first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 937 insertions, 0 deletions

diff --git a/source4/utils/smbcacls.c b/source4/utils/smbcacls.c
new file mode 100644
index 0000000000..4c85ea58c2
--- /dev/null
+++ b/source4/utils/smbcacls.c
@@ -0,0 +1,937 @@
+/* 
+   Unix SMB/CIFS implementation.
+   ACL get/set utility
+   
+   Copyright (C) Andrew Tridgell 2000
+   Copyright (C) Tim Potter      2000
+   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 "includes.h"
+
+static fstring password;
+static pstring username;
+static pstring owner_username;
+static fstring server;
+static int got_pass;
+static int test_args;
+static TALLOC_CTX *ctx;
+
+#define CREATE_ACCESS_READ READ_CONTROL_ACCESS
+#define CREATE_ACCESS_WRITE (WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS)
+
+/* numeric is set when the user wants numeric SIDs and ACEs rather
+   than going via LSA calls to resolve them */
+static int numeric;
+
+enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
+enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
+enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
+
+struct perm_value {
+	const char *perm;
+	uint32 mask;
+};
+
+/* These values discovered by inspection */
+
+static const struct perm_value special_values[] = {
+	{ "R", 0x00120089 },
+	{ "W", 0x00120116 },
+	{ "X", 0x001200a0 },
+	{ "D", 0x00010000 },
+	{ "P", 0x00040000 },
+	{ "O", 0x00080000 },
+	{ NULL, 0 },
+};
+
+static const struct perm_value standard_values[] = {
+	{ "READ",   0x001200a9 },
+	{ "CHANGE", 0x001301bf },
+	{ "FULL",   0x001f01ff },
+	{ NULL, 0 },
+};
+
+static struct cli_state *global_hack_cli;
+static POLICY_HND pol;
+static BOOL got_policy_hnd;
+
+static struct cli_state *connect_one(const char *share);
+
+/* Open cli connection and policy handle */
+
+static BOOL cacls_open_policy_hnd(void)
+{
+	/* Initialise cli LSA connection */
+
+	if (!global_hack_cli) {
+		global_hack_cli = connect_one("IPC$");
+		if (!cli_nt_session_open (global_hack_cli, PI_LSARPC)) {
+				return False;
+		}
+	}
+	
+	/* Open policy handle */
+
+	if (!got_policy_hnd) {
+
+		/* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
+		   but NT sends 0x2000000 so we might as well do it too. */
+
+		if (!NT_STATUS_IS_OK(cli_lsa_open_policy(global_hack_cli, global_hack_cli->mem_ctx, True, 
+							 GENERIC_EXECUTE_ACCESS, &pol))) {
+			return False;
+		}
+
+		got_policy_hnd = True;
+	}
+	
+	return True;
+}
+
+/* convert a SID to a string, either numeric or username/group */
+static void SidToString(fstring str, DOM_SID *sid)
+{
+	char **domains = NULL;
+	char **names = NULL;
+	uint32 *types = NULL;
+
+	sid_to_string(str, sid);
+
+	if (numeric) return;
+
+	/* Ask LSA to convert the sid to a name */
+
+	if (!cacls_open_policy_hnd() ||
+	    !NT_STATUS_IS_OK(cli_lsa_lookup_sids(global_hack_cli, global_hack_cli->mem_ctx,  
+						 &pol, 1, sid, &domains, 
+						 &names, &types)) ||
+	    !domains || !domains[0] || !names || !names[0]) {
+		return;
+	}
+
+	/* Converted OK */
+
+	slprintf(str, sizeof(fstring) - 1, "%s%s%s",
+		 domains[0], lp_winbind_separator(),
+		 names[0]);
+	
+}
+
+/* convert a string to a SID, either numeric or username/group */
+static BOOL StringToSid(DOM_SID *sid, const char *str)
+{
+	uint32 *types = NULL;
+	DOM_SID *sids = NULL;
+	BOOL result = True;
+
+	if (strncmp(str, "S-", 2) == 0) {
+		return string_to_sid(sid, str);
+	}
+
+	if (!cacls_open_policy_hnd() ||
