void TCPStream_CFNetwork::secure() {
if (state != Stream::State::Open) {
return;
}
state = Stream::State::OpenAndSecuring;
OSStatus status = noErr;
secureLayerContext = SSLCreateContext(kCFAllocatorDefault, kSSLClientSide, kSSLStreamType);
status = SSLSetConnection(secureLayerContext, reinterpret_cast<SSLConnectionRef>(this));
if (status != noErr) {
handleSecuringFailedEvent();
return;
}
status = SSLSetIOFuncs(secureLayerContext,
TCPStream_CFNetwork::secureTransportReadCallback,
TCPStream_CFNetwork::secureTransportWriteCallback);
if (status != noErr) {
handleSecuringFailedEvent();
return;
}
status = SSLSetPeerDomainName(secureLayerContext, domainName.c_str(), domainName.size());
if (status != noErr) {
handleSecuringFailedEvent();
return;
}
do {
status = SSLHandshake(secureLayerContext);
} while (status == errSSLWouldBlock);
switch (status) {
default:
//TODO: Log this!
handleSecuringFailedEvent();
return;
case errSSLFatalAlert:
handleSecuringFailedEvent();
return;
case errSSLUnknownRootCert:
case errSSLNoRootCert:
case errSSLCertExpired:
case errSSLXCertChainInvalid:
//TODO: The UI (if any) should probably ask what to do instead of simply failing.
handleSecuringFailedEvent();
return;
case errSSLClientCertRequested:
//TODO: The App should supply this. Add an event handler.
handleSecuringFailedEvent();
return;
case noErr:
state = Stream::State::OpenAndSecured;
handleSecuredEvent();
return;
}
}
BOOL schan_imp_create_session(schan_imp_session *session, BOOL is_server,
schan_imp_certificate_credentials cred)
{
struct mac_session *s;
OSStatus status;
TRACE("(%p, %d)\n", session, is_server);
s = HeapAlloc(GetProcessHeap(), 0, sizeof(*s));
if (!s)
return FALSE;
status = SSLNewContext(is_server, &s->context);
if (status != noErr)
{
ERR("Failed to create session context: %ld\n", (long)status);
goto fail;
}
status = SSLSetConnection(s->context, s);
if (status != noErr)
{
ERR("Failed to set session connection: %ld\n", (long)status);
goto fail;
}
status = SSLSetEnableCertVerify(s->context, FALSE);
if (status != noErr)
{
ERR("Failed to disable certificate verification: %ld\n", (long)status);
goto fail;
}
status = SSLSetProtocolVersionEnabled(s->context, kSSLProtocol2, FALSE);
if (status != noErr)
{
ERR("Failed to disable SSL version 2: %ld\n", (long)status);
goto fail;
}
status = SSLSetIOFuncs(s->context, schan_pull_adapter, schan_push_adapter);
if (status != noErr)
{
ERR("Failed to set session I/O funcs: %ld\n", (long)status);
goto fail;
}
TRACE(" -> %p/%p\n", s, s->context);
*session = (schan_imp_session)s;
return TRUE;
fail:
HeapFree(GetProcessHeap(), 0, s);
return FALSE;
}
int git_stransport_stream_new(git_stream **out, const char *host, const char *port)
{
stransport_stream *st;
int error;
OSStatus ret;
assert(out && host);
st = git__calloc(1, sizeof(stransport_stream));
GITERR_CHECK_ALLOC(st);
#ifdef GIT_CURL
error = git_curl_stream_new(&st->io, host, port);
#else
error = git_socket_stream_new(&st->io, host, port);
#endif
if (error < 0){
git__free(st);
return error;
}
st->ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
if (!st->ctx) {
giterr_set(GITERR_NET, "failed to create SSL context");
git__free(st);
return -1;
}
if ((ret = SSLSetIOFuncs(st->ctx, read_cb, write_cb)) != noErr ||
(ret = SSLSetConnection(st->ctx, st->io)) != noErr ||
(ret = SSLSetSessionOption(st->ctx, kSSLSessionOptionBreakOnServerAuth, true)) != noErr ||
(ret = SSLSetProtocolVersionMin(st->ctx, kTLSProtocol1)) != noErr ||
(ret = SSLSetProtocolVersionMax(st->ctx, kTLSProtocol12)) != noErr ||
(ret = SSLSetPeerDomainName(st->ctx, host, strlen(host))) != noErr) {
CFRelease(st->ctx);
git__free(st);
return stransport_error(ret);
}
st->parent.version = GIT_STREAM_VERSION;
st->parent.encrypted = 1;
st->parent.proxy_support = git_stream_supports_proxy(st->io);
st->parent.connect = stransport_connect;
st->parent.certificate = stransport_certificate;
st->parent.set_proxy = stransport_set_proxy;
st->parent.read = stransport_read;
st->parent.write = stransport_write;
st->parent.close = stransport_close;
st->parent.free = stransport_free;
*out = (git_stream *) st;
return 0;
}
static SSLContextRef make_ssl_ref(bool server, int sock, CFArrayRef certs)
{
SSLContextRef ctx = SSLCreateContext(kCFAllocatorDefault, server?kSSLServerSide:kSSLClientSide, kSSLStreamType);
require(ctx, out);
require_noerr(SSLSetIOFuncs(ctx, (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock), out);
require_noerr(SSLSetCertificate(ctx, certs), out);
return ctx;
out:
if (ctx)
CFRelease(ctx);
return NULL;
}
static SSLContextRef make_ssl_ref(int sock, SSLProtocol maxprot, Boolean false_start)
{
SSLContextRef ctx = NULL;
require_noerr(SSLNewContext(false, &ctx), out);
require_noerr(SSLSetIOFuncs(ctx,
(SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock), out);
require_noerr(SSLSetSessionOption(ctx,
kSSLSessionOptionBreakOnServerAuth, true), out);
require_noerr(SSLSetSessionOption(ctx,
kSSLSessionOptionFalseStart, false_start), out);
require_noerr(SSLSetProtocolVersionMax(ctx, maxprot), out);
return ctx;
out:
if (ctx)
SSLDisposeContext(ctx);
return NULL;
}
static int test_GetEnabledCiphers(SSLContextRef ssl)
{
size_t max_ciphers = 0;
int fail=1;
SSLCipherSuite *ciphers = NULL;
OSStatus err;
err=SSLSetIOFuncs(ssl, &SocketRead, &SocketWrite);
err=SSLSetConnection(ssl, NULL);
err=SSLHandshake(ssl);
require_noerr(SSLGetNumberEnabledCiphers(ssl, &max_ciphers), out);
size_t size = max_ciphers * sizeof (SSLCipherSuite);
ciphers = (SSLCipherSuite *) malloc(size);
require_string(ciphers, out, "out of memory");
memset(ciphers, 0xff, size);
size_t num_ciphers = max_ciphers;
require_noerr(SSLGetEnabledCiphers(ssl, ciphers, &num_ciphers), out);
for (size_t i = 0; i < num_ciphers; i++) {
char csname[256];
snprintf(csname, 256, "(%04x) %s", ciphers[i], ciphersuite_name(ciphers[i]));
/* Uncomment the next line if you want to list the default enabled ciphers */
//printf("%s\n", csname);
require_string(allowed_default_ciphers(ciphers[i]), out, csname);
}
/* Success! */
fail=0;
out:
if(ciphers) free(ciphers);
return fail;
}
/**
* Initializes a client-side TLS session.
