| 1 |
/* |
| 2 |
Copyright (c) 1998-2001, Robert O'Callahan |
| 3 |
All rights reserved. |
| 4 |
|
| 5 |
Redistribution and use in source and binary forms, with or without modification, |
| 6 |
are permitted provided that the following conditions are met: |
| 7 |
|
| 8 |
Redistributions of source code must retain the above copyright notice, this list of |
| 9 |
conditions and the following disclaimer. |
| 10 |
|
| 11 |
Redistributions in binary form must reproduce the above copyright notice, this list |
| 12 |
of conditions and the following disclaimer in the documentation and/or other materials |
| 13 |
provided with the distribution. |
| 14 |
|
| 15 |
The name of Robert O'Callahan may not be used to endorse or promote products derived from |
| 16 |
this software without specific prior written permission. |
| 17 |
|
| 18 |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND |
| 19 |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 |
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 21 |
THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 22 |
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 |
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 |
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 |
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 26 |
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 |
*/ |
| 28 |
|
| 29 |
/* |
| 30 |
This code is copyright (C) 1998-1999 Robert O'Callahan. |
| 31 |
See LICENSE.TXT for the license. |
| 32 |
*/ |
| 33 |
|
| 34 |
#include "ttxssh.h" |
| 35 |
#include "util.h" |
| 36 |
#include "resource.h" |
| 37 |
#include "matcher.h" |
| 38 |
#include "ssh.h" |
| 39 |
#include "key.h" |
| 40 |
#include "hosts.h" |
| 41 |
|
| 42 |
#include <openssl/bn.h> |
| 43 |
#include <openssl/evp.h> |
| 44 |
#include <openssl/rsa.h> |
| 45 |
#include <openssl/dsa.h> |
| 46 |
|
| 47 |
#include <fcntl.h> |
| 48 |
#include <io.h> |
| 49 |
#include <errno.h> |
| 50 |
#include <sys/stat.h> |
| 51 |
#include <direct.h> |
| 52 |
#include <memory.h> |
| 53 |
|
| 54 |
#include <windns.h> |
| 55 |
|
| 56 |
#define DNS_TYPE_SSHFP 44 |
| 57 |
typedef struct { |
| 58 |
BYTE Algorithm; |
| 59 |
BYTE DigestType; |
| 60 |
BYTE Digest[1]; |
| 61 |
} DNS_SSHFP_DATA, *PDNS_SSHFP_DATA; |
| 62 |
enum verifydns_result { |
| 63 |
DNS_VERIFY_NONE, |
| 64 |
DNS_VERIFY_NOTFOUND, |
| 65 |
DNS_VERIFY_MATCH, |
| 66 |
DNS_VERIFY_MISMATCH, |
| 67 |
DNS_VERIFY_DIFFERENTTYPE, |
| 68 |
DNS_VERIFY_AUTH_MATCH, |
| 69 |
DNS_VERIFY_AUTH_MISMATCH, |
| 70 |
DNS_VERIFY_AUTH_DIFFERENTTYPE |
| 71 |
}; |
| 72 |
|
| 73 |
static HFONT DlgHostsAddFont; |
| 74 |
static HFONT DlgHostsReplaceFont; |
| 75 |
|
| 76 |
// BASE64�\���������i��������'='�����������������j |
| 77 |
static char base64[] ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| 78 |
|
| 79 |
|
| 80 |
// �z�X�g�L�[�������� (2006.3.21 yutaka) |
| 81 |
static void init_hostkey(Key *key) |
| 82 |
{ |
| 83 |
key->type = KEY_UNSPEC; |
| 84 |
|
| 85 |
// SSH1 |
| 86 |
key->bits = 0; |
| 87 |
if (key->exp != NULL) { |
| 88 |
free(key->exp); |
| 89 |
key->exp = NULL; |
| 90 |
} |
| 91 |
if (key->mod != NULL) { |
| 92 |
free(key->mod); |
| 93 |
key->mod = NULL; |
| 94 |
} |
| 95 |
|
| 96 |
// SSH2 |
| 97 |
if (key->dsa != NULL) { |
| 98 |
DSA_free(key->dsa); |
| 99 |
key->dsa = NULL; |
| 100 |
} |
| 101 |
if (key->rsa != NULL) { |
| 102 |
RSA_free(key->rsa); |
| 103 |
key->rsa = NULL; |
| 104 |
} |
| 105 |
if (key->ecdsa != NULL) { |
| 106 |
EC_KEY_free(key->ecdsa); |
| 107 |
key->ecdsa = NULL; |
| 108 |
} |
| 109 |
} |
| 110 |
|
| 111 |
|
| 112 |
static char FAR *FAR * parse_multi_path(char FAR * buf) |
| 113 |
{ |
| 114 |
int i; |
| 115 |
int ch; |
| 116 |
int num_paths = 1; |
| 117 |
char FAR *FAR * result; |
| 118 |
int last_path_index; |
| 119 |
|
| 120 |
for (i = 0; (ch = buf[i]) != 0; i++) { |
| 121 |
if (ch == ';') { |
| 122 |
num_paths++; |
| 123 |
} |
| 124 |
} |
| 125 |
|
| 126 |
result = |
| 127 |
(char FAR * FAR *) malloc(sizeof(char FAR *) * (num_paths + 1)); |
| 128 |
|
| 129 |
last_path_index = 0; |
| 130 |
num_paths = 0; |
| 131 |
for (i = 0; (ch = buf[i]) != 0; i++) { |
| 132 |
if (ch == ';') { |
| 133 |
buf[i] = 0; |
| 134 |
result[num_paths] = _strdup(buf + last_path_index); |
| 135 |
num_paths++; |
| 136 |
buf[i] = ch; |
| 137 |
last_path_index = i + 1; |
| 138 |
} |
| 139 |
} |
| 140 |
if (i > last_path_index) { |
| 141 |
result[num_paths] = _strdup(buf + last_path_index); |
| 142 |
num_paths++; |
| 143 |
} |
| 144 |
result[num_paths] = NULL; |
| 145 |
return result; |
| 146 |
} |
| 147 |
|
| 148 |
void HOSTS_init(PTInstVar pvar) |
| 149 |
{ |
| 150 |
pvar->hosts_state.prefetched_hostname = NULL; |
| 151 |
init_hostkey(&pvar->hosts_state.hostkey); |
| 152 |
pvar->hosts_state.hosts_dialog = NULL; |
| 153 |
pvar->hosts_state.file_names = NULL; |
| 154 |
} |
| 155 |
|
| 156 |
void HOSTS_open(PTInstVar pvar) |
| 157 |
{ |
| 158 |
pvar->hosts_state.file_names = |
| 159 |
parse_multi_path(pvar->session_settings.KnownHostsFiles); |
| 160 |
} |
| 161 |
|
| 162 |
// |
| 163 |
// known_hosts�t�@�C�������e�������� pvar->hosts_state.file_data ���������� |
| 164 |
// |
| 165 |
static int begin_read_file(PTInstVar pvar, char FAR * name, |
| 166 |
int suppress_errors) |
| 167 |
{ |
| 168 |
int fd; |
| 169 |
int length; |
| 170 |
int amount_read; |
| 171 |
char buf[2048]; |
| 172 |
|
| 173 |
get_teraterm_dir_relative_name(buf, sizeof(buf), name); |
| 174 |
fd = _open(buf, _O_RDONLY | _O_SEQUENTIAL | _O_BINARY); |
| 175 |
if (fd == -1) { |
| 176 |
if (!suppress_errors) { |
| 177 |
if (errno == ENOENT) { |
| 178 |
UTIL_get_lang_msg("MSG_HOSTS_READ_ENOENT_ERROR", pvar, |
| 179 |
"An error occurred while trying to read a known_hosts file.\n" |
| 180 |
"The specified filename does not exist."); |
| 181 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 182 |
} else { |
| 183 |
UTIL_get_lang_msg("MSG_HOSTS_READ_ERROR", pvar, |
| 184 |
"An error occurred while trying to read a known_hosts file."); |
| 185 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 186 |
} |
| 187 |
} |
| 188 |
return 0; |
| 189 |
} |
| 190 |
|
| 191 |
length = (int) _lseek(fd, 0, SEEK_END); |
| 192 |
_lseek(fd, 0, SEEK_SET); |
| 193 |
|
| 194 |
if (length >= 0 && length < 0x7FFFFFFF) { |
| 195 |
pvar->hosts_state.file_data = malloc(length + 1); |
| 196 |
if (pvar->hosts_state.file_data == NULL) { |
| 197 |
if (!suppress_errors) { |
| 198 |
UTIL_get_lang_msg("MSG_HOSTS_ALLOC_ERROR", pvar, |
| 199 |
"Memory ran out while trying to allocate space to read a known_hosts file."); |
| 200 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 201 |
} |
| 202 |
_close(fd); |
| 203 |
return 0; |
| 204 |
} |
| 205 |
} else { |
| 206 |
if (!suppress_errors) { |
| 207 |
UTIL_get_lang_msg("MSG_HOSTS_READ_ERROR", pvar, |
| 208 |
"An error occurred while trying to read a known_hosts file."); |
| 209 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 210 |
} |
| 211 |
_close(fd); |
| 212 |
return 0; |
| 213 |
} |
| 214 |
|
| 215 |
amount_read = _read(fd, pvar->hosts_state.file_data, length); |
| 216 |
pvar->hosts_state.file_data[length] = 0; |
| 217 |
|
| 218 |
_close(fd); |
| 219 |
|
| 220 |
if (amount_read != length) { |
| 221 |
if (!suppress_errors) { |
| 222 |
UTIL_get_lang_msg("MSG_HOSTS_READ_ERROR", pvar, |
| 223 |
"An error occurred while trying to read a known_hosts file."); |
| 224 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 225 |
} |
| 226 |
free(pvar->hosts_state.file_data); |
| 227 |
pvar->hosts_state.file_data = NULL; |
| 228 |
return 0; |
| 229 |
} else { |
| 230 |
return 1; |
| 231 |
} |
| 232 |
} |
| 233 |
|
| 234 |
static int end_read_file(PTInstVar pvar, int suppress_errors) |
| 235 |
{ |
| 236 |
free(pvar->hosts_state.file_data); |
| 237 |
pvar->hosts_state.file_data = NULL; |
| 238 |
return 1; |
| 239 |
} |
| 240 |
|
| 241 |
static int begin_read_host_files(PTInstVar pvar, int suppress_errors) |
| 242 |
{ |
| 243 |
pvar->hosts_state.file_num = 0; |
| 244 |
pvar->hosts_state.file_data = NULL; |
| 245 |
return 1; |
| 246 |
} |
| 247 |
|
| 248 |
// MIME64�����������X�L�b�v���� |
| 249 |
static int eat_base64(char FAR * data) |
| 250 |
{ |
| 251 |
int index = 0; |
| 252 |
int ch; |
| 253 |
|
| 254 |
for (;;) { |
| 255 |
ch = data[index]; |
| 256 |
if (ch == '=' || strchr(base64, ch)) { |
| 257 |
// BASE64���\�������������������� index ���i���� |
| 258 |
index++; |
| 259 |
} else { |
| 260 |
break; |
| 261 |
} |
| 262 |
} |
| 263 |
|
| 264 |
return index; |
| 265 |
} |
| 266 |
|
| 267 |
static int eat_spaces(char FAR * data) |
| 268 |
{ |
| 269 |
int index = 0; |
| 270 |
int ch; |
| 271 |
|
| 272 |
while ((ch = data[index]) == ' ' || ch == '\t') { |
| 273 |
index++; |
| 274 |
} |
| 275 |
return index; |
| 276 |
} |
| 277 |
|
| 278 |
static int eat_digits(char FAR * data) |
| 279 |
{ |
