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 get_kerberos_allowed_etypes(krb5_context context, krb5_enctype **enctypes);
175 bool get_krb5_smb_session_key(TALLOC_CTX *mem_ctx,
176 krb5_context context,
177 krb5_auth_context auth_context,
178 DATA_BLOB *session_key, bool remote);
179 krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
180 void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype);
181 bool kerberos_compatible_enctypes(krb5_context context, krb5_enctype enctype1, krb5_enctype enctype2);
182 void kerberos_free_data_contents(krb5_context context, krb5_data *pdata);
183 krb5_error_code smb_krb5_parse_name_norealm(krb5_context context,
185 krb5_principal *principal);
186 bool smb_krb5_principal_compare_any_realm(krb5_context context,
187 krb5_const_principal princ1,
188 krb5_const_principal princ2);
189 krb5_error_code smb_krb5_renew_ticket(const char *ccache_string, const char *client_string, const char *service_string, time_t *expire_time);
190 krb5_error_code smb_krb5_gen_netbios_krb5_address(smb_krb5_addresses **kerb_addr,
191 const char *netbios_name);
192 krb5_error_code smb_krb5_free_addresses(krb5_context context, smb_krb5_addresses *addr);
193 NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error);
194 krb5_error_code nt_status_to_krb5(NTSTATUS nt_status);
195 void smb_krb5_free_error(krb5_context context, krb5_error *krberror);
196 krb5_error_code handle_krberror_packet(krb5_context context,
199 void smb_krb5_get_init_creds_opt_free(krb5_context context,
200 krb5_get_init_creds_opt *opt);
201 krb5_error_code smb_krb5_get_init_creds_opt_alloc(krb5_context context,
202 krb5_get_init_creds_opt **opt);
203 krb5_enctype smb_get_enctype_from_kt_entry(krb5_keytab_entry *kt_entry);
204 krb5_error_code smb_krb5_enctype_to_string(krb5_context context,
205 krb5_enctype enctype,
207 krb5_error_code smb_krb5_open_keytab_relative(krb5_context context,
208 const char *keytab_name_req,
210 krb5_keytab *keytab);
211 krb5_error_code smb_krb5_open_keytab(krb5_context context,
212 const char *keytab_name,
214 krb5_keytab *keytab);
215 krb5_error_code smb_krb5_keytab_name(TALLOC_CTX *mem_ctx,
216 krb5_context context,
218 const char **keytab_name);
219 krb5_error_code smb_krb5_kt_seek_and_delete_old_entries(krb5_context context,
222 krb5_enctype enctype,
224 krb5_principal princ,
226 bool keep_old_entries);
227 krb5_error_code smb_krb5_kt_add_entry(krb5_context context,
231 const char *salt_principal,
232 krb5_enctype enctype,
235 bool keep_old_entries);
237 krb5_error_code smb_krb5_get_credentials(krb5_context context,
240 krb5_principal server,
241 krb5_principal impersonate_princ,
242 krb5_creds **out_creds);
243 krb5_error_code smb_krb5_keyblock_init_contents(krb5_context context,
244 krb5_enctype enctype,
248 krb5_error_code kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
249 krb5_principal principal,
250 krb5_keyblock *keyblock,
251 const char *target_service,
252 krb5_get_init_creds_opt *krb_options,
255 krb5_error_code kerberos_kinit_password_cc(krb5_context ctx,
257 krb5_principal principal,
258 const char *password,
259 const char *target_service,
260 krb5_get_init_creds_opt *krb_options,
263 #ifdef SAMBA4_USES_HEIMDAL
264 krb5_error_code kerberos_kinit_s4u2_cc(krb5_context ctx,
265 krb5_ccache store_cc,
266 krb5_principal init_principal,
267 const char *init_password,
268 krb5_principal impersonate_principal,
269 const char *self_service,
270 const char *target_service,
271 krb5_get_init_creds_opt *krb_options,
276 #if defined(HAVE_KRB5_MAKE_PRINCIPAL)
277 #define smb_krb5_make_principal krb5_make_principal
