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an attempt

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This commit is contained in:
Brad Arant 2022-04-11 21:06:21 -07:00
parent 45aee7ab6f
commit 769606f01e
8 changed files with 298 additions and 169 deletions
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164
#TCPServer.cpp# Normal file
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@ -0,0 +1,164 @@
#include "TCPServer.h"
#include "EPoll.h"
#include "TCPSession.h"
#include "Exception.h"
#include "Log.h"
namespace core {
TCPServer::TCPServer(EPoll &ePoll, IPAddress address, std::string delimiter, int depth, std::string text)
: TCPSocket(ePoll, text), commands(delimiter, depth) {
commands.add(subscriptions, "publish");
commands.add(subscriptions, "unpublish");
commands.add(subscriptions, "subscribe");
commands.add(subscriptions, "unsubscribe");
commands.add(subscriptions, "catalog");
commands.add(subscriptions, "event");
setDescriptor(socket(AF_INET, SOCK_STREAM, 0));
int yes = 1;
setsockopt(getDescriptor(), SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
if(bind(getDescriptor(), address.getPointer(), address.addressLength) < 0)
throw coreutils::Exception("Error on bind to socket: " + std::to_string(errno));
if(listen(getDescriptor(), 20) < 0)
throw coreutils::Exception("Error on listen to socket");
if(tls)
tls->tlsServer();
}
TCPServer::~TCPServer() {
coreutils::Log(coreutils::LOG_DEBUG_2) << "Closing server socket " << getDescriptor() << ".";
close(getDescriptor());
}
void TLS::tlsServer()
{
SSL_library_init();
SSL_load_error_strings();
lockarray = (pthread_mutex_t *)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
for(int i = 0; i < CRYPTO_num_locks(); ++i)
pthread_mutex_init(&(lockarray[i]), NULL);
CRYPTO_set_id_callback((unsigned long (*)())thread_id);
CRYPTO_set_locking_callback((void (*)(int, int, const char *, int))lock_callback);
SSLeay_add_ssl_algorithms();
RAND_load_file("/dev/hwrng", 1024);
if(!(ctx = SSL_CTX_new(SSLv23_server_method())))
throw coreutils::Exception("Error while setting server method SSLv23.");
SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER);
// SSL_CTX_set_generate_session_id(ctx, generate_session_id);
SSL_CTX_set_cipher_list(ctx, "ECDH-ECDSA-AES256-GCM-SHA384:DHE-DSS-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:DH$ if(SSL_CTX_use_certificate_file(ctx, sip_cert, SSL_FILETYPE_PEM) <= 0)
throw coreutils::Exception("Error looking up certificate.");
if(SSL_CTX_use_PrivateKey_file(ctx, sip_key, SSL_FILETYPE_PEM) < 0)
throw coreutils::Exception("Error with private key.");
if(SSL_CTX_check_private_key(ctx) != 1)
throw coreutils::Exception("Private key does not match certificate.");
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
SSL_CTX_set_verify_depth(ctx, 1);
if(!SSL_CTX_load_verify_locations(ctx, sip_cacert, NULL))
throw coreutils::Exception("Cannot verify locations.");
SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(sip_cacert));
coreutils::Log(coreutils::LOG_DEBUG_1) <<
void TCPServer::onDataReceived(std::string data) {
lock.lock();
TCPSession *session = accept();
if(session)
sessions.push_back(session);
lock.unlock();
}
TCPSession * TCPServer::accept() {
try {
TCPSession *session = getSocketAccept(ePoll);
session->setDescriptor(::accept(getDescriptor(), (struct sockaddr *)&session->ipAddress.addr, &session->ipAddress.addressLength));
// if(blackList && blackList->contains(session->ipAddress.getClientAddress())) {
// session->shutdown();
// Log(LOG_WARN) << "Client at IP address " << session->ipAddress.getClientAddress() << " is blacklisted and was denied a connection.";
// return NULL;
// }
// if(whiteList && !whiteList->contains(session->ipAddress.getClientAddress())) {
// session->shutdown();
// Log(LOG_WARN) << "Client at IP address " << session->ipAddress.getClientAddress() << " is not authorized and was denied a connection.";
// return NULL;
// }
return session;
}
catch(coreutils::Exception e) {
coreutils::Log(coreutils::LOG_EXCEPT) << "Major error on session initialization. Error is '" << e.text << "'.";
}
catch(...) {
coreutils::Log(coreutils::LOG_EXCEPT) << "Unnspecified error on session initialization.";
}
return NULL;
}
void TCPServer::removeFromSessionList(TCPSession *session) {
std::vector<TCPSession *>::iterator cursor;
lock.lock();
for(cursor = sessions.begin(); cursor < sessions.end(); ++cursor)
if(*cursor == session) {
sessions.erase(cursor);
break;
}
lock.unlock();
}
void TCPServer::sessionErrorHandler(std::string errorString, std::stringstream &out) {
throw coreutils::Exception(errorString);
}
TCPSession * TCPServer::getSocketAccept(EPoll &ePoll) {
return new TCPSession(ePoll, *this);
}
void TCPServer::output(std::stringstream &out) {
out << "Use the 'help' command to list the commands for this server." << std::endl;
}
int TCPServer::processCommand(coreutils::ZString &request, TCPSession &session) {
int sequence = 0;
for(auto *sessionx : sessions) {
session.out << "|" << ++sequence;
sessionx->output(session.out);
session.out << "|" << std::endl;
}
return 1;
}
void TCPServer::sendToAll(std::stringstream &data) {
for(auto session : sessions)
session->write(data.str());
data.str("");
}
void TCPServer::sendToAll(std::stringstream &data, TCPSession &sender) {
for(auto session : sessions)
if(session != &sender)
session->write(data.str());
data.str("");
}
void TCPServer::sendToAll(std::stringstream &data, TCPSession &sender, SessionFilter filter) {
for(auto session : sessions)
if(filter.test(*session))
if(session != &sender)
session->write(data.str());
data.str("");
}
}

