Fri Aug 24 02:26:09 2007

Asterisk developer's documentation


func_sha1.c File Reference

SHA1 digest related dialplan functions. More...

#include "asterisk.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.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 dependency graph for func_sha1.c:

Go to the source code of this file.

Functions

 AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"SHA-1 computation dialplan function")
static int load_module (void)
static int sha1 (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int unload_module (void)

Variables

static struct ast_custom_function sha1_function


Detailed Description

SHA1 digest related dialplan functions.

Author:
Claude Patry <cpatry@gmail.com>

Definition in file func_sha1.c.


Function Documentation

AST_MODULE_INFO_STANDARD ( ASTERISK_GPL_KEY  ,
"SHA-1 computation dialplan function"   
)

static int load_module ( void   )  [static]

Definition at line 80 of file func_sha1.c.

References ast_custom_function_register(), and sha1_function.

00081 {
00082    return ast_custom_function_register(&sha1_function);
00083 }

static int sha1 ( struct ast_channel chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 43 of file func_sha1.c.

References ast_log(), ast_sha1_hash(), ast_strlen_zero(), LOG_ERROR, and LOG_WARNING.

00045 {
00046    *buf = '\0';
00047 
00048    if (ast_strlen_zero(data)) {
00049       ast_log(LOG_WARNING, "Syntax: SHA1(<data>) - missing argument!\n");
00050       return -1;
00051    }
00052 
00053    if (len >= 41)
00054       ast_sha1_hash(buf, data);
00055    else {
00056       ast_log(LOG_ERROR,
00057             "Insufficient space to produce SHA1 hash result (%d < 41)\n",
00058             (int) len);
00059    }
00060 
00061    return 0;
00062 }

static int unload_module ( void   )  [static]

Definition at line 75 of file func_sha1.c.

References ast_custom_function_unregister(), and sha1_function.

00076 {
00077    return ast_custom_function_unregister(&sha1_function);
00078 }


Variable Documentation

struct ast_custom_function sha1_function [static]

Definition at line 64 of file func_sha1.c.

Referenced by load_module(), and unload_module().


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