gfwleak/mesa-platform-quic
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TSG-7747: 调整SNI/UA的默认索引值

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This commit is contained in:
liuxueli
2021-09-13 15:05:07 +08:00
parent 72e835353c
commit 6bf86b1824
4 changed files with 33 additions and 5 deletions
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24
src/gquic_process.cpp
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@@ -691,6 +691,9 @@ int parse_extension_tag(struct streaminfo *pstream, struct _quic_stream **quic_s
stream->ext_tags=(quic_tlv_t *)dictator_malloc(pstream->threadnum, tag_num*sizeof(quic_tlv_t));
memset(stream->ext_tags, 0, tag_num*sizeof(quic_tlv_t));
*quic_stream=stream;
stream->sni_idx=0xFF;
stream->ver_idx=0xFF;
stream->ua_idx=0xFF;
}
else
{
@@ -700,6 +703,9 @@ int parse_extension_tag(struct streaminfo *pstream, struct _quic_stream **quic_s
*quic_stream=stream;
stream->ext_tag_num=0;
stream->count++;
stream->sni_idx=0xFF;
stream->ver_idx=0xFF;
stream->ua_idx=0xFF;
}
while(tag_num>tag_used_num)
@@ -1166,6 +1172,9 @@ int parse_encrypt_client_hello(struct streaminfo *pstream, struct _quic_stream *
quic_stream->ext_tags=(quic_tlv_t *)dictator_malloc(pstream->threadnum, sizeof(quic_tlv_t)*3);
memset(quic_stream->ext_tags, 0, sizeof(quic_tlv_t)*3);
quic_stream->sni_idx=0xFF;
quic_stream->ua_idx=0xFF;
quic_stream->ver_idx=0xFF;
while(extension_total_len>used_len)
{
@@ -1364,10 +1373,17 @@ int quic_protocol_identify(struct streaminfo *a_stream, void *a_packet, char *ou
{
if(_context->quic_info.client_hello!=NULL)
{
sni=(char *)(_context->quic_info.client_hello->ext_tags[_context->quic_info.client_hello->sni_idx].value);
sni_len=_context->quic_info.client_hello->ext_tags[_context->quic_info.client_hello->sni_idx].length;
len= sni_len>(out_sni_len-1) ? (out_sni_len-1) : sni_len;
memcpy(out_sni, sni, len);
if(_context->quic_info.client_hello->sni_idx!=0xFF)
{
sni=(char *)(_context->quic_info.client_hello->ext_tags[_context->quic_info.client_hello->sni_idx].value);
sni_len=_context->quic_info.client_hello->ext_tags[_context->quic_info.client_hello->sni_idx].length;
len= sni_len>(out_sni_len-1) ? (out_sni_len-1) : sni_len;
memcpy(out_sni, sni, len);
}
else
{
len=0;
}
}
else
{

BIN
test/pcap/gquic/43/2-gquic-043-without-sni-192.168.50.26.55209-34.102.215.99.443.pcap Normal file
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test/pcap/gquic/43/3-gquic-043-without-sni-192.168.50.26.60851-34.102.215.99.443.pcap Normal file
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14
test/pcap/gquic/43/quic_result.json
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@@ -1,6 +1,18 @@
[{
"Tuple4": "192.168.50.26.55209>34.102.215.99.443",
"VERSION": "Google QUIC 43",
"name": "QUIC_RESULT_1"
}, {
"Tuple4": "192.168.50.26.60851>34.102.215.99.443",
"VERSION": "Google QUIC 43",
"name": "QUIC_RESULT_2"
}, {
"Tuple4": "112.43.145.231.18699>112.46.25.216.443",
"VERSION": "Google QUIC 43",
"SNI": "client.weixin.qq.com",
"name": "QUIC_RESULT_1"
"name": "QUIC_RESULT_3"
}, {
"Tuple4": "192.168.50.26.63533>34.102.215.99.443",
"VERSION": "Google QUIC 43",
"name": "QUIC_RESULT_4"
}]