mirror of https://gitee.com/openkylin/ppp.git
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
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* session.c - PPP session control.
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*
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* Copyright (c) 2007 Diego Rivera. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. The name(s) of the authors of this software must not be used to
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* endorse or promote products derived from this software without
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* prior written permission.
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*
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* 3. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Paul Mackerras
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* <paulus@samba.org>".
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*
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* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __SESSION_H
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#define __SESSION_H
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#define SESS_AUTH 1 /* Check User Authentication */
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#define SESS_ACCT 2 /* Check Account Validity */
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/* Convenience parameter to do the whole enchilada */
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#define SESS_ALL (SESS_AUTH | SESS_ACCT)
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/*
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* int session_start(...)
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*
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* Start a session, performing any necessary validations.
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*
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* Parameters:
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* const int flags :
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* Any combination of the SESS_XXX flags, to indicate what the function
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* should do as part of its checks
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*
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* const char* user :
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* The username to validate. May safely be null.
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*
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* const char* passwd :
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* The password to validate the user with. May safely be null.
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*
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* const char* tty :
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* The TTY the user is connected on. May safely be null.
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*
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* char** msg :
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* A char* to return an error or success message. This message will be returned
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* regardless of the result. May safely be null.
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*
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* Return Value:
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* Zero value for failure, non-zero value for successful session verification.
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*/
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int
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session_start(const int flags, const char* user, const char* passwd, const char* tty, char** msg);
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/* Added these macros for convenience... */
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#define session_auth(user, pass, tty, msg) \
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session_start(SESS_AUTH, user, pass, tty, msg)
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#define session_check(user, pass, tty, msg) \
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session_start(SESS_ACCT, user, pass, tty, msg)
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#define session_full(user, pass, tty, msg) \
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session_start(SESS_ALL, user, pass, tty, msg)
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/*
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* void session_end(...)
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*
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* End a previously-started session.
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*
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* Parameters:
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* const char* tty :
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* The TTY the user is connected on. May safely be null.
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*/
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void
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session_end(const char* tty);
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#endif
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