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Add sockstls:// (#1090)

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Closes #1087.

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
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Neil 2023-11-04 17:57:15 +00:00 • committed by GitHub
parent ddb75700a0
commit 93a5adfd18
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2 changed files with 28 additions and 18 deletions
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34
src/core/link.go
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@ -179,6 +179,22 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
}
options.password = []byte(p)
}
// SNI headers must contain hostnames and not IP addresses, so we must make sure
// that we do not populate the SNI with an IP literal. We do this by splitting
// the host-port combo from the query option and then seeing if it parses to an
// IP address successfully or not.
if sni := u.Query().Get("sni"); sni != "" {
if net.ParseIP(sni) == nil {
options.tlsSNI = sni
}
}
// If the SNI is not configured still because the above failed then we'll try
// again but this time we'll use the host part of the peering URI instead.
if options.tlsSNI == "" {
if host, _, err := net.SplitHostPort(u.Host); err == nil && net.ParseIP(host) == nil {
options.tlsSNI = host
}
}
// If we think we're already connected to this peer, load up
// the existing peer state. Try to kick the peer if possible,
@ -497,24 +513,8 @@ func (l *links) connect(ctx context.Context, u *url.URL, info linkInfo, options
case "tcp":
dialer = l.tcp
case "tls":
// SNI headers must contain hostnames and not IP addresses, so we must make sure
// that we do not populate the SNI with an IP literal. We do this by splitting
// the host-port combo from the query option and then seeing if it parses to an
// IP address successfully or not.
if sni := u.Query().Get("sni"); sni != "" {
if net.ParseIP(sni) == nil {
options.tlsSNI = sni
}
}
// If the SNI is not configured still because the above failed then we'll try
// again but this time we'll use the host part of the peering URI instead.
if options.tlsSNI == "" {
if host, _, err := net.SplitHostPort(u.Host); err == nil && net.ParseIP(host) == nil {
options.tlsSNI = host
}
}
dialer = l.tls
case "socks":
case "socks", "sockstls":
dialer = l.socks
case "unix":
dialer = l.unix