b82d2aab98b460f1db6a36e446e11c72684d618f
[live-boot-grml.git] / scripts / live-bottom / 25configure_init
1 #!/bin/sh
2
3 #set -e
4
5 # initramfs-tools header
6
7 PREREQ=""
8
9 prereqs()
10 {
11         echo "${PREREQ}"
12 }
13
14 case "${1}" in
15         prereqs)
16                 prereqs
17                 exit 0
18                 ;;
19 esac
20
21 # live-boot header
22
23 . /scripts/live-functions
24
25 log_begin_msg "Setting up init"
26
27 # live-boot script
28
29 # Arrange for shells on virtual consoles, rather than login prompts
30
31 USERNAME="user"
32
33 if [ -z "${NOAUTOLOGIN}" ] && [ -n "${USERNAME}" ]
34 then
35         if [ ! -z "${LIVE_GETTY}" ]
36         then
37                 if echo "${DEFCONSOLE}" | grep -qs ttyS
38                 then
39                         # AUTOMATIC SERIAL CONSOLE #
40                         PORT=$(echo "${DEFCONSOLE}" | \
41                                 sed -e 's%,.*%%')
42                         SPEED=$(echo "${DEFCONSOLE}" | \
43                                 sed -e 's%ttyS[0-9]\+,%%' \
44                                 -e's%\([0-9]\+\).*%\1%')
45
46                         if ! ( sed -n -e'/^[^#]/p' /root/etc/inittab | grep -qs ":respawn:/sbin/getty.*${PORT}" )
47                         then
48                                 IDs="A B C D E F G H I J K L M N O P Q R S T Q U V V X Y Z 0 1 2 3 4 5 6 7 8 9"
49
50                                 for ID1 in ${IDs}
51                                 do
52                                         for ID2 in ${IDs}
53                                         do
54                                                 ID="${ID1}${ID2}"
55
56                                                 if ! grep "^${ID}:" /etc/inittab
57                                                 then
58                                                         #make sure it is not already in use
59                                                         break 2
60                                                 fi
61                                         done
62                                 done
63
64                                 echo "${ID}:2345:respawn:/sbin/live-getty -L ${PORT} ${SPEED} vt100" >> /root/etc/inittab
65                         fi
66                 fi
67
68                 if [ -f /root/etc/inittab ]
69                 then
70                         sed -i -e'/^[^#]/s%respawn:/sbin/getty%respawn:/sbin/live-getty%' /root/etc/inittab
71                 fi
72         else
73                 if [ -f /root/etc/inittab ]
74                 then
75                         sed -i -e "s|^\([^:]*:[^:]*:[^:]*\):.*getty.*\<\(tty[0-9]*\).*$|\1:/bin/login -f ${USERNAME} </dev/\2 >/dev/\2 2>\&1|" /root/etc/inittab
76                 fi
77
78                 if [ "/root/etc/init/tty*" != "$(echo /root/etc/init/tty*)" ]
79                 then
80                         for f in /root/etc/init/tty*
81                         do
82                                 sed -i -e "s|^exec.*|exec /bin/login -f $USERNAME </dev/$(basename $f .conf) > /dev/$(basename $f .conf) 2>\&1|" $f
83                         done
84                 fi
85         fi
86
87         # Since we use autologin, lastlog doesn't make sense on the console.
88         sed -i '/^[^#].*pam_lastlog\.so/s/^/# /' /root/etc/pam.d/login
89 fi
90
91 # do not try to remove files if using file-rc
92 if [ -d /root/etc/rc0.d ]
93 then
94         # This has the nice side effect of the cron.{daily,weekly,monthly} jobs in
95         # /etc/crontab remaining disabled, yet also not run by anacron
96         if [ -x /root/usr/sbin/anacron ]
97         then
98                 chroot /root dpkg-divert --add --rename --quiet /usr/sbin/anacron
99                 ln -s /bin/true /root/usr/sbin/anacron
100         fi
101
102         # Avoid clobbering the user's clock
103         rm -f /root/etc/rc?.d/K??hwclock.sh /root/etc/init/hwclock-save.conf
104 fi
105
106 # Disable readahead since it doesn't play well with squashfs + unionfs
107 # use chmod instead of mv to not trigger unionfs bugs.
108 if [ -e /root/sbin/readahead-list ]
109 then
110         chmod -x /root/sbin/readahead-list
111 fi
112
113 # Disable ureadahead too since we don't ship a pack file for it anyway, so
114 # all we'll end up doing is profiling the live CD boot. ureadahead also
115 # breaks partman occasionally by reading from its synchronisation FIFOs.
116 rm -f /root/etc/init/ureadahead.conf
117
118 log_end_msg
119
120 exit 0