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-rw-r--r--security/nss/lib/ssl/sslinfo.c493
1 files changed, 493 insertions, 0 deletions
diff --git a/security/nss/lib/ssl/sslinfo.c b/security/nss/lib/ssl/sslinfo.c
new file mode 100644
index 000000000..665109d65
--- /dev/null
+++ b/security/nss/lib/ssl/sslinfo.c
@@ -0,0 +1,493 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "ssl.h"
+#include "sslimpl.h"
+#include "sslproto.h"
+#include "tls13hkdf.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;
+
+ /* 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_GetPreliminaryChannelInfo(PRFileDesc *fd,
+ SSLPreliminaryChannelInfo *info,
+ PRUintn len)
+{
+ sslSocket *ss;
+ SSLPreliminaryChannelInfo inf;
+
+ /* 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_GetPreliminaryChannelInfo",
+ SSL_GETPID(), fd));
+ return SECFailure;
+ }
+
+ memset(&inf, 0, sizeof(inf));
+ inf.length = PR_MIN(sizeof(inf), len);
+
+ inf.valuesSet = ss->ssl3.hs.preliminaryInfo;
+ inf.protocolVersion = ss->version;
+ inf.cipherSuite = ss->ssl3.hs.cipher_suite;
+
+ memcpy(info, &inf, inf.length);
+ return SECSuccess;
+}
+
+/* name */
+#define CS_(x) x, #x
+#define CS(x) CS_(TLS_##x)
+
+/* legacy values for authAlgorithm */
+#define S_DSA "DSA", ssl_auth_dsa
+/* S_RSA is incorrect for signature-based suites */
+/* ECDH suites incorrectly report S_RSA or S_ECDSA */
+#define S_RSA "RSA", ssl_auth_rsa_decrypt
+#define S_ECDSA "ECDSA", ssl_auth_ecdsa
+#define S_PSK "PSK", ssl_auth_psk
+#define S_ANY "TLS 1.3", ssl_auth_tls13_any
+
+/* real authentication algorithm */
+#define A_DSA ssl_auth_dsa
+#define A_RSAD ssl_auth_rsa_decrypt
+#define A_RSAS ssl_auth_rsa_sign
+#define A_ECDSA ssl_auth_ecdsa
+#define A_ECDH_R ssl_auth_ecdh_rsa
+#define A_ECDH_E ssl_auth_ecdh_ecdsa
+#define A_PSK ssl_auth_psk
+/* Report ssl_auth_null for export suites that can't decide between
+ * ssl_auth_rsa_sign and ssl_auth_rsa_decrypt. */
+#define A_EXP ssl_auth_null
+#define A_ANY ssl_auth_tls13_any
+
+/* key exchange */
+#define K_DHE "DHE", ssl_kea_dh
+#define K_RSA "RSA", ssl_kea_rsa
+#define K_KEA "KEA", ssl_kea_kea
+#define K_ECDH "ECDH", ssl_kea_ecdh
+#define K_ECDHE "ECDHE", ssl_kea_ecdh
+#define K_ECDHE_PSK "ECDHE-PSK", ssl_kea_ecdh_psk
+#define K_DHE_PSK "DHE-PSK", ssl_kea_dh_psk
+#define K_ANY "TLS 1.3", ssl_kea_tls13_any
+
+/* record protection cipher */
+#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 C_AESGCM "AES-GCM", calg_aes_gcm
+#define C_CHACHA20 "CHACHA20POLY1305", calg_chacha20
+
+/* "block cipher" sizes */
+#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
+
+/* "mac algorithm" and size */
+#define M_AEAD_128 "AEAD", ssl_mac_aead, 128
+#define M_SHA384 "SHA384", ssl_hmac_sha384, 384
+#define M_SHA256 "SHA256", ssl_hmac_sha256, 256
+#define M_SHA "SHA1", ssl_mac_sha, 160
+#define M_MD5 "MD5", ssl_mac_md5, 128
+#define M_NULL "NULL", ssl_mac_null, 0
+
+/* flags: FIPS, exportable, nonstandard, reserved */
+#define F_FIPS_STD 1, 0, 0, 0
+#define F_FIPS_NSTD 1, 0, 1, 0
+#define F_NFIPS_STD 0, 0, 0, 0
+#define F_NFIPS_NSTD 0, 0, 1, 0 /* i.e., trash */
+#define F_EXPORT 0, 1, 0, 0 /* i.e., trash */
+
+static const SSLCipherSuiteInfo suiteInfo[] = {
