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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // This file intentionally does not have header guards, it's included
      6 // inside a macro to generate enum values.
      7 
      8 // This file contains the list of network errors.
      9 
     10 //
     11 // Ranges:
     12 //     0- 99 System related errors
     13 //   100-199 Connection related errors
     14 //   200-299 Certificate errors
     15 //   300-399 HTTP errors
     16 //   400-499 Cache errors
     17 //   500-599 ?
     18 //   600-699 FTP errors
     19 //   700-799 Certificate manager errors
     20 //   800-899 DNS resolver errors
     21 
     22 // An asynchronous IO operation is not yet complete.  This usually does not
     23 // indicate a fatal error.  Typically this error will be generated as a
     24 // notification to wait for some external notification that the IO operation
     25 // finally completed.
     26 NET_ERROR(IO_PENDING, -1)
     27 
     28 // A generic failure occurred.
     29 NET_ERROR(FAILED, -2)
     30 
     31 // An operation was aborted (due to user action).
     32 NET_ERROR(ABORTED, -3)
     33 
     34 // An argument to the function is incorrect.
     35 NET_ERROR(INVALID_ARGUMENT, -4)
     36 
     37 // The handle or file descriptor is invalid.
     38 NET_ERROR(INVALID_HANDLE, -5)
     39 
     40 // The file or directory cannot be found.
     41 NET_ERROR(FILE_NOT_FOUND, -6)
     42 
     43 // An operation timed out.
     44 NET_ERROR(TIMED_OUT, -7)
     45 
     46 // The file is too large.
     47 NET_ERROR(FILE_TOO_BIG, -8)
     48 
     49 // An unexpected error.  This may be caused by a programming mistake or an
     50 // invalid assumption.
     51 NET_ERROR(UNEXPECTED, -9)
     52 
     53 // Permission to access a resource, other than the network, was denied.
     54 NET_ERROR(ACCESS_DENIED, -10)
     55 
     56 // The operation failed because of unimplemented functionality.
     57 NET_ERROR(NOT_IMPLEMENTED, -11)
     58 
     59 // There were not enough resources to complete the operation.
     60 NET_ERROR(INSUFFICIENT_RESOURCES, -12)
     61 
     62 // Memory allocation failed.
     63 NET_ERROR(OUT_OF_MEMORY, -13)
     64 
     65 // The file upload failed because the file's modification time was different
     66 // from the expectation.
     67 NET_ERROR(UPLOAD_FILE_CHANGED, -14)
     68 
     69 // The socket is not connected.
     70 NET_ERROR(SOCKET_NOT_CONNECTED, -15)
     71 
     72 // The file already exists.
     73 NET_ERROR(FILE_EXISTS, -16)
     74 
     75 // The path or file name is too long.
     76 NET_ERROR(FILE_PATH_TOO_LONG, -17)
     77 
     78 // Not enough room left on the disk.
     79 NET_ERROR(FILE_NO_SPACE, -18)
     80 
     81 // The file has a virus.
     82 NET_ERROR(FILE_VIRUS_INFECTED, -19)
     83 
     84 // The client chose to block the request.
     85 NET_ERROR(BLOCKED_BY_CLIENT, -20)
     86 
     87 // The network changed.
     88 NET_ERROR(NETWORK_CHANGED, -21)
     89 
     90 // The request was blocked by the URL blacklist configured by the domain
     91 // administrator.
     92 NET_ERROR(BLOCKED_BY_ADMINISTRATOR, -22)
     93 
     94 // The socket is already connected.
     95 NET_ERROR(SOCKET_IS_CONNECTED, -23)
     96 
     97 // A connection was closed (corresponding to a TCP FIN).
     98 NET_ERROR(CONNECTION_CLOSED, -100)
     99 
    100 // A connection was reset (corresponding to a TCP RST).
    101 NET_ERROR(CONNECTION_RESET, -101)
    102 
    103 // A connection attempt was refused.
    104 NET_ERROR(CONNECTION_REFUSED, -102)
    105 
    106 // A connection timed out as a result of not receiving an ACK for data sent.
    107 // This can include a FIN packet that did not get ACK'd.
