int matchcmp(const struct ipt_entry_match *match, const char *srcports, const char *destports) {
u_int16_t temp[2];
if (strcmp(match->u.user.name, "tcp") == 0) {
struct ipt_tcp *tcpinfo = (struct ipt_tcp *)match->data;
if (srcports) {
parse_ports(srcports, temp);
if (temp[0] != tcpinfo->spts[0] || temp[1] != tcpinfo->spts[1]) return 0;
}
if (destports) {
parse_ports(destports, temp);
if (temp[0] != tcpinfo->dpts[0] || temp[1] != tcpinfo->dpts[1]) return 0;
}
return 1;
}
else if (strcmp(match->u.user.name, "udp") == 0) {
struct ipt_udp *udpinfo = (struct ipt_udp *)match->data;
if (srcports) {
parse_ports(srcports, temp);
if (temp[0] != udpinfo->spts[0] || temp[1] != udpinfo->spts[1]) return 0;
}
if (destports) {
parse_ports(destports, temp);
if (temp[0] != udpinfo->dpts[0] || temp[1] != udpinfo->dpts[1]) return 0;
}
return 1;
}
else return 0;
}
struct ipt_entry_match *
get_udp_match(const char *sports, const char *dports, unsigned int *nfcache) {
struct ipt_entry_match *match;
struct ipt_udp *udpinfo;
size_t size;
size = IPT_ALIGN(sizeof(*match)) + IPT_ALIGN(sizeof(*udpinfo));
match = calloc(1, size);
match->u.match_size = size;
strncpy(match->u.user.name, "udp", IPT_FUNCTION_MAXNAMELEN);
udpinfo = (struct ipt_udp *)match->data;
udpinfo->spts[1] = udpinfo->dpts[1] = 0xFFFF;
if (sports) {
*nfcache |= NFC_IP_SRC_PT;
parse_ports(sports, udpinfo->spts);
}
if (dports) {
*nfcache |= NFC_IP_DST_PT;
parse_ports(dports, udpinfo->dpts);
}
return match;
}
static void REDIRECT_parse(struct xt_option_call *cb)
{
const struct ip6t_entry *entry = cb->xt_entry;
struct nf_nat_range *range = (void *)(*cb->target)->data;
int portok;
if (entry->ipv6.proto == IPPROTO_TCP
|| entry->ipv6.proto == IPPROTO_UDP
|| entry->ipv6.proto == IPPROTO_SCTP
|| entry->ipv6.proto == IPPROTO_DCCP
|| entry->ipv6.proto == IPPROTO_ICMP)
portok = 1;
else
portok = 0;
xtables_option_parse(cb);
switch (cb->entry->id) {
case O_TO_PORTS:
if (!portok)
xtables_error(PARAMETER_PROBLEM,
"Need TCP, UDP, SCTP or DCCP with port specification");
parse_ports(cb->arg, range);
if (cb->xflags & F_RANDOM)
range->flags |= NF_NAT_RANGE_PROTO_RANDOM;
break;
case O_RANDOM:
if (cb->xflags & F_TO_PORTS)
range->flags |= NF_NAT_RANGE_PROTO_RANDOM;
break;
}
}
/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ipt_entry *entry,
struct ipt_entry_target **target)
{
struct ip_nat_multi_range *mr
= (struct ip_nat_multi_range *)(*target)->data;
int portok;
if (entry->ip.proto == IPPROTO_TCP
|| entry->ip.proto == IPPROTO_UDP
|| entry->ip.proto == IPPROTO_ICMP)
portok = 1;
else
portok = 0;
switch (c) {
case '1':
if (!portok)
exit_error(PARAMETER_PROBLEM,
"Need TCP or UDP with port specification");
if (check_inverse(optarg, &invert, NULL, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --to-ports");
parse_ports(optarg, mr);
return 1;
default:
return 0;
}
}
static void MASQUERADE_parse(struct xt_option_call *cb)
{
const struct ipt_entry *entry = cb->xt_entry;
int portok;
struct nf_nat_multi_range *mr = cb->data;
if (entry->ip.proto == IPPROTO_TCP
|| entry->ip.proto == IPPROTO_UDP
|| entry->ip.proto == IPPROTO_SCTP
|| entry->ip.proto == IPPROTO_DCCP
|| entry->ip.proto == IPPROTO_ICMP)
portok = 1;
else
portok = 0;
xtables_option_parse(cb);
switch (cb->entry->id) {
