Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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$FreeBSD$
.Dd October 11, 2010 .Dt ULOG_LOGIN 3 .Os .Sh NAME .Nm ulog_login , .Nm ulog_login_pseudo , .Nm ulog_logout , .Nm ulog_logout_pseudo .Nd manage user login records .Sh LIBRARY .Lb libulog .Sh SYNOPSIS n ulog.h .Ft void .Fn ulog_login "const char *line" "const char *user" "const char *host" .Ft void .Fn ulog_login_pseudo "int fd" "const char *host" .Ft void .Fn ulog_logout "const char *line" .Ft void .Fn ulog_logout_pseudo "int fd" .Sh DESCRIPTION The .Fn ulog_login and .Fn ulog_login_pseudo functions register a login session on a TTY. The .Fn ulog_login function adds an entry for TTY .Fa line and username .Fa user . The .Fn ulog_login_pseudo function uses file descriptor to a pseudo-terminal master device .Fa fd to determine the TTY name, while using the username belonging to the real user ID of the calling process. The optional .Fa host argument denotes a remote hostname, in case the login session is provided by a network service.
All rights reserved.
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 THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.
$FreeBSD$
.Dd October 11, 2010 .Dt ULOG_LOGIN 3 .Os .Sh NAME .Nm ulog_login , .Nm ulog_login_pseudo , .Nm ulog_logout , .Nm ulog_logout_pseudo .Nd manage user login records .Sh LIBRARY .Lb libulog .Sh SYNOPSIS n ulog.h .Ft void .Fn ulog_login "const char *line" "const char *user" "const char *host" .Ft void .Fn ulog_login_pseudo "int fd" "const char *host" .Ft void .Fn ulog_logout "const char *line" .Ft void .Fn ulog_logout_pseudo "int fd" .Sh DESCRIPTION The .Fn ulog_login and .Fn ulog_login_pseudo functions register a login session on a TTY. The .Fn ulog_login function adds an entry for TTY .Fa line and username .Fa user . The .Fn ulog_login_pseudo function uses file descriptor to a pseudo-terminal master device .Fa fd to determine the TTY name, while using the username belonging to the real user ID of the calling process. The optional .Fa host argument denotes a remote hostname, in case the login session is provided by a network service.
p The .Fn ulog_logout and .Fn ulog_logout_pseudo functions mark the previously registered login session as being terminated.
p Because the .Fa line and .Fa user arguments of .Fn ulog_login and .Fn ulog_logout cannot be trusted, these functions require administrative privileges. The .Fn ulog_login_pseudo and .Fn ulog_logout_pseudo functions spawn a privileged process to perform the actual logging. .Sh SEE ALSO .Xr getuid 2 , .Xr posix_openpt 2 , .Xr ptsname 3 , .Xr pututxline 3 .Sh HISTORY These functions appeared in .Fx 9.0 .