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-rw-r--r--src/testing/testing_api_helpers_exchange.c975
1 files changed, 975 insertions, 0 deletions
diff --git a/src/testing/testing_api_helpers_exchange.c b/src/testing/testing_api_helpers_exchange.c
new file mode 100644
index 000000000..29c96db19
--- /dev/null
+++ b/src/testing/testing_api_helpers_exchange.c
@@ -0,0 +1,975 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2018-2020 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_helpers_exchange.c
+ * @brief helper functions
+ * @author Christian Grothoff
+ * @author Marcello Stanisci
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_signatures.h"
+#include "taler_testing_lib.h"
+
+
+/**
+ * Remove files from previous runs
+ *
+ * @param config_name configuration filename.
+ */
+void
+TALER_TESTING_cleanup_files (const char *config_name)
+{
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_parse_and_run (config_name,
+ &TALER_TESTING_cleanup_files_cfg,
+ NULL))
+ exit (77);
+}
+
+
+/**
+ * Remove files from previous runs
+ *
+ * @param cls NULL
+ * @param cfg configuration
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_cleanup_files_cfg (void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ char *dir;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "exchange",
+ "KEYDIR",
+ &dir))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "KEYDIR");
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_YES ==
+ GNUNET_DISK_directory_test (dir,
+ GNUNET_NO))
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_DISK_directory_remove (dir));
+ GNUNET_free (dir);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "exchange",
+ "REVOCATION_DIR",
+ &dir))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "REVOCATION_DIR");
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_YES ==
+ GNUNET_DISK_directory_test (dir,
+ GNUNET_NO))
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_DISK_directory_remove (dir));
+ GNUNET_free (dir);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Run `taler-exchange-keyup`.
+ *
+ * @param config_filename configuration file to use
+ * @param output_filename where to write the output for the auditor
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_run_keyup (const char *config_filename,
+ const char *output_filename)
+{
+ struct GNUNET_OS_Process *proc;
+
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-exchange-keyup",
+ "taler-exchange-keyup",
+ "-c", config_filename,
+ "-o", output_filename,
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-exchange-keyup`, is your PATH correct?\n");
+ return GNUNET_SYSERR;
+ }
+ GNUNET_OS_process_wait (proc);
+ GNUNET_OS_process_destroy (proc);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Run `taler-auditor-sign`.
+ *
+ * @param config_filename configuration file to use
+ * @param exchange_master_pub master public key of the exchange
+ * @param auditor_base_url what is the base URL of the auditor
+ * @param signdata_in where is the information from taler-exchange-keyup
+ * @param signdata_out where to write the output for the exchange
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_run_auditor_sign (const char *config_filename,
+ const char *exchange_master_pub,
+ const char *auditor_base_url,
+ const char *signdata_in,
+ const char *signdata_out)
+{
+ struct GNUNET_OS_Process *proc;
+
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-auditor-sign",
+ "taler-auditor-sign",
+ "-c", config_filename,
+ "-u", auditor_base_url,
+ "-m", exchange_master_pub,
+ "-r", signdata_in,
+ "-o", signdata_out,
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-auditor-sign`, is your PATH correct?\n");
+ return GNUNET_SYSERR;
+ }
+ GNUNET_OS_process_wait (proc);
+ GNUNET_OS_process_destroy (proc);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Run `taler-auditor-exchange`.
+ *
+ * @param config_filename configuration file to use
+ * @param exchange_master_pub master public key of the exchange
+ * @param exchange_base_url what is the base URL of the exchange
+ * @param do_remove #GNUNET_NO to add exchange, #GNUNET_YES to remove
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_run_auditor_exchange (const char *config_filename,
+ const char *exchange_master_pub,
+ const char *exchange_base_url,
+ int do_remove)
+{
+ struct GNUNET_OS_Process *proc;
+ enum GNUNET_OS_ProcessStatusType type;
+ unsigned long code;
+
+ TALER_LOG_DEBUG ("Add exchange (%s,%s) to the auditor\n",
+ exchange_base_url,
+ exchange_master_pub);
+
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-auditor-exchange",
+ "taler-auditor-exchange",
+ "-c", config_filename,
+ "-u", exchange_base_url,
+ "-m", exchange_master_pub,
+ (GNUNET_YES == do_remove)
+ ? "-r"
+ : NULL,
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-auditor-exchange`, is your PATH correct?\n");
+ return GNUNET_SYSERR;
+ }
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_OS_process_wait_status (proc,
+ &type,
+ &code));
+ GNUNET_OS_process_destroy (proc);
+ if ( (0 != code) ||
+ (GNUNET_OS_PROCESS_EXITED != type) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "taler-auditor-exchange terminated with error (%d/%d)\n",
+ (int) type,
+ (int) code);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Run `taler-exchange-dbinit -r` (reset exchange database).
