static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct instance *o = vo;
o->i = i;
// read arguments
NCDValRef arg_choices;
NCDValRef arg_default_result;
if (!NCDVal_ListRead(params->args, 2, &arg_choices, &arg_default_result)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsList(arg_choices)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// iterate choices
int have_result = 0;
size_t count = NCDVal_ListCount(arg_choices);
for (size_t j = 0; j < count; j++) {
NCDValRef c = NCDVal_ListGet(arg_choices, j);
// check choice type
if (!NCDVal_IsList(c)) {
ModuleLog(i, BLOG_ERROR, "wrong choice type");
goto fail0;
}
// read choice
NCDValRef c_cond;
NCDValRef c_result;
if (!NCDVal_ListRead(c, 2, &c_cond, &c_result)) {
ModuleLog(i, BLOG_ERROR, "wrong choice contents arity");
goto fail0;
}
if (!NCDVal_IsString(c_cond)) {
ModuleLog(i, BLOG_ERROR, "wrong choice condition type");
goto fail0;
}
// update result
if (!have_result && ncd_read_boolean(c_cond)) {
o->result = c_result;
have_result = 1;
}
}
// default?
if (!have_result) {
o->result = arg_default_result;
}
// signal up
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 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 (!ipaddr_parse_ipv4_ifaddr(NCDVal_StringMemRef(addr_arg), &o->ifaddr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong CIDR notation address");
goto fail1;
}
} else {
if (!ipaddr_parse_ipv4_addr(NCDVal_StringMemRef(addr_arg), &o->ifaddr.addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong address");
goto fail1;
}
if (!ipaddr_parse_ipv4_prefix(NCDVal_StringMemRef(prefix_arg), &o->ifaddr.prefix)) {
ModuleLog(o->i, BLOG_ERROR, "wrong prefix");
goto fail1;
}
}
// add address
if (!NCDIfConfig_add_ipv4_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 (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct instance *o = vo;
o->i = i;
// check arguments
NCDValRef ms_start_arg;
NCDValRef ms_stop_arg = NCDVal_NewInvalid();
if (!NCDVal_ListRead(params->args, 1, &ms_start_arg) &&
!NCDVal_ListRead(params->args, 2, &ms_start_arg, &ms_stop_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
uintmax_t ms;
btime_t ms_start;
if (NCDVal_IsString(ms_start_arg) && NCDVal_StringEqualsId(ms_start_arg, NCD_STRING_EMPTY)) {
ms_start = -1;
} else {
if (!ncd_read_uintmax(ms_start_arg, &ms) || ms > INT64_MAX) {
ModuleLog(o->i, BLOG_ERROR, "wrong start time");
goto fail0;
}
ms_start = ms;
}
if (NCDVal_IsInvalid(ms_stop_arg) || (NCDVal_IsString(ms_stop_arg) && NCDVal_StringEqualsId(ms_stop_arg, NCD_STRING_EMPTY))) {
o->ms_stop = -1;
} else {
if (!ncd_read_uintmax(ms_stop_arg, &ms) || ms > INT64_MAX) {
ModuleLog(o->i, BLOG_ERROR, "wrong stop time");
goto fail0;
}
o->ms_stop = ms;
}
// init timer
BTimer_Init(&o->timer, 0, timer_handler, o);
// set not dying
o->dying = 0;
if (ms_start < 0) {
// go up
NCDModuleInst_Backend_Up(i);
} else {
// set timer
BReactor_SetTimerAfter(o->i->params->iparams->reactor, &o->timer, ms_start);
}
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void prefix_to_mask_func_init (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// read arguments
NCDValRef prefix_arg;
if (!NCDVal_ListRead(params->args, 1, &prefix_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(prefix_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse prefix
int prefix;
if (!ipaddr_parse_ipv4_prefix(NCDVal_StringMemRef(prefix_arg), &prefix)) {
ModuleLog(i, BLOG_ERROR, "bad prefix");
goto fail0;
}
// make mask
uint32_t mask = ipaddr_ipv4_mask_from_prefix(prefix);
addr_func_init_templ(vo, i, mask);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void new_templ (NCDModuleInst *i, const struct NCDModuleInst_new_params *params, int is_not)
{
// check arguments
NCDValRef arg;
if (!NCDVal_ListRead(params->args, 1, &arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
int arg_val;
if (!ncd_read_boolean(arg, &arg_val)) {
ModuleLog(i, BLOG_ERROR, "bad argument");
goto fail0;
}
// compute logical value of argument
int c = arg_val;
// signal up if needed
if ((is_not && !c) || (!is_not && c)) {
NCDModuleInst_Backend_Up(i);
}
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void new_number_templ (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, number_compute_func cfunc)
{
struct number_instance *o = vo;
o->i = i;
NCDValRef n1_arg;
NCDValRef n2_arg;
if (!NCDVal_ListRead(params->args, 2, &n1_arg, &n2_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
uintmax_t n1;
if (!ncd_read_uintmax(n1_arg, &n1)) {
ModuleLog(o->i, BLOG_ERROR, "wrong first argument");
goto fail0;
}
uintmax_t n2;
if (!ncd_read_uintmax(n2_arg, &n2)) {
ModuleLog(o->i, BLOG_ERROR, "wrong second argument");
goto fail0;
}
o->error = cfunc(i, n1, n2, &o->value);
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// check arguments
NCDValRef exit_code_arg;
if (!NCDVal_ListRead(params->args, 1, &exit_code_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(exit_code_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse exit code
uintmax_t exit_code;
if (!ncd_read_uintmax(exit_code_arg, &exit_code) || exit_code >= INT_MAX) {
ModuleLog(i, BLOG_ERROR, "wrong exit code value");
goto fail0;
}
// signal up
NCDModuleInst_Backend_Up(i);
// initiate exit (before up!)
