*** empty log message ***

1 files changed, 749 insertions, 0 deletions

diff --git a/isys/nfsmount.c b/isys/nfsmount.c
new file mode 100644
index 000000000..e4537f779
--- /dev/null
+++ b/isys/nfsmount.c
@@ -0,0 +1,749 @@
+/* MODIFIED for Red Hat Linux installer
+ * msw@redhat.com
+ * o always mounts without lockd
+ * o uses our own host resolution
+ */
+
+/*
+ * nfsmount.c -- Linux NFS mount
+ * Copyright (C) 1993 Rick Sladkey <jrs@world.std.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Wed Feb  8 12:51:48 1995, biro@yggdrasil.com (Ross Biro): allow all port
+ * numbers to be specified on the command line.
+ *
+ * Fri, 8 Mar 1996 18:01:39, Swen Thuemmler <swen@uni-paderborn.de>:
+ * Omit the call to connect() for Linux version 1.3.11 or later.
+ *
+ * Wed Oct  1 23:55:28 1997: Dick Streefland <dick_streefland@tasking.com>
+ * Implemented the "bg", "fg" and "retry" mount options for NFS.
+ */
+
+/*
+ * nfsmount.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <netdb.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_clnt.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/utsname.h>
+#include <sys/stat.h>
+#include <arpa/inet.h>
+
+#include "sundries.h"
+#include "nfsmount.h"
+
+#include <linux/nfs.h>
+#include "mount_constants.h"
+#include "nfs_mount3.h"
+
+#include "dns.h"
+
+static char *nfs_strerror(int stat);
+
+#define MAKE_VERSION(p,q,r)	(65536*(p) + 256*(q) + (r))
+
+#define ERROR_CONNECT -50
+#define ERROR_HOSTNAME -51
+
+static int myerror = 0;
+
+/* from sundries.c */
+/* Fatal error.  Print message and exit.  */
+void
+die (int err, const char *fmt, ...) {
+     va_list args;
+
+     va_start (args, fmt);
+     vfprintf (stderr, fmt, args);
+     fprintf (stderr, "\n");
+     va_end (args);
+
+#if 0
+     unlock_mtab ();
+#endif
+     exit (err);
+}
+
+char *
+xstrdup (const char *s) {
+     char *t;
+
+     if (s == NULL)
+          return NULL;
+ 
+     t = strdup (s);
+
+     if (t == NULL)
+          die (EX_SYSERR, "not enough memory");
+
+     return t;
+}
+
+char *
+xstrndup (const char *s, int n) {
+     char *t;
+
+     if (s == NULL)
+          die (EX_SOFTWARE, "bug in xstrndup call");
+
+     t = malloc(n+1);
+     strncpy(t,s,n);
+     t[n] = 0;
+
+     return t;
+}
+
+void *
+xmalloc(size_t size)
+{
+      void *ptr = malloc(size);
+        if (!ptr)
+	    {
+		      error("Out of memory");
+		            exit(1);
+	    }
+	  return ptr;
+}
+
+/* end of sundries.c */
+
+static int
+linux_version_code(void) {
+	struct utsname my_utsname;
+	int p, q, r;
+
+	if (uname(&my_utsname) == 0) {
+		p = atoi(strtok(my_utsname.release, "."));
+		q = atoi(strtok(NULL, "."));
+		r = atoi(strtok(NULL, "."));
+		return MAKE_VERSION(p,q,r);
+	}
+	return 0;
+}
+
+/*
+ * nfs_mount_version according to the kernel sources seen at compile time.
+ */
+static int nfs_mount_version = KERNEL_NFS_MOUNT_VERSION;
+
+/*
+ * Unfortunately, the kernel prints annoying console messages
+ * in case of an unexpected nfs mount version (instead of
+ * just returning some error).  Therefore we'll have to try
+ * and figure out what version the kernel expects.
