rev |
line source |
pascal@276
|
1 #!/bin/sh
|
pascal@276
|
2
|
paul@351
|
3 ### cached kernel parameters :
|
pascal@341
|
4 #
|
pascal@341
|
5 # modprobe=
|
pascal@341
|
6 # list of modules to load, example modprobe=r8169,btrfs
|
pascal@341
|
7 #
|
pascal@342
|
8 ### Frugal mode or live CD : using a root ram disk.
|
pascal@341
|
9 #
|
pascal@341
|
10 # tmpram= [RAMDISK]
|
pascal@341
|
11 # minimum % of free RAM to build the root tmpfs, default 100
|
pascal@341
|
12 # a lower value may work, such as 50
|
pascal@341
|
13 # rootfssize= [RAMDISK]
|
pascal@341
|
14 # size of / regarding the RAM size, default 90%
|
pascal@407
|
15 # rootfsinodes= [RAMDISK]
|
pascal@408
|
16 # files count of / regarding the RAM size, default 0 (unlimited)
|
pascal@341
|
17 #
|
pascal@342
|
18 ### Indirect mode ; an initramfs is used to mount root from the hard disk.
|
pascal@342
|
19 ### Any rootfs should fit, minimum required is slitaz-base.
|
pascal@341
|
20 #
|
pascal@341
|
21 # mount= [MOUNT]
|
pascal@341
|
22 # device with root loop file or sub directory
|
pascal@341
|
23 # posixovl [MOUNT]
|
pascal@341
|
24 # use posix attributes on a non posix filesystem (VFAT, NTFS...)
|
pascal@341
|
25 # loopfs= [MOUNT]
|
pascal@341
|
26 # loop file for root filesystem
|
pascal@341
|
27 # subroot= [MOUNT]
|
pascal@341
|
28 # sub directory for root filesystem
|
paul@351
|
29 # bindfs= [MOUNT] (deprecated)
|
pascal@341
|
30 # bind out of root tree part
|
pascal@341
|
31 #
|
pascal@342
|
32 ### Special disk mode ; needs extra modules/softwares from preinit flavor.
|
pascal@341
|
33 #
|
pascal@341
|
34 # dmraid= [RAID]
|
pascal@341
|
35 # root semi hardware raid device name in /dev/mapper
|
pascal@341
|
36 # softraid= [RAID]
|
pascal@341
|
37 # root software device name in /dev/mapper
|
pascal@341
|
38 # lvmroot= [LVM]
|
pascal@341
|
39 # root logical volume name in /dev/mapper
|
pascal@341
|
40 # cryptoroot= [CRYPTO]
|
pascal@341
|
41 # encrypted root device using luks or loop-aes
|
pascal@341
|
42 #
|
pascal@341
|
43 ### Special mode used by loram flavor with aufs & squashfs
|
pascal@342
|
44 ### incremental/nested rootfs (russian dolls).
|
pascal@341
|
45 #
|
pascal@341
|
46 # rodev= [LORAM][MERGE]
|
pascal@341
|
47 # device (+ optional path) for the read only aufs branch
|
pascal@341
|
48 # rwdev= [LORAM][MERGE]
|
paul@351
|
49 # (persistent) device for the r/w aufs branch instead of the ramfs
|
pascal@341
|
50 # isofs [LORAM]
|
pascal@341
|
51 # do not use squashfs filesystem images, but the cdrom filesystem only
|
pascal@341
|
52
|
pascal@314
|
53 fail()
|
pascal@278
|
54 {
|
pascal@314
|
55 echo -e '\033[70G[ \033[1;3'${1:-1mFailed}'\033[0;39m ]'
|
pascal@278
|
56 }
|
pascal@278
|
57
|
pascal@314
|
58 quit()
|
pascal@276
|
59 {
|
pascal@314
|
60 [ -d /mnt$4/etc ] || return
|
al@373
|
61 [ -n "$4" ] || busybox mount /mnt -o remount,ro
|
al@373
|
62 busybox mount --move /run /mnt/${1:-run}
|
pascal@314
|
63 cat>/run/init<<EOT
|
pascal@314
|
64 $2
|
pascal@314
|
65 x=/sbin/switch_root
|
pascal@314
|
66 [ -x \$x ] && exec \$x mnt $3 /sbin/init
|
pascal@276
|
67 EOT
|
pascal@314
|
68 fail 2mDone
|
pascal@314
|
69 exit
|
pascal@276
|
70 }
|
pascal@276
|
71
|
pascal@314
|
72 arg()
|
pascal@276
|
73 {
|
pascal@314
|
74 grep -q $1 /proc/cmdline
|
pascal@276
|
75 }
|
pascal@276
|
76
|
pascal@314
|
77 got()
|
pascal@276
|
78 {
|
pascal@314
|
79 arg $1= && root="$(sed "s/.*$1=\([^ ]*\).*/\1/" </proc/cmdline)"
|
pascal@276
|
80 }
|
pascal@276
|
81
|
pascal@314
|
82 msg()
|
pascal@276
|
83 {
|
pascal@317
|
84 echo "Switching / to $1..."