*/
static int st_ClientSessionOpen (vlc_tls_creds_t *crd, vlc_tls_t *session,
int fd, const char *hostname) {
msg_Dbg(session, "open TLS session for %s", hostname);
vlc_tls_sys_t *sys = malloc (sizeof (*session->sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
sys->p_cred = crd->sys;
sys->i_fd = fd;
sys->b_handshaked = false;
sys->b_blocking_send = false;
sys->i_send_buffered_bytes = 0;
session->sys = sys;
session->sock.p_sys = session;
session->sock.pf_send = st_Send;
session->sock.pf_recv = st_Recv;
session->handshake = st_Handshake;
SSLContextRef p_context = NULL;
#if TARGET_OS_IPHONE
p_context = SSLCreateContext (NULL, kSSLClientSide, kSSLStreamType);
if(p_context == NULL) {
msg_Err(session, "cannot create ssl context");
goto error;
}
#else
if (SSLNewContext (false, &p_context) != noErr) {
msg_Err(session, "error calling SSLNewContext");
goto error;
}
#endif
sys->p_context = p_context;
OSStatus ret = SSLSetIOFuncs (p_context, st_SocketReadFunc, st_SocketWriteFunc);
if(ret != noErr) {
msg_Err(session, "cannot set io functions");
goto error;
}
ret = SSLSetConnection (p_context, session);
if(ret != noErr) {
msg_Err(session, "cannot set connection");
goto error;
}
ret = SSLSetPeerDomainName (p_context, hostname, strlen(hostname));
if(ret != noErr) {
msg_Err(session, "cannot set peer domain name");
goto error;
}
/* disable automatic validation. We do so manually to also handle invalid
certificates */
/* this has effect only on iOS 5 and OSX 10.8 or later ... */
SSLSetSessionOption (sys->p_context, kSSLSessionOptionBreakOnServerAuth, true);
#if !TARGET_OS_IPHONE
/* ... thus calling this for earlier osx versions, which is not available on iOS in turn */
SSLSetEnableCertVerify (sys->p_context, false);
#endif
return VLC_SUCCESS;
error:
st_ClientSessionClose(crd, session);
return VLC_EGENERIC;
}
static OSStatus sslServe(
otSocket listenSock,
SSLProtocol tryVersion,
const char *hostName, // e.g., "www.amazon.com"
CFArrayRef serverCerts, // required
CFArrayRef encryptServerCerts, // optional
CSSM_BOOL allowExpired,
CSSM_BOOL allowAnyRoot,
char cipherRestrict, // '2', 'd'. etc...'\0' for no
// restriction
SSLAuthenticate authenticate,
CSSM_BOOL resumableEnable,
CSSM_BOOL silent, // no stdout
CSSM_BOOL pause,
SSLProtocol *negVersion, // RETURNED
SSLCipherSuite *negCipher, // RETURNED
CFArrayRef *peerCerts) // mallocd & RETURNED
{
otSocket acceptSock;
PeerSpec peerId;
OSStatus ortn;
SSLContextRef ctx = NULL;
UInt32 length;
uint8 rcvBuf[RCV_BUF_SIZE];
char *outMsg = SERVER_MESSAGE;
*negVersion = kSSLProtocolUnknown;
*negCipher = SSL_NULL_WITH_NULL_NULL;
*peerCerts = NULL;
#if IGNORE_SIGPIPE
signal(SIGPIPE, sigpipe);
#endif
/* first wait for a connection */
if(!silent) {
printf("Waiting for client connection...");
fflush(stdout);
}
ortn = AcceptClientConnection(listenSock, &acceptSock, &peerId);
if(ortn) {
printf("AcceptClientConnection returned %d; aborting\n", ortn);
return ortn;
}
/*
* Set up a SecureTransport session.
* First the standard calls.
*/
ortn = SSLNewContext(true, &ctx);
if(ortn) {
printSslErrStr("SSLNewContext", ortn);
goto cleanup;
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
goto cleanup;
}
ortn = SSLSetProtocolVersion(ctx, tryVersion);
if(ortn) {
printSslErrStr("SSLSetProtocolVersion", ortn);
goto cleanup;
}
ortn = SSLSetConnection(ctx, acceptSock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
goto cleanup;
}
ortn = SSLSetPeerDomainName(ctx, hostName, strlen(hostName) + 1);
if(ortn) {
printSslErrStr("SSLSetPeerDomainName", ortn);
goto cleanup;
}
/* have to do these options befor setting server certs */
if(allowExpired) {
ortn = SSLSetAllowsExpiredCerts(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowExpiredCerts", ortn);
goto cleanup;
}
}
if(allowAnyRoot) {
ortn = SSLSetAllowsAnyRoot(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowAnyRoot", ortn);
goto cleanup;
}
}
ortn = SSLSetCertificate(ctx, serverCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
goto cleanup;
}
if(encryptServerCerts) {
ortn = SSLSetEncryptionCertificate(ctx, encryptServerCerts);
if(ortn) {
printSslErrStr("SSLSetEncryptionCertificate", ortn);
goto cleanup;
}
}
/*
* SecureTransport options.
*/
if(resumableEnable) {
ortn = SSLSetPeerID(ctx, &peerId, sizeof(PeerSpec));
if(ortn) {
printSslErrStr("SSLSetPeerID", ortn);
goto cleanup;
}
}
if(cipherRestrict != '\0') {
ortn = setCipherRestrictions(ctx, cipherRestrict);
if(ortn) {
goto cleanup;
}
}
#if AUTHENTICATE_ENABLE
if(authenticate != kNeverAuthenticate) {
ortn = SSLSetClientSideAuthenticate(ctx, authenticate);
if(ortn) {
printSslErrStr("SSLSetClientSideAuthenticate", ortn);
goto cleanup;
}
}
#endif
if(pause) {
doPause("SSLContext initialized");
}
/* Perform SSL/TLS handshake */
do
{ ortn = SSLHandshake(ctx);
if((ortn == errSSLWouldBlock) && !silent) {
/* keep UI responsive */
outputDot();
}
} while (ortn == errSSLWouldBlock);
/* this works even if handshake failed due to cert chain invalid */
copyPeerCerts(ctx, peerCerts);
SSLGetNegotiatedCipher(ctx, negCipher);
SSLGetNegotiatedProtocolVersion(ctx, negVersion);
if(!silent) {
printf("\n");
}
if(ortn) {
goto cleanup;
}
if(pause) {
doPause("SSLContext handshake complete");
}
/* wait for one complete line or user says they've had enough */
while(ortn == noErr) {
length = sizeof(rcvBuf);
ortn = SSLRead(ctx, rcvBuf, length, &length);
if(length == 0) {
/* keep UI responsive */
outputDot();
}
else {
/* print what we have */
printf("client request: ");
dumpAscii(rcvBuf, length);
}
if(pause) {
/* allow user to bail */
char resp;
fpurge(stdin);
printf("\nMore client request (y/anything): ");
resp = getchar();
if(resp != 'y') {
break;
}
}
/* poor person's line completion scan */
for(unsigned i=0; i<length; i++) {
if((rcvBuf[i] == '\n') || (rcvBuf[i] == '\r')) {
/* a labelled break would be nice here.... */
goto serverResp;
}
}
if (ortn == errSSLWouldBlock) {
ortn = noErr;
}
}
serverResp:
if(pause) {
doPause("Client GET msg received");
}
/* send out canned response */
length = strlen(outMsg);
ortn = SSLWrite(ctx, outMsg, length, &length);
if(ortn) {
printSslErrStr("SSLWrite", ortn);
}
if(pause) {
doPause("Server response sent");
}
if (ortn == noErr) {
ortn = SSLClose(ctx);
}
cleanup:
if(acceptSock) {
endpointShutdown(acceptSock);
}
if(ctx) {
SSLDisposeContext(ctx);
}
/* FIXME - dispose of serverCerts */
return ortn;
}
static OSStatus sslServe(
otSocket listenSock,
unsigned short portNum,
SSLProtocol tryVersion, // only used if acceptedProts NULL
const char *acceptedProts,
CFArrayRef serverCerts, // required
char *password, // optional
CFArrayRef encryptServerCerts, // optional
bool allowExpired,
bool allowAnyRoot,
bool allowExpiredRoot,
bool disableCertVerify,
char *anchorFile,
bool replaceAnchors,
char cipherRestrict, // '2', 'd'. etc...'\0' for no
// restriction
SSLAuthenticate authenticate,
unsigned char *dhParams, // optional D-H parameters
unsigned dhParamsLen,
CFArrayRef acceptableDNList, // optional
bool resumableEnable,
uint32_t sessionCacheTimeout,// optional
bool disableAnonCiphers,
bool silent, // no stdout
bool pause,
SSLProtocol *negVersion, // RETURNED
SSLCipherSuite *negCipher, // RETURNED
SSLClientCertificateState *certState, // RETURNED
Boolean *sessionWasResumed, // RETURNED
unsigned char *sessionID, // mallocd by caller, RETURNED
size_t *sessionIDLength, // RETURNED
CFArrayRef *peerCerts, // mallocd & RETURNED
char **argv)
{
otSocket acceptSock;
PeerSpec peerId;
OSStatus ortn;
SSLContextRef ctx = NULL;
size_t length;
uint8_t rcvBuf[RCV_BUF_SIZE];
const char *outMsg = SERVER_MESSAGE;
*negVersion = kSSLProtocolUnknown;
*negCipher = SSL_NULL_WITH_NULL_NULL;
*peerCerts = NULL;
#if IGNORE_SIGPIPE
signal(SIGPIPE, sigpipe);
#endif
/* first wait for a connection */
if(!silent) {
printf("Waiting for client connection on port %u...", portNum);
fflush(stdout);
}
ortn = AcceptClientConnection(listenSock, &acceptSock, &peerId);
if(ortn) {
printf("AcceptClientConnection returned %d; aborting\n", (int)ortn);
return ortn;
}
/*
* Set up a SecureTransport session.
