sniffer/make_bootable_usb.sh at master · pointcheck/sniffer · GitHub

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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
#!/bin/sh

DEV=/dev/da0
ROOTSIZE=5GB
CLEANUP=/home/sniffer/cleanup.sh

ID=`id -u`

if [ "$ID" != "0" ]; then
	echo "Should be run as root, use: sudo $0 $*"
	exit 1;
fi

if [ ! -e "$DEV" ]; then
	echo "Block device $DEV not found, make sure you inserted USB stick!"
	exit 1;
fi

gpart show $DEV

echo -n "All data on $DEV will be lost, continute (y/N) ? "

read yesno

if [ "$yesno" != "y" ]; then
	echo "Abort!"
	exit 1
fi

df -m

echo

ROOTSIZE=`df -m | awk '/ada0p2/{print $3+1 "M"}'`

echo -n "You will need ${ROOTSIZE} on $DEV, continue (y/N) ? "

read yesno

if [ "$yesno" != "y" ]; then
	echo "Abort!"
	exit 1
fi

if [ ! -d "/mnt" ]; then
	mkdir /mnt
fi

echo "Forcibly unmounting all ${DEV}*"

umount -f ${DEV}* 2>/dev/null

echo "Destroting partition table on $DEV"

if gpart destroy -F $DEV ; then
else
	echo "Abort!"
	exit 1
fi

echo "Creating GPT table on $DEV"
if gpart create -s gpt $DEV ; then
else
	echo "Abort!"
	exit 1
fi

if echo "Adding EFI partition to $DEV"
gpart add -t efi -l efiboot -a 4k -s 100M $DEV ; then
else
	echo "Abort!"
	exit 1
fi

echo "Adding FreeBSD UFS partition to $DEV"
if gpart add -t freebsd-ufs -s $ROOTSIZE $DEV ; then
else
	echo "Abort!"
	exit 1
fi

echo "Adding FreeBSD Swap partition to $DEV"
if gpart add -t freebsd-swap -s 1G $DEV ; then
else
	echo "Abort!"
	exit 1
fi

echo "Formatting EFI on $DEV with FAT16"
if newfs_msdos -F 16 -c 1 ${DEV}p1 ; then
else
	echo "Abort!"
	exit 1
fi

echo "Mounting EFI partition ${DEV}p1 to /mnt"
if mount_msdosfs ${DEV}p1 /mnt ; then
else
	echo "Abort!"
	exit 1
fi

echo "Copying FreeBSD bootloader to /mnt/EFI"
if cp -r /boot/efi/efi /mnt/ ; then
else
	echo "Abort!"
	exit 1
fi

echo "Unmounting EFI partition ${DEV}p1"
if umount ${DEV}p1 ; then
else
	echo "Abort!"
	exit 1
fi

echo "Formatting FreeBSD UFS partition ${DEV}p2"
if newfs ${DEV}p2 ; then
else
	echo "Abort!"
	exit 1
fi

echo "Mounting FreeBSD UFS partition ${DEV}p2 to /mnt"
if mount ${DEV}p2 /mnt ; then
else
	echo "Abort!"
	exit 1
fi

echo "Dumping / filesystem to ${DEV}p2"
if (cd /mnt; dump -0 -L -f - / | restore -v -r -f - .); then
else
	echo "Abort!"
	exit 1
fi

echo "Modifying /etc/fstab"
if sed -e 's/\/ada/\/da/' -i .old /mnt/etc/fstab ; then
else
	echo "Abort!"
	exit 1
fi
rm /mnt/etc/fstab.old

echo "Calling cleanup script $CLEANUP"
sh $CLEANUP 2> /dev/null

echo

df

echo

echo "Done!"
echo
echo "Please check /mnt manually before making image of $DEV"

exit 0