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7 Commits
v3.06 ... v3.09

11 changed files with 46 additions and 17 deletions

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@@ -1,4 +1,6 @@
#!/bin/env python3
import argparse
import host
import prep
import bchroot
@@ -10,15 +12,15 @@ import bsync
import bGPG
import os
# we need to:
# we also need to figure out how to implement "mentos" (old bdisk) like functionality, letting us reuse an existing chroot install if possible to save time for future builds.
# if not, though, it's no big deal.
# still on the todo: iPXE
if __name__ == '__main__':
def bdisk(args):
# we also need to figure out how to implement "mentos" (old bdisk) like functionality, letting us reuse an
# existing chroot install if possible to save time for future builds.
# if not, though, it's no big deal.
if os.getuid() != 0:
exit('{0}: ERROR: BDisk *must* be run as the root user or with sudo!'.format(datetime.datetime.now()))
print('{0}: Starting.'.format(datetime.datetime.now()))
conf = host.parseConfig(host.getConfig())[1]
conf = host.parseConfig(host.getConfig(conf_file = args['buildini']))[1]
prep.dirChk(conf)
conf['gpgobj'] = bGPG.genGPG(conf)
prep.buildChroot(conf, keep = False)
@@ -50,3 +52,20 @@ if __name__ == '__main__':
bsync.git(conf)
bsync.rsync(conf)
print('{0}: Finish.'.format(datetime.datetime.now()))
def parseArgs():
args = argparse.ArgumentParser(description = 'BDisk - a tool for building live/rescue media.',
epilog = 'brent s. || 2017 || https://bdisk.square-r00t.net')
args.add_argument('buildini',
metavar = '/path/to/build.ini',
default = '/etc/bdisk/build.ini',
nargs = '?',
help = 'The full/absolute path to the build.ini to use for this run. The default is /etc/bdisk/build.ini, but see https://bdisk.square-r00t.net/#the_code_build_ini_code_file.')
return(args)
def main():
args = vars(parseArgs().parse_args())
bdisk(args)
if __name__ == '__main__':
main()

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@@ -32,7 +32,7 @@ def http(conf):
datetime.datetime.now(),
httpdir))
for a in arch:
for i in ('md5', 'sfs', 'sha256'):
for i in ('md5', 'sfs', 'sha256', 'sha512'):
httpfiles['{0}/{1}/airootfs.{2}'.format(bdisk['name'], a, i)] = '{0}/{1}/airootfs.{2}'.format(bdisk['name'], a, i)
httpfiles['VERSION_INFO.txt'] = 'VERSION_INFO.txt'
if 'x86_64' in arch:
@@ -81,7 +81,7 @@ def tftp(conf):
datetime.datetime.now(),
tftpdir))
for a in arch:
for i in ('md5', 'sfs', 'sha256'):
for i in ('md5', 'sfs', 'sha256', 'sha512'):
tftpfiles['{0}/{1}/airootfs.{2}'.format(bdisk['name'], a, i)] = '{0}/{1}/airootfs.{2}'.format(bdisk['name'], a, i)
tftpfiles['VERSION_INFO.txt'] = 'VERSION_INFO.txt'
if 'x86_64' in arch:

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@@ -21,6 +21,7 @@ def genImg(conf):
basedir = build['basedir']
prepdir = build['prepdir']
hashes = {}
hashes['sha512'] = {}
hashes['sha256'] = {}
hashes['md5'] = {}
squashfses = []
@@ -52,9 +53,10 @@ def genImg(conf):
humanize.naturalsize(
os.path.getsize(squashimg))))
# Generate the checksum files
print("{0}: [BUILD] Generating SHA256, MD5 checksums ({1})...".format(
print("{0}: [BUILD] Generating SHA512 SHA256, MD5 checksums ({1})...".format(
datetime.datetime.now(),
squashimg))
hashes['sha512'][a] = hashlib.sha512()
hashes['sha256'][a] = hashlib.sha256()
hashes['md5'][a] = hashlib.md5()
with open(squashimg, 'rb') as f:
@@ -63,8 +65,11 @@ def genImg(conf):
if not stream:
break
# NOTE: these items are hashlib objects, NOT strings!
hashes['sha512'][a].update(stream)
hashes['sha256'][a].update(stream)
hashes['md5'][a].update(stream)
with open(airoot + 'airootfs.sha512', 'w+') as f:
f.write("{0} airootfs.sfs\n".format(hashes['sha512'][a].hexdigest()))
with open(airoot + 'airootfs.sha256', 'w+') as f:
f.write("{0} airootfs.sfs\n".format(hashes['sha256'][a].hexdigest()))
with open(airoot + 'airootfs.md5', 'w+') as f:

