Alexandre Julliard : winebuild: Set ASLR-related dll flags by default.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 518e394794160818ffe6826c874ff2f550c95bbb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/518e394794160818ffe6826c874ff2f...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Mon Sep 25 19:07:47 2023 +0200

winebuild: Set ASLR-related dll flags by default.

---

 tools/winebuild/build.h | 14 ++++++++++++--
 tools/winebuild/main.c  |  5 +++++
 tools/winebuild/utils.c |  2 +-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index dfa8574a5da..96bb0ce16c5 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -216,8 +216,18 @@ static inline int is_pe(void)
 #define IMAGE_FILE_UP_SYSTEM_ONLY	   0x4000
 #define IMAGE_FILE_BYTES_REVERSED_HI	   0x8000
 
-#define IMAGE_DLLCHARACTERISTICS_PREFER_NATIVE 0x0010 /* Wine extension */
-#define IMAGE_DLLCHARACTERISTICS_NX_COMPAT     0x0100
+#define IMAGE_DLLCHARACTERISTICS_PREFER_NATIVE         0x0010 /* Wine extension */
+#define IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA       0x0020
+#define IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE          0x0040
+#define IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY       0x0080
+#define IMAGE_DLLCHARACTERISTICS_NX_COMPAT             0x0100
+#define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION          0x0200
+#define IMAGE_DLLCHARACTERISTICS_NO_SEH                0x0400
+#define IMAGE_DLLCHARACTERISTICS_NO_BIND               0x0800
+#define IMAGE_DLLCHARACTERISTICS_APPCONTAINER          0x1000
+#define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER            0x2000
+#define IMAGE_DLLCHARACTERISTICS_GUARD_CF              0x4000
+#define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE 0x8000
 
 #define	IMAGE_SUBSYSTEM_NATIVE      1
 #define	IMAGE_SUBSYSTEM_WINDOWS_GUI 2
diff --git a/tools/winebuild/main.c b/tools/winebuild/main.c
index c5f5b56c20e..ac925471771 100644
--- a/tools/winebuild/main.c
+++ b/tools/winebuild/main.c
@@ -641,9 +641,14 @@ int main(int argc, char **argv)
         /* fall through */
     case MODE_EXE:
         if (get_ptr_size() == 4)
+        {
             spec->characteristics |= IMAGE_FILE_32BIT_MACHINE;
+        }
         else
+        {
             spec->characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
+            spec->dll_characteristics |= IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA;
+        }
 
         files = load_resources( files, spec );
         if (spec_file_name && !parse_input_file( spec )) break;
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 64437acf9ce..77478476b1c 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -629,7 +629,7 @@ DLLSPEC *alloc_dll_spec(void)
     spec->subsystem_major    = 4;
     spec->subsystem_minor    = 0;
     spec->syscall_table      = 0;
-    spec->dll_characteristics = IMAGE_DLLCHARACTERISTICS_NX_COMPAT;
+    spec->dll_characteristics = IMAGE_DLLCHARACTERISTICS_NX_COMPAT | IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE;
     return spec;
 }