v13i079: Sun RPC, release 3.9, Part02/15
Rich Salz
rsalz at bbn.com
Wed Mar 2 10:02:39 AEST 1988
Submitted-by: Stephen X. Nahm <sxn at Sun.COM>
Posting-number: Volume 13, Issue 79
Archive-name: rpc3.9/part02
#! /bin/sh
# This is a shell archive. To extract, remove the header and type "sh filename"
#
cd rpc
echo x - clnt_raw.c
cat > clnt_raw.c <<'Funky_Stuff'
/* @(#)clnt_raw.c 1.2 87/11/09 3.9 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.
*
* 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_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* clnt_raw.c
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
* Memory based rpc for simple testing and timing.
* Interface to create an rpc client and server in the same process.
* This lets us similate rpc and get round trip overhead, without
* any interference from the kernal.
*/
#include <rpc/rpc.h>
#include <sys/time.h>
#define MCALL_MSG_SIZE 24
/*
* This is the "network" we will be moving stuff over.
*/
static struct clntraw_private {
CLIENT client_object;
XDR xdr_stream;
char _raw_buf[UDPMSGSIZE];
char mashl_callmsg[MCALL_MSG_SIZE];
u_int mcnt;
} *clntraw_private;
static enum clnt_stat clntraw_call();
static void clntraw_abort();
static void clntraw_geterr();
static bool_t clntraw_freeres();
static bool_t clntraw_control();
static void clntraw_destroy();
static struct clnt_ops client_ops = {
clntraw_call,
clntraw_abort,
clntraw_geterr,
clntraw_freeres,
clntraw_destroy,
clntraw_control
};
void svc_getreq();
/*
* Create a client handle for memory based rpc.
*/
CLIENT *
clntraw_create(prog, vers)
u_long prog;
u_long vers;
{
register struct clntraw_private *clp = clntraw_private;
struct rpc_msg call_msg;
XDR *xdrs = &clp->xdr_stream;
CLIENT *client = &clp->client_object;
if (clp == 0) {
clp = (struct clntraw_private *)calloc(1, sizeof (*clp));
if (clp == 0)
return (0);
clntraw_private = clp;
}
/*
* pre-serialize the staic part of the call msg and stash it away
*/
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;
xdrmem_create(xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE);
if (! xdr_callhdr(xdrs, &call_msg)) {
perror("clnt_raw.c - Fatal header serialization error.");
}
clp->mcnt = XDR_GETPOS(xdrs);
XDR_DESTROY(xdrs);
/*
* Set xdrmem for client/server shared buffer
*/
xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE);
/*
* create client handle
*/
client->cl_ops = &client_ops;
client->cl_auth = authnone_create();
return (client);
}
static enum clnt_stat
clntraw_call(h, proc, xargs, argsp, xresults, resultsp, timeout)
CLIENT *h;
u_long proc;
xdrproc_t xargs;
caddr_t argsp;
xdrproc_t xresults;
caddr_t resultsp;
struct timeval timeout;
{
register struct clntraw_private *clp = clntraw_private;
register XDR *xdrs = &clp->xdr_stream;
struct rpc_msg msg;
enum clnt_stat status;
struct rpc_err error;
if (clp == 0)
return (RPC_FAILED);
call_again:
/*
* send request
*/
xdrs->x_op = XDR_ENCODE;
XDR_SETPOS(xdrs, 0);
((struct rpc_msg *)clp->mashl_callmsg)->rm_xid ++ ;
if ((! XDR_PUTBYTES(xdrs, clp->mashl_callmsg, clp->mcnt)) ||
(! XDR_PUTLONG(xdrs, (long *)&proc)) ||
(! AUTH_MARSHALL(h->cl_auth, xdrs)) ||
(! (*xargs)(xdrs, argsp))) {
return (RPC_CANTENCODEARGS);
}
(void)XDR_GETPOS(xdrs); /* called just to cause overhead */
/*
* We have to call server input routine here because this is
* all going on in one process. Yuk.
