openldap: handle Curl_sasl_continue() returns better#22213
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Similar to how it gets treated already in other protocol handlers. Follow-up to eeca818 Reported-by: Eunsoo Kim
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Pull request overview
This PR updates the OpenLDAP protocol handler to treat Curl_sasl_continue() progress results consistently with other SASL-capable protocol handlers (e.g., SMTP/IMAP/POP3), particularly when SASL authentication is cancelled and no mechanisms remain.
Changes:
- Handle
Curl_sasl_continue()progress via an explicitswitchrather than the previousprogress != SASL_INPROGRESScondition. - Treat
SASL_DONEas successful authentication (transition toOLDAP_STOP) andSASL_IDLEas an authentication cancellation (fail withCURLE_LOGIN_DENIED).
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Similar to how it gets treated already in other protocol handlers.
Follow-up to eeca818
Reported-by: Eunsoo Kim