/* Unix SMB/CIFS implementation. functions to calculate the free disk space Copyright (C) Andrew Tridgell 1998-2000 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 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, see . */ #include "includes.h" #include "system/filesys.h" /** * @file * @brief Utility functions for getting the amount of free disk space */ /* Return the number of TOSIZE-byte blocks used by BLOCKS FROMSIZE-byte blocks, rounding away from zero. */ static uint64_t adjust_blocks(uint64_t blocks, uint64_t fromsize, uint64_t tosize) { if (fromsize == tosize) /* e.g., from 512 to 512 */ return blocks; else if (fromsize > tosize) /* e.g., from 2048 to 512 */ return blocks * (fromsize / tosize); else /* e.g., from 256 to 512 */ return (blocks + 1) / (tosize / fromsize); } /** * Retrieve amount of free disk space. * this does all of the system specific guff to get the free disk space. * It is derived from code in the GNU fileutils package, but has been * considerably mangled for use here * * results are returned in *dfree and *dsize, in 512 byte units */ _PUBLIC_ int sys_fsusage(const char *path, uint64_t *dfree, uint64_t *dsize) { #ifdef STAT_STATFS3_OSF1 #define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_fsize, (uint64_t)512) struct statfs fsd; if (statfs (path, &fsd, sizeof (struct statfs)) != 0) return -1; #endif /* STAT_STATFS3_OSF1 */ #ifdef STAT_STATFS2_FS_DATA /* Ultrix */ #define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)1024, (uint64_t)512) struct fs_data fsd; if (statfs (path, &fsd) != 1) return -1; (*dsize) = CONVERT_BLOCKS (fsd.fd_req.btot); (*dfree) = CONVERT_BLOCKS (fsd.fd_req.bfreen); #endif /* STAT_STATFS2_FS_DATA */ #ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */ #define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_bsize, (uint64_t)512) struct statfs fsd; if (statfs (path, &fsd) < 0) return -1; #ifdef STATFS_TRUNCATES_BLOCK_COUNTS /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the struct statfs are truncated to 2GB. These conditions detect that truncation, presumably without botching the 4.1.1 case, in which the values are not truncated. The correct counts are stored in undocumented spare fields. */ if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0) { fsd.f_blocks = fsd.f_spare[0]; fsd.f_bfree = fsd.f_spare[1]; fsd.f_bavail = fsd.f_spare[2]; } #endif /* STATFS_TRUNCATES_BLOCK_COUNTS */ #endif /* STAT_STATFS2_BSIZE */ #ifdef STAT_STATFS2_FSIZE /* 4.4BSD */ #define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_fsize, (uint64_t)512) struct statfs fsd; if (statfs (path, &fsd) < 0) return -1; #endif /* STAT_STATFS2_FSIZE */ #ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */ # if _AIX || defined(_CRAY) # define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_bsize, (uint64_t)512) # ifdef _CRAY # define f_bavail f_bfree # endif # else # define CONVERT_BLOCKS(B) ((uint64_t)B) # ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx */ # ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ # define f_bavail f_bfree # endif # endif # endif struct statfs fsd; if (statfs (path, &fsd, sizeof fsd, 0) < 0) return -1; /* Empirically, the block counts on most SVR3 and SVR3-derived systems seem to always be in terms of 512-byte blocks, no matter what value f_bsize has. */ #endif /* STAT_STATFS4 */ #if defined(STAT_STATVFS) || defined(STAT_STATVFS64) /* SVR4 */ # define CONVERT_BLOCKS(B) \ adjust_blocks ((uint64_t)(B), fsd.f_frsize ? (uint64_t)fsd.f_frsize : (uint64_t)fsd.f_bsize, (uint64_t)512) #ifdef STAT_STATVFS64 struct statvfs64 fsd; if (statvfs64(path, &fsd) < 0) return -1; #else struct statvfs fsd; if (statvfs(path, &fsd) < 0) return -1; #endif /* f_frsize isn't guaranteed to be supported. */ #endif /* STAT_STATVFS */ #ifndef CONVERT_BLOCKS /* we don't have any dfree code! */ return -1; #else #if !defined(STAT_STATFS2_FS_DATA) /* !Ultrix */ (*dsize) = CONVERT_BLOCKS (fsd.f_blocks); (*dfree) = CONVERT_BLOCKS (fsd.f_bavail); #endif /* not STAT_STATFS2_FS_DATA */ #endif return 0; } n36'>36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 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/* 
 *  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                2000-2002,
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "includes.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_PARSE


/*******************************************************************
This should be moved in a more generic lib.
********************************************************************/  

bool spoolss_io_system_time(const char *desc, prs_struct *ps, int depth, SYSTEMTIME *systime)
{
	if(!prs_uint16("year", ps, depth, &systime->year))
		return False;
	if(!prs_uint16("month", ps, depth, &systime->month))
		return False;
	if(!prs_uint16("dayofweek", ps, depth, &systime->dayofweek))
		return False;
	if(!prs_uint16("day", ps, depth, &systime->day))
		return False;
	if(!prs_uint16("hour", ps, depth, &systime->hour))
		return False;
	if(!prs_uint16("minute", ps, depth, &systime->minute))
		return False;
	if(!prs_uint16("second", ps, depth, &systime->second))
		return False;
	if(!prs_uint16("milliseconds", ps, depth, &systime->milliseconds))
		return False;

	return True;
}

/*******************************************************************
********************************************************************/  

bool make_systemtime(SYSTEMTIME *systime, struct tm *unixtime)
{
	systime->year=unixtime->tm_year+1900;
	systime->month=unixtime->tm_mon+1;
	systime->dayofweek=unixtime->tm_wday;
	systime->day=unixtime->tm_mday;
	systime->hour=unixtime->tm_hour;
	systime->minute=unixtime->tm_min;
	systime->second=unixtime->tm_sec;
	systime->milliseconds=0;

	return True;
}

/*******************************************************************
reads or writes an DOC_INFO structure.
********************************************************************/  

static bool smb_io_doc_info_1(const char *desc, DOC_INFO_1 *info_1, prs_struct *ps, int depth)
{
	if (info_1 == NULL) return False;

	prs_debug(ps, depth, desc, "smb_io_doc_info_1");
	depth++;
 
	if(!prs_align(ps))
		return False;
	
	if(!prs_uint32("p_docname",    ps, depth, &info_1->p_docname))
		return False;
	if(!prs_uint32("p_outputfile", ps, depth, &info_1->p_outputfile))
		return False;
	if(!prs_uint32("p_datatype",   ps, depth, &info_1->p_datatype))
		return False;

	if(!smb_io_unistr2("", &info_1->docname,    info_1->p_docname,    ps, depth))
		return False;
	if(!smb_io_unistr2("", &info_1->outputfile, info_1->p_outputfile, ps, depth))
		return False;
	if(!smb_io_unistr2("", &info_1->datatype,   info_1->p_datatype,   ps, depth))
		return False;

	return True;
}

/*******************************************************************
reads or writes an DOC_INFO structure.
********************************************************************/  

static bool smb_io_doc_info(const char *desc, DOC_INFO *info, prs_struct *ps, int depth)
{
	uint32 useless_ptr=0;
	
	if (info == NULL) return False;

	prs_debug(ps, depth, desc, "smb_io_doc_info");
	depth++;
 
	if(!prs_align(ps))
		return False;
        
	if(!prs_uint32("switch_value", ps, depth, &info->switch_value))
		return False;
	
	if(!prs_uint32("doc_info_X ptr", ps, depth, &useless_ptr))
		return False;

	switch (info->switch_value)
	{
		case 1:	
			if(!smb_io_doc_info_1("",&info->doc_info_1, ps, depth))
				return False;
			break;
		case 2:
			/*
			  this is just a placeholder
			  
			  MSDN July 1998 says doc_info_2 is only on
			  Windows 95, and as Win95 doesn't do RPC to print
			  this case is nearly impossible
			  
			  Maybe one day with Windows for dishwasher 2037 ...
			  
