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fbe0dfaf44
(closes issue ASTERISK-23391) Reported by: Corey Farrell Review: https://reviewboard.asterisk.org/r/3386/ ........ Merged revisions 411313 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 411314 from http://svn.asterisk.org/svn/asterisk/branches/11 ........ Merged revisions 411315 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@411328 65c4cc65-6c06-0410-ace0-fbb531ad65f3
115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Function to lookup the callerid number, and see if it is blacklisted
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup functions
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*
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/astdb.h"
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/*** DOCUMENTATION
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<function name="BLACKLIST" language="en_US">
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<synopsis>
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Check if the callerid is on the blacklist.
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</synopsis>
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<syntax />
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<description>
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<para>Uses astdb to check if the Caller*ID is in family <literal>blacklist</literal>.
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Returns <literal>1</literal> or <literal>0</literal>.</para>
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</description>
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<see-also>
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<ref type="function">DB</ref>
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</see-also>
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</function>
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***/
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static int blacklist_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
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{
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char blacklist[1];
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int bl = 0;
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if (!chan) {
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ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
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return -1;
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}
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if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
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if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.number.str, blacklist, sizeof (blacklist)))
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bl = 1;
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}
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if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
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if (!ast_db_get("blacklist", ast_channel_caller(chan)->id.name.str, blacklist, sizeof (blacklist)))
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bl = 1;
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}
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snprintf(buf, len, "%d", bl);
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return 0;
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}
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static int blacklist_read2(struct ast_channel *chan, const char *cmd, char *data, struct ast_str **str, ssize_t len)
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{
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/* 2 bytes is a single integer, plus terminating null */
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if (ast_str_size(*str) - ast_str_strlen(*str) < 2) {
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if (len > ast_str_size(*str) || len == 0) {
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ast_str_make_space(str, len ? len : ast_str_strlen(*str) + 2);
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}
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}
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if (ast_str_size(*str) - ast_str_strlen(*str) >= 2) {
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int res = blacklist_read(chan, cmd, data, ast_str_buffer(*str) + ast_str_strlen(*str), 2);
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ast_str_update(*str);
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return res;
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}
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return -1;
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}
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static struct ast_custom_function blacklist_function = {
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.name = "BLACKLIST",
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.read = blacklist_read,
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.read2 = blacklist_read2,
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};
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static int unload_module(void)
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{
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return ast_custom_function_unregister(&blacklist_function);
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}
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static int load_module(void)
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{
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return ast_custom_function_register(&blacklist_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Look up Caller*ID name/number from blacklist database");
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