| 1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * This software has been released under the terms of the IBM Public |
| 6 | * License. For details, see the LICENSE file in the top-level source |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html |
| 8 | */ |
| 9 | |
| 10 | /* ticket caching code */ |
| 11 | |
| 12 | #include <afsconfig.h> |
| 13 | #include <afs/param.h> |
| 14 | #include <afs/stds.h> |
| 15 | |
| 16 | #include <roken.h> |
| 17 | |
| 18 | #include <ctype.h> |
| 19 | |
| 20 | #include <afs/pthread_glock.h> |
| 21 | #include <rpc.h> |
| 22 | #include <afs/smb_iocons.h> |
| 23 | #include <afs/pioctl_nt.h> |
| 24 | #include "afs/afsrpc.h" |
| 25 | #include <afs/vice.h> |
| 26 | #include "auth.h" |
| 27 | #include <afs/afsutil.h> |
| 28 | #include "token.h" |
| 29 | |
| 30 | /* TBUFFERSIZE must be at least 512 larger than KTCMAXTICKETSIZE */ |
| 31 | #define TBUFFERSIZE 12512 |
| 32 | |
| 33 | /* Forward declarations for local token cache. */ |
| 34 | static int SetLocalToken(struct ktc_principal *aserver, |
| 35 | struct ktc_token *atoken, |
| 36 | struct ktc_principal *aclient, afs_int32 flags); |
| 37 | static int GetLocalToken(struct ktc_principal *aserver, |
| 38 | struct ktc_token *atoken, int atokenLen, |
| 39 | struct ktc_principal *aclient); |
| 40 | static int ForgetLocalTokens(); |
| 41 | static int ForgetOneLocalToken(struct ktc_principal *aserver); |
| 42 | |
| 43 | |
| 44 | static char AFSConfigKeyName[] = |
| 45 | "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters"; |
| 46 | |
| 47 | static char AFSGlobalKTCMutexName[] = "Global\\AFS_KTC_Mutex"; |
| 48 | static char AFSKTCMutexName[] = "AFS_KTC_Mutex"; |
| 49 | |
| 50 | #define MAXPIOCTLTOKENLEN \ |
| 51 | (3*sizeof(afs_int32)+MAXKTCTICKETLEN+sizeof(struct ClearToken)+MAXKTCREALMLEN) |
| 52 | |
| 53 | /* |
| 54 | * Support for RPC's to send and receive session keys |
| 55 | * |
| 56 | * Session keys must not be sent and received in the clear. We have no |
| 57 | * way to piggyback encryption on SMB, so we use a separate RPC, using |
| 58 | * packet privacy (when available). In SetToken, the RPC is done first; |
| 59 | * in GetToken, the pioctl is done first. |
| 60 | */ |
| 61 | |
| 62 | char rpcErr[256]; |
| 63 | |
| 64 | void __RPC_FAR *__RPC_USER |
| 65 | midl_user_allocate(size_t cBytes) |
| 66 | { |
| 67 | return malloc(cBytes); |
| 68 | } |
| 69 | |
| 70 | void __RPC_USER |
| 71 | midl_user_free(void __RPC_FAR * p) |
| 72 | { |
| 73 | free(p); |
| 74 | } |
| 75 | |
| 76 | /* |
| 77 | * Determine the server name to be used in the RPC binding. If it is |
| 78 | * the same as the client (i.e. standalone, non-gateway), NULL can be |
| 79 | * used, so it is not necessary to call gethostbyname(). |
| 80 | */ |
| 81 | void |
| 82 | getservername(char **snp, unsigned int snSize) |
| 83 | { |
| 84 | HKEY parmKey; |
| 85 | long code; |
| 86 | |
| 87 | code = |
| 88 | RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSConfigKeyName, 0, KEY_QUERY_VALUE, |
| 89 | &parmKey); |
| 90 | if (code != ERROR_SUCCESS) |
| 91 | goto nogateway; |
| 92 | code = RegQueryValueEx(parmKey, "Gateway", NULL, NULL, *snp, &snSize); |
| 93 | RegCloseKey(parmKey); |
| 94 | if (code == ERROR_SUCCESS) |
| 95 | return; |
| 96 | nogateway: |
| 97 | /* No gateway name in registry; use ourself */ |
| 98 | *snp = NULL; |
| 99 | } |
| 100 | |
| 101 | RPC_STATUS |
| 102 | send_key(afs_uuid_t uuid, char sessionKey[8]) |
| 103 | { |
| 104 | RPC_STATUS status; |
| 105 | char *stringBinding = NULL; |
| 106 | ULONG authnLevel, authnSvc; |
| 107 | char serverName[256]; |
| 108 | char *serverNamep = serverName; |
| 109 | char encrypt[32]; |
| 110 | BOOL encryptionOff = FALSE; |
| 111 | char protseq[32]; |
| 112 | |
| 113 | /* Encryption on by default */ |
| 114 | if (GetEnvironmentVariable("AFS_RPC_ENCRYPT", encrypt, sizeof(encrypt))) |
| 115 | if (!_stricmp(encrypt, "OFF")) |
| 116 | encryptionOff = TRUE; |
| 117 | |
| 118 | /* Protocol sequence is local by default */ |
| 119 | if (!GetEnvironmentVariable("AFS_RPC_PROTSEQ", protseq, sizeof(protseq))) |
| 120 | strcpy(protseq, "ncalrpc"); |
| 121 | |
| 122 | /* Server name */ |
| 123 | getservername(&serverNamep, sizeof(serverName)); |
| 124 | |
| 125 | status = RpcStringBindingCompose("", /* obj uuid */ |
| 126 | protseq, serverNamep, "", /* endpoint */ |
| 127 | "", /* protocol options */ |
| 128 | &stringBinding); |
| 129 | if (status != RPC_S_OK) |
| 130 | goto cleanup; |
| 131 | |
| 132 | status = RpcBindingFromStringBinding(stringBinding, &hAfsHandle); |