*/
svc_getreq(1);
/*
* get results
*/
xdrs->x_op = XDR_DECODE;
XDR_SETPOS(xdrs, 0);
msg.acpted_rply.ar_verf = _null_auth;
msg.acpted_rply.ar_results.where = resultsp;
msg.acpted_rply.ar_results.proc = xresults;
if (! xdr_replymsg(xdrs, &msg))
return (RPC_CANTDECODERES);
_seterr_reply(&msg, &error);
status = error.re_status;
if (status == RPC_SUCCESS) {
if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) {
status = RPC_AUTHERROR;
}
} /* end successful completion */
else {
if (AUTH_REFRESH(h->cl_auth))
goto call_again;
} /* end of unsuccessful completion */
if (status == RPC_SUCCESS) {
if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) {
status = RPC_AUTHERROR;
}
if (msg.acpted_rply.ar_verf.oa_base != NULL) {
xdrs->x_op = XDR_FREE;
(void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf));
}
}
return (status);
}
static void
clntraw_geterr()
{
}
static bool_t
clntraw_freeres(cl, xdr_res, res_ptr)
CLIENT *cl;
xdrproc_t xdr_res;
caddr_t res_ptr;
{
register struct clntraw_private *clp = clntraw_private;
register XDR *xdrs = &clp->xdr_stream;
bool_t rval;
if (clp == 0)
{
rval = (bool_t) RPC_FAILED;
return (rval);
}
xdrs->x_op = XDR_FREE;
return ((*xdr_res)(xdrs, res_ptr));
}
static void
clntraw_abort()
{
}
static bool_t
clntraw_control()
{
return (FALSE);
}
static void
clntraw_destroy()
{
}
Funky_Stuff
len=`wc -c < clnt_raw.c`
if [ $len != 5845 ] ; then
echo error: clnt_raw.c was $len bytes long, should have been 5845
fi
echo x - clnt_simple.c
cat > clnt_simple.c <<'Funky_Stuff'
/* @(#)clnt_simple.c 1.1 87/11/04 3.9 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.
*
* 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_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* clnt_simple.c
* Simplified front end to rpc.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netdb.h>
#include <strings.h>
static struct callrpc_private {
CLIENT *client;
int socket;
int oldprognum, oldversnum, valid;
char *oldhost;
} *callrpc_private;
callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
char *host;
xdrproc_t inproc, outproc;
char *in, *out;
{
register struct callrpc_private *crp = callrpc_private;
struct sockaddr_in server_addr;
enum clnt_stat clnt_stat;
struct hostent *hp;
struct timeval timeout, tottimeout;
if (crp == 0) {
crp = (struct callrpc_private *)calloc(1, sizeof (*crp));
if (crp == 0)
return (0);
callrpc_private = crp;
}
if (crp->oldhost == NULL) {
crp->oldhost = malloc(256);
crp->oldhost[0] = 0;
crp->socket = RPC_ANYSOCK;
}
if (crp->valid && crp->oldprognum == prognum && crp->oldversnum == versnum
&& strcmp(crp->oldhost, host) == 0) {
/* reuse old client */
} else {
crp->valid = 0;
(void)close(crp->socket);
crp->socket = RPC_ANYSOCK;
if (crp->client) {
clnt_destroy(crp->client);
crp->client = NULL;
}
if ((hp = gethostbyname(host)) == NULL)
return ((int) RPC_UNKNOWNHOST);
timeout.tv_usec = 0;
timeout.tv_sec = 5;
bcopy(hp->h_addr, (char *)&server_addr.sin_addr, hp->h_length);
server_addr.sin_family = AF_INET;
server_addr.sin_port = 0;
if ((crp->client = clntudp_create(&server_addr, (u_long)prognum,
(u_long)versnum, timeout, &crp->socket)) == NULL)
return ((int) rpc_createerr.cf_stat);
crp->valid = 1;
crp->oldprognum = prognum;
crp->oldversnum = versnum;
(void) strcpy(crp->oldhost, host);
}
tottimeout.tv_sec = 25;
tottimeout.tv_usec = 0;
clnt_stat = clnt_call(crp->client, procnum, inproc, in,
outproc, out, tottimeout);
/*
* if call failed, empty cache
*/
if (clnt_stat != RPC_SUCCESS)
crp->valid = 0;
return ((int) clnt_stat);
}
Funky_Stuff
len=`wc -c < clnt_simple.c`
if [ $len != 3463 ] ; then
echo error: clnt_simple.c was $len bytes long, should have been 3463
fi
echo x - clnt_tcp.c
cat > clnt_tcp.c <<'Funky_Stuff'
/* @(#)clnt_tcp.c 1.2 87/11/09 3.9 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.
*
* 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_tcp.c 1.37 87/10/05 Copyr 1984 Sun Micro";
#endif
/*
* clnt_tcp.c, Implements a TCP/IP based, client side RPC.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
* TCP based RPC supports 'batched calls'.
* A sequence of calls may be batched-up in a send buffer. The rpc call
* return immediately to the client even though the call was not necessarily
* sent. The batching occurs if the results' xdr routine is NULL (0) AND
* the rpc timeout value is zero (see clnt.h, rpc).
*
* Clients should NOT casually batch calls that in fact return results; that is,
* the server side should be aware that a call is batched and not produce any
* return message. Batched calls that produce many result messages can
* deadlock (netlock) the client and the server....
*
* Now go hang yourself.
*/
#include <stdio.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netdb.h>
#include <errno.h>
#include <rpc/pmap_clnt.h>
#define MCALL_MSG_SIZE 24
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
};
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;
};
/*
* Create a client handle for a tcp/ip connection.
