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