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pam: Set PAM_AUTHTOK on successful authentication #1190

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pam: Set PAM_AUTHTOK on successful authentication #1190

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8 changes: 7 additions & 1 deletion pam/internal/adapter/authentication.go
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Original file line number Diff line number Diff line change
Expand Up @@ -346,7 +346,13 @@ func (m authenticationModel) Update(msg tea.Msg) (authModel authenticationModel,

switch msg.access {
case auth.Granted:
return m, sendEvent(PamSuccess{BrokerID: m.currentBrokerID, msg: authMsg})
var secret string
if msg.secret != nil {
secret = *msg.secret
} else {
log.Warningf(context.Background(), "authentication granted, but no secret returned, cannot set PAM_AUTHTOK")
}
return m, sendEvent(PamSuccess{BrokerID: m.currentBrokerID, AuthTok: secret, msg: authMsg})

case auth.Retry:
m.errorMsg = authMsg
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1 change: 1 addition & 0 deletions pam/internal/adapter/return.go
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Expand Up @@ -20,6 +20,7 @@ type PamReturnError interface {
// PamSuccess signals PAM module to return with provided pam.Success and Quit tea.Model.
type PamSuccess struct {
BrokerID string
AuthTok string
msg string
}

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5 changes: 5 additions & 0 deletions pam/pam.go
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Expand Up @@ -333,6 +333,11 @@ func (h *pamModule) handleAuthRequest(mode authd.SessionMode, mTx pam.ModuleTran
if err := mTx.SetData(authenticationBrokerIDKey, exitStatus.BrokerID); err != nil {
return err
}
if exitStatus.AuthTok != "" {
if err := mTx.SetItem(pam.Authtok, exitStatus.AuthTok); err != nil {
return err
}
}
return nil

case adapter.PamReturnError:
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