| 133 | if (status != RPC_S_OK) |
| 134 | goto cleanup; |
| 135 | |
| 136 | /* |
| 137 | * On Windows 95/98, we must resolve the binding before calling |
| 138 | * SetAuthInfo. On Windows NT, we don't have to resolve yet, |
| 139 | * but it does no harm. |
| 140 | */ |
| 141 | status = RpcEpResolveBinding(hAfsHandle, afsrpc_v1_0_c_ifspec); |
| 142 | if (status != RPC_S_OK) |
| 143 | goto cleanup; |
| 144 | |
| 145 | if (encryptionOff) { |
| 146 | authnLevel = RPC_C_AUTHN_LEVEL_NONE; |
| 147 | authnSvc = RPC_C_AUTHN_WINNT; |
| 148 | } else { |
| 149 | authnLevel = RPC_C_AUTHN_LEVEL_PKT_PRIVACY; |
| 150 | authnSvc = RPC_C_AUTHN_WINNT; |
| 151 | } |
| 152 | |
| 153 | status = |
| 154 | RpcBindingSetAuthInfo(hAfsHandle, NULL, authnLevel, authnSvc, NULL, |
| 155 | RPC_C_AUTHZ_NONE); |
| 156 | if (status != RPC_S_OK) |
| 157 | goto cleanup; |
| 158 | |
| 159 | RpcTryExcept { |
| 160 | status = AFSRPC_SetToken(uuid, sessionKey); |
| 161 | } |
| 162 | RpcExcept(1) { |
| 163 | status = RpcExceptionCode(); |
| 164 | } |
| 165 | RpcEndExcept cleanup:if (stringBinding) |
| 166 | RpcStringFree(&stringBinding); |
| 167 | |
| 168 | if (hAfsHandle != NULL) |
| 169 | RpcBindingFree(&hAfsHandle); |
| 170 | |
| 171 | return status; |
| 172 | } |
| 173 | |
| 174 | RPC_STATUS |
| 175 | receive_key(afs_uuid_t uuid, char sessionKey[8]) |
| 176 | { |
| 177 | RPC_STATUS status; |
| 178 | char *stringBinding = NULL; |
| 179 | ULONG authnLevel, authnSvc; |
| 180 | char serverName[256]; |
| 181 | char *serverNamep = serverName; |
| 182 | char encrypt[32]; |
| 183 | BOOL encryptionOff = FALSE; |
| 184 | char protseq[32]; |
| 185 | |
| 186 | /* Encryption on by default */ |
| 187 | if (GetEnvironmentVariable("AFS_RPC_ENCRYPT", encrypt, sizeof(encrypt))) |
| 188 | if (!_stricmp(encrypt, "OFF")) |
| 189 | encryptionOff = TRUE; |
| 190 | |
| 191 | /* Protocol sequence is local by default */ |
| 192 | if (!GetEnvironmentVariable("AFS_RPC_PROTSEQ", protseq, sizeof(protseq))) |
| 193 | strcpy(protseq, "ncalrpc"); |
| 194 | |
| 195 | /* Server name */ |
| 196 | getservername(&serverNamep, sizeof(serverName)); |
| 197 | |
| 198 | status = RpcStringBindingCompose("", /* obj uuid */ |
| 199 | protseq, serverNamep, "", /* endpoint */ |
| 200 | "", /* protocol options */ |
| 201 | &stringBinding); |
| 202 | if (status != RPC_S_OK) |
| 203 | goto cleanup; |
| 204 | |
| 205 | status = RpcBindingFromStringBinding(stringBinding, &hAfsHandle); |
| 206 | if (status != RPC_S_OK) |
| 207 | goto cleanup; |
| 208 | |
| 209 | /* |
| 210 | * On Windows 95/98, we must resolve the binding before calling |
| 211 | * SetAuthInfo. On Windows NT, we don't have to resolve yet, |
| 212 | * but it does no harm. |
| 213 | */ |
| 214 | status = RpcEpResolveBinding(hAfsHandle, afsrpc_v1_0_c_ifspec); |
| 215 | if (status != RPC_S_OK) |
| 216 | goto cleanup; |
| 217 | |
| 218 | if (encryptionOff) { |
| 219 | authnLevel = RPC_C_AUTHN_LEVEL_NONE; |
| 220 | authnSvc = RPC_C_AUTHN_WINNT; |
| 221 | } else { |
| 222 | authnLevel = RPC_C_AUTHN_LEVEL_PKT_PRIVACY; |
| 223 | authnSvc = RPC_C_AUTHN_WINNT; |
| 224 | } |
| 225 | |
| 226 | status = |
| 227 | RpcBindingSetAuthInfo(hAfsHandle, NULL, authnLevel, authnSvc, NULL, |
| 228 | RPC_C_AUTHZ_NONE); |
| 229 | if (status != RPC_S_OK) |
| 230 | goto cleanup; |
| 231 | |
| 232 | RpcTryExcept { |
| 233 | status = AFSRPC_GetToken(uuid, sessionKey); |
| 234 | } |
| 235 | RpcExcept(1) { |
| 236 | status = RpcExceptionCode(); |
| 237 | } |
| 238 | RpcEndExcept cleanup:if (stringBinding) |
| 239 | RpcStringFree(&stringBinding); |
| 240 | |
| 241 | if (hAfsHandle != NULL) |
| 242 | RpcBindingFree(&hAfsHandle); |
| 243 | |
| 244 | return status; |
| 245 | } |
| 246 | |
| 247 | int |
| 248 | ktc_SetToken(struct ktc_principal *server, struct ktc_token *token, |
| 249 | struct ktc_principal *client, int flags) |
| 250 | { |
| 251 | struct ViceIoctl iob; |
| 252 | char tbuffer[TBUFFERSIZE]; |
| 253 | int len; |
| 254 | char *tp; |
| 255 | struct ClearToken ct; |
| 256 | int temp; |
| 257 | int code; |
| 258 | RPC_STATUS status; |
| 259 | afs_uuid_t uuid; |
| 260 | HANDLE ktcMutex = NULL; |
| 261 | |
| 262 | if (token->ticketLen < MINKTCTICKETLEN |
| 263 | || token->ticketLen > MAXKTCTICKETLEN) |
| 264 | return KTC_INVAL; |
| 265 | |
| 266 | if (strcmp(server->name, "afs")) { |
| 267 | return SetLocalToken(server, token, client, flags); |
| 268 | } |
| 269 | |
| 270 | tp = tbuffer; |
| 271 | |
| 272 | /* ticket length */ |
| 273 | memcpy(tp, &token->ticketLen, sizeof(token->ticketLen)); |
| 274 | tp += sizeof(token->ticketLen); |
