17c478bd9Sstevel@tonic-gate /* 2*ba7b222eSGlenn Barry * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 37c478bd9Sstevel@tonic-gate * Use is subject to license terms. 47c478bd9Sstevel@tonic-gate */ 57c478bd9Sstevel@tonic-gate /* 67c478bd9Sstevel@tonic-gate * Copyright 1993 by OpenVision Technologies, Inc. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * Permission to use, copy, modify, distribute, and sell this software 97c478bd9Sstevel@tonic-gate * and its documentation for any purpose is hereby granted without fee, 107c478bd9Sstevel@tonic-gate * provided that the above copyright notice appears in all copies and 117c478bd9Sstevel@tonic-gate * that both that copyright notice and this permission notice appear in 127c478bd9Sstevel@tonic-gate * supporting documentation, and that the name of OpenVision not be used 137c478bd9Sstevel@tonic-gate * in advertising or publicity pertaining to distribution of the software 147c478bd9Sstevel@tonic-gate * without specific, written prior permission. OpenVision makes no 157c478bd9Sstevel@tonic-gate * representations about the suitability of this software for any 167c478bd9Sstevel@tonic-gate * purpose. It is provided "as is" without express or implied warranty. 177c478bd9Sstevel@tonic-gate * 187c478bd9Sstevel@tonic-gate * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 197c478bd9Sstevel@tonic-gate * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 207c478bd9Sstevel@tonic-gate * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR 217c478bd9Sstevel@tonic-gate * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF 227c478bd9Sstevel@tonic-gate * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR 237c478bd9Sstevel@tonic-gate * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 247c478bd9Sstevel@tonic-gate * PERFORMANCE OF THIS SOFTWARE. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 27ab9b2e15Sgtb #include "gssapiP_krb5.h" 28ab9b2e15Sgtb #include "mglueP.h" /* SUNW15resync - for KGSS_ macros */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 31159d09a2SMark Phalan * $Id: delete_sec_context.c 18396 2006-07-25 20:29:43Z lxs $ 327c478bd9Sstevel@tonic-gate */ 337c478bd9Sstevel@tonic-gate 34ab9b2e15Sgtb 357c478bd9Sstevel@tonic-gate #ifdef _KERNEL 36ab9b2e15Sgtb /* SUNW15resync - todo - unify these kernel rel oid funcs with user spc ones */ 37ab9b2e15Sgtb 38ab9b2e15Sgtb OM_uint32 39ab9b2e15Sgtb krb5_gss_internal_release_oid(minor_status, oid) 40ab9b2e15Sgtb OM_uint32 *minor_status; 41ab9b2e15Sgtb gss_OID *oid; 427c478bd9Sstevel@tonic-gate { 43ab9b2e15Sgtb /* 44ab9b2e15Sgtb * This function only knows how to release internal OIDs. It will 45ab9b2e15Sgtb * return GSS_S_CONTINUE_NEEDED for any OIDs it does not recognize. 46ab9b2e15Sgtb */ 47ab9b2e15Sgtb 48ab9b2e15Sgtb if ((*oid != gss_mech_krb5) && 49ab9b2e15Sgtb (*oid != gss_mech_krb5_old) && 50ab9b2e15Sgtb (*oid != gss_mech_krb5_wrong) && 51ab9b2e15Sgtb (*oid != gss_nt_krb5_name) && 52ab9b2e15Sgtb (*oid != gss_nt_krb5_principal)) { 53ab9b2e15Sgtb /* We don't know about this OID */ 54ab9b2e15Sgtb return(GSS_S_CONTINUE_NEEDED); 55ab9b2e15Sgtb } 56ab9b2e15Sgtb else { 57ab9b2e15Sgtb *oid = GSS_C_NO_OID; 58ab9b2e15Sgtb *minor_status = 0; 59ab9b2e15Sgtb return(GSS_S_COMPLETE); 60ab9b2e15Sgtb } 61ab9b2e15Sgtb } 627c478bd9Sstevel@tonic-gate 