This change from Matt makes rsync invent a simple ACL list for an

[rsync/rsync-patches.git] / acls.diff

After applying this patch, run these commands for a successful build:

    ./prepare-source
    ./configure --enable-acl-support
    make

The program currently complains when the --acls (-A) option is used to copy
from a disk that doesn't support ACLs.  This should be changed to silently 
notice that no ACLs are available to copy.  Of course, trying to write out
ACLs to a non-ACL-supporting disk should complain.

--- old/Makefile.in
+++ new/Makefile.in
@@ -25,15 +25,15 @@ VERSION=@VERSION@
 .SUFFIXES:
 .SUFFIXES: .c .o
 
-HEADERS=byteorder.h config.h errcode.h proto.h rsync.h lib/pool_alloc.h
+HEADERS=byteorder.h config.h errcode.h proto.h rsync.h smb_acls.h lib/pool_alloc.h
 LIBOBJ=lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o \
-	lib/permstring.o lib/pool_alloc.o @LIBOBJS@
+	lib/permstring.o lib/pool_alloc.o lib/sysacls.o @LIBOBJS@
 ZLIBOBJ=zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o \
 	zlib/trees.o zlib/zutil.o zlib/adler32.o zlib/compress.o zlib/crc32.o
 OBJS1=rsync.o generator.o receiver.o cleanup.o sender.o exclude.o util.o \
 	main.o checksum.o match.o syscall.o log.o backup.o
 OBJS2=options.o flist.o io.o compat.o hlink.o token.o uidlist.o socket.o \
-	fileio.o batch.o clientname.o chmod.o
+	fileio.o batch.o clientname.o chmod.o acls.o
 OBJS3=progress.o pipe.o
 DAEMON_OBJ = params.o loadparm.o clientserver.o access.o connection.o authenticate.o
 popt_OBJS=popt/findme.o  popt/popt.o  popt/poptconfig.o \
--- old/acls.c
+++ new/acls.c
@@ -0,0 +1,1224 @@
+/* -*- c-file-style: "linux" -*-
+   Copyright (C) Andrew Tridgell 1996
+   Copyright (C) Paul Mackerras 1996
+
+   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 of the License, 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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* handle passing ACLs between systems */
+
+#include "rsync.h"
+#include "lib/sysacls.h"
+
+#ifdef SUPPORT_ACLS
+
+extern int preserve_acls;
+extern int am_root;
+extern int dry_run;
+extern int orig_umask;
+
+typedef struct {
+	id_t id;
+	uchar access;
+	SMB_ACL_TAG_T tag_type;
+} rsync_ace;
+
+typedef struct {
+	size_t count;
+	size_t malloced;
+	rsync_ace *races;
+} rsync_acl;
+
+static const rsync_acl rsync_acl_initializer = { 0, 0, NULL };
+
+static void expand_rsync_acl(rsync_acl *racl)
+{
+	/* First time through, 0 <= 0, so list is expanded.
+	 * (Diabolical, rsync guys!) */
+	if (racl->malloced <= racl->count) {
+		rsync_ace *new_ptr;
+		size_t new_size = racl->malloced + 10;
+		new_ptr = realloc_array(racl->races, rsync_ace, new_size);
+		if (verbose >= 4) {
+			rprintf(FINFO, "expand rsync_acl to %.0f bytes, did%s move\n",
+				(double) new_size * sizeof racl->races[0],
+				racl->races ? "" : " not");
+		}
+
+		racl->races = new_ptr;
+		racl->malloced = new_size;
+
+		if (!racl->races)
+			out_of_memory("expand_rsync_acl");
+	}
+}
+
+static void rsync_acl_free(rsync_acl *racl)
+{
+	free(racl->races);
+	racl->races = NULL;
+	racl->count = 0;
+	racl->malloced = 0;
+}
+
+static int rsync_ace_sorter(const void *r1, const void *r2)
+{
+	rsync_ace *race1 = (rsync_ace *)r1;
+	SMB_ACL_TAG_T rtag1 = race1->tag_type;
+	id_t rid1 = race1->id;
+	rsync_ace *race2 = (rsync_ace *)r2;
+	SMB_ACL_TAG_T rtag2 = race2->tag_type;
+	id_t rid2 = race2->id;
+	/* start at the extrema */
+	if (rtag1 == SMB_ACL_USER_OBJ || rtag2 == SMB_ACL_MASK)
+		return -1;
+	if (rtag2 == SMB_ACL_USER_OBJ || rtag1 == SMB_ACL_MASK)
+		return 1;
+	/* work inwards */
+	if (rtag1 == SMB_ACL_OTHER)
+		return 1;
+	if (rtag2 == SMB_ACL_OTHER)
+		return -1;
+	/* only SMB_ACL_USERs and SMB_ACL_GROUP*s left */
+	if (rtag1 == SMB_ACL_USER) {
+		switch (rtag2) {
+		case SMB_ACL_GROUP:
+		case SMB_ACL_GROUP_OBJ:
+		case SMB_ACL_OTHER:
+			return -1;
+		}
+		/* both USER */
+		return rid1 == rid2 ? 0 : rid1 < rid2 ? -1 : 1;
+	}
+	if (rtag2 == SMB_ACL_USER)
+		return 1;
+	/* only SMB_ACL_GROUP*s to worry about; kick out GROUP_OBJs first */
+	if (rtag1 == SMB_ACL_GROUP_OBJ)
+		return -1;
+	if (rtag2 == SMB_ACL_GROUP_OBJ)
+		return 1;
+	/* only SMB_ACL_GROUPs left */
+	return rid1 == rid2 ? 0 : rid1 < rid2 ? -1 : 1;
+}
+
+static void sort_rsync_acl(rsync_acl *racl)
+{
+	if (!racl->count)
+		return;
+	qsort((void **)racl->races, racl->count, sizeof racl->races[0],
+	      &rsync_ace_sorter);
+}
+
+static BOOL unpack_smb_acl(rsync_acl *racl, SMB_ACL_T sacl)
+{
+	SMB_ACL_ENTRY_T entry;
+	int rc;
+	const char *errfun;
+	*racl = rsync_acl_initializer;
+	errfun = "sys_acl_get_entry";
+	for (rc = sys_acl_get_entry(sacl, SMB_ACL_FIRST_ENTRY, &entry);
+	     rc == 1;
+	     rc = sys_acl_get_entry(sacl, SMB_ACL_NEXT_ENTRY, &entry)) {
+		SMB_ACL_PERMSET_T permset;
+		void *qualifier;
+		rsync_ace *race;
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		if ((rc = sys_acl_get_tag_type(entry, &race->tag_type))) {
+			errfun = "sys_acl_get_tag_type";
+			break;
+		}
+		if ((rc = sys_acl_get_permset(entry, &permset))) {
+			errfun = "sys_acl_get_tag_type";
+			break;
+		}
+		race->access = (sys_acl_get_perm(permset, SMB_ACL_READ) ? 4 : 0)
+			     | (sys_acl_get_perm(permset, SMB_ACL_WRITE) ? 2 : 0)
+			     | (sys_acl_get_perm(permset, SMB_ACL_EXECUTE) ? 1 : 0);
+		switch (race->tag_type) {
+		case SMB_ACL_USER:
+		case SMB_ACL_GROUP:
+			break;
+		default:
+			continue;
+		}
+		if (!(qualifier = sys_acl_get_qualifier(entry))) {
+			errfun = "sys_acl_get_tag_type";
+			rc = EINVAL;
+			break;
+		}
+		race->id = *((id_t *)qualifier);
+		sys_acl_free_qualifier(qualifier, race->tag_type);
+	}
+	if (rc) {
+		rprintf(FERROR, "unpack_smb_acl: %s(): %s\n",
+			errfun, strerror(errno));
+		rsync_acl_free(racl);
+		return False;
+	}
+	sort_rsync_acl(racl);
+	return True;
+}
+
+static BOOL rsync_acls_equal(const rsync_acl *racl1, const rsync_acl *racl2)
+{
+	rsync_ace *race1, *race2;
+	size_t count = racl1->count;
+	if (count != racl2->count)
+		return False;
+	race1 = racl1->races;
+	race2 = racl2->races;
+	for (; count--; race1++, race2++) {
+		if (race1->tag_type != race2->tag_type
+		 || race1->access != race2->access
+		 || ((race1->tag_type == SMB_ACL_USER
+		   || race1->tag_type == SMB_ACL_GROUP)
+		  && race1->id != race2->id))
+			return False;
+	}
+	return True;
+}
+
+typedef struct {
+	size_t count;
+	size_t malloced;
+	rsync_acl *racls;
+} rsync_acl_list;
+
+static rsync_acl_list _rsync_acl_lists[] = {
+	{ 0, 0, NULL }, /* SMB_ACL_TYPE_ACCESS */
+	{ 0, 0, NULL }  /* SMB_ACL_TYPE_DEFAULT */
+};
+
+static inline rsync_acl_list *rsync_acl_lists(SMB_ACL_TYPE_T type)
+{
+	return type == SMB_ACL_TYPE_ACCESS ? &_rsync_acl_lists[0]
+	    : &_rsync_acl_lists[1];
+}
+
+static void expand_rsync_acl_list(rsync_acl_list *racl_list)
+{
+	/* First time through, 0 <= 0, so list is expanded.
+	 * (Diabolical, rsync guys!) */
+	if (racl_list->malloced <= racl_list->count) {
+		rsync_acl *new_ptr;
+		size_t new_size;
+		if (racl_list->malloced < 1000)
+			new_size = racl_list->malloced + 1000;
+		else
+			new_size = racl_list->malloced * 2;
+		new_ptr = realloc_array(racl_list->racls, rsync_acl, new_size);
+		if (verbose >= 3) {
+			rprintf(FINFO, "expand_rsync_acl_list to %.0f bytes, did%s move\n",
+				(double) new_size * sizeof racl_list->racls[0],
+				racl_list->racls ? "" : " not");
+		}
+
+		racl_list->racls = new_ptr;
+		racl_list->malloced = new_size;
+
+		if (!racl_list->racls)
+			out_of_memory("expand_rsync_acl_list");
+	}
+}
+
+#if 0
+static void free_rsync_acl_list(rsync_acl_list *racl_list)
+{
+	/* Run this in reverse, so references are freed before referents,
+	 * although not currently necessary. */
+	while (racl_list->count--) {
+		rsync_acl *racl = &racl_list->racls[racl_list->count];
+		if (racl)
+			rsync_acl_free(racl);
+	}
+	free(racl_list->racls);
+	racl_list->racls = NULL;
+	racl_list->malloced = 0;
+}
+#endif
+
+static int find_matching_rsync_acl(SMB_ACL_TYPE_T type,
+				   const rsync_acl_list *racl_list,
+				   const rsync_acl *racl)
+{
+	static int access_match = -1, default_match = -1;
+	int *match = (type == SMB_ACL_TYPE_ACCESS) ?
+			&access_match : &default_match;
+	size_t count = racl_list->count;
+	/* If this is the first time through or we didn't match the last
+	 * time, then start at the end of the list, which should be the
+	 * best place to start hunting. */
+	if (*match == -1)
+		*match = racl_list->count - 1;
+	while (count--) {
+		if (rsync_acls_equal(&racl_list->racls[*match], racl))
+			return *match;
+		if (!(*match)--)
+			*match = racl_list->count - 1;
+	}
+	*match = -1;
+	return *match;
+}
+
+/* The general strategy with the tag_type <-> character mapping is that
+ * lowercase implies that no qualifier follows, where uppercase does.
+ * A similar idiom for the acl type (access or default) itself, but
+ * lowercase in this instance means there's no ACL following, so the
+ * ACL is a repeat, so the receiver should reuse the last of the same
+ * type ACL. */
+
+static void send_rsync_acl(int f, const rsync_acl *racl)
+{
+	rsync_ace *race;
+	size_t count = racl->count;
+	write_int(f, count);
+	for (race = racl->races; count--; race++) {
+		char ch;
+		switch (race->tag_type) {
+		case SMB_ACL_USER_OBJ:
+			ch = 'u';
+			break;
+		case SMB_ACL_USER:
+			ch = 'U';
+			break;
+		case SMB_ACL_GROUP_OBJ:
+			ch = 'g';
+			break;
+		case SMB_ACL_GROUP:
+			ch = 'G';
+			break;
+		case SMB_ACL_OTHER:
+			ch = 'o';
+			break;
+		case SMB_ACL_MASK:
+			ch = 'm';
+			break;
+		default:
+			rprintf(FERROR,
+				"send_rsync_acl: unknown tag_type (%02x) on ACE; disregarding\n",
+				race->tag_type);
+			continue;
+		}
+		write_byte(f, ch);
+		write_byte(f, race->access);
+		if (isupper((int)ch)) {
+			write_int(f, race->id);
+			/* FIXME: sorta wasteful: we should maybe buffer as
+			 * many ids as max(ACL_USER + ACL_GROUP) objects to
+			 * keep from making so many calls. */
+			if (ch == 'U')
+				add_uid(race->id);
+			else
+				add_gid(race->id);
+		}
+	}
+}
+
+static rsync_acl _curr_rsync_acls[2];
+
+
+static const char *str_acl_type(SMB_ACL_TYPE_T type)
+{
+	return type == SMB_ACL_TYPE_ACCESS ? "SMB_ACL_TYPE_ACCESS" :
+		type == SMB_ACL_TYPE_DEFAULT ? "SMB_ACL_TYPE_DEFAULT" :
+		"unknown SMB_ACL_TYPE_T";
+}
+
+/*
+ * Overwrite racl with a new three-entry ACL from the given permissions.
+ */
+static void perms_to_acl(int perms, rsync_acl *racl)
+{
+	racl->count = 0;
+	expand_rsync_acl(racl);
+	racl->races[racl->count].tag_type = SMB_ACL_USER_OBJ;
+	racl->races[racl->count++].access = (perms >> 6) & 7;
+	expand_rsync_acl(racl);
+	racl->races[racl->count].tag_type = SMB_ACL_GROUP_OBJ;
+	racl->races[racl->count++].access = (perms >> 3) & 7;
+	expand_rsync_acl(racl);
+	racl->races[racl->count].tag_type = SMB_ACL_OTHER;
+	racl->races[racl->count++].access = (perms >> 0) & 7;
+}
+
+/* Generate the ACL(s) for this flist entry;
+ * ACL(s) are either sent or cleaned-up by send_acl() below. */
+
+int make_acl(const struct file_struct *file, const char *fname)
+{
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	rsync_acl *curr_racl;
+	if (!preserve_acls || S_ISLNK(file->mode))
+		return 1;
+	for (type = &types[0], curr_racl = &_curr_rsync_acls[0];
+	     type < &types[0] + sizeof types / sizeof types[0]
+		&& (*type == SMB_ACL_TYPE_ACCESS || S_ISDIR(file->mode));
+	     type++, curr_racl++) {
+		SMB_ACL_T sacl;
+		BOOL ok;
+		*curr_racl = rsync_acl_initializer;
+		if ((sacl = sys_acl_get_file(fname, *type)) != 0) {
+			ok = unpack_smb_acl(curr_racl, sacl);
+			sys_acl_free_acl(sacl);
+			if (!ok)
+				return -1;
+		} else if (errno == ENOTSUP) {
+			/* ACLs are not supported.  Invent an access ACL from
+			 * permissions; let the default ACL default to empty. */
+			if (*type == SMB_ACL_TYPE_ACCESS)
+				perms_to_acl(file->mode & ACCESSPERMS, curr_racl);
+		} else {
+			rprintf(FERROR, "send_acl: sys_acl_get_file(%s, %s): %s\n",
+				fname, str_acl_type(*type), strerror(errno));
+			return -1;
+		}
+	}
+	return 0;
+}
+
+/* Send the make_acl()-generated ACLs for this flist entry,
+ * or clean up after an flist entry that's not being sent (f == -1). */
+
+void send_acl(const struct file_struct *file, int f)
+{
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	rsync_acl *curr_racl;
+	if (!preserve_acls || S_ISLNK(file->mode))
+		return;
+	for (type = &types[0], curr_racl = &_curr_rsync_acls[0];
+	     type < &types[0] + sizeof types / sizeof types[0]
+		&& (*type == SMB_ACL_TYPE_ACCESS || S_ISDIR(file->mode));
+	     type++, curr_racl++) {
+		int index;
+		rsync_acl_list *racl_list = rsync_acl_lists(*type);
+		if (f == -1) {
+			rsync_acl_free(curr_racl);
+			continue;
+		}
+		if ((index = find_matching_rsync_acl(*type, racl_list, curr_racl))
+		    != -1) {
+			write_byte(f, *type == SMB_ACL_TYPE_ACCESS ? 'a' : 'd');
+			write_int(f, index);
+			rsync_acl_free(curr_racl);
+		} else {
+			write_byte(f, *type == SMB_ACL_TYPE_ACCESS ? 'A' : 'D');
+			send_rsync_acl(f, curr_racl);
+			expand_rsync_acl_list(racl_list);
+			racl_list->racls[racl_list->count++] = *curr_racl;
+		}
+	}
+}
+
+/* The below stuff is only used by the receiver: */
+
+/* structure to hold index to rsync_acl_list member corresponding to
+ * flist->files[i] */
+
+typedef struct {
+	const struct file_struct *file;
+	int aclidx;
+} file_acl_index;
+
+typedef struct {
+	size_t count;
+	size_t malloced;
+	file_acl_index *fileaclidxs;
+} file_acl_index_list;
+
+static file_acl_index_list _file_acl_index_lists[] = {
+	{0, 0, NULL },/* SMB_ACL_TYPE_ACCESS */
+	{0, 0, NULL } /* SMB_ACL_TYPE_DEFAULT */
+};
+
+static inline file_acl_index_list *file_acl_index_lists(SMB_ACL_TYPE_T type)
+{
+	return type == SMB_ACL_TYPE_ACCESS ?
+		&_file_acl_index_lists[0] : &_file_acl_index_lists[1];
+}
+
+static void expand_file_acl_index_list(file_acl_index_list *fileaclidx_list)
+{
+	/* First time through, 0 <= 0, so list is expanded.
+	 * (Diabolical, rsync guys!) */
+	if (fileaclidx_list->malloced <= fileaclidx_list->count) {
+		file_acl_index *new_ptr;
+		size_t new_size;
+		if (fileaclidx_list->malloced < 1000)
+			new_size = fileaclidx_list->malloced + 1000;
+		else
+			new_size = fileaclidx_list->malloced * 2;
+		new_ptr = realloc_array(fileaclidx_list->fileaclidxs, file_acl_index, new_size);
+		if (verbose >= 3) {
+			rprintf(FINFO, "expand_file_acl_index_list to %.0f bytes, did%s move\n",
+				(double) new_size * sizeof fileaclidx_list->fileaclidxs[0],
+				fileaclidx_list->fileaclidxs ? "" : " not");
+		}
+
+		fileaclidx_list->fileaclidxs = new_ptr;
+		fileaclidx_list->malloced = new_size;
+
+		if (!fileaclidx_list->fileaclidxs)
+			out_of_memory("expand_file_acl_index_list");
+	}
+}
+
+#if 0
+static void free_file_acl_index_list(file_acl_index_list *fileaclidx_list)
+{
+	free(fileaclidx_list->fileaclidxs);
+	fileaclidx_list->fileaclidxs = NULL;
+	fileaclidx_list->malloced = 0;
+}
+#endif
+
+/* lists to hold the SMB_ACL_Ts corresponding to the rsync_acl_list entries */
+
+typedef struct {
+	size_t count;
+	size_t malloced;
+	SMB_ACL_T *sacls;
+} smb_acl_list;
+
+static smb_acl_list _smb_acl_lists[] = {
+	{ 0, 0, NULL }, /* SMB_ACL_TYPE_ACCESS */
+	{ 0, 0, NULL }  /* SMB_ACL_TYPE_DEFAULT */
+};
+
+static inline smb_acl_list *smb_acl_lists(SMB_ACL_TYPE_T type)
+{
+	return type == SMB_ACL_TYPE_ACCESS ? &_smb_acl_lists[0] :
+		&_smb_acl_lists[1];
+}
+
+static void expand_smb_acl_list(smb_acl_list *sacl_list)
+{
+	/* First time through, 0 <= 0, so list is expanded.
+	 * (Diabolical, rsync guys!) */
+	if (sacl_list->malloced <= sacl_list->count) {
+		SMB_ACL_T *new_ptr;
+		size_t new_size;
+		if (sacl_list->malloced < 1000)
+			new_size = sacl_list->malloced + 1000;
+		else
+			new_size = sacl_list->malloced * 2;
+		new_ptr = realloc_array(sacl_list->sacls, SMB_ACL_T, new_size);
+		if (verbose >= 3) {
+			rprintf(FINFO, "expand_smb_acl_list to %.0f bytes, did%s move\n",
+				(double) new_size * sizeof sacl_list->sacls[0],
+				sacl_list->sacls ? "" : " not");
+		}
+
+		sacl_list->sacls = new_ptr;
+		sacl_list->malloced = new_size;
+
+		if (!sacl_list->sacls)
+			out_of_memory("expand_smb_acl_list");
+	}
+}
+
+#if 0
+static void free_smb_acl_list(SMB_ACL_TYPE_T type)
+{
+	smb_acl_list *sacl_list = smb_acl_lists(type);
+	SMB_ACL_T *sacl = sacl_list->sacls;
+	while (sacl_list->count--) {
+		if (*sacl)
+			sys_acl_free_acl(*sacl++);
+	}
+	free(sacl_list->sacls);
+	sacl_list->sacls = NULL;
+	sacl_list->malloced = 0;
+}
+#endif
+
+/* build an SMB_ACL_T corresponding to an rsync_acl */
+static BOOL pack_smb_acl(SMB_ACL_T *smb_acl, const rsync_acl *racl)
+{
+	size_t count = racl->count;
+	rsync_ace *race = racl->races;
+	const char *errfun = NULL;
+	*smb_acl = sys_acl_init(count);
+	if (!*smb_acl) {
+		rprintf(FERROR, "pack_smb_acl: sys_acl_int(): %s\n",
+			strerror(errno));
+		return False;
+	}
+	for (; count--; race++) {
+		SMB_ACL_ENTRY_T entry;
+		SMB_ACL_PERMSET_T permset;
+		if (sys_acl_create_entry(smb_acl, &entry)) {
+			errfun = "sys_acl_create)";
+			break;
+		}
+		if (sys_acl_set_tag_type(entry, race->tag_type)) {
+			errfun = "sys_acl_set_tag";
+			break;
+		}
+		if (race->tag_type == SMB_ACL_USER ||
+		    race->tag_type == SMB_ACL_GROUP)
+			if (sys_acl_set_qualifier(entry, (void*)&race->id)) {
+				errfun = "sys_acl_set_qualfier";
+				break;
+			}
+		if (sys_acl_get_permset(entry, &permset)) {
+			errfun = "sys_acl_get_permset";
+			break;
+		}
+		if (sys_acl_clear_perms(permset)) {
+			errfun = "sys_acl_clear_perms";
+			break;
+		}
+		if (race->access & 4)
+			if (sys_acl_add_perm(permset, SMB_ACL_READ)) {
+				errfun = "sys_acl_add_perm";
+				break;
+			}
+		if (race->access & 2)
+			if (sys_acl_add_perm(permset, SMB_ACL_WRITE)) {
+				errfun = "sys_acl_add_perm";
+				break;
+			}
+		if (race->access & 1)
+			if (sys_acl_add_perm(permset, SMB_ACL_EXECUTE)) {
+				errfun = "sys_acl_add_perm";
+				break;
+			}
+		if (sys_acl_set_permset(entry, permset)) {
+			errfun = "sys_acl_set_permset";
+			break;
+		}
+	}
+	if (errfun) {
+		sys_acl_free_acl(*smb_acl);
+		rprintf(FERROR, "pack_smb_acl %s(): %s\n", errfun,
+			strerror(errno));
+		return False;
+	}
+	return True;
+}
+
+static void receive_rsync_acl(rsync_acl *racl, int f)
+{
+#if ACLS_NEED_MASK
+	uchar required_mask_perm = 0;
+#endif
+	BOOL saw_mask = False;
+	BOOL saw_user_obj = False, saw_group_obj = False,
+		saw_other = False;
+	size_t count = read_int(f);
+	rsync_ace *race;
+	if (!count)
+		return;
+	while (count--) {
+		uchar tag = read_byte(f);
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		switch (tag) {
+		case 'u':
+			race->tag_type = SMB_ACL_USER_OBJ;
+			saw_user_obj = True;
+			break;
+		case 'U':
+			race->tag_type = SMB_ACL_USER;
+			break;
+		case 'g':
+			race->tag_type = SMB_ACL_GROUP_OBJ;
+			saw_group_obj = True;
+			break;
+		case 'G':
+			race->tag_type = SMB_ACL_GROUP;
+			break;
+		case 'o':
+			race->tag_type = SMB_ACL_OTHER;
+			saw_other = True;
+			break;
+		case 'm':
+			race->tag_type = SMB_ACL_MASK;
+			saw_mask = True;
+			break;
+		default:
+			rprintf(FERROR, "receive_rsync_acl: unknown tag %c\n",
+				tag);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		race->access = read_byte(f);
+		if (race->access & ~ (4 | 2 | 1)) {
+			rprintf(FERROR, "receive_rsync_acl: bogus permset %o\n",
+				race->access);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		if (race->tag_type == SMB_ACL_USER ||
+		    race->tag_type == SMB_ACL_GROUP) {
+			race->id = read_int(f);
+#if ACLS_NEED_MASK
+			required_mask_perm |= race->access;
+#endif
+		}
+#if ACLS_NEED_MASK
+		else if (race->tag_type == SMB_ACL_GROUP_OBJ)
+			required_mask_perm |= race->access;
+#endif
+
+	}
+	if (!saw_user_obj) {
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		race->tag_type = SMB_ACL_USER_OBJ;
+		race->access = 7;
+	}
+	if (!saw_group_obj) {
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		race->tag_type = SMB_ACL_GROUP_OBJ;
+		race->access = 0;
+	}
+	if (!saw_other) {
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		race->tag_type = SMB_ACL_OTHER;
+		race->access = 0;
+	}
+#if ACLS_NEED_MASK
+	if (!saw_mask) {
+		expand_rsync_acl(racl);
+		race = &racl->races[racl->count++];
+		race->tag_type = SMB_ACL_MASK;
+		race->access = required_mask_perm;
+	}
+#else
+	/* If we, a system without ACLS_NEED_MASK, received data from a
+	 * system that has masks, throw away the extraneous CLASS_OBJs. */
+	if (saw_mask && racl->count == 4) {
+		rsync_ace *group_obj_race = NULL, *mask_race = NULL;
+		rsync_ace *p;
+		size_t i;
+		for (i = 0, p = racl->races; i < racl->count; i++, p++) {
+			if (p->tag_type == SMB_ACL_MASK)
+				mask_race = p;
+			else if (p->tag_type == SMB_ACL_GROUP_OBJ)
+				group_obj_race = p;
+		}
+		if (mask_race == NULL || group_obj_race == NULL) {
+			rprintf(FERROR, "receive_rsync_acl: have four ACES "
+					"and one's ACL_MASK but missing "
+					"either it or ACL_GROUP_OBJ, "
+					"when pruning ACL\n");
+		} else {
+			/* mask off group perms with it first */
+			group_obj_race->access &= mask_race->access;
+			/* dump mask_race; re-slot any followers-on */
+			racl->count--;
+			if (mask_race != &racl->races[racl->count]) {
+				*mask_race = racl->races[racl->count];
+				saw_user_obj = False; /* force re-sort */
+			}
+		}
+	}
+#endif
+#if ACLS_NEED_MASK
+	if (!(saw_user_obj && saw_group_obj && saw_other && saw_mask))
+#else
+	if (!(saw_user_obj && saw_group_obj && saw_other))
+#endif
+		sort_rsync_acl(racl);
+}
+
+/* receive and build the rsync_acl_lists */
+
+void receive_acl(struct file_struct *file, int f)
+{
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	char *fname;
+	if (!preserve_acls || S_ISLNK(file->mode))
+		return;
+	fname = f_name(file, NULL);
+	for (type = &types[0];
+	     type < &types[0] + sizeof types / sizeof types[0]
+		&& (*type == SMB_ACL_TYPE_ACCESS || S_ISDIR(file->mode));
+	     type++) {
+		file_acl_index_list *fileaclidx_list =
+			file_acl_index_lists(*type);
+		uchar tag;
+		expand_file_acl_index_list(fileaclidx_list);
+
+		tag = read_byte(f);
+		if (tag == 'A' || tag == 'a') {
+			if (*type != SMB_ACL_TYPE_ACCESS) {
+				rprintf(FERROR, "receive_acl %s: duplicate access ACL\n",
+					fname);
+				exit_cleanup(RERR_STREAMIO);
+			}
+		} else if (tag == 'D' || tag == 'd') {
+			if (*type == SMB_ACL_TYPE_ACCESS) {
+				rprintf(FERROR, "receive_acl %s: expecting access ACL; got default\n",
+					fname);
+				exit_cleanup(RERR_STREAMIO);
+			}
+		} else {
+			rprintf(FERROR, "receive_acl %s: unknown ACL type tag: %c\n",
+				fname, tag);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		if (tag == 'A' || tag == 'D') {
+			rsync_acl racl = rsync_acl_initializer;
+			rsync_acl_list *racl_list = rsync_acl_lists(*type);
+			smb_acl_list *sacl_list = smb_acl_lists(*type);
+			fileaclidx_list->fileaclidxs[fileaclidx_list->count].
+				aclidx = racl_list->count;
+			fileaclidx_list->fileaclidxs[fileaclidx_list->count++].
+				file = file;
+			receive_rsync_acl(&racl, f);
+			expand_rsync_acl_list(racl_list);
+			racl_list->racls[racl_list->count++] = racl;
+			expand_smb_acl_list(sacl_list);
+			sacl_list->sacls[sacl_list->count++] = NULL;
+		} else {
+			int index = read_int(f);
+			rsync_acl_list *racl_list = rsync_acl_lists(*type);
+			if ((size_t) index >= racl_list->count) {
+				rprintf(FERROR, "receive_acl %s: %s ACL index %d out of range\n",
+					fname,
+					str_acl_type(*type),
+					index);
+				exit_cleanup(RERR_STREAMIO);
+			}
+			fileaclidx_list->fileaclidxs[fileaclidx_list->count].
+				aclidx = index;
+			fileaclidx_list->fileaclidxs[fileaclidx_list->count++].
+				file = file;
+		}
+	}
+}
+
+static int file_acl_index_list_sorter(const void *f1, const void *f2)
+{
+	const file_acl_index *fileaclidx1 = (const file_acl_index *)f1;
+	const file_acl_index *fileaclidx2 = (const file_acl_index *)f2;
+	return fileaclidx1->file == fileaclidx2->file ? 0 :
+		fileaclidx1->file < fileaclidx2->file ? -1 : 1;
+}
+
+void sort_file_acl_index_lists()
+{
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	if (!preserve_acls)
+		return;
+	for (type = &types[0];
+	     type < &types[0] + sizeof types / sizeof types[0];
+	     type++)
+	{
+		file_acl_index_list *fileaclidx_list =
+			file_acl_index_lists(*type);
+		if (!fileaclidx_list->count)
+			continue;
+		qsort(fileaclidx_list->fileaclidxs, fileaclidx_list->count,
+		      sizeof fileaclidx_list->fileaclidxs[0],
+		      &file_acl_index_list_sorter);
+	}
+}
+
+static int find_file_acl_index(const file_acl_index_list *fileaclidx_list,
+			       const struct file_struct *file) {
+	int low = 0, high = fileaclidx_list->count;
+	const struct file_struct *file_mid;
+	if (!high--)
+		return -1;
+	do {
+		int mid = (high + low) / 2;
+		file_mid = fileaclidx_list->fileaclidxs[mid].file;
+		if (file_mid == file)
+			return fileaclidx_list->fileaclidxs[mid].aclidx;
+		if (file_mid > file)
+			high = mid - 1;
+		else
+			low = mid + 1;
+	} while (low < high);
+	if (low == high) {
+		file_mid = fileaclidx_list->fileaclidxs[low].file;
+		if (file_mid == file)
+			return fileaclidx_list->fileaclidxs[low].aclidx;
+	}
+	rprintf(FERROR,
+		"find_file_acl_index: can't find entry for file in list\n");
+	exit_cleanup(RERR_STREAMIO);
+	return -1;
+}
+
+/* for duplicating ACLs on backups when using backup_dir */
+
+int dup_acl(const char *orig, const char *bak, mode_t mode)
+{
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	int ret = 0;
+	if (!preserve_acls)
+		return 1;
+	for (type = &types[0];
+	     type < &types[0] + sizeof types / sizeof types[0]
+		 && (*type == SMB_ACL_TYPE_ACCESS || S_ISDIR(mode));
+	     type++) {
+		SMB_ACL_T sacl_orig, sacl_bak;
+		rsync_acl racl_orig, racl_bak;
+		if (!(sacl_orig = sys_acl_get_file(orig, *type))) {
+			rprintf(FERROR, "dup_acl: sys_acl_get_file(%s, %s): %s\n",
+				orig, str_acl_type(*type), strerror(errno));
+			ret = -1;
+			continue;
+		}
+		if (!(sacl_bak = sys_acl_get_file(orig, *type))) {
+			rprintf(FERROR, "dup_acl: sys_acl_get_file(%s, %s): %s. ignoring\n",
+				bak, str_acl_type(*type), strerror(errno));
+			ret = -1;
+			/* try to forge on through */
+		}
+		if (!unpack_smb_acl(&racl_orig, sacl_orig)) {
+			ret = -1;
+			goto out_with_sacls;
+		}
+		if (sacl_bak) {
+			if (!unpack_smb_acl(&racl_bak, sacl_bak)) {
+				ret = -1;
+				goto out_with_one_racl;
+			}
+			if (rsync_acls_equal(&racl_orig, &racl_bak))
+				goto out_with_all;
+		} else {
+			; /* presume they're unequal */
+		}
+		if (*type == SMB_ACL_TYPE_DEFAULT && !racl_orig.count) {
+			if (sys_acl_delete_def_file(bak) < 0) {
+				rprintf(FERROR, "dup_acl: sys_acl_delete_def_file(%s): %s\n",
+					bak, strerror(errno));
+				ret = -1;
+			}
+		} else if (sys_acl_set_file(bak, *type, sacl_bak) < 0) {
+			rprintf(FERROR, "dup_acl: sys_acl_set_file(%s, %s): %s\n",
+				bak, str_acl_type(*type), strerror(errno));
+			ret = -1;
+		}
+		out_with_all:
+			if (sacl_bak)
+				rsync_acl_free(&racl_bak);
+		out_with_one_racl:
+			rsync_acl_free(&racl_orig);
+		out_with_sacls:
+			if (sacl_bak)
+				sys_acl_free_acl(sacl_bak);
+		/* out_with_one_sacl: */
+			if (sacl_orig)
+				sys_acl_free_acl(sacl_orig);
+	}
+	return ret;
+}
+
+/* Stuff for redirecting calls to set_acl() from set_file_attrs()
+ * for keep_backup(). */
+static const struct file_struct *backup_orig_file = NULL;
+static const char null_string[] = "";
+static const char *backup_orig_fname = null_string;
+static const char *backup_dest_fname = null_string;
+static SMB_ACL_T _backup_sacl[] = { NULL, NULL };
+
+void push_keep_backup_acl(const struct file_struct *file,
+			  const char *orig, const char *dest)
+{
+	if (preserve_acls) {
+		SMB_ACL_TYPE_T *type,
+			types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+		SMB_ACL_T *sacl;
+		backup_orig_file = file;
+		backup_orig_fname = orig;
+		backup_dest_fname = dest;
+		for (type = &types[0], sacl = &_backup_sacl[0];
+		     type < &types[0] + sizeof types / sizeof types[0];
+		     type++) {
+			if (*type == SMB_ACL_TYPE_DEFAULT && !S_ISDIR(file->mode))
+				*sacl = NULL;
+			else {
+				if (!(*sacl = sys_acl_get_file(orig, *type))) {
+					rprintf(FERROR, "push_keep_backup_acl: sys_acl_get_file(%s, %s): %s\n",
+						orig, str_acl_type(*type),
+						strerror(errno));
+				}
+			}
+		}
+	}
+}
+
+static int set_keep_backup_acl()
+{
+	if (preserve_acls) {
+		SMB_ACL_TYPE_T *type,
+			types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+		SMB_ACL_T *sacl;
+		int ret = 0;
+		for (type = &types[0], sacl = &_backup_sacl[0];
+		     type < &types[0] + sizeof types / sizeof types[0];
+		     type++) {
+			if (*sacl) {
+				if (sys_acl_set_file(backup_dest_fname,
+						     *type, *sacl) < 0) {
+					rprintf(FERROR, "push_keep_backup_acl: sys_acl_get_file(%s, %s): %s\n",
+						backup_dest_fname,
+						str_acl_type(*type),
+						strerror(errno));
+					ret = -1;
+				}
+			}
+		}
+		return ret;
+	}
+	return 1;
+}
+
+void cleanup_keep_backup_acl()
+{
+	if (preserve_acls) {
+		SMB_ACL_TYPE_T *type,
+			types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+		SMB_ACL_T *sacl;
+		backup_orig_file = NULL;
+		backup_orig_fname = null_string;
+		backup_dest_fname = null_string;
+		for (type = &types[0], sacl = &_backup_sacl[0];
+		     type < &types[0] + sizeof types / sizeof types[0];
+		     type++) {
+			if (*sacl)
+				sys_acl_free_acl(*sacl);
+			*sacl = NULL;
+		}
+	}
+}
+
+/* set ACL on rsync-ed or keep_backup-ed file */
+
+int set_acl(const char *fname, const struct file_struct *file)
+{
+	int unchanged = 1;
+	SMB_ACL_TYPE_T *type,
+		types[] = {SMB_ACL_TYPE_ACCESS, SMB_ACL_TYPE_DEFAULT};
+	if (dry_run || !preserve_acls || S_ISLNK(file->mode))
+		return 1;
+	if (file == backup_orig_file) {
+		if (!strcmp(fname, backup_dest_fname))
+			return set_keep_backup_acl();
+	}
+	for (type = &types[0];
+	     type < &types[0] + sizeof  types / sizeof types[0]
+		&& (*type == SMB_ACL_TYPE_ACCESS || S_ISDIR(file->mode));
+	     type++) {
+		SMB_ACL_T sacl_orig, *sacl_new;
+		rsync_acl racl_orig, *racl_new;
+		int aclidx = find_file_acl_index(file_acl_index_lists(*type),
+						 file);
+		BOOL ok;
+		racl_new = &(rsync_acl_lists(*type)->racls[aclidx]);
+		sacl_new = &(smb_acl_lists(*type)->sacls[aclidx]);
+		sacl_orig = sys_acl_get_file(fname, *type);
+		if (!sacl_orig) {
+			rprintf(FERROR, "set_acl: sys_acl_get_file(%s, %s): %s\n",
+				fname, str_acl_type(*type), strerror(errno));
+			unchanged = -1;
+			continue;
+		}
+		ok = unpack_smb_acl(&racl_orig, sacl_orig);
+		sys_acl_free_acl(sacl_orig);
+		if (!ok) {
+			unchanged = -1;
+			continue;
+		}
+		ok = rsync_acls_equal(&racl_orig, racl_new);
+		rsync_acl_free(&racl_orig);
+		if (ok)
+			continue;
+		if (*type == SMB_ACL_TYPE_DEFAULT && !racl_new->count) {
+			if (sys_acl_delete_def_file(fname) < 0) {
+				rprintf(FERROR, "set_acl: sys_acl_delete_def_file(%s): %s\n",
+					fname, strerror(errno));
+				unchanged = -1;
+				continue;
+			}
+		} else {
+			if (!*sacl_new)
+				if (!pack_smb_acl(sacl_new, racl_new)) {
+					unchanged = -1;
+					continue;
+				}
+			if (sys_acl_set_file(fname, *type, *sacl_new) < 0) {
+				rprintf(FERROR, "set_acl: sys_acl_set_file(%s, %s): %s\n",
+					fname, str_acl_type(*type),
+					strerror(errno));
+				unchanged = -1;
+				continue;
+			}
+		}
+		if (unchanged == 1)
+			unchanged = 0;
+	}
+	return unchanged;
+}
+
+/* Enumeration functions for uid mapping: */
+
+/* Context -- one and only one.  Should be cycled through once on uid
+ * mapping and once on gid mapping. */
+static rsync_acl_list *_enum_racl_lists[] = {
+	&_rsync_acl_lists[0], &_rsync_acl_lists[1], NULL
+};
+
+static rsync_acl_list **enum_racl_list = &_enum_racl_lists[0];
+static size_t enum_racl_index = 0;
+static size_t enum_race_index = 0;
+
+/* This returns the next tag_type id from the given acl for the next entry,
+ * or it returns 0 if there are no more tag_type ids in the acl. */
+
+static id_t next_ace_id(SMB_ACL_TAG_T tag_type, const rsync_acl *racl)
+{
+	for (; enum_race_index < racl->count; enum_race_index++) {
+		rsync_ace *race = &racl->races[enum_race_index];
+		if (race->tag_type == tag_type)
+			return race->id;
+	}
+	enum_race_index = 0;
+	return 0;
+}
+
+static id_t next_acl_id(SMB_ACL_TAG_T tag_type, const rsync_acl_list *racl_list)
+{
+	for (; enum_racl_index < racl_list->count; enum_racl_index++) {
+		rsync_acl *racl = &racl_list->racls[enum_racl_index];
+		id_t id = next_ace_id(tag_type, racl);
+		if (id)
+			return id;
+	}
+	enum_racl_index = 0;
+	return 0;
+}
+
+static id_t next_acl_list_id(SMB_ACL_TAG_T tag_type)
+{
+	for (; *enum_racl_list; enum_racl_list++) {
+		id_t id = next_acl_id(tag_type, *enum_racl_list);
+		if (id)
+			return id;
+	}
+	enum_racl_list = &_enum_racl_lists[0];
+	return 0;
+}
+
+id_t next_acl_uid()
+{
+	return next_acl_list_id(SMB_ACL_USER);
+}
+
+id_t next_acl_gid()
+{
+	return next_acl_list_id(SMB_ACL_GROUP);
+}
+
+/* referring to the global context enum_entry, sets the entry's id */
+static void set_acl_id(id_t id)
+{
+	(*enum_racl_list)->racls[enum_racl_index].races[enum_race_index++].id = id;
+}
+
+void acl_uid_map(id_t uid)
+{
+	set_acl_id(uid);
+}
+
+void acl_gid_map(id_t gid)
+{
+	set_acl_id(gid);
+}
+
+#define PERMS_SPLICE(perms,newbits,where) (((perms) & ~(7 << (where))) | ((newbits) << (where)))
+
+int default_perms_for_dir(const char *dir)
+{
+	rsync_acl racl;
+	SMB_ACL_T sacl;
+	BOOL ok, saw_mask = False;
+	size_t i;
+	int perms;
+
+	if (dir == NULL)
+		dir = ".";
+	perms = ACCESSPERMS & ~orig_umask;
+	/* Read the directory's default ACL.  If it has none, this will successfully return an empty ACL. */
+	sacl = sys_acl_get_file(dir, SMB_ACL_TYPE_DEFAULT);
+	if (sacl == NULL) {
+		/* Couldn't get an ACL.  Darn. */
+		switch (errno) {
+		case ENOTSUP:
+			/* ACLs are disabled.  We could yell at the user to turn them on, but... */
+			break;
+		case ENOENT:
+			if (dry_run) {
+				/* We're doing a dry run, so the containing directory
+				 * wasn't actually created.  Don't worry about it. */
+				break;
+			}
+			/* Otherwise fall through. */
+		default:
+			rprintf(FERROR, "default_perms_for_dir: sys_acl_get_file(%s, %s): %s, falling back on umask\n",
+				dir, str_acl_type(SMB_ACL_TYPE_DEFAULT), strerror(errno));
+		}
+		return perms;
+	}
+
+	/* Convert it. */
+	ok = unpack_smb_acl(&racl, sacl);
+	sys_acl_free_acl(sacl);
+	if (!ok) {
+		rprintf(FERROR, "default_perms_for_dir: unpack_smb_acl failed, falling back on umask\n");
+		return perms;
+	}
+
+	/* Look at each default ACL entry and possibly modify three bits of `perms' accordingly.
+	 * If there's "no" default ACL, there will be zero entries and the umask-based perms is unchanged. */
+	for (i = 0; i < racl.count; i++) {
+		switch (racl.races[i].tag_type) {
+		case SMB_ACL_USER_OBJ:
+			perms = PERMS_SPLICE(perms, racl.races[i].access, 6);
+			break;
+		case SMB_ACL_GROUP_OBJ:
+			if (!saw_mask)
+				perms = PERMS_SPLICE(perms, racl.races[i].access, 3);
+			break;
+		case SMB_ACL_MASK:
+			saw_mask = True;
+			perms = PERMS_SPLICE(perms, racl.races[i].access, 3);
+			break;
+		case SMB_ACL_OTHER:
+			perms = PERMS_SPLICE(perms, racl.races[i].access, 0);
+			break;
+		default:
+			break;
+		}
+	}
+	rsync_acl_free(&racl);
+	if (verbose > 2)
+		rprintf(FINFO, "got ACL-based default perms %o for directory %s\n", perms, dir);
+	return perms;
+}
+
+#endif /* SUPPORT_ACLS */
--- old/backup.c
+++ new/backup.c
@@ -132,6 +132,9 @@ static int make_bak_dir(char *fullpath)
 			} else {
 				do_lchown(fullpath, st.st_uid, st.st_gid);
 				do_chmod(fullpath, st.st_mode);
+#ifdef SUPPORT_ACLS
+				dup_acl(end, fullpath, st.st_mode);
+#endif
 			}
 		}
 		*p = '/';
@@ -185,6 +188,10 @@ static int keep_backup(char *fname)
 	if (!(buf = get_backup_name(fname)))
 		return 0;
 
