[thirdparty/systemd.git] / namedev.c

/*
 * namedev.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 <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>

#include "list.h"
#include "udev.h"
#include "udev_version.h"
#include "namedev.h"

#define TYPE_LABEL	"LABEL"
#define TYPE_NUMBER	"NUMBER"
#define TYPE_TOPOLOGY	"TOPOLOGY"
#define TYPE_REPLACE	"REPLACE"

enum config_type {
	KERNEL_NAME	= 0,	/* must be 0 to let memset() default to this value */
	LABEL		= 1,
	NUMBER		= 2,
	TOPOLOGY	= 3,
	REPLACE		= 4,
};

#define BUS_SIZE	30
#define FILE_SIZE	50
#define VALUE_SIZE	100
#define ID_SIZE		50
#define PLACE_SIZE	50
#define NAME_SIZE	100
#define OWNER_SIZE	30
#define GROUP_SIZE	30


struct config_device {
	struct list_head node;

	enum config_type type;

	char bus[BUS_SIZE];
	char sysfs_file[FILE_SIZE];
	char sysfs_value[VALUE_SIZE];
	char id[ID_SIZE];
	char place[PLACE_SIZE];
	char kernel_name[NAME_SIZE];
	
	/* what to set the device to */
	int mode;
	char name[NAME_SIZE];
	char owner[OWNER_SIZE];
	char group[GROUP_SIZE];
};


static LIST_HEAD(config_device_list);

static void dump_dev(struct config_device *dev)
{
	switch (dev->type) {
	case KERNEL_NAME:
		dbg("KERNEL name ='%s'"
			" owner = '%s', group = '%s', mode = '%d'", 
			dev->name, 
			dev->owner, dev->group, dev->mode);
		break;
	case LABEL:
		dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
			" owner = '%s', group = '%s', mode = '%d'",
			dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value,
			dev->owner, dev->group, dev->mode);
		break;
	case NUMBER:
		dbg("NUMBER name = '%s', bus = '%s', id = '%s'"
			" owner = '%s', group = '%s', mode = '%d'",
			dev->name, dev->bus, dev->id,
			dev->owner, dev->group, dev->mode);
		break;
	case TOPOLOGY:
		dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
			" owner = '%s', group = '%s', mode = '%d'",
			dev->name, dev->bus, dev->place,
			dev->owner, dev->group, dev->mode);
		break;
	case REPLACE:
		dbg("REPLACE name = %s, kernel_name = %s"
			" owner = '%s', group = '%s', mode = '%d'",
			dev->name, dev->kernel_name,
			dev->owner, dev->group, dev->mode);
		break;
	default:
		dbg("Unknown type of device!");
	}
}

#define copy_var(a, b, var)		\
	if (b->var)			\
		a->var = b->var;

#define copy_string(a, b, var)		\
	if (strlen(b->var))		\
		strcpy(a->var, b->var);

static int add_dev(struct config_device *new_dev)
{
	struct list_head *tmp;
	struct config_device *tmp_dev;

	/* loop through the whole list of devices to see if we already have
	 * this one... */
	list_for_each(tmp, &config_device_list) {
		struct config_device *dev = list_entry(tmp, struct config_device, node);
		if (strcmp(dev->name, new_dev->name) == 0) {
			/* the same, copy the new info into this structure */
			copy_var(dev, new_dev, type);
			copy_var(dev, new_dev, mode);
			copy_string(dev, new_dev, bus);
			copy_string(dev, new_dev, sysfs_file);
			copy_string(dev, new_dev, sysfs_value);
			copy_string(dev, new_dev, id);
			copy_string(dev, new_dev, place);
			copy_string(dev, new_dev, kernel_name);
			copy_string(dev, new_dev, owner);
			copy_string(dev, new_dev, group);
			return 0;
		}
	}

	/* not found, lets create a new structure, and add it to the list */
	tmp_dev = malloc(sizeof(*tmp_dev));
	if (!tmp_dev)
		return -ENOMEM;
	memcpy(tmp_dev, new_dev, sizeof(*tmp_dev));
	list_add(&tmp_dev->node, &config_device_list);
	//dump_dev(tmp_dev);
	return 0;
}

static void dump_dev_list(void)
{
	struct list_head *tmp;

	list_for_each(tmp, &config_device_list) {
		struct config_device *dev = list_entry(tmp, struct config_device, node);
		dump_dev(dev);
	}
}

static int get_value(const char *left, char **orig_string, char **ret_string)
{
	char *temp;
	char *string = *orig_string;

