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@@ -0,0 +1,724 @@
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+#!/usr/bin/python3
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+
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+import tarfile
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+import glob
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+import subprocess
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+import array
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+import struct
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+import os
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+
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+def BuildKernel():
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+ kernel_c_sources = glob.glob("kernel/*.c") + glob.glob("kernel/*/*.c") + glob.glob("kernel/*/*/*.c")
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+ kernel_s_sources = glob.glob("kernel/*.S")
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+
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+ cflags = "-O2 -std=c99 -finline-functions -ffreestanding -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-format -pedantic -fno-omit-frame-pointer -D_KERNEL_ -DKERNEL_GIT_TAG=master"
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+
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+ for i in kernel_c_sources:
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+ cmd = "gcc {cflags} -nostdlib -g -c -o {obj} {src}".format(
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+ cflags=cflags,
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+ obj=i.replace('.c','.o'),
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+ src=i
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+ )
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+ print(cmd)
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+ subprocess.run(cmd, shell=True)
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+
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+ for i in kernel_s_sources:
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+ cmd = "as -o {obj} {src}".format(
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+ obj=i.replace('.S','.o'),
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+ src=i
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+ )
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+ print(cmd)
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+ subprocess.run(cmd,shell=True)
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+
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+ objects = [x.replace('.c','.o') for x in kernel_c_sources] + [x.replace('.S','.o') for x in kernel_s_sources if not x.endswith('symbols.S')]
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+
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+ cmd = "gcc -T kernel/link.ld {cflags} -nostdlib -o .toaruos-kernel {objects} -lgcc".format(
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+ cflags=cflags,
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+ objects=' '.join(objects),
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+ )
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+ print(cmd)
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+ subprocess.run(cmd, shell=True)
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+
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+ cmd = "nm -g .toaruos-kernel | generate_symbols.py > kernel/symbols.S"
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+ print(cmd)
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+ subprocess.run(cmd,shell=True)
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+
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+ subprocess.run("rm .toaruos-kernel", shell=True)
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+
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+ cmd = "as -o kernel/symbols.o kernel/symbols.S"
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+ print(cmd)
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+ subprocess.run(cmd,shell=True)
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+
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+ cmd = "gcc -T kernel/link.ld {cflags} -nostdlib -o cdrom/kernel {objects} kernel/symbols.o -lgcc".format(
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+ cflags=cflags,
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+ objects=' '.join(objects),
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+ )
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+ print(cmd)
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+ subprocess.run(cmd, shell=True)
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+
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+def BuildModules():
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+ module_sources = glob.glob('modules/*.c')
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+
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+ cflags = "-O2 -std=c99 -finline-functions -ffreestanding -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-format -pedantic -fno-omit-frame-pointer -D_KERNEL_ -DKERNEL_GIT_TAG=master"
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+
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+ try:
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+ os.mkdir('cdrom/mod')
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+ except:
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+ pass
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+
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+ for i in module_sources:
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+ cmd = "gcc {cflags} -nostdlib -g -c -o {obj} {src}".format(
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+ cflags=cflags,
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+ obj=i.replace('.c','.ko').replace('modules/','cdrom/mod/'),
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+ src=i
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+ )
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+ print(cmd)
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+ subprocess.run(cmd, shell=True)
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+
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+
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+class Structure(object):
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+
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+ assert_size = -1
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+
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+ def __init__(self):
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+ self.data = {}
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+ for field in self.fields:
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+ if len(field) > 2:
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+ f, s, d = field
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+ self.data[s] = d
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+ else:
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+ f, s = field
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+ if f.endswith('s'):
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+ self.data[s] = b""
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+ else:
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+ self.data[s] = 0
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+ if self.assert_size != -1:
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+ assert(len(self) == self.assert_size)
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+
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+ def __len__(self):
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+ return sum([struct.calcsize(f[0]) for f in self.fields])
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+
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+ def read(self, data, offset):
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+