| 280 |
int index = 0; |
| 281 |
int ch; |
| 282 |
|
| 283 |
while ((ch = data[index]) >= '0' && ch <= '9') { |
| 284 |
index++; |
| 285 |
} |
| 286 |
return index; |
| 287 |
} |
| 288 |
|
| 289 |
static int eat_to_end_of_line(char FAR * data) |
| 290 |
{ |
| 291 |
int index = 0; |
| 292 |
int ch; |
| 293 |
|
| 294 |
while ((ch = data[index]) != '\n' && ch != '\r' && ch != 0) { |
| 295 |
index++; |
| 296 |
} |
| 297 |
|
| 298 |
while ((ch = data[index]) == '\n' || ch == '\r') { |
| 299 |
index++; |
| 300 |
} |
| 301 |
|
| 302 |
return index; |
| 303 |
} |
| 304 |
|
| 305 |
static int eat_to_end_of_pattern(char FAR * data) |
| 306 |
{ |
| 307 |
int index = 0; |
| 308 |
int ch; |
| 309 |
|
| 310 |
while (ch = data[index], is_pattern_char(ch)) { |
| 311 |
index++; |
| 312 |
} |
| 313 |
|
| 314 |
return index; |
| 315 |
} |
| 316 |
|
| 317 |
// |
| 318 |
// BASE64�f�R�[�h�������s���B(rfc1521) |
| 319 |
// src�o�b�t�@�� null-terminate ���������K�v�����B |
| 320 |
// |
| 321 |
static int uudecode(unsigned char *src, int srclen, unsigned char *target, int targsize) |
| 322 |
{ |
| 323 |
char pad = '='; |
| 324 |
int tarindex, state, ch; |
| 325 |
char *pos; |
| 326 |
|
| 327 |
state = 0; |
| 328 |
tarindex = 0; |
| 329 |
|
| 330 |
while ((ch = *src++) != '\0') { |
| 331 |
if (isspace(ch)) /* Skip whitespace anywhere. */ |
| 332 |
continue; |
| 333 |
|
| 334 |
if (ch == pad) |
| 335 |
break; |
| 336 |
|
| 337 |
pos = strchr(base64, ch); |
| 338 |
if (pos == 0) /* A non-base64 character. */ |
| 339 |
return (-1); |
| 340 |
|
| 341 |
switch (state) { |
| 342 |
case 0: |
| 343 |
if (target) { |
| 344 |
if (tarindex >= targsize) |
| 345 |
return (-1); |
| 346 |
target[tarindex] = (pos - base64) << 2; |
| 347 |
} |
| 348 |
state = 1; |
| 349 |
break; |
| 350 |
case 1: |
| 351 |
if (target) { |
| 352 |
if (tarindex + 1 >= targsize) |
| 353 |
return (-1); |
| 354 |
target[tarindex] |= (pos - base64) >> 4; |
| 355 |
target[tarindex+1] = ((pos - base64) & 0x0f) << 4 ; |
| 356 |
} |
| 357 |
tarindex++; |
| 358 |
state = 2; |
| 359 |
break; |
| 360 |
case 2: |
| 361 |
if (target) { |
| 362 |
if (tarindex + 1 >= targsize) |
| 363 |
return (-1); |
| 364 |
target[tarindex] |= (pos - base64) >> 2; |
| 365 |
target[tarindex+1] = ((pos - base64) & 0x03) << 6; |
| 366 |
} |
| 367 |
tarindex++; |
| 368 |
state = 3; |
| 369 |
break; |
| 370 |
case 3: |
| 371 |
if (target) { |
| 372 |
if (tarindex >= targsize) |
| 373 |
return (-1); |
| 374 |
target[tarindex] |= (pos - base64); |
| 375 |
} |
| 376 |
tarindex++; |
| 377 |
state = 0; |
| 378 |
break; |
| 379 |
} |
| 380 |
} |
| 381 |
|
| 382 |
/* |
| 383 |
* We are done decoding Base-64 chars. Let's see if we ended |
| 384 |
* on a byte boundary, and/or with erroneous trailing characters. |
| 385 |
*/ |
| 386 |
|
| 387 |
if (ch == pad) { /* We got a pad char. */ |
| 388 |
ch = *src++; /* Skip it, get next. */ |
| 389 |
switch (state) { |
| 390 |
case 0: /* Invalid = in first position */ |
| 391 |
case 1: /* Invalid = in second position */ |
| 392 |
return (-1); |
| 393 |
|
| 394 |
case 2: /* Valid, means one byte of info */ |
| 395 |
/* Skip any number of spaces. */ |
| 396 |
for (; ch != '\0'; ch = *src++) |
| 397 |
if (!isspace(ch)) |
| 398 |
break; |
| 399 |
/* Make sure there is another trailing = sign. */ |
| 400 |
if (ch != pad) |
| 401 |
return (-1); |
| 402 |
ch = *src++; /* Skip the = */ |
| 403 |
/* Fall through to "single trailing =" case. */ |
| 404 |
/* FALLTHROUGH */ |
| 405 |
|
| 406 |
case 3: /* Valid, means two bytes of info */ |
| 407 |
/* |
| 408 |
* We know this char is an =. Is there anything but |
| 409 |
* whitespace after it? |
| 410 |
*/ |
| 411 |
for (; ch != '\0'; ch = *src++) |
| 412 |
if (!isspace(ch)) |
| 413 |
return (-1); |
| 414 |
|
| 415 |
/* |
| 416 |
* Now make sure for cases 2 and 3 that the "extra" |
| 417 |
* bits that slopped past the last full byte were |
| 418 |
* zeros. If we don't check them, they become a |
| 419 |
* subliminal channel. |
| 420 |
*/ |
| 421 |
if (target && target[tarindex] != 0) |
| 422 |
return (-1); |
| 423 |
} |
| 424 |
} else { |
| 425 |
/* |
| 426 |
* We ended by seeing the end of the string. Make sure we |
| 427 |
* have no partial bytes lying around. |
| 428 |
*/ |
| 429 |
if (state != 0) |
| 430 |
return (-1); |
| 431 |
} |
| 432 |
|
| 433 |
return (tarindex); |
| 434 |
} |
| 435 |
|
| 436 |
|
| 437 |
// SSH2���� BASE64 �`�����i�[���������� |
| 438 |
static Key *parse_uudecode(char *data) |
| 439 |
{ |
| 440 |
int count; |
| 441 |
unsigned char *blob = NULL; |
| 442 |
int len, n; |
| 443 |
Key *key = NULL; |
| 444 |
char ch; |
| 445 |
|
| 446 |
// BASE64���������T�C�Y������ |
| 447 |
count = eat_base64(data); |
| 448 |
len = 2 * count; |
| 449 |
blob = malloc(len); |
| 450 |
if (blob == NULL) |
| 451 |
goto error; |
| 452 |
|
| 453 |
// BASE64�f�R�[�h |
| 454 |
ch = data[count]; |
| 455 |
data[count] = '\0'; // ���������s�R�[�h������������������������������������ |
| 456 |
n = uudecode(data, count, blob, len); |
| 457 |
data[count] = ch; |
| 458 |
if (n < 0) { |
| 459 |
goto error; |
| 460 |
} |
| 461 |
|
| 462 |
key = key_from_blob(blob, n); |
| 463 |
if (key == NULL) |
| 464 |
goto error; |
| 465 |
|
| 466 |
error: |
| 467 |
if (blob != NULL) |
| 468 |
free(blob); |
| 469 |
|
| 470 |
return (key); |
| 471 |
} |
| 472 |
|
| 473 |
|
| 474 |
static char FAR *parse_bignum(char FAR * data) |
| 475 |
{ |
| 476 |
uint32 digits = 0; |
| 477 |
BIGNUM *num = BN_new(); |
| 478 |
BIGNUM *billion = BN_new(); |
| 479 |
BIGNUM *digits_num = BN_new(); |
| 480 |
BN_CTX *ctx = BN_CTX_new(); |
| 481 |
char FAR *result; |
| 482 |
int ch; |
| 483 |
int leftover_digits = 1; |
| 484 |
|
| 485 |
BN_CTX_init(ctx); |
| 486 |
BN_set_word(num, 0); |
| 487 |
BN_set_word(billion, 1000000000L); |
| 488 |
|
| 489 |
while ((ch = *data) >= '0' && ch <= '9') { |
| 490 |
if (leftover_digits == 1000000000L) { |
| 491 |
BN_set_word(digits_num, digits); |
| 492 |
BN_mul(num, num, billion, ctx); |
| 493 |
BN_add(num, num, digits_num); |
| 494 |
leftover_digits = 1; |
| 495 |
digits = 0; |
| 496 |
} |
| 497 |
|
| 498 |
digits = digits * 10 + ch - '0'; |
| 499 |
leftover_digits *= 10; |
| 500 |
data++; |
| 501 |
} |
| 502 |
|
| 503 |
BN_set_word(digits_num, digits); |
| 504 |
BN_set_word(billion, leftover_digits); |
| 505 |
BN_mul(num, num, billion, ctx); |
| 506 |
BN_add(num, num, digits_num); |
| 507 |
|
| 508 |
result = (char FAR *) malloc(2 + BN_num_bytes(num)); |
| 509 |
set_ushort16_MSBfirst(result, BN_num_bits(num)); |
| 510 |
BN_bn2bin(num, result + 2); |
| 511 |
|
| 512 |
BN_CTX_free(ctx); |
| 513 |
BN_free(digits_num); |
| 514 |
BN_free(num); |
| 515 |
BN_free(billion); |
| 516 |
|
| 517 |
return result; |
| 518 |
} |
| 519 |
|
| 520 |
// |
| 521 |
// known_hosts�t�@�C�������e���������A�w�������z�X�g�����J�����T���B |
| 522 |
// |
| 523 |
static int check_host_key(PTInstVar pvar, char FAR * hostname, |
| 524 |
unsigned short tcpport, char FAR * data) |
| 525 |
{ |
| 526 |
int index = eat_spaces(data); |
| 527 |
int matched = 0; |
| 528 |
int keybits = 0; |
| 529 |
|
| 530 |
if (data[index] == '#') { |
| 531 |
return index + eat_to_end_of_line(data + index); |
| 532 |
} |
| 533 |
|
| 534 |
/* if we find an empty line, then it won't have any patterns matching the hostname |
| 535 |
and so we skip it */ |
| 536 |
index--; |
| 537 |
do { |
| 538 |
int negated; |
| 539 |
int bracketed; |
| 540 |
char *end_bracket; |
| 541 |
int host_matched = 0; |
| 542 |
unsigned short keyfile_port = 22; |
| 543 |
|
| 544 |
index++; |
| 545 |
negated = data[index] == '!'; |
| 546 |
|
| 547 |
if (negated) { |
| 548 |
index++; |
| 549 |
bracketed = data[index] == '['; |
| 550 |
if (bracketed) { |
| 551 |
end_bracket = strstr(data + index + 1, "]:"); |
| 552 |
if (end_bracket != NULL) { |
| 553 |
*end_bracket = ' '; |
| 554 |
index++; |
| 555 |
} |
| 556 |
} |
| 557 |
host_matched = match_pattern(data + index, hostname); |
| 558 |
if (bracketed && end_bracket != NULL) { |
| 559 |
*end_bracket = ']'; |
| 560 |
keyfile_port = atoi(end_bracket + 2); |
| 561 |
} |
| 562 |
if (host_matched && keyfile_port == tcpport) { |
| 563 |
return index + eat_to_end_of_line(data + index); |
| 564 |
} |
| 565 |
} else { |
| 566 |
bracketed = data[index] == '['; |
| 567 |
if (bracketed) { |
| 568 |
end_bracket = strstr(data + index + 1, "]:"); |
| 569 |
if (end_bracket != NULL) { |
| 570 |
*end_bracket = ' '; |
| 571 |
index++; |
| 572 |
} |
| 573 |
} |
| 574 |
host_matched = match_pattern(data + index, hostname); |
| 575 |
if (bracketed && end_bracket != NULL) { |
| 576 |
*end_bracket = ']'; |
| 577 |
keyfile_port = atoi(end_bracket + 2); |
| 578 |
} |
| 579 |
if (host_matched && keyfile_port == tcpport) { |
| 580 |
matched = 1; |
| 581 |
} |
| 582 |
} |
| 583 |
|
| 584 |
index += eat_to_end_of_pattern(data + index); |
| 585 |
