.\"
.\" Copyright (c) 2021 Matthias Schmidt
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.Dd August 25, 2021
.Dt TWIND 8
.Os
.Sh NAME
.Nm twind
.Nd Simple gemini server
.Sh SYNOPSIS
.Nm twind
.Op Fl dfV
.Op Fl p Ar port
.Sh DESCRIPTION
.Nm
is a simple daemon serving static files over the gemini protocol.
It is intended to have as few knobs as possible and has no support for
a configuration file.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d
Enable debug log messages.
Most useful together with
.Fl f .
.It Fl f
Do not daemonize.
If this option is specified,
.Nm
will run in the foreground and log to
.Em stderr .
.It Fl p Ar port
Listen on Port
.Ar port
instead of the default 1965.
.It Fl V
Display the version and exit.
.El
.Pp
.Nm
listens on the any address (:: and 0.0.0.0) for both IPv4 and IPv6.
.Pp
.Nm
has support for virtual hosts by default.
To serve files for a specific host you have to place them in a sub directory
named after the domain under
.Pa /var/twind .
.Pp
.Nm
starts as root and then drops privileges to a dedicated
_twind user.
By default, two sub-processes are started jailing themselves with
.Xr chroot 8
to
.Pa /var/twind .
.Sh FILES
The following path cannot be changed, i.e. you have to name your
TLS certificate and key file exactly as shown.
.Pp
.Bl -tag -width Ds -compact
.It Pa /etc/twind/twind.cert.pem
TLS certificate for
.Nm
.It Pa /etc/twind/twind.key.pem
Private key for the certificate mentioned above.
.It Pa /var/twind/
Default location for the gemini (gmi) files.
Contains one sub directory for each virtual host.
.It Pa /var/twind/example.com/
Subdirectory containing gemini files for the
.Em example.com
host.
.It Pa /var/twind/logs/
Subdirectory containing access and error logs.
.El
.Sh EXIT STATUS
.Nm
normally exists with 0 or with -1 if an error occurred.
.Sh AUTHORS
.Nm
was written by
.An Matthias Schmidt Aq Mt xhr@giessen.ccc.de .