source: trunk/server/source3/include/ads.h@ 571

Last change on this file since 571 was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 8.2 KB
Line 
1#ifndef _INCLUDE_ADS_H_
2#define _INCLUDE_ADS_H_
3/*
4 header for ads (active directory) library routines
5
6 basically this is a wrapper around ldap
7*/
8
9#include "../libds/common/flags.h"
10
11/*
12 * This should be under the HAVE_KRB5 flag but since they're used
13 * in lp_kerberos_method(), they ned to be always available
14 */
15#define KERBEROS_VERIFY_SECRETS 0
16#define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
17#define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
18#define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
19
20/*
21 * If you add any entries to the above, please modify the below expressions
22 * so they remain accurate.
23 */
24#define USE_KERBEROS_KEYTAB (KERBEROS_VERIFY_SECRETS != lp_kerberos_method())
25#define USE_SYSTEM_KEYTAB \
26 ((KERBEROS_VERIFY_SECRETS_AND_KEYTAB == lp_kerberos_method()) || \
27 (KERBEROS_VERIFY_SYSTEM_KEYTAB == lp_kerberos_method()))
28
29#define TOK_ID_KRB_AP_REQ ((const uint8_t *)"\x01\x00")
30#define TOK_ID_KRB_AP_REP ((const uint8_t *)"\x02\x00")
31#define TOK_ID_KRB_ERROR ((const uint8_t *)"\x03\x00")
32#define TOK_ID_GSS_GETMIC ((const uint8_t *)"\x01\x01")
33#define TOK_ID_GSS_WRAP ((const uint8_t *)"\x02\x01")
34
35enum wb_posix_mapping {
36 WB_POSIX_MAP_UNKNOWN = -1,
37 WB_POSIX_MAP_TEMPLATE = 0,
38 WB_POSIX_MAP_SFU = 1,
39 WB_POSIX_MAP_SFU20 = 2,
40 WB_POSIX_MAP_RFC2307 = 3,
41 WB_POSIX_MAP_UNIXINFO = 4
42};
43
44/* there are 5 possible types of errors the ads subsystem can produce */
45enum ads_error_type {ENUM_ADS_ERROR_KRB5, ENUM_ADS_ERROR_GSS,
46 ENUM_ADS_ERROR_LDAP, ENUM_ADS_ERROR_SYSTEM, ENUM_ADS_ERROR_NT};
47
48typedef struct {
49 enum ads_error_type error_type;
50 union err_state{
51 int rc;
52 NTSTATUS nt_status;
53 } err;
54 /* For error_type = ENUM_ADS_ERROR_GSS minor_status describe GSS API error */
55 /* Where rc represents major_status of GSS API error */
56 int minor_status;
57} ADS_STATUS;
58
59struct ads_struct;
60
61struct ads_saslwrap_ops {
62 const char *name;
63 ADS_STATUS (*wrap)(struct ads_struct *, uint8 *buf, uint32 len);
64 ADS_STATUS (*unwrap)(struct ads_struct *);
65 void (*disconnect)(struct ads_struct *);
66};
67
68enum ads_saslwrap_type {
69 ADS_SASLWRAP_TYPE_PLAIN = 1,
70 ADS_SASLWRAP_TYPE_SIGN = 2,
71 ADS_SASLWRAP_TYPE_SEAL = 4
72};
73
74typedef struct ads_struct {
75 int is_mine; /* do I own this structure's memory? */
76
77 /* info needed to find the server */
78 struct {
79 char *realm;
80 char *workgroup;
81 char *ldap_server;
82 int foreign; /* set to 1 if connecting to a foreign
83 * realm */
84 bool gc; /* Is this a global catalog server? */
85 } server;
86
87 /* info needed to authenticate */
88 struct {
89 char *realm;
90 char *password;
91 char *user_name;
92 char *kdc_server;
93 unsigned flags;
94 int time_offset;
95 time_t tgt_expire;
96 time_t tgs_expire;
97 time_t renewable;
