/*
 * 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.
 */

#include "kadm5_locl.h"

RCSID("$Id$");


static kadm5_ret_t
kadm5_s_init_with_context(krb5_context context,
                          const char *client_name,
                          const char *service_name,
                          kadm5_config_params *realm_params,
                          unsigned long struct_version,
                          unsigned long api_version,
                          void **server_handle)
{
    kadm5_ret_t ret;
    kadm5_server_context *ctx;
    ret = _kadm5_s_init_context(&ctx, realm_params, context);
    if(ret)
        return ret;

    assert(ctx->config.dbname != NULL);
    assert(ctx->config.stash_file != NULL);
    assert(ctx->config.acl_file != NULL);
    assert(ctx->log_context.log_file != NULL);
#ifndef NO_UNIX_SOCKETS
    assert(ctx->log_context.socket_name.sun_path[0] != '\0');
#else
    assert(ctx->log_context.socket_info != NULL);
#endif

    ret = hdb_create(ctx->context, &ctx->db, ctx->config.dbname);
    if(ret)
        return ret;
    ret = hdb_set_master_keyfile (ctx->context,
                                  ctx->db, ctx->config.stash_file);
    if(ret)
        return ret;

    ctx->log_context.log_fd   = -1;

#ifndef NO_UNIX_SOCKETS
    ctx->log_context.socket_fd = socket (AF_UNIX, SOCK_DGRAM, 0);
#else
    ctx->log_context.socket_fd = socket (ctx->log_context.socket_info->ai_family,
                                         ctx->log_context.socket_info->ai_socktype,
                                         ctx->log_context.socket_info->ai_protocol);
#endif

    ret = krb5_parse_name(ctx->context, client_name, &ctx->caller);
    if(ret)
        return ret;

    ret = _kadm5_acl_init(ctx);
    if(ret)
        return ret;

    *server_handle = ctx;
    return 0;
}

kadm5_ret_t
kadm5_s_init_with_password_ctx(krb5_context context,
                               const char *client_name,
                               const char *password,
                               const char *service_name,
                               kadm5_config_params *realm_params,
                               unsigned long struct_version,
                               unsigned long api_version,
                               void **server_handle)
{
    return kadm5_s_init_with_context(context,
                                     client_name,
                                     service_name,
                                     realm_params,
                                     struct_version,
                                     api_version,
                                     server_handle);
}

kadm5_ret_t
kadm5_s_init_with_password(const char *client_name,
                           const char *password,
                           const char *service_name,
                           kadm5_config_params *realm_params,
                           unsigned long struct_version,
                           unsigned long api_version,
                           void **server_handle)
{
    krb5_context context;
    kadm5_ret_t ret;
    kadm5_server_context *ctx;

    ret = krb5_init_context(&context);
    if (ret)
        return ret;
    ret = kadm5_s_init_with_password_ctx(context,
                                         client_name,
                                         password,
                                         service_name,
                                         realm_params,
                                         struct_version,
                                         api_version,
                                         server_handle);
    if(ret){
        krb5_free_context(context);
        return ret;
    }
    ctx = *server_handle;
    ctx->my_context = 1;
    return 0;
}

kadm5_ret_t
kadm5_s_init_with_skey_ctx(krb5_context context,
                           const char *client_name,
                           const char *keytab,
                           const char *service_name,
                           kadm5_config_params *realm_params,
                           unsigned long struct_version,
                           unsigned long api_version,
                           void **server_handle)
{
    return kadm5_s_init_with_context(context,
                                     client_name,
                                     service_name,
                                     realm_params,
                                     struct_version,
                                     api_version,
                                     server_handle);
}

kadm5_ret_t
kadm5_s_init_with_skey(const char *client_name,
                       const char *keytab,
                       const char *service_name,
                       kadm5_config_params *realm_params,
                       unsigned long struct_version,
                       unsigned long api_version,
                       void **server_handle)
{
    krb5_context context;
    kadm5_ret_t ret;
    kadm5_server_context *ctx;

    ret = krb5_init_context(&context);
    if (ret)
        return ret;
    ret = kadm5_s_init_with_skey_ctx(context,
                                     client_name,
                                     keytab,
                                     service_name,
                                     realm_params,
                                     struct_version,
                                     api_version,
                                     server_handle);
    if(ret){
        krb5_free_context(context);
        return ret;
    }
    ctx = *server_handle;
    ctx->my_context = 1;
    return 0;
}

kadm5_ret_t
kadm5_s_init_with_creds_ctx(krb5_context context,
                            const char *client_name,
                            krb5_ccache ccache,
                            const char *service_name,
                            kadm5_config_params *realm_params,
                            unsigned long struct_version,
                            unsigned long api_version,
                            void **server_handle)
{
    return kadm5_s_init_with_context(context,
                                     client_name,
                                     service_name,
                                     realm_params,
                                     struct_version,
                                     api_version,
                                     server_handle);
}

kadm5_ret_t
kadm5_s_init_with_creds(const char *client_name,
                        krb5_ccache ccache,
                        const char *service_name,
                        kadm5_config_params *realm_params,
                        unsigned long struct_version,
                        unsigned long api_version,
                        void **server_handle)
{
    krb5_context context;
    kadm5_ret_t ret;
    kadm5_server_context *ctx;

    ret = krb5_init_context(&context);
    if (ret)
        return ret;
    ret = kadm5_s_init_with_creds_ctx(context,
                                      client_name,
                                      ccache,
                                      service_name,
                                      realm_params,
                                      struct_version,
                                      api_version,
                                      server_handle);
    if(ret){
        krb5_free_context(context);
        return ret;
    }
    ctx = *server_handle;
    ctx->my_context = 1;
    return 0;
}