X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=namedev.c;h=24b9bc01ac2258f24fb85c67fb1a8c2fce5844cd;hp=ac05fd88e4d4e4cc31ddd2dbc44a40164cffab7c;hb=04a81cac0aab2ab6a54ddc661dd57be7d5b1595a;hpb=c2405f502cae4a634a25674306cffefb85df9ebb

diff --git a/namedev.c b/namedev.c
index ac05fd88e..24b9bc01a 100644
--- a/namedev.c
+++ b/namedev.c
@@ -45,6 +45,7 @@
 #define TYPE_TOPOLOGY	"TOPOLOGY"
 #define TYPE_REPLACE	"REPLACE"
 #define TYPE_CALLOUT	"CALLOUT"
+#define CALLOUT_MAXARG	8
 
 static LIST_HEAD(config_device_list);
 
@@ -52,43 +53,42 @@ static void dump_dev(struct config_device *dev)
 {
 	switch (dev->type) {
 	case KERNEL_NAME:
-		dbg_parse("KERNEL name ='%s'"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, 
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("KERNEL name='%s' ,"
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->owner, dev->group, dev->mode);
 		break;
 	case LABEL:
-		dbg_parse("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, dev->bus, dev->sysfs_file, dev->sysfs_value,
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("LABEL name='%s', bus='%s', sysfs_file='%s', sysfs_value='%s', "
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value,
+			  dev->owner, dev->group, dev->mode);
 		break;
 	case NUMBER:
-		dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, dev->bus, dev->id,
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("NUMBER name='%s', bus='%s', id='%s', "
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->bus, dev->id,
+			  dev->owner, dev->group, dev->mode);
 		break;
 	case TOPOLOGY:
-		dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, dev->bus, dev->place,
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("TOPOLOGY name='%s', bus='%s', place='%s', "
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->bus, dev->place,
+			  dev->owner, dev->group, dev->mode);
 		break;
 	case REPLACE:
-		dbg_parse("REPLACE name = %s, kernel_name = %s"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, dev->kernel_name,
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("REPLACE name=%s, kernel_name=%s, "
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->kernel_name,
+			  dev->owner, dev->group, dev->mode);
 		break;
 	case CALLOUT:
-		dbg_parse("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'"
-			" owner = '%s', group = '%s', mode = '%#o'",
-			dev->attr.name, dev->exec_program, dev->bus, dev->id,
-			dev->attr.owner, dev->attr.group, dev->attr.mode);
+		dbg_parse("CALLOUT name='%s', program='%s', bus='%s', id='%s', "
+			  "owner='%s', group='%s', mode=%#o",
+			  dev->name, dev->exec_program, dev->bus, dev->id,
+			  dev->owner, dev->group, dev->mode);
 		break;
 	default:
-		dbg_parse("Unknown type of device!");
+		dbg_parse("unknown type of method");
 	}
 }
 
@@ -105,27 +105,33 @@ 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... */
+	/* update the values if we already have the device */
 	list_for_each(tmp, &config_device_list) {
 		struct config_device *dev = list_entry(tmp, struct config_device, node);
-		if (strcmp(dev->attr.name, new_dev->attr.name) == 0) {
-			/* the same, copy the new info into this structure */
-			copy_var(dev, new_dev, type);
-			copy_var(dev, new_dev, attr.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, attr.owner);
-			copy_string(dev, new_dev, attr.group);
-			return 0;
+		int len = strlen(new_dev->name);
+		if (new_dev->name[len-1] == '*') {
+			len--;
+			if (strncmp(dev->name, new_dev->name, len))
+				continue;
+		} else {
+			if (strcmp(dev->name, new_dev->name))
+				continue;
 		}
+		/* 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 */
+	/* not found, add new structure to the device list */
 	tmp_dev = malloc(sizeof(*tmp_dev));
 	if (!tmp_dev)
 		return -ENOMEM;
@@ -144,37 +150,15 @@ static void dump_dev_list(void)
 		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;
 
+	if (!string)
+		return -ENODEV;
+
 	/* eat any whitespace */
 	while (isspace(*string))
 		++string;
@@ -182,23 +166,43 @@ static int get_pair(char **orig_string, char **left, char **right)
 	/* split based on '=' */
 	temp = strsep(&string, "=");
 	*left = temp;
+	if (!string)
+		return -ENODEV;
 
