nt_printing.c

samba-3.0.22.tar.gz 编译smb服务器的源码

/*
 *  Unix SMB/CIFS implementation.
 *  RPC Pipe client / server routines
 *  Copyright (C) Andrew Tridgell              1992-2000,
 *  Copyright (C) Jean François Micouleau      1998-2000.
 *  Copyright (C) Gerald Carter                2002-2005.
 *
 *  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"

extern struct current_user current_user;

static TDB_CONTEXT *tdb_forms; /* used for forms files */
static TDB_CONTEXT *tdb_drivers; /* used for driver files */
static TDB_CONTEXT *tdb_printers; /* used for printers files */

#define FORMS_PREFIX "FORMS/"
#define DRIVERS_PREFIX "DRIVERS/"
#define DRIVER_INIT_PREFIX "DRIVER_INIT/"
#define PRINTERS_PREFIX "PRINTERS/"
#define SECDESC_PREFIX "SECDESC/"
#define GLOBAL_C_SETPRINTER "GLOBALS/c_setprinter"
 
#define NTDRIVERS_DATABASE_VERSION_1 1
#define NTDRIVERS_DATABASE_VERSION_2 2
#define NTDRIVERS_DATABASE_VERSION_3 3 /* little endian version of v2 */
#define NTDRIVERS_DATABASE_VERSION_4 4 /* fix generic bits in security descriptors */
#define NTDRIVERS_DATABASE_VERSION_5 5 /* normalize keys in ntprinters.tdb */

/* Map generic permissions to printer object specific permissions */

GENERIC_MAPPING printer_generic_mapping = {
	PRINTER_READ,
	PRINTER_WRITE,
	PRINTER_EXECUTE,
	PRINTER_ALL_ACCESS
};

STANDARD_MAPPING printer_std_mapping = {
	PRINTER_READ,
	PRINTER_WRITE,
	PRINTER_EXECUTE,
	PRINTER_ALL_ACCESS
};

/* Map generic permissions to print server object specific permissions */

GENERIC_MAPPING printserver_generic_mapping = {
	SERVER_READ,
	SERVER_WRITE,
	SERVER_EXECUTE,
	SERVER_ALL_ACCESS
};

STANDARD_MAPPING printserver_std_mapping = {
	SERVER_READ,
	SERVER_WRITE,
	SERVER_EXECUTE,
	SERVER_ALL_ACCESS
};