* First the standard calls.
*/
ortn = SSLNewContext(true, &ctx);
if(ortn) {
printSslErrStr("SSLNewContext", ortn);
goto cleanup;
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
goto cleanup;
}
ortn = SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)acceptSock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
goto cleanup;
}
/* have to do these options befor setting server certs */
if(allowExpired) {
ortn = SSLSetAllowsExpiredCerts(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowExpiredCerts", ortn);
goto cleanup;
}
}
if(allowAnyRoot) {
ortn = SSLSetAllowsAnyRoot(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowAnyRoot", ortn);
goto cleanup;
}
}
if(anchorFile) {
ortn = sslAddTrustedRoot(ctx, anchorFile, replaceAnchors);
if(ortn) {
printf("***Error obtaining anchor file %s\n", anchorFile);
goto cleanup;
}
}
if(serverCerts != NULL) {
if(anchorFile == NULL) {
/* no specific anchors, so assume we want to trust this one */
ortn = addIdentityAsTrustedRoot(ctx, serverCerts);
if(ortn) {
goto cleanup;
}
}
ortn = SSLSetCertificate(ctx, serverCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
goto cleanup;
}
}
if(encryptServerCerts) {
ortn = SSLSetEncryptionCertificate(ctx, encryptServerCerts);
if(ortn) {
printSslErrStr("SSLSetEncryptionCertificate", ortn);
goto cleanup;
}
}
if(allowExpiredRoot) {
ortn = SSLSetAllowsExpiredRoots(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowsExpiredRoots", ortn);
goto cleanup;
}
}
if(disableCertVerify) {
ortn = SSLSetEnableCertVerify(ctx, false);
if(ortn) {
printSslErrStr("SSLSetEnableCertVerify", ortn);
goto cleanup;
}
}
/*
* SecureTransport options.
*/
if(acceptedProts) {
ortn = SSLSetProtocolVersionEnabled(ctx, kSSLProtocolAll, false);
if(ortn) {
printSslErrStr("SSLSetProtocolVersionEnabled(all off)", ortn);
goto cleanup;
}
for(const char *cp = acceptedProts; *cp; cp++) {
SSLProtocol prot = kSSLProtocolUnknown;
switch(*cp) {
case '2':
prot = kSSLProtocol2;
break;
case '3':
prot = kSSLProtocol3;
break;
case 't':
prot = kTLSProtocol1;
break;
default:
usage(argv);
}
ortn = SSLSetProtocolVersionEnabled(ctx, prot, true);
if(ortn) {
printSslErrStr("SSLSetProtocolVersionEnabled", ortn);
goto cleanup;
}
}
}
else {
ortn = SSLSetProtocolVersion(ctx, tryVersion);
if(ortn) {
printSslErrStr("SSLSetProtocolVersion", ortn);
goto cleanup;
}
}
if(resumableEnable) {
ortn = SSLSetPeerID(ctx, &peerId, sizeof(PeerSpec));
if(ortn) {
printSslErrStr("SSLSetPeerID", ortn);
goto cleanup;
}
}
if(cipherRestrict != '\0') {
ortn = sslSetCipherRestrictions(ctx, cipherRestrict);
if(ortn) {
goto cleanup;
}
}
if(authenticate != kNeverAuthenticate) {
ortn = SSLSetClientSideAuthenticate(ctx, authenticate);
if(ortn) {
printSslErrStr("SSLSetClientSideAuthenticate", ortn);
goto cleanup;
}
}
if(dhParams) {
ortn = SSLSetDiffieHellmanParams(ctx, dhParams, dhParamsLen);
if(ortn) {
printSslErrStr("SSLSetDiffieHellmanParams", ortn);
goto cleanup;
}
}
if(sessionCacheTimeout) {
ortn = SSLSetSessionCacheTimeout(ctx, sessionCacheTimeout);
if(ortn) {
printSslErrStr("SSLSetSessionCacheTimeout", ortn);
goto cleanup;
}
}
if(disableAnonCiphers) {
ortn = SSLSetAllowAnonymousCiphers(ctx, false);
if(ortn) {
printSslErrStr("SSLSetAllowAnonymousCiphers", ortn);
goto cleanup;
}
/* quickie test of the getter */
Boolean e;
ortn = SSLGetAllowAnonymousCiphers(ctx, &e);
if(ortn) {
printSslErrStr("SSLGetAllowAnonymousCiphers", ortn);
goto cleanup;
}
if(e) {
printf("***SSLGetAllowAnonymousCiphers() returned true; expected false\n");
ortn = errSecIO;
goto cleanup;
}
}
/* XXX/cs
if(acceptableDNList) {
ortn = SSLSetCertificateAuthorities(ctx, acceptableDNList, TRUE);
if(ortn) {
printSslErrStr("SSLSetCertificateAuthorities", ortn);
goto cleanup;
}
}
*/
/* end options */
if(pause) {
doPause("SSLContext initialized");
}
/* Perform SSL/TLS handshake */
do
{ ortn = SSLHandshake(ctx);
if((ortn == errSSLWouldBlock) && !silent) {
/* keep UI responsive */
sslOutputDot();
}
} while (ortn == errSSLWouldBlock);
/* this works even if handshake failed due to cert chain invalid */
copyPeerCerts(ctx, peerCerts);
SSLGetClientCertificateState(ctx, certState);
SSLGetNegotiatedCipher(ctx, negCipher);
SSLGetNegotiatedProtocolVersion(ctx, negVersion);
*sessionIDLength = MAX_SESSION_ID_LENGTH;
SSLGetResumableSessionInfo(ctx, sessionWasResumed, sessionID,
sessionIDLength);
if(!silent) {
printf("\n");
}
if(ortn) {
goto cleanup;
}
if(pause) {
doPause("SSLContext handshake complete");
}
/* wait for one complete line or user says they've had enough */
while(ortn == errSecSuccess) {
length = sizeof(rcvBuf);
ortn = SSLRead(ctx, rcvBuf, length, &length);
if(length == 0) {
/* keep UI responsive */
sslOutputDot();
}
else {
/* print what we have */
printf("client request: ");
dumpAscii(rcvBuf, length);
}
if(pause) {
/* allow user to bail */
char resp;
fpurge(stdin);
printf("\nMore client request (y/anything): ");
resp = getchar();
if(resp != 'y') {
break;
}
}
/* poor person's line completion scan */
for(unsigned i=0; i<length; i++) {
if((rcvBuf[i] == '\n') || (rcvBuf[i] == '\r')) {
/* a labelled break would be nice here.... */
goto serverResp;
}
}
if (ortn == errSSLWouldBlock) {
ortn = errSecSuccess;
}
}
serverResp:
if(pause) {
doPause("Client GET msg received");
}
/* send out canned response */
length = strlen(outMsg);
ortn = SSLWrite(ctx, outMsg, length, &length);
if(ortn) {
printSslErrStr("SSLWrite", ortn);
}
if(pause) {
doPause("Server response sent");
}
cleanup:
/*
* always do close, even on error - to flush outgoing write queue
*/
OSStatus cerr = SSLClose(ctx);
if(ortn == errSecSuccess) {
ortn = cerr;
}
if(acceptSock) {
endpointShutdown(acceptSock);
}
if(ctx) {
SSLDisposeContext(ctx);
}
/* FIXME - dispose of serverCerts */
return ortn;
}
/*
* params->lock is held for us by runSession() - we use it as a semapahore by
* unlocking it when we've created a port to listen on.
* This is generally run from a thread via sslRunSession() and
* sslServerThread() in sslAppUtils.cpp.
*/
OSStatus sslAppServe(
SslAppTestParams *params)
{
otSocket listenSock = 0;
otSocket acceptSock = 0;
PeerSpec peerId;
OSStatus ortn;
SSLContextRef ctx = NULL;
SecKeychainRef serverKc = nil;
CFArrayRef serverCerts = nil;
sslThrDebug("Server", "starting");
params->negVersion = kSSLProtocolUnknown;
params->negCipher = SSL_NULL_WITH_NULL_NULL;
params->ortn = noHardwareErr;
/* set up a socket on which to listen */
for(unsigned retry=0; retry<BIND_RETRIES; retry++) {
ortn = ListenForClients(params->port, params->nonBlocking,
&listenSock);
switch(ortn) {
case errSecSuccess:
break;
case errSecOpWr:
/* port already in use - try another */
params->port++;
if(params->verbose || THREADING_DEBUG) {
printf("...retrying ListenForClients at port %d\n",
params->port);
}
break;
default:
break;
}
if(ortn != errSecOpWr) {
break;
}
}
/* let main thread know a socket is ready */
if(pthread_mutex_lock(¶ms->pthreadMutex)) {
printf("***Error acquiring server lock; aborting.\n");
return -1;
}
params->serverReady = true;
if(pthread_cond_broadcast(¶ms->pthreadCond)) {
printf("***Error waking main thread; aborting.\n");
return -1;
}
if(pthread_mutex_unlock(¶ms->pthreadMutex)) {
printf("***Error acquiring server lock; aborting.\n");
return -1;
}
if(ortn) {
printf("ListenForClients returned %d; aborting\n", (int)ortn);
return ortn;
}
/* wait for a connection */
if(params->verbose) {
printf("Waiting for client connection...");
fflush(stdout);
}
ortn = AcceptClientConnection(listenSock, &acceptSock, &peerId);
if(ortn) {
printf("AcceptClientConnection returned %d; aborting\n", (int)ortn);
return ortn;
}
/*
* Set up a SecureTransport session.
