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webmin/fetchmail/fetchmail-lib.pl
Jamie Cameron ea00ff92a2 Work on UI cleanup
2024-03-13 21:57:23 -07:00

328 lines
8.5 KiB
Perl
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# fetchmail-lib.pl
# Functions for parsing fetchmail config files
BEGIN { push(@INC, ".."); };
use WebminCore;
&init_config();
%access = &get_module_acl();
if ($module_info{'usermin'}) {
if ($no_switch_user) {
@remote_user_info = getpwnam($remote_user);
}
else {
&switch_to_remote_user();
&create_user_config_dirs();
}
$cron_cmd = "$user_module_config_directory/check.pl";
$cron_user = $remote_user;
$fetchmail_config = "$remote_user_info[7]/.fetchmailrc";
$can_cron = $config{'can_cron'};
$can_daemon = $config{'can_daemon'};
}
else {
$cron_cmd = "$module_config_directory/check.pl";
$cron_user = "root";
$fetchmail_config = $config{'config_file'};
$can_cron = $access{'cron'};
$can_daemon = $access{'daemon'};
}
# parse_config_file(file, [&global])
# Parses a fetchmail config file into a list of hashes, each representing
# one mail server to poll
sub parse_config_file
{
local $lnum = 0;
local ($line, @rv, @toks);
# Tokenize the file
open(FILE, "<".$_[0]);
while($line = <FILE>) {
$line =~ s/\r|\n//g;
$line =~ s/^\s*#.*$//;
while($line =~ /^[\s:;,]*"([^"]*)"(.*)$/ ||
$line =~ /^[\s:;,]*'([^"]*)'(.*)$/ ||
$line =~ /^[\s:;,]*([^\s:;,]+)(.*)$/) {
push(@toks, [ $1, $lnum ]);
$line = $2;
}
$lnum++;
}
close(FILE);
# Split into poll sections
@toks = grep { $_->[0] !~ /^(and|with|has|wants|options|here)$/i } @toks;
local ($poll, $user, $i);
for($i=0; $i<@toks; $i++) {
local $t = $toks[$i];
# Server options
if ($t->[0] eq 'poll' || $t->[0] eq 'server' ||
$t->[0] eq 'skip' || $t->[0] eq 'defaults') {
# Start of a new poll
$poll = { 'line' => $t->[1],
'file' => $_[0],
'index' => scalar(@rv),
'skip' => ($t->[0] eq 'skip'),
'defaults' => ($t->[0] eq 'defaults') };
$poll->{'poll'} = $toks[++$i]->[0] if (!$poll->{'defaults'});
undef($user);
push(@rv, $poll);
}
elsif ($t->[0] eq 'proto' || $t->[0] eq 'protocol') {
$poll->{'proto'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'via') {
$poll->{'via'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'port') {
$poll->{'port'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'timeout') {
$poll->{'timeout'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'interface') {
$poll->{'interface'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'monitor') {
$poll->{'monitor'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'auth' || $t->[0] eq 'authenticate') {
$poll->{'auth'} = $toks[++$i]->[0];
}
# User options
elsif ($t->[0] eq 'user' || $t->[0] eq 'username') {
$user = { 'user' => $toks[++$i]->[0] };
push(@{$poll->{'users'}}, $user);
}
elsif ($t->[0] eq 'pass' || $t->[0] eq 'password') {
$user->{'pass'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'is' || $t->[0] eq 'to') {
$i++;
while($i < @toks &&
$toks[$i]->[1] == $t->[1]) {
push(@{$user->{'is'}}, $toks[$i]->[0]);
$i++;
}
$i--;
}
elsif ($t->[0] eq 'folder') {
$user->{'folder'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'keep') { $user->{'keep'} = 1; }
elsif ($t->[0] eq 'nokeep') { $user->{'keep'} = 0; }
elsif ($t->[0] eq 'no' && $toks[$i+1]->[0] eq 'keep') {
$user->{'keep'} = 0;
$i++;
}
elsif ($t->[0] eq 'fetchall') { $user->{'fetchall'} = 1; }
elsif ($t->[0] eq 'nofetchall') { $user->{'fetchall'} = 0; }
elsif ($t->[0] eq 'no' && $toks[$i+1]->[0] eq 'fetchall') {
$user->{'fetchall'} = 0;
$i++;
}
elsif ($t->[0] eq 'ssl') { $user->{'ssl'} = 1; }
elsif ($t->[0] eq 'nossl') { $user->{'ssl'} = 0; }
elsif ($t->[0] eq 'no' && $toks[$i+1]->[0] eq 'ssl') {
$user->{'ssl'} = 0;
$i++;
}
elsif ($t->[0] eq 'preconnect') {
$user->{'preconnect'} = $toks[++$i]->[0];
}
elsif ($t->[0] eq 'postconnect') {
$user->{'postconnect'} = $toks[++$i]->[0];
