r5805: merging spoolss parsing changes from trunk and cleaning up resulting segvs

5 files changed, 627 insertions, 488 deletions

diff --git a/source/rpc_parse/parse_buffer.c b/source/rpc_parse/parse_buffer.c
new file mode 100644
index 00000000000..d3584c3954a
--- /dev/null
+++ b/source/rpc_parse/parse_buffer.c
@@ -0,0 +1,512 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  RPC Pipe client / server routines
+ * 
+ *  Copyright (C) Andrew Tridgell              1992-2000,
+ *  Copyright (C) Luke Kenneth Casson Leighton 1996-2000,
+ *  Copyright (C) Jean François Micouleau      1998-2000,
+ *  Copyright (C) Gerald Carter                2000-2005,
+ *  Copyright (C) Tim Potter		       2001-2002.
+ *
+ *  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"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_PARSE
+
+/**********************************************************************
+ Initialize a new spoolss buff for use by a client rpc
+**********************************************************************/
+void rpcbuf_init(RPC_BUFFER *buffer, uint32 size, TALLOC_CTX *ctx)
+{
+#if 0
+	buffer->ptr = (size != 0);
+#endif
+	buffer->size = size;
+	buffer->string_at_end = size;
+	prs_init(&buffer->prs, size, ctx, MARSHALL);
+	buffer->struct_start = prs_offset(&buffer->prs);
+}
+
+/*******************************************************************
+ Read/write a RPC_BUFFER struct.
+********************************************************************/  
+
+BOOL prs_rpcbuffer(const char *desc, prs_struct *ps, int depth, RPC_BUFFER *buffer)
+{
+	prs_debug(ps, depth, desc, "prs_rpcbuffer");
+	depth++;
+		
+	/* reading */
+	if (UNMARSHALLING(ps)) {
+		buffer->size=0;
+		buffer->string_at_end=0;
+		
+#if 0 
+		if (buffer->ptr==0) {
+			/*
+			 * JRA. I'm not sure if the data in here is in big-endian format if
+			 * the client is big-endian. Leave as default (little endian) for now.
+			 */
+
+			if (!prs_init(&buffer->prs, 0, prs_get_mem_context(ps), UNMARSHALL))
+				return False;
+			return True;
+		}
+#endif
+		
+		if (!prs_uint32("size", ps, depth, &buffer->size))
+			return False;
+					
+		/*
+		 * JRA. I'm not sure if the data in here is in big-endian format if
+		 * the client is big-endian. Leave as default (little endian) for now.
+		 */
+
+		if (!prs_init(&buffer->prs, buffer->size, prs_get_mem_context(ps), UNMARSHALL))
+			return False;
+
+		if (!prs_append_some_prs_data(&buffer->prs, ps, prs_offset(ps), buffer->size))
+			return False;
+
+		if (!prs_set_offset(&buffer->prs, 0))
+			return False;
+
+		if (!prs_set_offset(ps, buffer->size+prs_offset(ps)))
+			return False;
+
+		buffer->string_at_end=buffer->size;
+		
+		return True;
+	}
+	else {
+		BOOL ret = False;
+
+#if 0
+		/* writing */
+		if (buffer->ptr==0) {
+			/* We have finished with the data in buffer->prs - free it. */
+			prs_mem_free(&buffer->prs);
+			return True;
+		}
+#endif
+	
+		if (!prs_uint32("size", ps, depth, &buffer->size))
+			goto out;
+
+		if (!prs_append_some_prs_data(ps, &buffer->prs, 0, buffer->size))
+			goto out;
+
+		ret = True;
+	out:
+
+		/* We have finished with the data in buffer->prs - free it. */
+		prs_mem_free(&buffer->prs);
+
+		return ret;
+	}
+}
+
+/*******************************************************************
+ Read/write an RPC_BUFFER* struct.(allocate memory if unmarshalling)
+********************************************************************/  
+
+BOOL prs_rpcbuffer_p(const char *desc, prs_struct *ps, int depth, RPC_BUFFER **buffer)
+{
+	uint32 data_p;
+
+	/* caputure the pointer value to stream */
+
+	data_p = (uint32) *buffer;
+
+	if ( !prs_uint32("ptr", ps, depth, &data_p ))
+		return False;
+
+	/* we're done if there is no data */
+
+	if ( !data_p )
+		return True;
+		
+	if ( UNMARSHALLING(ps) ) {
+		if ( !(*buffer = PRS_ALLOC_MEM(ps, RPC_BUFFER, 1)) )
+			return False;
+	}
+
+	return prs_rpcbuffer( desc, ps, depth, *buffer);
+}
+
+/****************************************************************************
+ Allocate more memory for a RPC_BUFFER.
+****************************************************************************/
+
+BOOL rpcbuf_alloc_size(RPC_BUFFER *buffer, uint32 buffer_size)
+{
+	prs_struct *ps;
+	uint32 extra_space;
+	uint32 old_offset;
+	
+	ps= &buffer->prs;
+
+	/* damn, I'm doing the reverse operation of prs_grow() :) */
+	if (buffer_size < prs_data_size(ps))
+		extra_space=0;
+	else	
+		extra_space = buffer_size - prs_data_size(ps);
+
+	/*
+	 * save the offset and move to the end of the buffer
+	 * prs_grow() checks the extra_space against the offset
+	 */
+	old_offset=prs_offset(ps);	
+	prs_set_offset(ps, prs_data_size(ps));
+	
+	if (!prs_grow(ps, extra_space))
+		return False;
+
+	prs_set_offset(ps, old_offset);
+
+	buffer->string_at_end=prs_data_size(ps);
+
+	return True;
+}
+
+/*******************************************************************
+ move a BUFFER from the query to the reply.
+ As the data pointers in RPC_BUFFER are malloc'ed, not talloc'ed,
+ this is ok. This is an OPTIMIZATION and is not strictly neccessary.
+ Clears the memory to zero also.
+********************************************************************/  
+
+void rpcbuf_move(RPC_BUFFER *src, RPC_BUFFER **dest)
+{
+	if ( !src )
+		return;
+
+	prs_switch_type(&src->prs, MARSHALL);
+	if(!prs_set_offset(&src->prs, 0))
+		return;
+	prs_force_dynamic(&src->prs);
+	prs_mem_clear(&src->prs);
+	*dest=src;
+}
+
+/*******************************************************************
+ Get the size of a BUFFER struct.
+********************************************************************/  
+
+uint32 rpcbuf_get_size(RPC_BUFFER *buffer)
+{
+	return (buffer->size);
+}
+
+
+/*******************************************************************
+ * write a UNICODE string and its relative pointer.
+ * used by all the RPC structs passing a buffer
+ *
+ * As I'm a nice guy, I'm forcing myself to explain this code.
+ * MS did a good job in the overall spoolss code except in some
+ * functions where they are passing the API buffer directly in the
+ * RPC request/reply. That's to maintain compatiility at the API level.
+ * They could have done it the good way the first time.
+ *
+ * So what happen is: the strings are written at the buffer's end, 
+ * in the reverse order of the original structure. Some pointers to
+ * the strings are also in the buffer. Those are relative to the
+ * buffer's start.
+ *
+ * If you don't understand or want to change that function,
+ * first get in touch with me: jfm@samba.org
+ *
+ ********************************************************************/
+
+BOOL smb_io_relstr(const char *desc, RPC_BUFFER *buffer, int depth, UNISTR *string)
+{
+	prs_struct *ps=&buffer->prs;
+	
+	if (MARSHALLING(ps)) {
+		uint32 struct_offset = prs_offset(ps);
+		uint32 relative_offset;
+		
+		buffer->string_at_end -= (size_of_relative_string(string) - 4);