98 } auth;
99
100 /* info derived from the servers config */
101 struct {
102 uint32 flags; /* cldap flags identifying the services. */
103 char *realm;
104 char *bind_path;
105 char *ldap_server_name;
106 char *server_site_name;
107 char *client_site_name;
108 time_t current_time;
109 char *schema_path;
110 char *config_path;
111 } config;
112
113 /* info about the current LDAP connection */
114#ifdef HAVE_LDAP
115 struct {
116 LDAP *ld;
117 struct sockaddr_storage ss; /* the ip of the active connection, if any */
118 time_t last_attempt; /* last attempt to reconnect */
119 int port;
120
121 enum ads_saslwrap_type wrap_type;
122
123#ifdef HAVE_LDAP_SASL_WRAPPING
124 Sockbuf_IO_Desc *sbiod; /* lowlevel state for LDAP wrapping */
125#endif /* HAVE_LDAP_SASL_WRAPPING */
126 TALLOC_CTX *mem_ctx;
127 const struct ads_saslwrap_ops *wrap_ops;
128 void *wrap_private_data;
129 struct {
130 uint32 ofs;
131 uint32 needed;
132 uint32 left;
133#define ADS_SASL_WRAPPING_IN_MAX_WRAPPED 0x0FFFFFFF
134 uint32 max_wrapped;
135 uint32 min_wrapped;
136 uint32 size;
137 uint8 *buf;
138 } in;
139 struct {
140 uint32 ofs;
141 uint32 left;
142#define ADS_SASL_WRAPPING_OUT_MAX_WRAPPED 0x00A00000
143 uint32 max_unwrapped;
144 uint32 sig_size;
145 uint32 size;
146 uint8 *buf;
147 } out;
148 } ldap;
149#endif /* HAVE_LDAP */
150} ADS_STRUCT;
151
152/* used to remember the names of the posix attributes in AD */
153/* see the rfc2307 & sfu nss backends */
154
155struct posix_schema {
156 char *posix_homedir_attr;
157 char *posix_shell_attr;
158 char *posix_uidnumber_attr;
159 char *posix_gidnumber_attr;
160 char *posix_gecos_attr;
161 char *posix_uid_attr;
162};
163
164
165
166#ifdef HAVE_ADS
167typedef LDAPMod **ADS_MODLIST;
168#else
169typedef void **ADS_MODLIST;
170#endif
171
172/* macros to simplify error returning */
173#define ADS_ERROR(rc) ADS_ERROR_LDAP(rc)
174#define ADS_ERROR_LDAP(rc) ads_build_error(ENUM_ADS_ERROR_LDAP, rc, 0)
175#define ADS_ERROR_SYSTEM(rc) ads_build_error(ENUM_ADS_ERROR_SYSTEM, rc?rc:EINVAL, 0)
176#define ADS_ERROR_KRB5(rc) ads_build_error(ENUM_ADS_ERROR_KRB5, rc, 0)
177#define ADS_ERROR_GSS(rc, minor) ads_build_error(ENUM_ADS_ERROR_GSS, rc, minor)
178#define ADS_ERROR_NT(rc) ads_build_nt_error(ENUM_ADS_ERROR_NT,rc)
179
180#define ADS_ERR_OK(status) ((status.error_type == ENUM_ADS_ERROR_NT) ? NT_STATUS_IS_OK(status.err.nt_status):(status.err.rc == 0))
181#define ADS_SUCCESS ADS_ERROR(0)
182
183#define ADS_ERROR_HAVE_NO_MEMORY(x) do { \
184 if (!(x)) {\
185 return ADS_ERROR(LDAP_NO_MEMORY);\
186 }\
187} while (0)
188
189
190/* time between reconnect attempts */
191#define ADS_RECONNECT_TIME 5
192
193/* ldap control oids */
194#define ADS_PAGE_CTL_OID "1.2.840.113556.1.4.319"
195#define ADS_NO_REFERRALS_OID "1.2.840.113556.1.4.1339"
196#define ADS_SERVER_SORT_OID "1.2.840.113556.1.4.473"
197#define ADS_PERMIT_MODIFY_OID "1.2.840.113556.1.4.1413"
198#define ADS_ASQ_OID "1.2.840.113556.1.4.1504"
199#define ADS_EXTENDED_DN_OID "1.2.840.113556.1.4.529"
