Latest update - 7296

src/http/v2/ngx_http_v2.c

@@ -2629,18 +2629,13 @@ ngx_http_v2_push_stream(ngx_http_v2_stream_t *parent, ngx_str_t *path)
     r->method_name = ngx_http_core_get_method;
     r->method = NGX_HTTP_GET;
 
-    r->schema_start = (u_char *) "https";
-
-#if (NGX_HTTP_SSL)
-    if (fc->ssl) {
-        r->schema_end = r->schema_start + 5;
-
-    } else
-#endif
-    {
-        r->schema_end = r->schema_start + 4;
+    r->schema.data = ngx_pstrdup(pool, &parent->request->schema);
+    if (r->schema.data == NULL) {
+        goto close;
     }
 
+    r->schema.len = parent->request->schema.len;
+
     value.data = ngx_pstrdup(pool, path);
     if (value.data == NULL) {
         goto close;
@@ -3487,7 +3482,10 @@ ngx_http_v2_parse_method(ngx_http_request_t *r, ngx_str_t *value)
 static ngx_int_t
 ngx_http_v2_parse_scheme(ngx_http_request_t *r, ngx_str_t *value)
 {
-    if (r->schema_start) {
+    u_char      c, ch;
+    ngx_uint_t  i;
+
+    if (r->schema.len) {
         ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
                       "client sent duplicate :scheme header");
 
@@ -3501,8 +3499,27 @@ ngx_http_v2_parse_scheme(ngx_http_request_t *r, ngx_str_t *value)
         return NGX_DECLINED;
     }
 
-    r->schema_start = value->data;
-    r->schema_end = value->data + value->len;
+    for (i = 0; i < value->len; i++) {
+        ch = value->data[i];
+
+        c = (u_char) (ch | 0x20);
+        if (c >= 'a' && c <= 'z') {
+            continue;
+        }
+
+        if (((ch >= '0' && ch <= '9') || ch == '+' || ch == '-' || ch == '.')
+            && i > 0)
+        {
+            continue;
+        }
+
+        ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
+                      "client sent invalid :scheme header: \"%V\"", value);
+
+        return NGX_DECLINED;
+    }
+
+    r->schema = *value;
 
     return NGX_OK;
 }
@@ -3565,14 +3582,14 @@ ngx_http_v2_construct_request_line(ngx_http_request_t *r)
     static const u_char ending[] = " HTTP/2.0";
 
     if (r->method_name.len == 0
-        || r->schema_start == NULL
+        || r->schema.len == 0
         || r->unparsed_uri.len == 0)
     {
         if (r->method_name.len == 0) {
             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
                           "client sent no :method header");
 
-        } else if (r->schema_start == NULL) {
+        } else if (r->schema.len == 0) {
             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
                           "client sent no :scheme header");