} while (data[index] == ','); |
| 586 |
|
| 587 |
if (!matched) { |
| 588 |
return index + eat_to_end_of_line(data + index); |
| 589 |
} else { |
| 590 |
// ���������������t�H�[�}�b�g�������� |
| 591 |
// �����A���������v�����G���g�����������������������B |
| 592 |
/* |
| 593 |
[SSH1] |
| 594 |
192.168.1.2 1024 35 13032.... |
| 595 |
|
| 596 |
[SSH2] |
| 597 |
192.168.1.2 ssh-rsa AAAAB3NzaC1.... |
| 598 |
192.168.1.2 ssh-dss AAAAB3NzaC1.... |
| 599 |
192.168.1.2 rsa AAAAB3NzaC1.... |
| 600 |
192.168.1.2 dsa AAAAB3NzaC1.... |
| 601 |
192.168.1.2 rsa1 AAAAB3NzaC1.... |
| 602 |
*/ |
| 603 |
int rsa1_key_bits; |
| 604 |
|
| 605 |
index += eat_spaces(data + index); |
| 606 |
|
| 607 |
rsa1_key_bits = atoi(data + index); |
| 608 |
if (rsa1_key_bits > 0) { // RSA1������ |
| 609 |
if (!SSHv1(pvar)) { // SSH2�������������������� |
| 610 |
return index + eat_to_end_of_line(data + index); |
| 611 |
} |
| 612 |
|
| 613 |
pvar->hosts_state.hostkey.type = KEY_RSA1; |
| 614 |
|
| 615 |
pvar->hosts_state.hostkey.bits = rsa1_key_bits; |
| 616 |
index += eat_digits(data + index); |
| 617 |
index += eat_spaces(data + index); |
| 618 |
|
| 619 |
pvar->hosts_state.hostkey.exp = parse_bignum(data + index); |
| 620 |
index += eat_digits(data + index); |
| 621 |
index += eat_spaces(data + index); |
| 622 |
|
| 623 |
pvar->hosts_state.hostkey.mod = parse_bignum(data + index); |
| 624 |
|
| 625 |
/* |
| 626 |
if (pvar->hosts_state.key_bits < 0 |
| 627 |
|| pvar->hosts_state.key_exp == NULL |
| 628 |
|| pvar->hosts_state.key_mod == NULL) { |
| 629 |
pvar->hosts_state.key_bits = 0; |
| 630 |
free(pvar->hosts_state.key_exp); |
| 631 |
free(pvar->hosts_state.key_mod); |
| 632 |
}*/ |
| 633 |
|
| 634 |
} else { |
| 635 |
char *cp, *p; |
| 636 |
Key *key; |
| 637 |
|
| 638 |
if (!SSHv2(pvar)) { // SSH1�������������������� |
| 639 |
return index + eat_to_end_of_line(data + index); |
| 640 |
} |
| 641 |
|
| 642 |
cp = data + index; |
| 643 |
p = strchr(cp, ' '); |
| 644 |
if (p == NULL) { |
| 645 |
return index + eat_to_end_of_line(data + index); |
| 646 |
} |
| 647 |
index += (p - cp); // setup index |
| 648 |
*p = '\0'; |
| 649 |
pvar->hosts_state.hostkey.type = get_keytype_from_name(cp); |
| 650 |
*p = ' '; |
| 651 |
|
| 652 |
index += eat_spaces(data + index); // update index |
| 653 |
|
| 654 |
// uudecode |
| 655 |
key = parse_uudecode(data + index); |
| 656 |
if (key == NULL) { |
| 657 |
return index + eat_to_end_of_line(data + index); |
| 658 |
} |
| 659 |
|
| 660 |
// setup |
| 661 |
pvar->hosts_state.hostkey.type = key->type; |
| 662 |
pvar->hosts_state.hostkey.dsa = key->dsa; |
| 663 |
pvar->hosts_state.hostkey.rsa = key->rsa; |
| 664 |
pvar->hosts_state.hostkey.ecdsa = key->ecdsa; |
| 665 |
|
| 666 |
index += eat_base64(data + index); |
| 667 |
index += eat_spaces(data + index); |
| 668 |
|
| 669 |
// Key�\�������g���������� (2008.3.2 yutaka) |
| 670 |
free(key); |
| 671 |
} |
| 672 |
|
| 673 |
return index + eat_to_end_of_line(data + index); |
| 674 |
} |
| 675 |
} |
| 676 |
|
| 677 |
// |
| 678 |
// known_hosts�t�@�C�������z�X�g�������v�����s������ |
| 679 |
// |
| 680 |
static int read_host_key(PTInstVar pvar, |
| 681 |
char FAR * hostname, unsigned short tcpport, |
| 682 |
int suppress_errors, int return_always) |
| 683 |
{ |
| 684 |
int i; |
| 685 |
int while_flg; |
| 686 |
|
| 687 |
for (i = 0; hostname[i] != 0; i++) { |
| 688 |
int ch = hostname[i]; |
| 689 |
|
| 690 |
if (!is_pattern_char(ch) || ch == '*' || ch == '?') { |
| 691 |
if (!suppress_errors) { |
| 692 |
UTIL_get_lang_msg("MSG_HOSTS_HOSTNAME_INVALID_ERROR", pvar, |
| 693 |
"The host name contains an invalid character.\n" |
| 694 |
"This session will be terminated."); |
| 695 |
notify_fatal_error(pvar, pvar->ts->UIMsg); |
| 696 |
} |
| 697 |
return 0; |
| 698 |
} |
| 699 |
} |
| 700 |
|
| 701 |
if (i == 0) { |
| 702 |
if (!suppress_errors) { |
| 703 |
UTIL_get_lang_msg("MSG_HOSTS_HOSTNAME_EMPTY_ERROR", pvar, |
| 704 |
"The host name should not be empty.\n" |
| 705 |
"This session will be terminated."); |
| 706 |
notify_fatal_error(pvar, pvar->ts->UIMsg); |
| 707 |
} |
| 708 |
return 0; |
| 709 |
} |
| 710 |
|
| 711 |
// hostkey type is KEY_UNSPEC. |
| 712 |
init_hostkey(&pvar->hosts_state.hostkey); |
| 713 |
|
| 714 |
do { |
| 715 |
if (pvar->hosts_state.file_data == NULL |
| 716 |
|| pvar->hosts_state.file_data[pvar->hosts_state.file_data_index] == 0) { |
| 717 |
char FAR *filename; |
| 718 |
int keep_going = 1; |
| 719 |
|
| 720 |
if (pvar->hosts_state.file_data != NULL) { |
| 721 |
end_read_file(pvar, suppress_errors); |
| 722 |
} |
| 723 |
|
| 724 |
do { |
| 725 |
filename = |
| 726 |
pvar->hosts_state.file_names[pvar->hosts_state.file_num]; |
| 727 |
|
| 728 |
if (filename == NULL) { |
| 729 |
return 1; |
| 730 |
} else { |
| 731 |
pvar->hosts_state.file_num++; |
| 732 |
|
| 733 |
if (filename[0] != 0) { |
| 734 |
if (begin_read_file(pvar, filename, suppress_errors)) { |
| 735 |
pvar->hosts_state.file_data_index = 0; |
| 736 |
keep_going = 0; |
| 737 |
} |
| 738 |
} |
| 739 |
} |
| 740 |
} while (keep_going); |
| 741 |
} |
| 742 |
|
| 743 |
pvar->hosts_state.file_data_index += |
| 744 |
check_host_key(pvar, hostname, tcpport, |
| 745 |
pvar->hosts_state.file_data + |
| 746 |
pvar->hosts_state.file_data_index); |
| 747 |
|
| 748 |
if (!return_always) { |
| 749 |
// �L�����L�[�������������� |
| 750 |
while_flg = (pvar->hosts_state.hostkey.type == KEY_UNSPEC); |
| 751 |
} |
| 752 |
else { |
| 753 |
while_flg = 0; |
| 754 |
} |
| 755 |
} while (while_flg); |
| 756 |
|
| 757 |
return 1; |
| 758 |
} |
| 759 |
|
| 760 |
static void finish_read_host_files(PTInstVar pvar, int suppress_errors) |
| 761 |
{ |
| 762 |
if (pvar->hosts_state.file_data != NULL) { |
| 763 |
end_read_file(pvar, suppress_errors); |
| 764 |
} |
| 765 |
} |
| 766 |
|
| 767 |
// �T�[�o�����������O���Aknown_hosts�t�@�C�������z�X�g���J�������������������B |
| 768 |
void HOSTS_prefetch_host_key(PTInstVar pvar, char FAR * hostname, unsigned short tcpport) |
| 769 |
{ |
| 770 |
if (!begin_read_host_files(pvar, 1)) { |
| 771 |
return; |
| 772 |
} |
| 773 |
|
| 774 |
if (!read_host_key(pvar, hostname, tcpport, 1, 0)) { |
| 775 |
return; |
| 776 |
} |
| 777 |
|
| 778 |
free(pvar->hosts_state.prefetched_hostname); |
| 779 |
pvar->hosts_state.prefetched_hostname = _strdup(hostname); |
| 780 |
|
| 781 |
finish_read_host_files(pvar, 1); |
| 782 |
} |
| 783 |
|
| 784 |
static BOOL equal_mp_ints(unsigned char FAR * num1, |
| 785 |
unsigned char FAR * num2) |
| 786 |
{ |
| 787 |
if (num1 == NULL || num2 == NULL) { |
| 788 |
return FALSE; |
| 789 |
} else { |
| 790 |
uint32 bytes = (get_ushort16_MSBfirst(num1) + 7) / 8; |
| 791 |
|
| 792 |
if (bytes != (get_ushort16_MSBfirst(num2) + 7) / 8) { |
| 793 |
return FALSE; /* different byte lengths */ |
| 794 |
} else { |
| 795 |
return memcmp(num1 + 2, num2 + 2, bytes) == 0; |
| 796 |
} |
| 797 |
} |
| 798 |
} |
| 799 |
|
| 800 |
// ���J���������������������� |
| 801 |
// -1 ... �����^������ |
| 802 |
// 0 ... ���������� |
| 803 |
// 1 ... ������ |
| 804 |
static int match_key(PTInstVar pvar, Key *key) |
| 805 |
{ |
| 806 |
int bits; |
| 807 |
unsigned char FAR * exp; |
| 808 |
unsigned char FAR * mod; |
| 809 |
const EC_GROUP *group; |
| 810 |
const EC_POINT *pa, *pb; |
| 811 |
|
| 812 |
if (pvar->hosts_state.hostkey.type != key->type) { |
| 813 |
return -1; |
| 814 |
} |
| 815 |
|
| 816 |
switch (key->type) { |
| 817 |
case KEY_RSA1: // SSH1 host public key |
| 818 |
bits = key->bits; |
| 819 |
exp = key->exp; |
| 820 |
mod = key->mod; |
| 821 |
|
| 822 |
/* just check for equal exponent and modulus */ |
| 823 |
return equal_mp_ints(exp, pvar->hosts_state.hostkey.exp) |
| 824 |
&& equal_mp_ints(mod, pvar->hosts_state.hostkey.mod); |
| 825 |
/* |
| 826 |
return equal_mp_ints(exp, pvar->hosts_state.key_exp) |
| 827 |
&& equal_mp_ints(mod, pvar->hosts_state.key_mod); |
| 828 |
*/ |
| 829 |
|
| 830 |
case KEY_RSA: // SSH2 RSA host public key |
| 831 |
return key->rsa != NULL && pvar->hosts_state.hostkey.rsa != NULL && |
| 832 |
BN_cmp(key->rsa->e, pvar->hosts_state.hostkey.rsa->e) == 0 && |
| 833 |
BN_cmp(key->rsa->n, pvar->hosts_state.hostkey.rsa->n) == 0; |
| 834 |
|
| 835 |
case KEY_DSA: // SSH2 DSA host public key |
| 836 |
return key->dsa != NULL && pvar->hosts_state.hostkey.dsa && |
| 837 |
BN_cmp(key->dsa->p, pvar->hosts_state.hostkey.dsa->p) == 0 && |
| 838 |
BN_cmp(key->dsa->q, pvar->hosts_state.hostkey.dsa->q) == 0 && |
| 839 |
BN_cmp(key->dsa->g, pvar->hosts_state.hostkey.dsa->g) == 0 && |
| 840 |
BN_cmp(key->dsa->pub_key, pvar->hosts_state.hostkey.dsa->pub_key) == 0; |
| 841 |
|
| 842 |
case KEY_ECDSA256: |
| 843 |
case KEY_ECDSA384: |
| 844 |
case KEY_ECDSA521: |
| 845 |
if (key->ecdsa == NULL || pvar->hosts_state.hostkey.ecdsa == NULL) { |
| 846 |
return FALSE; |
| 847 |
} |
| 848 |
