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805e021f CE |
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 | #include <afsconfig.h> | |
11 | #include <afs/param.h> | |
12 | #include <afs/stds.h> | |
13 | ||
14 | #include <roken.h> | |
15 | ||
16 | #include <windows.h> | |
17 | #include <winioctl.h> | |
18 | #define SECURITY_WIN32 | |
19 | #include <security.h> | |
20 | #include <nb30.h> | |
21 | #include <tchar.h> | |
22 | #include <strsafe.h> | |
23 | ||
24 | #include <osi.h> | |
25 | ||
26 | #include <cm.h> | |
27 | #include <cm_nls.h> | |
28 | #include <cm_server.h> | |
29 | #include <cm_cell.h> | |
30 | #include <cm_user.h> | |
31 | #include <cm_conn.h> | |
32 | #include <cm_scache.h> | |
33 | #include <cm_buf.h> | |
34 | #include <cm_dir.h> | |
35 | #include <cm_utils.h> | |
36 | #include <cm_ioctl.h> | |
37 | #include <smb_iocons.h> | |
38 | #include <smb.h> | |
39 | #include <pioctl_nt.h> | |
40 | #include <WINNT/afsreg.h> | |
41 | #include <lanahelper.h> | |
42 | ||
43 | #include <krb5.h> | |
44 | #include <..\WINNT\afsrdr\common\AFSUserDefines.h> | |
45 | #include <..\WINNT\afsrdr\common\AFSUserIoctl.h> | |
46 | #include <..\WINNT\afsrdr\common\AFSUserStructs.h> | |
47 | ||
48 | static char AFSConfigKeyName[] = AFSREG_CLT_SVC_PARAM_SUBKEY; | |
49 | ||
50 | static const char utf8_prefix[] = UTF8_PREFIX; | |
51 | static const int utf8_prefix_size = sizeof(utf8_prefix) - sizeof(char); | |
52 | ||
53 | #define FS_IOCTLREQUEST_MAXSIZE 8192 | |
54 | /* big structure for representing and storing an IOCTL request */ | |
55 | typedef struct fs_ioctlRequest { | |
56 | char *mp; /* marshalling/unmarshalling ptr */ | |
57 | long nbytes; /* bytes received (when unmarshalling) */ | |
58 | char data[FS_IOCTLREQUEST_MAXSIZE]; /* data we're marshalling */ | |
59 | } fs_ioctlRequest_t; | |
60 | ||
61 | ||
62 | static int | |
63 | CMtoUNIXerror(int cm_code) | |
64 | { | |
65 | switch (cm_code) { | |
66 | case CM_ERROR_TIMEDOUT: | |
67 | return ETIMEDOUT; | |
68 | case CM_ERROR_NOACCESS: | |
69 | return EACCES; | |
70 | case CM_ERROR_NOSUCHFILE: | |
71 | case CM_ERROR_NOSUCHPATH: | |
72 | case CM_ERROR_BPLUS_NOMATCH: | |
73 | return ENOENT; | |
74 | case CM_ERROR_INVAL: | |
75 | return EINVAL; | |
76 | case CM_ERROR_BADFD: | |
77 | return EBADF; | |
78 | case CM_ERROR_EXISTS: | |
79 | case CM_ERROR_INEXACT_MATCH: | |
80 | return EEXIST; | |
81 | case CM_ERROR_CROSSDEVLINK: | |
82 | return EXDEV; | |
83 | case CM_ERROR_NOTDIR: | |
84 | return ENOTDIR; | |
85 | case CM_ERROR_ISDIR: | |
86 | return EISDIR; | |
87 | case CM_ERROR_READONLY: | |
88 | return EROFS; | |
89 | case CM_ERROR_WOULDBLOCK: | |
90 | return EWOULDBLOCK; | |
91 | case CM_ERROR_NOSUCHCELL: | |
92 | return ESRCH; /* hack */ | |
93 | case CM_ERROR_NOSUCHVOLUME: | |
94 | return EPIPE; /* hack */ | |
95 | case CM_ERROR_NOMORETOKENS: | |
96 | return EDOM; /* hack */ | |
97 | case CM_ERROR_TOOMANYBUFS: | |
98 | return EFBIG; /* hack */ | |
99 | case CM_ERROR_ALLBUSY: | |
100 | return EBUSY; | |
101 | case CM_ERROR_ALLDOWN: | |
102 | return ENOSYS; /* hack */ | |
103 | case CM_ERROR_ALLOFFLINE: | |
104 | return ENXIO; /* hack */ | |
105 | default: | |
106 | if (cm_code > 0 && cm_code < EILSEQ) | |
107 | return cm_code; | |
108 | else | |
109 | return ENOTTY; | |
110 | } | |
111 | } | |
112 | ||
113 | static void | |
114 | InitFSRequest(fs_ioctlRequest_t * rp) | |
115 | { | |
116 | rp->mp = rp->data; | |
117 | rp->nbytes = 0; | |
118 | } | |
119 | ||
120 | static BOOL | |
121 | IoctlDebug(void) | |
122 | { | |
123 | static int init = 0; | |
124 | static BOOL debug = 0; | |
125 | ||
126 | if ( !init ) { | |
127 | HKEY hk; | |
128 | ||
129 | if (RegOpenKey (HKEY_LOCAL_MACHINE, | |
130 | TEXT("Software\\OpenAFS\\Client"), &hk) == 0) | |
131 | { | |
132 | DWORD dwSize = sizeof(BOOL); | |
133 | DWORD dwType = REG_DWORD; | |
134 | RegQueryValueEx (hk, TEXT("IoctlDebug"), NULL, &dwType, (PBYTE)&debug, &dwSize); | |
135 | RegCloseKey (hk); | |
136 | } | |
137 | ||
138 | init = 1; | |
139 | } | |
140 | ||
141 | return debug; | |
142 | } | |
143 | ||
144 | static BOOL | |
145 | RDR_Ready(void) | |
146 | { | |
147 | HANDLE hDevHandle = NULL; | |
148 | DWORD bytesReturned; | |
149 | AFSDriverStatusRespCB *respBuffer = NULL; | |
150 | DWORD rc = 0; | |
151 | BOOL ready = FALSE; | |
152 | ||
153 | hDevHandle = CreateFileW( AFS_SYMLINK_W, | |
154 | GENERIC_READ | GENERIC_WRITE, | |
155 | FILE_SHARE_READ | FILE_SHARE_WRITE, | |
156 | NULL, | |
157 | OPEN_EXISTING, | |
158 | 0, | |
159 | NULL); | |
160 | if( hDevHandle == INVALID_HANDLE_VALUE) | |
161 | { | |
162 | DWORD gle = GetLastError(); | |
163 | ||
164 | if (gle && IoctlDebug() ) { | |
165 | char buf[4096]; | |
166 | int saveerrno; | |
167 | ||
168 | saveerrno = errno; | |
169 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
170 | NULL, | |
171 | gle, | |
172 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
173 | buf, | |
174 | 4096, | |
175 | NULL | |
176 | ) ) | |
177 | { | |
178 | fprintf(stderr,"RDR_Ready CreateFile(%S) failed: 0x%X\r\n\t[%s]\r\n", | |
179 | AFS_SYMLINK_W,gle,buf); | |
180 | } | |
181 | errno = saveerrno; | |
182 | } | |
183 | return FALSE; | |
184 | } | |
185 | ||
186 | // | |
187 | // Allocate a response buffer. | |
188 | // | |
189 | respBuffer = calloc(1, sizeof( AFSDriverStatusRespCB)); | |
190 | if( respBuffer) | |
191 | { | |
192 | ||
193 | if( !DeviceIoControl( hDevHandle, | |
194 | IOCTL_AFS_STATUS_REQUEST, | |
195 | NULL, | |
196 | 0, | |
197 | (void *)respBuffer, | |
198 | sizeof( AFSDriverStatusRespCB), | |
199 | &bytesReturned, | |
200 | NULL)) | |
201 | { | |
202 | // | |
203 | // Error condition back from driver | |
204 | // | |
205 | DWORD gle = GetLastError(); | |
206 | ||
207 | if (gle && IoctlDebug() ) { | |
208 | char buf[4096]; | |
209 | int saveerrno; | |
210 | ||
211 | saveerrno = errno; | |
212 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