 	/* take the right side and strip off the '"' */
 	while (isspace(*string))
 		++string;
 	if (*string == '"')
 		++string;
+	else
+		return -ENODEV;
+
 	temp = strsep(&string, "\"");
+	if (!string || *temp == '\0')
+		return -ENODEV;
 	*right = temp;
 	*orig_string = string;
 	
 	return 0;
 }
 
+static int get_value(const char *left, char **orig_string, char **ret_string)
+{
+	int retval;
+	char *left_string;
+
+	retval = get_pair(orig_string, &left_string, ret_string);
+	if (retval)
+		return retval;
+	if (strcasecmp(left_string, left) != 0)
+		return -ENODEV;
+	return 0;
+}
+
 static int namedev_init_config(void)
 {
-	char filename[255];
 	char line[255];
+	int lineno;
 	char *temp;
 	char *temp2;
 	char *temp3;
@@ -206,20 +210,21 @@ static int namedev_init_config(void)
 	int retval = 0;
 	struct config_device dev;
 
-	strcpy(filename, UDEV_CONFIG_DIR NAMEDEV_CONFIG_FILE);
-	dbg("opening %s to read as permissions config", filename);
-	fd = fopen(filename, "r");
+	dbg("opening %s to read as config", udev_config_filename);
+	fd = fopen(udev_config_filename, "r");
 	if (fd == NULL) {
-		dbg("Can't open %s", filename);
+		dbg("can't open %s", udev_config_filename);
 		return -ENODEV;
 	}
 
 	/* loop through the whole file */
+	lineno = 0;
 	while (1) {
 		/* get a line */
 		temp = fgets(line, sizeof(line), fd);
 		if (temp == NULL)
-			break;
+			goto exit;
+		lineno++;
 
 		dbg_parse("read %s", temp);
 
@@ -227,7 +232,7 @@ static int namedev_init_config(void)
 		while (isspace(*temp))
 			++temp;
 
-		/* no more line? */
+		/* empty line? */
 		if (*temp == 0x00)
 			continue;
 
@@ -246,28 +251,28 @@ static int namedev_init_config(void)
 			/* BUS="bus" */
 			retval = get_value("BUS", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.bus, temp3);
+				break;
+			strfieldcpy(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);
+				break;
+			strfieldcpy(dev.sysfs_file, temp2);
+			strfieldcpy(dev.sysfs_value, temp3);
 
 			/* NAME="new_name" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("NAME", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.attr.name, temp3);
+				break;
+			strfieldcpy(dev.name, temp3);
 
-			dbg_parse("LABEL name = '%s', bus = '%s', "
-				"sysfs_file = '%s', sysfs_value = '%s'", 
-				dev.attr.name, dev.bus, dev.sysfs_file, 
-				dev.sysfs_value);
+			dbg_parse("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) {
@@ -277,25 +282,25 @@ static int namedev_init_config(void)
 			/* BUS="bus" */
 			retval = get_value("BUS", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.bus, temp3);
+				break;
+			strfieldcpy(dev.bus, temp3);
 
 			/* ID="id" */
 			temp2 = strsep(&temp, ",");
-			retval = get_value("id", &temp, &temp3);
+			retval = get_value("ID", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.id, temp3);
+				break;
+			strfieldcpy(dev.id, temp3);
 
 			/* NAME="new_name" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("NAME", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.attr.name, temp3);
+				break;
+			strfieldcpy(dev.name, temp3);
 
-			dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'",
-					dev.attr.name, dev.bus, dev.id);
+			dbg_parse("NUMBER name='%s', bus='%s', id='%s'",
+				  dev.name, dev.bus, dev.id);
 		}
 
 		if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
@@ -305,25 +310,25 @@ static int namedev_init_config(void)
 			/* BUS="bus" */
 			retval = get_value("BUS", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.bus, temp3);
+				break;
+			strfieldcpy(dev.bus, temp3);
 
 			/* PLACE="place" */
 			temp2 = strsep(&temp, ",");
-			retval = get_value("place", &temp, &temp3);
+			retval = get_value("PLACE", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.place, temp3);
+				break;
+			strfieldcpy(dev.place, temp3);
 
 			/* NAME="new_name" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("NAME", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.attr.name, temp3);
+				break;
+			strfieldcpy(dev.name, temp3);
 
