r13316: Let the carnage begin....

[samba.git] / source3 / libads / krb5_errs.c

diff --git a/source3/libads/krb5_errs.c b/source3/libads/krb5_errs.c
new file mode 100644 (file)
index 0000000..cd227d4
--- /dev/null
+++ b/source3/libads/krb5_errs.c
@@ -0,0 +1,132 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Kerberos error mapping functions
+ *  Copyright (C) Guenther Deschner 2005
+ *  
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "includes.h"
+
+#ifdef HAVE_KRB5
+
+static const struct {
+       int krb5_code;
+       NTSTATUS ntstatus;
+} krb5_to_nt_status_map[] = {
+       {KRB5_CC_IO, NT_STATUS_UNEXPECTED_IO_ERROR},
+       {KRB5KDC_ERR_BADOPTION, NT_STATUS_INVALID_PARAMETER},
+       {KRB5KDC_ERR_CLIENT_REVOKED, NT_STATUS_ACCESS_DENIED},
+       {KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
+       {KRB5KDC_ERR_ETYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
+#if defined(KRB5KDC_ERR_KEY_EXPIRED) /* Heimdal */
+       {KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
+#elif defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
+       {KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
+#else 
+#error Neither KRB5KDC_ERR_KEY_EXPIRED nor KRB5KDC_ERR_KEY_EXP available
+#endif
+       {25, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: bug in heimdal 0.7 krb5_get_init_creds_password (Inappropriate ioctl for device (25)) */
+       {KRB5KDC_ERR_NULL_KEY, NT_STATUS_LOGON_FAILURE},
+       {KRB5KDC_ERR_POLICY, NT_STATUS_PASSWORD_RESTRICTION},
+       {KRB5KDC_ERR_PREAUTH_FAILED, NT_STATUS_LOGON_FAILURE},
+       {KRB5KDC_ERR_SERVICE_REVOKED, NT_STATUS_ACCESS_DENIED},
+       {KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
+       {KRB5KDC_ERR_SUMTYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
+       {KRB5KDC_ERR_TGT_REVOKED, NT_STATUS_ACCESS_DENIED},
+       {KRB5_KDC_UNREACH, NT_STATUS_NO_LOGON_SERVERS},
+       {KRB5KRB_AP_ERR_BAD_INTEGRITY, NT_STATUS_LOGON_FAILURE},
+       {KRB5KRB_AP_ERR_MODIFIED, NT_STATUS_LOGON_FAILURE},
+       {KRB5KRB_AP_ERR_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
+       {KRB5KRB_AP_ERR_TKT_EXPIRED, NT_STATUS_LOGON_FAILURE},
+       {KRB5KRB_ERR_GENERIC, NT_STATUS_UNSUCCESSFUL},
+       {KRB5KRB_ERR_RESPONSE_TOO_BIG, NT_STATUS_PROTOCOL_UNREACHABLE},
+       {0, NT_STATUS_OK}
+};
+
+static const struct {
+       NTSTATUS ntstatus;
+       int krb5_code;
+} nt_status_to_krb5_map[] = {
+       {NT_STATUS_LOGON_FAILURE, KRB5KDC_ERR_PREAUTH_FAILED},
+       {NT_STATUS_NO_LOGON_SERVERS, KRB5_KDC_UNREACH},
+       {NT_STATUS_OK, 0}
+};
+
+/*****************************************************************************
+convert a KRB5 error to a NT status32 code
+ *****************************************************************************/
+NTSTATUS krb5_to_nt_status(int kerberos_error)
+{
+       int i;
+       
+       if (kerberos_error == 0) {
+               return NT_STATUS_OK;
+       }
+       
+       for (i=0; NT_STATUS_V(krb5_to_nt_status_map[i].ntstatus); i++) {
+               if (kerberos_error == krb5_to_nt_status_map[i].krb5_code)
+                       return krb5_to_nt_status_map[i].ntstatus;
+       }
+
+       return NT_STATUS_UNSUCCESSFUL;
+}
+
+/*****************************************************************************
+convert an NT status32 code to a KRB5 error
+ *****************************************************************************/
+int nt_status_to_krb5(NTSTATUS nt_status)
+{
+       int i;
+       
+       if NT_STATUS_IS_OK(nt_status) {
+               return 0;
+       }
+       
+       for (i=0; NT_STATUS_V(nt_status_to_krb5_map[i].ntstatus); i++) {
+               if (NT_STATUS_EQUAL(nt_status,nt_status_to_krb5_map[i].ntstatus))
+                       return nt_status_to_krb5_map[i].krb5_code;
+       }
+
+       return KRB5KRB_ERR_GENERIC;
+}
+
+#else 
+
+/*****************************************************************************
+convert a KRB5 error to a NT status32 code
+ *****************************************************************************/
+NTSTATUS krb5_to_nt_status(int kerberos_error)
+{
+       if (kerberos_error == 0) {
+               return NT_STATUS_OK;
+       }
+       
+       return NT_STATUS_UNSUCCESSFUL;
+}
+
+/*****************************************************************************
+convert an NT status32 code to a KRB5 error
+ *****************************************************************************/
+int nt_status_to_krb5(NTSTATUS nt_status)
+{
+       if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) {
+               return 0;
+       }
+       return -1; /* FIXME: what to return here ? */
+}
+
+#endif
+