/*

 * Copyright (c) 1997 - 2009 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.

 */

#ifdef __GNUC__

/* For some GCCs there's no way to shut them up about deprecated functions */

#define KRB5_DEPRECATED_FUNCTION(x)

#endif

#include "krb5_locl.h"

#undef __attribute__

#define __attribute__(x)

#ifndef HEIMDAL_SMALLER

/**

 * Same as krb5_data_free(). MIT compat.

 *

 * Deprecated: use krb5_data_free().

 *

 * @param context Kerberos 5 context.

 * @param data krb5_data to free.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION void KRB5_LIB_CALL

krb5_free_data_contents(krb5_context context, krb5_data *data)

    KRB5_DEPRECATED_FUNCTION("Use krb5_data_free instead")

{

    krb5_data_free(data);

}

/**

 * Deprecated: keytypes doesn't exists, they are really enctypes.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_keytype_to_enctypes_default (krb5_context context,

          krb5_keytype keytype,

          unsigned *len,

          krb5_enctype **val)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

    unsigned int i, n;

    krb5_enctype *ret;

    if (keytype != (krb5_keytype)KEYTYPE_DES || context->etypes_des == NULL)

  return krb5_keytype_to_enctypes (context, keytype, len, val);

    for (n = 0; context->etypes_des[n]; ++n)

  ;

    ret = malloc (n * sizeof(*ret));

    if (ret == NULL && n != 0)

  return krb5_enomem(context);

    for (i = 0; i < n; ++i)

  ret[i] = context->etypes_des[i];

    *len = n;

    *val = ret;

    return 0;

}

static struct {

    const char *name;

    krb5_keytype type;

} keys[] = {

    { "null", KRB5_ENCTYPE_NULL },

    { "des", KRB5_ENCTYPE_DES_CBC_CRC },

    { "des3", KRB5_ENCTYPE_OLD_DES3_CBC_SHA1 },

    { "aes-128", KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96 },

    { "aes-256", KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96 },

    { "arcfour", KRB5_ENCTYPE_ARCFOUR_HMAC_MD5 },

    { "arcfour-56", KRB5_ENCTYPE_ARCFOUR_HMAC_MD5_56 }

};

static int num_keys = sizeof(keys) / sizeof(keys[0]);

/**

 * Deprecated: keytypes doesn't exists, they are really enctypes in

 * most cases, use krb5_enctype_to_string().

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_keytype_to_string(krb5_context context,

           krb5_keytype keytype,

           char **string)

    KRB5_DEPRECATED_FUNCTION("Use krb5_enctype_to_string instead")

{

    const char *name = NULL;

    int i;

    for(i = 0; i < num_keys; i++) {

  if(keys[i].type == keytype) {

      name = keys[i].name;

      break;

  }

    }

    if(i >= num_keys) {

  krb5_set_error_message(context, KRB5_PROG_KEYTYPE_NOSUPP,

             "key type %d not supported", keytype);

  return KRB5_PROG_KEYTYPE_NOSUPP;

    }

    *string = strdup(name);

    if (*string == NULL)

  return krb5_enomem(context);

    return 0;

}

/**

 * Deprecated: keytypes doesn't exists, they are really enctypes in

 * most cases, use krb5_string_to_enctype().

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_string_to_keytype(krb5_context context,

           const char *string,

           krb5_keytype *keytype)

    KRB5_DEPRECATED_FUNCTION("Use krb5_string_to_enctype instead")

{

    char *end;

    int i;

    for(i = 0; i < num_keys; i++)

  if(strcasecmp(keys[i].name, string) == 0){

      *keytype = keys[i].type;

      return 0;

  }

    /* check if the enctype is a number */

    *keytype = strtol(string, &end, 0);

    if(*end == '\0' && *keytype != 0) {

  if (krb5_enctype_valid(context, *keytype) == 0)

      return 0;

    }

    krb5_set_error_message(context, KRB5_PROG_KEYTYPE_NOSUPP,

         "key type %s not supported", string);

    return KRB5_PROG_KEYTYPE_NOSUPP;

}

/**

 * Deprecated: use krb5_get_init_creds() and friends.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_CALLCONV

krb5_password_key_proc (krb5_context context,

      krb5_enctype type,

      krb5_salt salt,

      krb5_const_pointer keyseed,

      krb5_keyblock **key)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

    krb5_error_code ret;

    const char *password = (const char *)keyseed;

    char buf[BUFSIZ];

