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https://origsvn.digium.com/svn/asterisk/branches/1.8 ................ r305923 | rmudgett | 2011-02-02 18:24:40 -0600 (Wed, 02 Feb 2011) | 24 lines Merged revisions 305889 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.6.2 ................ r305889 | rmudgett | 2011-02-02 18:15:07 -0600 (Wed, 02 Feb 2011) | 17 lines Merged revisions 305888 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r305888 | rmudgett | 2011-02-02 18:02:43 -0600 (Wed, 02 Feb 2011) | 8 lines Minor AST_FRAME_TEXT related issues. * Include the null terminator in the buffer length. When the frame is queued it is copied. If the null terminator is not part of the frame buffer length, the receiver could see garbage appended onto it. * Add channel lock protection with ast_sendtext(). * Fixed AMI SendText action ast_sendtext() return value check. ........ ................ ................ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@305939 65c4cc65-6c06-0410-ace0-fbb531ad65f3
120 lines
3.0 KiB
C
120 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 App to transmit a text message
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \note Requires support of sending text messages from channel driver
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*
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* \ingroup applications
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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/file.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/app.h"
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/*** DOCUMENTATION
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<application name="SendText" language="en_US">
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<synopsis>
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Send a Text Message.
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</synopsis>
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<syntax>
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<parameter name="text" required="true" />
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</syntax>
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<description>
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<para>Sends <replaceable>text</replaceable> to current channel (callee).</para>
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<para>Result of transmission will be stored in the <variable>SENDTEXTSTATUS</variable></para>
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<variablelist>
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<variable name="SENDTEXTSTATUS">
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<value name="SUCCESS">
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Transmission succeeded.
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</value>
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<value name="FAILURE">
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Transmission failed.
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</value>
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<value name="UNSUPPORTED">
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Text transmission not supported by channel.
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</value>
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</variable>
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</variablelist>
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<note><para>At this moment, text is supposed to be 7 bit ASCII in most channels.</para></note>
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</description>
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<see-also>
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<ref type="application">SendImage</ref>
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<ref type="application">SendURL</ref>
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</see-also>
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</application>
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***/
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static const char * const app = "SendText";
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static int sendtext_exec(struct ast_channel *chan, const char *data)
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{
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char *status = "UNSUPPORTED";
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struct ast_str *str;
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/* NOT ast_strlen_zero, because some protocols (e.g. SIP) MUST be able to
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* send a zero-length message. */
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if (!data) {
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ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
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return -1;
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}
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if (!(str = ast_str_alloca(strlen(data) + 1))) {
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return -1;
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}
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ast_str_get_encoded_str(&str, -1, data);
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ast_channel_lock(chan);
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if (!chan->tech->send_text) {
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ast_channel_unlock(chan);
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/* Does not support transport */
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pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
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return 0;
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}
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status = "FAILURE";
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if (!ast_sendtext(chan, ast_str_buffer(str))) {
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status = "SUCCESS";
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}
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ast_channel_unlock(chan);
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pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
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return 0;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application_xml(app, sendtext_exec);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send Text Applications");
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