FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/comlib/cl_imei.c @ 1012:93f4fc26b204
fc-shell: arbitrary send command implemented in one-shot mode
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Sun, 20 Mar 2016 22:06:11 +0000 |
parents | eed6dc6aca3c |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : COMLIB |
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4 | Modul : cl_imei.c |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Definitions of common library functions: IMEI decryption with |
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18 DES algorithm |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 /* |
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22 * Version 1.0 |
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23 */ |
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24 |
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25 /**********************************************************************************/ |
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26 |
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27 /* |
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28 NOTE: |
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29 */ |
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30 |
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31 /**********************************************************************************/ |
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32 |
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33 #ifndef CL_IMEI_C |
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34 #define CL_IMEI_C |
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35 |
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36 #include "config.h" |
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37 #include "fixedconf.h" |
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38 |
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39 #include "typedefs.h" |
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40 #include "vsi.h" /* to get a lot of macros */ |
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41 |
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42 #include "../services/ffs/ffs.h" |
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43 #include "../bsp/mem.h" |
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44 #include "pcm.h" |
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45 |
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46 #include "cl_imei.h" |
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47 #include "cl_des.h" |
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48 #include <string.h> |
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49 |
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50 static UBYTE stored_imei[CL_IMEI_SIZE]; /* when the imei is read once, the value |
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51 is stored in this buffer */ |
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52 static UBYTE imei_flag = 0; /* this flag indicates, if IMEI was successful read |
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53 and is stored in the stored_imei buffer */ |
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54 |
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55 /* Default IMEISV for D-Sample 00440000-350-111-20 */ |
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56 const UBYTE C_DEFAULT_IMEISV_DSAMPLE[CL_IMEI_SIZE] = |
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57 {0x00, 0x44, 0x00, 0x00, 0x35, 0x01, 0x11, 0x20}; |
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58 #define CL_IMEI_FFS_PATH "/etc/IMEISV" |
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59 |
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60 /*==== FUNCTIONS ==================================================*/ |
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61 |
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62 #if CONFIG_TARGET_PIRELLI |
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63 /* |
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64 +------------------------------------------------------------------------------ |
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65 | Function : get_dieID |
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66 +------------------------------------------------------------------------------ |
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67 | Description : the function reads the Die-ID from base band processor and |
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68 | extracts it from 4 BYTEs to 8 BYTEs. |
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69 | |
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70 | Parameters : inBufSize - size of buffer where to store Die ID, min.8 BYTE |
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71 | *outBufPtr - pointer to buffer where to store the Die ID |
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72 | Return : void |
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73 +------------------------------------------------------------------------------ |
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74 */ |
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75 LOCAL void get_dieID(USHORT inBufSize, UBYTE *outBufPtr) |
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76 { |
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77 int i; |
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78 USHORT *outBuf16 = (USHORT*)&outBufPtr[0]; |
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79 volatile USHORT *reg_p = (USHORT *) CL_IMEI_DIE_ID_REG; |
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80 |
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81 TRACE_FUNCTION("get_dieID()"); |
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82 |
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83 if(inBufSize < CL_IMEI_DIE_ID_SIZE){ |
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84 TRACE_ERROR("CL IMEI ERROR: buffer size for Die ID to short!"); |
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85 } |
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86 #ifdef IMEI_DEBUG |
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87 TRACE_EVENT_P1("CL IMEI INFO: Die-ID address(0x%x)", CL_IMEI_DIE_ID_REG); |
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88 #endif |
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89 for (i = 0; i < CL_IMEI_DIE_ID_SIZE; i++) { |
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90 /* Die ID is 4 BYTE long, extract it to 8 BYTE. */ |
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91 outBuf16[i] = (USHORT)(*(UINT8*)(reg_p)++); |
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92 } |
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93 } |
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94 |
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95 extern int pirelli_read_factory_record(uint32 offset, void *userbuf, |
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96 T_FFS_SIZE size, int has_chksum); |
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97 |
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98 #define PIRELLI_IMEI_OFFSET 0x504 |
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99 |
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100 /* |
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101 +------------------------------------------------------------------------------ |
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102 | Function : pirelli_get_imeisv |
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103 +------------------------------------------------------------------------------ |
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104 | Description : This function attempts to read and decrypt a valid IMEISV |
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105 | record from Pirelli's factory data block. |
