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The RELAYNETS environment variable is used for configuring both postfix `mynetworks` and rspamd `local_networks`. Postfix requires IPv6 addresses to be wrapped in square brackets (eg. [2001:db8::]/64).
110 lines
4.5 KiB
Python
Executable File
110 lines
4.5 KiB
Python
Executable File
#!/usr/bin/python3
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import os
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import glob
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import shutil
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import multiprocessing
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import logging as log
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import sys
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import re
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from podop import run_server
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from pwd import getpwnam
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from socrate import system, conf
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log.basicConfig(stream=sys.stderr, level=os.environ.get("LOG_LEVEL", "WARNING"))
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def start_podop():
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os.setuid(getpwnam('postfix').pw_uid)
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os.mkdir('/dev/shm/postfix',mode=0o700)
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url = "http://" + os.environ["ADMIN_ADDRESS"] + "/internal/postfix/"
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# TODO: Remove verbosity setting from Podop?
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run_server(0, "postfix", "/tmp/podop.socket", [
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("transport", "url", url + "transport/§"),
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("alias", "url", url + "alias/§"),
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("dane", "url", url + "dane/§"),
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("domain", "url", url + "domain/§"),
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("mailbox", "url", url + "mailbox/§"),
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("recipientmap", "url", url + "recipient/map/§"),
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("sendermap", "url", url + "sender/map/§"),
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("senderaccess", "url", url + "sender/access/§"),
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("senderlogin", "url", url + "sender/login/§"),
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("senderrate", "url", url + "sender/rate/§")
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])
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def start_mta_sts_daemon():
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os.chmod("/root/", 0o755) # read access to /root/.netrc required
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os.setuid(getpwnam('postfix').pw_uid)
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from postfix_mta_sts_resolver import daemon
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daemon.main()
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def is_valid_postconf_line(line):
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return not line.startswith("#") \
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and not line == ''
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# Actual startup script
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os.environ['DEFER_ON_TLS_ERROR'] = os.environ['DEFER_ON_TLS_ERROR'] if 'DEFER_ON_TLS_ERROR' in os.environ else 'True'
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os.environ["FRONT_ADDRESS"] = system.get_host_address_from_environment("FRONT", "front")
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os.environ["ADMIN_ADDRESS"] = system.get_host_address_from_environment("ADMIN", "admin")
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os.environ["ANTISPAM_MILTER_ADDRESS"] = system.get_host_address_from_environment("ANTISPAM_MILTER", "antispam:11332")
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os.environ["LMTP_ADDRESS"] = system.get_host_address_from_environment("LMTP", "imap:2525")
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os.environ["POSTFIX_LOG_SYSLOG"] = os.environ.get("POSTFIX_LOG_SYSLOG","local")
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os.environ["POSTFIX_LOG_FILE"] = os.environ.get("POSTFIX_LOG_FILE", "")
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# Postfix requires IPv6 addresses to be wrapped in square brackets
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if 'RELAYNETS' in os.environ:
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os.environ["RELAYNETS"] = re.sub(r'([0-9a-fA-F]+:[0-9a-fA-F:]+)/', '[\\1]/', os.environ["RELAYNETS"])
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for postfix_file in glob.glob("/conf/*.cf"):
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conf.jinja(postfix_file, os.environ, os.path.join("/etc/postfix", os.path.basename(postfix_file)))
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if os.path.exists("/overrides/postfix.cf"):
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for line in open("/overrides/postfix.cf").read().strip().split("\n"):
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if is_valid_postconf_line(line):
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os.system('postconf -e "{}"'.format(line))
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if os.path.exists("/overrides/postfix.master"):
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for line in open("/overrides/postfix.master").read().strip().split("\n"):
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if is_valid_postconf_line(line):
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os.system('postconf -Me "{}"'.format(line))
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for map_file in glob.glob("/overrides/*.map"):
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destination = os.path.join("/etc/postfix", os.path.basename(map_file))
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shutil.copyfile(map_file, destination)
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os.system("postmap {}".format(destination))
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os.remove(destination)
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if os.path.exists("/overrides/mta-sts-daemon.yml"):
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shutil.copyfile("/overrides/mta-sts-daemon.yml", "/etc/mta-sts-daemon.yml")
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else:
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conf.jinja("/conf/mta-sts-daemon.yml", os.environ, "/etc/mta-sts-daemon.yml")
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for policy in ['tls_policy', 'transport']:
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if not os.path.exists(f'/etc/postfix/{policy}.map.lmdb'):
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open(f'/etc/postfix/{policy}.map', 'a').close()
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os.system(f'postmap /etc/postfix/{policy}.map')
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if "RELAYUSER" in os.environ:
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path = "/etc/postfix/sasl_passwd"
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conf.jinja("/conf/sasl_passwd", os.environ, path)
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os.system("postmap {}".format(path))
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# Configure and start local rsyslog server
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conf.jinja("/conf/rsyslog.conf", os.environ, "/etc/rsyslog.conf")
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os.system("/usr/sbin/rsyslogd -niNONE &")
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# Configure logrotate and start crond
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if os.environ["POSTFIX_LOG_FILE"] != "":
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conf.jinja("/conf/logrotate.conf", os.environ, "/etc/logrotate.d/postfix.conf")
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os.system("/usr/sbin/crond")
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if os.path.exists("/overrides/logrotate.conf"):
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shutil.copyfile("/overrides/logrotate.conf", "/etc/logrotate.d/postfix.conf")
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# Run Podop and Postfix
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multiprocessing.Process(target=start_podop).start()
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multiprocessing.Process(target=start_mta_sts_daemon).start()
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os.system("/usr/libexec/postfix/post-install meta_directory=/etc/postfix create-missing")
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# Before starting postfix, we need to check permissions on /queue
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# in the event that postfix,postdrop id have changed
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os.system("postfix set-permissions")
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os.system("postfix start-fg")
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