}
else {
# Found an unknown option!
if ($user) {
push(@{$user->{'unknown'}}, $t->[0]);
}
elsif ($poll) {
push(@{$poll->{'unknown'}}, $t->[0]);
}
}
if ($poll) {
if ($i<@toks) {
$poll->{'eline'} = $toks[$i]->[1];
}
else {
$poll->{'eline'} = $toks[$#toks]->[1];
}
}
}
return @rv;
}
# create_poll(&poll, file)
# Add a new poll section to a fetchmail config file
sub create_poll
{
local $lref = &read_file_lines($_[1]);
if ($_[0]->{'defaults'}) {
# Put a new defaults section at the top
splice(@$lref, 0, 0, &poll_lines($_[0]));
}
else {
push(@$lref, &poll_lines($_[0]));
}
&flush_file_lines();
}
# delete_poll(&poll, file)
# Delete a poll section from a fetchmail config file
sub delete_poll
{
local $lref = &read_file_lines($_[1]);
splice(@$lref, $_[0]->{'line'}, $_[0]->{'eline'} - $_[0]->{'line'} + 1);
&flush_file_lines();
}
# modify_poll(&poll, file)
# Modify a poll section in a fetchmail config file
sub modify_poll
{
local $lref = &read_file_lines($_[1]);
splice(@$lref, $_[0]->{'line'}, $_[0]->{'eline'} - $_[0]->{'line'} + 1,
&poll_lines($_[0]));
&flush_file_lines();
}
sub poll_lines
{
local @rv;
local $name = $_[0]->{'poll'};
$name = "\"$name\"" if ($name =~ /[\s:;,]/);
if ($_[0]->{'skip'}) {
push(@rv, "skip $name");
}
elsif ($_[0]->{'defaults'}) {
push(@rv, "defaults $name");
}
else {
push(@rv, "poll $name");
}
push(@rv, "\tproto $_[0]->{'proto'}") if ($_[0]->{'proto'});
push(@rv, "\tauth $_[0]->{'auth'}") if ($_[0]->{'auth'});
push(@rv, "\tvia $_[0]->{'via'}") if ($_[0]->{'via'});
push(@rv, "\tport $_[0]->{'port'}") if ($_[0]->{'port'});
push(@rv, "\ttimeout $_[0]->{'timeout'}") if ($_[0]->{'timeout'});
push(@rv, "\tinterface \"$_[0]->{'interface'}\"") if ($_[0]->{'interface'});
push(@rv, "\tmonitor $_[0]->{'monitor'}") if ($_[0]->{'monitor'});
push(@rv, "\t".join(" ", map { /^\S+$/ ? $_ : "\"$_\"" }
@{$_[0]->{'unknown'}})) if (@{$_[0]->{'unknown'}});
foreach $u (@{$_[0]->{'users'}}) {
push(@rv, "\tuser \"$u->{'user'}\"");
push(@rv, "\tpass \"$u->{'pass'}\"") if ($u->{'pass'});
push(@rv, "\tis ".join(" ", @{$u->{'is'}})) if (@{$u->{'is'}});
push(@rv, "\tfolder $u->{'folder'}") if ($u->{'folder'});
push(@rv, "\tkeep") if ($u->{'keep'} eq '1');
push(@rv, "\tnokeep") if ($u->{'keep'} eq '0');
push(@rv, "\tfetchall") if ($u->{'fetchall'} eq '1');
push(@rv, "\tno fetchall") if ($u->{'fetchall'} eq '0');
push(@rv, "\tssl") if ($u->{'ssl'} eq '1');
