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-rw-r--r--src/object/ntapi_tt_keyed_object_directory.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/object/ntapi_tt_keyed_object_directory.c b/src/object/ntapi_tt_keyed_object_directory.c
new file mode 100644
index 0000000..7f2da40
--- /dev/null
+++ b/src/object/ntapi_tt_keyed_object_directory.c
@@ -0,0 +1,134 @@
+/********************************************************/
+/* ntapi: Native API core library */
+/* Copyright (C) 2013,2014,2015 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_object.h>
+#include <ntapi/nt_guid.h>
+#include <ntapi/nt_string.h>
+#include "ntapi_impl.h"
+
+typedef ntapi_zw_open_directory_object objdir_open_fn;
+
+static int32_t __stdcall __tt_create_keyed_object_directory(
+ __out void ** hdir,
+ __in uint32_t desired_access,
+ __in const wchar16_t prefix[6],
+ __in nt_guid * guid,
+ __in uint32_t key,
+ __in objdir_open_fn * openfn)
+{
+ nt_keyed_objdir_name objdir_name = {__NT_BASED_NAMED_OBJECTS};
+ nt_unicode_string name;
+ nt_oa oa;
+ nt_sqos sqos = {
+ sizeof(sqos),
+ NT_SECURITY_IMPERSONATION,
+ NT_SECURITY_TRACKING_DYNAMIC,
+ 1};
+
+ __ntapi->tt_memcpy_utf16(
+ objdir_name.prefix,
+ prefix,
+ sizeof(objdir_name.prefix));
+
+ __ntapi->tt_guid_to_utf16_string(
+ guid,
+ (nt_guid_str_utf16 *)&objdir_name.objdir_guid);
+
+ __ntapi->tt_uint32_to_hex_utf16(
+ key,objdir_name.key);
+
+ objdir_name.backslash = '\\';
+ objdir_name.objdir_guid.uscore_guid = '_';
+ objdir_name.objdir_guid.uscore_key = '_';
+
+ name.strlen = sizeof(objdir_name);
+ name.maxlen = 0;
+ name.buffer = (uint16_t *)&objdir_name;
+
+ oa.len = sizeof(oa);
+ oa.root_dir = 0;
+ oa.obj_name = &name;
+ oa.obj_attr = NT_OBJ_INHERIT;
+ oa.sec_desc = 0;
+ oa.sec_qos = &sqos;
+
+ return openfn(hdir,desired_access,&oa);
+}
+
+
+int32_t __stdcall __ntapi_tt_create_keyed_object_directory_entry(
+ __out void ** hentry,
+ __in uint32_t desired_access,
+ __in void * hdir,
+ __in void * htarget,
+ __in nt_unicode_string * target_name,
+ __in uint32_t key)
+{
+ int32_t status;
+ nt_oa oa;
+ nt_unicode_string name;
+ wchar16_t keystr[8];
+ uintptr_t buffer[2048/sizeof(uintptr_t)];
+ nt_sqos sqos = {
+ sizeof(sqos),
+ NT_SECURITY_IMPERSONATION,
+ NT_SECURITY_TRACKING_DYNAMIC,
+ 1};
+
+ if (!target_name) {
+ if ((status = __ntapi->zw_query_object(
+ htarget,
+ NT_OBJECT_NAME_INFORMATION,
+ buffer,sizeof(buffer),0)))
+ return status;
+ target_name = (nt_unicode_string *)buffer;
+ }
+
+ __ntapi->tt_uint32_to_hex_utf16(key,keystr);
+
+ name.strlen = sizeof(keystr);
+ name.maxlen = 0;
+ name.buffer = keystr;
+
+ oa.len = sizeof(oa);
+ oa.root_dir = hdir;
+ oa.obj_name = &name;
+ oa.obj_attr = 0;
+ oa.sec_desc = 0;
+ oa.sec_qos = &sqos;
+
+ return __ntapi->zw_create_symbolic_link_object(
+ hentry,
+ desired_access,
+ &oa,target_name);
+}
+
+int32_t __stdcall __ntapi_tt_create_keyed_object_directory(
+ __out void ** hdir,
+ __in uint32_t desired_access,
+ __in const wchar16_t prefix[6],
+ __in nt_guid * guid,
+ __in uint32_t key)
+{
+ return __tt_create_keyed_object_directory(
+ hdir,desired_access,
+ prefix,guid,key,
+ __ntapi->zw_create_directory_object);
+}
+
+int32_t __stdcall __ntapi_tt_open_keyed_object_directory(
+ __out void ** hdir,
+ __in uint32_t desired_access,
+ __in const wchar16_t prefix[6],
+ __in nt_guid * guid,
+ __in uint32_t key)
+{
+ return __tt_create_keyed_object_directory(
+ hdir,desired_access,
+ prefix,guid,key,
+ __ntapi->zw_open_directory_object);
+}