/** Entry point to tor-resolve */
int
main(int argc, char **argv)
{
uint32_t sockshost;
uint16_t socksport;
int isSocks4 = 0, isVerbose = 0, isReverse = 0, force = 0;
char **arg;
int n_args;
struct in_addr a;
uint32_t result = 0;
char *result_hostname = NULL;
char buf[INET_NTOA_BUF_LEN];
init_logging();
arg = &argv[1];
n_args = argc-1;
if (!n_args)
usage();
if (!strcmp(arg[0],"--version")) {
printf("Tor version %s.\n",VERSION);
return 0;
}
while (n_args && *arg[0] == '-') {
if (!strcmp("-v", arg[0]))
isVerbose = 1;
else if (!strcmp("-4", arg[0]))
isSocks4 = 1;
else if (!strcmp("-5", arg[0]))
isSocks4 = 0;
else if (!strcmp("-x", arg[0]))
isReverse = 1;
else if (!strcmp("-F", arg[0]))
force = 1;
else {
fprintf(stderr, "Unrecognized flag '%s'\n", arg[0]);
usage();
}
++arg;
--n_args;
}
if (isSocks4 && isReverse) {
fprintf(stderr, "Reverse lookups not supported with SOCKS4a\n");
usage();
}
if (isVerbose) {
add_stream_log(LOG_DEBUG, LOG_ERR, "<stderr>", stderr);
} else {
add_stream_log(LOG_WARN, LOG_ERR, "<stderr>", stderr);
}
if (n_args == 1) {
log_debug(LD_CONFIG, "defaulting to localhost:9050");
sockshost = 0x7f000001u; /* localhost */
socksport = 9050; /* 9050 */
} else if (n_args == 2) {
if (parse_addr_port(LOG_WARN, arg[1], NULL, &sockshost, &socksport)<0) {
fprintf(stderr, "Couldn't parse/resolve address %s", arg[1]);
return 1;
}
if (socksport == 0) {
log_debug(LD_CONFIG, "defaulting to port 9050");
socksport = 9050;
}
} else {
usage();
}
if (!strcasecmpend(arg[0], ".onion") && !force) {
fprintf(stderr,
"%s is a hidden service; those don't have IP addresses.\n\n"
"To connect to a hidden service, you need to send the hostname\n"
"to Tor; we suggest an application that uses SOCKS 4a.\n", arg[0]);
return 1;
}
if (network_init()<0) {
log_err(LD_BUG,"Error initializing network; exiting.");
return 1;
}
if (do_resolve(arg[0], sockshost, socksport, isReverse,
isSocks4 ? 4 : 5, &result,
&result_hostname))
return 1;
if (result_hostname) {
printf("%s\n", result_hostname);
} else {
a.s_addr = htonl(result);
tor_inet_ntoa(&a, buf, sizeof(buf));
printf("%s\n", buf);
}
return 0;
}
/** Read the command line options from <b>argc</b> and <b>argv</b>,
* setting global option vars as needed.
*/
static int
parse_commandline(int argc, char **argv)
{
int i;
log_severity_list_t s;
for (i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "--help") || !strcmp(argv[i], "-h")) {
show_help();
return 1;
} else if (!strcmp(argv[i], "-i")) {
if (i+1>=argc) {
fprintf(stderr, "No argument to -i\n");
return 1;
}
identity_key_file = tor_strdup(argv[++i]);
} else if (!strcmp(argv[i], "-s")) {
if (i+1>=argc) {
fprintf(stderr, "No argument to -s\n");
return 1;
}
signing_key_file = tor_strdup(argv[++i]);
} else if (!strcmp(argv[i], "-c")) {
if (i+1>=argc) {
fprintf(stderr, "No argument to -c\n");
return 1;
}
certificate_file = tor_strdup(argv[++i]);
} else if (!strcmp(argv[i], "-m")) {
if (i+1>=argc) {
fprintf(stderr, "No argument to -m\n");
return 1;
}
months_lifetime = atoi(argv[++i]);
if (months_lifetime > 24 || months_lifetime < 0) {
fprintf(stderr, "Lifetime (in months) was out of range.\n");
return 1;
}
} else if (!strcmp(argv[i], "-r") || !strcmp(argv[i], "--reuse")) {
reuse_signing_key = 1;
} else if (!strcmp(argv[i], "-v")) {
verbose = 1;
} else if (!strcmp(argv[i], "-a")) {
uint32_t addr;
uint16_t port;
char b[INET_NTOA_BUF_LEN];
struct in_addr in;
if (i+1>=argc) {
fprintf(stderr, "No argument to -a\n");
return 1;
}
if (addr_port_lookup(LOG_ERR, argv[++i], NULL, &addr, &port)<0)
return 1;
in.s_addr = htonl(addr);
tor_inet_ntoa(&in, b, sizeof(b));
address = tor_malloc(INET_NTOA_BUF_LEN+32);
tor_snprintf(address, INET_NTOA_BUF_LEN+32, "%s:%d", b, (int)port);