    108 NET_ERROR(CONNECTION_ABORTED, -103)
    109 
    110 // A connection attempt failed.
    111 NET_ERROR(CONNECTION_FAILED, -104)
    112 
    113 // The host name could not be resolved.
    114 NET_ERROR(NAME_NOT_RESOLVED, -105)
    115 
    116 // The Internet connection has been lost.
    117 NET_ERROR(INTERNET_DISCONNECTED, -106)
    118 
    119 // An SSL protocol error occurred.
    120 NET_ERROR(SSL_PROTOCOL_ERROR, -107)
    121 
    122 // The IP address or port number is invalid (e.g., cannot connect to the IP
    123 // address 0 or the port 0).
    124 NET_ERROR(ADDRESS_INVALID, -108)
    125 
    126 // The IP address is unreachable.  This usually means that there is no route to
    127 // the specified host or network.
    128 NET_ERROR(ADDRESS_UNREACHABLE, -109)
    129 
    130 // The server requested a client certificate for SSL client authentication.
    131 NET_ERROR(SSL_CLIENT_AUTH_CERT_NEEDED, -110)
    132 
    133 // A tunnel connection through the proxy could not be established.
    134 NET_ERROR(TUNNEL_CONNECTION_FAILED, -111)
    135 
    136 // No SSL protocol versions are enabled.
    137 NET_ERROR(NO_SSL_VERSIONS_ENABLED, -112)
    138 
    139 // The client and server don't support a common SSL protocol version or
    140 // cipher suite.
    141 NET_ERROR(SSL_VERSION_OR_CIPHER_MISMATCH, -113)
    142 
    143 // The server requested a renegotiation (rehandshake).
    144 NET_ERROR(SSL_RENEGOTIATION_REQUESTED, -114)
    145 
    146 // The proxy requested authentication (for tunnel establishment) with an
    147 // unsupported method.
    148 NET_ERROR(PROXY_AUTH_UNSUPPORTED, -115)
    149 
    150 // During SSL renegotiation (rehandshake), the server sent a certificate with
    151 // an error.
    152 //
    153 // Note: this error is not in the -2xx range so that it won't be handled as a
    154 // certificate error.
    155 NET_ERROR(CERT_ERROR_IN_SSL_RENEGOTIATION, -116)
    156 
    157 // The SSL handshake failed because of a bad or missing client certificate.
    158 NET_ERROR(BAD_SSL_CLIENT_AUTH_CERT, -117)
    159 
    160 // A connection attempt timed out.
    161 NET_ERROR(CONNECTION_TIMED_OUT, -118)
    162 
    163 // There are too many pending DNS resolves, so a request in the queue was
    164 // aborted.
    165 NET_ERROR(HOST_RESOLVER_QUEUE_TOO_LARGE, -119)
    166 
    167 // Failed establishing a connection to the SOCKS proxy server for a target host.
    168 NET_ERROR(SOCKS_CONNECTION_FAILED, -120)
    169 
    170 // The SOCKS proxy server failed establishing connection to the target host
    171 // because that host is unreachable.
    172 NET_ERROR(SOCKS_CONNECTION_HOST_UNREACHABLE, -121)
    173 
    174 // The request to negotiate an alternate protocol failed.
    175 NET_ERROR(NPN_NEGOTIATION_FAILED, -122)
    176 
    177 // The peer sent an SSL no_renegotiation alert message.
    178 NET_ERROR(SSL_NO_RENEGOTIATION, -123)
    179 
    180 // Winsock sometimes reports more data written than passed.  This is probably
    181 // due to a broken LSP.
    182 NET_ERROR(WINSOCK_UNEXPECTED_WRITTEN_BYTES, -124)
    183 
    184 // An SSL peer sent us a fatal decompression_failure alert. This typically
    185 // occurs when a peer selects DEFLATE compression in the mistaken belief that
    186 // it supports it.
    187 NET_ERROR(SSL_DECOMPRESSION_FAILURE_ALERT, -125)
    188 
    189 // An SSL peer sent us a fatal bad_record_mac alert. This has been observed
    190 // from servers with buggy DEFLATE support.
    191 NET_ERROR(SSL_BAD_RECORD_MAC_ALERT, -126)
    192 
    193 // The proxy requested authentication (for tunnel establishment).
