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Diffstat (limited to 'extras/usb_id/usb_id.c')
-rw-r--r--extras/usb_id/usb_id.c91
1 files changed, 40 insertions, 51 deletions
diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index 92492c8665..fb4c28ac3e 100644
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -28,30 +28,12 @@
#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];
@@ -219,7 +201,7 @@ static void set_scsi_type(char *to, const char *from, size_t 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;
@@ -231,38 +213,38 @@ static int usb_id(const char *devpath)
dbg("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'\n", 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'\n", 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\n", 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'\n", devpath);
+ info(udev, "unable to find parent 'usb' device of '%s'\n", devpath);
return 1;
}
@@ -273,41 +255,41 @@ static int usb_id(const char *devpath)
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'\n", 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'\n", 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\n", 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\n", 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\n", 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\n", 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);
@@ -325,13 +307,13 @@ fallback:
const char *usb_vendor = NULL;
if (!use_num_info)
- usb_vendor = sysfs_attr_get_value(dev_usb->devpath, "manufacturer");
+ usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "manufacturer");
if (!usb_vendor)
- usb_vendor = sysfs_attr_get_value(dev_usb->devpath, "idVendor");
+ usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "idVendor");
if (!usb_vendor) {
- info("No USB vendor information available\n");
+ info(udev, "No USB vendor information available\n");
return 1;
}
set_str(vendor_str, usb_vendor, sizeof(vendor_str)-1);
@@ -341,10 +323,10 @@ fallback:
const char *usb_model = NULL;
if (!use_num_info)
- usb_model = sysfs_attr_get_value(dev_usb->devpath, "product");
+ usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "product");
if (!usb_model)
- usb_model = sysfs_attr_get_value(dev_usb->devpath, "idProduct");
+ usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "idProduct");
if (!usb_model) {
dbg("No USB model information available\n");
@@ -356,7 +338,7 @@ fallback:
if (revision_str[0] == '\0') {
const char *usb_rev;
- usb_rev = sysfs_attr_get_value(dev_usb->devpath, "bcdDevice");
+ usb_rev = sysfs_attr_get_value(udev, dev_usb->devpath, "bcdDevice");
if (usb_rev)
set_str(revision_str, usb_rev, sizeof(revision_str)-1);
}
@@ -364,7 +346,7 @@ fallback:
if (serial_str[0] == '\0') {
const char *usb_serial;
- usb_serial = sysfs_attr_get_value(dev_usb->devpath, "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);
}
@@ -373,6 +355,7 @@ fallback:
int main(int argc, char **argv)
{
+ struct udev *udev;
int retval = 0;
const char *env;
char devpath[MAX_PATH_LEN];
@@ -385,7 +368,12 @@ int main(int argc, char **argv)
{}
};
+ udev = udev_new();
+ if (udev == NULL)
+ goto exit;
+
logging_init("usb_id");
+ udev_set_log_fn(udev, log_fn);
sysfs_init();
while (1) {
@@ -430,7 +418,7 @@ int main(int argc, char **argv)
strlcpy(devpath, argv[optind], sizeof(devpath));
}
- retval = usb_id(devpath);
+ retval = usb_id(udev, devpath);
if (retval == 0) {
char serial[256];
@@ -463,6 +451,7 @@ int main(int argc, char **argv)
}
exit:
+ udev_unref(udev);
sysfs_cleanup();
logging_close();
return retval;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-12 20:28:56 +0000