Commit 34d70030 authored by Steven Fackler's avatar Steven Fackler
Browse files

Clean up 1.0.1 hostname verification

parent 1867cf3a
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+14 −21
Original line number Diff line number Diff line
@@ -95,7 +95,7 @@ mod compat {
mod tests {
    use dh::Dh;
    use bn::BigNum;
    use ssl::{SslMethod, SslContext};
    use ssl::{SslContext, SslMethod};

    #[test]
    #[cfg(any(all(feature = "v102", ossl102), all(feature = "v110", ossl110)))]
@@ -113,30 +113,23 @@ mod tests {
    fn test_dh() {
        let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
        let p = BigNum::from_hex_str(
            "87A8E61DB4B6663CFFBBD19C651959998CEEF608660DD0F25D2CEED4435\
                                      E3B00E00DF8F1D61957D4FAF7DF4561B2AA3016C3D91134096FAA3BF429\
                                      6D830E9A7C209E0C6497517ABD5A8A9D306BCF67ED91F9E6725B4758C02\
                                      2E0B1EF4275BF7B6C5BFC11D45F9088B941F54EB1E59BB8BC39A0BF1230\
                                      7F5C4FDB70C581B23F76B63ACAE1CAA6B7902D52526735488A0EF13C6D9\
                                      A51BFA4AB3AD8347796524D8EF6A167B5A41825D967E144E5140564251C\
                                      CACB83E6B486F6B3CA3F7971506026C0B857F689962856DED4010ABD0BE\
                                      621C3A3960A54E710C375F26375D7014103A4B54330C198AF126116D227\
                                      6E11715F693877FAD7EF09CADB094AE91E1A1597",
            "87A8E61DB4B6663CFFBBD19C651959998CEEF608660DD0F25D2CEED4435E3B00E00DF8F1D61957D4FAF7DF\
             4561B2AA3016C3D91134096FAA3BF4296D830E9A7C209E0C6497517ABD5A8A9D306BCF67ED91F9E6725B47\
             58C022E0B1EF4275BF7B6C5BFC11D45F9088B941F54EB1E59BB8BC39A0BF12307F5C4FDB70C581B23F76B6\
             3ACAE1CAA6B7902D52526735488A0EF13C6D9A51BFA4AB3AD8347796524D8EF6A167B5A41825D967E144E5\
             140564251CCACB83E6B486F6B3CA3F7971506026C0B857F689962856DED4010ABD0BE621C3A3960A54E710\
             C375F26375D7014103A4B54330C198AF126116D2276E11715F693877FAD7EF09CADB094AE91E1A1597",
        ).unwrap();
        let g = BigNum::from_hex_str(
            "3FB32C9B73134D0B2E77506660EDBD484CA7B18F21EF205407F4793A1A0\
                                      BA12510DBC15077BE463FFF4FED4AAC0BB555BE3A6C1B0C6B47B1BC3773\
                                      BF7E8C6F62901228F8C28CBB18A55AE31341000A650196F931C77A57F2D\
                                      DF463E5E9EC144B777DE62AAAB8A8628AC376D282D6ED3864E67982428E\
                                      BC831D14348F6F2F9193B5045AF2767164E1DFC967C1FB3F2E55A4BD1BF\
                                      FE83B9C80D052B985D182EA0ADB2A3B7313D3FE14C8484B1E052588B9B7\
                                      D2BBD2DF016199ECD06E1557CD0915B3353BBB64E0EC377FD028370DF92\
                                      B52C7891428CDC67EB6184B523D1DB246C32F63078490F00EF8D647D148\
                                      D47954515E2327CFEF98C582664B4C0F6CC41659",
            "3FB32C9B73134D0B2E77506660EDBD484CA7B18F21EF205407F4793A1A0BA12510DBC15077BE463FFF4FED\
             4AAC0BB555BE3A6C1B0C6B47B1BC3773BF7E8C6F62901228F8C28CBB18A55AE31341000A650196F931C77A\
             57F2DDF463E5E9EC144B777DE62AAAB8A8628AC376D282D6ED3864E67982428EBC831D14348F6F2F9193B5\
             045AF2767164E1DFC967C1FB3F2E55A4BD1BFFE83B9C80D052B985D182EA0ADB2A3B7313D3FE14C8484B1E\
             052588B9B7D2BBD2DF016199ECD06E1557CD0915B3353BBB64E0EC377FD028370DF92B52C7891428CDC67E\
             B6184B523D1DB246C32F63078490F00EF8D647D148D47954515E2327CFEF98C582664B4C0F6CC41659",
        ).unwrap();
        let q = BigNum::from_hex_str(
            "8CF83642A709A097B447997640129DA299B1A47D1EB3750BA308B0FE64F\
                                      5FBD3",
            "8CF83642A709A097B447997640129DA299B1A47D1EB3750BA308B0FE64F5FBD3",
        ).unwrap();
        let dh = Dh::from_params(p, g, q).unwrap();
        ctx.set_tmp_dh(&dh).unwrap();
+6 −5
Original line number Diff line number Diff line
@@ -147,16 +147,17 @@ impl Pkcs12Builder {
        password: &str,
        friendly_name: &str,
        pkey: &PKeyRef,
        cert: &X509,
        cert: &X509, // FIXME X509Ref
    ) -> Result<Pkcs12, ErrorStack> {
        unsafe {
            let pass = CString::new(password).unwrap();
            let friendly_name = CString::new(friendly_name).unwrap();
            let pkey = pkey.as_ptr();
            let cert = cert.as_ptr();
            let ca = self.ca.as_ref().map(|ca| ca.as_ptr()).unwrap_or(
                ptr::null_mut(),
            );
            let ca = self.ca
                .as_ref()
                .map(|ca| ca.as_ptr())
                .unwrap_or(ptr::null_mut());
            let nid_key = self.nid_key.as_raw();
            let nid_cert = self.nid_cert.as_raw();