+#ifdef SUPPORT_ACLS
+	push_keep_backup_acl(file, fname, buf);
+#endif
+
 	/* Check to see if this is a device file, or link */
 	if ((am_root && preserve_devices && IS_DEVICE(file->mode))
 	 || (preserve_specials && IS_SPECIAL(file->mode))) {
@@ -260,6 +267,9 @@ static int keep_backup(char *fname)
 		}
 	}
 	set_file_attrs(buf, file, NULL, 0);
+#ifdef SUPPORT_ACLS
+	cleanup_keep_backup_acl();
+#endif
 	free(file);
 
 	if (verbose > 1) {
--- old/configure.in
+++ new/configure.in
@@ -482,6 +482,11 @@ if test x"$ac_cv_func_strcasecmp" = x"no
     AC_CHECK_LIB(resolv, strcasecmp)
 fi
 
+AC_CHECK_FUNCS(aclsort)
+if test x"$ac_cv_func_aclsort" = x"no"; then
+    AC_CHECK_LIB(sec, aclsort)
+fi
+
 dnl At the moment we don't test for a broken memcmp(), because all we
 dnl need to do is test for equality, not comparison, and it seems that
 dnl every platform has a memcmp that can do at least that.
@@ -738,6 +743,77 @@ AC_SUBST(OBJ_RESTORE)
 AC_SUBST(CC_SHOBJ_FLAG)
 AC_SUBST(BUILD_POPT)
 
+AC_CHECK_HEADERS(sys/acl.h)
+AC_CHECK_FUNCS(_acl __acl _facl __facl)
+#################################################
+# check for ACL support
+
+AC_MSG_CHECKING(whether to support ACLs)
+AC_ARG_ENABLE(acl-support,
+AC_HELP_STRING([--enable-acl-support], [Include ACL support (default=no)]),
+[ case "$enableval" in
+  yes)
+
+		case "$host_os" in
+		*sysv5*)
+			AC_MSG_RESULT(Using UnixWare ACLs)
+			AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
+			;;
+		*solaris*)
+			AC_MSG_RESULT(Using solaris ACLs)
+			AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
+			;;
+		*hpux*)
+			AC_MSG_RESULT(Using HPUX ACLs)
+			AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
+			;;
+		*irix*)
+			AC_MSG_RESULT(Using IRIX ACLs)
+			AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
+			;;
+		*aix*)
+			AC_MSG_RESULT(Using AIX ACLs)
+			AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
+			;;
+		*osf*)
+			AC_MSG_RESULT(Using Tru64 ACLs)
+			AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
+			LIBS="$LIBS -lpacl"
+			;;
+		*)
+		    AC_MSG_RESULT(ACLs requested -- running tests)
+		    AC_CHECK_LIB(acl,acl_get_file)
+			AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
+			AC_TRY_LINK([#include <sys/types.h>
+#include <sys/acl.h>],
+[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);],
+samba_cv_HAVE_POSIX_ACLS=yes,samba_cv_HAVE_POSIX_ACLS=no)])
+			if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
+			    AC_MSG_RESULT(Using posix ACLs)
+			    AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
+			    AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
+				AC_TRY_LINK([#include <sys/types.h>
+#include <sys/acl.h>],
+[ acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);],
+samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_cv_HAVE_ACL_GET_PERM_NP=no)])
+			    if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
+				AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
+			    fi
+			else
+			    AC_MSG_ERROR(Failed to find ACL support)
+			fi
+			;;
+		esac
+		;;
+  *)
+    AC_MSG_RESULT(no)
+	AC_DEFINE(HAVE_NO_ACLS, 1, [true if you don't have ACLs])
+    ;;
+  esac ],
+  AC_DEFINE(HAVE_NO_ACLS, 1, [true if you don't have ACLs])
+  AC_MSG_RESULT(no)
+)
+
 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
 AC_OUTPUT
 
--- old/flist.c
+++ new/flist.c
@@ -966,6 +966,10 @@ static struct file_struct *send_file_nam
 			 f == -2 ? SERVER_FILTERS : ALL_FILTERS);
 	if (!file)
 		return NULL;
+#ifdef SUPPORT_ACLS
+	if (make_acl(file, fname) < 0)
+		return NULL;
+#endif
 
 	if (chmod_modes && !S_ISLNK(file->mode))
 		file->mode = tweak_mode(file->mode, chmod_modes);
@@ -977,6 +981,12 @@ static struct file_struct *send_file_nam
 	if (file->basename[0]) {
 		flist->files[flist->count++] = file;
 		send_file_entry(file, f);
+#ifdef SUPPORT_ACLS
+		send_acl(file, f);
+	} else {
+		/* Cleanup unsent ACL(s). */
+		send_acl(file, -1);
+#endif
 	}
 	return file;
 }
@@ -1365,6 +1375,10 @@ struct file_list *recv_file_list(int f)
 			flags |= read_byte(f) << 8;
 		file = receive_file_entry(flist, flags, f);
 
+#ifdef SUPPORT_ACLS
+		receive_acl(file, f);
+#endif
+
 		if (S_ISREG(file->mode) || S_ISLNK(file->mode))
 			stats.total_size += file->length;
 
@@ -1387,6 +1401,10 @@ struct file_list *recv_file_list(int f)
 
 	clean_flist(flist, relative_paths, 1);
 
+#ifdef SUPPORT_ACLS
+	sort_file_acl_index_lists();
+#endif
+
 	if (f >= 0) {
 		recv_uid_list(f, flist);
 
--- old/generator.c
+++ new/generator.c
@@ -85,6 +85,7 @@ extern long block_size; /* "long" becaus
 extern int max_delete;
 extern int force_delete;
 extern int one_file_system;
+extern mode_t orig_umask;
 extern struct stats stats;
 extern dev_t filesystem_dev;
 extern char *backup_dir;
@@ -753,6 +754,7 @@ static int try_dests_non(struct file_str
 }
 
 static int phase = 0;
+static int dflt_perms;
 
 /* Acts on the_file_list->file's ndx'th item, whose name is fname.  If a dir,
  * make sure it exists, and has the right permissions/timestamp info.  For
@@ -844,6 +846,10 @@ static void recv_generator(char *fname, 
 			}
 			if (fuzzy_basis)
 				need_fuzzy_dirlist = 1;
+#ifdef SUPPORT_ACLS
+			if (!preserve_perms)
+				dflt_perms = default_perms_for_dir(dn);
+#endif
 		}
 		parent_dirname = dn;
 
@@ -871,7 +877,8 @@ static void recv_generator(char *fname, 
 	if (!preserve_perms) {
 		int exists = statret == 0
 			  && S_ISDIR(st.st_mode) == S_ISDIR(file->mode);
-		file->mode = dest_mode(file->mode, st.st_mode, exists);
+		file->mode = dest_mode(file->mode, st.st_mode, dflt_perms,
+				       exists);
 	}
 
 	if (S_ISDIR(file->mode)) {
@@ -1342,6 +1349,8 @@ void generate_files(int f_out, struct fi
 	 * notice that and let us know via the redo pipe (or its closing). */
 	ignore_timeout = 1;
 
+	dflt_perms = (ACCESSPERMS & ~orig_umask);
+
 	for (i = 0; i < flist->count; i++) {
 		struct file_struct *file = flist->files[i];
 
