MAINTAINERS: add simplebench
[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 #include <setupapi.h>
25 #include <cfgmgr32.h>
26 #include <initguid.h>
27 #endif
28 #include <lm.h>
29 #include <wtsapi32.h>
30 #include <wininet.h>
31
32 #include "guest-agent-core.h"
33 #include "vss-win32.h"
34 #include "qga-qapi-commands.h"
35 #include "qapi/error.h"
36 #include "qapi/qmp/qerror.h"
37 #include "qemu/queue.h"
38 #include "qemu/host-utils.h"
39 #include "qemu/base64.h"
40
41 #ifndef SHTDN_REASON_FLAG_PLANNED
42 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
43 #endif
44
45 /* multiple of 100 nanoseconds elapsed between windows baseline
46 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
47 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
48 (365 * (1970 - 1601) + \
49 (1970 - 1601) / 4 - 3))
50
51 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
52
53 typedef struct GuestFileHandle {
54 int64_t id;
55 HANDLE fh;
56 QTAILQ_ENTRY(GuestFileHandle) next;
57 } GuestFileHandle;
58
59 static struct {
60 QTAILQ_HEAD(, GuestFileHandle) filehandles;
61 } guest_file_state = {
62 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
63 };
64
65 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
66
67 typedef struct OpenFlags {
68 const char *forms;
69 DWORD desired_access;
70 DWORD creation_disposition;
71 } OpenFlags;
72 static OpenFlags guest_file_open_modes[] = {
73 {"r", GENERIC_READ, OPEN_EXISTING},
74 {"rb", GENERIC_READ, OPEN_EXISTING},
75 {"w", GENERIC_WRITE, CREATE_ALWAYS},
76 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
77 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
78 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
79 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
80 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
81 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
82 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
83 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
84 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
85 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
86 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
87 };
88
89 #define debug_error(msg) do { \
90 char *suffix = g_win32_error_message(GetLastError()); \
91 g_debug("%s: %s", (msg), suffix); \
92 g_free(suffix); \
93 } while (0)
94
95 static OpenFlags *find_open_flag(const char *mode_str)
96 {
97 int mode;
98 Error **errp = NULL;
99
100 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
101 OpenFlags *flags = guest_file_open_modes + mode;
102
103 if (strcmp(flags->forms, mode_str) == 0) {
104 return flags;
105 }
106 }
107
108 error_setg(errp, "invalid file open mode '%s'", mode_str);
109 return NULL;
110 }
111
112 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
113 {
114 GuestFileHandle *gfh;
115 int64_t handle;
116
117 handle = ga_get_fd_handle(ga_state, errp);
118 if (handle < 0) {
119 return -1;
120 }
121 gfh = g_new0(GuestFileHandle, 1);
122 gfh->id = handle;
123 gfh->fh = fh;
124 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
125
126 return handle;
127 }
128
129 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
130 {
131 GuestFileHandle *gfh;
132 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
133 if (gfh->id == id) {
134 return gfh;
135 }
136 }
137 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
138 return NULL;
139 }
140
141 static void handle_set_nonblocking(HANDLE fh)
142 {
143 DWORD file_type, pipe_state;
144 file_type = GetFileType(fh);
145 if (file_type != FILE_TYPE_PIPE) {
146 return;
147 }
148 /* If file_type == FILE_TYPE_PIPE, according to MSDN
149 * the specified file is socket or named pipe */
150 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
151 NULL, NULL, NULL, 0)) {
152 return;
153 }
154 /* The fd is named pipe fd */
155 if (pipe_state & PIPE_NOWAIT) {
156 return;
157 }
158
159 pipe_state |= PIPE_NOWAIT;
160 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
161 }
162
163 int64_t qmp_guest_file_open(const char *path, bool has_mode,
164 const char *mode, Error **errp)
165 {
166 int64_t fd = -1;
167 HANDLE fh;
168 HANDLE templ_file = NULL;
169 DWORD share_mode = FILE_SHARE_READ;
170 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
171 LPSECURITY_ATTRIBUTES sa_attr = NULL;
172 OpenFlags *guest_flags;
173 GError *gerr = NULL;
174 wchar_t *w_path = NULL;
175
176 if (!has_mode) {
177 mode = "r";
178 }
179 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
180 guest_flags = find_open_flag(mode);
181 if (guest_flags == NULL) {
182 error_setg(errp, "invalid file open mode");
183 goto done;
184 }
185
186 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
187 if (!w_path) {
188 goto done;
189 }
190
191 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr,
192 guest_flags->creation_disposition, flags_and_attr,
193 templ_file);
194 if (fh == INVALID_HANDLE_VALUE) {
195 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
196 path);
197 goto done;
198 }
199
200 /* set fd non-blocking to avoid common use cases (like reading from a
201 * named pipe) from hanging the agent
202 */
203 handle_set_nonblocking(fh);
204
205 fd = guest_file_handle_add(fh, errp);
206 if (fd < 0) {
207 CloseHandle(fh);
208 error_setg(errp, "failed to add handle to qmp handle table");
209 goto done;
210 }
211
212 slog("guest-file-open, handle: % " PRId64, fd);
213
214 done:
215 if (gerr) {
216 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
217 g_error_free(gerr);
218 }
219 g_free(w_path);
220 return fd;
221 }
222
223 void qmp_guest_file_close(int64_t handle, Error **errp)
224 {
225 bool ret;
226 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
227 slog("guest-file-close called, handle: %" PRId64, handle);
228 if (gfh == NULL) {
229 return;
230 }
231 ret = CloseHandle(gfh->fh);
232 if (!ret) {
233 error_setg_win32(errp, GetLastError(), "failed close handle");
234 return;
235 }
236
237 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
238 g_free(gfh);
239 }
240
241 static void acquire_privilege(const char *name, Error **errp)
242 {
243 HANDLE token = NULL;
244 TOKEN_PRIVILEGES priv;
245 Error *local_err = NULL;
246
247 if (OpenProcessToken(GetCurrentProcess(),
248 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
249 {
250 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
251 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
252 "no luid for requested privilege");
253 goto out;
254 }
255
256 priv.PrivilegeCount = 1;
257 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
258
259 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
260 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
261 "unable to acquire requested privilege");
262 goto out;
263 }
264
265 } else {
266 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
267 "failed to open privilege token");
268 }
269
270 out:
271 if (token) {
272 CloseHandle(token);
273 }
274 error_propagate(errp, local_err);
275 }
276
277 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
278 Error **errp)
279 {
280 Error *local_err = NULL;
281
282 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
283 if (!thread) {
284 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
285 "failed to dispatch asynchronous command");
286 error_propagate(errp, local_err);
287 }
288 }
289
290 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
291 {
292 Error *local_err = NULL;
293 UINT shutdown_flag = EWX_FORCE;
294
295 slog("guest-shutdown called, mode: %s", mode);
296
297 if (!has_mode || strcmp(mode, "powerdown") == 0) {
298 shutdown_flag |= EWX_POWEROFF;
299 } else if (strcmp(mode, "halt") == 0) {
300 shutdown_flag |= EWX_SHUTDOWN;
301 } else if (strcmp(mode, "reboot") == 0) {
302 shutdown_flag |= EWX_REBOOT;
303 } else {
304 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
305 "halt|powerdown|reboot");
306 return;
307 }
308
309 /* Request a shutdown privilege, but try to shut down the system
310 anyway. */
311 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
312 if (local_err) {
313 error_propagate(errp, local_err);
314 return;
315 }
316
317 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
318 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
319 slog("guest-shutdown failed: %s", emsg);
320 error_setg_win32(errp, GetLastError(), "guest-shutdown failed");
321 }
322 }
323
324 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
325 int64_t count, Error **errp)
326 {
327 GuestFileRead *read_data = NULL;
328 guchar *buf;
329 HANDLE fh;
330 bool is_ok;
331 DWORD read_count;
332 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
333
334 if (!gfh) {
335 return NULL;
336 }
337 if (!has_count) {
338 count = QGA_READ_COUNT_DEFAULT;
339 } else if (count < 0 || count >= UINT32_MAX) {
340 error_setg(errp, "value '%" PRId64
341 "' is invalid for argument count", count);
342 return NULL;
343 }
344
345 fh = gfh->fh;
346 buf = g_malloc0(count+1);
347 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
348 if (!is_ok) {
349 error_setg_win32(errp, GetLastError(), "failed to read file");
350 slog("guest-file-read failed, handle %" PRId64, handle);
351 } else {
352 buf[read_count] = 0;
353 read_data = g_new0(GuestFileRead, 1);
354 read_data->count = (size_t)read_count;
355 read_data->eof = read_count == 0;
356
357 if (read_count != 0) {
358 read_data->buf_b64 = g_base64_encode(buf, read_count);
359 }
360 }
361 g_free(buf);
362
363 return read_data;
364 }
365
366 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
367 bool has_count, int64_t count,
368 Error **errp)
369 {
