1 | /*
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2 | ct_slot.c
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3 | Card Terminal Slot handling functions
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4 |
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5 | This file is part of the Unix driver for Towitoko smartcard readers
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6 | Copyright (C) 2000 Carlos Prados <cprados@yahoo.com>
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7 |
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8 | This version is modified by doz21 to work in a special manner ;)
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9 |
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10 | This library is free software; you can redistribute it and/or
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11 | modify it under the terms of the GNU Lesser General Public
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12 | License as published by the Free Software Foundation; either
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13 | version 2 of the License, or (at your option) any later version.
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14 |
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15 | This library is distributed in the hope that it will be useful,
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 | Lesser General Public License for more details.
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19 |
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20 | You should have received a copy of the GNU Lesser General Public
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21 | License along with this library; if not, write to the Free Software
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22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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23 | */
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24 |
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25 | #include "defines.h"
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26 | #include "ct_slot.h"
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27 | #include "icc_async.h"
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28 | #include "protocol_t0.h"
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29 | #include "protocol_t1.h"
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30 | #include "pps.h"
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31 | #include <stdlib.h>
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32 | #include <unistd.h>
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33 | #include <string.h>
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34 | #include <time.h>
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35 | #ifdef HAVE_SYS_TIME_H
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36 | #include <sys/time.h>
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37 | #endif
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38 |
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39 | /* Card status *///FIXME simplify this + duplicate in icc_async.h
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40 | #define IFD_TOWITOKO_CARD(status) (((status) & 0x40) == 0x40)
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41 | #define IFD_TOWITOKO_CHANGE(status) (((status) & 0x80) == 0x80)
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42 |
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43 | /* Try first asynchronous init and if it fails try synchronous */
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44 | //#undef ICC_PROBE_ASYNC_FIRST
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45 | //#define ICC_PROBE_ASYNC_FIRST
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46 |
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47 | /*
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48 | * Not exported functions declaration
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49 | */
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50 |
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51 | static void CT_Slot_Clear (CT_Slot * slot);
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52 |
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53 | /*
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54 | * Exported functions definition
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55 | */
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56 |
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57 | CT_Slot * CT_Slot_New ()
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58 | {
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59 | CT_Slot *slot;
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60 |
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61 | slot = (CT_Slot *) malloc (sizeof (CT_Slot));
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62 |
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63 | if (slot != NULL)
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64 | CT_Slot_Clear (slot);
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65 |
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66 | return slot;
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67 | }
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68 |
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69 | char CT_Slot_Init (CT_Slot * slot, int sn)
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70 | {
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71 | if (!Phoenix_Init())
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72 | return ERR_TRANS;
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73 |
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74 | return OK;
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75 | }
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76 |
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77 | char CT_Slot_Check (CT_Slot * slot, uint timeout, bool * card, bool * change)
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78 | {
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79 | BYTE status;
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80 | #ifdef HAVE_NANOSLEEP
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81 | struct timespec req_ts;
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82 |
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83 | req_ts.tv_sec = 1;
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84 | req_ts.tv_nsec = 0;
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85 | #endif
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86 |
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87 | /* Do first time check */
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88 | if (ICC_Async_GetStatus (&status) != ICC_ASYNC_OK)
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89 | {
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90 | return ERR_TRANS;
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91 | }
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92 |
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93 | (*change) = IFD_TOWITOKO_CHANGE (status);
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94 |
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95 | while ((timeout > 0) && (!IFD_TOWITOKO_CARD (status)))
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96 | {
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97 | timeout --;
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98 |
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99 | #ifdef HAVE_NANOSLEEP
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100 | /* Sleep one second */
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101 | nanosleep (&req_ts,NULL);
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102 | #else
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103 | usleep (1000);
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104 | #endif
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105 |
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106 | if (ICC_Async_GetStatus (&status) != ICC_ASYNC_OK)
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107 | return ERR_TRANS;
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108 |
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109 | (*change) |= IFD_TOWITOKO_CHANGE (status);
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110 | }
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111 |
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112 | (*card) = IFD_TOWITOKO_CARD (status);
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113 |
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114 | return OK;
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115 | }
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116 |
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117 | char CT_Slot_Probe (CT_Slot * slot, BYTE * userdata, unsigned length)
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118 | {
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119 | PPS * pps;
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120 | BYTE buffer[PPS_MAX_LENGTH];
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121 | unsigned buffer_len = 0;
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122 |
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123 | if (ICC_Async_Init () != ICC_ASYNC_OK)
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124 | {
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125 | return ERR_TRANS;
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126 |
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127 | /* Synchronous card present */
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128 | // slot->icc_type = CT_SLOT_ICC_SYNC;
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129 | }
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130 | else
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131 | {
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132 | /* Asyncronous card present */
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133 | slot->icc_type = CT_SLOT_ICC_ASYNC;
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134 | }
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135 |
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136 |
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137 | /* Initialise protocol */
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138 | if (slot->icc_type == CT_SLOT_ICC_ASYNC)
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139 | {
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140 | pps = PPS_New();
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141 |
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142 | if (pps == NULL)
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143 | {
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144 | ICC_Async_Close ();
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145 |
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146 | slot->icc = NULL;
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147 | slot->icc_type = CT_SLOT_NULL;
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148 | return ERR_MEMORY;
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149 | }
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150 |
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151 | /* Prepare PPS request */
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152 | if ((userdata != NULL) && (length > 0))
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153 | memcpy (buffer, userdata, buffer_len = MIN(length, PPS_MAX_LENGTH));
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154 |
