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/*
Unix SMB/CIFS implementation.
SMB parameters and setup
Copyright (C) Andrew Tridgell 1992-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
Copyright (C) Paul Ashton 1997
Copyright (C) Jeremy Allison 2000-2004
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 _REG_PARSE_PRS_H_
#define _REG_PARSE_PRS_H_
#define prs_init_empty( _ps_, _ctx_, _io_ ) (void) prs_init((_ps_), 0, (_ctx_), (_io_))
typedef struct _prs_struct {
bool io; /* parsing in or out of data stream */
/*
* If the (incoming) data is big-endian. On output we are
* always little-endian.
*/
bool bigendian_data;
uint8_t align; /* data alignment */
bool is_dynamic; /* Do we own this memory or not ? */
uint32_t data_offset; /* Current working offset into data. */
uint32_t buffer_size; /* Current allocated size of the buffer. */
uint32_t grow_size; /* size requested via prs_grow() calls */
/* The buffer itself. If "is_dynamic" is true this
* MUST BE TALLOC'ed off mem_ctx. */
char *data_p;
TALLOC_CTX *mem_ctx; /* When unmarshalling, use this.... */
} prs_struct;
/*
* Defines for io member of prs_struct.
*/
#define MARSHALL 0
#define UNMARSHALL 1
#define MARSHALLING(ps) (!(ps)->io)
#define UNMARSHALLING(ps) ((ps)->io)
#define RPC_PARSE_ALIGN 4
void prs_debug(prs_struct *ps, int depth, const char *desc, const char *fn_name);
bool prs_init(prs_struct *ps, uint32_t size, TALLOC_CTX *ctx, bool io);
void prs_mem_free(prs_struct *ps);
char *prs_alloc_mem_(prs_struct *ps, size_t size, unsigned int count);
char *prs_alloc_mem(prs_struct *ps, size_t size, unsigned int count);
TALLOC_CTX *prs_get_mem_context(prs_struct *ps);
bool prs_grow(prs_struct *ps, uint32_t extra_space);
char *prs_data_p(prs_struct *ps);
uint32_t prs_data_size(prs_struct *ps);
uint32_t prs_offset(prs_struct *ps);
bool prs_set_offset(prs_struct *ps, uint32_t offset);
bool prs_copy_data_in(prs_struct *dst, const char *src, uint32_t len);
bool prs_align(prs_struct *ps);
bool prs_align_uint64(prs_struct *ps);
char *prs_mem_get(prs_struct *ps, uint32_t extra_size);
void prs_switch_type(prs_struct *ps, bool io);
bool prs_uint16(const char *name, prs_struct *ps, int depth, uint16_t *data16);
bool prs_uint32(const char *name, prs_struct *ps, int depth, uint32_t *data32);
bool prs_uint64(const char *name, prs_struct *ps, int depth, uint64_t *data64);
bool prs_uint8s(bool charmode, const char *name, prs_struct *ps, int depth, uint8_t *data8s, int len);
#endif
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