diff options
Diffstat (limited to 'indra/llcommon/lluuid.cpp')
| -rw-r--r-- | indra/llcommon/lluuid.cpp | 152 |
1 files changed, 103 insertions, 49 deletions
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp index 5d452ac4e4..583c1e589b 100644 --- a/indra/llcommon/lluuid.cpp +++ b/indra/llcommon/lluuid.cpp @@ -1,25 +1,31 @@ /** * @file lluuid.cpp * - * $LicenseInfo:firstyear=2000&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. + * $LicenseInfo:firstyear=2000&license=viewergpl$ + * + * Copyright (c) 2000-2009, Linden Research, Inc. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * - * This library 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 - * Lesser General Public License for more details. + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at + * http://secondlifegrid.net/programs/open_source/licensing/flossexception * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ @@ -450,53 +456,101 @@ static void get_random_bytes(void *buf, int nbytes) } #if LL_WINDOWS +// Code copied from http://msdn.microsoft.com/en-us/library/aa365939(VS.85).aspx +// This code grabs the first hardware address, rather than the first interface. +// Using a VPN can cause the first returned interface to be changed. + +const S32 MAC_ADDRESS_BYTES=6; -typedef struct _ASTAT_ -{ - ADAPTER_STATUS adapt; - NAME_BUFFER NameBuff [30]; -}ASTAT, * PASTAT; // static S32 LLUUID::getNodeID(unsigned char *node_id) { - ASTAT Adapter; - NCB Ncb; - UCHAR uRetCode; - LANA_ENUM lenum; - int i; - int retval = 0; - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBENUM; - Ncb.ncb_buffer = (UCHAR *)&lenum; - Ncb.ncb_length = sizeof(lenum); - uRetCode = Netbios( &Ncb ); + // Declare and initialize variables. + DWORD dwSize = 0; + DWORD dwRetVal = 0; + int i; - for(i=0; i < lenum.length ;i++) - { - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBRESET; - Ncb.ncb_lana_num = lenum.lana[i]; +/* variables used for GetIfTable and GetIfEntry */ + MIB_IFTABLE *pIfTable; + MIB_IFROW *pIfRow; - uRetCode = Netbios( &Ncb ); - - memset( &Ncb, 0, sizeof (Ncb) ); - Ncb.ncb_command = NCBASTAT; - Ncb.ncb_lana_num = lenum.lana[i]; + // Allocate memory for our pointers. + pIfTable = (MIB_IFTABLE *) malloc(sizeof (MIB_IFTABLE)); + if (pIfTable == NULL) + { + printf("Error allocating memory needed to call GetIfTable\n"); + return 0; + } - strcpy( (char *)Ncb.ncb_callname, "* " ); /* Flawfinder: ignore */ - Ncb.ncb_buffer = (unsigned char *)&Adapter; - Ncb.ncb_length = sizeof(Adapter); + // Before calling GetIfEntry, we call GetIfTable to make + // sure there are entries to get and retrieve the interface index. - uRetCode = Netbios( &Ncb ); - if ( uRetCode == 0 ) + // Make an initial call to GetIfTable to get the + // necessary size into dwSize + if (GetIfTable(pIfTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) { + free(pIfTable); + pIfTable = (MIB_IFTABLE *) malloc(dwSize); + if (pIfTable == NULL) + { + printf("Error allocating memory\n"); + return 0; + } + } + // Make a second call to GetIfTable to get the actual + // data we want. + if ((dwRetVal = GetIfTable(pIfTable, &dwSize, 0)) == NO_ERROR) + { + if (pIfTable->dwNumEntries > 0) { - memcpy(node_id,Adapter.adapt.adapter_address,6); /* Flawfinder: ignore */ - retval = 1; + pIfRow = (MIB_IFROW *) malloc(sizeof (MIB_IFROW)); + if (pIfRow == NULL) + { + printf("Error allocating memory\n"); + if (pIfTable != NULL) + { + free(pIfTable); + pIfTable = NULL; + } + return 0; + } + + int limit = MAC_ADDRESS_BYTES; + memcpy(node_id, "\0\0\0\0\0\0", limit); // zero out array of bytes + for (i = 0; i < (int) pIfTable->dwNumEntries; i++) + { + pIfRow->dwIndex = pIfTable->table[i].dwIndex; + if ((dwRetVal = GetIfEntry(pIfRow)) == NO_ERROR) + { + switch (pIfRow->dwType) + { + case IF_TYPE_ETHERNET_CSMACD: + case IF_TYPE_IEEE80211: + limit = min((int) pIfRow->dwPhysAddrLen, limit); + if (pIfRow->dwPhysAddrLen == 0) + break; + memcpy(node_id, (UCHAR *)&pIfRow->bPhysAddr[0], limit); // just incase the PhysAddr is not the expected MAC_Address size + free(pIfTable); + return 1; //return first hardware device found. + break; + + case IF_TYPE_OTHER: + case IF_TYPE_PPP: + case IF_TYPE_SOFTWARE_LOOPBACK: + case IF_TYPE_ISO88025_TOKENRING: + case IF_TYPE_IEEE1394: + case IF_TYPE_ATM: + case IF_TYPE_TUNNEL: + default: + break; + } + } + } } } - return retval; + free(pIfTable); + return 0; } #elif LL_DARWIN |