    194 NET_ERROR(PROXY_AUTH_REQUESTED, -127)
    195 
    196 // A known TLS strict server didn't offer the renegotiation extension.
    197 NET_ERROR(SSL_UNSAFE_NEGOTIATION, -128)
    198 
    199 // The SSL server attempted to use a weak ephemeral Diffie-Hellman key.
    200 NET_ERROR(SSL_WEAK_SERVER_EPHEMERAL_DH_KEY, -129)
    201 
    202 // Could not create a connection to the proxy server. An error occurred
    203 // either in resolving its name, or in connecting a socket to it.
    204 // Note that this does NOT include failures during the actual "CONNECT" method
    205 // of an HTTP proxy.
    206 NET_ERROR(PROXY_CONNECTION_FAILED, -130)
    207 
    208 // A mandatory proxy configuration could not be used. Currently this means
    209 // that a mandatory PAC script could not be fetched, parsed or executed.
    210 NET_ERROR(MANDATORY_PROXY_CONFIGURATION_FAILED, -131)
    211 
    212 // -132 was formerly ERR_ESET_ANTI_VIRUS_SSL_INTERCEPTION
    213 
    214 // We've hit the max socket limit for the socket pool while preconnecting.  We
    215 // don't bother trying to preconnect more sockets.
    216 NET_ERROR(PRECONNECT_MAX_SOCKET_LIMIT, -133)
    217 
    218 // The permission to use the SSL client certificate's private key was denied.
    219 NET_ERROR(SSL_CLIENT_AUTH_PRIVATE_KEY_ACCESS_DENIED, -134)
    220 
    221 // The SSL client certificate has no private key.
    222 NET_ERROR(SSL_CLIENT_AUTH_CERT_NO_PRIVATE_KEY, -135)
    223 
    224 // The certificate presented by the HTTPS Proxy was invalid.
    225 NET_ERROR(PROXY_CERTIFICATE_INVALID, -136)
    226 
    227 // An error occurred when trying to do a name resolution (DNS).
    228 NET_ERROR(NAME_RESOLUTION_FAILED, -137)
    229 
    230 // Permission to access the network was denied. This is used to distinguish
    231 // errors that were most likely caused by a firewall from other access denied
    232 // errors. See also ERR_ACCESS_DENIED.
    233 NET_ERROR(NETWORK_ACCESS_DENIED, -138)
    234 
    235 // The request throttler module cancelled this request to avoid DDOS.
    236 NET_ERROR(TEMPORARILY_THROTTLED, -139)
    237 
    238 // A request to create an SSL tunnel connection through the HTTPS proxy
    239 // received a non-200 (OK) and non-407 (Proxy Auth) response.  The response
    240 // body might include a description of why the request failed.
    241 NET_ERROR(HTTPS_PROXY_TUNNEL_RESPONSE, -140)
    242 
    243 // We were unable to sign the CertificateVerify data of an SSL client auth
    244 // handshake with the client certificate's private key.
    245 //
    246 // Possible causes for this include the user implicitly or explicitly
    247 // denying access to the private key, the private key may not be valid for
    248 // signing, the key may be relying on a cached handle which is no longer
    249 // valid, or the CSP won't allow arbitrary data to be signed.
    250 NET_ERROR(SSL_CLIENT_AUTH_SIGNATURE_FAILED, -141)
    251 
    252 // The message was too large for the transport.  (for example a UDP message
    253 // which exceeds size threshold).
    254 NET_ERROR(MSG_TOO_BIG, -142)
    255 
    256 // A SPDY session already exists, and should be used instead of this connection.
    257 NET_ERROR(SPDY_SESSION_ALREADY_EXISTS, -143)
    258 
    259 // Error -144 was removed (LIMIT_VIOLATION).
    260 
    261 // Websocket protocol error. Indicates that we are terminating the connection
    262 // due to a malformed frame or other protocol violation.
    263 NET_ERROR(WS_PROTOCOL_ERROR, -145)
    264 
    265 // Connection was aborted for switching to another ptotocol.
    266 // WebSocket abort SocketStream connection when alternate protocol is found.
