Merge remote-tracking branch 'remotes/elmarco/tags/libslirp-pull-request' into staging
[qemu.git] / qga / commands-win32.c
1 /*
2 * QEMU Guest Agent win32-specific command implementations
3 *
4 * Copyright IBM Corp. 2012
5 *
6 * Authors:
7 * Michael Roth <mdroth@linux.vnet.ibm.com>
8 * Gal Hammer <ghammer@redhat.com>
9 *
10 * This work is licensed under the terms of the GNU GPL, version 2 or later.
11 * See the COPYING file in the top-level directory.
12 */
13 #include "qemu/osdep.h"
14
15 #include <wtypes.h>
16 #include <powrprof.h>
17 #include <winsock2.h>
18 #include <ws2tcpip.h>
19 #include <iptypes.h>
20 #include <iphlpapi.h>
21 #ifdef CONFIG_QGA_NTDDSCSI
22 #include <winioctl.h>
23 #include <ntddscsi.h>
24 #endif
25 #include <setupapi.h>
26 #include <cfgmgr32.h>
27 #include <initguid.h>
28 #include <devpropdef.h>
29 #include <lm.h>
30 #include <wtsapi32.h>
31 #include <wininet.h>
32
33 #include "guest-agent-core.h"
34 #include "vss-win32.h"
35 #include "qga-qapi-commands.h"
36 #include "qapi/error.h"
37 #include "qapi/qmp/qerror.h"
38 #include "qemu/queue.h"
39 #include "qemu/host-utils.h"
40 #include "qemu/base64.h"
41 #include "commands-common.h"
42
43 /*
44 * The following should be in devpkey.h, but it isn't. The key names were
45 * prefixed to avoid (future) name clashes. Once the definitions get into
46 * mingw the following lines can be removed.
47 */
48 DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5,
49 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10);
50 /* DEVPROP_TYPE_STRING */
51 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c,
52 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3);
53 /* DEVPROP_TYPE_STRING_LIST */
54 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
55 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2);
56 /* DEVPROP_TYPE_FILETIME */
57 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
58 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
59 /* DEVPROP_TYPE_STRING */
60 /* The CM_Get_DevNode_PropertyW prototype is only sometimes in cfgmgr32.h */
61 #ifndef CM_Get_DevNode_Property
62 #pragma GCC diagnostic push
63 #pragma GCC diagnostic ignored "-Wredundant-decls"
64 CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
65 DEVINST dnDevInst,
66 CONST DEVPROPKEY * PropertyKey,
67 DEVPROPTYPE * PropertyType,
68 PBYTE PropertyBuffer,
69 PULONG PropertyBufferSize,
70 ULONG ulFlags
71 );
72 #define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
73 #pragma GCC diagnostic pop
74 #endif
75
76 #ifndef SHTDN_REASON_FLAG_PLANNED
77 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
78 #endif
79
80 /* multiple of 100 nanoseconds elapsed between windows baseline
81 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
82 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
83 (365 * (1970 - 1601) + \
84 (1970 - 1601) / 4 - 3))
85
86 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
87
88 struct GuestFileHandle {
89 int64_t id;
90 HANDLE fh;
91 QTAILQ_ENTRY(GuestFileHandle) next;
92 };
93
94 static struct {
95 QTAILQ_HEAD(, GuestFileHandle) filehandles;
96 } guest_file_state = {
97 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
98 };
99
100 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
101
102 typedef struct OpenFlags {
103 const char *forms;
104 DWORD desired_access;
105 DWORD creation_disposition;
106 } OpenFlags;
107 static OpenFlags guest_file_open_modes[] = {
108 {"r", GENERIC_READ, OPEN_EXISTING},
109 {"rb", GENERIC_READ, OPEN_EXISTING},
110 {"w", GENERIC_WRITE, CREATE_ALWAYS},
111 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
112 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
113 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
114 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
115 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
116 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
117 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
118 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
119 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
120 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
121 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
122 };
123
124 #define debug_error(msg) do { \
125 char *suffix = g_win32_error_message(GetLastError()); \
126 g_debug("%s: %s", (msg), suffix); \
127 g_free(suffix); \
128 } while (0)
129
130 static OpenFlags *find_open_flag(const char *mode_str)
131 {
132 int mode;
133 Error **errp = NULL;
134
135 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
136 OpenFlags *flags = guest_file_open_modes + mode;
137
138 if (strcmp(flags->forms, mode_str) == 0) {
139 return flags;
140 }
141 }
142
143 error_setg(errp, "invalid file open mode '%s'", mode_str);
144 return NULL;
145 }
146
147 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
148 {
149 GuestFileHandle *gfh;
150 int64_t handle;
151
152 handle = ga_get_fd_handle(ga_state, errp);
153 if (handle < 0) {
154 return -1;
155 }
156 gfh = g_new0(GuestFileHandle, 1);
157 gfh->id = handle;
158 gfh->fh = fh;
159 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
160
161 return handle;
162 }
163
164 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
165 {
166 GuestFileHandle *gfh;
167 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
168 if (gfh->id == id) {
169 return gfh;
170 }
171 }
172 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
173 return NULL;
174 }
175
176 static void handle_set_nonblocking(HANDLE fh)
177 {
178 DWORD file_type, pipe_state;
179 file_type = GetFileType(fh);
180 if (file_type != FILE_TYPE_PIPE) {
181 return;
182 }
183 /* If file_type == FILE_TYPE_PIPE, according to MSDN
184 * the specified file is socket or named pipe */
185 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
186 NULL, NULL, NULL, 0)) {
187 return;
188 }
189 /* The fd is named pipe fd */
190 if (pipe_state & PIPE_NOWAIT) {
191 return;
192 }
193
194 pipe_state |= PIPE_NOWAIT;
195 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
196 }
197
198 int64_t qmp_guest_file_open(const char *path, bool has_mode,
199 const char *mode, Error **errp)
200 {
201 int64_t fd = -1;
202 HANDLE fh;
203 HANDLE templ_file = NULL;
204 DWORD share_mode = FILE_SHARE_READ;
205 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
206 LPSECURITY_ATTRIBUTES sa_attr = NULL;
207 OpenFlags *guest_flags;
208 GError *gerr = NULL;
209 wchar_t *w_path = NULL;
210
211 if (!has_mode) {
212 mode = "r";
213 }
214 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
215 guest_flags = find_open_flag(mode);
216 if (guest_flags == NULL) {
217 error_setg(errp, "invalid file open mode");
218 goto done;
219 }
220
221 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
222 if (!w_path) {
223 goto done;
224 }
225
226 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr,
227 guest_flags->creation_disposition, flags_and_attr,
228 templ_file);
229 if (fh == INVALID_HANDLE_VALUE) {
230 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
231 path);
232 goto done;
233 }
234
235 /* set fd non-blocking to avoid common use cases (like reading from a
236 * named pipe) from hanging the agent
237 */
238 handle_set_nonblocking(fh);
239
240 fd = guest_file_handle_add(fh, errp);
241 if (fd < 0) {
242 CloseHandle(fh);
243 error_setg(errp, "failed to add handle to qmp handle table");
244 goto done;
245 }
246
247 slog("guest-file-open, handle: % " PRId64, fd);
248
249 done:
250 if (gerr) {
251 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
252 g_error_free(gerr);
253 }
254 g_free(w_path);
255 return fd;
256 }
257
258 void qmp_guest_file_close(int64_t handle, Error **errp)
259 {
260 bool ret;
261 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
262 slog("guest-file-close called, handle: %" PRId64, handle);
263 if (gfh == NULL) {
264 return;
265 }
266 ret = CloseHandle(gfh->fh);
267 if (!ret) {
268 error_setg_win32(errp, GetLastError(), "failed close handle");
269 return;
270 }
271
272 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
273 g_free(gfh);
274 }
275
276 static void acquire_privilege(const char *name, Error **errp)
277 {
278 HANDLE token = NULL;
279 TOKEN_PRIVILEGES priv;
280 Error *local_err = NULL;
281
282 if (OpenProcessToken(GetCurrentProcess(),
283 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
284 {
285 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
286 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
287 "no luid for requested privilege");
288 goto out;
289 }
290
291 priv.PrivilegeCount = 1;
292 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
293
294 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
295 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
296 "unable to acquire requested privilege");
297 goto out;
298 }
299
300 } else {
301 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
302 "failed to open privilege token");
303 }
304
305 out:
306 if (token) {
307 CloseHandle(token);
308 }
309 error_propagate(errp, local_err);
310 }
311
312 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
313 Error **errp)
314 {
315 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
316 if (!thread) {
317 error_setg(errp, QERR_QGA_COMMAND_FAILED,
318 "failed to dispatch asynchronous command");
319 }
320 }
321
322 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
323 {
324 Error *local_err = NULL;
325 UINT shutdown_flag = EWX_FORCE;
326
327 slog("guest-shutdown called, mode: %s", mode);
328
329 if (!has_mode || strcmp(mode, "powerdown") == 0) {
330 shutdown_flag |= EWX_POWEROFF;
331 } else if (strcmp(mode, "halt") == 0) {
332 shutdown_flag |= EWX_SHUTDOWN;
333 } else if (strcmp(mode, "reboot") == 0) {
334 shutdown_flag |= EWX_REBOOT;
335 } else {
336 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
337 "halt|powerdown|reboot");
338 return;
339 }
340
341 /* Request a shutdown privilege, but try to shut down the system
342 anyway. */
343 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
344 if (local_err) {
345 error_propagate(errp, local_err);
346 return;
347 }
348
349 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
350 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
351 slog("guest-shutdown failed: %s", emsg);
352 error_setg_win32(errp, GetLastError(), "guest-shutdown failed");
353 }
354 }
355
356 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
