scsi: esp: check buffer length before reading scsi command
[qemu.git] / qga / commands-win32.c
1 /*
2 * QEMU Guest Agent win32-specific command implementations
3 *
4 * Copyright IBM Corp. 2012
5 *
6 * Authors:
7 * Michael Roth <mdroth@linux.vnet.ibm.com>
8 * Gal Hammer <ghammer@redhat.com>
9 *
10 * This work is licensed under the terms of the GNU GPL, version 2 or later.
11 * See the COPYING file in the top-level directory.
12 */
13
14 #include "qemu/osdep.h"
15 #include <wtypes.h>
16 #include <powrprof.h>
17 #include <winsock2.h>
18 #include <ws2tcpip.h>
19 #include <iptypes.h>
20 #include <iphlpapi.h>
21 #ifdef CONFIG_QGA_NTDDSCSI
22 #include <winioctl.h>
23 #include <ntddscsi.h>
24 #include <setupapi.h>
25 #include <initguid.h>
26 #endif
27 #include <lm.h>
28
29 #include "qga/guest-agent-core.h"
30 #include "qga/vss-win32.h"
31 #include "qga-qmp-commands.h"
32 #include "qapi/qmp/qerror.h"
33 #include "qemu/queue.h"
34 #include "qemu/host-utils.h"
35 #include "qemu/base64.h"
36
37 #ifndef SHTDN_REASON_FLAG_PLANNED
38 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
39 #endif
40
41 /* multiple of 100 nanoseconds elapsed between windows baseline
42 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
43 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
44 (365 * (1970 - 1601) + \
45 (1970 - 1601) / 4 - 3))
46
47 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
48
49 typedef struct GuestFileHandle {
50 int64_t id;
51 HANDLE fh;
52 QTAILQ_ENTRY(GuestFileHandle) next;
53 } GuestFileHandle;
54
55 static struct {
56 QTAILQ_HEAD(, GuestFileHandle) filehandles;
57 } guest_file_state = {
58 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
59 };
60
61 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
62
63 typedef struct OpenFlags {
64 const char *forms;
65 DWORD desired_access;
66 DWORD creation_disposition;
67 } OpenFlags;
68 static OpenFlags guest_file_open_modes[] = {
69 {"r", GENERIC_READ, OPEN_EXISTING},
70 {"rb", GENERIC_READ, OPEN_EXISTING},
71 {"w", GENERIC_WRITE, CREATE_ALWAYS},
72 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
73 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
74 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
75 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
76 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
77 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
78 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
79 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
80 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
81 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
82 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
83 };
84
85 static OpenFlags *find_open_flag(const char *mode_str)
86 {
87 int mode;
88 Error **errp = NULL;
89
90 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
91 OpenFlags *flags = guest_file_open_modes + mode;
92
93 if (strcmp(flags->forms, mode_str) == 0) {
94 return flags;
95 }
96 }
97
98 error_setg(errp, "invalid file open mode '%s'", mode_str);
99 return NULL;
100 }
101
102 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
103 {
104 GuestFileHandle *gfh;
105 int64_t handle;
106
107 handle = ga_get_fd_handle(ga_state, errp);
108 if (handle < 0) {
109 return -1;
110 }
111 gfh = g_new0(GuestFileHandle, 1);
112 gfh->id = handle;
113 gfh->fh = fh;
114 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
115
116 return handle;
117 }
118
119 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
120 {
121 GuestFileHandle *gfh;
122 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
123 if (gfh->id == id) {
124 return gfh;
125 }
126 }
127 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
128 return NULL;
129 }
130
131 static void handle_set_nonblocking(HANDLE fh)
132 {
133 DWORD file_type, pipe_state;
134 file_type = GetFileType(fh);
135 if (file_type != FILE_TYPE_PIPE) {
136 return;
137 }
138 /* If file_type == FILE_TYPE_PIPE, according to MSDN
139 * the specified file is socket or named pipe */
140 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
141 NULL, NULL, NULL, 0)) {
142 return;
143 }
144 /* The fd is named pipe fd */
145 if (pipe_state & PIPE_NOWAIT) {
146 return;
147 }
148
149 pipe_state |= PIPE_NOWAIT;
150 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
151 }
152
153 int64_t qmp_guest_file_open(const char *path, bool has_mode,
154 const char *mode, Error **errp)
155 {
156 int64_t fd;
157 HANDLE fh;
158 HANDLE templ_file = NULL;
159 DWORD share_mode = FILE_SHARE_READ;
160 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
161 LPSECURITY_ATTRIBUTES sa_attr = NULL;
162 OpenFlags *guest_flags;
163
164 if (!has_mode) {
165 mode = "r";
166 }
167 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
168 guest_flags = find_open_flag(mode);
169 if (guest_flags == NULL) {
170 error_setg(errp, "invalid file open mode");
171 return -1;
172 }
173
174 fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr,
175 guest_flags->creation_disposition, flags_and_attr,
176 templ_file);
177 if (fh == INVALID_HANDLE_VALUE) {
178 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
