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tor/src/test/test_util.c
Nick Mathewson c3b7258370 Merge remote-tracking branch 'isis/bug24660_r1'
2018-05-03 13:50:18 -04:00

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/* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#define COMPAT_PRIVATE
#define COMPAT_TIME_PRIVATE
#define CONTROL_PRIVATE
#define UTIL_PRIVATE
#include "or.h"
#include "buffers.h"
#include "config.h"
#include "control.h"
#include "crypto_rand.h"
#include "test.h"
#include "memarea.h"
#include "util_process.h"
#include "log_test_helpers.h"
#include "compress_zstd.h"
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_SYS_UTIME_H
#include <sys/utime.h>
#endif
#ifdef HAVE_UTIME_H
#include <utime.h>
#endif
#ifdef _WIN32
#include <tchar.h>
#endif
#include <math.h>
#include <ctype.h>
#include <float.h>
#define INFINITY_DBL ((double)INFINITY)
#define NAN_DBL ((double)NAN)
/* XXXX this is a minimal wrapper to make the unit tests compile with the
* changed tor_timegm interface. */
static time_t
tor_timegm_wrapper(const struct tm *tm)
{
time_t t;
if (tor_timegm(tm, &t) < 0)
return -1;
return t;
}
#define tor_timegm tor_timegm_wrapper
static void
test_util_read_until_eof_impl(const char *fname, size_t file_len,
size_t read_limit)
{
char *fifo_name = NULL;
char *test_str = NULL;
char *str = NULL;
size_t sz = 9999999;
int fd = -1;
int r;
fifo_name = tor_strdup(get_fname(fname));
test_str = tor_malloc(file_len);
crypto_rand(test_str, file_len);
r = write_bytes_to_file(fifo_name, test_str, file_len, 1);
tt_int_op(r, OP_EQ, 0);
fd = open(fifo_name, O_RDONLY|O_BINARY);
tt_int_op(fd, OP_GE, 0);
str = read_file_to_str_until_eof(fd, read_limit, &sz);
tt_ptr_op(str, OP_NE, NULL);
if (read_limit < file_len)
tt_int_op(sz, OP_EQ, read_limit);
else
tt_int_op(sz, OP_EQ, file_len);
tt_mem_op(test_str, OP_EQ, str, sz);
tt_int_op(str[sz], OP_EQ, '\0');
done:
unlink(fifo_name);
tor_free(fifo_name);
tor_free(test_str);
tor_free(str);
if (fd >= 0)
close(fd);
}
static void
test_util_read_file_eof_tiny_limit(void *arg)
{
(void)arg;
// purposely set limit shorter than what we wrote to the FIFO to
// test the maximum, and that it puts the NUL in the right spot
test_util_read_until_eof_impl("tor_test_fifo_tiny", 5, 4);
}
static void
test_util_read_file_eof_one_loop_a(void *arg)
{
(void)arg;
test_util_read_until_eof_impl("tor_test_fifo_1ka", 1024, 1023);
}
static void
test_util_read_file_eof_one_loop_b(void *arg)
{
(void)arg;
test_util_read_until_eof_impl("tor_test_fifo_1kb", 1024, 1024);
}
static void
test_util_read_file_eof_two_loops(void *arg)
{
(void)arg;
// write more than 1024 bytes to the FIFO to test two passes through
// the loop in the method; if the re-alloc size is changed this
// should be updated as well.
test_util_read_until_eof_impl("tor_test_fifo_2k", 2048, 10000);
}
static void
test_util_read_file_eof_two_loops_b(void *arg)
{
(void)arg;
test_util_read_until_eof_impl("tor_test_fifo_2kb", 2048, 2048);
}
static void
test_util_read_file_eof_zero_bytes(void *arg)
{
(void)arg;
// zero-byte fifo
test_util_read_until_eof_impl("tor_test_fifo_empty", 0, 10000);
}
/* Test the basic expected behaviour for write_chunks_to_file.
* NOTE: This will need to be updated if we ever change the tempfile location
* or extension */
static void
test_util_write_chunks_to_file(void *arg)
{
char *fname = NULL;
char *tempname = NULL;
char *str = NULL;
int r;
struct stat st;
/* These should be two different sizes to ensure the data is different
* between the data file and the temp file's 'known string' */
int temp_str_len = 1024;
int data_str_len = 512;
char *data_str = tor_malloc(data_str_len);
char *temp_str = tor_malloc(temp_str_len);
smartlist_t *chunks = smartlist_new();
sized_chunk_t c = {data_str, data_str_len/2};
sized_chunk_t c2 = {data_str + data_str_len/2, data_str_len/2};
(void)arg;
crypto_rand(temp_str, temp_str_len);
crypto_rand(data_str, data_str_len);
// Ensure it can write multiple chunks
smartlist_add(chunks, &c);
smartlist_add(chunks, &c2);
/*
* Check if it writes using a tempfile
*/
fname = tor_strdup(get_fname("write_chunks_with_tempfile"));
tor_asprintf(&tempname, "%s.tmp", fname);
// write a known string to a file where the tempfile will be
r = write_bytes_to_file(tempname, temp_str, temp_str_len, 1);
tt_int_op(r, OP_EQ, 0);
// call write_chunks_to_file
r = write_chunks_to_file(fname, chunks, 1, 0);
tt_int_op(r, OP_EQ, 0);
// assert the file has been written (expected size)
str = read_file_to_str(fname, RFTS_BIN, &st);
tt_assert(str != NULL);
tt_u64_op((uint64_t)st.st_size, OP_EQ, data_str_len);
tt_mem_op(data_str, OP_EQ, str, data_str_len);
tor_free(str);
// assert that the tempfile is removed (should not leave artifacts)
str = read_file_to_str(tempname, RFTS_BIN|RFTS_IGNORE_MISSING, &st);
tt_assert(str == NULL);
// Remove old testfile for second test
r = unlink(fname);
tt_int_op(r, OP_EQ, 0);
tor_free(fname);
tor_free(tempname);
/*
* Check if it skips using a tempfile with flags
*/
fname = tor_strdup(get_fname("write_chunks_with_no_tempfile"));
tor_asprintf(&tempname, "%s.tmp", fname);
// write a known string to a file where the tempfile will be
r = write_bytes_to_file(tempname, temp_str, temp_str_len, 1);
tt_int_op(r, OP_EQ, 0);
// call write_chunks_to_file with no_tempfile = true
r = write_chunks_to_file(fname, chunks, 1, 1);
tt_int_op(r, OP_EQ, 0);
// assert the file has been written (expected size)
str = read_file_to_str(fname, RFTS_BIN, &st);
tt_assert(str != NULL);
tt_u64_op((uint64_t)st.st_size, OP_EQ, data_str_len);
tt_mem_op(data_str, OP_EQ, str, data_str_len);
tor_free(str);
// assert the tempfile still contains the known string
str = read_file_to_str(tempname, RFTS_BIN, &st);
tt_assert(str != NULL);
tt_u64_op((uint64_t)st.st_size, OP_EQ, temp_str_len);
tt_mem_op(temp_str, OP_EQ, str, temp_str_len);
done:
unlink(fname);
unlink(tempname);
smartlist_free(chunks);
tor_free(fname);
tor_free(tempname);
tor_free(str);
tor_free(data_str);
tor_free(temp_str);
}
#define _TFE(a, b, f) tt_int_op((a).f, OP_EQ, (b).f)
/** test the minimum set of struct tm fields needed for a unique epoch value
* this is also the set we use to test tor_timegm */
#define TM_EQUAL(a, b) \
TT_STMT_BEGIN \
_TFE(a, b, tm_year); \
_TFE(a, b, tm_mon ); \
_TFE(a, b, tm_mday); \
_TFE(a, b, tm_hour); \
_TFE(a, b, tm_min ); \
_TFE(a, b, tm_sec ); \
TT_STMT_END
static void
test_util_time(void *arg)
{
struct timeval start, end;
struct tm a_time, b_time;
char timestr[128];
time_t t_res;
int i;
struct timeval tv;
/* Test tv_udiff and tv_mdiff */
(void)arg;
start.tv_sec = 5;
start.tv_usec = 5000;
end.tv_sec = 5;
end.tv_usec = 5000;
tt_int_op(0L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(0L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(0L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(0L,OP_EQ, tv_mdiff(&end, &start));
end.tv_usec = 7000;
tt_int_op(2000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(2L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-2000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(-2L,OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = 6;
tt_int_op(1002000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(1002L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-1002000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(-1002L,OP_EQ, tv_mdiff(&end, &start));
end.tv_usec = 0;
tt_int_op(995000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(995L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-995000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(-995L,OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = 4;
tt_int_op(-1005000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(-1005L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(1005000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(1005L,OP_EQ, tv_mdiff(&end, &start));
/* Negative tv_sec values, these will break on platforms where tv_sec is
* unsigned */
end.tv_sec = -10;
tt_int_op(-15005000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(-15005L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(15005000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(15005L,OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = -100;
tt_int_op(89995000L,OP_EQ, tv_udiff(&start, &end));
tt_int_op(89995L,OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-89995000L,OP_EQ, tv_udiff(&end, &start));
tt_int_op(-89995L,OP_EQ, tv_mdiff(&end, &start));
/* Test that tv_usec values round away from zero when converted to msec */
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = 10;
end.tv_usec = 499;
tt_int_op(10000499L, OP_EQ, tv_udiff(&start, &end));
tt_int_op(10000L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-10000499L, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-10000L, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = 10;
end.tv_usec = 500;
tt_int_op(10000500L, OP_EQ, tv_udiff(&start, &end));
tt_int_op(10001L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-10000500L, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-10000L, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = 10;
end.tv_usec = 501;
tt_int_op(10000501L, OP_EQ, tv_udiff(&start, &end));
tt_int_op(10001L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-10000501L, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-10001L, OP_EQ, tv_mdiff(&end, &start));
/* Overflow conditions */
#ifdef _WIN32
/* Would you believe that tv_sec is a long on windows? Of course you would.*/
#define TV_SEC_MAX LONG_MAX
#define TV_SEC_MIN LONG_MIN
#else
/* Some BSDs have struct timeval.tv_sec 64-bit, but time_t (and long) 32-bit
* Which means TIME_MAX is not actually the maximum value of tv_sec.
* But that's ok for the moment, because the code correctly performs 64-bit
* calculations internally, then catches the overflow. */
#define TV_SEC_MAX TIME_MAX
#define TV_SEC_MIN TIME_MIN
#endif /* defined(_WIN32) */
/* Assume tv_usec is an unsigned integer until proven otherwise */
#define TV_USEC_MAX UINT_MAX
#define TOR_USEC_PER_SEC 1000000
/* Overflows in the result type */
/* All comparisons work */
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000 - 2;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(end.tv_sec*1000L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-end.tv_sec*1000L, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000000 - 1;
end.tv_usec = 0;
tt_int_op(end.tv_sec*1000000L, OP_EQ, tv_udiff(&start, &end));
tt_int_op(end.tv_sec*1000L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(-end.tv_sec*1000000L, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-end.tv_sec*1000L, OP_EQ, tv_mdiff(&end, &start));
/* No comparisons work */
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000 + 1;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000000 + 1;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(end.tv_sec*1000L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-end.tv_sec*1000L, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000;
end.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = LONG_MAX/1000000;
end.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op((end.tv_sec + 1)*1000L, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(-(end.tv_sec + 1)*1000L, OP_EQ, tv_mdiff(&end, &start));
/* Overflows on comparison to zero */
start.tv_sec = 0;
start.tv_usec = 0;
end.tv_sec = TV_SEC_MAX;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = 0;
end.tv_usec = TV_USEC_MAX;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = TV_USEC_MAX;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = 0;
end.tv_usec = 0;
start.tv_sec = TV_SEC_MIN;
start.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = TV_SEC_MIN;
start.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = TV_SEC_MIN;
start.tv_usec = TV_USEC_MAX;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
/* overflows on comparison to maxima / minima */
start.tv_sec = TV_SEC_MIN;
start.tv_usec = 0;
end.tv_sec = TV_SEC_MAX;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = 0;
start.tv_sec = TV_SEC_MIN;
start.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = TV_SEC_MIN;
start.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
/* overflows on comparison to maxima / minima with extra usec */
start.tv_sec = TV_SEC_MIN;
start.tv_usec = TOR_USEC_PER_SEC;
end.tv_sec = TV_SEC_MAX;
end.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
end.tv_sec = TV_SEC_MAX;
end.tv_usec = TOR_USEC_PER_SEC;
start.tv_sec = TV_SEC_MIN;
start.tv_usec = 0;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
start.tv_sec = TV_SEC_MIN;
start.tv_usec = TOR_USEC_PER_SEC;
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&start, &end));
tt_int_op(LONG_MAX, OP_EQ, tv_udiff(&end, &start));
tt_int_op(LONG_MAX, OP_EQ, tv_mdiff(&end, &start));
/* Test tor_timegm & tor_gmtime_r */
/* The test values here are confirmed to be correct on a platform
* with a working timegm & gmtime_r. */
/* Start with known-zero a_time and b_time.
* This avoids passing uninitialised values to TM_EQUAL in a_time.
* Zeroing may not be needed for b_time, as long as tor_gmtime_r
* never reads the existing values in the structure.
* But we really don't want intermittently failing tests. */
memset(&a_time, 0, sizeof(struct tm));
memset(&b_time, 0, sizeof(struct tm));
a_time.tm_year = 2003-1900;
a_time.tm_mon = 7;
a_time.tm_mday = 30;
a_time.tm_hour = 6;
a_time.tm_min = 14;
a_time.tm_sec = 55;
t_res = 1062224095UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
a_time.tm_year = 2004-1900; /* Try a leap year, after feb. */
t_res = 1093846495UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
a_time.tm_mon = 1; /* Try a leap year, in feb. */
a_time.tm_mday = 10;
t_res = 1076393695UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
a_time.tm_mon = 0;
t_res = 1073715295UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
/* This value is in range with 32 bit and 64 bit time_t */
a_time.tm_year = 2037-1900;
t_res = 2115180895UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
/* This value is out of range with 32 bit time_t, but in range for 64 bit
* time_t */
a_time.tm_year = 2039-1900;
#if SIZEOF_TIME_T == 4
setup_full_capture_of_logs(LOG_WARN);
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
expect_single_log_msg_containing("Result does not fit in tor_timegm");
teardown_capture_of_logs();
#elif SIZEOF_TIME_T == 8
t_res = 2178252895UL;
tt_int_op(t_res, OP_EQ, tor_timegm(&a_time));
tor_gmtime_r(&t_res, &b_time);
TM_EQUAL(a_time, b_time);
#endif /* SIZEOF_TIME_T == 4 || ... */
/* Test tor_timegm out of range */
/* The below tests will all cause a BUG message, so we capture, suppress,
* and detect. */
#define CAPTURE() do { \
setup_full_capture_of_logs(LOG_WARN); \
} while (0)
#define CHECK_TIMEGM_WARNING(msg) do { \
expect_single_log_msg_containing(msg); \
teardown_capture_of_logs(); \
} while (0)
#define CHECK_TIMEGM_ARG_OUT_OF_RANGE(msg) \
CHECK_TIMEGM_WARNING("Out-of-range argument to tor_timegm")
/* year */
/* Wrong year < 1970 */
a_time.tm_year = 1969-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = -1-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
#if SIZEOF_INT == 4 || SIZEOF_INT == 8
a_time.tm_year = -1*(1 << 16);
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* one of the smallest tm_year values my 64 bit system supports:
* t_res = -9223372036854775LL without clamping */
a_time.tm_year = -292275055-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = INT32_MIN;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
#endif /* SIZEOF_INT == 4 || SIZEOF_INT == 8 */
#if SIZEOF_INT == 8
a_time.tm_year = -1*(1 << 48);
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* while unlikely, the system's gmtime(_r) could return
* a "correct" retrospective gregorian negative year value,
* which I'm pretty sure is:
* -1*(2^63)/60/60/24*2000/730485 + 1970 = -292277022657
* 730485 is the number of days in two millennia, including leap days */
a_time.tm_year = -292277022657-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = INT64_MIN;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
#endif /* SIZEOF_INT == 8 */
/* Wrong year >= INT32_MAX - 1900 */
#if SIZEOF_INT == 4 || SIZEOF_INT == 8
a_time.tm_year = INT32_MAX-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = INT32_MAX;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
#endif /* SIZEOF_INT == 4 || SIZEOF_INT == 8 */
#if SIZEOF_INT == 8
/* one of the largest tm_year values my 64 bit system supports */
a_time.tm_year = 292278994-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* while unlikely, the system's gmtime(_r) could return
* a "correct" proleptic gregorian year value,
* which I'm pretty sure is:
* (2^63-1)/60/60/24*2000/730485 + 1970 = 292277026596
* 730485 is the number of days in two millennia, including leap days */
a_time.tm_year = 292277026596-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = INT64_MAX-1900;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = INT64_MAX;
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
#endif /* SIZEOF_INT == 8 */
/* month */
a_time.tm_year = 2007-1900; /* restore valid year */
a_time.tm_mon = 12; /* Wrong month, it's 0-based */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_mon = -1; /* Wrong month */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* day */
a_time.tm_mon = 6; /* Try July */
a_time.tm_mday = 32; /* Wrong day */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_mon = 5; /* Try June */
a_time.tm_mday = 31; /* Wrong day */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = 2008-1900; /* Try a leap year */
a_time.tm_mon = 1; /* in feb. */
a_time.tm_mday = 30; /* Wrong day */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_year = 2011-1900; /* Try a non-leap year */
a_time.tm_mon = 1; /* in feb. */
a_time.tm_mday = 29; /* Wrong day */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_mday = 0; /* Wrong day, it's 1-based (to be different) */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* hour */
a_time.tm_mday = 3; /* restore valid month day */
a_time.tm_hour = 24; /* Wrong hour, it's 0-based */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_hour = -1; /* Wrong hour */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* minute */
a_time.tm_hour = 22; /* restore valid hour */
a_time.tm_min = 60; /* Wrong minute, it's 0-based */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_min = -1; /* Wrong minute */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* second */
a_time.tm_min = 37; /* restore valid minute */
a_time.tm_sec = 61; /* Wrong second: 0-based with leap seconds */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
a_time.tm_sec = -1; /* Wrong second */
CAPTURE();
tt_int_op((time_t) -1,OP_EQ, tor_timegm(&a_time));
CHECK_TIMEGM_ARG_OUT_OF_RANGE();
/* Test tor_gmtime_r out of range */
/* time_t < 0 yields a year clamped to 1 or 1970,
* depending on whether the implementation of the system gmtime(_r)
* sets struct tm (1) or not (1970) */
t_res = -1;
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (1970-1900) ||
b_time.tm_year == (1969-1900));
if (sizeof(time_t) == 4 || sizeof(time_t) == 8) {
t_res = -1*(1 << 30);
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (1970-1900) ||
b_time.tm_year == (1935-1900));
t_res = INT32_MIN;
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (1970-1900) ||
b_time.tm_year == (1901-1900));
}
#if SIZEOF_TIME_T == 8
{
/* one of the smallest tm_year values my 64 bit system supports:
* b_time.tm_year == (-292275055LL-1900LL) without clamping */
t_res = -9223372036854775LL;
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (1970-1900) ||
b_time.tm_year == (1-1900));
/* while unlikely, the system's gmtime(_r) could return
* a "correct" retrospective gregorian negative year value,
* which I'm pretty sure is:
* -1*(2^63)/60/60/24*2000/730485 + 1970 = -292277022657
* 730485 is the number of days in two millennia, including leap days
* (int64_t)b_time.tm_year == (-292277022657LL-1900LL) without clamping */
t_res = INT64_MIN;
CAPTURE();
tor_gmtime_r(&t_res, &b_time);
if (! (b_time.tm_year == (1970-1900) ||
b_time.tm_year == (1-1900))) {
tt_int_op(b_time.tm_year, OP_EQ, 1970-1900);
}
if (b_time.tm_year != 1970-1900) {
CHECK_TIMEGM_WARNING("Rounding up to ");
} else {
teardown_capture_of_logs();
}
}
#endif /* SIZEOF_TIME_T == 8 */
/* time_t >= INT_MAX yields a year clamped to 2037 or 9999,
* depending on whether the implementation of the system gmtime(_r)
* sets struct tm (9999) or not (2037) */
#if SIZEOF_TIME_T == 4 || SIZEOF_TIME_T == 8
{
t_res = 3*(1 << 29);
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (2021-1900));
t_res = INT32_MAX;
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (2037-1900) ||
b_time.tm_year == (2038-1900));
}
#endif /* SIZEOF_TIME_T == 4 || SIZEOF_TIME_T == 8 */
#if SIZEOF_TIME_T == 8
{
/* one of the largest tm_year values my 64 bit system supports:
* b_time.tm_year == (292278994L-1900L) without clamping */
t_res = 9223372036854775LL;
tor_gmtime_r(&t_res, &b_time);
tt_assert(b_time.tm_year == (2037-1900) ||
b_time.tm_year == (9999-1900));
/* while unlikely, the system's gmtime(_r) could return
* a "correct" proleptic gregorian year value,
* which I'm pretty sure is:
* (2^63-1)/60/60/24*2000/730485 + 1970 = 292277026596
* 730485 is the number of days in two millennia, including leap days
* (int64_t)b_time.tm_year == (292277026596L-1900L) without clamping */
t_res = INT64_MAX;
CAPTURE();
tor_gmtime_r(&t_res, &b_time);
CHECK_TIMEGM_WARNING("Rounding down to ");
tt_assert(b_time.tm_year == (2037-1900) ||
b_time.tm_year == (9999-1900));
}
#endif /* SIZEOF_TIME_T == 8 */
/* Test {format,parse}_rfc1123_time */
format_rfc1123_time(timestr, 0);
tt_str_op("Thu, 01 Jan 1970 00:00:00 GMT",OP_EQ, timestr);
format_rfc1123_time(timestr, (time_t)1091580502UL);
tt_str_op("Wed, 04 Aug 2004 00:48:22 GMT",OP_EQ, timestr);
t_res = 0;
i = parse_rfc1123_time(timestr, &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
/* This value is in range with 32 bit and 64 bit time_t */
format_rfc1123_time(timestr, (time_t)2080000000UL);
tt_str_op("Fri, 30 Nov 2035 01:46:40 GMT",OP_EQ, timestr);
t_res = 0;
i = parse_rfc1123_time(timestr, &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)2080000000UL);
/* This value is out of range with 32 bit time_t, but in range for 64 bit
* time_t */
format_rfc1123_time(timestr, (time_t)2150000000UL);
#if SIZEOF_TIME_T == 4
#if 0
/* Wrapping around will have made it this. */
/* On windows, at least, this is clipped to 1 Jan 1970. ??? */
tt_str_op("Sat, 11 Jan 1902 23:45:04 GMT",OP_EQ, timestr);
#endif
/* Make sure that the right date doesn't parse. */
strlcpy(timestr, "Wed, 17 Feb 2038 06:13:20 GMT", sizeof(timestr));
t_res = 0;
CAPTURE();
i = parse_rfc1123_time(timestr, &t_res);
CHECK_TIMEGM_WARNING("does not fit in tor_timegm");
tt_int_op(-1,OP_EQ, i);
#elif SIZEOF_TIME_T == 8
tt_str_op("Wed, 17 Feb 2038 06:13:20 GMT",OP_EQ, timestr);
t_res = 0;
i = parse_rfc1123_time(timestr, &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)2150000000UL);
#endif /* SIZEOF_TIME_T == 4 || ... */
/* The timezone doesn't matter */
t_res = 0;
tt_int_op(0,OP_EQ,
parse_rfc1123_time("Wed, 04 Aug 2004 00:48:22 ZUL", &t_res));
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, zz Aug 2004 99-99x99 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 32 Mar 2011 00:00:00 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 2011 24:00:00 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 2011 23:60:00 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 2011 23:59:62 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 1969 23:59:59 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Ene 2011 23:59:59 GMT", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 2011 23:59:59 GM", &t_res));
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 1900 23:59:59 GMT", &t_res));
/* Leap year. */
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 29 Feb 2011 16:00:00 GMT", &t_res));
tt_int_op(0,OP_EQ,
parse_rfc1123_time("Wed, 29 Feb 2012 16:00:00 GMT", &t_res));
/* Leap second plus one */
tt_int_op(-1,OP_EQ,
parse_rfc1123_time("Wed, 30 Mar 2011 23:59:61 GMT", &t_res));
/* Test parse_iso_time */
t_res = 0;
i = parse_iso_time("", &t_res);
tt_int_op(-1,OP_EQ, i);
t_res = 0;
i = parse_iso_time("2004-08-32 00:48:22", &t_res);
tt_int_op(-1,OP_EQ, i);
t_res = 0;
i = parse_iso_time("1969-08-03 00:48:22", &t_res);
tt_int_op(-1,OP_EQ, i);
t_res = 0;
i = parse_iso_time("2004-08-04 00:48:22", &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
t_res = 0;
i = parse_iso_time("2004-8-4 0:48:22", &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
/* This value is in range with 32 bit and 64 bit time_t */
t_res = 0;
i = parse_iso_time("2035-11-30 01:46:40", &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)2080000000UL);
/* This value is out of range with 32 bit time_t, but in range for 64 bit
* time_t */
t_res = 0;
#if SIZEOF_TIME_T == 4
CAPTURE();
i = parse_iso_time("2038-02-17 06:13:20", &t_res);
tt_int_op(-1,OP_EQ, i);
CHECK_TIMEGM_WARNING("does not fit in tor_timegm");
#elif SIZEOF_TIME_T == 8
i = parse_iso_time("2038-02-17 06:13:20", &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)2150000000UL);
#endif /* SIZEOF_TIME_T == 4 || ... */
tt_int_op(-1,OP_EQ, parse_iso_time("2004-08-zz 99-99x99", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-03-32 00:00:00", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-03-30 24:00:00", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-03-30 23:60:00", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-03-30 23:59:62", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("1969-03-30 23:59:59", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-00-30 23:59:59", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2147483647-08-29 14:00:00", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2011-03-30 23:59", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2004-08-04 00:48:22.100", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2004-08-04 00:48:22XYZ", &t_res));
/* but... that _is_ acceptable if we aren't being strict. */
t_res = 0;
i = parse_iso_time_("2004-08-04 00:48:22XYZ", &t_res, 0, 0);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
/* try nospace variant. */
t_res = 0;
i = parse_iso_time_nospace("2004-08-04T00:48:22", &t_res);
tt_int_op(0,OP_EQ, i);
tt_int_op(t_res,OP_EQ, (time_t)1091580502UL);
tt_int_op(-1,OP_EQ, parse_iso_time("2004-08-04T00:48:22", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time_nospace("2004-08-04 00:48:22", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time("2004-08-04x00:48:22", &t_res));
tt_int_op(-1,OP_EQ, parse_iso_time_nospace("2004-08-04x00:48:22", &t_res));
/* Test tor_gettimeofday */
end.tv_sec = 4;
end.tv_usec = 999990;
start.tv_sec = 1;
start.tv_usec = 500;
tor_gettimeofday(&start);
/* now make sure time works. */
tor_gettimeofday(&end);
/* We might've timewarped a little. */
tt_int_op(tv_udiff(&start, &end), OP_GE, -5000);
/* Test format_iso_time */
tv.tv_sec = (time_t)1326296338UL;
tv.tv_usec = 3060;
format_iso_time(timestr, (time_t)tv.tv_sec);
tt_str_op("2012-01-11 15:38:58",OP_EQ, timestr);
/* The output of format_local_iso_time will vary by timezone, and setting
our timezone for testing purposes would be a nontrivial flaky pain.
