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 3 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, see <http://www.gnu.org/licenses/>. 18 */ 19 20#include "includes.h" 21#include "auth/ntlm/pam_errors.h" 22 23#ifdef WITH_HAVE_SECURITY_PAM_APPL_H 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_UNSUCCESSFUL}, 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_OK, PAM_SUCCESS} 73}; 74 75/***************************************************************************** 76convert a PAM error to a NT status32 code 77 *****************************************************************************/ 78NTSTATUS pam_to_nt_status(int pam_error) 79{ 80 int i; 81 if (pam_error == 0) return NT_STATUS_OK; 82 83 for (i=0; NT_STATUS_V(pam_to_nt_status_map[i].ntstatus); i++) { 84 if (pam_error == pam_to_nt_status_map[i].pam_code) 85 return pam_to_nt_status_map[i].ntstatus; 86 } 87 return NT_STATUS_UNSUCCESSFUL; 88} 89 90/***************************************************************************** 91convert an NT status32 code to a PAM error 92 *****************************************************************************/ 93int nt_status_to_pam(NTSTATUS nt_status) 94{ 95 int i; 96 if NT_STATUS_IS_OK(nt_status) return PAM_SUCCESS; 97 98 for (i=0; NT_STATUS_V(nt_status_to_pam_map[i].ntstatus); i++) { 99 if (NT_STATUS_EQUAL(nt_status,nt_status_to_pam_map[i].ntstatus)) 100 return nt_status_to_pam_map[i].pam_code; 101 } 102 return PAM_SYSTEM_ERR; 103} 104 105#else 106 107/***************************************************************************** 108convert a PAM error to a NT status32 code 109 *****************************************************************************/ 110NTSTATUS pam_to_nt_status(int pam_error) 111{ 112 if (pam_error == 0) return NT_STATUS_OK; 113 return NT_STATUS_UNSUCCESSFUL; 114} 115 116/***************************************************************************** 117convert an NT status32 code to a PAM error 118 *****************************************************************************/ 119int nt_status_to_pam(NTSTATUS nt_status) 120{ 121 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) return 0; 122 return 4; /* PAM_SYSTEM_ERR */ 123} 124 125#endif 126 127