chiark / gitweb /
add builtin load/unload initializers
[elogind.git] / udev / udev.h
index 927ff36e0116bdcdd45338d091085a51fe7f1b61..a07c525a89431ec7f12a57273e8023218014b462 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (C) 2003-2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2003-2010 Kay Sievers <kay.sievers@vrfy.org>
  *
  * 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
 
 #include <sys/types.h>
 #include <sys/param.h>
+#include <signal.h>
 
-#include "udev-sysdeps.h"
-#include "lib/libudev.h"
-#include "lib/libudev-private.h"
-
-#define ALLOWED_CHARS                          "#+-.:=@_"
-#define ALLOWED_CHARS_FILE                     ALLOWED_CHARS "/"
-#define ALLOWED_CHARS_INPUT                    ALLOWED_CHARS_FILE " $%?,"
-
-#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 *udev;
        struct udev_device *dev;
        struct udev_device *dev_parent;
-       int devlink_final;
-       char name[UTIL_PATH_SIZE];
-       int name_final;
-       int name_ignore;
+       struct udev_device *dev_db;
+       char *name;
        char *tmp_node;
        char *program_result;
        mode_t mode;
-       int mode_final;
        uid_t uid;
-       int owner_final;
        gid_t gid;
-       int group_final;
-       struct udev_list_node run_list;
-       int run_final;
-       int ignore_device;
-       int test;
+       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 {
        struct udev_list_node node;
-       pid_t pid;
-       int exitstatus;
-       time_t queue_time;
+       int handle;
+       char *name;
 };
 
 /* 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);
+
+/* 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 */
-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, int test);
-extern int udev_node_remove(struct udev_device *dev, int test);
-extern void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old, int test);
-
-/* 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, const char *command, 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