initial

ReadMe.md

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+# PublicKey Configurator.
+Generate keys and configure keys for given users.
+
+# How to use.
+1. write the username to users.txt, one name per line.
+2. run genkeys.py, it will generate ssh key pairs for all the users in the users.txt
+3. run writekeys.py, it will write the generated the keys to $HOME/.ssh/authorized_keys.
+4. send the generated private key to the user.
+
+# Notice.
+if the user has already configured a proper sshkey, it will skip it.

genkeys.py

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+import os
+from utils import load_users
+
+users = load_users('./users.txt')
+
+command = 'ssh-keygen -b 1024 -N "" -C "" -f {0}'
+
+for user in users:
+	if not os.path.isfile(user):
+		this_command = command.format(user)
+		os.system(this_command)

users.txt

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+usernamehere
+oneuserperline

utils.py

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+def load_users(path):
+    with open(path, 'r', encoding='utf-8') as f:
+        users = f.read()
+        users = users.split('\n')
+        users = [u.strip() for u in users]
+        users = [u for u in users if u != '']
+        return users

writekeys.py

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+import os
+from utils import load_users
+
+users = load_users('./users.txt')
+
+home = '/home/{0}'
+
+def excecute(command, prefix='    '):
+    print(prefix + 'executing', command)
+    os.system(command)
+
+
+for user in users:
+    userhome = home.format(user)
+    if os.path.isdir(userhome):
+        print('Writing keys for user {0}'.format(user))
+        # print('checking ', os.path.join(userhome, '.ssh'))
+        ssh_dir = os.path.join(userhome, '.ssh')
+        if not os.path.isdir(ssh_dir):
+            print('.ssh directory do not exist, creating...')
+            excecute('mkdir {0}'.format(ssh_dir))
+            excecute('chown -R {0}:{1} {2}'.format(user, user, ssh_dir))
+
+        authorized_keys = os.path.join(userhome, '.ssh', 'authorized_keys')
+        if os.path.isfile(authorized_keys):
+            print('    keyfile for user {0} already exist, no operation will take.'.format(user))
+        else:
+            print('    Writing keyfiles...')
+            excecute('cp {0}.pub {1}'.format(user, authorized_keys))
+        print('    changing user privelege...')
+        excecute('chown {0}:{1} {2}'.format(user, user, authorized_keys))
+