From 1717a8ab178466bb73fd4c0a7fba1402df9deef0 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Fri, 18 Nov 2022 17:29:49 +0000
Subject: ipc helper interfaces: allow requesting an existing connection.

---
 src/ipc/ntapi_ipc_connect.c | 43 ++++++++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 15 deletions(-)

(limited to 'src/ipc')

diff --git a/src/ipc/ntapi_ipc_connect.c b/src/ipc/ntapi_ipc_connect.c
index 21a7146..700ac37 100644
--- a/src/ipc/ntapi_ipc_connect.c
+++ b/src/ipc/ntapi_ipc_connect.c
@@ -475,7 +475,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_attr(
 	__in	nt_port_attr *	attr,
 	__out	void **		hsection,
 	__out	void **		secaddr,
-	__out	size_t *	secsize)
+	__out	size_t *	secsize,
+	__in	int		fexisting)
 {
 	nt_port_name		name;
 	nt_unicode_string	str;
@@ -489,7 +490,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_attr(
 
 	return __ipc_connect_by_attr(
 		hport,attr,&str,0,
-		hsection,secaddr,secsize,0);
+		hsection,secaddr,secsize,
+		fexisting);
 }
 
 
@@ -498,7 +500,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_name(
 	__in	nt_port_name *	name,
 	__out	void **		hsection,
 	__out	void **		secaddr,
-	__out	size_t *	secsize)
+	__out	size_t *	secsize,
+	__in	int		fexisting)
 {
 	int32_t			status;
 	nt_port_attr		attr;
@@ -513,7 +516,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_name(
 
 	return __ipc_connect_by_attr(
 		hport,&attr,&str,0,
-		hsection,secaddr,secsize,0);
+		hsection,secaddr,secsize,
+		fexisting);
 }
 
 
@@ -522,7 +526,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_symlink(
 	__in	void *		hsymlink,
 	__out	void **		hsection,
 	__out	void **		secaddr,
-	__out	size_t *	secsize)
+	__out	size_t *	secsize,
+	__in	int		fexisting)
 {
 	int32_t			status;
 	nt_port_attr		attr;
@@ -550,7 +555,8 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_symlink(
 
 	return __ipc_connect_by_attr(
 		hport,&attr,str,0,
-		hsection,secaddr,secsize,0);
+		hsection,secaddr,secsize,
+		fexisting);
 }
 
 
@@ -563,43 +569,50 @@ int32_t __stdcall __ntapi_ipc_connect_section_by_port(
 {
 	return __ipc_connect_by_attr(
 		&(void *){0},attr,0,hconn,
-		hsection,secaddr,secsize,0);
+		hsection,secaddr,secsize,
+		false);
 }
 
 
 int32_t __stdcall __ntapi_ipc_connect_by_attr(
 	__out	void **		hport,
-	__in	nt_port_attr *	attr)
+	__in	nt_port_attr *	attr,
+	__in	int		fexisting)
 {
 	return __ntapi_ipc_connect_section_by_attr(
 		hport,attr,
 		&(void *){0},
 		&(void *){0},
-		&(size_t){0});
+		&(size_t){0},
+		fexisting);
 }
 
 
 int32_t __stdcall __ntapi_ipc_connect_by_name(
 	__out	void **		hport,
-	__in	nt_port_name *	name)
+	__in	nt_port_name *	name,
+	__in	int		fexisting)
 {
 	return __ntapi_ipc_connect_section_by_name(
 		hport,name,
 		&(void *){0},
 		&(void *){0},
-		&(size_t){0});
+		&(size_t){0},
+		fexisting);
 }
 
 
 int32_t __stdcall __ntapi_ipc_connect_by_symlink(
 	__out	void **		hport,
-	__in	void *		hsymlink)
+	__in	void *		hsymlink,
+	__in	int		fexisting)
 {
 	return __ntapi_ipc_connect_section_by_symlink(
 		hport,hsymlink,
 		&(void *){0},
 		&(void *){0},
-		&(size_t){0});
+		&(size_t){0},
+		fexisting);
 }
 
 
@@ -624,7 +637,7 @@ int32_t __stdcall __ntapi_ipc_get_port_by_attr(
 		&(void *){0},
 		&(void *){0},
 		&(size_t){0},
-		1);
+		true);
 }
 
 
@@ -640,7 +653,7 @@ int32_t __stdcall __ntapi_ipc_get_port_section_by_attr(
 		hsection,
 		section_addr,
 		section_size,
-		1);
+		true);
 }
 
 
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