174 lines
4.2 KiB
C
174 lines
4.2 KiB
C
/*-
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* Copyright (c) 2001-2003 Networks Associates Technology, Inc.
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* Copyright (c) 2004-2017 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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#ifndef OPENPAM_IMPL_H_INCLUDED
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#define OPENPAM_IMPL_H_INCLUDED
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#include <security/openpam.h>
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extern int openpam_debug;
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/*
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* Control flags
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*/
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typedef enum {
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PAM_BINDING,
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PAM_REQUIRED,
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PAM_REQUISITE,
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PAM_SUFFICIENT,
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PAM_OPTIONAL,
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PAM_NUM_CONTROL_FLAGS
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} pam_control_t;
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/*
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* Facilities
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*/
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typedef enum {
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PAM_FACILITY_ANY = -1,
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PAM_AUTH = 0,
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PAM_ACCOUNT,
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PAM_SESSION,
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PAM_PASSWORD,
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PAM_NUM_FACILITIES
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} pam_facility_t;
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/*
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* Module chains
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*/
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typedef struct pam_chain pam_chain_t;
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struct pam_chain {
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pam_module_t *module;
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int flag;
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int optc;
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char **optv;
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pam_chain_t *next;
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};
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/*
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* Service policies
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*/
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#if defined(OPENPAM_EMBEDDED)
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typedef struct pam_policy pam_policy_t;
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struct pam_policy {
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const char *service;
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pam_chain_t *chains[PAM_NUM_FACILITIES];
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};
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extern pam_policy_t *pam_embedded_policies[];
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#endif
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/*
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* Module-specific data
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*/
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typedef struct pam_data pam_data_t;
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struct pam_data {
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char *name;
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void *data;
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void (*cleanup)(pam_handle_t *, void *, int);
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pam_data_t *next;
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};
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/*
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* PAM context
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*/
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struct pam_handle {
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char *service;
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/* chains */
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pam_chain_t *chains[PAM_NUM_FACILITIES];
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pam_chain_t *current;
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int primitive;
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/* items and data */
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void *item[PAM_NUM_ITEMS];
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pam_data_t *module_data;
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/* environment list */
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char **env;
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int env_count;
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int env_size;
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};
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/*
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* Default policy
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*/
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#define PAM_OTHER "other"
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/*
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* Internal functions
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*/
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int openpam_configure(pam_handle_t *, const char *)
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OPENPAM_NONNULL((1));
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int openpam_dispatch(pam_handle_t *, int, int)
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OPENPAM_NONNULL((1));
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int openpam_findenv(pam_handle_t *, const char *, size_t)
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OPENPAM_NONNULL((1,2));
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pam_module_t *openpam_load_module(const char *)
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OPENPAM_NONNULL((1));
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void openpam_clear_chains(pam_chain_t **)
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OPENPAM_NONNULL((1));
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int openpam_check_desc_owner_perms(const char *, int)
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OPENPAM_NONNULL((1));
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int openpam_check_path_owner_perms(const char *)
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OPENPAM_NONNULL((1));
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#ifdef OPENPAM_STATIC_MODULES
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pam_module_t *openpam_static(const char *)
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OPENPAM_NONNULL((1));
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#endif
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pam_module_t *openpam_dynamic(const char *)
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OPENPAM_NONNULL((1));
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#define FREE(p) \
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do { \
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free(p); \
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(p) = NULL; \
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} while (0)
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#define FREEV(c, v) \
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do { \
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if ((v) != NULL) { \
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while ((c)-- > 0) \
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FREE((v)[(c)]); \
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FREE(v); \
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} \
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} while (0)
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#include "openpam_constants.h"
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#include "openpam_debug.h"
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#include "openpam_features.h"
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#endif
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