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|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
eval {my @n = getpwuid 0; setpwent()};
if ($@ && $@ =~ /(The \w+ function is unimplemented)/) {
print "1..0 # Skip: $1\n";
exit 0;
}
eval { require Config; import Config; };
my $reason;
if ($Config{'i_pwd'} ne 'define') {
$reason = '$Config{i_pwd} undefined';
}
elsif (not -f "/etc/passwd" ) { # Play safe.
$reason = 'no /etc/passwd file';
}
if (not defined $where) { # Try NIS.
foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) {
if (-x $ypcat &&
open(PW, "$ypcat passwd 2>/dev/null |") &&
defined(<PW>)) {
$where = "NIS passwd";
undef $reason;
last;
}
}
}
if (not defined $where) { # Try NetInfo.
foreach my $nidump (qw(/usr/bin/nidump)) {
if (-x $nidump &&
open(PW, "$nidump passwd . 2>/dev/null |") &&
defined(<PW>)) {
$where = "NetInfo passwd";
undef $reason;
last;
}
}
}
if (not defined $where) { # Try local.
my $PW = "/etc/passwd";
if (-f $PW && open(PW, $PW) && defined(<PW>)) {
$where = $PW;
undef $reason;
}
}
if ($reason) { # Give up.
print "1..0 # Skip: $reason\n";
exit 0;
}
}
# By now the PW filehandle should be open and full of juicy password entries.
print "1..2\n";
# Go through at most this many users.
# (note that the first entry has been read away by now)
my $max = 25;
my $n = 0;
my $tst = 1;
my %perfect;
my %seen;
print "# where $where\n";
setpwent();
while (<PW>) {
chomp;
# LIMIT -1 so that users with empty shells don't fall off
my @s = split /:/, $_, -1;
my ($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s);
if ($^O eq 'darwin') {
($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s[0,1,2,3,7,8,9];
} else {
($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s;
}
next if /^\+/; # ignore NIS includes
if (@s) {
push @{ $seen{$name_s} }, $.;
} else {
warn "# Your $where line $. is empty.\n";
next;
}
if ($n == $max) {
local $/;
my $junk = <PW>;
last;
}
# In principle we could whine if @s != 7 but do we know enough
# of passwd file formats everywhere?
if (@s == 7 || ($^O eq 'darwin' && @s == 10)) {
@n = getpwuid($uid_s);
# 'nobody' et al.
next unless @n;
my ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n;
# Protect against one-to-many and many-to-one mappings.
if ($name_s ne $name) {
@n = getpwnam($name_s);
($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n;
next if $name_s ne $name;
}
$perfect{$name_s}++
if $name eq $name_s and
$uid eq $uid_s and
# Do not compare passwords: think shadow passwords.
$gid eq $gid_s and
$gcos eq $gcos_s and
$home eq $home_s and
$shell eq $shell_s;
}
$n++;
}
endpwent();
print "# max = $max, n = $n, perfect = ", scalar keys %perfect, "\n";
if (keys %perfect < $n) {
$max++;
print <<EOEX;
#
# The failure of op/pwent test is not necessarily serious.
# It may fail due to local password administration conventions.
# If you are for example using both NIS and local passwords,
# test failure is possible. Any distributed password scheme
# can cause such failures.
#
# What the pwent test is doing is that it compares the $max first
# entries of $where
# with the results of getpwuid() and getpwnam() call. If it finds no
# matches at all, it suspects something is wrong.
#
EOEX
print "not ";
$not = 1;
} else {
$not = 0;
}
print "ok ", $tst++;
print "\t# (not necessarily serious: run t/op/pwent.t by itself)" if $not;
print "\n";
# Test both the scalar and list contexts.
my @pw1;
setpwent();
for (1..$max) {
my $pw = scalar getpwent();
last unless defined $pw;
push @pw1, $pw;
}
endpwent();
my @pw2;
setpwent();
for (1..$max) {
my ($pw) = (getpwent());
last unless defined $pw;
push @pw2, $pw;
}
endpwent();
print "not " unless "@pw1" eq "@pw2";
print "ok ", $tst++, "\n";
close(PW);
|
