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Use different padding to better catch bugs

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This commit is contained in:
Frank Denis 2019-12-24 12:56:01 +01:00
parent 07088fd0a7
commit 595f809432
1 changed files with 1 additions and 1 deletions
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2
src/libdoh/src/dns.rs
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@ -244,7 +244,7 @@ pub fn add_edns_padding(packet: &mut Vec<u8>, block_size: usize) -> Result<(), E
};
ensure!(packet_len < DNS_MAX_PACKET_SIZE, "Large packet");
let pad_len = (block_size - 1) - ((packet_len + (block_size - 1)) & (block_size - 1));
let mut edns_padding_prr = vec![0u8; 2 + pad_len];
let mut edns_padding_prr = vec![b'X'; 2 + pad_len];
edns_padding_prr[0] = (DNS_PTYPE_PADDING >> 8) as u8;
edns_padding_prr[1] = DNS_PTYPE_PADDING as u8;
let edns_padding_prr_len = edns_padding_prr.len();