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187 lines
5.7 KiB
C
187 lines
5.7 KiB
C
/* assuan.c - Definitions for the Assuna protocol
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* Copyright (C) 2001 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* 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_H
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#define ASSUAN_H
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#include <stdio.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#if 0
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}
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#endif
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#endif
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typedef enum {
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ASSUAN_No_Error = 0,
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ASSUAN_General_Error = 1,
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ASSUAN_Out_Of_Core = 2,
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ASSUAN_Invalid_Value = 3,
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ASSUAN_Timeout = 4,
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ASSUAN_Read_Error = 5,
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ASSUAN_Write_Error = 6,
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ASSUAN_Problem_Starting_Server = 7,
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ASSUAN_Not_A_Server = 8,
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ASSUAN_Not_A_Client = 9,
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ASSUAN_Nested_Commands = 10,
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ASSUAN_Invalid_Response = 11,
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ASSUAN_No_Data_Callback = 12,
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ASSUAN_No_Inquire_Callback = 13,
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/* error codes above 99 are meant as status codes */
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ASSUAN_Not_Implemented = 100,
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ASSUAN_Server_Fault = 101,
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ASSUAN_Invalid_Command = 102,
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ASSUAN_Unknown_Command = 103,
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ASSUAN_Syntax_Error = 104,
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ASSUAN_Parameter_Error = 105,
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ASSUAN_Parameter_Conflict = 106,
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ASSUAN_Line_Too_Long = 107,
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ASSUAN_Line_Not_Terminated = 108,
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ASSUAN_No_Input = 109,
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ASSUAN_No_Output = 110,
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ASSUAN_Canceled = 111,
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ASSUAN_Unsupported_Algorithm = 112,
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ASSUAN_Server_Resource_Problem = 113,
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ASSUAN_Server_IO_Error = 114,
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ASSUAN_Server_Bug = 115,
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ASSUAN_No_Data_Available = 116,
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ASSUAN_Invalid_Data = 117,
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ASSUAN_Unexpected_Command = 118,
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ASSUAN_Too_Much_Data = 119,
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ASSUAN_Bad_Certificate = 201,
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ASSUAN_Bad_Certificate_Path = 202,
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ASSUAN_Missing_Certificate = 203,
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ASSUAN_Bad_Signature = 204,
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ASSUAN_No_Agent = 205,
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ASSUAN_Agent_Error = 206,
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ASSUAN_No_Public_Key = 207,
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ASSUAN_No_Secret_Key = 208,
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ASSUAN_Invalid_Name = 209,
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ASSUAN_Cert_Revoked = 301,
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ASSUAN_No_CRL_For_Cert = 302,
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ASSUAN_CRL_Too_Old = 303,
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} AssuanError;
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/* This is a list of pre-registered ASSUAN commands */
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typedef enum {
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ASSUAN_CMD_NOP = 0,
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ASSUAN_CMD_CANCEL, /* cancel the current request */
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ASSUAN_CMD_BYE,
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ASSUAN_CMD_AUTH,
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ASSUAN_CMD_RESET,
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ASSUAN_CMD_DATA,
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ASSUAN_CMD_END,
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ASSUAN_CMD_INPUT,
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ASSUAN_CMD_OUTPUT,
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ASSUAN_CMD_USER = 256 /* Other commands should be used with this offset*/
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} AssuanCommand;
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struct assuan_context_s;
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typedef struct assuan_context_s *ASSUAN_CONTEXT;
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/*-- assuan-handler.c --*/
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int assuan_register_command (ASSUAN_CONTEXT ctx,
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int cmd_id, const char *cmd_string,
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int (*handler)(ASSUAN_CONTEXT, char *));
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int assuan_register_bye_notify (ASSUAN_CONTEXT ctx,
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void (*fnc)(ASSUAN_CONTEXT));
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int assuan_register_reset_notify (ASSUAN_CONTEXT ctx,
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void (*fnc)(ASSUAN_CONTEXT));
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int assuan_register_cancel_notify (ASSUAN_CONTEXT ctx,
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void (*fnc)(ASSUAN_CONTEXT));
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int assuan_register_input_notify (ASSUAN_CONTEXT ctx,
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void (*fnc)(ASSUAN_CONTEXT, const char *));
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int assuan_register_output_notify (ASSUAN_CONTEXT ctx,
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void (*fnc)(ASSUAN_CONTEXT, const char *));
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int assuan_process (ASSUAN_CONTEXT ctx);
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int assuan_process_next (ASSUAN_CONTEXT ctx);
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int assuan_get_active_fds (ASSUAN_CONTEXT ctx, int what,
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int *fdarray, int fdarraysize);
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FILE *assuan_get_data_fp (ASSUAN_CONTEXT ctx);
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void assuan_write_status (ASSUAN_CONTEXT ctx,
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const char *keyword, const char *text);
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/*-- assuan-listen.c --*/
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int assuan_accept (ASSUAN_CONTEXT ctx);
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int assuan_get_input_fd (ASSUAN_CONTEXT ctx);
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int assuan_get_output_fd (ASSUAN_CONTEXT ctx);
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/*-- assuan-pipe-server.c --*/
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int assuan_init_pipe_server (ASSUAN_CONTEXT *r_ctx, int filedes[2]);
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void assuan_deinit_pipe_server (ASSUAN_CONTEXT ctx);
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/*-- assuan-connect.c --*/
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AssuanError assuan_pipe_connect (ASSUAN_CONTEXT *ctx, const char *name,
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char *const argv[]);
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void assuan_pipe_disconnect (ASSUAN_CONTEXT ctx);
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pid_t assuan_get_pid (ASSUAN_CONTEXT ctx);
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/*-- assuan-client.c --*/
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AssuanError
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assuan_transact (ASSUAN_CONTEXT ctx,
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const char *command,
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AssuanError (*data_cb)(void *, const void *, size_t),
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void *data_cb_arg,
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AssuanError (*inquire_cb)(void*, const char *),
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void *inquire_cb_arg);
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/*-- assuan-inquire.c --*/
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AssuanError assuan_inquire (ASSUAN_CONTEXT ctx, const char *keyword,
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char **r_buffer, size_t *r_length, size_t maxlen);
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/*-- assuan-buffer.c --*/
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AssuanError assuan_send_data (ASSUAN_CONTEXT ctx,
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const void *buffer, size_t length);
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/*-- assuan-util.c --*/
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void assuan_set_malloc_hooks ( void *(*new_alloc_func)(size_t n),
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void *(*new_realloc_func)(void *p, size_t n),
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void (*new_free_func)(void*) );
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int assuan_set_error (ASSUAN_CONTEXT ctx, int err, const char *text);
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void assuan_set_pointer (ASSUAN_CONTEXT ctx, void *pointer);
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void *assuan_get_pointer (ASSUAN_CONTEXT ctx);
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/*-- assuan-errors.c (built) --*/
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const char *assuan_strerror (AssuanError err);
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#ifdef __cplusplus
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}
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#endif
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#endif /*ASSUAN_H*/
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