auth/kerberos: Use talloc_stackframe to avoid memory and FD leak of event context
[kai/samba-autobuild/.git] / source4 / auth / kerberos / kerberos.h
index 0f1b0779b2e789ecc0b12e1f3dab8805ea4a0d46..2ff9e3868af94ee82b0e910d13c63267c1caffab 100644 (file)
@@ -6,7 +6,7 @@
    
    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 2 of the License, or
+   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,
    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, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifndef _AUTH_KERBEROS_H_
+#define _AUTH_KERBEROS_H_
+
 #if defined(HAVE_KRB5)
 
-#if defined(HAVE_KRB5_INITLOG) && defined(HAVE_KRB5_ADDLOG_FUNC) && defined (HAVE_KRB5_SET_WARN_DEST) && defined(HAVE_KRB5_LOG_FACILITY)
-#define HAVE_KRB5_LOG_CONTROL
-#else
-#undef HAVE_KRB5_LOG_CONTROL
-#endif
+#include "system/kerberos.h"
+#include "auth/kerberos/krb5_init_context.h"
+#include "librpc/gen_ndr/krb5pac.h"
+#include "lib/krb5_wrap/krb5_samba.h"
+#include "lib/krb5_wrap/gss_samba.h"
 
-struct smb_krb5_context {
-       krb5_context krb5_context;
-#ifdef HAVE_KRB5_LOG_CONTROL
-       krb5_log_facility *logf;
-#endif
+struct auth_user_info_dc;
+struct cli_credentials;
+
+struct ccache_container {
+       struct smb_krb5_context *smb_krb5_context;
+       krb5_ccache ccache;
 };
-       
 
-/* not really ASN.1, but RFC 1964 */
-#define TOK_ID_KRB_AP_REQ      "\x01\x00"
-#define TOK_ID_KRB_AP_REP      "\x02\x00"
-#define TOK_ID_KRB_ERROR       "\x03\x00"
-#define TOK_ID_GSS_GETMIC      "\x01\x01"
-#define TOK_ID_GSS_WRAP                "\x02\x01"
+struct keytab_container {
+       struct smb_krb5_context *smb_krb5_context;
+       krb5_keytab keytab;
+       bool password_based;
+};
 
-#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 */
+/* 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")
 
-#ifndef HAVE_KRB5_SET_REAL_TIME
-krb5_error_code krb5_set_real_time(krb5_context context, int32_t seconds, int32_t microseconds);
-#endif
+#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_DEFAULT_TGS_KTYPES
 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc);
@@ -64,92 +61,28 @@ krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype
 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);
-DATA_BLOB get_auth_data_from_tkt(TALLOC_CTX *mem_ctx, 
-                                krb5_ticket *tkt);
-
-NTSTATUS ads_verify_ticket(TALLOC_CTX *mem_ctx, 
-                          struct smb_krb5_context *smb_krb5_context,
-                          krb5_auth_context auth_context,
-                          const char *realm, const char *service, 
-                          const DATA_BLOB *ticket, 
-                          char **principal, DATA_BLOB *auth_data,
-                          DATA_BLOB *ap_rep,
-                          krb5_keyblock **keyblock);
-int kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc, 
-                              const char *principal, const char *password, 
-                              time_t *expire_time, time_t *kdc_time);
-int kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc, 
-                              const char *principal, krb5_keyblock *keyblock,
-                              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 kinit_to_ccache(TALLOC_CTX *parent_ctx,
-                         struct cli_credentials *credentials,
-                         struct smb_krb5_context *smb_krb5_context,
-                         krb5_ccache *ccache,
-                         const char **ccache_name);
-krb5_error_code smb_krb5_init_context(TALLOC_CTX *parent_ctx, 
-                                     struct smb_krb5_context **smb_krb5_context); 
-krb5_error_code salt_principal_from_credentials(TALLOC_CTX *parent_ctx, 
-                                               struct cli_credentials *machine_account, 
-                                               struct smb_krb5_context *smb_krb5_context,
-                                               krb5_principal *salt_princ);
-NTSTATUS create_memory_keytab(TALLOC_CTX *parent_ctx,
-                             struct cli_credentials *machine_account,
-                             struct smb_krb5_context *smb_krb5_context,
-                             krb5_keytab *keytab);
-NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
-                            struct PAC_DATA **pac_data_out,
-                            DATA_BLOB blob,
-                            struct smb_krb5_context *smb_krb5_context,
-                            krb5_keyblock *krbtgt_keyblock,
-                            krb5_keyblock *service_keyblock);
-NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
-                                struct PAC_LOGON_INFO **logon_info,
-                                DATA_BLOB blob,
-                                struct smb_krb5_context *smb_krb5_context,
-                                krb5_keyblock *krbtgt_keyblock,
-                                krb5_keyblock *service_keyblock);
-krb5_error_code kerberos_create_pac(TALLOC_CTX *mem_ctx,
-                                   struct auth_serversupplied_info *server_info,
-                                   krb5_context context,
-                                   krb5_keyblock *krbtgt_keyblock,
-                                   krb5_keyblock *server_keyblock,
-                                   DATA_BLOB *pac);
-
-krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
+ krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
                                    struct PAC_DATA *pac_data,
                                    krb5_context context,
-                                   krb5_keyblock *krbtgt_keyblock,
-                                   krb5_keyblock *service_keyblock,
+                                   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);
+
+#include "auth/kerberos/proto.h"
+
 #endif /* HAVE_KRB5 */
 
+#endif /* _AUTH_KERBEROS_H_ */