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tag: 1.2
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#import "SecurityHelper.h"
#import <Security/AuthorizationTags.h>
@implementation SecurityHelper
// returns an instace of itself, creating one if needed
+ sharedInstance {
static id sharedTask = nil;
if(sharedTask==nil) {
sharedTask = [[SecurityHelper alloc] init];
}
return sharedTask;
}
// initializes the super class and sets authorizationRef to NULL
- (id)init {
self = [super init];
authorizationRef = NULL;
return self;
}
// Code from: http://svn.kismac-ng.org/kmng/trunk/Subprojects/BIGeneric/BLAuthentication.m
-(BOOL)executeCommand:(NSString *)pathToCommand withArgs:(NSArray *)arguments {
char* args[30]; // can only handle 30 arguments to a given command
OSStatus err = 0;
unsigned int i = 0;
if( arguments == nil || [arguments count] < 1 ) {
err = AuthorizationExecuteWithPrivileges(authorizationRef, [pathToCommand fileSystemRepresentation], 0, NULL, NULL);
}
else {
while( i < [arguments count] && i < 19) {
args[i] = (char*)[[arguments objectAtIndex:i] cString];
i++;
}
args[i] = NULL;
err = AuthorizationExecuteWithPrivileges(authorizationRef, [pathToCommand fileSystemRepresentation],
0, args, NULL);
}
if(err!=0) {
NSBeep();
NSLog(@"Error %d in AuthorizationExecuteWithPrivileges",err);
return NO;
} else {
return YES;
}
}
-(void)setAuthorizationRef:(AuthorizationRef)theAuthorizationRef {
authorizationRef = theAuthorizationRef;
}
-(AuthorizationRef)authorizationRef {
return authorizationRef;
}
-(void)deauthorize {
authorizationRef = NULL;
}
-(BOOL)isAuthorized {
if (authorizationRef == NULL) {
return NO;
} else {
return YES;
}
}
@end
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