home *** CD-ROM | disk | FTP | other *** search
- Date: Wed, 3 Apr 85 00:10:58 pst
- From: decvax!sun!pumpkinseed!blyon (Bob Lyon)
- Subject: Sun RPC part 8 of 10
-
- echo x - pmap_clnt.c
- sed 's/^X//' >pmap_clnt.c <<'!Funky!Stuff!'
- /*
- * 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 1.3 85/02/08 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_create(&myaddress, PMAPPROG, PMAPVERS,
- timeout, &socket);
- 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_create(&myaddress, PMAPPROG, PMAPVERS,
- timeout, &socket);
- 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) {
- *addr = *((struct sockaddr_in *)&ifr->ifr_addr);
- addr->sin_port = htons(PMAPPORT);
- break;
- }
- ifr++;
- }
- close(s);
- }
- !Funky!Stuff!
- echo x - pmap_clnt.h
- sed 's/^X//' >pmap_clnt.h <<'!Funky!Stuff!'
- /*
- * 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
- */
- /* @(#)pmap_clnt.h 1.1 84/12/20 SMI */
-
- /*
- * portmap_clnt.h
- * Supplies C routines to get to portmap services.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
- /*
- * Usage:
- * success = pmap_set(program, version, protocol, port);
- * success = pmap_unset(program, version);
- * port = pmap_getport(address, program, version, protocol);
- * head = pmap_getmaps(address);
- * clnt_stat = pmap_rmtcall(address, program, version, procedure,
- * xdrargs, argsp, xdrres, resp, tout, port_ptr)
- * (works for udp only.)
- * clnt_stat = clnt_broadcast(program, version, procedure,
- * xdrargs, argsp, xdrres, resp, eachresult)
- * (like pmap_rmtcall, except the call is broadcasted to all
- * locally connected nets. For each valid response received,
- * the procedure eachresult is called. Its form is:
- * done = eachresult(resp, raddr)
- * bool_t done;
- * caddr_t resp;
- * struct sockaddr_in raddr;
- * where resp points to the results of the call and raddr is the
- * address if the responder to the broadcast.
- */
-
- extern bool_t pmap_set();
- extern bool_t pmap_unset();
- extern u_short pmap_getport();
- extern struct pmaplist *pmap_getmaps();
- enum clnt_stat pmap_rmtcall();
- enum clnt_stat clnt_broadcast();
- !Funky!Stuff!
- echo x - pmap_getmaps.c
- sed 's/^X//' >pmap_getmaps.c <<'!Funky!Stuff!'
- /*
- * 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_getmaps.c 1.2 85/02/08 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * pmap_getmap.c
- * Client interface to pmap rpc service.
- * contains pmap_getmaps, which is only tcp service involved
- *
- * 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 <netdb.h>
- #include <stdio.h>
- #include <errno.h>
- #include <net/if.h>
- #include <sys/ioctl.h>
- #define NAMELEN 255
- #define MAX_BROADCAST_SIZE 1400
-
- extern int errno;
- static struct timeval timeout = { 3, 0 };
- static struct timeval tottimeout = { 24, 0 };
- static struct sockaddr_in myaddress;
-
- /*
- * Get a copy of the current port maps.
- * Calls the pmap service remotely to do get the maps.
- */
- struct pmaplist *
- pmap_getmaps(address)
- struct sockaddr_in *address;
- {
- struct pmaplist *head = (struct pmaplist *)NULL;
- int socket = -1;
- struct timeval minutetimeout;
- register CLIENT *client;
-
- minutetimeout.tv_sec = 60;
- minutetimeout.tv_usec = 0;
- address->sin_port = htons(PMAPPORT);
- client = clnttcp_create(address, PMAPPROG,
- PMAPVERS, &socket, 50, 500);
- if (client != (CLIENT *)NULL) {
- if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist,
- &head, minutetimeout) != RPC_SUCCESS) {
- clnt_perror(client, "pmap_getmaps rpc problem");
- }
- CLNT_DESTROY(client);
- }
- (void)close(socket);
- address->sin_port = 0;
- return (head);
- }
- !Funky!Stuff!
- echo x - pmap_getport.c
- sed 's/^X//' >pmap_getport.c <<'!Funky!Stuff!'
