diff options
Diffstat (limited to 'source4/dns_server/dns_query.c')
| -rw-r--r-- | source4/dns_server/dns_query.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source4/dns_server/dns_query.c b/source4/dns_server/dns_query.c index e8de304c8bb..fafadb6ac6f 100644 --- a/source4/dns_server/dns_query.c +++ b/source4/dns_server/dns_query.c @@ -40,6 +40,7 @@ #undef DBGC_CLASS #define DBGC_CLASS DBGC_DNS +#define MAX_Q_RECURSION_DEPTH 20 struct forwarder_string { const char *forwarder; @@ -470,6 +471,11 @@ static struct tevent_req *handle_dnsrpcrec_send( state->answers = answers; state->nsrecs = nsrecs; + if (talloc_array_length(*answers) >= MAX_Q_RECURSION_DEPTH) { + tevent_req_done(req); + return tevent_req_post(req, ev); + } + resolve_cname = ((rec->wType == DNS_TYPE_CNAME) && ((question->question_type == DNS_QTYPE_A) || (question->question_type == DNS_QTYPE_AAAA))); |