Linux: enable building with a local version of libssl.

net/third_party/nss/ssl/sslinfo.c

+/* ***** 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 <vipul.gupta@sun.com>, 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 1.21 2009/11/09 22:00:18 wtc%google.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 --------------------> <auth> <KEA>  <bulk cipher> <MAC> <FIPS> */
+{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;
+}