patch from hj

8 files changed, 1409 insertions, 34 deletions

diff --git a/isys/Makefile b/isys/Makefile
index 89e37c485..c02276d75 100644
--- a/isys/Makefile
+++ b/isys/Makefile
@@ -2,8 +2,8 @@ include ../Makefile.inc
 
 ARCH := $(patsubst i%86,i386,$(shell uname -m))
 ARCH := $(patsubst sparc%,sparc,$(ARCH))
-CFLAGS = -I/usr/include/python1.5 -I.. -g -Wall
-OBJECTS = nfsmount.o dns.o mount_clnt.o mount_xdr.o imount.o \
+CFLAGS = -I/usr/include/python1.5 -I.. -Wall -O2 -g -DHAVE_NFS -DHAVE_NFSV3
+OBJECTS = nfsmount.o dns.o nfsmount_clnt.o nfsmount_xdr.o imount.o \
           smp.o moduleinfo.o devnodes.o cpio.o probe.o uncpio.o \
 	  lang.o
 SOURCES = $(patsubst %.o,%.c,$(OBJECTS)) isys.c
@@ -13,6 +13,8 @@ LOADLIBES = -lbz2 -lresolv -lz -lpci -lpopt -L../pump -lpump -lext2fs
 PYMODULES = _isys.so
 SUBDIRS = modutils
 
+GENERATED = nfs_mountversion.h
+
 ifeq ($(ARCH),sparc)
 PYMODULES += _silo.so
 SOURCES += silo.c
@@ -37,16 +39,22 @@ _silo.so: silo.c
 libisys.a: libisys.a($(OBJECTS) $(STATICOBJS))
 
 clean:
-	rm -f *.o *.so *.a *.pyc $(TARGET) $(OBJECTS)
+	rm -f *.o *.so *.a *.pyc $(TARGET) $(OBJECTS) $(GENERATED)
 	for d in $(SUBDIRS); do make -C $$d clean; done
 
 install: all
-	install $(PYMODULES) isys.py $(DESTDIR)/$(PYTHONLIBDIR)
+	install -s $(PYMODULES) $(DESTDIR)/$(PYTHONLIBDIR)
+	install isys.py $(DESTDIR)/$(PYTHONLIBDIR)
 
 subdirs:
 	for d in $(SUBDIRS); do make -C $$d; done
 
-depend:
+nfsmount.o: nfs_mountversion.h
+
+nfs_mountversion.h: /usr/include/linux/nfs_mount.h
+	grep NFS_MOUNT_VERSION $< | sed -e 's/NFS/KERNEL_NFS/' > $@
+
+depend: nfs_mountversion.h
 	$(CPP) -M $(CFLAGS) $(SOURCES) > .depend
 
 ifeq (.depend,$(wildcard .depend))
diff --git a/isys/nfs_mount4.h b/isys/nfs_mount4.h
new file mode 100644
index 000000000..eb4ab19fd
--- /dev/null
+++ b/isys/nfs_mount4.h
@@ -0,0 +1,55 @@
+/*
+ * We want to be able to compile mount on old kernels in such a way
+ * that the binary will work well on more recent kernels.
+ * Thus, if necessary we teach nfsmount.c the structure of new fields
+ * that will come later.
+ */
+
+#define NFS_MOUNT_VERSION	4
+
+#include "nfs_mountversion.h"
+
+struct nfs2_fh {
+        char                    data[32];
+};
+
+struct nfs3_fh {
+        unsigned short          size;
+        unsigned char           data[64];
+};
+
+struct nfs_mount_data {
+	int		version;		/* 1 */
+	int		fd;			/* 1 */
+	struct nfs2_fh	old_root;		/* 1 */
+	int		flags;			/* 1 */
+	int		rsize;			/* 1 */
+	int		wsize;			/* 1 */
+	int		timeo;			/* 1 */
+	int		retrans;		/* 1 */
+	int		acregmin;		/* 1 */
+	int		acregmax;		/* 1 */
+	int		acdirmin;		/* 1 */
+	int		acdirmax;		/* 1 */
+	struct sockaddr_in addr;		/* 1 */
+	char		hostname[256];		/* 1 */
+	int		namlen;			/* 2 */
+	unsigned int	bsize;			/* 3 */
+	struct nfs3_fh	root;			/* 4 */
+};
+
+/* bits in the flags field */
+
+#define NFS_MOUNT_SOFT		0x0001	/* 1 */
+#define NFS_MOUNT_INTR		0x0002	/* 1 */
+#define NFS_MOUNT_SECURE	0x0004	/* 1 */
+#define NFS_MOUNT_POSIX		0x0008	/* 1 */
+#define NFS_MOUNT_NOCTO		0x0010	/* 1 */
+#define NFS_MOUNT_NOAC		0x0020	/* 1 */
+#define NFS_MOUNT_TCP		0x0040	/* 2 */
+#define NFS_MOUNT_VER3		0x0080	/* 3 */
+#define NFS_MOUNT_KERBEROS	0x0100	/* 3 */
+#define NFS_MOUNT_NONLM		0x0200	/* 3 */
+
+
+
diff --git a/isys/nfs_mountversion.h b/isys/nfs_mountversion.h
index c87adda79..fb5a7b508 100644
--- a/isys/nfs_mountversion.h
+++ b/isys/nfs_mountversion.h
@@ -1,2 +1 @@
-#define KERNEL_NFS_MOUNT_VERSION 3
-#define NFS_MOUNT_VERSION 3
+#define KERNEL_NFS_MOUNT_VERSION	4
diff --git a/isys/nfsmount.c b/isys/nfsmount.c
index 58b5fc1cc..d04f6b33a 100644
--- a/isys/nfsmount.c
+++ b/isys/nfsmount.c
@@ -31,6 +31,9 @@
 /*
  * nfsmount.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp
  */
+/* hack hack to prevent linux/in.h from being included */
+#define _LINUX_IN_H
+
 
