check body for NULL before using and prevent segfaults

diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c
index dfcc790fe4c3080fc42fff370dcff7eb48c29fd2..f900c9b03cb801289a5f28cb0c659cb7682554b3 100644 (file)
--- a/ext/imap/php_imap.c
+++ b/ext/imap/php_imap.c
@@ -2653,6 +2653,10 @@ PHP_FUNCTION(imap_bodystruct)
        object_init(return_value);
        
        body=mail_body(imap_le_struct->imap_stream, Z_LVAL_PP(msg), Z_STRVAL_PP(section));
+       if (body == NULL) {
+               zval_dtor(return_value);
+               RETURN_FALSE;
+       }
        if (body->type <= TYPEMAX) {
                add_property_long(return_value, "type", body->type);
        }