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1 | # This file contains utility functions used by rpi23-gen-image.sh |
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1 | # This file contains utility functions used by rpi23-gen-image.sh | |
2 |
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2 | |||
3 | cleanup (){ |
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3 | cleanup (){ | |
4 | set +x |
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4 | set +x | |
5 | set +e |
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5 | set +e | |
6 |
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6 | |||
7 | # Remove exports from nexmon |
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7 | # Remove exports from nexmon | |
8 | unset KERNEL |
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8 | unset KERNEL | |
9 | unset ARCH |
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9 | unset ARCH | |
10 | unset SUBARCH |
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10 | unset SUBARCH | |
11 | unset CCPLUGIN |
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11 | unset CCPLUGIN | |
12 | unset ZLIBFLATE |
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12 | unset ZLIBFLATE | |
13 | unset Q |
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13 | unset Q | |
14 | unset NEXMON_SETUP_ENV |
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14 | unset NEXMON_SETUP_ENV | |
15 | unset HOSTUNAME |
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15 | unset HOSTUNAME | |
16 | unset PLATFORMUNAME |
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16 | unset PLATFORMUNAME | |
17 |
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17 | |||
18 | # Identify and kill all processes still using files |
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18 | # Identify and kill all processes still using files | |
19 | echo "killing processes using mount point ..." |
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19 | echo "killing processes using mount point ..." | |
20 | fuser -k "${R}" |
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20 | fuser -k "${R}" | |
21 | sleep 3 |
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21 | sleep 3 | |
22 | fuser -9 -k -v "${R}" |
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22 | fuser -9 -k -v "${R}" | |
23 |
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23 | |||
24 | # Clean up temporary .password file |
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24 | # Clean up temporary .password file | |
25 | if [ -r ".password" ] ; then |
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25 | if [ -r ".password" ] ; then | |
26 | shred -zu .password |
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26 | shred -zu .password | |
27 | fi |
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27 | fi | |
28 |
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28 | |||
29 | # Clean up all temporary mount points |
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29 | # Clean up all temporary mount points | |
30 | echo "removing temporary mount points ..." |
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30 | echo "removing temporary mount points ..." | |
31 | umount -l "${R}/proc" 2> /dev/null |
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31 | umount -l "${R}/proc" 2> /dev/null | |
32 | umount -l "${R}/sys" 2> /dev/null |
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32 | umount -l "${R}/sys" 2> /dev/null | |
33 | umount -l "${R}/dev/pts" 2> /dev/null |
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33 | umount -l "${R}/dev/pts" 2> /dev/null | |
34 | umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null |
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34 | umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null | |
35 | umount "$BUILDDIR/mount" 2> /dev/null |
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35 | umount "$BUILDDIR/mount" 2> /dev/null | |
36 | cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null |
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36 | cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null | |
37 | losetup -d "$ROOT_LOOP" 2> /dev/null |
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37 | losetup -d "$ROOT_LOOP" 2> /dev/null | |
38 | losetup -d "$FRMW_LOOP" 2> /dev/null |
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38 | losetup -d "$FRMW_LOOP" 2> /dev/null | |
39 | trap - 0 1 2 3 6 |
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39 | trap - 0 1 2 3 6 | |
40 | } |
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40 | } | |
41 |
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41 | |||
42 | chroot_exec() { |
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42 | chroot_exec() { | |
43 | # Exec command in chroot |
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43 | # Exec command in chroot | |
44 | LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@" |
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44 | LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@" | |
45 | } |
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45 | } | |
46 |
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46 | |||
47 | as_nobody() { |
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47 | as_nobody() { | |
48 | # Exec command as user nobody |
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48 | # Exec command as user nobody | |
49 | sudo -E -u nobody LANG=C LC_ALL=C "$@" |
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49 | sudo -E -u nobody LANG=C LC_ALL=C "$@" | |
50 | } |
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50 | } | |
51 |
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51 | |||
52 | install_readonly() { |
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52 | install_readonly() { | |
53 | # Install file with user read-only permissions |
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53 | # Install file with user read-only permissions | |
54 | install -o root -g root -m 644 "$@" |
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54 | install -o root -g root -m 644 "$@" | |
55 | } |
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55 | } | |
56 |
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56 | |||
57 | install_exec() { |
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57 | install_exec() { | |
58 | # Install file with root exec permissions |
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58 | # Install file with root exec permissions | |
59 | install -o root -g root -m 744 "$@" |
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59 | install -o root -g root -m 744 "$@" | |
60 | } |
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60 | } | |
61 |
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61 | |||
62 | use_template () { |
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62 | use_template () { | |
63 | # Test if configuration template file exists |
