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