37
TCPServer.cpp
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@ -6,25 +6,30 @@
namespace core {
TCPServer::TCPServer(EPoll &ePoll, IPAddress address, std::string delimiter, int depth, std::string text)
: TCPSocket(ePoll, text), commands(delimiter, depth) {
TCPServer::TCPServer(EPoll &ePoll,
IPAddress address,
std::string delimiter,
int depth,
std::string text
TSLServer *tls)
: TCPSocket(ePoll, text), commands(delimiter, depth), tls(tls) {
commands.add(subscriptions, "publish");
commands.add(subscriptions, "unpublish");
commands.add(subscriptions, "subscribe");
commands.add(subscriptions, "unsubscribe");
commands.add(subscriptions, "catalog");
commands.add(subscriptions, "event");
commands.add(subscriptions, "publish");
commands.add(subscriptions, "unpublish");
commands.add(subscriptions, "subscribe");
commands.add(subscriptions, "unsubscribe");
commands.add(subscriptions, "catalog");
commands.add(subscriptions, "event");
setDescriptor(socket(AF_INET, SOCK_STREAM, 0));
int yes = 1;
setsockopt(getDescriptor(), SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
setDescriptor(socket(AF_INET, SOCK_STREAM, 0));
int yes = 1;
setsockopt(getDescriptor(), SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
if(bind(getDescriptor(), address.getPointer(), address.addressLength) < 0)
throw coreutils::Exception("Error on bind to socket: " + std::to_string(errno));
if(bind(getDescriptor(), address.getPointer(), address.addressLength) < 0)
throw coreutils::Exception("Error on bind to socket: " + std::to_string(errno));
if(listen(getDescriptor(), 20) < 0)
throw coreutils::Exception("Error on listen to socket");
if(listen(getDescriptor(), 20) < 0)
throw coreutils::Exception("Error on listen to socket");
}
@ -75,7 +80,7 @@ namespace core {
if(*cursor == session) {
sessions.erase(cursor);
break;
}
}
lock.unlock();
}

6
TCPServer.h
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@ -115,6 +115,12 @@ namespace core {
SubscriptionManager subscriptions;
///
/// The TLS context for the server.
///
TLSServer *tlsServer;
protected:
///

