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 14 #include <glib.h> 15 #include <wtypes.h> 16 #include <powrprof.h> 17 #include <stdio.h> 18 #include <string.h> 19 #include <winsock2.h> 20 #include <ws2tcpip.h> 21 #include <iptypes.h> 22 #include <iphlpapi.h> 23 #ifdef CONFIG_QGA_NTDDSCSI 24 #include <winioctl.h> 25 #include <ntddscsi.h> 26 #include <setupapi.h> 27 #include <initguid.h> 28 #endif 29 #include <lm.h> 30 31 #include "qga/guest-agent-core.h" 32 #include "qga/vss-win32.h" 33 #include "qga-qmp-commands.h" 34 #include "qapi/qmp/qerror.h" 35 #include "qemu/queue.h" 36 #include "qemu/host-utils.h" 37 38 #ifndef SHTDN_REASON_FLAG_PLANNED 39 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 40 #endif 41 42 /* multiple of 100 nanoseconds elapsed between windows baseline 43 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 44 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 45 (365 * (1970 - 1601) + \ 46 (1970 - 1601) / 4 - 3)) 47 48 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 49 50 typedef struct GuestFileHandle { 51 int64_t id; 52 HANDLE fh; 53 QTAILQ_ENTRY(GuestFileHandle) next; 54 } GuestFileHandle; 55 56 static struct { 57 QTAILQ_HEAD(, GuestFileHandle) filehandles; 58 } guest_file_state = { 59 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 60 }; 61 62 63 typedef struct OpenFlags { 64 const char *forms; 65 DWORD desired_access; 66 DWORD creation_disposition; 67 } OpenFlags; 68 static OpenFlags guest_file_open_modes[] = { 69 {"r", GENERIC_READ, OPEN_EXISTING}, 70 {"rb", GENERIC_READ, OPEN_EXISTING}, 71 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 72 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 73 {"a", GENERIC_WRITE, OPEN_ALWAYS }, 74 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 75 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 76 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 77 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 78 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 79 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 80 {"a+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS }, 81 {"ab+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS }, 82 {"a+b", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS } 83 }; 84 85 static OpenFlags *find_open_flag(const char *mode_str) 86 { 87 int mode; 88 Error **errp = NULL; 89 90 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 91 OpenFlags *flags = guest_file_open_modes + mode; 92 93 if (strcmp(flags->forms, mode_str) == 0) { 94 return flags; 95 } 96 } 97 98 error_setg(errp, "invalid file open mode '%s'", mode_str); 99 return NULL; 100 } 101 102 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 103 { 104 GuestFileHandle *gfh; 105 int64_t handle; 106 107 handle = ga_get_fd_handle(ga_state, errp); 108 if (handle < 0) { 109 return -1; 110 } 111 gfh = g_new0(GuestFileHandle, 1); 112 gfh->id = handle; 113 gfh->fh = fh; 114 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 115 116 return handle; 117 } 118 119 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 120 { 121 GuestFileHandle *gfh; 122 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 123 if (gfh->id == id) { 124 return gfh; 125 } 126 } 127 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 128 return NULL; 129 } 130 131 static void handle_set_nonblocking(HANDLE fh) 132 { 133 DWORD file_type, pipe_state; 134 file_type = GetFileType(fh); 135 if (file_type != FILE_TYPE_PIPE) { 136 return; 137 } 138 /* If file_type == FILE_TYPE_PIPE, according to MSDN 139 * the specified file is socket or named pipe */ 140 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 141 NULL, NULL, NULL, 0)) { 142 return; 143 } 144 /* The fd is named pipe fd */ 145 if (pipe_state & PIPE_NOWAIT) { 146 return; 147 } 148 149 pipe_state |= PIPE_NOWAIT; 150 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 151 } 152 153 int64_t qmp_guest_file_open(const char *path, bool has_mode, 154 const char *mode, Error **errp) 155 { 156 int64_t fd; 157 HANDLE fh; 158 HANDLE templ_file = NULL; 159 DWORD share_mode = FILE_SHARE_READ; 160 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 161 LPSECURITY_ATTRIBUTES sa_attr = NULL; 162 OpenFlags *guest_flags; 163 164 if (!has_mode) { 165 mode = "r"; 166 } 167 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 168 guest_flags = find_open_flag(mode); 169 if (guest_flags == NULL) { 170 error_setg(errp, "invalid file open mode"); 171 return -1; 172 } 173 174 fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr, 175 