exchange

commit db47b512c1e56bc44c1dc0ecaeda1852d6a28d19
parent 813e29a6d31e17ba0b718c5ab12b4c3c14d989a6
Author: Christian Grothoff <christian@grothoff.org>
Date:   Tue,  4 Aug 2026 22:23:10 +0200

forgotten file

Diffstat:
A
src/util/test_slug.c
 | 
132
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 132 insertions(+), 0 deletions(-)
diff --git a/src/util/test_slug.c b/src/util/test_slug.c
@@ -0,0 +1,132 @@
+/*
+  This file is part of TALER
+  (C) 2026 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER 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
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file util/test_slug.c
+ * @brief Tests for slug and session ID validation
+ * @author Christian Grothoff
+ */
+#include "taler/taler_util.h"
+
+
+static unsigned int
+check_slug (void)
+{
+  struct
+  {
+    const char *slug;
+    bool expected;
+  } tests[] = {
+    /* Valid slugs */
+    {"a", true},
+    {"instance-1", true},
+    {"2026.216-EV3XB88000000", true},
+    {"A.b_c:d~e", true},
+    {"0123456789", true},
+    {"...", true},
+
+    /* Invalid slugs */
+    {"", false},                                 /* empty */
+    {".", false},                                /* special path component */
+    {"..", false},                               /* special path component */
+    {"a/b", false},                              /* not a single component */
+    {"a%2Fb", false},                            /* percent-encoding */
+    {"a b", false},
+    {"a+b", false},
+    {"a=b", false},                              /* '=' is only for session IDs */
+    {"a?b", false},
+    {"a#b", false},
+    {"a&b", false},
+    {"a@b", false},
+  };
+  unsigned int failed = 0;
+
+  for (unsigned int i = 0; i<sizeof (tests) / sizeof (tests[0]); i++)
+  {
+    bool result = TALER_is_slug (tests[i].slug);
+
+    if (result == tests[i].expected)
+      continue;
+    failed++;
+    fprintf (stderr,
+             "FAIL: slug \"%s\" -> %s (expected %s)\n",
+             tests[i].slug,
+             result ? "VALID" : "INVALID",
+             tests[i].expected ? "VALID" : "INVALID");
+  }
+  return failed;
+}
+
+
+static unsigned int
+check_session_id (void)
+{
+  struct
+  {
+    const char *session_id;
+    bool expected;
+  } tests[] = {
+    /* Valid session IDs */
+    {"", true},                                  /* not session-bound */
+    {"session-1", true},
+    {"4322-6hvIP7UnmNDVjp5Intuf9jFK7MzW0ycEyxf5Mszl3xs=", true},  /* Paivana ID */
+    {"a", true},
+    {"A.b_c:d~e=", true},
+    {"0123456789", true},
+    {"...", true},
+
+    /* Invalid session IDs */
+    {".", false},                                /* special path component */
+    {"..", false},                               /* special path component */
+    {"a/b", false},                              /* not a single component */
+    {"a%2Fb", false},                            /* percent-encoding */
+    {"a b", false},
+    {"a+b", false},
+    {"a?b", false},
+    {"a#b", false},
+    {"a&b", false},
+    {"a@b", false},
+  };
+  unsigned int failed = 0;
+
+  for (unsigned int i = 0; i<sizeof (tests) / sizeof (tests[0]); i++)
+  {
+    bool result = TALER_is_session_id (tests[i].session_id);
+
+    if (result == tests[i].expected)
+      continue;
+    failed++;
+    fprintf (stderr,
+             "FAIL: session ID \"%s\" -> %s (expected %s)\n",
+             tests[i].session_id,
+             result ? "VALID" : "INVALID",
+             tests[i].expected ? "VALID" : "INVALID");
+  }
+  return failed;
+}
+
+
+int
+main (int argc,
+      const char *const argv[])
+{
+  (void) argc;
+  (void) argv;
+  if (0 != check_slug ())
+    return 1;
+  if (0 != check_session_id ())
+    return 1;
+  return 0;
+}