[7504] | 1 | #include "globals.h"
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[8467] | 2 |
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| 3 | #ifdef IRDETO_GUESSING
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[7504] | 4 | #include "module-ird-guess.h"
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[7585] | 5 | #include "oscam-string.h"
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[8467] | 6 | #include "oscam-conf.h"
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[7504] | 7 |
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[8467] | 8 | struct s_irdeto_quess {
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| 9 | int32_t b47;
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| 10 | uint16_t caid;
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| 11 | uint16_t sid;
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| 12 | struct s_irdeto_quess *next;
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| 13 | };
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[7504] | 14 |
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[8467] | 15 | static struct s_irdeto_quess *itab[0xff];
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[7504] | 16 |
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| 17 | int32_t init_irdeto_guess_tab(void)
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| 18 | {
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[8467] | 19 | FILE *fp = open_config_file("oscam.ird");
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[7504] | 20 | if (!fp)
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| 21 | return 1;
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| 22 |
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| 23 | int32_t i, j, skip;
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| 24 | int32_t b47;
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| 25 | char token[128], *ptr, *saveptr1 = NULL;
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| 26 | char zSid[5];
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| 27 | uchar b3;
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| 28 | uint16_t caid, sid;
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| 29 | struct s_irdeto_quess *ird_row, *head;
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| 30 |
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| 31 | while (fgets(token, sizeof(token), fp))
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| 32 | {
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| 33 | if( strlen(token)<20 ) continue;
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| 34 | for( i=b3=b47=caid=sid=skip=0, ptr=strtok_r(token, ":", &saveptr1); (i<4)&&(ptr); ptr=strtok_r(NULL, ":", &saveptr1), i++ )
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| 35 | {
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| 36 | trim(ptr);
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| 37 | if( *ptr==';' || *ptr=='#' || *ptr=='-' ) {
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| 38 | skip=1;
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| 39 | break;
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| 40 | }
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| 41 | switch(i)
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| 42 | {
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| 43 | case 0: b3 = a2i(ptr, 2); break;
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| 44 | case 1: b47 = a2i(ptr, 8); break;
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| 45 | case 2: caid = a2i(ptr, 4); break;
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| 46 | case 3:
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| 47 | for( j=0; j<4; j++ )
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| 48 | zSid[j]=ptr[j];
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| 49 | zSid[4]=0;
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| 50 | sid = a2i(zSid, 4);
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| 51 | break;
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| 52 | }
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| 53 | }
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| 54 | if( !skip )
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| 55 | {
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[7600] | 56 | if (!cs_malloc(&ird_row, sizeof(struct s_irdeto_quess))) {
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[7504] | 57 | fclose(fp);
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| 58 | return(1);
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| 59 | }
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| 60 | ird_row->b47 = b47;
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| 61 | ird_row->caid = caid;
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| 62 | ird_row->sid = sid;
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| 63 |
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[8467] | 64 | head = itab[b3];
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[7504] | 65 | if( head ) {
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| 66 | while( head->next )
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| 67 | head=head->next;
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| 68 | head->next=ird_row;
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| 69 | }
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| 70 | else
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[8467] | 71 | itab[b3]=ird_row;
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[7504] | 72 | //cs_debug_mask(D_CLIENT, "%02X:%08X:%04X:%04X", b3, b47, caid, sid);
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| 73 | }
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| 74 | }
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| 75 | fclose(fp);
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| 76 |
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| 77 | for( i=0; i<0xff; i++ )
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| 78 | {
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[8467] | 79 | head=itab[i];
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[7504] | 80 | while(head)
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| 81 | {
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| 82 | cs_debug_mask(D_CLIENT, "itab[%02X]: b47=%08X, caid=%04X, sid=%04X",
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| 83 | i, head->b47, head->caid, head->sid);
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| 84 | head=head->next;
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| 85 | }
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| 86 | }
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| 87 | return(0);
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| 88 | }
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| 89 |
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[8467] | 90 | void free_irdeto_guess_tab(void)
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| 91 | {
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| 92 | uint8_t i;
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| 93 | for (i = 0; i < 0xff; i++)
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| 94 | {
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| 95 | struct s_irdeto_quess *head = itab[i];
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| 96 | while(head)
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| 97 | {
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| 98 | void *next = head->next;
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| 99 | free(head);
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| 100 | head = next;
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| 101 | }
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| 102 | }
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| 103 | }
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| 104 |
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[7504] | 105 | void guess_irdeto(ECM_REQUEST *er)
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| 106 | {
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| 107 | uchar b3;
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| 108 | int32_t b47;
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| 109 | //uint16_t chid;
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| 110 | struct s_irdeto_quess *ptr;
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| 111 |
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| 112 | b3 = er->ecm[3];
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[8467] | 113 | ptr = itab[b3];
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[7504] | 114 | if( !ptr ) {
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| 115 | cs_debug_mask(D_TRACE, "unknown irdeto byte 3: %02X", b3);
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| 116 | return;
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| 117 | }
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| 118 | b47 = b2i(4, er->ecm+4);
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| 119 | //chid = b2i(2, er->ecm+6);
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| 120 | //cs_debug_mask(D_TRACE, "ecm: b47=%08X, ptr->b47=%08X, ptr->caid=%04X", b47, ptr->b47, ptr->caid);
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| 121 | while( ptr )
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| 122 | {
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| 123 | if( b47==ptr->b47 )
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| 124 | {
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| 125 | if( er->srvid && (er->srvid!=ptr->sid) )
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| 126 | {
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| 127 | cs_debug_mask(D_TRACE, "sid mismatched (ecm: %04X, guess: %04X), wrong oscam.ird file?",
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| 128 | er->srvid, ptr->sid);
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| 129 | return;
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| 130 | }
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| 131 | er->caid=ptr->caid;
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| 132 | er->srvid=ptr->sid;
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| 133 | er->chid=(uint16_t)ptr->b47;
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| 134 | // cs_debug_mask(D_TRACE, "quess_irdeto() found caid=%04X, sid=%04X, chid=%04X",
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| 135 | // er->caid, er->srvid, er->chid);
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| 136 | return;
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| 137 | }
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| 138 | ptr=ptr->next;
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| 139 | }
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| 140 | }
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| 141 |
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| 142 | #endif
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