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implemented GetUserNameA()

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svn path=/trunk/; revision=12121
This commit is contained in:
Thomas Bluemel 2004-12-14 22:11:16 +00:00
parent ddd8ede921
commit 7af8972536
1 changed files with 38 additions and 43 deletions
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81
reactos/lib/advapi32/sec/misc.c
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@ -1,4 +1,4 @@
/* $Id: misc.c,v 1.33 2004/12/14 21:26:53 weiden Exp $
/* $Id: misc.c,v 1.34 2004/12/14 22:11:16 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -485,36 +485,38 @@ RevertToSelf(VOID)
BOOL WINAPI
GetUserNameA( LPSTR lpszName, LPDWORD lpSize )
{
WCHAR* lpszNameW = NULL;
DWORD len = 0;
UNICODE_STRING NameW;
ANSI_STRING NameA;
BOOL Ret;
/* apparently Win doesn't check whether lpSize is valid at all! */
if ( !lpSize )
NameW.Length = 0;
NameW.MaximumLength = (*lpSize) * sizeof(WCHAR);
NameW.Buffer = LocalAlloc(LMEM_FIXED, NameW.MaximumLength);
if(NameW.Buffer == NULL)
{
SetLastError(ERROR_INVALID_PARAMETER);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
len = *lpSize;
lpszNameW = LocalAlloc ( LMEM_FIXED, len * sizeof(WCHAR) );
if ( !GetUserNameW ( lpszNameW, &len ) )
NameA.Length = 0;
NameA.MaximumLength = ((*lpSize) < 0xFFFF ? (USHORT)(*lpSize) : 0xFFFF);
NameA.Buffer = lpszName;
Ret = GetUserNameW(NameW.Buffer,
lpSize);
if(Ret)
{
LocalFree ( lpszNameW );
return FALSE;
RtlUnicodeStringToAnsiString(&NameA, &NameW, FALSE);
NameA.Buffer[NameA.Length] = '\0';
*lpSize = NameA.Length + 1;
}
len = wcstombs ( lpszName, lpszNameW, len );
LocalFree ( lpszNameW );
if ( len > *lpSize )
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
*lpSize = len;
return TRUE;
LocalFree(NameW.Buffer);
return Ret;
}
/******************************************************************************
@ -642,12 +644,11 @@ LookupAccountSidA (LPCSTR lpSystemName,
PSID_NAME_USE peUse)
{
UNICODE_STRING NameW, ReferencedDomainNameW, SystemNameW;
LPWSTR lpSystemNameW, lpNameW, lpReferencedDomainNameW;
DWORD szName, szReferencedDomainName;
BOOL Ret;
/*
* save the buffer size the caller passed to us, as they may get modified and
* save the buffer sizes the caller passed to us, as they may get modified and
* we require the original values when converting back to ansi
*/
szName = *cchName;
@ -667,11 +668,9 @@ LookupAccountSidA (LPCSTR lpSystemName,
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
lpNameW = NameW.Buffer;
}
else
lpNameW = NULL;
NameW.Buffer = NULL;
if(szReferencedDomainName > 0)
{
@ -680,18 +679,16 @@ LookupAccountSidA (LPCSTR lpSystemName,
ReferencedDomainNameW.Buffer = (PWSTR)LocalAlloc(LMEM_FIXED, ReferencedDomainNameW.MaximumLength);
if(ReferencedDomainNameW.Buffer == NULL)
{
if((*cchName) > 0)
if(szName > 0)
{
LocalFree(NameW.Buffer);
}
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
lpReferencedDomainNameW = ReferencedDomainNameW.Buffer;
}
else
lpReferencedDomainNameW = NULL;
ReferencedDomainNameW.Buffer = NULL;
/*
* convert the system name to unicode - if present
@ -703,21 +700,19 @@ LookupAccountSidA (LPCSTR lpSystemName,
RtlInitAnsiString(&SystemNameA, lpSystemName);
RtlAnsiStringToUnicodeString(&SystemNameW, &SystemNameA, TRUE);
lpSystemNameW = SystemNameW.Buffer;
}
else
lpSystemNameW = NULL;
SystemNameW.Buffer = NULL;
/*
* it's time to call the unicode version
*/
Ret = LookupAccountSidW(lpSystemNameW,
Ret = LookupAccountSidW(SystemNameW.Buffer,
lpSid,
lpNameW,
NameW.Buffer,
cchName,
lpReferencedDomainNameW,
ReferencedDomainNameW.Buffer,
cchReferencedDomainName,
peUse);
if(Ret)
@ -757,15 +752,15 @@ LookupAccountSidA (LPCSTR lpSystemName,
* free previously allocated buffers
*/
if(lpSystemName != NULL)
if(SystemNameW.Buffer != NULL)
{
RtlFreeUnicodeString(&SystemNameW);
}
if(lpNameW != NULL)
if(NameW.Buffer != NULL)
{
LocalFree(NameW.Buffer);
}
if(lpReferencedDomainNameW != NULL)
if(ReferencedDomainNameW.Buffer != NULL)
{
LocalFree(ReferencedDomainNameW.Buffer);
}