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