213 | NULL, | |
214 | gle, | |
215 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
216 | buf, | |
217 | 4096, | |
218 | NULL | |
219 | ) ) | |
220 | { | |
221 | fprintf(stderr,"RDR_Ready CreateFile(%s) failed: 0x%X\r\n\t[%s]\r\n", | |
222 | AFS_SYMLINK,gle,buf); | |
223 | } | |
224 | errno = saveerrno; | |
225 | } | |
226 | rc = -1; | |
227 | goto cleanup; | |
228 | } | |
229 | ||
230 | if (bytesReturned == sizeof(AFSDriverStatusRespCB)) | |
231 | { | |
232 | ready = ( respBuffer->Status == AFS_DRIVER_STATUS_READY ); | |
233 | } | |
234 | } else | |
235 | rc = ENOMEM; | |
236 | ||
237 | cleanup: | |
238 | if (respBuffer) | |
239 | free( respBuffer); | |
240 | ||
241 | if (hDevHandle != INVALID_HANDLE_VALUE) | |
242 | CloseHandle(hDevHandle); | |
243 | ||
244 | return ready; | |
245 | } | |
246 | ||
247 | static BOOL | |
248 | DisableServiceManagerCheck(void) | |
249 | { | |
250 | static int init = 0; | |
251 | static BOOL smcheck = 0; | |
252 | ||
253 | if ( !init ) { | |
254 | HKEY hk; | |
255 | ||
256 | if (RegOpenKey (HKEY_LOCAL_MACHINE, | |
257 | TEXT("Software\\OpenAFS\\Client"), &hk) == 0) | |
258 | { | |
259 | DWORD dwSize = sizeof(BOOL); | |
260 | DWORD dwType = REG_DWORD; | |
261 | RegQueryValueEx (hk, TEXT("DisableIoctlSMCheck"), NULL, &dwType, (PBYTE)&smcheck, &dwSize); | |
262 | RegCloseKey (hk); | |
263 | } | |
264 | ||
265 | init = 1; | |
266 | } | |
267 | ||
268 | return smcheck; | |
269 | } | |
270 | ||
271 | static DWORD | |
272 | GetServiceStatus( | |
273 | LPSTR lpszMachineName, | |
274 | LPSTR lpszServiceName, | |
275 | DWORD *lpdwCurrentState) | |
276 | { | |
277 | DWORD hr = NOERROR; | |
278 | SC_HANDLE schSCManager = NULL; | |
279 | SC_HANDLE schService = NULL; | |
280 | DWORD fdwDesiredAccess = 0; | |
281 | SERVICE_STATUS ssServiceStatus = {0}; | |
282 | BOOL fRet = FALSE; | |
283 | ||
284 | *lpdwCurrentState = 0; | |
285 | ||
286 | fdwDesiredAccess = GENERIC_READ; | |
287 | ||
288 | schSCManager = OpenSCManager(lpszMachineName, | |
289 | NULL, | |
290 | fdwDesiredAccess); | |
291 | ||
292 | if(schSCManager == NULL) | |
293 | { | |
294 | hr = GetLastError(); | |
295 | goto cleanup; | |
296 | } | |
297 | ||
298 | schService = OpenService(schSCManager, | |
299 | lpszServiceName, | |
300 | fdwDesiredAccess); | |
301 | ||
302 | if(schService == NULL) | |
303 | { | |
304 | hr = GetLastError(); | |
305 | goto cleanup; | |
306 | } | |
307 | ||
308 | fRet = QueryServiceStatus(schService, | |
309 | &ssServiceStatus); | |
310 | ||
311 | if(fRet == FALSE) | |
312 | { | |
313 | hr = GetLastError(); | |
314 | goto cleanup; | |
315 | } | |
316 | ||
317 | *lpdwCurrentState = ssServiceStatus.dwCurrentState; | |
318 | ||
319 | cleanup: | |
320 | ||
321 | CloseServiceHandle(schService); | |
322 | CloseServiceHandle(schSCManager); | |
323 | ||
324 | return(hr); | |
325 | } | |
326 | ||
327 | static BOOL | |
328 | UnicodeToANSI(LPCWSTR lpInputString, LPSTR lpszOutputString, int nOutStringLen) | |
329 | { | |
330 | CPINFO CodePageInfo; | |
331 | ||
332 | GetCPInfo(CP_ACP, &CodePageInfo); | |
333 | ||
334 | if (CodePageInfo.MaxCharSize > 1) { | |
335 | // Only supporting non-Unicode strings | |
336 | int reqLen = WideCharToMultiByte( CP_ACP, 0, | |
337 | lpInputString, -1, | |
338 | NULL, 0, NULL, NULL); | |
339 | if ( reqLen > nOutStringLen) | |
340 | { | |
341 | return FALSE; | |
342 | } else { | |
343 | if (WideCharToMultiByte( CP_ACP, | |
344 | WC_COMPOSITECHECK, | |
345 | lpInputString, -1, | |
346 | lpszOutputString, | |
347 | nOutStringLen, NULL, NULL) == 0) | |
348 | return FALSE; | |
349 | } | |
350 | } | |
351 | else | |
352 | { | |
353 | // Looks like unicode, better translate it | |
354 | if (WideCharToMultiByte( CP_ACP, | |
355 | WC_COMPOSITECHECK, | |
356 | lpInputString, -1, | |
357 | lpszOutputString, | |
358 | nOutStringLen, NULL, NULL) == 0) | |
359 | return FALSE; | |
360 | } | |
361 | ||
362 | return TRUE; | |
363 | } | |
364 | ||
365 | static BOOL | |
366 | GetLSAPrincipalName(char * pszUser, DWORD dwUserSize) | |
367 | { | |
368 | KERB_QUERY_TKT_CACHE_REQUEST CacheRequest; | |
369 | PKERB_RETRIEVE_TKT_RESPONSE pTicketResponse = NULL; | |
370 | ULONG ResponseSize; | |
371 | PKERB_EXTERNAL_NAME pClientName = NULL; | |
372 | PUNICODE_STRING pDomainName = NULL; | |
373 | LSA_STRING Name; | |
374 | HANDLE hLogon = INVALID_HANDLE_VALUE; | |
375 | ULONG PackageId; | |
376 | NTSTATUS ntStatus; | |
377 | NTSTATUS ntSubStatus = 0; | |
378 | WCHAR * wchUser = NULL; | |
379 | DWORD dwSize; | |
380 | SHORT sCount; | |
381 | BOOL bRet = FALSE; | |
382 | ||
383 | ntStatus = LsaConnectUntrusted( &hLogon); | |
384 | if (FAILED(ntStatus)) | |
385 | goto cleanup; | |
386 | ||
387 | Name.Buffer = MICROSOFT_KERBEROS_NAME_A; | |
388 | Name.Length = (USHORT)(sizeof(MICROSOFT_KERBEROS_NAME_A) - sizeof(char)); | |
389 | Name.MaximumLength = Name.Length; | |
390 | ||
391 | ntStatus = LsaLookupAuthenticationPackage( hLogon, &Name, &PackageId); | |
392 | if (FAILED(ntStatus)) | |
393 | goto cleanup; | |
394 | ||
395 | memset(&CacheRequest, 0, sizeof(KERB_QUERY_TKT_CACHE_REQUEST)); | |
396 | CacheRequest.MessageType = KerbRetrieveTicketMessage; | |
397 | CacheRequest.LogonId.LowPart = 0; | |
398 | CacheRequest.LogonId.HighPart = 0; | |
399 | ||
400 | ntStatus = LsaCallAuthenticationPackage( hLogon, | |
401 | PackageId, | |
402 | &CacheRequest, | |
403 | sizeof(CacheRequest), | |
404 | &pTicketResponse, | |
405 | &ResponseSize, | |
406 | &ntSubStatus); | |
407 | if (FAILED(ntStatus) || FAILED(ntSubStatus)) | |
408 | goto cleanup; | |
409 | ||
410 | /* We have a ticket in the response */ | |
411 | pClientName = pTicketResponse->Ticket.ClientName; | |
412 | pDomainName = &pTicketResponse->Ticket.DomainName; | |
413 | ||
414 | /* We want to return ClientName @ DomainName */ | |
415 | ||
416 | dwSize = 0; | |
417 | for ( sCount = 0; sCount < pClientName->NameCount; sCount++) | |