| 275 | len = sizeof(token->ticketLen); |
| 276 | |
| 277 | /* ticket */ |
| 278 | if (len + token->ticketLen > TBUFFERSIZE) |
| 279 | return KTC_INVAL; |
| 280 | memcpy(tp, token->ticket, token->ticketLen); |
| 281 | tp += token->ticketLen; |
| 282 | len += token->ticketLen; |
| 283 | |
| 284 | /* clear token */ |
| 285 | ct.AuthHandle = token->kvno; |
| 286 | /* |
| 287 | * Instead of sending the session key in the clear, we zero it, |
| 288 | * and send it later, via RPC, encrypted. |
| 289 | */ |
| 290 | #ifndef AFS_WIN95_ENV |
| 291 | /* |
| 292 | * memcpy(ct.HandShakeKey, &token->sessionKey, sizeof(token->sessionKey)); |
| 293 | */ |
| 294 | memset(ct.HandShakeKey, 0, sizeof(ct.HandShakeKey)); |
| 295 | #else |
| 296 | memcpy(ct.HandShakeKey, &token->sessionKey, sizeof(token->sessionKey)); |
| 297 | #endif |
| 298 | ct.BeginTimestamp = token->startTime; |
| 299 | ct.EndTimestamp = token->endTime; |
| 300 | if (ct.BeginTimestamp == 0) |
| 301 | ct.BeginTimestamp = 1; |
| 302 | |
| 303 | /* We don't know from Vice ID's yet */ |
| 304 | ct.ViceId = 37; /* XXX */ |
| 305 | if (((ct.EndTimestamp - ct.BeginTimestamp) & 1) == 1) |
| 306 | ct.BeginTimestamp++; /* force lifetime to be even */ |
| 307 | |
| 308 | /* size of clear token */ |
| 309 | if (len + sizeof(temp) > TBUFFERSIZE) |
| 310 | return KTC_INVAL; |
| 311 | temp = sizeof(struct ClearToken); |
| 312 | memcpy(tp, &temp, sizeof(temp)); |
| 313 | tp += sizeof(temp); |
| 314 | len += sizeof(temp); |
| 315 | |
| 316 | /* clear token itself */ |
| 317 | if (len + sizeof(ct) > TBUFFERSIZE) |
| 318 | return KTC_INVAL; |
| 319 | memcpy(tp, &ct, sizeof(ct)); |
| 320 | tp += sizeof(ct); |
| 321 | len += sizeof(ct); |
| 322 | |
| 323 | /* flags; on NT there is no setpag flag, but there is an |
| 324 | * integrated logon flag */ |
| 325 | if (len + sizeof(temp) > TBUFFERSIZE) |
| 326 | return KTC_INVAL; |
| 327 | temp = ((flags & AFS_SETTOK_LOGON) ? PIOCTL_LOGON : 0); |
| 328 | memcpy(tp, &temp, sizeof(temp)); |
| 329 | tp += sizeof(temp); |
| 330 | len += sizeof(temp); |
| 331 | |
| 332 | /* cell name */ |
| 333 | temp = (int)strlen(server->cell) + 1; |
| 334 | if (len + temp > TBUFFERSIZE || |
| 335 | temp > MAXKTCREALMLEN) |
| 336 | return KTC_INVAL; |
| 337 | strcpy(tp, server->cell); |
| 338 | tp += temp; |
| 339 | len += temp; |
| 340 | |
| 341 | /* user name */ |
| 342 | temp = (int)strlen(client->name) + 1; |
| 343 | if (len + temp > TBUFFERSIZE || |
| 344 | temp > MAXKTCNAMELEN) |
| 345 | return KTC_INVAL; |
| 346 | strcpy(tp, client->name); |
| 347 | tp += temp; |
| 348 | len += temp; |
| 349 | |
| 350 | /* we need the SMB user name to associate the tokens with in the |
| 351 | * integrated logon case. */ |
| 352 | if (flags & AFS_SETTOK_LOGON) { |
| 353 | if (client->smbname == NULL) |
| 354 | temp = 1; |
| 355 | else |
| 356 | temp = (int)strlen(client->smbname) + 1; |
| 357 | if (temp == 1 || |
| 358 | len + temp > TBUFFERSIZE || |
| 359 | temp > MAXKTCNAMELEN) |
| 360 | return KTC_INVAL; |
| 361 | strcpy(tp, client->smbname); |
| 362 | tp += temp; |
| 363 | len += temp; |
| 364 | } |
| 365 | |
| 366 | /* uuid */ |
| 367 | if (len + sizeof(uuid) > TBUFFERSIZE) |
| 368 | return KTC_INVAL; |
| 369 | status = UuidCreate((UUID *) & uuid); |
| 370 | memcpy(tp, &uuid, sizeof(uuid)); |
| 371 | tp += sizeof(uuid); |
| 372 | len += sizeof(uuid); |
| 373 | |
| 374 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 375 | if (ktcMutex == NULL) |
| 376 | return KTC_TOKEN_MUTEX_FAIL; |
| 377 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 378 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 379 | CloseHandle(ktcMutex); |
| 380 | return KTC_TOKEN_MUTEX_FAIL; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /* RPC to send session key */ |
| 385 | status = send_key(uuid, token->sessionKey.data); |
| 386 | if (status != RPC_S_OK) { |
| 387 | if (status == 1) |
| 388 | strcpy(rpcErr, "RPC failure in AFS gateway"); |
| 389 | else |
| 390 | DceErrorInqText(status, rpcErr); |
| 391 | |
| 392 | ReleaseMutex(ktcMutex); |
| 393 | CloseHandle(ktcMutex); |
| 394 | |
| 395 | if (status == RPC_S_SERVER_UNAVAILABLE || |
| 396 | status == EPT_S_NOT_REGISTERED) { |
| 397 | return KTC_NOCMRPC; |
| 398 | } else { |
| 399 | return KTC_RPC; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | /* set up for pioctl */ |
| 404 | iob.in = tbuffer; |
| 405 | iob.in_size = (long)(tp - tbuffer); |
| 406 | iob.out = tbuffer; |
| 407 | iob.out_size = sizeof(tbuffer); |
| 408 | |
| 409 | code = pioctl(0, VIOCSETTOK, &iob, 0); |
