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rust-bitcoin-unsafe-fast
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Fix crash in Address::from_str if input isn't long enough

This commit is contained in:
Matt Corallo 2018-03-20 15:37:08 -04:00
parent 8ae711ce0f
commit 855b377d51
1 changed files with 3 additions and 2 deletions
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5
src/util/address.rs
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@ -241,8 +241,9 @@ impl FromStr for Address {
fn from_str(s: &str) -> Result<Address, Error> {
// bech32 (note that upper or lowercase is allowed but NOT mixed case)
if &s.as_bytes()[0..3] == b"bc1" || &s.as_bytes()[0..3] == b"tb1" ||
&s.as_bytes()[0..3] == b"BC1" || &s.as_bytes()[0..3] == b"TB1" {
if s.len() >= 3 &&
(&s.as_bytes()[0..3] == b"bc1" || &s.as_bytes()[0..3] == b"tb1" ||
&s.as_bytes()[0..3] == b"BC1" || &s.as_bytes()[0..3] == b"TB1") {
let witprog = try!(WitnessProgram::from_address(s));
let network = match witprog.network() {
bitcoin_bech32::constants::Network::Bitcoin => Network::Bitcoin,