- /*
- * 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_getport.c 1.1 85/02/08 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * pmap_getport.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 };
-
- /*
- * 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_long protocol;
- {
- u_short port = 0;
- int socket = -1;
- register CLIENT *client;
- struct pmap parms;
-
- address->sin_port = htons(PMAPPORT);
- client = clntudp_create(address, PMAPPROG,
- PMAPVERS, timeout, &socket);
- if (client != (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, PMAPPROC_GETPORT, xdr_pmap, &parms,
- 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);
- }
- (void)close(socket);
- address->sin_port = 0;
- return (port);
- }
- !Funky!Stuff!
- echo x - pmap_prot.c
- sed 's/^X//' >pmap_prot.c <<'!Funky!Stuff!'
- /*
- * 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_prot.c 1.2 85/02/08 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * pmap_prot.c
- * Protocol for the local binder service, or pmap.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
- #include "types.h"
- #include "xdr.h"
- #include "pmap_prot.h"
-
- #define NULL ((struct pmaplist *)0)
-
- bool_t
- xdr_pmap(xdrs, regs)
- XDR *xdrs;
- struct pmap *regs;
- {
-
- if (xdr_u_long(xdrs, ®s->pm_prog) &&
- xdr_u_long(xdrs, ®s->pm_vers) &&
- xdr_u_long(xdrs, ®s->pm_prot))
- return (xdr_u_long(xdrs, ®s->pm_port));
- return (FALSE);
- }
-
- /*
- * What is going on with linked lists? (!)
- * First recall the link list declaration from pmap_prot.h:
- *
- * struct pmaplist {
- * struct pmap pml_map;
- * struct pmaplist *pml_map;
- * };
- *
- * Compare that declaration with a corresponding xdr declaration that
- * is (a) pointer-less, and (b) recursive:
- *
- * typedef union switch (bool_t) {
- *
- * case TRUE: struct {
- * struct pmap;
- * pmaplist_t foo;
- * };
- *
- * case FALSE: struct {};
- * } pmaplist_t;
- *
- * Notice that the xdr declaration has no nxt pointer while
- * the C declaration has no bool_t variable. The bool_t can be
- * interpreted as ``more data follows me''; if FALSE then nothing
- * follows this bool_t; if TRUE then the bool_t is followed by
- * an actual struct pmap, and then (recursively) by the
- * xdr union, pamplist_t.
- *
- * This could be implemented via the xdr_union primitive, though this
- * would cause a one recursive call per element in the list. Rather than do
- * that we can ``unwind'' the recursion
- * into a while loop and do the union arms in-place.
- *
- * The head of the list is what the C programmer wishes to past around
- * the net, yet is the data that the pointer points to which is interesting;
- * this sounds like a job for xdr_reference!
- */
- bool_t
- xdr_pmaplist(xdrs, rp)
- register XDR *xdrs;
- register struct pmaplist **rp;
- {
- /*
- * more_elements is pre-computed in case the direction is
- * XDR_ENCODE or XDR_FREE. more_elements is overwritten by
- * xdr_bool when the direction is XDR_DECODE.
- */
- bool_t more_elements;
- register int freeing = (xdrs->x_op == XDR_FREE);
- register struct pmaplist **next;
-
- while (TRUE) {
- more_elements = (bool_t)(*rp != NULL);
- if (! xdr_bool(xdrs, &more_elements))
- return (FALSE);
- if (! more_elements)
- return (TRUE); /* we are done */
- /*
- * the unfortunate side effect of non-recursion is that in
- * the case of freeing we must remember the next object
- * before we free the current object ...
- */
- if (freeing)
- next = &((*rp)->pml_next);
- if (! xdr_reference(xdrs, (caddr_t *)rp,
- (u_int)sizeof(struct pmaplist), xdr_pmap))
- return (FALSE);
- rp = (freeing) ? next : &((*rp)->pml_next);
- }
- }
- !Funky!Stuff!
- echo x - pmap_prot.h
- sed 's/^X//' >pmap_prot.h <<'!Funky!Stuff!'
- /*
- * 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
- */
- /* @(#)pmap_prot.h 1.1 84/12/20 SMI */
-
- /*
- * pmap_prot.h
- * Protocol for the local binder service, or pmap.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * The following procedures are supported by the protocol:
- *
- * PMAPPROC_NULL() returns ()
- * takes nothing, returns nothing
- *
- * PMAPPROC_SET(struct pmap) returns (bool_t)
- * TRUE is success, FALSE is failure. Registers the tuple
- * [prog, vers, prot, port].
- *
- * PMAPPROC_UNSET(struct pmap) returns (bool_t)
- * TRUE is success, FALSE is failure. Un-registers pair
- * [prog, vers]. prot and port are ignored.