NCDModuleInst_Backend_InterpExit(i, exit_code);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void new_templ (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, parse_func pfunc)
{
struct instance *o = vo;
o->i = i;
// read arguments
NCDValRef str_arg;
if (!NCDVal_ListRead(params->args, 1, &str_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(str_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// init mem
NCDValMem_Init(&o->mem);
// parse
o->succeeded = pfunc(i, NCDVal_StringMemRef(str_arg), &o->mem, &o->value);
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new_from_value (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// read arguments
NCDValRef arg_value;
if (!NCDVal_ListRead(params->args, 1, &arg_value)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(arg_value)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse value
uintmax_t value;
if (!ncd_read_uintmax(arg_value, &value)) {
ModuleLog(i, BLOG_ERROR, "wrong value");
goto fail0;
}
// check overflow
if (value > SIZE_MAX) {
ModuleLog(i, BLOG_ERROR, "value too large");
goto fail0;
}
func_new_templ(vo, i, value);
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 target_arg;
if (!NCDVal_ListRead(params->args, 1, &target_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(target_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse name string
if (!AliasNames_InitNames(o, i->params->iparams->string_index, NCDVal_StringData(target_arg), NCDVal_StringLength(target_arg))) {
ModuleLog(i, BLOG_ERROR, "make_names failed");
goto fail0;
}
// signal up
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;
// check arguments
NCDValRef arg;
if (!NCDVal_ListRead(params->args, 1, &arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsStringNoNulls(arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
o->ifname = NCDVal_StringMemRef(arg);
// init client
NCDUdevClient_Init(&o->client, o->i->params->iparams->umanager, o, (NCDUdevClient_handler)client_handler);
// compile regex
if (regcomp(&o->reg, DEVPATH_REGEX, REG_EXTENDED)) {
ModuleLog(o->i, BLOG_ERROR, "regcomp failed");
goto fail1;
}
// set no devpath
o->devpath = NULL;
return;
fail1:
NCDUdevClient_Free(&o->client);
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;
// check arguments
NCDValRef str1_arg;
NCDValRef str2_arg;
if (!NCDVal_ListRead(params->args, 2, &str1_arg, &str2_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(str1_arg) || !NCDVal_IsString(str2_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// compare
o->result = (NCDVal_Compare(str1_arg, str2_arg) == 0);
// signal up
NCDModuleInst_Backend_Up(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;
// check arguments
if (!NCDVal_ListRead(params->args, 0)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
// init users list
LinkedList1_Init(&o->users);
// init rdownups list
LinkedList0_Init(&o->rdownups_list);
// set not up
o->up = 0;
// set not dying
o->dying = 0;
// signal up
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;
// check arguments
NCDValRef type_arg;
NCDValRef name_arg;
if (!NCDVal_ListRead(params->args, 2, &type_arg, &name_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(type_arg) || !NCDVal_IsStringNoNulls(name_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// null terminate name
NCDValNullTermString name_nts;
if (!NCDVal_StringNullTerminate(name_arg, &name_nts)) {
ModuleLog(o->i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
if (NCDVal_StringEquals(type_arg, "index")) {
if (sscanf(name_nts.data, "%"SCNu32, &o->index) != 1) {
ModuleLog(o->i, BLOG_ERROR, "wrong index argument");
goto fail1;
}
}
else if (NCDVal_StringEquals(type_arg, "wlan")) {
if (!find_wlan_rfill(name_nts.data, &o->index)) {
ModuleLog(o->i, BLOG_ERROR, "failed to find rfkill for wlan interface");
goto fail1;
}
}
else {
ModuleLog(o->i, BLOG_ERROR, "unknown type argument");
goto fail1;
}
// init monitor
if (!NCDRfkillMonitor_Init(&o->monitor, o->i->params->iparams->reactor, (NCDRfkillMonitor_handler)monitor_handler, o)) {
ModuleLog(o->i, BLOG_ERROR, "monitor failed");
goto fail1;
}
// set not up
o->up = 0;
// free name nts
