Initial original import from: fuse-2.4.2-2.fc4
[captive.git] / src / libcaptive / cm / rtlfunc.c
index 270a41f..5b3a26f 100644 (file)
@@ -1,5 +1,5 @@
 /* $Id$
- * reactos time handling functions emulation of libcaptive
+ * reactos registry handling functions emulation of libcaptive
  * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
  * 
  * This program is free software; you can redistribute it and/or modify
@@ -21,7 +21,8 @@
 
 #include "reactos/ddk/kefuncs.h"       /* self */
 #include <glib/gmessages.h>
-#include <sys/time.h>
+#include "captive/unicode.h"
+#include "captive/macros.h"
 
 
 /**
  * @Environment: Environment variable to use for key expansion; optional; ignored by libcaptive.
  *
  * Retrieves specified key from the system registry database.
- * libcaptive currently always returns %STATUS_OBJECT_NAME_NOT_FOUND.
+ * libcaptive currently always returns %STATUS_OBJECT_NAME_NOT_FOUND
+ * except #ULONG value 1 for the key "\captive\filesystem\Parameters\WritingSupport"
+ * (for ext2fsd.sys V0.10A).
  *
- * Returns: %STATUS_OBJECT_NAME_NOT_FOUND
+ * Returns: %STATUS_OBJECT_NAME_NOT_FOUND or %STATUS_SUCCESS if some result returned.
  */
 NTSTATUS RtlQueryRegistryValues
-               (IN ULONG RelativeTo,IN PWSTR Path,IN PRTL_QUERY_REGISTRY_TABLE QueryTable,IN PVOID Context,IN PVOID Environment) 
+               (IN ULONG RelativeTo,IN PCWSTR Path,IN PRTL_QUERY_REGISTRY_TABLE QueryTable,IN PVOID Context,IN PVOID Environment) 
 {
+const WCHAR *Path__captive_filesystem_Parameters_ucs2=
+               captive_utf8_to_UnicodeString_alloca("\\captive\\filesystem\\Parameters")->Buffer;
+const WCHAR *QueryTable_WritingSupport_Name_ucs2=
+               captive_utf8_to_UnicodeString_alloca("WritingSupport")->Buffer;
+const WCHAR *QueryTable_CSDVersion_Name_ucs2=
+               captive_utf8_to_UnicodeString_alloca("CSDVersion")->Buffer;
+const gchar *RelativeTo_table[]={
+               "RTL_REGISTRY_ABSOLUTE",
+               "RTL_REGISTRY_SERVICES",
+               "RTL_REGISTRY_CONTROL",
+               "RTL_REGISTRY_WINDOWS_NT",
+               "RTL_REGISTRY_DEVICEMAP",
+               "RTL_REGISTRY_USER",
+               "RTL_REGISTRY_ENUM",
+               };
+UNICODE_STRING Path_UnicodeString;
+
+       g_return_val_if_fail(Path!=NULL,STATUS_INVALID_PARAMETER);
        g_return_val_if_fail(QueryTable!=NULL,STATUS_INVALID_PARAMETER);
 
+       Path_UnicodeString.Length=captive_ucs2_strlen(Path)*sizeof(*Path_UnicodeString.Buffer);
+       Path_UnicodeString.MaximumLength=Path_UnicodeString.Length+sizeof(*Path_UnicodeString.Buffer);
+       Path_UnicodeString.Buffer=(/* de-const */ PWSTR)Path;
+       g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s: RelativeTo=%s,Path=%s",G_STRLOC,
+                       (RelativeTo>=0 && RelativeTo<G_N_ELEMENTS(RelativeTo_table)
+                                       ? RelativeTo_table[RelativeTo] : captive_printf_alloca("%lu",(unsigned long)RelativeTo)),
+                                       captive_UnicodeString_to_utf8_alloca(&Path_UnicodeString));
+
+       if (RelativeTo==RTL_REGISTRY_ABSOLUTE
+                       && captive_ucs2_compare(Path,Path__captive_filesystem_Parameters_ucs2)
+                       && QueryTable[0].Name!=NULL
+                                       && captive_ucs2_compare(QueryTable[0].Name,QueryTable_WritingSupport_Name_ucs2)
+                       && QueryTable[0].Flags==(RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED)
+                       && QueryTable[0].EntryContext!=NULL
+                       && QueryTable[1].Name==NULL) {
+               *(ULONG *)QueryTable[0].EntryContext=1; /* => 'EXT2_SUPPORT_WRITING' */
+               return STATUS_SUCCESS;
+               }
+
+       if (RelativeTo==RTL_REGISTRY_WINDOWS_NT
+                       && *Path==0
+                       && QueryTable[0].Name!=NULL
+                                       && captive_ucs2_compare(QueryTable[0].Name,QueryTable_CSDVersion_Name_ucs2)
+                       && QueryTable[0].Flags==RTL_QUERY_REGISTRY_DIRECT
+                       && QueryTable[0].EntryContext!=NULL
+                       && QueryTable[1].Name==NULL) {
+               RtlCopyUnicodeString(
+                               (UNICODE_STRING *)QueryTable->EntryContext,     /* DestinationString */
+                               captive_utf8_to_UnicodeString_alloca("Service Pack 1"));        /* SourceString */
+               return STATUS_SUCCESS;
+               }
+
        return STATUS_OBJECT_NAME_NOT_FOUND;
 }