1 /* #pragma ident "@(#)g_process_context.c 1.12 98/01/22 SMI" */ 2 3 /* 4 * Copyright 1996 by Sun Microsystems, Inc. 5 * 6 * Permission to use, copy, modify, distribute, and sell this software 7 * and its documentation for any purpose is hereby granted without fee, 8 * provided that the above copyright notice appears in all copies and 9 * that both that copyright notice and this permission notice appear in 10 * supporting documentation, and that the name of Sun Microsystems not be used 11 * in advertising or publicity pertaining to distribution of the software 12 * without specific, written prior permission. Sun Microsystems makes no 13 * representations about the suitability of this software for any 14 * purpose. It is provided "as is" without express or implied warranty. 15 * 16 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 18 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF 20 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR 21 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 22 * PERFORMANCE OF THIS SOFTWARE. 23 */ 24 25 /* 26 * glue routine gss_process_context 27 */ 28 29 #include "mglueP.h" 30 31 OM_uint32 KRB5_CALLCONV 32 gss_process_context_token(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 33 gss_buffer_t token_buffer) 34 { 35 OM_uint32 status; 36 gss_union_ctx_id_t ctx; 37 gss_mechanism mech; 38 39 if (minor_status == NULL) 40 return (GSS_S_CALL_INACCESSIBLE_WRITE); 41 *minor_status = 0; 42 43 if (context_handle == GSS_C_NO_CONTEXT) 44 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 45 46 if (token_buffer == GSS_C_NO_BUFFER) 47 return (GSS_S_CALL_INACCESSIBLE_READ); 48 49 if (GSS_EMPTY_BUFFER(token_buffer)) 50 return (GSS_S_CALL_INACCESSIBLE_READ); 51 52 /* 53 * select the approprate underlying mechanism routine and 54 * call it. 55 */ 56 57 ctx = (gss_union_ctx_id_t) context_handle; 58 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 59 return (GSS_S_NO_CONTEXT); 60 mech = gssint_get_mechanism (ctx->mech_type); 61 62 if (mech) { 63 64 if (mech->gss_process_context_token) { 65 status = mech->gss_process_context_token( 66 minor_status, 67 ctx->internal_ctx_id, 68 token_buffer); 69 if (status != GSS_S_COMPLETE) 70 map_error(minor_status, mech); 71 } else 72 status = GSS_S_UNAVAILABLE; 73 74 return(status); 75 } 76 77 return (GSS_S_BAD_MECH); 78 } 79