Skip this test for now.
format_local_iso_time(timestr, tv.tv_sec);
test_streq("2012-01-11 10:38:58", timestr);
*/
format_iso_time_nospace(timestr, (time_t)tv.tv_sec);
tt_str_op("2012-01-11T15:38:58",OP_EQ, timestr);
tt_int_op(strlen(timestr),OP_EQ, ISO_TIME_LEN);
format_iso_time_nospace_usec(timestr, &tv);
tt_str_op("2012-01-11T15:38:58.003060",OP_EQ, timestr);
tt_int_op(strlen(timestr),OP_EQ, ISO_TIME_USEC_LEN);
tv.tv_usec = 0;
/* This value is in range with 32 bit and 64 bit time_t */
tv.tv_sec = (time_t)2080000000UL;
format_iso_time(timestr, (time_t)tv.tv_sec);
tt_str_op("2035-11-30 01:46:40",OP_EQ, timestr);
/* This value is out of range with 32 bit time_t, but in range for 64 bit
* time_t */
tv.tv_sec = (time_t)2150000000UL;
format_iso_time(timestr, (time_t)tv.tv_sec);
#if SIZEOF_TIME_T == 4
/* format_iso_time should indicate failure on overflow, but it doesn't yet.
* Hopefully #18480 will improve the failure semantics in this case.
tt_str_op("2038-02-17 06:13:20",OP_EQ, timestr);
*/
#elif SIZEOF_TIME_T == 8
#ifndef _WIN32
/* This SHOULD work on windows too; see bug #18665 */
tt_str_op("2038-02-17 06:13:20",OP_EQ, timestr);
#endif
#endif /* SIZEOF_TIME_T == 4 || ... */
#undef CAPTURE
#undef CHECK_TIMEGM_ARG_OUT_OF_RANGE
done:
teardown_capture_of_logs();
}
static void
test_util_parse_http_time(void *arg)
{
struct tm a_time;
char b[ISO_TIME_LEN+1];
(void)arg;
#define T(s) do { \
format_iso_time(b, tor_timegm(&a_time)); \
tt_str_op(b, OP_EQ, (s)); \
b[0]='\0'; \
} while (0)
/* Test parse_http_time */
tt_int_op(-1,OP_EQ,
parse_http_time("", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Sunday, 32 Aug 2004 00:48:22 GMT", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Sunday, 3 Aug 1869 00:48:22 GMT", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Sunday, 32-Aug-94 00:48:22 GMT", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Sunday, 3-Ago-04 00:48:22", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Sunday, August the third", &a_time));
tt_int_op(-1,OP_EQ,
parse_http_time("Wednesday,,04 Aug 1994 00:48:22 GMT", &a_time));
tt_int_op(0,OP_EQ,
parse_http_time("Wednesday, 04 Aug 1994 00:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,
parse_http_time("Wednesday, 4 Aug 1994 0:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,
parse_http_time("Miercoles, 4 Aug 1994 0:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,
parse_http_time("Wednesday, 04-Aug-94 00:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,
parse_http_time("Wednesday, 4-Aug-94 0:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,
parse_http_time("Miercoles, 4-Aug-94 0:48:22 GMT", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ, parse_http_time("Wed Aug 04 00:48:22 1994", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ, parse_http_time("Wed Aug 4 0:48:22 1994", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ, parse_http_time("Mie Aug 4 0:48:22 1994", &a_time));
tt_int_op((time_t)775961302UL,OP_EQ, tor_timegm(&a_time));
T("1994-08-04 00:48:22");
tt_int_op(0,OP_EQ,parse_http_time("Sun, 1 Jan 2012 00:00:00 GMT", &a_time));
tt_int_op((time_t)1325376000UL,OP_EQ, tor_timegm(&a_time));
T("2012-01-01 00:00:00");
tt_int_op(0,OP_EQ,parse_http_time("Mon, 31 Dec 2012 00:00:00 GMT", &a_time));
tt_int_op((time_t)1356912000UL,OP_EQ, tor_timegm(&a_time));
T("2012-12-31 00:00:00");
/* This value is in range with 32 bit and 64 bit time_t */
tt_int_op(0,OP_EQ,parse_http_time("Fri, 30 Nov 2035 01:46:40 GMT", &a_time));
tt_int_op((time_t)2080000000UL,OP_EQ, tor_timegm(&a_time));
T("2035-11-30 01:46:40");
/* This value is out of range with 32 bit time_t, but in range for 64 bit
* time_t */
#if SIZEOF_TIME_T == 4
/* parse_http_time should indicate failure on overflow, but it doesn't yet.
* Hopefully #18480 will improve the failure semantics in this case. */
setup_full_capture_of_logs(LOG_WARN);
tt_int_op(0,OP_EQ,parse_http_time("Wed, 17 Feb 2038 06:13:20 GMT", &a_time));
tt_int_op((time_t)-1,OP_EQ, tor_timegm(&a_time));
expect_single_log_msg_containing("does not fit in tor_timegm");
teardown_capture_of_logs();
#elif SIZEOF_TIME_T == 8
tt_int_op(0,OP_EQ,parse_http_time("Wed, 17 Feb 2038 06:13:20 GMT", &a_time));
tt_int_op((time_t)2150000000UL,OP_EQ, tor_timegm(&a_time));
T("2038-02-17 06:13:20");
#endif /* SIZEOF_TIME_T == 4 || ... */
tt_int_op(-1,OP_EQ, parse_http_time("2004-08-zz 99-99x99 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-03-32 00:00:00 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-03-30 24:00:00 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-03-30 23:60:00 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-03-30 23:59:62 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("1969-03-30 23:59:59 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-00-30 23:59:59 GMT", &a_time));
tt_int_op(-1,OP_EQ, parse_http_time("2011-03-30 23:59", &a_time));
#undef T
done:
teardown_capture_of_logs();
}
static void
test_util_config_line(void *arg)
{
char buf[1024];
char *k=NULL, *v=NULL;
const char *str;
/* Test parse_config_line_from_str */
(void)arg;
strlcpy(buf, "k v\n" " key value with spaces \n" "keykey val\n"
"k2\n"
"k3 \n" "\n" " \n" "#comment\n"
"k4#a\n" "k5#abc\n" "k6 val #with comment\n"
"kseven \"a quoted 'string\"\n"
"k8 \"a \\x71uoted\\n\\\"str\\\\ing\\t\\001\\01\\1\\\"\"\n"
"k9 a line that\\\n spans two lines.\n\n"
"k10 more than\\\n one contin\\\nuation\n"
"k11 \\\ncontinuation at the start\n"
"k12 line with a\\\n#comment\n embedded\n"
"k13\\\ncontinuation at the very start\n"
"k14 a line that has a comment and # ends with a slash \\\n"
"k15 this should be the next new line\n"
"k16 a line that has a comment and # ends without a slash \n"
"k17 this should be the next new line\n"
, sizeof(buf));
str = buf;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k");
tt_str_op(v,OP_EQ, "v");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "key value with"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "key");
tt_str_op(v,OP_EQ, "value with spaces");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "keykey"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "keykey");
tt_str_op(v,OP_EQ, "val");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "k2\n"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k2");
tt_str_op(v,OP_EQ, "");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "k3 \n"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k3");
tt_str_op(v,OP_EQ, "");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "#comment"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k4");
tt_str_op(v,OP_EQ, "");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "k5#abc"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k5");
tt_str_op(v,OP_EQ, "");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "k6"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k6");
tt_str_op(v,OP_EQ, "val");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "kseven"));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "kseven");
tt_str_op(v,OP_EQ, "a quoted \'string");
tor_free(k); tor_free(v);
tt_assert(!strcmpstart(str, "k8 "));
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k8");
tt_str_op(v,OP_EQ, "a quoted\n\"str\\ing\t\x01\x01\x01\"");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k9");
tt_str_op(v,OP_EQ, "a line that spans two lines.");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k10");
tt_str_op(v,OP_EQ, "more than one continuation");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k11");
tt_str_op(v,OP_EQ, "continuation at the start");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k12");
tt_str_op(v,OP_EQ, "line with a embedded");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k13");
tt_str_op(v,OP_EQ, "continuation at the very start");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k14");
tt_str_op(v,OP_EQ, "a line that has a comment and" );
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k15");
tt_str_op(v,OP_EQ, "this should be the next new line");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k16");
tt_str_op(v,OP_EQ, "a line that has a comment and" );
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k17");
tt_str_op(v,OP_EQ, "this should be the next new line");
tor_free(k); tor_free(v);
tt_str_op(str,OP_EQ, "");
done:
tor_free(k);
tor_free(v);
}
static void
test_util_config_line_quotes(void *arg)
{
char buf1[1024];
char buf2[128];
char buf3[128];
char buf4[128];
char *k=NULL, *v=NULL;
const char *str;
/* Test parse_config_line_from_str */
(void)arg;
strlcpy(buf1, "kTrailingSpace \"quoted value\" \n"
"kTrailingGarbage \"quoted value\"trailing garbage\n"
, sizeof(buf1));
strlcpy(buf2, "kTrailingSpaceAndGarbage \"quoted value\" trailing space+g\n"
, sizeof(buf2));
strlcpy(buf3, "kMultilineTrailingSpace \"mline\\ \nvalue w/ trailing sp\"\n"
, sizeof(buf3));
strlcpy(buf4, "kMultilineNoTrailingBackslash \"naked multiline\nvalue\"\n"
, sizeof(buf4));
str = buf1;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "kTrailingSpace");
tt_str_op(v,OP_EQ, "quoted value");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str = buf2;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str = buf3;
const char *err = NULL;
str = parse_config_line_from_str_verbose(str, &k, &v, &err);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
tt_str_op(err, OP_EQ, "Invalid escape sequence in quoted string");
str = buf4;
err = NULL;
str = parse_config_line_from_str_verbose(str, &k, &v, &err);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
tt_str_op(err, OP_EQ, "Invalid escape sequence in quoted string");
done:
tor_free(k);
tor_free(v);
}
static void
test_util_config_line_comment_character(void *arg)
{
char buf[1024];
char *k=NULL, *v=NULL;
const char *str;
/* Test parse_config_line_from_str */
(void)arg;
strlcpy(buf, "k1 \"# in quotes\"\n"
"k2 some value # some comment\n"
"k3 /home/user/myTorNetwork#2\n" /* Testcase for #1323 */
, sizeof(buf));
str = buf;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k1");
tt_str_op(v,OP_EQ, "# in quotes");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "k2");
tt_str_op(v,OP_EQ, "some value");
tor_free(k); tor_free(v);
tt_str_op(str,OP_EQ, "k3 /home/user/myTorNetwork#2\n");
#if 0
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
test_streq(k, "k3");
test_streq(v, "/home/user/myTorNetwork#2");
tor_free(k); tor_free(v);
test_streq(str, "");
#endif /* 0 */
done:
tor_free(k);
tor_free(v);
}
static void
test_util_config_line_escaped_content(void *arg)
{
char buf1[1024];
char buf2[128];
char buf3[128];
char buf4[128];
char buf5[128];
char buf6[128];
char *k=NULL, *v=NULL;
const char *str;
/* Test parse_config_line_from_str */
(void)arg;
strlcpy(buf1, "HexadecimalLower \"\\x2a\"\n"
"HexadecimalUpper \"\\x2A\"\n"
"HexadecimalUpperX \"\\X2A\"\n"
"Octal \"\\52\"\n"
"Newline \"\\n\"\n"
"Tab \"\\t\"\n"
"CarriageReturn \"\\r\"\n"
"DoubleQuote \"\\\"\"\n"
"SimpleQuote \"\\'\"\n"
"Backslash \"\\\\\"\n"
"Mix \"This is a \\\"star\\\":\\t\\'\\x2a\\'\\nAnd second line\"\n"
, sizeof(buf1));
strlcpy(buf2, "BrokenEscapedContent \"\\a\"\n"
, sizeof(buf2));
strlcpy(buf3, "BrokenEscapedContent \"\\x\"\n"
, sizeof(buf3));
strlcpy(buf4, "BrokenOctal \"\\8\"\n"
, sizeof(buf4));
strlcpy(buf5, "BrokenHex \"\\xg4\"\n"
, sizeof(buf5));
strlcpy(buf6, "BrokenEscape \"\\"
, sizeof(buf6));
str = buf1;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "HexadecimalLower");
tt_str_op(v,OP_EQ, "*");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "HexadecimalUpper");
tt_str_op(v,OP_EQ, "*");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "HexadecimalUpperX");
tt_str_op(v,OP_EQ, "*");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "Octal");
tt_str_op(v,OP_EQ, "*");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "Newline");
tt_str_op(v,OP_EQ, "\n");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "Tab");
tt_str_op(v,OP_EQ, "\t");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "CarriageReturn");
tt_str_op(v,OP_EQ, "\r");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "DoubleQuote");
tt_str_op(v,OP_EQ, "\"");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "SimpleQuote");
tt_str_op(v,OP_EQ, "'");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "Backslash");
tt_str_op(v,OP_EQ, "\\");
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_str_op(k,OP_EQ, "Mix");
tt_str_op(v,OP_EQ, "This is a \"star\":\t'*'\nAnd second line");
tor_free(k); tor_free(v);
tt_str_op(str,OP_EQ, "");
str = buf2;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str = buf3;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str = buf4;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
#if 0
str = buf5;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str, OP_EQ, NULL);
tor_free(k); tor_free(v);
#endif /* 0 */
str = buf6;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
/* more things to try. */
/* Bad hex: */
strlcpy(buf1, "Foo \"\\x9g\"\n", sizeof(buf1));
strlcpy(buf2, "Foo \"\\xg0\"\n", sizeof(buf2));
strlcpy(buf3, "Foo \"\\xf\"\n", sizeof(buf3));
/* bad escape */
strlcpy(buf4, "Foo \"\\q\"\n", sizeof(buf4));
/* missing endquote */
strlcpy(buf5, "Foo \"hello\n", sizeof(buf5));
/* extra stuff */
strlcpy(buf6, "Foo \"hello\" world\n", sizeof(buf6));
str=buf1;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str=buf2;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str=buf3;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str=buf4;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str=buf5;
str = parse_config_line_from_str_verbose(str, &k, &v, NULL);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
str=buf6;
const char *err = NULL;
str = parse_config_line_from_str_verbose(str, &k, &v, &err);
tt_ptr_op(str,OP_EQ, NULL);
tor_free(k); tor_free(v);
tt_str_op(err,OP_EQ, "Excess data after quoted string");
done:
tor_free(k);
tor_free(v);
}
static void
test_util_config_line_crlf(void *arg)
{
char *k=NULL, *v=NULL;
const char *err = NULL;
(void)arg;
const char *str =
"Hello world\r\n"
"Hello \"nice big world\"\r\n";
str = parse_config_line_from_str_verbose(str, &k, &v, &err);
tt_assert(str);
tt_str_op(k,OP_EQ,"Hello");
tt_str_op(v,OP_EQ,"world");
tt_ptr_op(err, OP_EQ, NULL);
tor_free(k); tor_free(v);
str = parse_config_line_from_str_verbose(str, &k, &v, &err);
tt_assert(str);
tt_str_op(k,OP_EQ,"Hello");
tt_str_op(v,OP_EQ,"nice big world");
tt_ptr_op(err, OP_EQ, NULL);
tor_free(k); tor_free(v);
tt_str_op(str,OP_EQ, "");
done:
tor_free(k); tor_free(v);
}
#ifndef _WIN32
static void
test_util_expand_filename(void *arg)
{
char *str;
(void)arg;
setenv("HOME", "/home/itv", 1); /* For "internal test value" */
str = expand_filename("");
tt_str_op("",OP_EQ, str);
tor_free(str);
str = expand_filename("/normal/path");
tt_str_op("/normal/path",OP_EQ, str);
tor_free(str);
str = expand_filename("/normal/trailing/path/");
tt_str_op("/normal/trailing/path/",OP_EQ, str);
tor_free(str);
str = expand_filename("~");
tt_str_op("/home/itv/",OP_EQ, str);
tor_free(str);
str = expand_filename("$HOME/nodice");
tt_str_op("$HOME/nodice",OP_EQ, str);
tor_free(str);
str = expand_filename("~/");
tt_str_op("/home/itv/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/foobarqux");
tt_str_op("/home/itv/foobarqux",OP_EQ, str);
tor_free(str);
str = expand_filename("~/../../etc/passwd");
tt_str_op("/home/itv/../../etc/passwd",OP_EQ, str);
tor_free(str);
str = expand_filename("~/trailing/");
tt_str_op("/home/itv/trailing/",OP_EQ, str);
tor_free(str);
/* Ideally we'd test ~anotheruser, but that's shady to test (we'd
have to somehow inject/fake the get_user_homedir call) */
/* $HOME ending in a trailing slash */
setenv("HOME", "/home/itv/", 1);
str = expand_filename("~");
tt_str_op("/home/itv/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/");
tt_str_op("/home/itv/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/foo");
tt_str_op("/home/itv/foo",OP_EQ, str);
tor_free(str);
/* Try with empty $HOME */
setenv("HOME", "", 1);
str = expand_filename("~");
tt_str_op("/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/");
tt_str_op("/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/foobar");
tt_str_op("/foobar",OP_EQ, str);
tor_free(str);
/* Try with $HOME unset */
unsetenv("HOME");
str = expand_filename("~");
tt_str_op("/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/");
tt_str_op("/",OP_EQ, str);
tor_free(str);
str = expand_filename("~/foobar");
tt_str_op("/foobar",OP_EQ, str);
tor_free(str);
done:
tor_free(str);
}
#endif /* !defined(_WIN32) */
/** Test tor_escape_str_for_pt_args(). */
static void
test_util_escape_string_socks(void *arg)
{
char *escaped_string = NULL;
/** Simple backslash escape. */
(void)arg;
escaped_string = tor_escape_str_for_pt_args("This is a backslash: \\",";\\");
tt_assert(escaped_string);
tt_str_op(escaped_string,OP_EQ, "This is a backslash: \\\\");
tor_free(escaped_string);
/** Simple semicolon escape. */
escaped_string = tor_escape_str_for_pt_args("First rule:Do not use ;",";\\");
tt_assert(escaped_string);
tt_str_op(escaped_string,OP_EQ, "First rule:Do not use \\;");
tor_free(escaped_string);
/** Empty string. */
escaped_string = tor_escape_str_for_pt_args("", ";\\");
tt_assert(escaped_string);
tt_str_op(escaped_string,OP_EQ, "");
tor_free(escaped_string);
/** Escape all characters. */
escaped_string = tor_escape_str_for_pt_args(";\\;\\", ";\\");
tt_assert(escaped_string);
tt_str_op(escaped_string,OP_EQ, "\\;\\\\\\;\\\\");
tor_free(escaped_string);
escaped_string = tor_escape_str_for_pt_args(";", ";\\");
tt_assert(escaped_string);
tt_str_op(escaped_string,OP_EQ, "\\;");
tor_free(escaped_string);
done:
tor_free(escaped_string);
}
static void
test_util_string_is_key_value(void *ptr)
{
(void)ptr;
tt_assert(string_is_key_value(LOG_WARN, "key=value"));
tt_assert(string_is_key_value(LOG_WARN, "k=v"));
tt_assert(string_is_key_value(LOG_WARN, "key="));
tt_assert(string_is_key_value(LOG_WARN, "x="));
tt_assert(string_is_key_value(LOG_WARN, "xx="));
tt_assert(!string_is_key_value(LOG_WARN, "=value"));
tt_assert(!string_is_key_value(LOG_WARN, "=x"));
tt_assert(!string_is_key_value(LOG_WARN, "="));
/* ??? */
/* tt_assert(!string_is_key_value(LOG_WARN, "===")); */
done:
;
}
/** Test basic string functionality. */
static void
test_util_strmisc(void *arg)
{
char buf[1024];
char *cp_tmp = NULL;
/* Test strl operations */
(void)arg;
tt_int_op(5,OP_EQ, strlcpy(buf, "Hello", 0));
tt_int_op(5,OP_EQ, strlcpy(buf, "Hello", 10));
tt_str_op(buf,OP_EQ, "Hello");
tt_int_op(5,OP_EQ, strlcpy(buf, "Hello", 6));
tt_str_op(buf,OP_EQ, "Hello");
tt_int_op(5,OP_EQ, strlcpy(buf, "Hello", 5));
tt_str_op(buf,OP_EQ, "Hell");
strlcpy(buf, "Hello", sizeof(buf));
tt_int_op(10,OP_EQ, strlcat(buf, "Hello", 5));
/* Test strstrip() */
strlcpy(buf, "Testing 1 2 3", sizeof(buf));
tor_strstrip(buf, ",!");
tt_str_op(buf,OP_EQ, "Testing 1 2 3");
strlcpy(buf, "!Testing 1 2 3?", sizeof(buf));
tor_strstrip(buf, "!? ");
tt_str_op(buf,OP_EQ, "Testing123");
strlcpy(buf, "!!!Testing 1 2 3??", sizeof(buf));
tor_strstrip(buf, "!? ");
tt_str_op(buf,OP_EQ, "Testing123");
/* Test snprintf */
/* Returning -1 when there's not enough room in the output buffer */
tt_int_op(-1,OP_EQ, tor_snprintf(buf, 0, "Foo"));
tt_int_op(-1,OP_EQ, tor_snprintf(buf, 2, "Foo"));
tt_int_op(-1,OP_EQ, tor_snprintf(buf, 3, "Foo"));
tt_int_op(-1,OP_NE, tor_snprintf(buf, 4, "Foo"));
/* Always NUL-terminate the output */
tor_snprintf(buf, 5, "abcdef");
tt_int_op(0,OP_EQ, buf[4]);
tor_snprintf(buf, 10, "abcdef");
tt_int_op(0,OP_EQ, buf[6]);
/* uint64 */
tor_snprintf(buf, sizeof(buf), "x!"U64_FORMAT"!x",
U64_PRINTF_ARG(U64_LITERAL(12345678901)));
tt_str_op("x!12345678901!x",OP_EQ, buf);
/* Test str{,case}cmpstart */
tt_assert(strcmpstart("abcdef", "abcdef")==0);
tt_assert(strcmpstart("abcdef", "abc")==0);
tt_assert(strcmpstart("abcdef", "abd")<0);
tt_assert(strcmpstart("abcdef", "abb")>0);
tt_assert(strcmpstart("ab", "abb")<0);
tt_assert(strcmpstart("ab", "")==0);
tt_assert(strcmpstart("ab", "ab ")<0);
tt_assert(strcasecmpstart("abcdef", "abCdEF")==0);
tt_assert(strcasecmpstart("abcDeF", "abc")==0);
tt_assert(strcasecmpstart("abcdef", "Abd")<0);
tt_assert(strcasecmpstart("Abcdef", "abb")>0);
tt_assert(strcasecmpstart("ab", "Abb")<0);
tt_assert(strcasecmpstart("ab", "")==0);
tt_assert(strcasecmpstart("ab", "ab ")<0);
/* Test str{,case}cmpend */
tt_assert(strcmpend("abcdef", "abcdef")==0);
tt_assert(strcmpend("abcdef", "def")==0);
tt_assert(strcmpend("abcdef", "deg")<0);
tt_assert(strcmpend("abcdef", "dee")>0);
tt_assert(strcmpend("ab", "aab")>0);
tt_assert(strcasecmpend("AbcDEF", "abcdef")==0);
tt_assert(strcasecmpend("abcdef", "dEF")==0);
tt_assert(strcasecmpend("abcdef", "Deg")<0);
tt_assert(strcasecmpend("abcDef", "dee")>0);
tt_assert(strcasecmpend("AB", "abb")<0);
/* Test digest_is_zero */
memset(buf,0,20);
buf[20] = 'x';
tt_assert(tor_digest_is_zero(buf));
buf[19] = 'x';
tt_assert(!tor_digest_is_zero(buf));
/* Test mem_is_zero */
memset(buf,0,128);
buf[128] = 'x';
tt_assert(tor_mem_is_zero(buf, 10));
tt_assert(tor_mem_is_zero(buf, 20));
tt_assert(tor_mem_is_zero(buf, 128));
