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-rw-r--r--libc/inet/rpc/clnt_tcp.c775
1 files changed, 426 insertions, 349 deletions
diff --git a/libc/inet/rpc/clnt_tcp.c b/libc/inet/rpc/clnt_tcp.c
index 790ec0706..5ff8434b7 100644
--- a/libc/inet/rpc/clnt_tcp.c
+++ b/libc/inet/rpc/clnt_tcp.c
@@ -6,29 +6,30 @@
* 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.
- *
+ *
* 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
*/
-#define __FORCE_GLIBC
-#include <features.h>
+#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.
@@ -49,47 +50,57 @@
* Now go hang yourself.
*/
+#define __FORCE_GLIBC
+#include <features.h>
+
+#include <netdb.h>
+#include <errno.h>
#include <stdio.h>
+#include <unistd.h>
#include <rpc/rpc.h>
+#include <sys/poll.h>
#include <sys/socket.h>
-#include <netdb.h>
-#include <errno.h>
#include <rpc/pmap_clnt.h>
-#include <unistd.h>
+#ifdef USE_IN_LIBIO
+# include <wchar.h>
+#endif
-#define MCALL_MSG_SIZE 24
+extern u_long _create_xid (void);
-extern int errno;
-
-static int readtcp();
-static int writetcp();
-
-static enum clnt_stat clnttcp_call();
-static void clnttcp_abort();
-static void clnttcp_geterr();
-static bool_t clnttcp_freeres();
-static bool_t clnttcp_control();
-static void clnttcp_destroy();
-
-static struct clnt_ops tcp_ops = {
- clnttcp_call,
- clnttcp_abort,
- clnttcp_geterr,
- clnttcp_freeres,
- clnttcp_destroy,
- clnttcp_control
-};
+#define MCALL_MSG_SIZE 24
-struct ct_data {
- int ct_sock;
- bool_t ct_closeit;
- struct timeval ct_wait;
- bool_t ct_waitset; /* wait set by clnt_control? */
- struct sockaddr_in ct_addr;
- struct rpc_err ct_error;
- char ct_mcall[MCALL_MSG_SIZE]; /* marshalled callmsg */
- u_int ct_mpos; /* pos after marshal */
- XDR ct_xdrs;
+struct ct_data
+ {
+ int ct_sock;
+ bool_t ct_closeit;
+ struct timeval ct_wait;
+ bool_t ct_waitset; /* wait set by clnt_control? */
+ struct sockaddr_in ct_addr;
+ struct rpc_err ct_error;
+ char ct_mcall[MCALL_MSG_SIZE]; /* marshalled callmsg */
+ u_int ct_mpos; /* pos after marshal */
+ XDR ct_xdrs;
+ };
+
+static int readtcp (char *, char *, int);
+static int writetcp (char *, char *, int);
+
+static enum clnt_stat clnttcp_call (CLIENT *, u_long, xdrproc_t, caddr_t,
+ xdrproc_t, caddr_t, struct timeval);
+static void clnttcp_abort (void);
+static void clnttcp_geterr (CLIENT *, struct rpc_err *);
+static bool_t clnttcp_freeres (CLIENT *, xdrproc_t, caddr_t);
+static bool_t clnttcp_control (CLIENT *, int, char *);
+static void clnttcp_destroy (CLIENT *);
+
+static struct clnt_ops tcp_ops =
+{
+ clnttcp_call,
+ clnttcp_abort,
+ clnttcp_geterr,
+ clnttcp_freeres,
+ clnttcp_destroy,
+ clnttcp_control
};
/*
@@ -106,282 +117,355 @@ struct ct_data {
* NB: The rpch->cl_auth is set null authentication. Caller may wish to set this
* something more useful.
