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/* @(#)pmap_clnt.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 !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.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#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;
register 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 socket = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &socket, 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(socket);
return (rslt);
}
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