/* We need one default form to support our default printer. Msoft adds the
forms it wants and in the ORDER it wants them (note: DEVMODE papersize is an
array index). Letter is always first, so (for the current code) additions
always put things in the correct order. */
static const nt_forms_struct default_forms[] = {
	{"Letter",0x1,0x34b5c,0x44368,0x0,0x0,0x34b5c,0x44368},
	{"Letter Small",0x1,0x34b5c,0x44368,0x0,0x0,0x34b5c,0x44368},
	{"Tabloid",0x1,0x44368,0x696b8,0x0,0x0,0x44368,0x696b8},
	{"Ledger",0x1,0x696b8,0x44368,0x0,0x0,0x696b8,0x44368},
	{"Legal",0x1,0x34b5c,0x56d10,0x0,0x0,0x34b5c,0x56d10},
	{"Statement",0x1,0x221b4,0x34b5c,0x0,0x0,0x221b4,0x34b5c},
	{"Executive",0x1,0x2cf56,0x411cc,0x0,0x0,0x2cf56,0x411cc},
	{"A3",0x1,0x48828,0x668a0,0x0,0x0,0x48828,0x668a0},
	{"A4",0x1,0x33450,0x48828,0x0,0x0,0x33450,0x48828},
	{"A4 Small",0x1,0x33450,0x48828,0x0,0x0,0x33450,0x48828},
	{"A5",0x1,0x24220,0x33450,0x0,0x0,0x24220,0x33450},
	{"B4 (JIS)",0x1,0x3ebe8,0x58de0,0x0,0x0,0x3ebe8,0x58de0},
	{"B5 (JIS)",0x1,0x2c6f0,0x3ebe8,0x0,0x0,0x2c6f0,0x3ebe8},
	{"Folio",0x1,0x34b5c,0x509d8,0x0,0x0,0x34b5c,0x509d8},
	{"Quarto",0x1,0x347d8,0x43238,0x0,0x0,0x347d8,0x43238},
	{"10x14",0x1,0x3e030,0x56d10,0x0,0x0,0x3e030,0x56d10},
	{"11x17",0x1,0x44368,0x696b8,0x0,0x0,0x44368,0x696b8},
	{"Note",0x1,0x34b5c,0x44368,0x0,0x0,0x34b5c,0x44368},
	{"Envelope #9",0x1,0x18079,0x37091,0x0,0x0,0x18079,0x37091},
	{"Envelope #10",0x1,0x19947,0x3ae94,0x0,0x0,0x19947,0x3ae94},
	{"Envelope #11",0x1,0x1be7c,0x40565,0x0,0x0,0x1be7c,0x40565},
	{"Envelope #12",0x1,0x1d74a,0x44368,0x0,0x0,0x1d74a,0x44368},
	{"Envelope #14",0x1,0x1f018,0x47504,0x0,0x0,0x1f018,0x47504},
	{"C size sheet",0x1,0x696b8,0x886d0,0x0,0x0,0x696b8,0x886d0},
	{"D size sheet",0x1,0x886d0,0xd2d70,0x0,0x0,0x886d0,0xd2d70},
	{"E size sheet",0x1,0xd2d70,0x110da0,0x0,0x0,0xd2d70,0x110da0},
	{"Envelope DL",0x1,0x1adb0,0x35b60,0x0,0x0,0x1adb0,0x35b60},
	{"Envelope C5",0x1,0x278d0,0x37e88,0x0,0x0,0x278d0,0x37e88},
	{"Envelope C3",0x1,0x4f1a0,0x6fd10,0x0,0x0,0x4f1a0,0x6fd10},
	{"Envelope C4",0x1,0x37e88,0x4f1a0,0x0,0x0,0x37e88,0x4f1a0},
	{"Envelope C6",0x1,0x1bd50,0x278d0,0x0,0x0,0x1bd50,0x278d0},
	{"Envelope C65",0x1,0x1bd50,0x37e88,0x0,0x0,0x1bd50,0x37e88},
	{"Envelope B4",0x1,0x3d090,0x562e8,0x0,0x0,0x3d090,0x562e8},
	{"Envelope B5",0x1,0x2af80,0x3d090,0x0,0x0,0x2af80,0x3d090},
	{"Envelope B6",0x1,0x2af80,0x1e848,0x0,0x0,0x2af80,0x1e848},
	{"Envelope",0x1,0x1adb0,0x38270,0x0,0x0,0x1adb0,0x38270},
	{"Envelope Monarch",0x1,0x18079,0x2e824,0x0,0x0,0x18079,0x2e824},
	{"6 3/4 Envelope",0x1,0x167ab,0x284ec,0x0,0x0,0x167ab,0x284ec},
	{"US Std Fanfold",0x1,0x5c3e1,0x44368,0x0,0x0,0x5c3e1,0x44368},
