int config_parse_address_family_boolean_with_kernel(
const char* unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
AddressFamilyBoolean *fwd = data, s;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
s = address_family_boolean_from_string(rvalue);
if (s < 0) {
if (streq(rvalue, "kernel"))
s = _ADDRESS_FAMILY_BOOLEAN_INVALID;
else {
log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse IPForwarding= option, ignoring: %s", rvalue);
return 0;
}
}
*fwd = s;
return 0;
}
int config_parse_address_family_boolean_with_kernel(
const char* unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
AddressFamilyBoolean *fwd = data, s;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
/* This function is mostly obsolete now. It simply redirects
* "kernel" to "no". In older networkd versions we used to
* distuingish IPForward=off from IPForward=kernel, where the
* former would explicitly turn off forwarding while the
* latter would simply not touch the setting. But that logic
* is gone, hence silently accept the old setting, but turn it
* to "no". */
s = address_family_boolean_from_string(rvalue);
if (s < 0) {
if (streq(rvalue, "kernel"))
s = ADDRESS_FAMILY_NO;
else {
log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPForward= option, ignoring: %s", rvalue);
return 0;
}
}
*fwd = s;
return 0;
}