*/
-CLIENT *clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz)
-struct sockaddr_in *raddr;
-u_long prog;
-u_long vers;
-register int *sockp;
-u_int sendsz;
-u_int recvsz;
+CLIENT *
+clnttcp_create (struct sockaddr_in *raddr, u_long prog, u_long vers,
+ int *sockp, u_int sendsz, u_int recvsz)
{
- CLIENT *h;
- register struct ct_data *ct;
- struct timeval now;
- struct rpc_msg call_msg;
-
- ct = NULL; /* in case of fooy */
- h = (CLIENT *) mem_alloc(sizeof(*h));
- if (h == 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;
+ CLIENT *h;
+ struct ct_data *ct;
+ struct rpc_msg call_msg;
+
+ h = (CLIENT *) mem_alloc (sizeof (*h));
+ ct = (struct ct_data *) mem_alloc (sizeof (*ct));
+ if (h == NULL || ct == NULL)
+ {
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ (void) __fwprintf (stderr, L"%s",
+ _("clnttcp_create: out of memory\n"));
+ else
+#endif
+ (void) fputs (_("clnttcp_create: out of memory\n"), stderr);
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = ENOMEM;
+ goto fooy;
+ }
+
+ /*
+ * If no port number given ask the pmap for one
+ */
+ if (raddr->sin_port == 0)
+ {
+ u_short port;
+ if ((port = pmap_getport (raddr, prog, vers, IPPROTO_TCP)) == 0)
+ {
+ mem_free ((caddr_t) ct, sizeof (struct ct_data));
+ mem_free ((caddr_t) h, sizeof (CLIENT));
+ return ((CLIENT *) NULL);
}
- 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;
- goto fooy;
+ raddr->sin_port = htons (port);
+ }
+
+ /*
+ * If no socket given, open one
+ */
+ if (*sockp < 0)
+ {
+ *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))
+ {
+ struct rpc_createerr *ce = &get_rpc_createerr ();
+ ce->cf_stat = RPC_SYSTEMERROR;
+ ce->cf_error.re_errno = errno;
+ if (*sockp >= 0)
+ (void) close (*sockp);
+ goto fooy;
}
-
- /*
- * If no port number given ask the pmap for one
- */
- if (raddr->sin_port == 0) {
- u_short port;
-
- if ((port = pmap_getport(raddr, prog, vers, IPPROTO_TCP)) == 0) {
- mem_free((caddr_t) ct, sizeof(struct ct_data));
-
- mem_free((caddr_t) h, sizeof(CLIENT));
- return ((CLIENT *) NULL);
- }
- raddr->sin_port = htons(port);
- }
-
- /*
- * If no socket given, open one
- */
- if (*sockp < 0) {
- *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)) {
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- rpc_createerr.cf_error.re_errno = errno;
- (void) close(*sockp);
- goto fooy;
- }
- ct->ct_closeit = TRUE;
- } else {
- ct->ct_closeit = FALSE;
+ ct->ct_closeit = TRUE;
+ }
+ else
+ {
+ ct->ct_closeit = FALSE;
+ }
+
+ /*
+ * Set up private data struct
+ */
+ ct->ct_sock = *sockp;
+ ct->ct_wait.tv_usec = 0;
+ ct->ct_waitset = FALSE;
+ ct->ct_addr = *raddr;
+
+ /*
+ * Initialize call message
+ */
+ 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;
+ call_msg.rm_call.cb_vers = vers;
+
+ /*
+ * 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);
+ if (!xdr_callhdr (&(ct->ct_xdrs), &call_msg))
+ {
+ if (ct->ct_closeit)
+ {
+ (void) close (*sockp);
}
-
- /*
- * Set up private data struct
- */
- ct->ct_sock = *sockp;
- ct->ct_wait.tv_usec = 0;
- ct->ct_waitset = FALSE;
- ct->ct_addr = *raddr;
-
- /*
- * Initialize call message
- */
- (void) gettimeofday(&now, (struct timezone *) 0);
- call_msg.rm_xid = getpid() ^ now.tv_sec ^ now.tv_usec;
- call_msg.rm_direction = CALL;
- call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
- call_msg.rm_call.cb_prog = prog;
- call_msg.rm_call.cb_vers = vers;
-
- /*
- * pre-serialize the staic part of the call msg and stash it away
- */
- 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);
- }
- goto fooy;
- }
- ct->ct_mpos = XDR_GETPOS(&(ct->ct_xdrs));
- XDR_DESTROY(&(ct->ct_xdrs));
-
- /*
- * Create a client handle which uses xdrrec for serialization
- * and authnone for authentication.