* If *sockp<0, *sockp is set to a newly created TCP socket and it is
* connected to raddr. If *sockp non-negative then
* raddr is ignored. The rpc/tcp package does buffering
* similar to stdio, so the client must pick send and receive buffer sizes,];
* 0 => use the default.
* If raddr->sin_port is 0, then a binder on the remote machine is
* consulted for the right port number.
* NB: *sockp is copied into a private area.
* NB: It is the clients responsibility to close *sockp.
* 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 *h;
register struct ct_data *ct;
struct timeval now;
struct rpc_msg call_msg;
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;
}
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;
}
/*
* 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;
}
/*
* 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);
}
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;
{
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;
}
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 (! 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);
}
/*
* 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 = 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;
}
/*
* 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);
}
static void
clnttcp_geterr(h, errp)
CLIENT *h;
struct rpc_err *errp;
{
register struct ct_data *ct =
(struct ct_data *) h->cl_private;
*errp = ct->ct_error;
}
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);
xdrs->x_op = XDR_FREE;
return ((*xdr_res)(xdrs, res_ptr));
}
static void
clnttcp_abort()
{
}
static bool_t
clnttcp_control(cl, request, info)
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);
}
static void
clnttcp_destroy(h)
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));
}
/*
* Interface between xdr serializer and tcp connection.
* 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;
{
#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, (int*)NULL, (int*)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)) {
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;
{
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);
}
}
return (len);
}
Funky_Stuff
len=`wc -c < clnt_tcp.c`
if [ $len != 12089 ] ; then
echo error: clnt_tcp.c was $len bytes long, should have been 12089
fi
echo x - clnt_udp.c
cat > clnt_udp.c <<'Funky_Stuff'
/* @(#)clnt_udp.c 1.2 87/11/09 3.9 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.
*
* 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_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* clnt_udp.c, Implements a UDP/IP based, client side RPC.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <netdb.h>
#include <errno.h>
#include <rpc/pmap_clnt.h>
extern int errno;
/*
* UDP bases client side rpc operations
*/
static enum clnt_stat clntudp_call();
static void clntudp_abort();
static void clntudp_geterr();
static bool_t clntudp_freeres();
static bool_t clntudp_control();
static void clntudp_destroy();
static struct clnt_ops udp_ops = {
clntudp_call,
clntudp_abort,
clntudp_geterr,
clntudp_freeres,
clntudp_destroy,
clntudp_control
};
/*
* Private data kept per client handle
*/
struct cu_data {
int cu_sock;
bool_t cu_closeit;
struct sockaddr_in cu_raddr;
int cu_rlen;
struct timeval cu_wait;
struct timeval cu_total;
struct rpc_err cu_error;
XDR cu_outxdrs;
u_int cu_xdrpos;
u_int cu_sendsz;
char *cu_outbuf;
u_int cu_recvsz;
char cu_inbuf[1];
};
/*
* Create a UDP based client handle.
* If *sockp<0, *sockp is set to a newly created UPD socket.
* If raddr->sin_port is 0 a binder on the remote machine
* is consulted for the correct port number.
* NB: It is the clients responsibility to close *sockp.
* NB: The rpch->cl_auth is initialized to null authentication.
* Caller may wish to set this something more useful.
*
* wait is the amount of time used between retransmitting a call if
* no response has been heard; retransmition occurs until the actual
* rpc call times out.
*
* sendsz and recvsz are the maximum allowable packet sizes that can be
* sent and received.
