8-byte alignment needed for beginning driver_info_level_6.

Verified by looking at NT4 and 2k servers.  First time
for everything I guess.
(This used to be commit f57640720e4758176116bc2e1b578cf0e867f95f)

3 files changed, 36 insertions, 23 deletions

diff --git a/source3/include/rpc_spoolss.h b/source3/include/rpc_spoolss.h
index d16d528904..82062d5278 100755
--- a/source3/include/rpc_spoolss.h
+++ b/source3/include/rpc_spoolss.h
@@ -1513,7 +1513,6 @@ SPOOL_PRINTER_DRIVER_INFO_LEVEL_3;
 
 /* SPOOL_PRINTER_DRIVER_INFO_LEVEL_6 structure */
 typedef struct {
-	uint32 unknown;
 	uint32 version;
 	uint32 name_ptr;
 	uint32 environment_ptr;
diff --git a/source3/rpc_parse/parse_prs.c b/source3/rpc_parse/parse_prs.c
index 05f38ddd23..2ab8c7246e 100644
--- a/source3/rpc_parse/parse_prs.c
+++ b/source3/rpc_parse/parse_prs.c
@@ -447,6 +447,10 @@ BOOL prs_align(prs_struct *ps)
 	return True;
 }
 
+/******************************************************************
+ Align on a 2 byte boundary
+ *****************************************************************/
+ 
 BOOL prs_align_uint16(prs_struct *ps)
 {
 	BOOL ret;
@@ -455,6 +459,23 @@ BOOL prs_align_uint16(prs_struct *ps)
 	ps->align = 2;
 	ret = prs_align(ps);
 	ps->align = old_align;
+	
+	return ret;
+}
+
+/******************************************************************
+ Align on a 8 byte boundary
+ *****************************************************************/
+ 
+BOOL prs_align_uint64(prs_struct *ps)
+{
+	BOOL ret;
+	uint8 old_align = ps->align;
+
+	ps->align = 8;
+	ret = prs_align(ps);
+	ps->align = old_align;
+	
 	return ret;
 }
 
diff --git a/source3/rpc_parse/parse_spoolss.c b/source3/rpc_parse/parse_spoolss.c
index 0bcace8a00..c74249878a 100644
--- a/source3/rpc_parse/parse_spoolss.c
+++ b/source3/rpc_parse/parse_spoolss.c
@@ -5034,39 +5034,32 @@ BOOL spool_io_printer_driver_info_level_6(char *desc, SPOOL_PRINTER_DRIVER_INFO_
 	if(!prs_align(ps))
 		return False;
 
-	if (!prs_uint32("unknown   ", ps, depth, &il->unknown))
+	/* 
+	 * I know this seems weird, but I have no other explanation.
+	 * This is observed behavior on both NT4 and 2K servers.
+	 * --jerry
+	 */
+	 
+	if (!prs_align_uint64(ps))
 		return False;
 
 	/* parse the main elements the packet */
 
-	if(!prs_uint32("cversion   ", ps, depth, &il->version))
+	if(!prs_uint32("cversion       ", ps, depth, &il->version))
 		return False;
-
-	if(!prs_uint32("name       ", ps, depth, &il->name_ptr))
+	if(!prs_uint32("name           ", ps, depth, &il->name_ptr))
 		return False;
-
-	/*
-	 * If name_ptr is NULL then the next 4 bytes are the name_ptr. A driver 
-	 * with a NULL name just isn't a driver For example: "HP LaserJet 4si"
-	 * from W2K CDROM (which uses unidriver). JohnR 010205
-	 */
-	if (!il->name_ptr) {
-		DEBUG(5,("spool_io_printer_driver_info_level_6: name_ptr is NULL! Get next value\n"));
-		if(!prs_uint32("name_ptr", ps, depth, &il->name_ptr))
-			return False;	
-	}
-	
-	if(!prs_uint32("environment", ps, depth, &il->environment_ptr))
+	if(!prs_uint32("environment    ", ps, depth, &il->environment_ptr))
 		return False;
-	if(!prs_uint32("driverpath ", ps, depth, &il->driverpath_ptr))
+	if(!prs_uint32("driverpath     ", ps, depth, &il->driverpath_ptr))
 		return False;
-	if(!prs_uint32("datafile   ", ps, depth, &il->datafile_ptr))
+	if(!prs_uint32("datafile       ", ps, depth, &il->datafile_ptr))
 		return False;
-	if(!prs_uint32("configfile ", ps, depth, &il->configfile_ptr))
+	if(!prs_uint32("configfile     ", ps, depth, &il->configfile_ptr))
 		return False;
-	if(!prs_uint32("helpfile   ", ps, depth, &il->helpfile_ptr))
+	if(!prs_uint32("helpfile       ", ps, depth, &il->helpfile_ptr))
 		return False;
-	if(!prs_uint32("monitorname", ps, depth, &il->monitorname_ptr))
+	if(!prs_uint32("monitorname    ", ps, depth, &il->monitorname_ptr))
 		return False;
 	if(!prs_uint32("defaultdatatype", ps, depth, &il->defaultdatatype_ptr))
 		return False;