    267 NET_ERROR(PROTOCOL_SWITCHED, -146)
    268 
    269 // Returned when attempting to bind an address that is already in use.
    270 NET_ERROR(ADDRESS_IN_USE, -147)
    271 
    272 // An operation failed because the SSL handshake has not completed.
    273 NET_ERROR(SSL_HANDSHAKE_NOT_COMPLETED, -148)
    274 
    275 // SSL peer's public key is invalid.
    276 NET_ERROR(SSL_BAD_PEER_PUBLIC_KEY, -149)
    277 
    278 // The certificate didn't match the built-in public key pins for the host name.
    279 // The pins are set in net/http/transport_security_state.cc and require that
    280 // one of a set of public keys exist on the path from the leaf to the root.
    281 NET_ERROR(SSL_PINNED_KEY_NOT_IN_CERT_CHAIN, -150)
    282 
    283 // Server request for client certificate did not contain any types we support.
    284 NET_ERROR(CLIENT_AUTH_CERT_TYPE_UNSUPPORTED, -151)
    285 
    286 // Server requested one type of cert, then requested a different type while the
    287 // first was still being generated.
    288 NET_ERROR(ORIGIN_BOUND_CERT_GENERATION_TYPE_MISMATCH, -152)
    289 
    290 // An SSL peer sent us a fatal decrypt_error alert. This typically occurs when
    291 // a peer could not correctly verify a signature (in CertificateVerify or
    292 // ServerKeyExchange) or validate a Finished message.
    293 NET_ERROR(SSL_DECRYPT_ERROR_ALERT, -153)
    294 
    295 // There are too many pending WebSocketJob instances, so the new job was not
    296 // pushed to the queue.
    297 NET_ERROR(WS_THROTTLE_QUEUE_TOO_LARGE, -154)
    298 
    299 // There are too many active SocketStream instances, so the new connect request
    300 // was rejected.
    301 NET_ERROR(TOO_MANY_SOCKET_STREAMS, -155)
    302 
    303 // Certificate error codes
    304 //
    305 // The values of certificate error codes must be consecutive.
    306 
    307 // The server responded with a certificate whose common name did not match
    308 // the host name.  This could mean:
    309 //
    310 // 1. An attacker has redirected our traffic to his server and is
    311 //    presenting a certificate for which he knows the private key.
    312 //
    313 // 2. The server is misconfigured and responding with the wrong cert.
    314 //
    315 // 3. The user is on a wireless network and is being redirected to the
    316 //    network's login page.
    317 //
    318 // 4. The OS has used a DNS search suffix and the server doesn't have
    319 //    a certificate for the abbreviated name in the address bar.
    320 //
    321 NET_ERROR(CERT_COMMON_NAME_INVALID, -200)
    322 
    323 // The server responded with a certificate that, by our clock, appears to
    324 // either not yet be valid or to have expired.  This could mean:
    325 //
    326 // 1. An attacker is presenting an old certificate for which he has
    327 //    managed to obtain the private key.
    328 //
    329 // 2. The server is misconfigured and is not presenting a valid cert.
    330 //
    331 // 3. Our clock is wrong.
    332 //
    333 NET_ERROR(CERT_DATE_INVALID, -201)
    334 
    335 // The server responded with a certificate that is signed by an authority
    336 // we don't trust.  The could mean:
    337 //
    338 // 1. An attacker has substituted the real certificate for a cert that
    339 //    contains his public key and is signed by his cousin.
    340 //
    341 // 2. The server operator has a legitimate certificate from a CA we don't
    342 //    know about, but should trust.
    343 //
    344 // 3. The server is presenting a self-signed certificate, providing no
    345 //    defense against active attackers (but foiling passive attackers).
    346 //
    347 NET_ERROR(CERT_AUTHORITY_INVALID, -202)
    348 
    349 // The server responded with a certificate that contains errors.
    350 // This error is not recoverable.
    351 //
    352 // MSDN describes this error as follows:
    353 //   "The SSL certificate contains errors."
    354 // NOTE: It's unclear how this differs from ERR_CERT_INVALID. For consistency,
    355 // use that code instead of this one from now on.
