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98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program 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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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Anoop Saldanha <anoopsaldanha@gmail.com>
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*/
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#ifndef __APP_LAYER_SMTP_H__
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#define __APP_LAYER_SMTP_H__
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#include "decode-events.h"
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enum {
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SMTP_DECODER_EVENT_INVALID_REPLY,
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SMTP_DECODER_EVENT_UNABLE_TO_MATCH_REPLY_WITH_REQUEST,
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SMTP_DECODER_EVENT_MAX_COMMAND_LINE_LEN_EXCEEDED,
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SMTP_DECODER_EVENT_MAX_REPLY_LINE_LEN_EXCEEDED,
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SMTP_DECODER_EVENT_INVALID_PIPELINED_SEQUENCE,
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SMTP_DECODER_EVENT_BDAT_CHUNK_LEN_EXCEEDED,
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SMTP_DECODER_EVENT_NO_SERVER_WELCOME_MESSAGE,
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SMTP_DECODER_EVENT_TLS_REJECTED,
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SMTP_DECODER_EVENT_DATA_COMMAND_REJECTED,
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};
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typedef struct SMTPState_ {
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/* current input that is being parsed */
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uint8_t *input;
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int32_t input_len;
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uint8_t direction;
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/* --parser details-- */
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/** current line extracted by the parser from the call to SMTPGetline() */
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uint8_t *current_line;
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/** length of the line in current_line. Doesn't include the delimiter */
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int32_t current_line_len;
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uint8_t current_line_delimiter_len;
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PatternMatcherQueue *thread_local_data;
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/** used to indicate if the current_line buffer is a malloced buffer. We
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* use a malloced buffer, if a line is fragmented */
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uint8_t *tc_db;
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int32_t tc_db_len;
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uint8_t tc_current_line_db;
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/** we have see LF for the currently parsed line */
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uint8_t tc_current_line_lf_seen;
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/** used to indicate if the current_line buffer is a malloced buffer. We
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* use a malloced buffer, if a line is fragmented */
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uint8_t *ts_db;
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int32_t ts_db_len;
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uint8_t ts_current_line_db;
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/** we have see LF for the currently parsed line */
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uint8_t ts_current_line_lf_seen;
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/** var to indicate parser state */
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uint8_t parser_state;
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/** current command in progress */
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uint8_t current_command;
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/** bdat chunk len */
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uint32_t bdat_chunk_len;
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/** bdat chunk idx */
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uint32_t bdat_chunk_idx;
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/* the request commands are store here and the reply handler uses these
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* stored command in the buffer to match the reply(ies) with the command */
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/** the command buffer */
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uint8_t *cmds;
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/** the buffer length */
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uint16_t cmds_buffer_len;
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/** no of commands stored in the above buffer */
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uint16_t cmds_cnt;
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/** index of the command in the buffer, currently in inspection by reply
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* handler */
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uint16_t cmds_idx;
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} SMTPState;
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void RegisterSMTPParsers(void);
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void SMTPParserRegisterTests(void);
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#endif /* __APP_LAYER_SMTP_H__ */
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