- */
- xdrrec_create(&(ct->ct_xdrs), sendsz, recvsz,
- (caddr_t) ct, readtcp, writetcp);
- h->cl_ops = &tcp_ops;
- h->cl_private = (caddr_t) ct;
- h->cl_auth = authnone_create();
- return (h);
-
- fooy:
- /*
- * Something goofed, free stuff and barf
- */
- mem_free((caddr_t) ct, sizeof(struct ct_data));
-
- mem_free((caddr_t) h, sizeof(CLIENT));
- return ((CLIENT *) NULL);
+ goto fooy;
+ }
+ ct->ct_mpos = XDR_GETPOS (&(ct->ct_xdrs));
+ XDR_DESTROY (&(ct->ct_xdrs));
+
+ /*
+ * Create a client handle which uses xdrrec for serialization
+ * and authnone for authentication.
+ */
+ xdrrec_create (&(ct->ct_xdrs), sendsz, recvsz,
+ (caddr_t) ct, readtcp, writetcp);
+ h->cl_ops = &tcp_ops;
+ h->cl_private = (caddr_t) ct;
+ h->cl_auth = authnone_create ();
+ return h;
+
+fooy:
+ /*
+ * Something goofed, free stuff and barf
+ */
+ mem_free ((caddr_t) ct, sizeof (struct ct_data));
+ mem_free ((caddr_t) h, sizeof (CLIENT));
+ return ((CLIENT *) NULL);
}
static enum clnt_stat
-clnttcp_call(h, proc, xdr_args, args_ptr, xdr_results, results_ptr,
- timeout)
-register 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 (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;
{
- register struct ct_data *ct = (struct ct_data *) h->cl_private;
- register XDR *xdrs = &(ct->ct_xdrs);
- struct rpc_msg reply_msg;
- u_long x_id;
- u_long *msg_x_id = (u_long *) (ct->ct_mcall); /* yuk */
- register bool_t shipnow;
- int refreshes = 2;
-
- if (!ct->ct_waitset) {
- ct->ct_wait = 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 */
+ bool_t shipnow;
+ int refreshes = 2;
+
+ if (!ct->ct_waitset)
+ {
+ ct->ct_wait = timeout;
+ }
+
+ shipnow =
+ (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;
+ ct->ct_error.re_status = RPC_SUCCESS;
+ x_id = ntohl (--(*msg_x_id));
+ if ((!XDR_PUTBYTES (xdrs, ct->ct_mcall, ct->ct_mpos)) ||
+ (!XDR_PUTLONG (xdrs, (long *) &proc)) ||
+ (!AUTH_MARSHALL (h->cl_auth, xdrs)) ||
+ (!(*xdr_args) (xdrs, args_ptr)))
+ {
+ if (ct->ct_error.re_status == RPC_SUCCESS)
+ ct->ct_error.re_status = RPC_CANTENCODEARGS;
+ (void) xdrrec_endofrecord (xdrs, TRUE);
+ return (ct->ct_error.re_status);
+ }
+ if (!xdrrec_endofrecord (xdrs, shipnow))
+ return ct->ct_error.re_status = RPC_CANTSEND;
+ if (!shipnow)
+ return RPC_SUCCESS;
+ /*
+ * Hack to provide rpc-based message passing
+ */
+ if (ct->ct_wait.tv_sec == 0 && ct->ct_wait.tv_usec == 0)
+ {
+ return ct->ct_error.re_status = RPC_TIMEDOUT;
+ }
+
+
+ /*
+ * Keep receiving until we get a valid transaction id
+ */
+ xdrs->x_op = XDR_DECODE;
+ while (TRUE)
+ {
+ reply_msg.acpted_rply.ar_verf = _null_auth;
+ reply_msg.acpted_rply.ar_results.where = NULL;
+ reply_msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void;
+ if (!xdrrec_skiprecord (xdrs))
+ return (ct->ct_error.re_status);
+ /* now decode and validate the response header */
+ if (!xdr_replymsg (xdrs, &reply_msg))
+ {
+ if (ct->ct_error.re_status == RPC_SUCCESS)
+ continue;
+ return ct->ct_error.re_status;
}
-
- shipnow =
- (xdr_results == (xdrproc_t) 0 && timeout.tv_sec == 0
- && timeout.tv_usec == 0) ? FALSE : TRUE;
-
- call_again:
- xdrs->x_op = XDR_ENCODE;
- ct->ct_error.re_status = RPC_SUCCESS;
- x_id = ntohl(--(*msg_x_id));
- if ((!XDR_PUTBYTES(xdrs, ct->ct_mcall, ct->ct_mpos)) ||
- (!XDR_PUTLONG(xdrs, (long *) &proc)) ||
