def hide_file(self, hfile, image, param={}):
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_SYSTEM)
dirs = dirs1 + [dirs2[0]]
try:
newdir = param["directory"]
internalpath = newdir + "/" + os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except KeyError:
try:
dpr = choice(dirs)
if dpr.filename != "/.":
targetdir = dpr.filename
else:
targetdir = ""
internalpath = targetdir + "/" + os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except IndexError:
raise ForensicError("No directory for hiding")
finally:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
dpath = os.path.dirname(targetfile)
if not os.path.exists(dpath):
try:
os.makedirs(dpath)
except IOError:
raise ForensicError("Unable to create directory %s" % dpath)
try:
tfile = open(targetfile, "w")
tfile.write(hfile.read())
tfile.close()
except IOError:
errlog("Unable to write")
try:
tfile.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Unable to write")
finally:
self.fs.dismount_image()
return dict(instruction=hf, path=internalpath, newfile=True)
def hide_file(self, hfile, image, param = {}):
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_SYSTEM)
dirs = dirs1+[dirs2[0]]
try:
newdir = param["directory"]
internalpath = newdir+"/"+os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except KeyError:
try:
dpr = choice(dirs)
if dpr.filename != "/.":
targetdir=dpr.filename
else:
targetdir=""
internalpath = targetdir+"/"+os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except IndexError:
raise ForensicError("No directory for hiding")
finally:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
dpath = os.path.dirname(targetfile)
if not os.path.exists(dpath):
try:
os.makedirs(dpath)
except IOError:
raise ForensicError("Unable to create directory %s" % dpath)
try:
tfile = open(targetfile, "w")
tfile.write(hfile.read())
tfile.close()
except IOError:
errlog("Unable to write")
try:
tfile.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Unable to write")
finally:
self.fs.dismount_image()
return dict(instruction=hf,path=internalpath,newfile=True)
def hide_file(self, hfile, image, param={}):
files = self.fs.get_list_of_files(FLAG_REGULAR)
hr = None
try:
itr = 0
while True:
c = choice(files)
itr = itr + 1
if image.check_trivial_usage_status(c.filename) == False:
break
if itr > 20:
raise ForensicError("Cannot find unused trivial files")
chosenfile = c.filename
except IndexError:
errlog("No files to target")
raise ForensicError("no files to target")
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
targetfile = self.fs.fs_mountpoint + chosenfile
try:
tfile = open(targetfile, "a")
tfile.write(hfile.read())
tfile.close()
try:
result_file = hfile.name.rsplit("/", 1)[1]
except IndexError:
result_file = hfile.name
hr = chosenfile + "+" + result_file
except IOError:
errlog("Unable to write")
try:
tfile.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Unable to write")
finally:
self.fs.dismount_image()
if chosenfile.find("/./") == 0:
chosenfile = chosenfile[2:]
try:
if param["delete"] == "True":
return dict(instruction=hr + " DELETED",
path=chosenfile,
todelete=[targetfile])
except KeyError:
return dict(instruction=hr, path=chosenfile)
def hide_file(self, hfile, image, param = {}):
files = self.fs.get_list_of_files(FLAG_REGULAR)
hr = None
try:
itr = 0
while True:
c = choice(files)
itr = itr + 1
if image.check_trivial_usage_status(c.filename) == False:
break
if itr > 20:
raise ForensicError("Cannot find unused trivial files")
chosenfile = c.filename
except IndexError:
errlog("No files to target")
raise ForensicError("no files to target")
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
targetfile = self.fs.fs_mountpoint + chosenfile
try:
tfile = open(targetfile, "a")
tfile.write(hfile.read())
tfile.close()
try:
result_file = hfile.name.rsplit("/",1)[1]
except IndexError:
result_file = hfile.name
hr = chosenfile+"+"+result_file
except IOError:
errlog("Unable to write")
try:
tfile.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Unable to write")
finally:
self.fs.dismount_image()
if chosenfile.find("/./") == 0:
