1 | #include "globals.h"
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2 | #include "reader-common.h"
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3 | #include "defines.h"
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4 | #include "atr.h"
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5 | #include "icc_async_exports.h"
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6 | #include "csctapi/ifd_sc8in1.h"
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7 |
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8 | static int cs_ptyp_orig; //reinit=1,
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9 |
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10 | #if defined(TUXBOX) && defined(PPC) //dbox2 only
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11 | #include "csctapi/mc_global.h"
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12 | static int reader_device_type(struct s_reader * reader)
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13 | {
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14 | int rc=reader->typ;
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15 | struct stat sb;
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16 | if (reader->typ == R_MOUSE)
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17 | {
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18 | if (!stat(reader->device, &sb))
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19 | {
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20 | if (S_ISCHR(sb.st_mode))
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21 | {
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22 | int dev_major, dev_minor;
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23 | dev_major=major(sb.st_rdev);
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24 | dev_minor=minor(sb.st_rdev);
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25 | if (((dev_major==4) || (dev_major==5)))
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26 | switch(dev_minor & 0x3F)
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27 | {
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28 | case 0: rc=R_DB2COM1; break;
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29 | case 1: rc=R_DB2COM2; break;
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30 | }
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31 | cs_debug("device is major: %d, minor: %d, typ=%d", dev_major, dev_minor, rc);
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32 | }
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33 | }
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34 | }
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35 | reader->typ = rc;
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36 | return(rc);
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37 | }
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38 | #endif
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39 |
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40 | static void reader_nullcard(struct s_reader * reader)
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41 | {
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42 | reader->card_system=0;
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43 | memset(reader->hexserial, 0 , sizeof(reader->hexserial));
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44 | memset(reader->prid , 0xFF, sizeof(reader->prid ));
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45 | memset(reader->caid , 0 , sizeof(reader->caid ));
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46 | memset(reader->availkeys, 0 , sizeof(reader->availkeys));
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47 | reader->acs=0;
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48 | reader->nprov=0;
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49 | }
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50 |
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51 | int reader_cmd2icc(struct s_reader * reader, uchar *buf, int l, uchar * cta_res, ushort * p_cta_lr)
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52 | {
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53 | int rc;
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54 | #ifdef HAVE_PCSC
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55 | if (reader->typ == R_PCSC) {
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56 | return (pcsc_reader_do_api(reader, buf, cta_res, p_cta_lr,l));
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57 | }
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58 |
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59 | #endif
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60 |
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61 | *p_cta_lr=CTA_RES_LEN-1; //FIXME not sure whether this one is necessary
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62 | cs_ptyp_orig=cs_ptyp;
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63 | cs_ptyp=D_DEVICE;
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64 | if (reader->typ == R_SC8in1) {
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65 | pthread_mutex_lock(&sc8in1);
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66 | cs_debug("SC8in1: locked for CardWrite of slot %i", reader->slot);
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67 | Sc8in1_Selectslot(reader, reader->slot);
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68 | }
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69 | cs_ddump(buf, l, "write to cardreader %s:",reader->label);
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70 | rc=ICC_Async_CardWrite(reader, buf, (unsigned short)l, cta_res, p_cta_lr);
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71 | cs_ddump(cta_res, *p_cta_lr, "answer from cardreader %s:", reader->label);
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72 | if (reader->typ == R_SC8in1) {
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73 | cs_debug("SC8in1: unlocked for CardWrite of slot %i", reader->slot);
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74 | pthread_mutex_unlock(&sc8in1);
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75 | }
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76 | cs_ptyp=cs_ptyp_orig;
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77 | return rc;
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78 | }
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79 |
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80 | #define CMD_LEN 5
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81 |
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82 | int card_write(struct s_reader * reader, uchar *cmd, uchar *data, uchar *response, ushort * response_length)
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83 | {
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84 | if (data) {
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85 | uchar buf[256]; //only allocate buffer when its needed
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86 | memcpy(buf, cmd, CMD_LEN);
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87 | if (cmd[4]) memcpy(buf+CMD_LEN, data, cmd[4]);
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88 | return(reader_cmd2icc(reader, buf, CMD_LEN+cmd[4], response, response_length));
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89 | }
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90 | else
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91 | return(reader_cmd2icc(reader, cmd, CMD_LEN, response, response_length));
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92 | }
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93 |
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94 | int check_sct_len(const uchar *data, int off)
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95 | {
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96 | int l = SCT_LEN(data);
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97 | if (l+off > MAX_LEN) {
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98 | cs_debug("check_sct_len(): smartcard section too long %d > %d", l, MAX_LEN-off);
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99 | l = -1;
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100 | }
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101 | return(l);
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102 | }
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103 |
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104 |
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105 | static int reader_card_inserted(struct s_reader * reader)
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106 | {
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107 | #ifndef USE_GPIO
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108 | if ((reader->detect&0x7f) > 3)
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109 | return 1;
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110 | #endif
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111 | #ifdef HAVE_PCSC
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112 | if (reader->typ == R_PCSC) {
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113 | return(pcsc_check_card_inserted(reader));
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114 | }
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115 | #endif
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116 | int card;
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117 | cs_ptyp_orig=cs_ptyp;
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118 | cs_ptyp=D_IFD;
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119 | if (ICC_Async_GetStatus (reader, &card)) {
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120 | cs_log("Error getting status of terminal.");
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121 | return 0; //corresponds with no card inside!!