+ /* <------ Cipher suite --------------------> <auth> <KEA> <bulk cipher> <MAC> <FIPS> */
+ { 0, CS_(TLS_AES_128_GCM_SHA256), S_ANY, K_ANY, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_ANY },
+ { 0, CS_(TLS_CHACHA20_POLY1305_SHA256), S_ANY, K_ANY, C_CHACHA20, B_256, M_AEAD_128, F_NFIPS_STD, A_ANY },
+ { 0, CS_(TLS_AES_256_GCM_SHA384), S_ANY, K_ANY, C_AESGCM, B_256, M_AEAD_128, F_NFIPS_STD, A_ANY },
+
+ { 0, CS(RSA_WITH_AES_128_GCM_SHA256), S_RSA, K_RSA, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_RSAD },
+ { 0, CS(DHE_RSA_WITH_CHACHA20_POLY1305_SHA256), S_RSA, K_DHE, C_CHACHA20, B_256, M_AEAD_128, F_NFIPS_STD, A_RSAS },
+
+ { 0, CS(DHE_RSA_WITH_CAMELLIA_256_CBC_SHA), S_RSA, K_DHE, C_CAMELLIA, B_256, M_SHA, F_NFIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_CAMELLIA_256_CBC_SHA), S_DSA, K_DHE, C_CAMELLIA, B_256, M_SHA, F_NFIPS_STD, A_DSA },
+ { 0, CS(DHE_RSA_WITH_AES_256_CBC_SHA256), S_RSA, K_DHE, C_AES, B_256, M_SHA256, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_DHE, C_AES, B_256, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_AES_256_CBC_SHA), S_DSA, K_DHE, C_AES, B_256, M_SHA, F_FIPS_STD, A_DSA },
+ { 0, CS(DHE_DSS_WITH_AES_256_CBC_SHA256), S_DSA, K_DHE, C_AES, B_256, M_SHA256, F_FIPS_STD, A_DSA },
+ { 0, CS(RSA_WITH_CAMELLIA_256_CBC_SHA), S_RSA, K_RSA, C_CAMELLIA, B_256, M_SHA, F_NFIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_AES_256_CBC_SHA256), S_RSA, K_RSA, C_AES, B_256, M_SHA256, F_FIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_AES_256_CBC_SHA), S_RSA, K_RSA, C_AES, B_256, M_SHA, F_FIPS_STD, A_RSAD },
+
+ { 0, CS(DHE_RSA_WITH_CAMELLIA_128_CBC_SHA), S_RSA, K_DHE, C_CAMELLIA, B_128, M_SHA, F_NFIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_CAMELLIA_128_CBC_SHA), S_DSA, K_DHE, C_CAMELLIA, B_128, M_SHA, F_NFIPS_STD, A_DSA },
+ { 0, CS(DHE_DSS_WITH_RC4_128_SHA), S_DSA, K_DHE, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_DSA },
+ { 0, CS(DHE_RSA_WITH_AES_128_CBC_SHA256), S_RSA, K_DHE, C_AES, B_128, M_SHA256, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_RSA_WITH_AES_128_GCM_SHA256), S_RSA, K_DHE, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_DHE, C_AES, B_128, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_AES_128_GCM_SHA256), S_DSA, K_DHE, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_DSA },
+ { 0, CS(DHE_DSS_WITH_AES_128_CBC_SHA), S_DSA, K_DHE, C_AES, B_128, M_SHA, F_FIPS_STD, A_DSA },
+ { 0, CS(DHE_DSS_WITH_AES_128_CBC_SHA256), S_DSA, K_DHE, C_AES, B_128, M_SHA256, F_FIPS_STD, A_DSA },
+ { 0, CS(RSA_WITH_SEED_CBC_SHA), S_RSA, K_RSA, C_SEED, B_128, M_SHA, F_FIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_CAMELLIA_128_CBC_SHA), S_RSA, K_RSA, C_CAMELLIA, B_128, M_SHA, F_NFIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_RC4_128_SHA), S_RSA, K_RSA, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_RC4_128_MD5), S_RSA, K_RSA, C_RC4, B_128, M_MD5, F_NFIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_AES_128_CBC_SHA256), S_RSA, K_RSA, C_AES, B_128, M_SHA256, F_FIPS_STD, A_RSAD },
+ { 0, CS(RSA_WITH_AES_128_CBC_SHA), S_RSA, K_RSA, C_AES, B_128, M_SHA, F_FIPS_STD, A_RSAD },
+