--- old/lib/sysacls.c
+++ new/lib/sysacls.c
@@ -0,0 +1,3242 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba system utilities for ACL support.
+   Copyright (C) Jeremy Allison 2000.
+   
+   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 of the License, 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.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "rsync.h"
+#include "sysacls.h" /****** ADDED ******/
+
+/****** EXTRAS -- THESE ITEMS ARE NOT FROM THE SAMBA SOURCE ******/
+void SAFE_FREE(void *mem)
+{
+	if (mem)
+		free(mem);
+}
+
+char *uidtoname(uid_t uid)
+{
+	static char idbuf[12];
+	struct passwd *pw;
+
+	if ((pw = getpwuid(uid)) == NULL) {
+		slprintf(idbuf, sizeof(idbuf)-1, "%ld", (long)uid);
+		return idbuf;
+	}
+	return pw->pw_name;
+}
+/****** EXTRAS -- END ******/
+
+/*
+ This file wraps all differing system ACL interfaces into a consistent
+ one based on the POSIX interface. It also returns the correct errors
+ for older UNIX systems that don't support ACLs.
+
+ The interfaces that each ACL implementation must support are as follows :
+
+ int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+ int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
+ int sys_acl_get_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p
+ void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d)
+ SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
+ SMB_ACL_T sys_acl_get_fd(int fd)
+ int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset);
+ int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
+ char *sys_acl_to_text( SMB_ACL_T theacl, ssize_t *plen)
+ SMB_ACL_T sys_acl_init( int count)
+ int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
+ int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
+ int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual)
+ int sys_acl_set_permset( SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
+ int sys_acl_valid( SMB_ACL_T theacl )
+ int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
+ int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
+ int sys_acl_delete_def_file(const char *path)
+
+ This next one is not POSIX complient - but we *have* to have it !
+ More POSIX braindamage.
+
+ int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+
+ The generic POSIX free is the following call. We split this into
+ several different free functions as we may need to add tag info
+ to structures when emulating the POSIX interface.
+
+ int sys_acl_free( void *obj_p)
+
+ The calls we actually use are :
+
+ int sys_acl_free_text(char *text) - free acl_to_text
+ int sys_acl_free_acl(SMB_ACL_T posix_acl)
+ int sys_acl_free_qualifier(void *qualifier, SMB_ACL_TAG_T tagtype)
+
+*/
+
+#if defined(HAVE_POSIX_ACLS)
+
+/* Identity mapping - easy. */
+
+int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	return acl_get_entry( the_acl, entry_id, entry_p);
+}
+
+int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
+{
+	return acl_get_tag_type( entry_d, tag_type_p);
+}
+
+int sys_acl_get_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	return acl_get_permset( entry_d, permset_p);
+}
+
+void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d)
+{
+	return acl_get_qualifier( entry_d);
+}
+
+SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
+{
+	return acl_get_file( path_p, type);
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	return acl_get_fd(fd);
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset)
+{
+	return acl_clear_perms(permset);
+}
+
+int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	return acl_add_perm(permset, perm);
+}
+
+int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+#if defined(HAVE_ACL_GET_PERM_NP)
+	/*
+	 * Required for TrustedBSD-based ACL implementations where
+	 * non-POSIX.1e functions are denoted by a _np (non-portable)
+	 * suffix.
+	 */
+	return acl_get_perm_np(permset, perm);
+#else
+	return acl_get_perm(permset, perm);
+#endif
+}
+
+char *sys_acl_to_text( SMB_ACL_T the_acl, ssize_t *plen)
+{
+	return acl_to_text( the_acl, plen);
+}
+
+SMB_ACL_T sys_acl_init( int count)
+{
+	return acl_init(count);
+}
+
+int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
+{
+	return acl_create_entry(pacl, pentry);
+}
+
+int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
+{
+	return acl_set_tag_type(entry, tagtype);
+}
+
+int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual)
+{
+	return acl_set_qualifier(entry, qual);
+}
+
+int sys_acl_set_permset( SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
+{
+	return acl_set_permset(entry, permset);
+}
+
+int sys_acl_valid( SMB_ACL_T theacl )
+{
+	return acl_valid(theacl);
+}
+
+int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
+{
+	return acl_set_file(name, acltype, theacl);
+}
+
+int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
+{
+	return acl_set_fd(fd, theacl);
+}
+
+int sys_acl_delete_def_file(const char *name)
+{
+	return acl_delete_def_file(name);
+}
+
+int sys_acl_free_text(char *text)
+{
+	return acl_free(text);
+}
+
+int sys_acl_free_acl(SMB_ACL_T the_acl) 
+{
+	return acl_free(the_acl);
+}
+
+int sys_acl_free_qualifier(void *qual, UNUSED(SMB_ACL_TAG_T tagtype))
+{
+	return acl_free(qual);
+}
+
+#elif defined(HAVE_TRU64_ACLS)
+/*
+ * The interface to DEC/Compaq Tru64 UNIX ACLs
+ * is based on Draft 13 of the POSIX spec which is
+ * slightly different from the Draft 16 interface.
+ * 
+ * Also, some of the permset manipulation functions
+ * such as acl_clear_perm() and acl_add_perm() appear
+ * to be broken on Tru64 so we have to manipulate
+ * the permission bits in the permset directly.
+ */
+int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	SMB_ACL_ENTRY_T	entry;
+
+	if (entry_id == SMB_ACL_FIRST_ENTRY && acl_first_entry(the_acl) != 0) {
+		return -1;
+	}
+
+	errno = 0;
+	if ((entry = acl_get_entry(the_acl)) != NULL) {
+		*entry_p = entry;
+		return 1;
+	}
+
+	return errno ? -1 : 0;
+}
+
+int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
+{
+	return acl_get_tag_type( entry_d, tag_type_p);
+}
+
+int sys_acl_get_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	return acl_get_permset( entry_d, permset_p);
+}
+
+void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d)
+{
+	return acl_get_qualifier( entry_d);
+}
+
+SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
+{
+	return acl_get_file((char *)path_p, type);
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	return acl_get_fd(fd, ACL_TYPE_ACCESS);
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset)
+{
+	*permset = 0;		/* acl_clear_perm() is broken on Tru64	*/
+
+	return 0;
+}
+
+int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	if (perm & ~(SMB_ACL_READ | SMB_ACL_WRITE | SMB_ACL_EXECUTE)) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	*permset |= perm;	/* acl_add_perm() is broken on Tru64	*/
+
+	return 0;
+}
+
+int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	return *permset & perm;	/* Tru64 doesn't have acl_get_perm() */
+}
+
+char *sys_acl_to_text( SMB_ACL_T the_acl, ssize_t *plen)
+{
+	return acl_to_text( the_acl, plen);
+}
+
+SMB_ACL_T sys_acl_init( int count)
+{
+	return acl_init(count);
+}
+
+int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
+{
+	SMB_ACL_ENTRY_T entry;
+
+	if ((entry = acl_create_entry(pacl)) == NULL) {
+		return -1;
+	}
+
+	*pentry = entry;
+	return 0;
+}
+
+int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
+{
+	return acl_set_tag_type(entry, tagtype);
+}
+
+int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual)
+{
+	return acl_set_qualifier(entry, qual);
+}
+
+int sys_acl_set_permset( SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
+{
+	return acl_set_permset(entry, permset);
+}
+
+int sys_acl_valid( SMB_ACL_T theacl )
+{
+	acl_entry_t	entry;
+
+	return acl_valid(theacl, &entry);
+}
+
+int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
+{
+	return acl_set_file((char *)name, acltype, theacl);
+}
+
+int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
+{
+	return acl_set_fd(fd, ACL_TYPE_ACCESS, theacl);
+}
+
+int sys_acl_delete_def_file(const char *name)
+{
+	return acl_delete_def_file((char *)name);
+}
+
+int sys_acl_free_text(char *text)
+{
+	/*
+	 * (void) cast and explicit return 0 are for DEC UNIX
+	 *  which just #defines acl_free_text() to be free()
+	 */
+	(void) acl_free_text(text);
+	return 0;
+}
+
+int sys_acl_free_acl(SMB_ACL_T the_acl) 
+{
+	return acl_free(the_acl);
+}
+
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype)
+{
+	return acl_free_qualifier(qual, tagtype);
+}
+
+#elif defined(HAVE_UNIXWARE_ACLS) || defined(HAVE_SOLARIS_ACLS)
+
+/*
+ * Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX.
+ * Modified by Toomas Soome <tsoome@ut.ee> for Solaris.
+ */
+
+/*
+ * Note that while this code implements sufficient functionality
+ * to support the sys_acl_* interfaces it does not provide all
+ * of the semantics of the POSIX ACL interfaces.
+ *
+ * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned
+ * from a call to sys_acl_get_entry() should not be assumed to be
+ * valid after calling any of the following functions, which may
+ * reorder the entries in the ACL.
+ *
+ *	sys_acl_valid()
+ *	sys_acl_set_file()
+ *	sys_acl_set_fd()
+ */
+
+/*
+ * The only difference between Solaris and UnixWare / OpenUNIX is
+ * that the #defines for the ACL operations have different names
+ */
+#if defined(HAVE_UNIXWARE_ACLS)
+
+#define	SETACL		ACL_SET
+#define	GETACL		ACL_GET
+#define	GETACLCNT	ACL_CNT
+
+#endif
+
+
+int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_p == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_id == SMB_ACL_FIRST_ENTRY) {
+		acl_d->next = 0;
+	}
+
+	if (acl_d->next < 0) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->next >= acl_d->count) {
+		return 0;
+	}
+
+	*entry_p = &acl_d->acl[acl_d->next++];
+
+	return 1;
+}
+
+int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
+{
+	*type_p = entry_d->a_type;
+
+	return 0;
+}
+
+int sys_acl_get_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	*permset_p = &entry_d->a_perm;
+
+	return 0;
+}
+
+void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d)
+{
+	if (entry_d->a_type != SMB_ACL_USER
+	    && entry_d->a_type != SMB_ACL_GROUP) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	return &entry_d->a_id;
+}
+
+/*
+ * There is no way of knowing what size the ACL returned by
+ * GETACL will be unless you first call GETACLCNT which means
+ * making an additional system call.
+ *
+ * In the hope of avoiding the cost of the additional system
+ * call in most cases, we initially allocate enough space for
+ * an ACL with INITIAL_ACL_SIZE entries. If this turns out to
+ * be too small then we use GETACLCNT to find out the actual
+ * size, reallocate the ACL buffer, and then call GETACL again.
+ */
+
+#define	INITIAL_ACL_SIZE	16
+
+SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
+{
+	SMB_ACL_T	acl_d;
+	int		count;		/* # of ACL entries allocated	*/
+	int		naccess;	/* # of access ACL entries	*/
+	int		ndefault;	/* # of default ACL entries	*/
+
+	if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	count = INITIAL_ACL_SIZE;
+	if ((acl_d = sys_acl_init(count)) == NULL) {
+		return NULL;
+	}
+
+	/*
+	 * If there isn't enough space for the ACL entries we use
+	 * GETACLCNT to determine the actual number of ACL entries
+	 * reallocate and try again. This is in a loop because it
+	 * is possible that someone else could modify the ACL and
+	 * increase the number of entries between the call to
+	 * GETACLCNT and the call to GETACL.
+	 */
+	while ((count = acl(path_p, GETACL, count, &acl_d->acl[0])) < 0
+	    && errno == ENOSPC) {
+
+		sys_acl_free_acl(acl_d);
+
+		if ((count = acl(path_p, GETACLCNT, 0, NULL)) < 0) {
+			return NULL;
+		}
+
+		if ((acl_d = sys_acl_init(count)) == NULL) {
+			return NULL;
+		}
+	}
+
+	if (count < 0) {
+		sys_acl_free_acl(acl_d);
+		return NULL;
+	}
+
+	/*
+	 * calculate the number of access and default ACL entries
+	 *
+	 * Note: we assume that the acl() system call returned a
+	 * well formed ACL which is sorted so that all of the
+	 * access ACL entries preceed any default ACL entries
+	 */
+	for (naccess = 0; naccess < count; naccess++) {
+		if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
+			break;
+	}
+	ndefault = count - naccess;
+	
+	/*
+	 * if the caller wants the default ACL we have to copy
+	 * the entries down to the start of the acl[] buffer
+	 * and mask out the ACL_DEFAULT flag from the type field
+	 */
+	if (type == SMB_ACL_TYPE_DEFAULT) {
+		int	i, j;
+
+		for (i = 0, j = naccess; i < ndefault; i++, j++) {
+			acl_d->acl[i] = acl_d->acl[j];
+			acl_d->acl[i].a_type &= ~ACL_DEFAULT;
+		}
+
+		acl_d->count = ndefault;
+	} else {
+		acl_d->count = naccess;
+	}
+
+	return acl_d;
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	SMB_ACL_T	acl_d;
+	int		count;		/* # of ACL entries allocated	*/
+	int		naccess;	/* # of access ACL entries	*/
+
+	count = INITIAL_ACL_SIZE;
+	if ((acl_d = sys_acl_init(count)) == NULL) {
+		return NULL;
+	}
+
+	while ((count = facl(fd, GETACL, count, &acl_d->acl[0])) < 0
+	    && errno == ENOSPC) {
+
+		sys_acl_free_acl(acl_d);
+
+		if ((count = facl(fd, GETACLCNT, 0, NULL)) < 0) {
+			return NULL;
+		}
+
+		if ((acl_d = sys_acl_init(count)) == NULL) {
+			return NULL;
+		}
+	}
+
+	if (count < 0) {
+		sys_acl_free_acl(acl_d);
+		return NULL;
+	}
+
+	/*
+	 * calculate the number of access ACL entries
+	 */
+	for (naccess = 0; naccess < count; naccess++) {
+		if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
+			break;
+	}
+	
+	acl_d->count = naccess;
+
+	return acl_d;
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset_d)
+{
+	*permset_d = 0;
+
+	return 0;
+}
+
+int sys_acl_add_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	if (perm != SMB_ACL_READ && perm != SMB_ACL_WRITE
+	    && perm != SMB_ACL_EXECUTE) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (permset_d == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	*permset_d |= perm;
+
+	return 0;
+}
+
+int sys_acl_get_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	return *permset_d & perm;
+}
+
+char *sys_acl_to_text(SMB_ACL_T acl_d, ssize_t *len_p)
+{
+	int	i;
+	int	len, maxlen;
+	char	*text;
+
+	/*
+	 * use an initial estimate of 20 bytes per ACL entry
+	 * when allocating memory for the text representation
+	 * of the ACL
+	 */
+	len	= 0;
+	maxlen	= 20 * acl_d->count;
+	if ((text = SMB_MALLOC(maxlen)) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	for (i = 0; i < acl_d->count; i++) {
+		struct acl	*ap	= &acl_d->acl[i];
+		struct passwd	*pw;
+		struct group	*gr;
+		char		tagbuf[12];
+		char		idbuf[12];
+		char		*tag;
+		char		*id	= "";
+		char		perms[4];
+		int		nbytes;
+
+		switch (ap->a_type) {
+			/*
+			 * for debugging purposes it's probably more
+			 * useful to dump unknown tag types rather
+			 * than just returning an error
+			 */
+			default:
+				slprintf(tagbuf, sizeof(tagbuf)-1, "0x%x",
+					ap->a_type);
+				tag = tagbuf;
+				slprintf(idbuf, sizeof(idbuf)-1, "%ld",
+					(long)ap->a_id);
+				id = idbuf;
+				break;
+
+			case SMB_ACL_USER:
+				id = uidtoname(ap->a_id);
+			case SMB_ACL_USER_OBJ:
+				tag = "user";
+				break;
+
+			case SMB_ACL_GROUP:
+				if ((gr = getgrgid(ap->a_id)) == NULL) {
+					slprintf(idbuf, sizeof(idbuf)-1, "%ld",
+						(long)ap->a_id);
+					id = idbuf;
+				} else {
+					id = gr->gr_name;
+				}
+			case SMB_ACL_GROUP_OBJ:
+				tag = "group";
+				break;
+
+			case SMB_ACL_OTHER:
+				tag = "other";
+				break;
+
+			case SMB_ACL_MASK:
+				tag = "mask";
+				break;
+
+		}
+
+		perms[0] = (ap->a_perm & SMB_ACL_READ) ? 'r' : '-';
+		perms[1] = (ap->a_perm & SMB_ACL_WRITE) ? 'w' : '-';
+		perms[2] = (ap->a_perm & SMB_ACL_EXECUTE) ? 'x' : '-';
+		perms[3] = '\0';
+
+		/*          <tag>      :  <qualifier>   :  rwx \n  \0 */
+		nbytes = strlen(tag) + 1 + strlen(id) + 1 + 3 + 1 + 1;
+
+		/*
+		 * If this entry would overflow the buffer
+		 * allocate enough additional memory for this
+		 * entry and an estimate of another 20 bytes
+		 * for each entry still to be processed
+		 */
+		if ((len + nbytes) > maxlen) {
+			char *oldtext = text;
+
+			maxlen += nbytes + 20 * (acl_d->count - i);
+
+			if ((text = SMB_REALLOC(oldtext, maxlen)) == NULL) {
+				SAFE_FREE(oldtext);
+				errno = ENOMEM;
+				return NULL;
+			}
+		}
+
+		slprintf(&text[len], nbytes-1, "%s:%s:%s\n", tag, id, perms);
+		len += nbytes - 1;
+	}
+
+	if (len_p)
+		*len_p = len;
+
+	return text;
+}
+
+SMB_ACL_T sys_acl_init(int count)
+{
+	SMB_ACL_T	a;
+
+	if (count < 0) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	/*
+	 * note that since the definition of the structure pointed
+	 * to by the SMB_ACL_T includes the first element of the
+	 * acl[] array, this actually allocates an ACL with room
+	 * for (count+1) entries
+	 */
+	if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	a->size = count + 1;
+	a->count = 0;
+	a->next = -1;
+
+	return a;
+}
+
+
+int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
+{
+	SMB_ACL_T	acl_d;
+	SMB_ACL_ENTRY_T	entry_d;
+
+	if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->count >= acl_d->size) {
+		errno = ENOSPC;
+		return -1;
+	}
+
+	entry_d		= &acl_d->acl[acl_d->count++];
+	entry_d->a_type	= 0;
+	entry_d->a_id	= -1;
+	entry_d->a_perm	= 0;
+	*entry_p	= entry_d;
+
+	return 0;
+}
+
+int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type)
+{
+	switch (tag_type) {
+		case SMB_ACL_USER:
+		case SMB_ACL_USER_OBJ:
+		case SMB_ACL_GROUP:
+		case SMB_ACL_GROUP_OBJ:
+		case SMB_ACL_OTHER:
+		case SMB_ACL_MASK:
+			entry_d->a_type = tag_type;
+			break;
+		default:
+			errno = EINVAL;
+			return -1;
+	}
+
+	return 0;
+}
+
+int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p)
+{
+	if (entry_d->a_type != SMB_ACL_GROUP
+	    && entry_d->a_type != SMB_ACL_USER) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	entry_d->a_id = *((id_t *)qual_p);
+
+	return 0;
+}
+
+int sys_acl_set_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T permset_d)
+{
+	if (*permset_d & ~(SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE)) {
+		return EINVAL;
+	}
+
+	entry_d->a_perm = *permset_d;
+
+	return 0;
+}
+
+/*
+ * sort the ACL and check it for validity
+ *
+ * if it's a minimal ACL with only 4 entries then we
+ * need to recalculate the mask permissions to make
+ * sure that they are the same as the GROUP_OBJ
+ * permissions as required by the UnixWare acl() system call.
+ *
+ * (note: since POSIX allows minimal ACLs which only contain
+ * 3 entries - ie there is no mask entry - we should, in theory,
+ * check for this and add a mask entry if necessary - however
+ * we "know" that the caller of this interface always specifies
+ * a mask so, in practice "this never happens" (tm) - if it *does*
+ * happen aclsort() will fail and return an error and someone will
+ * have to fix it ...)
+ */
+
+static int acl_sort(SMB_ACL_T acl_d)
+{
+	int     fixmask = (acl_d->count <= 4);
+
+	if (aclsort(acl_d->count, fixmask, acl_d->acl) != 0) {
+		errno = EINVAL;
+		return -1;
+	}
+	return 0;
+}
+ 
+int sys_acl_valid(SMB_ACL_T acl_d)
+{
+	return acl_sort(acl_d);
+}
+
+int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
+{
+	struct stat	s;
+	struct acl	*acl_p;
+	int		acl_count;
+	struct acl	*acl_buf	= NULL;
+	int		ret;
+
+	if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_sort(acl_d) != 0) {
+		return -1;
+	}
+
+	acl_p		= &acl_d->acl[0];
+	acl_count	= acl_d->count;
+
+	/*
+	 * if it's a directory there is extra work to do
+	 * since the acl() system call will replace both
+	 * the access ACLs and the default ACLs (if any)
+	 */
+	if (stat(name, &s) != 0) {
+		return -1;
+	}
+	if (S_ISDIR(s.st_mode)) {
+		SMB_ACL_T	acc_acl;
+		SMB_ACL_T	def_acl;
+		SMB_ACL_T	tmp_acl;
+		int		i;
+
+		if (type == SMB_ACL_TYPE_ACCESS) {
+			acc_acl = acl_d;
+			def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT);
+
+		} else {
+			def_acl = acl_d;
+			acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS);
+		}
+
+		if (tmp_acl == NULL) {
+			return -1;
+		}
+
+		/*
+		 * allocate a temporary buffer for the complete ACL
+		 */
+		acl_count = acc_acl->count + def_acl->count;
+		acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count);
+
+		if (acl_buf == NULL) {
+			sys_acl_free_acl(tmp_acl);
+			errno = ENOMEM;
+			return -1;
+		}
+
+		/*
+		 * copy the access control and default entries into the buffer
+		 */
+		memcpy(&acl_buf[0], &acc_acl->acl[0],
+			acc_acl->count * sizeof(acl_buf[0]));
+
+		memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0],
+			def_acl->count * sizeof(acl_buf[0]));
+
+		/*
+		 * set the ACL_DEFAULT flag on the default entries
+		 */
+		for (i = acc_acl->count; i < acl_count; i++) {
+			acl_buf[i].a_type |= ACL_DEFAULT;
+		}
+
+		sys_acl_free_acl(tmp_acl);
+
+	} else if (type != SMB_ACL_TYPE_ACCESS) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	ret = acl(name, SETACL, acl_count, acl_p);
+
+	SAFE_FREE(acl_buf);
+
+	return ret;
+}
+
+int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
+{
+	if (acl_sort(acl_d) != 0) {
+		return -1;
+	}
+
+	return facl(fd, SETACL, acl_d->count, &acl_d->acl[0]);
+}
+
+int sys_acl_delete_def_file(const char *path)
+{
+	SMB_ACL_T	acl_d;
+	int		ret;
+
+	/*
+	 * fetching the access ACL and rewriting it has
+	 * the effect of deleting the default ACL
+	 */
+	if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) {
+		return -1;
+	}
+
+	ret = acl(path, SETACL, acl_d->count, acl_d->acl);
+
+	sys_acl_free_acl(acl_d);
+	
+	return ret;
+}
+
+int sys_acl_free_text(char *text)
+{
+	SAFE_FREE(text);
+	return 0;
+}
+
+int sys_acl_free_acl(SMB_ACL_T acl_d) 
+{
+	SAFE_FREE(acl_d);
+	return 0;
+}
+
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype)
+{
+	return 0;
+}
+
+#elif defined(HAVE_HPUX_ACLS)
+#include <dl.h>
+
+/*
+ * Based on the Solaris/SCO code - with modifications.
+ */
+
+/*
+ * Note that while this code implements sufficient functionality
+ * to support the sys_acl_* interfaces it does not provide all
+ * of the semantics of the POSIX ACL interfaces.
+ *
+ * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned
+ * from a call to sys_acl_get_entry() should not be assumed to be
+ * valid after calling any of the following functions, which may
+ * reorder the entries in the ACL.
+ *
+ *	sys_acl_valid()
+ *	sys_acl_set_file()
+ *	sys_acl_set_fd()
+ */
+
+/* This checks if the POSIX ACL system call is defined */
+/* which basically corresponds to whether JFS 3.3 or   */
+/* higher is installed. If acl() was called when it    */
+/* isn't defined, it causes the process to core dump   */
+/* so it is important to check this and avoid acl()    */
+/* calls if it isn't there.                            */
+
+static BOOL hpux_acl_call_presence(void)
+{
+
+	shl_t handle = NULL;
+	void *value;
+	int ret_val=0;
+	static BOOL already_checked=0;
+
+	if(already_checked)
+		return True;
+
+
+	ret_val = shl_findsym(&handle, "acl", TYPE_PROCEDURE, &value);
+
+	if(ret_val != 0) {
+		DEBUG(5, ("hpux_acl_call_presence: shl_findsym() returned %d, errno = %d, error %s\n",
+			ret_val, errno, strerror(errno)));
+		DEBUG(5,("hpux_acl_call_presence: acl() system call is not present. Check if you have JFS 3.3 and above?\n"));
+		return False;
+	}
+
+	DEBUG(10,("hpux_acl_call_presence: acl() system call is present. We have JFS 3.3 or above \n"));
+
+	already_checked = True;
+	return True;
+}
+
+int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_p == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_id == SMB_ACL_FIRST_ENTRY) {
+		acl_d->next = 0;
+	}
+
+	if (acl_d->next < 0) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->next >= acl_d->count) {
+		return 0;
+	}
+
+	*entry_p = &acl_d->acl[acl_d->next++];
+
+	return 1;
+}
+
+int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
+{
+	*type_p = entry_d->a_type;
+
+	return 0;
+}
+
+int sys_acl_get_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	*permset_p = &entry_d->a_perm;
+
+	return 0;
+}
+
+void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d)
+{
+	if (entry_d->a_type != SMB_ACL_USER
+	    && entry_d->a_type != SMB_ACL_GROUP) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	return &entry_d->a_id;
+}
+
+/*
+ * There is no way of knowing what size the ACL returned by
+ * ACL_GET will be unless you first call ACL_CNT which means
+ * making an additional system call.
+ *
+ * In the hope of avoiding the cost of the additional system
+ * call in most cases, we initially allocate enough space for
+ * an ACL with INITIAL_ACL_SIZE entries. If this turns out to
+ * be too small then we use ACL_CNT to find out the actual
+ * size, reallocate the ACL buffer, and then call ACL_GET again.
+ */
+
+#define	INITIAL_ACL_SIZE	16
+
+SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
+{
+	SMB_ACL_T	acl_d;
+	int		count;		/* # of ACL entries allocated	*/
+	int		naccess;	/* # of access ACL entries	*/
+	int		ndefault;	/* # of default ACL entries	*/
+
+	if(hpux_acl_call_presence() == False) {
+		/* Looks like we don't have the acl() system call on HPUX. 
+		 * May be the system doesn't have the latest version of JFS.
+		 */
+		return NULL; 
+	}
+
+	if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	count = INITIAL_ACL_SIZE;
+	if ((acl_d = sys_acl_init(count)) == NULL) {
+		return NULL;
+	}
+
+	/*
+	 * If there isn't enough space for the ACL entries we use
+	 * ACL_CNT to determine the actual number of ACL entries
+	 * reallocate and try again. This is in a loop because it
+	 * is possible that someone else could modify the ACL and
+	 * increase the number of entries between the call to
+	 * ACL_CNT and the call to ACL_GET.
+	 */
