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Commit | Line | Data |
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d8ca685a MR |
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> | |
aa59637e | 8 | * Gal Hammer <ghammer@redhat.com> |
d8ca685a MR |
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 | */ | |
4459bf38 | 13 | #include "qemu/osdep.h" |
56cdca1d | 14 | |
aa59637e GH |
15 | #include <wtypes.h> |
16 | #include <powrprof.h> | |
d6c5528b KA |
17 | #include <winsock2.h> |
18 | #include <ws2tcpip.h> | |
19 | #include <iptypes.h> | |
20 | #include <iphlpapi.h> | |
a3ef3b22 OK |
21 | #ifdef CONFIG_QGA_NTDDSCSI |
22 | #include <winioctl.h> | |
23 | #include <ntddscsi.h> | |
2e4211ce | 24 | #endif |
c54e1eb4 | 25 | #include <setupapi.h> |
996b9cdc | 26 | #include <cfgmgr32.h> |
c54e1eb4 | 27 | #include <initguid.h> |
2e4211ce | 28 | #include <devpropdef.h> |
259434b8 | 29 | #include <lm.h> |
161a56a9 | 30 | #include <wtsapi32.h> |
105fad6b | 31 | #include <wininet.h> |
259434b8 | 32 | |
dc03272d MT |
33 | #include "guest-agent-core.h" |
34 | #include "vss-win32.h" | |
eb815e24 | 35 | #include "qga-qapi-commands.h" |
e688df6b | 36 | #include "qapi/error.h" |
7b1b5d19 | 37 | #include "qapi/qmp/qerror.h" |
fa193594 | 38 | #include "qemu/queue.h" |
d6c5528b | 39 | #include "qemu/host-utils.h" |
920639ca | 40 | #include "qemu/base64.h" |
5d3586b8 | 41 | #include "commands-common.h" |
d8ca685a | 42 | |
2e4211ce TG |
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 | ||
546b60d0 MR |
73 | #ifndef SHTDN_REASON_FLAG_PLANNED |
74 | #define SHTDN_REASON_FLAG_PLANNED 0x80000000 | |
75 | #endif | |
76 | ||
3f2a6087 LL |
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 | ||
fa193594 OK |
83 | #define INVALID_SET_FILE_POINTER ((DWORD)-1) |
84 | ||
5d3586b8 | 85 | struct GuestFileHandle { |
fa193594 OK |
86 | int64_t id; |
87 | HANDLE fh; | |
88 | QTAILQ_ENTRY(GuestFileHandle) next; | |
5d3586b8 | 89 | }; |
fa193594 OK |
90 | |
91 | static struct { | |
92 | QTAILQ_HEAD(, GuestFileHandle) filehandles; | |
b4fe97c8 DL |
93 | } guest_file_state = { |
94 | .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), | |
95 | }; | |
fa193594 | 96 | |
52074d0f | 97 | #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) |
fa193594 OK |
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[] = { | |
52074d0f KA |
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 } | |
fa193594 OK |
119 | }; |
120 | ||
222682ab TG |
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 | ||
fa193594 OK |
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 | } | |
f3a06403 | 153 | gfh = g_new0(GuestFileHandle, 1); |
fa193594 OK |
154 | gfh->id = handle; |
155 | gfh->fh = fh; | |
156 | QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); | |
157 | ||
158 | return handle; | |
159 | } | |
160 | ||
5d3586b8 | 161 | GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) |
fa193594 OK |
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 | ||
fb687773 OK |
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 | ||
fa193594 OK |
195 | int64_t qmp_guest_file_open(const char *path, bool has_mode, |
196 | const char *mode, Error **errp) | |
197 | { | |
bad0227d | 198 | int64_t fd = -1; |
fa193594 OK |
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; | |
bad0227d JR |
205 | GError *gerr = NULL; |
206 | wchar_t *w_path = NULL; | |
fa193594 OK |
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"); | |
bad0227d JR |
215 | goto done; |
216 | } | |
217 | ||
218 | w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr); | |
219 | if (!w_path) { | |
220 | goto done; | |
fa193594 OK |
221 | } |
222 | ||
bad0227d | 223 | fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr, |
fa193594 OK |
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); | |
bad0227d | 229 | goto done; |
fa193594 OK |
230 | } |
231 | ||
fb687773 OK |
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 | ||
fa193594 OK |
237 | fd = guest_file_handle_add(fh, errp); |
238 | if (fd < 0) { | |
c87d0964 | 239 | CloseHandle(fh); |
fa193594 | 240 | error_setg(errp, "failed to add handle to qmp handle table"); |
bad0227d | 241 | goto done; |
fa193594 OK |
242 | } |
243 | ||
244 | slog("guest-file-open, handle: % " PRId64, fd); | |
bad0227d JR |
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); | |
fa193594 OK |
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 | ||
