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      1 /*	$NetBSD: bl.h,v 1.2 2024/08/02 17:11:55 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 "blocklist.h"
     39 
     40 typedef enum {
     41 	BL_INVALID,
     42 	BL_ADD,
     43 	BL_DELETE,
     44 	BL_ABUSE,
     45 	BL_BADUSER
     46 } bl_type_t;
     47 
     48 typedef struct {
     49 	bl_type_t bi_type;
     50 	int bi_fd;
     51 	uid_t bi_uid;
     52 	gid_t bi_gid;
     53 	socklen_t bi_slen;
     54 	struct sockaddr_storage bi_ss;
     55 	char bi_msg[1024];
     56 } bl_info_t;
     57 
     58 #define bi_cred bi_u._bi_cred
     59 
     60 #ifndef _PATH_BLSOCK
     61 #define _PATH_BLSOCK "/var/run/blocklistd.sock"
     62 #endif
     63 
     64 __BEGIN_DECLS
     65 
     66 typedef struct blocklist *bl_t;
     67 
     68 bl_t bl_create(bool, const char *,
     69     void (*)(int, struct syslog_data *, const char *, va_list));
     70 void bl_destroy(bl_t);
     71 int bl_send(bl_t, bl_type_t, int, const struct sockaddr *, socklen_t,
     72     const char *);
     73 int bl_getfd(bl_t);
     74 bl_info_t *bl_recv(bl_t);
     75 bool bl_isconnected(bl_t);
     76 
     77 __END_DECLS
     78 
     79 #endif /* _BL_H */
     80