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pci: Fold pci_get_bus_devfn() into its sole caller
[qemu.git] / qga / commands-win32.c
blob6b67f16faf122b009e6f24b428b2b32ebc17c06f
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 slog("guest-shutdown failed: %lu", GetLastError());
319 error_setg(errp, QERR_UNDEFINED_ERROR);
320 }
321 }
322
323 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
324 int64_t count, Error **errp)
325 {
326 GuestFileRead *read_data = NULL;
327 guchar *buf;
328 HANDLE fh;
329 bool is_ok;
330 DWORD read_count;
331 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
332
333 if (!gfh) {
334 return NULL;
335 }
336 if (!has_count) {
337 count = QGA_READ_COUNT_DEFAULT;
338 } else if (count < 0 || count >= UINT32_MAX) {
339 error_setg(errp, "value '%" PRId64
340 "' is invalid for argument count", count);
341 return NULL;
342 }
343
344 fh = gfh->fh;
345 buf = g_malloc0(count+1);
346 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
347 if (!is_ok) {
348 error_setg_win32(errp, GetLastError(), "failed to read file");
349 slog("guest-file-read failed, handle %" PRId64, handle);
350 } else {
351 buf[read_count] = 0;
352 read_data = g_new0(GuestFileRead, 1);
353 read_data->count = (size_t)read_count;
354 read_data->eof = read_count == 0;
355
356 if (read_count != 0) {
357 read_data->buf_b64 = g_base64_encode(buf, read_count);
358 }
359 }
360 g_free(buf);
361
362 return read_data;
363 }
364
365 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
366 bool has_count, int64_t count,
367 Error **errp)
368 {
369 GuestFileWrite *write_data = NULL;
370 guchar *buf;
371 gsize buf_len;
372 bool is_ok;
373 DWORD write_count;
374 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
375 HANDLE fh;
376
377 if (!gfh) {
378 return NULL;
379 }
380 fh = gfh->fh;
381 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
382 if (!buf) {
383 return NULL;
384 }
385
386 if (!has_count) {
387 count = buf_len;
388 } else if (count < 0 || count > buf_len) {
389 error_setg(errp, "value '%" PRId64
390 "' is invalid for argument count", count);
391 goto done;
392 }
393
394 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
395 if (!is_ok) {
396 error_setg_win32(errp, GetLastError(), "failed to write to file");
397 slog("guest-file-write-failed, handle: %" PRId64, handle);
398 } else {
399 write_data = g_new0(GuestFileWrite, 1);
400 write_data->count = (size_t) write_count;
401 }
402
403 done:
404 g_free(buf);
405 return write_data;
406 }
407
408 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
409 GuestFileWhence *whence_code,
410 Error **errp)
411 {
412 GuestFileHandle *gfh;
413 GuestFileSeek *seek_data;
414 HANDLE fh;
415 LARGE_INTEGER new_pos, off_pos;
416 off_pos.QuadPart = offset;
417 BOOL res;
418 int whence;
419 Error *err = NULL;
420
421 gfh = guest_file_handle_find(handle, errp);
422 if (!gfh) {
423 return NULL;
424 }
425
426 /* We stupidly exposed 'whence':'int' in our qapi */
427 whence = ga_parse_whence(whence_code, &err);
428 if (err) {
429 error_propagate(errp, err);
430 return NULL;
431 }
432
433 fh = gfh->fh;
434 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
435 if (!res) {
436 error_setg_win32(errp, GetLastError(), "failed to seek file");
437 return NULL;
438 }
439 seek_data = g_new0(GuestFileSeek, 1);
440 seek_data->position = new_pos.QuadPart;
441 return seek_data;
442 }
443
444 void qmp_guest_file_flush(int64_t handle, Error **errp)
445 {
446 HANDLE fh;
447 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
448 if (!gfh) {
449 return;
450 }
451
452 fh = gfh->fh;
453 if (!FlushFileBuffers(fh)) {
454 error_setg_win32(errp, GetLastError(), "failed to flush file");
455 }
456 }
457
458 #ifdef CONFIG_QGA_NTDDSCSI
459
460 static GuestDiskBusType win2qemu[] = {
461 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
462 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
463 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
464 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
465 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
466 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
467 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
468 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
469 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
470 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
471 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
472 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
473 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
474 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
475 #if (_WIN32_WINNT >= 0x0601)
476 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
477 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
478 #endif
479 };
480
481 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
482 {
483 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
484 return GUEST_DISK_BUS_TYPE_UNKNOWN;
485 }
486 return win2qemu[(int)bus];
487 }
488
489 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
490 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
491 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
492 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
493 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
494 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
495
496 static GuestPCIAddress *get_pci_info(int number, Error **errp)
497 {
498 HDEVINFO dev_info;
499 SP_DEVINFO_DATA dev_info_data;
500 SP_DEVICE_INTERFACE_DATA dev_iface_data;
501 HANDLE dev_file;
502 int i;
503 GuestPCIAddress *pci = NULL;
504 bool partial_pci = false;
505
506 pci = g_malloc0(sizeof(*pci));
507 pci->domain = -1;
508 pci->slot = -1;
509 pci->function = -1;
510 pci->bus = -1;
511
512 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
513 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
514 if (dev_info == INVALID_HANDLE_VALUE) {
515 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
516 goto out;
517 }
518
519 g_debug("enumerating devices");
520 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
521 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
522 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
523 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
524 STORAGE_DEVICE_NUMBER sdn;
525 char *parent_dev_id = NULL;
526 HDEVINFO parent_dev_info;
527 SP_DEVINFO_DATA parent_dev_info_data;
528 DWORD j;
529 DWORD size = 0;
530
531 g_debug("getting device path");
532 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
533 &GUID_DEVINTERFACE_DISK, 0,
534 &dev_iface_data)) {
535 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
536 pdev_iface_detail_data,
537 size, &size,
538 &dev_info_data)) {
539 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
540 pdev_iface_detail_data = g_malloc(size);
541 pdev_iface_detail_data->cbSize =
542 sizeof(*pdev_iface_detail_data);
543 } else {
544 error_setg_win32(errp, GetLastError(),
545 "failed to get device interfaces");
546 goto free_dev_info;
547 }
548 }
549
550 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
551 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
552 NULL);
553 g_free(pdev_iface_detail_data);
554
555 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
556 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
557 CloseHandle(dev_file);
558 error_setg_win32(errp, GetLastError(),
559 "failed to get device slot number");
560 goto free_dev_info;
561 }
562
563 CloseHandle(dev_file);
564 if (sdn.DeviceNumber != number) {
565 continue;
566 }
567 } else {
568 error_setg_win32(errp, GetLastError(),