guest_flags->creation_disposition, flags_and_attr, 176 templ_file); 177 if (fh == INVALID_HANDLE_VALUE) { 178 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 179 path); 180 return -1; 181 } 182 183 /* set fd non-blocking to avoid common use cases (like reading from a 184 * named pipe) from hanging the agent 185 */ 186 handle_set_nonblocking(fh); 187 188 fd = guest_file_handle_add(fh, errp); 189 if (fd < 0) { 190 CloseHandle(fh); 191 error_setg(errp, "failed to add handle to qmp handle table"); 192 return -1; 193 } 194 195 slog("guest-file-open, handle: % " PRId64, fd); 196 return fd; 197 } 198 199 void qmp_guest_file_close(int64_t handle, Error **errp) 200 { 201 bool ret; 202 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 203 slog("guest-file-close called, handle: %" PRId64, handle); 204 if (gfh == NULL) { 205 return; 206 } 207 ret = CloseHandle(gfh->fh); 208 if (!ret) { 209 error_setg_win32(errp, GetLastError(), "failed close handle"); 210 return; 211 } 212 213 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 214 g_free(gfh); 215 } 216 217 static void acquire_privilege(const char *name, Error **errp) 218 { 219 HANDLE token = NULL; 220 TOKEN_PRIVILEGES priv; 221 Error *local_err = NULL; 222 223 if (OpenProcessToken(GetCurrentProcess(), 224 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 225 { 226 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 227 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 228 "no luid for requested privilege"); 229 goto out; 230 } 231 232 priv.PrivilegeCount = 1; 233 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 234 235 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 236 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 237 "unable to acquire requested privilege"); 238 goto out; 239 } 240 241 } else { 242 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 243 "failed to open privilege token"); 244 } 245 246 out: 247 if (token) { 248 CloseHandle(token); 249 } 250 if (local_err) { 251 error_propagate(errp, local_err); 252 } 253 } 254 255 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 256 Error **errp) 257 { 258 Error *local_err = NULL; 259 260 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 261 if (!thread) { 262 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 263 "failed to dispatch asynchronous command"); 264 error_propagate(errp, local_err); 265 } 266 } 267 268 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 269 { 270 Error *local_err = NULL; 271 UINT shutdown_flag = EWX_FORCE; 272 273 slog("guest-shutdown called, mode: %s", mode); 274 275 if (!has_mode || strcmp(mode, "powerdown") == 0) { 276 shutdown_flag |= EWX_POWEROFF; 277 } else if (strcmp(mode, "halt") == 0) { 278 shutdown_flag |= EWX_SHUTDOWN; 279 } else if (strcmp(mode, "reboot") == 0) { 280 shutdown_flag |= EWX_REBOOT; 281 } else { 282 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 283 "halt|powerdown|reboot"); 284 return; 285 } 286 287 /* Request a shutdown privilege, but try to shut down the system 288 anyway. */ 289 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 290 if (local_err) { 291 error_propagate(errp, local_err); 292 return; 293 } 294 295 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 296 slog("guest-shutdown failed: %lu", GetLastError()); 297 error_setg(errp, QERR_UNDEFINED_ERROR); 298 } 299 } 300 301 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 302 int64_t count, Error **errp) 303 { 304 GuestFileRead *read_data = NULL; 305 guchar *buf; 306 HANDLE fh; 307 bool is_ok; 308 DWORD read_count; 309 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 310 311 if (!gfh) { 312 return NULL; 313 } 314 if (!has_count) { 315 count = QGA_READ_COUNT_DEFAULT; 316 } else if (count < 0) { 317 error_setg(errp, "value '%" PRId64 318 "' is invalid for argument count", count); 319 return NULL; 320 } 321 322 fh = gfh->fh; 323 buf = g_malloc0(count+1); 324 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 325 if (!is_ok) { 326 error_setg_win32(errp, GetLastError(), "failed to read file"); 327 slog("guest-file-read failed, handle %" PRId64, handle); 328 } else { 329 buf[read_count] = 0; 330 read_data = g_new0(GuestFileRead, 1); 331 read_data->count = (size_t)read_count; 332 read_data->eof = read_count == 0; 333 334 if (read_count != 0) { 335 read_data->buf_b64 = g_base64_encode(buf, read_count); 336 } 337 } 338 g_free(buf); 339 340 return read_data; 341 } 342 343 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 344 bool has_count, int64_t count, 345 Error **errp) 346 { 347 GuestFileWrite *write_data = NULL; 348 guchar *buf; 349 gsize buf_len; 350 bool is_ok; 351 DWORD write_count; 352 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 353 HANDLE fh; 354 355 if (!gfh) { 356 return NULL; 357 } 358 fh = gfh->fh; 359 buf = g_base64_decode(buf_b64, &buf_len); 360 361 if (!has_count) { 362 count = buf_len; 363 } else if (count < 0 || count > buf_len) { 364 error_setg(errp, "value '%" PRId64 365 "' is invalid for argument count", count); 366 goto done; 367 } 368 369 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 370 if (!is_ok) { 371 error_setg_win32(errp, GetLastError(), "failed to write to file"); 372 slog("guest-file-write-failed, handle: %" PRId64, handle); 373 } else { 374 write_data = g_new0(GuestFileWrite, 1); 375 write_data->count = (size_t) write_count; 376 } 377 378 done: 379 g_free(buf); 380 return write_data; 381 } 382 383 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 384 int64_t whence, Error **errp) 385 { 386 GuestFileHandle *gfh; 387 GuestFileSeek *seek_data; 388 HANDLE fh; 389 LARGE_INTEGER new_pos, off_pos; 390 off_pos.QuadPart = offset; 391 BOOL res; 392 gfh = guest_file_handle_find(handle, errp); 393 if (!gfh) { 394 return NULL; 395 } 396 397 fh = gfh->fh; 398 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 399 if (!res) { 400 error_setg_win32(errp, GetLastError(), "failed to seek file"); 401 return NULL; 402 } 403 seek_data = g_new0(GuestFileSeek, 1); 404 seek_data->position = new_pos.QuadPart; 405 return seek_data; 406 } 407 408 void qmp_guest_file_flush(int64_t handle, Error **errp) 409 { 410 HANDLE fh; 411 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 412 if (!gfh) { 413 return; 414 } 415 416 fh = gfh->fh; 417 if (!FlushFileBuffers(fh)) { 418 error_setg_win32(errp, GetLastError(), "failed to flush file"); 419 } 420 } 421 422 #ifdef CONFIG_QGA_NTDDSCSI 423 424 static STORAGE_BUS_TYPE win2qemu[] = { 425 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 426 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 427 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 428 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 429 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 430 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 431 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 432 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 433 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 434 #if (_WIN32_WINNT >= 0x0600) 435 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 436 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 437 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 438 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 439 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 440 #endif 441 #if (_WIN32_WINNT >= 0x0601) 442 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 443 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 444 #endif 445 }; 446 447 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 448 { 449 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 450 return GUEST_DISK_BUS_TYPE_UNKNOWN; 451 } 452 return win2qemu[(int)bus]; 453 } 454 455 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 456 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 457 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 458 459 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 460 { 461 HDEVINFO dev_info; 462 SP_DEVINFO_DATA dev_info_data; 463 DWORD size = 0; 464 int i; 465 char dev_name[MAX_PATH]; 466 char *buffer = NULL; 467 GuestPCIAddress *pci = NULL; 468 char *name = g_strdup(&guid[4]); 469 470 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 471 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 472 goto out; 473 } 474 475 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 476 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 477 if (dev_info == INVALID_HANDLE_VALUE) { 478 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 479 goto out; 480 } 481 482 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 483 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 484 DWORD addr, bus, slot, func, dev, data, size2; 485 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 486 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 487 &data, (PBYTE)buffer, size, 488 &size2)) { 489 size = MAX(size, size2); 490 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 491 g_free(buffer); 492 /* Double the size to avoid problems on 493 * W2k MBCS systems per KB 888609. 