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/* $OpenBSD: ssherr.c,v 1.8 2018/07/03 11:39:54 djm Exp $ */
/*
* Copyright (c) 2011 Damien Miller
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <errno.h>
#include <string.h>
#include "ssherr.h"
const char *
ssh_err(int n)
{
switch (n) {
case SSH_ERR_SUCCESS:
return "success";
case SSH_ERR_INTERNAL_ERROR:
return "unexpected internal error";
case SSH_ERR_ALLOC_FAIL:
return "memory allocation failed";
case SSH_ERR_MESSAGE_INCOMPLETE:
return "incomplete message";
case SSH_ERR_INVALID_FORMAT:
return "invalid format";
case SSH_ERR_BIGNUM_IS_NEGATIVE:
return "bignum is negative";
case SSH_ERR_STRING_TOO_LARGE:
return "string is too large";
case SSH_ERR_BIGNUM_TOO_LARGE:
return "bignum is too large";
case SSH_ERR_ECPOINT_TOO_LARGE:
return "elliptic curve point is too large";
case SSH_ERR_NO_BUFFER_SPACE:
return "insufficient buffer space";
case SSH_ERR_INVALID_ARGUMENT:
return "invalid argument";
case SSH_ERR_KEY_BITS_MISMATCH:
return "key bits do not match";
case SSH_ERR_EC_CURVE_INVALID:
return "invalid elliptic curve";
case SSH_ERR_KEY_TYPE_MISMATCH:
return "key type does not match";
case SSH_ERR_KEY_TYPE_UNKNOWN:
return "unknown or unsupported key type";
case SSH_ERR_EC_CURVE_MISMATCH:
return "elliptic curve does not match";
case SSH_ERR_EXPECTED_CERT:
return "plain key provided where certificate required";
case SSH_ERR_KEY_LACKS_CERTBLOB:
return "key lacks certificate data";
case SSH_ERR_KEY_CERT_UNKNOWN_TYPE:
return "unknown/unsupported certificate type";
case SSH_ERR_KEY_CERT_INVALID_SIGN_KEY:
return "invalid certificate signing key";
case SSH_ERR_KEY_INVALID_EC_VALUE:
return "invalid elliptic curve value";
case SSH_ERR_SIGNATURE_INVALID:
return "incorrect signature";
case SSH_ERR_LIBCRYPTO_ERROR:
return "error in libcrypto"; /* XXX fetch and return */
case SSH_ERR_UNEXPECTED_TRAILING_DATA:
return "unexpected bytes remain after decoding";
case SSH_ERR_SYSTEM_ERROR:
return strerror(errno);
case SSH_ERR_KEY_CERT_INVALID:
return "invalid certificate";
case SSH_ERR_AGENT_COMMUNICATION:
return "communication with agent failed";
case SSH_ERR_AGENT_FAILURE:
return "agent refused operation";
case SSH_ERR_DH_GEX_OUT_OF_RANGE:
return "DH GEX group out of range";
case SSH_ERR_DISCONNECTED:
return "disconnected";
case SSH_ERR_MAC_INVALID:
return "message authentication code incorrect";
case SSH_ERR_NO_CIPHER_ALG_MATCH:
return "no matching cipher found";
case SSH_ERR_NO_MAC_ALG_MATCH:
return "no matching MAC found";
case SSH_ERR_NO_COMPRESS_ALG_MATCH:
return "no matching compression method found";
case SSH_ERR_NO_KEX_ALG_MATCH:
return "no matching key exchange method found";
case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
return "no matching host key type found";
case SSH_ERR_PROTOCOL_MISMATCH:
return "protocol version mismatch";
case SSH_ERR_NO_PROTOCOL_VERSION:
return "could not read protocol version";
case SSH_ERR_NO_HOSTKEY_LOADED:
return "could not load host key";
case SSH_ERR_NEED_REKEY:
return "rekeying not supported by peer";
case SSH_ERR_PASSPHRASE_TOO_SHORT:
return "passphrase is too short (minimum five characters)";
case SSH_ERR_FILE_CHANGED:
return "file changed while reading";
case SSH_ERR_KEY_UNKNOWN_CIPHER:
return "key encrypted using unsupported cipher";
case SSH_ERR_KEY_WRONG_PASSPHRASE:
return "incorrect passphrase supplied to decrypt private key";
case SSH_ERR_KEY_BAD_PERMISSIONS:
return "bad permissions";
case SSH_ERR_KEY_CERT_MISMATCH:
return "certificate does not match key";
case SSH_ERR_KEY_NOT_FOUND:
return "key not found";
case SSH_ERR_AGENT_NOT_PRESENT:
return "agent not present";
case SSH_ERR_AGENT_NO_IDENTITIES:
return "agent contains no identities";
case SSH_ERR_BUFFER_READ_ONLY:
return "internal error: buffer is read-only";
case SSH_ERR_KRL_BAD_MAGIC:
return "KRL file has invalid magic number";
case SSH_ERR_KEY_REVOKED:
return "Key is revoked";
case SSH_ERR_CONN_CLOSED:
return "Connection closed";
case SSH_ERR_CONN_TIMEOUT:
return "Connection timed out";
case SSH_ERR_CONN_CORRUPT:
return "Connection corrupted";
case SSH_ERR_PROTOCOL_ERROR:
return "Protocol error";
case SSH_ERR_KEY_LENGTH:
return "Invalid key length";
case SSH_ERR_NUMBER_TOO_LARGE:
return "number is too large";
case SSH_ERR_SIGN_ALG_UNSUPPORTED:
return "signature algorithm not supported";
default:
return "unknown error";
}
}
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