1 | #include "globals.h"
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2 |
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3 | #if defined(HAVE_DVBAPI) && defined(WITH_AZBOX)
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4 |
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5 | #include "extapi/openxcas/openxcas_api.h"
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6 | #include "extapi/openxcas/openxcas_message.h"
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7 |
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8 | #include "module-dvbapi.h"
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9 | #include "module-dvbapi-azbox.h"
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10 | #include "oscam-client.h"
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11 | #include "oscam-ecm.h"
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12 | #include "oscam-reader.h"
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13 | #include "oscam-string.h"
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14 | #include "oscam-time.h"
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15 |
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16 | #define LOG_PREFIX "openxcas: "
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17 | #define LOG_PREFIX_MSG "openxcasmsg: "
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18 |
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19 | // These variables are declared in module-dvbapi.c
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20 | extern void * dvbapi_client;
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21 | extern DEMUXTYPE demux[MAX_DEMUX];
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22 |
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23 | // These are used in module-dvbapi.c
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24 | int32_t openxcas_provid;
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25 | uint16_t openxcas_sid, openxcas_caid, openxcas_ecm_pid;
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26 |
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27 | static unsigned char openxcas_cw[16];
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28 | static int32_t openxcas_seq, openxcas_filter_idx, openxcas_stream_id, openxcas_cipher_idx, openxcas_busy;
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29 | static uint16_t openxcas_video_pid, openxcas_audio_pid, openxcas_data_pid;
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30 |
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31 | void azbox_openxcas_ecm_callback(int32_t stream_id, uint32_t UNUSED(seq), int32_t cipher_index, uint32_t UNUSED(caid), unsigned char *ecm_data, int32_t l, uint16_t pid) {
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32 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm callback received");
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33 |
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34 | openxcas_stream_id = stream_id;
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35 | //openxcas_seq = seq;
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36 | //openxcas_caid = caid;
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37 | openxcas_ecm_pid = pid;
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38 | openxcas_busy = 1;
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39 |
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40 | ECM_REQUEST *er;
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41 | if (!(er=get_ecmtask()))
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42 | return;
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43 |
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44 | er->srvid = openxcas_sid;
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45 | er->caid = openxcas_caid;
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46 | er->pid = openxcas_ecm_pid;
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47 | er->prid = openxcas_provid;
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48 |
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49 | er->ecmlen = l;
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50 | memcpy(er->ecm, ecm_data, er->ecmlen);
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51 |
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52 | request_cw(dvbapi_client, er);
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53 |
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54 | //openxcas_stop_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
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55 | //openxcas_remove_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
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56 |
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57 | openxcas_cipher_idx = cipher_index;
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58 |
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59 | struct timeb tp;
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60 | cs_ftime(&tp);
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61 | tp.time+=500;
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62 | }
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63 |
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64 |
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65 | void azbox_openxcas_ex_callback(int32_t stream_id, uint32_t seq, int32_t idx, uint32_t pid, unsigned char *ecm_data, int32_t l) {
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66 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ex callback received");
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67 |
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68 | openxcas_stream_id = stream_id;
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69 | openxcas_ecm_pid = pid;
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70 | openxcas_cipher_idx = idx; // is this really cipher_idx?