tt_assert(!tor_mem_is_zero(buf, 129));
buf[60] = (char)255;
tt_assert(!tor_mem_is_zero(buf, 128));
buf[0] = (char)1;
tt_assert(!tor_mem_is_zero(buf, 10));
/* Test 'escaped' */
tt_ptr_op(escaped(NULL), OP_EQ, NULL);
tt_str_op("\"\"",OP_EQ, escaped(""));
tt_str_op("\"abcd\"",OP_EQ, escaped("abcd"));
tt_str_op("\"\\\\ \\n\\r\\t\\\"\\'\"",OP_EQ, escaped("\\ \n\r\t\"'"));
tt_str_op("\"unnecessary \\'backslashes\\'\"",OP_EQ,
escaped("unnecessary \'backslashes\'"));
/* Non-printable characters appear as octal */
tt_str_op("\"z\\001abc\\277d\"",OP_EQ, escaped("z\001abc\277d"));
tt_str_op("\"z\\336\\255 ;foo\"",OP_EQ, escaped("z\xde\xad\x20;foo"));
/* Other cases of esc_for_log{,_len} */
cp_tmp = esc_for_log(NULL);
tt_str_op(cp_tmp, OP_EQ, "(null)");
tor_free(cp_tmp);
cp_tmp = esc_for_log_len("abcdefg", 3);
tt_str_op(cp_tmp, OP_EQ, "\"abc\"");
tor_free(cp_tmp);
cp_tmp = esc_for_log_len("abcdefg", 100);
tt_str_op(cp_tmp, OP_EQ, "\"abcdefg\"");
tor_free(cp_tmp);
/* Test strndup and memdup */
{
const char *s = "abcdefghijklmnopqrstuvwxyz";
cp_tmp = tor_strndup(s, 30);
tt_str_op(cp_tmp,OP_EQ, s); /* same string, */
tt_ptr_op(cp_tmp,OP_NE,s); /* but different pointers. */
tor_free(cp_tmp);
cp_tmp = tor_strndup(s, 5);
tt_str_op(cp_tmp,OP_EQ, "abcde");
tor_free(cp_tmp);
s = "a\0b\0c\0d\0e\0";
cp_tmp = tor_memdup(s,10);
tt_mem_op(cp_tmp,OP_EQ, s, 10); /* same ram, */
tt_ptr_op(cp_tmp,OP_NE,s); /* but different pointers. */
tor_free(cp_tmp);
}
/* Test str-foo functions */
cp_tmp = tor_strdup("abcdef");
tt_assert(tor_strisnonupper(cp_tmp));
cp_tmp[3] = 'D';
tt_assert(!tor_strisnonupper(cp_tmp));
tor_strupper(cp_tmp);
tt_str_op(cp_tmp,OP_EQ, "ABCDEF");
tor_strlower(cp_tmp);
tt_str_op(cp_tmp,OP_EQ, "abcdef");
tt_assert(tor_strisnonupper(cp_tmp));
tt_assert(tor_strisprint(cp_tmp));
cp_tmp[3] = 3;
tt_assert(!tor_strisprint(cp_tmp));
tor_free(cp_tmp);
/* Test memmem and memstr */
{
const char *haystack = "abcde";
tt_ptr_op(tor_memmem(haystack, 5, "ef", 2), OP_EQ, NULL);
tt_ptr_op(tor_memmem(haystack, 5, "cd", 2),OP_EQ, haystack + 2);
tt_ptr_op(tor_memmem(haystack, 5, "cde", 3),OP_EQ, haystack + 2);
tt_ptr_op(tor_memmem(haystack, 4, "cde", 3), OP_EQ, NULL);
haystack = "ababcad";
tt_ptr_op(tor_memmem(haystack, 7, "abc", 3),OP_EQ, haystack + 2);
tt_ptr_op(tor_memmem(haystack, 7, "ad", 2),OP_EQ, haystack + 5);
tt_ptr_op(tor_memmem(haystack, 7, "cad", 3),OP_EQ, haystack + 4);
tt_ptr_op(tor_memmem(haystack, 7, "dadad", 5), OP_EQ, NULL);
tt_ptr_op(tor_memmem(haystack, 7, "abcdefghij", 10), OP_EQ, NULL);
/* memstr */
tt_ptr_op(tor_memstr(haystack, 7, "abc"),OP_EQ, haystack + 2);
tt_ptr_op(tor_memstr(haystack, 7, "cad"),OP_EQ, haystack + 4);
tt_ptr_op(tor_memstr(haystack, 6, "cad"), OP_EQ, NULL);
tt_ptr_op(tor_memstr(haystack, 7, "cadd"), OP_EQ, NULL);
tt_ptr_op(tor_memstr(haystack, 7, "fe"), OP_EQ, NULL);
tt_ptr_op(tor_memstr(haystack, 7, "ababcade"), OP_EQ, NULL);
}
/* Test hex_str */
{
char binary_data[68];
size_t idx;
for (idx = 0; idx < sizeof(binary_data); ++idx)
binary_data[idx] = idx;
tt_str_op(hex_str(binary_data, 0),OP_EQ, "");
tt_str_op(hex_str(binary_data, 1),OP_EQ, "00");
tt_str_op(hex_str(binary_data, 17),OP_EQ,
"000102030405060708090A0B0C0D0E0F10");
tt_str_op(hex_str(binary_data, 32),OP_EQ,
"000102030405060708090A0B0C0D0E0F"
"101112131415161718191A1B1C1D1E1F");
tt_str_op(hex_str(binary_data, 34),OP_EQ,
"000102030405060708090A0B0C0D0E0F"
"101112131415161718191A1B1C1D1E1F");
/* Repeat these tests for shorter strings after longer strings
have been tried, to make sure we're correctly terminating strings */
tt_str_op(hex_str(binary_data, 1),OP_EQ, "00");
tt_str_op(hex_str(binary_data, 0),OP_EQ, "");
}
/* Test strcmp_opt */
tt_int_op(strcmp_opt("", "foo"), OP_LT, 0);
tt_int_op(strcmp_opt("", ""), OP_EQ, 0);
tt_int_op(strcmp_opt("foo", ""), OP_GT, 0);
tt_int_op(strcmp_opt(NULL, ""), OP_LT, 0);
tt_int_op(strcmp_opt(NULL, NULL), OP_EQ, 0);
tt_int_op(strcmp_opt("", NULL), OP_GT, 0);
tt_int_op(strcmp_opt(NULL, "foo"), OP_LT, 0);
tt_int_op(strcmp_opt("foo", NULL), OP_GT, 0);
/* Test strcmp_len */
tt_int_op(strcmp_len("foo", "bar", 3), OP_GT, 0);
tt_int_op(strcmp_len("foo", "bar", 2), OP_LT, 0);
tt_int_op(strcmp_len("foo2", "foo1", 4), OP_GT, 0);
tt_int_op(strcmp_len("foo2", "foo1", 3), OP_LT, 0); /* Really stop at len */
tt_int_op(strcmp_len("foo2", "foo", 3), OP_EQ, 0); /* Really stop at len */
tt_int_op(strcmp_len("blah", "", 4), OP_GT, 0);
tt_int_op(strcmp_len("blah", "", 0), OP_EQ, 0);
done:
tor_free(cp_tmp);
}
static void
test_util_parse_integer(void *arg)
{
(void)arg;
int i;
char *cp;
/* Test parse_long */
/* Empty/zero input */
tt_int_op(0L,OP_EQ, tor_parse_long("",10,0,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(0L,OP_EQ, tor_parse_long("0",10,0,100,&i,NULL));
tt_int_op(1,OP_EQ, i);
/* Normal cases */
tt_int_op(10L,OP_EQ, tor_parse_long("10",10,0,100,&i,NULL));
tt_int_op(1,OP_EQ, i);
tt_int_op(10L,OP_EQ, tor_parse_long("10",10,0,10,&i,NULL));
tt_int_op(1,OP_EQ, i);
tt_int_op(10L,OP_EQ, tor_parse_long("10",10,10,100,&i,NULL));
tt_int_op(1,OP_EQ, i);
tt_int_op(-50L,OP_EQ, tor_parse_long("-50",10,-100,100,&i,NULL));
tt_int_op(1,OP_EQ, i);
tt_int_op(-50L,OP_EQ, tor_parse_long("-50",10,-100,0,&i,NULL));
tt_int_op(1,OP_EQ, i);
tt_int_op(-50L,OP_EQ, tor_parse_long("-50",10,-50,0,&i,NULL));
tt_int_op(1,OP_EQ, i);
/* Extra garbage */
tt_int_op(0L,OP_EQ, tor_parse_long("10m",10,0,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(0L,OP_EQ, tor_parse_long("-50 plus garbage",10,-100,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(10L,OP_EQ, tor_parse_long("10m",10,0,100,&i,&cp));
tt_int_op(1,OP_EQ, i);
tt_str_op(cp,OP_EQ, "m");
tt_int_op(-50L,OP_EQ, tor_parse_long("-50 plus garbage",10,-100,100,&i,&cp));
tt_int_op(1,OP_EQ, i);
tt_str_op(cp,OP_EQ, " plus garbage");
/* Illogical min max */
tor_capture_bugs_(1);
tt_int_op(0L,OP_EQ, tor_parse_long("10",10,50,4,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(1, OP_EQ, smartlist_len(tor_get_captured_bug_log_()));
tt_str_op("!(max < min)", OP_EQ,
smartlist_get(tor_get_captured_bug_log_(), 0));
tor_end_capture_bugs_();
tor_capture_bugs_(1);
tt_int_op(0L,OP_EQ, tor_parse_long("-50",10,100,-100,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(1, OP_EQ, smartlist_len(tor_get_captured_bug_log_()));
tt_str_op("!(max < min)", OP_EQ,
smartlist_get(tor_get_captured_bug_log_(), 0));
tor_end_capture_bugs_();
/* Out of bounds */
tt_int_op(0L,OP_EQ, tor_parse_long("10",10,50,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
tt_int_op(0L,OP_EQ, tor_parse_long("-50",10,0,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
/* Base different than 10 */
tt_int_op(2L,OP_EQ, tor_parse_long("10",2,0,100,NULL,NULL));
tt_int_op(0L,OP_EQ, tor_parse_long("2",2,0,100,NULL,NULL));
tt_int_op(68284L,OP_EQ, tor_parse_long("10abc",16,0,70000,NULL,NULL));
tt_int_op(68284L,OP_EQ, tor_parse_long("10ABC",16,0,70000,NULL,NULL));
tor_capture_bugs_(2);
tt_int_op(0L,OP_EQ, tor_parse_long("10",-2,0,100,NULL,NULL));
tt_int_op(0,OP_EQ, tor_parse_long("10ABC",-1,0,70000,&i,NULL));
tt_int_op(2, OP_EQ, smartlist_len(tor_get_captured_bug_log_()));
tor_end_capture_bugs_();
tt_int_op(i,OP_EQ, 0);
/* Test parse_ulong */
tt_int_op(0UL,OP_EQ, tor_parse_ulong("",10,0,100,NULL,NULL));
tt_int_op(0UL,OP_EQ, tor_parse_ulong("0",10,0,100,NULL,NULL));
tt_int_op(10UL,OP_EQ, tor_parse_ulong("10",10,0,100,NULL,NULL));
tt_int_op(0UL,OP_EQ, tor_parse_ulong("10",10,50,100,NULL,NULL));
tt_int_op(10UL,OP_EQ, tor_parse_ulong("10",10,0,10,NULL,NULL));
tt_int_op(10UL,OP_EQ, tor_parse_ulong("10",10,10,100,NULL,NULL));
tt_int_op(0UL,OP_EQ, tor_parse_ulong("8",8,0,100,NULL,NULL));
tt_int_op(50UL,OP_EQ, tor_parse_ulong("50",10,50,100,NULL,NULL));
tt_int_op(0UL,OP_EQ, tor_parse_ulong("-50",10,0,100,NULL,NULL));
tor_capture_bugs_(1);
tt_int_op(0UL,OP_EQ, tor_parse_ulong("50",-1,50,100,&i,NULL));
tt_int_op(1, OP_EQ, smartlist_len(tor_get_captured_bug_log_()));
tor_end_capture_bugs_();
tt_int_op(0,OP_EQ, i);
tt_int_op(0UL,OP_EQ, tor_parse_ulong("-50",10,0,100,&i,NULL));
tt_int_op(0,OP_EQ, i);
/* Test parse_uint64 */
tt_assert(U64_LITERAL(10) == tor_parse_uint64("10 x",10,0,100, &i, &cp));
tt_int_op(1,OP_EQ, i);
tt_str_op(cp,OP_EQ, " x");
tt_assert(U64_LITERAL(12345678901) ==
tor_parse_uint64("12345678901",10,0,UINT64_MAX, &i, &cp));
tt_int_op(1,OP_EQ, i);
tt_str_op(cp,OP_EQ, "");
tt_assert(U64_LITERAL(0) ==
tor_parse_uint64("12345678901",10,500,INT32_MAX, &i, &cp));
tt_int_op(0,OP_EQ, i);
tor_capture_bugs_(1);
tt_assert(U64_LITERAL(0) ==
tor_parse_uint64("123",-1,0,INT32_MAX, &i, &cp));
tt_int_op(1, OP_EQ, smartlist_len(tor_get_captured_bug_log_()));
tor_end_capture_bugs_();
tt_int_op(0,OP_EQ, i);
{
/* Test parse_double */
double d = tor_parse_double("10", 0, (double)UINT64_MAX,&i,NULL);
tt_int_op(1,OP_EQ, i);
tt_assert(DBL_TO_U64(d) == 10);
d = tor_parse_double("0", 0, (double)UINT64_MAX,&i,NULL);
tt_int_op(1,OP_EQ, i);
tt_assert(DBL_TO_U64(d) == 0);
d = tor_parse_double(" ", 0, (double)UINT64_MAX,&i,NULL);
tt_double_op(fabs(d), OP_LT, 1e-10);
tt_int_op(0,OP_EQ, i);
d = tor_parse_double(".0a", 0, (double)UINT64_MAX,&i,NULL);
tt_double_op(fabs(d), OP_LT, 1e-10);
tt_int_op(0,OP_EQ, i);
d = tor_parse_double(".0a", 0, (double)UINT64_MAX,&i,&cp);
tt_double_op(fabs(d), OP_LT, 1e-10);
tt_int_op(1,OP_EQ, i);
d = tor_parse_double("-.0", 0, (double)UINT64_MAX,&i,NULL);
tt_int_op(1,OP_EQ, i);
tt_assert(DBL_TO_U64(d) == 0);
d = tor_parse_double("-10", -100.0, 100.0,&i,NULL);
tt_int_op(1,OP_EQ, i);
tt_double_op(fabs(d - -10.0),OP_LT, 1E-12);
}
{
/* Test tor_parse_* where we overflow/underflow the underlying type. */
/* This string should overflow 64-bit ints. */
#define TOOBIG "100000000000000000000000000"
tt_int_op(0L, OP_EQ,
tor_parse_long(TOOBIG, 10, LONG_MIN, LONG_MAX, &i, NULL));
tt_int_op(i,OP_EQ, 0);
tt_int_op(0L,OP_EQ,
tor_parse_long("-"TOOBIG, 10, LONG_MIN, LONG_MAX, &i, NULL));
tt_int_op(i,OP_EQ, 0);
tt_int_op(0UL,OP_EQ, tor_parse_ulong(TOOBIG, 10, 0, ULONG_MAX, &i, NULL));
tt_int_op(i,OP_EQ, 0);
tt_u64_op(U64_LITERAL(0), OP_EQ, tor_parse_uint64(TOOBIG, 10,
0, UINT64_MAX, &i, NULL));
tt_int_op(i,OP_EQ, 0);
}
done:
tor_end_capture_bugs_();
}
static void
test_util_pow2(void *arg)
{
/* Test tor_log2(). */
(void)arg;
tt_int_op(tor_log2(64),OP_EQ, 6);
tt_int_op(tor_log2(65),OP_EQ, 6);
tt_int_op(tor_log2(63),OP_EQ, 5);
/* incorrect mathematically, but as specified: */
tt_int_op(tor_log2(0),OP_EQ, 0);
tt_int_op(tor_log2(1),OP_EQ, 0);
tt_int_op(tor_log2(2),OP_EQ, 1);
tt_int_op(tor_log2(3),OP_EQ, 1);
tt_int_op(tor_log2(4),OP_EQ, 2);
tt_int_op(tor_log2(5),OP_EQ, 2);
tt_int_op(tor_log2(U64_LITERAL(40000000000000000)),OP_EQ, 55);
tt_int_op(tor_log2(UINT64_MAX),OP_EQ, 63);
/* Test round_to_power_of_2 */
tt_u64_op(round_to_power_of_2(120), OP_EQ, 128);
tt_u64_op(round_to_power_of_2(128), OP_EQ, 128);
tt_u64_op(round_to_power_of_2(130), OP_EQ, 128);
tt_u64_op(round_to_power_of_2(U64_LITERAL(40000000000000000)), OP_EQ,
U64_LITERAL(1)<<55);
tt_u64_op(round_to_power_of_2(U64_LITERAL(0xffffffffffffffff)), OP_EQ,
U64_LITERAL(1)<<63);
tt_u64_op(round_to_power_of_2(0), OP_EQ, 1);
tt_u64_op(round_to_power_of_2(1), OP_EQ, 1);
tt_u64_op(round_to_power_of_2(2), OP_EQ, 2);
tt_u64_op(round_to_power_of_2(3), OP_EQ, 2);
tt_u64_op(round_to_power_of_2(4), OP_EQ, 4);
tt_u64_op(round_to_power_of_2(5), OP_EQ, 4);
tt_u64_op(round_to_power_of_2(6), OP_EQ, 4);
tt_u64_op(round_to_power_of_2(7), OP_EQ, 8);
done:
;
}
static void
test_util_compress_impl(compress_method_t method)
{
char *buf1=NULL, *buf2=NULL, *buf3=NULL;
size_t len1, len2;
tt_assert(tor_compress_supports_method(method));
if (method != NO_METHOD) {
tt_ptr_op(tor_compress_version_str(method), OP_NE, NULL);
tt_ptr_op(tor_compress_header_version_str(method), OP_NE, NULL);
}
buf1 = tor_strdup("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ");
tt_assert(detect_compression_method(buf1, strlen(buf1)) == UNKNOWN_METHOD);
tt_assert(!tor_compress(&buf2, &len1, buf1, strlen(buf1)+1, method));
tt_ptr_op(buf2, OP_NE, NULL);
if (method == NO_METHOD) {
// The identity transform doesn't actually compress, and it isn't
// detectable as "the identity transform."
tt_int_op(len1, OP_EQ, strlen(buf1)+1);
tt_int_op(detect_compression_method(buf2, len1), OP_EQ, UNKNOWN_METHOD);
} else {
tt_int_op(len1, OP_LT, strlen(buf1));
tt_int_op(detect_compression_method(buf2, len1), OP_EQ, method);
}
tt_assert(!tor_uncompress(&buf3, &len2, buf2, len1, method, 1, LOG_INFO));
tt_ptr_op(buf3, OP_NE, NULL);
tt_int_op(strlen(buf1) + 1, OP_EQ, len2);
tt_str_op(buf1, OP_EQ, buf3);
tt_int_op(buf3[len2], OP_EQ, 0);
/* Check whether we can uncompress concatenated, compressed strings. */
tor_free(buf3);
buf2 = tor_reallocarray(buf2, len1, 2);
memcpy(buf2+len1, buf2, len1);
tt_assert(!tor_uncompress(&buf3, &len2, buf2, len1*2, method, 1, LOG_INFO));
tt_int_op((strlen(buf1)+1)*2, OP_EQ, len2);
tt_mem_op(buf3, OP_EQ,
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ\0"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ\0",
(strlen(buf1)+1)*2);
tt_int_op(buf3[len2], OP_EQ, 0);
/* Check whether we can uncompress partial strings */
tor_free(buf1);
tor_free(buf2);
tor_free(buf3);
size_t b1len = 1<<10;
if (method == ZSTD_METHOD) {
// zstd needs a big input before it starts generating output that it
// can partially decompress.
b1len = 1<<18;
}
buf1 = tor_malloc(b1len);
crypto_rand(buf1, b1len);
tt_assert(!tor_compress(&buf2, &len1, buf1, b1len, method));
tt_int_op(len1, OP_GT, 16);
/* when we allow an incomplete output we should succeed.*/
tt_assert(!tor_uncompress(&buf3, &len2, buf2, len1-16,
method, 0, LOG_INFO));
tt_int_op(len2, OP_GT, 5);
tt_int_op(len2, OP_LE, len1);
tt_assert(fast_memeq(buf1, buf3, len2));
tt_int_op(buf3[len2], OP_EQ, 0);
/* when we demand a complete output from a real compression method, this
* must fail. */
tor_free(buf3);
if (method != NO_METHOD) {
tt_assert(tor_uncompress(&buf3, &len2, buf2, len1-16,
method, 1, LOG_INFO));
tt_ptr_op(buf3, OP_EQ, NULL);
}
done:
tor_free(buf1);
tor_free(buf2);
tor_free(buf3);
}
static void
test_util_compress_stream_impl(compress_method_t method,
compression_level_t level)
{
char *buf1=NULL, *buf2=NULL, *buf3=NULL, *cp1, *cp2;
const char *ccp2;
size_t len1, len2;
tor_compress_state_t *state = NULL;
state = tor_compress_new(1, method, level);
tt_assert(state);
cp1 = buf1 = tor_malloc(1024);
len1 = 1024;
ccp2 = "ABCDEFGHIJABCDEFGHIJ";
len2 = 21;
tt_int_op(tor_compress_process(state, &cp1, &len1, &ccp2, &len2, 0),
OP_EQ, TOR_COMPRESS_OK);
tt_int_op(0, OP_EQ, len2); /* Make sure we compressed it all. */
tt_assert(cp1 > buf1);
len2 = 0;
cp2 = cp1;
tt_int_op(tor_compress_process(state, &cp1, &len1, &ccp2, &len2, 1),
OP_EQ, TOR_COMPRESS_DONE);
tt_int_op(0, OP_EQ, len2);
if (method == NO_METHOD) {
tt_ptr_op(cp1, OP_EQ, cp2);
} else {
tt_assert(cp1 > cp2); /* Make sure we really added something. */
}
tt_int_op(tor_compress_state_size(state), OP_GT, 0);
tt_assert(!tor_uncompress(&buf3, &len2, buf1, 1024-len1,
method, 1, LOG_WARN));
/* Make sure it compressed right. */
tt_str_op(buf3, OP_EQ, "ABCDEFGHIJABCDEFGHIJ");
tt_int_op(21, OP_EQ, len2);
done:
if (state)
tor_compress_free(state);
tor_free(buf1);
tor_free(buf2);
tor_free(buf3);
}
/** Setup function for compression tests: handles x-zstd:nostatic
*/
static void *
compression_test_setup(const struct testcase_t *testcase)
{
tor_assert(testcase->setup_data);
tor_assert(testcase->setup_data != (void*)TT_SKIP);
const char *methodname = testcase->setup_data;
if (!strcmp(methodname, "x-zstd:nostatic")) {
methodname = "x-zstd";
tor_zstd_set_static_apis_disabled_for_testing(1);
}
return (void *)methodname;
}
/** Cleanup for compression tests: disables nostatic */
static int
compression_test_cleanup(const struct testcase_t *testcase, void *ptr)
{
(void)testcase;
(void)ptr;
tor_zstd_set_static_apis_disabled_for_testing(0);
return 1;
}
static const struct testcase_setup_t compress_setup = {
compression_test_setup, compression_test_cleanup
};
/** Run unit tests for compression functions */
static void
test_util_compress(void *arg)
{
const char *methodname = arg;
tt_assert(methodname);
compress_method_t method = compression_method_get_by_name(methodname);
tt_int_op(method, OP_NE, UNKNOWN_METHOD);
if (! tor_compress_supports_method(method)) {
tt_skip();
}
compression_level_t levels[] = {
BEST_COMPRESSION,
HIGH_COMPRESSION,
MEDIUM_COMPRESSION,
LOW_COMPRESSION
};
test_util_compress_impl(method);
for (unsigned l = 0; l < ARRAY_LENGTH(levels); ++l) {
compression_level_t level = levels[l];
test_util_compress_stream_impl(method, level);
}
done:
;
}
static void
test_util_decompress_concatenated_impl(compress_method_t method)
{
char input[4096];
char *c1 = NULL, *c2 = NULL, *c3 = NULL;
char *result = NULL;
size_t sz1, sz2, sz3, szr;
int r;
crypto_rand(input, sizeof(input));
/* Compress the input in two chunks. */
r = tor_compress(&c1, &sz1, input, 2048, method);
tt_int_op(r, OP_EQ, 0);
r = tor_compress(&c2, &sz2, input+2048, 2048, method);
tt_int_op(r, OP_EQ, 0);
/* concatenate the chunks. */
sz3 = sz1 + sz2;
c3 = tor_malloc(sz3);
memcpy(c3, c1, sz1);
memcpy(c3+sz1, c2, sz2);
/* decompress the concatenated result */
r = tor_uncompress(&result, &szr, c3, sz3, method, 0, LOG_WARN);
tt_int_op(r, OP_EQ, 0);
tt_int_op(szr, OP_EQ, sizeof(input));
tt_mem_op(result, OP_EQ, input, sizeof(input));
done:
tor_free(c1);
tor_free(c2);
tor_free(c3);
tor_free(result);
}
static void
test_util_decompress_concatenated(void *arg)
{
const char *methodname = arg;
tt_assert(methodname);
compress_method_t method = compression_method_get_by_name(methodname);
tt_int_op(method, OP_NE, UNKNOWN_METHOD);
if (! tor_compress_supports_method(method)) {
tt_skip();
}
test_util_decompress_concatenated_impl(method);
done:
;
}
static void
test_util_decompress_junk_impl(compress_method_t method)
{
char input[4096];
char *result = NULL, *result2 = NULL;
size_t szr, szr2, sz;
int r;
/* This shouldn't be a compressed string according to any method. */
strlcpy(input, "This shouldn't be a compressed string by any means.",
sizeof(input));
sz = strlen(input);
setup_capture_of_logs(LOG_WARN);
r = tor_uncompress(&result, &szr, input, sz, method, 0, LOG_WARN);
tt_int_op(r, OP_EQ, -1);
tt_ptr_op(result, OP_EQ, NULL);
expect_log_msg_containing("Error while uncompressing data: bad input?");
mock_clean_saved_logs();
/* Now try again, with a compressed object that starts out good and turns to
junk. */
crypto_rand(input, sizeof(input));
r = tor_compress(&result, &szr, input, sizeof(input), method);
tt_int_op(r, OP_EQ, 0);
crypto_rand(result+szr/2, szr-(szr/2)); // trash the 2nd half of the result
r = tor_uncompress(&result2, &szr2, result, szr, method, 0, LOG_WARN);
tt_int_op(r, OP_EQ, -1);
expect_log_msg_containing("Error while uncompressing data: bad input?");
done:
teardown_capture_of_logs();
tor_free(result);
tor_free(result2);
}
static void
test_util_decompress_junk(void *arg)
{
const char *methodname = arg;
tt_assert(methodname);
compress_method_t method = compression_method_get_by_name(methodname);
tt_int_op(method, OP_NE, UNKNOWN_METHOD);
if (! tor_compress_supports_method(method)) {
tt_skip();
}
test_util_decompress_junk_impl(method);
done:
;
}
/* mock replacement for tor_compress_is_compression_bomb that doesn't
* believe in compression bombs. */
static int
mock_is_never_compression_bomb(size_t in, size_t out)
{
(void)in;
(void) out;
return 0;
}
static void
test_util_decompress_dos_impl(compress_method_t method)
{
char *input;
char *result = NULL, *result2 = NULL;
size_t szr, szr2;
int r;
const size_t big = 1024*1024;
/* one megabyte of 0s. */
input = tor_malloc_zero(big);
/* Compress it into "result": it should fail. */
setup_full_capture_of_logs(LOG_WARN);
r = tor_compress(&result, &szr, input, big, method);
tt_int_op(r, OP_EQ, -1);
expect_log_msg_containing(
"other Tors would think this was a compression bomb");
teardown_capture_of_logs();
/* Try again, but this time suppress compression-bomb detection */
MOCK(tor_compress_is_compression_bomb, mock_is_never_compression_bomb);
r = tor_compress(&result, &szr, input, big, method);
UNMOCK(tor_compress_is_compression_bomb);
tt_int_op(r, OP_EQ, 0);
tt_ptr_op(result, OP_NE, NULL);
/* We should refuse to uncomrpess it again, since it looks like a
* compression bomb. */
setup_capture_of_logs(LOG_WARN);
r = tor_uncompress(&result2, &szr2, result, szr, method, 0, LOG_WARN);
tt_int_op(r, OP_EQ, -1);
expect_log_msg_containing("bomb; abandoning stream");
done:
teardown_capture_of_logs();
tor_free(input);
tor_free(result);
tor_free(result2);
}
static void
test_util_decompress_dos(void *arg)
{
const char *methodname = arg;
tt_assert(methodname);
compress_method_t method = compression_method_get_by_name(methodname);
tt_int_op(method, OP_NE, UNKNOWN_METHOD);
if (! tor_compress_supports_method(method)) {
tt_skip();
}
test_util_decompress_dos_impl(method);
done:
;
}
static void
test_util_gzip_compression_bomb(void *arg)
{
/* A 'compression bomb' is a very small object that uncompresses to a huge
* one. Most compression formats support them, but they can be a DOS vector.