- *
- * PMAPPROC_GETPORT(struct pmap) returns (long unsigned).
- * 0 is failure. Otherwise returns the port number where the pair
- * [prog, vers] is registered. It may lie!
- *
- * PMAPPROC_DUMP() RETURNS (struct pmaplist *)
- *
- * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>)
- * RETURNS (port, string<>);
- * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs);
- * Calls the procedure on the local machine. If it is not registered,
- * this procedure is quite; ie it does not return error information!!!
- * This procedure only is supported on rpc/udp and calls via
- * rpc/udp. This routine only passes null authentication parameters.
- * This file has no interface to xdr routines for PMAPPROC_CALLIT.
- *
- * The service supports remote procedure calls on udp/ip or tcp/ip socket 111.
- */
-
- #define PMAPPORT ((u_short)111)
- #define PMAPPROG ((u_long)100000)
- #define PMAPVERS ((u_long)2)
- #define PMAPVERS_PROTO ((u_long)2)
- #define PMAPVERS_ORIG ((u_long)1)
- #define PMAPPROC_NULL ((u_long)0)
- #define PMAPPROC_SET ((u_long)1)
- #define PMAPPROC_UNSET ((u_long)2)
- #define PMAPPROC_GETPORT ((u_long)3)
- #define PMAPPROC_DUMP ((u_long)4)
- #define PMAPPROC_CALLIT ((u_long)5)
-
- struct pmap {
- long unsigned pm_prog;
- long unsigned pm_vers;
- long unsigned pm_prot;
- long unsigned pm_port;
- };
-
- extern bool_t xdr_pmap();
-
- struct pmaplist {
- struct pmap pml_map;
- struct pmaplist *pml_next;
- };
-
- extern bool_t xdr_pmaplist();
- !Funky!Stuff!
- echo x - pmap_rmt.c
- sed 's/^X//' >pmap_rmt.c <<'!Funky!Stuff!'
- /*
- * 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_rmt.c 1.4 85/03/17 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * pmap_rmt.c
- * Client interface to pmap rpc service.
- * remote call and broadcast 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 <errno.h>
- #include <net/if.h>
- #include <sys/ioctl.h>
- #include <arpa/inet.h>
- #define MAX_BROADCAST_SIZE 1400
-
- extern int errno;
- static struct timeval timeout = { 3, 0 };
-
- /*
- * Structures and XDR routines for parameters to and replys from
- * the pmapper remote-call-service.
- */
-
- struct rmtcallargs {
- u_long prog, vers, proc, arglen;
- caddr_t args_ptr;
- xdrproc_t xdr_args;
- };
- static bool_t xdr_rmtcall_args();
-
- struct rmtcallres {
- u_long *port_ptr;
- u_long resultslen;
- caddr_t results_ptr;
- xdrproc_t xdr_results;
- };
- static bool_t xdr_rmtcallres();
-
- /*
- * pmapper remote-call-service interface.
- * This routine is used to call the pmapper remote call service
- * which will look up a service program in the port maps, and then
- * remotely call that routine with the given parameters. This allows
- * programs to do a lookup and call in one step.
