2 Unix SMB/CIFS implementation.
3 simple kerberos5 routines for active directory
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Luke Howard 2002-2003
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
7 Copyright (C) Guenther Deschner 2005-2009
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #define KRB5_PRIVATE 1 /* this file uses PRIVATE interfaces! */
29 /* this file uses DEPRECATED interfaces! */
31 #ifdef KRB5_DEPRECATED
32 #undef KRB5_DEPRECATED
35 #if defined(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER)
36 #define KRB5_DEPRECATED 1
38 #define KRB5_DEPRECATED
41 #include "system/kerberos.h"
42 #include "system/network.h"
44 #ifndef KRB5_ADDR_NETBIOS
45 #define KRB5_ADDR_NETBIOS 0x14
48 #ifndef KRB5KRB_ERR_RESPONSE_TOO_BIG
49 #define KRB5KRB_ERR_RESPONSE_TOO_BIG (-1765328332L)
52 /* Heimdal uses a slightly different name */
53 #if defined(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5) && !defined(HAVE_ENCTYPE_ARCFOUR_HMAC)
54 #define ENCTYPE_ARCFOUR_HMAC ENCTYPE_ARCFOUR_HMAC_MD5
56 #if defined(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56) && !defined(HAVE_ENCTYPE_ARCFOUR_HMAC_EXP)
57 #define ENCTYPE_ARCFOUR_HMAC_EXP ENCTYPE_ARCFOUR_HMAC_MD5_56
60 /* The older versions of heimdal that don't have this
61 define don't seem to use it anyway. I'm told they
62 always use a subkey */
63 #ifndef HAVE_AP_OPTS_USE_SUBKEY
64 #define AP_OPTS_USE_SUBKEY 0
68 #define KRB5_PW_SALT 3
71 /* CKSUMTYPE_HMAC_MD5 in Heimdal
72 CKSUMTYPE_HMAC_MD5_ARCFOUR in MIT */
73 #if defined(CKSUMTYPE_HMAC_MD5_ARCFOUR) && !defined(CKSUMTYPE_HMAC_MD5)
74 #define CKSUMTYPE_HMAC_MD5 CKSUMTYPE_HMAC_MD5_ARCFOUR
78 * CKSUMTYPE_HMAC_SHA1_96_AES_* in Heimdal
79 * CKSUMTYPE_HMAC_SHA1_96_AES* in MIT
81 #if defined(CKSUMTYPE_HMAC_SHA1_96_AES128) && !defined(CKSUMTYPE_HMAC_SHA1_96_AES_128)
82 #define CKSUMTYPE_HMAC_SHA1_96_AES_128 CKSUMTYPE_HMAC_SHA1_96_AES128
84 #if defined(CKSUMTYPE_HMAC_SHA1_96_AES256) && !defined(CKSUMTYPE_HMAC_SHA1_96_AES_256)
85 #define CKSUMTYPE_HMAC_SHA1_96_AES_256 CKSUMTYPE_HMAC_SHA1_96_AES256
89 * KRB5_KU_OTHER_ENCRYPTED in Heimdal
90 * KRB5_KEYUSAGE_APP_DATA_ENCRYPT in MIT
92 #if defined(KRB5_KEYUSAGE_APP_DATA_ENCRYPT) && !defined(KRB5_KU_OTHER_ENCRYPTED)
93 #define KRB5_KU_OTHER_ENCRYPTED KRB5_KEYUSAGE_APP_DATA_ENCRYPT
97 #if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
99 #elif defined(HAVE_KRB5_ADDRESSES) /* Heimdal */
100 krb5_addresses *addrs;
102 #error UNKNOWN_KRB5_ADDRESS_TYPE
103 #endif /* defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) */
104 } smb_krb5_addresses;
106 #ifdef HAVE_KRB5_KEYTAB_ENTRY_KEY /* MIT */
107 #define KRB5_KT_KEY(k) (&(k)->key)
108 #elif HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK /* Heimdal */
109 #define KRB5_KT_KEY(k) (&(k)->keyblock)
111 #error krb5_keytab_entry has no key or keyblock member
112 #endif /* HAVE_KRB5_KEYTAB_ENTRY_KEY */
114 /* work around broken krb5.h on sles9 */
119 #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE /* Heimdal */
120 #define KRB5_KEY_TYPE(k) ((k)->keytype)
121 #define KRB5_KEY_LENGTH(k) ((k)->keyvalue.length)
122 #define KRB5_KEY_DATA(k) ((k)->keyvalue.data)
123 #define KRB5_KEY_DATA_CAST void
125 #define KRB5_KEY_TYPE(k) ((k)->enctype)
126 #define KRB5_KEY_LENGTH(k) ((k)->length)
127 #define KRB5_KEY_DATA(k) ((k)->contents)
128 #define KRB5_KEY_DATA_CAST krb5_octet
129 #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
131 #ifdef HAVE_E_DATA_POINTER_IN_KRB5_ERROR /* Heimdal */
132 #define KRB5_ERROR_CODE(k) ((k)->error_code)
134 #define KRB5_ERROR_CODE(k) ((k)->error)
135 #endif /* HAVE_E_DATA_POINTER_IN_KRB5_ERROR */
137 krb5_error_code smb_krb5_parse_name(krb5_context context,
138 const char *name, /* in unix charset */
139 krb5_principal *principal);
