X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Fudev.h;h=e5c7cd192f7b431c4b5c56e10b232ac91b209523;hp=da86365056e47d7c8aaa49d70cf6ded43dd75584;hb=a390e6f764087b74b1567e1daf1f1c41eae42c74;hpb=593453115b777368252ca4231537ad2a9e6d8ffb diff --git a/udev/udev.h b/udev/udev.h index da8636505..e5c7cd192 100644 --- a/udev/udev.h +++ b/udev/udev.h @@ -1,20 +1,19 @@ /* * Copyright (C) 2003 Greg Kroah-Hartman - * Copyright (C) 2003-2006 Kay Sievers + * Copyright (C) 2003-2008 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 version 2 of the License. - * - * 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, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * 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_ @@ -23,15 +22,10 @@ #include #include +#include "udev-sysdeps.h" +#include "lib/libudev.h" +#include "lib/libudev-private.h" #include "list.h" -#include "logging.h" -#include "udev_sysdeps.h" - -#define COMMENT_CHARACTER '#' -#define LINE_SIZE 512 -#define PATH_SIZE 512 -#define NAME_SIZE 256 -#define VALUE_SIZE 128 #define ALLOWED_CHARS "#+-.:=@_" #define ALLOWED_CHARS_FILE ALLOWED_CHARS "/" @@ -40,6 +34,12 @@ #define DEFAULT_PARTITIONS_COUNT 15 #define UDEV_EVENT_TIMEOUT 180 +/* linux/include/linux/kobject.h */ +#define UEVENT_BUFFER_SIZE 2048 +#define UEVENT_NUM_ENVP 32 + +#define UDEV_CTRL_SOCK_PATH "@" UDEV_PREFIX "/org/kernel/udev/udevd" + #define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b)) /* pipes */ @@ -48,131 +48,91 @@ struct udev_rules; -struct sysfs_device { - struct list_head node; /* for device cache */ - struct sysfs_device *parent; /* already cached parent*/ - char devpath[PATH_SIZE]; - char subsystem[NAME_SIZE]; /* $class, $bus, drivers, module */ - char kernel[NAME_SIZE]; /* device instance name */ - char kernel_number[NAME_SIZE]; - char driver[NAME_SIZE]; /* device driver name */ -}; - -struct udevice { - /* device event */ - struct sysfs_device *dev; /* points to dev_local by default */ - struct sysfs_device dev_local; - struct sysfs_device *dev_parent; /* current parent device used for matching */ - char action[NAME_SIZE]; - char *devpath_old; - - /* node */ - char name[PATH_SIZE]; - struct list_head symlink_list; - int symlink_final; - char owner[NAME_SIZE]; +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(); +} + +/* udev-event.c */ +struct udev_event { + struct udev *udev; + struct udev_device *dev; + struct udev_device *dev_parent; + int devlink_final; int owner_final; - char group[NAME_SIZE]; int group_final; - mode_t mode; int mode_final; - dev_t devt; - - /* event processing */ - struct list_head run_list; + char tmp_node[UTIL_PATH_SIZE]; + char program_result[UTIL_PATH_SIZE]; int run_final; - struct list_head env_list; - char tmp_node[PATH_SIZE]; - int partitions; + + char name[UTIL_PATH_SIZE]; + mode_t mode; + char owner[UTIL_NAME_SIZE]; + char group[UTIL_NAME_SIZE]; + struct udev_list_node run_list; int ignore_device; - int ignore_remove; - char program_result[PATH_SIZE]; - int link_priority; - int event_timeout; - int test_run; -}; + int test; -/* udev_config.c */ -extern char udev_root[PATH_SIZE]; -extern char udev_config_filename[PATH_SIZE]; -extern char udev_rules_dir[PATH_SIZE]; -extern int udev_log_priority; -extern int udev_run; -extern void udev_config_init(void); - -/* udev_device.c */ -extern struct udevice *udev_device_init(void); -extern void udev_device_cleanup(struct udevice *udev); -extern dev_t udev_device_get_devt(struct udevice *udev); - -/* udev_device_event.c */ -extern int udev_device_event(struct udev_rules *rules, struct udevice *udev); - -/* udev_sysfs.c */ -extern char sysfs_path[PATH_SIZE]; -extern int sysfs_init(void); -extern void sysfs_cleanup(void); -extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath, - const char *subsystem, const char *driver); -extern struct sysfs_device *sysfs_device_get(const char *devpath); -extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev); -extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem); -extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name); -extern int sysfs_resolve_link(char *path, size_t size); -extern int sysfs_lookup_devpath_by_subsys_id(char *devpath, size_t len, const char *subsystem, const char *id); - -/* udev_node.c */ -extern int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid); -extern void udev_node_update_symlinks(struct udevice *udev, struct udevice *udev_old); -extern int udev_node_add(struct udevice *udev); -extern int udev_node_remove(struct udevice *udev); - -/* udev_db.c */ -extern int udev_db_add_device(struct udevice *dev); -extern int udev_db_delete_device(struct udevice *dev); -extern int udev_db_rename(const char *devpath_old, const char *devpath); -extern int udev_db_get_device(struct udevice *udev, const char *devpath); -extern int udev_db_get_devices_by_name(const char *name, struct list_head *name_list); -extern int udev_db_get_all_entries(struct list_head *name_list); - -/* udev_utils.c */ -struct name_entry { struct list_head node; - char name[PATH_SIZE]; - unsigned int ignore_error:1; + pid_t pid; + int exitstatus; + time_t queue_time; }; - -extern int log_priority(const char *priority); -extern struct name_entry *name_list_add(struct list_head *name_list, const char *name, int sort); -extern struct name_entry *name_list_key_add(struct list_head *name_list, const char *key, const char *value); -extern int name_list_key_remove(struct list_head *name_list, const char *key); -extern void name_list_cleanup(struct list_head *name_list); -extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix); -extern uid_t lookup_user(const char *user); -extern gid_t lookup_group(const char *group); - -/* udev_utils_string.c */ -extern int string_is_true(const char *str); -extern void remove_trailing_chars(char *path, char c); -extern size_t path_encode(char *s, size_t len); -extern size_t path_decode(char *s); -extern int utf8_encoded_valid_unichar(const char *str); -extern int replace_chars(char *str, const char *white); +extern struct udev_event *udev_event_new(struct udev_device *dev); +extern void udev_event_unref(struct udev_event *event); +extern int udev_event_run(struct udev_event *event, struct udev_rules *rules); + +/* 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, const char *owner, const char *group, 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 create_path(struct udev *udev, const char *path); +extern int delete_path(struct udev *udev, const char *path); +extern int unlink_secure(struct udev *udev, const char *filename); +extern uid_t lookup_user(struct udev *udev, const char *user); +extern gid_t lookup_group(struct udev *udev, const char *group); /* udev_utils_file.c */ -extern int create_path(const char *path); -extern int delete_path(const char *path); extern int file_map(const char *filename, char **buf, size_t *bufsize); extern void file_unmap(void *buf, size_t bufsize); -extern int unlink_secure(const char *filename); extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur); -/* udev commands */ -extern int udevmonitor(int argc, char *argv[]); -extern int udevinfo(int argc, char *argv[]); -extern int udevcontrol(int argc, char *argv[]); -extern int udevtrigger(int argc, char *argv[]); -extern int udevsettle(int argc, char *argv[]); -extern int udevtest(int argc, char *argv[]); +/* udev-selinux.c */ +#ifndef USE_SELINUX +static inline void selinux_init(struct udev *udev) {} +static inline void 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 selinux_init(struct udev *udev); +extern void 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 +/* 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[]); #endif