+	while ((count = acl(path_p, ACL_GET, count, &acl_d->acl[0])) < 0 && errno == ENOSPC) {
+
+		sys_acl_free_acl(acl_d);
+
+		if ((count = acl(path_p, ACL_CNT, 0, NULL)) < 0) {
+			return NULL;
+		}
+
+		if ((acl_d = sys_acl_init(count)) == NULL) {
+			return NULL;
+		}
+	}
+
+	if (count < 0) {
+		sys_acl_free_acl(acl_d);
+		return NULL;
+	}
+
+	/*
+	 * calculate the number of access and default ACL entries
+	 *
+	 * Note: we assume that the acl() system call returned a
+	 * well formed ACL which is sorted so that all of the
+	 * access ACL entries preceed any default ACL entries
+	 */
+	for (naccess = 0; naccess < count; naccess++) {
+		if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
+			break;
+	}
+	ndefault = count - naccess;
+	
+	/*
+	 * if the caller wants the default ACL we have to copy
+	 * the entries down to the start of the acl[] buffer
+	 * and mask out the ACL_DEFAULT flag from the type field
+	 */
+	if (type == SMB_ACL_TYPE_DEFAULT) {
+		int	i, j;
+
+		for (i = 0, j = naccess; i < ndefault; i++, j++) {
+			acl_d->acl[i] = acl_d->acl[j];
+			acl_d->acl[i].a_type &= ~ACL_DEFAULT;
+		}
+
+		acl_d->count = ndefault;
+	} else {
+		acl_d->count = naccess;
+	}
+
+	return acl_d;
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	/*
+	 * HPUX doesn't have the facl call. Fake it using the path.... JRA.
+	 */
+
+	files_struct *fsp = file_find_fd(fd);
+
+	if (fsp == NULL) {
+		errno = EBADF;
+		return NULL;
+	}
+
+	/*
+	 * We know we're in the same conn context. So we
+	 * can use the relative path.
+	 */
+
+	return sys_acl_get_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS);
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset_d)
+{
+	*permset_d = 0;
+
+	return 0;
+}
+
+int sys_acl_add_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	if (perm != SMB_ACL_READ && perm != SMB_ACL_WRITE
+	    && perm != SMB_ACL_EXECUTE) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (permset_d == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	*permset_d |= perm;
+
+	return 0;
+}
+
+int sys_acl_get_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	return *permset_d & perm;
+}
+
+char *sys_acl_to_text(SMB_ACL_T acl_d, ssize_t *len_p)
+{
+	int	i;
+	int	len, maxlen;
+	char	*text;
+
+	/*
+	 * use an initial estimate of 20 bytes per ACL entry
+	 * when allocating memory for the text representation
+	 * of the ACL
+	 */
+	len	= 0;
+	maxlen	= 20 * acl_d->count;
+	if ((text = SMB_MALLOC(maxlen)) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	for (i = 0; i < acl_d->count; i++) {
+		struct acl	*ap	= &acl_d->acl[i];
+		struct passwd	*pw;
+		struct group	*gr;
+		char		tagbuf[12];
+		char		idbuf[12];
+		char		*tag;
+		char		*id	= "";
+		char		perms[4];
+		int		nbytes;
+
+		switch (ap->a_type) {
+			/*
+			 * for debugging purposes it's probably more
+			 * useful to dump unknown tag types rather
+			 * than just returning an error
+			 */
+			default:
+				slprintf(tagbuf, sizeof(tagbuf)-1, "0x%x",
+					ap->a_type);
+				tag = tagbuf;
+				slprintf(idbuf, sizeof(idbuf)-1, "%ld",
+					(long)ap->a_id);
+				id = idbuf;
+				break;
+
+			case SMB_ACL_USER:
+				id = uidtoname(ap->a_id);
+			case SMB_ACL_USER_OBJ:
+				tag = "user";
+				break;
+
+			case SMB_ACL_GROUP:
+				if ((gr = getgrgid(ap->a_id)) == NULL) {
+					slprintf(idbuf, sizeof(idbuf)-1, "%ld",
+						(long)ap->a_id);
+					id = idbuf;
+				} else {
+					id = gr->gr_name;
+				}
+			case SMB_ACL_GROUP_OBJ:
+				tag = "group";
+				break;
+
+			case SMB_ACL_OTHER:
+				tag = "other";
+				break;
+
+			case SMB_ACL_MASK:
+				tag = "mask";
+				break;
+
+		}
+
+		perms[0] = (ap->a_perm & SMB_ACL_READ) ? 'r' : '-';
+		perms[1] = (ap->a_perm & SMB_ACL_WRITE) ? 'w' : '-';
+		perms[2] = (ap->a_perm & SMB_ACL_EXECUTE) ? 'x' : '-';
+		perms[3] = '\0';
+
+		/*          <tag>      :  <qualifier>   :  rwx \n  \0 */
+		nbytes = strlen(tag) + 1 + strlen(id) + 1 + 3 + 1 + 1;
+
+		/*
+		 * If this entry would overflow the buffer
+		 * allocate enough additional memory for this
+		 * entry and an estimate of another 20 bytes
+		 * for each entry still to be processed
+		 */
+		if ((len + nbytes) > maxlen) {
+			char *oldtext = text;
+
+			maxlen += nbytes + 20 * (acl_d->count - i);
+
+			if ((text = SMB_REALLOC(oldtext, maxlen)) == NULL) {
+				free(oldtext);
+				errno = ENOMEM;
+				return NULL;
+			}
+		}
+
+		slprintf(&text[len], nbytes-1, "%s:%s:%s\n", tag, id, perms);
+		len += nbytes - 1;
+	}
+
+	if (len_p)
+		*len_p = len;
+
+	return text;
+}
+
+SMB_ACL_T sys_acl_init(int count)
+{
+	SMB_ACL_T	a;
+
+	if (count < 0) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	/*
+	 * note that since the definition of the structure pointed
+	 * to by the SMB_ACL_T includes the first element of the
+	 * acl[] array, this actually allocates an ACL with room
+	 * for (count+1) entries
+	 */
+	if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	a->size = count + 1;
+	a->count = 0;
+	a->next = -1;
+
+	return a;
+}
+
+
+int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
+{
+	SMB_ACL_T	acl_d;
+	SMB_ACL_ENTRY_T	entry_d;
+
+	if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->count >= acl_d->size) {
+		errno = ENOSPC;
+		return -1;
+	}
+
+	entry_d		= &acl_d->acl[acl_d->count++];
+	entry_d->a_type	= 0;
+	entry_d->a_id	= -1;
+	entry_d->a_perm	= 0;
+	*entry_p	= entry_d;
+
+	return 0;
+}
+
+int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type)
+{
+	switch (tag_type) {
+		case SMB_ACL_USER:
+		case SMB_ACL_USER_OBJ:
+		case SMB_ACL_GROUP:
+		case SMB_ACL_GROUP_OBJ:
+		case SMB_ACL_OTHER:
+		case SMB_ACL_MASK:
+			entry_d->a_type = tag_type;
+			break;
+		default:
+			errno = EINVAL;
+			return -1;
+	}
+
+	return 0;
+}
+
+int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p)
+{
+	if (entry_d->a_type != SMB_ACL_GROUP
+	    && entry_d->a_type != SMB_ACL_USER) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	entry_d->a_id = *((id_t *)qual_p);
+
+	return 0;
+}
+
+int sys_acl_set_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T permset_d)
+{
+	if (*permset_d & ~(SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE)) {
+		return EINVAL;
+	}
+
+	entry_d->a_perm = *permset_d;
+
+	return 0;
+}
+
+/* Structure to capture the count for each type of ACE. */
+
+struct hpux_acl_types {
+	int n_user;
+	int n_def_user;
+	int n_user_obj;
+	int n_def_user_obj;
+
+	int n_group;
+	int n_def_group;
+	int n_group_obj;
+	int n_def_group_obj;
+
+	int n_other;
+	int n_other_obj;
+	int n_def_other_obj;
+
+	int n_class_obj;
+	int n_def_class_obj;
+
+	int n_illegal_obj;
+};
+
+/* count_obj:
+ * Counts the different number of objects in a given array of ACL
+ * structures.
+ * Inputs:
+ *
+ * acl_count      - Count of ACLs in the array of ACL strucutres.
+ * aclp           - Array of ACL structures.
+ * acl_type_count - Pointer to acl_types structure. Should already be
+ *                  allocated.
+ * Output: 
+ *
+ * acl_type_count - This structure is filled up with counts of various 
+ *                  acl types.
+ */
+
+static int hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count)
+{
+	int i;
+
+	memset(acl_type_count, 0, sizeof(struct hpux_acl_types));
+
+	for(i=0;i<acl_count;i++) {
+		switch(aclp[i].a_type) {
+		case USER: 
+			acl_type_count->n_user++;
+			break;
+		case USER_OBJ: 
+			acl_type_count->n_user_obj++;
+			break;
+		case DEF_USER_OBJ: 
+			acl_type_count->n_def_user_obj++;
+			break;
+		case GROUP: 
+			acl_type_count->n_group++;
+			break;
+		case GROUP_OBJ: 
+			acl_type_count->n_group_obj++;
+			break;
+		case DEF_GROUP_OBJ: 
+			acl_type_count->n_def_group_obj++;
+			break;
+		case OTHER_OBJ: 
+			acl_type_count->n_other_obj++;
+			break;
+		case DEF_OTHER_OBJ: 
+			acl_type_count->n_def_other_obj++;
+			break;
+		case CLASS_OBJ:
+			acl_type_count->n_class_obj++;
+			break;
+		case DEF_CLASS_OBJ:
+			acl_type_count->n_def_class_obj++;
+			break;
+		case DEF_USER:
+			acl_type_count->n_def_user++;
+			break;
+		case DEF_GROUP:
+			acl_type_count->n_def_group++;
+			break;
+		default: 
+			acl_type_count->n_illegal_obj++;
+			break;
+		}
+	}
+}
+
+/* swap_acl_entries:  Swaps two ACL entries. 
+ *
+ * Inputs: aclp0, aclp1 - ACL entries to be swapped.
+ */
+
+static void hpux_swap_acl_entries(struct acl *aclp0, struct acl *aclp1)
+{
+	struct acl temp_acl;
+
+	temp_acl.a_type = aclp0->a_type;
+	temp_acl.a_id = aclp0->a_id;
+	temp_acl.a_perm = aclp0->a_perm;
+
+	aclp0->a_type = aclp1->a_type;
+	aclp0->a_id = aclp1->a_id;
+	aclp0->a_perm = aclp1->a_perm;
+
+	aclp1->a_type = temp_acl.a_type;
+	aclp1->a_id = temp_acl.a_id;
+	aclp1->a_perm = temp_acl.a_perm;
+}
+
+/* prohibited_duplicate_type
+ * Identifies if given ACL type can have duplicate entries or 
+ * not.
+ *
+ * Inputs: acl_type - ACL Type.
+ *
+ * Outputs: 
+ *
+ * Return.. 
+ *
+ * True - If the ACL type matches any of the prohibited types.
+ * False - If the ACL type doesn't match any of the prohibited types.
+ */ 
+
+static BOOL hpux_prohibited_duplicate_type(int acl_type)
+{
+	switch(acl_type) {
+		case USER:
+		case GROUP:
+		case DEF_USER: 
+		case DEF_GROUP:
+			return True;
+		default:
+			return False;
+	}
+}
+
+/* get_needed_class_perm
+ * Returns the permissions of a ACL structure only if the ACL
+ * type matches one of the pre-determined types for computing 
+ * CLASS_OBJ permissions.
+ *
+ * Inputs: aclp - Pointer to ACL structure.
+ */
+
+static int hpux_get_needed_class_perm(struct acl *aclp)
+{
+	switch(aclp->a_type) {
+		case USER: 
+		case GROUP_OBJ: 
+		case GROUP: 
+		case DEF_USER_OBJ: 
+		case DEF_USER:
+		case DEF_GROUP_OBJ: 
+		case DEF_GROUP:
+		case DEF_CLASS_OBJ:
+		case DEF_OTHER_OBJ: 
+			return aclp->a_perm;
+		default: 
+			return 0;
+	}
+}
+
+/* acl_sort for HPUX.
+ * Sorts the array of ACL structures as per the description in
+ * aclsort man page. Refer to aclsort man page for more details
+ *
+ * Inputs:
+ *
+ * acl_count - Count of ACLs in the array of ACL structures.
+ * calclass  - If this is not zero, then we compute the CLASS_OBJ
+ *             permissions.
+ * aclp      - Array of ACL structures.
+ *
+ * Outputs:
+ *
+ * aclp     - Sorted array of ACL structures.
+ *
+ * Outputs:
+ *
+ * Returns 0 for success -1 for failure. Prints a message to the Samba
+ * debug log in case of failure.
+ */
+
+static int hpux_acl_sort(int acl_count, int calclass, struct acl *aclp)
+{
+#if !defined(HAVE_HPUX_ACLSORT)
+	/*
+	 * The aclsort() system call is availabe on the latest HPUX General
+	 * Patch Bundles. So for HPUX, we developed our version of acl_sort 
+	 * function. Because, we don't want to update to a new 
+	 * HPUX GR bundle just for aclsort() call.
+	 */
+
+	struct hpux_acl_types acl_obj_count;
+	int n_class_obj_perm = 0;
+	int i, j;
+ 
+	if(!acl_count) {
+		DEBUG(10,("Zero acl count passed. Returning Success\n"));
+		return 0;
+	}
+
+	if(aclp == NULL) {
+		DEBUG(0,("Null ACL pointer in hpux_acl_sort. Returning Failure. \n"));
+		return -1;
+	}
+
+	/* Count different types of ACLs in the ACLs array */
+
+	hpux_count_obj(acl_count, aclp, &acl_obj_count);
+
+	/* There should be only one entry each of type USER_OBJ, GROUP_OBJ, 
+	 * CLASS_OBJ and OTHER_OBJ 
+	 */
+
+	if( (acl_obj_count.n_user_obj  != 1) || 
+		(acl_obj_count.n_group_obj != 1) || 
+		(acl_obj_count.n_class_obj != 1) ||
+		(acl_obj_count.n_other_obj != 1) 
+	) {
+		DEBUG(0,("hpux_acl_sort: More than one entry or no entries for \
+USER OBJ or GROUP_OBJ or OTHER_OBJ or CLASS_OBJ\n"));
+		return -1;
+	}
+
+	/* If any of the default objects are present, there should be only
+	 * one of them each.
+	 */
+
+	if( (acl_obj_count.n_def_user_obj  > 1) || (acl_obj_count.n_def_group_obj > 1) || 
+			(acl_obj_count.n_def_other_obj > 1) || (acl_obj_count.n_def_class_obj > 1) ) {
+		DEBUG(0,("hpux_acl_sort: More than one entry for DEF_CLASS_OBJ \
+or DEF_USER_OBJ or DEF_GROUP_OBJ or DEF_OTHER_OBJ\n"));
+		return -1;
+	}
+
+	/* We now have proper number of OBJ and DEF_OBJ entries. Now sort the acl 
+	 * structures.  
+	 *
+	 * Sorting crieteria - First sort by ACL type. If there are multiple entries of
+	 * same ACL type, sort by ACL id.
+	 *
+	 * I am using the trival kind of sorting method here because, performance isn't 
+	 * really effected by the ACLs feature. More over there aren't going to be more
+	 * than 17 entries on HPUX. 
+	 */
+
+	for(i=0; i<acl_count;i++) {
+		for (j=i+1; j<acl_count; j++) {
+			if( aclp[i].a_type > aclp[j].a_type ) {
+				/* ACL entries out of order, swap them */
+
+				hpux_swap_acl_entries((aclp+i), (aclp+j));
+
+			} else if ( aclp[i].a_type == aclp[j].a_type ) {
+
+				/* ACL entries of same type, sort by id */
+
+				if(aclp[i].a_id > aclp[j].a_id) {
+					hpux_swap_acl_entries((aclp+i), (aclp+j));
+				} else if (aclp[i].a_id == aclp[j].a_id) {
+					/* We have a duplicate entry. */
+					if(hpux_prohibited_duplicate_type(aclp[i].a_type)) {
+						DEBUG(0, ("hpux_acl_sort: Duplicate entry: Type(hex): %x Id: %d\n",
+							aclp[i].a_type, aclp[i].a_id));
+						return -1;
+					}
+				}
+
+			}
+		}
+	}
+
+	/* set the class obj permissions to the computed one. */
+	if(calclass) {
+		int n_class_obj_index = -1;
+
+		for(i=0;i<acl_count;i++) {
+			n_class_obj_perm |= hpux_get_needed_class_perm((aclp+i));
+
+			if(aclp[i].a_type == CLASS_OBJ)
+				n_class_obj_index = i;
+		}
+		aclp[n_class_obj_index].a_perm = n_class_obj_perm;
+	}
+
+	return 0;
+#else
+	return aclsort(acl_count, calclass, aclp);
+#endif
+}
+
+/*
+ * sort the ACL and check it for validity
+ *
+ * if it's a minimal ACL with only 4 entries then we
+ * need to recalculate the mask permissions to make
+ * sure that they are the same as the GROUP_OBJ
+ * permissions as required by the UnixWare acl() system call.
+ *
+ * (note: since POSIX allows minimal ACLs which only contain
+ * 3 entries - ie there is no mask entry - we should, in theory,
+ * check for this and add a mask entry if necessary - however
+ * we "know" that the caller of this interface always specifies
+ * a mask so, in practice "this never happens" (tm) - if it *does*
+ * happen aclsort() will fail and return an error and someone will
+ * have to fix it ...)
+ */
+
+static int acl_sort(SMB_ACL_T acl_d)
+{
+	int fixmask = (acl_d->count <= 4);
+
+	if (hpux_acl_sort(acl_d->count, fixmask, acl_d->acl) != 0) {
+		errno = EINVAL;
+		return -1;
+	}
+	return 0;
+}
+ 
+int sys_acl_valid(SMB_ACL_T acl_d)
+{
+	return acl_sort(acl_d);
+}
+
+int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
+{
+	struct stat	s;
+	struct acl	*acl_p;
+	int		acl_count;
+	struct acl	*acl_buf	= NULL;
+	int		ret;
+
+	if(hpux_acl_call_presence() == False) {
+		/* Looks like we don't have the acl() system call on HPUX. 
+		 * May be the system doesn't have the latest version of JFS.
+		 */
+		errno=ENOSYS;
+		return -1; 
+	}
+
+	if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_sort(acl_d) != 0) {
+		return -1;
+	}
+
+	acl_p		= &acl_d->acl[0];
+	acl_count	= acl_d->count;
+
+	/*
+	 * if it's a directory there is extra work to do
+	 * since the acl() system call will replace both
+	 * the access ACLs and the default ACLs (if any)
+	 */
+	if (stat(name, &s) != 0) {
+		return -1;
+	}
+	if (S_ISDIR(s.st_mode)) {
+		SMB_ACL_T	acc_acl;
+		SMB_ACL_T	def_acl;
+		SMB_ACL_T	tmp_acl;
+		int		i;
+
+		if (type == SMB_ACL_TYPE_ACCESS) {
+			acc_acl = acl_d;
+			def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT);
+
+		} else {
+			def_acl = acl_d;
+			acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS);
+		}
+
+		if (tmp_acl == NULL) {
+			return -1;
+		}
+
+		/*
+		 * allocate a temporary buffer for the complete ACL
+		 */
+		acl_count = acc_acl->count + def_acl->count;
+		acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count);
+
+		if (acl_buf == NULL) {
+			sys_acl_free_acl(tmp_acl);
+			errno = ENOMEM;
+			return -1;
+		}
+
+		/*
+		 * copy the access control and default entries into the buffer
+		 */
+		memcpy(&acl_buf[0], &acc_acl->acl[0],
+			acc_acl->count * sizeof(acl_buf[0]));
+
+		memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0],
+			def_acl->count * sizeof(acl_buf[0]));
+
+		/*
+		 * set the ACL_DEFAULT flag on the default entries
+		 */
+		for (i = acc_acl->count; i < acl_count; i++) {
+			acl_buf[i].a_type |= ACL_DEFAULT;
+		}
+
+		sys_acl_free_acl(tmp_acl);
+
+	} else if (type != SMB_ACL_TYPE_ACCESS) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	ret = acl(name, ACL_SET, acl_count, acl_p);
+
+	if (acl_buf) {
+		free(acl_buf);
+	}
+
+	return ret;
+}
+
+int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
+{
+	/*
+	 * HPUX doesn't have the facl call. Fake it using the path.... JRA.
+	 */
+
+	files_struct *fsp = file_find_fd(fd);
+
+	if (fsp == NULL) {
+		errno = EBADF;
+		return NULL;
+	}
+
+	if (acl_sort(acl_d) != 0) {
+		return -1;
+	}
+
+	/*
+	 * We know we're in the same conn context. So we
+	 * can use the relative path.
+	 */
+
+	return sys_acl_set_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS, acl_d);
+}
+
+int sys_acl_delete_def_file(const char *path)
+{
+	SMB_ACL_T	acl_d;
+	int		ret;
+
+	/*
+	 * fetching the access ACL and rewriting it has
+	 * the effect of deleting the default ACL
+	 */
+	if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) {
+		return -1;
+	}
+
+	ret = acl(path, ACL_SET, acl_d->count, acl_d->acl);
+
+	sys_acl_free_acl(acl_d);
+	
+	return ret;
+}
+
+int sys_acl_free_text(char *text)
+{
+	free(text);
+	return 0;
+}
+
+int sys_acl_free_acl(SMB_ACL_T acl_d) 
+{
+	free(acl_d);
+	return 0;
+}
+
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype)
+{
+	return 0;
+}
+
+#elif defined(HAVE_IRIX_ACLS)
+
+int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_p == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (entry_id == SMB_ACL_FIRST_ENTRY) {
+		acl_d->next = 0;
+	}
+
+	if (acl_d->next < 0) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->next >= acl_d->aclp->acl_cnt) {
+		return 0;
+	}
+
+	*entry_p = &acl_d->aclp->acl_entry[acl_d->next++];
+
+	return 1;
+}
+
+int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
+{
+	*type_p = entry_d->ae_tag;
+
+	return 0;
+}
+
+int sys_acl_get_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	*permset_p = entry_d;
+
+	return 0;
+}
+
+void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d)
+{
+	if (entry_d->ae_tag != SMB_ACL_USER
+	    && entry_d->ae_tag != SMB_ACL_GROUP) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	return &entry_d->ae_id;
+}
+
+SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
+{
+	SMB_ACL_T	a;
+
+	if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+	if ((a->aclp = acl_get_file(path_p, type)) == NULL) {
+		SAFE_FREE(a);
+		return NULL;
+	}
+	a->next = -1;
+	a->freeaclp = True;
+	return a;
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	SMB_ACL_T	a;
+
+	if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+	if ((a->aclp = acl_get_fd(fd)) == NULL) {
+		SAFE_FREE(a);
+		return NULL;
+	}
+	a->next = -1;
+	a->freeaclp = True;
+	return a;
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset_d)
+{
+	permset_d->ae_perm = 0;
+
+	return 0;
+}
+
+int sys_acl_add_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	if (perm != SMB_ACL_READ && perm != SMB_ACL_WRITE
+	    && perm != SMB_ACL_EXECUTE) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (permset_d == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	permset_d->ae_perm |= perm;
+
+	return 0;
+}
+
+int sys_acl_get_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
+{
+	return permset_d->ae_perm & perm;
+}
+
+char *sys_acl_to_text(SMB_ACL_T acl_d, ssize_t *len_p)
+{
+	return acl_to_text(acl_d->aclp, len_p);
+}
+
+SMB_ACL_T sys_acl_init(int count)
+{
+	SMB_ACL_T	a;
+
+	if (count < 0) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + sizeof(struct acl))) == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	a->next = -1;
+	a->freeaclp = False;
+	a->aclp = (struct acl *)(&a->aclp + sizeof(struct acl *));
+	a->aclp->acl_cnt = 0;
+
+	return a;
+}
+
+
+int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
+{
+	SMB_ACL_T	acl_d;
+	SMB_ACL_ENTRY_T	entry_d;
+
+	if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (acl_d->aclp->acl_cnt >= ACL_MAX_ENTRIES) {
+		errno = ENOSPC;
+		return -1;
+	}
+
+	entry_d		= &acl_d->aclp->acl_entry[acl_d->aclp->acl_cnt++];
+	entry_d->ae_tag	= 0;
+	entry_d->ae_id	= 0;
+	entry_d->ae_perm	= 0;
+	*entry_p	= entry_d;
+
+	return 0;
+}
+
+int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type)
+{
+	switch (tag_type) {
+		case SMB_ACL_USER:
+		case SMB_ACL_USER_OBJ:
+		case SMB_ACL_GROUP:
+		case SMB_ACL_GROUP_OBJ:
+		case SMB_ACL_OTHER:
+		case SMB_ACL_MASK:
+			entry_d->ae_tag = tag_type;
+			break;
+		default:
+			errno = EINVAL;
+			return -1;
+	}
+
+	return 0;
+}
+
+int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p)
+{
+	if (entry_d->ae_tag != SMB_ACL_GROUP
+	    && entry_d->ae_tag != SMB_ACL_USER) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	entry_d->ae_id = *((id_t *)qual_p);
+
+	return 0;
+}
+
+int sys_acl_set_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T permset_d)
+{
+	if (permset_d->ae_perm & ~(SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE)) {
+		return EINVAL;
+	}
+
+	entry_d->ae_perm = permset_d->ae_perm;
+
+	return 0;
+}
+
+int sys_acl_valid(SMB_ACL_T acl_d)
+{
+	return acl_valid(acl_d->aclp);
+}
+
+int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
+{
+	return acl_set_file(name, type, acl_d->aclp);
+}
+
+int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
+{
+	return acl_set_fd(fd, acl_d->aclp);
+}
+
+int sys_acl_delete_def_file(const char *name)
+{
+	return acl_delete_def_file(name);
+}
+
+int sys_acl_free_text(char *text)
+{
+	return acl_free(text);
+}
+
+int sys_acl_free_acl(SMB_ACL_T acl_d) 
+{
+	if (acl_d->freeaclp) {
+		acl_free(acl_d->aclp);
+	}
+	acl_free(acl_d);
+	return 0;
+}
+
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype)
+{
+	return 0;
+}
+
+#elif defined(HAVE_AIX_ACLS)
+
+/* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
+
+int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+	struct acl_entry_link *link;
+	struct new_acl_entry *entry;
+	int keep_going;
+
+	DEBUG(10,("This is the count: %d\n",theacl->count));
+
+	/* Check if count was previously set to -1. *
+	 * If it was, that means we reached the end *
+	 * of the acl last time.                    */
+	if(theacl->count == -1)
+		return(0);
+
+	link = theacl;
+	/* To get to the next acl, traverse linked list until index *
+	 * of acl matches the count we are keeping.  This count is  *
+	 * incremented each time we return an acl entry.            */
+
+	for(keep_going = 0; keep_going < theacl->count; keep_going++)
+		link = link->nextp;
+
+	entry = *entry_p =  link->entryp;
+
+	DEBUG(10,("*entry_p is %d\n",entry_p));
+	DEBUG(10,("*entry_p->ace_access is %d\n",entry->ace_access));
+
+	/* Increment count */
+	theacl->count++;
+	if(link->nextp == NULL)
+		theacl->count = -1;
+
+	return(1);
+}
+
+int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
+{
+	/* Initialize tag type */
+
+	*tag_type_p = -1;
+	DEBUG(10,("the tagtype is %d\n",entry_d->ace_id->id_type));
+
+	/* Depending on what type of entry we have, *
+	 * return tag type.                         */
+	switch(entry_d->ace_id->id_type) {
+	case ACEID_USER:
+		*tag_type_p = SMB_ACL_USER;
+		break;
+	case ACEID_GROUP:
+		*tag_type_p = SMB_ACL_GROUP;
+		break;
+
+	case SMB_ACL_USER_OBJ:
+	case SMB_ACL_GROUP_OBJ:
+	case SMB_ACL_OTHER:
+		*tag_type_p = entry_d->ace_id->id_type;
+		break;
+ 
+	default:
+		return(-1);
+	}
+
+	return(0);
+}
+
+int sys_acl_get_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+	DEBUG(10,("Starting AIX sys_acl_get_permset\n"));
+	*permset_p = &entry_d->ace_access;
+	DEBUG(10,("**permset_p is %d\n",**permset_p));
+	if(!(**permset_p & S_IXUSR) &&
+		!(**permset_p & S_IWUSR) &&
+		!(**permset_p & S_IRUSR) &&
+		(**permset_p != 0))
+			return(-1);
+
+	DEBUG(10,("Ending AIX sys_acl_get_permset\n"));
+	return(0);
+}
+
+void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d)
+{
+	return(entry_d->ace_id->id_data);
+}
+
+SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
+{
+	struct acl *file_acl = (struct acl *)NULL;
+	struct acl_entry *acl_entry;
+	struct new_acl_entry *new_acl_entry;
+	struct ace_id *idp;
+	struct acl_entry_link *acl_entry_link;
+	struct acl_entry_link *acl_entry_link_head;
+	int i;
+	int rc = 0;
+	uid_t user_id;
+
+	/* AIX has no DEFAULT */
+	if  ( type == SMB_ACL_TYPE_DEFAULT )
+		return NULL;
+
+	/* Get the acl using statacl */
+ 
+	DEBUG(10,("Entering sys_acl_get_file\n"));
+	DEBUG(10,("path_p is %s\n",path_p));
+
+	file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
+ 
+	if(file_acl == NULL) {
+		errno=ENOMEM;
+		DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno));
+		return(NULL);
+	}
+
+	memset(file_acl,0,BUFSIZ);
+
+	rc = statacl((char *)path_p,0,file_acl,BUFSIZ);
+	if(rc == -1) {
+		DEBUG(0,("statacl returned %d with errno %d\n",rc,errno));
+		SAFE_FREE(file_acl);
+		return(NULL);
+	}
+
+	DEBUG(10,("Got facl and returned it\n"));
+
+	/* Point to the first acl entry in the acl */
+	acl_entry =  file_acl->acl_ext;
+
+	/* Begin setting up the head of the linked list *
+	 * that will be used for the storing the acl    *
+	 * in a way that is useful for the posix_acls.c *
+	 * code.                                          */
+
+	acl_entry_link_head = acl_entry_link = sys_acl_init(0);
+	if(acl_entry_link_head == NULL)
+		return(NULL);
+
+	acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+	if(acl_entry_link->entryp == NULL) {
+		SAFE_FREE(file_acl);
+		errno = ENOMEM;
+		DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
+		return(NULL);
+	}
+
+	DEBUG(10,("acl_entry is %d\n",acl_entry));
+	DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl)));
