fix memory leaks in test case

contrib/uncrustify-mode.el

@@ -23,7 +23,7 @@
 ;; drop requirements and this file into a directory in your `load-path',
 ;; and put these lines into your .emacs file.
 
-;; (require 'uncrusfify-mode)
+;; (require 'uncrustify-mode)
 ;; (add-hook 'c-mode-common-hook
 ;;    '(lambda ()
 ;;        (uncrustify-mode 1)))

src/bank-lib/test_bank_api.c

@@ -1,21 +1,21 @@
 /*
-  This file is part of TALER
-  Copyright (C) 2016, 2017 GNUnet e.V.
+   This file is part of TALER
+   Copyright (C) 2016, 2017, 2019 GNUnet e.V.
 
-  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 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.
+   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/>
-*/
+   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 bank/test_bank_api.c
  * @brief testcase to test bank's HTTP API interface
@@ -156,15 +156,20 @@ main (int argc,
 
   if (NULL == (dbconn = getenv ("TALER_EXCHANGEDB_POSTGRES_CONFIG")))
     dbconn = defaultdb;
-  char *purgedb_cmd;
-  GNUNET_asprintf (&purgedb_cmd,
-                   "taler-bank-manage -c bank.conf --with-db=%s django flush --no-input",
-                   dbconn);
-  if (0 != system (purgedb_cmd))
   {
-    fprintf (stderr,
-             "Could not purge database\n");
-    return 77;
+    char *purgedb_cmd;
+
+    GNUNET_asprintf (&purgedb_cmd,
+                     "taler-bank-manage -c bank.conf --with-db=%s django flush --no-input",
+                     dbconn);
+    if (0 != system (purgedb_cmd))
+    {
+      fprintf (stderr,
+               "Could not purge database\n");
+      GNUNET_free (purgedb_cmd);
+      return 77;
+    }
+    GNUNET_free (purgedb_cmd);
   }
 
   bankd = GNUNET_OS_start_process (GNUNET_NO,
@@ -182,7 +187,7 @@ main (int argc,
   {
     fprintf (stderr,
              "Failed to launch taler-bank-manage, skipping test\n");
-    return 77; /* report 'skip' */
+    return 77;   /* report 'skip' */
   }
   /* give child time to start and bind against the socket */
   fprintf (stderr,

src/bank-lib/testing_api_helpers.c

@@ -28,8 +28,15 @@
 #include "taler_testing_bank_lib.h"
 #include "taler_fakebank_lib.h"
 
-/* Keep each bank account credentials at index:
- * bank account number - 1 */
+
+#define BANK_FAIL() \
+  do {GNUNET_break (0); return NULL; } while (0)
+
+
+/**
+ * Keep each bank account credentials at index:
+ * bank account number - 1
+ */
 struct TALER_BANK_AuthenticationData AUTHS[] = {
 
   /* Bank credentials */
@@ -97,7 +104,7 @@ TALER_TESTING_has_in_name (const char *prog_name,
   size_t name_pos;
   size_t pos;
 
-  if (!prog_name || !marker)
+  if (! prog_name || ! marker)
     return GNUNET_NO;
 
   pos = 0;
@@ -110,7 +117,7 @@ TALER_TESTING_has_in_name (const char *prog_name,
   }
   if (name_pos == pos)
     return GNUNET_YES;
-  return strstr(prog_name + name_pos, marker) != NULL;
+  return strstr (prog_name + name_pos, marker) != NULL;
 }
 
 /**
@@ -137,7 +144,6 @@ TALER_TESTING_run_bank (const char *config_filename,
   char *serve_arg;
   struct GNUNET_CONFIGURATION_Handle *cfg;
 
-
   cfg = GNUNET_CONFIGURATION_create ();
   if (GNUNET_OK !=
       GNUNET_CONFIGURATION_load (cfg,
@@ -173,13 +179,15 @@ TALER_TESTING_run_bank (const char *config_filename,
                                "serve");
     GNUNET_break (0);
     GNUNET_CONFIGURATION_destroy (cfg);
+    GNUNET_free (database);
     exit (77);
   }
+  GNUNET_CONFIGURATION_destroy (cfg);
 
   serve_arg = "serve-http";
   if (0 != strcmp ("http", serve_cfg))
     serve_arg = "serve-uwsgi";
-
+  GNUNET_free (serve_cfg);
   bank_proc = GNUNET_OS_start_process
                 (GNUNET_NO,
                 GNUNET_OS_INHERIT_STD_ALL,
@@ -189,8 +197,11 @@ TALER_TESTING_run_bank (const char *config_filename,
                 "-c", config_filename,
                 "--with-db", database,
                 serve_arg, NULL);
+  GNUNET_free (database);
   if (NULL == bank_proc)
+  {
     BANK_FAIL ();
+  }
 
   GNUNET_asprintf (&wget_cmd,
                    "wget -q -t 1 -T 1 %s"
@@ -212,6 +223,7 @@ TALER_TESTING_run_bank (const char *config_filename,
                               SIGTERM);
       GNUNET_OS_process_wait (bank_proc);
       GNUNET_OS_process_destroy (bank_proc);
+      GNUNET_free (wget_cmd);
       BANK_FAIL ();
     }
     fprintf (stderr, ".");
@@ -219,6 +231,7 @@ TALER_TESTING_run_bank (const char *config_filename,
     iter++;
   }
   while (0 != system (wget_cmd));
+  GNUNET_free (wget_cmd);
   fprintf (stderr, "\n");
 
   return bank_proc;
@@ -248,12 +261,17 @@ TALER_TESTING_prepare_bank (const char *config_filename)
 
   cfg = GNUNET_CONFIGURATION_create ();
 
-  if (GNUNET_OK != GNUNET_CONFIGURATION_load
-        (cfg, config_filename))
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_load (cfg, config_filename))
+  {
+    GNUNET_CONFIGURATION_destroy (cfg);
     BANK_FAIL ();
-
-  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string
-        (cfg, "bank", "DATABASE", &database))
+  }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "bank",
+                                             "DATABASE",
+                                             &database))
   {
     GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                "bank",
@@ -262,13 +280,17 @@ TALER_TESTING_prepare_bank (const char *config_filename)
     BANK_FAIL ();
   }
 
-  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number
-        (cfg, "bank", "HTTP_PORT", &port))
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_number (cfg,
+                                             "bank",
+                                             "HTTP_PORT",
+                                             &port))
   {
     GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                "bank",
                                "HTTP_PORT");
     GNUNET_CONFIGURATION_destroy (cfg);
+    GNUNET_free (database);
     BANK_FAIL ();
   }
   GNUNET_CONFIGURATION_destroy (cfg);
@@ -298,8 +320,10 @@ TALER_TESTING_prepare_bank (const char *config_filename)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to flush the bank db.\n");
+    GNUNET_free (database);
     BANK_FAIL ();
   }
+  GNUNET_free (database);
 
   if (GNUNET_SYSERR ==
       GNUNET_OS_process_wait_status (dbreset_proc,

src/include/taler_testing_bank_lib.h

@@ -48,9 +48,6 @@
 
 /* ********************* Helper functions ********************* */
 
-#define BANK_FAIL() \
-  do {GNUNET_break (0); return NULL; } while (0)
-
 /**
  * Start the (Python) bank process.  Assume the port
  * is available and the database is clean.  Use the "prepare