|
pascal@276
|
85 }
|
pascal@276
|
86
|
pascal@314
|
87 use()
|
pascal@276
|
88 {
|
pascal@315
|
89 got $1 && msg "$1 $root"
|
pascal@276
|
90 }
|
pascal@276
|
91
|
pascal@314
|
92 mnt()
|
pascal@276
|
93 {
|
pascal@406
|
94 r=$(blkid 2> /dev/null | sed "s|\"||g;/$(echo $root | tr / .)/!d;s|:.*||;q")
|
pascal@382
|
95 r=${r:-$root}
|
pascal@343
|
96 r=${r#/dev/}
|
pascal@314
|
97 r=/dev/${r%%/*}
|
pascal@314
|
98 d=${root#*$r}
|
al@373
|
99 busybox mount $r $1 && return
|
pascal@314
|
100 w=$(cat /sys/module/usb_storage/parameters/delay_use)
|
pascal@314
|
101 w=$((1+${w:-2}))
|
pascal@314
|
102 echo -n "Sleep $w seconds..."
|
pascal@314
|
103 sleep $w
|
al@373
|
104 busybox mount $r $1
|
pascal@314
|
105 }
|
pascal@314
|
106
|
pascal@314
|
107 mod()
|
pascal@314
|
108 {
|
al@373
|
109 for i in $@; do
|
al@373
|
110 echo "Loading module: $i"
|
al@393
|
111 modprobe $i 2>/dev/null || busybox insmod $(find /lib/modules|sed "/$i.ko/!dq")
|
pascal@341
|
112 done
|
pascal@314
|
113 }
|
pascal@314
|
114
|
pascal@323
|
115 try()
|
pascal@314
|
116 {
|
al@373
|
117 if [ ! -d /mnt/etc ] && got cryptoroot; then
|
al@373
|
118 mod dm-mod dm-crypt aes-256
|
pascal@314
|
119 d=${root#/dev/}
|
pascal@314
|
120 l=crypto-$d
|
pascal@314
|
121 if cryptsetup isLuks $root 2>/dev/null; then
|
pascal@314
|
122 cryptsetup luksOpen $root $l
|
pascal@314
|
123 else
|
pascal@314
|
124 read -st 60 -p "Pass phrase : " p
|
pascal@314
|
125 k=$(echo $p|hashalot -x -n 32 sha512)
|
pascal@314
|
126 echo 0 $(cat $(find /sys/block|grep /$d/size))\
|
pascal@314
|
127 crypt aes-plain $k 0 $root 0|dmsetup create $l
|
pascal@314
|
128 fi
|
pascal@375
|
129 busybox mount /dev/mapper/$l /mnt
|
pascal@314
|
130 fi
|
pascal@314
|
131 got subroot && return
|
pascal@314
|
132 got loopfs && return
|
al@373
|
133 if [ -d /mnt/etc ]; then
|
al@373
|
134 for i in $@; do
|
al@373
|
135 cp -a $i /mnt$(dirname $i)
|
al@373
|
136 done
|
pascal@314
|
137 quit
|
pascal@314
|
138 fi
|
pascal@314
|
139 fail
|
pascal@314
|
140 }
|
pascal@314
|
141
|
pascal@323
|
142 lvm()
|
pascal@314
|
143 {
|
pascal@314
|
144 use lvmroot || return
|
pascal@314
|
145 mod dm-mod
|
pascal@314
|
146 vgscan --ignorelockingfailure
|
pascal@314
|
147 vgchange -ay --ignorelockingfailure
|
al@373
|
148 busybox mount /dev/mapper/$root /mnt
|
pascal@323
|
149 try /dev/mapper $1
|
pascal@314
|
150 }
|
pascal@314
|
151
|
pascal@314
|
152 ldraid()
|
pascal@314
|
153 {
|
al@393
|
154 while read l; do
|
al@393
|
