From 8ea559e6a757039b40d01fbee45b3866839df230 Mon Sep 17 00:00:00 2001 From: Vsevolod Stakhov Date: Thu, 2 Jul 2020 16:51:01 +0100 Subject: [PATCH] [Minor] Add more sanity checks --- rules/bitcoin.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/rules/bitcoin.lua b/rules/bitcoin.lua index e674795a39..a9e78a1c4c 100644 --- a/rules/bitcoin.lua +++ b/rules/bitcoin.lua @@ -147,7 +147,7 @@ local function is_segwit_bech32_address(word) local rspamd_util = require 'rspamd_util' local decoded = rspamd_util.decode_base32(word:lower(), 'bleach') - if decoded then + if decoded and #decoded > 0 then local bytes = decoded:bytes() -- The version byte’s most signficant bit is reserved and must be 0. @@ -156,7 +156,7 @@ local function is_segwit_bech32_address(word) local addr_type = bit.rshift(bit.band(bytes[1], 120), 3) local _ = bit.band(bytes[1], 7) -- hash size - if version == 0 and (addr_type == 0 or addr_type == 8)then + if version == 0 and (addr_type == 0 or addr_type == 8) then -- TODO: Add checksum validation some day return true -- 2.47.3