370 GuestFileWrite *write_data = NULL;
371 guchar *buf;
372 gsize buf_len;
373 bool is_ok;
374 DWORD write_count;
375 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
376 HANDLE fh;
377
378 if (!gfh) {
379 return NULL;
380 }
381 fh = gfh->fh;
382 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
383 if (!buf) {
384 return NULL;
385 }
386
387 if (!has_count) {
388 count = buf_len;
389 } else if (count < 0 || count > buf_len) {
390 error_setg(errp, "value '%" PRId64
391 "' is invalid for argument count", count);
392 goto done;
393 }
394
395 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
396 if (!is_ok) {
397 error_setg_win32(errp, GetLastError(), "failed to write to file");
398 slog("guest-file-write-failed, handle: %" PRId64, handle);
399 } else {
400 write_data = g_new0(GuestFileWrite, 1);
401 write_data->count = (size_t) write_count;
402 }
403
404 done:
405 g_free(buf);
406 return write_data;
407 }
408
409 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
410 GuestFileWhence *whence_code,
411 Error **errp)
412 {
413 GuestFileHandle *gfh;
414 GuestFileSeek *seek_data;
415 HANDLE fh;
416 LARGE_INTEGER new_pos, off_pos;
417 off_pos.QuadPart = offset;
418 BOOL res;
419 int whence;
420 Error *err = NULL;
421
422 gfh = guest_file_handle_find(handle, errp);
423 if (!gfh) {
424 return NULL;
425 }
426
427 /* We stupidly exposed 'whence':'int' in our qapi */
428 whence = ga_parse_whence(whence_code, &err);
429 if (err) {
430 error_propagate(errp, err);
431 return NULL;
432 }
433
434 fh = gfh->fh;
435 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
436 if (!res) {
437 error_setg_win32(errp, GetLastError(), "failed to seek file");
438 return NULL;
439 }
440 seek_data = g_new0(GuestFileSeek, 1);
441 seek_data->position = new_pos.QuadPart;
442 return seek_data;
443 }
444
445 void qmp_guest_file_flush(int64_t handle, Error **errp)
446 {
447 HANDLE fh;
448 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
449 if (!gfh) {
450 return;
451 }
452
453 fh = gfh->fh;
454 if (!FlushFileBuffers(fh)) {
455 error_setg_win32(errp, GetLastError(), "failed to flush file");
456 }
457 }
458
459 #ifdef CONFIG_QGA_NTDDSCSI
460
461 static GuestDiskBusType win2qemu[] = {
462 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
463 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
464 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
465 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
466 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
467 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
468 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
469 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
470 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
471 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
472 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
473 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
474 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
475 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
476 #if (_WIN32_WINNT >= 0x0601)
477 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
478 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
479 #endif
480 };
481
482 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
483 {
484 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
485 return GUEST_DISK_BUS_TYPE_UNKNOWN;
486 }
487 return win2qemu[(int)bus];
488 }
489
490 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
491 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
492 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
493 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
494 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
495 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
496
497 static GuestPCIAddress *get_pci_info(int number, Error **errp)
498 {
499 HDEVINFO dev_info;
500 SP_DEVINFO_DATA dev_info_data;
501 SP_DEVICE_INTERFACE_DATA dev_iface_data;
502 HANDLE dev_file;
503 int i;
504 GuestPCIAddress *pci = NULL;
505 bool partial_pci = false;
506
507 pci = g_malloc0(sizeof(*pci));
508 pci->domain = -1;
509 pci->slot = -1;
510 pci->function = -1;
511 pci->bus = -1;
512
513 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
514 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
515 if (dev_info == INVALID_HANDLE_VALUE) {
516 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
517 goto out;
518 }
519
520 g_debug("enumerating devices");
521 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
522 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
523 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
524 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
525 STORAGE_DEVICE_NUMBER sdn;
526 char *parent_dev_id = NULL;
527 HDEVINFO parent_dev_info;
528 SP_DEVINFO_DATA parent_dev_info_data;
529 DWORD j;
530 DWORD size = 0;
531
532 g_debug("getting device path");
533 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
534 &GUID_DEVINTERFACE_DISK, 0,
535 &dev_iface_data)) {
536 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
537 pdev_iface_detail_data,
538 size, &size,
539 &dev_info_data)) {
540 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
541 pdev_iface_detail_data = g_malloc(size);
542 pdev_iface_detail_data->cbSize =
543 sizeof(*pdev_iface_detail_data);
544 } else {
545 error_setg_win32(errp, GetLastError(),
546 "failed to get device interfaces");
547 goto free_dev_info;
548 }
549 }
550
551 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
552 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
553 NULL);
554 g_free(pdev_iface_detail_data);
555
556 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
557 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
558 CloseHandle(dev_file);
559 error_setg_win32(errp, GetLastError(),
560 "failed to get device slot number");
561 goto free_dev_info;
562 }
563
564 CloseHandle(dev_file);
565 if (sdn.DeviceNumber != number) {
566 continue;
567 }
568 } else {
569 error_setg_win32(errp, GetLastError(),
570 "failed to get device interfaces");
571 goto free_dev_info;
572 }
573
574 g_debug("found device slot %d. Getting storage controller", number);
575 {
576 CONFIGRET cr;
577 DEVINST dev_inst, parent_dev_inst;
578 ULONG dev_id_size = 0;
579
580 size = 0;
581 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
582 parent_dev_id, size, &size)) {
583 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
584 parent_dev_id = g_malloc(size);
585 } else {
586 error_setg_win32(errp, GetLastError(),
587 "failed to get device instance ID");
588 goto out;
589 }
590 }
591
592 /*
593 * CM API used here as opposed to
594 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
595 * which exports are only available in mingw-w64 6+
596 */
597 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
598 if (cr != CR_SUCCESS) {
599 g_error("CM_Locate_DevInst failed with code %lx", cr);
600 error_setg_win32(errp, GetLastError(),
601 "failed to get device instance");
602 goto out;
603 }
604 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
605 if (cr != CR_SUCCESS) {
606 g_error("CM_Get_Parent failed with code %lx", cr);
607 error_setg_win32(errp, GetLastError(),
608 "failed to get parent device instance");
609 goto out;
610 }
611
612 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
613 if (cr != CR_SUCCESS) {
614 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
615 error_setg_win32(errp, GetLastError(),
616 "failed to get parent device ID length");
617 goto out;
618 }
619
620 ++dev_id_size;
621 if (dev_id_size > size) {
622 g_free(parent_dev_id);
623 parent_dev_id = g_malloc(dev_id_size);
624 }
625
626 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
627 0);
628 if (cr != CR_SUCCESS) {
629 g_error("CM_Get_Device_ID failed with code %lx", cr);
630 error_setg_win32(errp, GetLastError(),
631 "failed to get parent device ID");
632 goto out;
633 }
634 }
635
636 g_debug("querying storage controller %s for PCI information",
637 parent_dev_id);
638 parent_dev_info =
639 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
640 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
641 g_free(parent_dev_id);
642
643 if (parent_dev_info == INVALID_HANDLE_VALUE) {
644 error_setg_win32(errp, GetLastError(),
645 "failed to get parent device");
646 goto out;
647 }
648
649 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
650 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
651 error_setg_win32(errp, GetLastError(),
652 "failed to get parent device data");
653 goto out;
654 }
655
656 for (j = 0;
657 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data);
658 j++) {
659 DWORD addr, bus, ui_slot, type;
660 int func, slot;
661
662 /*
663 * There is no need to allocate buffer in the next functions. The
664 * size is known and ULONG according to
665 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
666 */
667 if (!SetupDiGetDeviceRegistryProperty(
668 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER,
669 &type, (PBYTE)&bus, size, NULL)) {
670 debug_error("failed to get PCI bus");
671 bus = -1;
672 partial_pci = true;
673 }
674
675 /*
676 * The function retrieves the device's address. This value will be
677 * transformed into device function and number
678 */
679 if (!SetupDiGetDeviceRegistryProperty(
680 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS,
681 &type, (PBYTE)&addr, size, NULL)) {
682 debug_error("failed to get PCI address");
683 addr = -1;
684 partial_pci = true;
685 }
686
687 /*
688 * This call returns UINumber of DEVICE_CAPABILITIES structure.
