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| author | Tom Gundersen <teg@jklm.no> | 2015-11-27 01:18:38 +0100 |
|---|---|---|
| committer | Tom Gundersen <teg@jklm.no> | 2015-11-27 01:18:38 +0100 |
| commit | 90c739259fc35feb773b953d61f75790cacf6b15 (patch) | |
| tree | a3057f2649986351c1364626261f46f1880ad7d6 /src/resolve/resolved-dns-packet.h | |
| parent | 8a7a7e971e97830fd722fb73ef87f7180180cc27 (diff) | |
| parent | daa27350c373b3b177f86e89c0d1dbe0b94554d6 (diff) | |
Merge pull request #2042 from poettering/resolved-various-3
resolved: Flush caches more agressively, fixes #2038
Diffstat (limited to 'src/resolve/resolved-dns-packet.h')
| -rw-r--r-- | src/resolve/resolved-dns-packet.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h index 48df5dfc53..90b5a7c8bd 100644 --- a/src/resolve/resolved-dns-packet.h +++ b/src/resolve/resolved-dns-packet.h @@ -177,6 +177,14 @@ void dns_packet_rewind(DnsPacket *p, size_t idx); int dns_packet_skip_question(DnsPacket *p); int dns_packet_extract(DnsPacket *p); +static inline bool DNS_PACKET_SHALL_CACHE(DnsPacket *p) { + /* Never cache data originating from localhost, under the + * assumption, that it's coming from a locally DNS forwarder + * or server, that is caching on its own. */ + + return in_addr_is_localhost(p->family, &p->sender) == 0; +} + enum { DNS_RCODE_SUCCESS = 0, DNS_RCODE_FORMERR = 1, |