Getting back to a compilable state (not there yet but close).

Added patches for random -> sys_random.
Added set_effective_xxx patches for AFS code.
Memory allocation changes in spoolss code.
Jeremy.
(This used to be commit c2099cfb033c2cdb6035f4f7f50ce21b98e1584d)

13 files changed, 583 insertions, 511 deletions

diff --git a/source3/auth/pass_check.c b/source3/auth/pass_check.c
index 0496ed9961..aea543d853 100644
--- a/source3/auth/pass_check.c
+++ b/source3/auth/pass_check.c
@@ -353,20 +353,8 @@ static BOOL dfs_auth(char *user, char *password)
 
 	egid = getegid();
 
-	if (set_effective_gid(pw->pw_gid) != 0)
-	{
-		DEBUG(0, ("Can't set egid to %d (%s)\n",
-			  pw->pw_gid, strerror(errno)));
-		return False;
-	}
-
-	if (set_effective_uid(pw->pw_uid) != 0)
-	{
-		set_effective_gid(egid);
-		DEBUG(0, ("Can't set euid to %d (%s)\n",
-			  pw->pw_uid, strerror(errno)));
-		return False;
-	}
+	set_effective_gid(pw->pw_gid);
+	set_effective_uid(pw->pw_uid);
 
 	if (sec_login_setup_identity((unsigned char *)user,
 				     sec_login_no_flags,
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 423625998d..b5846a45ad 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -497,7 +497,7 @@ char *string_truncate(char *s, int length);
 int dos_PutUniCode(char *dst,const char *src, ssize_t len, BOOL null_terminate);
 void ascii_to_unistr(char *dest, const char *src, size_t maxlen);
 void unistr_to_ascii(char *dest, const uint16 *src, int len);
-void unistr_to_dos(char *dest, char *src, size_t len);
+void unistr_to_dos(char *dest, const char *src, size_t len);
 char *skip_unibuf(char *src, size_t len);
 char *dos_unistrn2(uint16 *src, int len);
 char *dos_unistr2(uint16 *src);
@@ -1612,9 +1612,12 @@ void get_short_archi(char *short_archi, char *long_archi);
 uint32 del_a_printer(char *portname);
 BOOL add_a_specific_param(NT_PRINTER_INFO_LEVEL_2 *info_2, NT_PRINTER_PARAM *param);
 BOOL unlink_specific_param_if_exist(NT_PRINTER_INFO_LEVEL_2 *info_2, NT_PRINTER_PARAM *param);
+NT_DEVICEMODE *construct_nt_devicemode(void);
+NT_DEVICEMODE *dup_nt_devicemode(NT_DEVICEMODE *nt_devicemode);
+void free_nt_devicemode(NT_DEVICEMODE **devmode_ptr);
 uint32 add_a_printer(NT_PRINTER_INFO_LEVEL printer, uint32 level);
-uint32 get_a_printer(NT_PRINTER_INFO_LEVEL *printer, uint32 level, fstring sharename);
-uint32 free_a_printer(NT_PRINTER_INFO_LEVEL printer, uint32 level);
+uint32 get_a_printer(NT_PRINTER_INFO_LEVEL **pp_printer, uint32 level, fstring sharename);
+uint32 free_a_printer(NT_PRINTER_INFO_LEVEL **pp_printer, uint32 level);
 uint32 add_a_printer_driver(NT_PRINTER_DRIVER_INFO_LEVEL driver, uint32 level);
 uint32 get_a_printer_driver(NT_PRINTER_DRIVER_INFO_LEVEL *driver, uint32 level, 
                             fstring printername, fstring architecture);
@@ -1623,9 +1626,8 @@ BOOL get_specific_param_by_index(NT_PRINTER_INFO_LEVEL printer, uint32 level, ui
                                  fstring value, uint8 **data, uint32 *type, uint32 *len);
 BOOL get_specific_param(NT_PRINTER_INFO_LEVEL printer, uint32 level, 
                         fstring value, uint8 **data, uint32 *type, uint32 *len);
-void init_devicemode(NT_DEVICEMODE *nt_devmode);
 uint32 nt_printing_setsec(char *printername, SEC_DESC_BUF *secdesc_ctr);
-uint32 nt_printing_getsec(char *printername, SEC_DESC_BUF *secdesc_ctr);
+BOOL nt_printing_getsec(char *printername, SEC_DESC_BUF **secdesc_ctr);
 
 /*The following definitions come from  printing/pcap.c  */
 
@@ -1947,7 +1949,7 @@ void init_buf_unistr2(UNISTR2 *str, uint32 *ptr, char *buf);
 void copy_unistr2(UNISTR2 *str, UNISTR2 *from);
 void init_string2(STRING2 *str, char *buf, int len);
 BOOL smb_io_string2(char *desc, STRING2 *str2, uint32 buffer, prs_struct *ps, int depth);
-void init_unistr2(UNISTR2 *str, char *buf, int len);
+void init_unistr2(UNISTR2 *str, const char *buf, size_t len);
 BOOL smb_io_unistr2(char *desc, UNISTR2 *uni2, uint32 buffer, prs_struct *ps, int depth);
 void init_dom_rid2(DOM_RID2 *rid2, uint32 rid, uint8 type, uint32 idx);
 BOOL smb_io_dom_rid2(char *desc, DOM_RID2 *rid2, prs_struct *ps, int depth);
@@ -2430,7 +2432,7 @@ void free_sec_desc(SEC_DESC **ppsd);
 SEC_DESC *make_standard_sec_desc(DOM_SID *owner_sid, DOM_SID *grp_sid,
 				 SEC_ACL *dacl, size_t *sec_desc_size);
 BOOL sec_io_desc(char *desc, SEC_DESC **ppsd, prs_struct *ps, int depth);
-SEC_DESC_BUF *make_sec_desc_buf(int len, SEC_DESC *sec_desc);
+SEC_DESC_BUF *make_sec_desc_buf(size_t len, SEC_DESC *sec_desc);
 SEC_DESC_BUF *dup_sec_desc_buf(SEC_DESC_BUF *src);
 void free_sec_desc_buf(SEC_DESC_BUF **ppsdb);
 BOOL sec_io_desc_buf(char *desc, SEC_DESC_BUF **ppsdb, prs_struct *ps, int depth);
@@ -2820,8 +2822,8 @@ uint32 _spoolss_writeprinter( const POLICY_HND *handle,
 				uint32 *buffer_written);
 uint32 _spoolss_setprinter(const POLICY_HND *handle, uint32 level,
 			   const SPOOL_PRINTER_INFO_LEVEL *info,
-			   const DEVMODE_CTR devmode_ctr,
-			   const SEC_DESC_BUF *secdesc_ctr,
+			   DEVMODE_CTR devmode_ctr,
+			   SEC_DESC_BUF *secdesc_ctr,
 			   uint32 command);
 uint32 _spoolss_fcpn(const POLICY_HND *handle);
 uint32 _spoolss_addjob(const POLICY_HND *handle, uint32 level,
@@ -3468,7 +3470,7 @@ void unbecome_root(BOOL restore_dir);
 
 #if OLD_NTDOMAIN
 size_t get_nt_acl(files_struct *fsp, SEC_DESC **ppdesc);
-BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *pdesc);
+BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd);
 #endif
 
 /*The following definitions come from  smbd/vfs-wrap.c  */
diff --git a/source3/include/smb_macros.h b/source3/include/smb_macros.h
index 267b061f65..51c7c1c638 100644
--- a/source3/include/smb_macros.h
+++ b/source3/include/smb_macros.h
@@ -42,14 +42,6 @@
 #define IS_DOS_SYSTEM(test_mode)   (((test_mode) & aSYSTEM) != 0)
 #define IS_DOS_HIDDEN(test_mode)   (((test_mode) & aHIDDEN) != 0)
 
-/* memory-allocation-helpers (idea and names from glib) */
-#define g_new(type, count) \
-	((type *) malloc(sizeof(type) * (count)))
-#define g_new0(type, count) \
-	((type *) calloc((count), sizeof(type)))
-#define g_renew(type, mem, count) \
-	((type *) Realloc(mem, sizeof(type) * (count)))
-
 /* zero a structure */
 #define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
 
diff --git a/source3/lib/util_unistr.c b/source3/lib/util_unistr.c
index 7379bd6811..792cf2384a 100644
--- a/source3/lib/util_unistr.c
+++ b/source3/lib/util_unistr.c
@@ -132,7 +132,7 @@ void unistr_to_ascii(char *dest, const uint16 *src, int len)
  Pull a DOS codepage string out of a UNICODE array. len is in bytes.
 ********************************************************************/
 