	{"German Std Fanfold",0x1,0x34b5c,0x4a6a0,0x0,0x0,0x34b5c,0x4a6a0},
	{"German Legal Fanfold",0x1,0x34b5c,0x509d8,0x0,0x0,0x34b5c,0x509d8},
	{"B4 (ISO)",0x1,0x3d090,0x562e8,0x0,0x0,0x3d090,0x562e8},
	{"Japanese Postcard",0x1,0x186a0,0x24220,0x0,0x0,0x186a0,0x24220},
	{"9x11",0x1,0x37cf8,0x44368,0x0,0x0,0x37cf8,0x44368},
	{"10x11",0x1,0x3e030,0x44368,0x0,0x0,0x3e030,0x44368},
	{"15x11",0x1,0x5d048,0x44368,0x0,0x0,0x5d048,0x44368},
	{"Envelope Invite",0x1,0x35b60,0x35b60,0x0,0x0,0x35b60,0x35b60},
	{"Reserved48",0x1,0x1,0x1,0x0,0x0,0x1,0x1},
	{"Reserved49",0x1,0x1,0x1,0x0,0x0,0x1,0x1},
	{"Letter Extra",0x1,0x3ae94,0x4a6a0,0x0,0x0,0x3ae94,0x4a6a0},
	{"Legal Extra",0x1,0x3ae94,0x5d048,0x0,0x0,0x3ae94,0x5d048},
	{"Tabloid Extra",0x1,0x4a6a0,0x6f9f0,0x0,0x0,0x4a6a0,0x6f9f0},
	{"A4 Extra",0x1,0x397c2,0x4eb16,0x0,0x0,0x397c2,0x4eb16},
	{"Letter Transverse",0x1,0x34b5c,0x44368,0x0,0x0,0x34b5c,0x44368},
	{"A4 Transverse",0x1,0x33450,0x48828,0x0,0x0,0x33450,0x48828},
	{"Letter Extra Transverse",0x1,0x3ae94,0x4a6a0,0x0,0x0,0x3ae94,0x4a6a0},
	{"Super A",0x1,0x376b8,0x56ea0,0x0,0x0,0x376b8,0x56ea0},
	{"Super B",0x1,0x4a768,0x76e58,0x0,0x0,0x4a768,0x76e58},
	{"Letter Plus",0x1,0x34b5c,0x4eb16,0x0,0x0,0x34b5c,0x4eb16},
	{"A4 Plus",0x1,0x33450,0x50910,0x0,0x0,0x33450,0x50910},
	{"A5 Transverse",0x1,0x24220,0x33450,0x0,0x0,0x24220,0x33450},
	{"B5 (JIS) Transverse",0x1,0x2c6f0,0x3ebe8,0x0,0x0,0x2c6f0,0x3ebe8},
	{"A3 Extra",0x1,0x4e9d0,0x6ca48,0x0,0x0,0x4e9d0,0x6ca48},
	{"A5 Extra",0x1,0x2a7b0,0x395f8,0x0,0x0,0x2a7b0,0x395f8},
	{"B5 (ISO) Extra",0x1,0x31128,0x43620,0x0,0x0,0x31128,0x43620},
	{"A2",0x1,0x668a0,0x91050,0x0,0x0,0x668a0,0x91050},
	{"A3 Transverse",0x1,0x48828,0x668a0,0x0,0x0,0x48828,0x668a0},
	{"A3 Extra Transverse",0x1,0x4e9d0,0x6ca48,0x0,0x0,0x4e9d0,0x6ca48},
	{"Japanese Double Postcard",0x1,0x30d40,0x24220,0x0,0x0,0x30d40,0x24220},
	{"A6",0x1,0x19a28,0x24220,0x0,0x0,0x19a28,0x24220},
	{"Japanese Envelope Kaku #2",0x1,0x3a980,0x510e0,0x0,0x0,0x3a980,0x510e0},
	{"Japanese Envelope Kaku #3",0x1,0x34bc0,0x43a08,0x0,0x0,0x34bc0,0x43a08},
	{"Japanese Envelope Chou #3",0x1,0x1d4c0,0x395f8,0x0,0x0,0x1d4c0,0x395f8},
	{"Japanese Envelope Chou #4",0x1,0x15f90,0x320c8,0x0,0x0,0x15f90,0x320c8},
	{"Letter Rotated",0x1,0x44368,0x34b5c,0x0,0x0,0x44368,0x34b5c},
	{"A3 Rotated",0x1,0x668a0,0x48828,0x0,0x0,0x668a0,0x48828},
	{"A4 Rotated",0x1,0x48828,0x33450,0x0,0x0,0x48828,0x33450},
	{"A5 Rotated",0x1,0x33450,0x24220,0x0,0x0,0x33450,0x24220},
	{"B4 (JIS) Rotated",0x1,0x58de0,0x3ebe8,0x0,0x0,0x58de0,0x3ebe8},
	{"B5 (JIS) Rotated",0x1,0x3ebe8,0x2c6f0,0x0,0x0,0x3ebe8,0x2c6f0},
