From 6729c897b1b601679f019acfc3765b6a05ccacfd Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 2 May 2018 22:28:04 +0000
Subject: object directory interfaces: integrated device- and node-related
 interfaces.

---
 src/object/ntapi_tt_keyed_object_directory.c | 60 ++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

(limited to 'src/object')

diff --git a/src/object/ntapi_tt_keyed_object_directory.c b/src/object/ntapi_tt_keyed_object_directory.c
index b79f3b6..77a6aff 100644
--- a/src/object/ntapi_tt_keyed_object_directory.c
+++ b/src/object/ntapi_tt_keyed_object_directory.c
@@ -278,6 +278,66 @@ int32_t __stdcall __ntapi_tt_create_ipc_object_directory_entry(
 		hdir,htarget,target_name,key);
 }
 
+int32_t __stdcall __ntapi_tt_open_dev_object_directory(
+	__out	void **			hdir,
+	__in	uint32_t		desired_access,
+	__in	const wchar16_t		prefix[6],
+	__in	const nt_guid *		ipc_guid)
+{
+	return __tt_create_ipc_object_directory(
+		hdir,desired_access,
+		prefix,ipc_guid);
+}
+
+int32_t __stdcall __ntapi_tt_create_dev_object_directory_entry(
+	__out	void **			hentry,
+	__in	uint32_t		desired_access,
+	__in	void *			hdir,
+	__in	void *			htarget,
+	__in	nt_unicode_string *	target_name,
+	__in	const nt_guid *		dev_guid)
+{
+	int32_t			status;
+	nt_oa			oa;
+	nt_unicode_string	name;
+	nt_sd_common_buffer	sd;
+	nt_guid_str_utf16	guidstr;
+	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;
+	}
+
+	__ipc_sd_init(&sd,0);
+	__ntapi->tt_guid_to_string_utf16(dev_guid,&guidstr);
+
+	name.strlen = sizeof(guidstr);
+	name.maxlen = 0;
+	name.buffer = &guidstr.lbrace;
+
+	oa.len		= sizeof(oa);
+	oa.root_dir	= hdir;
+	oa.obj_name	= &name;
+	oa.obj_attr	= 0;
+	oa.sec_desc	= &sd.sd;
+	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,
-- 
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