group = EC_KEY_get0_group(key->ecdsa); |
| 849 |
pa = EC_KEY_get0_public_key(key->ecdsa), |
| 850 |
pb = EC_KEY_get0_public_key(pvar->hosts_state.hostkey.ecdsa); |
| 851 |
return EC_POINT_cmp(group, pa, pb, NULL) == 0; |
| 852 |
|
| 853 |
default: |
| 854 |
return FALSE; |
| 855 |
} |
| 856 |
|
| 857 |
} |
| 858 |
|
| 859 |
static void init_hosts_dlg(PTInstVar pvar, HWND dlg) |
| 860 |
{ |
| 861 |
char buf[1024]; |
| 862 |
char buf2[2048]; |
| 863 |
int i, j; |
| 864 |
int ch; |
| 865 |
char *fp = NULL; |
| 866 |
|
| 867 |
// static text�� # �������z�X�g�����u������ |
| 868 |
GetDlgItemText(dlg, IDC_HOSTWARNING, buf, sizeof(buf)); |
| 869 |
for (i = 0; (ch = buf[i]) != 0 && ch != '#'; i++) { |
| 870 |
buf2[i] = ch; |
| 871 |
} |
| 872 |
strncpy_s(buf2 + i, sizeof(buf2) - i, |
| 873 |
pvar->hosts_state.prefetched_hostname, _TRUNCATE); |
| 874 |
j = i + strlen(buf2 + i); |
| 875 |
for (; buf[i] == '#'; i++) { |
| 876 |
} |
| 877 |
strncpy_s(buf2 + j, sizeof(buf2) - j, buf + i, _TRUNCATE); |
| 878 |
|
| 879 |
SetDlgItemText(dlg, IDC_HOSTWARNING, buf2); |
| 880 |
|
| 881 |
// fingerprint���������� |
| 882 |
fp = key_fingerprint(&pvar->hosts_state.hostkey, SSH_FP_HEX); |
| 883 |
SendMessage(GetDlgItem(dlg, IDC_FINGER_PRINT), WM_SETTEXT, 0, (LPARAM)fp); |
| 884 |
free(fp); |
| 885 |
|
| 886 |
// �r�W���A����fingerprint���\������ |
| 887 |
fp = key_fingerprint(&pvar->hosts_state.hostkey, SSH_FP_RANDOMART); |
| 888 |
SendMessage(GetDlgItem(dlg, IDC_FP_RANDOMART), WM_SETTEXT, 0, (LPARAM)fp); |
| 889 |
SendMessage(GetDlgItem(dlg, IDC_FP_RANDOMART), WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), TRUE); |
| 890 |
free(fp); |
| 891 |
} |
| 892 |
|
| 893 |
static int print_mp_int(char FAR * buf, unsigned char FAR * mp) |
| 894 |
{ |
| 895 |
int i = 0, j, k; |
| 896 |
BIGNUM *num = BN_new(); |
| 897 |
int ch; |
| 898 |
|
| 899 |
BN_bin2bn(mp + 2, (get_ushort16_MSBfirst(mp) + 7) / 8, num); |
| 900 |
|
| 901 |
do { |
| 902 |
buf[i] = (char) ((BN_div_word(num, 10)) + '0'); |
| 903 |
i++; |
| 904 |
} while (!BN_is_zero(num)); |
| 905 |
|
| 906 |
/* we need to reverse the digits */ |
| 907 |
for (j = 0, k = i - 1; j < k; j++, k--) { |
| 908 |
ch = buf[j]; |
| 909 |
buf[j] = buf[k]; |
| 910 |
buf[k] = ch; |
| 911 |
} |
| 912 |
|
| 913 |
buf[i] = 0; |
| 914 |
return i; |
| 915 |
} |
| 916 |
|
| 917 |
// |
| 918 |
// known_hosts �t�@�C�������������G���g�������������B |
| 919 |
// |
| 920 |
static char FAR *format_host_key(PTInstVar pvar) |
| 921 |
{ |
| 922 |
int host_len = strlen(pvar->hosts_state.prefetched_hostname); |
| 923 |
char *result = NULL; |
| 924 |
int index; |
| 925 |
ssh_keytype type = pvar->hosts_state.hostkey.type; |
| 926 |
|
| 927 |
switch (type) { |
| 928 |
case KEY_RSA1: |
| 929 |
{ |
| 930 |
int result_len = host_len + 50 + 8 + |
| 931 |
get_ushort16_MSBfirst(pvar->hosts_state.hostkey.exp) / 3 + |
| 932 |
get_ushort16_MSBfirst(pvar->hosts_state.hostkey.mod) / 3; |
| 933 |
result = (char FAR *) malloc(result_len); |
| 934 |
|
| 935 |
if (pvar->ssh_state.tcpport == 22) { |
| 936 |
strncpy_s(result, result_len, pvar->hosts_state.prefetched_hostname, _TRUNCATE); |
| 937 |
index = host_len; |
| 938 |
} |
| 939 |
else { |
| 940 |
_snprintf_s(result, result_len, _TRUNCATE, "[%s]:%d", |
| 941 |
pvar->hosts_state.prefetched_hostname, |
| 942 |
pvar->ssh_state.tcpport); |
| 943 |
index = strlen(result); |
| 944 |
} |
| 945 |
|
| 946 |
_snprintf_s(result + index, result_len - host_len, _TRUNCATE, |
| 947 |
" %d ", pvar->hosts_state.hostkey.bits); |
| 948 |
index += strlen(result + index); |
| 949 |
index += print_mp_int(result + index, pvar->hosts_state.hostkey.exp); |
| 950 |
result[index] = ' '; |
| 951 |
index++; |
| 952 |
index += print_mp_int(result + index, pvar->hosts_state.hostkey.mod); |
| 953 |
strncpy_s(result + index, result_len - index, " \r\n", _TRUNCATE); |
| 954 |
|
| 955 |
break; |
| 956 |
} |
| 957 |
|
| 958 |
case KEY_RSA: |
| 959 |
case KEY_DSA: |
| 960 |
case KEY_ECDSA256: |
| 961 |
case KEY_ECDSA384: |
| 962 |
case KEY_ECDSA521: |
| 963 |
{ |
| 964 |
Key *key = &pvar->hosts_state.hostkey; |
| 965 |
char *blob = NULL; |
| 966 |
int blen, uulen, msize; |
| 967 |
char *uu = NULL; |
| 968 |
int n; |
| 969 |
|
| 970 |
key_to_blob(key, &blob, &blen); |
| 971 |
uulen = 2 * blen; |
| 972 |
uu = malloc(uulen); |
| 973 |
if (uu == NULL) { |
| 974 |
goto error; |
| 975 |
} |
| 976 |
n = uuencode(blob, blen, uu, uulen); |
| 977 |
if (n > 0) { |
| 978 |
msize = host_len + 50 + uulen; |
| 979 |
result = malloc(msize); |
| 980 |
if (result == NULL) { |
| 981 |
goto error; |
| 982 |
} |
| 983 |
|
| 984 |
// setup |
| 985 |
if (pvar->ssh_state.tcpport == 22) { |
| 986 |
_snprintf_s(result, msize, _TRUNCATE, "%s %s %s\r\n", |
| 987 |
pvar->hosts_state.prefetched_hostname, |
| 988 |
get_sshname_from_key(key), |
| 989 |
uu); |
| 990 |
} else { |
| 991 |
_snprintf_s(result, msize, _TRUNCATE, "[%s]:%d %s %s\r\n", |
| 992 |
pvar->hosts_state.prefetched_hostname, |
| 993 |
pvar->ssh_state.tcpport, |
| 994 |
get_sshname_from_key(key), |
| 995 |
uu); |
| 996 |
} |
| 997 |
} |
| 998 |
error: |
| 999 |
if (blob != NULL) |
| 1000 |
free(blob); |
| 1001 |
if (uu != NULL) |
| 1002 |
free(uu); |
| 1003 |
|
| 1004 |
break; |
| 1005 |
} |
| 1006 |
|
| 1007 |
default: |
| 1008 |
return NULL; |
| 1009 |
|
| 1010 |
} |
| 1011 |
|
| 1012 |
return result; |
| 1013 |
} |
| 1014 |
|
| 1015 |
static void add_host_key(PTInstVar pvar) |
| 1016 |
{ |
| 1017 |
char FAR *name = NULL; |
| 1018 |
|
| 1019 |
if ( pvar->hosts_state.file_names != NULL) |
| 1020 |
name = pvar->hosts_state.file_names[0]; |
| 1021 |
|
| 1022 |
if (name == NULL || name[0] == 0) { |
| 1023 |
UTIL_get_lang_msg("MSG_HOSTS_FILE_UNSPECIFY_ERROR", pvar, |
| 1024 |
"The host and its key cannot be added, because no known-hosts file has been specified.\n" |
| 1025 |
"Restart Tera Term and specify a read/write known-hosts file in the TTSSH Setup dialog box."); |
| 1026 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1027 |
} else { |
| 1028 |
char FAR *keydata = format_host_key(pvar); |
| 1029 |
int length = strlen(keydata); |
| 1030 |
int fd; |
| 1031 |
int amount_written; |
| 1032 |
int close_result; |
| 1033 |
char buf[FILENAME_MAX]; |
| 1034 |
|
| 1035 |
get_teraterm_dir_relative_name(buf, sizeof(buf), name); |
| 1036 |
fd = _open(buf, |
| 1037 |
_O_APPEND | _O_CREAT | _O_WRONLY | _O_SEQUENTIAL | _O_BINARY, |
| 1038 |
_S_IREAD | _S_IWRITE); |
| 1039 |
if (fd == -1) { |
| 1040 |
if (errno == EACCES) { |
| 1041 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_EACCES_ERROR", pvar, |
| 1042 |
"An error occurred while trying to write the host key.\n" |
| 1043 |
"You do not have permission to write to the known-hosts file."); |
| 1044 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1045 |
} else { |
| 1046 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_ERROR", pvar, |
| 1047 |
"An error occurred while trying to write the host key.\n" |
| 1048 |
"The host key could not be written."); |
| 1049 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1050 |
} |
| 1051 |
return; |
| 1052 |
} |
| 1053 |
|
| 1054 |
amount_written = _write(fd, keydata, length); |
| 1055 |
free(keydata); |
| 1056 |
close_result = _close(fd); |
| 1057 |
|
| 1058 |
if (amount_written != length || close_result == -1) { |
| 1059 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_ERROR", pvar, |
| 1060 |
"An error occurred while trying to write the host key.\n" |
| 1061 |
"The host key could not be written."); |
| 1062 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1063 |
} |
| 1064 |
} |
| 1065 |
} |
| 1066 |
|
| 1067 |
static char FAR *copy_mp_int(char FAR * num) |
| 1068 |
{ |
| 1069 |
int len = (get_ushort16_MSBfirst(num) + 7) / 8 + 2; |
| 1070 |
char FAR *result = (char FAR *) malloc(len); |
| 1071 |
|
| 1072 |
if (result != NULL) { |
| 1073 |
memcpy(result, num, len); |
| 1074 |
} |
| 1075 |
|
| 1076 |
return result; |
| 1077 |
} |
| 1078 |
|
| 1079 |
// |
| 1080 |
// �����z�X�g�����e���������L�[���������� |
| 1081 |
// add_host_key ���������������� |
| 1082 |
// |
| 1083 |
static void delete_different_key(PTInstVar pvar) |
| 1084 |
{ |
| 1085 |
char FAR *name = pvar->hosts_state.file_names[0]; |
| 1086 |
|
| 1087 |
if (name == NULL || name[0] == 0) { |
| 1088 |
UTIL_get_lang_msg("MSG_HOSTS_FILE_UNSPECIFY_ERROR", pvar, |
| 1089 |
"The host and its key cannot be added, because no known-hosts file has been specified.\n" |
| 1090 |
"Restart Tera Term and specify a read/write known-hosts file in the TTSSH Setup dialog box."); |
| 1091 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1092 |
} |
| 1093 |
else { |
| 1094 |
Key key; // ���������z�X�g���L�[ |
| 1095 |
int length; |
| 1096 |
char filename[MAX_PATH]; |
| 1097 |
char tmp[L_tmpnam]; |
| 1098 |
int fd; |
| 1099 |
int amount_written = 0; |
| 1100 |
