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Provides an optional resolver mechanism for Firefox that allows running together with or instead of the native resolver. TRR offers resolving of host names using a dedicated DNS-over-HTTPS server (HTTPS is required, HTTP/2 is preferable). DNS-over-HTTPS (DOH) allows DNS resolves with enhanced privacy, secure transfers and improved performance. To keep the failure rate at a minimum, the TRR system manages a dynamic persistent blacklist for host names that can't be resolved with DOH but works with the native resolver. Blacklisted entries will not be retried over DOH for a couple of days. "localhost" and names in the ".local" TLD will not be resolved via DOH. TRR is preffed OFF by default and you need to set a URI for an available DOH server to be able to use it. Since the URI for DOH is set with a name itself, it may have to use the native resolver for bootstrapping. (Optionally, the user can set the IP address of the DOH server in a pref to avoid the required initial native resolve.) When TRR starts up, it will first verify that it works by checking a "confirmation" domain name. This confirmation domain is a pref by default set to "example.com". TRR will also by default await the captive-portal detection to raise its green flag before getting activated. All prefs for TRR are under the "network.trr" hierarchy. The DNS-over-HTTPS spec: https://tools.ietf.org/html/draft-ietf-doh-dns-over-https-03 MozReview-Commit-ID: GuuU6vjTjlm --HG-- extra : rebase_source : 53fcca757334090ac05fec540ef29d109d5ceed3
106 lines
3.1 KiB
Plaintext
106 lines
3.1 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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%{ C++
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namespace mozilla {
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namespace net {
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union NetAddr;
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}
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}
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#include "nsTArrayForwardDeclare.h"
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%}
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native NetAddr(mozilla::net::NetAddr);
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[ref] native nsNetAddrTArrayRef(nsTArray<mozilla::net::NetAddr>);
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interface nsINetAddr;
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/**
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* nsIDNSRecord
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*
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* this interface represents the result of a DNS lookup. since a DNS
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* query may return more than one resolved IP address, the record acts
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* like an enumerator, allowing the caller to easily step through the
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* list of IP addresses.
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*/
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[scriptable, uuid(f92228ae-c417-4188-a604-0830a95e7eb9)]
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interface nsIDNSRecord : nsISupports
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{
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/**
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* @return the canonical hostname for this record. this value is empty if
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* the record was not fetched with the RESOLVE_CANONICAL_NAME flag.
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*
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* e.g., www.mozilla.org --> rheet.mozilla.org
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*/
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readonly attribute ACString canonicalName;
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/**
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* this function copies the value of the next IP address into the
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* given NetAddr struct and increments the internal address iterator.
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*
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* @param aPort
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* A port number to initialize the NetAddr with.
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*
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* @throws NS_ERROR_NOT_AVAILABLE if there is not another IP address in
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* the record.
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*/
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[noscript] NetAddr getNextAddr(in uint16_t aPort);
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/**
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* this function copies the value of all working members of the RR
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* set into the output array.
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*
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* @param aAddressArray
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* The result set
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*/
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[noscript] void getAddresses(out nsNetAddrTArrayRef aAddressArray);
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/**
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* this function returns the value of the next IP address as a
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* scriptable address and increments the internal address iterator.
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*
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* @param aPort
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* A port number to initialize the nsINetAddr with.
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*
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* @throws NS_ERROR_NOT_AVAILABLE if there is not another IP address in
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* the record.
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*/
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nsINetAddr getScriptableNextAddr(in uint16_t aPort);
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/**
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* this function returns the value of the next IP address as a
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* string and increments the internal address iterator.
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*
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* @throws NS_ERROR_NOT_AVAILABLE if there is not another IP address in
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* the record.
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*/
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ACString getNextAddrAsString();
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/**
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* this function returns true if there is another address in the record.
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*/
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boolean hasMore();
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/**
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* this function resets the internal address iterator to the first
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* address in the record.
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*/
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void rewind();
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/**
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* This function indicates that the last address obtained via getNextAddr*()
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* was not usuable and should be skipped in future uses of this
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* record if other addresses are available.
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*
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* @param aPort is the port number associated with the failure, if any.
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* It may be zero if not applicable.
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*/
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void reportUnusable(in uint16_t aPort);
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/**
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* Record retreived with TRR.
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*/
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bool IsTRR();
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};
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