357 int64_t count, Error **errp)
358 {
359 GuestFileRead *read_data = NULL;
360 guchar *buf;
361 HANDLE fh = gfh->fh;
362 bool is_ok;
363 DWORD read_count;
364
365 buf = g_malloc0(count + 1);
366 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
367 if (!is_ok) {
368 error_setg_win32(errp, GetLastError(), "failed to read file");
369 } else {
370 buf[read_count] = 0;
371 read_data = g_new0(GuestFileRead, 1);
372 read_data->count = (size_t)read_count;
373 read_data->eof = read_count == 0;
374
375 if (read_count != 0) {
376 read_data->buf_b64 = g_base64_encode(buf, read_count);
377 }
378 }
379 g_free(buf);
380
381 return read_data;
382 }
383
384 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
385 bool has_count, int64_t count,
386 Error **errp)
387 {
388 GuestFileWrite *write_data = NULL;
389 guchar *buf;
390 gsize buf_len;
391 bool is_ok;
392 DWORD write_count;
393 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
394 HANDLE fh;
395
396 if (!gfh) {
397 return NULL;
398 }
399 fh = gfh->fh;
400 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
401 if (!buf) {
402 return NULL;
403 }
404
405 if (!has_count) {
406 count = buf_len;
407 } else if (count < 0 || count > buf_len) {
408 error_setg(errp, "value '%" PRId64
409 "' is invalid for argument count", count);
410 goto done;
411 }
412
413 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
414 if (!is_ok) {
415 error_setg_win32(errp, GetLastError(), "failed to write to file");
416 slog("guest-file-write-failed, handle: %" PRId64, handle);
417 } else {
418 write_data = g_new0(GuestFileWrite, 1);
419 write_data->count = (size_t) write_count;
420 }
421
422 done:
423 g_free(buf);
424 return write_data;
425 }
426
427 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
428 GuestFileWhence *whence_code,
429 Error **errp)
430 {
431 GuestFileHandle *gfh;
432 GuestFileSeek *seek_data;
433 HANDLE fh;
434 LARGE_INTEGER new_pos, off_pos;
435 off_pos.QuadPart = offset;
436 BOOL res;
437 int whence;
438 Error *err = NULL;
439
440 gfh = guest_file_handle_find(handle, errp);
441 if (!gfh) {
442 return NULL;
443 }
444
445 /* We stupidly exposed 'whence':'int' in our qapi */
446 whence = ga_parse_whence(whence_code, &err);
447 if (err) {
448 error_propagate(errp, err);
449 return NULL;
450 }
451
452 fh = gfh->fh;
453 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
454 if (!res) {
455 error_setg_win32(errp, GetLastError(), "failed to seek file");
456 return NULL;
457 }
458 seek_data = g_new0(GuestFileSeek, 1);
459 seek_data->position = new_pos.QuadPart;
460 return seek_data;
461 }
462
463 void qmp_guest_file_flush(int64_t handle, Error **errp)
464 {
465 HANDLE fh;
466 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
467 if (!gfh) {
468 return;
469 }
470
471 fh = gfh->fh;
472 if (!FlushFileBuffers(fh)) {
473 error_setg_win32(errp, GetLastError(), "failed to flush file");
474 }
475 }
476
477 #ifdef CONFIG_QGA_NTDDSCSI
478
479 static GuestDiskBusType win2qemu[] = {
480 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
481 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
482 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
483 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
484 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
485 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
486 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
487 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
488 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
489 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
490 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
491 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
492 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
493 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
494 #if (_WIN32_WINNT >= 0x0601)
495 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
496 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
497 #endif
498 };
499
500 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
501 {
502 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
503 return GUEST_DISK_BUS_TYPE_UNKNOWN;
504 }
505 return win2qemu[(int)bus];
506 }
507
508 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
509 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
510 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
511 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
512 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
513 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
514
515 static GuestPCIAddress *get_pci_info(int number, Error **errp)
516 {
517 HDEVINFO dev_info;
518 SP_DEVINFO_DATA dev_info_data;
519 SP_DEVICE_INTERFACE_DATA dev_iface_data;
520 HANDLE dev_file;
521 int i;
522 GuestPCIAddress *pci = NULL;
523 bool partial_pci = false;
524
525 pci = g_malloc0(sizeof(*pci));
526 pci->domain = -1;
527 pci->slot = -1;
528 pci->function = -1;
529 pci->bus = -1;
530
531 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
532 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
533 if (dev_info == INVALID_HANDLE_VALUE) {
534 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
535 goto out;
536 }
537
538 g_debug("enumerating devices");
539 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
540 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
541 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
542 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
543 STORAGE_DEVICE_NUMBER sdn;
544 char *parent_dev_id = NULL;
545 HDEVINFO parent_dev_info;
546 SP_DEVINFO_DATA parent_dev_info_data;
547 DWORD j;
548 DWORD size = 0;
549
550 g_debug("getting device path");
551 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
552 &GUID_DEVINTERFACE_DISK, 0,
553 &dev_iface_data)) {
554 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
555 pdev_iface_detail_data,
556 size, &size,
557 &dev_info_data)) {
558 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
559 pdev_iface_detail_data = g_malloc(size);
560 pdev_iface_detail_data->cbSize =
561 sizeof(*pdev_iface_detail_data);
562 } else {
563 error_setg_win32(errp, GetLastError(),
564 "failed to get device interfaces");
565 goto free_dev_info;
566 }
567 }
568
569 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
570 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
571 NULL);
572 g_free(pdev_iface_detail_data);
573
574 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
575 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
576 CloseHandle(dev_file);
577 error_setg_win32(errp, GetLastError(),
578 "failed to get device slot number");
579 goto free_dev_info;
580 }
581
582 CloseHandle(dev_file);
583 if (sdn.DeviceNumber != number) {
584 continue;
585 }
586 } else {
587 error_setg_win32(errp, GetLastError(),
588 "failed to get device interfaces");
589 goto free_dev_info;
590 }
591
592 g_debug("found device slot %d. Getting storage controller", number);
593 {
594 CONFIGRET cr;
595 DEVINST dev_inst, parent_dev_inst;
596 ULONG dev_id_size = 0;
597
598 size = 0;
599 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
600 parent_dev_id, size, &size)) {
601 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
602 parent_dev_id = g_malloc(size);
603 } else {
604 error_setg_win32(errp, GetLastError(),
605 "failed to get device instance ID");
606 goto out;
607 }
608 }
609
610 /*
611 * CM API used here as opposed to
612 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
613 * which exports are only available in mingw-w64 6+
614 */
615 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
616 if (cr != CR_SUCCESS) {
617 g_error("CM_Locate_DevInst failed with code %lx", cr);
618 error_setg_win32(errp, GetLastError(),
619 "failed to get device instance");
620 goto out;
621 }
622 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
623 if (cr != CR_SUCCESS) {
624 g_error("CM_Get_Parent failed with code %lx", cr);
625 error_setg_win32(errp, GetLastError(),
626 "failed to get parent device instance");
627 goto out;
628 }
629
630 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
631 if (cr != CR_SUCCESS) {
632 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
633 error_setg_win32(errp, GetLastError(),
634 "failed to get parent device ID length");
635 goto out;
636 }
637
638 ++dev_id_size;
639 if (dev_id_size > size) {
640 g_free(parent_dev_id);
641 parent_dev_id = g_malloc(dev_id_size);
642 }
643
644 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
645 0);
646 if (cr != CR_SUCCESS) {
647 g_error("CM_Get_Device_ID failed with code %lx", cr);
648 error_setg_win32(errp, GetLastError(),
649 "failed to get parent device ID");
650 goto out;
651 }
652 }
653
654 g_debug("querying storage controller %s for PCI information",
655 parent_dev_id);
656 parent_dev_info =
657 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
658 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
659 g_free(parent_dev_id);
660
661 if (parent_dev_info == INVALID_HANDLE_VALUE) {
662 error_setg_win32(errp, GetLastError(),
663 "failed to get parent device");
664 goto out;
665 }
666
667 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
668 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
669 error_setg_win32(errp, GetLastError(),
670 "failed to get parent device data");
671 goto out;
672 }
673
674 for (j = 0;
675 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data);
676 j++) {
677 DWORD addr, bus, ui_slot, type;
678 int func, slot;
679
680 /*
681 * There is no need to allocate buffer in the next functions. The
682 * size is known and ULONG according to
683 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
684 */
685 if (!SetupDiGetDeviceRegistryProperty(
686 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER,
687 &type, (PBYTE)&bus, size, NULL)) {
688 debug_error("failed to get PCI bus");
689 bus = -1;
690 partial_pci = true;
691 }
692
693 /*
694 * The function retrieves the device's address. This value will be
695 * transformed into device function and number
696 */
697 if (!SetupDiGetDeviceRegistryProperty(
698 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS,
699 &type, (PBYTE)&addr, size, NULL)) {
700 debug_error("failed to get PCI address");
701 addr = -1;
702 partial_pci = true;
703 }
704
705 /*
706 * This call returns UINumber of DEVICE_CAPABILITIES structure.
