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// AdiumOTREncryption.m
// Adium
//
// Created by Evan Schoenberg on 12/28/05.
//
#import "AdiumOTREncryption.h"
#import <Adium/AIContentMessage.h>
#import <Adium/AIAccountControllerProtocol.h>
#import <Adium/AIChatControllerProtocol.h>
#import <Adium/AIContactControllerProtocol.h>
#import <Adium/AIContentControllerProtocol.h>
#import <Adium/AIInterfaceControllerProtocol.h>
#import <Adium/AILoginControllerProtocol.h>
#import <Adium/AIAccount.h>
#import <Adium/AIChat.h>
#import <Adium/AIService.h>
#import <Adium/AIContentMessage.h>
#import <Adium/AIListObject.h>
#import <Adium/AIListContact.h>
#import "AIHTMLDecoder.h"
#import <AIUtilities/AIStringAdditions.h>
#import "ESOTRPrivateKeyGenerationWindowController.h"
#import "ESOTRPreferences.h"
#import "ESOTRUnknownFingerprintController.h"
#import "OTRCommon.h"
#import <stdlib.h>
#define PRIVKEY_PATH [[[adium.loginController userDirectory] stringByAppendingPathComponent:@"otr.private_key"] UTF8String]
#define STORE_PATH [[[adium.loginController userDirectory] stringByAppendingPathComponent:@"otr.fingerprints"] UTF8String]
#define CLOSED_CONNECTION_MESSAGE "has closed his private connection to you"
/* OTRL_POLICY_MANUAL doesn't let us respond to other users' automatic attempts at encryption.
* If either user has OTR set to Automatic, an OTR session should be begun; without this modified
* mask, both users would have to be on automatic for OTR to begin automatically, even though one user
* _manually_ attempting OTR will _automatically_ bring the other into OTR even if the setting is Manual.
*/
#define OTRL_POLICY_MANUAL_AND_RESPOND_TO_WHITESPACE ( OTRL_POLICY_MANUAL | \
OTRL_POLICY_WHITESPACE_START_AKE | \
OTRL_POLICY_ERROR_START_AKE )
@interface AdiumOTREncryption ()
- (void)prepareEncryption;
- (void)setSecurityDetails:(NSDictionary *)securityDetailsDict forChat:(AIChat *)inChat;
- (NSString *)localizedOTRMessage:(NSString *)message withUsername:(NSString *)username isWorthOpeningANewChat:(BOOL *)isWorthOpeningANewChat;
- (void)notifyWithTitle:(NSString *)title primary:(NSString *)primary secondary:(NSString *)secondary;
- (void)upgradeOTRIfNeeded;
@end
@implementation AdiumOTREncryption
/* We'll only use the one OtrlUserState. */
static OtrlUserState otrg_plugin_userstate = NULL;
static AdiumOTREncryption *adiumOTREncryption = nil;
void otrg_ui_update_fingerprint(void);
void update_security_details_for_chat(AIChat *chat);
void send_default_query_to_chat(AIChat *inChat);
void disconnect_from_chat(AIChat *inChat);
void disconnect_from_context(ConnContext *context);
TrustLevel otrg_plugin_context_to_trust(ConnContext *context);
- (id)init
{
//Singleton
if (adiumOTREncryption) {
[self release];
return [adiumOTREncryption retain];
}
if ((self = [super init])) {
adiumOTREncryption = self;
//Wait for Adium to finish launching to prepare encryption so that accounts will be loaded
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(adiumFinishedLaunching:)
name:AIApplicationDidFinishLoadingNotification
object:nil];
/*
gaim_signal_connect(conn_handle, "signed-on", otrg_plugin_handle,
GAIM_CALLBACK(process_connection_change), NULL);
gaim_signal_connect(conn_handle, "signed-off", otrg_plugin_handle,
GAIM_CALLBACK(process_connection_change), NULL);
*/
}
return self;
}
- (void)adiumFinishedLaunching:(NSNotification *)inNotification
{
[self prepareEncryption];
}
- (void)prepareEncryption
{
/* Initialize the OTR library */
OTRL_INIT;
[self upgradeOTRIfNeeded];
/* Make our OtrlUserState; we'll only use the one. */
otrg_plugin_userstate = otrl_userstate_create();
NSInteger err;
err = otrl_privkey_read(otrg_plugin_userstate, PRIVKEY_PATH);
if (err) {
const char *errMsg = gpg_strerror(err);
if (errMsg && strcmp(errMsg, "No such file or directory")) {
NSLog(@"Error reading %s: %s", PRIVKEY_PATH, errMsg);
}
}
otrg_ui_update_keylist();
err = otrl_privkey_read_fingerprints(otrg_plugin_userstate, STORE_PATH,
NULL, NULL);
if (err) {
const char *errMsg = gpg_strerror(err);
if (errMsg && strcmp(errMsg, "No such file or directory")) {
NSLog(@"Error reading %s: %s", STORE_PATH, errMsg);
}
}
otrg_ui_update_fingerprint();
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(adiumWillTerminate:)
name:AIAppWillTerminateNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateSecurityDetails:)
name:Chat_SourceChanged
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateSecurityDetails:)
name:Chat_DestinationChanged
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateSecurityDetails:)
name:Chat_DidOpen
object:nil];
//Add the Encryption preferences
OTRPrefs = [[ESOTRPreferences preferencePane] retain];
}
- (void)dealloc
{
[OTRPrefs release];
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
#pragma mark -
/*
* @brief Return an NSDictionary* describing a ConnContext.
