diff options
Diffstat (limited to 'secretmgr')
| -rwxr-xr-x | secretmgr/secretmgr | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/secretmgr/secretmgr b/secretmgr/secretmgr deleted file mode 100755 index 0595f81..0000000 --- a/secretmgr/secretmgr +++ /dev/null @@ -1,382 +0,0 @@ -#!/usr/bin/env nix-shell -#!nix-shell -i python3 -p "python3.withPackages(ps: [ ps.pip ps.consul ps.ldap ps.passlib ps.requests ps.six ])" - -# DEPENDENCY: python-consul -import consul - -# DEPENDENCY: python-ldap -import ldap - -# DEPENDENCY: passlib -from passlib.hash import ldap_salted_sha1 - -import os -import sys -import glob -import subprocess -import getpass -import base64 -from secrets import token_bytes - - -""" -TODO: this will be a utility to handle secrets in the Consul database -for the various components of the Deuxfleurs infrastructure - -Functionnalities: -- check that secrets are correctly configured -- help user fill in secrets -- create LDAP service users and fill in corresponding secrets -- maybe one day: manage SSL certificates and keys - -It uses files placed in <module_name>/secrets/* to know what secrets -it should handle. These secret files contain directives for what to do -about these secrets. - -Example directives: - -USER <description> -(a secret that must be filled in by the user) - -USER_LONG <description> -(the same, indicates that the secret fits on several lines) - -CMD <command> -(a secret that is generated by running this command) - -CMD_ONCE <command> -(same, but value is not changed when doing a regen) - -CONST <constant value> -(the secret has a constant value set here) - -CONST_LONG -<constant value, several lines> -(same) - -SERVICE_DN <service name> <service description> -(the LDAP DN of a service user) - -SERVICE_PASSWORD <service name> -(the LDAP password for the corresponding service user) - -SSL_CERT <cert name> <list of domains> -(a SSL domain for the given domains) - -SSL_KEY <cert name> -(the SSL key going with corresponding certificate) - -RSA_PUBLIC_KEY <key name> <key description> -(a public RSA key) - -RSA_PRIVATE_KEY <key name> -(the corresponding private RSA key) -""" - - -# Parameters -LDAP_URL = "ldap://localhost:1389" -SERVICE_DN_SUFFIX = "ou=services,ou=users,dc=deuxfleurs,dc=fr" -consul_server = consul.Consul() - - -# ---- - -USER = "USER" -USER_LONG = "USER_LONG" -CMD = "CMD" -CMD_ONCE = "CMD_ONCE" -CONST = "CONST" -CONST_LONG = "CONST_LONG" -SERVICE_DN = "SERVICE_DN" -SERVICE_PASSWORD = "SERVICE_PASSWORD" -SSL_CERT = "SSL_CERT" -SSL_KEY = "SSL_KEY" -RSA_PUBLIC_KEY = "RSA_PUBLIC_KEY" -RSA_PRIVATE_KEY = "RSA_PRIVATE_KEY" - -class bcolors: - HEADER = '\033[95m' - OKBLUE = '\033[94m' - OKCYAN = '\033[96m' - OKGREEN = '\033[92m' - WARNING = '\033[93m' - FAIL = '\033[91m' - ENDC = '\033[0m' - BOLD = '\033[1m' - UNDERLINE = '\033[4m' - -def read_secret(key, file_path): - lines = [l.strip() for l in open(file_path, "r")] - if len(lines) == 0: - print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Empty file in", file_path) - sys.exit(-1) - l0 = lines[0].split(" ") - stype = l0[0] - secret = {"type": stype, "key": key} - if stype in [USER, USER_LONG]: - secret["desc"] = " ".join(l0[1:]) - elif stype in [CMD, CMD_ONCE]: - secret["cmd"] = " ".join(l0[1:]) - elif stype == CONST: - secret["value"] = " ".join(l0[1:]) - elif stype == CONST_LONG: - secret["value"] = "\n".join(lines[1:]) - elif stype in [SERVICE_DN, SERVICE_PASSWORD]: - secret["service"] = l0[1] - if stype == SERVICE_DN: - secret["service_desc"] = " ".join(l0[2:]) - elif stype in [SSL_CERT, SSL_KEY]: - secret["cert_name"] = l0[1] - if stype == SSL_CERT: - secret["cert_domains"] = l0[2:] - elif stype in [RSA_PUBLIC_KEY, RSA_PRIVATE_KEY]: - secret["key_name"] = l0[1] - if stype == RSA_PUBLIC_KEY: - secret["key_desc"] = " ".join(l0[2:]) - else: - print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Invalid secret type", stype, "in", file_path) - sys.exit(-1) - - return secret - -def read_secrets(module_list): - secrets = {} - for mod in module_list: - for file_path in glob.glob(mod.strip('/') + "/secrets/**", recursive=True): - if os.path.isfile(file_path): - key = '/'.join(file_path.split("/")[1:]) - secrets[key] = read_secret(key, file_path) - return secrets - -def get_secrets_services(secrets): - services = {} - for key, secret in secrets.items(): - if secret["type"] not in [SERVICE_DN, SERVICE_PASSWORD]: - continue - svc = secret["service"] - print(svc, "@", key, bcolors.OKCYAN, "...", bcolors.ENDC) - if svc not in services: - services[svc] = { - "dn": "cn=%s,%s"%(svc, SERVICE_DN_SUFFIX), - "desc": "(not provided)", - "pass": None, - "dn_at": [], - "pass_at": [], - } - if secret["type"] == SERVICE_DN: - services[svc]["dn_at"].append(key) - services[svc]["desc"] = secret["service_desc"] - - if secret["type"] == SERVICE_PASSWORD: - services[svc]["pass_at"].append(key) - _, data = consul_server.kv.get(key) - if data is not None: - if services[svc]["pass"] is None: - services[svc]["pass"] = data["Value"].decode('ascii').strip() - - return services - -ldap_admin_conn = None -def get_ldap_admin_conn(): - global ldap_admin_conn - if ldap_admin_conn is None: - ldap_admin_conn = ldap.initialize(LDAP_URL) - ldap_user = input("LDAP admin user (full DN, please!): ") - ldap_pass = getpass.getpass("LDAP admin password: ") - ldap_admin_conn.simple_bind_s(ldap_user, ldap_pass) - return ldap_admin_conn - -# ---- CHECK COMMAND ---- - -def check_secrets(module_list): - secrets = read_secrets(module_list) - print("Found", len(secrets), "secrets to check") - print() - - check_secrets_presence(secrets) - check_secrets_services(secrets) - -def check_secrets_presence(secrets): - print("Checking secrets presence...") - for key in secrets.keys(): - _, data = consul_server.kv.get(key) - if data is None: - print(key, bcolors.FAIL, "x", bcolors.ENDC) - else: - print(key, bcolors.OKGREEN, "✓", bcolors.ENDC) - print() - -def check_secrets_services(secrets): - print("Checking secrets for LDAP service users...") - services = get_secrets_services(secrets) - - for svc_name, svc in services.items(): - for dn_key in svc["dn_at"]: - _, data = consul_server.kv.get(dn_key) - if data is not None: - got_val = data["Value"].decode('ascii').strip() - if got_val != svc["dn"]: - print(svc_name, "wrong DN at", dn_key, bcolors.FAIL, "x", bcolors.ENDC) - print("got:", got_val, "instead of:", svc["dn"]) - - if svc["pass"] is None: - print(svc_name, bcolors.FAIL, "no password stored", bcolors.ENDC) - else: - for pass_key in svc["pass_at"]: - _, data = consul_server.kv.get(pass_key) - if data is not None: - got_val = data["Value"].decode('ascii').strip() - if got_val != svc["pass"]: - print(svc_name, "wrong pass at", dn_key, bcolors.FAIL, "x", bcolors.ENDC) - - l = ldap.initialize(LDAP_URL) - try: - l.simple_bind_s(svc["dn"], svc["pass"]) - print(svc_name, bcolors.OKGREEN, "✓", bcolors.ENDC) - except Exception as e: - print(svc_name, bcolors.FAIL, e, bcolors.ENDC) - print() - - -# ---- GEN COMMAND ---- - -def gen_secrets(module_list, regen): - secrets = read_secrets(module_list) - print("Found", len(secrets), "secrets to check and maybe generate") - print() - - gen_secrets_base(secrets, regen) - gen_secrets_services(secrets, regen) - - check_secrets_presence(secrets) - check_secrets_services(secrets) - -def gen_secrets_base(secrets, regen): - print("Filling in user secrets and cmd secrets...") - - for key, secret