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Diffstat (limited to 'extras/usb_id/usb_id.c')
-rw-r--r--extras/usb_id/usb_id.c94
1 files changed, 58 insertions, 36 deletions
diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index bca80f8de1..f4011ee899 100644
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -72,7 +72,9 @@ static char revision_str[16];
static char type_str[16];
static int use_usb_info;
+static int use_num_info;
static int export;
+static int debug;
static void set_str(char *to, const unsigned char *from, int count)
{
@@ -259,7 +261,7 @@ static int usb_id(const char *target_path)
struct sysfs_device *target_dev;
struct sysfs_device *host_dev, *interface_dev, *usb_dev;
struct sysfs_attribute *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
- struct sysfs_attribute *usb_model, *usb_vendor, *usb_rev, *usb_serial;
+ struct sysfs_attribute *usb_model = NULL, *usb_vendor = NULL, *usb_rev, *usb_serial;
struct sysfs_attribute *if_class, *if_subclass;
int if_class_num;
int protocol = 0;
@@ -322,11 +324,12 @@ static int usb_id(const char *target_path)
if_class = sysfs_get_device_attr(interface_dev, "bInterfaceClass");
if (!if_class) {
info("%s: cannot get bInterfaceClass attribute", interface_dev->name);
- return -1;
+ return 1;
}
if_class_num = strtoul(if_class->value, NULL, 16);
if (if_class_num != 8) {
set_usb_iftype(type_str, if_class->value, sizeof(type_str) - 1);
+ protocol = 0;
} else {
if_subclass = sysfs_get_device_attr(interface_dev,
"bInterfaceSubClass");
@@ -338,29 +341,29 @@ static int usb_id(const char *target_path)
/* Generic SPC-2 device */
scsi_vendor = sysfs_get_device_attr(scsi_dev, "vendor");
if (!scsi_vendor) {
- info("%s: cannot get vendor attribute", scsi_dev->name);
- return -1;
+ info("%s: cannot get SCSI vendor attribute", scsi_dev->name);
+ return 1;
}
set_str(vendor_str, scsi_vendor->value, sizeof(vendor_str)-1);
scsi_model = sysfs_get_device_attr(scsi_dev, "model");
if (!scsi_model) {
- info("%s: cannot get model attribute", scsi_dev->name);
- return -1;
+ info("%s: cannot get SCSI model attribute", scsi_dev->name);
+ return 1;
}
set_str(model_str, scsi_model->value, sizeof(model_str)-1);
scsi_type = sysfs_get_device_attr(scsi_dev, "type");
if (!scsi_type) {
- info("%s: cannot get type attribute", scsi_dev->name);
- return -1;
+ info("%s: cannot get SCSI type attribute", scsi_dev->name);
+ return 1;
}
set_scsi_type(type_str, scsi_type->value, sizeof(type_str)-1);
scsi_rev = sysfs_get_device_attr(scsi_dev, "rev");
if (!scsi_rev) {
- info("%s: cannot get type attribute", scsi_dev->name);
- return -1;
+ info("%s: cannot get SCSI revision attribute", scsi_dev->name);
+ return 1;
}
set_str(revision_str, scsi_rev->value, sizeof(revision_str)-1);
@@ -368,19 +371,29 @@ static int usb_id(const char *target_path)
/* Fallback to USB vendor & device */
if (vendor_str[0] == '\0') {
- usb_vendor = sysfs_get_device_attr(usb_dev, "manufacturer");
+ if (!use_num_info)
+ if (!(usb_vendor = sysfs_get_device_attr(usb_dev, "manufacturer")))
+ dbg("No USB vendor string found, using idVendor");
+
if (!usb_vendor) {
- dbg("No USB vendor string found, using idVendor");
- usb_vendor = sysfs_get_device_attr(usb_dev, "idVendor");
+ if (!(usb_vendor = sysfs_get_device_attr(usb_dev, "idVendor"))) {
+ dbg("No USB vendor information available\n");
+ sprintf(vendor_str,"0000");
+ }
}
set_str(vendor_str,usb_vendor->value, sizeof(vendor_str) - 1);
}
if (model_str[0] == '\0') {
- usb_model = sysfs_get_device_attr(usb_dev, "product");
+ if (!use_num_info)
+ if (!(usb_model = sysfs_get_device_attr(usb_dev, "product")))
+ dbg("No USB model string found, using idProduct");
+
if (!usb_model) {
- dbg("No USB model string found, using idProduct");
- usb_model = sysfs_get_device_attr(usb_dev, "idProduct");
+ if (!(usb_model = sysfs_get_device_attr(usb_dev, "idProduct"))) {
+ dbg("No USB model information available\n");
+ sprintf(model_str,"0000");
+ }
}
set_str(model_str, usb_model->value, sizeof(model_str) - 1);
}
@@ -417,13 +430,20 @@ int main(int argc, char **argv)
exit(1);
}
- while ((option = getopt(argc, argv, "ux")) != -1 ) {
+ while ((option = getopt(argc, argv, "dnux")) != -1 ) {
if (optarg)
dbg("option '%c' arg '%s'", option, optarg);
else
dbg("option '%c'", option);
switch (option) {
+ case 'd':
+ debug = 1;
+ break;
+ case 'n':
+ use_num_info=1;
+ use_usb_info=1;
+ break;
case 'u':
use_usb_info=1;
break;
@@ -432,7 +452,7 @@ int main(int argc, char **argv)
break;
default:
info("Unknown or bad option '%c' (0x%x)", option, option);
- retval = -1;
+ retval = 1;
break;
}
}
@@ -452,25 +472,27 @@ int main(int argc, char **argv)
retval = usb_id(target_path);
- if (export) {
- printf("ID_VENDOR=%s\n", vendor_str);
- printf("ID_MODEL=%s\n", model_str);
- printf("ID_REVISION=%s\n", revision_str);
- if (serial_str[0] == '\0') {
- printf("ID_SERIAL=%s_%s\n",
- vendor_str, model_str);
- } else {
- printf("ID_SERIAL=%s_%s_%s\n",
- vendor_str, model_str, serial_str);
- }
- printf("ID_TYPE=%s\n", type_str);
- } else {
- if (serial_str[0] == '\0') {
- printf("%s_%s\n",
- vendor_str, model_str);
+ if (retval == 0) {
+ if (export) {
+ printf("ID_VENDOR=%s\n", vendor_str);
+ printf("ID_MODEL=%s\n", model_str);
+ printf("ID_REVISION=%s\n", revision_str);
+ if (serial_str[0] == '\0') {
+ printf("ID_SERIAL=%s_%s\n",
+ vendor_str, model_str);
+ } else {
+ printf("ID_SERIAL=%s_%s_%s\n",
+ vendor_str, model_str, serial_str);
+ }
+ printf("ID_TYPE=%s\n", type_str);
} else {
- printf("%s_%s_%s\n",
- vendor_str, model_str, serial_str);
+ if (serial_str[0] == '\0') {
+ printf("%s_%s\n",
+ vendor_str, model_str);
+ } else {
+ printf("%s_%s_%s\n",
+ vendor_str, model_str, serial_str);
+ }
}
}
exit(retval);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-22 07:31:10 +0000