707 * This number is typically a user-perceived slot number.
708 */
709 if (!SetupDiGetDeviceRegistryProperty(
710 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER,
711 &type, (PBYTE)&ui_slot, size, NULL)) {
712 debug_error("failed to get PCI slot");
713 ui_slot = -1;
714 partial_pci = true;
715 }
716
717 /*
718 * SetupApi gives us the same information as driver with
719 * IoGetDeviceProperty. According to Microsoft:
720 *
721 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
722 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
723 * SPDRP_ADDRESS is propertyAddress, so we do the same.
724 *
725 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
726 */
727 if (partial_pci) {
728 pci->domain = -1;
729 pci->slot = -1;
730 pci->function = -1;
731 pci->bus = -1;
732 continue;
733 } else {
734 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
735 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
736 if ((int)ui_slot != slot) {
737 g_debug("mismatch with reported slot values: %d vs %d",
738 (int)ui_slot, slot);
739 }
740 pci->domain = 0;
741 pci->slot = (int)ui_slot;
742 pci->function = func;
743 pci->bus = (int)bus;
744 break;
745 }
746 }
747 SetupDiDestroyDeviceInfoList(parent_dev_info);
748 break;
749 }
750
751 free_dev_info:
752 SetupDiDestroyDeviceInfoList(dev_info);
753 out:
754 return pci;
755 }
756
757 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
758 Error **errp)
759 {
760 STORAGE_PROPERTY_QUERY query;
761 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
762 DWORD received;
763 ULONG size = sizeof(buf);
764
765 dev_desc = &buf;
766 query.PropertyId = StorageDeviceProperty;
767 query.QueryType = PropertyStandardQuery;
768
769 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
770 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
771 size, &received, NULL)) {
772 error_setg_win32(errp, GetLastError(), "failed to get bus type");
773 return;
774 }
775 disk->bus_type = find_bus_type(dev_desc->BusType);
776 g_debug("bus type %d", disk->bus_type);
777
778 /* Query once more. Now with long enough buffer. */
779 size = dev_desc->Size;
780 dev_desc = g_malloc0(size);
781 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
782 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
783 size, &received, NULL)) {
784 error_setg_win32(errp, GetLastError(), "failed to get serial number");
785 g_debug("failed to get serial number");
786 goto out_free;
787 }
788 if (dev_desc->SerialNumberOffset > 0) {
789 const char *serial;
790 size_t len;
791
792 if (dev_desc->SerialNumberOffset >= received) {
793 error_setg(errp, "failed to get serial number: offset outside the buffer");
794 g_debug("serial number offset outside the buffer");
795 goto out_free;
796 }
797 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
798 len = received - dev_desc->SerialNumberOffset;
799 g_debug("serial number \"%s\"", serial);
800 if (*serial != 0) {
801 disk->serial = g_strndup(serial, len);
802 disk->has_serial = true;
803 }
804 }
805 out_free:
806 g_free(dev_desc);
807
808 return;
809 }
810
811 static void get_single_disk_info(int disk_number,
812 GuestDiskAddress *disk, Error **errp)
813 {
814 SCSI_ADDRESS addr, *scsi_ad;
815 DWORD len;
816 HANDLE disk_h;
817 Error *local_err = NULL;
818
819 scsi_ad = &addr;
820
821 g_debug("getting disk info for: %s", disk->dev);
822 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
823 0, NULL);
824 if (disk_h == INVALID_HANDLE_VALUE) {
825 error_setg_win32(errp, GetLastError(), "failed to open disk");
826 return;
827 }
828
829 get_disk_properties(disk_h, disk, &local_err);
830 if (local_err) {
831 error_propagate(errp, local_err);
832 goto err_close;
833 }
834
835 g_debug("bus type %d", disk->bus_type);
836 /* always set pci_controller as required by schema. get_pci_info() should
837 * report -1 values for non-PCI buses rather than fail. fail the command
838 * if that doesn't hold since that suggests some other unexpected
839 * breakage
840 */
841 disk->pci_controller = get_pci_info(disk_number, &local_err);
842 if (local_err) {
843 error_propagate(errp, local_err);
844 goto err_close;
845 }
846 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
847 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
848 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
849 /* This bus type is not supported before Windows Server 2003 SP1 */
850 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
851 ) {
852 /* We are able to use the same ioctls for different bus types
853 * according to Microsoft docs
854 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
855 g_debug("getting SCSI info");
856 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
857 sizeof(SCSI_ADDRESS), &len, NULL)) {
858 disk->unit = addr.Lun;
859 disk->target = addr.TargetId;
860 disk->bus = addr.PathId;
861 }
862 /* We do not set error in this case, because we still have enough
863 * information about volume. */
864 }
865
866 err_close:
867 CloseHandle(disk_h);
868 return;
869 }
870
871 /* VSS provider works with volumes, thus there is no difference if
872 * the volume consist of spanned disks. Info about the first disk in the
873 * volume is returned for the spanned disk group (LVM) */
874 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
875 {
876 Error *local_err = NULL;
877 GuestDiskAddressList *list = NULL, *cur_item = NULL;
878 GuestDiskAddress *disk = NULL;
879 int i;
880 HANDLE vol_h;
881 DWORD size;
882 PVOLUME_DISK_EXTENTS extents = NULL;
883
884 /* strip final backslash */
885 char *name = g_strdup(guid);
886 if (g_str_has_suffix(name, "\\")) {
887 name[strlen(name) - 1] = 0;
888 }
889
890 g_debug("opening %s", name);
891 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
892 0, NULL);
893 if (vol_h == INVALID_HANDLE_VALUE) {
894 error_setg_win32(errp, GetLastError(), "failed to open volume");
895 goto out;
896 }
897
898 /* Get list of extents */
899 g_debug("getting disk extents");
900 size = sizeof(VOLUME_DISK_EXTENTS);
901 extents = g_malloc0(size);
902 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
903 0, extents, size, &size, NULL)) {
904 DWORD last_err = GetLastError();
905 if (last_err == ERROR_MORE_DATA) {
906 /* Try once more with big enough buffer */
907 g_free(extents);
908 extents = g_malloc0(size);
909 if (!DeviceIoControl(
910 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
911 0, extents, size, NULL, NULL)) {
912 error_setg_win32(errp, GetLastError(),
913 "failed to get disk extents");
914 goto out;
915 }
916 } else if (last_err == ERROR_INVALID_FUNCTION) {
917 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
918 g_debug("volume not on disk");
919 disk = g_malloc0(sizeof(GuestDiskAddress));
920 disk->has_dev = true;
921 disk->dev = g_strdup(name);
922 get_single_disk_info(0xffffffff, disk, &local_err);
923 if (local_err) {
924 g_debug("failed to get disk info, ignoring error: %s",
925 error_get_pretty(local_err));
926 error_free(local_err);
927 goto out;
928 }
929 list = g_malloc0(sizeof(*list));