case O_TO_PORTS:
if (!portok)
xtables_error(PARAMETER_PROBLEM,
"Need TCP, UDP, SCTP or DCCP with port specification");
parse_ports(cb->arg, mr);
break;
case O_RANDOM:
mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM;
break;
}
}
void scanmain(void)
{
struct portinfo *pi;
int ports = 0, i;
int childpid;
pi = shm_init(sizeof(*pi)*(MAXPORT+2));
pi[MAXPORT+1].active = 0; /* hold the average RTT */
if (pi == NULL) {
fprintf(stderr, "Unable to create the shared memory");
shm_close(pi);
exit(1);
}
for (i = 0; i <= MAXPORT; i++) {
pi[i].active = 0;
pi[i].retry = opt_scan_probes;
}
if (parse_ports(pi, opt_scanports)) {
fprintf(stderr, "Ports syntax error for scan mode\n");
shm_close(pi);
exit(1);
}
for (i = 0; i <= MAXPORT; i++) {
if (!pi[i].active)
pi[i].retry = 0;
}
for (i = 0; i <= MAXPORT; i++)
ports += pi[i].active;
fprintf(stderr, "%d ports to scan, use -V to see all the replies\n", ports);
fprintf(stderr, "+----+-----------+---------+---+-----+-----+-----+\n");
fprintf(stderr, "|port| serv name | flags |ttl| id | win | len |\n");
fprintf(stderr, "+----+-----------+---------+---+-----+-----+-----+\n");
/* We are ready to fork, the input and output parts
* are separated processes */
if ((childpid = fork()) == -1) {
perror("fork");
shm_close(pi);
exit(1);
}
/* The parent is the receiver, the child the sender.
* it's almost the same but this way is simpler
* to make it working in pipe with other commands like grep. */
if (childpid) { /* parent */
Signal(SIGCHLD, do_exit);
Signal(SIGINT, do_exit);
Signal(SIGTERM, do_exit);
receiver(pi, childpid);
} else { /* child */
Signal(SIGINT, do_exit);
Signal(SIGTERM, do_exit);
sender(pi);
}
/* UNREACHED */
}
/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ipt_entry *entry,
struct ipt_entry_target **target)
{
//printf("autofw: parse\n"); // test
struct ip_autofw_info *info = (struct ip_autofw_info *)(*target)->data;
switch (c) {
case '1':
if (!strcasecmp(optarg, "tcp"))
info->proto = IPPROTO_TCP;
else if (!strcasecmp(optarg, "udp"))
info->proto = IPPROTO_UDP;
else
exit_error(PARAMETER_PROBLEM,
"unknown protocol `%s' specified", optarg);
return 1;
case '2':
if (check_inverse(optarg, &invert, &optind, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --related-dport");
parse_ports(optarg, info->dport);
return 1;
case '3':
if (check_inverse(optarg, &invert, &optind, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --related-to");
parse_ports(optarg, info->to);
*flags |= IP_NAT_RANGE_PROTO_SPECIFIED;
return 1;
default:
return 0;
}
}
static int REDIRECT_parse(int c, char **argv, int invert, unsigned int *flags,
const void *e, struct xt_entry_target **target)
{
const struct ipt_entry *entry = e;
struct nf_nat_multi_range *mr
= (struct nf_nat_multi_range *)(*target)->data;
int portok;
if (entry->ip.proto == IPPROTO_TCP
|| entry->ip.proto == IPPROTO_UDP
|| entry->ip.proto == IPPROTO_SCTP
|| entry->ip.proto == IPPROTO_DCCP
|| entry->ip.proto == IPPROTO_ICMP)
portok = 1;
else
portok = 0;
switch (c) {
case '1':
if (!portok)
xtables_error(PARAMETER_PROBLEM,
"Need TCP, UDP, SCTP or DCCP with port specification");
if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
xtables_error(PARAMETER_PROBLEM,
"Unexpected `!' after --to-ports");
