How to get full path of driver?

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Hello, in DriverEntry I need to get full path of driver image. I am trying to get this path from registry, but I observed several entries:
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system32\DRIVERS\name.sys
\SystemRoot\system32\drivers\name.sys
\??\C:\cygwin\home\user\objchk_win7_amd64\amd64\name.sys

How to get this path correctly without parsing, creating own path?

Posted 6-Jun-13 4:37am

patrik polakovic

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ssriganesh · Answer 1 · 2013-12-04T02:12:00

Solution 1

You can use this piece of code. This is untested code. Please revert if you have any queries

C++

char *lpFirstOccurance = NULL;
char buffer[1024];
char temp1[500];

lpFirstOccurance = (CHAR*)strstr(buffer, "\\SystemRoot");
if(strlen(buffer) > 0 && lpFirstOccurance != NULL)
{
	lpFirstOccurance += strlen("\\SystemRoot");
	sprintf(temp1, "%ls%s",tempStr.c_str(), lpFirstOccurance);
}

Posted 4-Dec-13 2:12am

ssriganesh

Updated 4-Dec-13 2:20am

v2

Comments

Richard MacCutchan 4-Dec-13 8:20am

Please format your code properly (as I have done for you) when posting suggested solutions.