494 * https://support.microsoft.com/en-us/kb/259695 */ 495 buffer = g_malloc(size * 2); 496 } else { 497 error_setg_win32(errp, GetLastError(), 498 "failed to get device name"); 499 goto out; 500 } 501 } 502 503 if (g_strcmp0(buffer, dev_name)) { 504 continue; 505 } 506 507 /* There is no need to allocate buffer in the next functions. The size 508 * is known and ULONG according to 509 * https://support.microsoft.com/en-us/kb/253232 510 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 511 */ 512 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 513 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 514 break; 515 } 516 517 /* The function retrieves the device's address. This value will be 518 * transformed into device function and number */ 519 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 520 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 521 break; 522 } 523 524 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 525 * This number is typically a user-perceived slot number. */ 526 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 527 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 528 break; 529 } 530 531 /* SetupApi gives us the same information as driver with 532 * IoGetDeviceProperty. According to Microsoft 533 * https://support.microsoft.com/en-us/kb/253232 534 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 535 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 536 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 537 538 func = addr & 0x0000FFFF; 539 dev = (addr >> 16) & 0x0000FFFF; 540 pci = g_malloc0(sizeof(*pci)); 541 pci->domain = dev; 542 pci->slot = slot; 543 pci->function = func; 544 pci->bus = bus; 545 break; 546 } 547 out: 548 g_free(buffer); 549 g_free(name); 550 return pci; 551 } 552 553 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 554 { 555 STORAGE_PROPERTY_QUERY query; 556 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 557 DWORD received; 558 559 dev_desc = &buf; 560 dev_desc->Size = sizeof(buf); 561 query.PropertyId = StorageDeviceProperty; 562 query.QueryType = PropertyStandardQuery; 563 564 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 565 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 566 dev_desc->Size, &received, NULL)) { 567 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 568 return -1; 569 } 570 571 return dev_desc->BusType; 572 } 573 574 /* VSS provider works with volumes, thus there is no difference if 575 * the volume consist of spanned disks. Info about the first disk in the 576 * volume is returned for the spanned disk group (LVM) */ 577 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 578 { 579 GuestDiskAddressList *list = NULL; 580 GuestDiskAddress *disk; 581 SCSI_ADDRESS addr, *scsi_ad; 582 DWORD len; 583 int bus; 584 HANDLE vol_h; 585 586 scsi_ad = &addr; 587 char *name = g_strndup(guid, strlen(guid)-1); 588 589 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 590 0, NULL); 591 if (vol_h == INVALID_HANDLE_VALUE) { 592 error_setg_win32(errp, GetLastError(), "failed to open volume"); 593 goto out_free; 594 } 595 596 bus = get_disk_bus_type(vol_h, errp); 597 if (bus < 0) { 598 goto out_close; 599 } 600 601 disk = g_malloc0(sizeof(*disk)); 602 disk->bus_type = find_bus_type(bus); 603 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 604 #if (_WIN32_WINNT >= 0x0600) 605 /* This bus type is not supported before Windows Server 2003 SP1 */ 606 || bus == BusTypeSas 607 #endif 608 ) { 609 /* We are able to use the same ioctls for different bus types 610 * according to Microsoft docs 611 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 612 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 613 sizeof(SCSI_ADDRESS), &len, NULL)) { 614 disk->unit = addr.Lun; 615 disk->target = addr.TargetId; 616 disk->bus = addr.PathId; 617 disk->pci_controller = get_pci_info(name, errp); 618 } 619 /* We do not set error in this case, because we still have enough 620 * information about volume. */ 621 } else { 622 disk->pci_controller = NULL; 623 } 624 625 list = g_malloc0(sizeof(*list)); 626 list->value = disk; 627 list->next = NULL; 628 out_close: 629 CloseHandle(vol_h); 630 out_free: 631 g_free(name); 632 return list; 633 } 634 635 #else 636 637 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 638 { 639 return NULL; 640 } 641 642 #endif /* CONFIG_QGA_NTDDSCSI */ 643 644 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 645 { 646 DWORD info_size; 647 char mnt, *mnt_point; 648 char fs_name[32]; 649 char vol_info[MAX_PATH+1]; 650 size_t len; 651 GuestFilesystemInfo *fs = NULL; 652 653 