1 files changed, 190 insertions, 0 deletions

diff --git a/src/lib/util/test_regex.c b/src/lib/util/test_regex.c
new file mode 100644
index 000000000..968828755
--- /dev/null
+++ b/src/lib/util/test_regex.c
@@ -0,0 +1,190 @@
+/*
+     This file is part of GNUnet
+     Copyright (C) 2012, 2013 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet 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
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @file tun/test_regex.c
+ * @brief simple test for regex.c iptoregex functions
+ * @author Maximilian Szengel
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+
+/**
+ * 'wildcard', matches all possible values (for HEX encoding).
+ */
+#define DOT "(0|1|2|3|4|5|6|7|8|9|A|B|C|D|E|F)"
+
+
+static int
+test_iptoregex (const char *ipv4,
+                uint16_t port,
+                const char *expectedv4,
+                const char *ipv6,
+                uint16_t port6,
+                const char *expectedv6)
+{
+  int error = 0;
+
+  struct in_addr a;
+  struct in6_addr b;
+  char rxv4[GNUNET_TUN_IPV4_REGEXLEN];
+  char rxv6[GNUNET_TUN_IPV6_REGEXLEN];
+
+  GNUNET_assert (1 == inet_pton (AF_INET, ipv4, &a));
+  GNUNET_TUN_ipv4toregexsearch (&a, port, rxv4);
+
+  if (0 != strcmp (rxv4, expectedv4))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected: %s but got: %s\n",
+                expectedv4,
+                rxv4);
+    error++;
+  }
+
+  GNUNET_assert (1 == inet_pton (AF_INET6, ipv6, &b));
+  GNUNET_TUN_ipv6toregexsearch (&b, port6, rxv6);
+  if (0 != strcmp (rxv6, expectedv6))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected: %s but got: %s\n",
+                expectedv6, rxv6);
+    error++;
+  }
+  return error;
+}
+
+
+static int
+test_policy4toregex (const char *policy,
+                     const char *regex)
+{
+  char *r;
+  int ret;
+
+  ret = 0;
+  r = GNUNET_TUN_ipv4policy2regex (policy);
+  if (NULL == r)
+  {
+    GNUNET_break (0);
+    return 1;
+  }
+  if (0 != strcmp (regex, r))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected: `%s' but got: `%s'\n",
+                regex, r);
+    ret = 2;
+  }
+  GNUNET_free (r);
+  return ret;
+}
+
+
+static int
+test_policy6toregex (const char *policy,
+                     const char *regex)
+{
+  char *r;
+  int ret;
+
+  ret = 0;
+  r = GNUNET_TUN_ipv6policy2regex (policy);
+  if (NULL == r)
+  {
+    GNUNET_break (0);
+    return 1;
+  }
+  if (0 != strcmp (regex, r))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected: `%s' but got: `%s'\n",
+                regex, r);
+    ret = 2;
+  }
+  GNUNET_free (r);
+  return ret;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int error;
+  char *r;
+
+  GNUNET_log_setup ("test-regex", "WARNING", NULL);
+  error = 0;
+
+  /* this is just a performance test ... */
+  r = GNUNET_TUN_ipv4policy2regex ("1.2.3.4/16:!25;");
+  GNUNET_break (NULL != r);
+  GNUNET_free (r);
+
+  error +=
+    test_iptoregex ("192.1.2.3", 2086,
+                    "4-0826-C0010203",
+                    "FFFF::1", 8080,
+                    "6-1F90-FFFF0000000000000000000000000001");
+  error +=
+    test_iptoregex ("187.238.255.0", 80,
+                    "4-0050-BBEEFF00",
+                    "E1E1:73F9:51BE::0", 49,
+                    "6-0031-E1E173F951BE00000000000000000000");
+  error +=
+    test_policy4toregex ("192.1.2.0/24:80;",
+                         "4-0050-C00102" DOT DOT);
+  error +=
+    test_policy4toregex ("192.1.0.0/16;",
+                         "4-" DOT DOT DOT DOT "-C001" DOT DOT DOT DOT);
+  error +=
+    test_policy4toregex ("192.1.0.0/16:80-81;",
+                         "4-(0050|0051)-C001" DOT DOT DOT DOT);
+  error +=
+    test_policy4toregex ("192.1.0.0/8:!3-65535;",
+                         "4-000(0|1|2)-C0" DOT DOT DOT DOT DOT DOT);
+  error +=
+    test_policy4toregex ("192.1.0.0/8:!25-56;",
+                         "4-(0(0(0"DOT
+                         "|1(0|1|2|3|4|5|6|7|8)|3(9|A|B|C|D|E|F)|(4|5|6|7|8|9|A|B|C|D|E|F)"DOT
+                         ")|(1|2|3|4|5|6|7|8|9|A|B|C|D|E|F)"DOT DOT
+                         ")|(1|2|3|4|5|6|7|8|9|A|B|C|D|E|F)"DOT DOT
+                         DOT ")-C0"DOT DOT DOT DOT DOT DOT);
+  error +=
+    test_policy6toregex ("E1E1::1;",
+                         "6-"DOT DOT DOT
+                         DOT "-E1E10000000000000000000000000001");
+  error +=
+    test_policy6toregex ("E1E1:ABCD::1/120;",
+                         "6-"DOT DOT DOT
+                         DOT "-E1E1ABCD0000000000000000000000" DOT DOT);
+  error +=
+    test_policy6toregex ("E1E1:ABCD::ABCD/126;",
+                         "6-"DOT DOT DOT
+                         DOT "-E1E1ABCD00000000000000000000ABC(C|D|E|F)");
+  error +=
+    test_policy6toregex ("E1E1:ABCD::ABCD/127;",
+                         "6-"DOT DOT DOT
+                         DOT "-E1E1ABCD00000000000000000000ABC(C|D)");
+  error +=
+    test_policy6toregex ("E1E1:ABCD::ABCD/128:80;",
+                         "6-0050-E1E1ABCD00000000000000000000ABCD");
+  return error;
+}