X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Fudev.h;h=d5445e84e6d1dcd171e1d1776711d6163fcdbdb4;hp=d5fa4f3edc9f96863fce1316ba840d5595782561;hb=e216e514cf0c3bc6352f43fa3a7ffad221200bca;hpb=047f88bca31f364253fe230a1c2ec7fbc43c7fc3 diff --git a/udev/udev.h b/udev/udev.h index d5fa4f3ed..d5445e84e 100644 --- a/udev/udev.h +++ b/udev/udev.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2003 Greg Kroah-Hartman - * Copyright (C) 2003-2008 Kay Sievers + * 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 @@ -21,62 +21,40 @@ #include #include +#include -#include "udev-sysdeps.h" -#include "lib/libudev.h" -#include "lib/libudev-private.h" - -#define DEFAULT_FAKE_PARTITIONS_COUNT 15 -#define UDEV_EVENT_TIMEOUT 180 - -#define UDEV_CTRL_SOCK_PATH "@" UDEV_PREFIX "/org/kernel/udev/udevd" - -#define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b)) -#define READ_END 0 -#define WRITE_END 1 - -static inline void logging_init(const char *program_name) -{ - openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON); -} - -static inline void logging_msg(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) -{ - vsyslog(priority, format, args); -} - -static inline void logging_close(void) -{ - closelog(); -} +#include "libudev.h" +#include "libudev-private.h" struct udev_event { - struct udev_list_node node; struct udev *udev; struct udev_device *dev; struct udev_device *dev_parent; + struct udev_device *dev_db; char *name; char *tmp_node; char *program_result; mode_t mode; uid_t uid; gid_t gid; - struct udev_list_node run_list; - pid_t pid; - int exitstatus; - time_t queue_time; - unsigned long long int delaying_seqnum; - unsigned int group_final:1; - unsigned int owner_final:1; - unsigned int mode_final:1; - unsigned int name_final:1; - unsigned int devlink_final:1; - unsigned int run_final:1; - unsigned int ignore_device:1; - unsigned int inotify_watch:1; - unsigned int trace:1; + struct udev_list run_list; + int exec_delay; + unsigned long long birth_usec; + unsigned long long 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 static_node; + bool name_final; + bool devlink_final; + bool run_final; }; struct udev_watch { @@ -87,64 +65,115 @@ struct udev_watch { /* udev-rules.c */ struct udev_rules; -extern struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); -extern void udev_rules_unref(struct udev_rules *rules); -extern int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event); +struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); +void udev_rules_unref(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 */ -extern struct udev_event *udev_event_new(struct udev_device *dev); -extern void udev_event_unref(struct udev_event *event); -extern int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules); -extern int udev_event_execute_run(struct udev_event *event); -extern void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize); -extern int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, - char *result, size_t maxsize, int read_value); +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); +int 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 */ -extern int inotify_fd; -extern void udev_watch_init(struct udev *udev); -extern void udev_watch_restore(struct udev *udev); -extern void udev_watch_begin(struct udev *udev, struct udev_device *dev); -extern void udev_watch_end(struct udev *udev, struct udev_device *dev); -extern struct udev_device *udev_watch_lookup(struct udev *udev, int wd); +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 */ -extern int udev_node_mknod(struct udev_device *dev, const char *file, dev_t devnum, mode_t mode, uid_t uid, gid_t gid); -extern int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid); -extern int udev_node_remove(struct udev_device *dev); -extern void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old); - -/* udev-util.c */ -extern int util_create_path(struct udev *udev, const char *path); -extern int util_delete_path(struct udev *udev, const char *path); -extern int util_unlink_secure(struct udev *udev, const char *filename); -extern uid_t util_lookup_user(struct udev *udev, const char *user); -extern gid_t util_lookup_group(struct udev *udev, const char *group); -extern int util_run_program(struct udev *udev, const char *command, char **envp, - char *result, size_t ressize, size_t *reslen); -extern int util_resolve_subsys_kernel(struct udev *udev, const char *string, - char *result, size_t maxsize, int read_value); - -/* udev-selinux.c */ -#ifndef USE_SELINUX -static inline void udev_selinux_init(struct udev *udev) {} -static inline void udev_selinux_exit(struct udev *udev) {} -static inline void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) {} -static inline void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) {} -static inline void udev_selinux_resetfscreatecon(struct udev *udev) {} -#else -extern void udev_selinux_init(struct udev *udev); -extern void udev_selinux_exit(struct udev *udev); -extern void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode); -extern void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode); -extern void udev_selinux_resetfscreatecon(struct udev *udev); -#endif +int udev_node_mknod(struct udev_device *dev, const char *file, mode_t mode, uid_t uid, gid_t gid); +int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid); +int 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_rules(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_rules(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); /* udevadm commands */ -extern int udevadm_monitor(struct udev *udev, int argc, char *argv[]); -extern int udevadm_info(struct udev *udev, int argc, char *argv[]); -extern int udevadm_control(struct udev *udev, int argc, char *argv[]); -extern int udevadm_trigger(struct udev *udev, int argc, char *argv[]); -extern int udevadm_settle(struct udev *udev, int argc, char *argv[]); -extern int udevadm_test(struct udev *udev, int argc, char *argv[]); +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_monitor; +extern const struct udevadm_cmd udevadm_info; +extern const struct udevadm_cmd udevadm_control; +extern const struct udevadm_cmd udevadm_trigger; +extern const struct udevadm_cmd udevadm_settle; +extern const struct udevadm_cmd udevadm_test; +extern const struct udevadm_cmd udevadm_test_builtin; + +/* built-in commands */ +enum udev_builtin_cmd { + UDEV_BUILTIN_PATH_ID, + UDEV_BUILTIN_USB_ID, + UDEV_BUILTIN_INPUT_ID, + UDEV_BUILTIN_BLKID, + UDEV_BUILTIN_KMOD, + 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 (*load)(struct udev *udev); + int (*unload)(struct udev *udev); + bool run_once; +}; +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_input_id; +extern const struct udev_builtin udev_builtin_blkid; +extern const struct udev_builtin udev_builtin_kmod; +int udev_builtin_load(struct udev *udev); +int udev_builtin_unload(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); +int udev_builtin_list(struct udev *udev); +int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val, ...); #endif