GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/ssh/lib/../ssherr.c Lines: 3 61 4.9 %
Date: 2017-11-07 Branches: 1 59 1.7 %

Line Branch Exec Source
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/*	$OpenBSD: ssherr.c,v 1.7 2017/09/12 06:32:08 djm Exp $	*/
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/*
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 * Copyright (c) 2011 Damien Miller
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <errno.h>
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#include <string.h>
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#include "ssherr.h"
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const char *
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ssh_err(int n)
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{
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	switch (n) {
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	case SSH_ERR_SUCCESS:
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		return "success";
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	case SSH_ERR_INTERNAL_ERROR:
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		return "unexpected internal error";
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	case SSH_ERR_ALLOC_FAIL:
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		return "memory allocation failed";
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	case SSH_ERR_MESSAGE_INCOMPLETE:
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		return "incomplete message";
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	case SSH_ERR_INVALID_FORMAT:
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		return "invalid format";
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	case SSH_ERR_BIGNUM_IS_NEGATIVE:
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		return "bignum is negative";
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	case SSH_ERR_STRING_TOO_LARGE:
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		return "string is too large";
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	case SSH_ERR_BIGNUM_TOO_LARGE:
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		return "bignum is too large";
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	case SSH_ERR_ECPOINT_TOO_LARGE:
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		return "elliptic curve point is too large";
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	case SSH_ERR_NO_BUFFER_SPACE:
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		return "insufficient buffer space";
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	case SSH_ERR_INVALID_ARGUMENT:
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		return "invalid argument";
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	case SSH_ERR_KEY_BITS_MISMATCH:
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		return "key bits do not match";
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	case SSH_ERR_EC_CURVE_INVALID:
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		return "invalid elliptic curve";
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	case SSH_ERR_KEY_TYPE_MISMATCH:
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		return "key type does not match";
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	case SSH_ERR_KEY_TYPE_UNKNOWN:
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		return "unknown or unsupported key type";
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	case SSH_ERR_EC_CURVE_MISMATCH:
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		return "elliptic curve does not match";
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	case SSH_ERR_EXPECTED_CERT:
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		return "plain key provided where certificate required";
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	case SSH_ERR_KEY_LACKS_CERTBLOB:
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		return "key lacks certificate data";
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	case SSH_ERR_KEY_CERT_UNKNOWN_TYPE:
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		return "unknown/unsupported certificate type";
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	case SSH_ERR_KEY_CERT_INVALID_SIGN_KEY:
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		return "invalid certificate signing key";
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	case SSH_ERR_KEY_INVALID_EC_VALUE:
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		return "invalid elliptic curve value";
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	case SSH_ERR_SIGNATURE_INVALID:
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		return "incorrect signature";
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	case SSH_ERR_LIBCRYPTO_ERROR:
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		return "error in libcrypto";  /* XXX fetch and return */
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	case SSH_ERR_UNEXPECTED_TRAILING_DATA:
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		return "unexpected bytes remain after decoding";
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	case SSH_ERR_SYSTEM_ERROR:
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		return strerror(errno);
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	case SSH_ERR_KEY_CERT_INVALID:
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		return "invalid certificate";
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	case SSH_ERR_AGENT_COMMUNICATION:
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		return "communication with agent failed";
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	case SSH_ERR_AGENT_FAILURE:
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		return "agent refused operation";
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	case SSH_ERR_DH_GEX_OUT_OF_RANGE:
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		return "DH GEX group out of range";
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	case SSH_ERR_DISCONNECTED:
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		return "disconnected";
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	case SSH_ERR_MAC_INVALID:
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		return "message authentication code incorrect";
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	case SSH_ERR_NO_CIPHER_ALG_MATCH:
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		return "no matching cipher found";
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	case SSH_ERR_NO_MAC_ALG_MATCH:
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		return "no matching MAC found";
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	case SSH_ERR_NO_COMPRESS_ALG_MATCH:
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		return "no matching compression method found";
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	case SSH_ERR_NO_KEX_ALG_MATCH:
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		return "no matching key exchange method found";
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	case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
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		return "no matching host key type found";
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	case SSH_ERR_PROTOCOL_MISMATCH:
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		return "protocol version mismatch";
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	case SSH_ERR_NO_PROTOCOL_VERSION:
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		return "could not read protocol version";
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	case SSH_ERR_NO_HOSTKEY_LOADED:
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		return "could not load host key";
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	case SSH_ERR_NEED_REKEY:
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		return "rekeying not supported by peer";
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	case SSH_ERR_PASSPHRASE_TOO_SHORT:
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		return "passphrase is too short (minimum five characters)";
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	case SSH_ERR_FILE_CHANGED:
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		return "file changed while reading";
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	case SSH_ERR_KEY_UNKNOWN_CIPHER:
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		return "key encrypted using unsupported cipher";
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	case SSH_ERR_KEY_WRONG_PASSPHRASE:
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		return "incorrect passphrase supplied to decrypt private key";
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	case SSH_ERR_KEY_BAD_PERMISSIONS:
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		return "bad permissions";
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	case SSH_ERR_KEY_CERT_MISMATCH:
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		return "certificate does not match key";
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	case SSH_ERR_KEY_NOT_FOUND:
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		return "key not found";
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	case SSH_ERR_AGENT_NOT_PRESENT:
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		return "agent not present";
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	case SSH_ERR_AGENT_NO_IDENTITIES:
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		return "agent contains no identities";
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	case SSH_ERR_BUFFER_READ_ONLY:
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		return "internal error: buffer is read-only";
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	case SSH_ERR_KRL_BAD_MAGIC:
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		return "KRL file has invalid magic number";
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	case SSH_ERR_KEY_REVOKED:
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		return "Key is revoked";
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	case SSH_ERR_CONN_CLOSED:
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		return "Connection closed";
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	case SSH_ERR_CONN_TIMEOUT:
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		return "Connection timed out";
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	case SSH_ERR_CONN_CORRUPT:
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		return "Connection corrupted";
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	case SSH_ERR_PROTOCOL_ERROR:
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		return "Protocol error";
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	case SSH_ERR_KEY_LENGTH:
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		return "Invalid key length";
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	case SSH_ERR_NUMBER_TOO_LARGE:
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		return "number is too large";
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	default:
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		return "unknown error";
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	}
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}