Update NSPR to 4.12 and NSS to 3.23 on iOS

nss/lib/nss/nssoptions.c

Index: nss/lib/nss/nssoptions.c
diff --git a/nss/lib/nss/nssoptions.c b/nss/lib/nss/nssoptions.c
index 10b0138df589813d752e911814f3c230ffd0789a..7a77b8f367b57ed3fce375767d37da4101df8932 100644
--- a/nss/lib/nss/nssoptions.c
+++ b/nss/lib/nss/nssoptions.c
@@ -19,12 +19,20 @@ struct nssOps {
     PRInt32 rsaMinKeySize;
     PRInt32 dhMinKeySize;
     PRInt32 dsaMinKeySize;
+    PRInt32 tlsVersionMinPolicy;
+    PRInt32 tlsVersionMaxPolicy;
+    PRInt32 dtlsVersionMinPolicy;
+    PRInt32 dtlsVersionMaxPolicy;
 };
 
 static struct nssOps nss_ops = {
     SSL_RSA_MIN_MODULUS_BITS,
     SSL_DH_MIN_P_BITS,
-    SSL_DSA_MIN_P_BITS
+    SSL_DSA_MIN_P_BITS,
+    1,      /* Set TLS min to less the the smallest legal SSL value */
+    0xffff, /* set TLS max to more than the largest legal SSL value */
+    1,
+    0xffff,
 };
 
 SECStatus
@@ -42,6 +50,18 @@ SECStatus rv = SECSuccess;
       case NSS_DSA_MIN_KEY_SIZE:
         nss_ops.dsaMinKeySize = value;
         break;
+      case NSS_TLS_VERSION_MIN_POLICY:
+	nss_ops.tlsVersionMinPolicy = value;
+	break;
+      case NSS_TLS_VERSION_MAX_POLICY:
+	nss_ops.tlsVersionMaxPolicy = value;
+	break;
+      case NSS_DTLS_VERSION_MIN_POLICY:
+	nss_ops.dtlsVersionMinPolicy = value;
+	break;
+      case NSS_DTLS_VERSION_MAX_POLICY:
+	nss_ops.dtlsVersionMaxPolicy = value;
+	break;
       default:
 	rv = SECFailure;
     }
@@ -64,6 +84,18 @@ SECStatus rv = SECSuccess;
       case NSS_DSA_MIN_KEY_SIZE:
         *value = nss_ops.dsaMinKeySize;
         break;
+      case NSS_TLS_VERSION_MIN_POLICY:
+	*value = nss_ops.tlsVersionMinPolicy;
+	break;
+      case NSS_TLS_VERSION_MAX_POLICY:
+	*value = nss_ops.tlsVersionMaxPolicy;
+	break;
+      case NSS_DTLS_VERSION_MIN_POLICY:
+	*value = nss_ops.dtlsVersionMinPolicy;
+	break;
+      case NSS_DTLS_VERSION_MAX_POLICY:
+	*value = nss_ops.dtlsVersionMaxPolicy;
+	break;
       default:
 	rv = SECFailure;
     }