uint8_t *read_header(uint8_t data[], header *hdr)
{
uint8_t compressed, version;
uint32_t length;
uint16_t fps, fcount;
swf_rect fsize;
uint8_t *dataptr;
swf_field header_fmt1[] = {
SWF_UI8(&compressed), SWF_UI8(NULL), SWF_UI8(NULL), /* signature */
SWF_UI8(&version), /* version */
SWF_UI32(&length)
};
swf_field header_fmt2[] = {
SWF_RECT(&fsize), /* frame size */
SWF_UI16(&fps),
SWF_UI16(&fcount), /* frame count */
SWF_END
};
dataptr = swf_read(data, header_fmt1);
if((char) compressed == 'C') {
fsize.x = fsize.y = fsize.w = fsize.h = 0;
fps = 0;
fcount = 0;
} else {
dataptr = swf_read(dataptr, header_fmt2);
}
if(hdr) {
hdr->compressed = (compressed == 'C') ? 1 : 0;
hdr->version = (unsigned int) version;
hdr->length = (unsigned int) length;
hdr->frame_size = fsize;
hdr->fps = (unsigned int) fps;
hdr->frame_count = fcount;
}
return dataptr;
}
static void parse_arguments(int argn, char** argv)
{
int i, produced = 0, skip_symbols = 0;
int dump_tags = 0, dontsave = 0;
int showrenames = 0;
char* dump_tag_prefix = "";
for (i=1; i<argn; i++) {
if (argv[i][0] == '-') {
if (!strcmp(argv[i], "--help")) {
show_help();
exit(0);
} else if (!strcmp(argv[i], "--version") || !strcmp(argv[i], "-V")) {
printf("sob version 0.2 beta Copyright (C) 2008 Kostas Michalopoulos\n");
printf("Visit http://www.badsectoracula.com/projects/sob/ for the latest version\n");
exit(0);
} else if (!strcmp(argv[i], "--skip-symbols-file")) {
skip_symbols = 1;
if (!quiet) printf("sob: warning: skipping default symbols file\n");
} else if (!strcmp(argv[i], "--ignore-file") || !strcmp(argv[i], "-I")) {
ignore_load_file(argv[++i]);
} else if (!strcmp(argv[i], "--ignore") || !strcmp(argv[i], "-i")) {
ignore_add(argv[++i]);
} else if (!strcmp(argv[i], "--deignore") || !strcmp(argv[i], "-d")) {
ignore_remove(argv[++i]);
} else if (!strcmp(argv[i], "--quiet") || !strcmp(argv[i], "-q")) {
quiet = 1;
} else if (!strcmp(argv[i], "--output") || !strcmp(argv[i], "-o")) {
outfile = argv[++i];
} else if (!strcmp(argv[i], "--dont-save")) {
dontsave = 1;
} else if (!strcmp(argv[i], "--show-renames")) {
showrenames = 1;
} else if (!strcmp(argv[i], "--obfuscate-mask")) {
opt_parse_obfuscate_mask_string(argv[++i]);
} else if (!strcmp(argv[i], "--dump-tags")) {
dump_tags = 1;
dump_tag_prefix = argv[++i];
} else {
fprintf(stderr, "sob: unknown argument '%s'\n", argv[i]);
}
} else {
char* swffile = outfile;
swf_t* swf;
if (!produced && !skip_symbols) {
load_default_symbols(argv[0]);
}
produced = 1;
swf = swf_read(argv[i]);
if (!swf) {
fprintf(stderr, "sob: failed to read swf file '%s'\n", argv[i]);
exit(1);
}
if (!quiet) {
printf("sob: processing %s swf '%s', version %i, body length %i\n",
swf->compressed?"compressed":"uncompressed",
swf->filename,
swf->version,
(int)swf->body_length);
printf("sob: movie area=%i,%i -> %i,%i ",
(int)(swf->rect.xmin/20), (int)(swf->rect.ymin/20),
(int)(swf->rect.xmax/20), (int)(swf->rect.ymax/20));
printf("rate=%i.%i frames=%i tags=%i\n", (int)(swf->rate>>8), (int)(swf->rate&0xFF),
(int)swf->frame_count, (int)swf->tag_count);
}
if (dump_tags) {
dump_swf_tags(swf, dump_tag_prefix);
swf_free(swf);
exit(0);
}
begin_obfuscation(swf);
if (showrenames) {
int i;
for (i=0; i<swf->renames; i++) {
printf("sob: rename: '%s' => '%s'\n", swf->rename[i].old_name, swf->rename[i].new_name);
}
printf("sob: %i renames total\n", swf->renames);
}
if (!swffile) {
swffile = malloc(strlen(argv[i]) + 15);
sprintf(swffile, "obfuscated_%s", argv[i]);
}
if (!dontsave) {
if (!swf_write(swf, swffile)) {
fprintf(stderr, "sob: failed to write swf file '%s'\n", swffile);
} else {
if (!quiet) printf("sob: wrote swf file '%s' with body length %i\n", swffile, (int)swf->body_length);
}
} else {
if (!quiet) printf("sob: pretending i wrote swf file '%s' with body length %i\n", swffile, (int)swf->body_length);
}
if (!outfile) free(swffile);
outfile = NULL;
swf_free(swf);
}
}
