[thirdparty/systemd.git] / udev_add.c

/*
 * udev-add.c
 *
 * Userspace devfs
 *
 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
 *
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the
 *	Free Software Foundation version 2 of the License.
 * 
 *	This program 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
 *	General Public License for more details.
 * 
 *	You should have received a copy of the GNU General Public License along
 *	with this program; if not, write to the Free Software Foundation, Inc.,
 *	675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <grp.h>
#include <net/if.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <linux/sockios.h>

#include "libsysfs/sysfs/libsysfs.h"
#include "udev_libc_wrapper.h"
#include "udev.h"
#include "udev_utils.h"
#include "udev_sysfs.h"
#include "udev_version.h"
#include "logging.h"
#include "udev_rules.h"
#include "udev_db.h"
#include "udev_selinux.h"


int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid)
{
	struct stat stats;
	int retval = 0;

	if (stat(file, &stats) != 0)
		goto create;

	/* preserve node with already correct numbers, to not change the inode number */
	if (((stats.st_mode & S_IFMT) == S_IFBLK || (stats.st_mode & S_IFMT) == S_IFCHR) &&
	    (stats.st_rdev == devt)) {
		info("preserve file '%s', cause it has correct dev_t", file);
		selinux_setfilecon(file, udev->kernel_name, stats.st_mode);
		goto perms;
	}

	if (unlink(file) != 0)
		dbg("unlink(%s) failed with error '%s'", file, strerror(errno));
	else
		dbg("already present file '%s' unlinked", file);

create:
	switch (udev->type) {
	case DEV_BLOCK:
		mode |= S_IFBLK;
		break;
	case DEV_CLASS:
		mode |= S_IFCHR;
		break;
	default:
		dbg("unknown node type %c\n", udev->type);
		return -EINVAL;
	}

	selinux_setfscreatecon(file, udev->kernel_name, mode);
	retval = mknod(file, mode, devt);
	selinux_resetfscreatecon();
	if (retval != 0) {
		err("mknod(%s, %#o, %u, %u) failed with error '%s'",
		    file, mode, major(devt), minor(devt), strerror(errno));
		goto exit;
	}

perms:
	dbg("chmod(%s, %#o)", file, mode);
	if (chmod(file, mode) != 0) {
		dbg("chmod(%s, %#o) failed with error '%s'", file, mode, strerror(errno));
		goto exit;
	}

	if (uid != 0 || gid != 0) {
		dbg("chown(%s, %u, %u)", file, uid, gid);
		if (chown(file, uid, gid) != 0) {
			dbg("chown(%s, %u, %u) failed with error '%s'",
			    file, uid, gid, strerror(errno));
			goto exit;
		}
	}

exit:
	return retval;
}

static int create_node(struct udevice *udev, struct sysfs_class_device *class_dev)
{
	char filename[PATH_SIZE];
	char partitionname[PATH_SIZE];
	struct name_entry *name_loop;
	uid_t uid;
	gid_t gid;
	int tail;
	int i;

	snprintf(filename, sizeof(filename), "%s/%s", udev_root, udev->name);
	filename[sizeof(filename)-1] = '\0';

	/* create parent directories if needed */
	if (strchr(udev->name, '/'))
		create_path(filename);

	if (strcmp(udev->owner, "root") == 0)
		uid = 0;
	else {
		char *endptr;
		unsigned long id;

		id = strtoul(udev->owner, &endptr, 10);
		if (endptr[0] == '\0')
			uid = (uid_t) id;
		else
			uid = lookup_user(udev->owner);
	}

	if (strcmp(udev->group, "root") == 0)
		gid = 0;
	else {
		char *endptr;
		unsigned long id;

		id = strtoul(udev->group, &endptr, 10);
		if (endptr[0] == '\0')
			gid = (gid_t) id;
		else
			gid = lookup_group(udev->group);
	}

	if (!udev->test_run) {
		info("creating device node '%s'", filename);
		if (udev_make_node(udev, filename, udev->devt, udev->mode, uid, gid) != 0)
			goto error;
	} else {
		info("creating device node '%s', major = '%d', minor = '%d', "
		     "mode = '%#o', uid = '%d', gid = '%d'", filename,
		     major(udev->devt), minor(udev->devt), udev->mode, uid, gid);
	}

