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"

Include dependency graph for func_blacklist.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (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 = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const struct ast_module_info *	ast_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 marks.nosp@m.ter@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

Definition in file func_blacklist.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 112 of file func_blacklist.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 112 of file func_blacklist.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 112 of file func_blacklist.c.

blacklist_read()

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

static

Definition at line 57 of file func_blacklist.c.

{
    char blacklist[1];
    int bl = 0;
 
    if (!chan) {
        ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
        return -1;
    }
 
    if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
        if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.number.str, blacklist, sizeof (blacklist)))
            bl = 1;
    }
    if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
        if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.name.str, blacklist, sizeof (blacklist)))
            bl = 1;
    }
 
    snprintf(buf, len, "%d", bl);
    return 0;
}

References ast_channel_caller(), ast_db_get(), ast_log, buf, len(), LOG_WARNING, and name.

Referenced by blacklist_read2().

blacklist_read2()

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

static

Definition at line 80 of file func_blacklist.c.

{
    /* 2 bytes is a single integer, plus terminating null */
    if (ast_str_size(*str) - ast_str_strlen(*str) < 2) {
        if (len > ast_str_size(*str) || len == 0) {
            ast_str_make_space(str, len ? len : ast_str_strlen(*str) + 2);
        }
    }
    if (ast_str_size(*str) - ast_str_strlen(*str) >= 2) {
        int res = blacklist_read(chan, cmd, data, ast_str_buffer(*str) + ast_str_strlen(*str), 2);
        ast_str_update(*str);
        return res;
    }
    return -1;
}

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

load_module()

static int load_module ( void  )

static

Definition at line 107 of file func_blacklist.c.

{
    return ast_custom_function_register(&blacklist_function);
}

References ast_custom_function_register, and blacklist_function.

unload_module()

static int unload_module ( void  )

static

Definition at line 102 of file func_blacklist.c.

{
    return ast_custom_function_unregister(&blacklist_function);
}

References ast_custom_function_unregister(), and blacklist_function.

Variable Documentation

__mod_info

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 = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 112 of file func_blacklist.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 112 of file func_blacklist.c.

blacklist_function

struct ast_custom_function blacklist_function

static

Initial value:

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

Definition at line 96 of file func_blacklist.c.

Referenced by load_module(), and unload_module().