tests/acpi: update expected data files for microvm
[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 #include "qemu/osdep.h"
14
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 #endif
25 #include <setupapi.h>
26 #include <cfgmgr32.h>
27 #include <initguid.h>
28 #include <devpropdef.h>
29 #include <lm.h>
30 #include <wtsapi32.h>
31 #include <wininet.h>
32
33 #include "guest-agent-core.h"
34 #include "vss-win32.h"
35 #include "qga-qapi-commands.h"
36 #include "qapi/error.h"
37 #include "qapi/qmp/qerror.h"
38 #include "qemu/queue.h"
39 #include "qemu/host-utils.h"
40 #include "qemu/base64.h"
41 #include "commands-common.h"
42
43 /*
44 * The following should be in devpkey.h, but it isn't. The key names were
45 * prefixed to avoid (future) name clashes. Once the definitions get into
46 * mingw the following lines can be removed.
47 */
48 DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5,
49 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10);
50 /* DEVPROP_TYPE_STRING */
51 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c,
52 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3);
53 /* DEVPROP_TYPE_STRING_LIST */
54 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
55 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2);
56 /* DEVPROP_TYPE_FILETIME */
57 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
58 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
59 /* DEVPROP_TYPE_STRING */
60 /* The following shoud be in cfgmgr32.h, but it isn't */
61 #ifndef CM_Get_DevNode_Property
62 CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
63 DEVINST dnDevInst,
64 CONST DEVPROPKEY * PropertyKey,
65 DEVPROPTYPE * PropertyType,
66 PBYTE PropertyBuffer,
67 PULONG PropertyBufferSize,
68 ULONG ulFlags
69 );
70 #define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
71 #endif
72
73 #ifndef SHTDN_REASON_FLAG_PLANNED
74 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
75 #endif
76
77 /* multiple of 100 nanoseconds elapsed between windows baseline
78 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
79 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
80 (365 * (1970 - 1601) + \
81 (1970 - 1601) / 4 - 3))
82
83 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
84
85 struct GuestFileHandle {
86 int64_t id;
87 HANDLE fh;
88 QTAILQ_ENTRY(GuestFileHandle) next;
89 };
90
91 static struct {
92 QTAILQ_HEAD(, GuestFileHandle) filehandles;
93 } guest_file_state = {
94 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
95 };
96
97 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
98
99 typedef struct OpenFlags {
100 const char *forms;
101 DWORD desired_access;
102 DWORD creation_disposition;
103 } OpenFlags;
104 static OpenFlags guest_file_open_modes[] = {
105 {"r", GENERIC_READ, OPEN_EXISTING},
106 {"rb", GENERIC_READ, OPEN_EXISTING},
107 {"w", GENERIC_WRITE, CREATE_ALWAYS},
108 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
109 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
110 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
111 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
112 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
113 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
114 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
115 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
116 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
117 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
118 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
119 };
120
121 #define debug_error(msg) do { \
122 char *suffix = g_win32_error_message(GetLastError()); \
123 g_debug("%s: %s", (msg), suffix); \
124 g_free(suffix); \
125 } while (0)
126
127 static OpenFlags *find_open_flag(const char *mode_str)
128 {
129 int mode;
130 Error **errp = NULL;
131
132 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
133 OpenFlags *flags = guest_file_open_modes + mode;
134
135 if (strcmp(flags->forms, mode_str) == 0) {
136 return flags;
137 }
138 }
139
140 error_setg(errp, "invalid file open mode '%s'", mode_str);
141 return NULL;
142 }
143
144 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
145 {
146 GuestFileHandle *gfh;
147 int64_t handle;
148
149 handle = ga_get_fd_handle(ga_state, errp);
150 if (handle < 0) {
151 return -1;
152 }
153 gfh = g_new0(GuestFileHandle, 1);
154 gfh->id = handle;
155 gfh->fh = fh;
156 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
157
158 return handle;
159 }
160
161 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
162 {
163 GuestFileHandle *gfh;
164 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
165 if (gfh->id == id) {
166 return gfh;
167 }
168 }
169 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
170 return NULL;
171 }
172
173 static void handle_set_nonblocking(HANDLE fh)
174 {
175 DWORD file_type, pipe_state;
176 file_type = GetFileType(fh);
177 if (file_type != FILE_TYPE_PIPE) {
178 return;
179 }
180 /* If file_type == FILE_TYPE_PIPE, according to MSDN
181 * the specified file is socket or named pipe */
182 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
183 NULL, NULL, NULL, 0)) {
184 return;
185 }
186 /* The fd is named pipe fd */
187 if (pipe_state & PIPE_NOWAIT) {
188 return;
189 }
190
191 pipe_state |= PIPE_NOWAIT;
192 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
193 }
194
195 int64_t qmp_guest_file_open(const char *path, bool has_mode,
196 const char *mode, Error **errp)
197 {
198 int64_t fd = -1;
199 HANDLE fh;
200 HANDLE templ_file = NULL;
201 DWORD share_mode = FILE_SHARE_READ;
202 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
203 LPSECURITY_ATTRIBUTES sa_attr = NULL;
204 OpenFlags *guest_flags;
205 GError *gerr = NULL;
206 wchar_t *w_path = NULL;
207
208 if (!has_mode) {
209 mode = "r";
210 }
211 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
212 guest_flags = find_open_flag(mode);
213 if (guest_flags == NULL) {
214 error_setg(errp, "invalid file open mode");
215 goto done;
216 }
217
218 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
219 if (!w_path) {
220 goto done;
221 }
222
223 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr,
224 guest_flags->creation_disposition, flags_and_attr,
225 templ_file);
226 if (fh == INVALID_HANDLE_VALUE) {
227 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
228 path);
229 goto done;
230 }
231
232 /* set fd non-blocking to avoid common use cases (like reading from a
233 * named pipe) from hanging the agent
234 */
235 handle_set_nonblocking(fh);
236
237 fd = guest_file_handle_add(fh, errp);
238 if (fd < 0) {
239 CloseHandle(fh);
240 error_setg(errp, "failed to add handle to qmp handle table");
241 goto done;
242 }
243
244 slog("guest-file-open, handle: % " PRId64, fd);
245
246 done:
247 if (gerr) {
248 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
249 g_error_free(gerr);
250 }
251 g_free(w_path);
252 return fd;
253 }
254
255 void qmp_guest_file_close(int64_t handle, Error **errp)
256 {
257 bool ret;
258 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
259 slog("guest-file-close called, handle: %" PRId64, handle);
260 if (gfh == NULL) {
261 return;
262 }
263 ret = CloseHandle(gfh->fh);
264 if (!ret) {
265 error_setg_win32(errp, GetLastError(), "failed close handle");
266 return;
267 }
268
269 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
270 g_free(gfh);
271 }
272
273 static void acquire_privilege(const char *name, Error **errp)
274 {
275 HANDLE token = NULL;
276 TOKEN_PRIVILEGES priv;
277 Error *local_err = NULL;
278
279 if (OpenProcessToken(GetCurrentProcess(),
280 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
281 {
282 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
283 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
284 "no luid for requested privilege");
285 goto out;
286 }
287
288 priv.PrivilegeCount = 1;
289 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
290
291 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
292 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
293 "unable to acquire requested privilege");
294 goto out;
295 }
296
297 } else {
298 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
299 "failed to open privilege token");
300 }
301
302 out:
303 if (token) {
304 CloseHandle(token);
305 }
306 error_propagate(errp, local_err);
307 }
308
309 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
310 Error **errp)
311 {
312 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
313 if (!thread) {
314 error_setg(errp, QERR_QGA_COMMAND_FAILED,
315 "failed to dispatch asynchronous command");
316 }
317 }
318
319 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
320 {
321 Error *local_err = NULL;
322 UINT shutdown_flag = EWX_FORCE;
323
324 slog("guest-shutdown called, mode: %s", mode);
325
326 if (!has_mode || strcmp(mode, "powerdown") == 0) {
327 shutdown_flag |= EWX_POWEROFF;
328 } else if (strcmp(mode, "halt") == 0) {
329 shutdown_flag |= EWX_SHUTDOWN;
330 } else if (strcmp(mode, "reboot") == 0) {
331 shutdown_flag |= EWX_REBOOT;
332 } else {
333 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
334 "halt|powerdown|reboot");
335 return;
336 }
337
338 /* Request a shutdown privilege, but try to shut down the system
339 anyway. */
340 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
341 if (local_err) {
342 error_propagate(errp, local_err);
343 return;
344 }
345
346 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
347 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
348 slog("guest-shutdown failed: %s", emsg);
349 error_setg_win32(errp, GetLastError(), "guest-shutdown failed");
350 }
351 }
352
353 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
354 int64_t count, Error **errp)
355 {
356 GuestFileRead *read_data = NULL;
357 guchar *buf;
358 HANDLE fh = gfh->fh;
359 bool is_ok;
360 DWORD read_count;
361
362 buf = g_malloc0(count + 1);
363 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
364 if (!is_ok) {
365 error_setg_win32(errp, GetLastError(), "failed to read file");
