1 /* 2 * QEMU Guest Agent win32-specific command implementations 3 * 4 * Copyright IBM Corp. 2012 5 * 6 * Authors: 7 * Michael Roth <mdroth@linux.vnet.ibm.com> 8 * Gal Hammer <ghammer@redhat.com> 9 * 10 * This work is licensed under the terms of the GNU GPL, version 2 or later. 11 * See the COPYING file in the top-level directory. 12 */ 13 #include "qemu/osdep.h" 14 15 #include <wtypes.h> 16 #include <powrprof.h> 17 #include <winsock2.h> 18 #include <ws2tcpip.h> 19 #include <iptypes.h> 20 #include <iphlpapi.h> 21 #ifdef CONFIG_QGA_NTDDSCSI 22 #include <winioctl.h> 23 #include <ntddscsi.h> 24 #include <setupapi.h> 25 #include <cfgmgr32.h> 26 #include <initguid.h> 27 #endif 28 #include <lm.h> 29 #include <wtsapi32.h> 30 #include <wininet.h> 31 32 #include "guest-agent-core.h" 33 #include "vss-win32.h" 34 #include "qga-qapi-commands.h" 35 #include "qapi/error.h" 36 #include "qapi/qmp/qerror.h" 37 #include "qemu/queue.h" 38 #include "qemu/host-utils.h" 39 #include "qemu/base64.h" 40 41 #ifndef SHTDN_REASON_FLAG_PLANNED 42 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 43 #endif 44 45 /* multiple of 100 nanoseconds elapsed between windows baseline 46 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 47 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 48 (365 * (1970 - 1601) + \ 49 (1970 - 1601) / 4 - 3)) 50 51 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 52 53 typedef struct GuestFileHandle { 54 int64_t id; 55 HANDLE fh; 56 QTAILQ_ENTRY(GuestFileHandle) next; 57 } GuestFileHandle; 58 59 static struct { 60 QTAILQ_HEAD(, GuestFileHandle) filehandles; 61 } guest_file_state = { 62 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 63 }; 64 65 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 66 67 typedef struct OpenFlags { 68 const char *forms; 69 DWORD desired_access; 70 DWORD creation_disposition; 71 } OpenFlags; 72 static OpenFlags guest_file_open_modes[] = { 73 {"r", GENERIC_READ, OPEN_EXISTING}, 74 {"rb", GENERIC_READ, OPEN_EXISTING}, 75 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 76 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 77 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 78 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 79 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 80 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 81 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 82 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 83 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 84 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 85 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 86 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 87 }; 88 89 #define debug_error(msg) do { \ 90 char *suffix = g_win32_error_message(GetLastError()); \ 91 g_debug("%s: %s", (msg), suffix); \ 92 g_free(suffix); \ 93 } while (0) 94 95 static OpenFlags *find_open_flag(const char *mode_str) 96 { 97 int mode; 98 Error **errp = NULL; 99 100 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 101 OpenFlags *flags = guest_file_open_modes + mode; 102 103 if (strcmp(flags->forms, mode_str) == 0) { 104 return flags; 105 } 106 } 107 108 error_setg(errp, "invalid file open mode '%s'", mode_str); 109 return NULL; 110 } 111 112 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 113 { 114 GuestFileHandle *gfh; 115 int64_t handle; 116 117 handle = ga_get_fd_handle(ga_state, errp); 118 if (handle < 0) { 119 return -1; 120 } 121 gfh = g_new0(GuestFileHandle, 1); 122 gfh->id = handle; 123 gfh->fh = fh; 124 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 125 126 return handle; 127 } 128 129 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 130 { 131 GuestFileHandle *gfh; 132 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 133 if (gfh->id == id) { 134 return gfh; 135 } 136 } 137 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 138 return NULL; 139 } 140 141 static void handle_set_nonblocking(HANDLE fh) 142 { 143 DWORD file_type, pipe_state; 144 file_type = GetFileType(fh); 145 if (file_type != FILE_TYPE_PIPE) { 146 return; 147 } 148 /* If file_type == FILE_TYPE_PIPE, according to MSDN 149 * the specified file is socket or named pipe */ 150 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 151 NULL, NULL, NULL, 0)) { 152 return; 153 } 154 /* The fd is named pipe fd */ 155 if (pipe_state & PIPE_NOWAIT) { 156 return; 157 } 158 159 pipe_state |= PIPE_NOWAIT; 160 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 161 } 162 163 int64_t qmp_guest_file_open(const char *path, bool has_mode, 164 const char *mode, Error **errp) 165 { 166 int64_t fd = -1; 167 HANDLE fh; 168 HANDLE templ_file = NULL; 169 DWORD share_mode = FILE_SHARE_READ; 170 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 171 LPSECURITY_ATTRIBUTES sa_attr = NULL; 172 OpenFlags *guest_flags; 173 GError *gerr = NULL; 174 wchar_t *w_path = NULL; 175 176 if (!has_mode) { 177 mode = "r"; 178 } 179 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 180 guest_flags = find_open_flag(mode); 181 if (guest_flags == NULL) { 182 error_setg(errp, "invalid file open mode"); 183 goto done; 184 } 185 186 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr); 187 if (!w_path) { 188 goto done; 189 } 190 191 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr, 192 guest_flags->creation_disposition, flags_and_attr, 193 templ_file); 194 if (fh == INVALID_HANDLE_VALUE) { 195 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 196 path); 197 goto done; 198 } 199 200 /* set fd non-blocking to avoid common use cases (like reading from a 201 * named pipe) from hanging the agent 202 */ 203 handle_set_nonblocking(fh); 204 205 fd = guest_file_handle_add(fh, errp); 206 if (fd < 0) { 207 CloseHandle(fh); 208 error_setg(errp, "failed to add handle to qmp handle table"); 209 goto done; 210 } 211 212 slog("guest-file-open, handle: % " PRId64, fd); 213 214 done: 215 if (gerr) { 216 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 217 g_error_free(gerr); 218 } 219 g_free(w_path); 220 return fd; 221 } 222 223 void qmp_guest_file_close(int64_t handle, Error **errp) 224 { 225 bool ret; 226 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 227 slog("guest-file-close called, handle: %" PRId64, handle); 228 if (gfh == NULL) { 229 return; 230 } 231 ret = CloseHandle(gfh->fh); 232 if (!ret) { 233 error_setg_win32(errp, GetLastError(), "failed close handle"); 234 return; 235 } 236 237 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 238 g_free(gfh); 239 } 240 241 static void acquire_privilege(const char *name, Error **errp) 242 { 243 HANDLE token = NULL; 244 TOKEN_PRIVILEGES priv; 245 Error *local_err = NULL; 246 247 if (OpenProcessToken(GetCurrentProcess(), 248 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 249 { 250 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 251 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 252 "no luid for requested privilege"); 253 goto out; 254 } 255 256 priv.PrivilegeCount = 1; 257 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 258 259 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 260 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 261 "unable to acquire requested privilege"); 262 goto out; 263 } 264 265 } else { 266 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 267 "failed to open privilege token"); 268 } 269 270 out: 271 if (token) { 272 CloseHandle(token); 273 } 274 error_propagate(errp, local_err); 275 } 276 277 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 278 Error **errp) 279 { 280 Error *local_err = NULL; 281 282 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 283 if (!thread) { 284 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 285 "failed to dispatch asynchronous command"); 286 error_propagate(errp, local_err); 287 } 288 } 289 290 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 