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/* $OpenBSD: pmap_clnt.c,v 1.19 2015/09/13 15:36:56 guenther Exp $ */ |
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/* |
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* Copyright (c) 2010, Oracle America, Inc. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* * Neither the name of the "Oracle America, Inc." nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/* |
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* pmap_clnt.c |
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* Client interface to pmap rpc service. |
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*/ |
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#include <unistd.h> |
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#include <errno.h> |
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#include <rpc/rpc.h> |
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#include <rpc/pmap_prot.h> |
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#include <rpc/pmap_clnt.h> |
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static struct timeval timeout = { 5, 0 }; |
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static struct timeval tottimeout = { 60, 0 }; |
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/* |
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* Set a mapping between program,version and port. |
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* Calls the pmap service remotely to do the mapping. |
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*/ |
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bool_t |
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pmap_set(u_long program, u_long version, u_int protocol, int iport) |
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{ |
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struct sockaddr_in myaddress; |
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int sock = -1; |
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CLIENT *client; |
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struct pmap parms; |
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bool_t rslt; |
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int save_errno; |
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u_short port = iport; |
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if (get_myaddress(&myaddress) != 0) |
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return (FALSE); |
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myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, |
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timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
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if (client == NULL) |
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return (FALSE); |
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parms.pm_prog = program; |
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parms.pm_vers = version; |
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parms.pm_prot = protocol; |
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parms.pm_port = port; |
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if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, |
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tottimeout) != RPC_SUCCESS) { |
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save_errno = errno; |
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rslt = FALSE; |
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} else |
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save_errno = errno; |
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CLNT_DESTROY(client); |
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errno = save_errno; |
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return (rslt); |
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} |
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DEF_WEAK(pmap_set); |
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/* |
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* Remove the mapping between program,version and port. |
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* Calls the pmap service remotely to do the un-mapping. |
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*/ |
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bool_t |
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pmap_unset(u_long program, u_long version) |
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{ |
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struct sockaddr_in myaddress; |
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int sock = -1; |
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CLIENT *client; |
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struct pmap parms; |
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bool_t rslt; |
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if (get_myaddress(&myaddress) != 0) |
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return (FALSE); |
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myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, |
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timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
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if (client == NULL) |
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return (FALSE); |
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parms.pm_prog = program; |
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parms.pm_vers = version; |
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parms.pm_port = parms.pm_prot = 0; |
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CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, |
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tottimeout); |
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CLNT_DESTROY(client); |
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return (rslt); |
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} |
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DEF_WEAK(pmap_unset); |