Blob Blame History Raw
diff --git a/src/pmap_svc.c b/src/pmap_svc.c
index 4c744fe..a53dd5f 100644
--- a/src/pmap_svc.c
+++ b/src/pmap_svc.c
@@ -175,6 +175,7 @@ pmapproc_change(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt, unsigned long
 	long ans;
 	uid_t uid;
 	char uidbuf[32];
+	int rc = TRUE;
 
 	/*
 	 * Can't use getpwnam here. We might end up calling ourselves
@@ -194,7 +195,8 @@ pmapproc_change(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt, unsigned long
 
 	if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (char *)&reg)) {
 		svcerr_decode(xprt);
-		return (FALSE);
+		rc = FALSE;
+		goto done;
 	}
 #ifdef RPCBIND_DEBUG
 	if (debugging)
@@ -205,7 +207,8 @@ pmapproc_change(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt, unsigned long
 
 	if (!check_access(xprt, op, reg.pm_prog, PMAPVERS)) {
 		svcerr_weakauth(xprt);
-		return (FALSE);
+		rc = (FALSE);
+		goto done;
 	}
 
 	rpcbreg.r_prog = reg.pm_prog;
@@ -258,7 +261,18 @@ done_change:
 		rpcbs_set(RPCBVERS_2_STAT, ans);
 	else
 		rpcbs_unset(RPCBVERS_2_STAT, ans);
-	return (TRUE);
+done:
+	if (!svc_freeargs(xprt, (xdrproc_t) xdr_pmap, (char *)&reg)) {
+#ifdef RPCBIND_DEBUG
+		if (debugging) {
+			(void) xlog(LOG_DEBUG, "unable to free arguments\n");
+			if (doabort) {
+				rpcbind_abort();
+			}
+		}
+#endif
+	}
+	return (rc);
 }
 
 /* ARGSUSED */
@@ -272,15 +286,18 @@ pmapproc_getport(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt)
 #ifdef RPCBIND_DEBUG
 	char *uaddr;
 #endif
+	int rc = TRUE;
 
 	if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (char *)&reg)) {
 		svcerr_decode(xprt);
-		return (FALSE);
+		rc = FALSE;
+		goto done;
 	}
 
 	if (!check_access(xprt, PMAPPROC_GETPORT, reg.pm_prog, PMAPVERS)) {
 		svcerr_weakauth(xprt);
-		return FALSE;
+		rc = FALSE;
+		goto done;
 	}
 
 #ifdef RPCBIND_DEBUG
@@ -330,21 +347,36 @@ pmapproc_getport(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt)
 		pmap_ipprot2netid(reg.pm_prot) ?: "<unknown>",
 		port ? udptrans : "");
 
-	return (TRUE);
+done:
+	if (!svc_freeargs(xprt, (xdrproc_t) xdr_pmap, (char *)&reg)) {
+#ifdef RPCBIND_DEBUG
+		if (debugging) {
+			(void) xlog(LOG_DEBUG, "unable to free arguments\n");
+			if (doabort) {
+				rpcbind_abort();
+			}
+		}
+#endif
+	}
+	return (rc);
 }
 
 /* ARGSUSED */
 static bool_t
 pmapproc_dump(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt)
 {
+	int rc = TRUE;
+
 	if (!svc_getargs(xprt, (xdrproc_t)xdr_void, NULL)) {
 		svcerr_decode(xprt);
-		return (FALSE);
+		rc = FALSE;
+		goto done;
 	}
 
 	if (!check_access(xprt, PMAPPROC_DUMP, 0, PMAPVERS)) {
 		svcerr_weakauth(xprt);
-		return FALSE;
+		rc = FALSE;
+		goto done;
 	}
 	