418 | { | |
419 | dwSize += pClientName->Names[sCount].Length; | |
420 | } | |
421 | dwSize += pDomainName->Length + sizeof(WCHAR); | |
422 | ||
423 | if ( dwSize / sizeof(WCHAR) > dwUserSize ) | |
424 | goto cleanup; | |
425 | ||
426 | wchUser = malloc(dwSize); | |
427 | if (wchUser == NULL) | |
428 | goto cleanup; | |
429 | ||
430 | for ( sCount = 0, wchUser[0] = L'\0'; sCount < pClientName->NameCount; sCount++) | |
431 | { | |
432 | StringCbCatNW( wchUser, dwSize, | |
433 | pClientName->Names[sCount].Buffer, | |
434 | pClientName->Names[sCount].Length); | |
435 | } | |
436 | StringCbCatNW( wchUser, dwSize, | |
437 | pDomainName->Buffer, | |
438 | pDomainName->Length); | |
439 | ||
440 | if ( !UnicodeToANSI( wchUser, pszUser, dwUserSize) ) | |
441 | goto cleanup; | |
442 | ||
443 | bRet = TRUE; | |
444 | ||
445 | cleanup: | |
446 | ||
447 | if (wchUser) | |
448 | free(wchUser); | |
449 | ||
450 | if ( hLogon != INVALID_HANDLE_VALUE) | |
451 | LsaDeregisterLogonProcess(hLogon); | |
452 | ||
453 | if ( pTicketResponse ) { | |
454 | SecureZeroMemory(pTicketResponse,ResponseSize); | |
455 | LsaFreeReturnBuffer(pTicketResponse); | |
456 | } | |
457 | ||
458 | return bRet; | |
459 | } | |
460 | ||
461 | // | |
462 | // Recursively evaluate drivestr to find the final | |
463 | // dos drive letter to which the source is mapped. | |
464 | // | |
465 | static BOOL | |
466 | DriveSubstitution(char *drivestr, char *subststr, size_t substlen) | |
467 | { | |
468 | char device[MAX_PATH]; | |
469 | ||
470 | if ( QueryDosDevice(drivestr, device, MAX_PATH) ) | |
471 | { | |
472 | if ( device[0] == '\\' && | |
473 | device[1] == '?' && | |
474 | device[2] == '?' && | |
475 | device[3] == '\\' && | |
476 | isalpha(device[4]) && | |
477 | device[5] == ':') | |
478 | { | |
479 | device[0] = device[4]; | |
480 | device[1] = ':'; | |
481 | device[2] = '\0'; | |
482 | if ( DriveSubstitution(device, subststr, substlen) ) | |
483 | { | |
484 | return TRUE; | |
485 | } else { | |
486 | subststr[0] = device[0]; | |
487 | subststr[1] = ':'; | |
488 | subststr[2] = '\0'; | |
489 | return TRUE; | |
490 | } | |
491 | } else | |
492 | if ( device[0] == '\\' && | |
493 | device[1] == '?' && | |
494 | device[2] == '?' && | |
495 | device[3] == '\\' && | |
496 | device[4] == 'U' && | |
497 | device[5] == 'N' && | |
498 | device[6] == 'C' && | |
499 | device[7] == '\\') | |
500 | { | |
501 | subststr[0] = '\\'; | |
502 | strncpy(&subststr[1], &device[7], substlen-1); | |
503 | subststr[substlen-1] = '\0'; | |
504 | return TRUE; | |
505 | } | |
506 | } | |
507 | ||
508 | return FALSE; | |
509 | } | |
510 | ||
511 | // | |
512 | // drivestr - is "<drive-letter>:" | |
513 | // | |
514 | static BOOL | |
515 | DriveIsMappedToAFS(char *drivestr, char *NetbiosName) | |
516 | { | |
517 | DWORD dwResult, dwResultEnum; | |
518 | HANDLE hEnum; | |
519 | DWORD cbBuffer = 16384; // 16K is a good size | |
520 | DWORD cEntries = -1; // enumerate all possible entries | |
521 | LPNETRESOURCE lpnrLocal; // pointer to enumerated structures | |
522 | DWORD i; | |
523 | BOOL bIsAFS = FALSE; | |
524 | char subststr[MAX_PATH]; | |
525 | char device[MAX_PATH]; | |
526 | ||
527 | // | |
528 | // Handle drive letter substitution created with "SUBST <drive> <path>". | |
529 | // If a substitution has occurred, use the target drive letter instead | |
530 | // of the source. | |
531 | // | |
532 | if ( DriveSubstitution(drivestr, subststr, MAX_PATH) ) | |
533 | { | |
534 | if (subststr[0] == '\\' && | |
535 | subststr[1] == '\\') | |
536 | { | |
537 | if (_strnicmp( &subststr[2], NetbiosName, strlen(NetbiosName)) == 0) | |
538 | return TRUE; | |
539 | else | |
540 | return FALSE; | |
541 | } | |
542 | drivestr = subststr; | |
543 | } | |
544 | ||
545 | // | |
546 | // Check for \Device\AFSRedirector | |
547 | // | |
548 | if (QueryDosDevice(drivestr, device, MAX_PATH) && | |
549 | _strnicmp( device, "\\Device\\AFSRedirector", strlen("\\Device\\AFSRedirector")) == 0) { | |
550 | return TRUE; | |
551 | } | |
552 | ||
553 | // | |
554 | // Call the WNetOpenEnum function to begin the enumeration. | |
555 | // | |
556 | dwResult = WNetOpenEnum(RESOURCE_CONNECTED, | |
557 | RESOURCETYPE_DISK, | |
558 | RESOURCEUSAGE_ALL, | |
559 | NULL, // NULL first time the function is called | |
560 | &hEnum); // handle to the resource | |
561 | ||
562 | if (dwResult != NO_ERROR) | |
563 | return FALSE; | |
564 | ||
565 | // | |
566 | // Call the GlobalAlloc function to allocate resources. | |
567 | // | |
568 | lpnrLocal = (LPNETRESOURCE) GlobalAlloc(GPTR, cbBuffer); | |
569 | if (lpnrLocal == NULL) | |
570 | return FALSE; | |
571 | ||
572 | do { | |
573 | // | |
574 | // Initialize the buffer. | |
575 | // | |
576 | ZeroMemory(lpnrLocal, cbBuffer); | |
577 | // | |
578 | // Call the WNetEnumResource function to continue | |
579 | // the enumeration. | |
580 | // | |
581 | cEntries = -1; | |
582 | dwResultEnum = WNetEnumResource(hEnum, // resource handle | |
583 | &cEntries, // defined locally as -1 | |
584 | lpnrLocal, // LPNETRESOURCE | |
585 | &cbBuffer); // buffer size | |
586 | // | |
587 | // If the call succeeds, loop through the structures. | |
588 | // | |
589 | if (dwResultEnum == NO_ERROR) { | |
590 | for (i = 0; i < cEntries; i++) { | |
591 | if (lpnrLocal[i].lpLocalName && | |
592 | toupper(lpnrLocal[i].lpLocalName[0]) == toupper(drivestr[0])) { | |
593 | // | |
594 | // Skip the two backslashes at the start of the UNC device name | |
595 | // | |
596 | if ( _strnicmp( &(lpnrLocal[i].lpRemoteName[2]), NetbiosName, strlen(NetbiosName)) == 0 ) | |
597 | { | |
598 | bIsAFS = TRUE; | |
599 | break; | |
600 | } | |
601 | } | |
602 | } | |
603 | } | |
604 | // Process errors. | |
605 | // | |
606 | else if (dwResultEnum != ERROR_NO_MORE_ITEMS) | |
607 | break; | |
608 | } | |
609 | while (dwResultEnum != ERROR_NO_MORE_ITEMS); | |
