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rootfs cleanups - added fs/network init, syslogd, telnetd, serial console, dhcp client

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This commit is contained in:
Jaroslav Kysela
2015-03-27 21:55:18 +01:00
parent dc7829405f
commit 5fb9750a37
8 changed files with 152 additions and 105 deletions
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133
tools/do_min_fs.py
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@@ -11,6 +11,7 @@ def run_cmd(cmd):
You can use the builtin 'command' module.
Like: command.getoutput()
"""
print cmd
try:
cmd = str(cmd) + ' > output.txt'
# print 'command: ' + cmd
@@ -167,42 +168,11 @@ def del_line_feed(my_list):
#---------------------------------------
def setup_busybox():
cmd = 'cp ' + target_prefix + '/bin/busybox fs/bin'
run_cmd(cmd)
busybox_cmds = ['sh', 'ls', 'echo', 'mount', 'umount', 'pwd', 'mv', 'cp', 'rm', 'ln', \
'mkdir', 'vi', 'cat', 'halt']
for a in busybox_cmds:
cmd = ' ln -s /bin/busybox fs/bin/' + str(a)
run_cmd(cmd)
print cmd
run_cmd('cp ' + target_prefix + '/bin/busybox fs/bin')
cmd = 'ln -s /bin/busybox fs/sbin/init'
run_cmd(cmd)
print cmd
cmd = 'ln -s /sbin/init fs/init'
run_cmd(cmd)
print cmd
# init.d/rcS
fd = open('fs/etc/init.d/rcS', 'wr')
fd.write('#!/bin/bash\n echo "Welcome to a custom minimal file system"\n mount -t proc proc /proc\n mount -o remount,noatime /dev/root /')
fd.close()
cmd = ' chmod a+x fs/etc/init.d/rcS '
run_cmd(cmd)
print cmd
# init.d/rcSBB
fd2 = open('fs/etc/init.d/rcSBB', 'wr')
# fd2.write('#!/bin/sh\n # example rcS script\n echo "Welcome to STLinux!"\n mount -t proc proc /proc\n mount -n -o remount,rw /\n mount -t devpts none /dev/pts -ogid=5,mode=620\n /usr/sbin/telnetd -l /bin/sh')
fd2.write('#!/bin/sh\n # example rcS script\n echo "Welcome to STLinux!"\n mount -t proc proc /proc\n mount -n -o remount,rw /\n mount -t devpts none /dev/pts -ogid=5,mode=620\n /bin/sh')
fd2.close()
cmd = ' chmod a+x fs/etc/init.d/rcSBB '
run_cmd(cmd)
print cmd
cmd = ' chmod a+x fs/etc/init.d/rcSBB '
run_cmd(cmd)
print cmd
run_cmd(' ln -s /bin/busybox fs/sbin/init')
run_cmd(' ln -s /bin/busybox fs/init')
run_cmd(' ln -s /bin/busybox fs/bin/sh')
#-----------------------------------------------
@@ -210,13 +180,10 @@ def setup_sysvinit():
print 'setup_sysvinit target_prefix ' + str(target_prefix)
bin = ['/usr/bin/passwd', '/bin/egrep']
for j in bin:
cmd = 'cp ' + target_prefix + j + ' fs' + j
run_cmd(cmd)
print cmd
run_cmd('cp ' + target_prefix + j + ' fs' + j)
# link sh --> bash
cmd = ' cd fs/bin; ln -s bash sh'
get_cmd_output(cmd)
run_cmd(' cd fs/bin; ln -s bash sh')
# run_cmd('cp -a ' + target_prefix + '/etc/inittab' + ' fs/etc/')
# run_cmd('cp -a ' + target_prefix + '/etc/inittabBB' + ' fs/etc/')
@@ -264,37 +231,10 @@ def setup_sysvinit():
#cmd = ' cd fs/etc/rc.d/; ln -s ../init.d init.d'
#get_cmd_output(cmd)
cmd = ' chmod a+x fs/lib/* '
run_cmd(cmd)
print cmd
cmd = ' chmod a+x fs/usr/lib/* '
run_cmd(cmd)
print cmd
cmd = 'cp -d ' + target_prefix + '/usr/lib/libwrap*' + ' fs/usr/lib/'
run_cmd(cmd)
print cmd
cmd = 'cp -d ' + target_prefix + 'lib/libnsl*' + ' fs/usr/lib/'
run_cmd(cmd)
print cmd
#------------------------------------------------
def make_dev():
device_list = ['console c 5 1 ' , 'null c 1 3 ', 'fb0 c 29 0 ', 'fbcondecor c 10 63 ', \
'ram0 b 1 0 ', 'ram1 b 1 1 ', 'ram2 b 1 2 ', 'ram3 b 1 3 ', 'ram4 b 1 4 ', 'ram5 b 1 5 ', \
'ram6 b 1 6 ', 'ram7 b 1 7 ', 'ram8 b 1 8 ', 'ram9 b 1 9 ', 'ram10 b 1 10 ', 'ram11 b 1 11 ', \
