int
fuzz_matches_original(struct fuzz *fuzz)
{
if (fuzz_len(fuzz) != fuzz->slen)
return 0;
return memcmp(fuzz_ptr(fuzz), fuzz->seed, fuzz->slen) == 0;
}
static void
public_fuzz(struct sshkey *k)
{
struct sshkey *k1;
struct sshbuf *buf;
struct fuzz *fuzz;
ASSERT_PTR_NE(buf = sshbuf_new(), NULL);
ASSERT_INT_EQ(sshkey_to_blob_buf(k, buf), 0);
/* XXX need a way to run the tests in "slow, but complete" mode */
fuzz = fuzz_begin(FUZZ_1_BIT_FLIP | /* XXX too slow FUZZ_2_BIT_FLIP | */
FUZZ_1_BYTE_FLIP | /* XXX too slow FUZZ_2_BYTE_FLIP | */
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END,
sshbuf_mutable_ptr(buf), sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(buf), sshbuf_len(buf),
&k1), 0);
sshkey_free(k1);
sshbuf_free(buf);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
if (sshkey_from_blob(fuzz_ptr(fuzz), fuzz_len(fuzz), &k1) == 0)
sshkey_free(k1);
}
fuzz_cleanup(fuzz);
}
static void
sig_fuzz(struct sshkey *k, const char *sig_alg)
{
struct fuzz *fuzz;
u_char *sig, c[] = "some junk to be signed";
size_t l;
u_int fuzzers = FUZZ_1_BIT_FLIP | FUZZ_1_BYTE_FLIP | FUZZ_2_BYTE_FLIP |
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END;
if (test_is_fast())
fuzzers &= ~FUZZ_2_BYTE_FLIP;
if (test_is_slow())
fuzzers |= FUZZ_2_BIT_FLIP;
ASSERT_INT_EQ(sshkey_sign(k, &sig, &l, c, sizeof(c), sig_alg, 0), 0);
ASSERT_SIZE_T_GT(l, 0);
fuzz = fuzz_begin(fuzzers, sig, l);
ASSERT_INT_EQ(sshkey_verify(k, sig, l, c, sizeof(c), NULL, 0), 0);
free(sig);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
/* Ensure 1-bit difference at least */
if (fuzz_matches_original(fuzz))
continue;
ASSERT_INT_NE(sshkey_verify(k, fuzz_ptr(fuzz), fuzz_len(fuzz),
c, sizeof(c), NULL, 0), 0);
}
fuzz_cleanup(fuzz);
}
static void
public_fuzz(struct sshkey *k)
{
struct sshkey *k1;
struct sshbuf *buf;
struct fuzz *fuzz;
u_int fuzzers = FUZZ_1_BIT_FLIP | FUZZ_1_BYTE_FLIP |
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END;
if (test_is_fast())
fuzzers &= ~FUZZ_1_BIT_FLIP;
if (test_is_slow())
fuzzers |= FUZZ_2_BIT_FLIP | FUZZ_2_BYTE_FLIP;
ASSERT_PTR_NE(buf = sshbuf_new(), NULL);
ASSERT_INT_EQ(sshkey_putb(k, buf), 0);
fuzz = fuzz_begin(fuzzers, sshbuf_mutable_ptr(buf), sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(buf), sshbuf_len(buf),
&k1), 0);
sshkey_free(k1);
sshbuf_free(buf);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
if (sshkey_from_blob(fuzz_ptr(fuzz), fuzz_len(fuzz), &k1) == 0)
sshkey_free(k1);
}
fuzz_cleanup(fuzz);
}
void
fuzz_dump(struct fuzz *fuzz)
{
char buf[256];
if (fuzz_fmt(fuzz, buf, sizeof(buf)) != 0) {
fprintf(stderr, "%s: fuzz invalid\n", __func__);
abort();
}
fputs(buf, stderr);
fprintf(stderr, "fuzz original %p len = %zu\n", fuzz->seed, fuzz->slen);
dump(fuzz->seed, fuzz->slen);
fprintf(stderr, "fuzz context %p len = %zu\n", fuzz, fuzz_len(fuzz));
dump(fuzz_ptr(fuzz), fuzz_len(fuzz));
}
static void
sig_fuzz(struct sshkey *k)
{
struct fuzz *fuzz;
u_char *sig, c[] = "some junk to be signed";
size_t l;
ASSERT_INT_EQ(sshkey_sign(k, &sig, &l, c, sizeof(c), 0), 0);
ASSERT_SIZE_T_GT(l, 0);
fuzz = fuzz_begin(FUZZ_1_BIT_FLIP | /* too slow FUZZ_2_BIT_FLIP | */
FUZZ_1_BYTE_FLIP | FUZZ_2_BYTE_FLIP |
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END, sig, l);
ASSERT_INT_EQ(sshkey_verify(k, sig, l, c, sizeof(c), 0), 0);
free(sig);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
sshkey_verify(k, fuzz_ptr(fuzz), fuzz_len(fuzz),
c, sizeof(c), 0);
}
fuzz_cleanup(fuzz);
}
void
fuzz_dump(struct fuzz *fuzz)
{
u_char *p = fuzz_ptr(fuzz);
size_t i, j, len = fuzz_len(fuzz);
switch (fuzz->strategy) {
case FUZZ_1_BIT_FLIP:
fprintf(stderr, "%s case %zu of %zu (bit: %zu)\n",
fuzz_ntop(fuzz->strategy),
fuzz->o1, fuzz->slen * 8, fuzz->o1);
break;
case FUZZ_2_BIT_FLIP:
fprintf(stderr, "%s case %llu of %llu (bits: %zu, %zu)\n",
fuzz_ntop(fuzz->strategy),
(((fuzz_ullong)fuzz->o2) * fuzz->slen * 8) + fuzz->o1,
((fuzz_ullong)fuzz->slen * 8) * fuzz->slen * 8,
fuzz->o1, fuzz->o2);
break;
case FUZZ_1_BYTE_FLIP:
fprintf(stderr, "%s case %zu of %zu (byte: %zu)\n",
fuzz_ntop(fuzz->strategy),
fuzz->o1, fuzz->slen, fuzz->o1);
break;
case FUZZ_2_BYTE_FLIP:
fprintf(stderr, "%s case %llu of %llu (bytes: %zu, %zu)\n",
fuzz_ntop(fuzz->strategy),
(((fuzz_ullong)fuzz->o2) * fuzz->slen) + fuzz->o1,
((fuzz_ullong)fuzz->slen) * fuzz->slen,
fuzz->o1, fuzz->o2);
break;
case FUZZ_TRUNCATE_START:
fprintf(stderr, "%s case %zu of %zu (offset: %zu)\n",
fuzz_ntop(fuzz->strategy),
fuzz->o1, fuzz->slen, fuzz->o1);
break;
case FUZZ_TRUNCATE_END:
fprintf(stderr, "%s case %zu of %zu (offset: %zu)\n",
fuzz_ntop(fuzz->strategy),
fuzz->o1, fuzz->slen, fuzz->o1);
break;
case FUZZ_BASE64:
assert(fuzz->o2 < sizeof(fuzz_b64chars) - 1);
fprintf(stderr, "%s case %llu of %llu (offset: %zu char: %c)\n",
fuzz_ntop(fuzz->strategy),
(fuzz->o1 * (fuzz_ullong)64) + fuzz->o2,
fuzz->slen * (fuzz_ullong)64, fuzz->o1,
fuzz_b64chars[fuzz->o2]);
break;
default:
abort();
}
fprintf(stderr, "fuzz context %p len = %zu\n", fuzz, len);
for (i = 0; i < len; i += 16) {
fprintf(stderr, "%.4zd: ", i);
for (j = i; j < i + 16; j++) {
if (j < len)
fprintf(stderr, "%02x ", p[j]);
else
fprintf(stderr, " ");
}
fprintf(stderr, " ");
for (j = i; j < i + 16; j++) {
if (j < len) {
if (isascii(p[j]) && isprint(p[j]))
fprintf(stderr, "%c", p[j]);
else
fprintf(stderr, ".");
}
}
fprintf(stderr, "\n");
}
}
void
sshkey_fuzz_tests(void)
{
struct sshkey *k1;
struct sshbuf *buf, *fuzzed;
struct fuzz *fuzz;
int r;
TEST_START("fuzz RSA1 private");
buf = load_file("rsa1_1");
fuzz = fuzz_begin(FUZZ_1_BIT_FLIP | FUZZ_1_BYTE_FLIP |
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END,
sshbuf_mutable_ptr(buf), sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA1 public");
buf = load_file("rsa1_1_pw");
fuzz = fuzz_begin(FUZZ_1_BIT_FLIP | FUZZ_1_BYTE_FLIP |
FUZZ_TRUNCATE_START | FUZZ_TRUNCATE_END,
sshbuf_mutable_ptr(buf), sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_public_rsa1_fileblob(buf, &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_public_rsa1_fileblob(fuzzed, &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA private");
buf = load_file("rsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA new-format private");
buf = load_file("rsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz DSA private");
buf = load_file("dsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz DSA new-format private");
buf = load_file("dsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA private");
buf = load_file("ecdsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz ECDSA new-format private");
buf = load_file("ecdsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 private");
buf = load_file("ed25519_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", "key",
&k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA public");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA public");
buf = load_file("dsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("dsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA public");
buf = load_file("ecdsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz ECDSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("ecdsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 public");