610 | ||
611 | // | |
612 | // Call the GlobalFree function to free the memory. | |
613 | // | |
614 | GlobalFree((HGLOBAL) lpnrLocal); | |
615 | // | |
616 | // Call WNetCloseEnum to end the enumeration. | |
617 | // | |
618 | dwResult = WNetCloseEnum(hEnum); | |
619 | ||
620 | return bIsAFS; | |
621 | } | |
622 | ||
623 | static BOOL | |
624 | DriveIsGlobalAutoMapped(char *drivestr) | |
625 | { | |
626 | DWORD dwResult; | |
627 | HKEY hKey; | |
628 | DWORD dwSubMountSize; | |
629 | char szSubMount[260]; | |
630 | DWORD dwType; | |
631 | ||
632 | dwResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, | |
633 | AFSREG_CLT_SVC_PARAM_SUBKEY "\\GlobalAutoMapper", | |
634 | 0, KEY_QUERY_VALUE, &hKey); | |
635 | if (dwResult != ERROR_SUCCESS) | |
636 | return FALSE; | |
637 | ||
638 | dwSubMountSize = sizeof(szSubMount); | |
639 | dwType = REG_SZ; | |
640 | dwResult = RegQueryValueEx(hKey, drivestr, 0, &dwType, szSubMount, &dwSubMountSize); | |
641 | RegCloseKey(hKey); | |
642 | ||
643 | if (dwResult == ERROR_SUCCESS && dwType == REG_SZ) | |
644 | return TRUE; | |
645 | else | |
646 | return FALSE; | |
647 | } | |
648 | ||
649 | static long | |
650 | GetIoctlHandle(char *fileNamep, HANDLE * handlep) | |
651 | { | |
652 | HKEY hk; | |
653 | char *drivep = NULL; | |
654 | char netbiosName[MAX_NB_NAME_LENGTH]="AFS"; | |
655 | DWORD CurrentState = 0; | |
656 | char HostName[64] = ""; | |
657 | char tbuffer[MAX_PATH]=""; | |
658 | HANDLE fh; | |
659 | char szUser[128] = ""; | |
660 | char szClient[MAX_PATH] = ""; | |
661 | char szPath[MAX_PATH] = ""; | |
662 | NETRESOURCE nr; | |
663 | DWORD res; | |
664 | DWORD ioctlDebug = IoctlDebug(); | |
665 | DWORD gle; | |
666 | DWORD dwAttrib; | |
667 | DWORD dwSize = sizeof(szUser); | |
668 | BOOL usingRDR = FALSE; | |
669 | int saveerrno; | |
670 | UINT driveType; | |
671 | int sharingViolation; | |
672 | ||
673 | memset(HostName, '\0', sizeof(HostName)); | |
674 | gethostname(HostName, sizeof(HostName)); | |
675 | if (!DisableServiceManagerCheck() && | |
676 | GetServiceStatus(HostName, TEXT("TransarcAFSDaemon"), &CurrentState) == NOERROR && | |
677 | CurrentState != SERVICE_RUNNING) | |
678 | { | |
679 | if ( ioctlDebug ) { | |
680 | saveerrno = errno; | |
681 | fprintf(stderr, "pioctl GetServiceStatus(%s) == %d\r\n", | |
682 | HostName, CurrentState); | |
683 | errno = saveerrno; | |
684 | } | |
685 | return -1; | |
686 | } | |
687 | ||
688 | if (RDR_Ready()) { | |
689 | usingRDR = TRUE; | |
690 | ||
691 | if ( ioctlDebug ) { | |
692 | saveerrno = errno; | |
693 | fprintf(stderr, "pioctl Redirector is ready\r\n"); | |
694 | errno = saveerrno; | |
695 | } | |
696 | ||
697 | if (RegOpenKey (HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY, &hk) == 0) | |
698 | { | |
699 | DWORD dwSize = sizeof(netbiosName); | |
700 | DWORD dwType = REG_SZ; | |
701 | RegQueryValueExA (hk, "NetbiosName", NULL, &dwType, (PBYTE)netbiosName, &dwSize); | |
702 | RegCloseKey (hk); | |
703 | ||
704 | if ( ioctlDebug ) { | |
705 | saveerrno = errno; | |
706 | fprintf(stderr, "pioctl NetbiosName = \"%s\"\r\n", netbiosName); | |
707 | errno = saveerrno; | |
708 | } | |
709 | } else { | |
710 | if ( ioctlDebug ) { | |
711 | saveerrno = errno; | |
712 | gle = GetLastError(); | |
713 | fprintf(stderr, "pioctl Unable to open \"HKLM\\%s\" using NetbiosName = \"AFS\" GLE=0x%x\r\n", | |
714 | HostName, CurrentState, gle); | |
715 | errno = saveerrno; | |
716 | } | |
717 | } | |
718 | } else { | |
719 | if ( ioctlDebug ) { | |
720 | saveerrno = errno; | |
721 | fprintf(stderr, "pioctl Redirector is not ready\r\n"); | |
722 | errno = saveerrno; | |
723 | } | |
724 | ||
725 | if (!GetEnvironmentVariable("AFS_PIOCTL_SERVER", netbiosName, sizeof(netbiosName))) | |
726 | lana_GetNetbiosName(netbiosName,LANA_NETBIOS_NAME_FULL); | |
727 | ||
728 | if ( ioctlDebug ) { | |
729 | saveerrno = errno; | |
730 | fprintf(stderr, "pioctl NetbiosName = \"%s\"\r\n", netbiosName); | |
731 | errno = saveerrno; | |
732 | } | |
733 | } | |
734 | ||
735 | if (fileNamep) { | |
736 | drivep = strchr(fileNamep, ':'); | |
737 | if (drivep && (drivep - fileNamep) >= 1) { | |
738 | tbuffer[0] = *(drivep - 1); | |
739 | tbuffer[1] = ':'; | |
740 | tbuffer[2] = '\0'; | |
741 | ||
742 | driveType = GetDriveType(tbuffer); | |
743 | switch (driveType) { | |
744 | case DRIVE_UNKNOWN: | |
745 | case DRIVE_REMOTE: | |
746 | if (DriveIsMappedToAFS(tbuffer, netbiosName) || | |
747 | DriveIsGlobalAutoMapped(tbuffer)) | |
748 | strcpy(&tbuffer[2], SMB_IOCTL_FILENAME); | |
749 | else | |
750 | return -1; | |
751 | break; | |
752 | default: | |
753 | if (DriveIsGlobalAutoMapped(tbuffer)) | |
754 | strcpy(&tbuffer[2], SMB_IOCTL_FILENAME); | |
755 | else | |
756 | return -1; | |
757 | } | |
758 | } else if (fileNamep[0] == fileNamep[1] && | |
759 | (fileNamep[0] == '\\' || fileNamep[0] == '/')) | |
760 | { | |
761 | int count = 0, i = 0; | |
762 | ||
763 | while (count < 4 && fileNamep[i]) { | |
764 | tbuffer[i] = fileNamep[i]; | |
765 | if ( tbuffer[i] == '\\' || | |
766 | tbuffer[i] == '/') | |
767 | count++; | |
768 | i++; | |
769 | } | |
770 | if (fileNamep[i] == 0 || (fileNamep[i-1] != '\\' && fileNamep[i-1] != '/')) | |
771 | tbuffer[i++] = '\\'; | |
772 | tbuffer[i] = 0; | |
773 | strcat(tbuffer, SMB_IOCTL_FILENAME_NOSLASH); | |
774 | } else { | |
775 | char curdir[MAX_PATH]=""; | |
776 | ||
777 | GetCurrentDirectory(sizeof(curdir), curdir); | |
778 | if ( curdir[1] == ':' ) { | |
779 | tbuffer[0] = curdir[0]; | |
780 | tbuffer[1] = ':'; | |
781 | tbuffer[2] = '\0'; | |
782 | ||
783 | driveType = GetDriveType(tbuffer); | |
784 | switch (driveType) { | |
785 | case DRIVE_UNKNOWN: | |
786 | case DRIVE_REMOTE: | |
787 | if (DriveIsMappedToAFS(tbuffer, netbiosName) || | |
788 | DriveIsGlobalAutoMapped(tbuffer)) | |
789 | strcpy(&tbuffer[2], SMB_IOCTL_FILENAME); | |
790 | else | |
791 | return -1; | |
792 | break; | |
