71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package station
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import (
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"bytes"
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jsonv2 "encoding/json/v2"
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"golang.org/x/sys/unix"
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)
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// SoftwareName and SoftwareVersion are the identity sent to the reflector
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// after login. Edit them here.
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const (
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SoftwareName = "funknetz"
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SoftwareVersion = "1.0.0"
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)
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type softwareIdentity struct {
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SW string `json:"sw"`
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SWVer string `json:"swVer"`
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ProjVer string `json:"projVer"`
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MachineArch string `json:"machineArch,omitzero"`
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}
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func softwareIdentityBody() ([]byte, error) {
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raw, err := marshalIdentity(false)
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if err != nil {
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return nil, err
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}
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return appendString(nil, string(raw)), nil
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}
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func identityV3(iv, key []byte) ([]byte, error) {
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raw, err := marshalIdentity(true)
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if err != nil {
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return nil, err
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}
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body := appendBlob(nil, iv)
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body = appendBlob(body, key)
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return appendString(body, string(raw)), nil
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}
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func marshalIdentity(arch bool) ([]byte, error) {
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info := softwareIdentity{
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SW: SoftwareName,
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SWVer: SoftwareVersion,
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ProjVer: SoftwareVersion,
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}
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if arch {
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if name, ok := MachineArch(); ok {
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info.MachineArch = name
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}
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}
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return jsonv2.Marshal(info)
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}
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// MachineArch is the hardware name from uname, when it can be read.
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func MachineArch() (string, bool) {
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var u unix.Utsname
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if err := unix.Uname(&u); err != nil {
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return "", false
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}
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b := u.Machine[:]
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if i := bytes.IndexByte(b, 0); i >= 0 {
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b = b[:i]
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}
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if len(b) == 0 {
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return "", false
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}
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return string(b), true
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}
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