+	    !NT_STATUS_IS_OK(cli_lsa_lookup_names(global_hack_cli, global_hack_cli->mem_ctx, 
+						  &pol, 1, &str, &sids, 
+						  &types))) {
+		result = False;
+		goto done;
+	}
+
+	sid_copy(sid, &sids[0]);
+ done:
+
+	return result;
+}
+
+
+/* print an ACE on a FILE, using either numeric or ascii representation */
+static void print_ace(FILE *f, SEC_ACE *ace)
+{
+	const struct perm_value *v;
+	fstring sidstr;
+	int do_print = 0;
+	uint32 got_mask;
+
+	SidToString(sidstr, &ace->trustee);
+
+	fprintf(f, "%s:", sidstr);
+
+	if (numeric) {
+		fprintf(f, "%d/%d/0x%08x", 
+			ace->type, ace->flags, ace->info.mask);
+		return;
+	}
+
+	/* Ace type */
+
+	if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
+		fprintf(f, "ALLOWED");
+	} else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
+		fprintf(f, "DENIED");
+	} else {
+		fprintf(f, "%d", ace->type);
+	}
+
+	/* Not sure what flags can be set in a file ACL */
+
+	fprintf(f, "/%d/", ace->flags);
+
+	/* Standard permissions */
+
+	for (v = standard_values; v->perm; v++) {
+		if (ace->info.mask == v->mask) {
+			fprintf(f, "%s", v->perm);
+			return;
+		}
+	}
+
+	/* Special permissions.  Print out a hex value if we have
+	   leftover bits in the mask. */
+
+	got_mask = ace->info.mask;
+
+ again:
+	for (v = special_values; v->perm; v++) {
+		if ((ace->info.mask & v->mask) == v->mask) {
+			if (do_print) {
+				fprintf(f, "%s", v->perm);
+			}
+			got_mask &= ~v->mask;
+		}
+	}
+
+	if (!do_print) {
+		if (got_mask != 0) {
+			fprintf(f, "0x%08x", ace->info.mask);
+		} else {
+			do_print = 1;
+			goto again;
+		}
+	}
+}
+
+
+/* parse an ACE in the same format as print_ace() */
+static BOOL parse_ace(SEC_ACE *ace, char *str)
+{
+	char *p;
+	const char *cp;
+	fstring tok;
+	unsigned atype, aflags, amask;
+	DOM_SID sid;
+	SEC_ACCESS mask;
+	const struct perm_value *v;
+
+	ZERO_STRUCTP(ace);
+	p = strchr_m(str,':');
+	if (!p) return False;
+	*p = '\0';
+	p++;
+	/* Try to parse numeric form */
+
+	if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
+	    StringToSid(&sid, str)) {
+		goto done;
+	}
+
+	/* Try to parse text form */
+
+	if (!StringToSid(&sid, str)) {
+		return False;
+	}
+
+	cp = p;
+	if (!next_token(&cp, tok, "/", sizeof(fstring))) {
+		return False;
+	}
+
+	if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
+		atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
+	} else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
+		atype = SEC_ACE_TYPE_ACCESS_DENIED;
+	} else {
+		return False;
+	}
+
+	/* Only numeric form accepted for flags at present */
+
+	if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
+	      sscanf(tok, "%i", &aflags))) {
+		return False;
+	}
+
+	if (!next_token(&cp, tok, "/", sizeof(fstring))) {
+		return False;
+	}
+
+	if (strncmp(tok, "0x", 2) == 0) {
+		if (sscanf(tok, "%i", &amask) != 1) {
+			return False;
+		}
+		goto done;
+	}
+
+	for (v = standard_values; v->perm; v++) {
+		if (strcmp(tok, v->perm) == 0) {
+			amask = v->mask;
+			goto done;
+		}
+	}
+
+	p = tok;
+
+	while(*p) {
+		BOOL found = False;
+
+		for (v = special_values; v->perm; v++) {
+			if (v->perm[0] == *p) {
+				amask |= v->mask;
+				found = True;
+			}
+		}
+
+		if (!found) return False;
+		p++;
+	}
+
+	if (*p) {
+		return False;
+	}
+
+ done:
+	mask.mask = amask;
+	init_sec_ace(ace, &sid, atype, mask, aflags);
+	return True;
+}
+
+/* add an ACE to a list of ACEs in a SEC_ACL */
+static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
+{
