postinst is in sudo-ldap 1.8.3p1-1ubuntu3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | #!/usr/bin/perl
# remove old link
unlink ("/etc/alternatives/sudo") if ( -l "/etc/alternatives/sudo");
# complain if no sudoers file is present
if ( ! -f "/etc/sudoers") {
print "WARNING: /etc/sudoers not present!\n";
}
# handle state directory transition from /var/run/sudo to /var/lib/sudo,
# moving any existing content over to avoid re-lecturing existing users
if ( -d "/var/run/sudo") {
system ('mkdir -p /var/lib/sudo');
system ('(cd /var/run/sudo ; tar cf - .) | (cd /var/lib/sudo ; tar xf -)');
system ('rm -rf /var/run/sudo');
}
# make sure sudoers has the correct permissions and owner/group
system ('chown root:root /etc/sudoers');
system ('chmod 440 /etc/sudoers');
# must do a remove first to un-do the "bad" links created by previous version
system ('update-rc.d -f sudo remove >/dev/null 2>&1');
system ('update-rc.d sudo start 75 2 3 4 5 . >/dev/null');
# create symlink to ease transition to new path for ldap config
# if old config file exists and new one doesn't
if (-e "/etc/ldap/ldap.conf" && ! -e "/etc/sudo-ldap.conf") {
system("ln -s ldap/ldap.conf /etc/sudo-ldap.conf");
}
# make sure we have a sudo group
exit 0 if getgrnam("sudo"); # we're finished if there is a group sudo
$gid = 27; # start searcg with gid 27
setgrent;
while (getgrgid($gid)) {
++$gid;
}
endgrent;
if ($gid != 27) {
print "On Debian we normally use gid 27 for 'sudo'.\n";
$gname = getgrgid(27);
print "However, on your system gid 27 is group '$gname'.\n\n";
print "Would you like me to stop configuring sudo so that you can change this? [n] ";
$ans = <STDIN>;
if ($ans =~ m/^[yY].*/) {
print "'dpkg --pending --configure' will restart the configuration.\n\n\n";
exit 1;
}
}
print "Creating group 'sudo' with gid = $gid\n";
system("groupadd -g $gid sudo");
print "";
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