G01_0350/venv_win32/Lib/site-packages/win32/Demos/security/explicit_entries.py

import os
import win32security,win32file,win32api,ntsecuritycon,win32con
from security_enums import TRUSTEE_TYPE,TRUSTEE_FORM,ACE_FLAGS,ACCESS_MODE

fname = os.path.join(win32api.GetTempPath(), "win32security_test.txt")
f=open(fname, "w")
f.write("Hello from Python\n");
f.close()
print("Testing on file", fname)

new_privs = ((win32security.LookupPrivilegeValue('',ntsecuritycon.SE_SECURITY_NAME),win32con.SE_PRIVILEGE_ENABLED),
             (win32security.LookupPrivilegeValue('',ntsecuritycon.SE_SHUTDOWN_NAME),win32con.SE_PRIVILEGE_ENABLED),
             (win32security.LookupPrivilegeValue('',ntsecuritycon.SE_RESTORE_NAME),win32con.SE_PRIVILEGE_ENABLED),
             (win32security.LookupPrivilegeValue('',ntsecuritycon.SE_TAKE_OWNERSHIP_NAME),win32con.SE_PRIVILEGE_ENABLED),
             (win32security.LookupPrivilegeValue('',ntsecuritycon.SE_CREATE_PERMANENT_NAME),win32con.SE_PRIVILEGE_ENABLED),
             (win32security.LookupPrivilegeValue('','SeEnableDelegationPrivilege'),win32con.SE_PRIVILEGE_ENABLED) ##doesn't seem to be in ntsecuritycon.py ?
            )

ph = win32api.GetCurrentProcess()
th = win32security.OpenProcessToken(ph,win32security.TOKEN_ALL_ACCESS)  ##win32con.TOKEN_ADJUST_PRIVILEGES)
win32security.AdjustTokenPrivileges(th,0,new_privs)

all_security_info = \
    win32security.OWNER_SECURITY_INFORMATION|win32security.GROUP_SECURITY_INFORMATION| \
    win32security.DACL_SECURITY_INFORMATION|win32security.SACL_SECURITY_INFORMATION

sd=win32security.GetFileSecurity(fname,all_security_info)

old_sacl=sd.GetSecurityDescriptorSacl()
if old_sacl==None:
    old_sacl=win32security.ACL()
old_dacl=sd.GetSecurityDescriptorDacl()
if old_dacl==None:
    old_dacl=win32security.ACL()

my_sid = win32security.GetTokenInformation(th,ntsecuritycon.TokenUser)[0]
tmp_sid = win32security.LookupAccountName('','tmp')[0]
pwr_sid = win32security.LookupAccountName('','Power Users')[0]


## MultipleTrustee,MultipleTrusteeOperation,TrusteeForm,TrusteeType,Identifier
## first two are ignored
my_trustee = {}
my_trustee['MultipleTrustee']=None
my_trustee['MultipleTrusteeOperation']=0
my_trustee['TrusteeForm']=TRUSTEE_FORM.TRUSTEE_IS_SID
my_trustee['TrusteeType']=TRUSTEE_TYPE.TRUSTEE_IS_USER
my_trustee['Identifier']=my_sid

tmp_trustee = {}
tmp_trustee['MultipleTrustee']=None
tmp_trustee['MultipleTrusteeOperation']=0
tmp_trustee['TrusteeForm']=TRUSTEE_FORM.TRUSTEE_IS_NAME
tmp_trustee['TrusteeType']=TRUSTEE_TYPE.TRUSTEE_IS_USER
tmp_trustee['Identifier']='rupole\\tmp'

pwr_trustee = {}
pwr_trustee['MultipleTrustee']=None
pwr_trustee['MultipleTrusteeOperation']=0
pwr_trustee['TrusteeForm']=TRUSTEE_FORM.TRUSTEE_IS_SID
pwr_trustee['TrusteeType']=TRUSTEE_TYPE.TRUSTEE_IS_USER
pwr_trustee['Identifier']=pwr_sid

expl_list=[]
expl_list.append(
    {
    'Trustee':my_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.SET_AUDIT_SUCCESS, ##|ACCESS_MODE.SET_AUDIT_FAILURE,
    'AccessPermissions':win32con.GENERIC_ALL
    }
  )

expl_list.append(
    {
    'Trustee':my_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.SET_AUDIT_FAILURE,
    'AccessPermissions':win32con.GENERIC_ALL
    }
  )

expl_list.append(
    {
    'Trustee':tmp_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.SET_AUDIT_SUCCESS,
    'AccessPermissions':win32con.GENERIC_ALL
    }
  )

expl_list.append(
    {
    'Trustee':tmp_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.SET_AUDIT_FAILURE,
    'AccessPermissions':win32con.GENERIC_ALL
    }
  )
old_sacl.SetEntriesInAcl(expl_list)

expl_list=[]
expl_list.append(
    {
    'Trustee':tmp_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.DENY_ACCESS,
    'AccessPermissions':win32con.DELETE
    }
  )

expl_list.append(
    {
    'Trustee':tmp_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.GRANT_ACCESS,
    'AccessPermissions':win32con.WRITE_OWNER
    }
  )
expl_list.append(
    {
    'Trustee':pwr_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.GRANT_ACCESS,
    'AccessPermissions':win32con.GENERIC_READ
    }
  )
expl_list.append(
    {
    'Trustee':my_trustee,
    'Inheritance':ACE_FLAGS.NO_INHERITANCE,
    'AccessMode':ACCESS_MODE.GRANT_ACCESS,
    'AccessPermissions':win32con.GENERIC_ALL
    }
  )

old_dacl.SetEntriesInAcl(expl_list)
sd.SetSecurityDescriptorSacl(1,old_sacl,1)
sd.SetSecurityDescriptorDacl(1,old_dacl,1)
sd.SetSecurityDescriptorOwner(pwr_sid,1)

win32security.SetFileSecurity(fname,
            all_security_info,
            sd)