-void unistr_to_dos(char *dest, char *src, size_t len)
+void unistr_to_dos(char *dest, const char *src, size_t len)
 {
 	char *destend = dest + len;
 
diff --git a/source3/libsmb/namequery.c b/source3/libsmb/namequery.c
index 0db1e367dc..5dadd4d474 100644
--- a/source3/libsmb/namequery.c
+++ b/source3/libsmb/namequery.c
@@ -35,10 +35,10 @@ static int generate_trn_id(void)
 	static int trn_id;
 
 	if (trn_id == 0) {
-		srandom(sys_getpid());
+		sys_srandom(sys_getpid());
 	}
 
-	trn_id = random();
+	trn_id = sys_random();
 
 	return trn_id % (unsigned)0x7FFF;
 }
diff --git a/source3/passdb/pass_check.c b/source3/passdb/pass_check.c
index 0496ed9961..aea543d853 100644
--- a/source3/passdb/pass_check.c
+++ b/source3/passdb/pass_check.c
@@ -353,20 +353,8 @@ static BOOL dfs_auth(char *user, char *password)
 
 	egid = getegid();
 
-	if (set_effective_gid(pw->pw_gid) != 0)
-	{
-		DEBUG(0, ("Can't set egid to %d (%s)\n",
-			  pw->pw_gid, strerror(errno)));
-		return False;
-	}
-
-	if (set_effective_uid(pw->pw_uid) != 0)
-	{
-		set_effective_gid(egid);
-		DEBUG(0, ("Can't set euid to %d (%s)\n",
-			  pw->pw_uid, strerror(errno)));
-		return False;
-	}
+	set_effective_gid(pw->pw_gid);
+	set_effective_uid(pw->pw_uid);
 
 	if (sec_login_setup_identity((unsigned char *)user,
 				     sec_login_no_flags,
diff --git a/source3/printing/nt_printing.c b/source3/printing/nt_printing.c
index 7df1aaf405..d63fdfd1b9 100644
--- a/source3/printing/nt_printing.c
+++ b/source3/printing/nt_printing.c
@@ -72,7 +72,7 @@ int get_ntforms(nt_forms_struct **list)
 
 	for (kbuf = tdb_firstkey(tdb); 
 	     kbuf.dptr; 
-	     newkey = tdb_nextkey(tdb, kbuf), free(kbuf.dptr), kbuf=newkey) {
+	     newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
 		if (strncmp(kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) != 0) continue;
 		
 		dbuf = tdb_fetch(tdb, kbuf);
@@ -82,7 +82,7 @@ int get_ntforms(nt_forms_struct **list)
 		ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddddddd",
 				 &form.flag, &form.width, &form.length, &form.left,
 				 &form.top, &form.right, &form.bottom);
-		free(dbuf.dptr);
+		safe_free(dbuf.dptr);
 		if (ret != dbuf.dsize) continue;
 
 		*list = Realloc(*list, sizeof(nt_forms_struct)*(n+1));
@@ -211,7 +211,7 @@ int get_ntdrivers(fstring **list, char *architecture)
 
 	for (kbuf = tdb_firstkey(tdb); 
 	     kbuf.dptr; 
-	     newkey = tdb_nextkey(tdb, kbuf), free(kbuf.dptr), kbuf=newkey) {
+	     newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
 		if (strncmp(kbuf.dptr, key, strlen(key)) != 0) continue;
 		
 		if((*list = Realloc(*list, sizeof(fstring)*(total+1))) == NULL)
@@ -324,7 +324,7 @@ static uint32 add_a_printer_driver_3(NT_PRINTER_DRIVER_INFO_LEVEL_3 *driver)
 	
 	ret = tdb_store(tdb, kbuf, dbuf, TDB_REPLACE);
 
-	free(buf);
+	safe_free(buf);
 	return ret;
 }
 
@@ -413,7 +413,7 @@ static uint32 get_a_printer_driver_3(NT_PRINTER_DRIVER_INFO_LEVEL_3 **info_ptr,
 	}
 	fstrcpy(driver.dependentfiles[i], "");
 
-	free(dbuf.dptr);
+	safe_free(dbuf.dptr);
 
 	if (len != dbuf.dsize) {
 		return get_a_printer_driver_3_default(info_ptr, in_prt, in_arch);
@@ -641,7 +641,7 @@ static uint32 add_a_printer_2(NT_PRINTER_INFO_LEVEL_2 *info)
 
 	ret = tdb_store(tdb, kbuf, dbuf, TDB_REPLACE);
 
-	free(buf);
+	safe_free(buf);
 
 	return ret;
 }
@@ -690,7 +690,7 @@ BOOL unlink_specific_param_if_exist(NT_PRINTER_INFO_LEVEL_2 *info_2, NT_PRINTER_
 		DEBUG(109,("deleting first value\n"));
 		info_2->specific=current->next;
 		safe_free(current->data);
-		free(current);
+		safe_free(current);
 		DEBUG(109,("deleted first value\n"));
 		return (True);
 	}
@@ -704,7 +704,7 @@ BOOL unlink_specific_param_if_exist(NT_PRINTER_INFO_LEVEL_2 *info_2, NT_PRINTER_
 		{
 			DEBUG(109,("deleting current value\n"));
 			previous->next=current->next;
-			free(current);
+			safe_free(current);
 			DEBUG(109,("deleted current value\n"));
 			return(True);
 		}
@@ -728,16 +728,106 @@ static void free_nt_printer_param(NT_PRINTER_PARAM **param_ptr)
 	DEBUG(106,("free_nt_printer_param: deleting param [%s]\n", param->value));
 
 	if(param->data)
-		free(param->data);
+		safe_free(param->data);
 
-	free(param);
+	safe_free(param);
 	*param_ptr = NULL;
 }
 
 /****************************************************************************
+ Malloc and return an NT devicemode.
+****************************************************************************/
+
+NT_DEVICEMODE *construct_nt_devicemode(void)
+{
+/*
+ * should I init this ones ???
+	nt_devmode->devicename
+*/
+
+	NT_DEVICEMODE *nt_devmode = (NT_DEVICEMODE *)malloc(sizeof(NT_DEVICEMODE));
+
+	if (nt_devmode == NULL) {
+		DEBUG(0,("construct_nt_devicemode: malloc fail.\n"));
+		return NULL;
+	}
+
+	ZERO_STRUCTP(nt_devmode);
+
+	fstrcpy(nt_devmode->formname, "A4");
+
+	nt_devmode->specversion      = 0x0401;
+	nt_devmode->driverversion    = 0x0400;
+	nt_devmode->size             = 0x00DC;
+	nt_devmode->driverextra      = 0x0000;
+	nt_devmode->fields           = FORMNAME | TTOPTION | PRINTQUALITY | 
+				       DEFAULTSOURCE | COPIES | SCALE | 
+				       PAPERSIZE | ORIENTATION;
+	nt_devmode->orientation      = 1;
+	nt_devmode->papersize        = PAPER_A4;
+	nt_devmode->paperlength      = 0;
+	nt_devmode->paperwidth       = 0;
+	nt_devmode->scale            = 0x64;
+	nt_devmode->copies           = 01;
+	nt_devmode->defaultsource    = BIN_FORMSOURCE;
+	nt_devmode->printquality     = 0x0258;
+	nt_devmode->color            = COLOR_MONOCHROME;
+	nt_devmode->duplex           = DUP_SIMPLEX;
+	nt_devmode->yresolution      = 0;
+	nt_devmode->ttoption         = TT_SUBDEV;
+	nt_devmode->collate          = COLLATE_FALSE;
+	nt_devmode->icmmethod        = 0;
+	nt_devmode->icmintent        = 0;
+	nt_devmode->mediatype        = 0;
+	nt_devmode->dithertype       = 0;
+
+	/* non utilisés par un driver d'imprimante */
+	nt_devmode->logpixels        = 0;
+	nt_devmode->bitsperpel       = 0;
+	nt_devmode->pelswidth        = 0;
+	nt_devmode->pelsheight       = 0;
+	nt_devmode->displayflags     = 0;
+	nt_devmode->displayfrequency = 0;
+	nt_devmode->reserved1        = 0;
+	nt_devmode->reserved2        = 0;
+	nt_devmode->panningwidth     = 0;
+	nt_devmode->panningheight    = 0;
+	
+	nt_devmode->private=NULL;
+
+	return nt_devmode;
+}
+
+/****************************************************************************
+ Deepcopy an NT devicemode.
+****************************************************************************/
+
+NT_DEVICEMODE *dup_nt_devicemode(NT_DEVICEMODE *nt_devicemode)
+{
+	NT_DEVICEMODE *new_nt_devicemode = NULL;
+
+	if ((new_nt_devicemode = (NT_DEVICEMODE *)memdup(nt_devicemode, sizeof(NT_DEVICEMODE))) == NULL) {
+		DEBUG(0,("dup_nt_devicemode: malloc fail.\n"));
+		return NULL;
+	}
+
+	new_nt_devicemode->private = NULL;
+	if (nt_devicemode->private != NULL) {
+		if ((new_nt_devicemode->private = memdup(nt_devicemode->private, nt_devicemode->driverextra)) == NULL) {
+			safe_free(new_nt_devicemode);
+			DEBUG(0,("dup_nt_devicemode: malloc fail.\n"));
+			return NULL;
+        }
+	}
+
+	return new_nt_devicemode;
+}
+
+/****************************************************************************
  Clean up and deallocate a (maybe partially) allocated NT_DEVICEMODE.
 ****************************************************************************/
-static void free_nt_devicemode(NT_DEVICEMODE **devmode_ptr)
+
+void free_nt_devicemode(NT_DEVICEMODE **devmode_ptr)
 {
 	NT_DEVICEMODE *nt_devmode = *devmode_ptr;
 