| 410 | |
| 411 | ReleaseMutex(ktcMutex); |
| 412 | CloseHandle(ktcMutex); |
| 413 | |
| 414 | if (code) { |
| 415 | if (code == -1) { |
| 416 | if (errno == ESRCH) |
| 417 | return KTC_NOCELL; |
| 418 | else if (errno == ENODEV) |
| 419 | return KTC_NOCM; |
| 420 | else if (errno == EINVAL) |
| 421 | return KTC_INVAL; |
| 422 | else |
| 423 | return KTC_PIOCTLFAIL; |
| 424 | } else |
| 425 | return KTC_PIOCTLFAIL; |
| 426 | } |
| 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | int |
| 432 | ktc_SetTokenEx(struct ktc_setTokenData *token) |
| 433 | { |
| 434 | /* Not yet implemented */ |
| 435 | return KTC_PIOCTLFAIL; |
| 436 | } |
| 437 | |
| 438 | int |
| 439 | ktc_GetToken(struct ktc_principal *server, struct ktc_token *token, |
| 440 | int tokenLen, struct ktc_principal *client) |
| 441 | { |
| 442 | struct ViceIoctl iob; |
| 443 | char tbuffer[TBUFFERSIZE]; |
| 444 | size_t len; |
| 445 | char *tp, *cp; |
| 446 | char *ticketP; |
| 447 | int ticketLen, temp; |
| 448 | struct ClearToken ct; |
| 449 | char *cellName; |
| 450 | int cellNameSize; |
| 451 | int maxLen; |
| 452 | int code; |
| 453 | RPC_STATUS status; |
| 454 | afs_uuid_t uuid; |
| 455 | HANDLE ktcMutex = NULL; |
| 456 | |
| 457 | tp = tbuffer; |
| 458 | |
| 459 | /* check to see if the user is requesting tokens for a principal |
| 460 | * other than afs. If so, check the local token cache. |
| 461 | */ |
| 462 | if (strcmp(server->name, "afs")) { |
| 463 | return GetLocalToken(server, token, tokenLen, client); |
| 464 | } |
| 465 | |
| 466 | /* cell name */ |
| 467 | len = strlen(server->cell) + 1; |
| 468 | strcpy(tp, server->cell); |
| 469 | tp += len; |
| 470 | |
| 471 | /* uuid */ |
| 472 | status = UuidCreate((UUID *) & uuid); |
| 473 | memcpy(tp, &uuid, sizeof(uuid)); |
| 474 | tp += sizeof(uuid); |
| 475 | len += sizeof(uuid); |
| 476 | |
| 477 | iob.in = tbuffer; |
| 478 | iob.in_size = (long)(tp - tbuffer); |
| 479 | iob.out = tbuffer; |
| 480 | iob.out_size = sizeof(tbuffer); |
| 481 | |
| 482 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 483 | if (ktcMutex == NULL) |
| 484 | return KTC_TOKEN_MUTEX_FAIL; |
| 485 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 486 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 487 | CloseHandle(ktcMutex); |
| 488 | return KTC_TOKEN_MUTEX_FAIL; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | code = pioctl(0, VIOCNEWGETTOK, &iob, 0); |
| 493 | if (code) { |
| 494 | ReleaseMutex(ktcMutex); |
| 495 | CloseHandle(ktcMutex); |
| 496 | |
| 497 | if (code == -1) { |
| 498 | if (errno == ESRCH) |
| 499 | return KTC_NOCELL; |
| 500 | else if (errno == ENODEV) |
| 501 | return KTC_NOCM; |
| 502 | else if (errno == EINVAL) |
| 503 | return KTC_INVAL; |
| 504 | else if (errno == EDOM) |
| 505 | return KTC_NOENT; |
| 506 | else |
| 507 | return KTC_PIOCTLFAIL; |
| 508 | } else |
| 509 | return KTC_PIOCTLFAIL; |
| 510 | } |
| 511 | |
| 512 | /* RPC to receive session key */ |
| 513 | status = receive_key(uuid, token->sessionKey.data); |
| 514 | |
| 515 | ReleaseMutex(ktcMutex); |
| 516 | CloseHandle(ktcMutex); |
| 517 | |
| 518 | if (status != RPC_S_OK) { |
| 519 | if (status == 1) |
| 520 | strcpy(rpcErr, "RPC failure in AFS gateway"); |
| 521 | else |
| 522 | DceErrorInqText(status, rpcErr); |
| 523 | |
| 524 | if (status == RPC_S_SERVER_UNAVAILABLE || |
| 525 | status == EPT_S_NOT_REGISTERED) |
| 526 | return KTC_NOCMRPC; |
| 527 | else |
| 528 | return KTC_RPC; |
| 529 | } |
| 530 | |
| 531 | cp = tbuffer; |
| 532 | |
| 533 | /* ticket length */ |
| 534 | memcpy(&ticketLen, cp, sizeof(ticketLen)); |
| 535 | cp += sizeof(ticketLen); |
| 536 | len = sizeof(ticketLen); |
| 537 | |
| 538 | /* remember where ticket is and skip over it */ |
| 539 | if (len + ticketLen > TBUFFERSIZE || |
| 540 | len + ticketLen > iob.out_size) |
| 541 | return KTC_ERROR; |
| 542 | ticketP = cp; |
| 543 | cp += ticketLen; |
| 544 | len += ticketLen; |
| 545 | |
| 546 | /* size of clear token */ |
| 547 | if (len + sizeof(temp) > TBUFFERSIZE || |
| 548 | len + sizeof(temp) > iob.out_size) |
| 549 | return KTC_ERROR; |
| 550 | memcpy(&temp, cp, sizeof(temp)); |
| 551 | cp += sizeof(temp); |
| 552 | len += sizeof(temp); |
| 553 | if (temp != sizeof(ct)) |
| 554 | return KTC_ERROR; |
| 555 | |
| 556 | /* clear token */ |
| 557 | if (len + temp > TBUFFERSIZE || |
| 558 | len + temp > iob.out_size) |
| 559 | return KTC_ERROR; |
| 560 | memcpy(&ct, cp, temp); |
| 561 | cp += temp; |
| 562 | len += temp; |
| 563 | |
| 564 | /* skip over primary flag */ |