+
+	/* Check if the extended acl bit is on.   *
+	 * If it isn't, do not show the           *
+	 * contents of the acl since AIX intends *
+	 * the extended info to remain unused     */
+
+	if(file_acl->acl_mode & S_IXACL){
+		/* while we are not pointing to the very end */
+		while(acl_entry < acl_last(file_acl)) {
+			/* before we malloc anything, make sure this is  */
+			/* a valid acl entry and one that we want to map */
+			idp = id_nxt(acl_entry->ace_id);
+			if((acl_entry->ace_type == ACC_SPECIFY ||
+				(acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) {
+					acl_entry = acl_nxt(acl_entry);
+					continue;
+			}
+
+			idp = acl_entry->ace_id;
+
+			/* Check if this is the first entry in the linked list. *
+			 * The first entry needs to keep prevp pointing to NULL *
+			 * and already has entryp allocated.                  */
+
+			if(acl_entry_link_head->count != 0) {
+				acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
+
+				if(acl_entry_link->nextp == NULL) {
+					SAFE_FREE(file_acl);
+					errno = ENOMEM;
+					DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
+					return(NULL);
+				}
+
+				acl_entry_link->nextp->prevp = acl_entry_link;
+				acl_entry_link = acl_entry_link->nextp;
+				acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+				if(acl_entry_link->entryp == NULL) {
+					SAFE_FREE(file_acl);
+					errno = ENOMEM;
+					DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
+					return(NULL);
+				}
+				acl_entry_link->nextp = NULL;
+			}
+
+			acl_entry_link->entryp->ace_len = acl_entry->ace_len;
+
+			/* Don't really need this since all types are going *
+			 * to be specified but, it's better than leaving it 0 */
+
+			acl_entry_link->entryp->ace_type = acl_entry->ace_type;
+ 
+			acl_entry_link->entryp->ace_access = acl_entry->ace_access;
+ 
+			memcpy(acl_entry_link->entryp->ace_id,idp,sizeof(struct ace_id));
+
+			/* The access in the acl entries must be left shifted by *
+			 * three bites, because they will ultimately be compared *
+			 * to S_IRUSR, S_IWUSR, and S_IXUSR.                  */
+
+			switch(acl_entry->ace_type){
+			case ACC_PERMIT:
+			case ACC_SPECIFY:
+				acl_entry_link->entryp->ace_access = acl_entry->ace_access;
+				acl_entry_link->entryp->ace_access <<= 6;
+				acl_entry_link_head->count++;
+				break;
+			case ACC_DENY:
+				/* Since there is no way to return a DENY acl entry *
+				 * change to PERMIT and then shift.                 */
+				DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access));
+				acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
+				DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access));
+				acl_entry_link->entryp->ace_access <<= 6;
+				acl_entry_link_head->count++;
+				break;
+			default:
+				return(0);
+			}
+
+			DEBUG(10,("acl_entry = %d\n",acl_entry));
+			DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type));
+ 
+			acl_entry = acl_nxt(acl_entry);
+		}
+	} /* end of if enabled */
+
+	/* Since owner, group, other acl entries are not *
+	 * part of the acl entries in an acl, they must  *
+	 * be dummied up to become part of the list.     */
+
+	for( i = 1; i < 4; i++) {
+		DEBUG(10,("i is %d\n",i));
+		if(acl_entry_link_head->count != 0) {
+			acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
+			if(acl_entry_link->nextp == NULL) {
+				SAFE_FREE(file_acl);
+				errno = ENOMEM;
+				DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
+				return(NULL);
+			}
+
+			acl_entry_link->nextp->prevp = acl_entry_link;
+			acl_entry_link = acl_entry_link->nextp;
+			acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+			if(acl_entry_link->entryp == NULL) {
+				SAFE_FREE(file_acl);
+				errno = ENOMEM;
+				DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
+				return(NULL);
+			}
+		}
+
+		acl_entry_link->nextp = NULL;
+
+		new_acl_entry = acl_entry_link->entryp;
+		idp = new_acl_entry->ace_id;
+
+		new_acl_entry->ace_len = sizeof(struct acl_entry);
+		new_acl_entry->ace_type = ACC_PERMIT;
+		idp->id_len = sizeof(struct ace_id);
+		DEBUG(10,("idp->id_len = %d\n",idp->id_len));
+		memset(idp->id_data,0,sizeof(uid_t));
+
+		switch(i) {
+		case 2:
+			new_acl_entry->ace_access = file_acl->g_access << 6;
+			idp->id_type = SMB_ACL_GROUP_OBJ;
+			break;
+
+		case 3:
+			new_acl_entry->ace_access = file_acl->o_access << 6;
+			idp->id_type = SMB_ACL_OTHER;
+			break;
+ 
+		case 1:
+			new_acl_entry->ace_access = file_acl->u_access << 6;
+			idp->id_type = SMB_ACL_USER_OBJ;
+			break;
+ 
+		default:
+			return(NULL);
+
+		}
+
+		acl_entry_link_head->count++;
+		DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access));
+	}
+
+	acl_entry_link_head->count = 0;
+	SAFE_FREE(file_acl);
+
+	return(acl_entry_link_head);
+}
+
+SMB_ACL_T sys_acl_get_fd(int fd)
+{
+	struct acl *file_acl = (struct acl *)NULL;
+	struct acl_entry *acl_entry;
+	struct new_acl_entry *new_acl_entry;
+	struct ace_id *idp;
+	struct acl_entry_link *acl_entry_link;
+	struct acl_entry_link *acl_entry_link_head;
+	int i;
+	int rc = 0;
+	uid_t user_id;
+
+	/* Get the acl using fstatacl */
+   
+	DEBUG(10,("Entering sys_acl_get_fd\n"));
+	DEBUG(10,("fd is %d\n",fd));
+	file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
+
+	if(file_acl == NULL) {
+		errno=ENOMEM;
+		DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+		return(NULL);
+	}
+
+	memset(file_acl,0,BUFSIZ);
+
+	rc = fstatacl(fd,0,file_acl,BUFSIZ);
+	if(rc == -1) {
+		DEBUG(0,("The fstatacl call returned %d with errno %d\n",rc,errno));
+		SAFE_FREE(file_acl);
+		return(NULL);
+	}
+
+	DEBUG(10,("Got facl and returned it\n"));
+
+	/* Point to the first acl entry in the acl */
+
+	acl_entry =  file_acl->acl_ext;
+	/* Begin setting up the head of the linked list *
+	 * that will be used for the storing the acl    *
+	 * in a way that is useful for the posix_acls.c *
+	 * code.                                        */
+
+	acl_entry_link_head = acl_entry_link = sys_acl_init(0);
+	if(acl_entry_link_head == NULL){
+		SAFE_FREE(file_acl);
+		return(NULL);
+	}
+
+	acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+
+	if(acl_entry_link->entryp == NULL) {
+		errno = ENOMEM;
+		DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+		SAFE_FREE(file_acl);
+		return(NULL);
+	}
+
+	DEBUG(10,("acl_entry is %d\n",acl_entry));
+	DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl)));
+ 
+	/* Check if the extended acl bit is on.   *
+	 * If it isn't, do not show the           *
+	 * contents of the acl since AIX intends  *
+	 * the extended info to remain unused     */
+ 
+	if(file_acl->acl_mode & S_IXACL){
+		/* while we are not pointing to the very end */
+		while(acl_entry < acl_last(file_acl)) {
+			/* before we malloc anything, make sure this is  */
+			/* a valid acl entry and one that we want to map */
+
+			idp = id_nxt(acl_entry->ace_id);
+			if((acl_entry->ace_type == ACC_SPECIFY ||
+				(acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) {
+					acl_entry = acl_nxt(acl_entry);
+					continue;
+			}
+
+			idp = acl_entry->ace_id;
+ 
+			/* Check if this is the first entry in the linked list. *
+			 * The first entry needs to keep prevp pointing to NULL *
+			 * and already has entryp allocated.                 */
+
+			if(acl_entry_link_head->count != 0) {
+				acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
+				if(acl_entry_link->nextp == NULL) {
+					errno = ENOMEM;
+					DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+					SAFE_FREE(file_acl);
+					return(NULL);
+				}
+				acl_entry_link->nextp->prevp = acl_entry_link;
+				acl_entry_link = acl_entry_link->nextp;
+				acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+				if(acl_entry_link->entryp == NULL) {
+					errno = ENOMEM;
+					DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+					SAFE_FREE(file_acl);
+					return(NULL);
+				}
+
+				acl_entry_link->nextp = NULL;
+			}
+
+			acl_entry_link->entryp->ace_len = acl_entry->ace_len;
+
+			/* Don't really need this since all types are going *
+			 * to be specified but, it's better than leaving it 0 */
+
+			acl_entry_link->entryp->ace_type = acl_entry->ace_type;
+			acl_entry_link->entryp->ace_access = acl_entry->ace_access;
+
+			memcpy(acl_entry_link->entryp->ace_id, idp, sizeof(struct ace_id));
+
+			/* The access in the acl entries must be left shifted by *
+			 * three bites, because they will ultimately be compared *
+			 * to S_IRUSR, S_IWUSR, and S_IXUSR.                  */
+
+			switch(acl_entry->ace_type){
+			case ACC_PERMIT:
+			case ACC_SPECIFY:
+				acl_entry_link->entryp->ace_access = acl_entry->ace_access;
+				acl_entry_link->entryp->ace_access <<= 6;
+				acl_entry_link_head->count++;
+				break;
+			case ACC_DENY:
+				/* Since there is no way to return a DENY acl entry *
+				 * change to PERMIT and then shift.                 */
+				DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access));
+				acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
+				DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access));
+				acl_entry_link->entryp->ace_access <<= 6;
+				acl_entry_link_head->count++;
+				break;
+			default:
+				return(0);
+			}
+
+			DEBUG(10,("acl_entry = %d\n",acl_entry));
+			DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type));
+ 
+			acl_entry = acl_nxt(acl_entry);
+		}
+	} /* end of if enabled */
+
+	/* Since owner, group, other acl entries are not *
+	 * part of the acl entries in an acl, they must  *
+	 * be dummied up to become part of the list.     */
+
+	for( i = 1; i < 4; i++) {
+		DEBUG(10,("i is %d\n",i));
+		if(acl_entry_link_head->count != 0){
+			acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
+			if(acl_entry_link->nextp == NULL) {
+				errno = ENOMEM;
+				DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+				SAFE_FREE(file_acl);
+				return(NULL);
+			}
+
+			acl_entry_link->nextp->prevp = acl_entry_link;
+			acl_entry_link = acl_entry_link->nextp;
+			acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
+
+			if(acl_entry_link->entryp == NULL) {
+				SAFE_FREE(file_acl);
+				errno = ENOMEM;
+				DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
+				return(NULL);
+			}
+		}
+
+		acl_entry_link->nextp = NULL;
+ 
+		new_acl_entry = acl_entry_link->entryp;
+		idp = new_acl_entry->ace_id;
+ 
+		new_acl_entry->ace_len = sizeof(struct acl_entry);
+		new_acl_entry->ace_type = ACC_PERMIT;
+		idp->id_len = sizeof(struct ace_id);
+		DEBUG(10,("idp->id_len = %d\n",idp->id_len));
+		memset(idp->id_data,0,sizeof(uid_t));
+ 
+		switch(i) {
+		case 2:
+			new_acl_entry->ace_access = file_acl->g_access << 6;
+			idp->id_type = SMB_ACL_GROUP_OBJ;
+			break;
+ 
+		case 3:
+			new_acl_entry->ace_access = file_acl->o_access << 6;
+			idp->id_type = SMB_ACL_OTHER;
+			break;
+ 
+		case 1:
+			new_acl_entry->ace_access = file_acl->u_access << 6;
+			idp->id_type = SMB_ACL_USER_OBJ;
+			break;
+ 
+		default:
+			return(NULL);
+		}
+ 
+		acl_entry_link_head->count++;
+		DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access));
+	}
+
+	acl_entry_link_head->count = 0;
+	SAFE_FREE(file_acl);
+ 
+	return(acl_entry_link_head);
+}
+
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset)
+{
+	*permset = *permset & ~0777;
+	return(0);
+}
+
+int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	if((perm != 0) &&
+			(perm & (S_IXUSR | S_IWUSR | S_IRUSR)) == 0)
+		return(-1);
+
+	*permset |= perm;
+	DEBUG(10,("This is the permset now: %d\n",*permset));
+	return(0);
+}
+
+char *sys_acl_to_text( SMB_ACL_T theacl, ssize_t *plen)
+{
+	return(NULL);
+}
+
+SMB_ACL_T sys_acl_init( int count)
+{
+	struct acl_entry_link *theacl = NULL;
+ 
+	DEBUG(10,("Entering sys_acl_init\n"));
+
+	theacl = SMB_MALLOC_P(struct acl_entry_link);
+	if(theacl == NULL) {
+		errno = ENOMEM;
+		DEBUG(0,("Error in sys_acl_init is %d\n",errno));
+		return(NULL);
+	}
+
+	theacl->count = 0;
+	theacl->nextp = NULL;
+	theacl->prevp = NULL;
+	theacl->entryp = NULL;
+	DEBUG(10,("Exiting sys_acl_init\n"));
+	return(theacl);
+}
+
+int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
+{
+	struct acl_entry_link *theacl;
+	struct acl_entry_link *acl_entryp;
+	struct acl_entry_link *temp_entry;
+	int counting;
+
+	DEBUG(10,("Entering the sys_acl_create_entry\n"));
+
+	theacl = acl_entryp = *pacl;
+
+	/* Get to the end of the acl before adding entry */
+
+	for(counting=0; counting < theacl->count; counting++){
+		DEBUG(10,("The acl_entryp is %d\n",acl_entryp));
+		temp_entry = acl_entryp;
+		acl_entryp = acl_entryp->nextp;
+	}
+
+	if(theacl->count != 0){
+		temp_entry->nextp = acl_entryp = SMB_MALLOC_P(struct acl_entry_link);
+		if(acl_entryp == NULL) {
+			errno = ENOMEM;
+			DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno));
+			return(-1);
+		}
+
+		DEBUG(10,("The acl_entryp is %d\n",acl_entryp));
+		acl_entryp->prevp = temp_entry;
+		DEBUG(10,("The acl_entryp->prevp is %d\n",acl_entryp->prevp));
+	}
+
+	*pentry = acl_entryp->entryp = SMB_MALLOC_P(struct new_acl_entry);
+	if(*pentry == NULL) {
+		errno = ENOMEM;
+		DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno));
+		return(-1);
+	}
+
+	memset(*pentry,0,sizeof(struct new_acl_entry));
+	acl_entryp->entryp->ace_len = sizeof(struct acl_entry);
+	acl_entryp->entryp->ace_type = ACC_PERMIT;
+	acl_entryp->entryp->ace_id->id_len = sizeof(struct ace_id);
+	acl_entryp->nextp = NULL;
+	theacl->count++;
+	DEBUG(10,("Exiting sys_acl_create_entry\n"));
+	return(0);
+}
+
+int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
+{
+	DEBUG(10,("Starting AIX sys_acl_set_tag_type\n"));
+	entry->ace_id->id_type = tagtype;
+	DEBUG(10,("The tag type is %d\n",entry->ace_id->id_type));
+	DEBUG(10,("Ending AIX sys_acl_set_tag_type\n"));
+}
+
+int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual)
+{
+	DEBUG(10,("Starting AIX sys_acl_set_qualifier\n"));
+	memcpy(entry->ace_id->id_data,qual,sizeof(uid_t));
+	DEBUG(10,("Ending AIX sys_acl_set_qualifier\n"));
+	return(0);
+}
+
+int sys_acl_set_permset( SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
+{
+	DEBUG(10,("Starting AIX sys_acl_set_permset\n"));
+	if(!(*permset & S_IXUSR) &&
+		!(*permset & S_IWUSR) &&
+		!(*permset & S_IRUSR) &&
+		(*permset != 0))
+			return(-1);
+
+	entry->ace_access = *permset;
+	DEBUG(10,("entry->ace_access = %d\n",entry->ace_access));
+	DEBUG(10,("Ending AIX sys_acl_set_permset\n"));
+	return(0);
+}
+
+int sys_acl_valid( SMB_ACL_T theacl )
+{
+	int user_obj = 0;
+	int group_obj = 0;
+	int other_obj = 0;
+	struct acl_entry_link *acl_entry;
+
+	for(acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) {
+		user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ);
+		group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ);
+		other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER);
+	}
+
+	DEBUG(10,("user_obj=%d, group_obj=%d, other_obj=%d\n",user_obj,group_obj,other_obj));
+ 
+	if(user_obj != 1 || group_obj != 1 || other_obj != 1)
+		return(-1); 
+
+	return(0);
+}
+
+int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
+{
+	struct acl_entry_link *acl_entry_link = NULL;
+	struct acl *file_acl = NULL;
+	struct acl *file_acl_temp = NULL;
+	struct acl_entry *acl_entry = NULL;
+	struct ace_id *ace_id = NULL;
+	uint id_type;
+	uint ace_access;
+	uint user_id;
+	uint acl_length;
+	uint rc;
+
+	DEBUG(10,("Entering sys_acl_set_file\n"));
+	DEBUG(10,("File name is %s\n",name));
+ 
+	/* AIX has no default ACL */
+	if(acltype == SMB_ACL_TYPE_DEFAULT)
+		return(0);
+
+	acl_length = BUFSIZ;
+	file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
+
+	if(file_acl == NULL) {
+		errno = ENOMEM;
+		DEBUG(0,("Error in sys_acl_set_file is %d\n",errno));
+		return(-1);
+	}
+
+	memset(file_acl,0,BUFSIZ);
+
+	file_acl->acl_len = ACL_SIZ;
+	file_acl->acl_mode = S_IXACL;
+
+	for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
+		acl_entry_link->entryp->ace_access >>= 6;
+		id_type = acl_entry_link->entryp->ace_id->id_type;
+
+		switch(id_type) {
+		case SMB_ACL_USER_OBJ:
+			file_acl->u_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_GROUP_OBJ:
+			file_acl->g_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_OTHER:
+			file_acl->o_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_MASK:
+			continue;
+		}
+
+		if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) {
+			acl_length += sizeof(struct acl_entry);
+			file_acl_temp = (struct acl *)SMB_MALLOC(acl_length);
+			if(file_acl_temp == NULL) {
+				SAFE_FREE(file_acl);
+				errno = ENOMEM;
+				DEBUG(0,("Error in sys_acl_set_file is %d\n",errno));
+				return(-1);
+			}  
+
+			memcpy(file_acl_temp,file_acl,file_acl->acl_len);
+			SAFE_FREE(file_acl);
+			file_acl = file_acl_temp;
+		}
+
+		acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
+		file_acl->acl_len += sizeof(struct acl_entry);
+		acl_entry->ace_len = acl_entry_link->entryp->ace_len;
+		acl_entry->ace_access = acl_entry_link->entryp->ace_access;
+ 
+		/* In order to use this, we'll need to wait until we can get denies */
+		/* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
+		acl_entry->ace_type = ACC_SPECIFY; */
+
+		acl_entry->ace_type = ACC_SPECIFY;
+ 
+		ace_id = acl_entry->ace_id;
+ 
+		ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
+		DEBUG(10,("The id type is %d\n",ace_id->id_type));
+		ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
+		memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t));
+		memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t));
+	}
+
+	rc = chacl(name,file_acl,file_acl->acl_len);
+	DEBUG(10,("errno is %d\n",errno));
+	DEBUG(10,("return code is %d\n",rc));
+	SAFE_FREE(file_acl);
+	DEBUG(10,("Exiting the sys_acl_set_file\n"));
+	return(rc);
+}
+
+int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
+{
+	struct acl_entry_link *acl_entry_link = NULL;
+	struct acl *file_acl = NULL;
+	struct acl *file_acl_temp = NULL;
+	struct acl_entry *acl_entry = NULL;
+	struct ace_id *ace_id = NULL;
+	uint id_type;
+	uint user_id;
+	uint acl_length;
+	uint rc;
+ 
+	DEBUG(10,("Entering sys_acl_set_fd\n"));
+	acl_length = BUFSIZ;
+	file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
+
+	if(file_acl == NULL) {
+		errno = ENOMEM;
+		DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno));
+		return(-1);
+	}
+
+	memset(file_acl,0,BUFSIZ);
+ 
+	file_acl->acl_len = ACL_SIZ;
+	file_acl->acl_mode = S_IXACL;
+
+	for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
+		acl_entry_link->entryp->ace_access >>= 6;
+		id_type = acl_entry_link->entryp->ace_id->id_type;
+		DEBUG(10,("The id_type is %d\n",id_type));
+
+		switch(id_type) {
+		case SMB_ACL_USER_OBJ:
+			file_acl->u_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_GROUP_OBJ:
+			file_acl->g_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_OTHER:
+			file_acl->o_access = acl_entry_link->entryp->ace_access;
+			continue;
+		case SMB_ACL_MASK:
+			continue;
+		}
+
+		if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) {
+			acl_length += sizeof(struct acl_entry);
+			file_acl_temp = (struct acl *)SMB_MALLOC(acl_length);
+			if(file_acl_temp == NULL) {
+				SAFE_FREE(file_acl);
+				errno = ENOMEM;
+				DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno));
+				return(-1);
+			}
+
+			memcpy(file_acl_temp,file_acl,file_acl->acl_len);
+			SAFE_FREE(file_acl);
+			file_acl = file_acl_temp;
+		}
+
+		acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
+		file_acl->acl_len += sizeof(struct acl_entry);
+		acl_entry->ace_len = acl_entry_link->entryp->ace_len;
+		acl_entry->ace_access = acl_entry_link->entryp->ace_access;
+ 
+		/* In order to use this, we'll need to wait until we can get denies */
+		/* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
+			acl_entry->ace_type = ACC_SPECIFY; */
+ 
+		acl_entry->ace_type = ACC_SPECIFY;
+ 
+		ace_id = acl_entry->ace_id;
+ 
+		ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
+		DEBUG(10,("The id type is %d\n",ace_id->id_type));
+		ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
+		memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t));
+		memcpy(ace_id->id_data, &user_id, sizeof(uid_t));
+	}
+ 
+	rc = fchacl(fd,file_acl,file_acl->acl_len);
+	DEBUG(10,("errno is %d\n",errno));
+	DEBUG(10,("return code is %d\n",rc));
+	SAFE_FREE(file_acl);
+	DEBUG(10,("Exiting sys_acl_set_fd\n"));
+	return(rc);
+}
+
+int sys_acl_delete_def_file(const char *name)
+{
+	/* AIX has no default ACL */
+	return 0;
+}
+
+int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	return(*permset & perm);
+}
+
+int sys_acl_free_text(char *text)
+{
+	return(0);
+}
+
+int sys_acl_free_acl(SMB_ACL_T posix_acl)
+{
+	struct acl_entry_link *acl_entry_link;
+
+	for(acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) {
+		SAFE_FREE(acl_entry_link->prevp->entryp);
+		SAFE_FREE(acl_entry_link->prevp);
+	}
+
+	SAFE_FREE(acl_entry_link->prevp->entryp);
+	SAFE_FREE(acl_entry_link->prevp);
+	SAFE_FREE(acl_entry_link->entryp);
+	SAFE_FREE(acl_entry_link);
+ 
+	return(0);
+}
+
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype)
+{
+	return(0);
+}
+
+#else /* No ACLs. */
+
+int sys_acl_get_entry(UNUSED(SMB_ACL_T the_acl), UNUSED(int entry_id), UNUSED(SMB_ACL_ENTRY_T *entry_p))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_get_tag_type(UNUSED(SMB_ACL_ENTRY_T entry_d), UNUSED(SMB_ACL_TAG_T *tag_type_p))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_get_permset(UNUSED(SMB_ACL_ENTRY_T entry_d), UNUSED(SMB_ACL_PERMSET_T *permset_p))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+void *sys_acl_get_qualifier(UNUSED(SMB_ACL_ENTRY_T entry_d))
+{
+	errno = ENOSYS;
+	return NULL;
+}
+
+SMB_ACL_T sys_acl_get_file(UNUSED(const char *path_p), UNUSED(SMB_ACL_TYPE_T type))
+{
+	errno = ENOSYS;
+	return (SMB_ACL_T)NULL;
+}
+
+SMB_ACL_T sys_acl_get_fd(UNUSED(int fd))
+{
+	errno = ENOSYS;
+	return (SMB_ACL_T)NULL;
+}
+
+int sys_acl_clear_perms(UNUSED(SMB_ACL_PERMSET_T permset))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_add_perm( UNUSED(SMB_ACL_PERMSET_T permset), UNUSED(SMB_ACL_PERM_T perm))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+	errno = ENOSYS;
+	return (permset & perm) ? 1 : 0;
+}
+
+char *sys_acl_to_text(UNUSED(SMB_ACL_T the_acl), UNUSED(ssize_t *plen))
+{
+	errno = ENOSYS;
+	return NULL;
+}
+
+int sys_acl_free_text(UNUSED(char *text))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+SMB_ACL_T sys_acl_init(UNUSED(int count))
+{
+	errno = ENOSYS;
+	return NULL;
+}
+
+int sys_acl_create_entry(UNUSED(SMB_ACL_T *pacl), UNUSED(SMB_ACL_ENTRY_T *pentry))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_set_tag_type(UNUSED(SMB_ACL_ENTRY_T entry), UNUSED(SMB_ACL_TAG_T tagtype))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_set_qualifier(UNUSED(SMB_ACL_ENTRY_T entry), UNUSED(void *qual))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_set_permset(UNUSED(SMB_ACL_ENTRY_T entry), UNUSED(SMB_ACL_PERMSET_T permset))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_valid(UNUSED(SMB_ACL_T theacl))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_set_file(UNUSED(const char *name), UNUSED(SMB_ACL_TYPE_T acltype), UNUSED(SMB_ACL_T theacl))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_set_fd(UNUSED(int fd), UNUSED(SMB_ACL_T theacl))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_delete_def_file(UNUSED(const char *name))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_free_acl(UNUSED(SMB_ACL_T the_acl))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+int sys_acl_free_qualifier(UNUSED(void *qual), UNUSED(SMB_ACL_TAG_T tagtype))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+#endif /* No ACLs. */
+
+/************************************************************************
+ Deliberately outside the ACL defines. Return 1 if this is a "no acls"
+ errno, 0 if not.
+************************************************************************/
+
+int no_acl_syscall_error(int err)
+{
+#if defined(ENOSYS)
+	if (err == ENOSYS) {
+		return 1;
+	}
+#endif
+#if defined(ENOTSUP)
+	if (err == ENOTSUP) {
+		return 1;
+	}
+#endif
+	return 0;
+}
--- old/lib/sysacls.h
+++ new/lib/sysacls.h
@@ -0,0 +1,28 @@
+#define SMB_MALLOC(cnt) new_array(char, cnt)
+#define SMB_MALLOC_P(obj) new_array(obj, 1)
+#define SMB_MALLOC_ARRAY(obj, cnt) new_array(obj, cnt)
+#define SMB_REALLOC(mem, cnt) realloc_array(mem, char, cnt)
+#define slprintf snprintf
+
+int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
+int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
+int sys_acl_get_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
+void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d);
+SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type);
+SMB_ACL_T sys_acl_get_fd(int fd);
+int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset);
+int sys_acl_add_perm(SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
+int sys_acl_get_perm(SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
+char *sys_acl_to_text(SMB_ACL_T the_acl, ssize_t *plen);
+SMB_ACL_T sys_acl_init(int count);
+int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
+int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
+int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry, void *qual);
+int sys_acl_set_permset(SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
+int sys_acl_valid(SMB_ACL_T theacl);
+int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
+int sys_acl_set_fd(int fd, SMB_ACL_T theacl);
+int sys_acl_delete_def_file(const char *name);
+int sys_acl_free_text(char *text);
+int sys_acl_free_acl(SMB_ACL_T the_acl);
+int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype);
--- old/mkproto.awk
+++ new/mkproto.awk
@@ -58,7 +58,7 @@ BEGIN {
   next;
 }
 