569 "failed to get device interfaces");
570 goto free_dev_info;
571 }
572
573 g_debug("found device slot %d. Getting storage controller", number);
574 {
575 CONFIGRET cr;
576 DEVINST dev_inst, parent_dev_inst;
577 ULONG dev_id_size = 0;
578
579 size = 0;
580 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
581 parent_dev_id, size, &size)) {
582 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
583 parent_dev_id = g_malloc(size);
584 } else {
585 error_setg_win32(errp, GetLastError(),
586 "failed to get device instance ID");
587 goto out;
588 }
589 }
590
591 /*
592 * CM API used here as opposed to
593 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
594 * which exports are only available in mingw-w64 6+
595 */
596 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
597 if (cr != CR_SUCCESS) {
598 g_error("CM_Locate_DevInst failed with code %lx", cr);
599 error_setg_win32(errp, GetLastError(),
600 "failed to get device instance");
601 goto out;
602 }
603 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
604 if (cr != CR_SUCCESS) {
605 g_error("CM_Get_Parent failed with code %lx", cr);
606 error_setg_win32(errp, GetLastError(),
607 "failed to get parent device instance");
608 goto out;
609 }
610
611 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
612 if (cr != CR_SUCCESS) {
613 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
614 error_setg_win32(errp, GetLastError(),
615 "failed to get parent device ID length");
616 goto out;
617 }
618
619 ++dev_id_size;
620 if (dev_id_size > size) {
621 g_free(parent_dev_id);
622 parent_dev_id = g_malloc(dev_id_size);
623 }
624
625 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
626 0);
627 if (cr != CR_SUCCESS) {
628 g_error("CM_Get_Device_ID failed with code %lx", cr);
629 error_setg_win32(errp, GetLastError(),
630 "failed to get parent device ID");
631 goto out;
632 }
633 }
634
635 g_debug("querying storage controller %s for PCI information",
636 parent_dev_id);
637 parent_dev_info =
638 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
639 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
640 g_free(parent_dev_id);
641
642 if (parent_dev_info == INVALID_HANDLE_VALUE) {
643 error_setg_win32(errp, GetLastError(),
644 "failed to get parent device");
645 goto out;
646 }
647
648 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
649 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
650 error_setg_win32(errp, GetLastError(),
651 "failed to get parent device data");
652 goto out;
653 }
654
655 for (j = 0;
656 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data);
657 j++) {
658 DWORD addr, bus, ui_slot, type;
659 int func, slot;
660
661 /*
662 * There is no need to allocate buffer in the next functions. The
663 * size is known and ULONG according to
664 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
665 */
666 if (!SetupDiGetDeviceRegistryProperty(
667 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER,
668 &type, (PBYTE)&bus, size, NULL)) {
669 debug_error("failed to get PCI bus");
670 bus = -1;
671 partial_pci = true;
672 }
673
674 /*
675 * The function retrieves the device's address. This value will be
676 * transformed into device function and number
677 */
678 if (!SetupDiGetDeviceRegistryProperty(
679 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS,
680 &type, (PBYTE)&addr, size, NULL)) {
681 debug_error("failed to get PCI address");
682 addr = -1;
683 partial_pci = true;
684 }
685
686 /*
687 * This call returns UINumber of DEVICE_CAPABILITIES structure.
688 * This number is typically a user-perceived slot number.
689 */
690 if (!SetupDiGetDeviceRegistryProperty(
691 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER,
692 &type, (PBYTE)&ui_slot, size, NULL)) {
693 debug_error("failed to get PCI slot");
694 ui_slot = -1;
695 partial_pci = true;
696 }
697
698 /*
699 * SetupApi gives us the same information as driver with
700 * IoGetDeviceProperty. According to Microsoft:
701 *
702 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
703 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
704 * SPDRP_ADDRESS is propertyAddress, so we do the same.
705 *
706 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
707 */
708 if (partial_pci) {
709 pci->domain = -1;
710 pci->slot = -1;
711 pci->function = -1;
712 pci->bus = -1;
713 continue;
714 } else {
715 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
716 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
717 if ((int)ui_slot != slot) {
718 g_debug("mismatch with reported slot values: %d vs %d",
719 (int)ui_slot, slot);
720 }
721 pci->domain = 0;
722 pci->slot = (int)ui_slot;
723 pci->function = func;
724 pci->bus = (int)bus;
725 break;
726 }
727 }
728 SetupDiDestroyDeviceInfoList(parent_dev_info);
729 break;
730 }
731
732 free_dev_info:
733 SetupDiDestroyDeviceInfoList(dev_info);
734 out:
735 return pci;
736 }
737
738 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
739 Error **errp)
740 {
741 STORAGE_PROPERTY_QUERY query;
742 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
743 DWORD received;
744 ULONG size = sizeof(buf);
745
746 dev_desc = &buf;
747 query.PropertyId = StorageDeviceProperty;
748 query.QueryType = PropertyStandardQuery;
749
750 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
751 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
752 size, &received, NULL)) {
753 error_setg_win32(errp, GetLastError(), "failed to get bus type");
754 return;
755 }
756 disk->bus_type = find_bus_type(dev_desc->BusType);
757 g_debug("bus type %d", disk->bus_type);
758
759 /* Query once more. Now with long enough buffer. */
760 size = dev_desc->Size;
761 dev_desc = g_malloc0(size);
762 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
763 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
764 size, &received, NULL)) {
765 error_setg_win32(errp, GetLastError(), "failed to get serial number");
766 g_debug("failed to get serial number");
767 goto out_free;
768 }
769 if (dev_desc->SerialNumberOffset > 0) {
770 const char *serial;
771 size_t len;
772
773 if (dev_desc->SerialNumberOffset >= received) {
774 error_setg(errp, "failed to get serial number: offset outside the buffer");
775 g_debug("serial number offset outside the buffer");
776 goto out_free;
777 }
778 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
779 len = received - dev_desc->SerialNumberOffset;
780 g_debug("serial number \"%s\"", serial);
781 if (*serial != 0) {
782 disk->serial = g_strndup(serial, len);
783 disk->has_serial = true;
784 }
785 }
786 out_free:
787 g_free(dev_desc);
788
789 return;
790 }
791
792 static void get_single_disk_info(int disk_number,
793 GuestDiskAddress *disk, Error **errp)
794 {
795 SCSI_ADDRESS addr, *scsi_ad;
796 DWORD len;
797 HANDLE disk_h;
798 Error *local_err = NULL;
799
800 scsi_ad = &addr;
801
802 g_debug("getting disk info for: %s", disk->dev);
803 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
804 0, NULL);
805 if (disk_h == INVALID_HANDLE_VALUE) {
806 error_setg_win32(errp, GetLastError(), "failed to open disk");
807 return;
808 }
809
810 get_disk_properties(disk_h, disk, &local_err);
811 if (local_err) {
812 error_propagate(errp, local_err);
813 goto err_close;
814 }
815
816 g_debug("bus type %d", disk->bus_type);
817 /* always set pci_controller as required by schema. get_pci_info() should
818 * report -1 values for non-PCI buses rather than fail. fail the command
819 * if that doesn't hold since that suggests some other unexpected
820 * breakage
821 */
