1 | /* |
---|
2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
---|
3 | * unrestricted use provided that this legend is included on all tape |
---|
4 | * media and as a part of the software program in whole or part. Users |
---|
5 | * may copy or modify Sun RPC without charge, but are not authorized |
---|
6 | * to license or distribute it to anyone else except as part of a product or |
---|
7 | * program developed by the user. |
---|
8 | * |
---|
9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
---|
10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
---|
11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
---|
12 | * |
---|
13 | * Sun RPC is provided with no support and without any obligation on the |
---|
14 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
---|
15 | * modification or enhancement. |
---|
16 | * |
---|
17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
---|
18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
---|
19 | * OR ANY PART THEREOF. |
---|
20 | * |
---|
21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
---|
22 | * or profits or other special, indirect and consequential damages, even if |
---|
23 | * Sun has been advised of the possibility of such damages. |
---|
24 | * |
---|
25 | * Sun Microsystems, Inc. |
---|
26 | * 2550 Garcia Avenue |
---|
27 | * Mountain View, California 94043 |
---|
28 | */ |
---|
29 | |
---|
30 | #if defined(LIBC_SCCS) && !defined(lint) |
---|
31 | /*static char *sccsid = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";*/ |
---|
32 | /*static char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";*/ |
---|
33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/pmap_getport.c,v 1.10 2000/01/27 23:06:40 jasone Exp $"; |
---|
34 | #endif |
---|
35 | |
---|
36 | /* |
---|
37 | * pmap_getport.c |
---|
38 | * Client interface to pmap rpc service. |
---|
39 | * |
---|
40 | * Copyright (C) 1984, Sun Microsystems, Inc. |
---|
41 | */ |
---|
42 | |
---|
43 | #ifdef HAVE_CONFIG_H |
---|
44 | #include "config.h" |
---|
45 | #endif |
---|
46 | |
---|
47 | #include <rpc/rpc.h> |
---|
48 | #include <rpc/pmap_prot.h> |
---|
49 | #include <rpc/pmap_clnt.h> |
---|
50 | #include <sys/socket.h> |
---|
51 | #include <sys/mbuf.h> |
---|
52 | #include <net/if.h> |
---|
53 | #include <unistd.h> |
---|
54 | |
---|
55 | static struct timeval timeout = { 5, 0 }; |
---|
56 | static struct timeval tottimeout = { 60, 0 }; |
---|
57 | |
---|
58 | /* |
---|
59 | * Find the mapped port for program,version. |
---|
60 | * Calls the pmap service remotely to do the lookup. |
---|
61 | * Returns 0 if no map exists. |
---|
62 | */ |
---|
63 | u_short |
---|
64 | pmap_getport( |
---|
65 | struct sockaddr_in *address, |
---|
66 | u_long program, |
---|
67 | u_long version, |
---|
68 | u_int protocol ) |
---|
69 | { |
---|
70 | u_short port = 0; |
---|
71 | int socket = -1; |
---|
72 | register CLIENT *client; |
---|
73 | struct pmap parms; |
---|
74 | |
---|
75 | address->sin_port = htons(PMAPPORT); |
---|
76 | client = clntudp_bufcreate(address, PMAPPROG, |
---|
77 | PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
---|
78 | if (client != (CLIENT *)NULL) { |
---|
79 | parms.pm_prog = program; |
---|
80 | parms.pm_vers = version; |
---|
81 | parms.pm_prot = protocol; |
---|
82 | parms.pm_port = 0; /* not needed or used */ |
---|
83 | if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms, |
---|
84 | xdr_u_short, &port, tottimeout) != RPC_SUCCESS){ |
---|
85 | rpc_createerr.cf_stat = RPC_PMAPFAILURE; |
---|
86 | clnt_geterr(client, &rpc_createerr.cf_error); |
---|
87 | } else if (port == 0) { |
---|
88 | rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; |
---|
89 | } |
---|
90 | CLNT_DESTROY(client); |
---|
91 | } |
---|
92 | if (socket != -1) |
---|
93 | (void)_RPC_close(socket); |
---|
94 | address->sin_port = 0; |
---|
95 | return (port); |
---|
96 | } |
---|