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-rw-r--r--core.cpp111
-rw-r--r--core.h33
2 files changed, 93 insertions, 51 deletions
diff --git a/core.cpp b/core.cpp
index b67f0a2..fc54013 100644
--- a/core.cpp
+++ b/core.cpp
@@ -17,11 +17,6 @@
#include "core.h"
-Client *clients[CLIENT_LIMIT];
-Server *servers[SERVER_LIMIT];
-int clientCount, serverCount;
-bool quitFlag = false;
-
static gnutls_dh_params_t dh_params;
static gnutls_certificate_credentials_t serverCreds, clientCreds;
@@ -50,17 +45,10 @@ static bool isNullSessionKey(uint8_t *key) {
return true;
}
-static Client *findClientWithKey(uint8_t *key) {
- for (int i = 0; i < clientCount; i++)
- if (!memcmp(clients[i]->sessionKey, key, SESSION_KEY_SIZE))
- return clients[i];
-
- return 0;
-}
-
-SocketRWCommon::SocketRWCommon() {
+SocketRWCommon::SocketRWCommon(NetCore *_netCore) {
+ netCore = _netCore;
sock = -1;
state = CS_DISCONNECTED;
tlsActive = false;
@@ -196,7 +184,7 @@ void SocketRWCommon::writeAction() {
-Client::Client() {
+Client::Client(NetCore *_netCore) : SocketRWCommon(_netCore) {
authState = AS_LOGIN_WAIT;
memset(sessionKey, 0, sizeof(sessionKey));
readBufPosition = 0;
@@ -292,9 +280,9 @@ void Client::generateSessionKey() {
// to check just in case!
bool foundMatch = false;
- for (int i = 0; i < clientCount; i++) {
- if (clients[i] != this) {
- if (!memcmp(clients[i]->sessionKey, sessionKey, SESSION_KEY_SIZE))
+ for (int i = 0; i < netCore->clientCount; i++) {
+ if (netCore->clients[i] != this) {
+ if (!memcmp(netCore->clients[i]->sessionKey, sessionKey, SESSION_KEY_SIZE))
foundMatch = true;
}
}
@@ -318,32 +306,33 @@ void Client::handleCommand(char *line, int size) {
if (strncmp(line, "all ", 4) == 0) {
Buffer pkt;
pkt.writeStr(&line[4]);
- for (int i = 0; i < clientCount; i++)
- clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
+ for (int i = 0; i < netCore->clientCount; i++)
+ netCore->clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
} else if (strcmp(line, "quit") == 0) {
- quitFlag = true;
+ netCore->quitFlag = true;
} else if (strncmp(line, "resolve ", 8) == 0) {
DNS::makeQuery(&line[8]);
} else if (strncmp(&line[1], "ddsrv ", 6) == 0) {
- servers[serverCount] = new Server;
- strcpy(servers[serverCount]->ircHostname, &line[7]);
- servers[serverCount]->ircPort = 1191;
- servers[serverCount]->ircUseTls = (line[0] == 's');
- serverCount++;
+ int srvID = netCore->serverCount;
+ netCore->servers[srvID] = new Server(netCore);
+ strcpy(netCore->servers[srvID]->ircHostname, &line[7]);
+ netCore->servers[srvID]->ircPort = 1191;
+ netCore->servers[srvID]->ircUseTls = (line[0] == 's');
+ netCore->serverCount++;
Buffer pkt;
pkt.writeStr("Your wish is my command!");
- for (int i = 0; i < clientCount; i++)
- clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
+ for (int i = 0; i < netCore->clientCount; i++)
+ netCore->clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
} else if (strncmp(line, "connsrv", 7) == 0) {
int sid = line[7] - '0';
- servers[sid]->beginConnect();
+ netCore->servers[sid]->beginConnect();
} else if (line[0] >= '0' && line[0] <= '9') {
int sid = line[0] - '0';
- servers[sid]->outputBuf.append(&line[1], size - 1);
- servers[sid]->outputBuf.append("\r\n", 2);
+ netCore->servers[sid]->outputBuf.append(&line[1], size - 1);
+ netCore->servers[sid]->outputBuf.append("\r\n", 2);
}
} else {
}
@@ -391,7 +380,7 @@ void Client::handlePacket(Packet::Type type, char *data, int size) {
printf("[fd=%d] Trying to resume session...", sock);
printf("(last they received = %d, last we sent = %d)\n", lastReceivedByClient, nextPacketID - 1);
- Client *other = findClientWithKey(reqKey);
+ Client *other = netCore->findClientWithSessionKey(reqKey);
printf("[fd=%d] Got client %p\n", sock, other);
if (other && other->authState == AS_AUTHED) {
@@ -552,7 +541,7 @@ void Client::sendPacketOverWire(const Packet *packet) {
-Server::Server() {
+Server::Server(NetCore *_netCore) : SocketRWCommon(_netCore) {