@@ -747,9 +837,9 @@ static void free_nt_devicemode(NT_DEVICEMODE **devmode_ptr)
 	DEBUG(106,("free_nt_devicemode: deleting DEVMODE\n"));
 
 	if(nt_devmode->private)
-		free(nt_devmode->private);
+		safe_free(nt_devmode->private);
 
-	free(nt_devmode);
+	safe_free(nt_devmode);
 	*devmode_ptr = NULL;
 }
 
@@ -767,7 +857,7 @@ static void free_nt_printer_info_level_2(NT_PRINTER_INFO_LEVEL_2 **info_ptr)
 	DEBUG(106,("free_nt_printer_info_level_2: deleting info\n"));
 
 	free_nt_devicemode(&info->devmode);
-	free_sec_desc_buf(&info->secdesc);
+	free_sec_desc_buf(&info->secdesc_buf);
 
 	for(param_ptr = info->specific; param_ptr; ) {
 		NT_PRINTER_PARAM *tofree = param_ptr;
@@ -866,13 +956,9 @@ static uint32 get_a_printer_2_default(NT_PRINTER_INFO_LEVEL_2 **info_ptr, fstrin
 	extern pstring global_myname;
 	int snum;
 	NT_PRINTER_INFO_LEVEL_2 info;
-	NT_DEVICEMODE devmode;
 
 	ZERO_STRUCT(info);
-	ZERO_STRUCT(devmode);
 
-	init_devicemode(&devmode);
-	
 	snum = lp_servicenumber(sharename);
 
 	fstrcpy(info.servername, global_myname);
@@ -882,14 +968,27 @@ static uint32 get_a_printer_2_default(NT_PRINTER_INFO_LEVEL_2 **info_ptr, fstrin
 	fstrcpy(info.printprocessor, "winprint");
 	fstrcpy(info.datatype, "RAW");
 
-	info.devmode = (NT_DEVICEMODE *)memdup(&devmode, sizeof(devmode));
+	if ((info.devmode = construct_nt_devicemode()) == NULL)
+		goto fail;
 
-	nt_printing_getsec(sharename, &info.secdesc);
+	if (!nt_printing_getsec(sharename, &info.secdesc_buf))
+		goto fail;
 
 	*info_ptr = (NT_PRINTER_INFO_LEVEL_2 *)memdup(&info, sizeof(info));
-	if (! *info_ptr) return 2;
+	if (! *info_ptr) {
+		DEBUG(0,("get_a_printer_2_default: malloc fail.\n"));
+		goto fail;
+	}
 
 	return (0);	
+
+  fail:
+
+	if (info.devmode)
+		free_nt_devicemode(&info.devmode);
+	if (info.secdesc_buf)
+		free_sec_desc_buf(&info.secdesc_buf);
+	return 2;
 }
 
 /****************************************************************************
@@ -938,7 +1037,7 @@ static uint32 get_a_printer_2(NT_PRINTER_INFO_LEVEL_2 **info_ptr, fstring sharen
 	len += unpack_devicemode(&info.devmode,dbuf.dptr+len, dbuf.dsize-len);
 	len += unpack_specifics(&info.specific,dbuf.dptr+len, dbuf.dsize-len);
 
-	nt_printing_getsec(sharename, &info.secdesc);
+	nt_printing_getsec(sharename, &info.secdesc_buf);
 
 	*info_ptr=memdup(&info, sizeof(info));
 	
@@ -1031,19 +1130,32 @@ uint32 add_a_printer(NT_PRINTER_INFO_LEVEL printer, uint32 level)
 }
 
 /****************************************************************************
+ Get a NT_PRINTER_INFO_LEVEL struct. It returns malloced memory.
 ****************************************************************************/
-uint32 get_a_printer(NT_PRINTER_INFO_LEVEL *printer, uint32 level, fstring sharename)
+
+uint32 get_a_printer(NT_PRINTER_INFO_LEVEL **pp_printer, uint32 level, fstring sharename)
 {
 	uint32 success;
+	NT_PRINTER_INFO_LEVEL *printer = NULL;
 	
+	*pp_printer = NULL;
+
 	DEBUG(10,("get_a_printer: [%s] level %u\n", sharename, (unsigned int)level));
 
 	switch (level)
 	{
 		case 2: 
 		{
-			printer->info_2=NULL;
-			success=get_a_printer_2(&(printer->info_2), sharename);
+			if ((printer = (NT_PRINTER_INFO_LEVEL *)malloc(sizeof(NT_PRINTER_INFO_LEVEL))) == NULL) {
+				DEBUG(0,("get_a_printer: malloc fail.\n"));
+				return 1;
+			}
+			ZERO_STRUCTP(printer);
+			success=get_a_printer_2(&printer->info_2, sharename);
+			if (success == 0) {
+				dump_a_printer(*printer, level);
+				*pp_printer = printer;
+			}
 			break;
 		}
 		default:
@@ -1051,27 +1163,32 @@ uint32 get_a_printer(NT_PRINTER_INFO_LEVEL *printer, uint32 level, fstring share
 			break;
 	}
 	
-	dump_a_printer(*printer, level);
-
 	DEBUG(10,("get_a_printer: [%s] level %u returning %u\n", sharename, (unsigned int)level, (unsigned int)success));
 
 	return (success);
 }
 
 /****************************************************************************
+ Deletes a NT_PRINTER_INFO_LEVEL struct.
 ****************************************************************************/
-uint32 free_a_printer(NT_PRINTER_INFO_LEVEL printer, uint32 level)
+
+uint32 free_a_printer(NT_PRINTER_INFO_LEVEL **pp_printer, uint32 level)
 {
 	uint32 success;
+	NT_PRINTER_INFO_LEVEL *printer = *pp_printer;
+
 	DEBUG(104,("freeing a printer at level [%d]\n", level));
+
+	if (printer == NULL)
+		return 0;
 	
 	switch (level)
 	{
 		case 2: 
 		{
-			if (printer.info_2 != NULL)
+			if (printer->info_2 != NULL)
 			{
-				free_nt_printer_info_level_2(&printer.info_2);
+				free_nt_printer_info_level_2(&printer->info_2);
 				success=0;
 			}
 			else
@@ -1084,6 +1201,9 @@ uint32 free_a_printer(NT_PRINTER_INFO_LEVEL printer, uint32 level)
 			success=1;
 			break;
 	}
+
+	safe_free(printer);
+	*pp_printer = NULL;
 	return (success);
 }
 
@@ -1156,7 +1276,7 @@ uint32 free_a_printer_driver(NT_PRINTER_DRIVER_INFO_LEVEL driver, uint32 level)
 				info3=driver.info_3;
 				if (info3->dependentfiles)
 					free(info3->dependentfiles);
-				free(info3);
+				safe_free(info3);
 				ZERO_STRUCTP(info3);
 				success=0;
 			}
@@ -1244,57 +1364,6 @@ BOOL get_specific_param(NT_PRINTER_INFO_LEVEL printer, uint32 level,
 	return (False);
 }
 
-/****************************************************************************
-****************************************************************************/
-void init_devicemode(NT_DEVICEMODE *nt_devmode)
-{
-/*
- * should I init this ones ???
-	nt_devmode->devicename
-*/
-	fstrcpy(nt_devmode->formname, "A4");
-
-	nt_devmode->specversion      = 0x0401;
-	nt_devmode->driverversion    = 0x0400;
-	nt_devmode->size             = 0x00DC;
-	nt_devmode->driverextra      = 0x0000;
-	nt_devmode->fields           = FORMNAME | TTOPTION | PRINTQUALITY | 
-				       DEFAULTSOURCE | COPIES | SCALE | 
-				       PAPERSIZE | ORIENTATION;
-	nt_devmode->orientation      = 1;
-	nt_devmode->papersize        = PAPER_A4;
-	nt_devmode->paperlength      = 0;
-	nt_devmode->paperwidth       = 0;
-	nt_devmode->scale            = 0x64;
-	nt_devmode->copies           = 01;
-	nt_devmode->defaultsource    = BIN_FORMSOURCE;
-	nt_devmode->printquality     = 0x0258;
-	nt_devmode->color            = COLOR_MONOCHROME;
-	nt_devmode->duplex           = DUP_SIMPLEX;
-	nt_devmode->yresolution      = 0;
-	nt_devmode->ttoption         = TT_SUBDEV;
-	nt_devmode->collate          = COLLATE_FALSE;
-	nt_devmode->icmmethod        = 0;
-	nt_devmode->icmintent        = 0;
-	nt_devmode->mediatype        = 0;
-	nt_devmode->dithertype       = 0;
-
-	/* non utilisés par un driver d'imprimante */
-	nt_devmode->logpixels        = 0;
-	nt_devmode->bitsperpel       = 0;
-	nt_devmode->pelswidth        = 0;
-	nt_devmode->pelsheight       = 0;
-	nt_devmode->displayflags     = 0;
-	nt_devmode->displayfrequency = 0;
-	nt_devmode->reserved1        = 0;
-	nt_devmode->reserved2        = 0;
-	nt_devmode->panningwidth     = 0;
-	nt_devmode->panningheight    = 0;
-	
-	nt_devmode->private=NULL;
-}
-
-
 