	{"Japanese Postcard Rotated",0x1,0x24220,0x186a0,0x0,0x0,0x24220,0x186a0},
	{"Double Japan Postcard Rotated",0x1,0x24220,0x30d40,0x0,0x0,0x24220,0x30d40},
	{"A6 Rotated",0x1,0x24220,0x19a28,0x0,0x0,0x24220,0x19a28},
	{"Japan Envelope Kaku #2 Rotated",0x1,0x510e0,0x3a980,0x0,0x0,0x510e0,0x3a980},
	{"Japan Envelope Kaku #3 Rotated",0x1,0x43a08,0x34bc0,0x0,0x0,0x43a08, 0x34bc0},
	{"Japan Envelope Chou #3 Rotated",0x1,0x395f8,0x1d4c0,0x0,0x0,0x395f8,0x1d4c0},
	{"Japan Envelope Chou #4 Rotated",0x1,0x320c8,0x15f90,0x0,0x0,0x320c8,0x15f90},
	{"B6 (JIS)",0x1,0x1f400,0x2c6f0,0x0,0x0,0x1f400,0x2c6f0},
	{"B6 (JIS) Rotated",0x1,0x2c6f0,0x1f400,0x0,0x0,0x2c6f0,0x1f400},
	{"12x11",0x1,0x4a724,0x443e1,0x0,0x0,0x4a724,0x443e1},
	{"Japan Envelope You #4",0x1,0x19a28,0x395f8,0x0,0x0,0x19a28,0x395f8},
	{"Japan Envelope You #4 Rotated",0x1,0x395f8,0x19a28,0x0,0x0,0x395f8,0x19a28},
	{"PRC 16K",0x1,0x2de60,0x3f7a0,0x0,0x0,0x2de60,0x3f7a0},
	{"PRC 32K",0x1,0x1fbd0,0x2cec0,0x0,0x0,0x1fbd0,0x2cec0},
	{"PRC 32K(Big)",0x1,0x222e0,0x318f8,0x0,0x0,0x222e0,0x318f8},
	{"PRC Envelope #1",0x1,0x18e70,0x28488,0x0,0x0,0x18e70,0x28488},
	{"PRC Envelope #2",0x1,0x18e70,0x2af80,0x0,0x0,0x18e70,0x2af80},
	{"PRC Envelope #3",0x1,0x1e848,0x2af80,0x0,0x0,0x1e848,0x2af80},
	{"PRC Envelope #4",0x1,0x1adb0,0x32c80,0x0,0x0,0x1adb0,0x32c80},
	{"PRC Envelope #5",0x1,0x1adb0,0x35b60,0x0,0x0,0x1adb0,0x35b60},
	{"PRC Envelope #6",0x1,0x1d4c0,0x38270,0x0,0x0,0x1d4c0,0x38270},
	{"PRC Envelope #7",0x1,0x27100,0x38270,0x0,0x0,0x27100,0x38270},
	{"PRC Envelope #8",0x1,0x1d4c0,0x4b708,0x0,0x0,0x1d4c0,0x4b708},
	{"PRC Envelope #9",0x1,0x37e88,0x4f1a0,0x0,0x0,0x37e88,0x4f1a0},
	{"PRC Envelope #10",0x1,0x4f1a0,0x6fd10,0x0,0x0,0x4f1a0,0x6fd10},
	{"PRC 16K Rotated",0x1,0x3f7a0,0x2de60,0x0,0x0,0x3f7a0,0x2de60},
	{"PRC 32K Rotated",0x1,0x2cec0,0x1fbd0,0x0,0x0,0x2cec0,0x1fbd0},
	{"PRC 32K(Big) Rotated",0x1,0x318f8,0x222e0,0x0,0x0,0x318f8,0x222e0},
	{"PRC Envelope #1 Rotated",0x1,0x28488,0x18e70,0x0,0x0,0x28488,0x18e70},
	{"PRC Envelope #2 Rotated",0x1,0x2af80,0x18e70,0x0,0x0,0x2af80,0x18e70},
	{"PRC Envelope #3 Rotated",0x1,0x2af80,0x1e848,0x0,0x0,0x2af80,0x1e848},
	{"PRC Envelope #4 Rotated",0x1,0x32c80,0x1adb0,0x0,0x0,0x32c80,0x1adb0},
	{"PRC Envelope #5 Rotated",0x1,0x35b60,0x1adb0,0x0,0x0,0x35b60,0x1adb0},
	{"PRC Envelope #6 Rotated",0x1,0x38270,0x1d4c0,0x0,0x0,0x38270,0x1d4c0},
	{"PRC Envelope #7 Rotated",0x1,0x38270,0x27100,0x0,0x0,0x38270,0x27100},
	{"PRC Envelope #8 Rotated",0x1,0x4b708,0x1d4c0,0x0,0x0,0x4b708,0x1d4c0},
	{"PRC Envelope #9 Rotated",0x1,0x4f1a0,0x37e88,0x0,0x0,0x4f1a0,0x37e88},
	{"PRC Envelope #10 Rotated",0x1,0x6fd10,0x4f1a0,0x0,0x0,0x6fd10,0x4f1a0}
};