	/* create all_partitions if requested */
	if (udev->partitions) {
		struct sysfs_attribute *attr;
		int range;

		/* take the maximum registered minor range */
		attr = sysfs_get_classdev_attr(class_dev, "range");
		if (attr) {
			range = atoi(attr->value);
			if (range > 1)
				udev->partitions = range-1;
		}
		info("creating device partition nodes '%s[1-%i]'", filename, udev->partitions);
		if (!udev->test_run) {
			for (i = 1; i <= udev->partitions; i++) {
				dev_t part_devt;

				snprintf(partitionname, sizeof(partitionname), "%s%d", filename, i);
				partitionname[sizeof(partitionname)-1] = '\0';
				part_devt = makedev(major(udev->devt), minor(udev->devt) + i);
				udev_make_node(udev, partitionname, part_devt, udev->mode, uid, gid);
			}
		}
	}

	/* create symlink(s) if requested */
	list_for_each_entry(name_loop, &udev->symlink_list, node) {
		int retval;
		char linktarget[PATH_SIZE];

		snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
		filename[sizeof(filename)-1] = '\0';

		dbg("symlink '%s' to node '%s' requested", filename, udev->name);
		if (!udev->test_run)
			if (strchr(filename, '/'))
				create_path(filename);

		/* optimize relative link */
		linktarget[0] = '\0';
		i = 0;
		tail = 0;
		while (udev->name[i] && (udev->name[i] == name_loop->name[i])) {
			if (udev->name[i] == '/')
				tail = i+1;
			i++;
		}
		while (name_loop->name[i] != '\0') {
			if (name_loop->name[i] == '/')
				strlcat(linktarget, "../", sizeof(linktarget));
			i++;
		}

		strlcat(linktarget, &udev->name[tail], sizeof(linktarget));

		dbg("symlink(%s, %s)", linktarget, filename);
		if (!udev->test_run) {
			unlink(filename);
			selinux_setfscreatecon(filename, NULL, S_IFLNK);
			retval = symlink(linktarget, filename);
			selinux_resetfscreatecon();
			if (retval != 0)
				dbg("symlink(%s, %s) failed with error '%s'",
				    linktarget, filename, strerror(errno));
		}
	}

	return 0;
error:
	return -1;
}

static int rename_net_if(struct udevice *udev)
{
	int sk;
	struct ifreq ifr;
	int retval;

	info("changing net interface name from '%s' to '%s'", udev->kernel_name, udev->name);
	if (udev->test_run)
		return 0;

	sk = socket(PF_INET, SOCK_DGRAM, 0);
	if (sk < 0) {
		dbg("error opening socket");
		return -1;
	}

	memset(&ifr, 0x00, sizeof(struct ifreq));
	strlcpy(ifr.ifr_name, udev->kernel_name, IFNAMSIZ);
	strlcpy(ifr.ifr_newname, udev->name, IFNAMSIZ);

	retval = ioctl(sk, SIOCSIFNAME, &ifr);
	if (retval != 0)
		dbg("error changing net interface name");
	close(sk);

	return retval;
}

int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev)
{
	char *pos;
	int retval = 0;

	if (udev->type == DEV_BLOCK || udev->type == DEV_CLASS) {
		udev->devt = get_devt(class_dev);
		if (!udev->devt) {
			dbg("no dev-file found, do nothing");
			return 0;
		}
	}

	udev_rules_get_name(udev, class_dev);
	if (udev->ignore_device) {
		dbg("device event will be ignored");
		return 0;
	}

	dbg("adding name='%s'", udev->name);

	selinux_init();

	if (udev->type == DEV_BLOCK || udev->type == DEV_CLASS) {
		retval = create_node(udev, class_dev);
		if (retval != 0)
			goto exit;

		if (udev_db_add_device(udev) != 0)
			dbg("udev_db_add_dev failed, but we create the node anyway, "
			    "remove might not work for custom names");

