1 /* #pragma ident "@(#)g_verify.c 1.13 98/04/23 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 for gss_verify_mic 27 */ 28 29 #include "mglueP.h" 30 31 OM_uint32 KRB5_CALLCONV 32 gss_verify_mic(OM_uint32 * minor_status, gss_ctx_id_t context_handle, 33 gss_buffer_t message_buffer, gss_buffer_t token_buffer, 34 gss_qop_t *qop_state) 35 { 36 OM_uint32 status; 37 gss_union_ctx_id_t ctx; 38 gss_mechanism mech; 39 40 41 if (minor_status == NULL) 42 return (GSS_S_CALL_INACCESSIBLE_WRITE); 43 *minor_status = 0; 44 45 if (context_handle == GSS_C_NO_CONTEXT) 46 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 47 48 if ((message_buffer == GSS_C_NO_BUFFER) || 49 GSS_EMPTY_BUFFER(token_buffer)) 50 51 return (GSS_S_CALL_INACCESSIBLE_READ); 52 53 /* 54 * select the approprate underlying mechanism routine and 55 * call it. 56 */ 57 58 ctx = (gss_union_ctx_id_t) context_handle; 59 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 60 return (GSS_S_NO_CONTEXT); 61 mech = gssint_get_mechanism (ctx->mech_type); 62 63 if (mech) { 64 if (mech->gss_verify_mic) { 65 status = mech->gss_verify_mic( 66 minor_status, 67 ctx->internal_ctx_id, 68 message_buffer, 69 token_buffer, 70 qop_state); 71 if (status != GSS_S_COMPLETE) 72 map_error(minor_status, mech); 73 } else 74 status = GSS_S_UNAVAILABLE; 75 76 return(status); 77 } 78 79 return (GSS_S_BAD_MECH); 80 } 81 82 OM_uint32 KRB5_CALLCONV 83 gss_verify(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 84 gss_buffer_t message_buffer, gss_buffer_t token_buffer, 85 int *qop_state) 86 { 87 return (gss_verify_mic(minor_status, context_handle, 88 message_buffer, token_buffer, 89 (gss_qop_t *) qop_state)); 90 } 91