static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct instance *o = vo;
o->i = i;
// read arguments
NCDValRef ifname_arg;
NCDValRef addr_arg;
NCDValRef prefix_arg = NCDVal_NewInvalid();
if (!NCDVal_ListRead(params->args, 2, &ifname_arg, &addr_arg) &&
!NCDVal_ListRead(params->args, 3, &ifname_arg, &addr_arg, &prefix_arg)
) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsStringNoNulls(ifname_arg) || !NCDVal_IsString(addr_arg) ||
(!NCDVal_IsInvalid(prefix_arg) && !NCDVal_IsString(prefix_arg))
) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// null terminate ifname
if (!NCDVal_StringNullTerminate(ifname_arg, &o->ifname_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
if (NCDVal_IsInvalid(prefix_arg)) {
if (!ipaddr6_parse_ipv6_ifaddr_bin(NCDVal_StringData(addr_arg), NCDVal_StringLength(addr_arg), &o->ifaddr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong CIDR notation address");
goto fail1;
}
} else {
if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(addr_arg), NCDVal_StringLength(addr_arg), &o->ifaddr.addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong address");
goto fail1;
}
if (!ipaddr6_parse_ipv6_prefix_bin(NCDVal_StringData(prefix_arg), NCDVal_StringLength(prefix_arg), &o->ifaddr.prefix)) {
ModuleLog(o->i, BLOG_ERROR, "wrong prefix");
goto fail1;
}
}
// add address
if (!NCDIfConfig_add_ipv6_addr(o->ifname_nts.data, o->ifaddr)) {
ModuleLog(o->i, BLOG_ERROR, "failed to add IP address");
goto fail1;
}
// signal up
NCDModuleInst_Backend_Up(o->i);
return;
fail1:
NCDValNullTermString_Free(&o->ifname_nts);
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new_common (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, int is_ifnot)
{
struct instance *o = vo;
o->i = i;
// read arguments
NCDValRef arg_addr;
NCDValRef arg_net_addr;
NCDValRef arg_net_prefix = NCDVal_NewInvalid();
if (!NCDVal_ListRead(params->args, 2, &arg_addr, &arg_net_addr) &&
!NCDVal_ListRead(params->args, 3, &arg_addr, &arg_net_addr, &arg_net_prefix)
) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(arg_addr) || !NCDVal_IsString(arg_net_addr) ||
(!NCDVal_IsInvalid(arg_net_prefix) && !NCDVal_IsString(arg_net_prefix))
) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse addr
struct ipv6_addr addr;
if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(arg_addr), NCDVal_StringLength(arg_addr), &addr)) {
ModuleLog(o->i, BLOG_ERROR, "bad address");
goto fail0;
}
// parse network
struct ipv6_ifaddr network;
if (NCDVal_IsInvalid(arg_net_prefix)) {
if (!ipaddr6_parse_ipv6_ifaddr_bin(NCDVal_StringData(arg_net_addr), NCDVal_StringLength(arg_net_addr), &network)) {
ModuleLog(o->i, BLOG_ERROR, "bad network in CIDR notation");
goto fail0;
}
} else {
if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(arg_net_addr), NCDVal_StringLength(arg_net_addr), &network.addr)) {
ModuleLog(o->i, BLOG_ERROR, "bad network address");
goto fail0;
}
if (!ipaddr6_parse_ipv6_prefix_bin(NCDVal_StringData(arg_net_prefix), NCDVal_StringLength(arg_net_prefix), &network.prefix)) {
ModuleLog(o->i, BLOG_ERROR, "bad network prefix");
goto fail0;
}
}
// test
o->value = ipaddr6_ipv6_addrs_in_network(addr, network.addr, network.prefix);
if (is_ifnot && o->value) {
ModuleLog(o->i, BLOG_ERROR, "addresses belong to same subnet, not proceeding");
}
// signal up
if (!is_ifnot || !o->value) {
NCDModuleInst_Backend_Up(o->i);
}
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct instance *o = vo;
o->i = i;
// read arguments
NCDValRef dest_arg;
NCDValRef dest_prefix_arg = NCDVal_NewInvalid();
NCDValRef gateway_arg;
NCDValRef metric_arg;
NCDValRef ifname_arg;
if (!NCDVal_ListRead(params->args, 4, &dest_arg, &gateway_arg, &metric_arg, &ifname_arg) &&
!NCDVal_ListRead(params->args, 5, &dest_arg, &dest_prefix_arg, &gateway_arg, &metric_arg, &ifname_arg)
) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(dest_arg) || !NCDVal_IsString(gateway_arg) ||
!NCDVal_IsStringNoNulls(ifname_arg) ||
(!NCDVal_IsInvalid(dest_prefix_arg) && !NCDVal_IsString(dest_prefix_arg))
) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// read dest
if (NCDVal_IsInvalid(dest_prefix_arg)) {
if (!ipaddr6_parse_ipv6_ifaddr_bin(NCDVal_StringData(dest_arg), NCDVal_StringLength(dest_arg), &o->dest)) {
ModuleLog(o->i, BLOG_ERROR, "wrong CIDR notation dest");
goto fail0;
}
} else {
if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(dest_arg), NCDVal_StringLength(dest_arg), &o->dest.addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong dest addr");
goto fail0;
}
if (!ipaddr6_parse_ipv6_prefix_bin(NCDVal_StringData(dest_prefix_arg), NCDVal_StringLength(dest_prefix_arg), &o->dest.prefix)) {
ModuleLog(o->i, BLOG_ERROR, "wrong dest prefix");
goto fail0;
}
}
// read gateway and choose type
if (NCDVal_StringEquals(gateway_arg, "none")) {
o->type = TYPE_IFONLY;
}
else if (NCDVal_StringEquals(gateway_arg, "blackhole")) {
o->type = TYPE_BLACKHOLE;
} else {
if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(gateway_arg), NCDVal_StringLength(gateway_arg), &o->gateway)) {
ModuleLog(o->i, BLOG_ERROR, "wrong gateway");
goto fail0;
}
o->type = TYPE_NORMAL;
}
// read metric
uintmax_t metric;
if (!ncd_read_uintmax(metric_arg, &metric) || metric > INT_MAX) {
ModuleLog(i, BLOG_ERROR, "bad metric");
goto fail0;
}
o->metric = metric;
// null terminate ifname
if (!NCDVal_StringNullTerminate(ifname_arg, &o->ifname_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
// add route
int res = 0; // to remove warning
switch (o->type) {
case TYPE_NORMAL:
res = NCDIfConfig_add_ipv6_route(o->dest, &o->gateway, o->metric, o->ifname_nts.data);
break;
case TYPE_IFONLY:
res = NCDIfConfig_add_ipv6_route(o->dest, NULL, o->metric, o->ifname_nts.data);
break;
case TYPE_BLACKHOLE:
res = NCDIfConfig_add_ipv6_blackhole_route(o->dest, o->metric);
break;
default: ASSERT(0);
}
if (!res) {
ModuleLog(o->i, BLOG_ERROR, "failed to add route");
goto fail1;
}
// signal up
NCDModuleInst_Backend_Up(o->i);
return;
fail1:
NCDValNullTermString_Free(&o->ifname_nts);
fail0:
NCDModuleInst_Backend_DeadError(i);
}