63ab9b2e15Sgtb OM_uint32 64ab9b2e15Sgtb generic_gss_release_oid(minor_status, oid) 65ab9b2e15Sgtb OM_uint32 *minor_status; 66ab9b2e15Sgtb gss_OID *oid; 67ab9b2e15Sgtb { 68ab9b2e15Sgtb if (minor_status) 69ab9b2e15Sgtb *minor_status = 0; 70ab9b2e15Sgtb 71ab9b2e15Sgtb if (*oid == GSS_C_NO_OID) 72ab9b2e15Sgtb return(GSS_S_COMPLETE); 73ab9b2e15Sgtb 74ab9b2e15Sgtb 75ab9b2e15Sgtb if ((*oid != GSS_C_NT_USER_NAME) && 76ab9b2e15Sgtb (*oid != GSS_C_NT_MACHINE_UID_NAME) && 77ab9b2e15Sgtb (*oid != GSS_C_NT_STRING_UID_NAME) && 78ab9b2e15Sgtb (*oid != GSS_C_NT_HOSTBASED_SERVICE) && 79ab9b2e15Sgtb (*oid != GSS_C_NT_ANONYMOUS) && 80ab9b2e15Sgtb (*oid != GSS_C_NT_EXPORT_NAME) && 81ab9b2e15Sgtb (*oid != gss_nt_service_name)) { 82ab9b2e15Sgtb FREE((*oid)->elements, (*oid)->length); 83ab9b2e15Sgtb FREE(*oid, sizeof(gss_OID_desc)); 84ab9b2e15Sgtb } 85ab9b2e15Sgtb *oid = GSS_C_NO_OID; 86ab9b2e15Sgtb return(GSS_S_COMPLETE); 87ab9b2e15Sgtb } 887c478bd9Sstevel@tonic-gate 89ab9b2e15Sgtb OM_uint32 90ab9b2e15Sgtb krb5_gss_release_oid(minor_status, oid) 91ab9b2e15Sgtb OM_uint32 *minor_status; 92ab9b2e15Sgtb gss_OID *oid; 93ab9b2e15Sgtb { 947c478bd9Sstevel@tonic-gate 95ab9b2e15Sgtb if (krb5_gss_internal_release_oid(minor_status, oid) != GSS_S_COMPLETE) { 96ab9b2e15Sgtb /* Pawn it off on the generic routine */ 97ab9b2e15Sgtb return(generic_gss_release_oid(minor_status, oid)); 98ab9b2e15Sgtb } 99ab9b2e15Sgtb else { 100ab9b2e15Sgtb *oid = GSS_C_NO_OID; 101ab9b2e15Sgtb *minor_status = 0; 102ab9b2e15Sgtb return(GSS_S_COMPLETE); 103ab9b2e15Sgtb } 1047c478bd9Sstevel@tonic-gate } 105ab9b2e15Sgtb #endif 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1087c478bd9Sstevel@tonic-gate OM_uint32 109ab9b2e15Sgtb krb5_gss_delete_sec_context(minor_status, 110ab9b2e15Sgtb context_handle, 111ab9b2e15Sgtb output_token 1127c478bd9Sstevel@tonic-gate #ifdef _KERNEL 113ab9b2e15Sgtb , gssd_ctx_verifier 1147c478bd9Sstevel@tonic-gate #endif 115ab9b2e15Sgtb ) 1167c478bd9Sstevel@tonic-gate OM_uint32 *minor_status; 1177c478bd9Sstevel@tonic-gate gss_ctx_id_t *context_handle; 1187c478bd9Sstevel@tonic-gate gss_buffer_t output_token; 1197c478bd9Sstevel@tonic-gate #ifdef _KERNEL 120ab9b2e15Sgtb OM_uint32 gssd_ctx_verifier; 1217c478bd9Sstevel@tonic-gate #endif 1227c478bd9Sstevel@tonic-gate { 123ab9b2e15Sgtb krb5_context context; 1247c478bd9Sstevel@tonic-gate krb5_gss_ctx_id_rec *ctx; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate if (output_token) { 1277c478bd9Sstevel@tonic-gate output_token->length = 0; 1287c478bd9Sstevel@tonic-gate output_token->value = NULL; 1297c478bd9Sstevel@tonic-gate } 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate /*SUPPRESS 29*/ 1327c478bd9Sstevel@tonic-gate if (*context_handle == GSS_C_NO_CONTEXT) { 1337c478bd9Sstevel@tonic-gate *minor_status = 0; 134ab9b2e15Sgtb return(GSS_S_COMPLETE); 1357c478bd9Sstevel@tonic-gate } 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate /*SUPPRESS 29*/ 1387c478bd9Sstevel@tonic-gate /* validate the context handle */ 1397c478bd9Sstevel@tonic-gate if (! kg_validate_ctx_id(*context_handle)) { 1407c478bd9Sstevel@tonic-gate *minor_status = (OM_uint32) G_VALIDATE_FAILED; 141ab9b2e15Sgtb return(GSS_S_NO_CONTEXT); 1427c478bd9Sstevel@tonic-gate } 1437c478bd9Sstevel@tonic-gate 144ab9b2e15Sgtb ctx = (krb5_gss_ctx_id_t) *context_handle; 