 #include <unistd.h>
 #include <stdio.h>
@@ -49,9 +52,12 @@
 #include "sundries.h"
 #include "nfsmount.h"
 
+#define NFS_NEED_KERNEL_TYPES
+#include <linux/uio.h>
 #include <linux/nfs.h>
 #include "mount_constants.h"
-#include "nfs_mount3.h"
+#include "nfs_mount4.h"
+#undef NFS_NEED_KERNEL_TYPES
 
 #include "dns.h"
 
@@ -124,6 +130,12 @@ nfsxmalloc(size_t size)
 
 /* end of sundries.c */
 
+#ifdef HAVE_NFSV3
+#define MAX_NFSPROT ((nfs_mount_version >= 4) ? 3 : 2)
+#else
+#define MAX_NFSPROT 2
+#endif
+
 static int
 linux_version_code(void) {
 	struct utsname my_utsname;
@@ -161,8 +173,15 @@ find_kernel_nfs_mount_version(void) {
 	if (kernel_version) {
 	     if (kernel_version < MAKE_VERSION(2,1,32))
 		  nfs_mount_version = 1;
-	     else
+#ifdef HAVE_NFSV3
+	     else if (kernel_version < MAKE_VERSION(2,2,7))
 		  nfs_mount_version = 3;
+	     else
+		  nfs_mount_version = 4;
+#else
+	     else
+		  nfs_mount_version = 3
+#endif
 	}
 #if 0
 	if (nfs_mount_version > NFS_MOUNT_VERSION)
@@ -170,6 +189,55 @@ find_kernel_nfs_mount_version(void) {
 #endif
 }
 
+static struct pmap *
+get_mountport(struct sockaddr_in *server_addr,
+      long unsigned prog,
+      long unsigned version,
+      long unsigned proto,
+      long unsigned port)
+{
+struct pmaplist *pmap;
+static struct pmap p = {0, 0, 0, 0};
+
+server_addr->sin_port = PMAPPORT;
+pmap = pmap_getmaps(server_addr);
+
+if (!pmap)
+	return NULL;
+
+if (version > MAX_NFSPROT)
+	version = MAX_NFSPROT;
+if (!prog)
+	prog = MOUNTPROG;
+p.pm_prog = prog;
+p.pm_vers = version;
+p.pm_prot = proto;
+p.pm_port = port;
+
+while (pmap) {
+	if (pmap->pml_map.pm_prog != prog)
+		goto next;
+	if (!version && p.pm_vers > pmap->pml_map.pm_vers)
+		goto next;
+	if (version > 2 && pmap->pml_map.pm_vers != version)
+		goto next;
+	if (version && version <= 2 && pmap->pml_map.pm_vers > 2)
+		goto next;
+	if (pmap->pml_map.pm_vers > MAX_NFSPROT ||
+	    (proto && p.pm_prot && pmap->pml_map.pm_prot != proto) ||
+	    (port && pmap->pml_map.pm_port != port))
+		goto next;
+	memcpy(&p, &pmap->pml_map, sizeof(p));
+next:
+	pmap = pmap->pml_next;
+}
+if (!p.pm_vers)
+	p.pm_vers = MOUNTVERS;
+if (!p.pm_prot)
+	p.pm_prot = IPPROTO_TCP;
+return &p;
+}
+
 int nfsmount(const char *spec, const char *node, int *flags,
 	     char **extra_opts, char **mount_opts, int running_bg)
 {
@@ -181,7 +249,6 @@ int nfsmount(const char *spec, const char *node, int *flags,
 	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;
@@ -189,13 +256,18 @@ int nfsmount(const char *spec, const char *node, int *flags,
 	int val;
 	struct sockaddr_in server_addr;
 	struct sockaddr_in mount_server_addr;
+	struct pmap* pm_mnt;
 	int msock, fsock;
 	struct timeval retry_timeout;
-	struct fhstatus status;
+	union {
+		struct fhstatus nfsv2;
+		struct mountres3 nfsv3;
+	} status;
 	struct stat statbuf;
 	char *s;
 	int port;
 	int mountport;
+	int proto;
 	int bg;
 	int soft;
 	int intr;
@@ -285,11 +357,11 @@ int nfsmount(const char *spec, const char *node, int *flags,
 	tcp = 0;
 
 	mountprog = MOUNTPROG;
-	mountvers = MOUNTVERS;
+	mountvers = 0;
 	port = 0;
 	mountport = 0;
 	nfsprog = NFS_PROGRAM;
-	nfsvers = NFS_VERSION;
+	nfsvers = 0;
 
