[Bug 10657] New: Regression: GetAdaptersInfo no longer returning hardware address.
wine-bugs at winehq.org
wine-bugs at winehq.org
Mon Dec 3 07:43:10 CST 2007
http://bugs.winehq.org/show_bug.cgi?id=10657
Summary: Regression: GetAdaptersInfo no longer returning hardware
address.
Product: Wine
Version: 0.9.50.
Platform: PC
OS/Version: Linux
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: wine-net
AssignedTo: wine-bugs at winehq.org
ReportedBy: gnb10 at gnb10.uklinux.net
GetAdaptersInfo is failing to return the MAC address of eth0, which breaks
the licence checking on a piece of software I'm using. A bit of debugging shows
that getInterfacePhysicalByIndex is being called with 'len' set to zero, while
the code in getInterfacePhysicalByName expects len to be initialised to the
available buffer space for holding the address.
The change that caused it seems to have been the one in this commit:
http://www.winehq.org/pipermail/wine-cvs/2007-October/037001.html
which among other things removed the initialisation of the length passed in.
Certainly the trivial change
--- wine-0.9.50/dlls/iphlpapi/iphlpapi_main.c 2007-11-30 17:38:15.000000000
+0000
+++ wine-0.9.50.new/dlls/iphlpapi/iphlpapi_main.c 2007-12-03
13:41:12.000000000 +0000
@@ -735,6 +735,7 @@
/* on Win98 this is left empty, but whatever */
getInterfaceNameByIndex(table->indexes[ndx], ptr->AdapterName);
+ ptr->AddressLength = sizeof(ptr->Address);
getInterfacePhysicalByIndex(table->indexes[ndx],
&ptr->AddressLength, ptr->Address, &ptr->Type);
ptr->Index = table->indexes[ndx];
makes the application I'm using work again, but I'm not familiar enough with
wine internals to know whether this is the right place for it, or whether it
should already have been initialised elsewhere.
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