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#!/usr/bin/perl -w
#Pragmas
use strict;
#Parse command line...
my ($copy, $link);
my $type = shift @ARGV;
if( $type =~ /^copy$/i ) {
$copy = 1;
}
if( $type =~ /^link$/i ) {
$link = 1;
}
#Main program loop
open (RPMOUT, "> filelist-rpm") or die;
while( <> ){
chomp;
s/^\s*//;
s/\s*$//;
s/\s*#.*$//;
next if m/^$/;
my $line = $_;
($line =~ m/^R...:(.*)/) && print RPMOUT $1 . "\n";
($line =~ m/^..M.:(.*)/) && MakeDir( $1 );
($line =~ m/^.C..:(.*)/) && ($copy) && CopyFile( $1 );
($line =~ m/^.C..:(.*)/) && ($link) && LinkFile( $1 );
($line =~ m/^R...:(.*)/) && ChangeAttrs( $1 );
}
sub CopyFile {
my ($src, $dst) = ParseCLine( shift );
if( -d $dst ) {
$src =~ m|^.*/(.*)$|;
my $file = $1;
$dst .= "/" if ! ($dst=~m|/$|);
$dst .= $file;
}
if( -e $dst ) {
unlink $dst;
}
open INPUT, "<", $src or goto out1;
open OUTPUT, ">", $dst or goto out2;
while(<INPUT>){ print OUTPUT $_ }
close OUTPUT;
print "Installed File: $dst\n";
out2:
close INPUT;
out1:
return;
}
sub LinkFile {
my ($src, $dst) = ParseCLine( shift );
if( -d $dst ) {
$src =~ m|^.*/(.*)$|;
my $file = $1;
$dst .= "/" if ! ($dst=~m|/$|);
$dst .= $file;
}
if( -e $dst ) {
unlink $dst;
}
symlink $src, $dst
or warn "Linking $src to $dst failed $!\n";
print "Installed File: $dst\n";
}
sub ParseCLine {
my $line = shift;
$line =~ s/^\s*//;
$line =~ s/\s*$//;
$line =~ m/^(.*?)\s+(.*?)$/;
return ($1, $2);
}
sub ParseRLine {
my $line = shift;
my @directives;
my @retval;
$line =~ s/^\s*//;
$line =~ s/\s*$//;
my @words = split( /\s+/, $line );
foreach my $word (@words) {
if( $word =~ /^\%(.*)/ ) {
push @directives, $word;
} else {
push @retval, $word;
}
}
return \@retval, \@directives;
}
sub MakeDir {
#R-M-: %attr(0755,root,ali) /opt/ali
my $line = shift;
#$line =~ m/\%attr\((.{1,5}),(\w+),(\w+)\)\s+(.*)/;
my ($file_ref, $directive_ref) = ParseRLine( $line );
my $dir = $file_ref->[0];
if( ! -d $dir ) {
mkdir $dir
or warn "Make Dir: -->$dir<-- failed $!\n";
}
print "Made Dir: $dir\n";
}
sub GetUID {
my $name = shift;
my (undef, undef, $uid, undef) = getpwnam( $name ) ;
$uid = defined($uid) ? $uid : -1;
return $uid;
}
sub GetGID {
my $name = shift;
my (undef, undef, $gid, undef) = getgrnam( $name ) ;
$gid = defined($gid) ? $gid : -1;
return $gid;
}
sub ChangeAttrs {
my $line = shift;
my ($file_ref, $directive_ref) = ParseRLine( $line );
my ($attr) = grep { /^\%attr/ } @$directive_ref;
$attr =~ m/\%attr\((.{1,5}),(\w+),(\w+)\)/;
my $perms = $1;
my $owner = $2;
my $group = $3;
my $file = $file_ref->[0];
my $uid = GetUID($owner);
my $gid = GetGID($group);
chown $uid, $gid, $file;
chmod oct($perms), $file;
}
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