	/* eat any whitespace */
	while (isspace(*string))
		++string;

	/* split based on '=' */
	temp = strsep(&string, "=");
	if (strcasecmp(temp, left) == 0) {
		/* got it, now strip off the '"' */
		while (isspace(*string))
			++string;
		if (*string == '"')
			++string;
		temp = strsep(&string, "\"");
		*ret_string = temp;
		*orig_string = string;
		return 0;
	}
	return -ENODEV;
}
	
static int get_pair(char **orig_string, char **left, char **right)
{
	char *temp;
	char *string = *orig_string;

	/* eat any whitespace */
	while (isspace(*string))
		++string;

	/* split based on '=' */
	temp = strsep(&string, "=");
	*left = temp;

	/* take the right side and strip off the '"' */
	while (isspace(*string))
		++string;
	if (*string == '"')
		++string;
	temp = strsep(&string, "\"");
	*right = temp;
	*orig_string = string;
	
	return 0;
}

static int namedev_init_config(void)
{
	char filename[255];
	char line[255];
	char *temp;
	char *temp2;
	char *temp3;
	FILE *fd;
	int retval = 0;
	struct config_device dev;

	strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_FILE);
	dbg("opening %s to read as permissions config", filename);
	fd = fopen(filename, "r");
	if (fd == NULL) {
		dbg("Can't open %s", filename);
		return -ENODEV;
	}

	/* loop through the whole file */
	while (1) {
		/* get a line */
		temp = fgets(line, sizeof(line), fd);
		if (temp == NULL)
			break;

		dbg("read %s", temp);

		/* eat the whitespace at the beginning of the line */
		while (isspace(*temp))
			++temp;

		/* no more line? */
		if (*temp == 0x00)
			continue;

		/* see if this is a comment */
		if (*temp == COMMENT_CHARACTER)
			continue;

		memset(&dev, 0x00, sizeof(struct config_device));

		/* parse the line */
		temp2 = strsep(&temp, ",");
		if (strcasecmp(temp2, TYPE_LABEL) == 0) {
			/* label type */
			dev.type = LABEL;

			/* BUS="bus" */
			retval = get_value("BUS", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.bus, temp3);

			/* file="value" */
			temp2 = strsep(&temp, ",");
			retval = get_pair(&temp, &temp2, &temp3);
			if (retval)
				continue;
			strcpy(dev.sysfs_file, temp2);
			strcpy(dev.sysfs_value, temp3);

			/* NAME="new_name" */
			temp2 = strsep(&temp, ",");
			retval = get_value("NAME", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.name, temp3);

			dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.name, dev.bus, dev.sysfs_file, dev.sysfs_value);
		}

		if (strcasecmp(temp2, TYPE_NUMBER) == 0) {
			/* number type */
			dev.type = NUMBER;

			/* BUS="bus" */
			retval = get_value("BUS", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.bus, temp3);

			/* ID="id" */
			temp2 = strsep(&temp, ",");
			retval = get_value("id", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.id, temp3);

			/* NAME="new_name" */
			temp2 = strsep(&temp, ",");
			retval = get_value("NAME", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.name, temp3);

			dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.name, dev.bus, dev.id);
		}

		if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
			/* number type */
			dev.type = TOPOLOGY;

			/* BUS="bus" */
			retval = get_value("BUS", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.bus, temp3);

			/* PLACE="place" */
			temp2 = strsep(&temp, ",");
			retval = get_value("place", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.place, temp3);

			/* NAME="new_name" */
			temp2 = strsep(&temp, ",");
			retval = get_value("NAME", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.name, temp3);

			dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.name, dev.bus, dev.place);
		}

		if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
			/* number type */
			dev.type = REPLACE;

			/* KERNEL="kernel_name" */
			retval = get_value("KERNEL", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.kernel_name, temp3);

