]> git.saurik.com Git - apple/cf.git/blobdiff - CFSocketStream.c
CF-476.10.tar.gz
[apple/cf.git] / CFSocketStream.c
diff --git a/CFSocketStream.c b/CFSocketStream.c
new file mode 100644 (file)
index 0000000..ea699ae
--- /dev/null
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 2008 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*     CFSocketStream.c
+       Copyright 2000-2002, Apple, Inc. All rights reserved.
+       Responsibility: Jeremy Wyld
+*/
+//     Original Author: Becky Willrich
+#include <CoreFoundation/CFStream.h>
+#include <CoreFoundation/CFNumber.h>
+#include "CFInternal.h"
+#include "CFStreamInternal.h"
+#include "CFStreamPriv.h"
+
+#if DEPLOYMENT_TARGET_MACOSX
+// On Mach these live in CF for historical reasons, even though they are declared in CFNetwork
+
+const int kCFStreamErrorDomainSSL = 3;
+const int kCFStreamErrorDomainSOCKS = 5;
+
+CONST_STRING_DECL(kCFStreamPropertyShouldCloseNativeSocket, "kCFStreamPropertyShouldCloseNativeSocket")
+CONST_STRING_DECL(kCFStreamPropertyAutoErrorOnSystemChange, "kCFStreamPropertyAutoErrorOnSystemChange");
+
+CONST_STRING_DECL(kCFStreamPropertySOCKSProxy, "kCFStreamPropertySOCKSProxy")
+CONST_STRING_DECL(kCFStreamPropertySOCKSProxyHost, "SOCKSProxy")
+CONST_STRING_DECL(kCFStreamPropertySOCKSProxyPort, "SOCKSPort")
+CONST_STRING_DECL(kCFStreamPropertySOCKSVersion, "kCFStreamPropertySOCKSVersion")
+CONST_STRING_DECL(kCFStreamSocketSOCKSVersion4, "kCFStreamSocketSOCKSVersion4")
+CONST_STRING_DECL(kCFStreamSocketSOCKSVersion5, "kCFStreamSocketSOCKSVersion5")
+CONST_STRING_DECL(kCFStreamPropertySOCKSUser, "kCFStreamPropertySOCKSUser")
+CONST_STRING_DECL(kCFStreamPropertySOCKSPassword, "kCFStreamPropertySOCKSPassword")
+
+CONST_STRING_DECL(kCFStreamPropertySocketSecurityLevel, "kCFStreamPropertySocketSecurityLevel");
+CONST_STRING_DECL(kCFStreamSocketSecurityLevelNone, "kCFStreamSocketSecurityLevelNone");
+CONST_STRING_DECL(kCFStreamSocketSecurityLevelSSLv2, "kCFStreamSocketSecurityLevelSSLv2");
+CONST_STRING_DECL(kCFStreamSocketSecurityLevelSSLv3, "kCFStreamSocketSecurityLevelSSLv3");
+CONST_STRING_DECL(kCFStreamSocketSecurityLevelTLSv1, "kCFStreamSocketSecurityLevelTLSv1");
+CONST_STRING_DECL(kCFStreamSocketSecurityLevelNegotiatedSSL, "kCFStreamSocketSecurityLevelNegotiatedSSL");
+
+#endif
+
+// These are duplicated in CFNetwork, who actually externs them in its headers
+CONST_STRING_DECL(kCFStreamPropertySocketSSLContext, "kCFStreamPropertySocketSSLContext")
+CONST_STRING_DECL(_kCFStreamPropertySocketSecurityAuthenticatesServerCertificate, "_kCFStreamPropertySocketSecurityAuthenticatesServerCertificate");
+
+
+CF_EXPORT
+void _CFSocketStreamSetAuthenticatesServerCertificateDefault(Boolean shouldAuthenticate) {
+    CFLog(__kCFLogAssertion, CFSTR("_CFSocketStreamSetAuthenticatesServerCertificateDefault(): This call has been deprecated.  Use SetProperty(_kCFStreamPropertySocketSecurityAuthenticatesServerCertificate, kCFBooleanTrue/False)\n"));
+}
+
+
+/* CF_EXPORT */ Boolean
+_CFSocketStreamGetAuthenticatesServerCertificateDefault(void) {
+    CFLog(__kCFLogAssertion, CFSTR("_CFSocketStreamGetAuthenticatesServerCertificateDefault(): This call has been removed as a security risk.  Use security properties on individual streams instead.\n"));
+    return FALSE;
+}
+
+
+/* CF_EXPORT */ void
+_CFSocketStreamPairSetAuthenticatesServerCertificate(CFReadStreamRef rStream, CFWriteStreamRef wStream, Boolean authenticates) {
+    
+    CFBooleanRef value = (!authenticates ? kCFBooleanFalse : kCFBooleanTrue);
+    
+    if (rStream)
+        CFReadStreamSetProperty(rStream, _kCFStreamPropertySocketSecurityAuthenticatesServerCertificate, value);
+    else
+        CFWriteStreamSetProperty(wStream, _kCFStreamPropertySocketSecurityAuthenticatesServerCertificate, value);
+}
+
+
+// Flags for dyld loading of libraries.
