From b4c0ef9970df739af89ea4b358f9026949ced03c Mon Sep 17 00:00:00 2001
From: Luke Howard <lukeh@padl.com>
Date: Sat, 26 Nov 2022 22:38:31 +1100
Subject: [PATCH] asn1: ensure quoting of default string values

5398425c introduced support for propagating ASN.1 default values to the emitted
JSON, but it neglected to quote string values, which caused ASN.1 parsing
errors. Correct this.
---
 lib/asn1/gen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/asn1/gen.c b/lib/asn1/gen.c
index af543d966..06dc6bb70 100644
--- a/lib/asn1/gen.c
+++ b/lib/asn1/gen.c
@@ -1415,7 +1415,9 @@ define_type(int level, const char *name, const char *basename, Type *pt, Type *t
                 if (m->defval) {
                     switch (m->defval->type) {
                     case stringvalue:
-                        defvalp = m->defval->u.stringvalue;
+                        if (asprintf(&defval, "\"%s\"", m->defval->u.stringvalue) < 0 || defval == NULL)
+                            errx(1, "malloc");
+                        defvalp = defval;
                         break;
                     case integervalue:
                         if (asprintf(&defval, "%lld", (long long)m->defval->u.integervalue) < 0 || defval == NULL)