* In Tor we try not to generate them, and we don't accept them.
*/
(void) arg;
size_t one_million = 1<<20;
char *one_mb = tor_malloc_zero(one_million);
char *result = NULL;
size_t result_len = 0;
tor_compress_state_t *state = NULL;
/* Make sure we can't produce a compression bomb */
setup_full_capture_of_logs(LOG_WARN);
tt_int_op(-1, OP_EQ, tor_compress(&result, &result_len,
one_mb, one_million,
ZLIB_METHOD));
expect_single_log_msg_containing(
"We compressed something and got an insanely high "
"compression factor; other Tors would think this "
"was a compression bomb.");
teardown_capture_of_logs();
/* Here's a compression bomb that we made manually. */
const char compression_bomb[1039] =
{ 0x78, 0xDA, 0xED, 0xC1, 0x31, 0x01, 0x00, 0x00, 0x00, 0xC2,
0xA0, 0xF5, 0x4F, 0x6D, 0x08, 0x5F, 0xA0 /* .... */ };
tt_int_op(-1, OP_EQ, tor_uncompress(&result, &result_len,
compression_bomb, 1039,
ZLIB_METHOD, 0, LOG_WARN));
/* Now try streaming that. */
state = tor_compress_new(0, ZLIB_METHOD, HIGH_COMPRESSION);
tor_compress_output_t r;
const char *inp = compression_bomb;
size_t inlen = 1039;
do {
char *outp = one_mb;
size_t outleft = 4096; /* small on purpose */
r = tor_compress_process(state, &outp, &outleft, &inp, &inlen, 0);
tt_int_op(inlen, OP_NE, 0);
} while (r == TOR_COMPRESS_BUFFER_FULL);
tt_int_op(r, OP_EQ, TOR_COMPRESS_ERROR);
done:
tor_free(one_mb);
tor_compress_free(state);
}
/** Run unit tests for mmap() wrapper functionality. */
static void
test_util_mmap(void *arg)
{
char *fname1 = tor_strdup(get_fname("mapped_1"));
char *fname2 = tor_strdup(get_fname("mapped_2"));
char *fname3 = tor_strdup(get_fname("mapped_3"));
const size_t buflen = 17000;
char *buf = tor_malloc(17000);
tor_mmap_t *mapping = NULL;
(void)arg;
crypto_rand(buf, buflen);
mapping = tor_mmap_file(fname1);
tt_ptr_op(mapping, OP_EQ, NULL);
write_str_to_file(fname1, "Short file.", 1);
mapping = tor_mmap_file(fname1);
tt_assert(mapping);
tt_int_op(mapping->size,OP_EQ, strlen("Short file."));
tt_str_op(mapping->data,OP_EQ, "Short file.");
#ifdef _WIN32
tt_int_op(0, OP_EQ, tor_munmap_file(mapping));
mapping = NULL;
tt_assert(unlink(fname1) == 0);
#else
/* make sure we can unlink. */
tt_assert(unlink(fname1) == 0);
tt_str_op(mapping->data,OP_EQ, "Short file.");
tt_int_op(0, OP_EQ, tor_munmap_file(mapping));
mapping = NULL;
#endif /* defined(_WIN32) */
/* Now a zero-length file. */
write_str_to_file(fname1, "", 1);
mapping = tor_mmap_file(fname1);
tt_ptr_op(mapping,OP_EQ, NULL);
tt_int_op(ERANGE,OP_EQ, errno);
unlink(fname1);
/* Make sure that we fail to map a no-longer-existent file. */
mapping = tor_mmap_file(fname1);
tt_ptr_op(mapping, OP_EQ, NULL);
/* Now try a big file that stretches across a few pages and isn't aligned */
write_bytes_to_file(fname2, buf, buflen, 1);
mapping = tor_mmap_file(fname2);
tt_assert(mapping);
tt_int_op(mapping->size,OP_EQ, buflen);
tt_mem_op(mapping->data,OP_EQ, buf, buflen);
tt_int_op(0, OP_EQ, tor_munmap_file(mapping));
mapping = NULL;
/* Now try a big aligned file. */
write_bytes_to_file(fname3, buf, 16384, 1);
mapping = tor_mmap_file(fname3);
tt_assert(mapping);
tt_int_op(mapping->size,OP_EQ, 16384);
tt_mem_op(mapping->data,OP_EQ, buf, 16384);
tt_int_op(0, OP_EQ, tor_munmap_file(mapping));
mapping = NULL;
done:
unlink(fname1);
unlink(fname2);
unlink(fname3);
tor_free(fname1);
tor_free(fname2);
tor_free(fname3);
tor_free(buf);
tor_munmap_file(mapping);
}
/** Run unit tests for escaping/unescaping data for use by controllers. */
static void
test_util_control_formats(void *arg)
{
char *out = NULL;
const char *inp =
"..This is a test\r\n.of the emergency \n..system.\r\n\rZ.\r\n";
size_t sz;
(void)arg;
sz = read_escaped_data(inp, strlen(inp), &out);
tt_str_op(out,OP_EQ,
".This is a test\nof the emergency \n.system.\n\rZ.\n");
tt_int_op(sz,OP_EQ, strlen(out));
done:
tor_free(out);
}
#define test_feq(value1,value2) do { \
double v1 = (value1), v2=(value2); \
double tf_diff = v1-v2; \
double tf_tolerance = ((v1+v2)/2.0)/1e8; \
if (tf_diff<0) tf_diff=-tf_diff; \
if (tf_tolerance<0) tf_tolerance=-tf_tolerance; \
if (tf_diff<tf_tolerance) { \
TT_BLATHER(("%s ~~ %s: %f ~~ %f",#value1,#value2,v1,v2)); \
} else { \
TT_FAIL(("%s ~~ %s: %f != %f",#value1,#value2,v1,v2)); \
} \
} while (0)
static void
test_util_sscanf(void *arg)
{
unsigned u1, u2, u3;
unsigned long ulng;
char s1[20], s2[10], s3[10], ch, *huge = NULL;
int r;
long lng1,lng2;
int int1, int2;
double d1,d2,d3,d4;
/* Simple tests (malformed patterns, literal matching, ...) */
(void)arg;
tt_int_op(-1,OP_EQ, tor_sscanf("123", "%i", &r)); /* %i is not supported */
tt_int_op(-1,OP_EQ,
tor_sscanf("wrong", "%5c", s1)); /* %c cannot have a number. */
tt_int_op(-1,OP_EQ, tor_sscanf("hello", "%s", s1)); /* %s needs a number. */
/* this will fail because we don't allow widths longer than 9999 */
{
huge = tor_malloc(1000000);
r = tor_sscanf("prettylongstring", "%99999s", huge);
tor_free(huge);
tt_int_op(-1,OP_EQ, r);
}
#if 0
/* GCC thinks these two are illegal. */
test_eq(-1, tor_sscanf("prettylongstring", "%0s", s1));
test_eq(0, tor_sscanf("prettylongstring", "%10s", NULL));
#endif
/* No '%'-strings: always "success" */
tt_int_op(0,OP_EQ, tor_sscanf("hello world", "hello world"));
tt_int_op(0,OP_EQ, tor_sscanf("hello world", "good bye"));
/* Excess data */
tt_int_op(0,OP_EQ,
tor_sscanf("hello 3", "%u", &u1)); /* have to match the start */
tt_int_op(0,OP_EQ, tor_sscanf(" 3 hello", "%u", &u1));
tt_int_op(0,OP_EQ,
tor_sscanf(" 3 hello", "%2u", &u1)); /* not even in this case */
tt_int_op(1,OP_EQ,
tor_sscanf("3 hello", "%u", &u1)); /* but trailing is alright */
/* Numbers (ie. %u) */
tt_int_op(0,OP_EQ,
tor_sscanf("hello world 3", "hello worlb %u", &u1)); /* d vs b */
tt_int_op(1,OP_EQ, tor_sscanf("12345", "%u", &u1));
tt_int_op(12345u,OP_EQ, u1);
tt_int_op(1,OP_EQ, tor_sscanf("12346 ", "%u", &u1));
tt_int_op(12346u,OP_EQ, u1);
tt_int_op(0,OP_EQ, tor_sscanf(" 12347", "%u", &u1));
tt_int_op(1,OP_EQ, tor_sscanf(" 12348", " %u", &u1));
tt_int_op(12348u,OP_EQ, u1);
tt_int_op(1,OP_EQ, tor_sscanf("0", "%u", &u1));
tt_int_op(0u,OP_EQ, u1);
tt_int_op(1,OP_EQ, tor_sscanf("0000", "%u", &u2));
tt_int_op(0u,OP_EQ, u2);
tt_int_op(0,OP_EQ, tor_sscanf("", "%u", &u1)); /* absent number */
tt_int_op(0,OP_EQ, tor_sscanf("A", "%u", &u1)); /* bogus number */
tt_int_op(0,OP_EQ, tor_sscanf("-1", "%u", &u1)); /* negative number */
/* Numbers with size (eg. %2u) */
tt_int_op(0,OP_EQ, tor_sscanf("-1", "%2u", &u1));
tt_int_op(2,OP_EQ, tor_sscanf("123456", "%2u%u", &u1, &u2));
tt_int_op(12u,OP_EQ, u1);
tt_int_op(3456u,OP_EQ, u2);
tt_int_op(1,OP_EQ, tor_sscanf("123456", "%8u", &u1));
tt_int_op(123456u,OP_EQ, u1);
tt_int_op(1,OP_EQ, tor_sscanf("123457 ", "%8u", &u1));
tt_int_op(123457u,OP_EQ, u1);
tt_int_op(0,OP_EQ, tor_sscanf(" 123456", "%8u", &u1));
tt_int_op(3,OP_EQ, tor_sscanf("!12:3:456", "!%2u:%2u:%3u", &u1, &u2, &u3));
tt_int_op(12u,OP_EQ, u1);
tt_int_op(3u,OP_EQ, u2);
tt_int_op(456u,OP_EQ, u3);
tt_int_op(3,OP_EQ,
tor_sscanf("67:8:099", "%2u:%2u:%3u", &u1, &u2, &u3)); /* 0s */
tt_int_op(67u,OP_EQ, u1);
tt_int_op(8u,OP_EQ, u2);
tt_int_op(99u,OP_EQ, u3);
/* %u does not match space.*/
tt_int_op(2,OP_EQ, tor_sscanf("12:3: 45", "%2u:%2u:%3u", &u1, &u2, &u3));
tt_int_op(12u,OP_EQ, u1);
tt_int_op(3u,OP_EQ, u2);
/* %u does not match negative numbers. */
tt_int_op(2,OP_EQ, tor_sscanf("67:8:-9", "%2u:%2u:%3u", &u1, &u2, &u3));
tt_int_op(67u,OP_EQ, u1);
tt_int_op(8u,OP_EQ, u2);
/* Arbitrary amounts of 0-padding are okay */
tt_int_op(3,OP_EQ, tor_sscanf("12:03:000000000000000099", "%2u:%2u:%u",
&u1, &u2, &u3));
tt_int_op(12u,OP_EQ, u1);
tt_int_op(3u,OP_EQ, u2);
tt_int_op(99u,OP_EQ, u3);
/* Hex (ie. %x) */
tt_int_op(3,OP_EQ,
tor_sscanf("1234 02aBcdEf ff", "%x %x %x", &u1, &u2, &u3));
tt_int_op(0x1234,OP_EQ, u1);
tt_int_op(0x2ABCDEF,OP_EQ, u2);
tt_int_op(0xFF,OP_EQ, u3);
/* Width works on %x */
tt_int_op(3,OP_EQ, tor_sscanf("f00dcafe444", "%4x%4x%u", &u1, &u2, &u3));
tt_int_op(0xf00d,OP_EQ, u1);
tt_int_op(0xcafe,OP_EQ, u2);
tt_int_op(444,OP_EQ, u3);
/* Literal '%' (ie. '%%') */
tt_int_op(1,OP_EQ, tor_sscanf("99% fresh", "%3u%% fresh", &u1));
tt_int_op(99,OP_EQ, u1);
tt_int_op(0,OP_EQ, tor_sscanf("99 fresh", "%% %3u %s", &u1, s1));
tt_int_op(1,OP_EQ, tor_sscanf("99 fresh", "%3u%% %s", &u1, s1));
tt_int_op(2,OP_EQ, tor_sscanf("99 fresh", "%3u %5s %%", &u1, s1));
tt_int_op(99,OP_EQ, u1);
tt_str_op(s1,OP_EQ, "fresh");
tt_int_op(1,OP_EQ, tor_sscanf("% boo", "%% %3s", s1));
tt_str_op("boo",OP_EQ, s1);
/* Strings (ie. %s) */
tt_int_op(2,OP_EQ, tor_sscanf("hello", "%3s%7s", s1, s2));
tt_str_op(s1,OP_EQ, "hel");
tt_str_op(s2,OP_EQ, "lo");
tt_int_op(2,OP_EQ, tor_sscanf("WD40", "%2s%u", s3, &u1)); /* %s%u */
tt_str_op(s3,OP_EQ, "WD");
tt_int_op(40,OP_EQ, u1);
tt_int_op(2,OP_EQ, tor_sscanf("WD40", "%3s%u", s3, &u1)); /* %s%u */
tt_str_op(s3,OP_EQ, "WD4");
tt_int_op(0,OP_EQ, u1);
tt_int_op(2,OP_EQ, tor_sscanf("76trombones", "%6u%9s", &u1, s1)); /* %u%s */
tt_int_op(76,OP_EQ, u1);
tt_str_op(s1,OP_EQ, "trombones");
{
huge = tor_malloc(1000);
r = tor_sscanf("prettylongstring", "%999s", huge);
tt_int_op(1,OP_EQ, r);
tt_str_op(huge,OP_EQ, "prettylongstring");
tor_free(huge);
}
/* %s doesn't eat spaces */
tt_int_op(2,OP_EQ, tor_sscanf("hello world", "%9s %9s", s1, s2));
tt_str_op(s1,OP_EQ, "hello");
tt_str_op(s2,OP_EQ, "world");
tt_int_op(2,OP_EQ, tor_sscanf("bye world?", "%9s %9s", s1, s2));
tt_str_op(s1,OP_EQ, "bye");
tt_str_op(s2,OP_EQ, "");
tt_int_op(3,OP_EQ,
tor_sscanf("hi", "%9s%9s%3s", s1, s2, s3)); /* %s can be empty. */
tt_str_op(s1,OP_EQ, "hi");
tt_str_op(s2,OP_EQ, "");
tt_str_op(s3,OP_EQ, "");
tt_int_op(3,OP_EQ, tor_sscanf("1.2.3", "%u.%u.%u%c", &u1, &u2, &u3, &ch));
tt_int_op(4,OP_EQ,
tor_sscanf("1.2.3 foobar", "%u.%u.%u%c", &u1, &u2, &u3, &ch));
tt_int_op(' ',OP_EQ, ch);
r = tor_sscanf("12345 -67890 -1", "%d %ld %d", &int1, &lng1, &int2);
tt_int_op(r,OP_EQ, 3);
tt_int_op(int1,OP_EQ, 12345);
tt_int_op(lng1,OP_EQ, -67890);
tt_int_op(int2,OP_EQ, -1);
#if SIZEOF_INT == 4
/* %u */
/* UINT32_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("4294967295", "%u", &u1));
tt_int_op(4294967295U,OP_EQ, u1);
/* But UINT32_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("4294967296", "%u", &u1));
/* but parsing only 9... */
tt_int_op(1,OP_EQ, tor_sscanf("4294967296", "%9u", &u1));
tt_int_op(429496729U,OP_EQ, u1);
/* %x */
/* UINT32_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("FFFFFFFF", "%x", &u1));
tt_int_op(0xFFFFFFFF,OP_EQ, u1);
/* But UINT32_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("100000000", "%x", &u1));
/* %d */
/* INT32_MIN and INT32_MAX should work */
r = tor_sscanf("-2147483648. 2147483647.", "%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 2);
tt_int_op(int1,OP_EQ, -2147483647 - 1);
tt_int_op(int2,OP_EQ, 2147483647);
/* But INT32_MIN - 1 and INT32_MAX + 1 shouldn't work */
r = tor_sscanf("-2147483649.", "%d.", &int1);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("2147483648.", "%d.", &int1);
tt_int_op(r,OP_EQ, 0);
/* and the first failure stops further processing */
r = tor_sscanf("-2147483648. 2147483648.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 1);
r = tor_sscanf("-2147483649. 2147483647.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("2147483648. -2147483649.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 0);
#elif SIZEOF_INT == 8
/* %u */
/* UINT64_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("18446744073709551615", "%u", &u1));
tt_int_op(18446744073709551615U,OP_EQ, u1);
/* But UINT64_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("18446744073709551616", "%u", &u1));
/* but parsing only 19... */
tt_int_op(1,OP_EQ, tor_sscanf("18446744073709551616", "%19u", &u1));
tt_int_op(1844674407370955161U,OP_EQ, u1);
/* %x */
/* UINT64_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("FFFFFFFFFFFFFFFF", "%x", &u1));
tt_int_op(0xFFFFFFFFFFFFFFFF,OP_EQ, u1);
/* But UINT64_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("10000000000000000", "%x", &u1));
/* %d */
/* INT64_MIN and INT64_MAX should work */
r = tor_sscanf("-9223372036854775808. 9223372036854775807.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 2);
tt_int_op(int1,OP_EQ, -9223372036854775807 - 1);
tt_int_op(int2,OP_EQ, 9223372036854775807);
/* But INT64_MIN - 1 and INT64_MAX + 1 shouldn't work */
r = tor_sscanf("-9223372036854775809.", "%d.", &int1);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("9223372036854775808.", "%d.", &int1);
tt_int_op(r,OP_EQ, 0);
/* and the first failure stops further processing */
r = tor_sscanf("-9223372036854775808. 9223372036854775808.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 1);
r = tor_sscanf("-9223372036854775809. 9223372036854775807.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("9223372036854775808. -9223372036854775809.",
"%d. %d.", &int1, &int2);
tt_int_op(r,OP_EQ, 0);
#endif /* SIZEOF_INT == 4 || ... */
#if SIZEOF_LONG == 4
/* %lu */
/* UINT32_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("4294967295", "%lu", &ulng));
tt_int_op(4294967295UL,OP_EQ, ulng);
/* But UINT32_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("4294967296", "%lu", &ulng));
/* but parsing only 9... */
tt_int_op(1,OP_EQ, tor_sscanf("4294967296", "%9lu", &ulng));
tt_int_op(429496729UL,OP_EQ, ulng);
/* %lx */
/* UINT32_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("FFFFFFFF", "%lx", &ulng));
tt_int_op(0xFFFFFFFFUL,OP_EQ, ulng);
/* But UINT32_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("100000000", "%lx", &ulng));
/* %ld */
/* INT32_MIN and INT32_MAX should work */
r = tor_sscanf("-2147483648. 2147483647.", "%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 2);
tt_int_op(lng1,OP_EQ, -2147483647L - 1L);
tt_int_op(lng2,OP_EQ, 2147483647L);
/* But INT32_MIN - 1 and INT32_MAX + 1 shouldn't work */
r = tor_sscanf("-2147483649.", "%ld.", &lng1);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("2147483648.", "%ld.", &lng1);
tt_int_op(r,OP_EQ, 0);
/* and the first failure stops further processing */
r = tor_sscanf("-2147483648. 2147483648.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 1);
r = tor_sscanf("-2147483649. 2147483647.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("2147483648. -2147483649.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 0);
#elif SIZEOF_LONG == 8
/* %lu */
/* UINT64_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("18446744073709551615", "%lu", &ulng));
tt_int_op(18446744073709551615UL,OP_EQ, ulng);
/* But UINT64_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("18446744073709551616", "%lu", &ulng));
/* but parsing only 19... */
tt_int_op(1,OP_EQ, tor_sscanf("18446744073709551616", "%19lu", &ulng));
tt_int_op(1844674407370955161UL,OP_EQ, ulng);
/* %lx */
/* UINT64_MAX should work */
tt_int_op(1,OP_EQ, tor_sscanf("FFFFFFFFFFFFFFFF", "%lx", &ulng));
tt_int_op(0xFFFFFFFFFFFFFFFFUL,OP_EQ, ulng);
/* But UINT64_MAX + 1 shouldn't work */
tt_int_op(0,OP_EQ, tor_sscanf("10000000000000000", "%lx", &ulng));
/* %ld */
/* INT64_MIN and INT64_MAX should work */
r = tor_sscanf("-9223372036854775808. 9223372036854775807.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 2);
tt_int_op(lng1,OP_EQ, -9223372036854775807L - 1L);
tt_int_op(lng2,OP_EQ, 9223372036854775807L);
/* But INT64_MIN - 1 and INT64_MAX + 1 shouldn't work */
r = tor_sscanf("-9223372036854775809.", "%ld.", &lng1);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("9223372036854775808.", "%ld.", &lng1);
tt_int_op(r,OP_EQ, 0);
/* and the first failure stops further processing */
r = tor_sscanf("-9223372036854775808. 9223372036854775808.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 1);
r = tor_sscanf("-9223372036854775809. 9223372036854775807.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 0);
r = tor_sscanf("9223372036854775808. -9223372036854775809.",
"%ld. %ld.", &lng1, &lng2);
tt_int_op(r,OP_EQ, 0);
#endif /* SIZEOF_LONG == 4 || ... */
r = tor_sscanf("123.456 .000007 -900123123.2000787 00003.2",
"%lf %lf %lf %lf", &d1,&d2,&d3,&d4);
tt_int_op(r,OP_EQ, 4);
test_feq(d1, 123.456);
test_feq(d2, .000007);
test_feq(d3, -900123123.2000787);
test_feq(d4, 3.2);
done:
tor_free(huge);
}
#define tt_char_op(a,op,b) tt_assert_op_type(a,op,b,char,"%c")
#define tt_ci_char_op(a,op,b) \
tt_char_op(TOR_TOLOWER((int)a),op,TOR_TOLOWER((int)b))
#ifndef HAVE_STRNLEN
static size_t
strnlen(const char *s, size_t len)
{
const char *p = memchr(s, 0, len);
if (!p)
return len;
return p - s;
}
#endif /* !defined(HAVE_STRNLEN) */
static void
test_util_format_time_interval(void *arg)
{
/* use the same sized buffer and integers as tor uses */
#define DBUF_SIZE 64
char dbuf[DBUF_SIZE];
#define T_ "%ld"
long sec, min, hour, day;
/* we don't care about the exact spelling of the
* second(s), minute(s), hour(s), day(s) labels */
#define LABEL_SIZE 21
#define L_ "%20s"
char label_s[LABEL_SIZE];
char label_m[LABEL_SIZE];
char label_h[LABEL_SIZE];
char label_d[LABEL_SIZE];
#define TL_ T_ " " L_
int r;
(void)arg;
/* In these tests, we're not picky about
* spelling or abbreviations */
/* seconds: 0, 1, 9, 10, 59 */
/* ignore exact spelling of "second(s)"*/
format_time_interval(dbuf, sizeof(dbuf), 0);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 0);
format_time_interval(dbuf, sizeof(dbuf), 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 1);
format_time_interval(dbuf, sizeof(dbuf), 10);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 10);
format_time_interval(dbuf, sizeof(dbuf), 59);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 59);
/* negative seconds are reported as their absolute value */
format_time_interval(dbuf, sizeof(dbuf), -4);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 4);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
format_time_interval(dbuf, sizeof(dbuf), -32);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &sec, label_s);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(sec,OP_EQ, 32);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
/* minutes: 1:00, 1:01, 1:59, 2:00, 2:01, 59:59 */
/* ignore trailing "0 second(s)", if present */
format_time_interval(dbuf, sizeof(dbuf), 60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &min, label_m);
tt_int_op(r,OP_EQ, 2);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(min,OP_EQ, 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
/* ignore exact spelling of "minute(s)," and "second(s)" */
format_time_interval(dbuf, sizeof(dbuf), 60 + 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 1);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 1);
tt_ci_char_op(label_s[0],OP_EQ, 's');
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
format_time_interval(dbuf, sizeof(dbuf), 60*2 - 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 1);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 59);
tt_ci_char_op(label_s[0],OP_EQ, 's');
/* ignore trailing "0 second(s)", if present */
format_time_interval(dbuf, sizeof(dbuf), 60*2);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &min, label_m);
tt_int_op(r,OP_EQ, 2);
tt_int_op(min,OP_EQ, 2);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* ignore exact spelling of "minute(s)," and "second(s)" */
format_time_interval(dbuf, sizeof(dbuf), 60*2 + 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 2);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 1);
tt_ci_char_op(label_s[0],OP_EQ, 's');
format_time_interval(dbuf, sizeof(dbuf), 60*60 - 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 59);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 59);
tt_ci_char_op(label_s[0],OP_EQ, 's');
/* negative minutes are reported as their absolute value */
/* ignore trailing "0 second(s)", if present */
format_time_interval(dbuf, sizeof(dbuf), -3*60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &min, label_m);
tt_int_op(r,OP_EQ, 2);
tt_int_op(min,OP_EQ, 3);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* ignore exact spelling of "minute(s)," and "second(s)" */
format_time_interval(dbuf, sizeof(dbuf), -96);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 1);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 36);
tt_ci_char_op(label_s[0],OP_EQ, 's');
format_time_interval(dbuf, sizeof(dbuf), -2815);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&min, label_m, &sec, label_s);
tt_int_op(r,OP_EQ, 4);
tt_int_op(min,OP_EQ, 46);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
tt_int_op(sec,OP_EQ, 55);
tt_ci_char_op(label_s[0],OP_EQ, 's');
/* hours: 1:00, 1:00:01, 1:01, 23:59, 23:59:59 */
/* always ignore trailing seconds, if present */
/* ignore trailing "0 minute(s)" etc., if present */
format_time_interval(dbuf, sizeof(dbuf), 60*60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &hour, label_h);
tt_int_op(r,OP_EQ, 2);
tt_int_op(hour,OP_EQ, 1);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
format_time_interval(dbuf, sizeof(dbuf), 60*60 + 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &hour, label_h);
tt_int_op(r,OP_EQ, 2);
tt_int_op(hour,OP_EQ, 1);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
/* ignore exact spelling of "hour(s)," etc. */
format_time_interval(dbuf, sizeof(dbuf), 60*60 + 60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 4);
tt_int_op(hour,OP_EQ, 1);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 1);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
format_time_interval(dbuf, sizeof(dbuf), 24*60*60 - 60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 4);
tt_int_op(hour,OP_EQ, 23);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 59);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
format_time_interval(dbuf, sizeof(dbuf), 24*60*60 - 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 4);
tt_int_op(hour,OP_EQ, 23);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 59);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* negative hours are reported as their absolute value */
/* ignore exact spelling of "hour(s)," etc., if present */
format_time_interval(dbuf, sizeof(dbuf), -2*60*60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &hour, label_h);
tt_int_op(r,OP_EQ, 2);
tt_int_op(hour,OP_EQ, 2);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
format_time_interval(dbuf, sizeof(dbuf), -75804);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 4);
tt_int_op(hour,OP_EQ, 21);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 3);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* days: 1:00, 1:00:00:01, 1:00:01, 1:01 */
/* always ignore trailing seconds, if present */
/* ignore trailing "0 hours(s)" etc., if present */
format_time_interval(dbuf, sizeof(dbuf), 24*60*60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &day, label_d);
tt_int_op(r,OP_EQ, 2);
tt_int_op(day,OP_EQ, 1);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
format_time_interval(dbuf, sizeof(dbuf), 24*60*60 + 1);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_, &day, label_d);
tt_int_op(r,OP_EQ, 2);
tt_int_op(day,OP_EQ, 1);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
/* ignore exact spelling of "days(s)," etc. */
format_time_interval(dbuf, sizeof(dbuf), 24*60*60 + 60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
if (r == -1) {
/* ignore 0 hours(s), if present */
r = tor_sscanf(dbuf, TL_ " " TL_,
&day, label_d, &min, label_m);
}
tt_assert(r == 4 || r == 6);
tt_int_op(day,OP_EQ, 1);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
if (r == 6) {
tt_int_op(hour,OP_EQ, 0);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
}
tt_int_op(min,OP_EQ, 1);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* ignore trailing "0 minutes(s)" etc., if present */
format_time_interval(dbuf, sizeof(dbuf), 24*60*60 + 60*60);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_,
&day, label_d, &hour, label_h);
tt_int_op(r,OP_EQ, 4);
tt_int_op(day,OP_EQ, 1);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 1);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
/* negative days are reported as their absolute value */
format_time_interval(dbuf, sizeof(dbuf), -21936184);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 253);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 21);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 23);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* periods > 1 year are reported in days (warn?) */
/* ignore exact spelling of "days(s)," etc., if present */
format_time_interval(dbuf, sizeof(dbuf), 758635154);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 8780);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 11);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 59);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* negative periods > 1 year are reported in days (warn?) */
format_time_interval(dbuf, sizeof(dbuf), -1427014922);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 16516);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 9);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 2);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
#if SIZEOF_LONG == 4 || SIZEOF_LONG == 8
/* We can try INT32_MIN/MAX */
/* Always ignore second(s) */
/* INT32_MAX */
format_time_interval(dbuf, sizeof(dbuf), 2147483647);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 24855);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 3);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 14);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* and 7 seconds - ignored */
/* INT32_MIN: check that we get the absolute value of interval,
* which doesn't actually fit in int32_t.