buf = load_file("ed25519_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz Ed25519 cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("ed25519_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA sig");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA sig");
buf = load_file("dsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA sig");
buf = load_file("ecdsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 sig");
buf = load_file("ed25519_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", "key",
&k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
/* XXX fuzz decoded new-format blobs too */
}
void
sshkey_fuzz_tests(void)
{
struct sshkey *k1;
struct sshbuf *buf, *fuzzed;
struct fuzz *fuzz;
int r, i;
TEST_START("fuzz RSA private");
buf = load_file("rsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA new-format private");
buf = load_file("rsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz DSA private");
buf = load_file("dsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz DSA new-format private");
buf = load_file("dsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA private");
buf = load_file("ecdsa_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz ECDSA new-format private");
buf = load_file("ecdsa_n");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 private");
buf = load_file("ed25519_1");
fuzz = fuzz_begin(FUZZ_BASE64, sshbuf_mutable_ptr(buf),
sshbuf_len(buf));
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshkey_free(k1);
sshbuf_free(buf);
ASSERT_PTR_NE(fuzzed = sshbuf_new(), NULL);
TEST_ONERROR(onerror, fuzz);
for(i = 0; !fuzz_done(fuzz); i++, fuzz_next(fuzz)) {
r = sshbuf_put(fuzzed, fuzz_ptr(fuzz), fuzz_len(fuzz));
ASSERT_INT_EQ(r, 0);
if (sshkey_parse_private_fileblob(fuzzed, "", &k1, NULL) == 0)
sshkey_free(k1);
sshbuf_reset(fuzzed);
if (test_is_fast() && i >= NUM_FAST_BASE64_TESTS)
break;
}
sshbuf_free(fuzzed);
fuzz_cleanup(fuzz);
TEST_DONE();
TEST_START("fuzz RSA public");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA public");
buf = load_file("dsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("dsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA public");
buf = load_file("ecdsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz ECDSA cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("ecdsa_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 public");
buf = load_file("ed25519_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz Ed25519 cert");
ASSERT_INT_EQ(sshkey_load_cert(test_data_file("ed25519_1"), &k1), 0);
public_fuzz(k1);
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA sig");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, "ssh-rsa");
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA SHA256 sig");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, "rsa-sha2-256");
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz RSA SHA512 sig");
buf = load_file("rsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, "rsa-sha2-512");
sshkey_free(k1);
TEST_DONE();
TEST_START("fuzz DSA sig");
buf = load_file("dsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, NULL);
sshkey_free(k1);
TEST_DONE();
#ifdef OPENSSL_HAS_ECC
TEST_START("fuzz ECDSA sig");
buf = load_file("ecdsa_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, NULL);
sshkey_free(k1);
TEST_DONE();
#endif
TEST_START("fuzz Ed25519 sig");
buf = load_file("ed25519_1");
ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0);
sshbuf_free(buf);
sig_fuzz(k1, NULL);
sshkey_free(k1);
TEST_DONE();
/* XXX fuzz decoded new-format blobs too */
}