Some hacks to do with unsupported file ownership detection in mingw

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@13620 72102866-910b-0410-8b05-ffd578937521

Source/NSFileManager.m

@@ -64,6 +64,8 @@
 #endif
 
 #if	defined(__MINGW__)
+#include <stdio.h>
+#include <tchar.h>
 #define	WIN32ERR	((DWORD)0xFFFFFFFF)
 #endif
 
@@ -2223,6 +2225,139 @@ static int sparc_warn = 0;
 
   if (copy == NO)
     {
+#ifdef __MINGW_NOT_AVAILABLE_YET
+
+
+{
+DWORD dwRtnCode = 0;
+PSID pSidOwner;
+BOOL bRtnBool = TRUE;
+LPTSTR AcctName, DomainName;
+DWORD dwAcctName = 1, dwDomainName = 1;
+SID_NAME_USE eUse = SidTypeUnknown;
+HANDLE hFile;
+PSECURITY_DESCRIPTOR pSD;
+
+// Get the handle of the file object.
+hFile = CreateFile(
+                  "myfile.txt",
+                  GENERIC_READ,
+                  FILE_SHARE_READ,
+                  NULL,
+                  OPEN_EXISTING,
+                  FILE_ATTRIBUTE_NORMAL,
+                  NULL);
+
+// Check GetLastError for CreateFile error code.
+if (hFile == INVALID_HANDLE_VALUE) {
+          DWORD dwErrorCode = 0;
+
+          dwErrorCode = GetLastError();
+          _tprintf(TEXT("CreateFile error = %d\n"), dwErrorCode);
+          return -1;
+}
+
+// Allocate memory for the SID structure.
+pSidOwner = (PSID)GlobalAlloc(
+          GMEM_FIXED,
+          sizeof(PSID));
+
+// Allocate memory for the security descriptor structure.
+pSD = (PSECURITY_DESCRIPTOR)GlobalAlloc(
+          GMEM_FIXED,
+          sizeof(PSECURITY_DESCRIPTOR));
+
+// Get the owner SID of the file.
+dwRtnCode = GetSecurityInfo(
+                  hFile,
+                  SE_FILE_OBJECT,
+                  OWNER_SECURITY_INFORMATION,
+                  &pSidOwner,
+                  NULL,
+                  NULL,
+                  NULL,
+                  &pSD);
+
+// Check GetLastError for GetSecurityInfo error condition.
+if (dwRtnCode != ERROR_SUCCESS) {
+          DWORD dwErrorCode = 0;
+
+          dwErrorCode = GetLastError();
+          _tprintf(TEXT("GetSecurityInfo error = %d\n"), dwErrorCode);
+          return -1;
+}
+
+// First call to LookupAccountSid to get the buffer sizes.
+bRtnBool = LookupAccountSid(
+                  NULL,           // local computer
+                  pSidOwner,
+                  AcctName,
+                  (LPDWORD)&dwAcctName,
+                  DomainName,
+                  (LPDWORD)&dwDomainName,
+                  &eUse);
+
+// Reallocate memory for the buffers.
+AcctName = (char *)GlobalAlloc(
+          GMEM_FIXED,
+          dwAcctName);
+
+// Check GetLastError for GlobalAlloc error condition.
+if (AcctName == NULL) {
+          DWORD dwErrorCode = 0;
+
+          dwErrorCode = GetLastError();
+          _tprintf(TEXT("GlobalAlloc error = %d\n"), dwErrorCode);
+          return -1;
+}
+
+    DomainName = (char *)GlobalAlloc(
+           GMEM_FIXED,
+           dwDomainName);
+
+    // Check GetLastError for GlobalAlloc error condition.
+    if (DomainName == NULL) {
+          DWORD dwErrorCode = 0;
+
+          dwErrorCode = GetLastError();
+          _tprintf(TEXT("GlobalAlloc error = %d\n"), dwErrorCode);
+          return -1;
+
+    }
+
+    // Second call to LookupAccountSid to get the account name.
+    bRtnBool = LookupAccountSid(
+          NULL,                          // name of local or remote computer
+          pSidOwner,                     // security identifier
+          AcctName,                      // account name buffer
+          (LPDWORD)&dwAcctName,          // size of account name buffer 
+          DomainName,                    // domain name
+          (LPDWORD)&dwDomainName,        // size of domain name buffer
+          &eUse);                        // SID type
+
+    // Check GetLastError for LookupAccountSid error condition.
+    if (bRtnBool == FALSE) {
+          DWORD dwErrorCode = 0;
+
+          dwErrorCode = GetLastError();
+
+          if (dwErrorCode == ERROR_NONE_MAPPED)
+              _tprintf(TEXT("Account owner not found for specified SID.\n"));
+          else 
+              _tprintf(TEXT("Error in LookupAccountSid.\n"));
+          return -1;
+
+    } else if (bRtnBool == TRUE) 
+
+        // Print the account name.
+        _tprintf(TEXT("Account owner = %s\n"), AcctName);
+
+    return 0;
+}
+
+
+
+#endif
 #ifdef HAVE_PWD_H	
       {
 	struct passwd *pw;

Source/NSUser.m

@@ -587,11 +587,14 @@ userDirectory(NSString *name, BOOL defaults)
 	  fprintf(stderr, "The file '%s' is writable by someone other than"
 	    " its owner.\nIgnoring it.\n", [file fileSystemRepresentation]);
 	}
+#ifndef	__MINGW__
+/* FIXME ... need to get mingw working */
       else if ([[attributes fileOwnerAccountName] isEqual: NSUserName()] == NO)
 	{
 	  fprintf(stderr, "The file '%s' is not owned by the current user."
 	    "\nIgnoring it.\n", [file fileSystemRepresentation]);
 	}
+#endif
       else if ([manager isReadableFileAtPath: file] == YES)
 	{
 	  NSArray	*lines;