/*
- * udev.h
- *
- * Userspace devfs
- *
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2006 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 the
*
* 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
-#ifndef UDEV_H
-#define UDEV_H
+#ifndef _UDEV_H_
+#define _UDEV_H_
-#include <sysfs/libsysfs.h>
-#include <stddef.h>
+#include <sys/types.h>
#include <sys/param.h>
-#define COMMENT_CHARACTER '#'
+#include "list.h"
+#include "logging.h"
+#include "udev_sysdeps.h"
+#include "udev_version.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 "/"
+#define ALLOWED_CHARS_INPUT ALLOWED_CHARS_FILE " $%?,"
+
+#define DEFAULT_PARTITIONS_COUNT 15
+#define UDEV_ALARM_TIMEOUT 180
+
+#define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
-#define NAME_SIZE 100
-#define OWNER_SIZE 30
-#define GROUP_SIZE 30
-#define MODE_SIZE 8
+/* pipes */
+#define READ_END 0
+#define WRITE_END 1
-/* length of public data */
-#define UDEVICE_LEN (offsetof(struct udevice, bus_id))
+#define DB_DIR ".udev/db"
+#define DB_NAME_INDEX_DIR ".udev/names"
+#define RULES_DYN_DIR ".udev/rules.d"
+
+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 {
- char name[NAME_SIZE];
- char owner[OWNER_SIZE];
- char group[GROUP_SIZE];
- char type;
- int major;
- int minor;
- unsigned int mode; /* not mode_t due to conflicting definitions in different libcs */
- char symlink[NAME_SIZE];
+ /* 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];
+ 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;
+ int run_final;
+ struct list_head env_list;
+ char tmp_node[PATH_SIZE];
int partitions;
+ int ignore_device;
+ int ignore_remove;
+ char program_result[PATH_SIZE];
+ int link_priority;
+ int test_run;
+};
- /* private data that help us in building strings */
- char bus_id[SYSFS_NAME_LEN];
- char program_result[NAME_SIZE];
- char kernel_number[NAME_SIZE];
- char kernel_name[NAME_SIZE];
+/* 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(struct udevice *udev);
+extern void udev_device_cleanup(struct udevice *udev);
+extern int udev_device_event(struct udev_rules *rules, struct udevice *udev);
+extern dev_t udev_device_get_devt(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;
};
-#define strfieldcpy(to, from) \
-do { \
- to[sizeof(to)-1] = '\0'; \
- strncpy(to, from, sizeof(to)-1); \
-} while (0)
-
-extern int udev_add_device(char *path, char *subsystem, int fake);
-extern int udev_remove_device(char *path, char *subsystem);
-extern void udev_init_config(void);
-extern int parse_get_pair(char **orig_string, char **left, char **right);
-
-extern char **main_argv;
-extern char **main_envp;
-extern char sysfs_path[SYSFS_PATH_MAX];
-extern char udev_root[PATH_MAX];
-extern char udev_db_filename[PATH_MAX+NAME_MAX];
-extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
-extern char udev_config_filename[PATH_MAX+NAME_MAX];
-extern char udev_rules_filename[PATH_MAX+NAME_MAX];
-extern char default_mode_str[MODE_SIZE];
-extern char default_owner_str[OWNER_SIZE];
-extern char default_group_str[GROUP_SIZE];
-extern int udev_log;
-extern int udev_sleep;
+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);
+
+/* 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[], char *envp[]);
+extern int udevinfo(int argc, char *argv[], char *envp[]);
+extern int udevcontrol(int argc, char *argv[], char *envp[]);
+extern int udevtrigger(int argc, char *argv[], char *envp[]);
+extern int udevsettle(int argc, char *argv[], char *envp[]);
+extern int udevtest(int argc, char *argv[], char *envp[]);
#endif
~ianmdlvl / elogind.git / blobdiff