int sslAccept(sslConn_t **cpp, SOCKET fd, sslKeys_t *keys, int (*certValidator)(sslCertInfo_t *t, void *arg), int flags) { sslConn_t *conn; unsigned char buf[1024]; int status, rc; conn = calloc(sizeof(sslConn_t), 1); conn->fd = fd; if (matrixSslNewSession(&conn->ssl, keys, NULL, SSL_FLAGS_SERVER | flags) < 0) { sslFreeConnection(&conn); return -1; } #ifdef USE_CLIENT_AUTH matrixSslSetCertValidator(conn->ssl, certValidator, keys); #endif /* USE_CLIENT_AUTH */ memset(&conn->inbuf, 0x0, sizeof(sslBuf_t)); conn->insock.size = 1024; conn->insock.start = conn->insock.end = conn->insock.buf = (unsigned char *)malloc(conn->insock.size); conn->outsock.size = 1024; conn->outsock.start = conn->outsock.end = conn->outsock.buf = (unsigned char *)malloc(conn->outsock.size); conn->inbuf.size = 0; conn->inbuf.start = conn->inbuf.end = conn->inbuf.buf = NULL; *cpp = conn; readMore: rc = sslRead(conn, buf, sizeof(buf), &status); if (rc == 0) { if (status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { sslFreeConnection(&conn); return -1; } if (matrixSslHandshakeIsComplete(conn->ssl) == 0) { goto readMore; } } else if (rc > 0) { socketAssert(0); return -1; } else { fprintf(stderr, "sslRead error in sslAccept\n"); sslFreeConnection(&conn); return -1; } *cpp = conn; return 0; }
/* Client side. Make a socket connection and go through the SSL handshake phase in blocking mode. The last parameter is an optional function callback for user-level certificate validation. NULL if not needed. */ int sslConnect(sslConn_t **cpp, SOCKET fd, sslKeys_t *keys, sslSessionId_t *id, short cipherSuite, int (*certValidator)(sslCertInfo_t *t, void *arg)) { sslConn_t *conn; /* Create a new SSL session for the new socket and register the user certificate validator */ conn = calloc(sizeof(sslConn_t), 1); conn->fd = fd; if (matrixSslNewSession(&conn->ssl, keys, id, 0) < 0) { sslFreeConnection(&conn); return -1; } matrixSslSetCertValidator(conn->ssl, certValidator, NULL); *cpp = sslDoHandshake(conn, cipherSuite); if (*cpp == NULL) { return -1; } return 0; }
int sslConnect(sslConn_t **cpp, SOCKET fd, sslKeys_t *keys, sslSessionId_t *id, short cipherSuite, int (*certValidator)(sslCertInfo_t *t, void *arg)) { sslConn_t *conn; conn = calloc(sizeof(sslConn_t), 1); conn->fd = fd; if (matrixSslNewSession(&conn->ssl, keys, id, 0) < 0) { fprintf(stderr, "error %s:%d\n",__FILE__,__LINE__); sslFreeConnection(&conn); return -1; } matrixSslSetCertValidator(conn->ssl, certValidator, keys); *cpp = sslDoHandshake(conn, cipherSuite); if (*cpp == NULL) { fprintf(stderr, "error %s:%d\n",__FILE__,__LINE__); return -1; } return 0; }
sslConn_t *sslDoHandshake(sslConn_t *conn, short cipherSuite) { char buf[1024]; int bytes, status, rc; conn->insock.size = 1024; conn->insock.start = conn->insock.end = conn->insock.buf = (unsigned char *)malloc(conn->insock.size); conn->outsock.size = 1024; conn->outsock.start = conn->outsock.end = conn->outsock.buf = (unsigned char *)malloc(conn->outsock.size); conn->inbuf.size = 0; conn->inbuf.start = conn->inbuf.end = conn->inbuf.buf = NULL; bytes = matrixSslEncodeClientHello(conn->ssl, &conn->outsock, cipherSuite); if (bytes < 0) { fprintf(stderr, "error %s:%d\n",__FILE__,__LINE__); socketAssert(bytes < 0); goto error; } if (psSocketWrite(conn->fd, &conn->outsock) < 0) { fprintf(stdout, "Error in socketWrite\n"); goto error; } conn->outsock.start = conn->outsock.end = conn->outsock.buf; readMore: rc = sslRead(conn, buf, sizeof(buf), &status); if (rc == 0) { if (status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { fprintf(stderr, "error %s:%d\n",__FILE__,__LINE__); goto error; } if (matrixSslHandshakeIsComplete(conn->ssl) == 0) { goto readMore; } } else if (rc > 0) { fprintf(stderr, "sslRead got %d data in sslDoHandshake %s\n", rc, buf); goto readMore; } else { fprintf(stderr, "sslRead error in sslDoHandhake\n"); goto error; } return conn; error: fprintf(stderr, "error %s:%d\n",__FILE__,__LINE__); sslFreeConnection(&conn); return NULL; }