			/* NAME="new_name" */
			temp2 = strsep(&temp, ",");
			retval = get_value("NAME", &temp, &temp3);
			if (retval)
				continue;
			strcpy(dev.name, temp3);
			dbg("REPLACE name = %s, kernel_name = %s", dev.name, dev.kernel_name);
		}

		retval = add_dev(&dev);
		if (retval) {
			dbg("add_dev returned with error %d", retval);
			goto exit;
		}
	}

exit:
	fclose(fd);
	return retval;
}	


static int namedev_init_permissions(void)
{
	char filename[255];
	char line[255];
	char *temp;
	char *temp2;
	FILE *fd;
	int retval = 0;
	struct config_device dev;

	strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_PERMISSION_FILE);
	dbg("opening %s to read as permissions config", filename);
	fd = fopen(filename, "r");
	if (fd == NULL) {
		dbg("Can't open %s", filename);
		return -ENODEV;
	}

	/* loop through the whole file */
	while (1) {
		/* get a line */
		temp = fgets(line, sizeof(line), fd);
		if (temp == NULL)
			break;

		dbg("read %s", temp);

		/* eat the whitespace at the beginning of the line */
		while (isspace(*temp))
			++temp;

		/* no more line? */
		if (*temp == 0x00)
			continue;

		/* see if this is a comment */
		if (*temp == COMMENT_CHARACTER)
			continue;

		memset(&dev, 0x00, sizeof(dev));

		/* parse the line */
		temp2 = strsep(&temp, ":");
		strncpy(dev.name, temp2, sizeof(dev.name));

		temp2 = strsep(&temp, ":");
		strncpy(dev.owner, temp2, sizeof(dev.owner));

		temp2 = strsep(&temp, ":");
		strncpy(dev.group, temp2, sizeof(dev.owner));

		dev.mode = strtol(temp, NULL, 8);

		dbg("name = %s, owner = %s, group = %s, mode = %x", dev.name, dev.owner, dev.group, dev.mode);
		retval = add_dev(&dev);
		if (retval) {
			dbg("add_dev returned with error %d", retval);
			goto exit;
		}
	}

exit:
	fclose(fd);
	return retval;
}	


int namedev_init(void)
{
	int retval;

	retval = namedev_init_config();
	if (retval)
		return retval;

	retval = namedev_init_permissions();
	if (retval)
		return retval;