    356 //
    357 NET_ERROR(CERT_CONTAINS_ERRORS, -203)
    358 
    359 // The certificate has no mechanism for determining if it is revoked.  In
    360 // effect, this certificate cannot be revoked.
    361 NET_ERROR(CERT_NO_REVOCATION_MECHANISM, -204)
    362 
    363 // Revocation information for the security certificate for this site is not
    364 // available.  This could mean:
    365 //
    366 // 1. An attacker has compromised the private key in the certificate and is
    367 //    blocking our attempt to find out that the cert was revoked.
    368 //
    369 // 2. The certificate is unrevoked, but the revocation server is busy or
    370 //    unavailable.
    371 //
    372 NET_ERROR(CERT_UNABLE_TO_CHECK_REVOCATION, -205)
    373 
    374 // The server responded with a certificate has been revoked.
    375 // We have the capability to ignore this error, but it is probably not the
    376 // thing to do.
    377 NET_ERROR(CERT_REVOKED, -206)
    378 
    379 // The server responded with a certificate that is invalid.
    380 // This error is not recoverable.
    381 //
    382 // MSDN describes this error as follows:
    383 //   "The SSL certificate is invalid."
    384 //
    385 NET_ERROR(CERT_INVALID, -207)
    386 
    387 // The server responded with a certificate that is signed using a weak
    388 // signature algorithm.
    389 NET_ERROR(CERT_WEAK_SIGNATURE_ALGORITHM, -208)
    390 
    391 // -209 is availible: was CERT_NOT_IN_DNS.
    392 
    393 // The host name specified in the certificate is not unique.
    394 NET_ERROR(CERT_NON_UNIQUE_NAME, -210)
    395 
    396 // The server responded with a certificate that contains a weak key (e.g.
    397 // a too-small RSA key).
    398 NET_ERROR(CERT_WEAK_KEY, -211)
    399 
    400 // Add new certificate error codes here.
    401 //
    402 // Update the value of CERT_END whenever you add a new certificate error
    403 // code.
    404 
    405 // The value immediately past the last certificate error code.
    406 NET_ERROR(CERT_END, -212)
    407 
    408 // The URL is invalid.
    409 NET_ERROR(INVALID_URL, -300)
    410 
    411 // The scheme of the URL is disallowed.
    412 NET_ERROR(DISALLOWED_URL_SCHEME, -301)
    413 
    414 // The scheme of the URL is unknown.
    415 NET_ERROR(UNKNOWN_URL_SCHEME, -302)
    416 
    417 // Attempting to load an URL resulted in too many redirects.
    418 NET_ERROR(TOO_MANY_REDIRECTS, -310)
    419 
    420 // Attempting to load an URL resulted in an unsafe redirect (e.g., a redirect
    421 // to file:// is considered unsafe).
    422 NET_ERROR(UNSAFE_REDIRECT, -311)
    423 
    424 // Attempting to load an URL with an unsafe port number.  These are port
    425 // numbers that correspond to services, which are not robust to spurious input
    426 // that may be constructed as a result of an allowed web construct (e.g., HTTP
    427 // looks a lot like SMTP, so form submission to port 25 is denied).
    428 NET_ERROR(UNSAFE_PORT, -312)
    429 
    430 // The server's response was invalid.
    431 NET_ERROR(INVALID_RESPONSE, -320)
    432 
    433 // Error in chunked transfer encoding.
    434 NET_ERROR(INVALID_CHUNKED_ENCODING, -321)
    435 
    436 // The server did not support the request method.
    437 NET_ERROR(METHOD_NOT_SUPPORTED, -322)
    438 
    439 // The response was 407 (Proxy Authentication Required), yet we did not send
    440 // the request to a proxy.
    441 NET_ERROR(UNEXPECTED_PROXY_AUTH, -323)
    442 
    443 // The server closed the connection without sending any data.
    444 NET_ERROR(EMPTY_RESPONSE, -324)
    445 
    446 // The headers section of the response is too large.
    447 NET_ERROR(RESPONSE_HEADERS_TOO_BIG, -325)
    448 
    449 // The PAC requested by HTTP did not have a valid status code (non-200).