void closeProxyConnection(struct proxyConnection *cp) { if(!(cp->error || cp->done) && !(cp->secure_eof && cp->plain_eof)) return; DLOG("Closing connection"); int secure_fd=cp->secure->fd; int status=0; if(cp->secure_up && !cp->error) { sslWriteClosureAlert(cp->secure); } status=close(cp->secure->fd); socketShutdown(cp->secure->fd); sslFreeConnection(&cp->secure); status=close(cp->plain); socketShutdown(cp->plain); memset(cp,0,sizeof(struct proxyConnection)); ILOG("Connection closed"); }
/* Server side. Accept an incomming SSL connection request. 'conn' will be filled in with information about the accepted ssl connection return -1 on error, 0 on success, or WOULD_BLOCK for non-blocking sockets */ int sslAccept(sslConn_t **conn, SOCKET fd, sslKeys_t *keys, int32 resume, int32 (*certValidator)(ssl_t *, psX509Cert_t *, int32)) { sslConn_t *cp; int rc; if (resume == 0) { /* Associate a new ssl session with this socket. The session represents the state of the ssl protocol over this socket. Session caching is handled automatically by this api. */ cp = balloc(B_L, sizeof(sslConn_t)); memset(cp, 0x0, sizeof(sslConn_t)); cp->fd = fd; if (matrixSslNewServerSession(&cp->ssl, keys, certValidator) < 0) { sslFreeConnection(&cp); return -1; } #ifdef USE_NONBLOCKING_SSL_SOCKETS /* Set this ourselves, "just to make sure" */ setSocketNonblock(fd); #endif } else { cp = *conn; } /* This call will perform the SSL handshake */ rc = sslRead(cp, NULL, 0); if (rc < 0) { return -1; } *conn = cp; return 0; }
int main(int argc, char **argv) #endif { sslConn_t *cp; sslKeys_t *keys; SOCKET listenfd, fd; WSADATA wsaData; unsigned char buf[1024]; unsigned char *response, *c; int responseHdrLen, acceptAgain, flags; int bytes, status, quit, again, rc, err; #if USE_MEM_CERTS unsigned char *servBin, *servKeyBin, *caBin; int servBinLen, caBinLen, servKeyBinLen; #endif cp = NULL; /* Initialize Windows sockets (no-op on other platforms) */ WSAStartup(MAKEWORD(1,1), &wsaData); /* Initialize the MatrixSSL Library, and read in the public key (certificate) and private key. */ if (matrixSslOpen() < 0) { fprintf(stderr, "matrixSslOpen failed, exiting..."); } #if USE_MEM_CERTS /* Example of DER binary certs for matrixSslReadKeysMem */ getFileBin("certSrv.der", &servBin, &servBinLen); getFileBin("privkeySrv.der", &servKeyBin, &servKeyBinLen); getFileBin("CACertCln.der", &caBin, &caBinLen); matrixSslReadKeysMem(&keys, servBin, servBinLen, servKeyBin, servKeyBinLen, caBin, caBinLen); free(servBin); free(servKeyBin); free(caBin); #else /* Standard PEM files */ if (matrixSslReadKeys(&keys, certfile, keyfile, NULL, NULL) < 0) { fprintf(stderr, "Error reading or parsing %s or %s.\n", certfile, keyfile); goto promptAndExit; } #endif /* USE_MEM_CERTS */ fprintf(stdout, "Run httpsClient or type https://127.0.0.1:%d into your local Web browser.