static void
test_entropy_source(void *arg)
{
struct entropy_source_test_data *d = arg;
u8 buf[ENTROPY_CHUNK * 2];
int n;
unsigned flags;
if (d->fn == NULL)
tt_skip();
memset(buf, 0, sizeof(buf));
n = d->fn(buf, &flags);
if (n == -2)
tt_skip();
if (n == -1 && d->is_iffy)
tt_skip();
tt_int_op(n, ==, ENTROPY_CHUNK);
tt_assert(!iszero(buf, ENTROPY_CHUNK));
tt_assert(iszero(buf + ENTROPY_CHUNK, ENTROPY_CHUNK));
end:
;
}
static void
test_crypto_rng_strongest(void *arg)
{
const char *how = arg;
int broken = 0;
if (how == NULL) {
;
} else if (!strcmp(how, "nosyscall")) {
break_strongest_rng_syscall = 1;
} else if (!strcmp(how, "nofallback")) {
break_strongest_rng_fallback = 1;
} else if (!strcmp(how, "broken")) {
broken = break_strongest_rng_syscall = break_strongest_rng_fallback = 1;
}
#define N 128
uint8_t combine_and[N];
uint8_t combine_or[N];
int i, j;
memset(combine_and, 0xff, N);
memset(combine_or, 0, N);
for (i = 0; i < 100; ++i) { /* 2^-100 chances just don't happen. */
uint8_t output[N];
memset(output, 0, N);
if (how == NULL) {
/* this one can't fail. */
crypto_strongest_rand(output, sizeof(output));
} else {
int r = crypto_strongest_rand_raw(output, sizeof(output));
if (r == -1) {
if (broken) {
goto done; /* we're fine. */
}
/* This function is allowed to break, but only if it always breaks. */
tt_int_op(i, OP_EQ, 0);
tt_skip();
} else {
tt_assert(! broken);
}
}
for (j = 0; j < N; ++j) {
combine_and[j] &= output[j];
combine_or[j] |= output[j];
}
}
for (j = 0; j < N; ++j) {
tt_int_op(combine_and[j], OP_EQ, 0);
tt_int_op(combine_or[j], OP_EQ, 0xff);
}
done:
;
#undef N
}
static void
dns_gethostbyname6(void)
{
dns_ok = 0;
evdns_resolve_ipv6("www.ietf.org", 0, dns_gethostbyname_cb, NULL);
event_dispatch();
if (!dns_ok && dns_err == DNS_ERR_TIMEOUT) {
tt_skip();
}
tt_int_op(dns_ok, ==, DNS_IPv6_AAAA);
test_ok = 1;
end:
;
}
static void
test_crypto_scrypt_vectors(void *arg)
{
char *mem_op_hex_tmp = NULL;
uint8_t spec[64], out[64];
(void)arg;
#ifndef HAVE_LIBSCRYPT_H
if (1)
tt_skip();
#endif
/* Test vectors from
http://tools.ietf.org/html/draft-josefsson-scrypt-kdf-00 section 11.
Note that the names of 'r' and 'N' are switched in that section. Or
possibly in libscrypt.
*/
base16_decode((char*)spec, sizeof(spec),
"0400", 4);
memset(out, 0x00, sizeof(out));
tt_int_op(64, OP_EQ,
secret_to_key_compute_key(out, 64, spec, 2, "", 0, 2));
test_memeq_hex(out,
"77d6576238657b203b19ca42c18a0497"
"f16b4844e3074ae8dfdffa3fede21442"
"fcd0069ded0948f8326a753a0fc81f17"
"e8d3e0fb2e0d3628cf35e20c38d18906");
base16_decode((char*)spec, sizeof(spec),
"4e61436c" "0A34", 12);
memset(out, 0x00, sizeof(out));
tt_int_op(64, OP_EQ,
secret_to_key_compute_key(out, 64, spec, 6, "password", 8, 2));
test_memeq_hex(out,
"fdbabe1c9d3472007856e7190d01e9fe"
"7c6ad7cbc8237830e77376634b373162"
"2eaf30d92e22a3886ff109279d9830da"
"c727afb94a83ee6d8360cbdfa2cc0640");
base16_decode((char*)spec, sizeof(spec),
"536f6469756d43686c6f72696465" "0e30", 32);
memset(out, 0x00, sizeof(out));
tt_int_op(64, OP_EQ,
secret_to_key_compute_key(out, 64, spec, 16,
"pleaseletmein", 13, 2));
test_memeq_hex(out,
"7023bdcb3afd7348461c06cd81fd38eb"
"fda8fbba904f8e3ea9b543f6545da1f2"
