75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* @(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC */
|
|
#if !defined(lint) && defined(SCCSIDS)
|
|
static char sccsid[] = "@(#)getrpcport.c 1.3 87/08/11 SMI";
|
|
#endif
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1985 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <alloca.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <netdb.h>
|
|
#include <string.h>
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/clnt.h>
|
|
#include <rpc/pmap_clnt.h>
|
|
#include <sys/socket.h>
|
|
|
|
int
|
|
getrpcport (const char *host, u_long prognum, u_long versnum, u_int proto)
|
|
{
|
|
struct sockaddr_in addr;
|
|
struct hostent hostbuf, *hp;
|
|
size_t buflen;
|
|
char *buffer;
|
|
int herr;
|
|
|
|
buflen = 1024;
|
|
buffer = __alloca (buflen);
|
|
while (__gethostbyname_r (host, &hostbuf, buffer, buflen, &hp, &herr) != 0
|
|
|| hp == NULL)
|
|
if (herr != NETDB_INTERNAL || errno != ERANGE)
|
|
return 0;
|
|
else
|
|
{
|
|
/* Enlarge the buffer. */
|
|
buflen *= 2;
|
|
buffer = __alloca (buflen);
|
|
}
|
|
|
|
bcopy (hp->h_addr, (char *) &addr.sin_addr, hp->h_length);
|
|
addr.sin_family = AF_INET;
|
|
addr.sin_port = 0;
|
|
return pmap_getport (&addr, prognum, versnum, proto);
|
|
}
|