366 } else {
367 buf[read_count] = 0;
368 read_data = g_new0(GuestFileRead, 1);
369 read_data->count = (size_t)read_count;
370 read_data->eof = read_count == 0;
371
372 if (read_count != 0) {
373 read_data->buf_b64 = g_base64_encode(buf, read_count);
374 }
375 }
376 g_free(buf);
377
378 return read_data;
379 }
380
381 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
382 bool has_count, int64_t count,
383 Error **errp)
384 {
385 GuestFileWrite *write_data = NULL;
386 guchar *buf;
387 gsize buf_len;
388 bool is_ok;
389 DWORD write_count;
390 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
391 HANDLE fh;
392
393 if (!gfh) {
394 return NULL;
395 }
396 fh = gfh->fh;
397 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
398 if (!buf) {
399 return NULL;
400 }
401
402 if (!has_count) {
403 count = buf_len;
404 } else if (count < 0 || count > buf_len) {
405 error_setg(errp, "value '%" PRId64
406 "' is invalid for argument count", count);
407 goto done;
408 }
409
410 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
411 if (!is_ok) {
412 error_setg_win32(errp, GetLastError(), "failed to write to file");
413 slog("guest-file-write-failed, handle: %" PRId64, handle);
414 } else {
415 write_data = g_new0(GuestFileWrite, 1);
416 write_data->count = (size_t) write_count;
417 }
418
419 done:
420 g_free(buf);
421 return write_data;
422 }
423
424 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
425 GuestFileWhence *whence_code,
426 Error **errp)
427 {
428 GuestFileHandle *gfh;
429 GuestFileSeek *seek_data;
430 HANDLE fh;
431 LARGE_INTEGER new_pos, off_pos;
432 off_pos.QuadPart = offset;
433 BOOL res;
434 int whence;
435 Error *err = NULL;
436
437 gfh = guest_file_handle_find(handle, errp);
438 if (!gfh) {
439 return NULL;
440 }
441
442 /* We stupidly exposed 'whence':'int' in our qapi */
443 whence = ga_parse_whence(whence_code, &err);
444 if (err) {
445 error_propagate(errp, err);
446 return NULL;
447 }
448
449 fh = gfh->fh;
450 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
451 if (!res) {
452 error_setg_win32(errp, GetLastError(), "failed to seek file");
453 return NULL;
454 }
455 seek_data = g_new0(GuestFileSeek, 1);
456 seek_data->position = new_pos.QuadPart;
457 return seek_data;
458 }
459
460 void qmp_guest_file_flush(int64_t handle, Error **errp)
461 {
462 HANDLE fh;
463 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
464 if (!gfh) {
465 return;
466 }
467
468 fh = gfh->fh;
469 if (!FlushFileBuffers(fh)) {
470 error_setg_win32(errp, GetLastError(), "failed to flush file");
471 }
472 }
473
474 #ifdef CONFIG_QGA_NTDDSCSI
475
476 static GuestDiskBusType win2qemu[] = {
477 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
478 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
479 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
480 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
481 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
482 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
483 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
484 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
485 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
486 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
487 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
488 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
489 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
490 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
491 #if (_WIN32_WINNT >= 0x0601)
492 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
493 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
494 #endif
495 };
496
497 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
498 {
499 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
500 return GUEST_DISK_BUS_TYPE_UNKNOWN;
501 }
502 return win2qemu[(int)bus];
503 }
504
505 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
506 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
507 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
508 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
509 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
510 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
511
512 static GuestPCIAddress *get_pci_info(int number, Error **errp)
513 {
514 HDEVINFO dev_info;
515 SP_DEVINFO_DATA dev_info_data;
516 SP_DEVICE_INTERFACE_DATA dev_iface_data;
517 HANDLE dev_file;
518 int i;
519 GuestPCIAddress *pci = NULL;
520 bool partial_pci = false;
521
522 pci = g_malloc0(sizeof(*pci));
523 pci->domain = -1;
524 pci->slot = -1;
525 pci->function = -1;
526 pci->bus = -1;
527
528 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
529 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
530 if (dev_info == INVALID_HANDLE_VALUE) {
531 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
532 goto out;
533 }
534
535 g_debug("enumerating devices");
536 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
537 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
538 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
539 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
540 STORAGE_DEVICE_NUMBER sdn;
541 char *parent_dev_id = NULL;
542 HDEVINFO parent_dev_info;
543 SP_DEVINFO_DATA parent_dev_info_data;
544 DWORD j;
545 DWORD size = 0;
546
547 g_debug("getting device path");
548 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
549 &GUID_DEVINTERFACE_DISK, 0,
550 &dev_iface_data)) {
551 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
552 pdev_iface_detail_data,
553 size, &size,
554 &dev_info_data)) {
555 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
556 pdev_iface_detail_data = g_malloc(size);
557 pdev_iface_detail_data->cbSize =
558 sizeof(*pdev_iface_detail_data);
559 } else {
560 error_setg_win32(errp, GetLastError(),
561 "failed to get device interfaces");
562 goto free_dev_info;
563 }
564 }
565
566 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
567 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
568 NULL);
569 g_free(pdev_iface_detail_data);
570
571 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
572 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
573 CloseHandle(dev_file);
574 error_setg_win32(errp, GetLastError(),
575 "failed to get device slot number");
576 goto free_dev_info;
577 }
578
579 CloseHandle(dev_file);
580 if (sdn.DeviceNumber != number) {
581 continue;
582 }
583 } else {
584 error_setg_win32(errp, GetLastError(),
585 "failed to get device interfaces");
586 goto free_dev_info;
587 }
588
589 g_debug("found device slot %d. Getting storage controller", number);
590 {
591 CONFIGRET cr;
592 DEVINST dev_inst, parent_dev_inst;
593 ULONG dev_id_size = 0;
594
595 size = 0;
596 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
597 parent_dev_id, size, &size)) {
598 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
599 parent_dev_id = g_malloc(size);
600 } else {
601 error_setg_win32(errp, GetLastError(),
602 "failed to get device instance ID");
603 goto out;
604 }
605 }
606
607 /*
608 * CM API used here as opposed to
609 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
610 * which exports are only available in mingw-w64 6+
611 */
612 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
613 if (cr != CR_SUCCESS) {
614 g_error("CM_Locate_DevInst failed with code %lx", cr);
615 error_setg_win32(errp, GetLastError(),
616 "failed to get device instance");
617 goto out;
618 }
619 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
620 if (cr != CR_SUCCESS) {
621 g_error("CM_Get_Parent failed with code %lx", cr);
622 error_setg_win32(errp, GetLastError(),
623 "failed to get parent device instance");
624 goto out;
625 }
626
627 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
628 if (cr != CR_SUCCESS) {
629 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
630 error_setg_win32(errp, GetLastError(),
631 "failed to get parent device ID length");
632 goto out;
633 }
634
635 ++dev_id_size;
636 if (dev_id_size > size) {
637 g_free(parent_dev_id);
638 parent_dev_id = g_malloc(dev_id_size);
639 }
640
641 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
642 0);
643 if (cr != CR_SUCCESS) {
644 g_error("CM_Get_Device_ID failed with code %lx", cr);
645 error_setg_win32(errp, GetLastError(),
646 "failed to get parent device ID");
647 goto out;
648 }
649 }
650
651 g_debug("querying storage controller %s for PCI information",
652 parent_dev_id);
653 parent_dev_info =
654 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
655 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
656 g_free(parent_dev_id);
657
658 if (parent_dev_info == INVALID_HANDLE_VALUE) {
659 error_setg_win32(errp, GetLastError(),
660 "failed to get parent device");
661 goto out;
662 }
663
664 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
665 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
666 error_setg_win32(errp, GetLastError(),
667 "failed to get parent device data");
668 goto out;
669 }
670
671 for (j = 0;
672 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data);
673 j++) {
674 DWORD addr, bus, ui_slot, type;
675 int func, slot;
676
677 /*
678 * There is no need to allocate buffer in the next functions. The
679 * size is known and ULONG according to
680 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
681 */
682 if (!SetupDiGetDeviceRegistryProperty(
683 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER,
684 &type, (PBYTE)&bus, size, NULL)) {
685 debug_error("failed to get PCI bus");
686 bus = -1;
687 partial_pci = true;
688 }
689
690 /*
691 * The function retrieves the device's address. This value will be
692 * transformed into device function and number
693 */
694 if (!SetupDiGetDeviceRegistryProperty(
695 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS,
696 &type, (PBYTE)&addr, size, NULL)) {
697 debug_error("failed to get PCI address");
698 addr = -1;
699 partial_pci = true;
700 }
701
702 /*
703 * This call returns UINumber of DEVICE_CAPABILITIES structure.