179 path);
180 return -1;
181 }
182
183 /* set fd non-blocking to avoid common use cases (like reading from a
184 * named pipe) from hanging the agent
185 */
186 handle_set_nonblocking(fh);
187
188 fd = guest_file_handle_add(fh, errp);
189 if (fd < 0) {
190 CloseHandle(fh);
191 error_setg(errp, "failed to add handle to qmp handle table");
192 return -1;
193 }
194
195 slog("guest-file-open, handle: % " PRId64, fd);
196 return fd;
197 }
198
199 void qmp_guest_file_close(int64_t handle, Error **errp)
200 {
201 bool ret;
202 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
203 slog("guest-file-close called, handle: %" PRId64, handle);
204 if (gfh == NULL) {
205 return;
206 }
207 ret = CloseHandle(gfh->fh);
208 if (!ret) {
209 error_setg_win32(errp, GetLastError(), "failed close handle");
210 return;
211 }
212
213 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
214 g_free(gfh);
215 }
216
217 static void acquire_privilege(const char *name, Error **errp)
218 {
219 HANDLE token = NULL;
220 TOKEN_PRIVILEGES priv;
221 Error *local_err = NULL;
222
223 if (OpenProcessToken(GetCurrentProcess(),
224 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
225 {
226 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
227 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
228 "no luid for requested privilege");
229 goto out;
230 }
231
232 priv.PrivilegeCount = 1;
233 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
234
235 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
236 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
237 "unable to acquire requested privilege");
238 goto out;
239 }
240
241 } else {
242 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
243 "failed to open privilege token");
244 }
245
246 out:
247 if (token) {
248 CloseHandle(token);
249 }
250 if (local_err) {
251 error_propagate(errp, local_err);
252 }
253 }
254
255 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
256 Error **errp)
257 {
258 Error *local_err = NULL;
259
260 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
261 if (!thread) {
262 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
263 "failed to dispatch asynchronous command");
264 error_propagate(errp, local_err);
265 }
266 }
267
268 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
269 {
270 Error *local_err = NULL;
271 UINT shutdown_flag = EWX_FORCE;
272
273 slog("guest-shutdown called, mode: %s", mode);
274
275 if (!has_mode || strcmp(mode, "powerdown") == 0) {
276 shutdown_flag |= EWX_POWEROFF;
277 } else if (strcmp(mode, "halt") == 0) {
278 shutdown_flag |= EWX_SHUTDOWN;
279 } else if (strcmp(mode, "reboot") == 0) {
280 shutdown_flag |= EWX_REBOOT;
281 } else {
282 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
283 "halt|powerdown|reboot");
284 return;
285 }
286
287 /* Request a shutdown privilege, but try to shut down the system
288 anyway. */
289 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
290 if (local_err) {
291 error_propagate(errp, local_err);
292 return;
293 }
294
295 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
296 slog("guest-shutdown failed: %lu", GetLastError());
297 error_setg(errp, QERR_UNDEFINED_ERROR);
298 }
299 }
300
301 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
302 int64_t count, Error **errp)
303 {
304 GuestFileRead *read_data = NULL;
305 guchar *buf;
306 HANDLE fh;
307 bool is_ok;
308 DWORD read_count;
309 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
310
311 if (!gfh) {
312 return NULL;
313 }
314 if (!has_count) {
315 count = QGA_READ_COUNT_DEFAULT;
316 } else if (count < 0) {
317 error_setg(errp, "value '%" PRId64
318 "' is invalid for argument count", count);
319 return NULL;
320 }
321
322 fh = gfh->fh;
323 buf = g_malloc0(count+1);
324 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
325 if (!is_ok) {
326 error_setg_win32(errp, GetLastError(), "failed to read file");
327 slog("guest-file-read failed, handle %" PRId64, handle);
328 } else {
329 buf[read_count] = 0;
330 read_data = g_new0(GuestFileRead, 1);
331 read_data->count = (size_t)read_count;
332 read_data->eof = read_count == 0;
333
334 if (read_count != 0) {
335 read_data->buf_b64 = g_base64_encode(buf, read_count);
336 }
337 }
338 g_free(buf);
339
340 return read_data;
341 }
342
343 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
344 bool has_count, int64_t count,
345 Error **errp)
346 {
347 GuestFileWrite *write_data = NULL;
348 guchar *buf;
349 gsize buf_len;
350 bool is_ok;
351 DWORD write_count;
352 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
353 HANDLE fh;
354
355 if (!gfh) {
356 return NULL;
357 }
358 fh = gfh->fh;
359 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
360 if (!buf) {
361 return NULL;
362 }
363
364 if (!has_count) {
365 count = buf_len;
366 } else if (count < 0 || count > buf_len) {
367 error_setg(errp, "value '%" PRId64
368 "' is invalid for argument count", count);
369 goto done;
370 }
371
372 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
373 if (!is_ok) {
374 error_setg_win32(errp, GetLastError(), "failed to write to file");