+		if(!prs_set_offset(ps, buffer->string_at_end))
+			return False;
+#if 0	/* JERRY */
+		/*
+		 * Win2k does not align strings in a buffer
+		 * Tested against WinNT 4.0 SP 6a & 2k SP2  --jerry
+		 */
+		if (!prs_align(ps))
+			return False;
+#endif
+		buffer->string_at_end = prs_offset(ps);
+		
+		/* write the string */
+		if (!smb_io_unistr(desc, string, ps, depth))
+			return False;
+
+		if(!prs_set_offset(ps, struct_offset))
+			return False;
+		
+		relative_offset=buffer->string_at_end - buffer->struct_start;
+		/* write its offset */
+		if (!prs_uint32("offset", ps, depth, &relative_offset))
+			return False;
+	}
+	else {
+		uint32 old_offset;
+		
+		/* read the offset */
+		if (!prs_uint32("offset", ps, depth, &(buffer->string_at_end)))
+			return False;
+
+		if (buffer->string_at_end == 0)
+			return True;
+
+		old_offset = prs_offset(ps);
+		if(!prs_set_offset(ps, buffer->string_at_end+buffer->struct_start))
+			return False;
+
+		/* read the string */
+		if (!smb_io_unistr(desc, string, ps, depth))
+			return False;
+
+		if(!prs_set_offset(ps, old_offset))
+			return False;
+	}
+	return True;
+}
+
+/*******************************************************************
+ * write a array of UNICODE strings and its relative pointer.
+ * used by 2 RPC structs
+ ********************************************************************/
+
+BOOL smb_io_relarraystr(const char *desc, RPC_BUFFER *buffer, int depth, uint16 **string)
+{
+	UNISTR chaine;
+	
+	prs_struct *ps=&buffer->prs;
+	
+	if (MARSHALLING(ps)) {
+		uint32 struct_offset = prs_offset(ps);
+		uint32 relative_offset;
+		uint16 *p;
+		uint16 *q;
+		uint16 zero=0;
+		p=*string;
+		q=*string;
+
+		/* first write the last 0 */
+		buffer->string_at_end -= 2;
+		if(!prs_set_offset(ps, buffer->string_at_end))
+			return False;
+
+		if(!prs_uint16("leading zero", ps, depth, &zero))
+			return False;
+
+		while (p && (*p!=0)) {	
+			while (*q!=0)
+				q++;
+
+			/* Yes this should be malloc not talloc. Don't change. */
+
+			chaine.buffer = SMB_MALLOC((q-p+1)*sizeof(uint16));
+			if (chaine.buffer == NULL)
+				return False;
+
+			memcpy(chaine.buffer, p, (q-p+1)*sizeof(uint16));
+
+			buffer->string_at_end -= (q-p+1)*sizeof(uint16);
+
+			if(!prs_set_offset(ps, buffer->string_at_end)) {
+				SAFE_FREE(chaine.buffer);
+				return False;
+			}
+
+			/* write the string */
+			if (!smb_io_unistr(desc, &chaine, ps, depth)) {
+				SAFE_FREE(chaine.buffer);
+				return False;
+			}
+			q++;
+			p=q;
+
+			SAFE_FREE(chaine.buffer);
+		}
+		
+		if(!prs_set_offset(ps, struct_offset))
+			return False;
+		
+		relative_offset=buffer->string_at_end - buffer->struct_start;
+		/* write its offset */
+		if (!prs_uint32("offset", ps, depth, &relative_offset))
+			return False;
+
+	} else {
+
+		/* UNMARSHALLING */
+
+		uint32 old_offset;
+		uint16 *chaine2=NULL;
+		int l_chaine=0;
+		int l_chaine2=0;
+		size_t realloc_size = 0;
+
+		*string=NULL;
+				
+		/* read the offset */
+		if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
+			return False;
+
+		old_offset = prs_offset(ps);
+		if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
+			return False;
+	
+		do {
+			if (!smb_io_unistr(desc, &chaine, ps, depth))
+				return False;
+			
+			l_chaine=str_len_uni(&chaine);
+			
+			/* we're going to add two more bytes here in case this
+			   is the last string in the array and we need to add 
+			   an extra NULL for termination */
+			if (l_chaine > 0)
+			{
+				uint16 *tc2;
+			
+				realloc_size = (l_chaine2+l_chaine+2)*sizeof(uint16);
+
+				/* Yes this should be realloc - it's freed below. JRA */
+
+				if((tc2=(uint16 *)SMB_REALLOC(chaine2, realloc_size)) == NULL) {
+					SAFE_FREE(chaine2);
+					return False;
+				}
+				else chaine2 = tc2;
+				memcpy(chaine2+l_chaine2, chaine.buffer, (l_chaine+1)*sizeof(uint16));
+				l_chaine2+=l_chaine+1;
+			}
+		
+		} while(l_chaine!=0);
+		
+		/* the end should be bould NULL terminated so add 
+		   the second one here */
+		if (chaine2)
+		{
+			chaine2[l_chaine2] = '\0';
+			*string=(uint16 *)TALLOC_MEMDUP(prs_get_mem_context(ps),chaine2,realloc_size);
+			SAFE_FREE(chaine2);
+		}
+
+		if(!prs_set_offset(ps, old_offset))
+			return False;
+	}
+	return True;
+}
+
+/*******************************************************************
+ Parse a DEVMODE structure and its relative pointer.
+********************************************************************/
+
+BOOL smb_io_relsecdesc(const char *desc, RPC_BUFFER *buffer, int depth, SEC_DESC **secdesc)
+{
+	prs_struct *ps= &buffer->prs;
+
+	prs_debug(ps, depth, desc, "smb_io_relsecdesc");
+	depth++;
+
+	if (MARSHALLING(ps)) {
+		uint32 struct_offset = prs_offset(ps);
+		uint32 relative_offset;
+
+		if (! *secdesc) {
+			relative_offset = 0;
+			if (!prs_uint32("offset", ps, depth, &relative_offset))
+				return False;
+			return True;
+		}
+		
+		if (*secdesc != NULL) {
+			buffer->string_at_end -= sec_desc_size(*secdesc);
+
+			if(!prs_set_offset(ps, buffer->string_at_end))
+				return False;
+			/* write the secdesc */
+			if (!sec_io_desc(desc, secdesc, ps, depth))
+				return False;
+
+			if(!prs_set_offset(ps, struct_offset))
+				return False;
+		}
+
+		relative_offset=buffer->string_at_end - buffer->struct_start;
+		/* write its offset */
+
+		if (!prs_uint32("offset", ps, depth, &relative_offset))
+			return False;
+	} else {
+		uint32 old_offset;
+		
+		/* read the offset */
+		if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
+			return False;
+
+		old_offset = prs_offset(ps);
+		if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
+			return False;
+
+		/* read the sd */
+		if (!sec_io_desc(desc, secdesc, ps, depth))
+			return False;
+
+		if(!prs_set_offset(ps, old_offset))
+			return False;
+	}
+	return True;
+}
+
+
+
+/*******************************************************************
+ * return the length of a UNICODE string in number of char, includes:
+ * - the leading zero
+ * - the relative pointer size
+ ********************************************************************/
+
+uint32 size_of_relative_string(UNISTR *string)
+{
+	uint32 size=0;
+	
+	size=str_len_uni(string);	/* the string length       */
+	size=size+1;			/* add the trailing zero   */
+	size=size*2;			/* convert in char         */
+	size=size+4;			/* add the size of the ptr */	
+
+#if 0	/* JERRY */
+	/* 
+	 * Do not include alignment as Win2k does not align relative
+	 * strings within a buffer   --jerry 
+	 */
+	/* Ensure size is 4 byte multiple (prs_align is being called...). */
+	/* size += ((4 - (size & 3)) & 3); */
+#endif 
+
+	return size;
+}
+
diff --git a/source/rpc_parse/parse_misc.c b/source/rpc_parse/parse_misc.c
index bca40a64c82..dec20769b6d 100644
--- a/source/rpc_parse/parse_misc.c
+++ b/source/rpc_parse/parse_misc.c
@@ -1797,3 +1797,22 @@ BOOL make_bufhdr2(BUFHDR2 *hdr, uint32 info_level, uint32 length, uint32 buffer)
 
