wininet: Support option INTERNET_OPTION_SERVER_CERT_CHAIN_CONTEXT for http requests.

dlls/wininet/http.c

@@ -2322,6 +2322,19 @@ static DWORD HTTPREQ_QueryOption(object_header_t *hdr, DWORD option, void *buffe
         *(ULONG*)buffer = hdr->ErrorMask;
         *size = sizeof(ULONG);
         return ERROR_SUCCESS;
+    case INTERNET_OPTION_SERVER_CERT_CHAIN_CONTEXT:
+        TRACE("INTERNET_OPTION_SERVER_CERT_CHAIN_CONTEXT\n");
+
+        if (*size < sizeof(PCCERT_CHAIN_CONTEXT))
+            return ERROR_INSUFFICIENT_BUFFER;
+
+        if (!req->server->cert_chain)
+            return ERROR_INTERNET_INCORRECT_HANDLE_STATE;
+
+        *(PCCERT_CHAIN_CONTEXT *)buffer = CertDuplicateCertificateChain(req->server->cert_chain);
+        *size = sizeof(PCCERT_CHAIN_CONTEXT);
+
+        return ERROR_SUCCESS;
     }
 
     return INET_QueryOption(hdr, option, buffer, size, unicode);

dlls/wininet/tests/http.c

@@ -6855,6 +6855,7 @@ static void test_secure_connection(void)
     INTERNET_CERTIFICATE_INFOW *certificate_structW = NULL;
     char certstr1[512], certstr2[512];
     BOOL ret;
+    PCCERT_CHAIN_CONTEXT chain;
 
     ses = InternetOpenA("Gizmo5", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
     ok(ses != NULL, "InternetOpen failed\n");
@@ -6886,6 +6887,13 @@ static void test_secure_connection(void)
 
     test_cert_struct(req, &test_winehq_org_cert);
 
+    size = sizeof(chain);
+    SetLastError(0xdeadbeef);
+    ret = InternetQueryOptionA(req, INTERNET_OPTION_SERVER_CERT_CHAIN_CONTEXT, &chain, &size);
+    ok(ret || GetLastError() == ERROR_INTERNET_INCORRECT_HANDLE_TYPE /* < IE8 */,
+       "InternetQueryOption failed: %u\n", GetLastError());
+    if (ret) CertFreeCertificateChain(chain);
+
     /* Querying the same option through InternetQueryOptionW still results in
      * ANSI strings being returned.
      */
@@ -7825,6 +7833,7 @@ static void test_cert_string(void)
     char actual[512];
     DWORD size;
     BOOL res;
+    PCCERT_CHAIN_CONTEXT chain;
 
     ses = InternetOpenA( "winetest", 0, NULL, NULL, 0 );
     ok( ses != NULL, "InternetOpenA failed\n" );
@@ -7845,6 +7854,12 @@ static void test_cert_string(void)
     ok( size == 0, "unexpected size: %u\n", size );
     ok( actual[0] == 0x55, "unexpected byte: %02x\n", actual[0] );
 
+    size = sizeof(chain);
+    SetLastError(0xdeadbeef);
+    res = InternetQueryOptionA(req, INTERNET_OPTION_SERVER_CERT_CHAIN_CONTEXT, &chain, &size);
+    ok(!res && (GetLastError() == ERROR_INTERNET_INCORRECT_HANDLE_STATE),
+       "InternetQueryOption failed: %u\n", GetLastError());
+
     InternetCloseHandle( req );
     InternetCloseHandle( con );
     InternetCloseHandle( ses );