SECStatus
SSL_GetChannelInfo(PRFileDesc *fd, SSLChannelInfo *info, PRUintn len)
{
sslSocket * ss;
SSLChannelInfo inf;
sslSessionID * sid;
if (!info || len < sizeof inf.length) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in SSL_GetChannelInfo",
SSL_GETPID(), fd));
return SECFailure;
}
memset(&inf, 0, sizeof inf);
inf.length = PR_MIN(sizeof inf, len);
if (ss->opt.useSecurity && ss->enoughFirstHsDone) {
sid = ss->sec.ci.sid;
inf.protocolVersion = ss->version;
inf.authKeyBits = ss->sec.authKeyBits;
inf.keaKeyBits = ss->sec.keaKeyBits;
if (ss->version < SSL_LIBRARY_VERSION_3_0) {
inf.cipherSuite = ss->sec.cipherType | 0xff00;
inf.compressionMethod = ssl_compression_null;
inf.compressionMethodName = "N/A";
} else if (ss->ssl3.initialized) {
ssl_GetSpecReadLock(ss);
inf.cipherSuite = ss->ssl3.hs.cipher_suite;
inf.compressionMethod = ss->ssl3.cwSpec->compression_method;
ssl_ReleaseSpecReadLock(ss);
inf.compressionMethodName =
ssl_GetCompressionMethodName(inf.compressionMethod);
}
if (sid) {
inf.creationTime = sid->creationTime;
inf.lastAccessTime = sid->lastAccessTime;
inf.expirationTime = sid->expirationTime;
if (ss->version < SSL_LIBRARY_VERSION_3_0) {
inf.sessionIDLength = SSL2_SESSIONID_BYTES;
memcpy(inf.sessionID, sid->u.ssl2.sessionID,
SSL2_SESSIONID_BYTES);
} else {
unsigned int sidLen = sid->u.ssl3.sessionIDLength;
sidLen = PR_MIN(sidLen, sizeof inf.sessionID);
inf.sessionIDLength = sidLen;
memcpy(inf.sessionID, sid->u.ssl3.sessionID, sidLen);
}
}
}
memcpy(info, &inf, inf.length);
return SECSuccess;
}
SECStatus SSLInt_AdvanceWriteSeqByAWindow(PRFileDesc *fd, PRInt32 extra) {
sslSocket *ss;
sslSequenceNumber to;
ss = ssl_FindSocket(fd);
if (!ss) {
return SECFailure;
}
ssl_GetSpecReadLock(ss);
to = ss->ssl3.cwSpec->write_seq_num + DTLS_RECVD_RECORDS_WINDOW + extra;
ssl_ReleaseSpecReadLock(ss);
return SSLInt_AdvanceWriteSeqNum(fd, to & RECORD_SEQ_MAX);
}
SECItem *
SSL_GetNegotiatedHostInfo(PRFileDesc *fd)
{
SECItem *sniName = NULL;
sslSocket *ss;
char *name = NULL;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in SSL_GetNegotiatedHostInfo",
SSL_GETPID(), fd));
return NULL;
}
if (ss->sec.isServer) {
if (ss->version > SSL_LIBRARY_VERSION_3_0 &&
ss->ssl3.initialized) { /* TLS */
SECItem *crsName;
ssl_GetSpecReadLock(ss); /*********************************/
crsName = &ss->ssl3.hs.srvVirtName;
if (crsName->data) {
sniName = SECITEM_DupItem(crsName);
}
ssl_ReleaseSpecReadLock(ss); /*----------------------------*/
}
return sniName;
}
name = SSL_RevealURL(fd);
if (name) {
sniName = PORT_ZNew(SECItem);
if (!sniName) {
PORT_Free(name);
return NULL;
}
sniName->data = (void *)name;
sniName->len = PORT_Strlen(name);
}
return sniName;
}
SECStatus
SSL_ExportKeyingMaterial(PRFileDesc *fd,
const char *label, unsigned int labelLen,
PRBool hasContext,
const unsigned char *context, unsigned int contextLen,
unsigned char *out, unsigned int outLen)
{
sslSocket *ss;
unsigned char *val = NULL;
unsigned int valLen, i;
SECStatus rv = SECFailure;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in ExportKeyingMaterial",
SSL_GETPID(), fd));
return SECFailure;
}
if (!label || !labelLen || !out || !outLen ||
(hasContext && (!context || !contextLen))) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
if (ss->version >= SSL_LIBRARY_VERSION_TLS_1_3) {
return tls13_Exporter(ss, ss->ssl3.hs.exporterSecret,
label, labelLen,
context, hasContext ? contextLen : 0,
out, outLen);
}
if (hasContext && contextLen > MAX_CONTEXT_LEN) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
/* construct PRF arguments */
valLen = SSL3_RANDOM_LENGTH * 2;
if (hasContext) {
valLen += 2 /* PRUint16 length */ + contextLen;
}
val = PORT_Alloc(valLen);
if (!val) {
return SECFailure;
}
i = 0;
PORT_Memcpy(val + i, &ss->ssl3.hs.client_random.rand, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
PORT_Memcpy(val + i, &ss->ssl3.hs.server_random.rand, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
if (hasContext) {
val[i++] = contextLen >> 8;
val[i++] = contextLen;
PORT_Memcpy(val + i, context, contextLen);
i += contextLen;
}
PORT_Assert(i == valLen);
/* Allow TLS keying material to be exported sooner, when the master
* secret is available and we have sent ChangeCipherSpec.