291 { 292 Error *local_err = NULL; 293 UINT shutdown_flag = EWX_FORCE; 294 295 slog("guest-shutdown called, mode: %s", mode); 296 297 if (!has_mode || strcmp(mode, "powerdown") == 0) { 298 shutdown_flag |= EWX_POWEROFF; 299 } else if (strcmp(mode, "halt") == 0) { 300 shutdown_flag |= EWX_SHUTDOWN; 301 } else if (strcmp(mode, "reboot") == 0) { 302 shutdown_flag |= EWX_REBOOT; 303 } else { 304 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 305 "halt|powerdown|reboot"); 306 return; 307 } 308 309 /* Request a shutdown privilege, but try to shut down the system 310 anyway. */ 311 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 312 if (local_err) { 313 error_propagate(errp, local_err); 314 return; 315 } 316 317 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 318 slog("guest-shutdown failed: %lu", GetLastError()); 319 error_setg(errp, QERR_UNDEFINED_ERROR); 320 } 321 } 322 323 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 324 int64_t count, Error **errp) 325 { 326 GuestFileRead *read_data = NULL; 327 guchar *buf; 328 HANDLE fh; 329 bool is_ok; 330 DWORD read_count; 331 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 332 333 if (!gfh) { 334 return NULL; 335 } 336 if (!has_count) { 337 count = QGA_READ_COUNT_DEFAULT; 338 } else if (count < 0 || count >= UINT32_MAX) { 339 error_setg(errp, "value '%" PRId64 340 "' is invalid for argument count", count); 341 return NULL; 342 } 343 344 fh = gfh->fh; 345 buf = g_malloc0(count+1); 346 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 347 if (!is_ok) { 348 error_setg_win32(errp, GetLastError(), "failed to read file"); 349 slog("guest-file-read failed, handle %" PRId64, handle); 350 } else { 351 buf[read_count] = 0; 352 read_data = g_new0(GuestFileRead, 1); 353 read_data->count = (size_t)read_count; 354 read_data->eof = read_count == 0; 355 356 if (read_count != 0) { 357 read_data->buf_b64 = g_base64_encode(buf, read_count); 358 } 359 } 360 g_free(buf); 361 362 return read_data; 363 } 364 365 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 366 bool has_count, int64_t count, 367 Error **errp) 368 { 369 GuestFileWrite *write_data = NULL; 370 guchar *buf; 371 gsize buf_len; 372 bool is_ok; 373 DWORD write_count; 374 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 375 HANDLE fh; 376 377 if (!gfh) { 378 return NULL; 379 } 380 fh = gfh->fh; 381 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 382 if (!buf) { 383 return NULL; 384 } 385 386 if (!has_count) { 387 count = buf_len; 388 } else if (count < 0 || count > buf_len) { 389 error_setg(errp, "value '%" PRId64 390 "' is invalid for argument count", count); 391 goto done; 392 } 393 394 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 395 if (!is_ok) { 396 error_setg_win32(errp, GetLastError(), "failed to write to file"); 397 slog("guest-file-write-failed, handle: %" PRId64, handle); 398 } else { 399 write_data = g_new0(GuestFileWrite, 1); 400 write_data->count = (size_t) write_count; 401 } 402 403 done: 404 g_free(buf); 405 return write_data; 406 } 407 408 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 409 GuestFileWhence *whence_code, 410 Error **errp) 411 { 412 GuestFileHandle *gfh; 413 GuestFileSeek *seek_data; 414 HANDLE fh; 415 LARGE_INTEGER new_pos, off_pos; 416 off_pos.QuadPart = offset; 417 BOOL res; 418 int whence; 419 Error *err = NULL; 420 421 gfh = guest_file_handle_find(handle, errp); 422 if (!gfh) { 423 return NULL; 424 } 425 426 /* We stupidly exposed 'whence':'int' in our qapi */ 427 whence = ga_parse_whence(whence_code, &err); 428 if (err) { 429 error_propagate(errp, err); 430 return NULL; 431 } 432 433 fh = gfh->fh; 434 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 435 if (!res) { 436 error_setg_win32(errp, GetLastError(), "failed to seek file"); 437 return NULL; 438 } 439 seek_data = g_new0(GuestFileSeek, 1); 440 seek_data->position = new_pos.QuadPart; 441 return seek_data; 442 } 443 444 void qmp_guest_file_flush(int64_t handle, Error **errp) 445 { 446 HANDLE fh; 447 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 448 if (!gfh) { 449 return; 450 } 451 452 fh = gfh->fh; 453 if (!FlushFileBuffers(fh)) { 454 error_setg_win32(errp, GetLastError(), "failed to flush file"); 455 } 456 } 457 458 #ifdef CONFIG_QGA_NTDDSCSI 459 460 static GuestDiskBusType win2qemu[] = { 461 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 462 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 463 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 464 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 465 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 466 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 467 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 468 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 469 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 470 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 471 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 472 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 473 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 474 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 475 #if (_WIN32_WINNT >= 0x0601) 476 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 477 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 478 #endif 479 }; 480 481 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 482 { 483 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) { 484 return GUEST_DISK_BUS_TYPE_UNKNOWN; 485 } 486 return win2qemu[(int)bus]; 487 } 488 489 DEFINE_GUID(GUID_DEVINTERFACE_DISK, 490 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, 491 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 492 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT, 493 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82, 494 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 495 496 static GuestPCIAddress *get_pci_info(int number, Error **errp) 497 { 498 HDEVINFO dev_info; 499 SP_DEVINFO_DATA dev_info_data; 500 SP_DEVICE_INTERFACE_DATA dev_iface_data; 501 HANDLE dev_file; 502 int i; 503 GuestPCIAddress *pci = NULL; 504 bool partial_pci = false; 505 506 pci = g_malloc0(sizeof(*pci)); 507 pci->domain = -1; 508 pci->slot = -1; 509 pci->function = -1; 510 pci->bus = -1; 511 512 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, 513 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 514 if (dev_info == INVALID_HANDLE_VALUE) { 515 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 516 goto out; 517 } 518 519 g_debug("enumerating devices"); 520 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 521 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); 522 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 523 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL; 524 STORAGE_DEVICE_NUMBER sdn; 525 char *parent_dev_id = NULL; 526 HDEVINFO parent_dev_info; 527 SP_DEVINFO_DATA parent_dev_info_data; 528 DWORD j; 529 DWORD size = 0; 530 531 g_debug("getting device path"); 532 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data, 533 &GUID_DEVINTERFACE_DISK, 0, 534 &dev_iface_data)) { 535 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data, 536 pdev_iface_detail_data, 537 size, &size, 538 &dev_info_data)) { 539 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 540 pdev_iface_detail_data = g_malloc(size); 541 pdev_iface_detail_data->cbSize = 542 sizeof(*pdev_iface_detail_data); 543 } else { 544 error_setg_win32(errp, GetLastError(), 545 "failed to get device interfaces"); 546 goto free_dev_info; 547 } 548 } 549 550 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0, 551 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 552 NULL); 553 g_free(pdev_iface_detail_data); 554 555 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER, 556 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) { 557 CloseHandle(dev_file); 558 error_setg_win32(errp, GetLastError(), 559 "failed to get device slot number"); 560 goto free_dev_info; 561 } 562 563 CloseHandle(dev_file); 564 if (sdn.DeviceNumber != number) { 565 continue; 566 } 567 } else { 568 error_setg_win32(errp, GetLastError(), 569 "failed to get device interfaces"); 570 goto free_dev_info; 571 } 572 573 g_debug("found device slot %d. Getting storage controller", number); 574 { 575 CONFIGRET cr; 576 DEVINST dev_inst, parent_dev_inst; 577 ULONG dev_id_size = 0; 578 579 size = 0; 580 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data, 581 parent_dev_id, size, &size)) { 582 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 583 parent_dev_id = g_malloc(size); 584 } else { 585 error_setg_win32(errp, GetLastError(), 586 "failed to get device instance ID"); 587 goto out; 588 } 589 } 590 591 /* 592 * CM API used here as opposed to 593 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...) 