 /****************************************************************************
 store a security desc for a printer
@@ -1308,7 +1377,7 @@ uint32 nt_printing_setsec(char *printername, SEC_DESC_BUF *secdesc_ctr)
 	prs_init(&ps, 0, 4, MARSHALL);
 	ps.is_dynamic = True;
 
-	if (!sec_io_desc_buf("nt_printing_setsec", secdesc_ctr, &ps, 1)) {
+	if (!sec_io_desc_buf("nt_printing_setsec", &secdesc_ctr, &ps, 1)) {
 		status = ERROR_INVALID_FUNCTION;
 		goto out;
 	}
@@ -1329,9 +1398,34 @@ uint32 nt_printing_setsec(char *printername, SEC_DESC_BUF *secdesc_ctr)
 }
 
 /****************************************************************************
-get a security desc for a printer
+ Construct a default security descriptor buffer for a printer.
+****************************************************************************/
+
+static SEC_DESC_BUF *construct_default_printer_sdb(void)
+{
+	extern DOM_SID global_sid_World; 
+	SEC_DESC_BUF *sdb = NULL;
+	size_t sd_size;
+	SEC_DESC *psd = make_sec_desc(1, SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
+								&global_sid_World, &global_sid_World,
+								NULL, NULL, &sd_size);
+
+	if (!psd) {
+		DEBUG(0,("construct_default_printer_sd: Failed to make SEC_DESC.\n"));
+		return NULL;
+	}
+
+	sdb = make_sec_desc_buf(sd_size, psd);
+
+	free_sec_desc(&psd);
+	return sdb;
+}
+
+/****************************************************************************
+ Get a security desc for a printer.
 ****************************************************************************/
-uint32 nt_printing_getsec(char *printername, SEC_DESC_BUF *secdesc_ctr)
+
+BOOL nt_printing_getsec(char *printername, SEC_DESC_BUF **secdesc_ctr)
 {
 	prs_struct ps;
 	fstring key;
@@ -1340,16 +1434,17 @@ uint32 nt_printing_getsec(char *printername, SEC_DESC_BUF *secdesc_ctr)
 
 	if (tdb_prs_fetch(tdb, key, &ps)!=0 ||
 	    !sec_io_desc_buf("nt_printing_getsec", secdesc_ctr, &ps, 1)) {
+
 		DEBUG(4,("using default secdesc for %s\n", printername));
-		secdesc_ctr->len = convertperms_unix_to_sd(NULL, False,
-							   0007,
-							   &secdesc_ctr->sec);
-		secdesc_ctr->max_len = secdesc_ctr->len;
-		return 0;
+
+		if ((*secdesc_ctr = construct_default_printer_sdb()))
+			return False;
+
+		return True;
 	}
 
 	prs_mem_free(&ps);
-	return 0;
+	return True;
 }
 
 /* error code:
diff --git a/source3/rpc_parse/parse_misc.c b/source3/rpc_parse/parse_misc.c
index e68cd3ae12..935d83cafa 100644
--- a/source3/rpc_parse/parse_misc.c
+++ b/source3/rpc_parse/parse_misc.c
@@ -785,14 +785,14 @@ BOOL smb_io_string2(char *desc, STRING2 *str2, uint32 buffer, prs_struct *ps, in
  Inits a UNISTR2 structure.
 ********************************************************************/
 
-void init_unistr2(UNISTR2 *str, char *buf, int len)
+void init_unistr2(UNISTR2 *str, const char *buf, size_t len)
 {
 	ZERO_STRUCTP(str);
 
 	/* set up string lengths. */
-	str->uni_max_len = len;
+	str->uni_max_len = (uint32)len;
 	str->undoc       = 0;
-	str->uni_str_len = len;
+	str->uni_str_len = (uint32)len;
 
 	/* store the string (null-terminated 8 bit chars into 16 bit chars) */
 	dos_struni2((char *)str->buffer, buf, sizeof(str->buffer));
diff --git a/source3/rpc_parse/parse_samr.c b/source3/rpc_parse/parse_samr.c
index 4a85524263..47e69670f7 100644
--- a/source3/rpc_parse/parse_samr.c
+++ b/source3/rpc_parse/parse_samr.c
@@ -314,9 +314,6 @@ BOOL samr_io_q_query_dom_info(char *desc,  SAMR_Q_QUERY_DOMAIN_INFO *q_u, prs_st
 
 	if(!prs_uint16("switch_value", ps, depth, &q_u->switch_value))
 		return False;
-	if(!prs_align(ps))
-		return False;
-
 
 	return True;
 }
@@ -899,6 +896,7 @@ static void init_sam_entry3(SAM_ENTRY3 *sam, uint32 grp_idx,
 {
 	DEBUG(5,("init_sam_entry3\n"));
 
+	ZERO_STRUCTP(sam);
 	sam->grp_idx = grp_idx;
 	sam->rid_grp = rid_grp;
 	sam->attr    = 0x07; /* group rid attributes - gets ignored by nt 4.0 */
diff --git a/source3/rpc_parse/parse_sec.c b/source3/rpc_parse/parse_sec.c
index 57fd04e05d..76e246ca9e 100644
--- a/source3/rpc_parse/parse_sec.c
+++ b/source3/rpc_parse/parse_sec.c
@@ -2,10 +2,10 @@
  *  Unix SMB/Netbios implementation.
  *  Version 1.9.
  *  RPC Pipe client / server routines
- *  Copyright (C) Andrew Tridgell              1992-1999,
- *  Copyright (C) Jeremy R. Allison            1995-1999
- *  Copyright (C) Luke Kenneth Casson Leighton 1996-1999,
- *  Copyright (C) Paul Ashton                  1997-1999.
+ *  Copyright (C) Andrew Tridgell              1992-1998,
+ *  Copyright (C) Jeremy R. Allison            1995-1998
+ *  Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
+ *  Copyright (C) Paul Ashton                  1997-1998.
  *  
  *  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
@@ -24,20 +24,18 @@
 
 
 #include "includes.h"
-#include "rpc_parse.h"
 
 extern int DEBUGLEVEL;
 
+#define SD_HEADER_SIZE 0x14
 
 /*******************************************************************
  Sets up a SEC_ACCESS structure.
 ********************************************************************/
 
-BOOL make_sec_access(SEC_ACCESS * t, uint32 mask)
+void init_sec_access(SEC_ACCESS *t, uint32 mask)
 {
-	ZERO_STRUCTP(t);
 	t->mask = mask;
-	return True;
 }
 
 /*******************************************************************
@@ -52,9 +50,11 @@ BOOL sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
 	prs_debug(ps, depth, desc, "sec_io_access");
 	depth++;
 
-	prs_align(ps);
-
-	prs_uint32("mask", ps, depth, &(t->mask));
+	if(!prs_align(ps))
+		return False;
+	
+	if(!prs_uint32("mask", ps, depth, &(t->mask)))
+		return False;
 
 	return True;
 }
@@ -64,540 +64,558 @@ BOOL sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
  Sets up a SEC_ACE structure.
 ********************************************************************/
 
-static size_t sec_ace_get_size(const SEC_ACE *ace)
-{
-	if (ace == NULL)
-		return 0;
-	return sid_size(&ace->sid) + 8;
-}
-
-BOOL make_sec_ace(SEC_ACE * t, const DOM_SID *sid, uint8 type,
-		  SEC_ACCESS mask, uint8 flag)
+void init_sec_ace(SEC_ACE *t, DOM_SID *sid, uint8 type, SEC_ACCESS mask, uint8 flag)
 {
-	ZERO_STRUCTP(t);
-
 	t->type = type;
 	t->flags = flag;
+	t->size = sid_size(sid) + 8;
 	t->info = mask;
-	sid_copy(&t->sid, sid);
-
-	t->size = sec_ace_get_size(t);
 
-	return True;
+	ZERO_STRUCTP(&t->sid);
+	sid_copy(&t->sid, sid);
 }
 
 /*******************************************************************
  Reads or writes a SEC_ACE structure.
 ********************************************************************/
 