+	SEC_ACL *new;
+	SEC_ACE *aces;
+	if (! *the_acl) {
+		(*the_acl) = make_sec_acl(ctx, 3, 1, ace);
+		return True;
+	}
+
+	aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
+	memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
+	memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
+	new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
+	SAFE_FREE(aces);
+	(*the_acl) = new;
+	return True;
+}
+
+/* parse a ascii version of a security descriptor */
+static SEC_DESC *sec_desc_parse(char *str)
+{
+	const char *p = str;
+	fstring tok;
+	SEC_DESC *ret;
+	size_t sd_size;
+	DOM_SID *grp_sid=NULL, *owner_sid=NULL;
+	SEC_ACL *dacl=NULL;
+	int revision=1;
+
+	while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
+
+		if (strncmp(tok,"REVISION:", 9) == 0) {
+			revision = strtol(tok+9, NULL, 16);
+			continue;
+		}
+
+		if (strncmp(tok,"OWNER:", 6) == 0) {
+			owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
+			if (!owner_sid ||
+			    !StringToSid(owner_sid, tok+6)) {
+				printf("Failed to parse owner sid\n");
+				return NULL;
+			}
+			continue;
+		}
+
+		if (strncmp(tok,"GROUP:", 6) == 0) {
+			grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
+			if (!grp_sid ||
+			    !StringToSid(grp_sid, tok+6)) {
+				printf("Failed to parse group sid\n");
+				return NULL;
+			}
+			continue;
+		}
+
+		if (strncmp(tok,"ACL:", 4) == 0) {
+			SEC_ACE ace;
+			if (!parse_ace(&ace, tok+4)) {
+				printf("Failed to parse ACL %s\n", tok);
+				return NULL;
+			}
+			if(!add_ace(&dacl, &ace)) {
+				printf("Failed to add ACL %s\n", tok);
+				return NULL;
+			}
+			continue;
+		}
+
+		printf("Failed to parse security descriptor\n");
+		return NULL;
+	}
+
+	ret = make_sec_desc(ctx,revision, owner_sid, grp_sid, 
+			    NULL, dacl, &sd_size);
+
+	SAFE_FREE(grp_sid);
+	SAFE_FREE(owner_sid);
+
+	return ret;
+}
+
+
+/* print a ascii version of a security descriptor on a FILE handle */
+static void sec_desc_print(FILE *f, SEC_DESC *sd)
+{
+	fstring sidstr;
+	uint32 i;
+
+	printf("REVISION:%d\n", sd->revision);
+
+	/* Print owner and group sid */
+
+	if (sd->owner_sid) {
+		SidToString(sidstr, sd->owner_sid);
+	} else {
+		fstrcpy(sidstr, "");
+	}
+
+	printf("OWNER:%s\n", sidstr);
+
+	if (sd->grp_sid) {
+		SidToString(sidstr, sd->grp_sid);
+	} else {
+		fstrcpy(sidstr, "");
+	}
+
+	fprintf(f, "GROUP:%s\n", sidstr);
+
+	/* Print aces */
+	for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
+		SEC_ACE *ace = &sd->dacl->ace[i];
+		fprintf(f, "ACL:");
+		print_ace(f, ace);
+		fprintf(f, "\n");
+	}
+
+}
+
+/***************************************************** 
+dump the acls for a file
+*******************************************************/
+static int cacl_dump(struct cli_state *cli, char *filename)
+{
+	int result = EXIT_FAILED;
+	int fnum = -1;
+	SEC_DESC *sd;
+
+	if (test_args) 
+		return EXIT_OK;
+
+	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
+
+	if (fnum == -1) {
+		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
+		goto done;
+	}
+
+	sd = cli_query_secdesc(cli, fnum, ctx);
+
+	if (!sd) {
+		printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
+		goto done;
+	}
+
+	sec_desc_print(stdout, sd);
+
+	result = EXIT_OK;
+
+done:
+	if (fnum != -1)
+		cli_close(cli, fnum);
+
+	return result;
+}
+
+/***************************************************** 
+Change the ownership or group ownership of a file. Just
+because the NT docs say this can't be done :-). JRA.
