#include "list.h"
#include "udev.h"
#include "udev_version.h"
+#include "logging.h"
#include "namedev.h"
#include "libsysfs/libsysfs.h"
#include "klibc_fixups.h"
return NULL;
}
-static mode_t get_default_mode(struct sysfs_class_device *class_dev)
+static mode_t get_default_mode(void)
{
mode_t mode = 0600; /* default to owner rw only */
- if (strlen(default_mode_str) != 0) {
+ if (strlen(default_mode_str) != 0)
mode = strtol(default_mode_str, NULL, 8);
- }
+
return mode;
}
+static char *get_default_owner(void)
+{
+ if (strlen(default_owner_str) == 0)
+ strncpy(default_owner_str, "root", OWNER_SIZE);
+
+ return default_owner_str;
+}
+
+static char *get_default_group(void)
+{
+ if (strlen(default_group_str) == 0)
+ strncpy(default_group_str, "root", GROUP_SIZE);
+
+ return default_group_str;
+}
+
static void apply_format(struct udevice *udev, unsigned char *string)
{
char temp[NAME_SIZE];
/* sleep to give the kernel a chance to create the file */
sleep(1);
}
- dbg("Timed out waiting for '%s' file, continuing on anyway...", b->file);
+ dbg("timed out waiting for '%s' file, continuing on anyway...", b->file);
goto exit;
}
b++;
}
- dbg("Did not find bus type '%s' on list of bus_id_files, contact greg@kroah.com", sysfs_device->bus);
+ dbg("did not find bus type '%s' on list of bus_id_files, contact greg@kroah.com", sysfs_device->bus);
exit:
return; /* here to prevent compiler warning... */
}
if (sysfs_device != NULL)
goto device_found;
}
- dbg("Timed out waiting for device symlink, continuing on anyway...");
+ dbg("timed out waiting for device symlink, continuing on anyway...");
device_found:
/* We have another issue with just the wait above - the sysfs part of
* if needed
*/
if (sysfs_device) {
-
if (sysfs_device->bus[0] != '\0')
goto bus_found;
-
+
loop = 10;
tspec.tv_nsec = 10000000;
while (loop--) {
if (sysfs_device->bus[0] != '\0')
goto bus_found;
}
- dbg("Timed out waiting to find the device bus, continuing on anyway\n");
+ dbg("timed out waiting to find the device bus, continuing on anyway");
goto exit;
bus_found:
- dbg("Device %s is registered with bus %s\n",
+ dbg("device %s is registered with bus '%s'",
sysfs_device->name, sysfs_device->bus);
}
exit:
return sysfs_device;
}
-int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *udev)
+static int match_rule(struct config_device *dev, struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
{
- struct sysfs_device *sysfs_device = NULL;
- struct config_device *dev;
- struct perm_device *perm;
- char *pos;
-
- udev->mode = 0;
-
- /* find the sysfs_device associated with this class device */
- sysfs_device = get_sysfs_device(class_dev);
- if (sysfs_device) {
- dbg("sysfs_device->path='%s'", sysfs_device->path);
- dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
- dbg("sysfs_device->bus='%s'", sysfs_device->bus);
- strfieldcpy(udev->bus_id, sysfs_device->bus_id);
- wait_for_device_to_initialize(sysfs_device);
- } else {
- dbg("class_dev->name = '%s'", class_dev->name);
- }
-
- strfieldcpy(udev->kernel_name, class_dev->name);
-
- /* get kernel number */
- pos = class_dev->name + strlen(class_dev->name);
- while (isdigit(*(pos-1)))
- pos--;
- strfieldcpy(udev->kernel_number, pos);
- dbg("kernel_number='%s'", udev->kernel_number);
-
- /* look for a matching rule to apply */
- list_for_each_entry(dev, &config_device_list, node) {
- dbg("process rule");
-
+ while (1) {
/* check for matching bus value */
if (dev->bus[0] != '\0') {
if (sysfs_device == NULL) {
dbg("device has no bus");
- continue;
+ goto no_good;
}
dbg("check for " FIELD_BUS " dev->bus='%s' sysfs_device->bus='%s'", dev->bus, sysfs_device->bus);
if (strcmp_pattern(dev->bus, sysfs_device->bus) != 0) {