+ *
+ * @param config_filename configuration file to use
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_exchange_db_reset (const char *config_filename)
+{
+ struct GNUNET_OS_Process *proc;
+ enum GNUNET_OS_ProcessStatusType type;
+ unsigned long code;
+
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-exchange-dbinit",
+ "taler-exchange-dbinit",
+ "-c", config_filename,
+ "-r",
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-exchange-dbinit`, is your PATH correct?\n");
+ return GNUNET_NO;
+ }
+ if (GNUNET_SYSERR ==
+ GNUNET_OS_process_wait_status (proc,
+ &type,
+ &code))
+ {
+ GNUNET_break (0);
+ GNUNET_OS_process_destroy (proc);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_OS_process_destroy (proc);
+ if ( (type == GNUNET_OS_PROCESS_EXITED) &&
+ (0 != code) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to setup (exchange) database, exit code %d\n",
+ (int) code);
+ return GNUNET_NO;
+ }
+ if ( (type != GNUNET_OS_PROCESS_EXITED) ||
+ (0 != code) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected error (%d/%d) running `taler-exchange-dbinit'!\n",
+ (int) type,
+ (int) code);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Run `taler-auditor-dbinit -r` (reset auditor database).
+ *
+ * @param config_filename configuration file to use
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_auditor_db_reset (const char *config_filename)
+{
+ struct GNUNET_OS_Process *proc;
+ enum GNUNET_OS_ProcessStatusType type;
+ unsigned long code;
+
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-auditor-dbinit",
+ "taler-auditor-dbinit",
+ "-c", config_filename,
+ "-r",
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-auditor-dbinit`, is your PATH correct?\n");
+ return GNUNET_NO;
+ }
+ if (GNUNET_SYSERR ==
+ GNUNET_OS_process_wait_status (proc,
+ &type,
+ &code))
+ {
+ GNUNET_break (0);
+ GNUNET_OS_process_destroy (proc);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_OS_process_destroy (proc);
+ if ( (type == GNUNET_OS_PROCESS_EXITED) &&
+ (0 != code) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to setup (auditor) database, exit code %d\n",
+ (int) code);
+ return GNUNET_NO;
+ }
+ if ( (type != GNUNET_OS_PROCESS_EXITED) ||
+ (0 != code) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected error (%d/%d) running `taler-auditor-dbinit'!\n",
+ (int) type,
+ (int) code);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Type of closure for
+ * #sign_keys_for_exchange.
+ */
+struct SignInfo
+{
+ /**
+ * Members will be set to the exchange configuration.
+ */
+ struct TALER_TESTING_ExchangeConfiguration *ec;
+
+ /**
+ * Name of the configuration file to use.
+ */
+ const char *config_filename;
+
+ /**
+ * Must be set to input file with the data to be signed before
+ * calling #TALER_TESTING_sign_keys_for_exchange.
+ */
+ const char *auditor_sign_input_filename;
+};
+
+
+/**
+ * Sign the keys for an exchange given configuration @a cfg.
+ * The information to be signed must be in a file "auditor.in".
