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/*-
* Copyright 2017 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RSPAMD_MILTER_INTERNAL_H
#define RSPAMD_MILTER_INTERNAL_H
#include "config.h"
#include <event.h>
enum rspamd_milter_state {
st_len_1 = 0,
st_len_2,
st_len_3,
st_len_4,
st_read_cmd,
st_read_data
};
struct rspamd_milter_parser {
rspamd_fstring_t *buf;
goffset pos;
gsize datalen;
enum rspamd_milter_state state;
gchar cur_cmd;
};
struct rspamd_milter_outbuf {
rspamd_fstring_t *buf;
goffset pos;
struct rspamd_milter_outbuf *next, *prev;
};
enum rspamd_milter_io_state {
RSPAMD_MILTER_READ_MORE,
RSPAMD_MILTER_PROCESS_DATA,
RSPAMD_MILTER_WRITE_REPLY,
RSPAMD_MILTER_WANNA_DIE
};
struct rspamd_milter_private {
struct rspamd_milter_parser parser;
struct rspamd_milter_outbuf *out_chain;
struct event ev;
struct timeval tv;
struct timeval *ptv;
struct event_base *ev_base;
rspamd_milter_finish fin_cb;
rspamd_milter_error err_cb;
void *ud;
enum rspamd_milter_io_state state;
int fd;
};
enum rspamd_milter_io_cmd {
RSPAMD_MILTER_CMD_ABORT = 'A', /* Abort */
RSPAMD_MILTER_CMD_BODY = 'B', /* Body chunk */
RSPAMD_MILTER_CMD_CONNECT = 'C', /* Connection information */
RSPAMD_MILTER_CMD_MACRO = 'D', /* Define macro */
RSPAMD_MILTER_CMD_BODYEOB = 'E', /* final body chunk (end of message) */
RSPAMD_MILTER_CMD_HELO = 'H', /* HELO/EHLO */
RSPAMD_MILTER_CMD_QUIT_NC = 'K', /* QUIT but new connection follows */
RSPAMD_MILTER_CMD_HEADER = 'L', /* Header */
RSPAMD_MILTER_CMD_MAIL = 'M', /* MAIL from */
RSPAMD_MILTER_CMD_EOH = 'N', /* EOH */
RSPAMD_MILTER_CMD_OPTNEG = 'O', /* Option negotiation */
RSPAMD_MILTER_CMD_QUIT = 'Q', /* QUIT */
RSPAMD_MILTER_CMD_RCPT = 'R', /* RCPT to */
RSPAMD_MILTER_CMD_DATA = 'T', /* DATA */
RSPAMD_MILTER_CMD_UNKNOWN = 'U' /* Any unknown command */
};
#endif
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