*
* Key : Contents
* @"Their Fingerprint" : NSString of the contact's fingerprint's human-readable hash
* @"Our Fingerprint" : NSString of our fingerprint's human-readable hash
* @"Incoming SessionID" : NSString of the incoming sessionID
* @"Outgoing SessionID" : NSString of the outgoing sessionID
* @"EncryptionStatus" : An AIEncryptionStatus
* @"AIAccount" : The AIAccount of this context
* @"who" : The UID of the remote user *
* @result The dictinoary
*/
static NSDictionary* details_for_context(ConnContext *context)
{
if (!context) return nil;
NSDictionary *securityDetailsDict;
Fingerprint *fprint = context->active_fingerprint;
if (!fprint || !(fprint->fingerprint)) return nil;
context = fprint->context;
if (!context) return nil;
TrustLevel level = otrg_plugin_context_to_trust(context);
AIEncryptionStatus encryptionStatus;
AIAccount *account;
switch (level) {
default:
case TRUST_NOT_PRIVATE:
encryptionStatus = EncryptionStatus_None;
break;
case TRUST_UNVERIFIED:
encryptionStatus = EncryptionStatus_Unverified;
break;
case TRUST_PRIVATE:
encryptionStatus = EncryptionStatus_Verified;
break;
case TRUST_FINISHED:
encryptionStatus = EncryptionStatus_Finished;
break;
}
char our_hash[45], their_hash[45];
otrl_privkey_fingerprint(otrg_get_userstate(), our_hash,
context->accountname, context->protocol);
otrl_privkey_hash_to_human(their_hash, fprint->fingerprint);
unsigned char *sessionid;
char sess1[21], sess2[21];
BOOL sess1_outgoing = (context->sessionid_half == OTRL_SESSIONID_FIRST_HALF_BOLD);
size_t idhalflen = (context->sessionid_len) / 2;
/* Make a human-readable version of the sessionid (in two parts) */
sessionid = context->sessionid;
for(NSUInteger i = 0; i < idhalflen; ++i) sprintf(sess1+(2*i), "%02x", sessionid[i]);
for(NSUInteger i = 0; i < idhalflen; ++i) sprintf(sess2+(2*i), "%02x", sessionid[i+idhalflen]);
account = [adium.accountController accountWithInternalObjectID:[NSString stringWithUTF8String:context->accountname]];
securityDetailsDict = [NSDictionary dictionaryWithObjectsAndKeys:
[NSString stringWithUTF8String:their_hash], @"Their Fingerprint",
[NSString stringWithUTF8String:our_hash], @"Our Fingerprint",
[NSNumber numberWithInteger:encryptionStatus], @"EncryptionStatus",
account, @"AIAccount",
[NSString stringWithUTF8String:context->username], @"who",
[NSString stringWithUTF8String:sess1], (sess1_outgoing ? @"Outgoing SessionID" : @"Incoming SessionID"),
[NSString stringWithUTF8String:sess2], (sess1_outgoing ? @"Incoming SessionID" : @"Outgoing SessionID"),
nil];
AILog(@"Security details: %@",securityDetailsDict);
return securityDetailsDict;
}
static AIAccount* accountFromAccountID(const char *accountID)
{
return [adium.accountController accountWithInternalObjectID:[NSString stringWithUTF8String:accountID]];
}
static AIService* serviceFromServiceID(const char *serviceID)
{
return [adium.accountController serviceWithUniqueID:[NSString stringWithUTF8String:serviceID]];
}
static AIListContact* contactFromInfo(const char *accountID, const char *serviceID, const char *username)
{
return [adium.contactController contactWithService:serviceFromServiceID(serviceID)
account:accountFromAccountID(accountID)
UID:[NSString stringWithUTF8String:username]];
}
static AIListContact* contactForContext(ConnContext *context)
{
return contactFromInfo(context->accountname, context->protocol, context->username);
}
static AIChat* chatForContext(ConnContext *context)
{
AIListContact *listContact = contactForContext(context);
AIChat *chat = [adium.chatController existingChatWithContact:listContact];
if (!chat) {
chat = [adium.chatController chatWithContact:listContact];
}
return chat;
}
static OtrlPolicy policyForContact(AIListContact *contact)
{
OtrlPolicy policy = OTRL_POLICY_MANUAL_AND_RESPOND_TO_WHITESPACE;
//Force OTRL_POLICY_MANUAL when interacting with mobile numbers
if ([contact.UID hasPrefix:@"+"]) {
policy = OTRL_POLICY_MANUAL_AND_RESPOND_TO_WHITESPACE;
} else {
AIEncryptedChatPreference pref = contact.encryptedChatPreferences;
switch (pref) {
case EncryptedChat_Never:
policy = OTRL_POLICY_NEVER;
break;
case EncryptedChat_Manually:
case EncryptedChat_Default:
policy = OTRL_POLICY_MANUAL_AND_RESPOND_TO_WHITESPACE;
break;
case EncryptedChat_Automatically:
policy = OTRL_POLICY_OPPORTUNISTIC;
break;
case EncryptedChat_RejectUnencryptedMessages:
policy = OTRL_POLICY_ALWAYS;
break;
}
}
return policy;
}
//Return the ConnContext for a Conversation, or NULL if none exists
static ConnContext* contextForChat(AIChat *chat)
{
AIAccount *account;
const char *username, *accountname, *proto;
ConnContext *context;
/* Do nothing if this isn't an IM conversation */
if (chat.isGroupChat) return nil;
account = chat.account;
accountname = [account.internalObjectID UTF8String];
proto = [account.service.serviceCodeUniqueID UTF8String];
username = [chat.listObject.UID UTF8String];
context = otrl_context_find(otrg_plugin_userstate,
username, accountname, proto, 0, NULL,
NULL, NULL);
return context;
}
/* What level of trust do we have in the privacy of this ConnContext? */
TrustLevel otrg_plugin_context_to_trust(ConnContext *context)
{
TrustLevel level = TRUST_NOT_PRIVATE;
if (context && context->msgstate == OTRL_MSGSTATE_ENCRYPTED) {
if (context->active_fingerprint->trust &&
context->active_fingerprint->trust[0] != '\0') {
level = TRUST_PRIVATE;
} else {
level = TRUST_UNVERIFIED;
}
} else if (context && context->msgstate == OTRL_MSGSTATE_FINISHED) {
level = TRUST_FINISHED;
}
return level;
}
#pragma mark -
/* Return the OTR policy for the given context. */
static OtrlPolicy policy_cb(void *opdata, ConnContext *context)
{
return policyForContact(contactForContext(context));
}
/* Generate a private key for the given accountname/protocol */
void otrg_plugin_create_privkey(const char *accountname,
const char *protocol)
{
AIAccount *account = accountFromAccountID(accountname);
AIService *service = serviceFromServiceID(protocol);
NSString *identifier = [NSString stringWithFormat:@"%@ (%@)",account.formattedUID, [service shortDescription]];
[ESOTRPrivateKeyGenerationWindowController startedGeneratingForIdentifier:identifier];
/* Generate the key */
otrl_privkey_generate(otrg_plugin_userstate, PRIVKEY_PATH,
accountname, protocol);
otrg_ui_update_keylist();
/* Mark the dialog as done. */
[ESOTRPrivateKeyGenerationWindowController finishedGeneratingForIdentifier:identifier];
}
/* Create a private key for the given accountname/protocol if
* desired. */
static void create_privkey_cb(void *opdata, const char *accountname,
const char *protocol)
{
otrg_plugin_create_privkey(accountname, protocol);
}
/* Report whether you think the given user is online. Return 1 if
* you think he is, 0 if you think he isn't, -1 if you're not sure.
