]> git.saurik.com Git - apple/security.git/blobdiff - sec/SOSCircle/Tool/keychain_sync.c
Security-55471.tar.gz
[apple/security.git] / sec / SOSCircle / Tool / keychain_sync.c
diff --git a/sec/SOSCircle/Tool/keychain_sync.c b/sec/SOSCircle/Tool/keychain_sync.c
new file mode 100644 (file)
index 0000000..6e3c7c8
--- /dev/null
@@ -0,0 +1,459 @@
+/*
+ * Copyright (c) 2003-2007,2009-2010 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@
+ *
+ * keychain_add.c
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <Security/SecItem.h>
+
+#include <CoreFoundation/CFNumber.h>
+#include <CoreFoundation/CFString.h>
+
+#include <SecureObjectSync/SOSCloudCircle.h>
+#include <SecureObjectSync/SOSCloudCircleInternal.h>
+#include <SecureObjectSync/SOSPeerInfo.h>
+
+#include <securityd/SOSCloudCircleServer.h>
+
+#include <CKBridge/SOSCloudKeychainClient.h>
+
+#include <utilities/SecCFWrappers.h>
+#include <utilities/debugging.h>
+
+#include <SecurityTool/readline.h>
+#include <notify.h>
+
+#include "SOSCommands.h"
+
+#define printmsg(format, ...) _printcfmsg(stdout, format, __VA_ARGS__)
+#define printerr(format, ...) _printcfmsg(stderr, format, __VA_ARGS__)
+
+static void _printcfmsg(FILE *ff, CFStringRef format, ...)
+{
+    va_list args;
+    va_start(args, format);
+    CFStringRef message = CFStringCreateWithFormatAndArguments(kCFAllocatorDefault, NULL, format, args);
+    va_end(args);
+    CFStringPerformWithCString(message, ^(const char *utf8String) { fprintf(ff, utf8String, ""); });
+    CFRelease(message);
+}
+
+static bool clearAllKVS(CFErrorRef *error)
+{
+    __block bool result = false;
+    const uint64_t maxTimeToWaitInSeconds = 30ull * NSEC_PER_SEC;
+    dispatch_queue_t processQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+    dispatch_semaphore_t waitSemaphore = dispatch_semaphore_create(0);
+    dispatch_time_t finishTime = dispatch_time(DISPATCH_TIME_NOW, maxTimeToWaitInSeconds);
+    
+    SOSCloudKeychainClearAll(processQueue, ^(CFDictionaryRef returnedValues, CFErrorRef cerror)
+    {
+        result = (cerror != NULL);
+        dispatch_semaphore_signal(waitSemaphore);
+    });
+    
+       dispatch_semaphore_wait(waitSemaphore, finishTime);
+    dispatch_release(waitSemaphore);
+
+    return result;
+}
+
+static const char *getSOSCCStatusDescription(SOSCCStatus ccstatus)
+{
+    switch (ccstatus)
+    {
+        case kSOSCCInCircle:        return "In Circle";
+        case kSOSCCNotInCircle:     return "Not in Circle";
+        case kSOSCCRequestPending:  return "Request pending";
+        case kSOSCCCircleAbsent:    return "Circle absent";
+        case kSOSCCError:           return "Circle error";
+
+        default:
+            return "<unknown ccstatus>";
+            break;
+    }
+}
+
+static void dumpCircleInfo()
+{
+    CFErrorRef error = NULL;
+    CFArrayRef applicantPeerInfos = NULL;
+    CFArrayRef peerInfos = NULL;
+
+    SOSCCStatus ccstatus = SOSCCThisDeviceIsInCircle(&error);
+    printerr(CFSTR("ccstatus: %s (%d), error: %@\n"), getSOSCCStatusDescription(ccstatus), ccstatus, error);
+    
+    if(ccstatus == kSOSCCError) {
+        printerr(CFSTR("End of Dump - unable to proceed due to ccstatus -\n\t%s\n"), getSOSCCStatusDescription(ccstatus));
+        return;
+    }
+
+    // Now look at current applicants
+    applicantPeerInfos = SOSCCCopyApplicantPeerInfo(&error);
+    if (applicantPeerInfos)
+    {
+        printerr(CFSTR("Applicants: %ld, error: %@\n"), (long)CFArrayGetCount(applicantPeerInfos), error);
+        CFArrayForEach(applicantPeerInfos, ^(const void *value) {
+            SOSPeerInfoRef peer = (SOSPeerInfoRef)value;
+            CFStringRef peerName = SOSPeerInfoGetPeerName(peer);
+            printerr(CFSTR("Applicant: %@ (%@)\n"), peerName, peer);
+        });
+    }
+    else
+        printerr(CFSTR("No applicants, error: %@\n"), error);
+    
+    
+    peerInfos = SOSCCCopyPeerPeerInfo(&error);
+    if (peerInfos)
+    {
