CONTRIB-2513 Update contrib/libs/curl to 7.80.0

ref:9f073731f38021df100328c1b343280bf6632e23

1 files changed, 47 insertions, 6 deletions

diff --git a/contrib/libs/curl/lib/version_win32.c b/contrib/libs/curl/lib/version_win32.c
index b8157e9893..2f845413cc 100644
--- a/contrib/libs/curl/lib/version_win32.c
+++ b/contrib/libs/curl/lib/version_win32.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2016 - 2020, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2016 - 2021, Steve Holme, <steve_holme@hotmail.com>.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -26,11 +26,28 @@
 
 #include <curl/curl.h>
 #include "version_win32.h"
+#include "warnless.h"
 
 /* The last #include files should be: */
 #include "curl_memory.h"
 #include "memdebug.h"
 
+/* This Unicode version struct works for VerifyVersionInfoW (OSVERSIONINFOEXW)
+   and RtlVerifyVersionInfo (RTLOSVERSIONINFOEXW) */
+struct OUR_OSVERSIONINFOEXW {
+  ULONG  dwOSVersionInfoSize;
+  ULONG  dwMajorVersion;
+  ULONG  dwMinorVersion;
+  ULONG  dwBuildNumber;
+  ULONG  dwPlatformId;
+  WCHAR  szCSDVersion[128];
+  USHORT wServicePackMajor;
+  USHORT wServicePackMinor;
+  USHORT wSuiteMask;
+  UCHAR  wProductType;
+  UCHAR  wReserved;
+};
+
 /*
  * curlx_verify_windows_version()
  *
@@ -152,12 +169,23 @@ bool curlx_verify_windows_version(const unsigned int majorVersion,
   }
 #else
   ULONGLONG cm = 0;
-  OSVERSIONINFOEX osver;
+  struct OUR_OSVERSIONINFOEXW osver;
   BYTE majorCondition;
   BYTE minorCondition;
   BYTE spMajorCondition;
   BYTE spMinorCondition;
 
+  typedef LONG (APIENTRY *RTLVERIFYVERSIONINFO_FN)
+    (struct OUR_OSVERSIONINFOEXW *, ULONG, ULONGLONG);
+  static RTLVERIFYVERSIONINFO_FN pRtlVerifyVersionInfo;
+  static bool onetime = true; /* safe because first call is during init */
+
+  if(onetime) {
+    pRtlVerifyVersionInfo = CURLX_FUNCTION_CAST(RTLVERIFYVERSIONINFO_FN,
+      (GetProcAddress(GetModuleHandleA("ntdll"), "RtlVerifyVersionInfo")));
+    onetime = false;
+  }
+
   switch(condition) {
   case VERSION_LESS_THAN:
     majorCondition = VER_LESS;
@@ -214,10 +242,23 @@ bool curlx_verify_windows_version(const unsigned int majorVersion,
   if(platform != PLATFORM_DONT_CARE)
     cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
 
-  if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
-                                VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
-                       cm))
-    matched = TRUE;
+  /* Later versions of Windows have version functions that may not return the
+     real version of Windows unless the application is so manifested. We prefer
+     the real version always, so we use the Rtl variant of the function when
+     possible. Note though the function signatures have underlying fundamental
+     types that are the same, the return values are different. */
+  if(pRtlVerifyVersionInfo) {
+    matched = !pRtlVerifyVersionInfo(&osver,
+      (VER_MAJORVERSION | VER_MINORVERSION |
+       VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
+      cm);
+  }
+  else {
+    matched = !!VerifyVersionInfoW((OSVERSIONINFOEXW *)&osver,
+      (VER_MAJORVERSION | VER_MINORVERSION |
+       VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
+      cm);
+  }
 #endif
 
   return matched;