*/
ortn = SSLNewContext(true, &ctx);
if(ortn) {
printSslErrStr("SSLNewContext", ortn);
goto cleanup;
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
goto cleanup;
}
ortn = SSLSetConnection(ctx, (SSLConnectionRef)acceptSock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
goto cleanup;
}
if(params->anchorFile) {
ortn = sslAddTrustedRoot(ctx, params->anchorFile,
params->replaceAnchors);
if(ortn) {
goto cleanup;
}
}
if(params->myCertKcName != NULL) {
/* if not, better be trying anonymous diff-hellman... :-) */
serverCerts = getSslCerts(params->myCertKcName, false, false, NULL,
&serverKc);
if(serverCerts == nil) {
exit(1);
}
if(params->password) {
ortn = SecKeychainUnlock(serverKc, strlen(params->password),
(void *)params->password, true);
if(ortn) {
printf("SecKeychainUnlock returned %d\n", (int)ortn);
/* oh well */
}
}
if(params->idIsTrustedRoot) {
/* assume this is a root we want to implicitly trust */
ortn = addIdentityAsTrustedRoot(ctx, serverCerts);
if(ortn) {
goto cleanup;
}
}
ortn = SSLSetCertificate(ctx, serverCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
goto cleanup;
}
}
if(params->disableCertVerify) {
ortn = SSLSetEnableCertVerify(ctx, false);
if(ortn) {
printSslErrStr("SSLSetEnableCertVerify", ortn);
goto cleanup;
}
}
ortn = sslSetProtocols(ctx, params->acceptedProts, params->tryVersion);
if(ortn) {
goto cleanup;
}
if(params->resumeEnable) {
ortn = SSLSetPeerID(ctx, &peerId, sizeof(PeerSpec));
if(ortn) {
printSslErrStr("SSLSetPeerID", ortn);
goto cleanup;
}
}
if(params->ciphers != NULL) {
ortn = sslSetEnabledCiphers(ctx, params->ciphers);
if(ortn) {
goto cleanup;
}
}
if(params->authenticate != kNeverAuthenticate) {
ortn = SSLSetClientSideAuthenticate(ctx, params->authenticate);
if(ortn) {
printSslErrStr("SSLSetClientSideAuthenticate", ortn);
goto cleanup;
}
}
if(params->dhParams) {
#if JAGUAR_BUILD
printf("***Diffie-Hellman not supported in this config.\n");
#else
ortn = SSLSetDiffieHellmanParams(ctx, params->dhParams,
params->dhParamsLen);
if(ortn) {
printSslErrStr("SSLSetDiffieHellmanParams", ortn);
goto cleanup;
}
#endif
}
/* Perform SSL/TLS handshake */
do {
ortn = SSLHandshake(ctx);
if((ortn == errSSLWouldBlock) && !params->silent) {
/* keep UI responsive */
sslOutputDot();
}
} while (ortn == errSSLWouldBlock);
SSLGetClientCertificateState(ctx, ¶ms->certState);
SSLGetNegotiatedCipher(ctx, ¶ms->negCipher);
SSLGetNegotiatedProtocolVersion(ctx, ¶ms->negVersion);
if(params->verbose) {
printf("\n");
}
if(ortn) {
goto cleanup;
}
/* wait for one complete line */
char readBuf[READBUF_LEN];
size_t length;
while(ortn == errSecSuccess) {
length = READBUF_LEN;
ortn = SSLRead(ctx, readBuf, length, &length);
if (ortn == errSSLWouldBlock) {
/* keep trying */
ortn = errSecSuccess;
continue;
}
if(length == 0) {
/* keep trying */
continue;
}
/* poor person's line completion scan */
for(unsigned i=0; i<length; i++) {
if((readBuf[i] == '\n') || (readBuf[i] == '\r')) {
goto serverResp;
}
}
}
serverResp:
/* send out canned response */
ortn = SSLWrite(ctx, SERVER_MESSAGE, strlen(SERVER_MESSAGE), &length);
if(ortn) {
printSslErrStr("SSLWrite", ortn);
}
cleanup:
/*
* always do close, even on error - to flush outgoing write queue
*/
if(ctx) {
OSStatus cerr = SSLClose(ctx);
if(ortn == errSecSuccess) {
ortn = cerr;
}
}
if(acceptSock) {
while(!params->clientDone && !params->serverAbort) {
usleep(100);
}
endpointShutdown(acceptSock);
}
if(listenSock) {
endpointShutdown(listenSock);
}
if(ctx) {
SSLDisposeContext(ctx);
}
params->ortn = ortn;
sslThrDebug("Server", "done");
return ortn;
}
BOOL schan_imp_create_session(schan_imp_session *session, schan_credentials *cred)
{
struct mac_session *s;
unsigned i;
int status;
TRACE("(%p)\n", session);
s = heap_alloc(sizeof(*s));
if (!s)
return FALSE;
InitializeCriticalSection(&s->cs);
s->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": mac_session.cs");
status = SSLNewContext(cred->credential_use == SECPKG_CRED_INBOUND, &s->context);
if (status != noErr)
{
ERR("Failed to create session context: %d\n", status);
goto fail;
}
/* We don't handle all the signature algorithms that OS X supports so it is important
* to limit the enabled ciphers before the handshake happens. That will ensure we
* only get certificates we can handle (assuming the server has alternate chains to offer).
