diff options
Diffstat (limited to 'udev.h')
| -rw-r--r-- | udev.h | 108 |
1 files changed, 80 insertions, 28 deletions
@@ -24,8 +24,11 @@ #include <sys/types.h> #include <sys/param.h> -#include "libsysfs/sysfs/libsysfs.h" + #include "list.h" +#include "logging.h" +#include "udev_libc_wrapper.h" +#include "udev_version.h" #define COMMENT_CHARACTER '#' #define PATH_TO_NAME_CHAR '@' @@ -39,24 +42,32 @@ #define DEFAULT_PARTITIONS_COUNT 15 #define UDEV_ALARM_TIMEOUT 180 +#define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b)) + +/* pipes */ +#define READ_END 0 +#define WRITE_END 1 + #define DB_DIR ".udev/db" struct udev_rules; -enum device_type { - DEV_UNKNOWN, - DEV_CLASS, - DEV_BLOCK, - DEV_NET, - DEV_DEVICE, +struct sysfs_device { + struct list_head node; /* for device cache */ + char devpath[PATH_SIZE]; + char subsystem[NAME_SIZE]; /* $class/$bus/"drivers */ + char kernel_name[NAME_SIZE]; /* device instance name */ + char kernel_number[NAME_SIZE]; + char driver[NAME_SIZE]; /* device driver name */ }; struct udevice { - char devpath[PATH_SIZE]; - char subsystem[NAME_SIZE]; + /* device event */ + struct sysfs_device *dev; + struct sysfs_device dev_local; char action[NAME_SIZE]; - enum device_type type; + /* node */ char name[PATH_SIZE]; struct list_head symlink_list; int symlink_final; @@ -67,42 +78,83 @@ struct udevice { mode_t mode; int mode_final; dev_t devt; + + /* event processing */ struct list_head run_list; int run_final; struct list_head env_list; - char tmp_node[PATH_SIZE]; int partitions; int ignore_device; int ignore_remove; - char bus_id[NAME_SIZE]; char program_result[PATH_SIZE]; - char kernel_number[NAME_SIZE]; - char kernel_name[NAME_SIZE]; int test_run; }; -extern int udev_init_device(struct udevice *udev, const char* devpath, const char *subsystem, const char *action); -extern void udev_cleanup_device(struct udevice *udev); -extern dev_t get_devt(struct sysfs_class_device *class_dev); -extern int udev_process_event(struct udev_rules *rules, struct udevice *udev); -extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev); -extern int udev_remove_device(struct udevice *udev); -extern void udev_init_config(void); -extern int udev_start(void); +/* udev_config.c */ +extern char udev_root[PATH_SIZE]; +extern char udev_config_filename[PATH_SIZE]; +extern char udev_rules_filename[PATH_SIZE]; +extern int udev_log_priority; +extern int udev_run; +extern void udev_config_init(void); + +/* udev_device.c */ +extern struct udevice *udev_device_init(void); +extern void udev_device_cleanup(struct udevice *udev); +extern int udev_device_event(struct udev_rules *rules, struct udevice *udev); +extern dev_t udev_device_get_devt(struct udevice *udev); + +/* udev_sysfs.c */ +extern char sysfs_path[PATH_SIZE]; +extern int sysfs_init(void); +extern void sysfs_cleanup(void); +extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath, const char *subsystem); +extern struct sysfs_device *sysfs_device_get(const char *devpath); +extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev); +extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name); + +/* udev_add.c / udev_remove.c */ +extern int udev_add_device(struct udevice *udev); extern int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid); +extern int udev_remove_device(struct udevice *udev); +/* udev_db.c */ extern int udev_db_add_device(struct udevice *dev); extern int udev_db_delete_device(struct udevice *dev); extern int udev_db_get_device(struct udevice *udev, const char *devpath); extern int udev_db_lookup_name(const char *name, char *devpath, size_t len); extern int udev_db_get_all_entries(struct list_head *name_list); -extern char sysfs_path[PATH_SIZE]; -extern char udev_root[PATH_SIZE]; -extern char udev_config_filename[PATH_SIZE]; -extern char udev_rules_filename[PATH_SIZE]; -extern int udev_log_priority; -extern int udev_run; +/* udev_utils.c */ +struct name_entry { + struct list_head node; + char name[PATH_SIZE]; +}; +extern int log_priority(const char *priority); +extern int name_list_add(struct list_head *name_list, const char *name, int sort); +extern int name_list_key_add(struct list_head *name_list, const char *key, const char *value); +extern void name_list_cleanup(struct list_head *name_list); +extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix); + +/* udev_utils_string.c */ +extern int strcmp_pattern(const char *p, const char *s); +extern int string_is_true(const char *str); +extern void remove_trailing_chars(char *path, char c); +extern int utf8_encoded_valid_unichar(const char *str); +extern int replace_untrusted_chars(char *str); + +/* udev_utils_file.c */ +extern int create_path(const char *path); +extern int delete_path(const char *path); +extern int file_map(const char *filename, char **buf, size_t *bufsize); +extern void file_unmap(void *buf, size_t bufsize); +extern int unlink_secure(const char *filename); +extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur); + +/* udev_utils_run.c */ +extern int pass_env_to_socket(const char *name, const char *devpath, const char *action); +extern int run_program(const char *command, const char *subsystem, + char *result, size_t ressize, size_t *reslen, int log); #endif |