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Diffstat (limited to 'login/programs/utmpd-private.h')
-rw-r--r-- | login/programs/utmpd-private.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/login/programs/utmpd-private.h b/login/programs/utmpd-private.h new file mode 100644 index 0000000000..4a9cdb921e --- /dev/null +++ b/login/programs/utmpd-private.h @@ -0,0 +1,107 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _UTMPD_PRIVATE_H +#define _UTMPD_PRIVATE_H 1 + +#include <time.h> +#include <utmp.h> + + +/* The number of connections we allow. */ +#ifndef MAX_CONNECTIONS +#define MAX_CONNECTIONS 16 +#endif + + +typedef struct utmp_database +{ + int fd; + int old_fd; + char *file; + char *old_file; + time_t mtime; +} utmp_database; + + +/* The databases we handle. */ +extern utmp_database *utmp_db; +extern utmp_database *wtmp_db; + + +typedef struct client_connection +{ + int sock; + /* Access permissions. */ + int access; + + /* Read pointer. */ + void *read_base; + void *read_ptr; + void *read_end; + + /* Write buffer. */ + void *write_base; + void *write_ptr; + void *write_end; + + /* Database to use for this connection. */ + utmp_database *database; + /* Position pointer. */ + int position; + + /* Last read entry. */ + struct utmp last_entry; + + /* Pointers to the next and previous connections in the list. */ + struct client_connection *next; + struct client_connection *prev; +} client_connection; + + +/* This variable indicates if we have forked. If set, we log messages + via the system logger. Otherwise we simply print the program name + and the message to standard error. */ +extern int forked; + + +/* Database functions. */ +utmp_database *open_database (const char *file, const char *old_file); +int synchronize_database (utmp_database *database); +void close_database (utmp_database *database); +int read_entry (utmp_database *database, int position, struct utmp *entry); +int write_entry (utmp_database *database, int position, + const struct utmp *entry); +int append_entry (utmp_database *database, const struct utmp *entry); +int read_old_entry (utmp_database *database, int position, struct utmp *entry); +int write_old_entry (utmp_database *database, int position, + const struct utmp *entry); + +/* Connection oriented functions. */ +client_connection *accept_connection (int sock, int access); +client_connection *find_connection (int sock); +void close_connection (client_connection *connection); +int read_data (client_connection *connection); +int write_data (client_connection *connection); + +void error (int status, int errnum, const char *message, ...); +void warning (int errnum, const char *message, ...); + +#endif /* utmpd-private.h */ + |