/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsISupports.idl" [scriptable, uuid(e61b5d39-f6d6-4ed3-aead-1213b24c6f27)] interface nsITRRSkipReason: nsISupports { // IMPORTANT: when adding new values, always add them to the end, otherwise // it will mess up telemetry. // When adding a reason here, make sure it is documented in // netwerk/docs/dns/trr-skip-reasons.md cenum value: 32 { TRR_UNSET = 0, TRR_OK = 1, // Only set when we actually got a positive TRR result TRR_NO_GSERVICE = 2, // no gService TRR_PARENTAL_CONTROL = 3, // parental control is on TRR_OFF_EXPLICIT = 4, // user has set mode5 TRR_REQ_MODE_DISABLED = 5, // request has disabled flags set TRR_MODE_NOT_ENABLED = 6, // mode0 TRR_FAILED = 7, // unknown failure TRR_MODE_UNHANDLED_DEFAULT = 8, // Unhandled case in ComputeEffectiveMode TRR_MODE_UNHANDLED_DISABLED = 9, // Unhandled case in ComputeEffectiveMode TRR_DISABLED_FLAG = 10, // the DISABLE_TRR flag was set TRR_TIMEOUT = 11, // the TRR channel timed out TRR_CHANNEL_DNS_FAIL = 12, // DoH server name failed to resolve TRR_IS_OFFLINE = 13, // The browser is offline/no interfaces up TRR_NOT_CONFIRMED = 14, // TRR confirmation is not done yet TRR_DID_NOT_MAKE_QUERY = 15, // TrrLookup exited without doing a TRR query TRR_UNKNOWN_CHANNEL_FAILURE = 16, // unknown channel failure reason TRR_HOST_BLOCKED_TEMPORARY = 17, // host blocklisted TRR_SEND_FAILED = 18, // The call to TRR::SendHTTPRequest failed TRR_NET_RESET = 19, // NS_ERROR_NET_RESET TRR_NET_TIMEOUT = 20, // NS_ERROR_NET_TIMEOUT TRR_NET_REFUSED = 21, // NS_ERROR_CONNECTION_REFUSED TRR_NET_INTERRUPT = 22, // NS_ERROR_NET_INTERRUPT TRR_NET_INADEQ_SEQURITY = 23, // NS_ERROR_NET_INADEQUATE_SECURITY TRR_NO_ANSWERS = 24, // TRR returned no answers TRR_DECODE_FAILED = 25, // DohDecode failed TRR_EXCLUDED = 26, // ExcludedFromTRR TRR_SERVER_RESPONSE_ERR = 27, // Server responded with non-200 code TRR_RCODE_FAIL = 28, // DNS response contains a non-NOERROR rcode TRR_NO_CONNECTIVITY = 29, // Not confirmed because of no connectivity TRR_NXDOMAIN = 30, // DNS response contains NXDOMAIN rcode (0x03) TRR_REQ_CANCELLED = 31, // The request has been cancelled ODOH_KEY_NOT_USABLE = 32, // We don't have a valid ODoHConfig to use. ODOH_UPDATE_KEY_FAILED = 33, // Failed to update the ODoHConfigs. ODOH_KEY_NOT_AVAILABLE = 34, // ODoH requests timeout because of no key. ODOH_ENCRYPTION_FAILED = 35, // Failed to encrypt DNS packets. ODOH_DECRYPTION_FAILED = 36, // Failed to decrypt DNS packets. TRR_HEURISTIC_TRIPPED_GOOGLE_SAFESEARCH = 37, // The google safesearch heuristic was tripped TRR_HEURISTIC_TRIPPED_YOUTUBE_SAFESEARCH = 38, // The youtube safesearch heuristic was tripped TRR_HEURISTIC_TRIPPED_ZSCALER_CANARY = 39, // The zscaler canary heuristic was tripped TRR_HEURISTIC_TRIPPED_CANARY = 40, // The global canary heuristic was tripped TRR_HEURISTIC_TRIPPED_MODIFIED_ROOTS = 41, // The modified roots (enterprise_roots cert pref) heuristic was tripped TRR_HEURISTIC_TRIPPED_PARENTAL_CONTROLS = 42, // The parental controls heuristic was tripped TRR_HEURISTIC_TRIPPED_THIRD_PARTY_ROOTS = 43, // The third party roots heuristic was tripped TRR_HEURISTIC_TRIPPED_ENTERPRISE_POLICY = 44, // The enterprise policy heuristic was tripped TRR_HEURISTIC_TRIPPED_VPN = 45, // The heuristic was tripped due to a vpn being detected TRR_HEURISTIC_TRIPPED_PROXY = 46, // The heuristic was tripped due to a proxy being detected TRR_HEURISTIC_TRIPPED_NRPT = 47, // The heuristic was tripped due to a NRPT being detected TRR_BAD_URL = 48, // We attempted to use a bad URL (doesn't parse or is not https). }; }; %{ C++ namespace mozilla { namespace net { using TRRSkippedReason = nsITRRSkipReason::value; inline bool IsRelevantTRRSkipReason(TRRSkippedReason aReason) { // - TRR_REQ_MODE_DISABLED - these requests are intentionally skipping TRR. // These include DNS queries used to bootstrap the TRR connection, // captive portal checks, connectivity checks, etc. // Since we don't want to use TRR for these connections, we don't need // to include them with other relevant skip reasons. // - TRR_DISABLED_FLAG - This reason is used when retrying failed connections, // sync DNS resolves on the main thread, or requests coming from // webextensions that choose to skip TRR // - TRR_EXCLUDED - This reason is used when a certain domain is excluded // from TRR because it is explicitly set by the user, or because it // is part of the user's DNS suffix list, indicating a host that is likely // to be on the local network. if (aReason == TRRSkippedReason::TRR_REQ_MODE_DISABLED || aReason == TRRSkippedReason::TRR_DISABLED_FLAG || aReason == TRRSkippedReason::TRR_EXCLUDED) { return false; } return true; } inline bool IsBlockedTRRRequest(TRRSkippedReason aReason) { // See TRR::MaybeBlockRequest. These are the reasons that could block sending // TRR requests. return (aReason == TRRSkippedReason::TRR_EXCLUDED || aReason == TRRSkippedReason::TRR_MODE_NOT_ENABLED || aReason == TRRSkippedReason::TRR_HOST_BLOCKED_TEMPORARY); } inline bool IsNonRecoverableTRRSkipReason(TRRSkippedReason aReason) { // These are non-recoverable reasons and we'll fallback to native without // retrying. return (aReason == TRRSkippedReason::TRR_NXDOMAIN || aReason == TRRSkippedReason::TRR_NO_ANSWERS || aReason == TRRSkippedReason::TRR_DISABLED_FLAG || aReason == TRRSkippedReason::TRR_RCODE_FAIL); } inline bool IsFailedConfirmationOrNoConnectivity(TRRSkippedReason aReason) { // TRR is in non-confirmed state now, so we don't try to use TRR at all. return (aReason == TRRSkippedReason::TRR_NOT_CONFIRMED || aReason == TRRSkippedReason::TRR_NO_CONNECTIVITY); } extern nsresult GetTRRSkipReasonName(TRRSkippedReason aReason, nsACString& aName); } // net } // mozilla %}