Import smbfs-1.4.2.

svn path=/vendor/smbfs/dist/; revision=88282
svn path=/vendor/smbfs/1.4.2/; revision=88284; tag=vendor/smbfs/1.4.2

contrib/smbfs/HISTORY

@@ -1,3 +1,8 @@
+20.12.2001	1.4.2 (interim)
+    - Various merges (but not all) from Darwin project.
+    - Minor man pages corrections.
+    - Support builds in the FreeBSD main tree.
+
 16.04.2001	1.4.1
     - Kernel side of smbfs committed in the FreeBSD-current. It controlled
       by following options: LIBMCHAIN, LIBICONV, NETSMB, NETSMBCRYPTO and SMBFS.

contrib/smbfs/Makefile.inc

@@ -1,4 +1,4 @@
-# $Id: Makefile.inc,v 1.9 2001/04/16 04:34:26 bp Exp $
+# $Id: Makefile.inc,v 1.10 2001/05/03 10:05:47 bp Exp $
 
 .ifmake !clean && !cleandepend
 .if !defined(PREFIX)
@@ -22,6 +22,8 @@ LIBSMB	= ../lib/smb/libsmb.a
 
 .if !exists(${SYSDIR}/netsmb/smb.h)
 CFLAGS	+= -I../kernel
+.else
+CFLAGS	+= -I${SYSDIR}
 .endif
 
 .if defined(SMBGDB)

contrib/smbfs/README

@@ -6,11 +6,14 @@
     This is native SMB/CIFS filesystem (smbfs for short) for FreeBSD.
 It is a complete, kernel side implementation of SMB requester and filesystem.
 
-    Supportted platforms:
+    Supported platform		Comment
-	FreeBSD 4.X
+	FreeBSD 4.X		Port
 
-	FreeBSD-current		kernel module is included in the base source
+	FreeBSD 4.5		Everything available in the base system.
-				tree.
+
+	FreeBSD-current		Everything available in the base system.
+
+	Darwin			maintained in the Darwin's  tree.
 
     I'm would be very grateful for any feedback, bug reports etc.
 

contrib/smbfs/include/netsmb/smb_lib.h

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: smb_lib.h,v 1.22 2001/04/10 05:37:22 bp Exp $
+ * $Id: smb_lib.h,v 1.24 2001/12/20 15:19:43 bp Exp $
  */
 #ifndef _NETSMB_SMB_LIB_H_
 #define _NETSMB_SMB_LIB_H_
@@ -37,7 +37,9 @@
 #include <netsmb/smb.h>
 #include <netsmb/smb_dev.h>
 
+#ifndef SMB_CFG_FILE
 #define	SMB_CFG_FILE	"/usr/local/etc/nsmb.conf"
+#endif
 
 #define	STDPARAM_ARGS	'A':case 'B':case 'C':case 'E':case 'I': \
 		   case 'L':case 'M': \
@@ -208,7 +210,7 @@ int  smb_rq_dstring(struct mbdata *, const char *);
 int  smb_t2_request(struct smb_ctx *, int, int, const char *,
 	int, void *, int, void *, int *, void *, int *, void *);
 
-void smb_simplecrypt(char *dst, const char *src);
+char* smb_simplecrypt(char *dst, const char *src);
 int  smb_simpledecrypt(char *dst, const char *src);
 
 int  m_getm(struct mbuf *, size_t, struct mbuf **);

contrib/smbfs/lib/Makefile.inc

@@ -6,6 +6,8 @@ CFLAGS+= 	-Wall ${BPCFLAGS}
 
 .if !exists(${SYSDIR}/netsmb/smb.h)
 CFLAGS+=	-I${.CURDIR}/../../kernel
+.else
+CFLAGS+=	-I${SYSDIR}
 .endif
 
 .if defined(SMBGDB)

contrib/smbfs/lib/smb/kiconv.c

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: kiconv.c,v 1.2 2001/04/16 04:33:01 bp Exp $
+ * $Id: kiconv.c,v 1.3 2001/08/22 03:31:36 bp Exp $
  */
 
