Security-59306.11.20.tar.gz

[apple/security.git] / OSX / sec / SOSCircle / SecureObjectSync / SOSPeerOTRTimer.m

diff --git a/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerOTRTimer.m b/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerOTRTimer.m
deleted file mode 100644 (file)
index 03ca8a6..0000000
--- a/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerOTRTimer.m
+++ /dev/null
@@ -1,170 +0,0 @@
-//
-//  SOSPeerOTRTimer.m
-//
-
-#import <Foundation/Foundation.h>
-#include <Security/SecureObjectSync/SOSPeer.h>
-#include <Security/SecureObjectSync/SOSPeerCoder.h>
-#include <Security/SecureObjectSync/SOSTransportMessage.h>
-#include <Security/SecureObjectSync/SOSAccount.h>
-#include <Security/SecureObjectSync/SOSCoder.h>
-#include <Security/SecureObjectSync/SOSEngine.h>
-#include <Security/SecureObjectSync/SOSDataSource.h>
-#include <Security/SecureObjectSync/SOSAccountTransaction.h>
-#include <Security/SecureObjectSync/SOSKVSKeys.h>
-#include <Security/SecureObjectSync/SOSPeerOTRTimer.h>
-#include <Security/CKBridge/SOSCloudKeychainClient.h>
-
-#include <utilities/SecADWrapper.h>
-#include <utilities/debugging.h>
-#include <utilities/SecCFWrappers.h>
-
-#include <AssertMacros.h>
-#include "SOSInternal.h"
-
-//AGGD
-NSString* const SecSOSAggdMaxRenegotiation   = @"com.apple.security.sos.otrrenegotiationmaxretries";
-
-__unused static int initialOTRTimeoutValue = 60; //best round trip time in KVS plus extra for good measure
-static int maxRetryCount = 7; //max number of times to attempt restarting OTR negotiation
-
-bool SOSPeerOTRTimerHaveReachedMaxRetryAllowance(SOSAccount* account, NSString* peerid){
-    bool reachedMax = false;
-    NSMutableDictionary* attemptsPerPeer = (__bridge NSMutableDictionary*)SOSAccountGetValue(account, kSOSAccountRenegotiationRetryCount, NULL);
-    if(!attemptsPerPeer){
-        attemptsPerPeer = [NSMutableDictionary dictionary];
-    }
-    NSNumber* attempt = [attemptsPerPeer objectForKey:peerid];
-    if(attempt && [attempt intValue] >= maxRetryCount)
-    {
-        reachedMax = true;
-        SecADAddValueForScalarKey((__bridge CFStringRef) SecSOSAggdMaxRenegotiation,1);
-    }
-    return reachedMax;
-}
-
-//used when evaluating whether or not securityd should start a timer for negotiation
-bool SOSPeerOTRTimerHaveAnRTTAvailable(SOSAccount* account, NSString* peerid)
-{
-    CFErrorRef error = NULL;
-    CFNumberRef timeout = NULL;
-    bool doesRTTExist = false;
-    
-    CFMutableDictionaryRef timeouts = (CFMutableDictionaryRef)asDictionary(SOSAccountGetValue(account, kSOSAccountPeerNegotiationTimeouts, &error), NULL);
-    require_action_quiet(timeouts, exit, secnotice("otrtimer", "do not have an rtt yet"));
-    
-    timeout = CFDictionaryGetValue(timeouts, (__bridge CFStringRef)peerid);
-    require_action_quiet(timeout, exit, secnotice("otrtimer", "do not have an rtt yet"));
-    
-    doesRTTExist = true;
-exit:
-    return doesRTTExist;
-}
-
-//call when a timer has fired, remove the current rtt entry as the existing one isn't working
-void SOSPeerOTRTimerRemoveRTTTimeoutForPeer(SOSAccount* account, NSString* peerid)
-{
-    CFNumberRef timeout = NULL;
-    CFErrorRef error = NULL;
-    
-    CFMutableDictionaryRef timeouts = (CFMutableDictionaryRef)asDictionary(SOSAccountGetValue(account, kSOSAccountPeerNegotiationTimeouts, &error), NULL);
-    require_action_quiet(timeouts && (error == NULL), exit, secnotice("otrtimer","timeout dictionary doesn't exist"));
-    
-    timeout = CFDictionaryGetValue(timeouts, (__bridge CFStringRef)peerid);
-    require_action_quiet(timeout, exit, secnotice("otrtimer","timeout for peerid: %@, doesn't exist", (__bridge CFStringRef)peerid));
-    
-    CFDictionaryRemoveValue(timeouts, (__bridge CFStringRef)peerid);
-    SOSAccountSetValue(account, kSOSAccountPeerNegotiationTimeouts, timeouts, &error);
-    if(error){
-        secnotice("otrtimer","SOSAccountSetValue threw an error for key kSOSAccountPeerNegotiationTimeouts: %@", error);