int close_result; |
| 1101 |
int data_index = 0; |
| 1102 |
char buf[FILENAME_MAX]; |
| 1103 |
|
| 1104 |
// �������������t�@�C�����J�� |
| 1105 |
_getcwd(filename, sizeof(filename)); |
| 1106 |
tmpnam_s(tmp,sizeof(tmp)); |
| 1107 |
strcat_s(filename, sizeof(filename), tmp); |
| 1108 |
fd = _open(filename, |
| 1109 |
_O_CREAT | _O_WRONLY | _O_SEQUENTIAL | _O_BINARY | _O_TRUNC, |
| 1110 |
_S_IREAD | _S_IWRITE); |
| 1111 |
|
| 1112 |
if (fd == -1) { |
| 1113 |
if (errno == EACCES) { |
| 1114 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_EACCES_ERROR", pvar, |
| 1115 |
"An error occurred while trying to write the host key.\n" |
| 1116 |
"You do not have permission to write to the known-hosts file."); |
| 1117 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1118 |
} else { |
| 1119 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_ERROR", pvar, |
| 1120 |
"An error occurred while trying to write the host key.\n" |
| 1121 |
"The host key could not be written."); |
| 1122 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1123 |
} |
| 1124 |
return; |
| 1125 |
} |
| 1126 |
|
| 1127 |
// ���������T�[�o���L�[���������� |
| 1128 |
switch (pvar->hosts_state.hostkey.type) { |
| 1129 |
case KEY_RSA1: // SSH1 |
| 1130 |
key.type = KEY_RSA1; |
| 1131 |
key.bits = pvar->hosts_state.hostkey.bits; |
| 1132 |
key.exp = copy_mp_int(pvar->hosts_state.hostkey.exp); |
| 1133 |
key.mod = copy_mp_int(pvar->hosts_state.hostkey.mod); |
| 1134 |
break; |
| 1135 |
case KEY_RSA: // SSH2 RSA |
| 1136 |
key.type = KEY_RSA; |
| 1137 |
key.rsa = duplicate_RSA(pvar->hosts_state.hostkey.rsa); |
| 1138 |
break; |
| 1139 |
case KEY_DSA: // SSH2 DSA |
| 1140 |
key.type = KEY_DSA; |
| 1141 |
key.dsa = duplicate_DSA(pvar->hosts_state.hostkey.dsa); |
| 1142 |
break; |
| 1143 |
case KEY_ECDSA256: |
| 1144 |
case KEY_ECDSA384: |
| 1145 |
case KEY_ECDSA521: |
| 1146 |
key.type = pvar->hosts_state.hostkey.type; |
| 1147 |
key.ecdsa = EC_KEY_dup(pvar->hosts_state.hostkey.ecdsa); |
| 1148 |
break; |
| 1149 |
} |
| 1150 |
|
| 1151 |
// �t�@�C�������������� |
| 1152 |
begin_read_host_files(pvar, 0); |
| 1153 |
do { |
| 1154 |
int host_index = 0; |
| 1155 |
int matched = 0; |
| 1156 |
int keybits = 0; |
| 1157 |
char FAR *data; |
| 1158 |
int do_write = 0; |
| 1159 |
length = amount_written = 0; |
| 1160 |
|
| 1161 |
if (!read_host_key(pvar, pvar->ssh_state.hostname, pvar->ssh_state.tcpport, 0, 1)) { |
| 1162 |
break; |
| 1163 |
} |
| 1164 |
|
| 1165 |
if (data_index == pvar->hosts_state.file_data_index) { |
| 1166 |
// index ���i������ == �������������� |
| 1167 |
break; |
| 1168 |
} |
| 1169 |
|
| 1170 |
data = pvar->hosts_state.file_data + data_index; |
| 1171 |
host_index = eat_spaces(data); |
| 1172 |
|
| 1173 |
if (data[host_index] == '#') { |
| 1174 |
do_write = 1; |
| 1175 |
} |
| 1176 |
else { |
| 1177 |
// �z�X�g������ |
| 1178 |
host_index--; |
| 1179 |
do { |
| 1180 |
int negated; |
| 1181 |
int bracketed; |
| 1182 |
char *end_bracket; |
| 1183 |
int host_matched = 0; |
| 1184 |
unsigned short keyfile_port = 22; |
| 1185 |
|
| 1186 |
host_index++; |
| 1187 |
negated = data[host_index] == '!'; |
| 1188 |
|
| 1189 |
if (negated) { |
| 1190 |
host_index++; |
| 1191 |
bracketed = data[host_index] == '['; |
| 1192 |
if (bracketed) { |
| 1193 |
end_bracket = strstr(data + host_index + 1, "]:"); |
| 1194 |
if (end_bracket != NULL) { |
| 1195 |
*end_bracket = ' '; |
| 1196 |
host_index++; |
| 1197 |
} |
| 1198 |
} |
| 1199 |
host_matched = match_pattern(data + host_index, pvar->ssh_state.hostname); |
| 1200 |
if (bracketed && end_bracket != NULL) { |
| 1201 |
*end_bracket = ']'; |
| 1202 |
keyfile_port = atoi(end_bracket + 2); |
| 1203 |
} |
| 1204 |
if (host_matched && keyfile_port == pvar->ssh_state.tcpport) { |
| 1205 |
matched = 0; |
| 1206 |
// �����o�[�W�����`�F�b�N�������� host_index ���i�������������� |
| 1207 |
host_index--; |
| 1208 |
do { |
| 1209 |
host_index++; |
| 1210 |
host_index += eat_to_end_of_pattern(data + host_index); |
| 1211 |
} while (data[host_index] == ','); |
| 1212 |
break; |
| 1213 |
} |
| 1214 |
} |
| 1215 |
else { |
| 1216 |
bracketed = data[host_index] == '['; |
| 1217 |
if (bracketed) { |
| 1218 |
end_bracket = strstr(data + host_index + 1, "]:"); |
| 1219 |
if (end_bracket != NULL) { |
| 1220 |
*end_bracket = ' '; |
| 1221 |
host_index++; |
| 1222 |
} |
| 1223 |
} |
| 1224 |
host_matched = match_pattern(data + host_index, pvar->ssh_state.hostname); |
| 1225 |
if (bracketed && end_bracket != NULL) { |
| 1226 |
*end_bracket = ']'; |
| 1227 |
keyfile_port = atoi(end_bracket + 2); |
| 1228 |
} |
| 1229 |
if (host_matched && keyfile_port == pvar->ssh_state.tcpport) { |
| 1230 |
matched = 1; |
| 1231 |
} |
| 1232 |
} |
| 1233 |
host_index += eat_to_end_of_pattern(data + host_index); |
| 1234 |
} while (data[host_index] == ','); |
| 1235 |
|
| 1236 |
// �z�X�g������������ |
| 1237 |
if (!matched) { |
| 1238 |
do_write = 1; |
| 1239 |
} |
| 1240 |
// �z�X�g�������� |
| 1241 |
else { |
| 1242 |
// �����`�������� or ���v�����L�[ |
| 1243 |
if (match_key(pvar, &key) != 0) { |
| 1244 |
do_write = 1; |
| 1245 |
} |
| 1246 |
// �����`�������������v�������L�[���X�L�b�v������ |
| 1247 |
} |
| 1248 |
} |
| 1249 |
|
| 1250 |
// ������������ |
| 1251 |
if (do_write) { |
| 1252 |
length = pvar->hosts_state.file_data_index - data_index; |
| 1253 |
amount_written = |
| 1254 |
_write(fd, pvar->hosts_state.file_data + data_index, |
| 1255 |
length); |
| 1256 |
|
| 1257 |
if (amount_written != length) { |
| 1258 |
goto error1; |
| 1259 |
} |
| 1260 |
} |
| 1261 |
data_index = pvar->hosts_state.file_data_index; |
| 1262 |
} while (1); // ������������ |
| 1263 |
|
| 1264 |
error1: |
| 1265 |
close_result = _close(fd); |
| 1266 |
if (amount_written != length || close_result == -1) { |
| 1267 |
UTIL_get_lang_msg("MSG_HOSTS_WRITE_ERROR", pvar, |
| 1268 |
"An error occurred while trying to write the host key.\n" |
| 1269 |
"The host key could not be written."); |
| 1270 |
notify_nonfatal_error(pvar, pvar->ts->UIMsg); |
| 1271 |
goto error2; |
| 1272 |
} |
| 1273 |
|
| 1274 |
// �������������t�@�C���������l�[�� |
| 1275 |
get_teraterm_dir_relative_name(buf, sizeof(buf), name); |
| 1276 |
_unlink(buf); |
| 1277 |
rename(filename, buf); |
| 1278 |
|
| 1279 |
error2: |
| 1280 |
_unlink(filename); |
| 1281 |
|
| 1282 |
finish_read_host_files(pvar, 0); |
| 1283 |
} |
| 1284 |
} |
| 1285 |
|
| 1286 |
// |
| 1287 |
// Unknown host���z�X�g���J���� known_hosts �t�@�C���������������������� |
| 1288 |
// ���[�U���m�F�������B |
| 1289 |
// TODO: finger print���\�����s���B |
| 1290 |
// (2006.3.25 yutaka) |
| 1291 |
// |
| 1292 |
static BOOL CALLBACK hosts_add_dlg_proc(HWND dlg, UINT msg, WPARAM wParam, |
| 1293 |
LPARAM lParam) |
| 1294 |
{ |
| 1295 |
PTInstVar pvar; |
| 1296 |
LOGFONT logfont; |
| 1297 |
HFONT font; |
| 1298 |
char uimsg[MAX_UIMSG]; |
| 1299 |
|
| 1300 |
switch (msg) { |
| 1301 |
case WM_INITDIALOG: |
| 1302 |
pvar = (PTInstVar) lParam; |
| 1303 |
pvar->hosts_state.hosts_dialog = dlg; |
| 1304 |
SetWindowLong(dlg, DWL_USER, lParam); |
| 1305 |
|
| 1306 |
// �����E�u���������� init_hosts_dlg �����������������A�����O���Z�b�g�����K�v������ |
| 1307 |
GetWindowText(dlg, uimsg, sizeof(uimsg)); |
| 1308 |
UTIL_get_lang_msg("DLG_UNKNONWHOST_TITLE", pvar, uimsg); |
| 1309 |
SetWindowText(dlg, pvar->ts->UIMsg); |
| 1310 |
GetDlgItemText(dlg, IDC_HOSTWARNING, uimsg, sizeof(uimsg)); |
| 1311 |
UTIL_get_lang_msg("DLG_UNKNOWNHOST_WARNING", pvar, uimsg); |
| 1312 |
SetDlgItemText(dlg, IDC_HOSTWARNING, pvar->ts->UIMsg); |
| 1313 |
GetDlgItemText(dlg, IDC_HOSTWARNING2, uimsg, sizeof(uimsg)); |
| 1314 |
UTIL_get_lang_msg("DLG_UNKNOWNHOST_WARNING2", pvar, uimsg); |
| 1315 |
SetDlgItemText(dlg, IDC_HOSTWARNING2, pvar->ts->UIMsg); |
| 1316 |
GetDlgItemText(dlg, IDC_HOSTFINGERPRINT, uimsg, sizeof(uimsg)); |
| 1317 |
UTIL_get_lang_msg("DLG_UNKNOWNHOST_FINGERPRINT", pvar, uimsg); |
| 1318 |
SetDlgItemText(dlg, IDC_HOSTFINGERPRINT, pvar->ts->UIMsg); |
| 1319 |
GetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, uimsg, sizeof(uimsg)); |
| 1320 |
UTIL_get_lang_msg("DLG_UNKNOWNHOST_ADD", pvar, uimsg); |
| 1321 |
SetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, pvar->ts->UIMsg); |
| 1322 |
GetDlgItemText(dlg, IDC_CONTINUE, uimsg, sizeof(uimsg)); |
| 1323 |
UTIL_get_lang_msg("BTN_CONTINUE", pvar, uimsg); |
| 1324 |
SetDlgItemText(dlg, IDC_CONTINUE, pvar->ts->UIMsg); |
| 1325 |
GetDlgItemText(dlg, IDCANCEL, uimsg, sizeof(uimsg)); |
| 1326 |
UTIL_get_lang_msg("BTN_DISCONNECT", pvar, uimsg); |
| 1327 |
SetDlgItemText(dlg, IDCANCEL, pvar->ts->UIMsg); |
| 1328 |
|
| 1329 |
switch (pvar->dns_key_check) { |
| 1330 |
case DNS_VERIFY_NOTFOUND: |
| 1331 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_NOTFOUND", pvar, "SSHFP RR not found."); |
| 1332 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1333 |