 	return True;
 }
+
+/*******************************************************************
+return the length of a UNISTR string.
+********************************************************************/  
+
+uint32 str_len_uni(UNISTR *source)
+{
+ 	uint32 i=0;
+
+	if (!source->buffer)
+		return 0;
+
+	while (source->buffer[i])
+		i++;
+
+	return i;
+}
+
+
diff --git a/source/rpc_parse/parse_prs.c b/source/rpc_parse/parse_prs.c
index 4b78d373bab..566efae7a9e 100644
--- a/source/rpc_parse/parse_prs.c
+++ b/source/rpc_parse/parse_prs.c
@@ -647,6 +647,34 @@ BOOL prs_uint32(const char *name, prs_struct *ps, int depth, uint32 *data32)
 }
 
 /*******************************************************************
+ Stream a uint32* (allocate memory if unmarshalling)
+ ********************************************************************/
+
+BOOL prs_uint32_p(const char *name, prs_struct *ps, int depth, uint32 **data32)
+{
+	uint32 data_p;
+
+	/* caputure the pointer value to stream */
+
+	data_p = (uint32) *data32;
+
+	if ( !prs_uint32("ptr", ps, depth, &data_p ))
+		return False;
+
+	/* we're done if there is no data */
+
+	if ( !data_p )
+		return True;
+
+	if (UNMARSHALLING(ps)) {
+		if ( !(*data32 = PRS_ALLOC_MEM(ps, uint32, 1)) )
+			return False;
+	}
+
+	return prs_uint32(name, ps, depth, *data32);
+}
+
+/*******************************************************************
  Stream a NTSTATUS
  ********************************************************************/
 
diff --git a/source/rpc_parse/parse_sec.c b/source/rpc_parse/parse_sec.c
index f6fdf102928..6a752688a0b 100644
--- a/source/rpc_parse/parse_sec.c
+++ b/source/rpc_parse/parse_sec.c
@@ -133,7 +133,7 @@ BOOL sec_io_acl(const char *desc, SEC_ACL **ppsa, prs_struct *ps, int depth)
 	 * Note that the size is always a multiple of 4 bytes due to the
 	 * nature of the data structure.  Therefore the prs_align() calls
 	 * have been removed as they through us off when doing two-layer
-	 * marshalling such as in the printing code (NEW_BUFFER).  --jerry
+	 * marshalling such as in the printing code (RPC_BUFFER).  --jerry
 	 */
 
 	if (ppsa == NULL)
diff --git a/source/rpc_parse/parse_spoolss.c b/source/rpc_parse/parse_spoolss.c
index 2e5244d6532..02790749464 100644
--- a/source/rpc_parse/parse_spoolss.c
+++ b/source/rpc_parse/parse_spoolss.c
@@ -27,22 +27,6 @@
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_RPC_PARSE
 
-/*******************************************************************
-return the length of a UNISTR string.
-********************************************************************/  
-
-static uint32 str_len_uni(UNISTR *source)
-{
- 	uint32 i=0;
-
-	if (!source->buffer)
-		return 0;
-
-	while (source->buffer[i])
-		i++;
-
-	return i;
-}
 
 /*******************************************************************
 This should be moved in a more generic lib.
@@ -2068,33 +2052,6 @@ static uint32 size_of_nttime(NTTIME *value)
 }
 
 /*******************************************************************
- * return the length of a UNICODE string in number of char, includes:
- * - the leading zero
- * - the relative pointer size
- ********************************************************************/
-
-static uint32 size_of_relative_string(UNISTR *string)
-{
-	uint32 size=0;
-	
-	size=str_len_uni(string);	/* the string length       */
-	size=size+1;			/* add the trailing zero   */
-	size=size*2;			/* convert in char         */
-	size=size+4;			/* add the size of the ptr */	
-
-#if 0	/* JERRY */
-	/* 
-	 * Do not include alignment as Win2k does not align relative
-	 * strings within a buffer   --jerry 
-	 */
-	/* Ensure size is 4 byte multiple (prs_align is being called...). */
-	/* size += ((4 - (size & 3)) & 3); */
-#endif 
-
-	return size;
-}
-
-/*******************************************************************
  * return the length of a uint32 (obvious, but the code is clean)
  ********************************************************************/
 
@@ -2119,277 +2076,10 @@ static uint32 size_of_systemtime(SYSTEMTIME *systime)
 }
 
