* See the COPYING file in the top-level directory.
*/
-#include <glib.h>
+#include "qemu/osdep.h"
#include <wtypes.h>
#include <powrprof.h>
-#include <stdio.h>
-#include <string.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iptypes.h>
#ifdef CONFIG_QGA_NTDDSCSI
#include <winioctl.h>
#include <ntddscsi.h>
+#include <setupapi.h>
+#include <initguid.h>
#endif
+#include <lm.h>
+
#include "qga/guest-agent-core.h"
#include "qga/vss-win32.h"
#include "qga-qmp-commands.h"
#include "qapi/qmp/qerror.h"
#include "qemu/queue.h"
#include "qemu/host-utils.h"
+#include "qemu/base64.h"
#ifndef SHTDN_REASON_FLAG_PLANNED
#define SHTDN_REASON_FLAG_PLANNED 0x80000000
static struct {
QTAILQ_HEAD(, GuestFileHandle) filehandles;
-} guest_file_state;
+} guest_file_state = {
+ .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
+};
+#define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
typedef struct OpenFlags {
const char *forms;
DWORD creation_disposition;
} OpenFlags;
static OpenFlags guest_file_open_modes[] = {
- {"r", GENERIC_READ, OPEN_EXISTING},
- {"rb", GENERIC_READ, OPEN_EXISTING},
- {"w", GENERIC_WRITE, CREATE_ALWAYS},
- {"wb", GENERIC_WRITE, CREATE_ALWAYS},
- {"a", GENERIC_WRITE, OPEN_ALWAYS },
- {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"a+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS },
- {"ab+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS },
- {"a+b", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS }
+ {"r", GENERIC_READ, OPEN_EXISTING},
+ {"rb", GENERIC_READ, OPEN_EXISTING},
+ {"w", GENERIC_WRITE, CREATE_ALWAYS},
+ {"wb", GENERIC_WRITE, CREATE_ALWAYS},
+ {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
+ {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
+ {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
+ {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
};
static OpenFlags *find_open_flag(const char *mode_str)
if (handle < 0) {
return -1;
}
- gfh = g_malloc0(sizeof(GuestFileHandle));
+ gfh = g_new0(GuestFileHandle, 1);
gfh->id = handle;
gfh->fh = fh;
QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
return NULL;
}
+static void handle_set_nonblocking(HANDLE fh)
+{
+ DWORD file_type, pipe_state;
+ file_type = GetFileType(fh);
+ if (file_type != FILE_TYPE_PIPE) {
+ return;
+ }
+ /* If file_type == FILE_TYPE_PIPE, according to MSDN
+ * the specified file is socket or named pipe */
+ if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
+ NULL, NULL, NULL, 0)) {
+ return;
+ }
+ /* The fd is named pipe fd */
+ if (pipe_state & PIPE_NOWAIT) {
+ return;
+ }
+
+ pipe_state |= PIPE_NOWAIT;
+ SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
+}
+
int64_t qmp_guest_file_open(const char *path, bool has_mode,
const char *mode, Error **errp)
{
return -1;
}
+ /* set fd non-blocking to avoid common use cases (like reading from a
+ * named pipe) from hanging the agent
+ */
+ handle_set_nonblocking(fh);
+
fd = guest_file_handle_add(fh, errp);
if (fd < 0) {
- CloseHandle(&fh);
+ CloseHandle(fh);
error_setg(errp, "failed to add handle to qmp handle table");
return -1;
}
if (token) {
CloseHandle(token);
}
- if (local_err) {
- error_propagate(errp, local_err);
- }
+ error_propagate(errp, local_err);
}
static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
slog("guest-file-read failed, handle %" PRId64, handle);
} else {
buf[read_count] = 0;
- read_data = g_malloc0(sizeof(GuestFileRead));
+ read_data = g_new0(GuestFileRead, 1);
read_data->count = (size_t)read_count;
read_data->eof = read_count == 0;
return NULL;
}
fh = gfh->fh;
- buf = g_base64_decode(buf_b64, &buf_len);
+ buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
+ if (!buf) {
+ return NULL;
+ }
if (!has_count) {
count = buf_len;
error_setg_win32(errp, GetLastError(), "failed to write to file");
slog("guest-file-write-failed, handle: %" PRId64, handle);
} else {
- write_data = g_malloc0(sizeof(GuestFileWrite));
+ write_data = g_new0(GuestFileWrite, 1);
write_data->count = (size_t) write_count;
}
}
GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
- int64_t whence, Error **errp)
+ GuestFileWhence *whence_code,
+ Error **errp)
{
GuestFileHandle *gfh;
GuestFileSeek *seek_data;
LARGE_INTEGER new_pos, off_pos;
off_pos.QuadPart = offset;
BOOL res;
+ int whence;
+ Error *err = NULL;
+
gfh = guest_file_handle_find(handle, errp);
if (!gfh) {
return NULL;
}
+ /* We stupidly exposed 'whence':'int' in our qapi */
+ whence = ga_parse_whence(whence_code, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return NULL;
+ }
+
fh = gfh->fh;
res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
if (!res) {
}
}
-static void guest_file_init(void)
-{
- QTAILQ_INIT(&guest_file_state.filehandles);
-}
-
#ifdef CONFIG_QGA_NTDDSCSI
static STORAGE_BUS_TYPE win2qemu[] = {
return win2qemu[(int)bus];
}
+DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
+ 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
+ 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
+
static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
{
- return NULL;
+ HDEVINFO dev_info;
+ SP_DEVINFO_DATA dev_info_data;
+ DWORD size = 0;
+ int i;
+ char dev_name[MAX_PATH];
+ char *buffer = NULL;
+ GuestPCIAddress *pci = NULL;
+ char *name = g_strdup(&guid[4]);
+
+ if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
+ error_setg_win32(errp, GetLastError(), "failed to get dos device name");
+ goto out;
+ }
+
+ dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
+ DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
+ if (dev_info == INVALID_HANDLE_VALUE) {
+ error_setg_win32(errp, GetLastError(), "failed to get devices tree");
+ goto out;
+ }
+
+ dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
+ for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
+ DWORD addr, bus, slot, func, dev, data, size2;
+ while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
+ SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
+ &data, (PBYTE)buffer, size,
+ &size2)) {
+ size = MAX(size, size2);
+ if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+ g_free(buffer);
+ /* Double the size to avoid problems on
+ * W2k MBCS systems per KB 888609.
+ * https://support.microsoft.com/en-us/kb/259695 */
+ buffer = g_malloc(size * 2);
+ } else {
+ error_setg_win32(errp, GetLastError(),
+ "failed to get device name");
+ goto out;
+ }
+ }
+
+ if (g_strcmp0(buffer, dev_name)) {
+ continue;
+ }
+
+ /* There is no need to allocate buffer in the next functions. The size
+ * is known and ULONG according to
+ * https://support.microsoft.com/en-us/kb/253232
+ * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
+ */
+ if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
+ SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
+ break;
+ }
+
+ /* The function retrieves the device's address. This value will be
+ * transformed into device function and number */
+ if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
+ SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
+ break;
+ }
+
+ /* This call returns UINumber of DEVICE_CAPABILITIES structure.
+ * This number is typically a user-perceived slot number. */
+ if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
+ SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
+ break;
+ }
+
+ /* SetupApi gives us the same information as driver with
+ * IoGetDeviceProperty. According to Microsoft
+ * https://support.microsoft.com/en-us/kb/253232
+ * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
+ * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
+ * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
+
+ func = addr & 0x0000FFFF;
+ dev = (addr >> 16) & 0x0000FFFF;
+ pci = g_malloc0(sizeof(*pci));
+ pci->domain = dev;
+ pci->slot = slot;
+ pci->function = func;
+ pci->bus = bus;
+ break;
+ }
+out:
+ g_free(buffer);
+ g_free(name);
+ return pci;
}
static int get_disk_bus_type(HANDLE vol_h, Error **errp)
fs->mountpoint = g_strndup(mnt_point, len);
}
fs->type = g_strdup(fs_name);
- fs->disk = build_guest_disk_info(guid, errp);;