793 | default: | |
794 | if (DriveIsGlobalAutoMapped(tbuffer)) | |
795 | strcpy(&tbuffer[2], SMB_IOCTL_FILENAME); | |
796 | else | |
797 | return -1; | |
798 | } | |
799 | } else if (curdir[0] == curdir[1] && | |
800 | (curdir[0] == '\\' || curdir[0] == '/')) | |
801 | { | |
802 | int count = 0, i = 0; | |
803 | ||
804 | while (count < 4 && curdir[i]) { | |
805 | tbuffer[i] = curdir[i]; | |
806 | if ( tbuffer[i] == '\\' || | |
807 | tbuffer[i] == '/') | |
808 | count++; | |
809 | i++; | |
810 | } | |
811 | if (curdir[i] == 0 || (curdir[i-1] != '\\' && curdir[i-1] != '/')) | |
812 | tbuffer[i++] = '\\'; | |
813 | tbuffer[i] = 0; | |
814 | strcat(tbuffer, SMB_IOCTL_FILENAME_NOSLASH); | |
815 | } | |
816 | } | |
817 | } | |
818 | if (!tbuffer[0]) { | |
819 | /* No file name starting with drive colon specified, use UNC name */ | |
820 | sprintf(tbuffer,"\\\\%s\\all%s",netbiosName,SMB_IOCTL_FILENAME); | |
821 | } | |
822 | ||
823 | if ( ioctlDebug ) { | |
824 | saveerrno = errno; | |
825 | fprintf(stderr, "pioctl filename = \"%s\"\r\n", tbuffer); | |
826 | errno = saveerrno; | |
827 | } | |
828 | ||
829 | fflush(stdout); | |
830 | ||
831 | /* | |
832 | * Try to find the correct path and authentication | |
833 | */ | |
834 | dwAttrib = GetFileAttributes(tbuffer); | |
835 | if (dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
836 | int gonext = 0; | |
837 | ||
838 | gle = GetLastError(); | |
839 | if (gle && ioctlDebug ) { | |
840 | char buf[4096]; | |
841 | ||
842 | saveerrno = errno; | |
843 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
844 | NULL, | |
845 | gle, | |
846 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
847 | buf, | |
848 | 4096, | |
849 | NULL | |
850 | ) ) | |
851 | { | |
852 | fprintf(stderr,"pioctl GetFileAttributes(%s) failed: 0x%X\r\n\t[%s]\r\n", | |
853 | tbuffer,gle,buf); | |
854 | } | |
855 | errno = saveerrno; | |
856 | SetLastError(gle); | |
857 | } | |
858 | ||
859 | /* with the redirector interface, fail immediately. there is nothing to retry */ | |
860 | if (usingRDR) | |
861 | return -1; | |
862 | ||
863 | if (!GetEnvironmentVariable("AFS_PIOCTL_SERVER", szClient, sizeof(szClient))) | |
864 | lana_GetNetbiosName(szClient, LANA_NETBIOS_NAME_FULL); | |
865 | ||
866 | if (RegOpenKey (HKEY_CURRENT_USER, | |
867 | TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"), &hk) == 0) | |
868 | { | |
869 | DWORD dwType = REG_SZ; | |
870 | RegQueryValueEx (hk, TEXT("Logon User Name"), NULL, &dwType, (PBYTE)szUser, &dwSize); | |
871 | RegCloseKey (hk); | |
872 | } | |
873 | ||
874 | if ( szUser[0] ) { | |
875 | if ( ioctlDebug ) { | |
876 | saveerrno = errno; | |
877 | fprintf(stderr, "pioctl Explorer logon user: [%s]\r\n",szUser); | |
878 | errno = saveerrno; | |
879 | } | |
880 | sprintf(szPath, "\\\\%s", szClient); | |
881 | memset (&nr, 0x00, sizeof(NETRESOURCE)); | |
882 | nr.dwType=RESOURCETYPE_DISK; | |
883 | nr.lpLocalName=0; | |
884 | nr.lpRemoteName=szPath; | |
885 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
886 | if (res) { | |
887 | if ( ioctlDebug ) { | |
888 | saveerrno = errno; | |
889 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
890 | szPath,szUser,res); | |
891 | errno = saveerrno; | |
892 | } | |
893 | gonext = 1; | |
894 | } | |
895 | ||
896 | sprintf(szPath, "\\\\%s\\all", szClient); | |
897 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
898 | if (res) { | |
899 | if ( ioctlDebug ) { | |
900 | saveerrno = errno; | |
901 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
902 | szPath,szUser,res); | |
903 | errno = saveerrno; | |
904 | } | |
905 | gonext = 1; | |
906 | } | |
907 | ||
908 | if (gonext) | |
909 | goto try_lsa_principal; | |
910 | ||
911 | dwAttrib = GetFileAttributes(tbuffer); | |
912 | if (dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
913 | gle = GetLastError(); | |
914 | if (gle && ioctlDebug ) { | |
915 | char buf[4096]; | |
916 | ||
917 | saveerrno = errno; | |
918 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
919 | NULL, | |
920 | gle, | |
921 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
922 | buf, | |
923 | 4096, | |
924 | NULL | |
925 | ) ) | |
926 | { | |
927 | fprintf(stderr,"pioctl GetFileAttributes(%s) failed: 0x%X\r\n\t[%s]\r\n", | |
928 | tbuffer,gle,buf); | |
929 | } | |
930 | errno = saveerrno; | |
931 | SetLastError(gle); | |
932 | } | |
933 | } | |
934 | } | |
935 | } | |
936 | ||
937 | try_lsa_principal: | |
938 | if (!usingRDR && | |
939 | dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
940 | int gonext = 0; | |
941 | ||
942 | dwSize = sizeof(szUser); | |
943 | if (GetLSAPrincipalName(szUser, dwSize)) { | |
944 | if ( ioctlDebug ) { | |
945 | saveerrno = errno; | |
946 | fprintf(stderr, "pioctl LSA Principal logon user: [%s]\r\n",szUser); | |
947 | errno = saveerrno; | |
948 | } | |
949 | sprintf(szPath, "\\\\%s", szClient); | |
950 | memset (&nr, 0x00, sizeof(NETRESOURCE)); | |
951 | nr.dwType=RESOURCETYPE_DISK; | |
952 | nr.lpLocalName=0; | |
953 | nr.lpRemoteName=szPath; | |
954 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
955 | if (res) { | |
956 | if ( ioctlDebug ) { | |
957 | saveerrno = errno; | |
958 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
959 | szPath,szUser,res); | |
960 | errno = saveerrno; | |
961 | } | |
962 | gonext = 1; | |
963 | } | |
964 | ||
965 | sprintf(szPath, "\\\\%s\\all", szClient); | |
966 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
967 | if (res) { | |
968 | if ( ioctlDebug ) { | |
969 | saveerrno = errno; | |
970 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
971 | szPath,szUser,res); | |
972 | errno = saveerrno; | |
973 | } | |
974 | gonext = 1; | |
975 | } | |
976 | ||
977 | if (gonext) | |
978 | goto try_sam_compat; | |
979 | ||
980 | dwAttrib = GetFileAttributes(tbuffer); | |
981 | if (dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
982 | gle = GetLastError(); | |
