From 85a895c59fa5d268176a9ca243c6c515f54c7f24 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Wed, 11 Feb 2026 02:35:02 +0100
Subject: [PATCH] cli_hx_download: add Schannel support

Fixes:
```
$ wine libtests.exe cli_hx_download https://curl.se/
[...]
Assertion failed: t->checked_ssl, file .../curl/tests/libtest/cli_hx_download.c, line 563
```

into:
```
[t-0] info Schannel TLS version 0x00000800
```

Refs:
https://learn.microsoft.com/windows/win32/secauthn/querycontextattributes--general
https://learn.microsoft.com/windows/win32/api/schannel/ns-schannel-secpkgcontext_connectioninfo

Ref: c220674ac451231e05df1686bd3da473e5c37252 #20564
Follow-up to ba9ddb935794a9fdd6906f043102a0d3e5795113 #18066

Closes #20556
---
 tests/libtest/cli_hx_download.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/tests/libtest/cli_hx_download.c b/tests/libtest/cli_hx_download.c
index 5a37fcbab3..5daac8364e 100644
--- a/tests/libtest/cli_hx_download.c
+++ b/tests/libtest/cli_hx_download.c
@@ -42,6 +42,11 @@
 #ifdef USE_RUSTLS
 #include <rustls.h>
 #endif
+#ifdef USE_SCHANNEL
+#include <sspi.h>  /* for CtxtHandle, QueryContextAttributes() */
+#include <schannel.h>  /* for SecPkgContext_ConnectionInfo,
+                          SECPKG_ATTR_CONNECTION_INFO */
+#endif
 
 static int verbose_d = 1;
 
@@ -133,7 +138,8 @@ static int my_progress_d_cb(void *userdata,
   }
 
 #if defined(USE_QUICHE) || defined(USE_OPENSSL) || defined(USE_WOLFSSL) || \
-  defined(USE_GNUTLS) || defined(USE_MBEDTLS) || defined(USE_RUSTLS)
+  defined(USE_GNUTLS) || defined(USE_MBEDTLS) || defined(USE_RUSTLS) || \
+  defined(USE_SCHANNEL)
   if(!t->checked_ssl && dlnow > 0) {
     struct curl_tlssessioninfo *tls;
     CURLcode result;
@@ -196,6 +202,21 @@ static int my_progress_d_cb(void *userdata,
                       t->idx, v);
         break;
       }
+#endif
+#ifdef USE_SCHANNEL
+      case CURLSSLBACKEND_SCHANNEL: {
+        CtxtHandle *ctxt_handle = (CtxtHandle *)tls->internals;
+        SecPkgContext_ConnectionInfo info;
+        SECURITY_STATUS sspi_status;
+        sspi_status = QueryContextAttributes(ctxt_handle,
+                                             SECPKG_ATTR_CONNECTION_INFO,
+                                             &info);
+        assert(sspi_status == SEC_E_OK);
+        (void)sspi_status;
+        curl_mfprintf(stderr, "[t-%zu] info Schannel TLS version 0x%08lx\n",
+                      t->idx, info.dwProtocol);
+        break;
+      }
 #endif
       default:
         curl_mfprintf(stderr, "[t-%zu] info SSL_PTR backend=%d, ptr=%p\n",