 	if ((!svc_sendreply(xprt, (xdrproc_t) xdr_pmaplist_ptr,
@@ -354,7 +386,19 @@ pmapproc_dump(struct svc_req *rqstp /*__unused*/, SVCXPRT *xprt)
 			rpcbind_abort();
 		}
 	}
-	return (TRUE);
+
+done:
+	if (!svc_freeargs(xprt, (xdrproc_t) xdr_void, (char *)NULL)) {
+#ifdef RPCBIND_DEBUG
+		if (debugging) {
+			(void) xlog(LOG_DEBUG, "unable to free arguments\n");
+			if (doabort) {
+				rpcbind_abort();
+			}
+		}
+#endif
+	}
+	return (rc);
 }
 
 int pmap_netid2ipprot(const char *netid)
diff --git a/src/rpcb_svc.c b/src/rpcb_svc.c
index 709e3fb..091f530 100644
--- a/src/rpcb_svc.c
+++ b/src/rpcb_svc.c
@@ -166,7 +166,7 @@ rpcb_service_3(struct svc_req *rqstp, SVCXPRT *transp)
 		svcerr_decode(transp);
 		if (debugging)
 			(void) xlog(LOG_DEBUG, "rpcbind: could not decode");
-		return;
+		goto done;
 	}
 
 	if (rqstp->rq_proc == RPCBPROC_SET
diff --git a/src/rpcb_svc_4.c b/src/rpcb_svc_4.c
index 5094879..eebbbbe 100644
--- a/src/rpcb_svc_4.c
+++ b/src/rpcb_svc_4.c
@@ -218,7 +218,7 @@ rpcb_service_4(struct svc_req *rqstp, SVCXPRT *transp)
 		svcerr_decode(transp);
 		if (debugging)
 			(void) xlog(LOG_DEBUG, "rpcbind: could not decode\n");
-		return;
+		goto done;
 	}
 
 	if (rqstp->rq_proc == RPCBPROC_SET
diff --git a/src/rpcb_svc_com.c b/src/rpcb_svc_com.c
index 5862c26..d36b090 100644
--- a/src/rpcb_svc_com.c
+++ b/src/rpcb_svc_com.c
@@ -612,9 +612,7 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 	struct netconfig *nconf;
 	struct netbuf *caller;
 	struct r_rmtcall_args a;
-	char *buf_alloc = NULL, *outbufp;
-	char *outbuf_alloc = NULL;
-	char buf[RPC_BUF_MAX], outbuf[RPC_BUF_MAX];
+	char  outbuf[RPC_BUF_MAX];
 	struct netbuf *na = (struct netbuf *) NULL;
 	struct rpc_msg call_msg;
 	int outlen;
@@ -635,36 +633,10 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 	}
 	if (si.si_socktype != SOCK_DGRAM)
 		return;	/* Only datagram type accepted */
-	sendsz = __rpc_get_t_size(si.si_af, si.si_proto, UDPMSGSIZE);
-	if (sendsz == 0) {	/* data transfer not supported */
-		if (reply_type == RPCBPROC_INDIRECT)
-			svcerr_systemerr(transp);
-		return;
-	}
-	/*
-	 * Should be multiple of 4 for XDR.
-	 */
-	sendsz = ((sendsz + 3) / 4) * 4;
-	if (sendsz > RPC_BUF_MAX) {
-#ifdef	notyet
-		buf_alloc = alloca(sendsz);		/* not in IDR2? */
-#else
-		buf_alloc = malloc(sendsz);
-#endif	/* notyet */
-		if (buf_alloc == NULL) {
-			if (debugging)
-				xlog(LOG_DEBUG,
-					"rpcbproc_callit_com:  No Memory!\n");
-			if (reply_type == RPCBPROC_INDIRECT)
-				svcerr_systemerr(transp);
-			return;
-		}
-		a.rmt_args.args = buf_alloc;
-	} else {
-		a.rmt_args.args = buf;
-	}
+	sendsz = UDPMSGSIZE;
 