 	/* parse options */
 
@@ -396,6 +468,8 @@ int nfsmount(const char *spec, const char *node, int *flags,
 			}
 		}
 	}
+	proto = (tcp) ? IPPROTO_TCP : IPPROTO_UDP;
+
 	data.flags = (soft ? NFS_MOUNT_SOFT : 0)
 		| (intr ? NFS_MOUNT_INTR : 0)
 		| (posix ? NFS_MOUNT_POSIX : 0)
@@ -434,6 +508,19 @@ int nfsmount(const char *spec, const char *node, int *flags,
 		(data.flags & NFS_MOUNT_TCP) != 0);
 #endif
 #endif
+	if (nfsvers > MAX_NFSPROT) {
+		fprintf(stderr, "NFSv%d not supported!\n", nfsvers);
+		return 0;
+	}
+	if (mountvers > MAX_NFSPROT) {
+		fprintf(stderr, "NFSv%d not supported!\n", nfsvers);
+		return 0;
+	}
+	if (nfsvers && !mountvers)
+		mountvers = (nfsvers < 3) ? 1 : nfsvers;
+	if (nfsvers && nfsvers < mountvers) {
+		mountvers = nfsvers;
+	}
 
 	data.version = nfs_mount_version;
 	*mount_opts = (char *) &data;
@@ -506,28 +593,66 @@ int nfsmount(const char *spec, const char *node, int *flags,
 			if (t - prevt < 30)
 				sleep(30);
 
+			pm_mnt = get_mountport(&mount_server_addr,
+				       mountprog,
+				       mountvers,
+				       proto,
+ 				       mountport);
+
+			if (pm_mnt == NULL) {
+			  fprintf(stderr, "mount: cannot access portmapper on %s: %s\n",
+				  hostname, strerror (errno));
+			  goto fail;
+			}
+
 			/* contact the mount daemon via TCP */
-			mount_server_addr.sin_port = htons(mountport);
+			mount_server_addr.sin_port = htons(pm_mnt->pm_port);
 			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;
+			switch (pm_mnt->pm_prot) {
+			case IPPROTO_UDP:
 				mclient = clntudp_create(&mount_server_addr,
-							 mountprog, mountvers,
-							 retry_timeout, &msock);
+						 pm_mnt->pm_prog,
+						 pm_mnt->pm_vers,
+						 retry_timeout,
+						 &msock);
+		  if (mclient)
+			  break;
+		  mount_server_addr.sin_port = htons(pm_mnt->pm_port);
+		  msock = RPC_ANYSOCK;
+		case IPPROTO_TCP:
+			mclient = clnttcp_create(&mount_server_addr,
+						 pm_mnt->pm_prog,
+						 pm_mnt->pm_vers,
+						 &msock, 0, 0);
+			break;
+		default:
+			mclient = 0;
 			}
 			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,
+
+			/* make pointers in xdr_mountres3 NULL so
+			 * that xdr_array allocates memory for us
+			 */
+			memset(&status, 0, sizeof(status));
+
+			if (pm_mnt->pm_vers == 3)
+				clnt_stat = clnt_call(mclient, MOUNTPROC3_MNT,
+						      (xdrproc_t) xdr_dirpath,
+						      (caddr_t) &dirname,
+						      (xdrproc_t) xdr_mountres3,
+						      (caddr_t) &status,
 					total_timeout);
+			else
+				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) {
@@ -561,12 +686,40 @@ int nfsmount(const char *spec, const char *node, int *flags,
 			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));
+	nfsvers = (pm_mnt->pm_vers < 2) ? 2 : pm_mnt->pm_vers;
+  
+	if (nfsvers == 2) {
+		if (status.nfsv2.fhs_status != 0) {
+			myerror = status.nfsv2.fhs_status;
+			goto fail;
+		}
+		memcpy(data.root.data,
+		       (char *) status.nfsv2.fhstatus_u.fhs_fhandle,
+		       NFS_FHSIZE);
+#if NFS_MOUNT_VERSION >= 4
+		data.root.size = NFS_FHSIZE;
+		memcpy(data.old_root.data,
+		       (char *) status.nfsv2.fhstatus_u.fhs_fhandle,
+		       NFS_FHSIZE);
+#endif
+	} else {
+#if NFS_MOUNT_VERSION >= 4
+		fhandle3 *fhandle;
+		if (status.nfsv3.fhs_status != 0) {
+			myerror = status.nfsv3.fhs_status;
+			goto fail;
+		}
+		fhandle = &status.nfsv3.mountres3_u.mountinfo.fhandle;
+		memset(data.old_root.data, 0, NFS_FHSIZE);
+		memset(&data.root, 0, sizeof(data.root));
+		data.root.size = fhandle->fhandle3_len;
+		memcpy(data.root.data,
+		       (char *) fhandle->fhandle3_val,
+		       fhandle->fhandle3_len);
+
+		data.flags |= NFS_MOUNT_VER3;
+#endif
+  	}
 