*/
ssl_GetSpecReadLock(ss);
if (!ss->ssl3.cwSpec->master_secret && !ss->ssl3.cwSpec->msItem.len) {
PORT_SetError(SSL_ERROR_HANDSHAKE_NOT_COMPLETED);
rv = SECFailure;
} else {
rv = ssl3_TLSPRFWithMasterSecret(ss, ss->ssl3.cwSpec, label, labelLen,
val, valLen, out, outLen);
}
ssl_ReleaseSpecReadLock(ss);
PORT_ZFree(val, valLen);
return rv;
}
SECStatus
SSL_GetChannelInfo(PRFileDesc *fd, SSLChannelInfo *info, PRUintn len)
{
sslSocket *ss;
SSLChannelInfo inf;
sslSessionID *sid;
/* Check if we can properly return the length of data written and that
* we're not asked to return more information than we know how to provide.
*/
if (!info || len < sizeof inf.length || len > sizeof inf) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in SSL_GetChannelInfo",
SSL_GETPID(), fd));
return SECFailure;
}
memset(&inf, 0, sizeof inf);
inf.length = PR_MIN(sizeof inf, len);
if (ss->opt.useSecurity && ss->enoughFirstHsDone) {
sid = ss->sec.ci.sid;
inf.protocolVersion = ss->version;
inf.authKeyBits = ss->sec.authKeyBits;
inf.keaKeyBits = ss->sec.keaKeyBits;
if (ss->ssl3.initialized) {
SSLCipherSuiteInfo cinfo;
SECStatus rv;
ssl_GetSpecReadLock(ss);
/* XXX The cipher suite should be in the specs and this
* function should get it from cwSpec rather than from the "hs".
* See bug 275744 comment 69 and bug 766137.
*/
inf.cipherSuite = ss->ssl3.hs.cipher_suite;
inf.compressionMethod = ss->ssl3.cwSpec->compression_method;
ssl_ReleaseSpecReadLock(ss);
inf.compressionMethodName =
ssl_GetCompressionMethodName(inf.compressionMethod);
/* Fill in the cipher details from the cipher suite. */
rv = SSL_GetCipherSuiteInfo(inf.cipherSuite,
&cinfo, sizeof(cinfo));
if (rv != SECSuccess) {
return SECFailure; /* Error code already set. */
}
inf.symCipher = cinfo.symCipher;
inf.macAlgorithm = cinfo.macAlgorithm;
/* Get these fromm |ss->sec| because that is accurate
* even with TLS 1.3 disaggregated cipher suites. */
inf.keaType = ss->sec.keaType;
inf.keaGroup = ss->sec.keaGroup ? ss->sec.keaGroup->name : ssl_grp_none;
inf.keaKeyBits = ss->sec.keaKeyBits;
inf.authType = ss->sec.authType;
inf.authKeyBits = ss->sec.authKeyBits;
inf.signatureScheme = ss->sec.signatureScheme;
}
if (sid) {
unsigned int sidLen;
inf.creationTime = sid->creationTime;
inf.lastAccessTime = sid->lastAccessTime;
inf.expirationTime = sid->expirationTime;
inf.extendedMasterSecretUsed =
(ss->version >= SSL_LIBRARY_VERSION_TLS_1_3 ||
sid->u.ssl3.keys.extendedMasterSecretUsed)
? PR_TRUE
: PR_FALSE;
inf.earlyDataAccepted =
(ss->ssl3.hs.zeroRttState == ssl_0rtt_accepted ||
ss->ssl3.hs.zeroRttState == ssl_0rtt_done);
sidLen = sid->u.ssl3.sessionIDLength;
sidLen = PR_MIN(sidLen, sizeof inf.sessionID);
inf.sessionIDLength = sidLen;
memcpy(inf.sessionID, sid->u.ssl3.sessionID, sidLen);
}
}
memcpy(info, &inf, inf.length);
return SECSuccess;
}
SECStatus
SSL_GetChannelInfo(PRFileDesc *fd, SSLChannelInfo *info, PRUintn len)
{
sslSocket * ss;
SSLChannelInfo inf;
sslSessionID * sid;
PRBool enoughFirstHsDone = PR_FALSE;
if (!info || len < sizeof inf.length) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in SSL_GetChannelInfo",
SSL_GETPID(), fd));
return SECFailure;
}
memset(&inf, 0, sizeof inf);
inf.length = PR_MIN(sizeof inf, len);
if (ss->firstHsDone) {
enoughFirstHsDone = PR_TRUE;
} else if (ss->version >= SSL_LIBRARY_VERSION_3_0 &&
ssl3_CanFalseStart(ss)) {
enoughFirstHsDone = PR_TRUE;
}
if (ss->opt.useSecurity && enoughFirstHsDone) {
sid = ss->sec.ci.sid;
inf.protocolVersion = ss->version;
inf.authKeyBits = ss->sec.authKeyBits;
inf.keaKeyBits = ss->sec.keaKeyBits;
if (ss->version < SSL_LIBRARY_VERSION_3_0) { /* SSL2 */
inf.cipherSuite = ss->sec.cipherType | 0xff00;
inf.compressionMethod = ssl_compression_null;
inf.compressionMethodName = "N/A";
} else if (ss->ssl3.initialized) { /* SSL3 and TLS */
ssl_GetSpecReadLock(ss);
/* XXX The cipher suite should be in the specs and this
* function should get it from crSpec rather than from the "hs".