822 disk->pci_controller = get_pci_info(disk_number, &local_err);
823 if (local_err) {
824 error_propagate(errp, local_err);
825 goto err_close;
826 }
827 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
828 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
829 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
830 /* This bus type is not supported before Windows Server 2003 SP1 */
831 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
832 ) {
833 /* We are able to use the same ioctls for different bus types
834 * according to Microsoft docs
835 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
836 g_debug("getting SCSI info");
837 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
838 sizeof(SCSI_ADDRESS), &len, NULL)) {
839 disk->unit = addr.Lun;
840 disk->target = addr.TargetId;
841 disk->bus = addr.PathId;
842 }
843 /* We do not set error in this case, because we still have enough
844 * information about volume. */
845 }
846
847 err_close:
848 CloseHandle(disk_h);
849 return;
850 }
851
852 /* VSS provider works with volumes, thus there is no difference if
853 * the volume consist of spanned disks. Info about the first disk in the
854 * volume is returned for the spanned disk group (LVM) */
855 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
856 {
857 Error *local_err = NULL;
858 GuestDiskAddressList *list = NULL, *cur_item = NULL;
859 GuestDiskAddress *disk = NULL;
860 int i;
861 HANDLE vol_h;
862 DWORD size;
863 PVOLUME_DISK_EXTENTS extents = NULL;
864
865 /* strip final backslash */
866 char *name = g_strdup(guid);
867 if (g_str_has_suffix(name, "\\")) {
868 name[strlen(name) - 1] = 0;
869 }
870
871 g_debug("opening %s", name);
872 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
873 0, NULL);
874 if (vol_h == INVALID_HANDLE_VALUE) {
875 error_setg_win32(errp, GetLastError(), "failed to open volume");
876 goto out;
877 }
878
879 /* Get list of extents */
880 g_debug("getting disk extents");
881 size = sizeof(VOLUME_DISK_EXTENTS);
882 extents = g_malloc0(size);
883 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
884 0, extents, size, &size, NULL)) {
885 DWORD last_err = GetLastError();
886 if (last_err == ERROR_MORE_DATA) {
887 /* Try once more with big enough buffer */
888 g_free(extents);
889 extents = g_malloc0(size);
890 if (!DeviceIoControl(
891 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
892 0, extents, size, NULL, NULL)) {
893 error_setg_win32(errp, GetLastError(),
894 "failed to get disk extents");
895 goto out;
896 }
897 } else if (last_err == ERROR_INVALID_FUNCTION) {
898 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
899 g_debug("volume not on disk");
900 disk = g_malloc0(sizeof(GuestDiskAddress));
901 disk->has_dev = true;
902 disk->dev = g_strdup(name);
903 get_single_disk_info(0xffffffff, disk, &local_err);
904 if (local_err) {
905 g_debug("failed to get disk info, ignoring error: %s",
906 error_get_pretty(local_err));
907 error_free(local_err);
908 goto out;
909 }
910 list = g_malloc0(sizeof(*list));
911 list->value = disk;
912 disk = NULL;
913 list->next = NULL;
914 goto out;
915 } else {
916 error_setg_win32(errp, GetLastError(),
917 "failed to get disk extents");
918 goto out;
919 }
920 }
921 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
922
923 /* Go through each extent */
924 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
925 disk = g_malloc0(sizeof(GuestDiskAddress));
926
927 /* Disk numbers directly correspond to numbers used in UNCs
928 *
929 * See documentation for DISK_EXTENT:
930 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
931 *
932 * See also Naming Files, Paths and Namespaces:
933 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
934 */
935 disk->has_dev = true;
936 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
937 extents->Extents[i].DiskNumber);
938
939 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
940 if (local_err) {
941 error_propagate(errp, local_err);
942 goto out;
943 }
944 cur_item = g_malloc0(sizeof(*list));
945 cur_item->value = disk;
946 disk = NULL;
947 cur_item->next = list;
948 list = cur_item;
949 }
950
951
952 out:
953 if (vol_h != INVALID_HANDLE_VALUE) {
954 CloseHandle(vol_h);
955 }
956 qapi_free_GuestDiskAddress(disk);
957 g_free(extents);
958 g_free(name);
959
960 return list;
961 }
962
963 #else
964
965 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
966 {
967 return NULL;
968 }
969
970 #endif /* CONFIG_QGA_NTDDSCSI */
971
972 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
973 {
974 DWORD info_size;
975 char mnt, *mnt_point;
976 char fs_name[32];
977 char vol_info[MAX_PATH+1];
978 size_t len;
979 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
980 GuestFilesystemInfo *fs = NULL;
981
982 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
983 if (GetLastError() != ERROR_MORE_DATA) {
984 error_setg_win32(errp, GetLastError(), "failed to get volume name");
985 return NULL;
986 }
987
988 mnt_point = g_malloc(info_size + 1);
989 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
990 &info_size)) {
991 error_setg_win32(errp, GetLastError(), "failed to get volume name");
992 goto free;
993 }
994
995 len = strlen(mnt_point);
996 mnt_point[len] = '\\';
997 mnt_point[len+1] = 0;
998 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
999 NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
1000 if (GetLastError() != ERROR_NOT_READY) {
1001 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1002 }
1003 goto free;
1004 }
1005
1006 fs_name[sizeof(fs_name) - 1] = 0;
1007 fs = g_malloc(sizeof(*fs));
1008 fs->name = g_strdup(guid);
1009 fs->has_total_bytes = false;
1010 fs->has_used_bytes = false;
1011 if (len == 0) {
1012 fs->mountpoint = g_strdup("System Reserved");
1013 } else {
1014 fs->mountpoint = g_strndup(mnt_point, len);
1015 if (GetDiskFreeSpaceEx(fs->mountpoint,
1016 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1017 (PULARGE_INTEGER) & i64TotalBytes,
1018 (PULARGE_INTEGER) & i64FreeBytes)) {
1019 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1020 fs->total_bytes = i64TotalBytes;
1021 fs->has_total_bytes = true;
1022 fs->has_used_bytes = true;
1023 }
1024 }
1025 fs->type = g_strdup(fs_name);
1026 fs->disk = build_guest_disk_info(guid, errp);
1027 free:
1028 g_free(mnt_point);
1029 return fs;
1030 }
1031
1032 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1033 {
1034 HANDLE vol_h;
1035 GuestFilesystemInfoList *new, *ret = NULL;
1036 char guid[256];
1037
1038 vol_h = FindFirstVolume(guid, sizeof(guid));
1039 if (vol_h == INVALID_HANDLE_VALUE) {
1040 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1041 return NULL;
1042 }
1043
1044 do {
1045 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
1046 if (info == NULL) {
1047 continue;
1048 }
1049 new = g_malloc(sizeof(*ret));
1050 new->value = info;
1051 new->next = ret;
1052 ret = new;
1053 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1054
1055 if (GetLastError() != ERROR_NO_MORE_FILES) {
1056 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1057 }
1058
1059 FindVolumeClose(vol_h);
1060 return ret;
1061 }
1062
1063 /*
1064 * Return status of freeze/thaw
1065 */
1066 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1067 {
1068 if (!vss_initialized()) {
1069 error_setg(errp, QERR_UNSUPPORTED);
1070 return 0;
1071 }
1072
1073 if (ga_is_frozen(ga_state)) {
1074 return GUEST_FSFREEZE_STATUS_FROZEN;
1075 }
1076
1077 return GUEST_FSFREEZE_STATUS_THAWED;
1078 }
1079
1080 /*
1081 * Freeze local file systems using Volume Shadow-copy Service.