155 case "$l" in
|
al@393
|
156 *raid10*) mod raid10;;
|
al@393
|
157 *raid0*) mod raid0;;
|
al@393
|
158 *raid1*) mod raid1;;
|
al@393
|
159 *raid*) mod raid456;;
|
al@393
|
160 *mirror*) mod dm-mirror;;
|
al@393
|
161 esac
|
pascal@276
|
162 done
|
pascal@276
|
163 }
|
pascal@276
|
164
|
al@373
|
165 if [ "$1" != "log" ]; then
|
al@373
|
166 busybox mount -t proc proc /proc
|
al@373
|
167 busybox mount -t sysfs sys /sys
|
al@373
|
168 busybox mount -t tmpfs tmpfs /run
|
pascal@408
|
169 for i in /sys/block/*/dev /sys/block/*/*/dev ; do
|
pascal@408
|
170 n=/dev/$(basename ${i%/dev})
|
pascal@408
|
171 [ -e $n ] || mknod $n b $(sed 's/:/ /' < $i)
|
pascal@408
|
172 done
|
pascal@314
|
173 x=/sbin/init; echo "[ -x $x ] && exec $x" >/run/init
|
pascal@314
|
174 $0 log 2>&1 | tee /run/boot.log
|
al@373
|
175 busybox umount /proc
|
al@373
|
176 busybox umount /sys
|
pascal@310
|
177 . /run/init
|
pascal@314
|
178 sh
|
pascal@314
|
179 fi
|
pascal@341
|
180 got modprobe && mod ${root//,/ }
|
pascal@384
|
181 [ -d /proc/sys/dev/cdrom ] &&
|
al@393
|
182 ln -s $(sed '/name/!d;s/.*:[^a-z]*//' /proc/sys/dev/cdrom/info) /dev/cdrom
|
al@393
|
183 if use dmraid; then
|
al@393
|
184 dmraid -s | sed '/^type/!ds/.*: *//' | ldraid
|
pascal@314
|
185 [ ${root:0:4} = /dev ] ||
|
al@393
|
186 root=/dev/mapper/$(dmraid -s|sed '/^name/!ds/.*: *//')p${root#p}
|
pascal@314
|
187 dmraid -ay
|
pascal@314
|
188 fi
|
pascal@399
|
189 use raiddev && raiddev="DEVICE ${root//,/ }"
|
pascal@399
|
190 use raidmail && raidmail="MAILADDR $root"
|
al@393
|
191 if use softraid; then
|
al@393
|
192 mdadm -E -s -c partitions > /etc/mdadm.conf
|
pascal@399
|
193 [ "$raiddev" ] && echo "$raiddev" >> /etc/mdadm.conf
|
pascal@399
|
194 [ "$raidmail" ] && echo "$raidmail" >> /etc/mdadm.conf
|
pascal@314
|
195 grep -qs " $root " /etc/mdadm.conf ||
|
al@393
|
196 root=$(awk '/dev.md/{print $2;exit}' < /etc/mdadm.conf)
|
al@393
|
197 grep level=raid /etc/mdadm.conf | ldraid
|
al@393
|
198 for i in 1 2 3 4 5 6 7 8 9; do
|
al@393
|
199 sleep $i
|
pascal@314
|
200 mdadm -A -s
|
pascal@314
|
201 grep -qs ': act' /proc/mdstat && break
|
pascal@314
|
202 done
|
pascal@323
|
203 lvm /etc/mdadm.conf
|
pascal@314
|
204 fi
|
pascal@323
|
205 lvm
|
al@393
|
206 if got mount; then
|
al@393
|
207 dev=$root
|
pascal@315
|
208 x=$(blkid|grep $dev|sed 's/:.*//;q')
|
pascal@315
|
209 root=${x:-$dev}
|
pascal@314
|
210 [ "$dev" = "$root" ] || dev="$root ($dev)"
|
pascal@314
|
211 echo "Mount $dev..."
