app-layer-smtp.h File Reference

#include "decode-events.h"
#include "util-decode-mime.h"
#include "queue.h"
#include "util-streaming-buffer.h"
#include "rust.h"

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Data Structures
struct	SMTPString_
struct	SMTPTransaction_
struct	SMTPConfig
struct	SMTPState_

Typedefs
typedef struct SMTPString_	SMTPString
typedef struct SMTPTransaction_	SMTPTransaction
typedef struct SMTPConfig	SMTPConfig
typedef struct SMTPState_	SMTPState

Enumerations
enum	{   SMTP_DECODER_EVENT_INVALID_REPLY, SMTP_DECODER_EVENT_UNABLE_TO_MATCH_REPLY_WITH_REQUEST, SMTP_DECODER_EVENT_MAX_COMMAND_LINE_LEN_EXCEEDED, SMTP_DECODER_EVENT_MAX_REPLY_LINE_LEN_EXCEEDED,   SMTP_DECODER_EVENT_INVALID_PIPELINED_SEQUENCE, SMTP_DECODER_EVENT_BDAT_CHUNK_LEN_EXCEEDED, SMTP_DECODER_EVENT_NO_SERVER_WELCOME_MESSAGE, SMTP_DECODER_EVENT_TLS_REJECTED,   SMTP_DECODER_EVENT_DATA_COMMAND_REJECTED, SMTP_DECODER_EVENT_MIME_PARSE_FAILED, SMTP_DECODER_EVENT_MIME_MALFORMED_MSG, SMTP_DECODER_EVENT_MIME_INVALID_BASE64,   SMTP_DECODER_EVENT_MIME_INVALID_QP, SMTP_DECODER_EVENT_MIME_LONG_LINE, SMTP_DECODER_EVENT_MIME_LONG_ENC_LINE, SMTP_DECODER_EVENT_MIME_LONG_HEADER_NAME,   SMTP_DECODER_EVENT_MIME_LONG_HEADER_VALUE, SMTP_DECODER_EVENT_MIME_BOUNDARY_TOO_LONG, SMTP_DECODER_EVENT_MIME_LONG_FILENAME, SMTP_DECODER_EVENT_DUPLICATE_FIELDS,   SMTP_DECODER_EVENT_UNPARSABLE_CONTENT }

Functions
int	SMTPProcessDataChunk (const uint8_t *chunk, uint32_t len, MimeDecParseState *state)
void *	SMTPStateAlloc (void *orig_state, AppProto proto_orig)
void	RegisterSMTPParsers (void)
	Register the SMTP Protocol parser. More...
void	SMTPParserCleanup (void)
	Free memory allocated for global SMTP parser state. More...
void	SMTPParserRegisterTests (void)

Variables
SMTPConfig	smtp_config

Detailed Description

Author

Anoop Saldanha anoop.nosp@m.sald.nosp@m.anha@.nosp@m.gmai.nosp@m.l.com

Definition in file app-layer-smtp.h.

Typedef Documentation

SMTPConfig

typedef struct SMTPConfig SMTPConfig

SMTPState

typedef struct SMTPState_ SMTPState

SMTPString

typedef struct SMTPString_ SMTPString

SMTPTransaction

typedef struct SMTPTransaction_ SMTPTransaction

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
SMTP_DECODER_EVENT_INVALID_REPLY
SMTP_DECODER_EVENT_UNABLE_TO_MATCH_REPLY_WITH_REQUEST
SMTP_DECODER_EVENT_MAX_COMMAND_LINE_LEN_EXCEEDED
SMTP_DECODER_EVENT_MAX_REPLY_LINE_LEN_EXCEEDED
SMTP_DECODER_EVENT_INVALID_PIPELINED_SEQUENCE
SMTP_DECODER_EVENT_BDAT_CHUNK_LEN_EXCEEDED
SMTP_DECODER_EVENT_NO_SERVER_WELCOME_MESSAGE
SMTP_DECODER_EVENT_TLS_REJECTED
SMTP_DECODER_EVENT_DATA_COMMAND_REJECTED
SMTP_DECODER_EVENT_MIME_PARSE_FAILED
SMTP_DECODER_EVENT_MIME_MALFORMED_MSG
SMTP_DECODER_EVENT_MIME_INVALID_BASE64
SMTP_DECODER_EVENT_MIME_INVALID_QP
SMTP_DECODER_EVENT_MIME_LONG_LINE
SMTP_DECODER_EVENT_MIME_LONG_ENC_LINE
SMTP_DECODER_EVENT_MIME_LONG_HEADER_NAME
SMTP_DECODER_EVENT_MIME_LONG_HEADER_VALUE
SMTP_DECODER_EVENT_MIME_BOUNDARY_TOO_LONG
SMTP_DECODER_EVENT_MIME_LONG_FILENAME
SMTP_DECODER_EVENT_DUPLICATE_FIELDS
SMTP_DECODER_EVENT_UNPARSABLE_CONTENT

Definition at line 33 of file app-layer-smtp.h.

Function Documentation

RegisterSMTPParsers()

void RegisterSMTPParsers

(

void

)

Register the SMTP Protocol parser.

Definition at line 1786 of file app-layer-smtp.c.

References ALPROTO_SMTP, AppLayerProtoDetectConfProtoDetectionEnabled(), and AppLayerProtoDetectRegisterProtocol().

Referenced by AppLayerParserRegisterProtocolParsers().

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SMTPParserCleanup()

void SMTPParserCleanup

(

void

)

Free memory allocated for global SMTP parser state.

Definition at line 1843 of file app-layer-smtp.c.

Referenced by AppLayerParserDeSetup().

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SMTPParserRegisterTests()

void SMTPParserRegisterTests

(

void

)

Definition at line 5311 of file app-layer-smtp.c.

References UtRegisterTest().

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SMTPProcessDataChunk()

int SMTPProcessDataChunk	(	const uint8_t *	chunk,
		uint32_t	len,
		MimeDecParseState *	state
	)

Definition at line 409 of file app-layer-smtp.c.

References Flow_::alstate, MimeDecParseState::body_begin, SMTPConfig::content_inspect_min_size, MimeDecEntity::ctnt_flags, CTNT_IS_ATTACHMENT, MimeDecStackNode::data, MimeDecParseState::data, FILE_STORE, FILE_USE_DETECT, FileContainerAlloc(), FileFlowToFlags(), MimeDecEntity::filename, MimeDecEntity::filename_len, FileOpenFileWithId(), flags, len, MIME_DEC_ERR_DATA, MIME_DEC_ERR_MEM, MIME_DEC_OK, Flow_::protoctx, SMTPConfig::sbcfg, SC_ERR_MEM_ALLOC, SCEnter, SCLogDebug, SCLogDebugEnabled(), SCLogError, SCReturnInt, smtp_config, MimeDecParseState::stack, STREAM_TOSERVER, StreamTcpReassemblySetMinInspectDepth(), and MimeDecStack::top.

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SMTPStateAlloc()

void* SMTPStateAlloc	(	void *	orig_state,
		AppProto	proto_orig
	)

Definition at line 1443 of file app-layer-smtp.c.

References SMTPState_::cmds, SMTPState_::cmds_buffer_len, SCFree, SCMalloc, SMTP_COMMAND_BUFFER_STEPS, TAILQ_INIT, and unlikely.

Variable Documentation

smtp_config

SMTPConfig smtp_config

Definition at line 240 of file app-layer-smtp.c.

Referenced by SMTPProcessDataChunk().