/
command.go
68 lines (58 loc) · 1.55 KB
/
command.go
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/*
guest-file-chmod - set file mode
Example:
{ "execute": "guest-file-chmod", "arguments": {
"mode": int // required, file mode
"path": string // optional, file path
"handle": int // optional, file handle
}
}
*/
package guest_file_chmod
import (
"encoding/json"
"fmt"
"os"
"github.com/vtolstov/qemu-ga/qga"
)
func init() {
qga.RegisterCommand(&qga.Command{
Name: "guest-file-chmod",
Func: fnGuestFileChmod,
Enabled: true,
Arguments: true,
})
}
func fnGuestFileChmod(req *qga.Request) *qga.Response {
res := &qga.Response{Id: req.Id}
reqData := struct {
Mode int `json:"mode"`
Handle int `json:"handle,omitempty"`
Path string `json:"path,omitempty"`
}{}
err := json.Unmarshal(req.RawArgs, &reqData)
if err != nil {
res.Error = &qga.Error{Code: -1, Desc: err.Error()}
return res
}
if reqData.Path == "" && reqData.Handle == 0 {
res.Error = &qga.Error{Code: -1, Desc: fmt.Sprintf("either path or handle must be non empty")}
return res
}
switch {
case reqData.Path != "":
if err = os.Chmod(reqData.Path, os.FileMode(reqData.Mode)); err != nil {
res.Error = &qga.Error{Code: -1, Desc: err.Error()}
}
case reqData.Handle != 0:
if iface, ok := qga.StoreGet("guest-file", reqData.Handle); ok {
f := iface.(*os.File)
if err = f.Chmod(os.FileMode(reqData.Mode)); err != nil {
res.Error = &qga.Error{Code: -1, Desc: err.Error()}
}
} else {
res.Error = &qga.Error{Code: -1, Desc: fmt.Sprintf("file handle not found")}
}
}
return res
}