			*/
			/* smb_io_doc_info_2("",&info->doc_info_2, ps, depth); */
			break;
		default:
			DEBUG(0,("Something is obviously wrong somewhere !\n"));
			break;
	}

	return True;
}

/*******************************************************************
reads or writes an DOC_INFO_CONTAINER structure.
********************************************************************/  

static bool smb_io_doc_info_container(const char *desc, DOC_INFO_CONTAINER *cont, prs_struct *ps, int depth)
{
	if (cont == NULL) return False;

	prs_debug(ps, depth, desc, "smb_io_doc_info_container");
	depth++;
 
	if(!prs_align(ps))
		return False;
        
	if(!prs_uint32("level", ps, depth, &cont->level))
		return False;
	
	if(!smb_io_doc_info("",&cont->docinfo, ps, depth))
		return False;

	return True;
}

/*******************************************************************
reads or writes an NOTIFY OPTION TYPE structure.
********************************************************************/  

/* NOTIFY_OPTION_TYPE and NOTIFY_OPTION_TYPE_DATA are really one
   structure.  The _TYPE structure is really the deferred referrants (i.e
   the notify fields array) of the _TYPE structure. -tpot */

static bool smb_io_notify_option_type(const char *desc, SPOOL_NOTIFY_OPTION_TYPE *type, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "smb_io_notify_option_type");
	depth++;
 
	if (!prs_align(ps))
		return False;

	if(!prs_uint16("type", ps, depth, &type->type))
		return False;
	if(!prs_uint16("reserved0", ps, depth, &type->reserved0))
		return False;
	if(!prs_uint32("reserved1", ps, depth, &type->reserved1))
		return False;
	if(!prs_uint32("reserved2", ps, depth, &type->reserved2))
		return False;
	if(!prs_uint32("count", ps, depth, &type->count))
		return False;
	if(!prs_uint32("fields_ptr", ps, depth, &type->fields_ptr))
		return False;

	return True;
}

/*******************************************************************
reads or writes an NOTIFY OPTION TYPE DATA.
********************************************************************/  

static bool smb_io_notify_option_type_data(const char *desc, SPOOL_NOTIFY_OPTION_TYPE *type, prs_struct *ps, int depth)
{
	int i;

	prs_debug(ps, depth, desc, "smb_io_notify_option_type_data");
	depth++;
 
 	/* if there are no fields just return */
	if (type->fields_ptr==0)
		return True;

	if(!prs_align(ps))
		return False;

	if(!prs_uint32("count2", ps, depth, &type->count2))
		return False;
	
	if (type->count2 != type->count)
		DEBUG(4,("What a mess, count was %x now is %x !\n", type->count, type->count2));

	if (type->count2 > MAX_NOTIFY_TYPE_FOR_NOW) {
		return False;
	}

	/* parse the option type data */
	for(i=0;i<type->count2;i++)
		if(!prs_uint16("fields",ps,depth,&type->fields[i]))
			return False;
	return True;
}

/*******************************************************************
reads or writes an NOTIFY OPTION structure.
********************************************************************/  

static bool smb_io_notify_option_type_ctr(const char *desc, SPOOL_NOTIFY_OPTION_TYPE_CTR *ctr , prs_struct *ps, int depth)
{		
	int i;
	
	prs_debug(ps, depth, desc, "smb_io_notify_option_type_ctr");
	depth++;
 
	if(!prs_uint32("count", ps, depth, &ctr->count))
		return False;

	/* reading */
	if (UNMARSHALLING(ps) && ctr->count)
		if((ctr->type=PRS_ALLOC_MEM(ps,SPOOL_NOTIFY_OPTION_TYPE,ctr->count)) == NULL)
			return False;
		
	/* the option type struct */
	for(i=0;i<ctr->count;i++)
		if(!smb_io_notify_option_type("", &ctr->type[i] , ps, depth))
			return False;

	/* the type associated with the option type struct */
	for(i=0;i<ctr->count;i++)
		if(!smb_io_notify_option_type_data("", &ctr->type[i] , ps, depth))
			return False;
	
	return True;
}

/*******************************************************************
reads or writes an NOTIFY OPTION structure.
********************************************************************/  

static bool smb_io_notify_option(const char *desc, SPOOL_NOTIFY_OPTION *option, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "smb_io_notify_option");
	depth++;
 	
	if(!prs_uint32("version", ps, depth, &option->version))
		return False;
	if(!prs_uint32("flags", ps, depth, &option->flags))
		return False;
	if(!prs_uint32("count", ps, depth, &option->count))
		return False;
	if(!prs_uint32("option_type_ptr", ps, depth, &option->option_type_ptr))
		return False;
	
	/* marshalling or unmarshalling, that would work */	
	if (option->option_type_ptr!=0) {
		if(!smb_io_notify_option_type_ctr("", &option->ctr ,ps, depth))
			return False;
	}
	else {
		option->ctr.type=NULL;
		option->ctr.count=0;
	}
	
	return True;
}

/*******************************************************************
reads or writes an NOTIFY INFO DATA structure.
********************************************************************/  

static bool smb_io_notify_info_data(const char *desc,SPOOL_NOTIFY_INFO_DATA *data, prs_struct *ps, int depth)
{
	uint32 useless_ptr=0x0FF0ADDE;

	prs_debug(ps, depth, desc, "smb_io_notify_info_data");
	depth++;

	if(!prs_align(ps))
		return False;
	if(!prs_uint16("type",           ps, depth, &data->type))
		return False;
	if(!prs_uint16("field",          ps, depth, &data->field))
		return False;

	if(!prs_uint32("how many words", ps, depth, &data->size))
		return False;
	if(!prs_uint32("id",             ps, depth, &data->id))
		return False;
	if(!prs_uint32("how many words", ps, depth, &data->size))
		return False;

	switch (data->enc_type) {

		/* One and two value data has two uint32 values */

	case NOTIFY_ONE_VALUE:
	case NOTIFY_TWO_VALUE:

		if(!prs_uint32("value[0]", ps, depth, &data->notify_data.value[0]))
			return False;
		if(!prs_uint32("value[1]", ps, depth, &data->notify_data.value[1]))
			return False;
		break;

		/* Pointers and strings have a string length and a
		   pointer.  For a string the length is expressed as
		   the number of uint16 characters plus a trailing
		   \0\0. */

	case NOTIFY_POINTER:

		if(!prs_uint32("string length", ps, depth, &data->notify_data.data.length ))
			return False;
		if(!prs_uint32("pointer", ps, depth, &useless_ptr))
			return False;

		break;

	case NOTIFY_STRING:

		if(!prs_uint32("string length", ps, depth, &data->notify_data.data.length))
			return False;

		if(!prs_uint32("pointer", ps, depth, &useless_ptr))
			return False;

		break;

	case NOTIFY_SECDESC:
		if( !prs_uint32( "sd size", ps, depth, &data->notify_data.sd.size ) )
			return False;
		if( !prs_uint32( "pointer", ps, depth, &useless_ptr ) )
			return False;
		
		break;

	default:
		DEBUG(3, ("invalid enc_type %d for smb_io_notify_info_data\n",
			  data->enc_type));
		break;
	}

	return True;
}

/*******************************************************************
reads or writes an NOTIFY INFO DATA structure.
********************************************************************/  

bool smb_io_notify_info_data_strings(const char *desc,SPOOL_NOTIFY_INFO_DATA *data,
                                     prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "smb_io_notify_info_data_strings");
	depth++;
	
	if(!prs_align(ps))
		return False;

	switch(data->enc_type) {

		/* No data for values */

	case NOTIFY_ONE_VALUE:
	case NOTIFY_TWO_VALUE:

		break;

		/* Strings start with a length in uint16s */

	case NOTIFY_STRING:

		if (MARSHALLING(ps))
			data->notify_data.data.length /= 2;

		if(!prs_uint32("string length", ps, depth, &data->notify_data.data.length))
			return False;

		if (UNMARSHALLING(ps) && data->notify_data.data.length) {
			data->notify_data.data.string = PRS_ALLOC_MEM(ps, uint16,
								data->notify_data.data.length);

			if (!data->notify_data.data.string) 
				return False;
		}

		if (!prs_uint16uni(True, "string", ps, depth, data->notify_data.data.string,
				   data->notify_data.data.length))
			return False;

		if (MARSHALLING(ps))
			data->notify_data.data.length *= 2;

		break;

	case NOTIFY_POINTER:

		if (UNMARSHALLING(ps) && data->notify_data.data.length) {
			data->notify_data.data.string = PRS_ALLOC_MEM(ps, uint16,
								data->notify_data.data.length);

			if (!data->notify_data.data.string) 
				return False;
		}

		if(!prs_uint8s(True,"buffer",ps,depth,(uint8*)data->notify_data.data.string,data->notify_data.data.length))
			return False;

		break;

	case NOTIFY_SECDESC:	
		if( !prs_uint32("secdesc size ", ps, depth, &data->notify_data.sd.size ) )
			return False;
		if ( !sec_io_desc( "sec_desc", &data->notify_data.sd.desc, ps, depth ) )
			return False;
		break;

	default:
		DEBUG(3, ("invalid enc_type %d for smb_io_notify_info_data_strings\n",
			  data->enc_type));
		break;
	}