77dbc81b | 273 | static void acquire_privilege(const char *name, Error **errp) |
d8ca685a | 274 | { |
374044f0 | 275 | HANDLE token = NULL; |
546b60d0 | 276 | TOKEN_PRIVILEGES priv; |
aa59637e GH |
277 | Error *local_err = NULL; |
278 | ||
aa59637e GH |
279 | if (OpenProcessToken(GetCurrentProcess(), |
280 | TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) | |
281 | { | |
282 | if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { | |
c6bd8c70 MA |
283 | error_setg(&local_err, QERR_QGA_COMMAND_FAILED, |
284 | "no luid for requested privilege"); | |
aa59637e GH |
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)) { | |
c6bd8c70 MA |
292 | error_setg(&local_err, QERR_QGA_COMMAND_FAILED, |
293 | "unable to acquire requested privilege"); | |
aa59637e GH |
294 | goto out; |
295 | } | |
296 | ||
aa59637e | 297 | } else { |
c6bd8c70 MA |
298 | error_setg(&local_err, QERR_QGA_COMMAND_FAILED, |
299 | "failed to open privilege token"); | |
aa59637e GH |
300 | } |
301 | ||
302 | out: | |
374044f0 GA |
303 | if (token) { |
304 | CloseHandle(token); | |
305 | } | |
621ff94d | 306 | error_propagate(errp, local_err); |
aa59637e GH |
307 | } |
308 | ||
77dbc81b MA |
309 | static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, |
310 | Error **errp) | |
aa59637e | 311 | { |
aa59637e GH |
312 | HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); |
313 | if (!thread) { | |
dcfe4805 | 314 | error_setg(errp, QERR_QGA_COMMAND_FAILED, |
c6bd8c70 | 315 | "failed to dispatch asynchronous command"); |
aa59637e GH |
316 | } |
317 | } | |
318 | ||
77dbc81b | 319 | void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) |
aa59637e | 320 | { |
0f230bf7 | 321 | Error *local_err = NULL; |
546b60d0 MR |
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 { | |
c6bd8c70 MA |
333 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", |
334 | "halt|powerdown|reboot"); | |
546b60d0 MR |
335 | return; |
336 | } | |
337 | ||
338 | /* Request a shutdown privilege, but try to shut down the system | |
339 | anyway. */ | |
0f230bf7 MA |
340 | acquire_privilege(SE_SHUTDOWN_NAME, &local_err); |
341 | if (local_err) { | |
342 | error_propagate(errp, local_err); | |
aa59637e | 343 | return; |
546b60d0 MR |
344 | } |
345 | ||
346 | if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { | |
672db778 PMD |
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"); | |
546b60d0 | 350 | } |
d8ca685a MR |
351 | } |
352 | ||
ead83a13 PMD |
353 | GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh, |
354 | int64_t count, Error **errp) | |
d8ca685a | 355 | { |
fa193594 OK |
356 | GuestFileRead *read_data = NULL; |
357 | guchar *buf; | |
ead83a13 | 358 | HANDLE fh = gfh->fh; |
fa193594 OK |
359 | bool is_ok; |
360 | DWORD read_count; | |
fa193594 | 361 | |
f62ebb63 | 362 | buf = g_malloc0(count + 1); |
fa193594 OK |
363 | is_ok = ReadFile(fh, buf, count, &read_count, NULL); |
364 | if (!is_ok) { | |
365 | error_setg_win32(errp, GetLastError(), "failed to read file"); | |
fa193594 OK |
366 | } else { |
367 | buf[read_count] = 0; | |
f3a06403 | 368 | read_data = g_new0(GuestFileRead, 1); |
fa193594 OK |
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; | |
d8ca685a MR |
379 | } |
380 | ||
381 | GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, | |
77dbc81b MA |
382 | bool has_count, int64_t count, |
383 | Error **errp) | |
d8ca685a | 384 | { |
fa193594 OK |
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; | |
920639ca DB |
397 | buf = qbase64_decode(buf_b64, -1, &buf_len, errp); |
398 | if (!buf) { | |
399 | return NULL; | |
400 | } | |
fa193594 OK |
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 { | |
f3a06403 | 415 | write_data = g_new0(GuestFileWrite, 1); |
fa193594 OK |
416 | write_data->count = (size_t) write_count; |
417 | } | |
418 | ||
419 | done: | |
420 | g_free(buf); | |
421 | return write_data; | |
d8ca685a MR |
422 | } |
423 | ||
424 | GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, | |
0b4b4938 EB |
425 | GuestFileWhence *whence_code, |
426 | Error **errp) | |
d8ca685a | 427 | { |
fa193594 OK |
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; | |
0a982b1b | 434 | int whence; |
0b4b4938 | 435 | Error *err = NULL; |
0a982b1b | 436 | |
fa193594 OK |
437 | gfh = guest_file_handle_find(handle, errp); |
438 | if (!gfh) { | |
439 | return NULL; | |
440 | } | |
441 | ||