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71 |
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72 | ECM_REQUEST *er;
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73 | if (!(er=get_ecmtask()))
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74 | return;
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75 |
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76 | er->srvid = openxcas_sid;
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77 | er->caid = openxcas_caid;
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78 | er->pid = openxcas_ecm_pid;
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79 | er->prid = openxcas_provid;
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80 |
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81 | er->ecmlen = l;
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82 | memcpy(er->ecm, ecm_data, er->ecmlen);
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83 |
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84 | request_cw(dvbapi_client, er);
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85 |
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86 | if (openxcas_stop_filter_ex(stream_id, seq, openxcas_filter_idx) < 0)
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87 | cs_log(LOG_PREFIX "unable to stop ex filter");
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88 | else
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89 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ex filter stopped");
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90 |
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91 |
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92 |
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93 | unsigned char mask[12];
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94 | unsigned char comp[12];
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95 | memset(&mask, 0x00, sizeof(mask));
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96 | memset(&comp, 0x00, sizeof(comp));
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97 |
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98 | mask[0] = 0xff;
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99 | comp[0] = ecm_data[0] ^ 1;
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100 |
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101 | if ((openxcas_filter_idx = openxcas_start_filter_ex(stream_id, seq, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ex_callback)) < 0)
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102 | cs_log(LOG_PREFIX "unable to start ex filter");
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103 | else
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104 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ex filter started, pid = %x", openxcas_ecm_pid);
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105 | }
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106 |
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107 | void * azbox_main_thread(void *cli) {
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108 | struct s_client * client = (struct s_client *) cli;
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109 | client->thread=pthread_self();
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110 | pthread_setspecific(getclient, cli);
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111 | dvbapi_client=cli;
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112 |
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113 | struct s_auth *account;
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114 | int32_t ok = 0;
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115 | for (account = cfg.account; account; account=account->next) {
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116 | if ((ok = streq(cfg.dvbapi_usr, account->usr)))
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117 | break;
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118 | }
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119 | cs_auth_client(client, ok ? account : (struct s_auth *)(-1), "dvbapi");
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120 |
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121 | dvbapi_read_priority();
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122 |
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123 | openxcas_msg_t msg;
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124 | int32_t ret;
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125 | while ((ret = openxcas_get_message(&msg, 0)) >= 0) {
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126 | cs_sleepms(10);
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127 |
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128 | if (ret) {
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129 | openxcas_stream_id = msg.stream_id;
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130 | openxcas_seq = msg.sequence;
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131 |
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132 | switch(msg.cmd) {
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133 | case OPENXCAS_SELECT_CHANNEL:
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134 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_SELECT_CHANNEL");
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135 |
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136 | // parse channel info
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137 | struct stOpenXCASChannel chan;
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138 | memcpy(&chan, msg.buf, msg.buf_len);
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139 |
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140 | cs_log(LOG_PREFIX "channel change: sid = %x, vpid = %x. apid = %x", chan.service_id, chan.v_pid, chan.a_pid);
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141 |
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142 | openxcas_video_pid = chan.v_pid;
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143 | openxcas_audio_pid = chan.a_pid;
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144 | openxcas_data_pid = chan.d_pid;
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145 | break;
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146 | case OPENXCAS_START_PMT_ECM:
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147 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_START_PMT_ECM");
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148 |
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149 | // parse pmt
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150 | uchar *dest;
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151 | if (!cs_malloc(&dest, msg.buf_len + 7 - 12 - 4))
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152 | break;
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153 |
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154 | memcpy(dest, "\x00\xFF\xFF\x00\x00\x13\x00", 7);
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155 |
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156 | dest[1] = msg.buf[3];
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157 | dest[2] = msg.buf[4];
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158 | dest[5] = msg.buf[11]+1;
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159 |
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160 | memcpy(dest + 7, msg.buf + 12, msg.buf_len - 12 - 4);