 /*******************************************************************
- * write a UNICODE string and its relative pointer.
- * used by all the RPC structs passing a buffer
- *
- * As I'm a nice guy, I'm forcing myself to explain this code.
- * MS did a good job in the overall spoolss code except in some
- * functions where they are passing the API buffer directly in the
- * RPC request/reply. That's to maintain compatiility at the API level.
- * They could have done it the good way the first time.
- *
- * So what happen is: the strings are written at the buffer's end, 
- * in the reverse order of the original structure. Some pointers to
- * the strings are also in the buffer. Those are relative to the
- * buffer's start.
- *
- * If you don't understand or want to change that function,
- * first get in touch with me: jfm@samba.org
- *
- ********************************************************************/
-
-static BOOL smb_io_relstr(const char *desc, NEW_BUFFER *buffer, int depth, UNISTR *string)
-{
-	prs_struct *ps=&buffer->prs;
-	
-	if (MARSHALLING(ps)) {
-		uint32 struct_offset = prs_offset(ps);
-		uint32 relative_offset;
-		
-		buffer->string_at_end -= (size_of_relative_string(string) - 4);
-		if(!prs_set_offset(ps, buffer->string_at_end))
-			return False;
-#if 0	/* JERRY */
-		/*
-		 * Win2k does not align strings in a buffer
-		 * Tested against WinNT 4.0 SP 6a & 2k SP2  --jerry
-		 */
-		if (!prs_align(ps))
-			return False;
-#endif
-		buffer->string_at_end = prs_offset(ps);
-		
-		/* write the string */
-		if (!smb_io_unistr(desc, string, ps, depth))
-			return False;
-
-		if(!prs_set_offset(ps, struct_offset))
-			return False;
-		
-		relative_offset=buffer->string_at_end - buffer->struct_start;
-		/* write its offset */
-		if (!prs_uint32("offset", ps, depth, &relative_offset))
-			return False;
-	}
-	else {
-		uint32 old_offset;
-		
-		/* read the offset */
-		if (!prs_uint32("offset", ps, depth, &(buffer->string_at_end)))
-			return False;
-
-		if (buffer->string_at_end == 0)
-			return True;
-
-		old_offset = prs_offset(ps);
-		if(!prs_set_offset(ps, buffer->string_at_end+buffer->struct_start))
-			return False;
-
-		/* read the string */
-		if (!smb_io_unistr(desc, string, ps, depth))
-			return False;
-
-		if(!prs_set_offset(ps, old_offset))
-			return False;
-	}
-	return True;
-}
-
-/*******************************************************************
- * write a array of UNICODE strings and its relative pointer.
- * used by 2 RPC structs
- ********************************************************************/
-
-static BOOL smb_io_relarraystr(const char *desc, NEW_BUFFER *buffer, int depth, uint16 **string)
-{
-	UNISTR chaine;
-	
-	prs_struct *ps=&buffer->prs;
-	
-	if (MARSHALLING(ps)) {
-		uint32 struct_offset = prs_offset(ps);
-		uint32 relative_offset;
-		uint16 *p;
-		uint16 *q;
-		uint16 zero=0;
-		p=*string;
-		q=*string;
-
-		/* first write the last 0 */
-		buffer->string_at_end -= 2;
-		if(!prs_set_offset(ps, buffer->string_at_end))
-			return False;
-
-		if(!prs_uint16("leading zero", ps, depth, &zero))
-			return False;
-
-		while (p && (*p!=0)) {	
-			while (*q!=0)
-				q++;
-
-			/* Yes this should be malloc not talloc. Don't change. */
-
-			chaine.buffer = SMB_MALLOC((q-p+1)*sizeof(uint16));
-			if (chaine.buffer == NULL)
-				return False;
-
-			memcpy(chaine.buffer, p, (q-p+1)*sizeof(uint16));
-
-			buffer->string_at_end -= (q-p+1)*sizeof(uint16);
-
-			if(!prs_set_offset(ps, buffer->string_at_end)) {
-				SAFE_FREE(chaine.buffer);
-				return False;
-			}
-
-			/* write the string */
-			if (!smb_io_unistr(desc, &chaine, ps, depth)) {
-				SAFE_FREE(chaine.buffer);
-				return False;
-			}
-			q++;
-			p=q;
-
-			SAFE_FREE(chaine.buffer);
-		}
-		
-		if(!prs_set_offset(ps, struct_offset))
-			return False;
-		
-		relative_offset=buffer->string_at_end - buffer->struct_start;
-		/* write its offset */
-		if (!prs_uint32("offset", ps, depth, &relative_offset))
-			return False;
-
-	} else {
-
-		/* UNMARSHALLING */
-
-		uint32 old_offset;
-		uint16 *chaine2=NULL;
-		int l_chaine=0;
-		int l_chaine2=0;
-		size_t realloc_size = 0;
-
-		*string=NULL;
-				
-		/* read the offset */
-		if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
-			return False;
-
-		old_offset = prs_offset(ps);
-		if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
-			return False;
-	
-		do {
-			if (!smb_io_unistr(desc, &chaine, ps, depth))
-				return False;
-			
-			l_chaine=str_len_uni(&chaine);
-			
-			/* we're going to add two more bytes here in case this
-			   is the last string in the array and we need to add 
-			   an extra NULL for termination */
-			if (l_chaine > 0)
-			{
-				uint16 *tc2;
-			
-				realloc_size = (l_chaine2+l_chaine+2)*sizeof(uint16);
-
-				/* Yes this should be realloc - it's freed below. JRA */
-
-				if((tc2=(uint16 *)SMB_REALLOC(chaine2, realloc_size)) == NULL) {
-					SAFE_FREE(chaine2);
-					return False;
-				}
-				else chaine2 = tc2;
-				memcpy(chaine2+l_chaine2, chaine.buffer, (l_chaine+1)*sizeof(uint16));
-				l_chaine2+=l_chaine+1;
-			}
-		
-		} while(l_chaine!=0);
-		
-		/* the end should be bould NULL terminated so add 
-		   the second one here */
-		if (chaine2)
-		{
-			chaine2[l_chaine2] = '\0';
-			*string=(uint16 *)TALLOC_MEMDUP(prs_get_mem_context(ps),chaine2,realloc_size);
-			SAFE_FREE(chaine2);
-		}
-
-		if(!prs_set_offset(ps, old_offset))
-			return False;
-	}
-	return True;
-}
-
-/*******************************************************************
- Parse a DEVMODE structure and its relative pointer.
-********************************************************************/
-
-static BOOL smb_io_relsecdesc(const char *desc, NEW_BUFFER *buffer, int depth, SEC_DESC **secdesc)
-{
-	prs_struct *ps= &buffer->prs;
-
-	prs_debug(ps, depth, desc, "smb_io_relsecdesc");
-	depth++;
-
-	if (MARSHALLING(ps)) {
-		uint32 struct_offset = prs_offset(ps);
-		uint32 relative_offset;
-
-		if (! *secdesc) {
-			relative_offset = 0;
-			if (!prs_uint32("offset", ps, depth, &relative_offset))
-				return False;
-			return True;
-		}
-		
-		if (*secdesc != NULL) {
-			buffer->string_at_end -= sec_desc_size(*secdesc);
-
-			if(!prs_set_offset(ps, buffer->string_at_end))
-				return False;
-			/* write the secdesc */
-			if (!sec_io_desc(desc, secdesc, ps, depth))
-				return False;
-
-			if(!prs_set_offset(ps, struct_offset))
-				return False;
-		}
-
-		relative_offset=buffer->string_at_end - buffer->struct_start;
-		/* write its offset */
-
-		if (!prs_uint32("offset", ps, depth, &relative_offset))
-			return False;
-	} else {
-		uint32 old_offset;
-		
-		/* read the offset */
-		if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
-			return False;
-
-		old_offset = prs_offset(ps);
-		if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
-			return False;
-
-		/* read the sd */
-		if (!sec_io_desc(desc, secdesc, ps, depth))
-			return False;
-
-		if(!prs_set_offset(ps, old_offset))
-			return False;
-	}
-	return True;
-}
-
-/*******************************************************************
  Parse a DEVMODE structure and its relative pointer.
 ********************************************************************/
 