-!/^OFF_T|^size_t|^off_t|^pid_t|^unsigned|^mode_t|^DIR|^user|^int|^char|^uint|^uchar|^short|^struct|^BOOL|^void|^time|^const|^RETSIGTYPE/ {
+!/^OFF_T|^size_t|^off_t|^pid_t|^id_t|^unsigned|^mode_t|^DIR|^user|^int|^char|^uint|^uchar|^short|^struct|^BOOL|^void|^time|^const|^RETSIGTYPE/ {
   next;
 }
 
--- old/options.c
+++ new/options.c
@@ -45,6 +45,7 @@ int copy_dirlinks = 0;
 int copy_links = 0;
 int preserve_links = 0;
 int preserve_hard_links = 0;
+int preserve_acls = 0;
 int preserve_perms = 0;
 int preserve_executability = 0;
 int preserve_devices = 0;
@@ -194,6 +195,7 @@ static void print_rsync_version(enum log
 	char const *got_socketpair = "no ";
 	char const *have_inplace = "no ";
 	char const *hardlinks = "no ";
+	char const *acls = "no ";
 	char const *links = "no ";
 	char const *ipv6 = "no ";
 	STRUCT_STAT *dumstat;
@@ -210,6 +212,10 @@ static void print_rsync_version(enum log
 	hardlinks = "";
 #endif
 
