1 | #!/bin/sh
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2 | ########################################################################
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3 | # Begin cleanfs
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4 | #
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5 | # Description : Clean file system
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6 | #
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7 | # Authors : Gerard Beekmans - gerard@linuxfromscratch.org
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8 | # DJ Lucas - dj@linuxfromscratch.org
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9 | # Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
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10 | #
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11 | # Version : LFS 7.0
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12 | #
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13 | ########################################################################
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14 |
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15 | ### BEGIN INIT INFO
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16 | # Provides: cleanfs
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17 | # Required-Start: $local_fs
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18 | # Should-Start:
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19 | # Required-Stop:
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20 | # Should-Stop:
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21 | # Default-Start: S
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22 | # Default-Stop:
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23 | # Short-Description: Cleans temporary directories early in the boot process.
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24 | # Description: Cleans temporary directories /run, /var/lock, and
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25 | # optionally, /tmp. cleanfs also creates /run/utmp
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26 | # and any files defined in /etc/sysconfig/createfiles.
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27 | # X-LFS-Provided-By: LFS
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28 | ### END INIT INFO
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29 |
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30 | . /lib/lsb/init-functions
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31 |
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32 | # Function to create files/directory on boot.
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33 | create_files()
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34 | {
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35 | # Input to file descriptor 9 and output to stdin (redirection)
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36 | exec 9>&0 < /etc/sysconfig/createfiles
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37 |
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38 | while read name type perm usr grp dtype maj min junk
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39 | do
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40 | # Ignore comments and blank lines.
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41 | case "${name}" in
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42 | ""|\#*) continue ;;
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43 | esac
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44 |
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45 | # Ignore existing files.
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46 | if [ ! -e "${name}" ]; then
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47 | # Create stuff based on its type.
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48 | case "${type}" in
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49 | dir)
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50 | mkdir "${name}"
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51 | ;;
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52 | file)
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53 | :> "${name}"
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54 | ;;
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55 | dev)
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56 | case "${dtype}" in
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57 | char)
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58 | mknod "${name}" c ${maj} ${min}
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59 | ;;
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60 | block)
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61 | mknod "${name}" b ${maj} ${min}
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62 | ;;
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63 | pipe)
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64 | mknod "${name}" p
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65 | ;;
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66 | *)
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67 | log_warning_msg "\nUnknown device type: ${dtype}"
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68 | ;;
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69 | esac
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70 | ;;
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71 | *)
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72 | log_warning_msg "\nUnknown type: ${type}"
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73 | continue
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74 | ;;
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75 | esac
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76 |
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77 | # Set up the permissions, too.
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78 | chown ${usr}:${grp} "${name}"
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79 | chmod ${perm} "${name}"
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80 | fi
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81 | done
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82 |
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83 | # Close file descriptor 9 (end redirection)
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84 | exec 0>&9 9>&-
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85 | return 0
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86 | }
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87 |
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88 | case "${1}" in
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89 | start)
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90 | log_info_msg "Cleaning file systems:"
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91 |
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92 | if [ "${SKIPTMPCLEAN}" = "" ]; then
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93 | log_info_msg2 " /tmp"
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94 | cd /tmp &&
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95 | find . -xdev -mindepth 1 ! -name lost+found -delete || failed=1
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96 | fi
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97 |
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98 | > /run/utmp
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99 |
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100 | if grep -q '^utmp:' /etc/group ; then
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101 | chmod 664 /run/utmp
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102 | chgrp utmp /run/utmp
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103 | fi
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104 |
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105 | (exit ${failed})
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106 | evaluate_retval
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107 |
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108 | if grep -E -qv '^(#|$)' /etc/sysconfig/createfiles 2>/dev/null; then
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109 | log_info_msg "Creating files and directories... "
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110 | create_files # Always returns 0
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111 | evaluate_retval
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112 | fi
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113 |
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114 | exit $failed
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115 | ;;
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116 | *)
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117 | echo "Usage: ${0} {start}"
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118 | exit 1
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119 | ;;
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120 | esac
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121 |
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122 | # End cleanfs
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