dbg(FIELD_BUS " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_BUS " matches");
}
dbg("check for " FIELD_KERNEL " dev->kernel='%s' class_dev->name='%s'", dev->kernel, class_dev->name);
if (strcmp_pattern(dev->kernel, class_dev->name) != 0) {
dbg(FIELD_KERNEL " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_KERNEL " matches");
}
dbg("check " FIELD_ID);
if (match_id(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_ID " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_ID " matches");
}
dbg("check " FIELD_PLACE);
if (match_place(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_PLACE " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_PLACE " matches");
}
dbg("check " FIELD_SYSFS " pairs");
if (match_sysfs_pairs(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_SYSFS " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_SYSFS " matches");
}
apply_format(udev, dev->program);
if (execute_program(dev->program, udev->program_result, NAME_SIZE) != 0) {
dbg(FIELD_PROGRAM " returned nozero");
- continue;
+ goto no_good;
} else {
dbg(FIELD_PROGRAM " returned successful");
}
dev->result, udev->program_result);
if (strcmp_pattern(dev->result, udev->program_result) != 0) {
dbg(FIELD_RESULT " is not matching");
- continue;
+ goto no_good;
} else {
dbg(FIELD_RESULT " matches");
}
return -1;
}
- /* Yup, this rule belongs to us! */
- dbg("found matching rule, '%s' becomes '%s'", dev->kernel, dev->name);
- strfieldcpy(udev->name, dev->name);
- strfieldcpy(udev->symlink, dev->symlink);
- goto found;
+ /* Yeah, we matched! */
+ return 0;
+
+no_good:
+ sysfs_device = sysfs_get_device_parent(sysfs_device);
+ if (sysfs_device == NULL)
+ return -ENODEV;
+ dbg("sysfs_device->path='%s'", sysfs_device->path);
+ dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+ dbg("sysfs_device->bus='%s'", sysfs_device->bus);
+ }
+
+}
+
+int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+ struct sysfs_device *sysfs_device = NULL;
+ struct config_device *dev;
+ struct perm_device *perm;
+ char *pos;
+
+ udev->mode = 0;
+
+ /* find the sysfs_device associated with this class device */
+ sysfs_device = get_sysfs_device(class_dev);
+ if (sysfs_device) {
+ dbg("sysfs_device->path='%s'", sysfs_device->path);
+ dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+ dbg("sysfs_device->bus='%s'", sysfs_device->bus);
+ strfieldcpy(udev->bus_id, sysfs_device->bus_id);
+ wait_for_device_to_initialize(sysfs_device);
+ } else {
+ dbg("class_dev->name = '%s'", class_dev->name);
+ }
+
+ strfieldcpy(udev->kernel_name, class_dev->name);
+
+ /* get kernel number */
+ pos = class_dev->name + strlen(class_dev->name);
+ while (isdigit(*(pos-1)))
+ pos--;
+ strfieldcpy(udev->kernel_number, pos);
+ dbg("kernel_number='%s'", udev->kernel_number);
+
+ /* look for a matching rule to apply */
+ list_for_each_entry(dev, &config_device_list, node) {
+ dbg("process rule");
+
+ if (match_rule(dev, class_dev, udev, sysfs_device) == 0) {
+ /* Yup, this rule belongs to us! */
+ info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
+ udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
+ strfieldcpy(udev->name, dev->name);
+ strfieldcpy(udev->symlink, dev->symlink);
+ goto found;
+ }
}
/* no rule was found so we use the kernel name */
strfieldcpy(udev->group, perm->group);
} else {
/* no matching perms found :( */
- udev->mode = get_default_mode(class_dev);
- udev->owner[0] = 0x00;
- udev->group[0] = 0x00;
+ udev->mode = get_default_mode();
+ strncpy(udev->owner, get_default_owner(), OWNER_SIZE);
+ strncpy(udev->group, get_default_group(), GROUP_SIZE);
}
dbg("name, '%s' is going to have owner='%s', group='%s', mode = %#o",
udev->name, udev->owner, udev->group, udev->mode);
~ianmdlvl / elogind.git / blobdiff