0a982b1b | 442 | /* We stupidly exposed 'whence':'int' in our qapi */ |
0b4b4938 EB |
443 | whence = ga_parse_whence(whence_code, &err); |
444 | if (err) { | |
445 | error_propagate(errp, err); | |
0a982b1b EB |
446 | return NULL; |
447 | } | |
448 | ||
fa193594 OK |
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; | |
d8ca685a MR |
458 | } |
459 | ||
77dbc81b | 460 | void qmp_guest_file_flush(int64_t handle, Error **errp) |
d8ca685a | 461 | { |
fa193594 OK |
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 | ||
a3ef3b22 OK |
474 | #ifdef CONFIG_QGA_NTDDSCSI |
475 | ||
8ac65578 | 476 | static GuestDiskBusType win2qemu[] = { |
a3ef3b22 OK |
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, | |
a3ef3b22 OK |
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, | |
a3ef3b22 OK |
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 | { | |
d9c85b6c | 499 | if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) { |
a3ef3b22 OK |
500 | return GUEST_DISK_BUS_TYPE_UNKNOWN; |
501 | } | |
502 | return win2qemu[(int)bus]; | |
503 | } | |
504 | ||
b1ba8890 TG |
505 | DEFINE_GUID(GUID_DEVINTERFACE_DISK, |
506 | 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, | |
507 | 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); | |
996b9cdc MH |
508 | DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT, |
509 | 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82, | |
510 | 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); | |
b1ba8890 | 511 | |
996b9cdc | 512 | static GuestPCIAddress *get_pci_info(int number, Error **errp) |
a3ef3b22 | 513 | { |
c54e1eb4 MR |
514 | HDEVINFO dev_info; |
515 | SP_DEVINFO_DATA dev_info_data; | |
996b9cdc MH |
516 | SP_DEVICE_INTERFACE_DATA dev_iface_data; |
517 | HANDLE dev_file; | |
c54e1eb4 | 518 | int i; |
c54e1eb4 | 519 | GuestPCIAddress *pci = NULL; |
6880b94f | 520 | bool partial_pci = false; |
996b9cdc | 521 | |
0d7f937e SJ |
522 | pci = g_malloc0(sizeof(*pci)); |
523 | pci->domain = -1; | |
524 | pci->slot = -1; | |
525 | pci->function = -1; | |
526 | pci->bus = -1; | |
c54e1eb4 | 527 | |
b1ba8890 | 528 | dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, |
c54e1eb4 MR |
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 | ||
222682ab | 535 | g_debug("enumerating devices"); |
c54e1eb4 | 536 | dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); |
996b9cdc | 537 | dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); |
c54e1eb4 | 538 | for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { |
996b9cdc MH |
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); | |
c54e1eb4 | 574 | error_setg_win32(errp, GetLastError(), |
996b9cdc | 575 | "failed to get device slot number"); |
9bd8e933 | 576 | goto free_dev_info; |
c54e1eb4 | 577 | } |
c54e1eb4 | 578 | |
996b9cdc MH |
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; | |
c54e1eb4 MR |
587 | } |
588 | ||
996b9cdc MH |
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 | } | |
c54e1eb4 MR |
649 | } |
650 | ||
996b9cdc MH |
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; | |
c54e1eb4 MR |
662 | } |
663 | ||
996b9cdc MH |
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; | |
c54e1eb4 MR |
669 | } |
670 | ||
996b9cdc MH |
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 | } | |
6880b94f | 743 | } |
996b9cdc | 744 | SetupDiDestroyDeviceInfoList(parent_dev_info); |
c54e1eb4 MR |
745 | break; |
746 | } | |
9bd8e933 LP |
747 | |
748 | free_dev_info: | |
749 | SetupDiDestroyDeviceInfoList(dev_info); | |
c54e1eb4 | 750 | out: |
c54e1eb4 | 751 | return pci; |
a3ef3b22 OK |
752 | } |
753 | ||
c76d70f4 TG |
754 | static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk, |
755 | Error **errp) | |
a3ef3b22 OK |
756 | { |
757 | STORAGE_PROPERTY_QUERY query; | |
758 | STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; | |
759 | DWORD received; | |
c76d70f4 | 760 | ULONG size = sizeof(buf); |
a3ef3b22 OK |
761 | |
762 | dev_desc = &buf; | |
a3ef3b22 OK |
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, | |
c76d70f4 | 768 | size, &received, NULL)) { |
a3ef3b22 | 769 | error_setg_win32(errp, GetLastError(), "failed to get bus type"); |
c76d70f4 | 770 | return; |
a3ef3b22 | 771 | } |
c76d70f4 TG |
772 | disk->bus_type = find_bus_type(dev_desc->BusType); |
773 | g_debug("bus type %d", disk->bus_type); | |
a3ef3b22 | 774 | |
fb08aa70 TG |
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 | ||
