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-rw-r--r--sessreg.c127
-rw-r--r--sessreg.man9
2 files changed, 83 insertions, 53 deletions
diff --git a/sessreg.c b/sessreg.c
index 748608a..2375e80 100644
--- a/sessreg.c
+++ b/sessreg.c
@@ -3,7 +3,11 @@
*
* Copyright 1990, 1998 The Open Group
*
- * All Rights Reserved.
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
@@ -26,6 +30,8 @@
* by Andreas Stolcke <stolcke@icsi.berkeley.edu>
*/
+/* $XFree86: xc/programs/xdm/sessreg.c,v 3.19 2002/12/07 20:31:04 herrb Exp $ */
+
/*
* sessreg
*
@@ -42,24 +48,41 @@
*/
+# include "dm.h"
+
# include <X11/Xos.h>
# include <X11/Xfuncs.h>
# include <stdio.h>
# include <utmp.h>
-#if defined(SYSV) || defined(_SEQUENT_)
+#if defined(SYSV) || defined(SVR4) || defined(Lynx) || defined(__QNX__) || defined(__DARWIN__) || defined(_SEQUENT_)
#define NO_LASTLOG
#endif
+#ifdef CSRG_BASED
+#include <sys/param.h>
+#endif
+
#ifndef NO_LASTLOG
-# ifndef CSRG_BASED
+# ifdef CSRG_BASED
+# if (BSD < 199103)
+# include <lastlog.h>
+# endif
+# else
# include <lastlog.h>
# endif
# include <pwd.h>
#endif
#if defined(SVR4) || defined(linux)
-#define SYSV /* nice System V utmp interface still the same */
+#define SYSV
+#endif
+
+#ifdef CSRG_BASED
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
+/* *BSD doesn't like a ':0' type entry in utmp */
+#define NO_UTMP
+#endif
#endif
#ifndef WTMP_FILE
@@ -91,18 +114,15 @@
# endif
#endif
-#ifdef X_NOT_STDC_ENV
-#define Time_t long
-extern Time_t time ();
-#else
#include <time.h>
#define Time_t time_t
-#endif
#ifdef X_NOT_POSIX
extern long lseek ();
extern char *ttyname ();
#endif
+static void set_utmp (struct utmp *u, char *line, char *user, char *host, Time_t date, int addp);
+
int wflag, uflag, lflag;
char *wtmp_file, *utmp_file, *line;
int utmp_none, wtmp_none;
@@ -111,7 +131,7 @@ int utmp_none, wtmp_none;
* maintainers, these arguments are accepted but ignored for sysV
*/
int hflag, sflag, xflag, tflag;
-char *host_name;
+char *host_name = NULL;
int slot_number;
char *xservers_file, *ttys_file;
char *user_name;
@@ -123,7 +143,14 @@ int llog_none, Lflag;
char *program_name;
-usage (x)
+#ifndef SYSV
+static int findslot (char *line_name, char *host_name, int addp, int slot);
+static int Xslot (char *ttys_file, char *servers_file, char *tty_line,
+ char *host_name, int addp);
+#endif
+
+static int
+usage (int x)
{
if (x) {
fprintf (stderr, "%s: usage %s {-a -d} [-w wtmp-file] [-u utmp-file]", program_name, program_name);
@@ -138,10 +165,8 @@ usage (x)
return x;
}
-char *
-getstring (avp, flagp)
-char ***avp;
-int *flagp;
+static char *
+getstring (char ***avp, int *flagp)
{
char **a = *avp;
@@ -154,9 +179,9 @@ int *flagp;
return *a;
}
-syserr (x, s)
-int x;
-char *s;
+#ifndef SYSV
+static int
+syserr (int x, char *s)
{
if (x == -1) {
perror (s);
@@ -164,10 +189,10 @@ char *s;
}
return x;
}
+#endif
-sysnerr (x, s)
-int x;
-char *s;
+static int
+sysnerr (int x, char *s)
{
if (x == 0) {
perror (s);
@@ -176,9 +201,8 @@ char *s;
return x;
}
-main (argc, argv)
-int argc;
-char **argv;
+int
+main (int argc, char **argv)
{
#ifndef SYSV
int utmp;
@@ -244,13 +268,17 @@ char **argv;
/* set up default file names */
if (!wflag)
wtmp_file = WTMP_FILE;
+#ifndef NO_UTMP
if (!uflag)
utmp_file = UTMP_FILE;
+#else
+ utmp_none = 1;
+#endif
#ifndef NO_LASTLOG
if (!Lflag)
llog_file = LLOG_FILE;
#endif
-#if !defined(SYSV) && !defined(linux)
+#if !defined(SYSV) && !defined(linux) && !defined(__QNX__)
if (!tflag)
ttys_file = TTYS_FILE;
if (!sflag && !utmp_none) {
@@ -261,14 +289,14 @@ char **argv;
}
#endif
if (!lflag) {
- sysnerr ((int) (line_tmp = ttyname (0)), "ttyname");
+ sysnerr ((line_tmp = ttyname (0)) != NULL, "ttyname");
line = strrchr(line_tmp, '/');
if (line)
line = line + 1;
else
line = line_tmp;
}
- current_time = time ((Time_t *) 0);
+ time (&current_time);
set_utmp (&utmp_entry, line, user_name, host_name, current_time, aflag);
if (!utmp_none) {
#ifdef SYSV
@@ -301,11 +329,13 @@ char **argv;
struct passwd *pwd = getpwnam(user_name);
sysnerr( pwd != NULL, "get user id");
- llog = open (llog_file, O_WRONLY);
