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 (minor_status, 33 context_handle, 34 token_buffer) 35 36 OM_uint32 * minor_status; 37 gss_ctx_id_t context_handle; 38 gss_buffer_t token_buffer; 39 40 { 41 OM_uint32 status; 42 gss_union_ctx_id_t ctx; 43 gss_mechanism mech; 44 45 if (minor_status == NULL) 46 return (GSS_S_CALL_INACCESSIBLE_WRITE); 47 *minor_status = 0; 48 49 if (context_handle == GSS_C_NO_CONTEXT) 50 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 51 52 if (token_buffer == GSS_C_NO_BUFFER) 53 return (GSS_S_CALL_INACCESSIBLE_READ); 54 55 if (GSS_EMPTY_BUFFER(token_buffer)) 56 return (GSS_S_CALL_INACCESSIBLE_READ); 57 58 /* 59 * select the approprate underlying mechanism routine and 60 * call it. 61 */ 62 63 ctx = (gss_union_ctx_id_t) context_handle; 64 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 65 return (GSS_S_NO_CONTEXT); 66 mech = gssint_get_mechanism (ctx->mech_type); 67 68 if (mech) { 69 70 if (mech->gss_process_context_token) { 71 status = mech->gss_process_context_token( 72 minor_status, 73 ctx->internal_ctx_id, 74 token_buffer); 75 if (status != GSS_S_COMPLETE) 76 map_error(minor_status, mech); 77 } else 78 status = GSS_S_UNAVAILABLE; 79 80 return(status); 81 } 82 83 return (GSS_S_BAD_MECH); 84 } 85