| Message ID | 1363244871-11973-3-git-send-email-lilei@linux.vnet.ibm.com |
|---|---|
| State | New |
| Headers | show |
On Thu, Mar 14, 2013 at 03:07:51PM +0800, Lei Li wrote: > Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com> > --- > qga/commands-win32.c | 33 +++++++++++++++++++++++++++++++++ > 1 file changed, 33 insertions(+) > > diff --git a/qga/commands-win32.c b/qga/commands-win32.c > index e24fb4a..8064c3a 100644 > --- a/qga/commands-win32.c > +++ b/qga/commands-win32.c > @@ -141,6 +141,39 @@ out: > return -1; > } > > +void qmp_guest_set_time(int64_t time_ns, Error **errp) > +{ > + SYSTEMTIME ts; > + FILETIME tf; > + LONGLONG time; > + > + if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { > + error_setg(errp, "Time %" PRId64 "is invalid", time_ns); > + return; > + } > + > + time = time_ns / 100 + W32_FT_OFFSET; > + > + tf.dwLowDateTime = (DWORD) time; > + tf.dwHighDateTime = (DWORD) (time >> 32); > + > + if (!FileTimeToSystemTime(&tf, &ts)) { > + error_setg(errp, "Failed to convert system time"); > + return; > + } > + > + acquire_privilege(SE_SYSTEMTIME_NAME, errp); > + if (error_is_set(errp)) { > + error_setg(errp, "Failed to acquire privilege"); Sorry, missed this one on the last review: Overriding a previously set error will cause an assert. We should just return and pass back the error from acquire_privilege. > + return; > + } > + > + if (!SetSystemTime(&ts)) { > + error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); > + return; > + } > +} > + > int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err) > { > error_set(err, QERR_UNSUPPORTED); > -- > 1.7.11.7 >
diff --git a/qga/commands-win32.c b/qga/commands-win32.c index e24fb4a..8064c3a 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -141,6 +141,39 @@ out: return -1; } +void qmp_guest_set_time(int64_t time_ns, Error **errp) +{ + SYSTEMTIME ts; + FILETIME tf; + LONGLONG time; + + if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { + error_setg(errp, "Time %" PRId64 "is invalid", time_ns); + return; + } + + time = time_ns / 100 + W32_FT_OFFSET; + + tf.dwLowDateTime = (DWORD) time; + tf.dwHighDateTime = (DWORD) (time >> 32); + + if (!FileTimeToSystemTime(&tf, &ts)) { + error_setg(errp, "Failed to convert system time"); + return; + } + + acquire_privilege(SE_SYSTEMTIME_NAME, errp); + if (error_is_set(errp)) { + error_setg(errp, "Failed to acquire privilege"); + return; + } + + if (!SetSystemTime(&ts)) { + error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); + return; + } +} + int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err) { error_set(err, QERR_UNSUPPORTED);
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com> --- qga/commands-win32.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)