app-layer-smtp.h File Reference

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

Include dependency graph for app-layer-smtp.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	SMTPString_
struct	SMTPTransaction_
struct	SMTPConfig
struct	SMTPState_

Macros
#define	SMTP_LINE_BUFFER_LIMIT   4096

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_FAILED_PROTOCOL_CHANGE, 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, SMTP_DECODER_EVENT_TRUNCATED_LINE }

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.

Macro Definition Documentation

SMTP_LINE_BUFFER_LIMIT

#define SMTP_LINE_BUFFER_LIMIT   4096

Definition at line 33 of 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_FAILED_PROTOCOL_CHANGE
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
SMTP_DECODER_EVENT_TRUNCATED_LINE

Definition at line 34 of file app-layer-smtp.h.

Function Documentation

RegisterSMTPParsers()

void RegisterSMTPParsers

(

void

)

Register the SMTP Protocol parser.

Definition at line 1867 of file app-layer-smtp.c.

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

Here is the call graph for this function:

SMTPParserCleanup()

void SMTPParserCleanup

(

void

)

Free memory allocated for global SMTP parser state.

Definition at line 1921 of file app-layer-smtp.c.

Referenced by AppLayerParserDeSetup().

Here is the caller graph for this function:

SMTPParserRegisterTests()

void SMTPParserRegisterTests

(

void

)

Definition at line 4256 of file app-layer-smtp.c.

References UtRegisterTest().

Here is the call graph for this function:

SMTPProcessDataChunk()

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

Definition at line 506 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, DEBUG_VALIDATE_BUG_ON, FILE_STORE, FileFlowToFlags(), MimeDecEntity::filename, MimeDecEntity::filename_len, SMTPTransaction_::files_ts, flags, len, MIME_DEC_OK, Flow_::protoctx, SC_FILENAME_MAX, SCEnter, SCLogDebug, SCLogDebugEnabled(), smtp_config, MimeDecParseState::stack, StreamTcpReassemblySetMinInspectDepth(), and MimeDecStack::top.

Here is the call graph for this function:

SMTPStateAlloc()

void* SMTPStateAlloc	(	void *	orig_state,
		AppProto	proto_orig
	)

Definition at line 1527 of file app-layer-smtp.c.

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

Variable Documentation

smtp_config

SMTPConfig smtp_config

Definition at line 246 of file app-layer-smtp.c.

Referenced by SMTPProcessDataChunk().