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 */
24
25 #ifndef _LDAP_COMMON_H
26 #define _LDAP_COMMON_H
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 #include <ctype.h>
33 #include <nss_dbdefs.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <strings.h>
37 #include <signal.h>
38 #include <lber.h>
39 #include <ldap.h>
40 #include <pwd.h>
41 #include "ns_sldap.h"
42
43 #define _ALIASES "aliases"
44 #define _AUTOMOUNT "automount"
45 #define _AUTHATTR "auth_attr"
46 #define _AUUSER "audit_user"
47 #define _BOOTPARAMS "bootparams"
48 #define _DEFAULT "default"
49 #define _ETHERS "ethers"
50 #define _EXECATTR "exec_attr"
51 #define _GROUP "group"
52 #define _PROJECT "project"
53 #define _HOSTS "hosts"
54 #define _HOSTS6 "hosts"
55 #define _NETGROUP "netgroup"
56 #define _NETMASKS "netmasks"
57 #define _NETWORKS "networks"
58 #define _PASSWD "passwd"
59 #define _PRINTERS "printers"
60 #define _PROFATTR "prof_attr"
61 #define _PROTOCOLS "protocols"
62 #define _PUBLICKEY "publickey"
63 #define _RPC "rpc"
64 #define _SERVICES "services"
65 #define _SHADOW "shadow"
66 #define _USERATTR "user_attr"
67 #define _TNRHDB "tnrhdb"
68 #define _TNRHTP "tnrhtp"
69
70 #define NSS_STR_PARSE_NO_ADDR (NSS_STR_PARSE_ERANGE + 100)
71 #define NSS_STR_PARSE_NO_RESULT (NSS_STR_PARSE_ERANGE + 101)
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 char *sortattr;
122 int setcalled;
123 const char **attrs;
124 ns_ldap_result_t *result;
125 fnf ldapobj2str;
126 void *netgroup_cookie;
127 void *services_cookie;
128 char *toglue;
129 char *buffer;
130 int buflen;
131 nss_ldap_db_type_t db_type;
132 };
133
134 extern nss_status_t _nss_ldap_destr(ldap_backend_ptr be, void *a);
135 extern nss_status_t _nss_ldap_endent(ldap_backend_ptr be, void *a);
136 extern nss_status_t _nss_ldap_setent(ldap_backend_ptr be, void *a);
137 extern nss_status_t _nss_ldap_getent(ldap_backend_ptr be, void *a);
138 nss_backend_t *_nss_ldap_constr(ldap_backend_op_t ops[], int nops,
139 char *tablename, const char **attrs, fnf ldapobj2str);
140 extern nss_status_t _nss_ldap_nocb_lookup(ldap_backend_ptr be,
141 nss_XbyY_args_t *argp, char *database,
142 char *searchfilter, char *domain,
143 int (*init_filter_cb)(
144 const ns_ldap_search_desc_t *desc,
145 char **realfilter, const void *userdata),
146 const void *userdata);
147 extern nss_status_t _nss_ldap_lookup(ldap_backend_ptr be,
148 nss_XbyY_args_t *argp, char *database,
149 char *searchfilter, char *domain,
150 int (*init_filter_cb)(
151 const ns_ldap_search_desc_t *desc,
152 char **realfilter, const void *userdata),
153 const void *userdata);
154 extern void _clean_ldap_backend(ldap_backend_ptr be);
155
156 extern ns_ldap_attr_t *getattr(ns_ldap_result_t *result, int i);
157 extern const char *_strip_quotes(char *ipaddress);
158 extern int __nss2herrno(nss_status_t nsstat);
159 extern int propersubdomain(char *domain, char *subdomain);
160 extern int chophostdomain(char *string, char *host, char *domain);
161 extern char *_get_domain_name(char *cdn);
162 extern int _merge_SSD_filter(const ns_ldap_search_desc_t *desc,
163 char **realfilter, const void *userdata);
164 extern int _ldap_filter_name(char *filter_name, const char *name,
165 int filter_name_size);
166
167 extern void _nss_services_cookie_free(void **cookieP);
168 extern nss_status_t switch_err(int rc, ns_ldap_error_t *error);
169
170 #ifdef DEBUG
171 extern int printresult(ns_ldap_result_t *result);
172 #endif /* DEBUG */
173
174 #ifdef __cplusplus
175 }
176 #endif
177
178 #endif /* _LDAP_COMMON_H */