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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved
*
* $Header$
*/
/*
* This header file is used internally by the Admin API server
* libraries and Admin server. IF YOU THINK YOU NEED TO USE THIS FILE
* FOR ANYTHING, YOU'RE ALMOST CERTAINLY WRONG.
*/
#ifndef __KADM5_SERVER_INTERNAL_H__
#define __KADM5_SERVER_INTERNAL_H__
#include "autoconf.h"
#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#include <stdlib.h>
#include <errno.h>
#include <kdb.h>
#include <kadm5/admin.h>
#include <krb5/plugin.h>
#include "admin_internal.h"
/*
* This is the history key version for a newly created DB. We use this value
* for principals which have no password history yet to avoid having to look up
* the history key. Values other than 2 will cause compatibility issues with
* pre-1.8 libkadm5 code; the older code will reject key changes when it sees
* an unexpected value of admin_history_kvno.
*/
#define INITIAL_HIST_KVNO 2
/* A pwqual_handle represents a password quality plugin module. */
typedef struct pwqual_handle_st *pwqual_handle;
typedef struct kadm5_hook_handle_st *kadm5_hook_handle;
typedef struct _kadm5_server_handle_t {
krb5_ui_4 magic_number;
krb5_ui_4 struct_version;
krb5_ui_4 api_version;
krb5_context context;
krb5_principal current_caller;
kadm5_config_params params;
struct _kadm5_server_handle_t *lhandle;
char **db_args;
pwqual_handle *qual_handles;
kadm5_hook_handle *hook_handles;
} kadm5_server_handle_rec, *kadm5_server_handle_t;
#define OSA_ADB_PRINC_VERSION_1 0x12345C01
typedef struct _osa_pw_hist_t {
int n_key_data;
krb5_key_data *key_data;
} osa_pw_hist_ent, *osa_pw_hist_t;
typedef struct _osa_princ_ent_t {
int version;
char *policy;
long aux_attributes;
unsigned int old_key_len;
unsigned int old_key_next;
krb5_kvno admin_history_kvno;
osa_pw_hist_ent *old_keys;
} osa_princ_ent_rec, *osa_princ_ent_t;
kadm5_ret_t adb_policy_init(kadm5_server_handle_t handle);
kadm5_ret_t adb_policy_close(kadm5_server_handle_t handle);
kadm5_ret_t passwd_check(kadm5_server_handle_t handle,
const char *pass, kadm5_policy_ent_t policy,
krb5_principal principal);
kadm5_ret_t principal_exists(krb5_principal principal);
krb5_error_code kdb_init_master(kadm5_server_handle_t handle,
char *r, int from_keyboard);
krb5_error_code kdb_get_active_mkey(kadm5_server_handle_t handle,
krb5_kvno *act_kvno_out,
krb5_keyblock **act_mkey_out);
krb5_error_code kdb_init_hist(kadm5_server_handle_t handle,
char *r);
krb5_error_code kdb_get_hist_key(kadm5_server_handle_t handle,
krb5_keyblock **keyblocks_out,
krb5_kvno *kvno_out);
void kdb_free_keyblocks(kadm5_server_handle_t handle,
krb5_keyblock *keyblocks);
krb5_error_code kdb_get_entry(kadm5_server_handle_t handle,
krb5_principal principal,
krb5_db_entry **kdb, osa_princ_ent_rec *adb);
krb5_error_code kdb_free_entry(kadm5_server_handle_t handle,
krb5_db_entry *kdb, osa_princ_ent_rec *adb);
krb5_error_code kdb_put_entry(kadm5_server_handle_t handle,
krb5_db_entry *kdb, osa_princ_ent_rec *adb);
krb5_error_code kdb_delete_entry(kadm5_server_handle_t handle,
krb5_principal name);
krb5_error_code kdb_iter_entry(kadm5_server_handle_t handle,
char *match_entry,
void (*iter_fct)(void *, krb5_principal),
void *data);
kadm5_ret_t init_pwqual(kadm5_server_handle_t handle);
void destroy_pwqual(kadm5_server_handle_t handle);
/* XXX this ought to be in libkrb5.a, but isn't */
kadm5_ret_t krb5_copy_key_data_contents(krb5_context context,
krb5_key_data *from,
krb5_key_data *to);
kadm5_ret_t krb5_free_key_data_contents(krb5_context context,
krb5_key_data *key);
/*
* *Warning*
* *Warning* This is going to break if we
* *Warning* ever go multi-threaded
* *Warning*
*/
extern krb5_principal current_caller;
/*
* Why is this (or something similar) not defined *anywhere* in krb5?
