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.
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.
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.
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.
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.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
29 * @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI
30 * @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC
31 * $FreeBSD: src/lib/libc/rpc/clnt_generic.c,v 1.9.2.1 2001/03/05 10:48:28 obrien Exp $
32 * $DragonFly: src/lib/libc/rpc/clnt_generic.c,v 1.4 2005/01/31 22:29:38 dillon Exp $
36 * Copyright (C) 1987, Sun Microsystems, Inc.
39 #include <sys/socket.h>
45 * Generic client creation: takes (hostname, program-number, protocol) and
46 * returns client handle. Default options are set, which the user can
47 * change using the rpc equivalent of _ioctl()'s.
50 clnt_create(const char *hostname
, u_long prog
, u_long vers
, const char *proto
)
54 struct sockaddr_in sin
;
55 struct sockaddr_un sun
;
57 static struct timeval tv
;
60 if (!strcmp(proto
, "unix")) {
61 bzero((char *)&sun
, sizeof(sun
));
62 sun
.sun_family
= AF_UNIX
;
63 strcpy(sun
.sun_path
, hostname
);
64 sun
.sun_len
= sizeof(sun
.sun_len
) + sizeof(sun
.sun_family
) +
65 strlen(sun
.sun_path
) + 1;
67 client
= clntunix_create(&sun
, prog
, vers
, &sock
, 0, 0);
72 clnt_control(client
, CLSET_TIMEOUT
, &tv
);
76 h
= gethostbyname(hostname
);
78 rpc_createerr
.cf_stat
= RPC_UNKNOWNHOST
;
81 if (h
->h_addrtype
!= AF_INET
) {
83 * Only support INET for now
85 rpc_createerr
.cf_stat
= RPC_SYSTEMERROR
;
86 rpc_createerr
.cf_error
.re_errno
= EAFNOSUPPORT
;
89 memset(&sin
, 0, sizeof(sin
));
90 sin
.sin_len
= sizeof(struct sockaddr_in
);
91 sin
.sin_family
= h
->h_addrtype
;
93 memcpy((char*)&sin
.sin_addr
, h
->h_addr
, h
->h_length
);
94 p
= getprotobyname(proto
);
96 rpc_createerr
.cf_stat
= RPC_UNKNOWNPROTO
;
97 rpc_createerr
.cf_error
.re_errno
= EPFNOSUPPORT
;
101 switch (p
->p_proto
) {
105 client
= clntudp_create(&sin
, prog
, vers
, tv
, &sock
);
106 if (client
== NULL
) {
109 #if 0 /* XXX do we need this? */
112 clnt_control(client
, CLSET_TIMEOUT
, &tv
);
116 client
= clnttcp_create(&sin
, prog
, vers
, &sock
, 0, 0);
117 if (client
== NULL
) {
120 #if 0 /* XXX do we need this? */
123 clnt_control(client
, CLSET_TIMEOUT
, &tv
);
127 rpc_createerr
.cf_stat
= RPC_SYSTEMERROR
;
128 rpc_createerr
.cf_error
.re_errno
= EPFNOSUPPORT
;