\n", HTTPS_PORT); /* Create the listen socket */ if ((listenfd = socketListen(HTTPS_PORT, &err)) == INVALID_SOCKET) { fprintf(stderr, "Cannot listen on port %d\n", HTTPS_PORT); goto promptAndExit; } /* Set blocking or not on the listen socket */ setSocketBlock(listenfd); /* Loop control initalization */ quit = 0; again = 0; flags = 0; acceptAgain = 1; /* Main connection loop */ while (!quit) { if (acceptAgain) { /* sslAccept creates a new server session */ /* TODO - deadlock on blocking socket accept. Should disable blocking here */ if ((fd = socketAccept(listenfd, &err)) == INVALID_SOCKET) { fprintf(stdout, "Error accepting connection: %d\n", err); continue; } if ((rc = sslAccept(&cp, fd, keys, NULL, flags)) != 0) { socketShutdown(fd); continue; } flags = 0; acceptAgain = 0; } /* Read response < 0 return indicates an error. 0 return indicates an EOF or CLOSE_NOTIFY in this situation > 0 indicates that some bytes were read. Keep reading until we see the /r/n/r/n from the GET request. We don't actually parse the request, we just echo it back. */ c = buf; readMore: if ((rc = sslRead(cp, c, sizeof(buf) - (int)(c - buf), &status)) > 0) { c += rc; if (c - buf < 4 || memcmp(c - 4, "\r\n\r\n", 4) != 0) { goto readMore; } } else { if (rc < 0) { fprintf(stdout, "sslRead error. dropping connection.\n"); } if (rc < 0 || status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { socketShutdown(cp->fd); sslFreeConnection(&cp); acceptAgain = 1; continue; } goto readMore; } /* Done reading. If the incoming data starts with the quitString, quit the application after this request */ if (memcmp(buf, quitString, min(c - buf, (int)strlen(quitString))) == 0) { quit++; fprintf(stdout, "Q"); } /* If the incoming data starts with the againString, we are getting a pipeline request on the same session. Don't close and wait for new connection in this case. */ if (memcmp(buf, againString, min(c - buf, (int)strlen(againString))) == 0) { again++; fprintf(stdout, "A"); } else { fprintf(stdout, "R"); again = 0; } /* Copy the canned response header and decoded data from socket as the response (reflector) */ responseHdrLen = (int)strlen(responseHdr); bytes = responseHdrLen + (int)(c - buf); response = malloc(bytes); memcpy(response, responseHdr, responseHdrLen); memcpy(response + responseHdrLen, buf, c - buf); /* Send response. < 0 return indicates an error. 0 return indicates not all data was sent and we must retry > 0 indicates that all requested bytes were sent */ writeMore: rc = sslWrite(cp, response, bytes, &status); if (rc < 0) { free(response); fprintf(stdout, "Internal sslWrite error\n"); socketShutdown(cp->fd); sslFreeConnection(&cp); continue; } else if (rc == 0) { goto writeMore; } free(response); /* If we saw an /again request, loop up and process another pipelined HTTP request. The /again request is supported in the httpsClient example code. */ if (again) { continue; } /* Send a closure alert for clean shutdown of remote SSL connection This is for good form, some implementations just close the socket */ sslWriteClosureAlert(cp); /* Close the socket and wait for next connection (new session) */ socketShutdown(cp->fd); sslFreeConnection(&cp); acceptAgain = 1; } /* Close listening socket, free remaining items */ if (cp && cp->ssl) { socketShutdown(cp->fd); sslFreeConnection(&cp); } socketShutdown(listenfd); matrixSslFreeKeys(keys); matrixSslClose(); WSACleanup(); promptAndExit: fprintf(stdout, "\n\nPress return to exit...\n"); getchar(); return 0; }
/* Construct the initial HELLO message to send to the server and initiate the SSL handshake. Can be used in the re-handshake scenario as well. */ sslConn_t *sslDoHandshake(sslConn_t *conn, short cipherSuite) { char buf[1024]; int bytes, status, rc; /* MatrixSSL doesn't provide buffers for data internally. Define them here to support buffered reading and writing for non-blocking sockets. Although it causes quite a bit more work, we support dynamically growing the buffers as needed. Alternately, we could define 16K buffers here and not worry