704 * This number is typically a user-perceived slot number.
705 */
706 if (!SetupDiGetDeviceRegistryProperty(
707 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER,
708 &type, (PBYTE)&ui_slot, size, NULL)) {
709 debug_error("failed to get PCI slot");
710 ui_slot = -1;
711 partial_pci = true;
712 }
713
714 /*
715 * SetupApi gives us the same information as driver with
716 * IoGetDeviceProperty. According to Microsoft:
717 *
718 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
719 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
720 * SPDRP_ADDRESS is propertyAddress, so we do the same.
721 *
722 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
723 */
724 if (partial_pci) {
725 pci->domain = -1;
726 pci->slot = -1;
727 pci->function = -1;
728 pci->bus = -1;
729 continue;
730 } else {
731 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
732 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
733 if ((int)ui_slot != slot) {
734 g_debug("mismatch with reported slot values: %d vs %d",
735 (int)ui_slot, slot);
736 }
737 pci->domain = 0;
738 pci->slot = (int)ui_slot;
739 pci->function = func;
740 pci->bus = (int)bus;
741 break;
742 }
743 }
744 SetupDiDestroyDeviceInfoList(parent_dev_info);
745 break;
746 }
747
748 free_dev_info:
749 SetupDiDestroyDeviceInfoList(dev_info);
750 out:
751 return pci;
752 }
753
754 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
755 Error **errp)
756 {
757 STORAGE_PROPERTY_QUERY query;
758 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
759 DWORD received;
760 ULONG size = sizeof(buf);
761
762 dev_desc = &buf;
763 query.PropertyId = StorageDeviceProperty;
764 query.QueryType = PropertyStandardQuery;
765
766 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
767 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
768 size, &received, NULL)) {
769 error_setg_win32(errp, GetLastError(), "failed to get bus type");
770 return;
771 }
772 disk->bus_type = find_bus_type(dev_desc->BusType);
773 g_debug("bus type %d", disk->bus_type);
774
775 /* Query once more. Now with long enough buffer. */
776 size = dev_desc->Size;
777 dev_desc = g_malloc0(size);
778 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
779 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
780 size, &received, NULL)) {
781 error_setg_win32(errp, GetLastError(), "failed to get serial number");
782 g_debug("failed to get serial number");
783 goto out_free;
784 }
785 if (dev_desc->SerialNumberOffset > 0) {
786 const char *serial;
787 size_t len;
788
789 if (dev_desc->SerialNumberOffset >= received) {
790 error_setg(errp, "failed to get serial number: offset outside the buffer");
791 g_debug("serial number offset outside the buffer");
792 goto out_free;
793 }
794 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
795 len = received - dev_desc->SerialNumberOffset;
796 g_debug("serial number \"%s\"", serial);
797 if (*serial != 0) {
798 disk->serial = g_strndup(serial, len);
799 disk->has_serial = true;
800 }
801 }
802 out_free:
803 g_free(dev_desc);
804
805 return;
806 }
807
808 static void get_single_disk_info(int disk_number,
809 GuestDiskAddress *disk, Error **errp)
810 {
811 SCSI_ADDRESS addr, *scsi_ad;
812 DWORD len;
813 HANDLE disk_h;
814 Error *local_err = NULL;
815
816 scsi_ad = &addr;
817
818 g_debug("getting disk info for: %s", disk->dev);
819 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
820 0, NULL);
821 if (disk_h == INVALID_HANDLE_VALUE) {
822 error_setg_win32(errp, GetLastError(), "failed to open disk");
823 return;
824 }
825
826 get_disk_properties(disk_h, disk, &local_err);
827 if (local_err) {
828 error_propagate(errp, local_err);
829 goto err_close;
830 }
831
832 g_debug("bus type %d", disk->bus_type);
833 /* always set pci_controller as required by schema. get_pci_info() should
834 * report -1 values for non-PCI buses rather than fail. fail the command
835 * if that doesn't hold since that suggests some other unexpected
836 * breakage
837 */
838 disk->pci_controller = get_pci_info(disk_number, &local_err);
839 if (local_err) {
840 error_propagate(errp, local_err);
841 goto err_close;
842 }
843 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
844 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
845 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
846 /* This bus type is not supported before Windows Server 2003 SP1 */
847 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
848 ) {
849 /* We are able to use the same ioctls for different bus types
850 * according to Microsoft docs
851 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
852 g_debug("getting SCSI info");
853 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
854 sizeof(SCSI_ADDRESS), &len, NULL)) {
855 disk->unit = addr.Lun;
856 disk->target = addr.TargetId;
857 disk->bus = addr.PathId;
858 }
859 /* We do not set error in this case, because we still have enough
860 * information about volume. */
861 }
862
863 err_close:
864 CloseHandle(disk_h);
865 return;
866 }
867
868 /* VSS provider works with volumes, thus there is no difference if
869 * the volume consist of spanned disks. Info about the first disk in the
870 * volume is returned for the spanned disk group (LVM) */
871 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
872 {
873 Error *local_err = NULL;
874 GuestDiskAddressList *list = NULL, *cur_item = NULL;
875 GuestDiskAddress *disk = NULL;
876 int i;
877 HANDLE vol_h;
878 DWORD size;
879 PVOLUME_DISK_EXTENTS extents = NULL;
880
881 /* strip final backslash */
882 char *name = g_strdup(guid);
883 if (g_str_has_suffix(name, "\\")) {
884 name[strlen(name) - 1] = 0;
885 }
886
887 g_debug("opening %s", name);
888 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
889 0, NULL);
890 if (vol_h == INVALID_HANDLE_VALUE) {
891 error_setg_win32(errp, GetLastError(), "failed to open volume");
892 goto out;
893 }
894
895 /* Get list of extents */
896 g_debug("getting disk extents");
897 size = sizeof(VOLUME_DISK_EXTENTS);
898 extents = g_malloc0(size);
899 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
900 0, extents, size, &size, NULL)) {
901 DWORD last_err = GetLastError();
902 if (last_err == ERROR_MORE_DATA) {
903 /* Try once more with big enough buffer */
904 g_free(extents);
905 extents = g_malloc0(size);
906 if (!DeviceIoControl(
907 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
908 0, extents, size, NULL, NULL)) {
909 error_setg_win32(errp, GetLastError(),
910 "failed to get disk extents");
911 goto out;
912 }
913 } else if (last_err == ERROR_INVALID_FUNCTION) {
914 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
915 g_debug("volume not on disk");
916 disk = g_malloc0(sizeof(GuestDiskAddress));
917 disk->has_dev = true;
918 disk->dev = g_strdup(name);
919 get_single_disk_info(0xffffffff, disk, &local_err);
920 if (local_err) {
921 g_debug("failed to get disk info, ignoring error: %s",
922 error_get_pretty(local_err));
923 error_free(local_err);
924 goto out;
925 }
926 list = g_malloc0(sizeof(*list));
927 list->value = disk;
928 disk = NULL;
929 list->next = NULL;
930 goto out;
931 } else {
932 error_setg_win32(errp, GetLastError(),
933 "failed to get disk extents");
934 goto out;
935 }
936 }
937 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
938
939 /* Go through each extent */
940 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
941 disk = g_malloc0(sizeof(GuestDiskAddress));
942
943 /* Disk numbers directly correspond to numbers used in UNCs
944 *
945 * See documentation for DISK_EXTENT:
946 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
947 *
948 * See also Naming Files, Paths and Namespaces:
949 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
950 */
951 disk->has_dev = true;
952 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
953 extents->Extents[i].DiskNumber);
954
955 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
956 if (local_err) {
957 error_propagate(errp, local_err);
958 goto out;
959 }
960 cur_item = g_malloc0(sizeof(*list));
961 cur_item->value = disk;
962 disk = NULL;
963 cur_item->next = list;
964 list = cur_item;
965 }
966
967
968 out:
969 if (vol_h != INVALID_HANDLE_VALUE) {
970 CloseHandle(vol_h);
971 }
972 qapi_free_GuestDiskAddress(disk);
973 g_free(extents);
974 g_free(name);
975
976 return list;
977 }
978
979 #else
980
981 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
982 {
983 return NULL;
984 }
985
986 #endif /* CONFIG_QGA_NTDDSCSI */
987
988 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
989 {
990 DWORD info_size;
991 char mnt, *mnt_point;
992 wchar_t wfs_name[32];
993 char fs_name[32];
994 wchar_t vol_info[MAX_PATH + 1];
995 size_t len;
996 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
997 GuestFilesystemInfo *fs = NULL;
998 HANDLE hLocalDiskHandle = NULL;
999
1000 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
1001 if (GetLastError() != ERROR_MORE_DATA) {
1002 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1003 return NULL;
1004 }
1005
1006 mnt_point = g_malloc(info_size + 1);
1007 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
1008 &info_size)) {
