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CYRUS SASL

Cyrus SASL

  • Download
    • Get SASL
      • Installation
        • Quick install guide
        • Detailed installation guide
        • Supported platforms
    • Release Notes
      • Supported Product Series
        • Series 2.1
      • Older Versions
        • Series 2: 2.0
        • Series 1
    • Note for Packagers
  • Quickstart guide
    • Features
    • Typical Installation
    • Configuration
  • Concepts
    • SASL
    • SASL Authentication Mechanisms
    • Security Layers
    • Channel Binding
    • Realms
    • Protocols
    • Cyrus SASL
    • The Glue Library
    • Auxiliary Properties
    • Plugins
  • Setup
    • Installation
      • Quick install guide
        • Tarball installation
        • Unix package Installation
        • Configuration
      • Detailed installation guide
        • Requirements
        • Build Configuration
        • Building and Installation
        • Compilation Hints
        • Application Configuration
      • Supported platforms
    • Upgrading from v1 to v2
      • Backwards Compatibility
      • Coexistence with SASLv1
      • Database Upgrades
      • Errors on migration
    • Components
      • The Application
      • The SASL Glue Layer
      • Plugins
        • Plugins: General
        • Plugins: SASL Mechanisms
        • Plugins: Auxiliary Property
        • Plugins: Username Canonicalization
      • Password Verification Services
    • Options
      • SASL Library
      • Auxiliary Property Plugin
      • GSSAPI
      • LDAPDB
        • Notes on LDAPDB
        • Examples
      • NTLM
      • OTP
      • Digest-md5
      • SASLDB
        • Notes on sasldb with LMDB
      • SQL Plugin
        • Notes on SQL
        • Examples
      • SRP
      • Kerberos V4
    • Advanced Usage
      • Notes for Advanced Usage of libsasl
        • Using Cyrus SASL as a static library
  • Operations
    • System Administrators
      • What SASL is
        • Authentication and authorization identifiers
        • Realms
      • How SASL works
        • The PLAIN mechanism, sasl_checkpass(), and plaintext passwords
        • Shared secrets mechanisms
        • Kerberos mechanisms
        • The OTP mechanism
      • Auxiliary Properties
      • How to set configuration options
        • The default configuration file
        • Application configuration
      • Troubleshooting
    • Man pages
      • (3) Library Files
        • SASL - SASL Authentication Library
        • sasl_authorize_t - The SASL authorization callback
        • sasl_auxprop - How to work with SASL auxiliary properties
        • sasl_auxprop_add_plugin - add a SASL auxiliary property plugin
        • sasl_auxprop_getctx - Acquire an auxiliary property context
        • sasl_auxprop_request - Request auxiliary properties from SASL
        • sasl_callbacks - How to work with SASL callbacks
        • sasl_canon_user_t - Application-supplied user canonicalization function
        • sasl_canonuser_add_plugin - add a SASL user canonicalization plugin
        • sasl_chalprompt_t - Realm acquisition callback
        • sasl_checkapop - Check an APOP challenge/response
        • sasl_checkpass - Check a plaintext password
        • sasl_client_add_plugin - add a SASL client plugin
        • sasl_client_done - Cleanup function
        • sasl_client_init - SASL client authentication initialization
        • sasl_client_new - Create a new client authentication object
        • sasl_client_plug_init_t - client plug‐in entry point
        • sasl_client_start - Begin an authentication negotiation
        • sasl_client_step - Perform a step in the authentication negotiation
        • sasl_decode - Decode data received
        • sasl_decode64 - Decode base64 string
        • sasl_dispose - Dispose of a SASL connection object
        • sasl_done - Dispose of a SASL connection object
        • sasl_encode - Encode data for transport to authenticated host
        • sasl_encode64 - Encode base64 string
        • sasl_encodev - Encode data for transport to authenticated host
        • sasl_erasebuffer - erase buffer
        • sasl_errdetail - Retrieve detailed information about an error
        • sasl_errors - SASL error codes
        • sasl_errstring - Translate a SASL return code to a human-readable form
        • sasl_getcallback_t - callback function to lookup a sasl_callback_t for a connection
        • sasl_getconfpath_t - The SASL callback to indicate location of the config files
        • sasl_getopt_t - The SASL get option callback
        • sasl_getpath_t - The SASL callback to indicate location of the mechanism drivers
        • sasl_getprop - Get a SASL property
        • sasl_getrealm_t - Realm Acquisition Callback
        • sasl_getsecret_t - The SASL callback for secrets (passwords)
        • sasl_getsimple_t - The SASL callback for username/authname/realm
