renamed openair-cn to openair3

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2015-10-06 16:53:42 +00:00
parent c7518ecf42
commit 7b5431a62c
705 changed files with 206 additions and 208 deletions
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2015, EURECOM (www.eurecom.fr)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those
+ * of the authors and should not be interpreted as representing official policies,
+ * either expressed or implied, of the FreeBSD Project.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+#include "UeSecurityCapability.h"
+
+int decode_ue_security_capability(UeSecurityCapability *uesecuritycapability, uint8_t iei, uint8_t *buffer, uint32_t len)
+{
+  int decoded = 0;
+  uint8_t ielen = 0;
+
+  if (iei > 0) {
+    CHECK_IEI_DECODER(iei, *buffer);
+    decoded++;
+  }
+
+  memset(uesecuritycapability, 0, sizeof(UeSecurityCapability));
+  ielen = *(buffer + decoded);
+  decoded++;
+  CHECK_LENGTH_DECODER(len - decoded, ielen);
+  uesecuritycapability->eea = *(buffer + decoded);
+  decoded++;
+  uesecuritycapability->eia = *(buffer + decoded);
+  decoded++;
+
+  if (len >= decoded + 3) {
+    uesecuritycapability->umts_present = 1;
+    uesecuritycapability->uea = *(buffer + decoded);
+    decoded++;
+    uesecuritycapability->uia = *(buffer + decoded) & 0x7f;
+    decoded++;
+
+    if (len == decoded + 4) {
+      uesecuritycapability->gprs_present = 1;
+      uesecuritycapability->gea = *(buffer + decoded) & 0x7f;
+      decoded++;
+    }
+  }
+
+#if defined (NAS_DEBUG)
+  dump_ue_security_capability_xml(uesecuritycapability, iei);
+#endif
+  return decoded;
+}
+int encode_ue_security_capability(UeSecurityCapability *uesecuritycapability, uint8_t iei, uint8_t *buffer, uint32_t len)
+{
+  uint8_t *lenPtr;
+  uint32_t encoded = 0;
+  /* Checking IEI and pointer */
+  CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, UE_SECURITY_CAPABILITY_MINIMUM_LENGTH, len);
+#if defined (NAS_DEBUG)
+  dump_ue_security_capability_xml(uesecuritycapability, iei);
+#endif
+
+  if (iei > 0) {
+    *buffer = iei;
+    encoded++;
+  }
+
+  lenPtr  = (buffer + encoded);
+  encoded ++;
+  *(buffer + encoded) = uesecuritycapability->eea;
+  encoded++;
+  *(buffer + encoded) =  uesecuritycapability->eia;
+  encoded++;
+
+  // From ETSI TS 124 301 V10.15.0 (2014-10) 9.9.3.36 Security capability:
+  // Octets 5, 6, and 7 are optional. If octet 5 is included, then also octet 6 shall be included and octet 7 may be included.
+  // If a UE did not indicate support of any security algorithm for Gb mode, octet 7 shall not be included. If the UE did not
+  // indicate support of any security algorithm for Iu mode and Gb mode, octets 5, 6, and 7 shall not be included.
+  // If the UE did not indicate support of any security algorithm for Iu mode but indicated support of a security algorithm for
+  // Gb mode, octets 5, 6, and 7 shall be included. In this case octets 5 and 6 are filled with the value of zeroes.
+  if (uesecuritycapability->umts_present) {
+    *(buffer + encoded) = uesecuritycapability->uea;
+    encoded++;
+    *(buffer + encoded) = 0x00 |
+                          (uesecuritycapability->uia & 0x7f);
+    encoded++;
+
+    if (uesecuritycapability->gprs_present) {
+      *(buffer + encoded) = 0x00 | (uesecuritycapability->gea & 0x7f);
+      encoded++;
+    }
+  } else {
+    if (uesecuritycapability->gprs_present) {
+      *(buffer + encoded) = 0x00;
+      encoded++;
+      *(buffer + encoded) = 0x00;
+      encoded++;
+      *(buffer + encoded) = 0x00 | (uesecuritycapability->gea & 0x7f);
+      encoded++;
+    }
+  }
+
+  *lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
+  return encoded;
+}
+
+void dump_ue_security_capability_xml(UeSecurityCapability *uesecuritycapability, uint8_t iei)
+{
+  printf("<Ue Security Capability>\n");
+
+  if (iei > 0)
+    /* Don't display IEI if = 0 */
+    printf("    <IEI>0x%X</IEI>\n", iei);
+
+  printf("    <EEA>%u</EEA>\n", uesecuritycapability->eea);
+  printf("    <EIA>%u</EIA>\n", uesecuritycapability->eia);
+
+  if (uesecuritycapability->umts_present == 1) {
+    printf("    <UEA>%u</UEA>\n", uesecuritycapability->uea);
+    printf("    <UIA>%u</UIA>\n", uesecuritycapability->uia);
+  }
+
+  if (uesecuritycapability->gprs_present == 1) {
+    printf("    <GEA>%u</GEA>\n", uesecuritycapability->gea);
+  }
+
+  printf("</Ue Security Capability>\n");
+}
+