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106 | |
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107 | Parameters : inBufSize - size of buffer where to store IMEI, min. 8 BYTE |
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108 | *outBufPtr - pointer to buffer where to store the IMEI |
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109 | Return : 0 - OK |
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110 | <0 - ERROR |
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111 +------------------------------------------------------------------------------ |
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112 */ |
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113 LOCAL BYTE pirelli_get_imeisv (USHORT inBufSize, UBYTE *outBufPtr) |
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114 { |
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115 UBYTE isdid_buf[CL_IMEI_ISDID_SIZE]; |
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116 UBYTE r_dieId[CL_DES_KEY_SIZE]; /* read Die ID */ |
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117 UBYTE d_dieId[CL_DES_KEY_SIZE]; /* deciphered Die ID */ |
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118 SHORT ret; |
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119 |
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120 TRACE_FUNCTION("pirelli_get_imeisv()"); |
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121 |
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122 if(inBufSize < CL_IMEI_SIZE){ |
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123 TRACE_ERROR("CL IMEI ERROR: buffer size for IMEI to short!"); |
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124 return CL_IMEI_ERROR; |
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125 } |
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126 |
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127 /* |
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128 * Read ISDID(enciphered IMEISV+DieID) from FFS. |
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129 * (changed to read from Pirelli's factory data block instead) |
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130 */ |
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131 if((ret = pirelli_read_factory_record(PIRELLI_IMEI_OFFSET, isdid_buf, |
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132 CL_IMEI_ISDID_SIZE, 0)) >= EFFS_OK) |
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133 { |
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134 /* |
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135 * Read Die ID for using as DES key |
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136 */ |
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137 get_dieID(CL_DES_KEY_SIZE, r_dieId); |
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138 /* |
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139 * Call DES algorithm routine |
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140 */ |
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141 /* decipher first 8 BYTEs */ |
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142 cl_des(&isdid_buf[0], r_dieId, outBufPtr, CL_DES_DECRYPTION); |
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143 /* decipher the rest 8 BYTEs */ |
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144 cl_des(&isdid_buf[CL_DES_BUFFER_SIZE], r_dieId, d_dieId, CL_DES_DECRYPTION); |
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145 if(!memcmp(d_dieId, r_dieId, CL_DES_KEY_SIZE)) |
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146 { |
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147 /* Die ID is valid */ |
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148 ret = CL_IMEI_OK; |
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149 } else {/* Die ID is corrupted */ |
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150 char pr_buf[126]; |
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151 TRACE_ERROR("CL IMEI ERROR: Die ID is corrupted"); |
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152 sprintf(pr_buf,"Read DieID: %02x %02x %02x %02x %02x %02x %02x %02x", |
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153 r_dieId[0], r_dieId[1], r_dieId[2], r_dieId[3], |
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154 r_dieId[4], r_dieId[5], r_dieId[6], r_dieId[7]); |
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155 TRACE_ERROR(pr_buf); |
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156 sprintf(pr_buf,"Deciphered DieID: %02x %02x %02x %02x %02x %02x %02x %02x", |
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157 d_dieId[0], d_dieId[1], d_dieId[2], d_dieId[3], |
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158 d_dieId[4], d_dieId[5], d_dieId[6], d_dieId[7]); |
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159 TRACE_ERROR(pr_buf); |
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160 |
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161 ret = CL_IMEI_INVALID_DIE_ID; |
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162 } |
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163 } else { |
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164 ret = CL_IMEI_READ_IMEI_FAILED; |
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165 } |
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166 |
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167 return ret; |
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168 |
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169 }/* pirelli_get_imeisv() */ |
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170 #endif /* CONFIG_TARGET_PIRELLI */ |
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171 |
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172 |
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173 /* |
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174 +------------------------------------------------------------------------------ |
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175 | Function : cl_get_imeisv |
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176 +------------------------------------------------------------------------------ |
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177 | Description : Common IMEI getter function |
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178 | |
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179 | Parameters : imeiBufSize - size of buffer where to store IMEI, min 8 BYTEs |
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180 | *imeiBufPtr - pointer to buffer where to store the IMEI |
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181 | imeiType - indicates, if the IMEI should be read from |
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182 | FFS/Secure ROM (value=CL_IMEI_GET_SECURE_IMEI) or |
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183 | if the already read and stored IMEI (if available) |
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184 | should be delivered (value=CL_IMEI_GET_STORED_IMEI) |
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185 | The second option should be used only by ACI or |
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186 | BMI to show the IMEISV on mobile's display or |
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187 | in terminal window, e.g. if user calls *#06#. |
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188 | For IMEI Control reason (used by ACI), the value |
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189 | has to be CL_IMEI_CONTROL_IMEI |
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190 | Return : OK - 0 |
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191 | ERROR - negative values |
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192 +------------------------------------------------------------------------------ |