chosenfile = chosenfile[2:]
try:
if param["delete"] == "True":
return dict(instruction=hr+" DELETED", path=chosenfile, todelete=[targetfile])
except KeyError:
return dict(instruction=hr,path=chosenfile)
def post_secret_view(request):
if request.method == "POST":
sfile = request.FILES['file']
t = SecretFileItem(name=sfile.name, file = sfile, group = 0)
try:
t.save()
except DatabaseError:
try:
t.save()
except DatabaseError:
errlog("can't post secret file")
pass
return render(request, "ui/files.html", {"cfunction": "postsecretfile", "instruction": "Drag and drop secret files here"})
def post_secret_view(request):
if request.method == "POST":
sfile = request.FILES['file']
t = SecretFileItem(name=sfile.name, file=sfile, group=0)
try:
t.save()
except DatabaseError:
try:
t.save()
except DatabaseError:
errlog("can't post secret file")
pass
return render(
request, "ui/files.html", {
"cfunction": "postsecretfile",
"instruction": "Drag and drop secret files here"
})
def hide_file(self, hfile, image, param={}):
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_SYSTEM)
dirs = dirs1 + [dirs2[0]]
try:
givendir = param["directory"]
internalpath = givendir + "/" + os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except KeyError:
try:
dpr = choice(dirs)
if dpr.filename != "/.":
targetdir = dpr.filename
else:
targetdir = ""
internalpath = targetdir + "/" + os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except IndexError:
raise ForensicError("No directory for hiding")
try:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
tf = open(targetfile, "w")
tf.write(hfile.read())
tf.close()
#os.remove(targetfile)
if self.fs.dismount_image() != 0:
raise ForensicError("Dismount failed")
except IOError:
errlog("cannot write file")
raise ForensicError("Cannot write file")
if internalpath.find("/./") == 0:
internalpath = internalpath[2:]
return dict(instruction=hf, todelete=[targetfile])
def hide_file(self, hfile, image, param = {}):
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_SYSTEM)
dirs = dirs1+[dirs2[0]]
try:
givendir = param["directory"]
internalpath = givendir+"/"+os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except KeyError:
try:
dpr = choice(dirs)
if dpr.filename != "/.":
targetdir=dpr.filename
else:
targetdir=""
internalpath = targetdir+"/"+os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
hf = internalpath
except IndexError:
raise ForensicError("No directory for hiding")
try:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
tf = open(targetfile, "w")
tf.write(hfile.read())
tf.close()
#os.remove(targetfile)
if self.fs.dismount_image() != 0:
raise ForensicError("Dismount failed")
except IOError:
errlog("cannot write file")
raise ForensicError("Cannot write file")
if internalpath.find("/./") == 0:
internalpath = internalpath[2:]
return dict(instruction=hf,todelete=[targetfile])
def hide_file(self, hfile, image, param = {}):
slack = self.fs.get_file_slack()
hf = ""
if slack == None:
errlog("Not enough slack space")
raise ForensicError("Not enough slack space")
available_slack = 0
for i in slack:
if i[2] == 0:
available_slack = available_slack + i[1]
try:
buf = hfile.read()
except IOError:
raise ForensicError("cannot read secret file")
if available_slack < len(buf):
raise ForensicError("Not enough slack")
bytes_written = 0
bytes_remaining = len(buf)
for i in slack:
if i[2] != 0:
continue
if bytes_remaining <= i[1]:
self.fs.write_location(i[0],buf[bytes_written:])
hf = hf+","+str(i[0])+":"+str(bytes_remaining)
self.fs.register_used_file_slack(i[0],bytes_remaining)
if hf.find(",") == 0:
hf = hf[1:]
return dict(instruction=hf)
self.fs.write_location(i[0],buf[bytes_written:bytes_written+i[1]])
self.fs.register_used_file_slack(i[0], i[1])
hf = hf+","+str(i[0])+":"+str(i[1])
bytes_written += i[1]
bytes_remaining -= i[1]
""" this should never be reached """
raise ForensicError ("This should not happen")
def hide_file(self, hfile, image, param = {}):
extensions = ["jpg", "com", "zip", "xlsx", "doc", "xls", "exe", "dll", "pdf", "rar"]
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY|FLAG_SYSTEM)