 #include <sys/types.h>
@@ -38,6 +38,11 @@
 #include <ctype.h>
 #include <errno.h>
 
+#ifdef APPLE
+#include <sys/types.h>
+extern uid_t real_uid, eff_uid;
+#endif
+
 int
 kiconv_add_xlat_table(const char *to, const char *from, const u_char *table)
 {
@@ -54,8 +59,17 @@ kiconv_add_xlat_table(const char *to, const char *from, const u_char *table)
 	din.ia_data = table;
 	din.ia_datalen = 256;
 	olen = sizeof(dout);
+#ifdef APPLE
+        seteuid(eff_uid); /* restore setuid root briefly */
+	if (sysctlbyname("net.smb.fs.iconv.add", &dout, &olen, &din, sizeof(din)) == -1) {
+        	seteuid(real_uid); /* and back to real user */
+		return errno;
+	}
+        seteuid(real_uid); /* and back to real user */
+#else
 	if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
 		return errno;
+#endif
 	return 0;
 }
 

contrib/smbfs/lib/smb/nb_name.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Boris Popov
+ * Copyright (c) 2000-2001, Boris Popov
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,10 +29,11 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: nb_name.c,v 1.1 2000/07/16 01:52:07 bp Exp $
+ * $Id: nb_name.c,v 1.2 2001/08/22 03:31:36 bp Exp $
  */
 #include <sys/param.h>
 #include <sys/socket.h>
+#include <sys/mchain.h>		/* for endiand macros */
 
 #include <ctype.h>
 #include <err.h>
@@ -138,8 +139,8 @@ nb_encname_len(const char *str)
 	return len;
 }
 
-#define	NBENCODE(c)	((u_short)(((u_char)(c) >> 4) | \
+#define	NBENCODE(c)	(htoles((u_short)(((u_char)(c) >> 4) | \
-			 (((u_char)(c) & 0xf) << 8)) + 0x4141)
+			 (((u_char)(c) & 0xf) << 8)) + 0x4141))
 
 static void
 memsetw(char *dst, int n, u_short word)

contrib/smbfs/lib/smb/nls.c

@@ -29,14 +29,16 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: nls.c,v 1.8 2001/04/16 12:46:46 bp Exp $
+ * $Id: nls.c,v 1.9 2001/08/22 03:31:36 bp Exp $
  */
 
 #include <sys/types.h>
 #include <sys/iconv.h>
 #include <sys/sysctl.h>
 #include <ctype.h>
+#ifndef APPLE
 #include <dlfcn.h>
+#endif
 #include <errno.h>
 #include <stdio.h>
 #include <strings.h>
@@ -80,6 +82,9 @@ nls_setlocale(const char *name)
 int
 nls_setrecode(const char *local, const char *external)
 {
+#ifdef APPLE
+	return ENOENT;
+#else
 	iconv_t icd;
 
 	if (iconv_loaded == 2)
@@ -113,6 +118,7 @@ nls_setrecode(const char *local, const char *external)
 	}
 	nls_toloc = icd;
 	return 0;
+#endif
 }
 
 char *

contrib/smbfs/lib/smb/subr.c

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: subr.c,v 1.11 2001/04/16 04:33:01 bp Exp $
+ * $Id: subr.c,v 1.12 2001/08/22 03:31:37 bp Exp $
  */
 
 #include <sys/param.h>
@@ -50,6 +50,15 @@
 #include <netsmb/nb_lib.h>
 #include <cflib.h>
 
+#ifdef APPLE
+#include <sysexits.h>
+#include <sys/wait.h>
+#include <mach/mach.h>
+#include <mach/mach_error.h>
+
+uid_t real_uid, eff_uid;
+#endif
+
 extern char *__progname;
 
 static int smblib_initialized;
@@ -174,13 +183,25 @@ smb_dumptree(void)
 	void *p;
 	int error;
 	
