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Refine udp header checking

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Max Lv
2018-01-12 10:15:24 +08:00
parent 87e4bece84
commit 1d94442546
1 changed files with 6 additions and 0 deletions
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src/udprelay.c
+6
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@@ -732,6 +732,12 @@ remote_recv_cb(EV_P_ ev_io *w, int revents)
goto CLEAN_UP;
}
if (remote_ctx->addr_header_len != len
|| memcmp(buf->data, remote_ctx->addr_header, len) != 0) {
LOGI("[udp] mismatched header");
goto CLEAN_UP;
}
// server may return using a different address type other than the type we
// have used during sending
#if defined(MODULE_TUNNEL) || defined(MODULE_REDIR)