1 /* #pragma ident "@(#)g_seal.c 1.19 98/04/21 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_unwrap_iov 27 */ 28 29 #include "mglueP.h" 30 31 static OM_uint32 32 val_unwrap_iov_args( 33 OM_uint32 *minor_status, 34 gss_ctx_id_t context_handle, 35 int *conf_state, 36 gss_qop_t *qop_state, 37 gss_iov_buffer_desc *iov, 38 int iov_count) 39 { 40 41 /* Initialize outputs. */ 42 43 if (minor_status != NULL) 44 *minor_status = 0; 45 46 /* Validate arguments. */ 47 48 if (minor_status == NULL) 49 return (GSS_S_CALL_INACCESSIBLE_WRITE); 50 51 if (context_handle == GSS_C_NO_CONTEXT) 52 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 53 54 if (iov == GSS_C_NO_IOV_BUFFER) 55 return (GSS_S_CALL_INACCESSIBLE_READ); 56 57 return (GSS_S_COMPLETE); 58 } 59 60 61 OM_uint32 KRB5_CALLCONV 62 gss_unwrap_iov(OM_uint32 * minor_status, gss_ctx_id_t context_handle, 63 int *conf_state, gss_qop_t *qop_state, 64 gss_iov_buffer_desc *iov, int iov_count) 65 { 66 /* EXPORT DELETE START */ 67 68 OM_uint32 status; 69 gss_union_ctx_id_t ctx; 70 gss_mechanism mech; 71 72 status = val_unwrap_iov_args(minor_status, context_handle, 73 conf_state, qop_state, iov, iov_count); 74 if (status != GSS_S_COMPLETE) 75 return (status); 76 77 /* 78 * select the approprate underlying mechanism routine and 79 * call it. 80 */ 81 82 ctx = (gss_union_ctx_id_t) context_handle; 83 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 84 return (GSS_S_NO_CONTEXT); 85 mech = gssint_get_mechanism (ctx->mech_type); 86 87 if (mech) { 88 if (mech->gss_unwrap_iov) { 89 status = mech->gss_unwrap_iov( 90 minor_status, 91 ctx->internal_ctx_id, 92 conf_state, 93 qop_state, 94 iov, 95 iov_count); 96 if (status != GSS_S_COMPLETE) 97 map_error(minor_status, mech); 98 } else 99 status = GSS_S_UNAVAILABLE; 100 101 return(status); 102 } 103 /* EXPORT DELETE END */ 104 105 return (GSS_S_BAD_MECH); 106 } 107 108 OM_uint32 KRB5_CALLCONV 109 gss_verify_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 110 gss_qop_t *qop_state, gss_iov_buffer_desc *iov, 111 int iov_count) 112 { 113 OM_uint32 status; 114 gss_union_ctx_id_t ctx; 115 gss_mechanism mech; 116 117 status = val_unwrap_iov_args(minor_status, context_handle, NULL, 118 qop_state, iov, iov_count); 119 if (status != GSS_S_COMPLETE) 120 return status; 121 122 /* Select the approprate underlying mechanism routine and call it. */ 123 ctx = (gss_union_ctx_id_t)context_handle; 124 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 125 return GSS_S_NO_CONTEXT; 126 mech = gssint_get_mechanism(ctx->mech_type); 127 if (mech == NULL) 128 return GSS_S_BAD_MECH; 129 if (mech->gss_verify_mic_iov == NULL) 130 return GSS_S_UNAVAILABLE; 131 status = mech->gss_verify_mic_iov(minor_status, ctx->internal_ctx_id, 132 qop_state, iov, iov_count); 133 if (status != GSS_S_COMPLETE) 134 map_error(minor_status, mech); 135 return status; 136 } 137