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
30 * Copyright (C) 1987, Sun Microsystems, Inc.
40 #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,
53 struct hostent hostbuf, *h;
56 struct protoent protobuf, *p;
59 struct sockaddr_in sin;
60 struct sockaddr_un sun;
66 if (strcmp (proto, "unix") == 0)
68 memset ((char *)&sun, 0, sizeof (sun));
69 sun.sun_family = AF_UNIX;
70 strcpy (sun.sun_path, hostname);
72 client = clntunix_create (&sun, prog, vers, &sock, 0, 0);
76 /* This is not wanted. This would disable the user from having
77 a timeout in the clnt_call() call. Only a call to cnlt_control()
78 by the user should set the timeout value. */
81 clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
87 hsttmpbuf = alloca (hstbuflen);
88 while (gethostbyname_r (hostname, &hostbuf, hsttmpbuf, hstbuflen,
91 if (herr != NETDB_INTERNAL || errno != ERANGE)
93 get_rpc_createerr().cf_stat = RPC_UNKNOWNHOST;
98 /* Enlarge the buffer. */
100 hsttmpbuf = alloca (hstbuflen);
103 if (h->h_addrtype != AF_INET)
106 * Only support INET for now
108 struct rpc_createerr *ce = &get_rpc_createerr ();
109 ce->cf_stat = RPC_SYSTEMERROR;
110 ce->cf_error.re_errno = EAFNOSUPPORT;
113 sin.sin_family = h->h_addrtype;
115 memset (sin.sin_zero, 0, sizeof (sin.sin_zero));
116 memcpy ((char *) &sin.sin_addr, h->h_addr, h->h_length);
119 prttmpbuf = alloca (prtbuflen);
120 while (getprotobyname_r (proto, &protobuf, prttmpbuf, prtbuflen, &p) != 0
124 struct rpc_createerr *ce = &get_rpc_createerr ();
125 ce->cf_stat = RPC_UNKNOWNPROTO;
126 ce->cf_error.re_errno = EPFNOSUPPORT;
131 /* Enlarge the buffer. */
133 prttmpbuf = alloca (prtbuflen);
142 client = clntudp_create (&sin, prog, vers, tv, &sock);
148 /* This is not wanted. This would disable the user from having
149 a timeout in the clnt_call() call. Only a call to cnlt_control()
150 by the user should set the timeout value. */
152 clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
156 client = clnttcp_create (&sin, prog, vers, &sock, 0, 0);
162 /* This is not wanted. This would disable the user from having
163 a timeout in the clnt_call() call. Only a call to cnlt_control()
164 by the user should set the timeout value. */
167 clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
172 struct rpc_createerr *ce = &get_rpc_createerr ();
173 ce->cf_stat = RPC_SYSTEMERROR;
174 ce->cf_error.re_errno = EPFNOSUPPORT;