| 565 | if (len + sizeof(temp) > TBUFFERSIZE || |
| 566 | len + sizeof(temp) > iob.out_size) |
| 567 | return KTC_ERROR; |
| 568 | cp += sizeof(temp); |
| 569 | len += sizeof(temp); |
| 570 | |
| 571 | /* remember cell name and skip over it */ |
| 572 | cellName = cp; |
| 573 | cellNameSize = (int)strlen(cp); |
| 574 | if (len + cellNameSize + 1 > TBUFFERSIZE || |
| 575 | len + cellNameSize + 1 > iob.out_size) |
| 576 | return KTC_ERROR; |
| 577 | cp += cellNameSize + 1; |
| 578 | len += cellNameSize + 1; |
| 579 | |
| 580 | /* user name is here */ |
| 581 | |
| 582 | /* check that ticket will fit |
| 583 | * this compares the size of the ktc_token allocated by the app |
| 584 | * which might be smaller than the current definition of MAXKTCTICKETLEN |
| 585 | */ |
| 586 | maxLen = tokenLen - sizeof(struct ktc_token) + MAXKTCTICKETLEN; |
| 587 | if (maxLen < ticketLen) |
| 588 | return KTC_TOOBIG; |
| 589 | |
| 590 | /* set return values */ |
| 591 | memcpy(token->ticket, ticketP, ticketLen); |
| 592 | token->startTime = ct.BeginTimestamp; |
| 593 | token->endTime = ct.EndTimestamp; |
| 594 | if (ct.AuthHandle == -1) |
| 595 | ct.AuthHandle = 999; |
| 596 | token->kvno = ct.AuthHandle; |
| 597 | #ifndef AFS_WIN95_ENV |
| 598 | /* |
| 599 | * Session key has already been set via RPC |
| 600 | */ |
| 601 | #else |
| 602 | memcpy(&token->sessionKey, ct.HandShakeKey, sizeof(ct.HandShakeKey)); |
| 603 | #endif /* AFS_WIN95_ENV */ |
| 604 | token->ticketLen = ticketLen; |
| 605 | if (client) { |
| 606 | strcpy(client->name, cp); |
| 607 | client->instance[0] = '\0'; |
| 608 | strcpy(client->cell, cellName); |
| 609 | } |
| 610 | |
| 611 | return 0; |
| 612 | } |
| 613 | |
| 614 | /*! |
| 615 | * Get a token, given the cell that we need to get information for |
| 616 | * |
| 617 | * @param cellName |
| 618 | * The name of the cell we're getting the token for - if NULL, we'll |
| 619 | * get information for the primary cell |
| 620 | */ |
| 621 | int |
| 622 | ktc_GetTokenEx(char *cellName, struct ktc_setTokenData **tokenSet) { |
| 623 | struct ViceIoctl iob; |
| 624 | char tbuffer[MAXPIOCTLTOKENLEN]; |
| 625 | char *tp; |
| 626 | afs_int32 code; |
| 627 | XDR xdrs; |
| 628 | HANDLE ktcMutex = NULL; |
| 629 | |
| 630 | tp = tbuffer; |
| 631 | |
| 632 | /* If we have a cellName, write it out here */ |
| 633 | if (cellName) { |
| 634 | memcpy(tp, cellName, strlen(cellName) +1); |
| 635 | tp += strlen(cellName)+1; |
| 636 | } |
| 637 | |
| 638 | iob.in = tbuffer; |
| 639 | iob.in_size = tp - tbuffer; |
| 640 | iob.out = tbuffer; |
| 641 | iob.out_size = sizeof(tbuffer); |
| 642 | |
| 643 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 644 | if (ktcMutex == NULL) |
| 645 | return KTC_TOKEN_MUTEX_FAIL; |
| 646 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 647 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 648 | CloseHandle(ktcMutex); |
| 649 | return KTC_TOKEN_MUTEX_FAIL; |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | #if 0 |
| 654 | code = pioctl(0, VIOC_GETTOK2, &iob, 0); |
| 655 | #else |
| 656 | code = -1; /* not yet implemented */ |
| 657 | errno = EINVAL; |
| 658 | #endif |
| 659 | |
| 660 | ReleaseMutex(ktcMutex); |
| 661 | CloseHandle(ktcMutex); |
| 662 | |
| 663 | /* If we can't use the new pioctl, the fall back to the old one. We then |
| 664 | * need to convert the rxkad token we get back into the new format |
| 665 | */ |
| 666 | if (code == -1 && errno == EINVAL) { |
| 667 | struct ktc_principal server; |
| 668 | struct ktc_principal client; |
| 669 | struct ktc_tokenUnion token; |
| 670 | struct ktc_token *ktcToken; /* too huge for the stack */ |
| 671 | |
| 672 | memset(&server, 0, sizeof(server)); |
| 673 | ktcToken = malloc(sizeof(struct ktc_token)); |
| 674 | if (ktcToken == NULL) |
| 675 | return ENOMEM; |
| 676 | memset(ktcToken, 0, sizeof(struct ktc_token)); |
| 677 | |
| 678 | strcpy(server.name, "afs"); |
| 679 | strcpy(server.cell, cellName); |
| 680 | code = ktc_GetToken(&server, ktcToken, sizeof(struct ktc_token), |
| 681 | &client); |
| 682 | if (code == 0) { |
| 683 | *tokenSet = token_buildTokenJar(cellName); |
| 684 | token.at_type = AFSTOKEN_UNION_KAD; |
| 685 | token.ktc_tokenUnion_u.at_kad.rk_kvno = ktcToken->kvno; |
| 686 | memcpy(token.ktc_tokenUnion_u.at_kad.rk_key, |
| 687 | ktcToken->sessionKey.data, 8); |
| 688 | |
| 689 | token.ktc_tokenUnion_u.at_kad.rk_begintime = ktcToken->startTime; |
| 690 | token.ktc_tokenUnion_u.at_kad.rk_endtime = ktcToken->endTime; |
| 691 | token.ktc_tokenUnion_u.at_kad.rk_ticket.rk_ticket_len |