|
pascal@314
|
212 mnt /mnt
|
pascal@353
|
213 arg posixovl && echo "And posixovl..." &&
|
pascal@354
|
214 mount.posixovl -F /mnt -- -oallow_other -odefault_permissions -osuid
|
pascal@314
|
215 fi
|
pascal@314
|
216 got loopfs && echo "Into file $root..." &&
|
al@373
|
217 losetup /dev/loop0 /mnt/$root && busybox mount /dev/loop0 /mnt
|
pascal@317
|
218 got bindfs && echo "Bind ${root/,/ to }..." &&
|
al@373
|
219 busybox mount --bind /mnt/${root%,*} /mnt/${root/,//}
|
pascal@323
|
220 arg cryptoroot= && try
|
al@393
|
221 if use subroot; then
|
al@393
|
222 cp $(LD_TRACE_LOADED_OBJECTS=1 /lib/ld*.so /usr/sbin/chroot | sed\
|
pascal@314
|
223 's|.*=> \(/lib/l[^ ]*\).*|\1|;/^\//!d') /usr/sbin/chroot /run
|
pascal@314
|
224 r=$root/run
|
pascal@314
|
225 quit $r "export LD_LIBRARY_PATH=$r:/lib"\
|
pascal@323
|
226 "$root$(ls /run/ld-*so) $r/chroot $root" "/$root"
|
pascal@314
|
227 fi
|
pascal@321
|
228 quit
|
pascal@314
|
229 msg tmpfs
|
pascal@314
|
230 root=100
|
pascal@314
|
231 got tmpram
|
pascal@314
|
232 r=$root
|
pascal@407
|
233 inodes=0
|
pascal@405
|
234 got rootfsinodes && inodes=$root
|
pascal@314
|
235 root=90%
|
pascal@314
|
236 got rootfssize
|
pascal@314
|
237 [ $(busybox free|busybox awk '/Mem:/{print int(($4*100)/$3)}') -ge $r ] &&
|
pascal@405
|
238 busybox mount -t tmpfs -o size=$root,nr_inodes=$inodes tmpfs /mnt &&
|
al@393
|
239 for i in $(ls -ar /); do
|
al@393
|
240 case "$i" in
|
pascal@317
|
241 .*|cdrom) ;;
|
pascal@314
|
242 mnt|proc|sys) mkdir /mnt/$i;;
|
pascal@314
|
243 usr|var|rootfs*) mv /$i /mnt;;
|
pascal@314
|
244 *) cp -a /$i /mnt 2>/dev/null && continue
|
pascal@314
|
245 fail
|
al@373
|
246 busybox umount /mnt
|
pascal@314
|
247 exit
|
pascal@276
|
248 esac
|
pascal@314
|
249 done || fail 3mSkipped
|
pascal@314
|
250 quit
|
pascal@323
|
251 mod squashfs 2>/dev/null || exit
|
pascal@314
|
252 msg aufs
|
pascal@314
|
253 br=/mnt/.rw
|
pascal@402
|
254 mkdir $br /mnt/.wd
|
pascal@314
|
255 got rwdev && mnt $br && br=$br$d
|
pascal@314
|
256 o=
|
pascal@314
|
257 p=
|
pascal@314
|
258 c=/mnt/.cdrom
|
al@393
|
259 if [ -z "$(ls /mnt/rootfs* 2>/dev/null)" ]; then
|
al@393
|
260 root=/dev/cdrom/fs
|
pascal@314
|
261 got rodev
|
pascal@314
|
262 mkdir -p $c /mnt$c /mnt/.rw$c
|
pascal@314
|
263 mnt $c
|
pascal@314
|
264 o="-o 124"
|
pascal@314
|
265 p=/.cdrom/boot
|
pascal@318
|
266 c=$c$d
|
pascal@276
|
267 fi
|
pascal@314
|
268 l=0
|
pascal@314
|
269 r=
|
pascal@402
|
270 got isofs && r=:$c || for i in /mnt$p/rootfs?*.gz; do
|
al@393
|
271 fs=${i#*root}
|
pascal@314
|
272 r=$r:/mnt/.$fs
|
pascal@314
|
273 mkdir -p /mnt/.rw/mnt/.$fs /mnt/.$fs
|
pascal@314
|
274 losetup $o /dev/loop$l $i
|
al@373
|
275 busybox mount -o ro -t squashfs /dev/loop$((l++)) /mnt/.$fs
|
pascal@276
|
276 done
|
pascal@402
|
277 while read type opt; do
|
pascal@402
|
278 mod $type && busybox mount -t $type -o $opt none /mnt && break
|
pascal@402
|
279 done <<EOT
|
pascal@402
|
280 aufs br=$br$r
|
pascal@402
|
281 overlayfs workdir=/mnt/.wd${r/:/,lowerdir=},upperdir=$br
|
pascal@402
|
282 EOT
|
pascal@314
|
283 quit
|