1009 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1010 goto free;
1011 }
1012
1013 hLocalDiskHandle = CreateFile(guid, 0 , 0, NULL, OPEN_EXISTING,
1014 FILE_ATTRIBUTE_NORMAL |
1015 FILE_FLAG_BACKUP_SEMANTICS, NULL);
1016 if (INVALID_HANDLE_VALUE == hLocalDiskHandle) {
1017 error_setg_win32(errp, GetLastError(), "failed to get handle for volume");
1018 goto free;
1019 }
1020
1021 len = strlen(mnt_point);
1022 mnt_point[len] = '\\';
1023 mnt_point[len+1] = 0;
1024
1025 if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info,
1026 sizeof(vol_info), NULL, NULL, NULL,
1027 (LPWSTR) & wfs_name, sizeof(wfs_name))) {
1028 if (GetLastError() != ERROR_NOT_READY) {
1029 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1030 }
1031 goto free;
1032 }
1033
1034 fs = g_malloc(sizeof(*fs));
1035 fs->name = g_strdup(guid);
1036 fs->has_total_bytes = false;
1037 fs->has_used_bytes = false;
1038 if (len == 0) {
1039 fs->mountpoint = g_strdup("System Reserved");
1040 } else {
1041 fs->mountpoint = g_strndup(mnt_point, len);
1042 if (GetDiskFreeSpaceEx(fs->mountpoint,
1043 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1044 (PULARGE_INTEGER) & i64TotalBytes,
1045 (PULARGE_INTEGER) & i64FreeBytes)) {
1046 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1047 fs->total_bytes = i64TotalBytes;
1048 fs->has_total_bytes = true;
1049 fs->has_used_bytes = true;
1050 }
1051 }
1052 wcstombs(fs_name, wfs_name, sizeof(wfs_name));
1053 fs->type = g_strdup(fs_name);
1054 fs->disk = build_guest_disk_info(guid, errp);
1055 free:
1056 CloseHandle(hLocalDiskHandle);
1057 g_free(mnt_point);
1058 return fs;
1059 }
1060
1061 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1062 {
1063 HANDLE vol_h;
1064 GuestFilesystemInfoList *new, *ret = NULL;
1065 char guid[256];
1066
1067 vol_h = FindFirstVolume(guid, sizeof(guid));
1068 if (vol_h == INVALID_HANDLE_VALUE) {
1069 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1070 return NULL;
1071 }
1072
1073 do {
1074 Error *local_err = NULL;
1075 GuestFilesystemInfo *info = build_guest_fsinfo(guid, &local_err);
1076 if (local_err) {
1077 g_debug("failed to get filesystem info, ignoring error: %s",
1078 error_get_pretty(local_err));
1079 error_free(local_err);
1080 continue;
1081 }
1082 new = g_malloc(sizeof(*ret));
1083 new->value = info;
1084 new->next = ret;
1085 ret = new;
1086 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1087
1088 if (GetLastError() != ERROR_NO_MORE_FILES) {
1089 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1090 }
1091
1092 FindVolumeClose(vol_h);
1093 return ret;
1094 }
1095
1096 /*
1097 * Return status of freeze/thaw
1098 */
1099 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1100 {
1101 if (!vss_initialized()) {
1102 error_setg(errp, QERR_UNSUPPORTED);
1103 return 0;
1104 }
1105
1106 if (ga_is_frozen(ga_state)) {
1107 return GUEST_FSFREEZE_STATUS_FROZEN;
1108 }
1109
1110 return GUEST_FSFREEZE_STATUS_THAWED;
1111 }
1112
1113 /*
1114 * Freeze local file systems using Volume Shadow-copy Service.
1115 * The frozen state is limited for up to 10 seconds by VSS.
1116 */
1117 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1118 {
1119 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1120 }
1121
1122 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1123 strList *mountpoints,
1124 Error **errp)
1125 {
1126 int i;
1127 Error *local_err = NULL;
1128
1129 if (!vss_initialized()) {
1130 error_setg(errp, QERR_UNSUPPORTED);
1131 return 0;
1132 }
1133
1134 slog("guest-fsfreeze called");
1135
1136 /* cannot risk guest agent blocking itself on a write in this state */
1137 ga_set_frozen(ga_state);
1138
1139 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1140 if (local_err) {
1141 error_propagate(errp, local_err);
1142 goto error;
1143 }
1144
1145 return i;
1146
1147 error:
1148 local_err = NULL;
1149 qmp_guest_fsfreeze_thaw(&local_err);
1150 if (local_err) {
1151 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1152 error_free(local_err);
1153 }
1154 return 0;
1155 }
1156
1157 /*
1158 * Thaw local file systems using Volume Shadow-copy Service.
1159 */
1160 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1161 {
1162 int i;
1163
1164 if (!vss_initialized()) {
1165 error_setg(errp, QERR_UNSUPPORTED);
1166 return 0;
1167 }
1168
1169 qga_vss_fsfreeze(&i, false, NULL, errp);
1170
1171 ga_unset_frozen(ga_state);
1172 return i;
1173 }
1174
1175 static void guest_fsfreeze_cleanup(void)
1176 {
1177 Error *err = NULL;
1178
1179 if (!vss_initialized()) {
1180 return;
1181 }
1182
1183 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1184 qmp_guest_fsfreeze_thaw(&err);
1185 if (err) {
1186 slog("failed to clean up frozen filesystems: %s",
1187 error_get_pretty(err));
1188 error_free(err);
1189 }
1190 }
1191
1192 vss_deinit(true);
1193 }
1194
1195 /*
1196 * Walk list of mounted file systems in the guest, and discard unused
1197 * areas.
1198 */
1199 GuestFilesystemTrimResponse *
1200 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1201 {
1202 GuestFilesystemTrimResponse *resp;
1203 HANDLE handle;
1204 WCHAR guid[MAX_PATH] = L"";
1205 OSVERSIONINFO osvi;
1206 BOOL win8_or_later;
1207
1208 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1209 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1210 GetVersionEx(&osvi);
1211 win8_or_later = (osvi.dwMajorVersion > 6 ||
1212 ((osvi.dwMajorVersion == 6) &&
1213 (osvi.dwMinorVersion >= 2)));
1214 if (!win8_or_later) {
1215 error_setg(errp, "fstrim is only supported for Win8+");
1216 return NULL;
1217 }
1218
1219 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1220 if (handle == INVALID_HANDLE_VALUE) {
1221 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1222 return NULL;
1223 }
1224
1225 resp = g_new0(GuestFilesystemTrimResponse, 1);
1226
1227 do {
1228 GuestFilesystemTrimResult *res;
1229 GuestFilesystemTrimResultList *list;
1230 PWCHAR uc_path;
1231 DWORD char_count = 0;
1232 char *path, *out;
1233 GError *gerr = NULL;
1234 gchar * argv[4];
1235
1236 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1237
1238 if (GetLastError() != ERROR_MORE_DATA) {
1239 continue;
1240 }
1241 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1242 continue;
1243 }
1244
1245 uc_path = g_malloc(sizeof(WCHAR) * char_count);
1246 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1247 &char_count) || !*uc_path) {
1248 /* strange, but this condition could be faced even with size == 2 */
1249 g_free(uc_path);
1250 continue;
1251 }
1252
1253 res = g_new0(GuestFilesystemTrimResult, 1);
1254
1255 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1256
1257 g_free(uc_path);
1258
1259 if (!path) {
1260 res->has_error = true;
1261 res->error = g_strdup(gerr->message);
1262 g_error_free(gerr);
1263 break;
1264 }
1265
1266 res->path = path;
1267
1268 list = g_new0(GuestFilesystemTrimResultList, 1);
1269 list->value = res;
1270 list->next = resp->paths;
1271
1272 resp->paths = list;
1273
1274 memset(argv, 0, sizeof(argv));
1275 argv[0] = (gchar *)"defrag.exe";
1276 argv[1] = (gchar *)"/L";
1277 argv[2] = path;
1278
1279 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1280 &out /* stdout */, NULL /* stdin */,
1281 NULL, &gerr)) {
1282 res->has_error = true;
1283 res->error = g_strdup(gerr->message);
1284 g_error_free(gerr);
1285 } else {
1286 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1287 Error is reported in the output with something like
1288 (x89000020) etc code in the stdout */
1289
1290 int i;
1291 gchar **lines = g_strsplit(out, "\r\n", 0);
1292 g_free(out);
1293
1294 for (i = 0; lines[i] != NULL; i++) {
1295 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1296 continue;
1297 }
1298 res->has_error = true;
1299 res->error = g_strdup(lines[i]);
1300 break;
1301 }
1302 g_strfreev(lines);
1303 }
1304 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1305
1306 FindVolumeClose(handle);
1307 return resp;
1308 }
1309
1310 typedef enum {
1311 GUEST_SUSPEND_MODE_DISK,
1312 GUEST_SUSPEND_MODE_RAM
1313 } GuestSuspendMode;
1314
1315 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1316 {
1317 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1318
1319 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1320 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1321 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1322 "failed to determine guest suspend capabilities");
1323 return;
1324 }
1325
1326 switch (mode) {
1327 case GUEST_SUSPEND_MODE_DISK:
1328 if (!sys_pwr_caps.SystemS4) {
1329 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1330 "suspend-to-disk not supported by OS");
1331 }
1332 break;
1333 case GUEST_SUSPEND_MODE_RAM:
1334 if (!sys_pwr_caps.SystemS3) {
1335 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1336 "suspend-to-ram not supported by OS");
1337 }
1338 break;
1339 default:
1340 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
1341 "GuestSuspendMode");
1342 }
1343 }
1344
1345 static DWORD WINAPI do_suspend(LPVOID opaque)
1346 {
1347 GuestSuspendMode *mode = opaque;
1348 DWORD ret = 0;
1349
1350 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1351 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