+*******************************************************/
+
+static int owner_set(struct cli_state *cli, enum chown_mode change_mode, 
+		     char *filename, char *new_username)
+{
+	int fnum;
+	DOM_SID sid;
+	SEC_DESC *sd, *old;
+	size_t sd_size;
+
+	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
+
+	if (fnum == -1) {
+		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
+		return EXIT_FAILED;
+	}
+
+	if (!StringToSid(&sid, new_username))
+		return EXIT_PARSE_ERROR;
+
+	old = cli_query_secdesc(cli, fnum, ctx);
+
+	cli_close(cli, fnum);
+
+	if (!old) {
+		printf("owner_set: Failed to query old descriptor\n");
+		return EXIT_FAILED;
+	}
+
+	sd = make_sec_desc(ctx,old->revision,
+				(change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
+				(change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
+			   NULL, old->dacl, &sd_size);
+
+	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
+
+	if (fnum == -1) {
+		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
+		return EXIT_FAILED;
+	}
+
+	if (!cli_set_secdesc(cli, fnum, sd)) {
+		printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
+	}
+
+	cli_close(cli, fnum);
+
+	return EXIT_OK;
+}
+
+
+/* The MSDN is contradictory over the ordering of ACE entries in an ACL.
+   However NT4 gives a "The information may have been modified by a
+   computer running Windows NT 5.0" if denied ACEs do not appear before
+   allowed ACEs. */
+
+static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
+{
+	if (sec_ace_equal(ace1, ace2)) 
+		return 0;
+
+	if (ace1->type != ace2->type) 
+		return ace2->type - ace1->type;
+
+	if (sid_compare(&ace1->trustee, &ace2->trustee)) 
+		return sid_compare(&ace1->trustee, &ace2->trustee);
+
+	if (ace1->flags != ace2->flags) 
+		return ace1->flags - ace2->flags;
+
+	if (ace1->info.mask != ace2->info.mask) 
+		return ace1->info.mask - ace2->info.mask;
+
+	if (ace1->size != ace2->size) 
+		return ace1->size - ace2->size;
+
+	return memcmp(ace1, ace2, sizeof(SEC_ACE));
+}
+
+static void sort_acl(SEC_ACL *the_acl)
+{
+	uint32 i;
+	if (!the_acl) return;
+
+	qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
+
+	for (i=1;i<the_acl->num_aces;) {
+		if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
+			int j;
+			for (j=i; j<the_acl->num_aces-1; j++) {
+				the_acl->ace[j] = the_acl->ace[j+1];
+			}
+			the_acl->num_aces--;
+		} else {
+			i++;
+		}
+	}
+}
+
+/***************************************************** 
+set the ACLs on a file given an ascii description
+*******************************************************/
+static int cacl_set(struct cli_state *cli, char *filename, 
+		    char *the_acl, enum acl_mode mode)
+{
+	int fnum;
+	SEC_DESC *sd, *old;
+	uint32 i, j;
+	size_t sd_size;
+	int result = EXIT_OK;
+
+	sd = sec_desc_parse(the_acl);
+
+	if (!sd) return EXIT_PARSE_ERROR;
+	if (test_args) return EXIT_OK;
+
+	/* The desired access below is the only one I could find that works
+	   with NT4, W2KP and Samba */
+
+	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
+
+	if (fnum == -1) {
+		printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
+		return EXIT_FAILED;
+	}
+
+	old = cli_query_secdesc(cli, fnum, ctx);
+
+	if (!old) {
+		printf("calc_set: Failed to query old descriptor\n");
+		return EXIT_FAILED;
+	}
+
+	cli_close(cli, fnum);
+
+	/* the logic here is rather more complex than I would like */
