diff options
Diffstat (limited to 'indra/llcommon')
| -rw-r--r-- | indra/llcommon/lluuid.cpp | 161 |
1 files changed, 100 insertions, 61 deletions
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp index bcbae06ec5..152223d524 100644 --- a/indra/llcommon/lluuid.cpp +++ b/indra/llcommon/lluuid.cpp @@ -36,6 +36,8 @@ # undef WIN32_LEAN_AND_MEAN # include <winsock2.h> # include <windows.h> +# pragma comment(lib, "IPHLPAPI.lib")
+# include <iphlpapi.h> #endif #include "lldefs.h" @@ -452,67 +454,104 @@ static void get_random_bytes(void *buf, int nbytes) return; } -#if LL_WINDOWS -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 ); - // printf( "The NCBENUM return code is: 0x%x \n", uRetCode ); - - for(i=0; i < lenum.length ;i++) - { - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBRESET; - Ncb.ncb_lana_num = lenum.lana[i]; - - uRetCode = Netbios( &Ncb ); - // printf( "The NCBRESET on LANA %d return code is: 0x%x \n", - // lenum.lana[i], uRetCode ); - - memset( &Ncb, 0, sizeof (Ncb) ); - Ncb.ncb_command = NCBASTAT; - Ncb.ncb_lana_num = lenum.lana[i]; - - strcpy( (char *)Ncb.ncb_callname, "* " ); /* Flawfinder: ignore */ - Ncb.ncb_buffer = (unsigned char *)&Adapter; - Ncb.ncb_length = sizeof(Adapter); - - uRetCode = Netbios( &Ncb ); -// printf( "The NCBASTAT on LANA %d return code is: 0x%x \n", -// lenum.lana[i], uRetCode ); - if ( uRetCode == 0 ) - { -// printf( "The Ethernet Number on LANA %d is: %02x%02x%02x%02x%02x%02x\n", -// lenum.lana[i], -// Adapter.adapt.adapter_address[0], -// Adapter.adapt.adapter_address[1], -// Adapter.adapt.adapter_address[2], -// Adapter.adapt.adapter_address[3], -// Adapter.adapt.adapter_address[4], -// Adapter.adapt.adapter_address[5] ); - memcpy(node_id,Adapter.adapt.adapter_address,6); /* Flawfinder: ignore */ - retval = 1; - - } - } - return retval; +#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.
+
+#define MALLOC(x)HeapAlloc(GetProcessHeap(),0,(x))
+#define FREE(x) HeapFree(GetProcessHeap(),0,(x))
+const S32 MAC_ADDRESS_BYTES=6;
+
+
+// static
+S32 LLUUID::getNodeID(unsigned char *node_id)
+{
+
+ // Declare and initialize variables.
+ DWORD dwSize = 0;
+ DWORD dwRetVal = 0;
+ int i;
+
+/* variables used for GetIfTable and GetIfEntry */
+ MIB_IFTABLE *pIfTable;
+ MIB_IFROW *pIfRow;
+
+ // 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;
+ }
+
+ // Before calling GetIfEntry, we call GetIfTable to make
+ // sure there are entries to get and retrieve the interface index.
+
+ // 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)
+ {
+ 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;
+ }
+ }
+ }
+ }
+ }
+ FREE(pIfTable);
+ return 0;
} #elif LL_DARWIN |