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/*
Unix SMB/CIFS implementation.
simple kerberos5 routines for active directory
Copyright (C) Andrew Tridgell 2001
Copyright (C) Luke Howard 2002-2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _AUTH_KERBEROS_H_
#define _AUTH_KERBEROS_H_
#if defined(HAVE_KRB5)
#include "auth/kerberos/krb5_init_context.h"
#include "librpc/gen_ndr/krb5pac.h"
struct auth_user_info_dc;
struct cli_credentials;
struct ccache_container {
struct smb_krb5_context *smb_krb5_context;
krb5_ccache ccache;
};
struct keytab_container {
struct smb_krb5_context *smb_krb5_context;
krb5_keytab keytab;
};
/* not really ASN.1, but RFC 1964 */
#define TOK_ID_KRB_AP_REQ ((const uint8_t *)"\x01\x00")
#define TOK_ID_KRB_AP_REP ((const uint8_t *)"\x02\x00")
#define TOK_ID_KRB_ERROR ((const uint8_t *)"\x03\x00")
#define TOK_ID_GSS_GETMIC ((const uint8_t *)"\x01\x01")
#define TOK_ID_GSS_WRAP ((const uint8_t *)"\x02\x01")
#ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE
#define KRB5_KEY_TYPE(k) ((k)->keytype)
#define KRB5_KEY_LENGTH(k) ((k)->keyvalue.length)
#define KRB5_KEY_DATA(k) ((k)->keyvalue.data)
#else
#define KRB5_KEY_TYPE(k) ((k)->enctype)
#define KRB5_KEY_LENGTH(k) ((k)->length)
#define KRB5_KEY_DATA(k) ((k)->contents)
#endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
#define ENC_ALL_TYPES (ENC_CRC32 | ENC_RSA_MD5 | ENC_RC4_HMAC_MD5 | \
ENC_HMAC_SHA1_96_AES128 | ENC_HMAC_SHA1_96_AES256)
#ifndef HAVE_KRB5_SET_REAL_TIME
krb5_error_code krb5_set_real_time(krb5_context context, int32_t seconds, int32_t microseconds);
#endif
#ifndef HAVE_KRB5_SET_DEFAULT_TGS_KTYPES
krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc);
#endif
#if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context, krb5_auth_context auth_context, krb5_keyblock *keyblock);
#endif
#ifndef HAVE_KRB5_FREE_UNPARSED_NAME
void krb5_free_unparsed_name(krb5_context ctx, char *val);
#endif
#if defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING) && !defined(HAVE_KRB5_PRINC_COMPONENT)
const krb5_data *krb5_princ_component(krb5_context context, krb5_principal principal, int i );
#endif
/* Samba wrapper function for krb5 functionality. */
void setup_kaddr( krb5_address *pkaddr, struct sockaddr *paddr);
int create_kerberos_key_from_string(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
int create_kerberos_key_from_string_direct(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
krb5_const_principal get_principal_from_tkt(krb5_ticket *tkt);
krb5_error_code get_kerberos_allowed_etypes(krb5_context context, krb5_enctype **enctypes);
void free_kerberos_etypes(krb5_context context, krb5_enctype *enctypes);
bool get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, DATA_BLOB *session_key, bool remote);
krb5_error_code ads_krb5_mk_req(krb5_context context,
krb5_auth_context *auth_context,
const krb5_flags ap_req_options,
const char *principal,
krb5_ccache ccache,
krb5_data *outbuf);
bool get_auth_data_from_tkt(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, krb5_ticket *tkt);
krb5_error_code kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc,
krb5_principal principal, const char *password,
krb5_principal impersonate_principal, const char *target_service,
krb5_get_init_creds_opt *krb_options,
time_t *expire_time, time_t *kdc_time);
krb5_error_code kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
krb5_principal principal, krb5_keyblock *keyblock,
const char *target_service,
krb5_get_init_creds_opt *krb_options,
time_t *expire_time, time_t *kdc_time);
krb5_principal kerberos_fetch_salt_princ_for_host_princ(krb5_context context,
krb5_principal host_princ,
int enctype);
void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype);
bool kerberos_compatible_enctypes(krb5_context context, krb5_enctype enctype1, krb5_enctype enctype2);
void kerberos_free_data_contents(krb5_context context, krb5_data *pdata);
krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx);
NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
struct PAC_DATA **pac_data_out,
DATA_BLOB blob,
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
krb5_const_principal client_principal,
time_t tgs_authtime,
krb5_error_code *k5ret);
NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
struct PAC_LOGON_INFO **logon_info,
DATA_BLOB blob,
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
krb5_const_principal client_principal,
time_t tgs_authtime,
krb5_error_code *k5ret);
krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
struct PAC_DATA *pac_data,
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
DATA_BLOB *pac);
krb5_error_code kerberos_create_pac(TALLOC_CTX *mem_ctx,
struct auth_user_info_dc *user_info_dc,
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
krb5_principal client_principal,
time_t tgs_authtime,
DATA_BLOB *pac);
struct loadparm_context;
struct ldb_message;
struct ldb_context;
uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum);
/* Translate between the Microsoft msDS-SupportedEncryptionTypes values and the IETF encryption type values */
krb5_enctype kerberos_enctype_bitmap_to_enctype(uint32_t enctype_bitmap);
krb5_error_code smb_krb5_update_keytab(TALLOC_CTX *parent_ctx,
struct smb_krb5_context *smb_krb5_context,
struct ldb_context *ldb,
struct ldb_message *msg,
bool delete_all_kvno,
const char **error_string);
#include "auth/kerberos/proto.h"
#endif /* HAVE_KRB5 */
#endif /* _AUTH_KERBEROS_H_ */
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