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Diff for /loncom/CrGenerate.pl between versions 1.1 and 1.4

version 1.1, 2004/06/29 10:47:46 version 1.4, 2004/06/30 11:14:35
Line 51  use strict; Line 51  use strict;
 use MIME::Entity;  use MIME::Entity;
 use Mail::Mailer;  use Mail::Mailer;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use File::Copy;
   
 #  Global variable declarations:  #  Global variable declarations:4
   
 $SSLCommand; # Full path to openssl command.  my $SSLCommand;  # Full path to openssl command.
 $CertificateDirectory; # LONCAPA Certificate directory.  my $CertificateDirectory;  # LONCAPA Certificate directory.
 $KeyFilename; # Key filename (within CertificateDirectory).  my $KeyFilename;          # Key filename (within CertificateDirectory).
 $Passphrase="loncapawhatever"; # Initial passphrase for keyfile  my $RequestEmail;  # Email address of loncapa cert admin.
 $RequestEmail; # Email address of loncapa cert admin.  my $WebUID; # UID of web user.
   my $WebGID; # GID of web user.
   
   my $Passphrase="loncapawhatever";      # Initial passphrase for keyfile
   my $RequestFile="loncapaRequest.pem";  # Name of Certificate request file.
   my $EncodedKey="hostkey.pem";       # Name of encoded key file.
   
   my $WebUser="www"; # Username running the web server.
   my $WebGroup="www"; # Group name running the web server.
   
 #   Debug/log support:  #   Debug/log support:
 #  #
   my $DEBUG = 1; # 1 for on, 0 for off.
 $DEBUG = 1; # 1 for on, 0 for off.  
   
 # Send debugging to stderr.  # Send debugging to stderr.
 # Parameters:  # Parameters:
Line 72  $DEBUG = 1;   # 1 for on, 0 for off. Line 80  $DEBUG = 1;   # 1 for on, 0 for off.
 #    $DEBUG - message is only written if this is true.  #    $DEBUG - message is only written if this is true.
 #  #
 sub Debug {  sub Debug {
     $msg  = shift;      my $msg  = shift;
     if($DEBUG) {      if($DEBUG) {
  print STDERR "$msg\n";   print STDERR "$msg\n";
     }      }
 }  }
   
   #
   #   Read the LonCAPA web config files to get the values of the 
   #   configuration global variables we need:
   # Implicit inputs:
   #   loncapa.conf   - configuration file to read (user specific).
   # Implicit outputs (see global variables section):
   #   SSLCommand,
   #   CertificateDirectory
   #   KeyfileName
   #   RequestEmail
   # Side-Effects:
   #   Exit with error if cannot complete.
   #
   sub ReadConfig {
   
       Debug("Reading configuration");
       my $perlvarref = LONCAPA::Configuration::read_conf('loncapa.conf');
       
       # Name of the SSL Program
   
       if($perlvarref->{SSLProgram}) {
    $SSLCommand = $perlvarref->{SSLProgram};
    Debug("SSL Command: $SSLCommand");
       }
       else {
    die "Unable to read the SSLCommand configuration option\n";
       }
   
       # Where the certificates, and host key are installed:
   
       if($perlvarref->{lonCertificateDirectory}) {
    $CertificateDirectory = $perlvarref->{lonCertificateDirectory};
    Debug("Local certificate Directory: $CertificateDirectory");
       }
       else {
    die "Unable to read SSLDirectory configuration option\n";
       }
       # The name of the host key file (to be installed in SSLDirectory).
       #
       if($perlvarref->{lonnetPrivateKey}) {
    $KeyFilename  = $perlvarref->{lonnetPrivateKey};
    Debug("Private key will be installed as $KeyFilename");
       } 
       else {
    die "Unable to read lonnetPrivateKey conrig paraemter\n";
       }
       #  The email address to which the certificate request is sent:
   
       if($perlvarref->{SSLEmail}) {
    $RequestEmail = $perlvarref->{SSLEmail};
    Debug("Certificate request will be sent to $RequestEmail");
       }
       else {
    die "Could not read SSLEmail coniguration key";
       }
       #  The UID/GID of the web user: It's possible the web user's
       #  GID is not its primary, so we'll translate that form the
       #  group file separately.
   