NCDValNullTermString_Free(&name_nts);
return;
fail1:
NCDValNullTermString_Free(&name_nts);
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 input_arg;
NCDValRef regex_arg;
if (!NCDVal_ListRead(params->args, 2, &input_arg, ®ex_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(input_arg) || !NCDVal_IsStringNoNulls(regex_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
o->input = NCDVal_StringMemRef(input_arg);
// make sure we don't overflow regoff_t
if (o->input.len > INT_MAX) {
ModuleLog(o->i, BLOG_ERROR, "input string too long");
goto fail0;
}
// null terminate regex
NCDValNullTermString regex_nts;
if (!NCDVal_StringNullTerminate(regex_arg, ®ex_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
// compile regex
regex_t preg;
int ret = regcomp(&preg, regex_nts.data, REG_EXTENDED);
NCDValNullTermString_Free(®ex_nts);
if (ret != 0) {
ModuleLog(o->i, BLOG_ERROR, "regcomp failed (error=%d)", ret);
goto fail0;
}
// execute match
o->matches[0].rm_so = 0;
o->matches[0].rm_eo = o->input.len;
o->succeeded = (regexec(&preg, o->input.ptr, MAX_MATCHES, o->matches, REG_STARTEND) == 0);
// free regex
regfree(&preg);
// signal up
NCDModuleInst_Backend_Up(o->i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void stat_func_new_common (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, int is_lstat)
{
struct stat_instance *o = vo;
o->i = i;
NCDValRef filename_arg;
if (!NCDVal_ListRead(params->args, 1, &filename_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(filename_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
o->succeeded = 0;
if (!NCDVal_IsStringNoNulls(filename_arg)) {
goto out;
}
// null terminate filename
NCDValNullTermString filename_nts;
if (!NCDVal_StringNullTerminate(filename_arg, &filename_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
int res;
if (is_lstat) {
res = lstat(filename_nts.data, &o->result);
} else {
res = stat(filename_nts.data, &o->result);
}
NCDValNullTermString_Free(&filename_nts);
if (res < 0) {
goto out;
}
o->succeeded = 1;
out:
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// check arguments
if (!NCDVal_ListRead(params->args, 0)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
// go up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, int is_not, int is_or)
{
struct instance *o = vo;
o->i = i;
// compute value from arguments
if (is_not) {
NCDValRef arg;
if (!NCDVal_ListRead(params->args, 1, &arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
int arg_val;
if (!ncd_read_boolean(arg, &arg_val)) {
ModuleLog(o->i, BLOG_ERROR, "bad argument");
goto fail0;
}
o->value = !arg_val;
} else {
o->value = (is_or ? 0 : 1);
size_t count = NCDVal_ListCount(params->args);
for (size_t j = 0; j < count; j++) {
NCDValRef arg = NCDVal_ListGet(params->args, j);
int this_value;
if (!ncd_read_boolean(arg, &this_value)) {
ModuleLog(o->i, BLOG_ERROR, "bad argument");
goto fail0;
}
if (is_or) {
o->value = o->value || this_value;
} else {
o->value = o->value && this_value;
}
}
}
// signal up
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 arg_ifname;
NCDValRef arg_addr;
if (!NCDVal_ListRead(params->args, 2, &arg_ifname, &arg_addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsStringNoNulls(arg_ifname) || !NCDVal_IsString(arg_addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse address
uint32_t addr;
if (!ipaddr_parse_ipv4_addr_bin(NCDVal_StringData(arg_addr), NCDVal_StringLength(arg_addr), &addr)) {
ModuleLog(o->i, BLOG_ERROR, "wrong address");
goto fail0;
}
// null terminate ifname
NCDValNullTermString ifname_nts;
if (!NCDVal_StringNullTerminate(arg_ifname, &ifname_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
// init arpprobe
int res = BArpProbe_Init(&o->arpprobe, ifname_nts.data, addr, i->params->iparams->reactor, o, (BArpProbe_handler)arpprobe_handler);
NCDValNullTermString_Free(&ifname_nts);
if (!res) {
ModuleLog(o->i, BLOG_ERROR, "BArpProbe_Init failed");
goto fail0;
}
// set state unknown
o->state = STATE_UNKNOWN;
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;
// check arguments
if (!NCDVal_ListRead(params->args, 0)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void new_templ (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params, compute_func cfunc)