983 | if (gle && ioctlDebug ) { | |
984 | char buf[4096]; | |
985 | ||
986 | saveerrno = errno; | |
987 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
988 | NULL, | |
989 | gle, | |
990 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
991 | buf, | |
992 | 4096, | |
993 | NULL | |
994 | ) ) | |
995 | { | |
996 | fprintf(stderr,"pioctl GetFileAttributes(%s) failed: 0x%X\r\n\t[%s]\r\n", | |
997 | tbuffer,gle,buf); | |
998 | } | |
999 | errno = saveerrno; | |
1000 | SetLastError(gle); | |
1001 | } | |
1002 | } | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | try_sam_compat: | |
1007 | if (!usingRDR && | |
1008 | dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
1009 | dwSize = sizeof(szUser); | |
1010 | if (GetUserNameEx(NameSamCompatible, szUser, &dwSize)) { | |
1011 | if ( ioctlDebug ) { | |
1012 | saveerrno = errno; | |
1013 | fprintf(stderr, "pioctl SamCompatible logon user: [%s]\r\n",szUser); | |
1014 | errno = saveerrno; | |
1015 | } | |
1016 | sprintf(szPath, "\\\\%s", szClient); | |
1017 | memset (&nr, 0x00, sizeof(NETRESOURCE)); | |
1018 | nr.dwType=RESOURCETYPE_DISK; | |
1019 | nr.lpLocalName=0; | |
1020 | nr.lpRemoteName=szPath; | |
1021 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
1022 | if (res) { | |
1023 | if ( ioctlDebug ) { | |
1024 | saveerrno = errno; | |
1025 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
1026 | szPath,szUser,res); | |
1027 | errno = saveerrno; | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | sprintf(szPath, "\\\\%s\\all", szClient); | |
1032 | res = WNetAddConnection2(&nr,NULL,szUser,0); | |
1033 | if (res) { | |
1034 | if ( ioctlDebug ) { | |
1035 | saveerrno = errno; | |
1036 | fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n", | |
1037 | szPath,szUser,res); | |
1038 | errno = saveerrno; | |
1039 | } | |
1040 | return -1; | |
1041 | } | |
1042 | ||
1043 | dwAttrib = GetFileAttributes(tbuffer); | |
1044 | if (dwAttrib == INVALID_FILE_ATTRIBUTES) { | |
1045 | gle = GetLastError(); | |
1046 | if (gle && ioctlDebug ) { | |
1047 | char buf[4096]; | |
1048 | ||
1049 | saveerrno = errno; | |
1050 | if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, | |
1051 | NULL, | |
1052 | gle, | |
1053 | MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US), | |
1054 | buf, | |
1055 | 4096, | |
1056 | NULL | |
1057 | ) ) | |
1058 | { | |
1059 | fprintf(stderr,"pioctl GetFileAttributes(%s) failed: 0x%X\r\n\t[%s]\r\n", | |
1060 | tbuffer,gle,buf); | |
1061 | } | |
1062 | errno = saveerrno; | |
1063 | } | |
1064 | return -1; | |
1065 | } | |
1066 | } else { | |
1067 | fprintf(stderr, "GetUserNameEx(NameSamCompatible) failed: 0x%X\r\n", GetLastError()); | |
1068 | return -1; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | if ( dwAttrib != (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) { | |
1073 | fprintf(stderr, "GetFileAttributes(%s) returned: 0x%08X\r\n", | |
1074 | tbuffer, dwAttrib); | |
1075 | return -1; | |
1076 | } | |
1077 | ||
1078 | /* tbuffer now contains the correct path; now open the file */ | |
1079 | sharingViolation = 0; | |
1080 | do { | |
1081 | if (sharingViolation) | |
1082 | Sleep(100); | |
1083 | fh = CreateFile(tbuffer, FILE_READ_DATA | FILE_WRITE_DATA, | |
1084 | FILE_SHARE_READ, NULL, OPEN_EXISTING, | |
1085 | FILE_FLAG_WRITE_THROUGH, NULL); | |
1086 | sharingViolation++; | |
1087 | } while (fh == INVALID_HANDLE_VALUE && | |
1088 | GetLastError() == ERROR_SHARING_VIOLATION && | |
1089 | sharingViolation < 100); | |
1090 | fflush(stdout); | |
1091 | ||
1092 | if (fh == INVALID_HANDLE_VALUE) | |
1093 | return -1; | |
1094 | ||
1095 | /* return fh and success code */ | |
1096 | *handlep = fh; | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | static long | |
1101 | Transceive(HANDLE handle, fs_ioctlRequest_t * reqp) | |
1102 | { | |
1103 | long rcount; | |
1104 | long ioCount; | |
1105 | DWORD gle; | |
1106 | DWORD ioctlDebug = IoctlDebug(); | |
1107 | int save; | |
1108 | ||
1109 | rcount = (long)(reqp->mp - reqp->data); | |
1110 | if (rcount <= 0) { | |
1111 | if ( ioctlDebug ) { | |
1112 | save = errno; | |
1113 | fprintf(stderr, "pioctl Transceive rcount <= 0: %d\r\n",rcount); | |
1114 | errno = save; | |
1115 | } | |
1116 | return EINVAL; /* not supposed to happen */ | |
1117 | } | |
1118 | ||
1119 | if (!WriteFile(handle, reqp->data, rcount, &ioCount, NULL)) { | |
1120 | /* failed to write */ | |
1121 | gle = GetLastError(); | |
1122 | ||
1123 | if ( ioctlDebug ) { | |
1124 | save = errno; | |
1125 | fprintf(stderr, "pioctl Transceive WriteFile failed: 0x%X\r\n",gle); | |
1126 | errno = save; | |
1127 | } | |
1128 | return gle; | |
1129 | } | |
1130 | ||
1131 | if (!ReadFile(handle, reqp->data, sizeof(reqp->data), &ioCount, NULL)) { | |
1132 | /* failed to read */ | |
1133 | gle = GetLastError(); | |
1134 | ||
1135 | if ( ioctlDebug ) { | |
1136 | save = errno; | |
1137 | fprintf(stderr, "pioctl Transceive ReadFile failed: 0x%X\r\n",gle); | |
1138 | errno = save; | |
1139 | } | |
1140 | if (gle == ERROR_NOT_SUPPORTED) { | |
1141 | errno = EINVAL; | |
1142 | return -1; | |
1143 | } | |
1144 | return gle; | |
1145 | } | |
1146 | ||
1147 | reqp->nbytes = ioCount; /* set # of bytes available */ | |
1148 | reqp->mp = reqp->data; /* restart marshalling */ | |
1149 | ||
1150 | /* return success */ | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | static long | |
1155 | MarshallLong(fs_ioctlRequest_t * reqp, long val) | |
1156 | { | |
1157 | memcpy(reqp->mp, &val, 4); | |
1158 | reqp->mp += 4; | |
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | static long | |
1163 | UnmarshallLong(fs_ioctlRequest_t * reqp, long *valp) | |
1164 | { | |
1165 | int save; | |
1166 | ||
1167 | /* not enough data left */ | |
1168 | if (reqp->nbytes < 4) { | |
1169 | if ( IoctlDebug() ) { | |
1170 | save = errno; | |
1171 | fprintf(stderr, "pioctl UnmarshallLong reqp->nbytes < 4: %d\r\n", | |