#if 0
	if (isvalue==False) {

		/* length of string in unicode include \0 */
		x=data->notify_data.data.length+1;

		if (data->field != 16)
		if(!prs_uint32("string length", ps, depth, &x ))
			return False;

		if (MARSHALLING(ps)) {
			/* These are already in little endian format. Don't byte swap. */
			if (x == 1) {

				/* No memory allocated for this string
				   therefore following the data.string
				   pointer is a bad idea.  Use a pointer to
				   the uint32 length union member to
				   provide a source for a unicode NULL */

				if(!prs_uint8s(True,"string",ps,depth, (uint8 *)&data->notify_data.data.length,x*2)) 
					return False;
			} else {

				if (data->field == 16)
					x /= 2;

				if(!prs_uint16uni(True,"string",ps,depth,data->notify_data.data.string,x))
					return False;
			}
		} else {

			/* Tallocate memory for string */

			if (x) {
				data->notify_data.data.string = PRS_ALLOC_MEM(ps, uint16, x * 2);
				if (!data->notify_data.data.string) 
					return False;
			} else {
				data->notify_data.data.string = NULL;
			}

			if(!prs_uint16uni(True,"string",ps,depth,data->notify_data.data.string,x))
				return False;
		}
	}

#endif

#if 0	/* JERRY */
	/* Win2k does not seem to put this parse align here */
	if(!prs_align(ps))
		return False;
#endif

	return True;
}

/*******************************************************************
reads or writes an NOTIFY INFO structure.
********************************************************************/  

static bool smb_io_notify_info(const char *desc, SPOOL_NOTIFY_INFO *info, prs_struct *ps, int depth)
{
	int i;

	prs_debug(ps, depth, desc, "smb_io_notify_info");
	depth++;
 
	if(!prs_align(ps))
		return False;

	if(!prs_uint32("count", ps, depth, &info->count))
		return False;
	if(!prs_uint32("version", ps, depth, &info->version))
		return False;
	if(!prs_uint32("flags", ps, depth, &info->flags))
		return False;
	if(!prs_uint32("count", ps, depth, &info->count))
		return False;

	for (i=0;i<info->count;i++) {
		if(!smb_io_notify_info_data(desc, &info->data[i], ps, depth))
			return False;
	}

	/* now do the strings at the end of the stream */	
	for (i=0;i<info->count;i++) {
		if(!smb_io_notify_info_data_strings(desc, &info->data[i], ps, depth))
			return False;
	}

	return True;
}

/*******************************************************************
********************************************************************/  

bool spool_io_user_level_1( const char *desc, prs_struct *ps, int depth, SPOOL_USER_1 *q_u )
{
	prs_debug(ps, depth, desc, "");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_uint32("size", ps, depth, &q_u->size))
		return False;

	if (!prs_io_unistr2_p("", ps, depth, &q_u->client_name))
		return False;
	if (!prs_io_unistr2_p("", ps, depth, &q_u->user_name))
		return False;

	if (!prs_uint32("build", ps, depth, &q_u->build))
		return False;
	if (!prs_uint32("major", ps, depth, &q_u->major))
		return False;
	if (!prs_uint32("minor", ps, depth, &q_u->minor))
		return False;
	if (!prs_uint32("processor", ps, depth, &q_u->processor))
		return False;

	if (!prs_io_unistr2("", ps, depth, q_u->client_name))
		return False;
	if (!prs_align(ps))
		return False;

	if (!prs_io_unistr2("", ps, depth, q_u->user_name))
		return False;

	return True;
}

/*******************************************************************
********************************************************************/  

static bool spool_io_user_level(const char *desc, SPOOL_USER_CTR *q_u, prs_struct *ps, int depth)
{
	if (q_u==NULL)
		return False;

	prs_debug(ps, depth, desc, "spool_io_user_level");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_uint32("level", ps, depth, &q_u->level))
		return False;
	
	switch ( q_u->level ) 
	{	
		case 1:
			if ( !prs_pointer( "" , ps, depth, (void*)&q_u->user.user1, 
				sizeof(SPOOL_USER_1), (PRS_POINTER_CAST)spool_io_user_level_1 )) 
			{
				return False;
			}
			break;
		default:
			return False;	
	}	

	return True;
}

/*******************************************************************
 * read or write a DEVICEMODE struct.
 * on reading allocate memory for the private member
 ********************************************************************/

#define DM_NUM_OPTIONAL_FIELDS 		8

bool spoolss_io_devmode(const char *desc, prs_struct *ps, int depth, DEVICEMODE *devmode)
{
	int available_space;		/* size of the device mode left to parse */
					/* only important on unmarshalling       */
	int i = 0;
	uint16 *unistr_buffer;
	int j;
					
	struct optional_fields {
		fstring		name;
		uint32*		field;
	} opt_fields[DM_NUM_OPTIONAL_FIELDS] = {
		{ "icmmethod",		NULL },
		{ "icmintent",		NULL },
		{ "mediatype",		NULL },
		{ "dithertype",		NULL },
		{ "reserved1",		NULL },
		{ "reserved2",		NULL },
		{ "panningwidth",	NULL },
		{ "panningheight",	NULL }
	};

	/* assign at run time to keep non-gcc compilers happy */

	opt_fields[0].field = &devmode->icmmethod;
	opt_fields[1].field = &devmode->icmintent;
	opt_fields[2].field = &devmode->mediatype;
	opt_fields[3].field = &devmode->dithertype;
	opt_fields[4].field = &devmode->reserved1;
	opt_fields[5].field = &devmode->reserved2;
	opt_fields[6].field = &devmode->panningwidth;
	opt_fields[7].field = &devmode->panningheight;
		
	
	prs_debug(ps, depth, desc, "spoolss_io_devmode");
	depth++;

	if (UNMARSHALLING(ps)) {
		devmode->devicename.buffer = PRS_ALLOC_MEM(ps, uint16, MAXDEVICENAME);
		if (devmode->devicename.buffer == NULL)
			return False;
		unistr_buffer = devmode->devicename.buffer;
	}
	else {
		/* devicename is a static sized string but the buffer we set is not */
		unistr_buffer = PRS_ALLOC_MEM(ps, uint16, MAXDEVICENAME);
		memset( unistr_buffer, 0x0, MAXDEVICENAME );
		for ( j=0; devmode->devicename.buffer[j]; j++ )
			unistr_buffer[j] = devmode->devicename.buffer[j];
	}
		
	if (!prs_uint16uni(True,"devicename", ps, depth, unistr_buffer, MAXDEVICENAME))
		return False;
	
	if (!prs_uint16("specversion",      ps, depth, &devmode->specversion))
		return False;
		
	if (!prs_uint16("driverversion",    ps, depth, &devmode->driverversion))
		return False;
	if (!prs_uint16("size",             ps, depth, &devmode->size))
		return False;
	if (!prs_uint16("driverextra",      ps, depth, &devmode->driverextra))
		return False;
	if (!prs_uint32("fields",           ps, depth, &devmode->fields))
		return False;
	if (!prs_uint16("orientation",      ps, depth, &devmode->orientation))
		return False;
	if (!prs_uint16("papersize",        ps, depth, &devmode->papersize))
		return False;
	if (!prs_uint16("paperlength",      ps, depth, &devmode->paperlength))
		return False;
	if (!prs_uint16("paperwidth",       ps, depth, &devmode->paperwidth))
		return False;
	if (!prs_uint16("scale",            ps, depth, &devmode->scale))
		return False;
	if (!prs_uint16("copies",           ps, depth, &devmode->copies))
		return False;
	if (!prs_uint16("defaultsource",    ps, depth, &devmode->defaultsource))
		return False;
	if (!prs_uint16("printquality",     ps, depth, &devmode->printquality))
		return False;
	if (!prs_uint16("color",            ps, depth, &devmode->color))
		return False;
	if (!prs_uint16("duplex",           ps, depth, &devmode->duplex))
		return False;
	if (!prs_uint16("yresolution",      ps, depth, &devmode->yresolution))
		return False;
	if (!prs_uint16("ttoption",         ps, depth, &devmode->ttoption))
		return False;
	if (!prs_uint16("collate",          ps, depth, &devmode->collate))
		return False;