-static BOOL smb_io_reldevmode(const char *desc, NEW_BUFFER *buffer, int depth, DEVICEMODE **devmode)
+static BOOL smb_io_reldevmode(const char *desc, RPC_BUFFER *buffer, int depth, DEVICEMODE **devmode)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2457,7 +2147,7 @@ static BOOL smb_io_reldevmode(const char *desc, NEW_BUFFER *buffer, int depth, D
  Parse a PRINTER_INFO_0 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_0(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_0 *info, int depth)
+BOOL smb_io_printer_info_0(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_0 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2558,7 +2248,7 @@ BOOL smb_io_printer_info_0(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_0
  Parse a PRINTER_INFO_1 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_1(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_1 *info, int depth)
+BOOL smb_io_printer_info_1(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2583,7 +2273,7 @@ BOOL smb_io_printer_info_1(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_1
  Parse a PRINTER_INFO_2 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_2(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_2 *info, int depth)
+BOOL smb_io_printer_info_2(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_2 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 	uint32 dm_offset, sd_offset, current_offset;
@@ -2674,7 +2364,7 @@ BOOL smb_io_printer_info_2(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_2
  Parse a PRINTER_INFO_3 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_3(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_3 *info, int depth)
+BOOL smb_io_printer_info_3(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_3 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2695,7 +2385,7 @@ BOOL smb_io_printer_info_3(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_3
  Parse a PRINTER_INFO_4 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_4(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_4 *info, int depth)
+BOOL smb_io_printer_info_4(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_4 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2717,7 +2407,7 @@ BOOL smb_io_printer_info_4(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_4
  Parse a PRINTER_INFO_5 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_5(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_5 *info, int depth)
+BOOL smb_io_printer_info_5(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_5 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2743,7 +2433,7 @@ BOOL smb_io_printer_info_5(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_5
  Parse a PRINTER_INFO_7 structure.
 ********************************************************************/  
 
-BOOL smb_io_printer_info_7(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_7 *info, int depth)
+BOOL smb_io_printer_info_7(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_7 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2763,7 +2453,7 @@ BOOL smb_io_printer_info_7(const char *desc, NEW_BUFFER *buffer, PRINTER_INFO_7
  Parse a PORT_INFO_1 structure.
 ********************************************************************/  
 
-BOOL smb_io_port_info_1(const char *desc, NEW_BUFFER *buffer, PORT_INFO_1 *info, int depth)
+BOOL smb_io_port_info_1(const char *desc, RPC_BUFFER *buffer, PORT_INFO_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2782,7 +2472,7 @@ BOOL smb_io_port_info_1(const char *desc, NEW_BUFFER *buffer, PORT_INFO_1 *info,
  Parse a PORT_INFO_2 structure.
 ********************************************************************/  
 
-BOOL smb_io_port_info_2(const char *desc, NEW_BUFFER *buffer, PORT_INFO_2 *info, int depth)
+BOOL smb_io_port_info_2(const char *desc, RPC_BUFFER *buffer, PORT_INFO_2 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2809,7 +2499,7 @@ BOOL smb_io_port_info_2(const char *desc, NEW_BUFFER *buffer, PORT_INFO_2 *info,
  Parse a DRIVER_INFO_1 structure.
 ********************************************************************/
 
-BOOL smb_io_printer_driver_info_1(const char *desc, NEW_BUFFER *buffer, DRIVER_INFO_1 *info, int depth) 
+BOOL smb_io_printer_driver_info_1(const char *desc, RPC_BUFFER *buffer, DRIVER_INFO_1 *info, int depth) 
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2828,7 +2518,7 @@ BOOL smb_io_printer_driver_info_1(const char *desc, NEW_BUFFER *buffer, DRIVER_I
  Parse a DRIVER_INFO_2 structure.
 ********************************************************************/
 
-BOOL smb_io_printer_driver_info_2(const char *desc, NEW_BUFFER *buffer, DRIVER_INFO_2 *info, int depth) 
+BOOL smb_io_printer_driver_info_2(const char *desc, RPC_BUFFER *buffer, DRIVER_INFO_2 *info, int depth) 
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2857,7 +2547,7 @@ BOOL smb_io_printer_driver_info_2(const char *desc, NEW_BUFFER *buffer, DRIVER_I
  Parse a DRIVER_INFO_3 structure.
 ********************************************************************/
 
-BOOL smb_io_printer_driver_info_3(const char *desc, NEW_BUFFER *buffer, DRIVER_INFO_3 *info, int depth)
+BOOL smb_io_printer_driver_info_3(const char *desc, RPC_BUFFER *buffer, DRIVER_INFO_3 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2896,7 +2586,7 @@ BOOL smb_io_printer_driver_info_3(const char *desc, NEW_BUFFER *buffer, DRIVER_I
  Parse a DRIVER_INFO_6 structure.
 ********************************************************************/
 
-BOOL smb_io_printer_driver_info_6(const char *desc, NEW_BUFFER *buffer, DRIVER_INFO_6 *info, int depth)
+BOOL smb_io_printer_driver_info_6(const char *desc, RPC_BUFFER *buffer, DRIVER_INFO_6 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -2961,7 +2651,7 @@ BOOL smb_io_printer_driver_info_6(const char *desc, NEW_BUFFER *buffer, DRIVER_I
  Parse a JOB_INFO_1 structure.
 ********************************************************************/  
 
-BOOL smb_io_job_info_1(const char *desc, NEW_BUFFER *buffer, JOB_INFO_1 *info, int depth)
+BOOL smb_io_job_info_1(const char *desc, RPC_BUFFER *buffer, JOB_INFO_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3004,7 +2694,7 @@ BOOL smb_io_job_info_1(const char *desc, NEW_BUFFER *buffer, JOB_INFO_1 *info, i
  Parse a JOB_INFO_2 structure.
 ********************************************************************/  
 