+#ifdef APPLE
+	seteuid(eff_uid); /* restore setuid root briefly */
+#endif
 	error = sysctlbyname("net.smb.treedump", NULL, &len, NULL, 0);
+#ifdef APPLE
+	seteuid(real_uid); /* and back to real user */
+#endif
 	if (error)
 		return NULL;
 	p = malloc(len);
 	if (p == NULL)
 		return NULL;
+#ifdef APPLE
+	seteuid(eff_uid); /* restore setuid root briefly */
+#endif
 	error = sysctlbyname("net.smb.treedump", p, &len, NULL, 0);
+#ifdef APPLE
+	seteuid(real_uid); /* and back to real user */
+#endif
 	if (error) {
 		free(p);
 		return NULL;
@@ -188,11 +209,18 @@ smb_dumptree(void)
 	return p;
 }
 
-void
+char *
 smb_simplecrypt(char *dst, const char *src)
 {
 	int ch, pos;
+	char *dp;
 
+	if (dst == NULL) {
+		dst = malloc(4 + 2 * strlen(src));
+		if (dst == NULL)
+			return NULL;
+	}
+	dp = dst;
 	*dst++ = '$';
 	*dst++ = '$';
 	*dst++ = '1';
@@ -208,6 +236,7 @@ smb_simplecrypt(char *dst, const char *src)
 		dst += 2;
 	}
 	*dst = 0;
+	return dp;
 }
 
 int
@@ -241,3 +270,107 @@ smb_simpledecrypt(char *dst, const char *src)
 	*dst = 0;
 	return 0;
 }
+
+
+#ifdef APPLE
+static int
+safe_execv(char *args[])
+{       
+	int	     pid;   
+	union wait      status;
+	
+	pid = fork();  
+	if (pid == 0) {
+		(void)execv(args[0], args);
+		errx(EX_OSERR, "%s: execv %s failed, %s\n", __progname,
+		     args[0], strerror(errno));
+	}
+	if (pid == -1) {
+		fprintf(stderr, "%s: fork failed, %s\n", __progname,
+			strerror(errno));
+		return (1);
+	}
+	if (wait4(pid, (int *)&status, 0, NULL) != pid) {
+		fprintf(stderr, "%s: BUG executing %s command\n", __progname,
+			args[0]);  
+		return (1);
+	} else if (!WIFEXITED(status)) {
+		fprintf(stderr, "%s: %s command aborted by signal %d\n",
+			__progname, args[0], WTERMSIG(status));
+		return (1);
+	} else if (WEXITSTATUS(status)) {
+		fprintf(stderr, "%s: %s command failed, exit status %d: %s\n",
+			__progname, args[0], WEXITSTATUS(status),
+			strerror(WEXITSTATUS(status)));
+		return (1);
+	}       
+	return (0);
+}       
+
+
+void
+dropsuid()
+{
+	/* drop setuid root privs asap */
+	eff_uid = geteuid();
+	real_uid = getuid();
+	seteuid(real_uid);
+	return;
+}
+
+
+static int
+kextisloaded(char * kextname)
+{
+	mach_port_t kernel_port;
+	kmod_info_t *k, *loaded_modules = 0;
+	int err, loaded_count = 0;
+
+	/* on error return not loaded - to make loadsmbvfs fail */
+
+	err = task_for_pid(mach_task_self(), 0, &kernel_port);
+	if (err) {
+		fprintf(stderr, "%s: %s: %s\n", __progname,
+			"unable to get kernel task port",
+			mach_error_string(err));
+		return (0);
+	}
+	err = kmod_get_info(kernel_port, (void *)&loaded_modules,
+			    &loaded_count); /* never freed */
+	if (err) {
+		fprintf(stderr, "%s: %s: %s\n", __progname,
+			"kmod_get_info() failed",
+			mach_error_string(err));
+		return (0);
+	}
+	for (k = loaded_modules; k; k = k->next ? k+1 : 0)
+		if (!strcmp(k->name, kextname))
+			return (1);
+	return (0);
+}
+
+
+#define KEXTLOAD_COMMAND	"/sbin/kextload"
+#define FS_KEXT_DIR		"/System/Library/Extensions/smbfs.kext"
+#define FULL_KEXTNAME		"com.apple.filesystems.smbfs"
+
+
+int
+loadsmbvfs()
+{       
+	const char *kextargs[] = {KEXTLOAD_COMMAND, FS_KEXT_DIR, NULL};
+	int error = 0;
+
+	/*
+	 * temporarily revert to root (required for kextload)
+	 */
+	seteuid(eff_uid);
+	if (!kextisloaded(FULL_KEXTNAME)) {
+		error = safe_execv(kextargs);
+		if (!error)
+			error = !kextisloaded(FULL_KEXTNAME);
+	}
+	seteuid(real_uid); /* and back to real user */
+	return (error);
+}       
+#endif /* APPLE */

