/*
 * Copyright (c) 1997-2000 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/* $Id$ */

#ifndef __KADM5_ADMIN_H__
#define __KADM5_ADMIN_H__

#define KADM5_API_VERSION_1 1
#define KADM5_API_VERSION_2 2

#ifndef USE_KADM5_API_VERSION
#define USE_KADM5_API_VERSION KADM5_API_VERSION_2
#endif

#if USE_KADM5_API_VERSION != KADM5_API_VERSION_2
#error No support for API versions other than 2
#endif

#define KADM5_STRUCT_VERSION 0

#include <krb5.h>

#define KRB5_KDB_DISALLOW_POSTDATED     0x00000001
#define KRB5_KDB_DISALLOW_FORWARDABLE   0x00000002
#define KRB5_KDB_DISALLOW_TGT_BASED     0x00000004
#define KRB5_KDB_DISALLOW_RENEWABLE     0x00000008
#define KRB5_KDB_DISALLOW_PROXIABLE     0x00000010
#define KRB5_KDB_DISALLOW_DUP_SKEY      0x00000020
#define KRB5_KDB_DISALLOW_ALL_TIX       0x00000040
#define KRB5_KDB_REQUIRES_PRE_AUTH      0x00000080
#define KRB5_KDB_REQUIRES_HW_AUTH       0x00000100
#define KRB5_KDB_REQUIRES_PWCHANGE      0x00000200
#define KRB5_KDB_DISALLOW_SVR           0x00001000
#define KRB5_KDB_PWCHANGE_SERVICE       0x00002000
#define KRB5_KDB_SUPPORT_DESMD5         0x00004000
#define KRB5_KDB_NEW_PRINC              0x00008000
#define KRB5_KDB_OK_AS_DELEGATE         0x00010000
#define KRB5_KDB_TRUSTED_FOR_DELEGATION 0x00020000
#define KRB5_KDB_ALLOW_KERBEROS4        0x00040000
#define KRB5_KDB_ALLOW_DIGEST           0x00080000

#define KADM5_PRINCIPAL         0x000001
#define KADM5_PRINC_EXPIRE_TIME 0x000002
#define KADM5_PW_EXPIRATION     0x000004
#define KADM5_LAST_PWD_CHANGE   0x000008
#define KADM5_ATTRIBUTES        0x000010
#define KADM5_MAX_LIFE          0x000020
#define KADM5_MOD_TIME          0x000040
#define KADM5_MOD_NAME          0x000080
#define KADM5_KVNO              0x000100
#define KADM5_MKVNO             0x000200
#define KADM5_AUX_ATTRIBUTES    0x000400
#define KADM5_POLICY            0x000800
#define KADM5_POLICY_CLR        0x001000
#define KADM5_MAX_RLIFE         0x002000
#define KADM5_LAST_SUCCESS      0x004000
#define KADM5_LAST_FAILED       0x008000
#define KADM5_FAIL_AUTH_COUNT   0x010000
#define KADM5_KEY_DATA          0x020000
#define KADM5_TL_DATA           0x040000

#define KADM5_PRINCIPAL_NORMAL_MASK (~(KADM5_KEY_DATA | KADM5_TL_DATA))

#define KADM5_PW_MAX_LIFE       0x004000
#define KADM5_PW_MIN_LIFE       0x008000
#define KADM5_PW_MIN_LENGTH     0x010000
#define KADM5_PW_MIN_CLASSES    0x020000
#define KADM5_PW_HISTORY_NUM    0x040000
#define KADM5_REF_COUNT         0x080000

#define KADM5_POLICY_NORMAL_MASK (~0)

#define KADM5_ADMIN_SERVICE     "kadmin/admin"
#define KADM5_HIST_PRINCIPAL    "kadmin/history"
#define KADM5_CHANGEPW_SERVICE  "kadmin/changepw"

typedef struct {
    int16_t key_data_ver;       /* Version */
    int16_t key_data_kvno;      /* Key Version */
    int16_t key_data_type[2];   /* Array of types */
    int16_t key_data_length[2]; /* Array of lengths */
    void*   key_data_contents[2];/* Array of pointers */
} krb5_key_data;

typedef struct _krb5_tl_data {
    struct _krb5_tl_data* tl_data_next;
    int16_t tl_data_type;
    int16_t tl_data_length;
    void*   tl_data_contents;
} krb5_tl_data;

