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freebsd/crypto/kerberosIV/NEWS
Assar Westerlund 5ad8ddfb6f import krb4-1.0.5
2000-12-29 21:00:22 +00:00

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Changes in release 1.0.5:
* Remember to update version string.
* Build fixes
* multiple local realm fix in krb_verify_user
Changes in release 1.0.4:
* Only allow a small list of environment variables in telnetd
* Fix one buffer overflow in libkrb
* Make su handle multiple local realms
* Build pic-ed archives (to be used with the pam module)
* do not handle environment variables, use krb.extra instead
* Disable KRBCONFDIR environment variable for root
* fix shared libraries building on solaris
Changes in release 1.0.3:
* Handle DoS attacks in the KDC and the admin server better.
* updated config.guess and config.sub
* better db/gdbm discovery
* bug fixes
Changes in release 1.0.2:
* Fix syslog(LOG_FOO, bug) calls in kauthd, kipd
* Fix bug with systems have a 64bit `time_t'
* Port to Solaris 8 (aka SunOS 5.8), HP-UX 11
* Add AIX fix for shared libraries
* Make afslog work with Arla
* Be more paranoid about setuid for the sake of Linux 2.2.15
* Make rshd afslog to the cell of the home directory
* Improved kip/kipd
* syslog with correct level in popper
* install libraries correctly in lib/sl
* more paranoia when overwriting and removing ticket files
Changes in release 1.0.1:
* Fix bug in ftpd when accepting connections
* Make `-d' in kauth not imply `-a'
* Adapt sia to new TKT_ROOT
* Define `sockaddr_storage' in a fashion that works on
alignment-restricted architectures
* Rewrite PAM module to work better.
* Make all files in libdes build with CFLAGS
Changes in release 1.0:
* A new configuration option `nat_in_use' in krb.extra to ease use
through Network Address Translators.
* Support configuration value of KEYFILE and TKT_ROOT in krb.extra
* Easier building on some platforms
* built-in ls in ftpd.
* Bug fixes.
Changes in release 0.10:
* Some support for Irix 6.5 capabilities
* Improved kadmin interface; you can get more info via kadmin.
* Some improved support for OSF C2.
* General bug-fixes and improvements, including a large number of
potential buffer overrun fixes. A large number of portability
improvements.
* Support for multiple local realms.
* Support batch kadmin operation.
* Heimdal support in push.
* Removed `--with-shared' configure option (use `--enable-shared'.)
* Now uses Autoconf 2.13.
Changes in release 0.9.9:
* New configuration file /etc/krb.extra
* New program `push' for popping mail.
* Add (still little tested) support for maildir spool files in popper.
* Added `delete' to ksrvutil.
* Support the strange X11 sockets used on HP-UX and some versions of
Solaris.
* Arla compatibility in libkafs.
* More compatibility with the Solaris version of libkrb.
* New configure option `--with-mips-abi'
* Support `/etc/securetty' in login.
* Bug fixes and improvements to the Win32 telnet.
* Add support for installing with DESTDIR
* SIA module with added support for password changing, and
reauthentication.
* Add better support for MIT `compile_et' and `mk_cmds', this should
make it easier to build things like `zephyr'.
* Bug fixes:
- Krb: fixed dangling references to flock in libkrb
- FTP: fixed `logwtmp' name conflict
- Telnet: fix a few literal IP-number bugs
- Telnet: hopefully fixed stair-stepping bug
- Kafs: don't store expired tokens in the kernel
- Kafs: fix broken installation of afslib.so in AIX
Changes in release 0.9.8:
* several bug fixes; some which deserve mentioning:
- fix non-working `kauth -h'
- the sia-module should work again
- don't leave tickets in popper
Changes in release 0.9.7:
* new configure option --disable-otp
* new configure option --with-afsws
* includes rxkad implementation
* ftp client is more careful with suspicious filenames (|, .., /)
* fixed setuid-vulnerability of rcp, rlogin, and rsh.
