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https://github.com/signalwire/freeswitch.git
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[core] Use switch_stun_ipv6_t for STUN IPv6 write paths. (#3037)
Route IPv6 writes in `switch_stun_packet_attribute_add_binded_address` and `switch_stun_packet_attribute_add_xor_binded_address` through `switch_stun_ipv6_t` (16-byte `address[]`) instead of `switch_stun_ip_t` (4-byte `uint32_t address`). Add IPv4/IPv6 unit tests for both encoders. Co-authored-by: Andrey Volk <andywolk@gmail.com>
This commit is contained in:
Dmitry Verenitsin
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GitHub
GitHub
parent
9da537a19f
commit
bf9c95e890
@@ -3,6 +3,7 @@ include $(top_srcdir)/build/modmake.rulesam
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noinst_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils switch_core switch_console switch_vpx switch_core_file \
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switch_ivr_play_say switch_core_codec switch_rtp switch_xml
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noinst_PROGRAMS += switch_core_video switch_core_db switch_vad switch_packetizer switch_core_session test_sofia switch_ivr_async switch_core_asr switch_log
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noinst_PROGRAMS += switch_stun
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noinst_PROGRAMS += test_tts_format
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noinst_PROGRAMS+= switch_hold switch_sip
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@@ -0,0 +1,73 @@
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<?xml version="1.0"?>
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<document type="freeswitch/xml">
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<X-PRE-PROCESS cmd="exec-set" data="test=echo 1234"/>
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<X-PRE-PROCESS cmd="set" data="default_password=$${test}"/>
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<X-PRE-PROCESS cmd="set" data="core_video_blank_image=$${conf_dir}/freeswitch-logo.png"/>
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<section name="configuration" description="Various Configuration">
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<configuration name="modules.conf" description="Modules">
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<modules>
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<load module="mod_console"/>
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<load module="mod_loopback"/>
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<load module="mod_commands"/>
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<load module="mod_sndfile"/>
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<load module="mod_dptools"/>
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<load module="mod_tone_stream"/>
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<load module="mod_test"/>
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<load module="mod_opus"/>
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</modules>
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</configuration>
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<configuration name="console.conf" description="Console Logger">
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<mappings>
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<map name="all" value="console,debug,info,notice,warning,err,crit,alert"/>
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</mappings>
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<settings>
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<param name="colorize" value="true"/>
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<param name="loglevel" value="debug"/>
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</settings>
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</configuration>
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<configuration name="switch.conf" description="Core Configuration">
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<default-ptimes>
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</default-ptimes>
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<settings>
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<param name="colorize-console" value="false"/>
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<param name="dialplan-timestamps" value="false"/>
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<param name="loglevel" value="debug"/>
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<param name="rtp-start-port" value="1234"/>
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<param name="rtp-end-port" value="1234"/>
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</settings>
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</configuration>
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<configuration name="timezones.conf" description="Timezones">
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<timezones>
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<zone name="GMT" value="GMT0" />
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</timezones>
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</configuration>
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</section>
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<section name="dialplan" description="Regex/XML Dialplan">
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<context name="test">
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<extension>
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<condition field="${sip_h_X-COUNTDOWN}" expression="^0$" break="on-true">
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<action application="answer"/>
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<action application="playback" data="tone_stream://%(251,0,1004);loops=-1"/>
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</condition>
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<condition field="${sip_h_X-COUNTDOWN}" expression="^(\d+)$" break="never">
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<action application="export" data="_nolocal_sip_h_X-COUNTDOWN=${expr($1 - 1)}"/>
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<anti-action application="export" data="_nolocal_sip_h_X-COUNTDOWN=10"/>
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</condition>
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<condition>
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<action application="bridge" data="sofia/test/1234@127.0.0.1"/>
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</condition>
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</extension>
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</context>
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</section>
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</document>
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@@ -0,0 +1,172 @@
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2026, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthm@freeswitch.org>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dmitry Verenitsin <morbit85@gmail.com>
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*
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* switch_stun.c -- tests STUN (https://www.rfc-editor.org/rfc/rfc5389).
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*/
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#include <switch.h>
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#include <switch_stun.h>
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#include <test/switch_test.h>
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FST_CORE_BEGIN("./conf_stun")
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{
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FST_SUITE_BEGIN(switch_stun)
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{
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FST_SETUP_BEGIN()
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{
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}
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FST_SETUP_END()
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FST_TEARDOWN_BEGIN()
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{
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}
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FST_TEARDOWN_END()
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FST_TEST_BEGIN(test_stun_add_binded_address_ipv6)
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{
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/*
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* Encode an IPv6 XOR-MAPPED-ADDRESS attribute and verify the
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* attribute type, length, address family, and the raw 16-byte
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* address payload at its expected offset inside the value.
