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6019ed1e29
These commands search the registered nicknames/channels for ones matching the provided regex, or return the entire list. Only operators with chanreg (for ChanServ) or accreg (for NickServ) capabilities can use LIST.
1154 lines
39 KiB
Go
1154 lines
39 KiB
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
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// released under the MIT license
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package irc
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/goshuirc/irc-go/ircfmt"
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"github.com/oragono/oragono/irc/modes"
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"github.com/oragono/oragono/irc/passwd"
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"github.com/oragono/oragono/irc/sno"
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"github.com/oragono/oragono/irc/utils"
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)
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// "enabled" callbacks for specific nickserv commands
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func servCmdRequiresAccreg(config *Config) bool {
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return config.Accounts.Registration.Enabled
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}
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func servCmdRequiresAuthEnabled(config *Config) bool {
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return config.Accounts.AuthenticationEnabled
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}
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func servCmdRequiresNickRes(config *Config) bool {
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return config.Accounts.AuthenticationEnabled && config.Accounts.NickReservation.Enabled
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}
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func servCmdRequiresBouncerEnabled(config *Config) bool {
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return config.Accounts.Multiclient.Enabled
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}
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const (
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nsPrefix = "NickServ!NickServ@localhost"
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// ZNC's nickserv module will not detect this unless it is:
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// 1. sent with prefix `nickserv`
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// 2. contains the string "identify"
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// 3. contains at least one of several other magic strings ("msg" works)
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nsTimeoutNotice = `This nickname is reserved. Please login within %v (using $b/msg NickServ IDENTIFY <password>$b or SASL), or switch to a different nickname.`
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)
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const nickservHelp = `NickServ lets you register, log in to, and manage an account.`
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var (
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nickservCommands = map[string]*serviceCommand{
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"drop": {
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handler: nsDropHandler,
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help: `Syntax: $bDROP [nickname]$b
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DROP de-links the given (or your current) nickname from your user account.`,
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helpShort: `$bDROP$b de-links your current (or the given) nickname from your user account.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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},
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"enforce": {
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hidden: true,
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handler: nsEnforceHandler,
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help: `Syntax: $bENFORCE [method]$b
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ENFORCE is an alias for $bGET enforce$b and $bSET enforce$b. See the help
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entry for $bSET$b for more information.`,
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authRequired: true,
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enabled: servCmdRequiresNickRes,
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},
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"ghost": {
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handler: nsGhostHandler,
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help: `Syntax: $bGHOST <nickname>$b
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GHOST disconnects the given user from the network if they're logged in with the
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same user account, letting you reclaim your nickname.`,
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helpShort: `$bGHOST$b reclaims your nickname.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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minParams: 1,
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},
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"group": {
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handler: nsGroupHandler,
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help: `Syntax: $bGROUP$b
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GROUP links your current nickname with your logged-in account, so other people
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will not be able to use it.`,
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helpShort: `$bGROUP$b links your current nickname to your user account.`,
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enabled: servCmdRequiresNickRes,
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authRequired: true,
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},
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"identify": {
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handler: nsIdentifyHandler,
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help: `Syntax: $bIDENTIFY <username> [password]$b
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IDENTIFY lets you login to the given username using either password auth, or
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certfp (your client certificate) if a password is not given.`,
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helpShort: `$bIDENTIFY$b lets you login to your account.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"list": {
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handler: nsListHandler,
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help: `Syntax: $bLIST [regex]$b
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LIST returns the list of registered nicknames, which match the given regex.
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If no regex is provided, all registered nicknames are returned.`,
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helpShort: `$bLIST$b searches the list of registered nicknames.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 0,
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},
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"info": {
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handler: nsInfoHandler,
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help: `Syntax: $bINFO [username]$b
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INFO gives you information about the given (or your own) user account.`,
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helpShort: `$bINFO$b gives you information on a user account.`,
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},
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"register": {
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handler: nsRegisterHandler,
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// TODO: "email" is an oversimplification here; it's actually any callback, e.g.,
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// person@example.com, mailto:person@example.com, tel:16505551234.
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help: `Syntax: $bREGISTER <password> [email]$b
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REGISTER lets you register your current nickname as a user account. If the
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server allows anonymous registration, you can omit the e-mail address.
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If you are currently logged in with a TLS client certificate and wish to use
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it instead of a password to log in, send * as the password.`,
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helpShort: `$bREGISTER$b lets you register a user account.`,
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enabled: servCmdRequiresAccreg,
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minParams: 1,
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maxParams: 2,
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},
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"sadrop": {
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handler: nsDropHandler,
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help: `Syntax: $bSADROP <nickname>$b
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SADROP forcibly de-links the given nickname from the attached user account.`,
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helpShort: `$bSADROP$b forcibly de-links the given nickname from its user account.`,
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capabs: []string{"accreg"},
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enabled: servCmdRequiresNickRes,
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minParams: 1,
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},
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"saregister": {
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handler: nsSaregisterHandler,
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help: `Syntax: $bSAREGISTER <username> [password]$b
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SAREGISTER registers an account on someone else's behalf.
