// Make this a proper scanner that feeds into bison
be_node_t *
be_decode(const char *str, uint64_t size){
be_node_t *node = NULL;
if(node == NULL) return node;
bencode_parse(&node, str, size);
return node;
}
int main(int argc, char *argv[])
{
char *benstring;
unsigned char *hash;
char *infostr;
bencode_val *benval;
bencode_val *info;
size_t benstringlen;
size_t infostrlen;
size_t hashlen;
int i;
parseargs(argc, argv);
openfile();
benstring = freadall(in, &benstringlen);
benval = bencode_parse(benstring, benstringlen);
if(benval == NULL) {
fprintf(stderr, "Failed to parse bencoding.\n");
exit(EXIT_FAILURE);
}
info = bencode_dict_get((bencode_dict *)benval, "info");
if(info == NULL) {
fprintf(stderr, "Failed to find info segment of file.\n");
exit(EXIT_FAILURE);
}
infostr = bencode_val_string(info, &infostrlen);
hash = sha1(infostr, infostrlen, &hashlen);
for(i = 0; i < hashlen; i++)
printf("%.2hhX", hash[i]);
puts("");
free(infostr);
free(hash);
free(benstring);
bencode_free_recursive(benval);
exit(EXIT_SUCCESS);
}