-			dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'",
-					dev.attr.name, dev.bus, dev.place);
+			dbg_parse("TOPOLOGY name='%s', bus='%s', place='%s'",
+				  dev.name, dev.bus, dev.place);
 		}
 
 		if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
@@ -333,50 +338,50 @@ static int namedev_init_config(void)
 			/* KERNEL="kernel_name" */
 			retval = get_value("KERNEL", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.kernel_name, temp3);
+				break;
+			strfieldcpy(dev.kernel_name, temp3);
 
 			/* NAME="new_name" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("NAME", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.attr.name, temp3);
-			dbg_parse("REPLACE name = %s, kernel_name = %s",
-					dev.attr.name, dev.kernel_name);
+				break;
+			strfieldcpy(dev.name, temp3);
+			dbg_parse("REPLACE name='%s', kernel_name='%s'",
+				  dev.name, dev.kernel_name);
 		}
 		if (strcasecmp(temp2, TYPE_CALLOUT) == 0) {
 			/* number type */
 			dev.type = CALLOUT;
 
-			/* PROGRAM="executable" */
-			retval = get_value("PROGRAM", &temp, &temp3);
+			/* BUS="bus" */
+			retval = get_value("BUS", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.exec_program, temp3);
+				break;
+			strfieldcpy(dev.bus, temp3);
 
-			/* BUS="bus" */
+			/* PROGRAM="executable" */
 			temp2 = strsep(&temp, ",");
-			retval = get_value("BUS", &temp, &temp3);
+			retval = get_value("PROGRAM", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.bus, temp3);
+				break;
+			strfieldcpy(dev.exec_program, temp3);
 
 			/* ID="id" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("ID", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.id, temp3);
+				break;
+			strfieldcpy(dev.id, temp3);
 
 			/* NAME="new_name" */
 			temp2 = strsep(&temp, ",");
 			retval = get_value("NAME", &temp, &temp3);
 			if (retval)
-				continue;
-			strcpy(dev.attr.name, temp3);
-			dbg_parse("CALLOUT name = %s, program = %s",
-					dev.attr.name, dev.exec_program);
+				break;
+			strfieldcpy(dev.name, temp3);
+			dbg_parse("CALLOUT name='%s', program='%s'",
+				  dev.name, dev.exec_program);
 		}
 
 		retval = add_dev(&dev);
@@ -385,7 +390,8 @@ static int namedev_init_config(void)
 			goto exit;
 		}
 	}
-
+	dbg_parse("%s:%d:%Zd: error parsing '%s'", udev_config_filename,
+		  lineno, temp - line, temp);
 exit:
 	fclose(fd);
 	return retval;
@@ -394,7 +400,6 @@ exit:
 
 static int namedev_init_permissions(void)
 {
-	char filename[255];
 	char line[255];
 	char *temp;
 	char *temp2;
@@ -402,11 +407,10 @@ static int namedev_init_permissions(void)
 	int retval = 0;
 	struct config_device dev;
 
-	strcpy(filename, UDEV_CONFIG_DIR NAMEDEV_CONFIG_PERMISSION_FILE);
-	dbg("opening %s to read as permissions config", filename);
-	fd = fopen(filename, "r");
+	dbg("opening %s to read as permissions config", udev_config_permission_filename);
+	fd = fopen(udev_config_permission_filename, "r");
 	if (fd == NULL) {
-		dbg("Can't open %s", filename);
+		dbg("can't open %s", udev_config_permission_filename);
 		return -ENODEV;
 	}
 
@@ -423,7 +427,7 @@ static int namedev_init_permissions(void)
 		while (isspace(*temp))
 			++temp;
 
-		/* no more line? */
+		/* empty line? */
 		if (*temp == 0x00)
 			continue;
 
@@ -435,19 +439,31 @@ static int namedev_init_permissions(void)
 
 		/* parse the line */
 		temp2 = strsep(&temp, ":");
-		strncpy(dev.attr.name, temp2, sizeof(dev.attr.name));
+		if (!temp2) {
+			dbg("cannot parse line: %s", line);
+			continue;
+		}
+		strncpy(dev.name, temp2, sizeof(dev.name));
 
 		temp2 = strsep(&temp, ":");
-		strncpy(dev.attr.owner, temp2, sizeof(dev.attr.owner));
+		if (!temp2) {
+			dbg("cannot parse line: %s", line);
+			continue;
+		}
+		strncpy(dev.owner, temp2, sizeof(dev.owner));
 
 		temp2 = strsep(&temp, ":");
-		strncpy(dev.attr.group, temp2, sizeof(dev.attr.owner));
+		if (!temp2) {
+			dbg("cannot parse line: %s", line);
+			continue;
+		}
+		strncpy(dev.group, temp2, sizeof(dev.owner));
 