689 * This number is typically a user-perceived slot number.
690 */
691 if (!SetupDiGetDeviceRegistryProperty(
692 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER,
693 &type, (PBYTE)&ui_slot, size, NULL)) {
694 debug_error("failed to get PCI slot");
695 ui_slot = -1;
696 partial_pci = true;
697 }
698
699 /*
700 * SetupApi gives us the same information as driver with
701 * IoGetDeviceProperty. According to Microsoft:
702 *
703 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
704 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
705 * SPDRP_ADDRESS is propertyAddress, so we do the same.
706 *
707 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
708 */
709 if (partial_pci) {
710 pci->domain = -1;
711 pci->slot = -1;
712 pci->function = -1;
713 pci->bus = -1;
714 continue;
715 } else {
716 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
717 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
718 if ((int)ui_slot != slot) {
719 g_debug("mismatch with reported slot values: %d vs %d",
720 (int)ui_slot, slot);
721 }
722 pci->domain = 0;
723 pci->slot = (int)ui_slot;
724 pci->function = func;
725 pci->bus = (int)bus;
726 break;
727 }
728 }
729 SetupDiDestroyDeviceInfoList(parent_dev_info);
730 break;
731 }
732
733 free_dev_info:
734 SetupDiDestroyDeviceInfoList(dev_info);
735 out:
736 return pci;
737 }
738
739 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
740 Error **errp)
741 {
742 STORAGE_PROPERTY_QUERY query;
743 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
744 DWORD received;
745 ULONG size = sizeof(buf);
746
747 dev_desc = &buf;
748 query.PropertyId = StorageDeviceProperty;
749 query.QueryType = PropertyStandardQuery;
750
751 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
752 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
753 size, &received, NULL)) {
754 error_setg_win32(errp, GetLastError(), "failed to get bus type");
755 return;
756 }
757 disk->bus_type = find_bus_type(dev_desc->BusType);
758 g_debug("bus type %d", disk->bus_type);
759
760 /* Query once more. Now with long enough buffer. */
761 size = dev_desc->Size;
762 dev_desc = g_malloc0(size);
763 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
764 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
765 size, &received, NULL)) {
766 error_setg_win32(errp, GetLastError(), "failed to get serial number");
767 g_debug("failed to get serial number");
768 goto out_free;
769 }
770 if (dev_desc->SerialNumberOffset > 0) {
771 const char *serial;
772 size_t len;
773
774 if (dev_desc->SerialNumberOffset >= received) {
775 error_setg(errp, "failed to get serial number: offset outside the buffer");
776 g_debug("serial number offset outside the buffer");
777 goto out_free;
778 }
779 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
780 len = received - dev_desc->SerialNumberOffset;
781 g_debug("serial number \"%s\"", serial);
782 if (*serial != 0) {
783 disk->serial = g_strndup(serial, len);
784 disk->has_serial = true;
785 }
786 }
787 out_free:
788 g_free(dev_desc);
789
790 return;
791 }
792
793 static void get_single_disk_info(int disk_number,
794 GuestDiskAddress *disk, Error **errp)
795 {
796 SCSI_ADDRESS addr, *scsi_ad;
797 DWORD len;
798 HANDLE disk_h;
799 Error *local_err = NULL;
800
801 scsi_ad = &addr;
802
803 g_debug("getting disk info for: %s", disk->dev);
804 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
805 0, NULL);
806 if (disk_h == INVALID_HANDLE_VALUE) {
807 error_setg_win32(errp, GetLastError(), "failed to open disk");
808 return;
809 }
810
811 get_disk_properties(disk_h, disk, &local_err);
812 if (local_err) {
813 error_propagate(errp, local_err);
814 goto err_close;
815 }
816
817 g_debug("bus type %d", disk->bus_type);
818 /* always set pci_controller as required by schema. get_pci_info() should
819 * report -1 values for non-PCI buses rather than fail. fail the command
820 * if that doesn't hold since that suggests some other unexpected
821 * breakage
822 */
823 disk->pci_controller = get_pci_info(disk_number, &local_err);
824 if (local_err) {
825 error_propagate(errp, local_err);
826 goto err_close;
827 }
828 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
829 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
830 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
831 /* This bus type is not supported before Windows Server 2003 SP1 */
832 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
833 ) {
834 /* We are able to use the same ioctls for different bus types
835 * according to Microsoft docs
836 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
837 g_debug("getting SCSI info");
838 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
839 sizeof(SCSI_ADDRESS), &len, NULL)) {
840 disk->unit = addr.Lun;
841 disk->target = addr.TargetId;
842 disk->bus = addr.PathId;
843 }
844 /* We do not set error in this case, because we still have enough
845 * information about volume. */
846 }
847
848 err_close:
849 CloseHandle(disk_h);
850 return;
851 }
852
853 /* VSS provider works with volumes, thus there is no difference if
854 * the volume consist of spanned disks. Info about the first disk in the
855 * volume is returned for the spanned disk group (LVM) */
856 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
857 {
858 Error *local_err = NULL;
859 GuestDiskAddressList *list = NULL, *cur_item = NULL;
860 GuestDiskAddress *disk = NULL;
861 int i;
862 HANDLE vol_h;
863 DWORD size;
864 PVOLUME_DISK_EXTENTS extents = NULL;
865
866 /* strip final backslash */
867 char *name = g_strdup(guid);
868 if (g_str_has_suffix(name, "\\")) {
869 name[strlen(name) - 1] = 0;
870 }
871
872 g_debug("opening %s", name);
873 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
874 0, NULL);
875 if (vol_h == INVALID_HANDLE_VALUE) {
876 error_setg_win32(errp, GetLastError(), "failed to open volume");
877 goto out;
878 }
879
880 /* Get list of extents */
881 g_debug("getting disk extents");
882 size = sizeof(VOLUME_DISK_EXTENTS);
883 extents = g_malloc0(size);
884 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
885 0, extents, size, &size, NULL)) {
886 DWORD last_err = GetLastError();
887 if (last_err == ERROR_MORE_DATA) {
888 /* Try once more with big enough buffer */
889 g_free(extents);
890 extents = g_malloc0(size);
891 if (!DeviceIoControl(
892 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
893 0, extents, size, NULL, NULL)) {
894 error_setg_win32(errp, GetLastError(),
895 "failed to get disk extents");
896 goto out;
897 }
898 } else if (last_err == ERROR_INVALID_FUNCTION) {
899 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
900 g_debug("volume not on disk");
901 disk = g_malloc0(sizeof(GuestDiskAddress));
