/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Netscape security libraries. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 2001 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Dr Vipul Gupta , Sun Microsystems Laboratories * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* $Id: sslinfo.c,v 1.23 2010/01/15 01:49:33 alexei.volkov.bugs%sun.com Exp $ */ #include "ssl.h" #include "sslimpl.h" #include "sslproto.h" static const char * ssl_GetCompressionMethodName(SSLCompressionMethod compression) { switch (compression) { case ssl_compression_null: return "NULL"; #ifdef NSS_ENABLE_ZLIB case ssl_compression_deflate: return "DEFLATE"; #endif default: return "???"; } } 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->firstHsDone) { 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; } #define CS(x) x, #x #define CK(x) x | 0xff00, #x #define S_DSA "DSA", ssl_auth_dsa #define S_RSA "RSA", ssl_auth_rsa #define S_KEA "KEA", ssl_auth_kea #define S_ECDSA "ECDSA", ssl_auth_ecdsa #define K_DHE "DHE", kt_dh #define K_RSA "RSA", kt_rsa #define K_KEA "KEA", kt_kea #define K_ECDH "ECDH", kt_ecdh #define K_ECDHE "ECDHE", kt_ecdh #define C_SEED "SEED", calg_seed #define C_CAMELLIA "CAMELLIA", calg_camellia #define C_AES "AES", calg_aes #define C_RC4 "RC4", calg_rc4 #define C_RC2 "RC2", calg_rc2 #define C_DES "DES", calg_des #define C_3DES "3DES", calg_3des #define C_NULL "NULL", calg_null #define C_SJ "SKIPJACK", calg_sj #define B_256 256, 256, 256 #define B_128 128, 128, 128 #define B_3DES 192, 156, 112 #define B_SJ 96, 80, 80 #define B_DES 64, 56, 56 #define B_56 128, 56, 56 #define B_40 128, 40, 40 #define B_0 0, 0, 0 #define M_SHA "SHA1", ssl_mac_sha, 160 #define M_MD5 "MD5", ssl_mac_md5, 128 static const SSLCipherSuiteInfo suiteInfo[] = { /* <------ Cipher suite --------------------> */ {0,CS(TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA), S_RSA, K_DHE, C_CAMELLIA, B_256, M_SHA, 0, 0, 0, }, {0,CS(TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA), S_DSA, K_DHE, C_CAMELLIA, B_256, M_SHA, 0, 0, 0, }, {0,CS(TLS_DHE_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_DHE, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_DHE_DSS_WITH_AES_256_CBC_SHA), S_DSA, K_DHE, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_RSA_WITH_CAMELLIA_256_CBC_SHA), S_RSA, K_RSA, C_CAMELLIA, B_256, M_SHA, 0, 0, 0, }, {0,CS(TLS_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_RSA, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA), S_RSA, K_DHE, C_CAMELLIA, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA), S_DSA, K_DHE, C_CAMELLIA, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_DHE_DSS_WITH_RC4_128_SHA), S_DSA, K_DHE, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_DHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_DHE, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_DHE_DSS_WITH_AES_128_CBC_SHA), S_DSA, K_DHE, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_RSA_WITH_SEED_CBC_SHA), S_RSA, K_RSA, C_SEED,B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_RSA_WITH_CAMELLIA_128_CBC_SHA), S_RSA, K_RSA, C_CAMELLIA, B_128, M_SHA, 0, 0, 0, }, {0,CS(SSL_RSA_WITH_RC4_128_MD5), S_RSA, K_RSA, C_RC4, B_128, M_MD5, 0, 0, 0, }, {0,CS(SSL_RSA_WITH_RC4_128_SHA), S_RSA, K_RSA, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_RSA, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_DHE, C_3DES,B_3DES,M_SHA, 1, 0, 0, }, {0,CS(SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA), S_DSA, K_DHE, C_3DES,B_3DES,M_SHA, 1, 0, 0, }, {0,CS(SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA), S_RSA, K_RSA, C_3DES,B_3DES,M_SHA, 1, 0, 1, }, {0,CS(SSL_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_RSA, C_3DES,B_3DES,M_SHA, 1, 0, 0, }, {0,CS(SSL_DHE_RSA_WITH_DES_CBC_SHA), S_RSA, K_DHE, C_DES, B_DES, M_SHA, 0, 0, 0, }, {0,CS(SSL_DHE_DSS_WITH_DES_CBC_SHA), S_DSA, K_DHE, C_DES, B_DES, M_SHA, 0, 0, 0, }, {0,CS(SSL_RSA_FIPS_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 0, 1, }, {0,CS(SSL_RSA_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 0, 0, }, {0,CS(TLS_RSA_EXPORT1024_WITH_RC4_56_SHA), S_RSA, K_RSA, C_RC4, B_56, M_SHA, 0, 1, 0, }, {0,CS(TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 1, 0, }, {0,CS(SSL_RSA_EXPORT_WITH_RC4_40_MD5), S_RSA, K_RSA, C_RC4, B_40, M_MD5, 0, 1, 0, }, {0,CS(SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5), S_RSA, K_RSA, C_RC2, B_40, M_MD5, 0, 1, 