375 slog("guest-file-write-failed, handle: %" PRId64, handle);
376 } else {
377 write_data = g_new0(GuestFileWrite, 1);
378 write_data->count = (size_t) write_count;
379 }
380
381 done:
382 g_free(buf);
383 return write_data;
384 }
385
386 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
387 GuestFileWhence *whence_code,
388 Error **errp)
389 {
390 GuestFileHandle *gfh;
391 GuestFileSeek *seek_data;
392 HANDLE fh;
393 LARGE_INTEGER new_pos, off_pos;
394 off_pos.QuadPart = offset;
395 BOOL res;
396 int whence;
397 Error *err = NULL;
398
399 gfh = guest_file_handle_find(handle, errp);
400 if (!gfh) {
401 return NULL;
402 }
403
404 /* We stupidly exposed 'whence':'int' in our qapi */
405 whence = ga_parse_whence(whence_code, &err);
406 if (err) {
407 error_propagate(errp, err);
408 return NULL;
409 }
410
411 fh = gfh->fh;
412 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
413 if (!res) {
414 error_setg_win32(errp, GetLastError(), "failed to seek file");
415 return NULL;
416 }
417 seek_data = g_new0(GuestFileSeek, 1);
418 seek_data->position = new_pos.QuadPart;
419 return seek_data;
420 }
421
422 void qmp_guest_file_flush(int64_t handle, Error **errp)
423 {
424 HANDLE fh;
425 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
426 if (!gfh) {
427 return;
428 }
429
430 fh = gfh->fh;
431 if (!FlushFileBuffers(fh)) {
432 error_setg_win32(errp, GetLastError(), "failed to flush file");
433 }
434 }
435
436 #ifdef CONFIG_QGA_NTDDSCSI
437
438 static STORAGE_BUS_TYPE win2qemu[] = {
439 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
440 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
441 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
442 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
443 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
444 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
445 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
446 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
447 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
448 #if (_WIN32_WINNT >= 0x0600)
449 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
450 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
451 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
452 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
453 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
454 #endif
455 #if (_WIN32_WINNT >= 0x0601)
456 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
457 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
458 #endif
459 };
460
461 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
462 {
463 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
464 return GUEST_DISK_BUS_TYPE_UNKNOWN;
465 }
466 return win2qemu[(int)bus];
467 }
468
469 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
470 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
471 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
472
473 static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
474 {
475 HDEVINFO dev_info;
476 SP_DEVINFO_DATA dev_info_data;
477 DWORD size = 0;
478 int i;
479 char dev_name[MAX_PATH];
480 char *buffer = NULL;
481 GuestPCIAddress *pci = NULL;
482 char *name = g_strdup(&guid[4]);
483
484 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
485 error_setg_win32(errp, GetLastError(), "failed to get dos device name");
486 goto out;
487 }
488
489 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
490 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
491 if (dev_info == INVALID_HANDLE_VALUE) {
492 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
493 goto out;
494 }
495
496 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
497 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
498 DWORD addr, bus, slot, func, dev, data, size2;
499 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
500 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
501 &data, (PBYTE)buffer, size,
502 &size2)) {
503 size = MAX(size, size2);
504 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
505 g_free(buffer);
506 /* Double the size to avoid problems on
507 * W2k MBCS systems per KB 888609.
508 * https://support.microsoft.com/en-us/kb/259695 */
509 buffer = g_malloc(size * 2);
510 } else {
511 error_setg_win32(errp, GetLastError(),
512 "failed to get device name");
513 goto out;
514 }
515 }
516
517 if (g_strcmp0(buffer, dev_name)) {
518 continue;
519 }
520
521 /* There is no need to allocate buffer in the next functions. The size
522 * is known and ULONG according to
523 * https://support.microsoft.com/en-us/kb/253232
524 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
525 */
526 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
527 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
528 break;
529 }
530
531 /* The function retrieves the device's address. This value will be
532 * transformed into device function and number */
533 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
534 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
535 break;
536 }
537
538 /* This call returns UINumber of DEVICE_CAPABILITIES structure.
