mirror of
https://sourceware.org/git/glibc.git
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cb636bb255
This reverts commit ab09b22159.
The lawyers now say the copy in glibc isn't contained in the
agreement.
169 lines
4.5 KiB
C
169 lines
4.5 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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/*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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/*
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* pmap_clnt.c
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* Client interface to pmap rpc service.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <libintl.h>
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#include <net/if.h>
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#include <ifaddrs.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_prot.h>
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#include <rpc/pmap_clnt.h>
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/*
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* Same as get_myaddress, but we try to use the loopback
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* interface. portmap caches interfaces, and on DHCP clients,
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* it could be that only loopback is started at this time.
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*/
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static bool_t
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__get_myaddress (struct sockaddr_in *addr)
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{
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struct ifaddrs *ifa;
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if (getifaddrs (&ifa) != 0)
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{
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perror ("get_myaddress: getifaddrs");
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exit (1);
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}
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int loopback = 1;
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struct ifaddrs *run;
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again:
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run = ifa;
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while (run != NULL)
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{
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if ((run->ifa_flags & IFF_UP)
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&& run->ifa_addr != NULL
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&& run->ifa_addr->sa_family == AF_INET
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&& ((run->ifa_flags & IFF_LOOPBACK) || loopback == 0))
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{
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*addr = *((struct sockaddr_in *) run->ifa_addr);
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addr->sin_port = htons (PMAPPORT);
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goto out;
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}
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run = run->ifa_next;
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}
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if (loopback == 1)
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{
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loopback = 0;
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goto again;
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}
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out:
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freeifaddrs (ifa);
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return run == NULL ? FALSE : TRUE;
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}
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static const struct timeval timeout = {5, 0};
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static const struct timeval tottimeout = {60, 0};
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/*
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* Set a mapping between program,version and port.
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* Calls the pmap service remotely to do the mapping.
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*/
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bool_t
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pmap_set (u_long program, u_long version, int protocol, u_short port)
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{
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struct sockaddr_in myaddress;
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int socket = -1;
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CLIENT *client;
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struct pmap parms;
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bool_t rslt;
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if (!__get_myaddress (&myaddress))
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return FALSE;
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client = INTUSE(clntudp_bufcreate) (&myaddress, PMAPPROG, PMAPVERS,
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timeout, &socket, RPCSMALLMSGSIZE,
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RPCSMALLMSGSIZE);
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if (client == (CLIENT *) NULL)
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return (FALSE);
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parms.pm_prog = program;
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parms.pm_vers = version;
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parms.pm_prot = protocol;
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parms.pm_port = port;
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if (CLNT_CALL (client, PMAPPROC_SET, (xdrproc_t)INTUSE(xdr_pmap),
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(caddr_t)&parms, (xdrproc_t)INTUSE(xdr_bool), (caddr_t)&rslt,
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tottimeout) != RPC_SUCCESS)
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{
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clnt_perror (client, _("Cannot register service"));
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rslt = FALSE;
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}
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CLNT_DESTROY (client);
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/* (void)close(socket); CLNT_DESTROY closes it */
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return rslt;
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}
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libc_hidden_def (pmap_set)
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/*
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* Remove the mapping between program,version and port.
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* Calls the pmap service remotely to do the un-mapping.
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*/
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bool_t
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pmap_unset (u_long program, u_long version)
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{
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struct sockaddr_in myaddress;
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int socket = -1;
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CLIENT *client;
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struct pmap parms;
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bool_t rslt;
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if (!__get_myaddress (&myaddress))
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return FALSE;
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client = INTUSE(clntudp_bufcreate) (&myaddress, PMAPPROG, PMAPVERS,
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timeout, &socket, RPCSMALLMSGSIZE,
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RPCSMALLMSGSIZE);
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if (client == (CLIENT *) NULL)
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return FALSE;
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parms.pm_prog = program;
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parms.pm_vers = version;
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parms.pm_port = parms.pm_prot = 0;
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CLNT_CALL (client, PMAPPROC_UNSET, (xdrproc_t)INTUSE(xdr_pmap),
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(caddr_t)&parms, (xdrproc_t)INTUSE(xdr_bool), (caddr_t)&rslt,
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tottimeout);
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CLNT_DESTROY (client);
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/* (void)close(socket); CLNT_DESTROY already closed it */
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return rslt;
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}
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libc_hidden_def (pmap_unset)
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