*/
CLIENT *
clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz)
struct sockaddr_in *raddr;
u_long program;
u_long version;
struct timeval wait;
register int *sockp;
u_int sendsz;
u_int recvsz;
{
CLIENT *cl;
register struct cu_data *cu;
struct timeval now;
struct rpc_msg call_msg;
cl = (CLIENT *)mem_alloc(sizeof(CLIENT));
if (cl == NULL) {
(void) fprintf(stderr, "clntudp_create: out of memory\n");
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
sendsz = ((sendsz + 3) / 4) * 4;
recvsz = ((recvsz + 3) / 4) * 4;
cu = (struct cu_data *)mem_alloc(sizeof(*cu) + sendsz + recvsz);
if (cu == NULL) {
(void) fprintf(stderr, "clntudp_create: out of memory\n");
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
cu->cu_outbuf = &cu->cu_inbuf[recvsz];
(void)gettimeofday(&now, (struct timezone *)0);
if (raddr->sin_port == 0) {
u_short port;
if ((port =
pmap_getport(raddr, program, version, IPPROTO_UDP)) == 0) {
goto fooy;
}
raddr->sin_port = htons(port);
}
cl->cl_ops = &udp_ops;
cl->cl_private = (caddr_t)cu;
cu->cu_raddr = *raddr;
cu->cu_rlen = sizeof (cu->cu_raddr);
cu->cu_wait = wait;
cu->cu_total.tv_sec = -1;
cu->cu_total.tv_usec = -1;
cu->cu_sendsz = sendsz;
cu->cu_recvsz = recvsz;
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 = program;
call_msg.rm_call.cb_vers = version;
xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf,
sendsz, XDR_ENCODE);
if (! xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) {
goto fooy;
}
cu->cu_xdrpos = XDR_GETPOS(&(cu->cu_outxdrs));
if (*sockp < 0) {
int dontblock = 1;
*sockp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (*sockp < 0) {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
goto fooy;
}
/* attempt to bind to prov port */
(void)bindresvport(*sockp, (struct sockaddr_in *)0);
/* the sockets rpc controls are non-blocking */
(void)ioctl(*sockp, FIONBIO, (char *) &dontblock);
cu->cu_closeit = TRUE;
} else {
cu->cu_closeit = FALSE;
}
cu->cu_sock = *sockp;
cl->cl_auth = authnone_create();
return (cl);
fooy:
if (cu)
mem_free((caddr_t)cu, sizeof(*cu) + sendsz + recvsz);
if (cl)
mem_free((caddr_t)cl, sizeof(CLIENT));
return ((CLIENT *)NULL);
}
CLIENT *
clntudp_create(raddr, program, version, wait, sockp)
struct sockaddr_in *raddr;
u_long program;
u_long version;
struct timeval wait;
register int *sockp;
{
return(clntudp_bufcreate(raddr, program, version, wait, sockp,
UDPMSGSIZE, UDPMSGSIZE));
}
static enum clnt_stat
clntudp_call(cl, proc, xargs, argsp, xresults, resultsp, utimeout)
register CLIENT *cl; /* client handle */
u_long proc; /* procedure number */
xdrproc_t xargs; /* xdr routine for args */
caddr_t argsp; /* pointer to args */
xdrproc_t xresults; /* xdr routine for results */
caddr_t resultsp; /* pointer to results */
struct timeval utimeout; /* seconds to wait before giving up */
{
register struct cu_data *cu = (struct cu_data *)cl->cl_private;
register XDR *xdrs;
register int outlen;
register int inlen;
int fromlen;
#ifdef FD_SETSIZE
fd_set readfds;
fd_set mask;
#else
int readfds;
register int mask;
#endif /* def FD_SETSIZE */
struct sockaddr_in from;
struct rpc_msg reply_msg;
XDR reply_xdrs;
struct timeval time_waited;
bool_t ok;
int nrefreshes = 2; /* number of times to refresh cred */
struct timeval timeout;
if (cu->cu_total.tv_usec == -1) {
timeout = utimeout; /* use supplied timeout */
} else {
timeout = cu->cu_total; /* use default timeout */
}
time_waited.tv_sec = 0;
time_waited.tv_usec = 0;
call_again:
xdrs = &(cu->cu_outxdrs);
xdrs->x_op = XDR_ENCODE;
XDR_SETPOS(xdrs, cu->cu_xdrpos);
/*
* the transaction is the first thing in the out buffer
*/
(*(u_short *)(cu->cu_outbuf))++;
if ((! XDR_PUTLONG(xdrs, (long *)&proc)) ||
(! AUTH_MARSHALL(cl->cl_auth, xdrs)) ||
(! (*xargs)(xdrs, argsp)))
return (cu->cu_error.re_status = RPC_CANTENCODEARGS);
outlen = (int)XDR_GETPOS(xdrs);
send_again:
if (sendto(cu->cu_sock, cu->cu_outbuf, outlen, 0,
(struct sockaddr *)&(cu->cu_raddr), cu->cu_rlen)
!= outlen) {
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTSEND);
}
/*
* Hack to provide rpc-based message passing
*/
if (timeout.tv_sec == 0 && timeout.tv_usec == 0) {
return (cu->cu_error.re_status = RPC_TIMEDOUT);
}
/*
* sub-optimal code appears here because we have
* some clock time to spare while the packets are in flight.
* (We assume that this is actually only executed once.)
*/
reply_msg.acpted_rply.ar_verf = _null_auth;
reply_msg.acpted_rply.ar_results.where = resultsp;
reply_msg.acpted_rply.ar_results.proc = xresults;
#ifdef FD_SETSIZE
FD_ZERO(&mask);
FD_SET(cu->cu_sock, &mask);
#else
mask = 1 << cu->cu_sock;
#endif /* def FD_SETSIZE */
for (;;) {
readfds = mask;
switch (select(_rpc_dtablesize(), &readfds, (int *)NULL,
(int *)NULL, &(cu->cu_wait))) {
case 0:
time_waited.tv_sec += cu->cu_wait.tv_sec;
time_waited.tv_usec += cu->cu_wait.tv_usec;
while (time_waited.tv_usec >= 1000000) {
time_waited.tv_sec++;
time_waited.tv_usec -= 1000000;
}
if ((time_waited.tv_sec < timeout.tv_sec) ||
((time_waited.tv_sec == timeout.tv_sec) &&
(time_waited.tv_usec < timeout.tv_usec)))
goto send_again;
return (cu->cu_error.re_status = RPC_TIMEDOUT);
/*
* buggy in other cases because time_waited is not being
* updated.