1082 * The frozen state is limited for up to 10 seconds by VSS.
1083 */
1084 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1085 {
1086 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1087 }
1088
1089 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1090 strList *mountpoints,
1091 Error **errp)
1092 {
1093 int i;
1094 Error *local_err = NULL;
1095
1096 if (!vss_initialized()) {
1097 error_setg(errp, QERR_UNSUPPORTED);
1098 return 0;
1099 }
1100
1101 slog("guest-fsfreeze called");
1102
1103 /* cannot risk guest agent blocking itself on a write in this state */
1104 ga_set_frozen(ga_state);
1105
1106 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1107 if (local_err) {
1108 error_propagate(errp, local_err);
1109 goto error;
1110 }
1111
1112 return i;
1113
1114 error:
1115 local_err = NULL;
1116 qmp_guest_fsfreeze_thaw(&local_err);
1117 if (local_err) {
1118 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1119 error_free(local_err);
1120 }
1121 return 0;
1122 }
1123
1124 /*
1125 * Thaw local file systems using Volume Shadow-copy Service.
1126 */
1127 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1128 {
1129 int i;
1130
1131 if (!vss_initialized()) {
1132 error_setg(errp, QERR_UNSUPPORTED);
1133 return 0;
1134 }
1135
1136 qga_vss_fsfreeze(&i, false, NULL, errp);
1137
1138 ga_unset_frozen(ga_state);
1139 return i;
1140 }
1141
1142 static void guest_fsfreeze_cleanup(void)
1143 {
1144 Error *err = NULL;
1145
1146 if (!vss_initialized()) {
1147 return;
1148 }
1149
1150 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1151 qmp_guest_fsfreeze_thaw(&err);
1152 if (err) {
1153 slog("failed to clean up frozen filesystems: %s",
1154 error_get_pretty(err));
1155 error_free(err);
1156 }
1157 }
1158
1159 vss_deinit(true);
1160 }
1161
1162 /*
1163 * Walk list of mounted file systems in the guest, and discard unused
1164 * areas.
1165 */
1166 GuestFilesystemTrimResponse *
1167 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1168 {
1169 GuestFilesystemTrimResponse *resp;
1170 HANDLE handle;
1171 WCHAR guid[MAX_PATH] = L"";
1172 OSVERSIONINFO osvi;
1173 BOOL win8_or_later;
1174
1175 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1176 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1177 GetVersionEx(&osvi);
1178 win8_or_later = (osvi.dwMajorVersion > 6 ||
1179 ((osvi.dwMajorVersion == 6) &&
1180 (osvi.dwMinorVersion >= 2)));
1181 if (!win8_or_later) {
1182 error_setg(errp, "fstrim is only supported for Win8+");
1183 return NULL;
1184 }
1185
1186 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1187 if (handle == INVALID_HANDLE_VALUE) {
1188 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1189 return NULL;
1190 }
1191
1192 resp = g_new0(GuestFilesystemTrimResponse, 1);
1193
1194 do {
1195 GuestFilesystemTrimResult *res;
1196 GuestFilesystemTrimResultList *list;
1197 PWCHAR uc_path;
1198 DWORD char_count = 0;
1199 char *path, *out;
1200 GError *gerr = NULL;
1201 gchar * argv[4];
1202
1203 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1204
1205 if (GetLastError() != ERROR_MORE_DATA) {
1206 continue;
1207 }
1208 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1209 continue;
1210 }
1211
1212 uc_path = g_malloc(sizeof(WCHAR) * char_count);
1213 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1214 &char_count) || !*uc_path) {
1215 /* strange, but this condition could be faced even with size == 2 */
1216 g_free(uc_path);
1217 continue;
1218 }
1219
1220 res = g_new0(GuestFilesystemTrimResult, 1);
1221
1222 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1223
1224 g_free(uc_path);
1225
1226 if (!path) {
1227 res->has_error = true;
1228 res->error = g_strdup(gerr->message);
1229 g_error_free(gerr);
1230 break;
1231 }
1232
1233 res->path = path;
1234
1235 list = g_new0(GuestFilesystemTrimResultList, 1);
1236 list->value = res;
1237 list->next = resp->paths;
1238
1239 resp->paths = list;
1240
1241 memset(argv, 0, sizeof(argv));
1242 argv[0] = (gchar *)"defrag.exe";
1243 argv[1] = (gchar *)"/L";
1244 argv[2] = path;
1245
1246 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1247 &out /* stdout */, NULL /* stdin */,
1248 NULL, &gerr)) {
1249 res->has_error = true;
1250 res->error = g_strdup(gerr->message);
1251 g_error_free(gerr);
1252 } else {
1253 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1254 Error is reported in the output with something like
1255 (x89000020) etc code in the stdout */
1256
1257 int i;
1258 gchar **lines = g_strsplit(out, "\r\n", 0);
1259 g_free(out);
1260
1261 for (i = 0; lines[i] != NULL; i++) {
1262 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1263 continue;
1264 }
1265 res->has_error = true;
1266 res->error = g_strdup(lines[i]);
1267 break;
1268 }
1269 g_strfreev(lines);
1270 }
1271 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1272
1273 FindVolumeClose(handle);
1274 return resp;
1275 }
1276
1277 typedef enum {
1278 GUEST_SUSPEND_MODE_DISK,
1279 GUEST_SUSPEND_MODE_RAM
1280 } GuestSuspendMode;
1281
1282 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1283 {
1284 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1285 Error *local_err = NULL;
1286
1287 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1288 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1289 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1290 "failed to determine guest suspend capabilities");
1291 goto out;
1292 }
1293
1294 switch (mode) {
1295 case GUEST_SUSPEND_MODE_DISK:
1296 if (!sys_pwr_caps.SystemS4) {
1297 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1298 "suspend-to-disk not supported by OS");
1299 }
1300 break;
1301 case GUEST_SUSPEND_MODE_RAM:
1302 if (!sys_pwr_caps.SystemS3) {
1303 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
1304 "suspend-to-ram not supported by OS");
1305 }
1306 break;
1307 default:
1308 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
1309 "GuestSuspendMode");
1310 }
1311
1312 out:
1313 error_propagate(errp, local_err);
1314 }
1315
1316 static DWORD WINAPI do_suspend(LPVOID opaque)
1317 {
1318 GuestSuspendMode *mode = opaque;
1319 DWORD ret = 0;
1320
1321 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1322 slog("failed to suspend guest, %lu", GetLastError());
1323 ret = -1;
1324 }
1325 g_free(mode);
1326 return ret;
1327 }
1328
1329 void qmp_guest_suspend_disk(Error **errp)