 	/* create nfs socket for kernel */
 
@@ -616,8 +769,6 @@ int nfsmount(const char *spec, const char *node, int *flags,
 	/* 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));
 
diff --git a/isys/nfsmount.h b/isys/nfsmount.h
index 73c71fc68..425f5dd90 100644
--- a/isys/nfsmount.h
+++ b/isys/nfsmount.h
@@ -44,9 +44,11 @@
 /* from @(#)mount.x	1.3 91/03/11 TIRPC 1.0 */
 #ifndef _rpcsvc_mount_h
 #define _rpcsvc_mount_h
+#include <asm/types.h>
 #define MNTPATHLEN 1024
 #define MNTNAMLEN 255
 #define FHSIZE 32
+#define FHSIZE3 64
 
 typedef char fhandle[FHSIZE];
 #ifdef __cplusplus 
@@ -58,6 +60,41 @@ bool_t xdr_fhandle();
 #endif /* Old Style C */ 
 
 
+typedef struct {
+	u_int fhandle3_len;
+	char *fhandle3_val;
+} fhandle3;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_fhandle3(XDR *, fhandle3*);
+#elif __STDC__ 
+extern  bool_t xdr_fhandle3(XDR *, fhandle3*);
+#else /* Old Style C */ 
+bool_t xdr_fhandle3();
+#endif /* Old Style C */ 
+
+
+enum mountstat3 {
+	MNT_OK = 0,
+	MNT3ERR_PERM = 1,
+	MNT3ERR_NOENT = 2,
+	MNT3ERR_IO = 5,
+	MNT3ERR_ACCES = 13,
+	MNT3ERR_NOTDIR = 20,
+	MNT3ERR_INVAL = 22,
+	MNT3ERR_NAMETOOLONG = 63,
+	MNT3ERR_NOTSUPP = 10004,
+	MNT3ERR_SERVERFAULT = 10006,
+};
+typedef enum mountstat3 mountstat3;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_mountstat3(XDR *, mountstat3*);
+#elif __STDC__ 
+extern  bool_t xdr_mountstat3(XDR *, mountstat3*);
+#else /* Old Style C */ 
+bool_t xdr_mountstat3();
+#endif /* Old Style C */ 
+
+
 struct fhstatus {
 	u_int fhs_status;
 	union {
@@ -74,6 +111,39 @@ bool_t xdr_fhstatus();
 #endif /* Old Style C */ 
 
 
+struct mountres3_ok {
+	fhandle3 fhandle;
+	struct {
+		u_int auth_flavours_len;
+		int *auth_flavours_val;
+	} auth_flavours;
+};
+typedef struct mountres3_ok mountres3_ok;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_mountres3_ok(XDR *, mountres3_ok*);
+#elif __STDC__ 
+extern  bool_t xdr_mountres3_ok(XDR *, mountres3_ok*);
+#else /* Old Style C */ 
+bool_t xdr_mountres3_ok();
+#endif /* Old Style C */ 
+
+
+struct mountres3 {
+	mountstat3 fhs_status;
+	union {
+		mountres3_ok mountinfo;
+	} mountres3_u;
+};
+typedef struct mountres3 mountres3;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_mountres3(XDR *, mountres3*);
+#elif __STDC__ 
+extern  bool_t xdr_mountres3(XDR *, mountres3*);
+#else /* Old Style C */ 
+bool_t xdr_mountres3();
+#endif /* Old Style C */ 
+
+
 typedef char *dirpath;
 #ifdef __cplusplus 
 extern "C" bool_t xdr_dirpath(XDR *, dirpath*);
@@ -321,5 +391,67 @@ extern  exports * mountproc_exportall_2_svc();
 extern  ppathcnf * mountproc_pathconf_2();
 extern  ppathcnf * mountproc_pathconf_2_svc();
 #endif /* Old Style C */ 
+#define MOUNT_V3 ((u_long)3)
+
+#ifdef __cplusplus
+#define MOUNTPROC3_NULL ((u_long)0)
+extern "C" void * mountproc3_null_3(void *, CLIENT *);
+extern "C" void * mountproc3_null_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_MNT ((u_long)1)
+extern "C" mountres3 * mountproc3_mnt_3(dirpath *, CLIENT *);
+extern "C" mountres3 * mountproc3_mnt_3_svc(dirpath *, struct svc_req *);
+#define MOUNTPROC3_DUMP ((u_long)2)
+extern "C" mountlist * mountproc3_dump_3(void *, CLIENT *);
+extern "C" mountlist * mountproc3_dump_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_UMNT ((u_long)3)
+extern "C" void * mountproc3_umnt_3(dirpath *, CLIENT *);
+extern "C" void * mountproc3_umnt_3_svc(dirpath *, struct svc_req *);
+#define MOUNTPROC3_UMNTALL ((u_long)4)
+extern "C" void * mountproc3_umntall_3(void *, CLIENT *);
+extern "C" void * mountproc3_umntall_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_EXPORT ((u_long)5)
+extern "C" exports * mountproc3_export_3(void *, CLIENT *);
+extern "C" exports * mountproc3_export_3_svc(void *, struct svc_req *);
+
+#elif __STDC__
+#define MOUNTPROC3_NULL ((u_long)0)
+extern  void * mountproc3_null_3(void *, CLIENT *);
+extern  void * mountproc3_null_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_MNT ((u_long)1)
+extern  mountres3 * mountproc3_mnt_3(dirpath *, CLIENT *);
+extern  mountres3 * mountproc3_mnt_3_svc(dirpath *, struct svc_req *);
+#define MOUNTPROC3_DUMP ((u_long)2)
+extern  mountlist * mountproc3_dump_3(void *, CLIENT *);
+extern  mountlist * mountproc3_dump_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_UMNT ((u_long)3)
+extern  void * mountproc3_umnt_3(dirpath *, CLIENT *);
+extern  void * mountproc3_umnt_3_svc(dirpath *, struct svc_req *);
+#define MOUNTPROC3_UMNTALL ((u_long)4)
+extern  void * mountproc3_umntall_3(void *, CLIENT *);
+extern  void * mountproc3_umntall_3_svc(void *, struct svc_req *);
+#define MOUNTPROC3_EXPORT ((u_long)5)
+extern  exports * mountproc3_export_3(void *, CLIENT *);
+extern  exports * mountproc3_export_3_svc(void *, struct svc_req *);
+
+#else /* Old Style C */ 
+#define MOUNTPROC3_NULL ((u_long)0)
+extern  void * mountproc3_null_3();
+extern  void * mountproc3_null_3_svc();
+#define MOUNTPROC3_MNT ((u_long)1)
+extern  mountres3 * mountproc3_mnt_3();
+extern  mountres3 * mountproc3_mnt_3_svc();
+#define MOUNTPROC3_DUMP ((u_long)2)
+extern  mountlist * mountproc3_dump_3();
+extern  mountlist * mountproc3_dump_3_svc();
+#define MOUNTPROC3_UMNT ((u_long)3)
+extern  void * mountproc3_umnt_3();
+extern  void * mountproc3_umnt_3_svc();
+#define MOUNTPROC3_UMNTALL ((u_long)4)
+extern  void * mountproc3_umntall_3();
+extern  void * mountproc3_umntall_3_svc();
+#define MOUNTPROC3_EXPORT ((u_long)5)
+extern  exports * mountproc3_export_3();
+extern  exports * mountproc3_export_3_svc();
+#endif /* Old Style C */ 
 
