Mirrors/go-chasquid-smtp
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Distinguish between SMTP and submission ports

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We want to be able to distinguish between connections for SMTP and connections
for submission, so we can make different policy decisions.

To do that, we first make the configuration aware of the different kinds of
addresses. This is done in this patch in a backwards-incompatible way, but at
this point in time it is ok to do so.

Then, we extend systemd's socket passing library to support socket naming, so
we can tell the different sockets apart. This is done via the
LISTEN_FDNAMES/FileDescriptorName mechanism.

And finally we make the server and connection types aware of the socket mode.
This commit is contained in:
Alberto Bertogli
2016-09-12 03:47:36 +01:00
parent 69222284e0
commit 941eb9315c
10 changed files with 171 additions and 91 deletions
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18
internal/config/config_test.go
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@@ -40,8 +40,12 @@ func TestEmptyConfig(t *testing.T) {
t.Errorf("max data size != 50: %d", c.MaxDataSizeMb)
}
if len(c.Address) != 1 || c.Address[0] != "systemd" {
t.Errorf("unexpected address default: %v", c.Address)
if len(c.SmtpAddress) != 1 || c.SmtpAddress[0] != "systemd" {
t.Errorf("unexpected address default: %v", c.SmtpAddress)
}
if len(c.SubmissionAddress) != 1 || c.SubmissionAddress[0] != "systemd" {
t.Errorf("unexpected address default: %v", c.SubmissionAddress)
}
if c.MonitoringAddress != "" {
@@ -53,8 +57,8 @@ func TestEmptyConfig(t *testing.T) {
func TestFullConfig(t *testing.T) {
confStr := `
hostname: "joust"
address: ":1234"
address: ":5678"
smtp_address: ":1234"
smtp_address: ":5678"
monitoring_address: ":1111"
max_data_size_mb: 26
`
@@ -75,9 +79,9 @@ func TestFullConfig(t *testing.T) {
t.Errorf("max data size != 26: %d", c.MaxDataSizeMb)
}
if len(c.Address) != 2 ||
c.Address[0] != ":1234" || c.Address[1] != ":5678" {
t.Errorf("different address: %v", c.Address)
if len(c.SmtpAddress) != 2 ||
c.SmtpAddress[0] != ":1234" || c.SmtpAddress[1] != ":5678" {
t.Errorf("different address: %v", c.SmtpAddress)
}
if c.MonitoringAddress != ":1111" {