*
* If you return 1, messages such as heartbeats or other
* notifications may be sent to the user, which could result in "not
* logged in" errors if you're wrong. */
static int is_logged_in_cb(void *opdata, const char *accountname,
const char *protocol, const char *recipient)
{
AIListContact *contact = contactFromInfo(accountname, protocol, recipient);
if ([contact statusSummary] == AIUnknownStatus)
return -1;
else
return (contact.online ? 1 : 0);
}
/* Send the given IM to the given recipient from the given
* accountname/protocol. */
static void inject_message_cb(void *opdata, const char *accountname,
const char *protocol, const char *recipient, const char *message)
{
[adium.contentController sendRawMessage:[NSString stringWithUTF8String:message]
toContact:contactFromInfo(accountname, protocol, recipient)];
}
/*!
* @brief Display an OTR message
*
* This should be displayed within the relevant chat.
*
* @result 0 if we handled displaying the message; 1 if we could not
*/
static NSInteger display_otr_message(const char *accountname, const char *protocol,
const char *username, const char *msg)
{
NSString *message;
AIListContact *listContact = contactFromInfo(accountname, protocol, username);
AIChat *chat;
AIContentMessage *messageObject;
//We couldn't determine a listContact, so return that we didn't handle the message
if (!listContact) return 1;
chat = [adium.chatController existingChatWithContact:listContact];
message = [NSString stringWithUTF8String:msg];
AILog(@"display_otr_message: %s %s %s: %s",accountname,protocol,username, msg);
if (([message rangeOfString:@"<b>The following message received from"].location != NSNotFound) &&
([message rangeOfString:@"was <i>not</i> encrypted: ["].location != NSNotFound)) {
/*
* If we receive an unencrypted message, display it as a normal incoming message with the bolded warning that
* the message was not encrypted
*/
NSRange endRange = [message rangeOfString:@"was <i>not</i> encrypted: ["];
/* The message will be formatted as:
* <b>The following message received from tekjew was <i>not</i> encrypted: [</b>MESSAGE_HERE - POTENTIALLY HTML<b>]</b>
*/
NSString *OTRMessage = [adiumOTREncryption localizedOTRMessage:@"The following message was <b>not encrypted</b>: "
withUsername:nil
isWorthOpeningANewChat:NULL];
message = [OTRMessage stringByAppendingString:
[message substringWithRange:NSMakeRange(NSMaxRange(endRange),
([message length] - NSMaxRange(endRange) - [@"<b>]</b>" length]))]];
//Create a new chat if necessary
if (!chat) chat = [adium.chatController chatWithContact:listContact];
messageObject = [AIContentMessage messageInChat:chat
withSource:listContact
destination:chat.account
date:nil
message:[AIHTMLDecoder decodeHTML:message]
autoreply:NO];
[adium.contentController receiveContentObject:messageObject];
} else {
BOOL isWorthOpeningANewChat = NO;
//All other OTR messages should be displayed as status messages; decode the message to strip any HTML
message = [adiumOTREncryption localizedOTRMessage:message
withUsername:listContact.displayName
isWorthOpeningANewChat:&isWorthOpeningANewChat];
if (isWorthOpeningANewChat) {
//Create a new chat if we don't already have one and this message is worth it
if (!chat)
chat = [adium.chatController chatWithContact:listContact];
} else {
/* It's not worth opening a new chat. If we found a chat but it's not open, which can happen if the chat is still
* being used by some delayed process, don't display a message thereby opening it.
*/
if (![chat isOpen]) chat = nil;
}
if (chat) {
[adium.contentController displayEvent:[[AIHTMLDecoder decodeHTML:message] string]
ofType:@"encryption"
inChat:chat];
}
}
//We handled it
return 0;
}
/* Display a notification message for a particular accountname /
* protocol / username conversation. */
static void notify_cb(void *opdata, OtrlNotifyLevel level,
const char *accountname, const char *protocol, const char *username,
const char *title, const char *primary, const char *secondary)
{
AIListContact *listContact = contactFromInfo(accountname, protocol, username);
NSString *displayName = listContact.displayName;
[adiumOTREncryption notifyWithTitle:[adiumOTREncryption localizedOTRMessage:[NSString stringWithUTF8String:title]
withUsername:displayName
isWorthOpeningANewChat:NULL]
primary:[adiumOTREncryption localizedOTRMessage:[NSString stringWithUTF8String:primary]
withUsername:displayName
isWorthOpeningANewChat:NULL]
secondary:[adiumOTREncryption localizedOTRMessage:[NSString stringWithUTF8String:secondary]
withUsername:displayName
isWorthOpeningANewChat:NULL]];
}
/* Display an OTR control message for a particular accountname /
* protocol / username conversation. Return 0 if you are able to
* successfully display it. If you return non-0 (or if this
* function is NULL), the control message will be displayed inline,
* as a received message, or else by using the above notify()
* callback. */
static int display_otr_message_cb(void *opdata, const char *accountname,
const char *protocol, const char *username, const char *msg)
{
return display_otr_message(accountname, protocol, username, msg);
}
/* When the list of ConnContexts changes (including a change in
* state), this is called so the UI can be updated. */
static void update_context_list_cb(void *opdata)
{
otrg_ui_update_keylist();
}
/* Return a newly allocated string containing a human-friendly
* representation for the given account */
