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qemu-ga: add win32 guest-shutdown command

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Implement guest-shutdown RPC for Windows. Functionally this should be
equivalent to the posix implementation.

Original patch by Gal Hammer <ghammer@redhat.com>
This commit is contained in:
Michael Roth 2012-01-22 20:24:37 -06:00
parent bc62fa039c
commit 546b60d06b
1 changed files with 40 additions and 1 deletions
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41
qga/commands-win32.c
View file

@ -15,9 +15,48 @@
#include "qga-qmp-commands.h"
#include "qerror.h"
#ifndef SHTDN_REASON_FLAG_PLANNED
#define SHTDN_REASON_FLAG_PLANNED 0x80000000
#endif
void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
{
error_set(err, QERR_UNSUPPORTED);
HANDLE token;
TOKEN_PRIVILEGES priv;
UINT shutdown_flag = EWX_FORCE;
slog("guest-shutdown called, mode: %s", mode);
if (!has_mode || strcmp(mode, "powerdown") == 0) {
shutdown_flag |= EWX_POWEROFF;
} else if (strcmp(mode, "halt") == 0) {
shutdown_flag |= EWX_SHUTDOWN;
} else if (strcmp(mode, "reboot") == 0) {
shutdown_flag |= EWX_REBOOT;
} else {
error_set(err, QERR_INVALID_PARAMETER_VALUE, "mode",
"halt|powerdown|reboot");
return;
}
/* Request a shutdown privilege, but try to shut down the system
anyway. */
if (OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
{
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
&priv.Privileges[0].Luid);
priv.PrivilegeCount = 1;
priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0);
}
if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
slog("guest-shutdown failed: %d", GetLastError());
error_set(err, QERR_UNDEFINED_ERROR);
}
}
int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err)