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.\" Copyright (c) 2020 Omar Polo <op@omarpolo.com>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.Dd $Mdocdate: October 2 2020$
.Dt GMIND 1
.Os
.Sh NAME
.Nm gmid
.Nd dead simple gemini server
.Sh SYNOPSIS
.Nm
.Bk -words
.Op Fl h
.Op Fl c Ar cert.pem
.Op Fl d Ar docs
.Op Fl k Ar key.pem
.Ek
.Sh DESCRIPTION
.Nm
is a very simple and minimal gemini server.
It only supports serving static content, and strive to be as simple as
possible.
.Pp
.Nm
will strip any sequence of
.Pa ../
or trailing
.Pa ..
in the requests made by clients, so it's impossible to serve content
outside the
.Pa docs
directory by mistake.
Furthermore, on OpenBSD,
.Xr pledge 3
and
.Xr unveil 3
are used to ensure that
.Nm
dosen't do anything else than read files from the given directory and
accept network connections.
.Pp
It should be noted that
.Nm
is very simple in its implementation, and so it may not be appropriate
for serving site with lots of users.
After all, the code is single threaded and use a single process.
.Pp
The options are as follows:
.Bl -tag -width 12m
.It Fl c Ar cert.pem
The certificate to use, by default is
.Pa cert.pem
.It Fl d Ar docs
The root directory to serve.
.Nm
won't serve any file that is outside that directory.
.It Fl h
Print the usage and exit
.It Fl k Ar key.pem
The key for the certificate, by default is
.Pa key.pem
.El
.Sh EXAMPLES
To quickly getting started
.Bd -literal -indent
$ # generate a cert and a key
$ openssl req -x509 -newkey rsa:4096 -keyout key.pem \\
        -out cert.pem -days 365 -nodes
$ mkdir docs
$ cat <<EOF > docs/index.gmi
# Hello world
test paragraph...
EOF
$ gmid -c cert.pem -k key.pem -d docs
.El
.Pp
now you can visit gemini://localhost/ with your preferred gemini client.
.Sh CAVEATS
.Bl -bullet
.It
it doesn't support virtual host: the host part of the request URL is
completely ignored.
.It
it doesn't fork in the background or anything like that.
.El