+ *
+ * Variables:
+ *	KERNEL_NFS_MOUNT_VERSION: kernel sources at compile time
+ *	NFS_MOUNT_VERSION: these nfsmount sources at compile time
+ *	nfs_mount_version: version this source and running kernel can handle
+ */
+static void
+find_kernel_nfs_mount_version(void) {
+	int kernel_version = linux_version_code();
+
+	if (kernel_version) {
+	     if (kernel_version < MAKE_VERSION(2,1,32))
+		  nfs_mount_version = 1;
+	     else
+		  nfs_mount_version = 3;
+	}
+#if 0
+	if (nfs_mount_version > NFS_MOUNT_VERSION)
+	     nfs_mount_version = NFS_MOUNT_VERSION;
+#endif
+}
+
+int nfsmount(const char *spec, const char *node, int *flags,
+	     char **extra_opts, char **mount_opts, int running_bg)
+{
+	static char *prev_bg_host;
+	char hostdir[1024];
+	CLIENT *mclient;
+	char *hostname;
+	char *dirname;
+	char *old_opts;
+	char *mounthost=NULL;
+	char new_opts[1024];
+	fhandle root_fhandle;
+	struct timeval total_timeout;
+	enum clnt_stat clnt_stat;
+	static struct nfs_mount_data data;
+	char *opt, *opteq;
+	int val;
+	struct sockaddr_in server_addr;
+	struct sockaddr_in mount_server_addr;
+	int msock, fsock;
+	struct timeval retry_timeout;
+	struct fhstatus status;
+	struct stat statbuf;
+	char *s;
+	int port;
+	int mountport;
+	int bg;
+	int soft;
+	int intr;
+	int posix;
+	int nocto;
+	int noac;
+	int nolock;
+	int retry;
+	int tcp;
+	int mountprog;
+	int mountvers;
+	int nfsprog;
+	int nfsvers;
+	int retval;
+	time_t t;
+	time_t prevt;
+	time_t timeout;
+
+	find_kernel_nfs_mount_version();
+	
+	myerror = 0;
+	retval = EX_FAIL;
+	msock = fsock = -1;
+	mclient = NULL;
+	if (strlen(spec) >= sizeof(hostdir)) {
+		goto fail;
+	}
+	strcpy(hostdir, spec);
+	if ((s = (strchr(hostdir, ':')))) {
+		hostname = hostdir;
+		dirname = s + 1;
+		*s = '\0';
+	} else {
+		goto fail;
+	}
+
+	server_addr.sin_family = AF_INET;
+#if 1		/* old libc's do not have inet_aton() -- change 1 to 0 */
+	if (!inet_aton(hostname, &server_addr.sin_addr))
+#endif
+	{
+		if (mygethostbyname(hostname, &server_addr.sin_addr)) {
+			myerror = ERROR_HOSTNAME;
+			goto fail;
+		} else {
+			server_addr.sin_family = AF_INET;
+		}
+	}
+
+	memcpy (&mount_server_addr, &server_addr, sizeof (mount_server_addr));
+
+	/* add IP address to mtab options for use when unmounting */
+
+	s = inet_ntoa(server_addr.sin_addr);
+	old_opts = *extra_opts;
+	if (!old_opts)
+		old_opts = "";
+	if (strlen(old_opts) + strlen(s) + 10 >= sizeof(new_opts)) {
+		goto fail;
+	}
+	sprintf(new_opts, "%s%saddr=%s",
+		old_opts, *old_opts ? "," : "", s);
+	*extra_opts = xstrdup(new_opts);
+
+	/* Set default options.
+	 * rsize/wsize (and bsize, for ver >= 3) are left 0 in order to
+	 * let the kernel decide.