* We expect INT32_MAX or INT32_MAX + 1 with 64 bit longs */
format_time_interval(dbuf, sizeof(dbuf), -2147483647L - 1L);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 24855);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 3);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 14);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* and 7 or 8 seconds - ignored */
#endif /* SIZEOF_LONG == 4 || SIZEOF_LONG == 8 */
#if SIZEOF_LONG == 8
/* We can try INT64_MIN/MAX */
/* Always ignore second(s) */
/* INT64_MAX */
format_time_interval(dbuf, sizeof(dbuf), 9223372036854775807L);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 106751991167300L);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 15);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 30);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* and 7 seconds - ignored */
/* INT64_MIN: check that we get the absolute value of interval,
* which doesn't actually fit in int64_t.
* We expect INT64_MAX */
format_time_interval(dbuf, sizeof(dbuf),
-9223372036854775807L - 1L);
tt_int_op(strnlen(dbuf, DBUF_SIZE),OP_LE, DBUF_SIZE - 1);
r = tor_sscanf(dbuf, TL_ " " TL_ " " TL_,
&day, label_d, &hour, label_h, &min, label_m);
tt_int_op(r,OP_EQ, 6);
tt_int_op(day,OP_EQ, 106751991167300L);
tt_ci_char_op(label_d[0],OP_EQ, 'd');
tt_int_op(hour,OP_EQ, 15);
tt_ci_char_op(label_h[0],OP_EQ, 'h');
tt_int_op(min,OP_EQ, 30);
tt_ci_char_op(label_m[0],OP_EQ, 'm');
/* and 7 or 8 seconds - ignored */
#endif /* SIZEOF_LONG == 8 */
done:
;
}
#undef tt_char_op
#undef tt_ci_char_op
#undef DBUF_SIZE
#undef T_
#undef LABEL_SIZE
#undef L_
#undef TL_
static void
test_util_path_is_relative(void *arg)
{
/* OS-independent tests */
(void)arg;
tt_int_op(1,OP_EQ, path_is_relative(""));
tt_int_op(1,OP_EQ, path_is_relative("dir"));
tt_int_op(1,OP_EQ, path_is_relative("dir/"));
tt_int_op(1,OP_EQ, path_is_relative("./dir"));
tt_int_op(1,OP_EQ, path_is_relative("../dir"));
tt_int_op(0,OP_EQ, path_is_relative("/"));
tt_int_op(0,OP_EQ, path_is_relative("/dir"));
tt_int_op(0,OP_EQ, path_is_relative("/dir/"));
/* Windows */
#ifdef _WIN32
/* I don't have Windows so I can't test this, hence the "#ifdef
0". These are tests that look useful, so please try to get them
running and uncomment if it all works as it should */
tt_int_op(1,OP_EQ, path_is_relative("dir"));
tt_int_op(1,OP_EQ, path_is_relative("dir\\"));
tt_int_op(1,OP_EQ, path_is_relative("dir\\a:"));
tt_int_op(1,OP_EQ, path_is_relative("dir\\a:\\"));
tt_int_op(1,OP_EQ, path_is_relative("http:\\dir"));
tt_int_op(0,OP_EQ, path_is_relative("\\dir"));
tt_int_op(0,OP_EQ, path_is_relative("a:\\dir"));
tt_int_op(0,OP_EQ, path_is_relative("z:\\dir"));
#endif /* defined(_WIN32) */
done:
;
}
/** Run unittests for memory area allocator */
static void
test_util_memarea(void *arg)
{
memarea_t *area = memarea_new();
char *p1, *p2, *p3, *p1_orig;
void *malloced_ptr = NULL;
int i;
#ifdef DISABLE_MEMORY_SENTINELS
/* If memory sentinels are disabled, this whole module is just an alias for
malloc(), which is free to lay out memory most any way it wants. */
if (1)
tt_skip();
#endif /* defined(DISABLE_MEMORY_SENTINELS) */
(void)arg;
tt_assert(area);
p1_orig = p1 = memarea_alloc(area,64);
p2 = memarea_alloc_zero(area,52);
p3 = memarea_alloc(area,11);
tt_assert(memarea_owns_ptr(area, p1));
tt_assert(memarea_owns_ptr(area, p2));
tt_assert(memarea_owns_ptr(area, p3));
/* Make sure we left enough space. */
tt_assert(p1+64 <= p2);
tt_assert(p2+52 <= p3);
/* Make sure we aligned. */
tt_int_op(((uintptr_t)p1) % sizeof(void*),OP_EQ, 0);
tt_int_op(((uintptr_t)p2) % sizeof(void*),OP_EQ, 0);
tt_int_op(((uintptr_t)p3) % sizeof(void*),OP_EQ, 0);
tt_assert(!memarea_owns_ptr(area, p3+8192));
tt_assert(!memarea_owns_ptr(area, p3+30));
tt_assert(tor_mem_is_zero(p2, 52));
/* Make sure we don't overalign. */
p1 = memarea_alloc(area, 1);
p2 = memarea_alloc(area, 1);
tt_ptr_op(p1+sizeof(void*),OP_EQ, p2);
{
malloced_ptr = tor_malloc(64);
tt_assert(!memarea_owns_ptr(area, malloced_ptr));
tor_free(malloced_ptr);
}
/* memarea_memdup */
{
malloced_ptr = tor_malloc(64);
crypto_rand((char*)malloced_ptr, 64);
p1 = memarea_memdup(area, malloced_ptr, 64);
tt_assert(p1 != malloced_ptr);
tt_mem_op(p1,OP_EQ, malloced_ptr, 64);
tor_free(malloced_ptr);
}
/* memarea_strdup. */
p1 = memarea_strdup(area,"");
p2 = memarea_strdup(area, "abcd");
tt_assert(p1);
tt_assert(p2);
tt_str_op(p1,OP_EQ, "");
tt_str_op(p2,OP_EQ, "abcd");
/* memarea_strndup. */
{
const char *s = "Ad ogni porta batte la morte e grida: il nome!";
/* (From Turandot, act 3.) */
size_t len = strlen(s);
p1 = memarea_strndup(area, s, 1000);
p2 = memarea_strndup(area, s, 10);
tt_str_op(p1,OP_EQ, s);
tt_assert(p2 >= p1 + len + 1);
tt_mem_op(s,OP_EQ, p2, 10);
tt_int_op(p2[10],OP_EQ, '\0');
p3 = memarea_strndup(area, s, len);
tt_str_op(p3,OP_EQ, s);
p3 = memarea_strndup(area, s, len-1);
tt_mem_op(s,OP_EQ, p3, len-1);
tt_int_op(p3[len-1],OP_EQ, '\0');
}
memarea_clear(area);
p1 = memarea_alloc(area, 1);
tt_ptr_op(p1,OP_EQ, p1_orig);
memarea_clear(area);
size_t total = 0, initial_allocation, allocation2, dummy;
memarea_get_stats(area, &initial_allocation, &dummy);
/* Check for running over an area's size. */
for (i = 0; i < 4096; ++i) {
size_t n = crypto_rand_int(6);
p1 = memarea_alloc(area, n);
total += n;
tt_assert(memarea_owns_ptr(area, p1));
}
memarea_assert_ok(area);
memarea_get_stats(area, &allocation2, &dummy);
/* Make sure we can allocate a too-big object. */
p1 = memarea_alloc_zero(area, 9000);
p2 = memarea_alloc_zero(area, 16);
total += 9000;
total += 16;
tt_assert(memarea_owns_ptr(area, p1));
tt_assert(memarea_owns_ptr(area, p2));
/* Now test stats... */
size_t allocated = 0, used = 0;
memarea_get_stats(area, &allocated, &used);
tt_int_op(used, OP_LE, allocated);
tt_int_op(used, OP_GE, total); /* not EQ, because of alignment and headers*/
tt_int_op(allocated, OP_GT, allocation2);
tt_int_op(allocation2, OP_GT, initial_allocation);
memarea_clear(area);
memarea_get_stats(area, &allocated, &used);
tt_int_op(used, OP_LT, 128); /* Not 0, because of header */
tt_int_op(allocated, OP_EQ, initial_allocation);
done:
memarea_drop_all(area);
tor_free(malloced_ptr);
}
/** Run unit tests for utility functions to get file names relative to
* the data directory. */
static void
test_util_datadir(void *arg)
{
char buf[1024];
char *f = NULL;
char *temp_dir = NULL;
(void)arg;
temp_dir = get_datadir_fname(NULL);
f = get_datadir_fname("state");
tor_snprintf(buf, sizeof(buf), "%s"PATH_SEPARATOR"state", temp_dir);
tt_str_op(f,OP_EQ, buf);
tor_free(f);
f = get_datadir_fname2("cache", "thingy");
tor_snprintf(buf, sizeof(buf),
"%s"PATH_SEPARATOR"cache"PATH_SEPARATOR"thingy", temp_dir);
tt_str_op(f,OP_EQ, buf);
tor_free(f);
f = get_datadir_fname2_suffix("cache", "thingy", ".foo");
tor_snprintf(buf, sizeof(buf),
"%s"PATH_SEPARATOR"cache"PATH_SEPARATOR"thingy.foo", temp_dir);
tt_str_op(f,OP_EQ, buf);
tor_free(f);
f = get_datadir_fname_suffix("cache", ".foo");
tor_snprintf(buf, sizeof(buf), "%s"PATH_SEPARATOR"cache.foo",
temp_dir);
tt_str_op(f,OP_EQ, buf);
done:
tor_free(f);
tor_free(temp_dir);
}
static void
test_util_strtok(void *arg)
{
char buf[128];
char buf2[128];
int i;
char *cp1, *cp2;
(void)arg;
for (i = 0; i < 3; i++) {
const char *pad1="", *pad2="";
switch (i) {
case 0:
break;
case 1:
pad1 = " ";
pad2 = "!";
break;
case 2:
pad1 = " ";
pad2 = ";!";
break;
}
tor_snprintf(buf, sizeof(buf), "%s", pad1);
tor_snprintf(buf2, sizeof(buf2), "%s", pad2);
tt_ptr_op(tor_strtok_r_impl(buf, " ", &cp1), OP_EQ, NULL);
tt_ptr_op(tor_strtok_r_impl(buf2, ".!..;!", &cp2), OP_EQ, NULL);
tor_snprintf(buf, sizeof(buf),
"%sGraved on the dark in gestures of descent%s", pad1, pad1);
tor_snprintf(buf2, sizeof(buf2),
"%sthey.seemed;;their!.own;most.perfect;monument%s",pad2,pad2);
/* -- "Year's End", Richard Wilbur */
tt_str_op("Graved",OP_EQ, tor_strtok_r_impl(buf, " ", &cp1));
tt_str_op("they",OP_EQ, tor_strtok_r_impl(buf2, ".!..;!", &cp2));
#define S1() tor_strtok_r_impl(NULL, " ", &cp1)
#define S2() tor_strtok_r_impl(NULL, ".!..;!", &cp2)
tt_str_op("on",OP_EQ, S1());
tt_str_op("the",OP_EQ, S1());
tt_str_op("dark",OP_EQ, S1());
tt_str_op("seemed",OP_EQ, S2());
tt_str_op("their",OP_EQ, S2());
tt_str_op("own",OP_EQ, S2());
tt_str_op("in",OP_EQ, S1());
tt_str_op("gestures",OP_EQ, S1());
tt_str_op("of",OP_EQ, S1());
tt_str_op("most",OP_EQ, S2());
tt_str_op("perfect",OP_EQ, S2());
tt_str_op("descent",OP_EQ, S1());
tt_str_op("monument",OP_EQ, S2());
tt_ptr_op(NULL,OP_EQ, S1());
tt_ptr_op(NULL,OP_EQ, S2());
}
buf[0] = 0;
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(buf, " ", &cp1));
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(buf, "!", &cp1));
strlcpy(buf, "Howdy!", sizeof(buf));
tt_str_op("Howdy",OP_EQ, tor_strtok_r_impl(buf, "!", &cp1));
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(NULL, "!", &cp1));
strlcpy(buf, " ", sizeof(buf));
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(buf, " ", &cp1));
strlcpy(buf, " ", sizeof(buf));
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(buf, " ", &cp1));
strlcpy(buf, "something ", sizeof(buf));
tt_str_op("something",OP_EQ, tor_strtok_r_impl(buf, " ", &cp1));
tt_ptr_op(NULL,OP_EQ, tor_strtok_r_impl(NULL, ";", &cp1));
done:
;
}
static void
test_util_find_str_at_start_of_line(void *ptr)
{
const char *long_string =
"howdy world. how are you? i hope it's fine.\n"
"hello kitty\n"
"third line";
char *line2 = strchr(long_string,'\n')+1;
char *line3 = strchr(line2,'\n')+1;
const char *short_string = "hello kitty\n"
"second line\n";
char *short_line2 = strchr(short_string,'\n')+1;
(void)ptr;
tt_ptr_op(long_string,OP_EQ, find_str_at_start_of_line(long_string, ""));
tt_ptr_op(NULL,OP_EQ, find_str_at_start_of_line(short_string, "nonsense"));
tt_ptr_op(NULL,OP_EQ, find_str_at_start_of_line(long_string, "nonsense"));
tt_ptr_op(NULL,OP_EQ, find_str_at_start_of_line(long_string, "\n"));
tt_ptr_op(NULL,OP_EQ, find_str_at_start_of_line(long_string, "how "));
tt_ptr_op(NULL,OP_EQ, find_str_at_start_of_line(long_string, "kitty"));
tt_ptr_op(long_string,OP_EQ, find_str_at_start_of_line(long_string, "h"));
tt_ptr_op(long_string,OP_EQ, find_str_at_start_of_line(long_string, "how"));
tt_ptr_op(line2,OP_EQ, find_str_at_start_of_line(long_string, "he"));
tt_ptr_op(line2,OP_EQ, find_str_at_start_of_line(long_string, "hell"));
tt_ptr_op(line2,OP_EQ, find_str_at_start_of_line(long_string, "hello k"));
tt_ptr_op(line2,OP_EQ,
find_str_at_start_of_line(long_string, "hello kitty\n"));
tt_ptr_op(line2,OP_EQ,
find_str_at_start_of_line(long_string, "hello kitty\nt"));
tt_ptr_op(line3,OP_EQ, find_str_at_start_of_line(long_string, "third"));
tt_ptr_op(line3,OP_EQ, find_str_at_start_of_line(long_string, "third line"));
tt_ptr_op(NULL, OP_EQ,
find_str_at_start_of_line(long_string, "third line\n"));
tt_ptr_op(short_line2,OP_EQ, find_str_at_start_of_line(short_string,
"second line\n"));
done:
;
}
static void
test_util_string_is_C_identifier(void *ptr)
{
(void)ptr;
tt_int_op(1,OP_EQ, string_is_C_identifier("string_is_C_identifier"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_string_is_C_identifier"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_"));
tt_int_op(1,OP_EQ, string_is_C_identifier("i"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_____"));
tt_int_op(1,OP_EQ, string_is_C_identifier("__00__"));
tt_int_op(1,OP_EQ, string_is_C_identifier("__init__"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_0"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_0string_is_C_identifier"));
tt_int_op(1,OP_EQ, string_is_C_identifier("_0"));
tt_int_op(0,OP_EQ, string_is_C_identifier("0_string_is_C_identifier"));
tt_int_op(0,OP_EQ, string_is_C_identifier("0"));
tt_int_op(0,OP_EQ, string_is_C_identifier(""));
tt_int_op(0,OP_EQ, string_is_C_identifier(";"));
tt_int_op(0,OP_EQ, string_is_C_identifier("i;"));
tt_int_op(0,OP_EQ, string_is_C_identifier("_;"));
tt_int_op(0,OP_EQ, string_is_C_identifier("í"));
tt_int_op(0,OP_EQ, string_is_C_identifier("ñ"));
done:
;
}
static void
test_util_asprintf(void *ptr)
{
#define LOREMIPSUM \
"Lorem ipsum dolor sit amet, consectetur adipisicing elit"
char *cp=NULL, *cp2=NULL;
int r;
(void)ptr;
/* simple string */
r = tor_asprintf(&cp, "simple string 100%% safe");
tt_assert(cp);
tt_str_op("simple string 100% safe",OP_EQ, cp);
tt_int_op(strlen(cp),OP_EQ, r);
tor_free(cp);
/* empty string */
r = tor_asprintf(&cp, "%s", "");
tt_assert(cp);
tt_str_op("",OP_EQ, cp);
tt_int_op(strlen(cp),OP_EQ, r);
tor_free(cp);
/* numbers (%i) */
r = tor_asprintf(&cp, "I like numbers-%2i, %i, etc.", -1, 2);
tt_assert(cp);
tt_str_op("I like numbers--1, 2, etc.",OP_EQ, cp);
tt_int_op(strlen(cp),OP_EQ, r);
/* don't free cp; next test uses it. */
/* numbers (%d) */
r = tor_asprintf(&cp2, "First=%d, Second=%d", 101, 202);
tt_assert(cp2);
tt_int_op(strlen(cp2),OP_EQ, r);
tt_str_op("First=101, Second=202",OP_EQ, cp2);
tt_assert(cp != cp2);
tor_free(cp);
tor_free(cp2);
/* Glass-box test: a string exactly 128 characters long. */
r = tor_asprintf(&cp, "Lorem1: %sLorem2: %s", LOREMIPSUM, LOREMIPSUM);
tt_assert(cp);
tt_int_op(128,OP_EQ, r);
tt_int_op(cp[128], OP_EQ, '\0');
tt_str_op("Lorem1: "LOREMIPSUM"Lorem2: "LOREMIPSUM,OP_EQ, cp);
tor_free(cp);
/* String longer than 128 characters */
r = tor_asprintf(&cp, "1: %s 2: %s 3: %s",
LOREMIPSUM, LOREMIPSUM, LOREMIPSUM);
tt_assert(cp);
tt_int_op(strlen(cp),OP_EQ, r);
tt_str_op("1: "LOREMIPSUM" 2: "LOREMIPSUM" 3: "LOREMIPSUM,OP_EQ, cp);
done:
tor_free(cp);
tor_free(cp2);
}
static void
test_util_listdir(void *ptr)
{
smartlist_t *dir_contents = NULL;
char *fname1=NULL, *fname2=NULL, *fname3=NULL, *dir1=NULL, *dirname=NULL;
int r;
(void)ptr;
fname1 = tor_strdup(get_fname("hopscotch"));
fname2 = tor_strdup(get_fname("mumblety-peg"));
fname3 = tor_strdup(get_fname(".hidden-file"));
dir1 = tor_strdup(get_fname("some-directory"));
dirname = tor_strdup(get_fname(NULL));
tt_int_op(0,OP_EQ, write_str_to_file(fname1, "X\n", 0));
tt_int_op(0,OP_EQ, write_str_to_file(fname2, "Y\n", 0));
tt_int_op(0,OP_EQ, write_str_to_file(fname3, "Z\n", 0));
#ifdef _WIN32
r = mkdir(dir1);
#else
r = mkdir(dir1, 0700);
#endif
if (r) {
fprintf(stderr, "Can't create directory %s:", dir1);
perror("");
exit(1);
}
dir_contents = tor_listdir(dirname);
tt_assert(dir_contents);
/* make sure that each filename is listed. */
tt_assert(smartlist_contains_string_case(dir_contents, "hopscotch"));
tt_assert(smartlist_contains_string_case(dir_contents, "mumblety-peg"));
tt_assert(smartlist_contains_string_case(dir_contents, ".hidden-file"));
tt_assert(smartlist_contains_string_case(dir_contents, "some-directory"));
tt_assert(!smartlist_contains_string(dir_contents, "."));
tt_assert(!smartlist_contains_string(dir_contents, ".."));
done:
tor_free(fname1);
tor_free(fname2);
tor_free(fname3);
tor_free(dir1);
tor_free(dirname);
if (dir_contents) {
SMARTLIST_FOREACH(dir_contents, char *, cp, tor_free(cp));
smartlist_free(dir_contents);
}
}
static void
test_util_parent_dir(void *ptr)
{
char *cp;
(void)ptr;
#define T(output,expect_ok,input) \
do { \
int ok; \
cp = tor_strdup(input); \
ok = get_parent_directory(cp); \
tt_int_op(expect_ok, OP_EQ, ok); \
if (ok==0) \
tt_str_op(output, OP_EQ, cp); \
tor_free(cp); \
} while (0);
T("/home/wombat", 0, "/home/wombat/knish");
T("/home/wombat", 0, "/home/wombat/knish/");
T("/home/wombat", 0, "/home/wombat/knish///");
T("./home/wombat", 0, "./home/wombat/knish/");
T("/", 0, "/home");
T("/", 0, "/home//");
T(".", 0, "./wombat");
T(".", 0, "./wombat/");
T(".", 0, "./wombat//");
T("wombat", 0, "wombat/foo");
T("wombat/..", 0, "wombat/../foo");
T("wombat/../", 0, "wombat/..//foo"); /* Is this correct? */
T("wombat/.", 0, "wombat/./foo");
T("wombat/./", 0, "wombat/.//foo"); /* Is this correct? */
T("wombat", 0, "wombat/..//");
T("wombat", 0, "wombat/foo/");
T("wombat", 0, "wombat/.foo");
T("wombat", 0, "wombat/.foo/");
T("wombat", -1, "");
T("w", -1, "");
T("wombat", 0, "wombat/knish");
T("/", 0, "/");
T("/", 0, "////");
done:
tor_free(cp);
}
static void
test_util_ftruncate(void *ptr)
{
char *buf = NULL;
const char *fname;
int fd = -1;
const char *message = "Hello world";
const char *message2 = "Hola mundo";
struct stat st;
(void) ptr;
fname = get_fname("ftruncate");
fd = tor_open_cloexec(fname, O_WRONLY|O_CREAT, 0600);
tt_int_op(fd, OP_GE, 0);
/* Make the file be there. */
tt_int_op(strlen(message), OP_EQ, write_all(fd, message, strlen(message),0));
tt_int_op((int)tor_fd_getpos(fd), OP_EQ, strlen(message));
tt_int_op(0, OP_EQ, fstat(fd, &st));
tt_int_op((int)st.st_size, OP_EQ, strlen(message));
/* Truncate and see if it got truncated */
tt_int_op(0, OP_EQ, tor_ftruncate(fd));
tt_int_op((int)tor_fd_getpos(fd), OP_EQ, 0);
tt_int_op(0, OP_EQ, fstat(fd, &st));
tt_int_op((int)st.st_size, OP_EQ, 0);
/* Replace, and see if it got replaced */
tt_int_op(strlen(message2), OP_EQ,
write_all(fd, message2, strlen(message2), 0));
tt_int_op((int)tor_fd_getpos(fd), OP_EQ, strlen(message2));
tt_int_op(0, OP_EQ, fstat(fd, &st));
tt_int_op((int)st.st_size, OP_EQ, strlen(message2));
close(fd);
fd = -1;
buf = read_file_to_str(fname, 0, NULL);
tt_str_op(message2, OP_EQ, buf);
done:
if (fd >= 0)
close(fd);
tor_free(buf);
}
static void
test_util_num_cpus(void *arg)
{
(void)arg;
int num = compute_num_cpus();
if (num < 0)
tt_skip();
tt_int_op(num, OP_GE, 1);
tt_int_op(num, OP_LE, 16);
done:
;
}
#ifdef _WIN32
static void
test_util_load_win_lib(void *ptr)
{
HANDLE h = load_windows_system_library(_T("advapi32.dll"));
(void) ptr;
tt_assert(h);
done:
if (h)
FreeLibrary(h);
}
#endif /* defined(_WIN32) */
#ifndef _WIN32
static void
clear_hex_errno(char *hex_errno)
{
memset(hex_errno, '\0', HEX_ERRNO_SIZE + 1);
}
static void
test_util_exit_status(void *ptr)
{
/* Leave an extra byte for a \0 so we can do string comparison */
char hex_errno[HEX_ERRNO_SIZE + 1];
int n;
(void)ptr;
clear_hex_errno(hex_errno);
tt_str_op("",OP_EQ, hex_errno);
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0, 0, hex_errno);
tt_str_op("0/0\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
#if SIZEOF_INT == 4
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0, 0x7FFFFFFF, hex_errno);
tt_str_op("0/7FFFFFFF\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0xFF, -0x80000000, hex_errno);
tt_str_op("FF/-80000000\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
tt_int_op(n,OP_EQ, HEX_ERRNO_SIZE);
#elif SIZEOF_INT == 8
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0, 0x7FFFFFFFFFFFFFFF, hex_errno);
tt_str_op("0/7FFFFFFFFFFFFFFF\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0xFF, -0x8000000000000000, hex_errno);
tt_str_op("FF/-8000000000000000\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
tt_int_op(n,OP_EQ, HEX_ERRNO_SIZE);
#endif /* SIZEOF_INT == 4 || ... */
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0x7F, 0, hex_errno);
tt_str_op("7F/0\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
clear_hex_errno(hex_errno);
n = format_helper_exit_status(0x08, -0x242, hex_errno);
tt_str_op("8/-242\n",OP_EQ, hex_errno);
tt_int_op(n,OP_EQ, strlen(hex_errno));
clear_hex_errno(hex_errno);
tt_str_op("",OP_EQ, hex_errno);
done:
;
}
#endif /* !defined(_WIN32) */
#ifndef _WIN32
static void
test_util_string_from_pipe(void *ptr)
{
int test_pipe[2] = {-1, -1};
int retval = 0;
enum stream_status status = IO_STREAM_TERM;
ssize_t retlen;
char buf[4] = { 0 };
(void)ptr;
errno = 0;
/* Set up a pipe to test on */
retval = pipe(test_pipe);
tt_int_op(retval, OP_EQ, 0);
/* Send in a string. */
retlen = write(test_pipe[1], "ABC", 3);
tt_int_op(retlen, OP_EQ, 3);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "ABC");
errno = 0;
/* Send in a string that contains a nul. */
retlen = write(test_pipe[1], "AB\0", 3);