'ram12 b 1 12 ', 'ram13 b 1 13 ', 'ram14 b 1 14 ', 'ram15 b 1 15 ', 'ram16 b 1 16 ', \
'rtc c 10 135 ', 'sda1 b 8 1 ', 'timer c 116 33 ', 'tty c 5 0 ', 'tty0 c 4 0 ', \
'tty1 c 4 1 ', 'tty2 c 4 2 ', 'tty10 c 4 10 ', 'tty16 c 4 16 ']
for i in device_list:
cmd = 'mknod fs/dev/' + i
print cmd
run_cmd(cmd)
run_cmd(' ln -s ram1 fs/dev/ram ')
run_cmd(' chmod a+x fs/lib/* ')
run_cmd(' chmod a+x fs/usr/lib/* ')
run_cmd('cp -d ' + target_prefix + '/usr/lib/libwrap*' + ' fs/usr/lib/')
run_cmd('cp -d ' + target_prefix + 'lib/libnsl*' + ' fs/usr/lib/')
#------------------------------------------------
@@ -305,15 +245,10 @@ def gen_fs(lib_list, init_type):
"""
print '\t coping libraries and binary files \n'
run_cmd('rm -rf fs fs.cpio')
run_cmd('mkdir -p fs/sbin')
run_cmd('mkdir -p fs/bin')
run_cmd('mkdir -p fs/dev')
run_cmd('mkdir -p fs/etc')
run_cmd('mkdir -p fs/lib')
run_cmd('mkdir -p fs/tmp')
run_cmd('mkdir -p fs/proc')
run_cmd('mkdir -p fs/usr')
run_cmd('mkdir -p fs/var')
for i in ['sbin', 'bin', 'dev', 'sys', 'etc', 'lib', 'tmp', 'proc', 'usr', 'var', 'root']:
run_cmd('mkdir -p fs/' + i)
for i in ['sbin', 'bin']:
run_cmd('mkdir -p fs/usr/' + i)
for i in lib_list:
@@ -324,12 +259,10 @@ def gen_fs(lib_list, init_type):
fs_dir = target_dir.replace(target_prefix, '')
run_cmd('mkdir -p ' + 'fs/' + fs_dir)
run_cmd('cp -a ' + i + ' fs/' + fs_dir)
print 'cp -a ' + i + ' fs/' + fs_dir
if (target_dir.find('/bin') >=0):
fs_dir = target_dir.replace(target_prefix, '')
run_cmd('mkdir -p ' + 'fs/' + fs_dir)
run_cmd('cp -a ' + i + ' fs/' + fs_dir)
#run_cmd('cp ' + i + ' fs/' + fs_dir)
if (target_dir.find('/dev') >=0):
fs_dir = target_dir.replace(target_prefix, '')
run_cmd('mkdir -p ' + 'fs/' + fs_dir)
@@ -351,35 +284,21 @@ def gen_fs(lib_list, init_type):
#print cmd
#run_cmd(cmd)
cmd = ' cp ' + target_prefix + '/etc/{passwd,group,hosts} fs/etc '
run_cmd(cmd)
print cmd
run_cmd(' cp ' + target_prefix + '/etc/{passwd,group,hosts} fs/etc ')
make_dev()
cmd = ' chmod a+x fs/lib/lib* '
run_cmd(cmd)
cmd = ' chmod a+x fs/etc/* '
run_cmd(cmd)
run_cmd(' chmod a+x fs/lib/lib* ')
run_cmd(' chmod a+x fs/etc/* ')
print '\t====== coping additional libs ========'
# libnss_* are required from login; but it's not possible get by ldd cmd
cmd = 'cp -d ' + target_prefix + '/lib/libnss*' + ' fs/lib/'
run_cmd(cmd)
print cmd
cmd = 'cp -d ' + target_prefix + '/lib/libnss_nis*' + ' fs/lib/'
run_cmd(cmd)
print cmd
cmd = 'cp -d ' + target_prefix + '/lib/libnss_nisplus*' + ' fs/lib/'
run_cmd(cmd)
print cmd
run_cmd('cp -d ' + target_prefix + '/lib/libnss*' + ' fs/lib/')
run_cmd('cp -d ' + target_prefix + '/lib/libnss_nis*' + ' fs/lib/')
run_cmd('cp -d ' + target_prefix + '/lib/libnss_nisplus*' + ' fs/lib/')
# libgcc_s.so.1 is reqired from libpthread but it's not possible get it by ldd cmd
for i in lib_list:
if i.find('libpthread') >= 0:
cmd = 'cp -a ' + target_prefix + '/lib/libgcc_*' + ' fs/lib/'
run_cmd(cmd)
print cmd
run_cmd('cp -a ' + target_prefix + '/lib/libgcc_*' + ' fs/lib/')
print '\t======================================='
if init_type == 'busybox':
@@ -550,7 +469,6 @@ def get_common_path(s1, s2):
com = str(com) + '*'
return com
## ================================================================
## Main
## =================================================================
@@ -626,4 +544,11 @@ for j in library_list:
print ' ' + 30*'=' + '\n'
gen_fs(library_list, boot_type)
run_cmd('cp -av fs-add/* fs')
files = run_cmd('find fs -name "*~"')
for f in files:
run_cmd('rm ' + f.strip())
for r in ['usr/bin/bashbug']:
if os.path.exists('fs/' + r):
run_cmd('rm fs/' + r)
do_cpio('fs')