2003-07-29 15:48:06 +00:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2002 Nigel Horne <njh@bandsman.co.uk>
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
2004-01-14 10:09:59 +00:00
|
|
|
*
|
2004-02-10 19:23:54 +00:00
|
|
|
* $Log: blob.c,v $
|
2004-04-17 14:20:41 +00:00
|
|
|
* Revision 1.11 2004/04/17 14:18:58 nigelhorne
|
|
|
|
* Some filenames not scanned in MACOS/X
|
|
|
|
*
|
2004-03-25 22:42:00 +00:00
|
|
|
* Revision 1.10 2004/03/25 22:40:46 nigelhorne
|
|
|
|
* Removed even more calls to realloc and some duplicated code
|
|
|
|
*
|
2004-03-24 09:09:50 +00:00
|
|
|
* Revision 1.9 2004/03/24 09:08:25 nigelhorne
|
|
|
|
* Reduce number of calls to cli_realloc for FreeBSD performance
|
|
|
|
*
|
2004-03-23 10:58:52 +00:00
|
|
|
* Revision 1.8 2004/03/23 10:58:52 nigelhorne
|
|
|
|
* More restrictive about which characters can be used in filename on DOS based systems
|
|
|
|
*
|
2004-02-15 08:49:05 +00:00
|
|
|
* Revision 1.7 2004/02/15 08:45:53 nigelhorne
|
|
|
|
* Avoid scanning the same file twice
|
|
|
|
*
|
2004-02-10 19:23:54 +00:00
|
|
|
* Revision 1.6 2004/02/10 19:23:54 nigelhorne
|
|
|
|
* Change LOG to Log
|
|
|
|
*
|
2003-07-29 15:48:06 +00:00
|
|
|
*/
|
2004-04-17 14:20:41 +00:00
|
|
|
static char const rcsid[] = "$Id: blob.c,v 1.11 2004/04/17 14:18:58 nigelhorne Exp $";
|
2004-02-06 13:46:08 +00:00
|
|
|
|
|
|
|
#if HAVE_CONFIG_H
|
|
|
|
#include "clamav-config.h"
|
|
|
|
#endif
|
2003-07-29 15:48:06 +00:00
|
|
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
#if C_DARWIN
|
|
|
|
#include <sys/types.h>
|
|
|
|
#endif
|
|
|
|
#include "mbox.h"
|
|
|
|
#include "blob.h"
|
|
|
|
#include "others.h"
|
|
|
|
|
|
|
|
#ifndef CL_DEBUG
|
|
|
|
#define NDEBUG /* map CLAMAV debug onto standard */
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <assert.h>
|
|
|
|
|
|
|
|
blob *
|
|
|
|
blobCreate(void)
|
|
|
|
{
|
|
|
|
#ifdef CL_DEBUG
|
|
|
|
blob *b = (blob *)cli_calloc(1, sizeof(blob));
|
2004-03-23 10:58:52 +00:00
|
|
|
if(b)
|
|
|
|
b->magic = BLOB;
|
2003-08-30 19:20:04 +00:00
|
|
|
cli_dbgmsg("blobCreate\n");
|
2003-07-29 15:48:06 +00:00
|
|
|
return b;
|
|
|
|
#else
|
|
|
|
return (blob *)cli_calloc(1, sizeof(blob));
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
blobDestroy(blob *b)
|
|
|
|
{
|
2003-08-30 19:20:04 +00:00
|
|
|
#ifdef CL_DEBUG
|
|
|
|
cli_dbgmsg("blobDestroy %d\n", b->magic);
|
|
|
|
#else
|
|
|
|
cli_dbgmsg("blobDestroy\n");
|
|
|
|
#endif
|
|
|
|
|
2003-07-29 15:48:06 +00:00
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
|
|
|
|
if(b->name)
|
|
|
|
free(b->name);
|
|
|
|
if(b->data)
|
|
|
|
free(b->data);
|
|
|
|
#ifdef CL_DEBUG
|
|
|
|
b->magic = INVALID;
|
|
|
|
#endif
|
|
|
|
free(b);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
blobArrayDestroy(blob *blobList[], int n)
|
|
|
|
{
|
2003-08-30 19:20:04 +00:00
|
|
|
while(--n >= 0) {
|
|
|
|
cli_dbgmsg("blobArrayDestroy: %d\n", n);
|
|
|
|
if(blobList[n]) {
|
|
|
|
blobDestroy(blobList[n]);
|
|
|
|
blobList[n] = NULL;
|
|
|
|
}
|
|
|
|
}
|
2003-07-29 15:48:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
blobSetFilename(blob *b, const char *filename)
|
|
|
|
{
|
|
|
|
char *ptr;
|
|
|
|
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
assert(filename != NULL);
|
|
|
|
|
|
|
|
if(b->name)
|
|
|
|
free(b->name);
|
|
|
|
b->name = strdup(filename);
|
|
|
|
|
2004-03-23 10:58:52 +00:00
|
|
|
if(b->name)
|
|
|
|
for(ptr = b->name; *ptr; ptr++) {
|
|
|
|
#if defined(MSDOS) || defined(C_CYGWIN) || defined(WIN32)
|
|
|
|
if(strchr("*?<>|\"+=,;: ", *ptr))
|
2004-04-17 14:20:41 +00:00
|
|
|
#elif defined(C_DARWIN)
