1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_sal.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <string.h> 32*cdf0e10cSrcweir #include <stdlib.h> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir #include <osl/mutex.hxx> 35*cdf0e10cSrcweir #include <rtl/random.h> 36*cdf0e10cSrcweir #include <rtl/uuid.h> 37*cdf0e10cSrcweir #include <rtl/digest.h> 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir #define SWAP_INT32_TO_NETWORK(x)\ 40*cdf0e10cSrcweir { sal_uInt32 y = x;\ 41*cdf0e10cSrcweir sal_uInt8 *p = (sal_uInt8 * )&(x); \ 42*cdf0e10cSrcweir p[0] = (sal_uInt8) ( ( y >> 24 ) & 0xff );\ 43*cdf0e10cSrcweir p[1] = (sal_uInt8) ( ( y >> 16 ) & 0xff );\ 44*cdf0e10cSrcweir p[2] = (sal_uInt8) ( ( y >> 8 ) & 0xff );\ 45*cdf0e10cSrcweir p[3] = (sal_uInt8) ( ( y ) & 0xff);\ 46*cdf0e10cSrcweir } 47*cdf0e10cSrcweir #define SWAP_INT16_TO_NETWORK(x)\ 48*cdf0e10cSrcweir { sal_uInt16 y = x;\ 49*cdf0e10cSrcweir sal_uInt8 *p = (sal_uInt8 * )&(x); \ 50*cdf0e10cSrcweir p[0] = (sal_uInt8) ( ( y >> 8 ) & 0xff );\ 51*cdf0e10cSrcweir p[1] = (sal_uInt8) ( ( y ) & 0xff);\ 52*cdf0e10cSrcweir } 53*cdf0e10cSrcweir 54*cdf0e10cSrcweir #define SWAP_NETWORK_TO_INT16(x)\ 55*cdf0e10cSrcweir { sal_uInt16 y = x;\ 56*cdf0e10cSrcweir sal_uInt8 *p = (sal_uInt8 * )&(y);\ 57*cdf0e10cSrcweir x = ( ( ((sal_uInt16)p[0]) & 0xff) << 8 ) |\ 58*cdf0e10cSrcweir ( ( (sal_uInt16)p[1]) & 0xff);\ 59*cdf0e10cSrcweir } 60*cdf0e10cSrcweir #define SWAP_NETWORK_TO_INT32(x)\ 61*cdf0e10cSrcweir { sal_uInt32 y = x;\ 62*cdf0e10cSrcweir sal_uInt8 *p = (sal_uInt8 * )&(y); \ 63*cdf0e10cSrcweir x = ( ( ((sal_uInt32)p[0]) & 0xff) << 24 ) |\ 64*cdf0e10cSrcweir ( ( ((sal_uInt32)p[1]) & 0xff) << 16 ) |\ 65*cdf0e10cSrcweir ( ( ((sal_uInt32)p[2]) & 0xff) << 8 ) |\ 66*cdf0e10cSrcweir ( ( (sal_uInt32)p[3]) & 0xff);\ 67*cdf0e10cSrcweir } 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir typedef struct _UUID 70*cdf0e10cSrcweir { 71*cdf0e10cSrcweir sal_uInt32 time_low; 72*cdf0e10cSrcweir sal_uInt16 time_mid; 73*cdf0e10cSrcweir sal_uInt16 time_hi_and_version; 74*cdf0e10cSrcweir sal_uInt8 clock_seq_hi_and_reserved; 75*cdf0e10cSrcweir sal_uInt8 clock_seq_low; 76*cdf0e10cSrcweir sal_uInt8 node[6]; 77*cdf0e10cSrcweir } UUID; 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir static void write_v3( sal_uInt8 *pUuid ) 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir UUID uuid; 82*cdf0e10cSrcweir // copy to avoid alignment problems 83*cdf0e10cSrcweir memcpy( &uuid , pUuid , 16 ); 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir SWAP_NETWORK_TO_INT32( uuid.time_low ); 86*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( uuid.time_mid ); 87*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( uuid.time_hi_and_version ); 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir /* put in the variant and version bits */ 90*cdf0e10cSrcweir uuid.time_hi_and_version &= 0x0FFF; 91*cdf0e10cSrcweir uuid.time_hi_and_version |= (3 << 12); 92*cdf0e10cSrcweir uuid.clock_seq_hi_and_reserved &= 0x3F; 93*cdf0e10cSrcweir uuid.clock_seq_hi_and_reserved |= 0x80; 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir SWAP_INT32_TO_NETWORK( uuid.time_low ); 96*cdf0e10cSrcweir SWAP_INT16_TO_NETWORK( uuid.time_mid ); 97*cdf0e10cSrcweir SWAP_INT16_TO_NETWORK( uuid.time_hi_and_version ); 98*cdf0e10cSrcweir 99*cdf0e10cSrcweir memcpy( pUuid , &uuid , 16 ); 100*cdf0e10cSrcweir } 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir 103*cdf0e10cSrcweir extern "C" void SAL_CALL