+23 −37
Original line number Diff line number Diff line
@@ -494,7 +494,7 @@ mod verify {
                }
                Err(_) => {
                    if let Some(pattern) = name.dnsname() {
                        if matches_dns(pattern, domain, false) {
                        if matches_dns(pattern, domain) {
                            return true;
                        }
                    }
@@ -506,26 +506,25 @@ mod verify {
    }

    fn verify_subject_name(domain: &str, subject_name: &X509NameRef) -> bool {
        if let Some(pattern) = subject_name.entries_by_nid(nid::COMMONNAME).next() {
        match subject_name.entries_by_nid(nid::COMMONNAME).next() {
            Some(pattern) => {
                let pattern = match str::from_utf8(pattern.data().as_slice()) {
                    Ok(pattern) => pattern,
                    Err(_) => return false,
                };

            // Unlike with SANs, IP addresses in the subject name don't have a
            // different encoding. We need to pass this down to matches_dns to
            // disallow wildcard matches with bogus patterns like *.0.0.1
            let is_ip = domain.parse::<IpAddr>().is_ok();

            if matches_dns(&pattern, domain, is_ip) {
                return true;
                // Unlike SANs, IP addresses in the subject name don't have a
                // different encoding.
                match domain.parse::<IpAddr>() {
                    Ok(ip) => pattern.parse::<IpAddr>().ok().map_or(false, |pattern| pattern == ip),
                    Err(_) => matches_dns(pattern, domain),
                }
            }

        false
            None => false,
        }
    }

    fn matches_dns(mut pattern: &str, mut hostname: &str, is_ip: bool) -> bool {
    fn matches_dns(mut pattern: &str, mut hostname: &str) -> bool {
        // first strip trailing . off of pattern and hostname to normalize
        if pattern.ends_with('.') {
            pattern = &pattern[..pattern.len() - 1];
@@ -534,12 +533,12 @@ mod verify {
            hostname = &hostname[..hostname.len() - 1];
        }

        matches_wildcard(pattern, hostname, is_ip).unwrap_or_else(|| pattern == hostname)
        matches_wildcard(pattern, hostname).unwrap_or_else(|| pattern == hostname)
    }

    fn matches_wildcard(pattern: &str, hostname: &str, is_ip: bool) -> Option<bool> {
        // IP addresses and internationalized domains can't involved in wildcards
        if is_ip || pattern.starts_with("xn--") {
    fn matches_wildcard(pattern: &str, hostname: &str) -> Option<bool> {
        // internationalized domains can't involved in wildcards
        if pattern.starts_with("xn--") {
            return None;
        }

@@ -601,22 +600,9 @@ mod verify {
    }

    fn matches_ip(expected: &IpAddr, actual: &[u8]) -> bool {
        match (expected, actual.len()) {
            (&IpAddr::V4(ref addr), 4) => actual == addr.octets(),
            (&IpAddr::V6(ref addr), 16) => {
                let segments = [
                    ((actual[0] as u16) << 8) | actual[1] as u16,
                    ((actual[2] as u16) << 8) | actual[3] as u16,
                    ((actual[4] as u16) << 8) | actual[5] as u16,
                    ((actual[6] as u16) << 8) | actual[7] as u16,
                    ((actual[8] as u16) << 8) | actual[9] as u16,
                    ((actual[10] as u16) << 8) | actual[11] as u16,
                    ((actual[12] as u16) << 8) | actual[13] as u16,
                    ((actual[14] as u16) << 8) | actual[15] as u16,
                ];
                segments == addr.segments()
            }
            _ => false,
        match *expected {
            IpAddr::V4(ref addr) => actual == addr.octets(),
            IpAddr::V6(ref addr) => actual == addr.octets(),
        }
    }
}