configd-395.6.tar.gz

[apple/configd.git] / SystemConfiguration.fproj / CaptiveNetwork.c

diff --git a/SystemConfiguration.fproj/CaptiveNetwork.c b/SystemConfiguration.fproj/CaptiveNetwork.c
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+++ b/SystemConfiguration.fproj/CaptiveNetwork.c
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+/*
+ * Copyright (c) 2009, 2010 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@
+ */
+
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <dlfcn.h>
+
+#include <SystemConfiguration/CaptiveNetwork.h>
+
+
+#pragma mark -
+#pragma mark CaptiveNetwork.framework APIs (exported through the SystemConfiguration.framework)
+
+const CFStringRef kCNNetworkInfoKeySSIDData    = CFSTR("SSIDDATA");
+const CFStringRef kCNNetworkInfoKeySSID        = CFSTR("SSID");
+const CFStringRef kCNNetworkInfoKeyBSSID       = CFSTR("BSSID");
+
+static void *
+__loadCaptiveNetwork(void) {
+       static void *image = NULL;
+       if (NULL == image) {
+               const char      *framework              = "/System/Library/PrivateFrameworks/CaptiveNetwork.framework/CaptiveNetwork";
+               struct stat     statbuf;
+               const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
+               char            path[MAXPATHLEN];
+
+               strlcpy(path, framework, sizeof(path));
+               if (suffix) strlcat(path, suffix, sizeof(path));
+               if (0 <= stat(path, &statbuf)) {
+                       image = dlopen(path, RTLD_LAZY | RTLD_LOCAL);
+               } else {
+                       image = dlopen(framework, RTLD_LAZY | RTLD_LOCAL);
+               }
+       }
+       return (void *)image;
+}
+
+
+Boolean
+CNSetSupportedSSIDs(CFArrayRef ssidArray)
+{
+       static typeof (CNSetSupportedSSIDs) *dyfunc = NULL;
+       if (!dyfunc) {
+               void *image = __loadCaptiveNetwork();
+               if (image) dyfunc = dlsym(image, "__CNSetSupportedSSIDs");
+       }
+       return dyfunc ? dyfunc(ssidArray) : FALSE;
+}
+
+
+Boolean
+CNMarkPortalOnline(CFStringRef interfaceName)
+{
+       static typeof (CNMarkPortalOnline) *dyfunc = NULL;
+       if (!dyfunc) {
+               void *image = __loadCaptiveNetwork();
+               if (image) dyfunc = dlsym(image, "__CNMarkPortalOnline");
+       }
+       return dyfunc ? dyfunc(interfaceName) : FALSE;
+}
+
+
+Boolean
+CNMarkPortalOffline(CFStringRef interfaceName)
+{
+       static typeof (CNMarkPortalOffline) *dyfunc = NULL;
+       if (!dyfunc) {
+               void *image = __loadCaptiveNetwork();
+               if (image) dyfunc = dlsym(image, "__CNMarkPortalOffline");
+       }
+       return dyfunc ? dyfunc(interfaceName) : FALSE;
+}
+
+CFArrayRef
+CNCopySupportedInterfaces(void)
+{
+       static typeof (CNCopySupportedInterfaces) *dyfunc = NULL;
+       if (!dyfunc) {
+               void *image = __loadCaptiveNetwork();
+               if (image) dyfunc = dlsym(image, "__CNCopySupportedInterfaces");
+       }
+       return dyfunc ? dyfunc() : NULL;
+}
+
+CFDictionaryRef
+CNCopyCurrentNetworkInfo(CFStringRef   interfaceName)
+{
+       static typeof (CNCopyCurrentNetworkInfo) *dyfunc = NULL;
+       if (!dyfunc) {
+               void *image = __loadCaptiveNetwork();
+               if (image) dyfunc = dlsym(image, "__CNCopyCurrentNetworkInfo");
+       }
+       return dyfunc ? dyfunc(interfaceName) : NULL;
+}