    *key = malloc (sizeof (**key));

    if (*key == NULL)

  return krb5_enomem(context);

    if (password == NULL) {

  if(UI_UTIL_read_pw_string (buf, sizeof(buf), "Password: ", 0)) {

      free (*key);

      krb5_clear_error_message(context);

      return KRB5_LIBOS_PWDINTR;

  }

  password = buf;

    }

    ret = krb5_string_to_key_salt (context, type, password, salt, *key);

    memset_s(buf, sizeof(buf), 0, sizeof(buf));

    return ret;

}

/**

 * Deprecated: use krb5_get_init_creds() and friends.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_get_in_tkt_with_password (krb5_context context,

             krb5_flags options,

             krb5_addresses *addrs,

             const krb5_enctype *etypes,

             const krb5_preauthtype *pre_auth_types,

             const char *password,

             krb5_ccache ccache,

             krb5_creds *creds,

             krb5_kdc_rep *ret_as_reply)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

     return krb5_get_in_tkt (context,

           options,

           addrs,

           etypes,

           pre_auth_types,

           krb5_password_key_proc,

           password,

           NULL,

           NULL,

           creds,

           ccache,

           ret_as_reply);

}

static krb5_error_code KRB5_CALLCONV

krb5_skey_key_proc (krb5_context context,

        krb5_enctype type,

        krb5_salt salt,

        krb5_const_pointer keyseed,

        krb5_keyblock **key)

{

    return krb5_copy_keyblock (context, keyseed, key);

}

/**

 * Deprecated: use krb5_get_init_creds() and friends.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_get_in_tkt_with_skey (krb5_context context,

         krb5_flags options,

         krb5_addresses *addrs,

         const krb5_enctype *etypes,

         const krb5_preauthtype *pre_auth_types,

         const krb5_keyblock *key,

         krb5_ccache ccache,

         krb5_creds *creds,

         krb5_kdc_rep *ret_as_reply)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

    if(key == NULL)

  return krb5_get_in_tkt_with_keytab (context,

              options,

              addrs,

              etypes,

              pre_auth_types,

              NULL,

              ccache,

              creds,

              ret_as_reply);

    else

  return krb5_get_in_tkt (context,

        options,

        addrs,

        etypes,

        pre_auth_types,

        krb5_skey_key_proc,

        key,

        NULL,

        NULL,

        creds,

        ccache,

        ret_as_reply);

}

/**

 * Deprecated: use krb5_get_init_creds() and friends.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_CALLCONV

krb5_keytab_key_proc (krb5_context context,

          krb5_enctype enctype,

          krb5_salt salt,

          krb5_const_pointer keyseed,

          krb5_keyblock **key)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

    krb5_keytab_key_proc_args *args  = rk_UNCONST(keyseed);

    krb5_keytab keytab = args->keytab;

    krb5_principal principal  = args->principal;

    krb5_error_code ret;

    krb5_keytab real_keytab;

    krb5_keytab_entry entry;

    if(keytab == NULL)

  krb5_kt_default(context, &real_keytab);

    else

  real_keytab = keytab;

    ret = krb5_kt_get_entry (context, real_keytab, principal,

           0, enctype, &entry);

    if (ret == 0) {

        ret = krb5_copy_keyblock (context, &entry.keyblock, key);

        krb5_kt_free_entry(context, &entry);

    }

    if (keytab == NULL)

  krb5_kt_close (context, real_keytab);

    return ret;

}

/**

 * Deprecated: use krb5_get_init_creds() and friends.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_get_in_tkt_with_keytab (krb5_context context,

           krb5_flags options,

           krb5_addresses *addrs,

           const krb5_enctype *etypes,

           const krb5_preauthtype *pre_auth_types,

           krb5_keytab keytab,

           krb5_ccache ccache,

           krb5_creds *creds,

           krb5_kdc_rep *ret_as_reply)

    KRB5_DEPRECATED_FUNCTION("Use X instead")

{

    krb5_keytab_key_proc_args a;

    a.principal = creds->client;

    a.keytab    = keytab;

    return krb5_get_in_tkt (context,

          options,

          addrs,

          etypes,

          pre_auth_types,

          krb5_keytab_key_proc,

          &a,

          NULL,

          NULL,

          creds,

          ccache,

          ret_as_reply);

}

/**

 * Generate a new ccache of type `ops' in `id'.

 *

 * Deprecated: use krb5_cc_new_unique() instead.

 *

 * @return Return an error code or 0, see krb5_get_error_message().