	dump_dev_list();
	return retval;
}
Commit	Line	Data
2232cac8 GKH	1	/*
	2	* namedev.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 <stddef.h>
	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <stdio.h>
	28	#include <fcntl.h>
	29	#include <ctype.h>
	30	#include <unistd.h>
	31	#include <errno.h>
	32
	33	#include "list.h"
	34	#include "udev.h"
	35	#include "udev_version.h"
	36	#include "namedev.h"
	37
	38	#define TYPE_LABEL "LABEL"
	39	#define TYPE_NUMBER "NUMBER"
	40	#define TYPE_TOPOLOGY "TOPOLOGY"
	41	#define TYPE_REPLACE "REPLACE"
	42
	43	enum config_type {
	44	KERNEL_NAME = 0, /* must be 0 to let memset() default to this value */
	45	LABEL = 1,
	46	NUMBER = 2,
	47	TOPOLOGY = 3,
	48	REPLACE = 4,
	49	};
	50
	51	#define BUS_SIZE 30
	52	#define FILE_SIZE 50
	53	#define VALUE_SIZE 100
	54	#define ID_SIZE 50
	55	#define PLACE_SIZE 50
	56	#define NAME_SIZE 100
	57	#define OWNER_SIZE 30
	58	#define GROUP_SIZE 30
	59
	60
	61	struct config_device {
	62	struct list_head node;
	63
	64	enum config_type type;
65
66	char bus[BUS_SIZE];
67	char sysfs_file[FILE_SIZE];
68	char sysfs_value[VALUE_SIZE];
69	char id[ID_SIZE];
70	char place[PLACE_SIZE];
71	char kernel_name[NAME_SIZE];
72
73	/* what to set the device to */
74	int mode;
75	char name[NAME_SIZE];
76	char owner[OWNER_SIZE];
77	char group[GROUP_SIZE];
78	};
79
80
81	static LIST_HEAD(config_device_list);
82
469c7cff GKH	83	static void dump_dev(struct config_device *dev)
	84	{
	85	switch (dev->type) {
	86	case KERNEL_NAME:
	87	dbg("KERNEL name ='%s'"
	88	" owner = '%s', group = '%s', mode = '%d'",
	89	dev->name,
	90	dev->owner, dev->group, dev->mode);
	91	break;
	92	case LABEL:
	93	dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
	94	" owner = '%s', group = '%s', mode = '%d'",
	95	dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value,
	96	dev->owner, dev->group, dev->mode);
	97	break;
	98	case NUMBER:
	99	dbg("NUMBER name = '%s', bus = '%s', id = '%s'"
	100	" owner = '%s', group = '%s', mode = '%d'",
	101	dev->name, dev->bus, dev->id,
	102	dev->owner, dev->group, dev->mode);
	103	break;
	104	case TOPOLOGY:
	105	dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
	106	" owner = '%s', group = '%s', mode = '%d'",
	107	dev->name, dev->bus, dev->place,
	108	dev->owner, dev->group, dev->mode);
	109	break;
	110	case REPLACE:
	111	dbg("REPLACE name = %s, kernel_name = %s"
	112	" owner = '%s', group = '%s', mode = '%d'",
	113	dev->name, dev->kernel_name,
	114	dev->owner, dev->group, dev->mode);
	115	break;
	116	default:
	117	dbg("Unknown type of device!");
	118	}
	119	}
	120
2232cac8 GKH	121	#define copy_var(a, b, var) \
2232cac8 GKH	122	if (b->var) \
469c7cff	123	a->var = b->var;
2232cac8 GKH	124
	125	#define copy_string(a, b, var) \
	126	if (strlen(b->var)) \
469c7cff	127	strcpy(a->var, b->var);
2232cac8 GKH	128
	129	static int add_dev(struct config_device *new_dev)
	130	{
	131	struct list_head *tmp;
	132	struct config_device *tmp_dev;
	133
	134	/* loop through the whole list of devices to see if we already have
	135	* this one... */
	136	list_for_each(tmp, &config_device_list) {
	137	struct config_device *dev = list_entry(tmp, struct config_device, node);
	138	if (strcmp(dev->name, new_dev->name) == 0) {
	139	/* the same, copy the new info into this structure */
469c7cff GKH	140	copy_var(dev, new_dev, type);
	141	copy_var(dev, new_dev, mode);
	142	copy_string(dev, new_dev, bus);
	143	copy_string(dev, new_dev, sysfs_file);
	144	copy_string(dev, new_dev, sysfs_value);
	145	copy_string(dev, new_dev, id);
	146	copy_string(dev, new_dev, place);
	147	copy_string(dev, new_dev, kernel_name);
	148	copy_string(dev, new_dev, owner);
	149	copy_string(dev, new_dev, group);
2232cac8 GKH	150	return 0;
	151	}
	152	}
	153
	154	/* not found, lets create a new structure, and add it to the list */