"d5432955613f0fcf62d49705242a9af9"
"e61e85dc0d651e40dfcf017b45575887");
base16_decode((char*)spec, sizeof(spec),
"536f6469756d43686c6f72696465" "1430", 32);
memset(out, 0x00, sizeof(out));
tt_int_op(64, OP_EQ,
secret_to_key_compute_key(out, 64, spec, 16,
"pleaseletmein", 13, 2));
test_memeq_hex(out,
"2101cb9b6a511aaeaddbbe09cf70f881"
"ec568d574a2ffd4dabe5ee9820adaa47"
"8e56fd8f4ba5d09ffa1c6d927c40f4c3"
"37304049e8a952fbcbf45c6fa77a41a4");
done:
tor_free(mem_op_hex_tmp);
}
void
test_km_readline_realloc (void *ptr)
{
char *lorem_fn = NULL;
char *buf = NULL;
char *smallbuf = NULL;
const size_t smallbuf_len = 1<<4;
FILE *fp = NULL;
ssize_t ret = 0;
size_t line_num;
char *nulcp = NULL;
FILE *nulfp = NULL;
char *tmpcp = NULL;
size_t tmpsz = 0;
size_t our_bufsize = bufsize;
size_t our_smallbuf_len = smallbuf_len;
km_test_err = 0;
/* This should always work, so long as you run it from the right dir */
lorem_fn = get_test_filename("loremipsum.txt");
if (lorem_fn == NULL)
tt_abort_msg("Broken test - get_test_filename failed\n");
if ((fp = fopen(lorem_fn, "r")) == NULL) {
fprintf(stderr, "Could not open test file '%s' -- %s\n",
lorem_fn, strerror(errno));
tt_skip();
} else {
buf = calloc(our_bufsize, sizeof(*buf));
smallbuf = calloc(our_smallbuf_len, sizeof(*smallbuf));
}
for (line_num = 0; line_num < n_loremipsum_lines; line_num++) {
ret = km_readline_realloc(&buf, fp, &our_bufsize, &test_err_handler);
tt_int_op(km_test_err, ==, 0);
tt_int_op(strncmp(buf, loremipsum_lines[line_num], our_bufsize), ==, 0);
tt_int_op(strlen(buf), ==, loremipsum_line_lens[line_num]);
tt_int_op(ret, ==, loremipsum_line_lens[line_num]);
tt_int_op(our_bufsize, ==, bufsize);
km_test_err = 0;
}
ret = km_readline_realloc(&buf, fp, &our_bufsize, &test_err_handler);
tt_int_op(km_test_err, ==, 0);
/* check it leaves \0 in buf */
tt_int_op(strncmp(buf, "", our_bufsize), ==, 0);
tt_int_op(strlen(buf), ==, 0);
tt_int_op(ret, ==, EOF);
tt_int_op(our_bufsize, ==, bufsize);
km_test_err = 0;
/* Naughty tests that try and make it fail */
rewind(fp);
/* Null buf */
ret = km_readline_realloc(&nulcp, fp, &our_bufsize, &test_err_handler);
tt_int_op(km_test_err, ==, 3);
tt_int_op(ret, ==, -2);
tt_int_op(our_bufsize, ==, bufsize);
km_test_err = 0;
/* Null fp */
ret = km_readline_realloc(&buf, nulfp, &our_bufsize, &test_err_handler);
tt_int_op(km_test_err, ==, 3);
tt_int_op(ret, ==, -2);
tt_int_op(our_bufsize, ==, bufsize);
km_test_err = 0;
/* Both buf & fp null */
ret = km_readline_realloc(&nulcp, nulfp, &our_bufsize, &test_err_handler);
tt_int_op(km_test_err, ==, 3);
tt_int_op(ret, ==, -2);
tt_int_op(our_bufsize, ==, bufsize);
km_test_err = 0;
/* Test that should require it to resize the buffer */
rewind(fp);
ret = km_readline_realloc(&smallbuf, fp, &our_smallbuf_len,
&test_err_handler);
tt_int_op(km_test_err, ==, 0);
tt_int_op(ret, ==, loremipsum_line_lens[0]);
tt_int_op(strlen(smallbuf), ==, loremipsum_line_lens[0]);
tmpsz = loremipsum_line_lens[0];
tt_int_op(our_smallbuf_len, ==, kmroundupz(tmpsz));
end:
if (lorem_fn != NULL) free(lorem_fn);
if (buf != NULL) free(buf);
if (smallbuf != NULL) free(smallbuf);
if (fp != NULL) fclose(fp);
}