c76d70f4 | 805 | return; |
a3ef3b22 OK |
806 | } |
807 | ||
996b9cdc MH |
808 | static void get_single_disk_info(int disk_number, |
809 | GuestDiskAddress *disk, Error **errp) | |
a3ef3b22 | 810 | { |
a3ef3b22 OK |
811 | SCSI_ADDRESS addr, *scsi_ad; |
812 | DWORD len; | |
b1ba8890 | 813 | HANDLE disk_h; |
6880b94f | 814 | Error *local_err = NULL; |
a3ef3b22 OK |
815 | |
816 | scsi_ad = &addr; | |
a3ef3b22 | 817 | |
4550dee8 TG |
818 | g_debug("getting disk info for: %s", disk->dev); |
819 | disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, | |
a3ef3b22 | 820 | 0, NULL); |
b1ba8890 TG |
821 | if (disk_h == INVALID_HANDLE_VALUE) { |
822 | error_setg_win32(errp, GetLastError(), "failed to open disk"); | |
823 | return; | |
a3ef3b22 OK |
824 | } |
825 | ||
b1ba8890 | 826 | get_disk_properties(disk_h, disk, &local_err); |
c76d70f4 TG |
827 | if (local_err) { |
828 | error_propagate(errp, local_err); | |
829 | goto err_close; | |
a3ef3b22 OK |
830 | } |
831 | ||
222682ab | 832 | g_debug("bus type %d", disk->bus_type); |
6880b94f SJ |
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 | */ | |
996b9cdc | 838 | disk->pci_controller = get_pci_info(disk_number, &local_err); |
6880b94f SJ |
839 | if (local_err) { |
840 | error_propagate(errp, local_err); | |
c76d70f4 | 841 | goto err_close; |
6880b94f | 842 | } |
c76d70f4 TG |
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 | |
a3ef3b22 | 846 | /* This bus type is not supported before Windows Server 2003 SP1 */ |
c76d70f4 | 847 | || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS |
a3ef3b22 OK |
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 */ | |
996b9cdc | 852 | g_debug("getting SCSI info"); |
b1ba8890 | 853 | if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, |
a3ef3b22 OK |
854 | sizeof(SCSI_ADDRESS), &len, NULL)) { |
855 | disk->unit = addr.Lun; | |
856 | disk->target = addr.TargetId; | |
857 | disk->bus = addr.PathId; | |
a3ef3b22 OK |
858 | } |
859 | /* We do not set error in this case, because we still have enough | |
860 | * information about volume. */ | |
a3ef3b22 OK |
861 | } |
862 | ||
c76d70f4 | 863 | err_close: |
b1ba8890 | 864 | CloseHandle(disk_h); |
9e65fd65 TG |
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; | |
b1ba8890 TG |
876 | int i; |
877 | HANDLE vol_h; | |
878 | DWORD size; | |
879 | PVOLUME_DISK_EXTENTS extents = NULL; | |
9e65fd65 TG |
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 | ||
b1ba8890 TG |
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"); | |
9e65fd65 TG |
892 | goto out; |
893 | } | |
894 | ||
b1ba8890 TG |
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, | |
996b9cdc | 900 | 0, extents, size, &size, NULL)) { |
b1ba8890 TG |
901 | DWORD last_err = GetLastError(); |
902 | if (last_err == ERROR_MORE_DATA) { | |
903 | /* Try once more with big enough buffer */ | |
b1ba8890 TG |
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"); | |
f898ee0f | 911 | goto out; |
b1ba8890 TG |
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)); | |
4550dee8 TG |
917 | disk->has_dev = true; |
918 | disk->dev = g_strdup(name); | |
996b9cdc | 919 | get_single_disk_info(0xffffffff, disk, &local_err); |
b1ba8890 TG |
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++) { | |
b1ba8890 TG |
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 | */ | |
4550dee8 TG |
951 | disk->has_dev = true; |
952 | disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", | |
996b9cdc | 953 | extents->Extents[i].DiskNumber); |
4550dee8 | 954 | |
996b9cdc | 955 | get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err); |
b1ba8890 TG |
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 | ||
9e65fd65 TG |
967 | |
968 | out: | |
f898ee0f MAL |
969 | if (vol_h != INVALID_HANDLE_VALUE) { |
970 | CloseHandle(vol_h); | |
971 | } | |
9e65fd65 | 972 | qapi_free_GuestDiskAddress(disk); |
b1ba8890 | 973 | g_free(extents); |
c76d70f4 TG |
974 | g_free(name); |
975 | ||
9e65fd65 | 976 | return list; |
a3ef3b22 OK |
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 | ||
d2b3f390 OK |
988 | static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) |
989 | { | |
990 | DWORD info_size; | |
991 | char mnt, *mnt_point; | |
3aaebc0c | 992 | wchar_t wfs_name[32]; |
d2b3f390 | 993 | char fs_name[32]; |
3aaebc0c | 994 | wchar_t vol_info[MAX_PATH + 1]; |
d2b3f390 | 995 | size_t len; |
