Merge pull request #13 from MoonchildProductions/ported-upstream

Ported upstream

1 files changed, 24 insertions, 3 deletions

diff --git a/security/nss/lib/ssl/sslinfo.c b/security/nss/lib/ssl/sslinfo.c
index 665109d65..88162d814 100644
--- a/security/nss/lib/ssl/sslinfo.c
+++ b/security/nss/lib/ssl/sslinfo.c
@@ -140,6 +140,20 @@ SSL_GetPreliminaryChannelInfo(PRFileDesc *fd,
     inf.valuesSet = ss->ssl3.hs.preliminaryInfo;
     inf.protocolVersion = ss->version;
     inf.cipherSuite = ss->ssl3.hs.cipher_suite;
+    inf.canSendEarlyData = !ss->sec.isServer &&
+                           (ss->ssl3.hs.zeroRttState == ssl_0rtt_sent ||
+                            ss->ssl3.hs.zeroRttState == ssl_0rtt_accepted);
+    /* We shouldn't be able to send early data if the handshake is done. */
+    PORT_Assert(!ss->firstHsDone || !inf.canSendEarlyData);
+
+    if (ss->sec.ci.sid &&
+        (ss->ssl3.hs.zeroRttState == ssl_0rtt_sent ||
+         ss->ssl3.hs.zeroRttState == ssl_0rtt_accepted)) {
+        inf.maxEarlyDataSize =
+            ss->sec.ci.sid->u.ssl3.locked.sessionTicket.max_early_data_size;
+    } else {
+        inf.maxEarlyDataSize = 0;
+    }
 
     memcpy(info, &inf, inf.length);
     return SECSuccess;
@@ -219,6 +233,9 @@ SSL_GetPreliminaryChannelInfo(PRFileDesc *fd,
 #define F_NFIPS_NSTD 0, 0, 1, 0 /* i.e., trash */
 #define F_EXPORT 0, 1, 0, 0     /* i.e., trash */
 
+// RFC 5705
+#define MAX_CONTEXT_LEN PR_UINT16_MAX - 1
+
 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 },
@@ -425,6 +442,11 @@ SSL_ExportKeyingMaterial(PRFileDesc *fd,
                               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) {
@@ -455,9 +477,8 @@ SSL_ExportKeyingMaterial(PRFileDesc *fd,
         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);
+        rv = ssl3_TLSPRFWithMasterSecret(ss, ss->ssl3.cwSpec, label, labelLen,
+                                         val, valLen, out, outLen);
     }
     ssl_ReleaseSpecReadLock(ss);