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- /*
- * 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
- */
- #ifndef lint
- static char sccsid[] = "@(#)pmap_clnt.c 1.1 86/02/03 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * pmap_clnt.c
- * Client interface to pmap rpc service.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
- #include "types.h"
- #include <netinet/in.h>
- #include "xdr.h"
- #include "auth.h"
- #include "clnt.h"
- #include "rpc_msg.h"
- #include "pmap_prot.h"
- #include "pmap_clnt.h"
- #include <sys/socket.h>
- #include <sys/time.h>
- #include <stdio.h>
- #include <net/if.h>
- #include <sys/ioctl.h>
- #include <arpa/inet.h>
- #define NAMELEN 255
-
- static struct timeval timeout = { 5, 0 };
- static struct timeval tottimeout = { 60, 0 };
- static struct sockaddr_in myaddress;
-
- void clnt_perror();
-
-
- /*
- * Set a mapping between program,version and port.
- * Calls the pmap service remotely to do the mapping.
- */
- bool_t
- pmap_set(program, version, protocol, port)
- u_long program;
- u_long version;
- u_long protocol;
- u_short port;
- {
- 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_prot = protocol;
- parms.pm_port = port;
- 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(socket);
- return (rslt);
- }
-
- /*
- * Remove the mapping between program,version and port.
- * Calls the pmap service remotely to do the un-mapping.
- */
- bool_t
- pmap_unset(program, version)
- u_long program;
- u_long 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);
- }
-
- /*
- * don't use gethostbyname, which would invoke yellow pages
- */
- get_myaddress(addr)
- struct sockaddr_in *addr;
- {
- int s;
- char buf[BUFSIZ];
- struct ifconf ifc;
- struct ifreq ifreq, *ifr;
- int len;
-
- if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- perror("get_myaddress: socket");
- exit(1);
- }
- ifc.ifc_len = sizeof (buf);
- ifc.ifc_buf = buf;
- if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) {
- perror("get_myaddress: ioctl (get interface configuration)");
- exit(1);
- }
- ifr = ifc.ifc_req;
- for (len = ifc.ifc_len; len; len -= sizeof ifreq) {
- ifreq = *ifr;
- if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
- perror("get_myaddress: ioctl");
- exit(1);
- }
- if ((ifreq.ifr_flags & IFF_UP) &&
- ifr->ifr_addr.sa_family == AF_INET) {
- *addr = *((struct sockaddr_in *)&ifr->ifr_addr);
- addr->sin_port = htons(PMAPPORT);
- break;
- }
- ifr++;
- }
- close(s);
- }
-