*/
#define KSUCCESS 0
#define WORD_NOT_FOUND 1
/*
* all the various mask bits or'd together
*/
#define ALL_PRINC_MASK \
(KADM5_PRINCIPAL | KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION | \
KADM5_LAST_PWD_CHANGE | KADM5_ATTRIBUTES | KADM5_MAX_LIFE | \
KADM5_MOD_TIME | KADM5_MOD_NAME | KADM5_KVNO | KADM5_MKVNO | \
KADM5_AUX_ATTRIBUTES | KADM5_POLICY_CLR | KADM5_POLICY | \
KADM5_MAX_RLIFE | KADM5_TL_DATA | KADM5_KEY_DATA | KADM5_FAIL_AUTH_COUNT )
#define ALL_POLICY_MASK \
(KADM5_POLICY | KADM5_PW_MAX_LIFE | KADM5_PW_MIN_LIFE | \
KADM5_PW_MIN_LENGTH | KADM5_PW_MIN_CLASSES | KADM5_PW_HISTORY_NUM | \
KADM5_REF_COUNT | KADM5_PW_MAX_FAILURE | KADM5_PW_FAILURE_COUNT_INTERVAL | \
KADM5_PW_LOCKOUT_DURATION )
#define SERVER_CHECK_HANDLE(handle) \
{ \
kadm5_server_handle_t srvr = \
(kadm5_server_handle_t) handle; \
\
if (! srvr->current_caller) \
return KADM5_BAD_SERVER_HANDLE; \
if (! srvr->lhandle) \
return KADM5_BAD_SERVER_HANDLE; \
}
#define CHECK_HANDLE(handle) \
GENERIC_CHECK_HANDLE(handle, KADM5_OLD_SERVER_API_VERSION, \
KADM5_NEW_SERVER_API_VERSION) \
SERVER_CHECK_HANDLE(handle)
bool_t xdr_osa_princ_ent_rec(XDR *xdrs, osa_princ_ent_t objp);
void
osa_free_princ_ent(osa_princ_ent_t val);
/*** Password quality plugin consumer interface ***/
/* Load all available password quality plugin modules, bind each module to the
* realm's dictionary file, and store the result into *handles_out. Free the
* result with k5_pwqual_free_handles. */
krb5_error_code
k5_pwqual_load(krb5_context context, const char *dict_file,
pwqual_handle **handles_out);
/* Release a handle list allocated by k5_pwqual_load. */
void
k5_pwqual_free_handles(krb5_context context, pwqual_handle *handles);
/* Return the name of a password quality plugin module. */
const char *
k5_pwqual_name(krb5_context context, pwqual_handle handle);
/* Check a password using a password quality plugin module. */
krb5_error_code
k5_pwqual_check(krb5_context context, pwqual_handle handle,
const char *password, const char *policy_name,
krb5_principal princ);
/*** initvt functions for built-in password quality modules ***/
/* The dict module checks passwords against the realm's dictionary. */
krb5_error_code
pwqual_dict_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
/* The empty module rejects empty passwords (even with no password policy). */
krb5_error_code
pwqual_empty_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
/* The hesiod module checks passwords against GECOS fields from Hesiod passwd
* information (only if the tree was built with Hesiod support). */
krb5_error_code
pwqual_hesiod_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
/* The princ module checks passwords against principal components. */
krb5_error_code
pwqual_princ_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
/** @{
* @name kadm5_hook plugin support
*/
/** Load all kadm5_hook plugins. */
krb5_error_code
k5_kadm5_hook_load(krb5_context context,
kadm5_hook_handle **handles_out);
/** Free handles allocated by k5_kadm5_hook_load(). */
void
k5_kadm5_hook_free_handles(krb5_context context, kadm5_hook_handle *handles);
/** Call the chpass entry point on every kadm5_hook in @a handles. */
kadm5_ret_t
k5_kadm5_hook_chpass (krb5_context context,
kadm5_hook_handle *handles,
int stage, krb5_principal princ,
krb5_boolean keepold,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
const char *newpass);
/** Call the create entry point for kadm5_hook_plugins. */
kadm5_ret_t
k5_kadm5_hook_create (krb5_context context,
kadm5_hook_handle *handles,
int stage,
kadm5_principal_ent_t princ, long mask,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
const char *newpass);
/** Call modify kadm5_hook entry point. */
kadm5_ret_t
k5_kadm5_hook_modify (krb5_context context,
kadm5_hook_handle *handles,
int stage,
kadm5_principal_ent_t princ, long mask);
/** Call remove kadm5_hook entry point. */
kadm5_ret_t
k5_kadm5_hook_remove (krb5_context context,
kadm5_hook_handle *handles,
int stage,
krb5_principal princ);
/** @}*/
#endif /* __KADM5_SERVER_INTERNAL_H__ */
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