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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 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 73 #define DOTTEDSUBDOMAIN(string) \ 74 ((string != NULL) && (strchr(string, '.') != NULL)) 75 #define SEARCHFILTERLEN 256 76 77 #define _NO_VALUE "" 78 79 #define TEST_AND_ADJUST(len, buffer, buflen, label) \ 80 /* Use '>=' to ensure there is at least one byte left for '\0' */ \ 81 if (len >= buflen || len < 0) { \ 82 nss_result = NSS_STR_PARSE_ERANGE; \ 83 goto label; \ 84 } \ 85 /* Adjust pointer and available buffer length */ \ 86 buffer += len; \ 87 buflen -= len; 88 89 /* 90 * We need to use UID_NOBODY and GID_NOBODY as strings. Therefore we use 91 * snprintf to convert [U|G]ID_NOBODY into a string. The target buffer 92 * size was chosen as 21 to allow the largest 64-bit number to be stored 93 * as string in it. Right now uid_t and gid_t are 32-bit so we don't 94 * really need 21 characters but it does allow for future expansion 95 * without having to modify this code. 96 */ 97 #define NOBODY_STR_LEN 21 98 99 100 /* 101 * Superset the nss_backend_t abstract data type. This ADT has 102 * been extended to include ldap associated data structures. 103 */ 104 105 typedef struct ldap_backend *ldap_backend_ptr; 106 typedef nss_status_t (*ldap_backend_op_t)(ldap_backend_ptr, void *); 107 typedef int (*fnf)(ldap_backend_ptr be, nss_XbyY_args_t *argp); 108 109 typedef enum { 110 NSS_LDAP_DB_NONE = 0, 111 NSS_LDAP_DB_PUBLICKEY = 1, 112 NSS_LDAP_DB_ETHERS = 2 113 } nss_ldap_db_type_t; 114 115 struct ldap_backend { 116 ldap_backend_op_t *ops; 117 nss_dbop_t nops; 118 char *tablename; 119 void *enumcookie; 120 char *filter; 121 int setcalled; 122 const char **attrs; 123 ns_ldap_result_t *result; 124 fnf ldapobj2str; 125 void *netgroup_cookie; 126 void *services_cookie; 127 char *toglue; 128 char *buffer; 129 int buflen; 130 nss_ldap_db_type_t db_type; 131 }; 132 133 extern nss_status_t _nss_ldap_destr(ldap_backend_ptr be, void *a); 134 extern nss_status_t _nss_ldap_endent(ldap_backend_ptr be, void *a); 135 extern nss_status_t _nss_ldap_setent(ldap_backend_ptr be, void *a); 136 extern nss_status_t _nss_ldap_getent(ldap_backend_ptr be, void *a); 137 nss_backend_t *_nss_ldap_constr(ldap_backend_op_t ops[], int nops, 138 char *tablename, const char **attrs, fnf ldapobj2str); 139 extern nss_status_t _nss_ldap_nocb_lookup(ldap_backend_ptr be, 140 nss_XbyY_args_t *argp, char *database, 141 char *searchfilter, char *domain, 142 int (*init_filter_cb)( 143 const ns_ldap_search_desc_t *desc, 144 char **realfilter, const void *userdata), 145 const void *userdata); 146 extern nss_status_t _nss_ldap_lookup(ldap_backend_ptr be, 147 nss_XbyY_args_t *argp, char *database, 148 char *searchfilter, char *domain, 149 int (*init_filter_cb)( 150 const ns_ldap_search_desc_t *desc, 151 char **realfilter, const void *userdata), 152 const void *userdata); 153 extern void _clean_ldap_backend(ldap_backend_ptr be); 154 155 extern ns_ldap_attr_t *getattr(ns_ldap_result_t *result, int i); 156 extern const char *_strip_quotes(char *ipaddress); 157 extern int __nss2herrno(nss_status_t nsstat); 158 extern int propersubdomain(char *domain, char *subdomain); 159 extern int chophostdomain(char *string, char *host, char *domain); 160 extern char *_get_domain_name(char *cdn); 161 extern int _merge_SSD_filter(const ns_ldap_search_desc_t *desc, 162 char **realfilter, const void *userdata); 163 extern int _ldap_filter_name(char *filter_name, const char *name, 164 int filter_name_size); 165 166 extern void _nss_services_cookie_free(void **cookieP); 167 extern nss_status_t switch_err(int rc, ns_ldap_error_t *error); 168 169 #ifdef DEBUG 170 extern int printresult(ns_ldap_result_t *result); 171 #endif /* DEBUG */ 172 173 #ifdef __cplusplus 174 } 175 #endif 176 177 #endif /* _LDAP_COMMON_H */ 178