static const char *account_display_name_cb(void *opdata, const char *accountname, const char *protocol)
{
return strdup([[accountFromAccountID(accountname) formattedUID] UTF8String]);
}
/* Deallocate a string returned by account_name */
static void account_display_name_free_cb(void *opdata, const char *account_display_name)
{
if (account_display_name)
free((char *)account_display_name);
}
/* Return a newly allocated string containing a human-friendly name
* for the given protocol id */
static const char *protocol_name_cb(void *opdata, const char *protocol)
{
return strdup([[serviceFromServiceID(protocol) shortDescription] UTF8String]);
}
/* Deallocate a string allocated by protocol_name */
static void protocol_name_free_cb(void *opdata, const char *protocol_name)
{
if (protocol_name)
free((char *)protocol_name);
}
/* A new fingerprint for the given user has been received. */
static void new_fingerprint_cb(void *opdata, OtrlUserState us,
const char *accountname, const char *protocol, const char *username,
unsigned char fingerprint[20])
{
ConnContext *context;
context = otrl_context_find(us, username, accountname,
protocol, 0, NULL, NULL, NULL);
if (context == NULL/* || context->msgstate != OTRL_MSGSTATE_ENCRYPTED*/) {
NSLog(@"otrg_adium_dialog_unknown_fingerprint: Ack!");
return;
}
[adiumOTREncryption performSelector:@selector(verifyUnknownFingerprint:)
withObject:[NSValue valueWithPointer:context]
afterDelay:0];
}
/* The list of known fingerprints has changed. Write them to disk. */
static void write_fingerprints_cb(void *opdata)
{
otrg_plugin_write_fingerprints();
}
/* A ConnContext has entered a secure state. */
static void gone_secure_cb(void *opdata, ConnContext *context)
{
AIChat *chat = chatForContext(context);
update_security_details_for_chat(chat);
otrg_ui_update_fingerprint();
}
/* A ConnContext has left a secure state. */
static void gone_insecure_cb(void *opdata, ConnContext *context)
{
AIChat *chat = chatForContext(context);
update_security_details_for_chat(chat);
otrg_ui_update_fingerprint();
}
/* We have completed an authentication, using the D-H keys we
* already knew. is_reply indicates whether we initiated the AKE. */
static void still_secure_cb(void *opdata, ConnContext *context, int is_reply)
{
if (is_reply == 0) {
// otrg_dialog_stillconnected(context);
AILog(@"Still secure...");
}
}
/* Log a message. The passed message will end in "\n". */
static void log_message_cb(void *opdata, const char *message)
{
AILog(@"%@", [NSString stringWithFormat:@"otr: %s", (message ? message : "(null)")]);
}
/*!
* @brief Find the maximum message size supported by this protocol.
*
* This method is called whenever a message is about to be sent with
* fragmentation enabled. The return value is checked against the size of
* the message to be sent to determine whether fragmentation is necessary.
*
* Setting max_message_size to NULL will disable the fragmentation of all
* sent messages; returning 0 from this callback will disable fragmentation
* of a particular message. The latter is useful, for example, for
* protocols like XMPP (Jabber) that do not require fragmentation at all.
*/
int max_message_size_cb(void *opdata, ConnContext *context)
{
AIChat *chat = chatForContext(context);
/* Values from http://www.cypherpunks.ca/otr/UPGRADING-libotr-3.1.0.txt */
static NSDictionary *maxSizeByServiceClassDict = nil;
if (!maxSizeByServiceClassDict) {
maxSizeByServiceClassDict = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSNumber numberWithInteger:2343], @"AIM-compatible",
[NSNumber numberWithInteger:1409], @"MSN",
[NSNumber numberWithInteger:832], @"Yahoo!",
[NSNumber numberWithInteger:1999], @"Gadu-Gadu",
[NSNumber numberWithInteger:417], @"IRC",
nil];
}
/* This will return 0 if we don't know (unknown protocol) or don't need it (Jabber),
* which will disable fragmentation.
*/
return [[maxSizeByServiceClassDict objectForKey:chat.account.service.serviceClass] integerValue];
}
static OtrlMessageAppOps ui_ops = {
policy_cb,
create_privkey_cb,
is_logged_in_cb,
inject_message_cb,
notify_cb,
display_otr_message_cb,
update_context_list_cb,
protocol_name_cb,
protocol_name_free_cb,
new_fingerprint_cb,
write_fingerprints_cb,
gone_secure_cb,
gone_insecure_cb,
still_secure_cb,
log_message_cb,
max_message_size_cb,
account_display_name_cb,
account_display_name_free_cb,
};
#pragma mark -
- (void)willSendContentMessage:(AIContentMessage *)inContentMessage
{
const char *originalMessage = [[inContentMessage encodedMessage] UTF8String];
AIAccount *account = (AIAccount *)[inContentMessage source];
const char *accountname = [account.internalObjectID UTF8String];
const char *protocol = [account.service.serviceCodeUniqueID UTF8String];
const char *username = [[[inContentMessage destination] UID] UTF8String];
char *fullOutgoingMessage = NULL;
gcry_error_t err;
if (!username || !originalMessage)
return;
err = otrl_message_sending(otrg_plugin_userstate, &ui_ops, /* opData */ NULL,
accountname, protocol, username, originalMessage, /* tlvs */ NULL, &fullOutgoingMessage,
/* add_appdata cb */NULL, /* appdata */ NULL);
if (err && fullOutgoingMessage == NULL) {
//Be *sure* not to send out plaintext
[inContentMessage setEncodedMessage:nil];
} else if (fullOutgoingMessage) {
/* We got a message to send. Fragment it, saving the last fragment so Adium has something to do (and therefore
* knows that a message is really being sent.
