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(Unicode C) Secure FTP with Client CertificateChilkat FTP2 provides the ability to use a client certificate with secure FTP (implicit or explicit SSL/TLS). This example demonstrates how to load a certificate from a .pfx and use it as the client-side SSL cert. Note: Client-side certificates are only needed in situations where the server demands one.
#include <C_CkFtp2W.h> #include <C_CkCertStoreW.h> #include <C_CkCertW.h> void ChilkatSample(void) { HCkFtp2W ftp; HCkCertStoreW certStore; const wchar_t *password; BOOL success; HCkCertW cert; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. ftp = CkFtp2W_Create(); CkFtp2W_putHostname(ftp,L"ftp.***.com"); CkFtp2W_putPort(ftp,21); CkFtp2W_putUsername(ftp,L"test"); CkFtp2W_putPassword(ftp,L"test"); // This example will use explict TLS/SSL. // Establish an explicit secure channel after connection // on the standard FTP port 21. CkFtp2W_putAuthTls(ftp,TRUE); // The Ssl property is for establishing an implicit SSL connection // on port 990. Because this example uses explicit SSL, it // should remain FALSE. CkFtp2W_putSsl(ftp,FALSE); // Load a certificate from a .pfx // A PFX may contain several certs, including the certificates // in a chain of authority. certStore = CkCertStoreW_Create(); password = L"***"; // Load the certs from a PFX into an in-memory certificate store: success = CkCertStoreW_LoadPfxFile(certStore,L"chilkat.pfx",password); if (success != TRUE) { wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore)); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); return; } // Find the exact cert we'll use: cert = CkCertStoreW_FindCertBySubject(certStore,L"Chilkat Software, Inc."); if (CkCertStoreW_getLastMethodSuccess(certStore) == FALSE) { wprintf(L"Certificate not found!\n"); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); return; } // Use this certificate for our secure (SSL/TLS) connection: success = CkFtp2W_SetSslClientCert(ftp,cert); CkCertW_Dispose(cert); // Connect and login to the FTP server. The connection is // made secure because of the AuthTls setting. success = CkFtp2W_Connect(ftp); if (success != TRUE) { wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); return; } else { // LastErrorText contains information even when // successful. This allows you to visually verify // that the secure connection actually occurred. wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); } wprintf(L"Secure FTP Channel Established!\n"); // Do whatever you're doing to do ... // upload files, download files, etc... // ..... // ..... success = CkFtp2W_Disconnect(ftp); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); } |
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