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FreeBSD 11.0 - man page for gss_process_context_token (freebsd section 3)


gss_process_context_token -- Process a token on a security context from a peer application
#include <gssapi/gssapi.h> OM_uint32 gss_process_context_token(OM_uint32 *minor_status, const gss_ctx_id_t context_handle, const gss_buffer_t token_buffer);
Provides a way to pass an asynchronous token to the security service. Most context-level tokens are emitted and processed synchronously by gss_init_sec_context() and gss_accept_sec_context(), and the application is informed as to whether further tokens are expected by the GSS_C_CONTINUE_NEEDED major status bit. Occasionally, a mechanism may need to emit a context-level token at a point when the peer entity is not expecting a token. For example, the initiator's final call to gss_init_sec_context() may emit a token and return a status of GSS_S_COMPLETE, but the acceptor's call to gss_accept_sec_context() may fail. The acceptor's mechanism may wish to send a token containing an error indication to the initiator, but the initiator is not expecting a token at this point, believing that the context is fully estab- lished. gss_process_context_token() provides a way to pass such a token to the mechanism at any time.
minor_status Mechanism specific status code. context_handle Context handle of context on which token is to be processed. token_buffer Token to process.
GSS_S_COMPLETE Successful completion GSS_S_DEFECTIVE_TOKEN Indicates that consistency checks performed on the token failed GSS_S_NO_CONTEXT The context_handle did not refer to a valid context
gss_accept_sec_context(3), gss_init_sec_context(3)
RFC 2743 Generic Security Service Application Program Interface Version 2, Update 1 RFC 2744 Generic Security Service API Version 2 : C-bindings
The gss_process_context_token function first appeared in FreeBSD 7.0.
John Wray, Iris Associates
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January 26, 2010 BSD