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authorAndrew Bartlett <abartlet@samba.org>2006-02-13 00:08:16 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:51:55 -0500
commit26421fb2dc995c4fc10195f451c4d7dce07034bf (patch)
tree6d1f668aa31cc85927e1e00c88419dac7ee64b28 /source4/auth/gensec
parente9815c38dddbb79c0cd47c3b81eae2cec850a760 (diff)
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r13481: As far as I can tell, my changes in -r 12863 were dangerously untested.
We do need the gsskrb5_get_initiator_subkey() routine. But we should ensure that we do always get a valid key, to prevent any segfaults. Without this code, we get a different session key compared with Win2k3, and so kerberised smb signing fails. Andrew Bartlett (This used to be commit cfd0df16b74b0432670b33c7bf26316b741b1bde)
Diffstat (limited to 'source4/auth/gensec')
-rw-r--r--source4/auth/gensec/gensec_gssapi.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/source4/auth/gensec/gensec_gssapi.c b/source4/auth/gensec/gensec_gssapi.c
index aaa79aa407..eab8211525 100644
--- a/source4/auth/gensec/gensec_gssapi.c
+++ b/source4/auth/gensec/gensec_gssapi.c
@@ -1058,21 +1058,22 @@ static NTSTATUS gensec_gssapi_session_key(struct gensec_security *gensec_securit
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;
- krb5_keyblock *skey;
+ OM_uint32 maj_stat, min_stat;
+ gss_buffer_desc skey;
- maj_stat = gss_krb5_get_subkey(gensec_gssapi_state->gssapi_context,
- &skey);
+ maj_stat = gsskrb5_get_initiator_subkey(&min_stat,
+ gensec_gssapi_state->gssapi_context,
+ &skey);
if (maj_stat == 0) {
DEBUG(10, ("Got KRB5 session key of length %d\n",
- (int)KRB5_KEY_LENGTH(skey)));
+ (int)skey.length));
gensec_gssapi_state->session_key = data_blob_talloc(gensec_gssapi_state,
- KRB5_KEY_DATA(skey), KRB5_KEY_LENGTH(skey));
+ skey.value, skey.length);
*session_key = gensec_gssapi_state->session_key;
dump_data_pw("KRB5 Session Key:\n", session_key->data, session_key->length);
- krb5_free_keyblock(gensec_gssapi_state->smb_krb5_context->krb5_context, skey);
+ gss_release_buffer(&min_stat, &skey);
return NT_STATUS_OK;
}
return NT_STATUS_NO_USER_SESSION_KEY;