0, }, {0,CS(SSL_RSA_WITH_NULL_SHA), S_RSA, K_RSA, C_NULL,B_0, M_SHA, 0, 1, 0, }, {0,CS(SSL_RSA_WITH_NULL_MD5), S_RSA, K_RSA, C_NULL,B_0, M_MD5, 0, 1, 0, }, #ifdef NSS_ENABLE_ECC /* ECC cipher suites */ {0,CS(TLS_ECDH_ECDSA_WITH_NULL_SHA), S_ECDSA, K_ECDH, C_NULL, B_0, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDH_ECDSA_WITH_RC4_128_SHA), S_ECDSA, K_ECDH, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA), S_ECDSA, K_ECDH, C_3DES, B_3DES, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_ECDSA_WITH_NULL_SHA), S_ECDSA, K_ECDHE, C_NULL, B_0, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDHE_ECDSA_WITH_RC4_128_SHA), S_ECDSA, K_ECDHE, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA), S_ECDSA, K_ECDHE, C_3DES, B_3DES, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDHE, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA), S_ECDSA, K_ECDHE, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDH_RSA_WITH_NULL_SHA), S_RSA, K_ECDH, C_NULL, B_0, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDH_RSA_WITH_RC4_128_SHA), S_RSA, K_ECDH, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_ECDH, C_3DES, B_3DES, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDH_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDH, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDH_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_ECDH, C_AES, B_256, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_RSA_WITH_NULL_SHA), S_RSA, K_ECDHE, C_NULL, B_0, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDHE_RSA_WITH_RC4_128_SHA), S_RSA, K_ECDHE, C_RC4, B_128, M_SHA, 0, 0, 0, }, {0,CS(TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_ECDHE, C_3DES, B_3DES, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDHE, C_AES, B_128, M_SHA, 1, 0, 0, }, {0,CS(TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_ECDHE, C_AES, B_256, M_SHA, 1, 0, 0, }, #endif /* NSS_ENABLE_ECC */ /* SSL 2 table */ {0,CK(SSL_CK_RC4_128_WITH_MD5), S_RSA, K_RSA, C_RC4, B_128, M_MD5, 0, 0, 0, }, {0,CK(SSL_CK_RC2_128_CBC_WITH_MD5), S_RSA, K_RSA, C_RC2, B_128, M_MD5, 0, 0, 0, }, {0,CK(SSL_CK_DES_192_EDE3_CBC_WITH_MD5), S_RSA, K_RSA, C_3DES,B_3DES,M_MD5, 0, 0, 0, }, {0,CK(SSL_CK_DES_64_CBC_WITH_MD5), S_RSA, K_RSA, C_DES, B_DES, M_MD5, 0, 0, 0, }, {0,CK(SSL_CK_RC4_128_EXPORT40_WITH_MD5), S_RSA, K_RSA, C_RC4, B_40, M_MD5, 0, 1, 0, }, {0,CK(SSL_CK_RC2_128_CBC_EXPORT40_WITH_MD5), S_RSA, K_RSA, C_RC2, B_40, M_MD5, 0, 1, 0, } }; #define NUM_SUITEINFOS ((sizeof suiteInfo) / (sizeof suiteInfo[0])) SECStatus SSL_GetCipherSuiteInfo(PRUint16 cipherSuite, SSLCipherSuiteInfo *info, PRUintn len) { unsigned int i; len = PR_MIN(len, sizeof suiteInfo[0]); if (!info || len < sizeof suiteInfo[0].length) { PORT_SetError(SEC_ERROR_INVALID_ARGS); return SECFailure; } for (i = 0; i < NUM_SUITEINFOS; i++) { if (suiteInfo[i].cipherSuite == cipherSuite) { memcpy(info, &suiteInfo[i], len); info->length = len; return SECSuccess; } } PORT_SetError(SEC_ERROR_INVALID_ARGS); return SECFailure; } /* This function might be a candidate to be public. * Disables all export ciphers in the default set of enabled ciphers. */ SECStatus SSL_DisableDefaultExportCipherSuites(void) { const SSLCipherSuiteInfo * pInfo = suiteInfo; unsigned int i; SECStatus rv; for (i = 0; i < NUM_SUITEINFOS; ++i, ++pInfo) { if (pInfo->isExportable) { rv = SSL_CipherPrefSetDefault(pInfo->cipherSuite, PR_FALSE); PORT_Assert(rv == SECSuccess); } } return SECSuccess; } /* This function might be a candidate to be public, * except that it takes an sslSocket pointer as an argument. * A Public version would take a PRFileDesc pointer. * Disables all export ciphers in the default set of enabled ciphers. */ SECStatus SSL_DisableExportCipherSuites(PRFileDesc * fd) { const SSLCipherSuiteInfo * pInfo = suiteInfo; unsigned int i; SECStatus rv; for (i = 0; i < NUM_SUITEINFOS; ++i, ++pInfo) { if (pInfo->isExportable) { rv = SSL_CipherPrefSet(fd, pInfo->cipherSuite, PR_FALSE); PORT_Assert(rv == SECSuccess); } } return SECSuccess; } /* Tells us if the named suite is exportable * returns false for unknown suites. */ PRBool SSL_IsExportCipherSuite(PRUint16 cipherSuite) { unsigned int i; for (i = 0; i < NUM_SUITEINFOS; i++) { if (suiteInfo[i].cipherSuite == cipherSuite) { return (PRBool)(suiteInfo[i].isExportable); } } return PR_FALSE; } 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.crSpec->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; }