*/
char *lastFragmentOfMessage = NULL;
ConnContext *context = contextForChat(inContentMessage.chat);
err = otrl_message_fragment_and_send(&ui_ops, /* opData */ NULL, context,
fullOutgoingMessage, OTRL_FRAGMENT_SEND_ALL_BUT_LAST, &lastFragmentOfMessage);
//This new message is what should be sent to the remote contact
[inContentMessage setEncodedMessage:[NSString stringWithUTF8String:lastFragmentOfMessage]];
//We're now done with the messages allocated by OTR
otrl_message_free(fullOutgoingMessage);
otrl_message_free(lastFragmentOfMessage);
}
}
/* Abort the SMP protocol. Used when malformed or unexpected messages
* are received. */
static void otrg_plugin_abort_smp(ConnContext *context)
{
otrl_message_abort_smp(otrg_plugin_userstate, &ui_ops, NULL, context);
}
/* Start the Socialist Millionaires' Protocol over the current connection,
* using the given initial secret. */
void otrg_plugin_start_smp(ConnContext *context,
const unsigned char *secret, size_t secretlen)
{
otrl_message_initiate_smp(otrg_plugin_userstate, &ui_ops, NULL,
context, secret, secretlen);
}
/* Continue the Socialist Millionaires' Protocol over the current connection,
* using the given initial secret (ie finish step 2). */
void otrg_plugin_continue_smp(ConnContext *context,
const unsigned char *secret, size_t secretlen)
{
otrl_message_respond_smp(otrg_plugin_userstate, &ui_ops, NULL,
context, secret, secretlen);
}
/* Show a dialog asking the user to respond to an SMP secret sent by a remote contact.
* Our user should enter the same secret entered by the remote contact. */
static void otrg_dialogue_respond_socialist_millionaires(ConnContext *context)
{
if (context == NULL || context->msgstate != OTRL_MSGSTATE_ENCRYPTED)
return;
/* XXX Implement me - prompt to respond to a secret, and then call
* otrg_plugin_continue_smp() with the secret and the appropriate context */
}
static void otrg_dialog_update_smp(ConnContext *context, CGFloat percentage)
{
/* SMP status update */
}
- (NSString *)decryptIncomingMessage:(NSString *)inString fromContact:(AIListContact *)inListContact onAccount:(AIAccount *)inAccount
{
NSString *decryptedMessage = nil;
const char *message = [inString UTF8String];
char *newMessage = NULL;
OtrlTLV *tlvs = NULL;
OtrlTLV *tlv = NULL;
const char *username = [inListContact.UID UTF8String];
const char *accountname = [inAccount.internalObjectID UTF8String];
const char *protocol = [inAccount.service.serviceCodeUniqueID UTF8String];
BOOL res;
/* If newMessage is set to non-NULL and res is 0, use newMessage.
* If newMessage is set to non-NULL and res is not 0, display nothing as this was an OTR message
* If newMessage is set to NULL and res is 0, use message
*/
res = otrl_message_receiving(otrg_plugin_userstate, &ui_ops, NULL,
accountname, protocol, username, message,
&newMessage, &tlvs, NULL, NULL);
if (!newMessage && !res) {
//Use the original mesage; this was not an OTR-related message
decryptedMessage = inString;
} else if (newMessage && !res) {
//We decryped an OTR-encrypted message
decryptedMessage = [NSString stringWithUTF8String:newMessage];
} else /* (newMessage && res) */{
//This was an OTR protocol message
decryptedMessage = nil;
}
if (newMessage)
otrl_message_free(newMessage);
tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED);
if (tlv) {
/* Notify the user that the other side disconnected. */
display_otr_message(accountname, protocol, username, CLOSED_CONNECTION_MESSAGE);
otrg_ui_update_keylist();
}
/* Keep track of our current progress in the Socialist Millionaires'
* Protocol. */
ConnContext *context = otrl_context_find(otrg_plugin_userstate, username,
accountname, protocol, 0, NULL, NULL, NULL);
if (context) {
NextExpectedSMP nextMsg = context->smstate->nextExpected;
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT1)
otrg_plugin_abort_smp(context);
else {
otrg_dialogue_respond_socialist_millionaires(context);
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP2);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT2)
otrg_plugin_abort_smp(context);
else {
otrg_dialog_update_smp(context, 0.6);
context->smstate->nextExpected = OTRL_SMP_EXPECT4;
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP3);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT3)
otrg_plugin_abort_smp(context);
else {
otrg_dialog_update_smp(context, 1.0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP4);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT4)
otrg_plugin_abort_smp(context);
else {
otrg_dialog_update_smp(context, 1.0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP_ABORT);
if (tlv) {
otrg_dialog_update_smp(context, 0.0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
}
}
otrl_tlv_free(tlvs);
return decryptedMessage;
}
- (void)requestSecureOTRMessaging:(BOOL)inSecureMessaging inChat:(AIChat *)inChat
{
if (inSecureMessaging) {
send_default_query_to_chat(inChat);
} else {
disconnect_from_chat(inChat);
}
}
- (void)promptToVerifyEncryptionIdentityInChat:(AIChat *)inChat
{
ConnContext *context = contextForChat(inChat);
NSDictionary *responseInfo = details_for_context(context);;
[ESOTRUnknownFingerprintController showVerifyFingerprintPromptWithResponseInfo:responseInfo];
}
/*!
* @brief Adium will begin terminating
*
* Send the OTRL_TLV_DISCONNECTED packets when we're about to quit before we disconnect
*/
- (void)adiumWillTerminate:(NSNotification *)inNotification
{
ConnContext *context = otrg_plugin_userstate->context_root;
while(context) {
ConnContext *next = context->next;
if (context->msgstate == OTRL_MSGSTATE_ENCRYPTED &&
context->protocol_version > 1) {
disconnect_from_context(context);
}
context = next;
}
}
/*!
