--- /dev/null
+# exim-lib.pl
+# Common functions for parsing exim config files
+
+do '../web-lib.pl';
+&init_config();
+do '../ui-lib.pl';
+use Tie::File;
+
+$exim_virt_dir = "$config{'exim_virt_dir'}";
+
+$config{'exim_aliasfileextre'} = "$config{'exim_aliasfileext'}";
+$config{'exim_aliasfileextre'} =~ s/\./\\./g;
+
+# user_mail_file(&user)
+# get mbox/maildir name
+sub user_mail_file
+{
+ my ($user) = @_;
+ if( !$user->{'home'} )
+ { return 0; }
+
+ return "$user->{'home'}/$config{'exim_mail_file'}";
+}
+
+# remove_domain(&domain)
+# Remove exim data regarding the domain
+sub remove_domain($)
+{
+ my ($domain) = @_;
+
+ # remove alias file
+ my $file = &alias_path($domain);
+ `rm $file`;
+
+ if( $config{'exim_dbmfile'} )
+ {
+ # remove local_domains entry
+ &process_file(op=>'delete',
+ file=>$config{'exim_dbmfile'},
+ pat=>"^\\*\\.$domain:",
+ onlyFirst=>1);
+
+ # remove dbm file
+ my $file = &alias_path($domain,1);
+ if( -e $file )
+ { `rm $file`; }
+ }
+}
+
+# add_local_domain(&domain)
+# Add a local domain
+sub add_local_domain($)
+{
+ my ($domain) = @_;
+
+ if( $config{'exim_dbmfile'} )
+ {
+ open( LD, ">>$config{'exim_dbmfile'}" );
+ print LD "*.$domain:\t".&alias_path($domain,1)."\n";
+ close( LD );
+ }
+}
+
+# alias_path(&domain,[dbm])
+# Return path to an alias file
+sub alias_path($)
+{
+ my ($domain,$dbm) = @_;
+ if( $dbm )
+ { return "$exim_virt_dir/$domain$config{'exim_dbmext'}"; }
+ else
+ { return "$exim_virt_dir/$domain$config{'exim_aliasfileext'}"; }
+}
+
+# create_aliases_file(&domain)
+# Creates an exim alias file
+sub create_aliases_file($)
+{
+ my($domain) = shift(@_);
+
+ $file = &alias_path($domain);
+
+ if ( ! -e $file )
+ {
+ open(CONF,"> $file");
+ print CONF <<EOF;
+
+*: :fail: That user does not exist.
+EOF
+ close(CONF);
+ }
+}
+
+# create_alias(&alias)
+# Creates a new exim alias
+sub create_alias
+{
+ local $alias = $_[0]->{'name'};
+ local $domain = $_[0]->{'dom'};
+ local $to = $_[0]->{'values'};
+
+
+ local $tos;
+ for (@$to)
+ { s/^\\+//; }
+ $tos = join(',',@$to);
+
+ &create_aliases_file($domain);
+
+ &process_file(op=>"insertBefore",
+ file=>&alias_path($domain),
+ pat=>"^\\*:",
+ text=>"$alias:\t$tos",
+ onlyFirst=>1);
+
+ # update email-addresses
+ if( $alias =~ /\@/ )
+ { return; }
+
+ if( $config{'exim_addrfile'} )
+ {
+ local $em = `cat $config{'exim_addrfile'}`;
+
+ if( !($em =~ /@$to[0]\t/) )
+ {
+ &process_file(op=>"insertBefore",
+ file=>$config{'exim_addrfile'},
+ text=>"@$to[0]\t$alias\@$domain" );
+ }
+ }
+}
+
+# modify_alias(&old, &alias)
+# Modifies an existing exim alias
+sub modify_alias(&old, &alias)
+{
+ &delete_alias($_[0]);
+ &create_alias($_[1]);
+}
+
+# delete_alias(&alias)
+# Deletes an existing exim alias file
+sub delete_alias
+{
+ local $alias = $_[0]->{'name'};
+ local $domain = $_[0]->{'dom'};
+
+ &process_file(op=>"delete",
+ file=>&alias_path($domain),
+ pat=>"^$alias\[:\\s\]",
+ onlyFirst=>1);
+
+ if( $config{'exim_addrfile'} )
+ {
+ &process_file(op=>"delete",
+ file=>$config{'exim_addrfile'},
+ pat=>"\\t\\S*\@$domain\$" );
+ }
+}
+
+# list_virtusers
+# Go through exim alias files and build list of users.
