test: add keys unit test

diff --git a/test/unit/keys.c b/test/unit/keys.c
new file mode 100644 (file)
index 0000000..9743b03
--- /dev/null
+++ b/test/unit/keys.c
@@ -0,0 +1,147 @@
+/*
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2017
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+ */
+
+#include <keys.c>
+#include "test.h"
+
+#define KEYS 100
+#define KEYFILE "keys.test-keys"
+
+static
+uint32_t write_random_key(FILE *f)
+{
+  const char *hash_name;
+  char key[128];
+  uint32_t id;
+  int i, length;
+
+  length = random() % sizeof (key) + 1;
+  length = MAX(length, 4);
+  UTI_GetRandomBytes(&id, sizeof (id));
+  UTI_GetRandomBytes(key, length);
+
+  switch (random() % 6) {
+#ifdef FEAT_SECHASH
+    case 0:
+      hash_name = "SHA1";
+      break;
+    case 1:
+      hash_name = "SHA256";
+      break;
+    case 2:
+      hash_name = "SHA384";
+      break;
+    case 3:
+      hash_name = "SHA512";
+      break;
+#endif
+    case 4:
+      hash_name = "MD5";
+      break;
+    default:
+      hash_name = "";
+  }
+
+  fprintf(f, "%u %s %s", id, hash_name, random() % 2 ? "HEX:" : "");
+  for (i = 0; i < length; i++)
+    fprintf(f, "%02hhX", key[i]);
+  fprintf(f, "\n");
+
+  return id;
+}
+
+static void
+generate_key_file(const char *name, uint32_t *keys)
+{
+  FILE *f;
+  int i;
+
+  f = fopen(name, "w");
+  TEST_CHECK(f);
+  for (i = 0; i < KEYS; i++)
+    keys[i] = write_random_key(f);
+  fclose(f);
+}
+
+void
+test_unit(void)
+{
+  int i, j, data_len, auth_len;
+  uint32_t keys[KEYS], key;
+  unsigned char data[100], auth[MAX_HASH_LENGTH];
+  char conf[][100] = {
+    "keyfile "KEYFILE
+  };
+
+  CNF_Initialise(0);
+  for (i = 0; i < sizeof conf / sizeof conf[0]; i++)
+    CNF_ParseLine(NULL, i + 1, conf[i]);
+
+  generate_key_file(KEYFILE, keys);
+  KEY_Initialise();
+
+  for (i = 0; i < 100; i++) {
+    DEBUG_LOG(0, "iteration %d", i);
+
+    if (i) {
+      generate_key_file(KEYFILE, keys);
+      KEY_Reload();
+    }
+
+    UTI_GetRandomBytes(data, sizeof (data));
+
+    for (j = 0; j < KEYS; j++) {
+      TEST_CHECK(KEY_KeyKnown(keys[j]));
+      TEST_CHECK(KEY_GetAuthDelay(keys[j]) >= 0);
+      TEST_CHECK(KEY_GetAuthLength(keys[j]) >= 16);
+
+      data_len = random() % (sizeof (data) + 1);
+      auth_len = KEY_GenerateAuth(keys[j], data, data_len, auth, sizeof (auth));
+      TEST_CHECK(auth_len >= 16);
+
+      TEST_CHECK(KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
+
+      if (j > 0 && keys[j - 1] != keys[j])
+        TEST_CHECK(!KEY_CheckAuth(keys[j - 1], data, data_len, auth, auth_len, auth_len));
+
+      auth_len = random() % auth_len + 1;
+      if (auth_len < MAX_HASH_LENGTH)
+        auth[auth_len]++;
+      TEST_CHECK(KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
+
+      auth[auth_len - 1]++;
+      TEST_CHECK(!KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
+    }
+
+    for (j = 0; j < 1000; j++) {
+      UTI_GetRandomBytes(&key, sizeof (key));
+      if (KEY_KeyKnown(key))
+        continue;
+      TEST_CHECK(!KEY_GenerateAuth(j, data, data_len, auth, sizeof (auth)));
+      TEST_CHECK(!KEY_CheckAuth(j, data, data_len, auth, auth_len, auth_len));
+    }
+  }
+
+  unlink(KEYFILE);
+
+  KEY_Finalise();
+  CNF_Finalise();
+  HSH_Finalise();
+}