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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 {my @n = getpwuid 0}; |
7 | if ($@ && $@ =~ /(The \w+ function is unimplemented)/) { |
8 | print "1..0 # Skip: $1\n"; |
9 | exit 0; |
10 | } |
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11 | eval { require Config; import Config; }; |
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12 | my $reason; |
13 | if ($Config{'i_pwd'} ne 'define') { |
14 | $reason = '$Config{i_pwd} undefined'; |
15 | } |
16 | elsif (not -f "/etc/passwd" ) { # Play safe. |
17 | $reason = 'no /etc/passwd file'; |
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18 | } |
19 | |
20 | if (not defined $where) { # Try NIS. |
21 | foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) { |
22 | if (-x $ypcat && |
23 | open(PW, "$ypcat passwd 2>/dev/null |") && |
24 | defined(<PW>)) { |
25 | $where = "NIS passwd"; |
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26 | undef $reason; |
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27 | last; |
28 | } |
29 | } |
30 | } |
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31 | |
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32 | if (not defined $where) { # Try NetInfo. |
33 | foreach my $nidump (qw(/usr/bin/nidump)) { |
34 | if (-x $nidump && |
35 | open(PW, "$nidump passwd . 2>/dev/null |") && |
36 | defined(<PW>)) { |
37 | $where = "NetInfo passwd"; |
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38 | undef $reason; |
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39 | last; |
40 | } |
41 | } |
42 | } |
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43 | |
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44 | if (not defined $where) { # Try local. |
45 | my $PW = "/etc/passwd"; |
46 | if (-f $PW && open(PW, $PW) && defined(<PW>)) { |
47 | $where = $PW; |
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48 | undef $reason; |
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49 | } |
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50 | } |
51 | |
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52 | if ($reason) { # Give up. |
53 | print "1..0 # Skip: $reason\n"; |
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54 | exit 0; |
55 | } |
56 | } |
57 | |
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58 | # By now PW filehandle should be open and full of juicy password entries. |
59 | |
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60 | print "1..1\n"; |
61 | |
62 | # Go through at most this many users. |
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63 | # (note that the first entry has been read away by now) |
64 | my $max = 25; |
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65 | |
66 | my $n = 0; |
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67 | my $tst = 1; |
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68 | my %perfect; |
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69 | my %seen; |
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70 | |
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71 | while (<PW>) { |
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72 | chomp; |
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73 | my @s = split /:/; |
74 | my ($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s; |
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75 | next if /^\+/; # ignore NIS includes |
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76 | if (@s) { |
77 | push @{ $seen{$name_s} }, $.; |
78 | } else { |
79 | warn "# Your $where line $. is empty.\n"; |
80 | next; |
81 | } |
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82 | if ($n == $max) { |
83 | local $/; |
84 | my $junk = <PW>; |
85 | last; |
86 | } |
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87 | # In principle we could whine if @s != 7 but do we know enough |
88 | # of passwd file formats everywhere? |
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89 | if (@s == 7) { |
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90 | @n = getpwuid($uid_s); |
91 | # 'nobody' et al. |
92 | next unless @n; |
93 | my ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
94 | # Protect against one-to-many and many-to-one mappings. |
95 | if ($name_s ne $name) { |
96 | @n = getpwnam($name_s); |
97 | ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n; |
98 | next if $name_s ne $name; |
99 | } |
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100 | $perfect{$name_s}++ |
101 | if $name eq $name_s and |
102 | $uid eq $uid_s and |
103 | # Do not compare passwords: think shadow passwords. |
104 | $gid eq $gid_s and |
105 | $gcos eq $gcos_s and |
106 | $home eq $home_s and |
107 | $shell eq $shell_s; |
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108 | } |
109 | $n++; |
110 | } |
111 | |
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112 | if (keys %perfect == 0) { |
113 | $max++; |
114 | print <<EOEX; |
115 | # |
116 | # The failure of op/pwent test is not necessarily serious. |
117 | # It may fail due to local password administration conventions. |
118 | # If you are for example using both NIS and local passwords, |
119 | # test failure is possible. Any distributed password scheme |
120 | # can cause such failures. |
121 | # |
122 | # What the pwent test is doing is that it compares the $max first |
123 | # entries of $where |
124 | # with the results of getpwuid() and getpwnam() call. If it finds no |
125 | # matches at all, it suspects something is wrong. |
126 | # |
127 | EOEX |
128 | print "not "; |
129 | $not = 1; |
130 | } else { |
131 | $not = 0; |
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132 | } |
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133 | print "ok ", $tst++; |
134 | print "\t# (not necessarily serious: run t/op/pwent.t by itself)" if $not; |
135 | print "\n"; |
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136 | |
137 | close(PW); |