www.project-moonshot.org Git - mech_eap.orig/blob - set_cred_option.c

   1 /*
   2  * Copyright (c) 2010, JANET(UK)
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of JANET(UK) nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include "gssapiP_eap.h"
  34
  35 static OM_uint32
  36 setCredRadiusConfig(OM_uint32 *minor,
  37                     gss_cred_id_t cred,
  38                     const gss_OID oid,
  39                     const gss_buffer_t buffer)
  40 {
  41     OM_uint32 major;
  42     gss_buffer_desc configFileBuffer = GSS_C_EMPTY_BUFFER;
  43
  44     if (buffer != GSS_C_NO_BUFFER && buffer->length != 0) {
  45         major = duplicateBuffer(minor, buffer, &configFileBuffer);
  46         if (GSS_ERROR(major))
  47             return major;
  48     }
  49
  50     if (cred->radiusConfigFile != NULL)
  51         GSSEAP_FREE(cred->radiusConfigFile);
  52
  53     cred->radiusConfigFile = (char *)configFileBuffer.value;
  54
  55     *minor = 0;
  56     return GSS_S_COMPLETE;
  57 }
  58
  59 static OM_uint32
  60 setCredFlag(OM_uint32 *minor,
  61             gss_cred_id_t cred,
  62             const gss_OID oid,
  63             const gss_buffer_t buffer)
  64 {
  65     OM_uint32 flags;
  66     unsigned char *p;
  67
  68     if (buffer == GSS_C_NO_BUFFER || buffer->length < 4) {
  69         *minor = EINVAL;
  70         return GSS_S_FAILURE;
  71     }
  72
  73     p = (unsigned char *)buffer->value;
  74
  75     flags = load_uint32_be(buffer->value) & CRED_FLAG_PUBLIC_MASK;
  76
  77     if (buffer->length > 4 && p[4])
  78         cred->flags &= ~(flags);
  79     else
  80         cred->flags |= flags;
  81
  82     *minor = 0;
  83     return GSS_S_COMPLETE;
  84 }
  85
  86 static struct {
  87     gss_OID_desc oid;
  88     OM_uint32 (*setOption)(OM_uint32 *, gss_cred_id_t cred,
  89                            const gss_OID, const gss_buffer_t);
  90 } setCredOps[] = {
  91     /* 1.3.6.1.4.1.5322.21.3.3.1 */
  92     {
  93         { 11, "\x2B\x06\x01\x04\x01\xA9\x4A\x15\x03\x03\x01" },
  94         setCredRadiusConfig,
  95     },
  96     /* 1.3.6.1.4.1.5322.21.3.3.2 */
  97     {
  98         { 11, "\x2B\x06\x01\x04\x01\xA9\x4A\x15\x03\x03\x02" },
  99         setCredFlag,
 100     },
 101 };
 102
 103 gss_OID GSS_EAP_CRED_SET_RADIUS_CONFIG = &setCredOps[0].oid;
 104 gss_OID GSS_EAP_CRED_SET_CRED_FLAG     = &setCredOps[1].oid;
 105
 106 OM_uint32
 107 gssspi_set_cred_option(OM_uint32 *minor,
 108                        gss_cred_id_t *cred,
 109                        const gss_OID desired_object,
 110                        const gss_buffer_t value)
 111 {
 112     OM_uint32 major = GSS_S_UNAVAILABLE;
 113     int i;
 114
 115     if (*cred == GSS_C_NO_CREDENTIAL)
 116         return GSS_S_UNAVAILABLE;
 117
 118     for (i = 0; i < sizeof(setCredOps) / sizeof(setCredOps[0]); i++) {
 119         if (oidEqual(&setCredOps[i].oid, desired_object)) {
 120             major = (*setCredOps[i].setOption)(minor, *cred,
 121                                               desired_object, value);
 122             break;
 123         }
 124     }
 125
 126     return major;
 127 }
 128
 129 #if 0
 130 OM_uint32
 131 gsseap_set_cred_flag(OM_uint32 *minor,
 132                      gss_cred_id_t cred,
 133                      OM_uint32 flag,
 134                      int clear)
 135 {
 136     unsigned char buf[5];
 137     gss_buffer_desc value;
 138
 139     value.length = sizeof(buf);
 140     value.value = buf;
 141
 142     store_uint32_be(flag, buf);
 143     buf[4] = (clear != 0);
 144
 145     return gssspi_set_cred_option(minor, cred,
 146                                   GSS_EAP_CRED_SET_CRED_FLAG, &value);
 147 }
 148 #endif