Debugging in XCode as root

Question

In my program I need to create sockets and bind them to listen HTTP port (80). The program works fine when I launch it from command line with sudo, escalating permissions to

Answer 1

Xcode is able to run the debugging application as root. For this purpose the following steps should be done:

1. Enable the root user for local machine.

   a. Run “Directory Utility” (/System/Library/CoreServices/ Directory Utility.app)

   b. Choose “Enable Root User” from the Edit menu and enter the root password.

2. Enable remote loging.

   a. In System Preferences… -> Sharing, check Remote Login. This option turns on the ssh demon.

3. Create ssh public/private keys and copy public key in the .ssh/authorized_keys folder for root user.

   a. Open terminal on local machine and type ssh-keygen -t rsa

   b. Accept the default location and type password for the root.

   c. Login as root su - and create ~/.ssh directory. (~ == /var/root)

   d. Copy the public key to the root: cat ~/.ssh/id_rsa.pub | ssh root@localhost "cat - >> ~/.ssh/authorized_keys"

   e. Check whether everything is Ok. Type ssh root@localhost. It shouldn’t ask for the root password.

4. Enable remote debugging via ssh in Xcode.

   a. Select «Get Info» from drop-down menu on «Executables».

   b. In the "Debugging" settings check «Debug executable remotely via ssh» and put root@localhost as the «Connect to» info.

5. Everything should be Ok now ☺

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