+	 * timeo is filled in after we know whether it'll be TCP or UDP. */
+	memset(&data, 0, sizeof(data));
+	data.retrans	= 3;
+	data.acregmin	= 3;
+	data.acregmax	= 60;
+	data.acdirmin	= 30;
+	data.acdirmax	= 60;
+#if NFS_MOUNT_VERSION >= 2
+	data.namlen	= NAME_MAX;
+#endif
+
+	bg = 0;
+	soft = 0;
+	intr = 0;
+	posix = 0;
+	nocto = 0;
+	nolock = 0;
+	noac = 0;
+	retry = 10000;		/* 10000 minutes ~ 1 week */
+	tcp = 0;
+
+	mountprog = MOUNTPROG;
+	mountvers = MOUNTVERS;
+	port = 0;
+	mountport = 0;
+	nfsprog = NFS_PROGRAM;
+	nfsvers = NFS_VERSION;
+
+	/* parse options */
+
+	for (opt = strtok(old_opts, ","); opt; opt = strtok(NULL, ",")) {
+		if ((opteq = strchr(opt, '='))) {
+			val = atoi(opteq + 1);	
+			*opteq = '\0';
+			if (!strcmp(opt, "rsize"))
+				data.rsize = val;
+			else if (!strcmp(opt, "wsize"))
+				data.wsize = val;
+			else if (!strcmp(opt, "timeo"))
+				data.timeo = val;
+			else if (!strcmp(opt, "retrans"))
+				data.retrans = val;
+			else if (!strcmp(opt, "acregmin"))
+				data.acregmin = val;
+			else if (!strcmp(opt, "acregmax"))
+				data.acregmax = val;
+			else if (!strcmp(opt, "acdirmin"))
+				data.acdirmin = val;
+			else if (!strcmp(opt, "acdirmax"))
+				data.acdirmax = val;
+			else if (!strcmp(opt, "actimeo")) {
+				data.acregmin = val;
+				data.acregmax = val;
+				data.acdirmin = val;
+				data.acdirmax = val;
+			}
+			else if (!strcmp(opt, "retry"))
+				retry = val;
+			else if (!strcmp(opt, "port"))
+				port = val;
+			else if (!strcmp(opt, "mountport"))
+			        mountport = val;
+			else if (!strcmp(opt, "mounthost"))
+			        mounthost=xstrndup(opteq+1,
+						  strcspn(opteq+1," \t\n\r,"));
+			else if (!strcmp(opt, "mountprog"))
+				mountprog = val;
+			else if (!strcmp(opt, "mountvers"))
+				mountvers = val;
+			else if (!strcmp(opt, "nfsprog"))
+				nfsprog = val;
+			else if (!strcmp(opt, "nfsvers"))
+				nfsvers = val;
+			else if (!strcmp(opt, "namlen")) {
+#if NFS_MOUNT_VERSION >= 2
+				if (nfs_mount_version >= 2)
+					data.namlen = val;
+				else
+#endif
+				printf("Warning: Option namlen is not supported.\n");
+			}
+			else if (!strcmp(opt, "addr"))
+				/* ignore */;
+			else {
+				printf("unknown nfs mount parameter: "
+				       "%s=%d\n", opt, val);
+				goto fail;
+			}
+		}
+		else {
+			val = 1;
+			if (!strncmp(opt, "no", 2)) {
+				val = 0;
+				opt += 2;
+			}
+			if (!strcmp(opt, "bg")) 
+				bg = val;
+			else if (!strcmp(opt, "fg")) 
+				bg = !val;
+			else if (!strcmp(opt, "soft"))
+				soft = val;
+			else if (!strcmp(opt, "hard"))
+				soft = !val;
+			else if (!strcmp(opt, "intr"))
+				intr = val;
+			else if (!strcmp(opt, "posix"))
+				posix = val;
+			else if (!strcmp(opt, "cto"))
+				nocto = !val;
+			else if (!strcmp(opt, "ac"))
+				noac = !val;
+			else if (!strcmp(opt, "tcp"))
+				tcp = val;
+			else if (!strcmp(opt, "udp"))
+				tcp = !val;
+			else if (!strcmp(opt, "lock")) {
+				if (nfs_mount_version >= 3)
+					nolock = !val;
+				else
+					printf("Warning: option nolock is not supported.\n");
+			} else {
+#if 0
+				if (!sloppy) {