-static BOOL sec_io_ace(char *desc, SEC_ACE * t, prs_struct *ps, int depth)
+BOOL sec_io_ace(char *desc, SEC_ACE *psa, prs_struct *ps, int depth)
 {
 	uint32 old_offset;
 	uint32 offset_ace_size;
-	if (t == NULL)
+
+	if (psa == NULL)
 		return False;
 
 	prs_debug(ps, depth, desc, "sec_io_ace");
 	depth++;
 
-	prs_align(ps);
-
+	if(!prs_align(ps))
+		return False;
+	
 	old_offset = prs_offset(ps);
 
-	prs_uint8("type ", ps, depth, &(t->type));
-	prs_uint8("flags", ps, depth, &(t->flags));
-	prs_uint16_pre("size ", ps, depth, &(t->size), &offset_ace_size);
+	if(!prs_uint8("type ", ps, depth, &psa->type))
+		return False;
+
+	if(!prs_uint8("flags", ps, depth, &psa->flags))
+		return False;
+
+	if(!prs_uint16_pre("size ", ps, depth, &psa->size, &offset_ace_size))
+		return False;
+
+	if(!sec_io_access("info ", &psa->info, ps, depth))
+		return False;
+
+	if(!prs_align(ps))
+		return False;
 
-	sec_io_access("info ", &t->info, ps, depth);
-	prs_align(ps);
-	smb_io_dom_sid("sid  ", &t->sid, ps, depth);
-	prs_align(ps);
+	if(!smb_io_dom_sid("sid  ", &psa->sid , ps, depth))
+		return False;
 
-	prs_uint16_post("size ", ps, depth, &t->size, offset_ace_size,
-			old_offset);
+	if(!prs_uint16_post("size ", ps, depth, &psa->size, offset_ace_size, old_offset))
+		return False;
 
 	return True;
 }
 
 /*******************************************************************
- Create a SEC_ACL structure.
+ Create a SEC_ACL structure.  
 ********************************************************************/
-BOOL make_sec_acl(SEC_ACL * t, uint16 revision, int num_aces, SEC_ACE * ace)
+
+SEC_ACL *make_sec_acl(uint16 revision, int num_aces, SEC_ACE *ace_list)
 {
+	SEC_ACL *dst;
 	int i;
 
-	ZERO_STRUCTP(t);
+	if((dst = (SEC_ACL *)malloc(sizeof(SEC_ACL))) == NULL)
+		return NULL;
 
-	t->revision = revision;
-	t->num_aces = num_aces;
-	t->size = 8;
-	t->ace = ace;
+	ZERO_STRUCTP(dst);
 
-	for (i = 0; i < num_aces; i++)
-	{
-		t->size += sec_ace_get_size(&ace[i]);
+	dst->revision = revision;
+	dst->num_aces = num_aces;
+	dst->size = 8;
+
+	if((dst->ace = (SEC_ACE *)malloc( sizeof(SEC_ACE) * num_aces )) == NULL) {
+		free_sec_acl(&dst);
+		return NULL;
 	}
 
-	return True;
+	for (i = 0; i < num_aces; i++) {
+		dst->ace[i] = ace_list[i]; /* Structure copy. */
+		dst->size += ace_list[i].size;
+	}
+
+	return dst;
 }
 
 /*******************************************************************
- Duplicate a SEC_ACL structure.
+ Duplicate a SEC_ACL structure.  
 ********************************************************************/
+
 SEC_ACL *dup_sec_acl( SEC_ACL *src)
 {
 	if(src == NULL)
 		return NULL;
 
-	return NULL;
+	return make_sec_acl( src->revision, src->num_aces, src->ace);
 }
 
 /*******************************************************************
-frees a structure.  
+ Delete a SEC_ACL structure.  
 ********************************************************************/
-void free_sec_acl(SEC_ACL * t)
+
+void free_sec_acl(SEC_ACL **ppsa)
 {
-	if (t == NULL)
+	SEC_ACL *psa;
+
+	if(ppsa == NULL || *ppsa == NULL)
 		return;
-	if (t->ace != NULL)
-	{
-		free(t->ace);
-		t->ace = NULL;
-	}
-	t->num_aces = 0;
+
+	psa = *ppsa;
+	if (psa->ace != NULL)
+		free(psa->ace);
+
+	free(psa);
+	*ppsa = NULL;
 }
 
 /*******************************************************************
- Reads or writes a structure.  
+ Reads or writes a SEC_ACL structure.  
 
  First of the xx_io_xx functions that allocates its data structures
  for you as it reads them.
 ********************************************************************/
 
-static BOOL sec_io_acl(char *desc, SEC_ACL * t, prs_struct *ps, int depth)
+BOOL sec_io_acl(char *desc, SEC_ACL **ppsa, prs_struct *ps, int depth)
 {
-	uint32 i;
+	int i;
 	uint32 old_offset;
 	uint32 offset_acl_size;
+	SEC_ACL *psa;
 
-	if (t == NULL)
+	if (ppsa == NULL)
 		return False;
 
+	psa = *ppsa;
+
+	if(UNMARSHALLING(ps) && psa == NULL) {
+		/*
+		 * This is a read and we must allocate the stuct to read into.
+		 */
+		if((psa = (SEC_ACL *)malloc(sizeof(SEC_ACL))) == NULL)
+			return False;
+		ZERO_STRUCTP(psa);
+		*ppsa = psa;
+	}
+
 	prs_debug(ps, depth, desc, "sec_io_acl");
 	depth++;
 
-	prs_align(ps);
-
+	if(!prs_align(ps))
+		return False;
+	
 	old_offset = prs_offset(ps);
 
-	prs_uint16("revision", ps, depth, &(t->revision));
-	prs_uint16_pre("size     ", ps, depth, &(t->size), &offset_acl_size);
-	prs_uint32("num_aces ", ps, depth, &(t->num_aces));
+	if(!prs_uint16("revision", ps, depth, &psa->revision))
+		return False;
 
-	if (ps->io && t->num_aces != 0)
-	{
-		/* reading */
-		t->ace = (SEC_ACE *) malloc(sizeof(t->ace[0]) * t->num_aces);
-		ZERO_STRUCTP(t->ace);
-	}
+	if(!prs_uint16_pre("size     ", ps, depth, &psa->size, &offset_acl_size))
+		return False;
 
-	if (t->ace == NULL && t->num_aces != 0)
-	{
-		DEBUG(0, ("INVALID ACL\n"));
-		prs_set_offset(ps, 0xfffffffe);
+	if(!prs_uint32("num_aces ", ps, depth, &psa->num_aces))
 		return False;
+
+	if (UNMARSHALLING(ps) && psa->num_aces != 0) {
+		/* reading */
+		if((psa->ace = malloc(sizeof(psa->ace[0]) * psa->num_aces)) == NULL)
+			return False;
+		ZERO_STRUCTP(psa->ace);
 	}
 
-	for (i = 0; i < MIN(t->num_aces, MAX_SEC_ACES); i++)
-	{
+	for (i = 0; i < psa->num_aces; i++) {
 		fstring tmp;
-		slprintf(tmp, sizeof(tmp) - 1, "ace[%02d]: ", i);
-		if(!sec_io_ace(tmp, &t->ace[i], ps, depth))
+		slprintf(tmp, sizeof(tmp)-1, "ace_list[%02d]: ", i);
+		if(!sec_io_ace(tmp, &psa->ace[i], ps, depth))
 			return False;
 	}
 
-	prs_align(ps);
+	if(!prs_align(ps))
+		return False;
 
-	prs_uint16_post("size     ", ps, depth, &t->size, offset_acl_size,
-			old_offset);
+	if(!prs_uint16_post("size     ", ps, depth, &psa->size, offset_acl_size, old_offset))
+		return False;
 
 	return True;
 }
 
-
 /*******************************************************************
  Creates a SEC_DESC structure
 ********************************************************************/
-int make_sec_desc(SEC_DESC * t, uint16 revision, uint16 type,
-		  DOM_SID *owner_sid, DOM_SID *grp_sid,
-		  SEC_ACL * sacl, SEC_ACL * dacl)
+
+SEC_DESC *make_sec_desc(uint16 revision, uint16 type,
+			DOM_SID *owner_sid, DOM_SID *grp_sid,
+			SEC_ACL *sacl, SEC_ACL *dacl, size_t *sec_desc_size)
 {
+	SEC_DESC *dst;
 	uint32 offset;
 
-	ZERO_STRUCTP(t);
+	*sec_desc_size = 0;
 
-	t->revision = revision;
-	t->type = type;
+	if(( dst = (SEC_DESC *)malloc(sizeof(SEC_DESC))) == NULL)
+		return NULL;
 
-	t->off_owner_sid = 0;
-	t->off_grp_sid = 0;
-	t->off_sacl = 0;
-	t->off_dacl = 0;
+	ZERO_STRUCTP(dst);
 