539 * This number is typically a user-perceived slot number. */
540 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
541 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
542 break;
543 }
544
545 /* SetupApi gives us the same information as driver with
546 * IoGetDeviceProperty. According to Microsoft
547 * https://support.microsoft.com/en-us/kb/253232
548 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
549 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
550 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
551
552 func = addr & 0x0000FFFF;
553 dev = (addr >> 16) & 0x0000FFFF;
554 pci = g_malloc0(sizeof(*pci));
555 pci->domain = dev;
556 pci->slot = slot;
557 pci->function = func;
558 pci->bus = bus;
559 break;
560 }
561 out:
562 g_free(buffer);
563 g_free(name);
564 return pci;
565 }
566
567 static int get_disk_bus_type(HANDLE vol_h, Error **errp)
568 {
569 STORAGE_PROPERTY_QUERY query;
570 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
571 DWORD received;
572
573 dev_desc = &buf;
574 dev_desc->Size = sizeof(buf);
575 query.PropertyId = StorageDeviceProperty;
576 query.QueryType = PropertyStandardQuery;
577
578 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
579 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
580 dev_desc->Size, &received, NULL)) {
581 error_setg_win32(errp, GetLastError(), "failed to get bus type");
582 return -1;
583 }
584
585 return dev_desc->BusType;
586 }
587
588 /* VSS provider works with volumes, thus there is no difference if
589 * the volume consist of spanned disks. Info about the first disk in the
590 * volume is returned for the spanned disk group (LVM) */
591 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
592 {
593 GuestDiskAddressList *list = NULL;
594 GuestDiskAddress *disk;
595 SCSI_ADDRESS addr, *scsi_ad;
596 DWORD len;
597 int bus;
598 HANDLE vol_h;
599
600 scsi_ad = &addr;
601 char *name = g_strndup(guid, strlen(guid)-1);
602
603 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
604 0, NULL);
605 if (vol_h == INVALID_HANDLE_VALUE) {
606 error_setg_win32(errp, GetLastError(), "failed to open volume");
607 goto out_free;
608 }
609
610 bus = get_disk_bus_type(vol_h, errp);
611 if (bus < 0) {
612 goto out_close;
613 }
614
615 disk = g_malloc0(sizeof(*disk));
616 disk->bus_type = find_bus_type(bus);
617 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID
618 #if (_WIN32_WINNT >= 0x0600)
619 /* This bus type is not supported before Windows Server 2003 SP1 */
620 || bus == BusTypeSas
621 #endif
622 ) {
623 /* We are able to use the same ioctls for different bus types
624 * according to Microsoft docs
625 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
626 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
627 sizeof(SCSI_ADDRESS), &len, NULL)) {
628 disk->unit = addr.Lun;
629 disk->target = addr.TargetId;
630 disk->bus = addr.PathId;
631 disk->pci_controller = get_pci_info(name, errp);
632 }
633 /* We do not set error in this case, because we still have enough
634 * information about volume. */
635 } else {
636 disk->pci_controller = NULL;
637 }
638
639 list = g_malloc0(sizeof(*list));
640 list->value = disk;
641 list->next = NULL;
642 out_close:
643 CloseHandle(vol_h);
644 out_free:
645 g_free(name);
646 return list;
647 }
648
649 #else
650
651 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
652 {
653 return NULL;
654 }
655
656 #endif /* CONFIG_QGA_NTDDSCSI */
657
658 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
659 {
660 DWORD info_size;
661 char mnt, *mnt_point;
662 char fs_name[32];
663 char vol_info[MAX_PATH+1];
664 size_t len;
665 GuestFilesystemInfo *fs = NULL;
666
667 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
668 if (GetLastError() != ERROR_MORE_DATA) {
669 error_setg_win32(errp, GetLastError(), "failed to get volume name");
670 return NULL;
671 }
672
673 mnt_point = g_malloc(info_size + 1);
674 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
675 &info_size)) {
676 error_setg_win32(errp, GetLastError(), "failed to get volume name");
677 goto free;
678 }
679
680 len = strlen(mnt_point);
681 mnt_point[len] = '\\';
682 mnt_point[len+1] = 0;
683 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
684 NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
685 if (GetLastError() != ERROR_NOT_READY) {
686 error_setg_win32(errp, GetLastError(), "failed to get volume info");
687 }
688 goto free;
689 }
690
691 fs_name[sizeof(fs_name) - 1] = 0;
692 fs = g_malloc(sizeof(*fs));
693 fs->name = g_strdup(guid);
694 if (len == 0) {
695 fs->mountpoint = g_strdup("System Reserved");
696 } else {
697 fs->mountpoint = g_strndup(mnt_point, len);
698 }
699 fs->type = g_strdup(fs_name);
700 fs->disk = build_guest_disk_info(guid, errp);
701 free:
702 g_free(mnt_point);
703 return fs;
704 }
705
706 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
707 {
708 HANDLE vol_h;
709 GuestFilesystemInfoList *new, *ret = NULL;
710 char guid[256];
711
712 vol_h = FindFirstVolume(guid, sizeof(guid));
713 if (vol_h == INVALID_HANDLE_VALUE) {
714 error_setg_win32(errp, GetLastError(), "failed to find any volume");
715 return NULL;
716 }
717
718 do {
719 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
720 if (info == NULL) {
721 continue;
722 }
723 new = g_malloc(sizeof(*ret));
724 new->value = info;
725 new->next = ret;
726 ret = new;
727 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
728
729 if (GetLastError() != ERROR_NO_MORE_FILES) {
730 error_setg_win32(errp, GetLastError(), "failed to find next volume");
731 }
732
733 FindVolumeClose(vol_h);
734 return ret;
735 }
736
737 /*
738 * Return status of freeze/thaw
739 */
740 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
741 {
742 if (!vss_initialized()) {
743 error_setg(errp, QERR_UNSUPPORTED);
744 return 0;
745 }
746
747 if (ga_is_frozen(ga_state)) {
748 return GUEST_FSFREEZE_STATUS_FROZEN;
749 }
750
751 return GUEST_FSFREEZE_STATUS_THAWED;
752 }
753
754 /*
755 * Freeze local file systems using Volume Shadow-copy Service.