930 list->value = disk;
931 disk = NULL;
932 list->next = NULL;
933 goto out;
934 } else {
935 error_setg_win32(errp, GetLastError(),
936 "failed to get disk extents");
937 goto out;
938 }
939 }
940 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
941
942 /* Go through each extent */
943 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
944 disk = g_malloc0(sizeof(GuestDiskAddress));
945
946 /* Disk numbers directly correspond to numbers used in UNCs
947 *
948 * See documentation for DISK_EXTENT:
949 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
950 *
951 * See also Naming Files, Paths and Namespaces:
952 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
953 */
954 disk->has_dev = true;
955 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
956 extents->Extents[i].DiskNumber);
957
958 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
959 if (local_err) {
960 error_propagate(errp, local_err);
961 goto out;
962 }
963 cur_item = g_malloc0(sizeof(*list));
964 cur_item->value = disk;
965 disk = NULL;
966 cur_item->next = list;
967 list = cur_item;
968 }
969
970
971 out:
972 if (vol_h != INVALID_HANDLE_VALUE) {
973 CloseHandle(vol_h);
974 }
975 qapi_free_GuestDiskAddress(disk);
976 g_free(extents);
977 g_free(name);
978
979 return list;
980 }
981
982 #else
983
984 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
985 {
986 return NULL;
987 }
988
989 #endif /* CONFIG_QGA_NTDDSCSI */
990
991 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
992 {
993 DWORD info_size;
994 char mnt, *mnt_point;
995 wchar_t wfs_name[32];
996 char fs_name[32];
997 wchar_t vol_info[MAX_PATH + 1];
998 size_t len;
999 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
1000 GuestFilesystemInfo *fs = NULL;
1001 HANDLE hLocalDiskHandle = NULL;
1002
1003 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
1004 if (GetLastError() != ERROR_MORE_DATA) {
1005 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1006 return NULL;
1007 }
1008
1009 mnt_point = g_malloc(info_size + 1);
1010 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
1011 &info_size)) {
1012 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1013 goto free;
1014 }
1015
1016 hLocalDiskHandle = CreateFile(guid, 0 , 0, NULL, OPEN_EXISTING,
1017 FILE_ATTRIBUTE_NORMAL |
1018 FILE_FLAG_BACKUP_SEMANTICS, NULL);
1019 if (INVALID_HANDLE_VALUE == hLocalDiskHandle) {
1020 error_setg_win32(errp, GetLastError(), "failed to get handle for volume");
1021 goto free;
1022 }
1023
1024 len = strlen(mnt_point);
1025 mnt_point[len] = '\\';
1026 mnt_point[len+1] = 0;
1027
1028 if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info,
1029 sizeof(vol_info), NULL, NULL, NULL,
1030 (LPWSTR) & wfs_name, sizeof(wfs_name))) {
1031 if (GetLastError() != ERROR_NOT_READY) {
1032 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1033 }
1034 goto free;
1035 }
1036
1037 fs = g_malloc(sizeof(*fs));
1038 fs->name = g_strdup(guid);
1039 fs->has_total_bytes = false;
1040 fs->has_used_bytes = false;
1041 if (len == 0) {
1042 fs->mountpoint = g_strdup("System Reserved");
1043 } else {
1044 fs->mountpoint = g_strndup(mnt_point, len);
1045 if (GetDiskFreeSpaceEx(fs->mountpoint,
1046 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1047 (PULARGE_INTEGER) & i64TotalBytes,
1048 (PULARGE_INTEGER) & i64FreeBytes)) {
1049 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1050 fs->total_bytes = i64TotalBytes;
1051 fs->has_total_bytes = true;
1052 fs->has_used_bytes = true;
1053 }
1054 }
1055 wcstombs(fs_name, wfs_name, sizeof(wfs_name));
1056 fs->type = g_strdup(fs_name);
1057 fs->disk = build_guest_disk_info(guid, errp);
1058 free:
1059 CloseHandle(hLocalDiskHandle);
1060 g_free(mnt_point);
1061 return fs;
1062 }
1063
1064 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1065 {
1066 HANDLE vol_h;
1067 GuestFilesystemInfoList *new, *ret = NULL;
1068 char guid[256];
1069
1070 vol_h = FindFirstVolume(guid, sizeof(guid));
1071 if (vol_h == INVALID_HANDLE_VALUE) {
1072 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1073 return NULL;
1074 }
1075
1076 do {
1077 Error *local_err = NULL;
1078 GuestFilesystemInfo *info = build_guest_fsinfo(guid, &local_err);
1079 if (local_err) {
1080 g_debug("failed to get filesystem info, ignoring error: %s",
1081 error_get_pretty(local_err));
1082 error_free(local_err);
1083 continue;
1084 }
1085 new = g_malloc(sizeof(*ret));
1086 new->value = info;
1087 new->next = ret;
1088 ret = new;
1089 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1090
1091 if (GetLastError() != ERROR_NO_MORE_FILES) {
1092 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1093 }
1094
1095 FindVolumeClose(vol_h);
1096 return ret;
1097 }
1098
1099 /*
1100 * Return status of freeze/thaw
1101 */
1102 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1103 {
1104 if (!vss_initialized()) {
1105 error_setg(errp, QERR_UNSUPPORTED);
1106 return 0;
1107 }
1108
1109 if (ga_is_frozen(ga_state)) {
1110 return GUEST_FSFREEZE_STATUS_FROZEN;
1111 }
1112
1113 return GUEST_FSFREEZE_STATUS_THAWED;
1114 }
1115
1116 /*
1117 * Freeze local file systems using Volume Shadow-copy Service.
1118 * The frozen state is limited for up to 10 seconds by VSS.
1119 */
1120 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1121 {
1122 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1123 }
1124
1125 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1126 strList *mountpoints,
1127 Error **errp)
1128 {
1129 int i;
1130 Error *local_err = NULL;
1131
1132 if (!vss_initialized()) {
1133 error_setg(errp, QERR_UNSUPPORTED);
1134 return 0;
1135 }
1136
1137 slog("guest-fsfreeze called");
1138
1139 /* cannot risk guest agent blocking itself on a write in this state */
1140 ga_set_frozen(ga_state);
1141
1142 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1143 if (local_err) {
1144 error_propagate(errp, local_err);
1145 goto error;
1146 }
1147
1148 return i;
1149
1150 error:
1151 local_err = NULL;
1152 qmp_guest_fsfreeze_thaw(&local_err);
1153 if (local_err) {
1154 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1155 error_free(local_err);
1156 }
1157 return 0;
1158 }
1159
1160 /*
1161 * Thaw local file systems using Volume Shadow-copy Service.
1162 */
1163 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1164 {
1165 int i;
1166
1167 if (!vss_initialized()) {
1168 error_setg(errp, QERR_UNSUPPORTED);
1169 return 0;
1170 }
1171
1172 qga_vss_fsfreeze(&i, false, NULL, errp);
1173
1174 ga_unset_frozen(ga_state);
1175 return i;
1176 }
1177
1178 static void guest_fsfreeze_cleanup(void)
1179 {
1180 Error *err = NULL;
1181
1182 if (!vss_initialized()) {
1183 return;
1184 }
1185
1186 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1187 qmp_guest_fsfreeze_thaw(&err);
1188 if (err) {
1189 slog("failed to clean up frozen filesystems: %s",
1190 error_get_pretty(err));
1191 error_free(err);
1192 }
1193 }
1194
1195 vss_deinit(true);
1196 }
1197
1198 /*
1199 * Walk list of mounted file systems in the guest, and discard unused
1200 * areas.