    450 NET_ERROR(PAC_STATUS_NOT_OK, -326)
    451 
    452 // The evaluation of the PAC script failed.
    453 NET_ERROR(PAC_SCRIPT_FAILED, -327)
    454 
    455 // The response was 416 (Requested range not satisfiable) and the server cannot
    456 // satisfy the range requested.
    457 NET_ERROR(REQUEST_RANGE_NOT_SATISFIABLE, -328)
    458 
    459 // The identity used for authentication is invalid.
    460 NET_ERROR(MALFORMED_IDENTITY, -329)
    461 
    462 // Content decoding of the response body failed.
    463 NET_ERROR(CONTENT_DECODING_FAILED, -330)
    464 
    465 // An operation could not be completed because all network IO
    466 // is suspended.
    467 NET_ERROR(NETWORK_IO_SUSPENDED, -331)
    468 
    469 // FLIP data received without receiving a SYN_REPLY on the stream.
    470 NET_ERROR(SYN_REPLY_NOT_RECEIVED, -332)
    471 
    472 // Converting the response to target encoding failed.
    473 NET_ERROR(ENCODING_CONVERSION_FAILED, -333)
    474 
    475 // The server sent an FTP directory listing in a format we do not understand.
    476 NET_ERROR(UNRECOGNIZED_FTP_DIRECTORY_LISTING_FORMAT, -334)
    477 
    478 // Attempted use of an unknown SPDY stream id.
    479 NET_ERROR(INVALID_SPDY_STREAM, -335)
    480 
    481 // There are no supported proxies in the provided list.
    482 NET_ERROR(NO_SUPPORTED_PROXIES, -336)
    483 
    484 // There is a SPDY protocol error.
    485 NET_ERROR(SPDY_PROTOCOL_ERROR, -337)
    486 
    487 // Credentials could not be established during HTTP Authentication.
    488 NET_ERROR(INVALID_AUTH_CREDENTIALS, -338)
    489 
    490 // An HTTP Authentication scheme was tried which is not supported on this
    491 // machine.
    492 NET_ERROR(UNSUPPORTED_AUTH_SCHEME, -339)
    493 
    494 // Detecting the encoding of the response failed.
    495 NET_ERROR(ENCODING_DETECTION_FAILED, -340)
    496 
    497 // (GSSAPI) No Kerberos credentials were available during HTTP Authentication.
    498 NET_ERROR(MISSING_AUTH_CREDENTIALS, -341)
    499 
    500 // An unexpected, but documented, SSPI or GSSAPI status code was returned.
    501 NET_ERROR(UNEXPECTED_SECURITY_LIBRARY_STATUS, -342)
    502 
    503 // The environment was not set up correctly for authentication (for
    504 // example, no KDC could be found or the principal is unknown.
    505 NET_ERROR(MISCONFIGURED_AUTH_ENVIRONMENT, -343)
    506 
    507 // An undocumented SSPI or GSSAPI status code was returned.
    508 NET_ERROR(UNDOCUMENTED_SECURITY_LIBRARY_STATUS, -344)
    509 
    510 // The HTTP response was too big to drain.
    511 NET_ERROR(RESPONSE_BODY_TOO_BIG_TO_DRAIN, -345)
    512 
    513 // The HTTP response contained multiple distinct Content-Length headers.
    514 NET_ERROR(RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH, -346)
    515 
    516 // SPDY Headers have been received, but not all of them - status or version
    517 // headers are missing, so we're expecting additional frames to complete them.
    518 NET_ERROR(INCOMPLETE_SPDY_HEADERS, -347)
    519 
    520 // No PAC URL configuration could be retrieved from DHCP. This can indicate
    521 // either a failure to retrieve the DHCP configuration, or that there was no
    522 // PAC URL configured in DHCP.
    523 NET_ERROR(PAC_NOT_IN_DHCP, -348)
    524 
    525 // The HTTP response contained multiple Content-Disposition headers.
    526 NET_ERROR(RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION, -349)
    527 
    528 // The HTTP response contained multiple Location headers.
    529 NET_ERROR(RESPONSE_HEADERS_MULTIPLE_LOCATION, -350)
    530 
    531 // SPDY server refused the stream. Client should retry. This should never be a
    532 // user-visible error.
