external/bsd/blacklist/include/bl.h

   1 /*      $NetBSD: bl.h,v 1.12 2015/01/22 16:19:53 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Christos Zoulas.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 #ifndef _BL_H
  32 #define _BL_H
  33
  34 #include <stdbool.h>
  35 #include <stdarg.h>
  36 #include <sys/param.h>
  37 #include <sys/socket.h>
  38 #include "blacklist.h"
  39
  40 typedef enum {
  41         BL_INVALID,
  42         BL_ADD,
  43         BL_DELETE
  44 } bl_type_t;
  45
  46 typedef struct {
  47         bl_type_t bi_type;
  48         int bi_fd;
  49         uid_t bi_uid;
  50         gid_t bi_gid;
  51         socklen_t bi_slen;
  52         struct sockaddr_storage bi_ss;
  53         char bi_msg[1024];
  54 } bl_info_t;
  55
  56 #define bi_cred bi_u._bi_cred
  57
  58 #ifndef _PATH_BLSOCK
  59 #define _PATH_BLSOCK "/var/run/blsock"
  60 #endif
  61
  62 __BEGIN_DECLS
  63
  64 typedef struct blacklist *bl_t;
  65
  66 bl_t bl_create(bool, const char *, void (*)(int, const char *, va_list));
  67 void bl_destroy(bl_t);
  68 int bl_send(bl_t, bl_type_t, int, const struct sockaddr *, socklen_t,
  69     const char *);
  70 int bl_getfd(bl_t);
  71 bl_info_t *bl_recv(bl_t);
  72 bool bl_isconnected(bl_t);
  73
  74 __END_DECLS
  75
  76 #endif /* _BL_H */