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New patch. Description from the maintainer:

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Patch for utmp ut_host.

	  GNU finger uses ut_host information in utmp.

	  From src/usr.bin/login/login.c CVS log, after 2.2 source tree,
	login.c write numerical address to ut_host.
	(1.12 comment of login.c)

	  So this patch is to translate numerical address to hostname.

Special Thanks to Tung-Hui Hu <hhui@arcfour.com>.

Submitted by:	sanpei@yy.cs.keio.ac.jp
(Closing part of #PR 2360.)
This commit is contained in:
Masafumi Max NAKANE 1997-01-06 07:32:57 +00:00
parent f0bf4911ea
commit 48ac028bab
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=5223
1 changed files with 51 additions and 0 deletions
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@ -0,0 +1,51 @@
Patch for utmp ut_host.
GNU finger uses ut_host information in utmp.
From src/usr.bin/login/login.c CVS log, after 2.2 source tree,
login.c write numerical address to ut_host.
(1.12 comment of login.c)
So this patch is to translate numerical address to hostname.
Special Thanks to Tung-Hui Hu <hhui@arcfour.com>.
--- lib/os.c.orig Mon Dec 30 00:54:57 1996
+++ lib/os.c Mon Dec 30 10:51:30 1996
@@ -26,6 +26,8 @@
#include <sys/acct.h>
#include <time.h>
#include <packet.h>
+#include <sys/socket.h>
+#include <netdb.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
@@ -489,6 +491,7 @@
UTMP **result;
int result_size = 0;
+ struct hostent *hp; u_long l;
#ifndef HAVE_GETUTENT
file = open (UTMP_FILE, O_RDONLY);
@@ -533,6 +536,19 @@
continue;
#endif /* sun */
+#ifdef __FreeBSD__
+ if (UT(entry, ut_host)[0]) {
+ if (isdigit(UT(entry, ut_host)[0]) &&
+ (long)(l = inet_addr(UT(entry, ut_host))) != -1 &&
+ (hp = gethostbyaddr((char *)&l, sizeof(l), AF_INET))) {
+ if (hp->h_name) {
+ strncpy(UT(entry, ut_host), hp->h_name, UT_HOSTSIZE);
+ UT(entry, ut_host)[UT_HOSTSIZE - 1] = '\0';
+ } /* valid hostname */
+ } /* IP addr */
+ } /* UTMP */
+#endif
+
for (i = 0; result[i]; i++)
{
/* If the same person is logged in more than once, we are