 #endif /* !_NFSMOUNT_H_RPCGEN */
diff --git a/isys/nfsmount.x b/isys/nfsmount.x
new file mode 100644
index 000000000..c27e74b7c
--- /dev/null
+++ b/isys/nfsmount.x
@@ -0,0 +1,337 @@
+%/*
+% * 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 or with the express written consent of
+% * Sun Microsystems, Inc.
+% *
+% * 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) 1985, 1990 by Sun Microsystems, Inc.
+% */
+%
+%/* from @(#)mount.x	1.3 91/03/11 TIRPC 1.0 */
+
+/*
+ * Protocol description for the mount program
+ */
+
+#ifdef RPC_HDR
+%#ifndef _rpcsvc_mount_h
+%#define _rpcsvc_mount_h
+#endif
+
+#ifdef RPC_CLNT
+%#include <string.h>		/* for memset() */
+#endif
+%#include <asm/types.h>
+
+const MOUNTPORT = 635;
+const MNTPATHLEN = 1024;	/* maximum bytes in a pathname argument */
+const MNTNAMLEN = 255;		/* maximum bytes in a name argument */
+const FHSIZE = 32;		/* size in bytes of a file handle */
+const FHSIZE3 = 64;		/* size in bytes of a file handle */
+
+/*
+ * The fhandle is the file handle that the server passes to the client.
+ * All file operations are done using the file handles to refer to a file
+ * or a directory. The file handle can contain whatever information the
+ * server needs to distinguish an individual file.
+ */
+typedef opaque fhandle[FHSIZE];	
+typedef opaque fhandle3<FHSIZE3>;
+
+enum mountstat3 {
+	MNT_OK			= 0,		/* no error */
+	MNT3ERR_PERM		= 1,		/* not owner */
+	MNT3ERR_NOENT		= 2,		/* No such file or directory */
+	MNT3ERR_IO		= 5,		/* I/O error */
+	MNT3ERR_ACCES		= 13,		/* Permission denied */
+	MNT3ERR_NOTDIR		= 20,		/* Not a directory */
+	MNT3ERR_INVAL		= 22,		/* Invalid argument */
+	MNT3ERR_NAMETOOLONG	= 63,		/* File name too long */
+	MNT3ERR_NOTSUPP		= 10004,	/* Operation not supported */
+	MNT3ERR_SERVERFAULT	= 10006		/* A failure on the server */
+};
+
+/*
+ * If a status of zero is returned, the call completed successfully, and 
+ * a file handle for the directory follows. A non-zero status indicates
+ * some sort of error. The status corresponds with UNIX error numbers.
+ */
+union fhstatus switch (unsigned fhs_status) {
+case 0:
+	fhandle fhs_fhandle;
+default:
+	void;
+};
+
+struct mountres3_ok {
+	fhandle3 fhandle;
+	int auth_flavours<>;
+};
+
+union mountres3 switch (mountstat3 fhs_status) {
+case MNT_OK:
+	mountres3_ok mountinfo;
+default:
+	void;
+};
+
+/*
+ * The type dirpath is the pathname of a directory
+ */
+typedef string dirpath<MNTPATHLEN>;
+
+/*
+ * The type name is used for arbitrary names (hostnames, groupnames)
+ */
+typedef string name<MNTNAMLEN>;
+
+/*
+ * A list of who has what mounted
+ */
+typedef struct mountbody *mountlist;
+struct mountbody {
+	name ml_hostname;
+	dirpath ml_directory;
+	mountlist ml_next;
+};
+
+/*
+ * A list of netgroups
+ */
+typedef struct groupnode *groups;
+struct groupnode {
+	name gr_name;
+	groups gr_next;
+};
+
+/*
+ * A list of what is exported and to whom
+ */
+typedef struct exportnode *exports;
+struct exportnode {
+	dirpath ex_dir;
+	groups ex_groups;
+	exports ex_next;
+};
+
+/*
+ * POSIX pathconf information
+ */
+struct ppathcnf {
+	int	pc_link_max;	/* max links allowed */
+	short	pc_max_canon;	/* max line len for a tty */
+	short	pc_max_input;	/* input a tty can eat all at once */
+	short	pc_name_max;	/* max file name length (dir entry) */
+	short	pc_path_max;	/* max path name length (/x/y/x/.. ) */
+	short	pc_pipe_buf;	/* size of a pipe (bytes) */
+	u_char	pc_vdisable;	/* safe char to turn off c_cc[i] */
+	char	pc_xxx;		/* alignment padding; cc_t == char */
+	short	pc_mask[2];	/* validity and boolean bits */
+};
+
+program MOUNTPROG {
+	/*
+	 * Version one of the mount protocol communicates with version two
+	 * of the NFS protocol. The only connecting point is the fhandle 
+	 * structure, which is the same for both protocols.
+	 */
+	version MOUNTVERS {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		fhstatus 
+		MOUNTPROC_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC_EXPORT(void)  = 5;
+
+		/*
+		 * Identical to MOUNTPROC_EXPORT above
+		 */
+		exports
+		MOUNTPROC_EXPORTALL(void) = 6;
+	} = 1;
+
+	/*
+	 * Version two of the mount protocol communicates with version two
+	 * of the NFS protocol.
+	 * The only difference from version one is the addition of a POSIX
+	 * pathconf call.
+	 */
+	version MOUNTVERS_POSIX {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		fhstatus 
