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/*
* Unix SMB/CIFS implementation.
* PAM error mapping functions
* Copyright (C) Andrew Bartlett 2002
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "../libcli/auth/pam_errors.h"
#ifdef WITH_PAM
#if defined(HAVE_SECURITY_PAM_APPL_H)
#include <security/pam_appl.h>
#elif defined(HAVE_PAM_PAM_APPL_H)
#include <pam/pam_appl.h>
#endif
#if defined(PAM_AUTHTOK_RECOVERY_ERR) && !defined(PAM_AUTHTOK_RECOVER_ERR)
#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
#endif
/* PAM -> NT_STATUS map */
static const struct {
int pam_code;
NTSTATUS ntstatus;
} pam_to_nt_status_map[] = {
{PAM_OPEN_ERR, NT_STATUS_UNSUCCESSFUL},
{PAM_SYMBOL_ERR, NT_STATUS_UNSUCCESSFUL},
{PAM_SERVICE_ERR, NT_STATUS_UNSUCCESSFUL},
{PAM_SYSTEM_ERR, NT_STATUS_UNSUCCESSFUL},
{PAM_BUF_ERR, NT_STATUS_NO_MEMORY},
{PAM_PERM_DENIED, NT_STATUS_ACCESS_DENIED},
{PAM_AUTH_ERR, NT_STATUS_WRONG_PASSWORD},
{PAM_CRED_INSUFFICIENT, NT_STATUS_INSUFFICIENT_LOGON_INFO}, /* FIXME: Is this correct? */
{PAM_AUTHINFO_UNAVAIL, NT_STATUS_LOGON_FAILURE},
{PAM_USER_UNKNOWN, NT_STATUS_NO_SUCH_USER},
{PAM_MAXTRIES, NT_STATUS_REMOTE_SESSION_LIMIT}, /* FIXME: Is this correct? */
{PAM_NEW_AUTHTOK_REQD, NT_STATUS_PASSWORD_MUST_CHANGE},
{PAM_ACCT_EXPIRED, NT_STATUS_ACCOUNT_EXPIRED},
{PAM_SESSION_ERR, NT_STATUS_INSUFFICIENT_RESOURCES},
{PAM_CRED_UNAVAIL, NT_STATUS_NO_TOKEN}, /* FIXME: Is this correct? */
{PAM_CRED_EXPIRED, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: Is this correct? */
{PAM_CRED_ERR, NT_STATUS_UNSUCCESSFUL},
{PAM_AUTHTOK_ERR, NT_STATUS_UNSUCCESSFUL},
#ifdef PAM_AUTHTOK_RECOVER_ERR
{PAM_AUTHTOK_RECOVER_ERR, NT_STATUS_UNSUCCESSFUL},
#endif
{PAM_AUTHTOK_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
{PAM_SUCCESS, NT_STATUS_OK}
};
/* NT_STATUS -> PAM map */
static const struct {
NTSTATUS ntstatus;
int pam_code;
} nt_status_to_pam_map[] = {
{NT_STATUS_UNSUCCESSFUL, PAM_SYSTEM_ERR},
{NT_STATUS_NO_SUCH_USER, PAM_USER_UNKNOWN},
{NT_STATUS_WRONG_PASSWORD, PAM_AUTH_ERR},
{NT_STATUS_LOGON_FAILURE, PAM_AUTH_ERR},
{NT_STATUS_ACCOUNT_EXPIRED, PAM_ACCT_EXPIRED},
{NT_STATUS_ACCOUNT_DISABLED, PAM_ACCT_EXPIRED},
{NT_STATUS_PASSWORD_EXPIRED, PAM_AUTHTOK_EXPIRED},
{NT_STATUS_PASSWORD_MUST_CHANGE, PAM_NEW_AUTHTOK_REQD},
{NT_STATUS_ACCOUNT_LOCKED_OUT, PAM_MAXTRIES},
{NT_STATUS_NO_MEMORY, PAM_BUF_ERR},
{NT_STATUS_PASSWORD_RESTRICTION, PAM_AUTHTOK_ERR},
{NT_STATUS_PWD_HISTORY_CONFLICT, PAM_AUTHTOK_ERR},
{NT_STATUS_PWD_TOO_RECENT, PAM_AUTHTOK_ERR},
{NT_STATUS_PWD_TOO_SHORT, PAM_AUTHTOK_ERR},
{NT_STATUS_BACKUP_CONTROLLER, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_NO_LOGON_SERVERS, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_INVALID_WORKSTATION, PAM_PERM_DENIED},
{NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL},
{NT_STATUS_OK, PAM_SUCCESS}
};
/*****************************************************************************
convert a PAM error to a NT status32 code
*****************************************************************************/
NTSTATUS pam_to_nt_status(int pam_error)
{
int i;
if (pam_error == 0) return NT_STATUS_OK;
for (i=0; NT_STATUS_V(pam_to_nt_status_map[i].ntstatus); i++) {
if (pam_error == pam_to_nt_status_map[i].pam_code)
return pam_to_nt_status_map[i].ntstatus;
}
return NT_STATUS_UNSUCCESSFUL;
}
/*****************************************************************************
convert an NT status32 code to a PAM error
*****************************************************************************/
int nt_status_to_pam(NTSTATUS nt_status)
{
int i;
if NT_STATUS_IS_OK(nt_status) return PAM_SUCCESS;
for (i=0; NT_STATUS_V(nt_status_to_pam_map[i].ntstatus); i++) {
if (NT_STATUS_EQUAL(nt_status,nt_status_to_pam_map[i].ntstatus))
return nt_status_to_pam_map[i].pam_code;
}
return PAM_SYSTEM_ERR;
}
#else
/*****************************************************************************
convert a PAM error to a NT status32 code
*****************************************************************************/
NTSTATUS pam_to_nt_status(int pam_error)
{
if (pam_error == 0) return NT_STATUS_OK;
return NT_STATUS_UNSUCCESSFUL;
}
/*****************************************************************************
convert an NT status32 code to a PAM error
*****************************************************************************/
int nt_status_to_pam(NTSTATUS nt_status)
{
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) return 0;
return 4; /* PAM_SYSTEM_ERR */
}
#endif
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