* @brief A chat notification was posted after which we should update our security details
*
* @param inNotification A notification whose object is the AIChat in question
*/
- (void)updateSecurityDetails:(NSNotification *)inNotification
{
AILog(@"Updating security details for %@",[inNotification object]);
update_security_details_for_chat([inNotification object]);
}
void update_security_details_for_chat(AIChat *inChat)
{
ConnContext *context = contextForChat(inChat);
[adiumOTREncryption setSecurityDetails:details_for_context(context)
forChat:inChat];
}
- (void)setSecurityDetails:(NSDictionary *)securityDetailsDict forChat:(AIChat *)inChat
{
if (inChat) {
NSMutableDictionary *fullSecurityDetailsDict;
if (securityDetailsDict) {
NSString *format, *description;
fullSecurityDetailsDict = [[securityDetailsDict mutableCopy] autorelease];
/* Encrypted by Off-the-Record Messaging
*
* Fingerprint for TekJew:
* <Fingerprint>
*
* Secure ID for this session:
* Incoming: <Incoming SessionID>
* Outgoing: <Outgoing SessionID>
*/
format = [@"%@\n\n" stringByAppendingString:AILocalizedString(@"Fingerprint for %@:","Fingerprint for <name>:")];
format = [format stringByAppendingString:@"\n%@\n\n%@\n%@ %@\n%@ %@"];
description = [NSString stringWithFormat:format,
AILocalizedString(@"Encrypted by Off-the-Record Messaging",nil),
[[inChat listObject] formattedUID],
[securityDetailsDict objectForKey:@"Their Fingerprint"],
AILocalizedString(@"Secure ID for this session:",nil),
AILocalizedString(@"Incoming:","This is shown before the Off-the-Record Session ID (a series of numbers and letters) sent by the other party with whom you are having an encrypted chat."),
[securityDetailsDict objectForKey:@"Incoming SessionID"],
AILocalizedString(@"Outgoing:","This is shown before the Off-the-Record Session ID (a series of numbers and letters) sent by you to the other party with whom you are having an encrypted chat."),
[securityDetailsDict objectForKey:@"Outgoing SessionID"],
nil];
[fullSecurityDetailsDict setObject:description
forKey:@"Description"];
} else {
fullSecurityDetailsDict = nil;
}
[inChat setSecurityDetails:fullSecurityDetailsDict];
}
}
#pragma mark -
void send_default_query_to_chat(AIChat *inChat)
{
//Note that we pass a name for display, not internal usage
char *msg = otrl_proto_default_query_msg([inChat.account.formattedUID UTF8String],
policyForContact([inChat listObject]));
[adium.contentController sendRawMessage:[NSString stringWithUTF8String:(msg ? msg : "?OTRv2?")]
toContact:[inChat listObject]];
if (msg)
free(msg);
}
/* Disconnect a context, sending a notice to the other side, if
* appropriate. */
void disconnect_from_context(ConnContext *context)
{
otrl_message_disconnect(otrg_plugin_userstate, &ui_ops, NULL,
context->accountname, context->protocol, context->username);
gone_insecure_cb(NULL, context);
}
void disconnect_from_chat(AIChat *inChat)
{
disconnect_from_context(contextForChat(inChat));
}
#pragma mark -
/* Forget a fingerprint */
void otrg_ui_forget_fingerprint(Fingerprint *fingerprint)
{
ConnContext *context;
/* Don't do anything with the active fingerprint if we're in the
* ENCRYPTED state. */
context = (fingerprint ? fingerprint->context : NULL);
if (context && (context->msgstate == OTRL_MSGSTATE_ENCRYPTED &&
context->active_fingerprint == fingerprint)) return;
otrl_context_forget_fingerprint(fingerprint, 1);
otrg_plugin_write_fingerprints();
}
void otrg_plugin_write_fingerprints(void)
{
otrl_privkey_write_fingerprints(otrg_plugin_userstate, STORE_PATH);
otrg_ui_update_fingerprint();
}
void otrg_ui_update_keylist(void)
{
[adiumOTREncryption prefsShouldUpdatePrivateKeyList];
}
void otrg_ui_update_fingerprint(void)
{
[adiumOTREncryption prefsShouldUpdateFingerprintsList];
}
OtrlUserState otrg_get_userstate(void)
{
return otrg_plugin_userstate;
}
#pragma mark -
- (void)verifyUnknownFingerprint:(NSValue *)contextValue
{
NSDictionary *responseInfo;
responseInfo = details_for_context([contextValue pointerValue]);
[ESOTRUnknownFingerprintController showUnknownFingerprintPromptWithResponseInfo:responseInfo];
}
/*!
* @brief Call this function when our DSA key is updated; it will redraw the Encryption preferences item, if visible.
*/
- (void)prefsShouldUpdatePrivateKeyList
{
[OTRPrefs updatePrivateKeyList];
}
/*!
* @brief Update the list of other users' fingerprints, if it's visible
*/
- (void)prefsShouldUpdateFingerprintsList
{
[OTRPrefs updateFingerprintsList];
}
#pragma mark Localization
/*!
* @brief Given an English message from libotr, construct a localized version
*
* @param message The original message, which was sent by libotr in English
* @param username A username (screenname) for substitution purposes as appropriate. May be nil.
* @param isWorthOpeningANewChat On return, YES if display of this message should open a chat if one doesn't exist. Pass NULL if you don't care.
*/
- (NSString *)localizedOTRMessage:(NSString *)message withUsername:(NSString *)username isWorthOpeningANewChat:(BOOL *)isWorthOpeningANewChat
{
NSString *localizedOTRMessage = nil;
if (isWorthOpeningANewChat) *isWorthOpeningANewChat = NO;
if (([message rangeOfString:@"You sent unencrypted data to"].location != NSNotFound) &&
([message rangeOfString:@"who wasn't expecting it"].location != NSNotFound)) {
localizedOTRMessage = [NSString stringWithFormat:
AILocalizedString(@"You sent an unencrypted message, but %@ was expecting encryption.", "Message when sending unencrypted messages to a contact expecting encrypted ones. %s will be a name."),
username];
} else if (([message rangeOfString:@"You sent encrypted data to"].location != NSNotFound) &&
([message rangeOfString:@"who wasn't expecting it"].location != NSNotFound)) {
localizedOTRMessage = [NSString stringWithFormat:
AILocalizedString(@"You sent an encrypted message, but %@ was not expecting encryption.", "Message when sending encrypted messages to a contact expecting unencrypted ones. %s will be a name."),
username];
if (isWorthOpeningANewChat) *isWorthOpeningANewChat = YES;
} else if ([message rangeOfString:@CLOSED_CONNECTION_MESSAGE].location != NSNotFound) {
localizedOTRMessage = [NSString stringWithFormat:
AILocalizedString(@"%@ is no longer using encryption; you should cancel encryption on your side.", "Message when the remote contact cancels his half of an encrypted conversation. %s will be a name."),
username];
} else if ([message isEqualToString:@"Private connection closed"]) {
localizedOTRMessage = AILocalizedString(@"Private connection closed", nil);
} else if ([message rangeOfString:@"has already closed his private connection to you"].location != NSNotFound) {
localizedOTRMessage = [NSString stringWithFormat:
AILocalizedString(@"%@'s private connection to you is closed.", "Statement that someone's private (encrypted) connection is closed."),
username];
} else if ([message isEqualToString:@"Your message was not sent. Either close your private connection to him, or refresh it."]) {
localizedOTRMessage = AILocalizedString(@"Your message was not sent. You should end the encrypted chat on your side or re-request encryption.", nil);
if (isWorthOpeningANewChat) *isWorthOpeningANewChat = YES;
} else if ([message isEqualToString:@"The following message was <b>not encrypted</b>: "]) {
localizedOTRMessage = AILocalizedString(@"The following message was <b>not encrypted</b>: ", nil);
if (isWorthOpeningANewChat) *isWorthOpeningANewChat = YES;
} else if ([message rangeOfString:@"received an unreadable encrypted"].location != NSNotFound) {
localizedOTRMessage = [NSString stringWithFormat:
AILocalizedString(@"An encrypted message from %@ could not be decrypted.", nil),
username];
if (isWorthOpeningANewChat) *isWorthOpeningANewChat = YES;
}
return (localizedOTRMessage ? localizedOTRMessage : message);
}
/*!
