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  • /*
     * Asterisk -- An open source telephony toolkit.
     *
     * Copyright (C) 2006, Digium, Inc.
     *
     * See http://www.asterisk.org for more information about
     * the Asterisk project. Please do not directly contact
     * any of the maintainers of this project for assistance;
     * the project provides a web site, mailing lists and IRC
     * channels for your use.
     *
     * This program is free software, distributed under the terms of
     * the GNU General Public License Version 2. See the LICENSE file
     * at the top of the source tree.
     */
    
    /*! \file
     *
     * \brief Return the current Version strings
     * 
     * \author Steve Murphy (murf@digium.com)
    
    Olle Johansson's avatar
    Olle Johansson committed
     * \ingroup functions
    
     */
    
    #include "asterisk.h"
    
    ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
    
    #include <stdlib.h>
    #include <string.h>
    #include <stdio.h>
    #include <sys/types.h>
    
    #include "asterisk/module.h"
    #include "asterisk/channel.h"
    #include "asterisk/pbx.h"
    #include "asterisk/logger.h"
    #include "asterisk/utils.h"
    #include "asterisk/app.h"
    #include "asterisk/options.h"
    #include "asterisk/version.h"
    #include "asterisk/build.h"
    
    #define STRING_IT(vernum) STRING_IT2(vernum)
    #define STRING_IT2(vernum) #vernum
    
    
    static int acf_version_exec(struct ast_channel *chan, const char *cmd,
    
    			 char *parse, char *buffer, size_t buflen)
    {
    	char *response_char = ASTERISK_VERSION;
    	AST_DECLARE_APP_ARGS(args,
    			     AST_APP_ARG(info);
    	);
    
    	AST_STANDARD_APP_ARGS(args, parse);
    
    	if (!ast_strlen_zero(args.info) ) {
    		if (strcasecmp(args.info,"ASTERISK_VERSION_NUM") == 0)
    			response_char = STRING_IT(ASTERISK_VERSION_NUM);
    		else if (strcasecmp(args.info,"BUILD_USER") == 0)
    			response_char = BUILD_USER;
    		else if (strcasecmp(args.info,"BUILD_HOSTNAME") == 0)
    			response_char = BUILD_HOSTNAME;
    		else if (strcasecmp(args.info,"BUILD_MACHINE") == 0)
    			response_char = BUILD_MACHINE;
    		else if (strcasecmp(args.info,"BUILD_KERNEL") == 0)
    			response_char = BUILD_KERNEL;
    		else if (strcasecmp(args.info,"BUILD_OS") == 0)
    			response_char = BUILD_OS;
    		else if (strcasecmp(args.info,"BUILD_DATE") == 0)
    			response_char = BUILD_DATE;
    
    	}
    
    
    
    	ast_debug(1, "VERSION returns %s result, given %s argument\n", response_char, args.info);
    
    	snprintf(buffer, buflen, "%s", response_char);
    
    	return 0;
    }
    
    static struct ast_custom_function acf_version = {
    	.name = "VERSION",
    	.synopsis = "Return the Version info for this Asterisk",
    	.syntax = "VERSION([info])",
    	.desc =
    		"If there are no arguments, return the version of Asterisk in this format: SVN-branch-1.4-r44830M\n"
    		"If the argument is 'ASTERISK_VERSION_NUM', a string of digits is returned (right now fixed at 999999).\n"
    		"If the argument is 'BUILD_USER', the string representing the user's name whose account was used to configure Asterisk, is returned.\n"
    		"If the argument is 'BUILD_HOSTNAME', the string representing the name of the host on which Asterisk was configured, is returned.\n"
    		"If the argument is 'BUILD_MACHINE', the string representing the type of machine on which Asterisk was configured, is returned.\n"
    		"If the argument is 'BUILD_OS', the string representing the OS of the machine on which Asterisk was configured, is returned.\n"
    		"If the argument is 'BUILD_DATE', the string representing the date on which Asterisk was configured, is returned.\n"
    		"If the argument is 'BUILD_KERNEL', the string representing the kernel version of the machine on which Asterisk was configured, is returned .\n"
    		"  Example:  Set(junky=${VERSION()}; \n"
    		"  Sets junky to the string 'SVN-branch-1.6-r74830M', or possibly, 'SVN-trunk-r45126M'.\n",
    	.read = acf_version_exec,
    };
    
    static int unload_module(void)
    {
    	ast_custom_function_unregister(&acf_version);
    
    	return 0;
    }
    
    static int load_module(void)
    {
    	return ast_custom_function_register(&acf_version);
    }
    
    AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Get Asterisk Version/Build Info");