don't print 0 bytes for ls commands

add SYST (sys type), REST (restart); null deref; from Rick Adams

syslog logins, both successful(??) and unsuccessful

if no home directory, log into '/'; delete old #ifdef/notdef and
commented out stuff; allocate block for binary transfer, based on st_blksize;
redo reply/lreply as taking multiple arguments -- this s

if no home directory, log into '/'; delete old #ifdef/notdef and
commented out stuff; allocate block for binary transfer, based on st_blksize;
redo reply/lreply as taking multiple arguments -- this should be ripped out
at some point and made to use varargs/vsyslog.

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use varargs; lreply only used once, so just handle that one case

fix user/pass to reset all on failure (*don't* leave failed anonymous
login as root!), limit login attempts, sleep after failures to slow down
guessing, correct telnet option processing, various clea

fix user/pass to reset all on failure (*don't* leave failed anonymous
login as root!), limit login attempts, sleep after failures to slow down
guessing, correct telnet option processing, various cleanups

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Rick Adams for Bill Scherlis, the night that MilNet died

make mode more prominent

cleanup logwtmp stuff, stupid mistakes

security problem with user; bug report 4.3BSD/ucb/251

print ascii/binary mode for connection, not address and port #

fix for ANSI C; cast return of signal before compare with int

break out logwtmp and popen into separate modules

install approved copyright notice

add Berkeley specific header

fix bogus use of varags (4.3BSD/etc/90)

freoprn stderr to /dev/null to prevent ls() 'file not found' messages

FTPD refuses to let /bin/sh users log in; bug report 4.3BSD/etc/19

also require user to have a standard shell

Use SO_OOBINLINE for TCP urgent data.
Don't send 150 response unless data connection successful for data transfers.
Correctly filter \r\r\n during ascii receives. (all from Steve Jacobson)

standardize the reply codes (from mcvax!dpk@seismo.CSS.GOV)

Clean up for lint; add syslog.

cleanup oob code; recv takes char *, SIOCATMARK takes int; geez!!!!

Steve Jacobson's changes (from <csvsj@ucbopal>).

Add copyright