- (!AUTH_MARSHALL(h->cl_auth, xdrs)) ||
- (!(*xdr_args) (xdrs, args_ptr))) {
- if (ct->ct_error.re_status == RPC_SUCCESS)
- ct->ct_error.re_status = RPC_CANTENCODEARGS;
- (void) xdrrec_endofrecord(xdrs, TRUE);
- return (ct->ct_error.re_status);
+ if ((u_int32_t) reply_msg.rm_xid == (u_int32_t) x_id)
+ break;
+ }
+
+ /*
+ * process header
+ */
+ _seterr_reply (&reply_msg, &(ct->ct_error));
+ if (ct->ct_error.re_status == RPC_SUCCESS)
+ {
+ if (!AUTH_VALIDATE (h->cl_auth, &reply_msg.acpted_rply.ar_verf))
+ {
+ ct->ct_error.re_status = RPC_AUTHERROR;
+ ct->ct_error.re_why = AUTH_INVALIDRESP;
}
- if (!xdrrec_endofrecord(xdrs, shipnow))
- return (ct->ct_error.re_status = RPC_CANTSEND);
- if (!shipnow)
- return (RPC_SUCCESS);
- /*
- * Hack to provide rpc-based message passing
- */
- if (timeout.tv_sec == 0 && timeout.tv_usec == 0) {
- return (ct->ct_error.re_status = RPC_TIMEDOUT);
+ else if (!(*xdr_results) (xdrs, results_ptr))
+ {
+ if (ct->ct_error.re_status == RPC_SUCCESS)
+ ct->ct_error.re_status = RPC_CANTDECODERES;
}
-
-
- /*
- * Keep receiving until we get a valid transaction id
- */
- xdrs->x_op = XDR_DECODE;
- while (TRUE) {
- reply_msg.acpted_rply.ar_verf = _null_auth;
- reply_msg.acpted_rply.ar_results.where = NULL;
- reply_msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void;
- if (!xdrrec_skiprecord(xdrs))
- return (ct->ct_error.re_status);
- /* now decode and validate the response header */
- if (!xdr_replymsg(xdrs, &reply_msg)) {
- if (ct->ct_error.re_status == RPC_SUCCESS)
- continue;
- return (ct->ct_error.re_status);
- }
- if (reply_msg.rm_xid == x_id)
- break;
+ /* free verifier ... */
+ if (reply_msg.acpted_rply.ar_verf.oa_base != NULL)
+ {
+ xdrs->x_op = XDR_FREE;
+ (void) xdr_opaque_auth (xdrs, &(reply_msg.acpted_rply.ar_verf));
}
-
- /*
- * process header
- */
- _seterr_reply(&reply_msg, &(ct->ct_error));
- if (ct->ct_error.re_status == RPC_SUCCESS) {
- if (!AUTH_VALIDATE(h->cl_auth, &reply_msg.acpted_rply.ar_verf)) {
- ct->ct_error.re_status = RPC_AUTHERROR;
- ct->ct_error.re_why = AUTH_INVALIDRESP;
- } else if (!(*xdr_results) (xdrs, results_ptr)) {
- if (ct->ct_error.re_status == RPC_SUCCESS)
- ct->ct_error.re_status = RPC_CANTDECODERES;
- }
- /* free verifier ... */
- if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) {
- xdrs->x_op = XDR_FREE;
- (void) xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf));
- }
- } /* end successful completion */
- else {
- /* maybe our credentials need to be refreshed ... */
- if (refreshes-- && AUTH_REFRESH(h->cl_auth))
- goto call_again;
- } /* end of unsuccessful completion */
- return (ct->ct_error.re_status);
+ } /* end successful completion */
+ else
+ {
+ /* maybe our credentials need to be refreshed ... */
+ if (refreshes-- && AUTH_REFRESH (h->cl_auth))
+ goto call_again;
+ } /* end of unsuccessful completion */
+ return ct->ct_error.re_status;
}
-static void clnttcp_geterr(h, errp)
-CLIENT *h;
-struct rpc_err *errp;
+static void
+clnttcp_geterr (h, errp)
+ CLIENT *h;
+ struct rpc_err *errp;
{
- register struct ct_data *ct = (struct ct_data *) h->cl_private;
+ struct ct_data *ct =
+ (struct ct_data *) h->cl_private;
- *errp = ct->ct_error;
+ *errp = ct->ct_error;
}
-static bool_t clnttcp_freeres(cl, xdr_res, res_ptr)