+ fs->disk = build_guest_disk_info(guid, errp);
free:
g_free(mnt_point);
return fs;
GuestFilesystemTrimResponse *
qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
{
- error_setg(errp, QERR_UNSUPPORTED);
- return NULL;
+ GuestFilesystemTrimResponse *resp;
+ HANDLE handle;
+ WCHAR guid[MAX_PATH] = L"";
+
+ handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
+ if (handle == INVALID_HANDLE_VALUE) {
+ error_setg_win32(errp, GetLastError(), "failed to find any volume");
+ return NULL;
+ }
+
+ resp = g_new0(GuestFilesystemTrimResponse, 1);
+
+ do {
+ GuestFilesystemTrimResult *res;
+ GuestFilesystemTrimResultList *list;
+ PWCHAR uc_path;
+ DWORD char_count = 0;
+ char *path, *out;
+ GError *gerr = NULL;
+ gchar * argv[4];
+
+ GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
+
+ if (GetLastError() != ERROR_MORE_DATA) {
+ continue;
+ }
+ if (GetDriveTypeW(guid) != DRIVE_FIXED) {
+ continue;
+ }
+
+ uc_path = g_malloc(sizeof(WCHAR) * char_count);
+ if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
+ &char_count) || !*uc_path) {
+ /* strange, but this condition could be faced even with size == 2 */
+ g_free(uc_path);
+ continue;
+ }
+
+ res = g_new0(GuestFilesystemTrimResult, 1);
+
+ path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
+
+ g_free(uc_path);
+
+ if (!path) {
+ res->has_error = true;
+ res->error = g_strdup(gerr->message);
+ g_error_free(gerr);
+ break;
+ }
+
+ res->path = path;
+
+ list = g_new0(GuestFilesystemTrimResultList, 1);
+ list->value = res;
+ list->next = resp->paths;
+
+ resp->paths = list;
+
+ memset(argv, 0, sizeof(argv));
+ argv[0] = (gchar *)"defrag.exe";
+ argv[1] = (gchar *)"/L";
+ argv[2] = path;
+
+ if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
+ &out /* stdout */, NULL /* stdin */,
+ NULL, &gerr)) {
+ res->has_error = true;
+ res->error = g_strdup(gerr->message);
+ g_error_free(gerr);
+ } else {
+ /* defrag.exe is UGLY. Exit code is ALWAYS zero.
+ Error is reported in the output with something like
+ (x89000020) etc code in the stdout */
+
+ int i;
+ gchar **lines = g_strsplit(out, "\r\n", 0);
+ g_free(out);
+
+ for (i = 0; lines[i] != NULL; i++) {
+ if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
+ continue;
+ }
+ res->has_error = true;
+ res->error = g_strdup(lines[i]);
+ break;
+ }
+ g_strfreev(lines);
+ }
+ } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
+
+ FindVolumeClose(handle);
+ return resp;
}
typedef enum {
}
out:
- if (local_err) {
- error_propagate(errp, local_err);
- }
+ error_propagate(errp, local_err);
}
static DWORD WINAPI do_suspend(LPVOID opaque)
void qmp_guest_suspend_disk(Error **errp)
{
Error *local_err = NULL;
- GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
+ GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
*mode = GUEST_SUSPEND_MODE_DISK;
check_suspend_mode(*mode, &local_err);
void qmp_guest_suspend_ram(Error **errp)
{
Error *local_err = NULL;
- GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
+ GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
*mode = GUEST_SUSPEND_MODE_RAM;
check_suspend_mode(*mode, &local_err);
int64_t qmp_guest_get_time(Error **errp)
{
SYSTEMTIME ts = {0};
- int64_t time_ns;
FILETIME tf;
GetSystemTime(&ts);
return -1;
}
- time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
+ return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
- W32_FT_OFFSET) * 100;
-
- return time_ns;
}
void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
{
- error_setg(errp, QERR_UNSUPPORTED);
+ PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
+ DWORD length;
+ GuestLogicalProcessorList *head, **link;
+ Error *local_err = NULL;
+ int64_t current;
+
+ ptr = pslpi = NULL;
+ length = 0;
+ current = 0;
+ head = NULL;
+ link = &head;
+
+ if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
+ (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
+ (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
+ ptr = pslpi = g_malloc0(length);
