void scalliontor_setLogging() {
/* setup a callback so we can log into shadow */
log_severity_list_t *severity = g_new0(log_severity_list_t, 1);
/* we'll log everything according to Shadow's filter */
set_log_severity_config(LOG_DEBUG, LOG_ERR, severity);
add_callback_log(severity, scalliontor_logmsg_cb);
g_free(severity);
}
/** Add a log handler to receive messages during startup (before the real
* logs are initialized).
*/
void
add_temp_log(int min_severity)
{
log_severity_list_t *s = tor_malloc_zero(sizeof(log_severity_list_t));
set_log_severity_config(min_severity, LOG_ERR, s);
LOCK_LOGS();
add_stream_log_impl(s, "<temp>", fileno(stdout));
tor_free(s);
logfiles->is_temporary = 1;
UNLOCK_LOGS();
}
int
main(int argc, char **argv)
{
size_t size;
global_init();
/* Disable logging by default to speed up fuzzing. */
int loglevel = LOG_ERR;
for (int i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "--warn")) {
loglevel = LOG_WARN;
} else if (!strcmp(argv[i], "--notice")) {
loglevel = LOG_NOTICE;
} else if (!strcmp(argv[i], "--info")) {
loglevel = LOG_INFO;
} else if (!strcmp(argv[i], "--debug")) {
loglevel = LOG_DEBUG;
}
}
{
log_severity_list_t s;
memset(&s, 0, sizeof(s));
set_log_severity_config(loglevel, LOG_ERR, &s);
/* ALWAYS log bug warnings. */
s.masks[LOG_WARN-LOG_ERR] |= LD_BUG;
add_stream_log(&s, "", fileno(stdout));
}
if (fuzz_init() < 0)
abort();
#ifdef __AFL_HAVE_MANUAL_CONTROL
/* Tell AFL to pause and fork here - ignored if not using AFL */
__AFL_INIT();
#endif
#define MAX_FUZZ_SIZE (128*1024)
char *input = read_file_to_str_until_eof(0, MAX_FUZZ_SIZE, &size);
tor_assert(input);
char *raw = tor_memdup(input, size); /* Because input is nul-terminated */
tor_free(input);
fuzz_main((const uint8_t*)raw, size);
tor_free(raw);
if (fuzz_cleanup() < 0)
abort();
tor_free(mock_options);
UNMOCK(get_options);
return 0;
}
static void
test_sigsafe_err(void *arg)
{
const char *fn=get_fname("sigsafe_err_log");
char *content=NULL;
log_severity_list_t include_bug;
smartlist_t *lines = smartlist_new();
(void)arg;
set_log_severity_config(LOG_WARN, LOG_ERR, &include_bug);
init_logging(1);
mark_logs_temp();
add_file_log(&include_bug, fn, 0);
tor_log_update_sigsafe_err_fds();
close_temp_logs();
close(STDERR_FILENO);
log_err(LD_BUG, "Say, this isn't too cool.");
tor_log_err_sigsafe("Minimal.\n", NULL);
set_log_time_granularity(100*1000);
tor_log_err_sigsafe("Testing any ",
"attempt to manually log ",
"from a signal.\n",
NULL);
mark_logs_temp();
close_temp_logs();
close(STDERR_FILENO);
content = read_file_to_str(fn, 0, NULL);
tt_assert(content != NULL);
tor_split_lines(lines, content, (int)strlen(content));
tt_int_op(smartlist_len(lines), OP_GE, 5);
if (strstr(smartlist_get(lines, 0), "opening new log file"))
smartlist_del_keeporder(lines, 0);
tt_assert(strstr(smartlist_get(lines, 0), "Say, this isn't too cool"));
/* Next line is blank. */
tt_assert(!strcmpstart(smartlist_get(lines, 1), "=============="));
tt_assert(!strcmpstart(smartlist_get(lines, 2), "Minimal."));
/* Next line is blank. */
tt_assert(!strcmpstart(smartlist_get(lines, 3), "=============="));
tt_str_op(smartlist_get(lines, 4), OP_EQ,
"Testing any attempt to manually log from a signal.");
done:
tor_free(content);
smartlist_free(lines);
}
/** Adjust the configured severity of any logs whose callback function is
* <b>cb</b>. */
void
change_callback_log_severity(int loglevelMin, int loglevelMax,
log_callback cb)
{
logfile_t *lf;
log_severity_list_t severities;
set_log_severity_config(loglevelMin, loglevelMax, &severities);
LOCK_LOGS();
for (lf = logfiles; lf; lf = lf->next) {
if (lf->callback == cb) {
