blob: 750fa87e51c9ebd8666951a7d52973112abcc920 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#!/bin/sh
REQUIRED_MB=250 # minimum megabytes available to offer install
MENUFIFO=/menu.fifo
DEBUG=y
SAMIZDAT_LOG_DIR=/run/initramfs/samizdat/log
debug_log()
{
if [ -n "$DEBUG" ]; then
if [ -n "$1" ]; then
DEBUG_LOG=$SAMIZDAT_LOG_DIR/"$1".$$.log
else
DEBUG_LOG=$SAMIZDAT_LOG_DIR/$(basename $0).$$.log
fi
mkdir -p $SAMIZDAT_LOG_DIR
exec >>$DEBUG_LOG 2>&1
set -x
fi
}
addmenu()
{
cat <<END >>$MENUFIFO # mind the tabs
setItem "$1" "dummy" "$2" "$3"
END
}
menutitle()
{
printf 'setTitle "%s"\n' "$1" >>$MENUFIFO
printf 'setWelcomeText "%s"\n' "$2" >>$MENUFIFO
}
force_grok_block()
{
udevadm trigger --subsystem-match=block --action=add
}
samizdat_install_udev_rules()
{
local target=/etc/udev/rules.d/z00_blockdev_mountroot.rules
[ -e "$target" ] && return
mkdir -p /etc/udev/rules.d
echo 'ACTION=="add", SUBSYSTEM=="block", RUN+="/bin/grok-block $env{DEVNAME}"' \
> "$target"
# 'udevadm trigger --action=add' does not work here; need to restard udevd
# first. not sure why
samizdat_restart_udev
udevadm trigger -s block --action add
}
bootmenu()
{
local do_trigger="$1" no_panic="$2"
OpenVT -f -c 7 -- dynmenu "$MENUFIFO" &&
chvt 7 &&
menutitle 'Samizdat\n\nAs the Internet develops there are\ntransitions in the management arrangements.\nThe time has come to take\na small step in one of those transitions.' 'Choose an installation target.'
# menutitle 'Samizdat\nfreedom from surveillance\nno trusted authorities' 'Choose an installation target.'
addmenu "ramdisk" "[ Boot to RAM without installing anything ]" "menu-select boot-ram"
addmenu "poweroff" "[ Shut down the system immediately ]" "poweroff -f"
if [ $? != 0 -a ! "$no_panic" ]; then
panic "error loading boot menu! the system won't be usable :("
fi
if [ "$do_trigger" ]; then
force_grok_block
fi
}
netbooting()
{
[ "$nbdroot" ]
}
xtrace()
{
case "$-" in
*x*) "$@" ;;
*) set -x; "$@"; set +x ;;
esac
}
sleepcmd() {
local t=$1
shift
echo "about to run '$*' (in $t)"
sleep $t
"$@"
}
sleep_forever_verbose() {
sleep 4294967295 &
local sleep=$!
warn "sleeping until you kill $sleep..."
wait $sleep
}
warn() { [ -z "$warnings" ] || echo "$@" >&2; }
panic()
{
set +x
exec </dev/tty1 >/dev/tty1 2>&1
reset
echo "[p$$] initramfs /init: fatal error: $@"
echo "[p$$] will now exec emergency shell"
export PS1="[p$$ \\w]# "
chvt 1
exec /bin/sh -i
}
bootwait()
{
mkdir -p /bootwait
local i=$#; while [ $i -gt 0 ]; do
i=$((i-1))
local f="$1"; shift; set -- "$@" "/bootwait/$f"
done
wait_for_files "$@"
}
bootdone()
{
mkdir -p /bootwait
local i=$#; while [ $i -gt 0 ]; do
i=$((i-1))
local f="$1"; shift; set -- "$@" "/bootwait/$f"
done
touch "$@"
}
my_openvt()
{
/bin/openvt -c "$@"
}
# This runs before way before NTP and on a LiveCD we have no
# reason to trust the system clock.
gpg2_nobatch() { GPG_TTY=$(tty) command gpg2 --ignore-time-conflict --ignore-valid-from "$@"; }
gpg2() { gpg2_nobatch --batch "$@"; }
xcp() { if [ -f "$1" -a ! -f "$2" ]; then cp "$1" "$2"; fi; }
|
