static int
iprange_net6_collision(const void *p, const void *q)
{
const struct iprange_net6 *a = p, *b = q;
g_warning("iprange_sync(): %s/%u overlaps with %s/%u",
ipv6_to_string(a->ip), a->bits, ipv6_to_string2(b->ip), b->bits);
return CMP(b->bits, a->bits); /* Reversed comparison */
}
static int
iprange_net6_collision(const void *p, const void *q)
{
const struct iprange_net6 *a = p, *b = q;
g_warning("iprange_sync(): %s/%u overlaps with %s/%u",
ipv6_to_string(a->ip), a->bits, ipv6_to_string2(b->ip), b->bits);
return a->bits < b->bits ? 1 : -1;
}
/**
* Parse an IPv6 Geo IP line and record the range in the database.
*/
static void
gip_parse_ipv6(const char *line, int linenum)
{
const char *end;
uint16 code;
int error;
uint8 ip[16];
unsigned bits;
/*
* Each line looks like:
*
* 2a03:be00::/32 nl
*
* The leading part up to the space is the IPv6 network in CIDR format.
* The trailing word is the 2-letter ISO country code.
*/
if (!parse_ipv6_addr(line, ip, &end)) {
g_warning("%s, line %d: bad IPv6 network address \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
if ('/' != *end) {
g_warning("%s, line %d: missing network separator in \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
bits = parse_uint(end + 1, &end, 10, &error);
if (error) {
g_warning("%s, line %d: cannot parse network bit amount in \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
if (bits > 128) {
g_warning("%s, line %d: invalid bit amount %u in \"%s\"",
gip_source[GIP_IPV6].file, linenum, bits, line);
return;
}
if (!is_ascii_space(*end)) {
g_warning("%s, line %d: missing spaces after network in \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
while (is_ascii_space(*end))
end++;
if ('\0' == *end) {
g_warning("%s, line %d: missing country code in \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
code = iso3166_encode_cc(end);
if (ISO3166_INVALID == code) {
g_warning("%s, line %d: bad country code in \"%s\"",
gip_source[GIP_IPV6].file, linenum, line);
return;
}
error = iprange_add_cidr6(geo_db, ip, bits, (code + 1) << 1);
if (IPR_ERR_OK != error) {
g_warning("%s, line %d: cannot insert %s/%u: %s",
gip_source[GIP_IPV6].file, linenum, ipv6_to_string(ip),
bits, iprange_strerror(error));
}
}
