diff --git a/src/server/slavefuncs.c b/src/server/slavefuncs.c
--- a/src/server/slavefuncs.c
+++ b/src/server/slavefuncs.c
@@ -100,6 +100,17 @@ void loginuser(char *username){
   execio_close(testrem);
 }
 
+/* Replaces username and key in the slave's conf file, currently pseudo */
+void conf_replace(char *username, char *key){
+	// Doesn't delete anything! :D
+	mktemp(); // Gets a new file to put data into
+	fopen('w'); // Open the file we created in write mode
+	fopen('r'); // Open the conf file in read-only mode
+	read(); // Read the created file, scanning for and replacing strings, whie
+	writ(); // writing out to the newly created file
+	fsync(); // fsync the file we wrote data to
+	rename(); // rename the old file to the new file
+}
 
 /* Executors */