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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2015 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SSS_COLONDB_H_
#define _SSS_COLONDB_H_
#include <stdlib.h>
#include <stdint.h>
#include <errno.h>
#include <talloc.h>
struct sss_colondb;
enum sss_colondb_mode {
SSS_COLONDB_READ,
SSS_COLONDB_WRITE
};
enum sss_colondb_type {
SSS_COLONDB_UINT32,
SSS_COLONDB_STRING,
SSS_COLONDB_SENTINEL
};
union sss_colondb_write_data {
uint32_t uint32;
const char *str;
};
union sss_colondb_read_data {
uint32_t *uint32;
const char **str;
};
struct sss_colondb_write_field {
enum sss_colondb_type type;
union sss_colondb_write_data data;
};
struct sss_colondb_read_field {
enum sss_colondb_type type;
union sss_colondb_read_data data;
};
/**
* Open colon DB and return connection.
* @param[in|out] mem_ctx Memory context. Internal sss_colondb_close() is set
* on destructor of this memory context.
* @param[in] mode Open mode of db: SSS_COLONDB_READ or SSS_COLONDB_WRITE.
* @param[in] filename Name of file.
* @return Pointer to structure holding DB connection, or NULL if fail.
*/
struct sss_colondb *sss_colondb_open(TALLOC_CTX *mem_ctx,
enum sss_colondb_mode mode,
const char *filename);
/**
* Read line from colon DB.
* @param[in|out] mem_ctx Memory context.
* @param[in] db Pointer to structure holding DB connection.
* @param[in|out] table Array of expected structure of line. It is expected
* that last item has SSS_COLONDB_SENTINEL type.
* @return EOK if success, else error code.
*/
errno_t sss_colondb_readline(TALLOC_CTX *mem_ctx,
struct sss_colondb *db,
struct sss_colondb_read_field *table);
/**
* Write line to colon DB.
* @param[in] db Pointer to structure holding DB connection.
* @param[in] table Array with data. It is expected that last item has
* SSS_COLONDB_SENTINEL type.
* @return EOK if success, else error code.
*/
errno_t sss_colondb_writeline(struct sss_colondb *db,
struct sss_colondb_write_field *table);
#endif /* _SSS_COLONDB_H_ */
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