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ftpd/ftpcmd.y ftpd/ftpd.c ftpd/logwtmp.c ftpd/popen.c glob/Makefile.am headers/config.h.in inetd/ChangeLog inetd/Makefile.am inetd/inetd.c libinetutils/ChangeLog libinetutils/Makefile.am libinetutils/cleansess.c libinetutils/daemon.c libinetutils/des_rw.c libinetutils/forkpty.c libinetutils/getusershell.c libinetutils/herror.c libinetutils/hstrerror.c libinetutils/iruserok.c libinetutils/localhost.c libinetutils/login_tty.c libinetutils/logout.c libinetutils/logwtmp.c libinetutils/openpty.c libinetutils/readstream.c libinetutils/revoke.c libinetutils/setenv.c libinetutils/setsig.c libinetutils/strdup.c libinetutils/stub_tgetent.c libinetutils/tftpsubs.c libinetutils/ttymsg.c libinetutils/utmp_init.c libinetutils/utmp_logout.c libinetutils/xgetcwd.c libinetutils/xstrdup.c libls/Makefile.am libtelnet/Makefile.am libtelnet/genget.c libtelnet/getent.c libtelnet/misc.c ping/Makefile.am rcp/Makefile.am rcp/rcp.c rcp/util.c rexecd/ChangeLog rexecd/Makefile.am rexecd/rexecd.c rlogin/Makefile.am rlogin/rlogin.c rlogind/Makefile.am rlogind/rlogind.c rsh/Makefile.am rsh/rsh.c rshd/Makefile.am rshd/rshd.c syslog/Makefile.am syslog/syslog.c syslogd/Makefile.am syslogd/syslogd.c talk/Makefile.am talk/ctl.c talk/ctl_transact.c talk/display.c talk/get_addrs.c talk/get_names.c talk/init_disp.c talk/invite.c talk/io.c talk/look_up.c talk/msgs.c talk/talk.c talkd/Makefile.am talkd/announce.c talkd/print.c talkd/process.c talkd/table.c talkd/talkd.c telnet/Makefile.am telnet/authenc.c telnet/commands.c telnet/externs.h telnet/main.c telnet/network.c telnet/ring.c telnet/ring.h telnet/sys_bsd.c telnet/telnet.c telnet/terminal.c telnet/tn3270.c telnet/utilities.c telnetd/Makefile.am telnetd/authenc.c telnetd/slc.c telnetd/state.c telnetd/sys_term.c telnetd/telnetd.c telnetd/termstat.c telnetd/utility.c tftp/Makefile.am tftp/tftp.c tftpd/Makefile.am tftpd/tftpd.c uucpd/Makefile.am uucpd/uucpd.c whois/Makefile.am whois/net.c In a bold move, bring all the functions prototype to ANSI C.
133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/* A version of bsd `logwtmp' that should be widely portable
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Copyright (C) 1996, 2000 Free Software Foundation, Inc.
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Written by Miles Bader <miles@gnu.ai.mit.edu>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2, or (at
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your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* If `KEEP_OPEN' is defined, then a special version of logwtmp is compiled,
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called logwtmp_keep_open, which keeps the wtmp file descriptor open
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between calls, and doesn't attempt to open the file after the first call. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <unistd.h>
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#include <sys/types.h>
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#ifdef TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_UTMP_H
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#include <utmp.h>
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#else
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#ifdef HAVE_UTMPX_H
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#include <utmpx.h>
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#define utmp utmpx /* make utmpx look more like utmp */
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#endif
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifndef HAVE_ERRNO_DECL
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extern int errno;
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#endif
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static void
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_logwtmp (struct utmp *ut)
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{
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#ifdef KEEP_OPEN
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static int fd = -1;
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if (fd < 0)
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fd = open (PATH_WTMP, O_WRONLY|O_APPEND, 0);
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#else
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int fd = open (PATH_WTMP, O_WRONLY|O_APPEND, 0);
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#endif
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if (fd >= 0)
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{
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struct stat st;
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#ifdef HAVE_FLOCK
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if (flock (fd, LOCK_EX|LOCK_NB) < 0 && errno != ENOSYS)
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{
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sleep (1);
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flock (fd, LOCK_EX|LOCK_NB); /* ignore error */
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}
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#endif
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#ifdef HAVE_FTRUNCATE
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if (fstat (fd, &st) == 0
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&& write (fd, (char *)ut, sizeof *ut) != sizeof *ut)
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ftruncate (fd, st.st_size);
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#else
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write (fd, (char *)ut, sizeof *ut);
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#endif
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#ifdef HAVE_FLOCK
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flock (fd, LOCK_UN);
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#endif
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#ifndef KEEP_OPEN
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close (fd);
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#endif
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}
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}
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void
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#ifdef KEEP_OPEN
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logwtmp_keep_open (char *line, char *name, char *host)
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#else
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logwtmp (char *line, char *name, char *host)
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#endif
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{
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struct utmp ut;
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/* Set information in new entry. */
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bzero (&ut, sizeof (ut));
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#ifdef HAVE_UTMP_UT_TYPE
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ut.ut_type = USER_PROCESS;
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#endif
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strncpy (ut.ut_line, line, sizeof ut.ut_line);
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strncpy (ut.ut_name, name, sizeof ut.ut_name);
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#ifdef HAVE_UTMP_UT_HOST
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strncpy (ut.ut_host, host, sizeof ut.ut_host);
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#endif
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#ifdef HAVE_UTMP_UT_TV
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gettimeofday (&ut.ut_tv, NULL);
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#else
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time (&ut.ut_time);
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#endif
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_logwtmp (&ut);
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}
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