diff options
Diffstat (limited to 'usr.sbin/rpcbind/pmap_svc.c')
| -rw-r--r-- | usr.sbin/rpcbind/pmap_svc.c | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/usr.sbin/rpcbind/pmap_svc.c b/usr.sbin/rpcbind/pmap_svc.c deleted file mode 100644 index 5df3097..0000000 --- a/usr.sbin/rpcbind/pmap_svc.c +++ /dev/null @@ -1,368 +0,0 @@ -/* $NetBSD: pmap_svc.c,v 1.2 2000/10/20 11:49:40 fvdl Exp $ */ -/* $FreeBSD$ */ - -/* - * 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 - */ -/* - * Copyright (c) 1984 - 1991 by Sun Microsystems, Inc. - */ - -/* #ident "@(#)pmap_svc.c 1.14 93/07/05 SMI" */ - -#if 0 -#ifndef lint -static char sccsid[] = "@(#)pmap_svc.c 1.23 89/04/05 Copyr 1984 Sun Micro"; -#endif -#endif - -/* - * pmap_svc.c - * The server procedure for the version 2 portmaper. - * All the portmapper related interface from the portmap side. - */ - -#ifdef PORTMAP -#include <sys/types.h> -#include <sys/socket.h> -#include <stdio.h> -#include <rpc/rpc.h> -#include <rpc/pmap_prot.h> -#include <rpc/rpcb_prot.h> -#ifdef RPCBIND_DEBUG -#include <stdlib.h> -#endif -#include "rpcbind.h" - -static struct pmaplist *find_service_pmap(rpcprog_t, rpcvers_t, - rpcprot_t); -static bool_t pmapproc_change(struct svc_req *, SVCXPRT *, u_long); -static bool_t pmapproc_getport(struct svc_req *, SVCXPRT *); -static bool_t pmapproc_dump(struct svc_req *, SVCXPRT *); - -/* - * Called for all the version 2 inquiries. - */ -void -pmap_service(struct svc_req *rqstp, SVCXPRT *xprt) -{ - rpcbs_procinfo(RPCBVERS_2_STAT, rqstp->rq_proc); - switch (rqstp->rq_proc) { - case PMAPPROC_NULL: - /* - * Null proc call - */ -#ifdef RPCBIND_DEBUG - if (debugging) - fprintf(stderr, "PMAPPROC_NULL\n"); -#endif - check_access(xprt, rqstp->rq_proc, NULL, PMAPVERS); - if ((!svc_sendreply(xprt, (xdrproc_t) xdr_void, NULL)) && - debugging) { - if (doabort) { - rpcbind_abort(); - } - } - break; - - case PMAPPROC_SET: - /* - * Set a program, version to port mapping - */ - pmapproc_change(rqstp, xprt, rqstp->rq_proc); - break; - - case PMAPPROC_UNSET: - /* - * Remove a program, version to port mapping. - */ - pmapproc_change(rqstp, xprt, rqstp->rq_proc); - break; - - case PMAPPROC_GETPORT: - /* - * Lookup the mapping for a program, version and return its - * port number. - */ - pmapproc_getport(rqstp, xprt); - break; - - case PMAPPROC_DUMP: - /* - * Return the current set of mapped program, version - */ -#ifdef RPCBIND_DEBUG - if (debugging) - fprintf(stderr, "PMAPPROC_DUMP\n"); -#endif - pmapproc_dump(rqstp, xprt); - break; - - case PMAPPROC_CALLIT: - /* - * Calls a procedure on the local machine. If the requested - * procedure is not registered this procedure does not return - * error information!! - * This procedure is only supported on rpc/udp and calls via - * rpc/udp. It passes null authentication parameters. - */ - rpcbproc_callit_com(rqstp, xprt, PMAPPROC_CALLIT, PMAPVERS); - break; - - default: - svcerr_noproc(xprt); - break; - } -} - -/* - * returns the item with the given program, version number. If that version - * number is not found, it returns the item with that program number, so that - * the port number is now returned to the caller. The caller when makes a - * call to this program, version number, the call will fail and it will - * return with PROGVERS_MISMATCH. The user can then determine the highest - * and the lowest version number for this program using clnt_geterr() and - * use those program version numbers. - */ -static struct pmaplist * -find_service_pmap(rpcprog_t prog, rpcvers_t vers, rpcprot_t prot) -{ - register struct pmaplist *hit = NULL; - register struct pmaplist *pml; - - for (pml = list_pml; pml != NULL; pml = pml->pml_next) { - if ((pml->pml_map.pm_prog != prog) || - (pml->pml_map.pm_prot != prot)) - continue; - hit = pml; - if (pml->pml_map.pm_vers == vers) - break; - } - return (hit); -} - -static bool_t -pmapproc_change(struct svc_req *rqstp __unused, SVCXPRT *xprt, unsigned long op) -{ - struct pmap reg; - RPCB rpcbreg; - long ans; - struct sockaddr_in *who; - uid_t uid; - char uidbuf[32]; - -#ifdef RPCBIND_DEBUG - if (debugging) - fprintf(stderr, "%s request for (%lu, %lu) : ", - op == PMAPPROC_SET ? "PMAP_SET" : "PMAP_UNSET", - reg.pm_prog, reg.pm_vers); -#endif - - if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (char *)®)) { - svcerr_decode(xprt); - return (FALSE); - } - - if (!check_access(xprt, op, ®, PMAPVERS)) { - svcerr_weakauth(xprt); - return FALSE; - } - - who = svc_getcaller(xprt); - - /* - * Can't use getpwnam here. We might end up calling ourselves - * and looping. - */ - if (__rpc_get_local_uid(xprt, &uid) < 0) - rpcbreg.r_owner = "unknown"; - else if (uid == 0) - rpcbreg.r_owner = "superuser"; - else { - /* r_owner will be strdup-ed later */ - snprintf(uidbuf, sizeof uidbuf, "%d", uid); - rpcbreg.r_owner = uidbuf; - } - - rpcbreg.r_prog = reg.pm_prog; - rpcbreg.r_vers = reg.pm_vers; - - if (op == PMAPPROC_SET) { - char buf[32]; - - snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", - (int)((reg.pm_port >> 8) & 0xff), - (int)(reg.pm_port & 0xff)); - rpcbreg.r_addr = buf; - if (reg.pm_prot == IPPROTO_UDP) { - rpcbreg.r_netid = udptrans; - } else if (reg.pm_prot == IPPROTO_TCP) { - rpcbreg.r_netid = tcptrans; - } else { - ans = FALSE; - goto done_change; - } - ans = map_set(&rpcbreg, rpcbreg.r_owner); - } else if (op == PMAPPROC_UNSET) { - bool_t ans1, ans2; - - rpcbreg.r_addr = NULL; - rpcbreg.r_netid = tcptrans; - ans1 = map_unset(&rpcbreg, rpcbreg.r_owner); - rpcbreg.r_netid = udptrans; - ans2 = map_unset(&rpcbreg, rpcbreg.r_owner); - ans = ans1 || ans2; - } else { - ans = FALSE; - } -done_change: - if ((!svc_sendreply(xprt, (xdrproc_t) xdr_long, (caddr_t) &ans)) && - debugging) { - fprintf(stderr, "portmap: svc_sendreply\n"); - if (doabort) { - rpcbind_abort(); - } - } -#ifdef RPCBIND_DEBUG - if (debugging) - fprintf(stderr, "%s\n", ans == TRUE ? "succeeded" : "failed"); -#endif - if (op == PMAPPROC_SET) - rpcbs_set(RPCBVERS_2_STAT, ans); - else - rpcbs_unset(RPCBVERS_2_STAT, ans); - return (TRUE); -} - -/* ARGSUSED */ -static bool_t -pmapproc_getport(struct svc_req *rqstp __unused, SVCXPRT *xprt) -{ - struct pmap reg; - long lport; - int port = 0; - struct pmaplist *fnd; -#ifdef RPCBIND_DEBUG - char *uaddr; -#endif - - if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (char *)®)) { - svcerr_decode(xprt); - return (FALSE); - } - - if (!check_access(xprt, PMAPPROC_GETPORT, ®, PMAPVERS)) { - svcerr_weakauth(xprt); - return FALSE; - } - -#ifdef RPCBIND_DEBUG - if (debugging) { - uaddr = taddr2uaddr(rpcbind_get_conf(xprt->xp_netid), - svc_getrpccaller(xprt)); - fprintf(stderr, "PMAP_GETPORT req for (%lu, %lu, %s) from %s :", - reg.pm_prog, reg.pm_vers, - reg.pm_prot == IPPROTO_UDP ? "udp" : "tcp", uaddr); - free(uaddr); - } -#endif - fnd = find_service_pmap(reg.pm_prog, reg.pm_vers, reg.pm_prot); - if (fnd) { - char serveuaddr[32], *ua; - int h1, h2, h3, h4, p1, p2; - char *netid; - - if (reg.pm_prot == IPPROTO_UDP) { - ua = udp_uaddr; - netid = udptrans; - } else { - ua = tcp_uaddr; /* To get the len */ - netid = tcptrans; - } - if (ua == NULL) { - goto sendreply; - } - if (sscanf(ua, "%d.%d.%d.%d.%d.%d", &h1, &h2, &h3, - &h4, &p1, &p2) == 6) { - p1 = (fnd->pml_map.pm_port >> 8) & 0xff; - p2 = (fnd->pml_map.pm_port) & 0xff; - snprintf(serveuaddr, sizeof serveuaddr, - "%d.%d.%d.%d.%d.%d", h1, h2, h3, h4, p1, p2); - if (is_bound(netid, serveuaddr)) { - port = fnd->pml_map.pm_port; - } else { /* this service is dead; delete it */ - delete_prog(reg.pm_prog); - } - } - } -sendreply: - lport = port; - if ((!svc_sendreply(xprt, (xdrproc_t) xdr_long, (caddr_t)&lport)) && - debugging) { - (void) fprintf(stderr, "portmap: svc_sendreply\n"); - if (doabort) { - rpcbind_abort(); - } - } -#ifdef RPCBIND_DEBUG - if (debugging) - fprintf(stderr, "port = %d\n", port); -#endif - rpcbs_getaddr(RPCBVERS_2_STAT, reg.pm_prog, reg.pm_vers, - reg.pm_prot == IPPROTO_UDP ? udptrans : tcptrans, - port ? udptrans : ""); - - return (TRUE); -} - -/* ARGSUSED */ -static bool_t -pmapproc_dump(struct svc_req *rqstp __unused, SVCXPRT *xprt) -{ - if (!svc_getargs(xprt, (xdrproc_t)xdr_void, NULL)) { - svcerr_decode(xprt); - return (FALSE); - } - - if (!check_access(xprt, PMAPPROC_DUMP, NULL, PMAPVERS)) { - svcerr_weakauth(xprt); - return FALSE; - } - - if ((!svc_sendreply(xprt, (xdrproc_t) xdr_pmaplist_ptr, - (caddr_t)&list_pml)) && debugging) { - if (debugging) - (void) fprintf(stderr, "portmap: svc_sendreply\n"); - if (doabort) { - rpcbind_abort(); - } - } - return (TRUE); -} - -#endif /* PORTMAP */ |
