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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,
42 gss_buffer_t input_message_buffer,
43 gss_buffer_t output_message_buffer,
47 OM_uint32 major, tmpMinor;
48 gss_iov_buffer_desc iov[2];
50 if (ctx == GSS_C_NO_CONTEXT) {
52 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
57 GSSEAP_MUTEX_LOCK(&ctx->mutex);
59 if (!CTX_IS_ESTABLISHED(ctx)) {
60 major = GSS_S_NO_CONTEXT;
61 *minor = GSSEAP_CONTEXT_INCOMPLETE;
65 iov[0].type = GSS_IOV_BUFFER_TYPE_STREAM;
66 iov[0].buffer = *input_message_buffer;
68 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA | GSS_IOV_BUFFER_FLAG_ALLOCATE;
69 iov[1].buffer.value = NULL;
70 iov[1].buffer.length = 0;
72 major = gssEapUnwrapOrVerifyMIC(minor, ctx, conf_state, qop_state,
73 iov, 2, TOK_TYPE_WRAP);
74 if (major == GSS_S_COMPLETE) {
75 *output_message_buffer = iov[1].buffer;
77 if (iov[1].type & GSS_IOV_BUFFER_FLAG_ALLOCATED)
78 gss_release_buffer(&tmpMinor, &iov[1].buffer);
82 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);