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- (djm) Tidy and trim TODO
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Damien Miller
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0b8e9006d8
@ -15,6 +15,7 @@
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http://www.ietf.org/internet-drafts/draft-ietf-secsh-newmodes-00.txt
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ok djm@
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- (djm) Remove IPv4 by default hack now that we can specify AF in config
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- (djm) Tidy and trim TODO
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20030517
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- (bal) strcat -> strlcat on openbsd-compat/realpath.c (rev 1.8 OpenBSD)
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@ -1570,4 +1571,4 @@
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save auth method before monitor_reset_key_state(); bugzilla bug #284;
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ok provos@
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$Id: ChangeLog,v 1.2736 2003/05/18 10:53:59 djm Exp $
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$Id: ChangeLog,v 1.2737 2003/05/18 11:45:26 djm Exp $
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78
TODO
78
TODO
@ -1,4 +1,19 @@
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Documentation:
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- Update the docs
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- Update README
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- Update INSTALL
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- Merge INSTALL & README.privsep
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- Install FAQ?
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- General FAQ on S/Key, TIS, RSA, RSA2, DSA, etc and suggestions on when it
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would be best to use them.
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- Create a Documentation/ directory?
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Programming:
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- Grep for 'XXX' comments and fix
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- Link order is incorrect for some systems using Kerberos 4 and AFS. Result
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@ -21,8 +36,9 @@ Programming:
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and maybe support alternate forms of authentications like OPIE via
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pam?
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- Rework PAM ChallengeResponseAuthentication
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- Use kbdint request packet with 0 prompts for informational messages
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- Improve PAM ChallengeResponseAuthentication
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- Informational messages
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- chauthtok
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- Use different PAM service name for kbdint vs regular auth (suggest from
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Solar Designer)
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- Ability to select which ChallengeResponseAuthentications may be used
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@ -35,70 +51,17 @@ Programming:
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- Finish integrating kernel-level auditing code for IRIX and SOLARIS
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(Gilbert.r.loomis@saic.com)
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- sftp-server: Rework to step down to 32bit ints if the platform
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lacks 'long long' == 64bit (Notable SCO w/ SCO compiler)
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- Linux hangs for 20 seconds when you do "sleep 20&exit". All current
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solutions break scp or leaves processes hanging around after the ssh
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connection has ended. It seems to be linked to two things. One
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select() under Linux is not as nice as others, and two the children
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of the shell are not killed on exiting the shell.
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A short run-down of what happens:
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- The shell starts up, and starts its own session. As a side-effect, it
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gets its own process group.
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- The child forks off sleep, and because it's in the background, puts it
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into its own process group. The sleep command inherits a copy of the
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shell's descriptor for the tty as its stdout.
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- The shell exits, but doesn't SIGHUP all of its child PIDs like it probably
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should(?)
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- The sshd server attempts to read from the master side of the pty, and
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while there are still process with the pty open, no EOF is produced.
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- The sleep command exits, closes its descriptor, sshd detects the EOF, and
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the connection gets closed.
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Ways we've tried fixing this in sshd, and why they didn't work out:
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- SIGHUP the sshd's process group.
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- The shell is in its own process group.
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- Track process group IDs of all children before we reap them (via an extra
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field in Session structures which holds the pgid for each child pid), and
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SIGHUP the pgid when we reap.
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- Background commands are in yet another process group.
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- Close the connection when the child dies.
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- Background commands may need to write data to the connection. Also
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prematurely truncates output from some commands (scp server, the
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famous "dd if=/dev/zero bs=1000 count=100" case).
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Known workarounds:
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- bash: shopt huponexit on
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- tcsh: none
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- zsh: setopt HUP (usually the default setting)
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(taken from email from Jason Stone to openssh-unix-dev, 5 May 2001)
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- pdksh: ?
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This appears to affect NetKit rsh under Linux as well: it behaves the same
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with 'sleep 20 & exit'.
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- Build an automated test suite
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- 64-bit builds on HP-UX 11.X (stevesk@pobox.com):
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- utmp/wtmp get corrupted (something in loginrec?)
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- can't build with PAM (no 64-bit libpam yet)
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Documentation:
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- More and better
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- Install FAQ?
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- General FAQ on S/Key, TIS, RSA, RSA2, DSA, etc and suggestions on when it
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would be best to use them.
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- Create a Documentation/ directory?
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Clean up configure/makefiles:
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- Clean up configure.ac - There are a few double #defined variables
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left to do. HAVE_LOGIN is one of them. Consider NOT looking for
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information in wtmpx or utmpx or any of that stuff if it's not detected
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from the start
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- Fails to compile when cross compile.
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(vinschen@redhat.com)
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- Fails to compile when cross compile. (vinschen@redhat.com)
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- Replace the whole u_intXX_t evilness in acconfig.h with something better???
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- Do it in configure.ac
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@ -118,7 +81,6 @@ Packaging:
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- HP-UX: Provide DEPOT package scripts.
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(gilbert.r.loomis@saic.com)
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PrivSep Issues:
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- mmap() issues.
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+ /dev/zero solution (Solaris)
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@ -134,4 +96,4 @@ PrivSep Issues:
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- Cygwin
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+ Privsep for Pre-auth only (no fd passing)
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$Id: TODO,v 1.53 2003/01/12 23:00:34 djm Exp $
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$Id: TODO,v 1.54 2003/05/18 11:44:07 djm Exp $
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