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Man Pages


Manual Reference Pages  -  ULOG_LOGOUT_PSEUDO (3)

NAME

ulog_login, ulog_login_pseudo, ulog_logout, ulog_logout_pseudo - manage user login records

CONTENTS

Library
Synopsis
Description
See Also
History

LIBRARY


.Lb libulog

SYNOPSIS


.In ulog.h void ulog_login const char *line const char *user const char *host void ulog_login_pseudo int fd const char *host void ulog_logout const char *line void ulog_logout_pseudo int fd

DESCRIPTION

The ulog_login and ulog_login_pseudo functions register a login session on a TTY. The ulog_login function adds an entry for TTY line and username user. The ulog_login_pseudo function uses file descriptor to a pseudo-terminal master device fd to determine the TTY name, while using the username belonging to the real user ID of the calling process. The optional host argument denotes a remote hostname, in case the login session is provided by a network service.

The ulog_logout and ulog_logout_pseudo functions mark the previously registered login session as being terminated.

Because the line and user arguments of ulog_login and ulog_logout cannot be trusted, these functions require administrative privileges. The ulog_login_pseudo and ulog_logout_pseudo functions spawn a privileged process to perform the actual logging.

SEE ALSO

getuid(2), posix_openpt(2), ptsname(3), pututxline(3)

HISTORY

These functions appeared in
.Fx 9.0 .
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