*/
case -1:
if (errno == EINTR)
continue;
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
do {
fromlen = sizeof(struct sockaddr);
inlen = recvfrom(cu->cu_sock, cu->cu_inbuf,
(int) cu->cu_recvsz, 0,
(struct sockaddr *)&from, &fromlen);
} while (inlen < 0 && errno == EINTR);
if (inlen < 0) {
if (errno == EWOULDBLOCK)
continue;
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
if (inlen < sizeof(u_long))
continue;
/* see if reply transaction id matches sent id */
if (*((u_long *)(cu->cu_inbuf)) != *((u_long *)(cu->cu_outbuf)))
continue;
/* we now assume we have the proper reply */
break;
}
/*
* now decode and validate the response
*/
xdrmem_create(&reply_xdrs, cu->cu_inbuf, (u_int)inlen, XDR_DECODE);
ok = xdr_replymsg(&reply_xdrs, &reply_msg);
/* XDR_DESTROY(&reply_xdrs); save a few cycles on noop destroy */
if (ok) {
_seterr_reply(&reply_msg, &(cu->cu_error));
if (cu->cu_error.re_status == RPC_SUCCESS) {
if (! AUTH_VALIDATE(cl->cl_auth,
&reply_msg.acpted_rply.ar_verf)) {
cu->cu_error.re_status = RPC_AUTHERROR;
cu->cu_error.re_why = AUTH_INVALIDRESP;
}
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 (nrefreshes > 0 && AUTH_REFRESH(cl->cl_auth)) {
nrefreshes--;
goto call_again;
}
} /* end of unsuccessful completion */
} /* end of valid reply message */
else {
cu->cu_error.re_status = RPC_CANTDECODERES;
}
return (cu->cu_error.re_status);
}
static void
clntudp_geterr(cl, errp)
CLIENT *cl;
struct rpc_err *errp;
{
register struct cu_data *cu = (struct cu_data *)cl->cl_private;
*errp = cu->cu_error;
}
static bool_t
clntudp_freeres(cl, xdr_res, res_ptr)
CLIENT *cl;
xdrproc_t xdr_res;
caddr_t res_ptr;
{
register struct cu_data *cu = (struct cu_data *)cl->cl_private;
register XDR *xdrs = &(cu->cu_outxdrs);
xdrs->x_op = XDR_FREE;
return ((*xdr_res)(xdrs, res_ptr));
}
static void
clntudp_abort(/*h*/)
/*CLIENT *h;*/
{
}
static bool_t
clntudp_control(cl, request, info)
CLIENT *cl;
int request;
char *info;
{
register struct cu_data *cu = (struct cu_data *)cl->cl_private;
switch (request) {
case CLSET_TIMEOUT:
cu->cu_total = *(struct timeval *)info;
break;
case CLGET_TIMEOUT:
*(struct timeval *)info = cu->cu_total;
break;
case CLSET_RETRY_TIMEOUT:
cu->cu_wait = *(struct timeval *)info;
break;
case CLGET_RETRY_TIMEOUT:
*(struct timeval *)info = cu->cu_wait;
break;
case CLGET_SERVER_ADDR:
*(struct sockaddr_in *)info = cu->cu_raddr;
break;
default:
return (FALSE);
}
return (TRUE);
}
static void
clntudp_destroy(cl)
CLIENT *cl;
{
register struct cu_data *cu = (struct cu_data *)cl->cl_private;
if (cu->cu_closeit) {
(void)close(cu->cu_sock);
}
XDR_DESTROY(&(cu->cu_outxdrs));
mem_free((caddr_t)cu, (sizeof(*cu) + cu->cu_sendsz + cu->cu_recvsz));
mem_free((caddr_t)cl, sizeof(CLIENT));
}
Funky_Stuff
len=`wc -c < clnt_udp.c`
if [ $len != 12060 ] ; then
echo error: clnt_udp.c was $len bytes long, should have been 12060
fi
echo x - get_myaddress.c
cat > get_myaddress.c <<'Funky_Stuff'
/* @(#)get_myaddress.c 1.1 87/11/04 3.9 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.
*
* 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[] = "@(#)get_myaddress.c 1.4 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* get_myaddress.c
*
* Get client's IP address via ioctl. This avoids using the yellowpages.
