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1 | #!./perl |
2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
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5 | unshift @INC, "../lib" if -d "../lib"; |
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6 | eval { require Config; import Config; }; |
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7 | my $reason; |
8 | if ($Config{'i_pwd'} ne 'define') { |
9 | $reason = '$Config{i_pwd} undefined'; |
10 | } |
11 | elsif (not -f "/etc/passwd" ) { # Play safe. |
12 | $reason = 'no /etc/passwd file'; |
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13 | } |
14 | |
15 | if (not defined $where) { # Try NIS. |
16 | foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) { |
17 | if (-x $ypcat && |
18 | open(PW, "$ypcat passwd 2>/dev/null |") && |
19 | defined(<PW>)) { |
20 | $where = "NIS passwd"; |
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21 | undef $reason; |
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22 | last; |
23 | } |
24 | } |
25 | } |
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26 | |
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27 | if (not defined $where) { # Try NetInfo. |
28 | foreach my $nidump (qw(/usr/bin/nidump)) { |
29 | if (-x $nidump && |
30 | open(PW, "$nidump passwd . 2>/dev/null |") && |
31 | defined(<PW>)) { |
32 | $where = "NetInfo passwd"; |
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33 | undef $reason; |
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34 | last; |
35 | } |
36 | } |
37 | } |
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38 | |
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39 | if (not defined $where) { # Try local. |
40 | my $PW = "/etc/passwd"; |
41 | if (-f $PW && open(PW, $PW) && defined(<PW>)) { |
42 | $where = $PW; |
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43 | undef $reason; |
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44 | } |
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45 | } |
46 | |
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47 | if ($reason) { # Give up. |
48 | print "1..0 # Skip: $reason\n"; |
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49 | exit 0; |
50 | } |
51 | } |
52 | |
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53 | # By now PW filehandle should be open and full of juicy password entries. |
54 | |
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55 | print "1..1\n"; |
56 | |
57 | # Go through at most this many users. |
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58 | # (note that the first entry has been read away by now) |
59 | my $max = 25; |
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60 | |
61 | my $n = 0; |
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62 | my $tst = 1; |
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63 | my %perfect; |
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64 | my %seen; |
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65 | |
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66 | while (<PW>) { |
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67 | chomp; |
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68 | my @s = split /:/; |
69 | my ($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s; |
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70 | next if /^\+/; # ignore NIS includes |
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71 | if (@s) { |
72 | push @{ $seen{$name_s} }, $.; |
73 | } else { |
74 | warn "# Your $where line $. is empty.\n"; |
75 | next; |
76 | } |
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77 | last if $n == $max; |
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78 | # In principle we could whine if @s != 7 but do we know enough |
79 | # of passwd file formats everywhere? |
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80 | if (@s == 7) { |
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81 | @n = getpwuid($uid_s); |
82 | # 'nobody' et al. |
83 | next unless @n; |
84 | my ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
85 | # Protect against one-to-many and many-to-one mappings. |
86 | if ($name_s ne $name) { |
87 | @n = getpwnam($name_s); |
88 | ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
89 | next if $name_s ne $name; |
90 | } |
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91 | $perfect{$name_s}++ |
92 | if $name eq $name_s and |
93 | $uid eq $uid_s and |
94 | # Do not compare passwords: think shadow passwords. |
95 | $gid eq $gid_s and |
96 | $gcos eq $gcos_s and |
97 | $home eq $home_s and |
98 | $shell eq $shell_s; |
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99 | } |
100 | $n++; |
101 | } |
102 | |
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103 | if (keys %perfect == 0) { |
104 | $max++; |
105 | print <<EOEX; |
106 | # |
107 | # The failure of op/pwent test is not necessarily serious. |
108 | # It may fail due to local password administration conventions. |
109 | # If you are for example using both NIS and local passwords, |
110 | # test failure is possible. Any distributed password scheme |
111 | # can cause such failures. |
112 | # |
113 | # What the pwent test is doing is that it compares the $max first |
114 | # entries of $where |
115 | # with the results of getpwuid() and getpwnam() call. If it finds no |
116 | # matches at all, it suspects something is wrong. |
117 | # |
118 | EOEX |
119 | print "not "; |
120 | $not = 1; |
121 | } else { |
122 | $not = 0; |
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123 | } |
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124 | print "ok ", $tst++; |
125 | print "\t# (not necessarily serious: run t/op/pwent.t by itself)" if $not; |
126 | print "\n"; |
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127 | |
128 | close(PW); |