| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| syntax = "proto2"; |
| option optimize_for = LITE_RUNTIME; |
| package android.net; |
| |
| enum EventType { |
| EVENT_UNKNOWN = 0; |
| EVENT_GETADDRINFO = 1; |
| EVENT_GETHOSTBYNAME = 2; |
| EVENT_GETHOSTBYADDR = 3; |
| EVENT_RES_NSEND = 4; |
| } |
| |
| // The return value of the DNS resolver for each DNS lookups. |
| // bionic/libc/include/netdb.h |
| // system/netd/resolv/include/netd_resolv/resolv.h |
| enum ReturnCode { |
| RC_EAI_NO_ERROR = 0; |
| RC_EAI_ADDRFAMILY = 1; |
| RC_EAI_AGAIN = 2; |
| RC_EAI_BADFLAGS = 3; |
| RC_EAI_FAIL = 4; |
| RC_EAI_FAMILY = 5; |
| RC_EAI_MEMORY = 6; |
| RC_EAI_NODATA = 7; |
| RC_EAI_NONAME = 8; |
| RC_EAI_SERVICE = 9; |
| RC_EAI_SOCKTYPE = 10; |
| RC_EAI_SYSTEM = 11; |
| RC_EAI_BADHINTS = 12; |
| RC_EAI_PROTOCOL = 13; |
| RC_EAI_OVERFLOW = 14; |
| RC_RESOLV_TIMEOUT = 255; |
| RC_EAI_MAX = 256; |
| } |
| |
| enum NsRcode { |
| NS_R_NO_ERROR = 0; // No error occurred. |
| NS_R_FORMERR = 1; // Format error. |
| NS_R_SERVFAIL = 2; // Server failure. |
| NS_R_NXDOMAIN = 3; // Name error. |
| NS_R_NOTIMPL = 4; // Unimplemented. |
| NS_R_REFUSED = 5; // Operation refused. |
| // these are for BIND_UPDATE |
| NS_R_YXDOMAIN = 6; // Name exists |
| NS_R_YXRRSET = 7; // RRset exists |
| NS_R_NXRRSET = 8; // RRset does not exist |
| NS_R_NOTAUTH = 9; // Not authoritative for zone |
| NS_R_NOTZONE = 10; // Zone of record different from zone section |
| NS_R_MAX = 11; |
| // The following are EDNS extended rcodes |
| NS_R_BADVERS = 16; |
| // The following are TSIG errors |
| // NS_R_BADSIG = 16, |
| NS_R_BADKEY = 17; |
| NS_R_BADTIME = 18; |
| NS_R_INTERNAL_ERROR = 254; |
| NS_R_TIMEOUT = 255; |
| } |
| |
| // Currently defined type values for resources and queries. |
| enum NsType { |
| NS_T_INVALID = 0; // Cookie. |
| NS_T_A = 1; // Host address. |
| NS_T_NS = 2; // Authoritative server. |
| NS_T_MD = 3; // Mail destination. |
| NS_T_MF = 4; // Mail forwarder. |
| NS_T_CNAME = 5; // Canonical name. |
| NS_T_SOA = 6; // Start of authority zone. |
| NS_T_MB = 7; // Mailbox domain name. |
| NS_T_MG = 8; // Mail group member. |
| NS_T_MR = 9; // Mail rename name. |
| NS_T_NULL = 10; // Null resource record. |
| NS_T_WKS = 11; // Well known service. |
| NS_T_PTR = 12; // Domain name pointer. |
| NS_T_HINFO = 13; // Host information. |
| NS_T_MINFO = 14; // Mailbox information. |
| NS_T_MX = 15; // Mail routing information. |
| NS_T_TXT = 16; // Text strings. |
| NS_T_RP = 17; // Responsible person. |
| NS_T_AFSDB = 18; // AFS cell database. |
| NS_T_X25 = 19; // X_25 calling address. |
| NS_T_ISDN = 20; // ISDN calling address. |
| NS_T_RT = 21; // Router. |
| NS_T_NSAP = 22; // NSAP address. |
| NS_T_NSAP_PTR = 23; // Reverse NSAP lookup (deprecated). |
| NS_T_SIG = 24; // Security signature. |
| NS_T_KEY = 25; // Security key. |
| NS_T_PX = 26; // X.400 mail mapping. |
| NS_T_GPOS = 27; // Geographical position (withdrawn). |
| NS_T_AAAA = 28; // IPv6 Address. |
| NS_T_LOC = 29; // Location Information. |
| NS_T_NXT = 30; // Next domain (security). |
| NS_T_EID = 31; // Endpoint identifier. |
| NS_T_NIMLOC = 32; // Nimrod Locator. |
| NS_T_SRV = 33; // Server Selection. |
| NS_T_ATMA = 34; // ATM Address |
| NS_T_NAPTR = 35; // Naming Authority PoinTeR |
| NS_T_KX = 36; // Key Exchange |
| NS_T_CERT = 37; // Certification record |
| NS_T_A6 = 38; // IPv6 address (experimental) |
| NS_T_DNAME = 39; // Non-terminal DNAME |
| NS_T_SINK = 40; // Kitchen sink (experimentatl) |
| NS_T_OPT = 41; // EDNS0 option (meta-RR) |
| NS_T_APL = 42; // Address prefix list (RFC 3123) |
| NS_T_DS = 43; // Delegation Signer |
| NS_T_SSHFP = 44; // SSH Fingerprint |
| NS_T_IPSECKEY = 45; // IPSEC Key |
| NS_T_RRSIG = 46; // RRset Signature |
| NS_T_NSEC = 47; // Negative security |
| NS_T_DNSKEY = 48; // DNS Key |
| NS_T_DHCID = 49; // Dynamic host configuratin identifier |
| NS_T_NSEC3 = 50; // Negative security type 3 |
