util-file-swf-decompression.c File Reference

#include "suricata.h"
#include "suricata-common.h"
#include "app-layer-htp.h"
#include "util-file-decompression.h"
#include "util-file-swf-decompression.h"
#include "util-misc.h"
#include "util-print.h"
#include <zlib.h>
#include <htp/lzma/LzmaDec.h>

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Macros
#define	MAX_SWF_DECOMPRESSED_LEN   50000000

Functions
uint32_t	FileGetSwfDecompressedLen (const uint8_t *buffer, const uint32_t buffer_len)
uint8_t	FileGetSwfVersion (const uint8_t *buffer, const uint32_t buffer_len)
int	FileSwfZlibDecompression (DetectEngineThreadCtx *det_ctx, uint8_t *compressed_data, uint32_t compressed_data_len, uint8_t *decompressed_data, uint32_t decompressed_data_len)
int	FileSwfLzmaDecompression (DetectEngineThreadCtx *det_ctx, uint8_t *compressed_data, uint32_t compressed_data_len, uint8_t *decompressed_data, uint32_t decompressed_data_len)

Detailed Description

Author

Giuseppe Longo giuse.nosp@m.ppe@.nosp@m.glong.nosp@m.o.it

Definition in file util-file-swf-decompression.c.

Macro Definition Documentation

#define MAX_SWF_DECOMPRESSED_LEN   50000000

Definition at line 39 of file util-file-swf-decompression.c.

Referenced by FileGetSwfDecompressedLen(), and FileSwfLzmaDecompression().

Function Documentation

uint32_t FileGetSwfDecompressedLen	(	const uint8_t *	buffer,
		const uint32_t	buffer_len
	)

Definition at line 44 of file util-file-swf-decompression.c.

References len, MAX_SWF_DECOMPRESSED_LEN, and MIN.

Referenced by FileSwfDecompression().

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uint8_t FileGetSwfVersion	(	const uint8_t *	buffer,
		const uint32_t	buffer_len
	)

Definition at line 69 of file util-file-swf-decompression.c.

Referenced by FileSwfDecompression().

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int FileSwfLzmaDecompression	(	DetectEngineThreadCtx *	det_ctx,
		uint8_t *	compressed_data,
		uint32_t	compressed_data_len,
		uint8_t *	decompressed_data,
		uint32_t	decompressed_data_len
	)

Definition at line 135 of file util-file-swf-decompression.c.

References DetectEngineSetEvent(), FILE_DECODER_EVENT_LZMA_BUF_ERROR, FILE_DECODER_EVENT_LZMA_DATA_ERROR, FILE_DECODER_EVENT_LZMA_DECODER_ERROR, FILE_DECODER_EVENT_LZMA_FORMAT_ERROR, FILE_DECODER_EVENT_LZMA_MEMLIMIT_ERROR, FILE_DECODER_EVENT_LZMA_OPTIONS_ERROR, FILE_DECODER_EVENT_LZMA_UNKNOWN_ERROR, and MAX_SWF_DECOMPRESSED_LEN.

Referenced by FileSwfDecompression().

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int FileSwfZlibDecompression	(	DetectEngineThreadCtx *	det_ctx,
		uint8_t *	compressed_data,
		uint32_t	compressed_data_len,
		uint8_t *	decompressed_data,
		uint32_t	decompressed_data_len
	)

Definition at line 82 of file util-file-swf-decompression.c.

References address, DetectEngineSetEvent(), FILE_DECODER_EVENT_Z_BUF_ERROR, FILE_DECODER_EVENT_Z_DATA_ERROR, FILE_DECODER_EVENT_Z_STREAM_ERROR, and FILE_DECODER_EVENT_Z_UNKNOWN_ERROR.

Referenced by FileSwfDecompression().

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