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This is for use in configurations that require SASL for all connections;
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an administrator can set use this command to set up user accounts.`,
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helpShort: `$bSAREGISTER$b registers an account on someone else's behalf.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 1,
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},
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"sessions": {
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handler: nsSessionsHandler,
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help: `Syntax: $bSESSIONS [nickname]$b
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SESSIONS lists information about the sessions currently attached, via
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the server's multiclient functionality, to your nickname. An administrator
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can use this command to list another user's sessions.`,
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helpShort: `$bSESSIONS$b lists the sessions attached to a nickname.`,
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enabled: servCmdRequiresBouncerEnabled,
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},
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"unregister": {
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handler: nsUnregisterHandler,
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help: `Syntax: $bUNREGISTER <username> [code]$b
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UNREGISTER lets you delete your user account (or someone else's, if you're an
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IRC operator with the correct permissions). To prevent accidental
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unregistrations, a verification code is required; invoking the command without
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a code will display the necessary code.`,
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helpShort: `$bUNREGISTER$b lets you delete your user account.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"erase": {
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handler: nsUnregisterHandler,
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help: `Syntax: $bERASE <username> [code]$b
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ERASE deletes all records of an account, allowing it to be re-registered.
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This should be used with caution, because it violates an expectation that
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account names are permanent identifiers. Typically, UNREGISTER should be
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used instead. A confirmation code is required; invoking the command
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without a code will display the necessary code.`,
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helpShort: `$bERASE$b erases all records of an account, allowing reuse.`,
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enabled: servCmdRequiresAuthEnabled,
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capabs: []string{"accreg"},
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minParams: 1,
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},
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"verify": {
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handler: nsVerifyHandler,
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help: `Syntax: $bVERIFY <username> <code>$b
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VERIFY lets you complete an account registration, if the server requires email
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or other verification.`,
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helpShort: `$bVERIFY$b lets you complete account registration.`,
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enabled: servCmdRequiresAccreg,
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minParams: 2,
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},
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"passwd": {
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handler: nsPasswdHandler,
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help: `Syntax: $bPASSWD <current> <new> <new_again>$b
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Or: $bPASSWD <username> <new>$b
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PASSWD lets you change your account password. You must supply your current
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password and confirm the new one by typing it twice. If you're an IRC operator
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with the correct permissions, you can use PASSWD to reset someone else's
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password by supplying their username and then the desired password. To
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indicate an empty password, use * instead.`,
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helpShort: `$bPASSWD$b lets you change your password.`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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},
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"get": {
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handler: nsGetHandler,
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help: `Syntax: $bGET <setting>$b
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GET queries the current values of your account settings. For more information
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on the settings and their possible values, see HELP SET.`,
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helpShort: `$bGET$b queries the current values of your account settings`,
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authRequired: true,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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"saget": {
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handler: nsGetHandler,
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help: `Syntax: $bSAGET <account> <setting>$b
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SAGET queries the values of someone else's account settings. For more
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information on the settings and their possible values, see HELP SET.`,
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helpShort: `$bSAGET$b queries the current values of another user's account settings`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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capabs: []string{"accreg"},
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},
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"set": {
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handler: nsSetHandler,
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helpShort: `$bSET$b modifies your account settings`,
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// these are broken out as separate strings so they can be translated separately
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helpStrings: []string{
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`Syntax $bSET <setting> <value>$b
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SET modifies your account settings. The following settings are available:`,
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`$bENFORCE$b
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'enforce' lets you specify a custom enforcement mechanism for your registered
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nicknames. Your options are:
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1. 'none' [no enforcement, overriding the server default]
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2. 'timeout' [anyone using the nick must authenticate before a deadline,
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or else they will be renamed]
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3. 'strict' [you must already be authenticated to use the nick]
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4. 'default' [use the server default]`,
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`$bMULTICLIENT$b
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If 'multiclient' is enabled and you are already logged in and using a nick, a
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second client of yours that authenticates with SASL and requests the same nick
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is allowed to attach to the nick as well (this is comparable to the behavior
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of IRC "bouncers" like ZNC). Your options are 'on' (allow this behavior),
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'off' (disallow it), and 'default' (use the server default value).`,
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`$bAUTOREPLAY-LINES$b
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'autoreplay-lines' controls the number of lines of channel history that will
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be replayed to you automatically when joining a channel. Your options are any
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positive number, 0 to disable the feature, and 'default' to use the server
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default.`,
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`$bREPLAY-JOINS$b
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'replay-joins' controls whether replayed channel history will include
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lines for join and part. This provides more information about the context of
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messages, but may be spammy. Your options are 'always', 'never', and the default
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of 'commands-only' (the messages will be replayed in /HISTORY output, but not
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during autoreplay).`,
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`$bALWAYS-ON$b
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'always-on' controls whether your nickname/identity will remain active
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even while you are disconnected from the server. Your options are 'true',
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'false', and 'default' (use the server default value).`,
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`$bAUTOREPLAY-MISSED$b
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'autoreplay-missed' is only effective for always-on clients. If enabled,
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if you have at most one active session, the server will remember the time
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you disconnect and then replay missed messages to you when you reconnect.
