ootp/urd/pw.h

88 lines
3.2 KiB
C

/*
* Copyright (c) 2009 Mark Fullmer
* Copyright (c) 2009 Mark Fullmer and the Ohio State University
* All rights reserved.
*
* 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.
*
* 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: pw.h 155 2011-04-06 02:25:43Z maf $
*/
#include <sys/stat.h>
#include <sys/types.h>
#include <inttypes.h>
#include "queue.h"
#define PASS_DB_STATE_NONE 0
#define PASS_DB_STATE_RELOAD 1
#define PASS_DB_STATE_LOADED 2
#define PASS_DB_ENTRY_INACTIVE 0
#define PASS_DB_ENTRY_ACTIVE 1
#define PASS_DB_TYPE_LOCAL 1
#define PASS_DB_TYPE_EX_LOCAL 2 /* ignore authorized_users */
#define PASS_DB_TYPE_PAM 3
#define PASS_DB_TYPE_EX_PAM 4 /* ignore authorized_users */
#define PASS_DB_AUTH_SUCCESS 0
#define PASS_DB_AUTH_FAIL 1
#define PASS_DB_AUTH_ERROR -1
#define PASS_DB_USER_NAME_LEN 32 /* max length of user_name */
#define PASS_DB_USER_HASH_LEN 32 /* max length of user_pass */
#define PASS_DB_HASH_BUCKET_BITS 16 /* number of hash buckets */
struct pass_db_ctx {
struct stat pw_sb;
struct stat au_sb;
int state;
int type;
char *loc; /* password filename or PAM service name */
char *au_fname; /* authorized users filename */
uint num_entries;
struct pass_db_entry *pw_entries;
SLIST_HEAD(pass_db_head, pass_db_entry) bucket[1<<PASS_DB_HASH_BUCKET_BITS];
int debug;
};
struct pass_db_entry {
SLIST_ENTRY(pass_db_entry) chain;
int status;
uint u_name_len;
uint u_hash_len;
char u_name[PASS_DB_USER_NAME_LEN+1];
char u_hash[PASS_DB_USER_HASH_LEN+1];
};
struct pass_db_ctx *pass_db_ctx_new(char *loc, char *au_fname, int type);
void pass_db_ctx_free(struct pass_db_ctx *pdbctx);
int pass_db_auth(struct pass_db_ctx *pdbctx, char *user_name, char *user_pass);
int pass_db_load(struct pass_db_ctx *pdbctx);
void pass_db_reload(struct pass_db_ctx *pdbctx);
void pass_db_debug(struct pass_db_ctx *pdbctx, int debug);
struct pass_db_entry *pass_db_u_name_lookup(struct pass_db_ctx *pdbctx,
char *u_name, int u_name_len);
void pass_db_stats(struct pass_db_ctx *pdbctx);