| NS_T_NSEC3PARAM = 51; // Negative security type 3 parameters |
| NS_T_HIP = 55; // Host Identity Protocol |
| NS_T_SPF = 99; // Sender Policy Framework |
| NS_T_TKEY = 249; // Transaction key |
| NS_T_TSIG = 250; // Transaction signature. |
| NS_T_IXFR = 251; // Incremental zone transfer. |
| NS_T_AXFR = 252; // Transfer zone of authority. |
| NS_T_MAILB = 253; // Transfer mailbox records. |
| NS_T_MAILA = 254; // Transfer mail agent records. |
| NS_T_ANY = 255; // Wildcard match. |
| NS_T_ZXFR = 256; // BIND-specific, nonstandard. |
| NS_T_DLV = 32769; // DNSSEC look-aside validatation. |
| NS_T_MAX = 65536; |
| } |
| |
| enum IpVersion { |
| IV_UNKNOWN = 0; |
| IV_IPV4 = 1; |
| IV_IPV6 = 2; |
| } |
| |
| enum Protocol { |
| PROTO_UNKNOWN = 0; |
| PROTO_UDP = 1; |
| PROTO_TCP = 2; |
| PROTO_DOT = 3; |
| } |
| |
| enum PrivateDnsModes { |
| PDM_UNKNOWN = 0; |
| PDM_OFF = 1; |
| PDM_OPPORTUNISTIC = 2; |
| PDM_STRICT = 3; |
| } |
| |
| enum NetworkType { |
| NT_UNKNOWN = 0; |
| // Indicates this network uses a Cellular transport. |
| NT_CELLULAR = 1; |
| // Indicates this network uses a Wi-Fi transport. |
| NT_WIFI = 2; |
| // Indicates this network uses a Bluetooth transport. |
| NT_BLUETOOTH = 3; |
| // Indicates this network uses an Ethernet transport. |
| NT_ETHERNET = 4; |
| // Indicates this network uses a VPN transport. |
| NT_VPN = 5; |
| // Indicates this network uses a Wi-Fi Aware transport. |
| NT_WIFI_AWARE = 6; |
| // Indicates this network uses a LoWPAN transport. |
| NT_LOWPAN = 7; |
| } |
| |
| enum CacheStatus{ |
| // the cache can't handle that kind of queries. |
| // or the answer buffer is too small. |
| CS_UNSUPPORTED = 0; |
| // the cache doesn't know about this query. |
| CS_NOTFOUND = 1; |
| // the cache found the answer. |
| CS_FOUND = 2; |
| // Don't do anything on cache. |
| CS_SKIP = 3; |
| } |
| |
| message DnsQueryEvent { |
| optional NsRcode rcode = 1; |
| |
| optional NsType type = 2; |
| |
| optional CacheStatus cache_hit = 3; |
| |
| optional IpVersion ip_version = 4; |
| |
| optional Protocol protocol = 5; |
| |
| // Number of DNS query retry times |
| optional int32 retry_times = 6; |
| |
| // Ordinal number of name server. |
| optional int32 dns_server_index = 7; |
| |
| // Used only by TCP and DOT. True for new connections. |
| optional bool connected = 8; |
| |
| optional int32 latency_micros = 9; |
| } |
| |
| message DnsQueryEvents { |
| repeated DnsQueryEvent dns_query_event = 1; |
| } |
| |
| /** |
| * Logs a DNS lookup operation initiated by the system resolver on behalf of an application |
| * invoking native APIs such as getaddrinfo() or Java APIs such as Network#getAllByName(). |
| * |
| * The NetworkDnsEventReported message represents the entire lookup operation, which may |
| * result one or more queries to the recursive DNS resolvers. Those are individually logged |
| * in DnsQueryEvents to enable computing error rates and network latency and timeouts |
| * broken up by query type, transport, network interface, etc. |
| */ |
| message NetworkDnsEventReported { |
| optional EventType event_type = 1; |
| |
| optional ReturnCode return_code = 2; |
| |
| // The latency in microseconds of the entire DNS lookup operation. |
| optional int32 latency_micros = 3; |
| |
| // Only valid for event_type = EVENT_GETADDRINFO. |
| optional int32 hints_ai_flags = 4; |
| |
| // Flags passed to android_res_nsend() defined in multinetwork.h |
| // Only valid for event_type = EVENT_RESNSEND. |
| optional int32 res_nsend_flags = 5; |
| |
| optional NetworkType network_type = 6; |
| |
| // The DNS over TLS mode on a specific netId. |
| optional PrivateDnsModes private_dns_modes = 7; |
| |
| // Additional pass-through fields opaque to statsd. |
| // The DNS resolver Mainline module can add new fields here without requiring an OS update. |
| optional DnsQueryEvents dns_query_events = 8; |
| |
| // The sample rate of DNS stats (to statsd) is 1/sampling_rate_denom. |
| optional int32 sampling_rate_denom = 9; |
| } |
