/* @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC */
/*
* Copyright (c) 2010, Oracle America, 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 the "Oracle America, 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.
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_clnt.c
* Client interface to pmap rpc service.
*/
#include <unistd.h>
#include <gssrpc/rpc.h>
#include <gssrpc/pmap_prot.h>
#include <gssrpc/pmap_clnt.h>
#if TARGET_OS_MAC
#include <sys/un.h>
#include <string.h>
#include <syslog.h>
#endif
static struct timeval timeout = { 5, 0 };
static struct timeval tottimeout = { 60, 0 };
void clnt_perror();
/*
* Set a mapping between program,version and port.
* Calls the pmap service remotely to do the mapping.
*/
bool_t
pmap_set(
rpcprog_t program,
rpcvers_t version,
rpcprot_t protocol,
u_int port)
{
struct sockaddr_in myaddress;
int sock = -1;
CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = port;
#if TARGET_OS_MAC
{
/*
* Poke launchd, then wait for portmap to start up.
*
* My impression is that the protocol involves getting
* something back from the server. So wait, briefly, to
* see if it's going to send us something. Then continue
* on, regardless. I don't actually check what the data
* is, because I have no idea what sort of validation, if
* any, is needed.
*
* However, for whatever reason, the socket seems to be
* mode 700 owner root on my system, so if you don't
* change its ownership or mode, and if the program isn't
* running as root, you still lose.
*/
#define TICKLER_SOCKET "/var/run/portmap.socket"
int tickle;
struct sockaddr_un a = {
.sun_family = AF_UNIX,
.sun_path = TICKLER_SOCKET,
.sun_len = (sizeof(TICKLER_SOCKET)
+ offsetof(struct sockaddr_un, sun_path)),
};
if (sizeof(TICKLER_SOCKET) <= sizeof(a.sun_path)) {
tickle = socket(AF_UNIX, SOCK_STREAM, 0);
if (tickle >= 0) {
if (connect(tickle, (struct sockaddr *)&a, a.sun_len) == 0
&& tickle < FD_SETSIZE) {
fd_set readfds;
struct timeval tv;
FD_ZERO(&readfds);
/* XXX Range check. */
FD_SET(tickle, &readfds);
tv.tv_sec = 5;
tv.tv_usec = 0;
(void) select(tickle+1, &readfds, 0, 0, &tv);
}
close(tickle);
}
}
}
#endif
if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout) != RPC_SUCCESS) {
clnt_perror(client, "Cannot register service");
return (FALSE);
}
CLNT_DESTROY(client);
(void)close(sock);
return (rslt);
}
/*
* Remove the mapping between program,version and port.
* Calls the pmap service remotely to do the un-mapping.
*/
bool_t
pmap_unset(
rpcprog_t program,
rpcvers_t version)
{
struct sockaddr_in myaddress;
int sock = -1;
CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_port = parms.pm_prot = 0;
CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout);
CLNT_DESTROY(client);
(void)close(sock);
return (rslt);
}