-BOOL smb_io_job_info_2(const char *desc, NEW_BUFFER *buffer, JOB_INFO_2 *info, int depth)
+BOOL smb_io_job_info_2(const char *desc, RPC_BUFFER *buffer, JOB_INFO_2 *info, int depth)
 {	
 	uint32 pipo=0;
 	prs_struct *ps=&buffer->prs;
@@ -3071,7 +2761,7 @@ BOOL smb_io_job_info_2(const char *desc, NEW_BUFFER *buffer, JOB_INFO_2 *info, i
 /*******************************************************************
 ********************************************************************/  
 
-BOOL smb_io_form_1(const char *desc, NEW_BUFFER *buffer, FORM_1 *info, int depth)
+BOOL smb_io_form_1(const char *desc, RPC_BUFFER *buffer, FORM_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 	
@@ -3102,123 +2792,13 @@ BOOL smb_io_form_1(const char *desc, NEW_BUFFER *buffer, FORM_1 *info, int depth
 	return True;
 }
 
-/*******************************************************************
- Read/write a BUFFER struct.
-********************************************************************/  
-
-static BOOL spoolss_io_buffer(const char *desc, prs_struct *ps, int depth, NEW_BUFFER **pp_buffer)
-{
-	NEW_BUFFER *buffer = *pp_buffer;
-
-	prs_debug(ps, depth, desc, "spoolss_io_buffer");
-	depth++;
-	
-	if (UNMARSHALLING(ps))
-		buffer = *pp_buffer = PRS_ALLOC_MEM(ps, NEW_BUFFER, 1);
-
-	if (buffer == NULL)
-		return False;
-
-	if (!prs_uint32("ptr", ps, depth, &buffer->ptr))
-		return False;
-	
-	/* reading */
-	if (UNMARSHALLING(ps)) {
-		buffer->size=0;
-		buffer->string_at_end=0;
-		
-		if (buffer->ptr==0) {
-			/*
-			 * JRA. I'm not sure if the data in here is in big-endian format if
-			 * the client is big-endian. Leave as default (little endian) for now.
-			 */
-
-			if (!prs_init(&buffer->prs, 0, prs_get_mem_context(ps), UNMARSHALL))
-				return False;
-			return True;
-		}
-		
-		if (!prs_uint32("size", ps, depth, &buffer->size))
-			return False;
-					
-		/*
-		 * JRA. I'm not sure if the data in here is in big-endian format if
-		 * the client is big-endian. Leave as default (little endian) for now.
-		 */
-
-		if (!prs_init(&buffer->prs, buffer->size, prs_get_mem_context(ps), UNMARSHALL))
-			return False;
-
-		if (!prs_append_some_prs_data(&buffer->prs, ps, prs_offset(ps), buffer->size))
-			return False;
-
-		if (!prs_set_offset(&buffer->prs, 0))
-			return False;
-
-		if (!prs_set_offset(ps, buffer->size+prs_offset(ps)))
-			return False;
-
-		buffer->string_at_end=buffer->size;
-		
-		return True;
-	}
-	else {
-		BOOL ret = False;
-
-		/* writing */
-		if (buffer->ptr==0) {
-			/* We have finished with the data in buffer->prs - free it. */
-			prs_mem_free(&buffer->prs);
-			return True;
-		}
-	
-		if (!prs_uint32("size", ps, depth, &buffer->size))
-			goto out;
-
-		if (!prs_append_some_prs_data(ps, &buffer->prs, 0, buffer->size))
-			goto out;
-
-		ret = True;
-	out:
-
-		/* We have finished with the data in buffer->prs - free it. */
-		prs_mem_free(&buffer->prs);
-
-		return ret;
-	}
-}
-
-/*******************************************************************
- move a BUFFER from the query to the reply.
- As the data pointers in NEW_BUFFER are malloc'ed, not talloc'ed,
- this is ok. This is an OPTIMIZATION and is not strictly neccessary.
- Clears the memory to zero also.
-********************************************************************/  
-
-void spoolss_move_buffer(NEW_BUFFER *src, NEW_BUFFER **dest)
-{
-	prs_switch_type(&src->prs, MARSHALL);
-	if(!prs_set_offset(&src->prs, 0))
-		return;
-	prs_force_dynamic(&src->prs);
-	prs_mem_clear(&src->prs);
-	*dest=src;
-}
-
-/*******************************************************************
- Get the size of a BUFFER struct.
-********************************************************************/  
 
-uint32 new_get_buffer_size(NEW_BUFFER *buffer)
-{
-	return (buffer->size);
-}
 
 /*******************************************************************
  Parse a DRIVER_DIRECTORY_1 structure.
 ********************************************************************/  
 
-BOOL smb_io_driverdir_1(const char *desc, NEW_BUFFER *buffer, DRIVER_DIRECTORY_1 *info, int depth)
+BOOL smb_io_driverdir_1(const char *desc, RPC_BUFFER *buffer, DRIVER_DIRECTORY_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3237,7 +2817,7 @@ BOOL smb_io_driverdir_1(const char *desc, NEW_BUFFER *buffer, DRIVER_DIRECTORY_1
  Parse a PORT_INFO_1 structure.
 ********************************************************************/  
 
-BOOL smb_io_port_1(const char *desc, NEW_BUFFER *buffer, PORT_INFO_1 *info, int depth)
+BOOL smb_io_port_1(const char *desc, RPC_BUFFER *buffer, PORT_INFO_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3256,7 +2836,7 @@ BOOL smb_io_port_1(const char *desc, NEW_BUFFER *buffer, PORT_INFO_1 *info, int
  Parse a PORT_INFO_2 structure.
 ********************************************************************/  
 
-BOOL smb_io_port_2(const char *desc, NEW_BUFFER *buffer, PORT_INFO_2 *info, int depth)
+BOOL smb_io_port_2(const char *desc, RPC_BUFFER *buffer, PORT_INFO_2 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3282,7 +2862,7 @@ BOOL smb_io_port_2(const char *desc, NEW_BUFFER *buffer, PORT_INFO_2 *info, int
 /*******************************************************************
 ********************************************************************/  
 
-BOOL smb_io_printprocessor_info_1(const char *desc, NEW_BUFFER *buffer, PRINTPROCESSOR_1 *info, int depth)
+BOOL smb_io_printprocessor_info_1(const char *desc, RPC_BUFFER *buffer, PRINTPROCESSOR_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3300,7 +2880,7 @@ BOOL smb_io_printprocessor_info_1(const char *desc, NEW_BUFFER *buffer, PRINTPRO
 /*******************************************************************
 ********************************************************************/  
 
-BOOL smb_io_printprocdatatype_info_1(const char *desc, NEW_BUFFER *buffer, PRINTPROCDATATYPE_1 *info, int depth)
+BOOL smb_io_printprocdatatype_info_1(const char *desc, RPC_BUFFER *buffer, PRINTPROCDATATYPE_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3318,7 +2898,7 @@ BOOL smb_io_printprocdatatype_info_1(const char *desc, NEW_BUFFER *buffer, PRINT
 /*******************************************************************
 ********************************************************************/  
 
