Mercurial > hg > freeDiameter

annotate extensions/app_diameap/diameap_eappacket.c @ 1521:996823ef481c

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Rename 3GPP MBMS-Flag (931) to MBMS-Flags Note: 3GPP TS 29.061 table 20.5a.1 row MBMS-Flag (931) has incorrect name and should be "MBMS-Flags" per clause 20.5a.9. Fix: MBMS-Flag (931) renamed to MBMS-Flags (931).
author Luke Mewburn <luke@mewburn.net>
date Fri, 17 Apr 2020 14:21:19 +1000
parents 0117a7746b21
children
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1 /*****************************************************************************************************
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2 * Software License Agreement (BSD License)
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3 * Author : Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
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4 *
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5 * Copyright (c) 2009-2010, Souheil Ben Ayed, Teraoka Laboratory of Keio University, and the WIDE Project
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6 * All rights reserved.
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7 *
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8 * Redistribution and use of this software in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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10 *
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11 * 1. Redistributions of source code must retain the above copyright
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12 * notice, this list of conditions and the following disclaimer.
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13 *
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14 * 2. Redistributions in binary form must reproduce the above copyright
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15 * notice, this list of conditions and the following disclaimer in the
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16 * documentation and/or other materials provided with the distribution.
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17 *
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18 * 3. All advertising materials mentioning features or use of this software
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19 * must display the following acknowledgement:
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20 * This product includes software developed by Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>.
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21 *
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22 * 4. Neither the name of Souheil Ben Ayed, Teraoka Laboratory of Keio University or the WIDE Project nor the
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23 * names of its contributors may be used to endorse or promote products
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24 * derived from this software without specific prior written permission.
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25 *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' AND ANY
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27 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
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30 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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36 *****************************************************************************************************/
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37
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38
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39 #include "libdiameap.h"
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40
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41 int diameap_eap_get_code(struct eap_packet *eappacket, eap_code * eapcode)
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42 {
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43 TRACE_ENTRY("%p %p",eappacket,eapcode);
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44
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45 if (eappacket->data == NULL)
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46 {
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47 *eapcode = ERROR;
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48 TRACE_DEBUG(INFO,"%sEmpty data in EAP packet: no EAP Code to return.",DIAMEAP_EXTENSION);
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49 return EINVAL;
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50 }
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51 if (eappacket->length < 1)
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52 {
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53 *eapcode = ERROR;
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54 TRACE_DEBUG(INFO,"%sEAP packet length %d : no EAP Code to return.",DIAMEAP_EXTENSION, eappacket->length);
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55 return EINVAL;
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56 }
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57 *eapcode = G8(eappacket->data);
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58 return 0;
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59 }
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60
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61 int diameap_eap_get_identifier(struct eap_packet *eappacket, u8 * identifier)
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62 {
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63 TRACE_ENTRY("%p %p",eappacket,identifier);
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64 *identifier = 0;
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65 if (eappacket->data == NULL)
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66 {
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67 TRACE_DEBUG(INFO,"%sEmpty data in EAP packet: no Identifier field to return.",DIAMEAP_EXTENSION);
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68 return EINVAL;
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69 }
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70 if (eappacket->length < 2)
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71 {
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72 TRACE_DEBUG(INFO,"%sEAP packet length %d : no Identifier field to return.",DIAMEAP_EXTENSION, eappacket->length);
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73 return EINVAL;
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74 }
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75 *identifier = G8(eappacket->data + 1);
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76 return 0;
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77 }
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78
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79 int diameap_eap_get_length(struct eap_packet *eappacket, u16 *length)
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80 {
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81 TRACE_ENTRY("%p %p",eappacket,length);
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82 *length = 0;
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83
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84 if (eappacket->data == NULL)
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85 {
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86 TRACE_DEBUG(INFO,"%sEmpty data in EAP packet: no Length field to return.",DIAMEAP_EXTENSION);
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87 return EINVAL;
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88 }
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89 if (eappacket->ulength < 4)
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90 {
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91 TRACE_DEBUG(INFO,"%sEAP packet length %d : no Length field to return.",DIAMEAP_EXTENSION, eappacket->length);
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92 return EINVAL;
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93 }
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94 *length = (u16) G16BIGE((eappacket->data + 2));
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95 return 0;
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96 }
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97
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98 int diameap_eap_get_packetlength(struct eap_packet *eappacket, u16 *length)
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99 {
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100 TRACE_ENTRY("%p %p",eappacket,length);
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101 if (eappacket->data == NULL)
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102 {
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103 TRACE_DEBUG(INFO,"%sEmpty data in EAP packet: no Length field to return.",DIAMEAP_EXTENSION);
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104 return EINVAL;
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105 }
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106 *length = eappacket->ulength;
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107 return 0;
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108 }
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109
