1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #ifndef _LDAP_COMMON_H 27 #define _LDAP_COMMON_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <ctype.h> 34 #include <nss_dbdefs.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <strings.h> 38 #include <signal.h> 39 #include <lber.h> 40 #include <ldap.h> 41 #include <pwd.h> 42 #include "ns_sldap.h" 43 44 #define _ALIASES "aliases" 45 #define _AUTOMOUNT "automount" 46 #define _AUTHATTR "auth_attr" 47 #define _AUUSER "audit_user" 48 #define _BOOTPARAMS "bootparams" 49 #define _DEFAULT "default" 50 #define _ETHERS "ethers" 51 #define _EXECATTR "exec_attr" 52 #define _GROUP "group" 53 #define _PROJECT "project" 54 #define _HOSTS "hosts" 55 #define _HOSTS6 "hosts" 56 #define _NETGROUP "netgroup" 57 #define _NETMASKS "netmasks" 58 #define _NETWORKS "networks" 59 #define _PASSWD "passwd" 60 #define _PRINTERS "printers" 61 #define _PROFATTR "prof_attr" 62 #define _PROTOCOLS "protocols" 63 #define _PUBLICKEY "publickey" 64 #define _RPC "rpc" 65 #define _SERVICES "services" 66 #define _SHADOW "shadow" 67 #define _USERATTR "user_attr" 68 #define _TNRHDB "tnrhdb" 69 #define _TNRHTP "tnrhtp" 70 71 #define NSS_STR_PARSE_NO_ADDR (NSS_STR_PARSE_ERANGE + 100) 72 #define NSS_STR_PARSE_NO_RESULT (NSS_STR_PARSE_ERANGE + 101) 73 74 #define DOTTEDSUBDOMAIN(string) \ 75 ((string != NULL) && (strchr(string, '.') != NULL)) 76 #define SEARCHFILTERLEN 256 77 78 #define _NO_VALUE "" 79 80 #define TEST_AND_ADJUST(len, buffer, buflen, label) \ 81 /* Use '>=' to ensure there is at least one byte left for '\0' */ \ 82 if (len >= buflen || len < 0) { \ 83 nss_result = NSS_STR_PARSE_ERANGE; \ 84 goto label; \ 85 } \ 86 /* Adjust pointer and available buffer length */ \ 87 buffer += len; \ 88 buflen -= len; 89 90 /* 91 * We need to use UID_NOBODY and GID_NOBODY as strings. Therefore we use 92 * snprintf to convert [U|G]ID_NOBODY into a string. The target buffer 93 * size was chosen as 21 to allow the largest 64-bit number to be stored 94 * as string in it. Right now uid_t and gid_t are 32-bit so we don't 95 * really need 21 characters but it does allow for future expansion 96 * without having to modify this code. 97 */ 98 #define NOBODY_STR_LEN 21 99 100 101 /* 102 * Superset the nss_backend_t abstract data type. This ADT has 103 * been extended to include ldap associated data structures. 104 */ 105 106 typedef struct ldap_backend *ldap_backend_ptr; 107 typedef nss_status_t (*ldap_backend_op_t)(ldap_backend_ptr, void *); 108 typedef int (*fnf)(ldap_backend_ptr be, nss_XbyY_args_t *argp); 109 110 typedef enum { 111 NSS_LDAP_DB_NONE = 0, 112 NSS_LDAP_DB_PUBLICKEY = 1, 113 NSS_LDAP_DB_ETHERS = 2 114 } nss_ldap_db_type_t; 115 116 struct ldap_backend { 117 ldap_backend_op_t *ops; 118 nss_dbop_t nops; 119 char *tablename; 120 void *enumcookie; 121 char *filter; 122 char *sortattr; 123 int setcalled; 124 const char **attrs; 125 ns_ldap_result_t *result; 126 fnf ldapobj2str; 127 void *netgroup_cookie; 128 void *services_cookie; 129 char *toglue; 130 char *buffer; 131 int buflen; 132 nss_ldap_db_type_t db_type; 133 }; 134 135 extern nss_status_t _nss_ldap_destr(ldap_backend_ptr be, void *a); 136 extern nss_status_t _nss_ldap_endent(ldap_backend_ptr be, void *a); 137 extern nss_status_t _nss_ldap_setent(ldap_backend_ptr be, void *a); 138 extern nss_status_t _nss_ldap_getent(ldap_backend_ptr be, void *a); 139 nss_backend_t *_nss_ldap_constr(ldap_backend_op_t ops[], int nops, 140 char *tablename, const char **attrs, fnf ldapobj2str); 141 extern nss_status_t _nss_ldap_nocb_lookup(ldap_backend_ptr be, 142 nss_XbyY_args_t *argp, char *database, 143 char *searchfilter, const char * const *attrs, 144 int (*init_filter_cb)( 145 const ns_ldap_search_desc_t *desc, 146 char **realfilter, const void *userdata), 147 const void *userdata); 148 extern nss_status_t _nss_ldap_lookup(ldap_backend_ptr be, 149 nss_XbyY_args_t *argp, char *database, 150 char *searchfilter, char *domain, 151 int (*init_filter_cb)( 152 const ns_ldap_search_desc_t *desc, 153 char **realfilter, const void *userdata), 154 const void *userdata); 155 extern void _clean_ldap_backend(ldap_backend_ptr be); 156 157 extern ns_ldap_attr_t *getattr(ns_ldap_result_t *result, int i); 158 extern const char *_strip_quotes(char *ipaddress); 159 extern int __nss2herrno(nss_status_t nsstat); 160 extern int propersubdomain(char *domain, char *subdomain); 161 extern int chophostdomain(char *string, char *host, char *domain); 162 extern char *_get_domain_name(char *cdn); 163 extern int _merge_SSD_filter(const ns_ldap_search_desc_t *desc, 164 char **realfilter, const void *userdata); 165 extern int _ldap_filter_name(char *filter_name, const char *name, 166 int filter_name_size); 167 168 extern void _nss_services_cookie_free(void **cookieP); 169 extern nss_status_t switch_err(int rc, ns_ldap_error_t *error); 170 171 #ifdef DEBUG 172 extern int printresult(ns_ldap_result_t *result); 173 #endif /* DEBUG */ 174 175 #ifdef __cplusplus 176 } 177 #endif 178 179 #endif /* _LDAP_COMMON_H */ 180