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_wrap_iov 27 */ 28 29 #include "mglueP.h" 30 31 static OM_uint32 32 val_wrap_iov_args( 33 OM_uint32 *minor_status, 34 gss_ctx_id_t context_handle, 35 int conf_req_flag, 36 gss_qop_t qop_req, 37 int *conf_state, 38 gss_iov_buffer_desc *iov, 39 int iov_count) 40 { 41 42 /* Initialize outputs. */ 43 44 if (minor_status != NULL) 45 *minor_status = 0; 46 47 /* Validate arguments. */ 48 49 if (minor_status == NULL) 50 return (GSS_S_CALL_INACCESSIBLE_WRITE); 51 52 if (context_handle == GSS_C_NO_CONTEXT) 53 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 54 55 if (iov == GSS_C_NO_IOV_BUFFER) 56 return (GSS_S_CALL_INACCESSIBLE_READ); 57 58 return (GSS_S_COMPLETE); 59 } 60 61 62 OM_uint32 KRB5_CALLCONV 63 gss_wrap_iov(OM_uint32 * minor_status, gss_ctx_id_t context_handle, 64 int conf_req_flag, gss_qop_t qop_req, int *conf_state, 65 gss_iov_buffer_desc *iov, int iov_count) 66 { 67 /* EXPORT DELETE START */ 68 69 OM_uint32 status; 70 gss_union_ctx_id_t ctx; 71 gss_mechanism mech; 72 73 status = val_wrap_iov_args(minor_status, context_handle, 74 conf_req_flag, qop_req, 75 conf_state, iov, iov_count); 76 if (status != GSS_S_COMPLETE) 77 return (status); 78 79 /* 80 * select the approprate underlying mechanism routine and 81 * call it. 82 */ 83 84 ctx = (gss_union_ctx_id_t) context_handle; 85 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 86 return (GSS_S_NO_CONTEXT); 87 mech = gssint_get_mechanism (ctx->mech_type); 88 89 if (mech) { 90 if (mech->gss_wrap_iov) { 91 status = mech->gss_wrap_iov( 92 minor_status, 93 ctx->internal_ctx_id, 94 conf_req_flag, 95 qop_req, 96 conf_state, 97 iov, 98 iov_count); 99 if (status != GSS_S_COMPLETE) 100 map_error(minor_status, mech); 101 } else 102 status = GSS_S_UNAVAILABLE; 103 104 return(status); 105 } 106 /* EXPORT DELETE END */ 107 108 return (GSS_S_BAD_MECH); 109 } 110 111 OM_uint32 KRB5_CALLCONV 112 gss_wrap_iov_length(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 113 int conf_req_flag, gss_qop_t qop_req, 114 int *conf_state, gss_iov_buffer_desc *iov, 115 int iov_count) 116 { 117 /* EXPORT DELETE START */ 118 119 OM_uint32 status; 120 gss_union_ctx_id_t ctx; 121 gss_mechanism mech; 122 123 status = val_wrap_iov_args(minor_status, context_handle, 124 conf_req_flag, qop_req, 125 conf_state, iov, iov_count); 126 if (status != GSS_S_COMPLETE) 127 return (status); 128 129 /* 130 * select the approprate underlying mechanism routine and 131 * call it. 132 */ 133 134 ctx = (gss_union_ctx_id_t) context_handle; 135 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 136 return (GSS_S_NO_CONTEXT); 137 mech = gssint_get_mechanism (ctx->mech_type); 138 139 if (mech) { 140 if (mech->gss_wrap_iov_length) { 141 status = mech->gss_wrap_iov_length( 142 minor_status, 143 ctx->internal_ctx_id, 144 conf_req_flag, 145 qop_req, 146 conf_state, 147 iov, 148 iov_count); 149 if (status != GSS_S_COMPLETE) 150 map_error(minor_status, mech); 151 } else 152 status = GSS_S_UNAVAILABLE; 153 154 return(status); 155 } 156 /* EXPORT DELETE END */ 157 158 return (GSS_S_BAD_MECH); 159 } 160 161 OM_uint32 KRB5_CALLCONV 162 gss_get_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 163 gss_qop_t qop_req, gss_iov_buffer_desc *iov, int iov_count) 164 { 165 OM_uint32 status; 166 gss_union_ctx_id_t ctx; 167 gss_mechanism mech; 168 169 status = val_wrap_iov_args(minor_status, context_handle, 0, qop_req, NULL, 170 iov, iov_count); 171 if (status != GSS_S_COMPLETE) 172 return status; 173 174 /* Select the approprate underlying mechanism routine and call it. */ 175 ctx = (gss_union_ctx_id_t)context_handle; 176 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 177 return GSS_S_NO_CONTEXT; 178 mech = gssint_get_mechanism(ctx->mech_type); 179 if (mech == NULL) 180 return GSS_S_BAD_MECH; 181 if (mech->gss_get_mic_iov == NULL) 182 return GSS_S_UNAVAILABLE; 183 status = mech->gss_get_mic_iov(minor_status, ctx->internal_ctx_id, qop_req, 184 iov, iov_count); 185 if (status != GSS_S_COMPLETE) 186 map_error(minor_status, mech); 187 return status; 188 } 189 190 OM_uint32 KRB5_CALLCONV 191 gss_get_mic_iov_length(OM_uint32 *minor_status, gss_ctx_id_t context_handle, 192 gss_qop_t qop_req, gss_iov_buffer_desc *iov, 193 int iov_count) 194 { 195 OM_uint32 status; 196 gss_union_ctx_id_t ctx; 197 gss_mechanism mech; 198 199 status = val_wrap_iov_args(minor_status, context_handle, 0, qop_req, NULL, 200 iov, iov_count); 201 if (status != GSS_S_COMPLETE) 202 return status; 203 204 /* Select the approprate underlying mechanism routine and call it. */ 205 ctx = (gss_union_ctx_id_t)context_handle; 206 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT) 207 return GSS_S_NO_CONTEXT; 208 mech = gssint_get_mechanism(ctx->mech_type); 209 if (mech == NULL) 210 return GSS_S_BAD_MECH; 211 if (mech->gss_get_mic_iov_length == NULL) 212 return GSS_S_UNAVAILABLE; 213 status = mech->gss_get_mic_iov_length(minor_status, ctx->internal_ctx_id, 214 qop_req, iov, iov_count); 215 if (status != GSS_S_COMPLETE) 216 map_error(minor_status, mech); 217 return status; 218 } 219 220 OM_uint32 KRB5_CALLCONV 221 gss_release_iov_buffer(OM_uint32 * minor_status, gss_iov_buffer_desc *iov, 222 int iov_count) 223 { 224 OM_uint32 status = GSS_S_COMPLETE; 225 int i; 226 227 if (minor_status) 228 *minor_status = 0; 229 230 if (iov == GSS_C_NO_IOV_BUFFER) 231 return GSS_S_COMPLETE; 232 233 for (i = 0; i < iov_count; i++) { 234 if (iov[i].type & GSS_IOV_BUFFER_FLAG_ALLOCATED) { 235 status = gss_release_buffer(minor_status, &iov[i].buffer); 236 if (status != GSS_S_COMPLETE) 237 break; 238 239 iov[i].type &= ~(GSS_IOV_BUFFER_FLAG_ALLOCATED); 240 } 241 } 242 243 return status; 244 } 245