From 188a8014ea77e8d03916da8b6bc103bc49086155 Mon Sep 17 00:00:00 2001
From: Andrew Bartlett <abartlet@samba.org>
Date: Thu, 29 Jul 2004 10:33:36 +0000
Subject: r1605: GENSEC krb5 updates - fix a valgrind found uninitialised
 variable, and allow tests for 'unwrapped' krb5, allowed by Win2k3.

SPENGO changes, trying to get the logic right (when and what
sub-mechanisms to wrap).

Andrew Bartlett
(This used to be commit 8a0f7bf5e282d021afe93994a91fd76fa9c05f42)
---
 source4/libcli/auth/gensec_krb5.c |  8 ++++++--
 source4/libcli/auth/spnego.c      | 32 ++++++++++++++++++++------------
 2 files changed, 26 insertions(+), 14 deletions(-)

(limited to 'source4/libcli/auth')

diff --git a/source4/libcli/auth/gensec_krb5.c b/source4/libcli/auth/gensec_krb5.c
index c7c1a18d24..f5f02d1421 100644
--- a/source4/libcli/auth/gensec_krb5.c
+++ b/source4/libcli/auth/gensec_krb5.c
@@ -187,7 +187,7 @@ static NTSTATUS gensec_krb5_client_start(struct gensec_security *gensec_security
 		case KRB5_CC_NOTFOUND:
 		{
 			char *password;
-			time_t kdc_time;
+			time_t kdc_time = 0;
 			nt_status = gensec_get_password(gensec_security, 
 							gensec_security->mem_ctx, 
 							&password);
@@ -284,11 +284,15 @@ static NTSTATUS gensec_krb5_update(struct gensec_security *gensec_security, TALL
 			nt_status = NT_STATUS_LOGON_FAILURE;
 		} else {
 			DATA_BLOB unwrapped_out;
+
+#ifndef GENSEC_SEND_UNWRAPPED_KRB5 /* This should be a switch for the torture code to set */
 			unwrapped_out = data_blob_talloc(out_mem_ctx, gensec_krb5_state->ticket.data, gensec_krb5_state->ticket.length);
 			
 			/* wrap that up in a nice GSS-API wrapping */
 			*out = gensec_gssapi_gen_krb5_wrap(out_mem_ctx, &unwrapped_out, TOK_ID_KRB_AP_REQ);
-
+#else
+			*out = data_blob_talloc(out_mem_ctx, gensec_krb5_state->ticket.data, gensec_krb5_state->ticket.length);
+#endif
 			gensec_krb5_state->state_position = GENSEC_KRB5_CLIENT_MUTUAL_AUTH;
 			nt_status = NT_STATUS_MORE_PROCESSING_REQUIRED;
 		}
diff --git a/source4/libcli/auth/spnego.c b/source4/libcli/auth/spnego.c
index c16d77dad9..23f0b1c070 100644
--- a/source4/libcli/auth/spnego.c
+++ b/source4/libcli/auth/spnego.c
@@ -511,15 +511,16 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 					  &unwrapped_out);
 		
 		
-		if ((spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) 
-		    && !NT_STATUS_IS_OK(nt_status)) {
+		if (NT_STATUS_IS_OK(nt_status) 
+		    && (spnego.negTokenTarg.negResult != SPNEGO_ACCEPT_COMPLETED)) {
 		    	DEBUG(1,("gensec_update ok but not accepted\n"));
 			nt_status = NT_STATUS_INVALID_PARAMETER;
 		} 
 		
 		spnego_free_data(&spnego);
 
-		if (unwrapped_out.length) {
+		if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+			/* compose reply */
 			spnego_out.type = SPNEGO_NEG_TOKEN_TARG;
 			spnego_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT;
 			spnego_out.negTokenTarg.supportedMech = NULL;
@@ -530,24 +531,31 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 				DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_TARG\n"));
 				return NT_STATUS_INVALID_PARAMETER;
 			}
-		} else {
-			*out = null_data_blob;
-		}
-
-		if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
-			/* compose reply */
-			
 		
 			spnego_state->state_position = SPNEGO_CLIENT_TARG;
 		} else if (NT_STATUS_IS_OK(nt_status)) {
 			/* all done - server has accepted, and we agree */
+			
+			if (unwrapped_out.length) {
+				spnego_out.type = SPNEGO_NEG_TOKEN_TARG;
+				spnego_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT;
+				spnego_out.negTokenTarg.supportedMech = NULL;
+				spnego_out.negTokenTarg.responseToken = unwrapped_out;
+				spnego_out.negTokenTarg.mechListMIC = null_data_blob;
+				
+				if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) {
+					DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_TARG\n"));
+					return NT_STATUS_INVALID_PARAMETER;
+				}
+			} else {
+				*out = null_data_blob;
+			}
+
 			spnego_state->state_position = SPNEGO_DONE;
-			return NT_STATUS_OK;
 		} else {
 			DEBUG(1, ("SPNEGO(%s) login failed: %s\n", 
 				  spnego_state->sub_sec_security->ops->name, 
 				  nt_errstr(nt_status)));
-			return nt_status;
 		}
 		return nt_status;
 	}
-- 
cgit