144 lines
2.9 KiB
C
144 lines
2.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Matt O'Gorman <mogorman@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief ReadFile application -- Reads in a File for you.
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*
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* \ingroup applications
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/options.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/app.h"
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#include "asterisk/module.h"
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static char *tdesc = "Stores output of file into a variable";
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static char *app_readfile = "ReadFile";
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static char *readfile_synopsis = "ReadFile(varname=file,length)";
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static char *readfile_descrip =
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"ReadFile(varname=file,length)\n"
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" Varname - Result stored here.\n"
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" File - The name of the file to read.\n"
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" Length - Maximum number of characters to capture.\n";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int readfile_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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struct localuser *u;
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char *s, *varname=NULL, *file=NULL, *length=NULL, *returnvar=NULL;
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int len=0;
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "ReadFile require an argument!\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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s = ast_strdupa(data);
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if (!s) {
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ast_log(LOG_ERROR, "Out of memory\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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varname = strsep(&s, "=");
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file = strsep(&s, "|");
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length = s;
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if (!varname || !file) {
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ast_log(LOG_ERROR, "No file or variable specified!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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if (length) {
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if ((sscanf(length, "%d", &len) != 1) || (len < 0)) {
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ast_log(LOG_WARNING, "%s is not a positive number, defaulting length to max\n", length);
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len = 0;
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}
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}
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returnvar = ast_read_textfile(file);
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if(len > 0){
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if(len < strlen(returnvar))
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returnvar[len]='\0';
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else
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ast_log(LOG_WARNING,"%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar));
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}
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pbx_builtin_setvar_helper(chan, varname, returnvar);
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free(returnvar);
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LOCAL_USER_REMOVE(u);
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return res;
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}
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int unload_module(void)
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{
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int res;
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res = ast_unregister_application(app_readfile);
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STANDARD_HANGUP_LOCALUSERS;
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return res;
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}
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int load_module(void)
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{
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return ast_register_application(app_readfile, readfile_exec, readfile_synopsis, readfile_descrip);
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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int res;
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STANDARD_USECOUNT(res);
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return res;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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