902 disk->has_dev = true;
903 disk->dev = g_strdup(name);
904 get_single_disk_info(0xffffffff, disk, &local_err);
905 if (local_err) {
906 g_debug("failed to get disk info, ignoring error: %s",
907 error_get_pretty(local_err));
908 error_free(local_err);
909 goto out;
910 }
911 list = g_malloc0(sizeof(*list));
912 list->value = disk;
913 disk = NULL;
914 list->next = NULL;
915 goto out;
916 } else {
917 error_setg_win32(errp, GetLastError(),
918 "failed to get disk extents");
919 goto out;
920 }
921 }
922 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
923
924 /* Go through each extent */
925 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
926 disk = g_malloc0(sizeof(GuestDiskAddress));
927
928 /* Disk numbers directly correspond to numbers used in UNCs
929 *
930 * See documentation for DISK_EXTENT:
931 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
932 *
933 * See also Naming Files, Paths and Namespaces:
934 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
935 */
936 disk->has_dev = true;
937 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
938 extents->Extents[i].DiskNumber);
939
940 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
941 if (local_err) {
942 error_propagate(errp, local_err);
943 goto out;
944 }
945 cur_item = g_malloc0(sizeof(*list));
946 cur_item->value = disk;
947 disk = NULL;
948 cur_item->next = list;
949 list = cur_item;
950 }
951
952
953 out:
954 if (vol_h != INVALID_HANDLE_VALUE) {
955 CloseHandle(vol_h);
956 }
957 qapi_free_GuestDiskAddress(disk);
958 g_free(extents);
959 g_free(name);
960
961 return list;
962 }
963
964 #else
965
966 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
967 {
968 return NULL;
969 }
970
971 #endif /* CONFIG_QGA_NTDDSCSI */
972
973 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
974 {
975 DWORD info_size;
976 char mnt, *mnt_point;
977 char fs_name[32];
978 char vol_info[MAX_PATH+1];
979 size_t len;
980 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
981 GuestFilesystemInfo *fs = NULL;
982
983 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
984 if (GetLastError() != ERROR_MORE_DATA) {
985 error_setg_win32(errp, GetLastError(), "failed to get volume name");
986 return NULL;
987 }
988
989 mnt_point = g_malloc(info_size + 1);
990 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
991 &info_size)) {
992 error_setg_win32(errp, GetLastError(), "failed to get volume name");
993 goto free;
994 }
995
996 len = strlen(mnt_point);
997 mnt_point[len] = '\\';
998 mnt_point[len+1] = 0;
999 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
1000 NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
1001 if (GetLastError() != ERROR_NOT_READY) {
1002 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1003 }
1004 goto free;
1005 }
1006
1007 fs_name[sizeof(fs_name) - 1] = 0;
1008 fs = g_malloc(sizeof(*fs));
1009 fs->name = g_strdup(guid);
1010 fs->has_total_bytes = false;
1011 fs->has_used_bytes = false;
1012 if (len == 0) {
1013 fs->mountpoint = g_strdup("System Reserved");
1014 } else {
1015 fs->mountpoint = g_strndup(mnt_point, len);
1016 if (GetDiskFreeSpaceEx(fs->mountpoint,
1017 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1018 (PULARGE_INTEGER) & i64TotalBytes,
1019 (PULARGE_INTEGER) & i64FreeBytes)) {
1020 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1021 fs->total_bytes = i64TotalBytes;
1022 fs->has_total_bytes = true;
1023 fs->has_used_bytes = true;
1024 }
1025 }
1026 fs->type = g_strdup(fs_name);
1027 fs->disk = build_guest_disk_info(guid, errp);
1028 free:
1029 g_free(mnt_point);
1030 return fs;
1031 }
1032
1033 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1034 {
1035 HANDLE vol_h;
1036 GuestFilesystemInfoList *new, *ret = NULL;
1037 char guid[256];
1038
1039 vol_h = FindFirstVolume(guid, sizeof(guid));
1040 if (vol_h == INVALID_HANDLE_VALUE) {
1041 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1042 return NULL;
1043 }
1044
1045 do {
1046 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
1047 if (info == NULL) {
1048 continue;
1049 }
1050 new = g_malloc(sizeof(*ret));
1051 new->value = info;
1052 new->next = ret;
1053 ret = new;
1054 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1055
1056 if (GetLastError() != ERROR_NO_MORE_FILES) {
1057 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1058 }
1059
1060 FindVolumeClose(vol_h);
1061 return ret;
1062 }
1063
1064 /*
1065 * Return status of freeze/thaw
1066 */
1067 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1068 {
1069 if (!vss_initialized()) {
1070 error_setg(errp, QERR_UNSUPPORTED);
1071 return 0;
1072 }
1073
1074 if (ga_is_frozen(ga_state)) {
1075 return GUEST_FSFREEZE_STATUS_FROZEN;
1076 }
1077
1078 return GUEST_FSFREEZE_STATUS_THAWED;
1079 }
1080
1081 /*
1082 * Freeze local file systems using Volume Shadow-copy Service.
1083 * The frozen state is limited for up to 10 seconds by VSS.
1084 */
1085 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1086 {
1087 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1088 }
1089
1090 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1091 strList *mountpoints,
1092 Error **errp)
1093 {
1094 int i;
1095 Error *local_err = NULL;
1096
1097 if (!vss_initialized()) {
1098 error_setg(errp, QERR_UNSUPPORTED);
1099 return 0;
1100 }
1101
1102 slog("guest-fsfreeze called");
1103
1104 /* cannot risk guest agent blocking itself on a write in this state */
1105 ga_set_frozen(ga_state);
1106
1107 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1108 if (local_err) {
1109 error_propagate(errp, local_err);
1110 goto error;
1111 }
1112
1113 return i;
1114
1115 error:
1116 local_err = NULL;
1117 qmp_guest_fsfreeze_thaw(&local_err);
1118 if (local_err) {
1119 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1120 error_free(local_err);
1121 }
1122 return 0;
1123 }
1124
1125 /*
1126 * Thaw local file systems using Volume Shadow-copy Service.
1127 */
1128 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1129 {
1130 int i;
1131
1132 if (!vss_initialized()) {
1133 error_setg(errp, QERR_UNSUPPORTED);
1134 return 0;
1135 }
1136
1137 qga_vss_fsfreeze(&i, false, NULL, errp);
1138
1139 ga_unset_frozen(ga_state);
1140 return i;
1141 }
1142
1143 static void guest_fsfreeze_cleanup(void)
1144 {
1145 Error *err = NULL;
1146
1147 if (!vss_initialized()) {
1148 return;
1149 }
1150
1151 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1152 qmp_guest_fsfreeze_thaw(&err);
1153 if (err) {
1154 slog("failed to clean up frozen filesystems: %s",
1155 error_get_pretty(err));
1156 error_free(err);
1157 }
1158 }
1159
1160 vss_deinit(true);
1161 }
1162
1163 /*
1164 * Walk list of mounted file systems in the guest, and discard unused
1165 * areas.
