183 lines
5.2 KiB
C
183 lines
5.2 KiB
C
/*-
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* Copyright (c) 2001 Networks Associates Technology, Inc.
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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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* $P4: //depot/projects/openpam/lib/openpam_impl.h#21 $
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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 const char *_pam_func_name[PAM_NUM_PRIMITIVES];
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extern const char *_pam_sm_func_name[PAM_NUM_PRIMITIVES];
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extern const char *_pam_err_name[PAM_NUM_ERRORS];
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extern const char *_pam_item_name[PAM_NUM_ITEMS];
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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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#define PAM_REQUIRED 1
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#define PAM_REQUISITE 2
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#define PAM_SUFFICIENT 3
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#define PAM_OPTIONAL 4
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#define PAM_BINDING 5
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#define PAM_NUM_CONTROLFLAGS 6
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/*
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* Chains
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*/
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#define PAM_AUTH 0
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#define PAM_ACCOUNT 1
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#define PAM_SESSION 2
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#define PAM_PASSWORD 3
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#define PAM_NUM_CHAINS 4
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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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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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struct pam_handle {
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char *service;
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/* chains */
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pam_chain_t *chains[PAM_NUM_CHAINS];
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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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#ifdef NGROUPS_MAX
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#define PAM_SAVED_CRED "pam_saved_cred"
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struct pam_saved_cred {
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uid_t euid;
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gid_t egid;
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gid_t groups[NGROUPS_MAX];
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int ngroups;
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};
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#endif
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#define PAM_OTHER "other"
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int openpam_configure(pam_handle_t *, const char *);
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int openpam_dispatch(pam_handle_t *, int, int);
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int openpam_findenv(pam_handle_t *, const char *, size_t);
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int openpam_add_module(pam_chain_t **, int, int,
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const char *, int, const char **);
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void openpam_clear_chains(pam_chain_t **);
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#ifdef OPENPAM_STATIC_MODULES
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pam_module_t *openpam_static(const char *);
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#endif
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pam_module_t *openpam_dynamic(const char *);
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#ifdef DEBUG
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#define ENTER() openpam_log(PAM_LOG_DEBUG, "entering")
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#define ENTERI(i) do { \
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if ((i) > 0 && (i) < PAM_NUM_ITEMS) \
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openpam_log(PAM_LOG_DEBUG, "entering: %s", _pam_item_name[i]); \
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else \
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openpam_log(PAM_LOG_DEBUG, "entering: %d", (i)); \
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} while (0);
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#define ENTERN(n) do { \
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openpam_log(PAM_LOG_DEBUG, "entering: %d", (n)); \
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} while (0);
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#define ENTERS(s) do { \
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if ((s) == NULL) \
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openpam_log(PAM_LOG_DEBUG, "entering: NULL"); \
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else \
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openpam_log(PAM_LOG_DEBUG, "entering: '%s'", (s)); \
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} while (0);
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#define RETURNV() openpam_log(PAM_LOG_DEBUG, "returning")
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#define RETURNC(c) do { \
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if ((c) >= 0 && (c) < PAM_NUM_ERRORS) \
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openpam_log(PAM_LOG_DEBUG, "returning %s", _pam_err_name[c]); \
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else \
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openpam_log(PAM_LOG_DEBUG, "returning %d!", (c)); \
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return (c); \
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} while (0)
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#define RETURNN(n) do { \
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openpam_log(PAM_LOG_DEBUG, "returning %d", (n)); \
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return (n); \
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} while (0)
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#define RETURNP(p) do { \
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if ((p) == NULL) \
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openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
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else \
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openpam_log(PAM_LOG_DEBUG, "returning %p", (p)); \
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return (p); \
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} while (0)
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#define RETURNS(s) do { \
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if ((s) == NULL) \
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openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
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else \
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openpam_log(PAM_LOG_DEBUG, "returning '%s'", (s)); \
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return (s); \
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} while (0)
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#else
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#define ENTER()
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#define ENTERI(i)
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#define ENTERN(n)
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#define ENTERS(s)
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#define RETURNV() return
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#define RETURNC(c) return (c)
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#define RETURNN(n) return (n)
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#define RETURNP(p) return (p)
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#define RETURNS(s) return (s)
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#endif
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#endif
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