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