/* Unix SMB/CIFS implementation. simple kerberos5 routines for active directory Copyright (C) Andrew Tridgell 2001 Copyright (C) Luke Howard 2002-2003 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005 Copyright (C) Guenther Deschner 2005-2009 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 _KRB5_SAMBA_H #define _KRB5_SAMBA_H #ifdef HAVE_KRB5 #define KRB5_PRIVATE 1 /* this file uses PRIVATE interfaces! */ /* this file uses DEPRECATED interfaces! */ #ifdef KRB5_DEPRECATED #undef KRB5_DEPRECATED #endif #if defined(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER) #define KRB5_DEPRECATED 1 #else #define KRB5_DEPRECATED #endif #include "system/kerberos.h" #include "system/network.h" #ifndef KRB5_ADDR_NETBIOS #define KRB5_ADDR_NETBIOS 0x14 #endif #ifndef KRB5KRB_ERR_RESPONSE_TOO_BIG #define KRB5KRB_ERR_RESPONSE_TOO_BIG (-1765328332L) #endif /* Heimdal uses a slightly different name */ #if defined(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5) && !defined(HAVE_ENCTYPE_ARCFOUR_HMAC) #define ENCTYPE_ARCFOUR_HMAC ENCTYPE_ARCFOUR_HMAC_MD5 #endif #if defined(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56) && !defined(HAVE_ENCTYPE_ARCFOUR_HMAC_EXP) #define ENCTYPE_ARCFOUR_HMAC_EXP ENCTYPE_ARCFOUR_HMAC_MD5_56 #endif /* The older versions of heimdal that don't have this define don't seem to use it anyway. I'm told they always use a subkey */ #ifndef HAVE_AP_OPTS_USE_SUBKEY #define AP_OPTS_USE_SUBKEY 0 #endif typedef struct { #if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */ krb5_address **addrs; #elif defined(HAVE_KRB5_ADDRESSES) /* Heimdal */ krb5_addresses *addrs; #else #error UNKNOWN_KRB5_ADDRESS_TYPE #endif /* defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) */ } smb_krb5_addresses; #ifdef HAVE_KRB5_KEYTAB_ENTRY_KEY /* MIT */ #define KRB5_KT_KEY(k) (&(k)->key) #elif HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK /* Heimdal */ #define KRB5_KT_KEY(k) (&(k)->keyblock) #else #error krb5_keytab_entry has no key or keyblock member #endif /* HAVE_KRB5_KEYTAB_ENTRY_KEY */ /* work around broken krb5.h on sles9 */ #ifdef SIZEOF_LONG #undef SIZEOF_LONG #endif #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE /* Heimdal */ #define KRB5_KEY_TYPE(k) ((k)->keytype) #define KRB5_KEY_LENGTH(k) ((k)->keyvalue.length) #define KRB5_KEY_DATA(k) ((k)->keyvalue.data) #define KRB5_KEY_DATA_CAST void #else /* MIT */ #define KRB5_KEY_TYPE(k) ((k)->enctype) #define KRB5_KEY_LENGTH(k) ((k)->length) #define KRB5_KEY_DATA(k) ((k)->contents) #define KRB5_KEY_DATA_CAST krb5_octet #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */ krb5_error_code smb_krb5_parse_name(krb5_context context, const char *name, /* in unix charset */ krb5_principal *principal); krb5_error_code smb_krb5_unparse_name(TALLOC_CTX *mem_ctx, krb5_context context, krb5_const_principal principal, char **unix_name); krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc); #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 /* Stub out initialize_krb5_error_table since it is not present in all * Kerberos implementations. If it's not present, it's not necessary to * call it. */ #ifndef HAVE_INITIALIZE_KRB5_ERROR_TABLE #define initialize_krb5_error_table() #endif /* Samba wrapper functions for krb5 functionality. */ bool setup_kaddr( krb5_address *pkaddr, struct sockaddr_storage *paddr); int create_kerberos_key_from_string(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype, bool no_salt); int create_kerberos_key_from_string_direct(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype); krb5_error_code get_kerberos_allowed_etypes(krb5_context context, krb5_enctype **enctypes); bool get_krb5_smb_session_key(TALLOC_CTX *mem_ctx, krb5_context context, krb5_auth_context auth_context, DATA_BLOB *session_key, bool remote); krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry); 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_parse_name_norealm(krb5_context context, const char *name, krb5_principal *principal); bool smb_krb5_principal_compare_any_realm(krb5_context context, krb5_const_principal princ1, krb5_const_principal princ2); krb5_error_code smb_krb5_renew_ticket(const char *ccache_string, const char *client_string, const char *service_string, time_t *expire_time); krb5_error_code kpasswd_err_to_krb5_err(krb5_error_code res_code); krb5_error_code smb_krb5_gen_netbios_krb5_address(smb_krb5_addresses **kerb_addr, const char *netbios_name); krb5_error_code smb_krb5_free_addresses(krb5_context context, smb_krb5_addresses *addr); NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error); krb5_error_code nt_status_to_krb5(NTSTATUS nt_status); void smb_krb5_free_error(krb5_context context, krb5_error *krberror); krb5_error_code handle_krberror_packet(krb5_context context, krb5_data *packet); void smb_krb5_get_init_creds_opt_free(krb5_context context, krb5_get_init_creds_opt *opt); krb5_error_code smb_krb5_get_init_creds_opt_alloc(krb5_context context, krb5_get_init_creds_opt **opt); krb5_enctype smb_get_enctype_from_kt_entry(krb5_keytab_entry *kt_entry); krb5_error_code smb_krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **etype_s); krb5_error_code smb_krb5_open_keytab(krb5_context context, const char *keytab_name, bool write_access, krb5_keytab *keytab); krb5_error_code smb_krb5_keytab_name(TALLOC_CTX *mem_ctx, krb5_context context, krb5_keytab keytab, const char **keytab_name); krb5_error_code smb_krb5_get_credentials(krb5_context context, krb5_ccache ccache, krb5_principal me, krb5_principal server, krb5_principal impersonate_princ, krb5_creds **out_creds); krb5_error_code smb_krb5_keyblock_init_contents(krb5_context context, krb5_enctype enctype, const void *data, size_t length, krb5_keyblock *key); 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_error_code kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc, krb5_principal principal, const char *password, const char *target_service, krb5_get_init_creds_opt *krb_options, time_t *expire_time, time_t *kdc_time); #ifdef SAMBA4_USES_HEIMDAL krb5_error_code kerberos_kinit_s4u2_cc(krb5_context ctx, krb5_ccache store_cc, krb5_principal init_principal, const char *init_password, krb5_principal impersonate_principal, const char *self_service, const char *target_service, krb5_get_init_creds_opt *krb_options, time_t *expire_time, time_t *kdc_time); #endif #if defined(HAVE_KRB5_MAKE_PRINCIPAL) #define smb_krb5_make_principal krb5_make_principal #elif defined(HAVE_KRB5_BUILD_PRINCIPAL_ALLOC_VA) krb5_error_code smb_krb5_make_principal(krb5_context context, krb5_principal *principal, const char *realm, ...); #else #error krb5_make_principal not available #endif #if defined(HAVE_KRB5_CC_GET_LIFETIME) #define smb_krb5_cc_get_lifetime krb5_cc_get_lifetime #elif defined(HAVE_KRB5_CC_RETRIEVE_CRED) krb5_error_code smb_krb5_cc_get_lifetime(krb5_context context, krb5_ccache id, time_t *t); #else #error krb5_cc_get_lifetime not available #endif #if defined(HAVE_KRB5_FREE_CHECKSUM_CONTENTS) #define smb_krb5_free_checksum_contents krb5_free_checksum_contents #elif defined (HAVE_FREE_CHECKSUM) void smb_krb5_free_checksum_contents(krb5_context ctx, krb5_checksum *cksum); #else #error krb5_free_checksum_contents/free_Checksum is not vailable #endif krb5_error_code smb_krb5_make_pac_checksum(TALLOC_CTX *mem_ctx, DATA_BLOB *pac_data, krb5_context context, const krb5_keyblock *keyblock, uint32_t *sig_type, DATA_BLOB *sig_blob); char *smb_krb5_principal_get_realm(krb5_context context, krb5_principal principal); char *kerberos_get_principal_from_service_hostname(TALLOC_CTX *mem_ctx, const char *service, const char *remote_name, const char *default_realm); char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx); bool unwrap_edata_ntstatus(TALLOC_CTX *mem_ctx, DATA_BLOB *edata, DATA_BLOB *edata_out); krb5_error_code kt_copy(krb5_context context, const char *from, const char *to); krb5_error_code kt_copy_one_principal(krb5_context context, const char *from, const char *to, const char *principal, krb5_kvno kvno, const krb5_enctype *enctypes); #if defined(HAVE_KRB5_KT_COMPARE) #define smb_krb5_kt_compare krb5_kt_compare #else krb5_boolean smb_krb5_kt_compare(krb5_context context, krb5_keytab_entry *entry, krb5_const_principal principal, krb5_kvno vno, krb5_enctype enctype); #endif const krb5_enctype *samba_all_enctypes(void); uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum); krb5_enctype ms_suptype_to_ietf_enctype(uint32_t enctype_bitmap); krb5_error_code ms_suptypes_to_ietf_enctypes(TALLOC_CTX *mem_ctx, uint32_t enctype_bitmap, krb5_enctype **enctypes); #endif /* HAVE_KRB5 */ int cli_krb5_get_ticket(TALLOC_CTX *mem_ctx, const char *principal, time_t time_offset, DATA_BLOB *ticket, DATA_BLOB *session_key_krb5, uint32_t extra_ap_opts, const char *ccname, time_t *tgs_expire, const char *impersonate_princ_s); #endif /* _KRB5_SAMBA_H */