1Patch originally from Fedora 2 3http://pkgs.fedoraproject.org/cgit/tftp.git/ 4 5Upstream-Status: Pending 6 7diff -up tftp-hpa-0.48/tftp-xinetd.tftpboot tftp-hpa-0.48/tftp-xinetd 8--- tftp-hpa-0.48/tftp-xinetd.tftpboot 2007-01-31 00:51:05.000000000 +0100 9+++ tftp-hpa-0.48/tftp-xinetd 2008-05-20 12:05:53.000000000 +0200 10@@ -10,7 +10,7 @@ service tftp 11 wait = yes 12 user = root 13 server = /usr/sbin/in.tftpd 14- server_args = -s /tftpboot 15+ server_args = -s /var/lib/tftpboot 16 disable = yes 17 per_source = 11 18 cps = 100 2 19diff -up tftp-hpa-0.48/README.security.tftpboot tftp-hpa-0.48/README.security 20--- tftp-hpa-0.48/README.security.tftpboot 2008-05-29 17:36:32.000000000 +0200 21+++ tftp-hpa-0.48/README.security 2008-05-29 17:37:21.000000000 +0200 22@@ -17,10 +17,10 @@ probably the following: 23 24 1. Create a separate "tftpd" user and group only used for tftpd; 25 2. Have all your boot files in a single directory tree (usually called 26- /tftpboot). 27-3. Specify "-p -u tftpd -s /tftpboot" on the tftpd command line; if 28+ /var/lib/tftpboot). 29+3. Specify "-p -u tftpd -s /var/lib/tftpboot" on the tftpd command line; if 30 you want clients to be able to create files use 31- "-p -c -U 002 -u tftpd -s /tftpboot" (replace 002 with whatever 32+ "-p -c -U 002 -u tftpd -s /var/lib/tftpboot" (replace 002 with whatever 33 umask is appropriate for your setup.) 34 35 ======================================= 36@@ -40,12 +40,12 @@ directly. Thus, if your /etc/inetd.conf 37 line): 38 39 tftp dgram udp wait root /usr/sbin/tcpd 40-/usr/sbin/in.tftpd -s /tftpboot -r blksize 41+/usr/sbin/in.tftpd -s /var/lib/tftpboot -r blksize 42 43 ... it's better to change to ... 44 45 tftp dgram udp wait root /usr/sbin/in.tftpd 46-in.tftpd -s /tftpboot -r blksize 47+in.tftpd -s /var/lib/tftpboot -r blksize 48 49 You should make sure that you are using "wait" option in tftpd; you 50 also need to have tftpd spawned as root in order for chroot (-s) to 51diff -up tftp-hpa-0.48/tftpd/sample.rules.tftpboot tftp-hpa-0.48/tftpd/sample.rules 52--- tftp-hpa-0.48/tftpd/sample.rules.tftpboot 2008-05-29 17:38:46.000000000 +0200 53+++ tftp-hpa-0.48/tftpd/sample.rules 2008-05-29 17:38:05.000000000 +0200 54@@ -30,5 +30,5 @@ rg \\ / # Convert backslashes to slash 55 rg \# @ # Convert hash marks to @ signs 56 rg /../ /..no../ # Convert /../ to /..no../ 57 e ^ok/ # These are always ok 58-r ^[^/] /tftpboot/\0 # Convert non-absolute files 59+r ^[^/] /var/lib/tftpboot/\0 # Convert non-absolute files 60 a \.pvt$ # Reject requests for private files 61