From a823bc7bd268975d035582e84d3d96149c9f231e Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 20 Dec 2022 22:48:43 +0000
Subject: __ntapi_tt_fork(): changed signature: record cid, return native
 status code.

---
 src/process/ntapi_tt_fork.c | 57 +++++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 28 deletions(-)

(limited to 'src/process/ntapi_tt_fork.c')

diff --git a/src/process/ntapi_tt_fork.c b/src/process/ntapi_tt_fork.c
index e503508..20c7c25 100644
--- a/src/process/ntapi_tt_fork.c
+++ b/src/process/ntapi_tt_fork.c
@@ -1,3 +1,4 @@
+
 /********************************************************/
 /*  ntapi: Native API core library                      */
 /*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
@@ -29,7 +30,7 @@ static int __ipc_memfn(
 	return DALIST_EMEMFN;
 }
 
-static intptr_t __fastcall __ntapi_tt_fork_finalize(void ** hprocess)
+static int32_t __fastcall __ntapi_tt_fork_finalize(void ** hprocess)
 {
 	int32_t			status;
 	int			page;
@@ -89,7 +90,7 @@ static intptr_t __fastcall __ntapi_tt_fork_finalize(void ** hprocess)
 	rtdata->ipc_keys[4] = 0;
 	rtdata->ipc_keys[5] = 0;
 
-	return 0;
+	return NT_STATUS_SUCCESS;
 }
 
 static int32_t __stdcall __fork_thread(void * ctx)
@@ -112,7 +113,7 @@ static int32_t __stdcall __fork_thread(void * ctx)
 			hready,0));
 }
 
-static intptr_t __fastcall __ntapi_tt_fork_child(
+static int32_t __fastcall __ntapi_tt_fork_child(
 	void *		hresumed,
 	void *		hready,
 	void **		hthread)
@@ -185,7 +186,7 @@ static intptr_t __fastcall __ntapi_tt_fork_child(
 		__ntapi->zw_close(hresumed);
 		__ntapi->zw_close(hready);
 		__ntapi->zw_close(tparams.hthread);
-		return 0;
+		return NT_STATUS_SUCCESS;
 	}
 
 	timeout.quad  = (-1) * 10 * 1000 * 250;
@@ -199,7 +200,7 @@ static intptr_t __fastcall __ntapi_tt_fork_child(
 		__ntapi->zw_close(hresumed);
 		__ntapi->zw_close(hready);
 		__ntapi->zw_close(tparams.hthread);
-		return 0;
+		return NT_STATUS_SUCCESS;
 	}
 
 	__ntapi->zw_terminate_thread(
@@ -217,7 +218,7 @@ static intptr_t __fastcall __ntapi_tt_fork_child(
 		__ntapi->zw_close(hresumed);
 		__ntapi->zw_close(hready);
 		__ntapi->zw_close(tparams.hthread);
-		return 0;
+		return NT_STATUS_SUCCESS;
 	}
 
 	return __ntapi->zw_terminate_process(
@@ -248,11 +249,8 @@ static intptr_t __fastcall __ntapi_tt_fork_parent(
 		NT_SYNC_NON_ALERTABLE,
 		&timeout);
 
-	if (status == NT_STATUS_SUCCESS) {
-		__ntapi->zw_close(hresumed);
-		__ntapi->zw_close(hready);
+	if (status == NT_STATUS_SUCCESS)
 		return NT_STATUS_SUCCESS;
-	}
 
 	__ntapi->zw_suspend_thread(
 		*hthread,&prev);
@@ -271,8 +269,6 @@ static intptr_t __fastcall __ntapi_tt_fork_parent(
 		__ntapi->zw_resume_thread(
 			*hthread,0);
 
-		__ntapi->zw_close(hresumed);
-		__ntapi->zw_close(hready);
 		return NT_STATUS_SUCCESS;
 	}
 
@@ -289,12 +285,12 @@ static intptr_t __fastcall __ntapi_tt_fork_parent(
 	return status;
 }
 
-intptr_t __fastcall __ntapi_tt_fork(
+int32_t __fastcall __ntapi_tt_fork(
 	__out	void **		hprocess,
-	__out	void **		hthread)
+	__out	void **		hthread,
+	__out	nt_cid *	cid)
 {
 	int32_t			status;
-	intptr_t		pid;
 	void *			hresumed;
 	void *			hready;
 	int			i;
@@ -303,42 +299,47 @@ intptr_t __fastcall __ntapi_tt_fork(
 			&hresumed,
 			NT_NOTIFICATION_EVENT,
 			NT_EVENT_NOT_SIGNALED)))
-		return -1;
+		return status;
 
 	if ((status = __ntapi->tt_create_inheritable_event(
 			&hready,
 			NT_NOTIFICATION_EVENT,
 			NT_EVENT_NOT_SIGNALED)))
-		return -1;
+		return status;
 
 	for (i=0; i<32; i++) {
 		if (__ntapi->zw_create_user_process)
-			pid = __ntapi_tt_fork_v2(hprocess,hthread);
+			status = __ntapi_tt_fork_v2(hprocess,hthread,cid);
 		else
-			pid = __ntapi_tt_fork_v1(hprocess,hthread);
+			status = __ntapi_tt_fork_v1(hprocess,hthread,cid);
 
-		if (pid == 0) {
+		if (status) {
+			__ntapi->zw_close(hresumed);
+			__ntapi->zw_close(hready);
+			return status;
+		}
+
+		if (cid->process_id == 0) {
 			__ntapi_tt_fork_child(
 				hresumed,hready,hthread);
 
 			return __ntapi_tt_fork_finalize(
 				hprocess);
+		}
 
-		} else if (pid > 0) {
-			if (!(__ntapi_tt_fork_parent(
-					hprocess,hthread,
-					hresumed,hready)))
-				return pid;
+		status = __ntapi_tt_fork_parent(
+			hprocess,hthread,
+			hresumed,hready);
 
-		} else {
+		if (status == NT_STATUS_SUCCESS) {
 			__ntapi->zw_close(hresumed);
 			__ntapi->zw_close(hready);
-			return -1;
+			return NT_STATUS_SUCCESS;
 		}
 	}
 
 	__ntapi->zw_close(hresumed);
 	__ntapi->zw_close(hready);
 
-	return -1;
+	return NT_STATUS_UNSUCCESSFUL;
 }
-- 
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