diff options
Diffstat (limited to 'backend')
-rwxr-xr-x | backend/magiback | 21 | ||||
-rwxr-xr-x | backend/raw_write.py | 101 |
2 files changed, 93 insertions, 29 deletions
diff --git a/backend/magiback b/backend/magiback index 6bf0202..e7541c3 100755 --- a/backend/magiback +++ b/backend/magiback @@ -40,6 +40,7 @@ class Isodumper(raw_write.Dumper): <method name='do_persistence'> <arg type='s' name='target' direction='in'/> <arg type='s' name='label' direction='in'/> + <arg type='s' name='key' direction='in'/> </method> <method name='get_sum'> <arg type='s' name='source' direction='in'/> @@ -75,7 +76,7 @@ class Isodumper(raw_write.Dumper): self.signature_checked = False self.writing_perm = False self.writing_target = "" - + def do_write(self,source, target, size, dbus_context): self.finished.clear() @@ -90,19 +91,19 @@ class Isodumper(raw_write.Dumper): logging.debug(self.return_message) self.finished.set() - def do_persistence(self, target, label): + def do_persistence(self, target, label, key): self.finished.clear() if self.writing_perm and self.writing_target == target : - self._do_persistence(target, label) + self._do_persistence(target, label, key) else: self.return_message = "Persistence: Access denied" self.writing_perm = False self.writing_target = "" - + @property def done(self): return self.finished.wait(1) - + @property def message(self): return self.return_message @@ -128,13 +129,13 @@ class Isodumper(raw_write.Dumper): def get_sum(self, source): self.key_thread = threading.Thread(target=self._get_sum, args=(source,)) self.key_thread.start() - + def check_write(self,target, source): if hasattr(self, 'key_thread'): self.key_thread.join() self.thread = threading.Thread(target=self._check_write, args=(target, source,)) self.thread.start() - + def run(self): self.loop.run() @@ -142,7 +143,7 @@ def check_permission(action, dbus_context): """ Check permission """ return dbus_context.is_authorized(action, {'polkit.icon_name': 'isodumper.png',}, interactive=True) - + class ConfFile(object): """ <node> @@ -161,7 +162,7 @@ class ConfFile(object): """ def __init__(self): super().__init__() - + def setName(self,file_name): self.file_name = file_name @@ -175,7 +176,7 @@ class ConfFile(object): break content += line return content - + def saveFile(self, tc, dbus_context): if check_permission('org.mageia.Magiback.write',dbus_context): try: diff --git a/backend/raw_write.py b/backend/raw_write.py index 699d1fc..9f06295 100755 --- a/backend/raw_write.py +++ b/backend/raw_write.py @@ -29,13 +29,14 @@ #import locale import os import io +import sys import gettext from subprocess import call, Popen, PIPE import hashlib import gnupg import time import logging - + class Dumper(object): def _do_write(self,source,target, b): @@ -150,6 +151,7 @@ class Dumper(object): message += _('Error, umount returned {}').format(str(retcode)) except OSError as e: message += _('Execution failed: {}').format(str(e)) + print(message, file=sys.stderr) logging.info(message) return not bool(retcode), message @@ -167,7 +169,7 @@ class Dumper(object): with open(sig_file, 'rb') as g: self.signature_found = True verified = gpg.verify_file(g, source + ".sha512") - if verified.valid: + if verified.valid: self.signature_checked = True logging.debug("signature checked") else: @@ -205,7 +207,7 @@ class Dumper(object): if checked > steps[indice]: self._progress = indice indice +=1 - checked+=1024 + checked+=1024 block = f.read(b-ncuts*1024) sha512func.update(block) sha512sumcalc=sha512func.hexdigest() @@ -220,36 +222,97 @@ class Dumper(object): self.return_message +="\n" + _("The sha512 sum check is OK and the sum is signed") else : self.return_message +="\n" + _("The sha512 sum check is OK but the signature can't be found") - else: + else: self.return_message +="\n" + _("/!\\The computed and stored sums don't match") #except: #pass self._progress = 100 - + logging.info(self.return_message) self.return_state = True self.finished.set() - def _do_persistence(self, target, label): + def _do_persistence(self, target, label, key): logging.debug("Start doing persistence partition") p = Popen(["fdisk",target], stdin = PIPE) p.communicate(input=b'n\np\n3\n\n\nw\n') # example mkfs.ext4 -L mgalive-persist /dev/sdf3 - process = Popen(['mkfs.ext4','-L', label, target+"3"]) - working=True - while working: - time.sleep(0.5) - process.poll() - rc=process.returncode - if rc is None: - working=True - else: - process = None - working= False - logging.debug("Persistence partition done") + + if key == "": + print("No key provided", file=sys.stderr) + process = Popen(['mkfs.ext4','-L', label, target+"3"]) + p.communicate() + working=True + while working: + time.sleep(0.5) + process.poll() + rc=process.returncode + if rc is None: + working=True + else: + process = None + working= False + logging.debug("Persistence partition done") + else: + # cryptsetup luksFormat /dev/sdb3 + print("Crypt key provided",file=sys.stderr) + base_target = os.path.basename(target) + "3" + process = Popen(['cryptsetup','luksFormat','-q', target+"3", '-d', '-'],stdin=PIPE) + process.communicate(input=key.encode('utf-8')) + working=True + while working: + time.sleep(0.5) + process.poll() + rc=process.returncode + if rc is None: + working=True + else: + process = None + working= False + # cryptsetup open /dev/sdb3 crypt_sdb3 + + process = Popen(['cryptsetup','luksOpen', target + "3", 'crypt_' + base_target ,'-d','-'],stdin=PIPE) + process.communicate(input=key.encode('utf-8')) + working=True + while working: + time.sleep(0.5) + process.poll() + rc=process.returncode + if rc is None: + working=True + else: + process = None + working= False + # mkfs.ext4 -L mgalive-persist /dev/mapper/crypt_sdb3 + process = Popen(['mkfs.ext4','-L', label, '/dev/mapper/crypt_' + base_target]) + process.communicate() + working=True + while working: + time.sleep(0.5) + process.poll() + rc=process.returncode + if rc is None: + working=True + else: + process = None + working= False + # cryptsetup close crypt_sdb3 + + process = Popen(['cryptsetup','luksClose', 'crypt_' + base_target ]) + process.communicate() + working=True + while working: + time.sleep(0.5) + process.poll() + rc=process.returncode + if rc is None: + working=True + else: + process = None + working= False return rc - + def __init__(self): gettext.install('isodumper', localedir='/usr/share/locale') |