cmd to sign keys with offline process

src/testing/Makefile.am

@@ -59,6 +59,7 @@ libtalertesting_la_SOURCES = \
   testing_api_cmd_exec_transfer.c \
   testing_api_cmd_exec_wirewatch.c \
   testing_api_cmd_insert_deposit.c \
+  testing_api_cmd_offline_sign_keys.c \
   testing_api_cmd_recoup.c \
   testing_api_cmd_refund.c \
   testing_api_cmd_refresh.c \

src/testing/testing_api_cmd_offline_sign_keys.c

@@ -0,0 +1,166 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 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 testing/testing_api_cmd_offline_sign_keys.c
+ * @brief run the taler-exchange-offline command to download, sign and upload keys
+ * @author Marcello Stanisci
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_signatures.h"
+#include "taler_testing_lib.h"
+
+
+/**
+ * State for a "offlinesign" CMD.
+ */
+struct OfflineSignState
+{
+
+  /**
+   * Process for the "offlinesign" command.
+   */
+  struct GNUNET_OS_Process *offlinesign_proc;
+
+  /**
+   * Configuration file used by the command.
+   */
+  const char *config_filename;
+
+};
+
+
+/**
+ * Run the command; calls the `taler-exchange-offline' program.
+ *
+ * @param cls closure.
+ * @param cmd the commaind being run.
+ * @param is interpreter state.
+ */
+static void
+offlinesign_run (void *cls,
+                 const struct TALER_TESTING_Command *cmd,
+                 struct TALER_TESTING_Interpreter *is)
+{
+  struct OfflineSignState *ks = cls;
+
+  ks->offlinesign_proc
+    = GNUNET_OS_start_process (
+        GNUNET_OS_INHERIT_STD_ALL,
+        NULL, NULL, NULL,
+        "taler-exchange-offline",
+        "taler-exchange-offline",
+        "-c", ks->config_filename,
+        "--online",
+        "download sign upload",
+        NULL);
+  if (NULL == ks->offlinesign_proc)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  /* This function does not tell whether the command
+   * succeeded or not!  */
+  TALER_TESTING_wait_for_sigchld (is);
+}
+
+
+/**
+ * Free the state of a "offlinesign" CMD, and possibly kills its
+ * process if it did not terminate correctly.
+ *
+ * @param cls closure.
+ * @param cmd the command being freed.
+ */
+static void
+offlinesign_cleanup (void *cls,
+                     const struct TALER_TESTING_Command *cmd)
+{
+  struct OfflineSignState *ks = cls;
+
+  (void) cmd;
+  if (NULL != ks->offlinesign_proc)
+  {
+    GNUNET_break (0 ==
+                  GNUNET_OS_process_kill (ks->offlinesign_proc,
+                                          SIGKILL));
+    GNUNET_OS_process_wait (ks->offlinesign_proc);
+    GNUNET_OS_process_destroy (ks->offlinesign_proc);
+    ks->offlinesign_proc = NULL;
+  }
+  GNUNET_free (ks);
+}
+
+
+/**
+ * Offer "offlinesign" CMD internal data to other commands.
+ *
+ * @param cls closure.
+ * @param[out] ret result
+ * @param trait name of the trait.
+ * @param index index number of the object to offer.
+ * @return #GNUNET_OK on success.
+ */
+static int
+offlinesign_traits (void *cls,
+                    const void **ret,
+                    const char *trait,
+                    unsigned int index)
+{
+  struct OfflineSignState *ks = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_process (0,
+                                      &ks->offlinesign_proc),
+    TALER_TESTING_trait_end ()
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_exec_offline_sign_keys (const char *label,
+                                          const char *config_filename)
+{
+  struct OfflineSignState *ks;
+
+  ks = GNUNET_new (struct OfflineSignState);
+  ks->config_filename = config_filename;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ks,
+      .label = label,
+      .run = &offlinesign_run,
+      .cleanup = &offlinesign_cleanup,
+      .traits = &offlinesign_traits
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_exec_offline_sign_keys.c */