struct table_node {
	const char 	*long_archi;
	const char 	*short_archi;
	int	version;
};
 
#define SPL_ARCH_WIN40		"WIN40"
#define SPL_ARCH_W32X86		"W32X86"
#define SPL_ARCH_W32MIPS	"W32MIPS"
#define SPL_ARCH_W32ALPHA	"W32ALPHA"
#define SPL_ARCH_W32PPC		"W32PPC"
#define SPL_ARCH_IA64		"IA64"
#define SPL_ARCH_X64		"x64"

static const struct table_node archi_table[]= {

	{"Windows 4.0",          SPL_ARCH_WIN40,	0 },
	{"Windows NT x86",       SPL_ARCH_W32X86,	2 },
	{"Windows NT R4000",     SPL_ARCH_W32MIPS,	2 },
	{"Windows NT Alpha_AXP", SPL_ARCH_W32ALPHA,	2 },
	{"Windows NT PowerPC",   SPL_ARCH_W32PPC,	2 },
	{"Windows IA64",   	 SPL_ARCH_IA64,		3 },
	{"Windows x64",   	 SPL_ARCH_X64,		3 },
	{NULL,                   "",		-1 }
};


/****************************************************************************
 generate a new TDB_DATA key for storing a printer
****************************************************************************/

static TDB_DATA make_printer_tdbkey( const char *sharename )
{
	fstring share;
	static pstring keystr;
	TDB_DATA key;
	
	fstrcpy( share, sharename );
	strlower_m( share );
	
	pstr_sprintf( keystr, "%s%s", PRINTERS_PREFIX, share );
	
	key.dptr = keystr;
	key.dsize = strlen(keystr)+1;

	return key;
}

/****************************************************************************
 generate a new TDB_DATA key for storing a printer security descriptor
****************************************************************************/

static char* make_printers_secdesc_tdbkey( const char* sharename  )
{
	fstring share;
	static pstring keystr;
	
	fstrcpy( share, sharename );
	strlower_m( share );
	
	pstr_sprintf( keystr, "%s%s", SECDESC_PREFIX, share );

	return keystr;
}

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

static BOOL upgrade_to_version_3(void)
{
	TDB_DATA kbuf, newkey, dbuf;
 