        • sasl_global_listmech - Retrieve a list of the supported SASL mechanisms
        • sasl_idle - Perform precalculations during an idle period
        • sasl_listmech - Retrieve a list of the supported SASL mechanisms
        • sasl_log_t - The SASL logging callback
        • sasl_server_add_plugin - add a SASL server plugin
        • sasl_server_done - Cleanup function
        • sasl_server_init - SASL server authentication initialization
        • sasl_server_new - Create a new server authentication object
        • sasl_server_plug_init_t - server plug‐in entry point
        • sasl_server_start - Begin an authentication negotiation
        • sasl_server_step - Perform a step in the authentication negotiation
        • sasl_server_userdb_checkpass_t - Plaintext Password Verification Callback
        • sasl_server_userdb_setpass_t - UserDB Plaintext Password Setting Callback
        • sasl_set_alloc - set the memory allocation functions used by the SASL library
        • sasl_set_mutex - set the mutex lock functions used by the SASL library
        • sasl_seterror - set the error string
        • sasl_setpass - Check a plaintext password
        • sasl_setprop - Set a SASL property
        • sasl_user_exists - Check if a user exists on server
        • sasl_usererr - Remove information leak about accounts from sasl error codes
        • sasl_utf8verify - Verify a string is valid utf8
        • sasl_verifyfile_t - The SASL file verification
    • Auxiliary Properties
      • Auxiliary Properties and the Glue Layer
      • Passwords and other Data
      • sasldb
      • ldapdb
      • sql
      • User Canonicalization
    • Authentication Mechanisms
      • Mechanisms
        • ANONYMOUS
        • CRAM-MD5
        • DIGEST-MD5
        • EXTERNAL
        • G2
        • GSSAPI
        • GSS-SPEGNO
        • KERBEROS_V4
        • LOGIN
        • NTLM
        • OTP
        • PASSDSS
        • PLAIN
        • SCRAM
        • SRP
        • Non-SASL Authentication
      • Summary
    • Pwcheck
      • Auxprop
      • Auxprop-hashed
      • Saslauthd
      • Authdaemon
      • Alwaystrue
      • Auto Transition
    • Frequently Asked Questions
      • What is the difference between an Authorization ID and a Authentication ID?
      • Why do CRAM-MD5 and DIGEST-MD5 not work with CyrusSaslauthd?
      • How do I configure OpenLDAP +SASL+GSSAPI?
      • Why does CyrusSasl store plaintext passwords in its databases?
      • RFCs and drafts
      • Why am I having a problem running dbconverter-2 to upgrade from SASLv1 to SASLv2?
    • Other Documentation & Resources
  • Developers
    • Converting Applications from v1 to v2
      • Tips for both clients and servers
      • Tips for clients
      • Tips for Servers
    • Application Programmer’s Guide
      • Introduction
        • About this Guide
        • What is SASL?
      • Background
        • How did the world work before SASL?
        • SASL to the rescue!
      • Briefly
        • What is the Cyrus SASL library good for?
        • What does the Cyrus SASL library do?
        • What doesn’t the Cyrus SASL library do?
      • Client-only Section
        • A typical interaction from the client’s perspective
        • How does this look in code
      • Server-only Section
        • A typical interaction from the server’s perspective
        • How does this look in code?
      • Common Section
        • Callbacks and Interactions
        • Security layers
      • Example applications that come with the Cyrus SASL library
        • sample-client and sample-server
        • Cyrus imapd v2.1.0 or later
        • imtest, from Cyrus 2.1.0 or later
      • Miscellaneous Information
        • Empty exchanges
        • Idle
    • Plugin Programmer’s Guide
      • Introduction
        • About this Guide
        • What is SASL?
      • Common Section
        • Overview of Plugin Programming
        • Use of sasl_utils_t
        • Error Reporting
        • Memory Allocation
        • Client Send First / Server Send Last
      • Client Plugins
      • Server Plugins
      • User Canonicalization (canon_user) Plugins
      • Auxiliary Property (auxprop) Plugins
    • Testing
      • Testing the CMU SASL Library with the included sample applications
        • Example
      • Running the Testsuite application
  • Support/Community

IMAP

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Cyrus SASL
  • Docs v2.1.27 »
  • Operations »
  • Other Documentation & Resources
  • Edit on GitHub

Other Documentation & Resources¶

  • Using SASL: Pluggable Security
  • Using SASL: CMU’s Cyrus SASL Library
  • Information on SASL mechanisms, profiles, servers and clients implementing SASL
  • FAQ from Sendmail
  • The Secure Remote Password Protocol paper by Thomas Wu
  • TCL extensions for SASL
  • The NTLM Authentication Protocol (NTLM)
  • Common Internet File System (CIFS) Technical Reference (SMB/NTLM)
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