Re: Unable to unload Launch Daemon using Cocoa Application.

FROM : JanakiRam
DATE : Sun Mar 23 15:00:51 2008

It seems no one had came across such a situation. Can any one from apple
help me ?

Please help me to solve this problem. Thanks in Advance.

-JanakiRam.

On 3/22/08, JanakiRam <<email_removed>> wrote:
>
> Hi All,
>
>        I'm developing a cocoa application which needs to unload my Launch
> Daemon for one particular requirement. I've used Authorization Services to
> perform unload of Launch Daemon ( previlaged action ). But couldn't succeed
> in this. I'm getting the following error on executed  my code.
>
> *Output :*
> **
> *lauchctl : Error in unloading mydaemon*
> **
> *Note :* Attaching my code snippet for your reference.
>
>          Please help me to solve this problem. Thanks in Advance.
>
> -JanakiRam
>
>  *Code Snippet :*
> **
> *- (void) UnloadDaemon
> {
>    // setup our authorization environment.
>    AuthorizationItem authItems[1];  // we only want to get authorization
> for one command
>    BOOL authorized = NO;  // are we authorized?
>    char *args[4];
>
>    char *command = "/bin/launchctl";
>
>    authItems[0].name = kAuthorizationRightExecute; // we want the right
> to execute
>    authItems[0].value = command;  // the path to the startup script
>    authItems[0].valueLength = strlen(command); // length of the command
>    authItems[0].flags = 0;    // no extra flags
>
>    authRights.count = 1;  // we have one item
>    authRights.items = authItems; // here is the values for our item
>
>    authFlags = kAuthorizationFlagInteractionAllowed |
> kAuthorizationFlagExtendRights;
>
>    // lets find out if we are authorized
>
>    ourStatus = AuthorizationCopyRights(authorizationRef,&authRights,
>                kAuthorizationEmptyEnvironment, authFlags, NULL);
>
>    authorized = (errAuthorizationSuccess==ourStatus);
>
>    if (authorized)
>    {
>        // we are authorized, so let's tell the security framework to
> execute
>        // our command as root
>  args[0] = "unload";
>        args[1] = "-w";
>  args[2] = "/Library/LaunchDaemons/org.mycompany.launchdaemon.plist";
>  args[3] = NULL;
>
>        ourStatus = AuthorizationExecuteWithPrivileges(authorizationRef,
>                                              command,
>                                              kAuthorizationFlagDefaults,
> args, NULL);
>
>        if(ourStatus != errAuthorizationSuccess)
>        {
>            NSLog(@"unload has failed");
>        }
>    }
>    else
>    {
>      NSLog(@"error in authentication");
>    }
> }*
>