200#define ADS_SD_FLAGS_OID "1.2.840.113556.1.4.801"
201
202/* ldap attribute oids (Services for Unix 3.0, 3.5) */
203#define ADS_ATTR_SFU_UIDNUMBER_OID "1.2.840.113556.1.6.18.1.310"
204#define ADS_ATTR_SFU_GIDNUMBER_OID "1.2.840.113556.1.6.18.1.311"
205#define ADS_ATTR_SFU_HOMEDIR_OID "1.2.840.113556.1.6.18.1.344"
206#define ADS_ATTR_SFU_SHELL_OID "1.2.840.113556.1.6.18.1.312"
207#define ADS_ATTR_SFU_GECOS_OID "1.2.840.113556.1.6.18.1.337"
208#define ADS_ATTR_SFU_UID_OID "1.2.840.113556.1.6.18.1.309"
209
210/* ldap attribute oids (Services for Unix 2.0) */
211#define ADS_ATTR_SFU20_UIDNUMBER_OID "1.2.840.113556.1.4.7000.187.70"
212#define ADS_ATTR_SFU20_GIDNUMBER_OID "1.2.840.113556.1.4.7000.187.71"
213#define ADS_ATTR_SFU20_HOMEDIR_OID "1.2.840.113556.1.4.7000.187.106"
214#define ADS_ATTR_SFU20_SHELL_OID "1.2.840.113556.1.4.7000.187.72"
215#define ADS_ATTR_SFU20_GECOS_OID "1.2.840.113556.1.4.7000.187.97"
216#define ADS_ATTR_SFU20_UID_OID "1.2.840.113556.1.4.7000.187.102"
217
218
219/* ldap attribute oids (RFC2307) */
220#define ADS_ATTR_RFC2307_UIDNUMBER_OID "1.3.6.1.1.1.1.0"
221#define ADS_ATTR_RFC2307_GIDNUMBER_OID "1.3.6.1.1.1.1.1"
222#define ADS_ATTR_RFC2307_HOMEDIR_OID "1.3.6.1.1.1.1.3"
223#define ADS_ATTR_RFC2307_SHELL_OID "1.3.6.1.1.1.1.4"
224#define ADS_ATTR_RFC2307_GECOS_OID "1.3.6.1.1.1.1.2"
225#define ADS_ATTR_RFC2307_UID_OID "0.9.2342.19200300.100.1.1"
226
227/* ldap bitwise searches */
228#define ADS_LDAP_MATCHING_RULE_BIT_AND "1.2.840.113556.1.4.803"
229#define ADS_LDAP_MATCHING_RULE_BIT_OR "1.2.840.113556.1.4.804"
230
231#define ADS_PINGS 0x0000FFFF /* Ping response */
232#define ADS_DNS_CONTROLLER 0x20000000 /* DomainControllerName is a DNS name*/
233#define ADS_DNS_DOMAIN 0x40000000 /* DomainName is a DNS name */
234#define ADS_DNS_FOREST 0x80000000 /* DnsForestName is a DNS name */
235
236/* ads auth control flags */
237#define ADS_AUTH_DISABLE_KERBEROS 0x0001
238#define ADS_AUTH_NO_BIND 0x0002
239#define ADS_AUTH_ANON_BIND 0x0004
240#define ADS_AUTH_SIMPLE_BIND 0x0008
241#define ADS_AUTH_ALLOW_NTLMSSP 0x0010
242#define ADS_AUTH_SASL_SIGN 0x0020
243#define ADS_AUTH_SASL_SEAL 0x0040
244#define ADS_AUTH_SASL_FORCE 0x0080
245#define ADS_AUTH_USER_CREDS 0x0100
246
247/* Kerberos environment variable names */
248#define KRB5_ENV_CCNAME "KRB5CCNAME"
249
250#define WELL_KNOWN_GUID_COMPUTERS "AA312825768811D1ADED00C04FD8D5CD"
251#define WELL_KNOWN_GUID_USERS "A9D1CA15768811D1ADED00C04FD8D5CD"
252
253enum ads_extended_dn_flags {
254 ADS_EXTENDED_DN_HEX_STRING = 0,
255 ADS_EXTENDED_DN_STRING = 1 /* not supported on win2k */
256};
257
258/* this is probably not very well suited to pass other controls generically but
259 * is good enough for the extended dn control where it is only used for atm */
260
261typedef struct {
262 const char *control;
263 int val;
264 int critical;
265} ads_control;
266
267#define ADS_IGNORE_PRINCIPAL "not_defined_in_RFC4178@please_ignore"
268
269#endif /* _INCLUDE_ADS_H_ */
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