-CLIENT *cl;
-xdrproc_t xdr_res;
-caddr_t res_ptr;
+static bool_t
+clnttcp_freeres (cl, xdr_res, res_ptr)
+ CLIENT *cl;
+ xdrproc_t xdr_res;
+ caddr_t res_ptr;
{
- register struct ct_data *ct = (struct ct_data *) cl->cl_private;
- register XDR *xdrs = &(ct->ct_xdrs);
+ struct ct_data *ct = (struct ct_data *) cl->cl_private;
+ XDR *xdrs = &(ct->ct_xdrs);
- xdrs->x_op = XDR_FREE;
- return ((*xdr_res) (xdrs, res_ptr));
+ xdrs->x_op = XDR_FREE;
+ return (*xdr_res) (xdrs, res_ptr);
}
-static void clnttcp_abort()
+static void
+clnttcp_abort ()
{
}
-static bool_t clnttcp_control(cl, request, info)
-CLIENT *cl;
-int request;
-char *info;
+static bool_t
+clnttcp_control (CLIENT *cl, int request, char *info)
{
- register struct ct_data *ct = (struct ct_data *) cl->cl_private;
-
- switch (request) {
- case CLSET_TIMEOUT:
- ct->ct_wait = *(struct timeval *) info;
- ct->ct_waitset = TRUE;
- break;
- case CLGET_TIMEOUT:
- *(struct timeval *) info = ct->ct_wait;
- break;
- case CLGET_SERVER_ADDR:
- *(struct sockaddr_in *) info = ct->ct_addr;
- break;
- default:
- return (FALSE);
- }
- return (TRUE);
+ struct ct_data *ct = (struct ct_data *) cl->cl_private;
+
+
+ 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;
+ break;
+ case CLGET_TIMEOUT:
+ *(struct timeval *) info = ct->ct_wait;
+ break;
+ 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
+ */
+ *(u_long *)info = ntohl (*(u_long *)ct->ct_mcall);
+ break;
+ case CLSET_XID:
+ /* This will set the xid of the NEXT call */
+ *(u_long *)ct->ct_mcall = htonl (*(u_long *)info - 1);
+ /* decrement by 1 as clnttcp_call() increments once */
+ case CLGET_VERS:
+ /*
+ * This RELIES on the information that, in the call body,
+ * the version number field is the fifth field from the
+ * begining of the RPC header. MUST be changed if the
+ * call_struct is changed
+ */
+ *(u_long *)info = ntohl (*(u_long *)(ct->ct_mcall +
+ 4 * BYTES_PER_XDR_UNIT));
+ break;
+ case CLSET_VERS:
+ *(u_long *)(ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT)
+ = htonl (*(u_long *)info);
+ break;
+ case CLGET_PROG:
+ /*
+ * This RELIES on the information that, in the call body,
+ * the program number field is the field from the
+ * begining of the RPC header. MUST be changed if the
+ * call_struct is changed
+ */
+ *(u_long *)info = ntohl(*(u_long *)(ct->ct_mcall +
+ 3 * BYTES_PER_XDR_UNIT));
+ break;
+ case CLSET_PROG:
+ *(u_long *)(ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT)
+ = htonl(*(u_long *)info);
+ 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;
+ }
+ return TRUE;
}
-static void clnttcp_destroy(h)
-CLIENT *h;
+static void
+clnttcp_destroy (CLIENT *h)
{
- register struct ct_data *ct = (struct ct_data *) h->cl_private;
-
- if (ct->ct_closeit) {
- (void) close(ct->ct_sock);
- }
- XDR_DESTROY(&(ct->ct_xdrs));
- mem_free((caddr_t) ct, sizeof(struct ct_data));
-
- mem_free((caddr_t) h, sizeof(CLIENT));
+ struct ct_data *ct =
+ (struct ct_data *) h->cl_private;
+
+ if (ct->ct_closeit)
+ {
+ (void) close (ct->ct_sock);
+ }
+ XDR_DESTROY (&(ct->ct_xdrs));
+ mem_free ((caddr_t) ct, sizeof (struct ct_data));
+ mem_free ((caddr_t) h, sizeof (CLIENT));
}
/*
@@ -389,75 +473,68 @@ CLIENT *h;
* Behaves like the system calls, read & write, but keeps some error state
* around for the rpc level.