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 654 if (GetLastError() != ERROR_MORE_DATA) { 655 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 656 return NULL; 657 } 658 659 mnt_point = g_malloc(info_size + 1); 660 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 661 &info_size)) { 662 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 663 goto free; 664 } 665 666 len = strlen(mnt_point); 667 mnt_point[len] = '\\'; 668 mnt_point[len+1] = 0; 669 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 670 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 671 if (GetLastError() != ERROR_NOT_READY) { 672 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 673 } 674 goto free; 675 } 676 677 fs_name[sizeof(fs_name) - 1] = 0; 678 fs = g_malloc(sizeof(*fs)); 679 fs->name = g_strdup(guid); 680 if (len == 0) { 681 fs->mountpoint = g_strdup("System Reserved"); 682 } else { 683 fs->mountpoint = g_strndup(mnt_point, len); 684 } 685 fs->type = g_strdup(fs_name); 686 fs->disk = build_guest_disk_info(guid, errp); 687 free: 688 g_free(mnt_point); 689 return fs; 690 } 691 692 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 693 { 694 HANDLE vol_h; 695 GuestFilesystemInfoList *new, *ret = NULL; 696 char guid[256]; 697 698 vol_h = FindFirstVolume(guid, sizeof(guid)); 699 if (vol_h == INVALID_HANDLE_VALUE) { 700 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 701 return NULL; 702 } 703 704 do { 705 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 706 if (info == NULL) { 707 continue; 708 } 709 new = g_malloc(sizeof(*ret)); 710 new->value = info; 711 new->next = ret; 712 ret = new; 713 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 714 715 if (GetLastError() != ERROR_NO_MORE_FILES) { 716 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 717 } 718 719 FindVolumeClose(vol_h); 720 return ret; 721 } 722 723 /* 724 * Return status of freeze/thaw 725 */ 726 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 727 { 728 if (!vss_initialized()) { 729 error_setg(errp, QERR_UNSUPPORTED); 730 return 0; 731 } 732 733 if (ga_is_frozen(ga_state)) { 734 return GUEST_FSFREEZE_STATUS_FROZEN; 735 } 736 737 return GUEST_FSFREEZE_STATUS_THAWED; 738 } 739 740 /* 741 * Freeze local file systems using Volume Shadow-copy Service. 742 * The frozen state is limited for up to 10 seconds by VSS. 743 */ 744 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 745 { 746 int i; 747 Error *local_err = NULL; 748 749 if (!vss_initialized()) { 750 error_setg(errp, QERR_UNSUPPORTED); 751 return 0; 752 } 753 754 slog("guest-fsfreeze called"); 755 756 /* cannot risk guest agent blocking itself on a write in this state */ 757 ga_set_frozen(ga_state); 758 759 qga_vss_fsfreeze(&i, &local_err, true); 760 if (local_err) { 761 error_propagate(errp, local_err); 762 goto error; 763 } 764 765 return i; 766 767 error: 768 local_err = NULL; 769 qmp_guest_fsfreeze_thaw(&local_err); 770 if (local_err) { 771 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 772 error_free(local_err); 773 } 774 return 0; 775 } 776 777 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 778 strList *mountpoints, 779 Error **errp) 780 { 781 error_setg(errp, QERR_UNSUPPORTED); 782 783 return 0; 784 } 785 786 /* 787 * Thaw local file systems using Volume Shadow-copy Service. 788 */ 789 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 790 { 791 int i; 792 793 if (!vss_initialized()) { 794 error_setg(errp, QERR_UNSUPPORTED); 795 return 0; 796 } 797 798 qga_vss_fsfreeze(&i, errp, false); 799 800 ga_unset_frozen(ga_state); 801 return i; 802 } 803 804 static void guest_fsfreeze_cleanup(void) 805 { 806 Error *err = NULL; 807 808 if (!vss_initialized()) { 809 return; 810 } 811 812 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 813 qmp_guest_fsfreeze_thaw(&err); 814 if (err) { 815 slog("failed to clean up frozen filesystems: %s", 816 error_get_pretty(err)); 817 error_free(err); 818 } 819 } 820 821 vss_deinit(true); 822 } 823 824 /* 825 * Walk list of mounted file systems in the guest, and discard unused 826 * areas. 