#include "udev.h"
#include "udev_version.h"
#include "namedev.h"
+#include "libsysfs/libsysfs.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 = '%#o'",
+ dev->attr.name,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ break;
+ case LABEL:
+ dbg("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);
+ break;
+ case NUMBER:
+ dbg("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);
+ break;
+ case TOPOLOGY:
+ dbg("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);
+ break;
+ case REPLACE:
+ dbg("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);
+ break;
+ default:
+ dbg("Unknown type of device!");
+ }
+}
+
#define copy_var(a, b, var) \
if (b->var) \
- b->var = a->var;
+ a->var = b->var;
#define copy_string(a, b, var) \
if (strlen(b->var)) \
- strcpy(b->var, a->var);
+ strcpy(a->var, b->var);
static int add_dev(struct config_device *new_dev)
{
* 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) {
+ if (strcmp(dev->attr.name, new_dev->attr.name) == 0) {
/* the same, copy the new info into this structure */
- copy_var(new_dev, dev, type);
- copy_var(new_dev, dev, mode);
- copy_string(new_dev, dev, bus);
- copy_string(new_dev, dev, sysfs_file);
- copy_string(new_dev, dev, sysfs_value);
- copy_string(new_dev, dev, id);
- copy_string(new_dev, dev, place);
- copy_string(new_dev, dev, kernel_name);
- copy_string(new_dev, dev, owner);
- copy_string(new_dev, dev, group);
+ 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;
}
}
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;
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)
{
if (*temp == COMMENT_CHARACTER)
continue;
- memset(&dev, 0x00, sizeof(dev));
+ memset(&dev, 0x00, sizeof(struct config_device));
/* parse the line */
temp2 = strsep(&temp, ",");
if (retval)
continue;
strcpy(dev.bus, temp3);
- dbg("LABEL name = %s, bus = %s", dev.name, dev.bus);
+
+ /* 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.attr.name, temp3);
+
+ dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.attr.name, dev.bus, dev.sysfs_file, dev.sysfs_value);
}
if (strcasecmp(temp2, TYPE_NUMBER) == 0) {
if (retval)
continue;
strcpy(dev.bus, temp3);
- dbg("NUMBER name = %s, bus = %s", dev.name, dev.bus);
+
+ /* 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.attr.name, temp3);
+
+ dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.attr.name, dev.bus, dev.id);
}
if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
if (retval)
continue;
strcpy(dev.bus, temp3);
- dbg("TOPOLOGY name = %s, bus = %s", dev.name, dev.bus);
+
+ /* 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.attr.name, temp3);
+
+ dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.attr.name, dev.bus, dev.place);
}
if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
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);
+ strcpy(dev.attr.name, temp3);
+ dbg("REPLACE name = %s, kernel_name = %s", dev.attr.name, dev.kernel_name);
}
retval = add_dev(&dev);
/* parse the line */
temp2 = strsep(&temp, ":");
- strncpy(dev.name, temp2, sizeof(dev.name));
+ strncpy(dev.attr.name, temp2, sizeof(dev.attr.name));
temp2 = strsep(&temp, ":");
- strncpy(dev.owner, temp2, sizeof(dev.owner));
+ strncpy(dev.attr.owner, temp2, sizeof(dev.attr.owner));
temp2 = strsep(&temp, ":");
- strncpy(dev.group, temp2, sizeof(dev.owner));
+ strncpy(dev.attr.group, temp2, sizeof(dev.attr.owner));
- dev.mode = strtol(temp, NULL, 8);
+ dev.attr.mode = strtol(temp, NULL, 8);
- dbg("name = %s, owner = %s, group = %s, mode = %x", dev.name, dev.owner, dev.group, dev.mode);
+ dbg("name = %s, owner = %s, group = %s, mode = %#o", dev.attr.name, dev.attr.owner, dev.attr.group, dev.attr.mode);
retval = add_dev(&dev);
if (retval) {
dbg("add_dev returned with error %d", retval);
return retval;
}
+static int get_default_mode(struct sysfs_class_device *class_dev)
+{
+ /* just default everyone to rw for the world! */
+ return 0666;
+}
