Run the server as an unprivileged user

This commit is contained in:
kaiyou 2018-02-04 23:19:08 +01:00
parent f72c9c1fb6
commit e9021e16c4
2 changed files with 8 additions and 5 deletions

View file

@ -1,6 +1,6 @@
FROM python:2-alpine FROM python:2-alpine
RUN apk add --no-cache --virtual .nacl_deps build-base libffi-dev zlib-dev openssl-dev libjpeg-turbo-dev linux-headers postgresql-dev RUN apk add --no-cache --virtual .nacl_deps su-exec build-base libffi-dev zlib-dev openssl-dev libjpeg-turbo-dev linux-headers postgresql-dev
COPY . /synapse COPY . /synapse

View file

@ -9,14 +9,16 @@ convert = lambda src, dst, environ: open(dst, "w").write(jinja2.Template(open(sr
mode = sys.argv[1] if len(sys.argv) > 1 else None mode = sys.argv[1] if len(sys.argv) > 1 else None
environ = os.environ.copy() environ = os.environ.copy()
# Check mandatory parameters and build the base start arguments
if "SYNAPSE_SERVER_NAME" not in environ: if "SYNAPSE_SERVER_NAME" not in environ:
print("Environment variable SYNAPSE_SERVER_NAME is mandatory, exiting.") print("Environment variable SYNAPSE_SERVER_NAME is mandatory, exiting.")
sys.exit(2) sys.exit(2)
permissions = "{}:{}".format(environ.get("UID", 991), environ.get("GID", 991))
args = ["python", "-m", "synapse.app.homeserver", args = ["python", "-m", "synapse.app.homeserver",
"--server-name", os.environ.get("SYNAPSE_SERVER_NAME"), "--server-name", environ.get("SYNAPSE_SERVER_NAME"),
"--report-stats", os.environ.get("SYNAPSE_REPORT_STATS", "no"), "--report-stats", environ.get("SYNAPSE_REPORT_STATS", "no"),
"--config-path", os.environ.get("SYNAPSE_CONFIG_PATH", "/compiled/homeserver.yaml")] "--config-path", environ.get("SYNAPSE_CONFIG_PATH", "/compiled/homeserver.yaml")]
# Generate any missing shared secret # Generate any missing shared secret
for secret in ("SYNAPSE_REGISTRATION_SHARED_SECRET", "SYNAPSE_MACAROON_SECRET_KEY"): for secret in ("SYNAPSE_REGISTRATION_SHARED_SECRET", "SYNAPSE_MACAROON_SECRET_KEY"):
@ -35,4 +37,5 @@ if mode == "generate":
# In normal mode, generate missing keys if any, then run synapse # In normal mode, generate missing keys if any, then run synapse
else: else:
subprocess.check_output(args + ["--generate-keys"]) subprocess.check_output(args + ["--generate-keys"])
os.execv("/usr/local/bin/python", args) subprocess.check_output(["chown", "-R", permissions, "/data"])
os.execv("/sbin/su-exec", ["su-exec", permissions] + args)