-    }
-exit:
-    CFReleaseNull(error);
-}
-
-void SOSPeerOTRTimerRemoveLastSentMessageTimestamp(SOSAccount* account, NSString* peerid)
-{
-    NSMutableDictionary *peerToTimeLastSentDict = (__bridge NSMutableDictionary*)SOSAccountGetValue(account, kSOSAccountPeerLastSentTimestamp, NULL);
-    
-    if(peerToTimeLastSentDict){
-        NSDate* storedDate = [peerToTimeLastSentDict objectForKey:peerid];
-        if(storedDate){
-            [peerToTimeLastSentDict removeObjectForKey:peerid];
-            SOSAccountSetValue(account, kSOSAccountPeerLastSentTimestamp, (__bridge CFMutableDictionaryRef)peerToTimeLastSentDict, NULL);
-        }
-    }
-}
-
-void SOSPeerOTRTimerIncreaseOTRNegotiationRetryCount(SOSAccount* account, NSString* peerid)
-{
-    NSMutableDictionary* attemptsPerPeer = (__bridge NSMutableDictionary*)SOSAccountGetValue(account, kSOSAccountRenegotiationRetryCount, NULL);
-    if(!attemptsPerPeer){
-        attemptsPerPeer = [NSMutableDictionary dictionary];
-    }
-    NSNumber* attempt = [attemptsPerPeer objectForKey:peerid];
-    if(!attempt){
-        attempt = [[NSNumber alloc] initWithInt:1];
-        [attemptsPerPeer setObject:attempt forKey:peerid];
-    }
-    else{
-        NSNumber* newCount = [[NSNumber alloc]initWithInt:([attempt intValue]+1)];
-        [attemptsPerPeer setObject:newCount forKey:peerid];
-        secnotice("otr","OTR negotiation retry count: %d", [newCount intValue]);
-    }
-    SOSAccountSetValue(account, kSOSAccountRenegotiationRetryCount, (__bridge CFMutableDictionaryRef)attemptsPerPeer, NULL);
-}
-
-int SOSPeerOTRTimerTimeoutValue(SOSAccount* account, SOSPeerRef peer)
-{
-    CFErrorRef error = NULL;
-    int timeoutIntValue = 0;
-
-    CFMutableDictionaryRef timeouts = (CFMutableDictionaryRef)asDictionary(SOSAccountGetValue(account, kSOSAccountPeerNegotiationTimeouts, &error), NULL);
-    require_action_quiet(timeouts, xit, secnotice("otrtimer","deadline value not available yet"));
-
-    CFNumberRef timeout = CFDictionaryGetValue(timeouts, SOSPeerGetID(peer));
-    require_action_quiet(timeout, xit, secnotice("otrtimer","deadline value not available yet"));
-
-    secnotice("otrtimer", "decided to wait %d before restarting negotiation", [(__bridge NSNumber*)timeout intValue]);
-    timeoutIntValue = [(__bridge NSNumber*)timeout intValue];
-
-xit:
-    return timeoutIntValue;
-}
-
-void SOSPeerOTRTimerSetupAwaitingTimer(SOSAccount* account, SOSPeerRef peer, SOSEngineRef engine, SOSCoderRef coder)
-{
-    //check which timeout value to use
-    int timeoutValue = SOSPeerOTRTimerTimeoutValue(account, peer);
-    CFStringRef peerid = CFRetainSafe(SOSPeerGetID(peer));
-
-    secnotice("otrtimer", "setting timer for peer: %@", peer);
-    __block dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue());
-    dispatch_source_set_timer(timer, dispatch_time(DISPATCH_TIME_NOW, timeoutValue * NSEC_PER_SEC), DISPATCH_TIME_FOREVER, 0);
-    dispatch_source_set_event_handler(timer, ^{
-        secnotice("otrtimer","otrTimerFired fired");
-        SOSCCResetOTRNegotiation_Server(peerid);
-        
-    });
-    
-    dispatch_source_set_cancel_handler(timer, ^{
-        CFReleaseSafe(peerid);
-    });
-    
-    dispatch_resume(timer);
-    
-    SOSPeerSetOTRTimer(peer, timer);
-}
-
-//clear the max retry counter in the account object
-void SOSPeerOTRTimerClearMaxRetryCount(SOSAccount* account, NSString* peerid)
-{
-    secnotice("otrtimer", "negotiation finished! clearing max retry counter");
-    NSMutableDictionary* attemptsPerPeer = (__bridge NSMutableDictionary*)SOSAccountGetValue(account, kSOSAccountRenegotiationRetryCount, NULL);
-    if(!attemptsPerPeer){
-        attemptsPerPeer = [NSMutableDictionary dictionary];
-    }
-    [attemptsPerPeer removeObjectForKey:peerid];
-    SOSAccountSetValue(account, kSOSAccountRenegotiationRetryCount, (__bridge CFMutableDictionaryRef)attemptsPerPeer, NULL);
-}
-