+	switch (mode) {
+	case SMB_ACL_DELETE:
+		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
+			BOOL found = False;
+
+			for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
+				if (sec_ace_equal(&sd->dacl->ace[i],
+						  &old->dacl->ace[j])) {
+					uint32 k;
+					for (k=j; k<old->dacl->num_aces-1;k++) {
+						old->dacl->ace[k] = old->dacl->ace[k+1];
+					}
+					old->dacl->num_aces--;
+					if (old->dacl->num_aces == 0) {
+						SAFE_FREE(old->dacl->ace);
+						SAFE_FREE(old->dacl);
+						old->off_dacl = 0;
+					}
+					found = True;
+					break;
+				}
+			}
+
+			if (!found) {
+				printf("ACL for ACE:"); 
+				print_ace(stdout, &sd->dacl->ace[i]);
+				printf(" not found\n");
+			}
+		}
+		break;
+
+	case SMB_ACL_MODIFY:
+		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
+			BOOL found = False;
+
+			for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
+				if (sid_equal(&sd->dacl->ace[i].trustee,
+					      &old->dacl->ace[j].trustee)) {
+					old->dacl->ace[j] = sd->dacl->ace[i];
+					found = True;
+				}
+			}
+
+			if (!found) {
+				fstring str;
+
+				SidToString(str, &sd->dacl->ace[i].trustee);
+				printf("ACL for SID %s not found\n", str);
+			}
+		}
+
+		break;
+
+	case SMB_ACL_ADD:
+		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
+			add_ace(&old->dacl, &sd->dacl->ace[i]);
+		}
+		break;
+
+	case SMB_ACL_SET:
+ 		old = sd;
+		break;
+	}
+
+	/* Denied ACE entries must come before allowed ones */
+	sort_acl(old->dacl);
+
+	/* Create new security descriptor and set it */
+	sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid, 
+			   NULL, old->dacl, &sd_size);
+
+	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
+
+	if (fnum == -1) {
+		printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
+		return EXIT_FAILED;
+	}
+
+	if (!cli_set_secdesc(cli, fnum, sd)) {
+		printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
+		result = EXIT_FAILED;
+	}
+
+	/* Clean up */
+
+	cli_close(cli, fnum);
+
+	return result;
+}
+
+
+/***************************************************** 
+return a connection to a server
+*******************************************************/
+static struct cli_state *connect_one(const char *share)
+{
+	struct cli_state *c;
+	struct in_addr ip;
+	NTSTATUS nt_status;
+	zero_ip(&ip);
+	
+	if (!got_pass) {
+		char *pass = getpass("Password: ");
+		if (pass) {
+			fstrcpy(password, pass);
+			got_pass = True;
+		}
+	}
+
+	if (NT_STATUS_IS_OK(nt_status = cli_full_connection(&c, lp_netbios_name(), server, 
+							    &ip, 0,
+							    share, "?????",  
+							    username, lp_workgroup(),
+							    password, 0, NULL))) {
+		return c;
+	} else {
+		DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
+		return NULL;
+	}
+}
+
+
+static void usage(void)
+{
+	printf(
+"Usage: smbcacls //server1/share1 filename [options]\n\
+\n\
+\t-D <acls>               delete an acl\n\
+\t-M <acls>               modify an acl\n\
+\t-A <acls>               add an acl\n\
+\t-S <acls>               set acls\n\
+\t-C username             change ownership of a file\n\
+\t-G username             change group ownership of a file\n\
+\t-n                      don't resolve sids or masks to names\n\
+\t-h                      print help\n\
+\t-d debuglevel           set debug output level\n\
+\t-U username             user to autheticate as\n\
+\n\
