package fs::remote::davfs; # $Id: smb.pm 231184 2007-10-24 14:36:29Z pixel $ use strict; use diagnostics; use common; use fs::mount_options; sub secrets_file { "$::prefix/etc/davfs2/secrets" } sub fstab_entry_to_credentials { my ($part) = @_; my ($options, $unknown) = fs::mount_options::unpack($part); $options->{'username='} && $options->{'password='} or return; my %h = map { $_ => delete $options->{"$_="} } qw(username password); $h{mntpoint} = $part->{mntpoint} or return; fs::mount_options::pack_($part, $options, $unknown), \%h; } sub save_credentials { my ($credentials) = @_; @$credentials or return; output_with_perm(secrets_file(), 0600, map { to_double_quoted($_->{mntpoint}, $_->{username}, $_->{password}, $_->{comment}) . "\n" } @$credentials); } sub mountpoint_credentials_save { my ($mntpoint, $mount_opt) = @_; my @entries = read_credentials_raw(); my $entry = find { $mntpoint eq $_->{mntpoint} } @entries; die "mountpoint not found" if !$entry; my %h; foreach (@$mount_opt) { my @var = split(/=/); $h{$var[0]} = $var[1]; } foreach my $key qw(username password) { $entry->{$key} = $h{$key}; } save_credentials(\@entries); } sub read_credentials_raw { from_double_quoted(cat_(secrets_file())); } sub read_credentials { my ($mntpoint) = @_; find { $mntpoint eq $_->{mntpoint} } read_credentials_raw(); } # Comments are indicated by a '#' character and the rest of the line # is ignored. Empty lines are ignored too. # # Each line consists of two or three items separated by spaces or tabs. # If an item contains one of the characters space, tab, #, \ or ", this # character must be escaped by a preceding \. Alternatively, the item # may be enclosed in double quotes. sub from_double_quoted { my ($file) = @_; my @l; my @lines = split("\n",$file); foreach (@lines){ my ($mnt, $user, $pass, $comment); if (/^\s*(#.*)?$/) { $comment = $1; } else { if(/^(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))(?:\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+)))?(?:\s*(#.*))?$/) { $mnt = "$1$2"; $mnt =~ s/\\(.)/$1/g; $user = "$3$4"; $user =~ s/\\(.)/$1/g; $pass = "$5$6"; $pass =~ s/\\(.)/$1/g; $comment=$7; } else { die "bad entry $_"; } } push @l, {'mntpoint'=>$mnt, 'username'=>$user, 'password'=>$pass, 'comment'=>$comment}; } @l; } sub to_double_quoted { my (@l) = @_; join(' ', map { s/(["\\])/\\$1/g; /\s/ ? qq("$_") : $_; } @l); } 1;