+        printerr(CFSTR("Peers: %ld, error: %@\n"), (long)CFArrayGetCount(peerInfos), error);
+        CFArrayForEach(peerInfos, ^(const void *value) {
+            SOSPeerInfoRef peer = (SOSPeerInfoRef)value;
+            CFStringRef peerName = SOSPeerInfoGetPeerName(peer);
+            printerr(CFSTR("Peer: %@ (%@)\n"), peerName, peer);
+        });
+    }
+    else
+        printerr(CFSTR("No peers, error: %@\n"), error);
+    
+    peerInfos = SOSCCCopyConcurringPeerPeerInfo(&error);
+    if (peerInfos)
+    {
+        printerr(CFSTR("Concurring Peers: %ld, error: %@\n"), (long)CFArrayGetCount(peerInfos), error);
+        CFArrayForEach(peerInfos, ^(const void *value) {
+            SOSPeerInfoRef peer = (SOSPeerInfoRef)value;
+            CFStringRef peerName = SOSPeerInfoGetPeerName(peer);
+            printerr(CFSTR("Concurr: %@ (%@)\n"), peerName, peer);
+        });
+    }
+    else
+        printerr(CFSTR("No concurring peers, error: %@\n"), error);
+}
+
+static bool requestToJoinCircle(CFErrorRef *error)
+{
+    // Set the visual state of switch based on membership in circle
+    bool hadError = false;
+    SOSCCStatus ccstatus = SOSCCThisDeviceIsInCircle(error);
+    
+    switch (ccstatus)
+    {
+    case kSOSCCCircleAbsent:
+        hadError = !SOSCCResetToOffering(error);
+        break;
+    case kSOSCCNotInCircle:
+        hadError = !SOSCCRequestToJoinCircle(error);
+        break;
+    default:
+        printerr(CFSTR("Request to join circle with bad status:  %@ (%d)\n"), SOSCCGetStatusDescription(ccstatus), ccstatus);
+        break;
+    }
+    return hadError;
+}
+
+static bool setPassword(char *labelAndPassword, CFErrorRef *err)
+{
+    char *last = NULL;
+    char *token0 = strtok_r(labelAndPassword, ":", &last);
+    char *token1 = strtok_r(NULL, "", &last);
+    CFStringRef label = token1 ? CFStringCreateWithCString(NULL, token0, kCFStringEncodingUTF8) : CFSTR("security command line tool");
+    char *password_token = token1 ? token1 : token0;
+    password_token = password_token ? password_token : "";
+    CFDataRef password = CFDataCreate(NULL, (const UInt8*) password_token, strlen(password_token));
+    bool returned = !SOSCCSetUserCredentials(label, password, err);
+    CFRelease(label);
+    CFRelease(password);
+    return returned;
+}
+
+static bool tryPassword(char *labelAndPassword, CFErrorRef *err)
+{
+    char *last = NULL;
+    char *token0 = strtok_r(labelAndPassword, ":", &last);
+    char *token1 = strtok_r(NULL, "", &last);
+    CFStringRef label = token1 ? CFStringCreateWithCString(NULL, token0, kCFStringEncodingUTF8) : CFSTR("security command line tool");
+    char *password_token = token1 ? token1 : token0;
+    password_token = password_token ? password_token : "";
+    CFDataRef password = CFDataCreate(NULL, (const UInt8*) password_token, strlen(password_token));
+    bool returned = !SOSCCTryUserCredentials(label, password, err);
+    CFRelease(label);
+    CFRelease(password);
+    return returned;
+}
+
+static CFTypeRef getObjectsFromCloud(CFArrayRef keysToGet, dispatch_queue_t processQueue, dispatch_group_t dgroup)
+{
+    __block CFTypeRef object = NULL;
+
+    const uint64_t maxTimeToWaitInSeconds = 30ull * NSEC_PER_SEC;
+    dispatch_semaphore_t waitSemaphore = dispatch_semaphore_create(0);
+    dispatch_time_t finishTime = dispatch_time(DISPATCH_TIME_NOW, maxTimeToWaitInSeconds);
+
+    dispatch_group_enter(dgroup);
+
+    CloudKeychainReplyBlock replyBlock =
+    ^ (CFDictionaryRef returnedValues, CFErrorRef error)
+    {
+        secerror("SOSCloudKeychainGetObjectsFromCloud returned: %@", returnedValues);
+        object = returnedValues;
+        if (object)
+            CFRetain(object);
+        if (error)
+        {
+            secerror("SOSCloudKeychainGetObjectsFromCloud returned error: %@", error);
+            //       CFRelease(*error);
+        }
+        dispatch_group_leave(dgroup);
+        secerror("SOSCloudKeychainGetObjectsFromCloud block exit: %@", object);