push(@rv, "\tno ssl") if ($u->{'ssl'} eq '0');
push(@rv, "\tpreconnect \"$u->{'preconnect'}\"")
if ($u->{'preconnect'});
push(@rv, "\tpostconnect \"$u->{'postconnect'}\"")
if ($u->{'postconnect'});
push(@rv, "\t".join(" ", map { /^\S+$/ ? $_ : "\"$_\"" }
@{$u->{'unknown'}})) if (@{$u->{'unknown'}});
}
return @rv;
}
# can_edit_user(user)
sub can_edit_user
{
local %umap;
map { $umap{$_}++; } split(/\s+/, $access{'users'});
if ($access{'mode'} == 1 && !$umap{$_[0]} ||
$access{'mode'} == 2 && $umap{$_[0]}) { return 0; }
elsif ($access{'mode'} == 3) {
return $remote_user eq $_[0];
}
else {
return 1;
}
}
# get_fetchmail_version([&out])
sub get_fetchmail_version
{
local $out = &backquote_command("$config{'fetchmail_path'} -V 2>&1 </dev/null");
${$_[0]} = $out if ($_[0]);
return $out =~ /fetchmail\s+release\s+(\S+)/ ? $1 : undef;
}
# show_polls(&polls, file, user)
sub show_polls
{
my ($polls, $file, $user) = @_;
my $params = "file=".&urlize($file)."&user=".&urlize($user);
my $rv = "";
if (@$polls) {
$rv .= &ui_columns_start([ $text{'index_poll'},
$text{'index_active'},
$text{'index_proto'},
$text{'index_users'} ], 100);
foreach my $p (@$polls) {
my @cols;
push(@cols, &ui_link("edit_poll.cgi?".$params.
"&idx=$p->{'index'}",
&html_escape($p->{'poll'})));
push(@cols, $p->{'skip'} ?
"<font color=#ff0000>$text{'no'}</font>" : $text{'yes'});
push(@cols, $p->{'proto'} ? &html_escape(uc($p->{'proto'}))
: $text{'default'});
my $ulist = "";
foreach my $u (@{$p->{'users'}}) {
$ulist .= sprintf "%s -> %s<br>\n",
&html_escape($u->{'user'}),
&html_escape(@{$u->{'is'}} ?
join(" ", @{$u->{'is'}}) : $_[2]);
}
push(@cols, $ulist);
$rv .= &ui_columns_row(\@cols);
}
$rv .= &ui_columns_end();
}
my @links = (
&ui_link("edit_poll.cgi?new=1&".$params, $text{'index_add'}),
&ui_link("edit_global.cgi?".$params, $text{'index_global'})
);
if (@$polls) {
push(@links, &ui_link("check.cgi?".$params, $text{'index_run'}));
}
$rv .= &ui_links_row(\@links);
return $rv;
}
# is_fetchmail_running()
# Returns the PID if fetchmail is running
sub is_fetchmail_running
{
my @uinfo = getpwnam($config{'daemon_user'});
foreach my $pf ($config{'pid_file'},
"$uinfo[7]/.fetchmail.pid",
"$uinfo[7]/.fetchmail") {
if (open(PID, "<$pf") && ($line=<PID>) &&
(($pid,$interval) = split(/\s+/, $line)) && $pid &&
kill(0, $pid)) {
return $pid;
}
}
return undef;
}
1;
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