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allow SAREGISTER even when normal registration is fully disabled

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This commit is contained in:
Shivaram Lingamneni 2019-02-14 19:51:55 -05:00
parent 355491d4e1
commit d147708158
5 changed files with 17 additions and 11 deletions
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4
docs/MANUAL.md
View File

@ -179,11 +179,11 @@ The following additional configs are recommended:
This mode is comparable to Slack, Mattermost, or similar products intended as internal chat servers for an organization or team. In this mode, clients cannot connect to the server unless they log in with SASL as part of the initial handshake. This allows Oragono to be deployed facing the public Internet, with fine-grained control over who can log in.
In this mode, clients must have a valid account to connect, so they cannot register their own accounts. Accordingly, an operator must do the initial account creation, using the `SAREGISTER` command of NickServ. (For more details, `/msg nickserv help saregister`.) To bootstrap this process, the SASL requirement can be disabled initially so that a first account can be created. Alternately, connections from localhost are exempt (by default) from the SASL requirement.
In this mode, clients must have a valid account to connect, so they cannot register their own accounts. Accordingly, an operator must do the initial account creation, using the `SAREGISTER` command of NickServ. (For more details, `/msg nickserv help saregister`.) To bootstrap this process, the SASL requirement can be disabled initially so that a first account can be created. Alternately, connections from localhost are exempt (by default) from the SASL requirement. You can also exempt your internal network, e.g., `10.0.0.0/8`.
To enable this mode, set the following configs:
* `accounts.registration.enabled = true`
* `accounts.registration.enabled = false`
* `accounts.authentication-enabled = true`
* `accounts.require-sasl.enabled = true`
* `accounts.nick-reservation.enabled = true`

6
irc/accounts.go
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@ -307,6 +307,12 @@ func (am *AccountManager) Register(client *Client, account string, callbackNames
}
config := am.server.AccountConfig()
// final "is registration allowed" check, probably redundant:
if !(config.Registration.Enabled || callbackNamespace == "admin") {
return errFeatureDisabled
}
// if nick reservation is enabled, you can only register your current nickname
// as an account; this prevents "land-grab" situations where someone else
// registers your nick out from under you and then NS GHOSTs you

2
irc/errors.go
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@ -41,7 +41,7 @@ var (
errSaslFail = errors.New("SASL failed")
errResumeTokenAlreadySet = errors.New("Client was already assigned a resume token")
errInvalidUsername = errors.New("Invalid username")
errFeatureDisabled = errors.New("That feature is disabled")
errFeatureDisabled = errors.New(`That feature is disabled`)
errInvalidParams = errors.New("Invalid parameters")
)

2
irc/handlers.go
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@ -183,7 +183,7 @@ func registrationErrorToMessageAndCode(err error) (message, numeric string) {
case errAccountAlreadyRegistered, errAccountAlreadyVerified:
message = err.Error()
numeric = ERR_ACCOUNT_ALREADY_EXISTS
case errAccountCreation, errAccountMustHoldNick, errAccountBadPassphrase, errCertfpAlreadyExists:
case errAccountCreation, errAccountMustHoldNick, errAccountBadPassphrase, errCertfpAlreadyExists, errFeatureDisabled:
message = err.Error()
}
return

14
irc/nickserv.go
View File

@ -18,12 +18,12 @@ func servCmdRequiresAuthEnabled(config *Config) bool {
return config.Accounts.AuthenticationEnabled
}
func nsGroupEnabled(config *Config) bool {
func servCmdRequiresNickRes(config *Config) bool {
return config.Accounts.AuthenticationEnabled && config.Accounts.NickReservation.Enabled
}
func nsEnforceEnabled(config *Config) bool {
return config.Accounts.NickReservation.Enabled && config.Accounts.NickReservation.AllowCustomEnforcement
return servCmdRequiresNickRes(config) && config.Accounts.NickReservation.AllowCustomEnforcement
}
const nickservHelp = `NickServ lets you register and login to an account.
@ -42,7 +42,7 @@ var (
DROP de-links the given (or your current) nickname from your user account.`,
helpShort: `$bDROP$b de-links your current (or the given) nickname from your user account.`,
enabled: servCmdRequiresAccreg,
enabled: servCmdRequiresNickRes,
authRequired: true,
},
"enforce": {
@ -78,7 +78,7 @@ same user account, letting you reclaim your nickname.`,
GROUP links your current nickname with your logged-in account, preventing other
users from changing to it (or forcing them to rename).`,
helpShort: `$bGROUP$b links your current nickname to your user account.`,
enabled: nsGroupEnabled,
enabled: servCmdRequiresNickRes,
authRequired: true,
},
"identify": {
@ -119,7 +119,7 @@ certificate (and you will need to use that certificate to login in future).`,
SADROP forcibly de-links the given nickname from the attached user account.`,
helpShort: `$bSADROP$b forcibly de-links the given nickname from its user account.`,
capabs: []string{"accreg"},
enabled: servCmdRequiresAccreg,
enabled: servCmdRequiresNickRes,
minParams: 1,
},
"saregister": {
@ -130,7 +130,7 @@ SAREGISTER registers an account on someone else's behalf.
This is for use in configurations that require SASL for all connections;
an administrator can set use this command to set up user accounts.`,
helpShort: `$bSAREGISTER$b registers an account on someone else's behalf.`,
enabled: servCmdRequiresAccreg,
enabled: servCmdRequiresAuthEnabled,
capabs: []string{"accreg"},
minParams: 2,
},
@ -143,7 +143,7 @@ IRC operator with the correct permissions). To prevent accidental
unregistrations, a verification code is required; invoking the command without
a code will display the necessary code.`,
helpShort: `$bUNREGISTER$b lets you delete your user account.`,
enabled: servCmdRequiresAccreg,
enabled: servCmdRequiresAuthEnabled,
minParams: 1,
},
"verify": {