1 files changed, 71 insertions, 0 deletions
diff --git a/Source/SPFunctions.m b/Source/SPFunctions.m
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+//
+//  SPFunctions.m
+//  sequel-pro
+//
+//  Created by Max Lohrmann on 01.10.15.
+//  Copyright (c) 2015 Max Lohrmann. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+//
+//  More info at <https://github.com/sequelpro/sequelpro>
+
+#import "SPFunctions.h"
+#import <Security/SecRandom.h>
+#import "SPOSInfo.h"
+
+void SPMainQSync(void (^block)(void))
+{
+	if(dispatch_get_current_queue() == dispatch_get_main_queue()) {
+		block();
+	}
+	else {
+		dispatch_sync(dispatch_get_main_queue(), block);
+	}
+}
+
+int SPBetterRandomBytes(uint8_t *buf, size_t count)
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
+	if([SPOSInfo isOSVersionAtLeastMajor:10 minor:7 patch:0]) {
+		return SecRandomCopyBytes(kSecRandomDefault, count, buf);
+	}
+#endif
+	// Version for 10.6
+	// https://developer.apple.com/library/prerelease/mac/documentation/Security/Conceptual/cryptoservices/RandomNumberGenerationAPIs/RandomNumberGenerationAPIs.html#//apple_ref/doc/uid/TP40011172-CH12-SW1
+	FILE *fp = fopen("/dev/random", "r");
+ 
+	if (!fp) return -1;
+ 
+	size_t i;
+	for (i=0; i<count; i++) {
+		int c = fgetc(fp);
+		if(c == EOF) { // /dev/random should never EOF
+			errno = ferror(fp);
+			return -1;
+		}
+		buf[i] = c;
+	}
+ 
+	fclose(fp);
+	
+	return 0;
+}