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122 | }
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123 | cs_ptyp=cs_ptyp_orig;
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124 | return (card);
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125 | }
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126 |
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127 | static int reader_activate_card(struct s_reader * reader, ATR * atr, unsigned short deprecated)
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128 | {
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129 | int i;
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130 | #ifdef HAVE_PCSC
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131 | unsigned char atrarr[64];
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132 | ushort atr_size = 0;
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133 | if (reader->typ == R_PCSC) {
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134 | if (pcsc_activate_card(reader, atrarr, &atr_size))
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135 | return (ATR_InitFromArray (atr, atrarr, atr_size) == ATR_OK);
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136 | else
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137 | return 0;
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138 | }
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139 | #endif
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140 | if (!reader_card_inserted(reader))
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141 | return 0;
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142 |
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143 | /* Activate card */
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144 | cs_ptyp_orig=cs_ptyp;
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145 | cs_ptyp=D_DEVICE;
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146 | if (reader->typ == R_SC8in1) {
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147 | pthread_mutex_lock(&sc8in1);
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148 | cs_debug_mask(D_ATR, "SC8in1: locked for Activation of slot %i", reader->slot);
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149 | Sc8in1_Selectslot(reader, reader->slot);
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150 | }
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151 | for (i=0; i<5; i++) {
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152 | if (!ICC_Async_Activate(reader, atr, deprecated)) {
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153 | i = 100;
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154 | break;
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155 | }
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156 | cs_log("Error activating card.");
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157 | cs_sleepms(500);
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158 | }
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159 | if (reader->typ == R_SC8in1) {
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160 | cs_debug_mask(D_ATR, "SC8in1: unlocked for Activation of slot %i", reader->slot);
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161 | pthread_mutex_unlock(&sc8in1);
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162 | }
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163 | cs_ptyp=cs_ptyp_orig;
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164 | if (i<100) return(0);
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165 |
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166 | reader->init_history_pos=0;
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167 | #ifdef CS_RDR_INIT_HIST
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168 | memset(reader->init_history, 0, sizeof(reader->init_history));
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169 | #endif
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170 | // cs_ri_log("ATR: %s", cs_hexdump(1, atr, atr_size));//FIXME
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171 | cs_sleepms(1000);
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172 | return(1);
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173 | }
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174 |
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175 | void do_emm_from_file(struct s_reader * reader)
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176 | {
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177 | //now here check whether we have EMM's on file to load and write to card:
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178 | if (reader->emmfile != NULL) {//readnano has something filled in
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179 |
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180 | //handling emmfile
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181 | char token[256];
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182 | FILE *fp;
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183 | size_t result;
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184 | if ((reader->emmfile[0] == '/'))
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185 | sprintf (token, "%s", reader->emmfile); //pathname included
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186 | else
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187 | sprintf (token, "%s%s", cs_confdir, reader->emmfile); //only file specified, look in confdir for this file
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188 |
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189 | if (!(fp = fopen (token, "rb")))
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190 | cs_log ("ERROR: Cannot open EMM file '%s' (errno=%d)\n", token, errno);
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191 | else {
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192 | EMM_PACKET *eptmp;
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193 | eptmp = malloc (sizeof(EMM_PACKET));
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194 | result = fread (eptmp, sizeof(EMM_PACKET), 1, fp);
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195 | fclose (fp);
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196 |
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197 | uchar old_b_nano = reader->b_nano[eptmp->emm[0]]; //save old b_nano value
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198 | reader->b_nano[eptmp->emm[0]] &= 0xfc; //clear lsb and lsb+1, so no blocking, and no saving for this nano
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199 |
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200 | //if (!reader_do_emm (eptmp))
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201 | if (!reader_emm (reader, eptmp))
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202 | cs_log ("ERROR: EMM read from file %s NOT processed correctly!", token);
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203 |
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204 | reader->b_nano[eptmp->emm[0]] = old_b_nano; //restore old block/save settings
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205 | free (reader->emmfile);
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206 | reader->emmfile = NULL; //clear emmfile, so no reading anymore
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207 |
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208 | free(eptmp);
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209 | eptmp = NULL;
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210 | }
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211 | }
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212 | }
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213 |
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214 | void reader_card_info(struct s_reader * reader)