-int namedev_init(void)
+static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *attr)
+{
+ struct list_head *tmp;
+ int retval = 0;
+ int found;
+
+ if (class_dev->sysdevice) {
+ dbg("class_dev->sysdevice->directory->path = '%s'", class_dev->sysdevice->directory->path);
+ dbg("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id);
+ } else {
+ dbg("class_dev->name = '%s'", class_dev->name);
+ }
+ 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("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)
+ 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;
+ }
+
+ /* 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("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("really is a partition...");
+ strcpy(path, class_dev->directory->path);
+ temp = strrchr(path, '/');
+ *temp = 0x00;
+ dbg("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 failed");
+ continue;
+ }
+ dbg("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;
+ }
+ }
+
+ }
+ }
+ continue;
+
+label_found:
+ dbg("file '%s' found with value '%s'", dev->sysfs_file, temp);
+ if (strcmp(dev->sysfs_value, temp) != 0)
+ continue;
+
+ strcpy(attr->name, dev->attr.name);
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ dbg("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);
+ return retval;
+dbg("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);
+ break;
+ }
+ case NUMBER:
+ {
+ char path[SYSFS_PATH_MAX];
+ char *temp;
+
+ found = 0;
+ if (!class_dev->sysdevice)
+ continue;
+ strcpy(path, class_dev->sysdevice->directory->path);
+ temp = strrchr(path, '/');
+ dbg("NUMBER path = '%s'", path);
+ dbg("NUMBER temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL) {
+ found = 1;
+ } else {
+ *temp = 0x00;
+ temp = strrchr(path, '/');
+ dbg("TOPOLOGY temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL)
+ found = 1;
+ }
+ if (!found)
+ continue;
+
+ strcpy(attr->name, dev->attr.name);
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ dbg("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->id, attr->name,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ return retval;
+ break;
+ }
+ case TOPOLOGY:
+ {
+ char path[SYSFS_PATH_MAX];
+ char *temp;
+
+ if (!class_dev->sysdevice)
+ continue;
+ found = 0;
+ strcpy(path, class_dev->sysdevice->directory->path);
+ temp = strrchr(path, '/');
+ dbg("TOPOLOGY path = '%s'", path);
+ dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
+ if (strstr(temp, dev->place) != NULL) {
+ found = 1;
+ } else {
+ *temp = 0x00;
+ temp = strrchr(path, '/');
+ dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
+ if (strstr(temp, dev->place) != NULL)
+ found = 1;
+ }
+ if (!found)
+ continue;
+
+ strcpy(attr->name, dev->attr.name);
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ dbg("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->place, attr->name,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ return retval;
+ break;
+ }
+ case REPLACE:
+ if (strcmp(dev->kernel_name, class_dev->name) != 0)
+ continue;
+ strcpy(attr->name, dev->attr.name);
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ dbg("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->kernel_name, attr->name,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ return retval;
+ break;
+ case KERNEL_NAME:
+ break;
+ default:
+ dbg("Unknown type of device '%d'", dev->type);
+ break;
+ }
+ }
+ attr->mode = get_default_mode(class_dev);
+ attr->owner[0] = 0x00;
+ attr->group[0] = 0x00;
+ strcpy(attr->name, class_dev->name);
+ return retval;
+}
+
+int namedev_name_device(struct sysfs_class_device *class_dev, struct device_attr *attr)
{
int retval;
+ retval = get_attr(class_dev, attr);
+ if (retval)
+ dbg("get_attr failed");
+
+ return retval;
+}
+
+int namedev_init(void)
+{
+ int retval;
+
retval = namedev_init_config();
if (retval)
return retval;
if (retval)
return retval;
+ dump_dev_list();
return retval;
}
+
~ianmdlvl / elogind.git / blobdiff