80
TLSServer.cpp
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@ -1,66 +1,50 @@
#include "TLSServer.h"
#include "TLSSession.h"
#include "EPoll.h"
#include "TCPSession.h"
#include "Exception.h"
namespace core {
static pthread_mutex_t *lockarray;
void TLSServer::TLSServer() {
static unsigned long thread_id(void) {
return ((unsigned long) pthread_self());
}
SSL_library_init();
SSL_load_error_strings();
static void lock_callback(int mode, int type, const char *file, int line) {
if(mode & CRYPTO_LOCK)
pthread_mutex_lock(&(lockarray[type]));
else
pthread_mutex_unlock(&(lockarray[type]));
}
lockarray = (pthread_mutex_t *)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
for(int i = 0; i < CRYPTO_num_locks(); ++i)
pthread_mutex_init(&(lockarray[i]), NULL);
TLSServer::TLSServer(EPoll &ePoll, IPAddress address) : TCPServer(ePoll, address) {
CRYPTO_set_id_callback((unsigned long (*)())thread_id);
CRYPTO_set_locking_callback((void (*)(int, int, const char *, int))lock_callback);
SSL_library_init();
SSL_load_error_strings();
SSLeay_add_ssl_algorithms();
RAND_load_file("/dev/hwrng", 1024);
lockarray = (pthread_mutex_t *)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
for(int i = 0; i < CRYPTO_num_locks(); ++i)
pthread_mutex_init(&(lockarray[i]), NULL);
if(!(ctx = SSL_CTX_new(SSLv23_server_method())))
throw coreutils::Exception("Error while setting server method SSLv23.");
CRYPTO_set_id_callback((unsigned long (*)())thread_id);
CRYPTO_set_locking_callback((void (*)(int, int, const char *, int))lock_callback);
SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER);
SSL_CTX_set_generate_session_id(ctx, generate_session_id);
SSL_CTX_set_cipher_list(ctx, "ECDH-ECDSA-AES256-GCM-SHA384:DHE-DSS-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA256:DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA");
SSLeay_add_ssl_algorithms();
RAND_load_file("/dev/hwrng", 1024);
if(SSL_CTX_use_certificate_file(ctx, sip_cert, SSL_FILETYPE_PEM) <= 0)
throw coreutils::Exception("Error looking up certificate.");
if(!(ctx = SSL_CTX_new(SSLv23_server_method())))
throw coreutils::Exception("Error while setting server method SSLv23.");
SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER);
// SSL_CTX_set_generate_session_id(ctx, generate_session_id);
SSL_CTX_set_cipher_list(ctx, "ECDH-ECDSA-AES256-GCM-SHA384:DHE-DSS-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA256:DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA");
if(SSL_CTX_use_certificate_file(ctx, sip_cert, SSL_FILETYPE_PEM) <= 0)
throw coreutils::Exception("Error looking up certificate.");
if(SSL_CTX_use_PrivateKey_file(ctx, sip_key, SSL_FILETYPE_PEM) < 0)
throw coreutils::Exception("Error with private key.");
if(SSL_CTX_check_private_key(ctx) != 1)
throw coreutils::Exception("Private key does not match certificate.");
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
SSL_CTX_set_verify_depth(ctx, 1);
if(!SSL_CTX_load_verify_locations(ctx, sip_cacert, NULL))
throw coreutils::Exception("Cannot verify locations.");
SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(sip_cacert));
coreutils::Log(coreutils::LOG_DEBUG_1) << "Server key authenticated.";
}
if(SSL_CTX_use_PrivateKey_file(ctx, sip_key, SSL_FILETYPE_PEM) < 0)
throw coreutils::Exception("Error with private key.");
TLSServer::~TLSServer() {
if(SSL_CTX_check_private_key(ctx) != 1)
throw coreutils::Exception("Private key does not match certificate.");
}
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
SSL_CTX_set_verify_depth(ctx, 1);
if(!SSL_CTX_load_verify_locations(ctx, sip_cacert, NULL))
throw coreutils::Exception("Cannot verify locations.");
SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(sip_cacert));
coreutils::Log(coreutils::LOG_DEBUG_1) << "Server key authenticated.";
TCPSession * TLSServer::getSocketAccept() {
return new TLSSession(ePoll, *this);
}
}

