Coverage Report

Created: 2025-06-22 06:46

/src/hpn-ssh/ssherr.c
Line
Count
Source (jump to first uncovered line)
1
/*  $OpenBSD: ssherr.c,v 1.10 2020/01/25 23:13:09 djm Exp $ */
2
/*
3
 * Copyright (c) 2011 Damien Miller
4
 *
5
 * Permission to use, copy, modify, and distribute this software for any
6
 * purpose with or without fee is hereby granted, provided that the above
7
 * copyright notice and this permission notice appear in all copies.
8
 *
9
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16
 */
17
18
#include <errno.h>
19
#include <string.h>
20
#include "ssherr.h"
21
22
const char *
23
ssh_err(int n)
24
0
{
25
0
  switch (n) {
26
0
  case SSH_ERR_SUCCESS:
27
0
    return "success";
28
0
  case SSH_ERR_INTERNAL_ERROR:
29
0
    return "unexpected internal error";
30
0
  case SSH_ERR_ALLOC_FAIL:
31
0
    return "memory allocation failed";
32
0
  case SSH_ERR_MESSAGE_INCOMPLETE:
33
0
    return "incomplete message";
34
0
  case SSH_ERR_INVALID_FORMAT:
35
0
    return "invalid format";
36
0
  case SSH_ERR_BIGNUM_IS_NEGATIVE:
37
0
    return "bignum is negative";
38
0
  case SSH_ERR_STRING_TOO_LARGE:
39
0
    return "string is too large";
40
0
  case SSH_ERR_BIGNUM_TOO_LARGE:
41
0
    return "bignum is too large";
42
0
  case SSH_ERR_ECPOINT_TOO_LARGE:
43
0
    return "elliptic curve point is too large";
44
0
  case SSH_ERR_NO_BUFFER_SPACE:
45
0
    return "insufficient buffer space";
46
0
  case SSH_ERR_INVALID_ARGUMENT:
47
0
    return "invalid argument";
48
0
  case SSH_ERR_KEY_BITS_MISMATCH:
49
0
    return "key bits do not match";
50
0
  case SSH_ERR_EC_CURVE_INVALID:
51
0
    return "invalid elliptic curve";
52
0
  case SSH_ERR_KEY_TYPE_MISMATCH:
53
0
    return "key type does not match";
54
0
  case SSH_ERR_KEY_TYPE_UNKNOWN:
55
0
    return "unknown or unsupported key type";
56
0
  case SSH_ERR_EC_CURVE_MISMATCH:
57
0
    return "elliptic curve does not match";
58
0
  case SSH_ERR_EXPECTED_CERT:
59
0
    return "plain key provided where certificate required";
60
0
  case SSH_ERR_KEY_LACKS_CERTBLOB:
61
0
    return "key lacks certificate data";
62
0
  case SSH_ERR_KEY_CERT_UNKNOWN_TYPE:
63
0
    return "unknown/unsupported certificate type";
64
0
  case SSH_ERR_KEY_CERT_INVALID_SIGN_KEY:
65
0
    return "invalid certificate signing key";
66
0
  case SSH_ERR_KEY_INVALID_EC_VALUE:
67
0
    return "invalid elliptic curve value";
68
0
  case SSH_ERR_SIGNATURE_INVALID:
69
0
    return "incorrect signature";
70
0
  case SSH_ERR_LIBCRYPTO_ERROR:
71
0
    return "error in libcrypto";  /* XXX fetch and return */
72
0
  case SSH_ERR_UNEXPECTED_TRAILING_DATA:
73
0
    return "unexpected bytes remain after decoding";
74
0
  case SSH_ERR_SYSTEM_ERROR:
75
0
    return strerror(errno);
76
0
  case SSH_ERR_KEY_CERT_INVALID:
77
0
    return "invalid certificate";
78
0
  case SSH_ERR_AGENT_COMMUNICATION:
79
0
    return "communication with agent failed";
80
0
  case SSH_ERR_AGENT_FAILURE:
81
0
