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