827 */ 828 GuestFilesystemTrimResponse * 829 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 830 { 831 error_setg(errp, QERR_UNSUPPORTED); 832 return NULL; 833 } 834 835 typedef enum { 836 GUEST_SUSPEND_MODE_DISK, 837 GUEST_SUSPEND_MODE_RAM 838 } GuestSuspendMode; 839 840 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 841 { 842 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 843 Error *local_err = NULL; 844 845 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 846 if (!GetPwrCapabilities(&sys_pwr_caps)) { 847 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 848 "failed to determine guest suspend capabilities"); 849 goto out; 850 } 851 852 switch (mode) { 853 case GUEST_SUSPEND_MODE_DISK: 854 if (!sys_pwr_caps.SystemS4) { 855 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 856 "suspend-to-disk not supported by OS"); 857 } 858 break; 859 case GUEST_SUSPEND_MODE_RAM: 860 if (!sys_pwr_caps.SystemS3) { 861 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 862 "suspend-to-ram not supported by OS"); 863 } 864 break; 865 default: 866 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 867 "GuestSuspendMode"); 868 } 869 870 out: 871 if (local_err) { 872 error_propagate(errp, local_err); 873 } 874 } 875 876 static DWORD WINAPI do_suspend(LPVOID opaque) 877 { 878 GuestSuspendMode *mode = opaque; 879 DWORD ret = 0; 880 881 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 882 slog("failed to suspend guest, %lu", GetLastError()); 883 ret = -1; 884 } 885 g_free(mode); 886 return ret; 887 } 888 889 void qmp_guest_suspend_disk(Error **errp) 890 { 891 Error *local_err = NULL; 892 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 893 894 *mode = GUEST_SUSPEND_MODE_DISK; 895 check_suspend_mode(*mode, &local_err); 896 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 897 execute_async(do_suspend, mode, &local_err); 898 899 if (local_err) { 900 error_propagate(errp, local_err); 901 g_free(mode); 902 } 903 } 904 905 void qmp_guest_suspend_ram(Error **errp) 906 { 907 Error *local_err = NULL; 908 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 909 910 *mode = GUEST_SUSPEND_MODE_RAM; 911 check_suspend_mode(*mode, &local_err); 912 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 913 execute_async(do_suspend, mode, &local_err); 914 915 if (local_err) { 916 error_propagate(errp, local_err); 917 g_free(mode); 918 } 919 } 920 921 void qmp_guest_suspend_hybrid(Error **errp) 922 { 923 error_setg(errp, QERR_UNSUPPORTED); 924 } 925 926 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 927 { 928 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 929 ULONG adptr_addrs_len = 0; 930 DWORD ret; 931 932 /* Call the first time to get the adptr_addrs_len. */ 933 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 934 NULL, adptr_addrs, &adptr_addrs_len); 935 936 adptr_addrs = g_malloc(adptr_addrs_len); 937 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 938 NULL, adptr_addrs, &adptr_addrs_len); 939 if (ret != ERROR_SUCCESS) { 940 error_setg_win32(errp, ret, "failed to get adapters addresses"); 941 g_free(adptr_addrs); 942 adptr_addrs = NULL; 943 } 944 return adptr_addrs; 945 } 946 947 static char *guest_wctomb_dup(WCHAR *wstr) 948 { 949 char *str; 950 size_t i; 951 952 i = wcslen(wstr) + 1; 953 str = g_malloc(i); 954 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 955 wstr, -1, str, i, NULL, NULL); 956 return str; 957 } 958 959 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 960 Error **errp) 961 { 962 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 963 DWORD len; 964 int ret; 965 966 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 967 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 968 len = sizeof(addr_str); 969 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 970 ip_addr->Address.iSockaddrLength, 971 NULL, 972 addr_str, 973 &len); 974 if (ret != 0) { 975 error_setg_win32(errp, WSAGetLastError(), 976 "failed address presentation form conversion"); 977 return NULL; 978 } 979 return g_strdup(addr_str); 980 } 981 return NULL; 982 } 983 984 #if (_WIN32_WINNT >= 0x0600) 985 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 986 { 987 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 988 * field to obtain the prefix. 989 */ 990 return ip_addr->OnLinkPrefixLength; 991 } 992 #else 993 /* When using the Windows XP and 2003 build environment, do the best we can to 994 * figure out the prefix. 995 */ 996 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 997 { 998 IP_ADAPTER_INFO *adptr_info = NULL; 999 ULONG adptr_info_len = 0; 1000 DWORD ret; 1001 1002 /* Call the first time to get the adptr_info_len. */ 1003 GetAdaptersInfo(adptr_info, &adptr_info_len); 1004 1005 adptr_info = g_malloc(adptr_info_len); 1006 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1007 if (ret != ERROR_SUCCESS) { 1008 g_free(adptr_info); 1009 adptr_info = NULL; 1010 } 1011 return adptr_info; 1012 } 1013 1014 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1015 { 1016 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1017 IP_ADAPTER_INFO *adptr_info, *info; 1018 IP_ADDR_STRING *ip; 1019 struct in_addr *p; 1020 1021 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1022 return prefix; 1023 } 1024 adptr_info = guest_get_adapters_info(); 1025 if (adptr_info == NULL) { 1026 return prefix; 1027 } 1028 1029 /* Match up the passed in ip_addr with one found in adaptr_info. 1030 * The matching one in adptr_info will have the netmask. 