1 /* #ident "@(#)g_exp_sec_context.c 1.2 96/01/18 SMI" */
4 * Copyright 1996 by Sun Microsystems, Inc.
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26 * glue routine for gss_export_sec_context
37 OM_uint32 KRB5_CALLCONV
38 gss_export_sec_context(minor_status,
42 OM_uint32 * minor_status;
43 gss_ctx_id_t * context_handle;
44 gss_buffer_t interprocess_token;
49 gss_union_ctx_id_t ctx;
51 gss_buffer_desc token;
56 if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT)
57 return GSS_S_NO_CONTEXT;
60 * select the approprate underlying mechanism routine and
64 ctx = (gss_union_ctx_id_t) *context_handle;
65 mech = __gss_get_mechanism (ctx->mech_type);
67 return GSS_S_BAD_MECH;
68 if (!mech->gss_export_sec_context)
69 return GSS_S_BAD_BINDINGS;
71 #ifdef USE_MECH_CONTEXT
72 status = mech->gss_export_sec_context(mech->context, minor_status,
74 status = mech->gss_export_sec_context(minor_status,
76 &ctx->internal_ctx_id, &token);
77 if (status != GSS_S_COMPLETE)
80 length = token.length + 4 + ctx->mech_type->length;
81 interprocess_token->length = length;
82 interprocess_token->value = malloc(length);
83 if (interprocess_token->value == 0) {
84 (void) gss_release_buffer(minor_status, &token);
85 *minor_status = ENOMEM;
86 return (GSS_S_FAILURE);
88 buf = interprocess_token->value;
89 length = ctx->mech_type->length;
90 buf[3] = (unsigned char) (length & 0xFF);
92 buf[2] = (unsigned char) (length & 0xFF);
94 buf[1] = (unsigned char) (length & 0xFF);
96 buf[0] = (unsigned char) (length & 0xFF);
97 memcpy(buf+4, ctx->mech_type->elements, (size_t) ctx->mech_type->length);
98 memcpy(buf+4+ctx->mech_type->length, token.value, token.length);
100 (void) gss_release_buffer(minor_status, &token);
102 free(ctx->mech_type->elements);
103 free(ctx->mech_type);
107 return(GSS_S_COMPLETE);