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@@ -21,7 +21,8 @@ def buildIPXE(conf):
srcdir = build['srcdir']
embedscript = build['dlpath'] + '/EMBED'
ipxe_src = srcdir + '/ipxe'
ipxe_git_uri = 'git://git.ipxe.org/ipxe.git'
#ipxe_git_uri = 'git://git.ipxe.org/ipxe.git'
ipxe_git_uri = 'http://git.ipxe.org/ipxe.git'
print('{0}: [IPXE] Prep/fetch sources...'.format(
datetime.datetime.now()))
# Get the source

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@@ -1,6 +1,6 @@
-investigate weird signing issue- if you specify a key to sign with, it appears that the squashed images (at least in the http dir) doesn't have a sig/asc. do they need to copy it over? or is it not even signing them?
-switch from python-pygpgme to python-gpgme for better performance. also clean up bGPG in general; reference KANT.
## Missing v2.x functionality ##
-i_am_a_racecar optimizations
- different distro guests (debian, etc.)- https://stackoverflow.com/questions/2349991/python-how-to-import-other-python-files/20749411#20749411
-incorporate this into the manual?

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@@ -1,6 +1,6 @@
= BDisk User and Developer Manual
Brent Saner <bts@square-r00t.net>
v1.2, 2017-05-11
v1.3, 2017-08-20
:doctype: book
:data-uri:
:imagesdir: images

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@@ -3,7 +3,7 @@ This file is where you can specify some of the very basics of BDisk building. It
It's single-level, but divided into "sections". This is unfortunately a limitation of ConfigParser, but it should be easy enough to follow.
Blank lines are ignored, as well as any lines beginning with `#` and `;`. There are some restrictions and recommendations for some values, so be sure to note them when they occur. Variables referencing other values in the `build.ini` are allowed in the format of `${value}` if it's in the same section; otherwise, `${section:value}` can be used.
Blank lines are ignored, as well as any lines beginning with `#` and `;`. There are some restrictions and recommendations for some values, so be sure to note them when they occur. Variables referencing other values in the `build.ini` are allowed in the format of `${keyname}` if it's in the same section; otherwise, `${section:keyname}` can be used.
If you want to use your own `build.ini` file (and you should!), the following paths are searched in order. The first one found will be used.

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@@ -64,6 +64,8 @@ While not strictly necessary, these will greatly enhance your BDisk usage. I've
NOTE: If you do not wish to install any of these or cannot install them, be sure to disable the relevant options in the `build.ini` file (we'll talk about that later). The default `extra/dist.build.ini` should be sane enough to not require any of these.
* http://cdrtools.sourceforge.net/private/cdrecord.html[cdrtools^]
** Needed for building iPXE.
* http://gcc.gnu.org[gcc (multilib)^] (>=6.x)
** Needed for building iPXE.
* http://gcc.gnu.org[gcc-libs (multilib)^] (>=6.x)

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@@ -17,7 +17,7 @@ First, create a file: `<basedir>/overlay/etc/ssh/sshd_config` using the followin
Subsystem sftp /usr/lib/ssh/sftp-server
KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com
We'll also want to implement a more secure `ssh_config` file to avoid possible leaks. The following is `<basedir>/overlay/etc/ssh/ssh_config`:
@@ -28,7 +28,7 @@ We'll also want to implement a more secure `ssh_config` file to avoid possible l
PubkeyAuthentication yes
HostKeyAlgorithms ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com
We'll want to create our own moduli. This can take a long time, but only needs to be done once -- it doesn't need to be done for every build. The following commands should be run in `<basedir>/overlay/etc/ssh/`:

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@@ -1,5 +1,7 @@
#/bin/sh -
locale-gen
#chmod 4755 /opt/google/chrome-beta/chrome-sandbox
chmod 4755 /usr/bin/sudo

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@@ -198,7 +198,7 @@ net-snmp
netselect
nettle
networkmanager-pptp
nginx-devel
nginx-mainline
ngrep
nmap
nmon