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+ def read_struct(fmt,buf,offset):
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+ out, = struct.unpack_from(fmt,buf,offset)
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+ return out, offset + struct.calcsize(fmt)
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+
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+ o = offset
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+ for field in self.fields:
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+ if len(field) > 2:
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+ f, s, _ = field
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+ else:
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+ f, s = field
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+ self.data[s], o = read_struct(f, data, o)
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+ return o
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+
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+ def write(self, data, offset):
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+
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+ def write_struct(fmt, buf, offset, value):
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+ struct.pack_into(fmt, buf, offset, value)
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+ return offset + struct.calcsize(fmt)
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+
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+ o = offset
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+ for field in self.fields:
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+ if len(field) > 2:
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+ f, s, _ = field
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+ else:
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+ f, s = field
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+ o = write_struct(f,data,o,self.data[s])
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+ return o
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+
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+def read_struct(fmt,buf,offset):
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+ out, = struct.unpack_from(fmt,buf,offset)
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+ return out, offset + struct.calcsize(fmt)
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+
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+class FAT(object):
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+
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+ def __init__(self, iso, offset):
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+ self.iso = iso
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+ self.offset = offset
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+
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+ self.bytespersector, _ = read_struct('H', self.iso.data, offset + 11)
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+ self.sectorspercluster, _ = read_struct('B', self.iso.data, offset + 13)
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+ self.reservedsectors, _ = read_struct('H', self.iso.data, offset + 14)
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+ self.numberoffats, _ = read_struct('B', self.iso.data, offset + 16)
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+ self.numberofdirs, _ = read_struct('H', self.iso.data, offset + 17)
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+ self.fatsize, _ = read_struct('H', self.iso.data, offset + 22)
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+
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+ self.root_dir_sectors = (self.numberofdirs * 32 + (self.bytespersector - 1)) // self.bytespersector
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+ self.first_data_sector = self.reservedsectors + (self.numberoffats * self.fatsize) + self.root_dir_sectors
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+ self.root_sector= self.first_data_sector - self.root_dir_sectors
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+ self.root = FATDirectory(self, self.offset + self.root_sector * self.bytespersector)
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+
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+ def get_offset(self, cluster):
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+ return self.offset + ((cluster - 2) * self.sectorspercluster + self.first_data_sector) * self.bytespersector
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+
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+ def get_file(self, path):
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+ units = path.split('/')
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+ units = units[1:]
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+
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+ me = self.root
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+ out = None
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+ for i in units:
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+ for fatfile in me.list():
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+ if fatfile.readable_name() == i:
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+ me = fatfile.to_dir()
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+ out = fatfile
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+ break
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+ else:
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+ return None
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+ return out
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+
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+class FATDirectory(object):
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+
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+ def __init__(self, fat, offset):
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+
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+ self.fat = fat
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+ self.offset = offset
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+
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+ def list(self):
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+
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+ o = self.offset
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+ while 1:
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+ out = FATFile(self.fat, o)
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+ if out.name != '\0\0\0\0\0\0\0\0':
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+ yield out
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+ else:
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+ break
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+ o += out.size
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+
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+
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+class FATFile(object):
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+
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+ def __init__(self, fat, offset):
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+
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+ self.fat = fat
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+ self.offset = offset
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+ self.magic_long = None
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+ self.size = 0
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+ self.long_name = ''
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+
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+ o = self.offset
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+ self.actual_offset = o
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+
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+ self.attrib, _ = read_struct('B',self.fat.iso.data,o+11)
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+
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+ while (self.attrib & 0x0F) == 0x0F:
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+ # Long file name entry
