if_class, dev_usb */
- dev = sysfs_device_get(devpath);
+ dev = sysfs_device_get(udev, devpath);
if (dev == NULL) {
- err("unable to access '%s'", devpath);
+ err(udev, "unable to access '%s'\n", devpath);
return 1;
}
/* usb interface directory */
- dev_interface = sysfs_device_get_parent_with_subsystem(dev, "usb");
+ dev_interface = sysfs_device_get_parent_with_subsystem(udev, dev, "usb");
if (dev_interface == NULL) {
- info("unable to access usb_interface device of '%s'", devpath);
+ info(udev, "unable to access usb_interface device of '%s'\n", devpath);
return 1;
}
- if_class = sysfs_attr_get_value(dev_interface->devpath, "bInterfaceClass");
+ if_class = sysfs_attr_get_value(udev, dev_interface->devpath, "bInterfaceClass");
if (!if_class) {
- info("%s: cannot get bInterfaceClass attribute", dev_interface->kernel);
+ info(udev, "%s: cannot get bInterfaceClass attribute\n", dev_interface->kernel);
return 1;
}
if_class_num = strtoul(if_class, NULL, 16);
if (if_class_num == 8) {
- if_subclass = sysfs_attr_get_value(dev_interface->devpath, "bInterfaceSubClass");
+ if_subclass = sysfs_attr_get_value(udev, dev_interface->devpath, "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("%s: if_class %d protocol %d\n", dev_interface->devpath, if_class_num, protocol);
+ info(udev, "%s: if_class %d protocol %d\n", dev_interface->devpath, if_class_num, protocol);
/* usb device directory */
- dev_usb = sysfs_device_get_parent_with_subsystem(dev_interface, "usb");
+ dev_usb = sysfs_device_get_parent_with_subsystem(udev, dev_interface, "usb");
if (!dev_usb) {
- info("unable to find parent 'usb' device of '%s'", devpath);
+ info(udev, "unable to find parent 'usb' device of '%s'\n", devpath);
return 1;
}
/* mass storage */
if (protocol == 6 && !use_usb_info) {
struct sysfs_device *dev_scsi;
+ const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
int host, bus, target, lun;
/* get scsi device */
- dev_scsi = sysfs_device_get_parent_with_subsystem(dev, "scsi");
+ dev_scsi = sysfs_device_get_parent_with_subsystem(udev, dev, "scsi");
if (dev_scsi == NULL) {
- info("unable to find parent 'scsi' device of '%s'", devpath);
+ info(udev, "unable to find parent 'scsi' device of '%s'\n", devpath);
goto fallback;
}
if (sscanf(dev_scsi->kernel, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
- info("invalid scsi device '%s'", dev_scsi->kernel);
+ info(udev, "invalid scsi device '%s'\n", dev_scsi->kernel);
goto fallback;
}
/* Generic SPC-2 device */
- scsi_vendor = sysfs_attr_get_value(dev_scsi->devpath, "vendor");
+ scsi_vendor = sysfs_attr_get_value(udev, dev_scsi->devpath, "vendor");
if (!scsi_vendor) {
- info("%s: cannot get SCSI vendor attribute", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI vendor attribute\n", dev_scsi->kernel);
goto fallback;
}
set_str(vendor_str, scsi_vendor, sizeof(vendor_str)-1);
- scsi_model = sysfs_attr_get_value(dev_scsi->devpath, "model");
+ scsi_model = sysfs_attr_get_value(udev, dev_scsi->devpath, "model");
if (!scsi_model) {
- info("%s: cannot get SCSI model attribute", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI model attribute\n", dev_scsi->kernel);
goto fallback;
}
set_str(model_str, scsi_model, sizeof(model_str)-1);
- scsi_type = sysfs_attr_get_value(dev_scsi->devpath, "type");
+ scsi_type = sysfs_attr_get_value(udev, dev_scsi->devpath, "type");
if (!scsi_type) {
- info("%s: cannot get SCSI type attribute", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI type attribute\n", dev_scsi->kernel);
goto fallback;
}
set_scsi_type(type_str, scsi_type, sizeof(type_str)-1);
- scsi_rev = sysfs_attr_get_value(dev_scsi->devpath, "rev");
+ scsi_rev = sysfs_attr_get_value(udev, dev_scsi->devpath, "rev");
if (!scsi_rev) {