parse_ports(optarg, mr);
if (*flags & IPT_REDIRECT_OPT_RANDOM)
mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM;
*flags |= IPT_REDIRECT_OPT_DEST;
return 1;
case '2':
if (*flags & IPT_REDIRECT_OPT_DEST) {
mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM;
*flags |= IPT_REDIRECT_OPT_RANDOM;
} else
*flags |= IPT_REDIRECT_OPT_RANDOM;
return 1;
default:
return 0;
}
}
int
run_sockstat(int argc, char *argv[])
{
int protos_defined = -1;
int o, i;
opt_j = -1;
while ((o = getopt(argc, argv, "46cj:Llp:P:uv")) != -1)
switch (o) {
case '4':
opt_4 = 1;
break;
case '6':
opt_6 = 1;
break;
case 'c':
opt_c = 1;
break;
case 'j':
opt_j = atoi(optarg);
break;
case 'L':
opt_L = 1;
break;
case 'l':
opt_l = 1;
break;
case 'p':
parse_ports(optarg);
break;
case 'P':
protos_defined = parse_protos(optarg);
break;
case 'u':
opt_u = 1;
break;
case 'v':
++opt_v;
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (argc > 0)
usage();
if ((!opt_4 && !opt_6) && protos_defined != -1)
opt_4 = opt_6 = 1;
if (!opt_4 && !opt_6 && !opt_u)
opt_4 = opt_6 = opt_u = 1;
if ((opt_4 || opt_6) && protos_defined == -1)
protos_defined = set_default_protos();
if (!opt_c && !opt_l)
opt_c = opt_l = 1;
if (opt_4 || opt_6) {
for (i = 0; i < protos_defined; i++)
gather_inet(protos[i]);
}
if (opt_u || (protos_defined == -1 && !opt_4 && !opt_6)) {
gather_unix(SOCK_STREAM);
gather_unix(SOCK_DGRAM);
}
getfiles();
display();
return 0;
}
void
start_server(krb5_context context, const char *port_str)
{
int e;
struct kadm_port *p;
krb5_socket_t *socks = NULL, *tmp;
unsigned int num_socks = 0;
int i;
if (port_str == NULL)
port_str = "+";
parse_ports(context, port_str);
for(p = kadm_ports; p; p = p->next) {
struct addrinfo hints, *ai, *ap;
char portstr[32];
memset (&hints, 0, sizeof(hints));
hints.ai_flags = AI_PASSIVE;
hints.ai_socktype = SOCK_STREAM;
e = getaddrinfo(NULL, p->port, &hints, &ai);
if(e) {
snprintf(portstr, sizeof(portstr), "%u", p->def_port);
e = getaddrinfo(NULL, portstr, &hints, &ai);
}
if(e) {
krb5_warn(context, krb5_eai_to_heim_errno(e, errno),
"%s", portstr);
continue;
}
i = 0;
for(ap = ai; ap; ap = ap->ai_next)
i++;
tmp = realloc(socks, (num_socks + i) * sizeof(*socks));
if(tmp == NULL) {
krb5_warnx(context, "failed to reallocate %lu bytes",
(unsigned long)(num_socks + i) * sizeof(*socks));
continue;
}
socks = tmp;
for(ap = ai; ap; ap = ap->ai_next) {
krb5_socket_t s = socket(ap->ai_family, ap->ai_socktype, ap->ai_protocol);
if(rk_IS_BAD_SOCKET(s)) {
krb5_warn(context, rk_SOCK_ERRNO, "socket");
continue;
}
socket_set_reuseaddr(s, 1);
socket_set_ipv6only(s, 1);
if (rk_IS_SOCKET_ERROR(bind (s, ap->ai_addr, ap->ai_addrlen))) {
krb5_warn(context, rk_SOCK_ERRNO, "bind");
rk_closesocket(s);
continue;
}
if (rk_IS_SOCKET_ERROR(listen (s, SOMAXCONN))) {
krb5_warn(context, rk_SOCK_ERRNO, "listen");
rk_closesocket(s);
continue;
}
socks[num_socks++] = s;
}
freeaddrinfo (ai);
}
if(num_socks == 0)
krb5_errx(context, 1, "no sockets to listen to - exiting");
wait_for_connection(context, socks, num_socks);
}
int main(int argc, char *argv[])
{
static const char short_options[] = "hVlp:";
static const struct option long_options[] = {
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'V'},
{"list", 0, NULL, 'l'},
{"port", 1, NULL, 'p'},
