contrib/openpam/lib/pam_verror.c

   1 /*-
   2  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
   3  * All rights reserved.
   4  *
   5  * This software was developed for the FreeBSD Project by ThinkSec AS and
   6  * Network Associates Laboratories, the Security Research Division of
   7  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
   8  * ("CBOSS"), as part of the DARPA CHATS research program.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote
  19  *    products derived from this software without specific prior written
  20  *    permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $P4: //depot/projects/openpam/lib/pam_verror.c#8 $
  35  */
  36
  37 #include <stdarg.h>
  38 #include <stdlib.h>
  39
  40 #include <security/pam_appl.h>
  41 #include <security/openpam.h>
  42
  43 #include "openpam_impl.h"
  44
  45 /*
  46  * OpenPAM extension
  47  *
  48  * Display an error message
  49  */
  50
  51 int
  52 pam_verror(pam_handle_t *pamh,
  53         const char *fmt,
  54         va_list ap)
  55 {
  56         char *rsp;
  57         int r;
  58
  59         r = pam_vprompt(pamh, PAM_ERROR_MSG, &rsp, fmt, ap);
  60         FREE(rsp); /* ignore response */
  61         return (r);
  62 }
  63
  64 /*
  65  * Error codes:
  66  *
  67  *     !PAM_SYMBOL_ERR
  68  *      PAM_SYSTEM_ERR
  69  *      PAM_BUF_ERR
  70  *      PAM_CONV_ERR
  71  */
  72
  73 /**
  74  * The =pam_verror function passes its arguments to =pam_vprompt with a
  75  * style argument of =PAM_ERROR_MSG, and discards the response.
  76  *
  77  * >pam_error
  78  * >pam_vinfo
  79  */