/* * Copyright (C) 2003 Greg Kroah-Hartman * Copyright (C) 2003-2010 Kay Sievers * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef _UDEV_H_ #define _UDEV_H_ #include #include #include #include "libudev.h" #include "libudev-private.h" #include "util.h" #include "label.h" #include "strv.h" struct udev_event { struct udev *udev; 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 run_list; int exec_delay; usec_t birth_usec; usec_t timeout_usec; int fd_signal; unsigned int builtin_run; unsigned int builtin_ret; bool sigterm; bool inotify_watch; bool inotify_watch_final; bool group_final; bool owner_final; bool mode_set; bool mode_final; bool name_final; bool devlink_final; bool run_final; }; struct udev_watch { struct udev_list_node node; int handle; char *name; }; /* udev-rules.c */ struct udev_rules; struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); struct udev_rules *udev_rules_unref(struct udev_rules *rules); bool udev_rules_check_timestamp(struct udev_rules *rules); int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask); void 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); 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, const char *cmd, char **envp, const sigset_t *sigmask, char *result, size_t ressize); int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset); void udev_event_execute_run(struct udev_event *event, const sigset_t *sigset); int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]); /* udev-watch.c */ int udev_watch_init(struct udev *udev); void udev_watch_restore(struct udev *udev); void udev_watch_begin(struct udev *udev, struct udev_device *dev); void udev_watch_end(struct udev *udev, struct udev_device *dev); struct udev_device *udev_watch_lookup(struct udev *udev, int wd); /* udev-node.c */ void udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid); 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(struct udev *udev); struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd); int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl); struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl); int udev_ctrl_cleanup(struct udev_ctrl *uctrl); struct udev *udev_ctrl_get_udev(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_ref(struct udev_ctrl_msg *ctrl_msg); 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 { UDEV_BUILTIN_BLKID, UDEV_BUILTIN_BTRFS, UDEV_BUILTIN_FIRMWARE, UDEV_BUILTIN_HWDB, UDEV_BUILTIN_INPUT_ID, #ifdef HAVE_MODULES UDEV_BUILTIN_KMOD, #endif UDEV_BUILTIN_NET_ID, UDEV_BUILTIN_PATH_ID, UDEV_BUILTIN_USB_ID, 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)(struct udev *udev); void (*exit)(struct udev *udev); bool (*validate)(struct udev *udev); bool run_once; }; extern const struct udev_builtin udev_builtin_blkid; extern const struct udev_builtin udev_builtin_btrfs; extern const struct udev_builtin udev_builtin_firmware; extern const struct udev_builtin udev_builtin_hwdb; extern const struct udev_builtin udev_builtin_input_id; #ifdef HAVE_MODULES 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_path_id; extern const struct udev_builtin udev_builtin_usb_id; void udev_builtin_init(struct udev *udev); void udev_builtin_exit(struct udev *udev); 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(struct udev *udev); bool udev_builtin_validate(struct udev *udev); 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 *modalias, bool test); /* udev logging */ void udev_main_log(struct udev *udev, int priority, const char *file, int line, const char *fn, const char *format, va_list args); /* udevadm commands */ struct udevadm_cmd { const char *name; int (*cmd)(struct udev *udev, int argc, char *argv[]); const char *help; int debug; }; extern const struct udevadm_cmd udevadm_info; extern const struct udevadm_cmd udevadm_trigger; extern const struct udevadm_cmd udevadm_settle; extern const struct udevadm_cmd udevadm_control; extern const struct udevadm_cmd udevadm_monitor; extern const struct udevadm_cmd udevadm_hwdb; extern const struct udevadm_cmd udevadm_test; extern const struct udevadm_cmd udevadm_test_builtin; #endif