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37 Commits

Author SHA1 Message Date
sheldonh
81cc5956d9 Don't use non-signal-safe functions (exit(3) in this case) in 
signal handlers.  In this case, use _exit(2) instead, following
the call to shutdown(2).

This fixes rare telnetd hangs.

PR:		misc/33672
Submitted by:	Umesh Krishnaswamy <umesh@juniper.net>
MFC after:	1 month
 2002-02-05 15:20:02 +00:00
markm
2149facaa0 Merge from master (crypto) telnet. WARNS fixes for alpha. 2001-12-03 12:41:19 +00:00
markm
9d10280c0b Merge the (in)complete ANSIfication work from src/crypto/telnet. 2001-11-30 22:37:28 +00:00
markm
b72e252a01 After running a "make unifdef", commit the resultant diffs. 
This code is now a complete sunset of the crypto (master) code.
 2001-11-30 22:03:20 +00:00
markm
5987cca2b8 Manually unifdef(1) CRAY, UNICOS, hpux and sun uselsess code. 2001-08-29 14:16:17 +00:00
markm
162b7bf01c Feature merging and diff reduction between this code and crypto telnet. 
Also remove conditional (AUTHENTICATION) code as we have never compiled
it here, and it is doubtful that it even works in this scenario.
 2001-08-20 12:12:27 +00:00
brian
8636b161b3 Fix the type of the NULL arg to execl() 
Idea from: Theo de Raadt <deraadt@openbsd.org>
 2001-07-09 09:24:06 +00:00
ghelmer
d6ce76b54b Fix the number of bytes allocated by realloc when more space is needed 
for the vector of arguments.

MFC after:	1 week
 2001-06-07 20:05:18 +00:00
asmodai
5cf198e77a Synch: Properly constify sccsid[]. 
Replace bcopy() with memmove().
 2001-02-07 22:25:56 +00:00
assar
b022d1d27e (scrub_env): change to only accept a listed set of variables, 
including only non-filename contents for TERMCAP
 2000-12-10 20:50:20 +00:00
obrien
c2ee1dcc02 Add `_PATH_DEVZERO'. 
Use _PATH_* where where possible.
 2000-12-09 09:35:55 +00:00
kris
b9600b6040 Don't use sizeof() on a pointer when we really wanted to measure 
the length of the array.

Noticed by:	Christos Zoulas <christos@ZOULAS.COM>
Obtained from:	OpenBSD
 2000-11-19 10:01:27 +00:00
kris
d710bffe20 Filter out some more magic environment variables used by libraries linked 
with telnetd. This should really be done with a positive filter - i.e.
only allow through a configured list of variables.

Also do some buffer-safety cleanups while I'm here - I don't think these
are exploitable.
 2000-10-31 05:29:54 +00:00
peter
76f0c923fe $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
jkh
f0f8bd1b55 Back out previous commit - it's not necessary now that tty.h properly includes 
the queue macros.
 1999-08-09 07:51:03 +00:00
green
518ce45aad Add a missing include (sys/queue.h for sys/tty.h SLIST usage.) 1999-08-09 02:19:38 +00:00
brian
c6c6c7de65 Ensure that things returned by gethostname() and 
friends are terminated and allow for a maximum
host name length of MAXHOSTNAMELEN - 1.
Put parenthesis around sizeof args.
Make some variables static.
Fix telnetd -u (broken by my last commit)

Prompted by: bde
 1999-04-07 08:27:45 +00:00
jb
c7a5604130 Remove a bogus prototype for time() and let time.h do that. 
Change pointer casts from int to long. The code that looks to index -1
of argv is still broken on alpha.
 1998-05-14 10:07:29 +00:00
imp
ed2ffa32c0 sprintf->snprintf paranoia. The one thing that looks like a hole in 
the diff is in an ifdef that isn't enabled for FreeBSD.
Obtained from:	OpenBSD(?)
 1997-12-24 19:21:09 +00:00
charnier
4fb0a742b1 Use err(3). Remove progname and trailing \n in syslog strings. 1997-12-03 07:16:08 +00:00
peter
090fb430f1 Revert $FreeBSD$ to $Id$ 1997-02-22 14:22:49 +00:00
jkh
808a36ef65 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
 1997-01-14 07:20:47 +00:00
pst
bc821ff357 Some buffer overrun fixes and removed check for username starting with "-" 
(replacied it with a getopt stopper (--) instead, which is more correct).

Obtained from: OpenBSD
 1997-01-07 19:00:52 +00:00
wosch
361a15b8f4 add forgotten $Id$ 1996-09-22 21:56:57 +00:00
peter
027cdb6a44 Add a ``-P altlogin'' option which allows the sysadmin to specify an 
alternate login(1) type program to run.
 1996-08-13 07:51:45 +00:00
ache
5741c80058 Remove LD_NOSTD_PATH unsetenv, isn't exist anymore 1995-10-24 06:50:45 +00:00
ache
ad266c215d Fix original patch error with ! before strncmp 
Zap only needed LD_* variables
 1995-10-20 22:17:35 +00:00
ache
3972a13475 Don't allow LD_* env. variables to be tricked 
Submitted by: Sam Hartman <hartmans@mit.edu>
 1995-10-20 17:26:40 +00:00
pst
14ad5aa657 Move erase cleanup outside linemode conditional 1995-09-06 02:03:36 +00:00
pst
3398cc6d11 Properly set the erase character for the login prompt. 
Submitted by:	John Capo <jc@irbs.com> & Peter Wemm
 1995-09-05 17:38:31 +00:00
ats
9eb7a64ecc Fix some typos in a comment BUAD -> BAUD. 1995-08-05 18:16:50 +00:00
ache
80afbaa558 Use the same DECODE_BAUD trick like in new telnetd to obtain 
termios speed.
Obtained from: Pre-Lite2 telnet
 1995-08-02 11:20:05 +00:00
rgrimes
f05428e4cd Remove trailing whitespace. 1995-05-30 05:51:47 +00:00
ache
e028135d85 Fix bug: 
When hostname len > 8, name replaced with dot notation when -u flag
not specified (default case).
Use _PATH_* for utmp/wtmp.
 1995-04-26 22:33:15 +00:00
jkh
87505148a9 Support for >32 PTYs. 
Submitted by:	Heikki Suonsivu <hsu@cs.hut.fi>
 1995-02-09 11:11:01 +00:00
guido
957ff9bd53 Plug already known security hole. (Brought over from 1.1.5): 
Fixed security problem with telnetd, which allowed
        telnet -l -hcert.org localhost
to change the user's host in utmp.
Thanks to Matthew Green <mrgreen@@mame.mu.oz.au> for showing me this one.


Reviewed by:	karl, guido
Submitted by:	mrgreen@@mame.mu.oz.au
 1994-08-15 20:06:13 +00:00
rgrimes
7d07d2de2f BSD 4.4 Lite Libexec Sources 1994-05-27 12:39:25 +00:00