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Your options are 'on' and 'off'.`,
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`$bDM-HISTORY$b
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'dm-history' is only effective for always-on clients. It lets you control
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how the history of your direct messages is stored. Your options are:
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1. 'off' [no history]
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2. 'ephemeral' [a limited amount of temporary history, not stored on disk]
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3. 'on' [history stored in a permanent database, if available]
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4. 'default' [use the server default]`,
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},
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authRequired: true,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 2,
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},
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"saset": {
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handler: nsSetHandler,
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help: `Syntax: $bSASET <account> <setting> <value>$b
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SASET modifies the values of someone else's account settings. For more
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information on the settings and their possible values, see HELP SET.`,
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helpShort: `$bSASET$b modifies another user's account settings`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 3,
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capabs: []string{"accreg"},
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},
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"cert": {
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handler: nsCertHandler,
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help: `Syntax: $bCERT <LIST | ADD | DEL> [account] [certfp]$b
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CERT examines or modifies the TLS certificate fingerprints that can be used to
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log into an account. Specifically, $bCERT LIST$b lists the authorized
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fingerprints, $bCERT ADD <fingerprint>$b adds a new fingerprint, and
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$bCERT DEL <fingerprint>$b removes a fingerprint. If you're an IRC operator
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with the correct permissions, you can act on another user's account, for
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example with $bCERT ADD <account> <fingerprint>$b.`,
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helpShort: `$bCERT$b controls a user account's certificate fingerprints`,
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enabled: servCmdRequiresAuthEnabled,
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minParams: 1,
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},
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}
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)
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// nsNotice sends the client a notice from NickServ
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func nsNotice(rb *ResponseBuffer, text string) {
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// XXX i can't figure out how to use OragonoServices[servicename].prefix here
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// without creating a compile-time initialization loop
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rb.Add(nil, nsPrefix, "NOTICE", rb.target.Nick(), text)
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}
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func nsGetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
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var account string
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if command == "saget" {
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account = params[0]
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params = params[1:]
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} else {
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account = client.Account()
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}
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accountData, err := server.accounts.LoadAccount(account)
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if err == errAccountDoesNotExist {
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nsNotice(rb, client.t("No such account"))
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return
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} else if err != nil {
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nsNotice(rb, client.t("Error loading account data"))
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return
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}
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displaySetting(params[0], accountData.Settings, client, rb)
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}
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func displaySetting(settingName string, settings AccountSettings, client *Client, rb *ResponseBuffer) {
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config := client.server.Config()
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switch strings.ToLower(settingName) {
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case "enforce":
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storedValue := settings.NickEnforcement
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serializedStoredValue := nickReservationToString(storedValue)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored nickname enforcement setting is: %s"), serializedStoredValue))
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serializedActualValue := nickReservationToString(configuredEnforcementMethod(config, storedValue))
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nsNotice(rb, fmt.Sprintf(client.t("Given current server settings, your nickname is enforced with: %s"), serializedActualValue))
