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POGet Process Username c++
 

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  1. POGet Process Username c++
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    <p>i am making a taskmanager like app. for windows,i can get all the system processes,now i want to get process's username.I got the code from net.</p> <pre><code>void enableDebugPrivileges() { HANDLE hcurrent=GetCurrentProcess(); HANDLE hToken; BOOL bret=OpenProcessToken(hcurrent,40,&amp;hToken); LUID luid; bret=LookupPrivilegeValue(NULL,SE_LOAD_DRIVER_NAME, &amp;luid); TOKEN_PRIVILEGES NewState,PreviousState; DWORD ReturnLength; NewState.PrivilegeCount =1; NewState.Privileges[0].Luid =luid; NewState.Privileges[0].Attributes=2; AdjustTokenPrivileges(hToken,FALSE,&amp;NewState,28,&amp;PreviousState,&amp;ReturnLength); } char *GetProcessUsername(HANDLE *phProcess, BOOL bIncDomain) { static char sname[300]; HANDLE tok = 0; HANDLE hProcess; TOKEN_USER *ptu; DWORD nlen, dlen; char name[300], dom[300], tubuf[300], *pret = 0; int iUse; //if phProcess is NULL we get process handle of this //process. hProcess = phProcess?*phProcess:GetCurrentProcess(); //open the processes token if (!OpenProcessToken(hProcess,TOKEN_QUERY,&amp;tok)) goto ert; //get the SID of the token ptu = (TOKEN_USER*)tubuf; if (!GetTokenInformation(tok,(TOKEN_INFORMATION_CLASS)1,ptu,300,&amp;nlen)) goto ert; //get the account/domain name of the SID dlen = 300; nlen = 300; if (!LookupAccountSidA(0, ptu-&gt;User.Sid, name, &amp;nlen, dom, &amp;dlen, (PSID_NAME_USE)&amp;iUse)) goto ert; //copy info to our static buffer if (dlen &amp;&amp; bIncDomain) { strcpy(sname,dom); strcat(sname,""); strcat(sname,name); } else { strcpy(sname,name); } //set our return variable pret = sname; ert: if (tok) CloseHandle(tok); return pret; } int main(){ enableDebugPrivileges(); DWORD dwPID=3436; HANDLE hProcess_i = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwPID); printf("%s",GetProcessUsername(&amp;hProcess_i,0)); } </code></pre> <p>Its working well for system and curr. user processes but not for NETWORK SERVICE and LOCAL SERVICES and i got null string.please tell how can i get usernames of these processes too. thanks.</p>
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