+ llog = open (llog_file, O_RDWR);
if (llog != -1) {
struct lastlog ll;
+ sysnerr (lseek(llog, (long) pwd->pw_uid*sizeof(ll), 0)
+ != -1, "seeking lastlog entry");
bzero((char *)&ll, sizeof(ll));
ll.ll_time = current_time;
if (line)
@@ -313,7 +343,6 @@ char **argv;
if (host_name)
(void) strncpy (ll.ll_host, host_name, sizeof (ll.ll_host));
- sysnerr (lseek(llog, (long) pwd->pw_uid*sizeof(ll), 0) != -1, "seeking lastlog entry");
sysnerr (write (llog, (char *) &ll, sizeof (ll))
== sizeof (ll), "write lastlog entry");
close (llog);
@@ -327,10 +356,8 @@ char **argv;
* fill in the appropriate records of the utmp entry
*/
-set_utmp (u, line, user, host, date, addp)
-struct utmp *u;
-char *line, *user, *host;
-Time_t date;
+static void
+set_utmp (struct utmp *u, char *line, char *user, char *host, Time_t date, int addp)
{
if (line)
(void) strncpy (u->ut_line, line, sizeof (u->ut_line));
@@ -365,7 +392,8 @@ Time_t date;
u->ut_pid = 0;
u->ut_type = DEAD_PROCESS;
}
-#else
+#endif
+#if (!defined(SYSV) && !defined(__QNX__)) || defined(linux)
if (addp && host)
(void) strncpy (u->ut_host, host, sizeof (u->ut_host));
else
@@ -384,12 +412,9 @@ Time_t date;
* otherwise use the tty_line argument (i.e., the tty name).
*/
-Xslot (ttys_file, servers_file, tty_line, host_name, addp)
-char *ttys_file;
-char *servers_file;
-char *tty_line;
-char *host_name;
-int addp;
+static int
+Xslot (char *ttys_file, char *servers_file, char *tty_line, char *host_name,
+ int addp)
{
FILE *ttys, *servers;
int c;
@@ -401,14 +426,15 @@ int addp;
char *pos;
/* remove screen number from the display name */
- strcpy(disp_name, host_name ? host_name : tty_line);
+ memset(disp_name, 0, sizeof(disp_name));
+ strncpy(disp_name, host_name ? host_name : tty_line, sizeof(disp_name)-1);
pos = strrchr(disp_name, ':');
if (pos) {
pos = strchr(pos, '.');
if (pos)
*pos = '\0';
}
- sysnerr (ttys = fopen (ttys_file, "r"), ttys_file);
+ sysnerr ((int)(long)(ttys = fopen (ttys_file, "r")), ttys_file);
while ((c = getc (ttys)) != EOF)
if (c == '\n') {
++slot;
@@ -418,7 +444,7 @@ int addp;
if (!column0)
++slot;
(void) fclose (ttys);
- sysnerr (servers = fopen (servers_file, "r"), servers_file);
+ sysnerr ((int)(long)(servers = fopen (servers_file, "r")), servers_file);
len = strlen (disp_name);
column0 = 1;
@@ -446,11 +472,8 @@ int addp;
* past the regular tty entries if necessary, reusing existing entries
* (identified by (line,hostname)) if possible.
*/
-findslot (line_name, host_name, addp, slot)
-char *line_name;
-char *host_name;
-int addp;
-int slot;
+static int
+findslot (char *line_name, char *host_name, int addp, int slot)
{
int utmp;
struct utmp entry;
@@ -470,9 +493,13 @@ int slot;
while (read (utmp, (char *) &entry, sizeof (entry)) == sizeof (entry)) {
if (strncmp(entry.ut_line, line_name,
- sizeof(entry.ut_line)) == 0 &&
+ sizeof(entry.ut_line)) == 0
+#ifndef __QNX__
+ &&
strncmp(entry.ut_host, host_name,
- sizeof(entry.ut_host)) == 0) {
+ sizeof(entry.ut_host)) == 0
+#endif
+ ) {
found = 1;
break;
}
diff --git a/sessreg.man b/sessreg.man
index 9af0168..7057596 100644
--- a/sessreg.man
+++ b/sessreg.man
@@ -22,7 +22,10 @@
.\" not be used in advertising or otherwise to promote the sale, use or
.\" other dealings in this Software without prior written authorization
.\" from The Open Group.
-.TH SESSREG 1 "Release 6.4" "X Version 11"
+.\"
+.\" $XFree86: xc/programs/xdm/sessreg.man,v 1.8 2001/12/14 20:01:24 dawes Exp $
+.\"
+.TH SESSREG 1 __xorgversion__
.SH NAME
sessreg \- manage utmp/wtmp entries for non-init clients
.SH SYNOPSIS
@@ -62,8 +65,8 @@ Conversely, System V managers will not ever need to use these options (-x,
\fIsessreg\fP accepts the BSD-specific flags in the System V
environment and ignores them.
.PP
-BSD also has a host-name field in the utmp file which doesn't exist in
-System V. This option is also ignored by the System V version of
+BSD and Linux also have a host-name field in the utmp file which doesn't
+exist in System V. This option is also ignored by the System V version of
\fIsessreg\fP.
.SH USAGE
.PP
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 23:00:26 +0000