-BOOL smb_io_printmonitor_info_1(const char *desc, NEW_BUFFER *buffer, PRINTMONITOR_1 *info, int depth)
+BOOL smb_io_printmonitor_info_1(const char *desc, RPC_BUFFER *buffer, PRINTMONITOR_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3336,7 +2916,7 @@ BOOL smb_io_printmonitor_info_1(const char *desc, NEW_BUFFER *buffer, PRINTMONIT
 /*******************************************************************
 ********************************************************************/  
 
-BOOL smb_io_printmonitor_info_2(const char *desc, NEW_BUFFER *buffer, PRINTMONITOR_2 *info, int depth)
+BOOL smb_io_printmonitor_info_2(const char *desc, RPC_BUFFER *buffer, PRINTMONITOR_2 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -3859,7 +3439,7 @@ BOOL make_spoolss_q_getprinterdriver2(SPOOL_Q_GETPRINTERDRIVER2 *q_u,
 			       const POLICY_HND *hnd,
 			       const fstring architecture,
 			       uint32 level, uint32 clientmajor, uint32 clientminor,
-			       NEW_BUFFER *buffer, uint32 offered)
+			       RPC_BUFFER *buffer, uint32 offered)
 {      
 	if (q_u == NULL)
 		return False;
@@ -3903,7 +3483,7 @@ BOOL spoolss_io_q_getprinterdriver2(const char *desc, SPOOL_Q_GETPRINTERDRIVER2
 	if(!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if(!prs_align(ps))
@@ -3933,7 +3513,7 @@ BOOL spoolss_io_r_getprinterdriver2(const char *desc, SPOOL_R_GETPRINTERDRIVER2
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -3959,7 +3539,7 @@ BOOL make_spoolss_q_enumprinters(
 	uint32 flags, 
 	char *servername, 
 	uint32 level, 
-	NEW_BUFFER *buffer, 
+	RPC_BUFFER *buffer, 
 	uint32 offered
 )
 {
@@ -3981,7 +3561,7 @@ BOOL make_spoolss_q_enumprinters(
 
 BOOL make_spoolss_q_enumports(SPOOL_Q_ENUMPORTS *q_u, 
 				fstring servername, uint32 level, 
-				NEW_BUFFER *buffer, uint32 offered)
+				RPC_BUFFER *buffer, uint32 offered)
 {
 	q_u->name_ptr = (servername != NULL) ? 1 : 0;
 	init_buf_unistr2(&q_u->name, &q_u->name_ptr, servername);
@@ -4019,7 +3599,7 @@ BOOL spoolss_io_q_enumprinters(const char *desc, SPOOL_Q_ENUMPRINTERS *q_u, prs_
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4042,7 +3622,7 @@ BOOL spoolss_io_r_enumprinters(const char *desc, SPOOL_R_ENUMPRINTERS *r_u, prs_
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4074,7 +3654,7 @@ BOOL spoolss_io_r_getprinter(const char *desc, SPOOL_R_GETPRINTER *r_u, prs_stru
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4107,7 +3687,7 @@ BOOL spoolss_io_q_getprinter(const char *desc, SPOOL_Q_GETPRINTER *q_u, prs_stru
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4127,7 +3707,7 @@ BOOL make_spoolss_q_getprinter(
 	SPOOL_Q_GETPRINTER *q_u, 
 	const POLICY_HND *hnd, 
 	uint32 level, 
-	NEW_BUFFER *buffer, 
+	RPC_BUFFER *buffer, 
 	uint32 offered
 )
 {
@@ -4349,7 +3929,7 @@ BOOL spoolss_io_r_addjob(const char *desc, SPOOL_R_ADDJOB *r_u, prs_struct *ps,
 	if(!prs_align(ps))
 		return False;
 	
-	if(!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if(!prs_align(ps))
@@ -4380,7 +3960,7 @@ BOOL spoolss_io_q_addjob(const char *desc, SPOOL_Q_ADDJOB *q_u, prs_struct *ps,
 	if(!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 	
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if(!prs_align(ps))
@@ -4403,7 +3983,7 @@ BOOL spoolss_io_r_enumjobs(const char *desc, SPOOL_R_ENUMJOBS *r_u, prs_struct *
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4428,7 +4008,7 @@ BOOL make_spoolss_q_enumjobs(SPOOL_Q_ENUMJOBS *q_u, const POLICY_HND *hnd,
 				uint32 firstjob,
 				uint32 numofjobs,
 				uint32 level,
-				NEW_BUFFER *buffer,
+				RPC_BUFFER *buffer,
 				uint32 offered)
 {
 	if (q_u == NULL)
@@ -4465,7 +4045,7 @@ BOOL spoolss_io_q_enumjobs(const char *desc, SPOOL_Q_ENUMJOBS *q_u, prs_struct *
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;	
 
 	if(!prs_align(ps))
@@ -4569,7 +4149,7 @@ BOOL spoolss_io_r_enumprinterdrivers(const char *desc, SPOOL_R_ENUMPRINTERDRIVER
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4595,7 +4175,7 @@ BOOL make_spoolss_q_enumprinterdrivers(SPOOL_Q_ENUMPRINTERDRIVERS *q_u,
                                 const char *name,
                                 const char *environment,
                                 uint32 level,
-                                NEW_BUFFER *buffer, uint32 offered)
+                                RPC_BUFFER *buffer, uint32 offered)
 {
         init_buf_unistr2(&q_u->name, &q_u->name_ptr, name);
         init_buf_unistr2(&q_u->environment, &q_u->environment_ptr, environment);
@@ -4637,7 +4217,7 @@ BOOL spoolss_io_q_enumprinterdrivers(const char *desc, SPOOL_Q_ENUMPRINTERDRIVER
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4665,7 +4245,7 @@ BOOL spoolss_io_q_enumforms(const char *desc, SPOOL_Q_ENUMFORMS *q_u, prs_struct
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;	
 	
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4687,7 +4267,7 @@ BOOL spoolss_io_r_enumforms(const char *desc, SPOOL_R_ENUMFORMS *r_u, prs_struct
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4727,7 +4307,7 @@ BOOL spoolss_io_q_getform(const char *desc, SPOOL_Q_GETFORM *q_u, prs_struct *ps
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;	
 	
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4749,7 +4329,7 @@ BOOL spoolss_io_r_getform(const char *desc, SPOOL_R_GETFORM *r_u, prs_struct *ps
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4776,7 +4356,7 @@ BOOL spoolss_io_r_enumports(const char *desc, SPOOL_R_ENUMPORTS *r_u, prs_struct
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -4815,7 +4395,7 @@ BOOL spoolss_io_q_enumports(const char *desc, SPOOL_Q_ENUMPORTS *q_u, prs_struct
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -5815,7 +5395,7 @@ BOOL uni_2_asc_printer_info_2(const SPOOL_PRINTER_INFO_LEVEL_2 *uni,
 
