Fast FTP server with painless setup for sharing files
C++
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lib
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AUTHORS
COPYING
COPYING.OpenSSL
COPYING.teepeedee
ChangeLog
INSTALL
Makefile.am
NEWS
README
TODO
bootstrap
configure.in
teepeedee-share.1
teepeedee.1

README

QuickStart:
====

Once installed (./configure && make && make install) use the Python
script
	teepeedee-share
to share the current directory automatically with FTP and HTTP


Description
====

teepeedee is a small, hopefully scalable, single-threaded file
server. It can serve or receive multiple files over http, https and
ftp simultaneously, listening on any number of ports and providing
entirely different views of the filesystem to different users. It uses
sendfile and is written in C++.

The license is laid out in the file COPYING.teepeedee.

teepeedee certainly used to run on FreeBSD i586 4.7-STABLE, Linux i686
2.4.20 with glibc 2.3, Debian i686 Woody (20021220), Debian PPC
Unstable (20021220).

You may like to increase the rlimit'd number of open file descriptors
to allow teepeedee to have more connnections (in the Bourne shell,
ulimit -n).

It is a very untested at the moment. Please report problems to the
author, John Fremlin <john@fremlin.de>!

Teepeedee can be found at http://john.fremlin.de/programs/teepeedee


WARNING
==

Do not run with elevated privileges! While hypothetically there should
be no problems with running teepeedee as root, you would have to be
more nuts than raisins to do it.

teepeedee does not check for symlinks. It is important that
directories under users' home directories not be writable by untrusted
agents as otherwise users could symlinkrace teepeedee and e.g. get it
to overwrite any file owned by the teepeedee running user.


Security
==

UPLOADED FILES ARE CREATED GROUP WRITABLE!

teepeedee will only allow files or directories to be read that are
world readable, and will only allow files or directories to be
modified if they are owned by the teepeedee process's user and group,
and are user and group writable. A file or directory's parents ARE NOT
CHECKED FOR ACCESS PERMISSIONS.


Signals
==

SIGTERM, SIGINT - cleanly shut teepeedee down

SIGUSR1 - write out pending configuration information, and clear
configuration cache


Configuration
==

By default teepeedee takes /etc/teepeedee as its configuration
root. You can change this with ./configure --enable-configdir=dir. If
present the first command line argument given to teepeedee overrides
the configuration root.

Under the configuration root, there should be a number of lowercase
directories named after protocols, e.g. "ftp" or "http". Inside them should
be directories defining servers.

For an example use the teepeedee-share program to create a base
configuration.


Root configuration structure
==

Under the main configuration directory each configurable item is
stored in a single file so it is more a config tree than a config
file.  In the main configuration directory (by default compile time
configured to /etc/teepeedee or first command line argument) there are
directories defining server classes. These are the recognised server
classes: http, https, ftp. Inside each server class directory there
can be an unlimited number of server configuration directories.

For example you could have a layout like this
	/etc/teepeedee/https/secret-server/
	/etc/teepeedee/https/intranet-server/
	/etc/teepeedee/ftp/downloads/
	/etc/teepeedee/http/important-website/


Generic server configuration
==

All server configuration directories can contain the following files
and directories. All files are optional unless marked (required). Some
files are written to, these are marked (written).

bind_port - (required) contains port number to listen on as an ASCII
	decimal (e.g. 8080)

bind_addr - IP address to listen on, in dotted quad format (e.g. 127.0.0.1)

timeout_prelogin - number of seconds of inactivity before closing the
connection before the user is authenticated (logging in anonymously
counts as authenticating)

timeout_postlogin - number of seconds of inactivity before closing the
connection after the user is authenticated

timeout_xfer - number of seconds of inactivity before closing a file
transfer or directory listing

unauthenticated_connections - (written) the number of unauthenticated
connections active

unauthenticated_connections_max - maximum number of connections in a
pre-authentication state

users/ - Users directory (described below)


SSL server configuration
==

To function an SSL server needs the following files

public_cert - public certificate in PEM format

private_key - private key in PEM format


HTTP(S) server configuration
==

HTTP and HTTPS server directories can contain the following additional
configuration items. See the information for generic SSL servers to set
the keys for HTTPS.

canonical_server_name - the official name of the server that will be
used in HTTP redirections. For example, it could contain the line
www.example.com

realm - HTTP authentication realm. If the realm is "Private members
area". Browsers will say, Enter username and password for "Private
members area".

default-user/ - User directory if the user supplies incorrect or no
authentication (described below)


FTP server configuration
==

If you specify keys (as described in the information for generic SSL
servers) the FTP server will do AUTH TLS control connection
encryption. If you want to allow anonymous logins, create users "ftp"
and "anonymous" with any_password_ok.

passive_port_min - lowest port that the server will listen on for
passive connections

passive_port_max - highest port that the server will listen on for
passive connections

greeting - multiline welcome banner

no_passive_mode - if this file exists the server will refuse a request
to enter passive mode (where the client connects to another port on
the server for the data transfer)

no_port_mode - if this file exists the server will refuse to enter
active mode (where the server connects to a port on the client for the
data transfer)


Users directory
==

The users/ directory in each server's configuration contains a
directory per user. The name of the directory is the username.


User directories
==

Each user directory can contain the following files and directories

homedir/ - root of the filesystem as visible to the user though
symlinks will be followed

password_plain - the user's password in plain text format

password - the user's crypt(3)ed password

any_password_ok - if this file exists the user may login without a
password (HTTP) or with any password (FTP)

logins - (written) contains the number of times the user is currently
logged in, e.g. 10

logins_max - maximum number of times the user can be logged in,
e.g. 5

upload_ratio - floating point number as an ASCII string,
e.g. 5.00. For every byte uploaded, allows user to exceed the maximum
downloaded bytes by this number of bytes.

download_bytes - (written) number of bytes downloaded, e.g. 1023423

download_bytes_max - approximate maximum number of bytes a user may
download (may be extended with if upload_ratio is set). 0 means unlimited

upload_bytes - (written) number of bytes uploaded

upload_bytes_max - approximate number of bytes a user may upload

msg_welcome - this message will be displayed to the user after login