{ }
};
int do_list = 0;
struct pollfd *pfds;
int npfds;
int c, err;
init_seq();
while ((c = getopt_long(argc, argv, short_options,
long_options, NULL)) != -1) {
switch (c) {
case 'h':
help(argv[0]);
return 0;
case 'V':
version();
return 0;
case 'l':
do_list = 1;
break;
case 'p':
parse_ports(optarg);
break;
default:
help(argv[0]);
return 1;
}
}
if (optind < argc) {
help(argv[0]);
return 1;
}
if (do_list) {
list_ports();
return 0;
}
create_port();
connect_ports();
err = snd_seq_nonblock(seq, 1);
check_snd("set nonblock mode", err);
if (port_count > 0)
printf("Waiting for data.");
else
printf("Waiting for data at port %d:0.",
snd_seq_client_id(seq));
printf(" Press Ctrl+C to end.\n");
printf("Source Event Ch Data\n");
signal(SIGINT, sighandler);
signal(SIGTERM, sighandler);
npfds = snd_seq_poll_descriptors_count(seq, POLLIN);
pfds = alloca(sizeof(*pfds) * npfds);
for (;;) {
snd_seq_poll_descriptors(seq, pfds, npfds, POLLIN);
if (poll(pfds, npfds, -1) < 0)
break;
do {
snd_seq_event_t *event;
err = snd_seq_event_input(seq, &event);
if (err < 0)
break;
if (event)
dump_event(event);
} while (err > 0);
fflush(stdout);
if (stop)
break;
}
snd_seq_close(seq);
return 0;
}
static void *ja_init(const char *device, unsigned rate, unsigned latency)
{
jack_t *jd = (jack_t*)calloc(1, sizeof(jack_t));
if (!jd)
return NULL;
pthread_cond_init(&jd->cond, NULL);
pthread_mutex_init(&jd->cond_lock, NULL);
const char **jports = NULL;
char *dest_ports[2];
size_t bufsize = 0;
int parsed = 0;
jd->client = jack_client_open("RetroArch", JackNullOption, NULL);
if (jd->client == NULL)
goto error;
g_settings.audio.out_rate = jack_get_sample_rate(jd->client);
jack_set_process_callback(jd->client, process_cb, jd);
jack_on_shutdown(jd->client, shutdown_cb, jd);
jd->ports[0] = jack_port_register(jd->client, "left", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
jd->ports[1] = jack_port_register(jd->client, "right", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if (jd->ports[0] == NULL || jd->ports[1] == NULL)
{
RARCH_ERR("Failed to register ports.\n");
goto error;
}
jports = jack_get_ports(jd->client, NULL, NULL, JackPortIsPhysical | JackPortIsInput);
if (jports == NULL)
{
RARCH_ERR("Failed to get ports.\n");
goto error;
}
bufsize = find_buffersize(jd, latency);
jd->buffer_size = bufsize;
RARCH_LOG("JACK: Internal buffer size: %d frames.\n", (int)(bufsize / sizeof(jack_default_audio_sample_t)));
for (int i = 0; i < 2; i++)
{
jd->buffer[i] = jack_ringbuffer_create(bufsize);
if (jd->buffer[i] == NULL)
{
RARCH_ERR("Failed to create buffers.\n");
goto error;
}
}
parsed = parse_ports(dest_ports, jports);
if (jack_activate(jd->client) < 0)
{
RARCH_ERR("Failed to activate Jack...\n");
goto error;
}
for (int i = 0; i < 2; i++)
{
if (jack_connect(jd->client, jack_port_name(jd->ports[i]), dest_ports[i]))
{
RARCH_ERR("Failed to connect to Jack port.\n");
goto error;
}
}
for (int i = 0; i < parsed; i++)
free(dest_ports[i]);
jack_free(jports);
return jd;
error:
if (jports != NULL)
jack_free(jports);
return NULL;
}
/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ipt_entry *entry,
struct ipt_entry_target **target)
{
struct ipt_trigger_info *info = (struct ipt_trigger_info *)(*target)->data;
switch (c) {
