/* * 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 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 WITH_PAM #include <security/pam_appl.h> #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_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_PERM_DENIED}, {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