Wed Apr 6 11:30:04 2011

Asterisk developer's documentation


func_blacklist.c File Reference

Function to lookup the callerid number, and see if it is blacklisted. More...

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

Go to the source code of this file.

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int blacklist_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int blacklist_read2 (struct ast_channel *chan, const char *cmd, char *data, struct ast_str **str, ssize_t len)
static int load_module (void)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Look up Caller*ID name/number from blacklist database" , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, }
static struct ast_module_infoast_module_info = &__mod_info
static struct ast_custom_function blacklist_function


Detailed Description

Function to lookup the callerid number, and see if it is blacklisted.

Author:
Mark Spencer <markster@digium.com>

Definition in file func_blacklist.c.


Function Documentation

static void __reg_module ( void   )  [static]

Definition at line 105 of file func_blacklist.c.

static void __unreg_module ( void   )  [static]

Definition at line 105 of file func_blacklist.c.

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

Definition at line 55 of file func_blacklist.c.

References ast_db_get(), ast_channel::caller, ast_party_caller::id, ast_party_id::name, ast_party_id::number, ast_party_name::str, ast_party_number::str, ast_party_name::valid, and ast_party_number::valid.

Referenced by blacklist_read2().

00056 {
00057    char blacklist[1];
00058    int bl = 0;
00059 
00060    if (chan->caller.id.number.valid && chan->caller.id.number.str) {
00061       if (!ast_db_get("blacklist", chan->caller.id.number.str, blacklist, sizeof (blacklist)))
00062          bl = 1;
00063    }
00064    if (chan->caller.id.name.valid && chan->caller.id.name.str) {
00065       if (!ast_db_get("blacklist", chan->caller.id.name.str, blacklist, sizeof (blacklist)))
00066          bl = 1;
00067    }
00068 
00069    snprintf(buf, len, "%d", bl);
00070    return 0;
00071 }

static int blacklist_read2 ( struct ast_channel chan,
const char *  cmd,
char *  data,
struct ast_str **  str,
ssize_t  len 
) [static]

Definition at line 73 of file func_blacklist.c.

References ast_str_buffer(), ast_str_make_space(), ast_str_size(), ast_str_strlen(), ast_str_update(), blacklist_read(), and str.

00074 {
00075    /* 2 bytes is a single integer, plus terminating null */
00076    if (ast_str_size(*str) - ast_str_strlen(*str) < 2) {
00077       if (len > ast_str_size(*str) || len == 0) {
00078          ast_str_make_space(str, len ? len : ast_str_strlen(*str) + 2);
00079       }
00080    }
00081    if (ast_str_size(*str) - ast_str_strlen(*str) >= 2) {
00082       int res = blacklist_read(chan, cmd, data, ast_str_buffer(*str) + ast_str_strlen(*str), 2);
00083       ast_str_update(*str);
00084       return res;
00085    }
00086    return -1;
00087 }

static int load_module ( void   )  [static]

Definition at line 100 of file func_blacklist.c.

References ast_custom_function_register, and blacklist_function.

00101 {
00102    return ast_custom_function_register(&blacklist_function);
00103 }

static int unload_module ( void   )  [static]

Definition at line 95 of file func_blacklist.c.

References ast_custom_function_unregister(), and blacklist_function.

00096 {
00097    return ast_custom_function_unregister(&blacklist_function);
00098 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Look up Caller*ID name/number from blacklist database" , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static]

Definition at line 105 of file func_blacklist.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 105 of file func_blacklist.c.

struct ast_custom_function blacklist_function [static]

Initial value:

 {
   .name = "BLACKLIST",
   .read = blacklist_read,
   .read2 = blacklist_read2,
}

Definition at line 89 of file func_blacklist.c.

Referenced by load_module(), and unload_module().


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