-	t->dacl = dacl;
-	t->sacl = sacl;
-	t->owner_sid = owner_sid;
-	t->grp_sid = grp_sid;
+	dst->revision = revision;
+	dst->type     = type;
 
+	dst->off_owner_sid = 0;
+	dst->off_grp_sid   = 0;
+	dst->off_sacl      = 0;
+	dst->off_dacl      = 0;
+
+	if(owner_sid && ((dst->owner_sid = sid_dup(owner_sid)) == NULL))
+		goto error_exit;
+
+	if(grp_sid && ((dst->grp_sid = sid_dup(grp_sid)) == NULL))
+		goto error_exit;
+
+	if(sacl && ((dst->sacl = dup_sec_acl(sacl)) == NULL))
+		goto error_exit;
+
+	if(dacl && ((dst->dacl = dup_sec_acl(dacl)) == NULL))
+		goto error_exit;
+		
 	offset = 0x0;
 
-	if (dacl != NULL)
-	{
+	/*
+	 * Work out the linearization sizes.
+	 */
+
+	if (dst->owner_sid != NULL) {
+
 		if (offset == 0)
-		{
-			offset = 0x14;
-		}
-		t->off_dacl = offset;
-		offset += dacl->size;
-		offset = ((offset + 3) & ~3);
+			offset = SD_HEADER_SIZE;
+
+		dst->off_owner_sid = offset;
+		offset += ((sid_size(dst->owner_sid) + 3) & ~3);
 	}
 
-	if (sacl != NULL)
-	{
+	if (dst->grp_sid != NULL) {
+
 		if (offset == 0)
-		{
-			offset = 0x14;
-		}
-		t->off_sacl = offset;
-		offset += sacl->size;
-		offset = ((offset + 3) & ~3);
+			offset = SD_HEADER_SIZE;
+
+		dst->off_grp_sid = offset;
+		offset += ((sid_size(dst->grp_sid) + 3) & ~3);
 	}
 
-	if (owner_sid != NULL)
-	{
+	if (dst->sacl != NULL) {
+
 		if (offset == 0)
-		{
-			offset = 0x14;
-		}
-		t->off_owner_sid = offset;
-		offset += sid_size(owner_sid);
-		offset = ((offset + 3) & ~3);
+			offset = SD_HEADER_SIZE;
+
+		dst->off_sacl = offset;
+		offset += ((sacl->size + 3) & ~3);
 	}
 
-	if (grp_sid != NULL)
-	{
+	if (dst->dacl != NULL) {
+
 		if (offset == 0)
-		{
-			offset = 0x14;
-		}
-		t->off_grp_sid = offset;
-		offset += sid_size(grp_sid);
+			offset = SD_HEADER_SIZE;
+
+		dst->off_dacl = offset;
+		offset += ((dacl->size + 3) & ~3);
 	}
 
-	return (offset == 0) ? 0x14 : offset;
+	*sec_desc_size = (size_t)((offset == 0) ? SD_HEADER_SIZE : offset);
+	return dst;
+
+error_exit:
+
+	*sec_desc_size = 0;
+	free_sec_desc(&dst);
+	return NULL;
 }
 
+/*******************************************************************
+ Duplicate a SEC_DESC structure.  
+********************************************************************/
+
+SEC_DESC *dup_sec_desc( SEC_DESC *src)
+{
+	size_t dummy;
+
+	if(src == NULL)
+		return NULL;
+
+	return make_sec_desc( src->revision, src->type, 
+				src->owner_sid, src->grp_sid, src->sacl,
+				src->dacl, &dummy);
+}
 
 /*******************************************************************
-frees a structure
+ Deletes a SEC_DESC structure
 ********************************************************************/
-void free_sec_desc(SEC_DESC * t)
+
+void free_sec_desc(SEC_DESC **ppsd)
 {
-	if (t->dacl != NULL)
-	{
-		free_sec_acl(t->dacl);
-	}
+	SEC_DESC *psd;
 
-	if (t->sacl != NULL)
-	{
-		free_sec_acl(t->dacl);
+	if(ppsd == NULL || *ppsd == NULL)
+		return;
 
-	}
+	psd = *ppsd;
 
-	if (t->owner_sid != NULL)
-	{
-		free(t->owner_sid);
-		t->owner_sid = NULL;
-	}
+	free_sec_acl(&psd->dacl);
+	free_sec_acl(&psd->dacl);
+	free(psd->owner_sid);
+	free(psd->grp_sid);
+	free(psd);
+	*ppsd = NULL;
+}
 
-	if (t->grp_sid != NULL)
-	{
-		free(t->grp_sid);
-		t->grp_sid = NULL;
-	}
+/*******************************************************************
+ Creates a SEC_DESC structure with typical defaults.
+********************************************************************/
+
+SEC_DESC *make_standard_sec_desc(DOM_SID *owner_sid, DOM_SID *grp_sid,
+				 SEC_ACL *dacl, size_t *sec_desc_size)
+{
+	return make_sec_desc(1, SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
+			     owner_sid, grp_sid, NULL, dacl, sec_desc_size);
 }
 
 
 /*******************************************************************
-reads or writes a structure.
+ Reads or writes a SEC_DESC structure.
+ If reading and the *ppsd = NULL, allocates the structure.
 ********************************************************************/
-BOOL sec_io_desc(char *desc, SEC_DESC * t, prs_struct *ps, int depth)
+
+BOOL sec_io_desc(char *desc, SEC_DESC **ppsd, prs_struct *ps, int depth)
 {
-#if 0
-	uint32 off_owner_sid;
-	uint32 off_grp_sid;
-	uint32 off_sacl;
-	uint32 off_dacl;
-#endif
 	uint32 old_offset;
-	uint32 max_offset = 0;	/* after we're done, move offset to end */
+	uint32 max_offset = 0; /* after we're done, move offset to end */
+	SEC_DESC *psd;
 
-	if (t == NULL)
+	if (ppsd == NULL)
 		return False;
 
+	psd = *ppsd;
+
+	if(UNMARSHALLING(ps) && psd == NULL) {
+		if((psd = (SEC_DESC *)malloc(sizeof(SEC_DESC))) == NULL)
+			return False;
+		ZERO_STRUCTP(psd);
+		*ppsd = psd;
+	}
+
 	prs_debug(ps, depth, desc, "sec_io_desc");
 	depth++;
 
-	prs_align(ps);
-
+	if(!prs_align(ps))
+		return False;
+	
 	/* start of security descriptor stored for back-calc offset purposes */
 	old_offset = prs_offset(ps);
-	max_offset = old_offset;
-
-	prs_uint16("revision ", ps, depth, &(t->revision));
-	prs_uint16("type     ", ps, depth, &(t->type));
-
-	prs_uint32("off_owner_sid", ps, depth, &(t->off_owner_sid));
-	prs_uint32("off_grp_sid  ", ps, depth, &(t->off_grp_sid));
-	prs_uint32("off_sacl     ", ps, depth, &(t->off_sacl));
-	prs_uint32("off_dacl     ", ps, depth, &(t->off_dacl));
-#if 0
-	prs_uint32_pre("off_owner_sid", ps, depth, &(t->off_owner_sid),
-		       &off_owner_sid);
-	prs_uint32_pre("off_grp_sid  ", ps, depth, &(t->off_grp_sid),
-		       &off_grp_sid);
-	prs_uint32_pre("off_sacl     ", ps, depth, &(t->off_sacl), &off_sacl);
-	prs_uint32_pre("off_dacl     ", ps, depth, &(t->off_dacl), &off_dacl);
-#endif
+
+	if(!prs_uint16("revision ", ps, depth, &psd->revision))
+		return False;
+
+	if(!prs_uint16("type     ", ps, depth, &psd->type))
+		return False;
+
+	if(!prs_uint32("off_owner_sid", ps, depth, &psd->off_owner_sid))
+		return False;
+
+	if(!prs_uint32("off_grp_sid  ", ps, depth, &psd->off_grp_sid))
+		return False;
+
+	if(!prs_uint32("off_sacl     ", ps, depth, &psd->off_sacl))
+		return False;
+
+	if(!prs_uint32("off_dacl     ", ps, depth, &psd->off_dacl))
+		return False;
+
 	max_offset = MAX(max_offset, prs_offset(ps));
 
-	if (IS_BITS_SET_ALL(t->type, SEC_DESC_DACL_PRESENT))
-	{
-#if 0
-		prs_uint32_post("off_dacl    ", ps, depth, &(t->off_dacl),
-				off_dacl, prs_offset(ps) - old_offset);
-#endif
-		if(!prs_set_offset(ps, old_offset + t->off_dacl))
-			return False;
-		if (ps->io)
-		{
+	if (psd->off_owner_sid != 0) {
+
+		if (UNMARSHALLING(ps)) {
+			if(!prs_set_offset(ps, old_offset + psd->off_owner_sid))
+				return False;
 			/* reading */
-			t->dacl = (SEC_ACL *) malloc(sizeof(*t->dacl));
-			ZERO_STRUCTP(t->dacl);
+			if((psd->owner_sid = malloc(sizeof(*psd->owner_sid))) == NULL)
+				return False;
+			ZERO_STRUCTP(psd->owner_sid);
 		}
 
