Removed option to allow unencrypted links.
This commit is contained in:
Mark Qvist
parent
0fe76d50f6
commit
cd9daaefee
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@ -11,5 +11,4 @@ class Interface:
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pass
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def get_hash(self):
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# TODO: Maybe expand this to something more unique
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return RNS.Identity.full_hash(str(self).encode("utf-8"))
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27
RNS/Link.py
27
RNS/Link.py
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@ -130,7 +130,6 @@ class Link:
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self.destination = destination
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self.attached_interface = None
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self.__remote_identity = None
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self.__encryption_disabled = False
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if self.destination == None:
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self.initiator = False
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self.prv = self.owner.identity.prv
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@ -699,8 +698,6 @@ class Link:
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def encrypt(self, plaintext):
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if self.__encryption_disabled:
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return plaintext
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try:
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if not self.fernet:
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self.fernet = Fernet(base64.urlsafe_b64encode(self.derived_key))
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@ -722,8 +719,6 @@ class Link:
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def decrypt(self, ciphertext):
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if self.__encryption_disabled:
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return ciphertext
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try:
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if not self.fernet:
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self.fernet = Fernet(base64.urlsafe_b64encode(self.derived_key))
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@ -842,28 +837,6 @@ class Link:
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else:
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return True
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def disable_encryption(self):
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"""
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HAZARDOUS. This will downgrade the link to encryptionless. All
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information over the link will be sent in plaintext. Never use
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this in production applications. Should only be used for debugging
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purposes, and will disappear in a future version.
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If encryptionless links are not explicitly allowed in the users
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configuration file, Reticulum will terminate itself along with the
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client application and throw an error message to the user.
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"""
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if (RNS.Reticulum.should_allow_unencrypted()):
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RNS.log("The link "+str(self)+" was downgraded to an encryptionless link", RNS.LOG_NOTICE)
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self.__encryption_disabled = True
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else:
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RNS.log("Attempt to disable encryption on link, but encryptionless links are not allowed by config.", RNS.LOG_CRITICAL)
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RNS.log("Shutting down Reticulum now!", RNS.LOG_CRITICAL)
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RNS.panic()
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def encryption_disabled(self):
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return self.__encryption_disabled
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def __str__(self):
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return RNS.prettyhexrep(self.link_id)
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@ -238,11 +238,8 @@ class Resource:
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# make optimal use of packet MTU on an entire
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# encrypted stream. The Resource instance will
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# use it's underlying link directly to encrypt.
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if not self.link.encryption_disabled():
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self.data = self.link.encrypt(self.data)
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self.encrypted = True
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else:
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self.encrypted = False
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self.size = len(self.data)
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self.sent_parts = 0
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@ -95,7 +95,6 @@ class Reticulum:
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Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
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Reticulum.resourcepath = Reticulum.configdir+"/storage/resources"
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Reticulum.__allow_unencrypted = False
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Reticulum.__transport_enabled = False
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Reticulum.__use_implicit_proof = True
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@ -202,20 +201,6 @@ class Reticulum:
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Reticulum.__use_implicit_proof = True
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if v == False:
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Reticulum.__use_implicit_proof = False
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if option == "allow_unencrypted":
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v = self.config["reticulum"].as_bool(option)
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if v == True:
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("Danger! Encryptionless links have been allowed in the config file!", RNS.LOG_CRITICAL)
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RNS.log("Beware of the consequences! Any data sent over a link can potentially be intercepted,", RNS.LOG_CRITICAL)
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RNS.log("read and modified! If you are not absolutely sure that you want this,", RNS.LOG_CRITICAL)
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RNS.log("you should exit Reticulum NOW and change your config file!", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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Reticulum.__allow_unencrypted = True
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self.__start_local_interface()
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@ -466,16 +451,6 @@ class Reticulum:
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self.config.write()
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self.__apply_config()
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@staticmethod
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def should_allow_unencrypted():
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"""
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Returns whether unencrypted links are allowed by the
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current configuration.
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:returns: True if the current running configuration allows downgrading links to plaintext. False if not.