- */
- enum clnt_stat
- pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, port_ptr)
- struct sockaddr_in *addr;
- u_long prog, vers, proc;
- xdrproc_t xdrargs, xdrres;
- caddr_t argsp, resp;
- struct timeval tout;
- u_long *port_ptr;
- {
- int socket = -1;
- register CLIENT *client;
- struct rmtcallargs a;
- struct rmtcallres r;
- enum clnt_stat stat;
-
- addr->sin_port = htons(PMAPPORT);
- client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &socket);
- if (client != (CLIENT *)NULL) {
- a.prog = prog;
- a.vers = vers;
- a.proc = proc;
- a.args_ptr = argsp;
- a.xdr_args = xdrargs;
- r.port_ptr = port_ptr;
- r.results_ptr = resp;
- r.xdr_results = xdrres;
- stat = CLNT_CALL(client, PMAPPROC_CALLIT, xdr_rmtcall_args, &a,
- xdr_rmtcallres, &r, tout);
- CLNT_DESTROY(client);
- } else {
- stat = RPC_FAILED;
- }
- (void)close(socket);
- addr->sin_port = 0;
- return (stat);
- }
-
- /*
- * XDR remote call arguments
- * written for XDR_ENCODE direction only
- */
- static bool_t
- xdr_rmtcall_args(xdrs, cap)
- register XDR *xdrs;
- register struct rmtcallargs *cap;
- {
- u_int lenposition, argposition, position;
-
- if (xdr_u_long(xdrs, &(cap->prog)) &&
- xdr_u_long(xdrs, &(cap->vers)) &&
- xdr_u_long(xdrs, &(cap->proc))) {
- lenposition = XDR_GETPOS(xdrs);
- if (! xdr_u_long(xdrs, &(cap->arglen)))
- return (FALSE);
- argposition = XDR_GETPOS(xdrs);
- if (! (*(cap->xdr_args))(xdrs, cap->args_ptr))
- return (FALSE);
- position = XDR_GETPOS(xdrs);
- cap->arglen = (u_long)position - (u_long)argposition;
- XDR_SETPOS(xdrs, lenposition);
- if (! xdr_u_long(xdrs, &(cap->arglen)))
- return (FALSE);
- XDR_SETPOS(xdrs, position);
- return (TRUE);
- }
- return (FALSE);
- }
-
- /*
- * XDR remote call results
- * written for XDR_DECODE direction only
- */
- static bool_t
- xdr_rmtcallres(xdrs, crp)
- register XDR *xdrs;
- register struct rmtcallres *crp;
- {
-
- if (xdr_reference(xdrs, &crp->port_ptr, sizeof (u_long), xdr_u_long) &&
- xdr_u_long(xdrs, &crp->resultslen))
- return ((*(crp->xdr_results))(xdrs, crp->results_ptr));
- return (FALSE);
- }
-
- /*
- * The following is kludged-up support for simple rpc broadcasts.
- * Someday a large, complicated system will replace these trivial
- * routines which only support udp/ip .
- */
-
- static int
- getbroadcastnets(addrs, sock, buf)
- struct in_addr *addrs;
- int sock; /* any valid socket will do */
- char *buf; /* why allocxate more when we can use existing... */
- {
- struct ifconf ifc;
- struct ifreq ifreq, *ifr;
- struct sockaddr_in *sin;
- int n, i;
-
- ifc.ifc_len = MAX_BROADCAST_SIZE;
- ifc.ifc_buf = buf;
- if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) {
- perror("broadcast: ioctl (get interface configuration)");
- return (0);
- }
- ifr = ifc.ifc_req;
- for (i = 0, n = ifc.ifc_len/sizeof (struct ifreq); n > 0; n--, ifr++) {
- ifreq = *ifr;
- if (ioctl(sock, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
- perror("broadcast: ioctl (get interface flags)");
- continue;
- }
- if (ifreq.ifr_flags & IFF_BROADCAST) {
- sin = (struct sockaddr_in *)&ifr->ifr_addr;
- addrs[i++] = inet_makeaddr(inet_netof
- (sin->sin_addr.s_addr), INADDR_ANY);
- }
- }
- return (i);
- }
-
- typedef bool_t (*resultproc_t)();
-
- enum clnt_stat
- clnt_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, eachresult)
- u_long prog; /* program number */
- u_long vers; /* version number */
- u_long proc; /* procedure number */
- xdrproc_t xargs; /* xdr routine for args */
- caddr_t argsp; /* pointer to args */
- xdrproc_t xresults; /* xdr routine for results */
- caddr_t resultsp; /* pointer to results */
- resultproc_t eachresult; /* call with each result obtained */
- {
- enum clnt_stat stat;
- AUTH *unix_auth = authunix_create_default();
- XDR xdr_stream;
- register XDR *xdrs = &xdr_stream;
- int outlen, inlen, fromlen, readfds, nets;
- register int sock, mask, i;
- bool_t done = FALSE;
- register u_long xid;
- u_long port;
- struct in_addr addrs[20];
- struct sockaddr_in baddr, raddr; /* broadcast and response addresses */
- struct rmtcallargs a;
- struct rmtcallres r;
- struct rpc_msg msg;
- struct timeval t;
- char outbuf[MAX_BROADCAST_SIZE], inbuf[MAX_BROADCAST_SIZE];
-
- /*
- * initialization: create a socket, a broadcast address, and
- * preserialize the arguments into a send buffer.
