Some file transfer updates

file/local_server/LocalFileProvider.cpp

@@ -8,10 +8,58 @@
 using namespace ts::server;
 using LocalFileServer = file::LocalFileProvider;
 
+EVP_PKEY* ssl_generate_key() {
+    auto key = std::unique_ptr<EVP_PKEY, decltype(&EVP_PKEY_free)>(EVP_PKEY_new(), ::EVP_PKEY_free);
+
+    auto rsa = RSA_new();
+    auto e = std::unique_ptr<BIGNUM, decltype(&BN_free)>(BN_new(), ::BN_free);
+    BN_set_word(e.get(), RSA_F4);
+    if(!RSA_generate_key_ex(rsa, 2048, e.get(), nullptr)) return nullptr;
+    EVP_PKEY_assign_RSA(key.get(), rsa);
+    return key.release();
+}
+
+X509* ssl_generate_certificate(EVP_PKEY* key) {
+    auto cert = X509_new();
+    X509_set_pubkey(cert, key);
+
+    ASN1_INTEGER_set(X509_get_serialNumber(cert), 3);
+    X509_gmtime_adj(X509_get_notBefore(cert), 0);
+    X509_gmtime_adj(X509_get_notAfter(cert), 31536000L);
+
+    X509_NAME* name = nullptr;
+    name = X509_get_subject_name(cert);
+    //for(const auto& subject : this->subjects)
+    //    X509_NAME_add_entry_by_txt(name, subject.first.c_str(),  MBSTRING_ASC, (unsigned char *) subject.second.c_str(), subject.second.length(), -1, 0);
+    X509_set_subject_name(cert, name);
+
+    name = X509_get_issuer_name(cert);
+    //for(const auto& subject : this->issues)
+    //    X509_NAME_add_entry_by_txt(name, subject.first.c_str(),  MBSTRING_ASC, (unsigned char *) subject.second.c_str(), subject.second.length(), -1, 0);
+
+    X509_set_issuer_name(cert, name);
+
+    X509_sign(cert, key, EVP_sha512());
+    return cert;
+}
+
 std::shared_ptr<LocalFileServer> server_instance{};
 bool file::initialize(std::string &error) {
     server_instance = std::make_shared<LocalFileProvider>();
-    if(!server_instance->initialize(error)) {
+
+    auto options = std::make_shared<pipes::SSL::Options>();
+    options->verbose_io = true;
+    options->context_method = SSLv23_method();
+    options->free_unused_keypairs = false;
+
+    {
+        std::shared_ptr<EVP_PKEY> pkey{ssl_generate_key(), ::EVP_PKEY_free};
+        std::shared_ptr<X509> cert{ssl_generate_certificate(&*pkey), ::X509_free};
+
+        options->default_keypair({pkey, cert});
+    }
+
+    if(!server_instance->initialize(error, options)) {
         server_instance = nullptr;
         return false;
     }
@@ -32,7 +80,7 @@ std::shared_ptr<file::AbstractFileServer> file::server() {
 LocalFileServer::LocalFileProvider() : file_system_{}, file_transfer_{this->file_system_} {}
 LocalFileServer::~LocalFileProvider() {}
 
-bool LocalFileServer::initialize(std::string &error) {
+bool LocalFileServer::initialize(std::string &error, const std::shared_ptr<pipes::SSL::Options>& ssl_options) {
     if(!this->file_system_.initialize(error, "file-root/"))
         return false;
 
@@ -51,7 +99,7 @@ bool LocalFileServer::initialize(std::string &error) {
         bindings.push_back(std::move(binding));
     }
 
-    if(!this->file_transfer_.start(bindings)) {
+    if(!this->file_transfer_.start(bindings, ssl_options)) {
         error = "transfer server startup failed";
         this->file_system_.finalize();
         return false;