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/*
* Samba Unix/Linux SMB client library
*
* Copyright (C) Gregor Beck 2010
*
* 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/>.
*/
/**
* @brief Format registration entries (.reg) files.
* A formater is a talloced incarnation of an opaque struct reg_format.
* It is fed with registry key's and value's and emits output by calling
* writeline from its reg_format_callback.
* @file reg_format.h
* @author Gregor Beck <gb@sernet.de>
* @date Sep 2010
*/
#ifndef __REG_FORMAT_H
#define __REG_FORMAT_H
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
struct registry_key;
struct registry_value;
struct regval_blob;
/**
* A Formater for registration entries (.reg) files.
*
* It may be used as a reg_parse_callback, so the following is valid:
* @code
* reg_parse* p = reg_parse_new(mem_ctx,
* (reg_parse_callback)reg_format_new(mem_ctx, cb, NULL, 0, "\\"),
* NULL, 0);
* @endcode
* @see reg_parse
*/
typedef struct reg_format reg_format;
/**
* Prototype for function called to output a line.
*
* @param private_data
* @param line line to write in UNIX charset
*
* @return number of characters written, < 0 on error
*
* @see reg_parse
*/
typedef int (*reg_format_callback_writeline_t)(void* private_data,
const char* line);
/**
* Type handling the output of a reg_format object.
* It containes the functions to call and an opaque data pointer.
*/
typedef struct reg_format_callback {
/**< Function called to write a line */
reg_format_callback_writeline_t writeline;
void* data; /**< Private data passed to callback function */
} reg_format_callback;
/**
* Create a new reg_format object.
*
* @param talloc_ctx the talloc parent
* @param cb the output handler
* @param str_enc the charset of hex encoded strings (REG_MULTI_SZ, REG_EXAND_SZ) if not UTF-16
* @param flags
* @param sep the separator for subkeys
*
* @return a talloc'ed reg_format object, NULL on error
*/
reg_format* reg_format_new(const void* talloc_ctx,
reg_format_callback cb,
const char* str_enc,
unsigned flags,
const char* sep);
/**
* Create a new reg_format object, writing to a file.
*
* @param talloc_ctx the talloc parent
* @param filename the file to write to
* @param options
*
* @return a talloc'ed reg_format object, NULL on error
*/
reg_format* reg_format_file(const void* talloc_ctx,
const char* filename,
const char* options);
/**
* Format a registry key given as struct registry_key.
* Create/Open or Delete
*
* @param f the formater.
* @param key the key to output.
* @param del wheter to format the deletion of the key
*
* @retval >= 0 on success.
*/
int reg_format_registry_key(reg_format* f,
struct registry_key* key,
bool del);
/**
* Format a registry value given as struct registry_value.
*
* @param f the formater.
* @param name the values name
* @param val the values value.
*
* @retval >= 0 on success.
*/
int reg_format_registry_value(reg_format* f,
const char* name,
struct registry_value* val);
/**
* Format a registry value given as struct regval_blob.
*
* @param f the formater.
* @param name the values name, if NULL use val->valname which is limited in size;
* @param val the values value.
*
* @retval >= 0 on success.
*/
int reg_format_regval_blob(reg_format* f,
const char* name,
struct regval_blob* val);
/**
* Format deletion of a registry value.
*
* @param f the formater.
* @param name the values name
*
* @retval >= 0 on success.
*
* @see reg_parse_callback_val_del_t
*/
int reg_format_value_delete(reg_format* f, const char* name);
/**
* Format a comment.
*
* @param f the formater.
* @param txt the comment in UNIX charset, may not contain newlines.
*
* @retval >= 0 on success.
*
* @see reg_parse_callback_comment_t
*/
int reg_format_comment(reg_format* f, const char* txt);
int reg_format_set_options(reg_format* f, const char* options);
/* reg_format flags */
#define REG_FMT_HEX_SZ 1
#define REG_FMT_HEX_DW 2
#define REG_FMT_HEX_BIN 4
#define REG_FMT_HEX_ALL (REG_FMT_HEX_SZ | REG_FMT_HEX_DW | REG_FMT_HEX_BIN);
#define REG_FMT_LONG_HIVES 16
#define REG_FMT_SHORT_HIVES 32
/* lowlevel */
/**
* Format a registry key.
* Create/Open or Delete
*
* @param f the formater
* @param key the key to output
* @param klen number of elements in key
* @param del wheter to format the deletion of the key
*
* @retval >= 0 on success.
*
* @see reg_parse_callback_key_t
*/
int reg_format_key(reg_format* f,
const char* key[], size_t klen,
bool del);
/**
* Format a registry value.
*
* @param f the formater
* @param name the values name
* @param type the values type
* @param data the values value
* @param len the number of bytes of data
*
* @retval >= 0 on success.
*
* @see reg_parse_callback_val_hex_t
*/
int reg_format_value(reg_format* f,
const char* name, uint32_t type,
const uint8_t* data, size_t len);
#endif /* __REG_FORMAT_H */
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