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+ tmp = read_struct('10s',self.fat.iso.data,o+1)[0]
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+ tmp += read_struct('12s',self.fat.iso.data,o+14)[0]
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+ tmp += read_struct('4s',self.fat.iso.data,o+28)[0]
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+ tmp = "".join([chr(x) for x in tmp[::2] if x != '\xFF']).strip('\x00')
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+ self.long_name = tmp + self.long_name
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+ self.size += 32
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+ o = self.offset + self.size
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+ self.actual_offset = o
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+ self.attrib, _ = read_struct('B',self.fat.iso.data,o+11)
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+
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+ o = self.offset + self.size
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+
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+ self.name, o = read_struct('8s',self.fat.iso.data,o)
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+ self.ext, o = read_struct('3s',self.fat.iso.data,o)
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+ self.attrib, o = read_struct('B',self.fat.iso.data,o)
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+ self.userattrib, o = read_struct('B',self.fat.iso.data,o)
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+ self.undelete, o = read_struct('b',self.fat.iso.data,o)
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+ self.createtime, o = read_struct('H',self.fat.iso.data,o)
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+ self.createdate, o = read_struct('H',self.fat.iso.data,o)
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+ self.accessdate, o = read_struct('H',self.fat.iso.data,o)
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+ self.clusterhi, o = read_struct('H',self.fat.iso.data,o)
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+ self.modifiedti, o = read_struct('H',self.fat.iso.data,o)
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+ self.modifiedda, o = read_struct('H',self.fat.iso.data,o)
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+ self.clusterlow, o = read_struct('H',self.fat.iso.data,o)
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+ self.filesize, o = read_struct('I',self.fat.iso.data,o)
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+
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+ self.name = self.name.decode('ascii')
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+ self.ext = self.ext.decode('ascii')
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+
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+ self.size += 32
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+
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+ self.cluster = (self.clusterhi << 16) + self.clusterlow
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+
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+ def is_dir(self):
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+ return bool(self.attrib & 0x10)
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+
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+ def is_long(self):
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+ return bool((self.attrib & 0x0F) == 0x0F)
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+
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+ def to_dir(self):
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+ return FATDirectory(self.fat, self.fat.get_offset(self.cluster))
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+
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+ def get_offset(self):
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+ return self.fat.get_offset(self.cluster)
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+
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+ def readable_name(self):
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+ if self.long_name:
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+ return self.long_name
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+ if self.ext.strip():
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+ return (self.name.strip() + '.' + self.ext.strip()).lower()
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+ else:
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+ return self.name.strip().lower()
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+
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+def make_time():
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+ data = array.array('b',b'\0'*17)
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+ struct.pack_into(
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+ '4s2s2s2s2s2s2sb',
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+ data, 0,
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+ b'2018', b'11', b'14', # Year, Month, Day
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+ b'12', b'00', b'00', # Hour, Minute, Second
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+ b'00', # Hundreths
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+ 0, # Offset
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+ )
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+ return bytes(data)
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+
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+def make_date():
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+ data = array.array('b',b'\0'*7)
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+ struct.pack_into(
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+ 'BBBBBBb',
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+ data, 0,
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+ 118, 11, 14,
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+ 12, 0, 0,
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+ 0,
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+ )
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+ return bytes(data)
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+
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+class ISOBootRecord(Structure):
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+ assert_size = 2048
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+ fields = (
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+ ('B', 'type_code', 0),
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+ ('5s', 'cd001', b'CD001'),
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+ ('B', 'version', 1),
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+ ('32s', 'boot_system_identifier'),
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+ ('32s', 'boot_identifier'),
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+ ('1977s', 'boot_record_data'),
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+ )
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+
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+class ISOElToritoBootRecord(ISOBootRecord):
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+ assert_size = 2048
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+ fields = (
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+ ('B', 'type_code', 0),
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+ ('5s', 'cd001', b'CD001'),
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+ ('B', 'version', 1),
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+ ('32s', 'boot_system_identifier',b'EL TORITO SPECIFICATION'),
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+ ('32s', 'boot_identifier'),
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+ ('<I', 'catalog_lba'),
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+ ('1973s', 'boot_record_data'),
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+ )
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+