1352 slog("failed to suspend guest: %s", emsg);
1353 ret = -1;
1354 }
1355 g_free(mode);
1356 return ret;
1357 }
1358
1359 void qmp_guest_suspend_disk(Error **errp)
1360 {
1361 Error *local_err = NULL;
1362 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1363
1364 *mode = GUEST_SUSPEND_MODE_DISK;
1365 check_suspend_mode(*mode, &local_err);
1366 if (local_err) {
1367 goto out;
1368 }
1369 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1370 if (local_err) {
1371 goto out;
1372 }
1373 execute_async(do_suspend, mode, &local_err);
1374
1375 out:
1376 if (local_err) {
1377 error_propagate(errp, local_err);
1378 g_free(mode);
1379 }
1380 }
1381
1382 void qmp_guest_suspend_ram(Error **errp)
1383 {
1384 Error *local_err = NULL;
1385 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1386
1387 *mode = GUEST_SUSPEND_MODE_RAM;
1388 check_suspend_mode(*mode, &local_err);
1389 if (local_err) {
1390 goto out;
1391 }
1392 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1393 if (local_err) {
1394 goto out;
1395 }
1396 execute_async(do_suspend, mode, &local_err);
1397
1398 out:
1399 if (local_err) {
1400 error_propagate(errp, local_err);
1401 g_free(mode);
1402 }
1403 }
1404
1405 void qmp_guest_suspend_hybrid(Error **errp)
1406 {
1407 error_setg(errp, QERR_UNSUPPORTED);
1408 }
1409
1410 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1411 {
1412 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1413 ULONG adptr_addrs_len = 0;
1414 DWORD ret;
1415
1416 /* Call the first time to get the adptr_addrs_len. */
1417 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1418 NULL, adptr_addrs, &adptr_addrs_len);
1419
1420 adptr_addrs = g_malloc(adptr_addrs_len);
1421 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1422 NULL, adptr_addrs, &adptr_addrs_len);
1423 if (ret != ERROR_SUCCESS) {
1424 error_setg_win32(errp, ret, "failed to get adapters addresses");
1425 g_free(adptr_addrs);
1426 adptr_addrs = NULL;
1427 }
1428 return adptr_addrs;
1429 }
1430
1431 static char *guest_wctomb_dup(WCHAR *wstr)
1432 {
1433 char *str;
1434 size_t str_size;
1435
1436 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
1437 /* add 1 to str_size for NULL terminator */
1438 str = g_malloc(str_size + 1);
1439 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL);
1440 return str;
1441 }
1442
1443 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1444 Error **errp)
1445 {
1446 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1447 DWORD len;
1448 int ret;
1449
1450 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1451 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1452 len = sizeof(addr_str);
1453 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1454 ip_addr->Address.iSockaddrLength,
1455 NULL,
1456 addr_str,
1457 &len);
1458 if (ret != 0) {
1459 error_setg_win32(errp, WSAGetLastError(),
1460 "failed address presentation form conversion");
1461 return NULL;
1462 }
1463 return g_strdup(addr_str);
1464 }
1465 return NULL;
1466 }
1467
1468 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1469 {
1470 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1471 * field to obtain the prefix.
1472 */
1473 return ip_addr->OnLinkPrefixLength;
1474 }
1475
1476 #define INTERFACE_PATH_BUF_SZ 512
1477
1478 static DWORD get_interface_index(const char *guid)
1479 {
1480 ULONG index;
1481 DWORD status;
1482 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1483 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1484 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1485 status = GetAdapterIndex (wbuf, &index);
1486 if (status != NO_ERROR) {
1487 return (DWORD)~0;
1488 } else {
1489 return index;
1490 }
1491 }
1492
1493 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1494
1495 static int guest_get_network_stats(const char *name,
1496 GuestNetworkInterfaceStat *stats)
1497 {
1498 OSVERSIONINFO os_ver;
1499
1500 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1501 GetVersionEx(&os_ver);
1502 if (os_ver.dwMajorVersion >= 6) {
1503 MIB_IF_ROW2 a_mid_ifrow;
1504 GetIfEntry2Func getifentry2_ex;
1505 DWORD if_index = 0;
1506 HMODULE module = GetModuleHandle("iphlpapi");
1507 PVOID func = GetProcAddress(module, "GetIfEntry2");
1508
1509 if (func == NULL) {
1510 return -1;
1511 }
1512
1513 getifentry2_ex = (GetIfEntry2Func)func;
1514 if_index = get_interface_index(name);
1515 if (if_index == (DWORD)~0) {
1516 return -1;
1517 }
1518
1519 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1520 a_mid_ifrow.InterfaceIndex = if_index;
1521 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1522 stats->rx_bytes = a_mid_ifrow.InOctets;
1523 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1524 stats->rx_errs = a_mid_ifrow.InErrors;
1525 stats->rx_dropped = a_mid_ifrow.InDiscards;
1526 stats->tx_bytes = a_mid_ifrow.OutOctets;
1527 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1528 stats->tx_errs = a_mid_ifrow.OutErrors;
1529 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1530 return 0;
1531 }
1532 }
1533 return -1;
1534 }
1535
1536 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1537 {
1538 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1539 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1540 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1541 GuestIpAddressList *head_addr, *cur_addr;
1542 GuestNetworkInterfaceList *info;
1543 GuestNetworkInterfaceStat *interface_stat = NULL;
1544 GuestIpAddressList *address_item = NULL;
1545 unsigned char *mac_addr;
1546 char *addr_str;
1547 WORD wsa_version;
1548 WSADATA wsa_data;
1549 int ret;
1550
1551 adptr_addrs = guest_get_adapters_addresses(errp);
1552 if (adptr_addrs == NULL) {
1553 return NULL;
1554 }
1555
1556 /* Make WSA APIs available. */
1557 wsa_version = MAKEWORD(2, 2);
1558 ret = WSAStartup(wsa_version, &wsa_data);
1559 if (ret != 0) {
1560 error_setg_win32(errp, ret, "failed socket startup");
1561 goto out;
1562 }
1563
1564 for (addr = adptr_addrs; addr; addr = addr->Next) {
1565 info = g_malloc0(sizeof(*info));
1566
1567 if (cur_item == NULL) {
1568 head = cur_item = info;
1569 } else {
1570 cur_item->next = info;
1571 cur_item = info;
1572 }
1573
1574 info->value = g_malloc0(sizeof(*info->value));
1575 info->value->name = guest_wctomb_dup(addr->FriendlyName);
1576
1577 if (addr->PhysicalAddressLength != 0) {
1578 mac_addr = addr->PhysicalAddress;
1579
1580 info->value->hardware_address =
1581 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1582 (int) mac_addr[0], (int) mac_addr[1],
1583 (int) mac_addr[2], (int) mac_addr[3],
1584 (int) mac_addr[4], (int) mac_addr[5]);
1585
1586 info->value->has_hardware_address = true;
1587 }
1588
1589 head_addr = NULL;
1590 cur_addr = NULL;
1591 for (ip_addr = addr->FirstUnicastAddress;
1592 ip_addr;
1593 ip_addr = ip_addr->Next) {
1594 addr_str = guest_addr_to_str(ip_addr, errp);
1595 if (addr_str == NULL) {
1596 continue;
1597 }
1598
1599 address_item = g_malloc0(sizeof(*address_item));
1600
1601 if (!cur_addr) {
1602 head_addr = cur_addr = address_item;
1603 } else {
1604 cur_addr->next = address_item;
1605 cur_addr = address_item;
1606 }
1607
1608 address_item->value = g_malloc0(sizeof(*address_item->value));
1609 address_item->value->ip_address = addr_str;
1610 address_item->value->prefix = guest_ip_prefix(ip_addr);
1611 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1612 address_item->value->ip_address_type =
1613 GUEST_IP_ADDRESS_TYPE_IPV4;
1614 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1615 address_item->value->ip_address_type =
1616 GUEST_IP_ADDRESS_TYPE_IPV6;
1617 }
1618 }
1619 if (head_addr) {
1620 info->value->has_ip_addresses = true;
1621 info->value->ip_addresses = head_addr;
1622 }
1623 if (!info->value->has_statistics) {
1624 interface_stat = g_malloc0(sizeof(*interface_stat));
1625 if (guest_get_network_stats(addr->AdapterName,
1626 interface_stat) == -1) {
1627 info->value->has_statistics = false;
1628 g_free(interface_stat);
1629 } else {
1630 info->value->statistics = interface_stat;
1631 info->value->has_statistics = true;
1632 }
1633 }
1634 }
1635 WSACleanup();
1636 out:
1637 g_free(adptr_addrs);
1638 return head;
1639 }
1640
1641 int64_t qmp_guest_get_time(Error **errp)
1642 {
1643 SYSTEMTIME ts = {0};
1644 FILETIME tf;
1645
1646 GetSystemTime(&ts);
1647 if (ts.wYear < 1601 || ts.wYear > 30827) {
1648 error_setg(errp, "Failed to get time");
1649 return -1;
1650 }
1651
1652 if (!SystemTimeToFileTime(&ts, &tf)) {
1653 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1654 return -1;
1655 }
1656
1657 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1658 - W32_FT_OFFSET) * 100;
1659 }
1660
1661 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1662 {
1663 Error *local_err = NULL;
1664 SYSTEMTIME ts;
1665 FILETIME tf;
1666 LONGLONG time;
1667
1668 if (!has_time) {
1669 /* Unfortunately, Windows libraries don't provide an easy way to access
1670 * RTC yet:
1671 *
1672 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1673 *
1674 * Instead, a workaround is to use the Windows win32tm command to
1675 * resync the time using the Windows Time service.