	155	tmp_dev = malloc(sizeof(*tmp_dev));
	156	if (!tmp_dev)
	157	return -ENOMEM;
	158	memcpy(tmp_dev, new_dev, sizeof(*tmp_dev));
	159	list_add(&tmp_dev->node, &config_device_list);
469c7cff	160	//dump_dev(tmp_dev);
2232cac8 GKH	161	return 0;
	162	}
	163
469c7cff GKH	164	static void dump_dev_list(void)
	165	{
	166	struct list_head *tmp;
	167
	168	list_for_each(tmp, &config_device_list) {
	169	struct config_device *dev = list_entry(tmp, struct config_device, node);
	170	dump_dev(dev);
	171	}
	172	}
	173
2232cac8 GKH	174	static int get_value(const char left, char orig_string, char *ret_string)
	175	{
	176	char *temp;
	177	char string = orig_string;
	178
	179	/* eat any whitespace */
	180	while (isspace(*string))
	181	++string;
	182
	183	/* split based on '=' */
	184	temp = strsep(&string, "=");
	185	if (strcasecmp(temp, left) == 0) {
	186	/* got it, now strip off the '"' */
	187	while (isspace(*string))
	188	++string;
	189	if (*string == '"')
	190	++string;
	191	temp = strsep(&string, "\"");
	192	*ret_string = temp;
	193	*orig_string = string;
	194	return 0;
	195	}
	196	return -ENODEV;
	197	}
	198
469c7cff GKH	199	static int get_pair(char orig_string, char left, char **right)
	200	{
	201	char *temp;
	202	char string = orig_string;
	203
	204	/* eat any whitespace */
	205	while (isspace(*string))
	206	++string;
	207
	208	/* split based on '=' */
	209	temp = strsep(&string, "=");
	210	*left = temp;
	211
	212	/* take the right side and strip off the '"' */
	213	while (isspace(*string))
	214	++string;
	215	if (*string == '"')
	216	++string;
	217	temp = strsep(&string, "\"");
	218	*right = temp;
	219	*orig_string = string;
	220
	221	return 0;
	222	}
2232cac8 GKH	223
	224	static int namedev_init_config(void)
	225	{
	226	char filename[255];
	227	char line[255];
	228	char *temp;
	229	char *temp2;
	230	char *temp3;
	231	FILE *fd;
	232	int retval = 0;
	233	struct config_device dev;
	234
	235	strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_FILE);
	236	dbg("opening %s to read as permissions config", filename);
	237	fd = fopen(filename, "r");
	238	if (fd == NULL) {
	239	dbg("Can't open %s", filename);
	240	return -ENODEV;
	241	}
	242
	243	/* loop through the whole file */
	244	while (1) {
	245	/* get a line */
	246	temp = fgets(line, sizeof(line), fd);
	247	if (temp == NULL)
	248	break;
	249
	250	dbg("read %s", temp);
	251
	252	/* eat the whitespace at the beginning of the line */
	253	while (isspace(*temp))
	254	++temp;
	255
	256	/* no more line? */
	257	if (*temp == 0x00)
	258	continue;
	259
	260	/* see if this is a comment */
	261	if (*temp == COMMENT_CHARACTER)
	262	continue;
	263
469c7cff	264	memset(&dev, 0x00, sizeof(struct config_device));
2232cac8 GKH	265
	266	/* parse the line */
	267	temp2 = strsep(&temp, ",");
	268	if (strcasecmp(temp2, TYPE_LABEL) == 0) {
	269	/* label type */
	270	dev.type = LABEL;
	271
	272	/* BUS="bus" */
	273	retval = get_value("BUS", &temp, &temp3);
	274	if (retval)
	275	continue;
	276	strcpy(dev.bus, temp3);
469c7cff GKH	277
	278	/* file="value" */
	279	temp2 = strsep(&temp, ",");
	280	retval = get_pair(&temp, &temp2, &temp3);
	281	if (retval)
	282	continue;
	283	strcpy(dev.sysfs_file, temp2);
	284	strcpy(dev.sysfs_value, temp3);
	285
	286	/* NAME="new_name" */
	287	temp2 = strsep(&temp, ",");
	288	retval = get_value("NAME", &temp, &temp3);
	289	if (retval)
	290	continue;
	291	strcpy(dev.name, temp3);
	292
	293	dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.name, dev.bus, dev.sysfs_file, dev.sysfs_value);
2232cac8 GKH	294	}
	295
	296	if (strcasecmp(temp2, TYPE_NUMBER) == 0) {
	297	/* number type */
	298	dev.type = NUMBER;
	299
	300	/* BUS="bus" */
	301	retval = get_value("BUS", &temp, &temp3);
	302	if (retval)
	303	continue;
	304	strcpy(dev.bus, temp3);