		/* use full path to the environment */
		snprintf(udev->devname, sizeof(udev->devname), "%s/%s", udev_root, udev->name);
		udev->devname[sizeof(udev->devname)-1] = '\0';

	} else if (udev->type == DEV_NET) {
		/* look if we want to change the name of the netif */
		if (strcmp(udev->name, udev->kernel_name) != 0) {
			retval = rename_net_if(udev);
			if (retval != 0)
				goto exit;

			/* we've changed the name, now fake the devpath, cause the
			 * original kernel name sleeps with the fishes and we don't
			 * get an event from the kernel with the new name
			 */
			pos = strrchr(udev->devpath, '/');
			if (pos != NULL) {
				pos[1] = '\0';
				strlcat(udev->devpath, udev->name, sizeof(udev->devpath));
				setenv("DEVPATH", udev->devpath, 1);
				setenv("INTERFACE", udev->name, 1);
			}

			/* use netif name for the environment */
			strlcpy(udev->devname, udev->name, sizeof(udev->devname));
		}
	}

exit:
	selinux_exit();

	return retval;
}
Commit	Line	Data
ea733a2f GKH	1	/*
	2	* udev-add.c
	3	*
	4	* Userspace devfs
	5	*
	6	* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
	7	*
	8	*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms of the GNU General Public License as published by the
	11	* Free Software Foundation version 2 of the License.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License along
	19	* with this program; if not, write to the Free Software Foundation, Inc.,
	20	* 675 Mass Ave, Cambridge, MA 02139, USA.
	21	*
	22	*/
	23
	24	#include <stdlib.h>
	25	#include <string.h>
	26	#include <stdio.h>
	27	#include <fcntl.h>
	28	#include <unistd.h>
	29	#include <errno.h>
32ff5bca	30	#include <sys/stat.h>
10950dfe GKH	31	#include <sys/types.h>
10950dfe GKH	32	#include <grp.h>
f61d732a KS	33	#include <net/if.h>
	34	#include <sys/socket.h>
	35	#include <sys/ioctl.h>
	36	#include <linux/sockios.h>
ea733a2f	37
c80da508	38	#include "libsysfs/sysfs/libsysfs.h"
57e1a277	39	#include "udev_libc_wrapper.h"
ea733a2f	40	#include "udev.h"
9af5bb2f	41	#include "udev_utils.h"
7e720bd4	42	#include "udev_sysfs.h"
ea733a2f	43	#include "udev_version.h"
54988802	44	#include "logging.h"
e5e322bc	45	#include "udev_rules.h"
02fa9ae5	46	#include "udev_db.h"
fbda4a34	47	#include "udev_selinux.h"
9825617b	48
ea733a2f	49
7e720bd4	50	int udev_make_node(struct udevice udev, const char file, dev_t devt, mode_t mode, uid_t uid, gid_t gid)
50e5de03	51	{
49747bdc KS	52	struct stat stats;
	53	int retval = 0;
	54
	55	if (stat(file, &stats) != 0)
	56	goto create;
	57
	58	/* preserve node with already correct numbers, to not change the inode number */
	59	if (((stats.st_mode & S_IFMT) == S_IFBLK \|\| (stats.st_mode & S_IFMT) == S_IFCHR) &&
7e720bd4	60	(stats.st_rdev == devt)) {
6b493a20	61	info("preserve file '%s', cause it has correct dev_t", file);
fbda4a34	62	selinux_setfilecon(file, udev->kernel_name, stats.st_mode);
49747bdc KS	63	goto perms;
	64	}
	65
	66	if (unlink(file) != 0)
	67	dbg("unlink(%s) failed with error '%s'", file, strerror(errno));
	68	else
	69	dbg("already present file '%s' unlinked", file);
