1/* 2 * Copyright (c) 2006 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "gssdigest.h" 37 38/* 39 * Allocate a scram context handle for the first provider that 40 * is up and running. 41 */ 42OM_uint32 43_gss_scram_allocate_ctx(OM_uint32 *minor_status, const char *domain, scram_id_t *ctx) 44{ 45 scram_id_t c; 46 47 *ctx = NULL; 48 49 c = calloc(1, sizeof(*c)); 50 if (c == NULL) { 51 *minor_status = ENOMEM; 52 return GSS_S_FAILURE; 53 } 54 55 *ctx = c; 56 57 return GSS_S_COMPLETE; 58 59} 60 61/* 62 * 63 */ 64 65OM_uint32 66_gss_scram_accept_sec_context 67(OM_uint32 * minor_status, 68 gss_ctx_id_t * context_handle, 69 const gss_cred_id_t acceptor_cred_handle, 70 const gss_buffer_t input_token_buffer, 71 const gss_channel_bindings_t input_chan_bindings, 72 gss_name_t * src_name, 73 gss_OID * mech_type, 74 gss_buffer_t output_token, 75 OM_uint32 * ret_flags, 76 OM_uint32 * time_rec, 77 gss_cred_id_t * delegated_cred_handle 78 ) 79{ 80 *minor_status = 0; 81 82 if (context_handle == NULL) 83 return GSS_S_FAILURE; 84 85 if (src_name) 86 *src_name = GSS_C_NO_NAME; 87 if (mech_type) 88 *mech_type = GSS_C_NO_OID; 89 if (ret_flags) 90 *ret_flags = 0; 91 if (time_rec) 92 *time_rec = 0; 93 if (delegated_cred_handle) 94 *delegated_cred_handle = GSS_C_NO_CREDENTIAL; 95 96#if 0 97 if (*context_handle == GSS_C_NO_CONTEXT) { 98 OM_uint32 major_status; 99 OM_uint32 retflags = 0; 100 101 _gss_mg_log(10, "scram-asc-s1"); 102 103 major_status = _gss_scram_allocate_ctx(minor_status, NULL, &ctx); 104 if (major_status) 105 return major_status; 106 *context_handle = (gss_ctx_id_t)ctx; 107 108 ctx->flags = retflags; 109 110 return GSS_S_CONTINUE_NEEDED; 111 } else { 112 OM_uint32 maj_stat; 113 size_t i; 114 115 if (input_token_buffer == GSS_C_NO_BUFFER) 116 return GSS_S_FAILURE; 117 118 ctx = (scram_id_t)*context_handle; 119 120 data.data = input_token_buffer->value; 121 data.length = input_token_buffer->length; 122 123 ctx->client = strdup("lha"); 124 125 126 _gss_mg_log(10, "scram-asc-s2"); 127 128 if (src_name) 129 *src_name = (gss_name_t)strdup(ctx->client); 130 131 if (mech_type) 132 *mech_type = GSS_SCRAM_MECHANISM; 133 if (time_rec) 134 *time_rec = GSS_C_INDEFINITE; 135 136 ctx->status |= STATUS_OPEN; 137 138 if (ret_flags) 139 *ret_flags = ctx->flags; 140 141 return GSS_S_FAILURE; 142 } 143#else 144 return GSS_S_FAILURE; 145#endif 146} 147