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1 | #!/bin/csh -f | |
2 | # This script performs nfs updates on servers. | |
3 | # | |
4 | # $Header$ | |
5 | ||
6 | # The following exit codes are defined and MUST BE CONSISTENT with the | |
7 | # MR error codes the library uses: | |
8 | set MR_NOCRED = 47836470 | |
9 | set MR_MKCRED = 47836474 | |
10 | set MR_TARERR = 47836476 | |
11 | ||
12 | set path=(/etc /bin /usr/bin /usr/etc /usr/athena/etc) | |
13 | set nonomatch | |
14 | ||
15 | # The file containg the information for the update | |
16 | set TARFILE=/tmp/nfs.out | |
17 | # The directory into which we will empty the tarfile | |
18 | set SRC_DIR=/tmp/nfs.dir | |
19 | ||
20 | # Alert if the tarfile does not exist | |
21 | if (! -r $TARFILE) then | |
22 | exit $MR_TARERR | |
23 | endif | |
24 | ||
25 | # Create a fresh source directory | |
26 | rm -rf $SRC_DIR | |
27 | mkdir $SRC_DIR | |
28 | chmod 755 $SRC_DIR | |
29 | ||
30 | # Note that since MR is going to be exported, assuming .MIT.EDU is | |
31 | # incorrect. For now however, it is probably not worth the effort | |
32 | # to canonicalize the hostname, especially with the upcoming update | |
33 | # protocol redesign | |
34 | set uchost=`hostname | tr a-z A-Z`.MIT.EDU | |
35 | ||
36 | cd $SRC_DIR | |
37 | ||
38 | # Just extract everything since some of what we need exists as | |
39 | # hardlinks and tar doesn't deal well with extracting them in isolation. | |
40 | tar xf $TARFILE | |
41 | if ($status) exit $MR_TARERR | |
42 | ||
43 | foreach type (dirs quotas) | |
44 | echo "Installing ${type}:" | |
45 | foreach i ( ${uchost}*.${type} ) | |
46 | if (-e $i) then | |
47 | # Convert the from the filename HOST.@dev@device.type to /dev/device | |
48 | set dev=`echo $i | sed "s,.${type},," | sed "s,${uchost}.,," | sed "s,@,/,g"` | |
49 | echo ${uchost}:$dev | |
50 | ./install_${type} $dev < $i | |
51 | if ($status) exit $status | |
52 | if ($type == quotas) ./zero_quotas $dev < $i | |
53 | if ($status) exit $status | |
54 | # save the files used here for later debugging | |
55 | mv $i /tmp | |
56 | endif | |
57 | end | |
58 | end | |
59 | ||
60 | # build new credentials files. | |
61 | rm -f /usr/etc/credentials.new | |
62 | cp ${uchost}.cred /usr/etc/credentials.new | |
63 | if ($status) exit $MR_NOCRED | |
64 | ||
65 | mkcred /usr/etc/credentials.new | |
66 | if ($status) exit $MR_MKCRED | |
67 | ||
68 | # Try to install the files | |
69 | foreach e ( "" .dir .pag) | |
70 | mv -f /usr/etc/credentials.new$e /usr/etc/credentials$e | |
71 | end | |
72 | ||
73 | # If any of them didn't get installed, fail | |
74 | foreach e ( "" .dir .pag) | |
75 | if (! -e /usr/etc/credentials$e) exit $MR_NOCRED | |
76 | end | |
77 | ||
78 | ||
79 | ||
80 | # cleanup | |
81 | rm -f $TARFILE | |
82 | cd $SRC_DIR/.. | |
83 | rm -rf $SRC_DIR | |
84 | rm $0 | |
85 | ||
86 | exit 0 |