1201 */
1202 GuestFilesystemTrimResponse *
1203 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1204 {
1205 GuestFilesystemTrimResponse *resp;
1206 HANDLE handle;
1207 WCHAR guid[MAX_PATH] = L"";
1208 OSVERSIONINFO osvi;
1209 BOOL win8_or_later;
1210
1211 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1212 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1213 GetVersionEx(&osvi);
1214 win8_or_later = (osvi.dwMajorVersion > 6 ||
1215 ((osvi.dwMajorVersion == 6) &&
1216 (osvi.dwMinorVersion >= 2)));
1217 if (!win8_or_later) {
1218 error_setg(errp, "fstrim is only supported for Win8+");
1219 return NULL;
1220 }
1221
1222 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1223 if (handle == INVALID_HANDLE_VALUE) {
1224 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1225 return NULL;
1226 }
1227
1228 resp = g_new0(GuestFilesystemTrimResponse, 1);
1229
1230 do {
1231 GuestFilesystemTrimResult *res;
1232 GuestFilesystemTrimResultList *list;
1233 PWCHAR uc_path;
1234 DWORD char_count = 0;
1235 char *path, *out;
1236 GError *gerr = NULL;
1237 gchar * argv[4];
1238
1239 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1240
1241 if (GetLastError() != ERROR_MORE_DATA) {
1242 continue;
1243 }
1244 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1245 continue;
1246 }
1247
1248 uc_path = g_malloc(sizeof(WCHAR) * char_count);
1249 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1250 &char_count) || !*uc_path) {
1251 /* strange, but this condition could be faced even with size == 2 */
1252 g_free(uc_path);
1253 continue;
1254 }
1255
1256 res = g_new0(GuestFilesystemTrimResult, 1);
1257
1258 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1259
1260 g_free(uc_path);
1261
1262 if (!path) {
1263 res->has_error = true;
1264 res->error = g_strdup(gerr->message);
1265 g_error_free(gerr);
1266 break;
1267 }
1268
1269 res->path = path;
1270
1271 list = g_new0(GuestFilesystemTrimResultList, 1);
1272 list->value = res;
1273 list->next = resp->paths;
1274
1275 resp->paths = list;
1276
1277 memset(argv, 0, sizeof(argv));
1278 argv[0] = (gchar *)"defrag.exe";
1279 argv[1] = (gchar *)"/L";
1280 argv[2] = path;
1281
1282 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1283 &out /* stdout */, NULL /* stdin */,
1284 NULL, &gerr)) {
1285 res->has_error = true;
1286 res->error = g_strdup(gerr->message);
1287 g_error_free(gerr);
1288 } else {
1289 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1290 Error is reported in the output with something like
1291 (x89000020) etc code in the stdout */
1292
1293 int i;
1294 gchar **lines = g_strsplit(out, "\r\n", 0);
1295 g_free(out);
1296
1297 for (i = 0; lines[i] != NULL; i++) {
1298 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1299 continue;
1300 }
1301 res->has_error = true;
1302 res->error = g_strdup(lines[i]);
1303 break;
1304 }
1305 g_strfreev(lines);
1306 }
1307 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1308
1309 FindVolumeClose(handle);
1310 return resp;
1311 }
1312
1313 typedef enum {
1314 GUEST_SUSPEND_MODE_DISK,
1315 GUEST_SUSPEND_MODE_RAM
1316 } GuestSuspendMode;
1317
1318 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1319 {
1320 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1321
1322 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1323 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1324 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1325 "failed to determine guest suspend capabilities");
1326 return;
1327 }
1328
1329 switch (mode) {
1330 case GUEST_SUSPEND_MODE_DISK:
1331 if (!sys_pwr_caps.SystemS4) {
1332 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1333 "suspend-to-disk not supported by OS");
1334 }
1335 break;
1336 case GUEST_SUSPEND_MODE_RAM:
1337 if (!sys_pwr_caps.SystemS3) {
1338 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1339 "suspend-to-ram not supported by OS");
1340 }
1341 break;
1342 default:
1343 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
1344 "GuestSuspendMode");
1345 }
1346 }
1347
1348 static DWORD WINAPI do_suspend(LPVOID opaque)
1349 {
1350 GuestSuspendMode *mode = opaque;
1351 DWORD ret = 0;
1352
1353 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1354 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
1355 slog("failed to suspend guest: %s", emsg);
1356 ret = -1;
1357 }
1358 g_free(mode);
1359 return ret;
1360 }
1361
1362 void qmp_guest_suspend_disk(Error **errp)
1363 {
1364 Error *local_err = NULL;
1365 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1366
1367 *mode = GUEST_SUSPEND_MODE_DISK;
1368 check_suspend_mode(*mode, &local_err);
1369 if (local_err) {
1370 goto out;
1371 }
1372 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1373 if (local_err) {
1374 goto out;
1375 }
1376 execute_async(do_suspend, mode, &local_err);
1377
1378 out:
1379 if (local_err) {
1380 error_propagate(errp, local_err);
1381 g_free(mode);
1382 }
1383 }
1384
1385 void qmp_guest_suspend_ram(Error **errp)
1386 {
1387 Error *local_err = NULL;
1388 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1389
1390 *mode = GUEST_SUSPEND_MODE_RAM;
1391 check_suspend_mode(*mode, &local_err);
1392 if (local_err) {
1393 goto out;
1394 }
1395 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1396 if (local_err) {
1397 goto out;
1398 }
1399 execute_async(do_suspend, mode, &local_err);
1400
1401 out:
1402 if (local_err) {
1403 error_propagate(errp, local_err);
1404 g_free(mode);
1405 }
1406 }
1407
1408 void qmp_guest_suspend_hybrid(Error **errp)
1409 {
1410 error_setg(errp, QERR_UNSUPPORTED);
1411 }
1412
1413 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1414 {
1415 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1416 ULONG adptr_addrs_len = 0;
1417 DWORD ret;
1418
1419 /* Call the first time to get the adptr_addrs_len. */
1420 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1421 NULL, adptr_addrs, &adptr_addrs_len);
1422
1423 adptr_addrs = g_malloc(adptr_addrs_len);
1424 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1425 NULL, adptr_addrs, &adptr_addrs_len);
1426 if (ret != ERROR_SUCCESS) {
1427 error_setg_win32(errp, ret, "failed to get adapters addresses");
1428 g_free(adptr_addrs);
1429 adptr_addrs = NULL;
1430 }
1431 return adptr_addrs;
1432 }
1433
1434 static char *guest_wctomb_dup(WCHAR *wstr)
1435 {
1436 char *str;
1437 size_t str_size;
1438
1439 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
1440 /* add 1 to str_size for NULL terminator */
1441 str = g_malloc(str_size + 1);
1442 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL);
1443 return str;
1444 }
1445
1446 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1447 Error **errp)
1448 {
1449 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1450 DWORD len;
1451 int ret;
1452
1453 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1454 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1455 len = sizeof(addr_str);
1456 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1457 ip_addr->Address.iSockaddrLength,
1458 NULL,
1459 addr_str,
1460 &len);
1461 if (ret != 0) {
1462 error_setg_win32(errp, WSAGetLastError(),
1463 "failed address presentation form conversion");
1464 return NULL;
1465 }
1466 return g_strdup(addr_str);
1467 }
1468 return NULL;
1469 }
1470
1471 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1472 {
1473 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1474 * field to obtain the prefix.
1475 */
1476 return ip_addr->OnLinkPrefixLength;
1477 }
1478
1479 #define INTERFACE_PATH_BUF_SZ 512
1480
1481 static DWORD get_interface_index(const char *guid)
1482 {
1483 ULONG index;
1484 DWORD status;
1485 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1486 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1487 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1488 status = GetAdapterIndex (wbuf, &index);
1489 if (status != NO_ERROR) {
1490 return (DWORD)~0;
1491 } else {
1492 return index;
1493 }
1494 }
1495
1496 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1497
1498 static int guest_get_network_stats(const char *name,
1499 GuestNetworkInterfaceStat *stats)
1500 {
1501 OSVERSIONINFO os_ver;
1502
1503 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1504 GetVersionEx(&os_ver);
1505 if (os_ver.dwMajorVersion >= 6) {
1506 MIB_IF_ROW2 a_mid_ifrow;
1507 GetIfEntry2Func getifentry2_ex;
1508 DWORD if_index = 0;
1509 HMODULE module = GetModuleHandle("iphlpapi");
1510 PVOID func = GetProcAddress(module, "GetIfEntry2");
1511
1512 if (func == NULL) {
1513 return -1;
1514 }
1515
1516 getifentry2_ex = (GetIfEntry2Func)func;
1517 if_index = get_interface_index(name);
1518 if (if_index == (DWORD)~0) {
1519 return -1;
1520 }
1521
1522 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1523 a_mid_ifrow.InterfaceIndex = if_index;
1524 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1525 stats->rx_bytes = a_mid_ifrow.InOctets;
