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Diffstat (limited to 'extras/usb_id/usb_id.c')
-rw-r--r--extras/usb_id/usb_id.c144
1 files changed, 80 insertions, 64 deletions
diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index f39496b07c..4d5265532d 100644
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -22,20 +22,23 @@
#include "../../udev/udev.h"
-#define MAX_PATH_LEN 512
-#define MAX_SERIAL_LEN 256
-#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+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)
{
- vsyslog(priority, format, 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 serial_str[MAX_SERIAL_LEN];
+static char serial_str[UTIL_NAME_SIZE];
static char revision_str[64];
static char type_str[64];
static char instance_str[64];
@@ -199,95 +202,98 @@ 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(struct udev *udev, const char *devpath)
+static int usb_id(struct udev_device *dev)
{
- struct sysfs_device *dev;
- struct sysfs_device *dev_interface;
- struct sysfs_device *dev_usb;
+ 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, "devpath %s\n", devpath);
-
- /* get all usb specific information: dev_interface, if_class, dev_usb */
- dev = sysfs_device_get(udev, devpath);
- if (dev == NULL) {
- err(udev, "unable to access '%s'\n", devpath);
- return 1;
- }
+ dbg(udev, "syspath %s\n", udev_device_get_syspath(dev));
/* usb interface directory */
- dev_interface = sysfs_device_get_parent_with_subsystem(udev, dev, "usb");
+ dev_interface = udev_device_get_parent_with_subsystem(dev, "usb");
if (dev_interface == NULL) {
- info(udev, "unable to access usb_interface device of '%s'\n", devpath);
+ info(udev, "unable to access usb_interface device of '%s'\n",
+ udev_device_get_syspath(dev));
return 1;
}
- if_class = sysfs_attr_get_value(udev, dev_interface->devpath, "bInterfaceClass");
+ if_class = udev_device_get_attr_value(dev_interface, "bInterfaceClass");
if (!if_class) {
- info(udev, "%s: cannot get bInterfaceClass attribute\n", dev_interface->kernel);
+ 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) {
- if_subclass = sysfs_attr_get_value(udev, dev_interface->devpath, "bInterfaceSubClass");
+ if_subclass = udev_device_get_attr_value(dev_interface, "bInterfaceSubClass");
if (if_subclass != NULL)
protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1);
- } else
+ } else {
set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1);
+ }
- info(udev, "%s: if_class %d protocol %d\n", dev_interface->devpath, if_class_num, protocol);
+ info(udev, "%s: if_class %d protocol %d\n",
+ udev_device_get_syspath(dev_interface), if_class_num, protocol);
/* usb device directory */
- dev_usb = sysfs_device_get_parent_with_subsystem(udev, dev_interface, "usb");
+ dev_usb = udev_device_get_parent_with_subsystem(dev_interface, "usb");
if (!dev_usb) {
- info(udev, "unable to find parent 'usb' device of '%s'\n", devpath);
+ info(udev, "unable to find parent 'usb' device of '%s'\n",
+ udev_device_get_syspath(dev));
return 1;
}
/* mass storage */
if (protocol == 6 && !use_usb_info) {
- struct sysfs_device *dev_scsi;
+ 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 = sysfs_device_get_parent_with_subsystem(udev, dev, "scsi");
+ dev_scsi = udev_device_get_parent_with_subsystem(dev, "scsi");
if (dev_scsi == NULL) {
- info(udev, "unable to find parent 'scsi' device of '%s'\n", devpath);
+ info(udev, "unable to find parent 'scsi' device of '%s'\n",
+ udev_device_get_syspath(dev));
goto fallback;
}
- if (sscanf(dev_scsi->kernel, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
- info(udev, "invalid scsi device '%s'\n", dev_scsi->kernel);
+ 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 = sysfs_attr_get_value(udev, dev_scsi->devpath, "vendor");
+ scsi_vendor = udev_device_get_attr_value(dev_scsi, "vendor");
if (!scsi_vendor) {
- info(udev, "%s: cannot get SCSI vendor attribute\n", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI vendor attribute\n",
+ udev_device_get_sysname(dev_scsi));
