/* brings interface down and runs a user-supplied script */
static int if_release()
{
wmlog_msg(2, "Starting if-release script...");
raise_event("if-release");
tap_close(tap_fd, tap_dev);
return 0;
}
int main(int argc, char **argv)
{
struct tap tapin, tapout;
FILE *infile;
long pulse;
getopts(argc, argv);
if (optind == argc) {
infile = stdin;
} else if (optind == argc - 1) {
if (!strcmp(argv[optind], "-")) {
infile = stdin;
} else {
infile = fopen(argv[optind], "rb");
if (!infile) {
perror(argv[optind]);
return 1;
}
}
} else {
fprintf(stderr, "%s: too many arguments\n", argv0);
usage();
return 1;
}
if (tap_read_header(&tapin, infile)) {
fprintf(stderr, "%s: error reading TAP file\n", argv0);
return 1;
}
if (outversion < 0) tapout.version = tapin.version;
else tapout.version = outversion;
if (tap_write_header(&tapout, stdout)) {
fprintf(stderr, "%s: error writing TAP file\n", argv0);
return 1;
}
while ((pulse = get_pulse(&tapin)) >= 0) {
if (tapin.version == 0 &&
pulse == V0_LONG_PULSE) {
pulse = LONG_PULSE;
}
pulse /= speed;
put_pulse(pulse, &tapout);
}
tap_close(&tapout);
return 0;
}
int main()
{
long pulse;
struct tap tapfile;
tapfile.version = 1;
if (tap_write_header(&tapfile, stdout)) {
fprintf(stderr, "error writing TAP file\n");
return 1;
}
while (scanf("%ld", &pulse) == 1) {
if (pulse <= 0) break;
tap_put_pulse(pulse, &tapfile);
}
tap_close(&tapfile);
return 0;
}
int tape_image_close(tape_image_t *tape_image)
{
int retval = 0;
switch (tape_image->type) {
case TAPE_TYPE_T64:
retval = t64_close((t64_t *)tape_image->data);
break;
case TAPE_TYPE_TAP:
retval = tap_close((tap_t *)tape_image->data);
break;
}
lib_free(tape_image->name);
tape_image->name = NULL;
return retval;
}
int main(int argc, char **argv)
{
char dev_if[16];
int opt;
int err = 0;
int daemonize = 0;
int log_level = LOG_WARN;
char *log_file = NULL;
memset(dev_if, '\0', sizeof(dev_if));
strncpy(dev_if, PHOST_DEFAULT_TAP_DEVICE, sizeof(dev_if) - 1);
phost_set_program_name(basename(argv[0]));
/* parse options */
while(1){
opt = getopt(argc, argv, "Dd:i:p:l:n:v");
if(opt < 0){
break;
}
switch(opt){
case 'D':
daemonize = 1;
break;
case 'd':
if(optarg){
if(atoi(optarg) < LOG_LEVEL_MAX){
log_level = atoi(optarg);
}
else{
phost_print_usage();
exit(1);
}
}
else{
err |= 1;
}
break;
case 'i':
if(optarg){
memset(dev_if, '\0', sizeof(dev_if));
strncpy(dev_if, optarg, sizeof(dev_if) - 1);
}
else{
err |= 1;
}
break;
case 'p':
if(optarg){
memset(pid_dir, '\0', sizeof(pid_dir));
strncpy(pid_dir, optarg, sizeof(pid_dir) - 1);
}
else{
err |= 1;
}
break;
case 'l':
if(optarg){
memset(log_dir, '\0', sizeof(log_dir));
strncpy(log_dir, optarg, sizeof(log_dir) - 1);
}
else{
err |= 1;
}
break;
case 'n':
if(optarg){
memset(host_name, '\0', sizeof(host_name));
strncpy(host_name, optarg, sizeof(host_name) - 1);
}
else{
err |= 1;
}
break;
case 'v':
log_file = LOG_OUT_STDOUT;
log_level = LOG_DEBUG;
break;
default:
err |= 1;
}
}
if(err){
phost_print_usage();
exit(1);
}
if(log_file == NULL){
log_file = (char*)malloc(sizeof(char)*(strlen(log_dir)+strlen(PHOST_LOG_FILE)+strlen(dev_if)+3));
sprintf(log_file, "%s/%s.%s", log_dir, PHOST_LOG_FILE, dev_if);
}
/* check if this process is run with root privilege */
if(getuid() != 0){
fprintf(stderr, "[ERROR] `%s' must be run with root privilege.\n", program_name);
exit(1);
}
/* register signal handler */
signal(SIGINT, phost_handle_signals);
signal(SIGTERM, phost_handle_signals);
signal(SIGPIPE, SIG_IGN);
signal(SIGUSR1, SIG_IGN);
signal(SIGUSR2, SIG_IGN);
/* initializations */
if(log_init(log_level, log_file) < 0){
fprintf(stderr, "[ERROR] cannot initialize logger.\n");
exit(1);
}
if(daemonize && (phost_daemonize() < 0)){
fprintf(stderr, "[ERROR] cannot daemonize.\n");
exit(1);
}
if(strncmp(dev_if, "tap", 3) != 0){
if(ethdev_init(dev_if) < 0){
fprintf(stderr, "[ERROR] cannot initialize Ethernet device (%s).\n", dev_if);
exit(1);
}
trx_init(ethdev_read, ethdev_send);
}
else{
if(tap_init(dev_if) < 0){
fprintf(stderr, "[ERROR] cannot create tap device (%s).\n", dev_if);
exit(1);
}