+        dispatch_semaphore_signal(waitSemaphore);
+    };
+
+    if (!keysToGet)
+        SOSCloudKeychainGetAllObjectsFromCloud(processQueue, replyBlock);
+    else
+        SOSCloudKeychainGetObjectsFromCloud(keysToGet, processQueue, replyBlock);
+
+       dispatch_semaphore_wait(waitSemaphore, finishTime);
+       dispatch_release(waitSemaphore);
+    if (object && (CFGetTypeID(object) == CFNullGetTypeID()))   // return a NULL instead of a CFNull
+    {
+        CFRelease(object);
+        object = NULL;
+    }
+    secerror("returned: %@", object);
+    return object;
+}
+
+static void displayCircles(CFTypeRef objects)
+{
+    // SOSCCCopyApplicantPeerInfo doesn't display all info, e.g. in the case where we are not in circle
+    CFDictionaryForEach(objects, ^(const void *key, const void *value) {
+        if (SOSKVSKeyGetKeyType(key) == kCircleKey)
+        {
+            CFErrorRef localError = NULL;
+            if (isData(value))
+            {
+                SOSCircleRef circle = SOSCircleCreateFromData(NULL, (CFDataRef) value, &localError);
+                printmsg(CFSTR("circle: %@ %@"), key, circle);
+                CFReleaseSafe(circle);
+            }
+            else
+                printmsg(CFSTR("non-circle: %@ %@"), key, value);
+        }
+    });
+}
+
+static bool dumpKVS(char *itemName, CFErrorRef *err)
+{
+    CFArrayRef keysToGet = NULL;
+    if (itemName)
+    {
+        CFStringRef itemStr = CFStringCreateWithCString(kCFAllocatorDefault, itemName, kCFStringEncodingUTF8);
+        printf("Retrieving %s from KVS\n", itemName);
+        keysToGet = CFArrayCreateForCFTypes(kCFAllocatorDefault, itemStr, NULL);
+        CFReleaseSafe(itemStr);
+    }
+    dispatch_queue_t generalq = dispatch_queue_create("general", DISPATCH_QUEUE_SERIAL);
+    dispatch_group_t work_group = dispatch_group_create();
+    CFTypeRef objects = getObjectsFromCloud(keysToGet, generalq, work_group);
+    CFReleaseSafe(keysToGet);
+    printmsg(CFSTR("   : %@\n"), objects);
+    if (objects)
+        displayCircles(objects);
+    printf("\n");
+    return false;
+}
+
+static bool syncAndWait(char *itemName, CFErrorRef *err)
+{
+    CFArrayRef keysToGet = NULL;
+    __block CFTypeRef objects = NULL;
+    if (!itemName)
+    {
+        fprintf(stderr, "No item keys supplied\n");
+        return false;
+    }
+
+    CFStringRef itemStr = CFStringCreateWithCString(kCFAllocatorDefault, itemName, kCFStringEncodingUTF8);
+    printf("Retrieving %s from KVS\n", itemName);
+    keysToGet = CFArrayCreateForCFTypes(kCFAllocatorDefault, itemStr, NULL);
+    CFReleaseSafe(itemStr);
+
+    dispatch_queue_t generalq = dispatch_queue_create("general", DISPATCH_QUEUE_SERIAL);
+
+    const uint64_t maxTimeToWaitInSeconds = 30ull * NSEC_PER_SEC;
+    dispatch_semaphore_t waitSemaphore = dispatch_semaphore_create(0);
+    dispatch_time_t finishTime = dispatch_time(DISPATCH_TIME_NOW, maxTimeToWaitInSeconds);
+
+    CloudKeychainReplyBlock replyBlock = ^ (CFDictionaryRef returnedValues, CFErrorRef error)
+    {
+        secerror("SOSCloudKeychainSynchronizeAndWait returned: %@", returnedValues);
+        if (error)
+            secerror("SOSCloudKeychainSynchronizeAndWait returned error: %@", error);
+        objects = returnedValues;
+        if (objects)
+            CFRetain(objects);
+        secerror("SOSCloudKeychainGetObjectsFromCloud block exit: %@", objects);
+        dispatch_semaphore_signal(waitSemaphore);
+    };
+
+    SOSCloudKeychainSynchronizeAndWait(keysToGet, generalq, replyBlock);
+
+       dispatch_semaphore_wait(waitSemaphore, finishTime);
+       dispatch_release(waitSemaphore);
+
+    CFReleaseSafe(keysToGet);
+    printmsg(CFSTR("   : %@\n"), objects);
+    if (objects)
+        displayCircles(objects);
+    printf("\n");
+    return false;
+}
+
+// enable, disable, accept, reject, status, Reset, Clear
+int
+keychain_sync(int argc, char * const *argv)
+{
+    /*
+     "    -e     Enable Keychain Syncing (join/create circle)\n"
