-/*
- * libudev - interface to udev device information
- *
- * Copyright (C) 2008-2010 Kay Sievers <kay.sievers@vrfy.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- */
+/***
+ This file is part of systemd.
+
+ Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
#include <stdio.h>
#include <stdlib.h>
const char *sysnum;
char *devnode;
mode_t devnode_mode;
+ uid_t devnode_uid;
+ gid_t devnode_gid;
char *subsystem;
char *devtype;
char *driver;
struct udev_list sysattr_list;
struct udev_list tags_list;
unsigned long long int seqnum;
- unsigned long long int usec_initialized;
+ usec_t usec_initialized;
int devlink_priority;
int refcount;
dev_t devnum;
return 0;
}
-static int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem)
+int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem)
{
free(udev_device->subsystem);
udev_device->subsystem = strdup(subsystem);
return 0;
}
+uid_t udev_device_get_devnode_uid(struct udev_device *udev_device)
+{
+ if (!udev_device->info_loaded)
+ udev_device_read_uevent_file(udev_device);
+ return udev_device->devnode_uid;
+}
+
+static int udev_device_set_devnode_uid(struct udev_device *udev_device, uid_t uid)
+{
+ char num[32];
+
+ udev_device->devnode_uid = uid;
+ snprintf(num, sizeof(num), "%u", uid);
+ udev_device_add_property(udev_device, "DEVUID", num);
+ return 0;
+}
+
+gid_t udev_device_get_devnode_gid(struct udev_device *udev_device)
+{
+ if (!udev_device->info_loaded)
+ udev_device_read_uevent_file(udev_device);
+ return udev_device->devnode_gid;
+}
+
+static int udev_device_set_devnode_gid(struct udev_device *udev_device, gid_t gid)
+{
+ char num[32];
+
+ udev_device->devnode_gid = gid;
+ snprintf(num, sizeof(num), "%u", gid);
+ udev_device_add_property(udev_device, "DEVGID", num);
+ return 0;
+}
+
struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value)
{
udev_device->envp_uptodate = false;
next = strchr(slink, ' ');
while (next != NULL) {
next[0] = '\0';
- udev_device_add_devlink(udev_device, slink, 0);
+ udev_device_add_devlink(udev_device, slink);
slink = &next[1];
next = strchr(slink, ' ');
}
if (slink[0] != '\0')
- udev_device_add_devlink(udev_device, slink, 0);
+ udev_device_add_devlink(udev_device, slink);
} else if (startswith(property, "TAGS=")) {
char tags[UTIL_PATH_SIZE];
char *next;
udev_device_set_ifindex(udev_device, strtoull(&property[8], NULL, 10));
} else if (startswith(property, "DEVMODE=")) {
udev_device_set_devnode_mode(udev_device, strtoul(&property[8], NULL, 8));
+ } else if (startswith(property, "DEVUID=")) {
+ udev_device_set_devnode_uid(udev_device, strtoul(&property[7], NULL, 10));
+ } else if (startswith(property, "DEVGID=")) {
+ udev_device_set_devnode_gid(udev_device, strtoul(&property[7], NULL, 10));
} else {
udev_device_add_property_from_string(udev_device, property);
}
switch(line[0]) {
case 'S':
util_strscpyl(filename, sizeof(filename), "/dev/", val, NULL);
- udev_device_add_devlink(udev_device, filename, 0);
+ udev_device_add_devlink(udev_device, filename);
break;
case 'L':
udev_device_set_devlink_priority(udev_device, atoi(val));
*
* Get the instance number of the device.
*
- * Returns: the trailing number string of of the device name
+ * Returns: the trailing number string of the device name
**/
_public_ const char *udev_device_get_sysnum(struct udev_device *udev_device)
{
**/
_public_ unsigned long long int udev_device_get_usec_since_initialized(struct udev_device *udev_device)
{
- unsigned long long now_ts;
+ usec_t now_ts;
if (udev_device == NULL)
return 0;
udev_device_read_db(udev_device, NULL);
if (udev_device->usec_initialized == 0)
return 0;
- now_ts = now_usec();
+ now_ts = now(CLOCK_MONOTONIC);
if (now_ts == 0)
return 0;
return now_ts - udev_device->usec_initialized;
}
-unsigned long long udev_device_get_usec_initialized(struct udev_device *udev_device)
+usec_t udev_device_get_usec_initialized(struct udev_device *udev_device)
{
return udev_device->usec_initialized;
}
-void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned long long usec_initialized)
+void udev_device_set_usec_initialized(struct udev_device *udev_device, usec_t usec_initialized)
{
char num[32];
udev_device->usec_initialized = usec_initialized;
- snprintf(num, sizeof(num), "%llu", usec_initialized);
+ snprintf(num, sizeof(num), "%llu", (unsigned long long)usec_initialized);
udev_device_add_property(udev_device, "USEC_INITIALIZED", num);
}
goto out;
}
- /* resolve link to a device and return its syspath */
- util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL);
- dev = udev_device_new_from_syspath(udev_device->udev, path);
- if (dev != NULL) {
- list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr,
- udev_device_get_syspath(dev));
- val = udev_list_entry_get_value(list_entry);
- udev_device_unref(dev);
+ /* resolve custom link to a device and return its syspath */
+ if (!streq(sysattr, "device")) {
+ util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL);
+ dev = udev_device_new_from_syspath(udev_device->udev, path);
+ if (dev != NULL) {
+ list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr,
+ udev_device_get_syspath(dev));
+ val = udev_list_entry_get_value(list_entry);
+ udev_device_unref(dev);
+ }
}
-
goto out;
}
return 0;
}
-int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink, int unique)
+int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink)
{
struct udev_list_entry *list_entry;
list_entry = udev_list_entry_add(&udev_device->devlinks_list, devlink, NULL);
if (list_entry == NULL)
return -ENOMEM;
- if (unique)
- udev_list_entry_set_num(list_entry, true);
return 0;
}