+ { 0, CS(DHE_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_DHE, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_3DES_EDE_CBC_SHA), S_DSA, K_DHE, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_DSA },
+ { 0, CS(RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_RSA, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_RSAD },
+
+ { 0, CS(DHE_RSA_WITH_DES_CBC_SHA), S_RSA, K_DHE, C_DES, B_DES, M_SHA, F_NFIPS_STD, A_RSAS },
+ { 0, CS(DHE_DSS_WITH_DES_CBC_SHA), S_DSA, K_DHE, C_DES, B_DES, M_SHA, F_NFIPS_STD, A_DSA },
+ { 0, CS(RSA_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, F_NFIPS_STD, A_RSAD },
+
+ { 0, CS(RSA_WITH_NULL_SHA256), S_RSA, K_RSA, C_NULL, B_0, M_SHA256, F_EXPORT, A_RSAD },
+ { 0, CS(RSA_WITH_NULL_SHA), S_RSA, K_RSA, C_NULL, B_0, M_SHA, F_EXPORT, A_RSAD },
+ { 0, CS(RSA_WITH_NULL_MD5), S_RSA, K_RSA, C_NULL, B_0, M_MD5, F_EXPORT, A_RSAD },
+
+ /* ECC cipher suites */
+ { 0, CS(ECDHE_RSA_WITH_AES_128_GCM_SHA256), S_RSA, K_ECDHE, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_128_GCM_SHA256), S_ECDSA, K_ECDHE, C_AESGCM, B_128, M_AEAD_128, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDH_ECDSA_WITH_NULL_SHA), S_ECDSA, K_ECDH, C_NULL, B_0, M_SHA, F_NFIPS_STD, A_ECDH_E },
+ { 0, CS(ECDH_ECDSA_WITH_RC4_128_SHA), S_ECDSA, K_ECDH, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_ECDH_E },
+ { 0, CS(ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA), S_ECDSA, K_ECDH, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_ECDH_E },
+ { 0, CS(ECDH_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_128, M_SHA, F_FIPS_STD, A_ECDH_E },
+ { 0, CS(ECDH_ECDSA_WITH_AES_256_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_256, M_SHA, F_FIPS_STD, A_ECDH_E },
+
+ { 0, CS(ECDHE_ECDSA_WITH_NULL_SHA), S_ECDSA, K_ECDHE, C_NULL, B_0, M_SHA, F_NFIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_RC4_128_SHA), S_ECDSA, K_ECDHE, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA), S_ECDSA, K_ECDHE, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDHE, C_AES, B_128, M_SHA, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_128_CBC_SHA256), S_ECDSA, K_ECDHE, C_AES, B_128, M_SHA256, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_256_CBC_SHA), S_ECDSA, K_ECDHE, C_AES, B_256, M_SHA, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256), S_ECDSA, K_ECDHE, C_CHACHA20, B_256, M_AEAD_128, F_NFIPS_STD, A_ECDSA },
+
+ { 0, CS(ECDH_RSA_WITH_NULL_SHA), S_RSA, K_ECDH, C_NULL, B_0, M_SHA, F_NFIPS_STD, A_ECDH_R },
+ { 0, CS(ECDH_RSA_WITH_RC4_128_SHA), S_RSA, K_ECDH, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_ECDH_R },
+ { 0, CS(ECDH_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_ECDH, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_ECDH_R },
+ { 0, CS(ECDH_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDH, C_AES, B_128, M_SHA, F_FIPS_STD, A_ECDH_R },
+ { 0, CS(ECDH_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_ECDH, C_AES, B_256, M_SHA, F_FIPS_STD, A_ECDH_R },
+