+ *
+ * @param[in,out] cls a `struct SignInfo` with further paramters
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success
+ */
+static int
+sign_keys_for_exchange (void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ struct SignInfo *si = cls;
+ char *test_home_dir;
+ char *signed_keys_out;
+ char *exchange_master_pub;
+ int ret;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "exchange",
+ "BASE_URL",
+ &si->ec->exchange_url))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
+ "exchange",
+ "BASE_URL");
+ si->ec->exchange_url = NULL;
+ return GNUNET_NO;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "auditor",
+ "BASE_URL",
+ &si->ec->auditor_url))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
+ "auditor",
+ "BASE_URL");
+ GNUNET_free (si->ec->exchange_url);
+ si->ec->exchange_url = NULL;
+ si->ec->auditor_url = NULL;
+ return GNUNET_SYSERR;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "paths",
+ "TALER_TEST_HOME",
+ &test_home_dir))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "paths",
+ "TALER_TEST_HOME");
+ ret = GNUNET_SYSERR;
+ goto fail;
+ }
+
+ GNUNET_asprintf (&signed_keys_out,
+ "%s/.local/share/taler/auditors/auditor.out",
+ test_home_dir);
+ GNUNET_free (test_home_dir);
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "exchange",
+ "MASTER_PUBLIC_KEY",
+ &exchange_master_pub))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "MASTER_PUBLIC_KEY");
+ GNUNET_free (signed_keys_out);
+ ret = GNUNET_SYSERR;
+ goto fail;
+ }
+ if (GNUNET_OK !=
+ TALER_TESTING_run_auditor_exchange (si->config_filename,
+ exchange_master_pub,
+ si->ec->exchange_url,
+ GNUNET_NO))
+ {
+ GNUNET_free (signed_keys_out);
+ ret = GNUNET_NO;
+ goto fail;
+ }
+
+ if (GNUNET_OK !=
+ TALER_TESTING_run_auditor_sign (si->config_filename,
+ exchange_master_pub,
+ si->ec->auditor_url,
+ si->auditor_sign_input_filename,
+ signed_keys_out))
+ {
+ GNUNET_free (signed_keys_out);
+ GNUNET_free (exchange_master_pub);
+ ret = GNUNET_NO;
+ goto fail;
+ }
+ GNUNET_free (signed_keys_out);
+ GNUNET_free (exchange_master_pub);
+ return GNUNET_OK;
+fail:
+ GNUNET_free (si->ec->exchange_url);
+ GNUNET_free (si->ec->auditor_url);
+ si->ec->exchange_url = NULL;
+ si->ec->auditor_url = NULL;
+ return ret;
+}
+
+
+/**
+ * Prepare launching an exchange. Checks that the configured
+ * port is available, runs taler-exchange-keyup,
+ * taler-auditor-sign and taler-exchange-dbinit. Does NOT
+ * launch the exchange process itself.
+ *
+ * @param config_filename configuration file to use
+ * @param[out] ec will be set to the exchange configuration data
+ * @return #GNUNET_OK on success, #GNUNET_NO if test should be
+ * skipped, #GNUNET_SYSERR on test failure
+ */
+int
+TALER_TESTING_prepare_exchange (const char *config_filename,
+ struct TALER_TESTING_ExchangeConfiguration *ec)
+{
+ struct SignInfo si = {
+ .config_filename = config_filename,
+ .ec = ec,
+ .auditor_sign_input_filename = "auditor.in"
+ };
+
+ if (GNUNET_OK !=
+ TALER_TESTING_run_keyup (config_filename,
+ si.auditor_sign_input_filename))
+ return GNUNET_NO;
+ if (GNUNET_OK !=
+ TALER_TESTING_exchange_db_reset (config_filename))
+ return GNUNET_NO;
+ if (GNUNET_OK !=
+ TALER_TESTING_auditor_db_reset (config_filename))
+ return GNUNET_NO;
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_parse_and_run (config_filename,
+ &sign_keys_for_exchange,
+ &si))
+ return GNUNET_NO;
+ return GNUNET_OK;
+}
+
+
+/**
+ * Find denomination key matching the given amount.
+ *
+ * @param keys array of keys to search
+ * @param amount coin value to look for
+ * @return NULL if no matching key was found
+ */
+const struct TALER_EXCHANGE_DenomPublicKey *
+TALER_TESTING_find_pk (const struct TALER_EXCHANGE_Keys *keys,
+ const struct TALER_Amount *amount)
+{
+ struct GNUNET_TIME_Absolute now;
+ struct TALER_EXCHANGE_DenomPublicKey *pk;
+ char *str;
+
+ now = GNUNET_TIME_absolute_get ();
+ for (unsigned int i = 0; i<keys->num_denom_keys; i++)
+ {
+ pk = &keys->denom_keys[i];
+ if ( (0 == TALER_amount_cmp (amount,
+ &pk->value)) &&
+ (now.abs_value_us >= pk->valid_from.abs_value_us) &&
+ (now.abs_value_us <
+ pk->withdraw_valid_until.abs_value_us) )
+ return pk;
+ }
+ /* do 2nd pass to check if expiration times are to blame for
+ * failure */
+ str = TALER_amount_to_string (amount);
+ for (unsigned int i = 0; i<keys->num_denom_keys; i++)
+ {
+ pk = &keys->denom_keys[i];
+ if ( (0 == TALER_amount_cmp (amount,
+ &pk->value)) &&
+ ( (now.abs_value_us < pk->valid_from.abs_value_us) ||
+ (now.abs_value_us >
+ pk->withdraw_valid_until.abs_value_us) ) )
+ {
+ GNUNET_log
+ (GNUNET_ERROR_TYPE_WARNING,
+ "Have denomination key for `%s', but with wrong"
+ " expiration range %llu vs [%llu,%llu)\n",
+ str,
+ (unsigned long long) now.abs_value_us,
+ (unsigned long long) pk->valid_from.abs_value_us,
+ (unsigned long long)
+ pk->withdraw_valid_until.abs_value_us);
+ GNUNET_free (str);
+ return NULL;
+ }
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "No denomination key for amount %s found\n",
+ str);
+ GNUNET_free (str);
+ return NULL;
+}
+
+
+/**
+ * Wait for the exchange to have started. Waits for at
+ * most 10s, after that returns 77 to indicate an error.