1166 */
1167 GuestFilesystemTrimResponse *
1168 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1169 {
1170 GuestFilesystemTrimResponse *resp;
1171 HANDLE handle;
1172 WCHAR guid[MAX_PATH] = L"";
1173 OSVERSIONINFO osvi;
1174 BOOL win8_or_later;
1175
1176 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1177 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1178 GetVersionEx(&osvi);
1179 win8_or_later = (osvi.dwMajorVersion > 6 ||
1180 ((osvi.dwMajorVersion == 6) &&
1181 (osvi.dwMinorVersion >= 2)));
1182 if (!win8_or_later) {
1183 error_setg(errp, "fstrim is only supported for Win8+");
1184 return NULL;
1185 }
1186
1187 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1188 if (handle == INVALID_HANDLE_VALUE) {
1189 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1190 return NULL;
1191 }
1192
1193 resp = g_new0(GuestFilesystemTrimResponse, 1);
1194
1195 do {
1196 GuestFilesystemTrimResult *res;
1197 GuestFilesystemTrimResultList *list;
1198 PWCHAR uc_path;
1199 DWORD char_count = 0;
1200 char *path, *out;
1201 GError *gerr = NULL;
1202 gchar * argv[4];
1203
1204 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1205
1206 if (GetLastError() != ERROR_MORE_DATA) {
1207 continue;
1208 }
1209 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1210 continue;
1211 }
1212
1213 uc_path = g_malloc(sizeof(WCHAR) * char_count);
1214 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1215 &char_count) || !*uc_path) {
1216 /* strange, but this condition could be faced even with size == 2 */
1217 g_free(uc_path);
1218 continue;
1219 }
1220
1221 res = g_new0(GuestFilesystemTrimResult, 1);
1222
1223 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1224
1225 g_free(uc_path);
1226
1227 if (!path) {
1228 res->has_error = true;
1229 res->error = g_strdup(gerr->message);
1230 g_error_free(gerr);
1231 break;
1232 }
1233
1234 res->path = path;
1235
1236 list = g_new0(GuestFilesystemTrimResultList, 1);
1237 list->value = res;
1238 list->next = resp->paths;
1239
1240 resp->paths = list;
1241
1242 memset(argv, 0, sizeof(argv));
1243 argv[0] = (gchar *)"defrag.exe";
1244 argv[1] = (gchar *)"/L";
1245 argv[2] = path;
1246
1247 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1248 &out /* stdout */, NULL /* stdin */,
1249 NULL, &gerr)) {
1250 res->has_error = true;
1251 res->error = g_strdup(gerr->message);
1252 g_error_free(gerr);
1253 } else {
1254 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1255 Error is reported in the output with something like
1256 (x89000020) etc code in the stdout */
1257
1258 int i;
1259 gchar **lines = g_strsplit(out, "\r\n", 0);
1260 g_free(out);
1261
1262 for (i = 0; lines[i] != NULL; i++) {
1263 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1264 continue;
1265 }
1266 res->has_error = true;
1267 res->error = g_strdup(lines[i]);
1268 break;
1269 }
1270 g_strfreev(lines);
1271 }
1272 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1273
1274 FindVolumeClose(handle);
1275 return resp;
1276 }
1277
1278 typedef enum {
1279 GUEST_SUSPEND_MODE_DISK,
1280 GUEST_SUSPEND_MODE_RAM
1281 } GuestSuspendMode;
1282
1283 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1284 {
1285 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1286 Error *local_err = NULL;
1287
1288 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1289 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1290 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1291 "failed to determine guest suspend capabilities");
1292 goto out;
1293 }
1294
1295 switch (mode) {
1296 case GUEST_SUSPEND_MODE_DISK:
1297 if (!sys_pwr_caps.SystemS4) {
1298 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1299 "suspend-to-disk not supported by OS");
1300 }
1301 break;
1302 case GUEST_SUSPEND_MODE_RAM:
1303 if (!sys_pwr_caps.SystemS3) {
1304 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1305 "suspend-to-ram not supported by OS");
1306 }
1307 break;
1308 default:
1309 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
1310 "GuestSuspendMode");
1311 }
1312
1313 out:
1314 error_propagate(errp, local_err);
1315 }
1316
1317 static DWORD WINAPI do_suspend(LPVOID opaque)
1318 {
1319 GuestSuspendMode *mode = opaque;
1320 DWORD ret = 0;
1321
1322 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1323 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
1324 slog("failed to suspend guest: %s", emsg);
1325 ret = -1;
1326 }
1327 g_free(mode);
1328 return ret;
1329 }
1330
1331 void qmp_guest_suspend_disk(Error **errp)
1332 {
1333 Error *local_err = NULL;
1334 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1335
1336 *mode = GUEST_SUSPEND_MODE_DISK;
1337 check_suspend_mode(*mode, &local_err);
1338 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1339 execute_async(do_suspend, mode, &local_err);
1340
1341 if (local_err) {
1342 error_propagate(errp, local_err);
1343 g_free(mode);
1344 }
1345 }
1346
1347 void qmp_guest_suspend_ram(Error **errp)
1348 {
1349 Error *local_err = NULL;
1350 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1351
1352 *mode = GUEST_SUSPEND_MODE_RAM;
1353 check_suspend_mode(*mode, &local_err);
1354 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1355 execute_async(do_suspend, mode, &local_err);
1356
1357 if (local_err) {
1358 error_propagate(errp, local_err);
1359 g_free(mode);
1360 }
1361 }
1362
1363 void qmp_guest_suspend_hybrid(Error **errp)
1364 {
1365 error_setg(errp, QERR_UNSUPPORTED);
1366 }
1367
1368 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1369 {
1370 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1371 ULONG adptr_addrs_len = 0;
1372 DWORD ret;
1373
1374 /* Call the first time to get the adptr_addrs_len. */
1375 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1376 NULL, adptr_addrs, &adptr_addrs_len);
1377
1378 adptr_addrs = g_malloc(adptr_addrs_len);
1379 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1380 NULL, adptr_addrs, &adptr_addrs_len);
1381 if (ret != ERROR_SUCCESS) {
1382 error_setg_win32(errp, ret, "failed to get adapters addresses");
1383 g_free(adptr_addrs);
1384 adptr_addrs = NULL;
1385 }
1386 return adptr_addrs;
1387 }
1388
1389 static char *guest_wctomb_dup(WCHAR *wstr)
1390 {
1391 char *str;
1392 size_t str_size;
1393
1394 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
1395 /* add 1 to str_size for NULL terminator */
1396 str = g_malloc(str_size + 1);
1397 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL);
1398 return str;
1399 }
1400
1401 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1402 Error **errp)
1403 {
1404 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1405 DWORD len;
1406 int ret;
1407
1408 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1409 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1410 len = sizeof(addr_str);
1411 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1412 ip_addr->Address.iSockaddrLength,
1413 NULL,
1414 addr_str,
1415 &len);
1416 if (ret != 0) {
1417 error_setg_win32(errp, WSAGetLastError(),
1418 "failed address presentation form conversion");
1419 return NULL;
1420 }
1421 return g_strdup(addr_str);
1422 }
1423 return NULL;
1424 }
1425
1426 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1427 {
1428 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1429 * field to obtain the prefix.