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155 | /* Do PPS */
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156 | if (PPS_Perform (pps, buffer, &buffer_len) != PPS_OK)
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157 | {
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158 | PPS_Delete (pps);
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159 |
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160 | ICC_Async_Close ();
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161 |
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162 | slot->icc = NULL;
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163 | slot->icc_type = CT_SLOT_NULL;
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164 | slot->protocol_type = CT_SLOT_NULL;
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165 |
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166 | return ERR_TRANS;
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167 | }
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168 |
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169 | slot->protocol_type = (PPS_GetProtocolParameters (pps))->t;
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170 | slot->protocol = PPS_GetProtocol (pps);
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171 |
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172 |
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173 | PPS_Delete (pps);
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174 | }
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175 |
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176 | return OK;
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177 | }
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178 |
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179 | char CT_Slot_Release (CT_Slot * slot)
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180 | {
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181 | char ret;
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182 |
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183 | ret = OK;
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184 |
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185 | slot->protocol = NULL;
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186 | slot->protocol_type = CT_SLOT_NULL;
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187 |
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188 | if (slot->icc_type == CT_SLOT_ICC_ASYNC)
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189 | {
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190 | if (ICC_Async_Close () != ICC_ASYNC_OK)
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191 | ret = ERR_TRANS;
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192 | }
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193 |
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194 | slot->icc = NULL;
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195 | slot->icc_type = CT_SLOT_NULL;
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196 |
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197 | return ret;
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198 | }
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199 |
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200 | char CT_Slot_Command (CT_Slot * slot, APDU_Cmd * cmd, APDU_Rsp ** rsp)
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201 | {
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202 | BYTE buffer[2];
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203 | char ret;
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204 |
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205 | if (slot->protocol_type == CT_SLOT_PROTOCOL_T0) /* T=0 protocol ICC */
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206 | {
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207 | if (Protocol_T0_Command (cmd, rsp) != PROTOCOL_T0_OK)
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208 | ret = ERR_TRANS;
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209 | else
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210 | ret = OK;
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211 | }
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212 | else if (slot->protocol_type == CT_SLOT_PROTOCOL_T1) /* T=1 protocol ICC */
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213 | {
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214 | if (Protocol_T1_Command (cmd, rsp) != PROTOCOL_T1_OK)
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215 | ret = ERR_TRANS;
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216 | else
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217 | ret = OK;
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218 | }
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219 | else if (slot->protocol_type == CT_SLOT_PROTOCOL_T14) /* T=14 protocol ICC */
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220 | {
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221 | if (Protocol_T14_Command (cmd, rsp) != PROTOCOL_T14_OK)
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222 | ret = ERR_TRANS;
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223 | else
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224 | ret = OK;
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225 | }
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226 | else if (slot->protocol_type == CT_SLOT_NULL) /* Card removed */
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227 | {
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228 | buffer[0] = CTBCS_SW1_ICC_ERROR;
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229 | buffer[1] = CTBCS_SW2_ICC_ERROR;
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230 |
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231 | (*rsp) = APDU_Rsp_New (buffer, 2);
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232 | ret = OK;
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233 | }
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234 | else /* Other protocol */
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235 | {
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236 | (*rsp) = NULL;
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237 | ret = ERR_HTSI;
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238 | }
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239 |
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240 | return ret;
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241 | }
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242 |
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243 | int CT_Slot_GetICCType (CT_Slot * slot)
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244 | {
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245 | return slot->icc_type;
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246 | }
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247 |
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248 | void * CT_Slot_GetICC (CT_Slot * slot)
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249 | {
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250 | return slot->icc;
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251 | }
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252 |
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253 | void * CT_Slot_GetAtr (CT_Slot * slot)
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254 | {
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255 | if (slot->icc_type == CT_SLOT_ICC_ASYNC)
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256 | return ((void *) atr );
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257 | //return ((void *) ICC_Async_GetAtr((ICC_Async *) slot->icc));
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258 |
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259 | return NULL;
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260 | }
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261 |
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262 | bool CT_Slot_IsLast (CT_Slot * slot)
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263 | {
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264 | //return (IFD_Towitoko_GetSlot(slot->ifd) >= IFD_Towitoko_GetNumSlots()-1);
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265 | return 1; //GetSlot always returns 0, and GetNumSlots returns always 1
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266 | }
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267 |
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268 | void CT_Slot_GetType (CT_Slot * slot, BYTE * buffer, int len)
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269 | {
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270 | //IFD_Towitoko_GetDescription (slot->ifd, buffer, len)
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271 | buffer="dummy";
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272 | len=5;
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273 | }
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274 |
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275 | char CT_Slot_Close (CT_Slot * slot)
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276 | {
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277 | char ret;
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278 |
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279 | ret = OK;
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280 |
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281 | if (slot->icc_type == CT_SLOT_ICC_ASYNC)
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282 | {
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283 | if (ICC_Async_Close () != ICC_ASYNC_OK)
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284 | ret = ERR_TRANS;
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285 | }
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286 |
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287 | if (!Phoenix_Close ())
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288 | ret = ERR_TRANS;
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289 |
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290 | CT_Slot_Clear (slot);
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291 |
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292 | return ret;
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293 | }
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294 |
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295 | void CT_Slot_Delete (CT_Slot * slot)
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296 | {
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297 | free (slot);
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298 | }
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299 |
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300 | /*
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301 | * Not exported functions definition
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302 | */
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303 |
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304 | static void CT_Slot_Clear (CT_Slot * slot)
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305 | {
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306 | slot->icc = NULL;
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307 | slot->protocol = NULL;
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308 | slot->icc_type = CT_SLOT_NULL;
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309 | slot->protocol_type = CT_SLOT_NULL;
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310 | }
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