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110 int diameap_eap_get_type(struct eap_packet *eappacket, eap_type * eaptype)
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111 {
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112 TRACE_ENTRY("%p %p",eappacket,eaptype);
0c6e50a5291d New app_diameap Diameter EAP Application
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diff changeset
113 *eaptype = 0;
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parents:
diff changeset
114
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diff changeset
115 if (eappacket->data == NULL)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
116 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
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diff changeset
117 TRACE_DEBUG(INFO,"%sEmpty data in EAP packet: no EAP Type field to return.",DIAMEAP_EXTENSION);
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
118 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
119 }
1027
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Sebastien Decugis <sdecugis@freediameter.net>
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diff changeset
120 if (eappacket->length < 5)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
121 {
1027
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parents: 974
diff changeset
122 TRACE_DEBUG(INFO,"%sEAP packet length %d : no EAP Type field to return.",DIAMEAP_EXTENSION, eappacket->length);
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
123 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
124 }
1027
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Sebastien Decugis <sdecugis@freediameter.net>
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diff changeset
125 *eaptype = (u32) G8(eappacket->data + 4);
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
126 return 0;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
127 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
128
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
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diff changeset
129 boolean diameap_eap_check_code(eap_code code)
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
130 {
1027
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diff changeset
131 TRACE_ENTRY("%d",code);
425
0c6e50a5291d New app_diameap Diameter EAP Application
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diff changeset
132 if (code != EAP_REQUEST && code != EAP_RESPONSE && code != EAP_SUCCESS
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
133 && code != EAP_FAILURE)
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
134 {
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
135 TRACE_DEBUG(FULL,"%sIncorrect EAP Code (%d).",DIAMEAP_EXTENSION,code);
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
136 return FALSE;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
137 }
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
138 return TRUE;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
139 }
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
140
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diff changeset
141 int diameap_eap_get_packetdata(struct eap_packet *eappacket, u8 ** data,
425
0c6e50a5291d New app_diameap Diameter EAP Application
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diff changeset
142 int *len)
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
143 {
0c6e50a5291d New app_diameap Diameter EAP Application
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diff changeset
144 TRACE_ENTRY("%p %p",eappacket,data);
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diff changeset
145 if (eappacket->length > 0)
425
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parents:
diff changeset
146 {
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diff changeset
147 *data = malloc(sizeof(u8) * eappacket->length);
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148 U8COPY(*data,0,eappacket->length,eappacket->data);
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149 *len = eappacket->length;
425
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diff changeset
150 return 0;
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parents:
diff changeset
151 }
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diff changeset
152 TRACE_DEBUG(INFO,"%sEAP packet length=%d: empty or wrong EAP Packet.",DIAMEAP_EXTENSION, eappacket->length);
425
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diff changeset
153 *data = NULL;
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parents:
diff changeset
154 *len = 0;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
155 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
156 }
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parents:
diff changeset
157
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diff changeset
158 int diameap_eap_get_data(struct eap_packet *eappacket, u8 ** data, int * len)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
159 {
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
160 TRACE_ENTRY("%p %p",eappacket,data);
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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parents: 974
diff changeset
161 if (eappacket->length > 5)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
162 {
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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diff changeset
163 CHECK_MALLOC( *data = malloc(sizeof(u8) * (eappacket->length - 5)) );
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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parents: 974
diff changeset
164 U8COPY(*data,0,(eappacket->length-5),(eappacket->data+5));
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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diff changeset
165 *len = eappacket->length - 5;
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
166 return 0;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
167 }
1027
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diff changeset
168 TRACE_DEBUG(INFO,"%sEAP packet length=%d: empty or wrong EAP Packet.",DIAMEAP_EXTENSION, eappacket->length);
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
169 *data = NULL;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
170 *len = 0;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
171
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
172 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
173 }
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
174
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diff changeset
175 void diameap_eap_dump(int level, struct eap_packet *eappacket)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
176 {
1027
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parents: 974
diff changeset
177 TRACE_ENTRY("%d %p",level,eappacket);
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
178 if (!TRACE_BOOL(level))
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
179 return;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
180
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0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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diff changeset
181 if (eappacket->data == NULL)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
182 return;
1027
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diff changeset
183 if (eappacket->length < 5)
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
184 return;
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
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parents: 974
diff changeset
185 if (eappacket->ulength < 5)
425
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parents:
diff changeset
186 return;
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parents:
diff changeset
187
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
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parents: 425
diff changeset
188 fd_log_debug("------------- Dump EAP Packet-------------");
425
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parents:
diff changeset
189 int i;
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
190 fd_log_debug("\t -Code : ");
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parents:
diff changeset
191 eap_code code;
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parents:
diff changeset
192 CHECK_FCT_DO(diameap_eap_get_code(eappacket,&code),return);
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parents:
diff changeset
193 switch (code)
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
194 {
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
195 case 1:
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parents: 425
diff changeset
196 fd_log_debug("Request");
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
197 break;
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parents:
diff changeset
198 case 2:
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parents: 425
diff changeset
199 fd_log_debug("Response");
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
200 break;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
201 case 3:
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
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parents: 425
diff changeset
202 fd_log_debug("Success");
425
0c6e50a5291d New app_diameap Diameter EAP Application
