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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2022, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Verify that SASL credentials can be updated.
*/
#include "testcpp.h"
class authErrorEventCb : public RdKafka::EventCb {
public:
authErrorEventCb() : error_seen(false) {
}
void event_cb(RdKafka::Event &event) {
switch (event.type()) {
case RdKafka::Event::EVENT_ERROR:
Test::Say(tostr() << "Error: " << RdKafka::err2str(event.err()) << ": "
<< event.str() << "\n");
if (event.err() == RdKafka::ERR__AUTHENTICATION)
error_seen = true;
break;
case RdKafka::Event::EVENT_LOG:
Test::Say(tostr() << "Log: " << event.str() << "\n");
break;
default:
break;
}
}
bool error_seen;
};
/**
* @brief Test setting SASL credentials.
*
* 1. Switch out the proper username/password for invalid ones.
* 2. Verify that we get an auth failure.
* 3. Set the proper username/passwords.
* 4. Verify that we can now connect.
*/
static void do_test(bool set_after_auth_failure) {
RdKafka::Conf *conf;
Test::conf_init(&conf, NULL, 30);
SUB_TEST_QUICK("set_after_auth_failure=%s",
set_after_auth_failure ? "yes" : "no");
/* Get the correct sasl.username and sasl.password */
std::string username, password;
if (conf->get("sasl.username", username) ||
conf->get("sasl.password", password)) {
delete conf;
SUB_TEST_SKIP("sasl.username and/or sasl.password not configured\n");
return;
}
/* Replace with incorrect ones */
Test::conf_set(conf, "sasl.username", "ThisIsNotRight");
Test::conf_set(conf, "sasl.password", "Neither Is This");
/* Set up an event callback to track authentication errors */
authErrorEventCb pEvent = authErrorEventCb();
std::string errstr;
if (conf->set("event_cb", &pEvent, errstr) != RdKafka::Conf::CONF_OK)
Test::Fail(errstr);
/* Create client */
RdKafka::Producer *p = RdKafka::Producer::create(conf, errstr);
if (!p)
Test::Fail("Failed to create Producer: " + errstr);
delete conf;
if (set_after_auth_failure) {
Test::Say("Awaiting auth failure\n");
while (!pEvent.error_seen)
p->poll(1000);
Test::Say("Authentication error seen\n");
}
Test::Say("Setting proper credentials\n");
RdKafka::Error *error = p->sasl_set_credentials(username, password);
if (error)
Test::Fail("Failed to set credentials: " + error->str());
Test::Say("Expecting successful cluster authentication\n");
const std::string clusterid = p->clusterid(5 * 1000);
if (clusterid.empty())
Test::Fail("Expected clusterid() to succeed");
delete p;
SUB_TEST_PASS();
}
extern "C" {
int main_0135_sasl_credentials(int argc, char **argv) {
const char *mech = test_conf_get(NULL, "sasl.mechanism");
if (strcmp(mech, "PLAIN") && strncmp(mech, "SCRAM", 5)) {
Test::Skip("Test requires SASL PLAIN or SASL SCRAM\n");
return 0;
}
do_test(false);
do_test(true);
return 0;
}
}
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