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 22#ifdef WITH_PAM 23#if defined(HAVE_SECURITY_PAM_APPL_H) 24#include <security/pam_appl.h> 25#elif defined(HAVE_PAM_PAM_APPL_H) 26#include <pam/pam_appl.h> 27#endif 28 29#if defined(PAM_AUTHTOK_RECOVERY_ERR) && !defined(PAM_AUTHTOK_RECOVER_ERR) 30#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR 31#endif 32 33/* PAM -> NT_STATUS map */ 34static const struct { 35 int pam_code; 36 NTSTATUS ntstatus; 37} pam_to_nt_status_map[] = { 38 {PAM_OPEN_ERR, NT_STATUS_UNSUCCESSFUL}, 39 {PAM_SYMBOL_ERR, NT_STATUS_UNSUCCESSFUL}, 40 {PAM_SERVICE_ERR, NT_STATUS_UNSUCCESSFUL}, 41 {PAM_SYSTEM_ERR, NT_STATUS_UNSUCCESSFUL}, 42 {PAM_BUF_ERR, NT_STATUS_NO_MEMORY}, 43 {PAM_PERM_DENIED, NT_STATUS_ACCESS_DENIED}, 44 {PAM_AUTH_ERR, NT_STATUS_WRONG_PASSWORD}, 45 {PAM_CRED_INSUFFICIENT, NT_STATUS_INSUFFICIENT_LOGON_INFO}, /* FIXME: Is this correct? */ 46 {PAM_AUTHINFO_UNAVAIL, NT_STATUS_LOGON_FAILURE}, 47 {PAM_USER_UNKNOWN, NT_STATUS_NO_SUCH_USER}, 48 {PAM_MAXTRIES, NT_STATUS_REMOTE_SESSION_LIMIT}, /* FIXME: Is this correct? */ 49 {PAM_NEW_AUTHTOK_REQD, NT_STATUS_PASSWORD_MUST_CHANGE}, 50 {PAM_ACCT_EXPIRED, NT_STATUS_ACCOUNT_EXPIRED}, 51 {PAM_SESSION_ERR, NT_STATUS_INSUFFICIENT_RESOURCES}, 52 {PAM_CRED_UNAVAIL, NT_STATUS_NO_TOKEN}, /* FIXME: Is this correct? */ 53 {PAM_CRED_EXPIRED, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: Is this correct? */ 54 {PAM_CRED_ERR, NT_STATUS_UNSUCCESSFUL}, 55 {PAM_AUTHTOK_ERR, NT_STATUS_UNSUCCESSFUL}, 56#ifdef PAM_AUTHTOK_RECOVER_ERR 57 {PAM_AUTHTOK_RECOVER_ERR, NT_STATUS_UNSUCCESSFUL}, 58#endif 59 {PAM_AUTHTOK_EXPIRED, NT_STATUS_PASSWORD_EXPIRED}, 60 {PAM_SUCCESS, NT_STATUS_OK} 61}; 62 63/* NT_STATUS -> PAM map */ 64static const struct { 65 NTSTATUS ntstatus; 66 int pam_code; 67} nt_status_to_pam_map[] = { 68 {NT_STATUS_UNSUCCESSFUL, PAM_SYSTEM_ERR}, 69 {NT_STATUS_NO_SUCH_USER, PAM_USER_UNKNOWN}, 70 {NT_STATUS_WRONG_PASSWORD, PAM_AUTH_ERR}, 71 {NT_STATUS_LOGON_FAILURE, PAM_AUTH_ERR}, 72 {NT_STATUS_ACCOUNT_EXPIRED, PAM_ACCT_EXPIRED}, 73 {NT_STATUS_PASSWORD_EXPIRED, PAM_AUTHTOK_EXPIRED}, 74 {NT_STATUS_PASSWORD_MUST_CHANGE, PAM_NEW_AUTHTOK_REQD}, 75 {NT_STATUS_ACCOUNT_LOCKED_OUT, PAM_MAXTRIES}, 76 {NT_STATUS_NO_MEMORY, PAM_BUF_ERR}, 77 {NT_STATUS_PASSWORD_RESTRICTION, PAM_PERM_DENIED}, 78 {NT_STATUS_BACKUP_CONTROLLER, PAM_AUTHINFO_UNAVAIL}, 79 {NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND, PAM_AUTHINFO_UNAVAIL}, 80 {NT_STATUS_NO_LOGON_SERVERS, PAM_AUTHINFO_UNAVAIL}, 81 {NT_STATUS_INVALID_WORKSTATION, PAM_PERM_DENIED}, 82 {NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 83 {NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 84 {NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT, PAM_AUTHINFO_UNAVAIL}, 85 {NT_STATUS_OK, PAM_SUCCESS} 86}; 87 88/***************************************************************************** 89convert a PAM error to a NT status32 code 90 *****************************************************************************/ 91NTSTATUS pam_to_nt_status(int pam_error) 92{ 93 int i; 94 if (pam_error == 0) return NT_STATUS_OK; 95 96 for (i=0; NT_STATUS_V(pam_to_nt_status_map[i].ntstatus); i++) { 97 if (pam_error == pam_to_nt_status_map[i].pam_code) 98 return pam_to_nt_status_map[i].ntstatus; 99 } 100 return NT_STATUS_UNSUCCESSFUL; 101} 102 103/***************************************************************************** 104convert an NT status32 code to a PAM error 105 *****************************************************************************/ 106int nt_status_to_pam(NTSTATUS nt_status) 107{ 108 int i; 109 if NT_STATUS_IS_OK(nt_status) return PAM_SUCCESS; 110 111 for (i=0; NT_STATUS_V(nt_status_to_pam_map[i].ntstatus); i++) { 112 if (NT_STATUS_EQUAL(nt_status,nt_status_to_pam_map[i].ntstatus)) 113 return nt_status_to_pam_map[i].pam_code; 114 } 115 return PAM_SYSTEM_ERR; 116} 117 118#else 119 120/***************************************************************************** 121convert a PAM error to a NT status32 code 122 *****************************************************************************/ 123NTSTATUS pam_to_nt_status(int pam_error) 124{ 125 if (pam_error == 0) return NT_STATUS_OK; 126 return NT_STATUS_UNSUCCESSFUL; 127} 128 129/***************************************************************************** 130convert an NT status32 code to a PAM error 131 *****************************************************************************/ 132int nt_status_to_pam(NTSTATUS nt_status) 133{ 134 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) return 0; 135 return 4; /* PAM_SYSTEM_ERR */ 136} 137 138#endif 139 140