{
struct instance *o = vo;
o->i = i;
NCDValRef v1_arg;
NCDValRef v2_arg;
if (!NCDVal_ListRead(params->args, 2, &v1_arg, &v2_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
o->result = cfunc(v1_arg, v2_arg);
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void go_func_new (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// check arguments
if (!NCDVal_ListRead(params->args, 0)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
// get backtrack point
NCDModuleInst *backtrack_point_inst = params->method_user;
// go up (after toggling)
NCDModuleInst_Backend_Up(i);
// toggle backtrack point
NCDModuleInst_Backend_DownUp(backtrack_point_inst);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void read_func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct read_instance *o = vo;
o->i = i;
// read arguments
NCDValRef filename_arg;
if (!NCDVal_ListRead(params->args, 1, &filename_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsStringNoNulls(filename_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// get null terminated name
NCDValNullTermString filename_nts;
if (!NCDVal_StringNullTerminate(filename_arg, &filename_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
// read file
int res = read_file(filename_nts.data, &o->file_data, &o->file_len);
NCDValNullTermString_Free(&filename_nts);
if (!res) {
ModuleLog(i, BLOG_ERROR, "failed to read file");
goto fail0;
}
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void ipv6_cidr_addr_func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct ipv6_cidr_instance *o = vo;
o->i = i;
NCDValRef str_arg;
if (!NCDVal_ListRead(params->args, 1, &str_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(str_arg)) {
ModuleLog(o->i, BLOG_ERROR, "wrong type");
goto fail0;
}
o->succeeded = ipaddr6_parse_ipv6_ifaddr(NCDVal_StringMemRef(str_arg), &o->ifaddr);
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void ipv4_net_from_addr_and_prefix_func_init (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// read arguments
NCDValRef addr_arg;
NCDValRef prefix_arg;
if (!NCDVal_ListRead(params->args, 2, &addr_arg, &prefix_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(addr_arg) || !NCDVal_IsString(prefix_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse addr
uint32_t addr;
if (!ipaddr_parse_ipv4_addr(NCDVal_StringMemRef(addr_arg), &addr)) {
ModuleLog(i, BLOG_ERROR, "bad addr");
goto fail0;
}
// parse prefix
int prefix;
if (!ipaddr_parse_ipv4_prefix(NCDVal_StringMemRef(prefix_arg), &prefix)) {
ModuleLog(i, BLOG_ERROR, "bad prefix");
goto fail0;
}
// make network
uint32_t network = (addr & ipaddr_ipv4_mask_from_prefix(prefix));
addr_func_init_templ(vo, i, network);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void rgo_func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct rgo_instance *o = vo;
o->i = i;
// check arguments
if (!NCDVal_ListRead(params->args, 0)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
// get backtrack point
NCDModuleInst *backtrack_point_inst = params->method_user;
// init object reference to the backtrack_point
NCDModuleRef_Init(&o->bp_ref, backtrack_point_inst);
// go up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void write_func_new (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
// read arguments
NCDValRef filename_arg;
NCDValRef contents_arg;
if (!NCDVal_ListRead(params->args, 2, &filename_arg, &contents_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsStringNoNulls(filename_arg) || !NCDVal_IsString(contents_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// get null terminated name
NCDValNullTermString filename_nts;
if (!NCDVal_StringNullTerminate(filename_arg, &filename_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail0;
}
// write file
int res = write_file(filename_nts.data, NCDVal_StringMemRef(contents_arg));
NCDValNullTermString_Free(&filename_nts);
if (!res) {
ModuleLog(i, BLOG_ERROR, "failed to write file");
goto fail0;
}
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void mask_to_prefix_func_init (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct prefix_instance *o = vo;
