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generated by cgit v1.2.1 (git 2.21.0) at 2025-01-09 14:28:14 +0000
='n327' href='#n327'>327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 
package fs; # $Id$

use diagnostics;
use strict;

use common;
use log;
use devices;
use fs::type;
use fs::get;
use fs::format;
use fs::mount_options;
use fs::loopback;
use fs::mount;
use run_program;
use detect_devices;
use modules;
use fsedit;


sub read_fstab {
    my ($prefix, $file, @reading_options) = @_;

    if (member('keep_default', @reading_options)) {
	push @reading_options, 'freq_passno', 'keep_devfs_name', 'keep_device_LABEL';
    }

    my %comments;
    my $comment;
    my @l = grep {
	if (/^Filename\s*Type\s*Size/) {
	    0; #- when reading /proc/swaps
	} elsif (/^\s*#/) {
	    $comment .= chomp_($_) . "\n";
	    0;
	} else {
	    $comments{$_} = $comment if $comment;
	    $comment = '';
	    1;
	}
    } cat_("$prefix$file");

    #- attach comments at the end of fstab to the previous line
    $comments{$l[-1]} = $comment if $comment;

    map {
	my ($dev, $mntpoint, $fs_type, $options, $freq, $passno) = split;
	my $comment = $comments{$_};

	$options = 'defaults' if $options eq 'rw'; # clean-up for mtab read

	if ($fs_type eq 'supermount') {
	    # normalize this bloody supermount
	    $options = join(",", 'supermount', grep {
		if (/fs=(.*)/) {
		    $fs_type = $1;
		    0;
		} elsif (/dev=(.*)/) {
		    $dev = $1;
		    0;
		} elsif ($_ eq '--') {
		    0;
		} else {
		    1;
		}
	    } split(',', $options));
	} elsif ($fs_type eq 'smb') {
	    # prefering type "smbfs" over "smb"
	    $fs_type = 'smbfs';
	}
	s/\\040/ /g foreach $mntpoint, $dev, $options;

	my $h = { 
		 mntpoint => $mntpoint, fs_type => $fs_type,
		 options => $options, comment => $comment,
		 if_(member('keep_freq_passno', @reading_options), freq => $freq, passno => $passno),
		};

	put_in_hash($h, fs::wild_device::to_subpart($dev));

	if ($h->{device_LABEL} && member('keep_device_LABEL', @reading_options)) {
	    $h->{prefer_device_LABEL} = 1;
        } elsif ($h->{devfs_device} && member('keep_devfs_name', @reading_options)) {
	    $h->{prefer_devfs_name} = 1;
	}

	if ($h->{options} =~ /credentials=/ && !member('verbatim_credentials', @reading_options)) {
	    require network::smb;
	    #- remove credentials=file with username=foo,password=bar,domain=zoo
	    #- the other way is done in fstab_to_string
	    my ($options, $unknown) = fs::mount_options::unpack($h);
	    my $file = delete $options->{'credentials='};
	    my $credentials = network::smb::read_credentials_raw($file);
	    if ($credentials->{username}) {
		$options->{"$_="} = $credentials->{$_} foreach qw(username password domain);
		fs::mount_options::pack($h, $options, $unknown);
	    }
	}

	$h;
    } @l;
}

sub merge_fstabs {
    my ($loose, $fstab, @l) = @_;

    foreach my $p (@$fstab) {
	my ($l1, $l2) = partition { fs::get::is_same_hd($_, $p) } @l;
	my ($p2) = @$l1 or next;
	@l = @$l2;

	$p->{mntpoint} = $p2->{mntpoint} if delete $p->{unsafeMntpoint};

	if (!$loose) {
	    $p->{fs_type} = $p2->{fs_type} if $p2->{fs_type};
	    $p->{options} = $p2->{options} if $p2->{options};
	    add2hash($p, $p2);
	} else {
	    $p->{isMounted} ||= $p2->{isMounted};
	}
	$p->{device_alias} ||= $p2->{device_alias} || $p2->{device} if $p->{device} ne $p2->{device} && $p2->{device} !~ m|/|;

	$p->{fs_type} && $p2->{fs_type} && $p->{fs_type} ne $p2->{fs_type}
	  && $p->{fs_type} ne 'auto' && $p2->{fs_type} ne 'auto' and
	    log::l("err, fstab and partition table do not agree for $p->{device} type: $p->{fs_type} vs $p2->{fs_type}");
    }
    @l;
}

sub add2all_hds {
    my ($all_hds, @l) = @_;

    @l = merge_fstabs('', [ fs::get::really_all_fstab($all_hds) ], @l);

    foreach (@l) {
	my $s = 
	    $_->{fs_type} eq 'nfs' ? 'nfss' :
	    $_->{fs_type} eq 'smbfs' ? 'smbs' :
	    $_->{fs_type} eq 'davfs' ? 'davs' :
	    isTrueLocalFS($_) || isSwap($_) || isOtherAvailableFS($_) ? '' :
	    'special';
	push @{$all_hds->{$s}}, $_ if $s;
    }
}

sub get_major_minor {
    my ($fstab) = @_;
    foreach (@$fstab) {
	eval {
	    my (undef, $major, $minor) = devices::entry($_->{device});
	    ($_->{major}, $_->{minor}) = ($major, $minor);
	} if !$_->{major};
    }
}

sub merge_info_from_mtab {
    my ($fstab) = @_;

    my @l1 = map { my $l = $_; 
		   my $h = fs::type::fs_type2subpart('swap');