+ if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
+ error_setg(&local_err, "Failed to get processor information: %d",
+ (int)GetLastError());
+ }
+ } else {
+ error_setg(&local_err,
+ "Failed to get processor information buffer length: %d",
+ (int)GetLastError());
+ }
+
+ while ((local_err == NULL) && (length > 0)) {
+ if (pslpi->Relationship == RelationProcessorCore) {
+ ULONG_PTR cpu_bits = pslpi->ProcessorMask;
+
+ while (cpu_bits > 0) {
+ if (!!(cpu_bits & 1)) {
+ GuestLogicalProcessor *vcpu;
+ GuestLogicalProcessorList *entry;
+
+ vcpu = g_malloc0(sizeof *vcpu);
+ vcpu->logical_id = current++;
+ vcpu->online = true;
+ vcpu->has_can_offline = false;
+
+ entry = g_malloc0(sizeof *entry);
+ entry->value = vcpu;
+
+ *link = entry;
+ link = &entry->next;
+ }
+ cpu_bits >>= 1;
+ }
+ }
+ length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
+ pslpi++; /* next entry */
+ }
+
+ g_free(ptr);
+
+ if (local_err == NULL) {
+ if (head != NULL) {
+ return head;
+ }
+ /* there's no guest with zero VCPUs */
+ error_setg(&local_err, "Guest reported zero VCPUs");
+ }
+
+ qapi_free_GuestLogicalProcessorList(head);
+ error_propagate(errp, local_err);
return NULL;
}
return -1;
}
+static gchar *
+get_net_error_message(gint error)
+{
+ HMODULE module = NULL;
+ gchar *retval = NULL;
+ wchar_t *msg = NULL;
+ int flags;
+ size_t nchars;
+
+ flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_IGNORE_INSERTS |
+ FORMAT_MESSAGE_FROM_SYSTEM;
+
+ if (error >= NERR_BASE && error <= MAX_NERR) {
+ module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
+
+ if (module != NULL) {
+ flags |= FORMAT_MESSAGE_FROM_HMODULE;
+ }
+ }
+
+ FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
+
+ if (msg != NULL) {
+ nchars = wcslen(msg);
+
+ if (nchars >= 2 &&
+ msg[nchars - 1] == L'\n' &&
+ msg[nchars - 2] == L'\r') {
+ msg[nchars - 2] = L'\0';
+ }
+
+ retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
+
+ LocalFree(msg);
+ }
+
+ if (module != NULL) {
+ FreeLibrary(module);
+ }
+
+ return retval;
+}
+
void qmp_guest_set_user_password(const char *username,
const char *password,
bool crypted,
Error **errp)
{
- error_setg(errp, QERR_UNSUPPORTED);
+ NET_API_STATUS nas;
+ char *rawpasswddata = NULL;
+ size_t rawpasswdlen;
+ wchar_t *user = NULL, *wpass = NULL;
+ USER_INFO_1003 pi1003 = { 0, };
+ GError *gerr = NULL;
+
+ if (crypted) {
+ error_setg(errp, QERR_UNSUPPORTED);
+ return;
+ }
+
+ rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
+ if (!rawpasswddata) {
+ return;
+ }
+ rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
+ rawpasswddata[rawpasswdlen] = '\0';
+
+ user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
+ if (!user) {
+ goto done;
+ }
+
+ wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
+ if (!wpass) {
+ goto done;
+ }
+
+ pi1003.usri1003_password = wpass;
+ nas = NetUserSetInfo(NULL, user,
+ 1003, (LPBYTE)&pi1003,
+ NULL);
+
+ if (nas != NERR_Success) {
+ gchar *msg = get_net_error_message(nas);
+ error_setg(errp, "failed to set password: %s", msg);
+ g_free(msg);
+ }
+
+done:
+ if (gerr) {
+ error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
+ g_error_free(gerr);
+ }
+ g_free(user);
+ g_free(wpass);
+ g_free(rawpasswddata);
}
GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
{
const char *list_unsupported[] = {
"guest-suspend-hybrid",
- "guest-get-vcpus", "guest-set-vcpus",
- "guest-set-user-password",
+ "guest-set-vcpus",
"guest-get-memory-blocks", "guest-set-memory-blocks",
"guest-get-memory-block-size",
"guest-fsfreeze-freeze-list",
- "guest-fstrim", NULL};
+ NULL};
char **p = (char **)list_unsupported;
while (*p) {
- blacklist = g_list_append(blacklist, *p++);
+ blacklist = g_list_append(blacklist, g_strdup(*p++));
}
if (!vss_init(true)) {
p = (char **)list;
while (*p) {
- blacklist = g_list_append(blacklist, *p++);
+ blacklist = g_list_append(blacklist, g_strdup(*p++));
}
}
if (!vss_initialized()) {
ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
}
- ga_command_state_add(cs, guest_file_init, NULL);
}