594 * which exports are only available in mingw-w64 6+ 595 */ 596 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0); 597 if (cr != CR_SUCCESS) { 598 g_error("CM_Locate_DevInst failed with code %lx", cr); 599 error_setg_win32(errp, GetLastError(), 600 "failed to get device instance"); 601 goto out; 602 } 603 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0); 604 if (cr != CR_SUCCESS) { 605 g_error("CM_Get_Parent failed with code %lx", cr); 606 error_setg_win32(errp, GetLastError(), 607 "failed to get parent device instance"); 608 goto out; 609 } 610 611 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0); 612 if (cr != CR_SUCCESS) { 613 g_error("CM_Get_Device_ID_Size failed with code %lx", cr); 614 error_setg_win32(errp, GetLastError(), 615 "failed to get parent device ID length"); 616 goto out; 617 } 618 619 ++dev_id_size; 620 if (dev_id_size > size) { 621 g_free(parent_dev_id); 622 parent_dev_id = g_malloc(dev_id_size); 623 } 624 625 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size, 626 0); 627 if (cr != CR_SUCCESS) { 628 g_error("CM_Get_Device_ID failed with code %lx", cr); 629 error_setg_win32(errp, GetLastError(), 630 "failed to get parent device ID"); 631 goto out; 632 } 633 } 634 635 g_debug("querying storage controller %s for PCI information", 636 parent_dev_id); 637 parent_dev_info = 638 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id, 639 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 640 g_free(parent_dev_id); 641 642 if (parent_dev_info == INVALID_HANDLE_VALUE) { 643 error_setg_win32(errp, GetLastError(), 644 "failed to get parent device"); 645 goto out; 646 } 647 648 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 649 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) { 650 error_setg_win32(errp, GetLastError(), 651 "failed to get parent device data"); 652 goto out; 653 } 654 655 for (j = 0; 656 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data); 657 j++) { 658 DWORD addr, bus, ui_slot, type; 659 int func, slot; 660 661 /* 662 * There is no need to allocate buffer in the next functions. The 663 * size is known and ULONG according to 664 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 665 */ 666 if (!SetupDiGetDeviceRegistryProperty( 667 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER, 668 &type, (PBYTE)&bus, size, NULL)) { 669 debug_error("failed to get PCI bus"); 670 bus = -1; 671 partial_pci = true; 672 } 673 674 /* 675 * The function retrieves the device's address. This value will be 676 * transformed into device function and number 677 */ 678 if (!SetupDiGetDeviceRegistryProperty( 679 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS, 680 &type, (PBYTE)&addr, size, NULL)) { 681 debug_error("failed to get PCI address"); 682 addr = -1; 683 partial_pci = true; 684 } 685 686 /* 687 * This call returns UINumber of DEVICE_CAPABILITIES structure. 688 * This number is typically a user-perceived slot number. 689 */ 690 if (!SetupDiGetDeviceRegistryProperty( 691 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER, 692 &type, (PBYTE)&ui_slot, size, NULL)) { 693 debug_error("failed to get PCI slot"); 694 ui_slot = -1; 695 partial_pci = true; 696 } 697 698 /* 699 * SetupApi gives us the same information as driver with 700 * IoGetDeviceProperty. According to Microsoft: 701 * 702 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF) 703 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF) 704 * SPDRP_ADDRESS is propertyAddress, so we do the same. 705 * 706 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya 707 */ 708 if (partial_pci) { 709 pci->domain = -1; 710 pci->slot = -1; 711 pci->function = -1; 712 pci->bus = -1; 713 continue; 714 } else { 715 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF; 716 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF; 717 if ((int)ui_slot != slot) { 718 g_debug("mismatch with reported slot values: %d vs %d", 719 (int)ui_slot, slot); 720 } 721 pci->domain = 0; 722 pci->slot = (int)ui_slot; 723 pci->function = func; 724 pci->bus = (int)bus; 725 break; 726 } 727 } 728 SetupDiDestroyDeviceInfoList(parent_dev_info); 729 break; 730 } 731 732 free_dev_info: 733 SetupDiDestroyDeviceInfoList(dev_info); 734 out: 735 return pci; 736 } 737 738 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk, 739 Error **errp) 740 { 741 STORAGE_PROPERTY_QUERY query; 742 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 743 DWORD received; 744 ULONG size = sizeof(buf); 745 746 dev_desc = &buf; 747 query.PropertyId = StorageDeviceProperty; 748 query.QueryType = PropertyStandardQuery; 749 750 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 751 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 752 size, &received, NULL)) { 753 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 754 return; 755 } 756 disk->bus_type = find_bus_type(dev_desc->BusType); 757 g_debug("bus type %d", disk->bus_type); 758 759 /* Query once more. Now with long enough buffer. */ 760 size = dev_desc->Size; 761 dev_desc = g_malloc0(size); 762 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 763 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 764 size, &received, NULL)) { 765 error_setg_win32(errp, GetLastError(), "failed to get serial number"); 766 g_debug("failed to get serial number"); 767 goto out_free; 768 } 769 if (dev_desc->SerialNumberOffset > 0) { 770 const char *serial; 771 size_t len; 772 773 if (dev_desc->SerialNumberOffset >= received) { 774 error_setg(errp, "failed to get serial number: offset outside the buffer"); 775 g_debug("serial number offset outside the buffer"); 776 goto out_free; 777 } 778 serial = (char *)dev_desc + dev_desc->SerialNumberOffset; 779 len = received - dev_desc->SerialNumberOffset; 780 g_debug("serial number \"%s\"", serial); 781 if (*serial != 0) { 782 disk->serial = g_strndup(serial, len); 783 disk->has_serial = true; 784 } 785 } 786 out_free: 787 g_free(dev_desc); 788 789 return; 790 } 791 792 static void get_single_disk_info(int disk_number, 793 GuestDiskAddress *disk, Error **errp) 794 { 795 SCSI_ADDRESS addr, *scsi_ad; 796 DWORD len; 797 HANDLE disk_h; 798 Error *local_err = NULL; 799 800 scsi_ad = &addr; 801 802 g_debug("getting disk info for: %s", disk->dev); 803 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 804 0, NULL); 805 if (disk_h == INVALID_HANDLE_VALUE) { 806 error_setg_win32(errp, GetLastError(), "failed to open disk"); 807 return; 808 } 809 810 get_disk_properties(disk_h, disk, &local_err); 811 if (local_err) { 812 error_propagate(errp, local_err); 813 goto err_close; 814 } 815 816 g_debug("bus type %d", disk->bus_type); 817 /* always set pci_controller as required by schema. get_pci_info() should 818 * report -1 values for non-PCI buses rather than fail. fail the command 819 * if that doesn't hold since that suggests some other unexpected 820 * breakage 821 */ 822 disk->pci_controller = get_pci_info(disk_number, &local_err); 823 if (local_err) { 824 error_propagate(errp, local_err); 825 goto err_close; 826 } 827 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI 828 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE 829 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID 830 /* This bus type is not supported before Windows Server 2003 SP1 */ 831 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS 832 ) { 833 /* We are able to use the same ioctls for different bus types 834 * according to Microsoft docs 835 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 836 g_debug("getting SCSI info"); 837 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 838 sizeof(SCSI_ADDRESS), &len, NULL)) { 839 disk->unit = addr.Lun; 840 disk->target = addr.TargetId; 841 disk->bus = addr.PathId; 842 } 843 /* We do not set error in this case, because we still have enough 844 * information about volume. */ 845 } 846 847 err_close: 848 CloseHandle(disk_h); 849 return; 850 } 851 852 /* VSS provider works with volumes, thus there is no difference if 853 * the volume consist of spanned disks. Info about the first disk in the 854 * volume is returned for the spanned disk group (LVM) */ 855 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 856 { 857 Error *local_err = NULL; 858 GuestDiskAddressList *list = NULL, *cur_item = NULL; 859 GuestDiskAddress *disk = NULL; 860 int i; 861 HANDLE vol_h; 862 DWORD size; 863 PVOLUME_DISK_EXTENTS extents = NULL; 864 865 /* strip final backslash */ 866 char *name = g_strdup(guid); 867 if (g_str_has_suffix(name, "\\")) { 868 name[strlen(name) - 1] = 0; 869 } 870 871 g_debug("opening %s", name); 872 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 873 0, NULL); 874 if (vol_h == INVALID_HANDLE_VALUE) { 875 error_setg_win32(errp, GetLastError(), "failed to open volume"); 876 goto out; 877 } 878 879 /* Get list of extents */ 880 g_debug("getting disk extents"); 881 size = sizeof(VOLUME_DISK_EXTENTS); 882 extents = g_malloc0(size); 883 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 884 0, extents, size, &size, NULL)) { 885 DWORD last_err = GetLastError(); 886 if (last_err == ERROR_MORE_DATA) { 887 /* Try once more with big enough buffer */ 888 g_free(extents); 889 extents = g_malloc0(size); 890 if (!DeviceIoControl( 891 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 892 0, extents, size, NULL, NULL)) { 893 error_setg_win32(errp, GetLastError(), 894 "failed to get disk extents"); 895 goto out; 896 } 897 } else if (last_err == ERROR_INVALID_FUNCTION) { 898 /* Possibly CD-ROM or a shared drive. Try to pass the volume */ 899 g_debug("volume not on disk"); 900 disk = g_malloc0(sizeof(GuestDiskAddress)); 901 disk->has_dev = true; 902 disk->dev = g_strdup(name); 903 get_single_disk_info(0xffffffff, disk, &local_err); 904 if (local_err) { 905 g_debug("failed to get disk info, ignoring error: %s", 906 error_get_pretty(local_err)); 907 error_free(local_err); 908 goto out; 909 } 910 list = g_malloc0(sizeof(*list)); 911 list->value = disk; 912 disk = NULL; 913 list->next = NULL; 914 goto out; 915 } else { 916 error_setg_win32(errp, GetLastError(), 917 "failed to get disk extents"); 918 goto out; 919 } 920 } 921 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents); 922 923 /* Go through each extent */ 924 for (i = 0; i < extents->NumberOfDiskExtents; i++) { 925 disk = g_malloc0(sizeof(GuestDiskAddress)); 926 927 /* Disk numbers directly correspond to numbers used in UNCs 928 * 929 * See documentation for DISK_EXTENT: 930 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent 931 * 932 * See also Naming Files, Paths and Namespaces: 933 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces 934 */ 935 disk->has_dev = true; 936 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", 937 extents->Extents[i].DiskNumber); 938 939 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err); 940 if (local_err) { 941 error_propagate(errp, local_err); 942 goto out; 943 } 944 cur_item = g_malloc0(sizeof(*list)); 945 cur_item->value = disk; 946 disk = NULL; 947 cur_item->next = list; 948 list = cur_item; 949 } 950 951 952 out: 953 if (vol_h != INVALID_HANDLE_VALUE) { 954 CloseHandle(vol_h); 955 } 956 qapi_free_GuestDiskAddress(disk); 957 g_free(extents); 958 g_free(name); 959 960 return list; 961 } 962 963 #else 964 965 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 966 { 967 return NULL; 968 } 969 970 #endif /* CONFIG_QGA_NTDDSCSI */ 971 972 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 973 { 974 DWORD info_size; 975 char mnt, *mnt_point; 976 char fs_name[32]; 977 char vol_info[MAX_PATH+1]; 978 size_t len; 979 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 980 GuestFilesystemInfo *fs = NULL; 981 982 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 983 if (GetLastError() != ERROR_MORE_DATA) { 984 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 985 return NULL; 986 } 987 988 mnt_point = g_malloc(info_size + 1); 989 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 990 &info_size)) { 991 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 992 goto free; 993 } 994 995 len = strlen(mnt_point); 996 mnt_point[len] = '\\'; 997 mnt_point[len+1] = 0; 998 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 999 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 1000 if (GetLastError() != ERROR_NOT_READY) { 1001 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 1002 } 1003 goto free; 1004 } 1005 1006 fs_name[sizeof(fs_name) - 1] = 0; 1007 fs = g_malloc(sizeof(*fs)); 1008 fs->name = g_strdup(guid); 1009 fs->has_total_bytes = false; 1010 fs->has_used_bytes = false; 1011 if (len == 0) { 1012 fs->mountpoint = g_strdup("System Reserved"); 1013 } else { 1014 fs->mountpoint = g_strndup(mnt_point, len); 1015 if (GetDiskFreeSpaceEx(fs->mountpoint, 1016 (PULARGE_INTEGER) & i64FreeBytesToCaller, 1017 (PULARGE_INTEGER) & i64TotalBytes, 1018 (PULARGE_INTEGER) & i64FreeBytes)) { 1019 fs->used_bytes = i64TotalBytes - i64FreeBytes; 1020 fs->total_bytes = i64TotalBytes; 1021 fs->has_total_bytes = true; 1022 fs->has_used_bytes = true; 1023 } 1024 } 1025 fs->type = g_strdup(fs_name); 1026 fs->disk = build_guest_disk_info(guid, errp); 1027 free: 1028 g_free(mnt_point); 1029 return fs; 1030 } 1031 1032 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 1033 { 1034 HANDLE vol_h; 1035 GuestFilesystemInfoList *new, *ret = NULL; 1036 char guid[256]; 1037 1038 vol_h = FindFirstVolume(guid, sizeof(guid)); 1039 if (vol_h == INVALID_HANDLE_VALUE) { 1040 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1041 return NULL; 1042 } 1043 1044 do { 1045 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 1046 if (info == NULL) { 1047 continue; 1048 } 1049 new = g_malloc(sizeof(*ret)); 1050 new->value = info; 1051 new->next = ret; 1052 ret = new; 1053 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 1054 1055 if (GetLastError() != ERROR_NO_MORE_FILES) { 1056 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 1057 } 1058 1059 FindVolumeClose(vol_h); 1060 return ret; 1061 } 1062 1063 /* 1064 * Return status of freeze/thaw 1065 */ 1066 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 1067 { 1068 if (!vss_initialized()) { 1069 error_setg(errp, QERR_UNSUPPORTED); 1070 return 0; 1071 } 1072 1073 if (ga_is_frozen(ga_state)) { 1074 return GUEST_FSFREEZE_STATUS_FROZEN; 1075 } 1076 1077 return GUEST_FSFREEZE_STATUS_THAWED; 1078 } 1079 1080 /* 1081 * Freeze local file systems using Volume Shadow-copy Service. 