From 9125830de6ab9a8f7a492324b11b1aa18aeaa1ed Mon Sep 17 00:00:00 2001 From: Alexander Alashkin Date: Fri, 25 Nov 2016 08:04:38 +0000 Subject: [PATCH] Fix stkovf in mg_resolve_async_opt PUBLISHED_FROM=8e37c51c6b0bf7d0782f3a997360827471b95d2e --- mongoose.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mongoose.c b/mongoose.c index 60ecba4b..d94e14d2 100644 --- a/mongoose.c +++ b/mongoose.c @@ -10414,9 +10414,9 @@ static int mg_get_ip_address_of_nameserver(char *name, size_t name_len) { } else { /* Try to figure out what nameserver to use */ for (ret = -1; fgets(line, sizeof(line), fp) != NULL;) { - char buf[256]; - if (sscanf(line, "nameserver %255[^\n\t #]s", buf) == 1) { - snprintf(name, name_len, "udp://%s:53", buf); + unsigned int a, b, c, d; + if (sscanf(line, "nameserver %u.%u.%u.%u", &a, &b, &c, &d) == 4) { + snprintf(name, name_len, "udp://%u.%u.%u.%u:53", a, b, c, d); ret = 0; break; }