*/
/* define this to enable parsing debugging */
-#define DEBUG_PARSER
+/* #define DEBUG_PARSER */
#include <stddef.h>
#include <stdlib.h>
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;
/* 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 line[255];
+ int lineno;
char *temp;
char *temp2;
char *temp3;
}
/* 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);
/* 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.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
dbg_parse("LABEL name = '%s', bus = '%s', "
"sysfs_file = '%s', sysfs_value = '%s'",
/* 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);
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.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'",
dev.name, dev.bus, dev.id);
/* 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);
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.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'",
dev.name, dev.bus, dev.place);
/* 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.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
dbg_parse("REPLACE name = %s, kernel_name = %s",
dev.name, dev.kernel_name);
}
/* PROGRAM="executable" */
retval = get_value("PROGRAM", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.exec_program, temp3);
+ break;
+ strfieldcpy(dev.exec_program, temp3);
/* BUS="bus" */
temp2 = strsep(&temp, ",");
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);
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.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
dbg_parse("CALLOUT name = %s, program = %s",
dev.name, dev.exec_program);
}
goto exit;
}
}
-
+ dbg_parse("%s:%d:%Zd: error parsing ``%s''", udev_config_filename,
+ lineno, temp - line, temp);
exit:
fclose(fd);
return retval;
continue;
if (strncmp(value, dev->id, sizeof(value)) != 0)
continue;
- strcpy(udev->name, dev->name);
+ strfieldcpy(udev->name, dev->name);
if (dev->mode != 0) {
udev->mode = dev->mode;
- strcpy(udev->owner, dev->owner);
- strcpy(udev->group, dev->group);
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
}
dbg_parse("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->id, udev->name,
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) {
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != LABEL)
+ continue;
+
+ 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 */
+ 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;
+ }
+
+ continue;
+
+label_found:
+ tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
+ dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value);
+ if (strcmp(dev->sysfs_value, tmpattr->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("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->sysfs_file, dev->sysfs_value, udev->name,
+ dev->owner, dev->group, dev->mode);
+
+ return 0;
+ }
+ return -ENODEV;
+}
+
+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("NUMBER path = '%s'", path);
+ dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL) {
+ found = 1;
+ } else {
+ *temp = 0x00;
+ temp = strrchr(path, '/');
+ dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL)
+ found = 1;
+ }
+ 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("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->id, udev->name,
+ dev->owner, dev->group, dev->mode);
+ return 0;
+ }
+ return -ENODEV;
+}
+
+
+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("TOPOLOGY path = '%s'", path);
+ dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
+ 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;
+
+ 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("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->place, 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;
if (strcmp(dev->kernel_name, class_dev->name) != 0)
continue;
- strcpy(udev->name, dev->name);
+ strfieldcpy(udev->name, dev->name);
if (dev->mode != 0) {
udev->mode = dev->mode;
- strcpy(udev->owner, dev->owner);
- strcpy(udev->group, dev->group);
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
}
dbg_parse("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->kernel_name, udev->name,
static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
{
- struct list_head *tmp;
struct sysfs_device *sysfs_device = NULL;
struct sysfs_class_device *class_dev_parent = NULL;
int retval = 0;
- int found;
char *temp = NULL;
udev->mode = 0;
char path[SYSFS_PATH_MAX];
dbg_parse("really is a partition...");
- strcpy(path, class_dev->path);
+ strfieldcpy(path, class_dev->path);
temp = strrchr(path, '/');
*temp = 0x00;
dbg_parse("looking for a class device at '%s'", path);
} else {
dbg_parse("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:
- {
- struct sysfs_attribute *tmpattr = NULL;
-
- 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 */
- 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;
- }
- continue;
-
-label_found:
- tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
- dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value);
- if (strcmp(dev->sysfs_value, tmpattr->value) != 0)
- continue;
+ /* rules are looked at in priority order */
+ retval = do_callout(class_dev, udev);
+ if (retval == 0)
+ goto done;
- strcpy(udev->name, dev->name);
- if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
- temp = &class_dev->path[strlen(class_dev->path)-1];
- strcat(udev->name, temp);
- }
- if (dev->mode != 0) {
- udev->mode = dev->mode;
- strcpy(udev->owner, dev->owner);
- strcpy(udev->group, dev->group);
- }
- dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->sysfs_file, dev->sysfs_value, udev->name,
- dev->owner, dev->group, dev->mode);
- goto done;
- break;
- }
- case NUMBER:
- {
- char path[SYSFS_PATH_MAX];
-
- found = 0;
- if (!sysfs_device)
- continue;
- strcpy(path, sysfs_device->path);
- 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) {
- 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;
-
- strcpy(udev->name, dev->name);
- if (dev->mode != 0) {
- udev->mode = dev->mode;
- strcpy(udev->owner, dev->owner);
- strcpy(udev->group, dev->group);
- }
- dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->id, udev->name,
- dev->owner, dev->group, dev->mode);
- goto done;
- break;
- }
- case TOPOLOGY:
- {
- char path[SYSFS_PATH_MAX];
-
- if (!sysfs_device)
- continue;
- found = 0;
- strcpy(path, sysfs_device->path);
- 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) {
- 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;
-
- strcpy(udev->name, dev->name);
- if (dev->mode != 0) {
- udev->mode = dev->mode;
- strcpy(udev->owner, dev->owner);
- strcpy(udev->group, dev->group);
- }
- dbg_parse("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->place, udev->name,
- dev->owner, dev->group, dev->mode);
- goto done;
- break;
- }
- case KERNEL_NAME:
- default:
- break;
- }
- }
+ retval = do_label(class_dev, udev, sysfs_device);
+ if (retval == 0)
+ goto done;
- /* rules are looked at in priority order */
+ retval = do_number(class_dev, udev, sysfs_device);
+ if (retval == 0)
+ goto done;
- retval = do_callout(class_dev, udev);
+ retval = do_topology(class_dev, udev, sysfs_device);
if (retval == 0)
goto done;
if (retval == 0)
goto done;
- strcpy(udev->name, class_dev->name);
+ strfieldcpy(udev->name, class_dev->name);
done:
+ /* 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 appended: %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("kernel number appended: %s", dig);
+ break;
+ case 'm':
+ sprintf(pos, "%u", udev->minor);
+ dbg("minor number appended: %u", udev->minor);
+ break;
+ case 'M':
+ sprintf(pos, "%u", udev->major);
+ dbg("major number appended: %u", udev->major);
+ break;
+ default:
+ dbg("unknown substitution type: %%%c", pos[1]);
+ break;
+ }
+ strcat(udev->name, name);
+ } else
+ break;
+ }
+
/* mode was never set above */
if (!udev->mode) {
udev->mode = get_default_mode(class_dev);
~ianmdlvl / elogind.git / blobdiff