int config_parse_label(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) {
Network *network = userdata;
_cleanup_address_free_ Address *n = NULL;
char *label;
int r;
assert(filename);
assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
r = address_new_static(network, section_line, &n);
if (r < 0)
return r;
label = strdup(rvalue);
if (!label)
return log_oom();
if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Interface label is not ASCII clean or is too"
" long, ignoring assignment: %s", rvalue);
free(label);
return 0;
}
free(n->label);
if (*label)
n->label = label;
else {
free(label);
n->label = NULL;
}
n = NULL;
return 0;
}
int config_parse_broadcast(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) {
Network *network = userdata;
_cleanup_address_free_ Address *n = NULL;
_cleanup_free_ char *address = NULL;
int r;
assert(filename);
assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
r = address_new_static(network, section_line, &n);
if (r < 0)
return r;
if (n->family == AF_INET6) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Broadcast is not valid for IPv6 addresses, "
"ignoring assignment: %s", address);
return 0;
}
r = net_parse_inaddr(address, &n->family, &n->broadcast);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Broadcast is invalid, ignoring assignment: %s", address);
return 0;
}
n = NULL;
return 0;
}
int config_parse_address(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) {
Network *network = userdata;
_cleanup_address_free_ Address *n = NULL;
_cleanup_free_ char *address = NULL;
const char *e;
int r;
assert(filename);
assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
if (streq(section, "Network")) {
/* we are not in an Address section, so treat
* this as the special '0' section */
section_line = 0;
}
r = address_new_static(network, section_line, &n);
if (r < 0)
return r;
/* Address=address/prefixlen */
/* prefixlen */
e = strchr(rvalue, '/');
if (e) {
unsigned i;
r = safe_atou(e + 1, &i);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Interface prefix length is invalid, "
"ignoring assignment: %s", e + 1);
return 0;
}
n->prefixlen = (unsigned char) i;
address = strndup(rvalue, e - rvalue);
if (!address)
return log_oom();
} else {
address = strdup(rvalue);
if (!address)
return log_oom();
}
r = net_parse_inaddr(address, &n->family, &n->in_addr);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Address is invalid, ignoring assignment: %s", address);
return 0;
}
if (n->family == AF_INET && !n->broadcast.s_addr)
n->broadcast.s_addr = n->in_addr.in.s_addr |
htonl(0xfffffffflu >> n->prefixlen);
n = NULL;
return 0;
}
