denyhosts/clamav/libclamav/blob.h

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/*
* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2007-2013 Sourcefire, Inc.
*
* Authors: Nigel Horne
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef __BLOB_H
#define __BLOB_H
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#include "clamav.h"
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/*
* Resizable chunk of memory
*/
typedef struct blob {
char *name; /* filename */
unsigned char *data; /* the stuff itself */
off_t len; /* number of bytes of data so far */
off_t size; /* number of bytes allocated to data so far */
int isClosed;
#ifdef CL_DEBUG
object_type magic; /* verify that this is a blob */
#endif
} blob;
blob *blobCreate(void);
void blobDestroy(blob *b);
void blobArrayDestroy(blob *b[], int n);
void *blobToMem(blob *b);
void blobSetFilename(blob *b, const char *dir, const char *filename);
int blobAddData(blob *b, const unsigned char *data, size_t len);
unsigned char *blobGetData(const blob *b);
size_t blobGetDataSize(const blob *b);
void blobClose(blob *b);
int blobcmp(const blob *b1, const blob *b2);
int blobGrow(blob *b, size_t len);
/*
* Like a blob, but associated with a file stored in the temporary directory
*/
typedef struct fileblob {
FILE *fp;
int fd;
blob b; /*
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* b.name is the name of the attachment as stored in the
* email, not the full path name of the temporary file
*/
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char *fullname; /* full pathname of the file */
cli_ctx *ctx; /* When set we can scan the blob, otherwise NULL */
unsigned long bytes_scanned;
unsigned int isNotEmpty : 1;
unsigned int isInfected : 1;
} fileblob;
fileblob *fileblobCreate(void);
int fileblobScanAndDestroy(fileblob *fb);
void fileblobDestructiveDestroy(fileblob *fb);
void fileblobDestroy(fileblob *fb);
void fileblobSetFilename(fileblob *fb, const char *dir, const char *filename);
void fileblobPartialSet(fileblob *fb, const char *fullname, const char *arg);
const char *fileblobGetFilename(const fileblob *fb);
void fileblobSetCTX(fileblob *fb, cli_ctx *ctx);
int fileblobAddData(fileblob *fb, const unsigned char *data, size_t len);
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cl_error_t fileblobScan(const fileblob *fb);
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int fileblobInfected(const fileblob *fb);
void sanitiseName(char *name);
#endif /*_BLOB_H*/