tt_int_op(retlen, OP_EQ, 3);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "AB");
errno = 0;
/* Send in a string that contains a nul only. */
retlen = write(test_pipe[1], "\0", 1);
tt_int_op(retlen, OP_EQ, 1);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "");
errno = 0;
/* Send in a string that contains a trailing newline. */
retlen = write(test_pipe[1], "AB\n", 3);
tt_int_op(retlen, OP_EQ, 3);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "AB");
errno = 0;
/* Send in a string that contains a newline only. */
retlen = write(test_pipe[1], "\n", 1);
tt_int_op(retlen, OP_EQ, 1);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "");
errno = 0;
/* Send in a string and check that we nul terminate return values. */
retlen = write(test_pipe[1], "AAA", 3);
tt_int_op(retlen, OP_EQ, 3);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "AAA");
tt_mem_op(buf, OP_EQ, "AAA\0", sizeof(buf));
errno = 0;
retlen = write(test_pipe[1], "B", 1);
tt_int_op(retlen, OP_EQ, 1);
memset(buf, '\xff', sizeof(buf));
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "B");
tt_mem_op(buf, OP_EQ, "B\0\xff\xff", sizeof(buf));
errno = 0;
/* Send in multiple lines. */
retlen = write(test_pipe[1], "A\nB", 3);
tt_int_op(retlen, OP_EQ, 3);
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "A\nB");
errno = 0;
/* Send in a line and close */
retlen = write(test_pipe[1], "AB", 2);
tt_int_op(retlen, OP_EQ, 2);
retval = close(test_pipe[1]);
tt_int_op(retval, OP_EQ, 0);
test_pipe[1] = -1;
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_OKAY);
tt_str_op(buf, OP_EQ, "AB");
errno = 0;
/* Check for EOF */
status = get_string_from_pipe(test_pipe[0], buf, sizeof(buf)-1);
tt_int_op(errno, OP_EQ, 0);
tt_int_op(status, OP_EQ, IO_STREAM_CLOSED);
errno = 0;
done:
if (test_pipe[0] != -1)
close(test_pipe[0]);
if (test_pipe[1] != -1)
close(test_pipe[1]);
}
#endif /* !defined(_WIN32) */
/**
* Test for format_hex_number_sigsafe()
*/
static void
test_util_format_hex_number(void *ptr)
{
int i, len;
char buf[33];
const struct {
const char *str;
unsigned int x;
} test_data[] = {
{"0", 0},
{"1", 1},
{"273A", 0x273a},
{"FFFF", 0xffff},
{"7FFFFFFF", 0x7fffffff},
{"FFFFFFFF", 0xffffffff},
#if UINT_MAX >= 0xffffffff
{"31BC421D", 0x31bc421d},
{"FFFFFFFF", 0xffffffff},
#endif
{NULL, 0}
};
(void)ptr;
for (i = 0; test_data[i].str != NULL; ++i) {
len = format_hex_number_sigsafe(test_data[i].x, buf, sizeof(buf));
tt_int_op(len,OP_NE, 0);
tt_int_op(len,OP_EQ, strlen(buf));
tt_str_op(buf,OP_EQ, test_data[i].str);
}
tt_int_op(4,OP_EQ, format_hex_number_sigsafe(0xffff, buf, 5));
tt_str_op(buf,OP_EQ, "FFFF");
tt_int_op(0,OP_EQ, format_hex_number_sigsafe(0xffff, buf, 4));
tt_int_op(0,OP_EQ, format_hex_number_sigsafe(0, buf, 1));
done:
return;
}
/**
* Test for format_hex_number_sigsafe()
*/
static void
test_util_format_dec_number(void *ptr)
{
int i, len;
char buf[33];
const struct {
const char *str;
unsigned int x;
} test_data[] = {
{"0", 0},
{"1", 1},
{"1234", 1234},
{"12345678", 12345678},
{"99999999", 99999999},
{"100000000", 100000000},
{"4294967295", 4294967295u},
#if UINT_MAX > 0xffffffff
{"18446744073709551615", 18446744073709551615u },
#endif
{NULL, 0}
};
(void)ptr;
for (i = 0; test_data[i].str != NULL; ++i) {
len = format_dec_number_sigsafe(test_data[i].x, buf, sizeof(buf));
tt_int_op(len,OP_NE, 0);
tt_int_op(len,OP_EQ, strlen(buf));
tt_str_op(buf,OP_EQ, test_data[i].str);
len = format_dec_number_sigsafe(test_data[i].x, buf,
(int)(strlen(test_data[i].str) + 1));
tt_int_op(len,OP_EQ, strlen(buf));
tt_str_op(buf,OP_EQ, test_data[i].str);
}
tt_int_op(4,OP_EQ, format_dec_number_sigsafe(7331, buf, 5));
tt_str_op(buf,OP_EQ, "7331");
tt_int_op(0,OP_EQ, format_dec_number_sigsafe(7331, buf, 4));
tt_int_op(1,OP_EQ, format_dec_number_sigsafe(0, buf, 2));
tt_int_op(0,OP_EQ, format_dec_number_sigsafe(0, buf, 1));
done:
return;
}
/**
* Test that we can properly format a Windows command line
*/
static void
test_util_join_win_cmdline(void *ptr)
{
/* Based on some test cases from "Parsing C++ Command-Line Arguments" in
* MSDN but we don't exercise all quoting rules because tor_join_win_cmdline
* will try to only generate simple cases for the child process to parse;
* i.e. we never embed quoted strings in arguments. */
const char *argvs[][4] = {
{"a", "bb", "CCC", NULL}, // Normal
{NULL, NULL, NULL, NULL}, // Empty argument list
{"", NULL, NULL, NULL}, // Empty argument
{"\"a", "b\"b", "CCC\"", NULL}, // Quotes
{"a\tbc", "dd dd", "E", NULL}, // Whitespace
{"a\\\\\\b", "de fg", "H", NULL}, // Backslashes
{"a\\\"b", "\\c", "D\\", NULL}, // Backslashes before quote
{"a\\\\b c", "d", "E", NULL}, // Backslashes not before quote
{ NULL } // Terminator
};
const char *cmdlines[] = {
"a bb CCC",
"",
"\"\"",
"\\\"a b\\\"b CCC\\\"",
"\"a\tbc\" \"dd dd\" E",
"a\\\\\\b \"de fg\" H",
"a\\\\\\\"b \\c D\\",
"\"a\\\\b c\" d E",
NULL // Terminator
};
int i;
char *joined_argv = NULL;
(void)ptr;
for (i=0; cmdlines[i]!=NULL; i++) {
log_info(LD_GENERAL, "Joining argvs[%d], expecting <%s>", i, cmdlines[i]);
joined_argv = tor_join_win_cmdline(argvs[i]);
tt_str_op(cmdlines[i],OP_EQ, joined_argv);
tor_free(joined_argv);
}
done:
tor_free(joined_argv);
}
#define MAX_SPLIT_LINE_COUNT 4
struct split_lines_test_t {
const char *orig_line; // Line to be split (may contain \0's)
int orig_length; // Length of orig_line
const char *split_line[MAX_SPLIT_LINE_COUNT]; // Split lines
};
/**
* Test that we properly split a buffer into lines
*/
static void
test_util_split_lines(void *ptr)
{
/* Test cases. orig_line of last test case must be NULL.
* The last element of split_line[i] must be NULL. */
struct split_lines_test_t tests[] = {
{"", 0, {NULL}},
{"foo", 3, {"foo", NULL}},
{"\n\rfoo\n\rbar\r\n", 12, {"foo", "bar", NULL}},
{"fo o\r\nb\tar", 10, {"fo o", "b.ar", NULL}},
{"\x0f""f\0o\0\n\x01""b\0r\0\r", 12, {".f.o.", ".b.r.", NULL}},
{"line 1\r\nline 2", 14, {"line 1", "line 2", NULL}},
{"line 1\r\n\r\nline 2", 16, {"line 1", "line 2", NULL}},
{"line 1\r\n\r\r\r\nline 2", 18, {"line 1", "line 2", NULL}},
{"line 1\r\n\n\n\n\rline 2", 18, {"line 1", "line 2", NULL}},
{"line 1\r\n\r\t\r\nline 3", 18, {"line 1", ".", "line 3", NULL}},
{"\n\t\r\t\nline 3", 11, {".", ".", "line 3", NULL}},
{NULL, 0, { NULL }}
};
int i, j;
char *orig_line=NULL;
smartlist_t *sl=NULL;
(void)ptr;
for (i=0; tests[i].orig_line; i++) {
sl = smartlist_new();
/* Allocate space for string and trailing NULL */
orig_line = tor_memdup(tests[i].orig_line, tests[i].orig_length + 1);
tor_split_lines(sl, orig_line, tests[i].orig_length);
j = 0;
log_info(LD_GENERAL, "Splitting test %d of length %d",
i, tests[i].orig_length);
SMARTLIST_FOREACH_BEGIN(sl, const char *, line) {
/* Check we have not got too many lines */
tt_int_op(MAX_SPLIT_LINE_COUNT, OP_GT, j);
/* Check that there actually should be a line here */
tt_ptr_op(tests[i].split_line[j], OP_NE, NULL);
log_info(LD_GENERAL, "Line %d of test %d, should be <%s>",
j, i, tests[i].split_line[j]);
/* Check that the line is as expected */
tt_str_op(line,OP_EQ, tests[i].split_line[j]);
j++;
} SMARTLIST_FOREACH_END(line);
/* Check that we didn't miss some lines */
tt_ptr_op(NULL,OP_EQ, tests[i].split_line[j]);
tor_free(orig_line);
smartlist_free(sl);
sl = NULL;
}
done:
tor_free(orig_line);
smartlist_free(sl);
}
static void
test_util_di_ops(void *arg)
{
#define LT -1
#define GT 1
#define EQ 0
const struct {
const char *a; int want_sign; const char *b;
} examples[] = {
{ "Foo", EQ, "Foo" },
{ "foo", GT, "bar", },
{ "foobar", EQ ,"foobar" },
{ "foobar", LT, "foobaw" },
{ "foobar", GT, "f00bar" },
{ "foobar", GT, "boobar" },
{ "", EQ, "" },
{ NULL, 0, NULL },
};
int i;
(void)arg;
for (i = 0; examples[i].a; ++i) {
size_t len = strlen(examples[i].a);
int eq1, eq2, neq1, neq2, cmp1, cmp2;
tt_int_op(len,OP_EQ, strlen(examples[i].b));
/* We do all of the operations, with operands in both orders. */
eq1 = tor_memeq(examples[i].a, examples[i].b, len);
eq2 = tor_memeq(examples[i].b, examples[i].a, len);
neq1 = tor_memneq(examples[i].a, examples[i].b, len);
neq2 = tor_memneq(examples[i].b, examples[i].a, len);
cmp1 = tor_memcmp(examples[i].a, examples[i].b, len);
cmp2 = tor_memcmp(examples[i].b, examples[i].a, len);
/* Check for correctness of cmp1 */
if (cmp1 < 0 && examples[i].want_sign != LT)
TT_DIE(("Assertion failed."));
else if (cmp1 > 0 && examples[i].want_sign != GT)
TT_DIE(("Assertion failed."));
else if (cmp1 == 0 && examples[i].want_sign != EQ)
TT_DIE(("Assertion failed."));
/* Check for consistency of everything else with cmp1 */
tt_int_op(eq1,OP_EQ, eq2);
tt_int_op(neq1,OP_EQ, neq2);
tt_int_op(cmp1,OP_EQ, -cmp2);
tt_int_op(eq1,OP_EQ, cmp1 == 0);
tt_int_op(neq1,OP_EQ, !eq1);
}
{
uint8_t zz = 0;
uint8_t ii = 0;
int z;
/* exhaustively test tor_memeq and tor_memcmp
* against each possible single-byte numeric difference
* some arithmetic bugs only appear with certain bit patterns */
for (z = 0; z < 256; z++) {
for (i = 0; i < 256; i++) {
ii = (uint8_t)i;
zz = (uint8_t)z;
tt_int_op(tor_memeq(&zz, &ii, 1),OP_EQ, zz == ii);
tt_int_op(tor_memcmp(&zz, &ii, 1) > 0 ? GT : EQ,OP_EQ,
zz > ii ? GT : EQ);
tt_int_op(tor_memcmp(&ii, &zz, 1) < 0 ? LT : EQ,OP_EQ,
ii < zz ? LT : EQ);
}
}
}
tt_int_op(1, OP_EQ, safe_mem_is_zero("", 0));
tt_int_op(1, OP_EQ, safe_mem_is_zero("", 1));
tt_int_op(0, OP_EQ, safe_mem_is_zero("a", 1));
tt_int_op(0, OP_EQ, safe_mem_is_zero("a", 2));
tt_int_op(0, OP_EQ, safe_mem_is_zero("\0a", 2));
tt_int_op(1, OP_EQ, safe_mem_is_zero("\0\0a", 2));
tt_int_op(1, OP_EQ, safe_mem_is_zero("\0\0\0\0\0\0\0\0", 8));
tt_int_op(1, OP_EQ, safe_mem_is_zero("\0\0\0\0\0\0\0\0a", 8));
tt_int_op(0, OP_EQ, safe_mem_is_zero("\0\0\0\0\0\0\0\0a", 9));
done:
;
}
static void
test_util_di_map(void *arg)
{
(void)arg;
di_digest256_map_t *dimap = NULL;
uint8_t key1[] = "Robert Anton Wilson ";
uint8_t key2[] = "Martin Gardner, _Fads&fallacies";
uint8_t key3[] = "Tom Lehrer, _Be Prepared_. ";
uint8_t key4[] = "Ursula Le Guin,_A Wizard of... ";
char dflt_entry[] = "'You have made a good beginning', but no more";
tt_int_op(32, OP_EQ, sizeof(key1));
tt_int_op(32, OP_EQ, sizeof(key2));
tt_int_op(32, OP_EQ, sizeof(key3));
tt_ptr_op(dflt_entry, OP_EQ, dimap_search(dimap, key1, dflt_entry));
char *str1 = tor_strdup("You are precisely as big as what you love"
" and precisely as small as what you allow"
" to annoy you.");
char *str2 = tor_strdup("Let us hope that Lysenko's success in Russia will"
" serve for many generations to come as another"
" reminder to the world of how quickly and easily"
" a science can be corrupted when ignorant"
" political leaders deem themselves competent"
" to arbitrate scientific disputes");
char *str3 = tor_strdup("Don't write naughty words on walls "
"if you can't spell.");
dimap_add_entry(&dimap, key1, str1);
dimap_add_entry(&dimap, key2, str2);
dimap_add_entry(&dimap, key3, str3);
tt_ptr_op(str1, OP_EQ, dimap_search(dimap, key1, dflt_entry));
tt_ptr_op(str3, OP_EQ, dimap_search(dimap, key3, dflt_entry));
tt_ptr_op(str2, OP_EQ, dimap_search(dimap, key2, dflt_entry));
tt_ptr_op(dflt_entry, OP_EQ, dimap_search(dimap, key4, dflt_entry));
done:
dimap_free(dimap, tor_free_);
}
/**
* Test counting high bits
*/
static void
test_util_n_bits_set(void *ptr)
{
(void)ptr;
tt_int_op(0,OP_EQ, n_bits_set_u8(0));
tt_int_op(1,OP_EQ, n_bits_set_u8(1));
tt_int_op(3,OP_EQ, n_bits_set_u8(7));
tt_int_op(1,OP_EQ, n_bits_set_u8(8));
tt_int_op(2,OP_EQ, n_bits_set_u8(129));
tt_int_op(8,OP_EQ, n_bits_set_u8(255));
done:
;
}
/**
* Test LHS whitespace (and comment) eater
*/
static void
test_util_eat_whitespace(void *ptr)
{
const char ws[] = { ' ', '\t', '\r' }; /* Except NL */
char str[80];
size_t i;
(void)ptr;
/* Try one leading ws */
strlcpy(str, "fuubaar", sizeof(str));
for (i = 0; i < sizeof(ws); ++i) {
str[0] = ws[i];
tt_ptr_op(str + 1,OP_EQ, eat_whitespace(str));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
}
str[0] = '\n';
tt_ptr_op(str + 1,OP_EQ, eat_whitespace(str));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Empty string */
strlcpy(str, "", sizeof(str));
tt_ptr_op(str,OP_EQ, eat_whitespace(str));
tt_ptr_op(str,OP_EQ, eat_whitespace_eos(str, str));
tt_ptr_op(str,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str,OP_EQ, eat_whitespace_eos_no_nl(str, str));
/* Only ws */
strlcpy(str, " \t\r\n", sizeof(str));
tt_ptr_op(str + strlen(str),OP_EQ, eat_whitespace(str));
tt_ptr_op(str + strlen(str),OP_EQ,
eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + strlen(str) - 1,OP_EQ,
eat_whitespace_no_nl(str));
tt_ptr_op(str + strlen(str) - 1,OP_EQ,
eat_whitespace_eos_no_nl(str, str + strlen(str)));
strlcpy(str, " \t\r ", sizeof(str));
tt_ptr_op(str + strlen(str),OP_EQ, eat_whitespace(str));
tt_ptr_op(str + strlen(str),OP_EQ,
eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + strlen(str),OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str + strlen(str),OP_EQ,
eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Multiple ws */
strlcpy(str, "fuubaar", sizeof(str));
for (i = 0; i < sizeof(ws); ++i)
str[i] = ws[i];
tt_ptr_op(str + sizeof(ws),OP_EQ, eat_whitespace(str));
tt_ptr_op(str + sizeof(ws),OP_EQ,
eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + sizeof(ws),OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str + sizeof(ws),OP_EQ,
eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Eat comment */
strlcpy(str, "# Comment \n No Comment", sizeof(str));
tt_str_op("No Comment",OP_EQ, eat_whitespace(str));
tt_str_op("No Comment",OP_EQ, eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Eat comment & ws mix */
strlcpy(str, " # \t Comment \n\t\nNo Comment", sizeof(str));
tt_str_op("No Comment",OP_EQ, eat_whitespace(str));
tt_str_op("No Comment",OP_EQ, eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str + 1,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Eat entire comment */
strlcpy(str, "#Comment", sizeof(str));
tt_ptr_op(str + strlen(str),OP_EQ, eat_whitespace(str));
tt_ptr_op(str + strlen(str),OP_EQ,
eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
/* Blank line, then comment */
strlcpy(str, " \t\n # Comment", sizeof(str));
tt_ptr_op(str + strlen(str),OP_EQ, eat_whitespace(str));
tt_ptr_op(str + strlen(str),OP_EQ,
eat_whitespace_eos(str, str + strlen(str)));
tt_ptr_op(str + 2,OP_EQ, eat_whitespace_no_nl(str));
tt_ptr_op(str + 2,OP_EQ, eat_whitespace_eos_no_nl(str, str + strlen(str)));
done:
;
}
/** Return a newly allocated smartlist containing the lines of text in
* <b>lines</b>. The returned strings are heap-allocated, and must be
* freed by the caller.
*
* XXXX? Move to container.[hc] ? */
static smartlist_t *
smartlist_new_from_text_lines(const char *lines)
{
smartlist_t *sl = smartlist_new();
char *last_line;
smartlist_split_string(sl, lines, "\n", 0, 0);
last_line = smartlist_pop_last(sl);
if (last_line != NULL && *last_line != '\0') {
smartlist_add(sl, last_line);
} else {
tor_free(last_line);
}
return sl;
}
/** Test smartlist_new_from_text_lines */
static void
test_util_sl_new_from_text_lines(void *ptr)
{
(void)ptr;
{ /* Normal usage */
smartlist_t *sl = smartlist_new_from_text_lines("foo\nbar\nbaz\n");
int sl_len = smartlist_len(sl);
tt_want_int_op(sl_len, OP_EQ, 3);
if (sl_len > 0) tt_want_str_op(smartlist_get(sl, 0), OP_EQ, "foo");
if (sl_len > 1) tt_want_str_op(smartlist_get(sl, 1), OP_EQ, "bar");
if (sl_len > 2) tt_want_str_op(smartlist_get(sl, 2), OP_EQ, "baz");
SMARTLIST_FOREACH(sl, void *, x, tor_free(x));
smartlist_free(sl);
}
{ /* No final newline */
smartlist_t *sl = smartlist_new_from_text_lines("foo\nbar\nbaz");
int sl_len = smartlist_len(sl);
tt_want_int_op(sl_len, OP_EQ, 3);
if (sl_len > 0) tt_want_str_op(smartlist_get(sl, 0), OP_EQ, "foo");
if (sl_len > 1) tt_want_str_op(smartlist_get(sl, 1), OP_EQ, "bar");
if (sl_len > 2) tt_want_str_op(smartlist_get(sl, 2), OP_EQ, "baz");
SMARTLIST_FOREACH(sl, void *, x, tor_free(x));
smartlist_free(sl);
}
{ /* No newlines */
smartlist_t *sl = smartlist_new_from_text_lines("foo");
int sl_len = smartlist_len(sl);
tt_want_int_op(sl_len, OP_EQ, 1);
if (sl_len > 0) tt_want_str_op(smartlist_get(sl, 0), OP_EQ, "foo");
SMARTLIST_FOREACH(sl, void *, x, tor_free(x));
smartlist_free(sl);
}
{ /* No text at all */
smartlist_t *sl = smartlist_new_from_text_lines("");
int sl_len = smartlist_len(sl);
tt_want_int_op(sl_len, OP_EQ, 0);
SMARTLIST_FOREACH(sl, void *, x, tor_free(x));
smartlist_free(sl);
}
}
static void
test_util_envnames(void *ptr)
{
(void) ptr;
tt_assert(environment_variable_names_equal("abc", "abc"));
tt_assert(environment_variable_names_equal("abc", "abc="));
tt_assert(environment_variable_names_equal("abc", "abc=def"));
tt_assert(environment_variable_names_equal("abc=def", "abc"));
tt_assert(environment_variable_names_equal("abc=def", "abc=ghi"));
tt_assert(environment_variable_names_equal("abc", "abc"));
tt_assert(environment_variable_names_equal("abc", "abc="));
tt_assert(environment_variable_names_equal("abc", "abc=def"));
tt_assert(environment_variable_names_equal("abc=def", "abc"));
tt_assert(environment_variable_names_equal("abc=def", "abc=ghi"));
tt_assert(!environment_variable_names_equal("abc", "abcd"));
tt_assert(!environment_variable_names_equal("abc=", "abcd"));
tt_assert(!environment_variable_names_equal("abc=", "abcd"));
tt_assert(!environment_variable_names_equal("abc=", "def"));
tt_assert(!environment_variable_names_equal("abc=", "def="));
tt_assert(!environment_variable_names_equal("abc=x", "def=x"));
tt_assert(!environment_variable_names_equal("", "a=def"));
/* A bit surprising. */
tt_assert(environment_variable_names_equal("", "=def"));
tt_assert(environment_variable_names_equal("=y", "=x"));
done:
;
}
/** Test process_environment_make */
static void
test_util_make_environment(void *ptr)
{
const char *env_vars_string =
"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/bin\n"
"HOME=/home/foozer\n";
const char expected_windows_env_block[] =
"HOME=/home/foozer\000"
"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/bin\000"
"\000";
size_t expected_windows_env_block_len =
sizeof(expected_windows_env_block) - 1;
smartlist_t *env_vars = smartlist_new_from_text_lines(env_vars_string);
smartlist_t *env_vars_sorted = smartlist_new();
smartlist_t *env_vars_in_unixoid_env_block_sorted = smartlist_new();
process_environment_t *env;
(void)ptr;
env = process_environment_make(env_vars);
/* Check that the Windows environment block is correct. */
tt_want(tor_memeq(expected_windows_env_block, env->windows_environment_block,
expected_windows_env_block_len));
/* Now for the Unixoid environment block. We don't care which order
* these environment variables are in, so we sort both lists first. */
smartlist_add_all(env_vars_sorted, env_vars);
{
char **v;
for (v = env->unixoid_environment_block; *v; ++v) {
smartlist_add(env_vars_in_unixoid_env_block_sorted, *v);
}
}
smartlist_sort_strings(env_vars_sorted);
smartlist_sort_strings(env_vars_in_unixoid_env_block_sorted);
tt_want_int_op(smartlist_len(env_vars_sorted), OP_EQ,
smartlist_len(env_vars_in_unixoid_env_block_sorted));
{
int len = smartlist_len(env_vars_sorted);
int i;
if (smartlist_len(env_vars_in_unixoid_env_block_sorted) < len) {
len = smartlist_len(env_vars_in_unixoid_env_block_sorted);
}
for (i = 0; i < len; ++i) {
tt_want_str_op(smartlist_get(env_vars_sorted, i), OP_EQ,
smartlist_get(env_vars_in_unixoid_env_block_sorted, i));
}
}
/* Clean up. */
smartlist_free(env_vars_in_unixoid_env_block_sorted);
smartlist_free(env_vars_sorted);
SMARTLIST_FOREACH(env_vars, char *, x, tor_free(x));
smartlist_free(env_vars);
process_environment_free(env);
}
/** Test set_environment_variable_in_smartlist */
static void
test_util_set_env_var_in_sl(void *ptr)
{
/* The environment variables in these strings are in arbitrary
* order; we sort the resulting lists before comparing them.