-		dev.attr.mode = strtol(temp, NULL, 8);
+		dev.mode = strtol(temp, NULL, 8);
 
-		dbg_parse("name = %s, owner = %s, group = %s, mode = %#o",
-				dev.attr.name, dev.attr.owner, dev.attr.group,
-				dev.attr.mode);
+		dbg_parse("name='%s', owner='%s', group='%s', mode=%#o",
+			  dev.name, dev.owner, dev.group,
+			  dev.mode);
 		retval = add_dev(&dev);
 		if (retval) {
 			dbg("add_dev returned with error %d", retval);
@@ -476,8 +492,11 @@ static int exec_callout(struct config_device *dev, char *value, int len)
 	pid_t pid;
 	int value_set = 0;
 	char buffer[256];
+	char *arg;
+	char *args[CALLOUT_MAXARG];
+	int i;
 
-	dbg("callout to %s\n", dev->exec_program);
+	dbg("callout to '%s'", dev->exec_program);
 	retval = pipe(fds);
 	if (retval != 0) {
 		dbg("pipe failed");
@@ -490,21 +509,32 @@ static int exec_callout(struct config_device *dev, char *value, int len)
 	}
 
 	if (pid == 0) {
-		/*
-		 * child 
-		 */
+		/* child */
 		close(STDOUT_FILENO);
 		dup(fds[1]);	/* dup write side of pipe to STDOUT */
-		retval = execve(dev->exec_program, main_argv, main_envp);
+		if (strchr(dev->exec_program, ' ')) {
+			/* callout with arguments */
+			arg = dev->exec_program;
+			for (i=0; i < CALLOUT_MAXARG-1; i++) {
+				args[i] = strsep(&arg, " ");
+				if (args[i] == NULL)
+					break;
+			}
+			if (args[i]) {
+				dbg("to many args - %d", i);
+				args[i] = NULL;
+			}
+			retval = execve(args[0], args, main_envp);
+		} else {
+			retval = execve(dev->exec_program, main_argv, main_envp);
+		}
 		if (retval != 0) {
 			dbg("child execve failed");
 			exit(1);
 		}
 		return -1; /* avoid compiler warning */
 	} else {
-		/*
-		 * Parent reads from fds[0].
-		 */
+		/* parent reads from fds[0] */
 		close(fds[1]);
 		retval = 0;
 		while (1) {
@@ -524,6 +554,7 @@ static int exec_callout(struct config_device *dev, char *value, int len)
 				strncpy(value, buffer, len);
 			}
 		}
+		dbg("callout returned '%s'", value);
 		close(fds[0]);
 		res = wait(&status);
 		if (res < 0) {
@@ -531,243 +562,379 @@ static int exec_callout(struct config_device *dev, char *value, int len)
 			retval = -1;
 		}
 
+#ifndef __KLIBC__
 		if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
 			dbg("callout program status 0x%x", status);
 			retval = -1;
 		}
+#endif
 	}
 	return retval;
 }
 
-static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *attr)
+static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev)
 {
+	struct config_device *dev;
 	struct list_head *tmp;
-	int retval = 0;
-	int found;
+	char value[ID_SIZE];
 
