Mon Aug 31 12:30:37 2015

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"

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, const 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 89 of file func_sha1.c.

References ast_custom_function_register.

00090 {
00091    return ast_custom_function_register(&sha1_function);
00092 }

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

Definition at line 57 of file func_sha1.c.

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

00059 {
00060    *buf = '\0';
00061 
00062    if (ast_strlen_zero(data)) {
00063       ast_log(LOG_WARNING, "Syntax: SHA1(<data>) - missing argument!\n");
00064       return -1;
00065    }
00066 
00067    if (len >= 41)
00068       ast_sha1_hash(buf, data);
00069    else {
00070       ast_log(LOG_ERROR,
00071             "Insufficient space to produce SHA1 hash result (%d < 41)\n",
00072             (int) len);
00073    }
00074 
00075    return 0;
00076 }

static int unload_module ( void   )  [static]

Definition at line 84 of file func_sha1.c.

References ast_custom_function_unregister().

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


Variable Documentation

Initial value:
 {
   .name = "SHA1",
   .read = sha1,
   .read_max = 42,
}

Definition at line 78 of file func_sha1.c.


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