1031 */ 1032 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1033 for (info = adptr_info; info; info = info->Next) { 1034 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1035 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1036 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1037 goto out; 1038 } 1039 } 1040 } 1041 out: 1042 g_free(adptr_info); 1043 return prefix; 1044 } 1045 #endif 1046 1047 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1048 { 1049 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1050 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1051 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1052 GuestIpAddressList *head_addr, *cur_addr; 1053 GuestNetworkInterfaceList *info; 1054 GuestIpAddressList *address_item = NULL; 1055 unsigned char *mac_addr; 1056 char *addr_str; 1057 WORD wsa_version; 1058 WSADATA wsa_data; 1059 int ret; 1060 1061 adptr_addrs = guest_get_adapters_addresses(errp); 1062 if (adptr_addrs == NULL) { 1063 return NULL; 1064 } 1065 1066 /* Make WSA APIs available. */ 1067 wsa_version = MAKEWORD(2, 2); 1068 ret = WSAStartup(wsa_version, &wsa_data); 1069 if (ret != 0) { 1070 error_setg_win32(errp, ret, "failed socket startup"); 1071 goto out; 1072 } 1073 1074 for (addr = adptr_addrs; addr; addr = addr->Next) { 1075 info = g_malloc0(sizeof(*info)); 1076 1077 if (cur_item == NULL) { 1078 head = cur_item = info; 1079 } else { 1080 cur_item->next = info; 1081 cur_item = info; 1082 } 1083 1084 info->value = g_malloc0(sizeof(*info->value)); 1085 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1086 1087 if (addr->PhysicalAddressLength != 0) { 1088 mac_addr = addr->PhysicalAddress; 1089 1090 info->value->hardware_address = 1091 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1092 (int) mac_addr[0], (int) mac_addr[1], 1093 (int) mac_addr[2], (int) mac_addr[3], 1094 (int) mac_addr[4], (int) mac_addr[5]); 1095 1096 info->value->has_hardware_address = true; 1097 } 1098 1099 head_addr = NULL; 1100 cur_addr = NULL; 1101 for (ip_addr = addr->FirstUnicastAddress; 1102 ip_addr; 1103 ip_addr = ip_addr->Next) { 1104 addr_str = guest_addr_to_str(ip_addr, errp); 1105 if (addr_str == NULL) { 1106 continue; 1107 } 1108 1109 address_item = g_malloc0(sizeof(*address_item)); 1110 1111 if (!cur_addr) { 1112 head_addr = cur_addr = address_item; 1113 } else { 1114 cur_addr->next = address_item; 1115 cur_addr = address_item; 1116 } 1117 1118 address_item->value = g_malloc0(sizeof(*address_item->value)); 1119 address_item->value->ip_address = addr_str; 1120 address_item->value->prefix = guest_ip_prefix(ip_addr); 1121 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1122 address_item->value->ip_address_type = 1123 GUEST_IP_ADDRESS_TYPE_IPV4; 1124 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1125 address_item->value->ip_address_type = 1126 GUEST_IP_ADDRESS_TYPE_IPV6; 1127 } 1128 } 1129 if (head_addr) { 1130 info->value->has_ip_addresses = true; 1131 info->value->ip_addresses = head_addr; 1132 } 1133 } 1134 WSACleanup(); 1135 out: 1136 g_free(adptr_addrs); 1137 return head; 1138 } 1139 1140 int64_t qmp_guest_get_time(Error **errp) 1141 { 1142 SYSTEMTIME ts = {0}; 1143 int64_t time_ns; 1144 FILETIME tf; 1145 1146 GetSystemTime(&ts); 1147 if (ts.wYear < 1601 || ts.wYear > 30827) { 1148 error_setg(errp, "Failed to get time"); 1149 return -1; 1150 } 1151 1152 if (!SystemTimeToFileTime(&ts, &tf)) { 1153 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1154 return -1; 1155 } 1156 1157 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1158 - W32_FT_OFFSET) * 100; 1159 1160 return time_ns; 1161 } 1162 1163 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1164 { 1165 Error *local_err = NULL; 1166 SYSTEMTIME ts; 1167 FILETIME tf; 1168 LONGLONG time; 1169 1170 if (!has_time) { 1171 /* Unfortunately, Windows libraries don't provide an easy way to access 1172 * RTC yet: 1173 * 1174 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1175 */ 1176 error_setg(errp, "Time argument is required on this platform"); 1177 return; 1178 } 1179 1180 /* Validate time passed by user. */ 1181 