+		MOUNTPROC_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC_EXPORT(void)  = 5;
+
+		/*
+		 * Identical to MOUNTPROC_EXPORT above
+		 */
+		exports
+		MOUNTPROC_EXPORTALL(void) = 6;
+
+		/*
+		 * POSIX pathconf info (Sun hack)
+		 */
+		ppathcnf
+		MOUNTPROC_PATHCONF(dirpath) = 7;
+	} = 2;
+	version MOUNT_V3 {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC3_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		mountres3
+		MOUNTPROC3_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC3_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC3_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC3_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC3_EXPORT(void)  = 5;
+
+	} = 3;
+} = 100005;
+
+#ifdef RPC_HDR
+%#endif /*!_rpcsvc_mount_h*/
+#endif
diff --git a/isys/nfsmount_clnt.c b/isys/nfsmount_clnt.c
new file mode 100644
index 000000000..d315ca4f1
--- /dev/null
+++ b/isys/nfsmount_clnt.c
@@ -0,0 +1,298 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#include <memory.h> /* for memset */
+#include "nfsmount.h"
+/*
+ * 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 or with the express written consent of
+ * Sun Microsystems, Inc.
+ *
+ * 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) 1985, 1990 by Sun Microsystems, Inc.
+ */
+
+/* from @(#)mount.x	1.3 91/03/11 TIRPC 1.0 */
+#include <string.h>		/* for memset() */
+#include <asm/types.h>
+
+/* Default timeout can be changed using clnt_control() */
+static struct timeval TIMEOUT = { 25, 0 };
+
+void *
+mountproc_null_1(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_NULL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+fhstatus *
+mountproc_mnt_1(dirpath *argp, CLIENT *clnt)
+{
+	static fhstatus clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_MNT, xdr_dirpath, argp, xdr_fhstatus, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+mountlist *
+mountproc_dump_1(void *argp, CLIENT *clnt)
+{
+	static mountlist clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_DUMP, xdr_void, argp, xdr_mountlist, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+void *
+mountproc_umnt_1(dirpath *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_UMNT, xdr_dirpath, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+void *
+mountproc_umntall_1(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_UMNTALL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+exports *
+mountproc_export_1(void *argp, CLIENT *clnt)
+{
+	static exports clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_EXPORT, xdr_void, argp, xdr_exports, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+exports *
+mountproc_exportall_1(void *argp, CLIENT *clnt)
+{
+	static exports clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_EXPORTALL, xdr_void, argp, xdr_exports, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+void *
+mountproc_null_2(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_NULL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+fhstatus *
+mountproc_mnt_2(dirpath *argp, CLIENT *clnt)
+{
+	static fhstatus clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_MNT, xdr_dirpath, argp, xdr_fhstatus, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+mountlist *
+mountproc_dump_2(void *argp, CLIENT *clnt)
+{
+	static mountlist clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_DUMP, xdr_void, argp, xdr_mountlist, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+void *
+mountproc_umnt_2(dirpath *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_UMNT, xdr_dirpath, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+void *
+mountproc_umntall_2(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_UMNTALL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+exports *
+mountproc_export_2(void *argp, CLIENT *clnt)
+{
+	static exports clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_EXPORT, xdr_void, argp, xdr_exports, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+exports *
+mountproc_exportall_2(void *argp, CLIENT *clnt)
+{
+	static exports clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_EXPORTALL, xdr_void, argp, xdr_exports, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+ppathcnf *
+mountproc_pathconf_2(dirpath *argp, CLIENT *clnt)
+{
+	static ppathcnf clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC_PATHCONF, xdr_dirpath, argp, xdr_ppathcnf, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+void *
