Thu Oct 11 06:49:04 2012

Asterisk developer's documentation


func_sha1.c File Reference

SHA1 digest related dialplan functions. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"

Include dependency graph for func_sha1.c:

Go to the source code of this file.

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int load_module (void)
static int sha1 (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "SHA-1 computation dialplan function" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, }
static struct ast_module_infoast_module_info = &__mod_info
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

static void __reg_module ( void   )  [static]

Definition at line 89 of file func_sha1.c.

static void __unreg_module ( void   )  [static]

Definition at line 89 of file func_sha1.c.

static int load_module ( void   )  [static]

Definition at line 84 of file func_sha1.c.

References ast_custom_function_register.

00085 {
00086    return ast_custom_function_register(&sha1_function);
00087 }

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

Definition at line 53 of file func_sha1.c.

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

00055 {
00056    *buf = '\0';
00057 
00058    if (ast_strlen_zero(data)) {
00059       ast_log(LOG_WARNING, "Syntax: SHA1(<data>) - missing argument!\n");
00060       return -1;
00061    }
00062 
00063    if (len >= 41)
00064       ast_sha1_hash(buf, data);
00065    else {
00066       ast_log(LOG_ERROR,
00067             "Insufficient space to produce SHA1 hash result (%d < 41)\n",
00068             (int) len);
00069    }
00070 
00071    return 0;
00072 }

static int unload_module ( void   )  [static]

Definition at line 79 of file func_sha1.c.

References ast_custom_function_unregister().

00080 {
00081    return ast_custom_function_unregister(&sha1_function);
00082 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "SHA-1 computation dialplan function" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static]

Definition at line 89 of file func_sha1.c.

Definition at line 89 of file func_sha1.c.

Initial value:

 {
   .name = "SHA1",
   .read = sha1,
}

Definition at line 74 of file func_sha1.c.


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