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samba-mirror/examples/LDAP/ol-schema-migrate.pl
Simo Sorce ab7770b34b r25127: Add ol-schema-migrate.pl to the repo. 
This script is useful for migrating OpenLDAP schema files to FDS/RHDS
lidf schema files.

License kindly updated to GPLv3+ at our request.

Simo.
2007-10-10 12:30:42 -05:00

385 lines
15 KiB
Perl
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#!/usr/bin/perl -w
#
# Convert OpenLDAP schema files into Fedora DS format with RFC2252 compliant printing
#
# First Release : Mike Jackson <mj@sci.fi> 14 June 2005
# http://www.netauth.com/~jacksonm/ldap/ol-schema-migrate.pl
# Professional LDAP consulting for large and small projects
#
# - 6 Dec 2005
# - objectclass element ordering
#
# Second Release : Alyseo <info@alyseo.com> 05 Februrary 2006
# Francois Billard <francois@alyseo.com>
# Yacine Kheddache <yacine@alyseo.com>
# http://www.alyseo.com/
#
# - 05 Februrary 2006
# - parsing improvement to accept non-RFC compliant schemas (like ISPMAN)
# - adding RFC element : Usage, No-user-modification, collective keywords
# - 08 Februrary 2006
# - adding help & usage
# - now this script can also beautify your schemas: "-b"
# - count attributes and objects class: "-c"
# - display items that can not be converted (empty OID...): "-d"
# - 15 February 2006
# - adding workaround for Fedora DS bug 181465:
# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=181465
# - adding duplicated OID check: "-d"
# Useful to manually correct nasty schemas like:
# https://sourceforge.net/tracker/?func=detail&atid=108390&aid=1429276&group_id=8390
# - 13 September 2007
# Based on Samba Team GPL Compliance Officer request, license has been updated from
# GPL to GPLv3+
#
# - Fedora DS bug you need to correct by hand :
# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179956
#
# GPLv3+ license
#
my $optionCount = 0;
my $optionPrint = 0;
my $optionBadEntries = 0;
my $optionHelp = 0;
my $filename = "" ;
foreach (@ARGV) {
$optionHelp = 1 if ( /^-h$/);
$optionCount = 1 if ( /^-c$/);
$optionPrint = 1 if ( /^-b$/);
$optionBadEntries = 1 if ( /^-d$/);
$filename = $_ if ( ! /^-b$/ && ! /^-c$/ && ! /^-d$/);
}
die "Usage : ol-schema-migrate-v2.pl [ -c ] [ -b ] [ -d ] schema\n" .
" -c\tcount attribute and object class\n" .
" -b\tconvert and beautify your schema\n" .
" -d\tdisplay unrecognized elements, find empty and duplicated OID\n" .
" -h\tthis help\n" if ($filename eq "" || ($optionHelp || (!$optionCount && !$optionPrint && !$optionBadEntries)));
if($optionCount) {
print "Schema verification counters:\n";
my $ldapdata = &getSourceFile($filename);
print "".(defined($ldapdata->{attributes}) ? @{$ldapdata->{attributes}} : 0) . " attributes\n";
print "".(defined($ldapdata->{objectclass}) ? @{$ldapdata->{objectclass}} : 0) . " object classes\n\n"
}
if($optionPrint) {
my $ldapdata = &getSourceFile($filename);
&printit($ldapdata);
}
if($optionBadEntries) {
print "Display unrecognized entries:\n";
my $ldapdata = &getSourceFile($filename);
my $errorsAttr = 0;
my $errorsObjc = 0;
my $errorsDup = 0;
my $emptyOid = 0;
my %dup;
foreach (@{$ldapdata->{attributes}}) {
my $attr = $_;
push @{$dup{$attr->{OID}}{attr}}, {NAME => $attr->{NAME}, LINENUMBER => $attr->{LINENUMBER}};
$attr->{DATA} =~ s/\n/ /g;
$attr->{DATA} =~ s/\r//g;
$attr->{DATA} =~ s/attribute[t|T]ypes?:?\s*\(//;