1676 */
1677 LPVOID msg_buffer;
1678 DWORD ret_flags;
1679
1680 HRESULT hr = system("w32tm /resync /nowait");
1681
1682 if (GetLastError() != 0) {
1683 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1684 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1685 } else if (hr != 0) {
1686 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1687 error_setg(errp, "Windows Time service not running on the "
1688 "guest");
1689 } else {
1690 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1691 FORMAT_MESSAGE_FROM_SYSTEM |
1692 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1693 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1694 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1695 NULL)) {
1696 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1697 "t retrieve error message", hr);
1698 } else {
1699 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1700 (LPCTSTR)msg_buffer);
1701 LocalFree(msg_buffer);
1702 }
1703 }
1704 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1705 error_setg(errp, "No internet connection on guest, sync not "
1706 "accurate");
1707 }
1708 return;
1709 }
1710
1711 /* Validate time passed by user. */
1712 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1713 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1714 return;
1715 }
1716
1717 time = time_ns / 100 + W32_FT_OFFSET;
1718
1719 tf.dwLowDateTime = (DWORD) time;
1720 tf.dwHighDateTime = (DWORD) (time >> 32);
1721
1722 if (!FileTimeToSystemTime(&tf, &ts)) {
1723 error_setg(errp, "Failed to convert system time %d",
1724 (int)GetLastError());
1725 return;
1726 }
1727
1728 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1729 if (local_err) {
1730 error_propagate(errp, local_err);
1731 return;
1732 }
1733
1734 if (!SetSystemTime(&ts)) {
1735 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1736 return;
1737 }
1738 }
1739
1740 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1741 {
1742 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1743 DWORD length;
1744 GuestLogicalProcessorList *head, **link;
1745 Error *local_err = NULL;
1746 int64_t current;
1747
1748 ptr = pslpi = NULL;
1749 length = 0;
1750 current = 0;
1751 head = NULL;
1752 link = &head;
1753
1754 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1755 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1756 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1757 ptr = pslpi = g_malloc0(length);
1758 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1759 error_setg(&local_err, "Failed to get processor information: %d",
1760 (int)GetLastError());
1761 }
1762 } else {
1763 error_setg(&local_err,
1764 "Failed to get processor information buffer length: %d",
1765 (int)GetLastError());
1766 }
1767
1768 while ((local_err == NULL) && (length > 0)) {
1769 if (pslpi->Relationship == RelationProcessorCore) {
1770 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1771
1772 while (cpu_bits > 0) {
1773 if (!!(cpu_bits & 1)) {
1774 GuestLogicalProcessor *vcpu;
1775 GuestLogicalProcessorList *entry;
1776
1777 vcpu = g_malloc0(sizeof *vcpu);
1778 vcpu->logical_id = current++;
1779 vcpu->online = true;
1780 vcpu->has_can_offline = true;
1781
1782 entry = g_malloc0(sizeof *entry);
1783 entry->value = vcpu;
1784
1785 *link = entry;
1786 link = &entry->next;
1787 }
1788 cpu_bits >>= 1;
1789 }
1790 }
1791 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1792 pslpi++; /* next entry */
1793 }
1794
1795 g_free(ptr);
1796
1797 if (local_err == NULL) {
1798 if (head != NULL) {
1799 return head;
1800 }
1801 /* there's no guest with zero VCPUs */
1802 error_setg(&local_err, "Guest reported zero VCPUs");
1803 }
1804
1805 qapi_free_GuestLogicalProcessorList(head);
1806 error_propagate(errp, local_err);
1807 return NULL;
1808 }
1809
1810 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1811 {
1812 error_setg(errp, QERR_UNSUPPORTED);
1813 return -1;
1814 }
1815
1816 static gchar *
1817 get_net_error_message(gint error)
1818 {
1819 HMODULE module = NULL;
1820 gchar *retval = NULL;
1821 wchar_t *msg = NULL;
1822 int flags;
1823 size_t nchars;
1824
1825 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1826 FORMAT_MESSAGE_IGNORE_INSERTS |
1827 FORMAT_MESSAGE_FROM_SYSTEM;
1828
1829 if (error >= NERR_BASE && error <= MAX_NERR) {
1830 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1831
1832 if (module != NULL) {
1833 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1834 }
1835 }
1836
1837 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1838
1839 if (msg != NULL) {
1840 nchars = wcslen(msg);
1841
1842 if (nchars >= 2 &&
1843 msg[nchars - 1] == L'\n' &&
1844 msg[nchars - 2] == L'\r') {
1845 msg[nchars - 2] = L'\0';
1846 }
1847
1848 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1849
1850 LocalFree(msg);
1851 }
1852
1853 if (module != NULL) {
1854 FreeLibrary(module);
1855 }
1856
1857 return retval;
1858 }
1859
1860 void qmp_guest_set_user_password(const char *username,
1861 const char *password,
1862 bool crypted,
1863 Error **errp)
1864 {
1865 NET_API_STATUS nas;
1866 char *rawpasswddata = NULL;
1867 size_t rawpasswdlen;
1868 wchar_t *user = NULL, *wpass = NULL;
1869 USER_INFO_1003 pi1003 = { 0, };
1870 GError *gerr = NULL;
1871
1872 if (crypted) {
1873 error_setg(errp, QERR_UNSUPPORTED);
1874 return;
1875 }
1876
1877 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1878 if (!rawpasswddata) {
1879 return;
1880 }
1881 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1882 rawpasswddata[rawpasswdlen] = '\0';
1883
1884 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1885 if (!user) {
1886 goto done;
1887 }
1888
1889 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1890 if (!wpass) {
1891 goto done;
1892 }
1893
1894 pi1003.usri1003_password = wpass;
1895 nas = NetUserSetInfo(NULL, user,
1896 1003, (LPBYTE)&pi1003,
1897 NULL);
1898
1899 if (nas != NERR_Success) {
1900 gchar *msg = get_net_error_message(nas);
1901 error_setg(errp, "failed to set password: %s", msg);
1902 g_free(msg);
1903 }
1904
1905 done:
1906 if (gerr) {
1907 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1908 g_error_free(gerr);
1909 }
1910 g_free(user);
1911 g_free(wpass);
1912 g_free(rawpasswddata);
1913 }
1914
1915 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1916 {
1917 error_setg(errp, QERR_UNSUPPORTED);
1918 return NULL;
1919 }
1920
1921 GuestMemoryBlockResponseList *
1922 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1923 {
1924 error_setg(errp, QERR_UNSUPPORTED);
1925 return NULL;
1926 }
1927
1928 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1929 {
1930 error_setg(errp, QERR_UNSUPPORTED);
1931 return NULL;
1932 }
1933
1934 /* add unsupported commands to the blacklist */
1935 GList *ga_command_blacklist_init(GList *blacklist)
1936 {
1937 const char *list_unsupported[] = {
1938 "guest-suspend-hybrid",
1939 "guest-set-vcpus",
1940 "guest-get-memory-blocks", "guest-set-memory-blocks",
1941 "guest-get-memory-block-size", "guest-get-memory-block-info",
1942 NULL};
1943 char **p = (char **)list_unsupported;
1944
1945 while (*p) {
1946 blacklist = g_list_append(blacklist, g_strdup(*p++));
1947 }
1948
1949 if (!vss_init(true)) {
1950 g_debug("vss_init failed, vss commands are going to be disabled");
1951 const char *list[] = {
1952 "guest-get-fsinfo", "guest-fsfreeze-status",
1953 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1954 p = (char **)list;
1955
1956 while (*p) {