*/
status = SSLSetEnabledCiphers(s->context, enabled_cipher_suites, sizeof(enabled_cipher_suites) / sizeof(SSLCipherSuite));
if (status != noErr)
{
ERR("Failed to set enabled ciphers: %d\n", status);
goto fail;
}
status = SSLSetConnection(s->context, s);
if (status != noErr)
{
ERR("Failed to set session connection: %d\n", status);
goto fail;
}
status = SSLSetEnableCertVerify(s->context, FALSE);
if (status != noErr)
{
ERR("Failed to disable certificate verification: %d\n", status);
goto fail;
}
for(i=0; i < sizeof(protocol_priority_flags)/sizeof(*protocol_priority_flags); i++) {
if(!(protocol_priority_flags[i].enable_flag & supported_protocols))
continue;
status = SSLSetProtocolVersionEnabled(s->context, protocol_priority_flags[i].mac_version,
(cred->enabled_protocols & protocol_priority_flags[i].enable_flag) != 0);
if (status != noErr)
{
ERR("Failed to set SSL version %d: %d\n", protocol_priority_flags[i].mac_version, status);
goto fail;
}
}
status = SSLSetIOFuncs(s->context, schan_pull_adapter, schan_push_adapter);
if (status != noErr)
{
ERR("Failed to set session I/O funcs: %d\n", status);
goto fail;
}
TRACE(" -> %p/%p\n", s, s->context);
*session = (schan_imp_session)s;
return TRUE;
fail:
heap_free(s);
return FALSE;
}
Connection::Connection(Context& ctx, std::ios& ios, OpenMode omode)
: _ctx(&ctx)
, _context(0)
, _ios(&ios)
, _iocount(0)
, _connected(false)
, _wantRead(false)
, _isReading(false)
, _isWriting(false)
, _receivedShutdown(false)
, _sentShutdown(false)
{
Boolean isServer = (omode == Accept);
SSLNewContext(isServer, &_context);
SSLSetConnection(_context, (SSLConnectionRef) this);
SSLSetIOFuncs(_context,
&Connection::sslReadCallback,
&Connection::sslWriteCallback);
SSLSetProtocolVersionEnabled(_context, kSSLProtocolAll, false);
switch(_ctx->protocol())
{
case SSLv2:
SSLSetProtocolVersionEnabled(_context, kSSLProtocol2, true);
break;
case SSLv3or2:
SSLSetProtocolVersionEnabled(_context, kSSLProtocol2, true);
SSLSetProtocolVersionEnabled(_context, kSSLProtocol3, true);
break;
default:
case SSLv3:
SSLSetProtocolVersionEnabled(_context, kSSLProtocol3, true);
break;
case TLSv1:
SSLSetProtocolVersionEnabled(_context, kTLSProtocol1, true);
break;
}
if(isServer)
{
#ifdef PT_IOS
SSLSetEnableCertVerify(_context, false);
SSLSetSessionOption(_context, kSSLSessionOptionBreakOnClientAuth, true);
#else
if(_ctx->verifyMode() == NoVerify)
{
SSLSetClientSideAuthenticate(_context, kNeverAuthenticate);
}
else if(_ctx->verifyMode() == TryVerify)
{
SSLSetClientSideAuthenticate(_context, kTryAuthenticate);
}
else if(_ctx->verifyMode() == AlwaysVerify)
{
SSLSetClientSideAuthenticate(_context, kAlwaysAuthenticate);
}
CFArrayRef caArr = _ctx->impl()->caCertificates();
SSLSetCertificateAuthorities(_context, caArr, true);
SSLSetTrustedRoots(_context, caArr, true);
#endif
}
else
{
SSLSetEnableCertVerify(_context, false);
SSLSetSessionOption(_context, kSSLSessionOptionBreakOnServerAuth, true);
}
// certificates to present to peer
CFArrayRef certs = _ctx->impl()->certificates();
if(certs)
{
log_debug("using " << CFArrayGetCount(certs) << " certificates");
SSLSetCertificate(_context, certs);
}
}
mongoc_stream_t *
mongoc_stream_tls_secure_transport_new (mongoc_stream_t *base_stream,
const char *host,
mongoc_ssl_opt_t *opt,
int client)
{
mongoc_stream_tls_t *tls;
mongoc_stream_tls_secure_transport_t *secure_transport;
ENTRY;
BSON_ASSERT (base_stream);
BSON_ASSERT (opt);
if (opt->ca_dir) {
MONGOC_ERROR ("Setting mongoc_ssl_opt_t.ca_dir has no effect when built "
"against Secure Transport");
RETURN (NULL);
}
if (opt->crl_file) {
MONGOC_ERROR (
"Setting mongoc_ssl_opt_t.crl_file has no effect when built "
"against Secure Transport");
RETURN (NULL);
}
secure_transport = (mongoc_stream_tls_secure_transport_t *) bson_malloc0 (
sizeof *secure_transport);
tls = (mongoc_stream_tls_t *) bson_malloc0 (sizeof *tls);
tls->parent.type = MONGOC_STREAM_TLS;
tls->parent.destroy = _mongoc_stream_tls_secure_transport_destroy;
tls->parent.failed = _mongoc_stream_tls_secure_transport_failed;
tls->parent.close = _mongoc_stream_tls_secure_transport_close;
tls->parent.flush = _mongoc_stream_tls_secure_transport_flush;
tls->parent.writev = _mongoc_stream_tls_secure_transport_writev;
tls->parent.readv = _mongoc_stream_tls_secure_transport_readv;
tls->parent.setsockopt = _mongoc_stream_tls_secure_transport_setsockopt;
tls->parent.get_base_stream =
_mongoc_stream_tls_secure_transport_get_base_stream;
tls->parent.check_closed = _mongoc_stream_tls_secure_transport_check_closed;
tls->parent.timed_out = _mongoc_stream_tls_secure_channel_timed_out;
memcpy (&tls->ssl_opts, opt, sizeof tls->ssl_opts);
tls->handshake = mongoc_stream_tls_secure_transport_handshake;
tls->ctx = (void *) secure_transport;
tls->timeout_msec = -1;
secure_transport->ssl_ctx_ref =
SSLCreateContext (kCFAllocatorDefault,
client ? kSSLClientSide : kSSLServerSide,
kSSLStreamType);
SSLSetIOFuncs (secure_transport->ssl_ctx_ref,
mongoc_secure_transport_read,
mongoc_secure_transport_write);
SSLSetProtocolVersionMin (secure_transport->ssl_ctx_ref, kTLSProtocol1);
if (opt->pem_file &&
!mongoc_secure_transport_setup_certificate (secure_transport, opt)) {
mongoc_stream_destroy ((mongoc_stream_t *) tls);
RETURN (NULL);
}
if (opt->ca_file &&
!mongoc_secure_transport_setup_ca (secure_transport, opt)) {
mongoc_stream_destroy ((mongoc_stream_t *) tls);
RETURN (NULL);
}
/* don't link base_stream to tls until we're sure we won't destroy tls */
tls->base_stream = base_stream;
if (client) {
SSLSetSessionOption (secure_transport->ssl_ctx_ref,
kSSLSessionOptionBreakOnServerAuth,
opt->weak_cert_validation);
} else if (!opt->allow_invalid_hostname) {
/* used only in mock_server_t tests */
SSLSetClientSideAuthenticate (secure_transport->ssl_ctx_ref,
kAlwaysAuthenticate);
}
if (!opt->allow_invalid_hostname) {
SSLSetPeerDomainName (secure_transport->ssl_ctx_ref, host, strlen (host));
}
SSLSetConnection (secure_transport->ssl_ctx_ref, tls);
mongoc_counter_streams_active_inc ();
RETURN ((mongoc_stream_t *) tls);
}
int main(int argc, char **argv)
{
/* user-spec'd variables */
const char *kcName = DEFAULT_KC;
unsigned xferSize = XFERSIZE_DEF;
int port = PORT_DEF;
const char *hostName = HOST_DEF;
SSLCipherSuite cipherSuite = TLS_RSA_WITH_AES_128_CBC_SHA;
SSLProtocol prot = kTLSProtocol1Only;
char password[200];
bool clientAuthEnable = false;
bool isServer = false;
unsigned bufSize = BUFSIZE;
bool diffieHellman = false;
int nonBlocking = 0;
if(argc < 2) {
usage(argv);
}
password[0] = 0;
switch(argv[1][0]) {
case 's':
isServer = true;
break;
case 'c':
isServer = false;
break;
default:
usage(argv);
}
extern int optind;
extern char *optarg;
int arg;
optind = 2;
while ((arg = getopt(argc, argv, "h:p:k:x:c:v:w:b:aB")) != -1) {
switch (arg) {
case 'h':
hostName = optarg;
break;
case 'p':
port = atoi(optarg);
break;
case 'k':
kcName = optarg;
break;
case 'x':
xferSize = atoi(optarg);
break;
case 'c':
if(!isServer) {
printf("***Specify cipherSuite on server side.\n");
exit(1);
}
switch(optarg[0]) {
case 'r':
cipherSuite = SSL_RSA_WITH_RC4_128_SHA;
break;
case 'd':
cipherSuite = SSL_RSA_WITH_DES_CBC_SHA;
break;
case 'D':
cipherSuite = SSL_RSA_WITH_3DES_EDE_CBC_SHA;
break;
case 'h':
cipherSuite = SSL_DH_anon_WITH_RC4_128_MD5;
diffieHellman = true;
break;
case 'H':
cipherSuite = SSL_DHE_DSS_WITH_DES_CBC_SHA;
diffieHellman = true;
break;
case 'A':
cipherSuite = TLS_RSA_WITH_AES_256_CBC_SHA;
break;
default:
usage(argv);
}
break;
case 'v':
if(!isServer) {
printf("***Specify protocol on server side.\n");
exit(1);
}
switch(optarg[0]) {
case 't':
prot = kTLSProtocol1Only;
break;
case '2':
prot = kSSLProtocol2;
break;
case '3':
prot = kSSLProtocol3Only;
break;
default:
usage(argv);
}
break;
case 'w':
strcpy(password, optarg);
break;
case 'b':
bufSize = atoi(optarg);
break;
case 'a':
clientAuthEnable = true;
break;
case 'B':
nonBlocking = 1;
break;
default:
usage(argv);
}
}
/* per-transfer buffer - make it random for server */
char *buf = (char *)malloc(bufSize);
if(isServer) {
Security::DevRandomGenerator rng;
rng.random(buf, bufSize);
}
/* gather Diffie-Hellman params from cwd */
unsigned char *dhParams = NULL;
unsigned dhParamsLen = 0;
if(diffieHellman && isServer) {
if(readFile(DH_PARAM_FILE, &dhParams, &dhParamsLen)) {
printf("***Error reading Diffie-Hellman Params. Prepare to "
"wait for a minute during SSL handshake.\n");
}
}
/*
* Open keychain; both sides use the same one.
