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18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
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27 * Mountain View, California 94043
29 * @(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro
30 * @(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC
31 * $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $
32 * $FreeBSD: src/lib/libc/rpc/pmap_rmt.c,v 1.20 2004/10/16 06:11:35 obrien Exp $
33 * $DragonFly: src/lib/libc/rpc/pmap_rmt.c,v 1.5 2005/11/13 12:27:04 swildner Exp $
38 * Client interface to pmap rpc service.
39 * remote call and broadcast service
41 * Copyright (C) 1984, Sun Microsystems, Inc.
44 #include "namespace.h"
45 #include <sys/types.h>
46 #include <sys/ioctl.h>
48 #include <sys/socket.h>
51 #include <netinet/in.h>
52 #include <arpa/inet.h>
62 #include <rpc/pmap_prot.h>
63 #include <rpc/pmap_clnt.h>
64 #include <rpc/pmap_rmt.h>
65 #include "un-namespace.h"
67 static const struct timeval timeout
= { 3, 0 };
70 * pmapper remote-call-service interface.
71 * This routine is used to call the pmapper remote call service
72 * which will look up a service program in the port maps, and then
73 * remotely call that routine with the given parameters. This allows
74 * programs to do a lookup and call in one step.
77 pmap_rmtcall(struct sockaddr_in
*addr
, u_long prog
, u_long vers
, u_long proc
,
78 xdrproc_t xdrargs
, caddr_t argsp
, xdrproc_t xdrres
, caddr_t resp
,
79 struct timeval tout
, u_long
*port_ptr
)
88 assert(port_ptr
!= NULL
);
90 addr
->sin_port
= htons(PMAPPORT
);
91 client
= clntudp_create(addr
, PMAPPROG
, PMAPVERS
, timeout
, &sock
);
98 r
.port_ptr
= port_ptr
;
100 r
.xdr_results
= xdrres
;
101 stat
= CLNT_CALL(client
, (rpcproc_t
)PMAPPROC_CALLIT
,
102 (xdrproc_t
)xdr_rmtcall_args
, &a
, (xdrproc_t
)xdr_rmtcallres
,
104 CLNT_DESTROY(client
);
114 * XDR remote call arguments
115 * written for XDR_ENCODE direction only
118 xdr_rmtcall_args(XDR
*xdrs
, struct rmtcallargs
*cap
)
120 u_int lenposition
, argposition
, position
;
122 assert(xdrs
!= NULL
);
125 if (xdr_u_long(xdrs
, &(cap
->prog
)) &&
126 xdr_u_long(xdrs
, &(cap
->vers
)) &&
127 xdr_u_long(xdrs
, &(cap
->proc
))) {
128 lenposition
= XDR_GETPOS(xdrs
);
129 if (! xdr_u_long(xdrs
, &(cap
->arglen
)))
131 argposition
= XDR_GETPOS(xdrs
);
132 if (! (*(cap
->xdr_args
))(xdrs
, cap
->args_ptr
))
134 position
= XDR_GETPOS(xdrs
);
135 cap
->arglen
= (u_long
)position
- (u_long
)argposition
;
136 XDR_SETPOS(xdrs
, lenposition
);
137 if (! xdr_u_long(xdrs
, &(cap
->arglen
)))
139 XDR_SETPOS(xdrs
, position
);
146 * XDR remote call results
147 * written for XDR_DECODE direction only
150 xdr_rmtcallres(XDR
*xdrs
, struct rmtcallres
*crp
)
154 assert(xdrs
!= NULL
);
157 port_ptr
= (caddr_t
)(void *)crp
->port_ptr
;
158 if (xdr_reference(xdrs
, &port_ptr
, sizeof (u_long
),
159 (xdrproc_t
)xdr_u_long
) && xdr_u_long(xdrs
, &crp
->resultslen
)) {
160 crp
->port_ptr
= (u_long
*)(void *)port_ptr
;
161 return ((*(crp
->xdr_results
))(xdrs
, crp
->results_ptr
));