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Don't reject multiple genuine links from the same host

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This commit is contained in:
Neil Alexander 2022-10-22 16:59:25 +01:00
parent d66b3ffb7a
commit 8fe1c41295
3 changed files with 14 additions and 15 deletions
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3
src/core/link.go
View File

@ -320,9 +320,6 @@ func (intf *link) close() error {
} }
func linkInfoFor(linkType, sintf, remote string) linkInfo { func linkInfoFor(linkType, sintf, remote string) linkInfo {
if h, _, err := net.SplitHostPort(remote); err == nil {
remote = h
}
return linkInfo{ return linkInfo{
linkType: linkType, linkType: linkType,
local: sintf, local: sintf,

13
src/core/link_tcp.go
View File

@ -31,14 +31,14 @@ func (l *links) newLinkTCP() *linkTCP {
} }
func (l *linkTCP) dial(url *url.URL, options linkOptions, sintf string) error { func (l *linkTCP) dial(url *url.URL, options linkOptions, sintf string) error {
info := linkInfoFor("tcp", sintf, strings.SplitN(url.Host, "%", 2)[0])
if l.links.isConnectedTo(info) {
return nil
}
addr, err := net.ResolveTCPAddr("tcp", url.Host) addr, err := net.ResolveTCPAddr("tcp", url.Host)
if err != nil { if err != nil {
return err return err
} }
info := linkInfoFor("tcp", sintf, addr.String())
if l.links.isConnectedTo(info) {
return nil
}
dialer, err := l.dialerFor(addr, sintf) dialer, err := l.dialerFor(addr, sintf)
if err != nil { if err != nil {
return err return err
@ -47,7 +47,8 @@ func (l *linkTCP) dial(url *url.URL, options linkOptions, sintf string) error {
if err != nil { if err != nil {
return err return err
} }
return l.handler(url.String(), info, conn, options, false, false) uri := strings.TrimRight(strings.SplitN(url.String(), "?", 2)[0], "/")
return l.handler(uri, info, conn, options, false, false)
} }
func (l *linkTCP) listen(url *url.URL, sintf string) (*Listener, error) { func (l *linkTCP) listen(url *url.URL, sintf string) (*Listener, error) {
@ -83,7 +84,7 @@ func (l *linkTCP) listen(url *url.URL, sintf string) (*Listener, error) {
} }
addr := conn.RemoteAddr().(*net.TCPAddr) addr := conn.RemoteAddr().(*net.TCPAddr)
name := fmt.Sprintf("tcp://%s", addr) name := fmt.Sprintf("tcp://%s", addr)
info := linkInfoFor("tcp", sintf, strings.SplitN(addr.IP.String(), "%", 2)[0]) info := linkInfoFor("tcp", sintf, addr.String())
if err = l.handler(name, info, conn, linkOptions{}, true, addr.IP.IsLinkLocalUnicast()); err != nil { if err = l.handler(name, info, conn, linkOptions{}, true, addr.IP.IsLinkLocalUnicast()); err != nil {
l.core.log.Errorln("Failed to create inbound link:", err) l.core.log.Errorln("Failed to create inbound link:", err)
} }

13
src/core/link_tls.go
View File

@ -47,14 +47,14 @@ func (l *links) newLinkTLS(tcp *linkTCP) *linkTLS {
} }
func (l *linkTLS) dial(url *url.URL, options linkOptions, sintf, sni string) error { func (l *linkTLS) dial(url *url.URL, options linkOptions, sintf, sni string) error {
info := linkInfoFor("tls", sintf, strings.SplitN(url.Host, "%", 2)[0])
if l.links.isConnectedTo(info) {
return nil
}
addr, err := net.ResolveTCPAddr("tcp", url.Host) addr, err := net.ResolveTCPAddr("tcp", url.Host)
if err != nil { if err != nil {
return err return err
} }
info := linkInfoFor("tls", sintf, addr.String())
if l.links.isConnectedTo(info) {
return nil
}
dialer, err := l.tcp.dialerFor(addr, sintf) dialer, err := l.tcp.dialerFor(addr, sintf)
if err != nil { if err != nil {
return err return err
@ -69,7 +69,8 @@ func (l *linkTLS) dial(url *url.URL, options linkOptions, sintf, sni string) err
if err != nil { if err != nil {
return err return err
} }
return l.handler(url.String(), info, conn, options, false, false) uri := strings.TrimRight(strings.SplitN(url.String(), "?", 2)[0], "/")
return l.handler(uri, info, conn, options, false, false)
} }
func (l *linkTLS) listen(url *url.URL, sintf string) (*Listener, error) { func (l *linkTLS) listen(url *url.URL, sintf string) (*Listener, error) {
@ -106,7 +107,7 @@ func (l *linkTLS) listen(url *url.URL, sintf string) (*Listener, error) {
} }
addr := conn.RemoteAddr().(*net.TCPAddr) addr := conn.RemoteAddr().(*net.TCPAddr)
name := fmt.Sprintf("tls://%s", addr) name := fmt.Sprintf("tls://%s", addr)
info := linkInfoFor("tls", sintf, strings.SplitN(addr.IP.String(), "%", 2)[0]) info := linkInfoFor("tls", sintf, addr.String())
if err = l.handler(name, info, conn, linkOptions{}, true, addr.IP.IsLinkLocalUnicast()); err != nil { if err = l.handler(name, info, conn, linkOptions{}, true, addr.IP.IsLinkLocalUnicast()); err != nil {
l.core.log.Errorln("Failed to create inbound link:", err) l.core.log.Errorln("Failed to create inbound link:", err)
} }