diff options
Diffstat (limited to 'libc/inet/rpc/pm_getport.c')
| -rw-r--r-- | libc/inet/rpc/pm_getport.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libc/inet/rpc/pm_getport.c b/libc/inet/rpc/pm_getport.c new file mode 100644 index 000000000..fe3ed82f8 --- /dev/null +++ b/libc/inet/rpc/pm_getport.c @@ -0,0 +1,97 @@ +/* @(#)pmap_getport.c 2.2 88/08/01 4.0 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 0 +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> + +libc_hidden_proto(clntudp_bufcreate) +libc_hidden_proto(__rpc_thread_createerr) +libc_hidden_proto(xdr_u_short) +libc_hidden_proto(xdr_pmap) + +static const struct timeval timeout = +{5, 0}; +static const 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. + */ +libc_hidden_proto(pmap_getport) +u_short +pmap_getport (struct sockaddr_in *address, u_long program, u_long version, u_int protocol) +{ + u_short port = 0; + int socket = -1; + CLIENT *client; + struct pmap parms; + + address->sin_port = htons (PMAPPORT); + client = clntudp_bufcreate (address, PMAPPROG, + PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); + if (client != (CLIENT *) NULL) + { + struct rpc_createerr *ce = &get_rpc_createerr (); + 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, (xdrproc_t)xdr_pmap, + (caddr_t)&parms, (xdrproc_t)xdr_u_short, + (caddr_t)&port, tottimeout) != RPC_SUCCESS) + { + ce->cf_stat = RPC_PMAPFAILURE; + clnt_geterr (client, &ce->cf_error); + } + else if (port == 0) + { + ce->cf_stat = RPC_PROGNOTREGISTERED; + } + CLNT_DESTROY (client); + } + /* (void)__close(socket); CLNT_DESTROY already closed it */ + address->sin_port = 0; + return port; +} +libc_hidden_def(pmap_getport) |