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Contents of /branches/ssh_chacha20poly1305/ttssh2/ttxssh/ssherr.c

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Revision 9210 - (show annotations) (download) (as text)
Sat Apr 17 08:36:59 2021 UTC (2 years, 10 months ago) by nmaya
File MIME type: text/x-csrc
File size: 5349 byte(s) 
ファイルを分割・コードを移動・関数名を整理・新しい OpenSSH からインポート

- OpenSSH からインポート
  cipher-3des1.c from OpenSSH-7.5p1
  ssherr.c from OpenSSH-8.5p1
  ssherr.h from OpenSSH-8.5p1
1 /* Imported via OpenSSH-8.5p1, TeraTerm Project */
2
3 /* $OpenBSD: ssherr.c,v 1.10 2020/01/25 23:13:09 djm Exp $ */
4 /*
5 * Copyright (c) 2011 Damien Miller
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #include <errno.h>
21 #include <string.h>
22 #include "ssherr.h"
23
24 const char *
25 ssh_err(int n)
26 {
27 switch (n) {
28 case SSH_ERR_SUCCESS:
29 return "success";
30 case SSH_ERR_INTERNAL_ERROR:
31 return "unexpected internal error";
32 case SSH_ERR_ALLOC_FAIL:
33 return "memory allocation failed";
34 case SSH_ERR_MESSAGE_INCOMPLETE:
35 return "incomplete message";
36 case SSH_ERR_INVALID_FORMAT:
37 return "invalid format";
38 case SSH_ERR_BIGNUM_IS_NEGATIVE:
39 return "bignum is negative";
40 case SSH_ERR_STRING_TOO_LARGE:
41 return "string is too large";
42 case SSH_ERR_BIGNUM_TOO_LARGE:
43 return "bignum is too large";
44 case SSH_ERR_ECPOINT_TOO_LARGE:
45 return "elliptic curve point is too large";
46 case SSH_ERR_NO_BUFFER_SPACE:
47 return "insufficient buffer space";
48 case SSH_ERR_INVALID_ARGUMENT:
49 return "invalid argument";
50 case SSH_ERR_KEY_BITS_MISMATCH:
51 return "key bits do not match";
52 case SSH_ERR_EC_CURVE_INVALID:
53 return "invalid elliptic curve";
54 case SSH_ERR_KEY_TYPE_MISMATCH:
55 return "key type does not match";
56 case SSH_ERR_KEY_TYPE_UNKNOWN:
57 return "unknown or unsupported key type";
58 case SSH_ERR_EC_CURVE_MISMATCH:
59 return "elliptic curve does not match";
60 case SSH_ERR_EXPECTED_CERT:
61 return "plain key provided where certificate required";
62 case SSH_ERR_KEY_LACKS_CERTBLOB:
63 return "key lacks certificate data";
64 case SSH_ERR_KEY_CERT_UNKNOWN_TYPE:
65 return "unknown/unsupported certificate type";
66 case SSH_ERR_KEY_CERT_INVALID_SIGN_KEY:
67 return "invalid certificate signing key";
68 case SSH_ERR_KEY_INVALID_EC_VALUE:
69 return "invalid elliptic curve value";
70 case SSH_ERR_SIGNATURE_INVALID:
71 return "incorrect signature";
72 case SSH_ERR_LIBCRYPTO_ERROR:
73 return "error in libcrypto"; /* XXX fetch and return */
74 case SSH_ERR_UNEXPECTED_TRAILING_DATA:
75 return "unexpected bytes remain after decoding";
76 case SSH_ERR_SYSTEM_ERROR:
77 return strerror(errno);
78 case SSH_ERR_KEY_CERT_INVALID:
79 return "invalid certificate";
80 case SSH_ERR_AGENT_COMMUNICATION:
81 return "communication with agent failed";
82 case SSH_ERR_AGENT_FAILURE:
83 return "agent refused operation";
84 case SSH_ERR_DH_GEX_OUT_OF_RANGE:
85 return "DH GEX group out of range";
86 case SSH_ERR_DISCONNECTED:
87 return "disconnected";
88 case SSH_ERR_MAC_INVALID:
89 return "message authentication code incorrect";
90 case SSH_ERR_NO_CIPHER_ALG_MATCH:
91 return "no matching cipher found";
92 case SSH_ERR_NO_MAC_ALG_MATCH:
93 return "no matching MAC found";
94 case SSH_ERR_NO_COMPRESS_ALG_MATCH:
95 return "no matching compression method found";
96 case SSH_ERR_NO_KEX_ALG_MATCH:
97 return "no matching key exchange method found";
98 case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
99 return "no matching host key type found";
100 case SSH_ERR_PROTOCOL_MISMATCH:
101 return "protocol version mismatch";
102 case SSH_ERR_NO_PROTOCOL_VERSION:
103 return "could not read protocol version";
104 case SSH_ERR_NO_HOSTKEY_LOADED:
105 return "could not load host key";
106 case SSH_ERR_NEED_REKEY:
107 return "rekeying not supported by peer";
108 case SSH_ERR_PASSPHRASE_TOO_SHORT:
109 return "passphrase is too short (minimum five characters)";
110 case SSH_ERR_FILE_CHANGED:
111 return "file changed while reading";
112 case SSH_ERR_KEY_UNKNOWN_CIPHER:
113 return "key encrypted using unsupported cipher";
114 case SSH_ERR_KEY_WRONG_PASSPHRASE:
115 return "incorrect passphrase supplied to decrypt private key";
116 case SSH_ERR_KEY_BAD_PERMISSIONS:
117 return "bad permissions";
118 case SSH_ERR_KEY_CERT_MISMATCH:
119 return "certificate does not match key";
120 case SSH_ERR_KEY_NOT_FOUND:
121 return "key not found";
122 case SSH_ERR_AGENT_NOT_PRESENT:
123 return "agent not present";
124 case SSH_ERR_AGENT_NO_IDENTITIES:
125 return "agent contains no identities";
126 case SSH_ERR_BUFFER_READ_ONLY:
127 return "internal error: buffer is read-only";
128 case SSH_ERR_KRL_BAD_MAGIC:
129 return "KRL file has invalid magic number";
130 case SSH_ERR_KEY_REVOKED:
131 return "Key is revoked";
132 case SSH_ERR_CONN_CLOSED:
133 return "Connection closed";
134 case SSH_ERR_CONN_TIMEOUT:
135 return "Connection timed out";
136 case SSH_ERR_CONN_CORRUPT:
137 return "Connection corrupted";
138 case SSH_ERR_PROTOCOL_ERROR:
139 return "Protocol error";
140 case SSH_ERR_KEY_LENGTH:
141 return "Invalid key length";
142 case SSH_ERR_NUMBER_TOO_LARGE:
143 return "number is too large";
144 case SSH_ERR_SIGN_ALG_UNSUPPORTED:
145 return "signature algorithm not supported";
146 case SSH_ERR_FEATURE_UNSUPPORTED:
147 return "requested feature not supported";
148 case SSH_ERR_DEVICE_NOT_FOUND:
149 return "device not found";
150 default:
151 return "unknown error";
152 }
153 }
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