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70 lines
2.4 KiB
Text
70 lines
2.4 KiB
Text
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Extended UID command proposal
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Jilles Tjoelker <jilles@stack.nl>
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Introduction
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------------
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The current protocol to deal with real and visible hosts, with UID, ENCAP
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REALHOST and ENCAP CHGHOST commands has several problems.
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In some cases (MONITOR) real hosts are used inappropriately because the UID
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command contains the real host for new users. In other cases (atheme
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akills), the visible host is used inappropriately because the UID command
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contains the visible host for burst users. In both cases nothing is sent
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after the UID command if real and visible hosts are equal. In the latter
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case this problem can be worked around with end-of-burst detection but in
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the former case that is not possible.
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This can be fixed by sending both real and visible host in the same command.
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This command can also include the data that is currently sent with ENCAP
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LOGIN.
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Another problem is that CHGHOST is an ENCAP command although it is important
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for synchronization. One of the problems is that the target often remains
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a UID even if sent to a TS5 server (various old services packages).
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This can be fixed by making it a regular command.
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Current commands
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----------------
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(TS6 form only)
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:<SID> UID <NICK> <HOPS> <TS> +<UMODE> <USERNAME> <HOSTNAME> <IP> <UID> :<GECOS>
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Introduces a user, see Lee Hardy's ts6.txt.
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:<UID> ENCAP * REALHOST <REALHOST>
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Sets the real host of a user (the hostname in UID is the visible host).
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:<SID> ENCAP * CHGHOST <UID> <VHOST>
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Sets/changes the visible host of a user (the hostname in UID is the real host).
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:<UID> ENCAP * LOGIN <ACCOUNT>
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Sets the login name of a user.
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New commands
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------------
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:<SID> EUID <NICK> <HOPS> <TS> +<UMODE> <USERNAME> <VHOST> <IP> <UID> <REALHOST> <ACCOUNT> :<GECOS>
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Introduces a user. The hostname field is now always the visible host.
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The realhost field is * if the real host is equal to the visible host.
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The account field is * if the login is not set.
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Note that even if both new fields are *, an EUID command still carries more
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information than a UID command (namely that real host is visible host and the
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user is not logged in with services). Hence a NICK or UID command received
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from a remote server should not be sent in EUID form to other servers.
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:<SID> CHGHOST <UID> <VHOST>
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Changes the visible host of a user.
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A new server capab named EUID will be sent if these commands are supported.
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If the capab is not present, the old commands must be used.
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EUID can (in principle) also be used with TS5.
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