/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * 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 */ #if defined(LIBC_SCCS) && !defined(lint) /*static char *sccsid = "from: @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";*/ /*static char *sccsid = "from: @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC";*/ static char *rcsid = "$Id: clnt_generic.c,v 1.3 2002/02/19 20:36:22 epeyton Exp $"; #endif /* * Copyright (C) 1987, Sun Microsystems, Inc. */ #include <string.h> #include <rpc/rpc.h> #include <sys/socket.h> #include <sys/errno.h> #include <netdb.h> /* * Generic client creation: takes (hostname, program-number, protocol) and * returns client handle. Default options are set, which the user can * change using the rpc equivalent of ioctl()'s. */ CLIENT * clnt_create(hostname, prog, vers, proto) char *hostname; u_long prog; u_long vers; char *proto; { struct hostent *h; struct protoent *p; struct sockaddr_in sin; int sock; struct timeval tv; CLIENT *client; h = gethostbyname(hostname); if (h == NULL) { rpc_createerr.cf_stat = RPC_UNKNOWNHOST; return (NULL); } if (h->h_addrtype != AF_INET) { /* * Only support INET for now */ rpc_createerr.cf_stat = RPC_SYSTEMERROR; rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; return (NULL); } bzero((char *)&sin, sizeof sin); sin.sin_family = h->h_addrtype; sin.sin_port = 0; bcopy(h->h_addr, (char*)&sin.sin_addr, h->h_length); p = getprotobyname(proto); if (p == NULL) { rpc_createerr.cf_stat = RPC_UNKNOWNPROTO; rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; return (NULL); } sock = RPC_ANYSOCK; switch (p->p_proto) { case IPPROTO_UDP: tv.tv_sec = 5; tv.tv_usec = 0; client = clntudp_create(&sin, prog, vers, tv, &sock); if (client == NULL) { return (NULL); } break; case IPPROTO_TCP: client = clnttcp_create(&sin, prog, vers, &sock, 0, 0); if (client == NULL) { return (NULL); } break; default: rpc_createerr.cf_stat = RPC_SYSTEMERROR; rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; return (NULL); } return (client); }