1430 */
1431 return ip_addr->OnLinkPrefixLength;
1432 }
1433
1434 #define INTERFACE_PATH_BUF_SZ 512
1435
1436 static DWORD get_interface_index(const char *guid)
1437 {
1438 ULONG index;
1439 DWORD status;
1440 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1441 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1442 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1443 status = GetAdapterIndex (wbuf, &index);
1444 if (status != NO_ERROR) {
1445 return (DWORD)~0;
1446 } else {
1447 return index;
1448 }
1449 }
1450
1451 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1452
1453 static int guest_get_network_stats(const char *name,
1454 GuestNetworkInterfaceStat *stats)
1455 {
1456 OSVERSIONINFO os_ver;
1457
1458 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1459 GetVersionEx(&os_ver);
1460 if (os_ver.dwMajorVersion >= 6) {
1461 MIB_IF_ROW2 a_mid_ifrow;
1462 GetIfEntry2Func getifentry2_ex;
1463 DWORD if_index = 0;
1464 HMODULE module = GetModuleHandle("iphlpapi");
1465 PVOID func = GetProcAddress(module, "GetIfEntry2");
1466
1467 if (func == NULL) {
1468 return -1;
1469 }
1470
1471 getifentry2_ex = (GetIfEntry2Func)func;
1472 if_index = get_interface_index(name);
1473 if (if_index == (DWORD)~0) {
1474 return -1;
1475 }
1476
1477 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1478 a_mid_ifrow.InterfaceIndex = if_index;
1479 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1480 stats->rx_bytes = a_mid_ifrow.InOctets;
1481 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1482 stats->rx_errs = a_mid_ifrow.InErrors;
1483 stats->rx_dropped = a_mid_ifrow.InDiscards;
1484 stats->tx_bytes = a_mid_ifrow.OutOctets;
1485 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1486 stats->tx_errs = a_mid_ifrow.OutErrors;
1487 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1488 return 0;
1489 }
1490 }
1491 return -1;
1492 }
1493
1494 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1495 {
1496 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1497 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1498 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1499 GuestIpAddressList *head_addr, *cur_addr;
1500 GuestNetworkInterfaceList *info;
1501 GuestNetworkInterfaceStat *interface_stat = NULL;
1502 GuestIpAddressList *address_item = NULL;
1503 unsigned char *mac_addr;
1504 char *addr_str;
1505 WORD wsa_version;
1506 WSADATA wsa_data;
1507 int ret;
1508
1509 adptr_addrs = guest_get_adapters_addresses(errp);
1510 if (adptr_addrs == NULL) {
1511 return NULL;
1512 }
1513
1514 /* Make WSA APIs available. */
1515 wsa_version = MAKEWORD(2, 2);
1516 ret = WSAStartup(wsa_version, &wsa_data);
1517 if (ret != 0) {
1518 error_setg_win32(errp, ret, "failed socket startup");
1519 goto out;
1520 }
1521
1522 for (addr = adptr_addrs; addr; addr = addr->Next) {
1523 info = g_malloc0(sizeof(*info));
1524
1525 if (cur_item == NULL) {
1526 head = cur_item = info;
1527 } else {
1528 cur_item->next = info;
1529 cur_item = info;
1530 }
1531
1532 info->value = g_malloc0(sizeof(*info->value));
1533 info->value->name = guest_wctomb_dup(addr->FriendlyName);
1534
1535 if (addr->PhysicalAddressLength != 0) {
1536 mac_addr = addr->PhysicalAddress;
1537
1538 info->value->hardware_address =
1539 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1540 (int) mac_addr[0], (int) mac_addr[1],
1541 (int) mac_addr[2], (int) mac_addr[3],
1542 (int) mac_addr[4], (int) mac_addr[5]);
1543
1544 info->value->has_hardware_address = true;
1545 }
1546
1547 head_addr = NULL;
1548 cur_addr = NULL;
1549 for (ip_addr = addr->FirstUnicastAddress;
1550 ip_addr;
1551 ip_addr = ip_addr->Next) {
1552 addr_str = guest_addr_to_str(ip_addr, errp);
1553 if (addr_str == NULL) {
1554 continue;
1555 }
1556
1557 address_item = g_malloc0(sizeof(*address_item));
1558
1559 if (!cur_addr) {
1560 head_addr = cur_addr = address_item;
1561 } else {
1562 cur_addr->next = address_item;
1563 cur_addr = address_item;
1564 }
1565
1566 address_item->value = g_malloc0(sizeof(*address_item->value));
1567 address_item->value->ip_address = addr_str;
1568 address_item->value->prefix = guest_ip_prefix(ip_addr);
1569 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1570 address_item->value->ip_address_type =
1571 GUEST_IP_ADDRESS_TYPE_IPV4;
1572 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1573 address_item->value->ip_address_type =
1574 GUEST_IP_ADDRESS_TYPE_IPV6;
1575 }
1576 }
1577 if (head_addr) {
1578 info->value->has_ip_addresses = true;
1579 info->value->ip_addresses = head_addr;
1580 }
1581 if (!info->value->has_statistics) {
1582 interface_stat = g_malloc0(sizeof(*interface_stat));
1583 if (guest_get_network_stats(addr->AdapterName,
1584 interface_stat) == -1) {
1585 info->value->has_statistics = false;
1586 g_free(interface_stat);
1587 } else {
1588 info->value->statistics = interface_stat;
1589 info->value->has_statistics = true;
1590 }
1591 }
1592 }
1593 WSACleanup();
1594 out:
1595 g_free(adptr_addrs);
1596 return head;
1597 }
1598
1599 int64_t qmp_guest_get_time(Error **errp)
1600 {
1601 SYSTEMTIME ts = {0};
1602 FILETIME tf;
1603
1604 GetSystemTime(&ts);
1605 if (ts.wYear < 1601 || ts.wYear > 30827) {
1606 error_setg(errp, "Failed to get time");
1607 return -1;
1608 }
1609
1610 if (!SystemTimeToFileTime(&ts, &tf)) {
1611 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1612 return -1;
1613 }
1614
1615 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1616 - W32_FT_OFFSET) * 100;
1617 }
1618
1619 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1620 {
1621 Error *local_err = NULL;
1622 SYSTEMTIME ts;
1623 FILETIME tf;
1624 LONGLONG time;
1625
1626 if (!has_time) {
1627 /* Unfortunately, Windows libraries don't provide an easy way to access
1628 * RTC yet:
1629 *
1630 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1631 *
1632 * Instead, a workaround is to use the Windows win32tm command to
1633 * resync the time using the Windows Time service.
