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/*-
* Copyright (c) 2001-2003 Networks Associates Technology, Inc.
* Copyright (c) 2004-2011 Dag-Erling Smørgrav
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* Network Associates Laboratories, the Security Research Division of
* Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
* ("CBOSS"), as part of the DARPA CHATS research program.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: openpam_impl.h 648 2013-03-05 17:54:27Z des $
*/
#ifndef OPENPAM_IMPL_H_INCLUDED
#define OPENPAM_IMPL_H_INCLUDED
#include <security/openpam.h>
extern int openpam_debug;
/*
* Control flags
*/
typedef enum {
PAM_BINDING,
PAM_REQUIRED,
PAM_REQUISITE,
PAM_SUFFICIENT,
PAM_OPTIONAL,
PAM_NUM_CONTROL_FLAGS
} pam_control_t;
/*
* Facilities
*/
typedef enum {
PAM_FACILITY_ANY = -1,
PAM_AUTH = 0,
PAM_ACCOUNT,
PAM_SESSION,
PAM_PASSWORD,
PAM_NUM_FACILITIES
} pam_facility_t;
/*
* Module chains
*/
typedef struct pam_chain pam_chain_t;
struct pam_chain {
pam_module_t *module;
int flag;
int optc;
char **optv;
pam_chain_t *next;
};
/*
* Service policies
*/
#if defined(OPENPAM_EMBEDDED)
typedef struct pam_policy pam_policy_t;
struct pam_policy {
const char *service;
pam_chain_t *chains[PAM_NUM_FACILITIES];
};
extern pam_policy_t *pam_embedded_policies[];
#endif
/*
* Module-specific data
*/
typedef struct pam_data pam_data_t;
struct pam_data {
char *name;
void *data;
void (*cleanup)(pam_handle_t *, void *, int);
pam_data_t *next;
};
/*
* PAM context
*/
struct pam_handle {
char *service;
/* chains */
pam_chain_t *chains[PAM_NUM_FACILITIES];
pam_chain_t *current;
int primitive;
/* items and data */
void *item[PAM_NUM_ITEMS];
pam_data_t *module_data;
/* environment list */
char **env;
int env_count;
int env_size;
};
/*
* Default policy
*/
#define PAM_OTHER "other"
/*
* Internal functions
*/
int openpam_configure(pam_handle_t *, const char *);
int openpam_dispatch(pam_handle_t *, int, int);
int openpam_findenv(pam_handle_t *, const char *, size_t);
pam_module_t *openpam_load_module(const char *);
void openpam_clear_chains(pam_chain_t **);
int openpam_check_desc_owner_perms(const char *, int);
int openpam_check_path_owner_perms(const char *);
#ifdef OPENPAM_STATIC_MODULES
pam_module_t *openpam_static(const char *);
#endif
pam_module_t *openpam_dynamic(const char *);
#define FREE(p) \
do { \
free(p); \
(p) = NULL; \
} while (0)
#define FREEV(c, v) \
do { \
while (c) { \
--(c); \
FREE((v)[(c)]); \
} \
FREE(v); \
} while (0)
#include "openpam_constants.h"
#include "openpam_debug.h"
#include "openpam_features.h"
#endif
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