From: Mark Andrews <marka@isc.org>
Date: Sun, 22 Mar 2020 23:28:33 +0000 (+1100)
Subject: Escape double quote when printing quoted string.
X-Git-Tag: v9.17.2~107^2~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b02081d423dd9f0f038112a6fed32c15dfce248f;p=thirdparty%2Fbind9.git

Escape double quote when printing quoted string.

When we were printing quoted string, the double quotes where unescaped
leading to prematurely ending the quoted string.
---

diff --git a/lib/isccfg/parser.c b/lib/isccfg/parser.c
index 4cef5bc83f9..154311ace43 100644
--- a/lib/isccfg/parser.c
+++ b/lib/isccfg/parser.c
@@ -1671,7 +1671,12 @@ cfg_print_ustring(cfg_printer_t *pctx, const cfg_obj_t *obj) {
 static void
 print_qstring(cfg_printer_t *pctx, const cfg_obj_t *obj) {
 	cfg_print_cstr(pctx, "\"");
-	cfg_print_ustring(pctx, obj);
+	for (size_t i = 0; i < obj->value.string.length; i++) {
+		if (obj->value.string.base[i] == '"') {
+			cfg_print_cstr(pctx, "\\");
+		}
+		cfg_print_chars(pctx, &obj->value.string.base[i], 1);
+	}
 	cfg_print_cstr(pctx, "\"");
 }