* @brief Display a message (independent of a chat)
*
* @param title The window title
* @param primary The main information for the message
* @param secondary Additional information for the message
*/
- (void)notifyWithTitle:(NSString *)title primary:(NSString *)primary secondary:(NSString *)secondary
{
//XXX todo: search on ops->notify in message.c in libotr and handle / localize the error messages
[adium.interfaceController handleMessage:primary
withDescription:secondary
withWindowTitle:title];
}
#pragma mark Upgrading gaim-otr --> Adium-otr
/*!
* @brief Construct a dictionary converting libpurple prpl names to Adium serviceIDs for the purpose of fingerprint upgrading
*/
- (NSDictionary *)prplDict
{
return [NSDictionary dictionaryWithObjectsAndKeys:
@"libpurple-OSCAR-AIM", @"prpl-oscar",
@"libpurple-Gadu-Gadu", @"prpl-gg",
@"libpurple-Jabber", @"prpl-jabber",
@"libpurple-Sametime", @"prpl-meanwhile",
@"libpurple-MSN", @"prpl-msn",
@"libpurple-GroupWise", @"prpl-novell",
@"libpurple-Yahoo!", @"prpl-yahoo",
@"libpurple-zephyr", @"prpl-zephyr", nil];
}
- (NSString *)upgradedFingerprintsFromFile:(NSString *)inPath
{
NSString *sourceFingerprints = [NSString stringWithContentsOfUTF8File:inPath];
if (!sourceFingerprints || ![sourceFingerprints length]) return nil;
NSScanner *scanner = [NSScanner scannerWithString:sourceFingerprints];
NSMutableString *outFingerprints = [NSMutableString string];
NSCharacterSet *tabAndNewlineSet = [NSCharacterSet characterSetWithCharactersInString:@"\t\n\r"];
//Skip quotes
[scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"\""]];
NSDictionary *prplDict = [self prplDict];
while (![scanner isAtEnd]) {
//username accountname protocol key trusted\n
NSString *chunk;
NSString *username = nil, *accountname = nil, *protocol = nil, *key = nil, *trusted = nil;
//username
[scanner scanUpToCharactersFromSet:tabAndNewlineSet intoString:&username];
[scanner scanCharactersFromSet:tabAndNewlineSet intoString:NULL];
//accountname
[scanner scanUpToCharactersFromSet:tabAndNewlineSet intoString:&accountname];
[scanner scanCharactersFromSet:tabAndNewlineSet intoString:NULL];
//protocol
[scanner scanUpToCharactersFromSet:tabAndNewlineSet intoString:&protocol];
[scanner scanCharactersFromSet:tabAndNewlineSet intoString:NULL];
//key
[scanner scanUpToCharactersFromSet:tabAndNewlineSet intoString:&key];
[scanner scanCharactersFromSet:tabAndNewlineSet intoString:&chunk];
//We have a trusted entry
if ([chunk isEqualToString:@"\t"]) {
//key
[scanner scanUpToCharactersFromSet:tabAndNewlineSet intoString:&trusted];
[scanner scanCharactersFromSet:tabAndNewlineSet intoString:NULL];
} else {
trusted = nil;
}
if (username && accountname && protocol && key) {
for (AIAccount *account in adium.accountController.accounts) {
//Hit every possibile name for this account along the way
if ([[NSSet setWithObjects:account.UID,account.formattedUID,[account.UID compactedString], nil] containsObject:accountname]) {
if ([account.service.serviceCodeUniqueID isEqualToString:[prplDict objectForKey:protocol]]) {
[outFingerprints appendString:
[NSString stringWithFormat:@"%@\t%@\t%@\t%@", username, account.internalObjectID, account.service.serviceCodeUniqueID, key]];
if (trusted) {
[outFingerprints appendString:@"\t"];
[outFingerprints appendString:trusted];
}
[outFingerprints appendString:@"\n"];
}
}
}
}
}
return outFingerprints;
}
- (NSString *)upgradedPrivateKeyFromFile:(NSString *)inPath
{
NSMutableString *sourcePrivateKey = [[[NSString stringWithContentsOfUTF8File:inPath] mutableCopy] autorelease];
AILog(@"Upgrading private keys at %@ gave %@",inPath,sourcePrivateKey);
if (!sourcePrivateKey || ![sourcePrivateKey length]) return nil;
/*
* Gaim used the account name for the name and the prpl id for the protocol.
* We will use the internalObjectID for the name and the service's uniqueID for the protocol.
*/
/* Remove Jabber resources... from the private key list
* If you used a non-default resource, no upgrade for you.