} else if (!strcmp(argv[i], "--create-identity-key")) {
make_new_id = 1;
} else if (!strcmp(argv[i], "--passphrase-fd")) {
if (i+1>=argc) {
fprintf(stderr, "No argument to --passphrase-fd\n");
return 1;
}
passphrase_fd = atoi(argv[++i]);
} else {
fprintf(stderr, "Unrecognized option %s\n", argv[i]);
return 1;
}
}
memset(&s, 0, sizeof(s));
if (verbose)
set_log_severity_config(LOG_DEBUG, LOG_ERR, &s);
else
set_log_severity_config(LOG_WARN, LOG_ERR, &s);
add_stream_log(&s, "<stderr>", fileno(stderr));
if (!identity_key_file) {
identity_key_file = tor_strdup("./authority_identity_key");
log_info(LD_GENERAL, "No identity key file given; defaulting to %s",
identity_key_file);
}
if (!signing_key_file) {
signing_key_file = tor_strdup("./authority_signing_key");
log_info(LD_GENERAL, "No signing key file given; defaulting to %s",
signing_key_file);
}
if (!certificate_file) {
certificate_file = tor_strdup("./authority_certificate");
log_info(LD_GENERAL, "No signing key file given; defaulting to %s",
certificate_file);
}
if (passphrase_fd >= 0) {
if (load_passphrase()<0)
return 1;
}
return 0;
}
/** Entry point to tor-resolve */
int
main(int argc, char **argv)
{
uint32_t sockshost;
uint16_t socksport = 0, port_option = 0;
int isSocks4 = 0, isVerbose = 0, isReverse = 0, force = 0;
char **arg;
int n_args;
struct in_addr a;
uint32_t result = 0;
char *result_hostname = NULL;
char buf[INET_NTOA_BUF_LEN];
log_severity_list_t *s = tor_malloc_zero(sizeof(log_severity_list_t));
init_logging();
arg = &argv[1];
n_args = argc-1;
if (!n_args)
usage();
if (!strcmp(arg[0],"--version")) {
printf("Tor version %s.\n",VERSION);
return 0;
}
while (n_args && *arg[0] == '-') {
if (!strcmp("-v", arg[0]))
isVerbose = 1;
else if (!strcmp("-4", arg[0]))
isSocks4 = 1;
else if (!strcmp("-5", arg[0]))
isSocks4 = 0;
else if (!strcmp("-x", arg[0]))
isReverse = 1;
else if (!strcmp("-F", arg[0]))
force = 1;
else if (!strcmp("-p", arg[0])) {
int p;
if (n_args < 2) {
fprintf(stderr, "No arguments given to -p\n");
usage();
}
p = atoi(arg[1]);
if (p<1 || p > 65535) {
fprintf(stderr, "-p requires a number between 1 and 65535\n");
usage();
}
port_option = (uint16_t) p;
++arg; /* skip the port */
--n_args;
} else {
fprintf(stderr, "Unrecognized flag '%s'\n", arg[0]);
usage();
}
++arg;
--n_args;
}
if (isSocks4 && isReverse) {
fprintf(stderr, "Reverse lookups not supported with SOCKS4a\n");
usage();
}
if (isVerbose)
set_log_severity_config(LOG_DEBUG, LOG_ERR, s);
else
set_log_severity_config(LOG_WARN, LOG_ERR, s);
add_stream_log(s, "<stderr>", fileno(stderr));
if (n_args == 1) {
log_debug(LD_CONFIG, "defaulting to localhost");
sockshost = 0x7f000001u; /* localhost */
if (port_option) {
log_debug(LD_CONFIG, "Using port %d", (int)port_option);
socksport = port_option;
} else {
log_debug(LD_CONFIG, "defaulting to port 9050");
socksport = 9050; /* 9050 */
}
} else if (n_args == 2) {
if (parse_addr_port(LOG_WARN, arg[1], NULL, &sockshost, &socksport)<0) {
fprintf(stderr, "Couldn't parse/resolve address %s", arg[1]);
return 1;
}
if (socksport && port_option && socksport != port_option) {
log_warn(LD_CONFIG, "Conflicting ports; using %d, not %d",
(int)socksport, (int)port_option);
} else if (port_option) {
socksport = port_option;
} else if (!socksport) {
log_debug(LD_CONFIG, "defaulting to port 9050");
socksport = 9050;
}
} else {
usage();
}
if (network_init()<0) {
log_err(LD_BUG,"Error initializing network; exiting.");
return 1;
}
if (do_resolve(arg[0], sockshost, socksport, isReverse,
isSocks4 ? 4 : 5, &result,
&result_hostname))
return 1;
if (result_hostname) {
printf("%s\n", result_hostname);
} else {
a.s_addr = htonl(result);
tor_inet_ntoa(&a, buf, sizeof(buf));
printf("%s\n", buf);
}
return 0;
}