+enum {
+    kTriedToLoad = 0,
+    kInitialized
+};
+
+static struct {
+    CFSpinLock_t lock;
+    UInt32     flags;
+    void (*_CFSocketStreamCreatePair)(CFAllocatorRef, CFStringRef, UInt32, CFSocketNativeHandle, const CFSocketSignature*, CFReadStreamRef*, CFWriteStreamRef*);
+    CFErrorRef (*_CFErrorCreateWithStreamError)(CFAllocatorRef, CFStreamError*);
+    CFStreamError (*_CFStreamErrorFromCFError)(CFErrorRef);
+} CFNetworkSupport = {
+    CFSpinLockInit,
+    0x0,
+    NULL,
+    NULL,
+    NULL
+};
+
+#define CFNETWORK_CALL(sym, args)              ((CFNetworkSupport.sym)args)
+
+#if DEPLOYMENT_TARGET_MACOSX
+#define CFNETWORK_LOAD_SYM(sym)   __CFLookupCFNetworkFunction(#sym)
+#endif
+
+static void initializeCFNetworkSupport(void) {
+    __CFBitSet(CFNetworkSupport.flags, kTriedToLoad);
+
+#if DEPLOYMENT_TARGET_MACOSX
+    CFNetworkSupport._CFSocketStreamCreatePair = CFNETWORK_LOAD_SYM(_CFSocketStreamCreatePair);
+    CFNetworkSupport._CFErrorCreateWithStreamError = CFNETWORK_LOAD_SYM(_CFErrorCreateWithStreamError);
+    CFNetworkSupport._CFStreamErrorFromCFError = CFNETWORK_LOAD_SYM(_CFStreamErrorFromCFError);
+#endif
+
+    if (!CFNetworkSupport._CFSocketStreamCreatePair) CFLog(__kCFLogAssertion, CFSTR("CoreFoundation: failed to dynamically link symbol _CFSocketStreamCreatePair"));
+    if (!CFNetworkSupport._CFErrorCreateWithStreamError) CFLog(__kCFLogAssertion, CFSTR("CoreFoundation: failed to dynamically link symbol _CFErrorCreateWithStreamError"));
+    if (!CFNetworkSupport._CFStreamErrorFromCFError) CFLog(__kCFLogAssertion, CFSTR("CoreFoundation: failed to dynamically link symbol _CFStreamErrorFromCFError"));
+            
+    __CFBitSet(CFNetworkSupport.flags, kInitialized);
+}
+
+static void
+createPair(CFAllocatorRef alloc, CFStringRef host, UInt32 port, CFSocketNativeHandle sock, const CFSocketSignature* sig, CFReadStreamRef *readStream, CFWriteStreamRef *writeStream)
+{
+    if (readStream)
+        *readStream = NULL;
+        
+    if (writeStream)
+        *writeStream = NULL;
+
+    __CFSpinLock(&(CFNetworkSupport.lock));
+    if (!__CFBitIsSet(CFNetworkSupport.flags, kTriedToLoad)) initializeCFNetworkSupport();
+    __CFSpinUnlock(&(CFNetworkSupport.lock));
+
+    CFNETWORK_CALL(_CFSocketStreamCreatePair, (alloc, host, port, sock, sig, readStream, writeStream));
+}
+
+
+extern void CFStreamCreatePairWithSocket(CFAllocatorRef alloc, CFSocketNativeHandle sock, CFReadStreamRef *readStream, CFWriteStreamRef *writeStream) {
+    createPair(alloc, NULL, 0, sock, NULL, readStream, writeStream);
+}
+
+extern void CFStreamCreatePairWithSocketToHost(CFAllocatorRef alloc, CFStringRef host, UInt32 port, CFReadStreamRef *readStream, CFWriteStreamRef *writeStream) {
+    createPair(alloc, host, port, 0, NULL, readStream, writeStream);