50e5de03	70
49747bdc	71	create:
6a24dc74	72	switch (udev->type) {
e6764498	73	case DEV_BLOCK:
6a24dc74 KS	74	mode \|= S_IFBLK;
6a24dc74 KS	75	break;
e6764498	76	case DEV_CLASS:
6a24dc74 KS	77	mode \|= S_IFCHR;
6a24dc74 KS	78	break;
6a24dc74 KS	79	default:
	80	dbg("unknown node type %c\n", udev->type);
	81	return -EINVAL;
	82	}
	83
fbda4a34	84	selinux_setfscreatecon(file, udev->kernel_name, mode);
7e720bd4	85	retval = mknod(file, mode, devt);
4d772639	86	selinux_resetfscreatecon();
50e5de03	87	if (retval != 0) {
6b493a20	88	err("mknod(%s, %#o, %u, %u) failed with error '%s'",
7e720bd4	89	file, mode, major(devt), minor(devt), strerror(errno));
bbbe503e	90	goto exit;
50e5de03 KS	91	}
50e5de03 KS	92
49747bdc KS	93	perms:
	94	dbg("chmod(%s, %#o)", file, mode);
	95	if (chmod(file, mode) != 0) {
	96	dbg("chmod(%s, %#o) failed with error '%s'", file, mode, strerror(errno));
bbbe503e	97	goto exit;
50e5de03 KS	98	}
	99
	100	if (uid != 0 \|\| gid != 0) {
49747bdc KS	101	dbg("chown(%s, %u, %u)", file, uid, gid);
49747bdc KS	102	if (chown(file, uid, gid) != 0) {
50e5de03	103	dbg("chown(%s, %u, %u) failed with error '%s'",
49747bdc	104	file, uid, gid, strerror(errno));
bbbe503e	105	goto exit;
50e5de03 KS	106	}
	107	}
	108
bbbe503e KS	109	exit:
bbbe503e KS	110	return retval;
50e5de03 KS	111	}
50e5de03 KS	112
6d564166	113	static int create_node(struct udevice udev, struct sysfs_class_device class_dev)
97853b4f	114	{
63f61c5c KS	115	char filename[PATH_SIZE];
63f61c5c KS	116	char partitionname[PATH_SIZE];
e48fc108	117	struct name_entry *name_loop;
783272f0 KS	118	uid_t uid;
783272f0 KS	119	gid_t gid;
3d150dfb	120	int tail;
e48fc108	121	int i;
3d150dfb	122
63f61c5c KS	123	snprintf(filename, sizeof(filename), "%s/%s", udev_root, udev->name);
63f61c5c KS	124	filename[sizeof(filename)-1] = '\0';
5840bc63	125
3d150dfb	126	/* create parent directories if needed */
6a24dc74	127	if (strchr(udev->name, '/'))
3d150dfb	128	create_path(filename);
218eae87	129
783272f0 KS	130	if (strcmp(udev->owner, "root") == 0)
	131	uid = 0;
	132	else {
c19a6b30	133	char *endptr;
783272f0	134	unsigned long id;
6d564166	135
783272f0	136	id = strtoul(udev->owner, &endptr, 10);
765cbd97	137	if (endptr[0] == '\0')
c19a6b30	138	uid = (uid_t) id;
57e1a277 KS	139	else
57e1a277 KS	140	uid = lookup_user(udev->owner);
c19a6b30 KS	141	}
c19a6b30 KS	142
783272f0 KS	143	if (strcmp(udev->group, "root") == 0)
	144	gid = 0;
	145	else {
c19a6b30	146	char *endptr;
783272f0	147	unsigned long id;
6d564166	148
783272f0	149	id = strtoul(udev->group, &endptr, 10);
765cbd97	150	if (endptr[0] == '\0')
c19a6b30	151	gid = (gid_t) id;
57e1a277	152	else
68c2c0b5	153	gid = lookup_group(udev->group);
c19a6b30 KS	154	}
c19a6b30 KS	155
7a947ce5	156	if (!udev->test_run) {
50e5de03	157	info("creating device node '%s'", filename);
7e720bd4	158	if (udev_make_node(udev, filename, udev->devt, udev->mode, uid, gid) != 0)
bbbe503e	159	goto error;
ab2e5bd9 GKH	160	} else {
	161	info("creating device node '%s', major = '%d', minor = '%d', "