* removed use of tgetent from telnetd (thereby eliminating buffer-overflow)
* new commands in ftp and ftpd: kdestroy, krbtkfile, and afslog.
* implement HTTP transport in libkrb and KDC.
* win32 terminal program much improved. also implemented ticket
management program.
* introduce `-i' option to kerberos server for listening only on one
interface.
* updated otp applications and man pages.
* merged in libdes 4.01
* popper is more resilient to badly formatted mails.
* minor fixes for Cray support.
* fix popen bug i ftpd.
* lots of bug fixes and portability fixes.
* better compatibility with Heimdal.
Minor changes in release 0.9.6:
* utmp(x) works correctly on systems with utmpx.
* A security-related bug in ftpd fixed.
* Compiles on solaris 2.4, 2.6 and on WinNT/95 with cygwin32 beta18.
* New option `-w' to rxtelnet, rxterm.
Major changes in release 0.9.5:
* We made some changes to be compatible with the other kerberised ftp
implementations and this means that an old kerberised ftp client will
not be able to talk to a new ftp server. So try to upgrade your ftp
clients and servers at the same time. The reason for this change is
described in more detail below.
* The interpretation of /etc/ftpusers has changed slightly, see
ftpusers(5). These changes come from NetBSD.
* The function `des_quad_cksum', which is used by `krb_rd_safe', and
`krb_mk_safe', has never been compatible with MIT's DES
library. This has now been fixed.
This fix will however break some programs that used those functions,
for instance `ftp'. In this version `krb_rd_safe' is modified to
accept checksums of both the new and the old format; `krb_mk_safe'
will always emit checksums of the new type *unless* `krb_rd_safe'
has detected that the client is using the old checksum (this feature
may be removed in some future release).
If you have programs that use `krb_mk_safe' and `krb_rd_safe' you
should upgrade all clients before upgrading your servers. Client is
here defined as the program that first calls `krb_rd_safe'.
If you are using some protocol that talks to more than one client or
server in one session, the heuristics to detect which kind of
checksum to use might fail.
The problem with `des_quad_cksum' was just a byte-order problem, so
there are no security problems with using the old versions. Thanks
to Derrick J Brashear <shadow@DEMENTIA.ORG> for pointing in the
right general direction.
* Rewrote kx to work always open TCP connections in the same
direction. This was needed to make it work through NATs and is
generally a cleaner way of doing it. Also added `tenletxr'.
Unfortunately the new protocol is not compatible with the old one.
The new kx and kxd programs try to figure out if they are talking to
old versions.
* Quite a bit of new functionality in otp. Changed default hash
function to `md5'. Fixed implementation of SHA and added downcasing
of seed to conform with `draft-ietf-otp-01.txt'. All verification
examples in the draft now work.
* Fixed buffer overflows.
* Add history/line editing in kadmin and ftp.
* utmp/utmpx and wtmp/wtmpx might work better on strange machines.
* Bug fixes for `rsh -n' and `rcp -x'.
* reget now works in ftp and ftpd. Passive mode works. Other minor
bug fixes as well.
* New option `-g umask' to ftpd for specifying the umask for anonymous users.
* Fix for `-l' option in rxtelnet and rxterm.
* XOVER support in popper.
* Better support for building shared libraries.
* Better support for talking to the KDC over TCP. This could make it
easier to use brain-damaged firewalls.
* Support FreeBSD-style MD5 /etc/passwd.
* New option `-createuser' to afslog.
* Upgraded to work with socks5-v1.0r1.
* Almost compiles and works on OS/2 with EMX, and Win95/NT with gnu-win32.
* Merged in win32-telnet, see README-WIN32 for more details.
* Possibly fixed telnet bug on HP-UX 10.
* Updated man-pages.
* Support for NetBSD/OpenBSD manual page circus.
* Bug fixes.
