Commit | Line | Data |
---|---|---|
c5987ebb JH |
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 | ||
55ec6b63 JH |
10 | $where = $PW; |
11 | ||
aa240144 | 12 | if (-x "/usr/bin/nidump") { # nidump is not just NeXT/OpenStep |
55ec6b63 | 13 | if (open(PW, "nidump passwd . |")) { |
aa240144 | 14 | $where = "NetInfo passwd"; |
55ec6b63 JH |
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 JH |
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; | |
c5987ebb | 32 | my $tst = 1; |
55ec6b63 JH |
33 | my %suspect; |
34 | my %seen; | |
c5987ebb | 35 | |
c5987ebb | 36 | while (<PW>) { |
c5987ebb | 37 | chomp; |
6b3b4714 | 38 | next if /^\+/; # ignore NIS includes |
55ec6b63 JH |
39 | my @s = split /:/; |
40 | my ($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 == $max; | |
48 | # In principle we could whine if @s != 7 but do we know enough | |
49 | # of passwd file formats everywhere? | |
c5987ebb | 50 | if (@s == 7) { |
c5987ebb JH |
51 | @n = getpwuid($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 | } | |
55ec6b63 | 61 | $suspect{$name_s}++ |
c5987ebb JH |
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 | ||
55ec6b63 JH |
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"; |
55ec6b63 JH |
83 | delete $suspect{$_}; |
84 | } | |
85 | } | |
86 | ||
87 | print "not " if keys %suspect; | |
c5987ebb JH |
88 | print "ok ", $tst++, "\n"; |
89 | ||
90 | close(PW); |