+#endif
+					printf("unknown nfs mount option: "
+					       "%s%s\n", val ? "" : "no", opt);
+					goto fail;
+#if 0
+				}
+#endif
+			}
+		}
+	}
+	data.flags = (soft ? NFS_MOUNT_SOFT : 0)
+		| (intr ? NFS_MOUNT_INTR : 0)
+		| (posix ? NFS_MOUNT_POSIX : 0)
+		| (nocto ? NFS_MOUNT_NOCTO : 0)
+		| (noac ? NFS_MOUNT_NOAC : 0);
+#if NFS_MOUNT_VERSION >= 2
+	if (nfs_mount_version >= 2)
+		data.flags |= (tcp ? NFS_MOUNT_TCP : 0);
+#endif
+#if NFS_MOUNT_VERSION >= 3
+	if (nfs_mount_version >= 3)
+	        data.flags |= NFS_MOUNT_NONLM; /* HACK HACK msw */
+#endif
+
+	/* Adjust options if none specified */
+	if (!data.timeo)
+		data.timeo = tcp ? 70 : 7;
+
+#ifdef NFS_MOUNT_DEBUG
+	printf("rsize = %d, wsize = %d, timeo = %d, retrans = %d\n",
+		data.rsize, data.wsize, data.timeo, data.retrans);
+	printf("acreg (min, max) = (%d, %d), acdir (min, max) = (%d, %d)\n",
+		data.acregmin, data.acregmax, data.acdirmin, data.acdirmax);
+	printf("port = %d, bg = %d, retry = %d, flags = %.8x\n",
+		port, bg, retry, data.flags);
+	printf("mountprog = %d, mountvers = %d, nfsprog = %d, nfsvers = %d\n",
+		mountprog, mountvers, nfsprog, nfsvers);
+	printf("soft = %d, intr = %d, posix = %d, nocto = %d, noac = %d\n",
+		(data.flags & NFS_MOUNT_SOFT) != 0,
+		(data.flags & NFS_MOUNT_INTR) != 0,
+		(data.flags & NFS_MOUNT_POSIX) != 0,
+		(data.flags & NFS_MOUNT_NOCTO) != 0,
+		(data.flags & NFS_MOUNT_NOAC) != 0);
+#if NFS_MOUNT_VERSION >= 2
+	printf("tcp = %d\n",
+		(data.flags & NFS_MOUNT_TCP) != 0);
+#endif
+#endif
+
+	data.version = nfs_mount_version;
+	*mount_opts = (char *) &data;
+
+	if (*flags & MS_REMOUNT)
+		return 0;
+
+	/*
+	 * If the previous mount operation on the same host was
+	 * backgrounded, and the "bg" for this mount is also set,
+	 * give up immediately, to avoid the initial timeout.
+	 */
+	if (bg && !running_bg &&
+	    prev_bg_host && strcmp(hostname, prev_bg_host) == 0) {
+		if (retry > 0)
+			retval = EX_BG;
+		return retval;
+	}
+
+	/* create mount deamon client */
+	/* See if the nfs host = mount host. */
+	if (mounthost) {
+	  if (mounthost[0] >= '0' && mounthost[0] <= '9') {
+	    mount_server_addr.sin_family = AF_INET;
+	    mount_server_addr.sin_addr.s_addr = inet_addr(hostname);
+	  } else {
+		if (mygethostbyname(hostname, &mount_server_addr.sin_addr)) {
+			  myerror = ERROR_HOSTNAME;
+			  goto fail;
+		  } else {
+			mount_server_addr.sin_family = AF_INET;
+		  }
+	  }
+	}
+
+	/*
+	 * The following loop implements the mount retries. On the first
+	 * call, "running_bg" is 0. When the mount times out, and the
+	 * "bg" option is set, the exit status EX_BG will be returned.
+	 * For a backgrounded mount, there will be a second call by the
+	 * child process with "running_bg" set to 1.
+	 *
+	 * The case where the mount point is not present and the "bg"
+	 * option is set, is treated as a timeout. This is done to
+	 * support nested mounts.
+	 *
+	 * The "retry" count specified by the user is the number of
+	 * minutes to retry before giving up.
+	 *
+	 * Only the first error message will be displayed.