trx_init(tap_read, tap_send);
}
phost_set_global_params();
phost_create_pid_file(host_name);
cmdif_init(dev_if, stats_udp_send_update);
arp_init(host_mac_addr, host_ip_addr);
ipv4_init(host_ip_addr, host_ip_mask);
udp_init(stats_udp_recv_update);
pkt_dump = (char*)malloc(sizeof(char)*PKT_BUF_SIZE*2);
while(run){
phost_run();
cmdif_run();
arp_age_entries();
}
free(pkt_dump);
cmdif_close();
tap_close();
phost_delete_pid_file(host_name);
phost_unset_global_params();
log_close();
return 0;
}
int main(int argc, char **argv)
{
int result, index;
char *bptr, *tptr;
char *app;
int i, j, c;
struct getap_state *gs;
index = 0;
app = argv[0];
i = j = 1;
tptr = "tgtap%d";
bptr = "/proc/%d/hw/ioreg/ten_Gbe_v2";
gs = malloc(sizeof(struct getap_state));
if(gs == NULL){
fprintf(stderr, "%s: unable to allocate %d bytes\n", app, sizeof(struct getap_state));
return EX_USAGE;
}
gs->s_address_name[0] = '\0';
gs->s_gateway_name[0] = '\0';
gs->s_mac_name[0] = '\0';
gs->s_port = 0;
gs->s_verbose = 1;
gs->s_testing = 0;
while (i < argc) {
if (argv[i][0] == '-') {
c = argv[i][j];
switch (c) {
case 'h' :
usage(app);
return EX_OK;
case 'v' :
gs->s_verbose++;
j++;
break;
case 'T' :
gs->s_testing++;
j++;
break;
case 'a' :
case 'g' :
case 'm' :
case 'p' :
case 'n' :
case 't' :
case 'b' :
j++;
if (argv[i][j] == '\0') {
j = 0;
i++;
}
if (i >= argc) {
fprintf(stderr, "%s: -%c needs a parameter\n", app, c);
return EX_USAGE;
}
switch(c){
case 'a' :
strncpy(gs->s_address_name, argv[i] + j, IP_BUFFER - 1);
gs->s_address_name[IP_BUFFER - 1] = '\0';
break;
case 'g' :
strncpy(gs->s_gateway_name, argv[i] + j, IP_BUFFER - 1);
gs->s_gateway_name[IP_BUFFER - 1] = '\0';
break;
case 'm' :
strncpy(gs->s_mac_name, argv[i] + j, MAC_BUFFER - 1);
gs->s_mac_name[MAC_BUFFER - 1] = '\0';
case 'p' :
gs->s_port = atoi(argv[i] + j);
break;
case 'n' :
index = atoi(argv[i] + j);
break;
case 't' :
tptr = NULL;
strncpy(gs->s_tap_name, argv[i] + j, NAME_BUFFER - 1);
gs->s_tap_name[NAME_BUFFER - 1] = '\0';
break;
case 'b' :
bptr = NULL;
strncpy(gs->s_borph_name, argv[i] + j, NAME_BUFFER - 1);
gs->s_borph_name[NAME_BUFFER - 1] = '\0';
break;
}
i++;
j = 1;
break;
case '\0':
j = 1;
i++;
break;
default:
fprintf(stderr, "%s: unknown option -%c\n", app, argv[i][j]);
return EX_USAGE;
}
} else {
fprintf(stderr, "%s: bad argument %s\n", app, argv[i]);
return EX_USAGE;
}
}
if(tptr){
result = snprintf(gs->s_tap_name, NAME_BUFFER - 1, tptr, index);
if((result < 0) || (result >= NAME_BUFFER)){
fprintf(stderr, "unable to expand %s: Value too long\n", tptr);
return EX_USAGE;
}
}
if(bptr){
result = snprintf(gs->s_borph_name, NAME_BUFFER - 1, bptr, getpid());
if((result < 0) || (result >= NAME_BUFFER)){
fprintf(stderr, "unable to expand %s: Value too long\n", bptr);
return EX_USAGE;
}
}
if(gs->s_address_name[0] == '\0'){
fprintf(stderr, "%s: need an ip address\n", app);
return EX_OSERR;
}
if(gs->s_gateway_name[0] == '\0'){
/* risky, gateware may not like it */
strncpy(gs->s_gateway_name, gs->s_address_name, IP_BUFFER);
}
if(gs->s_mac_name[0] == '\0'){
make_mac(gs);
}
if(gs->s_verbose){
printf("%s: tap interface name: %s\n", app, gs->s_tap_name);
printf("%s: borph file: %s\n", app, gs->s_borph_name);
printf("%s: %s file interface \n", app, gs->s_testing ? "testing" : "borph");
printf("%s: ip address %s\n", app, gs->s_address_name);
printf("%s: mac address %s\n", app, gs->s_mac_name);
}
gs->s_tfd = tap_open(gs->s_tap_name);
if(gs->s_tfd < 0){
fprintf(stderr, "%s: unable to set up tap device %s: %s\n", app, gs->s_tap_name, strerror(errno));
return EX_OSERR;
}
if(setup_borph(gs) < 0){
fprintf(stderr, "%s: unable to initialise borph register file %s: %s\n", app, gs->s_borph_name, strerror(errno));
return EX_OSERR;
}
if(setup_tap(gs)){
fprintf(stderr, "%s: unable to configure tap device %s\n", app, gs->s_tap_name);
return EX_OSERR;
}
printf("%s: my arp table index %d\n", app, gs->s_index);
if(gs->s_verbose){
printf("%s: my network: 0x%08x\n", app, gs->s_network_binary);
}
run = 1;
/* signal stuff */
mainloop(gs);
tap_close(gs->s_tfd);
close(gs->s_bfd);
return EX_OK;
}