contrib/smbfs/mount_smbfs/mntopts.h

@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)mntopts.h	8.7 (Berkeley) 3/29/95
- *	$Id: mntopts.h,v 1.1 2000/03/29 01:26:41 bp Exp $
+ *	$Id: mntopts.h,v 1.2 2001/08/22 03:32:52 bp Exp $
  */
 
 struct mntopt {
@@ -43,19 +43,25 @@ struct mntopt {
 
 /* User-visible MNT_ flags. */
 #define MOPT_ASYNC		{ "async",	0, MNT_ASYNC, 0 }
+#ifndef APPLE
 #define MOPT_NOATIME		{ "atime",	1, MNT_NOATIME, 0 }
+#endif
 #define MOPT_NODEV		{ "dev",	1, MNT_NODEV, 0 }
 #define MOPT_NOEXEC		{ "exec",	1, MNT_NOEXEC, 0 }
 #define MOPT_NOSUID		{ "suid",	1, MNT_NOSUID, 0 }
+#ifndef APPLE
 #define MOPT_NOSYMFOLLOW	{ "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
+#endif
 #define MOPT_RDONLY		{ "rdonly",	0, MNT_RDONLY, 0 }
 #define MOPT_SYNC		{ "sync",	0, MNT_SYNCHRONOUS, 0 }
 #define MOPT_UNION		{ "union",	0, MNT_UNION, 0 }
 #define MOPT_USERQUOTA		{ "userquota",	0, 0, 0 }
 #define MOPT_GROUPQUOTA		{ "groupquota",	0, 0, 0 }
+#ifndef APPLE
 #define MOPT_NOCLUSTERR		{ "clusterr",	1, MNT_NOCLUSTERR, 0 }
 #define MOPT_NOCLUSTERW		{ "clusterw",	1, MNT_NOCLUSTERW, 0 }
 #define MOPT_SUIDDIR		{ "suiddir",	0, MNT_SUIDDIR, 0 }
+#endif
 
 /* Control flags. */
 #define MOPT_FORCE		{ "force",	0, MNT_FORCE, 0 }
@@ -72,6 +78,17 @@ struct mntopt {
 	MOPT_AUTO
 
 /* Standard options which all mounts can understand. */
+#ifdef APPLE
+#define MOPT_STDOPTS							\
+	MOPT_USERQUOTA,							\
+	MOPT_GROUPQUOTA,						\
+	MOPT_FSTAB_COMPAT,						\
+	MOPT_NODEV,							\
+	MOPT_NOEXEC,							\
+	MOPT_NOSUID,							\
+	MOPT_RDONLY,							\
+	MOPT_UNION
+#else
 #define MOPT_STDOPTS							\
 	MOPT_USERQUOTA,							\
 	MOPT_GROUPQUOTA,						\
@@ -86,6 +103,7 @@ struct mntopt {
 	MOPT_UNION,							\
 	MOPT_NOCLUSTERR,						\
 	MOPT_NOCLUSTERW
+#endif /* APPLE */
 
 void getmntopts __P((const char *, const struct mntopt *, int *, int *));
 extern int getmnt_silent;