	DEBUG(0,("upgrade_to_version_3: upgrading print tdb's to version 3\n"));
 
	for (kbuf = tdb_firstkey(tdb_drivers); kbuf.dptr;
			newkey = tdb_nextkey(tdb_drivers, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {

		dbuf = tdb_fetch(tdb_drivers, kbuf);

		if (strncmp(kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
			DEBUG(0,("upgrade_to_version_3:moving form\n"));
			if (tdb_store(tdb_forms, kbuf, dbuf, TDB_REPLACE) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to move form. Error (%s).\n", tdb_errorstr(tdb_forms)));
				return False;
			}
			if (tdb_delete(tdb_drivers, kbuf) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to delete form. Error (%s)\n", tdb_errorstr(tdb_drivers)));
				return False;
			}
		}
 
		if (strncmp(kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
			DEBUG(0,("upgrade_to_version_3:moving printer\n"));
			if (tdb_store(tdb_printers, kbuf, dbuf, TDB_REPLACE) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to move printer. Error (%s)\n", tdb_errorstr(tdb_printers)));
				return False;
			}
			if (tdb_delete(tdb_drivers, kbuf) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to delete printer. Error (%s)\n", tdb_errorstr(tdb_drivers)));
				return False;
			}
		}
 
		if (strncmp(kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
			DEBUG(0,("upgrade_to_version_3:moving secdesc\n"));
			if (tdb_store(tdb_printers, kbuf, dbuf, TDB_REPLACE) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to move secdesc. Error (%s)\n", tdb_errorstr(tdb_printers)));
				return False;
			}
			if (tdb_delete(tdb_drivers, kbuf) != 0) {
				SAFE_FREE(dbuf.dptr);
				DEBUG(0,("upgrade_to_version_3: failed to delete secdesc. Error (%s)\n", tdb_errorstr(tdb_drivers)));
				return False;
			}
		}
 
		SAFE_FREE(dbuf.dptr);
	}

	return True;
}

/*******************************************************************
 Fix an issue with security descriptors.  Printer sec_desc must 
 use more than the generic bits that were previously used 
 in <= 3.0.14a.  They must also have a owner and group SID assigned.
 Otherwise, any printers than have been migrated to a Windows 
 host using printmig.exe will not be accessible.
*******************************************************************/

static int sec_desc_upg_fn( TDB_CONTEXT *the_tdb, TDB_DATA key,
                            TDB_DATA data, void *state )
{
	prs_struct ps;
	SEC_DESC_BUF *sd_orig = NULL;
	SEC_DESC_BUF *sd_new, *sd_store;
	SEC_DESC *sec, *new_sec;
	TALLOC_CTX *ctx = state;
	int result, i;
	uint32 sd_size;
	size_t size_new_sec;
	DOM_SID sid;

	if (!data.dptr || data.dsize == 0)
		return 0;

	if ( strncmp( key.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX) ) != 0 )
		return 0;

	/* upgrade the security descriptor */

	ZERO_STRUCT( ps );

	prs_init( &ps, 0, ctx, UNMARSHALL );
	prs_give_memory( &ps, data.dptr, data.dsize, True );

	if ( !sec_io_desc_buf( "sec_desc_upg_fn", &sd_orig, &ps, 1 ) ) {
		/* delete bad entries */
		DEBUG(0,("sec_desc_upg_fn: Failed to parse original sec_desc for %si.  Deleting....\n", key.dptr ));
		tdb_delete( tdb_printers, key );
		return 0;
	}

	sec = sd_orig->sec;
		
	/* is this even valid? */
	
	if ( !sec->dacl )
		return 0;
		
	/* update access masks */
	
	for ( i=0; i<sec->dacl->num_aces; i++ ) {
		switch ( sec->dacl->ace[i].info.mask ) {
			case (GENERIC_READ_ACCESS | GENERIC_WRITE_ACCESS | GENERIC_EXECUTE_ACCESS):
				sec->dacl->ace[i].info.mask = PRINTER_ACE_PRINT;
				break;
				
			case GENERIC_ALL_ACCESS:
				sec->dacl->ace[i].info.mask = PRINTER_ACE_FULL_CONTROL;
				break;
				
			case READ_CONTROL_ACCESS:
				sec->dacl->ace[i].info.mask = PRINTER_ACE_MANAGE_DOCUMENTS;