    return "agent refused operation";
82
0
  case SSH_ERR_DH_GEX_OUT_OF_RANGE:
83
0
    return "DH GEX group out of range";
84
0
  case SSH_ERR_DISCONNECTED:
85
0
    return "disconnected";
86
0
  case SSH_ERR_MAC_INVALID:
87
0
    return "message authentication code incorrect";
88
0
  case SSH_ERR_NO_CIPHER_ALG_MATCH:
89
0
    return "no matching cipher found";
90
0
  case SSH_ERR_NO_MAC_ALG_MATCH:
91
0
    return "no matching MAC found";
92
0
  case SSH_ERR_NO_COMPRESS_ALG_MATCH:
93
0
    return "no matching compression method found";
94
0
  case SSH_ERR_NO_KEX_ALG_MATCH:
95
0
    return "no matching key exchange method found";
96
0
  case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
97
0
    return "no matching host key type found";
98
0
  case SSH_ERR_PROTOCOL_MISMATCH:
99
0
    return "protocol version mismatch";
100
0
  case SSH_ERR_NO_PROTOCOL_VERSION:
101
0
    return "could not read protocol version";
102
0
  case SSH_ERR_NO_HOSTKEY_LOADED:
103
0
    return "could not load host key";
104
0
  case SSH_ERR_NEED_REKEY:
105
0
    return "rekeying not supported by peer";
106
0
  case SSH_ERR_PASSPHRASE_TOO_SHORT:
107
0
    return "passphrase is too short (minimum five characters)";
108
0
  case SSH_ERR_FILE_CHANGED:
109
0
    return "file changed while reading";
110
0
  case SSH_ERR_KEY_UNKNOWN_CIPHER:
111
0
    return "key encrypted using unsupported cipher";
112
0
  case SSH_ERR_KEY_WRONG_PASSPHRASE:
113
0
    return "incorrect passphrase supplied to decrypt private key";
114
0
  case SSH_ERR_KEY_BAD_PERMISSIONS:
115
0
    return "bad permissions";
116
0
  case SSH_ERR_KEY_CERT_MISMATCH:
117
0
    return "certificate does not match key";
118
0
  case SSH_ERR_KEY_NOT_FOUND:
119
0
    return "key not found";
120
0
  case SSH_ERR_AGENT_NOT_PRESENT:
121
0
    return "agent not present";
122
0
  case SSH_ERR_AGENT_NO_IDENTITIES:
123
0
    return "agent contains no identities";
124
0
  case SSH_ERR_BUFFER_READ_ONLY:
125
0
    return "internal error: buffer is read-only";
126
0
  case SSH_ERR_KRL_BAD_MAGIC:
127
0
    return "KRL file has invalid magic number";
128
0
  case SSH_ERR_KEY_REVOKED:
129
0
    return "Key is revoked";
130
0
  case SSH_ERR_CONN_CLOSED:
131
0
    return "Connection closed";
132
0
  case SSH_ERR_CONN_TIMEOUT:
133
0
    return "Connection timed out";
134
0
  case SSH_ERR_CONN_CORRUPT:
135
0
    return "Connection corrupted";
136
0
  case SSH_ERR_PROTOCOL_ERROR:
137
0
    return "Protocol error";
138
0
  case SSH_ERR_KEY_LENGTH:
139
0
    return "Invalid key length";
140
0
  case SSH_ERR_NUMBER_TOO_LARGE:
141
0
    return "number is too large";
142
0
  case SSH_ERR_SIGN_ALG_UNSUPPORTED:
143
0
    return "signature algorithm not supported";
144
0
  case SSH_ERR_FEATURE_UNSUPPORTED:
145
0
    return "requested feature not supported";
146
0
  case SSH_ERR_DEVICE_NOT_FOUND:
147
0
    return "device not found";
148
0
  default:
149
0
    return "unknown error";
150
0
  }
151
0
}