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+ def set_catalog(self, catalog_lba):
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+ self.data['catalog_lba'] = catalog_lba
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+
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+class ISOPrimaryVolumeDescriptor(Structure):
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+ assert_size = 2048
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+ fields = (
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+ ('B', 'type_code', 1),
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+ ('5s', 'cd001', b'CD001'),
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+ ('B', 'version', 1),
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+ ('B', 'unused_0', 0),
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+ ('32s', 'system_id', b' '*32),
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+ ('32s', 'volume_id', b'ToaruOS Boot CD'.ljust(32)),
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+ ('8s', 'unused_1', b'\0'*8),
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+ ('<I', 'volume_space_lsb'),
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+ ('>I', 'volume_space_msb'),
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+ ('32s', 'unused_2', b'\0'*32),
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+ ('<H', 'volume_set_size_lsb', 1),
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+ ('>H', 'volume_set_size_msb', 1),
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+ ('<H', 'volume_sequence_lsb', 1),
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+ ('>H', 'volume_sequence_msb', 1),
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+ ('<H', 'logical_block_size_lsb', 2048),
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+ ('>H', 'logical_block_size_msb', 2048),
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+ ('<I', 'path_table_size_lsb'),
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+ ('>I', 'path_table_size_msb'),
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+ ('<I', 'type_l_table_lsb'),
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+ ('<I', 'optional_type_l_table_lsb'),
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+ ('>I', 'type_m_table_msb'),
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+ ('>I', 'optional_type_m_table_msb'),
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+ ('34s', 'root_entry_data'),
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+ ('128s', 'volume_set_identifier', b' '*128),
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+ ('128s', 'publisher_identifier', b' '*128),
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+ ('128s', 'data_preparer_identifier', b' '*128),
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+ ('128s', 'application_identifier',b' '*128),
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+ ('38s', 'copyright_file_identifier',b' '*38),
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+ ('36s', 'abstract_file_identifier',b' '*36),
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+ ('37s', 'bibliographic_file_identifier',b' '*37),
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+ ('17s', 'volume_creation_time',make_time()),
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+ ('17s', 'volume_modification_time',make_time()),
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+ ('17s', 'volume_expiration_time',make_time()),
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+ ('17s', 'volume_effective_time',make_time()),
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+ ('B', 'file_structure_version'),
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+ ('B', 'unused_3', 0),
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+ ('512s', 'application_data'),
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+ ('653s', 'reserved', b'\0'*653),
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+ )
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+
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+class ISOVolumeDescriptorSetTerminator(Structure):
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+ assert_size = 2048
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+ fields = (
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+ ('B', 'type_code', 0xFF),
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+ ('5s', 'cd001', b'CD001'),
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+ ('B', 'version', 1),
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+ ('2041s', 'unused', b'\0'*2041)
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+ )
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+
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+class ISODirectoryEntry(Structure):
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+ assert_size = 33
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+ fields = (
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+ ('B', 'length'),
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+ ('B', 'ext_length'),
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+ ('<I', 'extent_start_lsb'),
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+ ('>I', 'extent_start_msb'),
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+ ('<I', 'extent_length_lsb'),
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+ ('>I', 'extent_length_msb'),
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+ ('7s', 'record_date', make_date()),
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+ ('B', 'flags'),
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+ ('B', 'interleave_units'),
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+ ('B', 'interleave_gap'),
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+ ('<H', 'volume_seq_lsb'),
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+ ('>H', 'volume_seq_msb'),
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+ ('B', 'name_len'),
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+ )
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+
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+ def set_name(self, name):
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+ self.data['name_len'] = len(name)
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+ self.name = name
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|
|
+ self.data['length'] = self.assert_size + len(self.name)
|
|
|
+ if self.data['length'] % 2:
|
|
|
+ self.data['length'] += 1
|
|
|
+
|
|
|
+ def set_extent(self, start, length):
|
|
|
+ self.data['extent_start_lsb'] = start
|
|
|
+ self.data['extent_start_msb'] = start
|
|
|
+ self.data['extent_length_lsb'] = length
|
|
|
+ self.data['extent_length_msb'] = length
|
|
|
+
|
|
|
+ def write(self, data, offset):
|
|
|
+ o = super(ISODirectoryEntry,self).write(data,offset)
|
|
|
+ struct.pack_into(str(len(self.name))+'s', data, o, self.name.encode('utf-8'))
|
|
|
+ return offset + self.data['length']
|
|
|
+
|
|
|
+class ArbitraryData(object):
|
|
|
+
|
|
|
+ def __init__(self, path=None, size=None):
|
|
|
+
|
|
|
+ if path:
|
|
|
+ with open(path,'rb') as f:
|
|
|
+ tmp = f.read()
|
|
|
+ self.data = array.array('b',tmp)
|
|
|
+ elif size:
|
|
|
+ self.data = array.array('b',b'\0'*size)
|
|
|
+ else:
|
|
|
+ raise ValueError("Expected one of path or size to be set.")
|
|
|
+
|
|
|
+ self.size = len(self.data.tobytes())
|
|
|
+ self.actual_size = self.size
|
|
|
+ while (self.size % 2048):
|
|
|
+ self.size += 1
|
|
|
+
|
|
|
+ def write(self, data, offset):
|
|
|
+ struct.pack_into(str(self.size) + 's', data, offset, self.data.tobytes())
|
|
|
+ return offset + self.size
|
|
|
+
|
|
|
+def make_entry():
|
|
|
+ return b'\0'*34
|
|
|
+
|
|
|
+class ISO9660(object):
|
|
|
+
|
|
|
+ def __init__(self, from_file=None):
|
|
|
+ self.primary_volume_descriptor = ISOPrimaryVolumeDescriptor()
|
|
|
+ self.boot_record = ISOElToritoBootRecord()
|
|
|
+ self.volume_descriptor_set_terminator = ISOVolumeDescriptorSetTerminator()
|
|
|
+ self.el_torito_catalog = ElToritoCatalog()
|
|
|
+ self.allocate = 0x13
|
|
|
+
|
|
|
+ if from_file:
|
|
|
+ # Only for a file we produced.