|
|
|
|
if((*ptr == '/') || (*ptr >= '\200'))
|
2003-07-29 15:48:06 +00:00
|
|
|
#else
|
2004-03-23 10:58:52 +00:00
|
|
|
if(*ptr == '/')
|
2003-07-29 15:48:06 +00:00
|
|
|
#endif
|
2004-03-23 10:58:52 +00:00
|
|
|
*ptr = '_';
|
|
|
|
}
|
2003-07-29 15:48:06 +00:00
|
|
|
|
|
|
|
cli_dbgmsg("blobSetFilename: %s\n", filename);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
blobGetFilename(const blob *b)
|
|
|
|
{
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
|
|
|
|
return(b->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
blobAddData(blob *b, const unsigned char *data, size_t len)
|
|
|
|
{
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
assert(data != NULL);
|
|
|
|
|
|
|
|
if(len == 0)
|
|
|
|
return;
|
|
|
|
|
2004-02-15 08:49:05 +00:00
|
|
|
if(b->isClosed) {
|
|
|
|
/*
|
|
|
|
* Should be cli_dbgmsg, but I want to see them for now,
|
|
|
|
* and cli_dbgmsg doesn't support debug levels
|
|
|
|
*/
|
|
|
|
cli_warnmsg("Reopening closed blob\n");
|
|
|
|
b->isClosed = 0;
|
|
|
|
}
|
2003-07-29 15:48:06 +00:00
|
|
|
if(b->data == NULL) {
|
|
|
|
assert(b->len == 0);
|
2004-03-25 22:42:00 +00:00
|
|
|
assert(b->size == 0);
|
|
|
|
|
2003-07-29 15:48:06 +00:00
|
|
|
b->size = len * 4;
|
|
|
|
b->data = cli_malloc(b->size);
|
|
|
|
} else if(b->size < b->len + len) {
|
2004-03-25 22:42:00 +00:00
|
|
|
b->size += len * 4;
|
2004-01-14 10:09:59 +00:00
|
|
|
b->data = cli_realloc(b->data, b->size);
|
2003-07-29 15:48:06 +00:00
|
|
|
}
|
|
|
|
|
2004-03-23 10:58:52 +00:00
|
|
|
if(b->data) {
|
|
|
|
memcpy(&b->data[b->len], data, len);
|
|
|
|
b->len += len;
|
|
|
|
}
|
2003-07-29 15:48:06 +00:00
|
|
|
}
|
|
|
|
|
2004-01-14 10:09:59 +00:00
|
|
|
unsigned char *
|
2003-07-29 15:48:06 +00:00
|
|
|
blobGetData(const blob *b)
|
|
|
|
{
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
|
|
|
|
return(b->data);
|
|
|
|
}
|
|
|
|
|
|
|
|
unsigned long
|
|
|
|
blobGetDataSize(const blob *b)
|
|
|
|
{
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
|
|
|
|
return(b->len);
|
|
|
|
}
|
2004-02-15 08:49:05 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
blobClose(blob *b)
|
|
|
|
{
|
|
|
|
b->isClosed = 1;
|
|
|
|
|
|
|
|
if(b->size != b->len) {
|
|
|
|
b->size = b->len;
|
|
|
|
b->data = cli_realloc(b->data, b->size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Returns 0 if the blobs are the same
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
blobcmp(const blob *b1, const blob *b2)
|
|
|
|
{
|
|
|
|
unsigned long s1, s2;
|
|
|
|
|
|
|
|
assert(b1 != NULL);
|
|
|
|
assert(b2 != NULL);
|
|
|
|
|
|
|
|
if(b1 == b2)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
s1 = blobGetDataSize(b1);
|
|
|
|
s2 = blobGetDataSize(b2);
|
|
|
|
|
|
|
|
if(s1 != s2)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return memcmp(blobGetData(b1), blobGetData(b2), s1);
|
|
|
|
}
|
2004-03-25 22:42:00 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
blobGrow(blob *b, size_t len)
|
|
|
|
{
|
|
|
|
assert(b != NULL);
|
|
|
|
assert(b->magic == BLOB);
|
|
|
|
|
|
|
|
if(len == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if(b->isClosed) {
|
|
|
|
/*
|
|
|
|
* Should be cli_dbgmsg, but I want to see them for now,
|
|
|
|
* and cli_dbgmsg doesn't support debug levels
|
|
|
|
*/
|
|
|
|
cli_warnmsg("Growing closed blob\n");
|
|
|
|
b->isClosed = 0;
|
|
|
|
}
|
|
|
|
if(b->data == NULL) {
|
|
|
|
assert(b->len == 0);
|
|
|
|
assert(b->size == 0);
|
|
|
|
|
|
|
|
b->size = len;
|
|
|
|
b->data = cli_malloc(len);
|
|
|
|
} else {
|
|
|
|
b->size += len;
|
|
|
|
b->data = cli_realloc(b->data, b->size);
|
|
|
|
}
|
|
|
|
}
|