	if (UNMARSHALLING(ps)) {
		devmode->formname.buffer = PRS_ALLOC_MEM(ps, uint16, MAXDEVICENAME);
		if (devmode->formname.buffer == NULL)
			return False;
		unistr_buffer = devmode->formname.buffer;
	}
	else {
		/* devicename is a static sized string but the buffer we set is not */
		unistr_buffer = PRS_ALLOC_MEM(ps, uint16, MAXDEVICENAME);
		memset( unistr_buffer, 0x0, MAXDEVICENAME );
		for ( j=0; devmode->formname.buffer[j]; j++ )
			unistr_buffer[j] = devmode->formname.buffer[j];
	}
	
	if (!prs_uint16uni(True, "formname",  ps, depth, unistr_buffer, MAXDEVICENAME))
		return False;
	if (!prs_uint16("logpixels",        ps, depth, &devmode->logpixels))
		return False;
	if (!prs_uint32("bitsperpel",       ps, depth, &devmode->bitsperpel))
		return False;
	if (!prs_uint32("pelswidth",        ps, depth, &devmode->pelswidth))
		return False;
	if (!prs_uint32("pelsheight",       ps, depth, &devmode->pelsheight))
		return False;
	if (!prs_uint32("displayflags",     ps, depth, &devmode->displayflags))
		return False;
	if (!prs_uint32("displayfrequency", ps, depth, &devmode->displayfrequency))
		return False;
	/* 
	 * every device mode I've ever seen on the wire at least has up 
	 * to the displayfrequency field.   --jerry (05-09-2002)
	 */
	 
	/* add uint32's + uint16's + two UNICODE strings */
	 
	available_space = devmode->size - (sizeof(uint32)*6 + sizeof(uint16)*18 + sizeof(uint16)*64);
	
	/* Sanity check - we only have uint32's left tp parse */
	
	if ( available_space && ((available_space % sizeof(uint32)) != 0) ) {
		DEBUG(0,("spoolss_io_devmode: available_space [%d] no in multiple of 4 bytes (size = %d)!\n",
			available_space, devmode->size));
		DEBUG(0,("spoolss_io_devmode: please report to samba-technical@samba.org!\n"));
		return False;
	}

	/* 
	 * Conditional parsing.  Assume that the DeviceMode has been 
	 * zero'd by the caller. 
	 */
	
	while ((available_space > 0)  && (i < DM_NUM_OPTIONAL_FIELDS))
	{
		DEBUG(11, ("spoolss_io_devmode: [%d] bytes left to parse in devmode\n", available_space));
		if (!prs_uint32(opt_fields[i].name, ps, depth, opt_fields[i].field))
			return False;
		available_space -= sizeof(uint32);
		i++;
	}	 
	
	/* Sanity Check - we should no available space at this point unless 
	   MS changes the device mode structure */
		
	if (available_space) {
		DEBUG(0,("spoolss_io_devmode: I've parsed all I know and there is still stuff left|\n"));
		DEBUG(0,("spoolss_io_devmode: available_space = [%d], devmode_size = [%d]!\n",
			available_space, devmode->size));
		DEBUG(0,("spoolss_io_devmode: please report to samba-technical@samba.org!\n"));
		return False;
	}


	if (devmode->driverextra!=0) {
		if (UNMARSHALLING(ps)) {
			devmode->dev_private=PRS_ALLOC_MEM(ps, uint8, devmode->driverextra);
			if(devmode->dev_private == NULL)
				return False;
			DEBUG(7,("spoolss_io_devmode: allocated memory [%d] for dev_private\n",devmode->driverextra)); 
		}
			
		DEBUG(7,("spoolss_io_devmode: parsing [%d] bytes of dev_private\n",devmode->driverextra));
		if (!prs_uint8s(False, "dev_private",  ps, depth,
				devmode->dev_private, devmode->driverextra))
			return False;
	}

	return True;
}

/*******************************************************************
 Read or write a DEVICEMODE container
********************************************************************/  

static bool spoolss_io_devmode_cont(const char *desc, DEVMODE_CTR *dm_c, prs_struct *ps, int depth)
{
	if (dm_c==NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_devmode_cont");
	depth++;

	if(!prs_align(ps))
		return False;
	
	if (!prs_uint32("size", ps, depth, &dm_c->size))
		return False;

	if (!prs_uint32("devmode_ptr", ps, depth, &dm_c->devmode_ptr))
		return False;

	if (dm_c->size==0 || dm_c->devmode_ptr==0) {
		if (UNMARSHALLING(ps))
			/* if while reading there is no DEVMODE ... */
			dm_c->devmode=NULL;
		return True;
	}
	
	/* so we have a DEVICEMODE to follow */		
	if (UNMARSHALLING(ps)) {
		DEBUG(9,("Allocating memory for spoolss_io_devmode\n"));
		dm_c->devmode=PRS_ALLOC_MEM(ps,DEVICEMODE,1);
		if(dm_c->devmode == NULL)
			return False;
	}
	
	/* this is bad code, shouldn't be there */
	if (!prs_uint32("size", ps, depth, &dm_c->size))
		return False;
		
	if (!spoolss_io_devmode(desc, ps, depth, dm_c->devmode))
		return False;

	return True;
}

/*******************************************************************
********************************************************************/  

static bool spoolss_io_printer_default(const char *desc, PRINTER_DEFAULT *pd, prs_struct *ps, int depth)
{
	if (pd==NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_printer_default");
	depth++;

	if (!prs_uint32("datatype_ptr", ps, depth, &pd->datatype_ptr))
		return False;

	if (!smb_io_unistr2("datatype", &pd->datatype, pd->datatype_ptr, ps,depth))
		return False;
	
	if (!prs_align(ps))
		return False;

	if (!spoolss_io_devmode_cont("", &pd->devmode_cont, ps, depth))
		return False;

	if (!prs_align(ps))
		return False;

	if (!prs_uint32("access_required", ps, depth, &pd->access_required))
		return False;

	return True;
}

/*******************************************************************
 * init a structure.
 ********************************************************************/

bool make_spoolss_q_open_printer_ex(SPOOL_Q_OPEN_PRINTER_EX *q_u,
		const fstring printername, 
		const fstring datatype, 
		uint32 access_required,
		const fstring clientname,
		const fstring user_name)
{
	DEBUG(5,("make_spoolss_q_open_printer_ex\n"));

	q_u->printername = TALLOC_P( talloc_tos(), UNISTR2 );
	if (!q_u->printername) {
		return False;
	}
	init_unistr2(q_u->printername, printername, UNI_STR_TERMINATE);

	q_u->printer_default.datatype_ptr = 0;

	q_u->printer_default.devmode_cont.size=0;
	q_u->printer_default.devmode_cont.devmode_ptr=0;
	q_u->printer_default.devmode_cont.devmode=NULL;
	q_u->printer_default.access_required=access_required;

	q_u->user_switch = 1;
	
	q_u->user_ctr.level                 = 1;
	q_u->user_ctr.user.user1            = TALLOC_P( talloc_tos(), SPOOL_USER_1 );
	if (!q_u->user_ctr.user.user1) {
		return False;
	}
	q_u->user_ctr.user.user1->size      = strlen(clientname) + strlen(user_name) + 10;
	q_u->user_ctr.user.user1->build     = 1381;
	q_u->user_ctr.user.user1->major     = 2;
	q_u->user_ctr.user.user1->minor     = 0;
	q_u->user_ctr.user.user1->processor = 0;

	q_u->user_ctr.user.user1->client_name = TALLOC_P( talloc_tos(), UNISTR2 );
	if (!q_u->user_ctr.user.user1->client_name) {
		return False;
	}
	q_u->user_ctr.user.user1->user_name   = TALLOC_P( talloc_tos(), UNISTR2 );
	if (!q_u->user_ctr.user.user1->user_name) {
		return False;
	}

	init_unistr2(q_u->user_ctr.user.user1->client_name, clientname, UNI_STR_TERMINATE);
	init_unistr2(q_u->user_ctr.user.user1->user_name, user_name, UNI_STR_TERMINATE);
	
	return True;
}

/*******************************************************************
 * init a structure.
 ********************************************************************/

bool make_spoolss_q_addprinterex( TALLOC_CTX *mem_ctx, SPOOL_Q_ADDPRINTEREX *q_u, 
	const char *srv_name, const char* clientname, const char* user_name,
	uint32 level, PRINTER_INFO_CTR *ctr)
{
	DEBUG(5,("make_spoolss_q_addprinterex\n"));
	
	if (!ctr || !ctr->printers_2) 
		return False;