1634 */
1635 LPVOID msg_buffer;
1636 DWORD ret_flags;
1637
1638 HRESULT hr = system("w32tm /resync /nowait");
1639
1640 if (GetLastError() != 0) {
1641 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1642 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1643 } else if (hr != 0) {
1644 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1645 error_setg(errp, "Windows Time service not running on the "
1646 "guest");
1647 } else {
1648 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1649 FORMAT_MESSAGE_FROM_SYSTEM |
1650 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1651 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1652 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1653 NULL)) {
1654 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1655 "t retrieve error message", hr);
1656 } else {
1657 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1658 (LPCTSTR)msg_buffer);
1659 LocalFree(msg_buffer);
1660 }
1661 }
1662 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1663 error_setg(errp, "No internet connection on guest, sync not "
1664 "accurate");
1665 }
1666 return;
1667 }
1668
1669 /* Validate time passed by user. */
1670 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1671 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1672 return;
1673 }
1674
1675 time = time_ns / 100 + W32_FT_OFFSET;
1676
1677 tf.dwLowDateTime = (DWORD) time;
1678 tf.dwHighDateTime = (DWORD) (time >> 32);
1679
1680 if (!FileTimeToSystemTime(&tf, &ts)) {
1681 error_setg(errp, "Failed to convert system time %d",
1682 (int)GetLastError());
1683 return;
1684 }
1685
1686 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1687 if (local_err) {
1688 error_propagate(errp, local_err);
1689 return;
1690 }
1691
1692 if (!SetSystemTime(&ts)) {
1693 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1694 return;
1695 }
1696 }
1697
1698 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1699 {
1700 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1701 DWORD length;
1702 GuestLogicalProcessorList *head, **link;
1703 Error *local_err = NULL;
1704 int64_t current;
1705
1706 ptr = pslpi = NULL;
1707 length = 0;
1708 current = 0;
1709 head = NULL;
1710 link = &head;
1711
1712 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1713 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1714 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1715 ptr = pslpi = g_malloc0(length);
1716 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1717 error_setg(&local_err, "Failed to get processor information: %d",
1718 (int)GetLastError());
1719 }
1720 } else {
1721 error_setg(&local_err,
1722 "Failed to get processor information buffer length: %d",
1723 (int)GetLastError());
1724 }
1725
1726 while ((local_err == NULL) && (length > 0)) {
1727 if (pslpi->Relationship == RelationProcessorCore) {
1728 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1729
1730 while (cpu_bits > 0) {
1731 if (!!(cpu_bits & 1)) {
1732 GuestLogicalProcessor *vcpu;
1733 GuestLogicalProcessorList *entry;
1734
1735 vcpu = g_malloc0(sizeof *vcpu);
1736 vcpu->logical_id = current++;
1737 vcpu->online = true;
1738 vcpu->has_can_offline = true;
1739
1740 entry = g_malloc0(sizeof *entry);
1741 entry->value = vcpu;
1742
1743 *link = entry;
1744 link = &entry->next;
1745 }
1746 cpu_bits >>= 1;
1747 }
1748 }
1749 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1750 pslpi++; /* next entry */
1751 }
1752
1753 g_free(ptr);
1754
1755 if (local_err == NULL) {
1756 if (head != NULL) {
1757 return head;
1758 }
1759 /* there's no guest with zero VCPUs */
1760 error_setg(&local_err, "Guest reported zero VCPUs");
1761 }
1762
1763 qapi_free_GuestLogicalProcessorList(head);
1764 error_propagate(errp, local_err);
1765 return NULL;
1766 }
1767
1768 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1769 {
1770 error_setg(errp, QERR_UNSUPPORTED);
1771 return -1;
1772 }
1773
1774 static gchar *
1775 get_net_error_message(gint error)
1776 {
1777 HMODULE module = NULL;
1778 gchar *retval = NULL;
1779 wchar_t *msg = NULL;
1780 int flags;
1781 size_t nchars;
1782
1783 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1784 FORMAT_MESSAGE_IGNORE_INSERTS |
1785 FORMAT_MESSAGE_FROM_SYSTEM;
1786
1787 if (error >= NERR_BASE && error <= MAX_NERR) {
1788 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1789
1790 if (module != NULL) {
1791 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1792 }
1793 }
1794
1795 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1796
1797 if (msg != NULL) {
1798 nchars = wcslen(msg);
1799
1800 if (nchars >= 2 &&
1801 msg[nchars - 1] == L'\n' &&
1802 msg[nchars - 2] == L'\r') {
1803 msg[nchars - 2] = L'\0';
1804 }
1805
1806 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1807
1808 LocalFree(msg);
1809 }
1810
1811 if (module != NULL) {
1812 FreeLibrary(module);
1813 }
1814
1815 return retval;
1816 }
1817
1818 void qmp_guest_set_user_password(const char *username,
1819 const char *password,
1820 bool crypted,
1821 Error **errp)
1822 {
1823 NET_API_STATUS nas;
1824 char *rawpasswddata = NULL;
1825 size_t rawpasswdlen;
1826 wchar_t *user = NULL, *wpass = NULL;
1827 USER_INFO_1003 pi1003 = { 0, };
1828 GError *gerr = NULL;
1829
1830 if (crypted) {
1831 error_setg(errp, QERR_UNSUPPORTED);
1832 return;
1833 }
1834
1835 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1836 if (!rawpasswddata) {
1837 return;
1838 }
1839 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1840 rawpasswddata[rawpasswdlen] = '\0';
1841
1842 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1843 if (!user) {
1844 goto done;
1845 }
1846
1847 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1848 if (!wpass) {
1849 goto done;
1850 }
1851
1852 pi1003.usri1003_password = wpass;
1853 nas = NetUserSetInfo(NULL, user,
1854 1003, (LPBYTE)&pi1003,
1855 NULL);
1856
1857 if (nas != NERR_Success) {
1858 gchar *msg = get_net_error_message(nas);
1859 error_setg(errp, "failed to set password: %s", msg);
1860 g_free(msg);
1861 }
1862
1863 done:
1864 if (gerr) {
1865 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1866 g_error_free(gerr);
1867 }
1868 g_free(user);
1869 g_free(wpass);
1870 g_free(rawpasswddata);
1871 }
1872
1873 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1874 {
1875 error_setg(errp, QERR_UNSUPPORTED);
1876 return NULL;
1877 }
1878
1879 GuestMemoryBlockResponseList *
1880 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1881 {
1882 error_setg(errp, QERR_UNSUPPORTED);
1883 return NULL;
1884 }
1885
1886 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1887 {
1888 error_setg(errp, QERR_UNSUPPORTED);
1889 return NULL;
1890 }
1891
1892 /* add unsupported commands to the blacklist */
1893 GList *ga_command_blacklist_init(GList *blacklist)
1894 {
1895 const char *list_unsupported[] = {
1896 "guest-suspend-hybrid",
1897 "guest-set-vcpus",
1898 "guest-get-memory-blocks", "guest-set-memory-blocks",
1899 "guest-get-memory-block-size", "guest-get-memory-block-info",
1900 NULL};
1901 char **p = (char **)list_unsupported;
1902
1903 while (*p) {
1904 blacklist = g_list_append(blacklist, g_strdup(*p++));
1905 }
1906
1907 if (!vss_init(true)) {
1908 g_debug("vss_init failed, vss commands are going to be disabled");
1909 const char *list[] = {
1910 "guest-get-fsinfo", "guest-fsfreeze-status",
1911 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1912 p = (char **)list;
1913
1914 while (*p) {
1915 blacklist = g_list_append(blacklist, g_strdup(*p++));
1916 }
1917 }
1918
1919 return blacklist;
1920 }
1921
1922 /* register init/cleanup routines for stateful command groups */
1923 void ga_command_state_init(GAState *s, GACommandState *cs)
1924 {
1925 if (!vss_initialized()) {
1926 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1927 }
1928 }
1929
1930 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
1931 typedef struct _GA_WTSINFOA {
1932 WTS_CONNECTSTATE_CLASS State;
1933 DWORD SessionId;
1934 DWORD IncomingBytes;
1935 DWORD OutgoingBytes;
1936 DWORD IncomingFrames;
1937 DWORD OutgoingFrames;
1938 DWORD IncomingCompressedBytes;
1939 DWORD OutgoingCompressedBy;
1940 CHAR WinStationName[WINSTATIONNAME_LENGTH];
1941 CHAR Domain[DOMAIN_LENGTH];
1942 CHAR UserName[USERNAME_LENGTH + 1];
1943 LARGE_INTEGER ConnectTime;
1944 LARGE_INTEGER DisconnectTime;
1945 LARGE_INTEGER LastInputTime;
