/* SPDX-License-Identifier: GPL-2.0+ */ #pragma once /* * Copyright © 2003 Greg Kroah-Hartman */ #include #include #include #include "libudev.h" #include "sd-netlink.h" #include "label.h" #include "libudev-private.h" #include "macro.h" #include "strv.h" #include "util.h" struct udev_event { struct udev_device *dev; struct udev_device *dev_parent; struct udev_device *dev_db; char *name; char *program_result; mode_t mode; uid_t uid; gid_t gid; struct udev_list seclabel_list; struct udev_list run_list; int exec_delay; usec_t birth_usec; sd_netlink *rtnl; unsigned int builtin_run; unsigned int builtin_ret; bool inotify_watch; bool inotify_watch_final; bool group_set; bool group_final; bool owner_set; bool owner_final; bool mode_set; bool mode_final; bool name_final; bool devlink_final; bool run_final; }; /* udev-rules.c */ struct udev_rules; struct udev_rules *udev_rules_new(int resolve_names); struct udev_rules *udev_rules_unref(struct udev_rules *rules); bool udev_rules_check_timestamp(struct udev_rules *rules); void udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, struct udev_list *properties_list); int udev_rules_apply_static_dev_perms(struct udev_rules *rules); /* udev-event.c */ struct udev_event *udev_event_new(struct udev_device *dev); void udev_event_unref(struct udev_event *event); size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size, bool replace_whitespace); int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, char *result, size_t maxsize, int read_value); int udev_event_spawn(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, bool accept_failure, const char *cmd, char *result, size_t ressize); void udev_event_execute_rules(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, struct udev_list *properties_list, struct udev_rules *rules); void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec); int udev_build_argv(char *cmd, int *argc, char *argv[]); /* udev-watch.c */ int udev_watch_init(void); void udev_watch_restore(void); void udev_watch_begin(struct udev_device *dev); void udev_watch_end(struct udev_device *dev); struct udev_device *udev_watch_lookup(int wd); /* udev-node.c */ void udev_node_add(struct udev_device *dev, bool apply, mode_t mode, uid_t uid, gid_t gid, struct udev_list *seclabel_list); void udev_node_remove(struct udev_device *dev); void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old); /* udev-ctrl.c */ struct udev_ctrl; struct udev_ctrl *udev_ctrl_new(void); struct udev_ctrl *udev_ctrl_new_from_fd(int fd); int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl); int udev_ctrl_cleanup(struct udev_ctrl *uctrl); int udev_ctrl_get_fd(struct udev_ctrl *uctrl); int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout); int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout); int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout); int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout); int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout); int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout); int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout); int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout); struct udev_ctrl_connection; struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl); struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn); struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn); struct udev_ctrl_msg; struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn); struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg); const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg); int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg); /* built-in commands */ enum udev_builtin_cmd { #if HAVE_BLKID UDEV_BUILTIN_BLKID, #endif UDEV_BUILTIN_BTRFS, UDEV_BUILTIN_HWDB, UDEV_BUILTIN_INPUT_ID, UDEV_BUILTIN_KEYBOARD, #if HAVE_KMOD UDEV_BUILTIN_KMOD, #endif UDEV_BUILTIN_NET_ID, UDEV_BUILTIN_NET_LINK, UDEV_BUILTIN_PATH_ID, UDEV_BUILTIN_USB_ID, #if HAVE_ACL UDEV_BUILTIN_UACCESS, #endif UDEV_BUILTIN_MAX }; struct udev_builtin { const char *name; int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); const char *help; int (*init)(void); void (*exit)(void); bool (*validate)(void); bool run_once; }; #if HAVE_BLKID extern const struct udev_builtin udev_builtin_blkid; #endif extern const struct udev_builtin udev_builtin_btrfs; extern const struct udev_builtin udev_builtin_hwdb; extern const struct udev_builtin udev_builtin_input_id; extern const struct udev_builtin udev_builtin_keyboard; #if HAVE_KMOD extern const struct udev_builtin udev_builtin_kmod; #endif extern const struct udev_builtin udev_builtin_net_id; extern const struct udev_builtin udev_builtin_net_setup_link; extern const struct udev_builtin udev_builtin_path_id; extern const struct udev_builtin udev_builtin_usb_id; extern const struct udev_builtin udev_builtin_uaccess; void udev_builtin_init(void); void udev_builtin_exit(void); enum udev_builtin_cmd udev_builtin_lookup(const char *command); const char *udev_builtin_name(enum udev_builtin_cmd cmd); bool udev_builtin_run_once(enum udev_builtin_cmd cmd); int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test); void udev_builtin_list(void); bool udev_builtin_validate(void); int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val); int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *prefix, const char *modalias, const char *filter, bool test); /* Cleanup functions */ DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev_event*, udev_event_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev_rules*, udev_rules_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev_ctrl*, udev_ctrl_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev_ctrl_connection*, udev_ctrl_connection_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev_ctrl_msg*, udev_ctrl_msg_unref);