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-rw-r--r--security/nss/lib/ssl/sslinfo.c160
1 files changed, 90 insertions, 70 deletions
diff --git a/security/nss/lib/ssl/sslinfo.c b/security/nss/lib/ssl/sslinfo.c
index 88162d814..4e58c5ae7 100644
--- a/security/nss/lib/ssl/sslinfo.c
+++ b/security/nss/lib/ssl/sslinfo.c
@@ -2,26 +2,12 @@
/* 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 "pk11pub.h"
#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)
{
@@ -48,48 +34,58 @@ SSL_GetChannelInfo(PRFileDesc *fd, SSLChannelInfo *info, PRUintn len)
inf.length = PR_MIN(sizeof inf, len);
if (ss->opt.useSecurity && ss->enoughFirstHsDone) {
+ SSLCipherSuiteInfo cinfo;
+ SECStatus rv;
+
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;
+
+ 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;
+ ssl_ReleaseSpecReadLock(ss);
+ inf.compressionMethod = ssl_compression_null;
+ inf.compressionMethodName = "NULL";
+
+ /* 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.originalKeaGroup = ss->sec.originalKeaGroup
+ ? ss->sec.originalKeaGroup->name
+ : ssl_grp_none;
+ 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 this is a resumed session, signatureScheme isn't set in ss->sec.
+ * Use the signature scheme from the previous handshake. */
+ if (inf.signatureScheme == ssl_sig_none && sid->sigScheme) {
+ inf.signatureScheme = sid->sigScheme;
}
+ inf.resumed = ss->statelessResume || ss->ssl3.hs.isResuming;
+
if (sid) {
unsigned int sidLen;
- inf.creationTime = sid->creationTime;
- inf.lastAccessTime = sid->lastAccessTime;
- inf.expirationTime = sid->expirationTime;
+ inf.creationTime = sid->creationTime / PR_USEC_PER_SEC;
+ inf.lastAccessTime = sid->lastAccessTime / PR_USEC_PER_SEC;
+ inf.expirationTime = sid->expirationTime / PR_USEC_PER_SEC;
inf.extendedMasterSecretUsed =
(ss->version >= SSL_LIBRARY_VERSION_TLS_1_3 ||
sid->u.ssl3.keys.extendedMasterSecretUsed)
@@ -196,17 +192,17 @@ SSL_GetPreliminaryChannelInfo(PRFileDesc *fd,
#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
+#define C_SEED "SEED", ssl_calg_seed
+#define C_CAMELLIA "CAMELLIA", ssl_calg_camellia
+#define C_AES "AES", ssl_calg_aes
+#define C_RC4 "RC4", ssl_calg_rc4
+#define C_RC2 "RC2", ssl_calg_rc2
+#define C_DES "DES", ssl_calg_des
+#define C_3DES "3DES", ssl_calg_3des
+#define C_NULL "NULL", ssl_calg_null
+#define C_SJ "SKIPJACK", ssl_calg_sj
+#define C_AESGCM "AES-GCM", ssl_calg_aes_gcm
+#define C_CHACHA20 "CHACHA20POLY1305", ssl_calg_chacha20
/* "block cipher" sizes */
#define B_256 256, 256, 256
@@ -367,8 +363,7 @@ SSL_GetNegotiatedHostInfo(PRFileDesc *fd)
}
if (ss->sec.isServer) {
- if (ss->version > SSL_LIBRARY_VERSION_3_0 &&
- ss->ssl3.initialized) { /* TLS */
+ if (ss->version > SSL_LIBRARY_VERSION_3_0) { /* TLS */
SECItem *crsName;
ssl_GetSpecReadLock(ss); /*********************************/
crsName = &ss->ssl3.hs.srvVirtName;
@@ -392,22 +387,47 @@ SSL_GetNegotiatedHostInfo(PRFileDesc *fd)
return sniName;
}
+/*
+ * HKDF-Expand-Label(Derive-Secret(Secret, label, ""),
+ * "exporter", Hash(context_value), key_length)
+ */
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)
{
+ SSL3Hashes contextHash;
+ PK11SymKey *innerSecret = NULL;
+ SECStatus rv;
+
+ static const char *kExporterInnerLabel = "exporter";
+
if (!secret) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
- return tls13_HkdfExpandLabelRaw(secret,
- tls13_GetHash(ss),
- context, contextLen,
- label, labelLen,
- out, outLen);
+ /* Pre-hash the context. */
+ rv = tls13_ComputeHash(ss, &contextHash, context, contextLen);
+ if (rv != SECSuccess) {
+ return rv;
+ }
+
+ rv = tls13_DeriveSecretNullHash(ss, secret, label, labelLen,
+ &innerSecret);
+ if (rv != SECSuccess) {
+ return rv;
+ }
+
+ rv = tls13_HkdfExpandLabelRaw(innerSecret,
+ tls13_GetHash(ss),
+ contextHash.u.raw, contextHash.len,
+ kExporterInnerLabel,
+ strlen(kExporterInnerLabel),
+ out, outLen);
+ PK11_FreeSymKey(innerSecret);
+ return rv;
}
SECStatus
@@ -457,9 +477,9 @@ SSL_ExportKeyingMaterial(PRFileDesc *fd,
return SECFailure;
}
i = 0;
- PORT_Memcpy(val + i, &ss->ssl3.hs.client_random.rand, SSL3_RANDOM_LENGTH);
+ PORT_Memcpy(val + i, ss->ssl3.hs.client_random, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
- PORT_Memcpy(val + i, &ss->ssl3.hs.server_random.rand, SSL3_RANDOM_LENGTH);
+ PORT_Memcpy(val + i, ss->ssl3.hs.server_random, SSL3_RANDOM_LENGTH);
i += SSL3_RANDOM_LENGTH;
if (hasContext) {
val[i++] = contextLen >> 8;
@@ -473,7 +493,7 @@ SSL_ExportKeyingMaterial(PRFileDesc *fd,
* secret is available and we have sent ChangeCipherSpec.
*/
ssl_GetSpecReadLock(ss);
- if (!ss->ssl3.cwSpec->master_secret && !ss->ssl3.cwSpec->msItem.len) {
+ if (!ss->ssl3.cwSpec->masterSecret) {
PORT_SetError(SSL_ERROR_HANDSHAKE_NOT_COMPLETED);
rv = SECFailure;
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 13:06:26 +0000