	162	"mode = '%#o', uid = '%d', gid = '%d'", filename,
7e720bd4	163	major(udev->devt), minor(udev->devt), udev->mode, uid, gid);
ab2e5bd9	164	}
50e5de03	165
bbbe503e	166	/* create all_partitions if requested */
fd9efc00	167	if (udev->partitions) {
6d564166 KS	168	struct sysfs_attribute *attr;
	169	int range;
	170
	171	/* take the maximum registered minor range */
	172	attr = sysfs_get_classdev_attr(class_dev, "range");
	173	if (attr) {
	174	range = atoi(attr->value);
	175	if (range > 1)
	176	udev->partitions = range-1;
	177	}
7a947ce5 KS	178	info("creating device partition nodes '%s[1-%i]'", filename, udev->partitions);
	179	if (!udev->test_run) {
	180	for (i = 1; i <= udev->partitions; i++) {
7e720bd4 KS	181	dev_t part_devt;
7e720bd4 KS	182
63f61c5c KS	183	snprintf(partitionname, sizeof(partitionname), "%s%d", filename, i);
63f61c5c KS	184	partitionname[sizeof(partitionname)-1] = '\0';
15139b8a	185	part_devt = makedev(major(udev->devt), minor(udev->devt) + i);
7e720bd4	186	udev_make_node(udev, partitionname, part_devt, udev->mode, uid, gid);
ab2e5bd9	187	}
50e5de03	188	}
3d150dfb KS	189	}
3d150dfb KS	190
bbbe503e	191	/* create symlink(s) if requested */
e48fc108	192	list_for_each_entry(name_loop, &udev->symlink_list, node) {
4d772639	193	int retval;
63f61c5c	194	char linktarget[PATH_SIZE];
2b41e68a	195
63f61c5c KS	196	snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
63f61c5c KS	197	filename[sizeof(filename)-1] = '\0';
2b41e68a	198
7a947ce5 KS	199	dbg("symlink '%s' to node '%s' requested", filename, udev->name);
7a947ce5 KS	200	if (!udev->test_run)
e48fc108	201	if (strchr(filename, '/'))
9fe3f9a9 KS	202	create_path(filename);
	203
	204	/* optimize relative link */
	205	linktarget[0] = '\0';
	206	i = 0;
	207	tail = 0;
e48fc108	208	while (udev->name[i] && (udev->name[i] == name_loop->name[i])) {
7a947ce5	209	if (udev->name[i] == '/')
9fe3f9a9 KS	210	tail = i+1;
	211	i++;
	212	}
e48fc108 KS	213	while (name_loop->name[i] != '\0') {
e48fc108 KS	214	if (name_loop->name[i] == '/')
63f61c5c	215	strlcat(linktarget, "../", sizeof(linktarget));
9fe3f9a9 KS	216	i++;
9fe3f9a9 KS	217	}
3d150dfb	218
63f61c5c	219	strlcat(linktarget, &udev->name[tail], sizeof(linktarget));
3d150dfb	220
9fe3f9a9	221	dbg("symlink(%s, %s)", linktarget, filename);
7a947ce5	222	if (!udev->test_run) {
7eb92135	223	unlink(filename);
024780c2	224	selinux_setfscreatecon(filename, NULL, S_IFLNK);
4d772639 GKH	225	retval = symlink(linktarget, filename);
	226	selinux_resetfscreatecon();
	227	if (retval != 0)
9fe3f9a9 KS	228	dbg("symlink(%s, %s) failed with error '%s'",
9fe3f9a9 KS	229	linktarget, filename, strerror(errno));
4763256c	230	}
c19a6b30 KS	231	}
c19a6b30 KS	232
bbbe503e KS	233	return 0;
	234	error:
	235	return -1;
ea733a2f GKH	236	}
ea733a2f GKH	237
7a947ce5	238	static int rename_net_if(struct udevice *udev)
f61d732a KS	239	{
	240	int sk;
	241	struct ifreq ifr;
	242	int retval;
	243
6b493a20	244	info("changing net interface name from '%s' to '%s'", udev->kernel_name, udev->name);
7a947ce5	245	if (udev->test_run)