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*/
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uint8_t buf[512];
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switch_stun_packet_t *packet;
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switch_stun_packet_attribute_t *attr;
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const char *ipv6_str = "2001:db8::dead:beef";
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uint8_t expected[16];
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uint8_t *value_bytes;
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memset(buf, 0, sizeof(buf));
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packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_RESPONSE, NULL, buf);
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fst_xcheck(inet_pton(AF_INET6, ipv6_str, expected) == 1, "test IPv6 literal parses");
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switch_stun_packet_attribute_add_binded_address(packet, (char *)ipv6_str, 12345, AF_INET6);
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attr = (switch_stun_packet_attribute_t *)packet->first_attribute;
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fst_xcheck(ntohs(attr->type) == SWITCH_STUN_ATTR_XOR_MAPPED_ADDRESS, "attribute type is XOR_MAPPED_ADDRESS");
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fst_xcheck(ntohs(attr->length) == 20, "attribute length is 20 for IPv6");
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/* Attribute value layout: wasted(1) + family(1) + port(2) + address(16). */
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value_bytes = (uint8_t *)attr->value;
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fst_xcheck(value_bytes[1] == 2, "attribute family byte is 2 for IPv6");
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fst_xcheck(memcmp(value_bytes + 4, expected, 16) == 0, "16-byte IPv6 address written at offset 4 of attribute value");
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}
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FST_TEST_END()
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FST_TEST_BEGIN(test_stun_add_xor_binded_address_ipv6)
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{
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/*
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* Encode then decode an IPv6 XOR-MAPPED-ADDRESS attribute and
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* confirm the round-trip recovers the original IPv6 string —
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* the write path must XOR the address with the transaction ID
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* symmetrically to the read path.
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*/
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uint8_t buf[512];
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switch_stun_packet_t *packet;
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switch_stun_packet_attribute_t *attr;
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const char *ipv6_str = "2001:db8::dead:beef";
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char out_ip[64] = { 0 };
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uint16_t out_port = 0;
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memset(buf, 0, sizeof(buf));
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packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_RESPONSE, NULL, buf);
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switch_stun_packet_attribute_add_xor_binded_address(packet, (char *)ipv6_str, 12345, AF_INET6);
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attr = (switch_stun_packet_attribute_t *)packet->first_attribute;
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fst_xcheck(ntohs(attr->type) == SWITCH_STUN_ATTR_XOR_MAPPED_ADDRESS, "attribute type is XOR_MAPPED_ADDRESS");
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fst_xcheck(ntohs(attr->length) == 20, "attribute length is 20 for IPv6");
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switch_stun_packet_attribute_get_xor_mapped_address(attr, &packet->header, out_ip, sizeof(out_ip), &out_port);
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fst_check_string_equals(out_ip, ipv6_str);
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}
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FST_TEST_END()
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FST_TEST_BEGIN(test_stun_add_binded_address_ipv4)
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{
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/*
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* Encode an IPv4 XOR-MAPPED-ADDRESS attribute and verify the
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* attribute type, length, address family, and the raw 4-byte
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* address payload at its expected offset inside the value.
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*/
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uint8_t buf[512];
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switch_stun_packet_t *packet;
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switch_stun_packet_attribute_t *attr;
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const char *ipv4_str = "192.0.2.42";
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uint8_t expected[4];
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uint8_t *value_bytes;
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memset(buf, 0, sizeof(buf));
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packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_RESPONSE, NULL, buf);
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fst_xcheck(inet_pton(AF_INET, ipv4_str, expected) == 1, "test IPv4 literal parses");
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switch_stun_packet_attribute_add_binded_address(packet, (char *)ipv4_str, 12345, AF_INET);
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attr = (switch_stun_packet_attribute_t *)packet->first_attribute;
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fst_xcheck(ntohs(attr->type) == SWITCH_STUN_ATTR_XOR_MAPPED_ADDRESS, "attribute type is XOR_MAPPED_ADDRESS");
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fst_xcheck(ntohs(attr->length) == 8, "attribute length is 8 for IPv4");
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/* Attribute value layout: wasted(1) + family(1) + port(2) + address(4). */
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value_bytes = (uint8_t *)attr->value;
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fst_xcheck(value_bytes[1] == 1, "attribute family byte is 1 for IPv4");
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fst_xcheck(memcmp(value_bytes + 4, expected, 4) == 0, "4-byte IPv4 address written at offset 4 of attribute value");
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}
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FST_TEST_END()
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FST_TEST_BEGIN(test_stun_add_xor_binded_address_ipv4)
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{
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/*
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* Encode then decode an IPv4 XOR-MAPPED-ADDRESS attribute and
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* confirm the round-trip recovers the original IPv4 string —
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* the write path must XOR the address with the magic cookie
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* symmetrically to the read path.
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*/
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uint8_t buf[512];
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switch_stun_packet_t *packet;
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switch_stun_packet_attribute_t *attr;
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const char *ipv4_str = "192.0.2.42";
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char out_ip[64] = { 0 };
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uint16_t out_port = 0;
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memset(buf, 0, sizeof(buf));
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packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_RESPONSE, NULL, buf);
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switch_stun_packet_attribute_add_xor_binded_address(packet, (char *)ipv4_str, 12345, AF_INET);
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attr = (switch_stun_packet_attribute_t *)packet->first_attribute;
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fst_xcheck(ntohs(attr->type) == SWITCH_STUN_ATTR_XOR_MAPPED_ADDRESS, "attribute type is XOR_MAPPED_ADDRESS");
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fst_xcheck(ntohs(attr->length) == 8, "attribute length is 8 for IPv4");
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switch_stun_packet_attribute_get_xor_mapped_address(attr, &packet->header, out_ip, sizeof(out_ip), &out_port);
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fst_check_string_equals(out_ip, ipv4_str);
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}
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FST_TEST_END()
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}
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FST_SUITE_END()
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}
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FST_CORE_END()
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