*/
-static int readtcp(ct, buf, len)
-register struct ct_data *ct;
-caddr_t buf;
-register int len;
+static int
+readtcp (char *ctptr, char *buf, int len)
{
-#ifdef FD_SETSIZE
- fd_set mask;
- fd_set readfds;
-
- if (len == 0)
- return (0);
- FD_ZERO(&mask);
- FD_SET(ct->ct_sock, &mask);
-#else
- register int mask = 1 << (ct->ct_sock);
- int readfds;
-
- if (len == 0)
- return (0);
-
-#endif /* def FD_SETSIZE */
- while (TRUE) {
- readfds = mask;
- switch (select
- (_rpc_dtablesize(), &readfds, NULL, NULL,
- &(ct->ct_wait))) {
- case 0:
- ct->ct_error.re_status = RPC_TIMEDOUT;
- return (-1);
-
- case -1:
- if (errno == EINTR)
- continue;
- ct->ct_error.re_status = RPC_CANTRECV;
- ct->ct_error.re_errno = errno;
- return (-1);
- }
- break;
- }
- switch (len = read(ct->ct_sock, buf, len)) {
-
+ struct ct_data *ct = (struct ct_data *)ctptr;
+ struct pollfd fd;
+ int milliseconds = (ct->ct_wait.tv_sec * 1000) +
+ (ct->ct_wait.tv_usec / 1000);
+
+ if (len == 0)
+ return 0;
+
+ fd.fd = ct->ct_sock;
+ fd.events = POLLIN;
+ while (TRUE)
+ {
+ switch (poll(&fd, 1, milliseconds))
+ {
case 0:
- /* premature eof */
- ct->ct_error.re_errno = ECONNRESET;
- ct->ct_error.re_status = RPC_CANTRECV;
- len = -1; /* it's really an error */
- break;
+ ct->ct_error.re_status = RPC_TIMEDOUT;
+ return -1;
case -1:
- ct->ct_error.re_errno = errno;
- ct->ct_error.re_status = RPC_CANTRECV;
- break;
+ if (errno == EINTR)
+ continue;
+ ct->ct_error.re_status = RPC_CANTRECV;
+ ct->ct_error.re_errno = errno;
+ return -1;
}
- return (len);
+ break;
+ }
+ switch (len = read (ct->ct_sock, buf, len))
+ {
+
+ case 0:
+ /* premature eof */
+ ct->ct_error.re_errno = ECONNRESET;
+ ct->ct_error.re_status = RPC_CANTRECV;
+ len = -1; /* it's really an error */
+ break;
+
+ case -1:
+ ct->ct_error.re_errno = errno;
+ ct->ct_error.re_status = RPC_CANTRECV;
+ break;
+ }
+ return len;
}
-static int writetcp(ct, buf, len)
-struct ct_data *ct;
-caddr_t buf;
-int len;
+static int
+writetcp (char *ctptr, char *buf, int len)
{
- register int i, cnt;
-
- for (cnt = len; cnt > 0; cnt -= i, buf += i) {
- if ((i = write(ct->ct_sock, buf, cnt)) == -1) {
- ct->ct_error.re_errno = errno;
- ct->ct_error.re_status = RPC_CANTSEND;
- return (-1);
- }
+ int i, cnt;
+ struct ct_data *ct = (struct ct_data*)ctptr;
+
+ for (cnt = len; cnt > 0; cnt -= i, buf += i)
+ {
+ if ((i = write (ct->ct_sock, buf, cnt)) == -1)
+ {
+ ct->ct_error.re_errno = errno;
+ ct->ct_error.re_status = RPC_CANTSEND;
+ return -1;
}
- return (len);
+ }
+ return len;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 06:52:59 +0000