|
|
|
+ with open(from_file, 'rb') as f:
|
|
|
+ tmp = f.read()
|
|
|
+ data = array.array('b', tmp)
|
|
|
+ self.primary_volume_descriptor.read(data, 0x10 * 2048)
|
|
|
+ self.boot_record.read(data, 0x11 * 2048)
|
|
|
+ self.volume_descriptor_set_terminator.read(data, 0x12 * 2048)
|
|
|
+ self.el_torito_catalog.read(data, self.boot_record.data['catalog_lba'] * 2048)
|
|
|
+ else:
|
|
|
+ # Root directory
|
|
|
+ self.root = ISODirectoryEntry()
|
|
|
+ self.root.data['flags'] = 0x02 # Directory
|
|
|
+ self.root.set_name(' ')
|
|
|
+ self.root_data = ArbitraryData(size=2048)
|
|
|
+ self.root_data.sector_offset = self.allocate_space(1)
|
|
|
+ self.root.set_extent(self.root_data.sector_offset,self.root_data.size)
|
|
|
+
|
|
|
+ # Dummy entries
|
|
|
+ t = ISODirectoryEntry()
|
|
|
+ t.set_name('')
|
|
|
+ o = t.write(self.root_data.data, 0)
|
|
|
+ t = ISODirectoryEntry()
|
|
|
+ t.set_name('\1')
|
|
|
+ o = t.write(self.root_data.data, o)
|
|
|
+
|
|
|
+ # Kernel
|
|
|
+ self.kernel_data = ArbitraryData(path='cdrom/kernel')
|
|
|
+ self.kernel_data.sector_offset = self.allocate_space(self.kernel_data.size // 2048)
|
|
|
+ self.kernel_entry = ISODirectoryEntry()
|
|
|
+ self.kernel_entry.set_name('KERNEL.')
|
|
|
+ self.kernel_entry.set_extent(self.kernel_data.sector_offset, self.kernel_data.actual_size)
|
|
|
+ o = self.kernel_entry.write(self.root_data.data, o)
|
|
|
+
|
|
|
+ # Ramdisk
|
|
|
+ self.ramdisk_data = ArbitraryData(path='cdrom/ramdisk.img')
|
|
|
+ self.ramdisk_data.sector_offset = self.allocate_space(self.ramdisk_data.size // 2048)
|
|
|
+ self.ramdisk_entry = ISODirectoryEntry()
|
|
|
+ self.ramdisk_entry.set_name('RAMDISK.IMG')
|
|
|
+ self.ramdisk_entry.set_extent(self.ramdisk_data.sector_offset, self.ramdisk_data.actual_size)
|
|
|
+ o = self.ramdisk_entry.write(self.root_data.data, o)
|
|
|
+
|
|
|
+ # Modules directory
|
|
|
+ self.mods_data = ArbitraryData(size=(2048*2)) # Just in case
|
|
|
+ self.mods_data.sector_offset = self.allocate_space(self.mods_data.size // 2048)
|
|
|
+ self.mods_entry = ISODirectoryEntry()
|
|
|
+ self.mods_entry.data['flags'] = 0x02
|
|
|
+ self.mods_entry.set_name('MOD')
|
|
|
+ self.mods_entry.set_extent(self.mods_data.sector_offset, self.mods_data.actual_size)
|
|
|
+ o = self.mods_entry.write(self.root_data.data, o)
|
|
|
+
|
|
|
+ self.payloads = []
|
|
|
+
|
|
|
+ # Modules themselves
|
|
|
+ t = ISODirectoryEntry()
|
|
|
+ t.set_name('')
|
|
|
+ o = t.write(self.mods_data.data, 0)
|
|
|
+ t = ISODirectoryEntry()
|
|
|
+ t.set_name('\1')
|
|
|
+ o = t.write(self.mods_data.data, o)
|
|
|
+ for mod_file in [
|
|
|
+ 'cdrom/mod/ac97.ko',
|
|
|
+ 'cdrom/mod/ata.ko',
|
|
|
+ 'cdrom/mod/ataold.ko',
|
|
|
+ 'cdrom/mod/debug_sh.ko',
|
|
|
+ 'cdrom/mod/dospart.ko',
|
|
|
+ 'cdrom/mod/e1000.ko',
|
|
|
+ 'cdrom/mod/ext2.ko',
|
|
|
+ 'cdrom/mod/hda.ko',
|
|
|