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161 |
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162 | dvbapi_parse_capmt(dest, 7 + msg.buf_len - 12 - 4, -1, NULL);
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163 | free(dest);
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164 |
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165 | unsigned char mask[12];
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166 | unsigned char comp[12];
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167 | memset(&mask, 0x00, sizeof(mask));
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168 | memset(&comp, 0x00, sizeof(comp));
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169 |
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170 | mask[0] = 0xfe;
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171 | comp[0] = 0x80;
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172 |
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173 | if ((ret = openxcas_add_filter(msg.stream_id, OPENXCAS_FILTER_ECM, 0, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback)) < 0)
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174 | cs_log(LOG_PREFIX "unable to add ecm filter");
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175 | else
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176 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, 0);
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177 |
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178 | if (openxcas_start_filter(msg.stream_id, msg.sequence, OPENXCAS_FILTER_ECM) < 0)
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179 | cs_log(LOG_PREFIX "unable to start ecm filter");
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180 | else
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181 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm filter started");
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182 |
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183 | if (!openxcas_create_cipher_ex(msg.stream_id, openxcas_seq, 0, openxcas_ecm_pid, openxcas_video_pid, 0xffff, openxcas_audio_pid, 0xffff, 0xffff, 0xffff))
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184 | cs_log(LOG_PREFIX "failed to create cipher ex");
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185 | else
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186 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "cipher created");
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187 | break;
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188 | case OPENXCAS_STOP_PMT_ECM:
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189 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_STOP_PMT_ECM");
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190 | openxcas_stop_filter(msg.stream_id, OPENXCAS_FILTER_ECM);
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191 | openxcas_remove_filter(msg.stream_id, OPENXCAS_FILTER_ECM);
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192 | openxcas_stop_filter_ex(msg.stream_id, msg.sequence, openxcas_filter_idx);
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193 | openxcas_destory_cipher_ex(msg.stream_id, msg.sequence);
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194 | memset(&demux, 0, sizeof(demux));
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195 | break;
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196 | case OPENXCAS_ECM_CALLBACK:
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197 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_ECM_CALLBACK");
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198 | struct stOpenXCAS_Data data;
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199 | memcpy(&data, msg.buf, msg.buf_len);
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200 | if (!openxcas_busy)
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201 | openxcas_filter_callback(msg.stream_id, msg.sequence, OPENXCAS_FILTER_ECM, &data);
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202 | break;
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203 | case OPENXCAS_PID_FILTER_CALLBACK:
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204 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_PID_FILTER_CALLBACK");
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205 | openxcas_filter_callback_ex(msg.stream_id, msg.sequence, (struct stOpenXCAS_Data *)msg.buf);
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206 | break;
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207 | case OPENXCAS_QUIT:
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208 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_QUIT");
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209 | openxcas_close();
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210 | cs_log(LOG_PREFIX "exited");
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211 | return NULL;
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212 | break;
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213 | case OPENXCAS_UKNOWN_MSG:
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214 | default:
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215 | cs_debug_mask(D_DVBAPI, LOG_PREFIX_MSG "OPENXCAS_UKNOWN_MSG (%d)", msg.cmd);
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216 | //cs_ddump_mask(D_DVBAPI, &msg, sizeof(msg), "msg dump:");
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217 | break;
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218 | }
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219 | }
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220 | }
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221 | cs_log(LOG_PREFIX "invalid message");
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222 | return NULL;
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223 | }
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224 |
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225 | void azbox_send_dcw(struct s_client *client, ECM_REQUEST *er) {
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226 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "send_dcw");
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227 |
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228 | FILE *ecmtxt;
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229 | if ((ecmtxt = fopen(ECMINFO_FILE, "w"))) {
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230 | char tmp[25];
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231 | if(er->rc <= E_CACHEEX) {
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232 | fprintf(ecmtxt, "caid: 0x%04X\npid: 0x%04X\nprov: 0x%06X\n", er->caid, er->pid, (uint) er->prid);
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233 | fprintf(ecmtxt, "reader: %s\n", er->selected_reader->label);
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234 | if (is_cascading_reader(er->selected_reader))
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235 | fprintf(ecmtxt, "from: %s\n", er->selected_reader->device);
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236 | else
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237 | fprintf(ecmtxt, "from: local\n");
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238 | fprintf(ecmtxt, "protocol: %s\n", reader_get_type_desc(er->selected_reader, 1));
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239 | fprintf(ecmtxt, "hops: %d\n", er->selected_reader->currenthops);
