contrib/openpam/lib/pam_prompt.c

   1 /*-
   2  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
   3  * Copyright (c) 2004-2007 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_prompt.c 408 2007-12-21 11:36:24Z des $
  36  */
  37
  38 #include <sys/types.h>
  39
  40 #include <stdarg.h>
  41
  42 #include <security/pam_appl.h>
  43 #include <security/openpam.h>
  44
  45 /*
  46  * OpenPAM extension
  47  *
  48  * Call the conversation function
  49  */
  50
  51 int
  52 pam_prompt(const pam_handle_t *pamh,
  53         int style,
  54         char **resp,
  55         const char *fmt,
  56         ...)
  57 {
  58         va_list ap;
  59         int r;
  60
  61         va_start(ap, fmt);
  62         r = pam_vprompt(pamh, style, resp, fmt, ap);
  63         va_end(ap);
  64         return (r);
  65 }
  66
  67 /*
  68  * Error codes:
  69  *
  70  *     !PAM_SYMBOL_ERR
  71  *      PAM_SYSTEM_ERR
  72  *      PAM_BUF_ERR
  73  *      PAM_CONV_ERR
  74  */
  75
  76 /**
  77  * The =pam_prompt function constructs a message from the specified format
  78  * string and arguments and passes it to the given PAM context's
  79  * conversation function.
  80  *
  81  * A pointer to the response, or =NULL if the conversation function did
  82  * not return one, is stored in the location pointed to by the =resp
  83  * argument.
  84  *
  85  * See =pam_vprompt for further details.
  86  *
  87  * >pam_error
  88  * >pam_info
  89  * >pam_vprompt
  90  */