*/
[sourcePrivateKey replaceOccurrencesOfString:@"/Adium"
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [sourcePrivateKey length])];
NSDictionary *prplDict = [self prplDict];
for (AIAccount *account in adium.accountController.accounts) {
//Hit every possibile name for this account along the way
NSString *accountInternalObjectID = [NSString stringWithFormat:@"\"%@\"",account.internalObjectID];
for (NSString *accountName in [NSSet setWithObjects:account.UID,account.formattedUID,[account.UID compactedString], nil]) {
NSRange accountNameRange = NSMakeRange(0, 0);
NSRange searchRange = NSMakeRange(0, [sourcePrivateKey length]);
while (accountNameRange.location != NSNotFound &&
(NSMaxRange(searchRange) <= [sourcePrivateKey length])) {
//Find the next place this account name is located
accountNameRange = [sourcePrivateKey rangeOfString:accountName
options:NSLiteralSearch
range:searchRange];
if (accountNameRange.location != NSNotFound) {
//Update our search range
searchRange.location = NSMaxRange(accountNameRange);
searchRange.length = [sourcePrivateKey length] - searchRange.location;
//Make sure that this account name actually begins and finishes a name; otherwise (name TekJew2) matches (name TekJew)
if ((![[sourcePrivateKey substringWithRange:NSMakeRange(accountNameRange.location - 6, 6)] isEqualToString:@"(name "] &&
![[sourcePrivateKey substringWithRange:NSMakeRange(accountNameRange.location - 7, 7)] isEqualToString:@"(name \""]) ||
(![[sourcePrivateKey substringWithRange:NSMakeRange(NSMaxRange(accountNameRange), 1)] isEqualToString:@")"] &&
![[sourcePrivateKey substringWithRange:NSMakeRange(NSMaxRange(accountNameRange), 2)] isEqualToString:@"\")"])) {
continue;
}
/* Within that range, find the next "(protocol " which encloses
* a string of the form "(protocol protocol-name)"
*/
NSRange protocolRange = [sourcePrivateKey rangeOfString:@"(protocol "
options:NSLiteralSearch
range:searchRange];
if (protocolRange.location != NSNotFound) {
//Update our search range
searchRange.location = NSMaxRange(protocolRange);
searchRange.length = [sourcePrivateKey length] - searchRange.location;
NSRange nextClosingParen = [sourcePrivateKey rangeOfString:@")"
options:NSLiteralSearch
range:searchRange];
NSRange protocolNameRange = NSMakeRange(NSMaxRange(protocolRange),
nextClosingParen.location - NSMaxRange(protocolRange));
NSString *protocolName = [sourcePrivateKey substringWithRange:protocolNameRange];
//Remove a trailing quote if necessary
if ([[protocolName substringFromIndex:([protocolName length]-1)] isEqualToString:@"\""]) {
protocolName = [protocolName substringToIndex:([protocolName length]-1)];
}
NSString *uniqueServiceID = [prplDict objectForKey:protocolName];
if ([account.service.serviceCodeUniqueID isEqualToString:uniqueServiceID]) {
//Replace the protocol name first
[sourcePrivateKey replaceCharactersInRange:protocolNameRange
withString:uniqueServiceID];
//Then replace the account name which was before it (so the range hasn't changed)
if ([sourcePrivateKey characterAtIndex:(accountNameRange.location - 1)] == '\"') {
accountNameRange.location -= 1;
accountNameRange.length += 1;
}
if ([sourcePrivateKey characterAtIndex:(accountNameRange.location + accountNameRange.length + 1)] == '\"') {
accountNameRange.length += 1;
}
[sourcePrivateKey replaceCharactersInRange:accountNameRange
withString:accountInternalObjectID];
}
}
}
AILog(@"%@ - %@",accountName, sourcePrivateKey);
}
}
}
return sourcePrivateKey;
}
- (void)upgradeOTRIfNeeded
{
if (![[adium.preferenceController preferenceForKey:@"GaimOTR_to_AdiumOTR_Update"
group:@"OTR"] boolValue]) {
NSString *destinationPath = [adium.loginController userDirectory];
NSString *sourcePath = [destinationPath stringByAppendingPathComponent:@"libpurple"];
NSString *privateKey = [self upgradedPrivateKeyFromFile:[sourcePath stringByAppendingPathComponent:@"otr.private_key"]];
if (privateKey && [privateKey length]) {
[privateKey writeToFile:[destinationPath stringByAppendingPathComponent:@"otr.private_key"]
atomically:NO
encoding:NSUTF8StringEncoding
error:NULL];
}
NSString *fingerprints = [self upgradedFingerprintsFromFile:[sourcePath stringByAppendingPathComponent:@"otr.fingerprints"]];
if (fingerprints && [fingerprints length]) {
[fingerprints writeToFile:[destinationPath stringByAppendingPathComponent:@"otr.fingerprints"]
atomically:NO
encoding:NSUTF8StringEncoding
error:NULL];
}
[adium.preferenceController setPreference:[NSNumber numberWithBool:YES]
forKey:@"GaimOTR_to_AdiumOTR_Update"
group:@"OTR"];
}
if (![[adium.preferenceController preferenceForKey:@"Libgaim_to_Libpurple_Update"
group:@"OTR"] boolValue]) {
NSString *destinationPath = [adium.loginController userDirectory];
NSString *privateKeyPath = [destinationPath stringByAppendingPathComponent:@"otr.private_key"];
NSString *fingerprintsPath = [destinationPath stringByAppendingPathComponent:@"otr.fingerprints"];
NSMutableString *privateKeys = [[NSString stringWithContentsOfUTF8File:privateKeyPath] mutableCopy];
[privateKeys replaceOccurrencesOfString:@"libgaim"
withString:@"libpurple"
options:NSLiteralSearch
range:NSMakeRange(0, [privateKeys length])];
[privateKeys writeToFile:privateKeyPath
atomically:YES
encoding:NSUTF8StringEncoding
error:NULL];
[privateKeys release];
NSMutableString *fingerprints = [[NSString stringWithContentsOfUTF8File:fingerprintsPath] mutableCopy];
[fingerprints replaceOccurrencesOfString:@"libgaim"
withString:@"libpurple"
options:NSLiteralSearch
range:NSMakeRange(0, [fingerprints length])];
[fingerprints writeToFile:fingerprintsPath
atomically:YES
encoding:NSUTF8StringEncoding
error:NULL];
[fingerprints release];
[adium.preferenceController setPreference:[NSNumber numberWithBool:YES]
forKey:@"Libgaim_to_Libpurple_Update"
group:@"OTR"];
}
}
@end
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