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assuan-defs.h
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/* assuan-defs.c - Internal definitions to Assuan
* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
*
* This file is part of Assuan.
*
* Assuan is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Assuan 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef ASSUAN_DEFS_H
#define ASSUAN_DEFS_H
#include <sys/types.h>
#include "assuan.h"
#define LINELENGTH ASSUAN_LINELENGTH
struct cmdtbl_s {
const char *name;
int cmd_id;
int (*handler)(ASSUAN_CONTEXT, char *line);
};
struct assuan_context_s {
AssuanError err_no;
const char *err_str;
int os_errno; /* last system error number used with certain error codes*/
int confidential;
int is_server; /* set if this is context belongs to a server */
int in_inquire;
char *hello_line;
char *okay_line; /* see assan_set_okay_line() */
void *user_pointer; /* for assuan_[gs]et_pointer () */
FILE *log_fp;
struct {
int fd;
int eof;
char line[LINELENGTH];
int linelen; /* w/o CR, LF - might not be the same as
strlen(line) due to embedded nuls. However a nul
is always written at this pos */
struct {
char line[LINELENGTH];
int linelen ;
int pending; /* i.e. at least one line is available in the attic */
} attic;
} inbound;
struct {
int fd;
struct {
FILE *fp;
char line[LINELENGTH];
int linelen;
int error;
} data;
} outbound;
int pipe_mode; /* We are in pipe mode, i.e. we can handle just one
connection and must terminate then */
pid_t pid; /* In pipe mode, the pid of the child server process.
In socket mode, the pid of the server */
int listen_fd; /* The fd we are listening on (used by socket servers) */
int connected_fd; /* helper */
pid_t client_pid; /* for a socket server the PID of the client or -1
if not available */
void (*deinit_handler)(ASSUAN_CONTEXT);
int (*accept_handler)(ASSUAN_CONTEXT);
int (*finish_handler)(ASSUAN_CONTEXT);
struct cmdtbl_s *cmdtbl;
size_t cmdtbl_used; /* used entries */
size_t cmdtbl_size; /* allocated size of table */
void (*bye_notify_fnc)(ASSUAN_CONTEXT);
void (*reset_notify_fnc)(ASSUAN_CONTEXT);
void (*cancel_notify_fnc)(ASSUAN_CONTEXT);
int (*option_handler_fnc)(ASSUAN_CONTEXT,const char*, const char*);
void (*input_notify_fnc)(ASSUAN_CONTEXT, const char *);
void (*output_notify_fnc)(ASSUAN_CONTEXT, const char *);
int input_fd; /* set by INPUT command */
int output_fd; /* set by OUTPUT command */
};
/*-- assuan-pipe-server.c --*/
int _assuan_new_context (ASSUAN_CONTEXT *r_ctx);
void _assuan_release_context (ASSUAN_CONTEXT ctx);
/*-- assuan-handler.c --*/
int _assuan_register_std_commands (ASSUAN_CONTEXT ctx);
/*-- assuan-buffer.c --*/
int _assuan_read_line (ASSUAN_CONTEXT ctx);
int _assuan_cookie_write_data (void *cookie, const char *buffer, size_t size);
int _assuan_cookie_write_flush (void *cookie);
/*-- assuan-client.c --*/
AssuanError _assuan_read_from_server (ASSUAN_CONTEXT ctx, int *okay, int *off);
/*-- assuan-util.c --*/
extern ssize_t (*_assuan_read_wrapper)(int,void*,size_t);
extern ssize_t (*_assuan_write_wrapper)(int,const void*,size_t);
void *_assuan_malloc (size_t n);
void *_assuan_calloc (size_t n, size_t m);
void *_assuan_realloc (void *p, size_t n);
void _assuan_free (void *p);
#define xtrymalloc(a) _assuan_malloc ((a))
#define xtrycalloc(a,b) _assuan_calloc ((a),(b))
#define xtryrealloc(a,b) _assuan_realloc((a),(b))
#define xfree(a) _assuan_free ((a))
#define set_error(c,e,t) assuan_set_error ((c), ASSUAN_ ## e, (t))
void _assuan_log_print_buffer (FILE *fp, const void *buffer, size_t length);
void _assuan_log_sanitized_string (const char *string);
#endif /*ASSUAN_DEFS_H*/

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