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215 | {
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216 | // int rc=-1;
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217 | if (reader_checkhealth(reader))
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218 | //if (rc=reader_checkhealth())
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219 | {
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220 | client[cs_idx].last=time((time_t)0);
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221 | cs_ri_brk(reader, 0);
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222 | do_emm_from_file(reader);
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223 | switch(reader->card_system)
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224 | {
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225 | case SC_NAGRA:
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226 | nagra2_card_info(reader); break;
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227 | case SC_IRDETO:
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228 | irdeto_card_info(reader); break;
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229 | case SC_CRYPTOWORKS:
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230 | cryptoworks_card_info(reader); break;
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231 | case SC_VIACCESS:
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232 | viaccess_card_info(reader); break;
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233 | case SC_CONAX:
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234 | conax_card_info(reader); break;
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235 | case SC_VIDEOGUARD2:
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236 | videoguard_card_info(reader); break;
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237 | case SC_SECA:
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238 | seca_card_info(reader); break;
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239 | case SC_DRE:
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240 | dre_card_info(); break;
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241 | }
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242 | }
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243 | }
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244 |
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245 | static int reader_get_cardsystem(struct s_reader * reader, ATR atr)
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246 | {
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247 |
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248 | if (nagra2_card_init(reader, atr))
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249 | reader->card_system=SC_NAGRA;
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250 | else if (irdeto_card_init(reader, atr))
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251 | reader->card_system=SC_IRDETO;
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252 | else if (conax_card_init(reader, atr))
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253 | reader->card_system=SC_CONAX;
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254 | else if (cryptoworks_card_init(reader, atr))
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255 | reader->card_system=SC_CRYPTOWORKS;
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256 | else if (seca_card_init(reader, atr))
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257 | reader->card_system=SC_SECA;
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258 | else if (viaccess_card_init(reader, atr))
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259 | reader->card_system=SC_VIACCESS;
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260 | else if (videoguard_card_init(reader, atr))
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261 | reader->card_system=SC_VIDEOGUARD2;
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262 | else if (dre_card_init(reader, atr))
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263 | reader->card_system=SC_DRE;
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264 | else
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265 | cs_ri_log(reader, "card system not supported");
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266 |
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267 | cs_ri_brk(reader, 1);
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268 | return(reader->card_system);
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269 | }
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270 |
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271 | static int reader_reset(struct s_reader * reader)
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272 | {
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273 | reader_nullcard(reader);
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274 | ATR atr;
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275 | unsigned short int deprecated, ret = ERROR;
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276 | for (deprecated = reader->deprecated; deprecated < 2; deprecated++) {
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277 | if (!reader_activate_card(reader, &atr, deprecated)) return(0);
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278 | ret =reader_get_cardsystem(reader, atr);
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279 | if (ret)
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280 | break;
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281 | if (!deprecated)
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282 | cs_log("Normal mode failed, reverting to Deprecated Mode");
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283 | }
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284 | return(ret);
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285 | }
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286 |
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287 | int reader_device_init(struct s_reader * reader)
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288 | {
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289 | #ifdef HAVE_PCSC
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290 | if (reader->typ == R_PCSC) {
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291 | return (pcsc_reader_init(reader, reader->device));
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292 | }
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293 | #endif
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294 |
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295 | int rc = -1; //FIXME
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296 | cs_ptyp_orig=cs_ptyp;
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297 | cs_ptyp=D_DEVICE;
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298 | #if defined(TUXBOX) && defined(PPC)
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299 | struct stat st;
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300 | if (!stat(DEV_MULTICAM, &st))
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301 | reader->typ = reader_device_type(reader);
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302 | #endif
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303 | if (ICC_Async_Device_Init(reader))
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304 | cs_log("Cannot open device: %s", reader->device);
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305 | else
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306 | rc = OK;
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307 | cs_debug("ct_init on %s: %d", reader->device, rc);
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308 | cs_ptyp=cs_ptyp_orig;
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309 | return((rc!=OK) ? 2 : 0);
