#include <security_utilities/logging.h>
#include <security_utilities/cfmunge.h>
+#include <map>
namespace Security {
namespace CodeSigning {
static dispatch_once_t dispatchInit; // one-time init marker
static xpc_connection_t service; // connection to spd
static dispatch_queue_t queue; // dispatch queue for service
-
+
+static map<uint64_t, SecAssessmentFeedback> *feedbackBlocks;
+
static void init()
{
dispatch_once(&dispatchInit, ^void(void) {
+ feedbackBlocks = new map<uint64_t, SecAssessmentFeedback>;
const char *name = serviceName;
if (const char *env = getenv("SYSPOLICYNAME"))
name = env;
- queue = dispatch_queue_create("spd-client", 0);
+ queue = dispatch_queue_create("spd-client", DISPATCH_QUEUE_SERIAL);
service = xpc_connection_create_mach_service(name, queue, XPC_CONNECTION_MACH_SERVICE_PRIVILEGED);
xpc_connection_set_event_handler(service, ^(xpc_object_t msg) {
if (xpc_get_type(msg) == XPC_TYPE_DICTIONARY) {
const char *function = xpc_dictionary_get_string(msg, "function");
- if (!strcmp(function, "progress")) {
- doProgress(msg);
+ if (strcmp(function, "progress") == 0) {
+ try {
+ doProgress(msg);
+ } catch (...) {
+ Syslog::error("Discarding progress handler exception");
+ }
}
}
});
if (CFGetTypeID(value) == CFURLGetTypeID()) {
CFRef<CFStringRef> path = CFURLCopyFileSystemPath(CFURLRef(value), kCFURLPOSIXPathStyle);
CFDictionaryAddValue(target, key, path);
- } else if (CFEqual(key, kSecAssessmentContextKeyFeedback)) {
- CFDictionaryAddValue(target, key, CFTempNumber(uint64_t(value)));
- } else {
+ } else if (!CFEqual(key, kSecAssessmentContextKeyFeedback)) {
CFDictionaryAddValue(target, key, value);
}
}
precheckAccess(path, context);
Message msg("assess");
xpc_dictionary_set_string(msg, "path", cfString(path).c_str());
- xpc_dictionary_set_int64(msg, "flags", flags);
+ xpc_dictionary_set_uint64(msg, "flags", flags);
CFRef<CFMutableDictionaryRef> ctx = makeCFMutableDictionary();
- if (context)
+ if (context) {
CFDictionaryApplyFunction(context, copyCFDictionary, ctx);
+ }
+
+ SecAssessmentFeedback feedback = (SecAssessmentFeedback)CFDictionaryGetValue(context, kSecAssessmentContextKeyFeedback);
+
+ /* Map the feedback block to a random number for tracking, because we don't want
+ * to send over a pointer. */
+ uint64_t __block feedbackId = 0;
+ if (feedback) {
+ dispatch_sync(queue, ^{
+ bool added = false;
+ while (!added) {
+ /* Simple sequence number would probably be sufficient,
+ * but making the id unpredictable is also cheap enough here. */
+ arc4random_buf(&feedbackId, sizeof(uint64_t));
+ if ((*feedbackBlocks)[feedbackId] == NULL /* extremely certain */) {
+ (*feedbackBlocks)[feedbackId] = feedback;
+ added = true;
+ }
+ }
+ });
+ CFDictionaryAddValue(ctx, kSecAssessmentContextKeyFeedback, CFTempNumber(feedbackId));
+ }
+
CFRef<CFDataRef> contextData = makeCFData(CFDictionaryRef(ctx));
xpc_dictionary_set_data(msg, "context", CFDataGetBytePtr(contextData), CFDataGetLength(contextData));
msg.send();
+ /* Done, feedback block won't be called anymore,
+ * so remove the feedback mapping from the global map. */
+ if (feedback) {
+ dispatch_sync(queue, ^{
+ feedbackBlocks->erase(feedbackId);
+ });
+ }
+
if (int64_t error = xpc_dictionary_get_int64(msg, "error"))
MacOSError::throwMe((int)error);
uint64_t total = xpc_dictionary_get_uint64(msg, "total");
uint64_t ref = xpc_dictionary_get_uint64(msg, "ref");
const char *token = xpc_dictionary_get_string(msg, "token");
- SecAssessmentFeedback feedback = SecAssessmentFeedback(ref);
+
+ SecAssessmentFeedback feedback = NULL;
+
+ // doProgress is called on the queue, so no dispatch_sync here.
