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Merge branch 'master' into kcp-udp

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This commit is contained in:
Russ Magee 2019-08-22 23:31:36 -07:00
commit ce1adf7a07
3 changed files with 8 additions and 18 deletions
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2
Makefile
View file

@ -5,7 +5,7 @@
#endif #endif
GIT_COMMIT := $(shell git rev-list -1 HEAD) GIT_COMMIT := $(shell git rev-list -1 HEAD)
VERSION := 0.8.6 VERSION := 0.8.7
#ifeq ($(BUILDOPTS),) #ifeq ($(BUILDOPTS),)
BUILDOPTS :=$(BUILDOPTS)" -ldflags \"-X main.version=$(VERSION) -X main.gitCommit=$(GIT_COMMIT)\"" BUILDOPTS :=$(BUILDOPTS)" -ldflags \"-X main.version=$(VERSION) -X main.gitCommit=$(GIT_COMMIT)\""
#endif #endif

20
hkexnet/hkexnet.go
View file

@ -70,10 +70,9 @@ type (
// Conn is a connection wrapping net.Conn with KEX & session state // Conn is a connection wrapping net.Conn with KEX & session state
Conn struct { Conn struct {
kex KEXAlg // KEX/KEM proposal (client -> server) kex KEXAlg // KEX/KEM proposal (client -> server)
m *sync.Mutex // (internal) m *sync.Mutex // (internal)
c *net.Conn // which also implements io.Reader, io.Writer, ... c *net.Conn // which also implements io.Reader, io.Writer, ...
immClose bool
logCipherText bool // somewhat expensive, for debugging logCipherText bool // somewhat expensive, for debugging
logPlainText bool // INSECURE and somewhat expensive, for debugging logPlainText bool // INSECURE and somewhat expensive, for debugging
@ -139,10 +138,6 @@ func (hc *Conn) SetStatus(stat CSOType) {
log.Println("closeStat:", *hc.closeStat) log.Println("closeStat:", *hc.closeStat)
} }
func (hc *Conn) SetImmClose() {
hc.immClose = true
}
// ConnOpts returns the cipher/hmac options value, which is sent to the // ConnOpts returns the cipher/hmac options value, which is sent to the
// peer but is not itself part of the KEx. // peer but is not itself part of the KEx.
// //
@ -764,13 +759,7 @@ func (hc *Conn) Close() (err error) {
log.Printf("** Writing closeStat %d at Close()\n", *hc.closeStat) log.Printf("** Writing closeStat %d at Close()\n", *hc.closeStat)
//(*hc.c).SetWriteDeadline(time.Now().Add(500 * time.Millisecond)) //(*hc.c).SetWriteDeadline(time.Now().Add(500 * time.Millisecond))
hc.WritePacket(s, CSOExitStatus) hc.WritePacket(s, CSOExitStatus)
// This avoids a bug where server side may not get its last packet of err = (*hc.c).Close()
// data through to a client for non-interactive commands which exit
// immediately. Avoiding the immediate close lets the client close its
// side first.
if hc.immClose {
err = (*hc.c).Close()
}
logger.LogDebug(fmt.Sprintln("[Conn Closing]")) logger.LogDebug(fmt.Sprintln("[Conn Closing]"))
return return
} }
@ -1084,7 +1073,6 @@ func (hc Conn) Read(b []byte) (n int, err error) {
logger.LogDebug(fmt.Sprintln("[truncated payload, cannot determine CSOExitStatus]")) logger.LogDebug(fmt.Sprintln("[truncated payload, cannot determine CSOExitStatus]"))
hc.SetStatus(CSETruncCSO) hc.SetStatus(CSETruncCSO)
} }
hc.SetImmClose() // clients can immediately close their end
hc.Close() hc.Close()
} else if ctrlStatOp == CSOTunSetup { } else if ctrlStatOp == CSOTunSetup {
// server side tunnel setup in response to client // server side tunnel setup in response to client

4
hkexshd/hkexshd.go
View file

@ -406,7 +406,9 @@ func runShellAs(who, hname, ttype, cmd string, interactive bool, conn *hkexnet.C
// Background jobs still may be running; close the // Background jobs still may be running; close the
// pty anyway, so the client can return before // pty anyway, so the client can return before
// wg.Wait() below completes (Issue #18) // wg.Wait() below completes (Issue #18)
_ = ptmx.Close() if interactive {
_ = ptmx.Close()
}
} }
wg.Wait() // Wait on pty->stdout completion to client wg.Wait() // Wait on pty->stdout completion to client
} }