1526 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1527 stats->rx_errs = a_mid_ifrow.InErrors;
1528 stats->rx_dropped = a_mid_ifrow.InDiscards;
1529 stats->tx_bytes = a_mid_ifrow.OutOctets;
1530 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1531 stats->tx_errs = a_mid_ifrow.OutErrors;
1532 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1533 return 0;
1534 }
1535 }
1536 return -1;
1537 }
1538
1539 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1540 {
1541 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1542 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1543 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1544 GuestIpAddressList *head_addr, *cur_addr;
1545 GuestNetworkInterfaceList *info;
1546 GuestNetworkInterfaceStat *interface_stat = NULL;
1547 GuestIpAddressList *address_item = NULL;
1548 unsigned char *mac_addr;
1549 char *addr_str;
1550 WORD wsa_version;
1551 WSADATA wsa_data;
1552 int ret;
1553
1554 adptr_addrs = guest_get_adapters_addresses(errp);
1555 if (adptr_addrs == NULL) {
1556 return NULL;
1557 }
1558
1559 /* Make WSA APIs available. */
1560 wsa_version = MAKEWORD(2, 2);
1561 ret = WSAStartup(wsa_version, &wsa_data);
1562 if (ret != 0) {
1563 error_setg_win32(errp, ret, "failed socket startup");
1564 goto out;
1565 }
1566
1567 for (addr = adptr_addrs; addr; addr = addr->Next) {
1568 info = g_malloc0(sizeof(*info));
1569
1570 if (cur_item == NULL) {
1571 head = cur_item = info;
1572 } else {
1573 cur_item->next = info;
1574 cur_item = info;
1575 }
1576
1577 info->value = g_malloc0(sizeof(*info->value));
1578 info->value->name = guest_wctomb_dup(addr->FriendlyName);
1579
1580 if (addr->PhysicalAddressLength != 0) {
1581 mac_addr = addr->PhysicalAddress;
1582
1583 info->value->hardware_address =
1584 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1585 (int) mac_addr[0], (int) mac_addr[1],
1586 (int) mac_addr[2], (int) mac_addr[3],
1587 (int) mac_addr[4], (int) mac_addr[5]);
1588
1589 info->value->has_hardware_address = true;
1590 }
1591
1592 head_addr = NULL;
1593 cur_addr = NULL;
1594 for (ip_addr = addr->FirstUnicastAddress;
1595 ip_addr;
1596 ip_addr = ip_addr->Next) {
1597 addr_str = guest_addr_to_str(ip_addr, errp);
1598 if (addr_str == NULL) {
1599 continue;
1600 }
1601
1602 address_item = g_malloc0(sizeof(*address_item));
1603
1604 if (!cur_addr) {
1605 head_addr = cur_addr = address_item;
1606 } else {
1607 cur_addr->next = address_item;
1608 cur_addr = address_item;
1609 }
1610
1611 address_item->value = g_malloc0(sizeof(*address_item->value));
1612 address_item->value->ip_address = addr_str;
1613 address_item->value->prefix = guest_ip_prefix(ip_addr);
1614 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1615 address_item->value->ip_address_type =
1616 GUEST_IP_ADDRESS_TYPE_IPV4;
1617 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1618 address_item->value->ip_address_type =
1619 GUEST_IP_ADDRESS_TYPE_IPV6;
1620 }
1621 }
1622 if (head_addr) {
1623 info->value->has_ip_addresses = true;
1624 info->value->ip_addresses = head_addr;
1625 }
1626 if (!info->value->has_statistics) {
1627 interface_stat = g_malloc0(sizeof(*interface_stat));
1628 if (guest_get_network_stats(addr->AdapterName,
1629 interface_stat) == -1) {
1630 info->value->has_statistics = false;
1631 g_free(interface_stat);
1632 } else {
1633 info->value->statistics = interface_stat;
1634 info->value->has_statistics = true;
1635 }
1636 }
1637 }
1638 WSACleanup();
1639 out:
1640 g_free(adptr_addrs);
1641 return head;
1642 }
1643
1644 int64_t qmp_guest_get_time(Error **errp)
1645 {
1646 SYSTEMTIME ts = {0};
1647 FILETIME tf;
1648
1649 GetSystemTime(&ts);
1650 if (ts.wYear < 1601 || ts.wYear > 30827) {
1651 error_setg(errp, "Failed to get time");
1652 return -1;
1653 }
1654
1655 if (!SystemTimeToFileTime(&ts, &tf)) {
1656 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1657 return -1;
1658 }
1659
1660 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1661 - W32_FT_OFFSET) * 100;
1662 }
1663
1664 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1665 {
1666 Error *local_err = NULL;
1667 SYSTEMTIME ts;
1668 FILETIME tf;
1669 LONGLONG time;
1670
1671 if (!has_time) {
1672 /* Unfortunately, Windows libraries don't provide an easy way to access
1673 * RTC yet:
1674 *
1675 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1676 *
1677 * Instead, a workaround is to use the Windows win32tm command to
1678 * resync the time using the Windows Time service.
1679 */
1680 LPVOID msg_buffer;
1681 DWORD ret_flags;
1682
1683 HRESULT hr = system("w32tm /resync /nowait");
1684
1685 if (GetLastError() != 0) {
1686 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1687 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1688 } else if (hr != 0) {
1689 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1690 error_setg(errp, "Windows Time service not running on the "
1691 "guest");
1692 } else {
1693 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1694 FORMAT_MESSAGE_FROM_SYSTEM |
1695 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1696 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1697 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1698 NULL)) {
1699 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1700 "t retrieve error message", hr);
1701 } else {
1702 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1703 (LPCTSTR)msg_buffer);
1704 LocalFree(msg_buffer);
1705 }
1706 }
1707 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1708 error_setg(errp, "No internet connection on guest, sync not "
1709 "accurate");
1710 }
1711 return;
1712 }
1713
1714 /* Validate time passed by user. */
1715 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1716 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1717 return;
1718 }
1719
1720 time = time_ns / 100 + W32_FT_OFFSET;
1721
1722 tf.dwLowDateTime = (DWORD) time;
1723 tf.dwHighDateTime = (DWORD) (time >> 32);
1724
1725 if (!FileTimeToSystemTime(&tf, &ts)) {
1726 error_setg(errp, "Failed to convert system time %d",
1727 (int)GetLastError());
1728 return;
1729 }
1730
1731 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1732 if (local_err) {
1733 error_propagate(errp, local_err);
1734 return;
1735 }
1736
1737 if (!SetSystemTime(&ts)) {
1738 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1739 return;
1740 }
1741 }
1742
1743 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1744 {
1745 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1746 DWORD length;
1747 GuestLogicalProcessorList *head, **link;
1748 Error *local_err = NULL;
1749 int64_t current;
1750
1751 ptr = pslpi = NULL;
1752 length = 0;
1753 current = 0;
1754 head = NULL;
1755 link = &head;
1756
1757 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1758 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1759 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1760 ptr = pslpi = g_malloc0(length);
1761 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1762 error_setg(&local_err, "Failed to get processor information: %d",
1763 (int)GetLastError());
1764 }
1765 } else {
1766 error_setg(&local_err,
1767 "Failed to get processor information buffer length: %d",
1768 (int)GetLastError());
1769 }
1770
1771 while ((local_err == NULL) && (length > 0)) {
1772 if (pslpi->Relationship == RelationProcessorCore) {
1773 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1774
1775 while (cpu_bits > 0) {
1776 if (!!(cpu_bits & 1)) {
1777 GuestLogicalProcessor *vcpu;
1778 GuestLogicalProcessorList *entry;
1779
1780 vcpu = g_malloc0(sizeof *vcpu);
1781 vcpu->logical_id = current++;
1782 vcpu->online = true;
1783 vcpu->has_can_offline = true;
1784
1785 entry = g_malloc0(sizeof *entry);
1786 entry->value = vcpu;
1787
1788 *link = entry;
1789 link = &entry->next;
1790 }
1791 cpu_bits >>= 1;
1792 }
1793 }
1794 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1795 pslpi++; /* next entry */
1796 }
1797
1798 g_free(ptr);
1799
1800 if (local_err == NULL) {
1801 if (head != NULL) {
1802 return head;
1803 }
1804 /* there's no guest with zero VCPUs */
1805 error_setg(&local_err, "Guest reported zero VCPUs");
1806 }
1807
1808 qapi_free_GuestLogicalProcessorList(head);
1809 error_propagate(errp, local_err);
1810 return NULL;
1811 }
1812
1813 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1814 {
1815 error_setg(errp, QERR_UNSUPPORTED);
1816 return -1;
1817 }
1818
1819 static gchar *
1820 get_net_error_message(gint error)
1821 {
1822 HMODULE module = NULL;
1823 gchar *retval = NULL;
1824 wchar_t *msg = NULL;
1825 int flags;
1826 size_t nchars;
1827
1828 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1829 FORMAT_MESSAGE_IGNORE_INSERTS |
1830 FORMAT_MESSAGE_FROM_SYSTEM;
1831
1832 if (error >= NERR_BASE && error <= MAX_NERR) {
1833 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1834
1835 if (module != NULL) {
1836 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1837 }
1838 }
1839
1840 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1841
