char *
virSystemdGetMachineNameByPID(pid_t pid)
{
DBusConnection *conn;
DBusMessage *reply = NULL;
char *name = NULL, *object = NULL;
if (virSystemdHasMachined() < 0)
goto cleanup;
if (!(conn = virDBusGetSystemBus()))
goto cleanup;
if (virDBusCallMethod(conn, &reply, NULL,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachineByPID",
"u", pid) < 0)
goto cleanup;
if (virDBusMessageDecode(reply, "o", &object) < 0)
goto cleanup;
virDBusMessageUnref(reply);
reply = NULL;
VIR_DEBUG("Domain with pid %lld has object path '%s'",
(long long) pid, object);
if (virDBusCallMethod(conn, &reply, NULL,
"org.freedesktop.machine1",
object,
"org.freedesktop.DBus.Properties",
"Get",
"ss",
"org.freedesktop.machine1.Machine",
"Name") < 0)
goto cleanup;
if (virDBusMessageDecode(reply, "v", "s", &name) < 0)
goto cleanup;
VIR_DEBUG("Domain with pid %lld has machine name '%s'",
(long long) pid, name);
cleanup:
VIR_FREE(object);
virDBusMessageUnref(reply);
return name;
}
VIR_MOCK_WRAP_RET_ARGS(dbus_connection_send_with_reply_and_block,
DBusMessage *,
DBusConnection *, connection,
DBusMessage *, message,
int, timeout_milliseconds,
DBusError *, error)
{
DBusMessage *reply = NULL;
const char *service = dbus_message_get_destination(message);
const char *member = dbus_message_get_member(message);
size_t i;
size_t nargs = 0;
char **args = NULL;
char *type = NULL;
VIR_MOCK_REAL_INIT(dbus_connection_send_with_reply_and_block);
if (STREQ(service, "org.freedesktop.DBus") &&
STREQ(member, "ListNames")) {
const char *svc1 = "org.foo.bar.wizz";
const char *svc2 = VIR_FIREWALL_FIREWALLD_SERVICE;
DBusMessageIter iter;
DBusMessageIter sub;
reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
"s", &sub);
if (!dbus_message_iter_append_basic(&sub,
DBUS_TYPE_STRING,
&svc1))
goto error;
if (!fwDisabled &&
!dbus_message_iter_append_basic(&sub,
DBUS_TYPE_STRING,
&svc2))
goto error;
dbus_message_iter_close_container(&iter, &sub);
} else if (STREQ(service, VIR_FIREWALL_FIREWALLD_SERVICE) &&
STREQ(member, "passthrough")) {
bool isAdd = false;
bool doError = false;
if (virDBusMessageDecode(message,
"sa&s",
&type,
&nargs,
&args) < 0)
goto error;
for (i = 0; i < nargs; i++) {
/* Fake failure on the command with this IP addr */
if (STREQ(args[i], "-A")) {
isAdd = true;
} else if (isAdd && STREQ(args[i], "192.168.122.255")) {
doError = true;
}
}
if (fwBuf) {
if (STREQ(type, "ipv4"))
virBufferAddLit(fwBuf, IPTABLES_PATH);
else if (STREQ(type, "ipv4"))
virBufferAddLit(fwBuf, IP6TABLES_PATH);
else
virBufferAddLit(fwBuf, EBTABLES_PATH);
}
for (i = 0; i < nargs; i++) {
if (fwBuf) {
virBufferAddLit(fwBuf, " ");
virBufferEscapeShell(fwBuf, args[i]);
}
}
if (fwBuf)
virBufferAddLit(fwBuf, "\n");
if (doError) {
dbus_set_error_const(error,
"org.firewalld.error",
"something bad happened");
} else {
if (nargs == 1 &&
STREQ(type, "ipv4") &&
STREQ(args[0], "-L")) {
if (virDBusCreateReply(&reply,
"s", TEST_FILTER_TABLE_LIST) < 0)
goto error;
} else if (nargs == 3 &&
STREQ(type, "ipv4") &&
STREQ(args[0], "-t") &&
STREQ(args[1], "nat") &&
STREQ(args[2], "-L")) {
if (virDBusCreateReply(&reply,
"s", TEST_NAT_TABLE_LIST) < 0)
goto error;
} else {
if (virDBusCreateReply(&reply,
"s", "success") < 0)
goto error;
}
}
} else {
reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
}
cleanup:
VIR_FREE(type);
for (i = 0; i < nargs; i++)
VIR_FREE(args[i]);
VIR_FREE(args);
return reply;
error:
virDBusMessageUnref(reply);
reply = NULL;
if (error && !dbus_error_is_set(error))
dbus_set_error_const(error,
"org.firewalld.error",
"something unexpected happened");
goto cleanup;
}
void
virSystemdNotifyStartup(void)
{
#ifdef HAVE_SYS_UN_H
const char *path;
const char *msg = "READY=1";
int fd;
struct sockaddr_un un = {
.sun_family = AF_UNIX,
};
struct iovec iov = {
.iov_base = (char *)msg,
.iov_len = strlen(msg),
};
struct msghdr mh = {
.msg_name = &un,
.msg_iov = &iov,
.msg_iovlen = 1,
};
if (!(path = virGetEnvBlockSUID("NOTIFY_SOCKET"))) {
VIR_DEBUG("Skipping systemd notify, not requested");
return;
}
/* NB sun_path field is *not* NUL-terminated, hence >, not >= */
if (strlen(path) > sizeof(un.sun_path)) {
VIR_WARN("Systemd notify socket path '%s' too long", path);
return;
}
memcpy(un.sun_path, path, strlen(path));
if (un.sun_path[0] == '@')
un.sun_path[0] = '\0';
mh.msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(path);
fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if (fd < 0) {
VIR_WARN("Unable to create socket FD");
return;
}
if (sendmsg(fd, &mh, MSG_NOSIGNAL) < 0)
VIR_WARN("Failed to notify systemd");
VIR_FORCE_CLOSE(fd);
#endif /* HAVE_SYS_UN_H */
}
static int
virSystemdPMSupportTarget(const char *methodName, bool *result)
{
int ret;
DBusConnection *conn;
DBusMessage *message = NULL;
char *response;
ret = virDBusIsServiceEnabled("org.freedesktop.login1");
if (ret < 0)
return ret;
if ((ret = virDBusIsServiceRegistered("org.freedesktop.login1")) < 0)
return ret;
if (!(conn = virDBusGetSystemBus()))
return -1;
ret = -1;
if (virDBusCallMethod(conn,
&message,
NULL,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
methodName,
NULL) < 0)
return ret;
if ((ret = virDBusMessageDecode(message, "s", &response)) < 0)
goto cleanup;
*result = STREQ("yes", response) || STREQ("challenge", response);
ret = 0;
cleanup:
virDBusMessageUnref(message);
VIR_FREE(response);
return ret;
}
int virSystemdCanSuspend(bool *result)
{
return virSystemdPMSupportTarget("CanSuspend", result);
}
int virSystemdCanHibernate(bool *result)
{
return virSystemdPMSupportTarget("CanHibernate", result);
}
int virSystemdCanHybridSleep(bool *result)
{
return virSystemdPMSupportTarget("CanHybridSleep", result);
}