1330 {
1331 Error *local_err = NULL;
1332 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1333
1334 *mode = GUEST_SUSPEND_MODE_DISK;
1335 check_suspend_mode(*mode, &local_err);
1336 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1337 execute_async(do_suspend, mode, &local_err);
1338
1339 if (local_err) {
1340 error_propagate(errp, local_err);
1341 g_free(mode);
1342 }
1343 }
1344
1345 void qmp_guest_suspend_ram(Error **errp)
1346 {
1347 Error *local_err = NULL;
1348 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1349
1350 *mode = GUEST_SUSPEND_MODE_RAM;
1351 check_suspend_mode(*mode, &local_err);
1352 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1353 execute_async(do_suspend, mode, &local_err);
1354
1355 if (local_err) {
1356 error_propagate(errp, local_err);
1357 g_free(mode);
1358 }
1359 }
1360
1361 void qmp_guest_suspend_hybrid(Error **errp)
1362 {
1363 error_setg(errp, QERR_UNSUPPORTED);
1364 }
1365
1366 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1367 {
1368 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1369 ULONG adptr_addrs_len = 0;
1370 DWORD ret;
1371
1372 /* Call the first time to get the adptr_addrs_len. */
1373 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1374 NULL, adptr_addrs, &adptr_addrs_len);
1375
1376 adptr_addrs = g_malloc(adptr_addrs_len);
1377 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1378 NULL, adptr_addrs, &adptr_addrs_len);
1379 if (ret != ERROR_SUCCESS) {
1380 error_setg_win32(errp, ret, "failed to get adapters addresses");
1381 g_free(adptr_addrs);
1382 adptr_addrs = NULL;
1383 }
1384 return adptr_addrs;
1385 }
1386
1387 static char *guest_wctomb_dup(WCHAR *wstr)
1388 {
1389 char *str;
1390 size_t i;
1391
1392 i = wcslen(wstr) + 1;
1393 str = g_malloc(i);
1394 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
1395 wstr, -1, str, i, NULL, NULL);
1396 return str;
1397 }
1398
1399 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1400 Error **errp)
1401 {
1402 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1403 DWORD len;
1404 int ret;
1405
1406 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1407 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1408 len = sizeof(addr_str);
1409 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1410 ip_addr->Address.iSockaddrLength,
1411 NULL,
1412 addr_str,
1413 &len);
1414 if (ret != 0) {
1415 error_setg_win32(errp, WSAGetLastError(),
1416 "failed address presentation form conversion");
1417 return NULL;
1418 }
1419 return g_strdup(addr_str);
1420 }
1421 return NULL;
1422 }
1423
1424 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1425 {
1426 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1427 * field to obtain the prefix.
1428 */
1429 return ip_addr->OnLinkPrefixLength;
1430 }
1431
1432 #define INTERFACE_PATH_BUF_SZ 512
1433
1434 static DWORD get_interface_index(const char *guid)
1435 {
1436 ULONG index;
1437 DWORD status;
1438 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1439 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1440 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1441 status = GetAdapterIndex (wbuf, &index);
1442 if (status != NO_ERROR) {
1443 return (DWORD)~0;
1444 } else {
1445 return index;
1446 }
1447 }
1448
1449 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1450
1451 static int guest_get_network_stats(const char *name,
1452 GuestNetworkInterfaceStat *stats)
1453 {
1454 OSVERSIONINFO os_ver;
1455
1456 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1457 GetVersionEx(&os_ver);
1458 if (os_ver.dwMajorVersion >= 6) {
1459 MIB_IF_ROW2 a_mid_ifrow;
1460 GetIfEntry2Func getifentry2_ex;
1461 DWORD if_index = 0;
1462 HMODULE module = GetModuleHandle("iphlpapi");
1463 PVOID func = GetProcAddress(module, "GetIfEntry2");
1464
1465 if (func == NULL) {
1466 return -1;
1467 }
1468
1469 getifentry2_ex = (GetIfEntry2Func)func;
1470 if_index = get_interface_index(name);
1471 if (if_index == (DWORD)~0) {
1472 return -1;
1473 }
1474
1475 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1476 a_mid_ifrow.InterfaceIndex = if_index;
1477 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1478 stats->rx_bytes = a_mid_ifrow.InOctets;
1479 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1480 stats->rx_errs = a_mid_ifrow.InErrors;
1481 stats->rx_dropped = a_mid_ifrow.InDiscards;
1482 stats->tx_bytes = a_mid_ifrow.OutOctets;
1483 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1484 stats->tx_errs = a_mid_ifrow.OutErrors;
1485 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1486 return 0;
1487 }
1488 }
1489 return -1;
1490 }
1491
1492 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1493 {
1494 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1495 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1496 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1497 GuestIpAddressList *head_addr, *cur_addr;
1498 GuestNetworkInterfaceList *info;
1499 GuestNetworkInterfaceStat *interface_stat = NULL;
1500 GuestIpAddressList *address_item = NULL;
1501 unsigned char *mac_addr;
1502 char *addr_str;
1503 WORD wsa_version;
1504 WSADATA wsa_data;
1505 int ret;
1506
1507 adptr_addrs = guest_get_adapters_addresses(errp);
1508 if (adptr_addrs == NULL) {
1509 return NULL;
1510 }
1511
1512 /* Make WSA APIs available. */
1513 wsa_version = MAKEWORD(2, 2);
1514 ret = WSAStartup(wsa_version, &wsa_data);
1515 if (ret != 0) {
1516 error_setg_win32(errp, ret, "failed socket startup");
1517 goto out;
1518 }
1519
1520 for (addr = adptr_addrs; addr; addr = addr->Next) {
1521 info = g_malloc0(sizeof(*info));
1522
1523 if (cur_item == NULL) {
1524 head = cur_item = info;
1525 } else {
1526 cur_item->next = info;
1527 cur_item = info;
1528 }
1529
1530 info->value = g_malloc0(sizeof(*info->value));
1531 info->value->name = guest_wctomb_dup(addr->FriendlyName);
1532
1533 if (addr->PhysicalAddressLength != 0) {
1534 mac_addr = addr->PhysicalAddress;
1535
1536 info->value->hardware_address =
1537 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1538 (int) mac_addr[0], (int) mac_addr[1],
1539 (int) mac_addr[2], (int) mac_addr[3],
1540 (int) mac_addr[4], (int) mac_addr[5]);
1541
1542 info->value->has_hardware_address = true;
1543 }
1544
1545 head_addr = NULL;
1546 cur_addr = NULL;
1547 for (ip_addr = addr->FirstUnicastAddress;
1548 ip_addr;