-		if (t->dacl == NULL)
-		{
-			DEBUG(0, ("INVALID DACL\n"));
-			prs_set_offset(ps, 0xfffffffe);
+		if(!smb_io_dom_sid("owner_sid ", psd->owner_sid , ps, depth))
 			return False;
-		}
-
-		if(!sec_io_acl("dacl", t->dacl, ps, depth))
+		if(!prs_align(ps))
 			return False;
-		prs_align(ps);
-	}
-#if 0
-	else
-	{
-		prs_uint32_post("off_dacl    ", ps, depth, &(t->off_dacl),
-				off_dacl, 0);
 	}
-#endif
 
 	max_offset = MAX(max_offset, prs_offset(ps));
 
-	if (IS_BITS_SET_ALL(t->type, SEC_DESC_SACL_PRESENT))
-	{
-#if 0
-		prs_uint32_post("off_sacl  ", ps, depth, &(t->off_sacl),
-				off_sacl, prs_offset(ps) - old_offset);
-#endif
-		if(!prs_set_offset(ps, old_offset + t->off_sacl))
-			return False;
-		if (ps->io)
-		{
+	if (psd->off_grp_sid != 0) {
+
+		if (UNMARSHALLING(ps)) {
 			/* reading */
-			t->sacl = (SEC_ACL *) malloc(sizeof(*t->sacl));
-			ZERO_STRUCTP(t->sacl);
+			if(!prs_set_offset(ps, old_offset + psd->off_grp_sid))
+				return False;
+			if((psd->grp_sid = malloc(sizeof(*psd->grp_sid))) == NULL)
+				return False;
+			ZERO_STRUCTP(psd->grp_sid);
 		}
 
-		if (t->sacl == NULL)
-		{
-			DEBUG(0, ("INVALID SACL\n"));
-			prs_set_offset(ps, 0xfffffffe);
+		if(!smb_io_dom_sid("grp_sid", psd->grp_sid, ps, depth))
 			return False;
-		}
-
-		if(!sec_io_acl("sacl", t->sacl, ps, depth))
+		if(!prs_align(ps))
 			return False;
-		prs_align(ps);
 	}
-#if 0
-	else
-	{
-		prs_uint32_post("off_sacl  ", ps, depth, &(t->off_sacl),
-				off_sacl, 0);
-	}
-#endif
 
 	max_offset = MAX(max_offset, prs_offset(ps));
 
-#if 0
-	prs_uint32_post("off_owner_sid", ps, depth, &(t->off_owner_sid),
-			off_owner_sid, prs_offset(ps) - old_offset);
-#endif
-	if (t->off_owner_sid != 0)
-	{
-		if (ps->io)
-		{
-			if(!prs_set_offset(ps, old_offset + t->off_owner_sid))
-				return False;
-		}
-		if (ps->io)
-		{
-			/* reading */
-			t->owner_sid =
-				(DOM_SID *)malloc(sizeof(*t->owner_sid));
-			ZERO_STRUCTP(t->owner_sid);
-		}
-
-		if (t->owner_sid == NULL)
-		{
-			DEBUG(0, ("INVALID OWNER SID\n"));
-			prs_set_offset(ps, 0xfffffffe);
+	if (IS_BITS_SET_ALL(psd->type, SEC_DESC_SACL_PRESENT) && psd->off_sacl) {
+		if(!prs_set_offset(ps, old_offset + psd->off_sacl))
+			return False;
+		if(!sec_io_acl("sacl", &psd->sacl, ps, depth))
+			return False;
+		if(!prs_align(ps))
 			return False;
-		}
-
-		smb_io_dom_sid("owner_sid ", t->owner_sid, ps, depth);
-		prs_align(ps);
 	}
 
 	max_offset = MAX(max_offset, prs_offset(ps));
 
-#if 0
-	prs_uint32_post("off_grp_sid  ", ps, depth, &(t->off_grp_sid),
-			off_grp_sid, prs_offset(ps) - old_offset);
-#endif
-	if (t->off_grp_sid != 0)
-	{
-		if (ps->io)
-		{
-			if(!prs_set_offset(ps, old_offset + t->off_grp_sid))
-				return False;
-		}
-		if (ps->io)
-		{
-			/* reading */
-			t->grp_sid = (DOM_SID *)malloc(sizeof(*t->grp_sid));
-			ZERO_STRUCTP(t->grp_sid);
-		}
-
-		if (t->grp_sid == NULL)
-		{
-			DEBUG(0, ("INVALID GROUP SID\n"));
-			prs_set_offset(ps, 0xfffffffe);
+	if (IS_BITS_SET_ALL(psd->type, SEC_DESC_DACL_PRESENT) && psd->off_dacl != 0) {
+		if(!prs_set_offset(ps, old_offset + psd->off_dacl))
+			return False;
+		if(!sec_io_acl("dacl", &psd->dacl, ps, depth))
+			return False;
+		if(!prs_align(ps))
 			return False;
-		}
-
-		smb_io_dom_sid("grp_sid", t->grp_sid, ps, depth);
-		prs_align(ps);
 	}
 
 	max_offset = MAX(max_offset, prs_offset(ps));
 
 	if(!prs_set_offset(ps, max_offset))
 		return False;
-
 	return True;
 }
 
 /*******************************************************************
-creates a SEC_DESC_BUF structure.
+ Creates a SEC_DESC_BUF structure.
 ********************************************************************/
-BOOL make_sec_desc_buf(SEC_DESC_BUF * buf, int len, SEC_DESC * data)
+
+SEC_DESC_BUF *make_sec_desc_buf(size_t len, SEC_DESC *sec_desc)
 {
-	ZERO_STRUCTP(buf);
+	SEC_DESC_BUF *dst;
+
+	if((dst = (SEC_DESC_BUF *)malloc(sizeof(SEC_DESC_BUF))) == NULL)
+		return NULL;
+
+	ZERO_STRUCTP(dst);
 
 	/* max buffer size (allocated size) */
-	buf->max_len = len;
-	buf->undoc = 0;
-	buf->len = data != NULL ? len : 0;
-	buf->sec = data;
+	dst->max_len = (uint32)len;
+	dst->len = (uint32)len;
 
-	return True;
+	if(sec_desc && ((dst->sec = dup_sec_desc(sec_desc)) == NULL)) {
+		free_sec_desc_buf(&dst);
+		return NULL;
+	}
+
+	return dst;
 }
 
 /*******************************************************************
-frees a SEC_DESC_BUF structure.
+ Duplicates a SEC_DESC_BUF structure.
 ********************************************************************/
-void free_sec_desc_buf(SEC_DESC_BUF * buf)
+
+SEC_DESC_BUF *dup_sec_desc_buf(SEC_DESC_BUF *src)
 {
-	if (buf == NULL)
+	if(src == NULL)
+		return NULL;
+
+	return make_sec_desc_buf( src->len, src->sec);
+}
+
+/*******************************************************************
+ Deletes a SEC_DESC_BUF structure.
+********************************************************************/
+
+void free_sec_desc_buf(SEC_DESC_BUF **ppsdb)
+{
+	SEC_DESC_BUF *psdb;
+
+	if(ppsdb == NULL || *ppsdb == NULL)
 		return;
-	if (buf->sec != NULL)
-	{
-		free_sec_desc(buf->sec);
-		free(buf->sec);
-		buf->sec = NULL;
-	}
+
+	psdb = *ppsdb;
+	free_sec_desc(&psdb->sec);
+	free(psdb);
+	*ppsdb = NULL;
 }
 
 
 /*******************************************************************
-reads or writes a SEC_DESC_BUF structure.
+ Reads or writes a SEC_DESC_BUF structure.
 ********************************************************************/
-BOOL sec_io_desc_buf(char *desc, SEC_DESC_BUF * sec, prs_struct *ps,
-		     int depth)
+
+BOOL sec_io_desc_buf(char *desc, SEC_DESC_BUF **ppsdb, prs_struct *ps, int depth)
 {
 	uint32 off_len;
 	uint32 off_max_len;
 	uint32 old_offset;
 	uint32 size;
+	SEC_DESC_BUF *psdb;
 
-	if (sec == NULL)
+	if (ppsdb == NULL)
 		return False;
 
+	psdb = *ppsdb;
+
+	if (UNMARSHALLING(ps) && psdb == NULL) {
+		if((psdb = (SEC_DESC_BUF *)malloc(sizeof(SEC_DESC_BUF))) == NULL)
+			return False;
+		ZERO_STRUCTP(psdb);
+		*ppsdb = psdb;
+	}
+
 	prs_debug(ps, depth, desc, "sec_io_desc_buf");
 	depth++;
 