145ab9b2e15Sgtb context = ctx->k5_context; 146ab9b2e15Sgtb 1477c478bd9Sstevel@tonic-gate /* construct a delete context token if necessary */ 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate if (output_token) { 150ab9b2e15Sgtb OM_uint32 major; 1517c478bd9Sstevel@tonic-gate gss_buffer_desc empty; 1527c478bd9Sstevel@tonic-gate empty.length = 0; empty.value = NULL; 1537c478bd9Sstevel@tonic-gate 154ab9b2e15Sgtb if ((major = kg_seal(minor_status, *context_handle, 0, 1557c478bd9Sstevel@tonic-gate GSS_C_QOP_DEFAULT, 1567c478bd9Sstevel@tonic-gate &empty, NULL, output_token, KG_TOK_DEL_CTX))) 157ab9b2e15Sgtb return(major); 1587c478bd9Sstevel@tonic-gate } 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate /* invalidate the context handle */ 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate (void)kg_delete_ctx_id(*context_handle); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* free all the context state */ 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate if (ctx->seqstate) 1677c478bd9Sstevel@tonic-gate g_order_free(&(ctx->seqstate)); 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate if (ctx->enc) 1707c478bd9Sstevel@tonic-gate krb5_free_keyblock(context, ctx->enc); 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate if (ctx->seq) 1737c478bd9Sstevel@tonic-gate krb5_free_keyblock(context, ctx->seq); 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate if (ctx->here) 1767c478bd9Sstevel@tonic-gate krb5_free_principal(context, ctx->here); 1777c478bd9Sstevel@tonic-gate if (ctx->there) 1787c478bd9Sstevel@tonic-gate krb5_free_principal(context, ctx->there); 1797c478bd9Sstevel@tonic-gate if (ctx->subkey) 1807c478bd9Sstevel@tonic-gate krb5_free_keyblock(context, ctx->subkey); 1817c478bd9Sstevel@tonic-gate if (ctx->acceptor_subkey) 182ab9b2e15Sgtb krb5_free_keyblock(context, ctx->acceptor_subkey); 1837c478bd9Sstevel@tonic-gate 184ab9b2e15Sgtb /* We never import the auth_context into the kernel */ 1857c478bd9Sstevel@tonic-gate #ifndef _KERNEL 1867c478bd9Sstevel@tonic-gate if (ctx->auth_context) { 187ab9b2e15Sgtb if (ctx->cred_rcache) 188ab9b2e15Sgtb (void)krb5_auth_con_setrcache(context, ctx->auth_context, NULL); 189ab9b2e15Sgtb 1907c478bd9Sstevel@tonic-gate krb5_auth_con_free(context, ctx->auth_context); 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate #endif 1937c478bd9Sstevel@tonic-gate 194ab9b2e15Sgtb if (ctx->mech_used) 195ab9b2e15Sgtb (void) KGSS_RELEASE_OID(minor_status, &ctx->mech_used); 196159d09a2SMark Phalan 197*ba7b222eSGlenn Barry if (ctx->authdata) 198*ba7b222eSGlenn Barry krb5_free_authdata(context, ctx->authdata); 199*ba7b222eSGlenn Barry 200ab9b2e15Sgtb if (ctx->k5_context) 201ab9b2e15Sgtb krb5_free_context(ctx->k5_context); 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate /* Zero out context */ 2047c478bd9Sstevel@tonic-gate (void) memset(ctx, 0, sizeof(*ctx)); 2057c478bd9Sstevel@tonic-gate xfree_wrap(ctx, sizeof (krb5_gss_ctx_id_rec)); 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate /* zero the handle itself */ 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate *context_handle = GSS_C_NO_CONTEXT; 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate *minor_status = 0; 212ab9b2e15Sgtb return(GSS_S_COMPLETE); 2137c478bd9Sstevel@tonic-gate } 214