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case "autoreplay-lines":
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if settings.AutoreplayLines == nil {
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nsNotice(rb, fmt.Sprintf(client.t("You will receive the server default of %d lines of autoreplayed history"), config.History.AutoreplayOnJoin))
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} else {
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nsNotice(rb, fmt.Sprintf(client.t("You will receive %d lines of autoreplayed history"), *settings.AutoreplayLines))
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}
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case "replay-joins":
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switch settings.ReplayJoins {
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case ReplayJoinsCommandsOnly:
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nsNotice(rb, client.t("You will see JOINs and PARTs in /HISTORY output, but not in autoreplay"))
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case ReplayJoinsAlways:
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nsNotice(rb, client.t("You will see JOINs and PARTs in /HISTORY output and in autoreplay"))
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case ReplayJoinsNever:
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nsNotice(rb, client.t("You will not see JOINs and PARTs in /HISTORY output or in autoreplay"))
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}
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case "multiclient":
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if !config.Accounts.Multiclient.Enabled {
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nsNotice(rb, client.t("This feature has been disabled by the server administrators"))
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} else {
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switch settings.AllowBouncer {
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case MulticlientAllowedServerDefault:
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if config.Accounts.Multiclient.AllowedByDefault {
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nsNotice(rb, client.t("Multiclient functionality is currently enabled for your account, but you can opt out"))
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} else {
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nsNotice(rb, client.t("Multiclient functionality is currently disabled for your account, but you can opt in"))
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}
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case MulticlientDisallowedByUser:
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nsNotice(rb, client.t("Multiclient functionality is currently disabled for your account"))
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case MulticlientAllowedByUser:
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nsNotice(rb, client.t("Multiclient functionality is currently enabled for your account"))
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}
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}
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case "always-on":
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stored := settings.AlwaysOn
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actual := persistenceEnabled(config.Accounts.Multiclient.AlwaysOn, stored)
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nsNotice(rb, fmt.Sprintf(client.t("Your stored always-on setting is: %s"), persistentStatusToString(stored)))
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if actual {
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nsNotice(rb, client.t("Given current server settings, your client is always-on"))
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} else {
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nsNotice(rb, client.t("Given current server settings, your client is not always-on"))
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}
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case "autoreplay-missed":
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stored := settings.AutoreplayMissed
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if stored {
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alwaysOn := persistenceEnabled(config.Accounts.Multiclient.AlwaysOn, settings.AlwaysOn)
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if alwaysOn {
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nsNotice(rb, client.t("Autoreplay of missed messages is enabled"))
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} else {
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nsNotice(rb, client.t("You have enabled autoreplay of missed messages, but you can't receive them because your client isn't set to always-on"))
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}
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} else {
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nsNotice(rb, client.t("Your account is not configured to receive autoreplayed missed messages"))
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}
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case "dm-history":
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effectiveValue := historyEnabled(config.History.Persistent.DirectMessages, settings.DMHistory)
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csNotice(rb, fmt.Sprintf(client.t("Your stored direct message history setting is: %s"), historyStatusToString(settings.DMHistory)))
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csNotice(rb, fmt.Sprintf(client.t("Given current server settings, your direct message history setting is: %s"), historyStatusToString(effectiveValue)))
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default:
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nsNotice(rb, client.t("No such setting"))
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}
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}
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func nsSetHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
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var account string
