65 lines
1.7 KiB
Python
Executable File
65 lines
1.7 KiB
Python
Executable File
#!/usr/bin/python3
|
|
import sys
|
|
import boto3
|
|
import argparse
|
|
|
|
parser = argparse.ArgumentParser(description="Get SSH keys from IAM users")
|
|
parser.add_argument(
|
|
"--user", dest="user", action="store", required=True, help="requested user"
|
|
)
|
|
parser.add_argument(
|
|
"--group", action="store", required=True, help="IAM group to search"
|
|
)
|
|
parser.add_argument(
|
|
"--iamRole",
|
|
dest="iamRole",
|
|
action="store",
|
|
help="IAM role ARN to assume to search for IAM users",
|
|
)
|
|
parser.add_argument(
|
|
"--allowedUser",
|
|
dest="allowedUsers",
|
|
action="append",
|
|
default=["alpine"],
|
|
help="Allowed users",
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
# Fail early if invalid user
|
|
if not args.user in args.allowedUsers:
|
|
sys.exit(0)
|
|
|
|
session = boto3.Session()
|
|
|
|
if args.iamRole:
|
|
sts = session.client("sts")
|
|
credentials = sts.assume_role(
|
|
RoleArn=args.iamRole, RoleSessionName="sshdKeyLookup"
|
|
)["Credentials"]
|
|
|
|
assumed_role_session = boto3.Session(
|
|
aws_access_key_id=credentials["AccessKeyId"],
|
|
aws_secret_access_key=credentials["SecretAccessKey"],
|
|
aws_session_token=credentials["SessionToken"],
|
|
)
|
|
iam = assumed_role_session.client("iam")
|
|
|
|
else:
|
|
iam = session.client("iam")
|
|
|
|
try:
|
|
for user in iam.get_group(GroupName=args.group)["Users"]:
|
|
for key_desc in iam.list_ssh_public_keys(UserName=user["UserName"])[
|
|
"SSHPublicKeys"
|
|
]:
|
|
key = iam.get_ssh_public_key(
|
|
UserName=user["UserName"],
|
|
SSHPublicKeyId=key_desc["SSHPublicKeyId"],
|
|
Encoding="SSH",
|
|
)
|
|
if key["SSHPublicKey"]["Status"] == "Active":
|
|
print(key["SSHPublicKey"]
|
|
["SSHPublicKeyBody"], user["UserName"])
|
|
except:
|
|
pass
|