telnet bug on close followed by open (part 2)
Steven M. Schultz
sms at wlv.imsd.contel.com
Wed Aug 1 06:53:20 AEST 1990
Subject: telnet bug on close followed by open (part 2)
Index: ucb/telnet.c 2.10BSD
Description:
Telnet can hang when doing a close followed by a open.
Repeat-By:
telnet> toggle options
telnet> open foobar
telnet> close
telnet> open foobar
and telnet will hang.
Fix:
The earlier fix which changed the return value of bye() is
still needed, the problem was that patch only fixed part
of the problem. The rest of the solution is to clear
the local telnet's option list.
*** telnet.c.old Fri Jul 27 14:25:20 1990
--- telnet.c Tue Jul 31 13:39:39 1990
***************
*** 1984,1989 ****
--- 1984,1991 ----
/* reset his options */
for (op = hisopts; op < &hisopts[256]; op++)
*op = 0;
+ /* reset our options */
+ bzero(myopts, 256);
}
return 0;
}
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