	ZERO_STRUCTP(q_u);

	q_u->server_name = TALLOC_P( mem_ctx, UNISTR2 );
	if (!q_u->server_name) {
		return False;
	}
	init_unistr2(q_u->server_name, srv_name, UNI_FLAGS_NONE);

	q_u->level = level;
	
	q_u->info.level = level;
	q_u->info.info_ptr = (ctr->printers_2!=NULL)?1:0;
	switch (level) {
		case 2:
			/* init q_u->info.info2 from *info */
			if (!make_spoolss_printer_info_2(mem_ctx, &q_u->info.info_2, ctr->printers_2)) {
				DEBUG(0,("make_spoolss_q_addprinterex: Unable to fill SPOOL_Q_ADDPRINTEREX struct!\n"));
				return False;
			}
			break;
		default :
			break;
	}

	q_u->user_switch=1;

	q_u->user_ctr.level		    = 1;
	q_u->user_ctr.user.user1            = TALLOC_P( talloc_tos(), SPOOL_USER_1 );
	if (!q_u->user_ctr.user.user1) {
		return False;
	}
	q_u->user_ctr.user.user1->build     = 1381;
	q_u->user_ctr.user.user1->major     = 2; 
	q_u->user_ctr.user.user1->minor     = 0;
	q_u->user_ctr.user.user1->processor = 0;

	q_u->user_ctr.user.user1->client_name = TALLOC_P( mem_ctx, UNISTR2 );
	if (!q_u->user_ctr.user.user1->client_name) {
		return False;
	}
	q_u->user_ctr.user.user1->user_name   = TALLOC_P( mem_ctx, UNISTR2 );
	if (!q_u->user_ctr.user.user1->user_name) {
		return False;
	}
	init_unistr2(q_u->user_ctr.user.user1->client_name, clientname, UNI_STR_TERMINATE);
	init_unistr2(q_u->user_ctr.user.user1->user_name, user_name, UNI_STR_TERMINATE);

	q_u->user_ctr.user.user1->size = q_u->user_ctr.user.user1->user_name->uni_str_len +
	                           q_u->user_ctr.user.user1->client_name->uni_str_len + 2;
	
	return True;
}
	
/*******************************************************************
create a SPOOL_PRINTER_INFO_2 stuct from a PRINTER_INFO_2 struct
*******************************************************************/

bool make_spoolss_printer_info_2(TALLOC_CTX *ctx, SPOOL_PRINTER_INFO_LEVEL_2 **spool_info2, 
				PRINTER_INFO_2 *info)
{

	SPOOL_PRINTER_INFO_LEVEL_2 *inf;

	/* allocate the necessary memory */
	if (!(inf=TALLOC_P(ctx, SPOOL_PRINTER_INFO_LEVEL_2))) {
		DEBUG(0,("make_spoolss_printer_info_2: Unable to allocate SPOOL_PRINTER_INFO_LEVEL_2 sruct!\n"));
		return False;
	}

	inf->servername_ptr 	= (info->servername.buffer!=NULL)?1:0;
	inf->printername_ptr 	= (info->printername.buffer!=NULL)?1:0;
	inf->sharename_ptr 	= (info->sharename.buffer!=NULL)?1:0;
	inf->portname_ptr 	= (info->portname.buffer!=NULL)?1:0;
	inf->drivername_ptr 	= (info->drivername.buffer!=NULL)?1:0;
	inf->comment_ptr 	= (info->comment.buffer!=NULL)?1:0;
	inf->location_ptr 	= (info->location.buffer!=NULL)?1:0;
	inf->devmode_ptr 	= (info->devmode!=NULL)?1:0;
	inf->sepfile_ptr 	= (info->sepfile.buffer!=NULL)?1:0;
	inf->printprocessor_ptr = (info->printprocessor.buffer!=NULL)?1:0;
	inf->datatype_ptr 	= (info->datatype.buffer!=NULL)?1:0;
	inf->parameters_ptr 	= (info->parameters.buffer!=NULL)?1:0;
	inf->secdesc_ptr 	= (info->secdesc!=NULL)?1:0;
	inf->attributes 	= info->attributes;
	inf->priority 		= info->priority;
	inf->default_priority 	= info->defaultpriority;
	inf->starttime		= info->starttime;
	inf->untiltime		= info->untiltime;
	inf->cjobs		= info->cjobs;
	inf->averageppm	= info->averageppm;
	init_unistr2_from_unistr(inf, &inf->servername,	&info->servername);
	init_unistr2_from_unistr(inf, &inf->printername, &info->printername);
	init_unistr2_from_unistr(inf, &inf->sharename, &info->sharename);
	init_unistr2_from_unistr(inf, &inf->portname, &info->portname);
	init_unistr2_from_unistr(inf, &inf->drivername, &info->drivername);
	init_unistr2_from_unistr(inf, &inf->comment, &info->comment);
	init_unistr2_from_unistr(inf, &inf->location, &info->location);
	init_unistr2_from_unistr(inf, &inf->sepfile, &info->sepfile);
	init_unistr2_from_unistr(inf, &inf->printprocessor, &info->printprocessor);
	init_unistr2_from_unistr(inf, &inf->datatype, &info->datatype);
	init_unistr2_from_unistr(inf, &inf->parameters, &info->parameters);
	init_unistr2_from_unistr(inf, &inf->datatype, &info->datatype);

	*spool_info2 = inf;

	return True;
}

/*******************************************************************
create a SPOOL_PRINTER_INFO_3 struct from a PRINTER_INFO_3 struct
*******************************************************************/

bool make_spoolss_printer_info_3(TALLOC_CTX *mem_ctx, SPOOL_PRINTER_INFO_LEVEL_3 **spool_info3, 
				PRINTER_INFO_3 *info)
{

	SPOOL_PRINTER_INFO_LEVEL_3 *inf;

	/* allocate the necessary memory */
	if (!(inf=TALLOC_P(mem_ctx, SPOOL_PRINTER_INFO_LEVEL_3))) {
		DEBUG(0,("make_spoolss_printer_info_3: Unable to allocate SPOOL_PRINTER_INFO_LEVEL_3 sruct!\n"));
		return False;
	}
	
	inf->secdesc_ptr 	= (info->secdesc!=NULL)?1:0;

	*spool_info3 = inf;

	return True;
}

/*******************************************************************
create a SPOOL_PRINTER_INFO_7 struct from a PRINTER_INFO_7 struct
*******************************************************************/

bool make_spoolss_printer_info_7(TALLOC_CTX *mem_ctx, SPOOL_PRINTER_INFO_LEVEL_7 **spool_info7, 
				PRINTER_INFO_7 *info)
{

	SPOOL_PRINTER_INFO_LEVEL_7 *inf;

	/* allocate the necessary memory */
	if (!(inf=TALLOC_P(mem_ctx, SPOOL_PRINTER_INFO_LEVEL_7))) {
		DEBUG(0,("make_spoolss_printer_info_7: Unable to allocate SPOOL_PRINTER_INFO_LEVEL_7 struct!\n"));
		return False;
	}

	inf->guid_ptr = (info->guid.buffer!=NULL)?1:0;
	inf->action = info->action;
	init_unistr2_from_unistr(inf, &inf->guid, &info->guid);