756 * The frozen state is limited for up to 10 seconds by VSS.
757 */
758 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
759 {
760 int i;
761 Error *local_err = NULL;
762
763 if (!vss_initialized()) {
764 error_setg(errp, QERR_UNSUPPORTED);
765 return 0;
766 }
767
768 slog("guest-fsfreeze called");
769
770 /* cannot risk guest agent blocking itself on a write in this state */
771 ga_set_frozen(ga_state);
772
773 qga_vss_fsfreeze(&i, &local_err, true);
774 if (local_err) {
775 error_propagate(errp, local_err);
776 goto error;
777 }
778
779 return i;
780
781 error:
782 local_err = NULL;
783 qmp_guest_fsfreeze_thaw(&local_err);
784 if (local_err) {
785 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
786 error_free(local_err);
787 }
788 return 0;
789 }
790
791 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
792 strList *mountpoints,
793 Error **errp)
794 {
795 error_setg(errp, QERR_UNSUPPORTED);
796
797 return 0;
798 }
799
800 /*
801 * Thaw local file systems using Volume Shadow-copy Service.
802 */
803 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
804 {
805 int i;
806
807 if (!vss_initialized()) {
808 error_setg(errp, QERR_UNSUPPORTED);
809 return 0;
810 }
811
812 qga_vss_fsfreeze(&i, errp, false);
813
814 ga_unset_frozen(ga_state);
815 return i;
816 }
817
818 static void guest_fsfreeze_cleanup(void)
819 {
820 Error *err = NULL;
821
822 if (!vss_initialized()) {
823 return;
824 }
825
826 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
827 qmp_guest_fsfreeze_thaw(&err);
828 if (err) {
829 slog("failed to clean up frozen filesystems: %s",
830 error_get_pretty(err));
831 error_free(err);
832 }
833 }
834
835 vss_deinit(true);
836 }
837
838 /*
839 * Walk list of mounted file systems in the guest, and discard unused
840 * areas.
841 */
842 GuestFilesystemTrimResponse *
843 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
844 {
845 error_setg(errp, QERR_UNSUPPORTED);
846 return NULL;
847 }
848
849 typedef enum {
850 GUEST_SUSPEND_MODE_DISK,
851 GUEST_SUSPEND_MODE_RAM
852 } GuestSuspendMode;
853
854 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
855 {
856 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
857 Error *local_err = NULL;
858
859 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
860 if (!GetPwrCapabilities(&sys_pwr_caps)) {
861 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
862 "failed to determine guest suspend capabilities");
863 goto out;
864 }
865
866 switch (mode) {
867 case GUEST_SUSPEND_MODE_DISK:
868 if (!sys_pwr_caps.SystemS4) {
869 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
870 "suspend-to-disk not supported by OS");
871 }
872 break;
873 case GUEST_SUSPEND_MODE_RAM:
874 if (!sys_pwr_caps.SystemS3) {
875 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
876 "suspend-to-ram not supported by OS");
877 }
878 break;
879 default:
880 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
881 "GuestSuspendMode");
882 }
883
884 out:
885 if (local_err) {
886 error_propagate(errp, local_err);
887 }
888 }
889
890 static DWORD WINAPI do_suspend(LPVOID opaque)
891 {
892 GuestSuspendMode *mode = opaque;
893 DWORD ret = 0;
894
895 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
896 slog("failed to suspend guest, %lu", GetLastError());
897 ret = -1;
898 }
899 g_free(mode);
900 return ret;
901 }
902
903 void qmp_guest_suspend_disk(Error **errp)
904 {
905 Error *local_err = NULL;
906 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
907
908 *mode = GUEST_SUSPEND_MODE_DISK;
909 check_suspend_mode(*mode, &local_err);
910 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
911 execute_async(do_suspend, mode, &local_err);
912
913 if (local_err) {
914 error_propagate(errp, local_err);
915 g_free(mode);
916 }
917 }
918
919 void qmp_guest_suspend_ram(Error **errp)
920 {
921 Error *local_err = NULL;
922 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
923
924 *mode = GUEST_SUSPEND_MODE_RAM;
925 check_suspend_mode(*mode, &local_err);
926 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
927 execute_async(do_suspend, mode, &local_err);
928
929 if (local_err) {
930 error_propagate(errp, local_err);
931 g_free(mode);
932 }
933 }
934
935 void qmp_guest_suspend_hybrid(Error **errp)
936 {
937 error_setg(errp, QERR_UNSUPPORTED);
938 }
939
940 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
941 {
942 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
943 ULONG adptr_addrs_len = 0;
944 DWORD ret;
945
946 /* Call the first time to get the adptr_addrs_len. */
