plugins/cryptohost/cryptohost.c

0001 /**
0002  * @brief Cryptokey by hostname
0003  *
0004  * @file cryptohost.c
0005  */
0006 /* -----------------------------------------------------------------------------
0007  * Enduro/X Middleware Platform for Distributed Transaction Processing
0008  * Copyright (C) 2009-2016, ATR Baltic, Ltd. All Rights Reserved.
0009  * Copyright (C) 2017-2023, Mavimax, Ltd. All Rights Reserved.
0010  * This software is released under one of the following licenses:
0011  * AGPL (with Java and Go exceptions) or Mavimax's license for commercial use.
0012  * See LICENSE file for full text.
0013  * -----------------------------------------------------------------------------
0014  * AGPL license:
0015  *
0016  * This program is free software; you can redistribute it and/or modify it under
0017  * the terms of the GNU Affero General Public License, version 3 as published
0018  * by the Free Software Foundation;
0019  *
0020  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
0021  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
0022  * PARTICULAR PURPOSE. See the GNU Affero General Public License, version 3
0023  * for more details.
0024  *
0025  * You should have received a copy of the GNU Affero General Public License along
0026  * with this program; if not, write to the Free Software Foundation, Inc.,
0027  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
0028  *
0029  * -----------------------------------------------------------------------------
0030  * A commercial use license is available from Mavimax, Ltd
0031  * contact@mavimax.com
0032  * -----------------------------------------------------------------------------
0033  */
0034 #include <string.h>
0035 #include <stdio.h>
0036 #include <stdlib.h>
0037
0038 #include <ndrstandard.h>
0039 #include <ndebug.h>
0040 #include <nstdutil.h>
0041 #include <expluginbase.h>
0042 #include <sys_unix.h>
0043
0044 /*---------------------------Externs------------------------------------*/
0045 /*---------------------------Macros-------------------------------------*/
0046 /*---------------------------Enums--------------------------------------*/
0047 /*---------------------------Typedefs-----------------------------------*/
0048 /*---------------------------Globals------------------------------------*/
0049 /*---------------------------Statics------------------------------------*/
0050 exprivate char M_hostname[PATH_MAX];
0051 exprivate int M_hostname_first = EXTRUE;
0052 /*---------------------------Prototypes---------------------------------*/
0053
0054 /**
0055  * Initialize the plugin
0056  * @param provider_name plugin name/provider string
0057  * @param provider_name_bufsz provider string buffer size
0058  * @return FAIL (in case of error) or OR'ed function flags
0059  */
0060 expublic long ndrx_plugin_init(char *provider_name, int provider_name_bufsz)
0061 {
0062     snprintf(provider_name, provider_name_bufsz, "Enduro/X Crypthost");
0063
0064     NDRX_LOG_EARLY(log_info, "Cryptohost plugin init...");
0065
0066     /* we provide encryption key function */
0067     return NDRX_PLUGIN_FUNC_ENCKEY;
0068 }
0069
0070 /**
0071  * Get the encryption key
0072  * @param keybuf
0073  * @param keybuf_bufsz
0074  * @return EXSUCCEED/EXFAIL
0075  */
0076 expublic int ndrx_plugin_crypto_getkey(char *keybuf, int keybuf_bufsz)
0077 {
0078     int ret = EXSUCCEED;
0079
0080     /* No problem if we run from mutliple threads..
0081      * the hostname is save anyway so bytes in mem should be put in the same order
0082      */
0083     if (M_hostname_first)
0084     {
0085         if (EXSUCCEED!=ndrx_sys_get_hostname(M_hostname, sizeof(M_hostname)))
0086         {
0087             NDRX_LOG_EARLY(log_error, "Failed to get hostname!");
0088             EXFAIL_OUT(ret);
0089         }
0090
0091         M_hostname_first = EXFALSE;
0092     }
0093
0094     NDRX_STRCPY_SAFE_DST(keybuf, M_hostname, keybuf_bufsz);
0095
0096 out:
0097     return ret;
0098 }
0099 /* vim: set ts=4 sw=4 et smartindent: */