1172 | reqp->nbytes); | |
1173 | errno = save; | |
1174 | } | |
1175 | return -1; | |
1176 | } | |
1177 | ||
1178 | memcpy(valp, reqp->mp, 4); | |
1179 | reqp->mp += 4; | |
1180 | reqp->nbytes -= 4; | |
1181 | return 0; | |
1182 | } | |
1183 | ||
1184 | /* includes marshalling NULL pointer as a null (0 length) string */ | |
1185 | static long | |
1186 | MarshallString(fs_ioctlRequest_t * reqp, char *stringp, int is_utf8) | |
1187 | { | |
1188 | int count; | |
1189 | int save; | |
1190 | ||
1191 | if (stringp) | |
1192 | count = (int)strlen(stringp) + 1;/* space required including null */ | |
1193 | else | |
1194 | count = 1; | |
1195 | ||
1196 | if (is_utf8) { | |
1197 | count += utf8_prefix_size; | |
1198 | } | |
1199 | ||
1200 | /* watch for buffer overflow */ | |
1201 | if ((reqp->mp - reqp->data) + count > sizeof(reqp->data)) { | |
1202 | if ( IoctlDebug() ) { | |
1203 | save = errno; | |
1204 | fprintf(stderr, "pioctl MarshallString buffer overflow\r\n"); | |
1205 | errno = save; | |
1206 | } | |
1207 | return -1; | |
1208 | } | |
1209 | ||
1210 | if (is_utf8) { | |
1211 | memcpy(reqp->mp, utf8_prefix, utf8_prefix_size); | |
1212 | reqp->mp += utf8_prefix_size; | |
1213 | count -= utf8_prefix_size; | |
1214 | } | |
1215 | ||
1216 | if (stringp) | |
1217 | memcpy(reqp->mp, stringp, count); | |
1218 | else | |
1219 | *(reqp->mp) = 0; | |
1220 | reqp->mp += count; | |
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | /* take a path with a drive letter, possibly relative, and return a full path | |
1225 | * without the drive letter. This is the full path relative to the working | |
1226 | * dir for that drive letter. The input and output paths can be the same. | |
1227 | */ | |
1228 | static long | |
1229 | fs_GetFullPath(char *pathp, char *outPathp, long outSize) | |
1230 | { | |
1231 | char tpath[1000]; | |
1232 | char origPath[1000]; | |
1233 | char *firstp; | |
1234 | long code; | |
1235 | int pathHasDrive; | |
1236 | int doSwitch; | |
1237 | char newPath[3]; | |
1238 | char * p; | |
1239 | int save; | |
1240 | ||
1241 | if (pathp[0] != 0 && pathp[1] == ':') { | |
1242 | /* there's a drive letter there */ | |
1243 | firstp = pathp + 2; | |
1244 | pathHasDrive = 1; | |
1245 | } else { | |
1246 | firstp = pathp; | |
1247 | pathHasDrive = 0; | |
1248 | } | |
1249 | ||
1250 | if ( firstp[0] == '\\' && firstp[1] == '\\' || | |
1251 | firstp[0] == '/' && firstp[1] == '/') { | |
1252 | /* UNC path - strip off the server and sharename */ | |
1253 | int i, count; | |
1254 | for ( i=2,count=2; count < 4 && firstp[i]; i++ ) { | |
1255 | if ( firstp[i] == '\\' || firstp[i] == '/' ) { | |
1256 | count++; | |
1257 | } | |
1258 | } | |
1259 | if ( firstp[i] == 0 ) { | |
1260 | strcpy(outPathp,"\\"); | |
1261 | } else { | |
1262 | strcpy(outPathp,&firstp[--i]); | |
1263 | } | |
1264 | for (p=outPathp ;*p; p++) { | |
1265 | if (*p == '/') | |
1266 | *p = '\\'; | |
1267 | } | |
1268 | return 0; | |
1269 | } else if (firstp[0] == '\\' || firstp[0] == '/') { | |
1270 | /* already an absolute pathname, just copy it back */ | |
1271 | strcpy(outPathp, firstp); | |
1272 | for (p=outPathp ;*p; p++) { | |
1273 | if (*p == '/') | |
1274 | *p = '\\'; | |
1275 | } | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | GetCurrentDirectory(sizeof(origPath), origPath); | |
1280 | ||
1281 | doSwitch = 0; | |
1282 | if (pathHasDrive && (*pathp & ~0x20) != (origPath[0] & ~0x20)) { | |
1283 | /* a drive has been specified and it isn't our current drive. | |
1284 | * to get path, switch to it first. Must case-fold drive letters | |
1285 | * for user convenience. | |
1286 | */ | |
1287 | doSwitch = 1; | |
1288 | newPath[0] = *pathp; | |
1289 | newPath[1] = ':'; | |
1290 | newPath[2] = 0; | |
1291 | if (!SetCurrentDirectory(newPath)) { | |
1292 | code = GetLastError(); | |
1293 | ||
1294 | if ( IoctlDebug() ) { | |
1295 | save = errno; | |
1296 | fprintf(stderr, "pioctl fs_GetFullPath SetCurrentDirectory(%s) failed: 0x%X\r\n", | |
1297 | newPath, code); | |
1298 | errno = save; | |
1299 | } | |
1300 | return code; | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | /* now get the absolute path to the current wdir in this drive */ | |
1305 | GetCurrentDirectory(sizeof(tpath), tpath); | |
1306 | if (tpath[1] == ':') | |
1307 | strcpy(outPathp, tpath + 2); /* skip drive letter */ | |
1308 | else if ( tpath[0] == '\\' && tpath[1] == '\\'|| | |
1309 | tpath[0] == '/' && tpath[1] == '/') { | |
1310 | /* UNC path - strip off the server and sharename */ | |
1311 | int i, count; | |
1312 | for ( i=2,count=2; count < 4 && tpath[i]; i++ ) { | |
1313 | if ( tpath[i] == '\\' || tpath[i] == '/' ) { | |
1314 | count++; | |
1315 | } | |
1316 | } | |
1317 | if ( tpath[i] == 0 ) { | |
1318 | strcpy(outPathp,"\\"); | |
1319 | } else { | |
1320 | strcpy(outPathp,&tpath[--i]); | |
1321 | } | |
1322 | } else { | |
1323 | /* this should never happen */ | |
1324 | strcpy(outPathp, tpath); | |
1325 | } | |
1326 | ||
1327 | /* if there is a non-null name after the drive, append it */ | |
1328 | if (*firstp != 0) { | |
1329 | int len = (int)strlen(outPathp); | |
1330 | if (outPathp[len-1] != '\\' && outPathp[len-1] != '/') | |
1331 | strcat(outPathp, "\\"); | |
1332 | strcat(outPathp, firstp); | |
1333 | } | |
1334 | ||
1335 | /* finally, if necessary, switch back to our home drive letter */ | |
1336 | if (doSwitch) { | |
1337 | SetCurrentDirectory(origPath); | |
1338 | } | |
1339 | ||
1340 | for (p=outPathp ;*p; p++) { | |
1341 | if (*p == '/') | |
1342 | *p = '\\'; | |
1343 | } | |
1344 | return 0; | |
1345 | } | |
1346 | ||
1347 | static int | |
1348 | pioctl_int(char *pathp, afs_int32 opcode, struct ViceIoctl *blobp, afs_int32 follow, afs_int32 is_utf8) | |
1349 | { | |
1350 | fs_ioctlRequest_t preq; | |
1351 | long code; | |
1352 | long temp; | |
1353 | char fullPath[1000]; | |