Major changes in release 0.9.3:
* kx has been rewritten and is now a lot easier to use. Two new
scripts: rxtelnet and rxterm. It also works on machines such as
Cray where the X-libraries cannot talk unix sockets.
* experimental OTP (RFC1938). Included in login, ftpd, and popper.
* authentication modules: PAM for linux, SIA for OSF/1, and
afskauthlib for Irix.
* popper now has the UIDL command.
* ftpd can now tar and compress files and directories on the fly, also
added a find site command.
* updated documentation and man pages.
* Change kuserok so that it acts as if luser@LOCALREALM is always an
entry of .klogin, even when it's not possible to verify that there
is no such file or the file is unreadable.
* Support for SRV-records.
* Socks v5 support.
* rcp is AFS-aware.
* allow for other transport mechanisms than udp (useful for firewall
tormented souls); as a side effect the format of krb.conf had to
become more flexible
* sample programs included.
* work arounds for Linux networking bugs in rlogind and rlogin.
* more portable
* quite a number of improvments/bugfixes
* New platforms: HP-UX 10, Irix 6.2
Major changes in release 0.9.2a:
* fix annoying bug with kauth (et al) returning incorrect error
Major changes in release 0.9.2:
* service `kerberos-iv' and port 750 has been registered with IANA.
* Bugfixes.
- Compiles with gcc on AIX.
- Compiles with really old resolvers.
- ftp works with afs string-to-key.
- shared libraries should work on Linux/ELF.
- some potential buffer overruns.
- general code clean-up.
* Better Cray/UNICOS support.
* New platforms: AIX 4.2, IRIX 6.1, and Linux 2.0
Major changes in release 0.9.1:
* Mostly bugfixes.
- No hardcoded references to /usr/athena
- Better Linux support with rlogin
- Fix for broken handling of NULL password in kadmind (such as with
`ksrvutil change')
- AFS-aware programs should work on AIX systems without AFS
* New platforms: Digital UNIX 4.0 and Fujitsu UXP/V
* New mechanism to determine realm from hostname based on DNS. To find
the realm of a.b.c.d it tries to find krb4-realm.a.b.c.d and then
krb4-realm.b.c.d and so on. The entry in DNS should be a TXT record
with the realm name.
krb4-realm.pdc.kth.se. 7200 TXT "NADA.KTH.SE"
Major changes in release 0.9:
* Tested platforms:
Dec Alpha OSF/1 3.2 with cc -std1
HP 9000/735 HP/UX 9.05 with gcc
DEC Pmax Ultrix 4.4 with gcc (cc does not work)
IBM RS/6000 AIX 4.1 with xlc (gcc works, cc does not)
SGI IRIX 5.3 with cc
Sun SunOS 4.1.4 with gcc (cc is not ANSI and does not work)
Sun SunOS 5.5 with gcc
Intel i386 NetBSD 1.2 with gcc
Intel i386 Linux 1.3.95 with gcc
Cray J90 Unicos 9 with cc
* Mostly ported to Crays running Unicos 9.
* S/Key-support in ftpd.
* Delete operation supported in kerberos database.
* Cleaner and more portable code.
* Even less bugs than before.
* kpopper now supports the old pop3 protocol and has been renamed to popper.
* rsh can be renamed remsh.
* Experimental program for forwarding IP over a kerberos tunnel.
* Updated to libdes 3.23.
Major changes in release 0.8:
* New programs: ftp & ftpd.
* New programs: kx & kxd. These programs forward X connections over
kerberos-encrypted connections.
* Incorporated version 3.21 of libdes.
* login: No double utmp-entries on Solaris.
* kafs
* Better guessing of what realm a cell belongs to.
* Support for authenticating to several cells. Reads
/usr/vice/etc/TheseCells, if present.
* ksrvutil: Support for generating AFS keys.
* login, su, rshd, rlogind: tries to counter possible NIS-attack.