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/types.h>
#include <rpc/pmap_prot.h>
#include <sys/socket.h>
#include <stdio.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#include <netinet/in.h>
/*
* don't use gethostbyname, which would invoke yellow pages
*/
get_myaddress(addr)
struct sockaddr_in *addr;
{
int s;
char buf[BUFSIZ];
struct ifconf ifc;
struct ifreq ifreq, *ifr;
int len;
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("get_myaddress: socket");
exit(1);
}
ifc.ifc_len = sizeof (buf);
ifc.ifc_buf = buf;
if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) {
perror("get_myaddress: ioctl (get interface configuration)");
exit(1);
}
ifr = ifc.ifc_req;
for (len = ifc.ifc_len; len; len -= sizeof ifreq) {
ifreq = *ifr;
if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
perror("get_myaddress: ioctl");
exit(1);
}
if ((ifreq.ifr_flags & IFF_UP) &&
ifr->ifr_addr.sa_family == AF_INET) {
*addr = *((struct sockaddr_in *)&ifr->ifr_addr);
addr->sin_port = htons(PMAPPORT);
break;
}
ifr++;
}
(void) close(s);
}
Funky_Stuff
len=`wc -c < get_myaddress.c`
if [ $len != 2668 ] ; then
echo error: get_myaddress.c was $len bytes long, should have been 2668
fi
echo x - getrpcent.c
cat > getrpcent.c <<'Funky_Stuff'
/* @(#)getrpcent.c 1.4 87/11/13 3.9 RPCSRC */
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)getrpcent.c 1.9 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* 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.
*
* 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
*/
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <netdb.h>
#include <sys/socket.h>
/*
* Internet version.
*/
struct rpcdata {
FILE *rpcf;
char *current;
int currentlen;
int stayopen;
#define MAXALIASES 35
char *rpc_aliases[MAXALIASES];
struct rpcent rpc;
char line[BUFSIZ+1];
char *domain;
} *rpcdata, *_rpcdata();
static struct rpcent *interpret();
struct hostent *gethostent();
char *inet_ntoa();
static char *index();
static char RPCDB[] = "/etc/rpc";
static struct rpcdata *
_rpcdata()
{
register struct rpcdata *d = rpcdata;
if (d == 0) {
d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
rpcdata = d;
}
return (d);
}
struct rpcent *
getrpcbynumber(number)
register int number;
{
register struct rpcdata *d = _rpcdata();
register struct rpcent *p;
int reason;
char adrstr[10], *val = NULL;
int vallen;
if (d == 0)
return (0);
setrpcent(0);
while (p = getrpcent()) {
if (p->r_number == number)
break;
}
endrpcent();
return (p);
}
struct rpcent *
getrpcbyname(name)
char *name;
{
struct rpcent *rpc;
char **rp;
setrpcent(0);
while(rpc = getrpcent()) {
if (strcmp(rpc->r_name, name) == 0)
return (rpc);
for (rp = rpc->r_aliases; *rp != NULL; rp++) {
if (strcmp(*rp, name) == 0)
return (rpc);
}
}
endrpcent();
return (NULL);
}
setrpcent(f)
int f;
{
register struct rpcdata *d = _rpcdata();
if (d == 0)
return;
if (d->rpcf == NULL)
d->rpcf = fopen(RPCDB, "r");
else
rewind(d->rpcf);
if (d->current)
free(d->current);
d->current = NULL;
d->stayopen |= f;
}
endrpcent()
{
register struct rpcdata *d = _rpcdata();
if (d == 0)
return;
if (d->current && !d->stayopen) {
free(d->current);
d->current = NULL;
}
if (d->rpcf && !d->stayopen) {
fclose(d->rpcf);
d->rpcf = NULL;
}
}
struct rpcent *
getrpcent()
{
struct rpcent *hp;
int reason;
char *key = NULL, *val = NULL;
int keylen, vallen;
register struct rpcdata *d = _rpcdata();
if (d == 0)
return;
if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
return (NULL);
if (fgets(d->line, BUFSIZ, d->rpcf) == NULL)
return (NULL);
return interpret(d->line, strlen(d->line));
}
static struct rpcent *
interpret(val, len)
{
register struct rpcdata *d = _rpcdata();
char *p;
register char *cp, **q;
if (d == 0)
return;
strncpy(d->line, val, len);
p = d->line;
d->line[len] = '\n';
if (*p == '#')
return (getrpcent());
cp = index(p, '#');
if (cp == NULL)
{
cp = index(p, '\n');
if (cp == NULL)
return (getrpcent());
}
*cp = '\0';
cp = index(p, ' ');
if (cp == NULL)
{
cp = index(p, '\t');
if (cp == NULL)
return (getrpcent());
}
*cp++ = '\0';
/* THIS STUFF IS INTERNET SPECIFIC */
d->rpc.r_name = d->line;
while (*cp == ' ' || *cp == '\t')
cp++;
d->rpc.r_number = atoi(cp);
q = d->rpc.r_aliases = d->rpc_aliases;
cp = index(p, ' ');
if (cp != NULL)
*cp++ = '\0';
else
{
cp = index(p, '\t');
if (cp != NULL)
*cp++ = '\0';
}
while (cp && *cp) {
if (*cp == ' ' || *cp == '\t') {
cp++;
continue;
}
if (q < &(d->rpc_aliases[MAXALIASES - 1]))
*q++ = cp;
cp = index(p, ' ');
if (cp != NULL)
*cp++ = '\0';
else
{
cp = index(p, '\t');
if (cp != NULL)
*cp++ = '\0';
}
}
*q = NULL;
return (&d->rpc);
}
Funky_Stuff
len=`wc -c < getrpcent.c`
if [ $len != 4805 ] ; then
echo error: getrpcent.c was $len bytes long, should have been 4805
fi
echo x - getrpcport.c
cat > getrpcport.c <<'Funky_Stuff'
/* @(#)getrpcport.c 1.2 87/11/13 3.9 RPCSRC */
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)getrpcport.c 1.3 87/08/11 SMI";
#endif
/*
* 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.