1957 blacklist = g_list_append(blacklist, g_strdup(*p++));
1958 }
1959 }
1960
1961 return blacklist;
1962 }
1963
1964 /* register init/cleanup routines for stateful command groups */
1965 void ga_command_state_init(GAState *s, GACommandState *cs)
1966 {
1967 if (!vss_initialized()) {
1968 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1969 }
1970 }
1971
1972 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
1973 typedef struct _GA_WTSINFOA {
1974 WTS_CONNECTSTATE_CLASS State;
1975 DWORD SessionId;
1976 DWORD IncomingBytes;
1977 DWORD OutgoingBytes;
1978 DWORD IncomingFrames;
1979 DWORD OutgoingFrames;
1980 DWORD IncomingCompressedBytes;
1981 DWORD OutgoingCompressedBy;
1982 CHAR WinStationName[WINSTATIONNAME_LENGTH];
1983 CHAR Domain[DOMAIN_LENGTH];
1984 CHAR UserName[USERNAME_LENGTH + 1];
1985 LARGE_INTEGER ConnectTime;
1986 LARGE_INTEGER DisconnectTime;
1987 LARGE_INTEGER LastInputTime;
1988 LARGE_INTEGER LogonTime;
1989 LARGE_INTEGER CurrentTime;
1990
1991 } GA_WTSINFOA;
1992
1993 GuestUserList *qmp_guest_get_users(Error **errp)
1994 {
1995 #define QGA_NANOSECONDS 10000000
1996
1997 GHashTable *cache = NULL;
1998 GuestUserList *head = NULL, *cur_item = NULL;
1999
2000 DWORD buffer_size = 0, count = 0, i = 0;
2001 GA_WTSINFOA *info = NULL;
2002 WTS_SESSION_INFOA *entries = NULL;
2003 GuestUserList *item = NULL;
2004 GuestUser *user = NULL;
2005 gpointer value = NULL;
2006 INT64 login = 0;
2007 double login_time = 0;
2008
2009 cache = g_hash_table_new(g_str_hash, g_str_equal);
2010
2011 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
2012 for (i = 0; i < count; ++i) {
2013 buffer_size = 0;
2014 info = NULL;
2015 if (WTSQuerySessionInformationA(
2016 NULL,
2017 entries[i].SessionId,
2018 WTSSessionInfo,
2019 (LPSTR *)&info,
2020 &buffer_size
2021 )) {
2022
2023 if (strlen(info->UserName) == 0) {
2024 WTSFreeMemory(info);
2025 continue;
2026 }
2027
2028 login = info->LogonTime.QuadPart;
2029 login -= W32_FT_OFFSET;
2030 login_time = ((double)login) / QGA_NANOSECONDS;
2031
2032 if (g_hash_table_contains(cache, info->UserName)) {
2033 value = g_hash_table_lookup(cache, info->UserName);
2034 user = (GuestUser *)value;
2035 if (user->login_time > login_time) {
2036 user->login_time = login_time;
2037 }
2038 } else {
2039 item = g_new0(GuestUserList, 1);
2040 item->value = g_new0(GuestUser, 1);
2041
2042 item->value->user = g_strdup(info->UserName);
2043 item->value->domain = g_strdup(info->Domain);
2044 item->value->has_domain = true;
2045
2046 item->value->login_time = login_time;
2047
2048 g_hash_table_add(cache, item->value->user);
2049
2050 if (!cur_item) {
2051 head = cur_item = item;
2052 } else {
2053 cur_item->next = item;
2054 cur_item = item;
2055 }
2056 }
2057 }
2058 WTSFreeMemory(info);
2059 }
2060 WTSFreeMemory(entries);
2061 }
2062 g_hash_table_destroy(cache);
2063 return head;
2064 }
2065
2066 typedef struct _ga_matrix_lookup_t {
2067 int major;
2068 int minor;
2069 char const *version;
2070 char const *version_id;
2071 } ga_matrix_lookup_t;
2072
2073 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
2074 {
2075 /* Desktop editions */
2076 { 5, 0, "Microsoft Windows 2000", "2000"},
2077 { 5, 1, "Microsoft Windows XP", "xp"},
2078 { 6, 0, "Microsoft Windows Vista", "vista"},
2079 { 6, 1, "Microsoft Windows 7" "7"},
2080 { 6, 2, "Microsoft Windows 8", "8"},
2081 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2082 {10, 0, "Microsoft Windows 10", "10"},
2083 { 0, 0, 0}
2084 },{
2085 /* Server editions */
2086 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2087 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2088 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2089 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2090 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2091 { 0, 0, 0},
2092 { 0, 0, 0},
2093 { 0, 0, 0}
2094 }
2095 };
2096
2097 typedef struct _ga_win_10_0_server_t {
2098 int final_build;
2099 char const *version;
2100 char const *version_id;
2101 } ga_win_10_0_server_t;
2102
2103 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = {
2104 {14393, "Microsoft Windows Server 2016", "2016"},
2105 {17763, "Microsoft Windows Server 2019", "2019"},
2106 {0, 0}
2107 };
2108
2109 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2110 {
2111 typedef NTSTATUS(WINAPI * rtl_get_version_t)(
2112 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2113
2114 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2115
2116 HMODULE module = GetModuleHandle("ntdll");
2117 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2118 if (fun == NULL) {
2119 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2120 "Failed to get address of RtlGetVersion");
2121 return;
2122 }
2123
2124 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2125 rtl_get_version(info);
2126 return;
2127 }
2128
2129 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2130 {
2131 DWORD major = os_version->dwMajorVersion;
2132 DWORD minor = os_version->dwMinorVersion;
2133 DWORD build = os_version->dwBuildNumber;
2134 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2135 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2136 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX;
2137 while (table->version != NULL) {
2138 if (major == 10 && minor == 0 && tbl_idx) {
2139 while (win_10_0_table->version != NULL) {
2140 if (build <= win_10_0_table->final_build) {
2141 if (id) {
2142 return g_strdup(win_10_0_table->version_id);
2143 } else {
2144 return g_strdup(win_10_0_table->version);
2145 }
2146 }
2147 win_10_0_table++;
2148 }
2149 } else if (major == table->major && minor == table->minor) {
2150 if (id) {
2151 return g_strdup(table->version_id);
2152 } else {
2153 return g_strdup(table->version);
2154 }
2155 }
2156 ++table;
2157 }
2158 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2159 major, minor);
2160 return g_strdup("N/A");
2161 }
2162
2163 static char *ga_get_win_product_name(Error **errp)
2164 {
2165 HKEY key = NULL;
2166 DWORD size = 128;
2167 char *result = g_malloc0(size);
2168 LONG err = ERROR_SUCCESS;
2169
2170 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2171 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2172 &key);
2173 if (err != ERROR_SUCCESS) {
2174 error_setg_win32(errp, err, "failed to open registry key");
2175 goto fail;
2176 }
2177
2178 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2179 (LPBYTE)result, &size);
2180 if (err == ERROR_MORE_DATA) {
2181 slog("ProductName longer than expected (%lu bytes), retrying",
2182 size);
2183 g_free(result);
2184 result = NULL;
2185 if (size > 0) {
2186 result = g_malloc0(size);
2187 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2188 (LPBYTE)result, &size);
2189 }
2190 }
2191 if (err != ERROR_SUCCESS) {
2192 error_setg_win32(errp, err, "failed to retrive ProductName");
2193 goto fail;
2194 }
2195
2196 return result;
2197
2198 fail:
2199 g_free(result);
2200 return NULL;
2201 }
2202
2203 static char *ga_get_current_arch(void)
2204 {
2205 SYSTEM_INFO info;
2206 GetNativeSystemInfo(&info);
2207 char *result = NULL;
2208 switch (info.wProcessorArchitecture) {
2209 case PROCESSOR_ARCHITECTURE_AMD64:
2210 result = g_strdup("x86_64");
2211 break;
2212 case PROCESSOR_ARCHITECTURE_ARM:
2213 result = g_strdup("arm");
2214 break;
2215 case PROCESSOR_ARCHITECTURE_IA64:
2216 result = g_strdup("ia64");
2217 break;
2218 case PROCESSOR_ARCHITECTURE_INTEL:
2219 result = g_strdup("x86");
2220 break;