| 692 | = ktcToken->ticketLen; |
| 693 | token.ktc_tokenUnion_u.at_kad.rk_ticket.rk_ticket_val |
| 694 | = ktcToken->ticket; |
| 695 | |
| 696 | token_addToken(*tokenSet, &token); |
| 697 | |
| 698 | memset(ktcToken, 0, sizeof(struct ktc_token)); |
| 699 | } |
| 700 | free(ktcToken); |
| 701 | return code; |
| 702 | } |
| 703 | if (code) |
| 704 | return KTC_PIOCTLFAIL; |
| 705 | |
| 706 | *tokenSet = malloc(sizeof(struct ktc_setTokenData)); |
| 707 | if (*tokenSet == NULL) |
| 708 | return ENOMEM; |
| 709 | memset(*tokenSet, 0, sizeof(struct ktc_setTokenData)); |
| 710 | |
| 711 | xdrmem_create(&xdrs, iob.out, iob.out_size, XDR_DECODE); |
| 712 | if (!xdr_ktc_setTokenData(&xdrs, *tokenSet)) { |
| 713 | free(*tokenSet); |
| 714 | *tokenSet = NULL; |
| 715 | xdr_destroy(&xdrs); |
| 716 | return EINVAL; |
| 717 | } |
| 718 | xdr_destroy(&xdrs); |
| 719 | return 0; |
| 720 | } |
| 721 | |
| 722 | int |
| 723 | ktc_ListTokens(int cellNum, int *cellNumP, struct ktc_principal *server) |
| 724 | { |
| 725 | struct ViceIoctl iob; |
| 726 | char tbuffer[TBUFFERSIZE]; |
| 727 | int len; |
| 728 | char *tp, *cp; |
| 729 | int newIter, ticketLen, temp; |
| 730 | int code; |
| 731 | HANDLE ktcMutex = NULL; |
| 732 | |
| 733 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 734 | if (ktcMutex == NULL) |
| 735 | return KTC_TOKEN_MUTEX_FAIL; |
| 736 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 737 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 738 | CloseHandle(ktcMutex); |
| 739 | return KTC_TOKEN_MUTEX_FAIL; |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | tp = tbuffer; |
| 744 | |
| 745 | /* iterator */ |
| 746 | memcpy(tp, &cellNum, sizeof(cellNum)); |
| 747 | tp += sizeof(cellNum); |
| 748 | |
| 749 | /* do pioctl */ |
| 750 | iob.in = tbuffer; |
| 751 | iob.in_size = (long)(tp - tbuffer); |
| 752 | iob.out = tbuffer; |
| 753 | iob.out_size = sizeof(tbuffer); |
| 754 | |
| 755 | code = pioctl(0, VIOCGETTOK, &iob, 0); |
| 756 | |
| 757 | ReleaseMutex(ktcMutex); |
| 758 | CloseHandle(ktcMutex); |
| 759 | |
| 760 | if (code) { |
| 761 | if (code == -1) { |
| 762 | if (errno == ESRCH) |
| 763 | return KTC_NOCELL; |
| 764 | else if (errno == ENODEV) |
| 765 | return KTC_NOCM; |
| 766 | else if (errno == EINVAL) |
| 767 | return KTC_INVAL; |
| 768 | else if (errno == EDOM) |
| 769 | return KTC_NOENT; |
| 770 | else |
| 771 | return KTC_PIOCTLFAIL; |
| 772 | } else |
| 773 | return KTC_PIOCTLFAIL; |
| 774 | } |
| 775 | |
| 776 | cp = tbuffer; |
| 777 | |
| 778 | /* new iterator */ |
| 779 | memcpy(&newIter, cp, sizeof(newIter)); |
| 780 | cp += sizeof(newIter); |
| 781 | len = sizeof(newIter); |
| 782 | |
| 783 | /* ticket length */ |
| 784 | if (len + sizeof(ticketLen) > TBUFFERSIZE || |
| 785 | len + sizeof(ticketLen) > iob.out_size) |
| 786 | return KTC_ERROR; |
| 787 | memcpy(&ticketLen, cp, sizeof(ticketLen)); |
| 788 | cp += sizeof(ticketLen); |
| 789 | len += sizeof(ticketLen); |
| 790 | |
| 791 | /* skip over ticket */ |
| 792 | cp += ticketLen; |
| 793 | len += ticketLen; |
| 794 | |
| 795 | /* clear token size */ |
| 796 | if (len + sizeof(temp) > TBUFFERSIZE || |
| 797 | len + sizeof(temp) > iob.out_size) |
| 798 | return KTC_ERROR; |
| 799 | memcpy(&temp, cp, sizeof(temp)); |
| 800 | cp += sizeof(temp); |
| 801 | len += sizeof(temp); |
| 802 | if (temp != sizeof(struct ClearToken)) |
| 803 | return KTC_ERROR; |
| 804 | |
| 805 | /* skip over clear token */ |
| 806 | cp += sizeof(struct ClearToken); |
| 807 | len += sizeof(struct ClearToken); |
| 808 | |
| 809 | /* skip over primary flag */ |
| 810 | cp += sizeof(temp); |
| 811 | len += sizeof(temp); |
| 812 | if (len > TBUFFERSIZE || |
| 813 | len > iob.out_size) |
| 814 | return KTC_ERROR; |
| 815 | |
| 816 | /* cell name is here */ |
| 817 | |
| 818 | /* set return values */ |
| 819 | if (len + temp > TBUFFERSIZE || |
| 820 | temp > MAXKTCREALMLEN) |
| 821 | return KTC_ERROR; |
| 822 | strcpy(server->cell, cp); |
| 823 | server->instance[0] = '\0'; |
| 824 | strcpy(server->name, "afs"); |
| 825 | |
| 826 | *cellNumP = newIter; |
| 827 | return 0; |
| 828 | } |
| 829 | |
| 830 | int |
| 831 | ktc_ForgetToken(struct ktc_principal *server) |
| 832 | { |
| 833 | struct ViceIoctl iob; |
| 834 | char tbuffer[TBUFFERSIZE]; |
| 835 | char *tp; |
| 836 | int code; |
| 837 | HANDLE ktcMutex = NULL; |
| 838 | |
| 839 | if (strcmp(server->name, "afs")) { |
| 840 | return ForgetOneLocalToken(server); |
| 841 | } |
| 842 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 843 | if (ktcMutex == NULL) |
| 844 | return KTC_TOKEN_MUTEX_FAIL; |