*
* (They *will not* end up in the order shown in
* expected_resulting_env_vars_string.) */
const char *base_env_vars_string =
"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/bin\n"
"HOME=/home/foozer\n"
"TERM=xterm\n"
"SHELL=/bin/ksh\n"
"USER=foozer\n"
"LOGNAME=foozer\n"
"USERNAME=foozer\n"
"LANG=en_US.utf8\n"
;
const char *new_env_vars_string =
"TERM=putty\n"
"DISPLAY=:18.0\n"
;
const char *expected_resulting_env_vars_string =
"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/bin\n"
"HOME=/home/foozer\n"
"TERM=putty\n"
"SHELL=/bin/ksh\n"
"USER=foozer\n"
"LOGNAME=foozer\n"
"USERNAME=foozer\n"
"LANG=en_US.utf8\n"
"DISPLAY=:18.0\n"
;
smartlist_t *merged_env_vars =
smartlist_new_from_text_lines(base_env_vars_string);
smartlist_t *new_env_vars =
smartlist_new_from_text_lines(new_env_vars_string);
smartlist_t *expected_resulting_env_vars =
smartlist_new_from_text_lines(expected_resulting_env_vars_string);
/* Elements of merged_env_vars are heap-allocated, and must be
* freed. Some of them are (or should) be freed by
* set_environment_variable_in_smartlist.
*
* Elements of new_env_vars are heap-allocated, but are copied into
* merged_env_vars, so they are not freed separately at the end of
* the function.
*
* Elements of expected_resulting_env_vars are heap-allocated, and
* must be freed. */
(void)ptr;
SMARTLIST_FOREACH(new_env_vars, char *, env_var,
set_environment_variable_in_smartlist(merged_env_vars,
env_var,
tor_free_,
1));
smartlist_sort_strings(merged_env_vars);
smartlist_sort_strings(expected_resulting_env_vars);
tt_want_int_op(smartlist_len(merged_env_vars), OP_EQ,
smartlist_len(expected_resulting_env_vars));
{
int len = smartlist_len(merged_env_vars);
int i;
if (smartlist_len(expected_resulting_env_vars) < len) {
len = smartlist_len(expected_resulting_env_vars);
}
for (i = 0; i < len; ++i) {
tt_want_str_op(smartlist_get(merged_env_vars, i), OP_EQ,
smartlist_get(expected_resulting_env_vars, i));
}
}
/* Clean up. */
SMARTLIST_FOREACH(merged_env_vars, char *, x, tor_free(x));
smartlist_free(merged_env_vars);
smartlist_free(new_env_vars);
SMARTLIST_FOREACH(expected_resulting_env_vars, char *, x, tor_free(x));
smartlist_free(expected_resulting_env_vars);
}
static void
test_util_weak_random(void *arg)
{
int i, j, n[16];
tor_weak_rng_t rng;
(void) arg;
tor_init_weak_random(&rng, (unsigned)time(NULL));
for (i = 1; i <= 256; ++i) {
for (j=0;j<100;++j) {
int r = tor_weak_random_range(&rng, i);
tt_int_op(0, OP_LE, r);
tt_int_op(r, OP_LT, i);
}
}
memset(n,0,sizeof(n));
for (j=0;j<8192;++j) {
n[tor_weak_random_range(&rng, 16)]++;
}
for (i=0;i<16;++i)
tt_int_op(n[i], OP_GT, 0);
done:
;
}
static void
test_util_mathlog(void *arg)
{
double d;
(void) arg;
d = tor_mathlog(2.718281828);
tt_double_op(fabs(d - 1.0), OP_LT, .000001);
d = tor_mathlog(10);
tt_double_op(fabs(d - 2.30258509), OP_LT, .000001);
done:
;
}
static void
test_util_fraction(void *arg)
{
uint64_t a,b;
(void)arg;
a = 99; b = 30;
simplify_fraction64(&a,&b);
tt_u64_op(a, OP_EQ, 33);
tt_u64_op(b, OP_EQ, 10);
a = 3000000; b = 10000000;
simplify_fraction64(&a,&b);
tt_u64_op(a, OP_EQ, 3);
tt_u64_op(b, OP_EQ, 10);
a = 0; b = 15;
simplify_fraction64(&a,&b);
tt_u64_op(a, OP_EQ, 0);
tt_u64_op(b, OP_EQ, 1);
done:
;
}
static void
test_util_round_to_next_multiple_of(void *arg)
{
(void)arg;
tt_u64_op(round_uint64_to_next_multiple_of(0,1), OP_EQ, 0);
tt_u64_op(round_uint64_to_next_multiple_of(0,7), OP_EQ, 0);
tt_u64_op(round_uint64_to_next_multiple_of(99,1), OP_EQ, 99);
tt_u64_op(round_uint64_to_next_multiple_of(99,7), OP_EQ, 105);
tt_u64_op(round_uint64_to_next_multiple_of(99,9), OP_EQ, 99);
tt_u64_op(round_uint64_to_next_multiple_of(UINT64_MAX,2), OP_EQ,
UINT64_MAX);
tt_int_op(round_uint32_to_next_multiple_of(0,1), OP_EQ, 0);
tt_int_op(round_uint32_to_next_multiple_of(0,7), OP_EQ, 0);
tt_int_op(round_uint32_to_next_multiple_of(99,1), OP_EQ, 99);
tt_int_op(round_uint32_to_next_multiple_of(99,7), OP_EQ, 105);
tt_int_op(round_uint32_to_next_multiple_of(99,9), OP_EQ, 99);
tt_int_op(round_uint32_to_next_multiple_of(UINT32_MAX,2), OP_EQ,
UINT32_MAX);
tt_uint_op(round_to_next_multiple_of(0,1), OP_EQ, 0);
tt_uint_op(round_to_next_multiple_of(0,7), OP_EQ, 0);
tt_uint_op(round_to_next_multiple_of(99,1), OP_EQ, 99);
tt_uint_op(round_to_next_multiple_of(99,7), OP_EQ, 105);
tt_uint_op(round_to_next_multiple_of(99,9), OP_EQ, 99);
tt_uint_op(round_to_next_multiple_of(UINT_MAX,2), OP_EQ,
UINT_MAX);
done:
;
}
static void
test_util_laplace(void *arg)
{
/* Sample values produced using Python's SciPy:
*
* >>> from scipy.stats import laplace
* >>> laplace.ppf([-0.01, 0.0, 0.01, 0.5, 0.51, 0.99, 1.0, 1.01],
... loc = 24, scale = 24)
* array([ nan, -inf, -69.88855213, 24. ,
* 24.48486498, 117.88855213, inf, nan])
*/
const double mu = 24.0, b = 24.0;
const double delta_f = 15.0, epsilon = 0.3; /* b = 15.0 / 0.3 = 50.0 */
(void)arg;
tt_i64_op(INT64_MIN, OP_EQ, sample_laplace_distribution(mu, b, 0.0));
tt_i64_op(-69, OP_EQ, sample_laplace_distribution(mu, b, 0.01));
tt_i64_op(24, OP_EQ, sample_laplace_distribution(mu, b, 0.5));
tt_i64_op(24, OP_EQ, sample_laplace_distribution(mu, b, 0.51));
tt_i64_op(117, OP_EQ, sample_laplace_distribution(mu, b, 0.99));
/* >>> laplace.ppf([0.0, 0.1, 0.25, 0.5, 0.75, 0.9, 0.99],
* ... loc = 0, scale = 50)
* array([ -inf, -80.47189562, -34.65735903, 0. ,
* 34.65735903, 80.47189562, 195.60115027])
*/
tt_i64_op(INT64_MIN + 20, OP_EQ,
add_laplace_noise(20, 0.0, delta_f, epsilon));
tt_i64_op(-60, OP_EQ, add_laplace_noise(20, 0.1, delta_f, epsilon));
tt_i64_op(-14, OP_EQ, add_laplace_noise(20, 0.25, delta_f, epsilon));
tt_i64_op(20, OP_EQ, add_laplace_noise(20, 0.5, delta_f, epsilon));
tt_i64_op(54, OP_EQ, add_laplace_noise(20, 0.75, delta_f, epsilon));
tt_i64_op(100, OP_EQ, add_laplace_noise(20, 0.9, delta_f, epsilon));
tt_i64_op(215, OP_EQ, add_laplace_noise(20, 0.99, delta_f, epsilon));
/* Test extreme values of signal with maximally negative values of noise
* 1.0000000000000002 is the smallest number > 1
* 0.0000000000000002 is the double epsilon (error when calculating near 1)
* this is approximately 1/(2^52)
* per https://en.wikipedia.org/wiki/Double_precision
* (let's not descend into the world of subnormals)
* >>> laplace.ppf([0, 0.0000000000000002], loc = 0, scale = 1)
* array([ -inf, -35.45506713])
*/
const double noscale_df = 1.0, noscale_eps = 1.0;
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(0, 0.0, noscale_df, noscale_eps));
/* is it clipped to INT64_MIN? */
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(-1, 0.0, noscale_df, noscale_eps));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(INT64_MIN, 0.0,
noscale_df, noscale_eps));
/* ... even when scaled? */
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(0, 0.0, delta_f, epsilon));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(0, 0.0,
DBL_MAX, 1));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(INT64_MIN, 0.0,
DBL_MAX, 1));
/* does it play nice with INT64_MAX? */
tt_i64_op((INT64_MIN + INT64_MAX), OP_EQ,
add_laplace_noise(INT64_MAX, 0.0,
noscale_df, noscale_eps));
/* do near-zero fractional values work? */
const double min_dbl_error = 0.0000000000000002;
tt_i64_op(-35, OP_EQ,
add_laplace_noise(0, min_dbl_error,
noscale_df, noscale_eps));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(INT64_MIN, min_dbl_error,
noscale_df, noscale_eps));
tt_i64_op((-35 + INT64_MAX), OP_EQ,
add_laplace_noise(INT64_MAX, min_dbl_error,
noscale_df, noscale_eps));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(0, min_dbl_error,
DBL_MAX, 1));
tt_i64_op((INT64_MAX + INT64_MIN), OP_EQ,
add_laplace_noise(INT64_MAX, min_dbl_error,
DBL_MAX, 1));
tt_i64_op(INT64_MIN, OP_EQ,
add_laplace_noise(INT64_MIN, min_dbl_error,
DBL_MAX, 1));
/* does it play nice with INT64_MAX? */
tt_i64_op((INT64_MAX - 35), OP_EQ,
add_laplace_noise(INT64_MAX, min_dbl_error,
noscale_df, noscale_eps));
/* Test extreme values of signal with maximally positive values of noise
* 1.0000000000000002 is the smallest number > 1
* 0.9999999999999998 is the greatest number < 1 by calculation
* per https://en.wikipedia.org/wiki/Double_precision
* >>> laplace.ppf([1.0, 0.9999999999999998], loc = 0, scale = 1)
* array([inf, 35.35050621])
* but the function rejects p == 1.0, so we just use max_dbl_lt_one
*/
const double max_dbl_lt_one = 0.9999999999999998;
/* do near-one fractional values work? */
tt_i64_op(35, OP_EQ,
add_laplace_noise(0, max_dbl_lt_one, noscale_df, noscale_eps));
/* is it clipped to INT64_MAX? */
tt_i64_op(INT64_MAX, OP_EQ,
add_laplace_noise(INT64_MAX - 35, max_dbl_lt_one,
noscale_df, noscale_eps));
tt_i64_op(INT64_MAX, OP_EQ,
add_laplace_noise(INT64_MAX - 34, max_dbl_lt_one,
noscale_df, noscale_eps));
tt_i64_op(INT64_MAX, OP_EQ,
add_laplace_noise(INT64_MAX, max_dbl_lt_one,
noscale_df, noscale_eps));
/* ... even when scaled? */
tt_i64_op(INT64_MAX, OP_EQ,
add_laplace_noise(INT64_MAX, max_dbl_lt_one,
delta_f, epsilon));
tt_i64_op((INT64_MIN + INT64_MAX), OP_EQ,
add_laplace_noise(INT64_MIN, max_dbl_lt_one,
DBL_MAX, 1));
tt_i64_op(INT64_MAX, OP_EQ,
add_laplace_noise(INT64_MAX, max_dbl_lt_one,
DBL_MAX, 1));
/* does it play nice with INT64_MIN? */
tt_i64_op((INT64_MIN + 35), OP_EQ,
add_laplace_noise(INT64_MIN, max_dbl_lt_one,
noscale_df, noscale_eps));
done:
;
}
static void
test_util_clamp_double_to_int64(void *arg)
{
(void)arg;
tt_i64_op(INT64_MIN, OP_EQ, clamp_double_to_int64(-INFINITY_DBL));
tt_i64_op(INT64_MIN, OP_EQ,
clamp_double_to_int64(-1.0 * pow(2.0, 64.0) - 1.0));
tt_i64_op(INT64_MIN, OP_EQ,
clamp_double_to_int64(-1.0 * pow(2.0, 63.0) - 1.0));
tt_i64_op(((uint64_t) -1) << 53, OP_EQ,
clamp_double_to_int64(-1.0 * pow(2.0, 53.0)));
tt_i64_op((((uint64_t) -1) << 53) + 1, OP_EQ,
clamp_double_to_int64(-1.0 * pow(2.0, 53.0) + 1.0));
tt_i64_op(-1, OP_EQ, clamp_double_to_int64(-1.0));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(-0.9));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(-0.1));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(0.0));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(NAN_DBL));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(0.1));
tt_i64_op(0, OP_EQ, clamp_double_to_int64(0.9));
tt_i64_op(1, OP_EQ, clamp_double_to_int64(1.0));
tt_i64_op((((int64_t) 1) << 53) - 1, OP_EQ,
clamp_double_to_int64(pow(2.0, 53.0) - 1.0));
tt_i64_op(((int64_t) 1) << 53, OP_EQ,
clamp_double_to_int64(pow(2.0, 53.0)));
tt_i64_op(INT64_MAX, OP_EQ,
clamp_double_to_int64(pow(2.0, 63.0)));
tt_i64_op(INT64_MAX, OP_EQ,
clamp_double_to_int64(pow(2.0, 64.0)));
tt_i64_op(INT64_MAX, OP_EQ, clamp_double_to_int64(INFINITY_DBL));
done:
;
}
#ifdef FD_CLOEXEC
#define CAN_CHECK_CLOEXEC
static int
fd_is_cloexec(tor_socket_t fd)
{
int flags = fcntl(fd, F_GETFD, 0);
return (flags & FD_CLOEXEC) == FD_CLOEXEC;
}
#endif /* defined(FD_CLOEXEC) */
#ifndef _WIN32
#define CAN_CHECK_NONBLOCK
static int
fd_is_nonblocking(tor_socket_t fd)
{
int flags = fcntl(fd, F_GETFL, 0);
return (flags & O_NONBLOCK) == O_NONBLOCK;
}
#endif /* !defined(_WIN32) */
#define ERRNO_IS_EPROTO(e) (e == SOCK_ERRNO(EPROTONOSUPPORT))
#define SOCK_ERR_IS_EPROTO(s) ERRNO_IS_EPROTO(tor_socket_errno(s))
/* Test for tor_open_socket*, using IPv4 or IPv6 depending on arg. */
static void
test_util_socket(void *arg)
{
const int domain = !strcmp(arg, "4") ? AF_INET : AF_INET6;
tor_socket_t fd1 = TOR_INVALID_SOCKET;
tor_socket_t fd2 = TOR_INVALID_SOCKET;
tor_socket_t fd3 = TOR_INVALID_SOCKET;
tor_socket_t fd4 = TOR_INVALID_SOCKET;
int n = get_n_open_sockets();
TT_BLATHER(("Starting with %d open sockets.", n));
(void)arg;
fd1 = tor_open_socket_with_extensions(domain, SOCK_STREAM, 0, 0, 0);
int err = tor_socket_errno(fd1);
if (fd1 < 0 && (err == SOCK_ERRNO(EPROTONOSUPPORT) ||
err == SOCK_ERRNO(EAFNOSUPPORT))) {
/* Assume we're on an IPv4-only or IPv6-only system, and give up now. */
goto done;
}
fd2 = tor_open_socket_with_extensions(domain, SOCK_STREAM, 0, 0, 1);
tt_assert(SOCKET_OK(fd1));
tt_assert(SOCKET_OK(fd2));
tt_int_op(get_n_open_sockets(), OP_EQ, n + 2);
//fd3 = tor_open_socket_with_extensions(domain, SOCK_STREAM, 0, 1, 0);
//fd4 = tor_open_socket_with_extensions(domain, SOCK_STREAM, 0, 1, 1);
fd3 = tor_open_socket(domain, SOCK_STREAM, 0);
fd4 = tor_open_socket_nonblocking(domain, SOCK_STREAM, 0);
tt_assert(SOCKET_OK(fd3));
tt_assert(SOCKET_OK(fd4));
tt_int_op(get_n_open_sockets(), OP_EQ, n + 4);
#ifdef CAN_CHECK_CLOEXEC
tt_int_op(fd_is_cloexec(fd1), OP_EQ, 0);
tt_int_op(fd_is_cloexec(fd2), OP_EQ, 0);
tt_int_op(fd_is_cloexec(fd3), OP_EQ, 1);
tt_int_op(fd_is_cloexec(fd4), OP_EQ, 1);
#endif /* defined(CAN_CHECK_CLOEXEC) */
#ifdef CAN_CHECK_NONBLOCK
tt_int_op(fd_is_nonblocking(fd1), OP_EQ, 0);
tt_int_op(fd_is_nonblocking(fd2), OP_EQ, 1);
tt_int_op(fd_is_nonblocking(fd3), OP_EQ, 0);
tt_int_op(fd_is_nonblocking(fd4), OP_EQ, 1);
#endif /* defined(CAN_CHECK_NONBLOCK) */
tor_assert(tor_close_socket == tor_close_socket__real);
/* we use close_socket__real here so that coverity can tell that we are
* really closing these sockets. */
tor_close_socket__real(fd1);
tor_close_socket__real(fd2);
fd1 = fd2 = TOR_INVALID_SOCKET;
tt_int_op(get_n_open_sockets(), OP_EQ, n + 2);
tor_close_socket__real(fd3);
tor_close_socket__real(fd4);
fd3 = fd4 = TOR_INVALID_SOCKET;
tt_int_op(get_n_open_sockets(), OP_EQ, n);
done:
if (SOCKET_OK(fd1))
tor_close_socket__real(fd1);
if (SOCKET_OK(fd2))
tor_close_socket__real(fd2);
if (SOCKET_OK(fd3))
tor_close_socket__real(fd3);
if (SOCKET_OK(fd4))
tor_close_socket__real(fd4);
}
#if 0
static int
is_there_a_localhost(int family)
{
tor_socket_t s;
s = tor_open_socket(family, SOCK_STREAM, IPPROTO_TCP);
tor_assert(SOCKET_OK(s));
int result = 0;
if (family == AF_INET) {
struct sockaddr_in s_in;
memset(&s_in, 0, sizeof(s_in));
s_in.sin_family = AF_INET;
s_in.sin_addr.s_addr = htonl(0x7f000001);
s_in.sin_port = 0;
if (bind(s, (void*)&s_in, sizeof(s_in)) == 0) {
result = 1;
}
} else if (family == AF_INET6) {
struct sockaddr_in6 sin6;
memset(&sin6, 0, sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_addr.s6_addr[15] = 1;
sin6.sin6_port = 0;
}
tor_close_socket(s);
return result;
}
#endif /* 0 */
/* Test for socketpair and ersatz_socketpair(). We test them both, since
* the latter is a tolerably good way to exercise tor_accept_socket(). */
static void
test_util_socketpair(void *arg)
{
const int ersatz = !strcmp(arg, "1");
int (*const tor_socketpair_fn)(int, int, int, tor_socket_t[2]) =
ersatz ? tor_ersatz_socketpair : tor_socketpair;
int n = get_n_open_sockets();
tor_socket_t fds[2] = {TOR_INVALID_SOCKET, TOR_INVALID_SOCKET};
const int family = AF_UNIX;
int socketpair_result = 0;
socketpair_result = tor_socketpair_fn(family, SOCK_STREAM, 0, fds);
#ifdef __FreeBSD__
/* If there is no 127.0.0.1, tor_ersatz_socketpair will and must fail.
* Otherwise, we risk exposing a socketpair on a routable IP address. (Some
* BSD jails use a routable address for localhost. Fortunately, they have
* the real AF_UNIX socketpair.) */
if (ersatz && socketpair_result < 0) {
/* In my testing, an IPv6-only FreeBSD jail without ::1 returned EINVAL.
* Assume we're on a machine without 127.0.0.1 or ::1 and give up now. */
tt_skip();
}
#endif /* defined(__FreeBSD__) */
tt_int_op(0, OP_EQ, socketpair_result);
tt_assert(SOCKET_OK(fds[0]));
tt_assert(SOCKET_OK(fds[1]));
tt_int_op(get_n_open_sockets(), OP_EQ, n + 2);
#ifdef CAN_CHECK_CLOEXEC
tt_int_op(fd_is_cloexec(fds[0]), OP_EQ, 1);
tt_int_op(fd_is_cloexec(fds[1]), OP_EQ, 1);
#endif
#ifdef CAN_CHECK_NONBLOCK
tt_int_op(fd_is_nonblocking(fds[0]), OP_EQ, 0);
tt_int_op(fd_is_nonblocking(fds[1]), OP_EQ, 0);
#endif
done:
if (SOCKET_OK(fds[0]))
tor_close_socket(fds[0]);
if (SOCKET_OK(fds[1]))
tor_close_socket(fds[1]);
}
#undef SOCKET_EPROTO
static void
test_util_max_mem(void *arg)
{
size_t memory1, memory2;
int r, r2;
(void) arg;
r = get_total_system_memory(&memory1);
r2 = get_total_system_memory(&memory2);
tt_int_op(r, OP_EQ, r2);
tt_uint_op(memory2, OP_EQ, memory1);
TT_BLATHER(("System memory: "U64_FORMAT, U64_PRINTF_ARG(memory1)));
if (r==0) {
/* You have at least a megabyte. */
tt_uint_op(memory1, OP_GT, (1<<20));
} else {
/* You do not have a petabyte. */
#if SIZEOF_SIZE_T == SIZEOF_UINT64_T
tt_u64_op(memory1, OP_LT, (U64_LITERAL(1)<<50));
#endif
}
done:
;
}
static void
test_util_dest_validation_edgecase(void *arg)
{
(void)arg;
tt_assert(!string_is_valid_dest(NULL));
tt_assert(!string_is_valid_dest(""));
done:
return;
}
static void
test_util_hostname_validation(void *arg)
{
(void)arg;
// Lets try valid hostnames first.
tt_assert(string_is_valid_nonrfc_hostname("torproject.org"));
tt_assert(string_is_valid_nonrfc_hostname("ocw.mit.edu"));
tt_assert(string_is_valid_nonrfc_hostname("i.4cdn.org"));
tt_assert(string_is_valid_nonrfc_hostname("stanford.edu"));
tt_assert(string_is_valid_nonrfc_hostname("multiple-words-with-hypens.jp"));
// Subdomain name cannot start with '-' or '_'.
tt_assert(!string_is_valid_nonrfc_hostname("-torproject.org"));
tt_assert(!string_is_valid_nonrfc_hostname("subdomain.-domain.org"));
tt_assert(!string_is_valid_nonrfc_hostname("-subdomain.domain.org"));
tt_assert(!string_is_valid_nonrfc_hostname("___abc.org"));
// Hostnames cannot contain non-alphanumeric characters.
tt_assert(!string_is_valid_nonrfc_hostname("%%domain.\\org."));
tt_assert(!string_is_valid_nonrfc_hostname("***x.net"));
tt_assert(!string_is_valid_nonrfc_hostname("\xff\xffxyz.org"));
tt_assert(!string_is_valid_nonrfc_hostname("word1 word2.net"));
// Test workaround for nytimes.com stupidity, technically invalid,
// but we allow it since they are big, even though they are failing to
// comply with a ~30 year old standard.
tt_assert(string_is_valid_nonrfc_hostname("core3_euw1.fabrik.nytimes.com"));
// Firefox passes FQDNs with trailing '.'s directly to the SOCKS proxy,
// which is redundant since the spec states DOMAINNAME addresses are fully
// qualified. While unusual, this should be tollerated.
tt_assert(string_is_valid_nonrfc_hostname("core9_euw1.fabrik.nytimes.com."));
tt_assert(!string_is_valid_nonrfc_hostname(
"..washingtonpost.is.better.com"));
tt_assert(!string_is_valid_nonrfc_hostname("so.is..ft.com"));
tt_assert(!string_is_valid_nonrfc_hostname("..."));
// XXX: do we allow single-label DNS names?