1082 * The frozen state is limited for up to 10 seconds by VSS. 1083 */ 1084 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 1085 { 1086 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); 1087 } 1088 1089 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 1090 strList *mountpoints, 1091 Error **errp) 1092 { 1093 int i; 1094 Error *local_err = NULL; 1095 1096 if (!vss_initialized()) { 1097 error_setg(errp, QERR_UNSUPPORTED); 1098 return 0; 1099 } 1100 1101 slog("guest-fsfreeze called"); 1102 1103 /* cannot risk guest agent blocking itself on a write in this state */ 1104 ga_set_frozen(ga_state); 1105 1106 qga_vss_fsfreeze(&i, true, mountpoints, &local_err); 1107 if (local_err) { 1108 error_propagate(errp, local_err); 1109 goto error; 1110 } 1111 1112 return i; 1113 1114 error: 1115 local_err = NULL; 1116 qmp_guest_fsfreeze_thaw(&local_err); 1117 if (local_err) { 1118 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 1119 error_free(local_err); 1120 } 1121 return 0; 1122 } 1123 1124 /* 1125 * Thaw local file systems using Volume Shadow-copy Service. 1126 */ 1127 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 1128 { 1129 int i; 1130 1131 if (!vss_initialized()) { 1132 error_setg(errp, QERR_UNSUPPORTED); 1133 return 0; 1134 } 1135 1136 qga_vss_fsfreeze(&i, false, NULL, errp); 1137 1138 ga_unset_frozen(ga_state); 1139 return i; 1140 } 1141 1142 static void guest_fsfreeze_cleanup(void) 1143 { 1144 Error *err = NULL; 1145 1146 if (!vss_initialized()) { 1147 return; 1148 } 1149 1150 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 1151 qmp_guest_fsfreeze_thaw(&err); 1152 if (err) { 1153 slog("failed to clean up frozen filesystems: %s", 1154 error_get_pretty(err)); 1155 error_free(err); 1156 } 1157 } 1158 1159 vss_deinit(true); 1160 } 1161 1162 /* 1163 * Walk list of mounted file systems in the guest, and discard unused 1164 * areas. 1165 */ 1166 GuestFilesystemTrimResponse * 1167 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 1168 { 1169 GuestFilesystemTrimResponse *resp; 1170 HANDLE handle; 1171 WCHAR guid[MAX_PATH] = L""; 1172 OSVERSIONINFO osvi; 1173 BOOL win8_or_later; 1174 1175 ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); 1176 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1177 GetVersionEx(&osvi); 1178 win8_or_later = (osvi.dwMajorVersion > 6 || 1179 ((osvi.dwMajorVersion == 6) && 1180 (osvi.dwMinorVersion >= 2))); 1181 if (!win8_or_later) { 1182 error_setg(errp, "fstrim is only supported for Win8+"); 1183 return NULL; 1184 } 1185 1186 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 1187 if (handle == INVALID_HANDLE_VALUE) { 1188 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1189 return NULL; 1190 } 1191 1192 resp = g_new0(GuestFilesystemTrimResponse, 1); 1193 1194 do { 1195 GuestFilesystemTrimResult *res; 1196 GuestFilesystemTrimResultList *list; 1197 PWCHAR uc_path; 1198 DWORD char_count = 0; 1199 char *path, *out; 1200 GError *gerr = NULL; 1201 gchar * argv[4]; 1202 1203 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 1204 1205 if (GetLastError() != ERROR_MORE_DATA) { 1206 continue; 1207 } 1208 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 1209 continue; 1210 } 1211 1212 uc_path = g_malloc(sizeof(WCHAR) * char_count); 1213 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 1214 &char_count) || !*uc_path) { 1215 /* strange, but this condition could be faced even with size == 2 */ 1216 g_free(uc_path); 1217 continue; 1218 } 1219 1220 res = g_new0(GuestFilesystemTrimResult, 1); 1221 1222 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 1223 1224 g_free(uc_path); 1225 1226 if (!path) { 1227 res->has_error = true; 1228 res->error = g_strdup(gerr->message); 1229 g_error_free(gerr); 1230 break; 1231 } 1232 1233 res->path = path; 1234 1235 list = g_new0(GuestFilesystemTrimResultList, 1); 1236 list->value = res; 1237 list->next = resp->paths; 1238 1239 resp->paths = list; 1240 1241 memset(argv, 0, sizeof(argv)); 1242 argv[0] = (gchar *)"defrag.exe"; 1243 argv[1] = (gchar *)"/L"; 1244 argv[2] = path; 1245 1246 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 1247 &out /* stdout */, NULL /* stdin */, 1248 NULL, &gerr)) { 1249 res->has_error = true; 1250 res->error = g_strdup(gerr->message); 1251 g_error_free(gerr); 1252 } else { 1253 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 1254 Error is reported in the output with something like 1255 (x89000020) etc code in the stdout */ 1256 1257 int i; 1258 gchar **lines = g_strsplit(out, "\r\n", 0); 1259 g_free(out); 1260 1261 for (i = 0; lines[i] != NULL; i++) { 1262 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 1263 continue; 1264 } 1265 res->has_error = true; 1266 res->error = g_strdup(lines[i]); 1267 break; 1268 } 1269 g_strfreev(lines); 1270 } 1271 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 1272 1273 FindVolumeClose(handle); 1274 return resp; 1275 } 1276 1277 typedef enum { 1278 GUEST_SUSPEND_MODE_DISK, 1279 GUEST_SUSPEND_MODE_RAM 1280 } GuestSuspendMode; 1281 1282 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 1283 { 1284 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 1285 Error *local_err = NULL; 1286 1287 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 1288 if (!GetPwrCapabilities(&sys_pwr_caps)) { 1289 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1290 "failed to determine guest suspend capabilities"); 1291 goto out; 1292 } 1293 1294 switch (mode) { 1295 case GUEST_SUSPEND_MODE_DISK: 1296 if (!sys_pwr_caps.SystemS4) { 1297 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1298 "suspend-to-disk not supported by OS"); 1299 } 1300 break; 1301 case GUEST_SUSPEND_MODE_RAM: 1302 if (!sys_pwr_caps.SystemS3) { 1303 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1304 "suspend-to-ram not supported by OS"); 1305 } 1306 break; 1307 default: 1308 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 1309 "GuestSuspendMode"); 1310 } 1311 1312 out: 1313 error_propagate(errp, local_err); 1314 } 1315 1316 static DWORD WINAPI do_suspend(LPVOID opaque) 1317 { 1318 GuestSuspendMode *mode = opaque; 1319 DWORD ret = 0; 1320 1321 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1322 slog("failed to suspend guest, %lu", GetLastError()); 1323 ret = -1; 1324 } 1325 g_free(mode); 1326 return ret; 1327 } 1328 1329 void qmp_guest_suspend_disk(Error **errp) 1330 { 1331 Error *local_err = NULL; 1332 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1333 1334 *mode = GUEST_SUSPEND_MODE_DISK; 1335 check_suspend_mode(*mode, &local_err); 1336 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1337 execute_async(do_suspend, mode, &local_err); 1338 1339 if (local_err) { 1340 error_propagate(errp, local_err); 1341 g_free(mode); 1342 } 1343 } 1344 1345 void qmp_guest_suspend_ram(Error **errp) 1346 { 1347 Error *local_err = NULL; 1348 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1349 1350 *mode = GUEST_SUSPEND_MODE_RAM; 1351 check_suspend_mode(*mode, &local_err); 1352 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1353 execute_async(do_suspend, mode, &local_err); 1354 1355 if (local_err) { 1356 error_propagate(errp, local_err); 1357 g_free(mode); 1358 } 1359 } 1360 1361 void qmp_guest_suspend_hybrid(Error **errp) 1362 { 1363 error_setg(errp, QERR_UNSUPPORTED); 1364 } 1365 1366 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1367 { 1368 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1369 ULONG adptr_addrs_len = 0; 1370 DWORD ret; 1371 1372 /* Call the first time to get the adptr_addrs_len. */ 1373 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1374 NULL, adptr_addrs, &adptr_addrs_len); 1375 1376 adptr_addrs = g_malloc(adptr_addrs_len); 1377 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1378 NULL, adptr_addrs, &adptr_addrs_len); 1379 if (ret != ERROR_SUCCESS) { 1380 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1381 g_free(adptr_addrs); 1382 adptr_addrs = NULL; 1383 } 1384 return adptr_addrs; 1385 } 1386 1387 static char *guest_wctomb_dup(WCHAR *wstr) 1388 { 1389 char *str; 1390 size_t str_size; 1391 1392 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL); 1393 /* add 1 to str_size for NULL terminator */ 1394 str = g_malloc(str_size + 1); 1395 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL); 1396 return str; 1397 } 1398 1399 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1400 Error **errp) 1401 { 1402 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1403 DWORD len; 1404 int ret; 1405 1406 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1407 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1408 len = sizeof(addr_str); 1409 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1410 ip_addr->Address.iSockaddrLength, 1411 NULL, 1412 addr_str, 1413 &len); 1414 if (ret != 0) { 1415 error_setg_win32(errp, WSAGetLastError(), 1416 "failed address presentation form conversion"); 1417 return NULL; 1418 } 1419 return g_strdup(addr_str); 1420 } 1421 return NULL; 1422 } 1423 1424 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1425 { 1426 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1427 * field to obtain the prefix. 