469c7cff GKH	305
	306	/* ID="id" */
	307	temp2 = strsep(&temp, ",");
	308	retval = get_value("id", &temp, &temp3);
	309	if (retval)
	310	continue;
	311	strcpy(dev.id, temp3);
	312
	313	/* NAME="new_name" */
	314	temp2 = strsep(&temp, ",");
	315	retval = get_value("NAME", &temp, &temp3);
	316	if (retval)
	317	continue;
	318	strcpy(dev.name, temp3);
	319
	320	dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.name, dev.bus, dev.id);
2232cac8 GKH	321	}
	322
	323	if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
	324	/* number type */
	325	dev.type = TOPOLOGY;
	326
	327	/* BUS="bus" */
	328	retval = get_value("BUS", &temp, &temp3);
	329	if (retval)
	330	continue;
	331	strcpy(dev.bus, temp3);
469c7cff GKH	332
	333	/* PLACE="place" */
	334	temp2 = strsep(&temp, ",");
	335	retval = get_value("place", &temp, &temp3);
	336	if (retval)
	337	continue;
	338	strcpy(dev.place, temp3);
	339
	340	/* NAME="new_name" */
	341	temp2 = strsep(&temp, ",");
	342	retval = get_value("NAME", &temp, &temp3);
	343	if (retval)
	344	continue;
	345	strcpy(dev.name, temp3);
	346
	347	dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.name, dev.bus, dev.place);
2232cac8 GKH	348	}
	349
	350	if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
	351	/* number type */
	352	dev.type = REPLACE;
	353
	354	/* KERNEL="kernel_name" */
	355	retval = get_value("KERNEL", &temp, &temp3);
	356	if (retval)
	357	continue;
	358	strcpy(dev.kernel_name, temp3);
	359
	360	/* NAME="new_name" */
	361	temp2 = strsep(&temp, ",");
	362	retval = get_value("NAME", &temp, &temp3);
	363	if (retval)
	364	continue;
	365	strcpy(dev.name, temp3);
	366	dbg("REPLACE name = %s, kernel_name = %s", dev.name, dev.kernel_name);
	367	}
	368
	369	retval = add_dev(&dev);
	370	if (retval) {
	371	dbg("add_dev returned with error %d", retval);
	372	goto exit;
	373	}
	374	}
	375
	376	exit:
	377	fclose(fd);
	378	return retval;
	379	}
	380
	381
	382	static int namedev_init_permissions(void)
	383	{
	384	char filename[255];
	385	char line[255];
	386	char *temp;
	387	char *temp2;
	388	FILE *fd;
	389	int retval = 0;
	390	struct config_device dev;
	391
	392	strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_PERMISSION_FILE);
	393	dbg("opening %s to read as permissions config", filename);
	394	fd = fopen(filename, "r");
	395	if (fd == NULL) {
	396	dbg("Can't open %s", filename);
	397	return -ENODEV;
	398	}
	399
	400	/* loop through the whole file */
	401	while (1) {
	402	/* get a line */
	403	temp = fgets(line, sizeof(line), fd);
	404	if (temp == NULL)
	405	break;
	406
	407	dbg("read %s", temp);
	408
	409	/* eat the whitespace at the beginning of the line */
	410	while (isspace(*temp))
	411	++temp;
412
413	/* no more line? */
414	if (*temp == 0x00)
415	continue;
416
417	/* see if this is a comment */
418	if (*temp == COMMENT_CHARACTER)
419	continue;
420
421	memset(&dev, 0x00, sizeof(dev));
422
423	/* parse the line */
424	temp2 = strsep(&temp, ":");
425	strncpy(dev.name, temp2, sizeof(dev.name));
426
427	temp2 = strsep(&temp, ":");
428	strncpy(dev.owner, temp2, sizeof(dev.owner));
429
430	temp2 = strsep(&temp, ":");
431	strncpy(dev.group, temp2, sizeof(dev.owner));
432
433	dev.mode = strtol(temp, NULL, 8);
434
435	dbg("name = %s, owner = %s, group = %s, mode = %x", dev.name, dev.owner, dev.group, dev.mode);
436	retval = add_dev(&dev);
437	if (retval) {
438	dbg("add_dev returned with error %d", retval);
439	goto exit;
440	}
441	}
442
443	exit:
444	fclose(fd);
445	return retval;
446	}
447
448
449
450	int namedev_init(void)
451	{
452	int retval;
453
454	retval = namedev_init_config();
455	if (retval)
456	return retval;
457
458	retval = namedev_init_permissions();
459	if (retval)
460	return retval;
461
469c7cff	462	dump_dev_list();
2232cac8 GKH	463	return retval;
	464	}
	465