/*********************************************************************
* Determines format of input file and calls parse_word_header or
* process_file if
* it is word processor file or copy_out if it is plain text file
* return not 0 when error
********************************************************************/
int analyze_format(FILE *f) {
unsigned char buffer[129];
long offset=0;
FILE *new_file, *ole_file;
int ret_code=69;
if (!signature_check) {
/* forced parsing */
/* no autodetect possible. Assume 8-bit if not overriden on
* command line */
if (!get_unicode_char)
get_unicode_char=get_8bit_char;
return process_file(f,LONG_MAX);
}
catdoc_read(buffer,4,1,f);
buffer[4]=0;
if (strncmp((char *)&buffer,write_sign,2)==0) {
printf("[Windows Write file. Some garbage expected]\n");
get_unicode_char=get_8bit_char;
return process_file(f,LONG_MAX);
} else if (strncmp((char *)&buffer,rtf_sign,4)==0) {
return parse_rtf(f);
} else if (strncmp((char *)&buffer, zip_sign,4) == 0) {
fprintf(stderr,"This file looks like ZIP archive or Office 2007 "
"or later file.\nNot supported by catdoc\n");
exit(1);
} else if (strncmp((char *)&buffer,old_word_sign,2)==0) {
fread(buffer+4,1,124,f);
return parse_word_header(buffer,f,128,0);
}
fread(buffer+4,1,4,f);
if (strncmp((char *)&buffer,ole_sign,8)==0) {
if ((new_file=ole_init(f, buffer, 8)) != NULL) {
set_ole_func();
while((ole_file=ole_readdir(new_file)) != NULL) {
int res=ole_open(ole_file);
if (res >= 0) {
if (strcmp(((oleEntry*)ole_file)->name , "WordDocument") == 0) {
offset=catdoc_read(buffer, 1, 128, ole_file);
ret_code=parse_word_header(buffer,ole_file,-offset,offset);
}
}
ole_close(ole_file);
}
set_std_func();
ole_finish();
} else {
fprintf(stderr,"Broken OLE file. Try using -b switch\n");
exit(1);
}
} else {
copy_out(f,(char *)&buffer);
return 0;
}
return ret_code;
}
/*********************************************************************
* Determines format of input file and calls parse_word_header or
* m_pReader->process_file if
* it is word processor file or copy_out if it is plain text file
* return not 0 when error
********************************************************************/
int Analyze::parseDOC(FILE *f)
{
unsigned char buffer[129];
long offset=0;
FILE *new_file, *ole_file;
int ret_code=69;
if (!GlobalConf.signature_check) {
/* forced parsing */
/* no autodetect possible. Assume 8-bit if not overriden on
* command line */
if (!getCharGetter())
setCharGetter(CHAR_8BIT);
return m_pReader->process_file(f,LONG_MAX);
}
m_pOleFile->ole_read(buffer,4,1,f);
buffer[4]=0;
if (strncmp((const char*)buffer,(const char*)write_sign,2)==0) {
printf("[Windows Write file. Some garbage expected]\n");
setCharGetter(CHAR_8BIT);
return m_pReader->process_file(f,LONG_MAX);
} else if (strncmp((const char*)buffer,(const char*)rtf_sign,4)==0) {
return m_pRTFRead->parse_rtf(f);
} else if (strncmp((const char*)buffer,(const char*)old_word_sign,2)==0) {
size_t readLen = fread(buffer+4,1,124,f);
(void)readLen;
return parse_word_header(buffer,f,128,0);
}
size_t readLen = fread(buffer+4,1,4,f);
(void)readLen;
if (strncmp((const char*)buffer,(const char*)ole_sign,8)==0) {
if ((new_file=m_pOleFile->ole_init(f, buffer, 8)) != NULL) {
m_pOleFile->set_ole_func();
while((ole_file=m_pOleFile->ole_readdir(new_file)) != NULL) {
int res=m_pOleFile->ole_open(ole_file);
if (res >= 0) {
if (strcmp(((oleEntry*)ole_file)->name , "WordDocument") == 0) {
offset=m_pOleFile->ole_read(buffer, 1, 128, ole_file);
ret_code=parse_word_header(buffer,ole_file,-offset,offset);
}
}
m_pOleFile->ole_close(ole_file);
}
m_pOleFile->set_std_func();
m_pOleFile->ole_finish();
} else {
fprintf(stderr,"Broken OLE file. Try using -b switch");
exit(1);
}
} else {
m_pOleFile->set_std_func();
m_pReader->copy_out(f,(char*)buffer);
return 0;
}
return ret_code;
}
