-/* @(#)clnt_tcp.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.
+ * clnt_tcp.c, Implements a TCP/IP based, client side RPC.
*
- * 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.
+ * Copyright (c) 2010, Oracle America, Inc.
*
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
*
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-#if !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)clnt_tcp.c 1.37 87/10/05 Copyr 1984 Sun Micro";
-#endif
-
-/*
- * clnt_tcp.c, Implements a TCP/IP based, client side RPC.
+ * * 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.
*
- * Copyright (C) 1984, Sun Microsystems, Inc.
+ * 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.
*
* TCP based RPC supports 'batched calls'.
* A sequence of calls may be batched-up in a send buffer. The rpc call
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
+#include <libintl.h>
#include <rpc/rpc.h>
+#include <sys/poll.h>
#include <sys/socket.h>
#include <rpc/pmap_clnt.h>
+#include <wchar.h>
+#include <shlib-compat.h>
-extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
+extern u_long _create_xid (void);
#define MCALL_MSG_SIZE 24
static bool_t clnttcp_control (CLIENT *, int, char *);
static void clnttcp_destroy (CLIENT *);
-static struct clnt_ops tcp_ops =
+static const struct clnt_ops tcp_ops =
{
clnttcp_call,
clnttcp_abort,
int *sockp, u_int sendsz, u_int recvsz)
{
CLIENT *h;
- struct ct_data *ct = (struct ct_data *) mem_alloc (sizeof (*ct));
- struct timeval now;
+ struct ct_data *ct;
struct rpc_msg call_msg;
h = (CLIENT *) mem_alloc (sizeof (*h));
- if (h == NULL)
+ ct = (struct ct_data *) mem_alloc (sizeof (*ct));
+ if (h == NULL || ct == NULL)
{
- (void) fprintf (stderr, _("clnttcp_create: out of memory\n"));
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- rpc_createerr.cf_error.re_errno = errno;
- goto fooy;
- }
- /* ct = (struct ct_data *) mem_alloc (sizeof (*ct)); */
- if (ct == NULL)
- {
- (void) fprintf (stderr, _("clnttcp_create: out of memory\n"));
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- rpc_createerr.cf_error.re_errno = errno;
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ (void) __fxprintf (NULL, "%s: %s", __func__, _("out of memory\n"));
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = ENOMEM;
goto fooy;
}
*/
if (*sockp < 0)
{
- *sockp = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ *sockp = __socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
(void) bindresvport (*sockp, (struct sockaddr_in *) 0);
if ((*sockp < 0)
- || (connect (*sockp, (struct sockaddr *) raddr,
- sizeof (*raddr)) < 0))
+ || (__connect (*sockp, (struct sockaddr *) raddr,
+ sizeof (*raddr)) < 0))
{
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- rpc_createerr.cf_error.re_errno = errno;
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = errno;
if (*sockp >= 0)
- (void) close (*sockp);
+ (void) __close (*sockp);
goto fooy;
}
ct->ct_closeit = TRUE;
/*
* Initialize call message
*/
- (void) gettimeofday (&now, (struct timezone *) 0);
- call_msg.rm_xid = getpid () ^ now.tv_sec ^ now.tv_usec;
+ call_msg.rm_xid = _create_xid ();
call_msg.rm_direction = CALL;
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
call_msg.rm_call.cb_prog = prog;
/*
* pre-serialize the static part of the call msg and stash it away
*/
- xdrmem_create (&(ct->ct_xdrs), ct->ct_mcall, MCALL_MSG_SIZE,
- XDR_ENCODE);
+ xdrmem_create (&(ct->ct_xdrs), ct->ct_mcall, MCALL_MSG_SIZE, XDR_ENCODE);
if (!xdr_callhdr (&(ct->ct_xdrs), &call_msg))
{
if (ct->ct_closeit)
{
- (void) close (*sockp);
+ (void) __close (*sockp);
}
goto fooy;
}
*/
xdrrec_create (&(ct->ct_xdrs), sendsz, recvsz,
(caddr_t) ct, readtcp, writetcp);
- h->cl_ops = &tcp_ops;
+ h->cl_ops = (struct clnt_ops *) &tcp_ops;
h->cl_private = (caddr_t) ct;
h->cl_auth = authnone_create ();
return h;
mem_free ((caddr_t) h, sizeof (CLIENT));
return ((CLIENT *) NULL);
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (clnttcp_create)
+#else
+libc_hidden_nolink_sunrpc (clnttcp_create, GLIBC_2_0)
+#endif
static enum clnt_stat
-clnttcp_call (h, proc, xdr_args, args_ptr, xdr_results, results_ptr, timeout)
- CLIENT *h;
- u_long proc;
- xdrproc_t xdr_args;
- caddr_t args_ptr;
- xdrproc_t xdr_results;
- caddr_t results_ptr;
- struct timeval timeout;
+clnttcp_call (CLIENT *h, u_long proc, xdrproc_t xdr_args, caddr_t args_ptr,
+ xdrproc_t xdr_results, caddr_t results_ptr,
+ struct timeval timeout)
{
struct ct_data *ct = (struct ct_data *) h->cl_private;
XDR *xdrs = &(ct->ct_xdrs);
struct rpc_msg reply_msg;
u_long x_id;
- u_int32_t *msg_x_id = (u_int32_t *) (ct->ct_mcall); /* yuk */
