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(Unicode C) Using WS_FTP Self-signed Certificate file (.crt) and Private Key File. (.key)Demonstrates how to use a self-signed certificate created by WS_FTP with Chilkat FTP2. Note: It is usually not necessary for the FTP client to use a client-side certificate. Most FTP servers using SSL and TLS connections (explicit or implicit) do not require client-side certs. In addition, some high-security FTP servers require "real" certificates -- meaning certificates issued by a real certificate authority with a chain of authentication that leads to a trusted root certificate. The certificates created by WS_FTP are self-signed and untrusted.
#include <C_CkFtp2W.h> #include <C_CkCertStoreW.h> #include <C_CkCertW.h> void ChilkatSample(void) { HCkFtp2W ftp; HCkCertStoreW certStore; BOOL success; HCkCertW cert; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Important: Before running this program, convert your // .crt and .key files to a .p12 using OpenSSL: // The command is this: // openssl pkcs12 -export -in test.crt -inkey test.key -out test.p12 // ftp = CkFtp2W_Create(); CkFtp2W_putHostname(ftp,L"ftp.***.com"); CkFtp2W_putPort(ftp,21); CkFtp2W_putUsername(ftp,L"testLogin"); CkFtp2W_putPassword(ftp,L"testPassword"); // 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); // Create an instance of a certificate store object, load a .p12 file, // locate the certificate we need, and use it for signing. // (a P12/PFX file may contain more than one certificate.) certStore = CkCertStoreW_Create(); // The 1st argument is the filename, the 2nd arg is the // .p12 file's password. (OpenSSL will prompty you to set a password // when converting the .crt and .key into a .p12). success = CkCertStoreW_LoadPfxFile(certStore,L"test.p12",L"secret"); if (success != TRUE) { wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore)); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); return; } cert = CkCertStoreW_FindCertBySubjectCN(certStore,L"Your cert's common name"); if (CkCertStoreW_getLastMethodSuccess(certStore) == FALSE) { wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore)); CkFtp2W_Dispose(ftp); CkCertStoreW_Dispose(certStore); return; } success = CkFtp2W_SetSslClientCert(ftp,cert); CkCertW_Dispose(cert); // Connect and login to the FTP server. 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"); wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); // 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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