contrib/smbfs/mount_smbfs/mount_smbfs.8

@@ -1,4 +1,4 @@
-.\" $Id: mount_smbfs.8,v 1.8 2000/06/09 13:52:56 bp Exp $
+.\" $Id: mount_smbfs.8,v 1.9 2001/12/20 15:11:45 bp Exp $
 .Dd Mar 10, 2000
 .Dt MOUNT_SMBFS 8
 .Os FreeBSD
@@ -100,7 +100,7 @@ The values must be specified as octal numbers.
 Default value for the file mode
 is taken from mount point, default value for the dir mode adds execute
 permission where the file mode gives read permission.
-
+.Pp
 Note that these permissions can differ from the rights granted by SMB
 server. 
 .It Fl u Ar uid , Fl g Ar gid
@@ -128,7 +128,6 @@ See
 .Pa ./examples/dot.nsmbrc
 for details.
 .El
-
 .Sh EXAMPLES
 The following examples illustrate how to connect to a SMB server
 .Em SAMBA
@@ -149,10 +148,8 @@ for smbfs mounts:
 .Bd -literal -offset indent
 //guest@samba/public    /smb/public     smbfs  rw,noauto 0   0
 .Ed
-
 .Sh BUGS
 Please report bugs to the author.
-
 .Sh AUTHORS
 .An Boris Popov Aq bp@butya.kz ,
 .Aq bp@freebsd.org

contrib/smbfs/mount_smbfs/mount_smbfs.c

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: mount_smbfs.c,v 1.13 2001/04/16 12:46:46 bp Exp $
+ * $Id: mount_smbfs.c,v 1.15 2001/12/20 15:03:41 bp Exp $
  */
 #include <sys/param.h>
 #include <sys/stat.h>
@@ -71,10 +71,19 @@ main(int argc, char *argv[])
 	struct smb_ctx sctx, *ctx = &sctx;
 	struct smbfs_args mdata;
 	struct stat st;
+#ifdef APPLE
+	extern void dropsuid();
+	extern int loadsmbvfs();
+#else
 	struct vfsconf vfc;
+#endif /* APPLE */
 	char *next;
 	int opt, error, mntflags, caseopt;
 
+
+#ifdef APPLE
+	dropsuid();
+#endif /* APPLE */
 	if (argc == 2) {
 		if (strcmp(argv[1], "-h") == 0) {
 			usage();
@@ -87,6 +96,9 @@ main(int argc, char *argv[])
 	if (argc < 3)
 		usage();
 
+#ifdef APPLE
+	error = loadsmbvfs();
+#else
 	error = getvfsbyname(SMBFS_VFSNAME, &vfc);
 	if (error && vfsisloadable(SMBFS_VFSNAME)) {
 		if(vfsload(SMBFS_VFSNAME))
@@ -94,6 +106,7 @@ main(int argc, char *argv[])
 		endvfsent();
 		error = getvfsbyname(SMBFS_VFSNAME, &vfc);
 	}
+#endif /* APPLE */
 	if (error)
 		errx(EX_OSERR, "SMB filesystem is not available");
 
@@ -204,9 +217,9 @@ main(int argc, char *argv[])
 	if (smb_getextattr(mount_point, &einfo) == 0)
 		errx(EX_OSERR, "can't mount on %s twice", mount_point);
 */
-	if (mdata.uid == -1)
+	if (mdata.uid == (uid_t)-1)
 		mdata.uid = st.st_uid;
-	if (mdata.gid == -1)
+	if (mdata.gid == (gid_t)-1)
 		mdata.gid = st.st_gid;
 	if (mdata.file_mode == 0 )
 		mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);

contrib/smbfs/smbutil/common.h

@@ -15,3 +15,6 @@ void logout_usage(void);
 void lookup_usage(void);
 void print_usage(void);
 void view_usage(void);
+#ifdef APPLE
+extern int loadsmbvfs();
+#endif

contrib/smbfs/smbutil/dumptree.c

@@ -4,6 +4,10 @@
 #include <string.h>
 #include <unistd.h>
 #include <stdlib.h>
+#ifdef APPLE
+#include <err.h>
+#include <sysexits.h>
+#endif
 
