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Question:osx:MACOSX: how to start daemon which need root privileges from cocoa application


Conditions are the following: MacOSX 10.7 and Cocoa graphical application written in objective-c.

I am faced the following problem. I can't start daemon application from /user/bin folder from my Cocoa application. I know that I should have root privileges to do that.

I have installer, not *.pkg but manually written installer application. I need to start my daemons after installation process is finished. How can I increase my privileges level in objective-c application?

I have this code. But AuthorizationExecuteWithPrivileges call is deprecated.

We should not use it.

    AuthorizationItem authItem = { kSMRightModifySystemDaemons, 0, NULL, 0 }; AuthorizationRights authRights = { 1, &authItem }; AuthorizationFlags flags = kAuthorizationFlagDefaults | kAuthorizationFlagInteractionAllowed | kAuthorizationFlagPreAuthorize | kAuthorizationFlagExtendRights;

    AuthorizationRef authRef = NULL;

    OSStatus status = AuthorizationCreate(&authRights, kAuthorizationEmptyEnvironment, flags, &authRef);

    status = AuthorizationExecuteWithPrivileges(authorizationRef, tool, kAuthorizationFlagDefaults, args, &pipe);

The second way is to use privileged helper. This way looks very complicated for my case. I just need to start daemons after install.

Of cource I can ask user to restart mac. But i would like to avoid it.

Other possibility is SUID bit on the daemon executable file. But it is not secure i think.

My question is: Is there other simpler way to do it?
asked Sep 13, 2013 in Core java by rajesh
edited Sep 12, 2013
0 votes
24 views



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