/*********************************************************************
* 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;
}
/**
*
*
* @param argc
* @param argv
*
* @return
*/
int main(int argc, char *argv[]) {
FILE *input;
FILE *new_file, *ole_file;
char *filename =NULL;
short int *tmp_charset;
int c;
int i;
char *tempname;
read_config_file(SYSTEMRC);
#ifdef USERRC
tempname=find_file(strdup(USERRC),getenv("HOME"));
if (tempname) {
read_config_file(tempname);
free(tempname);
}
#endif
#ifdef HAVE_LANGINFO
get_locale_charset();
#endif
check_charset(&dest_csname,dest_csname);
while ((c=getopt(argc,argv,"Vls:d:p:"))!=-1) {
switch(c) {
case 'l':
list_charsets(); exit(0);
case 's':
check_charset(&source_csname,optarg);
source_charset=read_charset(source_csname);
break;
case 'd':
check_charset(&dest_csname,optarg);
break;
case 'V': printf("Catdoc Version %s\n",CATDOC_VERSION);
exit(0);
default:
help();
exit(1);
}
}
/* If we are using system strftime, we need to set LC_TIME locale
* category unless choosen charset is not same as system locale
*/
#if defined(HAVE_LANGINFO) && defined(HAVE_STRFTIME) && !defined(__TURB0C__)
set_time_locale();
#endif
/* charset conversion init*/
input_buffer=malloc(FILE_BUFFER);
if (strcmp(dest_csname,"utf-8")) {
tmp_charset=read_charset(dest_csname);
if (!tmp_charset) {
fprintf(stderr,"Cannot load target charset %s\n",dest_csname);
exit(1);
}
target_charset=make_reverse_map(tmp_charset);
free(tmp_charset);
} else {
target_charset=NULL;
}
spec_chars=read_substmap(stradd("ascii",SPEC_EXT));
if (!spec_chars) {
fprintf(stderr,"Cannod read substitution map ascii%s\n",
SPEC_EXT);
exit(1);
}
replacements=read_substmap(stradd("ascii",REPL_EXT));
if (!replacements) {
fprintf(stderr,"Cannod read substitution map ascii%s\n",
REPL_EXT);
exit(1);
}
if (optind>=argc) {
if (isatty(fileno(stdin))) {
help();
exit(0);
}
do_ppt(stdin,"STDIN");
exit (0);
}
for (i=optind;i<argc;i++) {
filename = argv[i];
input=fopen(filename,"rb");
if (!input) {
perror(filename);
exit(1);
}
if ((new_file=ole_init(input, NULL, 0)) != NULL) {
set_ole_func();
while((ole_file=ole_readdir(new_file)) != NULL) {
int res=ole_open(ole_file);
/* fprintf(stderr, "name = %s\n", ((oleEntry*)ole_file)->name); */
if (res >= 0) {
if (strcasecmp(((oleEntry*)ole_file)->name , "PowerPoint Document") == 0) {
do_ppt(ole_file,filename);
}
}
ole_close(ole_file);
}
set_std_func();
ole_finish();
fclose(new_file);
} else {
fprintf(stderr, "%s is not OLE file or Error\n", filename);
}
}
return 0;
}