1354 | char altPath[1024]; | |
1355 | HANDLE reqHandle; | |
1356 | int save; | |
1357 | int i,j,count,all; | |
1358 | ||
1359 | /* | |
1360 | * The pioctl operations for creating a mount point and a symlink are broken. | |
1361 | * Instead of 'pathp' referring to the directory object in which the symlink | |
1362 | * or mount point within which the new object is to be created, 'pathp' refers | |
1363 | * to the object itself. This results in a problem when the object being created | |
1364 | * is located within the Freelance root.afs volume. \\afs\foo will not be a | |
1365 | * valid share name since the 'foo' object does not yet exist. Therefore, | |
1366 | * \\afs\foo\_._.afs_ioctl_._ cannot be opened. Instead in these two cases | |
1367 | * we must force the use of the \\afs\all\foo form of the path. | |
1368 | * | |
1369 | * We cannot use this form in all cases because of smb submounts which are | |
1370 | * not located within the Freelance local root. | |
1371 | */ | |
1372 | switch ( opcode ) { | |
1373 | case VIOC_AFS_CREATE_MT_PT: | |
1374 | case VIOC_SYMLINK: | |
1375 | if (pathp && | |
1376 | (pathp[0] == '\\' && pathp[1] == '\\' || | |
1377 | pathp[0] == '/' && pathp[1] == '/')) { | |
1378 | for (all = count = j = 0; pathp[j]; j++) { | |
1379 | if (pathp[j] == '\\' || pathp[j] == '/') | |
1380 | count++; | |
1381 | ||
1382 | /* Test to see if the second component is 'all' */ | |
1383 | if (count == 3) { | |
1384 | all = 1; | |
1385 | for (i=0; pathp[i+j]; i++) { | |
1386 | switch(i) { | |
1387 | case 0: | |
1388 | if (pathp[i+j] != 'a' && | |
1389 | pathp[i+j] != 'A') { | |
1390 | all = 0; | |
1391 | goto notall; | |
1392 | } | |
1393 | break; | |
1394 | case 1: | |
1395 | case 2: | |
1396 | if (pathp[i+j] != 'l' && | |
1397 | pathp[i+j] != 'L') { | |
1398 | all = 0; | |
1399 | goto notall; | |
1400 | } | |
1401 | break; | |
1402 | default: | |
1403 | all = 0; | |
1404 | goto notall; | |
1405 | } | |
1406 | } | |
1407 | if (i != 3) | |
1408 | all = 0; | |
1409 | } | |
1410 | ||
1411 | notall: | |
1412 | if (all) | |
1413 | break; | |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * if count is three and the second component is not 'all', | |
1418 | * then we are attempting to create an object in the | |
1419 | * Freelance root.afs volume. Substitute the path. | |
1420 | */ | |
1421 | ||
1422 | if (count == 3 && !all) { | |
1423 | /* Normalize the name to use \\afs\all as the root */ | |
1424 | for (count = i = j = 0; pathp[j] && i < sizeof(altPath); j++) { | |
1425 | if (pathp[j] == '\\' || pathp[j] == '/') { | |
1426 | altPath[i++] = '\\'; | |
1427 | count++; | |
1428 | ||
1429 | if (count == 3) { | |
1430 | altPath[i++] = 'a'; | |
1431 | altPath[i++] = 'l'; | |
1432 | altPath[i++] = 'l'; | |
1433 | altPath[i++] = '\\'; | |
1434 | count++; | |
1435 | } | |
1436 | } else { | |
1437 | altPath[i++] = pathp[j]; | |
1438 | } | |
1439 | } | |
1440 | altPath[i] = '\0'; | |
1441 | pathp = altPath; | |
1442 | } | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | code = GetIoctlHandle(pathp, &reqHandle); | |
1447 | if (code) { | |
1448 | if (pathp) | |
1449 | errno = EINVAL; | |
1450 | else | |
1451 | errno = ENODEV; | |
1452 | return code; | |
1453 | } | |
1454 | ||
1455 | /* init the request structure */ | |
1456 | InitFSRequest(&preq); | |
1457 | ||
1458 | /* marshall the opcode, the path name and the input parameters */ | |
1459 | MarshallLong(&preq, opcode); | |
1460 | /* when marshalling the path, remove the drive letter, since we already | |
1461 | * used the drive letter to find the AFS daemon; we don't need it any more. | |
1462 | * Eventually we'll expand relative path names here, too, since again, only | |
1463 | * we understand those. | |
1464 | */ | |
1465 | if (pathp) { | |
1466 | code = fs_GetFullPath(pathp, fullPath, sizeof(fullPath)); | |
1467 | if (code) { | |
1468 | CloseHandle(reqHandle); | |
1469 | errno = EINVAL; | |
1470 | return code; | |
1471 | } | |
1472 | } else { | |
1473 | strcpy(fullPath, ""); | |
1474 | } | |
1475 | ||
1476 | MarshallString(&preq, fullPath, is_utf8); | |
1477 | if (blobp->in_size) { | |
1478 | if (blobp->in_size > sizeof(preq.data) - (preq.mp - preq.data)*sizeof(char)) { | |
1479 | errno = E2BIG; | |
1480 | return -1; | |
1481 | } | |
1482 | memcpy(preq.mp, blobp->in, blobp->in_size); | |
1483 | preq.mp += blobp->in_size; | |
1484 | } | |
1485 | ||
1486 | /* now make the call */ | |
1487 | code = Transceive(reqHandle, &preq); | |
1488 | if (code) { | |
1489 | CloseHandle(reqHandle); | |
1490 | return code; | |
1491 | } | |
1492 | ||
1493 | /* now unmarshall the return value */ | |
1494 | if (UnmarshallLong(&preq, &temp) != 0) { | |
1495 | CloseHandle(reqHandle); | |
1496 | return -1; | |
1497 | } | |
1498 | ||
1499 | if (temp != 0) { | |
1500 | CloseHandle(reqHandle); | |
1501 | errno = CMtoUNIXerror(temp); | |
1502 | if ( IoctlDebug() ) { | |
1503 | save = errno; | |
1504 | fprintf(stderr, "pioctl temp != 0: 0x%X\r\n",temp); | |
1505 | errno = save; | |
1506 | } | |
1507 | return -1; | |
1508 | } | |
1509 | ||
1510 | /* otherwise, unmarshall the output parameters */ | |
1511 | if (blobp->out_size) { | |
1512 | temp = blobp->out_size; | |
1513 | if (preq.nbytes < temp) | |
1514 | temp = preq.nbytes; | |
1515 | memcpy(blobp->out, preq.mp, temp); | |
1516 | blobp->out_size = temp; | |
1517 | } | |
1518 | ||
1519 | /* and return success */ | |
1520 | CloseHandle(reqHandle); | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | int | |
1525 | pioctl_utf8(char * pathp, afs_int32 opcode, struct ViceIoctl * blobp, afs_int32 follow) | |
1526 | { | |
1527 | return pioctl_int(pathp, opcode, blobp, follow, TRUE); | |
1528 | } | |
1529 | ||
1530 | int | |
1531 | pioctl(char * pathp, afs_int32 opcode, struct ViceIoctl * blobp, afs_int32 follow) | |
1532 | { | |
1533 | return pioctl_int(pathp, opcode, blobp, follow, FALSE); | |
1534 | } | |
1535 |