* xnlock: several bug fixes and support for more than one screen.
* Default port number for ekshell changed from 2106 to 545. kauth
port changed from 4711 to 2120.
* Rumored to work on Fujitsu UXP/V and Cray UNICOS.
Major changes in release 0.7:
* New experimental masterkey generation. Enable with
--enable-random-mkey. Also the default place for the master key has
moved from /.k to /var/kerberos/master-key. This is customizable
with --with-mkey=file. If you don't want you master key to be on the
same backup medium as your database, remember to use this flag. All
relevant programs still checks for /.k.
* `-t' option to kadmin.
* Kpopper uses kuserok to verify if user is allowed to pop mail.
* Kpopper tries to locate the mail spool directory: /var/mail or
/var/spool/mail.
* kauth has ability to get ticket on a remove host with the `-h' option.
* afslog (aklog clone) and pagsh included.
* New format for /etc/krb.equiv.
* Better multi-homed hosts support in kauth, rcp, rlogin, rlogind,
rshd, telnet, telnetd.
* rlogind works on ultrix and aix 3.2.
* lots of bug fixes.
Major changes in release 0.6:
* Tested platforms:
DEC/Alpha OSF3.2
HP700 HPux 9.x
Dec/Pmax Ultrix 4.4 (rlogind not working)
IBM RS/6000 AIX 3.2 (rlogind not working)
IBM RS/6000 AIX 4.1
SGI Irix 5.3
Sun Sunos 4.1.x
Sun Sunos 5.4
386 BSD/OS 2.0.1
386 NetBSD 1.1
386 Linux 1.2.13
It is rumored to work to some extent on NextStep 3.3.
* ksrvutil get to create new keys and put them in the database at the
same time.
* Support for S/Key in login.
* kstring2key: new program to show string to key conversion.
* Kerberos server should now listen on all available network
interfaces and on both port 88 and 750.
* Timeout in kpopper.
* Support password quality checks in kadmind. Use --with-crack-lib to
link kadmind with cracklib. The patches in cracklib.patch are needed.
* Movemail from emacs 19.30.
* Logging format uses four digits for years.
* Fallback if port numbers are not listed in /etc/services.
* Relesed version 0.5
* lib/des/read_pwd.c: Redifine TIOCGETP and TIOCSETP so that the
same code is used both for posix termios and others.
* rsh, rlogin: Add environment variable RSTAR_NO_WARN which when
set to "yes" make warnings about "rlogin: warning, using standard
rlogin: remote host doesn't support Kerberos." go away.
* admin/kdb_util.c (load_db) lib/kdb/krb_dbm.c (kerb_db_update):
Optimized so that it can handle large databases, previously a
10000 entry DB would take *many* minutes, this can now be done in
under a minute.
* Changes in server/kerberos.c, kadmin/*.c slave/*.c to support 64
bit machines. Source should now be free of 64 bit assumptions.
* admin/copykey.c (copy_from_key): New functions for copying to
and from keys. Neccessary to solve som problems with longs on 64
bit machines in kdb_init, kdb_edit, kdb_util and ext_srvtab.
* lib/kdb/krb_kdb_utils.c (kdb_verify_master_key): More problems
with longs on 64 bit machines.
* appl/bsd/login.c (main): Lots of stuff to support Psoriasis
login. Courtesy of gertz@lysator.liu.se.
* configure.in, all Makefile.in's: Support for Linux shared
libraries. Courtesy of svedja@lysator.liu.se.
* lib/krb/cr_err_reply.c server/kerberos.c: Moved int req_act_vno
= KRB_PROT_VERSION; from server kode to libkrb where it really
belongs.
* appl/bsd/forkpty.c (forkpty): New function that allocates master
and slave ptys in a portable way. Used by rlogind.
* appl/telnet/telnetd/sys_term.c (start_login): Under SunOS5 the
same utmpx slot got used by sevral sessions. Courtesy of
gertz@lysator.liu.se.