	*spool_info7 = inf;

	return True;
}


/*******************************************************************
 * read a structure.
 * called from spoolss_q_open_printer_ex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_open_printer(const char *desc, SPOOL_Q_OPEN_PRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_open_printer");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_io_unistr2_p("ptr", ps, depth, &q_u->printername))
		return False;
	if (!prs_io_unistr2("printername", ps, depth, q_u->printername))
		return False;
	
	if (!prs_align(ps))
		return False;

	if (!spoolss_io_printer_default("", &q_u->printer_default, ps, depth))
		return False;
		
	return True;
}

/*******************************************************************
 * write a structure.
 * called from static spoolss_r_open_printer_ex (srv_spoolss.c)
 * called from spoolss_open_printer_ex (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_open_printer(const char *desc, SPOOL_R_OPEN_PRINTER *r_u, prs_struct *ps, int depth)
{
	if (r_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_r_open_printer");
	depth++;
	
	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&(r_u->handle),ps,depth))
		return False;	

	if (!prs_werror("status code", ps, depth, &(r_u->status)))
		return False;
		
	return True;
}


/*******************************************************************
 * read a structure.
 * called from spoolss_q_open_printer_ex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_open_printer_ex(const char *desc, SPOOL_Q_OPEN_PRINTER_EX *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_open_printer_ex");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_io_unistr2_p("ptr", ps, depth, &q_u->printername))
		return False;
	if (!prs_io_unistr2("printername", ps, depth, q_u->printername))
		return False;
	
	if (!prs_align(ps))
		return False;

	if (!spoolss_io_printer_default("", &q_u->printer_default, ps, depth))
		return False;

	if (!prs_uint32("user_switch", ps, depth, &q_u->user_switch))
		return False;	
	if (!spool_io_user_level("", &q_u->user_ctr, ps, depth))
		return False;
	
	return True;
}

/*******************************************************************
 * write a structure.
 * called from static spoolss_r_open_printer_ex (srv_spoolss.c)
 * called from spoolss_open_printer_ex (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_open_printer_ex(const char *desc, SPOOL_R_OPEN_PRINTER_EX *r_u, prs_struct *ps, int depth)
{
	if (r_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_r_open_printer_ex");
	depth++;
	
	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&(r_u->handle),ps,depth))
		return False;

	if (!prs_werror("status code", ps, depth, &(r_u->status)))
		return False;

	return True;
}

/*******************************************************************
 * init a structure.
 ********************************************************************/
bool make_spoolss_q_deleteprinterdriverex( TALLOC_CTX *mem_ctx,
                                           SPOOL_Q_DELETEPRINTERDRIVEREX *q_u, 
                                           const char *server,
                                           const char* arch, 
                                           const char* driver,
                                           int version)
{
	DEBUG(5,("make_spoolss_q_deleteprinterdriverex\n"));
 
	q_u->server_ptr = (server!=NULL)?1:0;
	q_u->delete_flags = DPD_DELETE_UNUSED_FILES;
 
	/* these must be NULL terminated or else NT4 will
	   complain about invalid parameters --jerry */
	init_unistr2(&q_u->server, server, UNI_STR_TERMINATE);
	init_unistr2(&q_u->arch, arch, UNI_STR_TERMINATE);
	init_unistr2(&q_u->driver, driver, UNI_STR_TERMINATE);

	if (version >= 0) { 
		q_u->delete_flags |= DPD_DELETE_SPECIFIC_VERSION;
		q_u->version = version;
	}

	return True;
}


/*******************************************************************
 * init a structure.
 ********************************************************************/
bool make_spoolss_q_deleteprinterdriver(
	TALLOC_CTX *mem_ctx,
	SPOOL_Q_DELETEPRINTERDRIVER *q_u, 
	const char *server,
	const char* arch, 
	const char* driver 
)
{
	DEBUG(5,("make_spoolss_q_deleteprinterdriver\n"));
	
	q_u->server_ptr = (server!=NULL)?1:0;

	/* these must be NULL terminated or else NT4 will
	   complain about invalid parameters --jerry */
	init_unistr2(&q_u->server, server, UNI_STR_TERMINATE);
	init_unistr2(&q_u->arch, arch, UNI_STR_TERMINATE);
	init_unistr2(&q_u->driver, driver, UNI_STR_TERMINATE);
	
	return True;
}

/*******************************************************************
 * make a structure.
 ********************************************************************/

bool make_spoolss_q_getprinterdata(SPOOL_Q_GETPRINTERDATA *q_u,
				   const POLICY_HND *handle,
				   const char *valuename, uint32 size)
{
        if (q_u == NULL) return False;

        DEBUG(5,("make_spoolss_q_getprinterdata\n"));

        q_u->handle = *handle;
	init_unistr2(&q_u->valuename, valuename, UNI_STR_TERMINATE);
        q_u->size = size;

        return True;
}

/*******************************************************************
 * make a structure.
 ********************************************************************/

bool make_spoolss_q_getprinterdataex(SPOOL_Q_GETPRINTERDATAEX *q_u,
				     const POLICY_HND *handle,
				     const char *keyname, 
				     const char *valuename, uint32 size)
{
        if (q_u == NULL) return False;

        DEBUG(5,("make_spoolss_q_getprinterdataex\n"));

        q_u->handle = *handle;
	init_unistr2(&q_u->valuename, valuename, UNI_STR_TERMINATE);
	init_unistr2(&q_u->keyname, keyname, UNI_STR_TERMINATE);
        q_u->size = size;

        return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_getprinterdata (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_getprinterdata(const char *desc, SPOOL_Q_GETPRINTERDATA *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_getprinterdata");
	depth++;

	if (!prs_align(ps))
		return False;
	if (!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;
	if (!prs_align(ps))
		return False;
	if (!smb_io_unistr2("valuename", &q_u->valuename,True,ps,depth))
		return False;
	if (!prs_align(ps))
		return False;
	if (!prs_uint32("size", ps, depth, &q_u->size))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_deleteprinterdata (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_deleteprinterdata(const char *desc, SPOOL_Q_DELETEPRINTERDATA *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_deleteprinterdata");
	depth++;

	if (!prs_align(ps))
		return False;
	if (!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;
	if (!prs_align(ps))
		return False;
	if (!smb_io_unistr2("valuename", &q_u->valuename,True,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_deleteprinterdata (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_deleteprinterdata(const char *desc, SPOOL_R_DELETEPRINTERDATA *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_deleteprinterdata");
	depth++;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_deleteprinterdataex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_deleteprinterdataex(const char *desc, SPOOL_Q_DELETEPRINTERDATAEX *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_deleteprinterdataex");
	depth++;

	if (!prs_align(ps))
		return False;
	if (!smb_io_pol_hnd("printer handle", &q_u->handle, ps, depth))
		return False;
	
	if (!smb_io_unistr2("keyname  ", &q_u->keyname, True, ps, depth))
		return False;
	if (!smb_io_unistr2("valuename", &q_u->valuename, True, ps, depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_deleteprinterdataex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_deleteprinterdataex(const char *desc, SPOOL_R_DELETEPRINTERDATAEX *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_deleteprinterdataex");
	depth++;
	
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_getprinterdata (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_getprinterdata(const char *desc, SPOOL_R_GETPRINTERDATA *r_u, prs_struct *ps, int depth)
{
	if (r_u == NULL)
		return False;

	prs_debug(ps, depth, desc, "spoolss_io_r_getprinterdata");
	depth++;

	if (!prs_align(ps))
		return False;
	if (!prs_uint32("type", ps, depth, &r_u->type))
		return False;
	if (!prs_uint32("size", ps, depth, &r_u->size))
		return False;
	
	if (UNMARSHALLING(ps) && r_u->size) {
		r_u->data = PRS_ALLOC_MEM(ps, unsigned char, r_u->size);
		if(!r_u->data)
			return False;
	}

	if (!prs_uint8s( False, "data", ps, depth, r_u->data, r_u->size ))
		return False;
		
	if (!prs_align(ps))
		return False;
	
	if (!prs_uint32("needed", ps, depth, &r_u->needed))
		return False;
	if (!prs_werror("status", ps, depth, &r_u->status))
		return False;
		
	return True;
}

/*******************************************************************
 * make a structure.
 ********************************************************************/

bool make_spoolss_q_closeprinter(SPOOL_Q_CLOSEPRINTER *q_u, POLICY_HND *hnd)
{
	if (q_u == NULL) return False;

