1 files changed, 99 insertions, 0 deletions
diff --git a/perl-install/fs/remote/davfs.pm b/perl-install/fs/remote/davfs.pm
new file mode 100644
index 000000000..890530cb9
--- /dev/null
+++ b/perl-install/fs/remote/davfs.pm
@@ -0,0 +1,99 @@
+package fs::remote::davfs;
+
+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);
+    my %h = map { $_ => delete $options->{"$_="} } qw(username password);
+    foreach (qw(username password)) {
+        $h{$_} ||= 'nobody';
+    }
+    $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}, $_->{password}) . "\n" } @$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 = $1;
+	} else {
+            if (/^(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+))(?:\s+(?:"((?:\\.|[^"])*)"|((?:\\.|[^"\s#])+)))?(?:\s*|\s*(#.*))?$/) {
+	            $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;