// We shouldn't for SOCKS (spec says "contains a fully-qualified domain name"
// but only test pathologically malformed traling '.' cases for now.
tt_assert(!string_is_valid_nonrfc_hostname("."));
tt_assert(!string_is_valid_nonrfc_hostname(".."));
// IP address strings are not hostnames.
tt_assert(!string_is_valid_nonrfc_hostname("8.8.8.8"));
tt_assert(!string_is_valid_nonrfc_hostname("[2a00:1450:401b:800::200e]"));
tt_assert(!string_is_valid_nonrfc_hostname("2a00:1450:401b:800::200e"));
// We allow alphanumeric TLDs. For discussion, see ticket #25055.
tt_assert(string_is_valid_nonrfc_hostname("lucky.13"));
tt_assert(string_is_valid_nonrfc_hostname("luck.y13"));
tt_assert(string_is_valid_nonrfc_hostname("luck.y13."));
// We allow punycode TLDs. For examples, see
// http://data.iana.org/TLD/tlds-alpha-by-domain.txt
tt_assert(string_is_valid_nonrfc_hostname("example.xn--l1acc"));
done:
return;
}
static void
test_util_ipv4_validation(void *arg)
{
(void)arg;
tt_assert(string_is_valid_ipv4_address("192.168.0.1"));
tt_assert(string_is_valid_ipv4_address("8.8.8.8"));
tt_assert(!string_is_valid_ipv4_address("abcd"));
tt_assert(!string_is_valid_ipv4_address("300.300.300.300"));
tt_assert(!string_is_valid_ipv4_address("8.8."));
done:
return;
}
static void
test_util_writepid(void *arg)
{
(void) arg;
char *contents = NULL;
const char *fname = get_fname("tmp_pid");
unsigned long pid;
char c;
write_pidfile(fname);
contents = read_file_to_str(fname, 0, NULL);
tt_assert(contents);
int n = tor_sscanf(contents, "%lu\n%c", &pid, &c);
tt_int_op(n, OP_EQ, 1);
#ifdef _WIN32
tt_uint_op(pid, OP_EQ, _getpid());
#else
tt_uint_op(pid, OP_EQ, getpid());
#endif
done:
tor_free(contents);
}
static void
test_util_get_avail_disk_space(void *arg)
{
(void) arg;
int64_t val;
/* No answer for nonexistent directory */
val = tor_get_avail_disk_space("/akljasdfklsajdklasjkldjsa");
tt_i64_op(val, OP_EQ, -1);
/* Try the current directory */
val = tor_get_avail_disk_space(".");
#if !defined(HAVE_STATVFS) && !defined(_WIN32)
tt_i64_op(val, OP_EQ, -1); /* You don't have an implementation for this */
#else
tt_i64_op(val, OP_GT, 0); /* You have some space. */
tt_i64_op(val, OP_LT, ((int64_t)1)<<56); /* You don't have a zebibyte */
#endif /* !defined(HAVE_STATVFS) && !defined(_WIN32) */
done:
;
}
static void
test_util_touch_file(void *arg)
{
(void) arg;
const char *fname = get_fname("touch");
const time_t now = time(NULL);
struct stat st;
write_bytes_to_file(fname, "abc", 3, 1);
tt_int_op(0, OP_EQ, stat(fname, &st));
/* A subtle point: the filesystem time is not necessarily equal to the
* system clock time, since one can be using a monotonic clock, or coarse
* monotonic clock, or whatever. So we might wind up with an mtime a few
* microseconds ago. Let's just give it a lot of wiggle room. */
tt_i64_op(st.st_mtime, OP_GE, now - 1);
const time_t five_sec_ago = now - 5;
struct utimbuf u = { five_sec_ago, five_sec_ago };
tt_int_op(0, OP_EQ, utime(fname, &u));
tt_int_op(0, OP_EQ, stat(fname, &st));
/* Let's hope that utime/stat give the same second as a round-trip? */
tt_i64_op(st.st_mtime, OP_EQ, five_sec_ago);
/* Finally we can touch the file */
tt_int_op(0, OP_EQ, touch_file(fname));
tt_int_op(0, OP_EQ, stat(fname, &st));
tt_i64_op(st.st_mtime, OP_GE, now-1);
done:
;
}
#ifndef _WIN32
static void
test_util_pwdb(void *arg)
{
(void) arg;
const struct passwd *me = NULL, *me2, *me3;
char *name = NULL;
char *dir = NULL;
/* Uncached case. */
/* Let's assume that we exist. */
me = tor_getpwuid(getuid());
tt_ptr_op(me, OP_NE, NULL);
name = tor_strdup(me->pw_name);
/* Uncached case */
me2 = tor_getpwnam(name);
tt_ptr_op(me2, OP_NE, NULL);
tt_int_op(me2->pw_uid, OP_EQ, getuid());
/* Cached case */
me3 = tor_getpwuid(getuid());
tt_ptr_op(me3, OP_NE, NULL);
tt_str_op(me3->pw_name, OP_EQ, name);
me3 = tor_getpwnam(name);
tt_ptr_op(me3, OP_NE, NULL);
tt_int_op(me3->pw_uid, OP_EQ, getuid());
dir = get_user_homedir(name);
tt_ptr_op(dir, OP_NE, NULL);
/* Try failing cases. First find a user that doesn't exist by name */
char randbytes[4];
char badname[9];
int i, found=0;
for (i = 0; i < 100; ++i) {
crypto_rand(randbytes, sizeof(randbytes));
base16_encode(badname, sizeof(badname), randbytes, sizeof(randbytes));
if (tor_getpwnam(badname) == NULL) {
found = 1;
break;
}
}
tt_assert(found);
tor_free(dir);
/* We should do a LOG_ERR */
setup_full_capture_of_logs(LOG_ERR);
dir = get_user_homedir(badname);
tt_ptr_op(dir, OP_EQ, NULL);
expect_log_msg_containing("not found");
tt_int_op(smartlist_len(mock_saved_logs()), OP_EQ, 1);
teardown_capture_of_logs();
/* Now try to find a user that doesn't exist by ID. */
found = 0;
for (i = 0; i < 1000; ++i) {
uid_t u;
crypto_rand((char*)&u, sizeof(u));
if (tor_getpwuid(u) == NULL) {
found = 1;
break;
}
}
tt_assert(found);
done:
tor_free(name);
tor_free(dir);
teardown_capture_of_logs();
}
#endif /* !defined(_WIN32) */
static void
test_util_calloc_check(void *arg)
{
(void) arg;
/* Easy cases that are good. */
tt_assert(size_mul_check(0,0));
tt_assert(size_mul_check(0,100));
tt_assert(size_mul_check(100,0));
tt_assert(size_mul_check(100,100));
/* Harder cases that are still good. */
tt_assert(size_mul_check(SIZE_MAX, 1));
tt_assert(size_mul_check(1, SIZE_MAX));
tt_assert(size_mul_check(SIZE_MAX / 10, 9));
tt_assert(size_mul_check(11, SIZE_MAX / 12));
const size_t sqrt_size_max_p1 = ((size_t)1) << (sizeof(size_t) * 4);
tt_assert(size_mul_check(sqrt_size_max_p1, sqrt_size_max_p1 - 1));
/* Cases that overflow */
tt_assert(! size_mul_check(SIZE_MAX, 2));
tt_assert(! size_mul_check(2, SIZE_MAX));
tt_assert(! size_mul_check(SIZE_MAX / 10, 11));
tt_assert(! size_mul_check(11, SIZE_MAX / 10));
tt_assert(! size_mul_check(SIZE_MAX / 8, 9));
tt_assert(! size_mul_check(sqrt_size_max_p1, sqrt_size_max_p1));
done:
;
}
static void
test_util_monotonic_time(void *arg)
{
(void)arg;
monotime_t mt1, mt2;
monotime_coarse_t mtc1, mtc2;
uint64_t nsec1, nsec2, usec1, msec1;
uint64_t nsecc1, nsecc2, usecc1, msecc1;
uint32_t stamp1, stamp2;
monotime_init();
monotime_get(&mt1);
monotime_coarse_get(&mtc1);
nsec1 = monotime_absolute_nsec();
usec1 = monotime_absolute_usec();
msec1 = monotime_absolute_msec();
nsecc1 = monotime_coarse_absolute_nsec();
usecc1 = monotime_coarse_absolute_usec();
msecc1 = monotime_coarse_absolute_msec();
stamp1 = monotime_coarse_to_stamp(&mtc1);
tor_sleep_msec(200);
monotime_get(&mt2);
monotime_coarse_get(&mtc2);
nsec2 = monotime_absolute_nsec();
nsecc2 = monotime_coarse_absolute_nsec();
stamp2 = monotime_coarse_to_stamp(&mtc2);
/* We need to be a little careful here since we don't know the system load.
*/
tt_i64_op(monotime_diff_msec(&mt1, &mt2), OP_GE, 175);
tt_i64_op(monotime_diff_msec(&mt1, &mt2), OP_LT, 1000);
tt_i64_op(monotime_coarse_diff_msec(&mtc1, &mtc2), OP_GE, 125);
tt_i64_op(monotime_coarse_diff_msec(&mtc1, &mtc2), OP_LT, 1000);
tt_u64_op(nsec2-nsec1, OP_GE, 175000000);
tt_u64_op(nsec2-nsec1, OP_LT, 1000000000);
tt_u64_op(nsecc2-nsecc1, OP_GE, 125000000);
tt_u64_op(nsecc2-nsecc1, OP_LT, 1000000000);
tt_u64_op(msec1, OP_GE, nsec1 / 1000000);
tt_u64_op(usec1, OP_GE, nsec1 / 1000);
tt_u64_op(msecc1, OP_GE, nsecc1 / 1000000);
tt_u64_op(usecc1, OP_GE, nsecc1 / 1000);
tt_u64_op(msec1, OP_LE, nsec1 / 1000000 + 10);
tt_u64_op(usec1, OP_LE, nsec1 / 1000 + 10000);
tt_u64_op(msecc1, OP_LE, nsecc1 / 1000000 + 10);
tt_u64_op(usecc1, OP_LE, nsecc1 / 1000 + 10000);
uint64_t coarse_stamp_diff =
monotime_coarse_stamp_units_to_approx_msec(stamp2-stamp1);
tt_u64_op(coarse_stamp_diff, OP_GE, 120);
tt_u64_op(coarse_stamp_diff, OP_LE, 1200);
{
uint64_t units = monotime_msec_to_approx_coarse_stamp_units(5000);
uint64_t ms = monotime_coarse_stamp_units_to_approx_msec(units);
tt_u64_op(ms, OP_GE, 4950);
tt_u64_op(ms, OP_LT, 5050);
}
done:
;
}
static void
test_util_monotonic_time_ratchet(void *arg)
{
(void)arg;
monotime_init();
monotime_reset_ratchets_for_testing();
/* win32, performance counter ratchet. */
tt_i64_op(100, OP_EQ, ratchet_performance_counter(100));
tt_i64_op(101, OP_EQ, ratchet_performance_counter(101));
tt_i64_op(2000, OP_EQ, ratchet_performance_counter(2000));
tt_i64_op(2000, OP_EQ, ratchet_performance_counter(100));
tt_i64_op(2005, OP_EQ, ratchet_performance_counter(105));
tt_i64_op(3005, OP_EQ, ratchet_performance_counter(1105));
tt_i64_op(3005, OP_EQ, ratchet_performance_counter(1000));
tt_i64_op(3010, OP_EQ, ratchet_performance_counter(1005));
/* win32, GetTickCounts32 ratchet-and-rollover-detector. */
const int64_t R = ((int64_t)1) << 32;
tt_i64_op(5, OP_EQ, ratchet_coarse_performance_counter(5));
tt_i64_op(1000, OP_EQ, ratchet_coarse_performance_counter(1000));
tt_i64_op(5+R, OP_EQ, ratchet_coarse_performance_counter(5));
tt_i64_op(10+R, OP_EQ, ratchet_coarse_performance_counter(10));
tt_i64_op(4+R*2, OP_EQ, ratchet_coarse_performance_counter(4));
/* gettimeofday regular ratchet. */
struct timeval tv_in = {0,0}, tv_out;
tv_in.tv_usec = 9000;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 9000);
tt_i64_op(tv_out.tv_sec, OP_EQ, 0);
tv_in.tv_sec = 1337;
tv_in.tv_usec = 0;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 0);
tt_i64_op(tv_out.tv_sec, OP_EQ, 1337);
tv_in.tv_sec = 1336;
tv_in.tv_usec = 500000;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 0);
tt_i64_op(tv_out.tv_sec, OP_EQ, 1337);
tv_in.tv_sec = 1337;
tv_in.tv_usec = 0;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 500000);
tt_i64_op(tv_out.tv_sec, OP_EQ, 1337);
tv_in.tv_sec = 1337;
tv_in.tv_usec = 600000;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 100000);
tt_i64_op(tv_out.tv_sec, OP_EQ, 1338);
tv_in.tv_sec = 1000;
tv_in.tv_usec = 1000;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 100000);
tt_i64_op(tv_out.tv_sec, OP_EQ, 1338);
tv_in.tv_sec = 2000;
tv_in.tv_usec = 2000;
ratchet_timeval(&tv_in, &tv_out);
tt_int_op(tv_out.tv_usec, OP_EQ, 101000);
tt_i64_op(tv_out.tv_sec, OP_EQ, 2338);
done:
;
}
static void
test_util_monotonic_time_zero(void *arg)
{
(void) arg;
monotime_t t1;
monotime_coarse_t ct1;
monotime_init();
/* Check 1: The current time is not zero. */
monotime_get(&t1);
monotime_coarse_get(&ct1);
tt_assert(!monotime_is_zero(&t1));
tt_assert(!monotime_coarse_is_zero(&ct1));
/* Check 2: The _zero() makes the time zero. */
monotime_zero(&t1);
monotime_coarse_zero(&ct1);
tt_assert(monotime_is_zero(&t1));
tt_assert(monotime_coarse_is_zero(&ct1));
done:
;
}
static void
test_util_monotonic_time_add_msec(void *arg)
{
(void) arg;
monotime_t t1, t2;
monotime_coarse_t ct1, ct2;
monotime_init();
monotime_get(&t1);
monotime_coarse_get(&ct1);
/* adding zero does nothing */
monotime_add_msec(&t2, &t1, 0);
monotime_coarse_add_msec(&ct2, &ct1, 0);
tt_i64_op(monotime_diff_msec(&t1, &t2), OP_EQ, 0);
tt_i64_op(monotime_coarse_diff_msec(&ct1, &ct2), OP_EQ, 0);
/* Add 1337 msec; see if the diff function agree */
monotime_add_msec(&t2, &t1, 1337);
monotime_coarse_add_msec(&ct2, &ct1, 1337);
tt_i64_op(monotime_diff_msec(&t1, &t2), OP_EQ, 1337);
tt_i64_op(monotime_coarse_diff_msec(&ct1, &ct2), OP_EQ, 1337);
// The 32-bit variant must be within 1% of the regular one.
tt_int_op(monotime_coarse_diff_msec32_(&ct1, &ct2), OP_GT, 1323);
tt_int_op(monotime_coarse_diff_msec32_(&ct1, &ct2), OP_LT, 1350);
/* Add 1337 msec twice more; make sure that any second rollover issues
* worked. */
monotime_add_msec(&t2, &t2, 1337);
monotime_coarse_add_msec(&ct2, &ct2, 1337);
monotime_add_msec(&t2, &t2, 1337);
monotime_coarse_add_msec(&ct2, &ct2, 1337);
tt_i64_op(monotime_diff_msec(&t1, &t2), OP_EQ, 1337*3);
tt_i64_op(monotime_coarse_diff_msec(&ct1, &ct2), OP_EQ, 1337*3);
tt_int_op(monotime_coarse_diff_msec32_(&ct1, &ct2), OP_GT, 3970);
tt_int_op(monotime_coarse_diff_msec32_(&ct1, &ct2), OP_LT, 4051);
done:
;
}
static void
test_util_nowrap_math(void *arg)
{
(void)arg;
tt_u64_op(0, OP_EQ, tor_add_u32_nowrap(0, 0));
tt_u64_op(1, OP_EQ, tor_add_u32_nowrap(0, 1));
tt_u64_op(1, OP_EQ, tor_add_u32_nowrap(1, 0));
tt_u64_op(4, OP_EQ, tor_add_u32_nowrap(2, 2));
tt_u64_op(UINT32_MAX, OP_EQ, tor_add_u32_nowrap(UINT32_MAX-1, 2));
tt_u64_op(UINT32_MAX, OP_EQ, tor_add_u32_nowrap(2, UINT32_MAX-1));
tt_u64_op(UINT32_MAX, OP_EQ, tor_add_u32_nowrap(UINT32_MAX, UINT32_MAX));
done:
;
}
static void
test_util_htonll(void *arg)
{
(void)arg;
#ifdef WORDS_BIGENDIAN
const uint64_t res_be = 0x8877665544332211;
#else
const uint64_t res_le = 0x1122334455667788;
#endif
tt_u64_op(0, OP_EQ, tor_htonll(0));
tt_u64_op(0, OP_EQ, tor_ntohll(0));
tt_u64_op(UINT64_MAX, OP_EQ, tor_htonll(UINT64_MAX));
tt_u64_op(UINT64_MAX, OP_EQ, tor_ntohll(UINT64_MAX));
#ifdef WORDS_BIGENDIAN
tt_u64_op(res_be, OP_EQ, tor_htonll(0x8877665544332211));
tt_u64_op(res_be, OP_EQ, tor_ntohll(0x8877665544332211));
#else
tt_u64_op(res_le, OP_EQ, tor_htonll(0x8877665544332211));
tt_u64_op(res_le, OP_EQ, tor_ntohll(0x8877665544332211));
#endif /* defined(WORDS_BIGENDIAN) */
done:
;
}
static void
test_util_get_unquoted_path(void *arg)
{
(void)arg;
char *r = NULL;
r = get_unquoted_path("\""); // "
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("\"\"\""); // """
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("\\\""); // \"
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("\\\"\\\""); // \"\"
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("A\\B\\C\""); // A\B\C"
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("\"A\\B\\C"); // "A\B\C
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("\"A\\B\"C\""); // "A\B"C"
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("A\\B\"C"); // A\B"C
tt_ptr_op(r, OP_EQ, NULL);
tor_free(r);
r = get_unquoted_path("");
tt_str_op(r, OP_EQ, "");
tor_free(r);
r = get_unquoted_path("\"\""); // ""
tt_str_op(r, OP_EQ, "");
tor_free(r);
r = get_unquoted_path("A\\B\\C"); // A\B\C
tt_str_op(r, OP_EQ, "A\\B\\C"); // A\B\C
tor_free(r);
r = get_unquoted_path("\"A\\B\\C\""); // "A\B\C"
tt_str_op(r, OP_EQ, "A\\B\\C"); // A\B\C
tor_free(r);
r = get_unquoted_path("\"\\\""); // "\"
tt_str_op(r, OP_EQ, "\\"); // \ /* comment to prevent line continuation */
tor_free(r);
r = get_unquoted_path("\"\\\"\""); // "\""
tt_str_op(r, OP_EQ, "\""); // "
tor_free(r);
r = get_unquoted_path("\"A\\B\\C\\\"\""); // "A\B\C\""
tt_str_op(r, OP_EQ, "A\\B\\C\""); // A\B\C"
tor_free(r);
r = get_unquoted_path("A\\B\\\"C"); // A\B\"C
tt_str_op(r, OP_EQ, "A\\B\"C"); // A\B"C
tor_free(r);
r = get_unquoted_path("\"A\\B\\\"C\""); // "A\B\"C"
tt_str_op(r, OP_EQ, "A\\B\"C"); // A\B"C
done:
tor_free(r);
}
#define UTIL_LEGACY(name) \
{ #name, test_util_ ## name , 0, NULL, NULL }
#define UTIL_TEST(name, flags) \
{ #name, test_util_ ## name, flags, NULL, NULL }
#define COMPRESS(name, identifier) \
{ "compress/" #name, test_util_compress, 0, &compress_setup, \
(char*)(identifier) }
#define COMPRESS_CONCAT(name, identifier) \
{ "compress_concat/" #name, test_util_decompress_concatenated, 0, \
&compress_setup, \
(char*)(identifier) }
#define COMPRESS_JUNK(name, identifier) \
{ "compress_junk/" #name, test_util_decompress_junk, 0, \
&compress_setup, \
(char*)(identifier) }
#define COMPRESS_DOS(name, identifier) \
{ "compress_dos/" #name, test_util_decompress_dos, 0, \
&compress_setup, \
(char*)(identifier) }
#ifdef _WIN32
#define UTIL_TEST_NO_WIN(n, f) { #n, NULL, TT_SKIP, NULL, NULL }
#define UTIL_TEST_WIN_ONLY(n, f) UTIL_TEST(n, (f))
#define UTIL_LEGACY_NO_WIN(n) UTIL_TEST_NO_WIN(n, 0)
#else
#define UTIL_TEST_NO_WIN(n, f) UTIL_TEST(n, (f))
#define UTIL_TEST_WIN_ONLY(n, f) { #n, NULL, TT_SKIP, NULL, NULL }
#define UTIL_LEGACY_NO_WIN(n) UTIL_LEGACY(n)
#endif /* defined(_WIN32) */
struct testcase_t util_tests[] = {
UTIL_LEGACY(time),
UTIL_TEST(parse_http_time, 0),
UTIL_LEGACY(config_line),
UTIL_LEGACY(config_line_quotes),
UTIL_LEGACY(config_line_comment_character),
UTIL_LEGACY(config_line_escaped_content),
UTIL_LEGACY(config_line_crlf),
UTIL_LEGACY_NO_WIN(expand_filename),
UTIL_LEGACY(escape_string_socks),
UTIL_LEGACY(string_is_key_value),
UTIL_LEGACY(strmisc),
UTIL_TEST(parse_integer, 0),
UTIL_LEGACY(pow2),
COMPRESS(zlib, "deflate"),
COMPRESS(gzip, "gzip"),
COMPRESS(lzma, "x-tor-lzma"),
COMPRESS(zstd, "x-zstd"),
COMPRESS(zstd_nostatic, "x-zstd:nostatic"),
COMPRESS(none, "identity"),
COMPRESS_CONCAT(zlib, "deflate"),
COMPRESS_CONCAT(gzip, "gzip"),
COMPRESS_CONCAT(lzma, "x-tor-lzma"),
COMPRESS_CONCAT(zstd, "x-zstd"),
COMPRESS_CONCAT(zstd_nostatic, "x-zstd:nostatic"),
COMPRESS_CONCAT(none, "identity"),
COMPRESS_JUNK(zlib, "deflate"),
COMPRESS_JUNK(gzip, "gzip"),
COMPRESS_JUNK(lzma, "x-tor-lzma"),
COMPRESS_DOS(zlib, "deflate"),
COMPRESS_DOS(gzip, "gzip"),
COMPRESS_DOS(lzma, "x-tor-lzma"),
COMPRESS_DOS(zstd, "x-zstd"),
COMPRESS_DOS(zstd_nostatic, "x-zstd:nostatic"),
UTIL_TEST(gzip_compression_bomb, TT_FORK),
UTIL_LEGACY(datadir),
UTIL_LEGACY(memarea),
UTIL_LEGACY(control_formats),
UTIL_LEGACY(mmap),
UTIL_TEST(sscanf, TT_FORK),
UTIL_LEGACY(format_time_interval),
UTIL_LEGACY(path_is_relative),
UTIL_LEGACY(strtok),
UTIL_LEGACY(di_ops),
UTIL_TEST(di_map, 0),
UTIL_TEST(round_to_next_multiple_of, 0),
UTIL_TEST(laplace, 0),
UTIL_TEST(clamp_double_to_int64, 0),
UTIL_TEST(find_str_at_start_of_line, 0),
UTIL_TEST(string_is_C_identifier, 0),
UTIL_TEST(asprintf, 0),
UTIL_TEST(listdir, 0),
UTIL_TEST(parent_dir, 0),
UTIL_TEST(ftruncate, 0),
UTIL_TEST(nowrap_math, 0),
UTIL_TEST(num_cpus, 0),
UTIL_TEST_WIN_ONLY(load_win_lib, 0),
UTIL_TEST_NO_WIN(exit_status, 0),
UTIL_TEST_NO_WIN(string_from_pipe, 0),
UTIL_TEST(format_hex_number, 0),
UTIL_TEST(format_dec_number, 0),
UTIL_TEST(join_win_cmdline, 0),
UTIL_TEST(split_lines, 0),
UTIL_TEST(n_bits_set, 0),
UTIL_TEST(eat_whitespace, 0),
UTIL_TEST(sl_new_from_text_lines, 0),
UTIL_TEST(envnames, 0),
UTIL_TEST(make_environment, 0),
UTIL_TEST(set_env_var_in_sl, 0),
UTIL_TEST(read_file_eof_tiny_limit, 0),
UTIL_TEST(read_file_eof_one_loop_a, 0),
UTIL_TEST(read_file_eof_one_loop_b, 0),
UTIL_TEST(read_file_eof_two_loops, 0),
UTIL_TEST(read_file_eof_two_loops_b, 0),
UTIL_TEST(read_file_eof_zero_bytes, 0),
UTIL_TEST(write_chunks_to_file, 0),
UTIL_TEST(mathlog, 0),
UTIL_TEST(fraction, 0),
UTIL_TEST(weak_random, 0),
{ "socket_ipv4", test_util_socket, TT_FORK, &passthrough_setup,
(void*)"4" },
{ "socket_ipv6", test_util_socket, TT_FORK,
&passthrough_setup, (void*)"6" },
{ "socketpair", test_util_socketpair, TT_FORK, &passthrough_setup,
(void*)"0" },
{ "socketpair_ersatz", test_util_socketpair, TT_FORK,
&passthrough_setup, (void*)"1" },
UTIL_TEST(max_mem, 0),
UTIL_TEST(hostname_validation, 0),
UTIL_TEST(dest_validation_edgecase, 0),
UTIL_TEST(ipv4_validation, 0),
UTIL_TEST(writepid, 0),
UTIL_TEST(get_avail_disk_space, 0),
UTIL_TEST(touch_file, 0),
UTIL_TEST_NO_WIN(pwdb, TT_FORK),
UTIL_TEST(calloc_check, 0),
UTIL_TEST(monotonic_time, 0),
UTIL_TEST(monotonic_time_ratchet, TT_FORK),
UTIL_TEST(monotonic_time_zero, 0),
UTIL_TEST(monotonic_time_add_msec, 0),
UTIL_TEST(htonll, 0),
UTIL_TEST(get_unquoted_path, 0),
END_OF_TESTCASES
};
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