about growing them. */ conn->insock.size = 1024; conn->insock.start = conn->insock.end = conn->insock.buf = (unsigned char *)malloc(conn->insock.size); conn->outsock.size = 1024; conn->outsock.start = conn->outsock.end = conn->outsock.buf = (unsigned char *)malloc(conn->outsock.size); conn->inbuf.size = 0; conn->inbuf.start = conn->inbuf.end = conn->inbuf.buf = NULL; bytes = matrixSslEncodeClientHello(conn->ssl, &conn->outsock, cipherSuite); if (bytes < 0) { socketAssert(bytes < 0); goto error; } /* Send the hello with a blocking write */ if (psSocketWrite(conn->fd, &conn->outsock) < 0) { fprintf(stdout, "Error in socketWrite\n"); goto error; } conn->outsock.start = conn->outsock.end = conn->outsock.buf; /* Call sslRead to work through the handshake. Not actually expecting data back, so the finished case is simply when the handshake is complete. */ readMore: rc = sslRead(conn, buf, sizeof(buf), &status); /* Reading handshake records should always return 0 bytes, we aren't expecting any data yet. */ if (rc == 0) { if (status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { goto error; } if (matrixSslHandshakeIsComplete(conn->ssl) == 0) { goto readMore; } } else if (rc > 0) { fprintf(stderr, "sslRead got %d data in sslDoHandshake %s\n", rc, buf); goto readMore; } else { fprintf(stderr, "sslRead error in sslDoHandhake\n"); goto error; } return conn; error: sslFreeConnection(&conn); return NULL; }
/* Client side. Open a socket connection to a remote ip and port. This code is not specific to SSL. */ SOCKET socketConnect(char *ip, short port, int *err) { struct sockaddr_in addr; SOCKET fd; int rc; struct hostent *hent; char ipbuf[20]; if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { fprintf(stderr, "Error creating socket\n"); *err = getSocketError(); return INVALID_SOCKET; } /* Make sure the socket is not inherited by exec'd processes Set the REUSEADDR flag to minimize the number of sockets in TIME_WAIT */ fcntl(fd, F_SETFD, FD_CLOEXEC); rc = 1; // setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&rc, sizeof(rc)); setSocketNodelay(fd); /* Turn on blocking mode for the connecting socket */ setSocketBlock(fd); /* //Marked by Gemtek hent = gethostbyname(ip); if (!hent) { fprintf(stderr, "Error resolving host\n"); } */ memset((char *) &addr, 0x0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = htons(port); //Gemtek added sprintf( ipbuf ,"%s", "127.0.0.1" ); fprintf( stderr , "ip:port ==> %s:%d\n" , ipbuf , port ); //Gemtek added if( NULL != ip && strlen( ipbuf ) >= 7 && 0!=strcmp( ipbuf , "localhost") ) { //bcopy(hent->h_addr, &addr.sin_addr, hent->h_length); addr.sin_addr.s_addr = inet_addr( ipbuf ) ; } rc = connect(fd, (struct sockaddr *)&addr, sizeof(addr)); #if WIN if (rc != 0) { #else if (rc < 0) { #endif *err = getSocketError(); return INVALID_SOCKET; } return fd; } /******************************************************************************/ /* Server side. Accept an incomming SSL connection request. 'conn' will be filled in with information about the accepted ssl connection return -1 on error, 0 on success, or WOULD_BLOCK for non-blocking sockets */ int sslAccept(sslConn_t **cpp, SOCKET fd, sslKeys_t *keys, int (*certValidator)(sslCertInfo_t *t, void *arg), int flags) { sslConn_t *conn; unsigned char buf[1024]; int status, rc; /* Associate a new ssl session with this socket. The session represents the state of the ssl protocol over this socket. Session caching is handled automatically by this api. */ conn = calloc(sizeof(sslConn_t), 1); conn->fd = fd; if (matrixSslNewSession(&conn->ssl, keys, NULL, SSL_FLAGS_SERVER | flags) < 