-	attr->mode = 0;
-	if (class_dev->sysdevice) {
-		dbg_parse("class_dev->sysdevice->directory->path = '%s'", class_dev->sysdevice->directory->path);
-		dbg_parse("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id);
-	} else {
-		dbg_parse("class_dev->name = '%s'", class_dev->name);
+	list_for_each(tmp, &config_device_list) {
+		dev = list_entry(tmp, struct config_device, node);
+		if (dev->type != CALLOUT)
+			continue;
+
+		if (exec_callout(dev, value, sizeof(value)))
+			continue;
+		if (strncmp(value, dev->id, sizeof(value)) != 0)
+			continue;
+		strfieldcpy(udev->name, dev->name);
+		if (dev->mode != 0) {
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+		dbg_parse("callout returned matching value '%s', '%s' becomes '%s'"
+			  " - owner='%s', group='%s', mode =%#o",
+			  dev->id, class_dev->name, udev->name,
+			  dev->owner, dev->group, dev->mode);
+		return 0;
 	}
+	return -ENODEV;
+}
+
+static int do_label(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+	struct sysfs_attribute *tmpattr = NULL;
+	struct config_device *dev;
+	struct list_head *tmp;
+
 	list_for_each(tmp, &config_device_list) {
-		struct config_device *dev = list_entry(tmp, struct config_device, node);
-		switch (dev->type) {
-		case LABEL:
-			{
-			char *temp;
-
-			dbg_parse("LABEL: match file '%s' with value '%s'",
-					dev->sysfs_file, dev->sysfs_value);
-			/* try to find the attribute in the class device directory */
-			temp = sysfs_get_value_from_attributes(class_dev->directory->attributes, dev->sysfs_file);
-			if (temp)
+		dev = list_entry(tmp, struct config_device, node);
+		if (dev->type != LABEL)
+			continue;
+
+		dbg_parse("look for device attribute '%s'", dev->sysfs_file);
+		/* try to find the attribute in the class device directory */
+		tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file);
+		if (tmpattr)
+			goto label_found;
+
+		/* look in the class device directory if present */
+		if (sysfs_device) {
+			tmpattr = sysfs_get_device_attr(sysfs_device, dev->sysfs_file);
+			if (tmpattr)
 				goto label_found;
+		}
 
-			/* look in the class device device directory if present */
-			if (class_dev->sysdevice) {
-				temp = sysfs_get_value_from_attributes(class_dev->sysdevice->directory->attributes, dev->sysfs_file);
-				if (temp)
-					goto label_found;
-			}
+		continue;
 
-			/* bah, let's go backwards up a level to see if the device is there,
-			 * as block partitions don't point to the physical device.  Need to fix that
-			 * up in the kernel...
-			 */
-			if (strstr(class_dev->directory->path, "block")) {
-				dbg_parse("looking at block device...");
-				if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) {
-					char path[SYSFS_PATH_MAX];
-					struct sysfs_class_device *class_dev_parent;
-
-					dbg_parse("really is a partition...");
-					strcpy(path, class_dev->directory->path);
-					temp = strrchr(path, '/');
-					*temp = 0x00;
-					dbg_parse("looking for a class device at '%s'", path);
-					class_dev_parent = sysfs_open_class_device(path);
-					if (class_dev_parent == NULL) {
-						dbg("sysfs_open_class_device at '%s' failed", path);
-						continue;
-					}
-					dbg_parse("class_dev_parent->name = %s", class_dev_parent->name);
-
-					/* try to find the attribute in the class device directory */
-					temp = sysfs_get_value_from_attributes(class_dev_parent->directory->attributes, dev->sysfs_file);
-					if (temp) {
-						//sysfs_close_class_device(class_dev_parent);
-						goto label_found;
-					}
-
-					/* look in the class device device directory if present */
-					if (class_dev_parent->sysdevice) {
-						temp = sysfs_get_value_from_attributes(class_dev_parent->sysdevice->directory->attributes, dev->sysfs_file);
-						if (temp) {
-							// sysfs_close_class_device(class_dev_parent);
-							goto label_found;
-						}
-					}
-					
-				}
-			}
+label_found:
+		tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
+		dbg_parse("compare attribute '%s' value '%s' with '%s'",
+			  dev->sysfs_file, tmpattr->value, dev->sysfs_value);
+		if (strcmp(dev->sysfs_value, tmpattr->value) != 0)
 			continue;
 
-label_found:
-			temp[strlen(temp)-1] = 0x00;
-			dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, temp, dev->sysfs_value);
-			if (strcmp(dev->sysfs_value, temp) != 0)
-				continue;
+		strfieldcpy(udev->name, dev->name);
+		if (dev->mode != 0) {
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+		dbg_parse("found matching attribute '%s', '%s' becomes '%s' "
+			  "- owner='%s', group='%s', mode=%#o",
+			  dev->sysfs_file, class_dev->name, udev->name,
+			  dev->owner, dev->group, dev->mode);
 
