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Diffstat (limited to 'inet/protocols/talkd.h')
| -rw-r--r-- | inet/protocols/talkd.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/inet/protocols/talkd.h b/inet/protocols/talkd.h deleted file mode 100644 index 09bd8a90ba..0000000000 --- a/inet/protocols/talkd.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)talkd.h 8.1 (Berkeley) 6/2/93 - */ - -#ifndef _PROTOCOLS_TALKD_H -#define _PROTOCOLS_TALKD_H 1 - -/* - * This describes the protocol used by the talk server and clients. - * - * The talk server acts a repository of invitations, responding to - * requests by clients wishing to rendezvous for the purpose of - * holding a conversation. In normal operation, a client, the caller, - * initiates a rendezvous by sending a CTL_MSG to the server of - * type LOOK_UP. This causes the server to search its invitation - * tables to check if an invitation currently exists for the caller - * (to speak to the callee specified in the message). If the lookup - * fails, the caller then sends an ANNOUNCE message causing the server - * to broadcast an announcement on the callee's login ports requesting - * contact. When the callee responds, the local server uses the - * recorded invitation to respond with the appropriate rendezvous - * address and the caller and callee client programs establish a - * stream connection through which the conversation takes place. - */ - -#include <sys/types.h> -#include <sys/socket.h> -#include <stdint.h> -#include <bits/types/struct_osockaddr.h> - -/* - * Client->server request message format. - */ -typedef struct { - unsigned char vers; /* protocol version */ - unsigned char type; /* request type, see below */ - unsigned char answer; /* not used */ - unsigned char pad; - uint32_t id_num; /* message id */ - struct osockaddr addr; /* old (4.3) style */ - struct osockaddr ctl_addr; /* old (4.3) style */ - int32_t pid; /* caller's process id */ -#define NAME_SIZE 12 - char l_name[NAME_SIZE];/* caller's name */ - char r_name[NAME_SIZE];/* callee's name */ -#define TTY_SIZE 16 - char r_tty[TTY_SIZE];/* callee's tty name */ -} CTL_MSG; - -/* - * Server->client response message format. - */ -typedef struct { - unsigned char vers; /* protocol version */ - unsigned char type; /* type of request message, see below */ - unsigned char answer; /* response to request message, see below */ - unsigned char pad; - uint32_t id_num; /* message id */ - struct osockaddr addr; /* address for establishing conversation */ -} CTL_RESPONSE; - -#define TALK_VERSION 1 /* protocol version */ - -/* message type values */ -#define LEAVE_INVITE 0 /* leave invitation with server */ -#define LOOK_UP 1 /* check for invitation by callee */ -#define DELETE 2 /* delete invitation by caller */ -#define ANNOUNCE 3 /* announce invitation by caller */ - -/* answer values */ -#define SUCCESS 0 /* operation completed properly */ -#define NOT_HERE 1 /* callee not logged in */ -#define FAILED 2 /* operation failed for unexplained reason */ -#define MACHINE_UNKNOWN 3 /* caller's machine name unknown */ -#define PERMISSION_DENIED 4 /* callee's tty doesn't permit announce */ -#define UNKNOWN_REQUEST 5 /* request has invalid type value */ -#define BADVERSION 6 /* request has invalid protocol version */ -#define BADADDR 7 /* request has invalid addr value */ -#define BADCTLADDR 8 /* request has invalid ctl_addr value */ - -/* - * Operational parameters. - */ -#define MAX_LIFE 60 /* max time daemon saves invitations */ -/* RING_WAIT should be 10's of seconds less than MAX_LIFE */ -#define RING_WAIT 30 /* time to wait before resending invitation */ - -#endif /* protocols/talkd.h */ |