*
* 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
*/
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <rpc/rpc.h>
#include <netdb.h>
#include <sys/socket.h>
getrpcport(host, prognum, versnum, proto)
char *host;
{
struct sockaddr_in addr;
struct hostent *hp;
if ((hp = gethostbyname(host)) == NULL)
return (0);
bcopy(hp->h_addr, (char *) &addr.sin_addr, hp->h_length);
addr.sin_family = AF_INET;
addr.sin_port = 0;
return (pmap_getport(&addr, prognum, versnum, proto));
}
Funky_Stuff
len=`wc -c < getrpcport.c`
if [ $len != 1890 ] ; then
echo error: getrpcport.c was $len bytes long, should have been 1890
fi
echo x - netdb.h
cat > netdb.h <<'Funky_Stuff'
/* @(#)netdb.h 1.1 87/11/13 3.9 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.
*
* 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
*/
/* @(#)rpc.h 1.8 87/07/24 SMI */
/* Really belongs in <netdb.h> */
struct rpcent {
char *r_name; /* name of server for this rpc program */
char **r_aliases; /* alias list */
int r_number; /* rpc program number */
};
struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent();
Funky_Stuff
len=`wc -c < netdb.h`
if [ $len != 1637 ] ; then
echo error: netdb.h was $len bytes long, should have been 1637
fi
echo x - pmap_clnt.c
cat > pmap_clnt.c <<'Funky_Stuff'
/* @(#)pmap_clnt.c 1.1 87/11/04 3.9 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.
*
* 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[] = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_clnt.c
* Client interface to pmap rpc service.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <sys/time.h>
static struct timeval timeout = { 5, 0 };
static struct timeval tottimeout = { 60, 0 };
void clnt_perror();
/*
* Set a mapping between program,version and port.
* Calls the pmap service remotely to do the mapping.
*/
bool_t
pmap_set(program, version, protocol, port)
u_long program;
u_long version;
int protocol;
u_short port;
{
struct sockaddr_in myaddress;
int socket = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = port;
if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout) != RPC_SUCCESS) {
clnt_perror(client, "Cannot register service");
return (FALSE);
}
CLNT_DESTROY(client);
(void)close(socket);
return (rslt);
}
/*
* Remove the mapping between program,version and port.
* Calls the pmap service remotely to do the un-mapping.
*/
bool_t
pmap_unset(program, version)
u_long program;
u_long version;
{
struct sockaddr_in myaddress;
int socket = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_port = parms.pm_prot = 0;
CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout);
CLNT_DESTROY(client);
(void)close(socket);
return (rslt);
}
Funky_Stuff
len=`wc -c < pmap_clnt.c`
if [ $len != 3374 ] ; then
echo error: pmap_clnt.c was $len bytes long, should have been 3374
fi
echo x - pmap_clnt.h
cat > pmap_clnt.h <<'Funky_Stuff'
/* @(#)pmap_clnt.h 1.1 87/11/04 3.9 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.
*
* 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
*/
/* @(#)pmap_clnt.h 1.10 86/07/16 SMI */
/*
* pmap_clnt.h
* Supplies C routines to get to portmap services.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
/*
* Usage:
* success = pmap_set(program, version, protocol, port);
* success = pmap_unset(program, version);
* port = pmap_getport(address, program, version, protocol);
* head = pmap_getmaps(address);
* clnt_stat = pmap_rmtcall(address, program, version, procedure,
* xdrargs, argsp, xdrres, resp, tout, port_ptr)
* (works for udp only.)