+ 'cdrom/mod/iso9660.ko',
|
|
|
+ 'cdrom/mod/lfbvideo.ko',
|
|
|
+ 'cdrom/mod/net.ko',
|
|
|
+ 'cdrom/mod/packetfs.ko',
|
|
|
+ 'cdrom/mod/pcnet.ko',
|
|
|
+ 'cdrom/mod/pcspkr.ko',
|
|
|
+ 'cdrom/mod/portio.ko',
|
|
|
+ 'cdrom/mod/procfs.ko',
|
|
|
+ 'cdrom/mod/ps2kbd.ko',
|
|
|
+ 'cdrom/mod/ps2mouse.ko',
|
|
|
+ 'cdrom/mod/random.ko',
|
|
|
+ 'cdrom/mod/rtl.ko',
|
|
|
+ 'cdrom/mod/serial.ko',
|
|
|
+ 'cdrom/mod/snd.ko',
|
|
|
+ 'cdrom/mod/tmpfs.ko',
|
|
|
+ 'cdrom/mod/usbuhci.ko',
|
|
|
+ 'cdrom/mod/vbox.ko',
|
|
|
+ 'cdrom/mod/vgadbg.ko',
|
|
|
+ 'cdrom/mod/vgalog.ko',
|
|
|
+ 'cdrom/mod/vidset.ko',
|
|
|
+ 'cdrom/mod/vmware.ko',
|
|
|
+ 'cdrom/mod/xtest.ko',
|
|
|
+ 'cdrom/mod/zero.ko',
|
|
|
+ 'cdrom/mod/tarfs.ko',
|
|
|
+ ]:
|
|
|
+ payload = ArbitraryData(path=mod_file)
|
|
|
+ payload.sector_offset = self.allocate_space(payload.size // 2048)
|
|
|
+ entry = ISODirectoryEntry()
|
|
|
+ entry.set_name(mod_file.replace('cdrom/mod/','').upper())
|
|
|
+ entry.set_extent(payload.sector_offset, payload.actual_size)
|
|
|
+ o = entry.write(self.mods_data.data, o)
|
|
|
+ self.payloads.append(payload)
|
|
|
+
|
|
|
+ # Set up the boot catalog and records
|
|
|
+ self.el_torito_catalog.sector_offset = self.allocate_space(1)
|
|
|
+ self.boot_record.set_catalog(self.el_torito_catalog.sector_offset)
|
|
|
+ subprocess.run("cp /cdrom/boot.sys /tmp/boot.sys")
|
|
|
+ self.boot_payload = ArbitraryData(path='/tmp/boot.sys')
|
|
|
+ self.boot_payload.sector_offset = self.allocate_space(self.boot_payload.size // 2048)
|
|
|
+ self.el_torito_catalog.initial_entry.data['sector_count'] = self.boot_payload.size // 512
|
|
|
+ self.el_torito_catalog.initial_entry.data['load_rba'] = self.boot_payload.sector_offset
|
|
|
+ #self.el_torito_catalog.section.data['sector_count'] = 0 # Expected to be 0 or 1 for "until end of CD"
|
|
|
+ #self.el_torito_catalog.section.data['load_rba'] = self.fat_payload.sector_offset
|
|
|
+ self.primary_volume_descriptor.data['root_entry_data'] = make_entry()
|
|
|
+
|
|
|
+ def allocate_space(self, sectors):
|
|
|
+ out = self.allocate
|
|
|
+ self.allocate += sectors
|
|
|
+ return out
|
|
|
+
|
|
|
+ def write(self, file_name):
|
|
|
+ with open(file_name, 'wb') as f:
|
|
|
+ data = array.array('b',b'\0'*(2048*self.allocate))
|
|
|
+ self.primary_volume_descriptor.write(data,0x10 * 2048)
|
|
|
+ self.root.write(data,0x10*2048 + 156)
|
|
|
+ self.boot_record.write(data,0x11 * 2048)
|
|
|
+ self.mods_data.write(data, self.mods_data.sector_offset * 2048)
|
|
|
+ self.root_data.write(data,self.root_data.sector_offset * 2048)
|
|
|
+ self.volume_descriptor_set_terminator.write(data,0x12 * 2048)
|
|
|
+ self.el_torito_catalog.write(data,self.el_torito_catalog.sector_offset * 2048)
|
|
|
+ self.boot_payload.write(data,self.boot_payload.sector_offset * 2048)
|
|
|
+ self.kernel_data.write(data,self.kernel_data.sector_offset * 2048)