*/
OSStatus ortn;
SecKeychainRef certKc = NULL;
CFAbsoluteTime kcOpenStart = CFAbsoluteTimeGetCurrent();
ortn = SecKeychainOpen(kcName, &certKc);
if(ortn) {
printf("Error opening keychain %s (%d); aborting.\n",
kcName, (int)ortn);
exit(1);
}
if(password[0]) {
ortn = SecKeychainUnlock(certKc, strlen(password), password, true);
if(ortn) {
printf("SecKeychainUnlock returned %d\n", (int)ortn);
/* oh well */
}
}
CFAbsoluteTime kcOpenEnd = CFAbsoluteTimeGetCurrent();
otSocket peerSock = 0;
otSocket listenSock = 0; // for server only
PeerSpec peerId;
if(isServer) {
printf("...listening for client connection on port %d\n", port);
ortn = ListenForClients(port, nonBlocking, &listenSock);
if(ortn) {
printf("...error establishing a listen socket. Aborting.\n");
exit(1);
}
ortn = AcceptClientConnection(listenSock, &peerSock, &peerId);
if(ortn) {
printf("...error listening for connection. Aborting.\n");
exit(1);
}
}
else {
printf("...connecting to host %s at port %d\n", hostName, port);
ortn = MakeServerConnection(hostName, port, nonBlocking, &peerSock,
&peerId);
if(ortn) {
printf("...error connecting to server %s. Aborting.\n",
hostName);
exit(1);
}
}
/* start timing SSL setup */
CFAbsoluteTime setupStart = CFAbsoluteTimeGetCurrent();
SSLContextRef ctx;
ortn = SSLNewContext(isServer, &ctx);
if(ortn) {
printSslErrStr("SSLNewContext", ortn);
exit(1);
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
exit(1);
}
ortn = SSLSetConnection(ctx, (SSLConnectionRef)peerSock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
exit(1);
}
ortn = SSLSetPeerDomainName(ctx, hostName, strlen(hostName) + 1);
if(ortn) {
printSslErrStr("SSLSetPeerDomainName", ortn);
exit(1);
}
/*
* Server/client specific setup.
*
* Client uses the same keychain as server, but it uses it for
* sslAddTrustedRoots() instead of getSslCerts() and
* SSLSetCertificate().
*/
CFArrayRef myCerts = NULL;
if(clientAuthEnable || isServer) {
myCerts = sslKcRefToCertArray(certKc, CSSM_FALSE, CSSM_FALSE, NULL, NULL);
if(myCerts == NULL) {
exit(1);
}
ortn = addIdentityAsTrustedRoot(ctx, myCerts);
if(ortn) {
exit(1);
}
ortn = SSLSetCertificate(ctx, myCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
exit(1);
}
}
if(isServer) {
SSLAuthenticate auth;
if(clientAuthEnable) {
auth = kAlwaysAuthenticate;
}
else {
auth = kNeverAuthenticate;
}
ortn = SSLSetClientSideAuthenticate(ctx, auth);
if(ortn) {
printSslErrStr("SSLSetClientSideAuthenticate", ortn);
exit(1);
}
ortn = SSLSetEnabledCiphers(ctx, &cipherSuite, 1);
if(ortn) {
printSslErrStr("SSLSetEnabledCiphers", ortn);
exit(1);
}
ortn = SSLSetProtocolVersion(ctx, prot);
if(ortn) {
printSslErrStr("SSLSetProtocolVersion", ortn);
exit(1);
}
if(dhParams != NULL) {
ortn = SSLSetDiffieHellmanParams(ctx, dhParams, dhParamsLen);
if(ortn) {
printSslErrStr("SSLSetDiffieHellmanParams", ortn);
exit(1);
}
}
}
else {
/* client setup */
if(!clientAuthEnable) {
/* We're not presenting a cert; trust the server certs */
bool foundOne;
ortn = sslAddTrustedRoots(ctx, certKc, &foundOne);
if(ortn) {
printSslErrStr("sslAddTrustedRoots", ortn);
exit(1);
}
}
}
/*
* Context setup complete. Start timing handshake.
*/
CFAbsoluteTime hshakeStart = CFAbsoluteTimeGetCurrent();
do {
ortn = SSLHandshake(ctx);
} while (ortn == errSSLWouldBlock);
if(ortn) {
printSslErrStr("SSLHandshake", ortn);
exit(1);
}
CFAbsoluteTime hshakeEnd = CFAbsoluteTimeGetCurrent();
/* snag these before data xfer possibly shuts down connection */
SSLProtocol negVersion;
SSLCipherSuite negCipher;
SSLClientCertificateState certState; // RETURNED
SSLGetNegotiatedCipher(ctx, &negCipher);
SSLGetNegotiatedProtocolVersion(ctx, &negVersion);
SSLGetClientCertificateState(ctx, &certState);
/* server sends xferSize bytes to client and shuts down */
size_t bytesMoved;
CFAbsoluteTime dataStart = CFAbsoluteTimeGetCurrent();
size_t totalMoved = 0;
if(isServer) {
size_t bytesToGo = xferSize;
bool done = false;
do {
size_t thisMove = bufSize;
if(thisMove > bytesToGo) {
thisMove = bytesToGo;
}
ortn = SSLWrite(ctx, buf, thisMove, &bytesMoved);
switch(ortn) {
case noErr:
case errSSLWouldBlock:
break;
default:
done = true;
break;
}
bytesToGo -= bytesMoved;
totalMoved += bytesMoved;
if(bytesToGo == 0) {
done = true;
}
} while(!done);
if(ortn != noErr) {
printSslErrStr("SSLWrite", ortn);
exit(1);
}
}
else {
/* client reads until error or errSSLClosedGraceful */
bool done = false;
do {
ortn = SSLRead(ctx, buf, bufSize, &bytesMoved);
switch(ortn) {
case errSSLClosedGraceful:
done = true;
break;
case noErr:
case errSSLWouldBlock:
break;
default:
done = true;
break;
}
totalMoved += bytesMoved;
} while(!done);
if(ortn != errSSLClosedGraceful) {
printSslErrStr("SSLRead", ortn);
exit(1);
}
}
/* shut down channel */
ortn = SSLClose(ctx);
if(ortn) {
printSslErrStr("SSLCLose", ortn);
exit(1);
}
CFAbsoluteTime dataEnd = CFAbsoluteTimeGetCurrent();
/* how'd we do? */
printf("SSL version : %s\n",
sslGetProtocolVersionString(negVersion));
printf("CipherSuite : %s\n",
sslGetCipherSuiteString(negCipher));
printf("Client Cert State : %s\n",
sslGetClientCertStateString(certState));
if(password[0]) {
printf("keychain open/unlock : ");
}
else {
printf("keychain open : ");
}
printf("%f s\n", kcOpenEnd - kcOpenStart);
printf("SSLContext setup : %f s\n", hshakeStart - setupStart);
printf("SSL Handshake : %f s\n", hshakeEnd - hshakeStart);
printf("Data Transfer : %u bytes in %f s\n", (unsigned)totalMoved,
dataEnd - dataStart);
printf(" : %.1f Kbytes/s\n",
totalMoved / (dataEnd - dataStart) / 1024.0);
return 0;
}
int /* O - 1 on success, 0 on error */
cupsdStartTLS(cupsd_client_t *con) /* I - Client connection */
{
OSStatus error = 0; /* Error code */
SecTrustRef peerTrust; /* Peer certificates */
cupsdLogMessage(CUPSD_LOG_DEBUG, "[Client %d] Encrypting connection.",
con->number);
con->http->encryption = HTTP_ENCRYPTION_ALWAYS;
con->http->tls_credentials = copy_cdsa_certificate(con);
if (!con->http->tls_credentials)
{
/*
* No keychain (yet), make a self-signed certificate...
*/
if (make_certificate(con))
con->http->tls_credentials = copy_cdsa_certificate(con);
}
if (!con->http->tls_credentials)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Could not find signing key in keychain \"%s\"",
ServerCertificate);
error = errSSLBadConfiguration;
}
if (!error)
con->http->tls = SSLCreateContext(kCFAllocatorDefault, kSSLServerSide,
kSSLStreamType);
if (!error)
error = SSLSetIOFuncs(con->http->tls, _httpReadCDSA, _httpWriteCDSA);
if (!error)
error = SSLSetConnection(con->http->tls, HTTP(con));
if (!error)
error = SSLSetCertificate(con->http->tls, con->http->tls_credentials);
if (!error)
{
/*
* Perform SSL/TLS handshake
*/
while ((error = SSLHandshake(con->http->tls)) == errSSLWouldBlock)
usleep(1000);
}
if (error)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to encrypt connection from %s - %s (%d)",
con->http->hostname, cssmErrorString(error), (int)error);
con->http->error = error;
con->http->status = HTTP_ERROR;
if (con->http->tls)
{
CFRelease(con->http->tls);
con->http->tls = NULL;
}
if (con->http->tls_credentials)
{
CFRelease(con->http->tls_credentials);
con->http->tls_credentials = NULL;
}
return (0);
}
cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
con->http->hostname);
if (!SSLCopyPeerTrust(con->http->tls, &peerTrust) && peerTrust)
{
cupsdLogMessage(CUPSD_LOG_DEBUG, "Received %d peer certificates.",
(int)SecTrustGetCertificateCount(peerTrust));
CFRelease(peerTrust);
}
else
cupsdLogMessage(CUPSD_LOG_DEBUG, "Received NO peer certificates.");
return (1);
}
static void
ssl_cdsa_create_context(gpointer data) {
PurpleSslConnection *gsc = (PurpleSslConnection *)data;
PurpleAccount *account = gsc->account;
PurpleSslCDSAData *cdsa_data;
OSStatus err;
bool requireFS = purple_account_get_bool(account, "require_forward_secrecy", FALSE);
/*
* allocate some memory to store variables for the cdsa connection.