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310 | }
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311 |
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312 | int reader_checkhealth(struct s_reader * reader)
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313 | {
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314 | if (reader_card_inserted(reader))
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315 | {
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316 | if (reader->card_status == NO_CARD)
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317 | {
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318 | cs_log("card detected");
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319 | reader->card_status = CARD_NEED_INIT;
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320 | reader->card_status = (reader_reset(reader) ? CARD_INSERTED : CARD_FAILURE);
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321 | if (reader->card_status == CARD_FAILURE)
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322 | {
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323 | cs_log("card initializing error");
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324 | }
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325 | else
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326 | {
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327 | client[cs_idx].au=reader->ridx;
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328 | reader_card_info(reader);
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329 | }
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330 |
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331 | int i;
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332 | for( i=1; i<CS_MAXPID; i++ ) {
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333 | if( client[i].pid && client[i].typ=='c' && client[i].usr[0] && ph[client[i].ctyp].type & MOD_CONN_NET) {
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334 | kill(client[i].pid, SIGQUIT);
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335 | }
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336 | }
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337 | }
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338 | }
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339 | else
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340 | {
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341 | if (reader->card_status == CARD_INSERTED)
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342 | {
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343 | reader_nullcard(reader);
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344 | client[cs_idx].lastemm=0;
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345 | client[cs_idx].lastecm=0;
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346 | client[cs_idx].au=-1;
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347 | extern int io_serial_need_dummy_char;
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348 | io_serial_need_dummy_char=0;
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349 | cs_log("card ejected slot = %i", reader->slot);
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350 | }
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351 | reader->card_status=NO_CARD;
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352 | }
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353 | return reader->card_status==CARD_INSERTED;
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354 | }
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355 |
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356 | void reader_post_process(struct s_reader * reader)
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357 | {
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358 | // some systems eg. nagra2/3 needs post process after receiving cw from card
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359 | // To save ECM/CW time we added this function after writing ecm answer
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360 | switch(reader->card_system)
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361 | {
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362 | case SC_NAGRA:
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363 | nagra2_post_process(reader); break;
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364 | default: break;
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365 | }
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366 | }
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367 |
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368 | int reader_ecm(struct s_reader * reader, ECM_REQUEST *er)
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369 | {
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370 | int rc=-1;
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371 | if( (rc=reader_checkhealth(reader)) )
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372 | {
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373 | if((reader->caid[0] >> 8) == ((er->caid >> 8) & 0xFF))
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374 | {
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375 | client[cs_idx].last_srvid=er->srvid;
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376 | client[cs_idx].last_caid=er->caid;
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377 | client[cs_idx].last=time((time_t)0);
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378 | switch(reader->card_system)
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379 | {
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380 | case SC_NAGRA:
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381 | rc=(nagra2_do_ecm(reader, er)) ? 1 : 0; break;
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382 | case SC_IRDETO:
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383 | rc=(irdeto_do_ecm(reader, er)) ? 1 : 0; break;
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384 | case SC_CRYPTOWORKS:
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385 | rc=(cryptoworks_do_ecm(reader, er)) ? 1 : 0; break;
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386 | case SC_VIACCESS:
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387 | rc=(viaccess_do_ecm(reader, er)) ? 1 : 0; break;
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388 | case SC_CONAX:
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389 | rc=(conax_do_ecm(reader, er)) ? 1 : 0; break;
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390 | case SC_SECA:
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391 | rc=(seca_do_ecm(reader, er)) ? 1 : 0; break;
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392 | case SC_VIDEOGUARD2:
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393 | rc=(videoguard_do_ecm(reader, er)) ? 1 : 0; break;
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394 | case SC_DRE:
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395 | rc=(dre_do_ecm(reader, er)) ? 1: 0; break;
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396 | default:
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397 | rc=0;
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398 | }
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399 | }
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400 | else
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401 | rc=0;
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402 | }
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403 | return(rc);
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404 | }
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405 |
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406 | int reader_get_emm_type(EMM_PACKET *ep, struct s_reader * rdr) //rdr differs from calling reader!