+	 */
+	retry_timeout.tv_sec = 3;
+	retry_timeout.tv_usec = 0;
+	total_timeout.tv_sec = 20;
+	total_timeout.tv_usec = 0;
+	timeout = time(NULL) + 60 * retry;
+	prevt = 0;
+	t = 30;
+	val = 1;
+	for (;;) {
+		if (bg && stat(node, &statbuf) == -1) {
+			if (running_bg) {
+				sleep(val);	/* 1, 2, 4, 8, 16, 30, ... */
+				val *= 2;
+				if (val > 30)
+					val = 30;
+			}
+		} else {
+			/* be careful not to use too many CPU cycles */
+			if (t - prevt < 30)
+				sleep(30);
+
+			/* contact the mount daemon via TCP */
+			mount_server_addr.sin_port = htons(mountport);
+			msock = RPC_ANYSOCK;
+			mclient = clnttcp_create(&mount_server_addr,
+						 mountprog, mountvers,
+						 &msock, 0, 0);
+
+			/* if this fails, contact the mount daemon via UDP */
+			if (!mclient) {
+				mount_server_addr.sin_port = htons(mountport);
+				msock = RPC_ANYSOCK;
+				mclient = clntudp_create(&mount_server_addr,
+							 mountprog, mountvers,
+							 retry_timeout, &msock);
+			}
+			if (mclient) {
+				/* try to mount hostname:dirname */
+				mclient->cl_auth = authunix_create_default();
+				clnt_stat = clnt_call(mclient, MOUNTPROC_MNT,
+					(xdrproc_t) xdr_dirpath, (caddr_t) &dirname,
+					(xdrproc_t) xdr_fhstatus, (caddr_t) &status,
+					total_timeout);
+				if (clnt_stat == RPC_SUCCESS)
+					break;		/* we're done */
+				if (errno != ECONNREFUSED) {
+					clnt_perror(mclient, "mount");
+					goto fail;	/* don't retry */
+				}
+				if (!running_bg && prevt == 0)
+					clnt_perror(mclient, "mount");
+				auth_destroy(mclient->cl_auth);
+				clnt_destroy(mclient);
+				mclient = 0;
+				close(msock);
+			} else {
+				if (!running_bg && prevt == 0)
+					clnt_pcreateerror("mount");
+			}
+			prevt = t;
+		}
+		if (!bg) {
+		        myerror = ERROR_CONNECT;
+		        goto fail;
+		}
+		if (!running_bg) {
+			prev_bg_host = xstrdup(hostname);
+			if (retry > 0)
+				retval = EX_BG;
+			goto fail;
+		}
+		t = time(NULL);
+		if (t >= timeout)
+			goto fail;
+	}
+
+	if (status.fhs_status != 0) {
+		myerror = status.fhs_status;
+		goto fail;
+	}
+	memcpy((char *) &root_fhandle, (char *) status.fhstatus_u.fhs_fhandle,
+		sizeof (root_fhandle));
+
+	/* create nfs socket for kernel */
+
+	if (tcp) {
+		if (nfs_mount_version < 3) {
+	     		printf("NFS over TCP is not supported.\n");
+			goto fail;
+		}
+		fsock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	} else
+		fsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+	if (fsock < 0) {
+		perror("nfs socket");
+		goto fail;
+	}
+	if (bindresvport(fsock, 0) < 0) {
+		perror("nfs bindresvport");
+		goto fail;
+	}
+	if (port == 0) {
+		server_addr.sin_port = PMAPPORT;
+		port = pmap_getport(&server_addr, nfsprog, nfsvers,
+			tcp ? IPPROTO_TCP : IPPROTO_UDP);
+		if (port == 0)
+			port = NFS_PORT;
+#ifdef NFS_MOUNT_DEBUG
+		else
+			printf("used portmapper to find NFS port\n");
+#endif
+	}
+#ifdef NFS_MOUNT_DEBUG
+	printf("using port %d for nfs deamon\n", port);
+#endif
+	server_addr.sin_port = htons(port);
+	 /*
+	  * connect() the socket for kernels 1.3.10 and below only,
+	  * to avoid problems with multihomed hosts.
+	  * --Swen
+	  */
+	if (linux_version_code() <= 66314
+	    && connect(fsock, (struct sockaddr *) &server_addr,
+		       sizeof (server_addr)) < 0) {
+		perror("nfs connect");
+		goto fail;
+	}
+
+	/* prepare data structure for kernel */
+
+	data.fd = fsock;
+	memcpy((char *) &data.root, (char *) &root_fhandle,
+		sizeof (root_fhandle));
+	memcpy((char *) &data.addr, (char *) &server_addr, sizeof(data.addr));
+	strncpy(data.hostname, hostname, sizeof(data.hostname));
+
+	/* clean up */
+
+	auth_destroy(mclient->cl_auth);
+	clnt_destroy(mclient);
+	close(msock);
+	return 0;
+
+	/* abort */
+
+fail:
+	if (msock != -1) {
+		if (mclient) {
+			auth_destroy(mclient->cl_auth);
+			clnt_destroy(mclient);
+		}
+		close(msock);
+	}
+	if (fsock != -1)
+		close(fsock);
+
+	return retval;
+}	
+
+/*
+ * We need to translate between nfs status return values and
+ * the local errno values which may not be the same.