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240 | fprintf(ecmtxt, "ecm time: %.3f\n", (float) client->cwlastresptime/1000);
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241 | fprintf(ecmtxt, "cw0: %s\n", cs_hexdump(1,demux[0].lastcw[0],8, tmp, sizeof(tmp)));
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242 | fprintf(ecmtxt, "cw1: %s\n", cs_hexdump(1,demux[0].lastcw[1],8, tmp, sizeof(tmp)));
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243 | fclose(ecmtxt);
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244 | ecmtxt = NULL;
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245 | } else {
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246 | fprintf(ecmtxt, "ECM information not found\n");
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247 | fclose(ecmtxt);
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248 | }
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249 | }
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250 |
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251 | openxcas_busy = 0;
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252 |
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253 | int32_t i;
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254 | for (i=0; i < MAX_DEMUX; i++) {
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255 | if (er->rc >= E_NOTFOUND) {
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256 | cs_debug_mask(D_DVBAPI, "cw not found");
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257 |
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258 | if (demux[i].pidindex==-1)
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259 | dvbapi_try_next_caid(i);
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260 |
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261 | openxcas_stop_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
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262 | openxcas_remove_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
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263 |
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264 | unsigned char mask[12];
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265 | unsigned char comp[12];
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266 | memset(&mask, 0x00, sizeof(mask));
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267 | memset(&comp, 0x00, sizeof(comp));
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268 |
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269 | mask[0] = 0xfe;
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270 | comp[0] = 0x80;
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271 |
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272 | if (openxcas_add_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM, 0, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback) < 0) {
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273 | cs_log(LOG_PREFIX "unable to add ecm filter (0)");
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274 | if (openxcas_add_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM, openxcas_caid, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback) < 0)
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275 | cs_log(LOG_PREFIX "unable to add ecm filter (%04x)", openxcas_caid);
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276 | else
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277 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, openxcas_caid);
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278 | } else
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279 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, 0);
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280 |
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281 | if (openxcas_start_filter(openxcas_stream_id, openxcas_seq, OPENXCAS_FILTER_ECM) < 0)
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282 | cs_log(LOG_PREFIX "unable to start ecm filter");
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283 | else
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284 | cs_debug_mask(D_DVBAPI, LOG_PREFIX "ecm filter started");
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285 |
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286 | return;
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287 | }
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288 | }
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289 |
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290 | unsigned char nullcw[8];
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291 | memset(nullcw, 0, 8);
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292 |
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293 | int32_t n;
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294 | for (n=0;n<2;n++) {
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295 | if (memcmp(er->cw + (n * 8), demux[0].lastcw[n], 8) && memcmp(er->cw + (n * 8), nullcw, 8)) {
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296 | memcpy(demux[0].lastcw[n], er->cw + (n * 8), 8);
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297 | memcpy(openxcas_cw + (n * 8), er->cw + (n * 8), 8);
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298 | }
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299 | }
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300 |
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301 | if (openxcas_set_key(openxcas_stream_id, openxcas_seq, 0, openxcas_cipher_idx, openxcas_cw, openxcas_cw + 8) != 1)
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302 | cs_log(LOG_PREFIX "set cw failed");
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303 | else
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304 | cs_ddump_mask(D_DVBAPI, openxcas_cw, 16, LOG_PREFIX "write cws to descrambler");
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305 | }
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306 |
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307 | #ifdef WITH_CARDREADER
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308 | #define __openxcas_open openxcas_open_with_smartcard
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309 | #else
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310 | #define __openxcas_open openxcas_open
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311 | #endif
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312 |
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313 | void azbox_init(void) {
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314 | openxcas_debug_message_onoff(1); // debug
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315 | if (__openxcas_open("oscamCAS") < 0)
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316 | cs_log(LOG_PREFIX "could not init");
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317 | }
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318 |
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319 | void azbox_close(void) {
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320 | if (openxcas_close() < 0)
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321 | cs_log(LOG_PREFIX "could not close");
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322 | }
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323 |
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324 | #endif
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