 	call_msg.rm_xid = 0;	/* For error checking purposes */
+	memset(&a, 0, sizeof(a)); /* Zero out the input buffer */
 	if (!svc_getargs(transp, (xdrproc_t) xdr_rmtcall_args, (char *) &a)) {
 		if (reply_type == RPCBPROC_INDIRECT)
 			svcerr_decode(transp);
@@ -700,11 +672,11 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 
 	rpcbs_rmtcall(versnum - 2, reply_type, a.rmt_prog, a.rmt_vers,
 			a.rmt_proc, transp->xp_netid, rbl);
-
 	if (rbl == (rpcblist_ptr)NULL) {
 #ifdef RPCBIND_DEBUG
 		if (debugging)
-			xlog(LOG_DEBUG, "not found\n");
+			xlog(LOG_DEBUG, "prog %lu vers %lu: not found\n", 
+				a.rmt_prog, a.rmt_vers);
 #endif
 		if (reply_type == RPCBPROC_INDIRECT)
 			svcerr_noprog(transp);
@@ -818,24 +790,10 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 	call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
 	call_msg.rm_call.cb_prog = a.rmt_prog;
 	call_msg.rm_call.cb_vers = a.rmt_vers;
-	if (sendsz > RPC_BUF_MAX) {
-#ifdef	notyet
-		outbuf_alloc = alloca(sendsz);	/* not in IDR2? */
-#else
-		outbuf_alloc = malloc(sendsz);
-#endif	/* notyet */
-		if (outbuf_alloc == NULL) {
-			if (reply_type == RPCBPROC_INDIRECT)
-				svcerr_systemerr(transp);
-			if (debugging)
-				xlog(LOG_DEBUG,
-				"rpcbproc_callit_com:  No memory!\n");
-			goto error;
-		}
-		xdrmem_create(&outxdr, outbuf_alloc, sendsz, XDR_ENCODE);
-	} else {
-		xdrmem_create(&outxdr, outbuf, sendsz, XDR_ENCODE);
-	}
+
+	memset(outbuf, '\0', sendsz); /* Zero out the output buffer */
+	xdrmem_create(&outxdr, outbuf, sendsz, XDR_ENCODE);
+
 	if (!xdr_callhdr(&outxdr, &call_msg)) {
 		if (reply_type == RPCBPROC_INDIRECT)
 			svcerr_systemerr(transp);
@@ -900,10 +858,6 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 		goto error;
 	}
 	outlen = (int) XDR_GETPOS(&outxdr);
-	if (outbuf_alloc)
-		outbufp = outbuf_alloc;
-	else
-		outbufp = outbuf;
 
 	na = uaddr2taddr(nconf, local_uaddr);
 	if (!na) {
@@ -912,7 +866,7 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp,
 		goto error;
 	}
 
-	if (sendto(fd, outbufp, outlen, 0, (struct sockaddr *)na->buf, na->len)
+	if (sendto(fd, outbuf, outlen, 0, (struct sockaddr *)na->buf, na->len)
 	    != outlen) {
 		if (debugging)
 			xlog(LOG_DEBUG,
@@ -927,12 +881,16 @@ error:
 	if (call_msg.rm_xid != 0)
 		(void) free_slot_by_xid(call_msg.rm_xid);
 out:
+	if (!svc_freeargs(transp, (xdrproc_t) xdr_rmtcall_args, (char *) &a)) {
+		if (debugging) {
+			(void) xlog(LOG_DEBUG, "unable to free arguments\n");
+			if (doabort) {
+				rpcbind_abort();
+			}
+		}
+	}
 	if (local_uaddr)
 		free(local_uaddr);
-	if (buf_alloc)
-		free(buf_alloc);
-	if (outbuf_alloc)
-		free(outbuf_alloc);
 	if (na) {
 		free(na->buf);
 		free(na);
diff --git a/systemd/rpcbind.service.in b/systemd/rpcbind.service.in
index e7e86da..03a9e0b 100644
--- a/systemd/rpcbind.service.in
+++ b/systemd/rpcbind.service.in
@@ -2,6 +2,7 @@
 Description=RPC Bind
 Documentation=man:rpcbind(8)
 DefaultDependencies=no
+RequiresMountsFor=@statedir@
 
 # Make sure we use the IP addresses listed for
 # rpcbind.socket, no matter how this unit is started.