1/* 2 * Unix SMB/CIFS implementation. 3 * PAM error mapping functions 4 * Copyright (C) Andrew Bartlett 2002 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21#include "includes.h" 22 23#ifdef WITH_PAM 24#include <security/pam_appl.h> 25 26#if defined(PAM_AUTHTOK_RECOVERY_ERR) && !defined(PAM_AUTHTOK_RECOVER_ERR) 27#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR 28#endif 29 30/* PAM -> NT_STATUS map */ 31static const struct { 32 int pam_code; 33 NTSTATUS ntstatus; 34} pam_to_nt_status_map[] = { 35 {PAM_OPEN_ERR, NT_STATUS_UNSUCCESSFUL}, 36 {PAM_SYMBOL_ERR, NT_STATUS_UNSUCCESSFUL}, 37 {PAM_SERVICE_ERR, NT_STATUS_UNSUCCESSFUL}, 38 {PAM_SYSTEM_ERR, NT_STATUS_UNSUCCESSFUL}, 39 {PAM_BUF_ERR, NT_STATUS_NO_MEMORY}, 40 {PAM_PERM_DENIED, NT_STATUS_ACCESS_DENIED}, 41 {PAM_AUTH_ERR, NT_STATUS_WRONG_PASSWORD}, 42 {PAM_CRED_INSUFFICIENT, NT_STATUS_INSUFFICIENT_LOGON_INFO}, /* FIXME: Is this correct? */ 43 {PAM_AUTHINFO_UNAVAIL, NT_STATUS_LOGON_FAILURE}, 44 {PAM_USER_UNKNOWN, NT_STATUS_NO_SUCH_USER}, 45 {PAM_MAXTRIES, NT_STATUS_REMOTE_SESSION_LIMIT}, /* FIXME: Is this correct? */ 46 {PAM_NEW_AUTHTOK_REQD, NT_STATUS_PASSWORD_MUST_CHANGE}, 47 {PAM_ACCT_EXPIRED, NT_STATUS_ACCOUNT_EXPIRED}, 48 {PAM_SESSION_ERR, NT_STATUS_INSUFFICIENT_RESOURCES}, 49 {PAM_CRED_UNAVAIL, NT_STATUS_NO_TOKEN}, /* FIXME: Is this correct? */ 50 {PAM_CRED_EXPIRED, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: Is this correct? */ 51 {PAM_CRED_ERR, NT_STATUS_UNSUCCESSFUL}, 52 {PAM_AUTHTOK_ERR, NT_STATUS_UNSUCCESSFUL}, 53#ifdef PAM_AUTHTOK_RECOVER_ERR 54 {PAM_AUTHTOK_RECOVER_ERR, NT_STATUS_UNSUCCESSFUL}, 55#endif 56 {PAM_AUTHTOK_EXPIRED, NT_STATUS_PASSWORD_EXPIRED}, 57 {PAM_SUCCESS, NT_STATUS_OK} 58}; 59 60/* NT_STATUS -> PAM map */ 61static const struct { 62 NTSTATUS ntstatus; 63 int pam_code; 64} nt_status_to_pam_map[] = { 65 {NT_STATUS_UNSUCCESSFUL, PAM_SYSTEM_ERR}, 66 {NT_STATUS_NO_SUCH_USER, PAM_USER_UNKNOWN}, 67 {NT_STATUS_WRONG_PASSWORD, PAM_AUTH_ERR}, 68 {NT_STATUS_LOGON_FAILURE, PAM_AUTH_ERR}, 69 {NT_STATUS_ACCOUNT_EXPIRED, PAM_ACCT_EXPIRED}, 70 {NT_STATUS_PASSWORD_EXPIRED, PAM_AUTHTOK_EXPIRED}, 71 {NT_STATUS_PASSWORD_MUST_CHANGE, PAM_NEW_AUTHTOK_REQD}, 72 {NT_STATUS_ACCOUNT_LOCKED_OUT, PAM_MAXTRIES}, 73 {NT_STATUS_NO_MEMORY, PAM_BUF_ERR}, 74 {NT_STATUS_PASSWORD_RESTRICTION, PAM_PERM_DENIED}, 75 {NT_STATUS_BACKUP_CONTROLLER, PAM_AUTHINFO_UNAVAIL}, 76 {NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND, PAM_AUTHINFO_UNAVAIL}, 77 {NT_STATUS_NO_LOGON_SERVERS, PAM_AUTHINFO_UNAVAIL}, 78 {NT_STATUS_INVALID_WORKSTATION, PAM_PERM_DENIED}, 79 {NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 80 {NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 81 {NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 82 {NT_STATUS_OK, PAM_SUCCESS} 83}; 84 85/***************************************************************************** 86convert a PAM error to a NT status32 code 87 *****************************************************************************/ 88NTSTATUS pam_to_nt_status(int pam_error) 89{ 90 int i; 91 if (pam_error == 0) return NT_STATUS_OK; 92 93 for (i=0; NT_STATUS_V(pam_to_nt_status_map[i].ntstatus); i++) { 94 if (pam_error == pam_to_nt_status_map[i].pam_code) 95 return pam_to_nt_status_map[i].ntstatus; 96 } 97 return NT_STATUS_UNSUCCESSFUL; 98} 99 100/***************************************************************************** 101convert an NT status32 code to a PAM error 102 *****************************************************************************/ 103int nt_status_to_pam(NTSTATUS nt_status) 104{ 105 int i; 106 if NT_STATUS_IS_OK(nt_status) return PAM_SUCCESS; 107 108 for (i=0; NT_STATUS_V(nt_status_to_pam_map[i].ntstatus); i++) { 109 if (NT_STATUS_EQUAL(nt_status,nt_status_to_pam_map[i].ntstatus)) 110 return nt_status_to_pam_map[i].pam_code; 111 } 112 return PAM_SYSTEM_ERR; 113} 114 115#else 116 117/***************************************************************************** 118convert a PAM error to a NT status32 code 119 *****************************************************************************/ 120NTSTATUS pam_to_nt_status(int pam_error) 121{ 122 if (pam_error == 0) return NT_STATUS_OK; 123 return NT_STATUS_UNSUCCESSFUL; 124} 125 126/***************************************************************************** 127convert an NT status32 code to a PAM error 128 *****************************************************************************/ 129int nt_status_to_pam(NTSTATUS nt_status) 130{ 131 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) return 0; 132 return 4; /* PAM_SYSTEM_ERR */ 133} 134 135#endif 136 137