case '1':
if (!strcasecmp(optarg, "dnat"))
info->type = IPT_TRIGGER_DNAT;
else if (!strcasecmp(optarg, "in"))
info->type = IPT_TRIGGER_IN;
else if (!strcasecmp(optarg, "out"))
info->type = IPT_TRIGGER_OUT;
else
exit_error(PARAMETER_PROBLEM,
"triggering type can only be one of `%s', '%s' '%s'", "dnat", "in", "out");
return 1;
case '2':
if (!strcasecmp(optarg, "tcp"))
info->proto = IPPROTO_TCP;
else if (!strcasecmp(optarg, "udp"))
info->proto = IPPROTO_UDP;
else if (!strcasecmp(optarg, "all"))
info->proto = 0;
else
exit_error(PARAMETER_PROBLEM,
"triggering protocol can only be one of `%s', '%s', '%s'", "tcp", "udp", "all");
return 1;
case '3':
if (check_inverse(optarg, &invert, &optind, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --triggering-port");
parse_ports(optarg, info->ports.mport);
return 1;
#ifdef ATP_SUPPORT_PRTT_RPROTOCOL
case '4':
if (!strcasecmp(optarg, "tcp"))
info->rproto = IPPROTO_TCP;
else if (!strcasecmp(optarg, "udp"))
info->rproto = IPPROTO_UDP;
else if (!strcasecmp(optarg, "all"))
info->rproto = 0;
else
exit_error(PARAMETER_PROBLEM,
"open protocol can only be one of '%s', '%s', '%s'", "tcp", "udp", "all");
return 1;
case '5':
if (check_inverse(optarg, &invert, &optind, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --open-port");
//parse_ports(optarg, info->ports.rport);
parse_Openports(optarg, &(info->ports));
*flags |= IP_NAT_RANGE_PROTO_SPECIFIED;
return 1;
#else
#if 0
case '4':
if (check_inverse(optarg, &invert, &optind, 0))
exit_error(PARAMETER_PROBLEM,
"Unexpected `!' after --open-port");
parse_ports(optarg, info->ports.rport);
*flags |= IP_NAT_RANGE_PROTO_SPECIFIED;
return 1;
#endif
#endif
default:
return 0;
}
}
int main(int argc, char* argv[]) {
int auto_connect = 1;
char* client_name = JACKOFF_DEFAULT_CLIENT_NAME;
char* format_name = JACKOFF_DEFAULT_FORMAT;
char* filename = NULL;
int bitrate = -1;
size_t channels = 0;
float buffer_duration = JACKOFF_DEFAULT_RING_BUFFER_DURATION;
jackoff_format_t* output_format;
jack_options_t jack_options = JackNullOption;
time_t duration = 0;
struct port_info manual_ports;
manual_ports.count = 0;
manual_ports.ports = NULL;
int option, long_index;
while (1) {
option = getopt_long(argc, argv, short_options, long_options,
&long_index);
if (option == -1)
break;
switch (option) {
case 'a':
auto_connect = 1;
break;
case 'n':
client_name = optarg;
break;
case 'f':
format_name = optarg;
break;
case 'b':
bitrate = (int) strtol(optarg, NULL, 0);
break;
case 'c':
channels = (size_t) strtol(optarg, NULL, 0);
break;
case 'd':
duration = (time_t) strtol(optarg, NULL, 0);
break;
case 'R':
buffer_duration = (float) strtod(optarg, NULL);
break;
case 'p':
if (!parse_ports(optarg, &manual_ports)) {
jackoff_error("error parsing manual port list");
}
break;
case 'S':
jack_options |= JackNoStartServer;
break;
case 'v':
jackoff_set_log_cutoff(JACKOFF_LOG_DEBUG);
break;
case 'q':
jackoff_set_log_cutoff(JACKOFF_LOG_WARNING);
break;
default:
show_usage_info(argv[0]);
return 10;
}
}
if (channels == 0) {
if (manual_ports.count > 0)
channels = manual_ports.count;
else
channels = JACKOFF_DEFAULT_CHANNELS;
}
if (bitrate == -1) {
bitrate = JACKOFF_DEFAULT_BITRATE_PER_CHANNEL * (int) channels;
}
argc -= optind;
argv += optind;
if (argc != 1) {