    533 NET_ERROR(SPDY_SERVER_REFUSED_STREAM, -351)
    534 
    535 // SPDY server didn't respond to the PING message.
    536 NET_ERROR(SPDY_PING_FAILED, -352)
    537 
    538 // The request couldn't be completed on an HTTP pipeline. Client should retry.
    539 NET_ERROR(PIPELINE_EVICTION, -353)
    540 
    541 // The HTTP response body transferred fewer bytes than were advertised by the
    542 // Content-Length header when the connection is closed.
    543 NET_ERROR(CONTENT_LENGTH_MISMATCH, -354)
    544 
    545 // The HTTP response body is transferred with Chunked-Encoding, but the
    546 // terminating zero-length chunk was never sent when the connection is closed.
    547 NET_ERROR(INCOMPLETE_CHUNKED_ENCODING, -355)
    548 
    549 // There is a QUIC protocol error.
    550 NET_ERROR(QUIC_PROTOCOL_ERROR, -356)
    551 
    552 // The HTTP headers were truncated by an EOF.
    553 NET_ERROR(RESPONSE_HEADERS_TRUNCATED, -357)
    554 
    555 // The cache does not have the requested entry.
    556 NET_ERROR(CACHE_MISS, -400)
    557 
    558 // Unable to read from the disk cache.
    559 NET_ERROR(CACHE_READ_FAILURE, -401)
    560 
    561 // Unable to write to the disk cache.
    562 NET_ERROR(CACHE_WRITE_FAILURE, -402)
    563 
    564 // The operation is not supported for this entry.
    565 NET_ERROR(CACHE_OPERATION_NOT_SUPPORTED, -403)
    566 
    567 // The disk cache is unable to open this entry.
    568 NET_ERROR(CACHE_OPEN_FAILURE, -404)
    569 
    570 // The disk cache is unable to create this entry.
    571 NET_ERROR(CACHE_CREATE_FAILURE, -405)
    572 
    573 // Multiple transactions are racing to create disk cache entries. This is an
    574 // internal error returned from the HttpCache to the HttpCacheTransaction that
    575 // tells the transaction to restart the entry-creation logic because the state
    576 // of the cache has changed.
    577 NET_ERROR(CACHE_RACE, -406)
    578 
    579 // The cache was unable to read a checksum record on an entry. This can be
    580 // returned from attempts to read from the cache. It is an internal error,
    581 // returned by the SimpleCache backend, but not by any URLRequest methods
    582 // or members.
    583 NET_ERROR(CACHE_CHECKSUM_READ_FAILURE, -407)
    584 
    585 // The cache found an entry with an invalid checksum. This can be returned from
    586 // attempts to read from the cache. It is an internal error, returned by the
    587 // SimpleCache backend, but not by any URLRequest methods or members.
    588 NET_ERROR(CACHE_CHECKSUM_MISMATCH, -408)
    589 
    590 // The server's response was insecure (e.g. there was a cert error).
    591 NET_ERROR(INSECURE_RESPONSE, -501)
    592 
    593 // The server responded to a <keygen> with a generated client cert that we
    594 // don't have the matching private key for.
    595 NET_ERROR(NO_PRIVATE_KEY_FOR_CERT, -502)
    596 
    597 // An error adding to the OS certificate database (e.g. OS X Keychain).
    598 NET_ERROR(ADD_USER_CERT_FAILED, -503)
    599 
    600 // *** Code -600 is reserved (was FTP_PASV_COMMAND_FAILED). ***
    601 
    602 // A generic error for failed FTP control connection command.
    603 // If possible, please use or add a more specific error code.
    604 NET_ERROR(FTP_FAILED, -601)
    605 
    606 // The server cannot fulfill the request at this point. This is a temporary
    607 // error.
    608 // FTP response code 421.
    609 NET_ERROR(FTP_SERVICE_UNAVAILABLE, -602)
    610 
    611 // The server has aborted the transfer.
    612 // FTP response code 426.
    613 NET_ERROR(FTP_TRANSFER_ABORTED, -603)
    614 
    615 // The file is busy, or some other temporary error condition on opening
    616 // the file.
