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Cyrus SASL

Cyrus SASL

Welcome to Cyrus SASL.

What is Cyrus SASL?

Simple Authentication and Security Layer (SASL) is a specification that describes how authentication mechanisms can be plugged into an application protocol on the wire. Cyrus SASL is an implementation of SASL that makes it easy for application developers to integrate authentication mechanisms into their application in a generic way.

The latest stable version of Cyrus SASL is 2.1.28.

Cyrus IMAP uses Cyrus SASL to provide authentication support to the mail server, however it is just one project using Cyrus SASL.

Features

Cyrus SASL provides a number of authentication plugins out of the box.

Berkeley DB, GDBM, or NDBM (sasldb), PAM, MySQL, PostgreSQL, SQLite, LDAP, Active Directory (LDAP), DCE, Kerberos 4 and 5, proxied IMAP auth, getpwent, shadow, SIA, Courier Authdaemon, httpform, APOP and SASL mechanisms: ANONYMOUS, CRAM-MD5, DIGEST-MD5, EXTERNAL, GSSAPI, LOGIN, NTLM, OTP, PASSDSS, PLAIN, SCRAM, SRP

This document is an introduction to Cyrus SASL. It is not intended to be an exhaustive reference for the SASL Application Programming Interface (API), which is detailed in the SASL manual pages, and the libsasl.h header file.

Known Bugs

libtool doesn’t always link libraries together. In our environment, we only have static Krb5 libraries; the GSSAPI plugin should link these libraries in on platforms that support it (Solaris and Linux among them) but it does not. It also doesn’t always get the runpath of libraries correct.

Cyrus SASL

IMAP

PK4]AUTHORSnu[Rob Siemborski wrote and tested the conversion to the SASLv2 API. Ken Murchison worked on the OTP, NTLM, SRP and SQL plugins, as well as helping to track down bugs as they appear. He also added support for HTTP authentication. Rob Earhart wrote the build/installation procedure, wrote and tested some of the code, and provided general guidance and coding advice. Leif Johansson wrote the GSSAPI plugin, with contributions from Sam Hartman . Leandro Santi added Courier authdaemon support. Alexey Melnikov wrote the first pass of the DIGEST-MD5 and SCRAM plugins and continues to work on them. He also wrote a good deal of the current Windows support. Rainer Schoepf contributed the LOGIN plugin, based on Tim Martin's PLAIN plugin. Simon Loader wrote the MySQL auxprop module. Rolf Braun wrote the MacOS ports. Howard Chu put a good deal of work into OS/390 portability, correct building of static libraries, and a slew of misc. bugfixes. Tim Martin wrote, debugged, and tested most of the SASLv1 code. Larry Greenfield complained. a lot. Chris Newman wrote the initial version of the SASL API, as well as the version 2 SASL API (documented in sasl.h, saslutil.h, saslplug.h, and prop.h). Ryan Troll started the Windows port, and both Larry Greenfield and Alexey Melnikov have done more work on it. getaddrinfo.c was written by Hajimu UMEMOTO which is based on the IPv6 code written by KIKUCHI Takahiro Igor Brezac has done a good deal of work on the saslauthd LDAP module. Jeremy Rumpf implemented the credential cache, unified the different IPC methods under a common framework. Fabian Knittel wrote auth_pam plugin, based on Debian's pwcheck_pam daemon by Michael-John Turner . saslauthd was originally contributed by Lyndon Nerenberg on behalf of MessagingDirect Ltd. PK4] search.htmlnu[ Search — Cyrus SASL 2.1.28 documentation
PK4] support.htmlnu[ Support/Community — Cyrus SASL 2.1.28 documentation

Support/Community

Please read our support and bug reporting guidelines in the Cyrus IMAP project.

PK4]# download.htmlnu[ Download — Cyrus SASL 2.1.28 documentation
PK4]Ps genindex.htmlnu[ Index — Cyrus SASL 2.1.28 documentation

Index

Symbols | A | C | K | L | M | N | O | P | R | S

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PK4]developer.htmlnu[ Developers — Cyrus SASL 2.1.28 documentation
PK4] packager.htmlnu[ Note for Packagers — Cyrus SASL 2.1.28 documentation

Note for Packagers

People considering doing binary distributions that include saslauthd should be aware that the code is covered by several slightly different (but compatible) licenses, due to how it was contributed. Details can be found within the source code.

PK4]z} getsasl.htmlnu[ Get SASL — Cyrus SASL 2.1.28 documentation
PK4]#dǹǹ setup.htmlnu[ Setup — Cyrus SASL 2.1.28 documentation
PK4]Z ttoperations.htmlnu[ Operations — Cyrus SASL 2.1.28 documentation

Operations

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