+The username can be of the form username%%password or\n\
+workgroup\\username%%password.\n\n\
+An acl is of the form ACL:<SID>:type/flags/mask\n\
+You can string acls together with spaces, commas or newlines\n\
+");
+}
+
+/****************************************************************************
+  main program
+****************************************************************************/
+ int main(int argc,char *argv[])
+{
+	char *share;
+	pstring filename;
+	extern char *optarg;
+	extern int optind;
+	int opt;
+	char *p;
+	enum acl_mode mode = SMB_ACL_SET;
+	char *the_acl = NULL;
+	enum chown_mode change_mode = REQUEST_NONE;
+	int result;
+
+	struct cli_state *cli;
+
+	ctx=talloc_init("main");
+
+	setlinebuf(stdout);
+
+	dbf = x_stderr;
+
+	if (argc < 3 || argv[1][0] == '-') {
+		usage();
+		talloc_destroy(ctx);
+		exit(EXIT_PARSE_ERROR);
+	}
+
+	setup_logging(argv[0],True);
+
+	share = argv[1];
+	pstrcpy(filename, argv[2]);
+	all_string_sub(share,"/","\\",0);
+
+	argc -= 2;
+	argv += 2;
+
+	lp_load(dyn_CONFIGFILE,True,False,False);
+	load_interfaces();
+
+	if (getenv("USER")) {
+		pstrcpy(username,getenv("USER"));
+
+		if ((p=strchr_m(username,'%'))) {
+			*p = 0;
+			fstrcpy(password,p+1);
+			got_pass = True;
+			memset(strchr_m(getenv("USER"), '%') + 1, 'X',
+			       strlen(password));
+		}
+	}
+
+	while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
+		switch (opt) {
+		case 'U':
+			pstrcpy(username,optarg);
+			p = strchr_m(username,'%');
+			if (p) {
+				*p = 0;
+				fstrcpy(password, p+1);
+				got_pass = 1;
+			}
+			break;
+
+		case 'S':
+			the_acl = optarg;
+			mode = SMB_ACL_SET;
+			break;
+
+		case 'D':
+			the_acl = optarg;
+			mode = SMB_ACL_DELETE;
+			break;
+
+		case 'M':
+			the_acl = optarg;
+			mode = SMB_ACL_MODIFY;
+			break;
+
+		case 'A':
+			the_acl = optarg;
+			mode = SMB_ACL_ADD;
+			break;
+
+		case 'C':
+			pstrcpy(owner_username,optarg);
+			change_mode = REQUEST_CHOWN;
+			break;
+
+		case 'G':
+			pstrcpy(owner_username,optarg);
+			change_mode = REQUEST_CHGRP;
+			break;
+
+		case 'n':
+			numeric = 1;
+			break;
+
+		case 't':
+			test_args = 1;
+			break;
+
+		case 'h':
+			usage();
+			talloc_destroy(ctx);
+			exit(EXIT_PARSE_ERROR);
+
+		case 'd':
+			DEBUGLEVEL = atoi(optarg);
+			break;
+
+		default:
+			printf("Unknown option %c (%d)\n", (char)opt, opt);
+			talloc_destroy(ctx);
+			exit(EXIT_PARSE_ERROR);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc > 0) {
+		usage();
+		talloc_destroy(ctx);
+		exit(EXIT_PARSE_ERROR);
+	}
+
+	/* Make connection to server */
+
+	fstrcpy(server,share+2);
+	share = strchr_m(server,'\\');
+	if (!share) {
+		share = strchr_m(server,'/');
+		if (!share) {
+			return -1;
+		}
+	}
+
+	*share = 0;
+	share++;
+
+	if (!test_args) {
+		cli = connect_one(share);
+		if (!cli) {
+			talloc_destroy(ctx);
+			exit(EXIT_FAILED);
+		}
+	} else {
+		exit(0);
+	}
+
+	all_string_sub(filename, "/", "\\", 0);
+	if (filename[0] != '\\') {
+		pstring s;
+		s[0] = '\\';
+		safe_strcpy(&s[1], filename, sizeof(pstring)-1);
+		pstrcpy(filename, s);
+	}
+
+	/* Perform requested action */
+
+	if (change_mode != REQUEST_NONE) {
+		result = owner_set(cli, change_mode, filename, owner_username);
+	} else if (the_acl) {
+		result = cacl_set(cli, filename, the_acl, mode);
+	} else {
+		result = cacl_dump(cli, filename);
+	}
+
+	talloc_destroy(ctx);
+
+	return result;
+}
+