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Reject topic/payloads that exceed MQTT_MAX_PACKET_SIZE

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This commit is contained in:
Nick O'Leary
2015-09-02 10:44:21 +01:00
parent fc02df2f6f
commit 545d0045f9
4 changed files with 69 additions and 6 deletions
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28
tests/src/subscribe_spec.cpp
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@ -97,6 +97,33 @@ int test_subscribe_invalid_qos() {
END_IT
}
int test_subscribe_too_long() {
IT("subscribe fails with too long topic");
ShimClient shimClient;
shimClient.setAllowConnect(true);
byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
shimClient.respond(connack,4);
PubSubClient client(server, 1883, callback, shimClient);
int rc = client.connect((char*)"client_test1");
IS_TRUE(rc);
// max length should be allowed
// 0 1 2 3 4 5 6 7 8 9 0 1 2
rc = client.subscribe((char*)"12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789");
IS_TRUE(rc);
// 0 1 2 3 4 5 6 7 8 9 0 1 2
rc = client.subscribe((char*)"123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
IS_FALSE(rc);
IS_FALSE(shimClient.error());
END_IT
}
int test_unsubscribe() {
IT("unsubscribes");
ShimClient shimClient;
@ -143,6 +170,7 @@ int main()
test_subscribe_qos_1();
test_subscribe_not_connected();
test_subscribe_invalid_qos();
test_subscribe_too_long();
test_unsubscribe();
test_unsubscribe_not_connected();
FINISH