* clnt_stat = clnt_broadcast(program, version, procedure,
* xdrargs, argsp, xdrres, resp, eachresult)
* (like pmap_rmtcall, except the call is broadcasted to all
* locally connected nets. For each valid response received,
* the procedure eachresult is called. Its form is:
* done = eachresult(resp, raddr)
* bool_t done;
* caddr_t resp;
* struct sockaddr_in raddr;
* where resp points to the results of the call and raddr is the
* address if the responder to the broadcast.
*/
extern bool_t pmap_set();
extern bool_t pmap_unset();
extern struct pmaplist *pmap_getmaps();
enum clnt_stat pmap_rmtcall();
enum clnt_stat clnt_broadcast();
extern u_short pmap_getport();
Funky_Stuff
len=`wc -c < pmap_clnt.h`
if [ $len != 2525 ] ; then
echo error: pmap_clnt.h was $len bytes long, should have been 2525
fi
echo x - pmap_getmaps.c
cat > pmap_getmaps.c <<'Funky_Stuff'
/* @(#)pmap_getmaps.c 1.1 87/11/04 3.9 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.
*
* 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[] = "@(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_getmap.c
* Client interface to pmap rpc service.
* contains pmap_getmaps, which is only tcp service involved
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
#include <net/if.h>
#include <sys/ioctl.h>
#define NAMELEN 255
#define MAX_BROADCAST_SIZE 1400
extern int errno;
/*
* Get a copy of the current port maps.
* Calls the pmap service remotely to do get the maps.
*/
struct pmaplist *
pmap_getmaps(address)
struct sockaddr_in *address;
{
struct pmaplist *head = (struct pmaplist *)NULL;
int socket = -1;
struct timeval minutetimeout;
register CLIENT *client;
minutetimeout.tv_sec = 60;
minutetimeout.tv_usec = 0;
address->sin_port = htons(PMAPPORT);
client = clnttcp_create(address, PMAPPROG,
PMAPVERS, &socket, 50, 500);
if (client != (CLIENT *)NULL) {
if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist,
&head, minutetimeout) != RPC_SUCCESS) {
clnt_perror(client, "pmap_getmaps rpc problem");
}
CLNT_DESTROY(client);
}
(void)close(socket);
address->sin_port = 0;
return (head);
}
Funky_Stuff
len=`wc -c < pmap_getmaps.c`
if [ $len != 2682 ] ; then
echo error: pmap_getmaps.c was $len bytes long, should have been 2682
fi
echo x - pmap_getport.c
cat > pmap_getport.c <<'Funky_Stuff'
/* @(#)pmap_getport.c 1.1 87/11/04 3.9 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.
*
* 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[] = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_getport.c
* Client interface to pmap rpc service.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <net/if.h>
static struct timeval timeout = { 5, 0 };
static struct timeval tottimeout = { 60, 0 };
/*
* Find the mapped port for program,version.
* Calls the pmap service remotely to do the lookup.
* Returns 0 if no map exists.
*/
u_short
pmap_getport(address, program, version, protocol)
struct sockaddr_in *address;
u_long program;
u_long version;
u_int protocol;
{
u_short port = 0;
int socket = -1;
register CLIENT *client;
struct pmap parms;
address->sin_port = htons(PMAPPORT);
client = clntudp_bufcreate(address, PMAPPROG,
PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client != (CLIENT *)NULL) {
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = 0; /* not needed or used */
if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms,
xdr_u_short, &port, tottimeout) != RPC_SUCCESS){
rpc_createerr.cf_stat = RPC_PMAPFAILURE;
clnt_geterr(client, &rpc_createerr.cf_error);
} else if (port == 0) {
rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
}
CLNT_DESTROY(client);
}
(void)close(socket);
address->sin_port = 0;
return (port);
}
Funky_Stuff
len=`wc -c < pmap_getport.c`
if [ $len != 2846 ] ; then
echo error: pmap_getport.c was $len bytes long, should have been 2846
fi
echo x - pmap_prot.c
cat > pmap_prot.c <<'Funky_Stuff'
/* @(#)pmap_prot.c 1.1 87/11/04 3.9 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.
*
* 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[] = "@(#)pmap_prot.c 1.17 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_prot.c
* Protocol for the local binder service, or pmap.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <rpc/pmap_prot.h>
bool_t
xdr_pmap(xdrs, regs)
XDR *xdrs;
struct pmap *regs;
{
if (xdr_u_long(xdrs, ®s->pm_prog) &&
xdr_u_long(xdrs, ®s->pm_vers) &&
xdr_u_long(xdrs, ®s->pm_prot))
return (xdr_u_long(xdrs, ®s->pm_port));
return (FALSE);
}
Funky_Stuff
len=`wc -c < pmap_prot.c`
if [ $len != 1879 ] ; then
echo error: pmap_prot.c was $len bytes long, should have been 1879
fi
cd ..
echo more files to follow
exit
--
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