 #include <netsmb/smb_lib.h>
 #include <netsmb/smb_conn.h>
@@ -102,6 +106,10 @@ cmd_dumptree(int argc, char *argv[])
 	int *itype;
 
 	printf("SMB connections:\n");
+#ifdef APPLE
+	if (loadsmbvfs())
+		errx(EX_OSERR, "SMB filesystem is not available");
+#endif
 	p = smb_dumptree();
 	if (p == NULL) {
 		printf("None\n");

contrib/smbfs/smbutil/login.c

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: login.c,v 1.5 2001/01/28 07:35:00 bp Exp $
+ * $Id: login.c,v 1.6 2001/08/22 03:33:38 bp Exp $
  */
 #include <sys/param.h>
 #include <sys/errno.h>
@@ -78,6 +78,10 @@ cmd_login(int argc, char *argv[])
 			/*NOTREACHED*/
 		}
 	}
+#ifdef APPLE
+	if (loadsmbvfs())
+		errx(EX_OSERR, "SMB filesystem is not available");
+#endif
 	if (smb_ctx_resolve(ctx) != 0)
 		exit(1);
 	level = ctx->ct_parsedlevel;
@@ -139,6 +143,11 @@ cmd_logout(int argc, char *argv[])
 			/*NOTREACHED*/
 		}
 	}
+#ifdef APPLE
+	error = loadsmbvfs();
+	if (error)
+		errx(EX_OSERR, "SMB filesystem is not available");
+#endif
 	ctx->ct_ssn.ioc_opt &= ~SMBVOPT_CREATE;
 	ctx->ct_sh.ioc_opt &= ~SMBSOPT_CREATE;
 	if (smb_ctx_resolve(ctx) != 0)

contrib/smbfs/smbutil/smbutil.1

@@ -1,4 +1,4 @@
-.\" $Id: smbutil.1,v 1.3 2000/07/17 01:49:27 bp Exp $
+.\" $Id: smbutil.1,v 1.4 2001/12/20 15:11:34 bp Exp $
 .Dd Feb 14, 2000
 .Dt SMBUTIL 1
 .Os
@@ -117,6 +117,7 @@ keeps description for each connection.
 See
 .Pa ./examples/dot.nsmbrc
 for details.
+.El
 .Sh AUTHORS
 .An Boris Popov Aq bp@butya.kz ,
 .Aq bp@freebsd.org

contrib/smbfs/smbutil/smbutil.c

@@ -64,10 +64,9 @@ cmd_crypt(int argc, char *argv[])
 		psw = getpass("Password:");
 	else
 		psw = argv[1];
-	cp = malloc(strlen(psw + 4));
+	cp = smb_simplecrypt(NULL, psw);
 	if (cp == NULL)
 		errx(EX_DATAERR, "out of memory");
-	smb_simplecrypt(cp, psw);
 	printf("%s\n", cp);
 	free(cp);
 	exit(0);
@@ -97,6 +96,11 @@ main(int argc, char *argv[])
 	struct commands *cmd;
 	char *cp;
 	int opt;
+#ifdef APPLE
+        extern void dropsuid();
+
+	dropsuid();
+#endif /* APPLE */
 
 	if (argc < 2)
 		help();

contrib/smbfs/smbutil/view.c

@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: view.c,v 1.7 2001/01/28 07:35:01 bp Exp $
+ * $Id: view.c,v 1.8 2001/08/22 03:33:38 bp Exp $
  */
 #include <sys/param.h>
 #include <sys/errno.h>
@@ -86,6 +86,10 @@ cmd_view(int argc, char *argv[])
 			/*NOTREACHED*/
 		}
 	}
+#ifdef APPLE
+	if (loadsmbvfs())
+		errx(EX_OSERR, "SMB filesystem is not available");
+#endif
 	smb_ctx_setshare(ctx, "IPC$", SMB_ST_ANY);
 	if (smb_ctx_resolve(ctx) != 0)
 		exit(1);