c399daf6d0
pam_end() already contains a NULL check, and it is not unreasonable to call it with a NULL pamh in a cleanup / error-handling situation. Remove OPENPAM_NONNULL, which may cause gcc to optimize away the NULL check. This fixes a potential NULL pointer dereference in error-handling code in passwd(1).
198 lines
4.9 KiB
C
198 lines
4.9 KiB
C
/*-
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* Copyright (c) 2002-2003 Networks Associates Technology, Inc.
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* Copyright (c) 2004-2007 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by ThinkSec AS and
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* Network Associates Laboratories, the Security Research Division of
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* Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
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* ("CBOSS"), as part of the DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: pam_appl.h 408 2007-12-21 11:36:24Z des $
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*/
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#ifndef SECURITY_PAM_APPL_H_INCLUDED
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#define SECURITY_PAM_APPL_H_INCLUDED
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#include <security/pam_types.h>
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#include <security/pam_constants.h>
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#include <security/openpam_attr.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* XSSO 4.2.1, 6
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*/
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int
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pam_acct_mgmt(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_authenticate(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_chauthtok(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_close_session(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_end(pam_handle_t *_pamh,
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int _status);
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int
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pam_get_data(const pam_handle_t *_pamh,
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const char *_module_data_name,
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const void **_data)
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OPENPAM_NONNULL((1,2,3));
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int
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pam_get_item(const pam_handle_t *_pamh,
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int _item_type,
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const void **_item)
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OPENPAM_NONNULL((1,3));
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int
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pam_get_user(pam_handle_t *_pamh,
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const char **_user,
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const char *_prompt)
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OPENPAM_NONNULL((1,2));
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const char *
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pam_getenv(pam_handle_t *_pamh,
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const char *_name)
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OPENPAM_NONNULL((1,2));
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char **
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pam_getenvlist(pam_handle_t *_pamh)
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OPENPAM_NONNULL((1));
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int
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pam_open_session(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_putenv(pam_handle_t *_pamh,
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const char *_namevalue)
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OPENPAM_NONNULL((1,2));
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int
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pam_set_data(pam_handle_t *_pamh,
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const char *_module_data_name,
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void *_data,
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void (*_cleanup)(pam_handle_t *_pamh,
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void *_data,
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int _pam_end_status))
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OPENPAM_NONNULL((1,2));
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int
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pam_set_item(pam_handle_t *_pamh,
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int _item_type,
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const void *_item)
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OPENPAM_NONNULL((1));
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int
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pam_setcred(pam_handle_t *_pamh,
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int _flags)
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OPENPAM_NONNULL((1));
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int
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pam_start(const char *_service,
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const char *_user,
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const struct pam_conv *_pam_conv,
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pam_handle_t **_pamh)
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OPENPAM_NONNULL((4));
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const char *
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pam_strerror(const pam_handle_t *_pamh,
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int _error_number);
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/*
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* Single Sign-On extensions
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*/
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#if 0
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int
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pam_authenticate_secondary(pam_handle_t *_pamh,
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char *_target_username,
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char *_target_module_type,
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char *_target_authn_domain,
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char *_target_supp_data,
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char *_target_module_authtok,
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int _flags);
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int
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pam_get_mapped_authtok(pam_handle_t *_pamh,
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const char *_target_module_username,
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const char *_target_module_type,
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const char *_target_authn_domain,
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size_t *_target_authtok_len,
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unsigned char **_target_module_authtok);
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int
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pam_get_mapped_username(pam_handle_t *_pamh,
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const char *_src_username,
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const char *_src_module_type,
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const char *_src_authn_domain,
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const char *_target_module_type,
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const char *_target_authn_domain,
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char **_target_module_username);
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int
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pam_set_mapped_authtok(pam_handle_t *_pamh,
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const char *_target_module_username,
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size_t _target_authtok_len,
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unsigned char *_target_module_authtok,
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const char *_target_module_type,
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const char *_target_authn_domain);
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int
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pam_set_mapped_username(pam_handle_t *_pamh,
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char *_src_username,
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char *_src_module_type,
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char *_src_authn_domain,
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char *_target_module_username,
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char *_target_module_type,
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char *_target_authn_domain);
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#endif /* 0 */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !SECURITY_PAM_APPL_H_INCLUDED */
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