141 krb5_error_code smb_krb5_unparse_name(TALLOC_CTX *mem_ctx,
142 krb5_context context,
143 krb5_const_principal principal,
146 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc);
148 #if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
149 krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context, krb5_auth_context auth_context, krb5_keyblock *keyblock);
152 #ifndef HAVE_KRB5_FREE_UNPARSED_NAME
153 void krb5_free_unparsed_name(krb5_context ctx, char *val);
156 /* Stub out initialize_krb5_error_table since it is not present in all
157 * Kerberos implementations. If it's not present, it's not necessary to
160 #ifndef HAVE_INITIALIZE_KRB5_ERROR_TABLE
161 #define initialize_krb5_error_table()
164 /* Samba wrapper functions for krb5 functionality. */
165 bool smb_krb5_sockaddr_to_kaddr(struct sockaddr_storage *paddr,
166 krb5_address *pkaddr);
168 krb5_error_code smb_krb5_mk_error(krb5_context context,
169 krb5_error_code error_code,
174 krb5_error_code smb_krb5_get_allowed_etypes(krb5_context context,
175 krb5_enctype **enctypes);
177 bool smb_krb5_get_smb_session_key(TALLOC_CTX *mem_ctx,
178 krb5_context context,
179 krb5_auth_context auth_context,
180 DATA_BLOB *session_key,
183 krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
184 void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype);
185 bool kerberos_compatible_enctypes(krb5_context context, krb5_enctype enctype1, krb5_enctype enctype2);
186 void smb_krb5_free_data_contents(krb5_context context, krb5_data *pdata);
187 krb5_error_code smb_krb5_renew_ticket(const char *ccache_string, const char *client_string, const char *service_string, time_t *expire_time);
188 krb5_error_code smb_krb5_gen_netbios_krb5_address(smb_krb5_addresses **kerb_addr,
189 const char *netbios_name);
190 krb5_error_code smb_krb5_free_addresses(krb5_context context, smb_krb5_addresses *addr);
191 NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error);
192 krb5_error_code nt_status_to_krb5(NTSTATUS nt_status);
194 krb5_enctype smb_krb5_kt_get_enctype_from_entry(krb5_keytab_entry *kt_entry);
196 krb5_error_code smb_krb5_enctype_to_string(krb5_context context,
197 krb5_enctype enctype,
199 krb5_error_code smb_krb5_kt_open_relative(krb5_context context,
200 const char *keytab_name_req,
202 krb5_keytab *keytab);
203 krb5_error_code smb_krb5_kt_open(krb5_context context,
204 const char *keytab_name,
206 krb5_keytab *keytab);
207 krb5_error_code smb_krb5_kt_get_name(TALLOC_CTX *mem_ctx,
208 krb5_context context,
210 const char **keytab_name);
211 krb5_error_code smb_krb5_kt_seek_and_delete_old_entries(krb5_context context,
214 krb5_enctype enctype,
216 krb5_principal princ,
218 bool keep_old_entries);
219 krb5_error_code smb_krb5_kt_add_entry(krb5_context context,
223 const char *salt_principal,
224 krb5_enctype enctype,
227 bool keep_old_entries);
229 krb5_error_code smb_krb5_get_credentials(krb5_context context,
232 krb5_principal server,
233 krb5_principal impersonate_princ,
234 krb5_creds **out_creds);
235 krb5_error_code smb_krb5_keyblock_init_contents(krb5_context context,
236 krb5_enctype enctype,
240 krb5_error_code smb_krb5_kinit_keyblock_ccache(krb5_context ctx,
242 krb5_principal principal,
243 krb5_keyblock *keyblock,
244 const char *target_service,
245 krb5_get_init_creds_opt *krb_options,
248 krb5_error_code smb_krb5_kinit_password_ccache(krb5_context ctx,
250 krb5_principal principal,
251 const char *password,
252 const char *target_service,
253 krb5_get_init_creds_opt *krb_options,
256 #ifdef SAMBA4_USES_HEIMDAL
257 krb5_error_code smb_krb5_kinit_s4u2_ccache(krb5_context ctx,
258 krb5_ccache store_cc,
259 krb5_principal init_principal,
260 const char *init_password,
261 krb5_principal impersonate_principal,
