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From: jdli@csie.nctu.edu.tw (醉生夢死 無言以對)
Newsgroups: comp.os.386bsd.bugs
Subject: Re: FreeBSD 2.0a telnetd not resolving hostnames?
Date: 22 Nov 1994 12:16:59 GMT
Organization: 柔雲織成的夢中....
Lines: 24
Message-ID: <3asnfr$f2e@news.csie.nctu.edu.tw>
References: <1994Nov22.104030.17108@galileo.cc.rochester.edu>
Reply-To: jdli@csie.nctu.edu.tw
NNTP-Posting-Host: jdli@ccsun8.csie.nctu.edu.tw
X-Newsreader: TIN [version 1.2 PL2]
=> 還記得 [Eric Volpe (ev002b@uhura.cc.rochester.edu)] 曾說 .....
) connections. If I telnet in to the machine from anywhere except localhost,
) the address it records (to utmp,wtmp,etc..) is the numerical host address
I use this on NetBSD, it works fine. It should be similar in
FreeBSD since their source are similar.
diff -c telnetd/telnetd.c mytelnetd/telnetd.c
*** telnetd/telnetd.c Fri Feb 25 18:55:11 1994
--- mytelnetd/telnetd.c Sat Nov 12 20:20:30 1994
***************
*** 809,814 ****
--- 809,817 ----
} else if (hp &&
(strlen(hp->h_name) <= ((utmp_len < 0) ? -utmp_len : utmp_len))) {
host = hp->h_name;
+ } else if (hp && (utmp_len > 0)) {
+ hp->h_name[utmp_len] = '\0';
+ host = hp->h_name;
} else {
host = inet_ntoa(who->sin_addr);
}