125 lines
3.9 KiB
Nix
125 lines
3.9 KiB
Nix
import ./make-test-python.nix {
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name = "opensmtpd";
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nodes = {
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smtp1 = { pkgs, ... }: {
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imports = [ common/user-account.nix ];
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networking = {
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firewall.allowedTCPPorts = [ 25 ];
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useDHCP = false;
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interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
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{ address = "192.168.1.1"; prefixLength = 24; }
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];
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};
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environment.systemPackages = [ pkgs.opensmtpd ];
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services.opensmtpd = {
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enable = true;
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extraServerArgs = [ "-v" ];
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serverConfiguration = ''
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listen on 0.0.0.0
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action do_relay relay
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# DO NOT DO THIS IN PRODUCTION!
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# Setting up authentication requires a certificate which is painful in
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# a test environment, but THIS WOULD BE DANGEROUS OUTSIDE OF A
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# WELL-CONTROLLED ENVIRONMENT!
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match from any for any action do_relay
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'';
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};
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};
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smtp2 = { pkgs, ... }: {
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imports = [ common/user-account.nix ];
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networking = {
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firewall.allowedTCPPorts = [ 25 143 ];
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useDHCP = false;
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interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
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{ address = "192.168.1.2"; prefixLength = 24; }
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];
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};
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environment.systemPackages = [ pkgs.opensmtpd ];
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services.opensmtpd = {
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enable = true;
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extraServerArgs = [ "-v" ];
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serverConfiguration = ''
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listen on 0.0.0.0
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action dovecot_deliver mda \
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"${pkgs.dovecot}/libexec/dovecot/deliver -d %{user.username}"
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match from any for local action dovecot_deliver
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'';
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};
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services.dovecot2 = {
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enable = true;
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enableImap = true;
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mailLocation = "maildir:~/mail";
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protocols = [ "imap" ];
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};
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};
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client = { pkgs, ... }: {
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networking = {
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useDHCP = false;
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interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
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{ address = "192.168.1.3"; prefixLength = 24; }
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];
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};
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environment.systemPackages = let
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sendTestMail = pkgs.writeScriptBin "send-a-test-mail" ''
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#!${pkgs.python3.interpreter}
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import smtplib, sys
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with smtplib.SMTP('192.168.1.1') as smtp:
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smtp.sendmail('alice@[192.168.1.1]', 'bob@[192.168.1.2]', """
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From: alice@smtp1
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To: bob@smtp2
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Subject: Test
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Hello World
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""")
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'';
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checkMailLanded = pkgs.writeScriptBin "check-mail-landed" ''
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#!${pkgs.python3.interpreter}
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import imaplib
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with imaplib.IMAP4('192.168.1.2', 143) as imap:
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imap.login('bob', 'foobar')
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imap.select()
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status, refs = imap.search(None, 'ALL')
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assert status == 'OK'
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assert len(refs) == 1
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status, msg = imap.fetch(refs[0], 'BODY[TEXT]')
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assert status == 'OK'
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content = msg[0][1]
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print("===> content:", content)
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split = content.split(b'\r\n')
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print("===> split:", split)
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lastline = split[-3]
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print("===> lastline:", lastline)
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assert lastline.strip() == b'Hello World'
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'';
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in [ sendTestMail checkMailLanded ];
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};
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};
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testScript = ''
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start_all()
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client.wait_for_unit("network-online.target")
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smtp1.wait_for_unit("opensmtpd")
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smtp2.wait_for_unit("opensmtpd")
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smtp2.wait_for_unit("dovecot2")
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# To prevent sporadic failures during daemon startup, make sure
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# services are listening on their ports before sending requests
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smtp1.wait_for_open_port(25)
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smtp2.wait_for_open_port(25)
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smtp2.wait_for_open_port(143)
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client.succeed("send-a-test-mail")
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smtp1.wait_until_fails("smtpctl show queue | egrep .")
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smtp2.wait_until_fails("smtpctl show queue | egrep .")
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client.succeed("check-mail-landed >&2")
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'';
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meta.timeout = 30;
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}
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