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if command == "saset" {
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account = params[0]
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params = params[1:]
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} else {
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account = client.Account()
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}
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var munger settingsMunger
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var finalSettings AccountSettings
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var err error
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switch strings.ToLower(params[0]) {
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case "pass":
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nsNotice(rb, client.t("To change a password, use the PASSWD command. For details, /msg NickServ HELP PASSWD"))
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return
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case "enforce":
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var method NickEnforcementMethod
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method, err = nickReservationFromString(params[1])
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if err != nil {
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err = errInvalidParams
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break
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}
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// updating enforcement settings is special-cased, because it requires
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// an update to server.accounts.accountToMethod
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finalSettings, err = server.accounts.SetEnforcementStatus(account, method)
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if err == nil {
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finalSettings.NickEnforcement = method // success
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}
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case "autoreplay-lines":
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var newValue *int
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if strings.ToLower(params[1]) != "default" {
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val, err_ := strconv.Atoi(params[1])
|
|
if err_ != nil || val < 0 {
|
|
err = errInvalidParams
|
|
break
|
|
}
|
|
newValue = new(int)
|
|
*newValue = val
|
|
}
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AutoreplayLines = newValue
|
|
return
|
|
}
|
|
case "multiclient":
|
|
var newValue MulticlientAllowedSetting
|
|
if strings.ToLower(params[1]) == "default" {
|
|
newValue = MulticlientAllowedServerDefault
|
|
} else {
|
|
var enabled bool
|
|
enabled, err = utils.StringToBool(params[1])
|
|
if enabled {
|
|
newValue = MulticlientAllowedByUser
|
|
} else {
|
|
newValue = MulticlientDisallowedByUser
|
|
}
|
|
}
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AllowBouncer = newValue
|
|
return
|
|
}
|
|
}
|
|
case "replay-joins":
|
|
var newValue ReplayJoinsSetting
|
|
newValue, err = replayJoinsSettingFromString(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.ReplayJoins = newValue
|
|
return
|
|
}
|
|
}
|
|
case "always-on":
|
|
// #821: it's problematic to alter the value of always-on if you're not
|
|
// the (actual or potential) always-on client yourself. make an exception
|
|
// for `saset` to give operators an escape hatch (any consistency problems
|
|
// can probably be fixed by restarting the server):
|
|
if command != "saset" {
|
|
details := client.Details()
|
|
if details.nick != details.accountName {
|
|
err = errNickAccountMismatch
|
|
}
|
|
}
|
|
if err == nil {
|
|
var newValue PersistentStatus
|
|
newValue, err = persistentStatusFromString(params[1])
|
|
// "opt-in" and "opt-out" don't make sense as user preferences
|
|
if err == nil && newValue != PersistentOptIn && newValue != PersistentOptOut {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AlwaysOn = newValue
|
|
return
|
|
}
|
|
}
|
|
}
|
|
case "autoreplay-missed":
|
|
var newValue bool
|
|
newValue, err = utils.StringToBool(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.AutoreplayMissed = newValue
|
|
return
|
|
}
|
|
}
|
|
case "dm-history":
|
|
var newValue HistoryStatus
|
|
newValue, err = historyStatusFromString(params[1])
|
|
if err == nil {
|
|
munger = func(in AccountSettings) (out AccountSettings, err error) {
|
|
out = in
|
|
out.DMHistory = newValue
|
|
return
|
|
}
|
|
}
|
|
default:
|
|
err = errInvalidParams
|
|
}
|
|
|
|
if munger != nil {
|
|
finalSettings, err = server.accounts.ModifyAccountSettings(account, munger)
|
|
}
|
|
|
|
switch err {
|
|
case nil:
|
|
nsNotice(rb, client.t("Successfully changed your account settings"))
|
|
displaySetting(params[0], finalSettings, client, rb)
|
|
case errInvalidParams, errAccountDoesNotExist, errFeatureDisabled, errAccountUnverified, errAccountUpdateFailed:
|
|
nsNotice(rb, client.t(err.Error()))
|
|
case errNickAccountMismatch:
|
|
nsNotice(rb, fmt.Sprintf(client.t("Your nickname must match your account name %s exactly to modify this setting. Try changing it with /NICK, or logging out and back in with the correct nickname."), client.AccountName()))
|
|
default:
|
|
// unknown error
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
}
|
|
}
|
|
|
|
func nsDropHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
sadrop := command == "sadrop"
|
|
var nick string
|
|
if len(params) > 0 {
|
|
nick = params[0]
|
|
} else {
|
|
nick = client.NickCasefolded()
|
|
}
|
|
|
|
err := server.accounts.SetNickReserved(client, nick, sadrop, false)
|
|
if err == nil {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully ungrouped nick %s with your account"), nick))
|
|
} else if err == errAccountNotLoggedIn {
|
|
nsNotice(rb, client.t("You're not logged into an account"))
|
|
} else if err == errAccountCantDropPrimaryNick {
|
|
nsNotice(rb, client.t("You can't ungroup your primary nickname (try unregistering your account instead)"))
|
|
} else {
|
|
nsNotice(rb, client.t("Could not ungroup nick"))
|
|
}
|
|
}
|
|
|
|
func nsGhostHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
