santa/Source/common/SNTDeviceEvent.m

#import "Source/common/SNTDeviceEvent.h"

@implementation SNTDeviceEvent

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wobjc-literal-conversion"

#define ENCODE(obj, key) \
  if (obj) [coder encodeObject:obj forKey:key]
#define DECODE(cls, key) [decoder decodeObjectOfClass:[cls class] forKey:key]
#define DECODEARRAY(cls, key)                                                             \
  [decoder decodeObjectOfClasses:[NSSet setWithObjects:[NSArray class], [cls class], nil] \
                          forKey:key]

- (instancetype)initWithOnName:(NSString *)mntonname fromName:(NSString *)mntfromname {
  self = [super init];
  if (self) {
    _mntonname = mntonname;
    _mntfromname = mntfromname;
  }
  return self;
}

+ (BOOL)supportsSecureCoding {
  return YES;
}

- (void)encodeWithCoder:(NSCoder *)coder {
  ENCODE(self.mntonname, @"mntonname");
  ENCODE(self.mntfromname, @"mntfromname");
  ENCODE(self.remountArgs, @"remountArgs");
}

- (instancetype)initWithCoder:(NSCoder *)decoder {
  self = [super init];
  if (self) {
    _mntonname = DECODE(NSString, @"mntonname");
    _mntfromname = DECODE(NSString, @"mntfromname");
    _remountArgs = DECODEARRAY(NSString, @"remountArgs");
  }
  return self;
}
- (NSString *)description {
  return [NSString stringWithFormat:@"SNTDeviceEvent '%@' -> '%@' (with permissions: [%@]",
                                    self.mntfromname, self.mntonname,
                                    [self.remountArgs componentsJoinedByString:@", "]];
}

- (NSString *)readableRemountArgs {
  NSMutableArray<NSString *> *readable = [NSMutableArray array];
  for (NSString *arg in self.remountArgs) {
    if ([arg isEqualToString:@"rdonly"]) {
      [readable addObject:@"read-only"];
    } else if ([arg isEqualToString:@"noexec"]) {
      [readable addObject:@"block executables"];
    } else {
      [readable addObject:arg];
    }
  }
  return [readable componentsJoinedByString:@", "];
}

@end