+sub list_virtusers
+{
+ opendir(DIR,$exim_virt_dir);
+ @files = sort(grep(/$config{'exim_aliasfileextre'}$/,readdir(DIR)));
+ closedir(DIR);
+
+ local $num = 1;
+
+ local (@virts);
+
+ $all_data = "";
+ foreach $file (@files) {
+ $file =~ /^(.*)$config{'exim_aliasfileextre'}/;
+ $domain = $1;
+ $file_line = 1;
+ open(FILE,"$exim_virt_dir/$file") || die("Could not find $file. $!");
+ while ( <FILE> )
+ {
+ if ( /^([^\*\#\s:]+):?\s+(.*)$/ )
+ {
+ $lhs = $1;
+ $rhs = $2;
+ if ( $rhs =~ /mailman/ )
+ {
+ #print $line;
+ }
+ else
+ {
+ if ( $rhs ne "dummyspamaccount" )
+ {
+ my $from = "$lhs\@$domain";
+ local @tos = split(/,/,$rhs);
+ local %rv = ( 'from' => $from,
+ 'cmt' => undef);
+
+ local %virt = ( 'number' => $num++,
+ 'value' => @tos,
+ 'file' => "$dir/$file",
+ 'name' => $from,
+ 'cmt' => undef,
+ 'eline' => $file_line,
+ 'map_file' => "$dir/$file",
+ 'line' => $file_line);
+
+ $rv{'virt'} = \%virt;
+ $rv{'to'} = \@tos;
+ push(@virts, \%rv);
+ }
+ }
+ }
+ $file_line++;
+ }
+ close(FILE);
+ }
+ return @virts;
+}
+
+# process_file(...)
+# Go through lines of a file and do various operations based on regexp
+# matching.
+sub process_file
+{
+ my(%args) = @_;
+
+ my $hitunless = 0;
+ my $inrange = 0;
+ my $endfound = 0;
+ my $operation = $args{'op'};
+ my $file = $args{'file'};
+ my $pattern = $args{'pat'};
+ my $cc = defined $args{'cc'} ? $args{'cc'} : "#";
+
+ my $opCount = 0;
+ if ( $operation eq "uncomment" )
+ {
+ $pattern = "^$cc.*" . $pattern;
+ }
+
+ my $tie_obj =
+ tie my @contents, 'Tie::File', $file || die "Couldn't open $file: $!. Exiting...\n";
+ $tie_obj->flock;
+
+ my $i=0;
+ my $skip = 0;
+ for ( @contents )
+ {
+ if ( $skip == 1 )
+ {
+ $skip = 0;
+ next;
+ }
+ if ( defined($args{'startrange'}) && defined($args{'endrange'}) && $_ =~ /$args{'startrange'}/ )
+ {
+ $inrange = 1;
+ }
+ if ( defined($args{'endrange'}) && $_ =~ /$args{'endrange'}/ )
+ {
+ $endfound = 1;
+ }
+ if ( defined($args{'unless'}) && $_ =~ /$args{'unless'}/ )
+ {
+ $hitunless = 1;
+ last;
+ }
+
+ if ( ( defined($pattern) && $_ =~ /$pattern/ ) || $inrange == 1 )
+ {
+ if ( $operation eq "comment" )
+ {
+ s/$_/$cc $&/;
+ $opCount++;
+ }
+ elsif ( $operation eq "uncomment" )
+ {
+ s/$cc\s?//;
+ $opCount++;
+ }
+ elsif ( $operation eq "delete" )
+ {
+ splice(@contents,$i,1);
+ $opCount++;
+ if ( $endfound == 1 )
+ {
+ $inrange = 0;
+ $endfound = 0;
+ }
+ redo if ( ( !defined($args{'onlyFirst'}) || $inrange == 1 ) && $#contents != -1 );
+ }
+ elsif ( $operation eq "insertBefore" )
+ {
+ splice(@contents,$i,0,$args{'text'});
+ $opCount++;
+ $skip++;
+ }
+ elsif ( $operation eq "replace" )
+ {
+ $_ = $args{'text'};
+ $opCount++;
+ }
+ if ( defined $args{'onlyFirst'} )
+ {
+ last;
+ }
+ }
+ if ( $endfound == 1 )
+ {
+ $inrange = 0;
+ $endfound = 0;
+ }
+ $i++;
+ }
+
+ if ( $operation eq "insertBefore" && $opCount == 0 && $hitunless == 0 )
+ {
+ push(@contents, $args{'text'});
+ }
+
+ untie @contents;
+}
+
+
+
+1;
+
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