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126 lines
3.4 KiB
126 lines
3.4 KiB
Modular design
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==============
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[ ] Authentication and authorization
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[ ] SQLite3
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[ ] MySQL
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[ ] PostgreSQL
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[ ] LDAP
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[ ] Roster storage
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[ ] SQLite3
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[ ] MySQL
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[ ] PostgreSQL
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[ ] LDAP?
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[ ] Group chat
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[ ] File sending
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[ ] Server-side chat logging
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[ ] GnuTLS
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[X] gLib
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[ ] gNet
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Hooks
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=====
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[ ] c2s-message
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[ ] s2c-message
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[ ] s2s-message
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[ ] client-authentication
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[ ] client-authorization
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[ ] client-presence-change
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Configuration file
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==================
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[X] Global logging
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[X] Modules
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[X] Module directory
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[X] Modules to load on startup
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[X] Interface
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[X] IP
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[X] Port
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[X] Domain
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[-] Certificate file
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[-] Key file
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[X] Logging
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[X] Log destination: syslog, file
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[X] Log options: connection events, etc.
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Code flow
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=========
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[X] Command line processing (Command line option can override the place of the
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configuration file)
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[X] Configuration file processing (Command line options override configuration
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global values like modules directory, log destination)
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[ ] Create logger thread
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[ ] Start logging according to configuration
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[ ] Load modules
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[ ] Load module file
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[ ] Run initialization function to...
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[ ] Register extensions
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[ ] Create special interfaces
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[ ] Register to hooks
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[ ] Create interfaces
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[ ] Create listener thread and sockets
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[ ] Create stream processing threads
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[ ] Associate stream processing threads with sockets
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[ ] Assign extensions to stream processing threads
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[ ] Process extension configuration directives
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[ ] Start socket thread
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When new connection arrives
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[ ] Create peer object
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[ ] Associate with corresponding stream interface
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[ ] Run main loop
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[ ] Socket thread
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[ ] New connections
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[ ] Run "before-accept" hook
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[ ] Create client object unless connection is dropped in
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"before-accept"
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[ ] Run "after-accept" hooks
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[ ] Install "always-install" extensions on client
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[ ] Wait for remote XML Stream to start
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[ ] Assign client to correct interface
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[ ] Old connections
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[ ] Run "layer-accept" hooks
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[ ] Run "before-interface" hooks
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[ ] Pass to assigned interface
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[ ] Run "after-interface" hooks
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[ ] Logging thread
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[ ] Process received lines one by one. Errors first, info next, debug
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last
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[ ] Interface threads
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[ ] Receive data from socket thread
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[ ] Run "before-process" hooks
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[ ] Process stream
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[ ] Run "after-process" hooks
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[ ] Run "before-send" hooks
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[ ] Send packet to destination if packet is finished
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[ ] Run "after-send" hooks
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During the connection additional extensions can be installed on the client,
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like the layer-tls module's TLS encryptions extension.
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Authentication
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==============
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When a client requests authentication, client credentials get through the
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authentication module(s) associated with the interface. This authentication
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module must always check the jid via an user storage module, and if necessary,
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it should get the password (or any other credentials like a X509 certificate's
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Common Name field, or a Kerberos principal name) from this storage module,
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either.
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Additional modules to provide
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=============================
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[ ] user-mysql
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[ ] roster-mysql
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[ ] user-postgresql
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[ ] roster-postgresql
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[ ] user-ldap
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[ ] roster-ldap?
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[ ] auth-cyrus-sasl
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[ ] log-c2c
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[ ] conn-blackwhite-list
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Create a well defined module programming API!
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