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63 | # Test if configuration template file exists | |
64 | if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then |
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64 | if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then | |
65 | echo "error: configuration template ${CONFIG_TEMPLATE} not found" |
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65 | echo "error: configuration template ${CONFIG_TEMPLATE} not found" | |
66 | exit 1 |
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66 | exit 1 | |
67 | fi |
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67 | fi | |
68 |
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68 | |||
69 | # Load template configuration parameters |
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69 | # Load template configuration parameters | |
70 | . "./templates/${CONFIG_TEMPLATE}" |
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70 | . "./templates/${CONFIG_TEMPLATE}" | |
71 | } |
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71 | } | |
72 |
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72 | |||
73 | chroot_install_cc() { |
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73 | chroot_install_cc() { | |
74 | # Install c/c++ build environment inside the chroot |
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74 | # Install c/c++ build environment inside the chroot | |
75 | if [ -z "${COMPILER_PACKAGES}" ] ; then |
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75 | if [ -z "${COMPILER_PACKAGES}" ] ; then | |
76 | COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }') |
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76 | COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }') | |
77 | # Install COMPILER_PACKAGES in chroot - NEVER do "${COMPILER_PACKAGES}" -> breaks uboot |
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77 | # Install COMPILER_PACKAGES in chroot - NEVER do "${COMPILER_PACKAGES}" -> breaks uboot | |
78 | chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install ${COMPILER_PACKAGES} |
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78 | chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install "${COMPILER_PACKAGES}" | |
79 | fi |
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79 | fi | |
80 | } |
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80 | } | |
81 |
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81 | |||
82 | chroot_remove_cc() { |
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82 | chroot_remove_cc() { | |
83 | # Remove c/c++ build environment from the chroot |
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83 | # Remove c/c++ build environment from the chroot | |
84 | if [ -n "${COMPILER_PACKAGES}" ] ; then |
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84 | if [ -n "${COMPILER_PACKAGES}" ] ; then | |
85 | chroot_exec apt-get -qq -y --auto-remove purge ${COMPILER_PACKAGES} |
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85 | chroot_exec apt-get -qq -y --auto-remove purge "${COMPILER_PACKAGES}" | |
86 | COMPILER_PACKAGES="" |
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86 | COMPILER_PACKAGES="" | |
87 | fi |
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87 | fi | |
88 | } |
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88 | } | |
89 |
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89 | |||
90 | # https://serverfault.com/a/682849 - converts e.g. /24 to 255.255.255.0 |
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90 | # https://serverfault.com/a/682849 - converts e.g. /24 to 255.255.255.0 | |
91 | cdr2mask () |
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91 | cdr2mask () | |
92 | { |
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92 | { | |
93 | # Number of args to shift, 255..255, first non-255 byte, zeroes |
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93 | # Number of args to shift, 255..255, first non-255 byte, zeroes | |
94 | set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0 |
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94 | set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0 | |
95 | [ $1 -gt 1 ] && shift $1 || shift |
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95 | [ "$1" -gt 1 ] && shift "$1" || shift | |
96 | echo ${1-0}.${2-0}.${3-0}.${4-0} |
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96 | echo "${1-0}"."${2-0}"."${3-0}"."${4-0}" | |
97 | } |
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97 | } | |
98 |
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98 | |||
99 | # GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh |
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99 | # GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh | |
100 | set_kernel_config() { |
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100 | set_kernel_config() { | |
101 | # flag as $1, value to set as $2, config must exist at "./.config" |
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101 | # flag as $1, value to set as $2, config must exist at "./.config" | |
102 | TGT="CONFIG_${1#CONFIG_}" |
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102 | TGT="CONFIG_${1#CONFIG_}" | |
103 | REP="${2}" |
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103 | REP="${2}" | |
104 |
if |
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104 | if grep -q "^${TGT}[^_]" .config ; then | |
105 | sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config |
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105 | sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config | |
106 | else |
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106 | else | |
107 | echo "${TGT}"="${2}" >> .config |
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107 | echo "${TGT}"="${2}" >> .config | |
108 | fi |
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108 | fi | |
109 | } |
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109 | } | |
110 |
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110 | |||
111 | # unset kernel config parameter |
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111 | # unset kernel config parameter | |
112 | unset_kernel_config() { |
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112 | unset_kernel_config() { | |
113 | # unsets flag with the value of $1, config must exist at "./.config" |
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113 | # unsets flag with the value of $1, config must exist at "./.config" | |
114 | TGT="CONFIG_${1#CONFIG_}" |
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114 | TGT="CONFIG_${1#CONFIG_}" | |
115 | sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config |
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115 | sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config | |
116 | } No newline at end of file |
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116 | } |
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