memcpy(lf->severities, &severities, sizeof(severities));
}
}
_log_global_min_severity = get_min_log_level();
UNLOCK_LOGS();
}
int
main(int argc, char **argv)
{
log_severity_list_t severity;
if (argc < 2) {
puts("I take an argument. It should be \"assert\" or \"crash\" or "
"\"backtraces\" or \"none\"");
return 1;
}
#if !(defined(HAVE_EXECINFO_H) && defined(HAVE_BACKTRACE) && \
defined(HAVE_BACKTRACE_SYMBOLS_FD) && defined(HAVE_SIGACTION))
puts("Backtrace reporting is not supported on this platform");
return 77;
#endif
if (!strcmp(argv[1], "assert")) {
crashtype = 1;
} else if (!strcmp(argv[1], "crash")) {
crashtype = 0;
} else if (!strcmp(argv[1], "none")) {
crashtype = -1;
} else if (!strcmp(argv[1], "backtraces")) {
return 0;
} else {
puts("Argument should be \"assert\" or \"crash\" or \"none\"");
return 1;
}
init_logging(1);
set_log_severity_config(LOG_WARN, LOG_ERR, &severity);
add_stream_log(&severity, "stdout", STDOUT_FILENO);
tor_log_update_sigsafe_err_fds();
configure_backtrace_handler(NULL);
signal(SIGABRT, abort_handler);
printf("%d\n", we_weave(2));
clean_up_backtrace_handler();
logs_free_all();
return 0;
}
int
main(int argc, char **argv)
{
log_severity_list_t severity;
if (argc < 2) {
puts("I take an argument. It should be \"assert\" or \"crash\" or "
"\"none\"");
return 1;
}
if (!strcmp(argv[1], "assert")) {
crashtype = 1;
} else if (!strcmp(argv[1], "crash")) {
crashtype = 0;
} else if (!strcmp(argv[1], "none")) {
crashtype = -1;
} else {
puts("Argument should be \"assert\" or \"crash\" or \"none\"");
return 1;
}
init_logging(1);
set_log_severity_config(LOG_WARN, LOG_ERR, &severity);
add_stream_log(&severity, "stdout", STDOUT_FILENO);
tor_log_update_sigsafe_err_fds();
configure_backtrace_handler(NULL);
signal(SIGABRT, abort_handler);
printf("%d\n", we_weave(2));
clean_up_backtrace_handler();
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;
}
static void
test_get_sigsafe_err_fds(void *arg)
{
const int *fds;
int n;
log_severity_list_t include_bug, no_bug, no_bug2;
(void) arg;
init_logging(1);
n = tor_log_get_sigsafe_err_fds(&fds);
tt_int_op(n, OP_EQ, 1);
tt_int_op(fds[0], OP_EQ, STDERR_FILENO);
set_log_severity_config(LOG_WARN, LOG_ERR, &include_bug);
set_log_severity_config(LOG_WARN, LOG_ERR, &no_bug);
no_bug.masks[0] &= ~(LD_BUG|LD_GENERAL);
set_log_severity_config(LOG_INFO, LOG_NOTICE, &no_bug2);
/* Add some logs; make sure the output is as expected. */
mark_logs_temp();
add_stream_log(&include_bug, "dummy-1", 3);
add_stream_log(&no_bug, "dummy-2", 4);
add_stream_log(&no_bug2, "dummy-3", 5);
add_callback_log(&include_bug, dummy_cb_fn);
close_temp_logs();
tor_log_update_sigsafe_err_fds();
n = tor_log_get_sigsafe_err_fds(&fds);
tt_int_op(n, OP_EQ, 2);
tt_int_op(fds[0], OP_EQ, STDERR_FILENO);
tt_int_op(fds[1], OP_EQ, 3);
/* Allow STDOUT to replace STDERR. */
add_stream_log(&include_bug, "dummy-4", STDOUT_FILENO);
tor_log_update_sigsafe_err_fds();
n = tor_log_get_sigsafe_err_fds(&fds);
tt_int_op(n, OP_EQ, 2);
tt_int_op(fds[0], OP_EQ, 3);
tt_int_op(fds[1], OP_EQ, STDOUT_FILENO);
/* But don't allow it to replace explicit STDERR. */
add_stream_log(&include_bug, "dummy-5", STDERR_FILENO);
tor_log_update_sigsafe_err_fds();
n = tor_log_get_sigsafe_err_fds(&fds);
tt_int_op(n, OP_EQ, 3);
tt_int_op(fds[0], OP_EQ, STDERR_FILENO);
tt_int_op(fds[1], OP_EQ, STDOUT_FILENO);
tt_int_op(fds[2], OP_EQ, 3);
/* Don't overflow the array. */
{
int i;
for (i=5; i<20; ++i) {
add_stream_log(&include_bug, "x-dummy", i);
}
}
tor_log_update_sigsafe_err_fds();
n = tor_log_get_sigsafe_err_fds(&fds);
tt_int_op(n, OP_EQ, 8);
done:
;
}
/** 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;
}