 BOOL make_spoolss_q_getprinterdriverdir(SPOOL_Q_GETPRINTERDRIVERDIR *q_u,
                                 fstring servername, fstring env_name, uint32 level,
-                                NEW_BUFFER *buffer, uint32 offered)
+                                RPC_BUFFER *buffer, uint32 offered)
 {
 	init_buf_unistr2(&q_u->name, &q_u->name_ptr, servername);
 	init_buf_unistr2(&q_u->environment, &q_u->environment_ptr, env_name);
@@ -5857,7 +5437,7 @@ BOOL spoolss_io_q_getprinterdriverdir(const char *desc, SPOOL_Q_GETPRINTERDRIVER
 	if(!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 		
 	if(!prs_align(ps))
@@ -5881,7 +5461,7 @@ BOOL spoolss_io_r_getprinterdriverdir(const char *desc, SPOOL_R_GETPRINTERDRIVER
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -5907,7 +5487,7 @@ BOOL spoolss_io_r_enumprintprocessors(const char *desc, SPOOL_R_ENUMPRINTPROCESS
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -5955,7 +5535,7 @@ BOOL spoolss_io_q_enumprintprocessors(const char *desc, SPOOL_Q_ENUMPRINTPROCESS
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6029,7 +5609,7 @@ BOOL spoolss_io_r_enumprintprocdatatypes(const char *desc, SPOOL_R_ENUMPRINTPROC
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6077,7 +5657,7 @@ BOOL spoolss_io_q_enumprintprocdatatypes(const char *desc, SPOOL_Q_ENUMPRINTPROC
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if(!spoolss_io_buffer("buffer", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("buffer", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6112,7 +5692,7 @@ BOOL spoolss_io_q_enumprintmonitors(const char *desc, SPOOL_Q_ENUMPRINTMONITORS
 	if (!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 		
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6135,7 +5715,7 @@ BOOL spoolss_io_r_enumprintmonitors(const char *desc, SPOOL_R_ENUMPRINTMONITORS
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6578,7 +6158,7 @@ BOOL spoolss_io_r_getjob(const char *desc, SPOOL_R_GETJOB *r_u, prs_struct *ps,
 	if (!prs_align(ps))
 		return False;
 		
-	if (!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if (!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 
 	if (!prs_align(ps))
@@ -6612,7 +6192,7 @@ BOOL spoolss_io_q_getjob(const char *desc, SPOOL_Q_GETJOB *q_u, prs_struct *ps,
 	if(!prs_uint32("level", ps, depth, &q_u->level))
 		return False;
 	
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 
 	if(!prs_align(ps))
@@ -7463,7 +7043,7 @@ BOOL spoolss_io_r_enumprinterdataex(const char *desc, SPOOL_R_ENUMPRINTERDATAEX
        [in] unistr2 *name,
        [in] unistr2 *environment,
        [in] uint32 level,
-       [in,out] NEW_BUFFER buffer,
+       [in,out] RPC_BUFFER buffer,
        [in] uint32 offered,
        [out] uint32 needed,
        [out] uint32 returned
@@ -7471,7 +7051,7 @@ BOOL spoolss_io_r_enumprinterdataex(const char *desc, SPOOL_R_ENUMPRINTERDATAEX
 
 */
 
-BOOL make_spoolss_q_getprintprocessordirectory(SPOOL_Q_GETPRINTPROCESSORDIRECTORY *q_u, const char *name, char *environment, int level, NEW_BUFFER *buffer, uint32 offered)
+BOOL make_spoolss_q_getprintprocessordirectory(SPOOL_Q_GETPRINTPROCESSORDIRECTORY *q_u, const char *name, char *environment, int level, RPC_BUFFER *buffer, uint32 offered)
 {
 	DEBUG(5,("make_spoolss_q_getprintprocessordirectory\n"));
 
@@ -7522,7 +7102,7 @@ BOOL spoolss_io_q_getprintprocessordirectory(const char *desc, SPOOL_Q_GETPRINTP
 	if(!prs_uint32("level",   ps, depth, &q_u->level))
 		return False;
 
-	if(!spoolss_io_buffer("", ps, depth, &q_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &q_u->buffer))
 		return False;
 	
 	if(!prs_align(ps))
@@ -7546,7 +7126,7 @@ BOOL spoolss_io_r_getprintprocessordirectory(const char *desc, SPOOL_R_GETPRINTP
 	if(!prs_align(ps))
 		return False;
 
-	if(!spoolss_io_buffer("", ps, depth, &r_u->buffer))
+	if(!prs_rpcbuffer_p("", ps, depth, &r_u->buffer))
 		return False;
 	
 	if(!prs_align(ps))
@@ -7561,7 +7141,7 @@ BOOL spoolss_io_r_getprintprocessordirectory(const char *desc, SPOOL_R_GETPRINTP
 	return True;
 }
 
-BOOL smb_io_printprocessordirectory_1(const char *desc, NEW_BUFFER *buffer, PRINTPROCESSOR_DIRECTORY_1 *info, int depth)
+BOOL smb_io_printprocessordirectory_1(const char *desc, RPC_BUFFER *buffer, PRINTPROCESSOR_DIRECTORY_1 *info, int depth)
 {
 	prs_struct *ps=&buffer->prs;
 
@@ -7625,7 +7205,7 @@ BOOL make_spoolss_q_deleteform(SPOOL_Q_DELETEFORM *q_u, POLICY_HND *handle,
 
 BOOL make_spoolss_q_getform(SPOOL_Q_GETFORM *q_u, POLICY_HND *handle, 
                             const char *formname, uint32 level, 
-			    NEW_BUFFER *buffer, uint32 offered)
+			    RPC_BUFFER *buffer, uint32 offered)
 {
         memcpy(&q_u->handle, handle, sizeof(POLICY_HND));
         q_u->level = level;
@@ -7641,7 +7221,7 @@ BOOL make_spoolss_q_getform(SPOOL_Q_GETFORM *q_u, POLICY_HND *handle,
  ********************************************************************/
 
 BOOL make_spoolss_q_enumforms(SPOOL_Q_ENUMFORMS *q_u, POLICY_HND *handle, 
-			      uint32 level, NEW_BUFFER *buffer,
+			      uint32 level, RPC_BUFFER *buffer,
 			      uint32 offered)
 {
         memcpy(&q_u->handle, handle, sizeof(POLICY_HND));
@@ -7676,7 +7256,7 @@ BOOL make_spoolss_q_setjob(SPOOL_Q_SETJOB *q_u, POLICY_HND *handle,
  ********************************************************************/
 
 BOOL make_spoolss_q_getjob(SPOOL_Q_GETJOB *q_u, POLICY_HND *handle, 
-			   uint32 jobid, uint32 level, NEW_BUFFER *buffer,
+			   uint32 jobid, uint32 level, RPC_BUFFER *buffer,
 			   uint32 offered)
 {
         memcpy(&q_u->handle, handle, sizeof(POLICY_HND));