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Fix CNAME buff too short issue

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This commit is contained in:
Nick Peng
2019-10-07 23:14:23 +08:00
parent 65e8cd5e61
commit 9213f898c3
2 changed files with 9 additions and 4 deletions
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8
src/dns_server.c
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@@ -1428,13 +1428,13 @@ static int _dns_server_process_answer(struct dns_request *request, char *domain,
request->rcode = packet->head.rcode;
} break;
case DNS_T_NS: {
char cname[128];
dns_get_CNAME(rrs, name, 128, &ttl, cname, 128);
char cname[DNS_MAX_CNAME_LEN];
dns_get_CNAME(rrs, name, DNS_MAX_CNAME_LEN, &ttl, cname, DNS_MAX_CNAME_LEN);
tlog(TLOG_DEBUG, "NS: %s ttl:%d cname: %s\n", name, ttl, cname);
} break;
case DNS_T_CNAME: {
char cname[128];
dns_get_CNAME(rrs, name, 128, &ttl, cname, 128);
char cname[DNS_MAX_CNAME_LEN];
dns_get_CNAME(rrs, name, DNS_MAX_CNAME_LEN, &ttl, cname, DNS_MAX_CNAME_LEN);
tlog(TLOG_DEBUG, "name:%s ttl: %d cname: %s\n", name, ttl, cname);
safe_strncpy(request->cname, cname, DNS_MAX_CNAME_LEN);
request->ttl_cname = ttl;