nick := params[0]
|
|
|
|
ghost := server.clients.Get(nick)
|
|
if ghost == nil {
|
|
nsNotice(rb, client.t("No such nick"))
|
|
return
|
|
} else if ghost == client {
|
|
nsNotice(rb, client.t("You can't GHOST yourself (try /QUIT instead)"))
|
|
return
|
|
} else if ghost.AlwaysOn() {
|
|
nsNotice(rb, client.t("You can't GHOST an always-on client"))
|
|
return
|
|
}
|
|
|
|
authorized := false
|
|
account := client.Account()
|
|
if account != "" {
|
|
// the user must either own the nick, or the target client
|
|
authorized = (server.accounts.NickToAccount(nick) == account) || (ghost.Account() == account)
|
|
}
|
|
if !authorized {
|
|
nsNotice(rb, client.t("You don't own that nick"))
|
|
return
|
|
}
|
|
|
|
ghost.Quit(fmt.Sprintf(ghost.t("GHOSTed by %s"), client.Nick()), nil)
|
|
ghost.destroy(nil)
|
|
}
|
|
|
|
func nsGroupHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
nick := client.Nick()
|
|
err := server.accounts.SetNickReserved(client, nick, false, true)
|
|
if err == nil {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully grouped nick %s with your account"), nick))
|
|
} else if err == errAccountTooManyNicks {
|
|
nsNotice(rb, client.t("You have too many nicks reserved already (you can remove some with /NS DROP)"))
|
|
} else if err == errNicknameReserved {
|
|
nsNotice(rb, client.t("That nickname is already reserved by someone else"))
|
|
} else {
|
|
nsNotice(rb, client.t("Error reserving nickname"))
|
|
}
|
|
}
|
|
|
|
func nsLoginThrottleCheck(client *Client, rb *ResponseBuffer) (success bool) {
|
|
client.stateMutex.Lock()
|
|
throttled, remainingTime := client.loginThrottle.Touch()
|
|
client.stateMutex.Unlock()
|
|
if throttled {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Please wait at least %v and try again"), remainingTime))
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func nsIdentifyHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
if client.LoggedIntoAccount() {
|
|
nsNotice(rb, client.t("You're already logged into an account"))
|
|
return
|
|
}
|
|
|
|
var err error
|
|
loginSuccessful := false
|
|
|
|
var username, passphrase string
|
|
if len(params) == 1 {
|
|
if rb.session.certfp != "" {
|
|
username = params[0]
|
|
} else {
|
|
// XXX undocumented compatibility mode with other nickservs, allowing
|
|
// /msg NickServ identify passphrase
|
|
username = client.NickCasefolded()
|
|
passphrase = params[0]
|
|
}
|
|
} else {
|
|
username = params[0]
|
|
passphrase = params[1]
|
|
}
|
|
|
|
// try passphrase
|
|
if passphrase != "" {
|
|
if !nsLoginThrottleCheck(client, rb) {
|
|
return
|
|
}
|
|
err = server.accounts.AuthenticateByPassphrase(client, username, passphrase)
|
|
loginSuccessful = (err == nil)
|
|
}
|
|
|
|
// try certfp
|
|
if !loginSuccessful && rb.session.certfp != "" {
|
|
err = server.accounts.AuthenticateByCertFP(client, rb.session.certfp, "")
|
|
loginSuccessful = (err == nil)
|
|
}
|
|
|
|
nickFixupFailed := false
|
|
if loginSuccessful {
|
|
if !fixupNickEqualsAccount(client, rb, server.Config()) {
|
|
loginSuccessful = false
|
|
// fixupNickEqualsAccount sends its own error message, don't send another
|
|
nickFixupFailed = true
|
|
}
|
|
}
|
|
|
|
if loginSuccessful {
|
|
sendSuccessfulAccountAuth(client, rb, true, true)
|
|
} else if !nickFixupFailed {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Authentication failed: %s"), authErrorToMessage(server, err)))
|
|
}
|
|
}
|
|
|
|
func nsListHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
if !client.HasRoleCapabs("accreg") {
|
|
nsNotice(rb, client.t("Insufficient privileges"))
|
|
return
|
|
}
|
|
|
|
var searchRegex *regexp.Regexp
|
|
if len(params) > 0 {
|
|
var err error
|
|
searchRegex, err = regexp.Compile(params[0])
|
|
if err != nil {
|
|
nsNotice(rb, client.t("Invalid regex"))
|
|
return
|
|
}
|
|
}
|
|
|
|
nsNotice(rb, ircfmt.Unescape(client.t("*** $bNickServ LIST$b ***")))
|
|
|
|
nicks := server.accounts.AllNicks()
|
|
for _, nick := range nicks {
|
|
if searchRegex == nil || searchRegex.MatchString(nick) {
|
|
nsNotice(rb, fmt.Sprintf(" %s", nick))
|
|
}
|
|
}
|
|
|
|
nsNotice(rb, ircfmt.Unescape(client.t("*** $bEnd of NickServ LIST$b ***")))
|
|
}
|
|
|
|
func nsInfoHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
if !server.Config().Accounts.AuthenticationEnabled && !client.HasRoleCapabs("accreg") {
|
|
nsNotice(rb, client.t("This command has been disabled by the server administrators"))
|
|
return
|
|
}
|
|
|
|
var accountName string
|
|
if len(params) > 0 {
|
|
nick := params[0]
|
|
if server.Config().Accounts.NickReservation.Enabled {
|
|
accountName = server.accounts.NickToAccount(nick)
|
|
if accountName == "" {
|
|
nsNotice(rb, client.t("That nickname is not registered"))
|
|
return
|
|
}
|
|
} else {
|
|
accountName = nick
|
|
}
|
|
} else {
|
|
accountName = client.Account()
|
|
if accountName == "" {
|
|
nsNotice(rb, client.t("You're not logged into an account"))
|
|
return
|
|
}
|
|
}
|
|
|
|
account, err := server.accounts.LoadAccount(accountName)
|
|
if err != nil || !account.Verified {
|
|
nsNotice(rb, client.t("Account does not exist"))
|
|
return
|
|
}
|
|
|
|
nsNotice(rb, fmt.Sprintf(client.t("Account: %s"), account.Name))
|
|
registeredAt := account.RegisteredAt.Format(time.RFC1123)
|
|
nsNotice(rb, fmt.Sprintf(client.t("Registered at: %s"), registeredAt))
|
|
// TODO nicer formatting for this
|
|
for _, nick := range account.AdditionalNicks {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Additional grouped nick: %s"), nick))
|
|
}
|
|
for _, channel := range server.accounts.ChannelsForAccount(accountName) {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Registered channel: %s"), channel))
|
|
}
|
|
}
|
|
|
|
func nsRegisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
details := client.Details()
|
|
passphrase := params[0]
|
|
var email string
|
|
if 1 < len(params) {
|
|
email = params[1]
|
|
}
|
|
|
|
certfp := rb.session.certfp
|
|
if passphrase == "*" {
|
|
if certfp == "" {
|
|
nsNotice(rb, client.t("You must be connected with TLS and a client certificate to do this"))
|
|
return
|
|
} else {
|
|
passphrase = ""
|
|
}
|
|
}
|
|
|
|
if !nsLoginThrottleCheck(client, rb) {
|
|
return
|
|
}
|
|
|
|
config := server.Config()
|
|
account := details.nick
|
|
if config.Accounts.NickReservation.ForceGuestFormat {
|
|
