games/hunt/huntd/talk_ctl.h

   1 /*      $NetBSD: talk_ctl.h,v 1.6 2004/01/27 20:30:29 jsm Exp $ */
   2
   3 /*
   4  * Copyright (c) 1983-2003, Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met:
  10  *
  11  * + Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  * + Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  * + Neither the name of the University of California, San Francisco nor
  17  *   the names of its contributors may be used to endorse or promote
  18  *   products derived from this software without specific prior written
  19  *   permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  22  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  24  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/types.h>
  35 #include <netinet/in.h>
  36
  37 #ifdef TALK_43
  38 #include <protocols/talkd.h>
  39 #else
  40
  41 #include <sys/socket.h>
  42
  43 #define NAME_SIZE       9
  44 #define TTY_SIZE        16
  45 #ifndef MAXHOSTNAMELEN
  46 #define MAXHOSTNAMELEN  256
  47 #endif
  48
  49 #define MAX_LIFE        60      /* max time daemon saves invitations */
  50 /* RING_WAIT should be 10's of seconds less than MAX_LIFE */
  51 #define RING_WAIT       30      /* time to wait before refreshing invitation */
  52
  53 /* type values */
  54 #define LEAVE_INVITE    0
  55 #define LOOK_UP         1
  56 #define DELETE          2
  57 #define ANNOUNCE        3
  58
  59 /* answer values */
  60 #define SUCCESS         0
  61 #define NOT_HERE        1
  62 #define FAILED          2
  63 #define MACHINE_UNKNOWN 3
  64 #define PERMISSION_DENIED 4
  65 #define UNKNOWN_REQUEST 5
  66
  67 typedef struct ctl_response {
  68         char    type;
  69         char    answer;
  70         int     id_num;
  71         struct  sockaddr_in addr;
  72 } CTL_RESPONSE;
  73
  74 typedef struct ctl_msg {
  75         char    type;
  76         char    l_name[NAME_SIZE];
  77         char    r_name[NAME_SIZE];
  78         int     id_num;
  79         int     pid;
  80         char    r_tty[TTY_SIZE];
  81         struct  sockaddr_in addr;
  82         struct  sockaddr_in ctl_addr;
  83 } CTL_MSG;
  84 #endif
  85
  86 #include <errno.h>
  87 #ifdef LOG
  88 #include <syslog.h>
  89 #endif
  90
  91 extern struct sockaddr_in daemon_addr;
  92 extern struct sockaddr_in ctl_addr;
  93 extern struct sockaddr_in my_addr;
  94 extern struct in_addr my_machine_addr;
  95 extern struct in_addr his_machine_addr;
  96 extern u_short daemon_port;
  97 extern int ctl_sockt;
  98 extern CTL_MSG msg;
  99
 100 #ifdef LOG
 101 #define p_error(str)    syslog(LOG_WARNING, "faketalk %s: %m", str)
 102 #else
 103 #define p_error(str)    warn(str)
 104 #endif
 105
 106 void ctl_transact(struct in_addr, CTL_MSG, int, CTL_RESPONSE *);