c07e5e6e | 996 | uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; |
d2b3f390 | 997 | GuestFilesystemInfo *fs = NULL; |
3aaebc0c | 998 | HANDLE hLocalDiskHandle = NULL; |
d2b3f390 OK |
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 | ||
3aaebc0c BS |
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 | ||
d2b3f390 OK |
1021 | len = strlen(mnt_point); |
1022 | mnt_point[len] = '\\'; | |
1023 | mnt_point[len+1] = 0; | |
3aaebc0c BS |
1024 | |
1025 | if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info, | |
1026 | sizeof(vol_info), NULL, NULL, NULL, | |
1027 | (LPWSTR) & wfs_name, sizeof(wfs_name))) { | |
d2b3f390 OK |
1028 | if (GetLastError() != ERROR_NOT_READY) { |
1029 | error_setg_win32(errp, GetLastError(), "failed to get volume info"); | |
1030 | } | |
1031 | goto free; | |
1032 | } | |
1033 | ||
d2b3f390 OK |
1034 | fs = g_malloc(sizeof(*fs)); |
1035 | fs->name = g_strdup(guid); | |
c07e5e6e CH |
1036 | fs->has_total_bytes = false; |
1037 | fs->has_used_bytes = false; | |
d2b3f390 OK |
1038 | if (len == 0) { |
1039 | fs->mountpoint = g_strdup("System Reserved"); | |
1040 | } else { | |
1041 | fs->mountpoint = g_strndup(mnt_point, len); | |
c07e5e6e CH |
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 | } | |
d2b3f390 | 1051 | } |
3aaebc0c | 1052 | wcstombs(fs_name, wfs_name, sizeof(wfs_name)); |
d2b3f390 | 1053 | fs->type = g_strdup(fs_name); |
a8f15a27 | 1054 | fs->disk = build_guest_disk_info(guid, errp); |
d2b3f390 | 1055 | free: |
3aaebc0c | 1056 | CloseHandle(hLocalDiskHandle); |
d2b3f390 OK |
1057 | g_free(mnt_point); |
1058 | return fs; | |
1059 | } | |
1060 | ||
46d4c572 TS |
1061 | GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) |
1062 | { | |
ef0a03f2 OK |
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 { | |
3aaebc0c BS |
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); | |
d2b3f390 OK |
1080 | continue; |
1081 | } | |
ef0a03f2 | 1082 | new = g_malloc(sizeof(*ret)); |
d2b3f390 | 1083 | new->value = info; |
ef0a03f2 OK |
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; | |
46d4c572 TS |
1094 | } |
1095 | ||
d8ca685a MR |
1096 | /* |
1097 | * Return status of freeze/thaw | |
1098 | */ | |
77dbc81b | 1099 | GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) |
d8ca685a | 1100 | { |
64c00317 | 1101 | if (!vss_initialized()) { |
c6bd8c70 | 1102 | error_setg(errp, QERR_UNSUPPORTED); |
64c00317 TS |
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; | |
d8ca685a MR |
1111 | } |
1112 | ||
1113 | /* | |
64c00317 TS |
1114 | * Freeze local file systems using Volume Shadow-copy Service. |
1115 | * The frozen state is limited for up to 10 seconds by VSS. | |
d8ca685a | 1116 | */ |
77dbc81b | 1117 | int64_t qmp_guest_fsfreeze_freeze(Error **errp) |
0692b03e CH |
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) | |
d8ca685a | 1125 | { |
64c00317 TS |
1126 | int i; |
1127 | Error *local_err = NULL; | |
1128 | ||
1129 | if (!vss_initialized()) { | |
c6bd8c70 | 1130 | error_setg(errp, QERR_UNSUPPORTED); |
64c00317 TS |
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 | ||
0692b03e | 1139 | qga_vss_fsfreeze(&i, true, mountpoints, &local_err); |
0f230bf7 MA |
1140 | if (local_err) { |
1141 | error_propagate(errp, local_err); | |
64c00317 TS |
1142 | goto error; |
1143 | } | |
1144 | ||
1145 | return i; | |
1146 | ||
1147 | error: | |
0f230bf7 | 1148 | local_err = NULL; |
64c00317 | 1149 | qmp_guest_fsfreeze_thaw(&local_err); |
84d18f06 | 1150 | if (local_err) { |
64c00317 TS |
1151 | g_debug("cleanup thaw: %s", error_get_pretty(local_err)); |
1152 | error_free(local_err); | |
1153 | } | |
d8ca685a MR |
1154 | return 0; |
1155 | } | |
1156 | ||
1157 | /* | |
64c00317 | 1158 | * Thaw local file systems using Volume Shadow-copy Service. |
d8ca685a | 1159 | */ |
77dbc81b | 1160 | int64_t qmp_guest_fsfreeze_thaw(Error **errp) |
d8ca685a | 1161 | { |
64c00317 TS |
1162 | int i; |
1163 | ||
1164 | if (!vss_initialized()) { | |
c6bd8c70 | 1165 | error_setg(errp, QERR_UNSUPPORTED); |
64c00317 TS |
1166 | return 0; |
1167 | } | |
1168 | ||
0692b03e | 1169 | qga_vss_fsfreeze(&i, false, NULL, errp); |
64c00317 TS |
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); | |
d8ca685a MR |
1193 | } |
1194 | ||
eab5fd59 PB |
1195 | /* |
1196 | * Walk list of mounted file systems in the guest, and discard unused | |
1197 | * areas. | |
1198 | */ | |
e82855d9 JO |
1199 | GuestFilesystemTrimResponse * |
