Test environment added
Ursprung
2375f6fa84
Commit
46e497d36e
@ -1,17 +1,20 @@
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# ---> Go
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# ---> Go
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# Binaries for programs and plugins
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# Binaries for programs and plugins
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*.exe
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*.exe
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*.exe~
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*.exe~
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*.dll
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*.dll
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*.so
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*.so
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*.dylib
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*.dylib
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# Test binary, built with `go test -c`
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# Test binary, built with `go test -c`
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*.test
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*.test
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# Output of the go coverage tool, specifically when used with LiteIDE
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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*.out
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# Dependency directories (remove the comment below to include it)
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# Dependency directories (remove the comment below to include it)
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# vendor/
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# vendor/
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# Images
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*.iso
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*.qcow2
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@ -1,9 +1,9 @@
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MIT License
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MIT License
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Copyright (c) <year> <copyright holders>
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Copyright (c) <year> <copyright holders>
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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@ -1,74 +1,74 @@
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# eaas-vde-proxy
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# eaas-vde-proxy
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## Overview
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## Overview
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![overview](README.assets/overview.png)
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![overview](README.assets/overview.png)
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## Pseudocode
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## Pseudocode
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```python
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```python
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class vde_proxy:
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class vde_proxy:
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def handle_frame(frame):
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def handle_frame(frame):
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try:
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try:
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frame.mac = self.new_mac
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frame.mac = self.new_mac
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except NameError:
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except NameError:
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self.new_mac = random_mac()
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self.new_mac = random_mac()
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self.new_ip = do_dhcp(new_mac)
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self.new_ip = do_dhcp(new_mac)
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finally:
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finally:
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frame.mac = self.new_mac
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frame.mac = self.new_mac
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frame.packet = handle_packet(frame.packet)
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frame.packet = handle_packet(frame.packet)
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def handle_packet(packet):
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def handle_packet(packet):
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protocols = {
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protocols = {
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"ip" : handle_ip,
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"ip" : handle_ip,
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"arp": handle_arp,
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"arp": handle_arp,
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}
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}
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return protocols[packet.protocol](packet)
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return protocols[packet.protocol](packet)
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def handle_ip(packet):
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def handle_ip(packet):
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# Todo: Check DHCP lease and get new one if necessary
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# Todo: Check DHCP lease and get new one if necessary
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packet.ip = self.new_ip
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packet.ip = self.new_ip
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if is_dhcp(packet):
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if is_dhcp(packet):
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packet = handle_dhcp(packet)
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packet = handle_dhcp(packet)
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return packet
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return packet
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def handle_arp(packet):
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def handle_arp(packet):
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pass
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pass
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def handle_dhcp(packet):
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def handle_dhcp(packet):
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pass
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pass
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def do_dhcp(mac):
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def do_dhcp(mac):
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# Do DHCP
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# Do DHCP
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return ip
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return ip
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```
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```
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## Problematic protocols
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## Problematic protocols
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Important:
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Important:
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* DHCP
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* DHCP
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* ARP
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* ARP
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Nice to have:
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Nice to have:
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* NetBEUI / NetBIOS
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* NetBEUI / NetBIOS
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Keep in mind:
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Keep in mind:
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* IPv6 (NDP, Interface Identifier, ...)
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* IPv6 (NDP, Interface Identifier, ...)
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* IPSec
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* IPSec
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* 802.1X
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* 802.1X
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## Library support
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## Library support
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### Go:
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### Go:
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* Internet layer packet modification: https://github.com/google/gopacket / https://pkg.go.dev/github.com/google/gopacket
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* Internet layer packet modification: https://github.com/google/gopacket / https://pkg.go.dev/github.com/google/gopacket
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* Link layer frame modification: https://github.com/mdlayher/ethernet / https://pkg.go.dev/github.com/mdlayher/ethernet (not recently updated, alternative?)
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* Link layer frame modification: https://github.com/mdlayher/ethernet / https://pkg.go.dev/github.com/mdlayher/ethernet (not recently updated, alternative?)
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### Rust:
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### Rust:
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* https://docs.rs/etherparse/0.9.0/etherparse
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* https://docs.rs/etherparse/0.9.0/etherparse
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In neuem Issue referenzieren