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