1428 */ 1429 return ip_addr->OnLinkPrefixLength; 1430 } 1431 1432 #define INTERFACE_PATH_BUF_SZ 512 1433 1434 static DWORD get_interface_index(const char *guid) 1435 { 1436 ULONG index; 1437 DWORD status; 1438 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1439 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1440 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1441 status = GetAdapterIndex (wbuf, &index); 1442 if (status != NO_ERROR) { 1443 return (DWORD)~0; 1444 } else { 1445 return index; 1446 } 1447 } 1448 1449 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1450 1451 static int guest_get_network_stats(const char *name, 1452 GuestNetworkInterfaceStat *stats) 1453 { 1454 OSVERSIONINFO os_ver; 1455 1456 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1457 GetVersionEx(&os_ver); 1458 if (os_ver.dwMajorVersion >= 6) { 1459 MIB_IF_ROW2 a_mid_ifrow; 1460 GetIfEntry2Func getifentry2_ex; 1461 DWORD if_index = 0; 1462 HMODULE module = GetModuleHandle("iphlpapi"); 1463 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1464 1465 if (func == NULL) { 1466 return -1; 1467 } 1468 1469 getifentry2_ex = (GetIfEntry2Func)func; 1470 if_index = get_interface_index(name); 1471 if (if_index == (DWORD)~0) { 1472 return -1; 1473 } 1474 1475 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1476 a_mid_ifrow.InterfaceIndex = if_index; 1477 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1478 stats->rx_bytes = a_mid_ifrow.InOctets; 1479 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1480 stats->rx_errs = a_mid_ifrow.InErrors; 1481 stats->rx_dropped = a_mid_ifrow.InDiscards; 1482 stats->tx_bytes = a_mid_ifrow.OutOctets; 1483 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1484 stats->tx_errs = a_mid_ifrow.OutErrors; 1485 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1486 return 0; 1487 } 1488 } 1489 return -1; 1490 } 1491 1492 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1493 { 1494 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1495 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1496 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1497 GuestIpAddressList *head_addr, *cur_addr; 1498 GuestNetworkInterfaceList *info; 1499 GuestNetworkInterfaceStat *interface_stat = NULL; 1500 GuestIpAddressList *address_item = NULL; 1501 unsigned char *mac_addr; 1502 char *addr_str; 1503 WORD wsa_version; 1504 WSADATA wsa_data; 1505 int ret; 1506 1507 adptr_addrs = guest_get_adapters_addresses(errp); 1508 if (adptr_addrs == NULL) { 1509 return NULL; 1510 } 1511 1512 /* Make WSA APIs available. */ 1513 wsa_version = MAKEWORD(2, 2); 1514 ret = WSAStartup(wsa_version, &wsa_data); 1515 if (ret != 0) { 1516 error_setg_win32(errp, ret, "failed socket startup"); 1517 goto out; 1518 } 1519 1520 for (addr = adptr_addrs; addr; addr = addr->Next) { 1521 info = g_malloc0(sizeof(*info)); 1522 1523 if (cur_item == NULL) { 1524 head = cur_item = info; 1525 } else { 1526 cur_item->next = info; 1527 cur_item = info; 1528 } 1529 1530 info->value = g_malloc0(sizeof(*info->value)); 1531 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1532 1533 if (addr->PhysicalAddressLength != 0) { 1534 mac_addr = addr->PhysicalAddress; 1535 1536 info->value->hardware_address = 1537 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1538 (int) mac_addr[0], (int) mac_addr[1], 1539 (int) mac_addr[2], (int) mac_addr[3], 1540 (int) mac_addr[4], (int) mac_addr[5]); 1541 1542 info->value->has_hardware_address = true; 1543 } 1544 1545 head_addr = NULL; 1546 cur_addr = NULL; 1547 for (ip_addr = addr->FirstUnicastAddress; 1548 ip_addr; 1549 ip_addr = ip_addr->Next) { 1550 addr_str = guest_addr_to_str(ip_addr, errp); 1551 if (addr_str == NULL) { 1552 continue; 1553 } 1554 1555 address_item = g_malloc0(sizeof(*address_item)); 1556 1557 if (!cur_addr) { 1558 head_addr = cur_addr = address_item; 1559 } else { 1560 cur_addr->next = address_item; 1561 cur_addr = address_item; 1562 } 1563 1564 address_item->value = g_malloc0(sizeof(*address_item->value)); 1565 address_item->value->ip_address = addr_str; 1566 address_item->value->prefix = guest_ip_prefix(ip_addr); 1567 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1568 address_item->value->ip_address_type = 1569 GUEST_IP_ADDRESS_TYPE_IPV4; 1570 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1571 address_item->value->ip_address_type = 1572 GUEST_IP_ADDRESS_TYPE_IPV6; 1573 } 1574 } 1575 if (head_addr) { 1576 info->value->has_ip_addresses = true; 1577 info->value->ip_addresses = head_addr; 1578 } 1579 if (!info->value->has_statistics) { 1580 interface_stat = g_malloc0(sizeof(*interface_stat)); 1581 if (guest_get_network_stats(addr->AdapterName, 1582 interface_stat) == -1) { 1583 info->value->has_statistics = false; 1584 g_free(interface_stat); 1585 } else { 1586 info->value->statistics = interface_stat; 1587 info->value->has_statistics = true; 1588 } 1589 } 1590 } 1591 WSACleanup(); 1592 out: 1593 g_free(adptr_addrs); 1594 return head; 1595 } 1596 1597 int64_t qmp_guest_get_time(Error **errp) 1598 { 1599 SYSTEMTIME ts = {0}; 1600 FILETIME tf; 1601 1602 GetSystemTime(&ts); 1603 if (ts.wYear < 1601 || ts.wYear > 30827) { 1604 error_setg(errp, "Failed to get time"); 1605 return -1; 1606 } 1607 1608 if (!SystemTimeToFileTime(&ts, &tf)) { 1609 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1610 return -1; 1611 } 1612 1613 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1614 - W32_FT_OFFSET) * 100; 1615 } 1616 1617 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1618 { 1619 Error *local_err = NULL; 1620 SYSTEMTIME ts; 1621 FILETIME tf; 1622 LONGLONG time; 1623 1624 if (!has_time) { 1625 /* Unfortunately, Windows libraries don't provide an easy way to access 1626 * RTC yet: 1627 * 1628 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1629 * 1630 * Instead, a workaround is to use the Windows win32tm command to 1631 * resync the time using the Windows Time service. 