Commit | Line | Data |
c5987ebb |
1 | #!./perl |
2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = "../lib" if -d "../lib"; |
6 | eval { require Config; import Config; }; |
7 | |
8 | my $PW = "/etc/passwd"; |
9 | |
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10 | $where = $PW; |
11 | |
aa240144 |
12 | if (-x "/usr/bin/nidump") { # nidump is not just NeXT/OpenStep |
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13 | if (open(PW, "nidump passwd . |")) { |
aa240144 |
14 | $where = "NetInfo passwd"; |
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15 | } else { |
16 | print "1..0\n"; |
17 | exit 0; |
18 | } |
19 | } elsif ((defined $Config{'i_pwd'} and $Config{'i_pwd'} ne 'define') |
20 | or not -f $PW or not open(PW, $PW)) { |
c5987ebb |
21 | print "1..0\n"; |
22 | exit 0; |
23 | } |
24 | } |
25 | |
26 | print "1..1\n"; |
27 | |
28 | # Go through at most this many users. |
29 | my $max = 25; # |
30 | |
31 | my $n = 0; |
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32 | my $tst = 1; |
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33 | my %suspect; |
34 | my %seen; |
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35 | |
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36 | while (<PW>) { |
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37 | chomp; |
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38 | next if /^\+/; # ignore NIS includes |
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39 | my @s = split /:/; |
40 | my ($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s; |
41 | if (@s) { |
42 | push @{ $seen{$name_s} }, $.; |
43 | } else { |
44 | warn "# Your $where line $. is empty.\n"; |
45 | next; |
46 | } |
47 | next if $n == $max; |
48 | # In principle we could whine if @s != 7 but do we know enough |
49 | # of passwd file formats everywhere? |
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50 | if (@s == 7) { |
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51 | @n = getpwuid($uid_s); |
52 | # 'nobody' et al. |
53 | next unless @n; |
54 | my ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
55 | # Protect against one-to-many and many-to-one mappings. |
56 | if ($name_s ne $name) { |
57 | @n = getpwnam($name_s); |
58 | ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
59 | next if $name_s ne $name; |
60 | } |
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61 | $suspect{$name_s}++ |
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62 | if $name ne $name_s or |
63 | # Shadow passwords confuse this. |
64 | # Think about non-crypt(3) encryptions, too, before you do anything rash. |
65 | # $passwd ne $passwd_s or |
66 | $uid ne $uid_s or |
67 | $gid ne $gid_s or |
68 | $gcos ne $gcos_s or |
69 | $home ne $home_s or |
70 | $shell ne $shell_s; |
71 | } |
72 | $n++; |
73 | } |
74 | |
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75 | # Drop the multiply defined users. |
76 | |
77 | foreach (sort keys %seen) { |
78 | my $times = @{ $seen{$_} }; |
79 | if ($times > 1) { |
80 | # Multiply defined users are rarely intentional. |
81 | local $" = ", "; |
521ee3dc |
82 | print "# User '$_' defined multiple times in $where, lines: @{$seen{$_}}.\n"; |
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83 | delete $suspect{$_}; |
84 | } |
85 | } |
86 | |
87 | print "not " if keys %suspect; |
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88 | print "ok ", $tst++, "\n"; |
89 | |
90 | close(PW); |