Exemplo n.º 1
0
static void do_scan(void) {
	int flg = 1, len; unsigned char *p;
	int stateid = 0;
	while(flg || bufpos < buffill) {
		const short *next_tbl = statemap[stateid];
		flg = refill_buf();
		for(;;) {
			if(next_tbl[0] < 0 || next_tbl[0] == buf[bufpos]) {
				stateid = next_tbl[1]; break;
			}
			next_tbl += 2;
		}
		bufpos++;
		if(stateid == STATE_FOUND_PUBKEY || stateid == STATE_FOUND_PUBKEY_2 || stateid == STATE_FOUND_PUBKEY_COMP ) {
			//printf("Found potential key!\n");
			refill_buf();
			do_recover_pubkey();
		} else if(stateid == STATE_FOUND_PUBKEY_J ) {
			refill_buf();
			do_recover_pubkey_j();
		} else if(stateid == STATE_FOUND_PRIVKEY) {
			refill_buf();
			do_recover_privkey(bufpos);
		}
	}
}
Exemplo n.º 2
0
static ssize_t perf_read(struct file *file, char __user *buf,
		size_t sz, loff_t *ppos)
{
	struct msm_perf_state *perf = file->private_data;
	int n = 0, ret;

	mutex_lock(&perf->read_lock);

	if (perf->bufpos >= perf->buftot) {
		ret = refill_buf(perf);
		if (ret)
			goto out;
	}

	n = min((int)sz, perf->buftot - perf->bufpos);
	ret = copy_to_user(buf, &perf->buf[perf->bufpos], n);
	if (ret)
		goto out;

	perf->bufpos += n;
	*ppos += n;

out:
	mutex_unlock(&perf->read_lock);
	if (ret)
		return ret;
	return n;
}