diff options
Diffstat (limited to 'usr.sbin/rpcbind/rpcb_svc.c')
| -rw-r--r-- | usr.sbin/rpcbind/rpcb_svc.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/usr.sbin/rpcbind/rpcb_svc.c b/usr.sbin/rpcbind/rpcb_svc.c new file mode 100644 index 0000000..7aa5393 --- /dev/null +++ b/usr.sbin/rpcbind/rpcb_svc.c @@ -0,0 +1,232 @@ +/* $NetBSD: rpcb_svc.c,v 1.1 2000/06/02 23:15:41 fvdl Exp $ */ +/* $FreeBSD$ */ + +/*- + * Copyright (c) 2009, Sun Microsystems, 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 Sun Microsystems, 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. + */ +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* #ident "@(#)rpcb_svc.c 1.16 93/07/05 SMI" */ + +/* + * rpcb_svc.c + * The server procedure for the version 3 rpcbind (TLI). + * + * It maintains a separate list of all the registered services with the + * version 3 of rpcbind. + */ +#include <sys/types.h> +#include <rpc/rpc.h> +#include <rpc/rpcb_prot.h> +#include <netconfig.h> +#include <syslog.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "rpcbind.h" + +static void *rpcbproc_getaddr_3_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); +static void *rpcbproc_dump_3_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); + +/* + * Called by svc_getreqset. There is a separate server handle for + * every transport that it waits on. + */ +void +rpcb_service_3(struct svc_req *rqstp, SVCXPRT *transp) +{ + union { + RPCB rpcbproc_set_3_arg; + RPCB rpcbproc_unset_3_arg; + RPCB rpcbproc_getaddr_3_local_arg; + struct rpcb_rmtcallargs rpcbproc_callit_3_arg; + char *rpcbproc_uaddr2taddr_3_arg; + struct netbuf rpcbproc_taddr2uaddr_3_arg; + } argument; + char *result; + xdrproc_t xdr_argument, xdr_result; + void *(*local)(void *, struct svc_req *, SVCXPRT *, rpcvers_t); + + rpcbs_procinfo(RPCBVERS_3_STAT, rqstp->rq_proc); + + switch (rqstp->rq_proc) { + case NULLPROC: + /* + * Null proc call + */ +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_NULL\n"); +#endif + /* This call just logs, no actual checks */ + check_access(transp, rqstp->rq_proc, NULL, RPCBVERS); + (void) svc_sendreply(transp, (xdrproc_t)xdr_void, (char *)NULL); + return; + + case RPCBPROC_SET: + xdr_argument = (xdrproc_t )xdr_rpcb; + xdr_result = (xdrproc_t )xdr_bool; + local = rpcbproc_set_com; + break; + + case RPCBPROC_UNSET: + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_bool; + local = rpcbproc_unset_com; + break; + + case RPCBPROC_GETADDR: + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_wrapstring; + local = rpcbproc_getaddr_3_local; + break; + + case RPCBPROC_DUMP: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_DUMP\n"); +#endif + xdr_argument = (xdrproc_t)xdr_void; + xdr_result = (xdrproc_t)xdr_rpcblist_ptr; + local = rpcbproc_dump_3_local; + break; + + case RPCBPROC_CALLIT: + rpcbproc_callit_com(rqstp, transp, rqstp->rq_proc, RPCBVERS); + return; + + case RPCBPROC_GETTIME: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_GETTIME\n"); +#endif + xdr_argument = (xdrproc_t)xdr_void; + xdr_result = (xdrproc_t)xdr_u_long; + local = rpcbproc_gettime_com; + break; + + case RPCBPROC_UADDR2TADDR: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_UADDR2TADDR\n"); +#endif + xdr_argument = (xdrproc_t)xdr_wrapstring; + xdr_result = (xdrproc_t)xdr_netbuf; + local = rpcbproc_uaddr2taddr_com; + break; + + case RPCBPROC_TADDR2UADDR: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_TADDR2UADDR\n"); +#endif + xdr_argument = (xdrproc_t)xdr_netbuf; + xdr_result = (xdrproc_t)xdr_wrapstring; + local = rpcbproc_taddr2uaddr_com; + break; + + default: + svcerr_noproc(transp); + return; + } + (void) memset((char *)&argument, 0, sizeof (argument)); + if (!svc_getargs(transp, (xdrproc_t) xdr_argument, + (char *) &argument)) { + svcerr_decode(transp); + if (debugging) + (void) fprintf(stderr, "rpcbind: could not decode\n"); + return; + } + if (!check_access(transp, rqstp->rq_proc, &argument, RPCBVERS)) { + svcerr_weakauth(transp); + goto done; + } + result = (*local)(&argument, rqstp, transp, RPCBVERS); + if (result != NULL && !svc_sendreply(transp, (xdrproc_t)xdr_result, + result)) { + svcerr_systemerr(transp); + if (debugging) { + (void) fprintf(stderr, "rpcbind: svc_sendreply\n"); + if (doabort) { + rpcbind_abort(); + } + } + } +done: + if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (char *) + &argument)) { + if (debugging) { + (void) fprintf(stderr, "unable to free arguments\n"); + if (doabort) { + rpcbind_abort(); + } + } + } +} + +/* + * Lookup the mapping for a program, version and return its + * address. Assuming that the caller wants the address of the + * server running on the transport on which the request came. + * + * We also try to resolve the universal address in terms of + * address of the caller. + */ +/* ARGSUSED */ +static void * +rpcbproc_getaddr_3_local(void *arg, struct svc_req *rqstp __unused, + SVCXPRT *transp __unused, rpcvers_t versnum __unused) +{ + RPCB *regp = (RPCB *)arg; +#ifdef RPCBIND_DEBUG + if (debugging) { + char *uaddr; + + uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid), + svc_getrpccaller(transp)); + fprintf(stderr, "RPCB_GETADDR req for (%lu, %lu, %s) from %s: ", + (unsigned long)regp->r_prog, (unsigned long)regp->r_vers, + regp->r_netid, uaddr); + free(uaddr); + } +#endif + return (rpcbproc_getaddr_com(regp, rqstp, transp, RPCBVERS, + RPCB_ALLVERS)); +} + +/* ARGSUSED */ +static void * +rpcbproc_dump_3_local(void *arg __unused, struct svc_req *rqstp __unused, + SVCXPRT *transp __unused, rpcvers_t versnum __unused) +{ + return ((void *)&list_rbl); +} |
