Fixed bug #63241 PHP fails to open Windows deduplicated files.

weltling · weltling · commit a2e4404bc815 · 2012-10-31T22:41:03.000+01:00
Fix by (daniel dot stelter-gliese at innogames dot de).
No test is supplied because the issue addresses
the new feature of the Windows Server 2012 and
would need a very specific filesystem setup.
diff --git a/NEWS b/NEWS
@@ -2,6 +2,10 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? 2012, PHP 5.3.19
 
+- Core
+  . Fixed bug #63241 PHP fails to open Windows deduplicated files.
+    (daniel dot stelter-gliese at innogames dot de)
+
 - Libxml
   . Fixed bug #63389 (Missing context check on libxml_set_streams_context()
     causes memleak). (Laruence)
diff --git a/TSRM/tsrm_virtual_cwd.c b/TSRM/tsrm_virtual_cwd.c
@@ -40,6 +40,10 @@
 #  define IO_REPARSE_TAG_SYMLINK 0xA000000C
 # endif
 
+# ifndef IO_REPARSE_TAG_DEDUP
+#  define IO_REPARSE_TAG_DEDUP   0x80000013
+# endif
+
 # ifndef VOLUME_NAME_NT
 #  define VOLUME_NAME_NT 0x2
 # endif
@@ -958,6 +962,11 @@ static int tsrm_realpath_r(char *path, int start, int len, int *ll, time_t *t, i
 					return -1;
 				};
 				substitutename[substitutename_len] = 0;
+			}
+			else if (pbuffer->ReparseTag == IO_REPARSE_TAG_DEDUP) {
+				isabsolute = 1;
+				memcpy(substitutename, path, len + 1);
+				substitutename_len = len;
 			} else {
 				tsrm_free_alloca(pbuffer, use_heap_large);
 				return -1;
