143 lines
5.1 KiB
C
143 lines
5.1 KiB
C
/*
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* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2003-2008 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _UDEV_H_
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#define _UDEV_H_
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#include <sys/types.h>
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#include <sys/param.h>
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#include "libudev.h"
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#include "libudev-private.h"
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#define DEFAULT_FAKE_PARTITIONS_COUNT 15
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#define UDEV_EVENT_TIMEOUT 180
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#define UDEV_CTRL_SOCK_PATH "@" UDEV_PREFIX "/org/kernel/udev/udevd"
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#define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
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#define READ_END 0
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#define WRITE_END 1
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static inline void logging_init(const char *program_name)
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{
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openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON);
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}
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static inline void logging_msg(struct udev *udev, int priority,
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const char *file, int line, const char *fn,
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const char *format, va_list args)
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{
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vsyslog(priority, format, args);
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}
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static inline void logging_close(void)
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{
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closelog();
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}
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struct udev_event {
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struct udev *udev;
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struct udev_device *dev;
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struct udev_device *dev_parent;
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char *name;
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char *tmp_node;
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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_node run_list;
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unsigned int group_final:1;
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unsigned int owner_final:1;
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unsigned int mode_final:1;
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unsigned int name_final:1;
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unsigned int devlink_final:1;
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unsigned int run_final:1;
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unsigned int ignore_device:1;
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unsigned int inotify_watch:1;
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};
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struct udev_watch {
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struct udev_list_node node;
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int handle;
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char *name;
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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(struct udev *udev, int resolve_names);
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void udev_rules_unref(struct udev_rules *rules);
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int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event);
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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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int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules);
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int udev_event_execute_run(struct udev_event *event);
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size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size);
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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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/* udev-watch.c */
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int udev_watch_init(struct udev *udev);
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void udev_watch_restore(struct udev *udev);
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void udev_watch_begin(struct udev *udev, struct udev_device *dev);
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void udev_watch_end(struct udev *udev, struct udev_device *dev);
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struct udev_device *udev_watch_lookup(struct udev *udev, int wd);
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/* udev-node.c */
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int udev_node_mknod(struct udev_device *dev, const char *file, dev_t devnum, mode_t mode, uid_t uid, gid_t gid);
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int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid);
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int 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-util.c */
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int util_create_path(struct udev *udev, const char *path);
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int util_delete_path(struct udev *udev, const char *path);
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int util_unlink_secure(struct udev *udev, const char *filename);
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uid_t util_lookup_user(struct udev *udev, const char *user);
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gid_t util_lookup_group(struct udev *udev, const char *group);
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int util_run_program(struct udev *udev, const char *command, char **envp,
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char *result, size_t ressize, size_t *reslen);
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int util_resolve_subsys_kernel(struct udev *udev, const char *string,
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char *result, size_t maxsize, int read_value);
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/* udev-selinux.c */
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#ifndef USE_SELINUX
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static inline void udev_selinux_init(struct udev *udev) {}
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static inline void udev_selinux_exit(struct udev *udev) {}
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static inline void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) {}
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static inline void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) {}
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static inline void udev_selinux_resetfscreatecon(struct udev *udev) {}
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#else
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void udev_selinux_init(struct udev *udev);
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void udev_selinux_exit(struct udev *udev);
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void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode);
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void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode);
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void udev_selinux_resetfscreatecon(struct udev *udev);
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#endif
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/* udevadm commands */
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int udevadm_monitor(struct udev *udev, int argc, char *argv[]);
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int udevadm_info(struct udev *udev, int argc, char *argv[]);
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int udevadm_control(struct udev *udev, int argc, char *argv[]);
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int udevadm_trigger(struct udev *udev, int argc, char *argv[]);
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int udevadm_settle(struct udev *udev, int argc, char *argv[]);
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int udevadm_test(struct udev *udev, int argc, char *argv[]);
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#endif
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