updated version of secretmgr #5
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convertsecrets
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convertsecrets
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#!/usr/bin/env nix-shell
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#!nix-shell -i python3 -p "python3.withPackages(ps: [ ps.pip ps.consul ps.ldap ps.passlib ps.requests ps.six ])"
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# DEPENDENCY: python-consul
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import consul
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# DEPENDENCY: python-ldap
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import ldap
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# DEPENDENCY: passlib
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from passlib.hash import ldap_salted_sha1
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import os
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import sys
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import glob
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import subprocess
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import getpass
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import base64
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from secrets import token_bytes
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"""
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TODO: this will be a utility to handle secrets in the Consul database
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for the various components of the Deuxfleurs infrastructure
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Functionnalities:
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- check that secrets are correctly configured
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- help user fill in secrets
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- create LDAP service users and fill in corresponding secrets
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- maybe one day: manage SSL certificates and keys
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It uses files placed in <module_name>/secrets/* to know what secrets
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it should handle. These secret files contain directives for what to do
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about these secrets.
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Example directives:
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USER <description>
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(a secret that must be filled in by the user)
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USER_LONG <description>
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(the same, indicates that the secret fits on several lines)
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CMD <command>
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(a secret that is generated by running this command)
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CMD_ONCE <command>
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(same, but value is not changed when doing a regen)
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CONST <constant value>
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(the secret has a constant value set here)
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CONST_LONG
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<constant value, several lines>
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(same)
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SERVICE_DN <service name> <service description>
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(the LDAP DN of a service user)
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SERVICE_PASSWORD <service name>
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(the LDAP password for the corresponding service user)
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SSL_CERT <cert name> <list of domains>
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(a SSL domain for the given domains)
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SSL_KEY <cert name>
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(the SSL key going with corresponding certificate)
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RSA_PUBLIC_KEY <key name> <key description>
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(a public RSA key)
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RSA_PRIVATE_KEY <key name>
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(the corresponding private RSA key)
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"""
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# Parameters
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LDAP_URL = "ldap://localhost:1389"
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SERVICE_DN_SUFFIX = "ou=services,ou=users,dc=deuxfleurs,dc=fr"
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consul_server = consul.Consul()
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# ----
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USER = "USER"
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USER_LONG = "USER_LONG"
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CMD = "CMD"
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CMD_ONCE = "CMD_ONCE"
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CONST = "CONST"
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CONST_LONG = "CONST_LONG"
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SERVICE_DN = "SERVICE_DN"
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SERVICE_PASSWORD = "SERVICE_PASSWORD"
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SSL_CERT = "SSL_CERT"
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SSL_KEY = "SSL_KEY"
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RSA_PUBLIC_KEY = "RSA_PUBLIC_KEY"
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RSA_PRIVATE_KEY = "RSA_PRIVATE_KEY"
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class bcolors:
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HEADER = '\033[95m'
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OKBLUE = '\033[94m'
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OKCYAN = '\033[96m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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FAIL = '\033[91m'
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ENDC = '\033[0m'
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BOLD = '\033[1m'
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UNDERLINE = '\033[4m'
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def read_secret(key, file_path):
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lines = [l.strip() for l in open(file_path, "r")]
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if len(lines) == 0:
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print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Empty file in", file_path)
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sys.exit(-1)
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l0 = lines[0].split(" ")
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stype = l0[0]
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secret = {"type": stype, "key": key}
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if stype in [USER, USER_LONG]:
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secret["desc"] = " ".join(l0[1:])
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elif stype in [CMD, CMD_ONCE]:
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secret["cmd"] = " ".join(l0[1:])
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elif stype == CONST:
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secret["value"] = " ".join(l0[1:])
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elif stype == CONST_LONG:
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secret["value"] = "\n".join(lines[1:])
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elif stype in [SERVICE_DN, SERVICE_PASSWORD]:
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secret["service"] = l0[1]
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if stype == SERVICE_DN:
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secret["service_desc"] = " ".join(l0[2:])
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elif stype in [SSL_CERT, SSL_KEY]:
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secret["cert_name"] = l0[1]
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if stype == SSL_CERT:
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secret["cert_domains"] = l0[2:]
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elif stype in [RSA_PUBLIC_KEY, RSA_PRIVATE_KEY]:
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secret["key_name"] = l0[1]
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if stype == RSA_PUBLIC_KEY:
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secret["key_desc"] = " ".join(l0[2:])
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else:
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print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Invalid secret type", stype, "in", file_path)
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sys.exit(-1)
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return secret
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def read_secrets(module_list):
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secrets = {}
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for mod in module_list:
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for file_path in glob.glob(mod.strip('/') + "/secrets/**", recursive=True):
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if os.path.isfile(file_path):
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key = '/'.join(file_path.split("/")[1:])
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secrets[key] = read_secret(key, file_path)
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return secrets
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def convert_secrets(module_list):
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for mod in module_list:
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print("converting module: ", mod)
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secrets = read_secrets([mod])
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with open(os.path.join(mod.strip('/'), "secrets.toml"), "w") as file:
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for (secret_key, secret) in secrets.items():
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file.write("[secrets.\"{}\"]\n".format("/".join(secret_key.split("/")[1:])))
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ty = secret["type"]
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if ty in [CMD, CMD_ONCE]:
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newsecret = {
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"type": "command",
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"rotate": ty != "CMD_ONCE",
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"command": secret["cmd"],
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}
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elif ty in [USER, USER_LONG]:
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newsecret = {
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"type": "user",
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"multiline": ty == "USER_LONG",
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"description": secret["desc"],
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}
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elif ty in [CONST, CONST_LONG]:
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newsecret = {
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"type": "constant",
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"value": secret["value"],
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}
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else:
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newsecret = {
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"type": secret["type"],
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}
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if "service_desc" in secret:
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newsecret["description"] = secret["service_desc"]
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if "key_desc" in secret:
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newsecret["description"] = secret["key_desc"]
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if "cert_name" in secret:
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newsecret["name"] = secret["cert_name"]
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if "key_name" in secret:
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newsecret["name"] = secret["key_name"]
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for k in ["service", "cert_domains"]:
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if k in secret:
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newsecret[k] = secret[k]
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for (k, v) in newsecret.items():
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if type(v) == bool:
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if v:
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file.write("{} = true\n".format(k))
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elif type(v) == str:
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file.write("{} = {}\n".format(k, repr(v)))
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else:
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print("warning: invalid value: ", v)
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print("secret to fix: ", k)
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file.write("{} = {}\n".format(k, repr(repr(v))))
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file.write("\n")
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# ---- MAIN ----
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if __name__ == "__main__":
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for i, val in enumerate(sys.argv):
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if val == "convert":
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convert_secrets(sys.argv[i+1:])
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break
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else:
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print("Usage:")
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print(" convertsecrets convert <module name>...")
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# vim: set sts=4 ts=4 sw=4 tw=0 ft=python et :
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