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parents:
diff changeset
203 break;
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parents:
diff changeset
204 case 4:
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
205 fd_log_debug("Failure");
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
206 break;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
207 default:
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
208 fd_log_debug("Error (EAP Code value [%d] not allowed)",code);
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
209 break;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
210 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
211 u8 id;
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Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
212 CHECK_FCT_DO(diameap_eap_get_identifier(eappacket,&id),return);
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
213 fd_log_debug("\t -Identifier : %x ", id);
425
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Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
214 u16 length;
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Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
215 CHECK_FCT_DO(diameap_eap_get_length(eappacket,&length),return);
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
216 fd_log_debug("\t -Length : %d ", (unsigned int)length);
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
217 if (eappacket->length > 4)
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
218 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
219 eap_type type;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
220 CHECK_FCT_DO(diameap_eap_get_type(eappacket,&type),return);
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
221 fd_log_debug("\t -Type : %d ", type);
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
222 }
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
223 if (eappacket->length > 5)
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
224 {
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
225 char buf[1024];
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Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
226 snprintf(buf, sizeof(buf), "\t -Data : ");
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
227 for (i = 5; i < eappacket->length && i < 30; i++)
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
228 {
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
229 snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%02x ", G8(eappacket->data + i));
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
230 }
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
231 if(i+1<eappacket->length)
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
232 snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "[...] (len=%d)",(unsigned int) length);
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
233 fd_log_debug("%s", buf);
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
234 }
974
2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
Thomas Klausner <tk@giga.or.at>
parents: 425
diff changeset
235 fd_log_debug("-------------End Dump EAP Packet-------------");
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
236 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
237
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
238 int diameap_eap_new(eap_code code, u8 id, eap_type type, u8 * data,
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
239 u16 dataLength, struct eap_packet *eappacket)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
240 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
241
1027
0117a7746b21 Fix a number of errors and warnings introduced/highlighted by recent commits
Sebastien Decugis <sdecugis@freediameter.net>
parents: 974
diff changeset
242 TRACE_ENTRY("%d %hhu %d %p %hu %p", code, id, type, data, dataLength,eappacket);
425
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
243
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
244 int length = 0;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
245
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
246 //Initialize EAP Packet
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
247 eappacket->length = 0;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
248 eappacket->ulength = 0;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
249 eappacket->data = NULL;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
250
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
251 if (diameap_eap_check_code(code) == FALSE)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
252 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
253 TRACE_DEBUG(
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
254 INFO,
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
255 "%sWrong EAP Code. Only Request, Response, Success or Failure are permitted.",DIAMEAP_EXTENSION);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
256 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
257 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
258
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
259 length += EAP_HEADER;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
260 if (code == EAP_REQUEST || code == EAP_RESPONSE)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
261 { // EAP Packet code is either Request or Response
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
262 if (type == TYPE_NONE)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
263 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
264 TRACE_DEBUG(INFO,
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
265 "%sUnable to create a new EAP Packet (Request or Response) without EAP Type field.",DIAMEAP_EXTENSION);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
266 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
267 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
268 length += EAP_TYPE; // EAP Packet code
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
269 if (data != NULL)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
270 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
271 length += dataLength;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
272
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
273 if (length > (int) MAX_EAP_PACKET)
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
274 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
275
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
276 TRACE_DEBUG(INFO,
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
277 "%sUnable to add Data to EAP Packet. Data field length exceed allowed data size.", DIAMEAP_EXTENSION);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
278 return EINVAL;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
279 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
280 else
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
281 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
282
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
283 CHECK_MALLOC(eappacket->data=malloc(sizeof(u8)*length));
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
284 memset(eappacket->data, 0, sizeof(u8) * length);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
285 U8COPY(eappacket->data, 5, dataLength, data);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
286 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
287 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
288 else
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
289 {
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
290 CHECK_MALLOC(eappacket->data=malloc(sizeof(u8)*length));
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
291 memset(eappacket->data, 0, sizeof(u8) * length);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
292 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
293 P8(eappacket->data + 4, type);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
294 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
295 else
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
296 { //EAP Packet code is SUCCESS or FAILURE
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
297 CHECK_MALLOC(eappacket->data=malloc(sizeof(u8)*length));
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
298 memset(eappacket->data, 0, sizeof(u8) * length);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
299 //No Data filed
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
300 //No Type field
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
301 }
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
302 //Add Code and Identifier fields
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
303 P8(eappacket->data, code);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
304 P8(eappacket->data + 1, id);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
305 //Add length field
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
306 P16BIGE(eappacket->data + 2, length);
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
307 eappacket->length = length;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
308 eappacket->ulength = length;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
309 return 0;
0c6e50a5291d New app_diameap Diameter EAP Application
Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>
parents:
diff changeset
310 }
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