matches := config.Accounts.NickReservation.guestRegexp.FindStringSubmatch(account)
|
|
if matches == nil || len(matches) < 2 {
|
|
nsNotice(rb, client.t("Erroneous nickname"))
|
|
return
|
|
}
|
|
account = matches[1]
|
|
}
|
|
|
|
var callbackNamespace, callbackValue string
|
|
noneCallbackAllowed := false
|
|
for _, callback := range config.Accounts.Registration.EnabledCallbacks {
|
|
if callback == "*" {
|
|
noneCallbackAllowed = true
|
|
}
|
|
}
|
|
// XXX if ACC REGISTER allows registration with the `none` callback, then ignore
|
|
// any callback that was passed here (to avoid confusion in the case where the ircd
|
|
// has no mail server configured). otherwise, register using the provided callback:
|
|
if noneCallbackAllowed {
|
|
callbackNamespace = "*"
|
|
} else {
|
|
callbackNamespace, callbackValue = parseCallback(email, config.Accounts)
|
|
if callbackNamespace == "" || callbackValue == "" {
|
|
nsNotice(rb, client.t("Registration requires a valid e-mail address"))
|
|
return
|
|
}
|
|
}
|
|
|
|
err := server.accounts.Register(client, account, callbackNamespace, callbackValue, passphrase, rb.session.certfp)
|
|
if err == nil {
|
|
if callbackNamespace == "*" {
|
|
err = server.accounts.Verify(client, account, "")
|
|
if err == nil && fixupNickEqualsAccount(client, rb, config) {
|
|
sendSuccessfulRegResponse(client, rb, true)
|
|
}
|
|
} else {
|
|
messageTemplate := client.t("Account created, pending verification; verification code has been sent to %s")
|
|
message := fmt.Sprintf(messageTemplate, fmt.Sprintf("%s:%s", callbackNamespace, callbackValue))
|
|
nsNotice(rb, message)
|
|
}
|
|
} else {
|
|
// details could not be stored and relevant numerics have been dispatched, abort
|
|
message, _ := registrationErrorToMessageAndCode(err)
|
|
nsNotice(rb, client.t(message))
|
|
}
|
|
}
|
|
|
|
func nsSaregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
var account, passphrase string
|
|
account = params[0]
|
|
if 1 < len(params) && params[1] != "*" {
|
|
passphrase = params[1]
|
|
}
|
|
err := server.accounts.SARegister(account, passphrase)
|
|
|
|
if err != nil {
|
|
var errMsg string
|
|
if err == errAccountAlreadyRegistered || err == errAccountAlreadyVerified {
|
|
errMsg = client.t("Account already exists")
|
|
} else if err == errAccountBadPassphrase {
|
|
errMsg = client.t("Passphrase contains forbidden characters or is otherwise invalid")
|
|
} else {
|
|
server.logger.Error("services", "unknown error from saregister", err.Error())
|
|
errMsg = client.t("Could not register")
|
|
}
|
|
nsNotice(rb, errMsg)
|
|
} else {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully registered account %s"), account))
|
|
server.snomasks.Send(sno.LocalAccounts, fmt.Sprintf(ircfmt.Unescape("Operator $c[grey][$r%s$c[grey]] registered account $c[grey][$r%s$c[grey]] with SAREGISTER"), client.Oper().Name, account))
|
|
}
|
|
}
|
|
|
|
func nsUnregisterHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
erase := command == "erase"
|
|
|
|
username := params[0]
|
|
var verificationCode string
|
|
if len(params) > 1 {
|
|
verificationCode = params[1]
|
|
}
|
|
|
|
if username == "" {
|
|
nsNotice(rb, client.t("You must specify an account"))
|
|
return
|
|
}
|
|
|
|
var accountName string
|
|
var registeredAt time.Time
|
|
if erase {
|
|
// account may not be in a loadable state, e.g., if it was unregistered
|
|
accountName = username
|
|
// make the confirmation code nondeterministic for ERASE
|
|
registeredAt = server.ctime
|
|
} else {
|
|
account, err := server.accounts.LoadAccount(username)
|
|
if err == errAccountDoesNotExist {
|
|
nsNotice(rb, client.t("Invalid account name"))
|
|
return
|
|
} else if err != nil {
|
|
nsNotice(rb, client.t("Internal error"))
|
|
return
|
|
}
|
|
accountName = account.Name
|
|
registeredAt = account.RegisteredAt
|
|
}
|
|
|
|
if !(accountName == client.AccountName() || client.HasRoleCapabs("accreg")) {
|
|
nsNotice(rb, client.t("Insufficient oper privs"))
|
|
return
|
|
}
|
|
|
|
expectedCode := utils.ConfirmationCode(accountName, registeredAt)
|
|
if expectedCode != verificationCode {
|
|
if erase {
|
|
nsNotice(rb, ircfmt.Unescape(client.t("$bWarning: erasing this account will allow it to be re-registered; consider UNREGISTER instead.$b")))
|
|
nsNotice(rb, fmt.Sprintf(client.t("To confirm account erase, type: /NS ERASE %[1]s %[2]s"), accountName, expectedCode))
|
|
} else {
|
|
nsNotice(rb, ircfmt.Unescape(client.t("$bWarning: unregistering this account will remove its stored privileges.$b")))
|
|
nsNotice(rb, fmt.Sprintf(client.t("To confirm account unregistration, type: /NS UNREGISTER %[1]s %[2]s"), accountName, expectedCode))
|
|
}
|
|
return
|
|
}
|
|
|
|
err := server.accounts.Unregister(accountName, erase)
|
|
if err == errAccountDoesNotExist {
|
|
nsNotice(rb, client.t(err.Error()))
|
|
} else if err != nil {
|
|
nsNotice(rb, client.t("Error while unregistering account"))
|
|
} else {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Successfully unregistered account %s"), accountName))
|
|
server.logger.Info("accounts", "client", client.Nick(), "unregistered account", accountName)
|
|
client.server.snomasks.Send(sno.LocalAccounts, fmt.Sprintf(ircfmt.Unescape("Client $c[grey][$r%s$c[grey]] unregistered account $c[grey][$r%s$c[grey]]"), client.NickMaskString(), accountName))
|
|
}
|
|
}
|
|
|
|
func nsVerifyHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
username, code := params[0], params[1]
|
|
err := server.accounts.Verify(client, username, code)
|
|
|
|
var errorMessage string
|
|
if err != nil {
|
|
switch err {
|
|
case errAccountAlreadyLoggedIn, errAccountVerificationInvalidCode, errAccountAlreadyVerified:
|
|
errorMessage = err.Error()
|
|
default:
|
|
errorMessage = errAccountVerificationFailed.Error()
|
|
}
|
|
}
|
|
|
|
if errorMessage != "" {
|
|
nsNotice(rb, client.t(errorMessage))
|
|
return
|
|
}
|
|
|
|
if fixupNickEqualsAccount(client, rb, server.Config()) {
|
|
sendSuccessfulRegResponse(client, rb, true)
|
|
}
|
|
}
|
|
|
|
func nsPasswdHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
var target string
|
|
var newPassword string
|
|
var errorMessage string
|
|
|
|
hasPrivs := client.HasRoleCapabs("accreg")
|
|
|
|
switch len(params) {
|
|
case 2:
|
|
if !hasPrivs {
|
|
errorMessage = `Insufficient privileges`
|
|
} else {
|
|
target, newPassword = params[0], params[1]
|
|