* util/{ss, et}/Makefile.in (LEX): Use flex or lex. Courtesy of
svedja@lysator.liu.se.
* Fix the above Makefiles to work around bugs in Solaris and OSF/1
make rules that was triggered by VPATH functionality in the yacc
and lex rules.
* appl/kpopper/pop_log.c (pop_log) appl/kpopper/pop_msg.c (pop_msg):
Use stdarg instead of varargs. The code is still broken though,
you'll realize that on a machine with 64 bit pointers and 32 bit
int:s and no vsprintf, let's hope there will be no such beasts ;-).
* appl/telnet/telnetd/sys_term.c (getptyslave): Not all systems
have (or need) modules ttcompat and pckt so don't flag it as a
fatal error if they don't exist.
* kadmin/admin_server.c (kadm_listen) kadmind/kadm_ser_wrap.c
(kadm_listen): Add kludge for kadmind running on a multihomed
server. #ifdef:ed under MULTIHOMED_KADMIN. Change in acconfig.h
if you need this feature.
* appl/Makefile.in (SUBDIRS): Add applications movemail kpopper
and xnlock.
* appl/bsd/rlogin.c (main): New rlogind.c, forkpty() is not
implemented yet though.
* appl/xnlock/Makefile.in: Some stubs for X11 programs in
configure.in as well as a kerberized version of xnlock.
* appl/bsd/{rlogin.c, rsh.c, rcp.c}: Add code to support fallback
port numbers if they can not be found using getservbyname.
* appl/bsd/klogin.c (klogin): Use differnet ticket files for each
login so that a malicous user won't be able to destroy our tickets
with a failed login attempt.
* lib/kafs/afssys.c (k_afsklog): First we try afs.cell@REALM, if
there is no such thing try afs@CELL instead. There is now two
arguments to k_afslog(char *cell, char *realm).
* kadmin/admin_server.c (kadm_listen): If we are multihomed we
need to figure out which local address that is used this time
since it is used in "direction" comparison.
* kadmin/kadm_ser_wrap.c (kadm_ser_init): Fallback to use default
port number.
* lib/krb/send_to_kdc.c (send_to_kdc): Default port number
(KRB_PORT) was not in network byte order.
* lib/krb/send_to_kdc.c (send_recv): Linux clears timeout struct
when selecting.
* appl/bsd/rcp.c, appl/bsd/rlogin.c, appl/bsd/rsh.c:
Now does fallback if there isn't any entries in /etc/services for
klogin/kshell. This also made the code a bit more pretty.
* appl/bsd/login.c: Added support for lots of more struct utmp fields.
If there is no ttyslot() use setutent and friends.
* appl/bsd/Makefile.in, appl/bsd/rlogind.c, appl/bsd/rshd.c:
Added extern iruserok().
* appl/bsd/iruserok.c: Initial revision
* appl/bsd/bsd_locl.h: Must include sys/filio.h on Psoriasis.
* appl/bsd/Makefile.in: New install
* appl/bsd/pathnames.h: Fix default path, rsh and rlogin.
* appl/bsd/rshd.c: Extend default PATH with bindir to find rcp.
* appl/bsd/login.c (login): If there is no ttyslot use setutent
and friends. Added support for lots of more struct utmp fields.
* server/kerberos.c (main) lib/kafs/afssys.c appl/bsd/bsd_locl.h:
Must include sys/filio.h on Psoriasis to find _IOW and FIO* macros.
* appl/bsd/rlogind.c (doit): Use _PATH_DEFPATH rather than
_PATH_DEF.
* appl/bsd/login.c, su.c (main): Use fallback to bourne shell if
running as root.
* appl/bsd/su.c (main): Update usage message to reflect that '-'
option must come after the ordinary options and before login-id.
* appl/telnet/telnetd/telnetd.c (doit): If remote host name is to
long to fit into utmp try to remove domain part if it does match
our local domain.
