1 /* #pragma ident "@(#)g_sign.c 1.14 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 gss_get_mic 27 */ 28 29 #include "mglueP.h" 30 31 static OM_uint32 32 val_get_mic_args( 33 OM_uint32 *minor_status, 34 gss_ctx_id_t context_handle, 35 gss_qop_t qop_req, 36 gss_buffer_t message_buffer, 37 gss_buffer_t msg_token) 38 { 39 40 /* Initialize outputs. */ 41 42 if (minor_status != NULL) 43 *minor_status = 0; 44 45 if (msg_token != GSS_C_NO_BUFFER) { 46 msg_token->value = NULL; 47 msg_token->length = 0; 48 } 49 50 /* Validate arguments. */ 51 52 if (minor_status == NULL) 53 return (GSS_S_CALL_INACCESSIBLE_WRITE); 54 55 if (context_handle == GSS_C_NO_CONTEXT) 56 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 57 58 if (message_buffer == GSS_C_NO_BUFFER) 59 return (GSS_S_CALL_INACCESSIBLE_READ); 60 61 if (msg_token == GSS_C_NO_BUFFER) 62 return (GSS_S_CALL_INACCESSIBLE_WRITE); 63 64 return (GSS_S_COMPLETE); 65 } 66 67 68 OM_uint32 KRB5_CALLCONV 69 gss_get_mic(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 70 gss_qop_t qop_req, gss_buffer_t message_buffer, 71 gss_buffer_t msg_token) 72 { 73 OM_uint32 status; 74 gss_union_ctx_id_t ctx; 75 gss_mechanism mech; 76 77 status = val_get_mic_args(minor_status, context_handle, 78 qop_req, message_buffer, msg_token); 79 if (status != GSS_S_COMPLETE) 80 return (status); 81 82 /* 83 * select the approprate underlying mechanism routine and 84 * call it. 85 */ 86 87 ctx = (gss_union_ctx_id_t) context_handle; 88 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 89 return (GSS_S_NO_CONTEXT); 90 mech = gssint_get_mechanism (ctx->mech_type); 91 92 if (mech) { 93 if (mech->gss_get_mic) { 94 status = mech->gss_get_mic( 95 minor_status, 96 ctx->internal_ctx_id, 97 qop_req, 98 message_buffer, 99 msg_token); 100 if (status != GSS_S_COMPLETE) 101 map_error(minor_status, mech); 102 } else 103 status = GSS_S_UNAVAILABLE; 104 105 return(status); 106 } 107 108 return (GSS_S_BAD_MECH); 109 } 110 111 OM_uint32 KRB5_CALLCONV 112 gss_sign(OM_uint32 *minor_status, gss_ctx_id_t context_handle, int qop_req, 113 gss_buffer_t message_buffer, gss_buffer_t msg_token) 114 { 115 return (gss_get_mic(minor_status, context_handle, (gss_qop_t) qop_req, 116 message_buffer, msg_token)); 117 } 118