lib-dcrypt: test-stream - Try read invalid stream

Test that reading stream with correct magic but invalid
data fails correctly.

diff --git a/src/lib-dcrypt/test-stream.c b/src/lib-dcrypt/test-stream.c
index 8c1a98528bd15450036e117d5df8508130b8ef77..b067e61c324dbb6658e8b3f4f993b4312c28f33d 100644 (file)
--- a/src/lib-dcrypt/test-stream.c
+++ b/src/lib-dcrypt/test-stream.c
@@ -590,6 +590,24 @@ static void test_read_increment(void)
         test_end();
 }
 
+static void test_read_garbage(void)
+{
+       test_begin("test_read_garbage");
+       unsigned char buf[512];
+       for (int i = 0; i < 5; i++) {
+               memcpy(buf, IOSTREAM_CRYPT_MAGIC, sizeof(IOSTREAM_CRYPT_MAGIC));
+               random_fill(buf + 9, sizeof(buf) - 9);
+               struct istream *is = test_istream_create_data(buf, sizeof(buf));
+               struct istream *ds = i_stream_create_decrypt_callback(is,
+                                       no_op_cb, NULL);
+               i_stream_unref(&is);
+               test_assert(i_stream_read(ds) == -1);
+               test_assert(ds->stream_errno == EIO);
+               i_stream_unref(&ds);
+       }
+       test_end();
+}
+
 static void test_free_keys()
 {
        dcrypt_key_unref_private(&test_v1_kp.priv);
@@ -632,6 +650,7 @@ int main(void)
                test_free_keys,
                test_read_0_to_400_byte_garbage,
                test_read_large_header,
+               test_read_garbage,
                NULL
        };