ckp_ssn.c

mgcp协议源代码。支持多种编码：g711

/*
 * Program:	Secure SUN-OS check password
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: [e-mail]
 *
 * Date:	1 August 1988
 * Last Edited:	12 April 2000
 *
 * Copyright 2000 by the University of Washington
 *
 *  Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appears in all copies and that both the
 * above copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the University of Washington not be
 * used in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.  This software is made available
 * "as is", and
 * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
 * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
 * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
 * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include <sys/label.h>
#include <sys/audit.h>
#include <pwdadj.h>


/* Check password
 * Accepts: login passwd struct
 *	    password string
 *	    argument count
 *	    argument vector
 * Returns: passwd struct if password validated, NIL otherwise
 */

struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
{
  struct passwd_adjunct *pa;
  char *user = cpystr (pw->pw_name);
				/* validate user and password */
  struct passwd *ret =
    ((pw->pw_passwd && pw->pw_passwd[0] && pw->pw_passwd[1] &&
      !strcmp (pw->pw_passwd,(char *) crypt (pass,pw->pw_passwd))) ||
     ((pa = getpwanam (pw->pw_name)) &&
      pa->pwa_passwd && pa->pwa_passwd[0] && pa->pwa_passwd[1] &&
      !strcmp (pa->pwa_passwd,(char *) crypt (pass,pa->pwa_passwd)))) ?
	getpwnam (user) : NIL;
  if (user) fs_give ((void **) &user);
  return ret;
}