947 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
948 NULL, adptr_addrs, &adptr_addrs_len);
949
950 adptr_addrs = g_malloc(adptr_addrs_len);
951 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
952 NULL, adptr_addrs, &adptr_addrs_len);
953 if (ret != ERROR_SUCCESS) {
954 error_setg_win32(errp, ret, "failed to get adapters addresses");
955 g_free(adptr_addrs);
956 adptr_addrs = NULL;
957 }
958 return adptr_addrs;
959 }
960
961 static char *guest_wctomb_dup(WCHAR *wstr)
962 {
963 char *str;
964 size_t i;
965
966 i = wcslen(wstr) + 1;
967 str = g_malloc(i);
968 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
969 wstr, -1, str, i, NULL, NULL);
970 return str;
971 }
972
973 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
974 Error **errp)
975 {
976 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
977 DWORD len;
978 int ret;
979
980 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
981 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
982 len = sizeof(addr_str);
983 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
984 ip_addr->Address.iSockaddrLength,
985 NULL,
986 addr_str,
987 &len);
988 if (ret != 0) {
989 error_setg_win32(errp, WSAGetLastError(),
990 "failed address presentation form conversion");
991 return NULL;
992 }
993 return g_strdup(addr_str);
994 }
995 return NULL;
996 }
997
998 #if (_WIN32_WINNT >= 0x0600)
999 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1000 {
1001 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1002 * field to obtain the prefix.
1003 */
1004 return ip_addr->OnLinkPrefixLength;
1005 }
1006 #else
1007 /* When using the Windows XP and 2003 build environment, do the best we can to
1008 * figure out the prefix.
1009 */
1010 static IP_ADAPTER_INFO *guest_get_adapters_info(void)
1011 {
1012 IP_ADAPTER_INFO *adptr_info = NULL;
1013 ULONG adptr_info_len = 0;
1014 DWORD ret;
1015
1016 /* Call the first time to get the adptr_info_len. */
1017 GetAdaptersInfo(adptr_info, &adptr_info_len);
1018
1019 adptr_info = g_malloc(adptr_info_len);
1020 ret = GetAdaptersInfo(adptr_info, &adptr_info_len);
1021 if (ret != ERROR_SUCCESS) {
1022 g_free(adptr_info);
1023 adptr_info = NULL;
1024 }
1025 return adptr_info;
1026 }
1027
1028 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1029 {
1030 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */
1031 IP_ADAPTER_INFO *adptr_info, *info;
1032 IP_ADDR_STRING *ip;
1033 struct in_addr *p;
1034
1035 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) {
1036 return prefix;
1037 }
1038 adptr_info = guest_get_adapters_info();
1039 if (adptr_info == NULL) {
1040 return prefix;
1041 }
1042
1043 /* Match up the passed in ip_addr with one found in adaptr_info.
1044 * The matching one in adptr_info will have the netmask.
1045 */
1046 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr;
1047 for (info = adptr_info; info; info = info->Next) {
1048 for (ip = &info->IpAddressList; ip; ip = ip->Next) {
1049 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) {
1050 prefix = ctpop32(inet_addr(ip->IpMask.String));
1051 goto out;
1052 }
1053 }
1054 }
1055 out:
1056 g_free(adptr_info);
1057 return prefix;
1058 }
1059 #endif
1060
1061 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1062 {
1063 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1064 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1065 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1066 GuestIpAddressList *head_addr, *cur_addr;
1067 GuestNetworkInterfaceList *info;
1068 GuestIpAddressList *address_item = NULL;
1069 unsigned char *mac_addr;
1070 char *addr_str;
1071 WORD wsa_version;
1072 WSADATA wsa_data;
1073 int ret;
1074
1075 adptr_addrs = guest_get_adapters_addresses(errp);
1076 if (adptr_addrs == NULL) {
1077 return NULL;
1078 }
1079
1080 /* Make WSA APIs available. */
1081 wsa_version = MAKEWORD(2, 2);
1082 ret = WSAStartup(wsa_version, &wsa_data);
1083 if (ret != 0) {
1084 error_setg_win32(errp, ret, "failed socket startup");
1085 goto out;
1086 }
1087
1088 for (addr = adptr_addrs; addr; addr = addr->Next) {
1089 info = g_malloc0(sizeof(*info));
1090
1091 if (cur_item == NULL) {
1092 head = cur_item = info;
1093 } else {
1094 cur_item->next = info;
1095 cur_item = info;
1096 }
1097
1098 info->value = g_malloc0(sizeof(*info->value));
1099 info->value->name = guest_wctomb_dup(addr->FriendlyName);
1100
1101 if (addr->PhysicalAddressLength != 0) {
1102 mac_addr = addr->PhysicalAddress;
1103
1104 info->value->hardware_address =