1200 | qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) | |
eab5fd59 | 1201 | { |
91274487 DL |
1202 | GuestFilesystemTrimResponse *resp; |
1203 | HANDLE handle; | |
1204 | WCHAR guid[MAX_PATH] = L""; | |
c5840b90 SJ |
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 | } | |
91274487 DL |
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; | |
eab5fd59 PB |
1308 | } |
1309 | ||
aa59637e | 1310 | typedef enum { |
f54603b6 MR |
1311 | GUEST_SUSPEND_MODE_DISK, |
1312 | GUEST_SUSPEND_MODE_RAM | |
aa59637e GH |
1313 | } GuestSuspendMode; |
1314 | ||
77dbc81b | 1315 | static void check_suspend_mode(GuestSuspendMode mode, Error **errp) |
aa59637e GH |
1316 | { |
1317 | SYSTEM_POWER_CAPABILITIES sys_pwr_caps; | |
aa59637e | 1318 | |
aa59637e GH |
1319 | ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); |
1320 | if (!GetPwrCapabilities(&sys_pwr_caps)) { | |
dcfe4805 | 1321 | error_setg(errp, QERR_QGA_COMMAND_FAILED, |
c6bd8c70 | 1322 | "failed to determine guest suspend capabilities"); |
dcfe4805 | 1323 | return; |
aa59637e GH |
1324 | } |
1325 | ||
f54603b6 MR |
1326 | switch (mode) { |
1327 | case GUEST_SUSPEND_MODE_DISK: | |
1328 | if (!sys_pwr_caps.SystemS4) { | |
dcfe4805 | 1329 | error_setg(errp, QERR_QGA_COMMAND_FAILED, |
c6bd8c70 | 1330 | "suspend-to-disk not supported by OS"); |
aa59637e | 1331 | } |
f54603b6 MR |
1332 | break; |
1333 | case GUEST_SUSPEND_MODE_RAM: | |
1334 | if (!sys_pwr_caps.SystemS3) { | |
dcfe4805 | 1335 | error_setg(errp, QERR_QGA_COMMAND_FAILED, |
c6bd8c70 | 1336 | "suspend-to-ram not supported by OS"); |
f54603b6 MR |
1337 | } |
1338 | break; | |
1339 | default: | |
dcfe4805 | 1340 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", |
c6bd8c70 | 1341 | "GuestSuspendMode"); |
aa59637e | 1342 | } |
aa59637e GH |
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)) { | |
672db778 PMD |
1351 | g_autofree gchar *emsg = g_win32_error_message(GetLastError()); |
1352 | slog("failed to suspend guest: %s", emsg); | |
aa59637e GH |
1353 | ret = -1; |
1354 | } | |
1355 | g_free(mode); | |
1356 | return ret; | |
1357 | } | |
1358 | ||
77dbc81b | 1359 | void qmp_guest_suspend_disk(Error **errp) |
11d0f125 | 1360 | { |
0f230bf7 | 1361 | Error *local_err = NULL; |
f3a06403 | 1362 | GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); |
aa59637e GH |
1363 | |
1364 | *mode = GUEST_SUSPEND_MODE_DISK; | |
0f230bf7 | 1365 | check_suspend_mode(*mode, &local_err); |
51bd4581 MA |
1366 | if (local_err) { |
1367 | goto out; | |
1368 | } | |
0f230bf7 | 1369 | acquire_privilege(SE_SHUTDOWN_NAME, &local_err); |
51bd4581 MA |
1370 | if (local_err) { |
1371 | goto out; | |
1372 | } | |
0f230bf7 | 1373 | execute_async(do_suspend, mode, &local_err); |
aa59637e | 1374 | |
51bd4581 | 1375 | out: |
0f230bf7 MA |
1376 | if (local_err) { |
1377 | error_propagate(errp, local_err); | |
aa59637e GH |
1378 | g_free(mode); |
1379 | } | |
11d0f125 LC |
1380 | } |
1381 | ||
77dbc81b | 1382 | void qmp_guest_suspend_ram(Error **errp) |
fbf42210 | 1383 | { |
0f230bf7 | 1384 | Error *local_err = NULL; |
f3a06403 | 1385 | GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); |
f54603b6 MR |
1386 | |
1387 | *mode = GUEST_SUSPEND_MODE_RAM; | |
0f230bf7 | 1388 | check_suspend_mode(*mode, &local_err); |
51bd4581 MA |
1389 | if (local_err) { |
1390 | goto out; | |
1391 | } | |
0f230bf7 | 1392 | acquire_privilege(SE_SHUTDOWN_NAME, &local_err); |
51bd4581 MA |
1393 | if (local_err) { |
1394 | goto out; | |
1395 | } | |
0f230bf7 | 1396 | execute_async(do_suspend, mode, &local_err); |
f54603b6 | 1397 | |
51bd4581 | 1398 | out: |
0f230bf7 MA |
1399 | if (local_err) { |
1400 | error_propagate(errp, local_err); | |
f54603b6 MR |
1401 | g_free(mode); |
1402 | } | |
fbf42210 LC |
1403 | } |
1404 | ||
77dbc81b | 1405 | void qmp_guest_suspend_hybrid(Error **errp) |
95f4f404 | 1406 | { |
c6bd8c70 | 1407 | error_setg(errp, QERR_UNSUPPORTED); |
95f4f404 LC |
1408 | } |
1409 | ||
d6c5528b | 1410 | static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) |
3424fc9f | 1411 | { |
d6c5528b KA |
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; | |
a18025f9 | 1434 | size_t str_size; |
d6c5528b | 1435 | |
a18025f9 BA |
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); | |
d6c5528b KA |
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 | } | |
3424fc9f MP |
1465 | return NULL; |
1466 | } | |
1467 | ||
