void print_firewall_details(const struct iptables_command_state *cs,
const char *targname, uint8_t flags,
uint8_t invflags, uint8_t proto,
unsigned int num, unsigned int format)
{
if (format & FMT_LINENUMBERS)
printf(FMT("%-4u ", "%u "), num);
if (!(format & FMT_NOCOUNTS)) {
xtables_print_num(cs->counters.pcnt, format);
xtables_print_num(cs->counters.bcnt, format);
}
if (!(format & FMT_NOTARGET))
printf(FMT("%-9s ", "%s "), targname ? targname : "");
fputc(invflags & XT_INV_PROTO ? '!' : ' ', stdout);
{
const char *pname =
proto_to_name(proto, format&FMT_NUMERIC);
if (pname)
printf(FMT("%-5s", "%s "), pname);
else
printf(FMT("%-5hu", "%hu "), proto);
}
}
static char *
port_to_service(int port, u_int8_t proto)
{
struct servent *service;
if ((service = getservbyport(htons(port), proto_to_name(proto))))
return service->s_name;
return NULL;
}
static const char *
check_proto(const struct ip6t_entry *entry)
{
char *proto;
if ((proto = proto_to_name(entry->ipv6.proto)) != NULL)
return proto;
else if (!entry->ipv6.proto)
exit_error(PARAMETER_PROBLEM,
"multiport needs `-p tcp', `-p udp', `-p sctp' or `-p dccp'");
else
exit_error(PARAMETER_PROBLEM,
"multiport only works with TCP, UDP, SCTP and DCCP");
}
static struct xtables_match *
find_proto(const char *pname, enum xtables_tryload tryload,
int nolookup, struct xtables_rule_match **matches)
{
unsigned int proto;
if (xtables_strtoui(pname, NULL, &proto, 0, UINT8_MAX)) {
const char *protoname = proto_to_name(proto, nolookup);
if (protoname)
return xtables_find_match(protoname, tryload, matches);
} else
return xtables_find_match(pname, tryload, matches);
return NULL;
}
static const char *
check_proto(u_int16_t pnum, u_int8_t invflags)
{
char *proto;
if (invflags & XT_INV_PROTO)
xtables_error(PARAMETER_PROBLEM,
"multiport only works with TCP, UDP, UDPLITE, SCTP and DCCP");
if ((proto = proto_to_name(pnum)) != NULL)
return proto;
else if (!pnum)
xtables_error(PARAMETER_PROBLEM,
"multiport needs `-p tcp', `-p udp', `-p udplite', "
"`-p sctp' or `-p dccp'");
else
xtables_error(PARAMETER_PROBLEM,
"multiport only works with TCP, UDP, UDPLITE, SCTP and DCCP");
}
static void
print_header(u_int8_t flags){
int have_flag = 0;
while (flags) {
unsigned int i;
for (i = 0; (flags & chain_flags[i].flag) == 0; i++);
if (have_flag)
printf(",");
printf("%s", proto_to_name(chain_flags[i].proto,0));
have_flag = 1;
flags &= ~chain_flags[i].flag;
}
if (!have_flag)
printf("NONE");
}