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1182 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1183 return; 1184 } 1185 1186 time = time_ns / 100 + W32_FT_OFFSET; 1187 1188 tf.dwLowDateTime = (DWORD) time; 1189 tf.dwHighDateTime = (DWORD) (time >> 32); 1190 1191 if (!FileTimeToSystemTime(&tf, &ts)) { 1192 error_setg(errp, "Failed to convert system time %d", 1193 (int)GetLastError()); 1194 return; 1195 } 1196 1197 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1198 if (local_err) { 1199 error_propagate(errp, local_err); 1200 return; 1201 } 1202 1203 if (!SetSystemTime(&ts)) { 1204 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1205 return; 1206 } 1207 } 1208 1209 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1210 { 1211 error_setg(errp, QERR_UNSUPPORTED); 1212 return NULL; 1213 } 1214 1215 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1216 { 1217 error_setg(errp, QERR_UNSUPPORTED); 1218 return -1; 1219 } 1220 1221 static gchar * 1222 get_net_error_message(gint error) 1223 { 1224 HMODULE module = NULL; 1225 gchar *retval = NULL; 1226 wchar_t *msg = NULL; 1227 int flags, nchars; 1228 1229 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER 1230 |FORMAT_MESSAGE_IGNORE_INSERTS 1231 |FORMAT_MESSAGE_FROM_SYSTEM; 1232 1233 if (error >= NERR_BASE && error <= MAX_NERR) { 1234 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1235 1236 if (module != NULL) { 1237 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1238 } 1239 } 1240 1241 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1242 1243 if (msg != NULL) { 1244 nchars = wcslen(msg); 1245 1246 if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') { 1247 msg[nchars-2] = '\0'; 1248 } 1249 1250 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1251 1252 LocalFree(msg); 1253 } 1254 1255 if (module != NULL) { 1256 FreeLibrary(module); 1257 } 1258 1259 return retval; 1260 } 1261 1262 void qmp_guest_set_user_password(const char *username, 1263 const char *password, 1264 bool crypted, 1265 Error **errp) 1266 { 1267 NET_API_STATUS nas; 1268 char *rawpasswddata = NULL; 1269 size_t rawpasswdlen; 1270 wchar_t *user, *wpass; 1271 USER_INFO_1003 pi1003 = { 0, }; 1272 1273 if (crypted) { 1274 error_setg(errp, QERR_UNSUPPORTED); 1275 return; 1276 } 1277 1278 rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen); 1279 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1280 rawpasswddata[rawpasswdlen] = '\0'; 1281 1282 user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL); 1283 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL); 1284 1285 pi1003.usri1003_password = wpass; 1286 nas = NetUserSetInfo(NULL, user, 1287 1003, (LPBYTE)&pi1003, 1288 NULL); 1289 1290 if (nas != NERR_Success) { 1291 gchar *msg = get_net_error_message(nas); 1292 error_setg(errp, "failed to set password: %s", msg); 1293 g_free(msg); 1294 } 1295 1296 g_free(user); 1297 g_free(wpass); 1298 g_free(rawpasswddata); 1299 } 1300 1301 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1302 { 1303 error_setg(errp, QERR_UNSUPPORTED); 1304 return NULL; 1305 } 1306 1307 GuestMemoryBlockResponseList * 1308 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1309 { 1310 error_setg(errp, QERR_UNSUPPORTED); 1311 return NULL; 1312 } 1313 1314 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1315 { 1316 error_setg(errp, QERR_UNSUPPORTED); 1317 return NULL; 1318 } 1319 1320 /* add unsupported commands to the blacklist */ 1321 GList *ga_command_blacklist_init(GList *blacklist) 1322 { 1323 const char *list_unsupported[] = { 1324 "guest-suspend-hybrid", 1325 "guest-get-vcpus", "guest-set-vcpus", 1326 "guest-get-memory-blocks", "guest-set-memory-blocks", 1327 "guest-get-memory-block-size", 1328 "guest-fsfreeze-freeze-list", 1329 "guest-fstrim", NULL}; 1330 char **p = (char **)list_unsupported; 1331 1332 while (*p) { 1333 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1334 } 1335 1336 if (!vss_init(true)) { 1337 g_debug("vss_init failed, vss commands are going to be disabled"); 1338 const char *list[] = { 1339 "guest-get-fsinfo", "guest-fsfreeze-status", 1340 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1341 p = (char **)list; 1342 1343 while (*p) { 1344 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1345 } 1346 } 1347 1348 return blacklist; 1349 } 1350 1351 /* register init/cleanup routines for stateful command groups */ 1352 void ga_command_state_init(GAState *s, GACommandState *cs) 1353 { 1354 if (!vss_initialized()) { 1355 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1356 } 1357 } 1358