break; |
| 1334 |
case DNS_VERIFY_MATCH: |
| 1335 |
case DNS_VERIFY_AUTH_MATCH: |
| 1336 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MATCH", pvar, "SSHFP RR found and match."); |
| 1337 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1338 |
break; |
| 1339 |
case DNS_VERIFY_MISMATCH: |
| 1340 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1341 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MISMATCH", pvar, "SSHFP RR found but not match."); |
| 1342 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1343 |
break; |
| 1344 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1345 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1346 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_DIFFTYPE", pvar, "SSHFP RR found but different type."); |
| 1347 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1348 |
break; |
| 1349 |
} |
| 1350 |
|
| 1351 |
switch (pvar->dns_key_check) { |
| 1352 |
case DNS_VERIFY_MATCH: |
| 1353 |
case DNS_VERIFY_MISMATCH: |
| 1354 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1355 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_NG", pvar, "SSHFP RR is *not* authenticated by DNSSEC."); |
| 1356 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1357 |
break; |
| 1358 |
case DNS_VERIFY_AUTH_MATCH: |
| 1359 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1360 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1361 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_OK", pvar, "SSHFP RR is authenticated by DNSSEC."); |
| 1362 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1363 |
break; |
| 1364 |
} |
| 1365 |
|
| 1366 |
init_hosts_dlg(pvar, dlg); |
| 1367 |
|
| 1368 |
font = (HFONT)SendMessage(dlg, WM_GETFONT, 0, 0); |
| 1369 |
GetObject(font, sizeof(LOGFONT), &logfont); |
| 1370 |
if (UTIL_get_lang_font("DLG_TAHOMA_FONT", dlg, &logfont, &DlgHostsAddFont, pvar)) { |
| 1371 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1372 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING2, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1373 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPCHECK, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1374 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPDNSSEC, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1375 |
SendDlgItemMessage(dlg, IDC_HOSTFINGERPRINT, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1376 |
SendDlgItemMessage(dlg, IDC_FINGER_PRINT, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1377 |
SendDlgItemMessage(dlg, IDC_ADDTOKNOWNHOSTS, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1378 |
SendDlgItemMessage(dlg, IDC_CONTINUE, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1379 |
SendDlgItemMessage(dlg, IDCANCEL, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1380 |
} |
| 1381 |
else { |
| 1382 |
DlgHostsAddFont = NULL; |
| 1383 |
} |
| 1384 |
|
| 1385 |
// add host check box���`�F�b�N���f�t�H���g������������ |
| 1386 |
SendMessage(GetDlgItem(dlg, IDC_ADDTOKNOWNHOSTS), BM_SETCHECK, BST_CHECKED, 0); |
| 1387 |
|
| 1388 |
return TRUE; /* because we do not set the focus */ |
| 1389 |
|
| 1390 |
case WM_COMMAND: |
| 1391 |
pvar = (PTInstVar) GetWindowLong(dlg, DWL_USER); |
| 1392 |
|
| 1393 |
switch (LOWORD(wParam)) { |
| 1394 |
case IDC_CONTINUE: |
| 1395 |
if (IsDlgButtonChecked(dlg, IDC_ADDTOKNOWNHOSTS)) { |
| 1396 |
add_host_key(pvar); |
| 1397 |
} |
| 1398 |
|
| 1399 |
if (SSHv1(pvar)) { |
| 1400 |
SSH_notify_host_OK(pvar); |
| 1401 |
} else { // SSH2 |
| 1402 |
// SSH2���������� SSH_notify_host_OK() �������B |
| 1403 |
} |
| 1404 |
|
| 1405 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1406 |
|
| 1407 |
EndDialog(dlg, 1); |
| 1408 |
|
| 1409 |
if (DlgHostsAddFont != NULL) { |
| 1410 |
DeleteObject(DlgHostsAddFont); |
| 1411 |
} |
| 1412 |
|
| 1413 |
return TRUE; |
| 1414 |
|
| 1415 |
case IDCANCEL: /* kill the connection */ |
| 1416 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1417 |
notify_closed_connection(pvar); |
| 1418 |
EndDialog(dlg, 0); |
| 1419 |
|
| 1420 |
if (DlgHostsAddFont != NULL) { |
| 1421 |
DeleteObject(DlgHostsAddFont); |
| 1422 |
} |
| 1423 |
|
| 1424 |
return TRUE; |
| 1425 |
|
| 1426 |
default: |
| 1427 |
return FALSE; |
| 1428 |
} |
| 1429 |
|
| 1430 |
default: |
| 1431 |
return FALSE; |
| 1432 |
} |
| 1433 |
} |
| 1434 |
|
| 1435 |
// |
| 1436 |
// �u�����������m�F�_�C�A���O������ |
| 1437 |
// |
| 1438 |
static BOOL CALLBACK hosts_replace_dlg_proc(HWND dlg, UINT msg, WPARAM wParam, |
| 1439 |
LPARAM lParam) |
| 1440 |
{ |
| 1441 |
PTInstVar pvar; |
| 1442 |
LOGFONT logfont; |
| 1443 |
HFONT font; |
| 1444 |
char uimsg[MAX_UIMSG]; |
| 1445 |
|
| 1446 |
switch (msg) { |
| 1447 |
case WM_INITDIALOG: |
| 1448 |
pvar = (PTInstVar) lParam; |
| 1449 |
pvar->hosts_state.hosts_dialog = dlg; |
| 1450 |
SetWindowLong(dlg, DWL_USER, lParam); |
| 1451 |
|
| 1452 |
// �����E�u���������� init_hosts_dlg �����������������A�����O���Z�b�g�����K�v������ |
| 1453 |
GetWindowText(dlg, uimsg, sizeof(uimsg)); |
| 1454 |
UTIL_get_lang_msg("DLG_DIFFERENTKEY_TITLE", pvar, uimsg); |
| 1455 |
SetWindowText(dlg, pvar->ts->UIMsg); |
| 1456 |
GetDlgItemText(dlg, IDC_HOSTWARNING, uimsg, sizeof(uimsg)); |
| 1457 |
UTIL_get_lang_msg("DLG_DIFFERENTKEY_WARNING", pvar, uimsg); |
| 1458 |
SetDlgItemText(dlg, IDC_HOSTWARNING, pvar->ts->UIMsg); |
| 1459 |
GetDlgItemText(dlg, IDC_HOSTWARNING2, uimsg, sizeof(uimsg)); |
| 1460 |
UTIL_get_lang_msg("DLG_DIFFERENTKEY_WARNING2", pvar, uimsg); |
| 1461 |
SetDlgItemText(dlg, IDC_HOSTWARNING2, pvar->ts->UIMsg); |
| 1462 |
GetDlgItemText(dlg, IDC_HOSTFINGERPRINT, uimsg, sizeof(uimsg)); |
| 1463 |
UTIL_get_lang_msg("DLG_DIFFERENTKEY_FINGERPRINT", pvar, uimsg); |
| 1464 |
SetDlgItemText(dlg, IDC_HOSTFINGERPRINT, pvar->ts->UIMsg); |
| 1465 |
GetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, uimsg, sizeof(uimsg)); |
| 1466 |
UTIL_get_lang_msg("DLG_DIFFERENTKEY_REPLACE", pvar, uimsg); |
| 1467 |
SetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, pvar->ts->UIMsg); |
| 1468 |
GetDlgItemText(dlg, IDC_CONTINUE, uimsg, sizeof(uimsg)); |
| 1469 |
UTIL_get_lang_msg("BTN_CONTINUE", pvar, uimsg); |
| 1470 |
SetDlgItemText(dlg, IDC_CONTINUE, pvar->ts->UIMsg); |
| 1471 |
GetDlgItemText(dlg, IDCANCEL, uimsg, sizeof(uimsg)); |
| 1472 |
UTIL_get_lang_msg("BTN_DISCONNECT", pvar, uimsg); |
| 1473 |
SetDlgItemText(dlg, IDCANCEL, pvar->ts->UIMsg); |
| 1474 |
|
| 1475 |
switch (pvar->dns_key_check) { |
| 1476 |
case DNS_VERIFY_NOTFOUND: |
| 1477 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_NOTFOUND", pvar, "SSHFP RR not found."); |
| 1478 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1479 |
break; |
| 1480 |
case DNS_VERIFY_MATCH: |
| 1481 |
case DNS_VERIFY_AUTH_MATCH: |
| 1482 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MATCH", pvar, "SSHFP RR found and match."); |
| 1483 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1484 |
break; |
| 1485 |
case DNS_VERIFY_MISMATCH: |
| 1486 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1487 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MISMATCH", pvar, "SSHFP RR found but not match."); |
| 1488 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1489 |
break; |
| 1490 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1491 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1492 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_DIFFTYPE", pvar, "SSHFP RR found but different type."); |
| 1493 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1494 |
break; |
| 1495 |
} |
| 1496 |
|
| 1497 |
switch (pvar->dns_key_check) { |
| 1498 |
case DNS_VERIFY_MATCH: |
| 1499 |
case DNS_VERIFY_MISMATCH: |
| 1500 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1501 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_NG", pvar, "SSHFP RR is *not* authenticated by DNSSEC."); |
| 1502 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1503 |
break; |
| 1504 |
case DNS_VERIFY_AUTH_MATCH: |
| 1505 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1506 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1507 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_OK", pvar, "SSHFP RR is authenticated by DNSSEC."); |
| 1508 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1509 |
break; |
| 1510 |
} |
| 1511 |
|
| 1512 |
init_hosts_dlg(pvar, dlg); |
| 1513 |
|
| 1514 |
font = (HFONT)SendMessage(dlg, WM_GETFONT, 0, 0); |
| 1515 |
GetObject(font, sizeof(LOGFONT), &logfont); |
| 1516 |
if (UTIL_get_lang_font("DLG_TAHOMA_FONT", dlg, &logfont, &DlgHostsReplaceFont, pvar)) { |
| 1517 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1518 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING2, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1519 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPCHECK, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1520 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPDNSSEC, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1521 |
