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added some taint checks for suid execution

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added conversion back to a plaintext mailing list
This commit is contained in:
lars 2006-04-14 15:37:27 +00:00
parent 1b537375ca
commit 99342d13fd
1 changed files with 49 additions and 7 deletions
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56
gpg-Ezmlm/trunk/Gpg.pm
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@ -94,12 +94,14 @@ sub new {
my($class, $list) = @_; my($class, $list) = @_;
my $self = {}; my $self = {};
bless $self, ref $class || $class || 'Mail::Ezmlm::Gpg'; bless $self, ref $class || $class || 'Mail::Ezmlm::Gpg';
$list =~ m/^([\w\._\/-]*)$/;
$list = $1;
$self->setlist($list) if(defined($list) && $list); $self->setlist($list) if(defined($list) && $list);
return $self; return $self;
} }
# == convert an existing list to gpg-ezmlm == # == convert an existing list to gpg-ezmlm ==
sub convert { sub convert_to_encrypted {
my($self) = @_; my($self) = @_;
my $list_dir = $self->{'LIST_NAME'}; my $list_dir = $self->{'LIST_NAME'};
@ -114,7 +116,7 @@ sub convert {
open DOT, "<$list_dir/dot"; open DOT, "<$list_dir/dot";
$dot_loc = <DOT>; $dot_loc = <DOT>;
close DOC; close DOC;
} else { } elsif (-r "$list_dir/config") {
open CONFIG, "<$list_dir/config"; open CONFIG, "<$list_dir/config";
my @lines = <CONFIG>; my @lines = <CONFIG>;
my $one_line; my $one_line;
@ -122,20 +124,60 @@ sub convert {
$dot_loc = $1 if( $one_line =~ m/^T:(.*)$/); $dot_loc = $1 if( $one_line =~ m/^T:(.*)$/);
} }
close CONFIG; close CONFIG;
} else {
$self->_seterror(-1, 'list configuration file not found: ' . $list_dir);
return 0;
} }
chomp($dot_loc); chomp($dot_loc);
$dot_loc =~ m/^([\w\._\/-]*)$/;
$dot_loc = $1;
($self->_seterror(-1, 'dotqmail files not found: ' . $dot_loc) && return 0) unless(($dot_loc ne '') && (-e $dot_loc)); ($self->_seterror(-1, 'dotqmail files not found: ' . $dot_loc) && return 0) unless(($dot_loc ne '') && (-e $dot_loc));
# fixes incompatibility of gpg-ezmlm with ezmlm-idx 5.0 system("$GPG_EZMLM_BASE/gpg-ezmlm-convert.pl", "--quiet", "--skip-keygen", $list_dir, $dot_loc) == 0
mkdir("$list_dir/text") unless (-d "$list_dir/text"); || ($self->_seterror($?) && return undef);
unless (-e "$list_dir/config") { $self->_seterror(undef);
open CONFIG, ">$list_dir/config"; return $self->setlist($list_dir);
}
# == convert an encrypted list back to plaintext ==
sub convert_to_plaintext {
my($self) = @_;
my $list_dir = $self->{'LIST_NAME'};
($self->_seterror(-1, 'must define directory in convert_to_plaintext()') && return 0) unless(defined($list_dir));
($self->_seterror(-1, 'directory does not exist: ' . $list_dir) && return 0) unless(-d $list_dir);
my $tlist = new Mail::Ezmlm::Gpg($list_dir);
($self->_seterror(-1, 'list is not encrypted: ' . $list_dir) && return 0) unless ($tlist->is_gpg());
# retrieve location of dotqmail-files
my $dot_loc;
if (-r "$list_dir/dot") {
open DOT, "<$list_dir/dot";
$dot_loc = <DOT>;
close DOC;
} elsif (-r "$list_dir/config.no-gpg") {
open CONFIG, "<$list_dir/config.no-gpg";
my @lines = <CONFIG>;
my $one_line;
foreach $one_line (@lines) {
$dot_loc = $1 if( $one_line =~ m/^T:(.*)$/);
}
close CONFIG; close CONFIG;
} else {
$self->_seterror(-1, 'list configuration file not found: ' . $list_dir);
return 0;
} }
chomp($dot_loc);
$dot_loc =~ m/^([\w\._\/-]*)$/;
$dot_loc = $1;
system("$GPG_EZMLM_BASE/gpg-ezmlm-convert.pl '$list_dir' '$dot_loc' >&2") == 0 ($self->_seterror(-1, 'dotqmail files not found: ' . $dot_loc) && return 0) unless(($dot_loc ne '') && (-e $dot_loc));
system("$GPG_EZMLM_BASE/gpg-ezmlm-convert.pl", "--quiet", "--revert", $list_dir, $dot_loc) == 0
|| ($self->_seterror($?) && return undef); || ($self->_seterror($?) && return undef);
$self->_seterror(undef); $self->_seterror(undef);