/* * Asterisk -- An open source telephony toolkit. * * Copyright (C) 2019, Alexei Gradinari * * Alexei Gradinari <alex2grad@gmail.com> * * See http://www.asterisk.org for more information about * the Asterisk project. Please do not directly contact * any of the maintainers of this project for assistance; * the project provides a web site, mailing lists and IRC * channels for your use. * * This program is free software, distributed under the terms of * the GNU General Public License Version 2. See the LICENSE file * at the top of the source tree. */ /*! \file * * \brief Blind transfer by caller channel * * \author Alexei Gradinari <alex2grad@gmail.com> * * \ingroup applications */ /*** MODULEINFO <support_level>extended</support_level> ***/ #include "asterisk.h" #include "asterisk/pbx.h" #include "asterisk/module.h" #include "asterisk/app.h" #include "asterisk/channel.h" #include "asterisk/bridge.h" /*** DOCUMENTATION <application name="BlindTransfer" language="en_US"> <since> <version>13.28.0</version> <version>16.5.0</version> </since> <synopsis> Blind transfer channel(s) to the extension and context provided </synopsis> <syntax> <parameter name="exten" required="true"> <para>Specify extension.</para> </parameter> <parameter name="context"> <para>Optionally specify a context. By default, Asterisk will use the caller channel context.</para> </parameter> </syntax> <description> <para>Redirect all channels currently bridged to the caller channel to the specified destination.</para> <para>The result of the application will be reported in the <variable>BLINDTRANSFERSTATUS</variable> channel variable:</para> <variablelist> <variable name="BLINDTRANSFERSTATUS"> <value name="SUCCESS"> Transfer succeeded. </value> <value name="FAILURE"> Transfer failed. </value> <value name="INVALID"> Transfer invalid. </value> <value name="NOTPERMITTED"> Transfer not permitted. </value> </variable> </variablelist> </description> </application> ***/ static const char * const app = "BlindTransfer"; static int blind_transfer_exec(struct ast_channel *chan, const char *data) { char *exten = NULL; char *context = NULL; char *parse; AST_DECLARE_APP_ARGS(args, AST_APP_ARG(exten); AST_APP_ARG(context); ); if (ast_strlen_zero((char *)data)) { ast_log(LOG_WARNING, "%s requires an argument (exten)\n", app); pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE"); return 0; } parse = ast_strdupa(data); AST_STANDARD_APP_ARGS(args, parse); exten = args.exten; if (ast_strlen_zero(args.context)) { context = (char *)ast_channel_context(chan); } else { context = args.context; } switch (ast_bridge_transfer_blind(1, chan, exten, context, NULL, NULL)) { case AST_BRIDGE_TRANSFER_NOT_PERMITTED: pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "NOTPERMITTED"); break; case AST_BRIDGE_TRANSFER_INVALID: pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "INVALID"); break; case AST_BRIDGE_TRANSFER_FAIL: pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE"); break; case AST_BRIDGE_TRANSFER_SUCCESS: pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "SUCCESS"); break; default: pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE"); } return 0; } static int unload_module(void) { return ast_unregister_application(app); } static int load_module(void) { return ast_register_application_xml(app, blind_transfer_exec); } AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Blind transfer channel to the given destination");