278 #elif defined(HAVE_KRB5_BUILD_PRINCIPAL_ALLOC_VA)
279 krb5_error_code smb_krb5_make_principal(krb5_context context,
280 krb5_principal *principal,
281 const char *realm, ...);
283 #error krb5_make_principal not available
286 #if defined(HAVE_KRB5_CC_GET_LIFETIME)
287 #define smb_krb5_cc_get_lifetime krb5_cc_get_lifetime
288 #elif defined(HAVE_KRB5_CC_RETRIEVE_CRED)
289 krb5_error_code smb_krb5_cc_get_lifetime(krb5_context context,
293 #error krb5_cc_get_lifetime not available
296 #if defined(HAVE_KRB5_FREE_CHECKSUM_CONTENTS)
297 #define smb_krb5_free_checksum_contents krb5_free_checksum_contents
298 #elif defined (HAVE_FREE_CHECKSUM)
299 void smb_krb5_free_checksum_contents(krb5_context ctx, krb5_checksum *cksum);
301 #error krb5_free_checksum_contents/free_Checksum is not vailable
304 krb5_error_code smb_krb5_make_pac_checksum(TALLOC_CTX *mem_ctx,
306 krb5_context context,
307 const krb5_keyblock *keyblock,
309 DATA_BLOB *sig_blob);
311 char *smb_krb5_principal_get_realm(krb5_context context,
312 krb5_const_principal principal);
314 void smb_krb5_principal_set_type(krb5_context context,
315 krb5_principal principal,
318 krb5_error_code smb_krb5_principal_set_realm(krb5_context context,
319 krb5_principal principal,
322 char *kerberos_get_principal_from_service_hostname(TALLOC_CTX *mem_ctx,
324 const char *remote_name,
325 const char *default_realm);
327 char *smb_get_krb5_error_message(krb5_context context,
328 krb5_error_code code,
329 TALLOC_CTX *mem_ctx);
331 bool unwrap_edata_ntstatus(TALLOC_CTX *mem_ctx,
333 DATA_BLOB *edata_out);
336 krb5_error_code kt_copy(krb5_context context,
339 krb5_error_code kt_copy_one_principal(krb5_context context,
342 const char *principal,
344 const krb5_enctype *enctypes);
346 #if defined(HAVE_KRB5_KT_COMPARE)
347 #define smb_krb5_kt_compare krb5_kt_compare
349 krb5_boolean smb_krb5_kt_compare(krb5_context context,
350 krb5_keytab_entry *entry,
351 krb5_const_principal principal,
353 krb5_enctype enctype);
356 const krb5_enctype *samba_all_enctypes(void);
358 uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum);
359 krb5_enctype ms_suptype_to_ietf_enctype(uint32_t enctype_bitmap);
360 krb5_error_code ms_suptypes_to_ietf_enctypes(TALLOC_CTX *mem_ctx,
361 uint32_t enctype_bitmap,
362 krb5_enctype **enctypes);
363 int smb_krb5_get_pw_salt(krb5_context context,
364 krb5_const_principal host_princ,
367 int smb_krb5_create_key_from_string(krb5_context context,
368 krb5_const_principal host_princ,
371 krb5_enctype enctype,
374 krb5_boolean smb_krb5_get_allowed_weak_crypto(krb5_context context);
376 #ifndef krb5_princ_size
377 #if defined(HAVE_KRB5_PRINCIPAL_GET_NUM_COMP)
378 #define krb5_princ_size krb5_principal_get_num_comp
380 #error krb5_princ_size unavailable
384 char *smb_krb5_principal_get_comp_string(TALLOC_CTX *mem_ctx,
385 krb5_context context,
386 krb5_const_principal principal,
387 unsigned int component);
389 krb5_error_code krb5_copy_data_contents(krb5_data *p,
393 int smb_krb5_principal_get_type(krb5_context context,
394 krb5_const_principal principal);
396 #if !defined(HAVE_KRB5_WARNX)
397 krb5_error_code krb5_warnx(krb5_context context, const char *fmt, ...);
400 krb5_error_code smb_krb5_cc_copy_creds(krb5_context context,
401 krb5_ccache incc, krb5_ccache outcc);
403 #endif /* HAVE_KRB5 */
405 int cli_krb5_get_ticket(TALLOC_CTX *mem_ctx,
406 const char *principal, time_t time_offset,
407 DATA_BLOB *ticket, DATA_BLOB *session_key_krb5,
408 uint32_t extra_ap_opts, const char *ccname,
410 const char *impersonate_princ_s);
412 #endif /* _KRB5_SAMBA_H */