$attr->{DATA} =~ s/\Q$attr->{OID}// if(defined $attr->{OID});
$attr->{DATA} =~ s/NAME\s*\Q$attr->{NAME}// if(defined $attr->{NAME});
$attr->{DATA} =~ s/DESC\s*'\Q$attr->{DESC}'// if(defined $attr->{DESC});
$attr->{DATA} =~ s/$attr->{OBSOLETE}// if(defined $attr->{OBSOLETE});
$attr->{DATA} =~ s/SUP\s*\Q$attr->{SUP}// if(defined $attr->{SUP});
$attr->{DATA} =~ s/EQUALITY\s*\Q$attr->{EQUALITY}// if(defined $attr->{EQUALITY});
$attr->{DATA} =~ s/ORDERING\s*\Q$attr->{ORDERING}// if(defined $attr->{ORDERING});
$attr->{DATA} =~ s/SUBSTR\s*\Q$attr->{SUBSTR}// if(defined $attr->{SUBSTR});
$attr->{DATA} =~ s/SYNTAX\s*\Q$attr->{SYNTAX}// if(defined $attr->{SYNTAX});
$attr->{DATA} =~ s/SINGLE-VALUE// if(defined $attr->{SINGLEVALUE});
$attr->{DATA} =~ s/NO-USER-MODIFICATION// if(defined $attr->{NOUSERMOD});
$attr->{DATA} =~ s/COLLECTIVE// if(defined $attr->{COLLECTIVE});
$attr->{DATA} =~ s/USAGE\s*\Q$attr->{USAGE}// if(defined $attr->{USAGE});
$attr->{DATA} =~ s/\)\s$//;
$attr->{DATA} =~ s/^\s+(\S)/\n$1/ ;
$attr->{DATA} =~ s/(\S)\s+$/$1\n/;
do {
$errorsAttr ++;
do { $emptyOid ++;
print "Warning : no OID for attributes element at line $attr->{LINENUMBER} \n";
} if( !defined($attr->{OID}));
print "### Unknow element embedded in ATTRIBUTE at line $attr->{LINENUMBER} :\n$attr->{DATA}\n"
} if($attr->{DATA} =~ /\w/);
}
foreach (@{$ldapdata->{objectclass}}) {
my $objc = $_;
push @{$dup{$objc->{OID}}{objc}} , {NAME => $objc->{NAME}, LINENUMBER => $objc->{LINENUMBER}};
$objc->{DATA} =~ s/\n/ /g;
$objc->{DATA} =~ s/\r//g;
$objc->{DATA} =~ s/^object[c|C]lasse?s?:?\s*\(?//;
$objc->{DATA} =~ s/\Q$objc->{OID}// if(defined $objc->{OID});
$objc->{DATA} =~ s/NAME\s*\Q$objc->{NAME}\E// if(defined $objc->{NAME});
$objc->{DATA} =~ s/DESC\s*'\Q$objc->{DESC}\E'// if(defined $objc->{DESC});
$objc->{DATA} =~ s/OBSOLETE// if(defined $objc->{OBSOLETE});
$objc->{DATA} =~ s/SUP\s*\Q$objc->{SUP}// if(defined $objc->{SUP});
$objc->{DATA} =~ s/\Q$objc->{TYPE}// if(defined $objc->{TYPE});
$objc->{DATA} =~ s/MUST\s*\Q$objc->{MUST}\E\s*// if(defined $objc->{MUST});
$objc->{DATA} =~ s/MUST\s*\(?\s*\Q$objc->{MUST}\E\s*\)?// if(defined $objc->{MUST});
$objc->{DATA} =~ s/MAY\s*\Q$objc->{MAY}\E// if(defined $objc->{MAY});
$objc->{DATA} =~ s/\)\s$//;
$objc->{DATA} =~ s/^\s+(\S)/\n$1/ ;
$objc->{DATA} =~ s/(\S)\s+$/$1\n/;
do {
print "#" x 80 ."\n";
$errorsObjc ++;
do { $emptyOid++ ;
print "Warning : no OID for object class element at line $objc->{LINENUMBER} \n";
} if( $objc->{OID} eq "");
print "### Unknow element embedded in OBJECT CLASS at line $objc->{LINENUMBER} :\n$objc->{DATA}\n"
} if($objc->{DATA} =~ /\w/);
}
my $nbDup = 0;
foreach (keys %dup) {
my $sumOid = 0;
$sumOid += @{$dup{$_}{attr}} if(defined (@{$dup{$_}{attr}}));
$sumOid += @{$dup{$_}{objc}} if(defined (@{$dup{$_}{objc}}));
if( $sumOid > 1 && $_ ne "") {
$nbDup ++;
print "#" x 80 ."\n";
print "Duplicate OID founds : $_\n";
foreach (@{$dup{$_}{attr}}) {
print "Attribute : $_->{NAME} (line : $_->{LINENUMBER})\n";
}
foreach (@{$dup{$_}{objc}}) {
print "Object class : $_->{NAME} (line : $_->{LINENUMBER})\n";
}
}
}
print "\n$errorsAttr errors detected in ATTRIBUTES list\n";
print "$errorsObjc errors detected in OBJECT CLASS list\n";
print "$nbDup duplicate OID founds\n";
print "$emptyOid empty OID fields founds\n\n";
}
sub printit {
my $ldapdata = shift;
&printSeparator;