d6c5528b KA |
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 | } | |
d6c5528b | 1475 | |
53f9fcb2 ZL |
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 | } | |
df83eabd ZL |
1492 | |
1493 | typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); | |
1494 | ||
53f9fcb2 | 1495 | static int guest_get_network_stats(const char *name, |
df83eabd | 1496 | GuestNetworkInterfaceStat *stats) |
53f9fcb2 | 1497 | { |
df83eabd ZL |
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 | } | |
53f9fcb2 ZL |
1532 | } |
1533 | return -1; | |
1534 | } | |
1535 | ||
d6c5528b KA |
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; | |
53f9fcb2 | 1543 | GuestNetworkInterfaceStat *interface_stat = NULL; |
d6c5528b KA |
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 | } | |
53f9fcb2 ZL |
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 | } | |
d6c5528b KA |
1634 | } |
1635 | WSACleanup(); | |
1636 | out: | |
1637 | g_free(adptr_addrs); | |
1638 | return head; | |
1639 | } | |
1640 | ||
6912e6a9 LL |
1641 | int64_t qmp_guest_get_time(Error **errp) |
1642 | { | |
3f2a6087 | 1643 | SYSTEMTIME ts = {0}; |
3f2a6087 LL |
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 | ||
9be38598 | 1657 | return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) |
3f2a6087 | 1658 | - W32_FT_OFFSET) * 100; |
6912e6a9 LL |
1659 | } |
1660 | ||
2c958923 | 1661 | void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) |
a1bca57f | 1662 | { |
0f230bf7 | 1663 | Error *local_err = NULL; |
b8f954fe LL |
1664 | SYSTEMTIME ts; |
1665 | FILETIME tf; | |
1666 | LONGLONG time; | |
1667 | ||
ee17cbdc MP |
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 | |
105fad6b BA |
1673 | * |
1674 | * Instead, a workaround is to use the Windows win32tm command to | |
1675 | * resync the time using the Windows Time service. | |
ee17cbdc | 1676 | */ |
105fad6b BA |
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 | } | |
ee17cbdc MP |
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 | } | |
b8f954fe | 1716 | |
ee17cbdc | 1717 | time = time_ns / 100 + W32_FT_OFFSET; |
b8f954fe | 1718 | |
ee17cbdc MP |
1719 | tf.dwLowDateTime = (DWORD) time; |
1720 | tf.dwHighDateTime = (DWORD) (time >> 32); | |
b8f954fe | 1721 | |
ee17cbdc MP |
1722 | if (!FileTimeToSystemTime(&tf, &ts)) { |
1723 | error_setg(errp, "Failed to convert system time %d", | |
1724 | (int)GetLastError()); | |
1725 | return; | |
b8f954fe LL |
1726 | } |
1727 | ||
0f230bf7 MA |
1728 | acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); |
1729 | if (local_err) { | |
1730 | error_propagate(errp, local_err); | |
b8f954fe LL |
1731 | return; |
1732 | } | |
1733 | ||
1734 | if (!SetSystemTime(&ts)) { | |
1735 | error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); | |
1736 | return; | |
1737 | } | |
a1bca57f LL |
1738 | } |
1739 | ||
70e133a7 LE |
1740 | GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) |
1741 | { | |
a7a17362 GH |
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; | |
54858553 | 1780 | vcpu->has_can_offline = true; |
a7a17362 GH |
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); | |
70e133a7 LE |
1807 | return NULL; |
1808 | } | |
1809 | ||
1810 | int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) | |
1811 | { | |
c6bd8c70 | 1812 | error_setg(errp, QERR_UNSUPPORTED); |
70e133a7 LE |
1813 | return -1; |
1814 | } | |
1815 | ||
259434b8 MAL |
1816 | static gchar * |
1817 | get_net_error_message(gint error) | |
1818 | { | |
1819 | HMODULE module = NULL; | |
1820 | gchar *retval = NULL; | |
1821 | wchar_t *msg = NULL; | |
6771197d MAL |
1822 | int flags; |
1823 | size_t nchars; | |
259434b8 | 1824 | |
02506e2d MAL |
1825 | flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | |
1826 | FORMAT_MESSAGE_IGNORE_INSERTS | | |
1827 | FORMAT_MESSAGE_FROM_SYSTEM; | |
259434b8 MAL |
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 | ||
25d943b9 | 1842 | if (nchars >= 2 && |
6c6916da MAL |
1843 | msg[nchars - 1] == L'\n' && |
1844 | msg[nchars - 2] == L'\r') { | |
1845 | msg[nchars - 2] = L'\0'; | |
259434b8 MAL |
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 | ||
215a2771 DB |
1860 | void qmp_guest_set_user_password(const char *username, |
1861 | const char *password, | |
1862 | bool crypted, | |
1863 | Error **errp) | |
1864 | { | |
259434b8 MAL |
1865 | NET_API_STATUS nas; |
1866 | char *rawpasswddata = NULL; | |
