void detect_cdimage(SECTION *section, int level)
{
int mode, off;
unsigned char *buf;
SOURCE *s;
if (get_buffer(section, 0, 2352, (void **)&buf) < 2352)
return;
/* check sync bytes as signature */
if (memcmp(buf, syncbytes, 12) != 0)
return;
/* get mode of the track -- this determines sector layout */
mode = buf[15];
if (mode == 1) {
/* standard data track */
print_line(level, "Raw CD image, Mode 1");
off = 16;
} else if (mode == 2) {
/* free-form track, assume XA form 1 */
print_line(level, "Raw CD image, Mode 2, assuming Form 1");
off = 24;
} else
return;
/* create and analyze wrapped source */
s = init_cdimage_source(section->source, section->pos + off);
analyze_source(s, level);
close_source(s);
/* don't run other analyzers */
stop_detect();
}
static void analyze_file(const char *filename)
{
int fd, filekind;
u8 filesize;
struct stat sb;
char *reason;
SOURCE *s;
print_line(0, "--- %s", filename);
/* stat check */
if (stat(filename, &sb) < 0) {
errore("Can't stat %.300s", filename);
return;
}
filekind = 0;
filesize = 0;
reason = NULL;
if (S_ISREG(sb.st_mode)) {
filesize = sb.st_size;
print_kind(filekind, filesize, 1);
} else if (S_ISBLK(sb.st_mode))
filekind = 1;
else if (S_ISCHR(sb.st_mode))
filekind = 2;
else if (S_ISDIR(sb.st_mode))
reason = "Is a directory";
else if (S_ISFIFO(sb.st_mode))
reason = "Is a FIFO";
#ifdef S_ISSOCK
else if (S_ISSOCK(sb.st_mode))
reason = "Is a socket";
#endif
else
reason = "Is an unknown kind of special file";
if (reason != NULL) {
error("%.300s: %s", filename, reason);
return;
}
/* Mac OS type & creator code (if running on Mac OS X) */
#ifdef USE_MACOS_TYPE
if (filekind == 0)
show_macos_type(filename);
#endif
/* empty regular files need no further analysis */
if (filekind == 0 && filesize == 0)
return;
/* open for reading */
fd = open(filename, O_RDONLY);
if (fd < 0) {
errore("Can't open %.300s", filename);
return;
}
/* (try to) guard against TTY character devices */
if (filekind == 2) {
if (isatty(fd)) {
error("%.300s: Is a TTY device", filename);
return;
}
}
/* create a source */
s = init_file_source(fd, filekind);
/* tell the user what it is */
if (filekind != 0)
print_kind(filekind, s->size, s->size_known);
/* now analyze it */
analyze_source(s, 0);
/* finish it up */
close_source(s);
}