262 const char *self_service,
263 const char *target_service,
264 krb5_get_init_creds_opt *krb_options,
269 #if defined(HAVE_KRB5_MAKE_PRINCIPAL)
270 #define smb_krb5_make_principal krb5_make_principal
271 #elif defined(HAVE_KRB5_BUILD_PRINCIPAL_ALLOC_VA)
272 krb5_error_code smb_krb5_make_principal(krb5_context context,
273 krb5_principal *principal,
274 const char *realm, ...);
276 #error krb5_make_principal not available
279 #if defined(HAVE_KRB5_CC_GET_LIFETIME)
280 #define smb_krb5_cc_get_lifetime krb5_cc_get_lifetime
281 #elif defined(HAVE_KRB5_CC_RETRIEVE_CRED)
282 krb5_error_code smb_krb5_cc_get_lifetime(krb5_context context,
286 #error krb5_cc_get_lifetime not available
289 #if defined(HAVE_KRB5_FREE_CHECKSUM_CONTENTS)
290 #define smb_krb5_free_checksum_contents krb5_free_checksum_contents
291 #elif defined (HAVE_FREE_CHECKSUM)
292 void smb_krb5_free_checksum_contents(krb5_context ctx, krb5_checksum *cksum);
294 #error krb5_free_checksum_contents/free_Checksum is not vailable
297 krb5_error_code smb_krb5_make_pac_checksum(TALLOC_CTX *mem_ctx,
299 krb5_context context,
300 const krb5_keyblock *keyblock,
302 DATA_BLOB *sig_blob);
304 char *smb_krb5_principal_get_realm(krb5_context context,
305 krb5_const_principal principal);
307 void smb_krb5_principal_set_type(krb5_context context,
308 krb5_principal principal,
311 krb5_error_code smb_krb5_principal_set_realm(krb5_context context,
312 krb5_principal principal,
315 char *smb_krb5_get_principal_from_service_hostname(TALLOC_CTX *mem_ctx,
317 const char *remote_name,
318 const char *default_realm);
320 char *smb_get_krb5_error_message(krb5_context context,
321 krb5_error_code code,
322 TALLOC_CTX *mem_ctx);
324 bool unwrap_edata_ntstatus(TALLOC_CTX *mem_ctx,
326 DATA_BLOB *edata_out);
329 krb5_error_code kt_copy(krb5_context context,
332 krb5_error_code kt_copy_one_principal(krb5_context context,
335 const char *principal,
337 const krb5_enctype *enctypes);
339 #if defined(HAVE_KRB5_KT_COMPARE)
340 #define smb_krb5_kt_compare krb5_kt_compare
342 krb5_boolean smb_krb5_kt_compare(krb5_context context,
343 krb5_keytab_entry *entry,
344 krb5_const_principal principal,
346 krb5_enctype enctype);
349 const krb5_enctype *samba_all_enctypes(void);
351 uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum);
352 krb5_enctype ms_suptype_to_ietf_enctype(uint32_t enctype_bitmap);
353 krb5_error_code ms_suptypes_to_ietf_enctypes(TALLOC_CTX *mem_ctx,
354 uint32_t enctype_bitmap,
355 krb5_enctype **enctypes);
356 int smb_krb5_get_pw_salt(krb5_context context,
357 krb5_const_principal host_princ,
360 int smb_krb5_create_key_from_string(krb5_context context,
361 krb5_const_principal host_princ,
364 krb5_enctype enctype,
367 krb5_boolean smb_krb5_get_allowed_weak_crypto(krb5_context context);
369 #ifndef krb5_princ_size
370 #if defined(HAVE_KRB5_PRINCIPAL_GET_NUM_COMP)
371 #define krb5_princ_size krb5_principal_get_num_comp
373 #error krb5_princ_size unavailable
377 char *smb_krb5_principal_get_comp_string(TALLOC_CTX *mem_ctx,
378 krb5_context context,
379 krb5_const_principal principal,
380 unsigned int component);
382 krb5_error_code smb_krb5_copy_data_contents(krb5_data *p,
386 int smb_krb5_principal_get_type(krb5_context context,
387 krb5_const_principal principal);
389 #if !defined(HAVE_KRB5_WARNX)
390 krb5_error_code krb5_warnx(krb5_context context, const char *fmt, ...);
393 krb5_error_code smb_krb5_cc_copy_creds(krb5_context context,
394 krb5_ccache incc, krb5_ccache outcc);
396 #endif /* HAVE_KRB5 */
398 int ads_krb5_cli_get_ticket(TALLOC_CTX *mem_ctx,
399 const char *principal,
402 DATA_BLOB *session_key_krb5,
403 uint32_t extra_ap_opts, const char *ccname,
405 const char *impersonate_princ_s);
407 #endif /* _KRB5_SAMBA_H */