* Copyright (c) 1983 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
static char sccsid
[] = "@(#)ctl.c 5.4 (Berkeley) %G%";
* This file handles haggling with the various talk daemons to
* get a socket to talk to. sockt is opened and connected in
struct sockaddr_in daemon_addr
= { AF_INET
};
struct sockaddr_in ctl_addr
= { AF_INET
};
struct sockaddr_in my_addr
= { AF_INET
};
/* inet addresses of the two machines */
struct in_addr my_machine_addr
;
struct in_addr his_machine_addr
;
u_short daemon_port
; /* port number of the talk daemon */
int invitation_waiting
= 0;
my_addr
.sin_addr
= my_machine_addr
;
sockt
= socket(AF_INET
, SOCK_STREAM
, 0);
if (bind(sockt
, &my_addr
, sizeof(my_addr
)) != 0)
p_error("Binding local socket");
length
= sizeof(my_addr
);
if (getsockname(sockt
, &my_addr
, &length
) == -1)
p_error("Bad address for socket");
/* open the ctl socket */
ctl_addr
.sin_addr
= my_machine_addr
;
ctl_sockt
= socket(AF_INET
, SOCK_DGRAM
, 0);
if (bind(ctl_sockt
, &ctl_addr
, sizeof(ctl_addr
), 0) != 0)
p_error("Couldn't bind to control socket");
length
= sizeof(ctl_addr
);
if (getsockname(ctl_sockt
, &ctl_addr
, &length
) == -1)
p_error("Bad address for ctl socket");
/* print_addr is a debug print routine */
printf("addr = %x, port = %o, family = %o zero = ",
addr
.sin_addr
, addr
.sin_port
, addr
.sin_family
);
printf("%o ", (int)addr
.sin_zero
[i
]);