1 /* $NetBSD: pam_setcred.c,v 1.3 2017/05/06 19:50:10 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 5 * Copyright (c) 2004-2017 Dag-Erling Smørgrav 6 * All rights reserved. 7 * 8 * This software was developed for the FreeBSD Project by ThinkSec AS and 9 * Network Associates Laboratories, the Security Research Division of 10 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 11 * ("CBOSS"), as part of the DARPA CHATS research program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. The name of the author may not be used to endorse or promote 22 * products derived from this software without specific prior written 23 * permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $OpenPAM: pam_setcred.c 938 2017-04-30 21:34:42Z des $ 38 */ 39 40 #ifdef HAVE_CONFIG_H 41 # include "config.h" 42 #endif 43 44 #include <sys/cdefs.h> 45 __RCSID("$NetBSD: pam_setcred.c,v 1.3 2017/05/06 19:50:10 christos Exp $"); 46 47 #include <sys/param.h> 48 49 #include <security/pam_appl.h> 50 51 #include "openpam_impl.h" 52 53 /* 54 * XSSO 4.2.1 55 * XSSO 6 page 57 56 * 57 * Modify / delete user credentials for an authentication service 58 */ 59 60 int 61 pam_setcred(pam_handle_t *pamh, 62 int flags) 63 { 64 int r; 65 66 ENTER(); 67 if (flags & ~(PAM_SILENT|PAM_ESTABLISH_CRED|PAM_DELETE_CRED| 68 PAM_REINITIALIZE_CRED|PAM_REFRESH_CRED)) 69 RETURNC(PAM_BAD_CONSTANT); 70 /* XXX enforce exclusivity */ 71 r = openpam_dispatch(pamh, PAM_SM_SETCRED, flags); 72 RETURNC(r); 73 } 74 75 /* 76 * Error codes: 77 * 78 * =openpam_dispatch 79 * =pam_sm_setcred 80 * !PAM_IGNORE 81 * PAM_BAD_CONSTANT 82 */ 83 84 /** 85 * The =pam_setcred function manages the application's credentials. 86 * 87 * The =flags argument is the binary or of zero or more of the following 88 * values: 89 * 90 * =PAM_SILENT: 91 * Do not emit any messages. 92 * =PAM_ESTABLISH_CRED: 93 * Establish the credentials of the target user. 94 * =PAM_DELETE_CRED: 95 * Revoke all established credentials. 96 * =PAM_REINITIALIZE_CRED: 97 * Fully reinitialise credentials. 98 * =PAM_REFRESH_CRED: 99 * Refresh credentials. 100 * 101 * The latter four are mutually exclusive. 102 * 103 * If any other bits are set, =pam_setcred will return =PAM_BAD_CONSTANT. 104 */ 105