347 lines
10 KiB
Python
Executable File
347 lines
10 KiB
Python
Executable File
#!/usr/bin/python3
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import os
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import subprocess
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import getpass
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import time
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import shutil
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import random
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def nerr(func,*args,**kwargs):
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try:
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return func(*args,**kwargs)
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except:
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return
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def choiceYn(question,defaultPick = None):
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qstring = "\n" + question + " y/n"
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if defaultPick != None: qstring = qstring + " [" +defaultPick+ "]"
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qstring = qstring + ": "
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while True:
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chinput = input(qstring)
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if chinput == "" and defaultPick != None:
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chinput = defaultPick
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chinput = chinput.lower()
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if chinput == "y": return True
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if chinput == "n": return False
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def choice(question,options,defaultPick = None,direction = 1):
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qstring = "\n"
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for option in options:
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qstring = qstring + "- " + option + "\n"
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qstring = qstring + question
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if defaultPick != None: qstring = qstring + " [" +defaultPick+ "]"
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qstring = qstring + ": "
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while True:
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chinput = input(qstring)
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if chinput == "" and defaultPick != None:
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chinput = defaultPick
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if chinput in options: return chinput
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def choiceInput(question,defaultPick = None):
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qstring = "\n" + question
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if defaultPick != None: qstring = qstring + " [" +defaultPick+ "]"
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qstring = qstring + ": "
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while True:
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chinput = input(qstring)
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if chinput == "":
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if defaultPick == None: continue
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return defaultPick
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return chinput
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def choicePass(question):
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while True:
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print("")
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passw = getpass.getpass(question+ ": ")
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passwConfirm = getpass.getpass(question+ " (repeat): ")
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if passw == passwConfirm: return passw
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print("Passwords don't match, try again.")
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def checkProc(proc):
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rtn = proc.wait()
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if rtn != 0: raise Exception("Process returned error: " +str(rtn))
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def call(*args,**kwargs):
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proc = subprocess.Popen(*args,**kwargs)
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checkProc(proc)
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return
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def callString(*args,**kwargs):
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proc = subprocess.Popen(*args,**kwargs,stdout=subprocess.PIPE)
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output = proc.stdout.read().decode("utf-8").strip("\n")
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checkProc(proc)
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return output
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def callList(*args,**kwargs):
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proc = subprocess.Popen(*args,**kwargs,stdout=subprocess.PIPE)
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output = proc.stdout.read().decode("utf-8").strip("\n").split("\n")
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checkProc(proc)
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return output
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def getDisks():
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return callList(["lsblk","-ndo","PATH"])
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def getPartitions():
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disks = getDisks()
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partitions = callList(["lsblk","-no","PATH"])
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index = 0
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length = len(partitions)
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while index < length:
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if partitions[index] in disks:
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del partitions[index]
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length -= 1
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continue
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index += 1
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return partitions
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def getDiskType(disk):
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return callString(["blkid","-o","value","-s","PTTYPE",disk])
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def getPartitionType(partition):
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return callString(["blkid","-o","value","-s","TYPE",partition])
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def getPartitionUUID(partition):
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return callString(["blkid","-o","value","-s","UUID",partition])
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def setKbLayout(kb):
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call(["loadkeys",kb])
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def resetKbLayout():
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call(["service","console-setup.sh","restart"])
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call(["udevadm","trigger","--subsystem-match=input","--action=change"])
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call(["service","keyboard-setup.sh","restart"])
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def ipth(path = ""):
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return "/media/install/" +path
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def mkdirp(path):
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if not os.path.isdir(path): os.makedirs(path)
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def chroot(path,cmd,*args,**kwargs):
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dirs = ["dev","dev/pts","sys","proc"]
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try:
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for dir in dirs:
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call(["mount","-o","bind","/" +dir,path + "/" +dir])
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call(["chroot",path] + cmd,*args,**kwargs)
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for dir in reversed(dirs):
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call(["umount","-l",path + "/" +dir])