o->i = i;
// read arguments
NCDValRef mask_arg;
if (!NCDVal_ListRead(params->args, 1, &mask_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail0;
}
if (!NCDVal_IsString(mask_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail0;
}
// parse mask
uint32_t mask;
if (!ipaddr_parse_ipv4_addr(NCDVal_StringMemRef(mask_arg), &mask)) {
ModuleLog(i, BLOG_ERROR, "bad mask");
goto fail0;
}
// build prefix
if (!ipaddr_ipv4_prefix_from_mask(mask, &o->prefix)) {
ModuleLog(i, BLOG_ERROR, "bad mask");
goto fail0;
}
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail0:
NCDModuleInst_Backend_DeadError(i);
}
static void replace_func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
struct replace_instance *o = vo;
o->i = i;
// read arguments
NCDValRef input_arg;
NCDValRef regex_arg;
NCDValRef replace_arg;
if (!NCDVal_ListRead(params->args, 3, &input_arg, ®ex_arg, &replace_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong arity");
goto fail1;
}
if (!NCDVal_IsString(input_arg) || !NCDVal_IsList(regex_arg) || !NCDVal_IsList(replace_arg)) {
ModuleLog(i, BLOG_ERROR, "wrong type");
goto fail1;
}
// check number of regex/replace
if (NCDVal_ListCount(regex_arg) != NCDVal_ListCount(replace_arg)) {
ModuleLog(i, BLOG_ERROR, "number of regex's is not the same as number of replacements");
goto fail1;
}
size_t num_regex = NCDVal_ListCount(regex_arg);
// allocate array for compiled regex's
regex_t *regs = BAllocArray(num_regex, sizeof(regs[0]));
if (!regs) {
ModuleLog(i, BLOG_ERROR, "BAllocArray failed");
goto fail1;
}
size_t num_done_regex = 0;
// compile regex's, check arguments
while (num_done_regex < num_regex) {
NCDValRef regex = NCDVal_ListGet(regex_arg, num_done_regex);
NCDValRef replace = NCDVal_ListGet(replace_arg, num_done_regex);
if (!NCDVal_IsStringNoNulls(regex) || !NCDVal_IsString(replace)) {
ModuleLog(i, BLOG_ERROR, "wrong regex/replace type for pair %zu", num_done_regex);
goto fail2;
}
// null terminate regex
NCDValNullTermString regex_nts;
if (!NCDVal_StringNullTerminate(regex, ®ex_nts)) {
ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
goto fail2;
}
int res = regcomp(®s[num_done_regex], regex_nts.data, REG_EXTENDED);
NCDValNullTermString_Free(®ex_nts);
if (res != 0) {
ModuleLog(i, BLOG_ERROR, "regcomp failed for pair %zu (error=%d)", num_done_regex, res);
goto fail2;
}
num_done_regex++;
}
// init output string
ExpString out;
if (!ExpString_Init(&out)) {
ModuleLog(i, BLOG_ERROR, "ExpString_Init failed");
goto fail2;
}
// input state
MemRef in = NCDVal_StringMemRef(input_arg);
size_t in_pos = 0;
// process input
while (in_pos < in.len) {
// find first match
int have_match = 0;
size_t match_regex = 0; // to remove warning
regmatch_t match = {0, 0}; // to remove warning
for (size_t j = 0; j < num_regex; j++) {
regmatch_t this_match;
this_match.rm_so = 0;
this_match.rm_eo = in.len - in_pos;
if (regexec(®s[j], in.ptr + in_pos, 1, &this_match, REG_STARTEND) == 0 && (!have_match || this_match.rm_so < match.rm_so)) {
have_match = 1;
match_regex = j;
match = this_match;
}
}
// if no match, append remaining data and finish
if (!have_match) {
if (!ExpString_AppendBinaryMr(&out, MemRef_SubFrom(in, in_pos))) {
ModuleLog(i, BLOG_ERROR, "ExpString_AppendBinaryMr failed");
goto fail3;
}
break;
}
// append data before match
if (!ExpString_AppendBinaryMr(&out, MemRef_Sub(in, in_pos, match.rm_so))) {
ModuleLog(i, BLOG_ERROR, "ExpString_AppendBinaryMr failed");
goto fail3;
}
// append replacement data
NCDValRef replace = NCDVal_ListGet(replace_arg, match_regex);
if (!ExpString_AppendBinaryMr(&out, NCDVal_StringMemRef(replace))) {
ModuleLog(i, BLOG_ERROR, "ExpString_AppendBinaryMr failed");
goto fail3;
}
in_pos += match.rm_eo;
}
// set output
o->output = ExpString_GetMr(&out);
// free compiled regex's
while (num_done_regex-- > 0) {
regfree(®s[num_done_regex]);
}
// free array
BFree(regs);
// signal up
NCDModuleInst_Backend_Up(i);
return;
fail3:
ExpString_Free(&out);
fail2:
while (num_done_regex-- > 0) {
regfree(®s[num_done_regex]);
}
BFree(regs);
fail1:
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);
}