+     "    -d     Disable Keychain Syncing\n"
+     "    -a     Accept all applicants\n"
+     "    -r     Reject all applicants\n"
+     "    -i     Info\n"
+     "    -k     Pend all registered kvs keys\n"
+     "    -s     Schedule sync with all peers\n"
+     "    -R     Reset\n"
+     "    -O     ResetToOffering\n"
+     "    -C     Clear all values from KVS\n"
+     "    -P    [label:]password  Set password (optionally for a given label) for sync\n"
+     "    -D    [itemName]  Dump contents of KVS\n"
+     "    -P    [label:]password  Set password (optionally for a given label) for sync\n"
+     "    -T    [label:]password  Try password (optionally for a given label) for sync\n"
+     "    -U     Purge private key material cache\n"
+     "    -D    [itemName]  Dump contents of KVS\n"
+     "    -W    itemNames  sync and dump\n"
+     "    -X    [limit]  Best effort bail from circle in limit seconds\n"
+     */
+       int ch, result = 0;
+    CFErrorRef error = NULL;
+    bool hadError = false;
+    
+       while ((ch = getopt(argc, argv, "edakrisROChP:T:DW:UX:")) != -1)
+       {
+               switch  (ch)
+               {
+        case 'e':
+            printf("Keychain syncing is being turned ON\n");
+            hadError = requestToJoinCircle(&error);
+            break;
+        case 'd':
+            printf("Keychain syncing is being turned OFF\n");
+            hadError = !SOSCCRemoveThisDeviceFromCircle(&error);
+            break;
+        case 'a':
+            {
+                CFArrayRef applicants = SOSCCCopyApplicantPeerInfo(NULL);
+                if (applicants)
+                {
+                    hadError = !SOSCCAcceptApplicants(applicants, &error);
+                    CFRelease(applicants);
+                }
+                else
+                    fprintf(stderr, "No applicants to accept\n");
+            }
+            break;
+        case 'r':
+            {
+                CFArrayRef applicants = SOSCCCopyApplicantPeerInfo(NULL);
+                if (applicants)
+                {
+                    hadError = !SOSCCRejectApplicants(applicants, &error);
+                    CFRelease(applicants);
+                }
+                else
+                    fprintf(stderr, "No applicants to reject\n");
+            }
+            break;
+        case 'i':
+            dumpCircleInfo();
+            break;
+        case 'k':
+            notify_post("com.apple.security.cloudkeychain.forceupdate");
+            break;
+        case 's':
+            //SOSCloudKeychainRequestSyncWithAllPeers(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), NULL);
+            break;
+        case 'R':
+            hadError = !SOSCCResetToEmpty(&error);
+            break;
+        case 'O':
+            hadError = !SOSCCResetToOffering(&error);
+            break;
+        case 'C':
+            hadError = clearAllKVS(&error);
+            break;
+        case 'P':
+            hadError = setPassword(optarg, &error);
+            break;
+        case 'T':
+            hadError = tryPassword(optarg, &error);
+            break;
+        case 'X':
+            {
+            uint64_t limit = strtoul(optarg, NULL, 10);
+            hadError = !SOSCCBailFromCircle_BestEffort(limit, &error);
+            }
+            break;
+        case 'U':
+            hadError = !SOSCCPurgeUserCredentials(&error);
+            break;
+        case 'D':
+            hadError = dumpKVS(optarg, &error);
+            break;
+        case 'W':
+            hadError = syncAndWait(optarg, &error);
+            break;
+               case '?':
+               default:
+                       return 2; /* Return 2 triggers usage message. */
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
+
+//     if (argc == 0)
+//             return 2;
+
+       if (hadError)
+        printerr(CFSTR("Error: %@\n"), error);
+
+    //                 sec_perror("SecItemAdd", result);
+
+       return result;
+}