(main): Add new option -L /bin/login so that it is possible to
specify an alternate login program.
* appl/telnet/telnet/commands.c (env_init): When exporting
variable DISPLAY and if hostname is not the full name, try to get
the full name from DNS.
* appl/telnet/telnet/main.c (main): Option -k realm was broken due
to a bogous external declaration.
* kadmin/kadmin.c (add_new_key): Kadmin now properly sets
lifetime, expiration date and attributes in add_new_key command.
* appl/bsd/su.c (main): Don't handle '-' option with getopt.
* appl/telnet/telnet/externs.h: Removed protection for multiple
inclusions of termio(s).h since it broke definition of termio
macro on POSIX systems.
* lib/krb/lifetime.c (krb_life_to_time): If you want to disable
AFS compatible long lifetimes set krb_no_long_lifetimes = 1.
Please note that the long lifetimes are 100% compatible up to
10h so this should rarely be necessary.
* lib/krb/krb_equiv.c (krb_equiv): If you don't want to use
ipaddress protection of tickets set krb_ignore_ip_address. This
makes it possible for an intruder to steal a ticket and then use
it from som other machine anywhere on the net.
* kadmin/kadm_ser_wrap.c (kadm_ser_init): Don't bind to only one
local address. Accept request on all interfaces.
* admin/kdb_edit.c (change_principal): Don't accept illegal
dates. Courtesy of gertz@lysator.liu.se.
* configure.in: AIX specific libraries needed when using standard
libc routine getttyent, IBM should be ashamed!
* lib/krb/recvauth.c (krb_recvauth): Long that should be int32_t
problem.
* Added strdup for su and rlogin.
* Fix for old syslog macros in appl/bsd/bsd_locl.
* lib/kdb/krb_dbm.c (kerb_db_rename) admin/kdb_destroy.c: New
ifdef HAVE_NEW_DB for new databases residing in one file only.
* appl/bsd/rlogin.c (oob): Add workaround for Linux.
* appl/bsd/getpass.c: New routine that reads up to 127 char
passwords. Used in su.c and login.c.
* appl/telnet/telnetd/sys_term.c (login_tty): Ioctl TIOCSCTTY
should not be used on HP-UX.
==========================*** Released 0.2? ***=============================
ksrvutil
If there is a dot in the about to be added principals name there is
no need to ask for instance name.
kerberos & kadmind
Logfiles are created with small permissions (600).
krb.conf and krb.realms
Use domain part as realm name if there is no match in krb.realms.
Use kerberos.REALMNAME if there is no match in krb.realms.
rlogin
The rlogin client is supported both with and without encryption,
there is no rlogind yet though.
login
There is login program that supports the -f option. Both kerberos
and /etc/passwd authentication is enabled.
Vendors login programs typically have no -f option (needed by
telnetd) and also does not know how to verify passwords againts
kerberos.
appl/bsd/*
Now uses POSIX signals.
kdb_edit, kadmin
Generate random passwords if administrator enters empty password.
lib/kafs
New library to support AFS. Routines:
int k_hasafs(void);
int k_afsklog(...); or some other name
int k_setpag(void);
int k_unlog(void);
int k_pioctl(char *, int, struct ViceIoctl *, int);
Library supports more than one single entry point AFS syscalls
(needed be HP/UX and OSF/1 when running DFS). Doesn't rely on
transarc headers or library code. Same binaries can be used both on
machines running AFS and others.
This library is used in telnetd, login and the r* programs.
telnet & telnetd
Based on telnet.95.05.31.NE but with the encryption hacks from
ftp.funet.fi:/pub/unix/security/esrasrc-1.0 added. This encryption
stuff needed some more modifications (done by joda@nada.kth.se)
before it was usable. Telnet has also been modified to use GNU
autoconf.
Numerous other changes that are long since forgotten.
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