-	prs_align(ps);
-
-	prs_uint32_pre("max_len", ps, depth, &(sec->max_len), &off_max_len);
-	prs_uint32("undoc  ", ps, depth, &(sec->undoc));
-	prs_uint32_pre("len    ", ps, depth, &(sec->len), &off_len);
+	if(!prs_align(ps))
+		return False;
+	
+	if(!prs_uint32_pre("max_len", ps, depth, &psdb->max_len, &off_max_len))
+		return False;
 
-	old_offset = prs_offset(ps);
+	if(!prs_uint32    ("undoc  ", ps, depth, &psdb->undoc))
+		return False;
 
-	if (sec->len != 0 && ps->io)
-	{
-		/* reading */
-		sec->sec = (SEC_DESC *) malloc(sizeof(*sec->sec));
-		ZERO_STRUCTP(sec->sec);
+	if(!prs_uint32_pre("len    ", ps, depth, &psdb->len, &off_len))
+		return False;
 
-		if (sec->sec == NULL)
-		{
-			DEBUG(0, ("INVALID SEC_DESC\n"));
-			prs_set_offset(ps, 0xfffffffe);
-			return False;
-		}
-	}
+	old_offset = prs_offset(ps);
 
 	/* reading, length is non-zero; writing, descriptor is non-NULL */
-	if ((sec->len != 0 || (!ps->io)) && sec->sec != NULL)
-	{
-		sec_io_desc("sec   ", sec->sec, ps, depth);
+	if ((psdb->len != 0 || MARSHALLING(ps)) && psdb->sec != NULL) {
+		if(!sec_io_desc("sec   ", &psdb->sec, ps, depth))
+			return False;
 	}
 
-	prs_align(ps);
-
-	size = prs_offset(ps) - old_offset - 8;
-	prs_uint32_post("max_len", ps, depth, &(sec->max_len), off_max_len,
-			size == 0 ? sec->max_len : size + 8);
-	prs_uint32_post("len    ", ps, depth, &(sec->len), off_len,
-			size == 0 ? 0 : size + 8);
+	if(!prs_align(ps))
+		return False;
+	
+	size = prs_offset(ps) - old_offset;
+	if(!prs_uint32_post("max_len", ps, depth, &psdb->max_len, off_max_len, size == 0 ? psdb->max_len : size))
+		return False;
 
-	if(!prs_set_offset(ps, old_offset + size + 8))
+	if(!prs_uint32_post("len    ", ps, depth, &psdb->len, off_len, size))
 		return False;
 
 	return True;
diff --git a/source3/rpc_parse/parse_spoolss.c b/source3/rpc_parse/parse_spoolss.c
index 2c562219ba..db86695365 100644
--- a/source3/rpc_parse/parse_spoolss.c
+++ b/source3/rpc_parse/parse_spoolss.c
@@ -1541,10 +1541,7 @@ static BOOL new_smb_io_relsecdesc(char *desc, NEW_BUFFER *buffer, int depth,
 		prs_set_offset(ps, buffer->string_at_end + buffer->struct_start);
 
 		/* read the sd */
-		*secdesc = g_new(SEC_DESC, 1);
-		if (*secdesc == NULL)
-			return False;
-		if (!sec_io_desc(desc, *secdesc, ps, depth))
+		if (!sec_io_desc(desc, secdesc, ps, depth))
 			return False;
 
 		prs_set_offset(ps, old_offset);
@@ -4747,8 +4744,7 @@ BOOL spoolss_io_q_getjob(char *desc, SPOOL_Q_GETJOB *q_u, prs_struct *ps, int de
 
 void free_devmode(DEVICEMODE *devmode)
 {
-	if (devmode!=NULL)
-	{
+	if (devmode!=NULL) {
 		if (devmode->private!=NULL)
 			free(devmode->private);
 		free(devmode);
@@ -4757,25 +4753,20 @@ void free_devmode(DEVICEMODE *devmode)
 
 void free_printer_info_3(PRINTER_INFO_3 *printer)
 {
-	if (printer!=NULL)
-	{
-		free_sec_desc(&printer->sec);
+	if (printer!=NULL) {
+		if (printer->sec != NULL)
+			free_sec_desc(&printer->sec);
 		free(printer);
 	}
 }
 
 void free_printer_info_2(PRINTER_INFO_2 *printer)
 {
-	if (printer!=NULL)
-	{
+	if (printer!=NULL) {
 		free_devmode(printer->devmode);
 		printer->devmode = NULL;
 		if (printer->secdesc != NULL)
-		{
-			free_sec_desc(printer->secdesc);
-			free(printer->secdesc);
-			printer->secdesc = NULL;
-		}
+			free_sec_desc(&printer->secdesc);
 		free(printer);
 	}
 }
@@ -4783,16 +4774,11 @@ void free_printer_info_2(PRINTER_INFO_2 *printer)
 static PRINTER_INFO_2 *prt2_dup(const PRINTER_INFO_2* from)
 {
 	PRINTER_INFO_2 *copy = (PRINTER_INFO_2 *)malloc(sizeof(PRINTER_INFO_2));
-	if (copy != NULL)
-	{
+	if (copy != NULL) {
 		if (from != NULL)
-		{
 			memcpy(copy, from, sizeof(*copy));
-		}
 		else
-		{
 			ZERO_STRUCTP(copy);
-		}
 	}
 	return copy;
 }
diff --git a/source3/rpc_server/srv_samr.c b/source3/rpc_server/srv_samr.c
index 9ad1d34561..49db7a9e48 100644
--- a/source3/rpc_server/srv_samr.c
+++ b/source3/rpc_server/srv_samr.c
@@ -277,6 +277,7 @@ static BOOL get_passwd_entries(SAM_USER_INFO_21 *pw_buf,
 			if ((pwd = getpwent()) == NULL) break;
 			user_name_len = strlen(pwd->pw_name);
 			pw_rid = pdb_uid_to_user_rid(pwd->pw_uid);
+			ZERO_STRUCTP(&pw_buf[(*num_entries)]);
 			init_unistr2(&(pw_buf[(*num_entries)].uni_user_name), pwd->pw_name, user_name_len);
 			init_uni_hdr(&(pw_buf[(*num_entries)].hdr_user_name), user_name_len);
 			pw_buf[(*num_entries)].user_rid = pw_rid;
@@ -296,6 +297,7 @@ static BOOL get_passwd_entries(SAM_USER_INFO_21 *pw_buf,
 		while (((unmap_name = unmap_unixname(pwd->pw_name, mapped_idx)) != NULL) && 
 		        (*num_entries < max_num_entries)) {
 			user_name_len = strlen(unmap_name);
+			ZERO_STRUCTP(&pw_buf[(*num_entries)]);
 			init_unistr2(&(pw_buf[(*num_entries)].uni_user_name), unmap_name, user_name_len);
 			init_uni_hdr(&(pw_buf[(*num_entries)].hdr_user_name), user_name_len);
 			pw_buf[(*num_entries)].user_rid = pw_rid;
@@ -661,6 +663,7 @@ static BOOL samr_reply_enum_dom_groups(SAMR_Q_ENUM_DOM_GROUPS *q_u,
 
 	got_grps = True;
 	num_entries = 1;
+	ZERO_STRUCTP(&pass[0]);
 	init_unistr2(&(pass[0].uni_user_name), dummy_group, strlen(dummy_group));
 	pass[0].user_rid = DOMAIN_GROUP_RID_ADMINS;
 
@@ -788,8 +791,7 @@ static BOOL api_samr_enum_dom_aliases(prs_struct *data, prs_struct *rdata)
 /*******************************************************************
  samr_reply_query_dispinfo
  ********************************************************************/
-static BOOL samr_reply_query_dispinfo(SAMR_Q_QUERY_DISPINFO *q_u,
-				prs_struct *rdata)
+static BOOL samr_reply_query_dispinfo(SAMR_Q_QUERY_DISPINFO *q_u, prs_struct *rdata)
 {
 	SAMR_R_QUERY_DISPINFO r_e;
 	SAM_INFO_CTR ctr;
diff --git a/source3/smbd/conn.c b/source3/smbd/conn.c
index ebd18861fc..0e74b62ee0 100644
--- a/source3/smbd/conn.c
+++ b/source3/smbd/conn.c
@@ -168,11 +168,14 @@ void conn_free(connection_struct *conn)
 {
 	/* Free vfs_connection_struct */
 	    
+#ifdef HAVE_LIBDL
 	if (conn->vfs_conn != NULL) {
 		/* Close dlopen() handle */
 		if (conn->vfs_conn->dl_handle) {
 			dlclose(conn->vfs_conn->dl_handle);
 		}
+#endif /* HAVE_LIBDL */
+
 		if (conn->vfs_conn->groups != NULL) {
 			free(conn->vfs_conn->groups);
 		}