in secrets.items(): - _, data = consul_server.kv.get(key) - if data is not None and not regen: - continue - - if secret["type"] == USER: - print("----") - print(key) - print("Description:", secret["desc"]) - print("Enter value for secret, or ^C to skip:") - try: - val = input().strip() - consul_server.kv.put(key, val) - print(bcolors.OKCYAN, "Value set.", bcolors.ENDC) - except KeyboardInterrupt: - print(bcolors.WARNING, "Skipped.", bcolors.ENDC) - - if secret["type"] == USER_LONG: - print("----") - print(key) - print("Description:", secret["desc"]) - print("Enter value for secret, or ^C to skip:") - print("THIS IS A LONG VALUE, ENTER SEVERAL LINES AND FINISH WITH A LINE CONTAINING A SINGLE .") - try: - lines = [] - while True: - line = input().strip() - if line == ".": - break - lines.append(line) - val = "\n".join(lines) - consul_server.kv.put(key, val) - print(bcolors.OKCYAN, "Value set.", bcolors.ENDC) - except KeyboardInterrupt: - print(bcolors.WARNING, "Skipped.", bcolors.ENDC) - - if secret["type"] in [CONST, CONST_LONG]: - print("----") - print(key) - print("Resetting to constant value.") - consul_server.kv.put(key, secret["value"]) - print(bcolors.OKCYAN, "Value set.", bcolors.ENDC) - - if secret["type"] == CMD or (secret["type"] == CMD_ONCE and data is None): - print("----") - print(key) - print("Executing command:", secret["cmd"]) - val = subprocess.check_output(["sh", "-c", secret["cmd"]]) - consul_server.kv.put(key, val) - print(bcolors.OKCYAN, "Value set.", bcolors.ENDC) - - print() - -def gen_secrets_services(secrets, regen): - print("Generating LDAP service accounts...") - services = get_secrets_services(secrets) - - for svc_name, svc in services.items(): - print("----") - print("Service:", svc_name) - print("Description:", svc["desc"]) - - for dn_key in svc["dn_at"]: - _, data = consul_server.kv.get(dn_key) - if data is None or data["Value"].decode('ascii').strip() != svc["dn"]: - print(bcolors.OKCYAN, "Setting DN", bcolors.ENDC, "at", dn_key) - consul_server.kv.put(dn_key, svc["dn"]) - - if svc["pass"] is None or regen: - print(bcolors.OKCYAN, "Generating new password", bcolors.ENDC) - svc["pass"] = base64.urlsafe_b64encode(token_bytes(12)).decode('ascii') - - l = ldap.initialize(LDAP_URL) - try: - l.simple_bind_s(svc["dn"], svc["pass"]) - except: - fix_service_user(svc) - - for pass_key in svc["pass_at"]: - _, data = consul_server.kv.get(pass_key) - if data is None or data["Value"].decode('ascii').strip() != svc["pass"]: - print(bcolors.OKCYAN, "Setting password", bcolors.ENDC, "at", pass_key) - consul_server.kv.put(pass_key, svc["pass"]) - - print() - -def fix_service_user(svc): - print("Fixing service user", svc["dn"], "...") - l = get_ldap_admin_conn() - res = l.search_s(svc["dn"], ldap.SCOPE_BASE, "objectclass=*") - pass_crypt = ldap_salted_sha1.hash(svc["pass"]) - if res is None or len(res) == 0: - print(bcolors.OKCYAN, "Creating entity...", bcolors.ENDC) - l.add_s(svc["dn"], - [ - ("objectclass", [b"person", b"top"]), - ("displayname", [svc["desc"].encode('ascii')]), - ("userpassword", [pass_crypt.encode('ascii')]), - ]) - else: - print(bcolors.OKCYAN, "Resetting entity password", bcolors.ENDC) - l.modify_s(svc["dn"], - [ - (ldap.MOD_REPLACE, "userpassword", [pass_crypt.encode('ascii')]) - ]) - -# ---- MAIN ---- - -if __name__ == "__main__": - for i, val in enumerate(sys.argv): - if val == "check": - check_secrets(sys.argv[i+1:]) - break - elif val == "gen": - gen_secrets(sys.argv[i+1:], False) - break - elif val == "regen": - gen_secrets(sys.argv[i+1:], True) - break - else: - print("Usage:") - print(" secretmgr.py [check|gen|regen] <module name>...") - - -# vim: set sts=4 ts=4 sw=4 tw=0 ft=python et : |