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gss: _gss_spnego_set_sec_context_option return

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Fix _gss_spnego_set_sec_context_option() to return GSS_S_UNAVAILABLE if no
context handle is provided, so that mechglue will skip to the next mechanism.
There are no globally settable options on SPNEGO itself.

Fixes: #803
This commit is contained in:
Luke Howard
2021-10-11 14:57:09 +11:00
parent 7f8bb85cf5
commit 06e6113960
1 changed files with 9 additions and 3 deletions
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12
lib/gssapi/spnego/context_stubs.c
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@@ -526,9 +526,15 @@ OM_uint32 GSSAPI_CALLCONV _gss_spnego_set_sec_context_option
*minor_status = 0;
if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) {
return GSS_S_NO_CONTEXT;
}
/*
* Return GSS_S_UNAVAILABLE with a NULL context handle as at
* present no context options can be set globally on SPNEGO
* itself. Global mechanism context options are set directly
* on the mechanism; per-context context options are set below
* if ctx->negotiated_ctx_id != GSS_C_NO_CONTEXT.
*/
if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT)
return GSS_S_UNAVAILABLE;
ctx = (gssspnego_ctx)*context_handle;