|
|
|
+ self.ramdisk_data.write(data,self.ramdisk_data.sector_offset * 2048)
|
|
|
+ #self.fat_payload.write(data,self.fat_payload.sector_offset * 2048)
|
|
|
+ for payload in self.payloads:
|
|
|
+ payload.write(data,payload.sector_offset * 2048)
|
|
|
+ data.tofile(f)
|
|
|
+
|
|
|
+class ElToritoValidationEntry(Structure):
|
|
|
+ assert_size = 0x20
|
|
|
+ fields = (
|
|
|
+ ('B','header_id',1),
|
|
|
+ ('B','platform_id',0),
|
|
|
+ ('<H','reserved_0'),
|
|
|
+ ('24s','id_str',b'\0'*24),
|
|
|
+ ('<H','checksum',0x55aa),
|
|
|
+ ('B','key_55',0x55),
|
|
|
+ ('B','key_aa',0xaa),
|
|
|
+ )
|
|
|
+
|
|
|
+class ElToritoInitialEntry(Structure):
|
|
|
+ assert_size = 0x20
|
|
|
+ fields = (
|
|
|
+ ('B','bootable',0x88),
|
|
|
+ ('B','media_type'),
|
|
|
+ ('<H','load_segment'),
|
|
|
+ ('B','system_type'),
|
|
|
+ ('B','unused_0'),
|
|
|
+ ('<H','sector_count'),
|
|
|
+ ('<I','load_rba'),
|
|
|
+ ('20s','unused_1',b'\0'*20),
|
|
|
+ )
|
|
|
+
|
|
|
+class ElToritoSectionHeader(Structure):
|
|
|
+ assert_size = 0x20
|
|
|
+ fields = (
|
|
|
+ ('B','header_id',0x91),
|
|
|
+ ('B','platform_id',0xEF),
|
|
|
+ ('<H','sections',1),
|
|
|
+ ('28s','id_str',b'\0'*28)
|
|
|
+ )
|
|
|
+
|
|
|
+class ElToritoSectionEntry(Structure):
|
|
|
+ assert_size = 0x20
|
|
|
+ fields = (
|
|
|
+ ('B','bootable',0x88),
|
|
|
+ ('B','media_type'),
|
|
|
+ ('<H','load_segment'),
|
|
|
+ ('B','system_type'),
|
|
|
+ ('B','unused_0'),
|
|
|
+ ('<H','sector_count'),
|
|
|
+ ('<I','load_rba'),
|
|
|
+ ('B','selection_criteria'),
|
|
|
+ ('19s','vendor'),
|
|
|
+ )
|
|
|
+
|
|
|
+class ElToritoCatalog(object):
|
|
|
+
|
|
|
+ def __init__(self):
|
|
|
+ self.validation_entry = ElToritoValidationEntry()
|
|
|
+ self.initial_entry = ElToritoInitialEntry()
|
|
|
+ self.section_header = ElToritoSectionHeader()
|
|
|
+ self.section = ElToritoSectionEntry()
|
|
|
+
|
|
|
+ def read(self, data, offset):
|
|
|
+ o = offset
|
|
|
+ o = self.validation_entry.read(data, o)
|
|
|
+ o = self.initial_entry.read(data, o)
|
|
|
+ o = self.section_header.read(data, o)
|
|
|
+ o = self.section.read(data, o)
|
|
|
+
|
|
|
+ def write(self, data, offset):
|
|
|
+ o = offset
|
|
|
+ o = self.validation_entry.write(data, o)
|
|
|
+ o = self.initial_entry.write(data, o)
|
|
|
+ o = self.section_header.write(data, o)
|
|
|
+ o = self.section.write(data, o)
|
|
|
+
|
|
|
+
|
|
|
+def BuildISO():
|
|
|
+ iso = ISO9660()
|
|
|
+ iso.write('toaruos.iso')
|
|
|
+
|
|
|
+
|
|
|
+def BuildRamdisk():
|
|
|
+ users = {
|
|
|
+ 'root': 0,
|
|
|
+ 'local': 1000,
|
|
|
+ }
|
|
|
+
|
|
|
+ restricted_files = {
|
|
|
+ 'etc/master.passwd': 0o600,
|
|
|
+ 'etc/sudoers': 0o600,
|
|
|
+ 'tmp': 0o777,
|
|
|
+ 'var': 0o755,
|
|
|
+ 'bin/sudo': 0o4555,
|
|
|
+ 'bin/gsudo': 0o4555,
|
|
|
+ }
|
|
|
+
|
|
|
+ def file_filter(tarinfo):
|
|
|
+ # Root owns files by default.
