]> git.saurik.com Git - apple/security.git/blobdiff - Security/sec/SOSCircle/SecureObjectSync/SOSPeerCoder.c
Security-57336.1.9.tar.gz
[apple/security.git] / Security / sec / SOSCircle / SecureObjectSync / SOSPeerCoder.c
diff --git a/Security/sec/SOSCircle/SecureObjectSync/SOSPeerCoder.c b/Security/sec/SOSCircle/SecureObjectSync/SOSPeerCoder.c
deleted file mode 100644 (file)
index 0773222..0000000
+++ /dev/null
@@ -1,160 +0,0 @@
-#include <SecureObjectSync/SOSPeer.h>
-#include <SecureObjectSync/SOSPeerCoder.h>
-#include <SecureObjectSync/SOSTransportMessage.h>
-#include <SecureObjectSync/SOSCoder.h>
-#include <SecureObjectSync/SOSAccount.h>
-#include <SecureObjectSync/SOSEngine.h>
-
-#include <utilities/debugging.h>
-#include <utilities/SecCFWrappers.h>
-
-#include <AssertMacros.h>
-#include "SOSInternal.h"
-
-static CFStringRef kSOSPeerCoderKey = CFSTR("coder");
-
-bool SOSPeerCoderInitializeForPeer(SOSTransportMessageRef transport, SOSFullPeerInfoRef myPeerInfo, SOSPeerInfoRef peerInfo, CFErrorRef *error){
-    CFErrorRef coderError = NULL;
-    
-    CFStringRef peer_id = SOSPeerInfoGetPeerID(peerInfo);
-    SOSCoderRef coder = NULL;
-    CFDataRef coderData = NULL;
-    bool haveGoodCoder = false;
-    CFMutableDictionaryRef peerState = SOSEngineGetPeerState(SOSTransportMessageGetEngine(transport), peer_id);
-    
-    if(peerState){
-        coderData = CFDictionaryGetValue(peerState, kSOSPeerCoderKey);
-        if(coderData){
-            coder = SOSCoderCreateFromData(coderData, &coderError);
-            if (!coder) {
-                secerror("Found data but couldn't make coder for %@: %@", peer_id, coderError);
-            }
-            haveGoodCoder = coder;
-            SOSCoderDispose(coder);
-            coder = NULL;
-        }
-    }
-    
-    if (!haveGoodCoder) {
-        secnotice("peer", "New coder for id %@.", peer_id);
-        CFReleaseNull(coder);
-        coder = SOSCoderCreate(peerInfo, myPeerInfo, error);
-        if (coder) {
-            coderData = SOSCoderCopyDER(coder, error);
-            if(coderData){
-                if(!(haveGoodCoder = SOSEngineSetCoderData(SOSTransportMessageGetEngine(transport), peer_id, coderData, error))){
-                    secerror("SOSPeerCoderInitializeForPeer, Could not save coder data");
-                }
-            }
-            CFReleaseNull(coderData);
-            SOSCoderDispose(coder);
-        } else {
-            secerror("Couldn't make coder for %@", peer_id);
-        }
-    }
-    CFReleaseNull(coderError);
-    return haveGoodCoder;
-}
-
-void SOSPeerCoderConsume(SOSEnginePeerMessageSentBlock *sent, bool ok){
-    if (*sent)
-        (*sent)(ok);
-}
-
-enum SOSCoderUnwrapStatus SOSPeerHandleCoderMessage(SOSPeerRef peer, CFStringRef peer_id, CFDataRef codedMessage, CFDataRef *decodedMessage, CFErrorRef *error){
-    
-    enum SOSCoderUnwrapStatus result = SOSCoderUnwrapError;
-    CFMutableDataRef localDecodedMessage = NULL;
-    
-    SOSCoderStatus coderStatus = kSOSCoderDataReturned;
-    CFDataRef coderData = SOSEngineGetCoderData(SOSPeerGetEngine(peer), SOSPeerGetID(peer));
-    require_quiet(coderData, fail);
-    SOSCoderRef coder = SOSCoderCreateFromData(coderData, error);
-    require(coder, fail);
-    CFErrorRef localError = NULL;
-    if (coder) {
-        coderStatus = SOSCoderUnwrap(coder, codedMessage, &localDecodedMessage, peer_id, error);
-        
-        switch(coderStatus) {
-            case kSOSCoderDataReturned: {
-                logRawMessage(localDecodedMessage, false, 0);
-                result = SOSCoderUnwrapDecoded;
-                break;
-            }
-            case kSOSCoderNegotiating:  // Sent message already in Unwrap.