+ *
+ * Andreas Schwab <schwab@LS5.informatik.uni-dortmund.de>: change errno:
+ * "after #include <errno.h> the symbol errno is reserved for any use,
+ *  it cannot even be used as a struct tag or field name".
+ */
+
+#ifndef EDQUOT
+#define EDQUOT	ENOSPC
+#endif
+
+static struct {
+	enum nfs_stat stat;
+	int errnum;
+} nfs_errtbl[] = {
+	{ NFS_OK,		0		},
+	{ NFSERR_PERM,		EPERM		},
+	{ NFSERR_NOENT,		ENOENT		},
+	{ NFSERR_IO,		EIO		},
+	{ NFSERR_NXIO,		ENXIO		},
+	{ NFSERR_ACCES,		EACCES		},
+	{ NFSERR_EXIST,		EEXIST		},
+	{ NFSERR_NODEV,		ENODEV		},
+	{ NFSERR_NOTDIR,	ENOTDIR		},
+	{ NFSERR_ISDIR,		EISDIR		},
+#ifdef NFSERR_INVAL
+	{ NFSERR_INVAL,		EINVAL		},	/* that Sun forgot */
+#endif
+	{ NFSERR_FBIG,		EFBIG		},
+	{ NFSERR_NOSPC,		ENOSPC		},
+	{ NFSERR_ROFS,		EROFS		},
+	{ NFSERR_NAMETOOLONG,	ENAMETOOLONG	},
+	{ NFSERR_NOTEMPTY,	ENOTEMPTY	},
+	{ NFSERR_DQUOT,		EDQUOT		},
+	{ NFSERR_STALE,		ESTALE		},
+#ifdef EWFLUSH
+	{ NFSERR_WFLUSH,	EWFLUSH		},
+#endif
+	/* Throw in some NFSv3 values for even more fun (HP returns these) */
+	{ 71,			EREMOTE		},
+
+	{ -1,			EIO		},
+};
+
+char *nfs_error(void)
+{
+    static char * host = "Unable to resolve hostname";
+    static char * connect = "Unable to connect to server";
+    
+    if (myerror == 0)
+	return strerror(0);
+    if (myerror == ERROR_CONNECT)
+	return connect;
+    if (myerror == ERROR_HOSTNAME)
+	return host;
+    return nfs_strerror(myerror);
+}
+
+static char *nfs_strerror(int stat)
+{
+	int i;
+	static char buf[256];
+
+	for (i = 0; nfs_errtbl[i].stat != -1; i++) {
+		if (nfs_errtbl[i].stat == stat)
+			return strerror(nfs_errtbl[i].errnum);
+	}
+	sprintf(buf, "unknown nfs status return value: %d", stat);
+	return buf;
+}
+
+#if 0
+int
+my_getport(struct in_addr server, struct timeval *timeo, ...)
+{
+        struct sockaddr_in sin;
+        struct pmap     pmap;
+        CLIENT          *clnt;
+        int             sock = RPC_ANYSOCK, port;
+
+        pmap.pm_prog = prog;
+        pmap.pm_vers = vers;
+        pmap.pm_prot = prot;
+        pmap.pm_port = 0;
+        sin.sin_family = AF_INET;
+        sin.sin_addr = server;
+        sin.sin_port = htons(111);
+        clnt = clntudp_create(&sin, 100000, 2, *timeo, &sock);
+        status = clnt_call(clnt, PMAP_GETPORT,
+                                &pmap, (xdrproc_t) xdr_pmap,
+                                &port, (xdrproc_t) xdr_uint);
+        if (status != SUCCESS) {
+	     /* natter */
+                port = 0;
+        }
+
+        clnt_destroy(clnt);
+        close(sock);
+        return port;
+}
+#endif