-/* @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC */
/*
- * 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.
+ * Copyright (c) 2010, Oracle America, Inc.
*
- * 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(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";
-#endif
-/*
- * Copyright (C) 1987, Sun Microsystems, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ * * Neither the name of the "Oracle America, Inc." nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+
+#include <alloca.h>
+#include <errno.h>
+#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
+ * 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;
- unsigned prog;
- unsigned vers;
- char *proto;
+clnt_create (const char *hostname, u_long prog, u_long vers,
+ const char *proto)
{
- struct hostent *h;
- struct protoent *p;
- struct sockaddr_in sin;
- int sock;
- struct timeval tv;
- CLIENT *client;
+ struct hostent hostbuf, *h;
+ size_t hstbuflen;
+ char *hsttmpbuf;
+ struct protoent protobuf, *p;
+ size_t prtbuflen;
+ char *prttmpbuf;
+ struct sockaddr_in sin;
+ struct sockaddr_un sun;
+ int sock;
+ struct timeval tv;
+ CLIENT *client;
+ int herr;
- 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);
- }
- sin.sin_family = h->h_addrtype;
- sin.sin_port = 0;
- bzero(sin.sin_zero, sizeof(sin.sin_zero));
- 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);
+ if (strcmp (proto, "unix") == 0)
+ {
+ __bzero ((char *)&sun, sizeof (sun));
+ sun.sun_family = AF_UNIX;
+ strcpy (sun.sun_path, hostname);
+ sock = RPC_ANYSOCK;
+ client = clntunix_create (&sun, prog, vers, &sock, 0, 0);
+ if (client == NULL)
+ return NULL;
+#if 0
+ /* This is not wanted. This would disable the user from having
+ a timeout in the clnt_call() call. Only a call to cnlt_control()
+ by the user should set the timeout value. */
+ tv.tv_sec = 25;
+ tv.tv_usec = 0;
+ clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
+#endif
+ return client;
+ }
+
+ hstbuflen = 1024;
+ hsttmpbuf = __alloca (hstbuflen);
+ while (__gethostbyname_r (hostname, &hostbuf, hsttmpbuf, hstbuflen,
+ &h, &herr) != 0
+ || h == NULL)
+ if (herr != NETDB_INTERNAL || errno != ERANGE)
+ {
+ get_rpc_createerr().cf_stat = RPC_UNKNOWNHOST;
+ return NULL;
+ }
+ else
+ {
+ /* Enlarge the buffer. */
+ hstbuflen *= 2;
+ hsttmpbuf = __alloca (hstbuflen);
+ }
+
+ if (h->h_addrtype != AF_INET)
+ {
+ /*
+ * Only support INET for now
+ */
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = EAFNOSUPPORT;
+ return NULL;
+ }
+ sin.sin_family = h->h_addrtype;
+ sin.sin_port = 0;
+ __bzero (sin.sin_zero, sizeof (sin.sin_zero));
+ memcpy ((char *) &sin.sin_addr, h->h_addr, h->h_length);
+
+ prtbuflen = 1024;
+ prttmpbuf = __alloca (prtbuflen);
+ while (__getprotobyname_r (proto, &protobuf, prttmpbuf, prtbuflen, &p) != 0
+ || p == NULL)
+ if (errno != ERANGE)
+ {
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ ce->cf_stat = RPC_UNKNOWNPROTO;
+ ce->cf_error.re_errno = EPFNOSUPPORT;
+ return NULL;
+ }
+ else
+ {
+ /* Enlarge the buffer. */
+ prtbuflen *= 2;
+ prttmpbuf = __alloca (prtbuflen);
+ }
+
+ 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;
}
- 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);
- }
- tv.tv_sec = 25;
- clnt_control(client, CLSET_TIMEOUT, &tv);
- break;
- case IPPROTO_TCP:
- client = clnttcp_create(&sin, prog, vers, &sock, 0, 0);
- if (client == NULL) {
- return (NULL);
- }
- tv.tv_sec = 25;
- tv.tv_usec = 0;
- clnt_control(client, CLSET_TIMEOUT, &tv);
- break;
- default:
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- rpc_createerr.cf_error.re_errno = EPFNOSUPPORT;
- return (NULL);
+#if 0
+ /* This is not wanted. This would disable the user from having
+ a timeout in the clnt_call() call. Only a call to cnlt_control()
+ by the user should set the timeout value. */
+ tv.tv_sec = 25;
+ clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
+#endif
+ break;
+ case IPPROTO_TCP:
+ client = clnttcp_create (&sin, prog, vers, &sock, 0, 0);
+ if (client == NULL)
+ {
+ return NULL;
}
- return (client);
+#if 0
+ /* This is not wanted. This would disable the user from having
+ a timeout in the clnt_call() call. Only a call to cnlt_control()
+ by the user should set the timeout value. */
+ tv.tv_sec = 25;
+ tv.tv_usec = 0;
+ clnt_control (client, CLSET_TIMEOUT, (char *)&tv);
+#endif
+ break;
+ default:
+ {
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = EPFNOSUPPORT;
+ }
+ return (NULL);
+ }
+ return client;
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (clnt_create)
+#else
+libc_hidden_nolink_sunrpc (clnt_create, GLIBC_2_0)
+#endif
projects / platform / upstream / glibc.git / blobdiff