| 845 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 846 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 847 | CloseHandle(ktcMutex); |
| 848 | return KTC_TOKEN_MUTEX_FAIL; |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | tp = tbuffer; |
| 853 | |
| 854 | /* cell name */ |
| 855 | strcpy(tp, server->cell); |
| 856 | tp += strlen(tp) + 1; |
| 857 | |
| 858 | /* do pioctl */ |
| 859 | iob.in = tbuffer; |
| 860 | iob.in_size = (long)(tp - tbuffer); |
| 861 | iob.out = tbuffer; |
| 862 | iob.out_size = sizeof(tbuffer); |
| 863 | |
| 864 | code = pioctl(0, VIOCDELTOK, &iob, 0); |
| 865 | ReleaseMutex(ktcMutex); |
| 866 | CloseHandle(ktcMutex); |
| 867 | |
| 868 | if (code) { |
| 869 | if (code == -1) { |
| 870 | if (errno == ESRCH) |
| 871 | return KTC_NOCELL; |
| 872 | else if (errno == EDOM) |
| 873 | return KTC_NOENT; |
| 874 | else if (errno == ENODEV) |
| 875 | return KTC_NOCM; |
| 876 | else |
| 877 | return KTC_PIOCTLFAIL; |
| 878 | } else |
| 879 | return KTC_PIOCTLFAIL; |
| 880 | } |
| 881 | return 0; |
| 882 | } |
| 883 | |
| 884 | int |
| 885 | ktc_ForgetAllTokens() |
| 886 | { |
| 887 | struct ViceIoctl iob; |
| 888 | char tbuffer[TBUFFERSIZE]; |
| 889 | int code; |
| 890 | HANDLE ktcMutex = NULL; |
| 891 | |
| 892 | (void)ForgetLocalTokens(); |
| 893 | |
| 894 | ktcMutex = CreateMutex(NULL, TRUE, AFSGlobalKTCMutexName); |
| 895 | if (ktcMutex == NULL) |
| 896 | return KTC_TOKEN_MUTEX_FAIL; |
| 897 | if (GetLastError() == ERROR_ALREADY_EXISTS) { |
| 898 | if (WaitForSingleObject(ktcMutex, INFINITE) != WAIT_OBJECT_0) { |
| 899 | CloseHandle(ktcMutex); |
| 900 | return KTC_TOKEN_MUTEX_FAIL; |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | /* do pioctl */ |
| 905 | iob.in = tbuffer; |
| 906 | iob.in_size = 0; |
| 907 | iob.out = tbuffer; |
| 908 | iob.out_size = sizeof(tbuffer); |
| 909 | |
| 910 | code = pioctl(0, VIOCDELALLTOK, &iob, 0); |
| 911 | ReleaseMutex(ktcMutex); |
| 912 | CloseHandle(ktcMutex); |
| 913 | |
| 914 | if (code) { |
| 915 | if (code == -1) { |
| 916 | if (errno == ENODEV) |
| 917 | return KTC_NOCM; |
| 918 | else |
| 919 | return KTC_PIOCTLFAIL; |
| 920 | } else |
| 921 | return KTC_PIOCTLFAIL; |
| 922 | } |
| 923 | return 0; |
| 924 | } |
| 925 | |
| 926 | int |
| 927 | ktc_OldPioctl() |
| 928 | { |
| 929 | return 1; |
| 930 | } |
| 931 | |
| 932 | |
| 933 | #define MAXLOCALTOKENS 4 |
| 934 | |
| 935 | static struct { |
| 936 | int valid; |
| 937 | struct ktc_principal server; |
| 938 | struct ktc_principal client; |
| 939 | struct ktc_token token; |
| 940 | } local_tokens[MAXLOCALTOKENS] = { |
| 941 | 0}; |
| 942 | |
| 943 | static int |
| 944 | SetLocalToken(struct ktc_principal *aserver, struct ktc_token *atoken, |
| 945 | struct ktc_principal *aclient, afs_int32 flags) |
| 946 | { |
| 947 | int found = -1; |
| 948 | int i; |
| 949 | |
| 950 | LOCK_GLOBAL_MUTEX; |
| 951 | for (i = 0; i < MAXLOCALTOKENS; i++) |
| 952 | if (local_tokens[i].valid) { |
| 953 | if ((strcmp(local_tokens[i].server.name, aserver->name) == 0) |
| 954 | && (strcmp(local_tokens[i].server.instance, aserver->instance) |
| 955 | == 0) |
| 956 | && (strcmp(local_tokens[i].server.cell, aserver->cell) == 0)) { |
| 957 | found = i; /* replace existing entry */ |
| 958 | break; |
| 959 | } |
| 960 | } else if (found == -1) |
| 961 | found = i; /* remember empty slot but keep looking for a match */ |
| 962 | if (found == -1) { |
| 963 | UNLOCK_GLOBAL_MUTEX; |
| 964 | return KTC_NOENT; |
| 965 | } |
| 966 | memcpy(&local_tokens[found].token, atoken, sizeof(struct ktc_token)); |
| 967 | memcpy(&local_tokens[found].server, aserver, |
| 968 | sizeof(struct ktc_principal)); |
| 969 | memcpy(&local_tokens[found].client, aclient, |
| 970 | sizeof(struct ktc_principal)); |
| 971 | local_tokens[found].valid = 1; |
| 972 | UNLOCK_GLOBAL_MUTEX; |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | |
| 977 | static int |
| 978 | GetLocalToken(struct ktc_principal *aserver, struct ktc_token *atoken, |
| 979 | int atokenLen, struct ktc_principal *aclient) |
| 980 | { |
| 981 | int i; |
| 982 | |
| 983 | LOCK_GLOBAL_MUTEX; |
| 984 | for (i = 0; i < MAXLOCALTOKENS; i++) |
| 985 | if (local_tokens[i].valid |
| 986 | && (strcmp(local_tokens[i].server.name, aserver->name) == 0) |
| 987 | && (strcmp(local_tokens[i].server.instance, aserver->instance) == |
| 988 | 0) |
| 989 | && (strcmp(local_tokens[i].server.cell, aserver->cell) == 0)) { |
| 990 | memcpy(atoken, &local_tokens[i].token, |
| 991 | min(atokenLen, sizeof(struct ktc_token))); |