28
TLSServer.h
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@ -1,35 +1,23 @@
#ifndef TLSServerSocket_h__
#define TLSServerSocket_h__
#ifndef __TLSServer_h__
#define __TLSServer_h__
#include "Socket.h"
#include "TCPServer.h"
#include "Command.h"
#include "TCPSession.h"
#include "IPAddress.h"
#include "pthreads.h"
namespace core {
///
/// TLSServer
///
/// Manage a socket connection as a TLS server type. Connections to the socket are processed through
/// the accept functionality.
/// Use the TLSServer object to initialize an SSL/TLS context for the server.
///
class TLSServer : public TCPServer {
class TLSServer {
public:
///
/// The constructor.
///
/// @param ePoll the BMAEPoll instance that manages the socket.
/// @param url the IP address for the socket to receive connection requests.
/// @param port the port number that the socket will listen on.
/// @param commandName the name of the command used to invoke the status display for this object.
/// @return the instance of the BMATLSServerSocket.
TLSServer(EPoll &ePoll, IPAddress address);
TLSServer();
///
/// The destructor for this object.
@ -37,8 +25,6 @@ namespace core {
~TLSServer();
TCPSession * getSocketAccept();
SSL_CTX *ctx;
private:
@ -47,6 +33,8 @@ namespace core {
char *sip_cert = (char *)"../testkeys/certs/pbxserver.crt";
char *sip_key = (char *)"../testkeys/certs/pbxserver.key";
pthread_mutex_t *lockarray;
};
}

53
TLSSession.h
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@ -1,53 +0,0 @@
#ifndef __TLSSession_h__
#define __TLSSession_h__
#include "includes"
#include "TCPSession.h"
#include "TLSServer.h"
#include <openssl/ssl.h>
namespace core {
class TLSServer;
///
/// TLSSession
///
/// Provides a network TLS socket.
///
/// For accessing TLS network functions use this object. The connection oriented nature of TLS
/// provides a single client persistent connection with data error correction and a durable
/// synchronous data connection.
///
class TLSSession : public TCPSession {
public:
TLSSession(EPoll &ePoll, TCPServer &server);
~TLSSession();
///
/// The output method is called by a socket session (Session) and
/// will output the detail information for the client socket. When extending
/// TLSSocket or Session you can override the method to add attributes
/// to the list.
///
virtual void output(std::stringstream &out);
virtual void protocol(coreutils::ZString &data) override;
protected:
void receiveData(coreutils::ZString &buffer) override;
void onRegister();
void onRegistered();
private:
bool initialized = false;
SSL *ssl;
};
}
#endif

24
TLSSession.cpp → TLSSocket.cpp
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@ -1,11 +1,25 @@
#include "TLSSession.h"
#include "EPoll.h"
#include "Log.h"
#include "TLS.h"
#include "Exception.h"
namespace core {
static int generate_session_id(const SSL *ssl, unsigned char *id, unsigned int *id_len) {
static unsigned long thread_id(void) {
return ((unsigned long) pthread_self());
}
static void lock_callback(int mode, int type, const char *file, int line) {
if(mode & CRYPTO_LOCK)
pthread_mutex_lock(&(lockarray[type]));
else
pthread_mutex_unlock(&(lockarray[type]));
}
TLS::~TLS() {
}
static int generate_session_id(const SSL *ssl, unsigned char *id, unsigned int *id_len) {
char *session_id_prefix = (char *)"BARANT";
unsigned int count = 0;
coreutils::Log(coreutils::LOG_DEBUG_3) << "Generating unique session id.";
@ -119,5 +133,5 @@ namespace core {
out << "|" << ipAddress.getClientAddressAndPort();
}
}
}

21
TLSSocket.h Normal file
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@ -0,0 +1,21 @@
#ifndef __TLSSocket_h__
#define __TLSSocket_h__
namespace core {
///
/// Instantiate the TLSSocket object into the TCPSocket to
/// encrypt the TCP connection.
///
class TLSSocket {
public:
TLSSocket();
~TLSSocket();
};
}
#endif