1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 * 29 * @(#)getrpcport.c 1.3 87/08/11 SMI 30 * @(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC 31 * $NetBSD: getrpcport.c,v 1.16 2000/01/22 22:19:18 mycroft Exp $ 32 * $FreeBSD: src/lib/libc/rpc/getrpcport.c,v 1.13 2004/10/16 06:11:34 obrien Exp $ 33 * $DragonFly: src/lib/libc/rpc/getrpcport.c,v 1.3 2005/11/13 12:27:04 swildner Exp $ 34 */ 35 36 /* 37 * Copyright (c) 1985 by Sun Microsystems, Inc. 38 */ 39 40 #include "namespace.h" 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 44 #include <assert.h> 45 #include <netdb.h> 46 #include <stdio.h> 47 #include <string.h> 48 49 #include <rpc/rpc.h> 50 #include <rpc/pmap_clnt.h> 51 #include "un-namespace.h" 52 53 int 54 getrpcport(char *host, int prognum, int versnum, int proto) 55 { 56 struct sockaddr_in addr; 57 struct hostent *hp; 58 59 assert(host != NULL); 60 61 if ((hp = gethostbyname(host)) == NULL) 62 return (0); 63 memset(&addr, 0, sizeof(addr)); 64 addr.sin_len = sizeof(struct sockaddr_in); 65 addr.sin_family = AF_INET; 66 addr.sin_port = 0; 67 if (hp->h_length > addr.sin_len) 68 hp->h_length = addr.sin_len; 69 memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length); 70 /* Inconsistent interfaces need casts! :-( */ 71 return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum, 72 (u_int)proto)); 73 } 74