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