/* compare string with pattern (supports * ? [0-9] [!A-Z]) */
static int strcmp_pattern(const char *p, const char *s)
{
- if (*s == '\0') {
- while (*p == '*')
+ if (s[0] == '\0') {
+ while (p[0] == '*')
p++;
- return (*p != '\0');
+ return (p[0] != '\0');
}
- switch (*p) {
+ switch (p[0]) {
case '[':
{
int not = 0;
p++;
- if (*p == '!') {
+ if (p[0] == '!') {
not = 1;
p++;
}
- while (*p && (*p != ']')) {
+ while ((p[0] != '\0') && (p[0] != ']')) {
int match = 0;
if (p[1] == '-') {
- if ((*s >= *p) && (*s <= p[2]))
+ if ((s[0] >= p[0]) && (s[0] <= p[2]))
match = 1;
p += 3;
} else {
- match = (*p == *s);
+ match = (p[0] == s[0]);
p++;
}
if (match ^ not) {
- while (*p && (*p != ']'))
+ while ((p[0] != '\0') && (p[0] != ']'))
p++;
- return strcmp_pattern(p+1, s+1);
+ if (p[0] == ']')
+ return strcmp_pattern(p+1, s+1);
}
}
}
return strcmp_pattern(p+1, s);
return 0;
case '\0':
- if (*s == '\0') {
+ if (s[0] == '\0') {
return 0;
}
break;
default:
- if ((*p == *s) || (*p == '?'))
+ if ((p[0] == s[0]) || (p[0] == '?'))
return strcmp_pattern(p+1, s+1);
break;
}
return; /* here to prevent compiler warning... */
}
+static void fix_kernel_name(struct udevice *udev)
+{
+ char *temp = udev->kernel_name;
+
+ while (*temp != 0x00) {
+ /* Some block devices have a ! in their name,
+ * we need to change that to / */
+ if (*temp == '!')
+ *temp = '/';
+ ++temp;
+ }
+}
+
static int execute_program(char *path, char *value, int len)
{
int retval;
static int match_id(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
{
char path[SYSFS_PATH_MAX];
- int found;
char *temp = NULL;
/* we have to have a sysfs device for ID to work */
if (!sysfs_device)
return -ENODEV;
- found = 0;
strfieldcpy(path, sysfs_device->path);
temp = strrchr(path, '/');
+ temp++;
dbg("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("search '%s' in '%s', path='%s'", dev->id, temp, path);
- if (strstr(temp, dev->id) != NULL)
- found = 1;
- }
- if (!found) {
- dbg("id doesn't match");
+ if (strcmp_pattern(dev->id, temp) != 0)
return -ENODEV;
- }
-
- return 0;
+ else
+ return 0;
}
static int match_place(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
if (dev->bus[0] != '\0') {
if (sysfs_device == NULL) {
dbg("device has no bus");
- goto no_good;
+ goto try_parent;
}
dbg("check for " FIELD_BUS " dev->bus='%s' sysfs_device->bus='%s'", dev->bus, sysfs_device->bus);
if (strcmp_pattern(dev->bus, sysfs_device->bus) != 0) {
dbg(FIELD_BUS " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_BUS " matches");
}
dbg("check for " FIELD_KERNEL " dev->kernel='%s' class_dev->name='%s'", dev->kernel, class_dev->name);
if (strcmp_pattern(dev->kernel, class_dev->name) != 0) {
dbg(FIELD_KERNEL " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_KERNEL " matches");
}
dbg("check " FIELD_ID);
if (match_id(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_ID " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_ID " matches");
}
dbg("check " FIELD_PLACE);
if (match_place(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_PLACE " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_PLACE " matches");
}
dbg("check " FIELD_SYSFS " pairs");
if (match_sysfs_pairs(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_SYSFS " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_SYSFS " matches");
}
apply_format(udev, dev->program);
if (execute_program(dev->program, udev->program_result, NAME_SIZE) != 0) {
dbg(FIELD_PROGRAM " returned nozero");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_PROGRAM " returned successful");
}
dev->result, udev->program_result);
if (strcmp_pattern(dev->result, udev->program_result) != 0) {
dbg(FIELD_RESULT " is not matching");
- goto no_good;
+ goto try_parent;
} else {
dbg(FIELD_RESULT " matches");
}
}
- /* check if we are instructed to ignore this device */
- if (dev->name[0] == '\0') {
- dbg("instructed to ignore this device");
- return -1;
- }
-
/* Yeah, we matched! */
return 0;
-no_good:
+try_parent:
+ dbg("try parent sysfs device");
sysfs_device = sysfs_get_device_parent(sysfs_device);
if (sysfs_device == NULL)
return -ENODEV;
dbg("sysfs_device->bus='%s'", sysfs_device->bus);
strfieldcpy(udev->bus_id, sysfs_device->bus_id);
wait_for_device_to_initialize(sysfs_device);
- } else {
- dbg("class_dev->name = '%s'", class_dev->name);
}
+ dbg("class_dev->name = '%s'", class_dev->name);
strfieldcpy(udev->kernel_name, class_dev->name);
+ fix_kernel_name(udev);
+ dbg("udev->kernel_name = '%s'", udev->kernel_name);
/* get kernel number */
pos = class_dev->name + strlen(class_dev->name);
/* look for a matching rule to apply */
list_for_each_entry(dev, &config_device_list, node) {
dbg("process rule");
-
if (match_rule(dev, class_dev, udev, sysfs_device) == 0) {
- /* Yup, this rule belongs to us! */
+ if (dev->name[0] == '\0') {
+ info("configured rule in '%s' at line %i applied, '%s' is ignored",
+ udev_rules_filename, dev->config_line, udev->kernel_name);
+ return -1;
+ }
+
info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
- udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
+ udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
strfieldcpy(udev->name, dev->name);
strfieldcpy(udev->symlink, dev->symlink);
goto found;
~ianmdlvl / elogind.git / blobdiff