print "dn: cn=schema\n";
&printSeparator;
# print elements in RFC2252 order
foreach (@{$ldapdata->{attributes}}) {
my $attr = $_;
print "attributeTypes: (\n";
print " $attr->{OID}\n";
print " NAME $attr->{NAME}\n";
print " DESC '$attr->{DESC}'\n" if(defined $attr->{DESC});
print " OBSOLETE\n" if(defined $attr->{OBSOLETE});
print " SUP $attr->{SUP}\n" if(defined $attr->{SUP});
print " EQUALITY $attr->{EQUALITY}\n" if(defined $attr->{EQUALITY});
print " ORDERING $attr->{ORDERING}\n" if(defined $attr->{ORDERING});
print " SUBSTR $attr->{SUBSTR}\n" if(defined $attr->{SUBSTR});
print " SYNTAX $attr->{SYNTAX}\n" if(defined $attr->{SYNTAX});
print " SINGLE-VALUE\n" if(defined $attr->{SINGLEVALUE});
print " NO-USER-MODIFICATION\n" if(defined $attr->{NOUSERMOD});
print " COLLECTIVE\n" if(defined $attr->{COLLECTIVE});
print " USAGE $attr->{USAGE}\n" if(defined $attr->{USAGE});
print " )\n";
&printSeparator;
}
foreach (@{$ldapdata->{objectclass}}) {
my $objc = $_;
# next 3 lines : Fedora DS space sensitive bug workaround
$objc->{SUP} =~ s/^\(\s*(.*?)\s*\)$/\( $1 \)/ if (defined $objc->{SUP});
$objc->{MUST} =~ s/^\(\s*(.*?)\s*\)$/\( $1 \)/ if (defined $objc->{MUST});
$objc->{MAY} =~ s/^\(\s*(.*?)\s*\)$/\( $1 \)/ if (defined $objc->{MAY});
print "objectClasses: (\n";
print " $objc->{OID}\n";
print " NAME $objc->{NAME}\n";
print " DESC '$objc->{DESC}'\n" if(defined $objc->{DESC});
print " OBSOLETE\n" if(defined $objc->{OBSOLETE});
print " SUP $objc->{SUP}\n" if(defined $objc->{SUP});
print " $objc->{TYPE}\n" if(defined $objc->{TYPE});
print " MUST $objc->{MUST}\n" if(defined $objc->{MUST});
print " MAY $objc->{MAY}\n" if(defined $objc->{MAY});
print " )\n";
&printSeparator;
}
}
sub printSeparator {
print "#\n";
print "#" x 80 . "\n";
print "#\n";
}
sub getSourceFile {
my @data = &getFile(shift);
my %result;
my $result = \%result;
my @allattrs;
my @allattrsLineNumber;
my @allobjc;
my @allobjcLineNumber;
my $at = 0;
my $oc = 0;
my $at_string;
my $oc_string;
my $idx = 0;
my $beginParenthesis = 0;
my $endParenthesis = 0;
my $lineNumber = 0;
for(@data) {
$lineNumber++;
next if (/^\s*\#/); # skip comments
if($at) {
s/ +/ /; # remove embedded tabs
s/\t/ /; # remove multiple spaces after the $ sign
$at_string .= $_;
$beginParenthesis = 0; # Use best matching elements
$endParenthesis = 0;
for(my $i=0;$ i < length($at_string); $i++) {
$beginParenthesis++ if(substr ($at_string,$i,1) eq "(");
$endParenthesis++ if(substr ($at_string,$i,1) eq ")");
}
if($beginParenthesis == $endParenthesis) {
push @allattrs, $at_string;
$at = 0;
$at_string = "";
$endParenthesis = 0;
$beginParenthesis = 0;
}
}
if (/^attribute[t|T]ype/) {
my $line = $_;
push @allattrsLineNumber, $lineNumber; # keep starting line number
for(my $i=0;$ i < length($line); $i++) {
$beginParenthesis++ if(substr ($line, $i, 1) eq "(");
$endParenthesis++ if(substr ($line, $i, 1) eq ")");
}
if($beginParenthesis == $endParenthesis && $beginParenthesis != 0) {
push @allattrs, $line;
$endParenthesis = 0;
$beginParenthesis = 0;
} else {
$at_string = $line;
$at = 1;
}
}
#####################################
if($oc) {
s/ +/ /;
s/\t/ /;
$oc_string .= $_;
$endParenthesis = 0; # best methode to accept an elements :
$beginParenthesis = 0; # left parenthesis sum == right parenthesis sum, so we are sure to
for(my $i=0;$ i < length($oc_string); $i++) { # have an element.