1549 ip_addr = ip_addr->Next) {
1550 addr_str = guest_addr_to_str(ip_addr, errp);
1551 if (addr_str == NULL) {
1552 continue;
1553 }
1554
1555 address_item = g_malloc0(sizeof(*address_item));
1556
1557 if (!cur_addr) {
1558 head_addr = cur_addr = address_item;
1559 } else {
1560 cur_addr->next = address_item;
1561 cur_addr = address_item;
1562 }
1563
1564 address_item->value = g_malloc0(sizeof(*address_item->value));
1565 address_item->value->ip_address = addr_str;
1566 address_item->value->prefix = guest_ip_prefix(ip_addr);
1567 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1568 address_item->value->ip_address_type =
1569 GUEST_IP_ADDRESS_TYPE_IPV4;
1570 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1571 address_item->value->ip_address_type =
1572 GUEST_IP_ADDRESS_TYPE_IPV6;
1573 }
1574 }
1575 if (head_addr) {
1576 info->value->has_ip_addresses = true;
1577 info->value->ip_addresses = head_addr;
1578 }
1579 if (!info->value->has_statistics) {
1580 interface_stat = g_malloc0(sizeof(*interface_stat));
1581 if (guest_get_network_stats(addr->AdapterName,
1582 interface_stat) == -1) {
1583 info->value->has_statistics = false;
1584 g_free(interface_stat);
1585 } else {
1586 info->value->statistics = interface_stat;
1587 info->value->has_statistics = true;
1588 }
1589 }
1590 }
1591 WSACleanup();
1592 out:
1593 g_free(adptr_addrs);
1594 return head;
1595 }
1596
1597 int64_t qmp_guest_get_time(Error **errp)
1598 {
1599 SYSTEMTIME ts = {0};
1600 FILETIME tf;
1601
1602 GetSystemTime(&ts);
1603 if (ts.wYear < 1601 || ts.wYear > 30827) {
1604 error_setg(errp, "Failed to get time");
1605 return -1;
1606 }
1607
1608 if (!SystemTimeToFileTime(&ts, &tf)) {
1609 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1610 return -1;
1611 }
1612
1613 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1614 - W32_FT_OFFSET) * 100;
1615 }
1616
1617 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1618 {
1619 Error *local_err = NULL;
1620 SYSTEMTIME ts;
1621 FILETIME tf;
1622 LONGLONG time;
1623
1624 if (!has_time) {
1625 /* Unfortunately, Windows libraries don't provide an easy way to access
1626 * RTC yet:
1627 *
1628 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1629 *
1630 * Instead, a workaround is to use the Windows win32tm command to
1631 * resync the time using the Windows Time service.
1632 */
1633 LPVOID msg_buffer;
1634 DWORD ret_flags;
1635
1636 HRESULT hr = system("w32tm /resync /nowait");
1637
1638 if (GetLastError() != 0) {
1639 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1640 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1641 } else if (hr != 0) {
1642 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1643 error_setg(errp, "Windows Time service not running on the "
1644 "guest");
1645 } else {
1646 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1647 FORMAT_MESSAGE_FROM_SYSTEM |
1648 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1649 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1650 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1651 NULL)) {
1652 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1653 "t retrieve error message", hr);
1654 } else {
1655 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1656 (LPCTSTR)msg_buffer);
1657 LocalFree(msg_buffer);
1658 }
1659 }
1660 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1661 error_setg(errp, "No internet connection on guest, sync not "
1662 "accurate");
1663 }
1664 return;
1665 }
1666
1667 /* Validate time passed by user. */
1668 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1669 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1670 return;
1671 }
1672
1673 time = time_ns / 100 + W32_FT_OFFSET;
1674
1675 tf.dwLowDateTime = (DWORD) time;
1676 tf.dwHighDateTime = (DWORD) (time >> 32);
1677
1678 if (!FileTimeToSystemTime(&tf, &ts)) {
1679 error_setg(errp, "Failed to convert system time %d",
1680 (int)GetLastError());
1681 return;
1682 }
1683
1684 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1685 if (local_err) {
1686 error_propagate(errp, local_err);
1687 return;
1688 }
1689
1690 if (!SetSystemTime(&ts)) {
1691 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1692 return;
1693 }
1694 }
1695
1696 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1697 {
1698 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1699 DWORD length;
1700 GuestLogicalProcessorList *head, **link;
1701 Error *local_err = NULL;
1702 int64_t current;
1703
1704 ptr = pslpi = NULL;
1705 length = 0;
1706 current = 0;
1707 head = NULL;
1708 link = &head;
1709
1710 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1711 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1712 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1713 ptr = pslpi = g_malloc0(length);
1714 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1715 error_setg(&local_err, "Failed to get processor information: %d",
1716 (int)GetLastError());
1717 }
1718 } else {
1719 error_setg(&local_err,
1720 "Failed to get processor information buffer length: %d",
1721 (int)GetLastError());
1722 }
1723
1724 while ((local_err == NULL) && (length > 0)) {
1725 if (pslpi->Relationship == RelationProcessorCore) {
1726 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1727
1728 while (cpu_bits > 0) {
1729 if (!!(cpu_bits & 1)) {
1730 GuestLogicalProcessor *vcpu;
1731 GuestLogicalProcessorList *entry;
1732
1733 vcpu = g_malloc0(sizeof *vcpu);
1734 vcpu->logical_id = current++;
1735 vcpu->online = true;
1736 vcpu->has_can_offline = true;
1737
1738 entry = g_malloc0(sizeof *entry);
1739 entry->value = vcpu;
1740
1741 *link = entry;
1742 link = &entry->next;
1743 }
1744 cpu_bits >>= 1;
1745 }
1746 }
1747 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1748 pslpi++; /* next entry */
1749 }
1750
1751 g_free(ptr);
1752
1753 if (local_err == NULL) {
1754 if (head != NULL) {
1755 return head;
1756 }
1757 /* there's no guest with zero VCPUs */
1758 error_setg(&local_err, "Guest reported zero VCPUs");
1759 }
1760
1761 qapi_free_GuestLogicalProcessorList(head);
1762 error_propagate(errp, local_err);
1763 return NULL;
1764 }
1765
1766 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1767 {
1768 error_setg(errp, QERR_UNSUPPORTED);
1769 return -1;
1770 }
1771
1772 static gchar *
1773 get_net_error_message(gint error)
1774 {
1775 HMODULE module = NULL;