 *

 * @ingroup krb5_ccache

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_cc_gen_new(krb5_context context,

    const krb5_cc_ops *ops,

    krb5_ccache *id)

    KRB5_DEPRECATED_FUNCTION("Use krb5_cc_new_unique instead")

{

    return krb5_cc_new_unique(context, ops->prefix, NULL, id);

}

/**

 * Deprecated: use krb5_principal_get_realm()

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_realm * KRB5_LIB_CALL

krb5_princ_realm(krb5_context context,

     krb5_principal principal)

    KRB5_DEPRECATED_FUNCTION("Use krb5_principal_get_realm instead")

{

    return &principal->realm;

}

/**

 * Deprecated: use krb5_principal_set_realm()

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION void KRB5_LIB_CALL

krb5_princ_set_realm(krb5_context context,

         krb5_principal principal,

         krb5_realm *realm)

    KRB5_DEPRECATED_FUNCTION("Use krb5_principal_set_realm instead")

{

    principal->realm = *realm;

}

/**

 * Deprecated: use krb5_free_cred_contents()

 *

 * @ingroup krb5_deprecated

 */

/* keep this for compatibility with older code */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_free_creds_contents (krb5_context context, krb5_creds *c)

    KRB5_DEPRECATED_FUNCTION("Use krb5_free_cred_contents instead")

{

    return krb5_free_cred_contents (context, c);

}

/**

 * Free the error message returned by krb5_get_error_string().

 *

 * Deprecated: use krb5_free_error_message()

 *

 * @param context Kerberos context

 * @param str error message to free

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION void KRB5_LIB_CALL

krb5_free_error_string(krb5_context context, char *str)

    KRB5_DEPRECATED_FUNCTION("Use krb5_free_error_message instead")

{

    krb5_free_error_message(context, str);

}

/**

 * Set the error message returned by krb5_get_error_string().

 *

 * Deprecated: use krb5_set_error_message()

 *

 * @param context Kerberos context

 * @param fmt error message to free

 *

 * @return Return an error code or 0.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_set_error_string(krb5_context context, const char *fmt, ...)

    __attribute__ ((__format__ (__printf__, 2, 3)))

    KRB5_DEPRECATED_FUNCTION("Use krb5_set_error_message instead")

{

    va_list ap;

    va_start(ap, fmt);

    krb5_vset_error_message (context, 0, fmt, ap);

    va_end(ap);

    return 0;

}

/**

 * Set the error message returned by krb5_get_error_string().

 *

 * Deprecated: use krb5_vset_error_message()

 *

 * @param context Kerberos context

 * @param fmt error message to free

 * @param args variable argument list vector

 *

 * @return Return an error code or 0.

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)

    __attribute__ ((__format__ (__printf__, 2, 0)))

    KRB5_DEPRECATED_FUNCTION("Use krb5_vset_error_message instead")

{

    krb5_vset_error_message(context, 0, fmt, args);

    return 0;

}

/**

 * Clear the error message returned by krb5_get_error_string().

 *

 * Deprecated: use krb5_clear_error_message()

 *

 * @param context Kerberos context

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION void KRB5_LIB_CALL

krb5_clear_error_string(krb5_context context)

    KRB5_DEPRECATED_FUNCTION("Use krb5_clear_error_message instead")

{

    krb5_clear_error_message(context);

}

/**

 * Deprecated: use krb5_get_credentials_with_flags().

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_get_cred_from_kdc_opt(krb5_context context,

         krb5_ccache ccache,

         krb5_creds *in_creds,

         krb5_creds **out_creds,

         krb5_creds ***ret_tgts,

         krb5_flags flags)

    KRB5_DEPRECATED_FUNCTION("Use krb5_get_credentials_with_flags instead")

{

    krb5_kdc_flags f;

    f.i = flags;

    return _krb5_get_cred_kdc_any(context, f, ccache, NULL,

          in_creds, NULL, NULL,

          out_creds, ret_tgts);

}

/**

 * Deprecated: use krb5_get_credentials_with_flags().

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_get_cred_from_kdc(krb5_context context,

           krb5_ccache ccache,

           krb5_creds *in_creds,

           krb5_creds **out_creds,

           krb5_creds ***ret_tgts)

    KRB5_DEPRECATED_FUNCTION("Use krb5_get_credentials_with_flags instead")

{

    return krb5_get_cred_from_kdc_opt(context, ccache,

              in_creds, out_creds, ret_tgts, 0);

}

/**

 * Deprecated: use krb5_xfree().

