From 801ad6a6a9cd8fbd58b9f9c27f20dbb3c87d47dd Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 25 Nov 2015 20:47:27 +0100 Subject: resolved: fully support DNS search domains This adds support for searching single-label hostnames in a set of configured search domains. A new object DnsQueryCandidate is added that links queries to scopes. It keeps track of the search domain last used for a query on a specific link. Whenever a host name was unsuccessfuly resolved on a scope all its transactions are flushed out and replaced by a new set, with the next search domain appended. This also adds a new flag SD_RESOLVED_NO_SEARCH to disable search domain behaviour. The "systemd-resolve-host" tool is updated to make this configurable via --search=. Fixes #1697 --- src/resolve/resolved-dns-scope.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/resolve/resolved-dns-scope.h') diff --git a/src/resolve/resolved-dns-scope.h b/src/resolve/resolved-dns-scope.h index f69d51b203..244bb41314 100644 --- a/src/resolve/resolved-dns-scope.h +++ b/src/resolve/resolved-dns-scope.h @@ -59,6 +59,7 @@ struct DnsScope { usec_t max_rtt; Hashmap *transactions; + LIST_HEAD(DnsQueryCandidate, query_candidates); LIST_FIELDS(DnsScope, scopes); }; @@ -91,3 +92,6 @@ void dns_scope_check_conflicts(DnsScope *scope, DnsPacket *p); void dns_scope_dump(DnsScope *s, FILE *f); DnsSearchDomain *dns_scope_get_search_domains(DnsScope *s); +bool dns_scope_has_search_domains(DnsScope *s); + +int dns_scope_name_needs_search_domain(DnsScope *s, const char *name); -- cgit v1.2.3-54-g00ecf