SendDlgItemMessage(dlg, IDC_HOSTFINGERPRINT, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1522 |
SendDlgItemMessage(dlg, IDC_ADDTOKNOWNHOSTS, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1523 |
SendDlgItemMessage(dlg, IDC_CONTINUE, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1524 |
SendDlgItemMessage(dlg, IDCANCEL, WM_SETFONT, (WPARAM)DlgHostsReplaceFont, MAKELPARAM(TRUE,0)); |
| 1525 |
} |
| 1526 |
else { |
| 1527 |
DlgHostsReplaceFont = NULL; |
| 1528 |
} |
| 1529 |
|
| 1530 |
// �f�t�H���g���`�F�b�N���������� |
| 1531 |
return TRUE; /* because we do not set the focus */ |
| 1532 |
|
| 1533 |
case WM_COMMAND: |
| 1534 |
pvar = (PTInstVar) GetWindowLong(dlg, DWL_USER); |
| 1535 |
|
| 1536 |
switch (LOWORD(wParam)) { |
| 1537 |
case IDC_CONTINUE: |
| 1538 |
if (IsDlgButtonChecked(dlg, IDC_ADDTOKNOWNHOSTS)) { |
| 1539 |
add_host_key(pvar); |
| 1540 |
delete_different_key(pvar); |
| 1541 |
} |
| 1542 |
|
| 1543 |
if (SSHv1(pvar)) { |
| 1544 |
SSH_notify_host_OK(pvar); |
| 1545 |
} else { // SSH2 |
| 1546 |
// SSH2���������� SSH_notify_host_OK() �������B |
| 1547 |
} |
| 1548 |
|
| 1549 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1550 |
|
| 1551 |
EndDialog(dlg, 1); |
| 1552 |
|
| 1553 |
if (DlgHostsReplaceFont != NULL) { |
| 1554 |
DeleteObject(DlgHostsReplaceFont); |
| 1555 |
} |
| 1556 |
|
| 1557 |
return TRUE; |
| 1558 |
|
| 1559 |
case IDCANCEL: /* kill the connection */ |
| 1560 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1561 |
notify_closed_connection(pvar); |
| 1562 |
EndDialog(dlg, 0); |
| 1563 |
|
| 1564 |
if (DlgHostsReplaceFont != NULL) { |
| 1565 |
DeleteObject(DlgHostsReplaceFont); |
| 1566 |
} |
| 1567 |
|
| 1568 |
return TRUE; |
| 1569 |
|
| 1570 |
default: |
| 1571 |
return FALSE; |
| 1572 |
} |
| 1573 |
|
| 1574 |
default: |
| 1575 |
return FALSE; |
| 1576 |
} |
| 1577 |
} |
| 1578 |
|
| 1579 |
// |
| 1580 |
// �����z�X�g�����`�����������������m�F�_�C�A���O������ |
| 1581 |
// |
| 1582 |
static BOOL CALLBACK hosts_add2_dlg_proc(HWND dlg, UINT msg, WPARAM wParam, |
| 1583 |
LPARAM lParam) |
| 1584 |
{ |
| 1585 |
PTInstVar pvar; |
| 1586 |
LOGFONT logfont; |
| 1587 |
HFONT font; |
| 1588 |
char uimsg[MAX_UIMSG]; |
| 1589 |
|
| 1590 |
switch (msg) { |
| 1591 |
case WM_INITDIALOG: |
| 1592 |
pvar = (PTInstVar) lParam; |
| 1593 |
pvar->hosts_state.hosts_dialog = dlg; |
| 1594 |
SetWindowLong(dlg, DWL_USER, lParam); |
| 1595 |
|
| 1596 |
// �����E�u���������� init_hosts_dlg �����������������A�����O���Z�b�g�����K�v������ |
| 1597 |
GetWindowText(dlg, uimsg, sizeof(uimsg)); |
| 1598 |
UTIL_get_lang_msg("DLG_DIFFERENTTYPEKEY_TITLE", pvar, uimsg); |
| 1599 |
SetWindowText(dlg, pvar->ts->UIMsg); |
| 1600 |
GetDlgItemText(dlg, IDC_HOSTWARNING, uimsg, sizeof(uimsg)); |
| 1601 |
UTIL_get_lang_msg("DLG_DIFFERENTTYPEKEY_WARNING", pvar, uimsg); |
| 1602 |
SetDlgItemText(dlg, IDC_HOSTWARNING, pvar->ts->UIMsg); |
| 1603 |
GetDlgItemText(dlg, IDC_HOSTWARNING2, uimsg, sizeof(uimsg)); |
| 1604 |
UTIL_get_lang_msg("DLG_DIFFERENTTYPEKEY_WARNING2", pvar, uimsg); |
| 1605 |
SetDlgItemText(dlg, IDC_HOSTWARNING2, pvar->ts->UIMsg); |
| 1606 |
GetDlgItemText(dlg, IDC_HOSTFINGERPRINT, uimsg, sizeof(uimsg)); |
| 1607 |
UTIL_get_lang_msg("DLG_DIFFERENTTYPEKEY_FINGERPRINT", pvar, uimsg); |
| 1608 |
SetDlgItemText(dlg, IDC_HOSTFINGERPRINT, pvar->ts->UIMsg); |
| 1609 |
GetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, uimsg, sizeof(uimsg)); |
| 1610 |
UTIL_get_lang_msg("DLG_DIFFERENTTYPEKEY_ADD", pvar, uimsg); |
| 1611 |
SetDlgItemText(dlg, IDC_ADDTOKNOWNHOSTS, pvar->ts->UIMsg); |
| 1612 |
GetDlgItemText(dlg, IDC_CONTINUE, uimsg, sizeof(uimsg)); |
| 1613 |
UTIL_get_lang_msg("BTN_CONTINUE", pvar, uimsg); |
| 1614 |
SetDlgItemText(dlg, IDC_CONTINUE, pvar->ts->UIMsg); |
| 1615 |
GetDlgItemText(dlg, IDCANCEL, uimsg, sizeof(uimsg)); |
| 1616 |
UTIL_get_lang_msg("BTN_DISCONNECT", pvar, uimsg); |
| 1617 |
SetDlgItemText(dlg, IDCANCEL, pvar->ts->UIMsg); |
| 1618 |
|
| 1619 |
switch (pvar->dns_key_check) { |
| 1620 |
case DNS_VERIFY_NOTFOUND: |
| 1621 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_NOTFOUND", pvar, "SSHFP RR not found."); |
| 1622 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1623 |
break; |
| 1624 |
case DNS_VERIFY_MATCH: |
| 1625 |
case DNS_VERIFY_AUTH_MATCH: |
| 1626 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MATCH", pvar, "SSHFP RR found and match."); |
| 1627 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1628 |
break; |
| 1629 |
case DNS_VERIFY_MISMATCH: |
| 1630 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1631 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_MISMATCH", pvar, "SSHFP RR found but not match."); |
| 1632 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1633 |
break; |
| 1634 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1635 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1636 |
UTIL_get_lang_msg("DLG_HOSTKEY_SSHFP_DIFFTYPE", pvar, "SSHFP RR found but different type."); |
| 1637 |
SetDlgItemText(dlg, IDC_HOSTSSHFPCHECK, pvar->ts->UIMsg); |
| 1638 |
break; |
| 1639 |
} |
| 1640 |
|
| 1641 |
switch (pvar->dns_key_check) { |
| 1642 |
case DNS_VERIFY_MATCH: |
| 1643 |
case DNS_VERIFY_MISMATCH: |
| 1644 |
case DNS_VERIFY_DIFFERENTTYPE: |
| 1645 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_NG", pvar, "SSHFP RR is *not* authenticated by DNSSEC."); |
| 1646 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1647 |
break; |
| 1648 |
case DNS_VERIFY_AUTH_MATCH: |
| 1649 |
case DNS_VERIFY_AUTH_MISMATCH: |
| 1650 |
case DNS_VERIFY_AUTH_DIFFERENTTYPE: |
| 1651 |
UTIL_get_lang_msg("DLG_HOSTKEY_DNSSEC_OK", pvar, "SSHFP RR is authenticated by DNSSEC."); |
| 1652 |
SetDlgItemText(dlg, IDC_HOSTSSHFPDNSSEC, pvar->ts->UIMsg); |
| 1653 |
break; |
| 1654 |
} |
| 1655 |
|
| 1656 |
init_hosts_dlg(pvar, dlg); |
| 1657 |
|
| 1658 |
font = (HFONT)SendMessage(dlg, WM_GETFONT, 0, 0); |
| 1659 |
GetObject(font, sizeof(LOGFONT), &logfont); |
| 1660 |
if (UTIL_get_lang_font("DLG_TAHOMA_FONT", dlg, &logfont, &DlgHostsAddFont, pvar)) { |
| 1661 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1662 |
SendDlgItemMessage(dlg, IDC_HOSTWARNING2, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1663 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPCHECK, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1664 |
SendDlgItemMessage(dlg, IDC_HOSTSSHFPDNSSEC, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1665 |
SendDlgItemMessage(dlg, IDC_HOSTFINGERPRINT, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1666 |
SendDlgItemMessage(dlg, IDC_FINGER_PRINT, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1667 |
SendDlgItemMessage(dlg, IDC_ADDTOKNOWNHOSTS, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1668 |
SendDlgItemMessage(dlg, IDC_CONTINUE, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1669 |
SendDlgItemMessage(dlg, IDCANCEL, WM_SETFONT, (WPARAM)DlgHostsAddFont, MAKELPARAM(TRUE,0)); |
| 1670 |
} |
| 1671 |
else { |
| 1672 |
DlgHostsAddFont = NULL; |
| 1673 |
} |
| 1674 |
|
| 1675 |
// add host check box ���f�t�H���g�� off ������ |
| 1676 |
// SendMessage(GetDlgItem(dlg, IDC_ADDTOKNOWNHOSTS), BM_SETCHECK, BST_CHECKED, 0); |
| 1677 |
|
| 1678 |
return TRUE; /* because we do not set the focus */ |
| 1679 |
|
| 1680 |
case WM_COMMAND: |
| 1681 |
pvar = (PTInstVar) GetWindowLong(dlg, DWL_USER); |
| 1682 |
|
| 1683 |
switch (LOWORD(wParam)) { |
| 1684 |
case IDC_CONTINUE: |
| 1685 |
if (IsDlgButtonChecked(dlg, IDC_ADDTOKNOWNHOSTS)) { |
| 1686 |
add_host_key(pvar); |
| 1687 |
} |
| 1688 |
|
| 1689 |
if (SSHv1(pvar)) { |
| 1690 |
SSH_notify_host_OK(pvar); |
| 1691 |
} else { // SSH2 |
| 1692 |
// SSH2���������� SSH_notify_host_OK() �������B |
| 1693 |
} |
| 1694 |
|
| 1695 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1696 |
|
| 1697 |
EndDialog(dlg, 1); |
| 1698 |
|
| 1699 |
if (DlgHostsAddFont != NULL) { |
| 1700 |
DeleteObject(DlgHostsAddFont); |
| 1701 |
} |
| 1702 |
|
| 1703 |
return TRUE; |
| 1704 |
|
| 1705 |
case IDCANCEL: /* kill the connection */ |
| 1706 |
pvar->hosts_state.hosts_dialog = NULL; |
| 1707 |
notify_closed_connection(pvar); |
| 1708 |
EndDialog(dlg, 0); |
| 1709 |
|
| 1710 |
if (DlgHostsAddFont != NULL) { |
| 1711 |
DeleteObject(DlgHostsAddFont); |
| 1712 |
} |
| 1713 |
|
| 1714 |
return TRUE; |
| 1715 |
|
| 1716 |
default: |
| 1717 |
return FALSE; |
| 1718 |
} |
| 1719 |
|
| 1720 |
default: |
| 1721 |
return FALSE; |
| 1722 |
} |
| 1723 |
} |
| 1724 |
|
| 1725 |
void HOSTS_do_unknown_host_dialog(HWND wnd, PTInstVar pvar) |
| 1726 |
{ |
| 1727 |
if (pvar->hosts_state.hosts_dialog == NULL) { |
| 1728 |
HWND cur_active = GetActiveWindow(); |