1632 */ 1633 LPVOID msg_buffer; 1634 DWORD ret_flags; 1635 1636 HRESULT hr = system("w32tm /resync /nowait"); 1637 1638 if (GetLastError() != 0) { 1639 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1640 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1641 } else if (hr != 0) { 1642 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1643 error_setg(errp, "Windows Time service not running on the " 1644 "guest"); 1645 } else { 1646 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1647 FORMAT_MESSAGE_FROM_SYSTEM | 1648 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1649 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1650 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1651 NULL)) { 1652 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1653 "t retrieve error message", hr); 1654 } else { 1655 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1656 (LPCTSTR)msg_buffer); 1657 LocalFree(msg_buffer); 1658 } 1659 } 1660 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1661 error_setg(errp, "No internet connection on guest, sync not " 1662 "accurate"); 1663 } 1664 return; 1665 } 1666 1667 /* Validate time passed by user. */ 1668 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1669 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1670 return; 1671 } 1672 1673 time = time_ns / 100 + W32_FT_OFFSET; 1674 1675 tf.dwLowDateTime = (DWORD) time; 1676 tf.dwHighDateTime = (DWORD) (time >> 32); 1677 1678 if (!FileTimeToSystemTime(&tf, &ts)) { 1679 error_setg(errp, "Failed to convert system time %d", 1680 (int)GetLastError()); 1681 return; 1682 } 1683 1684 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1685 if (local_err) { 1686 error_propagate(errp, local_err); 1687 return; 1688 } 1689 1690 if (!SetSystemTime(&ts)) { 1691 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1692 return; 1693 } 1694 } 1695 1696 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1697 { 1698 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1699 DWORD length; 1700 GuestLogicalProcessorList *head, **link; 1701 Error *local_err = NULL; 1702 int64_t current; 1703 1704 ptr = pslpi = NULL; 1705 length = 0; 1706 current = 0; 1707 head = NULL; 1708 link = &head; 1709 1710 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1711 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1712 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1713 ptr = pslpi = g_malloc0(length); 1714 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1715 error_setg(&local_err, "Failed to get processor information: %d", 1716 (int)GetLastError()); 1717 } 1718 } else { 1719 error_setg(&local_err, 1720 "Failed to get processor information buffer length: %d", 1721 (int)GetLastError()); 1722 } 1723 1724 while ((local_err == NULL) && (length > 0)) { 1725 if (pslpi->Relationship == RelationProcessorCore) { 1726 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1727 1728 while (cpu_bits > 0) { 1729 if (!!(cpu_bits & 1)) { 1730 GuestLogicalProcessor *vcpu; 1731 GuestLogicalProcessorList *entry; 1732 1733 vcpu = g_malloc0(sizeof *vcpu); 1734 vcpu->logical_id = current++; 1735 vcpu->online = true; 1736 vcpu->has_can_offline = true; 1737 1738 entry = g_malloc0(sizeof *entry); 1739 entry->value = vcpu; 1740 1741 *link = entry; 1742 link = &entry->next; 1743 } 1744 cpu_bits >>= 1; 1745 } 1746 } 1747 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1748 pslpi++; /* next entry */ 1749 } 1750 1751 g_free(ptr); 1752 1753 if (local_err == NULL) { 1754 if (head != NULL) { 1755 return head; 1756 } 1757 /* there's no guest with zero VCPUs */ 1758 error_setg(&local_err, "Guest reported zero VCPUs"); 1759 } 1760 1761 qapi_free_GuestLogicalProcessorList(head); 1762 error_propagate(errp, local_err); 1763 return NULL; 1764 } 1765 1766 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1767 { 1768 error_setg(errp, QERR_UNSUPPORTED); 1769 return -1; 1770 } 1771 1772 static gchar * 1773 get_net_error_message(gint error) 1774 { 1775 HMODULE module = NULL; 1776 gchar *retval = NULL; 1777 wchar_t *msg = NULL; 1778 int flags; 1779 size_t nchars; 1780 1781 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1782 FORMAT_MESSAGE_IGNORE_INSERTS | 1783 FORMAT_MESSAGE_FROM_SYSTEM; 1784 1785 if (error >= NERR_BASE && error <= MAX_NERR) { 1786 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1787 1788 if (module != NULL) { 1789 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1790 } 1791 } 1792 1793 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1794 1795 if (msg != NULL) { 1796 nchars = wcslen(msg); 1797 1798 if (nchars >= 2 && 1799 msg[nchars - 1] == L'\n' && 1800 msg[nchars - 2] == L'\r') { 1801 msg[nchars - 2] = L'\0'; 1802 } 1803 1804 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1805 1806 LocalFree(msg); 1807 } 1808 1809 if (module != NULL) { 1810 FreeLibrary(module); 1811 } 1812 1813 return retval; 1814 } 1815 1816 void qmp_guest_set_user_password(const char *username, 1817 const char *password, 1818 bool crypted, 1819 Error **errp) 1820 { 1821 NET_API_STATUS nas; 1822 char *rawpasswddata = NULL; 1823 size_t rawpasswdlen; 1824 wchar_t *user = NULL, *wpass = NULL; 1825 USER_INFO_1003 pi1003 = { 0, }; 1826 GError *gerr = NULL; 1827 1828 if (crypted) { 1829 error_setg(errp, QERR_UNSUPPORTED); 1830 return; 1831 } 1832 1833 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1834 if (!rawpasswddata) { 1835 return; 1836 } 1837 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1838 rawpasswddata[rawpasswdlen] = '\0'; 1839 1840 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1841 if (!user) { 1842 goto done; 1843 } 1844 1845 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1846 if (!wpass) { 1847 goto done; 1848 } 1849 1850 pi1003.usri1003_password = wpass; 1851 nas = NetUserSetInfo(NULL, user, 1852 1003, (LPBYTE)&pi1003, 1853 NULL); 1854 1855 if (nas != NERR_Success) { 1856 gchar *msg = get_net_error_message(nas); 1857 error_setg(errp, "failed to set password: %s", msg); 1858 g_free(msg); 1859 } 1860 1861 done: 1862 if (gerr) { 1863 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1864 g_error_free(gerr); 1865 } 1866 g_free(user); 1867 g_free(wpass); 1868 g_free(rawpasswddata); 1869 } 1870 1871 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1872 { 1873 error_setg(errp, QERR_UNSUPPORTED); 1874 return NULL; 1875 } 1876 1877 GuestMemoryBlockResponseList * 1878 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1879 { 1880 error_setg(errp, QERR_UNSUPPORTED); 1881 return NULL; 1882 } 1883 1884 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1885 { 1886 error_setg(errp, QERR_UNSUPPORTED); 1887 return NULL; 1888 } 1889 1890 /* add unsupported commands to the blacklist */ 1891 GList *ga_command_blacklist_init(GList *blacklist) 1892 { 1893 const char *list_unsupported[] = { 1894 "guest-suspend-hybrid", 1895 "guest-set-vcpus", 1896 "guest-get-memory-blocks", "guest-set-memory-blocks", 1897 "guest-get-memory-block-size", "guest-get-memory-block-info", 1898 NULL}; 1899 char **p = (char **)list_unsupported; 1900 1901 while (*p) { 1902 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1903 } 1904 1905 if (!vss_init(true)) { 1906 g_debug("vss_init failed, vss commands are going to be disabled"); 1907 const char *list[] = { 1908 "guest-get-fsinfo", "guest-fsfreeze-status", 1909 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1910 p = (char **)list; 1911 1912 while (*p) { 1913 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1914 } 1915 } 1916 1917 return blacklist; 1918 } 1919 1920 /* register init/cleanup routines for stateful command groups */ 1921 void ga_command_state_init(GAState *s, GACommandState *cs) 1922 { 1923 if (!vss_initialized()) { 1924 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1925 } 1926 } 1927 1928 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 1929 typedef struct _GA_WTSINFOA { 1930 WTS_CONNECTSTATE_CLASS State; 1931 DWORD SessionId; 1932 DWORD IncomingBytes; 1933 DWORD OutgoingBytes; 1934 DWORD IncomingFrames; 1935 DWORD OutgoingFrames; 1936 DWORD IncomingCompressedBytes; 1937 DWORD OutgoingCompressedBy; 1938 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 1939 CHAR Domain[DOMAIN_LENGTH]; 1940 CHAR UserName[USERNAME_LENGTH + 1]; 1941 LARGE_INTEGER ConnectTime; 1942 LARGE_INTEGER DisconnectTime; 1943 LARGE_INTEGER LastInputTime; 1944 LARGE_INTEGER LogonTime; 1945 LARGE_INTEGER CurrentTime; 1946 1947 } GA_WTSINFOA; 1948 1949 GuestUserList *qmp_guest_get_users(Error **err) 1950 { 1951 #define QGA_NANOSECONDS 10000000 1952 1953 GHashTable *cache = NULL; 1954 GuestUserList *head = NULL, *cur_item = NULL; 1955 1956 DWORD buffer_size = 0, count = 0, i = 0; 1957 GA_WTSINFOA *info = NULL; 1958 WTS_SESSION_INFOA *entries = NULL; 1959 GuestUserList *item = NULL; 1960 GuestUser *user = NULL; 1961 gpointer value = NULL; 1962 INT64 login = 0; 1963 double login_time = 0; 1964 1965 cache = g_hash_table_new(g_str_hash, g_str_equal); 1966 1967 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 1968 for (i = 0; i < count; ++i) { 1969 buffer_size = 0; 1970 info = NULL; 1971 if (WTSQuerySessionInformationA( 1972 NULL, 1973 entries[i].SessionId, 1974 WTSSessionInfo, 1975 (LPSTR *)&info, 1976 &buffer_size 1977 )) { 1978 1979 if (strlen(info->UserName) == 0) { 1980 WTSFreeMemory(info); 1981 continue; 1982 } 1983 1984 login = info->LogonTime.QuadPart; 1985 login -= W32_FT_OFFSET; 1986 login_time = ((double)login) / QGA_NANOSECONDS; 1987 1988 if (g_hash_table_contains(cache, info->UserName)) { 1989 value = g_hash_table_lookup(cache, info->UserName); 1990 user = (GuestUser *)value; 1991 if (user->login_time > login_time) { 1992 user->login_time = login_time; 1993 } 1994 } else { 1995 item = g_new0(GuestUserList, 1); 1996 item->value = g_new0(GuestUser, 1); 1997 1998 item->value->user = g_strdup(info->UserName); 1999 item->value->domain = g_strdup(info->Domain); 2000 item->value->has_domain = true; 2001 2002 item->value->login_time = login_time; 2003 2004 g_hash_table_add(cache, item->value->user); 2005 2006 if (!cur_item) { 2007 head = cur_item = item; 2008 } else { 2009 cur_item->next = item; 2010 cur_item = item; 2011 } 2012 } 2013 } 2014 WTSFreeMemory(info); 2015 } 2016 WTSFreeMemory(entries); 2017 } 2018 g_hash_table_destroy(cache); 2019 return head; 2020 } 2021 2022 typedef struct _ga_matrix_lookup_t { 2023 int major; 2024 int minor; 2025 char const *version; 2026 char const *version_id; 2027 } ga_matrix_lookup_t; 2028 2029 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { 2030 { 2031 /* Desktop editions */ 2032 { 5, 0, "Microsoft Windows 2000", "2000"}, 2033 { 5, 1, "Microsoft Windows XP", "xp"}, 2034 { 6, 0, "Microsoft Windows Vista", "vista"}, 2035 { 6, 1, "Microsoft Windows 7" "7"}, 2036 { 6, 2, "Microsoft Windows 8", "8"}, 2037 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 2038 {10, 0, "Microsoft Windows 10", "10"}, 2039 { 0, 0, 0} 2040 },{ 2041 /* Server editions */ 2042 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 2043 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 2044 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 2045 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 2046 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 2047 { 0, 0, 0}, 2048 { 0, 0, 0}, 2049 { 0, 0, 0} 2050 } 2051 }; 2052 2053 typedef struct _ga_win_10_0_server_t { 2054 int final_build; 2055 char const *version; 2056 char const *version_id; 2057 } ga_win_10_0_server_t; 2058 2059 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = { 2060 {14393, "Microsoft Windows Server 2016", "2016"}, 2061 {17763, "Microsoft Windows Server 2019", "2019"}, 2062 {0, 0} 2063 }; 2064 2065 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 2066 { 2067 typedef NTSTATUS(WINAPI * rtl_get_version_t)( 2068 RTL_OSVERSIONINFOEXW *os_version_info_ex); 2069 2070 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 2071 2072 HMODULE module = GetModuleHandle("ntdll"); 2073 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 2074 if (fun == NULL) { 2075 error_setg(errp, QERR_QGA_COMMAND_FAILED, 2076 "Failed to get address of RtlGetVersion"); 2077 return; 2078 } 2079 2080 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 2081 rtl_get_version(info); 2082 return; 2083 } 2084 2085 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 2086 { 2087 DWORD major = os_version->dwMajorVersion; 2088 DWORD minor = os_version->dwMinorVersion; 2089 DWORD build = os_version->dwBuildNumber; 2090 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 2091 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 2092 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX; 2093 while (table->version != NULL) { 2094 if (major == 10 && minor == 0 && tbl_idx) { 2095 while (win_10_0_table->version != NULL) { 2096 if (build <= win_10_0_table->final_build) { 2097 if (id) { 2098 return g_strdup(win_10_0_table->version_id); 2099 } else { 2100 return g_strdup(win_10_0_table->version); 2101 } 2102 } 2103 win_10_0_table++; 2104 } 2105 } else if (major == table->major && minor == table->minor) { 2106 if (id) { 2107 return g_strdup(table->version_id); 2108 } else { 2109 return g_strdup(table->version); 2110 } 2111 } 2112 ++table; 2113 } 2114 slog("failed to lookup Windows version: major=%lu, minor=%lu", 2115 major, minor); 2116 return g_strdup("N/A"); 2117 } 2118 2119 static char *ga_get_win_product_name(Error **errp) 2120 { 2121 HKEY key = NULL; 2122 DWORD size = 128; 2123 char *result = g_malloc0(size); 2124 LONG err = ERROR_SUCCESS; 2125 2126 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 2127 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 2128 &key); 2129 if (err != ERROR_SUCCESS) { 2130 error_setg_win32(errp, err, "failed to open registry key"); 2131 goto fail; 2132 } 2133 2134 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2135 (LPBYTE)result, &size); 2136 if (err == ERROR_MORE_DATA) { 2137 slog("ProductName longer than expected (%lu bytes), retrying", 2138 size); 2139 g_free(result); 2140 result = NULL; 2141 if (size > 0) { 2142 result = g_malloc0(size); 2143 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2144 (LPBYTE)result, &size); 2145 } 2146 } 2147 if (err != ERROR_SUCCESS) { 2148 error_setg_win32(errp, err, "failed to retrive ProductName"); 2149 goto fail; 2150 } 2151 2152 return result; 2153 2154 fail: 2155 g_free(result); 2156 return NULL; 2157 } 2158 2159 static char *ga_get_current_arch(void) 2160 { 2161 SYSTEM_INFO info; 2162 GetNativeSystemInfo(&info); 2163 char *result = NULL; 2164 switch (info.wProcessorArchitecture) { 2165 case PROCESSOR_ARCHITECTURE_AMD64: 2166 result = g_strdup("x86_64"); 2167 break; 2168 case PROCESSOR_ARCHITECTURE_ARM: 2169 result = g_strdup("arm"); 2170 break; 2171 case PROCESSOR_ARCHITECTURE_IA64: 2172 result = g_strdup("ia64"); 2173 break; 2174 case PROCESSOR_ARCHITECTURE_INTEL: 2175 result = g_strdup("x86"); 2176 break; 2177 case PROCESSOR_ARCHITECTURE_UNKNOWN: 2178 default: 2179 slog("unknown processor architecture 0x%0x", 2180 info.wProcessorArchitecture); 2181 result = g_strdup("unknown"); 2182 break; 2183 } 2184 return result; 2185 } 2186 2187 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 2188 { 2189 Error *local_err = NULL; 2190 OSVERSIONINFOEXW os_version = {0}; 2191 bool server; 2192 char *product_name; 2193 GuestOSInfo *info; 2194 2195 ga_get_win_version(&os_version, &local_err); 2196 if (local_err) { 2197 error_propagate(errp, local_err); 2198 return NULL; 2199 } 2200 2201 server = os_version.wProductType != VER_NT_WORKSTATION; 2202 product_name = ga_get_win_product_name(&local_err); 2203 if (product_name == NULL) { 2204 error_propagate(errp, local_err); 2205 return NULL; 2206 } 2207 2208 info = g_new0(GuestOSInfo, 1); 2209 2210 info->has_kernel_version = true; 2211 info->kernel_version = g_strdup_printf("%lu.%lu", 2212 os_version.dwMajorVersion, 2213 os_version.dwMinorVersion); 2214 info->has_kernel_release = true; 2215 info->kernel_release = g_strdup_printf("%lu", 2216 os_version.dwBuildNumber); 2217 info->has_machine = true; 2218 info->machine = ga_get_current_arch(); 2219 2220 info->has_id = true; 2221 info->id = g_strdup("mswindows"); 2222 info->has_name = true; 2223 info->name = g_strdup("Microsoft Windows"); 2224 info->has_pretty_name = true; 2225 info->pretty_name = product_name; 2226 info->has_version = true; 2227 info->version = ga_get_win_name(&os_version, false); 2228 info->has_version_id = true; 2229 info->version_id = ga_get_win_name(&os_version, true); 2230 info->has_variant = true; 2231 info->variant = g_strdup(server ? "server" : "client"); 2232 info->has_variant_id = true; 2233 info->variant_id = g_strdup(server ? "server" : "client"); 2234 2235 return info; 2236 } 2237