Limit keyfile imports to some sane size

git-svn-id: https://connectbot.googlecode.com/svn/trunk/connectbot@349 df292f66-193f-0410-a5fc-6d59da041ff2

1 files changed, 9 insertions, 0 deletions

diff --git a/src/org/connectbot/PubkeyListActivity.java b/src/org/connectbot/PubkeyListActivity.java
index 452e3b4..2393c93 100644
--- a/src/org/connectbot/PubkeyListActivity.java
+++ b/src/org/connectbot/PubkeyListActivity.java
@@ -80,6 +80,8 @@ import com.trilead.ssh2.crypto.PEMStructure;
 public class PubkeyListActivity extends ListActivity implements EventListener {
 	public final static String TAG = "ConnectBot.PubkeyListActivity";
 
+	private static final int MAX_KEYFILE_SIZE = 8192;
+
 	protected PubkeyDatabase pubkeydb;
 	private List<PubkeyBean> pubkeys;
 
@@ -240,6 +242,13 @@ public class PubkeyListActivity extends ListActivity implements EventListener {
 							pubkey.setNickname(name);
 							File actual = new File(sdcard, name);
 
+							if (actual.length() > MAX_KEYFILE_SIZE) {
+								Toast.makeText(PubkeyListActivity.this,
+										R.string.pubkey_import_parse_problem,
+										Toast.LENGTH_LONG).show();
+								return;
+							}
+
 							// parse the actual key once to check if its encrypted
 							// then save original file contents into our database
 							try {