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);
}
/** Make all currently temporary logs (set to be closed by close_temp_logs)
* live again, and close all non-temporary logs. */
void
rollback_log_changes(void)
{
logfile_t *lf;
LOCK_LOGS();
for (lf = logfiles; lf; lf = lf->next)
lf->is_temporary = ! lf->is_temporary;
UNLOCK_LOGS();
close_temp_logs();
}
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:
;
}