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c224a18a90
* configure.in (--with-weak-symbols): Option removed. (NO_UNDERSCORES, HAVE_ASM_WEAK_DIRECTIVE, HAVE_ASM_WEAKEXT_DIRECTIVE): New tests. * config.h.in (HAVE_WEAK_SYMBOLS): #undef removed. (NO_UNDERSCORES, HAVE_ASM_WEAK_DIRECTIVE, HAVE_ASM_WEAKEXT_DIRECTIVE): New #undefs. * libc-symbols.h: Use them instead of HAVE_WEAK_SYMBOLS. * inet/inet_lnaof.c: Use u_int32_t instead of u_long. * inet/inet_mkadr.c: Likewise. * inet/inet_net.c: Likewise. * inet/inet_netof.c: Likewise. * inet/rcmd.c: Likewise. * inet/arpa/inet.h: Likewise. * inet/netinet/in.h: Likewise. * inet/netinet/tcp.h: Likewise. * inet/protocols/rwhod.h: Likewise. * inet/protocols/talkd.h: Likewise. * resolv/inet_addr.c: Likewise. * sunrpc/rpc/xdr.h (IXDR_GET_LONG, IXDR_PUT_LONG): change casts to u_int32_t (instead of u_long).
117 lines
4.8 KiB
C
117 lines
4.8 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)talkd.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _TALKD_H_
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#define _TALKD_H_
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/*
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* This describes the protocol used by the talk server and clients.
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*
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* The talk server acts a repository of invitations, responding to
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* requests by clients wishing to rendezvous for the purpose of
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* holding a conversation. In normal operation, a client, the caller,
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* initiates a rendezvous by sending a CTL_MSG to the server of
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* type LOOK_UP. This causes the server to search its invitation
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* tables to check if an invitation currently exists for the caller
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* (to speak to the callee specified in the message). If the lookup
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* fails, the caller then sends an ANNOUNCE message causing the server
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* to broadcast an announcement on the callee's login ports requesting
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* contact. When the callee responds, the local server uses the
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* recorded invitation to respond with the appropriate rendezvous
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* address and the caller and callee client programs establish a
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* stream connection through which the conversation takes place.
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*/
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#include <sys/types.h>
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/*
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* Client->server request message format.
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*/
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typedef struct {
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u_char vers; /* protocol version */
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u_char type; /* request type, see below */
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u_char answer; /* not used */
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u_char pad;
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u_int32_t id_num; /* message id */
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struct osockaddr addr; /* old (4.3) style */
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struct osockaddr ctl_addr; /* old (4.3) style */
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int32_t pid; /* caller's process id */
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#define NAME_SIZE 12
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char l_name[NAME_SIZE];/* caller's name */
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char r_name[NAME_SIZE];/* callee's name */
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#define TTY_SIZE 16
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char r_tty[TTY_SIZE];/* callee's tty name */
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} CTL_MSG;
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/*
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* Server->client response message format.
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*/
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typedef struct {
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u_char vers; /* protocol version */
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u_char type; /* type of request message, see below */
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u_char answer; /* respose to request message, see below */
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u_char pad;
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u_int32_t id_num; /* message id */
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struct osockaddr addr; /* address for establishing conversation */
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} CTL_RESPONSE;
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#define TALK_VERSION 1 /* protocol version */
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/* message type values */
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#define LEAVE_INVITE 0 /* leave invitation with server */
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#define LOOK_UP 1 /* check for invitation by callee */
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#define DELETE 2 /* delete invitation by caller */
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#define ANNOUNCE 3 /* announce invitation by caller */
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/* answer values */
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#define SUCCESS 0 /* operation completed properly */
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#define NOT_HERE 1 /* callee not logged in */
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#define FAILED 2 /* operation failed for unexplained reason */
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#define MACHINE_UNKNOWN 3 /* caller's machine name unknown */
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#define PERMISSION_DENIED 4 /* callee's tty doesn't permit announce */
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#define UNKNOWN_REQUEST 5 /* request has invalid type value */
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#define BADVERSION 6 /* request has invalid protocol version */
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#define BADADDR 7 /* request has invalid addr value */
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#define BADCTLADDR 8 /* request has invalid ctl_addr value */
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/*
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* Operational parameters.
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*/
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#define MAX_LIFE 60 /* max time daemon saves invitations */
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/* RING_WAIT should be 10's of seconds less than MAX_LIFE */
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#define RING_WAIT 30 /* time to wait before resending invitation */
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#endif /* !_TALKD_H_ */
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