+ uint32_t *msg_x_id = (uint32_t *) (ct->ct_mcall); /* yuk */
bool_t shipnow;
int refreshes = 2;
}
shipnow =
- (xdr_results == (xdrproc_t) 0 && timeout.tv_sec == 0
- && timeout.tv_usec == 0) ? FALSE : TRUE;
+ (xdr_results == (xdrproc_t) 0 && ct->ct_wait.tv_sec == 0
+ && ct->ct_wait.tv_usec == 0) ? FALSE : TRUE;
call_again:
xdrs->x_op = XDR_ENCODE;
/*
* Hack to provide rpc-based message passing
*/
- if (timeout.tv_sec == 0 && timeout.tv_usec == 0)
+ if (ct->ct_wait.tv_sec == 0 && ct->ct_wait.tv_usec == 0)
{
return ct->ct_error.re_status = RPC_TIMEDOUT;
}
continue;
return ct->ct_error.re_status;
}
- if (reply_msg.rm_xid == x_id)
+ if ((uint32_t) reply_msg.rm_xid == (uint32_t) x_id)
break;
}
}
static void
-clnttcp_geterr (h, errp)
- CLIENT *h;
- struct rpc_err *errp;
+clnttcp_geterr (CLIENT *h, struct rpc_err *errp)
{
struct ct_data *ct =
(struct ct_data *) h->cl_private;
}
static bool_t
-clnttcp_freeres (cl, xdr_res, res_ptr)
- CLIENT *cl;
- xdrproc_t xdr_res;
- caddr_t res_ptr;
+clnttcp_freeres (CLIENT *cl, xdrproc_t xdr_res, caddr_t res_ptr)
{
struct ct_data *ct = (struct ct_data *) cl->cl_private;
XDR *xdrs = &(ct->ct_xdrs);
}
static void
-clnttcp_abort ()
+clnttcp_abort (void)
{
}
static bool_t
-clnttcp_control (cl, request, info)
- CLIENT *cl;
- int request;
- char *info;
+clnttcp_control (CLIENT *cl, int request, char *info)
{
struct ct_data *ct = (struct ct_data *) cl->cl_private;
+ u_long ul;
+ uint32_t ui32;
+
switch (request)
{
+ case CLSET_FD_CLOSE:
+ ct->ct_closeit = TRUE;
+ break;
+ case CLSET_FD_NCLOSE:
+ ct->ct_closeit = FALSE;
+ break;
case CLSET_TIMEOUT:
ct->ct_wait = *(struct timeval *) info;
ct->ct_waitset = TRUE;
case CLGET_SERVER_ADDR:
*(struct sockaddr_in *) info = ct->ct_addr;
break;
+ case CLGET_FD:
+ *(int *)info = ct->ct_sock;
+ break;
+ case CLGET_XID:
+ /*
+ * use the knowledge that xid is the
+ * first element in the call structure *.
+ * This will get the xid of the PREVIOUS call
+ */
+ memcpy (&ui32, ct->ct_mcall, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
+ break;
+ case CLSET_XID:
+ /* This will set the xid of the NEXT call */
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul - 1);
+ memcpy (ct->ct_mcall, &ui32, sizeof (ui32));
+ /* decrement by 1 as clnttcp_call() increments once */
+ break;
+ case CLGET_VERS:
+ /*
+ * This RELIES on the information that, in the call body,
+ * the version number field is the fifth field from the
+ * beginning of the RPC header. MUST be changed if the
+ * call_struct is changed
+ */
+ memcpy (&ui32, ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
+ break;
+ case CLSET_VERS:
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
+ break;
+ case CLGET_PROG:
+ /*
+ * This RELIES on the information that, in the call body,
+ * the program number field is the field from the
+ * beginning of the RPC header. MUST be changed if the
+ * call_struct is changed
+ */
+ memcpy (&ui32, ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
+ break;
+ case CLSET_PROG:
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
+ break;
+ /* The following are only possible with TI-RPC */
+ case CLGET_RETRY_TIMEOUT:
+ case CLSET_RETRY_TIMEOUT:
+ case CLGET_SVC_ADDR:
+ case CLSET_SVC_ADDR:
+ case CLSET_PUSH_TIMOD:
+ case CLSET_POP_TIMOD:
default:
return FALSE;
}
if (ct->ct_closeit)
{
- (void) close (ct->ct_sock);
+ (void) __close (ct->ct_sock);
}
XDR_DESTROY (&(ct->ct_xdrs));
mem_free ((caddr_t) ct, sizeof (struct ct_data));
readtcp (char *ctptr, char *buf, int len)
{
struct ct_data *ct = (struct ct_data *)ctptr;
-#ifdef FD_SETSIZE
- fd_set mask;
- fd_set readfds;
-
- if (len == 0)
- return 0;
- FD_ZERO (&mask);
- FD_SET (ct->ct_sock, &mask);
-#else
- int mask = 1 << (ct->ct_sock);
- int readfds;
+ struct pollfd fd;
+ int milliseconds = (ct->ct_wait.tv_sec * 1000) +
+ (ct->ct_wait.tv_usec / 1000);
if (len == 0)
return 0;
-#endif /* def FD_SETSIZE */
+ fd.fd = ct->ct_sock;
+ fd.events = POLLIN;
while (TRUE)
{
- struct timeval timeout = ct->ct_wait;
- readfds = mask;
- switch (select (_rpc_dtablesize (), &readfds, (fd_set*)NULL,
- (fd_set*)NULL, &timeout))
+ switch (__poll(&fd, 1, milliseconds))
{
case 0:
ct->ct_error.re_status = RPC_TIMEDOUT;
}
break;
}
- switch (len = read (ct->ct_sock, buf, len))
+ switch (len = __read (ct->ct_sock, buf, len))
{
case 0:
for (cnt = len; cnt > 0; cnt -= i, buf += i)
{
- if ((i = write (ct->ct_sock, buf, cnt)) == -1)
+ if ((i = __write (ct->ct_sock, buf, cnt)) == -1)
{
ct->ct_error.re_errno = errno;
ct->ct_error.re_status = RPC_CANTSEND;
projects / thirdparty / glibc.git / blobdiff