#define KRB5_TL_LAST_PWD_CHANGE         0x0001
#define KRB5_TL_MOD_PRINC               0x0002
#define KRB5_TL_KADM_DATA               0x0003
#define KRB5_TL_KADM5_E_DATA            0x0004
#define KRB5_TL_RB1_CHALLENGE           0x0005
#define KRB5_TL_SECURID_STATE           0x0006
#define KRB5_TL_PASSWORD                0x0007
#define KRB5_TL_EXTENSION               0x0008
#define KRB5_TL_PKINIT_ACL              0x0009
#define KRB5_TL_ALIASES                 0x000a

typedef struct _kadm5_principal_ent_t {
    krb5_principal principal;

    krb5_timestamp princ_expire_time;
    krb5_timestamp last_pwd_change;
    krb5_timestamp pw_expiration;
    krb5_deltat max_life;
    krb5_principal mod_name;
    krb5_timestamp mod_date;
    krb5_flags attributes;
    krb5_kvno kvno;
    krb5_kvno mkvno;

    char * policy;
    uint32_t aux_attributes;

    krb5_deltat max_renewable_life;
    krb5_timestamp last_success;
    krb5_timestamp last_failed;
    krb5_kvno fail_auth_count;
    int16_t n_key_data;
    int16_t n_tl_data;
    krb5_tl_data *tl_data;
    krb5_key_data *key_data;
} kadm5_principal_ent_rec, *kadm5_principal_ent_t;

typedef struct _kadm5_policy_ent_t {
    char *policy;

    uint32_t pw_min_life;
    uint32_t pw_max_life;
    uint32_t pw_min_length;
    uint32_t pw_min_classes;
    uint32_t pw_history_num;
    uint32_t policy_refcnt;
} kadm5_policy_ent_rec, *kadm5_policy_ent_t;

#define KADM5_CONFIG_REALM                      (1 << 0)
#define KADM5_CONFIG_PROFILE                    (1 << 1)
#define KADM5_CONFIG_KADMIND_PORT               (1 << 2)
#define KADM5_CONFIG_ADMIN_SERVER               (1 << 3)
#define KADM5_CONFIG_DBNAME                     (1 << 4)
#define KADM5_CONFIG_ADBNAME                    (1 << 5)
#define KADM5_CONFIG_ADB_LOCKFILE               (1 << 6)
#define KADM5_CONFIG_ACL_FILE                   (1 << 7)
#define KADM5_CONFIG_DICT_FILE                  (1 << 8)
#define KADM5_CONFIG_ADMIN_KEYTAB               (1 << 9)
#define KADM5_CONFIG_MKEY_FROM_KEYBOARD         (1 << 10)
#define KADM5_CONFIG_STASH_FILE                 (1 << 11)
#define KADM5_CONFIG_MKEY_NAME                  (1 << 12)
#define KADM5_CONFIG_ENCTYPE                    (1 << 13)
#define KADM5_CONFIG_MAX_LIFE                   (1 << 14)
#define KADM5_CONFIG_MAX_RLIFE                  (1 << 15)
#define KADM5_CONFIG_EXPIRATION                 (1 << 16)
#define KADM5_CONFIG_FLAGS                      (1 << 17)
#define KADM5_CONFIG_ENCTYPES                   (1 << 18)

#define KADM5_PRIV_GET          (1 << 0)
#define KADM5_PRIV_ADD          (1 << 1)
#define KADM5_PRIV_MODIFY       (1 << 2)
#define KADM5_PRIV_DELETE       (1 << 3)
#define KADM5_PRIV_LIST         (1 << 4)
#define KADM5_PRIV_CPW          (1 << 5)
#define KADM5_PRIV_ALL          (KADM5_PRIV_GET | KADM5_PRIV_ADD | KADM5_PRIV_MODIFY | KADM5_PRIV_DELETE | KADM5_PRIV_LIST | KADM5_PRIV_CPW)

typedef struct {
    int XXX;
}krb5_key_salt_tuple;

typedef struct _kadm5_config_params {
    uint32_t mask;

    /* Client and server fields */
    char *realm;
    int kadmind_port;

    /* client fields */
    char *admin_server;

    /* server fields */
    char *dbname;
    char *acl_file;

    /* server library (database) fields */
    char *stash_file;
} kadm5_config_params;

typedef krb5_error_code kadm5_ret_t;

#include "kadm5-protos.h"

#if 0
/* unimplemented functions */
kadm5_ret_t
kadm5_decrypt_key(void *server_handle,
                  kadm5_principal_ent_t entry, int32_t
                  ktype, int32_t stype, int32_t
                  kvno, krb5_keyblock *keyblock,
                  krb5_keysalt *keysalt, int *kvnop);

kadm5_ret_t
kadm5_create_policy(void *server_handle,
                    kadm5_policy_ent_t policy, uint32_t mask);

kadm5_ret_t
kadm5_delete_policy(void *server_handle, char *policy);


kadm5_ret_t
kadm5_modify_policy(void *server_handle,
                    kadm5_policy_ent_t policy,
                    uint32_t mask);

kadm5_ret_t
kadm5_get_policy(void *server_handle, char *policy, kadm5_policy_ent_t ent);

kadm5_ret_t
kadm5_get_policies(void *server_handle, char *exp,
                   char ***pols, int *count);

void
kadm5_free_policy_ent(kadm5_policy_ent_t policy);

#endif

#endif /* __KADM5_ADMIN_H__ */