* the memory comes zero'd from g_new0 so we don't need to null the
* pointers held in this struct.
*/
cdsa_data = g_new0(PurpleSslCDSAData, 1);
gsc->private_data = cdsa_data;
connections = g_list_append(connections, gsc);
/*
* allocate a new SSLContextRef object
*/
err = SSLNewContext(false, &cdsa_data->ssl_ctx);
if (err != noErr) {
purple_debug_error("cdsa", "SSLNewContext failed\n");
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
/*
* Set up our callbacks for reading/writing the file descriptor
*/
err = SSLSetIOFuncs(cdsa_data->ssl_ctx, SocketRead, SocketWrite);
if (err != noErr) {
purple_debug_error("cdsa", "SSLSetIOFuncs failed\n");
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
/*
* Pass the connection information to the connection to be used by our callbacks
*/
err = SSLSetConnection(cdsa_data->ssl_ctx, (SSLConnectionRef)(intptr_t)gsc->fd);
if (err != noErr) {
purple_debug_error("cdsa", "SSLSetConnection failed: %d\n", err);
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
size_t numCiphers = 0;
err = SSLGetNumberEnabledCiphers(cdsa_data->ssl_ctx, &numCiphers);
if (err != noErr) {
purple_debug_error("cdsa", "SSLGetNumberEnabledCiphers failed: %d\n", err);
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
SSLCipherSuite ciphers[numCiphers];
err = SSLGetEnabledCiphers(cdsa_data->ssl_ctx, ciphers, &numCiphers);
if (err != noErr) {
purple_debug_error("cdsa", "SSLGetSupportedCiphers failed: %d\n", err);
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
SSLCipherSuite enabledCiphers[numCiphers];
size_t numEnabledCiphers = 0;
int i;
for (i = 0; i < numCiphers; i++) {
if (ssl_cdsa_use_cipher(ciphers[i], requireFS)) {
enabledCiphers[numEnabledCiphers] = ciphers[i];
numEnabledCiphers++;
}
}
err = SSLSetEnabledCiphers(cdsa_data->ssl_ctx, enabledCiphers, numEnabledCiphers);
if (err != noErr) {
purple_debug_error("cdsa", "SSLSetEnabledCiphers failed: %d\n", err);
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
if (purple_account_get_bool(account, PURPLE_SSL_CDSA_BUGGY_TLS_WORKAROUND, false)) {
purple_debug_info("cdsa", "Explicitly disabling TLS 1.1 and above to try and work around buggy TLS stacks\n");
OSStatus protoErr;
protoErr = SSLSetProtocolVersionEnabled(cdsa_data->ssl_ctx, kSSLProtocolAll, false);
if (protoErr != noErr) {
purple_debug_error("cdsa", "SSLSetProtocolVersionEnabled failed to disable protocols\n");
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED, gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
protoErr = SSLSetProtocolVersionEnabled(cdsa_data->ssl_ctx, kSSLProtocol3, true);
protoErr = SSLSetProtocolVersionEnabled(cdsa_data->ssl_ctx, kTLSProtocol1, true);
}
if(gsc->host) {
/*
* Set the peer's domain name so CDSA can check the certificate's CN
*/
err = SSLSetPeerDomainName(cdsa_data->ssl_ctx, gsc->host, strlen(gsc->host));
if (err != noErr) {
purple_debug_error("cdsa", "SSLSetPeerDomainName failed\n");
if (gsc->error_cb != NULL)
gsc->error_cb(gsc, PURPLE_SSL_HANDSHAKE_FAILED,
gsc->connect_cb_data);
purple_ssl_close(gsc);
return;
}
}
/*
* Disable verifying the certificate chain.
* We have to do that manually later on! This is the only way to be able to continue with a connection, even though the user
* had to manually accept the certificate.
*/
err = SSLSetEnableCertVerify(cdsa_data->ssl_ctx, false);
if (err != noErr) {
purple_debug_error("cdsa", "SSLSetEnableCertVerify failed\n");
/* error is not fatal */
}
cdsa_data->handshake_handler = purple_input_add(gsc->fd, PURPLE_INPUT_READ, ssl_cdsa_handshake_cb, gsc);
}
BOOL schan_imp_create_session(schan_imp_session *session, schan_credentials *cred)
{
struct mac_session *s;
unsigned i;
int status;
TRACE("(%p)\n", session);
s = HeapAlloc(GetProcessHeap(), 0, sizeof(*s));
if (!s)
return FALSE;
status = SSLNewContext(cred->credential_use == SECPKG_CRED_INBOUND, &s->context);
if (status != noErr)
{
ERR("Failed to create session context: %d\n", status);
goto fail;
}
status = SSLSetConnection(s->context, s);
if (status != noErr)
{
ERR("Failed to set session connection: %d\n", status);
goto fail;
}
status = SSLSetEnableCertVerify(s->context, FALSE);
if (status != noErr)
{
ERR("Failed to disable certificate verification: %d\n", status);
goto fail;
}
for(i=0; i < sizeof(protocol_priority_flags)/sizeof(*protocol_priority_flags); i++) {
if(!(protocol_priority_flags[i].enable_flag & supported_protocols))
continue;
status = SSLSetProtocolVersionEnabled(s->context, protocol_priority_flags[i].mac_version,
(cred->enabled_protocols & protocol_priority_flags[i].enable_flag) != 0);
if (status != noErr)
{
ERR("Failed to set SSL version %d: %d\n", protocol_priority_flags[i].mac_version, status);
goto fail;
}
}
status = SSLSetIOFuncs(s->context, schan_pull_adapter, schan_push_adapter);
if (status != noErr)
{
ERR("Failed to set session I/O funcs: %d\n", status);
goto fail;
}
TRACE(" -> %p/%p\n", s, s->context);
*session = (schan_imp_session)s;
return TRUE;
fail:
HeapFree(GetProcessHeap(), 0, s);
return FALSE;
}
static CURLcode darwinssl_connect_step1(struct connectdata *conn,
int sockindex)
{
struct SessionHandle *data = conn->data;
curl_socket_t sockfd = conn->sock[sockindex];
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
bool sni = true;
#ifdef ENABLE_IPV6
struct in6_addr addr;
#else
struct in_addr addr;
#endif
/*SSLConnectionRef ssl_connection;*/
OSStatus err = noErr;
#if defined(__MAC_10_8) || defined(__IPHONE_5_0)
if(SSLCreateContext != NULL) { /* use the newer API if avaialble */
if(connssl->ssl_ctx)
CFRelease(connssl->ssl_ctx);
connssl->ssl_ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
if(!connssl->ssl_ctx) {
failf(data, "SSL: couldn't create a context!");
return CURLE_OUT_OF_MEMORY;
}
}
else {
#elif TARGET_OS_EMBEDDED == 0
if(connssl->ssl_ctx)
(void)SSLDisposeContext(connssl->ssl_ctx);
err = SSLNewContext(false, &(connssl->ssl_ctx));
if(err != noErr) {
failf(data, "SSL: couldn't create a context: OSStatus %d", err);
return CURLE_OUT_OF_MEMORY;
}
#endif /* defined(__MAC_10_8) || defined(__IPHONE_5_0) */
#if defined(__MAC_10_8) || defined(__IPHONE_5_0)
}
#endif /* defined(__MAC_10_8) || defined(__IPHONE_5_0) */
/* check to see if we've been told to use an explicit SSL/TLS version */
#if defined(__MAC_10_8) || defined(__IPHONE_5_0)
if(SSLSetProtocolVersionMax != NULL) {
switch(data->set.ssl.version) {
case CURL_SSLVERSION_DEFAULT: default:
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kSSLProtocol3);
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol12);
break;
case CURL_SSLVERSION_TLSv1:
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kTLSProtocol1);
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol12);
break;
case CURL_SSLVERSION_SSLv3:
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kSSLProtocol3);
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kSSLProtocol3);
break;
case CURL_SSLVERSION_SSLv2:
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kSSLProtocol2);
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kSSLProtocol2);
}
}
else {
#if TARGET_OS_EMBEDDED == 0
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocolAll,
false);
switch (data->set.ssl.version) {