-			strcpy(attr->name, dev->attr.name);
-			if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) {
-				temp[0] = class_dev->directory->path[strlen(class_dev->directory->path)-1];
-				temp[1] = 0x00;
-				strcat(attr->name, temp);
-			}
-			if (dev->attr.mode != 0) {
-				attr->mode = dev->attr.mode;
-				strcpy(attr->owner, dev->attr.owner);
-				strcpy(attr->group, dev->attr.group);
-			}
-			dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
-				dev->sysfs_file, dev->sysfs_value, attr->name, 
-				dev->attr.owner, dev->attr.group, dev->attr.mode);
-			goto done;
-			break;
-			}
-		case NUMBER:
-			{
-			char path[SYSFS_PATH_MAX];
-			char *temp;
+		return 0;
+	}
+	return -ENODEV;
+}
 
-			found = 0;
-			if (!class_dev->sysdevice)
-				continue;
-			strcpy(path, class_dev->sysdevice->directory->path);
+static int do_number(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+	struct config_device *dev;
+	struct list_head *tmp;
+	char path[SYSFS_PATH_MAX];
+	int found;
+	char *temp = NULL;
+
+	/* we have to have a sysfs device for NUMBER to work */
+	if (!sysfs_device)
+		return -ENODEV;
+
+	list_for_each(tmp, &config_device_list) {
+		dev = list_entry(tmp, struct config_device, node);
+		if (dev->type != NUMBER)
+			continue;
+
+		found = 0;
+		strfieldcpy(path, sysfs_device->path);
+		temp = strrchr(path, '/');
+		dbg_parse("search '%s' in '%s', path='%s'", dev->id, temp, path);
+		if (strstr(temp, dev->id) != NULL) {
+			found = 1;
+		} else {
+			*temp = 0x00;
 			temp = strrchr(path, '/');
-			dbg_parse("NUMBER path = '%s'", path);
-			dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
-			if (strstr(temp, dev->id) != NULL) {
+			dbg_parse("search '%s' in '%s', path='%s'", dev->id, temp, path);
+			if (strstr(temp, dev->id) != NULL)
 				found = 1;
-			} else {
-				*temp = 0x00;
-				temp = strrchr(path, '/');
-				dbg_parse("NUMBERY temp = '%s' id = '%s'", temp, dev->id);
-				if (strstr(temp, dev->id) != NULL)
-					found = 1;
-			}
-			if (!found)
-				continue;
+		}
+		if (!found)
+			continue;
+		strfieldcpy(udev->name, dev->name);
+		if (dev->mode != 0) {
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+		dbg_parse("found matching id '%s', '%s' becomes '%s'"
+			  " - owner='%s', group ='%s', mode=%#o",
+			  dev->id, class_dev->name, udev->name,
+			  dev->owner, dev->group, dev->mode);
+		return 0;
+	}
+	return -ENODEV;
+}
 
-			strcpy(attr->name, dev->attr.name);
-			if (dev->attr.mode != 0) {
-				attr->mode = dev->attr.mode;
-				strcpy(attr->owner, dev->attr.owner);
-				strcpy(attr->group, dev->attr.group);
-			}
-			dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
-				dev->id, attr->name, 
-				dev->attr.owner, dev->attr.group, dev->attr.mode);
-			goto done;
-			break;
-			}
-		case TOPOLOGY:
-			{
-			char path[SYSFS_PATH_MAX];
-			char *temp;
 
-			if (!class_dev->sysdevice)
-				continue;
-			found = 0;	
-			strcpy(path, class_dev->sysdevice->directory->path);
+static int do_topology(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+	struct config_device *dev;
+	struct list_head *tmp;
+	char path[SYSFS_PATH_MAX];
+	int found;
+	char *temp = NULL;
+
+	/* we have to have a sysfs device for TOPOLOGY to work */
+	if (!sysfs_device)
+		return -ENODEV;
+
+	list_for_each(tmp, &config_device_list) {
+		dev = list_entry(tmp, struct config_device, node);
+		if (dev->type != TOPOLOGY)
+			continue;
+
+		found = 0;
+		strfieldcpy(path, sysfs_device->path);
+		temp = strrchr(path, '/');
+		dbg_parse("search '%s' in '%s', path='%s'", dev->place, temp, path);
+		if (strstr(temp, dev->place) != NULL) {
+			found = 1;
+		} else {
+			*temp = 0x00;
 			temp = strrchr(path, '/');
-			dbg_parse("TOPOLOGY path = '%s'", path);
-			dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
-			if (strstr(temp, dev->place) != NULL) {
+			dbg_parse("search '%s' in '%s', path='%s'", dev->place, temp, path);
+			if (strstr(temp, dev->place) != NULL)
 				found = 1;
-			} else {
-				*temp = 0x00;
-				temp = strrchr(path, '/');
-				dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
-				if (strstr(temp, dev->place) != NULL)
-					found = 1;
-			}
-			if (!found)
-				continue;
+		}
+		if (!found)
+			continue;
 