- */
- if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
- perror("Cannot create socket for broadcast rpc");
- stat = RPC_CANTSEND;
- goto done_broad;
- }
- mask = (1 << sock);
- nets = getbroadcastnets(addrs, sock, inbuf);
- bzero(&baddr, sizeof (baddr));
- baddr.sin_family = AF_INET;
- baddr.sin_port = htons(PMAPPORT);
- baddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
- (void)gettimeofday(&t, (struct timezone *)0);
- msg.rm_xid = xid = getpid() ^ t.tv_sec ^ t.tv_usec;
- t.tv_usec = 0;
- msg.rm_direction = CALL;
- msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
- msg.rm_call.cb_prog = PMAPPROG;
- msg.rm_call.cb_vers = PMAPVERS;
- msg.rm_call.cb_proc = PMAPPROC_CALLIT;
- msg.rm_call.cb_cred = unix_auth->ah_cred;
- msg.rm_call.cb_verf = unix_auth->ah_verf;
- a.prog = prog;
- a.vers = vers;
- a.proc = proc;
- a.xdr_args = xargs;
- a.args_ptr = argsp;
- r.port_ptr = &port;
- r.xdr_results = xresults;
- r.results_ptr = resultsp;
- xdrmem_create(xdrs, outbuf, MAX_BROADCAST_SIZE, XDR_ENCODE);
- if ((! xdr_callmsg(xdrs, &msg)) || (! xdr_rmtcall_args(xdrs, &a))) {
- stat = RPC_CANTENCODEARGS;
- goto done_broad;
- }
- outlen = (int)xdr_getpos(xdrs);
- xdr_destroy(xdrs);
- /*
- * Basic loop: broadcast a packet and wait a while for response(s).
- * The response timeout grows larger per iteration.
- */
- for (t.tv_sec = 2; t.tv_sec <= 6; t.tv_sec += 2) {
- for (i = 0; i < nets; i++) {
- baddr.sin_addr = addrs[i];
- if (sendto(sock, outbuf, outlen, 0,
- (struct socketaddr *)&baddr,
- sizeof (struct sockaddr)) != outlen) {
- perror("Cannot send broadcast packet");
- stat = RPC_CANTSEND;
- goto done_broad;
- }
- }
- recv_again:
- msg.acpted_rply.ar_verf = _null_auth;
- msg.acpted_rply.ar_results.where = (caddr_t)&r;
- msg.acpted_rply.ar_results.proc = xdr_rmtcallres;
- readfds = mask;
- switch (select(32, &readfds, (int *)NULL, (int *)NULL, &t)) {
-
- case 0: /* timed out */
- stat = RPC_TIMEDOUT;
- continue;
-
- case -1: /* some kind of error */
- if (errno == EINTR)
- goto recv_again;
- perror("Broadcast select problem");
- stat = RPC_CANTRECV;
- goto done_broad;
-
- } /* end of select results switch */
- if ((readfds & mask) == 0)
- goto recv_again;
- try_again:
- fromlen = sizeof(struct sockaddr);
- inlen = recvfrom(sock, inbuf, MAX_BROADCAST_SIZE, 0,
- (struct sockaddr *)&raddr, &fromlen);
- if (inlen < 0) {
- if (errno == EINTR)
- goto try_again;
- perror("Cannot receive reply to broadcast");
- stat = RPC_CANTRECV;
- goto done_broad;
- }
- if (inlen < sizeof(u_long))
- goto recv_again;
- /*
- * see if reply transaction id matches sent id.
- * If so, decode the results.
- */
- xdrmem_create(xdrs, inbuf, inlen, XDR_DECODE);
- if (xdr_replymsg(xdrs, &msg)) {
- if ((msg.rm_xid == xid) &&
- (msg.rm_reply.rp_stat == MSG_ACCEPTED) &&
- (msg.acpted_rply.ar_stat == SUCCESS)) {
- raddr.sin_port = htons((u_short)port);
- done = (*eachresult)(resultsp, &raddr);
- }
- /* otherwise, we just ignore the errors ... */
- } else {
- /* some kind of deserialization problem ... */
- if (msg.rm_xid == xid)
- fprintf(stderr, "Broadcast deserialization problem");
- /* otherwise, just random garbage */
- }
- xdrs->x_op = XDR_FREE;
- msg.acpted_rply.ar_results.proc = xdr_void;
- (void)xdr_replymsg(xdrs, &msg);
- (void)(*xresults)(xdrs, resultsp);
- xdr_destroy(xdrs);
- if (done) {
- stat = RPC_SUCCESS;
- goto done_broad;
- } else {
- goto recv_again;
- }
- }
- done_broad:
- (void)close(sock);
- AUTH_DESTROY(unix_auth);
- return (stat);
- }
- !Funky!Stuff!
-
- exit
-