+ *
+ * @param base_url what URL should we expect the exchange
+ * to be running at
+ * @return 0 on success
+ */
+int
+TALER_TESTING_wait_exchange_ready (const char *base_url)
+{
+ char *wget_cmd;
+ unsigned int iter;
+
+ GNUNET_asprintf (&wget_cmd,
+ "wget -q -t 1 -T 1 %skeys -o /dev/null -O /dev/null",
+ base_url); // make sure ends with '/'
+ /* give child time to start and bind against the socket */
+ fprintf (stderr,
+ "Waiting for `taler-exchange-httpd' to be ready (check with: %s)\n",
+ wget_cmd);
+ iter = 0;
+ do
+ {
+ if (10 == iter)
+ {
+ fprintf (stderr,
+ "Failed to launch `taler-exchange-httpd' (or `wget')\n");
+ GNUNET_free (wget_cmd);
+ return 77;
+ }
+ fprintf (stderr, ".\n");
+ sleep (1);
+ iter++;
+ }
+ while (0 != system (wget_cmd));
+ GNUNET_free (wget_cmd);
+ return 0;
+}
+
+
+/**
+ * Wait for the auditor to have started. Waits for at
+ * most 10s, after that returns 77 to indicate an error.
+ *
+ * @param base_url what URL should we expect the auditor
+ * to be running at
+ * @return 0 on success
+ */
+int
+TALER_TESTING_wait_auditor_ready (const char *base_url)
+{
+ char *wget_cmd;
+ unsigned int iter;
+
+ GNUNET_asprintf (&wget_cmd,
+ "wget -q -t 1 -T 1 %sversion -o /dev/null -O /dev/null",
+ base_url); // make sure ends with '/'
+ /* give child time to start and bind against the socket */
+ fprintf (stderr,
+ "Waiting for `taler-auditor-httpd' to be ready\n");
+ iter = 0;
+ do
+ {
+ if (10 == iter)
+ {
+ fprintf (stderr,
+ "Failed to launch `taler-auditor-httpd' (or `wget')\n");
+ GNUNET_free (wget_cmd);
+ return 77;
+ }
+ fprintf (stderr, ".\n");
+ sleep (1);
+ iter++;
+ }
+ while (0 != system (wget_cmd));
+ GNUNET_free (wget_cmd);
+ return 0;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the testcase
+ * including starting and stopping the exchange using the given
+ * configuration file.
+ *
+ * @param main_cb routine containing all the commands to run.
+ * @param main_cb_cls closure for @a main_cb, typically NULL.
+ * @param config_file configuration file for the test-suite.
+ * @return #GNUNET_OK if all is okay, != #GNUNET_OK otherwise.
+ * non-#GNUNET_OK codes are #GNUNET_SYSERR most of the
+ * time.