+#ifdef SUPPORT_ACLS
+	acls = "";
+#endif
+
 #ifdef SUPPORT_LINKS
 	links = "";
 #endif
@@ -223,9 +229,9 @@ static void print_rsync_version(enum log
 	rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n");
 	rprintf(f, "<http://rsync.samba.org/>\n");
 	rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
-		"%shard links, %ssymlinks, batchfiles,\n",
+		"%shard links, %sACLs, %ssymlinks, batchfiles,\n",
 		(int) (sizeof (OFF_T) * 8),
-		got_socketpair, hardlinks, links);
+		got_socketpair, hardlinks, acls, links);
 
 	/* Note that this field may not have type ino_t.  It depends
 	 * on the complicated interaction between largefile feature
@@ -295,6 +301,9 @@ void usage(enum logcode F)
   rprintf(F," -H, --hard-links            preserve hard links\n");
   rprintf(F," -p, --perms                 preserve permissions\n");
   rprintf(F," -E, --executability         preserve the file's executability\n");
+#ifdef SUPPORT_ACLS
+  rprintf(F," -A, --acls                  preserve ACLs (implies --perms)\n");
+#endif
   rprintf(F,"     --chmod=CHMOD           change destination permissions\n");
   rprintf(F," -o, --owner                 preserve owner (super-user only)\n");
   rprintf(F," -g, --group                 preserve group\n");
@@ -410,6 +419,9 @@ static struct poptOption long_options[] 
   {"no-perms",         0,  POPT_ARG_VAL,    &preserve_perms, 0, 0, 0 },
   {"no-p",             0,  POPT_ARG_VAL,    &preserve_perms, 0, 0, 0 },
   {"executability",   'E', POPT_ARG_NONE,   &preserve_executability, 0, 0, 0 },
+  {"acls",            'A', POPT_ARG_NONE,   0, 'A', 0, 0 },
+  {"no-acls",          0,  POPT_ARG_VAL,    &preserve_acls, 0, 0, 0 },
+  {"no-A",             0,  POPT_ARG_VAL,    &preserve_acls, 0, 0, 0 },
   {"times",           't', POPT_ARG_VAL,    &preserve_times, 1, 0, 0 },
   {"no-times",         0,  POPT_ARG_VAL,    &preserve_times, 0, 0, 0 },
   {"no-t",             0,  POPT_ARG_VAL,    &preserve_times, 0, 0, 0 },
@@ -1068,6 +1080,23 @@ int parse_arguments(int *argc, const cha
 			usage(FINFO);
 			exit_cleanup(0);
 
+		case 'A':
+#ifdef SUPPORT_ACLS
+			preserve_acls = preserve_perms = 1;
+			break;
+#else
+			/* FIXME: this should probably be ignored with a
+ 			 * warning and then countermeasures taken to
+ 			 * restrict group and other access in the presence
+ 			 * of any more restrictive ACLs, but this is safe
+			 * for now */
+			snprintf(err_buf,sizeof(err_buf),
+                                 "ACLs are not supported on this %s\n",
+				 am_server ? "server" : "client");
+			return 0;
+#endif
+
+
 		default:
 			/* A large opt value means that set_refuse_options()
 			 * turned this option off. */
@@ -1511,6 +1540,10 @@ void server_options(char **args,int *arg
 
 	if (preserve_hard_links)
 		argstr[x++] = 'H';
+#ifdef SUPPORT_ACLS
+	if (preserve_acls)
+		argstr[x++] = 'A';
+#endif
 	if (preserve_uid)
 		argstr[x++] = 'o';
 	if (preserve_gid)
--- old/receiver.c
+++ new/receiver.c
@@ -46,6 +46,7 @@ extern int keep_partial;
 extern int checksum_seed;
 extern int inplace;
 extern int delay_updates;
+extern mode_t orig_umask;
 extern struct stats stats;
 extern char *log_format;
 extern char *tmpdir;
@@ -344,6 +345,10 @@ int recv_files(int f_in, struct file_lis
 	int itemizing = am_daemon ? daemon_log_format_has_i
 		      : !am_server && log_format_has_i;
 	int max_phase = protocol_version >= 29 ? 2 : 1;
+	int dflt_perms = (ACCESSPERMS & ~orig_umask);
+#ifdef SUPPORT_ACLS
+	char *parent_dirname = "";
+#endif
 	int i, recv_ok;
 
 	if (verbose > 2)
@@ -541,7 +546,16 @@ int recv_files(int f_in, struct file_lis
 		 * mode based on the local permissions and some heuristics. */
 		if (!preserve_perms) {
 			int exists = fd1 != -1;
-			file->mode = dest_mode(file->mode, st.st_mode, exists);
+#ifdef SUPPORT_ACLS
+			char *dn = file->dirname ? file->dirname : ".";
+			if (parent_dirname != dn
+			 && strcmp(parent_dirname, dn) != 0) {
+				dflt_perms = default_perms_for_dir(dn);
+				parent_dirname = dn;
+			}
+#endif
+			file->mode = dest_mode(file->mode, st.st_mode,
+					       dflt_perms, exists);
 		}
 
