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 36 #ifdef HAVE_CONFIG_H 37 # include "config.h" 38 #endif 39 40 #include <sys/types.h> 41 42 #include <security/pam_appl.h> 43 44 #include "openpam_impl.h" 45 46 /* 47 * OpenPAM extension 48 * 49 * Null conversation function 50 */ 51 52 int 53 openpam_nullconv(int n, 54 const struct pam_message **msg, 55 struct pam_response **resp, 56 void *data) 57 { 58 59 ENTER(); 60 (void)n; 61 (void)msg; 62 (void)resp; 63 (void)data; 64 RETURNC(PAM_CONV_ERR); 65 } 66 67 /* 68 * Error codes: 69 * 70 * PAM_CONV_ERR 71 */ 72 73 /** 74 * The =openpam_nullconv function is a null conversation function suitable 75 * for applications that want to use PAM but don't support interactive 76 * dialog with the user. 77 * Such applications should set =PAM_AUTHTOK to whatever authentication 78 * token they've obtained on their own before calling =pam_authenticate 79 * and / or =pam_chauthtok, and their PAM configuration should specify the 80 * ;use_first_pass option for all modules that require access to the 81 * authentication token, to make sure they use =PAM_AUTHTOK rather than 82 * try to query the user. 83 * 84 * >openpam_ttyconv 85 * >pam_prompt 86 * >pam_set_item 87 * >pam_vprompt 88 */ 89