case CURL_SSLVERSION_DEFAULT: default:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol3,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol1,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol11,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol12,
true);
break;
case CURL_SSLVERSION_TLSv1:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol1,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol11,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol12,
true);
break;
case CURL_SSLVERSION_SSLv3:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol3,
true);
break;
case CURL_SSLVERSION_SSLv2:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol2,
true);
break;
}
#endif /* TARGET_OS_EMBEDDED == 0 */
}
#else
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx, kSSLProtocolAll, false);
switch(data->set.ssl.version) {
default:
case CURL_SSLVERSION_DEFAULT:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol3,
true);
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol1,
true);
break;
case CURL_SSLVERSION_TLSv1:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kTLSProtocol1,
true);
break;
case CURL_SSLVERSION_SSLv2:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol2,
true);
break;
case CURL_SSLVERSION_SSLv3:
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
kSSLProtocol3,
true);
break;
}
#endif /* defined(__MAC_10_8) || defined(__IPHONE_5_0) */
/* No need to load certificates here. SecureTransport uses the Keychain
* (which is also part of the Security framework) to evaluate trust. */
/* SSL always tries to verify the peer, this only says whether it should
* fail to connect if the verification fails, or if it should continue
* anyway. In the latter case the result of the verification is checked with
* SSL_get_verify_result() below. */
#if defined(__MAC_10_6) || defined(__IPHONE_5_0)
if(SSLSetSessionOption != NULL) {
err = SSLSetSessionOption(connssl->ssl_ctx,
kSSLSessionOptionBreakOnServerAuth,
data->set.ssl.verifypeer?false:true);
if(err != noErr) {
failf(data, "SSL: SSLSetSessionOption() failed: OSStatus %d", err);
return CURLE_SSL_CONNECT_ERROR;
}
}
else {
#elif TARGET_OS_EMBEDDED == 0
err = SSLSetEnableCertVerify(connssl->ssl_ctx,
data->set.ssl.verifypeer?true:false);
if(err != noErr) {
failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
return CURLE_SSL_CONNECT_ERROR;
}
#endif /* defined(__MAC_10_6) || defined(__IPHONE_5_0) */
#if defined(__MAC_10_6) || defined(__IPHONE_5_0)
}
#endif /* defined(__MAC_10_6) || defined(__IPHONE_5_0) */
/* If this is a domain name and not an IP address, then configure SNI: */
if((0 == Curl_inet_pton(AF_INET, conn->host.name, &addr)) &&
#ifdef ENABLE_IPV6
(0 == Curl_inet_pton(AF_INET6, conn->host.name, &addr)) &&
#endif
sni) {
err = SSLSetPeerDomainName(connssl->ssl_ctx, conn->host.name,
strlen(conn->host.name));
if(err != noErr) {
infof(data, "WARNING: SSL: SSLSetPeerDomainName() failed: OSStatus %d",
err);
}
}
err = SSLSetIOFuncs(connssl->ssl_ctx, SocketRead, SocketWrite);
if(err != noErr) {
failf(data, "SSL: SSLSetIOFuncs() failed: OSStatus %d", err);
return CURLE_SSL_CONNECT_ERROR;
}
/* pass the raw socket into the SSL layers */
/* We need to store the FD in a constant memory address, because
* SSLSetConnection() will not copy that address. I've found that
* conn->sock[sockindex] may change on its own. */
connssl->ssl_sockfd = sockfd;
/*ssl_connection = &(connssl->ssl_sockfd);
err = SSLSetConnection(connssl->ssl_ctx, ssl_connection);*/
err = SSLSetConnection(connssl->ssl_ctx, connssl);
if(err != noErr) {
failf(data, "SSL: SSLSetConnection() failed: %d", err);
return CURLE_SSL_CONNECT_ERROR;
}
connssl->connecting_state = ssl_connect_2;
return CURLE_OK;
}
/* relies on SSLSetProtocolVersionEnabled */
OSStatus sslAppClient(
SslAppTestParams *params)
{
PeerSpec peerId;
otSocket sock = 0;
OSStatus ortn;
SSLContextRef ctx = NULL;
SecKeychainRef clientKc = nil;
CFArrayRef clientCerts = nil;
sslThrDebug("Client", "starting");
params->negVersion = kSSLProtocolUnknown;
params->negCipher = SSL_NULL_WITH_NULL_NULL;
params->ortn = noHardwareErr;
/* first make sure requested server is there */
ortn = MakeServerConnection(params->hostName, params->port,
params->nonBlocking, &sock, &peerId);
if(ortn) {
printf("MakeServerConnection returned %d; aborting\n", (int)ortn);
return ortn;
}
/*
* Set up a SecureTransport session.
*/
ortn = SSLNewContext(false, &ctx);
if(ortn) {
printSslErrStr("SSLNewContext", ortn);
goto cleanup;
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
goto cleanup;
}
ortn = SSLSetConnection(ctx, (SSLConnectionRef)sock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
goto cleanup;
}
if(!params->skipHostNameCheck) {
ortn = SSLSetPeerDomainName(ctx, params->hostName,
strlen(params->hostName));
if(ortn) {
printSslErrStr("SSLSetPeerDomainName", ortn);
goto cleanup;
}
}
/* remainder of setup is optional */
if(params->anchorFile) {
ortn = sslAddTrustedRoot(ctx, params->anchorFile, params->replaceAnchors);
if(ortn) {
goto cleanup;
}
}
ortn = sslSetProtocols(ctx, params->acceptedProts, params->tryVersion);
if(ortn) {
goto cleanup;
}
if(params->resumeEnable) {
ortn = SSLSetPeerID(ctx, &peerId, sizeof(PeerSpec));
if(ortn) {
printSslErrStr("SSLSetPeerID", ortn);
goto cleanup;
}
}
if(params->disableCertVerify) {
ortn = SSLSetEnableCertVerify(ctx, false);
if(ortn) {
printSslErrStr("SSLSetEnableCertVerify", ortn);
goto cleanup;
}
}
if(params->ciphers != NULL) {
ortn = sslSetEnabledCiphers(ctx, params->ciphers);
if(ortn) {
goto cleanup;
}
}
if(params->myCertKcName) {
clientCerts = getSslCerts(params->myCertKcName, false, false, NULL, &clientKc);
if(clientCerts == nil) {
exit(1);
}
if(params->password) {
ortn = SecKeychainUnlock(clientKc, strlen(params->password),
(void *)params->password, true);
if(ortn) {
printf("SecKeychainUnlock returned %d\n", (int)ortn);
/* oh well */
}
}
if(params->idIsTrustedRoot) {
/* assume this is a root we want to implicitly trust */
ortn = addIdentityAsTrustedRoot(ctx, clientCerts);
if(ortn) {
goto cleanup;
}
}
ortn = SSLSetCertificate(ctx, clientCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
goto cleanup;
}
}
do {
ortn = SSLHandshake(ctx);
if((ortn == errSSLWouldBlock) && !params->silent) {
/* keep UI responsive */
sslOutputDot();
}
} while (ortn == errSSLWouldBlock);
SSLGetClientCertificateState(ctx, ¶ms->certState);
SSLGetNegotiatedCipher(ctx, ¶ms->negCipher);
SSLGetNegotiatedProtocolVersion(ctx, ¶ms->negVersion);
if(ortn != errSecSuccess) {
goto cleanup;
}
/* send a GET msg */
size_t actLen;
ortn = SSLWrite(ctx, CLIENT_GETMSG, strlen(CLIENT_GETMSG), &actLen);
if(ortn) {
printSslErrStr("SSLWrite", ortn);
goto cleanup;
}
#if KEEP_CONNECTED
/*
* Consume any server data and wait for server to disconnect
*/
char readBuf[READBUF_LEN];
do {
ortn = SSLRead(ctx, readBuf, READBUF_LEN, &actLen);
} while (ortn == errSSLWouldBlock);
/* convert normal "shutdown" into zero err rtn */
if(ortn == errSSLClosedGraceful) {
ortn = errSecSuccess;
}
#endif /* KEEP_CONNECTED */
cleanup:
if(ctx) {
OSStatus cerr = SSLClose(ctx);
if(ortn == errSecSuccess) {
ortn = cerr;
}
}
if(sock) {
endpointShutdown(sock);
}
if(ctx) {
SSLDisposeContext(ctx);
}
params->ortn = ortn;
sslThrDebug("Client", "done");
return ortn;
}