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	This removes references that are no longer needed due to automatic references created by module dependencies. In addition this removes most calls to ast_module_check as they were checking modules which are listed as dependencies. Change-Id: I332a6e8383d4c72c8e89d988a184ab8320c4872e
		
			
				
	
	
		
			107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Asterisk -- An open source telephony toolkit.
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|  *
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|  * Copyright (C) 2015, Digium, Inc.
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|  *
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|  * Mark Michelson <mmichelson@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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| 
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| /*** MODULEINFO
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| 	<depend>pjproject</depend>
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| 	<depend>res_pjsip</depend>
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| 	<support_level>core</support_level>
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|  ***/
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| 
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| #include "asterisk.h"
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| 
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| #include <pjsip.h>
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| 
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| #include "asterisk/res_pjsip.h"
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| #include "asterisk/module.h"
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| 
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| /*!
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|  * \brief Upgrade Contact URIs on outgoing SIP requests to SIPS if required.
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|  *
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|  * The rules being used here are according to RFC 3261 section 8.1.1.8. In
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|  * brief, if the request URI is SIPS or the topmost Route header is SIPS,
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|  * then the Contact header we send must also be SIPS.
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|  */
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| static pj_status_t sips_contact_on_tx_request(pjsip_tx_data *tdata)
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| {
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| 	pjsip_contact_hdr *contact;
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| 	pjsip_route_hdr *route;
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| 	pjsip_sip_uri *contact_uri;
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| 
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| 	contact = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CONTACT, NULL);
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| 	if (!contact) {
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| 		return PJ_SUCCESS;
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| 	}
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| 
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| 	contact_uri = pjsip_uri_get_uri(contact->uri);
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| 	if (PJSIP_URI_SCHEME_IS_SIPS(contact_uri)) {
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| 		/* If the Contact header is already SIPS, then we don't need to do anything */
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| 		return PJ_SUCCESS;
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| 	}
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| 
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| 	if (PJSIP_URI_SCHEME_IS_SIPS(tdata->msg->line.req.uri)) {
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| 		ast_debug(1, "Upgrading contact URI on outgoing SIP request to SIPS due to SIPS Request URI\n");
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| 		pjsip_sip_uri_set_secure(contact_uri, PJ_TRUE);
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| 		return PJ_SUCCESS;
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| 	}
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| 
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| 	route = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_ROUTE, NULL);
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| 	if (!route) {
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| 		return PJ_SUCCESS;
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| 	}
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| 
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| 	if (!PJSIP_URI_SCHEME_IS_SIPS(&route->name_addr)) {
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| 		return PJ_SUCCESS;
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| 	}
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| 
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| 	/* Our Contact header is not a SIPS URI, but our topmost Route header is. */
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| 	ast_debug(1, "Upgrading contact URI on outgoing SIP request to SIPS due to SIPS Route header\n");
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| 	pjsip_sip_uri_set_secure(contact_uri, PJ_TRUE);
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| 
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| 	return PJ_SUCCESS;
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| }
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| 
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| static pjsip_module sips_contact_module = {
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| 	.name = {"SIPS Contact", 12 },
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| 	.id = -1,
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| 	.priority = PJSIP_MOD_PRIORITY_TSX_LAYER - 2,
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| 	.on_tx_request = sips_contact_on_tx_request,
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| };
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| 
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| static int unload_module(void)
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| {
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| 	ast_sip_unregister_service(&sips_contact_module);
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| 	return 0;
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| }
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| 
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| static int load_module(void)
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| {
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| 	if (ast_sip_register_service(&sips_contact_module)) {
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| 		return AST_MODULE_LOAD_DECLINE;
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| 	}
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| 
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| 	return AST_MODULE_LOAD_SUCCESS;
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| }
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| 
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| AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "UAC SIPS Contact support",
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| 	.support_level = AST_MODULE_SUPPORT_CORE,
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| 	.load = load_module,
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| 	.unload = unload_module,
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| 	.load_pri = AST_MODPRI_APP_DEPEND,
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| 	.requires = "res_pjsip",
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| );
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