Author: abartlet
Date: 2006-01-12 07:13:36 +0000 (Thu, 12 Jan 2006)
New Revision: 12863

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=12863

Log:
As lha suggested to me a while back, it appears that the
gsskrb5_get_initiator_subkey() routine is bougs.  We can indeed use
gss_krb5_get_subkey().

This is fortunate, as there was a segfault bug in 'initiator' version.

Andrew Bartlett

Modified:
   branches/SAMBA_4_0/source/auth/gensec/gensec_gssapi.c
   branches/SAMBA_4_0/source/auth/kerberos/kerberos-notes.txt
   branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi.h
   branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi_locl.h
   branches/SAMBA_4_0/source/heimdal/lib/gssapi/wrap.c


Changeset:
Modified: branches/SAMBA_4_0/source/auth/gensec/gensec_gssapi.c
===================================================================
--- branches/SAMBA_4_0/source/auth/gensec/gensec_gssapi.c       2006-01-12 
06:44:28 UTC (rev 12862)
+++ branches/SAMBA_4_0/source/auth/gensec/gensec_gssapi.c       2006-01-12 
07:13:36 UTC (rev 12863)
@@ -734,22 +734,21 @@
        if ((gensec_gssapi_state->gss_oid->length == gss_mech_krb5->length)
            && (memcmp(gensec_gssapi_state->gss_oid->elements, 
gss_mech_krb5->elements, 
                       gensec_gssapi_state->gss_oid->length) == 0)) {
-               OM_uint32 maj_stat, min_stat;
-               gss_buffer_desc skey;
+               OM_uint32 maj_stat;
+               krb5_keyblock *skey;
                
-               maj_stat = gsskrb5_get_initiator_subkey(&min_stat, 
-                                                       
gensec_gssapi_state->gssapi_context, 
-                                                       &skey);
+               maj_stat = 
gss_krb5_get_subkey(gensec_gssapi_state->gssapi_context, 
+                                              &skey);
                
                if (maj_stat == 0) {
                        DEBUG(10, ("Got KRB5 session key of length %d\n",  
-                                  (int)skey.length));
+                                  (int)KRB5_KEY_LENGTH(skey)));
                        gensec_gssapi_state->session_key = 
data_blob_talloc(gensec_gssapi_state, 
-                                                                           
skey.value, skey.length);
+                                                                           
KRB5_KEY_DATA(skey), KRB5_KEY_LENGTH(skey));
                        *session_key = gensec_gssapi_state->session_key;
                        dump_data_pw("KRB5 Session Key:\n", session_key->data, 
session_key->length);
                        
-                       gss_release_buffer(&min_stat, &skey);
+                       
krb5_free_keyblock(gensec_gssapi_state->smb_krb5_context->krb5_context, skey);
                        return NT_STATUS_OK;
                }
                return NT_STATUS_NO_USER_SESSION_KEY;

Modified: branches/SAMBA_4_0/source/auth/kerberos/kerberos-notes.txt
===================================================================
--- branches/SAMBA_4_0/source/auth/kerberos/kerberos-notes.txt  2006-01-12 
06:44:28 UTC (rev 12862)
+++ branches/SAMBA_4_0/source/auth/kerberos/kerberos-notes.txt  2006-01-12 
07:13:36 UTC (rev 12863)
@@ -247,10 +247,6 @@
 
  - DCE_STYLE
 
- - gsskrb5_get_initiator_subkey() (return the exact key that Samba3
-   has always asked for.  gsskrb5_get_subkey() might do what we need
-   anyway)
-
  - gsskrb5_acquire_creds() (takes keytab and/or ccache as input
    parameters, see keytab and state machine discussion)
 

Modified: branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi.h
===================================================================
--- branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi.h       2006-01-12 
06:44:28 UTC (rev 12862)
+++ branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi.h       2006-01-12 
07:13:36 UTC (rev 12863)
@@ -815,10 +815,8 @@
                                          gss_ctx_id_t context_handle,
                                          time_t *authtime);
 OM_uint32
-gsskrb5_get_initiator_subkey
-        (OM_uint32 * /*minor_status*/,
-        const gss_ctx_id_t context_handle,
-        gss_buffer_t /* subkey */);
+gss_krb5_get_subkey(const gss_ctx_id_t context_handle,
+                   struct EncryptionKey **key);
 
 #define GSS_C_KRB5_COMPAT_DES3_MIC 1
 

Modified: branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi_locl.h
===================================================================
--- branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi_locl.h  2006-01-12 
06:44:28 UTC (rev 12862)
+++ branches/SAMBA_4_0/source/heimdal/lib/gssapi/gssapi_locl.h  2006-01-12 
07:13:36 UTC (rev 12863)
@@ -226,9 +226,6 @@
                        gss_qop_t * qop_state,
                        char * type);
 
-OM_uint32
-gss_krb5_get_subkey(const gss_ctx_id_t context_handle,
-                   krb5_keyblock **key);
 
 krb5_error_code
 gss_address_to_krb5addr(OM_uint32 gss_addr_type,

Modified: branches/SAMBA_4_0/source/heimdal/lib/gssapi/wrap.c
===================================================================
--- branches/SAMBA_4_0/source/heimdal/lib/gssapi/wrap.c 2006-01-12 06:44:28 UTC 
(rev 12862)
+++ branches/SAMBA_4_0/source/heimdal/lib/gssapi/wrap.c 2006-01-12 07:13:36 UTC 
(rev 12863)
@@ -36,47 +36,6 @@
 RCSID("$Id: wrap.c,v 1.31 2005/01/05 02:52:12 lukeh Exp $");
 
 OM_uint32
-gsskrb5_get_initiator_subkey(OM_uint32 *minor_status,
-                            gss_ctx_id_t context_handle,
-                            gss_buffer_t key)
-{
-    krb5_error_code ret;
-    krb5_keyblock *skey = NULL;
-
-    HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
-    if (context_handle->more_flags & LOCAL) {
-       ret = krb5_auth_con_getlocalsubkey(gssapi_krb5_context,
-                                          context_handle->auth_context, 
-                                          &skey);
-       if (ret) {
-               *minor_status = ret;
-               return GSS_KRB5_S_KG_NO_SUBKEY; /* XXX */
-       }
-       
-    } else {
-       ret = krb5_auth_con_getremotesubkey(gssapi_krb5_context,
-                                           context_handle->auth_context, 
-                                           &skey);
-       if (ret) {
-               *minor_status = ret;
-               return GSS_KRB5_S_KG_NO_SUBKEY; /* XXX */
-       }
-    
-    }
-    HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
-    key->length = skey->keyvalue.length;
-    key->value  = malloc (key->length);
-    if (!key->value) {
-           krb5_free_keyblock(gssapi_krb5_context, skey);
-           *minor_status = ENOMEM;
-           return GSS_S_FAILURE;
-    }
-    memcpy(key->value, skey->keyvalue.data, key->length);
-    krb5_free_keyblock(gssapi_krb5_context, skey);
-    return 0;
-}
-
-OM_uint32
 gss_krb5_get_subkey(const gss_ctx_id_t context_handle,
                    krb5_keyblock **key)
 {


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