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION void KRB5_LIB_CALL

krb5_free_unparsed_name(krb5_context context, char *str)

    KRB5_DEPRECATED_FUNCTION("Use krb5_xfree instead")

{

    krb5_xfree(str);

}

/**

 * Deprecated: use krb5_generate_subkey_extended()

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_generate_subkey(krb5_context context,

         const krb5_keyblock *key,

         krb5_keyblock **subkey)

    KRB5_DEPRECATED_FUNCTION("Use krb5_generate_subkey_extended instead")

{

    return krb5_generate_subkey_extended(context, key, ETYPE_NULL, subkey);

}

/**

 * Deprecated: use krb5_auth_con_getremoteseqnumber()

 *

 * @ingroup krb5_deprecated

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_auth_getremoteseqnumber(krb5_context context,

           krb5_auth_context auth_context,

           int32_t *seqnumber)

    KRB5_DEPRECATED_FUNCTION("Use krb5_auth_con_getremoteseqnumber instead")

{

  *seqnumber = auth_context->remote_seqnumber;

  return 0;

}

/**

 * Return the error message in context. On error or no error string,

 * the function returns NULL.

 *

 * @param context Kerberos 5 context

 *

 * @return an error string, needs to be freed with

 * krb5_free_error_message(). The functions return NULL on error.

 *

 * @ingroup krb5_error

 */

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL

krb5_get_error_string(krb5_context context)

    KRB5_DEPRECATED_FUNCTION("Use krb5_get_error_message instead")

{

    return heim_get_error_string(context->hcontext);

}

KRB5_LIB_FUNCTION krb5_boolean KRB5_LIB_CALL

krb5_have_error_string(krb5_context context)

    KRB5_DEPRECATED_FUNCTION("Use krb5_get_error_message instead")

{

    return heim_have_error_string(context->hcontext);

}

struct send_to_kdc {

    krb5_send_to_kdc_func func;

    void *data;

};

/*

 * Send the data `send' to one host from `handle` and get back the reply

 * in `receive'.

 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_sendto (krb5_context context,

       const krb5_data *send_data,

       krb5_krbhst_handle handle,

       krb5_data *receive)

{

    krb5_error_code ret;

    krb5_sendto_ctx ctx;

    ret = krb5_sendto_ctx_alloc(context, &ctx);

    if (ret)

  return ret;

    _krb5_sendto_ctx_set_krb5hst(context, ctx, handle);

    ret = krb5_sendto_context(context, ctx, send_data, (char *)_krb5_krbhst_get_realm(handle), receive);

    krb5_sendto_ctx_free(context, ctx);

    return ret;

}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_sendto_kdc(krb5_context context,

    const krb5_data *send_data,

    const krb5_realm *realm,

    krb5_data *receive)

{

    return krb5_sendto_kdc_flags(context, send_data, realm, receive, 0);

}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_sendto_kdc_flags(krb5_context context,

          const krb5_data *send_data,

          const krb5_realm *realm,

          krb5_data *receive,

          int flags)

{

    krb5_error_code ret;

    krb5_sendto_ctx ctx;

    ret = krb5_sendto_ctx_alloc(context, &ctx);

    if (ret)

  return ret;

    krb5_sendto_ctx_add_flags(ctx, flags);

    krb5_sendto_ctx_set_func(ctx, _krb5_kdc_retry, NULL);

    ret = krb5_sendto_context(context, ctx, send_data, *realm, receive);

    krb5_sendto_ctx_free(context, ctx);

    return ret;

}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

krb5_set_send_to_kdc_func(krb5_context context,

        krb5_send_to_kdc_func func,

        void *data)

{

    free(context->send_to_kdc);

    if (func == NULL) {

  context->send_to_kdc = NULL;

  return 0;

    }

    context->send_to_kdc = malloc(sizeof(*context->send_to_kdc));

    if (context->send_to_kdc == NULL) {

  krb5_set_error_message(context, ENOMEM,

             N_("malloc: out of memory", ""));

  return ENOMEM;

    }

    context->send_to_kdc->func = func;

    context->send_to_kdc->data = data;

    return 0;

}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL

_krb5_copy_send_to_kdc_func(krb5_context context, krb5_context to)

{

    if (context->send_to_kdc)

  return krb5_set_send_to_kdc_func(to,

           context->send_to_kdc->func,

           context->send_to_kdc->data);

    else

  return krb5_set_send_to_kdc_func(to, NULL, NULL);

}

#endif /* HEIMDAL_SMALLER */