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407 | {
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408 | cs_debug_mask(D_EMM,"Entered reader_get_emm_type cardsystem %i",rdr->card_system);
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409 | int rc;
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410 | switch(rdr->card_system) {
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411 | case SC_NAGRA:
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412 | rc=nagra2_get_emm_type(ep, rdr); break;
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413 | case SC_IRDETO:
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414 | rc=irdeto_get_emm_type(ep, rdr); break;
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415 | case SC_CRYPTOWORKS:
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416 | rc=cryptoworks_get_emm_type(ep, rdr); break;
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417 | case SC_VIACCESS:
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418 | rc=viaccess_get_emm_type(ep, rdr); break;
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419 | case SC_CONAX:
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420 | rc=conax_get_emm_type(ep, rdr); break;
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421 | case SC_SECA:
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422 | rc=seca_get_emm_type(ep, rdr); break;
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423 | case SC_VIDEOGUARD2:
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424 | rc=videoguard_get_emm_type(ep, rdr); break;
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425 | case SC_DRE:
|
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426 | rc=dre_get_emm_type(ep, rdr); break;
|
---|
427 | default:
|
---|
428 | rc=0;
|
---|
429 | }
|
---|
430 | return rc;
|
---|
431 | }
|
---|
432 |
|
---|
433 | int get_cardsystem(ushort caid) {
|
---|
434 | switch(caid >> 8) {
|
---|
435 | case 0x01:
|
---|
436 | return SC_SECA;
|
---|
437 | case 0x05:
|
---|
438 | return SC_VIACCESS;
|
---|
439 | case 0x06:
|
---|
440 | return SC_IRDETO;
|
---|
441 | case 0x09:
|
---|
442 | return SC_VIDEOGUARD2;
|
---|
443 | case 0x0B:
|
---|
444 | return SC_CONAX;
|
---|
445 | case 0x0D:
|
---|
446 | return SC_CRYPTOWORKS;
|
---|
447 | case 0x17:
|
---|
448 | return SC_IRDETO;
|
---|
449 | case 0x18:
|
---|
450 | return SC_NAGRA;
|
---|
451 | case 0x4A:
|
---|
452 | return SC_DRE;
|
---|
453 | default:
|
---|
454 | return 0;
|
---|
455 | }
|
---|
456 | }
|
---|
457 |
|
---|
458 | void get_emm_filter(struct s_reader * rdr, uchar *filter) {
|
---|
459 | filter[0]=0xFF;
|
---|
460 | filter[1]=0;
|
---|
461 |
|
---|
462 | switch(rdr->card_system) {
|
---|
463 | case SC_NAGRA:
|
---|
464 | nagra2_get_emm_filter(rdr, filter);
|
---|
465 | break;
|
---|
466 | case SC_IRDETO:
|
---|
467 | irdeto_get_emm_filter(rdr, filter);
|
---|
468 | break;
|
---|
469 | case SC_CRYPTOWORKS:
|
---|
470 | cryptoworks_get_emm_filter(rdr, filter);
|
---|
471 | break;
|
---|
472 | case SC_VIACCESS:
|
---|
473 | viaccess_get_emm_filter(rdr, filter);
|
---|
474 | break;
|
---|
475 | case SC_CONAX:
|
---|
476 | conax_get_emm_filter(rdr, filter);
|
---|
477 | break;
|
---|
478 | case SC_SECA:
|
---|
479 | seca_get_emm_filter(rdr, filter);
|
---|
480 | break;
|
---|
481 | case SC_VIDEOGUARD2:
|
---|
482 | videoguard_get_emm_filter(rdr, filter);
|
---|
483 | break;
|
---|
484 | case SC_DRE:
|
---|
485 | dre_get_emm_filter(rdr, filter);
|
---|
486 | break;
|
---|
487 | default:
|
---|
488 | break;
|
---|
489 | }
|
---|
490 |
|
---|
491 | return;
|
---|
492 | }
|
---|
493 |
|
---|
494 | int reader_emm(struct s_reader * reader, EMM_PACKET *ep)
|
---|
495 | {
|
---|
496 | int rc=-1;
|
---|
497 |
|
---|
498 | rc=reader_checkhealth(reader);
|
---|
499 | if (rc)
|
---|
500 | {
|
---|
501 | client[cs_idx].last=time((time_t)0);
|
---|
502 | if (reader->b_nano[ep->emm[0]] & 0x02) //should this nano be saved?