dnsQueryId = -1;
ircUseTls = false;
}
@@ -568,9 +557,9 @@ void Server::handleLine(char *line, int size) {
Buffer pkt;
pkt.writeStr(line, size);
- for (int i = 0; i < clientCount; i++)
- if (clients[i]->authState == Client::AS_AUTHED)
- clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
+ for (int i = 0; i < netCore->clientCount; i++)
+ if (netCore->clients[i]->authState == Client::AS_AUTHED)
+ netCore->clients[i]->sendPacket(Packet::B2C_STATUS, pkt);
}
void Server::processReadBuffer() {
// Try to process as many lines as we can
@@ -736,32 +725,35 @@ bool initTLS() {
}
-int main(int argc, char **argv) {
+NetCore::NetCore() {
clientCount = 0;
for (int i = 0; i < CLIENT_LIMIT; i++)
clients[i] = NULL;
serverCount = 0;
for (int i = 0; i < SERVER_LIMIT; i++)
servers[i] = NULL;
+}
+Client *NetCore::findClientWithSessionKey(uint8_t *key) const {
+ for (int i = 0; i < clientCount; i++)
+ if (!memcmp(clients[i]->sessionKey, key, SESSION_KEY_SIZE))
+ return clients[i];
- if (!initTLS())
- return 0;
-
- DNS::start();
-
+ return 0;
+}
+int NetCore::execute() {
// prepare the listen socket
int listener = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (listener == -1) {
perror("Could not create the listener socket");
- return 1;
+ return -1;
}
int v = 1;
if (setsockopt(listener, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v)) == -1) {
perror("Could not set SO_REUSEADDR");
- return 1;
+ return -2;
}
sockaddr_in listenAddr;
@@ -771,17 +763,17 @@ int main(int argc, char **argv) {
if (bind(listener, (sockaddr *)&listenAddr, sizeof(listenAddr)) == -1) {
perror("Could not bind to the listener socket");
- return 1;
+ return -3;
}
if (!setSocketNonBlocking(listener)) {
perror("[Listener] Could not set non-blocking");
- return 1;
+ return -4;
}
if (listen(listener, 10) == -1) {
perror("Could not listen()");
- return 1;
+ return -5;
}
printf("Listening!\n");
@@ -924,7 +916,7 @@ int main(int argc, char **argv) {
// Create a new connection
printf("[%d] New connection, fd=%d\n", clientCount, sock);
- Client *client = new Client;
+ Client *client = constructClient();
clients[clientCount] = client;
++clientCount;
@@ -943,6 +935,29 @@ int main(int argc, char **argv) {
shutdown(listener, SHUT_RDWR);
close(listener);
+
+ return 0;
+}
+
+
+Client *Bouncer::constructClient() {
+ return new Client(this);
}
+int main(int argc, char **argv) {
+ if (!initTLS())
+ return EXIT_FAILURE;
+
+ DNS::start();
+
+ Bouncer bounce;
+
+ int errcode = bounce.execute();
+ if (errcode < 0) {
+ printf("(Bouncer::execute failed with %d)\n", errcode);
+ return EXIT_FAILURE;
+ } else {
+ return EXIT_SUCCESS;
+ }
+} \ No newline at end of file
diff --git a/core.h b/core.h
index 93a1e19..e259d7a 100644
--- a/core.h
+++ b/core.h
@@ -14,7 +14,11 @@
#define SERVE_VIA_TLS false
+struct NetCore;
+
struct SocketRWCommon {
+ NetCore *netCore;
+
Buffer inputBuf, outputBuf;
enum ConnState {
@@ -30,7 +34,7 @@ struct SocketRWCommon {
gnutls_session_t tls;
bool tlsActive;
- SocketRWCommon();
+ SocketRWCommon(NetCore *_netCore);
virtual ~SocketRWCommon();
void tryTLSHandshake();
@@ -76,7 +80,7 @@ struct Client : SocketRWCommon {
std::list<Packet *> packetCache;
int nextPacketID, lastReceivedPacketID;
- Client();
+ Client(NetCore *_netCore);
~Client();
void startService(int _sock, bool withTls);
@@ -102,7 +106,7 @@ struct Server : SocketRWCommon {
int dnsQueryId;
bool ircUseTls;
- Server();
+ Server(NetCore *_netCore);
~Server();
void beginConnect();
@@ -117,4 +121,27 @@ private:
};
+struct NetCore {
+ NetCore();
+
+ Client *clients[CLIENT_LIMIT];
+ Server *servers[SERVER_LIMIT];
+ int clientCount;
+ int serverCount;
+
+ bool quitFlag;
+
+ int execute();
+
+ Client *findClientWithSessionKey(uint8_t *key) const;
+private:
+ virtual Client *constructClient() = 0;
+};
+
+struct Bouncer : NetCore {
+private:
+ virtual Client *constructClient();
+};
+
+
#endif /* CORE_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 07:06:10 +0000