static ni_netdev_t *
__ni_objectmodel_tun_newlink(ni_netdev_t *cfg_ifp, const char *ifname, DBusError *error)
{
ni_netconfig_t *nc = ni_global_state_handle(0);
ni_netdev_t *new_ifp = NULL;
const ni_tun_t *tun;
const char *err;
int rv;
/* There's nothing in the device argument that we could use. */
ni_debug_dbus("TUN.newDevice(name=%s)", ifname);
if (ifname == NULL && !(ifname = ni_netdev_make_name(nc, "tun", 0))) {
dbus_set_error(error, DBUS_ERROR_FAILED, "Unable to create tun - too many interfaces");
goto out;
}
tun = ni_netdev_get_tun(cfg_ifp);
if ((err = ni_tun_validate(tun))) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, "%s", err);
goto out;
}
if ((rv = ni_system_tun_create(nc, ifname, tun, &new_ifp)) < 0) {
if (rv != -NI_ERROR_DEVICE_EXISTS || new_ifp == NULL
|| (ifname && new_ifp && !ni_string_eq(new_ifp->name, ifname))) {
ni_dbus_set_error_from_code(error, rv,
"unable to create TUN interface %s",
ifname);
new_ifp = NULL;
goto out;
}
ni_debug_dbus("TUN interface exists (and name matches)");
}
if (new_ifp->link.type != NI_IFTYPE_TUN) {
dbus_set_error(error,
DBUS_ERROR_FAILED,
"Unable to create TUN interface: new interface is of type %s",
ni_linktype_type_to_name(new_ifp->link.type));
new_ifp = NULL;
}
out:
if (cfg_ifp)
ni_netdev_put(cfg_ifp);
return new_ifp;
}
static ni_netdev_t *
__ni_objectmodel_ppp_newlink(ni_netdev_t *cfg, const char *ifname, DBusError *error)
{
ni_netconfig_t *nc = ni_global_state_handle(0);
ni_netdev_t *new_dev = NULL;
int rv;
ni_debug_dbus("PPP.newDevice(name=%s)", ifname);
if (ifname == NULL && !(ifname = ni_netdev_make_name(nc, "ppp"))) {
dbus_set_error(error, DBUS_ERROR_FAILED, "Unable to create ppp - too many interfaces");
return NULL;
}
if ((rv = ni_system_ppp_create(nc, ifname, cfg->ppp, &new_dev)) < 0) {
if (rv != -NI_ERROR_DEVICE_EXISTS
&& (ifname != NULL && strcmp(ifname, new_dev->name))) {
ni_dbus_set_error_from_code(error, rv,
"unable to create PPP interface %s",
ifname);
return NULL;
}
ni_debug_dbus("PPP interface exists (and name matches)");
}
if (new_dev->link.type != NI_IFTYPE_PPP) {
dbus_set_error(error,
DBUS_ERROR_FAILED,
"Unable to create PPP interface: new interface is of type %s",
ni_linktype_type_to_name(new_dev->link.type));
/* FIXME: delete device? */
return NULL;
}
if (ni_ppp_write_config(new_dev->ppp) < 0) {
dbus_set_error(error,
DBUS_ERROR_FAILED,
"Unable to create PPP interface: failed to write coniguration files");
/* FIXME: delete device */
return NULL;
}
return new_dev;
}
/*
* Delete a PPP interface
*/
dbus_bool_t
ni_objectmodel_ppp_delete(ni_dbus_object_t *object, const ni_dbus_method_t *method,
unsigned int argc, const ni_dbus_variant_t *argv,
ni_dbus_message_t *reply, DBusError *error)
{
ni_netdev_t *dev;
int rv;
if (!(dev = ni_objectmodel_unwrap_netif(object, error)))
return FALSE;
NI_TRACE_ENTER_ARGS("dev=%s", dev->name);
if ((rv = ni_system_ppp_delete(dev)) < 0) {
ni_dbus_set_error_from_code(error, rv,
"Unable to delete PPP interface %s: %s",
dev->name, ni_strerror(rv));
return FALSE;
}
ni_dbus_object_free(object);
return TRUE;
}
/*
* Create a new TUN/TAP interface
*/
static ni_netdev_t *
__ni_objectmodel_tuntap_create(ni_netdev_t *cfg, DBusError *error)
{
ni_netconfig_t *nc = ni_global_state_handle(0);
ni_netdev_t *dev = NULL;
const char *iftype;
const ni_tuntap_t *tuntap;
const char *err;
int rv;
iftype = ni_linktype_type_to_name(cfg->link.type);
if (cfg->link.type != NI_IFTYPE_TUN && cfg->link.type != NI_IFTYPE_TAP) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"BUG: Cannot handle %s type in tun/tap factory", iftype);
return NULL;
}
ni_debug_dbus("%s.newDevice(name=%s)", iftype, cfg->name);
tuntap = ni_netdev_get_tuntap(cfg);
if ((err = ni_tuntap_validate(tuntap))) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, "%s", err);
return NULL;
}
if (ni_string_empty(cfg->name)) {
if (ni_string_empty(cfg->name) &&
(cfg->name = (char *) ni_netdev_make_name(nc, iftype, 0))) {
ni_string_dup(&cfg->name, cfg->name);
} else {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"Unable to create %s interface: "
"name argument missed", iftype);
return NULL;
}
cfg->name = NULL;
} else if(!ni_string_eq(cfg->name, cfg->name)) {
ni_string_dup(&cfg->name, cfg->name);
}
if (cfg->link.type == NI_IFTYPE_TAP && cfg->link.hwaddr.len) {
if (cfg->link.hwaddr.type == ARPHRD_VOID)
cfg->link.hwaddr.type = ARPHRD_ETHER;
if (cfg->link.hwaddr.type != ARPHRD_ETHER
|| cfg->link.hwaddr.len != ni_link_address_length(ARPHRD_ETHER)) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"Cannot create %s interface: "
"invalid ethernet address '%s'", iftype,
ni_link_address_print(&cfg->link.hwaddr));
return NULL;
}
}
if ((rv = ni_system_tuntap_create(nc, cfg, &dev)) < 0) {
if (rv != -NI_ERROR_DEVICE_EXISTS || dev == NULL
|| (cfg->name && dev && !ni_string_eq(dev->name, cfg->name))) {
ni_dbus_set_error_from_code(error, rv,
"Unable to create %s interface %s",
iftype, cfg->name);
return NULL;
}
ni_debug_dbus("%s interface exists (and name matches)", iftype);
}
if (dev->link.type != cfg->link.type) {
dbus_set_error(error,
DBUS_ERROR_FAILED,
"Unable to create %s: existing interface %s is of type %s",
iftype, dev->name, ni_linktype_type_to_name(dev->link.type));
return NULL;
}
return dev;
}