+}
+
+extern void CFStreamCreatePairWithPeerSocketSignature(CFAllocatorRef alloc, const CFSocketSignature* sig, CFReadStreamRef *readStream, CFWriteStreamRef *writeStream) {
+    createPair(alloc, NULL, 0, 0, sig, readStream, writeStream);
+}
+
+__private_extern__ CFStreamError _CFStreamErrorFromError(CFErrorRef error) {
+    CFStreamError result;
+    Boolean canUpCall;
+    
+    __CFSpinLock(&(CFNetworkSupport.lock));
+    if (!__CFBitIsSet(CFNetworkSupport.flags, kTriedToLoad)) initializeCFNetworkSupport();
+    canUpCall = (CFNetworkSupport._CFStreamErrorFromCFError != NULL);
+    __CFSpinUnlock(&(CFNetworkSupport.lock));
+
+    if (canUpCall) {
+        result = CFNETWORK_CALL(_CFStreamErrorFromCFError, (error));
+    } else {
+        CFStringRef domain = CFErrorGetDomain(error); 
+        if (CFEqual(domain, kCFErrorDomainPOSIX)) {
+            result.domain = kCFStreamErrorDomainPOSIX;
+        } else if (CFEqual(domain, kCFErrorDomainOSStatus)) {
+            result.domain = kCFStreamErrorDomainMacOSStatus;
+        } else if (CFEqual(domain, kCFErrorDomainMach)) {
+            result.domain = 11; // kCFStreamErrorDomainMach, but that symbol is in CFNetwork
+        } else {
+            result.domain = kCFStreamErrorDomainCustom;
+        }
+        result.error = CFErrorGetCode(error);
+    }
+    return result;
+}
+
+__private_extern__ CFErrorRef _CFErrorFromStreamError(CFAllocatorRef alloc, CFStreamError *streamError) {
+    CFErrorRef result;
+    Boolean canUpCall;
+    
+    __CFSpinLock(&(CFNetworkSupport.lock));
+    if (!__CFBitIsSet(CFNetworkSupport.flags, kTriedToLoad)) initializeCFNetworkSupport();
+    canUpCall = (CFNetworkSupport._CFErrorCreateWithStreamError != NULL);
+    __CFSpinUnlock(&(CFNetworkSupport.lock));
+
+    if (canUpCall) {
+        result = CFNETWORK_CALL(_CFErrorCreateWithStreamError, (alloc, streamError));
+    } else {
+        if (streamError->domain == kCFStreamErrorDomainPOSIX) {
+            return CFErrorCreate(alloc, kCFErrorDomainPOSIX, streamError->error, NULL);
+        } else if (streamError->domain == kCFStreamErrorDomainMacOSStatus) {
+            return CFErrorCreate(alloc, kCFErrorDomainOSStatus, streamError->error, NULL);
+        } else {
+            CFStringRef key = CFSTR("CFStreamErrorDomainKey");
+            CFNumberRef value = CFNumberCreate(alloc, kCFNumberCFIndexType, &streamError->domain);
+            CFDictionaryRef dict = CFDictionaryCreate(alloc, (const void **)(&key), (const void **)(&value), 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+            result = CFErrorCreate(alloc, CFSTR("BogusCFStreamErrorCompatibilityDomain"), streamError->error, dict);
+            CFRelease(value);
+            CFRelease(dict);
+        }
+    }
+    return result;
+}