+ try {
+ feedback = feedbackBlocks->at(ref);
+ } catch (std::out_of_range) {
+ // Indicates that syspolicyd gave us something it shouldn't have.
+ Syslog::error("no feedback block registered with ID %lld", ref);
+ MacOSError::throwMe(errSecCSInternalError);
+ }
+
CFTemp<CFDictionaryRef> info("{current=%d,total=%d}", current, total);
Boolean proceed = feedback(kSecAssessmentFeedbackProgress, info);
if (!proceed) {
} else
MacOSError::throwMe(errSecCSInvalidObjectRef);
}
- xpc_dictionary_set_int64(msg, "flags", flags);
+ xpc_dictionary_set_uint64(msg, "flags", flags);
CFRef<CFMutableDictionaryRef> ctx = makeCFMutableDictionary();
if (context)
CFDictionaryApplyFunction(context, copyCFDictionary, ctx);
*result = xpc_dictionary_get_bool(msg,"result") ? kCFBooleanTrue : kCFBooleanFalse;
}
+void xpcEngineCheckNotarized(CFBooleanRef* result)
+{
+ Message msg("check-notarized");
+
+ msg.send();
+
+ if (int64_t error = xpc_dictionary_get_int64(msg, "error")) {
+ MacOSError::throwMe((int)error);
+ }
+
+ *result = xpc_dictionary_get_bool(msg,"result") ? kCFBooleanTrue : kCFBooleanFalse;
+}
+
+void xpcEngineTicketRegister(CFDataRef ticketData)
+{
+ Message msg("ticket-register");
+ xpc_dictionary_set_data(msg, "ticketData", CFDataGetBytePtr(ticketData), CFDataGetLength(ticketData));
+
+ msg.send();
+
+ if (int64_t error = xpc_dictionary_get_int64(msg, "error")) {
+ MacOSError::throwMe((int)error);
+ }
+}
+
+void xpcEngineTicketLookup(CFDataRef hashData, SecCSDigestAlgorithm hashType, SecAssessmentTicketFlags flags, double *date)
+{
+ Message msg("ticket-lookup");
+ xpc_dictionary_set_data(msg, "hashData", CFDataGetBytePtr(hashData), CFDataGetLength(hashData));
+ xpc_dictionary_set_uint64(msg, "hashType", hashType);
+ xpc_dictionary_set_uint64(msg, "flags", flags);
+
+ msg.send();
+
+ if (int64_t error = xpc_dictionary_get_int64(msg, "error")) {
+ MacOSError::throwMe((int)error);
+ }
+
+ double local_date = xpc_dictionary_get_double(msg, "date");
+ if (date && !isnan(local_date)) {
+ *date = local_date;
+ }
+}
+
+void xpcEngineLegacyCheck(CFDataRef hashData, SecCSDigestAlgorithm hashType, CFStringRef teamID)
+{
+ Message msg("legacy-check");
+ xpc_dictionary_set_data(msg, "hashData", CFDataGetBytePtr(hashData), CFDataGetLength(hashData));
+ xpc_dictionary_set_uint64(msg, "hashType", hashType);
+
+ // There may not be a team id, so just leave it off if there isn't since xpc_dictionary_set_string
+ // will return a NULL if the value isn't provided.
+ if (teamID) {
+ xpc_dictionary_set_string(msg, "teamID", CFStringGetCStringPtr(teamID, kCFStringEncodingUTF8));
+ }
+
+ msg.send();
+
+ if (int64_t error = xpc_dictionary_get_int64(msg, "error")) {
+ MacOSError::throwMe((int)error);
+ }
+}
} // end namespace CodeSigning
} // end namespace Security