+mountproc3_null_3(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_NULL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+mountres3 *
+mountproc3_mnt_3(dirpath *argp, CLIENT *clnt)
+{
+	static mountres3 clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_MNT, xdr_dirpath, argp, xdr_mountres3, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+mountlist *
+mountproc3_dump_3(void *argp, CLIENT *clnt)
+{
+	static mountlist clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_DUMP, xdr_void, argp, xdr_mountlist, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
+
+void *
+mountproc3_umnt_3(dirpath *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_UMNT, xdr_dirpath, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+void *
+mountproc3_umntall_3(void *argp, CLIENT *clnt)
+{
+	static char clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_UMNTALL, xdr_void, argp, xdr_void, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((void *)&clnt_res);
+}
+
+exports *
+mountproc3_export_3(void *argp, CLIENT *clnt)
+{
+	static exports clnt_res;
+
+	memset((char *)&clnt_res, 0, sizeof(clnt_res));
+	if (clnt_call(clnt, MOUNTPROC3_EXPORT, xdr_void, argp, xdr_exports, &clnt_res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&clnt_res);
+}
diff --git a/isys/nfsmount_xdr.c b/isys/nfsmount_xdr.c
new file mode 100644
index 000000000..daca321cc
--- /dev/null
+++ b/isys/nfsmount_xdr.c
@@ -0,0 +1,395 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+
+#include "nfsmount.h"
+/*
+ * 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 or with the express written consent of
+ * Sun Microsystems, Inc.
+ *
+ * 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) 1985, 1990 by Sun Microsystems, Inc.
+ */
+
+/* from @(#)mount.x	1.3 91/03/11 TIRPC 1.0 */
+#include <asm/types.h>
+
+bool_t
+xdr_fhandle(XDR *xdrs, fhandle objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_opaque(xdrs, objp, FHSIZE)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_fhandle3(XDR *xdrs, fhandle3 *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_bytes(xdrs, (char **)&objp->fhandle3_val, (u_int *)&objp->fhandle3_len, FHSIZE3)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_mountstat3(XDR *xdrs, mountstat3 *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_enum(xdrs, (enum_t *)objp)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_fhstatus(XDR *xdrs, fhstatus *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_u_int(xdrs, &objp->fhs_status)) {
+		 return (FALSE);
+	 }
+	switch (objp->fhs_status) {
+	case 0:
+		 if (!xdr_fhandle(xdrs, objp->fhstatus_u.fhs_fhandle)) {
+			 return (FALSE);
+		 }
+		break;
+	default:
+		break;
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_mountres3_ok(XDR *xdrs, mountres3_ok *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_fhandle3(xdrs, &objp->fhandle)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_array(xdrs, (char **)&objp->auth_flavours.auth_flavours_val, (u_int *)&objp->auth_flavours.auth_flavours_len, ~0, sizeof(int), (xdrproc_t)xdr_int)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_mountres3(XDR *xdrs, mountres3 *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_mountstat3(xdrs, &objp->fhs_status)) {
+		 return (FALSE);
+	 }
+	switch (objp->fhs_status) {
+	case MNT_OK:
+		 if (!xdr_mountres3_ok(xdrs, &objp->mountres3_u.mountinfo)) {
+			 return (FALSE);
+		 }
+		break;
+	default:
+		break;
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_dirpath(XDR *xdrs, dirpath *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_string(xdrs, objp, MNTPATHLEN)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_name(XDR *xdrs, name *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_string(xdrs, objp, MNTNAMLEN)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_mountlist(XDR *xdrs, mountlist *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct mountbody), (xdrproc_t)xdr_mountbody)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_mountbody(XDR *xdrs, mountbody *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_name(xdrs, &objp->ml_hostname)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_dirpath(xdrs, &objp->ml_directory)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_mountlist(xdrs, &objp->ml_next)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_groups(XDR *xdrs, groups *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct groupnode), (xdrproc_t)xdr_groupnode)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_groupnode(XDR *xdrs, groupnode *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_name(xdrs, &objp->gr_name)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_groups(xdrs, &objp->gr_next)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_exports(XDR *xdrs, exports *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct exportnode), (xdrproc_t)xdr_exportnode)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_exportnode(XDR *xdrs, exportnode *objp)
