puppeth: handle encrypted ssh keys (closes #15442) (#15443)

* cmd/puppeth: handle encrypted ssh keys

* cmd/puppeth: fix unconvert linter error

vendor/golang.org/x/sys/unix/zptracemips_linux.go

@@ -0,0 +1,50 @@
+// Code generated by linux/mkall.go generatePtracePair(mips, mips64). DO NOT EDIT.
+
+// +build linux
+// +build mips mips64
+
+package unix
+
+import "unsafe"
+
+// PtraceRegsMips is the registers used by mips binaries.
+type PtraceRegsMips struct {
+	Regs     [32]uint64
+	Lo       uint64
+	Hi       uint64
+	Epc      uint64
+	Badvaddr uint64
+	Status   uint64
+	Cause    uint64
+}
+
+// PtraceGetRegsMips fetches the registers used by mips binaries.
+func PtraceGetRegsMips(pid int, regsout *PtraceRegsMips) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegsMips sets the registers used by mips binaries.
+func PtraceSetRegsMips(pid int, regs *PtraceRegsMips) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}
+
+// PtraceRegsMips64 is the registers used by mips64 binaries.
+type PtraceRegsMips64 struct {
+	Regs     [32]uint64
+	Lo       uint64
+	Hi       uint64
+	Epc      uint64
+	Badvaddr uint64
+	Status   uint64
+	Cause    uint64
+}
+
+// PtraceGetRegsMips64 fetches the registers used by mips64 binaries.
+func PtraceGetRegsMips64(pid int, regsout *PtraceRegsMips64) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegsMips64 sets the registers used by mips64 binaries.
+func PtraceSetRegsMips64(pid int, regs *PtraceRegsMips64) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}