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15637ed4 RG |
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 | */ | |
d2bc008e C |
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 = "$Id: pmap_getport.c,v 1.3 1993/08/26 00:53:28 jtc Exp $"; | |
15637ed4 RG |
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 | #include <rpc/rpc.h> | |
44 | #include <rpc/pmap_prot.h> | |
45 | #include <rpc/pmap_clnt.h> | |
46 | #include <sys/socket.h> | |
47 | #include <net/if.h> | |
48 | ||
49 | static struct timeval timeout = { 5, 0 }; | |
50 | static struct timeval tottimeout = { 60, 0 }; | |
51 | ||
52 | /* | |
53 | * Find the mapped port for program,version. | |
54 | * Calls the pmap service remotely to do the lookup. | |
55 | * Returns 0 if no map exists. | |
56 | */ | |
57 | u_short | |
58 | pmap_getport(address, program, version, protocol) | |
59 | struct sockaddr_in *address; | |
60 | u_long program; | |
61 | u_long version; | |
62 | u_int protocol; | |
63 | { | |
64 | u_short port = 0; | |
65 | int socket = -1; | |
66 | register CLIENT *client; | |
67 | struct pmap parms; | |
68 | ||
69 | address->sin_port = htons(PMAPPORT); | |
70 | client = clntudp_bufcreate(address, PMAPPROG, | |
71 | PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); | |
72 | if (client != (CLIENT *)NULL) { | |
73 | parms.pm_prog = program; | |
74 | parms.pm_vers = version; | |
75 | parms.pm_prot = protocol; | |
76 | parms.pm_port = 0; /* not needed or used */ | |
77 | if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms, | |
78 | xdr_u_short, &port, tottimeout) != RPC_SUCCESS){ | |
79 | rpc_createerr.cf_stat = RPC_PMAPFAILURE; | |
80 | clnt_geterr(client, &rpc_createerr.cf_error); | |
81 | } else if (port == 0) { | |
82 | rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; | |
83 | } | |
84 | CLNT_DESTROY(client); | |
85 | } | |
86 | (void)close(socket); | |
87 | address->sin_port = 0; | |
88 | return (port); | |
89 | } |