1105 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1106 (int) mac_addr[0], (int) mac_addr[1],
1107 (int) mac_addr[2], (int) mac_addr[3],
1108 (int) mac_addr[4], (int) mac_addr[5]);
1109
1110 info->value->has_hardware_address = true;
1111 }
1112
1113 head_addr = NULL;
1114 cur_addr = NULL;
1115 for (ip_addr = addr->FirstUnicastAddress;
1116 ip_addr;
1117 ip_addr = ip_addr->Next) {
1118 addr_str = guest_addr_to_str(ip_addr, errp);
1119 if (addr_str == NULL) {
1120 continue;
1121 }
1122
1123 address_item = g_malloc0(sizeof(*address_item));
1124
1125 if (!cur_addr) {
1126 head_addr = cur_addr = address_item;
1127 } else {
1128 cur_addr->next = address_item;
1129 cur_addr = address_item;
1130 }
1131
1132 address_item->value = g_malloc0(sizeof(*address_item->value));
1133 address_item->value->ip_address = addr_str;
1134 address_item->value->prefix = guest_ip_prefix(ip_addr);
1135 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1136 address_item->value->ip_address_type =
1137 GUEST_IP_ADDRESS_TYPE_IPV4;
1138 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1139 address_item->value->ip_address_type =
1140 GUEST_IP_ADDRESS_TYPE_IPV6;
1141 }
1142 }
1143 if (head_addr) {
1144 info->value->has_ip_addresses = true;
1145 info->value->ip_addresses = head_addr;
1146 }
1147 }
1148 WSACleanup();
1149 out:
1150 g_free(adptr_addrs);
1151 return head;
1152 }
1153
1154 int64_t qmp_guest_get_time(Error **errp)
1155 {
1156 SYSTEMTIME ts = {0};
1157 int64_t time_ns;
1158 FILETIME tf;
1159
1160 GetSystemTime(&ts);
1161 if (ts.wYear < 1601 || ts.wYear > 30827) {
1162 error_setg(errp, "Failed to get time");
1163 return -1;
1164 }
1165
1166 if (!SystemTimeToFileTime(&ts, &tf)) {
1167 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1168 return -1;
1169 }
1170
1171 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1172 - W32_FT_OFFSET) * 100;
1173
1174 return time_ns;
1175 }
1176
1177 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1178 {
1179 Error *local_err = NULL;
1180 SYSTEMTIME ts;
1181 FILETIME tf;
1182 LONGLONG time;
1183
1184 if (!has_time) {
1185 /* Unfortunately, Windows libraries don't provide an easy way to access
1186 * RTC yet:
1187 *
1188 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1189 */
1190 error_setg(errp, "Time argument is required on this platform");
1191 return;
1192 }
1193
1194 /* Validate time passed by user. */
1195 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1196 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1197 return;
1198 }
1199
1200 time = time_ns / 100 + W32_FT_OFFSET;
1201
1202 tf.dwLowDateTime = (DWORD) time;
1203 tf.dwHighDateTime = (DWORD) (time >> 32);
1204
1205 if (!FileTimeToSystemTime(&tf, &ts)) {
1206 error_setg(errp, "Failed to convert system time %d",
1207 (int)GetLastError());
1208 return;
1209 }
1210
1211 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1212 if (local_err) {
1213 error_propagate(errp, local_err);
1214 return;
1215 }
1216
1217 if (!SetSystemTime(&ts)) {
1218 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1219 return;
1220 }
1221 }
1222
1223 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1224 {
1225 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1226 DWORD length;
1227 GuestLogicalProcessorList *head, **link;
1228 Error *local_err = NULL;
1229 int64_t current;
1230
1231 ptr = pslpi = NULL;
1232 length = 0;
1233 current = 0;
1234 head = NULL;
1235 link = &head;
1236
1237 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1238 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1239 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1240 ptr = pslpi = g_malloc0(length);
1241 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1242 error_setg(&local_err, "Failed to get processor information: %d",
1243 (int)GetLastError());
1244 }
1245 } else {
1246 error_setg(&local_err,
1247 "Failed to get processor information buffer length: %d",
1248 (int)GetLastError());
1249 }
1250
1251 while ((local_err == NULL) && (length > 0)) {
1252 if (pslpi->Relationship == RelationProcessorCore) {
1253 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1254
1255 while (cpu_bits > 0) {
1256 if (!!(cpu_bits & 1)) {
1257 GuestLogicalProcessor *vcpu;
1258 GuestLogicalProcessorList *entry;
1259
1260 vcpu = g_malloc0(sizeof *vcpu);
1261 vcpu->logical_id = current++;
1262 vcpu->online = true;
1263 vcpu->has_can_offline = false;
1264
1265 entry = g_malloc0(sizeof *entry);
1266 entry->value = vcpu;
1267
1268 *link = entry;
1269 link = &entry->next;