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except Exception as e:
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for dir in reversed(dirs):
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try:
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call(["umount","-l",path + "/" +dir])
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except:
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pass
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raise e
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def randhex(length):
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chars = "0123456789ABCDEF"
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output = ""
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cLength = 0
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while cLength < length:
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output = output + chars[random.randrange(0,15)]
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cLength += 1
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return output
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def main():
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while choiceYn("Partition disk?"):
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try:
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disk = choice("Disk",getDisks())
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call(["fdisk",disk])
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except KeyboardInterrupt:
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pass
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installPartition = choice("OS Partition",getPartitions())
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formatPartition = choiceYn("Format partition?","y")
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if formatPartition:
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fileSystems = []
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for path in os.environ["PATH"].split(":"):
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if not os.path.isdir(path): continue
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for root,dirs,files in os.walk(path):
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for file in files:
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ffile = os.path.join(root,file)
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lfile = ffile.replace(path + os.path.sep,"",1)
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if lfile.startswith("mkfs."): fileSystems.append(lfile.replace("mkfs.","",1))
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fileSystems.sort()
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defaultChoice = None
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if "ext4" in fileSystems: defaultChoice = "ext4"
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formatPartition = choice("File system",fileSystems,defaultChoice)
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else:
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formatPartition = None
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if formatPartition != None:
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encrypt = choiceYn("Encrypt data?")
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if encrypt:
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encryptionPasswords = []
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setKbLayout("us")
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try:
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encryptionPasswords.append(choicePass("Encryption password"))
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except KeyboardInterrupt:
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encrypt = False
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resetKbLayout()
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if encrypt:
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while choiceYn("Add another password?"):
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setKbLayout("us")
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try:
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encryptionPasswords.append(choicePass("Encryption password"))
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except KeyboardInterrupt:
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resetKbLayout()
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break
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resetKbLayout()
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installGRUB = choiceYn("Install GRUB?","y")
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if installGRUB:
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try:
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grubDisk = choice("GRUB disk",getDisks())
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except KeyboardInterrupt:
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installGRUB = False
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print("")
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print("The rest of this setup will continue without your input ...")
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time.sleep(5)
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print("")
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print("> Wiping partition signature ...")
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call(["wipefs","-a",installPartition])
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if encrypt:
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print("> Encrypting partition ...")
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call(["apt","-y","install","cryptsetup"],stdout=subprocess.DEVNULL)
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cryptPartition = installPartition
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mainPass = encryptionPasswords.pop(0)
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proc = subprocess.Popen(["cryptsetup","luksFormat","--type","luks1",cryptPartition],stdin=subprocess.PIPE)
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proc.stdin.write((mainPass + "\n").encode("utf-8"))
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proc.stdin.flush()
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checkProc(proc)
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for passw in encryptionPasswords:
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print("Adding another password ...")
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proc = subprocess.Popen(["cryptsetup","luksAddKey",cryptPartition],stdin=subprocess.PIPE)
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proc.stdin.write((mainPass + "\n" + passw + "\n").encode("utf-8"))
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proc.stdin.flush()
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checkProc(proc)
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print("Creating block device ...")
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proc = subprocess.Popen(["cryptsetup","luksOpen",cryptPartition,"system"],stdin=subprocess.PIPE)
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proc.stdin.write((mainPass + "\n").encode("utf-8"))
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proc.stdin.flush()
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checkProc(proc)
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installPartition = "/dev/mapper/system"
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if formatPartition != None:
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print("> Formatting partition ...")
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call(["mkfs." +formatPartition,installPartition])
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print("> Grabbing partition UUIDs ...")
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installPartitionUUID = getPartitionUUID(installPartition)
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if encrypt: cryptPartitionUUID = getPartitionUUID(cryptPartition)
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print("> Mounting main partition ...")
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mkdirp(ipth())
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call(["mount",installPartition,ipth()])
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print("> Creating swap ...")
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call(["dd","if=/dev/zero","of=" +ipth("swap"),"bs=1M","count=512","status=progress"])
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call(["chmod","600",ipth("swap")])
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call(["mkswap",ipth("swap")])
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call(["swapon",ipth("swap")])
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print("> Adding files ...")
