freebsd-nq/contrib/openpam/lib/openpam_impl.h

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/*-
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* Copyright (c) 2001 Networks Associates Technology, Inc.
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* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
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* 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.
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*
* 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.
*
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* $P4: //depot/projects/openpam/lib/openpam_impl.h#21 $
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*/
#ifndef _OPENPAM_IMPL_H_INCLUDED
#define _OPENPAM_IMPL_H_INCLUDED
#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];
extern const char *_pam_item_name[PAM_NUM_ITEMS];
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extern int _openpam_debug;
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/*
* Control flags
*/
#define PAM_REQUIRED 1
#define PAM_REQUISITE 2
#define PAM_SUFFICIENT 3
#define PAM_OPTIONAL 4
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#define PAM_BINDING 5
#define PAM_NUM_CONTROLFLAGS 6
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/*
* Chains
*/
#define PAM_AUTH 0
#define PAM_ACCOUNT 1
#define PAM_SESSION 2
#define PAM_PASSWORD 3
#define PAM_NUM_CHAINS 4
typedef struct pam_chain pam_chain_t;
struct pam_chain {
pam_module_t *module;
int flag;
int optc;
char **optv;
pam_chain_t *next;
};
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;
};
struct pam_handle {
char *service;
/* chains */
pam_chain_t *chains[PAM_NUM_CHAINS];
pam_chain_t *current;
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int primitive;
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/* items and data */
void *item[PAM_NUM_ITEMS];
pam_data_t *module_data;
/* environment list */
char **env;
int env_count;
int env_size;
};
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#ifdef NGROUPS_MAX
#define PAM_SAVED_CRED "pam_saved_cred"
struct pam_saved_cred {
uid_t euid;
gid_t egid;
gid_t groups[NGROUPS_MAX];
int ngroups;
};
#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);
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
pam_module_t *openpam_static(const char *);
#endif
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pam_module_t *openpam_dynamic(const char *);
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#ifdef DEBUG
#define ENTER() openpam_log(PAM_LOG_DEBUG, "entering")
#define ENTERI(i) do { \
if ((i) > 0 && (i) < PAM_NUM_ITEMS) \
openpam_log(PAM_LOG_DEBUG, "entering: %s", _pam_item_name[i]); \
else \
openpam_log(PAM_LOG_DEBUG, "entering: %d", (i)); \
} while (0);
#define ENTERN(n) do { \
openpam_log(PAM_LOG_DEBUG, "entering: %d", (n)); \
} while (0);
#define ENTERS(s) do { \
if ((s) == NULL) \
openpam_log(PAM_LOG_DEBUG, "entering: NULL"); \
else \
openpam_log(PAM_LOG_DEBUG, "entering: '%s'", (s)); \
} while (0);
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#define RETURNV() openpam_log(PAM_LOG_DEBUG, "returning")
#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]); \
else \
openpam_log(PAM_LOG_DEBUG, "returning %d!", (c)); \
return (c); \
} while (0)
#define RETURNN(n) do { \
openpam_log(PAM_LOG_DEBUG, "returning %d", (n)); \
return (n); \
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} while (0)
#define RETURNP(p) do { \
if ((p) == NULL) \
openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
else \
openpam_log(PAM_LOG_DEBUG, "returning %p", (p)); \
return (p); \
} while (0)
#define RETURNS(s) do { \
if ((s) == NULL) \
openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
else \
openpam_log(PAM_LOG_DEBUG, "returning '%s'", (s)); \
return (s); \
} while (0)
#else
#define ENTER()
#define ENTERI(i)
#define ENTERN(n)
#define ENTERS(s)
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#define RETURNV() return
#define RETURNC(c) return (c)
#define RETURNN(n) return (n)
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#define RETURNP(p) return (p)
#define RETURNS(s) return (s)
#endif
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#endif