1842 if (msg != NULL) {
1843 nchars = wcslen(msg);
1844
1845 if (nchars >= 2 &&
1846 msg[nchars - 1] == L'\n' &&
1847 msg[nchars - 2] == L'\r') {
1848 msg[nchars - 2] = L'\0';
1849 }
1850
1851 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1852
1853 LocalFree(msg);
1854 }
1855
1856 if (module != NULL) {
1857 FreeLibrary(module);
1858 }
1859
1860 return retval;
1861 }
1862
1863 void qmp_guest_set_user_password(const char *username,
1864 const char *password,
1865 bool crypted,
1866 Error **errp)
1867 {
1868 NET_API_STATUS nas;
1869 char *rawpasswddata = NULL;
1870 size_t rawpasswdlen;
1871 wchar_t *user = NULL, *wpass = NULL;
1872 USER_INFO_1003 pi1003 = { 0, };
1873 GError *gerr = NULL;
1874
1875 if (crypted) {
1876 error_setg(errp, QERR_UNSUPPORTED);
1877 return;
1878 }
1879
1880 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1881 if (!rawpasswddata) {
1882 return;
1883 }
1884 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1885 rawpasswddata[rawpasswdlen] = '\0';
1886
1887 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1888 if (!user) {
1889 goto done;
1890 }
1891
1892 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1893 if (!wpass) {
1894 goto done;
1895 }
1896
1897 pi1003.usri1003_password = wpass;
1898 nas = NetUserSetInfo(NULL, user,
1899 1003, (LPBYTE)&pi1003,
1900 NULL);
1901
1902 if (nas != NERR_Success) {
1903 gchar *msg = get_net_error_message(nas);
1904 error_setg(errp, "failed to set password: %s", msg);
1905 g_free(msg);
1906 }
1907
1908 done:
1909 if (gerr) {
1910 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1911 g_error_free(gerr);
1912 }
1913 g_free(user);
1914 g_free(wpass);
1915 g_free(rawpasswddata);
1916 }
1917
1918 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1919 {
1920 error_setg(errp, QERR_UNSUPPORTED);
1921 return NULL;
1922 }
1923
1924 GuestMemoryBlockResponseList *
1925 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1926 {
1927 error_setg(errp, QERR_UNSUPPORTED);
1928 return NULL;
1929 }
1930
1931 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1932 {
1933 error_setg(errp, QERR_UNSUPPORTED);
1934 return NULL;
1935 }
1936
1937 /* add unsupported commands to the blacklist */
1938 GList *ga_command_blacklist_init(GList *blacklist)
1939 {
1940 const char *list_unsupported[] = {
1941 "guest-suspend-hybrid",
1942 "guest-set-vcpus",
1943 "guest-get-memory-blocks", "guest-set-memory-blocks",
1944 "guest-get-memory-block-size", "guest-get-memory-block-info",
1945 NULL};
1946 char **p = (char **)list_unsupported;
1947
1948 while (*p) {
1949 blacklist = g_list_append(blacklist, g_strdup(*p++));
1950 }
1951
1952 if (!vss_init(true)) {
1953 g_debug("vss_init failed, vss commands are going to be disabled");
1954 const char *list[] = {
1955 "guest-get-fsinfo", "guest-fsfreeze-status",
1956 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1957 p = (char **)list;
1958
1959 while (*p) {
1960 blacklist = g_list_append(blacklist, g_strdup(*p++));
1961 }
1962 }
1963
1964 return blacklist;
1965 }
1966
1967 /* register init/cleanup routines for stateful command groups */
1968 void ga_command_state_init(GAState *s, GACommandState *cs)
1969 {
1970 if (!vss_initialized()) {
1971 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1972 }
1973 }
1974
1975 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
1976 typedef struct _GA_WTSINFOA {
1977 WTS_CONNECTSTATE_CLASS State;
1978 DWORD SessionId;
1979 DWORD IncomingBytes;
1980 DWORD OutgoingBytes;
1981 DWORD IncomingFrames;
1982 DWORD OutgoingFrames;
1983 DWORD IncomingCompressedBytes;
1984 DWORD OutgoingCompressedBy;
1985 CHAR WinStationName[WINSTATIONNAME_LENGTH];
1986 CHAR Domain[DOMAIN_LENGTH];
1987 CHAR UserName[USERNAME_LENGTH + 1];
1988 LARGE_INTEGER ConnectTime;
1989 LARGE_INTEGER DisconnectTime;
1990 LARGE_INTEGER LastInputTime;
1991 LARGE_INTEGER LogonTime;
1992 LARGE_INTEGER CurrentTime;
1993
1994 } GA_WTSINFOA;
1995
1996 GuestUserList *qmp_guest_get_users(Error **errp)
1997 {
1998 #define QGA_NANOSECONDS 10000000
1999
2000 GHashTable *cache = NULL;
2001 GuestUserList *head = NULL, *cur_item = NULL;
2002
2003 DWORD buffer_size = 0, count = 0, i = 0;
2004 GA_WTSINFOA *info = NULL;
2005 WTS_SESSION_INFOA *entries = NULL;
2006 GuestUserList *item = NULL;
2007 GuestUser *user = NULL;
2008 gpointer value = NULL;
2009 INT64 login = 0;
2010 double login_time = 0;
2011
2012 cache = g_hash_table_new(g_str_hash, g_str_equal);
2013
2014 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
2015 for (i = 0; i < count; ++i) {
2016 buffer_size = 0;
2017 info = NULL;
2018 if (WTSQuerySessionInformationA(
2019 NULL,
2020 entries[i].SessionId,
2021 WTSSessionInfo,
2022 (LPSTR *)&info,
2023 &buffer_size
2024 )) {
2025
2026 if (strlen(info->UserName) == 0) {
2027 WTSFreeMemory(info);
2028 continue;
2029 }
2030
2031 login = info->LogonTime.QuadPart;
2032 login -= W32_FT_OFFSET;
2033 login_time = ((double)login) / QGA_NANOSECONDS;
2034
2035 if (g_hash_table_contains(cache, info->UserName)) {
2036 value = g_hash_table_lookup(cache, info->UserName);
2037 user = (GuestUser *)value;
2038 if (user->login_time > login_time) {
2039 user->login_time = login_time;
2040 }
2041 } else {
2042 item = g_new0(GuestUserList, 1);
2043 item->value = g_new0(GuestUser, 1);
2044
2045 item->value->user = g_strdup(info->UserName);
2046 item->value->domain = g_strdup(info->Domain);
2047 item->value->has_domain = true;
2048
2049 item->value->login_time = login_time;
2050
2051 g_hash_table_add(cache, item->value->user);
2052
2053 if (!cur_item) {
2054 head = cur_item = item;
2055 } else {
2056 cur_item->next = item;
2057 cur_item = item;
2058 }
2059 }
2060 }
2061 WTSFreeMemory(info);
2062 }
2063 WTSFreeMemory(entries);
2064 }
2065 g_hash_table_destroy(cache);
2066 return head;
2067 }
2068
2069 typedef struct _ga_matrix_lookup_t {
2070 int major;
2071 int minor;
2072 char const *version;
2073 char const *version_id;
2074 } ga_matrix_lookup_t;
2075
2076 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
2077 {
2078 /* Desktop editions */
2079 { 5, 0, "Microsoft Windows 2000", "2000"},
2080 { 5, 1, "Microsoft Windows XP", "xp"},
2081 { 6, 0, "Microsoft Windows Vista", "vista"},
2082 { 6, 1, "Microsoft Windows 7" "7"},
2083 { 6, 2, "Microsoft Windows 8", "8"},
2084 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2085 {10, 0, "Microsoft Windows 10", "10"},
2086 { 0, 0, 0}
2087 },{
2088 /* Server editions */
2089 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2090 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2091 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2092 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2093 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2094 { 0, 0, 0},
2095 { 0, 0, 0},
2096 { 0, 0, 0}
2097 }
2098 };
2099
2100 typedef struct _ga_win_10_0_server_t {
2101 int final_build;
2102 char const *version;
2103 char const *version_id;
2104 } ga_win_10_0_server_t;
2105
2106 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = {
2107 {14393, "Microsoft Windows Server 2016", "2016"},
2108 {17763, "Microsoft Windows Server 2019", "2019"},
2109 {0, 0}
2110 };
2111
2112 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2113 {
2114 typedef NTSTATUS(WINAPI * rtl_get_version_t)(
2115 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2116
2117 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2118
2119 HMODULE module = GetModuleHandle("ntdll");
2120 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2121 if (fun == NULL) {
2122 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2123 "Failed to get address of RtlGetVersion");
2124 return;
2125 }
2126
2127 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2128 rtl_get_version(info);
2129 return;
2130 }
2131
2132 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2133 {
2134 DWORD major = os_version->dwMajorVersion;
2135 DWORD minor = os_version->dwMinorVersion;
2136 DWORD build = os_version->dwBuildNumber;
2137 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2138 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2139 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX;
2140 while (table->version != NULL) {
2141 if (major == 10 && minor == 0 && tbl_idx) {
2142 while (win_10_0_table->version != NULL) {
2143 if (build <= win_10_0_table->final_build) {
2144 if (id) {
2145 return g_strdup(win_10_0_table->version_id);
2146 } else {
2147 return g_strdup(win_10_0_table->version);
2148 }
2149 }
2150 win_10_0_table++;
2151 }
2152 } else if (major == table->major && minor == table->minor) {
2153 if (id) {
2154 return g_strdup(table->version_id);
2155 } else {
2156 return g_strdup(table->version);
2157 }
2158 }
2159 ++table;
2160 }
2161 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2162 major, minor);
2163 return g_strdup("N/A");
2164 }
2165
2166 static char *ga_get_win_product_name(Error **errp)
2167 {
2168 HKEY key = NULL;
2169 DWORD size = 128;