1776 gchar *retval = NULL;
1777 wchar_t *msg = NULL;
1778 int flags;
1779 size_t nchars;
1780
1781 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1782 FORMAT_MESSAGE_IGNORE_INSERTS |
1783 FORMAT_MESSAGE_FROM_SYSTEM;
1784
1785 if (error >= NERR_BASE && error <= MAX_NERR) {
1786 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1787
1788 if (module != NULL) {
1789 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1790 }
1791 }
1792
1793 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1794
1795 if (msg != NULL) {
1796 nchars = wcslen(msg);
1797
1798 if (nchars >= 2 &&
1799 msg[nchars - 1] == L'\n' &&
1800 msg[nchars - 2] == L'\r') {
1801 msg[nchars - 2] = L'\0';
1802 }
1803
1804 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1805
1806 LocalFree(msg);
1807 }
1808
1809 if (module != NULL) {
1810 FreeLibrary(module);
1811 }
1812
1813 return retval;
1814 }
1815
1816 void qmp_guest_set_user_password(const char *username,
1817 const char *password,
1818 bool crypted,
1819 Error **errp)
1820 {
1821 NET_API_STATUS nas;
1822 char *rawpasswddata = NULL;
1823 size_t rawpasswdlen;
1824 wchar_t *user = NULL, *wpass = NULL;
1825 USER_INFO_1003 pi1003 = { 0, };
1826 GError *gerr = NULL;
1827
1828 if (crypted) {
1829 error_setg(errp, QERR_UNSUPPORTED);
1830 return;
1831 }
1832
1833 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1834 if (!rawpasswddata) {
1835 return;
1836 }
1837 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1838 rawpasswddata[rawpasswdlen] = '\0';
1839
1840 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1841 if (!user) {
1842 goto done;
1843 }
1844
1845 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1846 if (!wpass) {
1847 goto done;
1848 }
1849
1850 pi1003.usri1003_password = wpass;
1851 nas = NetUserSetInfo(NULL, user,
1852 1003, (LPBYTE)&pi1003,
1853 NULL);
1854
1855 if (nas != NERR_Success) {
1856 gchar *msg = get_net_error_message(nas);
1857 error_setg(errp, "failed to set password: %s", msg);
1858 g_free(msg);
1859 }
1860
1861 done:
1862 if (gerr) {
1863 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1864 g_error_free(gerr);
1865 }
1866 g_free(user);
1867 g_free(wpass);
1868 g_free(rawpasswddata);
1869 }
1870
1871 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1872 {
1873 error_setg(errp, QERR_UNSUPPORTED);
1874 return NULL;
1875 }
1876
1877 GuestMemoryBlockResponseList *
1878 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1879 {
1880 error_setg(errp, QERR_UNSUPPORTED);
1881 return NULL;
1882 }
1883
1884 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1885 {
1886 error_setg(errp, QERR_UNSUPPORTED);
1887 return NULL;
1888 }
1889
1890 /* add unsupported commands to the blacklist */
1891 GList *ga_command_blacklist_init(GList *blacklist)
1892 {
1893 const char *list_unsupported[] = {
1894 "guest-suspend-hybrid",
1895 "guest-set-vcpus",
1896 "guest-get-memory-blocks", "guest-set-memory-blocks",
1897 "guest-get-memory-block-size",
1898 NULL};
1899 char **p = (char **)list_unsupported;
1900
1901 while (*p) {
1902 blacklist = g_list_append(blacklist, g_strdup(*p++));
1903 }
1904
1905 if (!vss_init(true)) {
1906 g_debug("vss_init failed, vss commands are going to be disabled");
1907 const char *list[] = {
1908 "guest-get-fsinfo", "guest-fsfreeze-status",
1909 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1910 p = (char **)list;
1911
1912 while (*p) {
1913 blacklist = g_list_append(blacklist, g_strdup(*p++));
1914 }
1915 }
1916
1917 return blacklist;
1918 }
1919
1920 /* register init/cleanup routines for stateful command groups */
1921 void ga_command_state_init(GAState *s, GACommandState *cs)
1922 {
1923 if (!vss_initialized()) {
1924 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1925 }
1926 }
1927
1928 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
1929 typedef struct _GA_WTSINFOA {
1930 WTS_CONNECTSTATE_CLASS State;
1931 DWORD SessionId;
1932 DWORD IncomingBytes;
1933 DWORD OutgoingBytes;
1934 DWORD IncomingFrames;
1935 DWORD OutgoingFrames;
1936 DWORD IncomingCompressedBytes;
1937 DWORD OutgoingCompressedBy;
1938 CHAR WinStationName[WINSTATIONNAME_LENGTH];
1939 CHAR Domain[DOMAIN_LENGTH];
1940 CHAR UserName[USERNAME_LENGTH + 1];
1941 LARGE_INTEGER ConnectTime;
1942 LARGE_INTEGER DisconnectTime;
1943 LARGE_INTEGER LastInputTime;
1944 LARGE_INTEGER LogonTime;
1945 LARGE_INTEGER CurrentTime;
1946
1947 } GA_WTSINFOA;
1948
1949 GuestUserList *qmp_guest_get_users(Error **err)
1950 {
1951 #define QGA_NANOSECONDS 10000000
1952
1953 GHashTable *cache = NULL;
1954 GuestUserList *head = NULL, *cur_item = NULL;
1955
1956 DWORD buffer_size = 0, count = 0, i = 0;
1957 GA_WTSINFOA *info = NULL;
1958 WTS_SESSION_INFOA *entries = NULL;
1959 GuestUserList *item = NULL;
1960 GuestUser *user = NULL;
1961 gpointer value = NULL;
1962 INT64 login = 0;
1963 double login_time = 0;
1964
1965 cache = g_hash_table_new(g_str_hash, g_str_equal);
1966
1967 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
1968 for (i = 0; i < count; ++i) {
1969 buffer_size = 0;
1970 info = NULL;
1971 if (WTSQuerySessionInformationA(
1972 NULL,
1973 entries[i].SessionId,
1974 WTSSessionInfo,
1975 (LPSTR *)&info,
1976 &buffer_size
1977 )) {
1978
1979 if (strlen(info->UserName) == 0) {
1980 WTSFreeMemory(info);
1981 continue;
1982 }
1983
1984 login = info->LogonTime.QuadPart;
1985 login -= W32_FT_OFFSET;
1986 login_time = ((double)login) / QGA_NANOSECONDS;
1987
1988 if (g_hash_table_contains(cache, info->UserName)) {
1989 value = g_hash_table_lookup(cache, info->UserName);
1990 user = (GuestUser *)value;
1991 if (user->login_time > login_time) {
1992 user->login_time = login_time;
1993 }
1994 } else {
1995 item = g_new0(GuestUserList, 1);
1996 item->value = g_new0(GuestUser, 1);
1997
1998 item->value->user = g_strdup(info->UserName);
1999 item->value->domain = g_strdup(info->Domain);
2000 item->value->has_domain = true;
2001
2002 item->value->login_time = login_time;
2003
2004 g_hash_table_add(cache, item->value->user);
2005
2006 if (!cur_item) {
2007 head = cur_item = item;
2008 } else {
2009 cur_item->next = item;
2010 cur_item = item;
2011 }
2012 }
2013 }
2014 WTSFreeMemory(info);
2015 }
2016 WTSFreeMemory(entries);
2017 }
2018 g_hash_table_destroy(cache);
2019 return head;
2020 }
2021
2022 typedef struct _ga_matrix_lookup_t {
2023 int major;
2024 int minor;