 		/* We now check to see if we are writing file "inplace" */
--- old/rsync.c
+++ new/rsync.c
@@ -101,7 +101,8 @@ void free_sums(struct sum_struct *s)
 
 /* This is only called when we aren't preserving permissions.  Figure out what
  * the permissions should be and return them merged back into the mode. */
-mode_t dest_mode(mode_t flist_mode, mode_t cur_mode, int exists)
+mode_t dest_mode(mode_t flist_mode, mode_t cur_mode, int dflt_perms,
+		 int exists)
 {
 	/* If the file already exists, we'll return the local permissions,
 	 * possibly tweaked by the --executability option. */
@@ -116,7 +117,7 @@ mode_t dest_mode(mode_t flist_mode, mode
 				cur_mode |= (cur_mode & 0444) >> 2;
 		}
 	} else
-		cur_mode = flist_mode & ACCESSPERMS & ~orig_umask;
+		cur_mode = flist_mode & ACCESSPERMS & dflt_perms;
 	if (daemon_chmod_modes && !S_ISLNK(flist_mode))
 		cur_mode = tweak_mode(cur_mode, daemon_chmod_modes);
 	return (flist_mode & ~CHMOD_BITS) | (cur_mode & CHMOD_BITS);
@@ -217,6 +218,13 @@ int set_file_attrs(char *fname, struct f
 	}
 #endif
 
+#ifdef SUPPORT_ACLS
+	/* It's fine to call set_acl() now; the generator will enable
+	 * writability on the directory using chmod if necessary. */
+	if (set_acl(fname, file) == 0)
+		updated = 1;
+#endif
+
 	if (verbose > 1 && flags & ATTRS_REPORT) {
 		enum logcode code = daemon_log_format_has_i || dry_run
 				  ? FCLIENT : FINFO;
--- old/rsync.h
+++ new/rsync.h
@@ -658,6 +658,20 @@ struct chmod_mode_struct;
 
 #define UNUSED(x) x __attribute__((__unused__))
 
+#if HAVE_POSIX_ACLS|HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|\
+    HAVE_HPUX_ACLS|HAVE_IRIX_ACLS|HAVE_AIX_ACLS|HAVE_TRU64_ACLS
+#define SUPPORT_ACLS 1
+#endif
+
+#if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
+#define ACLS_NEED_MASK 1
+#endif
+
+#if defined SUPPORT_ACLS && defined HAVE_SYS_ACL_H
+#include <sys/acl.h>
+#endif
+#include "smb_acls.h"
+
 #include "proto.h"
 
 /* We have replacement versions of these if they're missing. */
--- old/rsync.yo
+++ new/rsync.yo
@@ -321,6 +321,7 @@ to the detailed description below for a 
  -H, --hard-links            preserve hard links
  -p, --perms                 preserve permissions
  -E, --executability         preserve executability
+ -A, --acls                  preserve ACLs (implies -p) [non-standard]
      --chmod=CHMOD           change destination permissions
  -o, --owner                 preserve owner (super-user only)
  -g, --group                 preserve group
@@ -742,7 +743,9 @@ quote(itemize(
   permissions, though the bf(--executability) option might change just
   the execute permission for the file.
   it() New files get their "normal" permission bits set to the source
-  file's permissions masked with the receiving end's umask setting, and
+  file's permissions masked with the receiving directory's default
+  permissions (either the receiving process's umask, or the permissions
+  specified via the destination directory's default ACL), and
   their special permission bits disabled except in the case where a new
   directory inherits a setgid bit from its parent directory.
 ))
@@ -773,9 +776,11 @@ The preservation of the destination's se
 directories when bf(--perms) is off was added in rsync 2.6.7.  Older rsync
 versions erroneously preserved the three special permission bits for
 newly-created files when bf(--perms) was off, while overriding the
-destination's setgid bit setting on a newly-created directory.  (Keep in
-mind that it is the version of the receiving rsync that affects this
-behavior.)
+destination's setgid bit setting on a newly-created directory.  Default ACL
+observance was added to the ACL patch for rsync 2.6.7, so older (or
+non-ACL-enabled) rsyncs use the umask even if default ACLs are present.
+(Keep in mind that it is the version of the receiving rsync that affects
+these behaviors.)
 
 dit(bf(-E, --executability)) This option causes rsync to preserve the
 executability (or non-executability) of regular files when bf(--perms) is
@@ -793,6 +798,10 @@ quote(itemize(
 
 If bf(--perms) is enabled, this option is ignored.
 
+dit(bf(-A, --acls)) This option causes rsync to update the destination
+ACLs to be the same as the source ACLs.  This nonstandard option only
+works if the remote rsync also supports it.  bf(--acls) implies bf(--perms).
+
 dit(bf(--chmod)) This option tells rsync to apply one or more
 comma-separated "chmod" strings to the permission of the files in the
 transfer.  The resulting value is treated as though it was the permissions
--- old/smb_acls.h
+++ new/smb_acls.h
@@ -0,0 +1,277 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.2.x
+   Portable SMB ACL interface
+   Copyright (C) Jeremy Allison 2000
+   
+   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 of the License, 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.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _SMB_ACLS_H
+#define _SMB_ACLS_H
+
+#if defined HAVE_POSIX_ACLS
+
+/* This is an identity mapping (just remove the SMB_). */
+
+#define SMB_ACL_TAG_T		acl_tag_t
+#define SMB_ACL_TYPE_T		acl_type_t
+#define SMB_ACL_PERMSET_T	acl_permset_t
+#define SMB_ACL_PERM_T		acl_perm_t
+#define SMB_ACL_READ		ACL_READ
+#define SMB_ACL_WRITE		ACL_WRITE
+#define SMB_ACL_EXECUTE		ACL_EXECUTE
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		ACL_USER
+#define SMB_ACL_USER_OBJ	ACL_USER_OBJ
+#define SMB_ACL_GROUP		ACL_GROUP
+#define SMB_ACL_GROUP_OBJ	ACL_GROUP_OBJ
+#define SMB_ACL_OTHER		ACL_OTHER
+#define SMB_ACL_MASK		ACL_MASK
+
+#define SMB_ACL_T		acl_t
+
+#define SMB_ACL_ENTRY_T		acl_entry_t
+
+#define SMB_ACL_FIRST_ENTRY	ACL_FIRST_ENTRY
+#define SMB_ACL_NEXT_ENTRY	ACL_NEXT_ENTRY
+
+#define SMB_ACL_TYPE_ACCESS	ACL_TYPE_ACCESS
+#define SMB_ACL_TYPE_DEFAULT	ACL_TYPE_DEFAULT
+
+#elif defined HAVE_TRU64_ACLS
+
+/* This is for DEC/Compaq Tru64 UNIX */
+
+#define SMB_ACL_TAG_T		acl_tag_t
+#define SMB_ACL_TYPE_T		acl_type_t
+#define SMB_ACL_PERMSET_T	acl_permset_t
+#define SMB_ACL_PERM_T		acl_perm_t
+#define SMB_ACL_READ		ACL_READ
+#define SMB_ACL_WRITE		ACL_WRITE
+#define SMB_ACL_EXECUTE		ACL_EXECUTE
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		ACL_USER
+#define SMB_ACL_USER_OBJ	ACL_USER_OBJ
+#define SMB_ACL_GROUP		ACL_GROUP
+#define SMB_ACL_GROUP_OBJ	ACL_GROUP_OBJ
+#define SMB_ACL_OTHER		ACL_OTHER
+#define SMB_ACL_MASK		ACL_MASK
+
+#define SMB_ACL_T		acl_t
+
+#define SMB_ACL_ENTRY_T		acl_entry_t
+
+#define SMB_ACL_FIRST_ENTRY	0
+#define SMB_ACL_NEXT_ENTRY	1
+
+#define SMB_ACL_TYPE_ACCESS	ACL_TYPE_ACCESS
+#define SMB_ACL_TYPE_DEFAULT	ACL_TYPE_DEFAULT
+
+#elif defined HAVE_UNIXWARE_ACLS || defined HAVE_SOLARIS_ACLS
+/*
+ * Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX.
+ * Modified by Toomas Soome <tsoome@ut.ee> for Solaris.
+ */
+
+/* SVR4.2 ES/MP ACLs */
+typedef int SMB_ACL_TAG_T;
+typedef int SMB_ACL_TYPE_T;
+typedef ushort *SMB_ACL_PERMSET_T;
+typedef ushort SMB_ACL_PERM_T;
+#define SMB_ACL_READ		4
+#define SMB_ACL_WRITE		2
+#define SMB_ACL_EXECUTE		1
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		USER
+#define SMB_ACL_USER_OBJ	USER_OBJ
+#define SMB_ACL_GROUP		GROUP
+#define SMB_ACL_GROUP_OBJ	GROUP_OBJ
+#define SMB_ACL_OTHER		OTHER_OBJ
+#define SMB_ACL_MASK		CLASS_OBJ
+
+typedef struct SMB_ACL_T {
+	int size;
+	int count;
+	int next;
+	struct acl acl[1];
+} *SMB_ACL_T;
+
+typedef struct acl *SMB_ACL_ENTRY_T;
+
+#define SMB_ACL_FIRST_ENTRY	0
+#define SMB_ACL_NEXT_ENTRY	1
+
+#define SMB_ACL_TYPE_ACCESS	0
+#define SMB_ACL_TYPE_DEFAULT	1
+
+#elif defined HAVE_HPUX_ACLS
+
+/*
+ * Based on the Solaris & UnixWare code.
+ */
+
+#undef GROUP
+#include <sys/aclv.h>
+
+/* SVR4.2 ES/MP ACLs */
+typedef int SMB_ACL_TAG_T;
+typedef int SMB_ACL_TYPE_T;
+typedef ushort *SMB_ACL_PERMSET_T;
+typedef ushort SMB_ACL_PERM_T;
+#define SMB_ACL_READ		4
+#define SMB_ACL_WRITE		2
+#define SMB_ACL_EXECUTE		1
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		USER
+#define SMB_ACL_USER_OBJ	USER_OBJ
+#define SMB_ACL_GROUP		GROUP
+#define SMB_ACL_GROUP_OBJ	GROUP_OBJ
+#define SMB_ACL_OTHER		OTHER_OBJ
+#define SMB_ACL_MASK		CLASS_OBJ
+
+typedef struct SMB_ACL_T {
+	int size;
+	int count;
+	int next;
+	struct acl acl[1];
+} *SMB_ACL_T;
+
+typedef struct acl *SMB_ACL_ENTRY_T;
+
+#define SMB_ACL_FIRST_ENTRY	0
+#define SMB_ACL_NEXT_ENTRY	1
+
+#define SMB_ACL_TYPE_ACCESS	0
+#define SMB_ACL_TYPE_DEFAULT	1
+
+#elif defined HAVE_IRIX_ACLS
+
+#define SMB_ACL_TAG_T		acl_tag_t
+#define SMB_ACL_TYPE_T		acl_type_t
+#define SMB_ACL_PERMSET_T	acl_permset_t
+#define SMB_ACL_PERM_T		acl_perm_t
+#define SMB_ACL_READ		ACL_READ
+#define SMB_ACL_WRITE		ACL_WRITE
+#define SMB_ACL_EXECUTE		ACL_EXECUTE
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		ACL_USER
+#define SMB_ACL_USER_OBJ	ACL_USER_OBJ
+#define SMB_ACL_GROUP		ACL_GROUP
+#define SMB_ACL_GROUP_OBJ	ACL_GROUP_OBJ
+#define SMB_ACL_OTHER		ACL_OTHER_OBJ
+#define SMB_ACL_MASK		ACL_MASK
+
+typedef struct SMB_ACL_T {
+	int next;
+	BOOL freeaclp;
+	struct acl *aclp;
+} *SMB_ACL_T;
+
+#define SMB_ACL_ENTRY_T		acl_entry_t
+
+#define SMB_ACL_FIRST_ENTRY	0
+#define SMB_ACL_NEXT_ENTRY	1
+
+#define SMB_ACL_TYPE_ACCESS	ACL_TYPE_ACCESS
+#define SMB_ACL_TYPE_DEFAULT	ACL_TYPE_DEFAULT
+
+#elif defined HAVE_AIX_ACLS
+
+/* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
+
+#include "/usr/include/acl.h"
+
+typedef uint *SMB_ACL_PERMSET_T;
+ 
+struct acl_entry_link{
+	struct acl_entry_link *prevp;
+	struct new_acl_entry *entryp;
+	struct acl_entry_link *nextp;
+	int count;
+};
+
+struct new_acl_entry{
+	unsigned short ace_len;
+	unsigned short ace_type;
+	unsigned int ace_access;
+	struct ace_id ace_id[1];
+};
+
+#define SMB_ACL_ENTRY_T		struct new_acl_entry*
+#define SMB_ACL_T		struct acl_entry_link*
+ 
+#define SMB_ACL_TAG_T		unsigned short
+#define SMB_ACL_TYPE_T		int
+#define SMB_ACL_PERM_T		uint
+#define SMB_ACL_READ		S_IRUSR
+#define SMB_ACL_WRITE		S_IWUSR
+#define SMB_ACL_EXECUTE		S_IXUSR
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		ACEID_USER
+#define SMB_ACL_USER_OBJ	3
+#define SMB_ACL_GROUP		ACEID_GROUP
+#define SMB_ACL_GROUP_OBJ	4
+#define SMB_ACL_OTHER		5
+#define SMB_ACL_MASK		6
+
+
+#define SMB_ACL_FIRST_ENTRY	1
+#define SMB_ACL_NEXT_ENTRY	2
+
+#define SMB_ACL_TYPE_ACCESS	0
+#define SMB_ACL_TYPE_DEFAULT	1
+
+#else /* No ACLs. */
+
+/* No ACLS - fake it. */
+#define SMB_ACL_TAG_T		int
+#define SMB_ACL_TYPE_T		int
+#define SMB_ACL_PERMSET_T	mode_t
+#define SMB_ACL_PERM_T		mode_t
+#define SMB_ACL_READ		S_IRUSR
+#define SMB_ACL_WRITE		S_IWUSR
+#define SMB_ACL_EXECUTE		S_IXUSR
+
+/* Types of ACLs. */
+#define SMB_ACL_USER		0
+#define SMB_ACL_USER_OBJ	1
+#define SMB_ACL_GROUP		2
+#define SMB_ACL_GROUP_OBJ	3
+#define SMB_ACL_OTHER		4
+#define SMB_ACL_MASK		5
+
+typedef struct SMB_ACL_T {
+	int dummy;
+} *SMB_ACL_T;
+
+typedef struct SMB_ACL_ENTRY_T {
+	int dummy;
+} *SMB_ACL_ENTRY_T;
+
+#define SMB_ACL_FIRST_ENTRY	0
+#define SMB_ACL_NEXT_ENTRY	1
+
+#define SMB_ACL_TYPE_ACCESS	0
+#define SMB_ACL_TYPE_DEFAULT	1
+
+#endif /* No ACLs. */
+#endif /* _SMB_ACLS_H */
--- old/testsuite/default-acls.test
+++ new/testsuite/default-acls.test
@@ -0,0 +1,55 @@
+#! /bin/sh
+
+# This program is distributable under the terms of the GNU GPL see
+# COPYING).
+
+# Test that rsync obeys default ACLs. -- Matt McCutchen
+
+. $srcdir/testsuite/rsync.fns
+
+$RSYNC --version | grep ", ACLs" >/dev/null || test_skipped "Rsync is configured without ACL support"
+setfacl -dm u::rwx,g::---,o::--- "$scratchdir" || test_skipped "Your filesystem has ACLs disabled"
+
+# Call as: testit <dirname> <default-acl> <file-expected> <program-expected>
+testit() {
+    todir="$scratchdir/$1"
+    mkdir "$todir"
+    # FIXME This doesn't work on solaris...
+    setfacl -k "$todir"
+    [ "$2" ] && setfacl -dm "$2" "$todir"
+    # Make sure we obey ACLs when creating a directory to hold multiple transferred files,
+    # even though the directory itself is outside the transfer
+    $RSYNC -rvv "$scratchdir/dir" "$scratchdir/file" "$scratchdir/program" "$todir/to/"
+    check_perms "$todir/to" $4 "Target $1"
+    check_perms "$todir/to/dir" $4 "Target $1"
+    check_perms "$todir/to/file" $3 "Target $1"
+    check_perms "$todir/to/program" $4 "Target $1"
+    # Make sure get_local_name doesn't mess us up when transferring only one file
+    $RSYNC -rvv "$scratchdir/file" "$todir/to/anotherfile"
+    check_perms "$todir/to/anotherfile" $3 "Target $1"
+    # Make sure we obey default ACLs when not transferring a regular file
+    $RSYNC -rvv "$scratchdir/dir/" "$todir/to/anotherdir/"
+    check_perms "$todir/to/anotherdir" $4 "Target $1"
+}
+
+mkdir "$scratchdir/dir"
+echo "File!" >"$scratchdir/file"
+echo "#!/bin/sh" >"$scratchdir/program"
+chmod 777 "$scratchdir/dir"
+chmod 666 "$scratchdir/file"
+chmod 777 "$scratchdir/program"
+
+# Test some target directories
+umask 0077
+testit da777 u::rwx,g::rwx,o::rwx rw-rw-rw- rwxrwxrwx
+testit da775 u::rwx,g::rwx,o::r-x rw-rw-r-- rwxrwxr-x
+testit da750 u::rwx,g::r-x,o::--- rw-r----- rwxr-x---
+testit da770mask u::rwx,g::---,m::rwx,o::--- rw-rw---- rwxrwx---
+testit noda1 '' rw------- rwx------
+umask 0000
+testit noda2 '' rw-rw-rw- rwxrwxrwx
+umask 0022
+testit noda3 '' rw-r--r-- rwxr-xr-x
+
+# Hooray
+exit 0
--- old/uidlist.c
+++ new/uidlist.c
@@ -34,6 +34,7 @@
 extern int verbose;
 extern int preserve_uid;
 extern int preserve_gid;
+extern int preserve_acls;
 extern int numeric_ids;
 extern int am_root;
 
@@ -274,7 +275,7 @@ void send_uid_list(int f)
 	if (numeric_ids)
 		return;
 
-	if (preserve_uid) {
+	if (preserve_uid || preserve_acls) {
 		int len;
 		/* we send sequences of uid/byte-length/name */
 		for (list = uidlist; list; list = list->next) {
@@ -291,7 +292,7 @@ void send_uid_list(int f)
 		write_int(f, 0);
 	}
 
-	if (preserve_gid) {
+	if (preserve_gid || preserve_acls) {
 		int len;
 		for (list = gidlist; list; list = list->next) {
 			if (!list->name)
@@ -312,7 +313,7 @@ void recv_uid_list(int f, struct file_li
 	int id, i;
 	char *name;
 
-	if (preserve_uid && !numeric_ids) {
+	if ((preserve_uid || preserve_acls) && !numeric_ids) {
 		/* read the uid list */
 		while ((id = read_int(f)) != 0) {
 			int len = read_byte(f);
@@ -324,7 +325,7 @@ void recv_uid_list(int f, struct file_li
 		}
 	}
 
-	if (preserve_gid && !numeric_ids) {
+	if ((preserve_gid || preserve_acls) && !numeric_ids) {
 		/* read the gid list */
 		while ((id = read_int(f)) != 0) {
 			int len = read_byte(f);
@@ -336,6 +337,18 @@ void recv_uid_list(int f, struct file_li
 		}
 	}
 
+#ifdef SUPPORT_ACLS
+	if (preserve_acls && !numeric_ids) {
+		id_t id;
+		/* The enumerations don't return 0 except to flag the last
+		 * entry, since uidlist doesn't munge 0 anyway. */
+		while ((id = next_acl_uid(flist)) != 0)
+			acl_uid_map(match_uid(id));
+		while ((id = next_acl_gid(flist)) != 0)
+			acl_gid_map(match_gid(id));
+	}
+#endif /* SUPPORT_ACLS */
+
 	/* Now convert all the uids/gids from sender values to our values. */
 	if (am_root && preserve_uid && !numeric_ids) {
 		for (i = 0; i < flist->count; i++)