-			strcpy(attr->name, dev->attr.name);
-			if (dev->attr.mode != 0) {
-				attr->mode = dev->attr.mode;
-				strcpy(attr->owner, dev->attr.owner);
-				strcpy(attr->group, dev->attr.group);
-			}
-			dbg_parse("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
-				dev->place, attr->name, 
-				dev->attr.owner, dev->attr.group, dev->attr.mode);
-			goto done;
-			break;
-			}
-		case CALLOUT:
-			{
-			char value[ID_SIZE];
+		strfieldcpy(udev->name, dev->name);
+		if (dev->mode != 0) {
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+		dbg_parse("found matching place '%s', '%s' becomes '%s'"
+			  " - owner='%s', group ='%s', mode=%#o",
+			  dev->place, class_dev->name, udev->name,
+			  dev->owner, dev->group, dev->mode);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+	struct config_device *dev;
+	struct list_head *tmp;
+
+	list_for_each(tmp, &config_device_list) {
+		dev = list_entry(tmp, struct config_device, node);
+		if (dev->type != REPLACE)
+			continue;
+
+		dbg_parse("compare name '%s' with '%s'",
+			  dev->kernel_name, dev->name);
+		if (strcmp(dev->kernel_name, class_dev->name) != 0)
+			continue;
+
+		strfieldcpy(udev->name, dev->name);
+		if (dev->mode != 0) {
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+		dbg_parse("found name, '%s' becomes '%s' - owner='%s', group='%s', mode = %#o",
+			  dev->kernel_name, udev->name, 
+			  dev->owner, dev->group, dev->mode);
+		
+		return 0;
+	}
+	return -ENODEV;
+}
+
+static void do_kernelname(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+	struct config_device *dev;
+	struct list_head *tmp;
+	int len;
 