goto fallback;
}
set_str(vendor_str, scsi_vendor, sizeof(vendor_str)-1);
- scsi_model = sysfs_attr_get_value(udev, dev_scsi->devpath, "model");
+ scsi_model = udev_device_get_attr_value(dev_scsi, "model");
if (!scsi_model) {
- info(udev, "%s: cannot get SCSI model attribute\n", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI model attribute\n",
+ udev_device_get_sysname(dev_scsi));
goto fallback;
}
set_str(model_str, scsi_model, sizeof(model_str)-1);
- scsi_type = sysfs_attr_get_value(udev, dev_scsi->devpath, "type");
+ scsi_type = udev_device_get_attr_value(dev_scsi, "type");
if (!scsi_type) {
- info(udev, "%s: cannot get SCSI type attribute\n", dev_scsi->kernel);
+ 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 = sysfs_attr_get_value(udev, dev_scsi->devpath, "rev");
+ scsi_rev = udev_device_get_attr_value(dev_scsi, "rev");
if (!scsi_rev) {
- info(udev, "%s: cannot get SCSI revision attribute\n", dev_scsi->kernel);
+ info(udev, "%s: cannot get SCSI revision attribute\n",
+ udev_device_get_sysname(dev_scsi));
goto fallback;
}
set_str(revision_str, scsi_rev, sizeof(revision_str)-1);
@@ -305,10 +311,10 @@ fallback:
const char *usb_vendor = NULL;
if (!use_num_info)
- usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "manufacturer");
+ usb_vendor = udev_device_get_attr_value(dev_usb, "manufacturer");
if (!usb_vendor)
- usb_vendor = sysfs_attr_get_value(udev, dev_usb->devpath, "idVendor");
+ usb_vendor = udev_device_get_attr_value(dev_usb, "idVendor");
if (!usb_vendor) {
info(udev, "No USB vendor information available\n");
@@ -321,10 +327,10 @@ fallback:
const char *usb_model = NULL;
if (!use_num_info)
- usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "product");
+ usb_model = udev_device_get_attr_value(dev_usb, "product");
if (!usb_model)
- usb_model = sysfs_attr_get_value(udev, dev_usb->devpath, "idProduct");
+ usb_model = udev_device_get_attr_value(dev_usb, "idProduct");
if (!usb_model) {
dbg(udev, "No USB model information available\n");
@@ -336,7 +342,7 @@ fallback:
if (revision_str[0] == '\0') {
const char *usb_rev;
- usb_rev = sysfs_attr_get_value(udev, dev_usb->devpath, "bcdDevice");
+ usb_rev = udev_device_get_attr_value(dev_usb, "bcdDevice");
if (usb_rev)
set_str(revision_str, usb_rev, sizeof(revision_str)-1);
}
@@ -344,7 +350,7 @@ fallback:
if (serial_str[0] == '\0') {
const char *usb_serial;
- usb_serial = sysfs_attr_get_value(udev, dev_usb->devpath, "serial");
+ usb_serial = udev_device_get_attr_value(dev_usb, "serial");
if (usb_serial)
set_str(serial_str, usb_serial, sizeof(serial_str)-1);
}
@@ -353,18 +359,20 @@ fallback:
int main(int argc, char **argv)
{
- struct udev *udev;
- int retval = 0;
- const char *env;
- char devpath[MAX_PATH_LEN];
- static int export;
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;
+ char syspath[UTIL_PATH_SIZE];
+ const char *devpath;
+ static int export;
+ int retval = 0;
udev = udev_new();
if (udev == NULL)
@@ -372,16 +380,20 @@ int main(int argc, char **argv)
logging_init("usb_id");
udev_set_log_fn(udev, log_fn);
- sysfs_init();
while (1) {
int option;
- option = getopt_long(argc, argv, "nuxh", options, NULL);
+ 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;
@@ -404,20 +416,24 @@ int main(int argc, char **argv)
}
}
- env = getenv("DEVPATH");
- if (env != NULL)
- util_strlcpy(devpath, env, sizeof(devpath));
- else {
- if (argv[optind] == NULL) {
- fprintf(stderr, "No device specified\n");
- retval = 1;
- goto exit;
- }
- util_strlcpy(devpath, argv[optind], sizeof(devpath));
+ devpath = getenv("DEVPATH");
+ if (devpath == NULL)
+ devpath = argv[optind];
+ if (devpath == NULL) {
+ fprintf(stderr, "No device specified\n");
+ retval = 1;
+ goto exit;
}
- retval = usb_id(udev, devpath);
+ 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];
@@ -449,8 +465,8 @@ int main(int argc, char **argv)
}
exit:
+ udev_device_unref(dev);
udev_unref(udev);
- sysfs_cleanup();
logging_close();
return retval;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-03 05:25:31 +0000