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(PHP ActiveX) SSL Server ExampleDemonstrates how to create an SSL socket for accepting connections. This example is *very* simple in that it will create an SSL socket for accepting a single connection. It will read a message from the client, send a reply, and exit.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Socket') $listenSslSocket = new COM("Chilkat.Socket"); // An SSL server needs a digital certificate. This example loads it from a PFX file. // Create an instance of a certificate store object, load a PFX file, // locate the certificate we need, and use it. // (a PFX file may contain more than one certificate.) // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.CertStore') $certStore = new COM("Chilkat.CertStore"); // The 1st argument is the filename, the 2nd arg is the // PFX file's password: $success = $certStore->LoadPfxFile('chilkat.pfx','test'); if ($success != 1) { print $certStore->LastErrorText . "\n"; exit; } // Find the certificate to be used for SSL: // cert is a Chilkat.Cert $cert = $certStore->FindCertBySubject('Chilkat Software, Inc.'); if ($certStore->LastMethodSuccess == 0) { print $certStore->LastErrorText . "\n"; exit; } // Use the certificate: $success = $listenSslSocket->InitSslServer($cert); if ($success != 1) { print $listenSslSocket->LastErrorText . "\n"; exit; } // Bind and listen on a port: $myPort = 8123; // Allow for a max of 5 queued connect requests. $backLog = 5; $success = $listenSslSocket->BindAndListen($myPort,$backLog); if ($success != 1) { print $listenSslSocket->LastErrorText . "\n"; exit; } // If accepting an SSL/TLS connection, the SSL handshake is part of the connection // establishment process. This involves a few back-and-forth messages between the // client and server to establish algorithms and a shared key to create the secure // channel. The sending and receiving of these messages are governed by the // MaxReadIdleMs and MaxSendIdleMs properties. If these properties are set to 0 // (and this is the default unless changed by your application), then the // AcceptNextConnection can hang indefinitely during the SSL handshake process. // Make sure these properties are set to appropriate values before calling AcceptNextConnection. // Set a 10 second max for waiting to read/write. This is for the SSL/TLS handshake establishment. $listenSslSocket->MaxReadIdleMs = 10000; $listenSslSocket->MaxSendIdleMs = 10000; // Accept a single client connection and establish the secure SSL/TLS channel: $maxWaitMillisec = 20000; // clientSock is a Chilkat.Socket $clientSock = $listenSslSocket->AcceptNextConnection($maxWaitMillisec); if ($listenSslSocket->LastMethodSuccess == 0) { print $listenSslSocket->LastErrorText . "\n"; exit; } // The client (in this example) is going to send a "Hello Server! -EOM-" // message. Read it: $receivedMsg = $clientSock->receiveUntilMatch('-EOM-'); if ($clientSock->LastMethodSuccess != 1) { print $clientSock->LastErrorText . "\n"; exit; } print $receivedMsg . "\n"; // Send a "Hello Client! -EOM-" message: $success = $clientSock->SendString('Hello Client! -EOM-'); if ($success != 1) { print $clientSock->LastErrorText . "\n"; exit; } // Close the connection with the client // Wait a max of 20 seconds (20000 millsec) $success = $clientSock->Close(20000); ?> |
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