    617 // FTP response code 450.
    618 NET_ERROR(FTP_FILE_BUSY, -604)
    619 
    620 // Server rejected our command because of syntax errors.
    621 // FTP response codes 500, 501.
    622 NET_ERROR(FTP_SYNTAX_ERROR, -605)
    623 
    624 // Server does not support the command we issued.
    625 // FTP response codes 502, 504.
    626 NET_ERROR(FTP_COMMAND_NOT_SUPPORTED, -606)
    627 
    628 // Server rejected our command because we didn't issue the commands in right
    629 // order.
    630 // FTP response code 503.
    631 NET_ERROR(FTP_BAD_COMMAND_SEQUENCE, -607)
    632 
    633 // PKCS #12 import failed due to incorrect password.
    634 NET_ERROR(PKCS12_IMPORT_BAD_PASSWORD, -701)
    635 
    636 // PKCS #12 import failed due to other error.
    637 NET_ERROR(PKCS12_IMPORT_FAILED, -702)
    638 
    639 // CA import failed - not a CA cert.
    640 NET_ERROR(IMPORT_CA_CERT_NOT_CA, -703)
    641 
    642 // Import failed - certificate already exists in database.
    643 // Note it's a little weird this is an error but reimporting a PKCS12 is ok
    644 // (no-op).  That's how Mozilla does it, though.
    645 NET_ERROR(IMPORT_CERT_ALREADY_EXISTS, -704)
    646 
    647 // CA import failed due to some other error.
    648 NET_ERROR(IMPORT_CA_CERT_FAILED, -705)
    649 
    650 // Server certificate import failed due to some internal error.
    651 NET_ERROR(IMPORT_SERVER_CERT_FAILED, -706)
    652 
    653 // PKCS #12 import failed due to invalid MAC.
    654 NET_ERROR(PKCS12_IMPORT_INVALID_MAC, -707)
    655 
    656 // PKCS #12 import failed due to invalid/corrupt file.
    657 NET_ERROR(PKCS12_IMPORT_INVALID_FILE, -708)
    658 
    659 // PKCS #12 import failed due to unsupported features.
    660 NET_ERROR(PKCS12_IMPORT_UNSUPPORTED, -709)
    661 
    662 // Key generation failed.
    663 NET_ERROR(KEY_GENERATION_FAILED, -710)
    664 
    665 // Server-bound certificate generation failed.
    666 NET_ERROR(ORIGIN_BOUND_CERT_GENERATION_FAILED, -711)
    667 
    668 // Failure to export private key.
    669 NET_ERROR(PRIVATE_KEY_EXPORT_FAILED, -712)
    670 
    671 // Self-signed certificate generation failed.
    672 NET_ERROR(SELF_SIGNED_CERT_GENERATION_FAILED, -713)
    673 
    674 // DNS error codes.
    675 
    676 // DNS resolver received a malformed response.
    677 NET_ERROR(DNS_MALFORMED_RESPONSE, -800)
    678 
    679 // DNS server requires TCP
    680 NET_ERROR(DNS_SERVER_REQUIRES_TCP, -801)
    681 
    682 // DNS server failed.  This error is returned for all of the following
    683 // error conditions:
    684 // 1 - Format error - The name server was unable to interpret the query.
    685 // 2 - Server failure - The name server was unable to process this query
    686 //     due to a problem with the name server.
    687 // 4 - Not Implemented - The name server does not support the requested
    688 //     kind of query.
    689 // 5 - Refused - The name server refuses to perform the specified
    690 //     operation for policy reasons.
    691 NET_ERROR(DNS_SERVER_FAILED, -802)
    692 
    693 // DNS transaction timed out.
    694 NET_ERROR(DNS_TIMED_OUT, -803)
    695 
    696 // The entry was not found in cache, for cache-only lookups.
    697 NET_ERROR(DNS_CACHE_MISS, -804)
    698 
    699 // Suffix search list rules prevent resolution of the given host name.
    700 NET_ERROR(DNS_SEARCH_EMPTY, -805)
    701 
    702 // Failed to sort addresses according to RFC3484.
    703 NET_ERROR(DNS_SORT_ERROR, -806)
    704