contrib/openpam/lib/pam_info.c

   1 /*-
   2  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
   3  * Copyright (c) 2004-2011 Dag-Erling Smørgrav
   4  * All rights reserved.
   5  *
   6  * This software was developed for the FreeBSD Project by ThinkSec AS and
   7  * Network Associates Laboratories, the Security Research Division of
   8  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
   9  * ("CBOSS"), as part of the DARPA CHATS research program.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. The name of the author may not be used to endorse or promote
  20  *    products derived from this software without specific prior written
  21  *    permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * $Id: pam_info.c 437 2011-09-13 12:00:13Z des $
  36  */
  37
  38 #ifdef HAVE_CONFIG_H
  39 # include "config.h"
  40 #endif
  41
  42 #include <stdarg.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45
  46 #include <security/pam_appl.h>
  47 #include <security/openpam.h>
  48
  49 #include "openpam_impl.h"
  50
  51 /*
  52  * OpenPAM extension
  53  *
  54  * Display an information message
  55  */
  56
  57 int
  58 pam_info(const pam_handle_t *pamh,
  59         const char *fmt,
  60         ...)
  61 {
  62         va_list ap;
  63         char *rsp;
  64         int r;
  65
  66         va_start(ap, fmt);
  67         r = pam_vprompt(pamh, PAM_TEXT_INFO, &rsp, fmt, ap);
  68         va_end(ap);
  69         FREE(rsp); /* ignore response */
  70         return (r);
  71 }
  72
  73 /*
  74  * Error codes:
  75  *
  76  *     !PAM_SYMBOL_ERR
  77  *      PAM_SYSTEM_ERR
  78  *      PAM_BUF_ERR
  79  *      PAM_CONV_ERR
  80  */
  81
  82 /**
  83  * The =pam_info function displays an informational message through the
  84  * intermediary of the given PAM context's conversation function.
  85  *
  86  * >pam_error
  87  * >pam_prompt
  88  * >pam_vinfo
  89  */