1 | #!/bin/sh |
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2 | # $Id: acl.sh 3956 2010-01-05 20:56:56Z zacheiss $ |
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3 | if [ -d /var/athena ] && [ -w /var/athena ]; then |
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4 | exec >/var/athena/moira_update.log 2>&1 |
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5 | else |
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6 | exec >/tmp/moira_update.log 2>&1 |
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7 | fi |
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8 | |
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9 | # The following exit codes are defined and MUST BE CONSISTENT with the |
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10 | # error codes the library uses: |
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11 | MR_NOCRED=47836470 |
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12 | MR_MISSINGFILE=47836473 |
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13 | MR_MKCRED=47836474 |
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14 | MR_TARERR=47836476 |
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15 | |
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16 | status=0 |
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17 | |
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18 | PATH=/bin:/usr/bin |
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19 | TARFILE=/var/tmp/acl.out |
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20 | SRCDIR=/var/tmp/acltmp |
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21 | |
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22 | # Alert if the tar file does not exist |
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23 | test -r $TARFILE || exit $MR_MISSINGFILE |
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24 | |
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25 | # Make a temporary directory to unpack the tar file into |
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26 | rm -rf $SRCDIR |
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27 | mkdir $SRCDIR || exit $MR_MKCRED |
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28 | cd $SRCDIR || exit $MR_MKCRED |
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29 | tar xpf $TARFILE || exit $MR_TARERR |
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30 | |
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31 | # Copy over each file which is new or has changed |
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32 | for file in `find . -type f -print | sed -e 's/^\.//'`; do |
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33 | if [ $file = /etc/passwd -o $file = /etc/passwd.local ]; then |
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34 | # Make sure that there is a head file, or that the generated |
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35 | # file contains an entry for root. |
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36 | if [ ! -f $file.head ]; then |
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37 | if egrep -s ^root: .$file; then |
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38 | : |
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39 | else |
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40 | status=$MR_MISSINGFILE |
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41 | break |
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42 | fi |
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43 | fi |
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44 | elif [ $file = /etc/group -o $file = /etc/group.local ]; then |
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45 | # Make sure that there is a head file, or that the generated |
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46 | # file contains a group with gid 0. |
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47 | if [ ! -f $file.head ]; then |
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48 | if awk -F: '$3 == "0" { exit 1; }' $file; then |
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49 | status=$MR_MISSINGFILE |
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50 | break |
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51 | fi |
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52 | fi |
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53 | fi |
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54 | |
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55 | if [ -f $file.head ]; then |
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56 | head=$file.head |
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57 | else |
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58 | head= |
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59 | fi |
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60 | if [ -f $file.tail ]; then |
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61 | tail=$file.tail |
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62 | else |
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63 | tail= |
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64 | fi |
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65 | |
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66 | # Note that "$file" is a full pathname, and so ".$file" means |
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67 | # the copy of file in the directory hierarchy rooted at ".", |
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68 | # not "$file with a . prepended to its basename". |
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69 | |
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70 | # Create a tmp file with the correct owner and mode |
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71 | if [ -f $file ]; then |
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72 | cp -p $file $file.$$ |
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73 | else |
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74 | cp -p .$file $file.$$ |
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75 | fi |
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76 | |
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77 | # Now dump the correct data into the tmp file without changing its |
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78 | # owner and mode |
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79 | cat $head .$file $tail > $file.$$ |
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80 | |
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81 | if cmp -s $file.$$ $file; then |
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82 | rm -f $file.$$ |
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83 | else |
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84 | mv $file.$$ $file |
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85 | fi |
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86 | done |
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87 | |
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88 | # Test if a site-specific post dcm script exists, and run it if it does |
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89 | if [ -x /etc/athena/postacldcm ]; then |
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90 | /etc/athena/postacldcm >/dev/null 2>&1 |
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91 | if [ $? != 0 ]; then |
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92 | exit $MR_NOCRED |
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93 | fi |
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94 | elif [ -x /usr/local/sbin/postacldcm ]; then |
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95 | /usr/local/sbin/postacldcm >/dev/null 2>&1 |
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96 | if [ $? != 0 ]; then |
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97 | exit $MR_NOCRED |
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98 | fi |
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99 | fi |
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100 | |
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101 | # cleanup |
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102 | cd / |
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103 | rm -rf $SRCDIR |
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104 | test -f $TARFILE && rm -f $TARFILE |
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105 | test -f $0 && rm -f $0 |
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106 | |
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107 | exit $status |
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