- info("%s: cannot get SCSI revision attribute", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI revision attribute\n", dev_scsi->kernel);
goto fallback;
}
set_str(revision_str, scsi_rev, sizeof(revision_str)-1);
}
fallback:
- /* Fallback to USB vendor & device */
+ /* fallback to USB vendor & device */
if (vendor_str[0] == '\0') {
+ const char *usb_vendor = NULL;
+
if (!use_num_info)
- if (!(usb_vendor = sysfs_attr_get_value(dev_usb->devpath, "manufacturer")))
- dbg("No USB vendor string found, using idVendor");
+ usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "manufacturer");
+
+ if (!usb_vendor)
+ usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "idVendor");
if (!usb_vendor) {
- if (!(usb_vendor = sysfs_attr_get_value(dev_usb->devpath, "idVendor"))) {
- dbg("No USB vendor information available\n");
- sprintf(vendor_str,"0000");
- }
+ info(udev, "No USB vendor information available\n");
+ return 1;
}
- set_str(vendor_str,usb_vendor, sizeof(vendor_str) - 1);
+ set_str(vendor_str, usb_vendor, sizeof(vendor_str)-1);
}
-
+
if (model_str[0] == '\0') {
+ const char *usb_model = NULL;
+
if (!use_num_info)
- if (!(usb_model = sysfs_attr_get_value(dev_usb->devpath, "product")))
- dbg("No USB model string found, using idProduct");
-
+ usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "product");
+
+ if (!usb_model)
+ usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "idProduct");
+
if (!usb_model) {
- if (!(usb_model = sysfs_attr_get_value(dev_usb->devpath, "idProduct")))
- dbg("No USB model information available\n"); sprintf(model_str,"0000");
+ dbg(udev, "No USB model information available\n");
+ return 1;
}
- set_str(model_str, usb_model, sizeof(model_str) - 1);
+ set_str(model_str, usb_model, sizeof(model_str)-1);
}
if (revision_str[0] == '\0') {
- usb_rev = sysfs_attr_get_value(dev_usb->devpath, "bcdDevice");
+ const char *usb_rev;
+
+ usb_rev = sysfs_attr_get_value(udev, dev_usb->devpath, "bcdDevice");
if (usb_rev)
set_str(revision_str, usb_rev, sizeof(revision_str)-1);
}
if (serial_str[0] == '\0') {
- usb_serial = sysfs_attr_get_value(dev_usb->devpath, "serial");
+ const char *usb_serial;
+
+ usb_serial = sysfs_attr_get_value(udev, dev_usb->devpath, "serial");
if (usb_serial)
set_str(serial_str, usb_serial, sizeof(serial_str)-1);
}
int main(int argc, char **argv)
{
+ struct udev *udev;
int retval = 0;
const char *env;
char devpath[MAX_PATH_LEN];
{}
};
+ udev = udev_new();
+ if (udev == NULL)
+ goto exit;
+
logging_init("usb_id");
+ udev_set_log_fn(udev, log_fn);
sysfs_init();
while (1) {
env = getenv("DEVPATH");
if (env != NULL)
- strlcpy(devpath, env, sizeof(devpath));
+ util_strlcpy(devpath, env, sizeof(devpath));
else {
if (argv[optind] == NULL) {
fprintf(stderr, "No device specified\n");
retval = 1;
goto exit;
}
- strlcpy(devpath, argv[optind], sizeof(devpath));
+ util_strlcpy(devpath, argv[optind], sizeof(devpath));
}
- retval = usb_id(devpath);
+ retval = usb_id(udev, devpath);
if (retval == 0) {
char serial[256];
- strlcpy(serial, vendor_str, sizeof(serial));
- strlcat(serial, "_", sizeof(serial));
- strlcat(serial, model_str, sizeof(serial));
+ util_strlcpy(serial, vendor_str, sizeof(serial));
+ util_strlcat(serial, "_", sizeof(serial));
+ util_strlcat(serial, model_str, sizeof(serial));
if (serial_str[0] != '\0') {
- strlcat(serial, "_", sizeof(serial));
- strlcat(serial, serial_str, sizeof(serial));
+ util_strlcat(serial, "_", sizeof(serial));
+ util_strlcat(serial, serial_str, sizeof(serial));
}
if (instance_str[0] != '\0') {
- strlcat(serial, "-", sizeof(serial));
- strlcat(serial, instance_str, sizeof(serial));
+ util_strlcat(serial, "-", sizeof(serial));
+ util_strlcat(serial, instance_str, sizeof(serial));
}
if (export) {
}
exit:
+ udev_unref(udev);
sysfs_cleanup();
logging_close();
return retval;