1946 LARGE_INTEGER LogonTime;
1947 LARGE_INTEGER CurrentTime;
1948
1949 } GA_WTSINFOA;
1950
1951 GuestUserList *qmp_guest_get_users(Error **errp)
1952 {
1953 #define QGA_NANOSECONDS 10000000
1954
1955 GHashTable *cache = NULL;
1956 GuestUserList *head = NULL, *cur_item = NULL;
1957
1958 DWORD buffer_size = 0, count = 0, i = 0;
1959 GA_WTSINFOA *info = NULL;
1960 WTS_SESSION_INFOA *entries = NULL;
1961 GuestUserList *item = NULL;
1962 GuestUser *user = NULL;
1963 gpointer value = NULL;
1964 INT64 login = 0;
1965 double login_time = 0;
1966
1967 cache = g_hash_table_new(g_str_hash, g_str_equal);
1968
1969 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
1970 for (i = 0; i < count; ++i) {
1971 buffer_size = 0;
1972 info = NULL;
1973 if (WTSQuerySessionInformationA(
1974 NULL,
1975 entries[i].SessionId,
1976 WTSSessionInfo,
1977 (LPSTR *)&info,
1978 &buffer_size
1979 )) {
1980
1981 if (strlen(info->UserName) == 0) {
1982 WTSFreeMemory(info);
1983 continue;
1984 }
1985
1986 login = info->LogonTime.QuadPart;
1987 login -= W32_FT_OFFSET;
1988 login_time = ((double)login) / QGA_NANOSECONDS;
1989
1990 if (g_hash_table_contains(cache, info->UserName)) {
1991 value = g_hash_table_lookup(cache, info->UserName);
1992 user = (GuestUser *)value;
1993 if (user->login_time > login_time) {
1994 user->login_time = login_time;
1995 }
1996 } else {
1997 item = g_new0(GuestUserList, 1);
1998 item->value = g_new0(GuestUser, 1);
1999
2000 item->value->user = g_strdup(info->UserName);
2001 item->value->domain = g_strdup(info->Domain);
2002 item->value->has_domain = true;
2003
2004 item->value->login_time = login_time;
2005
2006 g_hash_table_add(cache, item->value->user);
2007
2008 if (!cur_item) {
2009 head = cur_item = item;
2010 } else {
2011 cur_item->next = item;
2012 cur_item = item;
2013 }
2014 }
2015 }
2016 WTSFreeMemory(info);
2017 }
2018 WTSFreeMemory(entries);
2019 }
2020 g_hash_table_destroy(cache);
2021 return head;
2022 }
2023
2024 typedef struct _ga_matrix_lookup_t {
2025 int major;
2026 int minor;
2027 char const *version;
2028 char const *version_id;
2029 } ga_matrix_lookup_t;
2030
2031 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
2032 {
2033 /* Desktop editions */
2034 { 5, 0, "Microsoft Windows 2000", "2000"},
2035 { 5, 1, "Microsoft Windows XP", "xp"},
2036 { 6, 0, "Microsoft Windows Vista", "vista"},
2037 { 6, 1, "Microsoft Windows 7" "7"},
2038 { 6, 2, "Microsoft Windows 8", "8"},
2039 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2040 {10, 0, "Microsoft Windows 10", "10"},
2041 { 0, 0, 0}
2042 },{
2043 /* Server editions */
2044 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2045 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2046 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2047 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2048 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2049 { 0, 0, 0},
2050 { 0, 0, 0},
2051 { 0, 0, 0}
2052 }
2053 };
2054
2055 typedef struct _ga_win_10_0_server_t {
2056 int final_build;
2057 char const *version;
2058 char const *version_id;
2059 } ga_win_10_0_server_t;
2060
2061 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = {
2062 {14393, "Microsoft Windows Server 2016", "2016"},
2063 {17763, "Microsoft Windows Server 2019", "2019"},
2064 {0, 0}
2065 };
2066
2067 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2068 {
2069 typedef NTSTATUS(WINAPI * rtl_get_version_t)(
2070 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2071
2072 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2073
2074 HMODULE module = GetModuleHandle("ntdll");
2075 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2076 if (fun == NULL) {
2077 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2078 "Failed to get address of RtlGetVersion");
2079 return;
2080 }
2081
2082 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2083 rtl_get_version(info);
2084 return;
2085 }
2086
2087 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2088 {
2089 DWORD major = os_version->dwMajorVersion;
2090 DWORD minor = os_version->dwMinorVersion;
2091 DWORD build = os_version->dwBuildNumber;
2092 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2093 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2094 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX;
2095 while (table->version != NULL) {
2096 if (major == 10 && minor == 0 && tbl_idx) {
2097 while (win_10_0_table->version != NULL) {
2098 if (build <= win_10_0_table->final_build) {
2099 if (id) {
2100 return g_strdup(win_10_0_table->version_id);
2101 } else {
2102 return g_strdup(win_10_0_table->version);
2103 }
2104 }
2105 win_10_0_table++;
2106 }
2107 } else if (major == table->major && minor == table->minor) {
2108 if (id) {
2109 return g_strdup(table->version_id);
2110 } else {
2111 return g_strdup(table->version);
2112 }
2113 }
2114 ++table;
2115 }
2116 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2117 major, minor);
2118 return g_strdup("N/A");
2119 }
2120
2121 static char *ga_get_win_product_name(Error **errp)
2122 {
2123 HKEY key = NULL;
2124 DWORD size = 128;
2125 char *result = g_malloc0(size);
2126 LONG err = ERROR_SUCCESS;
2127
2128 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2129 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2130 &key);
2131 if (err != ERROR_SUCCESS) {
2132 error_setg_win32(errp, err, "failed to open registry key");
2133 goto fail;
2134 }
2135
2136 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2137 (LPBYTE)result, &size);
2138 if (err == ERROR_MORE_DATA) {
2139 slog("ProductName longer than expected (%lu bytes), retrying",
2140 size);
2141 g_free(result);
2142 result = NULL;
2143 if (size > 0) {
2144 result = g_malloc0(size);
2145 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2146 (LPBYTE)result, &size);
2147 }
2148 }
2149 if (err != ERROR_SUCCESS) {
2150 error_setg_win32(errp, err, "failed to retrive ProductName");
2151 goto fail;
2152 }
2153
2154 return result;
2155
2156 fail:
2157 g_free(result);
2158 return NULL;
2159 }
2160
2161 static char *ga_get_current_arch(void)
2162 {
2163 SYSTEM_INFO info;
2164 GetNativeSystemInfo(&info);
2165 char *result = NULL;
2166 switch (info.wProcessorArchitecture) {
2167 case PROCESSOR_ARCHITECTURE_AMD64:
2168 result = g_strdup("x86_64");
2169 break;
2170 case PROCESSOR_ARCHITECTURE_ARM:
2171 result = g_strdup("arm");
2172 break;
2173 case PROCESSOR_ARCHITECTURE_IA64:
2174 result = g_strdup("ia64");
2175 break;
2176 case PROCESSOR_ARCHITECTURE_INTEL:
2177 result = g_strdup("x86");
2178 break;
2179 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2180 default:
2181 slog("unknown processor architecture 0x%0x",
2182 info.wProcessorArchitecture);
2183 result = g_strdup("unknown");
2184 break;
2185 }
2186 return result;
2187 }
2188
2189 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2190 {
2191 Error *local_err = NULL;
2192 OSVERSIONINFOEXW os_version = {0};
2193 bool server;
2194 char *product_name;
2195 GuestOSInfo *info;
2196
2197 ga_get_win_version(&os_version, &local_err);
2198 if (local_err) {
2199 error_propagate(errp, local_err);
2200 return NULL;
2201 }
2202
2203 server = os_version.wProductType != VER_NT_WORKSTATION;
2204 product_name = ga_get_win_product_name(&local_err);
2205 if (product_name == NULL) {
2206 error_propagate(errp, local_err);
2207 return NULL;
2208 }
2209
2210 info = g_new0(GuestOSInfo, 1);
2211
2212 info->has_kernel_version = true;
2213 info->kernel_version = g_strdup_printf("%lu.%lu",
2214 os_version.dwMajorVersion,
2215 os_version.dwMinorVersion);
2216 info->has_kernel_release = true;
2217 info->kernel_release = g_strdup_printf("%lu",
2218 os_version.dwBuildNumber);
2219 info->has_machine = true;
2220 info->machine = ga_get_current_arch();
2221
2222 info->has_id = true;
2223 info->id = g_strdup("mswindows");
2224 info->has_name = true;
2225 info->name = g_strdup("Microsoft Windows");
2226 info->has_pretty_name = true;
2227 info->pretty_name = product_name;
2228 info->has_version = true;
2229 info->version = ga_get_win_name(&os_version, false);
2230 info->has_version_id = true;
2231 info->version_id = ga_get_win_name(&os_version, true);
2232 info->has_variant = true;
2233 info->variant = g_strdup(server ? "server" : "client");
2234 info->has_variant_id = true;
2235 info->variant_id = g_strdup(server ? "server" : "client");
2236
2237 return info;
2238 }