if newPassword == "*" {
|
|
newPassword = ""
|
|
}
|
|
}
|
|
case 3:
|
|
target = client.Account()
|
|
if target == "" {
|
|
errorMessage = `You're not logged into an account`
|
|
} else if params[1] != params[2] {
|
|
errorMessage = `Passwords do not match`
|
|
} else {
|
|
if !nsLoginThrottleCheck(client, rb) {
|
|
return
|
|
}
|
|
accountData, err := server.accounts.LoadAccount(target)
|
|
if err != nil {
|
|
errorMessage = `You're not logged into an account`
|
|
} else {
|
|
hash := accountData.Credentials.PassphraseHash
|
|
if hash != nil && passwd.CompareHashAndPassword(hash, []byte(params[0])) != nil {
|
|
errorMessage = `Password incorrect`
|
|
} else {
|
|
newPassword = params[1]
|
|
if newPassword == "*" {
|
|
newPassword = ""
|
|
}
|
|
}
|
|
}
|
|
}
|
|
default:
|
|
errorMessage = `Invalid parameters`
|
|
}
|
|
|
|
if errorMessage != "" {
|
|
nsNotice(rb, client.t(errorMessage))
|
|
return
|
|
}
|
|
|
|
err := server.accounts.setPassword(target, newPassword, hasPrivs)
|
|
switch err {
|
|
case nil:
|
|
nsNotice(rb, client.t("Password changed"))
|
|
case errEmptyCredentials:
|
|
nsNotice(rb, client.t("You can't delete your password unless you add a certificate fingerprint"))
|
|
case errCredsExternallyManaged:
|
|
nsNotice(rb, client.t("Your account credentials are managed externally and cannot be changed here"))
|
|
case errCASFailed:
|
|
nsNotice(rb, client.t("Try again later"))
|
|
default:
|
|
server.logger.Error("internal", "could not upgrade user password:", err.Error())
|
|
nsNotice(rb, client.t("Password could not be changed due to server error"))
|
|
}
|
|
}
|
|
|
|
func nsEnforceHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
newParams := []string{"enforce"}
|
|
if len(params) == 0 {
|
|
nsGetHandler(server, client, "get", newParams, rb)
|
|
} else {
|
|
newParams = append(newParams, params[0])
|
|
nsSetHandler(server, client, "set", newParams, rb)
|
|
}
|
|
}
|
|
|
|
func nsSessionsHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
target := client
|
|
|
|
if 0 < len(params) {
|
|
target = server.clients.Get(params[0])
|
|
if target == nil {
|
|
nsNotice(rb, client.t("No such nick"))
|
|
return
|
|
}
|
|
// same permissions check as RPL_WHOISACTUALLY for now:
|
|
if target != client && !client.HasMode(modes.Operator) {
|
|
nsNotice(rb, client.t("Command restricted"))
|
|
return
|
|
}
|
|
}
|
|
|
|
sessionData, currentIndex := target.AllSessionData(rb.session)
|
|
nsNotice(rb, fmt.Sprintf(client.t("Nickname %[1]s has %[2]d attached session(s)"), target.Nick(), len(sessionData)))
|
|
for i, session := range sessionData {
|
|
if currentIndex == i {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Session %d (currently attached session):"), i+1))
|
|
} else {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Session %d:"), i+1))
|
|
}
|
|
nsNotice(rb, fmt.Sprintf(client.t("IP address: %s"), session.ip.String()))
|
|
nsNotice(rb, fmt.Sprintf(client.t("Hostname: %s"), session.hostname))
|
|
nsNotice(rb, fmt.Sprintf(client.t("Created at: %s"), session.ctime.Format(time.RFC1123)))
|
|
nsNotice(rb, fmt.Sprintf(client.t("Last active: %s"), session.atime.Format(time.RFC1123)))
|
|
if session.certfp != "" {
|
|
nsNotice(rb, fmt.Sprintf(client.t("Certfp: %s"), session.certfp))
|
|
}
|
|
}
|
|
}
|
|
|
|
func nsCertHandler(server *Server, client *Client, command string, params []string, rb *ResponseBuffer) {
|
|
verb := strings.ToLower(params[0])
|
|
params = params[1:]
|
|
var target, certfp string
|
|
|
|
switch verb {
|
|
case "list":
|
|
if 1 <= len(params) {
|
|
target = params[0]
|
|
}
|
|
case "add", "del":
|
|
if 2 <= len(params) {
|
|
target, certfp = params[0], params[1]
|
|
} else if len(params) == 1 {
|
|
certfp = params[0]
|
|
} else {
|
|
nsNotice(rb, client.t("Invalid parameters"))
|
|
return
|
|
}
|
|
default:
|
|
nsNotice(rb, client.t("Invalid parameters"))
|
|
return
|
|
}
|
|
|
|
hasPrivs := client.HasRoleCapabs("accreg")
|
|
if target != "" && !hasPrivs {
|
|
nsNotice(rb, client.t("Insufficient privileges"))
|
|
return
|
|
} else if target == "" {
|
|
target = client.Account()
|
|
if target == "" {
|
|
nsNotice(rb, client.t("You're not logged into an account"))
|
|
return
|
|
}
|
|
}
|
|
|
|
var err error
|
|
switch verb {
|
|
case "list":
|
|
accountData, err := server.accounts.LoadAccount(target)
|
|
if err == errAccountDoesNotExist {
|
|
nsNotice(rb, client.t("Account does not exist"))
|
|
return
|
|
} else if err != nil {
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
return
|
|
}
|
|
certfps := accountData.Credentials.Certfps
|
|
nsNotice(rb, fmt.Sprintf(client.t("There are %[1]d certificate fingerprint(s) authorized for account %[2]s."), len(certfps), accountData.Name))
|
|
for i, certfp := range certfps {
|
|
nsNotice(rb, fmt.Sprintf("%d: %s", i+1, certfp))
|
|
}
|
|
return
|
|
case "add":
|
|
err = server.accounts.addRemoveCertfp(target, certfp, true, hasPrivs)
|
|
case "del":
|
|
err = server.accounts.addRemoveCertfp(target, certfp, false, hasPrivs)
|
|
}
|
|
|
|
switch err {
|
|
case nil:
|
|
if verb == "add" {
|
|
nsNotice(rb, client.t("Certificate fingerprint successfully added"))
|
|
} else {
|
|
nsNotice(rb, client.t("Certificate fingerprint successfully removed"))
|
|
}
|
|
case errNoop:
|
|
if verb == "add" {
|
|
nsNotice(rb, client.t("That certificate fingerprint was already authorized"))
|
|
} else {
|
|
nsNotice(rb, client.t("Certificate fingerprint not found"))
|
|
}
|
|
case errAccountDoesNotExist:
|
|
nsNotice(rb, client.t("Account does not exist"))
|
|
case errLimitExceeded:
|
|
nsNotice(rb, client.t("You already have too many certificate fingerprints"))
|
|
case utils.ErrInvalidCertfp:
|
|
nsNotice(rb, client.t("Invalid certificate fingerprint"))
|
|
case errCertfpAlreadyExists:
|
|
nsNotice(rb, client.t("That certificate fingerprint is already associated with another account"))
|
|
case errEmptyCredentials:
|
|
nsNotice(rb, client.t("You can't remove all your certificate fingerprints unless you add a password"))
|
|
case errCredsExternallyManaged:
|
|
nsNotice(rb, client.t("Your account credentials are managed externally and cannot be changed here"))
|
|
case errCASFailed:
|
|
nsNotice(rb, client.t("Try again later"))
|
|
default:
|
|
server.logger.Error("internal", "could not modify certificates:", err.Error())
|
|
nsNotice(rb, client.t("An error occurred"))
|
|
}
|
|
}
|