|
---|
503 | {
|
---|
504 | char token[256];
|
---|
505 | FILE *fp;
|
---|
506 |
|
---|
507 | time_t rawtime;
|
---|
508 | time (&rawtime);
|
---|
509 | struct tm *timeinfo;
|
---|
510 | timeinfo = localtime (&rawtime); /* to access LOCAL date/time info */
|
---|
511 | char buf[80];
|
---|
512 | strftime (buf, 80, "%Y%m%d_%H_%M_%S", timeinfo);
|
---|
513 |
|
---|
514 | sprintf (token, "%swrite_%s_%s.%s", cs_confdir, (ep->emm[0] == 0x82) ? "UNIQ" : "SHARED", buf, "txt");
|
---|
515 | if (!(fp = fopen (token, "w")))
|
---|
516 | {
|
---|
517 | cs_log ("ERROR: Cannot open EMM.txt file '%s' (errno=%d)\n", token, errno);
|
---|
518 | }
|
---|
519 | else
|
---|
520 | {
|
---|
521 | cs_log ("Succesfully written text EMM to %s.", token);
|
---|
522 | int emm_length = ((ep->emm[1] & 0x0f) << 8) | ep->emm[2];
|
---|
523 | fprintf (fp, "%s", cs_hexdump (0, ep->emm, emm_length + 3));
|
---|
524 | fclose (fp);
|
---|
525 | }
|
---|
526 |
|
---|
527 | //sprintf (token, "%s%s.%s", cs_confdir, buf,"emm");
|
---|
528 | sprintf (token, "%swrite_%s_%s.%s", cs_confdir, (ep->emm[0] == 0x82) ? "UNIQ" : "SHARED", buf, "emm");
|
---|
529 | if (!(fp = fopen (token, "wb")))
|
---|
530 | {
|
---|
531 | cs_log ("ERROR: Cannot open EMM.emm file '%s' (errno=%d)\n", token, errno);
|
---|
532 | }
|
---|
533 | else
|
---|
534 | {
|
---|
535 | if (fwrite(ep, sizeof (*ep), 1, fp) == 1)
|
---|
536 | {
|
---|
537 | cs_log ("Succesfully written binary EMM to %s.", token);
|
---|
538 | }
|
---|
539 | else
|
---|
540 | {
|
---|
541 | cs_log ("ERROR: Cannot write binary EMM to %s (errno=%d)\n", token, errno);
|
---|
542 | }
|
---|
543 | fclose (fp);
|
---|
544 | }
|
---|
545 | }
|
---|
546 |
|
---|
547 | if (reader->b_nano[ep->emm[0]] & 0x01) //should this nano be blcoked?
|
---|
548 | return 3;
|
---|
549 |
|
---|
550 | switch(reader->card_system)
|
---|
551 | {
|
---|
552 | case SC_NAGRA:
|
---|
553 | rc=nagra2_do_emm(reader, ep); break;
|
---|
554 | case SC_IRDETO:
|
---|
555 | rc=irdeto_do_emm(reader, ep); break;
|
---|
556 | case SC_CRYPTOWORKS:
|
---|
557 | rc=cryptoworks_do_emm(reader, ep); break;
|
---|
558 | case SC_VIACCESS:
|
---|
559 | rc=viaccess_do_emm(reader, ep); break;
|
---|
560 | case SC_CONAX:
|
---|
561 | rc=conax_do_emm(reader, ep); break;
|
---|
562 | case SC_SECA:
|
---|
563 | rc=seca_do_emm(reader, ep); break;
|
---|
564 | case SC_VIDEOGUARD2:
|
---|
565 | rc=videoguard_do_emm(reader, ep); break;
|
---|
566 | case SC_DRE:
|
---|
567 | rc=dre_do_emm(reader, ep); break;
|
---|
568 | default: rc=0;
|
---|
569 | }
|
---|
570 | }
|
---|
571 | return(rc);
|
---|
572 | }
|
---|
573 |
|
---|
574 | int check_emm_cardsystem(struct s_reader * rdr, EMM_PACKET *ep)
|
---|
575 | {
|
---|
576 | return (rdr->fd && (rdr->caid[0] == b2i(2,ep->caid) || rdr->typ == R_CCCAM));
|
---|
577 | }
|
---|
578 |
|
---|
579 | void reader_device_close(struct s_reader * reader)
|
---|
580 | {
|
---|
581 | #ifdef HAVE_PCSC
|
---|
582 | if (reader->typ == R_PCSC) {
|
---|
583 | pcsc_close(reader);
|
---|
584 | return;
|
---|
585 | }
|
---|
586 | #endif
|
---|
587 | ICC_Async_Close(reader);
|
---|
588 |
|
---|
589 | }
|
---|