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Determine the host name using an array size of

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MAXHOSTNAMELEN and call trimdomain() before implementing
the -u option.

This allows local hosts of a lan with a long domain name to
appear properly in utmp by base host name (w/o domain) rather
than by IP number.
This commit is contained in:
Brian Somers 1999-04-08 21:36:27 +00:00
parent 466cab62de
commit d5cf830ef1
1 changed files with 3 additions and 2 deletions
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5
libexec/telnetd/telnetd.c
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@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)telnetd.c 8.2 (Berkeley) 12/15/93";
#endif
static const char rcsid[] =
"$Id: telnetd.c,v 1.17 1999/04/06 23:05:58 brian Exp $";
"$Id: telnetd.c,v 1.19 1999/04/07 08:39:54 brian Exp $";
#endif /* not lint */
#include "telnetd.h"
@ -90,7 +90,7 @@ int auth_level = 0;
int require_SecurID = 0;
#endif
char remote_hostname[UT_HOSTSIZE + 1];
char remote_hostname[MAXHOSTNAMELEN];
int utmp_len = sizeof(remote_hostname) - 1;
int registerd_host_only = 0;
@ -823,6 +823,7 @@ doit(who)
Please contact your net administrator");
remote_hostname[sizeof(remote_hostname) - 1] = '\0';
trimdomain(remote_hostname, UT_HOSTSIZE);
if (!isdigit(remote_hostname[0]) && strlen(remote_hostname) > utmp_len)
strncpy(remote_hostname, inet_ntoa(who->sin_addr),
sizeof(remote_hostname) - 1);