55b1ee298e
using old methods of parsing arguments to using the standard macros. However, the big change is that the really old way of specifying application and arguments separated by a comma will no longer work (e.g. NoOp,foo|bar). Instead, the way that has been recommended since long before 1.0 will become the only method available (e.g. NoOp(foo,bar). git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@76703 65c4cc65-6c06-0410-ace0-fbb531ad65f3
160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 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 Environment related dialplan functions
|
|
*
|
|
* \ingroup functions
|
|
*/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.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"
|
|
|
|
static int env_read(struct ast_channel *chan, const char *cmd, char *data,
|
|
char *buf, size_t len)
|
|
{
|
|
char *ret = NULL;
|
|
|
|
*buf = '\0';
|
|
|
|
if (data)
|
|
ret = getenv(data);
|
|
|
|
if (ret)
|
|
ast_copy_string(buf, ret, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int env_write(struct ast_channel *chan, const char *cmd, char *data,
|
|
const char *value)
|
|
{
|
|
if (!ast_strlen_zero(data)) {
|
|
if (!ast_strlen_zero(value)) {
|
|
setenv(data, value, 1);
|
|
} else {
|
|
unsetenv(data);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stat_read(struct ast_channel *chan, const char *cmd, char *data,
|
|
char *buf, size_t len)
|
|
{
|
|
char *action;
|
|
struct stat s;
|
|
|
|
*buf = '\0';
|
|
|
|
action = strsep(&data, ",");
|
|
if (stat(data, &s)) {
|
|
return -1;
|
|
} else {
|
|
switch (*action) {
|
|
case 'e':
|
|
strcpy(buf, "1");
|
|
break;
|
|
case 's':
|
|
snprintf(buf, len, "%d", (unsigned int) s.st_size);
|
|
break;
|
|
case 'f':
|
|
snprintf(buf, len, "%d", S_ISREG(s.st_mode) ? 1 : 0);
|
|
break;
|
|
case 'd':
|
|
snprintf(buf, len, "%d", S_ISDIR(s.st_mode) ? 1 : 0);
|
|
break;
|
|
case 'M':
|
|
snprintf(buf, len, "%d", (int) s.st_mtime);
|
|
break;
|
|
case 'A':
|
|
snprintf(buf, len, "%d", (int) s.st_mtime);
|
|
break;
|
|
case 'C':
|
|
snprintf(buf, len, "%d", (int) s.st_ctime);
|
|
break;
|
|
case 'm':
|
|
snprintf(buf, len, "%o", (int) s.st_mode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function env_function = {
|
|
.name = "ENV",
|
|
.synopsis = "Gets or sets the environment variable specified",
|
|
.syntax = "ENV(<envname>)",
|
|
.read = env_read,
|
|
.write = env_write,
|
|
};
|
|
|
|
static struct ast_custom_function stat_function = {
|
|
.name = "STAT",
|
|
.synopsis = "Does a check on the specified file",
|
|
.syntax = "STAT(<flag>,<filename>)",
|
|
.read = stat_read,
|
|
.desc =
|
|
"flag may be one of the following:\n"
|
|
" d - Checks if the file is a directory\n"
|
|
" e - Checks if the file exists\n"
|
|
" f - Checks if the file is a regular file\n"
|
|
" m - Returns the file mode (in octal)\n"
|
|
" s - Returns the size (in bytes) of the file\n"
|
|
" A - Returns the epoch at which the file was last accessed\n"
|
|
" C - Returns the epoch at which the inode was last changed\n"
|
|
" M - Returns the epoch at which the file was last modified\n",
|
|
};
|
|
|
|
static int unload_module(void)
|
|
{
|
|
int res = 0;
|
|
|
|
res |= ast_custom_function_unregister(&env_function);
|
|
res |= ast_custom_function_unregister(&stat_function);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
int res = 0;
|
|
|
|
res |= ast_custom_function_register(&env_function);
|
|
res |= ast_custom_function_register(&stat_function);
|
|
|
|
return res;
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Environment/filesystem dialplan functions");
|