freerdp/SOURCES/core-info-fix-missing-NULL-check.patch
2026-04-01 13:23:52 -04:00

72 lines
2.1 KiB
Diff

From 6a329a9a1352c9461a3a85e55d84230106b19500 Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Tue, 10 Mar 2026 14:53:29 +0100
Subject: [PATCH] [core,info] fix missing NULL check
Backport of commit 4d44e3c097656a8b9ec696353647b0888ca45860.
Made-with: Cursor
---
libfreerdp/core/info.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/libfreerdp/core/info.c b/libfreerdp/core/info.c
index 9aaa6cff6..56676f0fb 100644
--- a/libfreerdp/core/info.c
+++ b/libfreerdp/core/info.c
@@ -24,6 +24,7 @@
#endif
#include <winpr/crt.h>
+#include <winpr/assert.h>
#include <freerdp/crypto/crypto.h>
#include <freerdp/log.h>
#include <freerdp/session.h>
@@ -1363,10 +1364,11 @@ static BOOL rdp_write_logon_info_v1(wStream* s, logon_info* info)
return TRUE;
}
-static BOOL rdp_write_logon_info_v2(wStream* s, logon_info* info)
+static BOOL rdp_write_logon_info_v2(wStream* s, const logon_info* info)
{
UINT32 Size = 2 + 4 + 4 + 4 + 4 + 558;
- size_t domainLen, usernameLen;
+ size_t domainLen = 0;
+ size_t usernameLen = 0;
int len;
WCHAR* wString = NULL;
@@ -1376,11 +1378,13 @@ static BOOL rdp_write_logon_info_v2(wStream* s, logon_info* info)
Stream_Write_UINT16(s, SAVE_SESSION_PDU_VERSION_ONE);
Stream_Write_UINT32(s, Size);
Stream_Write_UINT32(s, info->sessionId);
- domainLen = strlen(info->domain);
+ if (info->domain)
+ domainLen = strlen(info->domain);
if (domainLen > UINT32_MAX)
return FALSE;
Stream_Write_UINT32(s, (UINT32)(domainLen + 1) * 2);
- usernameLen = strlen(info->username);
+ if (info->username)
+ usernameLen = strlen(info->username);
if (usernameLen > UINT32_MAX)
return FALSE;
Stream_Write_UINT32(s, (UINT32)(usernameLen + 1) * 2);
@@ -1457,10 +1461,11 @@ static BOOL rdp_write_logon_info_ex(wStream* s, logon_info_ex* info)
BOOL rdp_send_save_session_info(rdpContext* context, UINT32 type, void* data)
{
- wStream* s;
BOOL status;
+
+ WINPR_ASSERT(context);
rdpRdp* rdp = context->rdp;
- s = rdp_data_pdu_init(rdp);
+ wStream* s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
--
2.53.0