-			if (exec_callout(dev, value, sizeof(value)))
+	strfieldcpy(udev->name, class_dev->name);
+	list_for_each(tmp, &config_device_list) {
+		dev = list_entry(tmp, struct config_device, node);
+		len = strlen(dev->name);
+		if (dev->name[len-1] == '*') {
+			len--;
+			if (strncmp(dev->name, class_dev->name, len))
 				continue;
-			if (strncmp(value, dev->id, sizeof(value)) != 0)
+		} else {
+			if (strcmp(dev->name, class_dev->name))
 				continue;
-			strcpy(attr->name, dev->attr.name);
-			if (dev->attr.mode != 0) {
-				attr->mode = dev->attr.mode;
-				strcpy(attr->owner, dev->attr.owner);
-				strcpy(attr->group, dev->attr.group);
-			}
-			dbg_parse("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
-				dev->id, attr->name, 
-				dev->attr.owner, dev->attr.group, dev->attr.mode);
-			goto done;
-			break;
+		}
+		if (dev->mode != 0) {
+			dbg_parse("found permissions for '%s'", class_dev->name);
+			udev->mode = dev->mode;
+			strfieldcpy(udev->owner, dev->owner);
+			strfieldcpy(udev->group, dev->group);
+		}
+	}
+}
+
+static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+	struct sysfs_device *sysfs_device = NULL;
+	struct sysfs_class_device *class_dev_parent = NULL;
+	int retval = 0;
+	char *temp = NULL;
+
+	udev->mode = 0;
+
+	/* find the sysfs_device for this class device */
+	/* Wouldn't it really be nice if libsysfs could do this for us? */
+	if (class_dev->sysdevice) {
+		sysfs_device = class_dev->sysdevice;
+	} else {
+		/* bah, let's go backwards up a level to see if the device is there,
+		 * as block partitions don't point to the physical device.  Need to fix that
+		 * up in the kernel...
+		 */
+		if (strstr(class_dev->path, "block")) {
+			dbg_parse("looking at block device...");
+			if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
+				char path[SYSFS_PATH_MAX];
+
+				dbg_parse("really is a partition...");
+				strfieldcpy(path, class_dev->path);
+				temp = strrchr(path, '/');
+				*temp = 0x00;
+				dbg_parse("looking for a class device at '%s'", path);
+				class_dev_parent = sysfs_open_class_device(path);
+				if (class_dev_parent == NULL) {
+					dbg("sysfs_open_class_device at '%s' failed", path);
+				} else {
+					dbg_parse("class_dev_parent->name=%s", class_dev_parent->name);
+					if (class_dev_parent->sysdevice)
+						sysfs_device = class_dev_parent->sysdevice;
+				}
 			}
-		case REPLACE:
-			if (strcmp(dev->kernel_name, class_dev->name) != 0)
-				continue;
-			strcpy(attr->name, dev->attr.name);
-			if (dev->attr.mode != 0) {
-				attr->mode = dev->attr.mode;
-				strcpy(attr->owner, dev->attr.owner);
-				strcpy(attr->group, dev->attr.group);
+		}
+	}
+		
+	if (sysfs_device) {
+		dbg_parse("sysfs_device->path='%s'", sysfs_device->path);
+		dbg_parse("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+	} else {
+		dbg_parse("class_dev->name = '%s'", class_dev->name);
+	}
+
+	/* rules are looked at in priority order */
+	retval = do_callout(class_dev, udev);
+	if (retval == 0)
+		goto found;
+
+	retval = do_label(class_dev, udev, sysfs_device);
+	if (retval == 0)
+		goto found;
+
+	retval = do_number(class_dev, udev, sysfs_device);
+	if (retval == 0)
+		goto found;
+
+	retval = do_topology(class_dev, udev, sysfs_device);
+	if (retval == 0)
+		goto found;
+
+	retval = do_replace(class_dev, udev);
+	if (retval == 0)
+		goto found;
+
+	do_kernelname(class_dev, udev);
+	goto done;
+
+found:
+	/* substitute placeholder in NAME  */
+	while (1) {
+		char *pos = strchr(udev->name, '%');
+		char *dig;
+		char name[NAME_SIZE];
+		if (pos) {
+			strfieldcpy(name, pos+2);
+			*pos = 0x00;
+			switch (pos[1]) {
+			case 'b':
+				if (!sysfs_device)
+					break;
+				strcat(udev->name, sysfs_device->bus_id);
+				dbg("bus_id inserted: %s", 
+						sysfs_device->bus_id);
+				break;
+			case 'n':
+				dig = class_dev->name + strlen(class_dev->name);
+				while (isdigit(*(dig-1)))
+					dig--;
+				strcat(udev->name, dig);
+				dbg("substitute kernel number '%s'", dig);
+				break;
+			case 'm':
+				sprintf(pos, "%u", udev->minor);
+				dbg("substitute minor number '%u'", udev->minor);
+				break;
+			case 'M':
+				sprintf(pos, "%u", udev->major);
+				dbg("substitute major number '%u'", udev->major);
+				break;
+			default:
+				dbg("unknown substitution type '%%%c'", pos[1]);
+				break;
 			}
-			dbg_parse("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
-				dev->kernel_name, attr->name, 
-				dev->attr.owner, dev->attr.group, dev->attr.mode);
-			goto done;
-			break;
-		case KERNEL_NAME:
+			strcat(udev->name, name);
+		} else
 			break;
-		default:
-			dbg_parse("Unknown type of device '%d'", dev->type);
-			break;
-		}	
 	}
-	strcpy(attr->name, class_dev->name);
 
 done:
 	/* mode was never set above */
-	if (!attr->mode) {
-		attr->mode = get_default_mode(class_dev);
-		attr->owner[0] = 0x00;
-		attr->group[0] = 0x00;
+	if (!udev->mode) {
+		udev->mode = get_default_mode(class_dev);
+		udev->owner[0] = 0x00;
+		udev->group[0] = 0x00;
 	}
-	return retval;
+
+	if (class_dev_parent)
+		sysfs_close_class_device(class_dev_parent);
+
+	return 0;
 }
 
-int namedev_name_device(struct sysfs_class_device *class_dev, struct device_attr *attr)
+int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *dev)
 {
 	int retval;
 
-	retval = get_attr(class_dev, attr);
+	retval = get_attr(class_dev, dev);
 	if (retval)
 		dbg("get_attr failed");