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--- src/utmpx.c.orig 1970-01-01 09:00:00.000000000 +0900
+++ src/utmpx.c 2012-05-10 02:12:23.827551809 +0900
@@ -0,0 +1,156 @@
+/*
+ * KON2 - Kanji ON Console -
+ * Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TAKASHI MANABE ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE TERRENCE R. LAMBERT BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+/*
+ Original utmp.c was ported from Wnn by komeda@ics.osaka-u.ac.jp.
+ This code is written by manabe@papilio.tutics.tut.ac.jp,
+ and this does not contain old code (Wnn's setutmp.c).
+
+ Thanks to komeda@ics.osaka-u.ac.jp.
+*/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <pwd.h>
+#include <utmpx.h>
+#include <grp.h>
+#include <sys/stat.h>
+#if defined(__FreeBSD__)
+#include <ttyent.h>
+#endif
+
+#if !defined(__FreeBSD__)
+static int ttyGid;
+#else
+static gid_t ttyGid;
+static int ts;
+#endif
+static int unuse_utmp = 0;
+
+void UnUseUtmp(int flg)
+{
+ unuse_utmp = flg;
+}
+
+void SetUtmp(char *tty)
+{
+ struct utmpx utmp;
+ struct utmpx *utp;
+
+ struct passwd *pw;
+ struct group *ttygrp;
+ char *tn;
+#if defined(__FreeBSD__)
+ struct ttyent *ttyp;
+ int fd, i;
+#endif
+ if (unuse_utmp)
+ return;
+ pw = getpwuid(getuid());
+ tn = rindex(tty, '/') + 1;
+ memset((char *)&utmp, 0, sizeof(utmp));
+#if !defined(__FreeBSD__)
+ strncpy(utmp.ut_id, tn + 3, sizeof(utmp.ut_id));
+ utmp.ut_type = DEAD_PROCESS;
+ setutent();
+ getutid(&utmp);
+ utmp.ut_type = USER_PROCESS;
+ utmp.ut_pid = getpid();
+ strncpy(utmp.ut_line, tn, sizeof(utmp.ut_line));
+ strncpy(utmp.ut_user, pw->pw_name, sizeof(utmp.ut_user));
+ time(&(utmp.ut_time));
+ pututline(&utmp);
+ endutent();
+#else
+ setutxent();
+ strncpy(utmp.ut_id, tn + 3, sizeof(utmp.ut_id));
+ utmp.ut_type = DEAD_PROCESS;
+ utp = getutxent();
+ memcpy(&utmp, utp, sizeof(utmp));
+ utmp.ut_type = USER_PROCESS;
+ utmp.ut_pid = getpid();
+ strncpy(utmp.ut_line, tn, sizeof(utmp.ut_line));
+ strncpy(utmp.ut_user, pw->pw_name, sizeof(utmp.ut_user));
+ gettimeofday(&utmp.ut_tv, NULL);
+ pututxline(&utmp);
+ endutxent();
+#endif
+ if ((ttygrp = getgrnam("tty")) != NULL)
+ ttyGid = ttygrp->gr_gid;
+ else
+ ttyGid = -1;
+ chmod(tty, 0622);
+ chown(tty, getuid(), ttyGid);
+}
+
+void ResetUtmp(char *tty)
+{
+#if !defined(__FreeBSD__)
+ struct utmp utmp, *utp;
+ char *tn;
+#else
+ struct utmpx utmp;
+ struct utmpx *utp;
+ char *tn;
+ int fd;
+#endif
+ if (unuse_utmp)
+ return;
+
+#if !defined(__FreeBSD__)
+ tn = rindex(tty, '/') + 4;
+ memset((char *)&utmp, 0, sizeof(utmp));
+ strncpy(utmp.ut_id, tn, sizeof(utmp.ut_id));
+ utmp.ut_type = USER_PROCESS;
+ setutent();
+ utp = getutid(&utmp);
+ utp->ut_type = DEAD_PROCESS;
+ memset(utp->ut_user, 0, sizeof(utmp.ut_user));
+ utp->ut_type = DEAD_PROCESS;
+ time(&(utp->ut_time));
+ pututline(utp);
+ endutent();
+#else
+ tn = rindex(tty, '/') + 4;
+ memset((char *)&utmp, 0, sizeof(utmp));
+ strncpy(utmp.ut_id, tn, sizeof(utmp.ut_id));
+ utmp.ut_type = USER_PROCESS;
+ setutxent();
+ utp = getutxent();
+ memcpy(&utmp, utp, sizeof(utmp));
+ utmp.ut_type = DEAD_PROCESS;
+ memset(utmp.ut_user, 0, sizeof(utmp.ut_user));
+ utmp.ut_type = DEAD_PROCESS;
+ gettimeofday(&utmp.ut_tv, NULL);
+ pututxline(&utmp);
+ endutxent();
+#endif
+ chmod(tty, 0600);
+ chown(tty, 0, ttyGid);
+}
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