Merge pull request #9118 from jetm/ssl-client2-get-req-host-3.6

Backport 3.6: ssl_client2: Add Host to HTTP GET request
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 929f83d..ec68730 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -109,7 +109,7 @@
 #define DFL_SRTP_MKI            ""
 #define DFL_KEY_OPAQUE_ALG      "none"
 
-#define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
+#define GET_REQUEST "GET %s HTTP/1.0\r\nHost: %s\r\nExtra-header: "
 #define GET_REQUEST_END "\r\n\r\n"
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
@@ -727,7 +727,7 @@
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len, tail_len, request_size;
 
-    ret = mbedtls_snprintf((char *) buf, buf_size, GET_REQUEST, opt.request_page);
+    ret = mbedtls_snprintf((char *) buf, buf_size, GET_REQUEST, opt.request_page, opt.server_name);
     if (ret < 0) {
         return ret;
     }