2170 char *result = g_malloc0(size);
2171 LONG err = ERROR_SUCCESS;
2172
2173 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2174 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2175 &key);
2176 if (err != ERROR_SUCCESS) {
2177 error_setg_win32(errp, err, "failed to open registry key");
2178 goto fail;
2179 }
2180
2181 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2182 (LPBYTE)result, &size);
2183 if (err == ERROR_MORE_DATA) {
2184 slog("ProductName longer than expected (%lu bytes), retrying",
2185 size);
2186 g_free(result);
2187 result = NULL;
2188 if (size > 0) {
2189 result = g_malloc0(size);
2190 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2191 (LPBYTE)result, &size);
2192 }
2193 }
2194 if (err != ERROR_SUCCESS) {
2195 error_setg_win32(errp, err, "failed to retrive ProductName");
2196 goto fail;
2197 }
2198
2199 return result;
2200
2201 fail:
2202 g_free(result);
2203 return NULL;
2204 }
2205
2206 static char *ga_get_current_arch(void)
2207 {
2208 SYSTEM_INFO info;
2209 GetNativeSystemInfo(&info);
2210 char *result = NULL;
2211 switch (info.wProcessorArchitecture) {
2212 case PROCESSOR_ARCHITECTURE_AMD64:
2213 result = g_strdup("x86_64");
2214 break;
2215 case PROCESSOR_ARCHITECTURE_ARM:
2216 result = g_strdup("arm");
2217 break;
2218 case PROCESSOR_ARCHITECTURE_IA64:
2219 result = g_strdup("ia64");
2220 break;
2221 case PROCESSOR_ARCHITECTURE_INTEL:
2222 result = g_strdup("x86");
2223 break;
2224 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2225 default:
2226 slog("unknown processor architecture 0x%0x",
2227 info.wProcessorArchitecture);
2228 result = g_strdup("unknown");
2229 break;
2230 }
2231 return result;
2232 }
2233
2234 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2235 {
2236 Error *local_err = NULL;
2237 OSVERSIONINFOEXW os_version = {0};
2238 bool server;
2239 char *product_name;
2240 GuestOSInfo *info;
2241
2242 ga_get_win_version(&os_version, &local_err);
2243 if (local_err) {
2244 error_propagate(errp, local_err);
2245 return NULL;
2246 }
2247
2248 server = os_version.wProductType != VER_NT_WORKSTATION;
2249 product_name = ga_get_win_product_name(errp);
2250 if (product_name == NULL) {
2251 return NULL;
2252 }
2253
2254 info = g_new0(GuestOSInfo, 1);
2255
2256 info->has_kernel_version = true;
2257 info->kernel_version = g_strdup_printf("%lu.%lu",
2258 os_version.dwMajorVersion,
2259 os_version.dwMinorVersion);
2260 info->has_kernel_release = true;
2261 info->kernel_release = g_strdup_printf("%lu",
2262 os_version.dwBuildNumber);
2263 info->has_machine = true;
2264 info->machine = ga_get_current_arch();
2265
2266 info->has_id = true;
2267 info->id = g_strdup("mswindows");
2268 info->has_name = true;
2269 info->name = g_strdup("Microsoft Windows");
2270 info->has_pretty_name = true;
2271 info->pretty_name = product_name;
2272 info->has_version = true;
2273 info->version = ga_get_win_name(&os_version, false);
2274 info->has_version_id = true;
2275 info->version_id = ga_get_win_name(&os_version, true);
2276 info->has_variant = true;
2277 info->variant = g_strdup(server ? "server" : "client");
2278 info->has_variant_id = true;
2279 info->variant_id = g_strdup(server ? "server" : "client");
2280
2281 return info;
2282 }
2283
2284 /*
2285 * Safely get device property. Returned strings are using wide characters.
2286 * Caller is responsible for freeing the buffer.
2287 */
2288 static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName,
2289 PDEVPROPTYPE propType)
2290 {
2291 CONFIGRET cr;
2292 g_autofree LPBYTE buffer = NULL;
2293 ULONG buffer_len = 0;
2294
2295 /* First query for needed space */
2296 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2297 buffer, &buffer_len, 0);
2298 if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) {
2299
2300 slog("failed to get property size, error=0x%lx", cr);
2301 return NULL;
2302 }
2303 buffer = g_new0(BYTE, buffer_len + 1);
2304 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2305 buffer, &buffer_len, 0);
2306 if (cr != CR_SUCCESS) {
2307 slog("failed to get device property, error=0x%lx", cr);
2308 return NULL;
2309 }
2310 return g_steal_pointer(&buffer);
2311 }
2312
2313 static GStrv ga_get_hardware_ids(DEVINST devInstance)
2314 {
2315 GArray *values = NULL;
2316 DEVPROPTYPE cm_type;
2317 LPWSTR id;
2318 g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance,
2319 &qga_DEVPKEY_Device_HardwareIds, &cm_type);
2320 if (property == NULL) {
2321 slog("failed to get hardware IDs");
2322 return NULL;
2323 }
2324 if (*property == '\0') {
2325 /* empty list */
2326 return NULL;
2327 }
2328 values = g_array_new(TRUE, TRUE, sizeof(gchar *));
2329 for (id = property; '\0' != *id; id += lstrlenW(id) + 1) {
2330 gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL);
2331 g_array_append_val(values, id8);
2332 }
2333 return (GStrv)g_array_free(values, FALSE);
2334 }
2335
2336 /*
2337 * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
2338 */
2339 #define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)"
2340
2341 GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
2342 {
2343 GuestDeviceInfoList *head = NULL, *cur_item = NULL, *item = NULL;
2344 HDEVINFO dev_info = INVALID_HANDLE_VALUE;
2345 SP_DEVINFO_DATA dev_info_data;
2346 int i, j;
2347 GError *gerr = NULL;
2348 g_autoptr(GRegex) device_pci_re = NULL;
2349 DEVPROPTYPE cm_type;
2350
2351 device_pci_re = g_regex_new(DEVICE_PCI_RE,
2352 G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0,
2353 &gerr);
2354 g_assert(device_pci_re != NULL);
2355
2356 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
2357 dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES);
2358 if (dev_info == INVALID_HANDLE_VALUE) {
2359 error_setg(errp, "failed to get device tree");
2360 return NULL;
2361 }
2362
2363 slog("enumerating devices");
2364 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
2365 bool skip = true;
2366 SYSTEMTIME utc_date;
2367 g_autofree LPWSTR name = NULL;
2368 g_autofree LPFILETIME date = NULL;
2369 g_autofree LPWSTR version = NULL;
2370 g_auto(GStrv) hw_ids = NULL;
2371 g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1);
2372 g_autofree char *vendor_id = NULL;
2373 g_autofree char *device_id = NULL;
2374
2375 name = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2376 &qga_DEVPKEY_NAME, &cm_type);
2377 if (name == NULL) {
2378 slog("failed to get device description");
2379 continue;
2380 }
2381 device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL);
2382 if (device->driver_name == NULL) {
2383 error_setg(errp, "conversion to utf8 failed (driver name)");
2384 continue;
2385 }
2386 slog("querying device: %s", device->driver_name);
2387 hw_ids = ga_get_hardware_ids(dev_info_data.DevInst);
2388 if (hw_ids == NULL) {
2389 continue;
2390 }
2391 for (j = 0; hw_ids[j] != NULL; j++) {
2392 GMatchInfo *match_info;
2393 GuestDeviceAddressPCI *address;
2394 if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) {
2395 continue;
2396 }
2397 skip = false;
2398
2399 address = g_new0(GuestDeviceAddressPCI, 1);
2400 vendor_id = g_match_info_fetch(match_info, 1);
2401 device_id = g_match_info_fetch(match_info, 2);
2402 address->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16);
2403 address->device_id = g_ascii_strtoull(device_id, NULL, 16);
2404
2405 device->address = g_new0(GuestDeviceAddress, 1);
2406 device->has_address = true;
2407 device->address->type = GUEST_DEVICE_ADDRESS_KIND_PCI;
2408 device->address->u.pci.data = address;
2409
2410 g_match_info_free(match_info);
2411 break;
2412 }
2413 if (skip) {
2414 continue;
2415 }
2416
2417 version = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2418 &qga_DEVPKEY_Device_DriverVersion, &cm_type);
2419 if (version == NULL) {
2420 slog("failed to get driver version");
2421 continue;
2422 }
2423 device->driver_version = g_utf16_to_utf8(version, -1, NULL,
2424 NULL, NULL);
2425 if (device->driver_version == NULL) {
2426 error_setg(errp, "conversion to utf8 failed (driver version)");
2427 continue;
2428 }
2429 device->has_driver_version = true;
2430
2431 date = (LPFILETIME)cm_get_property(dev_info_data.DevInst,
2432 &qga_DEVPKEY_Device_DriverDate, &cm_type);
2433 if (date == NULL) {
2434 slog("failed to get driver date");
2435 continue;
2436 }
2437 FileTimeToSystemTime(date, &utc_date);
2438 device->driver_date = g_strdup_printf("%04d-%02d-%02d",
2439 utc_date.wYear, utc_date.wMonth, utc_date.wDay);
2440 device->has_driver_date = true;
2441
2442 slog("driver: %s\ndriver version: %s,%s\n", device->driver_name,
2443 device->driver_date, device->driver_version);
2444 item = g_new0(GuestDeviceInfoList, 1);
2445 item->value = g_steal_pointer(&device);
2446 if (!cur_item) {
2447 head = cur_item = item;
2448 } else {
2449 cur_item->next = item;
2450 cur_item = item;
2451 }
2452 continue;
2453 }
2454
2455 if (dev_info != INVALID_HANDLE_VALUE) {
2456 SetupDiDestroyDeviceInfoList(dev_info);
2457 }
2458 return head;
2459 }