1867 | size_t rawpasswdlen; | |
8021de10 | 1868 | wchar_t *user = NULL, *wpass = NULL; |
259434b8 | 1869 | USER_INFO_1003 pi1003 = { 0, }; |
8021de10 | 1870 | GError *gerr = NULL; |
259434b8 MAL |
1871 | |
1872 | if (crypted) { | |
1873 | error_setg(errp, QERR_UNSUPPORTED); | |
1874 | return; | |
1875 | } | |
1876 | ||
920639ca DB |
1877 | rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); |
1878 | if (!rawpasswddata) { | |
1879 | return; | |
1880 | } | |
259434b8 MAL |
1881 | rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); |
1882 | rawpasswddata[rawpasswdlen] = '\0'; | |
1883 | ||
8021de10 MAL |
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 | } | |
259434b8 MAL |
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 | ||
8021de10 MAL |
1905 | done: |
1906 | if (gerr) { | |
1907 | error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); | |
1908 | g_error_free(gerr); | |
1909 | } | |
259434b8 MAL |
1910 | g_free(user); |
1911 | g_free(wpass); | |
1912 | g_free(rawpasswddata); | |
215a2771 DB |
1913 | } |
1914 | ||
a065aaa9 HZ |
1915 | GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) |
1916 | { | |
c6bd8c70 | 1917 | error_setg(errp, QERR_UNSUPPORTED); |
a065aaa9 HZ |
1918 | return NULL; |
1919 | } | |
1920 | ||
1921 | GuestMemoryBlockResponseList * | |
1922 | qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) | |
1923 | { | |
c6bd8c70 | 1924 | error_setg(errp, QERR_UNSUPPORTED); |
a065aaa9 HZ |
1925 | return NULL; |
1926 | } | |
1927 | ||
1928 | GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) | |
1929 | { | |
c6bd8c70 | 1930 | error_setg(errp, QERR_UNSUPPORTED); |
a065aaa9 HZ |
1931 | return NULL; |
1932 | } | |
1933 | ||
1281c08a TS |
1934 | /* add unsupported commands to the blacklist */ |
1935 | GList *ga_command_blacklist_init(GList *blacklist) | |
1936 | { | |
1937 | const char *list_unsupported[] = { | |
d6c5528b | 1938 | "guest-suspend-hybrid", |
a7a17362 | 1939 | "guest-set-vcpus", |
0dd38a03 | 1940 | "guest-get-memory-blocks", "guest-set-memory-blocks", |
28d8dd35 | 1941 | "guest-get-memory-block-size", "guest-get-memory-block-info", |
91274487 | 1942 | NULL}; |
1281c08a TS |
1943 | char **p = (char **)list_unsupported; |
1944 | ||
1945 | while (*p) { | |
4bca81ce | 1946 | blacklist = g_list_append(blacklist, g_strdup(*p++)); |
1281c08a TS |
1947 | } |
1948 | ||
1949 | if (!vss_init(true)) { | |
c69403fc | 1950 | g_debug("vss_init failed, vss commands are going to be disabled"); |
1281c08a TS |
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) { | |
4bca81ce | 1957 | blacklist = g_list_append(blacklist, g_strdup(*p++)); |
1281c08a TS |
1958 | } |
1959 | } | |
1960 | ||
1961 | return blacklist; | |
1962 | } | |
1963 | ||
d8ca685a MR |
1964 | /* register init/cleanup routines for stateful command groups */ |
1965 | void ga_command_state_init(GAState *s, GACommandState *cs) | |
1966 | { | |
1281c08a | 1967 | if (!vss_initialized()) { |
64c00317 TS |
1968 | ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); |
1969 | } | |
d8ca685a | 1970 | } |
161a56a9 VF |
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 | ||
b90abbac | 1993 | GuestUserList *qmp_guest_get_users(Error **errp) |
161a56a9 | 1994 | { |
161a56a9 VF |
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; | |
161a56a9 | 2064 | } |
9848f797 TG |
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"}, | |
bd586a91 | 2091 | { 0, 0, 0}, |
9848f797 TG |
2092 | { 0, 0, 0}, |
2093 | { 0, 0, 0} | |
2094 | } | |
2095 | }; | |
2096 | ||
bd586a91 BA |
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 | ||
9848f797 TG |
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; | |
bd586a91 | 2133 | DWORD build = os_version->dwBuildNumber; |
9848f797 TG |
2134 | int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); |
2135 | ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; | |
bd586a91 | 2136 | ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX; |
9848f797 | 2137 | while (table->version != NULL) { |
bd586a91 BA |
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) { | |
9848f797 TG |
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; | |
668f62ec | 2246 | product_name = ga_get_win_product_name(errp); |
9848f797 | 2247 | if (product_name == NULL) { |
9848f797 TG |
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 | } | |
2e4211ce TG |
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 | } |