	DEBUG(5,("make_spoolss_q_closeprinter\n"));

	memcpy(&q_u->handle, hnd, sizeof(q_u->handle));

	return True;
}

/*******************************************************************
 * read a structure.
 * called from static spoolss_q_abortprinter (srv_spoolss.c)
 * called from spoolss_abortprinter (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_abortprinter(const char *desc, SPOOL_Q_ABORTPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_abortprinter");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_abortprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_abortprinter(const char *desc, SPOOL_R_ABORTPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_abortprinter");
	depth++;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from static spoolss_q_deleteprinter (srv_spoolss.c)
 * called from spoolss_deleteprinter (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_deleteprinter(const char *desc, SPOOL_Q_DELETEPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_deleteprinter");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from static spoolss_r_deleteprinter (srv_spoolss.c)
 * called from spoolss_deleteprinter (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_deleteprinter(const char *desc, SPOOL_R_DELETEPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_deleteprinter");
	depth++;
	
	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&r_u->handle,ps,depth))
		return False;
	if (!prs_werror("status", ps, depth, &r_u->status))
		return False;
	
	return True;
}


/*******************************************************************
 * read a structure.
 * called from api_spoolss_deleteprinterdriver (srv_spoolss.c)
 * called from spoolss_deleteprinterdriver (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_deleteprinterdriver(const char *desc, SPOOL_Q_DELETEPRINTERDRIVER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_deleteprinterdriver");
	depth++;

	if (!prs_align(ps))
		return False;

	if(!prs_uint32("server_ptr", ps, depth, &q_u->server_ptr))
		return False;		
	if(!smb_io_unistr2("server", &q_u->server, q_u->server_ptr, ps, depth))
		return False;
	if(!smb_io_unistr2("arch", &q_u->arch, True, ps, depth))
		return False;
	if(!smb_io_unistr2("driver", &q_u->driver, True, ps, depth))
		return False;


	return True;
}


/*******************************************************************
 * write a structure.
 ********************************************************************/
bool spoolss_io_r_deleteprinterdriver(const char *desc, SPOOL_R_DELETEPRINTERDRIVER *r_u, prs_struct *ps, int depth)
{
	if (r_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_r_deleteprinterdriver");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}


/*******************************************************************
 * read a structure.
 * called from api_spoolss_deleteprinterdriver (srv_spoolss.c)
 * called from spoolss_deleteprinterdriver (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_deleteprinterdriverex(const char *desc, SPOOL_Q_DELETEPRINTERDRIVEREX *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_deleteprinterdriverex");
	depth++;

	if (!prs_align(ps))
		return False;

	if(!prs_uint32("server_ptr", ps, depth, &q_u->server_ptr))
		return False;		
	if(!smb_io_unistr2("server", &q_u->server, q_u->server_ptr, ps, depth))
		return False;
	if(!smb_io_unistr2("arch", &q_u->arch, True, ps, depth))
		return False;
	if(!smb_io_unistr2("driver", &q_u->driver, True, ps, depth))
		return False;

	if (!prs_align(ps))
		return False;

	if(!prs_uint32("delete_flags ", ps, depth, &q_u->delete_flags))
		return False;		
	if(!prs_uint32("version      ", ps, depth, &q_u->version))
		return False;		


	return True;
}


/*******************************************************************
 * write a structure.
 ********************************************************************/
bool spoolss_io_r_deleteprinterdriverex(const char *desc, SPOOL_R_DELETEPRINTERDRIVEREX *r_u, prs_struct *ps, int depth)
{
	if (r_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_r_deleteprinterdriverex");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}



/*******************************************************************
 * read a structure.
 * called from static spoolss_q_closeprinter (srv_spoolss.c)
 * called from spoolss_closeprinter (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_closeprinter(const char *desc, SPOOL_Q_CLOSEPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_closeprinter");
	depth++;

	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from static spoolss_r_closeprinter (srv_spoolss.c)
 * called from spoolss_closeprinter (cli_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_closeprinter(const char *desc, SPOOL_R_CLOSEPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_closeprinter");
	depth++;
	
	if (!prs_align(ps))
		return False;

	if (!smb_io_pol_hnd("printer handle",&r_u->handle,ps,depth))
		return False;
	if (!prs_werror("status", ps, depth, &r_u->status))
		return False;
	
	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_startdocprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_startdocprinter(const char *desc, SPOOL_Q_STARTDOCPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_startdocprinter");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;
	
	if(!smb_io_doc_info_container("",&q_u->doc_info_container, ps, depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_startdocprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_startdocprinter(const char *desc, SPOOL_R_STARTDOCPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_startdocprinter");
	depth++;
	if(!prs_uint32("jobid", ps, depth, &r_u->jobid))
		return False;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_enddocprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_enddocprinter(const char *desc, SPOOL_Q_ENDDOCPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_enddocprinter");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_enddocprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_enddocprinter(const char *desc, SPOOL_R_ENDDOCPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_enddocprinter");
	depth++;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_startpageprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_startpageprinter(const char *desc, SPOOL_Q_STARTPAGEPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_startpageprinter");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_startpageprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_startpageprinter(const char *desc, SPOOL_R_STARTPAGEPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_startpageprinter");
	depth++;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_endpageprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_endpageprinter(const char *desc, SPOOL_Q_ENDPAGEPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_endpageprinter");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_endpageprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_endpageprinter(const char *desc, SPOOL_R_ENDPAGEPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_endpageprinter");
	depth++;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_writeprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_writeprinter(const char *desc, SPOOL_Q_WRITEPRINTER *q_u, prs_struct *ps, int depth)
{
	if (q_u == NULL) return False;

	prs_debug(ps, depth, desc, "spoolss_io_q_writeprinter");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;
	if(!prs_uint32("buffer_size", ps, depth, &q_u->buffer_size))
		return False;
	
	if (q_u->buffer_size!=0)
	{
		if (UNMARSHALLING(ps))
			q_u->buffer=PRS_ALLOC_MEM(ps, uint8, q_u->buffer_size);
		if(q_u->buffer == NULL)
			return False;	
		if(!prs_uint8s(True, "buffer", ps, depth, q_u->buffer, q_u->buffer_size))
			return False;
	}
	if(!prs_align(ps))
		return False;
	if(!prs_uint32("buffer_size2", ps, depth, &q_u->buffer_size2))
		return False;

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_writeprinter (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_writeprinter(const char *desc, SPOOL_R_WRITEPRINTER *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_writeprinter");
	depth++;
	if(!prs_uint32("buffer_written", ps, depth, &r_u->buffer_written))
		return False;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_rffpcnex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_rffpcnex(const char *desc, SPOOL_Q_RFFPCNEX *q_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_q_rffpcnex");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle", &q_u->handle, ps, depth))
		return False;
	if(!prs_uint32("flags", ps, depth, &q_u->flags))
		return False;
	if(!prs_uint32("options", ps, depth, &q_u->options))
		return False;
	if(!prs_uint32("localmachine_ptr", ps, depth, &q_u->localmachine_ptr))
		return False;
	if(!smb_io_unistr2("localmachine", &q_u->localmachine, q_u->localmachine_ptr, ps, depth))
		return False;

	if(!prs_align(ps))
		return False;
		
	if(!prs_uint32("printerlocal", ps, depth, &q_u->printerlocal))
		return False;

	if(!prs_uint32("option_ptr", ps, depth, &q_u->option_ptr))
		return False;
	
	if (q_u->option_ptr!=0) {
	
		if (UNMARSHALLING(ps))
			if((q_u->option=PRS_ALLOC_MEM(ps,SPOOL_NOTIFY_OPTION,1)) == NULL)
				return False;
	
		if(!smb_io_notify_option("notify option", q_u->option, ps, depth))
			return False;
	}
	
	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_rffpcnex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_rffpcnex(const char *desc, SPOOL_R_RFFPCNEX *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_rffpcnex");
	depth++;

