NEX-5665 SMB2 oplock leases
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-5665 SMB2 oplock leases
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-5273 SMB 3 Encryption
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-3728 SMB1 signing should use KCF like SMB2/3
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Dan Fields <dan.fields@nexenta.com>
NEX-3610 CLONE NEX-3591 SMB3 signing
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Dan Fields <dan.fields@nexenta.com>

@@ -8,11 +8,11 @@
  * source.  A copy of the CDDL is also available via the Internet at
  * http://www.illumos.org/license/CDDL.
  */
 
 /*
- * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
  */
 
 /*
  * Helper functions for SMB signing using PKCS#11
  *

@@ -21,33 +21,56 @@
  * See: uts/common/fs/smbsrv/smb_sign_kcf.c
  */
 
 #include <stdlib.h>
 #include <smbsrv/smb_kproto.h>
-#include <smbsrv/smb_signing.h>
+#include <smbsrv/smb_kcrypt.h>
 #include <security/cryptoki.h>
 #include <security/pkcs11.h>
 
 /*
+ * Common function to see if a mech is available.
+ */
+static int
+find_mech(smb_crypto_mech_t *mech, ulong_t mid)
+{
+        CK_SESSION_HANDLE hdl;
+        CK_RV rv;
+
+        rv = SUNW_C_GetMechSession(mid, &hdl);
+        if (rv != CKR_OK) {
+                cmn_err(CE_NOTE, "PKCS#11: no mech 0x%x",
+                    (unsigned int)mid);
+                return (-1);
+        }
+        (void) C_CloseSession(hdl);
+
+        mech->mechanism = mid;
+        mech->pParameter = NULL;
+        mech->ulParameterLen = 0;
+        return (0);
+}
+
+/*
  * SMB1 signing helpers:
  * (getmech, init, update, final)
  */
 
+/*
+ * Find out if we have this mech.
+ */
 int
-smb_md5_getmech(smb_sign_mech_t *mech)
+smb_md5_getmech(smb_crypto_mech_t *mech)
 {
-        mech->mechanism = CKM_MD5;
-        mech->pParameter = NULL;
-        mech->ulParameterLen = 0;
-        return (0);
+        return (find_mech(mech, CKM_MD5));
 }
 
 /*
  * Start PKCS#11 session.
  */
 int
-smb_md5_init(smb_sign_ctx_t *ctxp, smb_sign_mech_t *mech)
+smb_md5_init(smb_sign_ctx_t *ctxp, smb_crypto_mech_t *mech)
 {
         CK_RV rv;
 
         rv = SUNW_C_GetMechSession(mech->mechanism, ctxp);
         if (rv != CKR_OK)

@@ -91,24 +114,24 @@
 /*
  * SMB2 signing helpers:
  * (getmech, init, update, final)
  */
 
+/*
+ * Find out if we have this mech.
+ */
 int
-smb2_hmac_getmech(smb_sign_mech_t *mech)
+smb2_hmac_getmech(smb_crypto_mech_t *mech)
 {
-        mech->mechanism = CKM_SHA256_HMAC;
-        mech->pParameter = NULL;
-        mech->ulParameterLen = 0;
-        return (0);
+        return (find_mech(mech, CKM_SHA256_HMAC));
 }
 
 /*
  * Start PKCS#11 session, load the key.
  */
 int
-smb2_hmac_init(smb_sign_ctx_t *ctxp, smb_sign_mech_t *mech,
+smb2_hmac_init(smb_sign_ctx_t *ctxp, smb_crypto_mech_t *mech,
     uint8_t *key, size_t key_len)
 {
         CK_OBJECT_HANDLE hkey = 0;
         CK_RV rv;
 

@@ -157,7 +180,77 @@
         if (rv == CKR_OK)
                 bcopy(full_digest, digest16, 16);
 
         (void) C_CloseSession(ctx);
 
+        return (rv == CKR_OK ? 0 : -1);
+}
+
+/*
+ * SMB3 signing helpers:
+ * (getmech, init, update, final)
+ */
+
+/*
+ * Find out if we have this mech.
+ */
+int
+smb3_cmac_getmech(smb_crypto_mech_t *mech)
+{
+        return (find_mech(mech, CKM_AES_CMAC));
+}
+
+/*
+ * Start PKCS#11 session, load the key.
+ */
+int
+smb3_cmac_init(smb_sign_ctx_t *ctxp, smb_crypto_mech_t *mech,
+    uint8_t *key, size_t key_len)
+{
+        CK_OBJECT_HANDLE hkey = 0;
+        CK_RV rv;
+
+        rv = SUNW_C_GetMechSession(mech->mechanism, ctxp);
+        if (rv != CKR_OK)
+                return (-1);
+
+        rv = SUNW_C_KeyToObject(*ctxp, mech->mechanism,
+            key, key_len, &hkey);
+        if (rv != CKR_OK)
+                return (-1);
+
+        rv = C_SignInit(*ctxp, mech, hkey);
+        (void) C_DestroyObject(*ctxp, hkey);
+
+        return (rv == CKR_OK ? 0 : -1);
+}
+
+/*
+ * Digest one segment
+ */
+int
+smb3_cmac_update(smb_sign_ctx_t ctx, uint8_t *in, size_t len)
+{
+        CK_RV rv;
+
+        rv = C_SignUpdate(ctx, in, len);
+        if (rv != CKR_OK)
+                (void) C_CloseSession(ctx);
+
+        return (rv == CKR_OK ? 0 : -1);
+}
+
+/*
+ * Note, the SMB2 signature is just the AES CMAC digest.
+ * (both are 16 bytes long)
+ */
+int
+smb3_cmac_final(smb_sign_ctx_t ctx, uint8_t *digest)
+{
+        CK_ULONG len = SMB2_SIG_SIZE;
+        CK_RV rv;
+
+        rv = C_SignFinal(ctx, digest, &len);
+        (void) C_CloseSession(ctx);
+
         return (rv == CKR_OK ? 0 : -1);
 }