| 1729 |
|
| 1730 |
DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_SSHUNKNOWNHOST), |
| 1731 |
cur_active != NULL ? cur_active : wnd, |
| 1732 |
hosts_add_dlg_proc, (LPARAM) pvar); |
| 1733 |
} |
| 1734 |
} |
| 1735 |
|
| 1736 |
void HOSTS_do_different_key_dialog(HWND wnd, PTInstVar pvar) |
| 1737 |
{ |
| 1738 |
if (pvar->hosts_state.hosts_dialog == NULL) { |
| 1739 |
HWND cur_active = GetActiveWindow(); |
| 1740 |
|
| 1741 |
DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_SSHDIFFERENTKEY), |
| 1742 |
cur_active != NULL ? cur_active : wnd, |
| 1743 |
hosts_replace_dlg_proc, (LPARAM) pvar); |
| 1744 |
} |
| 1745 |
} |
| 1746 |
|
| 1747 |
void HOSTS_do_different_type_key_dialog(HWND wnd, PTInstVar pvar) |
| 1748 |
{ |
| 1749 |
if (pvar->hosts_state.hosts_dialog == NULL) { |
| 1750 |
HWND cur_active = GetActiveWindow(); |
| 1751 |
|
| 1752 |
DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_SSHDIFFERENTTYPEKEY), |
| 1753 |
cur_active != NULL ? cur_active : wnd, |
| 1754 |
hosts_add2_dlg_proc, (LPARAM) pvar); |
| 1755 |
} |
| 1756 |
} |
| 1757 |
|
| 1758 |
int is_numeric_hostname(const char *hostname) |
| 1759 |
{ |
| 1760 |
struct addrinfo hints, *ai; |
| 1761 |
|
| 1762 |
if (hostname == NULL) { |
| 1763 |
return -1; |
| 1764 |
} |
| 1765 |
|
| 1766 |
memset(&hints, 0, sizeof(hints)); |
| 1767 |
hints.ai_socktype = SOCK_DGRAM; |
| 1768 |
hints.ai_flags = AI_NUMERICHOST; |
| 1769 |
|
| 1770 |
if (getaddrinfo(hostname, NULL, &hints, &ai) == 0) { |
| 1771 |
freeaddrinfo(ai); |
| 1772 |
return 1; |
| 1773 |
} |
| 1774 |
|
| 1775 |
return 0; |
| 1776 |
} |
| 1777 |
|
| 1778 |
int verify_hostkey_dns(char FAR *hostname, Key *key) |
| 1779 |
{ |
| 1780 |
DNS_STATUS status; |
| 1781 |
PDNS_RECORD rec, p; |
| 1782 |
PDNS_SSHFP_DATA t; |
| 1783 |
int hostkey_alg, hostkey_dtype, hostkey_dlen; |
| 1784 |
BYTE *hostkey_digest; |
| 1785 |
int found = DNS_VERIFY_NOTFOUND; |
| 1786 |
|
| 1787 |
switch (key->type) { |
| 1788 |
case KEY_RSA: |
| 1789 |
hostkey_alg = SSHFP_KEY_RSA; |
| 1790 |
hostkey_dtype = SSHFP_HASH_SHA1; |
| 1791 |
break; |
| 1792 |
case KEY_DSA: |
| 1793 |
hostkey_alg = SSHFP_KEY_DSA; |
| 1794 |
hostkey_dtype = SSHFP_HASH_SHA1; |
| 1795 |
break; |
| 1796 |
case KEY_ECDSA256: |
| 1797 |
case KEY_ECDSA384: |
| 1798 |
case KEY_ECDSA521: |
| 1799 |
hostkey_alg = SSHFP_KEY_ECDSA; |
| 1800 |
hostkey_dtype = SSHFP_HASH_SHA256; |
| 1801 |
break; |
| 1802 |
default: // Un-supported algorithm |
| 1803 |
hostkey_alg = SSHFP_KEY_RESERVED; |
| 1804 |
hostkey_dtype = SSHFP_HASH_RESERVED; |
| 1805 |
} |
| 1806 |
|
| 1807 |
if (hostkey_alg) { |
| 1808 |
hostkey_digest = key_fingerprint_raw(key, hostkey_dtype, &hostkey_dlen); |
| 1809 |
} |
| 1810 |
else { |
| 1811 |
hostkey_digest = NULL; |
| 1812 |
} |
| 1813 |
|
| 1814 |
status = DnsQuery(hostname, DNS_TYPE_SSHFP, DNS_QUERY_STANDARD, NULL, &rec, NULL); |
| 1815 |
|
| 1816 |
if (status == 0) { |
| 1817 |
for (p=rec; p!=NULL; p=p->pNext) { |
| 1818 |
if (p->wType == DNS_TYPE_SSHFP) { |
| 1819 |
t = (PDNS_SSHFP_DATA)&(p->Data.Null); |
| 1820 |
if (t->Algorithm == hostkey_alg && t->DigestType == hostkey_dtype) { |
| 1821 |
if (hostkey_dlen == p->wDataLength-2 && memcmp(hostkey_digest, t->Digest, hostkey_dlen) == 0) { |
| 1822 |
found = DNS_VERIFY_MATCH; |
| 1823 |
break; |
| 1824 |
} |
| 1825 |
else { |
| 1826 |
found = DNS_VERIFY_MISMATCH; |
| 1827 |
break; |
| 1828 |
} |
| 1829 |
} |
| 1830 |
else { |
| 1831 |
found = DNS_VERIFY_DIFFERENTTYPE; |
| 1832 |
} |
| 1833 |
} |
| 1834 |
} |
| 1835 |
} |
| 1836 |
|
| 1837 |
free(hostkey_digest); |
| 1838 |
DnsRecordListFree(rec, DnsFreeRecordList); |
| 1839 |
return found; |
| 1840 |
} |
| 1841 |
|
| 1842 |
// |
| 1843 |
// �T�[�o�����������������z�X�g���J�������������`�F�b�N���� |
| 1844 |
// |
| 1845 |
// SSH2���������� (2006.3.24 yutaka) |
| 1846 |
// |
| 1847 |
BOOL HOSTS_check_host_key(PTInstVar pvar, char FAR * hostname, unsigned short tcpport, Key *key) |
| 1848 |
{ |
| 1849 |
int found_different_key = 0, found_different_type_key = 0; |
| 1850 |
|
| 1851 |
pvar->dns_key_check = DNS_VERIFY_NONE; |
| 1852 |
|
| 1853 |
// ������ known_hosts �t�@�C�������z�X�g���J�����������������������A���������r�����B |
| 1854 |
if (pvar->hosts_state.prefetched_hostname != NULL |
| 1855 |
&& _stricmp(pvar->hosts_state.prefetched_hostname, hostname) == 0 |
| 1856 |
&& match_key(pvar, key) == 1) { |
| 1857 |
|
| 1858 |
if (SSHv1(pvar)) { |
| 1859 |
SSH_notify_host_OK(pvar); |
| 1860 |
} else { |
| 1861 |
// SSH2���������� SSH_notify_host_OK() �������B |
| 1862 |
} |
| 1863 |
return TRUE; |
| 1864 |
} |
| 1865 |
|
| 1866 |
// �������������������������A�������_���t�@�C�������������� |
| 1867 |
if (begin_read_host_files(pvar, 0)) { |
| 1868 |
do { |
| 1869 |
if (!read_host_key(pvar, hostname, tcpport, 0, 0)) { |
| 1870 |
break; |
| 1871 |
} |
| 1872 |
|
| 1873 |
if (pvar->hosts_state.hostkey.type != KEY_UNSPEC) { |
| 1874 |
int match = match_key(pvar, key); |
| 1875 |
if (match == 1) { |
| 1876 |
finish_read_host_files(pvar, 0); |
| 1877 |
// ���������G���g�����Q�������A���v�����L�[�������������������B |
| 1878 |
// SSH2���������������������������B(2006.3.29 yutaka) |
| 1879 |
if (SSHv1(pvar)) { |
| 1880 |
SSH_notify_host_OK(pvar); |
| 1881 |
} else { |
| 1882 |
// SSH2���������� SSH_notify_host_OK() �������B |
| 1883 |
} |
| 1884 |
return TRUE; |
| 1885 |
} |
| 1886 |
else if (match == 0) { |
| 1887 |
// �L�[�� known_hosts ���������������A�L�[�����e���������B |
| 1888 |
found_different_key = 1; |
| 1889 |
} |
| 1890 |
else { |
| 1891 |
// �L�[���`������������ |
| 1892 |
found_different_type_key = 1; |
| 1893 |
} |
| 1894 |
} |
| 1895 |
} while (pvar->hosts_state.hostkey.type != KEY_UNSPEC); // �L�[�����������������������[�v���� |
| 1896 |
|
| 1897 |
finish_read_host_files(pvar, 0); |
| 1898 |
} |
| 1899 |
|
| 1900 |
// known_hosts �������������L�[���������t�@�C�������������������A�������������������B |
| 1901 |
pvar->hosts_state.hostkey.type = key->type; |
| 1902 |
switch (key->type) { |
| 1903 |
case KEY_RSA1: // SSH1 |
| 1904 |
pvar->hosts_state.hostkey.bits = key->bits; |
| 1905 |
pvar->hosts_state.hostkey.exp = copy_mp_int(key->exp); |
| 1906 |
pvar->hosts_state.hostkey.mod = copy_mp_int(key->mod); |
| 1907 |
break; |
| 1908 |
case KEY_RSA: // SSH2 RSA |
| 1909 |
pvar->hosts_state.hostkey.rsa = duplicate_RSA(key->rsa); |
| 1910 |
break; |
| 1911 |
case KEY_DSA: // SSH2 DSA |
| 1912 |
pvar->hosts_state.hostkey.dsa = duplicate_DSA(key->dsa); |
| 1913 |
break; |
| 1914 |
case KEY_ECDSA256: // SSH2 ECDSA |
| 1915 |
case KEY_ECDSA384: |
| 1916 |
case KEY_ECDSA521: |
| 1917 |
pvar->hosts_state.hostkey.ecdsa = EC_KEY_dup(key->ecdsa); |
| 1918 |
break; |
| 1919 |
} |
| 1920 |
free(pvar->hosts_state.prefetched_hostname); |
| 1921 |
pvar->hosts_state.prefetched_hostname = _strdup(hostname); |
| 1922 |
|
| 1923 |
// "/nosecuritywarning"���w�����������������A�_�C�A���O���\���������� return success �����B |
| 1924 |
if (pvar->nocheck_known_hosts == TRUE) { |
| 1925 |
return TRUE; |
| 1926 |
} |
| 1927 |
|
| 1928 |
if (pvar->settings.VerifyHostKeyDNS && !is_numeric_hostname(hostname)) { |
| 1929 |
pvar->dns_key_check = verify_hostkey_dns(hostname, key); |
| 1930 |
} |
| 1931 |
|
| 1932 |
// known_hosts�_�C�A���O�������I���\�������A�������_�����������[�U���m�F |
| 1933 |
// �������K�v�����������A�����R�[�������X�����B |
| 1934 |
// ����������known_hosts���m�F�����������A�T�[�o�����[�U���������������������������������B |
| 1935 |
// (2007.10.1 yutaka) |
| 1936 |
if (found_different_key) { |
| 1937 |
HOSTS_do_different_key_dialog(pvar->NotificationWindow, pvar); |
| 1938 |
} |
| 1939 |
else if (found_different_type_key) { |
| 1940 |
HOSTS_do_different_type_key_dialog(pvar->NotificationWindow, pvar); |
| 1941 |
} |
| 1942 |
else { |
| 1943 |
HOSTS_do_unknown_host_dialog(pvar->NotificationWindow, pvar); |
| 1944 |
} |
| 1945 |
|
| 1946 |
return TRUE; |
| 1947 |
} |
| 1948 |
|
| 1949 |
void HOSTS_notify_disconnecting(PTInstVar pvar) |
| 1950 |
{ |
| 1951 |
if (pvar->hosts_state.hosts_dialog != NULL) { |
| 1952 |
PostMessage(pvar->hosts_state.hosts_dialog, WM_COMMAND, IDCANCEL, 0); |
| 1953 |
/* the main window might not go away if it's not enabled. (see vtwin.cpp) */ |
| 1954 |
EnableWindow(pvar->NotificationWindow, TRUE); |
| 1955 |
} |
| 1956 |
} |
| 1957 |
|
| 1958 |
void HOSTS_end(PTInstVar pvar) |
| 1959 |
{ |
| 1960 |
int i; |
| 1961 |
|
| 1962 |
free(pvar->hosts_state.prefetched_hostname); |
| 1963 |
init_hostkey(&pvar->hosts_state.hostkey); |
| 1964 |
|
| 1965 |
if (pvar->hosts_state.file_names != NULL) { |
| 1966 |
for (i = 0; pvar->hosts_state.file_names[i] != NULL; i++) { |
| 1967 |
free(pvar->hosts_state.file_names[i]); |
| 1968 |
} |
| 1969 |
free(pvar->hosts_state.file_names); |
| 1970 |
} |
| 1971 |
} |
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