1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
#!./perl
$ENV{PATH} ="/bin:/usr/bin:/usr/xpg4/bin:/usr/ucb" .
exists $ENV{PATH} ? ":$ENV{PATH}" : "";
$ENV{LC_ALL} = "C"; # so that external utilities speak English
$ENV{LANGUAGE} = 'C'; # GNU locale extension
sub quit {
print "1..0 # Skip: no `id` or `groups`\n";
exit 0;
}
quit() if $^O eq 'MSWin32' or $^O =~ /lynxos/i;
# We have to find a command that prints all (effective
# and real) group names (not ids). The known commands are:
# groups
# id -Gn
# id -a
# Beware 1: some systems do just 'id -G' even when 'id -Gn' is used.
# Beware 2: id -Gn or id -a format might be id(name) or name(id).
# Beware 3: the groups= might be anywhere in the id output.
# Beware 4: groups can have spaces ('id -a' being the only defense against this)
# Beware 5: id -a might not contain the groups= part.
#
# That is, we might meet the following:
#
# foo bar zot # accept
# foo 22 42 bar zot # accept
# 1 22 42 2 3 # reject
# groups=(42),foo(1),bar(2),zot me(3) # parse
# groups=22,42,1(foo),2(bar),3(zot me) # parse
#
# and the groups= might be after, before, or between uid=... and gid=...
GROUPS: {
# prefer 'id' over 'groups' (is this ever wrong anywhere?)
# and 'id -a' over 'id -Gn' (the former is good about spaces in group names)
if (($groups = `id -a 2>/dev/null`) ne '') {
# $groups is of the form:
# uid=39957(gsar) gid=22(users) groups=33536,39181,22(users),0(root),1067(dev)
last GROUPS if $groups =~ /groups=/;
}
if (($groups = `id -Gn 2>/dev/null`) ne '') {
# $groups could be of the form:
# users 33536 39181 root dev
last GROUPS if $groups !~ /^(\d|\s)+$/;
}
if (($groups = `groups 2>/dev/null`) ne '') {
# may not reflect all groups in some places, so do a sanity check
if (-d '/afs') {
print <<EOM;
# These test results *may* be bogus, as you appear to have AFS,
# and I can't find a working 'id' in your PATH (which I have set
# to '$ENV{PATH}').
#
# If these tests fail, report the particular incantation you use
# on this platform to find *all* the groups that an arbitrary
# luser may belong to, using the 'perlbug' program.
EOM
}
last GROUPS;
}
# Okay, not today.
quit();
}
unless (eval { getgrgid(0); 1 }) {
print "1..0 # Skip: getgrgid() not implemented\n";
exit 0;
}
# Remember that group names can contain whitespace, '-', et cetera.
# That is: do not \w, do not \S.
if ($groups =~ /groups=(.+)( [ug]id=|$)/) {
my $gr = $1;
my @g0 = split /,/, $gr;
my @g1;
# prefer names over numbers
for (@g0) {
# 42(zot me)
if (/^(\d+)(?:\(([^)]+)\))?/) {
push @g1, ($2 || $1);
}
# zot me(42)
elsif (/^([^(]*)\((\d+)\)/) {
push @g1, ($1 || $2);
}
else {
print "# ignoring group entry [$_]\n";
}
}
print "# groups=$gr\n";
print "# g0 = @g0\n";
print "# g1 = @g1\n";
$groups = "@g1";
}
print "1..2\n";
$pwgid = $( + 0;
($pwgnam) = getgrgid($pwgid);
@basegroup{$pwgid,$pwgnam} = (1,1);
$seen{$pwgid}++;
for (split(' ', $()) {
next if $seen{$_}++;
($group) = getgrgid($_);
if (defined $group) {
push(@gr, $group);
}
else {
push(@gr, $_);
}
}
if ($^O =~ /^(?:uwin|solaris)$/) {
# Or anybody else who can have spaces in group names.
$gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr))));
} else {
$gr1 = join(' ', sort @gr);
}
$gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups)));
if ($gr1 eq $gr2) {
print "ok 1\n";
}
else {
print "#gr1 is <$gr1>\n";
print "#gr2 is <$gr2>\n";
print "not ok 1\n";
}
# multiple 0's indicate GROUPSTYPE is currently long but should be short
if ($pwgid == 0 || $seen{0} < 2) {
print "ok 2\n";
}
else {
print "not ok 2 (groupstype should be type short, not long)\n";
}
|