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193 */ |
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194 extern BYTE cl_get_imeisv(USHORT imeiBufSize, UBYTE *imeiBufPtr, UBYTE imeiType) |
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195 { |
892
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196 #if CONFIG_MOKOFFS |
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197 USHORT ret; |
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198 UBYTE version; |
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199 UBYTE buf[SIZE_EF_IMEI]; |
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200 #else |
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201 BYTE ret; |
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202 #endif |
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203 |
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204 TRACE_FUNCTION("cl_get_imeisv()"); |
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205 |
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206 /* |
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207 * The user has required a stored IMEI. If it has been already read |
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208 * and stored, so return stored IMEI |
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209 */ |
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210 if((imeiType == CL_IMEI_GET_STORED_IMEI) && (imei_flag == 1)){ |
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211 memcpy(imeiBufPtr, stored_imei, CL_IMEI_SIZE); |
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212 return CL_IMEI_OK; |
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213 } |
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214 /* |
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215 * The user has required a "secure" IMEI. How we get it depends on what |
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216 * platform we are running on. |
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217 */ |
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218 |
667
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219 #if CONFIG_MOKOFFS |
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220 /* |
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221 * Running on Openmoko GTA0x and using the original FFS. |
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222 * Get the nibble-swapped IMEI record from PCM. |
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223 */ |
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224 ret = pcm_ReadFile ((UBYTE *)EF_IMEI_ID, SIZE_EF_IMEI, buf, &version); |
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225 if(ret == PCM_OK){ |
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226 TRACE_EVENT("CL IMEI INFO: return IMEI-SV number from ffs:/pcm/IMEI"); |
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227 /* |
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228 * swap digits |
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229 */ |
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230 imeiBufPtr[0] = ((buf[0] & 0xf0) >> 4) | ((buf[0] & 0x0f) << 4); |
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231 imeiBufPtr[1] = ((buf[1] & 0xf0) >> 4) | ((buf[1] & 0x0f) << 4); |
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232 imeiBufPtr[2] = ((buf[2] & 0xf0) >> 4) | ((buf[2] & 0x0f) << 4); |
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233 imeiBufPtr[3] = ((buf[3] & 0xf0) >> 4) | ((buf[3] & 0x0f) << 4); |
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234 imeiBufPtr[4] = ((buf[4] & 0xf0) >> 4) | ((buf[4] & 0x0f) << 4); |
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235 imeiBufPtr[5] = ((buf[5] & 0xf0) >> 4) | ((buf[5] & 0x0f) << 4); |
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236 imeiBufPtr[6] = ((buf[6] & 0xf0) >> 4) | ((buf[6] & 0x0f) << 4); |
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237 imeiBufPtr[7] = ((buf[7] & 0xf0) >> 4) | ((buf[7] & 0x0f) << 4); |
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238 /* store IMEI */ |
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239 memcpy(stored_imei, imeiBufPtr, CL_IMEI_SIZE); |
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240 imei_flag = 1; |
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241 }else{ |
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242 /* |
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243 * pcm_ReadFile() can't really fail, as it merely reads out of a |
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244 * RAM buffer that was filled earlier, either from FFS or from |
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245 * compiled-in defaults. But TI's original code had the following |
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246 * error handling clause, so I kept it. |
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247 */ |
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248 TRACE_EVENT("CL IMEI INFO: return default IMEI-SV number"); |
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249 memcpy(imeiBufPtr, C_DEFAULT_IMEISV_DSAMPLE, CL_IMEI_SIZE); |
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250 } |
667
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251 return CL_IMEI_OK; |
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252 #else |
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253 |
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254 /* |
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255 * Regular FreeCalypso configuration, not MokoFFS. |
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256 * We try to get the IMEISV from the following sources, in this order: |
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257 * |
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258 * /etc/IMEISV (sensible nibble order, not encrypted) |
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259 * Pirelli's encrypted IMEI record (Pirelli target only) |
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260 * hard-coded fallback and error indication |
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261 */ |
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262 |
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263 if (ffs_file_read(CL_IMEI_FFS_PATH, imeiBufPtr, CL_IMEI_SIZE) >= EFFS_OK) { |
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264 memcpy(stored_imei, imeiBufPtr, CL_IMEI_SIZE); |
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265 imei_flag = 1; |
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266 return CL_IMEI_OK; |
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267 } |
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268 #if CONFIG_TARGET_PIRELLI |
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269 ret = pirelli_get_imeisv (imeiBufSize, imeiBufPtr); |
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270 if (ret == CL_IMEI_OK) { |
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271 imei_flag = 1; |
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272 return ret; |
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273 } |
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274 #else |
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275 ret = CL_IMEI_READ_IMEI_FAILED; |
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276 #endif |
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277 TRACE_ERROR("CL IMEI FATAL ERROR: IMEI not available!"); |
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278 memcpy(imeiBufPtr, C_DEFAULT_IMEISV_DSAMPLE, CL_IMEI_SIZE); |
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279 return ret; |
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280 #endif /* CONFIG_MOKOFFS */ |
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281 } |
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282 |
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283 #endif /* CL_IMEI_C */ |