rtl_createUuid( sal_uInt8 *pTargetUUID , 104*cdf0e10cSrcweir const sal_uInt8 *, sal_Bool ) 105*cdf0e10cSrcweir { 106*cdf0e10cSrcweir { 107*cdf0e10cSrcweir osl::MutexGuard g(osl::Mutex::getGlobalMutex()); 108*cdf0e10cSrcweir static rtlRandomPool pool = NULL; 109*cdf0e10cSrcweir if (pool == NULL) { 110*cdf0e10cSrcweir pool = rtl_random_createPool(); 111*cdf0e10cSrcweir if (pool == NULL) { 112*cdf0e10cSrcweir abort(); 113*cdf0e10cSrcweir // only possible way to signal failure here (rtl_createUuid 114*cdf0e10cSrcweir // being part of a fixed C API) 115*cdf0e10cSrcweir } 116*cdf0e10cSrcweir } 117*cdf0e10cSrcweir if (rtl_random_getBytes(pool, pTargetUUID, 16) != rtl_Random_E_None) { 118*cdf0e10cSrcweir abort(); 119*cdf0e10cSrcweir // only possible way to signal failure here (rtl_createUuid 120*cdf0e10cSrcweir // being part of a fixed C API) 121*cdf0e10cSrcweir } 122*cdf0e10cSrcweir } 123*cdf0e10cSrcweir // See ITU-T Recommendation X.667: 124*cdf0e10cSrcweir pTargetUUID[6] &= 0x0F; 125*cdf0e10cSrcweir pTargetUUID[6] |= 0x40; 126*cdf0e10cSrcweir pTargetUUID[8] &= 0x3F; 127*cdf0e10cSrcweir pTargetUUID[8] |= 0x80; 128*cdf0e10cSrcweir } 129*cdf0e10cSrcweir 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir extern "C" void SAL_CALL rtl_createNamedUuid( sal_uInt8 *pTargetUUID, 132*cdf0e10cSrcweir const sal_uInt8 *pNameSpaceUUID, 133*cdf0e10cSrcweir const rtl_String *pName ) 134*cdf0e10cSrcweir { 135*cdf0e10cSrcweir rtlDigest digest = rtl_digest_createMD5 (); 136*cdf0e10cSrcweir 137*cdf0e10cSrcweir rtl_digest_updateMD5( digest, pNameSpaceUUID , 16 ); 138*cdf0e10cSrcweir rtl_digest_updateMD5( digest, pName->buffer , pName->length ); 139*cdf0e10cSrcweir 140*cdf0e10cSrcweir rtl_digest_getMD5( digest, pTargetUUID , 16 ); 141*cdf0e10cSrcweir rtl_digest_destroyMD5 (digest); 142*cdf0e10cSrcweir 143*cdf0e10cSrcweir write_v3(pTargetUUID); 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir 146*cdf0e10cSrcweir 147*cdf0e10cSrcweir 148*cdf0e10cSrcweir extern "C" sal_Int32 SAL_CALL rtl_compareUuid( const sal_uInt8 *pUUID1 , const sal_uInt8 *pUUID2 ) 149*cdf0e10cSrcweir { 150*cdf0e10cSrcweir int i; 151*cdf0e10cSrcweir UUID u1; 152*cdf0e10cSrcweir UUID u2; 153*cdf0e10cSrcweir memcpy( &u1 , pUUID1 , 16 ); 154*cdf0e10cSrcweir memcpy( &u2 , pUUID2 , 16 ); 155*cdf0e10cSrcweir 156*cdf0e10cSrcweir SWAP_NETWORK_TO_INT32( u1.time_low ); 157*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( u1.time_mid ); 158*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( u1.time_hi_and_version ); 159*cdf0e10cSrcweir 160*cdf0e10cSrcweir SWAP_NETWORK_TO_INT32( u2.time_low ); 161*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( u2.time_mid ); 162*cdf0e10cSrcweir SWAP_NETWORK_TO_INT16( u2.time_hi_and_version ); 163*cdf0e10cSrcweir 164*cdf0e10cSrcweir #define CHECK(f1, f2) if (f1 != f2) return f1 < f2 ? -1 : 1; 165*cdf0e10cSrcweir CHECK(u1.time_low, u2.time_low); 166*cdf0e10cSrcweir CHECK(u1.time_mid, u2.time_mid); 167*cdf0e10cSrcweir CHECK(u1.time_hi_and_version, u2.time_hi_and_version); 168*cdf0e10cSrcweir CHECK(u1.clock_seq_hi_and_reserved, u2.clock_seq_hi_and_reserved); 169*cdf0e10cSrcweir CHECK(u1.clock_seq_low, u2.clock_seq_low); 170*cdf0e10cSrcweir for (i = 0; i < 6; i++) 171*cdf0e10cSrcweir { 172*cdf0e10cSrcweir if (u1.node[i] < u2.node[i]) 173*cdf0e10cSrcweir return -1; 174*cdf0e10cSrcweir if (u1.node[i] > u2.node[i]) 175*cdf0e10cSrcweir return 1; 176*cdf0e10cSrcweir } 177*cdf0e10cSrcweir return 0; 178*cdf0e10cSrcweir 179*cdf0e10cSrcweir } 180*cdf0e10cSrcweir 181