2221 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2222 default:
2223 slog("unknown processor architecture 0x%0x",
2224 info.wProcessorArchitecture);
2225 result = g_strdup("unknown");
2226 break;
2227 }
2228 return result;
2229 }
2230
2231 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2232 {
2233 Error *local_err = NULL;
2234 OSVERSIONINFOEXW os_version = {0};
2235 bool server;
2236 char *product_name;
2237 GuestOSInfo *info;
2238
2239 ga_get_win_version(&os_version, &local_err);
2240 if (local_err) {
2241 error_propagate(errp, local_err);
2242 return NULL;
2243 }
2244
2245 server = os_version.wProductType != VER_NT_WORKSTATION;
2246 product_name = ga_get_win_product_name(errp);
2247 if (product_name == NULL) {
2248 return NULL;
2249 }
2250
2251 info = g_new0(GuestOSInfo, 1);
2252
2253 info->has_kernel_version = true;
2254 info->kernel_version = g_strdup_printf("%lu.%lu",
2255 os_version.dwMajorVersion,
2256 os_version.dwMinorVersion);
2257 info->has_kernel_release = true;
2258 info->kernel_release = g_strdup_printf("%lu",
2259 os_version.dwBuildNumber);
2260 info->has_machine = true;
2261 info->machine = ga_get_current_arch();
2262
2263 info->has_id = true;
2264 info->id = g_strdup("mswindows");
2265 info->has_name = true;
2266 info->name = g_strdup("Microsoft Windows");
2267 info->has_pretty_name = true;
2268 info->pretty_name = product_name;
2269 info->has_version = true;
2270 info->version = ga_get_win_name(&os_version, false);
2271 info->has_version_id = true;
2272 info->version_id = ga_get_win_name(&os_version, true);
2273 info->has_variant = true;
2274 info->variant = g_strdup(server ? "server" : "client");
2275 info->has_variant_id = true;
2276 info->variant_id = g_strdup(server ? "server" : "client");
2277
2278 return info;
2279 }
2280
2281 /*
2282 * Safely get device property. Returned strings are using wide characters.
2283 * Caller is responsible for freeing the buffer.
2284 */
2285 static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName,
2286 PDEVPROPTYPE propType)
2287 {
2288 CONFIGRET cr;
2289 g_autofree LPBYTE buffer = NULL;
2290 ULONG buffer_len = 0;
2291
2292 /* First query for needed space */
2293 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2294 buffer, &buffer_len, 0);
2295 if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) {
2296
2297 slog("failed to get property size, error=0x%lx", cr);
2298 return NULL;
2299 }
2300 buffer = g_new0(BYTE, buffer_len + 1);
2301 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2302 buffer, &buffer_len, 0);
2303 if (cr != CR_SUCCESS) {
2304 slog("failed to get device property, error=0x%lx", cr);
2305 return NULL;
2306 }
2307 return g_steal_pointer(&buffer);
2308 }
2309
2310 static GStrv ga_get_hardware_ids(DEVINST devInstance)
2311 {
2312 GArray *values = NULL;
2313 DEVPROPTYPE cm_type;
2314 LPWSTR id;
2315 g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance,
2316 &qga_DEVPKEY_Device_HardwareIds, &cm_type);
2317 if (property == NULL) {
2318 slog("failed to get hardware IDs");
2319 return NULL;
2320 }
2321 if (*property == '\0') {
2322 /* empty list */
2323 return NULL;
2324 }
2325 values = g_array_new(TRUE, TRUE, sizeof(gchar *));
2326 for (id = property; '\0' != *id; id += lstrlenW(id) + 1) {
2327 gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL);
2328 g_array_append_val(values, id8);
2329 }
2330 return (GStrv)g_array_free(values, FALSE);
2331 }
2332
2333 /*
2334 * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
2335 */
2336 #define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)"
2337
2338 GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
2339 {
2340 GuestDeviceInfoList *head = NULL, *cur_item = NULL, *item = NULL;
2341 HDEVINFO dev_info = INVALID_HANDLE_VALUE;
2342 SP_DEVINFO_DATA dev_info_data;
2343 int i, j;
2344 GError *gerr = NULL;
2345 g_autoptr(GRegex) device_pci_re = NULL;
2346 DEVPROPTYPE cm_type;
2347
2348 device_pci_re = g_regex_new(DEVICE_PCI_RE,
2349 G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0,
2350 &gerr);
2351 g_assert(device_pci_re != NULL);
2352
2353 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
2354 dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES);
2355 if (dev_info == INVALID_HANDLE_VALUE) {
2356 error_setg(errp, "failed to get device tree");
2357 return NULL;
2358 }
2359
2360 slog("enumerating devices");
2361 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
2362 bool skip = true;
2363 SYSTEMTIME utc_date;
2364 g_autofree LPWSTR name = NULL;
2365 g_autofree LPFILETIME date = NULL;
2366 g_autofree LPWSTR version = NULL;
2367 g_auto(GStrv) hw_ids = NULL;
2368 g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1);
2369 g_autofree char *vendor_id = NULL;
2370 g_autofree char *device_id = NULL;
2371
2372 name = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2373 &qga_DEVPKEY_NAME, &cm_type);
2374 if (name == NULL) {
2375 slog("failed to get device description");
2376 continue;
2377 }
2378 device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL);
2379 if (device->driver_name == NULL) {
2380 error_setg(errp, "conversion to utf8 failed (driver name)");
2381 continue;
2382 }
2383 slog("querying device: %s", device->driver_name);
2384 hw_ids = ga_get_hardware_ids(dev_info_data.DevInst);
2385 if (hw_ids == NULL) {
2386 continue;
2387 }
2388 for (j = 0; hw_ids[j] != NULL; j++) {
2389 GMatchInfo *match_info;
2390 GuestDeviceAddressPCI *address;
2391 if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) {
2392 continue;
2393 }
2394 skip = false;
2395
2396 address = g_new0(GuestDeviceAddressPCI, 1);
2397 vendor_id = g_match_info_fetch(match_info, 1);
2398 device_id = g_match_info_fetch(match_info, 2);
2399 address->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16);
2400 address->device_id = g_ascii_strtoull(device_id, NULL, 16);
2401
2402 device->address = g_new0(GuestDeviceAddress, 1);
2403 device->has_address = true;
2404 device->address->type = GUEST_DEVICE_ADDRESS_KIND_PCI;
2405 device->address->u.pci.data = address;
2406
2407 g_match_info_free(match_info);
2408 break;
2409 }
2410 if (skip) {
2411 continue;
2412 }
2413
2414 version = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2415 &qga_DEVPKEY_Device_DriverVersion, &cm_type);
2416 if (version == NULL) {
2417 slog("failed to get driver version");
2418 continue;
2419 }
2420 device->driver_version = g_utf16_to_utf8(version, -1, NULL,
2421 NULL, NULL);
2422 if (device->driver_version == NULL) {
2423 error_setg(errp, "conversion to utf8 failed (driver version)");
2424 continue;
2425 }
2426 device->has_driver_version = true;
2427
2428 date = (LPFILETIME)cm_get_property(dev_info_data.DevInst,
2429 &qga_DEVPKEY_Device_DriverDate, &cm_type);
2430 if (date == NULL) {
2431 slog("failed to get driver date");
2432 continue;
2433 }
2434 FileTimeToSystemTime(date, &utc_date);
2435 device->driver_date = g_strdup_printf("%04d-%02d-%02d",
2436 utc_date.wYear, utc_date.wMonth, utc_date.wDay);
2437 device->has_driver_date = true;
2438
2439 slog("driver: %s\ndriver version: %s,%s\n", device->driver_name,
2440 device->driver_date, device->driver_version);
2441 item = g_new0(GuestDeviceInfoList, 1);
2442 item->value = g_steal_pointer(&device);
2443 if (!cur_item) {
2444 head = cur_item = item;
2445 } else {
2446 cur_item->next = item;
2447 cur_item = item;
2448 }
2449 continue;
2450 }
2451
2452 if (dev_info != INVALID_HANDLE_VALUE) {
2453 SetupDiDestroyDeviceInfoList(dev_info);
2454 }
2455 return head;
2456 }