0) { sslFreeConnection(&conn); return -1; } /* MatrixSSL doesn't provide buffers for data internally. Define them here to support buffered reading and writing for non-blocking sockets. Although it causes quite a bit more work, we support dynamically growing the buffers as needed. Alternately, we could define 16K buffers here and not worry about growing them. */ memset(&conn->inbuf, 0x0, sizeof(sslBuf_t)); conn->insock.size = 10240; conn->insock.start = conn->insock.end = conn->insock.buf = (unsigned char *)malloc(conn->insock.size); conn->outsock.size = 10240; conn->outsock.start = conn->outsock.end = conn->outsock.buf = (unsigned char *)malloc(conn->outsock.size); conn->inbuf.size = 0; conn->inbuf.start = conn->inbuf.end = conn->inbuf.buf = NULL; *cpp = conn; readMore: rc = sslRead(conn, buf, sizeof(buf), &status); /* Reading handshake records should always return 0 bytes, we aren't expecting any data yet. */ if (rc == 0) { if (status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { sslFreeConnection(&conn); return -1; } if (matrixSslHandshakeIsComplete(conn->ssl) == 0) { goto readMore; } } else if (rc > 0) { socketAssert(0); return -1; } else { fprintf(stderr, "sslRead error in sslAccept\n"); sslFreeConnection(&conn); return -1; } *cpp = conn; return 0; }
int main(int argc, char **argv) #endif { sslSessionId_t *sessionId; sslConn_t *conn; sslKeys_t *keys; WSADATA wsaData; SOCKET fd; short cipherSuite; unsigned char *ip, *c, *requestBuf; unsigned char buf[1024]; int iterations, requests, connectAgain, status; int quit, rc, bytes, i, j, err; time_t t0, t1; #if REUSE int anonStatus; #endif #if VXWORKS int argc; char **argv; parseCmdLineArgs(arg1, &argc, &argv); #endif /* VXWORKS */ #if WINCE int argc; char **argv; char args[256]; /* * parseCmdLineArgs expects an ASCII string and CE is unicoded, so convert * the command line. args will get hacked up, so you can't pass in a * static string. */ WideCharToMultiByte(CP_ACP, 0, lpCmdLine, -1, args, 256, NULL, NULL); /* * Parse the command line into an argv array. This allocs memory, so * we have to free argv when we're done. */ parseCmdLineArgs(args, &argc, &argv); #endif /* WINCE */ conn = NULL; /* First (optional) argument is ip address to connect to (port is hardcoded) Second (optional) argument is number of iterations to perform Third (optional) argument is number of keepalive HTTP requests Fourth (optional) argument is cipher suite number to use (0 for any) */ ip = HTTPS_IP; iterations = ITERATIONS; requests = REQUESTS; cipherSuite = 0x0000; if (argc > 1) { ip = argv[1]; if (argc > 2) { iterations = atoi(argv[2]); socketAssert(iterations > 0); if (argc > 3) { requests = atoi(argv[3]); socketAssert(requests > 0); if (argc > 4) { cipherSuite = (short)atoi(argv[4]); } } } } /* Initialize Windows sockets (no-op on other platforms) */ WSAStartup(MAKEWORD(1,1), &wsaData); /* Initialize the MatrixSSL Library, and read in the certificate file used to validate the server. */ if (matrixSslOpen() < 0) { fprintf(stderr, "matrixSslOpen failed, exiting..."); } sessionId = NULL; if (matrixSslReadKeys(&keys, NULL, NULL, NULL, CAfile) < 0) { goto promptAndExit; } /* Intialize loop control variables */ quit = 0; connectAgain = 1; i = 1; /* Just reuse the requestBuf and malloc to largest possible message size */ requestBuf = malloc(sizeof(requestAgain)); t0 = time(0); /* Main ITERATIONS loop */ while (!quit && (i < iterations)) { /* sslConnect uses port and ip address to connect to SSL server. Generates a new session */ if (connectAgain) { if ((fd = socketConnect(ip, HTTPS_PORT, &err)) == INVALID_SOCKET) { fprintf(stdout, "Error