+ { 0, CS(ECDHE_RSA_WITH_NULL_SHA), S_RSA, K_ECDHE, C_NULL, B_0, M_SHA, F_NFIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_RC4_128_SHA), S_RSA, K_ECDHE, C_RC4, B_128, M_SHA, F_NFIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_ECDHE, C_3DES, B_3DES, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDHE, C_AES, B_128, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_AES_128_CBC_SHA256), S_RSA, K_ECDHE, C_AES, B_128, M_SHA256, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_ECDHE, C_AES, B_256, M_SHA, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256), S_RSA, K_ECDHE, C_CHACHA20, B_256, M_AEAD_128, F_NFIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_RSA_WITH_AES_256_CBC_SHA384), S_RSA, K_ECDHE, C_AES, B_256, M_SHA384, F_FIPS_STD, A_RSAS },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_256_CBC_SHA384), S_ECDSA, K_ECDHE, C_AES, B_256, M_SHA384, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_ECDSA_WITH_AES_256_GCM_SHA384), S_ECDSA, K_ECDHE, C_AESGCM, B_256, M_AEAD_128, F_FIPS_STD, A_ECDSA },
+ { 0, CS(ECDHE_RSA_WITH_AES_256_GCM_SHA384), S_RSA, K_ECDHE, C_AESGCM, B_256, M_AEAD_128, F_FIPS_STD, A_RSAS },
+
+ { 0, CS(DHE_DSS_WITH_AES_256_GCM_SHA384), S_DSA, K_DHE, C_AESGCM, B_256, M_AEAD_128, F_FIPS_STD, A_DSA },
+ { 0, CS(DHE_RSA_WITH_AES_256_GCM_SHA384), S_RSA, K_DHE, C_AESGCM, B_256, M_AEAD_128, F_FIPS_STD, A_RSAS },
+ { 0, CS(RSA_WITH_AES_256_GCM_SHA384), S_RSA, K_RSA, C_AESGCM, B_256, M_AEAD_128, F_FIPS_STD, A_RSAD },
+};
+
+#define NUM_SUITEINFOS ((sizeof suiteInfo) / (sizeof suiteInfo[0]))
+
+SECStatus
+SSL_GetCipherSuiteInfo(PRUint16 cipherSuite,
+ SSLCipherSuiteInfo *info, PRUintn len)
+{
+ unsigned int i;
+
+ /* 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 suiteInfo[0].length ||
+ len > sizeof suiteInfo[0]) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ len = PR_MIN(len, sizeof suiteInfo[0]);
+ 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;
+}
+
+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;
+}
+
+static SECStatus
+tls13_Exporter(sslSocket *ss, PK11SymKey *secret,
+ const char *label, unsigned int labelLen,
+ const unsigned char *context, unsigned int contextLen,
+ unsigned char *out, unsigned int outLen)
+{
+ if (!secret) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+
+ return tls13_HkdfExpandLabelRaw(secret,
+ tls13_GetHash(ss),
+ context, contextLen,
+ label, labelLen,
+ out, outLen);
+}
+
+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);
+ }
+
+ /* 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 {
+ HASH_HashType ht = ssl3_GetTls12HashType(ss);
+ rv = ssl3_TLSPRFWithMasterSecret(ss->ssl3.cwSpec, label, labelLen, val,
+ valLen, out, outLen, ht);
+ }
+ ssl_ReleaseSpecReadLock(ss);
+
+ PORT_ZFree(val, valLen);
+ return rv;
+}
+
+SECStatus
+SSL_ExportEarlyKeyingMaterial(PRFileDesc *fd,
+ const char *label, unsigned int labelLen,
+ const unsigned char *context,
+ unsigned int contextLen,
+ unsigned char *out, unsigned int outLen)
+{
+ sslSocket *ss;
+
+ ss = ssl_FindSocket(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in SSL_ExportEarlyKeyingMaterial",
+ SSL_GETPID(), fd));
+ return SECFailure;
+ }
+
+ if (!label || !labelLen || !out || !outLen ||
+ (!context && contextLen)) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+
+ return tls13_Exporter(ss, ss->ssl3.hs.earlyExporterSecret,
+ label, labelLen, context, contextLen,
+ out, outLen);
+}