From 83d734abd26ba5e3cf8c197de581da2379290860 Mon Sep 17 00:00:00 2001 From: Kaleb Keithley Date: Fri, 14 Nov 2003 16:49:22 +0000 Subject: XFree86 4.3.0.1 --- sessreg.c | 127 ++++++++++++++++++++++++++++++++++++------------------------ sessreg.man | 9 +++-- 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 */ +/* $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 # include # include # include -#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 +#endif + #ifndef NO_LASTLOG -# ifndef CSRG_BASED +# ifdef CSRG_BASED +# if (BSD < 199103) +# include +# endif +# else # include # endif # include #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 #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 (¤t_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 -- cgit v1.2.3