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"""
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return Reticulum.__allow_unencrypted
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@staticmethod
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def should_use_implicit_proof():
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"""
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@ -506,14 +481,6 @@ __default_rns_config__ = '''# This is the default Reticulum config file.
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[reticulum]
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# Don't allow unencrypted links by default.
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# If you REALLY need to allow unencrypted links, for example
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# for debug or regulatory purposes, this can be set to true.
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# This directive is optional and can be removed for brevity.
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allow_unencrypted = False
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# If you enable Transport, your system will route traffic
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# for other peers, pass announces and serve path requests.
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# This should be done for systems that are suited to act
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@ -99,15 +99,13 @@
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<li><a href="reference.html#RNS.Identity.decrypt">(RNS.Identity method)</a>
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</li>
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</ul></li>
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<li><a href="reference.html#RNS.Transport.deregister_announce_handler">deregister_announce_handler() (RNS.Transport static method)</a>
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</li>
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</ul></td>
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<td style="width: 33%; vertical-align: top;"><ul>
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<li><a href="reference.html#RNS.Transport.deregister_announce_handler">deregister_announce_handler() (RNS.Transport static method)</a>
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</li>
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<li><a href="reference.html#RNS.Destination.deregister_request_handler">deregister_request_handler() (RNS.Destination method)</a>
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</li>
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<li><a href="reference.html#RNS.Destination">Destination (class in RNS)</a>
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</li>
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<li><a href="reference.html#RNS.Link.disable_encryption">disable_encryption() (RNS.Link method)</a>
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</li>
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</ul></td>
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</tr></table>
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@ -346,8 +344,6 @@
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<li><a href="reference.html#RNS.PacketReceipt.set_timeout">set_timeout() (RNS.PacketReceipt method)</a>
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</li>
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<li><a href="reference.html#RNS.PacketReceipt.set_timeout_callback">set_timeout_callback() (RNS.PacketReceipt method)</a>
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</li>
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<li><a href="reference.html#RNS.Reticulum.should_allow_unencrypted">should_allow_unencrypted() (RNS.Reticulum static method)</a>
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</li>
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<li><a href="reference.html#RNS.Reticulum.should_use_implicit_proof">should_use_implicit_proof() (RNS.Reticulum static method)</a>
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</li>
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Binary file not shown.
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@ -84,18 +84,6 @@ MTU is a prerequisite for peers to communicate in the same network.</p>
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the default value.</p>
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</dd></dl>
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<dl class="py method">
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<dt class="sig sig-object py" id="RNS.Reticulum.should_allow_unencrypted">
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<em class="property"><span class="pre">static</span> </em><span class="sig-name descname"><span class="pre">should_allow_unencrypted</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#RNS.Reticulum.should_allow_unencrypted" title="Permalink to this definition">¶</a></dt>
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<dd><p>Returns whether unencrypted links are allowed by the
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current configuration.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Returns</dt>
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<dd class="field-odd"><p>True if the current running configuration allows downgrading links to plaintext. False if not.</p>
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</dd>
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</dl>
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</dd></dl>
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<dl class="py method">
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<dt class="sig sig-object py" id="RNS.Reticulum.should_use_implicit_proof">
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<em class="property"><span class="pre">static</span> </em><span class="sig-name descname"><span class="pre">should_use_implicit_proof</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#RNS.Reticulum.should_use_implicit_proof" title="Permalink to this definition">¶</a></dt>
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@ -969,18 +957,6 @@ identified over this link.</p>
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</dl>
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</dd></dl>
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<dl class="py method">
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<dt class="sig sig-object py" id="RNS.Link.disable_encryption">
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<span class="sig-name descname"><span class="pre">disable_encryption</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#RNS.Link.disable_encryption" title="Permalink to this definition">¶</a></dt>
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<dd><p>HAZARDOUS. This will downgrade the link to encryptionless. All
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information over the link will be sent in plaintext. Never use
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this in production applications. Should only be used for debugging
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purposes, and will disappear in a future version.</p>
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<p>If encryptionless links are not explicitly allowed in the users
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configuration file, Reticulum will terminate itself along with the
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client application and throw an error message to the user.</p>
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</dd></dl>
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</dd></dl>
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</div>
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