       my ($login, $pass, $uid, $gid) = getpwnam($WebUser);
       if($uid) {
    $WebUID = $uid;
    Debug("Web user: $WebUser -> UID: $WebUID");
       }
       else {
    die "Could not translate web user: $WebUser to a uid.";
       }
       my $gid = getgrnam($WebGroup);
       if($gid) {
    $WebGID = $gid;
    Debug("Web group: $WebGroup -> GID $WebGID");
       }
       else {
    die "Unable to translate web group $WebGroup to a gid.";
       }
   }
   #
   #   Generate a certificate request.
   #   The openssl command is issued to create a local host key and
   #   a certificate request.  The key is initially encoded.
   #   We will eventually decode this, however, since the key
   #   passphrase is open source we'll protect even the initial 
   #   encoded key file too.  We'll need to decode the keyfile since
   #   otherwise, openssl will need a passphrase everytime an ssl connection
   #   is created (ouch).
   # Implicit Inputs:
   #    Passphrase   - Initial passphrase for the encoded key.
   #    RequestFile  - Filename of the certificate request.
   #    EncodedKey   - Filename of the encoded key file.
   #
   # Side-Effects:
   #
   sub GenerateRequest {
       Debug("Generating the request and key");
   
       print "We are now going to generate the certificate request\n";
       print "You will be prompted by openssl for several pieces of \n";
       print "information.  Most of this information is for documentation\n";
       print "purposes only, so it's not critical if you make a mistake.\n";
       print "However:  The generated certificate will be sent to the \n";
       print "Email address you provide, and you should leave the optional\n";
       print "Challenge password blank.\n";
   
       my $requestcmd = $SSLCommand." req -newkey rsa:1024 "
                                   ." -keyout hostkey.pem "
                                   ." -keyform PEM "
                                   ." -out request.pem "
                                   ." -outform PEM "
                                   ." -passout pass:$Passphrase";
       my $status = system($requestcmd);
       if($status) {
    die "Certificate request generation failed: $status";
       }
   
       chmod(0600, "hostkey.pem"); # Protect key since passphrase is opensrc.
   
       Debug("Decoding the key");
       my $decodecmd = $SSLCommand." rsa -in  hostkey.pem"
                                  ."     -out hostkey.dec"
                                  ."     -passin pass:$Passphrase";
       my $status = system($decodecmd);
       if($status) {
    die "Host key decode failed";
       }
   
       chmod(0600, "hostkey.dec"); # Protect the decoded hostkey.
       Debug("Done");
   }
   #
   #  Installs the decoded host key (hostkey.dec) in the 
   #  certificate directory with the correct permissions.
   #
   # Implicit Inputs:
   #    hostkey.dec           - the name of the host key file.
   #    $CertificateDirectory - where the key file gets installed
   #    $KeyFilename          - Final name of the key file.
   #    $WebUser              - User who should own the key file.
   #    $WebGroup             - Group who should own the key file.
   #    0400                  - Permissions to give to the installed key
   #                            file.
   #    0700                  - Permissions given to the certificate
   #                            directory if created.
   # Side-Effects:
   #    If necessary, $CertificateDirectory is created.
   #    $CertificateDirectory/$KeyFilename is ovewritten with the
   #          contents of hostkey.dec in the cwd.
   #
   sub InstallKey {
       Debug("InstallKey");
   
       Debug("Need to create certificate directory?");
       if(!(-d $CertificateDirectory)) {
   
    Debug("Creating");
    mkdir($CertificateDirectory, 0700);
    chown($WebUID, $WebGID, $CertificateDirectory);
       }
       else {
    Debug("Exists");
       }
   
 sub ReadConfig {}      Debug("Installing the key file:");
 sub GenerateRequest {}      my $FullKeyPath = $CertificateDirectory."/".$KeyFilename;
 sub InstallKey {}      copy("hostkey.dec", $FullKeyPath);
   
       Debug("Setting ownership and permissions");
       chmod(0400, $FullKeyPath);
       chown($WebUID, $WebGID, $FullKeyPath);
   
       Debug("Done");
   }
 sub MailRequest {}  sub MailRequest {}
 sub Cleanup {}  sub Cleanup {}
   
Removed from v.1.1  
changed lines
  Added in v.1.4

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