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| author | Lennart Poettering <lennart@poettering.net> | 2016-01-11 20:05:29 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2016-01-11 20:05:29 +0100 |
| commit | d0129ddb9fbb07bed7c8ea51b8031f824bf506fb (patch) | |
| tree | 9467e4acba84631984450893495e50a9bde15720 /src/resolve/resolved-dns-transaction.c | |
| parent | 274b874830b93e6592f190608866133384066a35 (diff) | |
resolved: refuse doing queries for known-obsolete RR types
Given how fragile DNS servers are with some DNS types, and given that we really should avoid confusing them with
known-weird lookups, refuse doing lookups for known-obsolete RR types.
Diffstat (limited to 'src/resolve/resolved-dns-transaction.c')
| -rw-r--r-- | src/resolve/resolved-dns-transaction.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index a6d3a27f8b..9ee10f21c8 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -138,6 +138,8 @@ int dns_transaction_new(DnsTransaction **ret, DnsScope *s, DnsResourceKey *key) /* Don't allow looking up invalid or pseudo RRs */ if (!dns_type_is_valid_query(key->type)) return -EINVAL; + if (dns_type_is_obsolete(key->type)) + return -EOPNOTSUPP; /* We only support the IN class */ if (key->class != DNS_CLASS_IN && key->class != DNS_CLASS_ANY) |