1270 }
1271 cpu_bits >>= 1;
1272 }
1273 }
1274 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1275 pslpi++; /* next entry */
1276 }
1277
1278 g_free(ptr);
1279
1280 if (local_err == NULL) {
1281 if (head != NULL) {
1282 return head;
1283 }
1284 /* there's no guest with zero VCPUs */
1285 error_setg(&local_err, "Guest reported zero VCPUs");
1286 }
1287
1288 qapi_free_GuestLogicalProcessorList(head);
1289 error_propagate(errp, local_err);
1290 return NULL;
1291 }
1292
1293 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1294 {
1295 error_setg(errp, QERR_UNSUPPORTED);
1296 return -1;
1297 }
1298
1299 static gchar *
1300 get_net_error_message(gint error)
1301 {
1302 HMODULE module = NULL;
1303 gchar *retval = NULL;
1304 wchar_t *msg = NULL;
1305 int flags;
1306 size_t nchars;
1307
1308 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1309 FORMAT_MESSAGE_IGNORE_INSERTS |
1310 FORMAT_MESSAGE_FROM_SYSTEM;
1311
1312 if (error >= NERR_BASE && error <= MAX_NERR) {
1313 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1314
1315 if (module != NULL) {
1316 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1317 }
1318 }
1319
1320 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1321
1322 if (msg != NULL) {
1323 nchars = wcslen(msg);
1324
1325 if (nchars >= 2 &&
1326 msg[nchars - 1] == L'\n' &&
1327 msg[nchars - 2] == L'\r') {
1328 msg[nchars - 2] = L'\0';
1329 }
1330
1331 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1332
1333 LocalFree(msg);
1334 }
1335
1336 if (module != NULL) {
1337 FreeLibrary(module);
1338 }
1339
1340 return retval;
1341 }
1342
1343 void qmp_guest_set_user_password(const char *username,
1344 const char *password,
1345 bool crypted,
1346 Error **errp)
1347 {
1348 NET_API_STATUS nas;
1349 char *rawpasswddata = NULL;
1350 size_t rawpasswdlen;
1351 wchar_t *user = NULL, *wpass = NULL;
1352 USER_INFO_1003 pi1003 = { 0, };
1353 GError *gerr = NULL;
1354
1355 if (crypted) {
1356 error_setg(errp, QERR_UNSUPPORTED);
1357 return;
1358 }
1359
1360 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1361 if (!rawpasswddata) {
1362 return;
1363 }
1364 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1365 rawpasswddata[rawpasswdlen] = '\0';
1366
1367 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1368 if (!user) {
1369 goto done;
1370 }
1371
1372 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1373 if (!wpass) {
1374 goto done;
1375 }
1376
1377 pi1003.usri1003_password = wpass;
1378 nas = NetUserSetInfo(NULL, user,
1379 1003, (LPBYTE)&pi1003,
1380 NULL);
1381
1382 if (nas != NERR_Success) {
1383 gchar *msg = get_net_error_message(nas);
1384 error_setg(errp, "failed to set password: %s", msg);
1385 g_free(msg);
1386 }
1387
1388 done:
1389 if (gerr) {
1390 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1391 g_error_free(gerr);
1392 }
1393 g_free(user);
1394 g_free(wpass);
1395 g_free(rawpasswddata);
1396 }
1397
1398 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1399 {
1400 error_setg(errp, QERR_UNSUPPORTED);
1401 return NULL;
1402 }
1403
1404 GuestMemoryBlockResponseList *
1405 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1406 {
1407 error_setg(errp, QERR_UNSUPPORTED);
1408 return NULL;
1409 }
1410
1411 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1412 {
1413 error_setg(errp, QERR_UNSUPPORTED);
1414 return NULL;
1415 }
1416
1417 /* add unsupported commands to the blacklist */
1418 GList *ga_command_blacklist_init(GList *blacklist)
1419 {
1420 const char *list_unsupported[] = {
1421 "guest-suspend-hybrid",
1422 "guest-set-vcpus",
1423 "guest-get-memory-blocks", "guest-set-memory-blocks",
1424 "guest-get-memory-block-size",
1425 "guest-fsfreeze-freeze-list",
1426 "guest-fstrim", NULL};
1427 char **p = (char **)list_unsupported;
1428
1429 while (*p) {
1430 blacklist = g_list_append(blacklist, g_strdup(*p++));
1431 }
1432
1433 if (!vss_init(true)) {
1434 g_debug("vss_init failed, vss commands are going to be disabled");
1435 const char *list[] = {
1436 "guest-get-fsinfo", "guest-fsfreeze-status",
1437 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1438 p = (char **)list;
1439
1440 while (*p) {
1441 blacklist = g_list_append(blacklist, g_strdup(*p++));
1442 }
1443 }
1444
1445 return blacklist;
1446 }
1447
1448 /* register init/cleanup routines for stateful command groups */
1449 void ga_command_state_init(GAState *s, GACommandState *cs)
1450 {
1451 if (!vss_initialized()) {
1452 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1453 }
1454 }