""" Process all directories and the root directory """
try:
if param["notroot"] == "True":
dirs = dirs1
else:
dirs = dirs1+[dirs2[0]]
except KeyError:
dirs = dirs1+[dirs2[0]]
try:
short_targetdir=choice(dirs).filename
internalpath = short_targetdir+"/"+os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
targetdir = self.fs.fs_mountpoint + short_targetdir
except IndexError:
errlog("No directory for hiding")
raise ForensicError("No directory for hiding")
try:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
tf = open(targetfile, "w")
tf.write(hfile.read())
tf.close()
""" find extension """
try:
mfn,ext = targetfile.rsplit(".",1)
except ValueError:
mfn = targetfile
ext = ""
try:
m2,e2 = internalpath.rsplit(".",1)
except ValueError:
m2=targetfile
""" remove this extension from the list if it is there """
try:
extensions.remove(ext)
except ValueError:
pass
""" count extensions in target directory """
exti = {}
dirt = os.listdir(targetdir)
for f in dirt:
try:
fn,e = f.rsplit(".",1)
try:
exti[e] += 1
except KeyError:
exti[e] = 1
except ValueError:
continue
""" choose extension """
try:
ext_to_use = max(exti,key=exti.get)
except ValueError:
ext_to_use = choice(extensions)
finally:
if ext_to_use == ext:
ext_to_use = choice(extensions)
try:
ext_to_use = param["use"]
except KeyError:
pass
new_filename = mfn+"."+ext_to_use
os.rename(targetfile,new_filename)
hf = m2+"."+ext_to_use
if self.fs.dismount_image() != 0:
raise ForensicError("Dismount failed")
except IOError:
errlog("cannot write file")
try:
tf.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Cannot write file")
if m2.find("/./") == 0:
m2 = m2[2:]
if hf.find("/./") == 0:
hf = hf[2:]
try:
if param["delete"] == "True":
return dict(instruction=hf+" DELETED", path=m2+"."+ext_to_use, todelete=[new_filename])
except KeyError:
return dict(instruction=hf,path=m2+"."+ext_to_use)
def hide_file(self, hfile, image, param={}):
extensions = [
"jpg", "com", "zip", "xlsx", "doc", "xls", "exe", "dll", "pdf",
"rar"
]
hf = None
dirs1 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_REGULAR)
dirs2 = self.fs.get_list_of_files(FLAG_DIRECTORY | FLAG_SYSTEM)
""" Process all directories and the root directory """
try:
if param["notroot"] == "True":
dirs = dirs1
else:
dirs = dirs1 + [dirs2[0]]
except KeyError:
dirs = dirs1 + [dirs2[0]]
try:
short_targetdir = choice(dirs).filename
internalpath = short_targetdir + "/" + os.path.basename(hfile.name)
targetfile = self.fs.fs_mountpoint + internalpath
targetdir = self.fs.fs_mountpoint + short_targetdir
except IndexError:
errlog("No directory for hiding")
raise ForensicError("No directory for hiding")
try:
if self.fs.mount_image() != 0:
raise ForensicError("Mount failed")
tf = open(targetfile, "w")
tf.write(hfile.read())
tf.close()
""" find extension """
try:
mfn, ext = targetfile.rsplit(".", 1)
except ValueError:
mfn = targetfile
ext = ""
try:
m2, e2 = internalpath.rsplit(".", 1)
except ValueError:
m2 = targetfile
""" remove this extension from the list if it is there """
try:
extensions.remove(ext)
except ValueError:
pass
""" count extensions in target directory """
exti = {}
dirt = os.listdir(targetdir)
for f in dirt:
try:
fn, e = f.rsplit(".", 1)
try:
exti[e] += 1
except KeyError:
exti[e] = 1
except ValueError:
continue
""" choose extension """
try:
ext_to_use = max(exti, key=exti.get)
except ValueError:
ext_to_use = choice(extensions)
finally:
if ext_to_use == ext:
ext_to_use = choice(extensions)
try:
ext_to_use = param["use"]
except KeyError:
pass
new_filename = mfn + "." + ext_to_use
os.rename(targetfile, new_filename)
hf = m2 + "." + ext_to_use
if self.fs.dismount_image() != 0:
raise ForensicError("Dismount failed")
except IOError:
errlog("cannot write file")
try:
tf.close()
except IOError:
pass
self.fs.dismount_image()
raise ForensicError("Cannot write file")
if m2.find("/./") == 0:
m2 = m2[2:]
if hf.find("/./") == 0:
hf = hf[2:]
try:
if param["delete"] == "True":
return dict(instruction=hf + " DELETED",
path=m2 + "." + ext_to_use,
todelete=[new_filename])
except KeyError:
return dict(instruction=hf, path=m2 + "." + ext_to_use)
