135 lines
3 KiB
C
135 lines
3 KiB
C
/*
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* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2004-2008 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_RULES_H
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#define UDEV_RULES_H
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#include "udev.h"
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#define PAIRS_MAX 5
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enum key_operation {
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KEY_OP_UNSET,
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KEY_OP_MATCH,
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KEY_OP_NOMATCH,
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KEY_OP_ADD,
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KEY_OP_ASSIGN,
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KEY_OP_ASSIGN_FINAL,
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};
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struct key {
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enum key_operation operation;
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size_t val_off;
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};
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struct key_pair {
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struct key key;
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size_t key_name_off;
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};
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struct key_pairs {
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int count;
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struct key_pair keys[PAIRS_MAX];
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};
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enum import_type {
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IMPORT_UNSET,
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IMPORT_PROGRAM,
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IMPORT_FILE,
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IMPORT_PARENT,
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};
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enum escape_type {
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ESCAPE_UNSET,
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ESCAPE_NONE,
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ESCAPE_REPLACE,
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};
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struct udev_rule {
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struct key action;
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struct key devpath;
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struct key kernel;
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struct key subsystem;
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struct key driver;
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struct key_pairs attr;
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struct key kernels;
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struct key subsystems;
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struct key drivers;
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struct key_pairs attrs;
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struct key_pairs env;
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struct key program;
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struct key result;
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struct key import;
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enum import_type import_type;
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struct key test;
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mode_t test_mode_mask;
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struct key run;
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struct key wait_for;
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struct key label;
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struct key goto_label;
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size_t goto_rule_off;
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struct key name;
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struct key symlink;
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struct key symlink_match;
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struct key owner;
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struct key group;
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struct key mode;
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enum escape_type string_escape;
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unsigned int link_priority;
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int event_timeout;
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unsigned int partitions;
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unsigned int last_rule:1,
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run_ignore_error:1,
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ignore_device:1,
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ignore_remove:1;
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size_t bufsize;
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char buf[];
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};
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struct udev_rules {
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struct udev *udev;
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char *buf;
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size_t bufsize;
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int resolve_names;
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};
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struct udev_rules_iter {
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struct udev_rules *rules;
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size_t current;
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};
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extern int udev_rules_init(struct udev *udev, struct udev_rules *rules, int resolve_names);
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extern void udev_rules_cleanup(struct udev_rules *rules);
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extern void udev_rules_iter_init(struct udev_rules_iter *iter, struct udev_rules *rules);
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extern struct udev_rule *udev_rules_iter_next(struct udev_rules_iter *iter);
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extern struct udev_rule *udev_rules_iter_goto(struct udev_rules_iter *iter, size_t rule_off);
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extern int udev_rules_get_name(struct udev_rules *rules, struct udev_event *event);
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extern int udev_rules_get_run(struct udev_rules *rules, struct udev_event *event);
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extern int udev_rules_run(struct udev_event *event);
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extern void udev_rules_apply_format(struct udev_event *event, char *string, size_t maxsize);
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#endif
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