jackoff_error("must provide the name of a file to record to");
} else {
filename = argv[0];
}
output_format = jackoff_get_output_format(format_name);
if (!output_format) {
jackoff_error("unknown output format \"%s\"", format_name);
}
return run(manual_ports.count, (const char**) manual_ports.ports,
client_name, filename, output_format, bitrate, channels,
buffer_duration, duration, jack_options);
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
char **files;
int optidx = 0;
int e, i;
krb5_log_facility *logfacility;
krb5_keytab keytab;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
while((e = getarg(args, num_args, argc, argv, &optidx)))
warnx("error at argument `%s'", argv[optidx]);
if (help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
ret = krb5_openlog(context, "kadmind", &logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_openlog");
ret = krb5_set_warn_dest(context, logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_set_warn_dest");
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_resolve");
kadm5_setup_passwd_quality_check (context, check_library, check_function);
for (i = 0; i < policy_libraries.num_strings; i++) {
ret = kadm5_add_passwd_quality_verifier(context,
policy_libraries.strings[i]);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
}
ret = kadm5_add_passwd_quality_verifier(context, NULL);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
{
int fd = 0;
struct sockaddr_storage __ss;
struct sockaddr *sa = (struct sockaddr *)&__ss;
socklen_t sa_size = sizeof(__ss);
krb5_auth_context ac = NULL;
int debug_port;
if(debug_flag) {
if(port_str == NULL)
debug_port = krb5_getportbyname (context, "kerberos-adm",
"tcp", 749);
else
debug_port = htons(atoi(port_str));
mini_inetd(debug_port);
} else if(roken_getsockname(STDIN_FILENO, sa, &sa_size) < 0 &&
errno == ENOTSOCK) {
parse_ports(context, port_str ? port_str : "+");
pidfile(NULL);
start_server(context);
}
if(realm)
krb5_set_default_realm(context, realm); /* XXX */
kadmind_loop(context, ac, keytab, fd);
}
return 0;
}
void scanmain(void)
{
int ports = 0, i;
HANDLE childpid;
DWORD threadId;
struct portinfo *pi;
pi = malloc(sizeof(struct portinfo) * (MAXPORT + 2));
if (pi == NULL)
{
fprintf(stderr, "[malloc] failed: %d\n", GetLastError());
exit(1);
}
pi[MAXPORT+1].active = 0; /* hold the average RTT */
for (i = 0; i <= MAXPORT; i++)
{
pi[i].active = 0;
pi[i].retry = opt_scan_probes;
}
if (parse_ports(pi, opt_scanports))
{
fprintf(stderr, "Ports syntax error for scan mode\n");
free(pi);
exit(1);
}
for (i = 0; i <= MAXPORT; i++)
{
if (!pi[i].active)
pi[i].retry = 0;
}
for (i = 0; i <= MAXPORT; i++)
ports += pi[i].active;
fprintf(stderr, "%d ports to scan, use -V to see all the replies\n", ports);
fprintf(stderr, "+----+-----------+---------+---+-----+-----+\n");
fprintf(stderr, "|port| serv name | flags |ttl| id | win |\n");
fprintf(stderr, "+----+-----------+---------+---+-----+-----+\n");
/* We are ready to fork, the input and output parts
* are separated processes */
childpid = CreateThread(NULL,
0,
sender,
pi,
0,
&threadId);
if (childpid == NULL)
{
fprintf(stderr, "[CreateThread] failed: %d\n", GetLastError());
free(pi);
exit(1);
}
/* The parent is the receiver, the child the sender.
