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34 * Message protection services: unwrap.
37 #include "gssapiP_eap.h"
39 OM_uint32 GSSAPI_CALLCONV
40 gss_unwrap(OM_uint32 *minor,
41 #ifdef HAVE_HEIMDAL_VERSION
42 gss_const_ctx_id_t ctx,
46 gss_buffer_t input_message_buffer,
47 gss_buffer_t output_message_buffer,
51 OM_uint32 major, tmpMinor;
52 gss_iov_buffer_desc iov[2];
54 if (ctx == GSS_C_NO_CONTEXT) {
56 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
61 GSSEAP_MUTEX_LOCK(&((gss_ctx_id_t)ctx)->mutex);
63 if (!CTX_IS_ESTABLISHED(ctx)) {
64 major = GSS_S_NO_CONTEXT;
65 *minor = GSSEAP_CONTEXT_INCOMPLETE;
69 iov[0].type = GSS_IOV_BUFFER_TYPE_STREAM;
70 iov[0].buffer = *input_message_buffer;
72 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA | GSS_IOV_BUFFER_FLAG_ALLOCATE;
73 iov[1].buffer.value = NULL;
74 iov[1].buffer.length = 0;
76 major = gssEapUnwrapOrVerifyMIC(minor, (gss_ctx_id_t)ctx,
77 conf_state, qop_state,
78 iov, 2, TOK_TYPE_WRAP);
79 if (major == GSS_S_COMPLETE) {
80 *output_message_buffer = iov[1].buffer;
82 if (iov[1].type & GSS_IOV_BUFFER_FLAG_ALLOCATED)
83 gss_release_buffer(&tmpMinor, &iov[1].buffer);
87 GSSEAP_MUTEX_UNLOCK(&((gss_ctx_id_t)ctx)->mutex);