From: alberand <albershteyn.andrey@gmail.com>
Date: Wed, 24 Feb 2021 17:16:06 +0000 (+0100)
Subject: tftpd: Run with mapfile
X-Git-Tag: 20211022~6^2~11
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/novaboot.git/commitdiff_plain/542767610030a1398c0767c1a2f4c256510266b9

tftpd: Run with mapfile

This mapfile is needed as some pxeclient add zero byte \x00 to the end
of the filename. This is a known bug. The mapfile contains rule to
remove that byte.
---

diff --git a/novaboot b/novaboot
index 5e8ed54..d6a60ed 100755
--- a/novaboot
+++ b/novaboot
@@ -1151,9 +1151,15 @@ host server {
 
 if (defined $dhcp_tftp || defined $tftp) {
     $tftp_port ||= 69;
+    # Generate TFTP mapfile
+    open(my $fh, '>', "$builddir/mapfile");
+    print $fh "# Some PXE clients (mainly UEFI) have bug. They add zero byte to the end of the
+# path name. This rule removes it
+r     \\.efi.*   \\.efi";
+    close($fh);
     # Unfortunately, tftpd requires root privileges even with
     # non-privileged (>1023) port due to initgroups().
-    system_verbose("sudo in.tftpd --listen --secure -v -v -v --pidfile tftpd.pid  --address :$tftp_port $builddir");
+    system_verbose("sudo in.tftpd --listen --secure -v -v -v --pidfile tftpd.pid -m mapfile --address :$tftp_port $builddir");
 
     # Kill server when we die
     $SIG{__DIE__} = sub { system_verbose('sudo pkill --pidfile=dhcpd.pid') if (defined $dhcp_tftp);