+ */
+int
+TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
+ void *main_cb_cls,
+ const char *config_file)
+{
+ struct TALER_TESTING_SetupContext setup_ctx = {
+ .config_filename = config_file,
+ .main_cb = main_cb,
+ .main_cb_cls = main_cb_cls
+ };
+ int result;
+
+ result =
+ GNUNET_CONFIGURATION_parse_and_run (config_file,
+ &TALER_TESTING_setup_with_exchange_cfg,
+ &setup_ctx);
+ if (GNUNET_OK != result)
+ return result;
+ return GNUNET_OK;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the exchange using the given
+ * configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_exchange_cfg (void *cls,
+ const struct
+ GNUNET_CONFIGURATION_Handle *cfg)
+{
+ const struct TALER_TESTING_SetupContext *setup_ctx = cls;
+ struct GNUNET_OS_Process *exchanged;
+ unsigned long long port;
+ char *serve;
+ char *base_url;
+ int result;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "exchange",
+ "SERVE",
+ &serve))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "SERVE");
+ return GNUNET_NO;
+ }
+
+ if (0 == strcmp ("tcp", serve))
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "exchange",
+ "PORT",
+ &port))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "PORT");
+ GNUNET_free (serve);
+ return GNUNET_NO;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
+ (uint16_t) port))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Required port %llu not available, skipping.\n",
+ port);
+ GNUNET_free (serve);
+ return GNUNET_NO;
+ }
+ }
+ GNUNET_free (serve);
+ exchanged = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-exchange-httpd",
+ "taler-exchange-httpd",
+ "-c", setup_ctx->config_filename,
+ "-i",
+ NULL);
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "exchange",
+ "BASE_URL",
+ &base_url))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchange",
+ "BASE_URL");
+ return GNUNET_NO;
+ }
+
+ if (0 != TALER_TESTING_wait_exchange_ready (base_url))
+ {
+ GNUNET_free (base_url);
+ return 77;
+ }
+ GNUNET_free (base_url);
+
+ /* NOTE: this call blocks. */
+ result = TALER_TESTING_setup (setup_ctx->main_cb,
+ setup_ctx->main_cb_cls,
+ setup_ctx->config_filename,
+ exchanged,
+ GNUNET_YES);
+ GNUNET_break (0 ==
+ GNUNET_OS_process_kill (exchanged,
+ SIGTERM));
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_OS_process_wait (exchanged));
+ GNUNET_OS_process_destroy (exchanged);
+ return result;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange_cfg (void *cls,
+ const struct
+ GNUNET_CONFIGURATION_Handle *
+ cfg)
+{
+ const struct TALER_TESTING_SetupContext *setup_ctx = cls;
+ struct GNUNET_OS_Process *auditord;
+ unsigned long long port;
+ char *serve;
+ char *base_url;
+ int result;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "auditor",
+ "SERVE",
+ &serve))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "auditor",
+ "SERVE");
+ return GNUNET_NO;
+ }
+
+ if (0 == strcmp ("tcp", serve))
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "auditor",
+ "PORT",
+ &port))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "auditor",
+ "PORT");
+ GNUNET_free (serve);
+ return GNUNET_NO;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
+ (uint16_t) port))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Required port %llu not available, skipping.\n",
+ port);
+ GNUNET_free (serve);
+ return GNUNET_NO;
+ }
+ }
+ GNUNET_free (serve);
+ auditord = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-auditor-httpd",
+ "taler-auditor-httpd",
+ "-c", setup_ctx->config_filename,
+ NULL);
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "auditor",
+ "BASE_URL",
+ &base_url))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "auditor",
+ "BASE_URL");
+ return GNUNET_NO;
+ }
+
+ if (0 != TALER_TESTING_wait_auditor_ready (base_url))
+ {
+ GNUNET_free (base_url);
+ GNUNET_break (0 ==
+ GNUNET_OS_process_kill (auditord,
+ SIGTERM));
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_OS_process_wait (auditord));
+ GNUNET_OS_process_destroy (auditord);
+ return 77;
+ }
+ GNUNET_free (base_url);
+
+ /* NOTE: this call blocks. */
+ result = TALER_TESTING_setup_with_exchange_cfg ((void *) setup_ctx,
+ cfg);
+ GNUNET_break (0 ==
+ GNUNET_OS_process_kill (auditord,
+ SIGTERM));
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_OS_process_wait (auditord));
+ GNUNET_OS_process_destroy (auditord);
+ return result;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param main_cb main method.
+ * @param main_cb_cls main method closure.
+ * @param config_file configuration file name. Is is used
+ * by both this function and the exchange itself. In the
+ * first case it gives out the exchange port number and
+ * the exchange base URL so as to check whether the port
+ * is available and the exchange responds when requested
+ * at its base URL.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange (TALER_TESTING_Main main_cb,
+ void *main_cb_cls,
+ const char *config_file)
+{
+ struct TALER_TESTING_SetupContext setup_ctx = {
+ .config_filename = config_file,
+ .main_cb = main_cb,
+ .main_cb_cls = main_cb_cls
+ };
+
+ return GNUNET_CONFIGURATION_parse_and_run (config_file,
+ &
+ TALER_TESTING_setup_with_auditor_and_exchange_cfg,
+ &setup_ctx);
+}
+
+
+/**
+ * Test port in URL string for availability.
+ *
+ * @param url URL to extract port from, 80 is default
+ * @return #GNUNET_OK if the port is free
+ */
+int
+TALER_TESTING_url_port_free (const char *url)
+{
+ const char *port;
+ long pnum;
+
+ port = strrchr (url,
+ (unsigned char) ':');
+ if (NULL == port)
+ pnum = 80;
+ else
+ pnum = strtol (port + 1, NULL, 10);
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
+ pnum))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Port %u not available.\n",
+ (unsigned int) pnum);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/* end of testing_api_helpers_exchange.c */