-                result = SOSCoderUnwrapHandled;
-                secnotice("engine", "%@ engine negotiating", peer_id);
-                break;
-            case kSOSCoderNegotiationCompleted:
-                if(SOSEnginePeerDidConnect(SOSPeerGetEngine(peer), peer_id, error))
-                    result = SOSCoderUnwrapHandled;
-                secnotice("engine", "%@ engine negotiation complete", peer_id);
-                break;
-            case kSOSCoderFailure:      // Probably restart coder
-                secnotice("engine", "%@ engine failed handling message %@", peer_id, error ? *error : NULL);
-                SOSCoderReset(coder);
-                if(SOSCoderStart(coder, &localError) == kSOSCoderFailure){
-                    secerror("Attempt to recover coder failed to restart: %@", localError);
-                }
-                break;
-            case kSOSCoderStaleEvent:   // We received an event we have already processed in the past.
-                secnotice("engine", "%@ engine stale event ignored", peer_id);
-                break;
-            default:
-                assert(false);
-                break;
-        }
-        if(decodedMessage)
-            *decodedMessage = CFRetainSafe(localDecodedMessage);
-        CFReleaseNull(localDecodedMessage);
-        
-        coderData = SOSCoderCopyDER(coder, error);
-        if(!SOSEngineSetCoderData(SOSPeerGetEngine(peer), peer_id, coderData, error)){
-            secerror("SOSTransportMessageSendMessageIfNeeded, Could not save peer state");
-        }
-        CFReleaseNull(coderData);
-        SOSCoderDispose(coder);
-    }
-    
-    CFReleaseNull(localError);
-fail:
-    return result;
-    
-}
-
-bool SOSPeerCoderSendMessageIfNeeded(SOSPeerRef peer, CFDataRef *message_to_send, CFStringRef circle_id, CFStringRef peer_id, SOSEnginePeerMessageSentBlock *sent, CFErrorRef *error){
-    SOSCoderRef coder = SOSPeerGetCoder(peer);
-    
-    bool ok = false;
-    require_quiet(coder, fail);
-    
-    if (SOSCoderCanWrap(coder)) {
-        secnotice("transport", "%@ Coder can wrap, getting message from engine", peer_id);
-        CFMutableDataRef codedMessage = NULL;
-        CFDataRef message = SOSEngineCreateMessageToSyncToPeer(SOSPeerGetEngine(peer), peer_id, sent, error);
-        if (!message) {
-            secnotice("transport", "%@ SOSEngineCreateMessageToSyncToPeer failed: %@",peer_id, *error);
-        }
-        ok = message && (SOSCoderWrap(coder, message, &codedMessage, peer_id, error) == kSOSCoderDataReturned);
-        if (!ok) {
-            secnotice("transport", "%@ SOSCoderWrap failed: %@",peer_id, *error);
-        }
-        
-        if (ok)
-            CFRetainAssign(*message_to_send, codedMessage);
-        
-        CFReleaseNull(codedMessage);
-        CFReleaseNull(message);
-    } else {
-        *message_to_send = SOSCoderCopyPendingResponse(coder);
-        secnotice("transport", "%@ Negotiating, %@", peer_id, message_to_send ? CFSTR("Sending negotiation message.") : CFSTR("waiting for negotiation message."));
-        *sent = Block_copy(^(bool wasSent){
-            if (wasSent)
-                SOSCoderConsumeResponse(coder);
-        });
-        ok = true;
-    }
-    
-fail:
-    return ok;
-}