|
|
|
+ tarinfo.uid = 0
|
|
|
+ tarinfo.gid = 0
|
|
|
+
|
|
|
+ if tarinfo.name.startswith('home/'):
|
|
|
+ # Home directory contents are owned by their users.
|
|
|
+ user = tarinfo.name.split('/')[1]
|
|
|
+ tarinfo.uid = users.get(user,0)
|
|
|
+ tarinfo.gid = tarinfo.uid
|
|
|
+ elif tarinfo.name in restricted_files:
|
|
|
+ tarinfo.mode = restricted_files[tarinfo.name]
|
|
|
+
|
|
|
+ if tarinfo.name.startswith('src'):
|
|
|
+ # Let local own the files here
|
|
|
+ tarinfo.uid = users.get('local')
|
|
|
+ tarinfo.gid = tarinfo.uid
|
|
|
+ # Skip object files
|
|
|
+ if tarinfo.name.endswith('.so') or tarinfo.name.endswith('.o'):
|
|
|
+ return None
|
|
|
+
|
|
|
+ return tarinfo
|
|
|
+
|
|
|
+ with tarfile.open('cdrom/ramdisk.img','w') as ramdisk:
|
|
|
+ ramdisk.add('/',arcname='/',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/bin',arcname='/bin',filter=file_filter)
|
|
|
+ ramdisk.add('/',arcname='/usr',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/usr/share',arcname='/usr/share',filter=file_filter)
|
|
|
+ ramdisk.add('/',arcname='/usr/bin',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/',arcname='/usr/lib',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/usr/include',arcname='/usr/include',filter=file_filter)
|
|
|
+ ramdisk.add('/',arcname='/dev',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/',arcname='/cdrom',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/etc',arcname='/etc',filter=file_filter)
|
|
|
+ ramdisk.add('/',arcname='/var',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/',arcname='/tmp',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/',arcname='/proc',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('/home',arcname='/home',filter=file_filter)
|
|
|
+ ramdisk.add('/lib',arcname='/lib',filter=file_filter)
|
|
|
+ ramdisk.add('/opt',arcname='/opt',filter=file_filter)
|
|
|
+
|
|
|
+ ramdisk.add('.',arcname='/src',filter=file_filter,recursive=False) # Add a blank directory
|
|
|
+ ramdisk.add('apps',arcname='/src/apps',filter=file_filter)
|
|
|
+ ramdisk.add('kernel',arcname='/src/kernel',filter=file_filter)
|
|
|
+ ramdisk.add('linker',arcname='/src/linker',filter=file_filter)
|
|
|
+ ramdisk.add('lib',arcname='/src/lib',filter=file_filter)
|
|
|
+ ramdisk.add('libc',arcname='/src/libc',filter=file_filter)
|
|
|
+ ramdisk.add('boot',arcname='/src/boot',filter=file_filter)
|
|
|
+ ramdisk.add('modules',arcname='/src/boot',filter=file_filter)
|
|
|
+ ramdisk.add('/usr/bin/build-the-world.py',arcname='/usr/bin/build-the-world.py',filter=file_filter)
|
|
|
+
|
|
|
+
|
|
|
+if __name__ == '__main__':
|
|
|
+ try:
|
|
|
+ os.mkdir('cdrom')
|
|
|
+ except:
|
|
|
+ pass
|
|
|
+ print("Building the kernel...")
|
|
|
+ BuildKernel()
|
|
|
+ print("Building modules...")
|
|
|
+ BuildModules()
|
|
|
+ print("Createing ramdisk...")
|
|
|
+ BuildRamdisk()
|
|
|
+ print("Building ISO...")
|
|
|
+ BuildISO()
|