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1 | #!./perl |
2 | |
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3 | $ENV{PATH} ="/bin:/usr/bin:/usr/xpg4/bin:/usr/ucb" . |
4 | exists $ENV{PATH} ? ":$ENV{PATH}" : ""; |
5 | $ENV{LC_ALL} = "C"; # so that external utilities speak English |
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6 | $ENV{LANGUAGE} = 'C'; # GNU locale extension |
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7 | |
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8 | sub quit { |
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9 | print "1..0 # Skip: no `id` or `groups`\n"; |
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10 | exit 0; |
11 | } |
12 | |
13 | quit() if $^O eq 'MSWin32'; |
14 | |
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15 | # We have to find a command that prints all (effective |
16 | # and real) group names (not ids). The known commands are: |
17 | # groups |
18 | # id -Gn |
19 | # id -a |
20 | # Beware 1: some systems do just 'id -G' even when 'id -Gn' is used. |
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21 | # Beware 2: id -Gn or id -a format might be id(name) or name(id). |
22 | # Beware 3: the groups= might be anywhere in the id output. |
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23 | # Beware 4: groups can have spaces ('id -a' being the only defense against this) |
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24 | # Beware 5: id -a might not contain the groups= part. |
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25 | # |
26 | # That is, we might meet the following: |
27 | # |
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28 | # foo bar zot # accept |
29 | # foo 22 42 bar zot # accept |
30 | # 1 22 42 2 3 # reject |
31 | # groups=(42),foo(1),bar(2),zot me(3) # parse |
32 | # groups=22,42,1(foo),2(bar),3(zot me) # parse |
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33 | # |
34 | # and the groups= might be after, before, or between uid=... and gid=... |
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35 | |
36 | GROUPS: { |
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37 | # prefer 'id' over 'groups' (is this ever wrong anywhere?) |
38 | # and 'id -a' over 'id -Gn' (the former is good about spaces in group names) |
39 | if (($groups = `id -a 2>/dev/null`) ne '') { |
40 | # $groups is of the form: |
41 | # uid=39957(gsar) gid=22(users) groups=33536,39181,22(users),0(root),1067(dev) |
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42 | last GROUPS if $groups =~ /groups=/; |
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43 | } |
44 | if (($groups = `id -Gn 2>/dev/null`) ne '') { |
45 | # $groups could be of the form: |
46 | # users 33536 39181 root dev |
47 | last GROUPS if $groups !~ /^(\d|\s)+$/; |
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48 | } |
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49 | if (($groups = `groups 2>/dev/null`) ne '') { |
50 | # may not reflect all groups in some places, so do a sanity check |
51 | if (-d '/afs') { |
52 | print <<EOM; |
53 | # These test results *may* be bogus, as you appear to have AFS, |
54 | # and I can't find a working 'id' in your PATH (which I have set |
55 | # to '$ENV{PATH}'). |
56 | # |
57 | # If these tests fail, report the particular incantation you use |
58 | # on this platform to find *all* the groups that an arbitrary |
59 | # luser may belong to, using the 'perlbug' program. |
60 | EOM |
61 | } |
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62 | last GROUPS; |
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63 | } |
64 | # Okay, not today. |
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65 | quit(); |
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66 | } |
67 | |
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68 | # Remember that group names can contain whitespace, '-', et cetera. |
69 | # That is: do not \w, do not \S. |
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70 | if ($groups =~ /groups=(.+)( [ug]id=|$)/) { |
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71 | my $gr = $1; |
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72 | my @g0 = split /,/, $gr; |
73 | my @g1; |
74 | # prefer names over numbers |
75 | for (@g0) { |
76 | # 42(zot me) |
77 | if (/^(\d+)(?:\(([^)]+)\))?$/) { |
78 | push @g1, ($2 || $1); |
79 | } |
80 | # zot me(42) |
81 | elsif (/^([^(]*)\((\d+)\)$/) { |
82 | push @g1, ($1 || $2); |
83 | } |
84 | else { |
85 | print "# ignoring group entry [$_]\n"; |
86 | } |
87 | } |
88 | print "# groups=$gr\n"; |
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89 | print "# g0 = @g0\n"; |
90 | print "# g1 = @g1\n"; |
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91 | $groups = "@g1"; |
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92 | } |
93 | |
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94 | print "1..2\n"; |
95 | |
96 | $pwgid = $( + 0; |
97 | ($pwgnam) = getgrgid($pwgid); |
98 | @basegroup{$pwgid,$pwgnam} = (1,1); |
99 | |
100 | $seen{$pwgid}++; |
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101 | |
102 | for (split(' ', $()) { |
103 | next if $seen{$_}++; |
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104 | ($group) = getgrgid($_); |
105 | if (defined $group) { |
106 | push(@gr, $group); |
107 | } |
108 | else { |
109 | push(@gr, $_); |
110 | } |
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111 | } |
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112 | |
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113 | if ($^O eq "uwin") { # Or anybody else who can have spaces in group names. |
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114 | $gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr)))); |
115 | } else { |
116 | $gr1 = join(' ', sort @gr); |
117 | } |
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118 | |
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119 | $gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups))); |
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120 | |
121 | if ($gr1 eq $gr2) { |
122 | print "ok 1\n"; |
123 | } |
124 | else { |
125 | print "#gr1 is <$gr1>\n"; |
126 | print "#gr2 is <$gr2>\n"; |
127 | print "not ok 1\n"; |
128 | } |
129 | |
130 | # multiple 0's indicate GROUPSTYPE is currently long but should be short |
131 | |
132 | if ($pwgid == 0 || $seen{0} < 2) { |
133 | print "ok 2\n"; |
134 | } |
135 | else { |
136 | print "not ok 2 (groupstype should be type short, not long)\n"; |
137 | } |