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call(["unsquashfs","-f","-d",ipth(),"/lib/live/mount/medium/live/filesystem.squashfs"])
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print("Setting hostname ...")
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hostname = randhex(8)
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fh = open(ipth("etc/hostname"),"w")
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fh.write(hostname + "\n")
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fh.close()
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if encrypt:
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print("Writing crypto grub config ...")
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fh = open(ipth("etc/default/grub.d/cryptodisk.cfg"),"w")
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fh.write("GRUB_ENABLE_CRYPTODISK=y\n")
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fh.write('GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX cryptdevice=UUID=' +cryptPartitionUUID+ ' root=UUID=' +installPartitionUUID+ '"\n')
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fh.close()
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print("Writing crypttab ...")
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fh = open(ipth("etc/crypttab"),"w")
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fh.write('system UUID=' +cryptPartitionUUID+ ' none luks\n')
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fh.close()
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print("Writing fstab ...")
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fh = open(ipth("etc/fstab"),"w")
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fh.write('UUID=' +installPartitionUUID+ ' / ' +getPartitionType(installPartition)+ ' defaults 0 1\n')
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fh.write('/swap none swap sw 0 0\n')
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fh.close()
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print("Copying keyboard settings ...")
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shutil.copyfile("/etc/default/keyboard",ipth("etc/default/keyboard"))
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print("> Removing live-specific packages ...")
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chroot(ipth(),["apt","-y","remove","live-boot","live-boot-initramfs-tools"])
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chroot(ipth(),["apt","-y","autoremove"])
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os.remove(ipth("bin/login"))
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os.rename(ipth("bin/login.oobe"),ipth("bin/login"))
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if encrypt:
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print("> Installing encryption-specific packages ...")
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chroot(ipth(),["apt","-y","install","cryptsetup-initramfs"])
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else:
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print("> Updating initramfs ...")
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chroot(ipth(),["update-initramfs","-u"])
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if installGRUB:
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print("> Installing GRUB")
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mbrInstall = True
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diskType = getDiskType(grubDisk)
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if diskType == "gpt":
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print("Scanning GPT disk ...")
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partitions = callList(["lsblk",grubDisk,"-no","PATH"])
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del partitions[0]
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try:
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del partitions[partitions.index(installPartition)]
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except Exception:
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pass
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if crypto:
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try:
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del partitions[partitions.index(cryptoPartition)]
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except Exception:
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pass
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if len(partitions) > 0:
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partType = getPartitionType(partitions[0])
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if partType == "fat" or partType == "vfat":
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print("Mounting ESP ...")
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mkdirp(ipth("boot/efi"))
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call(["mount",partitions[0],ipth("boot/efi")])
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print("Installing GRUB ...")
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mbrInstall = False
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chroot(ipth(),["grub-install","--target=i386-efi","--uefi-secure-boot","--efi-directory=/boot/efi","--boot-directory=/boot",grubDisk])
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chroot(ipth(),["grub-install","--target=x86_64-efi","--uefi-secure-boot","--efi-directory=/boot/efi","--boot-directory=/boot",grubDisk])
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chroot(ipth(),["grub-install","--target=i386-pc","--boot-directory=/boot",grubDisk])
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chroot(ipth(),["update-grub"])
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print("Unmounting ESP ...")
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call(["umount","-l",ipth("boot/efi")])
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os.rmdir(ipth("boot/efi"))
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if mbrInstall:
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if diskType == "gpt":
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print("WARNING: GPT disk unsuitable for EFI, installing BIOS payload only.")
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print("Installing GRUB ...")
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chroot(ipth(),["grub-install","--target=i386-pc","--boot-directory=/boot",grubDisk])
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chroot(ipth(),["update-grub"])
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print("> Unmounting ...")
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call(["swapoff",ipth("swap")])
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call(["umount",ipth()])
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os.rmdir(ipth())
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if encrypt: call(["cryptsetup","luksClose","system"])
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print("Success. Press ENTER to quit setup.")
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input()
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main() |