sbin/devfsctl/devfsctl.h

   1 /*
   2  * Copyright (c) 2009 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Alex Hornung <ahornung@gmail.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef DEVFSCTL_H
  36 #define DEVFSCTL_H
  37
  38 #include <sys/queue.h>
  39
  40 #define iswhitespace(X) ((((X) == ' ') || ((X) == '\t'))?1:0)
  41 #define RULE_MAX_STACK  32
  42 #define RULES_FILE              0x01
  43
  44 #if 0
  45 #define RULETAB_FILE    0x02
  46 #define RULETAB_ALL             0x01
  47 #define RULETAB_ONLY_BOOT       0x02
  48 #define RULETAB_SPECIFIC        0x03
  49 #endif
  50
  51 struct groupdevid {
  52         enum {
  53                 isGROUP = 1,
  54                 isNAME,
  55                 isTYPE
  56         }               type;
  57
  58         union {
  59                 char            *name;
  60                 int             devtype;
  61         };
  62
  63         struct groupdevid **list;
  64         size_t  listsize;
  65 #if 0
  66     struct groupdevid *next;
  67         TAILQ_HEAD(, groupdevid) list;
  68 #endif
  69         TAILQ_ENTRY(groupdevid) link;
  70 };
  71
  72 struct rule {
  73         enum {
  74                 rPERM = 1,
  75                 rLINK,
  76                 rHIDE,
  77                 rSHOW
  78         }               type;
  79
  80         struct groupdevid *id;
  81         char            *dest;
  82         uid_t           uid;
  83         uid_t           gid;
  84         int             mode;
  85         int             jail;
  86
  87         TAILQ_ENTRY(rule) link;
  88 };
  89
  90 #if 0
  91 struct rule_tab {
  92         const char      *mntpoint;
  93         const char      *rule_file;
  94         TAILQ_ENTRY(rule_tab) link;
  95 };
  96 #endif
  97
  98 typedef int (rule_iterate_callback_t)(struct rule *rule,
  99                 struct groupdevid *id);
 100 typedef int (rule_parser_t)(char **);
 101
 102 struct groupdevid *new_id(const char *, int);
 103 struct groupdevid *get_id(const char *);
 104 struct groupdevid *get_group(const char *, int);
 105 struct rule *new_rule(int, struct groupdevid *);
 106 void add_rule(struct rule *);
 107 int rule_apply(void);
 108 void dump_config(void);
 109 int read_config(const char *, int);
 110 void syntax_error(const char *fmt, ...) __dead2 __printflike(1, 2);
 111 void rule_tab(void);
 112 void delete_rules(void);
 113 #endif