801ad6a6a9
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
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
#pragma once
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2015 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include "macro.h"
|
|
|
|
typedef struct DnsSearchDomain DnsSearchDomain;
|
|
|
|
typedef enum DnsSearchDomainType {
|
|
DNS_SEARCH_DOMAIN_SYSTEM,
|
|
DNS_SEARCH_DOMAIN_LINK,
|
|
} DnsSearchDomainType;
|
|
|
|
#include "resolved-link.h"
|
|
#include "resolved-manager.h"
|
|
|
|
struct DnsSearchDomain {
|
|
Manager *manager;
|
|
|
|
unsigned n_ref;
|
|
|
|
DnsSearchDomainType type;
|
|
Link *link;
|
|
|
|
char *name;
|
|
|
|
bool marked:1;
|
|
|
|
bool linked:1;
|
|
LIST_FIELDS(DnsSearchDomain, domains);
|
|
};
|
|
|
|
int dns_search_domain_new(
|
|
Manager *m,
|
|
DnsSearchDomain **ret,
|
|
DnsSearchDomainType type,
|
|
Link *link,
|
|
const char *name);
|
|
|
|
DnsSearchDomain* dns_search_domain_ref(DnsSearchDomain *d);
|
|
DnsSearchDomain* dns_search_domain_unref(DnsSearchDomain *d);
|
|
|
|
void dns_search_domain_unlink(DnsSearchDomain *d);
|
|
void dns_search_domain_move_back_and_unmark(DnsSearchDomain *d);
|
|
|
|
void dns_search_domain_unlink_all(DnsSearchDomain *first);
|
|
void dns_search_domain_unlink_marked(DnsSearchDomain *first);
|
|
void dns_search_domain_mark_all(DnsSearchDomain *first);
|
|
|
|
int dns_search_domain_find(DnsSearchDomain *first, const char *name, DnsSearchDomain **ret);
|
|
|
|
static inline const char* DNS_SEARCH_DOMAIN_NAME(DnsSearchDomain *d) {
|
|
return d ? d->name : NULL;
|
|
}
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsSearchDomain*, dns_search_domain_unref);
|