+{
+
+	 register long *buf;
+
+	 if (!xdr_dirpath(xdrs, &objp->ex_dir)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_groups(xdrs, &objp->ex_groups)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_exports(xdrs, &objp->ex_next)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}
+
+bool_t
+xdr_ppathcnf(XDR *xdrs, ppathcnf *objp)
+{
+
+	 register long *buf;
+
+	 int i;
+
+	 if (xdrs->x_op == XDR_ENCODE) {
+	 buf = XDR_INLINE(xdrs,6 * BYTES_PER_XDR_UNIT);
+	   if (buf == NULL) {
+		 if (!xdr_int(xdrs, &objp->pc_link_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_max_canon)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_max_input)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_name_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_path_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_pipe_buf)) {
+			 return (FALSE);
+		 }
+
+	  }
+	  else {
+		 IXDR_PUT_LONG(buf,objp->pc_link_max);
+		 IXDR_PUT_SHORT(buf,objp->pc_max_canon);
+		 IXDR_PUT_SHORT(buf,objp->pc_max_input);
+		 IXDR_PUT_SHORT(buf,objp->pc_name_max);
+		 IXDR_PUT_SHORT(buf,objp->pc_path_max);
+		 IXDR_PUT_SHORT(buf,objp->pc_pipe_buf);
+	  }
+	 if (!xdr_u_char(xdrs, &objp->pc_vdisable)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_char(xdrs, &objp->pc_xxx)) {
+		 return (FALSE);
+	 }
+		buf = XDR_INLINE(xdrs,   2  * BYTES_PER_XDR_UNIT);
+		if (buf == NULL) {
+		 if (!xdr_vector(xdrs, (char *)objp->pc_mask, 2, sizeof(short), (xdrproc_t)xdr_short)) {
+			 return (FALSE);
+		 }
+
+	  }
+	  else {
+		{ register short *genp; 
+		  for ( i = 0,genp=objp->pc_mask;
+ 			i < 2; i++){
+				 IXDR_PUT_SHORT(buf,*genp++);
+		   }
+		 };
+	  }
+
+ 	 return (TRUE);
+	} else if (xdrs->x_op == XDR_DECODE) {
+	 buf = XDR_INLINE(xdrs,6 * BYTES_PER_XDR_UNIT);
+	   if (buf == NULL) {
+		 if (!xdr_int(xdrs, &objp->pc_link_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_max_canon)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_max_input)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_name_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_path_max)) {
+			 return (FALSE);
+		 }
+		 if (!xdr_short(xdrs, &objp->pc_pipe_buf)) {
+			 return (FALSE);
+		 }
+
+	  }
+	  else {
+		 objp->pc_link_max = IXDR_GET_LONG(buf);
+		 objp->pc_max_canon = IXDR_GET_SHORT(buf);
+		 objp->pc_max_input = IXDR_GET_SHORT(buf);
+		 objp->pc_name_max = IXDR_GET_SHORT(buf);
+		 objp->pc_path_max = IXDR_GET_SHORT(buf);
+		 objp->pc_pipe_buf = IXDR_GET_SHORT(buf);
+	  }
+	 if (!xdr_u_char(xdrs, &objp->pc_vdisable)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_char(xdrs, &objp->pc_xxx)) {
+		 return (FALSE);
+	 }
+		buf = XDR_INLINE(xdrs,   2  * BYTES_PER_XDR_UNIT);
+		if (buf == NULL) {
+		 if (!xdr_vector(xdrs, (char *)objp->pc_mask, 2, sizeof(short), (xdrproc_t)xdr_short)) {
+			 return (FALSE);
+		 }
+
+	  }
+	  else {
+		{ register short *genp; 
+		  for ( i = 0,genp=objp->pc_mask;
+ 			i < 2; i++){
+				 *genp++ = IXDR_GET_SHORT(buf);
+		   }
+		 };
+	  }
+	 return(TRUE);
+	}
+
+	 if (!xdr_int(xdrs, &objp->pc_link_max)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_short(xdrs, &objp->pc_max_canon)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_short(xdrs, &objp->pc_max_input)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_short(xdrs, &objp->pc_name_max)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_short(xdrs, &objp->pc_path_max)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_short(xdrs, &objp->pc_pipe_buf)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_u_char(xdrs, &objp->pc_vdisable)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_char(xdrs, &objp->pc_xxx)) {
+		 return (FALSE);
+	 }
+	 if (!xdr_vector(xdrs, (char *)objp->pc_mask, 2, sizeof(short), (xdrproc_t)xdr_short)) {
+		 return (FALSE);
+	 }
+	return (TRUE);
+}