* it's almost the same but this way is simpler
* to make it working in pipe with other commands like grep. */
signal(SIGINT, do_exit);
signal(SIGTERM, do_exit);
receiver(pi, childpid);
/* UNREACHED */
}
int main(int argc, char **argv)
{
unsigned char opt_flags[256] = {};
unsigned int kill_after_s = 0;
const char *optstr = "i:a:p:s:d:m:T:P:SNh";
int min_port = 0, max_port = 0;
struct iptnl_info tnl = {};
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
struct vip vip = {};
char filename[256];
int opt;
int i;
tnl.family = AF_UNSPEC;
vip.protocol = IPPROTO_TCP;
for (i = 0; i < strlen(optstr); i++)
if (optstr[i] != 'h' && 'a' <= optstr[i] && optstr[i] <= 'z')
opt_flags[(unsigned char)optstr[i]] = 1;
while ((opt = getopt(argc, argv, optstr)) != -1) {
unsigned short family;
unsigned int *v6;
switch (opt) {
case 'i':
ifindex = atoi(optarg);
break;
case 'a':
vip.family = parse_ipstr(optarg, vip.daddr.v6);
if (vip.family == AF_UNSPEC)
return 1;
break;
case 'p':
if (parse_ports(optarg, &min_port, &max_port))
return 1;
break;
case 'P':
vip.protocol = atoi(optarg);
break;
case 's':
case 'd':
if (opt == 's')
v6 = tnl.saddr.v6;
else
v6 = tnl.daddr.v6;
family = parse_ipstr(optarg, v6);
if (family == AF_UNSPEC)
return 1;
if (tnl.family == AF_UNSPEC) {
tnl.family = family;
} else if (tnl.family != family) {
fprintf(stderr,
"The IP version of the src and dst addresses used in the IP encapsulation does not match\n");
return 1;
}
break;
case 'm':
if (!ether_aton_r(optarg,
(struct ether_addr *)tnl.dmac)) {
fprintf(stderr, "Invalid mac address:%s\n",
optarg);
return 1;
}
break;
case 'T':
kill_after_s = atoi(optarg);
break;
case 'S':
xdp_flags |= XDP_FLAGS_SKB_MODE;
break;
case 'N':
xdp_flags |= XDP_FLAGS_DRV_MODE;
break;
default:
usage(argv[0]);
return 1;
}
opt_flags[opt] = 0;
}
for (i = 0; i < strlen(optstr); i++) {
if (opt_flags[(unsigned int)optstr[i]]) {
fprintf(stderr, "Missing argument -%c\n", optstr[i]);
usage(argv[0]);
return 1;
}
}
if (setrlimit(RLIMIT_MEMLOCK, &r)) {
perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
return 1;
}
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
if (load_bpf_file(filename)) {
printf("%s", bpf_log_buf);
return 1;
}
if (!prog_fd[0]) {
printf("load_bpf_file: %s\n", strerror(errno));
return 1;
}
signal(SIGINT, int_exit);
signal(SIGTERM, int_exit);
while (min_port <= max_port) {
vip.dport = htons(min_port++);
if (bpf_map_update_elem(map_fd[1], &vip, &tnl, BPF_NOEXIST)) {
perror("bpf_map_update_elem(&vip2tnl)");
return 1;
}
}
if (bpf_set_link_xdp_fd(ifindex, prog_fd[0], xdp_flags) < 0) {
printf("link set xdp fd failed\n");
return 1;
}
poll_stats(kill_after_s);
bpf_set_link_xdp_fd(ifindex, -1, xdp_flags);
return 0;
}
