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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 05:45:02 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 05:45:02 +0000 |
commit | 68a560641f7a38c184fd3346dd8008b86e12d77a (patch) | |
tree | d927b2a890d51e5d9e037c03042fb6fabd689cc0 /src/pmap_getport.c | |
parent | Initial commit. (diff) | |
download | libtirpc-upstream/1.3.4+ds.tar.xz libtirpc-upstream/1.3.4+ds.zip |
Adding upstream version 1.3.4+ds.upstream/1.3.4+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/pmap_getport.c')
-rw-r--r-- | src/pmap_getport.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/pmap_getport.c b/src/pmap_getport.c new file mode 100644 index 0000000..72853a0 --- /dev/null +++ b/src/pmap_getport.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2009, Sun Microsystems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +/* + * pmap_getport.c + * Client interface to pmap rpc service. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <arpa/inet.h> +#include <net/if.h> + +#include <assert.h> +#include <unistd.h> + +#include <rpc/rpc.h> +#include <rpc/pmap_prot.h> +#include <rpc/pmap_clnt.h> + +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. + */ +u_short +pmap_getport(address, program, version, protocol) + struct sockaddr_in *address; + u_long program; + u_long version; + u_int protocol; +{ + u_short port = 0; + int sock = -1; + CLIENT *client; + struct pmap parms; + + assert(address != NULL); + + address->sin_port = htons(PMAPPORT); + client = clntudp_bufcreate(address, PMAPPROG, + PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); + if (client != NULL) { + parms.pm_prog = program; + parms.pm_vers = version; + parms.pm_prot = protocol; + parms.pm_port = 0; /* not needed or used */ + if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT, + (xdrproc_t)xdr_pmap, + &parms, (xdrproc_t)xdr_u_short, &port, tottimeout) != + RPC_SUCCESS){ + rpc_createerr.cf_stat = RPC_PMAPFAILURE; + clnt_geterr(client, &rpc_createerr.cf_error); + } else if (port == 0) { + rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; + } + CLNT_DESTROY(client); + } + address->sin_port = 0; + return (port); +} |