* See bug 275744 comment 69.
*/
inf.cipherSuite = ss->ssl3.hs.cipher_suite;
inf.compressionMethod = ss->ssl3.crSpec->compression_method;
ssl_ReleaseSpecReadLock(ss);
inf.compressionMethodName =
ssl_GetCompressionMethodName(inf.compressionMethod);
}
if (sid) {
inf.creationTime = sid->creationTime;
inf.lastAccessTime = sid->lastAccessTime;
inf.expirationTime = sid->expirationTime;
if (ss->version < SSL_LIBRARY_VERSION_3_0) { /* SSL2 */
inf.sessionIDLength = SSL2_SESSIONID_BYTES;
memcpy(inf.sessionID, sid->u.ssl2.sessionID,
SSL2_SESSIONID_BYTES);
} else {
unsigned int sidLen = sid->u.ssl3.sessionIDLength;
sidLen = PR_MIN(sidLen, sizeof inf.sessionID);
inf.sessionIDLength = sidLen;
memcpy(inf.sessionID, sid->u.ssl3.sessionID, sidLen);
}
}
}
memcpy(info, &inf, inf.length);
return SECSuccess;
}
SECStatus
SSL_ExportKeyingMaterial(PRFileDesc *fd,
const char *label, unsigned int labelLen,
PRBool hasContext,
const unsigned char *context, unsigned int contextLen,
unsigned char *out, unsigned int outLen)
{
sslSocket *ss;
unsigned char *val = NULL;
unsigned int valLen, i;
SECStatus rv = SECFailure;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in ExportKeyingMaterial",
SSL_GETPID(), fd));
return SECFailure;
}
ssl_GetRecvBufLock(ss);
ssl_GetSSL3HandshakeLock(ss);
if (ss->version < SSL_LIBRARY_VERSION_3_1_TLS) {
PORT_SetError(SSL_ERROR_FEATURE_NOT_SUPPORTED_FOR_VERSION);
ssl_ReleaseSSL3HandshakeLock(ss);
ssl_ReleaseRecvBufLock(ss);
return SECFailure;
}
valLen = SSL3_RANDOM_LENGTH * 2;
if (hasContext) {
valLen += 2 + contextLen;
}
val = PORT_Alloc(valLen);
if (!val) {
ssl_ReleaseSSL3HandshakeLock(ss);
ssl_ReleaseRecvBufLock(ss);
return SECFailure;
}
i = 0;
PORT_Memcpy(val + i, &ss->ssl3.hs.client_random.rand, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
PORT_Memcpy(val + i, &ss->ssl3.hs.server_random.rand, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
if (hasContext) {
val[i++] = contextLen >> 8;
val[i++] = contextLen;
PORT_Memcpy(val + i, context, contextLen);
i += contextLen;
}
PORT_Assert(i == valLen);
ssl_GetSpecReadLock(ss);
if (!ss->ssl3.cwSpec->master_secret && !ss->ssl3.cwSpec->msItem.len) {
PORT_SetError(SSL_ERROR_HANDSHAKE_NOT_COMPLETED);
rv = SECFailure;
} else {
rv = ssl3_TLSPRFWithMasterSecret(ss->ssl3.cwSpec, label, labelLen, val,
valLen, out, outLen);
}
ssl_ReleaseSpecReadLock(ss);
ssl_ReleaseSSL3HandshakeLock(ss);
ssl_ReleaseRecvBufLock(ss);
PORT_ZFree(val, valLen);
return rv;
}
