static struct sysfs_attribute *find_sysfs_attribute(struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device, char *attr);
-LIST_HEAD(config_device_list);
-LIST_HEAD(perm_device_list);
-
-
/* compare string with pattern (supports * ? [0-9] [!A-Z]) */
static int strcmp_pattern(const char *p, const char *s)
{
return 1;
}
-static struct perm_device *find_perm_entry(const char *name)
-{
- struct perm_device *perm;
-
- list_for_each_entry(perm, &perm_device_list, node) {
- if (strcmp_pattern(perm->name, name))
- continue;
- return perm;
- }
- return NULL;
-}
-
/* extract possible {attr} and move str behind it */
static char *get_format_attribute(char **str)
{
switch (c) {
+ case 'p':
+ if (strlen(udev->devpath) == 0)
+ break;
+ strfieldcatmax(string, udev->devpath, maxsize);
+ dbg("substitute kernel name '%s'", udev->kernel_name);
+ break;
case 'b':
if (strlen(udev->bus_id) == 0)
break;
strfieldcatmax(string, temp2, maxsize);
}
break;
+ case 'N':
+ if (udev->tmp_node[0] == '\0') {
+ dbg("create temporary device node for callout");
+ snprintf(udev->tmp_node, NAME_SIZE-1, "%s/.tmp-%u-%u", udev_root, udev->major, udev->minor);
+ udev_make_node(udev, udev->tmp_node, udev->major, udev->minor, 0600, 0, 0);
+ }
+ strfieldcatmax(string, udev->tmp_node, maxsize);
+ dbg("substitute temporary device node name '%s'", udev->tmp_node);
+ break;
default:
dbg("unknown substitution type '%%%c'", c);
break;
/* check for matching result of external program */
if (dev->result[0] != '\0') {
- dbg("check for " FIELD_RESULT
- " dev->result='%s', udev->program_result='%s'",
+ dbg("check for " FIELD_RESULT " dev->result='%s', udev->program_result='%s'",
dev->result, udev->program_result);
if (strcmp_pattern(dev->result, udev->program_result) != 0) {
dbg(FIELD_RESULT " is not matching");
dbg("sysfs_device->path='%s'", sysfs_device->path);
dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
}
-
}
int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_dev)
struct sysfs_class_device *class_dev_parent;
struct sysfs_device *sysfs_device = NULL;
struct config_device *dev;
- struct perm_device *perm;
char *pos;
- udev->mode = 0;
dbg("class_dev->name='%s'", class_dev->name);
/* Figure out where the "device"-symlink is at. For char devices this will
list_for_each_entry(dev, &config_device_list, node) {
dbg("process rule");
if (match_rule(udev, dev, class_dev, sysfs_device) == 0) {
- /* empty name and symlink will not create any node */
- if (dev->name[0] == '\0' && dev->symlink[0] == '\0') {
- info("configured rule in '%s' at line %i applied, '%s' is ignored",
+
+ /* empty name, symlink and perms will not create any node */
+ if (dev->name[0] == '\0' && dev->symlink[0] == '\0' &&
+ dev->mode == 0000 && dev->owner[0] == '\0' && dev->group[0] == '\0') {
+ info("configured rule in '%s[%i]' applied, '%s' is ignored",
dev->config_file, dev->config_line, udev->kernel_name);
return -1;
}
- /* collect symlinks for the final matching rule */
+ /* apply permissions */
+ if (dev->mode != 0000) {
+ udev->mode = dev->mode;
+ dbg("applied mode=%#o to '%s'", udev->mode, udev->kernel_name);
+ }
+ if (dev->owner[0] != '\0') {
+ strfieldcpy(udev->owner, dev->owner);
+ apply_format(udev, udev->owner, sizeof(udev->owner), class_dev, sysfs_device);
+ dbg("applied owner='%s' to '%s'", udev->owner, udev->kernel_name);
+ }
+ if (dev->group[0] != '\0') {
+ strfieldcpy(udev->group, dev->group);
+ apply_format(udev, udev->group, sizeof(udev->group), class_dev, sysfs_device);
+ dbg("applied group='%s' to '%s'", udev->group, udev->kernel_name);
+ }
+
+ /* collect symlinks for this or the final matching rule */
if (dev->symlink[0] != '\0') {
char temp[NAME_SIZE];
- info("configured rule in '%s' at line %i applied, added symlink '%s'",
+ info("configured rule in '%s[%i]' applied, added symlink '%s'",
dev->config_file, dev->config_line, dev->symlink);
strfieldcpy(temp, dev->symlink);
apply_format(udev, temp, sizeof(temp), class_dev, sysfs_device);
(udev->type != 'b' || udev->kernel_number[0] != '\0'))
continue;
- info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
+ info("configured rule in '%s[%i]' applied, '%s' becomes '%s'",
dev->config_file, dev->config_line, udev->kernel_name, dev->name);
strfieldcpy(udev->name, dev->name);
goto exit;
udev->partitions = dev->partitions;
- udev->mode = dev->mode;
- strfieldcpy(udev->owner, dev->owner);
- strfieldcpy(udev->group, dev->group);
- goto perms;
+ dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
+ udev->name, udev->owner, udev->group, udev->mode, udev->partitions);
+
+ goto exit;
}
}
}
/* no rule matched, so we use the kernel name */
strfieldcpy(udev->name, udev->kernel_name);
+ dbg("no rule found, use kernel name '%s'", udev->name);
- if (udev->type == 'n')
- goto exit;
-
-perms:
- /* apply permissions from permissions file to empty fields */
- perm = find_perm_entry(udev->name);
- if (perm != NULL) {
- if (udev->mode == 0000)
- udev->mode = perm->mode;
- if (udev->owner[0] == '\0')
- strfieldcpy(udev->owner, perm->owner);
- if (udev->group[0] == '\0')
- strfieldcpy(udev->group, perm->group);
+exit:
+ if (udev->tmp_node[0] != '\0') {
+ dbg("removing temporary device node");
+ unlink_secure(udev->tmp_node);
+ udev->tmp_node[0] = '\0';
}
- /* apply permissions from config to empty fields */
- if (udev->mode == 0000)
- udev->mode = default_mode;
- if (udev->owner[0] == '\0')
- strfieldcpy(udev->owner, default_owner);
- if (udev->group[0] == '\0')
- strfieldcpy(udev->group, default_group);
-
- dbg("name, '%s' is going to have owner='%s', group='%s', mode = %#o",
- udev->name, udev->owner, udev->group, udev->mode);
-
-exit:
return 0;
}
-
-int namedev_init(void)
-{
- int retval;
-
- retval = namedev_init_rules();
- if (retval)
- return retval;
-
- retval = namedev_init_permissions();
- if (retval)
- return retval;
-
- dump_config_dev_list();
- dump_perm_dev_list();
- return retval;
-}
~ianmdlvl / elogind.git / blobdiff