2025 char const *version;
2026 char const *version_id;
2027 } ga_matrix_lookup_t;
2028
2029 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
2030 {
2031 /* Desktop editions */
2032 { 5, 0, "Microsoft Windows 2000", "2000"},
2033 { 5, 1, "Microsoft Windows XP", "xp"},
2034 { 6, 0, "Microsoft Windows Vista", "vista"},
2035 { 6, 1, "Microsoft Windows 7" "7"},
2036 { 6, 2, "Microsoft Windows 8", "8"},
2037 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2038 {10, 0, "Microsoft Windows 10", "10"},
2039 { 0, 0, 0}
2040 },{
2041 /* Server editions */
2042 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2043 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2044 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2045 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2046 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2047 { 0, 0, 0},
2048 { 0, 0, 0},
2049 { 0, 0, 0}
2050 }
2051 };
2052
2053 typedef struct _ga_win_10_0_server_t {
2054 int final_build;
2055 char const *version;
2056 char const *version_id;
2057 } ga_win_10_0_server_t;
2058
2059 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = {
2060 {14393, "Microsoft Windows Server 2016", "2016"},
2061 {17763, "Microsoft Windows Server 2019", "2019"},
2062 {0, 0}
2063 };
2064
2065 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2066 {
2067 typedef NTSTATUS(WINAPI * rtl_get_version_t)(
2068 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2069
2070 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2071
2072 HMODULE module = GetModuleHandle("ntdll");
2073 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2074 if (fun == NULL) {
2075 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2076 "Failed to get address of RtlGetVersion");
2077 return;
2078 }
2079
2080 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2081 rtl_get_version(info);
2082 return;
2083 }
2084
2085 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2086 {
2087 DWORD major = os_version->dwMajorVersion;
2088 DWORD minor = os_version->dwMinorVersion;
2089 DWORD build = os_version->dwBuildNumber;
2090 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2091 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2092 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX;
2093 while (table->version != NULL) {
2094 if (major == 10 && minor == 0 && tbl_idx) {
2095 while (win_10_0_table->version != NULL) {
2096 if (build <= win_10_0_table->final_build) {
2097 if (id) {
2098 return g_strdup(win_10_0_table->version_id);
2099 } else {
2100 return g_strdup(win_10_0_table->version);
2101 }
2102 }
2103 win_10_0_table++;
2104 }
2105 } else if (major == table->major && minor == table->minor) {
2106 if (id) {
2107 return g_strdup(table->version_id);
2108 } else {
2109 return g_strdup(table->version);
2110 }
2111 }
2112 ++table;
2113 }
2114 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2115 major, minor);
2116 return g_strdup("N/A");
2117 }
2118
2119 static char *ga_get_win_product_name(Error **errp)
2120 {
2121 HKEY key = NULL;
2122 DWORD size = 128;
2123 char *result = g_malloc0(size);
2124 LONG err = ERROR_SUCCESS;
2125
2126 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2127 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2128 &key);
2129 if (err != ERROR_SUCCESS) {
2130 error_setg_win32(errp, err, "failed to open registry key");
2131 goto fail;
2132 }
2133
2134 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2135 (LPBYTE)result, &size);
2136 if (err == ERROR_MORE_DATA) {
2137 slog("ProductName longer than expected (%lu bytes), retrying",
2138 size);
2139 g_free(result);
2140 result = NULL;
2141 if (size > 0) {
2142 result = g_malloc0(size);
2143 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2144 (LPBYTE)result, &size);
2145 }
2146 }
2147 if (err != ERROR_SUCCESS) {
2148 error_setg_win32(errp, err, "failed to retrive ProductName");
2149 goto fail;
2150 }
2151
2152 return result;
2153
2154 fail:
2155 g_free(result);
2156 return NULL;
2157 }
2158
2159 static char *ga_get_current_arch(void)
2160 {
2161 SYSTEM_INFO info;
2162 GetNativeSystemInfo(&info);
2163 char *result = NULL;
2164 switch (info.wProcessorArchitecture) {
2165 case PROCESSOR_ARCHITECTURE_AMD64:
2166 result = g_strdup("x86_64");
2167 break;
2168 case PROCESSOR_ARCHITECTURE_ARM:
2169 result = g_strdup("arm");
2170 break;
2171 case PROCESSOR_ARCHITECTURE_IA64:
2172 result = g_strdup("ia64");
2173 break;
2174 case PROCESSOR_ARCHITECTURE_INTEL:
2175 result = g_strdup("x86");
2176 break;
2177 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2178 default:
2179 slog("unknown processor architecture 0x%0x",
2180 info.wProcessorArchitecture);
2181 result = g_strdup("unknown");
2182 break;
2183 }
2184 return result;
2185 }
2186
2187 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2188 {
2189 Error *local_err = NULL;
2190 OSVERSIONINFOEXW os_version = {0};
2191 bool server;
2192 char *product_name;
2193 GuestOSInfo *info;
2194
2195 ga_get_win_version(&os_version, &local_err);
2196 if (local_err) {
2197 error_propagate(errp, local_err);
2198 return NULL;
2199 }
2200
2201 server = os_version.wProductType != VER_NT_WORKSTATION;
2202 product_name = ga_get_win_product_name(&local_err);
2203 if (product_name == NULL) {
2204 error_propagate(errp, local_err);
2205 return NULL;
2206 }
2207
2208 info = g_new0(GuestOSInfo, 1);
2209
2210 info->has_kernel_version = true;
2211 info->kernel_version = g_strdup_printf("%lu.%lu",
2212 os_version.dwMajorVersion,
2213 os_version.dwMinorVersion);
2214 info->has_kernel_release = true;
2215 info->kernel_release = g_strdup_printf("%lu",
2216 os_version.dwBuildNumber);
2217 info->has_machine = true;
2218 info->machine = ga_get_current_arch();
2219
2220 info->has_id = true;
2221 info->id = g_strdup("mswindows");
2222 info->has_name = true;
2223 info->name = g_strdup("Microsoft Windows");
2224 info->has_pretty_name = true;
2225 info->pretty_name = product_name;
2226 info->has_version = true;
2227 info->version = ga_get_win_name(&os_version, false);
2228 info->has_version_id = true;
2229 info->version_id = ga_get_win_name(&os_version, true);
2230 info->has_variant = true;
2231 info->variant = g_strdup(server ? "server" : "client");
2232 info->has_variant_id = true;
2233 info->variant_id = g_strdup(server ? "server" : "client");
2234
2235 return info;
2236 }
QEmu