| 992 | memcpy(aclient, &local_tokens[i].client, |
| 993 | sizeof(struct ktc_principal)); |
| 994 | UNLOCK_GLOBAL_MUTEX; |
| 995 | return 0; |
| 996 | } |
| 997 | UNLOCK_GLOBAL_MUTEX; |
| 998 | return KTC_NOENT; |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | static int |
| 1003 | ForgetLocalTokens() |
| 1004 | { |
| 1005 | int i; |
| 1006 | |
| 1007 | LOCK_GLOBAL_MUTEX; |
| 1008 | for (i = 0; i < MAXLOCALTOKENS; i++) { |
| 1009 | local_tokens[i].valid = 0; |
| 1010 | memset(&local_tokens[i].token.sessionKey, 0, |
| 1011 | sizeof(struct ktc_encryptionKey)); |
| 1012 | } |
| 1013 | UNLOCK_GLOBAL_MUTEX; |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | static int |
| 1019 | ForgetOneLocalToken(struct ktc_principal *aserver) |
| 1020 | { |
| 1021 | int i; |
| 1022 | |
| 1023 | LOCK_GLOBAL_MUTEX; |
| 1024 | for (i = 0; i < MAXLOCALTOKENS; i++) { |
| 1025 | if (local_tokens[i].valid |
| 1026 | && (strcmp(local_tokens[i].server.name, aserver->name) == 0) |
| 1027 | && (strcmp(local_tokens[i].server.instance, aserver->instance) == |
| 1028 | 0) |
| 1029 | && (strcmp(local_tokens[i].server.cell, aserver->cell) == 0)) { |
| 1030 | local_tokens[i].valid = 0; |
| 1031 | memset(&local_tokens[i].token.sessionKey, 0, |
| 1032 | sizeof(struct ktc_encryptionKey)); |
| 1033 | UNLOCK_GLOBAL_MUTEX; |
| 1034 | return 0; |
| 1035 | } |
| 1036 | } |
| 1037 | UNLOCK_GLOBAL_MUTEX; |
| 1038 | return KTC_NOENT; |
| 1039 | } |
| 1040 | |
| 1041 | /*! |
| 1042 | * An iterator which can list all cells with tokens in the cache |
| 1043 | * |
| 1044 | * This function may be used to list the names of all cells for which |
| 1045 | * tokens exist in the current cache. The first time that it is called, |
| 1046 | * prevIndex should be set to 0. On all subsequent calls, prevIndex |
| 1047 | * should be set to the value returned in newIndex by the last call |
| 1048 | * to the function. Note that there is no guarantee that the index value |
| 1049 | * is monotonically increasing. |
| 1050 | * |
| 1051 | * @param prevIndex |
| 1052 | * The index returned by the last call, or 0 if this is the first |
| 1053 | * call in an iteration |
| 1054 | * @param newIndex |
| 1055 | * A pointer to an int which, upon return, will hold the next value |
| 1056 | * to be used. |
| 1057 | * @param cellName |
| 1058 | * A pointer to a char * which, upon return, will hold a cellname. |
| 1059 | * This must be freed by the caller using free() |
| 1060 | */ |
| 1061 | |
| 1062 | int |
| 1063 | ktc_ListTokensEx(int prevIndex, int *newIndex, char **cellName) { |
| 1064 | struct ViceIoctl iob; |
| 1065 | char tbuffer[MAXPIOCTLTOKENLEN]; |
| 1066 | afs_int32 code; |
| 1067 | afs_int32 index; |
| 1068 | struct ktc_setTokenData tokenSet; |
| 1069 | XDR xdrs; |
| 1070 | HANDLE ktcMutex = NULL; |
| 1071 | |
| 1072 | memset(&tokenSet, 0, sizeof(tokenSet)); |
| 1073 | |
| 1074 | *cellName = NULL; |
| 1075 | *newIndex = prevIndex; |
| 1076 | |
| 1077 | index = prevIndex; |
| 1078 | |
| 1079 | while (index<100) { /* Safety, incase of pioctl failure */ |
| 1080 | memset(tbuffer, 0, sizeof(tbuffer)); |
| 1081 | iob.in = tbuffer; |
| 1082 | memcpy(tbuffer, &index, sizeof(afs_int32)); |
| 1083 | iob.in_size = sizeof(afs_int32); |
| 1084 | iob.out = tbuffer; |
| 1085 | iob.out_size = sizeof(tbuffer); |
| 1086 | |
| 1087 | #if 0 |
| 1088 | code = pioctl(0, VIOC_GETTOK2, &iob, 0); |
| 1089 | #else |
| 1090 | code = -1; /* not yet implemented */ |
| 1091 | errno = EINVAL; |
| 1092 | #endif |
| 1093 | |
| 1094 | /* Can't use new pioctl, so must use old one */ |
| 1095 | if (code == -1 && errno == EINVAL) { |
| 1096 | struct ktc_principal server; |
| 1097 | |
| 1098 | code = ktc_ListTokens(index, newIndex, &server); |
| 1099 | if (code == 0) |
| 1100 | *cellName = strdup(server.cell); |
| 1101 | return code; |
| 1102 | } |
| 1103 | |
| 1104 | if (code == 0) { |
| 1105 | /* Got a token from the pioctl. Now we throw it away, |
| 1106 | * so we can return just a cellname. This is rather wasteful, |
| 1107 | * but it's what the old API does. Ho hum. */ |
| 1108 | |
| 1109 | xdrmem_create(&xdrs, iob.out, iob.out_size, XDR_DECODE); |
| 1110 | if (!xdr_ktc_setTokenData(&xdrs, &tokenSet)) { |
| 1111 | xdr_destroy(&xdrs); |
| 1112 | return EINVAL; |
| 1113 | } |
| 1114 | xdr_destroy(&xdrs); |
| 1115 | *cellName = strdup(tokenSet.cell); |
| 1116 | xdr_free((xdrproc_t)xdr_ktc_setTokenData, &tokenSet); |
| 1117 | *newIndex = index + 1; |
| 1118 | return 0; |
| 1119 | } |
| 1120 | index++; |
| 1121 | } |
| 1122 | return KTC_PIOCTLFAIL; |
| 1123 | } |
| 1124 | |