	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * read a structure.
 * called from spoolss_q_rfnpcnex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_q_rfnpcnex(const char *desc, SPOOL_Q_RFNPCNEX *q_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_q_rfnpcnex");
	depth++;

	if(!prs_align(ps))
		return False;

	if(!smb_io_pol_hnd("printer handle",&q_u->handle,ps,depth))
		return False;

	if(!prs_uint32("change", ps, depth, &q_u->change))
		return False;
	
	if(!prs_uint32("option_ptr", ps, depth, &q_u->option_ptr))
		return False;
	
	if (q_u->option_ptr!=0) {
	
		if (UNMARSHALLING(ps))
			if((q_u->option=PRS_ALLOC_MEM(ps,SPOOL_NOTIFY_OPTION,1)) == NULL)
				return False;
	
		if(!smb_io_notify_option("notify option", q_u->option, ps, depth))
			return False;
	}

	return True;
}

/*******************************************************************
 * write a structure.
 * called from spoolss_r_rfnpcnex (srv_spoolss.c)
 ********************************************************************/

bool spoolss_io_r_rfnpcnex(const char *desc, SPOOL_R_RFNPCNEX *r_u, prs_struct *ps, int depth)
{
	prs_debug(ps, depth, desc, "spoolss_io_r_rfnpcnex");
	depth++;

	if(!prs_align(ps))
		return False;
		
	if (!prs_uint32("info_ptr", ps, depth, &r_u->info_ptr))
		return False;

	if(!smb_io_notify_info("notify info", &r_u->info ,ps,depth))
		return False;
	
	if(!prs_align(ps))
		return False;
	if(!prs_werror("status", ps, depth, &r_u->status))
		return False;

	return True;
}

/*******************************************************************
 * return the length of a uint16 (obvious, but the code is clean)
 ********************************************************************/

static uint32 size_of_uint16(uint16 *value)
{
	return (sizeof(*value));
}

/*******************************************************************
 * return the length of a uint32 (obvious, but the code is clean)
 ********************************************************************/

static uint32 size_of_uint32(uint32 *value)
{
	return (sizeof(*value));
}

/*******************************************************************
 * return the length of a NTTIME (obvious, but the code is clean)
 ********************************************************************/

static uint32 size_of_nttime(NTTIME *value)
{
	return (sizeof(*value));
}

/*******************************************************************
 * return the length of a uint32 (obvious, but the code is clean)
 ********************************************************************/

static uint32 size_of_device_mode(DEVICEMODE *devmode)
{
	if (devmode==NULL)
		return (4);
	else 
		return (4+devmode->size+devmode->driverextra);
}

/*******************************************************************
 * return the length of a uint32 (obvious, but the code is clean)
 ********************************************************************/

static uint32 size_of_systemtime(SYSTEMTIME *systime)
{
	if (systime==NULL)
		return (4);
	else 
		return (sizeof(SYSTEMTIME) +4);
}

/*******************************************************************
 Parse a DEVMODE structure and its relative pointer.
********************************************************************/

static bool smb_io_reldevmode(const char *desc, RPC_BUFFER *buffer, int depth, DEVICEMODE **devmode)
{
	prs_struct *ps=&buffer->prs;

	prs_debug(ps, depth, desc, "smb_io_reldevmode");
	depth++;

	if (MARSHALLING(ps)) {
		uint32 struct_offset = prs_offset(ps);
		uint32 relative_offset;
		
		if (*devmode == NULL) {
			relative_offset=0;
			if (!prs_uint32("offset", ps, depth, &relative_offset))
				return False;
			DEBUG(8, ("boing, the devmode was NULL\n"));
			
			return True;
		}
		
		buffer->string_at_end -= ((*devmode)->size + (*devmode)->driverextra);
		
		if(!prs_set_offset(ps, buffer->string_at_end))
			return False;
		
		/* write the DEVMODE */
		if (!spoolss_io_devmode(desc, ps, depth, *devmode))
			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) {
			*devmode = NULL;
			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((*devmode=PRS_ALLOC_MEM(ps,DEVICEMODE,1)) == NULL)
			return False;
		if (!spoolss_io_devmode(desc, ps, depth, *devmode))
			return False;

		if(!prs_set_offset(ps, old_offset))
			return False;
	}
	return True;
}

/*******************************************************************
 Parse a PRINTER_INFO_0 structure.
********************************************************************/  

bool smb_io_printer_info_0(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_0 *info, int depth)
{
	prs_struct *ps=&buffer->prs;

	prs_debug(ps, depth, desc, "smb_io_printer_info_0");
	depth++;	
	
	buffer->struct_start=prs_offset(ps);

	if (!smb_io_relstr("printername", buffer, depth, &info->printername))
		return False;
	if (!smb_io_relstr("servername", buffer, depth, &info->servername))
		return False;
	
	if(!prs_uint32("cjobs", ps, depth, &info->cjobs))
		return False;
	if(!prs_uint32("total_jobs", ps, depth, &info->total_jobs))
		return False;
	if(!prs_uint32("total_bytes", ps, depth, &info->total_bytes))
		return False;

	if(!prs_uint16("year", ps, depth, &info->year))
		return False;
	if(!prs_uint16("month", ps, depth, &info->month))
		return False;
	if(!prs_uint16("dayofweek", ps, depth, &info->dayofweek))
		return False;
	if(!prs_uint16("day", ps, depth, &info->day))
		return False;
	if(!prs_uint16("hour", ps, depth, &info->hour))
		return False;
	if(!prs_uint16("minute", ps, depth, &info->minute))
		return False;
	if(!prs_uint16("second", ps, depth, &info->second))
		return False;
	if(!prs_uint16("milliseconds", ps, depth, &info->milliseconds))
		return False;

	if(!prs_uint32("global_counter", ps, depth, &info->global_counter))
		return False;
	if(!prs_uint32("total_pages", ps, depth, &info->total_pages))
		return False;

	if(!prs_uint16("major_version", ps, depth, &info->major_version))
		return False;
	if(!prs_uint16("build_version", ps, depth, &info->build_version))
		return False;
	if(!prs_uint32("unknown7", ps, depth, &info->unknown7))
		return False;
	if(!prs_uint32("unknown8", ps, depth, &info->unknown8))
		return False;
	if(!prs_uint32("unknown9", ps, depth, &info->unknown9))
		return False;
	if(!prs_uint32("session_counter", ps, depth, &info->session_counter))
		return False;
	if(!prs_uint32("unknown11", ps, depth, &info->unknown11))
		return False;
	if(!prs_uint32("printer_errors", ps, depth, &info->printer_errors))
		return False;
	if(!prs_uint32("unknown13", ps, depth, &info->unknown13))
		return False;
	if(!prs_uint32("unknown14", ps, depth, &info->unknown14))
		return False;
	if(!prs_uint32("unknown15", ps, depth, &info->unknown15))
		return False;
	if(!prs_uint32("unknown16", ps, depth, &info->unknown16))
		return False;
	if(!prs_uint32("change_id", ps, depth, &info->change_id))
		return False;
	if(!prs_uint32("unknown18", ps, depth, &info->unknown18))
		return False;
	if(!prs_uint32("status"   , ps, depth, &info->status))
		return False;
	if(!prs_uint32("unknown20", ps, depth, &info->unknown20))
		return False;
	if(!prs_uint32("c_setprinter", ps, depth, &info->c_setprinter))
		return False;
	if(!prs_uint16("unknown22", ps, depth, &info->unknown22))
		return False;
	if(!prs_uint16("unknown23", ps, depth, &info->unknown23))
		return False;
	if(!prs_uint16("unknown24", ps, depth, &info->unknown24))
		return False;
	if(!prs_uint16("unknown25", ps, depth, &info->unknown25))
		return False;
	if(!prs_uint16("unknown26", ps, depth, &info->unknown26))
		return False;
	if(!prs_uint16("unknown27", ps, depth, &info->unknown27))
		return False;
	if(!prs_uint16("unknown28", ps, depth, &info->unknown28))
		return False;
	if(!prs_uint16("unknown29", ps, depth, &info->unknown29))
		return False;

	return True;
}

/*******************************************************************
 Parse a PRINTER_INFO_1 structure.
********************************************************************/  

bool smb_io_printer_info_1(const char *desc, RPC_BUFFER *buffer, PRINTER_INFO_1 *info, int depth)
{
	prs_struct *ps=&buffer->prs;

	prs_debug(ps, depth, desc, "smb_io_printer_info_1");
	depth++;	
	
	buffer->struct_start=prs_offset(ps);

	if (!prs_uint32("flags", ps, depth, &info->flags))
		return False;
	if (!smb_io_relstr("description", buffer, depth, &info->description))