connecting to server %s:%d\n", ip, HTTPS_PORT); matrixSslFreeKeys(keys); goto promptAndExit; } if (sslConnect(&conn, fd, keys, sessionId, cipherSuite, certChecker) < 0) { quit = 1; socketShutdown(fd); fprintf(stderr, "Error connecting to %s:%d\n", ip, HTTPS_PORT); continue; } i++; connectAgain = 0; j = 1; } if (conn == NULL) { quit++; continue; } /* Copy the HTTP request header into the buffer, based of whether or not we want httpReflector to keep the socket open or not */ if (j == requests) { bytes = (int)strlen(request); memcpy(requestBuf, request, bytes); } else { bytes = (int)strlen(requestAgain); memcpy(requestBuf, requestAgain, bytes); } /* Send request. < 0 return indicates an error. 0 return indicates not all data was sent and we must retry > 0 indicates that all requested bytes were sent */ writeMore: rc = sslWrite(conn, requestBuf, bytes, &status); if (rc < 0) { fprintf(stdout, "Internal sslWrite error\n"); socketShutdown(conn->fd); sslFreeConnection(&conn); continue; } else if (rc == 0) { goto writeMore; } /* Read response < 0 return indicates an error. 0 return indicates an EOF or CLOSE_NOTIFY in this situation > 0 indicates that some bytes were read. Keep reading until we see the /r/n/r/n from the response header. There may be data following this header, but we don't try too hard to read it for this example. */ c = buf; readMore: if ((rc = sslRead(conn, c, sizeof(buf) - (int)(c - buf), &status)) > 0) { c += rc; if (c - buf < 4 || memcmp(c - 4, "\r\n\r\n", 4) != 0) { goto readMore; } } else { if (rc < 0) { fprintf(stdout, "sslRead error. dropping connection.\n"); } if (rc < 0 || status == SSLSOCKET_EOF || status == SSLSOCKET_CLOSE_NOTIFY) { socketShutdown(conn->fd); sslFreeConnection(&conn); continue; } goto readMore; } /* Determine if we want to do a pipelined HTTP request/response */ if (j++ < requests) { fprintf(stdout, "R"); continue; } else { fprintf(stdout, "C"); } /* Reuse the session. Comment out these two lines to test the entire public key renegotiation each iteration */ #if REUSE matrixSslFreeSessionId(sessionId); matrixSslGetSessionId(conn->ssl, &sessionId); /* This example shows how a user might want to limit a client to resuming handshakes only with authenticated servers. In this example, the client will force any non-authenticated (anonymous) server to go through a complete handshake each time. This is strictly an example of one policy decision an implementation might wish to make. */ matrixSslGetAnonStatus(conn->ssl, &anonStatus); if (anonStatus) { matrixSslFreeSessionId(sessionId); sessionId = NULL; } #endif /* Send a closure alert for clean shutdown of remote SSL connection This is for good form, some implementations just close the socket */ sslWriteClosureAlert(conn); /* Session done. Connect again if more iterations remaining */ socketShutdown(conn->fd); sslFreeConnection(&conn); connectAgain = 1; } t1 = time(0); free(requestBuf); matrixSslFreeSessionId(sessionId); if (conn && conn->ssl) { socketShutdown(conn->fd); sslFreeConnection(&conn); } fprintf(stdout, "\n%d connections in %d seconds (%f c/s)\n", i, (int)(t1 - t0), (double)i / (t1 - t0)); fprintf(stdout, "\n%d requests in %d seconds (%f r/s)\n", i * requests, (int)(t1 - t0), (double)(i * requests) / (t1 - t0)); /* Close listening socket, free remaining items */ matrixSslFreeKeys(keys); matrixSslClose(); WSACleanup(); promptAndExit: fprintf(stdout, "Press return to exit...\n"); getchar(); #if WINCE || VXWORKS if (argv) { free((void*) argv); } #endif /* WINCE */ return 0; }
SP_MatrixsslChannel :: ~SP_MatrixsslChannel() { if( NULL != mConn ) { sslFreeConnection( &mConn ); } }