173 lines
6.3 KiB
Groff
173 lines
6.3 KiB
Groff
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.\" Process this file with
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.\" groff -man -Tascii shttpd.1
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.\" $Id: shttpd.1,v 1.9 2008/02/13 21:57:27 drozd Exp $
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.Dd Feb 12, 2008
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.Dt SHTTPD 1
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.Sh NAME
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.Nm shttpd
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.Nd lightweight web server
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.Sh SYNOPSIS
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.Nm
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.Op Ar options
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.Op Ar config_file
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.Nm
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.Fl A Ar htpasswd_file domain_name user_name password
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.Sh DESCRIPTION
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.Nm
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is small, fast and easy to use web server with CGI, SSL, Digest Authorization
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support. It can be run as stand-alone server, be managed by
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.Xr inetd 8
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, or be embedded into existing C/C++ application.
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.Pp
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.Nm
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does not detach from terminal, and makes current working directory
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be the web root, unless
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.Fl root
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option is specified.
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.Pp
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Unlike other web servers,
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.Nm
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does not expect CGI scirpts to be put in a special directory. They may be
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anywhere. CGI files are recognized by the file extension.
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.Pp
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SSI files are also recognized by extension. Currently, the only SSI directives
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supported are `<!--#include "url-encoded-path" -->'
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and `<!--#exec "program" -->'. The `url-encoded-path' can be relative to
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.Nm
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working directory, or absolute system path. In the embedded mode, more
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directives are available: #call, #if/#elif/#endif/#else/#endif.
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Unsupported SSI directives are silently ignored.
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.Pp
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It is possible to specify multiple ports to listen on. For example, to
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make
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.Nm
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listen on HTTP port 80 and HTTPS port 443, one should start it as
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.Sq shttpd -ssl_cert cert.pem -ports 80,443s
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.Pp
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.Nm
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can use the configuration file. By default, it is "shttpd.conf", and if it
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is present in the same directory where
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.Nm
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lives, the command line options are read from it. Alternatively, the
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configuration file may be specified as a last argument. The format of the
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configuration file is exactly the same as for the command line options, the
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only difference is that the command line options must be specified on
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separate lines, and dashes for options must be omitted.
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Lines beginning with '#' are regarded as comments and ignored.
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.Pp
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.Sh OPTIONS
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.Bl -tag -width indent
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.It Fl A Ar htpasswd_file domain_name user_name password
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Add/edit user's password in the passwords file. Deleting users can be done
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with any text editor. Functionality similar to Apache's
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.Ic htdigest
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utility.
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.It Fl access_log Ar file
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Access log file. Default: not set, no logging is done.
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.It Fl acl Ar (+|-)x.x.x.x[/x],...
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Specify access control list (ACL). ACL is a comma separated list
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of IP subnets, each subnet is prepended by '-' or '+' sign. Plus means allow,
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minus means deny. If subnet mask is
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omitted, like "-1.2.3.4", then it means single IP address. Mask may vary
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from 0 to 32 inclusive. Default: not set, allow all.
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.It Fl aliases Ar list
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This options gives an ability to serve the directories outside web root
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by sort of symbolic linking to certain URI. The
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.Ar list
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must be comma-separated list of URI=PATH pairs, like this:
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"/etc/=/my_etc,/tmp=/my_tmp". Default: not set.
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.It Fl auth_PUT Ar file
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PUT and DELETE passwords file. This must be specified if PUT or
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DELETE methods are used. Default: not set.
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.It Fl auth_gpass Ar file
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Location of global passwords file. When set, per-directory .htpasswd files are
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ignored, and all accessed must be authorised against global passwords file.
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Default: not set.
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.It Fl auth_realm Ar domain_name
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Authorization realm. Default: "mydomain.com".
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.It Fl cfg_uri Ar uri
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If set,
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.Nm
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creates special administrative URI where options may be changed at runtime.
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This URI probably wants to be password-protected, look at
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.Fl protect
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option, and in the EXAMPLES section on how to do it. Default: not set.
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.It Fl cgi_env Ar list
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Pass environment variables to the CGI script in addition to standard ones.
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The list must be comma-separated list of X=Y pairs, like this:
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"VARIABLE1=VALUE1,VARIABLE2=VALUE2". Default: not set.
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.It Fl cgi_ext Ar list
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Comma-separated list of CGI extensions. All files having these extensions
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are treated as CGI scripts. Default: "cgi,pl,php"
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.It Fl cgi_interp Ar file
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Force
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.Ar file
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to be a CGI interpreter for all CGI scripts. By default this option is not
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set, and
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.Nm
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decides which interpreter to use by looking at the first line of CGI script.
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.It Fl dir_list Ar 0|1
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Enable/disable directory listing. Default: "1" (enabled).
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.It Fl error_log Ar file
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Error log file. Default: not set, no errors are logged.
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.It Fl inetd Ar 0|1
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Enable/disable inetd mode. Default: "0" (disabled).
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.It Fl mime_types Ar list
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Additional to builtin mime types, in form "EXTENSION1=TYPE1,EXTENSION2=TYPE2".
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.It Fl ports Ar port_list
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Comma-separated list of ports to listen on. If the port is SSL, a letter 's'
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must be appeneded, for example, "80,443s" will open port 80 and port 443,
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and connections on port 443 will be SSL-ed. Default: 80
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.It Fl protect Ar list
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Comma separated list of URI=PATH pairs, specifying that given URIs
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must the protected with respected password files. Default: not set.
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.It Fl root Ar directory
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Location of the WWW root directory. Default: working directory from which
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.Nm
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has been started.
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.It Fl ssi_ext Ar list
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Comma separated list of SSI extensions. Default: "shtml,shtm".
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.It Fl ssl_cert Ar pem_file
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Location of SSL certificate file. Default: not set.
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.It Fl uid Ar login
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Switch to given user after startup. Default: not set.
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.El
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.Pp
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.Sh EMBEDDING
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.Nm
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can be built as a library to embed web server functionality
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into C/C++ application. The API functions are declared in a header
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file
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.Pa shttpd.h .
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Please refer to the source package for a header file and the examples.
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.Pp
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.Sh EXAMPLES
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.Bl -tag -width indent
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.It Nm Fl root Ar /var/www Fl ports Ar 8080,8043s Fl ssl_cert Ar /etc/cert.pem Fl aliases Ar /aa=/tmp,/bb=/etc
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Start listening on port 8080 for HTTP, and 8043 for HTTPS connections.
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Use /etc/cert.pem as SSL certificate file. Web root is /var/www. In addition,
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map directory /tmp to URI /aa, directory /etc to URI /bb.
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.It Nm Fl acl Ar -0.0.0.0/0,+10.0.0.0/8,+1.2.3.4
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Deny connections from everywhere, allow only IP address 1.2.3.4 and
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all IP addresses from 10.0.0.0/8 subnet to connect.
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.It Nm Fl ports Ar 8080 Fl cfg_uri Ar /ctl Fl protect Ar /ctl=/tmp/passwords.txt
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Start listening on port 8080, create an administrative URI "/ctl" where
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options may be changed at runtime, and protect that URI with authorization.
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.It http stream tcp nowait nobody /bin/shttpd shttpd -inetd 1 -root /var/www
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This line in
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.Pa /etc/inetd.conf
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makes
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.Nm
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run by
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.Xr inetd 8
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daemon.
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.El
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.Pp
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.Sh SEE ALSO
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.Xr inetd 8 .
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.Sh COPYRIGHT
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.Nm
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is licensed under the terms of beerware license.
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.Sh AUTHOR
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.An Sergey Lyubka Aq valenok@gmail.com .
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