bbbe503e KS	246	return 0;
bbbe503e KS	247
f61d732a KS	248	sk = socket(PF_INET, SOCK_DGRAM, 0);
	249	if (sk < 0) {
	250	dbg("error opening socket");
	251	return -1;
	252	}
	253
	254	memset(&ifr, 0x00, sizeof(struct ifreq));
63f61c5c KS	255	strlcpy(ifr.ifr_name, udev->kernel_name, IFNAMSIZ);
63f61c5c KS	256	strlcpy(ifr.ifr_newname, udev->name, IFNAMSIZ);
f61d732a	257
f61d732a KS	258	retval = ioctl(sk, SIOCSIFNAME, &ifr);
	259	if (retval != 0)
	260	dbg("error changing net interface name");
4a539daf	261	close(sk);
f61d732a KS	262
	263	return retval;
	264	}
	265
7a947ce5	266	int udev_add_device(struct udevice udev, struct sysfs_class_device class_dev)
ea733a2f	267	{
bbbe503e	268	char *pos;
707680b1	269	int retval = 0;
ea733a2f	270
e6764498	271	if (udev->type == DEV_BLOCK \|\| udev->type == DEV_CLASS) {
7e720bd4 KS	272	udev->devt = get_devt(class_dev);
7e720bd4 KS	273	if (!udev->devt) {
707680b1	274	dbg("no dev-file found, do nothing");
5d24c6ca	275	return 0;
f61d732a	276	}
ea733a2f GKH	277	}
ea733a2f GKH	278
821d0ec8 KS	279	udev_rules_get_name(udev, class_dev);
	280	if (udev->ignore_device) {
	281	dbg("device event will be ignored");
85a953c0	282	return 0;
821d0ec8	283	}
30defadd	284
7a947ce5	285	dbg("adding name='%s'", udev->name);
bbbe503e	286
9825617b	287	selinux_init();
5d24c6ca	288
e6764498	289	if (udev->type == DEV_BLOCK \|\| udev->type == DEV_CLASS) {
6d564166	290	retval = create_node(udev, class_dev);
c4603a07	291	if (retval != 0)
bbbe503e	292	goto exit;
9b28a52a	293
02fa9ae5 KS	294	if (udev_db_add_device(udev) != 0)
02fa9ae5 KS	295	dbg("udev_db_add_dev failed, but we create the node anyway, "
5d24c6ca	296	"remove might not work for custom names");
f61d732a	297
5d24c6ca	298	/* use full path to the environment */
63f61c5c KS	299	snprintf(udev->devname, sizeof(udev->devname), "%s/%s", udev_root, udev->name);
63f61c5c KS	300	udev->devname[sizeof(udev->devname)-1] = '\0';
5d24c6ca	301
e6764498	302	} else if (udev->type == DEV_NET) {
5d24c6ca	303	/* look if we want to change the name of the netif */
7a947ce5 KS	304	if (strcmp(udev->name, udev->kernel_name) != 0) {
7a947ce5 KS	305	retval = rename_net_if(udev);
c4603a07	306	if (retval != 0)
bbbe503e	307	goto exit;
5d24c6ca	308
eabfc973 KS	309	/* we've changed the name, now fake the devpath, cause the
	310	* original kernel name sleeps with the fishes and we don't
	311	* get an event from the kernel with the new name
bbbe503e	312	*/
7a947ce5	313	pos = strrchr(udev->devpath, '/');
bbbe503e KS	314	if (pos != NULL) {
bbbe503e KS	315	pos[1] = '\0';
63f61c5c	316	strlcat(udev->devpath, udev->name, sizeof(udev->devpath));
5d24c6ca	317	setenv("DEVPATH", udev->devpath, 1);
eabfc973	318	setenv("INTERFACE", udev->name, 1);
bbbe503e	319	}
9b28a52a	320
5d24c6ca	321	/* use netif name for the environment */
63f61c5c	322	strlcpy(udev->devname, udev->name, sizeof(udev->devname));
5d24c6ca	323	}
f61d732a	324	}
ea733a2f GKH	325
ea733a2f GKH	326	exit:
4d772639	327	selinux_exit();
30defadd	328
ea733a2f GKH	329	return retval;
ea733a2f GKH	330	}