$beginParenthesis++ if(substr ($oc_string, $i, 1) eq "(");
$endParenthesis++ if(substr ($oc_string, $i, 1) eq ")");
}
if($beginParenthesis == $endParenthesis) {
push @allobjc, $oc_string;
$oc = 0;
$oc_string = "";
$endParenthesis = 0;
$beginParenthesis = 0;
}
}
if (/^object[c|C]lass/) {
my $line = $_;
push @allobjcLineNumber, $lineNumber; # keep starting line number
for(my $i=0;$ i < length($line); $i++) {
$beginParenthesis++ if(substr ($line, $i, 1) eq "(");
$endParenthesis++ if(substr ($line, $i, 1) eq ")");
}
if($beginParenthesis == $endParenthesis && $beginParenthesis != 0) {
push @allobjc, $line;
$endParenthesis = 0;
$beginParenthesis = 0;
} else {
$oc_string = $line;
$oc = 1;
}
}
}
# Parsing attribute elements
for(@allattrs) {
s/\n/ /g;
s/\r//g;
s/ +/ /g;
s/\t/ /g;
$result->{attributes}->[$idx]->{DATA} = $_ if($optionBadEntries); # keep original data
$result->{attributes}->[$idx]->{LINENUMBER} = $allattrsLineNumber[$idx];
$result->{attributes}->[$idx]->{OID} = $1 if (m/^attribute[t|T]ypes?:?\s*\(?\s*([\.\d]*?)\s+/);
$result->{attributes}->[$idx]->{NAME} = $1 if (m/NAME\s+('.*?')\s*/ || m/NAME\s+(\(.*?\))/);
$result->{attributes}->[$idx]->{DESC} = $1 if (m/DESC\s+'(.*?)'\s*/);
$result->{attributes}->[$idx]->{OBSOLETE} = "OBSOLETE" if (m/OBSOLETE/);
$result->{attributes}->[$idx]->{SUP} = $1 if (m/SUP\s+(.*?)\s/);
$result->{attributes}->[$idx]->{EQUALITY} = $1 if (m/EQUALITY\s+(.*?)\s/);
$result->{attributes}->[$idx]->{ORDERING} = $1 if (m/ORDERING\s+(.*?)\s/);
$result->{attributes}->[$idx]->{SUBSTR} = $1 if (m/SUBSTR\s+(.*?)\s/);
$result->{attributes}->[$idx]->{SYNTAX} = $1 if (m/SYNTAX\s+(.*?)(\s|\))/);
$result->{attributes}->[$idx]->{SINGLEVALUE} = "SINGLE-VALUE" if (m/SINGLE-VALUE/);
$result->{attributes}->[$idx]->{COLLECTIVE} = "COLLECTIVE" if (m/COLLECTIVE/);
$result->{attributes}->[$idx]->{USAGE} = $1 if (m/USAGE\s+(.*?)\s/);
$result->{attributes}->[$idx]->{NOUSERMOD} = "NO-USER-MODIFICATION" if (m/NO-USER-MODIFICATION/);
$idx ++;
}
$idx = 0;
# Parsing object class elements
for(@allobjc) {
s/\n/ /g;
s/\r//g;
s/ +/ /g;
s/\t/ /g;
$result->{objectclass}->[$idx]->{DATA} = $_ if($optionBadEntries); # keep original data
$result->{objectclass}->[$idx]->{LINENUMBER} = $allobjcLineNumber[$idx];
$result->{objectclass}->[$idx]->{OID} = $1 if (m/^object[c|C]lasse?s?:?\s*\(?\s*([\.\d]*?)\s+/);
$result->{objectclass}->[$idx]->{NAME} = $1 if (m/NAME\s+('.*?')\s*/ || m/NAME\s+(\(.*?\))/);
$result->{objectclass}->[$idx]->{DESC} = $1 if (m/DESC\s+'(.*?)'\s*/);
$result->{objectclass}->[$idx]->{OBSOLETE} = "OBSOLETE" if (m/OBSOLETE/);
$result->{objectclass}->[$idx]->{SUP} = $1 if (m/SUP\s+([^()]+?)\s/ || m/SUP\s+(\(.+?\))\s/);
$result->{objectclass}->[$idx]->{TYPE} = $1 if (m/((?:STRUCTURAL)|(?:AUXILIARY)|(?:ABSTRACT))/);
$result->{objectclass}->[$idx]->{MUST} = $1 if (m/MUST\s+(\w+)\)?/ || m/MUST\s+(\(.*?\))(\s|\))/s);
$result->{objectclass}->[$idx]->{MAY} = $1 if (m/MAY\s+(\w+)\)?/ || m/MAY\s+(\(.*?\))(\s|\))/s);
$idx++;
}
return $result;
}
sub getFile {
my @data;
my $file = shift;
die "File not found : $file\n" if(! -e $file);
open FH, $file;
@data = <FH>;
close FH;
@data;
}
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